diff --git a/libs/ui/CMakeLists.txt b/libs/ui/CMakeLists.txt
index 20434b6899..afd6dd9a15 100644
--- a/libs/ui/CMakeLists.txt
+++ b/libs/ui/CMakeLists.txt
@@ -1,658 +1,659 @@
 include_directories(
     ${CMAKE_CURRENT_SOURCE_DIR}/qtlockedfile
 )
 
 include_directories(SYSTEM
     ${EIGEN3_INCLUDE_DIR}
     ${OCIO_INCLUDE_DIR}
 )
 
 if (ANDROID)
     add_definitions(-DQT_OPENGL_ES_3)
     add_definitions(-DHAS_ONLY_OPENGL_ES)
     include_directories (${Qt5AndroidExtras_INCLUDE_DIRS})
 endif()
 
 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_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
     canvas/KisSnapPixelStrategy.cpp
 	canvas/KisMirrorAxisConfig.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_layer_style.cpp
     dialogs/kis_dlg_png_import.cpp
     dialogs/kis_dlg_import_image_sequence.cpp
     dialogs/kis_delayed_save_dialog.cpp
     dialogs/KisSessionManagerDialog.cpp
     dialogs/KisNewWindowLayoutDialog.cpp
     dialogs/KisDlgChangeCloneSource.cpp
     dialogs/KisRecoverNamedAutosaveDialog.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
     KisPaintopPropertiesBase.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
     KisOcioConfiguration.cpp
     kis_control_frame.cpp
     kis_composite_ops_model.cc
     kis_paint_ops_model.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
     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
     KisNodeDisplayModeAdapter.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
     KisDecorationsManager.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
     KisResourceServerProvider.cpp
     KisSelectedShapesProxy.cpp
     kis_selection_decoration.cc
     kis_selection_manager.cc
     KisSelectionActionsAdapter.cpp
     kis_statusbar.cc
     kis_zoom_manager.cc
     kis_favorite_resource_manager.cpp
     kis_workspace_resource.cpp
     kis_action.cpp
     kis_action_manager.cpp
     KisActionPlugin.cpp
     kis_canvas_controls_manager.cpp
     kis_tooltip_manager.cpp
     kis_multinode_property.cpp
     kis_stopgradient_editor.cpp
     KisWelcomePageWidget.cpp
     KisChangeCloneLayersCommand.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
     opengl/KisOpenGLUpdateInfoBuilder.cpp
     opengl/KisOpenGLModeProber.cpp
     opengl/KisScreenInformationAdapter.cpp
     kis_fps_decoration.cpp
 
     tool/KisToolChangesTracker.cpp
     tool/KisToolChangesTrackerData.cpp
     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/KisAsyncronousStrokeUpdateHelper.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
     tool/strokes/move_stroke_strategy.cpp
     tool/strokes/KisNodeSelectionRecipe.cpp
     tool/KisSelectionToolFactoryBase.cpp
     tool/KisToolPaintFactoryBase.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_transport_controls.cpp
     widgets/kis_utility_title_bar.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_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_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/KisSelectionPropertySlider.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_preset_live_preview_view.cpp
+    widgets/kis_pressure_callibration_helper.cpp
     widgets/KisScreenColorPicker.cpp
     widgets/KoDualColorButton.cpp
     widgets/KoStrokeConfigWidget.cpp
     widgets/KoFillConfigWidget.cpp
     widgets/KisLayerStyleAngleSelector.cpp
     widgets/KisMemoryReportButton.cpp
     widgets/KisDitherWidget.cpp
 
     KisPaletteEditor.cpp
     dialogs/KisDlgPaletteEditor.cpp
 
     widgets/KisNewsWidget.cpp
     widgets/KisGamutMaskToolbar.cpp
 
     utils/kis_document_aware_spin_box_unit_manager.cpp
     utils/KisSpinBoxSplineUnitConverter.cpp
     utils/KisClipboardUtil.cpp
     utils/KisDitherUtil.cpp
     utils/KisFileIconCreator.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
     input/kis_zoom_and_rotate_action.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/KisPasteActionFactories.cpp
     actions/KisTransformToolActivationCommand.cpp
     input/kis_touch_shortcut.cpp
     kis_document_undo_store.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
     canvas/kis_mirror_axis.cpp
 
     kis_abstract_perspective_grid.cpp
 
     KisApplication.cpp
     KisAutoSaveRecoveryDialog.cpp
     KisDetailsPane.cpp
     KisDocument.cpp
     KisCloneDocumentStroke.cpp
     kis_node_view_color_scheme.cpp
     KisImportExportFilter.cpp
     KisImportExportManager.cpp
     KisImportExportUtils.cpp
     kis_async_action_feedback.cpp
     KisMainWindow.cpp
     KisOpenPane.cpp
     KisPart.cpp
     KisTemplate.cpp
     KisTemplateCreateDia.cpp
     KisTemplateGroup.cpp
     KisTemplates.cpp
     KisTemplatesPane.cpp
     KisTemplateTree.cpp
     KisUndoActionsUpdateManager.cpp
     KisView.cpp
     KisCanvasWindow.cpp
     KisImportExportErrorCode.cpp
     KisImportExportAdditionalChecks.cpp
 
     thememanager.cpp
 
     kis_mainwindow_observer.cpp
     KisViewManager.cpp
     kis_mirror_manager.cpp
 
     qtlockedfile/qtlockedfile.cpp
 
     qtsingleapplication/qtlocalpeer.cpp
     qtsingleapplication/qtsingleapplication.cpp
 
     KisApplicationArguments.cpp
 
     KisNetworkAccessManager.cpp
     KisRssReader.cpp
     KisMultiFeedRSSModel.cpp
     KisRemoteFileFetcher.cpp
 
     KisSaveGroupVisitor.cpp
     KisWindowLayoutResource.cpp
     KisWindowLayoutManager.cpp
     KisSessionResource.cpp
 
     KisReferenceImagesDecoration.cpp
     KisReferenceImage.cpp
     flake/KisReferenceImagesLayer.cpp
     flake/KisReferenceImagesLayer.h
     KisMouseClickEater.cpp
 
     KisDecorationsWrapperLayer.cpp
 
     KoDocumentInfoDlg.cpp
     KoDocumentInfo.cpp
 )
 
 if(WIN32)
     # Private headers are needed for:
     #    * KisDlgCustomTabletResolution
     #    * KisScreenInformationAdapter
     include_directories(SYSTEM ${Qt5Gui_PRIVATE_INCLUDE_DIRS})
 
     set(kritaui_LIB_SRCS
         ${kritaui_LIB_SRCS}
         qtlockedfile/qtlockedfile_win.cpp
     )
     if (NOT USE_QT_TABLET_WINDOWS)
         set(kritaui_LIB_SRCS
             ${kritaui_LIB_SRCS}
             input/wintab/kis_tablet_support_win.cpp
             input/wintab/kis_screen_size_choice_dialog.cpp
             input/wintab/kis_tablet_support_win8.cpp
             )
     else()
         set(kritaui_LIB_SRCS
             ${kritaui_LIB_SRCS}
             dialogs/KisDlgCustomTabletResolution.cpp
             )
     endif()
 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
         KisFrameDataSerializer.cpp
         KisFrameCacheStore.cpp
         KisFrameCacheSwapper.cpp
         KisAbstractFrameCacheSwapper.cpp
         KisInMemoryFrameCacheSwapper.cpp
 
         input/wintab/drawpile_tablettester/tablettester.cpp
         input/wintab/drawpile_tablettester/tablettest.cpp
     )
 
 if (UNIX)
     set(kritaui_LIB_SRCS
         ${kritaui_LIB_SRCS}
         qtlockedfile/qtlockedfile_unix.cpp
         )
 endif()
 
 if (ENABLE_UPDATERS)
 	if (UNIX)
     	set(kritaui_LIB_SRCS
         	${kritaui_LIB_SRCS}
         	utils/KisAppimageUpdater.cpp
         	)
 	endif()
 
 	set(kritaui_LIB_SRCS
         ${kritaui_LIB_SRCS}
     	utils/KisUpdaterBase.cpp
     	utils/KisManualUpdater.cpp
     	utils/KisUpdaterStatus.cpp
 		)
 endif()
 
 
 if(APPLE)
     set(kritaui_LIB_SRCS
         ${kritaui_LIB_SRCS}
         input/kis_extended_modifiers_mapper_osx.mm
         osx.mm
     )
 endif()
 
 if (ANDROID)
     set (kritaui_LIB_SRCS ${kritaui_LIB_SRCS} KisAndroidFileManager.cpp)
 endif()
 
 ki18n_wrap_ui(kritaui_LIB_SRCS
     widgets/KoFillConfigWidget.ui
     widgets/KoStrokeConfigWidget.ui
     widgets/KisDitherWidget.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/wdgmultipliersdoublesliderspinbox.ui
     forms/wdgnodequerypatheditor.ui
     forms/wdgpresetselectorstrip.ui
     forms/wdgsavebrushpreset.ui
     forms/wdgpreseticonlibrary.ui
     forms/wdgrectangleconstraints.ui
     forms/wdgimportimagesequence.ui
     forms/wdgstrokeselectionproperties.ui
     forms/KisDetailsPaneBase.ui
     forms/KisOpenPaneBase.ui
     forms/wdgstopgradienteditor.ui
     forms/wdgsessionmanager.ui
     forms/wdgnewwindowlayout.ui
     forms/KisWelcomePage.ui
     forms/WdgDlgPaletteEditor.ui
     forms/KisNewsPage.ui
     forms/wdgGamutMaskToolbar.ui
     forms/wdgchangeclonesource.ui
     forms/koDocumentInfoAboutWidget.ui
     forms/koDocumentInfoAuthorWidget.ui
 
 
     brushhud/kis_dlg_brush_hud_config.ui
     dialogs/kis_delayed_save_dialog.ui
     dialogs/KisRecoverNamedAutosaveDialog.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
     layerstyles/wdgKisLayerStyleAngleSelector.ui
 
     wdgsplash.ui
     input/wintab/kis_screen_size_choice_dialog.ui
     input/wintab/drawpile_tablettester/tablettest.ui
 
 )
 
 if(WIN32)
     if(USE_QT_TABLET_WINDOWS)
         ki18n_wrap_ui(kritaui_LIB_SRCS
             dialogs/KisDlgCustomTabletResolution.ui
         )
     else()
         ki18n_wrap_ui(kritaui_LIB_SRCS
             input/wintab/kis_screen_size_choice_dialog.ui
         )
     endif()
 endif()
 
 
 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
                       kritaversion kritaimpex kritacolor kritaimage kritalibbrush kritawidgets kritawidgetutils kritaresources ${PNG_LIBRARIES} LibExiv2::LibExiv2
 )
 
 if (ANDROID)
     target_link_libraries(kritaui GLESv3)
     target_link_libraries(kritaui Qt5::Gui)
     target_link_libraries(kritaui Qt5::AndroidExtras)
 endif()
 
 if (HAVE_QT_MULTIMEDIA)
     target_link_libraries(kritaui Qt5::Multimedia)
 endif()
 
 if (NOT WIN32 AND NOT APPLE AND NOT ANDROID)
   target_link_libraries(kritaui ${X11_X11_LIB}
                                 ${X11_Xinput_LIB})
 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 AND NOT ANDROID)
     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 ()
 
 if (UNIX AND BUILD_TESTING AND ENABLE_UPDATERS)
     install(FILES tests/data/AppImageUpdateDummy
             PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
             DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
 endif ()
diff --git a/libs/ui/dialogs/kis_dlg_preferences.cc b/libs/ui/dialogs/kis_dlg_preferences.cc
index d4e1109305..c35e2b0529 100644
--- a/libs/ui/dialogs/kis_dlg_preferences.cc
+++ b/libs/ui/dialogs/kis_dlg_preferences.cc
@@ -1,1811 +1,1820 @@
 /*
  *  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 <config-hdr.h>
 #include <opengl/kis_opengl.h>
 
 #include <QBitmap>
 #include <QCheckBox>
 #include <QComboBox>
 #include <QCursor>
 #include <QDesktopWidget>
 #include <QFileDialog>
 #include <QFormLayout>
 #include <QGridLayout>
 #include <QGroupBox>
 #include <QLabel>
 #include <QLayout>
 #include <QLineEdit>
 #include <QMdiArea>
 #include <QMessageBox>
 #include <QPushButton>
 #include <QRadioButton>
 #include <QSettings>
 #include <QSlider>
 #include <QStandardPaths>
 #include <QThread>
 #include <QToolButton>
 #include <QStyleFactory>
 
 #include <KisApplication.h>
 #include <KisDocument.h>
 #include <kis_icon.h>
 #include <KisPart.h>
 #include <KoColorProfile.h>
 #include <KoColorSpaceEngine.h>
 #include <KoConfigAuthorPage.h>
 #include <KoConfig.h>
 #include <KoFileDialog.h>
 #include "KoID.h"
 #include <KoVBox.h>
 
 #include <klocalizedstring.h>
 #include <kformat.h>
 #include <kundo2stack.h>
 #include <KoResourcePaths.h>
 
 #include <KisResourceCacheDb.h>
 #include <KisResourceLocator.h>
 
 #include "KisProofingConfiguration.h"
 #include "KoColorConversionTransformation.h"
 #include "kis_action_registry.h"
 #include <kis_image.h>
 #include <KisSqueezedComboBox.h>
 #include "kis_clipboard.h"
 #include "widgets/kis_cmb_idlist.h"
 #include "KoColorSpace.h"
 #include "KoColorSpaceRegistry.h"
 #include "kis_canvas_resource_provider.h"
 #include "kis_color_manager.h"
 #include "kis_config.h"
 #include "kis_cursor.h"
 #include "kis_image_config.h"
 #include "kis_preference_set_registry.h"
 
 #include "kis_file_name_requester.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"
 #include "input/wintab/drawpile_tablettester/tablettester.h"
 
 #ifdef Q_OS_WIN
 #include "config_use_qt_tablet_windows.h"
 #   ifndef USE_QT_TABLET_WINDOWS
 #       include <kis_tablet_support_win8.h>
 #   endif
 #include "config-high-dpi-scale-factor-rounding-policy.h"
 #endif
 
 struct BackupSuffixValidator : public QValidator {
     BackupSuffixValidator(QObject *parent)
         : QValidator(parent)
         , invalidCharacters(QStringList()
                             << "0" << "1" << "2" << "3" << "4" << "5" << "6" << "7" << "8" << "9"
                             << "/" << "\\" << ":" << ";" << " ")
     {}
 
     ~BackupSuffixValidator() override {}
 
     const QStringList invalidCharacters;
 
     State validate(QString &line, int &/*pos*/) const override
     {
         Q_FOREACH(const QString invalidChar, invalidCharacters) {
             if (line.contains(invalidChar)) {
                 return Invalid;
             }
         }
         return Acceptable;
     }
 };
 
 
 GeneralTab::GeneralTab(QWidget *_parent, const char *_name)
     : WdgGeneralSettings(_parent, _name)
 {
     KisConfig cfg(true);
 
     //
     // Cursor Tab
     //
     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_cmbCursorShape->setCurrentIndex(cfg.newCursorStyle());
 
     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_cmbOutlineShape->setCurrentIndex(cfg.newOutlineStyle());
 
     m_showOutlinePainting->setChecked(cfg.showOutlineWhilePainting());
     m_changeBrushOutline->setChecked(!cfg.forceAlwaysFullSizedOutline());
 
     KoColor cursorColor(KoColorSpaceRegistry::instance()->rgb8());
     cursorColor.fromQColor(cfg.getCursorMainColor());
     cursorColorBtutton->setColor(cursorColor);
 
     //
     // Window Tab
     //
     m_cmbMDIType->setCurrentIndex(cfg.readEntry<int>("mdi_viewmode", (int)QMdiArea::TabbedView));
 
     m_backgroundimage->setText(cfg.getMDIBackgroundImage());
     connect(m_bnFileName, SIGNAL(clicked()), SLOT(getBackgroundImage()));
     connect(clearBgImageButton, SIGNAL(clicked()), SLOT(clearBackgroundImage()));
 
     QString xml = cfg.getMDIBackgroundColor();
     KoColor mdiColor = KoColor::fromXML(xml);
     m_mdiColor->setColor(mdiColor);
 
     m_chkRubberBand->setChecked(cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
 
     m_chkCanvasMessages->setChecked(cfg.showCanvasMessages());
 
     const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
     QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
     m_chkHiDPI->setChecked(kritarc.value("EnableHiDPI", true).toBool());
 #ifdef HAVE_HIGH_DPI_SCALE_FACTOR_ROUNDING_POLICY
     m_chkHiDPIFractionalScaling->setChecked(kritarc.value("EnableHiDPIFractionalScaling", true).toBool());
 #else
     m_chkHiDPIFractionalScaling->setVisible(false);
 #endif
     chkUsageLogging->setChecked(kritarc.value("LogUsage", true).toBool());
 
 
     //
     // Tools tab
     //
     m_radioToolOptionsInDocker->setChecked(cfg.toolOptionsInDocker());
     cmbFlowMode->setCurrentIndex((int)!cfg.readEntry<bool>("useCreamyAlphaDarken", true));
     m_chkSwitchSelectionCtrlAlt->setChecked(cfg.switchSelectionCtrlAlt());
     chkEnableTouch->setChecked(!cfg.disableTouchOnCanvas());
     chkEnableTouchRotation->setChecked(!cfg.disableTouchRotation());
     chkEnableTranformToolAfterPaste->setChecked(cfg.activateTransformToolAfterPaste());
 
     m_groupBoxKineticScrollingSettings->setChecked(cfg.kineticScrollingEnabled());
 
     m_cmbKineticScrollingGesture->addItem(i18n("On Touch Drag"));
     m_cmbKineticScrollingGesture->addItem(i18n("On Click Drag"));
     m_cmbKineticScrollingGesture->addItem(i18n("On Middle-Click Drag"));
     //m_cmbKineticScrollingGesture->addItem(i18n("On Right Click Drag"));
 
     m_cmbKineticScrollingGesture->setCurrentIndex(cfg.kineticScrollingGesture());
     m_kineticScrollingSensitivitySlider->setRange(0, 100);
     m_kineticScrollingSensitivitySlider->setValue(cfg.kineticScrollingSensitivity());
     m_chkKineticScrollingHideScrollbars->setChecked(cfg.kineticScrollingHiddenScrollbars());
 
     //
     // File handling
     //
     int autosaveInterval = cfg.autoSaveInterval();
     //convert to minutes
     m_autosaveSpinBox->setValue(autosaveInterval / 60);
     m_autosaveCheckBox->setChecked(autosaveInterval > 0);
     chkHideAutosaveFiles->setChecked(cfg.readEntry<bool>("autosavefileshidden", true));
 
     m_chkCompressKra->setChecked(cfg.compressKra());
     chkZip64->setChecked(cfg.useZip64());
     m_chkTrimKra->setChecked(cfg.trimKra());
 
     m_backupFileCheckBox->setChecked(cfg.backupFile());
     cmbBackupFileLocation->setCurrentIndex(cfg.readEntry<int>("backupfilelocation", 0));
     txtBackupFileSuffix->setText(cfg.readEntry<QString>("backupfilesuffix", "~"));
     QValidator *validator = new BackupSuffixValidator(txtBackupFileSuffix);
     txtBackupFileSuffix->setValidator(validator);
     intNumBackupFiles->setValue(cfg.readEntry<int>("numberofbackupfiles", 1));
 
     //
     // Miscellaneous
     //
     cmbStartupSession->addItem(i18n("Open default window"));
     cmbStartupSession->addItem(i18n("Load previous session"));
     cmbStartupSession->addItem(i18n("Show session manager"));
     cmbStartupSession->setCurrentIndex(cfg.sessionOnStartup());
 
     chkSaveSessionOnQuit->setChecked(cfg.saveSessionOnQuit(false));
 
     m_chkConvertOnImport->setChecked(cfg.convertToImageColorspaceOnImport());
 
     m_undoStackSize->setValue(cfg.undoStackLimit());
 
     m_favoritePresetsSpinBox->setValue(cfg.favoritePresets());
 
     chkShowRootLayer->setChecked(cfg.showRootLayer());
 
     m_chkAutoPin->setChecked(cfg.autoPinLayersToTimeline());
 
     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));
 
     //
     // Resources
     //
     m_urlCacheDbLocation->setMode(KoFileDialog::OpenDirectory);
     m_urlCacheDbLocation->setConfigurationName("cachedb_location");
     m_urlCacheDbLocation->setFileName(cfg.readEntry<QString>(KisResourceCacheDb::dbLocationKey, QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)));
 
     m_urlResourceFolder->setMode(KoFileDialog::OpenDirectory);
     m_urlResourceFolder->setConfigurationName("resource_directory");
     m_urlResourceFolder->setFileName(cfg.readEntry<QString>(KisResourceLocator::resourceLocationKey, QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)));
 }
 
 void GeneralTab::setDefault()
 {
     KisConfig cfg(true);
 
     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);
     chkHideAutosaveFiles->setChecked(true);
 
     m_undoStackSize->setValue(cfg.undoStackLimit(true));
 
     m_backupFileCheckBox->setChecked(cfg.backupFile(true));
     cmbBackupFileLocation->setCurrentIndex(0);
     txtBackupFileSuffix->setText("~");
     intNumBackupFiles->setValue(1);
 
     m_showOutlinePainting->setChecked(cfg.showOutlineWhilePainting(true));
     m_changeBrushOutline->setChecked(!cfg.forceAlwaysFullSizedOutline(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.fromXML(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_chkTrimKra->setChecked(cfg.trimKra(true));
     chkZip64->setChecked(cfg.useZip64(true));
     m_chkHiDPI->setChecked(false);
     m_chkHiDPI->setChecked(true);
 #ifdef HAVE_HIGH_DPI_SCALE_FACTOR_ROUNDING_POLICY
     m_chkHiDPIFractionalScaling->setChecked(true);
 #endif
     chkUsageLogging->setChecked(true);
     m_radioToolOptionsInDocker->setChecked(cfg.toolOptionsInDocker(true));
     cmbFlowMode->setCurrentIndex(0);
     m_groupBoxKineticScrollingSettings->setChecked(cfg.kineticScrollingEnabled(true));
     m_cmbKineticScrollingGesture->setCurrentIndex(cfg.kineticScrollingGesture(true));
     m_kineticScrollingSensitivitySlider->setValue(cfg.kineticScrollingSensitivity(true));
     m_chkKineticScrollingHideScrollbars->setChecked(cfg.kineticScrollingHiddenScrollbars(true));
     m_chkSwitchSelectionCtrlAlt->setChecked(cfg.switchSelectionCtrlAlt(true));
     chkEnableTouch->setChecked(!cfg.disableTouchOnCanvas(true));
     chkEnableTouchRotation->setChecked(!cfg.disableTouchRotation(true));
     chkEnableTranformToolAfterPaste->setChecked(cfg.activateTransformToolAfterPaste(true));
     m_chkConvertOnImport->setChecked(cfg.convertToImageColorspaceOnImport(true));
 
     KoColor cursorColor(KoColorSpaceRegistry::instance()->rgb8());
     cursorColor.fromQColor(cfg.getCursorMainColor(true));
     cursorColorBtutton->setColor(cursorColor);
 
     m_chkAutoPin->setChecked(cfg.autoPinLayersToTimeline(true));
 
     m_urlCacheDbLocation->setFileName(cfg.readEntry<QString>(KisResourceCacheDb::dbLocationKey, QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)));
     m_urlResourceFolder->setFileName(cfg.readEntry<QString>(KisResourceLocator::resourceLocationKey, QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)));
 }
 
 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::saveSessionOnQuit() const
 {
     return chkSaveSessionOnQuit->isChecked();
 }
 
 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();
 }
 
 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::trimKra()
 {
     return m_chkTrimKra->isChecked();
 }
 
 bool GeneralTab::useZip64()
 {
     return chkZip64->isChecked();
 }
 
 bool GeneralTab::toolOptionsInDocker()
 {
     return m_radioToolOptionsInDocker->isChecked();
 }
 
 bool GeneralTab::kineticScrollingEnabled()
 {
     return m_groupBoxKineticScrollingSettings->isChecked();
 }
 
 int GeneralTab::kineticScrollingGesture()
 {
     return m_cmbKineticScrollingGesture->currentIndex();
 }
 
 int GeneralTab::kineticScrollingSensitivity()
 {
     return m_kineticScrollingSensitivitySlider->value();
 }
 
 bool GeneralTab::kineticScrollingHiddenScrollbars()
 {
     return m_chkKineticScrollingHideScrollbars->isChecked();
 }
 
 bool GeneralTab::switchSelectionCtrlAlt()
 {
     return m_chkSwitchSelectionCtrlAlt->isChecked();
 }
 
 bool GeneralTab::convertToImageColorspaceOnImport()
 {
     return m_chkConvertOnImport->isChecked();
 }
 
 bool GeneralTab::autopinLayersToTimeline()
 {
     return m_chkAutoPin->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(true);
 
     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 < QGuiApplication::screens().count(); ++i) {
         QLabel *lbl = new QLabel(i18nc("The number of the screen", "Screen %1:", i + 1));
         m_monitorProfileLabels << lbl;
         KisSqueezedComboBox *cmb = new KisSqueezedComboBox();
         cmb->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
         monitorProfileGrid->addRow(lbl, cmb);
         m_monitorProfileWidgets << cmb;
     }
 
 // disable if not Linux as KisColorManager is not yet implemented outside Linux
 #ifndef Q_OS_LINUX
     m_page->chkUseSystemMonitorProfile->setChecked(false);
     m_page->chkUseSystemMonitorProfile->setDisabled(true);
     m_page->chkUseSystemMonitorProfile->setHidden(true);
 #endif
 
     refillMonitorProfiles(KoID("RGBA"));
 
     for(int i = 0; i < QApplication::screens().count(); ++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());
     m_page->chkForcePaletteColor->setChecked(cfg.forcePaletteColors());
     KisImageConfig cfgImage(true);
 
     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(true);
     refillMonitorProfiles(KoID("RGBA"));
 
     for(int i = 0; i < QApplication::screens().count(); ++i) {
         if (m_monitorProfileWidgets[i]->contains(cfg.monitorProfile(i))) {
             m_monitorProfileWidgets[i]->setCurrent(cfg.monitorProfile(i));
         }
     }
 
 }
 
 void ColorSettingsTab::toggleAllowMonitorProfileSelection(bool useSystemProfile)
 {
     KisConfig cfg(true);
 
     if (useSystemProfile) {
         QStringList devices = KisColorManager::instance()->devices();
         if (devices.size() == QApplication::screens().count()) {
             for(int i = 0; i < QApplication::screens().count(); ++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 {
         refillMonitorProfiles(KoID("RGBA"));
 
         for(int i = 0; i < QApplication::screens().count(); ++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(true);
     KisImageConfig cfgImage(true);
     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->chkForcePaletteColor->setChecked(cfg.forcePaletteColors(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::screens().count(); ++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::screens().count(); ++i) {
                 m_monitorProfileWidgets[i]->addSqueezedItem(profile->name());
             }
         }
     }
 
     for (int i = 0; i < QApplication::screens().count(); ++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);
 
     m_page->chkUseRightMiddleClickWorkaround->setChecked(
         KisConfig(true).useRightMiddleTabletButtonWorkaround(true));
 
 #if defined Q_OS_WIN && (!defined USE_QT_TABLET_WINDOWS || defined QT_HAS_WINTAB_SWITCH)
 
 #ifdef USE_QT_TABLET_WINDOWS
     // ask Qt if WinInk is actually available
     const bool isWinInkAvailable = true;
 #else
     const bool isWinInkAvailable = KisTabletSupportWin8::isAvailable();
 #endif
     if (isWinInkAvailable) {
         KisConfig cfg(true);
         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);
     }
 #else
         m_page->grpTabletApi->setVisible(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(true);
     KisCubicCurve curve;
     curve.fromString( cfg.pressureTabletCurve() );
 
     m_page->pressureCurve->setMaximumSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
     m_page->pressureCurve->setCurve(curve);
 
     m_page->chkUseRightMiddleClickWorkaround->setChecked(
          cfg.useRightMiddleTabletButtonWorkaround());
 
+    //
+    connect(m_page->pressure_callibration, SIGNAL(callibrationDone()), this, SLOT(slotSetPressureCurve()));
+
 #if defined Q_OS_WIN && (!defined USE_QT_TABLET_WINDOWS || defined QT_HAS_WINTAB_SWITCH)
 #ifdef USE_QT_TABLET_WINDOWS
     // ask Qt if WinInk is actually available
     const bool isWinInkAvailable = true;
 #else
     const bool isWinInkAvailable = KisTabletSupportWin8::isAvailable();
 #endif
     if (isWinInkAvailable) {
         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);
     }
 
 #ifdef USE_QT_TABLET_WINDOWS
     connect(m_page->btnResolutionSettings, SIGNAL(clicked()), SLOT(slotResolutionSettings()));
     connect(m_page->radioWintab, SIGNAL(toggled(bool)), m_page->btnResolutionSettings, SLOT(setEnabled(bool)));
     m_page->btnResolutionSettings->setEnabled(m_page->radioWintab->isChecked());
 #else
     m_page->btnResolutionSettings->setVisible(false);
 #endif
 
 #else
     m_page->grpTabletApi->setVisible(false);
 #endif
     connect(m_page->btnTabletTest, SIGNAL(clicked()), SLOT(slotTabletTest()));
 }
 
 void TabletSettingsTab::slotTabletTest()
 {
     TabletTestDialog tabletTestDialog(this);
     tabletTestDialog.exec();
 }
 
 #if defined Q_OS_WIN && defined USE_QT_TABLET_WINDOWS
 #include "KisDlgCustomTabletResolution.h"
 #endif
 
 void TabletSettingsTab::slotResolutionSettings()
 {
 #if defined Q_OS_WIN && defined USE_QT_TABLET_WINDOWS
     KisDlgCustomTabletResolution dlg(this);
     dlg.exec();
 #endif
 }
 
+void TabletSettingsTab::slotSetPressureCurve()
+{
+    KisCubicCurve curve(m_page->pressure_callibration->callibrationInfo());
+    m_page->pressureCurve->setCurve(curve);
+}
+
 
 //---------------------------------------------------------------------------------------------------
 #include "kis_acyclic_signal_connector.h"
 
 int getTotalRAM()
 {
     return KisImageConfig(true).totalRAM();
 }
 
 int PerformanceTab::realTilesRAM()
 {
     return intMemoryLimit->value() - intPoolLimit->value();
 }
 
 PerformanceTab::PerformanceTab(QWidget *parent, const char *name)
     : WdgPerformanceSettings(parent, name)
 {
     KisImageConfig cfg(true);
     const double totalRAM = cfg.totalRAM();
     lblTotalMemory->setText(KFormat().formatByteSize(totalRAM * 1024 * 1024, 0, KFormat::IECBinaryDialect, KFormat::UnitMegaByte));
 
     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()));
     connect(intMemoryLimit, 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, 300);
     sliderFpsLimit->setSuffix(i18n(" fps"));
 
     connect(sliderThreadsLimit, SIGNAL(valueChanged(int)), SLOT(slotThreadsLimitChanged(int)));
     connect(sliderFrameClonesLimit, SIGNAL(valueChanged(int)), SLOT(slotFrameClonesLimitChanged(int)));
 
     intCachedFramesSizeLimit->setRange(1, 10000);
     intCachedFramesSizeLimit->setSuffix(i18n(" px"));
     intCachedFramesSizeLimit->setSingleStep(1);
     intCachedFramesSizeLimit->setPageStep(1000);
 
     intRegionOfInterestMargin->setRange(1, 100);
     intRegionOfInterestMargin->setSuffix(i18n(" %"));
     intRegionOfInterestMargin->setSingleStep(1);
     intRegionOfInterestMargin->setPageStep(10);
 
     connect(chkCachedFramesSizeLimit, SIGNAL(toggled(bool)), intCachedFramesSizeLimit, SLOT(setEnabled(bool)));
     connect(chkUseRegionOfInterest, SIGNAL(toggled(bool)), intRegionOfInterestMargin, SLOT(setEnabled(bool)));
 
 #ifndef Q_OS_WIN
     // AVX workaround is needed on Windows+GCC only
     chkDisableAVXOptimizations->setVisible(false);
 #endif
 
     load(false);
 }
 
 PerformanceTab::~PerformanceTab()
 {
     qDeleteAll(m_syncs);
 }
 
 void PerformanceTab::load(bool requestDefault)
 {
     KisImageConfig cfg(true);
 
     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(true);
         chkOpenGLFramerateLogging->setChecked(cfg2.enableOpenGLFramerateLogging(requestDefault));
         chkBrushSpeedLogging->setChecked(cfg2.enableBrushSpeedLogging(requestDefault));
         chkDisableVectorOptimizations->setChecked(cfg2.enableAmdVectorizationWorkaround(requestDefault));
 #ifdef Q_OS_WIN
         chkDisableAVXOptimizations->setChecked(cfg2.disableAVXOptimizations(requestDefault));
 #endif
         chkBackgroundCacheGeneration->setChecked(cfg2.calculateAnimationCacheInBackground(requestDefault));
     }
 
     if (cfg.useOnDiskAnimationCacheSwapping(requestDefault)) {
         optOnDisk->setChecked(true);
     } else {
         optInMemory->setChecked(true);
     }
 
     chkCachedFramesSizeLimit->setChecked(cfg.useAnimationCacheFrameSizeLimit(requestDefault));
     intCachedFramesSizeLimit->setValue(cfg.animationCacheFrameSizeLimit(requestDefault));
     intCachedFramesSizeLimit->setEnabled(chkCachedFramesSizeLimit->isChecked());
 
     chkUseRegionOfInterest->setChecked(cfg.useAnimationCacheRegionOfInterest(requestDefault));
     intRegionOfInterestMargin->setValue(cfg.animationCacheRegionOfInterestMargin(requestDefault) * 100.0);
     intRegionOfInterestMargin->setEnabled(chkUseRegionOfInterest->isChecked());
 }
 
 void PerformanceTab::save()
 {
     KisImageConfig cfg(false);
 
     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(true);
         cfg2.setEnableOpenGLFramerateLogging(chkOpenGLFramerateLogging->isChecked());
         cfg2.setEnableBrushSpeedLogging(chkBrushSpeedLogging->isChecked());
         cfg2.setEnableAmdVectorizationWorkaround(chkDisableVectorOptimizations->isChecked());
 #ifdef Q_OS_WIN
         cfg2.setDisableAVXOptimizations(chkDisableAVXOptimizations->isChecked());
 #endif
         cfg2.setCalculateAnimationCacheInBackground(chkBackgroundCacheGeneration->isChecked());
     }
 
     cfg.setUseOnDiskAnimationCacheSwapping(optOnDisk->isChecked());
 
     cfg.setUseAnimationCacheFrameSizeLimit(chkCachedFramesSizeLimit->isChecked());
     cfg.setAnimationCacheFrameSizeLimit(intCachedFramesSizeLimit->value());
 
     cfg.setUseAnimationCacheRegionOfInterest(chkUseRegionOfInterest->isChecked());
     cfg.setAnimationCacheRegionOfInterestMargin(intRegionOfInterestMargin->value() / 100.0);
 
 }
 
 void PerformanceTab::selectSwapDir()
 {
     KisImageConfig cfg(true);
     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"
 #include "opengl/KisOpenGLModeProber.h"
 #include "opengl/KisScreenInformationAdapter.h"
 #include <QOpenGLContext>
 #include <QScreen>
 
 QString colorSpaceString(KisSurfaceColorSpace cs, int depth)
 {
     const QString csString =
 #ifdef HAVE_HDR
         cs == KisSurfaceColorSpace::bt2020PQColorSpace ? "Rec. 2020 PQ" :
         cs == KisSurfaceColorSpace::scRGBColorSpace ? "Rec. 709 Linear" :
 #endif
         cs == KisSurfaceColorSpace::sRGBColorSpace ? "sRGB" :
         cs == KisSurfaceColorSpace::DefaultColorSpace ? "sRGB" :
         "Unknown Color Space";
 
     return QString("%1 (%2 bit)").arg(csString).arg(depth);
 }
 
 int formatToIndex(KisConfig::RootSurfaceFormat fmt)
 {
     return fmt == KisConfig::BT2020_PQ ? 1 :
            fmt == KisConfig::BT709_G10 ? 2 :
            0;
 }
 
 KisConfig::RootSurfaceFormat indexToFormat(int value)
 {
     return value == 1 ? KisConfig::BT2020_PQ :
            value == 2 ? KisConfig::BT709_G10 :
            KisConfig::BT709_G22;
 }
 
 DisplaySettingsTab::DisplaySettingsTab(QWidget *parent, const char *name)
     : WdgDisplaySettings(parent, name)
 {
     KisConfig cfg(true);
 
     const QString rendererOpenGLText = i18nc("canvas renderer", "OpenGL");
     const QString rendererSoftwareText = i18nc("canvas renderer", "Software Renderer (very slow)");
 #ifdef Q_OS_WIN
     const QString rendererOpenGLESText = i18nc("canvas renderer", "Direct3D 11 via ANGLE");
 #else
     const QString rendererOpenGLESText = i18nc("canvas renderer", "OpenGL ES");
 #endif
 
     const KisOpenGL::OpenGLRenderer renderer = KisOpenGL::getCurrentOpenGLRenderer();
     lblCurrentRenderer->setText(renderer == KisOpenGL::RendererOpenGLES ? rendererOpenGLESText :
                                 renderer == KisOpenGL::RendererDesktopGL ? rendererOpenGLText :
                                 renderer == KisOpenGL::RendererSoftware ? rendererSoftwareText :
                                 i18nc("canvas renderer", "Unknown"));
 
     cmbPreferredRenderer->clear();
 
     const KisOpenGL::OpenGLRenderers supportedRenderers = KisOpenGL::getSupportedOpenGLRenderers();
     const bool onlyOneRendererSupported =
         supportedRenderers == KisOpenGL::RendererDesktopGL ||
         supportedRenderers == KisOpenGL::RendererOpenGLES ||
         supportedRenderers == KisOpenGL::RendererSoftware;
 
 
     if (!onlyOneRendererSupported) {
         QString qtPreferredRendererText;
         if (KisOpenGL::getQtPreferredOpenGLRenderer() == KisOpenGL::RendererOpenGLES) {
             qtPreferredRendererText = rendererOpenGLESText;
         } else if (KisOpenGL::getQtPreferredOpenGLRenderer() == KisOpenGL::RendererSoftware) {
             qtPreferredRendererText = rendererSoftwareText;
         } else {
             qtPreferredRendererText = rendererOpenGLText;
         }
         cmbPreferredRenderer->addItem(i18nc("canvas renderer", "Auto (%1)", qtPreferredRendererText), KisOpenGL::RendererAuto);
         cmbPreferredRenderer->setCurrentIndex(0);
     } else {
         cmbPreferredRenderer->setEnabled(false);
     }
 
     if (supportedRenderers & KisOpenGL::RendererDesktopGL) {
         cmbPreferredRenderer->addItem(rendererOpenGLText, KisOpenGL::RendererDesktopGL);
         if (KisOpenGL::getUserPreferredOpenGLRendererConfig() == KisOpenGL::RendererDesktopGL) {
             cmbPreferredRenderer->setCurrentIndex(cmbPreferredRenderer->count() - 1);
         }
     }
 
 #ifdef Q_OS_ANDROID
     if (onlyOneRendererSupported) {
         if (KisOpenGL::getQtPreferredOpenGLRenderer() == KisOpenGL::RendererOpenGLES) {
             cmbPreferredRenderer->addItem(rendererOpenGLESText, KisOpenGL::RendererOpenGLES);
             cmbPreferredRenderer->setCurrentIndex(0);
         }
     }
 #endif
 
 #ifdef Q_OS_WIN
     if (supportedRenderers & KisOpenGL::RendererOpenGLES) {
         cmbPreferredRenderer->addItem(rendererOpenGLESText, KisOpenGL::RendererOpenGLES);
         if (KisOpenGL::getUserPreferredOpenGLRendererConfig() == KisOpenGL::RendererOpenGLES) {
             cmbPreferredRenderer->setCurrentIndex(cmbPreferredRenderer->count() - 1);
         }
     }
     if (supportedRenderers & KisOpenGL::RendererSoftware) {
         cmbPreferredRenderer->addItem(rendererSoftwareText, KisOpenGL::RendererSoftware);
         if (KisOpenGL::getUserPreferredOpenGLRendererConfig() == KisOpenGL::RendererSoftware) {
             cmbPreferredRenderer->setCurrentIndex(cmbPreferredRenderer->count() - 1);
         }
     }
 #endif
 
     if (!(supportedRenderers &
           (KisOpenGL::RendererDesktopGL |
            KisOpenGL::RendererOpenGLES |
            KisOpenGL::RendererSoftware))) {
 
         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);
         }
     }
 
     lblCurrentDisplayFormat->setText("");
     lblCurrentRootSurfaceFormat->setText("");
     lblHDRWarning->setText("");
     cmbPreferedRootSurfaceFormat->addItem(colorSpaceString(KisSurfaceColorSpace::sRGBColorSpace, 8));
 #ifdef HAVE_HDR
     cmbPreferedRootSurfaceFormat->addItem(colorSpaceString(KisSurfaceColorSpace::bt2020PQColorSpace, 10));
     cmbPreferedRootSurfaceFormat->addItem(colorSpaceString(KisSurfaceColorSpace::scRGBColorSpace, 16));
 #endif
     cmbPreferedRootSurfaceFormat->setCurrentIndex(formatToIndex(KisConfig::BT709_G22));
     slotPreferredSurfaceFormatChanged(cmbPreferedRootSurfaceFormat->currentIndex());
 
     QOpenGLContext *context = QOpenGLContext::currentContext();
 
     if (!context) {
         context = QOpenGLContext::globalShareContext();
     }
 
     if (context) {
 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         QScreen *screen = QGuiApplication::screenAt(rect().center());
 #else
         QScreen *screen = 0;
 #endif
         KisScreenInformationAdapter adapter(context);
         if (screen && adapter.isValid()) {
             KisScreenInformationAdapter::ScreenInfo info = adapter.infoForScreen(screen);
             if (info.isValid()) {
                 QStringList toolTip;
 
                 toolTip << i18n("Display Id: %1", info.screen->name());
                 toolTip << i18n("Display Name: %1 %2", info.screen->manufacturer(), info.screen->model());
                 toolTip << i18n("Min Luminance: %1", info.minLuminance);
                 toolTip << i18n("Max Luminance: %1", info.maxLuminance);
                 toolTip << i18n("Max Full Frame Luminance: %1", info.maxFullFrameLuminance);
                 toolTip << i18n("Red Primary: %1, %2", info.redPrimary[0], info.redPrimary[1]);
                 toolTip << i18n("Green Primary: %1, %2", info.greenPrimary[0], info.greenPrimary[1]);
                 toolTip << i18n("Blue Primary: %1, %2", info.bluePrimary[0], info.bluePrimary[1]);
                 toolTip << i18n("White Point: %1, %2", info.whitePoint[0], info.whitePoint[1]);
 
                 lblCurrentDisplayFormat->setToolTip(toolTip.join('\n'));
                 lblCurrentDisplayFormat->setText(colorSpaceString(info.colorSpace, info.bitsPerColor));
             } else {
                 lblCurrentDisplayFormat->setToolTip("");
                 lblCurrentDisplayFormat->setText(i18n("Unknown"));
             }
         } else {
             lblCurrentDisplayFormat->setToolTip("");
             lblCurrentDisplayFormat->setText(i18n("Unknown"));
             qWarning() << "Failed to fetch display info:" << adapter.errorString();
         }
 
         const QSurfaceFormat currentFormat = KisOpenGLModeProber::instance()->surfaceformatInUse();
 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         KisSurfaceColorSpace colorSpace = currentFormat.colorSpace();
 #else
         KisSurfaceColorSpace colorSpace = KisSurfaceColorSpace::DefaultColorSpace;
 #endif
         lblCurrentRootSurfaceFormat->setText(colorSpaceString(colorSpace, currentFormat.redBufferSize()));
         cmbPreferedRootSurfaceFormat->setCurrentIndex(formatToIndex(cfg.rootSurfaceFormat()));
         connect(cmbPreferedRootSurfaceFormat, SIGNAL(currentIndexChanged(int)), SLOT(slotPreferredSurfaceFormatChanged(int)));
         slotPreferredSurfaceFormatChanged(cmbPreferedRootSurfaceFormat->currentIndex());
     }
 
 #ifndef HAVE_HDR
     grpHDRSettings->setVisible(false);
     tabWidget->removeTab(tabWidget->indexOf(tabHDR));
 #endif
 
     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);
     }
 
     KisImageConfig imageCfg(false);
 
     KoColor c;
     c.fromQColor(imageCfg.selectionOverlayMaskColor());
     c.setOpacity(1.0);
     btnSelectionOverlayColor->setColor(c);
     sldSelectionOverlayOpacity->setRange(0.0, 1.0, 2);
     sldSelectionOverlayOpacity->setSingleStep(0.05);
     sldSelectionOverlayOpacity->setValue(imageCfg.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(true);
     cmbPreferredRenderer->setCurrentIndex(0);
     if (!(KisOpenGL::getSupportedOpenGLRenderers() &
             (KisOpenGL::RendererDesktopGL | KisOpenGL::RendererOpenGLES))) {
         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));
 
     KisImageConfig imageCfg(false);
     KoColor c;
     c.fromQColor(imageCfg.selectionOverlayMaskColor(true));
     c.setOpacity(1.0);
     btnSelectionOverlayColor->setColor(c);
     sldSelectionOverlayOpacity->setValue(imageCfg.selectionOverlayMaskColor(true).alphaF());
 
     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);
 
     cmbPreferedRootSurfaceFormat->setCurrentIndex(formatToIndex(KisConfig::BT709_G22));
     slotPreferredSurfaceFormatChanged(cmbPreferedRootSurfaceFormat->currentIndex());
 }
 
 void DisplaySettingsTab::slotUseOpenGLToggled(bool isChecked)
 {
     chkUseTextureBuffer->setEnabled(isChecked);
     chkDisableVsync->setEnabled(isChecked);
     cmbFilterMode->setEnabled(isChecked);
 }
 
 void DisplaySettingsTab::slotPreferredSurfaceFormatChanged(int index)
 {
     Q_UNUSED(index);
 
     QOpenGLContext *context = QOpenGLContext::currentContext();
     if (context) {
 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         QScreen *screen = QGuiApplication::screenAt(rect().center());
 #else
         QScreen *screen = 0;
 #endif
         KisScreenInformationAdapter adapter(context);
         if (adapter.isValid()) {
             KisScreenInformationAdapter::ScreenInfo info = adapter.infoForScreen(screen);
             if (info.isValid()) {
                 if (cmbPreferedRootSurfaceFormat->currentIndex() != formatToIndex(KisConfig::BT709_G22) &&
                     info.colorSpace == KisSurfaceColorSpace::sRGBColorSpace) {
                     lblHDRWarning->setText(i18n("WARNING: current display doesn't support HDR rendering"));
                 } else {
                     lblHDRWarning->setText("");
                 }
             }
         }
     }
 }
 
 //---------------------------------------------------------------------------------------------------
 FullscreenSettingsTab::FullscreenSettingsTab(QWidget* parent) : WdgFullscreenSettingsBase(parent)
 {
     KisConfig cfg(true);
 
     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(true);
     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);
 
     setFaceType(KPageDialog::List);
 
     // 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"));
     m_pages << page;
     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"));
     m_pages << page;
     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"));
     m_pages << page;
 
     // Display
     vbox = new KoVBox();
     page = new KPageWidgetItem(vbox, i18n("Display"));
     page->setObjectName("display");
     page->setHeader(i18n("Display"));
     page->setIcon(KisIconUtils::loadIcon("preferences-desktop-display"));
     m_pages << page;
     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"));
     m_pages << page;
     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"));
     m_pages << page;
     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"));
     m_pages << page;
     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"));
     m_pages << page;
     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"));
     m_pages << page;
 
     QPushButton *restoreDefaultsButton = button(QDialogButtonBox::RestoreDefaults);
     restoreDefaultsButton->setText(i18nc("@action:button", "Restore Defaults"));
 
     connect(this, SIGNAL(accepted()), m_inputConfiguration, SLOT(saveChanges()));
     connect(this, SIGNAL(rejected()), m_inputConfiguration, SLOT(revertChanges()));
 
     KisPreferenceSetRegistry *preferenceSetRegistry = KisPreferenceSetRegistry::instance();
     QStringList keys = preferenceSetRegistry->keys();
     keys.sort();
     Q_FOREACH(const QString &key, keys) {
         KisAbstractPreferenceSetFactory *preferenceSetFactory = preferenceSetRegistry->value(key);
         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()));
 
     KisConfig cfg(true);
     QString currentPageName = cfg.readEntry<QString>("KisDlgPreferences/CurrentPage");
     Q_FOREACH(KPageWidgetItem *page, m_pages) {
         if (page->objectName() == currentPageName) {
             setCurrentPage(page);
             break;
         }
     }
 }
 
 KisDlgPreferences::~KisDlgPreferences()
 {
     KisConfig cfg(true);
     cfg.writeEntry<QString>("KisDlgPreferences/CurrentPage", currentPage()->objectName());
 }
 
 void KisDlgPreferences::showEvent(QShowEvent *event){
     KPageDialog::showEvent(event);
     button(QDialogButtonBox::Cancel)->setAutoDefault(false);
     button(QDialogButtonBox::Ok)->setAutoDefault(false);
     button(QDialogButtonBox::RestoreDefaults)->setAutoDefault(false);
     button(QDialogButtonBox::Cancel)->setDefault(false);
     button(QDialogButtonBox::Ok)->setDefault(false);
     button(QDialogButtonBox::RestoreDefaults)->setDefault(false);
 }
 
 void KisDlgPreferences::slotButtonClicked(QAbstractButton *button)
 {
     if (buttonBox()->buttonRole(button) == QDialogButtonBox::RejectRole) {
         m_cancelClicked = true;
     }
 }
 
 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()
 {
     connect(this->buttonBox(), SIGNAL(clicked(QAbstractButton*)), this, SLOT(slotButtonClicked(QAbstractButton*)));
 
     int retval = exec();
     Q_UNUSED(retval)
 
     if (!m_cancelClicked) {
         // General settings
         KisConfig cfg(false);
         cfg.setNewCursorStyle(m_general->cursorStyle());
         cfg.setNewOutlineStyle(m_general->outlineStyle());
         cfg.setShowRootLayer(m_general->showRootLayer());
         cfg.setShowOutlineWhilePainting(m_general->showOutlineWhilePainting());
         cfg.setForceAlwaysFullSizedOutline(!m_general->m_changeBrushOutline->isChecked());
         cfg.setSessionOnStartup(m_general->sessionOnStartup());
         cfg.setSaveSessionOnQuit(m_general->saveSessionOnQuit());
 
         KConfigGroup group = KSharedConfig::openConfig()->group("File Dialogs");
         group.writeEntry("DontUseNativeFileDialog", !m_general->m_chkNativeFileDialog->isChecked());
 
         cfg.writeEntry<int>("maximumBrushSize", m_general->intMaxBrushSize->value());
 
         cfg.writeEntry<int>("mdi_viewmode", m_general->mdiMode());
         cfg.setMDIBackgroundColor(m_general->m_mdiColor->color().toXML());
         cfg.setMDIBackgroundImage(m_general->m_backgroundimage->text());
         cfg.setAutoSaveInterval(m_general->autoSaveInterval());
         cfg.writeEntry("autosavefileshidden", m_general->chkHideAutosaveFiles->isChecked());
 
         cfg.setBackupFile(m_general->m_backupFileCheckBox->isChecked());
         cfg.writeEntry("backupfilelocation", m_general->cmbBackupFileLocation->currentIndex());
         cfg.writeEntry("backupfilesuffix", m_general->txtBackupFileSuffix->text());
         cfg.writeEntry("numberofbackupfiles", m_general->intNumBackupFiles->value());
 
 
         cfg.setShowCanvasMessages(m_general->showCanvasMessages());
         cfg.setCompressKra(m_general->compressKra());
         cfg.setTrimKra(m_general->trimKra());
         cfg.setUseZip64(m_general->useZip64());
 
         const QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
         QSettings kritarc(configPath + QStringLiteral("/kritadisplayrc"), QSettings::IniFormat);
         kritarc.setValue("EnableHiDPI", m_general->m_chkHiDPI->isChecked());
 #ifdef HAVE_HIGH_DPI_SCALE_FACTOR_ROUNDING_POLICY
         kritarc.setValue("EnableHiDPIFractionalScaling", m_general->m_chkHiDPIFractionalScaling->isChecked());
 #endif
         kritarc.setValue("LogUsage", m_general->chkUsageLogging->isChecked());
 
         cfg.setToolOptionsInDocker(m_general->toolOptionsInDocker());
 
         cfg.writeEntry<bool>("useCreamyAlphaDarken", (bool)!m_general->cmbFlowMode->currentIndex());
 
         cfg.setKineticScrollingEnabled(m_general->kineticScrollingEnabled());
         cfg.setKineticScrollingGesture(m_general->kineticScrollingGesture());
         cfg.setKineticScrollingSensitivity(m_general->kineticScrollingSensitivity());
         cfg.setKineticScrollingHideScrollbars(m_general->kineticScrollingHiddenScrollbars());
 
         cfg.setSwitchSelectionCtrlAlt(m_general->switchSelectionCtrlAlt());
         cfg.setDisableTouchOnCanvas(!m_general->chkEnableTouch->isChecked());
         cfg.setDisableTouchRotation(!m_general->chkEnableTouchRotation->isChecked());
         cfg.setActivateTransformToolAfterPaste(m_general->chkEnableTranformToolAfterPaste->isChecked());
         cfg.setConvertToImageColorspaceOnImport(m_general->convertToImageColorspaceOnImport());
         cfg.setUndoStackLimit(m_general->undoStackSize());
         cfg.setFavoritePresets(m_general->favoritePresets());
 
         cfg.setAutoPinLayersToTimeline(m_general->autopinLayersToTimeline());
 
         cfg.writeEntry(KisResourceCacheDb::dbLocationKey, m_general->m_urlCacheDbLocation->fileName());
         cfg.writeEntry(KisResourceLocator::resourceLocationKey, m_general->m_urlResourceFolder->fileName());
 
         // Color settings
         cfg.setUseSystemMonitorProfile(m_colorSettings->m_page->chkUseSystemMonitorProfile->isChecked());
         for (int i = 0; i < QApplication::screens().count(); ++i) {
             if (m_colorSettings->m_page->chkUseSystemMonitorProfile->isChecked()) {
                 int currentIndex = m_colorSettings->m_monitorProfileWidgets[i]->currentIndex();
                 QString monitorid = m_colorSettings->m_monitorProfileWidgets[i]->itemData(currentIndex).toString();
                 cfg.setMonitorForScreen(i, monitorid);
             }
             else {
                 cfg.setMonitorProfile(i,
                                       m_colorSettings->m_monitorProfileWidgets[i]->currentUnsqueezedText(),
                                       m_colorSettings->m_page->chkUseSystemMonitorProfile->isChecked());
             }
         }
         cfg.setWorkingColorSpace(m_colorSettings->m_page->cmbWorkingColorSpace->currentItem().id());
 
         KisImageConfig cfgImage(false);
         cfgImage.setDefaultProofingConfig(m_colorSettings->m_page->proofingSpaceSelector->currentColorSpace(),
                                           m_colorSettings->m_page->cmbProofingIntent->currentIndex(),
                                           m_colorSettings->m_page->ckbProofBlackPoint->isChecked(),
                                           m_colorSettings->m_page->gamutAlarm->color(),
                                           (double)m_colorSettings->m_page->sldAdaptationState->value()/20);
         cfg.setUseBlackPointCompensation(m_colorSettings->m_page->chkBlackpoint->isChecked());
         cfg.setAllowLCMSOptimization(m_colorSettings->m_page->chkAllowLCMSOptimization->isChecked());
         cfg.setForcePaletteColors(m_colorSettings->m_page->chkForcePaletteColor->isChecked());
         cfg.setPasteBehaviour(m_colorSettings->m_pasteBehaviourGroup.checkedId());
         cfg.setRenderIntent(m_colorSettings->m_page->cmbMonitorIntent->currentIndex());
 
         // Tablet settings
         cfg.setPressureTabletCurve( m_tabletSettings->m_page->pressureCurve->curve().toString() );
         cfg.setUseRightMiddleTabletButtonWorkaround(
             m_tabletSettings->m_page->chkUseRightMiddleClickWorkaround->isChecked());
 
 #if defined Q_OS_WIN && (!defined USE_QT_TABLET_WINDOWS || defined QT_HAS_WINTAB_SWITCH)
 #ifdef USE_QT_TABLET_WINDOWS
         // ask Qt if WinInk is actually available
         const bool isWinInkAvailable = true;
 #else
         const bool isWinInkAvailable = KisTabletSupportWin8::isAvailable();
 #endif
         if (isWinInkAvailable) {
             cfg.setUseWin8PointerInput(m_tabletSettings->m_page->radioWin8PointerInput->isChecked());
         }
 #endif
 
         m_performanceSettings->save();
 
         if (!cfg.useOpenGL() && m_displaySettings->grpOpenGL->isChecked())
             cfg.setCanvasState("TRY_OPENGL");
 
         if (m_displaySettings->grpOpenGL->isChecked()) {
             KisOpenGL::OpenGLRenderer renderer = static_cast<KisOpenGL::OpenGLRenderer>(
                     m_displaySettings->cmbPreferredRenderer->itemData(
                             m_displaySettings->cmbPreferredRenderer->currentIndex()).toInt());
             KisOpenGL::setUserPreferredOpenGLRendererConfig(renderer);
         } else {
             KisOpenGL::setUserPreferredOpenGLRendererConfig(KisOpenGL::RendererNone);
         }
 
         cfg.setUseOpenGLTextureBuffer(m_displaySettings->chkUseTextureBuffer->isChecked());
         cfg.setOpenGLFilteringMode(m_displaySettings->cmbFilterMode->currentIndex());
         cfg.setDisableVSync(m_displaySettings->chkDisableVsync->isChecked());
         cfg.setRootSurfaceFormat(&kritarc, indexToFormat(m_displaySettings->cmbPreferedRootSurfaceFormat->currentIndex()));
 
         cfg.setCheckSize(m_displaySettings->intCheckSize->value());
         cfg.setScrollingCheckers(m_displaySettings->chkMoving->isChecked());
         cfg.setCheckersColor1(m_displaySettings->colorChecks1->color().toQColor());
         cfg.setCheckersColor2(m_displaySettings->colorChecks2->color().toQColor());
         cfg.setCanvasBorderColor(m_displaySettings->canvasBorder->color().toQColor());
         cfg.setHideScrollbars(m_displaySettings->hideScrollbars->isChecked());
         KoColor c = m_displaySettings->btnSelectionOverlayColor->color();
         c.setOpacity(m_displaySettings->sldSelectionOverlayOpacity->value());
         cfgImage.setSelectionOverlayMaskColor(c.toQColor());
         cfg.setAntialiasCurves(m_displaySettings->chkCurveAntialiasing->isChecked());
         cfg.setAntialiasSelectionOutline(m_displaySettings->chkSelectionOutlineAntialiasing->isChecked());
         cfg.setShowSingleChannelAsColor(m_displaySettings->chkChannelsAsColor->isChecked());
         cfg.setHidePopups(m_displaySettings->chkHidePopups->isChecked());
 
         cfg.setHideDockersFullscreen(m_fullscreenSettings->chkDockers->checkState());
         cfg.setHideMenuFullscreen(m_fullscreenSettings->chkMenu->checkState());
         cfg.setHideScrollbarsFullscreen(m_fullscreenSettings->chkScrollbars->checkState());
         cfg.setHideStatusbarFullscreen(m_fullscreenSettings->chkStatusbar->checkState());
         cfg.setHideTitlebarFullscreen(m_fullscreenSettings->chkTitlebar->checkState());
         cfg.setHideToolbarFullscreen(m_fullscreenSettings->chkToolbar->checkState());
 
         cfg.setCursorMainColor(m_general->cursorColorBtutton->color().toQColor());
         cfg.setPixelGridColor(m_displaySettings->pixelGridColorButton->color().toQColor());
         cfg.setPixelGridDrawingThreshold(m_displaySettings->pixelGridDrawingThresholdBox->value() / 100);
 
         m_authorPage->apply();
 
         cfg.logImportantSettings();
 
     }
 
     return !m_cancelClicked;
 }
 
diff --git a/libs/ui/dialogs/kis_dlg_preferences.h b/libs/ui/dialogs/kis_dlg_preferences.h
index b51e9e9fa1..7c1cc4a2b2 100644
--- a/libs/ui/dialogs/kis_dlg_preferences.h
+++ b/libs/ui/dialogs/kis_dlg_preferences.h
@@ -1,359 +1,360 @@
 /*
  *  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 <QButtonGroup>
 #include <QMap>
 #include <QString>
 
 #include <kpagedialog.h>
 #include <kis_config.h>
 
 #include "kis_global.h"
 #include <KisSqueezedComboBox.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 saveSessionOnQuit() const;
 
     bool showRootLayer();
     int autoSaveInterval();
     void setDefault();
     int undoStackSize();
     bool showOutlineWhilePainting();
 
     int mdiMode();
     int favoritePresets();
     bool showCanvasMessages();
     bool compressKra();
     bool trimKra();
     bool useZip64();
     bool toolOptionsInDocker();
     bool kineticScrollingEnabled();
     int kineticScrollingGesture();
     int kineticScrollingSensitivity();
     bool kineticScrollingHiddenScrollbars();
     bool switchSelectionCtrlAlt();
     bool convertToImageColorspaceOnImport();
     bool autopinLayersToTimeline();
 
 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<KisSqueezedComboBox*> 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);
 
 private Q_SLOTS:
     void slotTabletTest();
     void slotResolutionSettings();
+    void slotSetPressureCurve();
 
 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);
     void slotPreferredSurfaceFormatChanged(int index);
 
 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:
 
     KisDlgPreferences(QWidget *parent = 0, const char *name = 0);
     ~KisDlgPreferences() override;
 
     bool editPreferences();
 
     void showEvent(QShowEvent *event) override;
 
 private:
 
     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;
 
     QList<KPageWidgetItem*> m_pages;
 
 private Q_SLOTS:
 
     void slotButtonClicked(QAbstractButton *button);
     void slotDefault();
 
 private:
 
     bool m_cancelClicked {false};
 };
 
 #endif
diff --git a/libs/ui/forms/wdgtabletsettings.ui b/libs/ui/forms/wdgtabletsettings.ui
index 5acb928fd4..d677281206 100644
--- a/libs/ui/forms/wdgtabletsettings.ui
+++ b/libs/ui/forms/wdgtabletsettings.ui
@@ -1,244 +1,266 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>WdgTabletSettings</class>
  <widget class="QWidget" name="WdgTabletSettings">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>569</width>
-    <height>461</height>
+    <width>778</width>
+    <height>554</height>
    </rect>
   </property>
   <property name="sizePolicy">
    <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
   </property>
   <property name="windowTitle">
    <string>Color Settings</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="5" column="0">
     <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>
+   <item row="3" column="0">
+    <widget class="QCheckBox" name="chkUseRightMiddleClickWorkaround">
+     <property name="toolTip">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Some tablet devices don't pass barrel-button clicks via tablet API. If you have such a device, you can try activate this workaround. Krita will try to read right- and middle-button clicks from the mouse events stream. It may or may not work on your device (depends on the tablet driver implementation).&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;After changing this option Krita should be restarted.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="text">
+      <string>Use mouse events for right- and middle-clicks (workaround for convertible devices, needs restart)</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0" colspan="2">
+    <widget class="QGroupBox" name="grpTabletApi">
+     <property name="title">
+      <string>Tablet Input API (changing this requires restarting Krita)</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_2">
+        <item>
+         <widget class="QRadioButton" name="radioWintab">
+          <property name="text">
+           <string>WinTab</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer_3">
+          <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="btnResolutionSettings">
+          <property name="text">
+           <string>Advanced...</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <widget class="QRadioButton" name="radioWin8PointerInput">
+        <property name="text">
+         <string>Windows 8+ Pointer Input (Windows Ink)</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
    <item row="1" column="1">
     <spacer name="horizontalSpacer_2">
      <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 row="1" column="0">
     <layout class="QGridLayout" name="gridLayout">
      <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>
      <property name="spacing">
       <number>10</number>
      </property>
      <item row="0" column="0">
       <widget class="KisCurveWidget" name="pressureCurve" native="true">
        <property name="sizePolicy">
         <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
          <horstretch>0</horstretch>
          <verstretch>0</verstretch>
         </sizepolicy>
        </property>
        <property name="minimumSize">
         <size>
          <width>200</width>
          <height>250</height>
         </size>
        </property>
        <property name="autoFillBackground">
         <bool>false</bool>
        </property>
       </widget>
      </item>
      <item row="1" column="0">
       <layout class="QHBoxLayout" name="horizontalLayout">
        <item>
         <widget class="QLabel" name="label_2">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="text">
           <string>Low Pressure</string>
          </property>
         </widget>
        </item>
        <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="QLabel" name="label_3">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
          <property name="text">
           <string>High Pressure</string>
          </property>
         </widget>
        </item>
       </layout>
      </item>
      <item row="0" column="1">
       <layout class="QVBoxLayout" name="verticalLayout">
        <item>
         <widget class="QLabel" name="label_5">
          <property name="text">
           <string>1.0</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>
        <item>
         <widget class="QLabel" name="label_4">
          <property name="text">
           <string>0.0</string>
          </property>
         </widget>
        </item>
       </layout>
      </item>
     </layout>
    </item>
-   <item row="4" column="0" colspan="2">
-    <widget class="QPushButton" name="btnTabletTest">
-     <property name="text">
-      <string>Open Tablet Tester...</string>
-     </property>
-    </widget>
-   </item>
    <item row="0" column="0">
     <widget class="QLabel" name="label">
      <property name="text">
       <string>Input Pressure Global Curve</string>
      </property>
     </widget>
    </item>
-   <item row="2" column="0" colspan="2">
-    <widget class="QGroupBox" name="grpTabletApi">
-     <property name="title">
-      <string>Tablet Input API (changing this requires restarting Krita)</string>
+   <item row="4" column="0" colspan="2">
+    <widget class="QPushButton" name="btnTabletTest">
+     <property name="text">
+      <string>Open Tablet Tester...</string>
      </property>
-     <layout class="QVBoxLayout" name="verticalLayout_2">
-      <item>
-       <layout class="QHBoxLayout" name="horizontalLayout_2">
-        <item>
-         <widget class="QRadioButton" name="radioWintab">
-          <property name="text">
-           <string>WinTab</string>
-          </property>
-         </widget>
-        </item>
-        <item>
-         <spacer name="horizontalSpacer_3">
-          <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="btnResolutionSettings">
-          <property name="text">
-           <string>Advanced...</string>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </item>
-      <item>
-       <widget class="QRadioButton" name="radioWin8PointerInput">
-        <property name="text">
-         <string>Windows 8+ Pointer Input (Windows Ink)</string>
-        </property>
-       </widget>
-      </item>
-     </layout>
     </widget>
    </item>
-   <item row="3" column="0">
-    <widget class="QCheckBox" name="chkUseRightMiddleClickWorkaround">
-     <property name="toolTip">
-      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Some tablet devices don't pass barrel-button clicks via tablet API. If you have such a device, you can try activate this workaround. Krita will try to read right- and middle-button clicks from the mouse events stream. It may or may not work on your device (depends on the tablet driver implementation).&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;p&gt;After changing this option Krita should be restarted.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   <item row="6" column="0">
+    <widget class="KisPressureCallibrationHelper" name="pressure_callibration" native="true">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
      </property>
-     <property name="text">
-      <string>Use mouse events for right- and middle-clicks (workaround for convertible devices, needs restart)</string>
+     <property name="minimumSize">
+      <size>
+       <width>0</width>
+       <height>256</height>
+      </size>
      </property>
     </widget>
    </item>
   </layout>
  </widget>
  <customwidgets>
   <customwidget>
    <class>KisCurveWidget</class>
    <extends>QWidget</extends>
    <header>widgets/kis_curve_widget.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>KisPressureCallibrationHelper</class>
+   <extends>QWidget</extends>
+   <header>widgets/kis_pressure_callibration_helper.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>
 </ui>
diff --git a/libs/ui/widgets/kis_pressure_callibration_helper.cpp b/libs/ui/widgets/kis_pressure_callibration_helper.cpp
new file mode 100644
index 0000000000..7305886a12
--- /dev/null
+++ b/libs/ui/widgets/kis_pressure_callibration_helper.cpp
@@ -0,0 +1,185 @@
+/*
+ *  Copyright (c) 2019 Wolthera van Hövell tot Westerflier <griffinvalley@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_pressure_callibration_helper.h"
+
+#include <QPainter>
+#include <QPaintEvent>
+#include <QApplication>
+#include <QRandomGenerator>
+#include <QTimer>
+
+#include <klocalizedstring.h>
+
+KisPressureCallibrationHelper::KisPressureCallibrationHelper(QWidget *parent) :
+    QWidget(parent)
+    , m_callibrationTime(new QTimer(this))
+    , m_oldCaption(0)
+    , m_callibrating(false)
+{
+    setMinimumHeight(256);
+    m_callibrationTime->setInterval(10000);
+    m_callibrationTime->setSingleShot(true);
+    connect(m_callibrationTime, SIGNAL(timeout()), this, SLOT(finalizeCallibration()));
+
+    QTimer *refresh = new QTimer(this);
+    refresh->setInterval(1000);
+    connect(refresh, SIGNAL(timeout()), this, SLOT(repaint()));
+    QTimer *refreshCaption = new QTimer(this);
+    connect(refreshCaption, SIGNAL(timeout()), this, SLOT(updateCaption()));
+    refresh->start();
+    refreshCaption->start(2000);
+}
+
+KisPressureCallibrationHelper::~KisPressureCallibrationHelper()
+{
+
+}
+
+QList<QPointF> KisPressureCallibrationHelper::callibrationInfo()
+{
+    QList<QPointF> callibrationInfo;
+
+    qreal lowest = 0.0;
+    qreal average = 0.5;
+    qreal highest = 1.0;
+
+    if (!m_callibrationInfo.isEmpty()) {
+        lowest = 1.0;
+        highest = 0.0;
+
+        for (int i = 0; i < m_callibrationInfo.size(); i++) {
+            qreal pressure = m_callibrationInfo.at(i);
+            if (pressure > highest) {
+                highest = pressure;
+            }
+            if (pressure < lowest) {
+                lowest = pressure;
+            }
+            average = (average + pressure) * 0.5;
+        }
+
+
+    }
+    callibrationInfo.append(QPointF(lowest, 0.0));
+    callibrationInfo.append(QPointF(average, 0.5));
+    callibrationInfo.append(QPointF(highest, 1.0));
+    return callibrationInfo;
+}
+
+void KisPressureCallibrationHelper::paintEvent(QPaintEvent *e)
+{
+    Q_UNUSED(e);
+    const int w = width();
+    const int h = height();
+    QPainter p(this);
+    p.fillRect(0, 0, w, h, QApplication::palette().background());
+    p.setBrush(QApplication::palette().foreground());
+
+    if (m_oldCaption == 0) {
+        m_caption = i18n("Please click to start callibrating tablet pressure.");
+    }
+    QString text = m_caption;
+    int center = (w/2) - (this->fontMetrics().width(text)/2);
+    QPoint o = QPoint(center, h/2);
+
+    p.drawText(o, text);
+    p.setRenderHint(QPainter::Antialiasing);
+
+
+    if (m_callibrationTime->isActive()){
+        p.setOpacity(0.3);
+        qreal progress = int(m_callibrationTime->remainingTime()/1000);
+        progress /= qreal(m_callibrationTime->interval()/1000);
+        p.drawPie(QRect((w/2)-50, (h/2)+10, 100, 100), 0, int(5760*progress));
+        p.setOpacity(1.0);
+    }
+
+    p.setBrush(Qt::transparent);
+    p.setPen(QPen(QApplication::palette().foreground(), 2));
+    p.drawPolyline(m_currentPath);
+    p.drawRect(0, 0, w, h);
+}
+
+void KisPressureCallibrationHelper::tabletEvent(QTabletEvent *e)
+{
+    m_callibrationInfo.append(e->pressure());
+    if(e->type() == QEvent::TabletLeaveProximity) {
+        if (!m_callibrationTime->isActive()) {
+            m_oldCaption = 0;
+        }
+    }
+    if(e->type() == QEvent::TabletRelease) {
+        m_currentPath.clear();
+        return;
+    }
+
+    if(e->type() == QEvent::TabletPress || e->type() == QEvent::TabletMove) {
+        if (!m_callibrationTime->isActive() && !m_callibrating) {
+            m_callibrationInfo.clear();
+            m_callibrationTime->start();
+            m_callibrating = true;
+            updateCaption();
+        }
+        if (m_callibrationTime->isActive()) {
+            m_currentPath.append(e->pos());
+        }
+        repaint();
+    }
+}
+
+void KisPressureCallibrationHelper::updateCaption()
+{
+    if (!m_callibrating || !m_callibrationTime->isActive()) return;
+
+    int random = m_oldCaption;
+    while (random == m_oldCaption) {
+        random = QRandomGenerator::global()->bounded(1, 4);
+    }
+
+    switch(random) {
+    case 1: {
+        m_caption = i18n("Press as hard as you can.");
+        break;
+    }
+    case 2: {
+        m_caption = i18n("Draw a medium stroke.");
+        break;
+    }
+    default: {
+        m_caption = i18n("Press as lightly as you can.");
+    }
+    }
+
+    m_oldCaption = random;
+}
+
+void KisPressureCallibrationHelper::finalizeCallibration()
+{
+    emit(callibrationDone());
+    m_caption = "Done! Click again to start over.";
+    QTimer::singleShot(1000, this, SLOT(resetEverything()));
+}
+
+void KisPressureCallibrationHelper::resetEverything()
+{
+    m_callibrationInfo.clear();
+    m_currentPath.clear();
+    m_oldCaption = 0;
+    m_callibrating = false;
+}
diff --git a/libs/ui/widgets/kis_pressure_callibration_helper.h b/libs/ui/widgets/kis_pressure_callibration_helper.h
new file mode 100644
index 0000000000..1dd1c5c0eb
--- /dev/null
+++ b/libs/ui/widgets/kis_pressure_callibration_helper.h
@@ -0,0 +1,68 @@
+/*
+ *  Copyright (c) 2019 Wolthera van Hövell tot Westerflier <griffinvalley@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_PRESSURE_CALLIBRATION_HELPER_H
+#define KIS_PRESSURE_CALLIBRATION_HELPER_H
+
+#include <QWidget>
+#include <kritaui_export.h>
+#include <QTabletEvent>
+#include <QPolygon>
+#include <QTimer>
+/**
+ * @brief The KisPressureCallibrationHelper class
+ * This class helps users configure the tablet pressure.
+ */
+
+class KRITAUI_EXPORT KisPressureCallibrationHelper : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit KisPressureCallibrationHelper(QWidget *parent = nullptr);
+
+    ~KisPressureCallibrationHelper() override;
+
+    /**
+     * @brief callibrationInfo
+     * @return QVector<float> with values for lowest pressure, middle pressure and highest presure.
+     */
+    QList<QPointF> callibrationInfo();
+
+Q_SIGNALS:
+    void callibrationDone();
+
+
+protected:
+    void paintEvent(QPaintEvent *e) override;
+    void tabletEvent(QTabletEvent *e) override;
+private Q_SLOTS:
+    void finalizeCallibration();
+    void resetEverything();
+    void updateCaption();
+
+private:
+
+    QList<qreal> m_callibrationInfo;
+    QPolygon m_currentPath;
+    QTimer *m_callibrationTime;
+    QString m_caption;
+    int m_oldCaption;
+    bool m_callibrating;
+
+};
+
+#endif /* KIS_PRESSURE_CALLIBRATION_HELPER_H */