diff --git a/krita/krita4.xmlgui b/krita/krita4.xmlgui
index b933f80cf4..df171ba6b4 100644
--- a/krita/krita4.xmlgui
+++ b/krita/krita4.xmlgui
@@ -1,386 +1,388 @@
 <?xml version="1.0"?>
 <kpartgui xmlns="http://www.kde.org/standards/kxmlgui/1.0"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 name="Krita"
 version="401"
 xsi:schemaLocation="http://www.kde.org/standards/kxmlgui/1.0  http://www.kde.org/standards/kxmlgui/1.0/kxmlgui.xsd">
   <MenuBar>
     <Menu name="file">
       <text>&amp;File</text>
       <Action name="file_new"/>
       <Action name="file_open"/>
       <Action name="file_open_recent"/>
       <Separator/>
       <Action name="file_save"/>
       <Action name="file_save_as"/>
       <Action name="file_reload_file"/>
       <Separator/>
+      <Action name="file_sessions"/>
+      <Separator/>
       <Action name="file_import_file"/>
       <Action name="file_export_file"/>
       <Separator/>
       <Action name="file_export_pdf"/>
       <Separator/>
       <Action name="file_import_animation"/>
       <Action name="render_animation"/>
       <Separator/>
       <Action name="save_incremental_version"/>
       <Action name="save_incremental_backup"/>
       <Separator/>
       <Action name="create_template"/>
       <Action name="create_copy"/>
       <!--Separator/>
       <Action name="file_print"/>
       <Action name="file_print_preview"/-->
       <Separator/>
       <Action name="file_documentinfo"/>
       <Separator/>
       <Action name="file_close"/>
       <Action name="file_close_all"/>
       <Action name="file_quit"/>
     </Menu>
     <Menu name="edit">
       <text>&amp;Edit</text>
       <Action name="edit_undo"/>
       <Action name="edit_redo"/>
       <Separator/>
       <Action name="edit_cut"/>
       <Action name="edit_copy"/>
       <Action name="cut_sharp"/>
       <Action name="copy_sharp"/>
       <Action name="copy_merged"/>
       <Action name="edit_paste"/>
       <Action name="paste_at"/>
       <Action name="paste_new"/>
       <Action name="clear"/>
       <Action name="fill_selection_foreground_color"/>
       <Action name="fill_selection_background_color"/>
       <Action name="fill_selection_pattern"/>
       <Menu name="fill_special">
         <text>Fill Special</text>
         <Action name="fill_selection_foreground_color_opacity"/>
         <Action name="fill_selection_background_color_opacity"/>
         <Action name="fill_selection_pattern_opacity"/>
       </Menu>
       <Action name="stroke_shapes"/>
       <Action name="stroke_selection"/>
       <Action name="delete"/>
       <Separator/>
       <Action name="revert"/>
     </Menu>
     <Menu name="view">
       <text>&amp;View</text>
       <Action name="view_show_canvas_only"/>
       <Action name="fullscreen"/>
       <Action name="wrap_around_mode"/>
       <Action name="level_of_detail_mode"/>
       <Action name="softProof"/>
       <Action name="gamutCheck"/>
       <Separator/>
       <Menu name="Canvas">
           <text>&amp;Canvas</text>
           <Action name="mirror_canvas"/>
           <Separator/>
           <Action name="zoom_to_100pct" />
           <Action name="rotate_canvas_right" />
           <Action name="rotate_canvas_left" />
           <Action name="reset_canvas_rotation" />
           <!-- TODO: Something is not right with the way zoom actions are hooked up. These are in the KoZoomController.
                It seems they are not being properly placed in the view manager since the MDI changes were implemented
           -->
           <Action name="view_zoom_in"/>
           <Action name="view_zoom_out"/>
       </Menu>
       <!-- TODO: None of these actions are showing. There names must have been changed to something with the MDI changes?...
       <Action name="actual_pixels"/>
       <Action name="actual_size"/>
       <Action name="fit_to_canvas"/>
       -->
 
       <Separator/>
       <Action name="view_ruler"/>
       <Action name="rulers_track_mouse"/>
       <Action name="view_show_guides"/>
       <Action name="view_lock_guides"/>
       <Action name="showStatusBar" />
       <Separator/>
       <Action name="view_grid"/>
       <Action name="view_pixel_grid"/>
 
 
       <Separator/>
       <Menu name="SnapTo">
         <text>&amp;Snap To</text>
         <Action name="view_snap_to_guides"/>
             <Action name="view_snap_to_grid"/>
           <Action name="view_snap_orthogonal" />
             <Action name="view_snap_node" />
             <Action name="view_snap_extension" />
             <Action name="view_snap_intersection" />
             <Action name="view_snap_bounding_box" />
             <Action name="view_snap_image_bounds" />
              <Action name="view_snap_image_center" />
       </Menu>
       <Separator/>
 
       <Action name="view_toggle_painting_assistants"/>
       <Action name="view_toggle_assistant_previews"/>
       <Separator/>
       <Action name="view_palette_action_menu"/>
       <Separator/>
       <Action name="refresh_canvas"/>
     </Menu>
     <Menu name="Image">
       <text>&amp;Image</text>
       <Action name="image_properties"/>
       <Action name="image_color"/>
       <Action name="imagecolorspaceconversion"/>
       <Action name="duplicate_image"/>
       <Separator/>
       <Action name="trim_to_image"/>
       <Action name="resizeimagetolayer"/>
       <Action name="resizeimagetoselection"/>
       <Separator/>
       <Menu name="Rotate">
         <text>&amp;Rotate</text>
         <Action name="rotateimage"/>
         <Separator/>
         <Action name="rotateImageCW90"/>
         <Action name="rotateImageCCW90"/>
         <Action name="rotateImage180"/>
       </Menu>
       <Action name="shearimage"/>
       <Separator/>
       <Action name="mirrorImageHorizontal"/>
       <Action name="mirrorImageVertical"/>
       <Separator/>
       <Action name="imagesize"/>
       <Action name="offsetimage"/>
       <Action name="imageresolution"/>
       <Action name="canvassize"/>
       <Separator/>
       <Action name="imagesplit"/>
       <Action name="waveletdecompose"/>
       <Action name="separate"/>
     </Menu>
     <Menu name="Layer">
       <text>&amp;Layer</text>
       <Action name="cut_layer_clipboard"/>
       <Action name="copy_layer_clipboard"/>
       <Action name="paste_layer_from_clipboard"/>
       <Separator/>
       <Menu name="LayerNew">
         <text>New</text>
         <Action name="add_new_paint_layer"/>
         <Action name="new_from_visible"/>
         <Action name="duplicatelayer"/>
         <Separator/>
         <Action name="cut_selection_to_new_layer"/>
         <Action name="copy_selection_to_new_layer"/>
       </Menu>
       <Menu name="LayerImportExport">
         <text>&amp;Import/Export</text>
         <Action name="save_node_as_image"/>
         <Action name="save_vector_node_to_svg"/>
         <Action name="save_groups_as_images"/>
         <Separator/>
         <Action name="import_layer_from_file"/>
         <Menu name="LayerImportAs">
           <text>Import</text>
           <Action name="import_layer_as_paint_layer"/>
           <Action name="import_layer_as_transparency_mask"/>
           <Action name="import_layer_as_filter_mask"/>
           <Action name="import_layer_as_selection_mask"/>
         </Menu>
       </Menu>
       <Menu name="LayerConvert">
         <text>&amp;Convert</text>
         <Action name="convert_to_paint_layer"/>
         <Action name="convert_to_transparency_mask"/>
         <Action name="convert_to_filter_mask"/>
         <Action name="convert_to_selection_mask"/>
         <Action name="convert_layer_to_file_layer"/>
         <Action name="convert_group_to_animated"/>
         <Action name="layercolorspaceconversion"/>
       </Menu>
       <Separator/>
       <Menu name="LayerSelect">
         <text>&amp;Select</text>
         <Action name="select_all_layers"/>
         <Action name="select_visible_layers"/>
         <Action name="select_invisible_layers"/>
         <Action name="select_locked_layers"/>
         <Action name="select_unlocked_layers"/>
       </Menu>
       <Menu name="LayerGroup">
          <text>&amp;Group</text>
          <Action name="create_quick_group"/>
          <Action name="create_quick_clipping_group"/>
          <Action name="quick_ungroup"/>
       </Menu>
       <Menu name="LayerTransform">
          <text>&amp;Transform</text>
          <Action name="mirrorNodeX"/>
          <Action name="mirrorNodeY"/>
          <Action name="layersize"/>
          <Menu name="Rotate">
              <text>&amp;Rotate</text>
              <Action name="rotatelayer"/>
              <Separator/>
              <Action name="rotateLayerCW90"/>
              <Action name="rotateLayerCCW90"/>
              <Action name="rotateLayer180"/>
          </Menu>
          <Action name="shearlayer"/>
          <Action name="offsetlayer"/>
       </Menu>
       <Menu name="LayerSplitAlpha">
          <text>S&amp;plit</text>
          <Menu name="LayerSplitAlpha">
              <text>S&amp;plit Alpha</text>
              <Action name="split_alpha_into_mask"/>
              <Action name="split_alpha_write"/>
              <Action name="split_alpha_save_merged"/>
          </Menu>
          <Action name="layersplit"/>
          <Action name="clones_array"/>
       </Menu>
 
       <Separator/>
       <Action name="EditLayerMetaData"/>
       <Action name="histogram"/>
       <Separator/>
       <Action name="merge_layer"/>
       <Action name="flatten_layer"/>
       <Action name="rasterize_layer"/>
       <Action name="merge_all_shape_layers"/>
       <Action name="flatten_image"/>
       <Action name="merge_selected_layers"/>
       <Separator/>
       <Action name="layer_style"/>
 
     </Menu>
     <Menu name="Select">
       <text>&amp;Select</text>
       <Action name="select_all"/>
       <Action name="deselect"/>
       <Action name="reselect"/>
       <Action name="invert"/>
       <Action name="convert_to_vector_selection"/>
       <Action name="convert_shapes_to_vector_selection"/>
       <Action name="convert_selection_to_shape"/>
       <Separator/>
       <Action name="feather"/>
       <Action name="similar"/>
       <Separator/>
       <Action name="toggle_display_selection"/>
       <Action name="show-global-selection-mask"/>
       <Action name="selectionscale"/>
       <Separator/>
       <Action name="colorrange"/>
       <Action name="selectopaque"/>
       <Separator/>
       <Action name="featherselection"/>
       <Action name="growselection"/>
       <Action name="shrinkselection"/>
       <Action name="borderselection"/>
       <Action name="smoothselection"/>
     </Menu>
     <Menu name="Filter">
       <text>Filte&amp;r</text>
       <Action name="filter_apply_again"/>
       <Action name="filter_gallery"/>
       <Separator/>
       <Action name="adjust_filters"/>
       <Action name="artistic_filters"/>
       <Action name="blur_filters"/>
       <Action name="color_filters"/>
       <Action name="decor_filters"/>
       <Action name="edge_filters"/>
       <Action name="enhance_filters"/>
       <Action name="emboss_filters"/>
       <Action name="map_filters"/>
       <Action name="nonphotorealistic_filters"/>
       <Action name="other_filters"/>
       <Separator/>
       <Action name="QMic"/>
       <Action name="QMicAgain"/>
     </Menu>
     <Menu name="tools">
       <text>&amp;Tools</text>
       <Action name="scripts"/>
       <Menu name="Recording">
         <text>Recording</text>
         <Action name="Recording_Start_Recording_Macro"/>
         <Action name="Recording_Stop_Recording_Macro"/>
       </Menu>
       <Menu name="Macros">
         <text>Macros</text>
         <Action name="Macro_Open_Play"/>
         <Action name="Macro_Open_Edit"/>
       </Menu>
     </Menu>
     <Menu name="settings">
       <text>Setti&amp;ngs</text>
       <Action name="options_configure"/>
       <Action name="manage_bundles"/>
       <Separator/>
       <Action name="options_configure_toolbars"/>
       <Merge name="StandardToolBarMenuHandler" />
       <Separator/>
       <Action name="view_toggledockers"/>
       <Action name="view_toggledockertitlebars"/>
       <Action name="settings_dockers_menu"/>
       <Separator/>
       <Action name="theme_menu"/>
       <Separator/>
       <!-- `Configure Shortcuts` was moved into main configuration menu -->
       <!-- <Action name="options_configure_keybinding"/> -->
       <Separator/>
       <Action name="switch_application_language"/>
       <Action name="settings_active_author"/>
       <Separator/>
     </Menu>
     <Action name="window"/>
     <Separator/>
     <Menu name="help">
       <text>&amp;Help</text>
       <Action name="help_contents"/>
       <Action name="help_whats_this"/>
       <Separator/>
       <MergeLocal/>
       <Action name="help_show_tip"/>
       <Separator/>
       <Action name="help_report_bug"/>
       <Action name="buginfo"/>
       <Separator/>
       <Action name="help_about_app"/>
       <Action name="help_about_kde"/>
     </Menu>
   </MenuBar>
   <ToolBar name="mainToolBar" fullWidth="false" noMerge="1">
     <Text>File</Text>
     <Action name="file_new"/>
     <Action name="file_open"/>
     <Action name="file_save"/>
     <Separator/>
     <Action name="edit_undo"/>
     <Action name="edit_redo"/>
   </ToolBar>
   <ToolBar name="BrushesAndStuff" position="top">
     <Text>Brushes and Stuff</Text>
     <Action name="gradients"/>
     <Action name="patterns"/>
     <Separator/>
     <Action name="dual"/>
     <Separator/>
     <Action name="paintops"/>
     <Action name="paintop_options"/>
     <Action name="composite_actions"/>
     <Action name="brushslider1"/>
     <Action name="brushslider2"/>
     <Separator/>
     <Action name="mirror_actions"/>
     <Action name="expanding_spacer_1"/>
     <Action name="workspaces"/>
   </ToolBar>
 </kpartgui>
diff --git a/krita/kritamenu.action b/krita/kritamenu.action
index 651b3d5a0e..b2b673594e 100644
--- a/krita/kritamenu.action
+++ b/krita/kritamenu.action
@@ -1,1795 +1,1808 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ActionCollection version="2" name="Menu">
   <Actions category="File">
     <text>File</text>
     <Action name="file_new">
       <icon>document-new</icon>
       <text>&amp;New</text>
       <whatsThis></whatsThis>
       <toolTip>Create new document</toolTip>
       <iconText>New</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+N</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_open">
       <icon>document-open</icon>
       <text>&amp;Open...</text>
       <whatsThis></whatsThis>
       <toolTip>Open an existing document</toolTip>
       <iconText>Open</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+O</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_open_recent">
       <icon>document-open-recent</icon>
       <text>Open &amp;Recent</text>
       <whatsThis></whatsThis>
       <toolTip>Open a document which was recently opened</toolTip>
       <iconText>Open Recent</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_save">
       <icon>document-save</icon>
       <text>&amp;Save</text>
       <whatsThis></whatsThis>
       <toolTip>Save</toolTip>
       <iconText>Save</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+S</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_save_as">
       <icon>document-save-as</icon>
       <text>Save &amp;As...</text>
       <whatsThis></whatsThis>
       <toolTip>Save document under a new name</toolTip>
       <iconText>Save As</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+S</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
 <!-- commented out in the code right now
     <Action name="file_reload_file">
       <icon></icon>
       <text>Reload</text>
       <whatsThis></whatsThis>
       <toolTip>Reload</toolTip>
       <iconText>Reload</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
 -->
+    <Action name="file_sessions">
+      <icon></icon>
+      <text>Sessions...</text>
+      <whatsThis></whatsThis>
+      <toolTip>Open session manager</toolTip>
+      <iconText>Sessions</iconText>
+      <activationFlags>0</activationFlags>
+      <activationConditions>0</activationConditions>
+      <shortcut></shortcut>
+      <isCheckable>false</isCheckable>
+      <statusTip></statusTip>
+    </Action>
+
     <Action name="file_import_file">
       <icon>document-import</icon>
       <text>Open ex&amp;isting Document as Untitled Document...</text>
       <whatsThis></whatsThis>
       <toolTip>Open existing Document as Untitled Document</toolTip>
       <iconText>Open existing Document as Untitled Document</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_export_file">
       <icon>document-export</icon>
       <text>E&amp;xport...</text>
       <whatsThis></whatsThis>
       <toolTip>Export</toolTip>
       <iconText>Export</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_export_pdf">
       <icon>application-pdf</icon>
       <text>&amp;Export as PDF...</text>
       <whatsThis></whatsThis>
       <toolTip>Export as PDF</toolTip>
       <iconText>Export as PDF</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_import_animation">
       <icon></icon>
       <text>Import animation frames...</text>
       <whatsThis></whatsThis>
       <toolTip>Import animation frames</toolTip>
       <iconText>Import animation frames</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="render_animation">
       <icon></icon>
       <text>&amp;Render Animation...</text>
       <whatsThis></whatsThis>
       <toolTip>Render Animation to GIF, Image Sequence or Video</toolTip>
       <iconText>Render Animation</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
       <Action name="render_image_sequence_again">
       <icon></icon>
       <text>&amp;Render Image Sequence Again</text>
       <whatsThis></whatsThis>
       <toolTip>Render Animation to Image Sequence Again</toolTip>
       <iconText>Render Animation</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>    
     <Action name="save_incremental_version">
       <icon></icon>
       <text>Save Incremental &amp;Version</text>
       <whatsThis></whatsThis>
       <toolTip>Save Incremental Version</toolTip>
       <iconText>Save Incremental Version</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Alt+S</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="save_incremental_backup">
       <icon></icon>
       <text>Save Incremental &amp;Backup</text>
       <whatsThis></whatsThis>
       <toolTip>Save Incremental Backup</toolTip>
       <iconText>Save Incremental Backup</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>F4</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="create_template">
       <icon></icon>
       <text>&amp;Create Template From Image...</text>
       <whatsThis></whatsThis>
       <toolTip>Create Template From Image</toolTip>
       <iconText>Create Template From Image</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="create_copy">
       <icon></icon>
       <text>Create Copy &amp;From Current Image</text>
       <whatsThis></whatsThis>
       <toolTip>Create Copy From Current Image</toolTip>
       <iconText>Create Copy From Current Image</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_print">
       <icon>document-print</icon>
       <text>&amp;Print...</text>
       <whatsThis></whatsThis>
       <toolTip>Print document</toolTip>
       <iconText>Print</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+P</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_print_preview">
       <icon>document-print-preview</icon>
       <text>Print Previe&amp;w</text>
       <whatsThis></whatsThis>
       <toolTip>Show a print preview of document</toolTip>
       <iconText>Print Preview</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_documentinfo">
       <icon>configure</icon>
       <text>&amp;Document Information</text>
       <whatsThis></whatsThis>
       <toolTip>Document Information</toolTip>
       <iconText>Document Information</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_close_all">
       <icon></icon>
       <text>&amp;Close All</text>
       <whatsThis></whatsThis>
       <toolTip>Close All</toolTip>
       <iconText>Close All</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+W</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_close">
       <icon></icon>
       <text>C&amp;lose</text>
       <whatsThis></whatsThis>
       <toolTip>Close</toolTip>
       <iconText>Close</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="file_quit">
       <icon></icon>
       <text>&amp;Quit</text>
       <whatsThis></whatsThis>
       <toolTip>Quit application</toolTip>
       <iconText>Quit</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Q</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="Edit">
     <text>Edit</text>
     <Action name="edit_undo">
       <icon>edit-undo</icon>
       <text>Undo</text>
       <whatsThis></whatsThis>
       <toolTip>Undo last action</toolTip>
       <iconText>Undo</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Z</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="edit_redo">
       <icon>edit-redo</icon>
       <text>Redo</text>
       <whatsThis></whatsThis>
       <toolTip>Redo last undone action</toolTip>
       <iconText>Redo</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+Z</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="edit_cut">
       <icon>edit-cut</icon>
       <text>Cu&amp;t</text>
       <whatsThis></whatsThis>
       <toolTip>Cut selection to clipboard</toolTip>
       <iconText>Cut</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+X</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="edit_copy">
       <icon>edit-copy</icon>
       <text>&amp;Copy</text>
       <whatsThis></whatsThis>
       <toolTip>Copy selection to clipboard</toolTip>
       <iconText>Copy</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+C</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="copy_sharp">
       <icon></icon>
       <text>C&amp;opy (sharp)</text>
       <whatsThis></whatsThis>
       <toolTip>Copy (sharp)</toolTip>
       <iconText>Copy (sharp)</iconText>
       <activationFlags>100000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="cut_sharp">
       <icon></icon>
       <text>Cut (&amp;sharp)</text>
       <whatsThis></whatsThis>
       <toolTip>Cut (sharp)</toolTip>
       <iconText>Cut (sharp)</iconText>
       <activationFlags>100000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="copy_merged">
       <icon></icon>
       <text>Copy &amp;merged</text>
       <whatsThis></whatsThis>
       <toolTip>Copy merged</toolTip>
       <iconText>Copy merged</iconText>
       <activationFlags>100000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+C</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="edit_paste">
       <icon>edit-paste</icon>
       <text>&amp;Paste</text>
       <whatsThis></whatsThis>
       <toolTip>Paste clipboard content</toolTip>
       <iconText>Paste</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+V</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="paste_at">
       <icon></icon>
       <text>Paste at Cursor</text>
       <whatsThis></whatsThis>
       <toolTip>Paste at cursor</toolTip>
       <iconText>Paste at cursor</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Alt+V</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="paste_new">
       <icon></icon>
       <text>Paste into &amp;New Image</text>
       <whatsThis></whatsThis>
       <toolTip>Paste into New Image</toolTip>
       <iconText>Paste into New Image</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+N</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="clear">
       <icon>edit-clear</icon>
       <text>C&amp;lear</text>
       <whatsThis></whatsThis>
       <toolTip>Clear</toolTip>
       <iconText>Clear</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Del</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="fill_selection_foreground_color">
       <icon></icon>
       <text>&amp;Fill with Foreground Color</text>
       <whatsThis></whatsThis>
       <toolTip>Fill with Foreground Color</toolTip>
       <iconText>Fill with Foreground Color</iconText>
       <activationFlags>10000</activationFlags>
       <activationConditions>1</activationConditions>
       <shortcut>Shift+Backspace</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="fill_selection_background_color">
       <icon></icon>
       <text>Fill &amp;with Background Color</text>
       <whatsThis></whatsThis>
       <toolTip>Fill with Background Color</toolTip>
       <iconText>Fill with Background Color</iconText>
       <activationFlags>10000</activationFlags>
       <activationConditions>1</activationConditions>
       <shortcut>Backspace</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="fill_selection_pattern">
       <icon></icon>
       <text>F&amp;ill with Pattern</text>
       <whatsThis></whatsThis>
       <toolTip>Fill with Pattern</toolTip>
       <iconText>Fill with Pattern</iconText>
       <activationFlags>10000</activationFlags>
       <activationConditions>1</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Actions category="EditFill">
       <text>Fill Special</text>
        <Action name="fill_selection_foreground_color_opacity">
         <icon></icon>
         <text>Fill with Foreground Color (Opacity)</text>
         <whatsThis></whatsThis>
         <toolTip>Fill with Foreground Color (Opacity)</toolTip>
         <iconText>Fill with Foreground Color (Opacity)</iconText>
         <activationFlags>10000</activationFlags>
         <activationConditions>1</activationConditions>
         <shortcut>Ctrl+Shift+Backspace</shortcut>
         <isCheckable>false</isCheckable>
         <statusTip></statusTip>
       </Action>
       <Action name="fill_selection_background_color_opacity">
         <icon></icon>
         <text>Fill with Background Color (Opacity)</text>
         <whatsThis></whatsThis>
         <toolTip>Fill with Background Color (Opacity)</toolTip>
         <iconText>Fill with Background Color (Opacity)</iconText>
         <activationFlags>10000</activationFlags>
         <activationConditions>1</activationConditions>
         <shortcut>Ctrl+Backspace</shortcut>
         <isCheckable>false</isCheckable>
         <statusTip></statusTip>
       </Action>
       <Action name="fill_selection_pattern_opacity">
         <icon></icon>
         <text>Fill with Pattern (Opacity)</text>
         <whatsThis></whatsThis>
         <toolTip>Fill with Pattern (Opacity)</toolTip>
         <iconText>Fill with Pattern (Opacity)</iconText>
         <activationFlags>10000</activationFlags>
         <activationConditions>1</activationConditions>
         <shortcut></shortcut>
         <isCheckable>false</isCheckable>
         <statusTip></statusTip>
       </Action>
     </Actions>
     <Action name="stroke_shapes">
       <icon></icon>
       <text>Stro&amp;ke selected shapes</text>
       <whatsThis></whatsThis>
       <toolTip>Stroke selected shapes</toolTip>
       <iconText>Stroke selected shapes</iconText>
       <activationFlags>1000000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="stroke_selection">
       <icon></icon>
       <text>Stroke Selec&amp;tion...</text>
       <whatsThis></whatsThis>
       <toolTip>Stroke selection</toolTip>
       <iconText>Stroke selection</iconText>
       <activationFlags>10000000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="delete_keyframe">
       <icon></icon>
       <text>Delete keyframe</text>
       <whatsThis></whatsThis>
       <toolTip>Delete keyframe</toolTip>
       <iconText>Delete keyframe</iconText>
       <activationFlags>100000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="Window">
     <text>Window</text>
     <Action name="view_newwindow">
       <icon>window-new</icon>
       <text>&amp;New Window</text>
       <whatsThis></whatsThis>
       <toolTip>New Window</toolTip>
       <iconText>New Window</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="windows_next">
       <icon></icon>
       <text>N&amp;ext</text>
       <whatsThis></whatsThis>
       <toolTip>Next</toolTip>
       <iconText>Next</iconText>
       <activationFlags>10</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="windows_previous">
       <icon></icon>
       <text>Previous</text>
       <whatsThis></whatsThis>
       <toolTip>Previous</toolTip>
       <iconText>Previous</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="View">
     <text>View</text>
     <Action name="view_show_canvas_only">
       <icon></icon>
       <text>&amp;Show Canvas Only</text>
       <whatsThis></whatsThis>
       <toolTip>Show just the canvas or the whole window</toolTip>
       <iconText>Show Canvas Only</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Tab</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="fullscreen">
       <icon>view-fullscreen</icon>
       <text>F&amp;ull Screen Mode</text>
       <whatsThis></whatsThis>
       <toolTip>Display the window in full screen</toolTip>
       <iconText>Full Screen Mode</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+F</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="wrap_around_mode">
       <icon></icon>
       <text>&amp;Wrap Around Mode</text>
       <whatsThis></whatsThis>
       <toolTip>Wrap Around Mode</toolTip>
       <iconText>Wrap Around Mode</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>W</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="level_of_detail_mode">
       <icon></icon>
       <text>&amp;Instant Preview Mode</text>
       <whatsThis></whatsThis>
       <toolTip>Instant Preview Mode</toolTip>
       <iconText>Instant Preview Mode</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Shift+L</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="softProof">
       <icon></icon>
       <text>Soft Proofing</text>
       <whatsThis></whatsThis>
       <toolTip>Turns on Soft Proofing</toolTip>
       <iconText>Turns on Soft Proofing</iconText>
       <shortcut>Ctrl+Y</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="gamutCheck">
       <icon></icon>
       <text>Out of Gamut Warnings</text>
       <whatsThis></whatsThis>
       <toolTip>Turns on warnings for colors out of proofed gamut, needs soft proofing to be turned on.</toolTip>
       <iconText>Turns on warnings for colors out of proofed gamut, needs soft proofing to be turned on.</iconText>
       <shortcut>Ctrl+Shift+Y</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="mirror_canvas">
       <icon>mirror-view</icon>
       <text>Mirror View</text>
       <whatsThis></whatsThis>
       <toolTip>Mirror View</toolTip>
       <iconText>Mirror View</iconText>
       <shortcut>M</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="zoom_to_100pct">
       <icon>zoom-original</icon>
       <text>&amp;Reset zoom</text>
       <whatsThis></whatsThis>
       <toolTip>Reset zoom</toolTip>
       <iconText>Reset zoom</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+0</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_zoom_in">
       <icon>zoom-in</icon>
       <text>Zoom &amp;In</text>
       <whatsThis></whatsThis>
       <toolTip>Zoom In</toolTip>
       <iconText></iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl++</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_zoom_out">
       <icon>zoom-out</icon>
       <text>Zoom &amp;Out</text>
       <whatsThis></whatsThis>
       <toolTip>Zoom Out</toolTip>
       <iconText></iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+-</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="rotate_canvas_right">
       <icon>rotate-canvas-right</icon>
       <text>Rotate &amp;Canvas Right</text>
       <whatsThis></whatsThis>
       <toolTip>Rotate Canvas Right</toolTip>
       <iconText>Rotate Canvas Right</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+]</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="rotate_canvas_left">
       <icon>rotate-canvas-left</icon>
       <text>Rotate Canvas &amp;Left</text>
       <whatsThis></whatsThis>
       <toolTip>Rotate Canvas Left</toolTip>
       <iconText>Rotate Canvas Left</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+[</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="reset_canvas_rotation">
       <icon>rotation-reset</icon>
       <text>Reset Canvas Rotation</text>
       <whatsThis></whatsThis>
       <toolTip>Reset Canvas Rotation</toolTip>
       <iconText>Reset Canvas Rotation</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_ruler">
       <icon></icon>
       <text>Show &amp;Rulers</text>
       <whatsThis>The rulers show the horizontal and vertical positions of the mouse on the image and can be used to position your mouse at the right place on the canvas. &lt;p>Uncheck this to hide the rulers.&lt;/p></whatsThis>
       <toolTip>Show Rulers</toolTip>
       <iconText>Show Rulers</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="rulers_track_mouse">
       <icon></icon>
       <text>Rulers Track Pointer</text>
       <whatsThis>The rulers will track current mouse position and show it on screen. It can cause suptle performance slowdown</whatsThis>
       <toolTip>Rulers Track Pointer</toolTip>
       <iconText>Rulers Track Pointer</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_show_guides">
       <icon></icon>
       <text>Show Guides</text>
       <whatsThis></whatsThis>
       <toolTip>Show or hide guides</toolTip>
       <iconText>Show Guides</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_lock_guides">
       <icon></icon>
       <text>Lock Guides</text>
       <whatsThis></whatsThis>
       <toolTip>Lock or unlock guides</toolTip>
       <iconText>Lock Guides</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_snap_to_guides">
       <icon></icon>
       <text>Snap to Guides</text>
       <whatsThis></whatsThis>
       <toolTip>Snap cursor to guides position</toolTip>
       <iconText>Snap to Guides</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="showStatusBar">
       <icon></icon>
       <text>Show Status &amp;Bar</text>
       <whatsThis></whatsThis>
       <toolTip>Show or hide the status bar</toolTip>
       <iconText>Show Status Bar</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_pixel_grid">
       <icon></icon>
       <text>Show Pixel Grid</text>
       <whatsThis></whatsThis>
       <toolTip>Show Pixel Grid</toolTip>
       <iconText>Show Pixel Grid</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_grid">
       <icon>view-grid</icon>
       <text>Show &amp;Grid</text>
       <whatsThis></whatsThis>
       <toolTip>Show Grid</toolTip>
       <iconText>Show Grid</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+'</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_snap_to_grid">
       <icon></icon>
       <text>Snap To Grid</text>
       <whatsThis></whatsThis>
       <toolTip>Snap To Grid</toolTip>
       <iconText>Snap To Grid</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut>Ctrl+Shift+;</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="show_snap_options_popup">
       <icon></icon>
       <text>Show Snap Options Popup</text>
       <whatsThis></whatsThis>
       <toolTip>Show Snap Options Popup</toolTip>
       <iconText>Show Snap Options Popup</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut>Shift+s</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
 
     <Action name="view_snap_orthogonal">
       <icon></icon>
       <text>Snap Orthogonal</text>
       <whatsThis></whatsThis>
       <toolTip>Snap Orthogonal</toolTip>
       <iconText>Snap Orthogonal</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
 
     <Action name="view_snap_node">
       <icon></icon>
       <text>Snap Node</text>
       <whatsThis></whatsThis>
       <toolTip>Snap Node</toolTip>
       <iconText>Snap Node</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
 
     <Action name="view_snap_extension">
       <icon></icon>
       <text>Snap Extension</text>
       <whatsThis></whatsThis>
       <toolTip>Snap Extension</toolTip>
       <iconText>Snap Extension</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
 
     <Action name="view_snap_intersection">
       <icon></icon>
       <text>Snap Intersection</text>
       <whatsThis></whatsThis>
       <toolTip>Snap Intersection</toolTip>
       <iconText>Snap Intersection</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
 
     <Action name="view_snap_bounding_box">
       <icon></icon>
       <text>Snap Bounding Box</text>
       <whatsThis></whatsThis>
       <toolTip>Snap Bounding Box</toolTip>
       <iconText>Snap Bounding Box</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
 
     <Action name="view_snap_image_bounds">
       <icon></icon>
       <text>Snap Image Bounds</text>
       <whatsThis></whatsThis>
       <toolTip>Snap Image Bounds</toolTip>
       <iconText>Snap Image Bounds</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
 
     <Action name="view_snap_image_center">
       <icon></icon>
       <text>Snap Image Center</text>
       <whatsThis></whatsThis>
       <toolTip>Snap Image Center</toolTip>
       <iconText>Snap Image Center</iconText>
       <activationFlags>1000</activationFlags>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_toggle_painting_assistants">
       <icon></icon>
       <text>S&amp;how Painting Assistants</text>
       <whatsThis></whatsThis>
       <toolTip>Show Painting Assistants</toolTip>
       <iconText>Show Painting Assistants</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_toggle_assistant_previews">
       <icon></icon>
       <text>Show &amp;Assistant Previews</text>
       <whatsThis></whatsThis>
       <toolTip>Show Assistant Previews</toolTip>
       <iconText>Show Assistant Previews</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="Image">
     <text>Image</text>
     <Action name="image_properties">
       <icon>document-properties</icon>
       <text>&amp;Properties...</text>
       <whatsThis></whatsThis>
       <toolTip>Properties</toolTip>
       <iconText>Properties</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="image_color">
       <icon>format-stroke-color</icon>
       <text>&amp;Image Background Color and Transparency...</text>
       <whatsThis></whatsThis>
       <toolTip>Change the background color of the image</toolTip>
       <iconText>Image Background Color and Transparency</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="imagecolorspaceconversion">
       <icon></icon>
       <text>&amp;Convert Image Color Space...</text>
       <whatsThis></whatsThis>
       <toolTip>Convert Image Color Space</toolTip>
       <iconText>Convert Image Color Space</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="trim_to_image">
       <icon>trim-to-image</icon>
       <text>&amp;Trim to Image Size</text>
       <whatsThis></whatsThis>
       <toolTip>Trim to Image Size</toolTip>
       <iconText>Trim to Image Size</iconText>
       <activationFlags>1</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="resizeimagetolayer">
       <icon></icon>
       <text>Trim to Current &amp;Layer</text>
       <whatsThis></whatsThis>
       <toolTip>Trim to Current Layer</toolTip>
       <iconText>Trim to Current Layer</iconText>
       <activationFlags>100000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="resizeimagetoselection">
       <icon></icon>
       <text>Trim to S&amp;election</text>
       <whatsThis></whatsThis>
       <toolTip>Trim to Selection</toolTip>
       <iconText>Trim to Selection</iconText>
       <activationFlags>100000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="rotateimage">
       <icon></icon>
       <text>&amp;Rotate Image...</text>
       <whatsThis></whatsThis>
       <toolTip>Rotate Image</toolTip>
       <iconText>Rotate Image</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="rotateImageCW90">
       <icon>object-rotate-right</icon>
       <text>Rotate &amp;Image 90° to the Right</text>
       <whatsThis></whatsThis>
       <toolTip>Rotate Image 90° to the Right</toolTip>
       <iconText>Rotate Image 90° to the Right</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="rotateImageCCW90">
       <icon>object-rotate-left</icon>
       <text>Rotate Image &amp;90° to the Left</text>
       <whatsThis></whatsThis>
       <toolTip>Rotate Image 90° to the Left</toolTip>
       <iconText>Rotate Image 90° to the Left</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="rotateImage180">
       <icon></icon>
       <text>Rotate Image &amp;180°</text>
       <whatsThis></whatsThis>
       <toolTip>Rotate Image 180°</toolTip>
       <iconText>Rotate Image 180°</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="shearimage">
       <icon></icon>
       <text>&amp;Shear Image...</text>
       <whatsThis></whatsThis>
       <toolTip>Shear Image</toolTip>
       <iconText>Shear Image</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="mirrorImageHorizontal">
       <icon>symmetry-horizontal</icon>
       <text>&amp;Mirror Image Horizontally</text>
       <whatsThis></whatsThis>
       <toolTip>Mirror Image Horizontally</toolTip>
       <iconText>Mirror Image Horizontally</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="mirrorImageVertical">
       <icon>symmetry-vertical</icon>
       <text>Mirror Image &amp;Vertically</text>
       <whatsThis></whatsThis>
       <toolTip>Mirror Image Vertically</toolTip>
       <iconText>Mirror Image Vertically</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="imagesize">
       <icon></icon>
       <text>Scale Image To &amp;New Size...</text>
       <whatsThis></whatsThis>
       <toolTip>Scale Image To New Size</toolTip>
       <iconText>Scale Image To New Size</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Alt+I</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="offsetimage">
       <icon></icon>
       <text>&amp;Offset Image...</text>
       <whatsThis></whatsThis>
       <toolTip>Offset Image</toolTip>
       <iconText>Offset Image</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="canvassize">
       <icon></icon>
       <text>R&amp;esize Canvas...</text>
       <whatsThis></whatsThis>
       <toolTip>Resize Canvas</toolTip>
       <iconText>Resize Canvas</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Alt+C</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="imagesplit">
       <icon></icon>
       <text>Im&amp;age Split </text>
       <whatsThis></whatsThis>
       <toolTip>Image Split</toolTip>
       <iconText>Image Split</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="separate">
       <icon></icon>
       <text>Separate Ima&amp;ge...</text>
       <whatsThis></whatsThis>
       <toolTip>Separate Image</toolTip>
       <iconText>Separate Image</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="Select">
     <text>Select</text>
     <Action name="select_all">
       <icon>edit-select-all</icon>
       <text>Select &amp;All</text>
       <whatsThis></whatsThis>
       <toolTip>Select All</toolTip>
       <iconText>Select All</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+A</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="deselect">
       <icon>edit-select-all</icon>
       <text>&amp;Deselect</text>
       <whatsThis></whatsThis>
       <toolTip>Deselect</toolTip>
       <iconText>Deselect</iconText>
       <activationFlags>1100000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+A</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="reselect">
       <icon></icon>
       <text>&amp;Reselect</text>
       <whatsThis></whatsThis>
       <toolTip>Reselect</toolTip>
       <iconText>Reselect</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+Shift+D</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="krita_filter_invert">
       <icon></icon>
       <text>&amp;Invert</text>
       <whatsThis></whatsThis>
       <toolTip>Invert</toolTip>
       <iconText>Invert</iconText>
       <activationFlags>10000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+I</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="convert_to_vector_selection">
       <icon></icon>
       <text>&amp;Convert to Vector Selection</text>
       <whatsThis></whatsThis>
       <toolTip>Convert to Vector Selection</toolTip>
       <iconText>Convert to Vector Selection</iconText>
       <activationFlags>10000000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="convert_shapes_to_vector_selection">
       <icon></icon>
       <text>Convert Shapes to &amp;Vector Selection</text>
       <whatsThis></whatsThis>
       <toolTip>Convert Shapes to Vector Selection</toolTip>
       <iconText>Convert Shapes to Vector Selection</iconText>
       <activationFlags>1000000000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="featherselection">
       <icon></icon>
       <text>&amp;Feather Selection...</text>
       <whatsThis></whatsThis>
       <toolTip>Feather Selection</toolTip>
       <iconText>Feather Selection</iconText>
       <activationFlags>10000000000</activationFlags>
       <activationConditions>100</activationConditions>
       <shortcut>Shift+F6</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="toggle_display_selection">
       <icon></icon>
       <text>Dis&amp;play Selection</text>
       <whatsThis></whatsThis>
       <toolTip>Display Selection</toolTip>
       <iconText>Display Selection</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+H</shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="selectionscale">
       <icon></icon>
       <text>Sca&amp;le...</text>
       <whatsThis></whatsThis>
       <toolTip>Scale</toolTip>
       <iconText>Scale</iconText>
       <activationFlags>100000000</activationFlags>
       <activationConditions>100</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="colorrange">
       <icon></icon>
       <text>S&amp;elect from Color Range...</text>
       <whatsThis></whatsThis>
       <toolTip>Select from Color Range</toolTip>
       <iconText>Select from Color Range</iconText>
       <activationFlags>10000</activationFlags>
       <activationConditions>100</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="selectopaque">
       <icon></icon>
       <text>Select &amp;Opaque</text>
       <whatsThis></whatsThis>
       <toolTip>Select Opaque</toolTip>
       <iconText>Select Opaque</iconText>
       <activationFlags>10000</activationFlags>
       <activationConditions>100</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="growselection">
       <icon></icon>
       <text>&amp;Grow Selection...</text>
       <whatsThis></whatsThis>
       <toolTip>Grow Selection</toolTip>
       <iconText>Grow Selection</iconText>
       <activationFlags>10000000000</activationFlags>
       <activationConditions>100</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="shrinkselection">
       <icon></icon>
       <text>S&amp;hrink Selection...</text>
       <whatsThis></whatsThis>
       <toolTip>Shrink Selection</toolTip>
       <iconText>Shrink Selection</iconText>
       <activationFlags>10000000000</activationFlags>
       <activationConditions>100</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="borderselection">
       <icon></icon>
       <text>&amp;Border Selection...</text>
       <whatsThis></whatsThis>
       <toolTip>Border Selection</toolTip>
       <iconText>Border Selection</iconText>
       <activationFlags>10000000000</activationFlags>
       <activationConditions>100</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="smoothselection">
       <icon></icon>
       <text>S&amp;mooth</text>
       <whatsThis></whatsThis>
       <toolTip>Smooth</toolTip>
       <iconText>Smooth</iconText>
       <activationFlags>10000000000</activationFlags>
       <activationConditions>100</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="Filter">
     <text>Filter</text>
     <Action name="filter_apply_again">
       <icon></icon>
       <text>&amp;Apply Filter Again</text>
       <whatsThis></whatsThis>
       <toolTip>Apply Filter Again</toolTip>
       <iconText>Apply Filter Again</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut>Ctrl+F</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="adjust_filters">
       <icon></icon>
       <text>Adjust</text>
       <whatsThis></whatsThis>
       <toolTip>Adjust</toolTip>
       <iconText>Adjust</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="artistic_filters">
       <icon></icon>
       <text>Artistic</text>
       <whatsThis></whatsThis>
       <toolTip>Artistic</toolTip>
       <iconText>Artistic</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="blur_filters">
       <icon></icon>
       <text>Blur</text>
       <whatsThis></whatsThis>
       <toolTip>Blur</toolTip>
       <iconText>Blur</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="color_filters">
       <icon></icon>
       <text>Colors</text>
       <whatsThis></whatsThis>
       <toolTip>Colors</toolTip>
       <iconText>Colors</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="edge_filters">
       <icon></icon>
       <text>Edge Detection</text>
       <whatsThis></whatsThis>
       <toolTip>Edge Detection</toolTip>
       <iconText>Edge Detection</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="enhance_filters">
       <icon></icon>
       <text>Enhance</text>
       <whatsThis></whatsThis>
       <toolTip>Enhance</toolTip>
       <iconText>Enhance</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="emboss_filters">
       <icon></icon>
       <text>Emboss</text>
       <whatsThis></whatsThis>
       <toolTip>Emboss</toolTip>
       <iconText>Emboss</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="map_filters">
       <icon></icon>
       <text>Map</text>
       <whatsThis></whatsThis>
       <toolTip>Map</toolTip>
       <iconText>Map</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="other_filters">
       <icon></icon>
       <text>Other</text>
       <whatsThis></whatsThis>
       <toolTip>Other</toolTip>
       <iconText>Other</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="QMic">
       <icon>gmic</icon>
       <text>Start G'MIC-Qt</text>
       <whatsThis></whatsThis>
       <toolTip>Start G'Mic-Qt</toolTip>
       <iconText>Start G'Mic-Qt</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   <Action name="QMicAgain">
       <icon>gmic</icon>
       <text>Re-apply the last G'MIC filter</text>
       <whatsThis></whatsThis>
       <toolTip>Apply the last G'Mic-Qt action again</toolTip>
       <iconText>Apply the last G'Mic-Qt action again</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="Tools">
     <text>Tools</text>
     <Action name="Recording_Start_Recording_Macro">
       <icon>media-record</icon>
       <text>&amp;Start recording macro</text>
       <whatsThis></whatsThis>
       <toolTip>Start recording macro</toolTip>
       <iconText>Start recording macro</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="Recording_Stop_Recording_Macro">
       <icon>media-playback-stop</icon>
       <text>Stop &amp;recording actions</text>
       <whatsThis></whatsThis>
       <toolTip>Stop recording actions</toolTip>
       <iconText>Stop recording actions</iconText>
       <activationFlags>1000</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="Macro_Open_Play">
       <icon>media-playback-start</icon>
       <text>&amp;Open and play...</text>
       <whatsThis></whatsThis>
       <toolTip>Open and play</toolTip>
       <iconText>Open and play</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="Macro_Open_Edit">
       <icon>document-edit</icon>
       <text>Open &amp;and edit...</text>
       <whatsThis></whatsThis>
       <toolTip>Open and edit</toolTip>
       <iconText>Open and edit</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="Settings">
     <text>Settings</text>
     <Action name="options_configure">
       <icon>configure</icon>
       <text>&amp;Configure Krita...</text>
       <whatsThis></whatsThis>
       <toolTip>Configure Krita</toolTip>
       <iconText>Configure Krita</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="manage_bundles">
       <icon></icon>
       <text>&amp;Manage Resources...</text>
       <whatsThis></whatsThis>
       <toolTip>Manage Resources</toolTip>
       <iconText>Manage Resources</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="switch_application_language">
       <icon>preferences-desktop-locale</icon>
       <text>Switch Application &amp;Language...</text>
       <whatsThis></whatsThis>
       <toolTip>Switch Application Language</toolTip>
       <iconText>Switch Application Language</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_toggledockers">
       <icon></icon>
       <text>&amp;Show Dockers</text>
       <whatsThis></whatsThis>
       <toolTip>Show Dockers</toolTip>
       <iconText>Show Dockers</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="view_toggledockertitlebars">
       <icon></icon>
       <text>Sho&amp;w Docker Titlebars</text>
       <whatsThis></whatsThis>
       <toolTip>Show Docker Titlebars</toolTip>
       <iconText>Show Docker Titlebars</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>true</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="options_configure_toolbars">
       <icon>configure</icon>
       <text>Configure Tool&amp;bars...</text>
       <whatsThis></whatsThis>
       <toolTip>Configure Toolbars</toolTip>
       <iconText>Configure Toolbars</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="settings_dockers_menu">
       <icon></icon>
       <text>Dockers</text>
       <whatsThis></whatsThis>
       <toolTip>Dockers</toolTip>
       <iconText>Dockers</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="theme_menu">
       <icon></icon>
       <text>&amp;Themes</text>
       <whatsThis></whatsThis>
       <toolTip>Themes</toolTip>
       <iconText>Themes</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="settings_active_author">
       <icon>im-user</icon>
       <text>Active Author Profile</text>
       <whatsThis></whatsThis>
       <toolTip>Active Author Profile</toolTip>
       <iconText>Active Author Profile</iconText>
       <shortcut></shortcut>
       <isCheckable></isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="options_configure_keybinding">
       <icon>configure-shortcuts</icon>
       <text>Configure S&amp;hortcuts...</text>
       <whatsThis></whatsThis>
       <toolTip>Configure Shortcuts</toolTip>
       <iconText>Configure Shortcuts</iconText>
       <activationFlags>0</activationFlags>
       <activationConditions>0</activationConditions>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="window">
       <icon></icon>
       <text>&amp;Window</text>
       <whatsThis></whatsThis>
       <toolTip>Window</toolTip>
       <iconText>Window</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="Help">
     <text>Help</text>
     <Action name="help_contents">
       <icon>help-contents</icon>
       <text>Krita &amp;Handbook</text>
       <whatsThis></whatsThis>
       <toolTip>Krita Handbook</toolTip>
       <iconText>Krita Handbook</iconText>
       <shortcut>F1</shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="help_report_bug">
       <icon>tools-report-bug</icon>
       <text>&amp;Report Bug...</text>
       <whatsThis></whatsThis>
       <toolTip>Report Bug</toolTip>
       <iconText>Report Bug</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="help_about_app">
       <icon>calligrakrita</icon>
       <text>&amp;About Krita</text>
       <whatsThis></whatsThis>
       <toolTip>About Krita</toolTip>
       <iconText>About Krita</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="help_about_kde">
       <icon>kde</icon>
       <text>About &amp;KDE</text>
       <whatsThis></whatsThis>
       <toolTip>About KDE</toolTip>
       <iconText>About KDE</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
   </Actions>
 
   <Actions category="BrushesAndStuff">
     <text>Brushes and Stuff</text>
     <Action name="gradients">
       <icon></icon>
       <text>&amp;Gradients</text>
       <whatsThis></whatsThis>
       <toolTip>Gradients</toolTip>
       <iconText>Gradients</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="patterns">
       <icon></icon>
       <text>&amp;Patterns</text>
       <whatsThis></whatsThis>
       <toolTip>Patterns</toolTip>
       <iconText>Patterns</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="dual">
       <icon></icon>
       <text>&amp;Color</text>
       <whatsThis></whatsThis>
       <toolTip>Color</toolTip>
       <iconText>Color</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="paintops">
       <icon></icon>
       <text>&amp;Painter's Tools</text>
       <whatsThis></whatsThis>
       <toolTip>Painter's Tools</toolTip>
       <iconText>Painter's Tools</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="composite_actions">
       <icon></icon>
       <text>Brush composite</text>
       <whatsThis></whatsThis>
       <toolTip>Brush composite</toolTip>
       <iconText>Brush composite</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="brushslider1">
       <icon></icon>
       <text>Brush option slider 1</text>
       <whatsThis></whatsThis>
       <toolTip>Brush option slider 1</toolTip>
       <iconText>Brush option slider 1</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="brushslider2">
       <icon></icon>
       <text>Brush option slider 2</text>
       <whatsThis></whatsThis>
       <toolTip>Brush option slider 2</toolTip>
       <iconText>Brush option slider 2</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="brushslider3">
       <icon></icon>
       <text>Brush option slider 3</text>
       <whatsThis></whatsThis>
       <toolTip>Brush option slider 3</toolTip>
       <iconText>Brush option slider 3</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="mirror_actions">
       <icon></icon>
       <text>Mirror</text>
       <whatsThis></whatsThis>
       <toolTip>Mirror</toolTip>
       <iconText>Mirror</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
     <Action name="workspaces">
       <icon></icon>
       <text>Workspaces</text>
       <whatsThis></whatsThis>
       <toolTip>Workspaces</toolTip>
       <iconText>Workspaces</iconText>
       <shortcut></shortcut>
       <isCheckable>false</isCheckable>
       <statusTip></statusTip>
     </Action>
 
 
   </Actions>
 </ActionCollection>
diff --git a/libs/ui/CMakeLists.txt b/libs/ui/CMakeLists.txt
index 6044a960d6..eb65a23fc0 100644
--- a/libs/ui/CMakeLists.txt
+++ b/libs/ui/CMakeLists.txt
@@ -1,583 +1,587 @@
 include_directories(
     ${CMAKE_CURRENT_SOURCE_DIR}/qtlockedfile
     ${EXIV2_INCLUDE_DIR}
 )
 
 include_directories(SYSTEM
     ${EIGEN3_INCLUDE_DIR}
     ${OCIO_INCLUDE_DIR}
 )
 
 add_subdirectory( tests )
 
 if (APPLE)
     find_library(FOUNDATION_LIBRARY Foundation)
     find_library(APPKIT_LIBRARY AppKit)
 endif ()
 
 set(kritaui_LIB_SRCS
     canvas/kis_canvas_widget_base.cpp
     canvas/kis_canvas2.cpp
     canvas/kis_canvas_updates_compressor.cpp
     canvas/kis_canvas_controller.cpp
     canvas/kis_paintop_transformation_connector.cpp
     canvas/kis_display_color_converter.cpp
     canvas/kis_display_filter.cpp
     canvas/kis_exposure_gamma_correction_interface.cpp
     canvas/kis_tool_proxy.cpp
     canvas/kis_canvas_decoration.cc
     canvas/kis_coordinates_converter.cpp
     canvas/kis_grid_manager.cpp
     canvas/kis_grid_decoration.cpp
     canvas/kis_grid_config.cpp
     canvas/kis_prescaled_projection.cpp
     canvas/kis_qpainter_canvas.cpp
     canvas/kis_projection_backend.cpp
     canvas/kis_update_info.cpp
     canvas/kis_image_patch.cpp
     canvas/kis_image_pyramid.cpp
     canvas/kis_infinity_manager.cpp
     canvas/kis_change_guides_command.cpp
     canvas/kis_guides_decoration.cpp
     canvas/kis_guides_manager.cpp
     canvas/kis_guides_config.cpp
     canvas/kis_snap_config.cpp
     canvas/kis_snap_line_strategy.cpp
     canvas/KisSnapPointStrategy.cpp
     dialogs/kis_about_application.cpp
     dialogs/kis_dlg_adj_layer_props.cc
     dialogs/kis_dlg_adjustment_layer.cc
     dialogs/kis_dlg_filter.cpp
     dialogs/kis_dlg_generator_layer.cpp
     dialogs/kis_dlg_file_layer.cpp
     dialogs/kis_dlg_filter.cpp
     dialogs/kis_dlg_stroke_selection_properties.cpp
     dialogs/kis_dlg_image_properties.cc
     dialogs/kis_dlg_layer_properties.cc
     dialogs/kis_dlg_preferences.cc
     dialogs/slider_and_spin_box_sync.cpp
     dialogs/kis_dlg_blacklist_cleanup.cpp
     dialogs/kis_dlg_layer_style.cpp
     dialogs/kis_dlg_png_import.cpp
     dialogs/kis_dlg_import_image_sequence.cpp
     dialogs/kis_delayed_save_dialog.cpp
     dialogs/kis_dlg_internal_color_selector.cpp
+    dialogs/KisSessionManagerDialog.cpp
     flake/kis_node_dummies_graph.cpp
     flake/kis_dummies_facade_base.cpp
     flake/kis_dummies_facade.cpp
     flake/kis_node_shapes_graph.cpp
     flake/kis_node_shape.cpp
     flake/kis_shape_controller.cpp
     flake/kis_shape_layer.cc
     flake/kis_shape_layer_canvas.cpp
     flake/kis_shape_selection.cpp
     flake/kis_shape_selection_canvas.cpp
     flake/kis_shape_selection_model.cpp
     flake/kis_take_all_shapes_command.cpp
     brushhud/kis_uniform_paintop_property_widget.cpp
     brushhud/kis_brush_hud.cpp
     brushhud/kis_round_hud_button.cpp
     brushhud/kis_dlg_brush_hud_config.cpp
     brushhud/kis_brush_hud_properties_list.cpp
     brushhud/kis_brush_hud_properties_config.cpp
     kis_aspect_ratio_locker.cpp
     kis_autogradient.cc
     kis_bookmarked_configurations_editor.cc
     kis_bookmarked_configurations_model.cc
     kis_bookmarked_filter_configurations_model.cc
     kis_base_option.cpp
     kis_canvas_resource_provider.cpp
     kis_derived_resources.cpp
     kis_categories_mapper.cpp
     kis_categorized_list_model.cpp
     kis_categorized_item_delegate.cpp
     kis_clipboard.cc
     kis_config.cc
     kis_config_notifier.cpp
     kis_control_frame.cpp
     kis_composite_ops_model.cc
     kis_paint_ops_model.cpp
     kis_cursor.cc
     kis_cursor_cache.cpp
     kis_custom_pattern.cc
     kis_file_layer.cpp
     kis_change_file_layer_command.h
     kis_safe_document_loader.cpp
     kis_splash_screen.cpp
     kis_filter_manager.cc
     kis_filters_model.cc
     kis_histogram_view.cc
     KisImageBarrierLockerWithFeedback.cpp
     kis_image_manager.cc
     kis_image_view_converter.cpp
     kis_import_catcher.cc
     kis_layer_manager.cc
     kis_mask_manager.cc
     kis_mimedata.cpp
     kis_node_commands_adapter.cpp
     kis_node_manager.cpp
     kis_node_juggler_compressed.cpp
     kis_node_selection_adapter.cpp
     kis_node_insertion_adapter.cpp
     kis_node_model.cpp
     kis_node_filter_proxy_model.cpp
     kis_model_index_converter_base.cpp
     kis_model_index_converter.cpp
     kis_model_index_converter_show_all.cpp
     kis_painting_assistant.cc
     kis_painting_assistants_decoration.cpp
     kis_painting_assistants_manager.cpp
     kis_paintop_box.cc
     kis_paintop_option.cpp
     kis_paintop_options_model.cpp
     kis_paintop_settings_widget.cpp
     kis_popup_palette.cpp
     kis_png_converter.cpp
     kis_preference_set_registry.cpp
     kis_script_manager.cpp
     kis_resource_server_provider.cpp
     KisSelectedShapesProxy.cpp
     kis_selection_decoration.cc
     kis_selection_manager.cc
     kis_statusbar.cc
     kis_zoom_manager.cc
     kis_favorite_resource_manager.cpp
     kis_workspace_resource.cpp
     kis_action.cpp
     kis_action_manager.cpp
     kis_view_plugin.cpp
     kis_canvas_controls_manager.cpp
     kis_tooltip_manager.cpp
     kis_multinode_property.cpp
     kis_stopgradient_editor.cpp
     kisexiv2/kis_exif_io.cpp
     kisexiv2/kis_exiv2.cpp
     kisexiv2/kis_iptc_io.cpp
     kisexiv2/kis_xmp_io.cpp
     opengl/kis_opengl.cpp
     opengl/kis_opengl_canvas2.cpp
     opengl/kis_opengl_canvas_debugger.cpp
     opengl/kis_opengl_image_textures.cpp
     opengl/kis_texture_tile.cpp
     opengl/kis_opengl_shader_loader.cpp
     opengl/kis_texture_tile_info_pool.cpp
     kis_fps_decoration.cpp
     recorder/kis_node_query_path_editor.cc
     recorder/kis_recorded_action_creator.cc
     recorder/kis_recorded_action_creator_factory.cc
     recorder/kis_recorded_action_creator_factory_registry.cc
     recorder/kis_recorded_action_editor_factory.cc
     recorder/kis_recorded_action_editor_factory_registry.cc
     recorder/kis_recorded_filter_action_editor.cc
     recorder/kis_recorded_filter_action_creator.cpp
     recorder/kis_recorded_paint_action_editor.cc
     tool/kis_selection_tool_helper.cpp
     tool/kis_selection_tool_config_widget_helper.cpp
     tool/kis_rectangle_constraint_widget.cpp
     tool/kis_shape_tool_helper.cpp
     tool/kis_tool.cc
     tool/kis_delegated_tool_policies.cpp
     tool/kis_tool_freehand.cc
     tool/kis_speed_smoother.cpp
     tool/kis_painting_information_builder.cpp
     tool/kis_stabilized_events_sampler.cpp
     tool/kis_tool_freehand_helper.cpp
     tool/kis_tool_multihand_helper.cpp
     tool/kis_figure_painting_tool_helper.cpp
     tool/kis_recording_adapter.cpp
     tool/kis_tool_paint.cc
     tool/kis_tool_shape.cc
     tool/kis_tool_ellipse_base.cpp
     tool/kis_tool_rectangle_base.cpp
     tool/kis_tool_polyline_base.cpp
     tool/kis_tool_utils.cpp
     tool/kis_resources_snapshot.cpp
     tool/kis_smoothing_options.cpp
     tool/KisStabilizerDelayedPaintHelper.cpp
     tool/KisStrokeSpeedMonitor.cpp
     tool/strokes/freehand_stroke.cpp
     tool/strokes/KisStrokeEfficiencyMeasurer.cpp
     tool/strokes/kis_painter_based_stroke_strategy.cpp
     tool/strokes/kis_filter_stroke_strategy.cpp
     tool/strokes/kis_color_picker_stroke_strategy.cpp
     tool/strokes/KisFreehandStrokeInfo.cpp
     tool/strokes/KisMaskedFreehandStrokePainter.cpp
     tool/strokes/KisMaskingBrushRenderer.cpp
     tool/strokes/KisMaskingBrushCompositeOpFactory.cpp
 
     widgets/kis_cmb_composite.cc
     widgets/kis_cmb_contour.cpp
     widgets/kis_cmb_gradient.cpp
     widgets/kis_paintop_list_widget.cpp
     widgets/kis_cmb_idlist.cc
     widgets/kis_color_space_selector.cc
     widgets/kis_advanced_color_space_selector.cc
     widgets/kis_cie_tongue_widget.cpp
     widgets/kis_tone_curve_widget.cpp
     widgets/kis_curve_widget.cpp
     widgets/kis_custom_image_widget.cc
     widgets/kis_image_from_clipboard_widget.cpp
     widgets/kis_double_widget.cc
     widgets/kis_filter_selector_widget.cc
     widgets/kis_gradient_chooser.cc
     widgets/kis_gradient_slider_widget.cc
     widgets/kis_gradient_slider.cpp
     widgets/kis_iconwidget.cc
     widgets/kis_mask_widgets.cpp
     widgets/kis_meta_data_merge_strategy_chooser_widget.cc
     widgets/kis_multi_bool_filter_widget.cc
     widgets/kis_multi_double_filter_widget.cc
     widgets/kis_multi_integer_filter_widget.cc
     widgets/kis_multipliers_double_slider_spinbox.cpp
     widgets/kis_paintop_presets_popup.cpp
     widgets/kis_tool_options_popup.cpp
     widgets/kis_paintop_presets_chooser_popup.cpp
     widgets/kis_paintop_presets_save.cpp
     widgets/kis_paintop_preset_icon_library.cpp
     widgets/kis_pattern_chooser.cc
 
     widgets/kis_popup_button.cc
     widgets/kis_preset_chooser.cpp
     widgets/kis_progress_widget.cpp
     widgets/kis_selection_options.cc
     widgets/kis_scratch_pad.cpp
     widgets/kis_scratch_pad_event_filter.cpp
     widgets/kis_preset_selector_strip.cpp
     widgets/kis_slider_spin_box.cpp
     widgets/kis_size_group.cpp
     widgets/kis_size_group_p.cpp
     widgets/kis_wdg_generator.cpp
     widgets/kis_workspace_chooser.cpp
     widgets/kis_categorized_list_view.cpp
     widgets/kis_widget_chooser.cpp
     widgets/kis_tool_button.cpp
     widgets/kis_floating_message.cpp
     widgets/kis_lod_availability_widget.cpp
     widgets/kis_color_label_selector_widget.cpp
     widgets/kis_color_filter_combo.cpp
     widgets/kis_elided_label.cpp
     widgets/kis_stopgradient_slider_widget.cpp
     widgets/kis_spinbox_color_selector.cpp
     widgets/kis_screen_color_picker.cpp
     widgets/kis_preset_live_preview_view.cpp
     widgets/KoDualColorButton.cpp
     widgets/kis_color_input.cpp
     widgets/kis_color_button.cpp
     widgets/KisVisualColorSelector.cpp
     widgets/KisVisualColorSelectorShape.cpp
     widgets/KisVisualEllipticalSelectorShape.cpp
     widgets/KisVisualRectangleSelectorShape.cpp
     widgets/KisVisualTriangleSelectorShape.cpp
     widgets/KoStrokeConfigWidget.cpp
     widgets/KoFillConfigWidget.cpp
     widgets/KoShapeFillWrapper.cpp
 
 
     utils/kis_document_aware_spin_box_unit_manager.cpp
 
     input/kis_input_manager.cpp
     input/kis_input_manager_p.cpp
     input/kis_extended_modifiers_mapper.cpp
     input/kis_abstract_input_action.cpp
     input/kis_tool_invocation_action.cpp
     input/kis_pan_action.cpp
     input/kis_alternate_invocation_action.cpp
     input/kis_rotate_canvas_action.cpp
     input/kis_zoom_action.cpp
     input/kis_change_frame_action.cpp
     input/kis_gamma_exposure_action.cpp
     input/kis_show_palette_action.cpp
     input/kis_change_primary_setting_action.cpp
     input/kis_abstract_shortcut.cpp
     input/kis_native_gesture_shortcut.cpp
     input/kis_single_action_shortcut.cpp
     input/kis_stroke_shortcut.cpp
     input/kis_shortcut_matcher.cpp
     input/kis_select_layer_action.cpp
     input/KisQtWidgetsTweaker.cpp
     input/KisInputActionGroup.cpp
 
     operations/kis_operation.cpp
     operations/kis_operation_configuration.cpp
     operations/kis_operation_registry.cpp
     operations/kis_operation_ui_factory.cpp
     operations/kis_operation_ui_widget.cpp
     operations/kis_filter_selection_operation.cpp
     actions/kis_selection_action_factories.cpp
     actions/KisPasteActionFactory.cpp
     input/kis_touch_shortcut.cpp
     kis_document_undo_store.cpp
     kis_transaction_based_command.cpp
     kis_gui_context_command.cpp
     kis_gui_context_command_p.cpp
     input/kis_tablet_debugger.cpp
     input/kis_input_profile_manager.cpp
     input/kis_input_profile.cpp
     input/kis_shortcut_configuration.cpp
     input/config/kis_input_configuration_page.cpp
     input/config/kis_edit_profiles_dialog.cpp
     input/config/kis_input_profile_model.cpp
     input/config/kis_input_configuration_page_item.cpp
     input/config/kis_action_shortcuts_model.cpp
     input/config/kis_input_type_delegate.cpp
     input/config/kis_input_mode_delegate.cpp
     input/config/kis_input_button.cpp
     input/config/kis_input_editor_delegate.cpp
     input/config/kis_mouse_input_editor.cpp
     input/config/kis_wheel_input_editor.cpp
     input/config/kis_key_input_editor.cpp
     processing/fill_processing_visitor.cpp
     kis_asl_layer_style_serializer.cpp
     kis_psd_layer_style_resource.cpp
     canvas/kis_mirror_axis.cpp
 
     kis_abstract_perspective_grid.cpp
     
     KisApplication.cpp
     KisAutoSaveRecoveryDialog.cpp
     KisDetailsPane.cpp
     KisDocument.cpp
     KisNodeDelegate.cpp
     kis_node_view_visibility_delegate.cpp
     KisNodeToolTip.cpp
     KisNodeView.cpp
     kis_node_view_color_scheme.cpp
     KisImportExportFilter.cpp
     KisFilterEntry.cpp
     KisImportExportManager.cpp
     KisImportExportUtils.cpp
     kis_async_action_feedback.cpp
     KisMainWindow.cpp
     KisOpenPane.cpp
     KisPart.cpp
     KisPrintJob.cpp
     KisTemplate.cpp
     KisTemplateCreateDia.cpp
     KisTemplateGroup.cpp
     KisTemplates.cpp
     KisTemplatesPane.cpp
     KisTemplateTree.cpp
     KisUndoStackAction.cpp
     KisView.cpp
 
     thememanager.cpp
 
     kis_mainwindow_observer.cpp
     KisViewManager.cpp
     kis_mirror_manager.cpp
 
     qtlockedfile/qtlockedfile.cpp
 
     qtsingleapplication/qtlocalpeer.cpp
     qtsingleapplication/qtsingleapplication.cpp
 
     KisResourceBundle.cpp
     KisResourceBundleManifest.cpp
 
     kis_md5_generator.cpp
     KisApplicationArguments.cpp
 
     KisNetworkAccessManager.cpp
     KisMultiFeedRSSModel.cpp
     KisRemoteFileFetcher.cpp
 
     KisPaletteModel.cpp
     kis_palette_delegate.cpp
     kis_palette_view.cpp
     KisColorsetChooser.cpp
     KisSaveGroupVisitor.cpp
+    KisWindowLayoutResource.cpp
+    KisSessionResource.cpp
 )
 
 if(WIN32)
     if (NOT Qt5Gui_PRIVATE_INCLUDE_DIRS)
         message(FATAL_ERROR "Qt5Gui Private header are missing!")
     endif()
     set(kritaui_LIB_SRCS
         ${kritaui_LIB_SRCS}
         input/kis_tablet_event.cpp
         input/wintab/kis_tablet_support_win.cpp
         input/wintab/kis_screen_size_choice_dialog.cpp
         qtlockedfile/qtlockedfile_win.cpp
         input/wintab/kis_tablet_support_win8.cpp
         opengl/kis_opengl_win.cpp
         )
     include_directories(${Qt5Gui_PRIVATE_INCLUDE_DIRS})
 endif()
 
     set(kritaui_LIB_SRCS
         ${kritaui_LIB_SRCS}
         kis_animation_frame_cache.cpp
         kis_animation_cache_populator.cpp
         KisAsyncAnimationRendererBase.cpp
         KisAsyncAnimationCacheRenderer.cpp
         KisAsyncAnimationFramesSavingRenderer.cpp
         dialogs/KisAsyncAnimationRenderDialogBase.cpp
         dialogs/KisAsyncAnimationCacheRenderDialog.cpp
         dialogs/KisAsyncAnimationFramesSaveDialog.cpp
         canvas/kis_animation_player.cpp
         kis_animation_importer.cpp
         KisSyncedAudioPlayback.cpp
     )
 
 if(UNIX)
     set(kritaui_LIB_SRCS
         ${kritaui_LIB_SRCS}
         input/kis_tablet_event.cpp
         input/wintab/kis_tablet_support.cpp
         qtlockedfile/qtlockedfile_unix.cpp
         )
     if(NOT APPLE)
         set(kritaui_LIB_SRCS
             ${kritaui_LIB_SRCS}
             input/wintab/kis_tablet_support_x11.cpp
             input/wintab/qxcbconnection_xi2.cpp
             input/wintab/qxcbconnection.cpp
             input/wintab/kis_xi2_event_filter.cpp
             )
     endif()
 endif()
 
 if(APPLE)
     set(kritaui_LIB_SRCS
         ${kritaui_LIB_SRCS}
         osx.mm
     )
 endif()
 
 ki18n_wrap_ui(kritaui_LIB_SRCS
     widgets/KoFillConfigWidget.ui
     widgets/KoStrokeConfigWidget.ui
     forms/wdgdlgpngimport.ui
     forms/wdgfullscreensettings.ui
     forms/wdgautogradient.ui
     forms/wdggeneralsettings.ui
     forms/wdgperformancesettings.ui
     forms/wdggenerators.ui
     forms/wdgbookmarkedconfigurationseditor.ui
     forms/wdgapplyprofile.ui
     forms/wdgcustompattern.ui
     forms/wdglayerproperties.ui
     forms/wdgcolorsettings.ui
     forms/wdgtabletsettings.ui
     forms/wdgcolorspaceselector.ui
     forms/wdgcolorspaceselectoradvanced.ui
     forms/wdgdisplaysettings.ui
     forms/kis_previewwidgetbase.ui
     forms/kis_matrix_widget.ui
     forms/wdgselectionoptions.ui
     forms/wdggeometryoptions.ui
     forms/wdgnewimage.ui
     forms/wdgimageproperties.ui
     forms/wdgmaskfromselection.ui
     forms/wdgmasksource.ui
     forms/wdgfilterdialog.ui
     forms/wdgmetadatamergestrategychooser.ui
     forms/wdgpaintoppresets.ui
     forms/wdgpaintopsettings.ui
     forms/wdgdlggeneratorlayer.ui
     forms/wdgdlgfilelayer.ui
     forms/wdgfilterselector.ui
     forms/wdgfilternodecreation.ui
     forms/wdgpaintactioneditor.ui
     forms/wdgmultipliersdoublesliderspinbox.ui
     forms/wdgnodequerypatheditor.ui
     forms/wdgpresetselectorstrip.ui
     forms/wdgsavebrushpreset.ui
     forms/wdgpreseticonlibrary.ui
     forms/wdgdlgblacklistcleanup.ui
     forms/wdgrectangleconstraints.ui
     forms/wdgimportimagesequence.ui
     forms/wdgstrokeselectionproperties.ui
     forms/KisDetailsPaneBase.ui
     forms/KisOpenPaneBase.ui
     forms/wdgstopgradienteditor.ui
+    forms/wdgsessionmanager.ui
     brushhud/kis_dlg_brush_hud_config.ui
     forms/wdgdlginternalcolorselector.ui
     dialogs/kis_delayed_save_dialog.ui
     input/config/kis_input_configuration_page.ui
     input/config/kis_edit_profiles_dialog.ui
     input/config/kis_input_configuration_page_item.ui
     input/config/kis_mouse_input_editor.ui
     input/config/kis_wheel_input_editor.ui
     input/config/kis_key_input_editor.ui
 
     layerstyles/wdgBevelAndEmboss.ui
     layerstyles/wdgblendingoptions.ui
     layerstyles/WdgColorOverlay.ui
     layerstyles/wdgContour.ui
     layerstyles/wdgdropshadow.ui
     layerstyles/WdgGradientOverlay.ui
     layerstyles/wdgInnerGlow.ui
     layerstyles/wdglayerstyles.ui
     layerstyles/WdgPatternOverlay.ui
     layerstyles/WdgSatin.ui
     layerstyles/WdgStroke.ui
     layerstyles/wdgstylesselector.ui
     layerstyles/wdgTexture.ui
 
     wdgsplash.ui
     input/wintab/kis_screen_size_choice_dialog.ui
 
 )
 
 
 QT5_WRAP_CPP(kritaui_HEADERS_MOC KisNodePropertyAction_p.h)
 
 add_library(kritaui SHARED ${kritaui_HEADERS_MOC} ${kritaui_LIB_SRCS} )
 generate_export_header(kritaui BASE_NAME kritaui)
 
 target_link_libraries(kritaui KF5::CoreAddons KF5::Completion KF5::I18n KF5::ItemViews Qt5::Network
                       kritaimpex kritacolor kritaimage kritalibbrush kritawidgets kritawidgetutils ${PNG_LIBRARIES} ${EXIV2_LIBRARIES}
 )
 
 if (HAVE_QT_MULTIMEDIA)
     target_link_libraries(kritaui Qt5::Multimedia)
 endif()
 
 if (HAVE_KIO)
     target_link_libraries(kritaui KF5::KIOCore)
 endif() 
 
 if (NOT WIN32 AND NOT APPLE)
   target_link_libraries(kritaui ${X11_X11_LIB}
                                 ${X11_Xinput_LIB}
                                 ${XCB_LIBRARIES})
 endif()
 
 if(APPLE)
     target_link_libraries(kritaui ${FOUNDATION_LIBRARY})
     target_link_libraries(kritaui ${APPKIT_LIBRARY})
 endif ()
 
 
 target_link_libraries(kritaui ${OPENEXR_LIBRARIES})
 
 # Add VSync disable workaround
 if(NOT WIN32 AND NOT APPLE)
     target_link_libraries(kritaui ${CMAKE_DL_LIBS} Qt5::X11Extras)
 endif()
 
 if(X11_FOUND)
     target_link_libraries(kritaui Qt5::X11Extras ${X11_LIBRARIES})
 endif()
 
 target_include_directories(kritaui
     PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/canvas>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/flake>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/ora>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/tool>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/utils>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/widgets>
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/input/wintab>
 )
 
 set_target_properties(kritaui
     PROPERTIES VERSION ${GENERIC_KRITA_LIB_VERSION} SOVERSION ${GENERIC_KRITA_LIB_SOVERSION}
 )
 install(TARGETS kritaui  ${INSTALL_TARGETS_DEFAULT_ARGS})
 
 
 if (APPLE)
     install(FILES osx.stylesheet DESTINATION ${DATA_INSTALL_DIR}/krita)
 endif ()
diff --git a/libs/ui/KisApplication.cpp b/libs/ui/KisApplication.cpp
index ab4c59b423..f2d2314bec 100644
--- a/libs/ui/KisApplication.cpp
+++ b/libs/ui/KisApplication.cpp
@@ -1,813 +1,831 @@
 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  * Copyright (C) 2012 Boudewijn Rempt <boud@valdyas.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "KisApplication.h"
 
 #include <stdlib.h>
 #ifdef Q_OS_WIN
 #include <windows.h>
 #include <tchar.h>
 #endif
 
 #ifdef Q_OS_OSX
 #include "osx.h"
 #endif
 
 #include <QStandardPaths>
 #include <QDesktopWidget>
 #include <QDir>
 #include <QFile>
 #include <QLocale>
 #include <QMessageBox>
 #include <QMessageBox>
 #include <QProcessEnvironment>
 #include <QSettings>
 #include <QStandardPaths>
 #include <QStringList>
 #include <QStyle>
 #include <QStyleFactory>
 #include <QSysInfo>
 #include <QTimer>
 #include <QWidget>
 
 #include <klocalizedstring.h>
 #include <kdesktopfile.h>
 #include <kconfig.h>
 #include <kconfiggroup.h>
 
 #include <KoColorSpaceRegistry.h>
 #include <KoPluginLoader.h>
 #include <KoShapeRegistry.h>
 #include <KoDpi.h>
 #include "KoGlobal.h"
 #include "KoConfig.h"
 #include <resources/KoHashGeneratorProvider.h>
 #include <KoResourcePaths.h>
 #include <KisMimeDatabase.h>
 #include "thememanager.h"
 #include "KisPrintJob.h"
 #include "KisDocument.h"
 #include "KisMainWindow.h"
 #include "KisAutoSaveRecoveryDialog.h"
 #include "KisPart.h"
 #include <kis_icon.h>
 #include "kis_md5_generator.h"
 #include "kis_splash_screen.h"
 #include "kis_config.h"
 #include "flake/kis_shape_selection.h"
 #include <filter/kis_filter.h>
 #include <filter/kis_filter_registry.h>
 #include <filter/kis_filter_configuration.h>
 #include <generator/kis_generator_registry.h>
 #include <generator/kis_generator.h>
 #include <brushengine/kis_paintop_registry.h>
 #include <metadata/kis_meta_data_io_backend.h>
 #include "kisexiv2/kis_exiv2.h"
 #include "KisApplicationArguments.h"
 #include <kis_debug.h>
 #include "kis_action_registry.h"
 #include <kis_brush_server.h>
 #include <kis_resource_server_provider.h>
 #include <KoResourceServerProvider.h>
 #include "kis_image_barrier_locker.h"
 #include "opengl/kis_opengl.h"
 #include "kis_spin_box_unit_manager.h"
 #include "kis_document_aware_spin_box_unit_manager.h"
 #include "KisViewManager.h"
 #include "kis_workspace_resource.h"
 
 #include <KritaVersionWrapper.h>
+#include <dialogs/KisSessionManagerDialog.h>
+
 namespace {
 const QTime appStartTime(QTime::currentTime());
 }
 
 class KisApplicationPrivate
 {
 public:
     KisApplicationPrivate()
         : splashScreen(0)
     {}
     QPointer<KisSplashScreen> splashScreen;
 };
 
 class KisApplication::ResetStarting
 {
 public:
     ResetStarting(KisSplashScreen *splash, int fileCount)
         : m_splash(splash)
         , m_fileCount(fileCount)
     {
     }
 
     ~ResetStarting()  {
         if (m_splash) {
 
             KConfigGroup cfg( KSharedConfig::openConfig(), "SplashScreen");
             bool hideSplash = cfg.readEntry("HideSplashAfterStartup", false);
             if (m_fileCount > 0 || hideSplash) {
                 m_splash->hide();
             }
             else {
                 m_splash->setWindowFlags(Qt::Dialog);
                 QRect r(QPoint(), m_splash->size());
                 m_splash->move(QApplication::desktop()->availableGeometry().center() - r.center());
                 m_splash->setWindowTitle(qAppName());
                 m_splash->setParent(0);
                 Q_FOREACH (QObject *o, m_splash->children()) {
                     QWidget *w = qobject_cast<QWidget*>(o);
                     if (w && w->isHidden()) {
                         w->setVisible(true);
                     }
                 }
                 m_splash->show();
                 m_splash->activateWindow();
             }
         }
     }
 
     QPointer<KisSplashScreen> m_splash;
     int m_fileCount;
 };
 
 
 KisApplication::KisApplication(const QString &key, int &argc, char **argv)
     : QtSingleApplication(key, argc, argv)
     , d(new KisApplicationPrivate)
     , m_autosaveDialog(0)
     , m_mainWindow(0)
     , m_batchRun(false)
 {
 #ifdef Q_OS_OSX
     setMouseCoalescingEnabled(false);
 #endif
 
     QCoreApplication::addLibraryPath(QCoreApplication::applicationDirPath());
 
     setApplicationDisplayName("Krita");
     setApplicationName("krita");
     // Note: Qt docs suggest we set this, but if we do, we get resource paths of the form of krita/krita, which is weird.
     //    setOrganizationName("krita");
     setOrganizationDomain("krita.org");
 
     QString version = KritaVersionWrapper::versionString(true);
     setApplicationVersion(version);
     setWindowIcon(KisIconUtils::loadIcon("calligrakrita"));
 
     if (qgetenv("KRITA_NO_STYLE_OVERRIDE").isEmpty()) {
         QStringList styles = QStringList() << "breeze" << "fusion" << "plastique";
         if (!styles.contains(style()->objectName().toLower())) {
             Q_FOREACH (const QString & style, styles) {
                 if (!setStyle(style)) {
                     qDebug() << "No" << style << "available.";
                 }
                 else {
                     qDebug() << "Set style" << style;
                     break;
                 }
             }
         }
     }
     else {
         qDebug() << "Style override disabled, using" << style()->objectName();
     }
 
     KisOpenGL::initialize();
     qDebug() << "krita has opengl" << KisOpenGL::hasOpenGL();
 }
 
 #if defined(Q_OS_WIN) && defined(ENV32BIT)
 typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
 
 LPFN_ISWOW64PROCESS fnIsWow64Process;
 
 BOOL isWow64()
 {
     BOOL bIsWow64 = FALSE;
 
     //IsWow64Process is not available on all supported versions of Windows.
     //Use GetModuleHandle to get a handle to the DLL that contains the function
     //and GetProcAddress to get a pointer to the function if available.
 
     fnIsWow64Process = (LPFN_ISWOW64PROCESS) GetProcAddress(
                 GetModuleHandle(TEXT("kernel32")),"IsWow64Process");
 
     if(0 != fnIsWow64Process)
     {
         if (!fnIsWow64Process(GetCurrentProcess(),&bIsWow64))
         {
             //handle error
         }
     }
     return bIsWow64;
 }
 #endif
 
 void KisApplication::initializeGlobals(const KisApplicationArguments &args)
 {
     int dpiX = args.dpiX();
     int dpiY = args.dpiY();
     if (dpiX > 0 && dpiY > 0) {
         KoDpi::setDPI(dpiX, dpiY);
     }
 }
 
 void KisApplication::addResourceTypes()
 {
     // All Krita's resource types
     KoResourcePaths::addResourceType("kis_pics", "data", "/pics/");
     KoResourcePaths::addResourceType("kis_images", "data", "/images/");
     KoResourcePaths::addResourceType("icc_profiles", "data", "/profiles/");
     KoResourcePaths::addResourceType("metadata_schema", "data", "/metadata/schemas/");
     KoResourcePaths::addResourceType("kis_brushes", "data", "/brushes/");
     KoResourcePaths::addResourceType("kis_taskset", "data", "/taskset/");
     KoResourcePaths::addResourceType("kis_taskset", "data", "/taskset/");
     KoResourcePaths::addResourceType("gmic_definitions", "data", "/gmic/");
     KoResourcePaths::addResourceType("kis_resourcebundles", "data", "/bundles/");
     KoResourcePaths::addResourceType("kis_defaultpresets", "data", "/defaultpresets/");
     KoResourcePaths::addResourceType("kis_paintoppresets", "data", "/paintoppresets/");
     KoResourcePaths::addResourceType("kis_workspaces", "data", "/workspaces/");
+    KoResourcePaths::addResourceType("kis_windowlayouts", "data", "/windowlayouts/");
+    KoResourcePaths::addResourceType("kis_sessions", "data", "/sessions/");
     KoResourcePaths::addResourceType("psd_layer_style_collections", "data", "/asl");
     KoResourcePaths::addResourceType("ko_patterns", "data", "/patterns/", true);
     KoResourcePaths::addResourceType("ko_gradients", "data", "/gradients/");
     KoResourcePaths::addResourceType("ko_gradients", "data", "/gradients/", true);
     KoResourcePaths::addResourceType("ko_palettes", "data", "/palettes/", true);
     KoResourcePaths::addResourceType("kis_shortcuts", "data", "/shortcuts/");
     KoResourcePaths::addResourceType("kis_actions", "data", "/actions");
     KoResourcePaths::addResourceType("icc_profiles", "data", "/color/icc");
     KoResourcePaths::addResourceType("ko_effects", "data", "/effects/");
     KoResourcePaths::addResourceType("tags", "data", "/tags/");
     KoResourcePaths::addResourceType("templates", "data", "/templates");
     KoResourcePaths::addResourceType("pythonscripts", "data", "/pykrita");
     KoResourcePaths::addResourceType("symbols", "data", "/symbols");
     KoResourcePaths::addResourceType("preset_icons", "data", "/preset_icons");
 
     //    // Extra directories to look for create resources. (Does anyone actually use that anymore?)
     //    KoResourcePaths::addResourceDir("ko_gradients", "/usr/share/create/gradients/gimp");
     //    KoResourcePaths::addResourceDir("ko_gradients", QDir::homePath() + QString("/.create/gradients/gimp"));
     //    KoResourcePaths::addResourceDir("ko_patterns", "/usr/share/create/patterns/gimp");
     //    KoResourcePaths::addResourceDir("ko_patterns", QDir::homePath() + QString("/.create/patterns/gimp"));
     //    KoResourcePaths::addResourceDir("kis_brushes", "/usr/share/create/brushes/gimp");
     //    KoResourcePaths::addResourceDir("kis_brushes", QDir::homePath() + QString("/.create/brushes/gimp"));
     //    KoResourcePaths::addResourceDir("ko_palettes", "/usr/share/create/swatches");
     //    KoResourcePaths::addResourceDir("ko_palettes", QDir::homePath() + QString("/.create/swatches"));
 
     // Make directories for all resources we can save, and tags
     QDir d;
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/tags/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/asl/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/bundles/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/gradients/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/paintoppresets/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/palettes/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/patterns/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/taskset/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/workspaces/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/input/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/pykrita/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/symbols/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/preset_icons/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/preset_icons/tool_icons/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/preset_icons/emblem_icons/");
 
     // Indicate that it is now safe for users of KoResourcePaths to load resources
     KoResourcePaths::setReady();
 }
 
 void KisApplication::loadResources()
 {
     setSplashScreenLoadingText(i18n("Loading Gradients..."));
     processEvents();
     KoResourceServerProvider::instance()->gradientServer(true);
 
 
     // Load base resources
     setSplashScreenLoadingText(i18n("Loading Patterns..."));
     processEvents();
     KoResourceServerProvider::instance()->patternServer(true);
 
     setSplashScreenLoadingText(i18n("Loading Palettes..."));
     processEvents();
     KoResourceServerProvider::instance()->paletteServer(false);
 
     setSplashScreenLoadingText(i18n("Loading Brushes..."));
     processEvents();
     KisBrushServer::instance()->brushServer(true);
 
     // load paintop presets
     setSplashScreenLoadingText(i18n("Loading Paint Operations..."));
     processEvents();
     KisResourceServerProvider::instance()->paintOpPresetServer(true);
 
     // load symbols
     setSplashScreenLoadingText(i18n("Loading SVG Symbol Collections..."));
     processEvents();
     KoResourceServerProvider::instance()->svgSymbolCollectionServer(true);
 
     setSplashScreenLoadingText(i18n("Loading Resource Bundles..."));
     processEvents();
     KisResourceServerProvider::instance()->resourceBundleServer();
 }
 
 void KisApplication::loadPlugins()
 {
     KoShapeRegistry* r = KoShapeRegistry::instance();
     r->add(new KisShapeSelectionFactory());
 
     KisActionRegistry::instance();
     KisFilterRegistry::instance();
     KisGeneratorRegistry::instance();
     KisPaintOpRegistry::instance();
     KoColorSpaceRegistry::instance();
 
     // Load the krita-specific tools
     setSplashScreenLoadingText(i18n("Loading Plugins for Krita/Tool..."));
     processEvents();
     KoPluginLoader::instance()->load(QString::fromLatin1("Krita/Tool"),
                                      QString::fromLatin1("[X-Krita-Version] == 28"));
 
 
     // Load dockers
     setSplashScreenLoadingText(i18n("Loading Plugins for Krita/Dock..."));
     processEvents();
     KoPluginLoader::instance()->load(QString::fromLatin1("Krita/Dock"),
                                      QString::fromLatin1("[X-Krita-Version] == 28"));
 
     // XXX_EXIV: make the exiv io backends real plugins
     setSplashScreenLoadingText(i18n("Loading Plugins Exiv/IO..."));
     processEvents();
     KisExiv2::initialize();
 }
 
 
 bool KisApplication::start(const KisApplicationArguments &args)
 {
     KisConfig cfg;
 
 #if defined(Q_OS_WIN)
 #ifdef ENV32BIT
 
     if (isWow64() && !cfg.readEntry("WarnedAbout32Bits", false)) {
         QMessageBox::information(0,
                                  i18nc("@title:window", "Krita: Warning"),
                                  i18n("You are running a 32 bits build on a 64 bits Windows.\n"
                                       "This is not recommended.\n"
                                       "Please download and install the x64 build instead."));
         cfg.writeEntry("WarnedAbout32Bits", true);
 
     }
 #endif
 #endif
 
     QString opengl = cfg.canvasState();
     if (opengl == "OPENGL_NOT_TRIED" ) {
         cfg.setCanvasState("TRY_OPENGL");
     }
     else if (opengl != "OPENGL_SUCCESS") {
         cfg.setCanvasState("OPENGL_FAILED");
     }
 
     setSplashScreenLoadingText(i18n("Initializing Globals"));
     processEvents();
     initializeGlobals(args);
 
     const bool doNewImage = args.doNewImage();
     const bool doTemplate = args.doTemplate();
     const bool print = args.print();
     const bool exportAs = args.exportAs();
     const bool exportAsPdf = args.exportAsPdf();
     const QString exportFileName = args.exportFileName();
 
     m_batchRun = (print || exportAs || exportAsPdf || !exportFileName.isEmpty());
     // print & exportAsPdf do user interaction ATM
     const bool needsMainWindow = !exportAs;
     // only show the mainWindow when no command-line mode option is passed
     // TODO: fix print & exportAsPdf to work without mainwindow shown
-    const bool showmainWindow = !exportAs; // would be !batchRun;
+    bool showmainWindow = !exportAs; // would be !batchRun;
 
     const bool showSplashScreen = !m_batchRun && qEnvironmentVariableIsEmpty("NOSPLASH");
     if (showSplashScreen && d->splashScreen) {
         d->splashScreen->show();
         d->splashScreen->repaint();
         processEvents();
     }
 
     KoHashGeneratorProvider::instance()->setGenerator("MD5", new KisMD5Generator());
 
     // Initialize all Krita directories etc.
     KoGlobal::initialize();
 
     KConfigGroup group(KSharedConfig::openConfig(), "theme");
     Digikam::ThemeManager themeManager;
     themeManager.setCurrentTheme(group.readEntry("Theme", "Krita dark"));
 
     ResetStarting resetStarting(d->splashScreen, args.filenames().count()); // remove the splash when done
     Q_UNUSED(resetStarting);
 
     // Make sure we can save resources and tags
     setSplashScreenLoadingText(i18n("Adding resource types"));
     processEvents();
     addResourceTypes();
 
     // Load all resources and tags before the plugins do that
     loadResources();
 
     // Load the plugins
     loadPlugins();
 
+    KisPart *kisPart = KisPart::instance();
     if (needsMainWindow) {
         // show a mainWindow asap, if we want that
         setSplashScreenLoadingText(i18n("Loading Main Window..."));
         processEvents();
-        m_mainWindow = KisPart::instance()->createMainWindow();
+
+        auto sessionMode = cfg.sessionOnStartup();
+        if (false && sessionMode == KisConfig::SOS_ShowSessionManager) {
+            // TODO: before enabling this, fix the bootstrap problem of opening
+            // the first main window if no sessions exist yet
+
+            showmainWindow = false;
+            kisPart->showSessionManager();
+        } else if (sessionMode == KisConfig::SOS_PreviousSession) {
+            if (!kisPart->restorePreviousSession()) {
+                kisPart->startBlankSession();
+            }
+        } else {
+            kisPart->startBlankSession();
+        }
 
         if (showmainWindow) {
-            m_mainWindow->initializeGeometry();
+            m_mainWindow = kisPart->currentMainwindow();
 
             if (!args.workspace().isEmpty()) {
                 KoResourceServer<KisWorkspaceResource> * rserver = KisResourceServerProvider::instance()->workspaceServer();
                 KisWorkspaceResource* workspace = rserver->resourceByName(args.workspace());
                 if (workspace) {
                     m_mainWindow->restoreWorkspace(workspace->dockerState());
                 }
             }
 
             if (args.canvasOnly()) {
                 m_mainWindow->viewManager()->switchCanvasOnly(true);
             }
 
             if (args.fullScreen()) {
                 m_mainWindow->showFullScreen();
             }
-            else {
-                m_mainWindow->show();
-            }
+        } else {
+            m_mainWindow = kisPart->createMainWindow();
         }
     }
     short int numberOfOpenDocuments = 0; // number of documents open
 
     // Check for autosave files that can be restored, if we're not running a batchrun (test, print, export to pdf)
     if (!m_batchRun) {
         checkAutosaveFiles();
     }
 
     setSplashScreenLoadingText(QString()); // done loading, so clear out label
     processEvents();
 
     //configure the unit manager
     KisSpinBoxUnitManagerFactory::setDefaultUnitManagerBuilder(new KisDocumentAwareSpinBoxUnitManagerBuilder());
     connect(this, &KisApplication::aboutToQuit, &KisSpinBoxUnitManagerFactory::clearUnitManagerBuilder); //ensure the builder is destroyed when the application leave.
     //the new syntax slot syntax allow to connect to a non q_object static method.
 
 
     // Create a new image, if needed
     if (doNewImage) {
         KisDocument *doc = args.image();
         if (doc) {
-            KisPart::instance()->addDocument(doc);
+            kisPart->addDocument(doc);
             m_mainWindow->addViewAndNotifyLoadingCompleted(doc);
         }
     }
 
     // Get the command line arguments which we have to parse
     int argsCount = args.filenames().count();
     if (argsCount > 0) {
         // Loop through arguments
         short int nPrinted = 0;
         for (int argNumber = 0; argNumber < argsCount; argNumber++) {
             QString fileName = args.filenames().at(argNumber);
             // are we just trying to open a template?
             if (doTemplate) {
                 // called in mix with batch options? ignore and silently skip
                 if (m_batchRun) {
                     continue;
                 }
                 if (createNewDocFromTemplate(fileName, m_mainWindow)) {
                     ++numberOfOpenDocuments;
                 }
                 // now try to load
             }
             else {
                 if (exportAs) {
                     QString outputMimetype = KisMimeDatabase::mimeTypeForFile(exportFileName, false);
                     if (outputMimetype == "application/octetstream") {
                         dbgKrita << i18n("Mimetype not found, try using the -mimetype option") << endl;
                         return 1;
                     }
 
-                    KisDocument *doc = KisPart::instance()->createDocument();
+                    KisDocument *doc = kisPart->createDocument();
                     doc->setFileBatchMode(m_batchRun);
                     doc->openUrl(QUrl::fromLocalFile(fileName));
 
                     qApp->processEvents(); // For vector layers to be updated
 
                     doc->setFileBatchMode(true);
                     if (!doc->exportDocumentSync(QUrl::fromLocalFile(exportFileName), outputMimetype.toLatin1())) {
                         dbgKrita << "Could not export " << fileName << "to" << exportFileName << ":" << doc->errorMessage();
                     }
                     nPrinted++;
                     QTimer::singleShot(0, this, SLOT(quit()));
                 }
                 else if (m_mainWindow) {
                     KisMainWindow::OpenFlags flags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
                     if (m_mainWindow->openDocument(QUrl::fromLocalFile(fileName), flags)) {
                         if (print) {
                             m_mainWindow->slotFilePrint();
                             nPrinted++;
                             // TODO: trigger closing of app once printing is done
                         }
                         else if (exportAsPdf) {
                             KisPrintJob *job = m_mainWindow->exportToPdf(exportFileName);
                             if (job)
                                 connect (job, SIGNAL(destroyed(QObject*)), m_mainWindow,
                                          SLOT(slotFileQuit()), Qt::QueuedConnection);
                             nPrinted++;
                         } else {
                             // Normal case, success
                             numberOfOpenDocuments++;
                         }
                     } else {
                         // .... if failed
                         // delete doc; done by openDocument
                     }
                 }
             }
         }
 
         if (m_batchRun) {
             return nPrinted > 0;
         }
     }
 
     // fixes BUG:369308  - Krita crashing on splash screen when loading.
     // trying to open a file before Krita has loaded can cause it to hang and crash
     if (d->splashScreen) {
         d->splashScreen->displayLinks(true);
         d->splashScreen->displayRecentFiles(true);
     }
 
 
     // not calling this before since the program will quit there.
     return true;
 }
 
 KisApplication::~KisApplication()
 {
     delete d;
 }
 
 void KisApplication::setSplashScreen(QWidget *splashScreen)
 {
     d->splashScreen = qobject_cast<KisSplashScreen*>(splashScreen);
 }
 
 void KisApplication::setSplashScreenLoadingText(QString textToLoad)
 {
     if (d->splashScreen) {
        //d->splashScreen->loadingLabel->setText(textToLoad);
         d->splashScreen->setLoadingText(textToLoad);
         d->splashScreen->repaint();
     }
 }
 
 void KisApplication::hideSplashScreen()
 {
     if (d->splashScreen) {
         // hide the splashscreen to see the dialog
         d->splashScreen->hide();
     }
 }
 
 bool KisApplication::notify(QObject *receiver, QEvent *event)
 {
     try {
         return QApplication::notify(receiver, event);
     } catch (std::exception &e) {
         qWarning("Error %s sending event %i to object %s",
                  e.what(), event->type(), qPrintable(receiver->objectName()));
     } catch (...) {
         qWarning("Error <unknown> sending event %i to object %s",
                  event->type(), qPrintable(receiver->objectName()));
     }
     return false;
 }
 
 
 void KisApplication::remoteArguments(QByteArray message, QObject *socket)
 {
     Q_UNUSED(socket);
 
     // check if we have any mainwindow
     KisMainWindow *mw = qobject_cast<KisMainWindow*>(qApp->activeWindow());
     if (!mw) {
         mw = KisPart::instance()->mainWindows().first();
     }
 
     if (!mw) {
         return;
     }
 
     KisApplicationArguments args = KisApplicationArguments::deserialize(message);
     const bool doTemplate = args.doTemplate();
     const int argsCount = args.filenames().count();
 
     if (argsCount > 0) {
         // Loop through arguments
         for (int argNumber = 0; argNumber < argsCount; ++argNumber) {
             QString filename = args.filenames().at(argNumber);
             // are we just trying to open a template?
             if (doTemplate) {
                 createNewDocFromTemplate(filename, mw);
             }
             else if (QFile(filename).exists()) {
                 KisMainWindow::OpenFlags flags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
                 mw->openDocument(QUrl::fromLocalFile(filename), flags);
             }
         }
     }
 }
 
 void KisApplication::fileOpenRequested(const QString &url)
 {
     KisMainWindow *mainWindow = KisPart::instance()->mainWindows().first();
     if (mainWindow) {
         KisMainWindow::OpenFlags flags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
         mainWindow->openDocument(QUrl::fromLocalFile(url), flags);
     }
 }
 
 
 void KisApplication::checkAutosaveFiles()
 {
     if (m_batchRun) return;
 
     // Check for autosave files from a previous run. There can be several, and
     // we want to offer a restore for every one. Including a nice thumbnail!
 
     QStringList filters;
     filters << QString(".krita-*-*-autosave.kra");
 
 #ifdef Q_OS_WIN
     QDir dir = QDir::temp();
 #else
     QDir dir = QDir::home();
 #endif
 
     // all autosave files for our application
     QStringList autosaveFiles = dir.entryList(filters, QDir::Files | QDir::Hidden);
 
     // Allow the user to make their selection
     if (autosaveFiles.size() > 0) {
         if (d->splashScreen) {
             // hide the splashscreen to see the dialog
             d->splashScreen->hide();
         }
         m_autosaveDialog = new KisAutoSaveRecoveryDialog(autosaveFiles, activeWindow());
         QDialog::DialogCode result = (QDialog::DialogCode) m_autosaveDialog->exec();
 
         if (result == QDialog::Accepted) {
             QStringList filesToRecover = m_autosaveDialog->recoverableFiles();
             Q_FOREACH (const QString &autosaveFile, autosaveFiles) {
                 if (!filesToRecover.contains(autosaveFile)) {
                     QFile::remove(dir.absolutePath() + "/" + autosaveFile);
                 }
             }
             autosaveFiles = filesToRecover;
         } else {
             autosaveFiles.clear();
         }
 
         if (autosaveFiles.size() > 0) {
             QList<QUrl> autosaveUrls;
             Q_FOREACH (const QString &autoSaveFile, autosaveFiles) {
                 const QUrl url = QUrl::fromLocalFile(dir.absolutePath() + QLatin1Char('/') + autoSaveFile);
                 autosaveUrls << url;
             }
             if (m_mainWindow) {
                 Q_FOREACH (const QUrl &url, autosaveUrls) {
                     KisMainWindow::OpenFlags flags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
                     m_mainWindow->openDocument(url, flags | KisMainWindow::RecoveryFile);
                 }
             }
         }
         // cleanup
         delete m_autosaveDialog;
         m_autosaveDialog = nullptr;
     }
 }
 
 bool KisApplication::createNewDocFromTemplate(const QString &fileName, KisMainWindow *mainWindow)
 {
     QString templatePath;
 
     const QUrl templateUrl = QUrl::fromLocalFile(fileName);
     if (QFile::exists(fileName)) {
         templatePath = templateUrl.toLocalFile();
         dbgUI << "using full path...";
     }
     else {
         QString desktopName(fileName);
         const QString templatesResourcePath =  QStringLiteral("templates/");
 
         QStringList paths = KoResourcePaths::findAllResources("data", templatesResourcePath + "*/" + desktopName);
         if (paths.isEmpty()) {
             paths = KoResourcePaths::findAllResources("data", templatesResourcePath + desktopName);
         }
 
         if (paths.isEmpty()) {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"),
                                   i18n("No template found for: %1", desktopName));
         } else if (paths.count() > 1) {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"),
                                   i18n("Too many templates found for: %1", desktopName));
         } else {
             templatePath = paths.at(0);
         }
     }
 
     if (!templatePath.isEmpty()) {
         QUrl templateBase;
         templateBase.setPath(templatePath);
         KDesktopFile templateInfo(templatePath);
 
         QString templateName = templateInfo.readUrl();
         QUrl templateURL;
         templateURL.setPath(templateBase.adjusted(QUrl::RemoveFilename|QUrl::StripTrailingSlash).path() + '/' + templateName);
 
         KisMainWindow::OpenFlags batchFlags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
         if (mainWindow->openDocument(templateURL, KisMainWindow::Import | batchFlags)) {
             dbgUI << "Template loaded...";
             return true;
         }
         else {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"),
                                   i18n("Template %1 failed to load.", templateURL.toDisplayString()));
         }
     }
 
     return false;
 }
 
 void KisApplication::clearConfig()
 {
     KIS_ASSERT_RECOVER_RETURN(qApp->thread() == QThread::currentThread());
 
     KSharedConfigPtr config =  KSharedConfig::openConfig();
 
     // find user settings file
     bool createDir = false;
     QString kritarcPath = KoResourcePaths::locateLocal("config", "kritarc", createDir);
 
     QFile configFile(kritarcPath);
     if (configFile.exists()) {
         // clear file
         if (configFile.open(QFile::WriteOnly)) {
             configFile.close();
         }
         else {
             QMessageBox::warning(0,
                                  i18nc("@title:window", "Krita"),
                                  i18n("Failed to clear %1\n\n"
                                       "Please make sure no other program is using the file and try again.",
                                       kritarcPath),
                                  QMessageBox::Ok, QMessageBox::Ok);
         }
     }
 
     // reload from disk; with the user file settings cleared,
     // this should load any default configuration files shipping with the program
     config->reparseConfiguration();
     config->sync();
 }
 
 void KisApplication::askClearConfig()
 {
     Qt::KeyboardModifiers mods = QApplication::queryKeyboardModifiers();
     bool askClearConfig = (mods & Qt::ControlModifier) && (mods & Qt::ShiftModifier) && (mods & Qt::AltModifier);
 
     if (askClearConfig) {
         bool ok = QMessageBox::question(0,
                                         i18nc("@title:window", "Krita"),
                                         i18n("Do you want to clear the settings file?"),
                                         QMessageBox::Yes | QMessageBox::No, QMessageBox::No) == QMessageBox::Yes;
         if (ok) {
             clearConfig();
         }
     }
 }
diff --git a/libs/ui/KisMainWindow.cpp b/libs/ui/KisMainWindow.cpp
index c33728bb98..27b6d90d84 100644
--- a/libs/ui/KisMainWindow.cpp
+++ b/libs/ui/KisMainWindow.cpp
@@ -1,2503 +1,2519 @@
 /* This file is part of the KDE project
    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
    Copyright (C) 2000-2006 David Faure <faure@kde.org>
    Copyright (C) 2007, 2009 Thomas zander <zander@kde.org>
    Copyright (C) 2010 Benjamin Port <port.benjamin@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "KisMainWindow.h"
 
 #include <KoConfig.h>
 
 // qt includes
 #include <QApplication>
 #include <QByteArray>
 #include <QCloseEvent>
 #include <QStandardPaths>
 #include <QDesktopServices>
 #include <QDesktopServices>
 #include <QDesktopWidget>
 #include <QDialog>
 #include <QDockWidget>
 #include <QIcon>
 #include <QInputDialog>
 #include <QLabel>
 #include <QLayout>
 #include <QMdiArea>
 #include <QMdiSubWindow>
 #include <QMutex>
 #include <QMutexLocker>
 #include <QPointer>
 #include <QPrintDialog>
 #include <QPrinter>
 #include <QPrintPreviewDialog>
 #include <QToolButton>
 #include <QSignalMapper>
 #include <QTabBar>
 #include <QMoveEvent>
 #include <QUrl>
 #include <QMessageBox>
 #include <QTemporaryFile>
 #include <QStatusBar>
 #include <QMenu>
 #include <QMenuBar>
 #include <KisMimeDatabase.h>
 #include <QMimeData>
 
 #include <kactioncollection.h>
 #include <QAction>
 #include <kactionmenu.h>
 #include <kis_debug.h>
 #include <kedittoolbar.h>
 #include <khelpmenu.h>
 #include <klocalizedstring.h>
 #include <kaboutdata.h>
 #include <kis_workspace_resource.h>
 #include <input/kis_input_manager.h>
 
 #ifdef HAVE_KIO
 #include <krecentdocument.h>
 #endif
 #include <krecentfilesaction.h>
 #include <KoResourcePaths.h>
 #include <ktoggleaction.h>
 #include <ktoolbar.h>
 #include <kmainwindow.h>
 #include <kxmlguiwindow.h>
 #include <kxmlguifactory.h>
 #include <kxmlguiclient.h>
 #include <kguiitem.h>
 #include <kwindowconfig.h>
 
 #include "KoDockFactoryBase.h"
 #include "KoDockWidgetTitleBar.h"
 #include "KoDocumentInfoDlg.h"
 #include "KoDocumentInfo.h"
 #include "KoFileDialog.h"
 #include <kis_icon.h>
 #include <KoPageLayoutDialog.h>
 #include <KoPageLayoutWidget.h>
 #include <KoToolManager.h>
 #include <KoZoomController.h>
 #include "KoToolDocker.h"
 #include <KoToolBoxFactory.h>
 #include <KoDockRegistry.h>
 #include <KoPluginLoader.h>
 #include <KoColorSpaceEngine.h>
 #include <KoUpdater.h>
 #include <KoResourceModel.h>
 
 #include <KisMimeDatabase.h>
 #include <brushengine/kis_paintop_settings.h>
 #include "dialogs/kis_about_application.h"
 #include "dialogs/kis_delayed_save_dialog.h"
 #include "dialogs/kis_dlg_preferences.h"
 #include "kis_action.h"
 #include "kis_action_manager.h"
 #include "KisApplication.h"
 #include "kis_canvas2.h"
 #include "kis_canvas_controller.h"
 #include "kis_canvas_resource_provider.h"
 #include "kis_clipboard.h"
 #include "kis_config.h"
 #include "kis_config_notifier.h"
 #include "kis_custom_image_widget.h"
 #include <KisDocument.h>
 #include "KisDocument.h"
 #include "KisDocument.h"
 #include "kis_group_layer.h"
 #include "kis_icon_utils.h"
 #include "kis_image_from_clipboard_widget.h"
 #include "kis_image.h"
 #include <KisImportExportFilter.h>
 #include "KisImportExportManager.h"
 #include "kis_mainwindow_observer.h"
 #include "kis_memory_statistics_server.h"
 #include "kis_node.h"
 #include "KisOpenPane.h"
 #include "kis_paintop_box.h"
 #include "KisPart.h"
 #include "KisPrintJob.h"
 #include "kis_resource_server_provider.h"
 #include "kis_signal_compressor_with_param.h"
 #include "kis_statusbar.h"
 #include "KisView.h"
 #include "KisViewManager.h"
 #include "thememanager.h"
 #include "kis_animation_importer.h"
 #include "dialogs/kis_dlg_import_image_sequence.h"
 #include <KisUpdateSchedulerConfigNotifier.h>
 
 #include <mutex>
 
 #ifdef Q_OS_WIN
   #include <QtPlatformHeaders/QWindowsWindowFunctions>
 #endif
 
 class ToolDockerFactory : public KoDockFactoryBase
 {
 public:
     ToolDockerFactory() : KoDockFactoryBase() { }
 
     QString id() const override {
         return "sharedtooldocker";
     }
 
     QDockWidget* createDockWidget() override {
         KoToolDocker* dockWidget = new KoToolDocker();
         dockWidget->setTabEnabled(false);
         return dockWidget;
     }
 
     DockPosition defaultDockPosition() const override {
         return DockRight;
     }
 };
 
 class Q_DECL_HIDDEN KisMainWindow::Private
 {
 public:
-    Private(KisMainWindow *parent)
+    Private(KisMainWindow *parent, QUuid id)
         : q(parent)
+        , id(id)
         , dockWidgetMenu(new KActionMenu(i18nc("@action:inmenu", "&Dockers"), parent))
         , windowMenu(new KActionMenu(i18nc("@action:inmenu", "&Window"), parent))
         , documentMenu(new KActionMenu(i18nc("@action:inmenu", "New &View"), parent))
         , workspaceMenu(new KActionMenu(i18nc("@action:inmenu", "Wor&kspace"), parent))
         , mdiArea(new QMdiArea(parent))
         , windowMapper(new QSignalMapper(parent))
         , documentMapper(new QSignalMapper(parent))
     {
+        if (id.isNull()) this->id = QUuid::createUuid();
         mdiArea->setTabsMovable(true);
     }
 
     ~Private() {
         qDeleteAll(toolbarList);
     }
 
     KisMainWindow *q {0};
+    QUuid id;
+
     KisViewManager *viewManager {0};
 
     QPointer<KisView> activeView;
 
     QList<QAction *> toolbarList;
 
     bool firstTime {true};
     bool windowSizeDirty {false};
     bool readOnly {false};
-    bool noCleanup {false};
 
     KisAction *showDocumentInfo {0};
     KisAction *saveAction {0};
     KisAction *saveActionAs {0};
 //    KisAction *printAction;
 //    KisAction *printActionPreview;
 //    KisAction *exportPdf {0};
     KisAction *importAnimation {0};
     KisAction *closeAll {0};
 //    KisAction *reloadFile;
     KisAction *importFile {0};
     KisAction *exportFile {0};
     KisAction *undo {0};
     KisAction *redo {0};
     KisAction *newWindow {0};
     KisAction *close {0};
     KisAction *mdiCascade {0};
     KisAction *mdiTile {0};
     KisAction *mdiNextWindow {0};
     KisAction *mdiPreviousWindow {0};
     KisAction *toggleDockers {0};
     KisAction *toggleDockerTitleBars {0};
     KisAction *fullScreenMode {0};
+    KisAction *showSessionManager {0};
 
     KisAction *expandingSpacers[2];
 
     KActionMenu *dockWidgetMenu;
     KActionMenu *windowMenu;
     KActionMenu *documentMenu;
     KActionMenu *workspaceMenu;
 
     KHelpMenu *helpMenu  {0};
 
     KRecentFilesAction *recentFiles {0};
     KoResourceModel *workspacemodel {0};
 
     QString lastExportLocation;
 
     QMap<QString, QDockWidget *> dockWidgetsMap;
-    QMap<QDockWidget *, bool> dockWidgetVisibilityMap;
     QByteArray dockerStateBeforeHiding;
     KoToolDocker *toolOptionsDocker {0};
 
     QCloseEvent *deferredClosingEvent {0};
 
     Digikam::ThemeManager *themeManager {0};
 
     QMdiArea *mdiArea;
     QMdiSubWindow *activeSubWindow  {0};
     QSignalMapper *windowMapper;
     QSignalMapper *documentMapper;
 
     QByteArray lastExportedFormat;
     QScopedPointer<KisSignalCompressorWithParam<int> > tabSwitchCompressor;
     QMutex savingEntryMutex;
 
+    KConfigGroup windowStateConfig;
+
     KisActionManager * actionManager() {
         return viewManager->actionManager();
     }
 
     QTabBar* findTabBarHACK() {
         QObjectList objects = mdiArea->children();
         Q_FOREACH (QObject *object, objects) {
             QTabBar *bar = qobject_cast<QTabBar*>(object);
             if (bar) {
                 return bar;
             }
         }
         return 0;
     }
 };
 
-KisMainWindow::KisMainWindow()
+KisMainWindow::KisMainWindow(QUuid uuid)
     : KXmlGuiWindow()
-    , d(new Private(this))
+    , d(new Private(this, uuid))
 {
     auto rserver = KisResourceServerProvider::instance()->workspaceServer(false);
     QSharedPointer<KoAbstractResourceServerAdapter> adapter(new KoResourceServerAdapter<KisWorkspaceResource>(rserver));
     d->workspacemodel = new KoResourceModel(adapter, this);
     connect(d->workspacemodel, &KoResourceModel::afterResourcesLayoutReset, this, [&]() { updateWindowMenu(); });
 
     KisConfig cfg;
 
     d->viewManager = new KisViewManager(this, actionCollection());
     KConfigGroup group( KSharedConfig::openConfig(), "theme");
     d->themeManager = new Digikam::ThemeManager(group.readEntry("Theme", "Krita dark"), this);
 
+    d->windowStateConfig = KSharedConfig::openConfig()->group("MainWindow");
+
     setAcceptDrops(true);
     setStandardToolBarMenuEnabled(true);
     setTabPosition(Qt::AllDockWidgetAreas, QTabWidget::North);
     setDockNestingEnabled(true);
 
     qApp->setStartDragDistance(25);     // 25 px is a distance that works well for Tablet and Mouse events
 
 #ifdef Q_OS_OSX
     setUnifiedTitleAndToolBarOnMac(true);
 #endif
 
     connect(this, SIGNAL(restoringDone()), this, SLOT(forceDockTabFonts()));
     connect(this, SIGNAL(themeChanged()), d->viewManager, SLOT(updateIcons()));
     connect(KisPart::instance(), SIGNAL(documentClosed(QString)), SLOT(updateWindowMenu()));
     connect(KisPart::instance(), SIGNAL(documentOpened(QString)), SLOT(updateWindowMenu()));
     connect(KisConfigNotifier::instance(), SIGNAL(configChanged()), this, SLOT(configChanged()));
 
     actionCollection()->addAssociatedWidget(this);
 
     KoPluginLoader::instance()->load("Krita/ViewPlugin", "Type == 'Service' and ([X-Krita-Version] == 28)", KoPluginLoader::PluginsConfig(), d->viewManager);
 
     KoToolBoxFactory toolBoxFactory;
     QDockWidget *toolbox = createDockWidget(&toolBoxFactory);
     toolbox->setFeatures(QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
 
     if (cfg.toolOptionsInDocker()) {
         ToolDockerFactory toolDockerFactory;
         d->toolOptionsDocker = qobject_cast<KoToolDocker*>(createDockWidget(&toolDockerFactory));
         d->toolOptionsDocker->toggleViewAction()->setEnabled(true);
     }
 
     QMap<QString, QAction*> dockwidgetActions;
     dockwidgetActions[toolbox->toggleViewAction()->text()] = toolbox->toggleViewAction();
     Q_FOREACH (const QString & docker, KoDockRegistry::instance()->keys()) {
         KoDockFactoryBase *factory = KoDockRegistry::instance()->value(docker);
         QDockWidget *dw = createDockWidget(factory);
         dockwidgetActions[dw->toggleViewAction()->text()] = dw->toggleViewAction();
     }
 
     if (d->toolOptionsDocker) {
         dockwidgetActions[d->toolOptionsDocker->toggleViewAction()->text()] = d->toolOptionsDocker->toggleViewAction();
     }
     connect(KoToolManager::instance(), SIGNAL(toolOptionWidgetsChanged(KoCanvasController*, QList<QPointer<QWidget> >)), this, SLOT(newOptionWidgets(KoCanvasController*, QList<QPointer<QWidget> >)));
 
     Q_FOREACH (QString title, dockwidgetActions.keys()) {
         d->dockWidgetMenu->addAction(dockwidgetActions[title]);
     }
 
 
     Q_FOREACH (QDockWidget *wdg, dockWidgets()) {
         if ((wdg->features() & QDockWidget::DockWidgetClosable) == 0) {
             wdg->setVisible(true);
         }
     }
 
     Q_FOREACH (KoCanvasObserverBase* observer, canvasObservers()) {
         observer->setObservedCanvas(0);
         KisMainwindowObserver* mainwindowObserver = dynamic_cast<KisMainwindowObserver*>(observer);
         if (mainwindowObserver) {
             mainwindowObserver->setMainWindow(d->viewManager);
         }
     }
 
     d->mdiArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
     d->mdiArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
     d->mdiArea->setTabPosition(QTabWidget::North);
     d->mdiArea->setTabsClosable(true);
 
     setCentralWidget(d->mdiArea);
 
     connect(d->mdiArea, SIGNAL(subWindowActivated(QMdiSubWindow*)), this, SLOT(subWindowActivated()));
     connect(d->windowMapper, SIGNAL(mapped(QWidget*)), this, SLOT(setActiveSubWindow(QWidget*)));
     connect(d->documentMapper, SIGNAL(mapped(QObject*)), this, SLOT(newView(QObject*)));
 
     createActions();
 
-    setAutoSaveSettings("krita", false);
-
+    setAutoSaveSettings(d->windowStateConfig, false);
 
     subWindowActivated();
     updateWindowMenu();
 
 
     if (isHelpMenuEnabled() && !d->helpMenu) {
         // workaround for KHelpMenu (or rather KAboutData::applicationData()) internally
         // not using the Q*Application metadata ATM, which results e.g. in the bugreport wizard
         // not having the app version preset
         // fixed hopefully in KF5 5.22.0, patch pending
         QGuiApplication *app = qApp;
         KAboutData aboutData(app->applicationName(), app->applicationDisplayName(), app->applicationVersion());
         aboutData.setOrganizationDomain(app->organizationDomain().toUtf8());
         d->helpMenu = new KHelpMenu(this, aboutData, false);
         // workaround-less version:
         // d->helpMenu = new KHelpMenu(this, QString()/*unused*/, false);
 
         // The difference between using KActionCollection->addAction() is that
         // these actions do not get tied to the MainWindow.  What does this all do?
         KActionCollection *actions = d->viewManager->actionCollection();
         QAction *helpContentsAction = d->helpMenu->action(KHelpMenu::menuHelpContents);
         QAction *whatsThisAction = d->helpMenu->action(KHelpMenu::menuWhatsThis);
         QAction *reportBugAction = d->helpMenu->action(KHelpMenu::menuReportBug);
         QAction *switchLanguageAction = d->helpMenu->action(KHelpMenu::menuSwitchLanguage);
         QAction *aboutAppAction = d->helpMenu->action(KHelpMenu::menuAboutApp);
         QAction *aboutKdeAction = d->helpMenu->action(KHelpMenu::menuAboutKDE);
 
         if (helpContentsAction) {
             actions->addAction(helpContentsAction->objectName(), helpContentsAction);
         }
         if (whatsThisAction) {
             actions->addAction(whatsThisAction->objectName(), whatsThisAction);
         }
         if (reportBugAction) {
             actions->addAction(reportBugAction->objectName(), reportBugAction);
         }
         if (switchLanguageAction) {
             actions->addAction(switchLanguageAction->objectName(), switchLanguageAction);
         }
         if (aboutAppAction) {
             actions->addAction(aboutAppAction->objectName(), aboutAppAction);
         }
         if (aboutKdeAction) {
             actions->addAction(aboutKdeAction->objectName(), aboutKdeAction);
         }
 
         connect(d->helpMenu, SIGNAL(showAboutApplication()), SLOT(showAboutApplication()));
     }
 
     // KDE' libs 4''s help contents action is broken outside kde, for some reason... We can handle it just as easily ourselves
     QAction *helpAction = actionCollection()->action("help_contents");
     helpAction->disconnect();
     connect(helpAction, SIGNAL(triggered()), this, SLOT(showManual()));
 
 
 #if 0
     //check for colliding shortcuts
     QSet<QKeySequence> existingShortcuts;
     Q_FOREACH (QAction* action, actionCollection()->actions()) {
         if(action->shortcut() == QKeySequence(0)) {
             continue;
         }
         dbgKrita << "shortcut " << action->text() << " " << action->shortcut();
         Q_ASSERT(!existingShortcuts.contains(action->shortcut()));
         existingShortcuts.insert(action->shortcut());
     }
 #endif
 
     configChanged();
 
     // If we have customized the toolbars, load that first
     setLocalXMLFile(KoResourcePaths::locateLocal("data", "krita4.xmlgui"));
     setXMLFile(":/kxmlgui5/krita4.xmlgui");
 
     guiFactory()->addClient(this);
 
     // Create and plug toolbar list for Settings menu
     QList<QAction *> toolbarList;
     Q_FOREACH (QWidget* it, guiFactory()->containers("ToolBar")) {
         KToolBar * toolBar = ::qobject_cast<KToolBar *>(it);
 
         if (toolBar) {
             if (toolBar->objectName() == "BrushesAndStuff") {
                 toolBar->setEnabled(false);
             }
 
             KToggleAction* act = new KToggleAction(i18n("Show %1 Toolbar", toolBar->windowTitle()), this);
             actionCollection()->addAction(toolBar->objectName().toUtf8(), act);
             act->setCheckedState(KGuiItem(i18n("Hide %1 Toolbar", toolBar->windowTitle())));
             connect(act, SIGNAL(toggled(bool)), this, SLOT(slotToolbarToggled(bool)));
             act->setChecked(!toolBar->isHidden());
             toolbarList.append(act);
         } else {
             warnUI << "Toolbar list contains a " << it->metaObject()->className() << " which is not a toolbar!";
         }
     }
     plugActionList("toolbarlist", toolbarList);
     d->toolbarList = toolbarList;
 
     applyToolBarLayout();
 
     d->viewManager->updateGUI();
     d->viewManager->updateIcons();
 
 #ifdef Q_OS_WIN
     auto w = qApp->activeWindow();
     if (w) QWindowsWindowFunctions::setHasBorderInFullScreen(w->windowHandle(), true);
 #endif
 
     QTimer::singleShot(1000, this, SLOT(checkSanity()));
 
     {
         using namespace std::placeholders; // For _1 placeholder
         std::function<void (int)> callback(
             std::bind(&KisMainWindow::switchTab, this, _1));
 
         d->tabSwitchCompressor.reset(
             new KisSignalCompressorWithParam<int>(500, callback, KisSignalCompressor::FIRST_INACTIVE));
     }
 }
 
-void KisMainWindow::setNoCleanup(bool noCleanup)
-{
-    d->noCleanup = noCleanup;
-}
-
 KisMainWindow::~KisMainWindow()
 {
 //    Q_FOREACH (QAction *ac, actionCollection()->actions()) {
 //        QAction *action = qobject_cast<QAction*>(ac);
 //        if (action) {
 //        dbgKrita << "<Action"
 //                 << "name=" << action->objectName()
 //                 << "icon=" << action->icon().name()
 //                 << "text="  << action->text().replace("&", "&amp;")
 //                 << "whatsThis="  << action->whatsThis()
 //                 << "toolTip="  << action->toolTip().replace("<html>", "").replace("</html>", "")
 //                 << "iconText="  << action->iconText().replace("&", "&amp;")
 //                 << "shortcut="  << action->shortcut(QAction::ActiveShortcut).toString()
 //                 << "defaultShortcut="  << action->shortcut(QAction::DefaultShortcut).toString()
 //                 << "isCheckable="  << QString((action->isChecked() ? "true" : "false"))
 //                 << "statusTip=" << action->statusTip()
 //                 << "/>"   ;
 //        }
 //        else {
 //            dbgKrita << "Got a QAction:" << ac->objectName();
 //        }
 
 //    }
 
     // The doc and view might still exist (this is the case when closing the window)
     KisPart::instance()->removeMainWindow(this);
 
-    if (d->noCleanup)
-        return;
-
     delete d->viewManager;
     delete d;
 
 }
 
+QUuid KisMainWindow::id() const {
+    return d->id;
+}
+
 void KisMainWindow::addView(KisView *view)
 {
     if (d->activeView == view) return;
 
     if (d->activeView) {
         d->activeView->disconnect(this);
     }
 
     // register the newly created view in the input manager
     viewManager()->inputManager()->addTrackedCanvas(view->canvasBase());
 
     showView(view);
     updateCaption();
     emit restoringDone();
 
     if (d->activeView) {
         connect(d->activeView, SIGNAL(titleModified(QString,bool)), SLOT(slotDocumentTitleModified()));
         connect(d->viewManager->statusBar(), SIGNAL(memoryStatusUpdated()), this, SLOT(updateCaption()));
     }
 }
 
 void KisMainWindow::notifyChildViewDestroyed(KisView *view)
 {
     viewManager()->inputManager()->removeTrackedCanvas(view->canvasBase());
     if (view->canvasBase() == viewManager()->canvasBase()) {
         viewManager()->setCurrentView(0);
     }
 }
 
 
 void KisMainWindow::showView(KisView *imageView)
 {
     if (imageView && activeView() != imageView) {
         // XXX: find a better way to initialize this!
         imageView->setViewManager(d->viewManager);
 
         imageView->canvasBase()->setFavoriteResourceManager(d->viewManager->paintOpBox()->favoriteResourcesManager());
         imageView->slotLoadingFinished();
 
         QMdiSubWindow *subwin = d->mdiArea->addSubWindow(imageView);
+        imageView->setSubWindow(subwin);
         subwin->setAttribute(Qt::WA_DeleteOnClose, true);
         connect(subwin, SIGNAL(destroyed()), SLOT(updateWindowMenu()));
 
         KisConfig cfg;
         subwin->setOption(QMdiSubWindow::RubberBandMove, cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
         subwin->setOption(QMdiSubWindow::RubberBandResize, cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
         subwin->setWindowIcon(qApp->windowIcon());
 
         /**
          * Hack alert!
          *
          * Here we explicitly request KoToolManager to emit all the tool
          * activation signals, to reinitialize the tool options docker.
          *
          * That is needed due to a design flaw we have in the
          * initialization procedure.  The tool in the KoToolManager is
          * initialized in KisView::setViewManager() calls, which
          * happens early enough. During this call the tool manager
          * requests KoCanvasControllerWidget to emit the signal to
          * update the widgets in the tool docker. *But* at that moment
          * of time the view is not yet connected to the main window,
          * because it happens in KisViewManager::setCurrentView a bit
          * later. This fact makes the widgets updating signals be lost
          * and never reach the tool docker.
          *
          * So here we just explicitly call the tool activation stub.
          */
 
         KoToolManager::instance()->initializeCurrentToolForCanvas();
 
         if (d->mdiArea->subWindowList().size() == 1) {
             imageView->showMaximized();
         }
         else {
             imageView->show();
         }
 
         // No, no, no: do not try to call this _before_ the show() has
         // been called on the view; only when that has happened is the
         // opengl context active, and very bad things happen if we tell
         // the dockers to update themselves with a view if the opengl
         // context is not active.
         setActiveView(imageView);
 
         updateWindowMenu();
         updateCaption();
     }
 }
 
 void KisMainWindow::slotPreferences()
 {
     if (KisDlgPreferences::editPreferences()) {
         KisConfigNotifier::instance()->notifyConfigChanged();
         KisConfigNotifier::instance()->notifyPixelGridModeChanged();
         KisUpdateSchedulerConfigNotifier::instance()->notifyConfigChanged();
 
         // XXX: should this be changed for the views in other windows as well?
         Q_FOREACH (QPointer<KisView> koview, KisPart::instance()->views()) {
             KisViewManager *view = qobject_cast<KisViewManager*>(koview);
             if (view) {
                 // Update the settings for all nodes -- they don't query
                 // KisConfig directly because they need the settings during
                 // compositing, and they don't connect to the config notifier
                 // because nodes are not QObjects (because only one base class
                 // can be a QObject).
                 KisNode* node = dynamic_cast<KisNode*>(view->image()->rootLayer().data());
                 node->updateSettings();
             }
 
         }
 
         d->viewManager->showHideScrollbars();
     }
 }
 
 void KisMainWindow::slotThemeChanged()
 {
     // save theme changes instantly
     KConfigGroup group( KSharedConfig::openConfig(), "theme");
     group.writeEntry("Theme", d->themeManager->currentThemeName());
 
     // reload action icons!
     Q_FOREACH (QAction *action, actionCollection()->actions()) {
         KisIconUtils::updateIcon(action);
     }
 
     emit themeChanged();
 }
 
 void KisMainWindow::updateReloadFileAction(KisDocument *doc)
 {
     Q_UNUSED(doc);
 //    d->reloadFile->setEnabled(doc && !doc->url().isEmpty());
 }
 
 void KisMainWindow::setReadWrite(bool readwrite)
 {
     d->saveAction->setEnabled(readwrite);
     d->importFile->setEnabled(readwrite);
     d->readOnly = !readwrite;
     updateCaption();
 }
 
 void KisMainWindow::addRecentURL(const QUrl &url)
 {
     // Add entry to recent documents list
     // (call coming from KisDocument because it must work with cmd line, template dlg, file/open, etc.)
     if (!url.isEmpty()) {
         bool ok = true;
         if (url.isLocalFile()) {
             QString path = url.adjusted(QUrl::StripTrailingSlash).toLocalFile();
             const QStringList tmpDirs = KoResourcePaths::resourceDirs("tmp");
             for (QStringList::ConstIterator it = tmpDirs.begin() ; ok && it != tmpDirs.end() ; ++it) {
                 if (path.contains(*it)) {
                     ok = false; // it's in the tmp resource
                 }
             }
 #ifdef HAVE_KIO
             if (ok) {
                 KRecentDocument::add(QUrl::fromLocalFile(path));
             }
 #endif
         }
 #ifdef HAVE_KIO
         else {
             KRecentDocument::add(url.adjusted(QUrl::StripTrailingSlash));
         }
 #endif
         if (ok) {
             d->recentFiles->addUrl(url);
         }
         saveRecentFiles();
 
     }
 }
 
 void KisMainWindow::saveRecentFiles()
 {
     // Save list of recent files
     KSharedConfigPtr config =  KSharedConfig::openConfig();
     d->recentFiles->saveEntries(config->group("RecentFiles"));
     config->sync();
 
     // Tell all windows to reload their list, after saving
     // Doesn't work multi-process, but it's a start
     Q_FOREACH (KisMainWindow *mw, KisPart::instance()->mainWindows()) {
         if (mw != this) {
             mw->reloadRecentFileList();
         }
     }
 }
 
 void KisMainWindow::reloadRecentFileList()
 {
     d->recentFiles->loadEntries(KSharedConfig::openConfig()->group("RecentFiles"));
 }
 
 void KisMainWindow::updateCaption()
 {
     if (!d->mdiArea->activeSubWindow()) {
         updateCaption(QString(), false);
     }
     else if (d->activeView && d->activeView->document() && d->activeView->image()){
         KisDocument *doc = d->activeView->document();
 
         QString caption(doc->caption());
         if (d->readOnly) {
             caption += " [" + i18n("Write Protected") + "] ";
         }
 
         if (doc->isRecovered()) {
             caption += " [" + i18n("Recovered") + "] ";
         }
 
 
         // new documents aren't saved yet, so we don't need to say it is modified
         // new files don't have a URL, so we are using that for the check
         if (!doc->url().isEmpty()) {
 
             if ( doc->isModified()) {
                 caption += " [" + i18n("Modified") + "] ";
             }
         }
 
         // show the file size for the document
 
 
         KisMemoryStatisticsServer::Statistics m_fileSizeStats = KisMemoryStatisticsServer::instance()->fetchMemoryStatistics(d->activeView ? d->activeView->image() : 0);
 
 
         if (m_fileSizeStats.imageSize) {
             caption += QString(" (").append( KisStatusBar::formatSize(m_fileSizeStats.imageSize)).append( ")");
         }
 
 
         d->activeView->setWindowTitle(caption);
         d->activeView->setWindowModified(doc->isModified());
 
         updateCaption(caption, doc->isModified());
 
         if (!doc->url().fileName().isEmpty())
             d->saveAction->setToolTip(i18n("Save as %1", doc->url().fileName()));
         else
             d->saveAction->setToolTip(i18n("Save"));
     }
 }
 
 void KisMainWindow::updateCaption(const QString & caption, bool mod)
 {
     dbgUI << "KisMainWindow::updateCaption(" << caption << "," << mod << ")";
 #ifdef KRITA_ALPHA
     setCaption(QString("ALPHA %1: %2").arg(KRITA_ALPHA).arg(caption), mod);
     return;
 #endif
 #ifdef KRITA_BETA
     setCaption(QString("BETA %1: %2").arg(KRITA_BETA).arg(caption), mod);
     return;
 #endif
 #ifdef KRITA_RC
     setCaption(QString("RELEASE CANDIDATE %1: %2").arg(KRITA_RC).arg(caption), mod);
     return;
 #endif
 
     setCaption(caption, mod);
 }
 
 
 KisView *KisMainWindow::activeView() const
 {
     if (d->activeView) {
         return d->activeView;
     }
     return 0;
 }
 
 bool KisMainWindow::openDocument(const QUrl &url, OpenFlags flags)
 {
     if (!QFile(url.toLocalFile()).exists()) {
         if (!flags && BatchMode) {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("The file %1 does not exist.", url.url()));
         }
         d->recentFiles->removeUrl(url); //remove the file from the recent-opened-file-list
         saveRecentFiles();
         return false;
     }
     return openDocumentInternal(url, flags);
 }
 
 bool KisMainWindow::openDocumentInternal(const QUrl &url, OpenFlags flags)
 {
     if (!url.isLocalFile()) {
         qWarning() << "KisMainWindow::openDocumentInternal. Not a local file:" << url;
         return false;
     }
 
     KisDocument *newdoc = KisPart::instance()->createDocument();
 
     if (flags & BatchMode) {
         newdoc->setFileBatchMode(true);
     }
 
     d->firstTime = true;
     connect(newdoc, SIGNAL(completed()), this, SLOT(slotLoadCompleted()));
     connect(newdoc, SIGNAL(canceled(const QString &)), this, SLOT(slotLoadCanceled(const QString &)));
 
     KisDocument::OpenFlags openFlags = KisDocument::None;
     if (flags & RecoveryFile) {
         openFlags |= KisDocument::RecoveryFile;
     }
 
     bool openRet = !(flags & Import) ? newdoc->openUrl(url, openFlags) : newdoc->importDocument(url);
 
 
     if (!openRet) {
         delete newdoc;
         return false;
     }
 
     KisPart::instance()->addDocument(newdoc);
     updateReloadFileAction(newdoc);
 
     if (!QFileInfo(url.toLocalFile()).isWritable()) {
         setReadWrite(false);
     }
     return true;
 }
 
 KisView* KisMainWindow::addViewAndNotifyLoadingCompleted(KisDocument *document)
 {
     KisView *view = KisPart::instance()->createView(document, resourceManager(), actionCollection(), this);
     addView(view);
 
     emit guiLoadingFinished();
 
     return view;
 }
 
 QStringList KisMainWindow::showOpenFileDialog(bool isImporting)
 {
     KoFileDialog dialog(this, KoFileDialog::ImportFiles, "OpenDocument");
     dialog.setDefaultDir(QStandardPaths::writableLocation(QStandardPaths::PicturesLocation));
     dialog.setMimeTypeFilters(KisImportExportManager::mimeFilter(KisImportExportManager::Import));
     dialog.setCaption(isImporting ? i18n("Import Images") : i18n("Open Images"));
 
     return dialog.filenames();
 }
 
 // Separate from openDocument to handle async loading (remote URLs)
 void KisMainWindow::slotLoadCompleted()
 {
     KisDocument *newdoc = qobject_cast<KisDocument*>(sender());
     if (newdoc && newdoc->image()) {
         addViewAndNotifyLoadingCompleted(newdoc);
 
         disconnect(newdoc, SIGNAL(completed()), this, SLOT(slotLoadCompleted()));
         disconnect(newdoc, SIGNAL(canceled(const QString &)), this, SLOT(slotLoadCanceled(const QString &)));
 
         emit loadCompleted();
     }
 }
 
 void KisMainWindow::slotLoadCanceled(const QString & errMsg)
 {
     dbgUI << "KisMainWindow::slotLoadCanceled";
     if (!errMsg.isEmpty())   // empty when canceled by user
         QMessageBox::critical(this, i18nc("@title:window", "Krita"), errMsg);
     // ... can't delete the document, it's the one who emitted the signal...
 
     KisDocument* doc = qobject_cast<KisDocument*>(sender());
     Q_ASSERT(doc);
     disconnect(doc, SIGNAL(completed()), this, SLOT(slotLoadCompleted()));
     disconnect(doc, SIGNAL(canceled(const QString &)), this, SLOT(slotLoadCanceled(const QString &)));
 }
 
 void KisMainWindow::slotSaveCanceled(const QString &errMsg)
 {
     dbgUI << "KisMainWindow::slotSaveCanceled";
     if (!errMsg.isEmpty())   // empty when canceled by user
         QMessageBox::critical(this, i18nc("@title:window", "Krita"), errMsg);
     slotSaveCompleted();
 }
 
 void KisMainWindow::slotSaveCompleted()
 {
     dbgUI << "KisMainWindow::slotSaveCompleted";
     KisDocument* doc = qobject_cast<KisDocument*>(sender());
     Q_ASSERT(doc);
     disconnect(doc, SIGNAL(completed()), this, SLOT(slotSaveCompleted()));
     disconnect(doc, SIGNAL(canceled(const QString &)), this, SLOT(slotSaveCanceled(const QString &)));
 
     if (d->deferredClosingEvent) {
         KXmlGuiWindow::closeEvent(d->deferredClosingEvent);
     }
 }
 
 bool KisMainWindow::hackIsSaving() const
 {
     StdLockableWrapper<QMutex> wrapper(&d->savingEntryMutex);
     std::unique_lock<StdLockableWrapper<QMutex>> l(wrapper, std::try_to_lock);
     return !l.owns_lock();
 }
 
 bool KisMainWindow::saveDocument(KisDocument *document, bool saveas, bool isExporting)
 {
     if (!document) {
         return true;
     }
 
     /**
      * Make sure that we cannot enter this method twice!
      *
      * The lower level functions may call processEvents() so
      * double-entry is quite possible to achieve. Here we try to lock
      * the mutex, and if it is failed, just cancel saving.
      */
     StdLockableWrapper<QMutex> wrapper(&d->savingEntryMutex);
     std::unique_lock<StdLockableWrapper<QMutex>> l(wrapper, std::try_to_lock);
     if (!l.owns_lock()) return false;
 
     // no busy wait for saving because it is dangerous!
     KisDelayedSaveDialog dlg(document->image(), KisDelayedSaveDialog::SaveDialog, 0, this);
     dlg.blockIfImageIsBusy();
 
     if (dlg.result() == KisDelayedSaveDialog::Rejected) {
         return false;
     }
     else if (dlg.result() == KisDelayedSaveDialog::Ignored) {
         QMessageBox::critical(0,
                               i18nc("@title:window", "Krita"),
                               i18n("You are saving a file while the image is "
                                    "still rendering. The saved file may be "
                                    "incomplete or corrupted.\n\n"
                                    "Please select a location where the original "
                                    "file will not be overridden!"));
 
 
         saveas = true;
     }
 
     if (document->isRecovered()) {
         saveas = true;
     }
 
     bool reset_url;
 
     if (document->url().isEmpty()) {
         reset_url = true;
         saveas = true;
     }
     else {
         reset_url = false;
     }
 
     connect(document, SIGNAL(completed()), this, SLOT(slotSaveCompleted()));
     connect(document, SIGNAL(canceled(const QString &)), this, SLOT(slotSaveCanceled(const QString &)));
 
     QUrl oldURL = document->url();
     QString oldFile = document->localFilePath();
 
     QByteArray nativeFormat = document->nativeFormatMimeType();
     QByteArray oldMimeFormat = document->mimeType();
 
     QUrl suggestedURL = document->url();
 
     QStringList mimeFilter = KisImportExportManager::mimeFilter(KisImportExportManager::Export);
 
     mimeFilter = KisImportExportManager::mimeFilter(KisImportExportManager::Export);
     if (!mimeFilter.contains(oldMimeFormat)) {
         dbgUI << "KisMainWindow::saveDocument no export filter for" << oldMimeFormat;
 
         // --- don't setOutputMimeType in case the user cancels the Save As
         // dialog and then tries to just plain Save ---
 
         // suggest a different filename extension (yes, we fortunately don't all live in a world of magic :))
         QString suggestedFilename = QFileInfo(suggestedURL.toLocalFile()).baseName();
 
         if (!suggestedFilename.isEmpty()) {  // ".kra" looks strange for a name
             suggestedFilename = suggestedFilename + "." + KisMimeDatabase::suffixesForMimeType(KIS_MIME_TYPE).first();
             suggestedURL = suggestedURL.adjusted(QUrl::RemoveFilename);
             suggestedURL.setPath(suggestedURL.path() + suggestedFilename);
         }
 
         // force the user to choose outputMimeType
         saveas = true;
     }
 
     bool ret = false;
 
     if (document->url().isEmpty() || isExporting || saveas) {
         // if you're just File/Save As'ing to change filter options you
         // don't want to be reminded about overwriting files etc.
         bool justChangingFilterOptions = false;
 
         KoFileDialog dialog(this, KoFileDialog::SaveFile, "SaveAs");
         dialog.setCaption(isExporting ? i18n("Exporting") : i18n("Saving As"));
 
         //qDebug() << ">>>>>" << isExporting << d->lastExportLocation << d->lastExportedFormat << QString::fromLatin1(document->mimeType());
 
         if (isExporting && !d->lastExportLocation.isEmpty()) {
 
             // Use the location where we last exported to, if it's set, as the opening location for the file dialog
             QString proposedPath = QFileInfo(d->lastExportLocation).absolutePath();
             // If the document doesn't have a filename yet, use the title
             QString proposedFileName = suggestedURL.isEmpty() ? document->documentInfo()->aboutInfo("title") :  QFileInfo(suggestedURL.toLocalFile()).baseName();
             // Use the last mimetype we exported to by default
             QString proposedMimeType =  d->lastExportedFormat.isEmpty() ? "" : d->lastExportedFormat;
             QString proposedExtension = KisMimeDatabase::suffixesForMimeType(proposedMimeType).first().remove("*,");
 
             // Set the default dir: this overrides the one loaded from the config file, since we're exporting and the lastExportLocation is not empty
             dialog.setDefaultDir(proposedPath + "/" + proposedFileName + "." + proposedExtension, true);
             dialog.setMimeTypeFilters(mimeFilter, proposedMimeType);
         }
         else {
             // Get the last used location for saving
             KConfigGroup group =  KSharedConfig::openConfig()->group("File Dialogs");
             QString proposedPath = group.readEntry("SaveAs", "");
             // if that is empty, get the last used location for loading
             if (proposedPath.isEmpty()) {
                 proposedPath = group.readEntry("OpenDocument", "");
             }
             // If that is empty, too, use the Pictures location.
             if (proposedPath.isEmpty()) {
                 proposedPath = QStandardPaths::writableLocation(QStandardPaths::PicturesLocation);
             }
             // But only use that if the suggestedUrl, that is, the document's own url is empty, otherwise
             // open the location where the document currently is.
             dialog.setDefaultDir(suggestedURL.isEmpty() ? proposedPath : suggestedURL.toLocalFile(), true);
 
             // If exporting, default to all supported file types if user is exporting
             QByteArray default_mime_type = "";
             if (!isExporting) {
                 // otherwise use the document's mimetype, or if that is empty, kra, which is the savest.
                 default_mime_type = document->mimeType().isEmpty() ? nativeFormat : document->mimeType();
             }
             dialog.setMimeTypeFilters(mimeFilter, QString::fromLatin1(default_mime_type));
         }
 
         QUrl newURL = QUrl::fromUserInput(dialog.filename());
 
         if (newURL.isLocalFile()) {
             QString fn = newURL.toLocalFile();
             if (QFileInfo(fn).completeSuffix().isEmpty()) {
                 fn.append(KisMimeDatabase::suffixesForMimeType(nativeFormat).first());
                 newURL = QUrl::fromLocalFile(fn);
             }
         }
 
         if (document->documentInfo()->aboutInfo("title") == i18n("Unnamed")) {
             QString fn = newURL.toLocalFile();
             QFileInfo info(fn);
             document->documentInfo()->setAboutInfo("title", info.baseName());
         }
 
         QByteArray outputFormat = nativeFormat;
 
         QString outputFormatString = KisMimeDatabase::mimeTypeForFile(newURL.toLocalFile(), false);
         outputFormat = outputFormatString.toLatin1();
 
 
         if (!isExporting) {
             justChangingFilterOptions = (newURL == document->url()) && (outputFormat == document->mimeType());
         }
         else {
             QString path = QFileInfo(d->lastExportLocation).absolutePath();
             QString filename = QFileInfo(document->url().toLocalFile()).baseName();
             justChangingFilterOptions = (QFileInfo(newURL.toLocalFile()).absolutePath() == path)
                     && (QFileInfo(newURL.toLocalFile()).baseName() == filename)
                     && (outputFormat == d->lastExportedFormat);
         }
 
         bool bOk = true;
         if (newURL.isEmpty()) {
             bOk = false;
         }
 
         if (bOk) {
             bool wantToSave = true;
 
             // don't change this line unless you know what you're doing :)
             if (!justChangingFilterOptions) {
                 if (!document->isNativeFormat(outputFormat))
                     wantToSave = true;
             }
 
             if (wantToSave) {
                 if (!isExporting) {  // Save As
                     ret = document->saveAs(newURL, outputFormat, true);
                     if (ret) {
                         dbgUI << "Successful Save As!";
                         KisPart::instance()->addRecentURLToAllMainWindows(newURL);
                         setReadWrite(true);
                     } else {
                         dbgUI << "Failed Save As!";
                         document->setUrl(oldURL);
                         document->setLocalFilePath(oldFile);
                     }
                 }
                 else { // Export
                     ret = document->exportDocument(newURL, outputFormat);
 
                     if (ret) {
                         d->lastExportLocation = newURL.toLocalFile();
                         d->lastExportedFormat = outputFormat;
                     }
                 }
 
             }   // if (wantToSave)  {
             else
                 ret = false;
         }   // if (bOk) {
         else
             ret = false;
     } else { // saving
         // We cannot "export" into the currently
         // opened document. We are not Gimp.
         KIS_ASSERT_RECOVER_NOOP(!isExporting);
 
         // be sure document has the correct outputMimeType!
         if (document->isModified()) {
             ret = document->save(true, 0);
         }
 
         if (!ret) {
             dbgUI << "Failed Save!";
             document->setUrl(oldURL);
             document->setLocalFilePath(oldFile);
         }
     }
 
     if (ret && !isExporting) {
         document->setRecovered(false);
     }
 
     if (!ret && reset_url)
         document->resetURL(); //clean the suggested filename as the save dialog was rejected
 
     updateReloadFileAction(document);
     updateCaption();
 
     return ret;
 }
 
 void KisMainWindow::undo()
 {
     if (activeView()) {
         activeView()->undoAction()->trigger();
         d->undo->setText(activeView()->undoAction()->text());
     }
 }
 
 void KisMainWindow::redo()
 {
     if (activeView()) {
         activeView()->redoAction()->trigger();
         d->redo->setText(activeView()->redoAction()->text());
     }
 }
 
 void KisMainWindow::closeEvent(QCloseEvent *e)
 {
-    d->mdiArea->closeAllSubWindows();
+    if (!KisPart::instance()->closingSession()) {
+        QAction *action= d->viewManager->actionCollection()->action("view_show_canvas_only");
+        if ((action) && (action->isChecked())) {
+            action->setChecked(false);
+        }
 
-    QAction *action= d->viewManager->actionCollection()->action("view_show_canvas_only");
+        // Save session when last window is closed
+        if (KisPart::instance()->mainwindowCount() == 1) {
+            bool closeAllowed = KisPart::instance()->closeSession();
 
-    if ((action) && (action->isChecked())) {
-        action->setChecked(false);
+            if (!closeAllowed) {
+                e->setAccepted(false);
+            }
+            return;
+        }
     }
-    KConfigGroup cfg( KSharedConfig::openConfig(), "MainWindow");
-    cfg.writeEntry("ko_geometry", saveGeometry().toBase64());
-    cfg.writeEntry("State", saveState().toBase64());
 
-    {
-        KConfigGroup group( KSharedConfig::openConfig(), "theme");
-        group.writeEntry("Theme", d->themeManager->currentThemeName());
-    }
+    d->mdiArea->closeAllSubWindows();
 
     QList<QMdiSubWindow*> childrenList = d->mdiArea->subWindowList();
 
     if (childrenList.isEmpty()) {
         d->deferredClosingEvent = e;
-
-        if (!d->dockerStateBeforeHiding.isEmpty()) {
-            restoreState(d->dockerStateBeforeHiding);
-        }
-        statusBar()->setVisible(true);
-        menuBar()->setVisible(true);
-
-        saveWindowSettings();
-
-        if (d->noCleanup)
-            return;
-
-        if (!d->dockWidgetVisibilityMap.isEmpty()) { // re-enable dockers for persistency
-            Q_FOREACH (QDockWidget* dockWidget, d->dockWidgetsMap)
-                dockWidget->setVisible(d->dockWidgetVisibilityMap.value(dockWidget));
-        }
+        saveWindowState(true);
     } else {
         e->setAccepted(false);
     }
 }
 
 void KisMainWindow::saveWindowSettings()
 {
     KSharedConfigPtr config =  KSharedConfig::openConfig();
 
     if (d->windowSizeDirty ) {
         dbgUI << "KisMainWindow::saveWindowSettings";
-        KConfigGroup group = config->group("MainWindow");
+        KConfigGroup group = d->windowStateConfig;
         KWindowConfig::saveWindowSize(windowHandle(), group);
         config->sync();
         d->windowSizeDirty = false;
     }
 
     if (!d->activeView || d->activeView->document()) {
 
         // Save toolbar position into the config file of the app, under the doc's component name
-        KConfigGroup group =  KSharedConfig::openConfig()->group("krita");
+        KConfigGroup group = d->windowStateConfig;
         saveMainWindowSettings(group);
 
         // Save collapsible state of dock widgets
         for (QMap<QString, QDockWidget*>::const_iterator i = d->dockWidgetsMap.constBegin();
              i != d->dockWidgetsMap.constEnd(); ++i) {
             if (i.value()->widget()) {
                 KConfigGroup dockGroup = group.group(QString("DockWidget ") + i.key());
                 dockGroup.writeEntry("Collapsed", i.value()->widget()->isHidden());
                 dockGroup.writeEntry("Locked", i.value()->property("Locked").toBool());
                 dockGroup.writeEntry("DockArea", (int) dockWidgetArea(i.value()));
                 dockGroup.writeEntry("xPosition", (int) i.value()->widget()->x());
                 dockGroup.writeEntry("yPosition", (int) i.value()->widget()->y());
 
                 dockGroup.writeEntry("width", (int) i.value()->widget()->width());
                 dockGroup.writeEntry("height", (int) i.value()->widget()->height());
             }
         }
 
     }
 
      KSharedConfig::openConfig()->sync();
     resetAutoSaveSettings(); // Don't let KMainWindow override the good stuff we wrote down
 
 }
 
 void KisMainWindow::resizeEvent(QResizeEvent * e)
 {
     d->windowSizeDirty = true;
     KXmlGuiWindow::resizeEvent(e);
 }
 
 void KisMainWindow::setActiveView(KisView* view)
 {
     d->activeView = view;
     updateCaption();
     actionCollection()->action("edit_undo")->setText(activeView()->undoAction()->text());
     actionCollection()->action("edit_redo")->setText(activeView()->redoAction()->text());
     d->viewManager->setCurrentView(view);
 }
 
 void KisMainWindow::dragEnterEvent(QDragEnterEvent *event)
 {
     if (event->mimeData()->hasUrls() ||
         event->mimeData()->hasFormat("application/x-krita-node") ||
         event->mimeData()->hasFormat("application/x-qt-image")) {
 
         event->accept();
     }
 }
 
 void KisMainWindow::dropEvent(QDropEvent *event)
 {
     if (event->mimeData()->hasUrls() && event->mimeData()->urls().size() > 0) {
         Q_FOREACH (const QUrl &url, event->mimeData()->urls()) {
             openDocument(url, None);
         }
     }
 }
 
 void KisMainWindow::dragMoveEvent(QDragMoveEvent * event)
 {
     QTabBar *tabBar = d->findTabBarHACK();
 
     if (!tabBar && d->mdiArea->viewMode() == QMdiArea::TabbedView) {
         qWarning() << "WARNING!!! Cannot find QTabBar in the main window! Looks like Qt has changed behavior. Drag & Drop between multiple tabs might not work properly (tabs will not switch automatically)!";
     }
 
     if (tabBar && tabBar->isVisible()) {
         QPoint pos = tabBar->mapFromGlobal(mapToGlobal(event->pos()));
         if (tabBar->rect().contains(pos)) {
             const int tabIndex = tabBar->tabAt(pos);
 
             if (tabIndex >= 0 && tabBar->currentIndex() != tabIndex) {
                 d->tabSwitchCompressor->start(tabIndex);
             }
         } else if (d->tabSwitchCompressor->isActive()) {
             d->tabSwitchCompressor->stop();
         }
     }
 }
 
 void KisMainWindow::dragLeaveEvent(QDragLeaveEvent * /*event*/)
 {
     if (d->tabSwitchCompressor->isActive()) {
         d->tabSwitchCompressor->stop();
     }
 }
 
 void KisMainWindow::mouseReleaseEvent(QMouseEvent *event)
 {
     /**
      * This ensures people who do not understand that you
      * need to make a canvas first, will find the new image
      * dialog on click.
      */
     if (centralWidget()->geometry().contains(event->pos())
             && KisPart::instance()->documents().size()==0) {
         this->slotFileNew();
         event->accept();
     } else {
         event->ignore();
     }
 }
 
 void KisMainWindow::switchTab(int index)
 {
     QTabBar *tabBar = d->findTabBarHACK();
     if (!tabBar) return;
 
     tabBar->setCurrentIndex(index);
 }
 
 void KisMainWindow::slotFileNew()
 {
     const QStringList mimeFilter = KisImportExportManager::mimeFilter(KisImportExportManager::Import);
 
     KisOpenPane *startupWidget = new KisOpenPane(this, mimeFilter, QStringLiteral("templates/"));
     startupWidget->setWindowModality(Qt::WindowModal);
     startupWidget->setWindowTitle(i18n("Create new document"));
 
 
     KisConfig cfg;
 
     int w = cfg.defImageWidth();
     int h = cfg.defImageHeight();
     const double resolution = cfg.defImageResolution();
     const QString colorModel = cfg.defColorModel();
     const QString colorDepth = cfg.defaultColorDepth();
     const QString colorProfile = cfg.defColorProfile();
 
 
     CustomDocumentWidgetItem item;
     item.widget = new KisCustomImageWidget(startupWidget,
                                            w,
                                            h,
                                            resolution,
                                            colorModel,
                                            colorDepth,
                                            colorProfile,
                                            i18n("Unnamed"));
 
     item.icon = "document-new";
 
     startupWidget->addCustomDocumentWidget(item.widget, item.title, item.icon);
 
     QSize sz = KisClipboard::instance()->clipSize();
     if (sz.isValid() && sz.width() != 0 && sz.height() != 0) {
         w = sz.width();
         h = sz.height();
     }
 
     item.widget = new KisImageFromClipboard(startupWidget,
                                             w,
                                             h,
                                             resolution,
                                             colorModel,
                                             colorDepth,
                                             colorProfile,
                                             i18n("Unnamed"));
 
     item.title = i18n("Create from Clipboard");
     item.icon = "tab-new";
 
     startupWidget->addCustomDocumentWidget(item.widget, item.title, item.icon);
 
     // calls deleteLater
     connect(startupWidget, SIGNAL(documentSelected(KisDocument*)), KisPart::instance(), SLOT(startCustomDocument(KisDocument*)));
     // calls deleteLater
     connect(startupWidget, SIGNAL(openTemplate(const QUrl&)), KisPart::instance(), SLOT(openTemplate(const QUrl&)));
 
     startupWidget->exec();
 
     // Cancel calls deleteLater...
 
 }
 
 void KisMainWindow::slotImportFile()
 {
     dbgUI << "slotImportFile()";
     slotFileOpen(true);
 }
 
 
 void KisMainWindow::slotFileOpen(bool isImporting)
 {
     QStringList urls = showOpenFileDialog(isImporting);
 
     if (urls.isEmpty())
         return;
 
     Q_FOREACH (const QString& url, urls) {
 
         if (!url.isEmpty()) {
             OpenFlags flags = isImporting ? Import : None;
             bool res = openDocument(QUrl::fromLocalFile(url), flags);
             if (!res) {
                 warnKrita << "Loading" << url << "failed";
             }
         }
     }
 }
 
 void KisMainWindow::slotFileOpenRecent(const QUrl &url)
 {
     (void) openDocument(QUrl::fromLocalFile(url.toLocalFile()), None);
 }
 
 void KisMainWindow::slotFileSave()
 {
     if (saveDocument(d->activeView->document(), false, false)) {
         emit documentSaved();
     }
 }
 
 void KisMainWindow::slotFileSaveAs()
 {
     if (saveDocument(d->activeView->document(), true, false)) {
         emit documentSaved();
     }
 }
 
 void KisMainWindow::slotExportFile()
 {
     if (saveDocument(d->activeView->document(), true, true)) {
         emit documentSaved();
     }
 }
 
+void KisMainWindow::slotShowSessionManager() {
+    KisPart::instance()->showSessionManager();
+}
+
 KoCanvasResourceManager *KisMainWindow::resourceManager() const
 {
     return d->viewManager->resourceProvider()->resourceManager();
 }
 
 int KisMainWindow::viewCount() const
 {
     return d->mdiArea->subWindowList().size();
 }
 
+const KConfigGroup &KisMainWindow::windowStateConfig() const
+{
+    return d->windowStateConfig;
+}
+
+void KisMainWindow::saveWindowState(bool restoreNormalState)
+{
+    if (restoreNormalState) {
+        QAction *showCanvasOnly = d->viewManager->actionCollection()->action("view_show_canvas_only");
+
+        if (showCanvasOnly && showCanvasOnly->isChecked()) {
+            showCanvasOnly->setChecked(false);
+        }
+
+        d->windowStateConfig.writeEntry("ko_geometry", saveGeometry().toBase64());
+        d->windowStateConfig.writeEntry("State", saveState().toBase64());
+
+        if (!d->dockerStateBeforeHiding.isEmpty()) {
+            restoreState(d->dockerStateBeforeHiding);
+        }
+
+        statusBar()->setVisible(true);
+        menuBar()->setVisible(true);
+
+        saveWindowSettings();
+
+    } else {
+        saveMainWindowSettings(d->windowStateConfig);
+    }
+
+}
+
 bool KisMainWindow::restoreWorkspace(const QByteArray &state)
 {
     QByteArray oldState = saveState();
     const bool showTitlebars = KisConfig().showDockerTitleBars();
 
     // needed because otherwise the layout isn't correctly restored in some situations
     Q_FOREACH (QDockWidget *dock, dockWidgets()) {
         dock->hide();
         dock->titleBarWidget()->setVisible(showTitlebars);
     }
 
     bool success = KXmlGuiWindow::restoreState(state);
 
     if (!success) {
         KXmlGuiWindow::restoreState(oldState);
         Q_FOREACH (QDockWidget *dock, dockWidgets()) {
             if (dock->titleBarWidget()) {
                 dock->titleBarWidget()->setVisible(showTitlebars || dock->isFloating());
             }
         }
         return false;
     }
 
 
     Q_FOREACH (QDockWidget *dock, dockWidgets()) {
         if (dock->titleBarWidget()) {
             const bool isCollapsed = (dock->widget() && dock->widget()->isHidden()) || !dock->widget();
             dock->titleBarWidget()->setVisible(showTitlebars || (dock->isFloating() && isCollapsed));
         }
     }
 
     return success;
 }
 
 KisViewManager *KisMainWindow::viewManager() const
 {
     return d->viewManager;
 }
 
 void KisMainWindow::slotDocumentInfo()
 {
     if (!d->activeView->document())
         return;
 
     KoDocumentInfo *docInfo = d->activeView->document()->documentInfo();
 
     if (!docInfo)
         return;
 
     KoDocumentInfoDlg *dlg = d->activeView->document()->createDocumentInfoDialog(this, docInfo);
 
     if (dlg->exec()) {
         if (dlg->isDocumentSaved()) {
             d->activeView->document()->setModified(false);
         } else {
             d->activeView->document()->setModified(true);
         }
         d->activeView->document()->setTitleModified();
     }
 
     delete dlg;
 }
 
 bool KisMainWindow::slotFileCloseAll()
 {
     Q_FOREACH (QMdiSubWindow *subwin, d->mdiArea->subWindowList()) {
         if (subwin) {
             if(!subwin->close())
                 return false;
         }
     }
 
     updateCaption();
     return true;
 }
 
 void KisMainWindow::slotFileQuit()
 {
-    if(!slotFileCloseAll())
-        return;
-
-    close();
-
-    Q_FOREACH (QPointer<KisMainWindow> mainWin, KisPart::instance()->mainWindows()) {
-        if (mainWin != this) {
-            if(!mainWin->slotFileCloseAll())
-                return;
-
-            mainWin->close();
-        }
-    }
+    KisPart::instance()->closeSession();
 }
 
 void KisMainWindow::slotFilePrint()
 {
     if (!activeView())
         return;
     KisPrintJob *printJob = activeView()->createPrintJob();
     if (printJob == 0)
         return;
     applyDefaultSettings(printJob->printer());
     QPrintDialog *printDialog = activeView()->createPrintDialog( printJob, this );
     if (printDialog && printDialog->exec() == QDialog::Accepted) {
         printJob->printer().setPageMargins(0.0, 0.0, 0.0, 0.0, QPrinter::Point);
         printJob->printer().setPaperSize(QSizeF(activeView()->image()->width() / (72.0 * activeView()->image()->xRes()),
                                                 activeView()->image()->height()/ (72.0 * activeView()->image()->yRes())),
                                          QPrinter::Inch);
         printJob->startPrinting(KisPrintJob::DeleteWhenDone);
     }
     else {
         delete printJob;
     }
     delete printDialog;
 }
 
 void KisMainWindow::slotFilePrintPreview()
 {
     if (!activeView())
         return;
     KisPrintJob *printJob = activeView()->createPrintJob();
     if (printJob == 0)
         return;
 
     /* Sets the startPrinting() slot to be blocking.
      The Qt print-preview dialog requires the printing to be completely blocking
      and only return when the full document has been printed.
      By default the KisPrintingDialog is non-blocking and
      multithreading, setting blocking to true will allow it to be used in the preview dialog */
     printJob->setProperty("blocking", true);
     QPrintPreviewDialog *preview = new QPrintPreviewDialog(&printJob->printer(), this);
     printJob->setParent(preview); // will take care of deleting the job
     connect(preview, SIGNAL(paintRequested(QPrinter*)), printJob, SLOT(startPrinting()));
     preview->exec();
     delete preview;
 }
 
 KisPrintJob* KisMainWindow::exportToPdf(QString pdfFileName)
 {
     if (!activeView())
         return 0;
 
     if (!activeView()->document())
         return 0;
 
     KoPageLayout pageLayout;
     pageLayout.width = 0;
     pageLayout.height = 0;
     pageLayout.topMargin = 0;
     pageLayout.bottomMargin = 0;
     pageLayout.leftMargin = 0;
     pageLayout.rightMargin = 0;
 
     if (pdfFileName.isEmpty()) {
         KConfigGroup group =  KSharedConfig::openConfig()->group("File Dialogs");
         QString defaultDir = group.readEntry("SavePdfDialog");
         if (defaultDir.isEmpty())
             defaultDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
         QUrl startUrl = QUrl::fromLocalFile(defaultDir);
         KisDocument* pDoc = d->activeView->document();
         /** if document has a file name, take file name and replace extension with .pdf */
         if (pDoc && pDoc->url().isValid()) {
             startUrl = pDoc->url();
             QString fileName = startUrl.toLocalFile();
             fileName = fileName.replace( QRegExp( "\\.\\w{2,5}$", Qt::CaseInsensitive ), ".pdf" );
             startUrl = startUrl.adjusted(QUrl::RemoveFilename);
             startUrl.setPath(startUrl.path() +  fileName );
         }
 
         QPointer<KoPageLayoutDialog> layoutDlg(new KoPageLayoutDialog(this, pageLayout));
         layoutDlg->setWindowModality(Qt::WindowModal);
         if (layoutDlg->exec() != QDialog::Accepted || !layoutDlg) {
             delete layoutDlg;
             return 0;
         }
         pageLayout = layoutDlg->pageLayout();
         delete layoutDlg;
 
         KoFileDialog dialog(this, KoFileDialog::SaveFile, "OpenDocument");
         dialog.setCaption(i18n("Export as PDF"));
         dialog.setDefaultDir(startUrl.toLocalFile());
         dialog.setMimeTypeFilters(QStringList() << "application/pdf");
         QUrl url = QUrl::fromUserInput(dialog.filename());
 
         pdfFileName = url.toLocalFile();
         if (pdfFileName.isEmpty())
             return 0;
     }
 
     KisPrintJob *printJob = activeView()->createPrintJob();
     if (printJob == 0)
         return 0;
     if (isHidden()) {
         printJob->setProperty("noprogressdialog", true);
     }
 
     applyDefaultSettings(printJob->printer());
     // TODO for remote files we have to first save locally and then upload.
     printJob->printer().setOutputFileName(pdfFileName);
     printJob->printer().setDocName(pdfFileName);
     printJob->printer().setColorMode(QPrinter::Color);
 
     if (pageLayout.format == KoPageFormat::CustomSize) {
         printJob->printer().setPaperSize(QSizeF(pageLayout.width, pageLayout.height), QPrinter::Millimeter);
     } else {
         printJob->printer().setPaperSize(KoPageFormat::printerPageSize(pageLayout.format));
     }
 
     printJob->printer().setPageMargins(pageLayout.leftMargin, pageLayout.topMargin, pageLayout.rightMargin, pageLayout.bottomMargin, QPrinter::Millimeter);
 
     switch (pageLayout.orientation) {
     case KoPageFormat::Portrait:
         printJob->printer().setOrientation(QPrinter::Portrait);
         break;
     case KoPageFormat::Landscape:
         printJob->printer().setOrientation(QPrinter::Landscape);
         break;
     }
 
     //before printing check if the printer can handle printing
     if (!printJob->canPrint()) {
         QMessageBox::critical(this, i18nc("@title:window", "Krita"), i18n("Cannot export to the specified file"));
     }
 
     printJob->startPrinting(KisPrintJob::DeleteWhenDone);
     return printJob;
 }
 
 void KisMainWindow::importAnimation()
 {
     if (!activeView()) return;
 
     KisDocument *document = activeView()->document();
     if (!document) return;
 
     KisDlgImportImageSequence dlg(this, document);
 
     if (dlg.exec() == QDialog::Accepted) {
         QStringList files = dlg.files();
         int firstFrame = dlg.firstFrame();
         int step = dlg.step();
 
         KoUpdaterPtr updater =
             !document->fileBatchMode() ? viewManager()->createUnthreadedUpdater(i18n("Import frames")) : 0;
         KisAnimationImporter importer(document->image(), updater);
         KisImportExportFilter::ConversionStatus status = importer.import(files, firstFrame, step);
 
         if (status != KisImportExportFilter::OK && status != KisImportExportFilter::InternalError) {
             QString msg = KisImportExportFilter::conversionStatusString(status);
 
             if (!msg.isEmpty())
                 QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("Could not finish import animation:\n%1", msg));
         }
         activeView()->canvasBase()->refetchDataFromImage();
     }
 }
 
 void KisMainWindow::slotConfigureToolbars()
 {
-    KConfigGroup group =  KSharedConfig::openConfig()->group("krita");
-    saveMainWindowSettings(group);
+    saveWindowState();
     KEditToolBar edit(factory(), this);
     connect(&edit, SIGNAL(newToolBarConfig()), this, SLOT(slotNewToolbarConfig()));
     (void) edit.exec();
     applyToolBarLayout();
 }
 
 void KisMainWindow::slotNewToolbarConfig()
 {
-    applyMainWindowSettings(KSharedConfig::openConfig()->group("krita"));
+    applyMainWindowSettings(d->windowStateConfig);
 
     KXMLGUIFactory *factory = guiFactory();
     Q_UNUSED(factory);
 
     // Check if there's an active view
     if (!d->activeView)
         return;
 
     plugActionList("toolbarlist", d->toolbarList);
     applyToolBarLayout();
 }
 
 void KisMainWindow::slotToolbarToggled(bool toggle)
 {
     //dbgUI <<"KisMainWindow::slotToolbarToggled" << sender()->name() <<" toggle=" << true;
     // The action (sender) and the toolbar have the same name
     KToolBar * bar = toolBar(sender()->objectName());
     if (bar) {
         if (toggle) {
             bar->show();
         }
         else {
             bar->hide();
         }
 
         if (d->activeView && d->activeView->document()) {
-            KConfigGroup group =  KSharedConfig::openConfig()->group("krita");
-            saveMainWindowSettings(group);
+            saveWindowState();
         }
     } else
         warnUI << "slotToolbarToggled : Toolbar " << sender()->objectName() << " not found!";
 }
 
 void KisMainWindow::viewFullscreen(bool fullScreen)
 {
     KisConfig cfg;
     cfg.setFullscreenMode(fullScreen);
 
     if (fullScreen) {
         setWindowState(windowState() | Qt::WindowFullScreen);   // set
     } else {
         setWindowState(windowState() & ~Qt::WindowFullScreen);   // reset
     }
 }
 
 void KisMainWindow::setMaxRecentItems(uint _number)
 {
     d->recentFiles->setMaxItems(_number);
 }
 
 void KisMainWindow::slotReloadFile()
 {
     KisDocument* document = d->activeView->document();
     if (!document || document->url().isEmpty())
         return;
 
     if (document->isModified()) {
         bool ok = QMessageBox::question(this,
                                         i18nc("@title:window", "Krita"),
                                         i18n("You will lose all changes made since your last save\n"
                                              "Do you want to continue?"),
                                         QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes) == QMessageBox::Yes;
         if (!ok)
             return;
     }
 
     QUrl url = document->url();
 
     saveWindowSettings();
     if (!document->reload()) {
         QMessageBox::critical(this, i18nc("@title:window", "Krita"), i18n("Error: Could not reload this document"));
     }
 
     return;
 
 }
 
 QDockWidget* KisMainWindow::createDockWidget(KoDockFactoryBase* factory)
 {
     QDockWidget* dockWidget = 0;
 
     if (!d->dockWidgetsMap.contains(factory->id())) {
         dockWidget = factory->createDockWidget();
 
         // It is quite possible that a dock factory cannot create the dock; don't
         // do anything in that case.
         if (!dockWidget) {
             warnKrita << "Could not create docker for" << factory->id();
             return 0;
         }
 
         KoDockWidgetTitleBar *titleBar = dynamic_cast<KoDockWidgetTitleBar*>(dockWidget->titleBarWidget());
 
         // Check if the dock widget is supposed to be collapsible
         if (!dockWidget->titleBarWidget()) {
             titleBar = new KoDockWidgetTitleBar(dockWidget);
             dockWidget->setTitleBarWidget(titleBar);
             titleBar->setCollapsable(factory->isCollapsable());
         }
         titleBar->setFont(KoDockRegistry::dockFont());
 
         dockWidget->setObjectName(factory->id());
         dockWidget->setParent(this);
 
         if (dockWidget->widget() && dockWidget->widget()->layout())
             dockWidget->widget()->layout()->setContentsMargins(1, 1, 1, 1);
 
         Qt::DockWidgetArea side = Qt::RightDockWidgetArea;
         bool visible = true;
 
         switch (factory->defaultDockPosition()) {
         case KoDockFactoryBase::DockTornOff:
             dockWidget->setFloating(true); // position nicely?
             break;
         case KoDockFactoryBase::DockTop:
             side = Qt::TopDockWidgetArea; break;
         case KoDockFactoryBase::DockLeft:
             side = Qt::LeftDockWidgetArea; break;
         case KoDockFactoryBase::DockBottom:
             side = Qt::BottomDockWidgetArea; break;
         case KoDockFactoryBase::DockRight:
             side = Qt::RightDockWidgetArea; break;
         case KoDockFactoryBase::DockMinimized:
         default:
             side = Qt::RightDockWidgetArea;
             visible = false;
         }
 
-        KConfigGroup group =  KSharedConfig::openConfig()->group("krita").group("DockWidget " + factory->id());
+        KConfigGroup group = d->windowStateConfig.group("DockWidget " + factory->id());
         side = static_cast<Qt::DockWidgetArea>(group.readEntry("DockArea", static_cast<int>(side)));
         if (side == Qt::NoDockWidgetArea) side = Qt::RightDockWidgetArea;
 
         addDockWidget(side, dockWidget);
         if (!visible) {
             dockWidget->hide();
         }
         bool collapsed = factory->defaultCollapsed();
 
         bool locked = false;
-        group =  KSharedConfig::openConfig()->group("krita").group("DockWidget " + factory->id());
+        group = d->windowStateConfig.group("DockWidget " + factory->id());
         collapsed = group.readEntry("Collapsed", collapsed);
         locked = group.readEntry("Locked", locked);
 
         //dbgKrita << "docker" << factory->id() << dockWidget << "collapsed" << collapsed << "locked" << locked << "titlebar" << titleBar;
 
         if (titleBar && collapsed)
             titleBar->setCollapsed(true);
 
         if (titleBar && locked)
             titleBar->setLocked(true);
 
         d->dockWidgetsMap.insert(factory->id(), dockWidget);
     }
     else {
         dockWidget = d->dockWidgetsMap[factory->id()];
     }
 
 #ifdef Q_OS_OSX
     dockWidget->setAttribute(Qt::WA_MacSmallSize, true);
 #endif
     dockWidget->setFont(KoDockRegistry::dockFont());
 
     connect(dockWidget, SIGNAL(dockLocationChanged(Qt::DockWidgetArea)), this, SLOT(forceDockTabFonts()));
 
     return dockWidget;
 }
 
 void KisMainWindow::forceDockTabFonts()
 {
     Q_FOREACH (QObject *child, children()) {
         if (child->inherits("QTabBar")) {
             ((QTabBar *)child)->setFont(KoDockRegistry::dockFont());
         }
     }
 }
 
 QList<QDockWidget*> KisMainWindow::dockWidgets() const
 {
     return d->dockWidgetsMap.values();
 }
 
 QDockWidget* KisMainWindow::dockWidget(const QString &id)
 {
     if (!d->dockWidgetsMap.contains(id)) return 0;
     return d->dockWidgetsMap[id];
 }
 
 QList<KoCanvasObserverBase*> KisMainWindow::canvasObservers() const
 {
     QList<KoCanvasObserverBase*> observers;
 
     Q_FOREACH (QDockWidget *docker, dockWidgets()) {
         KoCanvasObserverBase *observer = dynamic_cast<KoCanvasObserverBase*>(docker);
         if (observer) {
             observers << observer;
         }
         else {
             warnKrita << docker << "is not a canvas observer";
         }
     }
     return observers;
 }
 
 
 void KisMainWindow::toggleDockersVisibility(bool visible)
 {
     if (!visible) {
         d->dockerStateBeforeHiding = saveState();
 
         Q_FOREACH (QObject* widget, children()) {
             if (widget->inherits("QDockWidget")) {
                 QDockWidget* dw = static_cast<QDockWidget*>(widget);
                 if (dw->isVisible()) {
                     dw->hide();
                 }
             }
         }
     }
     else {
         restoreState(d->dockerStateBeforeHiding);
     }
 }
 
 void KisMainWindow::slotDocumentTitleModified()
 {
     updateCaption();
     updateReloadFileAction(d->activeView ? d->activeView->document() : 0);
 }
 
 
 void KisMainWindow::subWindowActivated()
 {
     bool enabled = (activeKisView() != 0);
 
     d->mdiCascade->setEnabled(enabled);
     d->mdiNextWindow->setEnabled(enabled);
     d->mdiPreviousWindow->setEnabled(enabled);
     d->mdiTile->setEnabled(enabled);
     d->close->setEnabled(enabled);
     d->closeAll->setEnabled(enabled);
 
     setActiveSubWindow(d->mdiArea->activeSubWindow());
     Q_FOREACH (QToolBar *tb, toolBars()) {
         if (tb->objectName() == "BrushesAndStuff") {
             tb->setEnabled(enabled);
         }
     }
 
     updateCaption();
     d->actionManager()->updateGUI();
 }
 
 void KisMainWindow::updateWindowMenu()
 {
     QMenu *menu = d->windowMenu->menu();
     menu->clear();
 
     menu->addAction(d->newWindow);
     menu->addAction(d->documentMenu);
 
     QMenu *docMenu = d->documentMenu->menu();
     docMenu->clear();
 
     Q_FOREACH (QPointer<KisDocument> doc, KisPart::instance()->documents()) {
         if (doc) {
             QString title = doc->url().toDisplayString();
             if (title.isEmpty() && doc->image()) {
                 title = doc->image()->objectName();
             }
             QAction *action = docMenu->addAction(title);
             action->setIcon(qApp->windowIcon());
             connect(action, SIGNAL(triggered()), d->documentMapper, SLOT(map()));
             d->documentMapper->setMapping(action, doc);
         }
     }
 
     menu->addAction(d->workspaceMenu);
     QMenu *workspaceMenu = d->workspaceMenu->menu();
     workspaceMenu->clear();
 
     auto workspaces = KisResourceServerProvider::instance()->workspaceServer(false)->resources();
     auto m_this = this;
     for (auto &w : workspaces) {
         auto action = workspaceMenu->addAction(w->name());
         auto ds = w->dockerState();
         connect(action, &QAction::triggered, this, [=]() { m_this->restoreWorkspace(ds); });
     }
     workspaceMenu->addSeparator();
     connect(workspaceMenu->addAction(i18nc("@action:inmenu", "&Import Workspace...")),
             &QAction::triggered,
             this,
             [&]() {
         QString extensions = d->workspacemodel->extensions();
         QStringList mimeTypes;
         for(const QString &suffix : extensions.split(":")) {
             mimeTypes << KisMimeDatabase::mimeTypeForSuffix(suffix);
         }
 
         KoFileDialog dialog(0, KoFileDialog::OpenFile, "OpenDocument");
         dialog.setMimeTypeFilters(mimeTypes);
         dialog.setCaption(i18nc("@title:window", "Choose File to Add"));
         QString filename = dialog.filename();
 
         d->workspacemodel->importResourceFile(filename);
     });
 
     connect(workspaceMenu->addAction(i18nc("@action:inmenu", "&New Workspace...")),
             &QAction::triggered,
             [=]() {
         QString name = QInputDialog::getText(this, i18nc("@title:window", "New Workspace..."),
                                              i18nc("@label:textbox", "Name:"));
         if (name.isEmpty()) return;
         auto rserver = KisResourceServerProvider::instance()->workspaceServer();
 
         KisWorkspaceResource* workspace = new KisWorkspaceResource("");
         workspace->setDockerState(m_this->saveState());
         d->viewManager->resourceProvider()->notifySavingWorkspace(workspace);
         workspace->setValid(true);
         QString saveLocation = rserver->saveLocation();
 
         bool newName = false;
         if(name.isEmpty()) {
             newName = true;
             name = i18n("Workspace");
         }
         QFileInfo fileInfo(saveLocation + name + workspace->defaultFileExtension());
 
         int i = 1;
         while (fileInfo.exists()) {
             fileInfo.setFile(saveLocation + name + QString("%1").arg(i) + workspace->defaultFileExtension());
             i++;
         }
         workspace->setFilename(fileInfo.filePath());
         if(newName) {
             name = i18n("Workspace %1", i);
         }
         workspace->setName(name);
         rserver->addResource(workspace);
     });
 
     // TODO: What to do about delete?
 //    workspaceMenu->addAction(i18nc("@action:inmenu", "&Delete Workspace..."));
 
     menu->addSeparator();
     menu->addAction(d->close);
     menu->addAction(d->closeAll);
     if (d->mdiArea->viewMode() == QMdiArea::SubWindowView) {
         menu->addSeparator();
         menu->addAction(d->mdiTile);
         menu->addAction(d->mdiCascade);
     }
     menu->addSeparator();
     menu->addAction(d->mdiNextWindow);
     menu->addAction(d->mdiPreviousWindow);
     menu->addSeparator();
 
     QList<QMdiSubWindow *> windows = d->mdiArea->subWindowList();
     for (int i = 0; i < windows.size(); ++i) {
         QPointer<KisView>child = qobject_cast<KisView*>(windows.at(i)->widget());
         if (child && child->document()) {
             QString text;
             if (i < 9) {
                 text = i18n("&%1 %2", i + 1, child->document()->url().toDisplayString());
             }
             else {
                 text = i18n("%1 %2", i + 1, child->document()->url().toDisplayString());
             }
 
             QAction *action  = menu->addAction(text);
             action->setIcon(qApp->windowIcon());
             action->setCheckable(true);
             action->setChecked(child == activeKisView());
             connect(action, SIGNAL(triggered()), d->windowMapper, SLOT(map()));
             d->windowMapper->setMapping(action, windows.at(i));
         }
     }
 
     updateCaption();
 }
 
 void KisMainWindow::setActiveSubWindow(QWidget *window)
 {
     if (!window) return;
     QMdiSubWindow *subwin = qobject_cast<QMdiSubWindow *>(window);
     //dbgKrita << "setActiveSubWindow();" << subwin << d->activeSubWindow;
 
     if (subwin && subwin != d->activeSubWindow) {
         KisView *view = qobject_cast<KisView *>(subwin->widget());
         //dbgKrita << "\t" << view << activeView();
         if (view && view != activeView()) {
              d->mdiArea->setActiveSubWindow(subwin);
             setActiveView(view);
         }
         d->activeSubWindow = subwin;
     }
     updateWindowMenu();
     d->actionManager()->updateGUI();
 }
 
 void KisMainWindow::configChanged()
 {
     KisConfig cfg;
     QMdiArea::ViewMode viewMode = (QMdiArea::ViewMode)cfg.readEntry<int>("mdi_viewmode", (int)QMdiArea::TabbedView);
     d->mdiArea->setViewMode(viewMode);
     Q_FOREACH (QMdiSubWindow *subwin, d->mdiArea->subWindowList()) {
         subwin->setOption(QMdiSubWindow::RubberBandMove, cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
         subwin->setOption(QMdiSubWindow::RubberBandResize, cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
 
         /**
          * Dirty workaround for a bug in Qt (checked on Qt 5.6.1):
          *
          * If you make a window "Show on top" and then switch to the tabbed mode
          * the window will contiue to be painted in its initial "mid-screen"
          * position. It will persist here until you explicitly switch to its tab.
          */
         if (viewMode == QMdiArea::TabbedView) {
             Qt::WindowFlags oldFlags = subwin->windowFlags();
             Qt::WindowFlags flags = oldFlags;
 
             flags &= ~Qt::WindowStaysOnTopHint;
             flags &= ~Qt::WindowStaysOnBottomHint;
 
             if (flags != oldFlags) {
                 subwin->setWindowFlags(flags);
                 subwin->showMaximized();
             }
         }
 
     }
 
     KConfigGroup group( KSharedConfig::openConfig(), "theme");
     d->themeManager->setCurrentTheme(group.readEntry("Theme", "Krita dark"));
     d->actionManager()->updateGUI();
 
     QBrush brush(cfg.getMDIBackgroundColor());
     d->mdiArea->setBackground(brush);
 
     QString backgroundImage = cfg.getMDIBackgroundImage();
     if (backgroundImage != "") {
         QImage image(backgroundImage);
         QBrush brush(image);
         d->mdiArea->setBackground(brush);
     }
 
     d->mdiArea->update();
 }
 
 KisView* KisMainWindow::newView(QObject *document)
 {
     KisDocument *doc = qobject_cast<KisDocument*>(document);
     KisView *view = addViewAndNotifyLoadingCompleted(doc);
     d->actionManager()->updateGUI();
 
     return view;
 }
 
 void KisMainWindow::newWindow()
 {
     KisPart::instance()->createMainWindow()->show();
 }
 
 void KisMainWindow::closeCurrentWindow()
 {
     d->mdiArea->currentSubWindow()->close();
     d->actionManager()->updateGUI();
 }
 
 void KisMainWindow::checkSanity()
 {
     // print error if the lcms engine is not available
     if (!KoColorSpaceEngineRegistry::instance()->contains("icc")) {
         // need to wait 1 event since exiting here would not work.
         m_errorMessage = i18n("The Krita LittleCMS color management plugin is not installed. Krita will quit now.");
         m_dieOnError = true;
         QTimer::singleShot(0, this, SLOT(showErrorAndDie()));
         return;
     }
 
     KisPaintOpPresetResourceServer * rserver = KisResourceServerProvider::instance()->paintOpPresetServer();
     if (rserver->resources().isEmpty()) {
         m_errorMessage = i18n("Krita cannot find any brush presets! Krita will quit now.");
         m_dieOnError = true;
         QTimer::singleShot(0, this, SLOT(showErrorAndDie()));
         return;
     }
 }
 
 void KisMainWindow::showErrorAndDie()
 {
     QMessageBox::critical(0, i18nc("@title:window", "Installation error"), m_errorMessage);
     if (m_dieOnError) {
         exit(10);
     }
 }
 
 void KisMainWindow::showAboutApplication()
 {
     KisAboutApplication dlg(this);
     dlg.exec();
 }
 
 QPointer<KisView>KisMainWindow::activeKisView()
 {
     if (!d->mdiArea) return 0;
     QMdiSubWindow *activeSubWindow = d->mdiArea->activeSubWindow();
     //dbgKrita << "activeKisView" << activeSubWindow;
     if (!activeSubWindow) return 0;
     return qobject_cast<KisView*>(activeSubWindow->widget());
 }
 
 void KisMainWindow::newOptionWidgets(KoCanvasController *controller, const QList<QPointer<QWidget> > &optionWidgetList)
 {
     KIS_ASSERT_RECOVER_NOOP(controller == KoToolManager::instance()->activeCanvasController());
     bool isOurOwnView = false;
 
     Q_FOREACH (QPointer<KisView> view, KisPart::instance()->views()) {
         if (view && view->canvasController() == controller) {
             isOurOwnView = view->mainWindow() == this;
         }
     }
 
     if (!isOurOwnView) return;
 
     Q_FOREACH (QWidget *w, optionWidgetList) {
 #ifdef Q_OS_OSX
         w->setAttribute(Qt::WA_MacSmallSize, true);
 #endif
         w->setFont(KoDockRegistry::dockFont());
     }
 
     if (d->toolOptionsDocker) {
         d->toolOptionsDocker->setOptionWidgets(optionWidgetList);
     }
     else {
         d->viewManager->paintOpBox()->newOptionWidgets(optionWidgetList);
     }
 }
 
 void KisMainWindow::applyDefaultSettings(QPrinter &printer) {
 
     if (!d->activeView) return;
 
     QString title = d->activeView->document()->documentInfo()->aboutInfo("title");
     if (title.isEmpty()) {
         QFileInfo info(d->activeView->document()->url().fileName());
         title = info.baseName();
     }
 
     if (title.isEmpty()) {
         // #139905
         title = i18n("%1 unsaved document (%2)", qApp->applicationDisplayName(),
                      QLocale().toString(QDate::currentDate(), QLocale::ShortFormat));
     }
     printer.setDocName(title);
 }
 
 void KisMainWindow::createActions()
 {
     KisActionManager *actionManager = d->actionManager();
     KisConfig cfg;
 
     actionManager->createStandardAction(KStandardAction::New, this, SLOT(slotFileNew()));
     actionManager->createStandardAction(KStandardAction::Open, this, SLOT(slotFileOpen()));
     actionManager->createStandardAction(KStandardAction::Quit, this, SLOT(slotFileQuit()));
     actionManager->createStandardAction(KStandardAction::ConfigureToolbars, this, SLOT(slotConfigureToolbars()));
     d->fullScreenMode = actionManager->createStandardAction(KStandardAction::FullScreen, this, SLOT(viewFullscreen(bool)));
 
     d->recentFiles = KStandardAction::openRecent(this, SLOT(slotFileOpenRecent(QUrl)), actionCollection());
     connect(d->recentFiles, SIGNAL(recentListCleared()), this, SLOT(saveRecentFiles()));
     KSharedConfigPtr configPtr =  KSharedConfig::openConfig();
     d->recentFiles->loadEntries(configPtr->group("RecentFiles"));
 
     d->saveAction = actionManager->createStandardAction(KStandardAction::Save, this, SLOT(slotFileSave()));
     d->saveAction->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
     d->saveActionAs = actionManager->createStandardAction(KStandardAction::SaveAs, this, SLOT(slotFileSaveAs()));
     d->saveActionAs->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
 //    d->printAction = actionManager->createStandardAction(KStandardAction::Print, this, SLOT(slotFilePrint()));
 //    d->printAction->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
 //    d->printActionPreview = actionManager->createStandardAction(KStandardAction::PrintPreview, this, SLOT(slotFilePrintPreview()));
 //    d->printActionPreview->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
     d->undo = actionManager->createStandardAction(KStandardAction::Undo, this, SLOT(undo()));
     d->undo ->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
     d->redo = actionManager->createStandardAction(KStandardAction::Redo, this, SLOT(redo()));
     d->redo->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
 //    d->exportPdf  = actionManager->createAction("file_export_pdf");
 //    connect(d->exportPdf, SIGNAL(triggered()), this, SLOT(exportToPdf()));
 
     d->importAnimation  = actionManager->createAction("file_import_animation");
     connect(d->importAnimation, SIGNAL(triggered()), this, SLOT(importAnimation()));
 
     d->closeAll = actionManager->createAction("file_close_all");
     connect(d->closeAll, SIGNAL(triggered()), this, SLOT(slotFileCloseAll()));
 
 //    d->reloadFile  = actionManager->createAction("file_reload_file");
 //    d->reloadFile->setActivationFlags(KisAction::CURRENT_IMAGE_MODIFIED);
 //    connect(d->reloadFile, SIGNAL(triggered(bool)), this, SLOT(slotReloadFile()));
 
     d->importFile  = actionManager->createAction("file_import_file");
     connect(d->importFile, SIGNAL(triggered(bool)), this, SLOT(slotImportFile()));
 
     d->exportFile  = actionManager->createAction("file_export_file");
     connect(d->exportFile, SIGNAL(triggered(bool)), this, SLOT(slotExportFile()));
 
     /* The following entry opens the document information dialog.  Since the action is named so it
         intends to show data this entry should not have a trailing ellipses (...).  */
     d->showDocumentInfo  = actionManager->createAction("file_documentinfo");
     connect(d->showDocumentInfo, SIGNAL(triggered(bool)), this, SLOT(slotDocumentInfo()));
 
 
     d->themeManager->setThemeMenuAction(new KActionMenu(i18nc("@action:inmenu", "&Themes"), this));
     d->themeManager->registerThemeActions(actionCollection());
     connect(d->themeManager, SIGNAL(signalThemeChanged()), this, SLOT(slotThemeChanged()));
 
 
     d->toggleDockers = actionManager->createAction("view_toggledockers");
     cfg.showDockers(true);
     d->toggleDockers->setChecked(true);
     connect(d->toggleDockers, SIGNAL(toggled(bool)), SLOT(toggleDockersVisibility(bool)));
 
     d->toggleDockerTitleBars = actionManager->createAction("view_toggledockertitlebars");
     d->toggleDockerTitleBars->setChecked(cfg.showDockerTitleBars());
     connect(d->toggleDockerTitleBars, SIGNAL(toggled(bool)), SLOT(showDockerTitleBars(bool)));
 
     actionCollection()->addAction("settings_dockers_menu", d->dockWidgetMenu);
     actionCollection()->addAction("window", d->windowMenu);
 
     d->mdiCascade = actionManager->createAction("windows_cascade");
     connect(d->mdiCascade, SIGNAL(triggered()), d->mdiArea, SLOT(cascadeSubWindows()));
 
     d->mdiTile = actionManager->createAction("windows_tile");
     connect(d->mdiTile, SIGNAL(triggered()), d->mdiArea, SLOT(tileSubWindows()));
 
     d->mdiNextWindow = actionManager->createAction("windows_next");
     connect(d->mdiNextWindow, SIGNAL(triggered()), d->mdiArea, SLOT(activateNextSubWindow()));
 
     d->mdiPreviousWindow = actionManager->createAction("windows_previous");
     connect(d->mdiPreviousWindow, SIGNAL(triggered()), d->mdiArea, SLOT(activatePreviousSubWindow()));
 
     d->newWindow = actionManager->createAction("view_newwindow");
     connect(d->newWindow, SIGNAL(triggered(bool)), this, SLOT(newWindow()));
 
     d->close = actionManager->createAction("file_close");
     connect(d->close, SIGNAL(triggered()), SLOT(closeCurrentWindow()));
 
+    d->showSessionManager = actionManager->createAction("file_sessions");
+    connect(d->showSessionManager, SIGNAL(triggered(bool)), this, SLOT(slotShowSessionManager()));
+
     actionManager->createStandardAction(KStandardAction::Preferences, this, SLOT(slotPreferences()));
 
     for (int i = 0; i < 2; i++) {
         d->expandingSpacers[i] = new KisAction(i18n("Expanding Spacer"));
         d->expandingSpacers[i]->setDefaultWidget(new QWidget(this));
         d->expandingSpacers[i]->defaultWidget()->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
         actionManager->addAction(QString("expanding_spacer_%1").arg(i), d->expandingSpacers[i]);
     }
 }
 
 void KisMainWindow::applyToolBarLayout()
 {
     const bool isPlastiqueStyle = style()->objectName() == "plastique";
 
     Q_FOREACH (KToolBar *toolBar, toolBars()) {
         toolBar->layout()->setSpacing(4);
         if (isPlastiqueStyle) {
             toolBar->setContentsMargins(0, 0, 0, 2);
         }
         //Hide text for buttons with an icon in the toolbar
         Q_FOREACH (QAction *ac, toolBar->actions()){
             if (ac->icon().pixmap(QSize(1,1)).isNull() == false){
                 ac->setPriority(QAction::LowPriority);
             }else {
                 ac->setIcon(QIcon());
             }
         }
     }
 }
 
 void KisMainWindow::initializeGeometry()
 {
     // if the user didn's specify the geometry on the command line (does anyone do that still?),
     // we first figure out some good default size and restore the x,y position. See bug 285804Z.
-    KConfigGroup cfg( KSharedConfig::openConfig(), "MainWindow");
+    KConfigGroup cfg = d->windowStateConfig;
     QByteArray geom = QByteArray::fromBase64(cfg.readEntry("ko_geometry", QByteArray()));
     if (!restoreGeometry(geom)) {
         const int scnum = QApplication::desktop()->screenNumber(parentWidget());
         QRect desk = QApplication::desktop()->availableGeometry(scnum);
         // if the desktop is virtual then use virtual screen size
         if (QApplication::desktop()->isVirtualDesktop()) {
             desk = QApplication::desktop()->availableGeometry(QApplication::desktop()->screen(scnum));
         }
 
         quint32 x = desk.x();
         quint32 y = desk.y();
         quint32 w = 0;
         quint32 h = 0;
 
         // Default size -- maximize on small screens, something useful on big screens
         const int deskWidth = desk.width();
         if (deskWidth > 1024) {
             // a nice width, and slightly less than total available
             // height to componensate for the window decs
             w = (deskWidth / 3) * 2;
             h = (desk.height() / 3) * 2;
         }
         else {
             w = desk.width();
             h = desk.height();
         }
 
         x += (desk.width() - w) / 2;
         y += (desk.height() - h) / 2;
 
         move(x,y);
         setGeometry(geometry().x(), geometry().y(), w, h);
     }
     restoreWorkspace(QByteArray::fromBase64(cfg.readEntry("State", QByteArray())));
 
     d->fullScreenMode->setChecked(isFullScreen());
 }
 
 void KisMainWindow::showManual()
 {
     QDesktopServices::openUrl(QUrl("https://docs.krita.org"));
 }
 
 void KisMainWindow::showDockerTitleBars(bool show)
 {
     Q_FOREACH (QDockWidget *dock, dockWidgets()) {
         if (dock->titleBarWidget()) {
             const bool isCollapsed = (dock->widget() && dock->widget()->isHidden()) || !dock->widget();
             dock->titleBarWidget()->setVisible(show || (dock->isFloating() && isCollapsed));
         }
     }
 
     KisConfig cfg;
     cfg.setShowDockerTitleBars(show);
 }
 
 void KisMainWindow::moveEvent(QMoveEvent *e)
 {
     if (qApp->desktop()->screenNumber(this) != qApp->desktop()->screenNumber(e->oldPos())) {
         KisConfigNotifier::instance()->notifyConfigChanged();
     }
 }
 
 
 
 #include <moc_KisMainWindow.cpp>
diff --git a/libs/ui/KisMainWindow.h b/libs/ui/KisMainWindow.h
index ee23b8d9b6..34d4959729 100644
--- a/libs/ui/KisMainWindow.h
+++ b/libs/ui/KisMainWindow.h
@@ -1,466 +1,472 @@
 /* This file is part of the KDE project
    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
    Copyright (C) 2000-2004 David Faure <faure@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #ifndef KIS_MAIN_WINDOW_H
 #define KIS_MAIN_WINDOW_H
 
 #include "kritaui_export.h"
 
 #include <QPointer>
 #include <QPrinter>
+#include <QUuid>
+#include <QUrl>
 
 #include <xmlgui/kxmlguiwindow.h>
-#include <QUrl>
 #include <KoCanvasObserverBase.h>
 #include <KoCanvasSupervisor.h>
 #include "KisView.h"
 
 class QCloseEvent;
 class QMoveEvent;
 
 struct KoPageLayout;
 class KoCanvasResourceManager;
 
 class KisDocument;
 class KisPrintJob;
 class KoDockFactoryBase;
 class QDockWidget;
 class KisView;
 class KisViewManager;
 class KoCanvasController;
 
 
 /**
  * @brief Main window for Krita
  *
  * This class is used to represent a main window within a Krita session. Each
  * main window contains a menubar and some toolbars, and potentially several
  * views of several canvases.
  *
  */
 class KRITAUI_EXPORT KisMainWindow : public KXmlGuiWindow, public KoCanvasSupervisor
 {
     Q_OBJECT
 
 public:
     enum OpenFlag {
         None = 0,
         Import = 0x1,
         BatchMode = 0x2,
         RecoveryFile = 0x4
     };
     Q_DECLARE_FLAGS(OpenFlags, OpenFlag)
 
 public:
 
     /**
      *  Constructor.
      *
      *  Initializes a Calligra main window (with its basic GUI etc.).
      */
-    explicit KisMainWindow();
+    explicit KisMainWindow(QUuid id = QUuid());
 
     /**
      *  Destructor.
      */
     ~KisMainWindow() override;
 
-
-    // If noCleanup is set, KisMainWindow will not delete the root document
-    // or part manager on destruction.
-    void setNoCleanup(bool noCleanup);
+    QUuid id() const;
 
     /**
      * @brief showView shows the given view. Override this if you want to show
      * the view in a different way than by making it the central widget, for instance
      * as an QMdiSubWindow
      */
     virtual void showView(KisView *view);
 
     /**
      * @returns the currently active view
      */
     KisView *activeView() const;
 
     /**
      * Sets the maximum number of recent documents entries.
      */
     void setMaxRecentItems(uint _number);
 
     /**
      * The document opened a URL -> store into recent documents list.
      */
     void addRecentURL(const QUrl &url);
 
     /**
      * Load the desired document and show it.
      * @param url the URL to open
      *
      * @return TRUE on success.
      */
     bool openDocument(const QUrl &url, OpenFlags flags);
 
     /**
      * Saves the document, asking for a filename if necessary.
      *
      * @param saveas if set to TRUE the user is always prompted for a filename
      * @param silent if set to TRUE rootDocument()->setTitleModified will not be called.
      *
      * @return TRUE on success, false on error or cancel
      *         (don't display anything in this case, the error dialog box is also implemented here
      *         but restore the original URL in slotFileSaveAs)
      */
     bool saveDocument(KisDocument *document, bool saveas, bool isExporting);
 
     void setReadWrite(bool readwrite);
 
     /// Return the list of dock widgets belonging to this main window.
     QList<QDockWidget*> dockWidgets() const;
 
     QDockWidget* dockWidget(const QString &id);
 
     QList<KoCanvasObserverBase*> canvasObservers() const override;
 
     KoCanvasResourceManager *resourceManager() const;
 
     int viewCount() const;
 
+    void saveWindowState(bool restoreNormalState =false);
+
+    const KConfigGroup &windowStateConfig() const;
+
     /**
      * A wrapper around restoreState
      * @param state the saved state
      * @return TRUE on success
      */
     bool restoreWorkspace(const QByteArray &state);
 
     KisViewManager *viewManager() const;
 
     KisView *addViewAndNotifyLoadingCompleted(KisDocument *document);
 
     QStringList showOpenFileDialog(bool isImporting);
 
     /**
      * Shows if the main window is saving anything right now. If the
      * user presses Ctrl+W too fast, then the document can be close
      * before the saving is completed. I'm not sure if it is fixable
      * in any way without avoiding using porcessEvents()
      * everywhere (DK)
      *
      * Don't use it unless you have no option.
      */
     bool hackIsSaving() const;
 
 Q_SIGNALS:
 
     /**
      * This signal is emitted if the document has been saved successfully.
      */
     void documentSaved();
 
     /// This signal is emitted when this windows has finished loading of a
     /// document. The document may be opened in another window in the end.
     /// In this case, the signal means there is no link between the window
     /// and the document anymore.
     void loadCompleted();
 
     /// This signal is emitted right after the docker states have been succefully restored from config
     void restoringDone();
 
     /// This signal is emitted when the color theme changes
     void themeChanged();
 
     /// This signal is emitted when the shortcut key configuration has changed
     void keyBindingsChanged();
 
     void guiLoadingFinished();
 
 public Q_SLOTS:
 
     /**
      *  Slot for opening a new document.
      *
      *  If the current document is empty, the new document replaces it.
      *  If not, a new mainwindow will be opened for showing the document.
      */
     void slotFileNew();
 
     /**
      *  Slot for opening a saved file.
      *
      *  If the current document is empty, the opened document replaces it.
      *  If not a new mainwindow will be opened for showing the opened file.
      */
     void slotFileOpen(bool isImporting = false);
 
     /**
      *  Slot for opening a file among the recently opened files.
      *
      *  If the current document is empty, the opened document replaces it.
      *  If not a new mainwindow will be opened for showing the opened file.
      */
     void slotFileOpenRecent(const QUrl &);
 
     /**
      * @brief slotPreferences open the preferences dialog
      */
     void slotPreferences();
 
     /**
      * Update caption from document info - call when document info
      * (title in the about page) changes.
      */
     void updateCaption();
 
     /**
      *  Saves the current document with the current name.
      */
     void slotFileSave();
 
+
+    void slotShowSessionManager();
+
     // XXX: disabled
     KisPrintJob* exportToPdf(QString pdfFileName = QString());
 
     /**
      * Update the option widgets to the argument ones, removing the currently set widgets.
      */
     void newOptionWidgets(KoCanvasController *controller, const QList<QPointer<QWidget> > & optionWidgetList);
 
     KisView *newView(QObject *document);
 
     void notifyChildViewDestroyed(KisView *view);
 
 private Q_SLOTS:
     /**
      * Save the list of recent files.
      */
     void saveRecentFiles();
 
     void slotLoadCompleted();
     void slotLoadCanceled(const QString &);
     void slotSaveCompleted();
     void slotSaveCanceled(const QString &);
     void forceDockTabFonts();
 
     /**
      * @internal
      */
     void slotDocumentTitleModified();
 
     /**
      *  Prints the actual document.
      */
     void slotFilePrint();
 
     /**
      *  Saves the current document with a new name.
      */
     void slotFileSaveAs();
 
     void slotFilePrintPreview();
 
     void importAnimation();
 
     /**
      * Show a dialog with author and document information.
      */
     void slotDocumentInfo();
 
     /**
      * Closes all open documents.
      */
     bool slotFileCloseAll();
 
     /**
      * @brief showAboutApplication show the about box
      */
     virtual void showAboutApplication();
 
     /**
      *  Closes the mainwindow.
      */
     void slotFileQuit();
 
     /**
      *  Configure toolbars.
      */
     void slotConfigureToolbars();
 
     /**
      *  Post toolbar config.
      * (Plug action lists back in, etc.)
      */
     void slotNewToolbarConfig();
 
     /**
      *  Shows or hides a toolbar
      */
     void slotToolbarToggled(bool toggle);
 
     /**
      * Toggle full screen on/off.
      */
     void viewFullscreen(bool fullScreen);
 
     /**
      * Toggle docker titlebars on/off.
      */
     void showDockerTitleBars(bool show);
 
     /**
      * Reload file
      */
     void slotReloadFile();
 
     /**
      * File --> Import
      *
      * This will call slotFileOpen().
      */
     void slotImportFile();
 
     /**
      * File --> Export
      *
      * This will call slotFileSaveAs().
      */
     void slotExportFile();
 
     /**
      * Hide the dockers
      */
     void toggleDockersVisibility(bool visible);
 
     /**
      * Handle theme changes from theme manager
      */
     void slotThemeChanged();
 
     void undo();
     void redo();
     void updateWindowMenu();
     void setActiveSubWindow(QWidget *window);
     void configChanged();
 
     void newWindow();
     void closeCurrentWindow();
     void checkSanity();
     /// Quits Krita with error message from m_errorMessage.
     void showErrorAndDie();
 
 protected:
 
     void closeEvent(QCloseEvent * e) override;
     void resizeEvent(QResizeEvent * e) override;
 
     // QWidget overrides
     void dragEnterEvent(QDragEnterEvent * event) override;
     void dropEvent(QDropEvent * event) override;
     void dragMoveEvent(QDragMoveEvent * event) override;
     void dragLeaveEvent(QDragLeaveEvent * event) override;
 
     void mouseReleaseEvent(QMouseEvent *event) override;
 
 
 private:
 
     /**
      * Add a the given view to the list of views of this mainwindow.
      * This is a private implementation. For public usage please use
      * newView() and addViewAndNotifyLoadingCompleted().
      */
     void addView(KisView *view);
 
 public Q_SLOTS:
 
     /// Set the active view, this will update the undo/redo actions
     void setActiveView(KisView *view);
 
     void subWindowActivated();
 
 
 private:
 
     friend class KisApplication;
+    friend class KisPart;
 
 
     /**
      * Returns the dockwidget specified by the @p factory. If the dock widget doesn't exist yet it's created.
      * Add a "view_palette_action_menu" action to your view menu if you want to use closable dock widgets.
      * @param factory the factory used to create the dock widget if needed
      * @return the dock widget specified by @p factory (may be 0)
      */
     QDockWidget* createDockWidget(KoDockFactoryBase* factory);
 
     bool openDocumentInternal(const QUrl &url, KisMainWindow::OpenFlags flags = 0);
 
     /**
      * Reloads the recent documents list.
      */
     void reloadRecentFileList();
 
     /**
      * Updates the window caption based on the document info and path.
      */
     void updateCaption(const QString & caption, bool mod);
     void updateReloadFileAction(KisDocument *doc);
 
     void saveWindowSettings();
 
     QPointer<KisView>activeKisView();
 
     void applyDefaultSettings(QPrinter &printer);
 
     void createActions();
 
     void applyToolBarLayout();
 
 protected:
 
     void moveEvent(QMoveEvent *e) override;
 
 private Q_SLOTS:
     void initializeGeometry();
     void showManual();
     void switchTab(int index);
 
 private:
 
 
     /**
      * Struct used in the list created by createCustomDocumentWidgets()
      */
     struct CustomDocumentWidgetItem {
         /// Pointer to the custom document widget
         QWidget *widget;
         /// title used in the sidebar. If left empty it will be displayed as "Custom Document"
         QString title;
         /// icon used in the sidebar. If left empty it will use the unknown icon
         QString icon;
     };
 
     class Private;
     Private * const d;
 
     QString m_errorMessage;
     bool m_dieOnError;
 
 };
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(KisMainWindow::OpenFlags)
 
 #endif
diff --git a/libs/ui/KisPart.cpp b/libs/ui/KisPart.cpp
index 645991d798..4b7ba842c0 100644
--- a/libs/ui/KisPart.cpp
+++ b/libs/ui/KisPart.cpp
@@ -1,479 +1,563 @@
 /* This file is part of the KDE project
  * Copyright (C) 1998-1999 Torben Weis       <weis@kde.org>
  * Copyright (C) 2000-2005 David Faure       <faure@kde.org>
  * Copyright (C) 2007-2008 Thorsten Zachmann <zachmann@kde.org>
  * Copyright (C) 2010-2012 Boudewijn Rempt   <boud@valdyas.org>
  * Copyright (C) 2011 Inge Wallin            <ingwa@kogmbh.com>
  * Copyright (C) 2015 Michael Abrahams       <miabraha@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "KisPart.h"
 
 #include "KoProgressProxy.h"
 #include <KoCanvasController.h>
 #include <KoCanvasControllerWidget.h>
 #include <KoColorSpaceEngine.h>
 #include <KoCanvasBase.h>
 #include <KoToolManager.h>
 #include <KoShapeBasedDocumentBase.h>
 #include <KoResourceServerProvider.h>
 #include <kis_icon.h>
 
 #include "KisApplication.h"
 #include "KisDocument.h"
 #include "KisView.h"
 #include "KisViewManager.h"
 #include "KisImportExportManager.h"
 
 #include <kis_debug.h>
 #include <KoResourcePaths.h>
 #include <KoDialog.h>
 #include <kdesktopfile.h>
 #include <QMessageBox>
 #include <klocalizedstring.h>
 #include <kactioncollection.h>
 #include <kconfig.h>
 #include <kconfiggroup.h>
 #include <QKeySequence>
 
 #include <QDialog>
 #include <QApplication>
 #include <QDomDocument>
 #include <QDomElement>
 #include <QGlobalStatic>
 #include <KisMimeDatabase.h>
+#include <dialogs/KisSessionManagerDialog.h>
 
 #include "KisView.h"
 #include "KisDocument.h"
 #include "kis_config.h"
 #include "kis_shape_controller.h"
 #include "kis_resource_server_provider.h"
 #include "kis_animation_cache_populator.h"
 #include "kis_idle_watcher.h"
 #include "kis_image.h"
 #include "KisImportExportManager.h"
 #include "KisDocument.h"
 #include "KoToolManager.h"
 #include "KisViewManager.h"
 #include "kis_script_manager.h"
 #include "KisOpenPane.h"
 
 #include "kis_color_manager.h"
 #include "kis_debug.h"
 
 #include "kis_action.h"
 #include "kis_action_registry.h"
+#include "KisSessionResource.h"
 
 Q_GLOBAL_STATIC(KisPart, s_instance)
 
 
 class Q_DECL_HIDDEN KisPart::Private
 {
 public:
     Private(KisPart *_part)
         : part(_part)
         , idleWatcher(2500)
         , animationCachePopulator(_part)
     {
     }
 
     ~Private()
     {
     }
 
     KisPart *part;
 
     QList<QPointer<KisView> > views;
     QList<QPointer<KisMainWindow> > mainWindows;
     QList<QPointer<KisDocument> > documents;
     QList<KisAction*> scriptActions;
 
     KActionCollection *actionCollection{0};
 
     KisIdleWatcher idleWatcher;
     KisAnimationCachePopulator animationCachePopulator;
+
+    KisSessionResource *currentSession = nullptr;
+    bool closingSession{false};
+    QScopedPointer<KisSessionManagerDialog> sessionManager;
+
+    bool queryCloseDocument(KisDocument *document) {
+        Q_FOREACH(auto view, views) {
+            if (view && view->isVisible() && view->document() == document) {
+                return view->queryClose();
+            }
+        }
+
+        return false;
+    }
 };
 
 
 KisPart* KisPart::instance()
 {
     return s_instance;
 }
 
 
 KisPart::KisPart()
     : d(new Private(this))
 {
     // Preload all the resources in the background
     Q_UNUSED(KoResourceServerProvider::instance());
     Q_UNUSED(KisResourceServerProvider::instance());
     Q_UNUSED(KisColorManager::instance());
 
     connect(this, SIGNAL(documentOpened(QString)),
             this, SLOT(updateIdleWatcherConnections()));
 
     connect(this, SIGNAL(documentClosed(QString)),
             this, SLOT(updateIdleWatcherConnections()));
 
     connect(KisActionRegistry::instance(), SIGNAL(shortcutsUpdated()),
             this, SLOT(updateShortcuts()));
     connect(&d->idleWatcher, SIGNAL(startedIdleMode()),
             &d->animationCachePopulator, SLOT(slotRequestRegeneration()));
 
     d->animationCachePopulator.slotRequestRegeneration();
 }
 
 KisPart::~KisPart()
 {
     while (!d->documents.isEmpty()) {
         delete d->documents.takeFirst();
     }
 
     while (!d->views.isEmpty()) {
         delete d->views.takeFirst();
     }
 
     while (!d->mainWindows.isEmpty()) {
         delete d->mainWindows.takeFirst();
     }
 
     delete d;
 }
 
 void KisPart::updateIdleWatcherConnections()
 {
     QVector<KisImageSP> images;
 
     Q_FOREACH (QPointer<KisDocument> document, documents()) {
         if (document->image()) {
             images << document->image();
         }
     }
 
     d->idleWatcher.setTrackedImages(images);
 }
 
 void KisPart::addDocument(KisDocument *document)
 {
     //dbgUI << "Adding document to part list" << document;
     Q_ASSERT(document);
     if (!d->documents.contains(document)) {
         d->documents.append(document);
         emit documentOpened('/'+objectName());
         emit sigDocumentAdded(document);
         connect(document, SIGNAL(sigSavingFinished()), SLOT(slotDocumentSaved()));
     }
 }
 
 QList<QPointer<KisDocument> > KisPart::documents() const
 {
     return d->documents;
 }
 
 KisDocument *KisPart::createDocument() const
 {
     KisDocument *doc = new KisDocument();
     return doc;
 }
 
 
 int KisPart::documentCount() const
 {
     return d->documents.size();
 }
 
 void KisPart::removeDocument(KisDocument *document)
 {
     d->documents.removeAll(document);
     emit documentClosed('/'+objectName());
     emit sigDocumentRemoved(document->url().toLocalFile());
     document->deleteLater();
 }
 
-KisMainWindow *KisPart::createMainWindow()
+KisMainWindow *KisPart::createMainWindow(QUuid id)
 {
-    KisMainWindow *mw = new KisMainWindow();
+    KisMainWindow *mw = new KisMainWindow(id);
     Q_FOREACH(KisAction *action, d->scriptActions) {
         mw->viewManager()->scriptManager()->addAction(action);
     }
     dbgUI <<"mainWindow" << (void*)mw << "added to view" << this;
     d->mainWindows.append(mw);
     emit sigWindowAdded(mw);
     return mw;
 }
 
 KisView *KisPart::createView(KisDocument *document,
                              KoCanvasResourceManager *resourceManager,
                              KActionCollection *actionCollection,
                              QWidget *parent)
 {
     // If creating the canvas fails, record this and disable OpenGL next time
     KisConfig cfg;
     KConfigGroup grp( KSharedConfig::openConfig(), "crashprevention");
     if (grp.readEntry("CreatingCanvas", false)) {
         cfg.setUseOpenGL(false);
     }
     if (cfg.canvasState() == "OPENGL_FAILED") {
         cfg.setUseOpenGL(false);
     }
     grp.writeEntry("CreatingCanvas", true);
     grp.sync();
 
     QApplication::setOverrideCursor(Qt::WaitCursor);
     KisView *view  = new KisView(document, resourceManager, actionCollection, parent);
     QApplication::restoreOverrideCursor();
 
     // Record successful canvas creation
     grp.writeEntry("CreatingCanvas", false);
     grp.sync();
 
     addView(view);
 
     return view;
 }
 
 void KisPart::addView(KisView *view)
 {
     if (!view)
         return;
 
     if (!d->views.contains(view)) {
         d->views.append(view);
     }
 
     emit sigViewAdded(view);
 }
 
 void KisPart::removeView(KisView *view)
 {
     if (!view) return;
 
     /**
      * HACK ALERT: we check here explicitly if the document (or main
      *             window), is saving the stuff. If we close the
      *             document *before* the saving is completed, a crash
      *             will happen.
      */
     KIS_ASSERT_RECOVER_RETURN(!view->mainWindow()->hackIsSaving());
 
     emit sigViewRemoved(view);
 
     QPointer<KisDocument> doc = view->document();
     d->views.removeAll(view);
 
     if (doc) {
         bool found = false;
         Q_FOREACH (QPointer<KisView> view, d->views) {
             if (view && view->document() == doc) {
                 found = true;
                 break;
             }
         }
         if (!found) {
             removeDocument(doc);
         }
     }
 }
 
 QList<QPointer<KisView> > KisPart::views() const
 {
     return d->views;
 }
 
 int KisPart::viewCount(KisDocument *doc) const
 {
     if (!doc) {
         return d->views.count();
     }
     else {
         int count = 0;
         Q_FOREACH (QPointer<KisView> view, d->views) {
             if (view && view->isVisible() && view->document() == doc) {
                 count++;
             }
         }
         return count;
     }
 }
 
+bool KisPart::closingSession() const
+{
+    return d->closingSession;
+}
+
+bool KisPart::closeSession()
+{
+    d->closingSession = true;
+
+    Q_FOREACH(auto document, d->documents) {
+        if (!d->queryCloseDocument(document.data())) {
+            d->closingSession = false;
+            return false;
+        }
+    }
+
+    if (d->currentSession) {
+        d->currentSession->storeCurrentWindows();
+        d->currentSession->save();
+
+        KConfigGroup cfg = KSharedConfig::openConfig()->group("session");
+        cfg.writeEntry("previousSession", d->currentSession->name());
+    }
+
+    Q_FOREACH (auto window, d->mainWindows) {
+        window->close();
+    }
+
+    d->closingSession = false;
+    return true;
+}
+
 void KisPart::slotDocumentSaved()
 {
     KisDocument *doc = qobject_cast<KisDocument*>(sender());
     emit sigDocumentSaved(doc->url().toLocalFile());
 }
 
 void KisPart::removeMainWindow(KisMainWindow *mainWindow)
 {
     dbgUI <<"mainWindow" << (void*)mainWindow <<"removed from doc" << this;
     if (mainWindow) {
         d->mainWindows.removeAll(mainWindow);
     }
 }
 
 const QList<QPointer<KisMainWindow> > &KisPart::mainWindows() const
 {
     return d->mainWindows;
 }
 
 int KisPart::mainwindowCount() const
 {
     return d->mainWindows.count();
 }
 
 
 KisMainWindow *KisPart::currentMainwindow() const
 {
     QWidget *widget = qApp->activeWindow();
     KisMainWindow *mainWindow = qobject_cast<KisMainWindow*>(widget);
     while (!mainWindow && widget) {
         widget = widget->parentWidget();
         mainWindow = qobject_cast<KisMainWindow*>(widget);
     }
 
     if (!mainWindow && mainWindows().size() > 0) {
         mainWindow = mainWindows().first();
     }
     return mainWindow;
 
 }
 
 void KisPart::addScriptAction(KisAction *action)
 {
     d->scriptActions << action;
 }
 
 KisIdleWatcher* KisPart::idleWatcher() const
 {
     return &d->idleWatcher;
 }
 
 KisAnimationCachePopulator* KisPart::cachePopulator() const
 {
     return &d->animationCachePopulator;
 }
 
 void KisPart::openExistingFile(const QUrl &url)
 {
     // TODO: refactor out this method!
 
     KisMainWindow *mw = currentMainwindow();
     KIS_SAFE_ASSERT_RECOVER_RETURN(mw);
 
     mw->openDocument(url, KisMainWindow::None);
 }
 
 void KisPart::updateShortcuts()
 {
     // Update any non-UI actionCollections.  That includes:
     //  - Shortcuts called inside of tools
     //  - Perhaps other things?
     KoToolManager::instance()->updateToolShortcuts();
 
     // Now update the UI actions.
     Q_FOREACH (KisMainWindow *mainWindow, d->mainWindows) {
         KActionCollection *ac = mainWindow->actionCollection();
 
         ac->updateShortcuts();
 
         // Loop through mainWindow->actionCollections() to modify tooltips
         // so that they list shortcuts at the end in parentheses
         Q_FOREACH ( QAction* action, ac->actions())
         {
             // Remove any existing suffixes from the tooltips.
             // Note this regexp starts with a space, e.g. " (Ctrl-a)"
             QString strippedTooltip = action->toolTip().remove(QRegExp("\\s\\(.*\\)"));
 
             // Now update the tooltips with the new shortcut info.
             if(action->shortcut() == QKeySequence(0))
                 action->setToolTip(strippedTooltip);
             else
                 action->setToolTip( strippedTooltip + " (" + action->shortcut().toString() + ")");
         }
     }
 }
 
 void KisPart::openTemplate(const QUrl &url)
 {
     qApp->setOverrideCursor(Qt::BusyCursor);
     KisDocument *document = createDocument();
 
     bool ok = document->loadNativeFormat(url.toLocalFile());
     document->setModified(false);
     document->undoStack()->clear();
 
     if (ok) {
         QString mimeType = KisMimeDatabase::mimeTypeForFile(url.toLocalFile());
         // in case this is a open document template remove the -template from the end
         mimeType.remove( QRegExp( "-template$" ) );
         document->setMimeTypeAfterLoading(mimeType);
         document->resetURL();
     }
     else {
         if (document->errorMessage().isEmpty()) {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("Could not create document from template\n%1", document->localFilePath()));
         }
         else {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("Could not create document from template\n%1\nReason: %2", document->localFilePath(), document->errorMessage()));
         }
         delete document;
         return;
     }
     addDocument(document);
 
     KisMainWindow *mw = currentMainwindow();
     mw->addViewAndNotifyLoadingCompleted(document);
 
     KisOpenPane *pane = qobject_cast<KisOpenPane*>(sender());
     if (pane) {
         pane->hide();
         pane->deleteLater();
 
     }
 
     qApp->restoreOverrideCursor();
 }
 
 void KisPart::addRecentURLToAllMainWindows(QUrl url)
 {
     // Add to recent actions list in our mainWindows
     Q_FOREACH (KisMainWindow *mainWindow, d->mainWindows) {
         mainWindow->addRecentURL(url);
     }
 }
 
 
 void KisPart::startCustomDocument(KisDocument* doc)
 {
     addDocument(doc);
     KisMainWindow *mw = currentMainwindow();
     KisOpenPane *pane = qobject_cast<KisOpenPane*>(sender());
     if (pane) {
         pane->hide();
         pane->deleteLater();
     }
     mw->addViewAndNotifyLoadingCompleted(doc);
 
 }
 
 KisInputManager* KisPart::currentInputManager()
 {
     KisMainWindow *mw = currentMainwindow();
     KisViewManager *manager = mw ? mw->viewManager() : 0;
     return manager ? manager->inputManager() : 0;
 }
 
+void KisPart::showSessionManager()
+{
+    if (d->sessionManager.isNull()) {
+        d->sessionManager.reset(new KisSessionManagerDialog());
+    }
+
+    d->sessionManager->show();
+}
+
+void KisPart::startBlankSession()
+{
+    KisMainWindow *window = createMainWindow();
+    window->initializeGeometry();
+    window->show();
+
+}
+
+bool KisPart::restorePreviousSession()
+{
+    KConfigGroup cfg = KSharedConfig::openConfig()->group("session");
+    const QString &sessionName = cfg.readEntry("previousSession");
+    if (sessionName.isNull()) return false;
+
+    KoResourceServer<KisSessionResource> * rserver = KisResourceServerProvider::instance()->sessionServer();
+    auto *session = rserver->resourceByName(sessionName);
+    if (!session || !session->valid()) return false;
+
+    session->restore();
+
+    return true;
+}
+
+void KisPart::setCurrentSession(KisSessionResource *session)
+{
+    d->currentSession = session;
+}
\ No newline at end of file
diff --git a/libs/ui/KisPart.h b/libs/ui/KisPart.h
index b0c71af228..4ebab2f784 100644
--- a/libs/ui/KisPart.h
+++ b/libs/ui/KisPart.h
@@ -1,259 +1,287 @@
 /* This file is part of the KDE project
    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
    Copyright (C) 2000-2005 David Faure  <faure@kde.org>
    Copyright (C) 2007 Thorsten Zachmann <zachmann@kde.org>
    Copyright (C) 2010 Boudewijn Rempt   <boud@valdyas.org>
    Copyright (C) 2015 Michael Abrahams  <miabraha@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #ifndef KIS_PART_H
 #define KIS_PART_H
 
 #include <QList>
 #include <QPointer>
 #include <QUrl>
+#include <QUuid>
 
 #include "kritaui_export.h"
+#include <KConfigCore/kconfiggroup.h>
 #include <KoConfig.h>
 #include <KisMainWindow.h>
 
 namespace KIO {
 }
 
 class KisAction;
 class KisDocument;
 class KisView;
 class KisDocument;
 class KisIdleWatcher;
 class KisAnimationCachePopulator;
+class KisSessionResource;
 
 /**
  * KisPart is the Great Deku Tree of Krita.
  *
  * It is a singleton class which provides the main entry point to the application.
  * Krita supports multiple documents, multiple main windows, and multiple
  * components.  KisPart manages these resources and provides them to the rest of
  * Krita.  It manages lists of Actions and shortcuts as well.
  *
  * The terminology comes from KParts, which is a system allowing one KDE app
  * to be run from inside another, like pressing F4 inside dophin to run konsole.
  *
  * Needless to say, KisPart hasn't got much to do with KParts anymore.
  */
 class KRITAUI_EXPORT KisPart : public QObject
 {
     Q_OBJECT
 
 public:
 
     static KisPart *instance();
 
     /**
      * Constructor.
      *
      * @param parent may be another KisDocument, or anything else.
      *        Usually passed by KPluginFactory::create.
      */
     explicit KisPart();
 
     /**
      *  Destructor.
      *
      * The destructor does not delete any attached KisView objects and it does not
      * delete the attached widget as returned by widget().
      */
     ~KisPart() override;
 
     // ----------------- Document management -----------------
 
     /**
      * create an empty document. The document is not automatically registered with the part.
      */
     KisDocument *createDocument() const;
 
     /**
      * Add the specified document to the list of documents this KisPart manages.
      */
     void addDocument(KisDocument *document);
 
     /**
      * @return a list of all documents this part manages
      */
     QList<QPointer<KisDocument> > documents() const;
 
     /**
      * @return number of documents this part manages.
      */
     int documentCount() const;
 
     void removeDocument(KisDocument *document);
 
     // ----------------- MainWindow management -----------------
 
+
     /**
      * Create a new main window.
      */
-    KisMainWindow *createMainWindow();
+    KisMainWindow *createMainWindow(QUuid id = QUuid());
 
     /**
      * Removes a main window from the list of managed windows.
      *
      * This is called by the MainWindow after it finishes its shutdown routine.
      */
     void removeMainWindow(KisMainWindow *mainWindow);
 
     /**
      * @return the list of main windows.
      */
     const QList<QPointer<KisMainWindow> >& mainWindows() const;
 
     /**
      * @return the number of shells for the main window
      */
     int mainwindowCount() const;
 
     void addRecentURLToAllMainWindows(QUrl url);
 
     /**
      * @return the currently active main window.
      */
     KisMainWindow *currentMainwindow() const;
 
     /**
      * Add a given action to the list of dynamically defined actions. On creating
      * a mainwindow, all these actions will be added to the script manager.
      */
     void addScriptAction(KisAction *);
 
     /**
      * Load actions for currently active main window into KisActionRegistry.
      */
     void loadActions();
 
     /**
      * @return the application-wide KisIdleWatcher.
      */
     KisIdleWatcher *idleWatcher() const;
 
     /**
      * @return the application-wide AnimationCachePopulator.
      */
     KisAnimationCachePopulator *cachePopulator() const;
 
 
 public Q_SLOTS:
 
     /**
      * This slot loads an existing file.
      * @param url the file to load
      */
     void openExistingFile(const QUrl &url);
 
     /**
      * This slot loads a template and deletes the sender.
      * @param url the template to load
      */
     void openTemplate(const QUrl &url);
 
 
     /**
      * @brief startCustomDocument adds the given document to the document list and deletes the sender()
      * @param doc
      */
     void startCustomDocument(KisDocument *doc);
 
 private Q_SLOTS:
 
     void updateIdleWatcherConnections();
 
     void updateShortcuts();
 
 Q_SIGNALS:
     /**
      * emitted when a new document is opened. (for the idle watcher)
      */
     void documentOpened(const QString &ref);
 
     /**
      * emitted when an old document is closed. (for the idle watcher)
      */
     void documentClosed(const QString &ref);
 
     // These signals are for libkis or sketch
     void sigViewAdded(KisView *view);
     void sigViewRemoved(KisView *view);
     void sigDocumentAdded(KisDocument *document);
     void sigDocumentSaved(const QString &url);
     void sigDocumentRemoved(const QString &filename);
     void sigWindowAdded(KisMainWindow *window);
 
 public:
 
     KisInputManager *currentInputManager();
 
     //------------------ View management ------------------
 
     /**
      * Create a new view for the document. The view is added to the list of
      * views, and if the document wasn't known yet, it's registered as well.
      */
     KisView *createView(KisDocument *document,
                         KoCanvasResourceManager *resourceManager,
                         KActionCollection *actionCollection,
                         QWidget *parent);
 
     /**
      * Adds a view to the document. If the part doesn't know yet about
      * the document, it is registered.
      *
      * This calls KisView::updateReadWrite to tell the new view
      * whether the document is readonly or not.
      */
     void addView(KisView *view);
 
     /**
      * Removes a view of the document.
      */
     void removeView(KisView *view);
 
     /**
      * @return a list of views this document is displayed in
      */
     QList<QPointer<KisView> > views() const;
 
     /**
      * @return number of views this document is displayed in
      */
     int viewCount(KisDocument *doc) const;
 
+    //------------------ Session management ------------------
+
+    void showSessionManager();
+
+    void startBlankSession();
+
+    /**
+     * Restores previous session saved in configuration.
+     */
+    bool restorePreviousSession();
+
+    void setCurrentSession(KisSessionResource *session);
+
+    /**
+     * Attempts to save the session and close all windows.
+     * This may involve asking the user to save open files.
+     * @return false, if closing was cancelled by the user
+     */
+    bool closeSession();
+
+    /**
+     * Are we in the process of closing the application through closeSession().
+     */
+    bool closingSession() const;
 
 private Q_SLOTS:
 
     void slotDocumentSaved();
 
 private:
 
     Q_DISABLE_COPY(KisPart)
 
     class Private;
     Private *const d;
 
 
 };
 
 #endif
diff --git a/libs/ui/KisSessionResource.cpp b/libs/ui/KisSessionResource.cpp
new file mode 100644
index 0000000000..1bb10c9cd8
--- /dev/null
+++ b/libs/ui/KisSessionResource.cpp
@@ -0,0 +1,144 @@
+/*
+ *  Copyright (c) 2018 Jouni Pentikäinen <joupent@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include "KisSessionResource.h"
+
+#include <QDomElement>
+
+#include <KisPart.h>
+#include <kis_properties_configuration.h>
+#include <KisDocument.h>
+
+struct KisSessionResource::Private
+{
+    struct View
+    {
+        QUuid windowId;
+        QUrl file;
+        KisPropertiesConfiguration viewConfig;
+
+        KisMainWindow *getWindow() const {
+            Q_FOREACH(KisMainWindow *window, KisPart::instance()->mainWindows()) {
+                if (window->id() == this->windowId) return window;
+            }
+
+            return nullptr;
+        }
+    };
+
+    QVector<View> views;
+};
+
+KisSessionResource::KisSessionResource(const QString &filename)
+        : KisWindowLayoutResource(filename)
+          , d(new Private)
+{}
+
+KisSessionResource::~KisSessionResource()
+{}
+
+void KisSessionResource::restore()
+{
+    auto *kisPart = KisPart::instance();
+
+    applyLayout();
+
+    QMap<QUrl, KisDocument *> documents;
+
+    Q_FOREACH(auto &viewData, d->views) {
+        QUrl url = viewData.file;
+
+        KisMainWindow *window = viewData.getWindow();
+
+        if (!window) {
+            qDebug() << "Warning: session file contains inconsistent data.";
+        } else {
+            auto document = documents.value(url);
+
+            if (!document) {
+                document = kisPart->createDocument();
+                kisPart->addDocument(document);
+                documents.insert(url, document);
+
+                bool ok = document->openUrl(url);
+                // TODO: warn if failing to re-open document
+            }
+
+            KisView *view = window->newView(document);
+            view->restoreViewState(viewData.viewConfig);
+        }
+    }
+
+    kisPart->setCurrentSession(this);
+}
+
+
+QString KisSessionResource::defaultFileExtension() const
+{
+    return ".ksn";
+}
+
+void KisSessionResource::storeCurrentWindows()
+{
+    KisPart *kisPart = KisPart::instance();
+    const auto &windows = kisPart->mainWindows();
+    setWindows(windows);
+
+    d->views.clear();
+    Q_FOREACH(const KisView *view, kisPart->views()) {
+        auto viewData = Private::View();
+        viewData.windowId = view->mainWindow()->id();
+        viewData.file = view->document()->url();
+        view->saveViewState(viewData.viewConfig);
+        d->views.append(viewData);
+    }
+
+    setValid(true);
+}
+
+void KisSessionResource::saveXml(QDomDocument &doc, QDomElement &root) const
+{
+    KisWindowLayoutResource::saveXml(doc, root);
+
+    Q_FOREACH(const auto view, d->views) {
+        QDomElement elem = doc.createElement("view");
+
+        elem.setAttribute("window", view.windowId.toString());
+        elem.setAttribute("src", view.file.toString());
+        view.viewConfig.toXML(doc, elem);
+
+        root.appendChild(elem);
+    }
+}
+
+void KisSessionResource::loadXml(const QDomElement &root) const
+{
+    KisWindowLayoutResource::loadXml(root);
+
+    d->views.clear();
+    for (auto viewElement = root.firstChildElement("view");
+         !viewElement.isNull();
+         viewElement = viewElement.nextSiblingElement("view")) {
+        Private::View view;
+
+        view.file = QUrl(viewElement.attribute("src"));
+        view.windowId = QUuid(viewElement.attribute("window"));
+        view.viewConfig.fromXML(viewElement);
+
+        d->views.append(view);
+    }
+}
diff --git a/libs/ui/KisSessionResource.h b/libs/ui/KisSessionResource.h
new file mode 100644
index 0000000000..257bccb9b7
--- /dev/null
+++ b/libs/ui/KisSessionResource.h
@@ -0,0 +1,46 @@
+/*
+ *  Copyright (c) 2018 Jouni Pentikäinen <joupent@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef KISSESSIONRESOURCE_H
+#define KISSESSIONRESOURCE_H
+
+#include "KisWindowLayoutResource.h"
+
+class KisSessionResource : public KisWindowLayoutResource
+{
+public:
+    KisSessionResource(const QString &filename);
+    ~KisSessionResource();
+
+    void storeCurrentWindows();
+    void restore();
+
+    QString defaultFileExtension() const override;
+
+protected:
+    void saveXml(QDomDocument &doc, QDomElement &root) const override;
+
+    void loadXml(const QDomElement &root) const override;
+
+private:
+    struct Private;
+    QScopedPointer<Private> d;
+};
+
+
+#endif
\ No newline at end of file
diff --git a/libs/ui/KisView.cpp b/libs/ui/KisView.cpp
index f04ab7f335..10124f9bda 100644
--- a/libs/ui/KisView.cpp
+++ b/libs/ui/KisView.cpp
@@ -1,971 +1,1005 @@
 /*
  * Copyright (C) 2014 Boudewijn Rempt <boud@valdyas.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "KisView.h"
 
 #include "KisView_p.h"
 
 #include <KoDockFactoryBase.h>
 #include <KoDockRegistry.h>
 #include <KoDocumentInfo.h>
 #include "KoDocumentInfo.h"
 #include "KoPageLayout.h"
 #include <KoToolManager.h>
 
 #include <kis_icon.h>
 
 #include <kactioncollection.h>
 #include <klocalizedstring.h>
 #include <kis_debug.h>
 #include <kselectaction.h>
 #include <kconfiggroup.h>
 #include <kactioncollection.h>
 
 #include <QMenu>
 #include <QMessageBox>
 #include <QUrl>
 #include <QTemporaryFile>
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QDockWidget>
 #include <QDragEnterEvent>
 #include <QDropEvent>
 #include <QImage>
 #include <QList>
 #include <QPrintDialog>
 #include <QToolBar>
 #include <QUrl>
 #include <QStatusBar>
 #include <QMoveEvent>
 #include <QTemporaryFile>
+#include <QMdiSubWindow>
 
 #include <kis_image.h>
 #include <kis_node.h>
 
 #include <kis_group_layer.h>
 #include <kis_layer.h>
 #include <kis_mask.h>
 #include <kis_selection.h>
 
 #include "kis_canvas2.h"
 #include "kis_canvas_controller.h"
 #include "kis_canvas_resource_provider.h"
 #include "kis_config.h"
 #include "KisDocument.h"
 #include "kis_image_manager.h"
 #include "KisMainWindow.h"
 #include "kis_mimedata.h"
 #include "kis_mirror_axis.h"
 #include "kis_node_commands_adapter.h"
 #include "kis_node_manager.h"
 #include "KisPart.h"
 #include "KisPrintJob.h"
 #include "kis_shape_controller.h"
 #include "kis_tool_freehand.h"
 #include "KisUndoStackAction.h"
 #include "KisViewManager.h"
 #include "kis_zoom_manager.h"
 #include "kis_statusbar.h"
 #include "kis_painting_assistants_decoration.h"
 #include "kis_signal_compressor.h"
 #include "kis_filter_manager.h"
 #include "kis_file_layer.h"
 #include "krita_utils.h"
 #include "input/kis_input_manager.h"
 #include "KisRemoteFileFetcher.h"
 
 //static
 QString KisView::newObjectName()
 {
     static int s_viewIFNumber = 0;
     QString name; name.setNum(s_viewIFNumber++); name.prepend("view_");
     return name;
 }
 
 bool KisView::s_firstView = true;
 
 class Q_DECL_HIDDEN KisView::Private
 {
 public:
     Private(KisView *_q,
             KisDocument *document,
             KoCanvasResourceManager *resourceManager,
             KActionCollection *actionCollection)
         : actionCollection(actionCollection)
         , viewConverter()
         , canvasController(_q, actionCollection)
         , canvas(&viewConverter, resourceManager, _q, document->shapeController())
         , zoomManager(_q, &this->viewConverter, &this->canvasController)
         , paintingAssistantsDecoration(new KisPaintingAssistantsDecoration(_q))
         , floatingMessageCompressor(100, KisSignalCompressor::POSTPONE)
     {
     }
 
     KisUndoStackAction *undo = 0;
     KisUndoStackAction *redo = 0;
 
     bool inOperation; //in the middle of an operation (no screen refreshing)?
 
     QPointer<KisDocument> document; // our KisDocument
     QWidget *tempActiveWidget = 0;
 
     /**
      * Signals the document has been deleted. Can't use document==0 since this
      * only happens in ~QObject, and views get deleted by ~KisDocument.
      * XXX: either provide a better justification to do things this way, or
      * rework the mechanism.
      */
     bool documentDeleted = false;
 
     KActionCollection* actionCollection;
     KisCoordinatesConverter viewConverter;
     KisCanvasController canvasController;
     KisCanvas2 canvas;
     KisZoomManager zoomManager;
     KisViewManager *viewManager = 0;
     KisNodeSP currentNode;
     KisPaintingAssistantsDecorationSP paintingAssistantsDecoration;
     bool isCurrent = false;
     bool showFloatingMessage = false;
     QPointer<KisFloatingMessage> savedFloatingMessage;
     KisSignalCompressor floatingMessageCompressor;
+    QMdiSubWindow *subWindow{nullptr};
 
     bool softProofing = false;
     bool gamutCheck = false;
 
     // Hmm sorry for polluting the private class with such a big inner class.
     // At the beginning it was a little struct :)
     class StatusBarItem
     {
     public:
 
         StatusBarItem(QWidget * widget, int stretch, bool permanent)
             : m_widget(widget),
               m_stretch(stretch),
               m_permanent(permanent),
               m_connected(false),
               m_hidden(false) {}
 
         bool operator==(const StatusBarItem& rhs) {
             return m_widget == rhs.m_widget;
         }
 
         bool operator!=(const StatusBarItem& rhs) {
             return m_widget != rhs.m_widget;
         }
 
         QWidget * widget() const {
             return m_widget;
         }
 
         void ensureItemShown(QStatusBar * sb) {
             Q_ASSERT(m_widget);
             if (!m_connected) {
                 if (m_permanent)
                     sb->addPermanentWidget(m_widget, m_stretch);
                 else
                     sb->addWidget(m_widget, m_stretch);
 
                 if(!m_hidden)
                     m_widget->show();
 
                 m_connected = true;
             }
         }
         void ensureItemHidden(QStatusBar * sb) {
             if (m_connected) {
                 m_hidden = m_widget->isHidden();
                 sb->removeWidget(m_widget);
                 m_widget->hide();
                 m_connected = false;
             }
         }
     private:
         QWidget * m_widget = 0;
         int m_stretch;
         bool m_permanent;
         bool m_connected = false;
         bool m_hidden = false;
 
     };
 
 };
 
 KisView::KisView(KisDocument *document, KoCanvasResourceManager *resourceManager, KActionCollection *actionCollection, QWidget *parent)
     : QWidget(parent)
     , d(new Private(this, document, resourceManager, actionCollection))
 {
     Q_ASSERT(document);
     connect(document, SIGNAL(titleModified(QString,bool)), this, SIGNAL(titleModified(QString,bool)));
     setObjectName(newObjectName());
 
     d->document = document;
 
     setFocusPolicy(Qt::StrongFocus);
 
     d->undo = new KisUndoStackAction(d->document->undoStack(), KisUndoStackAction::UNDO);
     d->redo = new KisUndoStackAction(d->document->undoStack(), KisUndoStackAction::RED0);
 
     QStatusBar * sb = statusBar();
     if (sb) { // No statusbar in e.g. konqueror
         connect(d->document, SIGNAL(statusBarMessage(const QString&, int)),
                 this, SLOT(slotSavingStatusMessage(const QString&, int)));
         connect(d->document, SIGNAL(clearStatusBarMessage()),
                 this, SLOT(slotClearStatusText()));
     }
 
     d->canvas.setup();
 
     KisConfig cfg;
 
     d->canvasController.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
     d->canvasController.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
     d->canvasController.setDrawShadow(false);
     d->canvasController.setCanvasMode(KoCanvasController::Infinite);
     d->canvasController.setVastScrolling(cfg.vastScrolling());
     d->canvasController.setCanvas(&d->canvas);
 
     d->zoomManager.setup(d->actionCollection);
 
 
     connect(&d->canvasController, SIGNAL(documentSizeChanged()), &d->zoomManager, SLOT(slotScrollAreaSizeChanged()));
     setAcceptDrops(true);
 
     connect(d->document, SIGNAL(sigLoadingFinished()), this, SLOT(slotLoadingFinished()));
     connect(d->document, SIGNAL(sigSavingFinished()), this, SLOT(slotSavingFinished()));
 
     d->canvas.addDecoration(d->paintingAssistantsDecoration);
     d->paintingAssistantsDecoration->setVisible(true);
 
     d->showFloatingMessage = cfg.showCanvasMessages();
 }
 
 KisView::~KisView()
 {
     if (d->viewManager) {
         if (d->viewManager->filterManager()->isStrokeRunning()) {
             d->viewManager->filterManager()->cancel();
         }
 
         d->viewManager->mainWindow()->notifyChildViewDestroyed(this);
     }
 
     KoToolManager::instance()->removeCanvasController(&d->canvasController);
     d->canvasController.setCanvas(0);
 
     KisPart::instance()->removeView(this);
     delete d;
 }
 
 void KisView::notifyCurrentStateChanged(bool isCurrent)
 {
     d->isCurrent = isCurrent;
 
     if (!d->isCurrent && d->savedFloatingMessage) {
         d->savedFloatingMessage->removeMessage();
     }
 
     KisInputManager *inputManager = globalInputManager();
     if (d->isCurrent) {
         inputManager->attachPriorityEventFilter(&d->canvasController);
     } else {
         inputManager->detachPriorityEventFilter(&d->canvasController);
     }
 }
 
 void KisView::setShowFloatingMessage(bool show)
 {
     d->showFloatingMessage = show;
 }
 
 void KisView::showFloatingMessageImpl(const QString &message, const QIcon& icon, int timeout, KisFloatingMessage::Priority priority, int alignment)
 {
     if (!d->viewManager) return;
 
     if(d->isCurrent && d->showFloatingMessage && d->viewManager->qtMainWindow()) {
         if (d->savedFloatingMessage) {
             d->savedFloatingMessage->tryOverrideMessage(message, icon, timeout, priority, alignment);
         } else {
             d->savedFloatingMessage = new KisFloatingMessage(message, this->canvasBase()->canvasWidget(), false, timeout, priority, alignment);
             d->savedFloatingMessage->setShowOverParent(true);
             d->savedFloatingMessage->setIcon(icon);
 
             connect(&d->floatingMessageCompressor, SIGNAL(timeout()), d->savedFloatingMessage, SLOT(showMessage()));
             d->floatingMessageCompressor.start();
         }
     }
 }
 
 bool KisView::canvasIsMirrored() const
 {
    return d->canvas.xAxisMirrored() || d->canvas.yAxisMirrored();
 }
 
 void KisView::setViewManager(KisViewManager *view)
 {
     d->viewManager = view;
 
     KoToolManager::instance()->addController(&d->canvasController);
     KoToolManager::instance()->registerToolActions(d->actionCollection, &d->canvasController);
     dynamic_cast<KisShapeController*>(d->document->shapeController())->setInitialShapeForCanvas(&d->canvas);
 
     if (resourceProvider()) {
         resourceProvider()->slotImageSizeChanged();
     }
 
     if (d->viewManager && d->viewManager->nodeManager()) {
         d->viewManager->nodeManager()->nodesUpdated();
     }
 
     connect(image(), SIGNAL(sigSizeChanged(const QPointF&, const QPointF&)), this, SLOT(slotImageSizeChanged(const QPointF&, const QPointF&)));
     connect(image(), SIGNAL(sigResolutionChanged(double,double)), this, SLOT(slotImageResolutionChanged()));
 
     // executed in a context of an image thread
     connect(image(), SIGNAL(sigNodeAddedAsync(KisNodeSP)),
             SLOT(slotImageNodeAdded(KisNodeSP)),
             Qt::DirectConnection);
 
     // executed in a context of the gui thread
     connect(this, SIGNAL(sigContinueAddNode(KisNodeSP)),
             SLOT(slotContinueAddNode(KisNodeSP)),
             Qt::AutoConnection);
 
     // executed in a context of an image thread
     connect(image(), SIGNAL(sigRemoveNodeAsync(KisNodeSP)),
             SLOT(slotImageNodeRemoved(KisNodeSP)),
             Qt::DirectConnection);
 
     // executed in a context of the gui thread
     connect(this, SIGNAL(sigContinueRemoveNode(KisNodeSP)),
             SLOT(slotContinueRemoveNode(KisNodeSP)),
             Qt::AutoConnection);
 
     d->viewManager->updateGUI();
 
     KoToolManager::instance()->switchToolRequested("KritaShape/KisToolBrush");
 }
 
 KisViewManager* KisView::viewManager() const
 {
     return d->viewManager;
 }
 
 void KisView::slotImageNodeAdded(KisNodeSP node)
 {
     emit sigContinueAddNode(node);
 }
 
 void KisView::slotContinueAddNode(KisNodeSP newActiveNode)
 {
     /**
      * When deleting the last layer, root node got selected. We should
      * fix it when the first layer is added back.
      *
      * Here we basically reimplement what Qt's view/model do. But
      * since they are not connected, we should do it manually.
      */
 
     if (!d->isCurrent &&
         (!d->currentNode || !d->currentNode->parent())) {
 
         d->currentNode = newActiveNode;
     }
 }
 
 
 void KisView::slotImageNodeRemoved(KisNodeSP node)
 {
     emit sigContinueRemoveNode(KritaUtils::nearestNodeAfterRemoval(node));
 }
 
 void KisView::slotContinueRemoveNode(KisNodeSP newActiveNode)
 {
     if (!d->isCurrent) {
         d->currentNode = newActiveNode;
     }
 }
 
 QAction *KisView::undoAction() const
 {
     return d->undo;
 }
 
 QAction *KisView::redoAction() const
 {
     return d->redo;
 }
 
 KoZoomController *KisView::zoomController() const
 {
     return d->zoomManager.zoomController();
 }
 
 KisZoomManager *KisView::zoomManager() const
 {
     return &d->zoomManager;
 }
 
 KisCanvasController *KisView::canvasController() const
 {
     return &d->canvasController;
 }
 
 KisCanvasResourceProvider *KisView::resourceProvider() const
 {
     if (d->viewManager) {
         return d->viewManager->resourceProvider();
     }
     return 0;
 }
 
 KisInputManager* KisView::globalInputManager() const
 {
     return d->viewManager ? d->viewManager->inputManager() : 0;
 }
 
 KisCanvas2 *KisView::canvasBase() const
 {
     return &d->canvas;
 }
 
 KisImageWSP KisView::image() const
 {
     if (d->document) {
         return d->document->image();
     }
     return 0;
 }
 
 KisCoordinatesConverter *KisView::viewConverter() const
 {
     return &d->viewConverter;
 }
 
 void KisView::dragEnterEvent(QDragEnterEvent *event)
 {
     if (event->mimeData()->hasImage()
             || event->mimeData()->hasUrls()
             || event->mimeData()->hasFormat("application/x-krita-node")) {
         event->accept();
 
         // activate view if it should accept the drop
         this->setFocus();
     } else {
         event->ignore();
     }
 }
 
 void KisView::dropEvent(QDropEvent *event)
 {
     KisImageWSP kisimage = image();
     Q_ASSERT(kisimage);
 
     QPoint cursorPos = canvasBase()->coordinatesConverter()->widgetToImage(event->pos()).toPoint();
     QRect imageBounds = kisimage->bounds();
     QPoint pasteCenter;
     bool forceRecenter;
 
     if (event->keyboardModifiers() & Qt::ShiftModifier &&
             imageBounds.contains(cursorPos)) {
 
         pasteCenter = cursorPos;
         forceRecenter = true;
     } else {
         pasteCenter = imageBounds.center();
         forceRecenter = false;
     }
     if (event->mimeData()->hasFormat("application/x-krita-node") ||
             event->mimeData()->hasImage())
     {
         KisShapeController *kritaShapeController =
                 dynamic_cast<KisShapeController*>(d->document->shapeController());
 
         QList<KisNodeSP> nodes =
                 KisMimeData::loadNodes(event->mimeData(), imageBounds,
                                        pasteCenter, forceRecenter,
                                        kisimage, kritaShapeController);
 
         Q_FOREACH (KisNodeSP node, nodes) {
             if (node) {
                 KisNodeCommandsAdapter adapter(viewManager());
                 if (!viewManager()->nodeManager()->activeLayer()) {
                     adapter.addNode(node, kisimage->rootLayer() , 0);
                 } else {
                     adapter.addNode(node,
                                     viewManager()->nodeManager()->activeLayer()->parent(),
                                     viewManager()->nodeManager()->activeLayer());
                 }
             }
         }
     }
     else if (event->mimeData()->hasUrls()) {
 
         QList<QUrl> urls = event->mimeData()->urls();
         if (urls.length() > 0) {
 
             QMenu popup;
             popup.setObjectName("drop_popup");
 
             QAction *insertAsNewLayer = new QAction(i18n("Insert as New Layer"), &popup);
             QAction *insertManyLayers = new QAction(i18n("Insert Many Layers"), &popup);
 
             QAction *insertAsNewFileLayer = new QAction(i18n("Insert as New File Layer"), &popup);
             QAction *insertManyFileLayers = new QAction(i18n("Insert Many File Layers"), &popup);
 
             QAction *openInNewDocument = new QAction(i18n("Open in New Document"), &popup);
             QAction *openManyDocuments = new QAction(i18n("Open Many Documents"), &popup);
 
             QAction *cancel = new QAction(i18n("Cancel"), &popup);
 
             popup.addAction(insertAsNewLayer);
             popup.addAction(insertAsNewFileLayer);
             popup.addAction(openInNewDocument);
 
             popup.addAction(insertManyLayers);
             popup.addAction(insertManyFileLayers);
             popup.addAction(openManyDocuments);
 
             insertAsNewLayer->setEnabled(image() && urls.count() == 1);
             insertAsNewFileLayer->setEnabled(image() && urls.count() == 1);
             openInNewDocument->setEnabled(urls.count() == 1);
 
             insertManyLayers->setEnabled(image() && urls.count() > 1);
             insertManyFileLayers->setEnabled(image() && urls.count() > 1);
             openManyDocuments->setEnabled(urls.count() > 1);
 
             popup.addSeparator();
             popup.addAction(cancel);
 
             QAction *action = popup.exec(QCursor::pos());
             if (action != 0 && action != cancel) {
                 QTemporaryFile *tmp = 0;
                 for (QUrl url : urls) {
 
                     if (!url.isLocalFile()) {
                         // download the file and substitute the url
                         KisRemoteFileFetcher fetcher;
                         tmp = new QTemporaryFile();
                         tmp->setAutoRemove(true);
                         if (!fetcher.fetchFile(url, tmp)) {
                             qDebug() << "Fetching" << url << "failed";
                             continue;
                         }
                         url = url.fromLocalFile(tmp->fileName());
                     }
                     if (url.isLocalFile()) {
                         if (action == insertAsNewLayer || action == insertManyLayers) {
                             d->viewManager->imageManager()->importImage(url);
                             activateWindow();
                         }
                         else if (action == insertAsNewFileLayer || action == insertManyFileLayers) {
                             KisNodeCommandsAdapter adapter(viewManager());
                             KisFileLayer *fileLayer = new KisFileLayer(image(), "", url.toLocalFile(),
                                                                        KisFileLayer::None, image()->nextLayerName(), OPACITY_OPAQUE_U8);
                             adapter.addNode(fileLayer, viewManager()->activeNode()->parent(), viewManager()->activeNode());
                         }
                         else {
                             Q_ASSERT(action == openInNewDocument || action == openManyDocuments);
                             if (mainWindow()) {
                                 mainWindow()->openDocument(url, KisMainWindow::None);
                             }
                         }
                     }
                     delete tmp;
                     tmp = 0;
                 }
             }
         }
     }
 
 }
 
 KisDocument *KisView::document() const
 {
     return d->document;
 }
 
 void KisView::setDocument(KisDocument *document)
 {
     d->document->disconnect(this);
     d->document = document;
     QStatusBar *sb = statusBar();
     if (sb) { // No statusbar in e.g. konqueror
         connect(d->document, SIGNAL(statusBarMessage(const QString&, int)),
                 this, SLOT(slotSavingStatusMessage(const QString&, int)));
         connect(d->document, SIGNAL(clearStatusBarMessage()),
                 this, SLOT(slotClearStatusText()));
     }
 }
 
 void KisView::setDocumentDeleted()
 {
     d->documentDeleted = true;
 }
 
 QPrintDialog *KisView::createPrintDialog(KisPrintJob *printJob, QWidget *parent)
 {
     Q_UNUSED(parent);
     QPrintDialog *printDialog = new QPrintDialog(&printJob->printer(), this);
     printDialog->setMinMax(printJob->printer().fromPage(), printJob->printer().toPage());
     printDialog->setEnabledOptions(printJob->printDialogOptions());
     return printDialog;
 }
 
 
 KisMainWindow * KisView::mainWindow() const
 {
     return dynamic_cast<KisMainWindow *>(window());
 }
 
+void KisView::setSubWindow(QMdiSubWindow *subWindow)
+{
+    d->subWindow = subWindow;
+}
+
 QStatusBar * KisView::statusBar() const
 {
     KisMainWindow *mw = mainWindow();
     return mw ? mw->statusBar() : 0;
 }
 
 void KisView::slotSavingStatusMessage(const QString &text, int timeout, bool isAutoSaving)
 {
     QStatusBar *sb = statusBar();
     if (sb)
         sb->showMessage(text, timeout);
 
     KisConfig cfg;
 
     if (sb->isHidden() ||
         (!isAutoSaving && cfg.forceShowSaveMessages()) ||
         (cfg.forceShowAutosaveMessages() && isAutoSaving)) {
 
         viewManager()->showFloatingMessage(text, QIcon());
     }
 }
 
 void KisView::slotClearStatusText()
 {
     QStatusBar *sb = statusBar();
     if (sb)
         sb->clearMessage();
 }
 
 QList<QAction*> KisView::createChangeUnitActions(bool addPixelUnit)
 {
     UnitActionGroup* unitActions = new UnitActionGroup(d->document, addPixelUnit, this);
     return unitActions->actions();
 }
 
 void KisView::closeEvent(QCloseEvent *event)
 {
     // Check whether we're the last view
     int viewCount = KisPart::instance()->viewCount(document());
     if (viewCount > 1) {
         // there are others still, so don't bother the user
         event->accept();
         return;
     }
 
     if (queryClose()) {
         d->viewManager->statusBar()->setView(0);
         event->accept();
         return;
     }
 
     event->ignore();
 
 }
 
 bool KisView::queryClose()
 {
     if (!document())
         return true;
 
     if (document()->isSaving()) {
         document()->waitForSavingToComplete();
     }
 
     if (document()->isModified()) {
         QString name;
         if (document()->documentInfo()) {
             name = document()->documentInfo()->aboutInfo("title");
         }
         if (name.isEmpty())
             name = document()->url().fileName();
 
         if (name.isEmpty())
             name = i18n("Untitled");
 
         int res = QMessageBox::warning(this,
                                        i18nc("@title:window", "Krita"),
                                        i18n("<p>The document <b>'%1'</b> has been modified.</p><p>Do you want to save it?</p>", name),
                                        QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel, QMessageBox::Yes);
 
         switch (res) {
         case QMessageBox::Yes : {
             bool isNative = (document()->mimeType() == document()->nativeFormatMimeType());
             if (!viewManager()->mainWindow()->saveDocument(document(), !isNative, false))
                 return false;
             break;
         }
         case QMessageBox::No : {
             KisImageSP image = document()->image();
             image->requestStrokeCancellation();
             viewManager()->blockUntilOperationsFinishedForced(image);
 
             document()->removeAutoSaveFiles();
             document()->setModified(false);   // Now when queryClose() is called by closeEvent it won't do anything.
             break;
         }
         default : // case QMessageBox::Cancel :
             return false;
         }
     }
 
     return true;
 
 }
 
 void KisView::resetImageSizeAndScroll(bool changeCentering,
                                       const QPointF &oldImageStillPoint,
                                       const QPointF &newImageStillPoint)
 {
     const KisCoordinatesConverter *converter = d->canvas.coordinatesConverter();
 
     QPointF oldPreferredCenter = d->canvasController.preferredCenter();
 
     /**
      * Calculating the still point in old coordinates depending on the
      * parameters given
      */
 
     QPointF oldStillPoint;
 
     if (changeCentering) {
         oldStillPoint =
                 converter->imageToWidget(oldImageStillPoint) +
                 converter->documentOffset();
     } else {
         QSize oldDocumentSize = d->canvasController.documentSize();
         oldStillPoint = QPointF(0.5 * oldDocumentSize.width(), 0.5 * oldDocumentSize.height());
     }
 
     /**
      * Updating the document size
      */
 
     QSizeF size(image()->width() / image()->xRes(), image()->height() / image()->yRes());
     KoZoomController *zc = d->zoomManager.zoomController();
     zc->setZoom(KoZoomMode::ZOOM_CONSTANT, zc->zoomAction()->effectiveZoom());
     zc->setPageSize(size);
     zc->setDocumentSize(size, true);
 
     /**
      * Calculating the still point in new coordinates depending on the
      * parameters given
      */
 
     QPointF newStillPoint;
 
     if (changeCentering) {
         newStillPoint =
                 converter->imageToWidget(newImageStillPoint) +
                 converter->documentOffset();
     } else {
         QSize newDocumentSize = d->canvasController.documentSize();
         newStillPoint = QPointF(0.5 * newDocumentSize.width(), 0.5 * newDocumentSize.height());
     }
 
     d->canvasController.setPreferredCenter(oldPreferredCenter - oldStillPoint + newStillPoint);
 }
 
 void KisView::syncLastActiveNodeToDocument()
 {
     KisDocument *doc = document();
     if (doc) {
         doc->setPreActivatedNode(d->currentNode);
     }
 }
 
+void KisView::saveViewState(KisPropertiesConfiguration &config) const
+{
+    config.setProperty("file", d->document->url());
+    config.setProperty("window", mainWindow()->windowStateConfig().name());
+
+    if (d->subWindow) {
+        config.setProperty("geometry", d->subWindow->saveGeometry().toBase64());
+    }
+
+    config.setProperty("zoomMode", (int)zoomController()->zoomMode());
+    config.setProperty("zoom", d->zoomManager.zoom());
+    d->canvasController.saveCanvasState(config);
+}
+
+void KisView::restoreViewState(const KisPropertiesConfiguration &config)
+{
+    if (d->subWindow) {
+        QByteArray geometry = QByteArray::fromBase64(config.getString("geometry", "").toLatin1());
+        d->subWindow->restoreGeometry(QByteArray::fromBase64(geometry));
+    }
+
+    qreal zoom = config.getFloat("zoom", 1.0f);
+    int zoomMode = config.getInt("zoomMode", (int)KoZoomMode::ZOOM_PAGE);
+    d->zoomManager.zoomController()->setZoom((KoZoomMode::Mode)zoomMode, zoom);
+    d->canvasController.restoreCanvasState(config);
+}
+
 void KisView::setCurrentNode(KisNodeSP node)
 {
     d->currentNode = node;
     d->canvas.slotTrySwitchShapeManager();
 
     syncLastActiveNodeToDocument();
 }
 
 KisNodeSP KisView::currentNode() const
 {
     return d->currentNode;
 }
 
 KisLayerSP KisView::currentLayer() const
 {
     KisNodeSP node;
     KisMaskSP mask = currentMask();
     if (mask) {
         node = mask->parent();
     }
     else {
         node = d->currentNode;
     }
     return qobject_cast<KisLayer*>(node.data());
 }
 
 KisMaskSP KisView::currentMask() const
 {
     return dynamic_cast<KisMask*>(d->currentNode.data());
 }
 
 KisSelectionSP KisView::selection()
 {
     KisLayerSP layer = currentLayer();
     if (layer)
         return layer->selection(); // falls through to the global
     // selection, or 0 in the end
     if (image()) {
         return image()->globalSelection();
     }
     return 0;
 }
 
 void KisView::slotSoftProofing(bool softProofing)
 {
     d->softProofing = softProofing;
     QString message;
     if (canvasBase()->image()->colorSpace()->colorDepthId().id().contains("F"))
     {
         message = i18n("Soft Proofing doesn't work in floating point.");
         viewManager()->showFloatingMessage(message,QIcon());
         return;
     }
     if (softProofing){
         message = i18n("Soft Proofing turned on.");
     } else {
         message = i18n("Soft Proofing turned off.");
     }
     viewManager()->showFloatingMessage(message,QIcon());
     canvasBase()->slotSoftProofing(softProofing);
 }
 
 void KisView::slotGamutCheck(bool gamutCheck)
 {
     d->gamutCheck = gamutCheck;
     QString message;
     if (canvasBase()->image()->colorSpace()->colorDepthId().id().contains("F"))
     {
         message = i18n("Gamut Warnings don't work in floating point.");
         viewManager()->showFloatingMessage(message,QIcon());
         return;
     }
 
     if (gamutCheck){
         message = i18n("Gamut Warnings turned on.");
         if (!d->softProofing){
             message += "\n "+i18n("But Soft Proofing is still off.");
         }
     } else {
         message = i18n("Gamut Warnings turned off.");
     }
     viewManager()->showFloatingMessage(message,QIcon());
     canvasBase()->slotGamutCheck(gamutCheck);
 }
 
 bool KisView::softProofing()
 {
     return d->softProofing;
 }
 
 bool KisView::gamutCheck()
 {
     return d->gamutCheck;
 }
 
 void KisView::slotLoadingFinished()
 {
     if (!document()) return;
 
     /**
      * Cold-start of image size/resolution signals
      */
     slotImageResolutionChanged();
 
     if (image()->locked()) {
         // If this is the first view on the image, the image will have been locked
         // so unlock it.
         image()->blockSignals(false);
         image()->unlock();
     }
 
     canvasBase()->initializeImage();
 
     /**
      * Dirty hack alert
      */
     d->zoomManager.zoomController()->setAspectMode(true);
 
     if (viewConverter()) {
         viewConverter()->setZoomMode(KoZoomMode::ZOOM_PAGE);
     }
     connect(image(), SIGNAL(sigColorSpaceChanged(const KoColorSpace*)), this, SIGNAL(sigColorSpaceChanged(const KoColorSpace*)));
     connect(image(), SIGNAL(sigProfileChanged(const KoColorProfile*)), this, SIGNAL(sigProfileChanged(const KoColorProfile*)));
     connect(image(), SIGNAL(sigSizeChanged(QPointF,QPointF)), this, SIGNAL(sigSizeChanged(QPointF,QPointF)));
 
     KisNodeSP activeNode = document()->preActivatedNode();
 
     if (!activeNode) {
         activeNode = image()->rootLayer()->lastChild();
     }
 
     while (activeNode && !activeNode->inherits("KisLayer")) {
         activeNode = activeNode->prevSibling();
     }
 
     setCurrentNode(activeNode);
     zoomManager()->updateImageBoundsSnapping();
 }
 
 void KisView::slotSavingFinished()
 {
     if (d->viewManager && d->viewManager->mainWindow()) {
         d->viewManager->mainWindow()->updateCaption();
     }
 }
 
 KisPrintJob * KisView::createPrintJob()
 {
     return new KisPrintJob(image());
 }
 
 void KisView::slotImageResolutionChanged()
 {
     resetImageSizeAndScroll(false);
     zoomManager()->updateImageBoundsSnapping();
     zoomManager()->updateGUI();
 
     // update KoUnit value for the document
     if (resourceProvider()) {
         resourceProvider()->resourceManager()->
                 setResource(KoCanvasResourceManager::Unit, d->canvas.unit());
     }
 }
 
 void KisView::slotImageSizeChanged(const QPointF &oldStillPoint, const QPointF &newStillPoint)
 {
     resetImageSizeAndScroll(true, oldStillPoint, newStillPoint);
     zoomManager()->updateImageBoundsSnapping();
     zoomManager()->updateGUI();
 }
diff --git a/libs/ui/KisView.h b/libs/ui/KisView.h
index e61bb8a7a9..f421734481 100644
--- a/libs/ui/KisView.h
+++ b/libs/ui/KisView.h
@@ -1,284 +1,294 @@
 /* This file is part of the KDE project
    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
    Copyright (C) 2007 Thomas Zander <zander@kde.org>
    Copyright (C) 2010 Benjamin Port <port.benjamin@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 #ifndef KIS_VIEW_H
 #define KIS_VIEW_H
 
 #include <QWidget>
 
 #include <KoColorSpace.h>
 #include <KoColorProfile.h>
 
 #include <kis_types.h>
 #include "kritaui_export.h"
 
 #include "widgets/kis_floating_message.h"
 
 class KisDocument;
 class KisMainWindow;
 class KisPrintJob;
 class KisCanvasController;
 class KisZoomManager;
 class KisCanvas2;
 class KisViewManager;
 class KisDocument;
 class KisCanvasResourceProvider;
 class KisCoordinatesConverter;
 class KisInputManager;
 
 class KoZoomController;
 class KoZoomController;
 struct KoPageLayout;
 class KoCanvasResourceManager;
 
 // KDE classes
 class QAction;
 class KActionCollection;
+class KConfigGroup;
 
 // Qt classes
 class QDragEnterEvent;
 class QDropEvent;
 class QPrintDialog;
 class QCloseEvent;
 class QStatusBar;
+class QMdiSubWindow;
 
 /**
  * This class is used to display a @ref KisDocument.
  *
  * Multiple views can be attached to one document at a time.
  */
 class KRITAUI_EXPORT KisView : public QWidget
 {
     Q_OBJECT
 
 public:
     /**
      * Creates a new view for the document.
      */
     KisView(KisDocument *document, KoCanvasResourceManager *resourceManager, KActionCollection *actionCollection, QWidget *parent = 0);
     ~KisView() override;
 
     QAction *undoAction() const;
     QAction *redoAction() const;
 
     // Temporary while teasing apart view and mainwindow
     void setViewManager(KisViewManager *view);
     KisViewManager *viewManager() const;
 
 public:
 
     /**
      *  Retrieves the document object of this view.
      */
     KisDocument *document() const;
 
     /**
      * Reset the view to show the given document.
      */
     void setDocument(KisDocument *document);
 
     /**
      * Tells this view that its document has got deleted (called internally)
      */
     void setDocumentDeleted();
 
     /**
      * In order to print the document represented by this view a new print job should
      * be constructed that is capable of doing the printing.
      * The default implementation returns 0, which silently cancels printing.
      */
     KisPrintJob * createPrintJob();
 
     /**
      * Create a QPrintDialog based on the @p printJob
      */
     QPrintDialog *createPrintDialog(KisPrintJob *printJob, QWidget *parent);
 
     /**
      * @return the KisMainWindow in which this view is currently.
      */
     KisMainWindow *mainWindow() const;
 
+    /**
+     * Tells this view which subwindow it is part of.
+     */
+    void setSubWindow(QMdiSubWindow *subWindow);
+
     /**
      * @return the statusbar of the KisMainWindow in which this view is currently.
      */
     QStatusBar *statusBar() const;
 
     /**
      * This adds a widget to the statusbar for this view.
      * If you use this method instead of using statusBar() directly,
      * KisView will take care of removing the items when the view GUI is deactivated
      * and readding them when it is reactivated.
      * The parameters are the same as QStatusBar::addWidget().
      */
     void addStatusBarItem(QWidget * widget, int stretch = 0, bool permanent = false);
 
     /**
      * Remove a widget from the statusbar for this view.
      */
     void removeStatusBarItem(QWidget * widget);
 
     /**
      * Return the zoomController for this view.
      */
     KoZoomController *zoomController() const;
 
     /// create a list of actions that when activated will change the unit on the document.
     QList<QAction*> createChangeUnitActions(bool addPixelUnit = false);
 
 public:
 
     /**
      * The zoommanager handles everything action-related to zooming
      */
     KisZoomManager *zoomManager() const;
 
     /**
      * The CanvasController decorates the canvas with scrollbars
      * and knows where to start painting on the canvas widget, i.e.,
      * the document offset.
      */
     KisCanvasController *canvasController() const;
     KisCanvasResourceProvider *resourceProvider() const;
 
     /**
      * Filters events and sends them to canvas actions. Shared
      * among all the views/canvases
      *
      * NOTE: May be null while initialization!
      */
     KisInputManager* globalInputManager() const;
 
     /**
      * @return the canvas object
      */
     KisCanvas2 *canvasBase() const;
 
     /// @return the image this view is displaying
     KisImageWSP image() const;
 
 
     KisCoordinatesConverter *viewConverter() const;
 
     void resetImageSizeAndScroll(bool changeCentering,
                                  const QPointF &oldImageStillPoint = QPointF(),
                                  const QPointF &newImageStillPoint = QPointF());
 
     void setCurrentNode(KisNodeSP node);
     KisNodeSP currentNode() const;
     KisLayerSP currentLayer() const;
     KisMaskSP currentMask() const;
     /**
      * @brief softProofing
      * @return whether or not we're softproofing in this view.
      */
     bool softProofing();
     /**
      * @brief gamutCheck
      * @return whether or not we're using gamut warnings in this view.
      */
     bool gamutCheck();
 
     /// Convenience method to get at the active selection (the
     /// selection of the current layer, or, if that does not exist,
     /// the global selection.
     KisSelectionSP selection();
 
     void notifyCurrentStateChanged(bool isCurrent);
 
     void setShowFloatingMessage(bool show);
     void showFloatingMessageImpl(const QString &message, const QIcon& icon, int timeout, KisFloatingMessage::Priority priority, int alignment);
 
     bool canvasIsMirrored() const;
 
     void syncLastActiveNodeToDocument();
 
+    void saveViewState(KisPropertiesConfiguration &config) const;
+    void restoreViewState(const KisPropertiesConfiguration &config);
+
 public Q_SLOTS:
 
     /**
      * Display a message in the status bar (calls QStatusBar::message())
      * @todo rename to something more generic
      * @param value determines autosaving
      */
     void slotSavingStatusMessage(const QString &text, int timeout, bool isAutoSaving = false);
 
     /**
      * End of the message in the status bar (calls QStatusBar::clear())
      * @todo rename to something more generic
      */
     void slotClearStatusText();
     /**
      * @brief slotSoftProofing set whether or not we're softproofing in this view.
      * Will be setting the same in the canvas belonging to the view.
      */
     void slotSoftProofing(bool softProofing);
     /**
      * @brief slotGamutCheck set whether or not we're gamutchecking in this view.
      * Will be setting the same in the vans belonging to the view.
      */
     void slotGamutCheck(bool gamutCheck);
 
     bool queryClose();
 
 private Q_SLOTS:
     void slotImageNodeAdded(KisNodeSP node);
     void slotContinueAddNode(KisNodeSP newActiveNode);
 
     void slotImageNodeRemoved(KisNodeSP node);
     void slotContinueRemoveNode(KisNodeSP newActiveNode);
 
 Q_SIGNALS:
     // From KisImage
     void sigSizeChanged(const QPointF &oldStillPoint, const QPointF &newStillPoint);
     void sigProfileChanged(const KoColorProfile *  profile);
     void sigColorSpaceChanged(const KoColorSpace*  cs);
     void titleModified(QString,bool);
 
     void sigContinueAddNode(KisNodeSP newActiveNode);
     void sigContinueRemoveNode(KisNodeSP newActiveNode);
 
 protected:
 
     // QWidget overrides
     void dragEnterEvent(QDragEnterEvent * event) override;
     void dropEvent(QDropEvent * event) override;
     void closeEvent(QCloseEvent *event) override;
 
     /**
      * Generate a name for this view.
      */
     QString newObjectName();
 
 public Q_SLOTS:
     void slotLoadingFinished();
     void slotSavingFinished();
     void slotImageResolutionChanged();
     void slotImageSizeChanged(const QPointF &oldStillPoint, const QPointF &newStillPoint);
 
 
 private:
 
     class Private;
     Private * const d;
 
     static bool s_firstView;
 };
 
 #endif
diff --git a/libs/ui/KisWindowLayoutResource.cpp b/libs/ui/KisWindowLayoutResource.cpp
new file mode 100644
index 0000000000..a21b612b47
--- /dev/null
+++ b/libs/ui/KisWindowLayoutResource.cpp
@@ -0,0 +1,282 @@
+/*
+ *  Copyright (c) 2018 Jouni Pentikäinen <joupent@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include "KisWindowLayoutResource.h"
+
+#include <QVector>
+#include <QFile>
+#include <QDomDocument>
+
+#include <KisPart.h>
+#include <KisDocument.h>
+
+static const int WINDOW_LAYOUT_VERSION = 1;
+
+struct KisWindowLayoutResource::Private
+{
+    struct Window {
+        QUuid windowId;
+        QByteArray geometry;
+        QByteArray windowState;
+    };
+
+    QVector<Window> windows;
+
+    Private() = default;
+
+    explicit Private(QVector<Window> windows)
+        : windows(std::move(windows))
+    {}
+
+    void openNecessaryWindows(QList<QPointer<KisMainWindow>> &currentWindows) {
+        auto *kisPart = KisPart::instance();
+
+        Q_FOREACH(const Window &window, windows) {
+            bool isOpen = false;
+            Q_FOREACH(QPointer<KisMainWindow> mainWindow, currentWindows) {
+                if (mainWindow->id() == window.windowId) {
+                    isOpen = true;
+                    break;
+                }
+            }
+
+            if (!isOpen) {
+                KisMainWindow *mainWindow = kisPart->createMainWindow(window.windowId);
+                currentWindows.append(mainWindow);
+                mainWindow->show();
+            }
+        }
+    }
+
+    void closeUnneededWindows(QList<QPointer<KisMainWindow>> &currentWindows) {
+        QVector<QPointer<KisMainWindow>> windowsToClose;
+
+        Q_FOREACH(KisMainWindow *mainWindow, currentWindows) {
+            bool keep = false;
+            Q_FOREACH(const Window &window, windows) {
+                if (window.windowId == mainWindow->id()) {
+                    keep = true;
+                    break;
+                }
+            }
+
+            if (!keep) {
+                windowsToClose.append(mainWindow);
+            }
+        }
+
+        migrateViewsFromClosingWindows(windowsToClose);
+
+        Q_FOREACH(QPointer<KisMainWindow> mainWindow, windowsToClose) {
+            mainWindow->close();
+        }
+    }
+
+    void migrateViewsFromClosingWindows(QVector<QPointer<KisMainWindow>> &closingWindows) const
+    {
+        auto *kisPart = KisPart::instance();
+        KisMainWindow *migrationTarget = nullptr;
+
+        Q_FOREACH(KisMainWindow *mainWindow, kisPart->mainWindows()) {
+            if (!closingWindows.contains(mainWindow)) {
+                migrationTarget = mainWindow;
+                break;
+            }
+        }
+
+        if (!migrationTarget) {
+            qWarning() << "Problem: window layout with no windows would leave user with zero main windows.";
+            migrationTarget = closingWindows.takeLast();
+            migrationTarget->show();
+        }
+
+        QVector<KisDocument*> visibleDocuments;
+        Q_FOREACH(KisView *view, kisPart->views()) {
+            KisMainWindow *window = view->mainWindow();
+            if (!closingWindows.contains(window)) {
+                visibleDocuments.append(view->document());
+            }
+        }
+
+        Q_FOREACH(KisDocument *document, kisPart->documents()) {
+            if (!visibleDocuments.contains(document)) {
+                visibleDocuments.append(document);
+                migrationTarget->newView(document);
+            }
+        }
+    }
+};
+
+KisWindowLayoutResource::KisWindowLayoutResource(const QString &filename)
+    : KoResource(filename)
+    , d(new Private)
+{}
+
+KisWindowLayoutResource::~KisWindowLayoutResource()
+{}
+
+KisWindowLayoutResource * KisWindowLayoutResource::fromCurrentWindows(const QString &filename, const QList<QPointer<KisMainWindow>> &mainWindows)
+{
+    auto resource = new KisWindowLayoutResource(filename);
+    resource->setWindows(mainWindows);
+    return resource;
+}
+
+void KisWindowLayoutResource::applyLayout()
+{
+    KisPart *kisPart = KisPart::instance();
+    QList<QPointer<KisMainWindow>> currentWindows = kisPart->mainWindows();
+
+    d->openNecessaryWindows(currentWindows);
+
+    int index = 0;
+    Q_FOREACH(const auto &window, d->windows) {
+        currentWindows.at(index)->restoreGeometry(window.geometry);
+        currentWindows.at(index)->restoreWorkspace(window.windowState);
+        index++;
+    }
+
+    d->closeUnneededWindows(currentWindows);
+}
+
+bool KisWindowLayoutResource::save()
+{
+    if (filename().isEmpty())
+        return false;
+
+    QFile file(filename());
+    file.open(QIODevice::WriteOnly);
+    bool res = saveToDevice(&file);
+    file.close();
+    return res;
+}
+
+bool KisWindowLayoutResource::load()
+{
+    if (filename().isEmpty())
+         return false;
+
+    QFile file(filename());
+    if (file.size() == 0) return false;
+    if (!file.open(QIODevice::ReadOnly)) {
+        warnKrita << "Can't open file " << filename();
+        return false;
+    }
+
+    bool res = loadFromDevice(&file);
+    file.close();
+    return res;
+}
+
+bool KisWindowLayoutResource::saveToDevice(QIODevice *dev) const
+{
+    QDomDocument doc;
+    QDomElement root = doc.createElement("WindowLayout");
+    root.setAttribute("name", name());
+    root.setAttribute("version", WINDOW_LAYOUT_VERSION);
+
+    saveXml(doc, root);
+
+    doc.appendChild(root);
+
+    QTextStream textStream(dev);
+    textStream.setCodec("UTF-8");
+    doc.save(textStream, 4);
+
+    KoResource::saveToDevice(dev);
+
+    return true;
+}
+
+bool KisWindowLayoutResource::loadFromDevice(QIODevice *dev)
+{
+    QDomDocument doc;
+    if (!doc.setContent(dev)) {
+        return false;
+    }
+
+    QDomElement element = doc.documentElement();
+    setName(element.attribute("name"));
+
+    d->windows.clear();
+
+    loadXml(element);
+
+    setValid(true);
+    return true;
+}
+
+void KisWindowLayoutResource::saveXml(QDomDocument &doc, QDomElement &root) const
+{
+    Q_FOREACH(const auto &window, d->windows) {
+        QDomElement elem = doc.createElement("window");
+        elem.setAttribute("id", window.windowId.toString());
+
+        QDomElement geometry = doc.createElement("geometry");
+        geometry.appendChild(doc.createCDATASection(window.geometry.toBase64()));
+        elem.appendChild(geometry);
+
+        QDomElement state = doc.createElement("windowState");
+        state.appendChild(doc.createCDATASection(window.windowState.toBase64()));
+        elem.appendChild(state);
+        root.appendChild(elem);
+    }
+}
+
+void KisWindowLayoutResource::loadXml(const QDomElement &element) const
+{
+    for (auto windowElement = element.firstChildElement("window");
+         !windowElement.isNull();
+         windowElement = windowElement.nextSiblingElement("window")) {
+
+        Private::Window window;
+
+        window.windowId = QUuid(windowElement.attribute("id", QUuid().toString()));
+        if (window.windowId.isNull()) {
+            window.windowId = QUuid::createUuid();
+        }
+
+        QDomElement geometry = windowElement.firstChildElement("geometry");
+        QDomElement state = windowElement.firstChildElement("windowState");
+
+        window.geometry = QByteArray::fromBase64(geometry.text().toLatin1());
+        window.windowState = QByteArray::fromBase64(state.text().toLatin1());
+
+        d->windows.append(window);
+    }
+}
+
+QString KisWindowLayoutResource::defaultFileExtension() const
+{
+    return QString(".kwl");
+}
+
+void KisWindowLayoutResource::setWindows(const QList<QPointer<KisMainWindow>> &mainWindows)
+{
+    d->windows.clear();
+
+    Q_FOREACH(auto window, mainWindows) {
+        Private::Window state;
+        state.windowId = window->id();
+        state.geometry = window->saveGeometry();
+        state.windowState = window->saveState();
+
+        d->windows.append(state);
+    }
+}
+
+
diff --git a/libs/ui/KisWindowLayoutResource.h b/libs/ui/KisWindowLayoutResource.h
new file mode 100644
index 0000000000..61a747a610
--- /dev/null
+++ b/libs/ui/KisWindowLayoutResource.h
@@ -0,0 +1,56 @@
+/*
+ *  Copyright (c) 2018 Jouni Pentikäinen <joupent@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef KISWINDOWLAYOUTRESOURCE_H
+#define KISWINDOWLAYOUTRESOURCE_H
+
+#include <KoResource.h>
+#include <KisMainWindow.h>
+
+class KisWindowLayoutResource : public KoResource
+{
+public:
+    explicit KisWindowLayoutResource(const QString &filename);
+    ~KisWindowLayoutResource() override;
+
+    static KisWindowLayoutResource * fromCurrentWindows(const QString &filename, const QList<QPointer<KisMainWindow>> &mainWindows);
+
+    void applyLayout();
+
+    bool save() override;
+    bool load() override;
+
+    bool saveToDevice(QIODevice *dev) const override;
+    bool loadFromDevice(QIODevice *dev) override;
+
+    QString defaultFileExtension() const override;
+
+protected:
+    void setWindows(const QList<QPointer<KisMainWindow>> &mainWindows);
+
+    virtual void saveXml(QDomDocument &doc, QDomElement &root) const;
+
+    virtual void loadXml(const QDomElement &root) const;
+
+private:
+    struct Private;
+
+    QScopedPointer<Private> d;
+};
+
+#endif
\ No newline at end of file
diff --git a/libs/ui/canvas/kis_canvas_controller.cpp b/libs/ui/canvas/kis_canvas_controller.cpp
index 6b5582dec3..1ce7ed6918 100644
--- a/libs/ui/canvas/kis_canvas_controller.cpp
+++ b/libs/ui/canvas/kis_canvas_controller.cpp
@@ -1,330 +1,359 @@
 /*
  *  Copyright (c) 2010 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_canvas_controller.h"
 
 #include <QMouseEvent>
 #include <QTabletEvent>
 
 #include <klocalizedstring.h>
 
 #include "kis_canvas_decoration.h"
 #include "kis_paintop_transformation_connector.h"
 #include "kis_coordinates_converter.h"
 #include "kis_canvas2.h"
 #include "opengl/kis_opengl_canvas2.h"
 #include "kis_image.h"
 #include "KisViewManager.h"
 #include "KisView.h"
 #include "krita_utils.h"
 #include "kis_config.h"
 #include "kis_signal_compressor_with_param.h"
 #include "kis_config_notifier.h"
 
 static const int gRulersUpdateDelay = 80 /* ms */;
 
 struct KisCanvasController::Private {
     Private(KisCanvasController *qq)
         : q(qq),
           paintOpTransformationConnector(0)
     {
         using namespace std::placeholders;
 
         std::function<void (QPoint)> callback(
             std::bind(&KisCanvasController::Private::emitPointerPositionChangedSignals, this, _1));
 
         mousePositionCompressor.reset(
             new KisSignalCompressorWithParam<QPoint>(
                 gRulersUpdateDelay,
                 callback,
                 KisSignalCompressor::FIRST_ACTIVE));
     }
 
     QPointer<KisView> view;
     KisCoordinatesConverter *coordinatesConverter;
     KisCanvasController *q;
     KisPaintopTransformationConnector *paintOpTransformationConnector;
     QScopedPointer<KisSignalCompressorWithParam<QPoint> > mousePositionCompressor;
 
     void emitPointerPositionChangedSignals(QPoint pointerPos);
     void updateDocumentSizeAfterTransform();
     void showRotationValueOnCanvas();
     void showMirrorStateOnCanvas();
 };
 
 void KisCanvasController::Private::emitPointerPositionChangedSignals(QPoint pointerPos)
 {
     if (!coordinatesConverter) return;
 
     QPointF documentPos = coordinatesConverter->widgetToDocument(pointerPos);
 
     q->proxyObject->emitDocumentMousePositionChanged(documentPos);
     q->proxyObject->emitCanvasMousePositionChanged(pointerPos);
 }
 
 void KisCanvasController::Private::updateDocumentSizeAfterTransform()
 {
     // round the size of the area to the nearest integer instead of getting aligned rect
     QSize widgetSize = coordinatesConverter->imageRectInWidgetPixels().toRect().size();
     q->updateDocumentSize(widgetSize, true);
 
     KisCanvas2 *kritaCanvas = dynamic_cast<KisCanvas2*>(q->canvas());
     Q_ASSERT(kritaCanvas);
 
     kritaCanvas->notifyZoomChanged();
 }
 
 
 KisCanvasController::KisCanvasController(QPointer<KisView>parent, KActionCollection * actionCollection)
     : KoCanvasControllerWidget(actionCollection, parent),
       m_d(new Private(this))
 {
     m_d->view = parent;
 }
 
 KisCanvasController::~KisCanvasController()
 {
     delete m_d;
 }
 
 void KisCanvasController::setCanvas(KoCanvasBase *canvas)
 {
     if (canvas) {
         KisCanvas2 *kritaCanvas = dynamic_cast<KisCanvas2*>(canvas);
         KIS_SAFE_ASSERT_RECOVER_RETURN(kritaCanvas);
 
         m_d->coordinatesConverter =
             const_cast<KisCoordinatesConverter*>(kritaCanvas->coordinatesConverter());
 
         m_d->paintOpTransformationConnector =
             new KisPaintopTransformationConnector(kritaCanvas, this);
     } else {
         m_d->coordinatesConverter = 0;
 
         delete m_d->paintOpTransformationConnector;
         m_d->paintOpTransformationConnector = 0;
     }
 
     KoCanvasControllerWidget::setCanvas(canvas);
 }
 
 void KisCanvasController::changeCanvasWidget(QWidget *widget)
 {
     KoCanvasControllerWidget::changeCanvasWidget(widget);
 }
 
 void KisCanvasController::activate()
 {
     KoCanvasControllerWidget::activate();
 }
 
 QPointF KisCanvasController::currentCursorPosition() const
 {
     KoCanvasBase *canvas = m_d->view->canvasBase();
     QWidget *canvasWidget = canvas->canvasWidget();
     const QPointF cursorPosWidget = canvasWidget->mapFromGlobal(QCursor::pos());
 
     return m_d->coordinatesConverter->widgetToDocument(cursorPosWidget);
 }
 
 void KisCanvasController::keyPressEvent(QKeyEvent *event)
 {
     /**
      * Dirty Hack Alert:
      * Do not call the KoCanvasControllerWidget::keyPressEvent()
      * to avoid activation of Pan and Default tool activation shortcuts
      */
     Q_UNUSED(event);
 }
 
 void KisCanvasController::wheelEvent(QWheelEvent *event)
 {
     /**
      * Dirty Hack Alert:
      * Do not call the KoCanvasControllerWidget::wheelEvent()
      * to disable the default behavior of KoCanvasControllerWidget and QAbstractScrollArea
      */
     Q_UNUSED(event);
 }
 
 bool KisCanvasController::eventFilter(QObject *watched, QEvent *event)
 {
     KoCanvasBase *canvas = this->canvas();
     if (!canvas || !canvas->canvasWidget() || canvas->canvasWidget() != watched) return false;
 
     if (event->type() == QEvent::MouseMove) {
         QMouseEvent *mevent = static_cast<QMouseEvent*>(event);
         m_d->mousePositionCompressor->start(mevent->pos());
     } else if (event->type() == QEvent::TabletMove) {
         QTabletEvent *tevent = static_cast<QTabletEvent*>(event);
         m_d->mousePositionCompressor->start(tevent->pos());
     } else if (event->type() == QEvent::FocusIn) {
         m_d->view->syncLastActiveNodeToDocument();
     }
 
     return false;
 }
 
 void KisCanvasController::updateDocumentSize(const QSize &sz, bool recalculateCenter)
 {
     KoCanvasControllerWidget::updateDocumentSize(sz, recalculateCenter);
 
     emit documentSizeChanged();
 }
 
 void KisCanvasController::Private::showMirrorStateOnCanvas()
 {
     bool isXMirrored = coordinatesConverter->xAxisMirrored();
 
     view->viewManager()->
         showFloatingMessage(
             i18nc("floating message about mirroring",
                   "Horizontal mirroring: %1 ", isXMirrored ? i18n("ON") : i18n("OFF")),
             QIcon(), 500, KisFloatingMessage::Low);
 }
 
 void KisCanvasController::mirrorCanvas(bool enable)
 {
     QPoint newOffset = m_d->coordinatesConverter->mirror(m_d->coordinatesConverter->widgetCenterPoint(), enable, false);
     m_d->updateDocumentSizeAfterTransform();
     setScrollBarValue(newOffset);
     m_d->paintOpTransformationConnector->notifyTransformationChanged();
     m_d->showMirrorStateOnCanvas();
 }
 
 void KisCanvasController::Private::showRotationValueOnCanvas()
 {
     qreal rotationAngle = coordinatesConverter->rotationAngle();
     view->viewManager()->
         showFloatingMessage(
             i18nc("floating message about rotation", "Rotation: %1° ",
                   KritaUtils::prettyFormatReal(rotationAngle)),
             QIcon(), 500, KisFloatingMessage::Low, Qt::AlignCenter);
 }
 
 void KisCanvasController::rotateCanvas(qreal angle, const QPointF &center)
 {
     QPoint newOffset = m_d->coordinatesConverter->rotate(center, angle);
     m_d->updateDocumentSizeAfterTransform();
     setScrollBarValue(newOffset);
     m_d->paintOpTransformationConnector->notifyTransformationChanged();
     m_d->showRotationValueOnCanvas();
 }
 
 void KisCanvasController::rotateCanvas(qreal angle)
 {
     rotateCanvas(angle, m_d->coordinatesConverter->widgetCenterPoint());
 }
 
 void KisCanvasController::rotateCanvasRight15()
 {
     rotateCanvas(15.0);
 }
 
 void KisCanvasController::rotateCanvasLeft15()
 {
     rotateCanvas(-15.0);
 }
 
 qreal KisCanvasController::rotation() const
 {
     return m_d->coordinatesConverter->rotationAngle();
 }
 
 void KisCanvasController::resetCanvasRotation()
 {
     QPoint newOffset = m_d->coordinatesConverter->resetRotation(m_d->coordinatesConverter->widgetCenterPoint());
     m_d->updateDocumentSizeAfterTransform();
     setScrollBarValue(newOffset);
     m_d->paintOpTransformationConnector->notifyTransformationChanged();
     m_d->showRotationValueOnCanvas();
 }
 
 void KisCanvasController::slotToggleWrapAroundMode(bool value)
 {
     KisCanvas2 *kritaCanvas = dynamic_cast<KisCanvas2*>(canvas());
     Q_ASSERT(kritaCanvas);
 
     if (!canvas()->canvasIsOpenGL() && value) {
         m_d->view->viewManager()->showFloatingMessage(i18n("You are activating wrap-around mode, but have not enabled OpenGL.\n"
                                                           "To visualize wrap-around mode, enable OpenGL."), QIcon());
     }
 
     kritaCanvas->setWrapAroundViewingMode(value);
     kritaCanvas->image()->setWrapAroundModePermitted(value);
 }
 
 bool KisCanvasController::wrapAroundMode() const
 {
     KisCanvas2 *kritaCanvas = dynamic_cast<KisCanvas2*>(canvas());
     Q_ASSERT(kritaCanvas);
 
     return kritaCanvas->wrapAroundViewingMode();
 }
 
 void KisCanvasController::slotTogglePixelGrid(bool value)
 {
     KisConfig cfg;
     cfg.enablePixelGrid(value);
 
     KisConfigNotifier::instance()->notifyPixelGridModeChanged();
 }
 
 void KisCanvasController::slotToggleLevelOfDetailMode(bool value)
 {
     KisCanvas2 *kritaCanvas = dynamic_cast<KisCanvas2*>(canvas());
     Q_ASSERT(kritaCanvas);
 
     kritaCanvas->setLodAllowedInCanvas(value);
 
     bool result = levelOfDetailMode();
 
     if (!value || result) {
         m_d->view->viewManager()->showFloatingMessage(
             i18n("Instant Preview Mode: %1", result ?
                  i18n("ON") : i18n("OFF")),
             QIcon(), 500, KisFloatingMessage::Low);
     } else {
         QString reason;
 
         if (!kritaCanvas->canvasIsOpenGL()) {
             reason = i18n("Instant Preview is only supported with OpenGL activated");
         }
         else if (kritaCanvas->openGLFilterMode() == KisOpenGL::BilinearFilterMode ||
                    kritaCanvas->openGLFilterMode() == KisOpenGL::NearestFilterMode) {
             QString filteringMode =
                 kritaCanvas->openGLFilterMode() == KisOpenGL::BilinearFilterMode ?
                 i18n("Bilinear") : i18n("Nearest Neighbour");
             reason = i18n("Instant Preview is supported\n in Trilinear or High Quality filtering modes.\nCurrent mode is %1", filteringMode);
         }
 
         m_d->view->viewManager()->showFloatingMessage(
             i18n("Failed activating Instant Preview mode!\n\n%1", reason),
             QIcon(), 5000, KisFloatingMessage::Low);
     }
 
 
 }
 
 bool KisCanvasController::levelOfDetailMode() const
 {
     KisCanvas2 *kritaCanvas = dynamic_cast<KisCanvas2*>(canvas());
     Q_ASSERT(kritaCanvas);
 
     return kritaCanvas->lodAllowedInCanvas();
 }
+
+void KisCanvasController::saveCanvasState(KisPropertiesConfiguration &config) const
+{
+    const QPointF &center = preferredCenter();
+    config.setProperty("panX", center.x());
+    config.setProperty("panY", center.y());
+
+    config.setProperty("rotation", rotation());
+    config.setProperty("mirror", m_d->coordinatesConverter->xAxisMirrored());
+    config.setProperty("wrapAround", wrapAroundMode());
+    config.setProperty("enableInstantPreview", levelOfDetailMode());
+}
+
+void KisCanvasController::restoreCanvasState(const KisPropertiesConfiguration &config)
+{
+    KisCanvas2 *kritaCanvas = dynamic_cast<KisCanvas2*>(canvas());
+    Q_ASSERT(kritaCanvas);
+
+    mirrorCanvas(config.getBool("mirror", false));
+    rotateCanvas(config.getFloat("rotation", 0.0f));
+
+    const QPointF &center = preferredCenter();
+    float panX = config.getFloat("panX", center.x());
+    float panY = config.getFloat("panY", center.y());
+    setPreferredCenter(QPointF(panX, panY));
+
+    slotToggleWrapAroundMode(config.getBool("wrapAround", false));
+    kritaCanvas->setLodAllowedInCanvas(config.getBool("enableInstantPreview", false));
+}
diff --git a/libs/ui/canvas/kis_canvas_controller.h b/libs/ui/canvas/kis_canvas_controller.h
index e35d45856c..1242fb3931 100644
--- a/libs/ui/canvas/kis_canvas_controller.h
+++ b/libs/ui/canvas/kis_canvas_controller.h
@@ -1,72 +1,76 @@
 /*
  *  Copyright (c) 2010 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifndef KIS_CANVAS_CONTROLLER_H
 #define KIS_CANVAS_CONTROLLER_H
 
 #include <KoCanvasControllerWidget.h>
 
 #include "kritaui_export.h"
 #include "kis_types.h"
 
+class KConfigGroup;
 class KisView;
 
 class KRITAUI_EXPORT KisCanvasController : public KoCanvasControllerWidget
 {
     Q_OBJECT
 
 public:
     KisCanvasController(QPointer<KisView>parent, KActionCollection * actionCollection);
     ~KisCanvasController() override;
 
     void setCanvas(KoCanvasBase *canvas) override;
     void changeCanvasWidget(QWidget *widget) override;
     void keyPressEvent(QKeyEvent *event) override;
     void wheelEvent(QWheelEvent *event) override;
     bool eventFilter(QObject *watched, QEvent *event) override;
     void updateDocumentSize(const QSize &sz, bool recalculateCenter) override;
     void activate() override;
 
     QPointF currentCursorPosition() const override;
 
 public:
     using KoCanvasController::documentSize;
     bool wrapAroundMode() const;
     bool levelOfDetailMode() const;
 
+    void saveCanvasState(KisPropertiesConfiguration &config) const;
+    void restoreCanvasState(const KisPropertiesConfiguration &config);
+
 public Q_SLOTS:
     void mirrorCanvas(bool enable);
     void rotateCanvas(qreal angle, const QPointF &center);
     void rotateCanvas(qreal angle);
     void rotateCanvasRight15();
     void rotateCanvasLeft15();
     qreal rotation() const;
     void resetCanvasRotation();
     void slotToggleWrapAroundMode(bool value);
     void slotTogglePixelGrid(bool value);
     void slotToggleLevelOfDetailMode(bool value);
 
 Q_SIGNALS:
     void documentSizeChanged();
 
 private:
     struct Private;
     Private * const m_d;
 };
 
 #endif /* KIS_CANVAS_CONTROLLER_H */
diff --git a/libs/ui/dialogs/KisSessionManagerDialog.cpp b/libs/ui/dialogs/KisSessionManagerDialog.cpp
new file mode 100644
index 0000000000..3f8e3af23f
--- /dev/null
+++ b/libs/ui/dialogs/KisSessionManagerDialog.cpp
@@ -0,0 +1,142 @@
+/*
+ *  Copyright (c) 2018 Jouni Pentikäinen <joupent@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include <KisSessionResource.h>
+#include <kis_resource_server_provider.h>
+#include <QtWidgets/QInputDialog>
+#include <QtWidgets/QMessageBox>
+#include <KisPart.h>
+#include "KisSessionManagerDialog.h"
+
+KisSessionManagerDialog::KisSessionManagerDialog(QWidget *parent)
+    : QDialog(parent)
+{
+    setupUi(this);
+
+    updateSessionList();
+
+    connect(btnNew, SIGNAL(clicked()), this, SLOT(slotNewSession()));
+    connect(btnRename, SIGNAL(clicked()), this, SLOT(slotRenameSession()));
+    connect(btnSwitchTo, SIGNAL(clicked()), this, SLOT(slotSwitchSession()));
+    connect(btnDelete, SIGNAL(clicked()), this, SLOT(slotDeleteSession()));
+    connect(btnClose, SIGNAL(clicked()), this, SLOT(slotClose()));
+
+    connect(lstSessions, SIGNAL(itemDoubleClicked(QListWidgetItem *item)), this, SLOT(slotSessionDoubleClicked(QListWidgetItem* item)));
+}
+
+void KisSessionManagerDialog::updateSessionList() {
+    KoResourceServer<KisSessionResource> *server = KisResourceServerProvider::instance()->sessionServer(true);
+
+    lstSessions->clear();
+    Q_FOREACH(KisSessionResource *session, server->resources()) {
+        lstSessions->addItem(session->name());
+    }
+}
+
+void KisSessionManagerDialog::slotNewSession()
+{
+    QString name = QInputDialog::getText(this,
+        i18n("Create session"),
+        i18n("Session name:"), QLineEdit::Normal
+    );
+    if (name.isNull() || name.isEmpty()) return;
+
+    auto *session = new KisSessionResource(QString());
+
+    KoResourceServer<KisSessionResource> *server = KisResourceServerProvider::instance()->sessionServer(false);
+    QString saveLocation = server->saveLocation();
+    QFileInfo fileInfo(saveLocation + name + session->defaultFileExtension());
+    int i = 1;
+    while (fileInfo.exists()) {
+        fileInfo.setFile(saveLocation + name + QString("%1").arg(i) + session->defaultFileExtension());
+        i++;
+    }
+
+    session->setFilename(fileInfo.filePath());
+    session->setName(name);
+    session->storeCurrentWindows();
+
+    server->addResource(session);
+
+    updateSessionList();
+}
+
+void KisSessionManagerDialog::slotRenameSession()
+{
+    QString name = QInputDialog::getText(this,
+         i18n("Rename session"),
+         i18n("New name:"), QLineEdit::Normal
+    );
+    if (name.isNull() || name.isEmpty()) return;
+
+    KisSessionResource *session = getSelectedSession();
+    session->setName(name);
+    session->save();
+
+    updateSessionList();
+}
+
+void KisSessionManagerDialog::slotSessionDoubleClicked(QListWidgetItem* item)
+{
+    slotSwitchSession();
+    slotClose();
+}
+
+void KisSessionManagerDialog::slotSwitchSession()
+{
+    KisSessionResource *session = getSelectedSession();
+
+    if (session) {
+        KisPart::instance()->closeSession();
+        session->restore();
+    }
+}
+
+KisSessionResource *KisSessionManagerDialog::getSelectedSession() const
+{
+    QListWidgetItem *item = lstSessions->currentItem();
+    if (item) {
+        KoResourceServer<KisSessionResource> *server = KisResourceServerProvider::instance()->sessionServer(false);
+        return server->resourceByName(item->text());
+    }
+    return nullptr;
+}
+
+void KisSessionManagerDialog::slotDeleteSession()
+{
+    KisSessionResource *session = getSelectedSession();
+    if (!session) return;
+
+    if (QMessageBox::warning(this,
+        i18nc("@title:window", "Krita"),
+        QString(i18n("Permanently delete session %1?", session->name())),
+        QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes) {
+
+        KoResourceServer<KisSessionResource> *server = KisResourceServerProvider::instance()->sessionServer(false);
+        server->removeResourceFromServer(session);
+
+        QFile file(session->filename());
+        file.remove();
+
+        updateSessionList();
+    }
+}
+
+void KisSessionManagerDialog::slotClose()
+{
+    hide();
+}
diff --git a/libs/ui/dialogs/KisSessionManagerDialog.h b/libs/ui/dialogs/KisSessionManagerDialog.h
new file mode 100644
index 0000000000..a3e400daed
--- /dev/null
+++ b/libs/ui/dialogs/KisSessionManagerDialog.h
@@ -0,0 +1,50 @@
+/*
+ *  Copyright (c) 2018 Jouni Pentikäinen <joupent@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef KISSESSIONMANAGERDIALOG_H
+#define KISSESSIONMANAGERDIALOG_H
+
+#include <QDialog>
+
+#include "ui_wdgsessionmanager.h"
+
+class KisSessionResource;
+
+class KisSessionManagerDialog : public QDialog, Ui::DlgSessionManager
+{
+    Q_OBJECT
+
+public:
+    explicit KisSessionManagerDialog(QWidget *parent = nullptr);
+
+private Q_SLOTS:
+    void slotNewSession();
+    void slotRenameSession();
+    void slotSwitchSession();
+    void slotDeleteSession();
+    void slotSessionDoubleClicked(QListWidgetItem* item);
+
+    void slotClose();
+
+private:
+    void updateSessionList();
+
+    KisSessionResource *getSelectedSession() const;
+};
+
+#endif
\ No newline at end of file
diff --git a/libs/ui/dialogs/kis_dlg_preferences.cc b/libs/ui/dialogs/kis_dlg_preferences.cc
index edad1e48e8..1d017e9724 100644
--- a/libs/ui/dialogs/kis_dlg_preferences.cc
+++ b/libs/ui/dialogs/kis_dlg_preferences.cc
@@ -1,1318 +1,1332 @@
 /*
  *  preferencesdlg.cc - part of KImageShop
  *
  *  Copyright (c) 1999 Michael Koch <koch@kde.org>
  *  Copyright (c) 2003-2011 Boudewijn Rempt <boud@valdyas.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_dlg_preferences.h"
 
 #include <opengl/kis_opengl.h>
 
 #include <QBitmap>
 #include <QCheckBox>
 #include <QCursor>
 #include <QLabel>
 #include <QLayout>
 #include <QLineEdit>
 #include <QPushButton>
 #include <QSlider>
 #include <QToolButton>
 #include <QThread>
 #include <QStandardPaths>
 #include <QGridLayout>
 #include <QRadioButton>
 #include <QGroupBox>
 #include <QMdiArea>
 #include <QMessageBox>
 #include <QDesktopWidget>
 #include <QFileDialog>
 #include <QFormLayout>
 #include <QSettings>
 
 #include <KisDocument.h>
 #include <KoColorProfile.h>
 #include <KisApplication.h>
 #include <KoFileDialog.h>
 #include <KisPart.h>
 #include <KoColorSpaceEngine.h>
 #include <kis_icon.h>
 #include <KoConfig.h>
 #include "KoID.h"
 #include <KoConfigAuthorPage.h>
 #include <KoVBox.h>
 
 #include <klocalizedstring.h>
 #include <kundo2stack.h>
 #include <KoResourcePaths.h>
 #include "kis_action_registry.h"
 
 #include <squeezedcombobox.h>
 #include "kis_clipboard.h"
 #include "widgets/kis_cmb_idlist.h"
 #include "KoColorSpace.h"
 #include "KoColorSpaceRegistry.h"
 #include "KoColorConversionTransformation.h"
 #include "kis_cursor.h"
 #include "kis_config.h"
 #include "kis_canvas_resource_provider.h"
 #include "kis_preference_set_registry.h"
 #include "kis_color_manager.h"
 #include "KisProofingConfiguration.h"
 #include "kis_image_config.h"
 
 #include "slider_and_spin_box_sync.h"
 
 // for the performance update
 #include <kis_cubic_curve.h>
 #include <kis_signals_blocker.h>
 
 #include "input/config/kis_input_configuration_page.h"
 
 #ifdef Q_OS_WIN
 #  include <kis_tablet_support_win8.h>
 #endif
 
 
 GeneralTab::GeneralTab(QWidget *_parent, const char *_name)
     : WdgGeneralSettings(_parent, _name)
 {
     KisConfig cfg;
 
     m_cmbCursorShape->addItem(i18n("No Cursor"));
     m_cmbCursorShape->addItem(i18n("Tool Icon"));
     m_cmbCursorShape->addItem(i18n("Arrow"));
     m_cmbCursorShape->addItem(i18n("Small Circle"));
     m_cmbCursorShape->addItem(i18n("Crosshair"));
     m_cmbCursorShape->addItem(i18n("Triangle Righthanded"));
     m_cmbCursorShape->addItem(i18n("Triangle Lefthanded"));
     m_cmbCursorShape->addItem(i18n("Black Pixel"));
     m_cmbCursorShape->addItem(i18n("White Pixel"));
 
     m_cmbOutlineShape->addItem(i18n("No Outline"));
     m_cmbOutlineShape->addItem(i18n("Circle Outline"));
     m_cmbOutlineShape->addItem(i18n("Preview Outline"));
     m_cmbOutlineShape->addItem(i18n("Tilt Outline"));
 
     m_cmbKineticScrollingGesture->addItem(i18n("Disabled"));
     m_cmbKineticScrollingGesture->addItem(i18n("On Touch Drag"));
     m_cmbKineticScrollingGesture->addItem(i18n("On Click Drag"));
 
     m_cmbCursorShape->setCurrentIndex(cfg.newCursorStyle());
     m_cmbOutlineShape->setCurrentIndex(cfg.newOutlineStyle());
 
+    cmbStartupSession->addItem(i18n("Open default window"));
+    cmbStartupSession->addItem(i18n("Load previous session"));
+    // TODO: before enabling this, fix the bootstrap problem of opening
+    // the first main window if no sessions exist yet
+    //cmbStartupSession->addItem(i18n("Show session manager"));
+    cmbStartupSession->setCurrentIndex(cfg.sessionOnStartup());
+
     chkShowRootLayer->setChecked(cfg.showRootLayer());
 
     int autosaveInterval = cfg.autoSaveInterval();
     //convert to minutes
     m_autosaveSpinBox->setValue(autosaveInterval / 60);
     m_autosaveCheckBox->setChecked(autosaveInterval > 0);
     m_undoStackSize->setValue(cfg.undoStackLimit());
     m_backupFileCheckBox->setChecked(cfg.backupFile());
     m_showOutlinePainting->setChecked(cfg.showOutlineWhilePainting());
     m_hideSplashScreen->setChecked(cfg.hideSplashScreen());
 
     KConfigGroup group = KSharedConfig::openConfig()->group("File Dialogs");
     bool dontUseNative = true;
 #ifdef Q_OS_UNIX
     if (qgetenv("XDG_CURRENT_DESKTOP") == "KDE") {
         dontUseNative = false;
     }
 #endif
 #ifdef Q_OS_WIN
     dontUseNative = false;
 #endif
     m_chkNativeFileDialog->setChecked(!group.readEntry("DontUseNativeFileDialog", dontUseNative));
 
     intMaxBrushSize->setValue(cfg.readEntry("maximumBrushSize", 1000));
 
     m_cmbMDIType->setCurrentIndex(cfg.readEntry<int>("mdi_viewmode", (int)QMdiArea::TabbedView));
     m_chkRubberBand->setChecked(cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
     m_favoritePresetsSpinBox->setValue(cfg.favoritePresets());
     KoColor mdiColor;
     mdiColor.fromQColor(cfg.getMDIBackgroundColor());
     m_mdiColor->setColor(mdiColor);
     m_backgroundimage->setText(cfg.getMDIBackgroundImage());
     m_chkCanvasMessages->setChecked(cfg.showCanvasMessages());
     m_chkCompressKra->setChecked(cfg.compressKra());
 
     const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
     QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
     m_chkHiDPI->setChecked(kritarc.value("EnableHiDPI", false).toBool());
     m_chkSingleApplication->setChecked(kritarc.value("EnableSingleApplication", true).toBool());
 
     m_radioToolOptionsInDocker->setChecked(cfg.toolOptionsInDocker());
     m_cmbKineticScrollingGesture->setCurrentIndex(cfg.kineticScrollingGesture());
     m_kineticScrollingSensitivity->setValue(cfg.kineticScrollingSensitivity());
     m_chkKineticScrollingScrollbar->setChecked(cfg.kineticScrollingScrollbar());
     m_chkSwitchSelectionCtrlAlt->setChecked(cfg.switchSelectionCtrlAlt());
     chkEnableTouch->setChecked(!cfg.disableTouchOnCanvas());
     m_chkConvertOnImport->setChecked(cfg.convertToImageColorspaceOnImport());
     m_chkCacheAnimatioInBackground->setChecked(cfg.calculateAnimationCacheInBackground());
 
     KoColor cursorColor(KoColorSpaceRegistry::instance()->rgb8());
     cursorColor.fromQColor(cfg.getCursorMainColor());
     cursorColorBtutton->setColor(cursorColor);
 
     connect(m_bnFileName, SIGNAL(clicked()), SLOT(getBackgroundImage()));
     connect(clearBgImageButton, SIGNAL(clicked()), SLOT(clearBackgroundImage()));
 }
 
 void GeneralTab::setDefault()
 {
     KisConfig cfg;
 
     m_cmbCursorShape->setCurrentIndex(cfg.newCursorStyle(true));
     m_cmbOutlineShape->setCurrentIndex(cfg.newOutlineStyle(true));
     chkShowRootLayer->setChecked(cfg.showRootLayer(true));
     m_autosaveCheckBox->setChecked(cfg.autoSaveInterval(true) > 0);
     //convert to minutes
     m_autosaveSpinBox->setValue(cfg.autoSaveInterval(true) / 60);
     m_undoStackSize->setValue(cfg.undoStackLimit(true));
     m_backupFileCheckBox->setChecked(cfg.backupFile(true));
     m_showOutlinePainting->setChecked(cfg.showOutlineWhilePainting(true));
     m_hideSplashScreen->setChecked(cfg.hideSplashScreen(true));
+
     m_chkNativeFileDialog->setChecked(false);
     intMaxBrushSize->setValue(1000);
 
     m_cmbMDIType->setCurrentIndex((int)QMdiArea::TabbedView);
     m_chkRubberBand->setChecked(cfg.useOpenGL(true));
     m_favoritePresetsSpinBox->setValue(cfg.favoritePresets(true));
     KoColor mdiColor;
     mdiColor.fromQColor(cfg.getMDIBackgroundColor(true));
     m_mdiColor->setColor(mdiColor);
     m_backgroundimage->setText(cfg.getMDIBackgroundImage(true));
     m_chkCanvasMessages->setChecked(cfg.showCanvasMessages(true));
     m_chkCompressKra->setChecked(cfg.compressKra(true));
     m_chkHiDPI->setChecked(false);
     m_chkSingleApplication->setChecked(true);
 
     m_chkHiDPI->setChecked(true);
     m_radioToolOptionsInDocker->setChecked(cfg.toolOptionsInDocker(true));
     m_cmbKineticScrollingGesture->setCurrentIndex(cfg.kineticScrollingGesture(true));
     m_kineticScrollingSensitivity->setValue(cfg.kineticScrollingSensitivity(true));
     m_chkKineticScrollingScrollbar->setChecked(cfg.kineticScrollingScrollbar(true));
     m_chkSwitchSelectionCtrlAlt->setChecked(cfg.switchSelectionCtrlAlt(true));
     chkEnableTouch->setChecked(!cfg.disableTouchOnCanvas(true));
     m_chkConvertOnImport->setChecked(cfg.convertToImageColorspaceOnImport(true));
     m_chkCacheAnimatioInBackground->setChecked(cfg.calculateAnimationCacheInBackground(true));
 
     KoColor cursorColor(KoColorSpaceRegistry::instance()->rgb8());
     cursorColor.fromQColor(cfg.getCursorMainColor(true));
     cursorColorBtutton->setColor(cursorColor);
 }
 
 CursorStyle GeneralTab::cursorStyle()
 {
     return (CursorStyle)m_cmbCursorShape->currentIndex();
 }
 
 OutlineStyle GeneralTab::outlineStyle()
 {
     return (OutlineStyle)m_cmbOutlineShape->currentIndex();
 }
 
+KisConfig::SessionOnStartup GeneralTab::sessionOnStartup() const
+{
+    return (KisConfig::SessionOnStartup)cmbStartupSession->currentIndex();
+}
+
 bool GeneralTab::showRootLayer()
 {
     return chkShowRootLayer->isChecked();
 }
 
 int GeneralTab::autoSaveInterval()
 {
     //convert to seconds
     return m_autosaveCheckBox->isChecked() ? m_autosaveSpinBox->value() * 60 : 0;
 }
 
 int GeneralTab::undoStackSize()
 {
     return m_undoStackSize->value();
 }
 
 bool GeneralTab::showOutlineWhilePainting()
 {
     return m_showOutlinePainting->isChecked();
 }
 
 bool GeneralTab::hideSplashScreen()
 {
     return m_hideSplashScreen->isChecked();
 }
 
 int GeneralTab::mdiMode()
 {
     return m_cmbMDIType->currentIndex();
 }
 
 int GeneralTab::favoritePresets()
 {
     return m_favoritePresetsSpinBox->value();
 }
 
 bool GeneralTab::showCanvasMessages()
 {
     return m_chkCanvasMessages->isChecked();
 }
 
 bool GeneralTab::compressKra()
 {
     return m_chkCompressKra->isChecked();
 }
 
 bool GeneralTab::toolOptionsInDocker()
 {
     return m_radioToolOptionsInDocker->isChecked();
 }
 
 int GeneralTab::kineticScrollingGesture()
 {
     return m_cmbKineticScrollingGesture->currentIndex();
 }
 
 int GeneralTab::kineticScrollingSensitivity()
 {
     return m_kineticScrollingSensitivity->value();
 }
 
 bool GeneralTab::kineticScrollingScrollbar()
 {
     return m_chkKineticScrollingScrollbar->isChecked();
 }
 
 bool GeneralTab::switchSelectionCtrlAlt()
 {
     return m_chkSwitchSelectionCtrlAlt->isChecked();
 
 }
 
 bool GeneralTab::convertToImageColorspaceOnImport()
 {
     return m_chkConvertOnImport->isChecked();
 }
 
 bool GeneralTab::calculateAnimationCacheInBackground()
 {
     return m_chkCacheAnimatioInBackground->isChecked();
 }
 
 
 void GeneralTab::getBackgroundImage()
 {
     KoFileDialog dialog(this, KoFileDialog::OpenFile, "BackgroundImages");
     dialog.setCaption(i18n("Select a Background Image"));
     dialog.setDefaultDir(QStandardPaths::writableLocation(QStandardPaths::PicturesLocation));
     dialog.setImageFilters();
 
     QString fn = dialog.filename();
     // dialog box was canceled or somehow no file was selected
     if (fn.isEmpty()) {
         return;
     }
 
     QImage image(fn);
     if (image.isNull()) {
         QMessageBox::warning(this, i18nc("@title:window", "Krita"), i18n("%1 is not a valid image file!", fn));
     }
     else {
         m_backgroundimage->setText(fn);
     }
 }
 
 void GeneralTab::clearBackgroundImage()
 {
     // clearing the background image text will implicitly make the background color be used
     m_backgroundimage->setText("");
 }
 
 #include "kactioncollection.h"
 #include "KisActionsSnapshot.h"
 
 ShortcutSettingsTab::ShortcutSettingsTab(QWidget *parent, const char *name)
     : QWidget(parent)
 {
     setObjectName(name);
 
     QGridLayout * l = new QGridLayout(this);
     l->setMargin(0);
     m_page = new WdgShortcutSettings(this);
     l->addWidget(m_page, 0, 0);
 
 
     m_snapshot.reset(new KisActionsSnapshot);
 
     KActionCollection *collection =
         KisPart::instance()->currentMainwindow()->actionCollection();
 
     Q_FOREACH (QAction *action, collection->actions()) {
         m_snapshot->addAction(action->objectName(), action);
     }
 
     QMap<QString, KActionCollection*> sortedCollections =
         m_snapshot->actionCollections();
 
     for (auto it = sortedCollections.constBegin(); it != sortedCollections.constEnd(); ++it) {
         m_page->addCollection(it.value(), it.key());
     }
 }
 
 ShortcutSettingsTab::~ShortcutSettingsTab()
 {
 }
 
 void ShortcutSettingsTab::setDefault()
 {
     m_page->allDefault();
 }
 
 void ShortcutSettingsTab::saveChanges()
 {
     m_page->save();
     KisActionRegistry::instance()->settingsPageSaved();
 }
 
 void ShortcutSettingsTab::cancelChanges()
 {
     m_page->undo();
 }
 
 ColorSettingsTab::ColorSettingsTab(QWidget *parent, const char *name)
     : QWidget(parent)
 {
     setObjectName(name);
 
     // XXX: Make sure only profiles that fit the specified color model
     // are shown in the profile combos
 
     QGridLayout * l = new QGridLayout(this);
     l->setMargin(0);
     m_page = new WdgColorSettings(this);
     l->addWidget(m_page, 0, 0);
 
     KisConfig cfg;
 
     m_page->chkUseSystemMonitorProfile->setChecked(cfg.useSystemMonitorProfile());
     connect(m_page->chkUseSystemMonitorProfile, SIGNAL(toggled(bool)), this, SLOT(toggleAllowMonitorProfileSelection(bool)));
 
     m_page->cmbWorkingColorSpace->setIDList(KoColorSpaceRegistry::instance()->listKeys());
     m_page->cmbWorkingColorSpace->setCurrent(cfg.workingColorSpace());
 
     m_page->bnAddColorProfile->setIcon(KisIconUtils::loadIcon("document-open"));
     m_page->bnAddColorProfile->setToolTip( i18n("Open Color Profile") );
     connect(m_page->bnAddColorProfile, SIGNAL(clicked()), SLOT(installProfile()));
 
     QFormLayout *monitorProfileGrid = new QFormLayout(m_page->monitorprofileholder);
     for(int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
         QLabel *lbl = new QLabel(i18nc("The number of the screen", "Screen %1:", i + 1));
         m_monitorProfileLabels << lbl;
         SqueezedComboBox *cmb = new SqueezedComboBox();
         cmb->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
         monitorProfileGrid->addRow(lbl, cmb);
         m_monitorProfileWidgets << cmb;
     }
 
     refillMonitorProfiles(KoID("RGBA", ""));
 
     for(int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
         if (m_monitorProfileWidgets[i]->contains(cfg.monitorProfile(i))) {
             m_monitorProfileWidgets[i]->setCurrent(cfg.monitorProfile(i));
         }
     }
 
     m_page->chkBlackpoint->setChecked(cfg.useBlackPointCompensation());
     m_page->chkAllowLCMSOptimization->setChecked(cfg.allowLCMSOptimization());
 
     KisImageConfig cfgImage;
 
     KisProofingConfigurationSP proofingConfig = cfgImage.defaultProofingconfiguration();
     m_page->sldAdaptationState->setMaximum(20);
     m_page->sldAdaptationState->setMinimum(0);
     m_page->sldAdaptationState->setValue((int)proofingConfig->adaptationState*20);
 
     //probably this should become the screenprofile?
     KoColor ga(KoColorSpaceRegistry::instance()->rgb8());
     ga.fromKoColor(proofingConfig->warningColor);
     m_page->gamutAlarm->setColor(ga);
 
     const KoColorSpace *proofingSpace =  KoColorSpaceRegistry::instance()->colorSpace(proofingConfig->proofingModel,
                                                                                       proofingConfig->proofingDepth,
                                                                                       proofingConfig->proofingProfile);
     if (proofingSpace) {
         m_page->proofingSpaceSelector->setCurrentColorSpace(proofingSpace);
     }
 
     m_page->cmbProofingIntent->setCurrentIndex((int)proofingConfig->intent);
     m_page->ckbProofBlackPoint->setChecked(proofingConfig->conversionFlags.testFlag(KoColorConversionTransformation::BlackpointCompensation));
 
     m_pasteBehaviourGroup.addButton(m_page->radioPasteWeb, PASTE_ASSUME_WEB);
     m_pasteBehaviourGroup.addButton(m_page->radioPasteMonitor, PASTE_ASSUME_MONITOR);
     m_pasteBehaviourGroup.addButton(m_page->radioPasteAsk, PASTE_ASK);
 
     QAbstractButton *button = m_pasteBehaviourGroup.button(cfg.pasteBehaviour());
     Q_ASSERT(button);
 
     if (button) {
         button->setChecked(true);
     }
 
     m_page->cmbMonitorIntent->setCurrentIndex(cfg.monitorRenderIntent());
 
     toggleAllowMonitorProfileSelection(cfg.useSystemMonitorProfile());
 
 }
 
 void ColorSettingsTab::installProfile()
 {
     KoFileDialog dialog(this, KoFileDialog::OpenFiles, "OpenDocumentICC");
     dialog.setCaption(i18n("Install Color Profiles"));
     dialog.setDefaultDir(QStandardPaths::writableLocation(QStandardPaths::HomeLocation));
     dialog.setMimeTypeFilters(QStringList() << "application/vnd.iccprofile", "application/vnd.iccprofile");
     QStringList profileNames = dialog.filenames();
 
     KoColorSpaceEngine *iccEngine = KoColorSpaceEngineRegistry::instance()->get("icc");
     Q_ASSERT(iccEngine);
 
     QString saveLocation = KoResourcePaths::saveLocation("icc_profiles");
 
     Q_FOREACH (const QString &profileName, profileNames) {
         if (!QFile::copy(profileName, saveLocation + QFileInfo(profileName).fileName())) {
             qWarning() << "Could not install profile!" << saveLocation + QFileInfo(profileName).fileName();
             continue;
         }
         iccEngine->addProfile(saveLocation + QFileInfo(profileName).fileName());
     }
 
     KisConfig cfg;
     refillMonitorProfiles(KoID("RGBA", ""));
 
     for(int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
         if (m_monitorProfileWidgets[i]->contains(cfg.monitorProfile(i))) {
             m_monitorProfileWidgets[i]->setCurrent(cfg.monitorProfile(i));
         }
     }
 
 }
 
 void ColorSettingsTab::toggleAllowMonitorProfileSelection(bool useSystemProfile)
 {
     if (useSystemProfile) {
         KisConfig cfg;
         QStringList devices = KisColorManager::instance()->devices();
         if (devices.size() == QApplication::desktop()->screenCount()) {
             for(int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
                 m_monitorProfileWidgets[i]->clear();
                 QString monitorForScreen = cfg.monitorForScreen(i, devices[i]);
                 Q_FOREACH (const QString &device, devices) {
                     m_monitorProfileLabels[i]->setText(i18nc("The display/screen we got from Qt", "Screen %1:", i + 1));
                     m_monitorProfileWidgets[i]->addSqueezedItem(KisColorManager::instance()->deviceName(device), device);
                     if (devices[i] == monitorForScreen) {
                         m_monitorProfileWidgets[i]->setCurrentIndex(i);
                     }
                 }
             }
         }
     }
     else {
         KisConfig cfg;
         refillMonitorProfiles(KoID("RGBA", ""));
 
         for(int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
             if (m_monitorProfileWidgets[i]->contains(cfg.monitorProfile(i))) {
                 m_monitorProfileWidgets[i]->setCurrent(cfg.monitorProfile(i));
             }
         }
     }
 }
 
 void ColorSettingsTab::setDefault()
 {
     m_page->cmbWorkingColorSpace->setCurrent("RGBA");
 
     refillMonitorProfiles(KoID("RGBA", ""));
 
     KisConfig cfg;
     KisImageConfig cfgImage;
     KisProofingConfigurationSP proofingConfig =  cfgImage.defaultProofingconfiguration();
     const KoColorSpace *proofingSpace =  KoColorSpaceRegistry::instance()->colorSpace(proofingConfig->proofingModel,proofingConfig->proofingDepth,proofingConfig->proofingProfile);
     if (proofingSpace) {
         m_page->proofingSpaceSelector->setCurrentColorSpace(proofingSpace);
     }
     m_page->cmbProofingIntent->setCurrentIndex((int)proofingConfig->intent);
     m_page->ckbProofBlackPoint->setChecked(proofingConfig->conversionFlags.testFlag(KoColorConversionTransformation::BlackpointCompensation));
     m_page->sldAdaptationState->setValue(0);
 
     //probably this should become the screenprofile?
     KoColor ga(KoColorSpaceRegistry::instance()->rgb8());
     ga.fromKoColor(proofingConfig->warningColor);
     m_page->gamutAlarm->setColor(ga);
 
     m_page->chkBlackpoint->setChecked(cfg.useBlackPointCompensation(true));
     m_page->chkAllowLCMSOptimization->setChecked(cfg.allowLCMSOptimization(true));
     m_page->cmbMonitorIntent->setCurrentIndex(cfg.monitorRenderIntent(true));
     m_page->chkUseSystemMonitorProfile->setChecked(cfg.useSystemMonitorProfile(true));
     QAbstractButton *button = m_pasteBehaviourGroup.button(cfg.pasteBehaviour(true));
     Q_ASSERT(button);
     if (button) {
         button->setChecked(true);
     }
 }
 
 
 void ColorSettingsTab::refillMonitorProfiles(const KoID & colorSpaceId)
 {
     for (int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
         m_monitorProfileWidgets[i]->clear();
     }
 
     QMap<QString, const KoColorProfile *>  profileList;
     Q_FOREACH(const KoColorProfile *profile, KoColorSpaceRegistry::instance()->profilesFor(colorSpaceId.id())) {
         profileList[profile->name()] = profile;
     }
 
     Q_FOREACH (const KoColorProfile *profile, profileList.values()) {
         //qDebug() << "Profile" << profile->name() << profile->isSuitableForDisplay() << csf->defaultProfile();
         if (profile->isSuitableForDisplay()) {
             for (int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
                 m_monitorProfileWidgets[i]->addSqueezedItem(profile->name());
             }
         }
     }
 
     for (int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
         m_monitorProfileLabels[i]->setText(i18nc("The number of the screen", "Screen %1:", i + 1));
         m_monitorProfileWidgets[i]->setCurrent(KoColorSpaceRegistry::instance()->defaultProfileForColorSpace(colorSpaceId.id()));
     }
 }
 
 
 //---------------------------------------------------------------------------------------------------
 
 void TabletSettingsTab::setDefault()
 {
     KisCubicCurve curve;
     curve.fromString(DEFAULT_CURVE_STRING);
     m_page->pressureCurve->setCurve(curve);
 
 #ifdef Q_OS_WIN
     if (KisTabletSupportWin8::isAvailable()) {
         KisConfig cfg;
         m_page->radioWintab->setChecked(!cfg.useWin8PointerInput(true));
         m_page->radioWin8PointerInput->setChecked(cfg.useWin8PointerInput(true));
     } else {
         m_page->radioWintab->setChecked(true);
         m_page->radioWin8PointerInput->setChecked(false);
     }
 #endif
 }
 
 TabletSettingsTab::TabletSettingsTab(QWidget* parent, const char* name): QWidget(parent)
 {
     setObjectName(name);
 
     QGridLayout * l = new QGridLayout(this);
     l->setMargin(0);
     m_page = new WdgTabletSettings(this);
     l->addWidget(m_page, 0, 0);
 
     KisConfig cfg;
     KisCubicCurve curve;
     curve.fromString( cfg.pressureTabletCurve() );
 
     m_page->pressureCurve->setMaximumSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
     m_page->pressureCurve->setCurve(curve);
 
 #ifdef Q_OS_WIN
     if (KisTabletSupportWin8::isAvailable()) {
         m_page->radioWintab->setChecked(!cfg.useWin8PointerInput());
         m_page->radioWin8PointerInput->setChecked(cfg.useWin8PointerInput());
     } else {
         m_page->radioWintab->setChecked(true);
         m_page->radioWin8PointerInput->setChecked(false);
         m_page->grpTabletApi->setVisible(false);
     }
 #else
     m_page->grpTabletApi->setVisible(false);
 #endif
 }
 
 
 //---------------------------------------------------------------------------------------------------
 #include "kis_acyclic_signal_connector.h"
 
 int getTotalRAM() {
     KisImageConfig cfg;
     return cfg.totalRAM();
 }
 
 int PerformanceTab::realTilesRAM()
 {
     return intMemoryLimit->value() - intPoolLimit->value();
 }
 
 PerformanceTab::PerformanceTab(QWidget *parent, const char *name)
     : WdgPerformanceSettings(parent, name)
 {
     KisImageConfig cfg;
     const int totalRAM = cfg.totalRAM();
     lblTotalMemory->setText(i18n("%1 MiB", totalRAM));
 
     sliderMemoryLimit->setSuffix(i18n(" %"));
     sliderMemoryLimit->setRange(1, 100, 2);
     sliderMemoryLimit->setSingleStep(0.01);
 
     sliderPoolLimit->setSuffix(i18n(" %"));
     sliderPoolLimit->setRange(0, 20, 2);
     sliderMemoryLimit->setSingleStep(0.01);
 
     sliderUndoLimit->setSuffix(i18n(" %"));
     sliderUndoLimit->setRange(0, 50, 2);
     sliderMemoryLimit->setSingleStep(0.01);
 
     intMemoryLimit->setMinimumWidth(80);
     intPoolLimit->setMinimumWidth(80);
     intUndoLimit->setMinimumWidth(80);
 
 
     SliderAndSpinBoxSync *sync1 =
         new SliderAndSpinBoxSync(sliderMemoryLimit,
                                  intMemoryLimit,
                                  getTotalRAM);
 
     sync1->slotParentValueChanged();
     m_syncs << sync1;
 
     SliderAndSpinBoxSync *sync2 =
         new SliderAndSpinBoxSync(sliderPoolLimit,
                                  intPoolLimit,
                                  std::bind(&KisIntParseSpinBox::value,
                                              intMemoryLimit));
 
 
     connect(intMemoryLimit, SIGNAL(valueChanged(int)), sync2, SLOT(slotParentValueChanged()));
     sync2->slotParentValueChanged();
     m_syncs << sync2;
 
     SliderAndSpinBoxSync *sync3 =
         new SliderAndSpinBoxSync(sliderUndoLimit,
                                  intUndoLimit,
                                  std::bind(&PerformanceTab::realTilesRAM,
                                              this));
 
 
     connect(intPoolLimit, SIGNAL(valueChanged(int)), sync3, SLOT(slotParentValueChanged()));
     sync3->slotParentValueChanged();
     m_syncs << sync3;
 
     sliderSwapSize->setSuffix(i18n(" GiB"));
     sliderSwapSize->setRange(1, 64);
     intSwapSize->setRange(1, 64);
 
 
     KisAcyclicSignalConnector *swapSizeConnector = new KisAcyclicSignalConnector(this);
 
     swapSizeConnector->connectForwardInt(sliderSwapSize, SIGNAL(valueChanged(int)),
                                          intSwapSize, SLOT(setValue(int)));
 
     swapSizeConnector->connectBackwardInt(intSwapSize, SIGNAL(valueChanged(int)),
                                           sliderSwapSize, SLOT(setValue(int)));
 
     lblSwapFileLocation->setText(cfg.swapDir());
     connect(bnSwapFile, SIGNAL(clicked()), SLOT(selectSwapDir()));
 
     sliderThreadsLimit->setRange(1, QThread::idealThreadCount());
     sliderFrameClonesLimit->setRange(1, QThread::idealThreadCount());
     sliderFpsLimit->setRange(20, 100);
     sliderFpsLimit->setSuffix(i18n(" fps"));
 
     connect(sliderThreadsLimit, SIGNAL(valueChanged(int)), SLOT(slotThreadsLimitChanged(int)));
     connect(sliderFrameClonesLimit, SIGNAL(valueChanged(int)), SLOT(slotFrameClonesLimitChanged(int)));
 
     load(false);
 }
 
 PerformanceTab::~PerformanceTab()
 {
     qDeleteAll(m_syncs);
 }
 
 void PerformanceTab::load(bool requestDefault)
 {
     KisImageConfig cfg;
 
     sliderMemoryLimit->setValue(cfg.memoryHardLimitPercent(requestDefault));
     sliderPoolLimit->setValue(cfg.memoryPoolLimitPercent(requestDefault));
     sliderUndoLimit->setValue(cfg.memorySoftLimitPercent(requestDefault));
 
     chkPerformanceLogging->setChecked(cfg.enablePerfLog(requestDefault));
     chkProgressReporting->setChecked(cfg.enableProgressReporting(requestDefault));
 
     sliderSwapSize->setValue(cfg.maxSwapSize(requestDefault) / 1024);
     lblSwapFileLocation->setText(cfg.swapDir(requestDefault));
 
     m_lastUsedThreadsLimit = cfg.maxNumberOfThreads(requestDefault);
     m_lastUsedClonesLimit = cfg.frameRenderingClones(requestDefault);
 
     sliderThreadsLimit->setValue(m_lastUsedThreadsLimit);
     sliderFrameClonesLimit->setValue(m_lastUsedClonesLimit);
 
     sliderFpsLimit->setValue(cfg.fpsLimit(requestDefault));
 
     {
         KisConfig cfg2;
         chkOpenGLFramerateLogging->setChecked(cfg2.enableOpenGLFramerateLogging(requestDefault));
         chkBrushSpeedLogging->setChecked(cfg2.enableBrushSpeedLogging(requestDefault));
         chkDisableVectorOptimizations->setChecked(cfg2.enableAmdVectorizationWorkaround(requestDefault));
     }
 }
 
 void PerformanceTab::save()
 {
     KisImageConfig cfg;
 
     cfg.setMemoryHardLimitPercent(sliderMemoryLimit->value());
     cfg.setMemorySoftLimitPercent(sliderUndoLimit->value());
     cfg.setMemoryPoolLimitPercent(sliderPoolLimit->value());
 
     cfg.setEnablePerfLog(chkPerformanceLogging->isChecked());
     cfg.setEnableProgressReporting(chkProgressReporting->isChecked());
 
     cfg.setMaxSwapSize(sliderSwapSize->value() * 1024);
 
     cfg.setSwapDir(lblSwapFileLocation->text());
 
     cfg.setMaxNumberOfThreads(sliderThreadsLimit->value());
     cfg.setFrameRenderingClones(sliderFrameClonesLimit->value());
     cfg.setFpsLimit(sliderFpsLimit->value());
 
     {
         KisConfig cfg2;
         cfg2.setEnableOpenGLFramerateLogging(chkOpenGLFramerateLogging->isChecked());
         cfg2.setEnableBrushSpeedLogging(chkBrushSpeedLogging->isChecked());
         cfg2.setEnableAmdVectorizationWorkaround(chkDisableVectorOptimizations->isChecked());
     }
 }
 
 void PerformanceTab::selectSwapDir()
 {
     KisImageConfig cfg;
     QString swapDir = cfg.swapDir();
     swapDir = QFileDialog::getExistingDirectory(0, i18nc("@title:window", "Select a swap directory"), swapDir);
     if (swapDir.isEmpty()) {
         return;
     }
     lblSwapFileLocation->setText(swapDir);
 }
 
 void PerformanceTab::slotThreadsLimitChanged(int value)
 {
     KisSignalsBlocker b(sliderFrameClonesLimit);
     sliderFrameClonesLimit->setValue(qMin(m_lastUsedClonesLimit, value));
     m_lastUsedThreadsLimit = value;
 }
 
 void PerformanceTab::slotFrameClonesLimitChanged(int value)
 {
     KisSignalsBlocker b(sliderThreadsLimit);
     sliderThreadsLimit->setValue(qMax(m_lastUsedThreadsLimit, value));
     m_lastUsedClonesLimit = value;
 }
 
 //---------------------------------------------------------------------------------------------------
 
 #include "KoColor.h"
 
 DisplaySettingsTab::DisplaySettingsTab(QWidget *parent, const char *name)
     : WdgDisplaySettings(parent, name)
 {
     KisConfig cfg;
 
     const QString rendererOpenGLText = i18nc("canvas renderer", "OpenGL");
     const QString rendererAngleText = i18nc("canvas renderer", "Direct3D 11 via ANGLE");
 #ifdef Q_OS_WIN
     cmbRenderer->clear();
     QString qtPreferredRendererText;
     if (KisOpenGL::getQtPreferredOpenGLRenderer() == KisOpenGL::RendererAngle) {
         qtPreferredRendererText = rendererAngleText;
     } else {
         qtPreferredRendererText = rendererOpenGLText;
     }
     cmbRenderer->addItem(i18nc("canvas renderer", "Auto (%1)", qtPreferredRendererText), KisOpenGL::RendererAuto);
     cmbRenderer->setCurrentIndex(0);
     if (KisOpenGL::getSupportedOpenGLRenderers() & KisOpenGL::RendererDesktopGL) {
         cmbRenderer->addItem(rendererOpenGLText, KisOpenGL::RendererDesktopGL);
         if (KisOpenGL::getNextUserOpenGLRendererConfig() == KisOpenGL::RendererDesktopGL) {
             cmbRenderer->setCurrentIndex(cmbRenderer->count() - 1);
         }
     }
     if (KisOpenGL::getSupportedOpenGLRenderers() & KisOpenGL::RendererAngle) {
         cmbRenderer->addItem(rendererAngleText, KisOpenGL::RendererAngle);
         if (KisOpenGL::getNextUserOpenGLRendererConfig() == KisOpenGL::RendererAngle) {
             cmbRenderer->setCurrentIndex(cmbRenderer->count() - 1);
         }
     }
 #else
     lblRenderer->setEnabled(false);
     cmbRenderer->setEnabled(false);
     cmbRenderer->clear();
     cmbRenderer->addItem(rendererOpenGLText);
     cmbRenderer->setCurrentIndex(0);
 #endif
 
 #ifdef Q_OS_WIN
     if (!(KisOpenGL::getSupportedOpenGLRenderers() &
             (KisOpenGL::RendererDesktopGL | KisOpenGL::RendererAngle))) {
 #else
     if (!KisOpenGL::hasOpenGL()) {
 #endif
         grpOpenGL->setEnabled(false);
         grpOpenGL->setChecked(false);
         chkUseTextureBuffer->setEnabled(false);
         chkDisableVsync->setEnabled(false);
         cmbFilterMode->setEnabled(false);
     } else {
         grpOpenGL->setEnabled(true);
         grpOpenGL->setChecked(cfg.useOpenGL());
         chkUseTextureBuffer->setEnabled(cfg.useOpenGL());
         chkUseTextureBuffer->setChecked(cfg.useOpenGLTextureBuffer());
         chkDisableVsync->setVisible(cfg.showAdvancedOpenGLSettings());
         chkDisableVsync->setEnabled(cfg.useOpenGL());
         chkDisableVsync->setChecked(cfg.disableVSync());
         cmbFilterMode->setEnabled(cfg.useOpenGL());
         cmbFilterMode->setCurrentIndex(cfg.openGLFilteringMode());
         // Don't show the high quality filtering mode if it's not available
         if (!KisOpenGL::supportsLoD()) {
             cmbFilterMode->removeItem(3);
         }
     }
 
     const QStringList openglWarnings = KisOpenGL::getOpenGLWarnings();
     if (openglWarnings.isEmpty()) {
         lblOpenGLWarnings->setVisible(false);
     } else {
         QString text("<span style=\"color: yellow;\">&#x26A0;</span> ");
         text.append(i18n("Warning(s):"));
         text.append("<ul>");
         Q_FOREACH (const QString &warning, openglWarnings) {
             text.append("<li>");
             text.append(warning.toHtmlEscaped());
             text.append("</li>");
         }
         text.append("</ul>");
         lblOpenGLWarnings->setText(text);
         lblOpenGLWarnings->setVisible(true);
     }
 
     if (qApp->applicationName() == "kritasketch" || qApp->applicationName() == "kritagemini") {
        grpOpenGL->setVisible(false);
        grpOpenGL->setMaximumHeight(0);
     }
 
     KoColor c;
     c.fromQColor(cfg.selectionOverlayMaskColor());
     c.setOpacity(1.0);
     btnSelectionOverlayColor->setColor(c);
     sldSelectionOverlayOpacity->setRange(0.0, 1.0, 2);
     sldSelectionOverlayOpacity->setSingleStep(0.05);
     sldSelectionOverlayOpacity->setValue(cfg.selectionOverlayMaskColor().alphaF());
 
     intCheckSize->setValue(cfg.checkSize());
     chkMoving->setChecked(cfg.scrollCheckers());
     KoColor ck1(KoColorSpaceRegistry::instance()->rgb8());
     ck1.fromQColor(cfg.checkersColor1());
     colorChecks1->setColor(ck1);
     KoColor ck2(KoColorSpaceRegistry::instance()->rgb8());
     ck2.fromQColor(cfg.checkersColor2());
     colorChecks2->setColor(ck2);
     KoColor cb(KoColorSpaceRegistry::instance()->rgb8());
     cb.fromQColor(cfg.canvasBorderColor());
     canvasBorder->setColor(cb);
     hideScrollbars->setChecked(cfg.hideScrollbars());
     chkCurveAntialiasing->setChecked(cfg.antialiasCurves());
     chkSelectionOutlineAntialiasing->setChecked(cfg.antialiasSelectionOutline());
     chkChannelsAsColor->setChecked(cfg.showSingleChannelAsColor());
     chkHidePopups->setChecked(cfg.hidePopups());
 
     connect(grpOpenGL, SIGNAL(toggled(bool)), SLOT(slotUseOpenGLToggled(bool)));
 
     KoColor gridColor(KoColorSpaceRegistry::instance()->rgb8());
     gridColor.fromQColor(cfg.getPixelGridColor());
     pixelGridColorButton->setColor(gridColor);
     pixelGridDrawingThresholdBox->setValue(cfg.getPixelGridDrawingThreshold() * 100);
 }
 
 void DisplaySettingsTab::setDefault()
 {
     KisConfig cfg;
     cmbRenderer->setCurrentIndex(0);
 #ifdef Q_OS_WIN
     if (!(KisOpenGL::getSupportedOpenGLRenderers() &
             (KisOpenGL::RendererDesktopGL | KisOpenGL::RendererAngle))) {
 #else
     if (!KisOpenGL::hasOpenGL()) {
 #endif
         grpOpenGL->setEnabled(false);
         grpOpenGL->setChecked(false);
         chkUseTextureBuffer->setEnabled(false);
         chkDisableVsync->setEnabled(false);
         cmbFilterMode->setEnabled(false);
     }
     else {
         grpOpenGL->setEnabled(true);
         grpOpenGL->setChecked(cfg.useOpenGL(true));
         chkUseTextureBuffer->setChecked(cfg.useOpenGLTextureBuffer(true));
         chkUseTextureBuffer->setEnabled(true);
         chkDisableVsync->setEnabled(true);
         chkDisableVsync->setChecked(cfg.disableVSync(true));
         cmbFilterMode->setEnabled(true);
         cmbFilterMode->setCurrentIndex(cfg.openGLFilteringMode(true));
     }
 
     chkMoving->setChecked(cfg.scrollCheckers(true));
     intCheckSize->setValue(cfg.checkSize(true));
     KoColor ck1(KoColorSpaceRegistry::instance()->rgb8());
     ck1.fromQColor(cfg.checkersColor1(true));
     colorChecks1->setColor(ck1);
     KoColor ck2(KoColorSpaceRegistry::instance()->rgb8());
     ck2.fromQColor(cfg.checkersColor2(true));
     colorChecks2->setColor(ck2);
     KoColor cvb(KoColorSpaceRegistry::instance()->rgb8());
     cvb.fromQColor(cfg.canvasBorderColor(true));
     canvasBorder->setColor(cvb);
     hideScrollbars->setChecked(cfg.hideScrollbars(true));
     chkCurveAntialiasing->setChecked(cfg.antialiasCurves(true));
     chkSelectionOutlineAntialiasing->setChecked(cfg.antialiasSelectionOutline(true));
     chkChannelsAsColor->setChecked(cfg.showSingleChannelAsColor(true));
     chkHidePopups->setChecked(cfg.hidePopups(true));
 
     KoColor gridColor(KoColorSpaceRegistry::instance()->rgb8());
     gridColor.fromQColor(cfg.getPixelGridColor(true));
     pixelGridColorButton->setColor(gridColor);
     pixelGridDrawingThresholdBox->setValue(cfg.getPixelGridDrawingThreshold(true) * 100);
 }
 
 void DisplaySettingsTab::slotUseOpenGLToggled(bool isChecked)
 {
     chkUseTextureBuffer->setEnabled(isChecked);
     chkDisableVsync->setEnabled(isChecked);
     cmbFilterMode->setEnabled(isChecked);
 }
 
 //---------------------------------------------------------------------------------------------------
 FullscreenSettingsTab::FullscreenSettingsTab(QWidget* parent) : WdgFullscreenSettingsBase(parent)
 {
     KisConfig cfg;
 
     chkDockers->setChecked(cfg.hideDockersFullscreen());
     chkMenu->setChecked(cfg.hideMenuFullscreen());
     chkScrollbars->setChecked(cfg.hideScrollbarsFullscreen());
     chkStatusbar->setChecked(cfg.hideStatusbarFullscreen());
     chkTitlebar->setChecked(cfg.hideTitlebarFullscreen());
     chkToolbar->setChecked(cfg.hideToolbarFullscreen());
 
 }
 
 void FullscreenSettingsTab::setDefault()
 {
     KisConfig cfg;
     chkDockers->setChecked(cfg.hideDockersFullscreen(true));
     chkMenu->setChecked(cfg.hideMenuFullscreen(true));
     chkScrollbars->setChecked(cfg.hideScrollbarsFullscreen(true));
     chkStatusbar->setChecked(cfg.hideStatusbarFullscreen(true));
     chkTitlebar->setChecked(cfg.hideTitlebarFullscreen(true));
     chkToolbar->setChecked(cfg.hideToolbarFullscreen(true));
 }
 
 
 //---------------------------------------------------------------------------------------------------
 
 KisDlgPreferences::KisDlgPreferences(QWidget* parent, const char* name)
     : KPageDialog(parent)
 {
     Q_UNUSED(name);
     setWindowTitle(i18n("Configure Krita"));
     setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel | QDialogButtonBox::RestoreDefaults);
     button(QDialogButtonBox::Ok)->setDefault(true);
 
     setFaceType(KPageDialog::Tree);
 
     // General
     KoVBox *vbox = new KoVBox();
     KPageWidgetItem *page = new KPageWidgetItem(vbox, i18n("General"));
     page->setObjectName("general");
     page->setHeader(i18n("General"));
     page->setIcon(KisIconUtils::loadIcon("go-home"));
     addPage(page);
     m_general = new GeneralTab(vbox);
 
     // Shortcuts
     vbox = new KoVBox();
     page = new KPageWidgetItem(vbox, i18n("Keyboard Shortcuts"));
     page->setObjectName("shortcuts");
     page->setHeader(i18n("Shortcuts"));
     page->setIcon(KisIconUtils::loadIcon("document-export"));
     addPage(page);
     m_shortcutSettings = new ShortcutSettingsTab(vbox);
     connect(this, SIGNAL(accepted()), m_shortcutSettings, SLOT(saveChanges()));
     connect(this, SIGNAL(rejected()), m_shortcutSettings, SLOT(cancelChanges()));
 
     // Canvas input settings
     m_inputConfiguration = new KisInputConfigurationPage();
     page = addPage(m_inputConfiguration, i18n("Canvas Input Settings"));
     page->setHeader(i18n("Canvas Input"));
     page->setObjectName("canvasinput");
     page->setIcon(KisIconUtils::loadIcon("configure"));
 
     // Display
     vbox = new KoVBox();
     page = new KPageWidgetItem(vbox, i18n("Display"));
     page->setObjectName("display");
     page->setHeader(i18n("Display"));
     page->setIcon(KisIconUtils::loadIcon("preferences-desktop-display"));
     addPage(page);
     m_displaySettings = new DisplaySettingsTab(vbox);
 
     // Color
     vbox = new KoVBox();
     page = new KPageWidgetItem(vbox, i18n("Color Management"));
     page->setObjectName("colormanagement");
     page->setHeader(i18n("Color"));
     page->setIcon(KisIconUtils::loadIcon("preferences-desktop-color"));
     addPage(page);
     m_colorSettings = new ColorSettingsTab(vbox);
 
     // Performance
     vbox = new KoVBox();
     page = new KPageWidgetItem(vbox, i18n("Performance"));
     page->setObjectName("performance");
     page->setHeader(i18n("Performance"));
     page->setIcon(KisIconUtils::loadIcon("applications-system"));
     addPage(page);
     m_performanceSettings = new PerformanceTab(vbox);
 
     // Tablet
     vbox = new KoVBox();
     page = new KPageWidgetItem(vbox, i18n("Tablet settings"));
     page->setObjectName("tablet");
     page->setHeader(i18n("Tablet"));
     page->setIcon(KisIconUtils::loadIcon("document-edit"));
     addPage(page);
     m_tabletSettings = new TabletSettingsTab(vbox);
 
     // full-screen mode
     vbox = new KoVBox();
     page = new KPageWidgetItem(vbox, i18n("Canvas-only settings"));
     page->setObjectName("canvasonly");
     page->setHeader(i18n("Canvas-only"));
     page->setIcon(KisIconUtils::loadIcon("folder-pictures"));
     addPage(page);
     m_fullscreenSettings = new FullscreenSettingsTab(vbox);
 
     // Author profiles
     m_authorPage = new KoConfigAuthorPage();
     page = addPage(m_authorPage, i18nc("@title:tab Author page", "Author" ));
     page->setObjectName("author");
     page->setHeader(i18n("Author"));
     page->setIcon(KisIconUtils::loadIcon("im-user"));
 
 
     QPushButton *restoreDefaultsButton = button(QDialogButtonBox::RestoreDefaults);
     restoreDefaultsButton->setText("Restore Defaults");
 
     connect(this, SIGNAL(accepted()), m_inputConfiguration, SLOT(saveChanges()));
     connect(this, SIGNAL(rejected()), m_inputConfiguration, SLOT(revertChanges()));
 
     KisPreferenceSetRegistry *preferenceSetRegistry = KisPreferenceSetRegistry::instance();
     Q_FOREACH (KisAbstractPreferenceSetFactory *preferenceSetFactory, preferenceSetRegistry->values()) {
         KisPreferenceSet* preferenceSet = preferenceSetFactory->createPreferenceSet();
         vbox = new KoVBox();
         page = new KPageWidgetItem(vbox, preferenceSet->name());
         page->setHeader(preferenceSet->header());
         page->setIcon(preferenceSet->icon());
         addPage(page);
         preferenceSet->setParent(vbox);
         preferenceSet->loadPreferences();
 
         connect(restoreDefaultsButton, SIGNAL(clicked(bool)), preferenceSet, SLOT(loadDefaultPreferences()), Qt::UniqueConnection);
         connect(this, SIGNAL(accepted()), preferenceSet, SLOT(savePreferences()), Qt::UniqueConnection);
     }
 
 
     connect(restoreDefaultsButton, SIGNAL(clicked(bool)), this, SLOT(slotDefault()));
 
 }
 
 KisDlgPreferences::~KisDlgPreferences()
 {
 }
 
 void KisDlgPreferences::slotDefault()
 {
     if (currentPage()->objectName() == "general") {
         m_general->setDefault();
     }
     else if (currentPage()->objectName() == "shortcuts") {
         m_shortcutSettings->setDefault();
     }
     else if (currentPage()->objectName() == "display") {
         m_displaySettings->setDefault();
     }
     else if (currentPage()->objectName() == "colormanagement") {
         m_colorSettings->setDefault();
     }
     else if (currentPage()->objectName() == "performance") {
         m_performanceSettings->load(true);
     }
     else if (currentPage()->objectName() == "tablet") {
         m_tabletSettings->setDefault();
     }
     else if (currentPage()->objectName() == "canvasonly") {
         m_fullscreenSettings->setDefault();
     }
     else if (currentPage()->objectName() == "canvasinput") {
         m_inputConfiguration->setDefaults();
     }
 }
 
 bool KisDlgPreferences::editPreferences()
 {
     KisDlgPreferences* dialog;
 
     dialog = new KisDlgPreferences();
     bool baccept = (dialog->exec() == Accepted);
     if (baccept) {
         // General settings
         KisConfig cfg;
         cfg.setNewCursorStyle(dialog->m_general->cursorStyle());
         cfg.setNewOutlineStyle(dialog->m_general->outlineStyle());
         cfg.setShowRootLayer(dialog->m_general->showRootLayer());
         cfg.setShowOutlineWhilePainting(dialog->m_general->showOutlineWhilePainting());
         cfg.setHideSplashScreen(dialog->m_general->hideSplashScreen());
+        cfg.setSessionOnStartup(dialog->m_general->sessionOnStartup());
         cfg.setCalculateAnimationCacheInBackground(dialog->m_general->calculateAnimationCacheInBackground());
 
         KConfigGroup group = KSharedConfig::openConfig()->group("File Dialogs");
         group.writeEntry("DontUseNativeFileDialog", !dialog->m_general->m_chkNativeFileDialog->isChecked());
 
         cfg.writeEntry<int>("maximumBrushSize", dialog->m_general->intMaxBrushSize->value());
 
         cfg.writeEntry<int>("mdi_viewmode", dialog->m_general->mdiMode());
         cfg.setMDIBackgroundColor(dialog->m_general->m_mdiColor->color().toQColor());
         cfg.setMDIBackgroundImage(dialog->m_general->m_backgroundimage->text());
         cfg.setAutoSaveInterval(dialog->m_general->autoSaveInterval());
         cfg.setBackupFile(dialog->m_general->m_backupFileCheckBox->isChecked());
         cfg.setShowCanvasMessages(dialog->m_general->showCanvasMessages());
         cfg.setCompressKra(dialog->m_general->compressKra());
 
         const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
         QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
         kritarc.setValue("EnableHiDPI", dialog->m_general->m_chkHiDPI->isChecked());
         kritarc.setValue("EnableSingleApplication", dialog->m_general->m_chkSingleApplication->isChecked());
 
         cfg.setToolOptionsInDocker(dialog->m_general->toolOptionsInDocker());
         cfg.setKineticScrollingGesture(dialog->m_general->kineticScrollingGesture());
         cfg.setKineticScrollingSensitivity(dialog->m_general->kineticScrollingSensitivity());
         cfg.setKineticScrollingScrollbar(dialog->m_general->kineticScrollingScrollbar());
         cfg.setSwitchSelectionCtrlAlt(dialog->m_general->switchSelectionCtrlAlt());
         cfg.setDisableTouchOnCanvas(!dialog->m_general->chkEnableTouch->isChecked());
         cfg.setConvertToImageColorspaceOnImport(dialog->m_general->convertToImageColorspaceOnImport());
         cfg.setUndoStackLimit(dialog->m_general->undoStackSize());
         cfg.setFavoritePresets(dialog->m_general->favoritePresets());
 
         // Color settings
         cfg.setUseSystemMonitorProfile(dialog->m_colorSettings->m_page->chkUseSystemMonitorProfile->isChecked());
         for (int i = 0; i < QApplication::desktop()->screenCount(); ++i) {
             if (dialog->m_colorSettings->m_page->chkUseSystemMonitorProfile->isChecked()) {
                 int currentIndex = dialog->m_colorSettings->m_monitorProfileWidgets[i]->currentIndex();
                 QString monitorid = dialog->m_colorSettings->m_monitorProfileWidgets[i]->itemData(currentIndex).toString();
                 cfg.setMonitorForScreen(i, monitorid);
             }
             else {
                 cfg.setMonitorProfile(i,
                                       dialog->m_colorSettings->m_monitorProfileWidgets[i]->itemHighlighted(),
                                       dialog->m_colorSettings->m_page->chkUseSystemMonitorProfile->isChecked());
             }
         }
         cfg.setWorkingColorSpace(dialog->m_colorSettings->m_page->cmbWorkingColorSpace->currentItem().id());
 
         KisImageConfig cfgImage;
         cfgImage.setDefaultProofingConfig(dialog->m_colorSettings->m_page->proofingSpaceSelector->currentColorSpace(),
                                           dialog->m_colorSettings->m_page->cmbProofingIntent->currentIndex(),
                                           dialog->m_colorSettings->m_page->ckbProofBlackPoint->isChecked(),
                                           dialog->m_colorSettings->m_page->gamutAlarm->color(),
                                           (double)dialog->m_colorSettings->m_page->sldAdaptationState->value()/20);
         cfg.setUseBlackPointCompensation(dialog->m_colorSettings->m_page->chkBlackpoint->isChecked());
         cfg.setAllowLCMSOptimization(dialog->m_colorSettings->m_page->chkAllowLCMSOptimization->isChecked());
         cfg.setPasteBehaviour(dialog->m_colorSettings->m_pasteBehaviourGroup.checkedId());
         cfg.setRenderIntent(dialog->m_colorSettings->m_page->cmbMonitorIntent->currentIndex());
 
         // Tablet settings
         cfg.setPressureTabletCurve( dialog->m_tabletSettings->m_page->pressureCurve->curve().toString() );
 #ifdef Q_OS_WIN
         if (KisTabletSupportWin8::isAvailable()) {
             cfg.setUseWin8PointerInput(dialog->m_tabletSettings->m_page->radioWin8PointerInput->isChecked());
         }
 #endif
 
         dialog->m_performanceSettings->save();
 
 #ifdef Q_OS_WIN
         {
             KisOpenGL::OpenGLRenderer renderer = static_cast<KisOpenGL::OpenGLRenderer>(
                     dialog->m_displaySettings->cmbRenderer->itemData(
                             dialog->m_displaySettings->cmbRenderer->currentIndex()).toInt());
             KisOpenGL::setNextUserOpenGLRendererConfig(renderer);
             const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
             QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
             kritarc.setValue("OpenGLRenderer", KisOpenGL::convertOpenGLRendererToConfig(renderer));
         }
 #endif
         if (!cfg.useOpenGL() && dialog->m_displaySettings->grpOpenGL->isChecked())
             cfg.setCanvasState("TRY_OPENGL");
         cfg.setUseOpenGL(dialog->m_displaySettings->grpOpenGL->isChecked());
         cfg.setUseOpenGLTextureBuffer(dialog->m_displaySettings->chkUseTextureBuffer->isChecked());
         cfg.setOpenGLFilteringMode(dialog->m_displaySettings->cmbFilterMode->currentIndex());
         cfg.setDisableVSync(dialog->m_displaySettings->chkDisableVsync->isChecked());
 
         cfg.setCheckSize(dialog->m_displaySettings->intCheckSize->value());
         cfg.setScrollingCheckers(dialog->m_displaySettings->chkMoving->isChecked());
         cfg.setCheckersColor1(dialog->m_displaySettings->colorChecks1->color().toQColor());
         cfg.setCheckersColor2(dialog->m_displaySettings->colorChecks2->color().toQColor());
         cfg.setCanvasBorderColor(dialog->m_displaySettings->canvasBorder->color().toQColor());
         cfg.setHideScrollbars(dialog->m_displaySettings->hideScrollbars->isChecked());
         KoColor c = dialog->m_displaySettings->btnSelectionOverlayColor->color();
         c.setOpacity(dialog->m_displaySettings->sldSelectionOverlayOpacity->value());
         cfg.setSelectionOverlayMaskColor(c.toQColor());
         cfg.setAntialiasCurves(dialog->m_displaySettings->chkCurveAntialiasing->isChecked());
         cfg.setAntialiasSelectionOutline(dialog->m_displaySettings->chkSelectionOutlineAntialiasing->isChecked());
         cfg.setShowSingleChannelAsColor(dialog->m_displaySettings->chkChannelsAsColor->isChecked());
         cfg.setHidePopups(dialog->m_displaySettings->chkHidePopups->isChecked());
 
         cfg.setHideDockersFullscreen(dialog->m_fullscreenSettings->chkDockers->checkState());
         cfg.setHideMenuFullscreen(dialog->m_fullscreenSettings->chkMenu->checkState());
         cfg.setHideScrollbarsFullscreen(dialog->m_fullscreenSettings->chkScrollbars->checkState());
         cfg.setHideStatusbarFullscreen(dialog->m_fullscreenSettings->chkStatusbar->checkState());
         cfg.setHideTitlebarFullscreen(dialog->m_fullscreenSettings->chkTitlebar->checkState());
         cfg.setHideToolbarFullscreen(dialog->m_fullscreenSettings->chkToolbar->checkState());
 
         cfg.setCursorMainColor(dialog->m_general->cursorColorBtutton->color().toQColor());
         cfg.setPixelGridColor(dialog->m_displaySettings->pixelGridColorButton->color().toQColor());
         cfg.setPixelGridDrawingThreshold(dialog->m_displaySettings->pixelGridDrawingThresholdBox->value() / 100);
 
         dialog->m_authorPage->apply();
 
     }
     delete dialog;
     return baccept;
 }
 
diff --git a/libs/ui/dialogs/kis_dlg_preferences.h b/libs/ui/dialogs/kis_dlg_preferences.h
index 33eee52213..37bba763de 100644
--- a/libs/ui/dialogs/kis_dlg_preferences.h
+++ b/libs/ui/dialogs/kis_dlg_preferences.h
@@ -1,341 +1,345 @@
 /*
  *  preferencesdlg.h - part of KImageShop^WKrita
  *
  *  Copyright (c) 1999 Michael Koch <koch@kde.org>
  *  Copyright (c) 2003-2011 Boudewijn Rempt <boud@valdyas.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifndef _KIS_DLG_PREFERENCES_H_
 #define _KIS_DLG_PREFERENCES_H_
 
 #include <QWidget>
 
 #include <kpagedialog.h>
+#include <kis_config.h>
 
 #include "kis_global.h"
 #include <squeezedcombobox.h>
 
 #include "ui_wdggeneralsettings.h"
 #include "ui_wdgdisplaysettings.h"
 #include "ui_wdgcolorsettings.h"
 #include "ui_wdgtabletsettings.h"
 #include "ui_wdgperformancesettings.h"
 #include "ui_wdgfullscreensettings.h"
 #include "KisShortcutsDialog.h"
 
 class KoID;
 class KisInputConfigurationPage;
 class KoConfigAuthorPage;
 
 /**
  *  "General"-tab for preferences dialog
  */
 
 class WdgGeneralSettings : public QWidget, public Ui::WdgGeneralSettings
 {
     Q_OBJECT
 
 public:
     WdgGeneralSettings(QWidget *parent, const char *name) : QWidget(parent) {
         setObjectName(name);
         setupUi(this);
         chkShowRootLayer->setVisible(false);
     }
 };
 
 class GeneralTab : public WdgGeneralSettings
 {
     Q_OBJECT
 
 public:
 
     GeneralTab(QWidget *parent = 0, const char *name = 0);
 
     CursorStyle cursorStyle();
     OutlineStyle outlineStyle();
 
+    KisConfig::SessionOnStartup sessionOnStartup() const;
+
     bool showRootLayer();
     int autoSaveInterval();
     void setDefault();
     int undoStackSize();
     bool showOutlineWhilePainting();
     bool hideSplashScreen();
+
     int mdiMode();
     int favoritePresets();
     bool showCanvasMessages();
     bool compressKra();
     bool toolOptionsInDocker();
     int kineticScrollingGesture();
     int kineticScrollingSensitivity();
     bool kineticScrollingScrollbar();
     bool switchSelectionCtrlAlt();
     bool convertToImageColorspaceOnImport();
 
     bool calculateAnimationCacheInBackground();
 
 private Q_SLOTS:
     void getBackgroundImage();
     void clearBackgroundImage();
 
 };
 
 
 
 /**
  *  "Shortcuts" tab for preferences dialog
  */
 
 class WdgShortcutSettings : public KisShortcutsDialog
 {
     Q_OBJECT
 
 public:
     WdgShortcutSettings(QWidget *parent)
         : KisShortcutsDialog(KisShortcutsEditor::AllActions,
                              KisShortcutsEditor::LetterShortcutsAllowed,
                              parent)
     { }
 };
 
 class KisActionsSnapshot;
 
 class ShortcutSettingsTab : public QWidget
 {
     Q_OBJECT
 
 public:
 
     ShortcutSettingsTab(QWidget *parent = 0, const char *name = 0);
     ~ShortcutSettingsTab() override;
 
 public:
     void setDefault();
     WdgShortcutSettings  *m_page;
     QScopedPointer<KisActionsSnapshot> m_snapshot;
 
 
 public Q_SLOTS:
     void saveChanges();
     void cancelChanges();
 };
 
 
 
 /**
  *  "Color" tab for preferences dialog
  */
 
 class WdgColorSettings : public QWidget, public Ui::WdgColorSettings
 {
     Q_OBJECT
 
 public:
     WdgColorSettings(QWidget *parent) : QWidget(parent) {
         setupUi(this);
     }
 };
 
 class ColorSettingsTab : public QWidget
 {
     Q_OBJECT
 
 public:
 
     ColorSettingsTab(QWidget *parent = 0, const char  *name = 0);
 
 private Q_SLOTS:
 
     void refillMonitorProfiles(const KoID & s);
     void installProfile();
     void toggleAllowMonitorProfileSelection(bool useSystemProfile);
 
 public:
     void setDefault();
     WdgColorSettings  *m_page;
     QButtonGroup m_pasteBehaviourGroup;
     QList<QLabel*> m_monitorProfileLabels;
     QList<SqueezedComboBox*> m_monitorProfileWidgets;
 };
 
 //=======================
 
 class WdgTabletSettings : public QWidget, public Ui::WdgTabletSettings {
 
     Q_OBJECT
 
 public:
     WdgTabletSettings(QWidget *parent) : QWidget(parent) {
         setupUi(this);
     }
 
 };
 
 class TabletSettingsTab : public QWidget {
     Q_OBJECT
 public:
     TabletSettingsTab(QWidget *parent = 0, const char  *name = 0);
 
 public:
     void setDefault();
     WdgTabletSettings  *m_page;
 
 
 };
 
 //=======================
 
 /**
   * "Performance"-tab for preferences dialog
  */
 
 class SliderAndSpinBoxSync;
 
 class WdgPerformanceSettings : public QWidget, public Ui::WdgPerformanceSettings
 {
     Q_OBJECT
 
 public:
     WdgPerformanceSettings(QWidget *parent, const char *name) : QWidget(parent) {
         setObjectName(name); setupUi(this);
     }
 };
 
 class PerformanceTab : public WdgPerformanceSettings
 {
     Q_OBJECT
 
 public:
     PerformanceTab(QWidget *parent = 0, const char *name = 0);
 
     ~PerformanceTab() override;
 
     void load(bool requestDefault);
     void save();
 
 private Q_SLOTS:
 
     void selectSwapDir();
 
     void slotThreadsLimitChanged(int value);
     void slotFrameClonesLimitChanged(int value);
 
 private:
     int realTilesRAM();
 
 private:
     QVector<SliderAndSpinBoxSync*> m_syncs;
     int m_lastUsedThreadsLimit;
     int m_lastUsedClonesLimit;
 };
 
 //=======================
 
 class WdgDisplaySettings : public QWidget, public Ui::WdgDisplaySettings
 {
     Q_OBJECT
 
 public:
     WdgDisplaySettings(QWidget *parent, const char *name) : QWidget(parent) {
         setObjectName(name); setupUi(this);
     }
 };
 
 /**
  *  Display settings tab for preferences dialog
  */
 
 
 class DisplaySettingsTab : public WdgDisplaySettings
 {
     Q_OBJECT
 
 public:
     DisplaySettingsTab(QWidget *parent = 0, const char *name = 0);
 
 public:
     void setDefault();
 protected Q_SLOTS:
     void slotUseOpenGLToggled(bool isChecked);
 
 public:
 };
 
 //=======================
 
 /**
  *  Full screen settings tab for preferences dialog
  */
 
 class WdgFullscreenSettingsBase : public QWidget, public Ui::WdgFullscreenSettings
 {
     Q_OBJECT
 
 public:
     WdgFullscreenSettingsBase(QWidget *parent) : QWidget(parent) {
         setupUi(this);
     }
 };
 
 class FullscreenSettingsTab : public WdgFullscreenSettingsBase
 {
     Q_OBJECT
 public:
     FullscreenSettingsTab(QWidget *parent);
 public:
     void setDefault();
 };
 
 
 //=======================
 
 
 /**
  *  Preferences dialog of KImageShop^WKrayon^WKrita
  */
 class KisDlgPreferences : public KPageDialog
 {
     Q_OBJECT
 
 public:
 
     static bool editPreferences();
 
 
 protected:
 
     KisDlgPreferences(QWidget *parent = 0, const char *name = 0);
     ~KisDlgPreferences() override;
 
 protected:
 
     GeneralTab *m_general;
     ShortcutSettingsTab  *m_shortcutSettings;
     ColorSettingsTab *m_colorSettings;
     PerformanceTab *m_performanceSettings;
     DisplaySettingsTab  *m_displaySettings;
     TabletSettingsTab *m_tabletSettings;
     FullscreenSettingsTab *m_fullscreenSettings;
     KisInputConfigurationPage *m_inputConfiguration;
     KoConfigAuthorPage *m_authorPage;
 
 protected Q_SLOTS:
 
     void slotDefault();
 
 };
 
 #endif
diff --git a/libs/ui/forms/wdggeneralsettings.ui b/libs/ui/forms/wdggeneralsettings.ui
index 4f85c6c7f7..fdf037d7d7 100644
--- a/libs/ui/forms/wdggeneralsettings.ui
+++ b/libs/ui/forms/wdggeneralsettings.ui
@@ -1,762 +1,781 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>WdgGeneralSettings</class>
  <widget class="QWidget" name="WdgGeneralSettings">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>759</width>
     <height>468</height>
    </rect>
   </property>
   <property name="sizePolicy">
    <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="minimumSize">
    <size>
     <width>552</width>
     <height>295</height>
    </size>
   </property>
   <property name="layoutDirection">
    <enum>Qt::LeftToRight</enum>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">
     <widget class="QTabWidget" name="tabWidget">
      <property name="currentIndex">
       <number>0</number>
      </property>
      <widget class="QWidget" name="tab">
       <attribute name="title">
        <string>Cursor</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_2">
        <item row="1" column="0">
         <layout class="QFormLayout" name="formLayout_2">
          <property name="horizontalSpacing">
           <number>10</number>
          </property>
          <property name="verticalSpacing">
           <number>10</number>
          </property>
          <property name="leftMargin">
           <number>10</number>
          </property>
          <property name="topMargin">
           <number>10</number>
          </property>
          <property name="rightMargin">
           <number>10</number>
          </property>
          <property name="bottomMargin">
           <number>10</number>
          </property>
          <item row="0" column="0">
           <widget class="QLabel" name="textLabel1">
            <property name="sizePolicy">
             <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
              <horstretch>0</horstretch>
              <verstretch>0</verstretch>
             </sizepolicy>
            </property>
            <property name="text">
             <string>Cursor Shape:</string>
            </property>
            <property name="alignment">
             <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
            </property>
           </widget>
          </item>
          <item row="0" column="1">
           <widget class="QComboBox" name="m_cmbCursorShape"/>
          </item>
          <item row="1" column="0">
           <widget class="QLabel" name="textLabel1_2">
            <property name="sizePolicy">
             <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
              <horstretch>0</horstretch>
              <verstretch>0</verstretch>
             </sizepolicy>
            </property>
            <property name="text">
             <string>Outline Shape:</string>
            </property>
            <property name="alignment">
             <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
            </property>
           </widget>
          </item>
          <item row="1" column="1">
           <widget class="QComboBox" name="m_cmbOutlineShape"/>
          </item>
          <item row="2" column="1">
           <widget class="QCheckBox" name="m_showOutlinePainting">
            <property name="sizePolicy">
             <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
              <horstretch>0</horstretch>
              <verstretch>0</verstretch>
             </sizepolicy>
            </property>
            <property name="minimumSize">
             <size>
              <width>200</width>
              <height>0</height>
             </size>
            </property>
            <property name="text">
             <string>Show brush outline while painting</string>
            </property>
           </widget>
          </item>
          <item row="3" column="0">
           <widget class="QLabel" name="label_11">
            <property name="text">
             <string>Cursor Color:</string>
            </property>
           </widget>
          </item>
          <item row="3" column="1">
           <widget class="KisColorButton" name="cursorColorBtutton">
            <property name="maximumSize">
             <size>
              <width>48</width>
              <height>25</height>
             </size>
            </property>
            <property name="text">
             <string/>
            </property>
           </widget>
          </item>
         </layout>
        </item>
        <item row="2" column="0">
         <spacer name="verticalSpacer_3">
          <property name="orientation">
           <enum>Qt::Vertical</enum>
          </property>
          <property name="sizeHint" stdset="0">
           <size>
            <width>20</width>
            <height>40</height>
           </size>
          </property>
         </spacer>
        </item>
       </layout>
      </widget>
      <widget class="QWidget" name="tab_3">
       <attribute name="title">
        <string>Window</string>
       </attribute>
       <layout class="QFormLayout" name="formLayout">
        <item row="0" column="0">
         <widget class="QLabel" name="label_2">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="text">
           <string>Multiple Document Mode:</string>
          </property>
          <property name="alignment">
           <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
          </property>
         </widget>
        </item>
        <item row="0" column="1">
         <widget class="QComboBox" name="m_cmbMDIType">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="currentIndex">
           <number>1</number>
          </property>
          <item>
           <property name="text">
            <string>Subwindows</string>
           </property>
          </item>
          <item>
           <property name="text">
            <string>Tabs</string>
           </property>
          </item>
         </widget>
        </item>
        <item row="1" column="0">
         <widget class="QLabel" name="label_5">
          <property name="text">
           <string>Background Image (overrides color):</string>
          </property>
         </widget>
        </item>
        <item row="1" column="1">
         <layout class="QHBoxLayout" name="horizontalLayout" stretch="0,0,0">
          <item>
           <widget class="QLabel" name="m_backgroundimage">
            <property name="minimumSize">
             <size>
              <width>200</width>
              <height>0</height>
             </size>
            </property>
            <property name="frameShape">
             <enum>QFrame::StyledPanel</enum>
            </property>
            <property name="frameShadow">
             <enum>QFrame::Sunken</enum>
            </property>
            <property name="text">
             <string/>
            </property>
           </widget>
          </item>
          <item>
           <widget class="QToolButton" name="m_bnFileName">
            <property name="text">
             <string>...</string>
            </property>
           </widget>
          </item>
          <item>
           <widget class="QPushButton" name="clearBgImageButton">
            <property name="sizePolicy">
             <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
              <horstretch>0</horstretch>
              <verstretch>0</verstretch>
             </sizepolicy>
            </property>
            <property name="text">
             <string>Clear</string>
            </property>
           </widget>
          </item>
         </layout>
        </item>
        <item row="2" column="0">
         <widget class="QLabel" name="label_4">
          <property name="text">
           <string>Window Background:</string>
          </property>
          <property name="alignment">
           <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
          </property>
         </widget>
        </item>
        <item row="2" column="1">
         <widget class="KisColorButton" name="m_mdiColor">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="text">
           <string/>
          </property>
         </widget>
        </item>
        <item row="3" column="0">
         <widget class="QLabel" name="label_6">
          <property name="text">
           <string>Don't show contents when moving sub-windows:</string>
          </property>
         </widget>
        </item>
        <item row="3" column="1">
         <widget class="QCheckBox" name="m_chkRubberBand">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="text">
           <string/>
          </property>
         </widget>
        </item>
        <item row="4" column="0">
         <widget class="QLabel" name="label_7">
          <property name="text">
           <string>Show on-canvas popup messages:</string>
          </property>
         </widget>
        </item>
        <item row="4" column="1">
         <widget class="QCheckBox" name="m_chkCanvasMessages">
          <property name="text">
           <string/>
          </property>
         </widget>
        </item>
        <item row="7" column="0" colspan="2">
         <spacer name="verticalSpacer">
          <property name="orientation">
           <enum>Qt::Vertical</enum>
          </property>
          <property name="sizeHint" stdset="0">
           <size>
            <width>20</width>
            <height>40</height>
           </size>
          </property>
         </spacer>
        </item>
        <item row="5" column="1">
         <widget class="QCheckBox" name="m_chkHiDPI">
          <property name="text">
           <string/>
          </property>
         </widget>
        </item>
        <item row="5" column="0">
         <widget class="QLabel" name="label_8">
          <property name="text">
           <string>Enable Hi-DPI support:</string>
          </property>
         </widget>
        </item>
        <item row="6" column="1">
         <widget class="QCheckBox" name="m_chkSingleApplication">
          <property name="text">
           <string/>
          </property>
         </widget>
        </item>
        <item row="6" column="0">
         <widget class="QLabel" name="label_r98">
          <property name="text">
           <string>Allow only one instance of Krita:</string>
          </property>
         </widget>
        </item>
       </layout>
      </widget>
      <widget class="QWidget" name="Tools">
       <attribute name="title">
        <string>Tools</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_4">
        <item row="1" column="1">
         <layout class="QVBoxLayout" name="verticalLayout">
          <property name="spacing">
           <number>10</number>
          </property>
          <property name="leftMargin">
           <number>10</number>
          </property>
          <property name="topMargin">
           <number>10</number>
          </property>
          <property name="rightMargin">
           <number>10</number>
          </property>
          <property name="bottomMargin">
           <number>10</number>
          </property>
          <item>
           <widget class="QGroupBox" name="groupBox_4">
            <property name="title">
             <string>Tool Options Location (needs restart)</string>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_3">
             <item>
              <widget class="QRadioButton" name="m_radioToolOptionsInDocker">
               <property name="text">
                <string>In Doc&amp;ker</string>
               </property>
              </widget>
             </item>
             <item>
              <widget class="QRadioButton" name="m_radioToolOptionsInToolbar">
               <property name="text">
                <string>In Tool&amp;bar</string>
               </property>
               <property name="checked">
                <bool>true</bool>
               </property>
              </widget>
             </item>
            </layout>
           </widget>
          </item>
          <item>
           <widget class="QCheckBox" name="m_chkSwitchSelectionCtrlAlt">
            <property name="text">
             <string>Switch Control/Alt Selection Modifiers</string>
            </property>
           </widget>
          </item>
          <item>
           <widget class="QCheckBox" name="chkEnableTouch">
            <property name="text">
             <string>Enable Touch Painting</string>
            </property>
           </widget>
          </item>
          <item>
           <widget class="QGroupBox" name="groupBoxKineticScrollingSettings">
            <property name="title">
             <string>Kinetic Scrolling (needs restart)</string>
            </property>
            <layout class="QVBoxLayout" name="verticalLayoutKineticScrollingSettings">
             <item>
              <widget class="QComboBox" name="m_cmbKineticScrollingGesture"/>
             </item>
             <item>
              <layout class="QHBoxLayout" name="horizontalLayoutKineticScrollingSensitivity">
               <item>
                <widget class="QLabel" name="labelKineticScrollingSensitivity">
                 <property name="text">
                  <string>Sensitivity (0-100):</string>
                 </property>
                </widget>
               </item>
               <item>
                <widget class="KisIntParseSpinBox" name="m_kineticScrollingSensitivity">
                 <property name="sizePolicy">
                  <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                   <horstretch>0</horstretch>
                   <verstretch>0</verstretch>
                  </sizepolicy>
                 </property>
                 <property name="minimumSize">
                  <size>
                   <width>50</width>
                   <height>0</height>
                  </size>
                 </property>
                 <property name="minimum">
                  <number>0</number>
                 </property>
                 <property name="maximum">
                  <number>100</number>
                 </property>
                 <property name="singleStep">
                  <number>1</number>
                 </property>
                 <property name="value">
                  <number>75</number>
                 </property>
                </widget>
               </item>
              </layout>
             </item>
             <item>
              <widget class="QCheckBox" name="m_chkKineticScrollingScrollbar">
               <property name="text">
                <string>Show Scrollbar</string>
               </property>
              </widget>
             </item>
            </layout>
           </widget>
          </item>
          <item>
           <spacer name="verticalSpacer_2">
            <property name="orientation">
             <enum>Qt::Vertical</enum>
            </property>
            <property name="sizeHint" stdset="0">
             <size>
              <width>20</width>
              <height>40</height>
             </size>
            </property>
           </spacer>
          </item>
         </layout>
        </item>
        <item row="1" column="2">
         <spacer name="horizontalSpacer_6">
          <property name="orientation">
           <enum>Qt::Horizontal</enum>
          </property>
          <property name="sizeHint" stdset="0">
           <size>
            <width>40</width>
            <height>20</height>
           </size>
          </property>
         </spacer>
        </item>
       </layout>
      </widget>
      <widget class="QWidget" name="Miscellaneous">
       <attribute name="title">
        <string>Miscellaneous</string>
       </attribute>
       <layout class="QFormLayout" name="formLayout_3">
-       <item row="0" column="0">
+       <item row="1" column="0">
         <widget class="QCheckBox" name="m_autosaveCheckBox">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="layoutDirection">
           <enum>Qt::RightToLeft</enum>
          </property>
          <property name="text">
           <string>Autosave every:</string>
          </property>
          <property name="checked">
           <bool>true</bool>
          </property>
         </widget>
        </item>
-       <item row="0" column="1">
+       <item row="1" column="1">
         <widget class="KisIntParseSpinBox" name="m_autosaveSpinBox">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="minimumSize">
           <size>
            <width>75</width>
            <height>0</height>
           </size>
          </property>
          <property name="suffix">
           <string> min</string>
          </property>
          <property name="minimum">
           <number>1</number>
          </property>
          <property name="maximum">
           <number>1440</number>
          </property>
          <property name="singleStep">
           <number>5</number>
          </property>
          <property name="value">
           <number>15</number>
          </property>
         </widget>
        </item>
-       <item row="1" column="1">
+       <item row="2" column="1">
         <widget class="QCheckBox" name="m_chkCompressKra">
          <property name="text">
           <string>Compress .kra files more (slows loading/saving)</string>
          </property>
         </widget>
        </item>
-       <item row="3" column="1">
+       <item row="4" column="1">
         <widget class="QCheckBox" name="m_backupFileCheckBox">
          <property name="text">
           <string>Create backup file </string>
          </property>
         </widget>
        </item>
-       <item row="5" column="1">
+       <item row="6" column="1">
         <widget class="QCheckBox" name="m_chkConvertOnImport">
          <property name="text">
           <string>On importing images as layers, convert to the image colorspace</string>
          </property>
         </widget>
        </item>
-       <item row="7" column="0">
+       <item row="8" column="0">
         <widget class="QLabel" name="label">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="text">
           <string>Undo stack size:</string>
          </property>
          <property name="alignment">
           <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
          </property>
         </widget>
        </item>
-       <item row="7" column="1">
+       <item row="8" column="1">
         <widget class="KisIntParseSpinBox" name="m_undoStackSize">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="minimumSize">
           <size>
            <width>75</width>
            <height>0</height>
           </size>
          </property>
          <property name="minimum">
           <number>0</number>
          </property>
          <property name="maximum">
           <number>1000</number>
          </property>
          <property name="singleStep">
           <number>5</number>
          </property>
          <property name="value">
           <number>30</number>
          </property>
         </widget>
        </item>
-       <item row="8" column="0">
+       <item row="9" column="0">
         <widget class="QLabel" name="label_3">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="text">
           <string>Number of Palette Presets</string>
          </property>
          <property name="alignment">
           <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
          </property>
         </widget>
        </item>
-       <item row="8" column="1">
+       <item row="9" column="1">
         <widget class="KisIntParseSpinBox" name="m_favoritePresetsSpinBox">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="minimumSize">
           <size>
            <width>75</width>
            <height>0</height>
           </size>
          </property>
          <property name="minimum">
           <number>10</number>
          </property>
          <property name="maximum">
           <number>30</number>
          </property>
         </widget>
        </item>
-       <item row="9" column="1">
+       <item row="10" column="1">
         <widget class="QCheckBox" name="chkShowRootLayer">
          <property name="text">
           <string>Show root layer</string>
          </property>
         </widget>
        </item>
-       <item row="11" column="1">
+       <item row="12" column="1">
         <widget class="QCheckBox" name="m_hideSplashScreen">
          <property name="text">
           <string>Hide splash screen on startup</string>
          </property>
         </widget>
        </item>
        <item row="13" column="1">
         <widget class="QCheckBox" name="m_chkNativeFileDialog">
          <property name="toolTip">
           <string>Warning: if you enable this setting and the file dialogs do weird stuff, do not report a bug.</string>
          </property>
          <property name="text">
           <string>Enable native file dialogs (warning: may not work correctly on some systems)</string>
          </property>
         </widget>
        </item>
        <item row="15" column="0">
         <widget class="QLabel" name="label_9">
          <property name="text">
           <string>Maximum brush size:</string>
          </property>
         </widget>
        </item>
        <item row="15" column="1">
         <layout class="QHBoxLayout" name="horizontalLayout_2">
          <item>
           <widget class="QSpinBox" name="intMaxBrushSize">
            <property name="sizePolicy">
             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
              <horstretch>0</horstretch>
              <verstretch>0</verstretch>
             </sizepolicy>
            </property>
            <property name="toolTip">
             <string>The maximum diameter of a brush in pixels.</string>
            </property>
            <property name="suffix">
             <string comment="pixel">px</string>
            </property>
            <property name="minimum">
             <number>100</number>
            </property>
            <property name="maximum">
             <number>10000</number>
            </property>
            <property name="value">
             <number>1000</number>
            </property>
           </widget>
          </item>
          <item>
           <widget class="QLabel" name="label_10">
            <property name="text">
             <string>(Needs restart)</string>
            </property>
           </widget>
          </item>
         </layout>
        </item>
+       <item row="16" column="1">
+        <widget class="QCheckBox" name="m_chkCacheAnimatioInBackground">
+         <property name="text">
+          <string>Recalculate animation cache in background</string>
+         </property>
+        </widget>
+       </item>
        <item row="17" column="1">
         <spacer name="verticalSpacer_4">
          <property name="orientation">
           <enum>Qt::Vertical</enum>
          </property>
          <property name="sizeHint" stdset="0">
           <size>
            <width>504</width>
            <height>13</height>
           </size>
          </property>
         </spacer>
        </item>
-       <item row="16" column="1">
-        <widget class="QCheckBox" name="m_chkCacheAnimatioInBackground">
+       <item row="0" column="1">
+        <widget class="QComboBox" name="cmbStartupSession"/>
+       </item>
+       <item row="0" column="0">
+        <widget class="QLabel" name="label_12">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="text">
-          <string>Recalculate animation cache in background</string>
+          <string>When Krita starts</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
          </property>
         </widget>
        </item>
       </layout>
      </widget>
     </widget>
    </item>
   </layout>
  </widget>
  <customwidgets>
   <customwidget>
    <class>KisIntParseSpinBox</class>
    <extends>QSpinBox</extends>
    <header>kis_int_parse_spin_box.h</header>
   </customwidget>
   <customwidget>
    <class>KisColorButton</class>
    <extends>QPushButton</extends>
    <header>kis_color_button.h</header>
   </customwidget>
  </customwidgets>
  <resources/>
  <connections/>
 </ui>
diff --git a/libs/ui/forms/wdgsessionmanager.ui b/libs/ui/forms/wdgsessionmanager.ui
new file mode 100644
index 0000000000..18b0549761
--- /dev/null
+++ b/libs/ui/forms/wdgsessionmanager.ui
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DlgSessionManager</class>
+ <widget class="QWidget" name="DlgSessionManager">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>363</width>
+    <height>238</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Sessions</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <property name="leftMargin">
+      <number>0</number>
+     </property>
+     <item>
+      <widget class="QListWidget" name="lstSessions"/>
+     </item>
+     <item>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <widget class="QPushButton" name="btnNew">
+         <property name="text">
+          <string>New...</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="btnRename">
+         <property name="text">
+          <string>Rename...</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="btnSwitchTo">
+         <property name="text">
+          <string>Switch to</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="btnDelete">
+         <property name="text">
+          <string>Delete...</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="verticalSpacer">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="btnClose">
+       <property name="text">
+        <string>Close</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/libs/ui/kis_config.cc b/libs/ui/kis_config.cc
index cadf88c09d..e8e5dd70c7 100644
--- a/libs/ui/kis_config.cc
+++ b/libs/ui/kis_config.cc
@@ -1,1973 +1,1983 @@
 /*
  *  Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_config.h"
 
 #include <limits.h>
 
 #include <QtGlobal>
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QMutex>
 #include <QFont>
 #include <QThread>
 #include <QStringList>
 #include <QSettings>
 #include <QStandardPaths>
 
 #include <kconfig.h>
 
 #include <KisDocument.h>
 
 #include <KoColor.h>
 #include <KoColorSpaceRegistry.h>
 #include <KoColorModelStandardIds.h>
 #include <KoColorProfile.h>
 
 #include <kis_debug.h>
 #include <kis_types.h>
 
 #include "kis_canvas_resource_provider.h"
 #include "kis_config_notifier.h"
 #include "kis_snap_config.h"
 
 #include <config-ocio.h>
 
 #include <kis_color_manager.h>
 
 KisConfig::KisConfig()
     : m_cfg( KSharedConfig::openConfig()->group(""))
 {
 }
 
 KisConfig::~KisConfig()
 {
     if (qApp->thread() != QThread::currentThread()) {
         //dbgKrita << "WARNING: KisConfig: requested config synchronization from nonGUI thread! Skipping...";
         return;
     }
 
     m_cfg.sync();
 }
 
 
 bool KisConfig::disableTouchOnCanvas(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("disableTouchOnCanvas", false));
 }
 
 void KisConfig::setDisableTouchOnCanvas(bool value) const
 {
     m_cfg.writeEntry("disableTouchOnCanvas", value);
 }
 
 bool KisConfig::useProjections(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("useProjections", true));
 }
 
 void KisConfig::setUseProjections(bool useProj) const
 {
     m_cfg.writeEntry("useProjections", useProj);
 }
 
 bool KisConfig::undoEnabled(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("undoEnabled", true));
 }
 
 void KisConfig::setUndoEnabled(bool undo) const
 {
     m_cfg.writeEntry("undoEnabled", undo);
 }
 
 int KisConfig::undoStackLimit(bool defaultValue) const
 {
     return (defaultValue ? 30 : m_cfg.readEntry("undoStackLimit", 30));
 }
 
 void KisConfig::setUndoStackLimit(int limit) const
 {
     m_cfg.writeEntry("undoStackLimit", limit);
 }
 
 bool KisConfig::useCumulativeUndoRedo(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("useCumulativeUndoRedo",false));
 }
 
 void KisConfig::setCumulativeUndoRedo(bool value)
 {
     m_cfg.writeEntry("useCumulativeUndoRedo", value);
 }
 
 qreal KisConfig::stackT1(bool defaultValue) const
 {
      return (defaultValue ? 5 : m_cfg.readEntry("stackT1",5));
 }
 
 void KisConfig::setStackT1(int T1)
 {
     m_cfg.writeEntry("stackT1", T1);
 }
 
 qreal KisConfig::stackT2(bool defaultValue) const
 {
      return (defaultValue ? 1 : m_cfg.readEntry("stackT2",1));
 }
 
 void KisConfig::setStackT2(int T2)
 {
     m_cfg.writeEntry("stackT2", T2);
 }
 
 int KisConfig::stackN(bool defaultValue) const
 {
     return (defaultValue ? 5 : m_cfg.readEntry("stackN",5));
 }
 
 void KisConfig::setStackN(int N)
 {
      m_cfg.writeEntry("stackN", N);
 }
 
 qint32 KisConfig::defImageWidth(bool defaultValue) const
 {
     return (defaultValue ? 1600 : m_cfg.readEntry("imageWidthDef", 1600));
 }
 
 qint32 KisConfig::defImageHeight(bool defaultValue) const
 {
     return (defaultValue ? 1200 : m_cfg.readEntry("imageHeightDef", 1200));
 }
 
 qreal KisConfig::defImageResolution(bool defaultValue) const
 {
     return (defaultValue ? 100.0 : m_cfg.readEntry("imageResolutionDef", 100.0)) / 72.0;
 }
 
 QString KisConfig::defColorModel(bool defaultValue) const
 {
     return (defaultValue ? KoColorSpaceRegistry::instance()->rgb8()->colorModelId().id()
                         : m_cfg.readEntry("colorModelDef", KoColorSpaceRegistry::instance()->rgb8()->colorModelId().id()));
 }
 
 void KisConfig::defColorModel(const QString & model) const
 {
     m_cfg.writeEntry("colorModelDef", model);
 }
 
 QString KisConfig::defaultColorDepth(bool defaultValue) const
 {
     return (defaultValue ? KoColorSpaceRegistry::instance()->rgb8()->colorDepthId().id()
                         : m_cfg.readEntry("colorDepthDef", KoColorSpaceRegistry::instance()->rgb8()->colorDepthId().id()));
 }
 
 void KisConfig::setDefaultColorDepth(const QString & depth) const
 {
     m_cfg.writeEntry("colorDepthDef", depth);
 }
 
 QString KisConfig::defColorProfile(bool defaultValue) const
 {
     return (defaultValue ? KoColorSpaceRegistry::instance()->rgb8()->profile()->name() :
                            m_cfg.readEntry("colorProfileDef",
                                            KoColorSpaceRegistry::instance()->rgb8()->profile()->name()));
 }
 
 void KisConfig::defColorProfile(const QString & profile) const
 {
     m_cfg.writeEntry("colorProfileDef", profile);
 }
 
 void KisConfig::defImageWidth(qint32 width) const
 {
     m_cfg.writeEntry("imageWidthDef", width);
 }
 
 void KisConfig::defImageHeight(qint32 height) const
 {
     m_cfg.writeEntry("imageHeightDef", height);
 }
 
 void KisConfig::defImageResolution(qreal res) const
 {
     m_cfg.writeEntry("imageResolutionDef", res*72.0);
 }
 
 void cleanOldCursorStyleKeys(KConfigGroup &cfg)
 {
     if (cfg.hasKey("newCursorStyle") &&
         cfg.hasKey("newOutlineStyle")) {
 
         cfg.deleteEntry("cursorStyleDef");
     }
 }
 
 CursorStyle KisConfig::newCursorStyle(bool defaultValue) const
 {
     if (defaultValue) {
         return CURSOR_STYLE_NO_CURSOR;
     }
 
 
     int style = m_cfg.readEntry("newCursorStyle", int(-1));
 
     if (style < 0) {
         // old style format
         style = m_cfg.readEntry("cursorStyleDef", int(OLD_CURSOR_STYLE_OUTLINE));
 
         switch (style) {
         case OLD_CURSOR_STYLE_TOOLICON:
             style = CURSOR_STYLE_TOOLICON;
             break;
         case OLD_CURSOR_STYLE_CROSSHAIR:
         case OLD_CURSOR_STYLE_OUTLINE_CENTER_CROSS:
             style = CURSOR_STYLE_CROSSHAIR;
             break;
         case OLD_CURSOR_STYLE_POINTER:
             style = CURSOR_STYLE_POINTER;
             break;
         case OLD_CURSOR_STYLE_OUTLINE:
         case OLD_CURSOR_STYLE_NO_CURSOR:
             style = CURSOR_STYLE_NO_CURSOR;
             break;
         case OLD_CURSOR_STYLE_SMALL_ROUND:
         case OLD_CURSOR_STYLE_OUTLINE_CENTER_DOT:
             style = CURSOR_STYLE_SMALL_ROUND;
             break;
         case OLD_CURSOR_STYLE_TRIANGLE_RIGHTHANDED:
         case OLD_CURSOR_STYLE_OUTLINE_TRIANGLE_RIGHTHANDED:
             style = CURSOR_STYLE_TRIANGLE_RIGHTHANDED;
             break;
         case OLD_CURSOR_STYLE_TRIANGLE_LEFTHANDED:
         case OLD_CURSOR_STYLE_OUTLINE_TRIANGLE_LEFTHANDED:
             style = CURSOR_STYLE_TRIANGLE_LEFTHANDED;
             break;
         default:
             style = -1;
         }
     }
 
     cleanOldCursorStyleKeys(m_cfg);
 
     // compatibility with future versions
     if (style < 0 || style >= N_CURSOR_STYLE_SIZE) {
         style = CURSOR_STYLE_NO_CURSOR;
     }
 
     return (CursorStyle) style;
 }
 
 void KisConfig::setNewCursorStyle(CursorStyle style)
 {
     m_cfg.writeEntry("newCursorStyle", (int)style);
 }
 
 QColor KisConfig::getCursorMainColor(bool defaultValue) const
 {
     QColor col;
     col.setRgbF(0.501961, 1.0, 0.501961);
     return (defaultValue ? col : m_cfg.readEntry("cursorMaincColor", col));
 }
 
 void KisConfig::setCursorMainColor(const QColor &v) const
 {
     m_cfg.writeEntry("cursorMaincColor", v);
 }
 
 OutlineStyle KisConfig::newOutlineStyle(bool defaultValue) const
 {
     if (defaultValue) {
         return OUTLINE_FULL;
     }
 
     int style = m_cfg.readEntry("newOutlineStyle", int(-1));
 
     if (style < 0) {
         // old style format
         style = m_cfg.readEntry("cursorStyleDef", int(OLD_CURSOR_STYLE_OUTLINE));
 
         switch (style) {
         case OLD_CURSOR_STYLE_TOOLICON:
         case OLD_CURSOR_STYLE_CROSSHAIR:
         case OLD_CURSOR_STYLE_POINTER:
         case OLD_CURSOR_STYLE_NO_CURSOR:
         case OLD_CURSOR_STYLE_SMALL_ROUND:
         case OLD_CURSOR_STYLE_TRIANGLE_RIGHTHANDED:
         case OLD_CURSOR_STYLE_TRIANGLE_LEFTHANDED:
             style = OUTLINE_NONE;
             break;
         case OLD_CURSOR_STYLE_OUTLINE:
         case OLD_CURSOR_STYLE_OUTLINE_CENTER_DOT:
         case OLD_CURSOR_STYLE_OUTLINE_CENTER_CROSS:
         case OLD_CURSOR_STYLE_OUTLINE_TRIANGLE_RIGHTHANDED:
         case OLD_CURSOR_STYLE_OUTLINE_TRIANGLE_LEFTHANDED:
             style = OUTLINE_FULL;
             break;
         default:
             style = -1;
         }
     }
 
     cleanOldCursorStyleKeys(m_cfg);
 
     // compatibility with future versions
     if (style < 0 || style >= N_OUTLINE_STYLE_SIZE) {
         style = OUTLINE_FULL;
     }
 
     return (OutlineStyle) style;
 }
 
 void KisConfig::setNewOutlineStyle(OutlineStyle style)
 {
     m_cfg.writeEntry("newOutlineStyle", (int)style);
 }
 
 QRect KisConfig::colorPreviewRect() const
 {
     return m_cfg.readEntry("colorPreviewRect", QVariant(QRect(32, 32, 48, 48))).toRect();
 }
 
 void KisConfig::setColorPreviewRect(const QRect &rect)
 {
     m_cfg.writeEntry("colorPreviewRect", QVariant(rect));
 }
 
 bool KisConfig::useDirtyPresets(bool defaultValue) const
 {
    return (defaultValue ? false : m_cfg.readEntry("useDirtyPresets",false));
 }
 void KisConfig::setUseDirtyPresets(bool value)
 {
     m_cfg.writeEntry("useDirtyPresets",value);
     KisConfigNotifier::instance()->notifyConfigChanged();
 }
 
 bool KisConfig::useEraserBrushSize(bool defaultValue) const
 {
    return (defaultValue ? false : m_cfg.readEntry("useEraserBrushSize",false));
 }
 
 void KisConfig::setUseEraserBrushSize(bool value)
 {
     m_cfg.writeEntry("useEraserBrushSize",value);
     KisConfigNotifier::instance()->notifyConfigChanged();
 }
 
 bool KisConfig::useEraserBrushOpacity(bool defaultValue) const
 {
    return (defaultValue ? false : m_cfg.readEntry("useEraserBrushOpacity",false));
 }
 
 void KisConfig::setUseEraserBrushOpacity(bool value)
 {
     m_cfg.writeEntry("useEraserBrushOpacity",value);
     KisConfigNotifier::instance()->notifyConfigChanged();
 }
 
 
 QColor KisConfig::getMDIBackgroundColor(bool defaultValue) const
 {
     QColor col(77, 77, 77);
     return (defaultValue ? col : m_cfg.readEntry("mdiBackgroundColor", col));
 }
 
 void KisConfig::setMDIBackgroundColor(const QColor &v) const
 {
     m_cfg.writeEntry("mdiBackgroundColor", v);
 }
 
 QString KisConfig::getMDIBackgroundImage(bool defaultValue) const
 {
     return (defaultValue ? "" : m_cfg.readEntry("mdiBackgroundImage", ""));
 }
 
 void KisConfig::setMDIBackgroundImage(const QString &filename) const
 {
     m_cfg.writeEntry("mdiBackgroundImage", filename);
 }
 
 QString KisConfig::monitorProfile(int screen) const
 {
     // Note: keep this in sync with the default profile for the RGB colorspaces!
     QString profile = m_cfg.readEntry("monitorProfile" + QString(screen == 0 ? "": QString("_%1").arg(screen)), "sRGB-elle-V2-srgbtrc.icc");
     //dbgKrita << "KisConfig::monitorProfile()" << profile;
     return profile;
 }
 
 QString KisConfig::monitorForScreen(int screen, const QString &defaultMonitor, bool defaultValue) const
 {
     return (defaultValue ? defaultMonitor
                          : m_cfg.readEntry(QString("monitor_for_screen_%1").arg(screen), defaultMonitor));
 }
 
 void KisConfig::setMonitorForScreen(int screen, const QString& monitor)
 {
     m_cfg.writeEntry(QString("monitor_for_screen_%1").arg(screen), monitor);
 }
 
 void KisConfig::setMonitorProfile(int screen, const QString & monitorProfile, bool override) const
 {
     m_cfg.writeEntry("monitorProfile/OverrideX11", override);
     m_cfg.writeEntry("monitorProfile" + QString(screen == 0 ? "": QString("_%1").arg(screen)), monitorProfile);
 }
 
 const KoColorProfile *KisConfig::getScreenProfile(int screen)
 {
     if (screen < 0) return 0;
 
     KisConfig cfg;
     QString monitorId;
     if (KisColorManager::instance()->devices().size() > screen) {
         monitorId = cfg.monitorForScreen(screen, KisColorManager::instance()->devices()[screen]);
     }
     //dbgKrita << "getScreenProfile(). Screen" << screen << "monitor id" << monitorId;
 
     if (monitorId.isEmpty()) {
         return 0;
     }
 
     QByteArray bytes = KisColorManager::instance()->displayProfile(monitorId);
 
     //dbgKrita << "\tgetScreenProfile()" << bytes.size();
 
     if (bytes.length() > 0) {
         const KoColorProfile *profile = KoColorSpaceRegistry::instance()->createColorProfile(RGBAColorModelID.id(), Integer8BitsColorDepthID.id(), bytes);
         //dbgKrita << "\tKisConfig::getScreenProfile for screen" << screen << profile->name();
         return profile;
     }
     else {
         //dbgKrita << "\tCould not get a system monitor profile";
         return 0;
     }
 }
 
 const KoColorProfile *KisConfig::displayProfile(int screen) const
 {
     if (screen < 0) return 0;
 
     // if the user plays with the settings, they can override the display profile, in which case
     // we don't want the system setting.
     bool override = useSystemMonitorProfile();
     //dbgKrita << "KisConfig::displayProfile(). Override X11:" << override;
     const KoColorProfile *profile = 0;
     if (override) {
         //dbgKrita << "\tGoing to get the screen profile";
         profile = KisConfig::getScreenProfile(screen);
     }
 
     // if it fails. check the configuration
     if (!profile || !profile->isSuitableForDisplay()) {
         //dbgKrita << "\tGoing to get the monitor profile";
         QString monitorProfileName = monitorProfile(screen);
         //dbgKrita << "\t\tmonitorProfileName:" << monitorProfileName;
         if (!monitorProfileName.isEmpty()) {
             profile = KoColorSpaceRegistry::instance()->profileByName(monitorProfileName);
         }
         if (profile) {
             //dbgKrita << "\t\tsuitable for display" << profile->isSuitableForDisplay();
         }
         else {
             //dbgKrita << "\t\tstill no profile";
         }
     }
     // if we still don't have a profile, or the profile isn't suitable for display,
     // we need to get a last-resort profile. the built-in sRGB is a good choice then.
     if (!profile || !profile->isSuitableForDisplay()) {
         //dbgKrita << "\tnothing worked, going to get sRGB built-in";
         profile = KoColorSpaceRegistry::instance()->profileByName("sRGB Built-in");
     }
 
     if (profile) {
         //dbgKrita << "\tKisConfig::displayProfile for screen" << screen << "is" << profile->name();
     }
     else {
         //dbgKrita << "\tCouldn't get a display profile at all";
     }
 
     return profile;
 }
 
 QString KisConfig::workingColorSpace(bool defaultValue) const
 {
     return (defaultValue ? "RGBA" : m_cfg.readEntry("workingColorSpace", "RGBA"));
 }
 
 void KisConfig::setWorkingColorSpace(const QString & workingColorSpace) const
 {
     m_cfg.writeEntry("workingColorSpace", workingColorSpace);
 }
 
 QString KisConfig::printerColorSpace(bool /*defaultValue*/) const
 {
     //TODO currently only rgb8 is supported
     //return (defaultValue ? "RGBA" : m_cfg.readEntry("printerColorSpace", "RGBA"));
     return QString("RGBA");
 }
 
 void KisConfig::setPrinterColorSpace(const QString & printerColorSpace) const
 {
     m_cfg.writeEntry("printerColorSpace", printerColorSpace);
 }
 
 
 QString KisConfig::printerProfile(bool defaultValue) const
 {
     return (defaultValue ? "" : m_cfg.readEntry("printerProfile", ""));
 }
 
 void KisConfig::setPrinterProfile(const QString & printerProfile) const
 {
     m_cfg.writeEntry("printerProfile", printerProfile);
 }
 
 
 bool KisConfig::useBlackPointCompensation(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("useBlackPointCompensation", true));
 }
 
 void KisConfig::setUseBlackPointCompensation(bool useBlackPointCompensation) const
 {
     m_cfg.writeEntry("useBlackPointCompensation", useBlackPointCompensation);
 }
 
 bool KisConfig::allowLCMSOptimization(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("allowLCMSOptimization", true));
 }
 
 void KisConfig::setAllowLCMSOptimization(bool allowLCMSOptimization)
 {
     m_cfg.writeEntry("allowLCMSOptimization", allowLCMSOptimization);
 }
 
 
 bool KisConfig::showRulers(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("showrulers", false));
 }
 
 void KisConfig::setShowRulers(bool rulers) const
 {
     m_cfg.writeEntry("showrulers", rulers);
 }
 
 bool KisConfig::forceShowSaveMessages(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("forceShowSaveMessages", false));
 }
 
 void KisConfig::setForceShowSaveMessages(bool value) const
 {
     m_cfg.writeEntry("forceShowSaveMessages", value);
 }
 
 bool KisConfig::forceShowAutosaveMessages(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("forceShowAutosaveMessages", false));
 }
 
 void KisConfig::setForceShowAutosaveMessages(bool value) const
 {
     m_cfg.writeEntry("forceShowAutosaveMessages", value);
 }
 
 bool KisConfig::rulersTrackMouse(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("rulersTrackMouse", true));
 }
 
 void KisConfig::setRulersTrackMouse(bool value) const
 {
     m_cfg.writeEntry("rulersTrackMouse", value);
 }
 
 qint32 KisConfig::pasteBehaviour(bool defaultValue) const
 {
     return (defaultValue ? 2 : m_cfg.readEntry("pasteBehaviour", 2));
 }
 
 void KisConfig::setPasteBehaviour(qint32 renderIntent) const
 {
     m_cfg.writeEntry("pasteBehaviour", renderIntent);
 }
 
 
 qint32 KisConfig::monitorRenderIntent(bool defaultValue) const
 {
     qint32 intent = m_cfg.readEntry("renderIntent", INTENT_PERCEPTUAL);
     if (intent > 3) intent = 3;
     if (intent < 0) intent = 0;
     return (defaultValue ? INTENT_PERCEPTUAL : intent);
 }
 
 void KisConfig::setRenderIntent(qint32 renderIntent) const
 {
     if (renderIntent > 3) renderIntent = 3;
     if (renderIntent < 0) renderIntent = 0;
     m_cfg.writeEntry("renderIntent", renderIntent);
 }
 
 bool KisConfig::useOpenGL(bool defaultValue) const
 {
     if (defaultValue) {
         return true;
     }
 
     //dbgKrita << "use opengl" << m_cfg.readEntry("useOpenGL", true) << "success" << m_cfg.readEntry("canvasState", "OPENGL_SUCCESS");
     QString cs = canvasState();
 #ifdef Q_OS_WIN
     return (m_cfg.readEntry("useOpenGLWindows", true) && (cs == "OPENGL_SUCCESS" || cs == "TRY_OPENGL"));
 #else
     return (m_cfg.readEntry("useOpenGL", true) && (cs == "OPENGL_SUCCESS" || cs == "TRY_OPENGL"));
 #endif
 }
 
 void KisConfig::setUseOpenGL(bool useOpenGL) const
 {
 #ifdef Q_OS_WIN
     m_cfg.writeEntry("useOpenGLWindows", useOpenGL);
 #else
     m_cfg.writeEntry("useOpenGL", useOpenGL);
 #endif
 }
 
 int KisConfig::openGLFilteringMode(bool defaultValue) const
 {
     return (defaultValue ? 3 : m_cfg.readEntry("OpenGLFilterMode", 3));
 }
 
 void KisConfig::setOpenGLFilteringMode(int filteringMode)
 {
     m_cfg.writeEntry("OpenGLFilterMode", filteringMode);
 }
 
 bool KisConfig::useOpenGLTextureBuffer(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("useOpenGLTextureBuffer", true));
 }
 
 void KisConfig::setUseOpenGLTextureBuffer(bool useBuffer)
 {
     m_cfg.writeEntry("useOpenGLTextureBuffer", useBuffer);
 }
 
 int KisConfig::openGLTextureSize(bool defaultValue) const
 {
     return (defaultValue ? 256 : m_cfg.readEntry("textureSize", 256));
 }
 
 bool KisConfig::disableVSync(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("disableVSync", true));
 }
 
 void KisConfig::setDisableVSync(bool disableVSync)
 {
     m_cfg.writeEntry("disableVSync", disableVSync);
 }
 
 bool KisConfig::showAdvancedOpenGLSettings(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("showAdvancedOpenGLSettings", false));
 }
 
 bool KisConfig::forceOpenGLFenceWorkaround(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("forceOpenGLFenceWorkaround", false));
 }
 
 int KisConfig::numMipmapLevels(bool defaultValue) const
 {
     return (defaultValue ? 4 : m_cfg.readEntry("numMipmapLevels", 4));
 }
 
 int KisConfig::textureOverlapBorder() const
 {
     return 1 << qMax(0, numMipmapLevels());
 }
 
 quint32 KisConfig::getGridMainStyle(bool defaultValue) const
 {
     int v = m_cfg.readEntry("gridmainstyle", 0);
     v = qBound(0, v, 2);
     return (defaultValue ? 0 : v);
 }
 
 void KisConfig::setGridMainStyle(quint32 v) const
 {
     m_cfg.writeEntry("gridmainstyle", v);
 }
 
 quint32 KisConfig::getGridSubdivisionStyle(bool defaultValue) const
 {
     quint32 v = m_cfg.readEntry("gridsubdivisionstyle", 1);
     if (v > 2) v = 2;
     return (defaultValue ? 1 : v);
 }
 
 void KisConfig::setGridSubdivisionStyle(quint32 v) const
 {
     m_cfg.writeEntry("gridsubdivisionstyle", v);
 }
 
 QColor KisConfig::getGridMainColor(bool defaultValue) const
 {
     QColor col(99, 99, 99);
     return (defaultValue ? col : m_cfg.readEntry("gridmaincolor", col));
 }
 
 void KisConfig::setGridMainColor(const QColor & v) const
 {
     m_cfg.writeEntry("gridmaincolor", v);
 }
 
 QColor KisConfig::getGridSubdivisionColor(bool defaultValue) const
 {
     QColor col(150, 150, 150);
     return (defaultValue ? col : m_cfg.readEntry("gridsubdivisioncolor", col));
 }
 
 void KisConfig::setGridSubdivisionColor(const QColor & v) const
 {
     m_cfg.writeEntry("gridsubdivisioncolor", v);
 }
 
 QColor KisConfig::getPixelGridColor(bool defaultValue) const
 {
     QColor col(255, 255, 255);
     return (defaultValue ? col : m_cfg.readEntry("pixelGridColor", col));
 }
 
 void KisConfig::setPixelGridColor(const QColor & v) const
 {
     m_cfg.writeEntry("pixelGridColor", v);
 }
 
 qreal KisConfig::getPixelGridDrawingThreshold(bool defaultValue) const
 {
     qreal border = 8.0f;
     return (defaultValue ? border : m_cfg.readEntry("pixelGridDrawingThreshold", border));
 }
 
 void KisConfig::setPixelGridDrawingThreshold(qreal v) const
 {
     m_cfg.writeEntry("pixelGridDrawingThreshold", v);
 }
 
 bool KisConfig::pixelGridEnabled(bool defaultValue) const
 {
     bool enabled = true;
     return (defaultValue ? enabled : m_cfg.readEntry("pixelGridEnabled", enabled));
 }
 
 void KisConfig::enablePixelGrid(bool v) const
 {
     m_cfg.writeEntry("pixelGridEnabled", v);
 }
 
 quint32 KisConfig::guidesLineStyle(bool defaultValue) const
 {
     int v = m_cfg.readEntry("guidesLineStyle", 0);
     v = qBound(0, v, 2);
     return (defaultValue ? 0 : v);
 }
 
 void KisConfig::setGuidesLineStyle(quint32 v) const
 {
     m_cfg.writeEntry("guidesLineStyle", v);
 }
 
 QColor KisConfig::guidesColor(bool defaultValue) const
 {
     QColor col(99, 99, 99);
     return (defaultValue ? col : m_cfg.readEntry("guidesColor", col));
 }
 
 void KisConfig::setGuidesColor(const QColor & v) const
 {
     m_cfg.writeEntry("guidesColor", v);
 }
 
 void KisConfig::loadSnapConfig(KisSnapConfig *config, bool defaultValue) const
 {
     KisSnapConfig defaultConfig(false);
 
     if (defaultValue) {
         *config = defaultConfig;
         return;
     }
 
     config->setOrthogonal(m_cfg.readEntry("globalSnapOrthogonal", defaultConfig.orthogonal()));
     config->setNode(m_cfg.readEntry("globalSnapNode", defaultConfig.node()));
     config->setExtension(m_cfg.readEntry("globalSnapExtension", defaultConfig.extension()));
     config->setIntersection(m_cfg.readEntry("globalSnapIntersection", defaultConfig.intersection()));
     config->setBoundingBox(m_cfg.readEntry("globalSnapBoundingBox", defaultConfig.boundingBox()));
     config->setImageBounds(m_cfg.readEntry("globalSnapImageBounds", defaultConfig.imageBounds()));
     config->setImageCenter(m_cfg.readEntry("globalSnapImageCenter", defaultConfig.imageCenter()));
 }
 
 void KisConfig::saveSnapConfig(const KisSnapConfig &config)
 {
     m_cfg.writeEntry("globalSnapOrthogonal", config.orthogonal());
     m_cfg.writeEntry("globalSnapNode", config.node());
     m_cfg.writeEntry("globalSnapExtension", config.extension());
     m_cfg.writeEntry("globalSnapIntersection", config.intersection());
     m_cfg.writeEntry("globalSnapBoundingBox", config.boundingBox());
     m_cfg.writeEntry("globalSnapImageBounds", config.imageBounds());
     m_cfg.writeEntry("globalSnapImageCenter", config.imageCenter());
 }
 
 qint32 KisConfig::checkSize(bool defaultValue) const
 {
     return (defaultValue ? 32 : m_cfg.readEntry("checksize", 32));
 }
 
 void KisConfig::setCheckSize(qint32 checksize) const
 {
     m_cfg.writeEntry("checksize", checksize);
 }
 
 bool KisConfig::scrollCheckers(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("scrollingcheckers", false));
 }
 
 void KisConfig::setScrollingCheckers(bool sc) const
 {
     m_cfg.writeEntry("scrollingcheckers", sc);
 }
 
 QColor KisConfig::canvasBorderColor(bool defaultValue) const
 {
     QColor color(QColor(128,128,128));
     return (defaultValue ? color : m_cfg.readEntry("canvasBorderColor", color));
 }
 
 void KisConfig::setCanvasBorderColor(const QColor& color) const
 {
     m_cfg.writeEntry("canvasBorderColor", color);
 }
 
 bool KisConfig::hideScrollbars(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("hideScrollbars", false));
 }
 
 void KisConfig::setHideScrollbars(bool value) const
 {
     m_cfg.writeEntry("hideScrollbars", value);
 }
 
 
 QColor KisConfig::checkersColor1(bool defaultValue) const
 {
     QColor col(220, 220, 220);
     return (defaultValue ? col : m_cfg.readEntry("checkerscolor", col));
 }
 
 void KisConfig::setCheckersColor1(const QColor & v) const
 {
     m_cfg.writeEntry("checkerscolor", v);
 }
 
 QColor KisConfig::checkersColor2(bool defaultValue) const
 {
     return (defaultValue ? QColor(Qt::white) : m_cfg.readEntry("checkerscolor2", QColor(Qt::white)));
 }
 
 void KisConfig::setCheckersColor2(const QColor & v) const
 {
     m_cfg.writeEntry("checkerscolor2", v);
 }
 
 bool KisConfig::antialiasCurves(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("antialiascurves", true));
 }
 
 void KisConfig::setAntialiasCurves(bool v) const
 {
     m_cfg.writeEntry("antialiascurves", v);
 }
 
 QColor KisConfig::selectionOverlayMaskColor(bool defaultValue) const
 {
     QColor def(255, 0, 0, 220);
     return (defaultValue ? def : m_cfg.readEntry("selectionOverlayMaskColor", def));
 }
 
 void KisConfig::setSelectionOverlayMaskColor(const QColor &color)
 {
     m_cfg.writeEntry("selectionOverlayMaskColor", color);
 }
 
 bool KisConfig::antialiasSelectionOutline(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("AntialiasSelectionOutline", false));
 }
 
 void KisConfig::setAntialiasSelectionOutline(bool v) const
 {
     m_cfg.writeEntry("AntialiasSelectionOutline", v);
 }
 
 bool KisConfig::showRootLayer(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("ShowRootLayer", false));
 }
 
 void KisConfig::setShowRootLayer(bool showRootLayer) const
 {
     m_cfg.writeEntry("ShowRootLayer", showRootLayer);
 }
 
 bool KisConfig::showGlobalSelection(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("ShowGlobalSelection", false));
 }
 
 void KisConfig::setShowGlobalSelection(bool showGlobalSelection) const
 {
     m_cfg.writeEntry("ShowGlobalSelection", showGlobalSelection);
 }
 
 bool KisConfig::showOutlineWhilePainting(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("ShowOutlineWhilePainting", true));
 }
 
 void KisConfig::setShowOutlineWhilePainting(bool showOutlineWhilePainting) const
 {
     m_cfg.writeEntry("ShowOutlineWhilePainting", showOutlineWhilePainting);
 }
 
 bool KisConfig::hideSplashScreen(bool defaultValue) const
 {
     KConfigGroup cfg( KSharedConfig::openConfig(), "SplashScreen");
     return (defaultValue ? true : cfg.readEntry("HideSplashAfterStartup", true));
 }
 
 void KisConfig::setHideSplashScreen(bool hideSplashScreen) const
 {
     KConfigGroup cfg( KSharedConfig::openConfig(), "SplashScreen");
     cfg.writeEntry("HideSplashAfterStartup", hideSplashScreen);
 }
 
+KisConfig::SessionOnStartup KisConfig::sessionOnStartup(bool defaultValue) const
+{
+    int value = defaultValue ? SOS_BlankSession : m_cfg.readEntry("sessionOnStartup", (int)SOS_BlankSession);
+    return (KisConfig::SessionOnStartup)value;
+}
+void KisConfig::setSessionOnStartup(SessionOnStartup value)
+{
+    m_cfg.writeEntry("sessionOnStartup", (int)value);
+}
+
 qreal KisConfig::outlineSizeMinimum(bool defaultValue) const
 {
     return (defaultValue ? 1.0 : m_cfg.readEntry("OutlineSizeMinimum", 1.0));
 }
 
 void KisConfig::setOutlineSizeMinimum(qreal outlineSizeMinimum) const
 {
     m_cfg.writeEntry("OutlineSizeMinimum", outlineSizeMinimum);
 }
 
 qreal KisConfig::selectionViewSizeMinimum(bool defaultValue) const
 {
     return (defaultValue ? 5.0 : m_cfg.readEntry("SelectionViewSizeMinimum", 5.0));
 }
 
 void KisConfig::setSelectionViewSizeMinimum(qreal outlineSizeMinimum) const
 {
     m_cfg.writeEntry("SelectionViewSizeMinimum", outlineSizeMinimum);
 }
 
 int KisConfig::autoSaveInterval(bool defaultValue)  const
 {
     return (defaultValue ? 15 * 60 : m_cfg.readEntry("AutoSaveInterval", 15 * 60));
 }
 
 void KisConfig::setAutoSaveInterval(int seconds)  const
 {
     return m_cfg.writeEntry("AutoSaveInterval", seconds);
 }
 
 bool KisConfig::backupFile(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("CreateBackupFile", true));
 }
 
 void KisConfig::setBackupFile(bool backupFile) const
 {
     m_cfg.writeEntry("CreateBackupFile", backupFile);
 }
 
 bool KisConfig::showFilterGallery(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("showFilterGallery", false));
 }
 
 void KisConfig::setShowFilterGallery(bool showFilterGallery) const
 {
     m_cfg.writeEntry("showFilterGallery", showFilterGallery);
 }
 
 bool KisConfig::showFilterGalleryLayerMaskDialog(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("showFilterGalleryLayerMaskDialog", true));
 }
 
 void KisConfig::setShowFilterGalleryLayerMaskDialog(bool showFilterGallery) const
 {
     m_cfg.writeEntry("setShowFilterGalleryLayerMaskDialog", showFilterGallery);
 }
 
 QString KisConfig::canvasState(bool defaultValue) const
 {
     const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
     QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
     return (defaultValue ? "OPENGL_NOT_TRIED" : kritarc.value("canvasState", "OPENGL_NOT_TRIED").toString());
 }
 
 void KisConfig::setCanvasState(const QString& state) const
 {
     static QStringList acceptableStates;
     if (acceptableStates.isEmpty()) {
         acceptableStates << "OPENGL_SUCCESS" << "TRY_OPENGL" << "OPENGL_NOT_TRIED" << "OPENGL_FAILED";
     }
     if (acceptableStates.contains(state)) {
         const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
         QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
         kritarc.setValue("canvasState", state);
     }
 }
 
 bool KisConfig::toolOptionsPopupDetached(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("ToolOptionsPopupDetached", false));
 }
 
 void KisConfig::setToolOptionsPopupDetached(bool detached) const
 {
     m_cfg.writeEntry("ToolOptionsPopupDetached", detached);
 }
 
 
 bool KisConfig::paintopPopupDetached(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("PaintopPopupDetached", false));
 }
 
 void KisConfig::setPaintopPopupDetached(bool detached) const
 {
     m_cfg.writeEntry("PaintopPopupDetached", detached);
 }
 
 QString KisConfig::pressureTabletCurve(bool defaultValue) const
 {
     return (defaultValue ? "0,0;1,1" : m_cfg.readEntry("tabletPressureCurve","0,0;1,1;"));
 }
 
 void KisConfig::setPressureTabletCurve(const QString& curveString) const
 {
     m_cfg.writeEntry("tabletPressureCurve", curveString);
 }
 
 bool KisConfig::useWin8PointerInput(bool defaultValue) const
 {
 #ifdef Q_OS_WIN
     return (defaultValue ? false : m_cfg.readEntry("useWin8PointerInput", false));
 #else
     Q_UNUSED(defaultValue);
     return false;
 #endif
 }
 
 void KisConfig::setUseWin8PointerInput(bool value) const
 {
 #ifdef Q_OS_WIN
     // Special handling: Only set value if changed
     // I don't want it to be set if the user hasn't touched it
     if (useWin8PointerInput() != value) {
         m_cfg.writeEntry("useWin8PointerInput", value);
     }
 #else
     Q_UNUSED(value)
 #endif
 }
 
 qreal KisConfig::vastScrolling(bool defaultValue) const
 {
     return (defaultValue ? 0.9 : m_cfg.readEntry("vastScrolling", 0.9));
 }
 
 void KisConfig::setVastScrolling(const qreal factor) const
 {
     m_cfg.writeEntry("vastScrolling", factor);
 }
 
 int KisConfig::presetChooserViewMode(bool defaultValue) const
 {
     return (defaultValue ? 0 : m_cfg.readEntry("presetChooserViewMode", 0));
 }
 
 void KisConfig::setPresetChooserViewMode(const int mode) const
 {
     m_cfg.writeEntry("presetChooserViewMode", mode);
 }
 
 int KisConfig::presetIconSize(bool defaultValue) const
 {
     return (defaultValue ? 30 : m_cfg.readEntry("presetIconSize", 30));
 }
 
 void KisConfig::setPresetIconSize(const int value) const
 {
     m_cfg.writeEntry("presetIconSize", value);
 }
 
 bool KisConfig::firstRun(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("firstRun", true));
 }
 
 void KisConfig::setFirstRun(const bool first) const
 {
     m_cfg.writeEntry("firstRun", first);
 }
 
 int KisConfig::horizontalSplitLines(bool defaultValue) const
 {
     return (defaultValue ? 1 : m_cfg.readEntry("horizontalSplitLines", 1));
 }
 void KisConfig::setHorizontalSplitLines(const int numberLines) const
 {
     m_cfg.writeEntry("horizontalSplitLines", numberLines);
 }
 
 int KisConfig::verticalSplitLines(bool defaultValue) const
 {
     return (defaultValue ? 1 : m_cfg.readEntry("verticalSplitLines", 1));
 }
 
 void KisConfig::setVerticalSplitLines(const int numberLines) const
 {
     m_cfg.writeEntry("verticalSplitLines", numberLines);
 }
 
 bool KisConfig::clicklessSpacePan(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("clicklessSpacePan", true));
 }
 
 void KisConfig::setClicklessSpacePan(const bool toggle) const
 {
     m_cfg.writeEntry("clicklessSpacePan", toggle);
 }
 
 
 bool KisConfig::hideDockersFullscreen(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("hideDockersFullScreen", true));
 }
 
 void KisConfig::setHideDockersFullscreen(const bool value) const
 {
     m_cfg.writeEntry("hideDockersFullScreen", value);
 }
 
 bool KisConfig::showDockerTitleBars(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("showDockerTitleBars", true));
 }
 
 void KisConfig::setShowDockerTitleBars(const bool value) const
 {
     m_cfg.writeEntry("showDockerTitleBars", value);
 }
 
 bool KisConfig::showDockers(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("showDockers", true));
 }
 
 void KisConfig::setShowDockers(const bool value) const
 {
     m_cfg.writeEntry("showDockers", value);
 }
 
 bool KisConfig::showStatusBar(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("showStatusBar", true));
 }
 
 void KisConfig::setShowStatusBar(const bool value) const
 {
     m_cfg.writeEntry("showStatusBar", value);
 }
 
 bool KisConfig::hideMenuFullscreen(bool defaultValue) const
 {
     return (defaultValue ? true: m_cfg.readEntry("hideMenuFullScreen", true));
 }
 
 void KisConfig::setHideMenuFullscreen(const bool value) const
 {
     m_cfg.writeEntry("hideMenuFullScreen", value);
 }
 
 bool KisConfig::hideScrollbarsFullscreen(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("hideScrollbarsFullScreen", true));
 }
 
 void KisConfig::setHideScrollbarsFullscreen(const bool value) const
 {
     m_cfg.writeEntry("hideScrollbarsFullScreen", value);
 }
 
 bool KisConfig::hideStatusbarFullscreen(bool defaultValue) const
 {
     return (defaultValue ? true: m_cfg.readEntry("hideStatusbarFullScreen", true));
 }
 
 void KisConfig::setHideStatusbarFullscreen(const bool value) const
 {
     m_cfg.writeEntry("hideStatusbarFullScreen", value);
 }
 
 bool KisConfig::hideTitlebarFullscreen(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("hideTitleBarFullscreen", true));
 }
 
 void KisConfig::setHideTitlebarFullscreen(const bool value) const
 {
     m_cfg.writeEntry("hideTitleBarFullscreen", value);
 }
 
 bool KisConfig::hideToolbarFullscreen(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("hideToolbarFullscreen", true));
 }
 
 void KisConfig::setHideToolbarFullscreen(const bool value) const
 {
     m_cfg.writeEntry("hideToolbarFullscreen", value);
 }
 
 bool KisConfig::fullscreenMode(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("fullscreenMode", true));
 }
 
 void KisConfig::setFullscreenMode(const bool value) const
 {
     m_cfg.writeEntry("fullscreenMode", value);
 }
 
 QStringList KisConfig::favoriteCompositeOps(bool defaultValue) const
 {
     return (defaultValue ? QStringList() : m_cfg.readEntry("favoriteCompositeOps", QStringList()));
 }
 
 void KisConfig::setFavoriteCompositeOps(const QStringList& compositeOps) const
 {
     m_cfg.writeEntry("favoriteCompositeOps", compositeOps);
 }
 
 QString KisConfig::exportConfiguration(const QString &filterId, bool defaultValue) const
 {
     return (defaultValue ? QString() : m_cfg.readEntry("ExportConfiguration-" + filterId, QString()));
 }
 
 void KisConfig::setExportConfiguration(const QString &filterId, KisPropertiesConfigurationSP properties) const
 {
     QString exportConfig = properties->toXML();
     m_cfg.writeEntry("ExportConfiguration-" + filterId, exportConfig);
 }
 
 QString KisConfig::importConfiguration(const QString &filterId, bool defaultValue) const
 {
     return (defaultValue ? QString() : m_cfg.readEntry("ImportConfiguration-" + filterId, QString()));
 }
 
 void KisConfig::setImportConfiguration(const QString &filterId, KisPropertiesConfigurationSP properties) const
 {
     QString importConfig = properties->toXML();
     m_cfg.writeEntry("ImportConfiguration-" + filterId, importConfig);
 }
 
 bool KisConfig::useOcio(bool defaultValue) const
 {
 #ifdef HAVE_OCIO
     return (defaultValue ? false : m_cfg.readEntry("Krita/Ocio/UseOcio", false));
 #else
     Q_UNUSED(defaultValue);
     return false;
 #endif
 }
 
 void KisConfig::setUseOcio(bool useOCIO) const
 {
     m_cfg.writeEntry("Krita/Ocio/UseOcio", useOCIO);
 }
 
 int KisConfig::favoritePresets(bool defaultValue) const
 {
     return (defaultValue ? 10 : m_cfg.readEntry("numFavoritePresets", 10));
 }
 
 void KisConfig::setFavoritePresets(const int value)
 {
     m_cfg.writeEntry("numFavoritePresets", value);
 }
 
 bool KisConfig::levelOfDetailEnabled(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("levelOfDetailEnabled", false));
 }
 
 void KisConfig::setLevelOfDetailEnabled(bool value)
 {
     m_cfg.writeEntry("levelOfDetailEnabled", value);
 }
 
 KisConfig::OcioColorManagementMode
 KisConfig::ocioColorManagementMode(bool defaultValue) const
 {
     return (OcioColorManagementMode)(defaultValue ? INTERNAL
                                                   : m_cfg.readEntry("Krita/Ocio/OcioColorManagementMode", (int) INTERNAL));
 }
 
 void KisConfig::setOcioColorManagementMode(OcioColorManagementMode mode) const
 {
     m_cfg.writeEntry("Krita/Ocio/OcioColorManagementMode", (int) mode);
 }
 
 QString KisConfig::ocioConfigurationPath(bool defaultValue) const
 {
     return (defaultValue ? QString() : m_cfg.readEntry("Krita/Ocio/OcioConfigPath", QString()));
 }
 
 void KisConfig::setOcioConfigurationPath(const QString &path) const
 {
     m_cfg.writeEntry("Krita/Ocio/OcioConfigPath", path);
 }
 
 QString KisConfig::ocioLutPath(bool defaultValue) const
 {
     return (defaultValue ? QString() : m_cfg.readEntry("Krita/Ocio/OcioLutPath", QString()));
 }
 
 void KisConfig::setOcioLutPath(const QString &path) const
 {
     m_cfg.writeEntry("Krita/Ocio/OcioLutPath", path);
 }
 
 int KisConfig::ocioLutEdgeSize(bool defaultValue) const
 {
     return (defaultValue ? 64 : m_cfg.readEntry("Krita/Ocio/LutEdgeSize", 64));
 }
 
 void KisConfig::setOcioLutEdgeSize(int value)
 {
     m_cfg.writeEntry("Krita/Ocio/LutEdgeSize", value);
 }
 
 bool KisConfig::ocioLockColorVisualRepresentation(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("Krita/Ocio/OcioLockColorVisualRepresentation", false));
 }
 
 void KisConfig::setOcioLockColorVisualRepresentation(bool value)
 {
     m_cfg.writeEntry("Krita/Ocio/OcioLockColorVisualRepresentation", value);
 }
 
 QString KisConfig::defaultPalette(bool defaultValue) const
 {
     return (defaultValue ? QString() : m_cfg.readEntry("defaultPalette", QString()));
 }
 
 void KisConfig::setDefaultPalette(const QString& name) const
 {
     m_cfg.writeEntry("defaultPalette", name);
 }
 
 QString KisConfig::toolbarSlider(int sliderNumber, bool defaultValue) const
 {
     QString def = "flow";
     if (sliderNumber == 1) {
         def = "opacity";
     }
     if (sliderNumber == 2) {
         def = "size";
     }
     return (defaultValue ? def : m_cfg.readEntry(QString("toolbarslider_%1").arg(sliderNumber), def));
 }
 
 void KisConfig::setToolbarSlider(int sliderNumber, const QString &slider)
 {
     m_cfg.writeEntry(QString("toolbarslider_%1").arg(sliderNumber), slider);
 }
 
 bool KisConfig::sliderLabels(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("sliderLabels", true));
 }
 
 void KisConfig::setSliderLabels(bool enabled)
 {
     m_cfg.writeEntry("sliderLabels", enabled);
 }
 
 QString KisConfig::currentInputProfile(bool defaultValue) const
 {
     return (defaultValue ? QString() : m_cfg.readEntry("currentInputProfile", QString()));
 }
 
 void KisConfig::setCurrentInputProfile(const QString& name)
 {
     m_cfg.writeEntry("currentInputProfile", name);
 }
 
 bool KisConfig::useSystemMonitorProfile(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("ColorManagement/UseSystemMonitorProfile", false));
 }
 
 void KisConfig::setUseSystemMonitorProfile(bool _useSystemMonitorProfile) const
 {
     m_cfg.writeEntry("ColorManagement/UseSystemMonitorProfile", _useSystemMonitorProfile);
 }
 
 bool KisConfig::presetStripVisible(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("presetStripVisible", true));
 }
 
 void KisConfig::setPresetStripVisible(bool visible)
 {
     m_cfg.writeEntry("presetStripVisible", visible);
 }
 
 bool KisConfig::scratchpadVisible(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("scratchpadVisible", true));
 }
 
 void KisConfig::setScratchpadVisible(bool visible)
 {
     m_cfg.writeEntry("scratchpadVisible", visible);
 }
 
 bool KisConfig::showSingleChannelAsColor(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("showSingleChannelAsColor", false));
 }
 
 void KisConfig::setShowSingleChannelAsColor(bool asColor)
 {
     m_cfg.writeEntry("showSingleChannelAsColor", asColor);
 }
 
 bool KisConfig::hidePopups(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("hidePopups", false));
 }
 
 void KisConfig::setHidePopups(bool hidepopups)
 {
     m_cfg.writeEntry("hidePopups", hidepopups);
 }
 
 int KisConfig::numDefaultLayers(bool defaultValue) const
 {
     return (defaultValue ? 2 : m_cfg.readEntry("NumberOfLayersForNewImage", 2));
 }
 
 void KisConfig::setNumDefaultLayers(int num)
 {
     m_cfg.writeEntry("NumberOfLayersForNewImage", num);
 }
 
 quint8 KisConfig::defaultBackgroundOpacity(bool defaultValue) const
 {
   return (defaultValue ? (int)OPACITY_OPAQUE_U8 : m_cfg.readEntry("BackgroundOpacityForNewImage", (int)OPACITY_OPAQUE_U8));
 }
 
 void KisConfig::setDefaultBackgroundOpacity(quint8 value)
 {
   m_cfg.writeEntry("BackgroundOpacityForNewImage", (int)value);
 }
 
 QColor KisConfig::defaultBackgroundColor(bool defaultValue) const
 {
   return (defaultValue ? QColor(Qt::white) : m_cfg.readEntry("BackgroundColorForNewImage", QColor(Qt::white)));
 }
 
 void KisConfig::setDefaultBackgroundColor(QColor value)
 {
   m_cfg.writeEntry("BackgroundColorForNewImage", value);
 }
 
 KisConfig::BackgroundStyle KisConfig::defaultBackgroundStyle(bool defaultValue) const
 {
   return (KisConfig::BackgroundStyle)(defaultValue ? LAYER : m_cfg.readEntry("BackgroundStyleForNewImage", (int)LAYER));
 }
 
 void KisConfig::setDefaultBackgroundStyle(KisConfig::BackgroundStyle value)
 {
   m_cfg.writeEntry("BackgroundStyleForNewImage", (int)value);
 }
 
 int KisConfig::lineSmoothingType(bool defaultValue) const
 {
     return (defaultValue ? 1 : m_cfg.readEntry("LineSmoothingType", 1));
 }
 
 void KisConfig::setLineSmoothingType(int value)
 {
     m_cfg.writeEntry("LineSmoothingType", value);
 }
 
 qreal KisConfig::lineSmoothingDistance(bool defaultValue) const
 {
     return (defaultValue ? 50.0 : m_cfg.readEntry("LineSmoothingDistance", 50.0));
 }
 
 void KisConfig::setLineSmoothingDistance(qreal value)
 {
     m_cfg.writeEntry("LineSmoothingDistance", value);
 }
 
 qreal KisConfig::lineSmoothingTailAggressiveness(bool defaultValue) const
 {
     return (defaultValue ? 0.15 : m_cfg.readEntry("LineSmoothingTailAggressiveness", 0.15));
 }
 
 void KisConfig::setLineSmoothingTailAggressiveness(qreal value)
 {
     m_cfg.writeEntry("LineSmoothingTailAggressiveness", value);
 }
 
 bool KisConfig::lineSmoothingSmoothPressure(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("LineSmoothingSmoothPressure", false));
 }
 
 void KisConfig::setLineSmoothingSmoothPressure(bool value)
 {
     m_cfg.writeEntry("LineSmoothingSmoothPressure", value);
 }
 
 bool KisConfig::lineSmoothingScalableDistance(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("LineSmoothingScalableDistance", true));
 }
 
 void KisConfig::setLineSmoothingScalableDistance(bool value)
 {
     m_cfg.writeEntry("LineSmoothingScalableDistance", value);
 }
 
 qreal KisConfig::lineSmoothingDelayDistance(bool defaultValue) const
 {
     return (defaultValue ? 50.0 : m_cfg.readEntry("LineSmoothingDelayDistance", 50.0));
 }
 
 void KisConfig::setLineSmoothingDelayDistance(qreal value)
 {
     m_cfg.writeEntry("LineSmoothingDelayDistance", value);
 }
 
 bool KisConfig::lineSmoothingUseDelayDistance(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("LineSmoothingUseDelayDistance", true));
 }
 
 void KisConfig::setLineSmoothingUseDelayDistance(bool value)
 {
     m_cfg.writeEntry("LineSmoothingUseDelayDistance", value);
 }
 
 bool KisConfig::lineSmoothingFinishStabilizedCurve(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("LineSmoothingFinishStabilizedCurve", true));
 }
 
 void KisConfig::setLineSmoothingFinishStabilizedCurve(bool value)
 {
     m_cfg.writeEntry("LineSmoothingFinishStabilizedCurve", value);
 }
 
 bool KisConfig::lineSmoothingStabilizeSensors(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("LineSmoothingStabilizeSensors", true));
 }
 
 void KisConfig::setLineSmoothingStabilizeSensors(bool value)
 {
     m_cfg.writeEntry("LineSmoothingStabilizeSensors", value);
 }
 
 int KisConfig::paletteDockerPaletteViewSectionSize(bool defaultValue) const
 {
     return (defaultValue ? 12 : m_cfg.readEntry("paletteDockerPaletteViewSectionSize", 12));
 }
 
 void KisConfig::setPaletteDockerPaletteViewSectionSize(int value) const
 {
     m_cfg.writeEntry("paletteDockerPaletteViewSectionSize", value);
 }
 
 int KisConfig::tabletEventsDelay(bool defaultValue) const
 {
     return (defaultValue ? 10 : m_cfg.readEntry("tabletEventsDelay", 10));
 }
 
 void KisConfig::setTabletEventsDelay(int value)
 {
     m_cfg.writeEntry("tabletEventsDelay", value);
 }
 
 bool KisConfig::trackTabletEventLatency(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("trackTabletEventLatency", false));
 }
 
 void KisConfig::setTrackTabletEventLatency(bool value)
 {
     m_cfg.writeEntry("trackTabletEventLatency", value);
 }
 
 bool KisConfig::testingAcceptCompressedTabletEvents(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("testingAcceptCompressedTabletEvents", false));
 }
 
 void KisConfig::setTestingAcceptCompressedTabletEvents(bool value)
 {
     m_cfg.writeEntry("testingAcceptCompressedTabletEvents", value);
 }
 
 bool KisConfig::shouldEatDriverShortcuts(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("shouldEatDriverShortcuts", false));
 }
 
 bool KisConfig::testingCompressBrushEvents(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("testingCompressBrushEvents", false));
 }
 
 void KisConfig::setTestingCompressBrushEvents(bool value)
 {
     m_cfg.writeEntry("testingCompressBrushEvents", value);
 }
 
 int KisConfig::workaroundX11SmoothPressureSteps(bool defaultValue) const
 {
     return (defaultValue ? 0 : m_cfg.readEntry("workaroundX11SmoothPressureSteps", 0));
 }
 
 bool KisConfig::showCanvasMessages(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("showOnCanvasMessages", true));
 }
 
 void KisConfig::setShowCanvasMessages(bool show)
 {
     m_cfg.writeEntry("showOnCanvasMessages", show);
 }
 
 bool KisConfig::compressKra(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("compressLayersInKra", false));
 }
 
 void KisConfig::setCompressKra(bool compress)
 {
     m_cfg.writeEntry("compressLayersInKra", compress);
 }
 
 bool KisConfig::toolOptionsInDocker(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("ToolOptionsInDocker", true));
 }
 
 void KisConfig::setToolOptionsInDocker(bool inDocker)
 {
     m_cfg.writeEntry("ToolOptionsInDocker", inDocker);
 }
 
 int KisConfig::kineticScrollingGesture(bool defaultValue) const
 {
     return (defaultValue ? 0 : m_cfg.readEntry("KineticScrollingGesture", 0));
 }
 
 void KisConfig::setKineticScrollingGesture(int gesture)
 {
     m_cfg.writeEntry("KineticScrollingGesture", gesture);
 }
 
 int KisConfig::kineticScrollingSensitivity(bool defaultValue) const
 {
     return (defaultValue ? 75 : m_cfg.readEntry("KineticScrollingSensitivity", 75));
 }
 
 void KisConfig::setKineticScrollingSensitivity(int sensitivity)
 {
     m_cfg.writeEntry("KineticScrollingSensitivity", sensitivity);
 }
 
 bool KisConfig::kineticScrollingScrollbar(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("KineticScrollingScrollbar", true));
 }
 
 void KisConfig::setKineticScrollingScrollbar(bool scrollbar)
 {
     m_cfg.writeEntry("KineticScrollingScrollbar", scrollbar);
 }
 
 const KoColorSpace* KisConfig::customColorSelectorColorSpace(bool defaultValue) const
 {
     const KoColorSpace *cs = 0;
 
     KConfigGroup cfg =  KSharedConfig::openConfig()->group("advancedColorSelector");
     if (defaultValue || cfg.readEntry("useCustomColorSpace", true)) {
         KoColorSpaceRegistry* csr = KoColorSpaceRegistry::instance();
         QString modelID = cfg.readEntry("customColorSpaceModel", "RGBA");
         QString depthID = cfg.readEntry("customColorSpaceDepthID", "U8");
         QString profile = cfg.readEntry("customColorSpaceProfile", "sRGB built-in - (lcms internal)");
         if (profile == "default") {
           // qDebug() << "Falling back to default color profile.";
           profile = "sRGB built-in - (lcms internal)";
         }
         cs = csr->colorSpace(modelID, depthID, profile);
     }
 
     return cs;
 }
 
 void KisConfig::setCustomColorSelectorColorSpace(const KoColorSpace *cs)
 {
     KConfigGroup cfg =  KSharedConfig::openConfig()->group("advancedColorSelector");
     cfg.writeEntry("useCustomColorSpace", bool(cs));
     if(cs) {
         cfg.writeEntry("customColorSpaceModel", cs->colorModelId().id());
         cfg.writeEntry("customColorSpaceDepthID", cs->colorDepthId().id());
         cfg.writeEntry("customColorSpaceProfile", cs->profile()->name());
     }
 
     KisConfigNotifier::instance()->notifyConfigChanged();
 }
 
 bool KisConfig::enableOpenGLFramerateLogging(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("enableOpenGLFramerateLogging", false));
 }
 
 void KisConfig::setEnableOpenGLFramerateLogging(bool value) const
 {
     m_cfg.writeEntry("enableOpenGLFramerateLogging", value);
 }
 
 bool KisConfig::enableBrushSpeedLogging(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("enableBrushSpeedLogging", false));
 }
 
 void KisConfig::setEnableBrushSpeedLogging(bool value) const
 {
     m_cfg.writeEntry("enableBrushSpeedLogging", value);
 }
 
 void KisConfig::setEnableAmdVectorizationWorkaround(bool value)
 {
     m_cfg.writeEntry("amdDisableVectorWorkaround", value);
 }
 
 bool KisConfig::enableAmdVectorizationWorkaround(bool defaultValue) const
 {
     return (defaultValue ? false : m_cfg.readEntry("amdDisableVectorWorkaround", false));
 }
 
 void KisConfig::setAnimationDropFrames(bool value)
 {
     bool oldValue = animationDropFrames();
 
     if (value == oldValue) return;
 
     m_cfg.writeEntry("animationDropFrames", value);
     KisConfigNotifier::instance()->notifyDropFramesModeChanged();
 }
 
 bool KisConfig::animationDropFrames(bool defaultValue) const
 {
     return (defaultValue ? true : m_cfg.readEntry("animationDropFrames", true));
 }
 
 int KisConfig::scrubbingUpdatesDelay(bool defaultValue) const
 {
     return (defaultValue ? 30 : m_cfg.readEntry("scrubbingUpdatesDelay", 30));
 }
 
 void KisConfig::setScrubbingUpdatesDelay(int value)
 {
     m_cfg.writeEntry("scrubbingUpdatesDelay", value);
 }
 
 int KisConfig::scrubbingAudioUpdatesDelay(bool defaultValue) const
 {
     return (defaultValue ? -1 : m_cfg.readEntry("scrubbingAudioUpdatesDelay", -1));
 }
 
 void KisConfig::setScrubbingAudioUpdatesDelay(int value)
 {
     m_cfg.writeEntry("scrubbingAudioUpdatesDelay", value);
 }
 
 int KisConfig::audioOffsetTolerance(bool defaultValue) const
 {
     return (defaultValue ? -1 : m_cfg.readEntry("audioOffsetTolerance", -1));
 }
 
 void KisConfig::setAudioOffsetTolerance(int value)
 {
     m_cfg.writeEntry("audioOffsetTolerance", value);
 }
 
 bool KisConfig::switchSelectionCtrlAlt(bool defaultValue) const
 {
     return defaultValue ? false : m_cfg.readEntry("switchSelectionCtrlAlt", false);
 }
 
 void KisConfig::setSwitchSelectionCtrlAlt(bool value)
 {
     m_cfg.writeEntry("switchSelectionCtrlAlt", value);
     KisConfigNotifier::instance()->notifyConfigChanged();
 }
 
 bool KisConfig::convertToImageColorspaceOnImport(bool defaultValue) const
 {
     return defaultValue ? false : m_cfg.readEntry("ConvertToImageColorSpaceOnImport", false);
 }
 
 void KisConfig::setConvertToImageColorspaceOnImport(bool value)
 {
     m_cfg.writeEntry("ConvertToImageColorSpaceOnImport", value);
 }
 
 int KisConfig::stabilizerSampleSize(bool defaultValue) const
 {
 #ifdef Q_OS_WIN
     const int defaultSampleSize = 50;
 #else
     const int defaultSampleSize = 15;
 #endif
 
     return defaultValue ?
         defaultSampleSize : m_cfg.readEntry("stabilizerSampleSize", defaultSampleSize);
 }
 
 void KisConfig::setStabilizerSampleSize(int value)
 {
     m_cfg.writeEntry("stabilizerSampleSize", value);
 }
 
 bool KisConfig::stabilizerDelayedPaint(bool defaultValue) const
 {
     const bool defaultEnabled = true;
 
     return defaultValue ?
         defaultEnabled : m_cfg.readEntry("stabilizerDelayedPaint", defaultEnabled);
 }
 
 void KisConfig::setStabilizerDelayedPaint(bool value)
 {
     m_cfg.writeEntry("stabilizerDelayedPaint", value);
 }
 
 QString KisConfig::customFFMpegPath(bool defaultValue) const
 {
     return defaultValue ? QString() : m_cfg.readEntry("ffmpegExecutablePath", QString());
 }
 
 void KisConfig::setCustomFFMpegPath(const QString &value) const
 {
     m_cfg.writeEntry("ffmpegExecutablePath", value);
 }
 
 bool KisConfig::showBrushHud(bool defaultValue) const
 {
     return defaultValue ? false : m_cfg.readEntry("showBrushHud", false);
 }
 
 void KisConfig::setShowBrushHud(bool value)
 {
     m_cfg.writeEntry("showBrushHud", value);
 }
 
 QString KisConfig::brushHudSetting(bool defaultValue) const
 {
     QString defaultDoc = "<!DOCTYPE hud_properties>\n<hud_properties>\n <version value=\"1\" type=\"value\"/>\n <paintbrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n   <item_2 value=\"angle\" type=\"value\"/>\n  </properties_list>\n </paintbrush>\n <colorsmudge>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n   <item_2 value=\"smudge_mode\" type=\"value\"/>\n   <item_3 value=\"smudge_length\" type=\"value\"/>\n   <item_4 value=\"smudge_color_rate\" type=\"value\"/>\n  </properties_list>\n </colorsmudge>\n <sketchbrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"opacity\" type=\"value\"/>\n   <item_1 value=\"size\" type=\"value\"/>\n  </properties_list>\n </sketchbrush>\n <hairybrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n  </properties_list>\n </hairybrush>\n <experimentbrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"opacity\" type=\"value\"/>\n   <item_1 value=\"shape_windingfill\" type=\"value\"/>\n  </properties_list>\n </experimentbrush>\n <spraybrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n   <item_2 value=\"spray_particlecount\" type=\"value\"/>\n   <item_3 value=\"spray_density\" type=\"value\"/>\n  </properties_list>\n </spraybrush>\n <hatchingbrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n   <item_2 value=\"hatching_angle\" type=\"value\"/>\n   <item_3 value=\"hatching_thickness\" type=\"value\"/>\n   <item_4 value=\"hatching_separation\" type=\"value\"/>\n  </properties_list>\n </hatchingbrush>\n <gridbrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n   <item_2 value=\"grid_divisionlevel\" type=\"value\"/>\n  </properties_list>\n </gridbrush>\n <curvebrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"opacity\" type=\"value\"/>\n   <item_1 value=\"curve_historysize\" type=\"value\"/>\n   <item_2 value=\"curve_linewidth\" type=\"value\"/>\n   <item_3 value=\"curve_lineopacity\" type=\"value\"/>\n   <item_4 value=\"curve_connectionline\" type=\"value\"/>\n  </properties_list>\n </curvebrush>\n <dynabrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"dyna_diameter\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n   <item_2 value=\"dyna_mass\" type=\"value\"/>\n   <item_3 value=\"dyna_drag\" type=\"value\"/>\n  </properties_list>\n </dynabrush>\n <particlebrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"opacity\" type=\"value\"/>\n   <item_1 value=\"particle_particles\" type=\"value\"/>\n   <item_2 value=\"particle_opecityweight\" type=\"value\"/>\n   <item_3 value=\"particle_iterations\" type=\"value\"/>\n  </properties_list>\n </particlebrush>\n <duplicate>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n   <item_2 value=\"clone_healing\" type=\"value\"/>\n   <item_3 value=\"clone_movesource\" type=\"value\"/>\n  </properties_list>\n </duplicate>\n <deformbrush>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n   <item_2 value=\"deform_amount\" type=\"value\"/>\n   <item_3 value=\"deform_mode\" type=\"value\"/>\n  </properties_list>\n </deformbrush>\n <tangentnormal>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n  </properties_list>\n </tangentnormal>\n <filter>\n  <properties_list type=\"array\">\n   <item_0 value=\"size\" type=\"value\"/>\n   <item_1 value=\"opacity\" type=\"value\"/>\n  </properties_list>\n </filter>\n <roundmarker>\n  <properties_list type=\"array\">\n   <item_0 value=\"opacity\" type=\"value\"/>\n   <item_1 value=\"size\" type=\"value\"/>\n  </properties_list>\n </roundmarker>\n</hud_properties>\n";
     return defaultValue ? defaultDoc : m_cfg.readEntry("brushHudSettings", defaultDoc);
 }
 
 void KisConfig::setBrushHudSetting(const QString &value) const
 {
     m_cfg.writeEntry("brushHudSettings", value);
 }
 
 bool KisConfig::calculateAnimationCacheInBackground(bool defaultValue) const
 {
     return defaultValue ? true : m_cfg.readEntry("calculateAnimationCacheInBackground", true);
 }
 
 void KisConfig::setCalculateAnimationCacheInBackground(bool value)
 {
     m_cfg.writeEntry("calculateAnimationCacheInBackground", value);
 }
 
 #include <QDomDocument>
 #include <QDomElement>
 
 void KisConfig::writeKoColor(const QString& name, const KoColor& color) const
 {
     QDomDocument doc = QDomDocument(name);
     QDomElement el = doc.createElement(name);
     doc.appendChild(el);
     color.toXML(doc, el);
     m_cfg.writeEntry(name, doc.toString());
 }
 
 //ported from kispropertiesconfig.
 KoColor KisConfig::readKoColor(const QString& name, const KoColor& color) const
 {
     QDomDocument doc;
     if (!m_cfg.readEntry(name).isNull()) {
         doc.setContent(m_cfg.readEntry(name));
         QDomElement e = doc.documentElement().firstChild().toElement();
         return KoColor::fromXML(e, Integer16BitsColorDepthID.id());
     } else {
         QString blackColor = "<!DOCTYPE Color>\n<Color>\n <RGB r=\"0\" space=\"sRGB-elle-V2-srgbtrc.icc\" b=\"0\" g=\"0\"/>\n</Color>\n";
         doc.setContent(blackColor);
         QDomElement e = doc.documentElement().firstChild().toElement();
         return KoColor::fromXML(e, Integer16BitsColorDepthID.id());
     }
     return color;
 
 }
diff --git a/libs/ui/kis_config.h b/libs/ui/kis_config.h
index 7d66e6e93e..159c4d3fad 100644
--- a/libs/ui/kis_config.h
+++ b/libs/ui/kis_config.h
@@ -1,583 +1,591 @@
 /*
  *  Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 #ifndef KIS_CONFIG_H_
 #define KIS_CONFIG_H_
 
 #include <QString>
 #include <QStringList>
 #include <QList>
 #include <QColor>
 
 #include <ksharedconfig.h>
 #include <kconfiggroup.h>
 
 #include "kis_global.h"
 #include "kis_properties_configuration.h"
 #include "kritaui_export.h"
 
 class KoColorProfile;
 class KoColorSpace;
 class KisSnapConfig;
 
 class KRITAUI_EXPORT KisConfig
 {
 public:
     KisConfig();
     ~KisConfig();
 
     bool disableTouchOnCanvas(bool defaultValue = false) const;
     void setDisableTouchOnCanvas(bool value) const;
 
     bool useProjections(bool defaultValue = false) const;
     void setUseProjections(bool useProj) const;
 
     bool undoEnabled(bool defaultValue = false) const;
     void setUndoEnabled(bool undo) const;
 
     int undoStackLimit(bool defaultValue = false) const;
     void setUndoStackLimit(int limit) const;
 
     bool useCumulativeUndoRedo(bool defaultValue = false) const;
     void setCumulativeUndoRedo(bool value);
 
     double stackT1(bool defaultValue = false) const;
     void setStackT1(int T1);
 
     double stackT2(bool defaultValue = false) const;
     void setStackT2(int T2);
 
     int stackN(bool defaultValue = false) const;
     void setStackN(int N);
 
     qint32 defImageWidth(bool defaultValue = false) const;
     void defImageWidth(qint32 width) const;
 
     qint32 defImageHeight(bool defaultValue = false) const;
     void defImageHeight(qint32 height) const;
 
     qreal defImageResolution(bool defaultValue = false) const;
     void defImageResolution(qreal res) const;
 
     /**
      * @return the id of the default color model used for creating new images.
      */
     QString defColorModel(bool defaultValue = false) const;
     /**
      * set the id of the default color model used for creating new images.
      */
     void defColorModel(const QString & model) const;
 
     /**
      * @return the id of the default color depth used for creating new images.
      */
     QString defaultColorDepth(bool defaultValue = false) const;
     /**
      * set the id of the default color depth used for creating new images.
      */
     void setDefaultColorDepth(const QString & depth) const;
 
     /**
      * @return the id of the default color profile used for creating new images.
      */
     QString defColorProfile(bool defaultValue = false) const;
     /**
      * set the id of the default color profile used for creating new images.
      */
     void defColorProfile(const QString & depth) const;
 
     CursorStyle newCursorStyle(bool defaultValue = false) const;
     void setNewCursorStyle(CursorStyle style);
 
     QColor getCursorMainColor(bool defaultValue = false) const;
     void setCursorMainColor(const QColor& v) const;
 
     OutlineStyle newOutlineStyle(bool defaultValue = false) const;
     void setNewOutlineStyle(OutlineStyle style);
 
     QRect colorPreviewRect() const;
     void setColorPreviewRect(const QRect &rect);
 
     /// get the profile the user has selected for the given screen
     QString monitorProfile(int screen) const;
     void setMonitorProfile(int screen, const QString & monitorProfile, bool override) const;
 
     QString monitorForScreen(int screen, const QString &defaultMonitor, bool defaultValue = true) const;
     void setMonitorForScreen(int screen, const QString& monitor);
 
     /// Get the actual profile to be used for the given screen, which is
     /// either the screen profile set by the color management system or
     /// the custom monitor profile set by the user, depending on the configuration
     const KoColorProfile *displayProfile(int screen) const;
 
     QString workingColorSpace(bool defaultValue = false) const;
     void setWorkingColorSpace(const QString & workingColorSpace) const;
 
     QString importProfile(bool defaultValue = false) const;
     void setImportProfile(const QString & importProfile) const;
 
     QString printerColorSpace(bool defaultValue = false) const;
     void setPrinterColorSpace(const QString & printerColorSpace) const;
 
     QString printerProfile(bool defaultValue = false) const;
     void setPrinterProfile(const QString & printerProfile) const;
 
     bool useBlackPointCompensation(bool defaultValue = false) const;
     void setUseBlackPointCompensation(bool useBlackPointCompensation) const;
 
     bool allowLCMSOptimization(bool defaultValue = false) const;
     void setAllowLCMSOptimization(bool allowLCMSOptimization);
 
     void writeKoColor(const QString& name, const KoColor& color) const;
     KoColor readKoColor(const QString& name, const KoColor& color = KoColor()) const;
 
     bool showRulers(bool defaultValue = false) const;
     void setShowRulers(bool rulers) const;
 
     bool forceShowSaveMessages(bool defaultValue = true) const;
     void setForceShowSaveMessages(bool value) const;
 
     bool forceShowAutosaveMessages(bool defaultValue = true) const;
     void setForceShowAutosaveMessages(bool ShowAutosaveMessages) const;
 
     bool rulersTrackMouse(bool defaultValue = false) const;
     void setRulersTrackMouse(bool value) const;
 
     qint32 pasteBehaviour(bool defaultValue = false) const;
     void setPasteBehaviour(qint32 behaviour) const;
 
     qint32 monitorRenderIntent(bool defaultValue = false) const;
     void setRenderIntent(qint32 monitorRenderIntent) const;
 
     bool useOpenGL(bool defaultValue = false) const;
     void setUseOpenGL(bool useOpenGL) const;
 
     int openGLFilteringMode(bool defaultValue = false) const;
     void setOpenGLFilteringMode(int filteringMode);
 
     bool useOpenGLTextureBuffer(bool defaultValue = false) const;
     void setUseOpenGLTextureBuffer(bool useBuffer);
 
     bool disableVSync(bool defaultValue = false) const;
     void setDisableVSync(bool disableVSync);
 
     bool showAdvancedOpenGLSettings(bool defaultValue = false) const;
 
     bool forceOpenGLFenceWorkaround(bool defaultValue = false) const;
 
     int numMipmapLevels(bool defaultValue = false) const;
     int openGLTextureSize(bool defaultValue = false) const;
     int textureOverlapBorder() const;
 
     quint32 getGridMainStyle(bool defaultValue = false) const;
     void setGridMainStyle(quint32 v) const;
 
     quint32 getGridSubdivisionStyle(bool defaultValue = false) const;
     void setGridSubdivisionStyle(quint32 v) const;
 
     QColor getGridMainColor(bool defaultValue = false) const;
     void setGridMainColor(const QColor & v) const;
 
     QColor getGridSubdivisionColor(bool defaultValue = false) const;
     void setGridSubdivisionColor(const QColor & v) const;
 
     QColor getPixelGridColor(bool defaultValue = false) const;
     void setPixelGridColor(const QColor & v) const;
 
     qreal getPixelGridDrawingThreshold(bool defaultValue = false) const;
     void setPixelGridDrawingThreshold(qreal v) const;
 
     bool pixelGridEnabled(bool defaultValue = false) const;
     void enablePixelGrid(bool v) const;
 
     quint32 guidesLineStyle(bool defaultValue = false) const;
     void setGuidesLineStyle(quint32 v) const;
     QColor guidesColor(bool defaultValue = false) const;
     void setGuidesColor(const QColor & v) const;
 
     void loadSnapConfig(KisSnapConfig *config, bool defaultValue = false) const;
     void saveSnapConfig(const KisSnapConfig &config);
 
     qint32 checkSize(bool defaultValue = false) const;
     void setCheckSize(qint32 checkSize) const;
 
     bool scrollCheckers(bool defaultValue = false) const;
     void setScrollingCheckers(bool scollCheckers) const;
 
     QColor checkersColor1(bool defaultValue = false) const;
     void setCheckersColor1(const QColor & v) const;
 
     QColor checkersColor2(bool defaultValue = false) const;
     void setCheckersColor2(const QColor & v) const;
 
     QColor canvasBorderColor(bool defaultValue = false) const;
     void setCanvasBorderColor(const QColor &color) const;
 
     bool hideScrollbars(bool defaultValue = false) const;
     void setHideScrollbars(bool value) const;
 
     bool antialiasCurves(bool defaultValue = false) const;
     void setAntialiasCurves(bool v) const;
 
     QColor selectionOverlayMaskColor(bool defaultValue = false) const;
     void setSelectionOverlayMaskColor(const QColor &color);
 
     bool antialiasSelectionOutline(bool defaultValue = false) const;
     void setAntialiasSelectionOutline(bool v) const;
 
     bool showRootLayer(bool defaultValue = false) const;
     void setShowRootLayer(bool showRootLayer) const;
 
     bool showGlobalSelection(bool defaultValue = false) const;
     void setShowGlobalSelection(bool showGlobalSelection) const;
 
     bool showOutlineWhilePainting(bool defaultValue = false) const;
     void setShowOutlineWhilePainting(bool showOutlineWhilePainting) const;
 
     bool hideSplashScreen(bool defaultValue = false) const;
     void setHideSplashScreen(bool hideSplashScreen) const;
 
+    enum SessionOnStartup {
+        SOS_BlankSession,
+        SOS_PreviousSession,
+        SOS_ShowSessionManager
+    };
+    SessionOnStartup sessionOnStartup(bool defaultValue = false) const;
+    void setSessionOnStartup(SessionOnStartup value);
+
     qreal outlineSizeMinimum(bool defaultValue = false) const;
     void setOutlineSizeMinimum(qreal outlineSizeMinimum) const;
 
     qreal selectionViewSizeMinimum(bool defaultValue = false) const;
     void setSelectionViewSizeMinimum(qreal outlineSizeMinimum) const;
 
     int autoSaveInterval(bool defaultValue = false) const;
     void setAutoSaveInterval(int seconds) const;
 
     bool backupFile(bool defaultValue = false) const;
     void setBackupFile(bool backupFile) const;
 
     bool showFilterGallery(bool defaultValue = false) const;
     void setShowFilterGallery(bool showFilterGallery) const;
 
     bool showFilterGalleryLayerMaskDialog(bool defaultValue = false) const;
     void setShowFilterGalleryLayerMaskDialog(bool showFilterGallery) const;
 
     // OPENGL_SUCCESS, TRY_OPENGL, OPENGL_NOT_TRIED, OPENGL_FAILED
     QString canvasState(bool defaultValue = false) const;
     void setCanvasState(const QString& state) const;
 
     bool toolOptionsPopupDetached(bool defaultValue = false) const;
     void setToolOptionsPopupDetached(bool detached) const;
 
     bool paintopPopupDetached(bool defaultValue = false) const;
     void setPaintopPopupDetached(bool detached) const;
 
     QString pressureTabletCurve(bool defaultValue = false) const;
     void setPressureTabletCurve(const QString& curveString) const;
 
     bool useWin8PointerInput(bool defaultValue = false) const;
     void setUseWin8PointerInput(bool value) const;
 
     qreal vastScrolling(bool defaultValue = false) const;
     void setVastScrolling(const qreal factor) const;
 
     int presetChooserViewMode(bool defaultValue = false) const;
     void setPresetChooserViewMode(const int mode) const;
 
     int presetIconSize(bool defaultValue = false) const;
     void setPresetIconSize(const int value) const;
 
 
     bool firstRun(bool defaultValue = false) const;
     void setFirstRun(const bool firstRun) const;
 
     bool clicklessSpacePan(bool defaultValue = false) const;
     void setClicklessSpacePan(const bool toggle) const;
 
     int horizontalSplitLines(bool defaultValue = false) const;
     void setHorizontalSplitLines(const int numberLines) const;
 
     int verticalSplitLines(bool defaultValue = false) const;
     void setVerticalSplitLines(const int numberLines) const;
 
     bool hideDockersFullscreen(bool defaultValue = false) const;
     void setHideDockersFullscreen(const bool value) const;
 
     bool showDockerTitleBars(bool defaultValue = false) const;
     void setShowDockerTitleBars(const bool value) const;
 
     bool showDockers(bool defaultValue = false) const;
     void setShowDockers(const bool value) const;
 
     bool showStatusBar(bool defaultValue = false) const;
     void setShowStatusBar(const bool value) const;
 
     bool hideMenuFullscreen(bool defaultValue = false) const;
     void setHideMenuFullscreen(const bool value) const;
 
     bool hideScrollbarsFullscreen(bool defaultValue = false) const;
     void setHideScrollbarsFullscreen(const bool value) const;
 
     bool hideStatusbarFullscreen(bool defaultValue = false) const;
     void setHideStatusbarFullscreen(const bool value) const;
 
     bool hideTitlebarFullscreen(bool defaultValue = false) const;
     void setHideTitlebarFullscreen(const bool value) const;
 
     bool hideToolbarFullscreen(bool defaultValue = false) const;
     void setHideToolbarFullscreen(const bool value) const;
 
     bool fullscreenMode(bool defaultValue = false) const;
     void setFullscreenMode(const bool value) const;
 
     QStringList favoriteCompositeOps(bool defaultValue = false) const;
     void setFavoriteCompositeOps(const QStringList& compositeOps) const;
 
     QString exportConfiguration(const QString &filterId, bool defaultValue = false) const;
     void setExportConfiguration(const QString &filterId, KisPropertiesConfigurationSP properties) const;
 
     QString importConfiguration(const QString &filterId, bool defaultValue = false) const;
     void setImportConfiguration(const QString &filterId, KisPropertiesConfigurationSP properties) const;
 
     bool useOcio(bool defaultValue = false) const;
     void setUseOcio(bool useOCIO) const;
 
     int favoritePresets(bool defaultValue = false) const;
     void setFavoritePresets(const int value);
 
     bool levelOfDetailEnabled(bool defaultValue = false) const;
     void setLevelOfDetailEnabled(bool value);
 
     enum OcioColorManagementMode {
         INTERNAL = 0,
         OCIO_CONFIG,
         OCIO_ENVIRONMENT
     };
 
     OcioColorManagementMode ocioColorManagementMode(bool defaultValue = false) const;
     void setOcioColorManagementMode(OcioColorManagementMode mode) const;
 
     QString ocioConfigurationPath(bool defaultValue = false) const;
     void setOcioConfigurationPath(const QString &path) const;
 
     QString ocioLutPath(bool defaultValue = false) const;
     void setOcioLutPath(const QString &path) const;
 
     int ocioLutEdgeSize(bool defaultValue = false) const;
     void setOcioLutEdgeSize(int value);
 
     bool ocioLockColorVisualRepresentation(bool defaultValue = false) const;
     void setOcioLockColorVisualRepresentation(bool value);
 
     bool useSystemMonitorProfile(bool defaultValue = false) const;
     void setUseSystemMonitorProfile(bool _useSystemMonitorProfile) const;
 
     QString defaultPalette(bool defaultValue = false) const;
     void setDefaultPalette(const QString& name) const;
 
     QString toolbarSlider(int sliderNumber, bool defaultValue = false) const;
     void setToolbarSlider(int sliderNumber, const QString &slider);
 
     bool sliderLabels(bool defaultValue = false) const;
     void setSliderLabels(bool enabled);
 
     QString currentInputProfile(bool defaultValue = false) const;
     void setCurrentInputProfile(const QString& name);
 
     bool presetStripVisible(bool defaultValue = false) const;
     void setPresetStripVisible(bool visible);
 
     bool scratchpadVisible(bool defaultValue = false) const;
     void setScratchpadVisible(bool visible);
 
     bool showSingleChannelAsColor(bool defaultValue = false) const;
     void setShowSingleChannelAsColor(bool asColor);
 
     bool hidePopups(bool defaultValue = false) const;
     void setHidePopups(bool hidepopups);
 
     int numDefaultLayers(bool defaultValue = false) const;
     void setNumDefaultLayers(int num);
 
     quint8 defaultBackgroundOpacity(bool defaultValue = false) const;
     void setDefaultBackgroundOpacity(quint8 value);
 
     QColor defaultBackgroundColor(bool defaultValue = false) const;
     void setDefaultBackgroundColor(QColor value);
 
     enum BackgroundStyle {
         LAYER = 0,
         PROJECTION = 1
     };
 
     BackgroundStyle defaultBackgroundStyle(bool defaultValue = false) const;
     void setDefaultBackgroundStyle(BackgroundStyle value);
 
     int lineSmoothingType(bool defaultValue = false) const;
     void setLineSmoothingType(int value);
 
     qreal lineSmoothingDistance(bool defaultValue = false) const;
     void setLineSmoothingDistance(qreal value);
 
     qreal lineSmoothingTailAggressiveness(bool defaultValue = false) const;
     void setLineSmoothingTailAggressiveness(qreal value);
 
     bool lineSmoothingSmoothPressure(bool defaultValue = false) const;
     void setLineSmoothingSmoothPressure(bool value);
 
     bool lineSmoothingScalableDistance(bool defaultValue = false) const;
     void setLineSmoothingScalableDistance(bool value);
 
     qreal lineSmoothingDelayDistance(bool defaultValue = false) const;
     void setLineSmoothingDelayDistance(qreal value);
 
     bool lineSmoothingUseDelayDistance(bool defaultValue = false) const;
     void setLineSmoothingUseDelayDistance(bool value);
 
     bool lineSmoothingFinishStabilizedCurve(bool defaultValue = false) const;
     void setLineSmoothingFinishStabilizedCurve(bool value);
 
     bool lineSmoothingStabilizeSensors(bool defaultValue = false) const;
     void setLineSmoothingStabilizeSensors(bool value);
 
     int paletteDockerPaletteViewSectionSize(bool defaultValue = false) const;
     void setPaletteDockerPaletteViewSectionSize(int value) const;
 
     int tabletEventsDelay(bool defaultValue = false) const;
     void setTabletEventsDelay(int value);
 
     bool trackTabletEventLatency(bool defaultValue = false) const;
     void setTrackTabletEventLatency(bool value);
 
     bool testingAcceptCompressedTabletEvents(bool defaultValue = false) const;
     void setTestingAcceptCompressedTabletEvents(bool value);
 
     bool shouldEatDriverShortcuts(bool defaultValue = false) const;
 
     bool testingCompressBrushEvents(bool defaultValue = false) const;
     void setTestingCompressBrushEvents(bool value);
 
     const KoColorSpace* customColorSelectorColorSpace(bool defaultValue = false) const;
     void setCustomColorSelectorColorSpace(const KoColorSpace *cs);
 
     bool useDirtyPresets(bool defaultValue = false) const;
     void setUseDirtyPresets(bool value);
 
     bool useEraserBrushSize(bool defaultValue = false) const;
     void setUseEraserBrushSize(bool value);
 
     bool useEraserBrushOpacity(bool defaultValue = false) const;
     void setUseEraserBrushOpacity(bool value);
 
     QColor getMDIBackgroundColor(bool defaultValue = false) const;
     void setMDIBackgroundColor(const QColor & v) const;
 
     QString getMDIBackgroundImage(bool defaultValue = false) const;
     void setMDIBackgroundImage(const QString & fileName) const;
 
     int workaroundX11SmoothPressureSteps(bool defaultValue = false) const;
 
     bool showCanvasMessages(bool defaultValue = false) const;
     void setShowCanvasMessages(bool show);
 
     bool compressKra(bool defaultValue = false) const;
     void setCompressKra(bool compress);
 
     bool toolOptionsInDocker(bool defaultValue = false) const;
     void setToolOptionsInDocker(bool inDocker);
 
     int kineticScrollingGesture(bool defaultValue = false) const;
     void setKineticScrollingGesture(int kineticScroll);
 
     int kineticScrollingSensitivity(bool defaultValue = false) const;
     void setKineticScrollingSensitivity(int sensitivity);
 
     bool kineticScrollingScrollbar(bool defaultValue = false) const;
     void setKineticScrollingScrollbar(bool scrollbar);
 
     void setEnableOpenGLFramerateLogging(bool value) const;
     bool enableOpenGLFramerateLogging(bool defaultValue = false) const;
 
     void setEnableBrushSpeedLogging(bool value) const;
     bool enableBrushSpeedLogging(bool defaultValue = false) const;
 
     void setEnableAmdVectorizationWorkaround(bool value);
     bool enableAmdVectorizationWorkaround(bool defaultValue = false) const;
 
     bool animationDropFrames(bool defaultValue = false) const;
     void setAnimationDropFrames(bool value);
 
     int scrubbingUpdatesDelay(bool defaultValue = false) const;
     void setScrubbingUpdatesDelay(int value);
 
     int scrubbingAudioUpdatesDelay(bool defaultValue = false) const;
     void setScrubbingAudioUpdatesDelay(int value);
 
     int audioOffsetTolerance(bool defaultValue = false) const;
     void setAudioOffsetTolerance(int value);
 
     bool switchSelectionCtrlAlt(bool defaultValue = false) const;
     void setSwitchSelectionCtrlAlt(bool value);
 
     bool convertToImageColorspaceOnImport(bool defaultValue = false) const;
     void setConvertToImageColorspaceOnImport(bool value);
 
     int stabilizerSampleSize(bool defaultValue = false) const;
     void setStabilizerSampleSize(int value);
 
     bool stabilizerDelayedPaint(bool defaultValue = false) const;
     void setStabilizerDelayedPaint(bool value);
 
     QString customFFMpegPath(bool defaultValue = false) const;
     void setCustomFFMpegPath(const QString &value) const;
 
     bool showBrushHud(bool defaultValue = false) const;
     void setShowBrushHud(bool value);
 
     QString brushHudSetting(bool defaultValue = false) const;
     void setBrushHudSetting(const QString &value) const;
 
     bool calculateAnimationCacheInBackground(bool defaultValue = false) const;
     void setCalculateAnimationCacheInBackground(bool value);
 
     template<class T>
     void writeEntry(const QString& name, const T& value) {
         m_cfg.writeEntry(name, value);
     }
 
     template<class T>
     void writeList(const QString& name, const QList<T>& value) {
         m_cfg.writeEntry(name, value);
     }
 
     template<class T>
     T readEntry(const QString& name, const T& defaultValue=T()) {
         return m_cfg.readEntry(name, defaultValue);
     }
 
     template<class T>
     QList<T> readList(const QString& name, const QList<T>& defaultValue=QList<T>()) {
         return m_cfg.readEntry(name, defaultValue);
     }
 
 
     /// get the profile the color management system has stored for the given screen
     static const KoColorProfile* getScreenProfile(int screen);
 
 private:
     KisConfig(const KisConfig&);
     KisConfig& operator=(const KisConfig&) const;
 
 
 private:
     mutable KConfigGroup m_cfg;
 };
 
 #endif // KIS_CONFIG_H_
diff --git a/libs/ui/kis_resource_server_provider.cpp b/libs/ui/kis_resource_server_provider.cpp
index ad7fe33831..7826169a58 100644
--- a/libs/ui/kis_resource_server_provider.cpp
+++ b/libs/ui/kis_resource_server_provider.cpp
@@ -1,158 +1,190 @@
 /*
  *  kis_resourceserver.cc - part of KImageShop
  *
  *  Copyright (c) 1999 Matthias Elter <elter@kde.org>
  *  Copyright (c) 2003 Patrick Julien <freak@codepimps.org>
  *  Copyright (c) 2005 Sven Langkamp <sven.langkamp@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_resource_server_provider.h"
 
 #include <QDir>
 #include <QApplication>
 #include <QGlobalStatic>
 
 #include <kis_debug.h>
 
 #include <KoResourcePaths.h>
 
 #include <resources/KoResource.h>
 #include <KoResourceServer.h>
 #include <KoResourceServerProvider.h>
 #include <KoResourceServerAdapter.h>
 
 #include <kis_debug.h>
 #include <resources/KoPattern.h>
 #include <brushengine/kis_paintop_preset.h>
 #include <kis_workspace_resource.h>
+#include <KisWindowLayoutResource.h>
+#include <KisSessionResource.h>
+
 #include <kis_psd_layer_style_resource.h>
 
 #include <kis_brush_server.h>
 
 Q_GLOBAL_STATIC(KisResourceServerProvider, s_instance)
 
 
 typedef KoResourceServerSimpleConstruction<KisPaintOpPreset, SharedPointerStoragePolicy<KisPaintOpPresetSP> > KisPaintOpPresetResourceServer;
 typedef KoResourceServerAdapter<KisPaintOpPreset, SharedPointerStoragePolicy<KisPaintOpPresetSP> > KisPaintOpPresetResourceServerAdapter;
 
 
 inline bool isRunningInKrita() {
     return qApp->applicationName().contains(QLatin1String("krita"), Qt::CaseInsensitive);
 }
 
 
 KisResourceServerProvider::KisResourceServerProvider()
     : m_resourceBundleServer(0)
 {
     KisBrushServer *brushServer = KisBrushServer::instance();
 
     m_paintOpPresetServer = new KisPaintOpPresetResourceServer("kis_paintoppresets", "*.kpp");
     if (!QFileInfo(m_paintOpPresetServer->saveLocation()).exists()) {
         QDir().mkpath(m_paintOpPresetServer->saveLocation());
     }
 
     m_paintOpPresetThread = new KoResourceLoaderThread(m_paintOpPresetServer);
     m_paintOpPresetThread->loadSynchronously();
 //    if (!isRunningInKrita()) {
 //        m_paintOpPresetThread->barrier();
 //    }
 
     m_workspaceServer = new KoResourceServerSimpleConstruction<KisWorkspaceResource>("kis_workspaces", "*.kws");
     if (!QFileInfo(m_workspaceServer->saveLocation()).exists()) {
         QDir().mkpath(m_workspaceServer->saveLocation());
     }
     m_workspaceThread = new KoResourceLoaderThread(m_workspaceServer);
     m_workspaceThread->loadSynchronously();
 //    if (!isRunningInKrita()) {
 //        m_workspaceThread->barrier();
 //    }
 
+    m_windowLayoutServer = new KoResourceServerSimpleConstruction<KisWindowLayoutResource>("kis_windowlayouts", "*.kwl");
+    if (!QFileInfo(m_windowLayoutServer->saveLocation()).exists()) {
+        QDir().mkpath(m_windowLayoutServer->saveLocation());
+    }
+    m_windowLayoutThread = new KoResourceLoaderThread(m_windowLayoutServer);
+    m_windowLayoutThread->loadSynchronously();
+
+    m_sessionServer = new KoResourceServerSimpleConstruction<KisSessionResource>("kis_sessions", "*.ksn");
+    if (!QFileInfo(m_sessionServer->saveLocation()).exists()) {
+        QDir().mkpath(m_sessionServer->saveLocation());
+    }
+    m_sessionThread = new KoResourceLoaderThread(m_sessionServer);
+    m_sessionThread->loadSynchronously();
+
     m_layerStyleCollectionServer = new KoResourceServerSimpleConstruction<KisPSDLayerStyleCollectionResource>("psd_layer_style_collections", "*.asl");
     if (!QFileInfo(m_layerStyleCollectionServer->saveLocation()).exists()) {
         QDir().mkpath(m_layerStyleCollectionServer->saveLocation());
     }
 
     m_layerStyleCollectionThread = new KoResourceLoaderThread(m_layerStyleCollectionServer);
     m_layerStyleCollectionThread->loadSynchronously();
 //    if (!isRunningInKrita()) {
 //        m_layerStyleCollectionThread->barrier();
 //    }
 
     connect(this, SIGNAL(notifyBrushBlacklistCleanup()),
             brushServer, SLOT(slotRemoveBlacklistedResources()));
 
 }
 
 KisResourceServerProvider::~KisResourceServerProvider()
 {
     delete m_paintOpPresetThread;
     delete m_workspaceThread;
+    delete m_windowLayoutThread;
+    delete m_sessionThread;
     delete m_layerStyleCollectionThread;
 
     delete m_paintOpPresetServer;
     delete m_workspaceServer;
+    delete m_sessionServer;
+    delete m_windowLayoutServer;
     delete m_layerStyleCollectionServer;
 }
 
 KisResourceServerProvider* KisResourceServerProvider::instance()
 {
     return s_instance;
 }
 
 KoResourceServer<KisResourceBundle> *KisResourceServerProvider::resourceBundleServer()
 {
 
     if (!m_resourceBundleServer)   {
         m_resourceBundleServer = new KoResourceServerSimpleConstruction<KisResourceBundle>("kis_resourcebundles", "*.bundle");
 
         KoResourceLoaderThread bundleLoader(m_resourceBundleServer);
         bundleLoader.loadSynchronously();
         Q_FOREACH (KisResourceBundle *bundle, m_resourceBundleServer->resources()) {
             if (!bundle->install()) {
                 warnKrita << "Could not install resources for bundle" << bundle->name();
             }
         }
     }
 
     return m_resourceBundleServer;
 }
 
 
 KisPaintOpPresetResourceServer* KisResourceServerProvider::paintOpPresetServer(bool block)
 {
     if (block) m_paintOpPresetThread->barrier();
     return m_paintOpPresetServer;
 }
 
 KoResourceServer< KisWorkspaceResource >* KisResourceServerProvider::workspaceServer(bool block)
 {
-
     if (block) m_workspaceThread->barrier();
     return m_workspaceServer;
 }
 
+KoResourceServer< KisWindowLayoutResource >* KisResourceServerProvider::windowLayoutServer(bool block)
+{
+    if (block) m_windowLayoutThread->barrier();
+    return m_windowLayoutServer;
+}
+
+KoResourceServer< KisSessionResource >* KisResourceServerProvider::sessionServer(bool block)
+{
+    if (block) m_sessionThread->barrier();
+    return m_sessionServer;
+}
+
 KoResourceServer<KisPSDLayerStyleCollectionResource> *KisResourceServerProvider::layerStyleCollectionServer(bool block)
 {
     if (block) m_layerStyleCollectionThread->barrier();
     return m_layerStyleCollectionServer;
 }
 
 void KisResourceServerProvider::brushBlacklistCleanup()
 {
     emit notifyBrushBlacklistCleanup();
 }
 
diff --git a/libs/ui/kis_resource_server_provider.h b/libs/ui/kis_resource_server_provider.h
index a8b168eab7..5e8613e2ca 100644
--- a/libs/ui/kis_resource_server_provider.h
+++ b/libs/ui/kis_resource_server_provider.h
@@ -1,79 +1,87 @@
 /*
  *  kis_resource_server_provider.h - part of KImageShop
  *
  *  Copyright (c) 1999 Matthias Elter <elter@kde.org>
  *  Copyright (c) 2003 Patrick Julien <freak@codepimps.org>
  *  Copyright (c) 2005 Sven Langkamp <sven.langkamp@gmail.com>
  *  Copyright (c) 2003-2008 Boudewijn Rempt <boud@valdyas.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 #ifndef KIS_RESOURCESERVERPROVIDER_H_
 #define KIS_RESOURCESERVERPROVIDER_H_
 
 #include <KoResourceServer.h>
 #include <KoResourceServerAdapter.h>
 
 #include <brushengine/kis_paintop_preset.h>
 
 #include "KisResourceBundle.h"
 #include "kritaui_export.h"
+#include "KisWindowLayoutResource.h"
 
 class KoResourceLoaderThread;
 class KisWorkspaceResource;
+class KisSessionResource;
 class KisPSDLayerStyleCollectionResource;
 
 typedef KoResourceServerSimpleConstruction<KisPaintOpPreset, SharedPointerStoragePolicy<KisPaintOpPresetSP> > KisPaintOpPresetResourceServer;
 typedef KoResourceServerAdapter<KisPaintOpPreset, SharedPointerStoragePolicy<KisPaintOpPresetSP> > KisPaintOpPresetResourceServerAdapter;
 
 class KRITAUI_EXPORT KisResourceServerProvider : public QObject
 {
     Q_OBJECT
 
 public:
     KisResourceServerProvider();
     ~KisResourceServerProvider() override;
 
     static KisResourceServerProvider* instance();
 
     KoResourceServer<KisResourceBundle> *resourceBundleServer();
     KisPaintOpPresetResourceServer* paintOpPresetServer(bool block = true);
     KoResourceServer<KisWorkspaceResource>* workspaceServer(bool block = true);
+    KoResourceServer<KisWindowLayoutResource>* windowLayoutServer(bool block = true);
+    KoResourceServer<KisSessionResource>* sessionServer(bool block = true);
     KoResourceServer<KisPSDLayerStyleCollectionResource>* layerStyleCollectionServer(bool block = true);
 
     void brushBlacklistCleanup();
 
 Q_SIGNALS:
     void notifyBrushBlacklistCleanup();
 
 private:
 
     KisResourceServerProvider(const KisResourceServerProvider&);
     KisResourceServerProvider operator=(const KisResourceServerProvider&);
 
     KisPaintOpPresetResourceServer *m_paintOpPresetServer;
     KoResourceServer<KisWorkspaceResource> *m_workspaceServer;
+    KoResourceServer<KisWindowLayoutResource> *m_windowLayoutServer;
+    KoResourceServer<KisSessionResource> *m_sessionServer;
     KoResourceServer<KisPSDLayerStyleCollectionResource> *m_layerStyleCollectionServer;
     KoResourceServer<KisResourceBundle> *m_resourceBundleServer;
 
 private:
 
     KoResourceLoaderThread *m_paintOpPresetThread;
     KoResourceLoaderThread *m_workspaceThread;
+    KoResourceLoaderThread *m_windowLayoutThread;
+    KoResourceLoaderThread *m_sessionThread;
     KoResourceLoaderThread *m_layerStyleCollectionThread;
 
 };
 
 #endif // KIS_RESOURCESERVERPROVIDER_H_
diff --git a/libs/ui/tests/kis_derived_resources_test.cpp b/libs/ui/tests/kis_derived_resources_test.cpp
index 759b57b7c5..81381ae948 100644
--- a/libs/ui/tests/kis_derived_resources_test.cpp
+++ b/libs/ui/tests/kis_derived_resources_test.cpp
@@ -1,143 +1,144 @@
 /*
  *  Copyright (c) 2016 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_derived_resources_test.h"
 
 #include <QTest>
 #include <brushengine/kis_paintop_preset.h>
 
 #include <QApplication>
 
 #include <KoCanvasResourceManager.h>
 
 #include "kis_canvas_resource_provider.h"
 #include <util.h>
 #include <KisMainWindow.h>
 #include <KisDocument.h>
 #include <KisPart.h>
 #include <KisView.h>
 #include <KisViewManager.h>
 #include <kis_paintop_settings.h>
 #include <KoResourcePaths.h>
 
 #include "testutil.h"
 
 void addResourceTypes()
 {
     // All Krita's resource types
     KoResourcePaths::addResourceType("kis_pics", "data", "/pics/");
     KoResourcePaths::addResourceType("kis_images", "data", "/images/");
     KoResourcePaths::addResourceType("icc_profiles", "data", "/profiles/");
     KoResourcePaths::addResourceType("metadata_schema", "data", "/metadata/schemas/");
     KoResourcePaths::addResourceType("kis_brushes", "data", "/brushes/");
     KoResourcePaths::addResourceType("kis_taskset", "data", "/taskset/");
     KoResourcePaths::addResourceType("kis_taskset", "data", "/taskset/");
     KoResourcePaths::addResourceType("gmic_definitions", "data", "/gmic/");
     KoResourcePaths::addResourceType("kis_resourcebundles", "data", "/bundles/");
     KoResourcePaths::addResourceType("kis_defaultpresets", "data", "/defaultpresets/");
     KoResourcePaths::addResourceType("kis_paintoppresets", "data", "/paintoppresets/");
     KoResourcePaths::addResourceType("kis_workspaces", "data", "/workspaces/");
+    KoResourcePaths::addResourceType("kis_windowlayouts", "data", "/windowlayouts/");
     KoResourcePaths::addResourceType("psd_layer_style_collections", "data", "/asl");
     KoResourcePaths::addResourceType("ko_patterns", "data", "/patterns/", true);
     KoResourcePaths::addResourceType("ko_gradients", "data", "/gradients/");
     KoResourcePaths::addResourceType("ko_gradients", "data", "/gradients/", true);
     KoResourcePaths::addResourceType("ko_palettes", "data", "/palettes/", true);
     KoResourcePaths::addResourceType("kis_shortcuts", "data", "/shortcuts/");
     KoResourcePaths::addResourceType("kis_actions", "data", "/actions");
     KoResourcePaths::addResourceType("icc_profiles", "data", "/color/icc");
     KoResourcePaths::addResourceType("ko_effects", "data", "/effects/");
     KoResourcePaths::addResourceType("tags", "data", "/tags/");
 
 }
 
 
 
 void KisDerivedResourcesTest::test()
 {
     KisDocument* doc = createEmptyDocument();
 
     addResourceTypes();
 
     KisMainWindow* mainWindow = KisPart::instance()->createMainWindow();
     QPointer<KisView> view = new KisView(doc, mainWindow->resourceManager(), mainWindow->actionCollection(), mainWindow);
     KisViewManager *viewManager = new KisViewManager(mainWindow, mainWindow->actionCollection());
     KoCanvasResourceManager *manager = viewManager->resourceProvider()->resourceManager();
 
     QApplication::processEvents();
 
     QString presetFileName = "autobrush_300px.kpp";
 
     QVariant i;
 
     KisPaintOpPresetSP preset;
     if (!presetFileName.isEmpty()) {
         QString fullFileName = TestUtil::fetchDataFileLazy(presetFileName);
         preset = new KisPaintOpPreset(fullFileName);
         bool presetValid = preset->load();
         Q_ASSERT(presetValid); Q_UNUSED(presetValid);
 
         i.setValue(preset);
 
     }
 
     QVERIFY(i.isValid());
 
     QSignalSpy spy(manager, SIGNAL(canvasResourceChanged(int, const QVariant &)));
 
     manager->setResource(KisCanvasResourceProvider::CurrentPaintOpPreset, i);
 
     QCOMPARE(spy[0][0].toInt(), (int)KisCanvasResourceProvider::CurrentPaintOpPreset);
     QCOMPARE(spy[0][1].value<KisPaintOpPresetSP>(), preset);
 
     QCOMPARE(spy[1][0].toInt(), (int)KisCanvasResourceProvider::EraserMode);
     QCOMPARE(spy[1][1].toBool(), false);
 
     QCOMPARE(spy[2][0].toInt(), (int)KisCanvasResourceProvider::LodAvailability);
     QCOMPARE(spy[2][1].toBool(), true);
 
     QCOMPARE(spy[3][0].toInt(), (int)KisCanvasResourceProvider::Size);
     QCOMPARE(spy[3][1].toDouble(), 1.0);
 
     QCOMPARE(spy[4][0].toInt(), (int)KisCanvasResourceProvider::Flow);
     QCOMPARE(spy[4][1].toDouble(), 1.0);
 
     QCOMPARE(spy[5][0].toInt(), (int)KisCanvasResourceProvider::Opacity);
     QCOMPARE(spy[5][1].toDouble(), 1.0);
 
     QCOMPARE(spy[6][0].toInt(), (int)KisCanvasResourceProvider::CurrentEffectiveCompositeOp);
     QCOMPARE(spy[6][1].toString(), COMPOSITE_OVER);
 
     spy.clear();
 
     preset->settings()->setPaintOpOpacity(0.8);
 
     QCOMPARE(spy.size(), 1);
     QCOMPARE(spy[0][0].toInt(), (int)KisCanvasResourceProvider::Opacity);
     QCOMPARE(spy[0][1].toDouble(), 0.8);
     spy.clear();
 
 
     mainWindow->hide();
     QApplication::processEvents();
 
     delete view;
     delete doc;
     delete mainWindow;
 }
 
 QTEST_MAIN(KisDerivedResourcesTest)
diff --git a/libs/ui/widgets/kis_workspace_chooser.cpp b/libs/ui/widgets/kis_workspace_chooser.cpp
index 9144af8f0a..318194aa04 100644
--- a/libs/ui/widgets/kis_workspace_chooser.cpp
+++ b/libs/ui/widgets/kis_workspace_chooser.cpp
@@ -1,173 +1,239 @@
 /* This file is part of the KDE project
  * Copyright (C) 2011 Sven Langkamp <sven.langkamp@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "kis_workspace_chooser.h"
 
 #include <QVBoxLayout>
 #include <QAbstractItemDelegate>
 #include <QPainter>
 #include <QPushButton>
 #include <QAction>
+#include <QGridLayout>
+#include <QLineEdit>
+#include <QLabel>
 
 #include <klocalizedstring.h>
 
 #include <KoResourceItemChooser.h>
 #include <KoResourceServerAdapter.h>
 #include <KoDockWidgetTitleBar.h>
-#include <KisMainWindow.h>
 #include <resources/KoResource.h>
 
-#include <resources/KoPattern.h>
 #include "kis_resource_server_provider.h"
 #include "kis_workspace_resource.h"
 #include "KisViewManager.h"
-#include <QGridLayout>
-#include <QLineEdit>
 #include <kis_canvas_resource_provider.h>
+#include <KisMainWindow.h>
+#include <KisPart.h>
 
 class KisWorkspaceDelegate : public QAbstractItemDelegate
 {
 public:
     KisWorkspaceDelegate(QObject * parent = 0) : QAbstractItemDelegate(parent) {}
     ~KisWorkspaceDelegate() override {}
     /// reimplemented
     void paint(QPainter *, const QStyleOptionViewItem &, const QModelIndex &) const override;
     /// reimplemented
     QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex &) const override {
         return option.decorationSize;
     }
 };
 
 void KisWorkspaceDelegate::paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
 {
     if (!index.isValid())
         return;
 
-    KisWorkspaceResource* workspace = static_cast<KisWorkspaceResource*>(index.internalPointer());
+    KoResource* workspace = static_cast<KoResource*>(index.internalPointer());
 
     QPalette::ColorGroup cg = (option.state & QStyle::State_Enabled) ? QPalette::Active : QPalette::Disabled;
     QPalette::ColorRole cr = (option.state & QStyle::State_Selected) ? QPalette::HighlightedText : QPalette::Text;
     painter->setPen(option.palette.color(cg, cr));
 
     if (option.state & QStyle::State_Selected) {
         painter->fillRect(option.rect, option.palette.highlight());
     }
     else {
         painter->fillRect(option.rect, option.palette.base());
     }
 
 
     painter->drawText(option.rect.x() + 5, option.rect.y() + painter->fontMetrics().ascent() + 5, workspace->name());
 
 }
 
 KisWorkspaceChooser::KisWorkspaceChooser(KisViewManager * view, QWidget* parent): QWidget(parent), m_view(view)
 {
-    KoResourceServer<KisWorkspaceResource> * rserver = KisResourceServerProvider::instance()->workspaceServer(false);
-    QSharedPointer<KoAbstractResourceServerAdapter> adapter(new KoResourceServerAdapter<KisWorkspaceResource>(rserver));
-    m_itemChooser = new KoResourceItemChooser(adapter, this);
-    m_itemChooser->setItemDelegate(new KisWorkspaceDelegate(this));
-    m_itemChooser->setFixedSize(250, 250);
-    m_itemChooser->setRowHeight(30);
-    m_itemChooser->setColumnCount(1);
-    m_itemChooser->showTaggingBar(false);
-    connect(m_itemChooser, SIGNAL(resourceSelected(KoResource*)),
-            this, SLOT(resourceSelected(KoResource*)));
-
-    QPushButton* saveButton = new QPushButton(i18n("Save"));
-    connect(saveButton, SIGNAL(clicked(bool)), this, SLOT(slotSave()));
-
-    m_nameEdit = new QLineEdit(this);
-    m_nameEdit->setPlaceholderText(i18n("Insert name"));
-    m_nameEdit->setClearButtonEnabled(true);
-
-    QGridLayout* layout = new QGridLayout(this);
-    layout->addWidget(m_itemChooser, 0, 0, 1, 2);
-    layout->addWidget(m_nameEdit, 1, 0, 1, 1);
-    layout->addWidget(saveButton, 1, 1, 1, 1);
+    KoResourceServer<KisWorkspaceResource> * workspaceServer = KisResourceServerProvider::instance()->workspaceServer(false);
+    QSharedPointer<KoAbstractResourceServerAdapter> workspaceAdapter(new KoResourceServerAdapter<KisWorkspaceResource>(workspaceServer));
+
+    KoResourceServer<KisWindowLayoutResource> * windowLayoutServer = KisResourceServerProvider::instance()->windowLayoutServer(false);
+    QSharedPointer<KoAbstractResourceServerAdapter> windowLayoutAdapter(new KoResourceServerAdapter<KisWindowLayoutResource>(windowLayoutServer));
+
+    m_layout = new QGridLayout(this);
+
+    m_workspaceWidgets = createChooserWidgets(workspaceAdapter, i18n("Workspaces"));
+    m_windowLayoutWidgets = createChooserWidgets(windowLayoutAdapter, i18n("Window layouts"));
+
+    connect(m_workspaceWidgets.itemChooser, SIGNAL(resourceSelected(KoResource*)),
+            this, SLOT(workspaceSelected(KoResource*)));
+    connect(m_workspaceWidgets.saveButton, SIGNAL(clicked(bool)), this, SLOT(slotSaveWorkspace()));
+
+    connect(m_windowLayoutWidgets.itemChooser, SIGNAL(resourceSelected(KoResource*)),
+            this, SLOT(windowLayoutSelected(KoResource*)));
+    connect(m_windowLayoutWidgets.saveButton, SIGNAL(clicked(bool)), this, SLOT(slotSaveWindowLayout()));
+}
+
+KisWorkspaceChooser::ChooserWidgets KisWorkspaceChooser::createChooserWidgets(QSharedPointer<KoAbstractResourceServerAdapter> adapter, const QString &title)
+{
+    ChooserWidgets widgets;
+
+    QLabel *titleLabel = new QLabel(this);
+    QFont titleFont;
+    titleFont.setBold(true);
+    titleLabel->setFont(titleFont);
+    titleLabel->setText(title);
+
+    widgets.itemChooser = new KoResourceItemChooser(adapter, this);
+    widgets.itemChooser->setItemDelegate(new KisWorkspaceDelegate(this));
+    widgets.itemChooser->setFixedSize(250, 250);
+    widgets.itemChooser->setRowHeight(30);
+    widgets.itemChooser->setColumnCount(1);
+    widgets.itemChooser->showTaggingBar(false);
+    widgets.saveButton = new QPushButton(i18n("Save"));
+
+    widgets.nameEdit = new QLineEdit(this);
+    widgets.nameEdit->setPlaceholderText(i18n("Insert name"));
+    widgets.nameEdit->setClearButtonEnabled(true);
+
+    int firstRow = m_layout->rowCount();
+    m_layout->addWidget(titleLabel, firstRow, 0, 1, 2);
+    m_layout->addWidget(widgets.itemChooser, firstRow + 1, 0, 1, 2);
+    m_layout->addWidget(widgets.nameEdit, firstRow + 2, 0, 1, 1);
+    m_layout->addWidget(widgets.saveButton, firstRow + 2, 1, 1, 1);
+
+    return widgets;
 }
 
 KisWorkspaceChooser::~KisWorkspaceChooser()
 {
 
 }
 
-void KisWorkspaceChooser::slotSave()
+void KisWorkspaceChooser::slotSaveWorkspace()
 {
     if (!m_view->qtMainWindow()) {
         return;
     }
+
     KoResourceServer<KisWorkspaceResource> * rserver = KisResourceServerProvider::instance()->workspaceServer();
 
     KisWorkspaceResource* workspace = new KisWorkspaceResource(QString());
     workspace->setDockerState(m_view->qtMainWindow()->saveState());
     m_view->resourceProvider()->notifySavingWorkspace(workspace);
     workspace->setValid(true);
     QString saveLocation = rserver->saveLocation();
-    QString name = m_nameEdit->text();
+    QString name = m_workspaceWidgets.nameEdit->text();
 
     bool newName = false;
     if(name.isEmpty()) {
         newName = true;
         name = i18n("Workspace");
     }
     QFileInfo fileInfo(saveLocation + name + workspace->defaultFileExtension());
 
     int i = 1;
     while (fileInfo.exists()) {
         fileInfo.setFile(saveLocation + name + QString("%1").arg(i) + workspace->defaultFileExtension());
         i++;
     }
     workspace->setFilename(fileInfo.filePath());
     if(newName) {
         name = i18n("Workspace %1", i);
     }
     workspace->setName(name);
     rserver->addResource(workspace);
 }
 
-void KisWorkspaceChooser::resourceSelected(KoResource* resource)
+void KisWorkspaceChooser::workspaceSelected(KoResource *resource)
 {
     if (!m_view->qtMainWindow()) {
         return;
     }
     KisWorkspaceResource* workspace = static_cast<KisWorkspaceResource*>(resource);
 
     QMap<QDockWidget *, bool> dockWidgetMap;
     Q_FOREACH (QDockWidget *docker, m_view->mainWindow()->dockWidgets()) {
         dockWidgetMap[docker] = docker->property("Locked").toBool();
     }
 
     KisMainWindow *mainWindow = qobject_cast<KisMainWindow*>(m_view->qtMainWindow());
     mainWindow->restoreWorkspace(workspace->dockerState());
     m_view->resourceProvider()->notifyLoadingWorkspace(workspace);
 
     Q_FOREACH (QDockWidget *docker, dockWidgetMap.keys()) {
         if (docker->isVisible()) {
             docker->setProperty("Locked", dockWidgetMap[docker]);
             docker->updateGeometry();
         }
         else {
             docker->setProperty("Locked", false); // Unlock invisible dockers
             docker->toggleViewAction()->setEnabled(true);
         }
 
     }
 
 }
+
+void KisWorkspaceChooser::slotSaveWindowLayout()
+{
+    QString name = m_windowLayoutWidgets.nameEdit->text();
+    auto *layout = KisWindowLayoutResource::fromCurrentWindows(name, KisPart::instance()->mainWindows());
+
+    layout->setValid(true);
+
+    KoResourceServer<KisWindowLayoutResource> * rserver = KisResourceServerProvider::instance()->windowLayoutServer();
+    QString saveLocation = rserver->saveLocation();
+
+    bool newName = false;
+    if (name.isEmpty()) {
+        newName = true;
+        name = i18n("Window Layout");
+    }
+    QFileInfo fileInfo(saveLocation + name + layout->defaultFileExtension());
+
+    int i = 1;
+    while (fileInfo.exists()) {
+        fileInfo.setFile(saveLocation + name + QString("%1").arg(i) + layout->defaultFileExtension());
+        i++;
+    }
+    layout->setFilename(fileInfo.filePath());
+
+    if (newName) {
+        name = i18n("Window Layout %1", i);
+    }
+    layout->setName(name);
+    rserver->addResource(layout);
+}
+
+void KisWorkspaceChooser::windowLayoutSelected(KoResource * resource)
+{
+    auto *layout = static_cast<KisWindowLayoutResource*>(resource);
+    layout->applyLayout();
+}
diff --git a/libs/ui/widgets/kis_workspace_chooser.h b/libs/ui/widgets/kis_workspace_chooser.h
index 3582b13d2a..645b5001cc 100644
--- a/libs/ui/widgets/kis_workspace_chooser.h
+++ b/libs/ui/widgets/kis_workspace_chooser.h
@@ -1,48 +1,65 @@
 /* This file is part of the KDE project
  * Copyright (C) 2011 Sven Langkamp <sven.langkamp@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 
 #ifndef KIS_WORKSPACE_CHOOSER_H
 #define KIS_WORKSPACE_CHOOSER_H
 
 #include <QWidget>
 
 class QLineEdit;
+class QPushButton;
+class QGridLayout;
 class KoResourceItemChooser;
 class KisViewManager;
 class KoResource;
+class KoAbstractResourceServerAdapter;
 
 class KisWorkspaceChooser : public QWidget
 {
     Q_OBJECT
 public:
     KisWorkspaceChooser(KisViewManager * view, QWidget* parent = 0);
     ~KisWorkspaceChooser() override;
 
 private Q_SLOTS:
-    void slotSave();
-    void resourceSelected( KoResource * resource );
-    
+    void slotSaveWorkspace();
+    void workspaceSelected( KoResource * resource );
+
+    void slotSaveWindowLayout();
+    void windowLayoutSelected( KoResource * resource );
+
 private:
-    KoResourceItemChooser * m_itemChooser;
-    KisViewManager* m_view;
-    QLineEdit* m_nameEdit;
+    struct ChooserWidgets
+    {
+        KoResourceItemChooser *itemChooser;
+        QLineEdit *nameEdit;
+        QPushButton *saveButton;
+    };
+
+    KisViewManager *m_view;
+
+    QGridLayout* m_layout;
+    ChooserWidgets m_workspaceWidgets;
+    ChooserWidgets m_windowLayoutWidgets;
+
+    ChooserWidgets createChooserWidgets(QSharedPointer<KoAbstractResourceServerAdapter> adapter, const QString &title);
 };
 
 #endif // KIS_WORKSPACE_CHOOSER_H
diff --git a/sdk/tests/ui_manager_test.h b/sdk/tests/ui_manager_test.h
index 47cec974bc..06c8c823fc 100644
--- a/sdk/tests/ui_manager_test.h
+++ b/sdk/tests/ui_manager_test.h
@@ -1,181 +1,181 @@
 /*
  *  Copyright (c) 2012 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifndef __UI_MANAGER_TEST_H
 #define __UI_MANAGER_TEST_H
 
 #include "testutil.h"
 #include "qimage_based_test.h"
+#include "ksharedconfig.h"
 #include <kis_filter_configuration.h>
 #include <resources/KoPattern.h>
 #include "kis_resource_server_provider.h"
 #include "kis_canvas_resource_provider.h"
 #include "kis_filter_strategy.h"
 #include "kis_selection_manager.h"
 #include "kis_node_manager.h"
 #include "KisViewManager.h"
 #include "KisView.h"
 #include "KisPart.h"
 #include <KisDocument.h>
 #include <KisPart.h>
 #include <kis_action_manager.h>
 #include "KisMainWindow.h"
 #include "kis_selection_mask.h"
 
 namespace TestUtil
 {
 
 class UiManagerTest : public TestUtil::QImageBasedTest
 {
 public:
     UiManagerTest(bool useSelection, bool useShapeLayer, const QString &testName)
         : QImageBasedTest(testName) // "selection_manager_test"
     {
         undoStore = new KisSurrogateUndoStore();
         image = createImage(undoStore);
 
         part = KisPart::instance();
         doc = qobject_cast<KisDocument*>(part->createDocument());
         doc->setCurrentImage(image);
 
         if(useSelection) addGlobalSelection(image);
         if(useShapeLayer) addShapeLayer(doc, image);
         image->initialRefreshGraph();
 
-
         mainWindow = new KisMainWindow();
         imageView = new KisView(doc, mainWindow->resourceManager(), mainWindow->actionCollection(), mainWindow);
         view = new KisViewManager(mainWindow, mainWindow->actionCollection());
 
         KoPattern *newPattern = new KoPattern(fetchDataFileLazy("HR_SketchPaper_01.pat"));
         newPattern->load();
         Q_ASSERT(newPattern->valid());
         view->resourceProvider()->slotPatternActivated(newPattern);
 
         KoColor fgColor(Qt::black, image->colorSpace());
         KoColor bgColor(Qt::white, image->colorSpace());
         view->resourceProvider()->blockSignals(true);
         view->resourceProvider()->setBGColor(bgColor);
         view->resourceProvider()->setFGColor(fgColor);
         view->resourceProvider()->setOpacity(1.0);
 
         KisNodeSP paint1 = findNode(image->root(), "paint1");
         Q_ASSERT(paint1);
 
         imageView->setViewManager(view);
         view->setCurrentView(imageView);
 
         view->nodeManager()->slotUiActivatedNode(paint1);
 
         selectionManager = view->selectionManager();
         Q_ASSERT(selectionManager);
         actionManager = view->actionManager();
         Q_ASSERT(actionManager);
 
         QVERIFY(checkLayersInitial());
 
     }
 
     ~UiManagerTest() {
         /**
          * Here is a weird way of precessing pending events.
          * This is needed for the dummies facade could process
          * all the queued events telling it some nodes were
          * added/deleted
          */
         QApplication::processEvents();
         QTest::qSleep(500);
         QApplication::processEvents();
 
         delete mainWindow;
         delete doc;
 
         /**
          * The event queue may have up to 200k events
          * by the time all the tests are finished. Removing
          * all of them may last forever, so clear them after
          * every single test is finished
          */
         QApplication::removePostedEvents(0);
     }
 
     void checkUndo() {
         undoStore->undo();
         image->waitForDone();
         QVERIFY(checkLayersInitial());
     }
 
     void checkDoubleUndo() {
         undoStore->undo();
         undoStore->undo();
         image->waitForDone();
         QVERIFY(checkLayersInitial());
     }
 
     void startConcurrentTask() {
         KisFilterStrategy * filter = new KisBoxFilterStrategy();
         QSize initialSize = image->size();
 
         image->scaleImage(2 * initialSize, image->xRes(), image->yRes(), filter);
         image->waitForDone();
 
         image->scaleImage(initialSize, image->xRes(), image->yRes(), filter);
     }
 
     using QImageBasedTest::checkLayers;
 
     bool checkLayers(const QString &name) {
         return checkLayers(image, name);
     }
 
     using QImageBasedTest::checkLayersInitial;
 
     bool checkLayersInitial() {
         return checkLayersInitial(image);
     }
 
     bool checkLayersFuzzy(const QString &name) {
         return checkLayers(image, name, 1);
     }
 
     bool checkSelectionOnly(const QString &name) {
         KisNodeSP mask = dynamic_cast<const KisLayer*>(image->root().data())->selectionMask();
         return checkOneLayer(image, mask, name);
     }
 
     bool checkNoSelection() {
         KisNodeSP mask = dynamic_cast<const KisLayer*>(image->root().data())->selectionMask();
         return !mask && !image->globalSelection();
     }
 
     KisImageSP image;
     KisSelectionManager *selectionManager;
     KisActionManager *actionManager;
     KisSurrogateUndoStore *undoStore;
 
 protected:
     KisView *imageView;
     KisViewManager *view;
     KisDocument *doc;
     KisPart *part;
     KisMainWindow *mainWindow;
 };
 
 }
 
 #endif /* __UI_MANAGER_TEST_H */