diff --git a/libs/libkis/Krita.cpp b/libs/libkis/Krita.cpp
index 0275aeb97e..b60c1c3dcc 100644
--- a/libs/libkis/Krita.cpp
+++ b/libs/libkis/Krita.cpp
@@ -1,377 +1,377 @@
 /*
  *  Copyright (c) 2016 Boudewijn Rempt <boud@valdyas.org>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU Lesser 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 Lesser 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 "Krita.h"
 
 #include <QPointer>
 #include <QVariant>
 
 #include <ksharedconfig.h>
 #include <kconfiggroup.h>
 
 #include <KoColorSpaceRegistry.h>
 #include <KoColorProfile.h>
 #include <KoColorSpace.h>
 #include <KoDockRegistry.h>
 #include <KoColorSpaceEngine.h>
 #include <KoColorModelStandardIds.h>
 
 #include <kactioncollection.h>
 #include <KisPart.h>
 #include <KisMainWindow.h>
 #include <KisDocument.h>
 #include <kis_image.h>
 #include <kis_action.h>
 #include <kis_script_manager.h>
 #include <KisViewManager.h>
 #include <KritaVersionWrapper.h>
 #include <kis_filter_registry.h>
 #include <kis_filter.h>
 #include <kis_filter_configuration.h>
 #include <kis_properties_configuration.h>
 #include <kis_config.h>
 #include <kis_resource_server_provider.h>
 #include <kis_workspace_resource.h>
 #include <brushengine/kis_paintop_preset.h>
 #include <kis_brush_server.h>
 #include <KoResourceServerProvider.h>
 
 #include "View.h"
 #include "Document.h"
 #include "Window.h"
 #include "Extension.h"
 #include "DockWidgetFactoryBase.h"
 #include "Filter.h"
 #include "InfoObject.h"
 #include "Resource.h"
 
 Krita* Krita::s_instance = 0;
 
 struct Krita::Private {
     Private() {}
     QList<Extension*> extensions;
     bool batchMode {false};
     Notifier *notifier{new Notifier()};
 };
 
 Krita::Krita(QObject *parent)
     : QObject(parent)
     , d(new Private)
 {
     qRegisterMetaType<Notifier*>();
 }
 
 Krita::~Krita()
 {
     qDeleteAll(d->extensions);
     delete d->notifier;
     delete d;
 }
 
 QList<Action *> Krita::actions() const
 {
     QList<Action*> actionList;
     KisMainWindow *mainWindow = KisPart::instance()->currentMainwindow();
     if (!mainWindow) {
         return actionList;
     }
     KActionCollection *actionCollection = mainWindow->actionCollection();
     Q_FOREACH(QAction *action, actionCollection->actions()) {
         actionList << new Action(action->objectName(), action);
     }
     return actionList;
 }
 
 Action *Krita::action(const QString &name) const
 {
     KisMainWindow *mainWindow = KisPart::instance()->currentMainwindow();
     if (!mainWindow) {
         return 0;
     }
     KActionCollection *actionCollection = mainWindow->actionCollection();
     QAction *action = actionCollection->action(name);
     if (action) {
         return new Action(name, action);
     }
     return 0;
 }
 
 Document* Krita::activeDocument() const
 {
     KisMainWindow *mainWindow = KisPart::instance()->currentMainwindow();
     if (!mainWindow) {
         return 0;
     }
     KisView *view = mainWindow->activeView();
     if (!view) {
         return 0;
     }
     KisDocument *document = view->document();
     return new Document(document);
 }
 
 void Krita::setActiveDocument(Document* value)
 {
     Q_FOREACH(KisView *view, KisPart::instance()->views()) {
         if (view->document() == value->document().data()) {
             view->activateWindow();
             break;
         }
     }
 }
 
 bool Krita::batchmode() const
 {
     return d->batchMode;
 }
 
 void Krita::setBatchmode(bool value)
 {
     d->batchMode = value;
 }
 
 
 QList<Document *> Krita::documents() const
 {
     QList<Document *> ret;
     foreach(QPointer<KisDocument> doc, KisPart::instance()->documents()) {
         ret << new Document(doc);
     }
     return ret;
 }
 
 QStringList Krita::filters() const
 {
     QStringList ls = KisFilterRegistry::instance()->keys();
     qSort(ls);
     return ls;
 }
 
 Filter *Krita::filter(const QString &name) const
 {
     if (!filters().contains(name)) return 0;
 
     Filter *filter = new Filter();
     filter->setName(name);
     KisFilterSP f = KisFilterRegistry::instance()->value(name);
     KisFilterConfigurationSP fc = f->defaultConfiguration();
     InfoObject *info = new InfoObject(fc);
     filter->setConfiguration(info);
     return filter;
 }
 
 QStringList Krita::profiles(const QString &colorModel, const QString &colorDepth) const
 {
     QSet<QString> profileNames;
     QString id = KoColorSpaceRegistry::instance()->colorSpaceId(colorModel, colorDepth);
     QList<const KoColorProfile *> profiles = KoColorSpaceRegistry::instance()->profilesFor(id);
     Q_FOREACH(const KoColorProfile *profile, profiles) {
         profileNames << profile->name();
     }
     return profileNames.toList();
 }
 
 bool Krita::addProfile(const QString &profilePath)
 {
     KoColorSpaceEngine *iccEngine = KoColorSpaceEngineRegistry::instance()->get("icc");
     return iccEngine->addProfile(profilePath);
 }
 
 Notifier* Krita::notifier() const
 {
     return d->notifier;
 }
 
 QString Krita::version() const
 {
     return KritaVersionWrapper::versionString(true);
 }
 
 QList<View *> Krita::views() const
 {
     QList<View *> ret;
     foreach(QPointer<KisView> view, KisPart::instance()->views()) {
         ret << new View(view);
     }
     return ret;
 }
 
 Window *Krita::activeWindow() const
 {
     KisMainWindow *mainWindow = KisPart::instance()->currentMainwindow();
     if (!mainWindow) {
         return 0;
     }
     return new Window(mainWindow);
 }
 
 QList<Window*>  Krita::windows() const
 {
     QList<Window*> ret;
     foreach(QPointer<KisMainWindow> mainWin, KisPart::instance()->mainWindows()) {
         ret << new Window(mainWin);
     }
     return ret;
 }
 
 QMap<QString, Resource *> Krita::resources(const QString &type) const
 {
     QMap<QString, Resource *> resources = QMap<QString, Resource *> ();
 
     if (type == "pattern") {
         KoResourceServer<KoPattern>* server = KoResourceServerProvider::instance()->patternServer();
         Q_FOREACH (KoResource *res, server->resources()) {
             resources[res->name()] = new Resource(res);
         }
     }
     else if (type == "gradient") {
         KoResourceServer<KoAbstractGradient>* server = KoResourceServerProvider::instance()->gradientServer();
         Q_FOREACH (KoResource *res, server->resources()) {
             resources[res->name()] = new Resource(res);
         }
     }
     else if (type == "brush") {
         KisBrushResourceServer* server = KisBrushServer::instance()->brushServer();
         Q_FOREACH (KisBrushSP res, server->resources()) {
             resources[res->name()] = new Resource(res.data());
         }
     }
     else if (type == "preset") {
         KisPaintOpPresetResourceServer* server = KisResourceServerProvider::instance()->paintOpPresetServer();
         Q_FOREACH (KisPaintOpPresetSP res, server->resources()) {
             resources[res->name()] = new Resource(res.data());
         }
     }
     else if (type == "palette") {
         KoResourceServer<KoColorSet>* server = KoResourceServerProvider::instance()->paletteServer();
         Q_FOREACH (KoResource *res, server->resources()) {
             resources[res->name()] = new Resource(res);
         }
     }
     else if (type == "workspace") {
         KoResourceServer< KisWorkspaceResource >* server = KisResourceServerProvider::instance()->workspaceServer();
         Q_FOREACH (KoResource *res, server->resources()) {
             resources[res->name()] = new Resource(res);
         }
     }
     return resources;
 }
 
 Document* Krita::createDocument(int width, int height, const QString &name, const QString &colorModel, const QString &colorDepth, const QString &profile)
 {
     KisDocument *document = KisPart::instance()->createDocument();
     KisPart::instance()->addDocument(document);
     const KoColorSpace *cs = KoColorSpaceRegistry::instance()->colorSpace(colorModel, colorDepth, profile);
     Q_ASSERT(cs);
 
     QColor qc(Qt::white);
     qc.setAlpha(0);
     KoColor bgColor(qc, cs);
 
     if (!document->newImage(name, width, height, cs, bgColor, true, 1, "", 100.0)) {
         qDebug() << "Could not create a new image";
         return 0;
     }
 
     Q_ASSERT(document->image());
     qDebug() << document->image()->objectName();
 
     return new Document(document);
 }
 
 Document* Krita::openDocument(const QString &filename)
 {
     KisDocument *document = KisPart::instance()->createDocument();
     KisPart::instance()->addDocument(document);
-    document->openUrl(QUrl::fromLocalFile(filename), KisDocument::OPEN_URL_FLAG_DO_NOT_ADD_TO_RECENT_FILES);
+    document->openUrl(QUrl::fromLocalFile(filename), KisDocument::DontAddToRecent);
     return new Document(document);
 }
 
 Window* Krita::openWindow()
 {
     KisMainWindow *mw = KisPart::instance()->createMainWindow();
     return new Window(mw);
 }
 
 
 Action *Krita::createAction(const QString &text)
 {
     KisAction *action = new KisAction(text, this);
     KisPart::instance()->addScriptAction(action);
     return new Action(action->objectName(), action);
 }
 
 void Krita::addExtension(Extension* extension)
 {
     d->extensions.append(extension);
 }
 
 QList< Extension* > Krita::extensions()
 {
     return d->extensions;
 }
 
 void Krita::writeSetting(const QString &group, const QString &name, const QString &value)
 {
     KConfigGroup grp = KSharedConfig::openConfig()->group(group);
     grp.writeEntry(name, value);
 }
 
 QString Krita::readSetting(const QString &group, const QString &name, const QString &defaultValue)
 {
     KConfigGroup grp = KSharedConfig::openConfig()->group(group);
     return grp.readEntry(name, defaultValue);
 }
 
 void Krita::addDockWidgetFactory(DockWidgetFactoryBase* factory)
 {
     KoDockRegistry::instance()->add(factory);
 }
 
 Krita* Krita::instance()
 {
     if (!s_instance)
     {
         s_instance = new Krita;
     }
     return s_instance;
 }
 
 /**
  * Scripter.fromVariant(variant)
  * variant is a QVariant
  * returns instance of QObject-subclass
  *
  * This is a helper method for PyQt because PyQt cannot cast a variant to a QObject or QWidget
  */
 QObject *Krita::fromVariant(const QVariant& v)
 {
 
     if (v.canConvert< QWidget* >())
     {
         QObject* obj = qvariant_cast< QWidget* >(v);
         return obj;
     }
     else if (v.canConvert< QObject* >())
     {
         QObject* obj = qvariant_cast< QObject* >(v);
         return obj;
     }
     else
         return 0;
 }
 
diff --git a/libs/ui/KisApplication.cpp b/libs/ui/KisApplication.cpp
index 56b658a4e5..62818ce564 100644
--- a/libs/ui/KisApplication.cpp
+++ b/libs/ui/KisApplication.cpp
@@ -1,762 +1,762 @@
 /* This file is part of the KDE project
    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
    Copyright (C) 2009 Thomas Zander <zander@kde.org>
    Copyright (C) 2012 Boudewijn Rempt <boud@valdyas.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "KisApplication.h"
 
 #include <stdlib.h>
 #ifdef Q_OS_WIN
 #include <windows.h>
 #include <tchar.h>
 #endif
 
 #include <QDesktopServices>
 #include <QDesktopWidget>
 #include <QDir>
 #include <QFile>
 #include <QLocale>
 #include <QMessageBox>
 #include <QMessageBox>
 #include <QProcessEnvironment>
 #include <QSettings>
 #include <QStandardPaths>
 #include <QStringList>
 #include <QStyle>
 #include <QStyleFactory>
 #include <QSysInfo>
 #include <QTimer>
 #include <QWidget>
 
 #include <klocalizedstring.h>
 #include <kdesktopfile.h>
 #include <kconfig.h>
 #include <kconfiggroup.h>
 
 #include <KoColorSpaceRegistry.h>
 #include <KoPluginLoader.h>
 #include <KoShapeRegistry.h>
 #include <KoDpi.h>
 #include "KoGlobal.h"
 #include "KoConfig.h"
 #include <resources/KoHashGeneratorProvider.h>
 #include <KoResourcePaths.h>
 #include <KisMimeDatabase.h>
 #include "thememanager.h"
 #include "KisPrintJob.h"
 #include "KisDocument.h"
 #include "KisMainWindow.h"
 #include "KisAutoSaveRecoveryDialog.h"
 #include "KisPart.h"
 #include <kis_icon.h>
 #include "kis_md5_generator.h"
 #include "kis_splash_screen.h"
 #include "kis_config.h"
 #include "flake/kis_shape_selection.h"
 #include <filter/kis_filter.h>
 #include <filter/kis_filter_registry.h>
 #include <filter/kis_filter_configuration.h>
 #include <generator/kis_generator_registry.h>
 #include <generator/kis_generator.h>
 #include <brushengine/kis_paintop_registry.h>
 #include <metadata/kis_meta_data_io_backend.h>
 #include "kisexiv2/kis_exiv2.h"
 #include "KisApplicationArguments.h"
 #include <kis_debug.h>
 #include "kis_action_registry.h"
 #include <kis_brush_server.h>
 #include <kis_resource_server_provider.h>
 #include <KoResourceServerProvider.h>
 #include "kis_image_barrier_locker.h"
 #include "opengl/kis_opengl.h"
 #include "kis_spin_box_unit_manager.h"
 #include "kis_document_aware_spin_box_unit_manager.h"
 
 #include <KritaVersionWrapper.h>
 namespace {
 const QTime appStartTime(QTime::currentTime());
 }
 
 class KisApplicationPrivate
 {
 public:
     KisApplicationPrivate()
         : splashScreen(0)
     {}
     QPointer<KisSplashScreen> splashScreen;
 };
 
 class KisApplication::ResetStarting
 {
 public:
     ResetStarting(KisSplashScreen *splash, int fileCount)
         : m_splash(splash)
         , m_fileCount(fileCount)
     {
     }
 
     ~ResetStarting()  {
         if (m_splash) {
 
             KConfigGroup cfg( KSharedConfig::openConfig(), "SplashScreen");
             bool hideSplash = cfg.readEntry("HideSplashAfterStartup", false);
             if (m_fileCount > 0 || hideSplash) {
                 m_splash->hide();
             }
             else {
                 m_splash->setWindowFlags(Qt::Dialog);
                 QRect r(QPoint(), m_splash->size());
                 m_splash->move(QApplication::desktop()->availableGeometry().center() - r.center());
                 m_splash->setWindowTitle(qAppName());
                 m_splash->setParent(0);
                 Q_FOREACH (QObject *o, m_splash->children()) {
                     QWidget *w = qobject_cast<QWidget*>(o);
                     if (w && w->isHidden()) {
                         w->setVisible(true);
                     }
                 }
                 m_splash->show();
                 m_splash->activateWindow();
             }
         }
     }
 
     QPointer<KisSplashScreen> m_splash;
     int m_fileCount;
 };
 
 
 KisApplication::KisApplication(const QString &key, int &argc, char **argv)
     : QtSingleApplication(key, argc, argv)
     , d(new KisApplicationPrivate)
     , m_autosaveDialog(0)
     , m_mainWindow(0)
     , m_batchRun(false)
 {
     QCoreApplication::addLibraryPath(QCoreApplication::applicationDirPath());
 
     setApplicationDisplayName("Krita");
     setApplicationName("krita");
     // Note: Qt docs suggest we set this, but if we do, we get resource paths of the form of krita/krita, which is weird.
     //    setOrganizationName("krita");
     setOrganizationDomain("krita.org");
 
     QString version = KritaVersionWrapper::versionString(true);
     setApplicationVersion(version);
     setWindowIcon(KisIconUtils::loadIcon("calligrakrita"));
 
     if (qgetenv("KRITA_NO_STYLE_OVERRIDE").isEmpty()) {
         QStringList styles = QStringList() << "breeze" << "fusion" << "plastique";
         if (!styles.contains(style()->objectName().toLower())) {
             Q_FOREACH (const QString & style, styles) {
                 if (!setStyle(style)) {
                     qDebug() << "No" << style << "available.";
                 }
                 else {
                     qDebug() << "Set style" << style;
                     break;
                 }
             }
         }
     }
     else {
         qDebug() << "Style override disabled, using" << style()->objectName();
     }
 
     KisOpenGL::initialize();
     qDebug() << "krita has opengl" << KisOpenGL::hasOpenGL();
 }
 
 #if defined(Q_OS_WIN) && defined(ENV32BIT)
 typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
 
 LPFN_ISWOW64PROCESS fnIsWow64Process;
 
 BOOL isWow64()
 {
     BOOL bIsWow64 = FALSE;
 
     //IsWow64Process is not available on all supported versions of Windows.
     //Use GetModuleHandle to get a handle to the DLL that contains the function
     //and GetProcAddress to get a pointer to the function if available.
 
     fnIsWow64Process = (LPFN_ISWOW64PROCESS) GetProcAddress(
                 GetModuleHandle(TEXT("kernel32")),"IsWow64Process");
 
     if(0 != fnIsWow64Process)
     {
         if (!fnIsWow64Process(GetCurrentProcess(),&bIsWow64))
         {
             //handle error
         }
     }
     return bIsWow64;
 }
 #endif
 
 void KisApplication::initializeGlobals(const KisApplicationArguments &args)
 {
     int dpiX = args.dpiX();
     int dpiY = args.dpiY();
     if (dpiX > 0 && dpiY > 0) {
         KoDpi::setDPI(dpiX, dpiY);
     }
 }
 
 void KisApplication::addResourceTypes()
 {
     // All Krita's resource types
     KoResourcePaths::addResourceType("kis_pics", "data", "/pics/");
     KoResourcePaths::addResourceType("kis_images", "data", "/images/");
     KoResourcePaths::addResourceType("icc_profiles", "data", "/profiles/");
     KoResourcePaths::addResourceType("metadata_schema", "data", "/metadata/schemas/");
     KoResourcePaths::addResourceType("kis_brushes", "data", "/brushes/");
     KoResourcePaths::addResourceType("kis_taskset", "data", "/taskset/");
     KoResourcePaths::addResourceType("kis_taskset", "data", "/taskset/");
     KoResourcePaths::addResourceType("gmic_definitions", "data", "/gmic/");
     KoResourcePaths::addResourceType("kis_resourcebundles", "data", "/bundles/");
     KoResourcePaths::addResourceType("kis_defaultpresets", "data", "/defaultpresets/");
     KoResourcePaths::addResourceType("kis_paintoppresets", "data", "/paintoppresets/");
     KoResourcePaths::addResourceType("kis_workspaces", "data", "/workspaces/");
     KoResourcePaths::addResourceType("psd_layer_style_collections", "data", "/asl");
     KoResourcePaths::addResourceType("ko_patterns", "data", "/patterns/", true);
     KoResourcePaths::addResourceType("ko_gradients", "data", "/gradients/");
     KoResourcePaths::addResourceType("ko_gradients", "data", "/gradients/", true);
     KoResourcePaths::addResourceType("ko_palettes", "data", "/palettes/", true);
     KoResourcePaths::addResourceType("kis_shortcuts", "data", "/shortcuts/");
     KoResourcePaths::addResourceType("kis_actions", "data", "/actions");
     KoResourcePaths::addResourceType("icc_profiles", "data", "/color/icc");
     KoResourcePaths::addResourceType("ko_effects", "data", "/effects/");
     KoResourcePaths::addResourceType("tags", "data", "/tags/");
     KoResourcePaths::addResourceType("templates", "data", "/templates");
     KoResourcePaths::addResourceType("pythonscripts", "data", "/pykrita");
 
     //    // Extra directories to look for create resources. (Does anyone actually use that anymore?)
     //    KoResourcePaths::addResourceDir("ko_gradients", "/usr/share/create/gradients/gimp");
     //    KoResourcePaths::addResourceDir("ko_gradients", QDir::homePath() + QString("/.create/gradients/gimp"));
     //    KoResourcePaths::addResourceDir("ko_patterns", "/usr/share/create/patterns/gimp");
     //    KoResourcePaths::addResourceDir("ko_patterns", QDir::homePath() + QString("/.create/patterns/gimp"));
     //    KoResourcePaths::addResourceDir("kis_brushes", "/usr/share/create/brushes/gimp");
     //    KoResourcePaths::addResourceDir("kis_brushes", QDir::homePath() + QString("/.create/brushes/gimp"));
     //    KoResourcePaths::addResourceDir("ko_palettes", "/usr/share/create/swatches");
     //    KoResourcePaths::addResourceDir("ko_palettes", QDir::homePath() + QString("/.create/swatches"));
 
     // Make directories for all resources we can save, and tags
     QDir d;
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/tags/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/asl/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/bundles/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/gradients/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/paintoppresets/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/palettes/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/patterns/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/taskset/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/workspaces/");
     d.mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/input/");
 }
 
 void KisApplication::loadResources()
 {
     setSplashScreenLoadingText(i18n("Loading Gradients..."));
     processEvents();
     KoResourceServerProvider::instance()->gradientServer(true);
 
 
     // Load base resources
     setSplashScreenLoadingText(i18n("Loading Patterns..."));
     processEvents();
     KoResourceServerProvider::instance()->patternServer(true);
 
     setSplashScreenLoadingText(i18n("Loading Palettes..."));
     processEvents();
     KoResourceServerProvider::instance()->paletteServer(false);
 
     setSplashScreenLoadingText(i18n("Loading Brushes..."));
     processEvents();
     KisBrushServer::instance()->brushServer(true);
 
     // load paintop presets
     setSplashScreenLoadingText(i18n("Loading Paint Operations..."));
     processEvents();
     KisResourceServerProvider::instance()->paintOpPresetServer(true);
 
     setSplashScreenLoadingText(i18n("Loading Resource Bundles..."));
     processEvents();
     KisResourceServerProvider::instance()->resourceBundleServer();
 }
 
 void KisApplication::loadPlugins()
 {
     KoShapeRegistry* r = KoShapeRegistry::instance();
     r->add(new KisShapeSelectionFactory());
 
     KisActionRegistry::instance();
     KisFilterRegistry::instance();
     KisGeneratorRegistry::instance();
     KisPaintOpRegistry::instance();
     KoColorSpaceRegistry::instance();
 
     // Load the krita-specific tools
     setSplashScreenLoadingText(i18n("Loading Plugins for Krita/Tool..."));
     processEvents();
     KoPluginLoader::instance()->load(QString::fromLatin1("Krita/Tool"),
                                      QString::fromLatin1("[X-Krita-Version] == 28"));
 
 
     // Load dockers
     setSplashScreenLoadingText(i18n("Loading Plugins for Krita/Dock..."));
     processEvents();
     KoPluginLoader::instance()->load(QString::fromLatin1("Krita/Dock"),
                                      QString::fromLatin1("[X-Krita-Version] == 28"));
 
     // XXX_EXIV: make the exiv io backends real plugins
     setSplashScreenLoadingText(i18n("Loading Plugins Exiv/IO..."));
     processEvents();
     KisExiv2::initialize();
 }
 
 
 bool KisApplication::start(const KisApplicationArguments &args)
 {
     KisConfig cfg;
 
 #if defined(Q_OS_WIN)
 #ifdef ENV32BIT
 
     if (isWow64() && !cfg.readEntry("WarnedAbout32Bits", false)) {
         QMessageBox::information(0,
                                  i18nc("@title:window", "Krita: Warning"),
                                  i18n("You are running a 32 bits build on a 64 bits Windows.\n"
                                       "This is not recommended.\n"
                                       "Please download and install the x64 build instead."));
         cfg.writeEntry("WarnedAbout32Bits", true);
 
     }
 #endif
 #endif
 
     QString opengl = cfg.canvasState();
     if (opengl == "OPENGL_NOT_TRIED" ) {
         cfg.setCanvasState("TRY_OPENGL");
     }
     else if (opengl != "OPENGL_SUCCESS") {
         cfg.setCanvasState("OPENGL_FAILED");
     }
 
     setSplashScreenLoadingText(i18n("Initializing Globals"));
     processEvents();
     initializeGlobals(args);
 
     const bool doTemplate = args.doTemplate();
     const bool print = args.print();
     const bool exportAs = args.exportAs();
     const bool exportAsPdf = args.exportAsPdf();
     const QString exportFileName = args.exportFileName();
 
     m_batchRun = (print || exportAs || exportAsPdf || !exportFileName.isEmpty());
     // print & exportAsPdf do user interaction ATM
     const bool needsMainWindow = !exportAs;
     // only show the mainWindow when no command-line mode option is passed
     // TODO: fix print & exportAsPdf to work without mainwindow shown
     const bool showmainWindow = !exportAs; // would be !batchRun;
 
     const bool showSplashScreen = !m_batchRun && qEnvironmentVariableIsEmpty("NOSPLASH");// &&  qgetenv("XDG_CURRENT_DESKTOP") != "GNOME";
     if (showSplashScreen && d->splashScreen) {
         d->splashScreen->show();
         d->splashScreen->repaint();
         processEvents();
     }
 
     KoHashGeneratorProvider::instance()->setGenerator("MD5", new KisMD5Generator());
 
     // Initialize all Krita directories etc.
     KoGlobal::initialize();
 
     KConfigGroup group(KSharedConfig::openConfig(), "theme");
     Digikam::ThemeManager themeManager;
     themeManager.setCurrentTheme(group.readEntry("Theme", "Krita dark"));
 
 
     ResetStarting resetStarting(d->splashScreen, args.filenames().count()); // remove the splash when done
     Q_UNUSED(resetStarting);
 
     // Make sure we can save resources and tags
     setSplashScreenLoadingText(i18n("Adding resource types"));
     processEvents();
     addResourceTypes();
 
     // Load all resources and tags before the plugins do that
     loadResources();
 
     // Load the plugins
     loadPlugins();
 
     if (needsMainWindow) {
         // show a mainWindow asap, if we want that
         setSplashScreenLoadingText(i18n("Loading Main Window..."));
         processEvents();
         m_mainWindow = KisPart::instance()->createMainWindow();
 
         if (showmainWindow) {
             m_mainWindow->initializeGeometry();
             m_mainWindow->show();
         }
     }
     short int numberOfOpenDocuments = 0; // number of documents open
 
     // Check for autosave files that can be restored, if we're not running a batchrun (test, print, export to pdf)
     if (!m_batchRun) {
         checkAutosaveFiles();
     }
 
     setSplashScreenLoadingText(QString()); // done loading, so clear out label
     processEvents();
 
     //configure the unit manager
     KisSpinBoxUnitManagerFactory::setDefaultUnitManagerBuilder(new KisDocumentAwareSpinBoxUnitManagerBuilder());
     connect(this, &KisApplication::aboutToQuit, &KisSpinBoxUnitManagerFactory::clearUnitManagerBuilder); //ensure the builder is destroyed when the application leave.
     //the new syntax slot syntax allow to connect to a non q_object static method.
 
     // Get the command line arguments which we have to parse
     int argsCount = args.filenames().count();
     if (argsCount > 0) {
         // Loop through arguments
         short int nPrinted = 0;
         for (int argNumber = 0; argNumber < argsCount; argNumber++) {
             QString fileName = args.filenames().at(argNumber);
             // are we just trying to open a template?
             if (doTemplate) {
                 // called in mix with batch options? ignore and silently skip
                 if (m_batchRun) {
                     continue;
                 }
                 if (createNewDocFromTemplate(fileName, m_mainWindow)) {
                     ++numberOfOpenDocuments;
                 }
                 // now try to load
             }
             else {
 
                 if (exportAs) {
                     QString outputMimetype = KisMimeDatabase::mimeTypeForFile(exportFileName);
                     if (outputMimetype == "application/octetstream") {
                         dbgKrita << i18n("Mimetype not found, try using the -mimetype option") << endl;
                         return 1;
                     }
 
                     KisDocument *doc = KisPart::instance()->createDocument();
                     doc->setFileBatchMode(m_batchRun);
                     doc->openUrl(QUrl::fromLocalFile(fileName));
 
                     qApp->processEvents(); // For vector layers to be updated
 
                     doc->setFileBatchMode(true);
                     doc->setOutputMimeType(outputMimetype.toLatin1());
                     if (!doc->exportDocument(QUrl::fromLocalFile(exportFileName))) {
                         dbgKrita << "Could not export " << fileName << "to" << exportFileName << ":" << doc->errorMessage();
                     }
                     nPrinted++;
                     QTimer::singleShot(0, this, SLOT(quit()));
                 }
                 else if (m_mainWindow) {
                     KisMainWindow::OpenFlags flags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
                     if (m_mainWindow->openDocument(QUrl::fromLocalFile(fileName), flags)) {
                         if (print) {
                             m_mainWindow->slotFilePrint();
                             nPrinted++;
                             // TODO: trigger closing of app once printing is done
                         }
                         else if (exportAsPdf) {
                             KisPrintJob *job = m_mainWindow->exportToPdf(exportFileName);
                             if (job)
                                 connect (job, SIGNAL(destroyed(QObject*)), m_mainWindow,
                                          SLOT(slotFileQuit()), Qt::QueuedConnection);
                             nPrinted++;
                         } else {
                             // Normal case, success
                             numberOfOpenDocuments++;
                         }
                     } else {
                         // .... if failed
                         // delete doc; done by openDocument
                     }
                 }
             }
         }
 
         if (m_batchRun) {
             return nPrinted > 0;
         }
     }
 
     // fixes BUG:369308  - Krita crashing on splash screen when loading.
     // trying to open a file before Krita has loaded can cause it to hang and crash
     if (d->splashScreen) {
         d->splashScreen->displayLinks();
         d->splashScreen->displayRecentFiles();
     }
 
 
     // not calling this before since the program will quit there.
     return true;
 }
 
 KisApplication::~KisApplication()
 {
     delete d;
 }
 
 void KisApplication::setSplashScreen(QWidget *splashScreen)
 {
     d->splashScreen = qobject_cast<KisSplashScreen*>(splashScreen);
 }
 
 void KisApplication::setSplashScreenLoadingText(QString textToLoad)
 {
     if (d->splashScreen) {
         d->splashScreen->loadingLabel->setText(textToLoad);
         d->splashScreen->repaint();
     }
 }
 
 void KisApplication::hideSplashScreen()
 {
     if (d->splashScreen) {
         // hide the splashscreen to see the dialog
         d->splashScreen->hide();
     }
 }
 
 bool KisApplication::notify(QObject *receiver, QEvent *event)
 {
     try {
         return QApplication::notify(receiver, event);
     } catch (std::exception &e) {
         qWarning("Error %s sending event %i to object %s",
                  e.what(), event->type(), qPrintable(receiver->objectName()));
     } catch (...) {
         qWarning("Error <unknown> sending event %i to object %s",
                  event->type(), qPrintable(receiver->objectName()));
     }
     return false;
 }
 
 
 void KisApplication::remoteArguments(QByteArray message, QObject *socket)
 {
     Q_UNUSED(socket);
 
     // check if we have any mainwindow
     KisMainWindow *mw = qobject_cast<KisMainWindow*>(qApp->activeWindow());
     if (!mw) {
         mw = KisPart::instance()->mainWindows().first();
     }
 
     if (!mw) {
         return;
     }
 
     KisApplicationArguments args = KisApplicationArguments::deserialize(message);
     const bool doTemplate = args.doTemplate();
     const int argsCount = args.filenames().count();
 
     if (argsCount > 0) {
         // Loop through arguments
         for (int argNumber = 0; argNumber < argsCount; ++argNumber) {
             QString filename = args.filenames().at(argNumber);
             // are we just trying to open a template?
             if (doTemplate) {
                 createNewDocFromTemplate(filename, mw);
             }
             else if (QFile(filename).exists()) {
                 KisMainWindow::OpenFlags flags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
                 mw->openDocument(QUrl::fromLocalFile(filename), flags);
             }
         }
     }
 }
 
 void KisApplication::fileOpenRequested(const QString &url)
 {
     KisMainWindow *mainWindow = KisPart::instance()->mainWindows().first();
     if (mainWindow) {
         KisMainWindow::OpenFlags flags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
         mainWindow->openDocument(QUrl::fromLocalFile(url), flags);
     }
 }
 
 
 void KisApplication::checkAutosaveFiles()
 {
     if (m_batchRun) return;
 
     // Check for autosave files from a previous run. There can be several, and
     // we want to offer a restore for every one. Including a nice thumbnail!
 
     QStringList filters;
     filters << QString(".krita-*-*-autosave.kra");
 
 #ifdef Q_OS_WIN
     QDir dir = QDir::temp();
 #else
     QDir dir = QDir::home();
 #endif
 
     // all autosave files for our application
-    m_autosaveFiles = dir.entryList(filters, QDir::Files | QDir::Hidden);
+    QStringList autosaveFiles = dir.entryList(filters, QDir::Files | QDir::Hidden);
 
     // Allow the user to make their selection
-    if (m_autosaveFiles.size() > 0) {
+    if (autosaveFiles.size() > 0) {
         if (d->splashScreen) {
             // hide the splashscreen to see the dialog
             d->splashScreen->hide();
         }
-        m_autosaveDialog = new KisAutoSaveRecoveryDialog(m_autosaveFiles, activeWindow());
+        m_autosaveDialog = new KisAutoSaveRecoveryDialog(autosaveFiles, activeWindow());
         QDialog::DialogCode result = (QDialog::DialogCode) m_autosaveDialog->exec();
 
         if (result == QDialog::Accepted) {
             QStringList filesToRecover = m_autosaveDialog->recoverableFiles();
-            Q_FOREACH (const QString &autosaveFile, m_autosaveFiles) {
+            Q_FOREACH (const QString &autosaveFile, autosaveFiles) {
                 if (!filesToRecover.contains(autosaveFile)) {
                     QFile::remove(dir.absolutePath() + "/" + autosaveFile);
                 }
             }
-            m_autosaveFiles = filesToRecover;
+            autosaveFiles = filesToRecover;
         } else {
-            m_autosaveFiles.clear();
+            autosaveFiles.clear();
         }
 
-        if (m_autosaveFiles.size() > 0) {
+        if (autosaveFiles.size() > 0) {
             QList<QUrl> autosaveUrls;
-            Q_FOREACH (const QString &autoSaveFile, m_autosaveFiles) {
+            Q_FOREACH (const QString &autoSaveFile, autosaveFiles) {
                 const QUrl url = QUrl::fromLocalFile(dir.absolutePath() + QLatin1Char('/') + autoSaveFile);
                 autosaveUrls << url;
             }
             if (m_mainWindow) {
                 Q_FOREACH (const QUrl &url, autosaveUrls) {
                     KisMainWindow::OpenFlags flags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
-                    m_mainWindow->openDocument(url, flags);
+                    m_mainWindow->openDocument(url, flags | KisMainWindow::RecoveryFile);
                 }
             }
         }
         // cleanup
         delete m_autosaveDialog;
         m_autosaveDialog = nullptr;
     }
 }
 
 bool KisApplication::createNewDocFromTemplate(const QString &fileName, KisMainWindow *mainWindow)
 {
     QString templatePath;
 
     const QUrl templateUrl = QUrl::fromLocalFile(fileName);
     if (QFile::exists(fileName)) {
         templatePath = templateUrl.toLocalFile();
         dbgUI << "using full path...";
     }
     else {
         QString desktopName(fileName);
         const QString templatesResourcePath =  QStringLiteral("templates/");
 
         QStringList paths = KoResourcePaths::findAllResources("data", templatesResourcePath + "*/" + desktopName);
         if (paths.isEmpty()) {
             paths = KoResourcePaths::findAllResources("data", templatesResourcePath + desktopName);
         }
 
         if (paths.isEmpty()) {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"),
                                   i18n("No template found for: %1", desktopName));
         } else if (paths.count() > 1) {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"),
                                   i18n("Too many templates found for: %1", desktopName));
         } else {
             templatePath = paths.at(0);
         }
     }
 
     if (!templatePath.isEmpty()) {
         QUrl templateBase;
         templateBase.setPath(templatePath);
         KDesktopFile templateInfo(templatePath);
 
         QString templateName = templateInfo.readUrl();
         QUrl templateURL;
         templateURL.setPath(templateBase.adjusted(QUrl::RemoveFilename|QUrl::StripTrailingSlash).path() + '/' + templateName);
 
         KisMainWindow::OpenFlags batchFlags = m_batchRun ? KisMainWindow::BatchMode : KisMainWindow::None;
         if (mainWindow->openDocument(templateURL, KisMainWindow::Import | batchFlags)) {
             dbgUI << "Template loaded...";
             return true;
         }
         else {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"),
                                   i18n("Template %1 failed to load.", templateURL.toDisplayString()));
         }
     }
 
     return false;
 }
 
 void KisApplication::clearConfig()
 {
     KIS_ASSERT_RECOVER_RETURN(qApp->thread() == QThread::currentThread());
 
     KSharedConfigPtr config =  KSharedConfig::openConfig();
 
     // find user settings file
     bool createDir = false;
     QString kritarcPath = KoResourcePaths::locateLocal("config", "kritarc", createDir);
 
     QFile configFile(kritarcPath);
     if (configFile.exists()) {
         // clear file
         if (configFile.open(QFile::WriteOnly)) {
             configFile.close();
         }
         else {
             QMessageBox::warning(0,
                                  i18nc("@title:window", "Krita"),
                                  i18n("Failed to clear %1\n\n"
                                       "Please make sure no other program is using the file and try again.",
                                       kritarcPath),
                                  QMessageBox::Ok, QMessageBox::Ok);
         }
     }
 
     // reload from disk; with the user file settings cleared,
     // this should load any default configuration files shipping with the program
     config->reparseConfiguration();
     config->sync();
 }
 
 void KisApplication::askClearConfig()
 {
     Qt::KeyboardModifiers mods = QApplication::queryKeyboardModifiers();
     bool askClearConfig = (mods & Qt::ControlModifier) && (mods & Qt::ShiftModifier) && (mods & Qt::AltModifier);
 
     if (askClearConfig) {
         bool ok = QMessageBox::question(0,
                                         i18nc("@title:window", "Krita"),
                                         i18n("Do you want to clear the settings file?"),
                                         QMessageBox::Yes | QMessageBox::No, QMessageBox::No) == QMessageBox::Yes;
         if (ok) {
             clearConfig();
         }
     }
 }
diff --git a/libs/ui/KisApplication.h b/libs/ui/KisApplication.h
index 2ee65c1657..4729e1be57 100644
--- a/libs/ui/KisApplication.h
+++ b/libs/ui/KisApplication.h
@@ -1,124 +1,123 @@
 /* This file is part of the KDE project
    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #ifndef KIS_APPLICATION_H
 #define KIS_APPLICATION_H
 
 #include <QPointer>
 #include <qtsingleapplication/qtsingleapplication.h>
 #include "kritaui_export.h"
 #include <KisAutoSaveRecoveryDialog.h>
 
 class KisMainWindow;
 class KisApplicationPrivate;
 class QWidget;
 class KisApplicationArguments;
 class KisAutoSaveRecoveryDialog;
 
 #include <KisImportExportManager.h>
 
 /**
  *  @brief Base class for the %Krita app
  *
  *  This class handles arguments given on the command line and
  *  shows a generic about dialog for the Krita app.
  *
  *  In addition it adds the standard directories where Krita
  *  can find its images etc.
  *
  *  If the last mainwindow becomes closed, KisApplication automatically
  *  calls QApplication::quit.
  */
 class KRITAUI_EXPORT KisApplication : public QtSingleApplication
 {
     Q_OBJECT
 
 public:
     /**
      * Creates an application object, adds some standard directories and
      * initializes kimgio.
      */
     explicit KisApplication(const QString &key, int &argc, char **argv);
 
     /**
      *  Destructor.
      */
     virtual ~KisApplication();
 
     /**
      * Call this to start the application.
      *
      * Parses command line arguments and creates the initial main windowss and docs
      * from them (or an empty doc if no cmd-line argument is specified ).
      *
      * You must call this method directly before calling QApplication::exec.
      *
      * It is valid behaviour not to call this method at all. In this case you
      * have to process your command line parameters by yourself.
      */
     virtual bool start(const KisApplicationArguments &args);
 
     /**
      * Checks if user is holding ctrl+alt+shift keys and asks if the settings file should be cleared.
      *
      * Typically called during startup before reading the config.
      */
     void askClearConfig();
 
     /**
      * Tell KisApplication to show this splashscreen when you call start();
      * when start returns, the splashscreen is hidden. Use KSplashScreen
      * to have the splash show correctly on Xinerama displays.
      */
     void setSplashScreen(QWidget *splash);
 
     void setSplashScreenLoadingText(QString);
 
     void hideSplashScreen();
 
     /// Overridden to handle exceptions from event handlers.
     bool notify(QObject *receiver, QEvent *event);
 
     void addResourceTypes();
     void loadResources();
     void loadPlugins();
     void initializeGlobals(const KisApplicationArguments &args);
 
 public Q_SLOTS:
 
     void remoteArguments(QByteArray message, QObject*socket);
     void fileOpenRequested(const QString & url);
 
 private:
     /// @return the number of autosavefiles opened
     void checkAutosaveFiles();
     bool createNewDocFromTemplate(const QString &fileName, KisMainWindow *m_mainWindow);
     void clearConfig();
 
 private:
     KisApplicationPrivate * const d;
     class ResetStarting;
     friend class ResetStarting;
     KisAutoSaveRecoveryDialog *m_autosaveDialog;
-    QStringList m_autosaveFiles;
     QPointer<KisMainWindow> m_mainWindow; // The first mainwindow we create on startup
     bool m_batchRun;
 };
 
 #endif
diff --git a/libs/ui/KisDocument.cpp b/libs/ui/KisDocument.cpp
index 067b243bf1..24f997fc8a 100644
--- a/libs/ui/KisDocument.cpp
+++ b/libs/ui/KisDocument.cpp
@@ -1,1738 +1,1875 @@
 /* This file is part of the Krita project
  *
  * Copyright (C) 2014 Boudewijn Rempt <boud@kogmbh.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "KisMainWindow.h" // XXX: remove
 #include <QMessageBox> // XXX: remove
 
 #include <KisMimeDatabase.h>
 
 #include <KoCanvasBase.h>
 #include <KoColor.h>
 #include <KoColorProfile.h>
 #include <KoColorSpaceEngine.h>
 #include <KoColorSpace.h>
 #include <KoColorSpaceRegistry.h>
 #include <KoDocumentInfoDlg.h>
 #include <KoDocumentInfo.h>
 #include <KoDpi.h>
 #include <KoUnit.h>
 #include <KoFileDialog.h>
 #include <KoID.h>
 #include <KoOdfReadStore.h>
 #include <KoProgressProxy.h>
 #include <KoProgressUpdater.h>
 #include <KoSelection.h>
 #include <KoShape.h>
 #include <KoShapeController.h>
 #include <KoStore.h>
 #include <KoUpdater.h>
 #include <KoXmlWriter.h>
 #include <KoXmlReader.h>
 #include <KoStoreDevice.h>
 
 #include <klocalizedstring.h>
 #include <kis_debug.h>
 #include <kdesktopfile.h>
 #include <kconfiggroup.h>
 #include <QTemporaryFile>
 #include <kbackup.h>
 
 #include <QTextBrowser>
 #include <QApplication>
 #include <QBuffer>
 #include <QDesktopServices>
 #include <QDir>
 #include <QDomDocument>
 #include <QDomElement>
 #include <QFileInfo>
 #include <QImage>
 #include <QList>
 #include <QPainter>
 #include <QRect>
 #include <QScopedPointer>
 #include <QSize>
 #include <QStringList>
 #include <QtGlobal>
 #include <QTimer>
 #include <QWidget>
+#include <QFuture>
+#include <QFutureWatcher>
 
 // Krita Image
 #include <kis_config.h>
 #include <flake/kis_shape_layer.h>
 #include <kis_debug.h>
 #include <kis_group_layer.h>
 #include <kis_image.h>
 #include <kis_layer.h>
 #include <kis_name_server.h>
 #include <kis_paint_layer.h>
 #include <kis_painter.h>
 #include <kis_selection.h>
 #include <kis_fill_painter.h>
 #include <kis_document_undo_store.h>
 #include <kis_painting_assistants_decoration.h>
 #include <kis_idle_watcher.h>
 #include <kis_signal_auto_connection.h>
 #include <kis_debug.h>
 #include <kis_canvas_widget_base.h>
 
 // Local
 #include "KisViewManager.h"
 #include "kis_clipboard.h"
 #include "widgets/kis_custom_image_widget.h"
 #include "canvas/kis_canvas2.h"
 #include "flake/kis_shape_controller.h"
 #include "kis_statusbar.h"
 #include "widgets/kis_progress_widget.h"
 #include "kis_canvas_resource_provider.h"
 #include "kis_resource_server_provider.h"
 #include "kis_node_manager.h"
 #include "KisPart.h"
 #include "KisApplication.h"
 #include "KisDocument.h"
 #include "KisImportExportManager.h"
 #include "KisPart.h"
 #include "KisView.h"
 #include "kis_grid_config.h"
 #include "kis_guides_config.h"
 #include "kis_image_barrier_lock_adapter.h"
 #include <mutex>
 #include "kis_config_notifier.h"
 
 
 // Define the protocol used here for embedded documents' URL
 // This used to "store" but QUrl didn't like it,
 // so let's simply make it "tar" !
 #define STORE_PROTOCOL "tar"
 // The internal path is a hack to make QUrl happy and for document children
 #define INTERNAL_PROTOCOL "intern"
 #define INTERNAL_PREFIX "intern:/"
 // Warning, keep it sync in koStore.cc
 
 #include <unistd.h>
 
 using namespace std;
 
 /**********************************************************
  *
  * KisDocument
  *
  **********************************************************/
 
 namespace {
 
 class DocumentProgressProxy : public KoProgressProxy {
 public:
     KisMainWindow *m_mainWindow;
     DocumentProgressProxy(KisMainWindow *mainWindow)
         : m_mainWindow(mainWindow)
     {
     }
 
     ~DocumentProgressProxy() override {
         // signal that the job is done
         setValue(-1);
     }
 
     int maximum() const override {
         return 100;
     }
 
     void setValue(int value) override {
         if (m_mainWindow) {
             m_mainWindow->slotProgress(value);
         }
     }
 
     void setRange(int /*minimum*/, int /*maximum*/) override {
 
     }
 
     void setFormat(const QString &/*format*/) override {
 
     }
 };
 }
 
 //static
 QString KisDocument::newObjectName()
 {
     static int s_docIFNumber = 0;
     QString name; name.setNum(s_docIFNumber++); name.prepend("document_");
     return name;
 }
 
 
 class UndoStack : public KUndo2Stack
 {
 public:
     UndoStack(KisDocument *doc)
         : KUndo2Stack(doc),
           m_doc(doc)
     {
     }
 
     void setIndex(int idx) override {
         KisImageWSP image = this->image();
         image->requestStrokeCancellation();
         if(image->tryBarrierLock()) {
             KUndo2Stack::setIndex(idx);
             image->unlock();
         }
     }
 
     void notifySetIndexChangedOneCommand() override {
         KisImageWSP image = this->image();
         image->unlock();
 
         /**
          * Some very weird commands may emit blocking signals to
          * the GUI (e.g. KisGuiContextCommand). Here is the best thing
          * we can do to avoid the deadlock
          */
         while(!image->tryBarrierLock()) {
             QApplication::processEvents();
         }
     }
 
     void undo() override {
         KisImageWSP image = this->image();
         image->requestUndoDuringStroke();
 
         if (image->tryUndoUnfinishedLod0Stroke() == UNDO_OK) {
             return;
         }
 
         if(image->tryBarrierLock()) {
             KUndo2Stack::undo();
             image->unlock();
         }
     }
 
     void redo() override {
         KisImageWSP image = this->image();
         if(image->tryBarrierLock()) {
             KUndo2Stack::redo();
             image->unlock();
         }
     }
 
 private:
     KisImageWSP image() {
         KisImageWSP currentImage = m_doc->image();
         Q_ASSERT(currentImage);
         return currentImage;
     }
 
 private:
     KisDocument *m_doc;
 };
 
 class Q_DECL_HIDDEN KisDocument::Private
 {
 public:
     Private(KisDocument *q) :
         docInfo(new KoDocumentInfo(q)), // deleted by QObject
         importExportManager(new KisImportExportManager(q)), // deleted manually
         undoStack(new UndoStack(q)), // deleted by QObject
         m_bAutoDetectedMime(false),
         modified(false),
         readwrite(true),
         firstMod(QDateTime::currentDateTime()),
         lastMod(firstMod),
         nserver(new KisNameServer(1)),
         imageIdleWatcher(2000 /*ms*/),
         savingLock(&savingMutex)
     {
         if (QLocale().measurementSystem() == QLocale::ImperialSystem) {
             unit = KoUnit::Inch;
         } else {
             unit = KoUnit::Centimeter;
         }
     }
 
     Private(const Private &rhs, KisDocument *q) :
         docInfo(new KoDocumentInfo(*rhs.docInfo, q)),
         unit(rhs.unit),
         importExportManager(new KisImportExportManager(q)),
         mimeType(rhs.mimeType),
         outputMimeType(rhs.outputMimeType),
         undoStack(new UndoStack(q)),
         guidesConfig(rhs.guidesConfig),
         m_bAutoDetectedMime(rhs.m_bAutoDetectedMime),
         m_url(rhs.m_url),
         m_file(rhs.m_file),
         modified(rhs.modified),
         readwrite(rhs.readwrite),
         firstMod(rhs.firstMod),
         lastMod(rhs.lastMod),
         nserver(new KisNameServer(*rhs.nserver)),
         preActivatedNode(rhs.preActivatedNode),
         imageIdleWatcher(2000 /*ms*/),
         assistants(rhs.assistants), // WARNING: assistants should not store pointers to the document!
         gridConfig(rhs.gridConfig),
         savingLock(&savingMutex)
     {
     }
 
     ~Private() {
         // Don't delete m_d->shapeController because it's in a QObject hierarchy.
         delete nserver;
     }
 
     KoDocumentInfo *docInfo = 0;
 
     KoProgressUpdater *progressUpdater = 0;
     KoProgressProxy *progressProxy = 0;
 
     KoUnit unit;
 
     KisImportExportManager *importExportManager = 0; // The filter-manager to use when loading/saving [for the options]
 
     QByteArray mimeType; // The actual mimetype of the document
     QByteArray outputMimeType; // The mimetype to use when saving
 
     QTimer autoSaveTimer;
     QString lastErrorMessage; // see openFile()
     QString lastWarningMessage;
     int autoSaveDelay = 300; // in seconds, 0 to disable.
     bool modifiedAfterAutosave = false;
     bool isAutosaving = false;
     bool disregardAutosaveFailure = false;
 
     KUndo2Stack *undoStack = 0;
 
     KisGuidesConfig guidesConfig;
 
     bool m_bAutoDetectedMime = false; // whether the mimetype in the arguments was detected by the part itself
     QUrl m_url; // local url - the one displayed to the user.
     QString m_file; // Local file - the only one the part implementation should deal with.
 
     QMutex savingMutex;
 
     bool modified = false;
     bool readwrite = false;
 
     QDateTime firstMod;
     QDateTime lastMod;
 
     KisNameServer *nserver;
 
     KisImageSP image;
     KisImageSP savingImage;
 
     KisNodeSP preActivatedNode;
     KisShapeController* shapeController = 0;
     KoShapeController* koShapeController = 0;
     KisIdleWatcher imageIdleWatcher;
     QScopedPointer<KisSignalAutoConnection> imageIdleConnection;
 
     bool suppressProgress = false;
     KoProgressProxy* fileProgressProxy = 0;
 
     QList<KisPaintingAssistantSP> assistants;
     KisGridConfig gridConfig;
 
     StdLockableWrapper<QMutex> savingLock;
 
+    QScopedPointer<KisDocument> backgroundSaveDocument;
+    QFuture<KisImportExportFilter::ConversionStatus> childSavingFuture;
+
+    bool isRecovered = false;
+
     void setImageAndInitIdleWatcher(KisImageSP _image) {
         image = _image;
 
         imageIdleWatcher.setTrackedImage(image);
 
         if (image) {
             imageIdleConnection.reset(
                         new KisSignalAutoConnection(
                             &imageIdleWatcher, SIGNAL(startedIdleMode()),
                             image.data(), SLOT(explicitRegenerateLevelOfDetail())));
         }
     }
 
     class SafeSavingLocker;
+    class StrippedSafeSavingLocker;
 };
 
 class KisDocument::Private::SafeSavingLocker {
 public:
     SafeSavingLocker(KisDocument::Private *_d, KisDocument *document)
         : d(_d)
         , m_document(document)
         , m_locked(false)
         , m_imageLock(d->image, true)
     {
         const int realAutoSaveInterval = KisConfig().autoSaveInterval();
         const int emergencyAutoSaveInterval = 10; // sec
 
         /**
          * Initial try to lock both objects. Locking the image guards
          * us from any image composition threads running in the
          * background, while savingMutex guards us from entering the
          * saving code twice by autosave and main threads.
          *
          * Since we are trying to lock multiple objects, so we should
          * do it in a safe manner.
          */
         m_locked = std::try_lock(m_imageLock, d->savingLock) < 0;
 
         if (!m_locked) {
             if (d->isAutosaving) {
                 d->disregardAutosaveFailure = true;
                 if (realAutoSaveInterval) {
                     m_document->setAutoSaveDelay(emergencyAutoSaveInterval);
                 }
             } else {
                 d->image->requestStrokeEnd();
                 QApplication::processEvents();
 
                 // one more try...
                 m_locked = std::try_lock(m_imageLock, d->savingLock) < 0;
             }
         }
 
         if (m_locked) {
             d->disregardAutosaveFailure = false;
         }
     }
 
     ~SafeSavingLocker() {
          if (m_locked) {
              m_imageLock.unlock();
              d->savingLock.unlock();
 
              const int realAutoSaveInterval = KisConfig().autoSaveInterval();
              m_document->setAutoSaveDelay(realAutoSaveInterval);
          }
      }
 
     bool successfullyLocked() const {
         return m_locked;
     }
 
 private:
     KisDocument::Private *d;
     KisDocument *m_document;
     bool m_locked;
 
     KisImageBarrierLockAdapter m_imageLock;
 };
 
+class KisDocument::Private::StrippedSafeSavingLocker {
+public:
+    StrippedSafeSavingLocker(QMutex *savingMutex, KisImageSP image)
+        : m_locked(false)
+        , m_image(image)
+        , m_savingLock(savingMutex)
+        , m_imageLock(image, true)
+
+    {
+        /**
+         * Initial try to lock both objects. Locking the image guards
+         * us from any image composition threads running in the
+         * background, while savingMutex guards us from entering the
+         * saving code twice by autosave and main threads.
+         *
+         * Since we are trying to lock multiple objects, so we should
+         * do it in a safe manner.
+         */
+        m_locked = std::try_lock(m_imageLock, m_savingLock) < 0;
+
+        if (!m_locked) {
+            m_image->requestStrokeEnd();
+            QApplication::processEvents();
+
+            // one more try...
+            m_locked = std::try_lock(m_imageLock, m_savingLock) < 0;
+        }
+    }
+
+    ~StrippedSafeSavingLocker() {
+         if (m_locked) {
+             m_imageLock.unlock();
+             m_savingLock.unlock();
+         }
+     }
+
+    bool successfullyLocked() const {
+        return m_locked;
+    }
+
+private:
+    bool m_locked;
+    KisImageSP m_image;
+    StdLockableWrapper<QMutex> m_savingLock;
+    KisImageBarrierLockAdapter m_imageLock;
+};
+
 KisDocument::KisDocument()
     : d(new Private(this))
 {
     connect(KisConfigNotifier::instance(), SIGNAL(configChanged()), SLOT(slotConfigChanged()));
     connect(d->undoStack, SIGNAL(indexChanged(int)), this, SLOT(slotUndoStackIndexChanged(int)));
     connect(&d->autoSaveTimer, SIGNAL(timeout()), this, SLOT(slotAutoSave()));
     setObjectName(newObjectName());
 
     // preload the krita resources
     KisResourceServerProvider::instance();
 
     d->shapeController = new KisShapeController(this, d->nserver),
     d->koShapeController = new KoShapeController(0, d->shapeController),
 
     slotConfigChanged();
 }
 
 KisDocument::KisDocument(const KisDocument &rhs)
     : QObject(),
       d(new Private(*rhs.d, this))
 {
     connect(KisConfigNotifier::instance(), SIGNAL(configChanged()), SLOT(slotConfigChanged()));
     connect(d->undoStack, SIGNAL(indexChanged(int)), this, SLOT(slotUndoStackIndexChanged(int)));
     connect(&d->autoSaveTimer, SIGNAL(timeout()), this, SLOT(slotAutoSave()));
     setObjectName(rhs.objectName());
 
     d->shapeController = new KisShapeController(this, d->nserver),
     d->koShapeController = new KoShapeController(0, d->shapeController),
 
     slotConfigChanged();
 
     // clone the image with keeping the GUIDs of the layers intact
     // NOTE: we expect the image to be locked!
     setCurrentImage(rhs.image()->clone(true));
 }
 
 KisDocument::~KisDocument()
 {
     /**
      * Push a timebomb, which will try to release the memory after
      * the document has been deleted
      */
     KisPaintDevice::createMemoryReleaseObject()->deleteLater();
 
     d->autoSaveTimer.disconnect(this);
     d->autoSaveTimer.stop();
 
     delete d->importExportManager;
 
     // Despite being QObject they needs to be deleted before the image
     delete d->shapeController;
 
     delete d->koShapeController;
 
     if (d->image) {
         d->image->notifyAboutToBeDeleted();
 
         /**
          * WARNING: We should wait for all the internal image jobs to
          * finish before entering KisImage's destructor. The problem is,
          * while execution of KisImage::~KisImage, all the weak shared
          * pointers pointing to the image enter an inconsistent
          * state(!). The shared counter is already zero and destruction
          * has started, but the weak reference doesn't know about it,
          * because KisShared::~KisShared hasn't been executed yet. So all
          * the threads running in background and having weak pointers will
          * enter the KisImage's destructor as well.
          */
 
         d->image->requestStrokeCancellation();
         d->image->waitForDone();
 
         // clear undo commands that can still point to the image
         d->undoStack->clear();
         d->image->waitForDone();
 
         KisImageWSP sanityCheckPointer = d->image;
         Q_UNUSED(sanityCheckPointer);
         // The following line trigger the deletion of the image
         d->image.clear();
 
         // check if the image has actually been deleted
         KIS_SAFE_ASSERT_RECOVER_NOOP(!sanityCheckPointer.isValid());
     }
 
 
     delete d;
 }
 
 bool KisDocument::reload()
 {
     // XXX: reimplement!
     return false;
 }
 
 bool KisDocument::exportDocument(const QUrl &_url, KisPropertiesConfigurationSP exportConfiguration)
 {
     //qDebug() << "exportDocument" << _url.toDisplayString() << "is autosaving" << d->isAutosaving;
     bool ret;
 
     //
     // Preserve a lot of state here because we need to restore it in order to
     // be able to fake a File --> Export.  Can't do this in saveFile() because,
     // for a start, KParts has already set url and m_file and because we need
     // to restore the modified flag etc. and don't want to put a load on anyone
     // reimplementing saveFile() (Note: importDocument() and exportDocument()
     // will remain non-virtual).
     //
     QUrl oldURL = url();
     QString oldFile = localFilePath();
 
     //qDebug() << "\toldUrl" << oldURL << "oldFile" << oldFile << "export url" << _url;
 
     bool wasModified = isModified();
 
     // save...
     ret = saveAs(_url, true, exportConfiguration);
 
     //
     // This is sooooo hacky :(
     // Hopefully we will restore enough state.
     //
     dbgUI << "Restoring KisDocument state to before export";
 
     // always restore url & m_file regardless of failure or success
     //qDebug() << "\tafter saveAs: url" << url() << "local file path" << localFilePath();
     setUrl(oldURL);
     setLocalFilePath(oldFile);
     //qDebug() << "\tafter restoring: url" << url() << "local file path" << localFilePath();
 
 
     // on successful export we need to restore modified etc. too
     // on failed export, mimetype/modified hasn't changed anyway
     if (ret) {
         setModified(wasModified);
    }
 
     return ret;
 }
 
 bool KisDocument::saveAs(const QUrl &url, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
 {
     //qDebug() << "saveAs" << url;
     if (!url.isValid() || !url.isLocalFile()) {
         errKrita << "saveAs: Malformed URL " << url.url() << endl;
         return false;
     }
 
     QUrl originalURL = d->m_url;
     QString originalFilePath = d->m_file;
 
     d->m_url = url; // Store where to upload in saveToURL
     d->m_file = d->m_url.toLocalFile();
 
     bool result = save(showWarnings, exportConfiguration); // Save local file and upload local file
 
     if (!result) {
         d->m_url = originalURL;
         d->m_file = originalFilePath;
     }
 
     return result;
 }
 
 bool KisDocument::save(bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
 {
     //qDebug() << "save" << d->m_file << d->m_url << url() << localFilePath();
 
     if (d->m_file.isEmpty()) { // document was created empty
         d->m_file = d->m_url.toLocalFile();
     }
 
     updateEditingTime(true);
 
     setFileProgressProxy();
     setUrl(url());
 
     bool ok = saveFile(localFilePath(), showWarnings, exportConfiguration);
 
     clearFileProgressProxy();
 
     if (ok) {
         setModified( false );
         emit completed();
         return true; // Nothing to do
     }
     else {
         emit canceled(QString());
     }
     return false;
 }
 
 QByteArray KisDocument::serializeToNativeByteArray()
 {
     QByteArray byteArray;
     QBuffer buffer(&byteArray);
 
     QScopedPointer<KisImportExportFilter> filter(KisImportExportManager::filterForMimeType(nativeFormatMimeType(), KisImportExportManager::Export));
     filter->setBatchMode(true);
     filter->setMimeType(nativeFormatMimeType());
 
     if (!prepareLocksForSaving()) {
         return byteArray;
     }
 
     if (filter->convert(this, &buffer) != KisImportExportFilter::OK) {
         qWarning() << "serializeToByteArray():: Could not export to our native format";
     }
 
     unlockAfterSaving();
 
     return byteArray;
 }
 
 bool KisDocument::saveFile(const QString &filePath, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
 {
     if (!prepareLocksForSaving()) {
         return false;
     }
 
     // Unset the error message
     setErrorMessage("");
 
     // Save it to be able to restore it after a failed save
     const bool wasModified = isModified();
     bool ret = false;
     bool suppressErrorDialog = fileBatchMode();
     KisImportExportFilter::ConversionStatus status = KisImportExportFilter::OK;
 
     //qDebug() << "saveFile" << localFilePath() << QFileInfo(localFilePath()).exists() << !QFileInfo(localFilePath()).isWritable();
 
     if (QFileInfo(localFilePath()).exists() && !QFileInfo(localFilePath()).isWritable()) {
         setErrorMessage(i18n("%1 cannot be written to. Please save under a different name.", localFilePath()));
     }
     else {
 
         // The output format is set by KisMainWindow, and by openFile
         QByteArray outputMimeType = d->outputMimeType;
 
         if (outputMimeType.isEmpty()) {
             outputMimeType = d->outputMimeType = nativeFormatMimeType();
         }
 
         //qDebug() << "saveFile. Is Autosaving?" << isAutosaving() << "url" << filePath << d->outputMimeType;
 
         KisConfig cfg;
 
         if (cfg.backupFile()) {
             Q_ASSERT(url().isLocalFile());
             KBackup::backupFile(url().toLocalFile());
         }
 
         qApp->processEvents();
 
         setFileProgressUpdater(i18n("Saving Document"));
 
         //qDebug() << "saving to tempory file" << tempororaryFileName;
         status = d->importExportManager->exportDocument(localFilePath(), filePath, outputMimeType, showWarnings , exportConfiguration);
 
         ret = (status == KisImportExportFilter::OK);
         suppressErrorDialog = (fileBatchMode() || isAutosaving() || status == KisImportExportFilter::UserCancelled || status == KisImportExportFilter::BadConversionGraph);
         //qDebug() << "Export status was" << status;
 
         if (ret) {
 
             if (!d->isAutosaving && !d->suppressProgress) {
                 QPointer<KoUpdater> updater = d->progressUpdater->startSubtask(1, "clear undo stack");
                 updater->setProgress(0);
                 d->undoStack->setClean();
                 updater->setProgress(100);
             } else {
                 d->undoStack->setClean();
             }
 
             if (errorMessage().isEmpty()) {
                 if (!isAutosaving()) {
                     removeAutoSaveFiles();
                 }
             }
             else {
                 ret = false;
                 qWarning() << "Error while saving:" << errorMessage();
             }
             // Restart the autosave timer
             // (we don't want to autosave again 2 seconds after a real save)
             if (!isAutosaving()) {
                 setAutoSaveDelay(d->autoSaveDelay);
             }
 
             d->mimeType = outputMimeType;
         }
     }
 
     if (!ret) {
         if (!suppressErrorDialog) {
 
             if (errorMessage().isEmpty()) {
                 setErrorMessage(KisImportExportFilter::conversionStatusString(status));
             }
 
             if (errorMessage().isEmpty()) {
                 QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("Could not save\n%1", filePath));
             } else {
                 QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("Could not save %1\nReason: %2", filePath, errorMessage()));
             }
 
         }
 
         // couldn't save file so this new URL is invalid
         // FIXME: we should restore the current document's true URL instead of
         // setting it to nothing otherwise anything that depends on the URL
         // being correct will not work (i.e. the document will be called
         // "Untitled" which may not be true)
         //
         // Update: now the URL is restored in KisMainWindow but really, this
         // should still be fixed in KisDocument/KParts (ditto for file).
         // We still resetURL() here since we may or may not have been called
         // by KisMainWindow - Clarence
         resetURL();
 
         // As we did not save, restore the "was modified" status
         setModified(wasModified);
     }
 
     emit sigSavingFinished();
     clearFileProgressUpdater();
 
     unlockAfterSaving();
     return ret;
 }
 
 
 QByteArray KisDocument::mimeType() const
 {
     return d->mimeType;
 }
 
 void KisDocument::setMimeType(const QByteArray & mimeType)
 {
     d->mimeType = mimeType;
 }
 
 void KisDocument::setOutputMimeType(const QByteArray & mimeType)
 {
     d->outputMimeType = mimeType;
 }
 
 QByteArray KisDocument::outputMimeType() const
 {
     return d->outputMimeType;
 }
 
 bool KisDocument::fileBatchMode() const
 {
     return d->importExportManager->batchMode();
 }
 
 void KisDocument::setFileBatchMode(const bool batchMode)
 {
     d->importExportManager->setBatchMode(batchMode);
 }
 
 void KisDocument::slotAutoSave()
 {
-    //qDebug() << "slotAutoSave. Modified:"  << d->modified << "modifiedAfterAutosave" << d->modified << "url" << url() << localFilePath();
+    if (!d->modified || !d->modifiedAfterAutosave) return;
 
-    if (!d->isAutosaving && d->modified && d->modifiedAfterAutosave) {
+    QScopedPointer<KisDocument> clonedDocument;
 
-        connect(this, SIGNAL(sigProgress(int)), KisPart::instance()->currentMainwindow(), SLOT(slotProgress(int)));
-        emit statusBarMessage(i18n("Autosaving..."));
-        d->isAutosaving = true;
-        QString autoSaveFileName = generateAutoSaveFileName(localFilePath());
+    {
+        Private::StrippedSafeSavingLocker locker(&d->savingMutex, d->image);
+        if (!locker.successfullyLocked()) {
+            const int emergencyAutoSaveInterval = 10; // sec
+            setAutoSaveDelay(emergencyAutoSaveInterval);
+            return;
+        }
+        clonedDocument.reset(new KisDocument(*this));
+    }
+    KIS_SAFE_ASSERT_RECOVER_RETURN(clonedDocument);
 
-        QByteArray mimetype = d->outputMimeType;
-        d->outputMimeType = nativeFormatMimeType();
-        bool ret = exportDocument(QUrl::fromLocalFile(autoSaveFileName));
-        d->outputMimeType = mimetype;
+    // we block saving until the current saving is finished!
+    if (!d->savingMutex.tryLock()) return;
 
-        if (ret) {
-            d->modifiedAfterAutosave = false;
-            d->autoSaveTimer.stop(); // until the next change
-        }
-        d->isAutosaving = false;
+    KIS_ASSERT_RECOVER_RETURN(!d->backgroundSaveDocument);
+    d->backgroundSaveDocument.reset(clonedDocument.take());
 
+    emit statusBarMessage(i18n("Autosaving..."));
+    connect(d->backgroundSaveDocument.data(), SIGNAL(sigBackgroundSavingFinished(KisImportExportFilter::ConversionStatus)), SLOT(slotChildCompletedSavingInBackground(KisImportExportFilter::ConversionStatus)));
+
+    const QString autoSaveFileName = generateAutoSaveFileName(localFilePath());
+    bool started =
+        d->backgroundSaveDocument->startExportInBackground(QUrl::fromLocalFile(autoSaveFileName),
+                                                           nativeFormatMimeType());
+
+    if (!started) {
+        const int emergencyAutoSaveInterval = 10; // sec
+        setAutoSaveDelay(emergencyAutoSaveInterval);
+    }
+}
+
+void KisDocument::slotChildCompletedSavingInBackground(KisImportExportFilter::ConversionStatus status)
+{
+    KIS_SAFE_ASSERT_RECOVER(!d->savingMutex.tryLock()) {
+        d->savingMutex.unlock();
+        return;
+    }
+
+    KIS_SAFE_ASSERT_RECOVER_RETURN(d->backgroundSaveDocument);
+    d->backgroundSaveDocument.take()->deleteLater();
+    d->savingMutex.unlock();
+
+    if (status != KisImportExportFilter::OK) {
+        const int emergencyAutoSaveInterval = 10; // sec
+        setAutoSaveDelay(emergencyAutoSaveInterval);
+        emit statusBarMessage(i18n("Error during autosave! Partition full?"));
+    } else {
+        d->modifiedAfterAutosave = false;
+        KisConfig cfg;
+        d->autoSaveDelay = cfg.autoSaveInterval();
+        d->autoSaveTimer.stop(); // until the next change
         emit clearStatusBarMessage();
-        disconnect(this, SIGNAL(sigProgress(int)), KisPart::instance()->currentMainwindow(), SLOT(slotProgress(int)));
+    }
+}
 
-        if (!ret && !d->disregardAutosaveFailure) {
-            emit statusBarMessage(i18n("Error during autosave! Partition full?"));
-        }
+bool KisDocument::startExportInBackground(const QUrl &url,
+                                          const QByteArray &mimeType)
+{
+    const QString filePath = url.toLocalFile();
+
+    d->savingImage = d->image;
+    d->childSavingFuture =
+        d->importExportManager->exportDocumentAsyc(filePath,
+                                                   filePath,
+                                                   mimeType,
+                                                   false, 0);
+
+    if (d->childSavingFuture.isCanceled()) return false;
+
+    typedef QFutureWatcher<KisImportExportFilter::ConversionStatus> StatusWatcher;
+    StatusWatcher *watcher = new StatusWatcher();
+    watcher->setFuture(d->childSavingFuture);
+
+    connect(watcher, SIGNAL(finished()), SLOT(finishExportInBackground()));
+    connect(watcher, SIGNAL(finished()), watcher, SLOT(deleteLater()));
+
+    return true;
+}
+
+void KisDocument::finishExportInBackground()
+{
+    KIS_SAFE_ASSERT_RECOVER(d->childSavingFuture.isFinished()) {
+        emit sigBackgroundSavingFinished(KisImportExportFilter::InternalError);
+        return;
     }
+
+    KisImportExportFilter::ConversionStatus status =
+        d->childSavingFuture.result();
+
+    d->savingImage.clear();
+    d->childSavingFuture = QFuture<KisImportExportFilter::ConversionStatus>();
+    emit sigBackgroundSavingFinished(status);
 }
 
 void KisDocument::setReadWrite(bool readwrite)
 {
     d->readwrite = readwrite;
     setAutoSaveDelay(d->autoSaveDelay);
 
     Q_FOREACH (KisMainWindow *mainWindow, KisPart::instance()->mainWindows()) {
         mainWindow->setReadWrite(readwrite);
     }
 }
 
 void KisDocument::setAutoSaveDelay(int delay)
 {
     //qDebug() << "setting autosave delay from" << d->autoSaveDelay << "to" << delay;
     d->autoSaveDelay = delay;
     if (isReadWrite() && d->autoSaveDelay > 0) {
         d->autoSaveTimer.start(d->autoSaveDelay * 1000);
     }
     else {
         d->autoSaveTimer.stop();
     }
 }
 
 KoDocumentInfo *KisDocument::documentInfo() const
 {
     return d->docInfo;
 }
 
 bool KisDocument::isModified() const
 {
     return d->modified;
 }
 
 QPixmap KisDocument::generatePreview(const QSize& size)
 {
     KisImageSP image = d->image;
     if (d->savingImage) image = d->savingImage;
 
     if (image) {
         QRect bounds = image->bounds();
         QSize newSize = bounds.size();
         newSize.scale(size, Qt::KeepAspectRatio);
         QPixmap px = QPixmap::fromImage(image->convertToQImage(newSize, 0));
         if (px.size() == QSize(0,0)) {
             px = QPixmap(newSize);
             QPainter gc(&px);
             QBrush checkBrush = QBrush(KisCanvasWidgetBase::createCheckersImage(newSize.width() / 5));
             gc.fillRect(px.rect(), checkBrush);
             gc.end();
         }
         return px;
     }
     return QPixmap(size);
 }
 
 QString KisDocument::generateAutoSaveFileName(const QString & path) const
 {
     QString retval;
 
     // Using the extension allows to avoid relying on the mime magic when opening
     const QString extension (".kra");
 
     if (path.isEmpty()) {
         // Never saved?
 #ifdef Q_OS_WIN
         // On Windows, use the temp location (https://bugs.kde.org/show_bug.cgi?id=314921)
         retval = QString("%1%2.%3-%4-%5-autosave%6").arg(QDir::tempPath()).arg(QDir::separator()).arg("krita").arg(qApp->applicationPid()).arg(objectName()).arg(extension);
 #else
         // On Linux, use a temp file in $HOME then. Mark it with the pid so two instances don't overwrite each other's autosave file
         retval = QString("%1%2.%3-%4-%5-autosave%6").arg(QDir::homePath()).arg(QDir::separator()).arg("krita").arg(qApp->applicationPid()).arg(objectName()).arg(extension);
 #endif
     } else {
         QFileInfo fi(path);
         QString dir = fi.absolutePath();
         QString filename = fi.fileName();
         retval = QString("%1%2.%3-autosave%4").arg(dir).arg(QDir::separator()).arg(filename).arg(extension);
     }
 
     //qDebug() << "generateAutoSaveFileName() for path" << path << ":" << retval;
     return retval;
 }
 
 bool KisDocument::importDocument(const QUrl &_url)
 {
     bool ret;
 
     dbgUI << "url=" << _url.url();
 
     // open...
     ret = openUrl(_url);
 
     // reset url & m_file (kindly? set by KisParts::openUrl()) to simulate a
     // File --> Import
     if (ret) {
         dbgUI << "success, resetting url";
         resetURL();
         setTitleModified();
     }
 
     return ret;
 }
 
 
-bool KisDocument::openUrl(const QUrl &_url, KisDocument::OpenUrlFlags flags)
+bool KisDocument::openUrl(const QUrl &_url, OpenFlags flags)
 {
     if (!_url.isLocalFile()) {
         return false;
     }
     dbgUI << "url=" << _url.url();
     d->lastErrorMessage.clear();
 
     // Reimplemented, to add a check for autosave files and to improve error reporting
     if (!_url.isValid()) {
         d->lastErrorMessage = i18n("Malformed URL\n%1", _url.url());  // ## used anywhere ?
         return false;
     }
 
     QUrl url(_url);
     bool autosaveOpened = false;
     if (url.isLocalFile() && !fileBatchMode()) {
         QString file = url.toLocalFile();
         QString asf = generateAutoSaveFileName(file);
         if (QFile::exists(asf)) {
             KisApplication *kisApp = static_cast<KisApplication*>(qApp);
             kisApp->hideSplashScreen();
             //dbgUI <<"asf=" << asf;
             // ## TODO compare timestamps ?
             int res = QMessageBox::warning(0,
                                            i18nc("@title:window", "Krita"),
                                            i18n("An autosaved file exists for this document.\nDo you want to open the autosaved file instead?"),
                                            QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel, QMessageBox::Yes);
             switch (res) {
             case QMessageBox::Yes :
                 url.setPath(asf);
                 autosaveOpened = true;
                 break;
             case QMessageBox::No :
                 QFile::remove(asf);
                 break;
             default: // Cancel
                 return false;
             }
         }
     }
 
     bool ret = openUrlInternal(url);
 
-    if (autosaveOpened) {
-        resetURL(); // Force save to act like 'Save As'
+    if (autosaveOpened || flags & RecoveryFile) {
         setReadWrite(true); // enable save button
         setModified(true);
+        setRecovered(true);
     }
     else {
-        if( !(flags & OPEN_URL_FLAG_DO_NOT_ADD_TO_RECENT_FILES) ) {
+        if (!(flags & DontAddToRecent)) {
             KisPart::instance()->addRecentURLToAllMainWindows(_url);
         }
 
         if (ret) {
             // Detect readonly local-files; remote files are assumed to be writable
             QFileInfo fi(url.toLocalFile());
             setReadWrite(fi.isWritable());
         }
+
+        setRecovered(false);
     }
+
     return ret;
 }
 
 class DlgLoadMessages : public KoDialog {
 public:
     DlgLoadMessages(const QString &title, const QString &message, const QStringList &warnings) {
         setWindowTitle(title);
         setWindowIcon(KisIconUtils::loadIcon("dialog-warning"));
         QWidget *page = new QWidget(this);
         QVBoxLayout *layout = new QVBoxLayout(page);
         QHBoxLayout *hlayout = new QHBoxLayout();
         QLabel *labelWarning= new QLabel();
         labelWarning->setPixmap(KisIconUtils::loadIcon("dialog-warning").pixmap(32, 32));
         hlayout->addWidget(labelWarning);
         hlayout->addWidget(new QLabel(message));
         layout->addLayout(hlayout);
         QTextBrowser *browser = new QTextBrowser();
         QString warning = "<html><body><p><b>";
         if (warnings.size() == 1) {
             warning += "</b> Reason:</p>";
         }
         else {
             warning += "</b> Reasons:</p>";
         }
         warning += "<p/><ul>";
 
         Q_FOREACH(const QString &w, warnings) {
             warning += "\n<li>" + w + "</li>";
         }
         warning += "</ul>";
         browser->setHtml(warning);
         browser->setMinimumHeight(200);
         browser->setMinimumWidth(400);
         layout->addWidget(browser);
         setMainWidget(page);
         setButtons(KoDialog::Ok);
         resize(minimumSize());
     }
 };
 
 bool KisDocument::openFile()
 {
     //dbgUI <<"for" << localFilePath();
     if (!QFile::exists(localFilePath())) {
         QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("File %1 does not exist.", localFilePath()));
         return false;
     }
 
     QString filename = localFilePath();
     QString typeName = mimeType();
 
     if (typeName.isEmpty()) {
         typeName = KisMimeDatabase::mimeTypeForFile(filename);
     }
 
     //qDebug() << "mimetypes 4:" << typeName;
 
     // Allow to open backup files, don't keep the mimetype application/x-trash.
     if (typeName == "application/x-trash") {
         QString path = filename;
         while (path.length() > 0) {
             path.chop(1);
             typeName = KisMimeDatabase::mimeTypeForFile(path);
             //qDebug() << "\t" << path << typeName;
             if (!typeName.isEmpty()) {
                 break;
             }
         }
         //qDebug() << "chopped" << filename  << "to" << path << "Was trash, is" << typeName;
     }
     dbgUI << localFilePath() << "type:" << typeName;
 
     setFileProgressUpdater(i18n("Opening Document"));
 
     KisImportExportFilter::ConversionStatus status;
 
     status = d->importExportManager->importDocument(localFilePath(), typeName);
     if (status != KisImportExportFilter::OK) {
         QString msg = KisImportExportFilter::conversionStatusString(status);
         if (!msg.isEmpty()) {
             DlgLoadMessages dlg(i18nc("@title:window", "Krita"),
                                 i18n("Could not open %2.\nReason: %1.", msg, prettyPathOrUrl()),
                                 errorMessage().split("\n") + warningMessage().split("\n"));
             dlg.exec();
         }
         clearFileProgressUpdater();
         return false;
     }
     else if (!warningMessage().isEmpty()) {
         DlgLoadMessages dlg(i18nc("@title:window", "Krita"),
                             i18n("There were problems opening %1.", prettyPathOrUrl()),
                             warningMessage().split("\n"));
         dlg.exec();
         setUrl(QUrl());
     }
 
     setMimeTypeAfterLoading(typeName);
     emit sigLoadingFinished();
 
     if (!d->suppressProgress && d->progressUpdater) {
         QPointer<KoUpdater> updater = d->progressUpdater->startSubtask(1, "clear undo stack");
         updater->setProgress(0);
         undoStack()->clear();
         updater->setProgress(100);
 
         clearFileProgressUpdater();
     } else {
         undoStack()->clear();
     }
 
     return true;
 }
 
 KoProgressUpdater *KisDocument::progressUpdater() const
 {
     return d->progressUpdater;
 }
 
 void KisDocument::setProgressProxy(KoProgressProxy *progressProxy)
 {
     d->progressProxy = progressProxy;
 }
 
 KoProgressProxy* KisDocument::progressProxy() const
 {
     if (!d->progressProxy) {
         KisMainWindow *mainWindow = 0;
         if (KisPart::instance()->mainwindowCount() > 0) {
             mainWindow = KisPart::instance()->mainWindows()[0];
         }
         d->progressProxy = new DocumentProgressProxy(mainWindow);
     }
     return d->progressProxy;
 }
 
 // shared between openFile and koMainWindow's "create new empty document" code
 void KisDocument::setMimeTypeAfterLoading(const QString& mimeType)
 {
     d->mimeType = mimeType.toLatin1();
     d->outputMimeType = d->mimeType;
 }
 
 
 bool KisDocument::loadNativeFormat(const QString & file_)
 {
     return openUrl(QUrl::fromLocalFile(file_));
 }
 
 void KisDocument::setModified()
 {
     d->modified = true;
 }
 
 void KisDocument::setModified(bool mod)
 {
     if (mod) {
         updateEditingTime(false);
     }
 
     if (d->isAutosaving)   // ignore setModified calls due to autosaving
         return;
 
     if ( !d->readwrite && d->modified ) {
         errKrita << "Can't set a read-only document to 'modified' !" << endl;
         return;
     }
 
     //dbgUI<<" url:" << url.path();
     //dbgUI<<" mod="<<mod<<" MParts mod="<<KisParts::ReadWritePart::isModified()<<" isModified="<<isModified();
 
     if (mod && !d->modifiedAfterAutosave) {
         // First change since last autosave -> start the autosave timer
         setAutoSaveDelay(d->autoSaveDelay);
     }
     d->modifiedAfterAutosave = mod;
 
     if (mod == isModified())
         return;
 
     d->modified = mod;
 
     if (mod) {
         documentInfo()->updateParameters();
     }
 
     // This influences the title
     setTitleModified();
     emit modified(mod);
 }
 
+void KisDocument::setRecovered(bool value)
+{
+    d->isRecovered = value;
+}
+
+bool KisDocument::isRecovered() const
+{
+    return d->isRecovered;
+}
+
 void KisDocument::updateEditingTime(bool forceStoreElapsed)
 {
     QDateTime now = QDateTime::currentDateTime();
     int firstModDelta = d->firstMod.secsTo(now);
     int lastModDelta = d->lastMod.secsTo(now);
 
     if (lastModDelta > 30) {
         d->docInfo->setAboutInfo("editing-time", QString::number(d->docInfo->aboutInfo("editing-time").toInt() + d->firstMod.secsTo(d->lastMod)));
         d->firstMod = now;
     } else if (firstModDelta > 60 || forceStoreElapsed) {
         d->docInfo->setAboutInfo("editing-time", QString::number(d->docInfo->aboutInfo("editing-time").toInt() + firstModDelta));
         d->firstMod = now;
     }
 
     d->lastMod = now;
 }
 
 QString KisDocument::prettyPathOrUrl() const
 {
     QString _url(url().toDisplayString());
 #ifdef Q_OS_WIN
     if (url().isLocalFile()) {
         _url = QDir::toNativeSeparators(_url);
     }
 #endif
     return _url;
 }
 
 // Get caption from document info (title(), in about page)
 QString KisDocument::caption() const
 {
     QString c;
     if (documentInfo()) {
         c = documentInfo()->aboutInfo("title");
     }
     const QString _url(url().fileName());
     if (!c.isEmpty() && !_url.isEmpty()) {
         c = QString("%1 - %2").arg(c).arg(_url);
     }
     else if (c.isEmpty()) {
         c = _url; // Fall back to document URL
     }
     return c;
 }
 
 void KisDocument::setTitleModified()
 {
     emit titleModified(caption(), isModified());
 }
 
 QDomDocument KisDocument::createDomDocument(const QString& tagName, const QString& version) const
 {
     return createDomDocument("krita", tagName, version);
 }
 
 //static
 QDomDocument KisDocument::createDomDocument(const QString& appName, const QString& tagName, const QString& version)
 {
     QDomImplementation impl;
     QString url = QString("http://www.calligra.org/DTD/%1-%2.dtd").arg(appName).arg(version);
     QDomDocumentType dtype = impl.createDocumentType(tagName,
                                                      QString("-//KDE//DTD %1 %2//EN").arg(appName).arg(version),
                                                      url);
     // The namespace URN doesn't need to include the version number.
     QString namespaceURN = QString("http://www.calligra.org/DTD/%1").arg(appName);
     QDomDocument doc = impl.createDocument(namespaceURN, tagName, dtype);
     doc.insertBefore(doc.createProcessingInstruction("xml", "version=\"1.0\" encoding=\"UTF-8\""), doc.documentElement());
     return doc;
 }
 
 bool KisDocument::isNativeFormat(const QByteArray& mimetype) const
 {
     if (mimetype == nativeFormatMimeType())
         return true;
     return extraNativeMimeTypes().contains(mimetype);
 }
 
 void KisDocument::setErrorMessage(const QString& errMsg)
 {
     d->lastErrorMessage = errMsg;
 }
 
 QString KisDocument::errorMessage() const
 {
     return d->lastErrorMessage;
 }
 
 void KisDocument::setWarningMessage(const QString& warningMsg)
 {
     d->lastWarningMessage = warningMsg;
 }
 
 QString KisDocument::warningMessage() const
 {
     return d->lastWarningMessage;
 }
 
 
 void KisDocument::removeAutoSaveFiles()
 {
     //qDebug() << "removeAutoSaveFiles";
     // Eliminate any auto-save file
     QString asf = generateAutoSaveFileName(localFilePath());   // the one in the current dir
     //qDebug() << "\tfilename:" << asf << "exists:" << QFile::exists(asf);
     if (QFile::exists(asf)) {
         //qDebug() << "\tremoving autosavefile" << asf;
         QFile::remove(asf);
     }
     asf = generateAutoSaveFileName(QString());   // and the one in $HOME
     //qDebug() << "Autsavefile in $home" << asf;
     if (QFile::exists(asf)) {
         //qDebug() << "\tremoving autsavefile 2" << asf;
         QFile::remove(asf);
     }
 }
 
 KoUnit KisDocument::unit() const
 {
     return d->unit;
 }
 
 void KisDocument::setUnit(const KoUnit &unit)
 {
     if (d->unit != unit) {
         d->unit = unit;
         emit unitChanged(unit);
     }
 }
 
 KUndo2Stack *KisDocument::undoStack()
 {
     return d->undoStack;
 }
 
 KisImportExportManager *KisDocument::importExportManager() const
 {
     return d->importExportManager;
 }
 
 void KisDocument::addCommand(KUndo2Command *command)
 {
     if (command)
         d->undoStack->push(command);
 }
 
 void KisDocument::beginMacro(const KUndo2MagicString & text)
 {
     d->undoStack->beginMacro(text);
 }
 
 void KisDocument::endMacro()
 {
     d->undoStack->endMacro();
 }
 
 void KisDocument::slotUndoStackIndexChanged(int idx)
 {
     // even if the document was already modified, call setModified to re-start autosave timer
     setModified(idx != d->undoStack->cleanIndex());
 }
 
 void KisDocument::slotConfigChanged()
 {
     KisConfig cfg;
     d->undoStack->setUndoLimit(cfg.undoStackLimit());
     setAutoSaveDelay(cfg.autoSaveInterval());
 }
 
 void KisDocument::clearUndoHistory()
 {
     d->undoStack->clear();
 }
 
 KisGridConfig KisDocument::gridConfig() const
 {
     return d->gridConfig;
 }
 
 void KisDocument::setGridConfig(const KisGridConfig &config)
 {
     d->gridConfig = config;
 }
 
 const KisGuidesConfig& KisDocument::guidesConfig() const
 {
     return d->guidesConfig;
 }
 
 void KisDocument::setGuidesConfig(const KisGuidesConfig &data)
 {
     if (d->guidesConfig == data) return;
 
     d->guidesConfig = data;
     emit sigGuidesConfigChanged(d->guidesConfig);
 }
 
 void KisDocument::resetURL() {
     setUrl(QUrl());
     setLocalFilePath(QString());
 }
 
 KoDocumentInfoDlg *KisDocument::createDocumentInfoDialog(QWidget *parent, KoDocumentInfo *docInfo) const
 {
     return new KoDocumentInfoDlg(parent, docInfo);
 }
 
 bool KisDocument::isReadWrite() const
 {
     return d->readwrite;
 }
 
 QUrl KisDocument::url() const
 {
     return d->m_url;
 }
 
 bool KisDocument::closeUrl(bool promptToSave)
 {
     if (promptToSave) {
         if ( isReadWrite() && isModified()) {
             Q_FOREACH (KisView *view, KisPart::instance()->views()) {
                 if (view && view->document() == this) {
                     if (!view->queryClose()) {
                         return false;
                     }
                 }
             }
         }
     }
     // Not modified => ok and delete temp file.
     d->mimeType = QByteArray();
 
     // It always succeeds for a read-only part,
     // but the return value exists for reimplementations
     // (e.g. pressing cancel for a modified read-write part)
     return true;
 }
 
 
 
 void KisDocument::setUrl(const QUrl &url)
 {
     d->m_url = url;
 }
 
 QString KisDocument::localFilePath() const
 {
     return d->m_file;
 }
 
 
 void KisDocument::setLocalFilePath( const QString &localFilePath )
 {
     d->m_file = localFilePath;
 }
 
 bool KisDocument::openUrlInternal(const QUrl &url)
 {
     if ( !url.isValid() )
         return false;
 
     if (d->m_bAutoDetectedMime) {
         d->mimeType = QByteArray();
         d->m_bAutoDetectedMime = false;
     }
 
     QByteArray mimetype = d->mimeType;
 
     if ( !closeUrl() )
         return false;
 
     d->mimeType = mimetype;
     setUrl(url);
 
     d->m_file.clear();
 
     if (d->m_url.isLocalFile()) {
         d->m_file = d->m_url.toLocalFile();
         bool ret;
         // set the mimetype only if it was not already set (for example, by the host application)
         if (d->mimeType.isEmpty()) {
             // get the mimetype of the file
             // using findByUrl() to avoid another string -> url conversion
             QString mime = KisMimeDatabase::mimeTypeForFile(d->m_url.toLocalFile());
             d->mimeType = mime.toLocal8Bit();
             d->m_bAutoDetectedMime = true;
         }
         setFileProgressProxy();
         setUrl(d->m_url);
         ret = openFile();
         clearFileProgressProxy();
 
         if (ret) {
             emit completed();
         } else {
             emit canceled(QString());
         }
         return ret;
     }
     return false;
 }
 
 bool KisDocument::newImage(const QString& name,
                            qint32 width, qint32 height,
                            const KoColorSpace* cs,
                            const KoColor &bgColor, bool backgroundAsLayer,
                            int numberOfLayers,
                            const QString &description, const double imageResolution)
 {
     Q_ASSERT(cs);
 
     KisConfig cfg;
 
     KisImageSP image;
     KisPaintLayerSP layer;
 
     if (!cs) return false;
 
     QApplication::setOverrideCursor(Qt::BusyCursor);
 
     image = new KisImage(createUndoStore(), width, height, cs, name);
 
     Q_CHECK_PTR(image);
 
     connect(image, SIGNAL(sigImageModified()), this, SLOT(setImageModified()), Qt::UniqueConnection);
     image->setResolution(imageResolution, imageResolution);
 
     image->assignImageProfile(cs->profile());
     documentInfo()->setAboutInfo("title", name);
     if (name != i18n("Unnamed") && !name.isEmpty()) {
         setUrl(QUrl::fromLocalFile(QDesktopServices::storageLocation(QDesktopServices::PicturesLocation) + '/' + name + ".kra"));
     }
     documentInfo()->setAboutInfo("abstract", description);
 
     layer = new KisPaintLayer(image.data(), image->nextLayerName(), OPACITY_OPAQUE_U8, cs);
     Q_CHECK_PTR(layer);
 
     if (backgroundAsLayer) {
         image->setDefaultProjectionColor(KoColor(cs));
 
         if (bgColor.opacityU8() == OPACITY_OPAQUE_U8) {
             layer->paintDevice()->setDefaultPixel(bgColor);
         } else {
             // Hack: with a semi-transparent background color, the projection isn't composited right if we just set the default pixel
             KisFillPainter painter;
             painter.begin(layer->paintDevice());
             painter.fillRect(0, 0, width, height, bgColor, bgColor.opacityU8());
         }
     } else {
         image->setDefaultProjectionColor(bgColor);
     }
     layer->setDirty(QRect(0, 0, width, height));
 
     image->addNode(layer.data(), image->rootLayer().data());
     setCurrentImage(image);
 
     for(int i = 1; i < numberOfLayers; ++i) {
         KisPaintLayerSP layer = new KisPaintLayer(image, image->nextLayerName(), OPACITY_OPAQUE_U8, cs);
         image->addNode(layer, image->root(), i);
         layer->setDirty(QRect(0, 0, width, height));
     }
 
     cfg.defImageWidth(width);
     cfg.defImageHeight(height);
     cfg.defImageResolution(imageResolution);
     cfg.defColorModel(image->colorSpace()->colorModelId().id());
     cfg.setDefaultColorDepth(image->colorSpace()->colorDepthId().id());
     cfg.defColorProfile(image->colorSpace()->profile()->name());
 
     QApplication::restoreOverrideCursor();
 
     return true;
 }
 
 KoShapeBasedDocumentBase *KisDocument::shapeController() const
 {
     return d->shapeController;
 }
 
 KoShapeLayer* KisDocument::shapeForNode(KisNodeSP layer) const
 {
     return d->shapeController->shapeForNode(layer);
 }
 
 vKisNodeSP KisDocument::activeNodes() const
 {
     vKisNodeSP nodes;
     Q_FOREACH (KisView *v, KisPart::instance()->views()) {
         if (v->document() == this && v->viewManager()) {
             KisNodeSP activeNode = v->viewManager()->activeNode();
             if (activeNode && !nodes.contains(activeNode)) {
                 if (activeNode->inherits("KisMask")) {
                     activeNode = activeNode->parent();
                 }
                 nodes.append(activeNode);
             }
         }
     }
     return nodes;
 }
 
 QList<KisPaintingAssistantSP> KisDocument::assistants() const
 {
     return d->assistants;
 }
 
 void KisDocument::setAssistants(const QList<KisPaintingAssistantSP> value)
 {
     d->assistants = value;
 }
 
 void KisDocument::setPreActivatedNode(KisNodeSP activatedNode)
 {
     d->preActivatedNode = activatedNode;
 }
 
 KisNodeSP KisDocument::preActivatedNode() const
 {
     return d->preActivatedNode;
 }
 
 void KisDocument::setFileProgressUpdater(const QString &text)
 {
     d->suppressProgress = d->importExportManager->batchMode();
 
     if (!d->suppressProgress) {
         d->progressUpdater = new KoProgressUpdater(d->progressProxy, KoProgressUpdater::Unthreaded);
         d->progressUpdater->start(100, text);
         d->importExportManager->setProgresUpdater(d->progressUpdater);
         if (KisPart::instance()->currentMainwindow()) {
             connect(this, SIGNAL(sigProgress(int)), KisPart::instance()->currentMainwindow(), SLOT(slotProgress(int)));
             connect(KisPart::instance()->currentMainwindow(), SIGNAL(sigProgressCanceled()), this, SIGNAL(sigProgressCanceled()));
         }
     }
 }
 
 void KisDocument::clearFileProgressUpdater()
 {
     if (!d->suppressProgress && d->progressUpdater) {
         if (KisPart::instance()->currentMainwindow()) {
             disconnect(KisPart::instance()->currentMainwindow(), SIGNAL(sigProgressCanceled()), this, SIGNAL(sigProgressCanceled()));
             disconnect(this, SIGNAL(sigProgress(int)), KisPart::instance()->currentMainwindow(), SLOT(slotProgress(int)));
         }
         delete d->progressUpdater;
         d->importExportManager->setProgresUpdater(0);
         d->progressUpdater = 0;
     }
 }
 
 void KisDocument::setFileProgressProxy()
 {
     if (!d->progressProxy && !d->importExportManager->batchMode()) {
         d->fileProgressProxy = progressProxy();
     } else {
         d->fileProgressProxy = 0;
     }
 }
 
 void KisDocument::clearFileProgressProxy()
 {
     if (d->fileProgressProxy) {
         setProgressProxy(0);
         delete d->fileProgressProxy;
         d->fileProgressProxy = 0;
     }
 }
 
 KisImageWSP KisDocument::image() const
 {
     return d->image;
 }
 
 KisImageSP KisDocument::savingImage() const
 {
     return d->savingImage;
 }
 
 
 void KisDocument::setCurrentImage(KisImageSP image)
 {
     if (d->image) {
         // Disconnect existing sig/slot connections
         d->image->disconnect(this);
         d->shapeController->setImage(0);
         d->image = 0;
     }
 
     if (!image) return;
 
     d->setImageAndInitIdleWatcher(image);
     d->shapeController->setImage(image);
     setModified(false);
     connect(d->image, SIGNAL(sigImageModified()), this, SLOT(setImageModified()), Qt::UniqueConnection);
     d->image->initialRefreshGraph();
     setAutoSaveDelay(KisConfig().autoSaveInterval());
 }
 
 void KisDocument::setImageModified()
 {
     setModified(true);
 }
 
 
 KisUndoStore* KisDocument::createUndoStore()
 {
     return new KisDocumentUndoStore(this);
 }
 
 bool KisDocument::isAutosaving() const
 {
     return d->isAutosaving;
 }
 
 bool KisDocument::prepareLocksForSaving()
 {
     KisImageSP copiedImage;
     // XXX: Restore this when
     // a) cloning works correctly and
     // b) doesn't take ages because it needs to refresh its entire graph and finally,
     // c) we do use the saving image to save in the background.
     {
         Private::SafeSavingLocker locker(d, this);
         if (locker.successfullyLocked()) {
 
             copiedImage = d->image; //->clone(true);
         }
         else if (!isAutosaving()) {
             // even though it is a recovery operation, we should ensure we do not enter saving twice!
             std::unique_lock<StdLockableWrapper<QMutex>> l(d->savingLock, std::try_to_lock);
 
             if (l.owns_lock()) {
                 d->lastErrorMessage = i18n("The image was still busy while saving. Your saved image might be incomplete.");
                 d->image->lock();
                 copiedImage = d->image; //->clone(true);
                 //copiedImage->initialRefreshGraph();
                 d->image->unlock();
             }
         }
     }
 
     bool result = false;
 
     // ensure we do not enter saving twice
     if (copiedImage && d->savingMutex.tryLock()) {
         d->savingImage = copiedImage;
         result = true;
     } else {
         qWarning() << "Could not lock the document for saving!";
         d->lastErrorMessage = i18n("Could not lock the image for saving.");
     }
 
     return result;
 }
 
 void KisDocument::unlockAfterSaving()
 {
     d->savingImage = 0;
     d->savingMutex.unlock();
 }
 
diff --git a/libs/ui/KisDocument.h b/libs/ui/KisDocument.h
index 2caa4a9c0f..0943e25ae3 100644
--- a/libs/ui/KisDocument.h
+++ b/libs/ui/KisDocument.h
@@ -1,612 +1,626 @@
 /* This file is part of the Krita project
  *
  * Copyright (C) 2014 Boudewijn Rempt <boud@kogmbh.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef KISDOCUMENT_H
 #define KISDOCUMENT_H
 
 #include <QDateTime>
 #include <QTransform>
 #include <QList>
 
 #include <klocalizedstring.h>
 
 #include <KoPageLayout.h>
 #include <KoDocumentBase.h>
 #include <kundo2stack.h>
 
+#include <KisImportExportFilter.h>
 #include <kis_properties_configuration.h>
 #include <kis_types.h>
 #include <kis_painting_assistant.h>
 #include <kis_debug.h>
 
 #include "kritaui_export.h"
 
 class QString;
 
 class KUndo2Command;
 class KoUnit;
 
 class KoColor;
 class KoColorSpace;
 class KoShapeBasedDocumentBase;
 class KoShapeLayer;
 class KoStore;
 class KoOdfReadStore;
 class KoDocumentInfo;
 class KoProgressUpdater;
 class KoProgressProxy;
 class KoDocumentInfoDlg;
 class KisImportExportManager;
 class KisUndoStore;
 class KisPaintingAssistant;
 class KisPart;
 class KisGridConfig;
 class KisGuidesConfig;
 class QDomDocument;
 
 class KisPart;
 
 #define KIS_MIME_TYPE "application/x-krita"
 
 /**
  *  The %Calligra document class
  *
  *  This class provides some functionality each %Calligra document should have.
  *
  *  @short The %Calligra document class
  */
 class KRITAUI_EXPORT KisDocument : public QObject, public KoDocumentBase
 {
     Q_OBJECT
 
 protected:
 
     explicit KisDocument();
 
     /**
      * @brief KisDocument makes a deep copy of the document \p rhs.
      *        The caller *must* ensure that the image is properly
      *        locked and is in consistent state before asking for
      *        cloning.
      * @param rhs the source document to copy from
      */
     explicit KisDocument(const KisDocument &rhs);
 
 public:
-
-    enum OpenUrlFlags {
-        OPEN_URL_FLAG_NONE                       = 1 << 0,
-        OPEN_URL_FLAG_DO_NOT_ADD_TO_RECENT_FILES = 1 << 1,
+    enum OpenFlag {
+        None = 0,
+        DontAddToRecent = 0x1,
+        RecoveryFile = 0x2
     };
+    Q_DECLARE_FLAGS(OpenFlags, OpenFlag)
 
     /**
      *  Destructor.
      *
      * The destructor does not delete any attached KisView objects and it does not
      * delete the attached widget as returned by widget().
      */
     virtual ~KisDocument();
 
     /**
      * @brief reload Reloads the document from the original url
      * @return the result of loading the document
      */
     bool reload();
 
     /**
      * @brief openUrl Open an URL
      * @param url The URL to open
      * @param flags Control specific behavior
      * @return success status
      */
-    bool openUrl(const QUrl &url, OpenUrlFlags flags = OPEN_URL_FLAG_NONE);
+    bool openUrl(const QUrl &url, OpenFlags flags = None);
 
     /**
      * Opens the document given by @p url, without storing the URL
      * in the KisDocument.
      * Call this instead of openUrl() to implement KisMainWindow's
      * File --> Import feature.
      *
      * @note This will call openUrl(). To differentiate this from an ordinary
      *       Open operation (in any reimplementation of openUrl() or openFile())
      *       call isImporting().
      */
     bool importDocument(const QUrl &url);
 
     /**
      * Saves the document as @p url without changing the state of the
      * KisDocument (URL, modified flag etc.). Call this instead of
      * KisParts::ReadWritePart::saveAs() to implement KisMainWindow's
      * File --> Export feature.
      */
     bool exportDocument(const QUrl &url, KisPropertiesConfigurationSP exportConfiguration = 0);
 
     /**
      * @brief Sets whether the document can be edited or is read only.
      *
      * This recursively applied to all child documents and
      * KisView::updateReadWrite is called for every attached
      * view.
      */
     void setReadWrite(bool readwrite = true);
 
     /**
      * To be preferred when a document exists. It is fast when calling
      * it multiple times since it caches the result that readNativeFormatMimeType()
      * delivers.
      * This comes from the X-KDE-NativeMimeType key in the .desktop file.
      */
     static QByteArray nativeFormatMimeType() { return KIS_MIME_TYPE; }
 
     /// Checks whether a given mimetype can be handled natively.
     bool isNativeFormat(const QByteArray& mimetype) const;
 
     /// Returns a list of the mimetypes considered "native", i.e. which can
     /// be saved by KisDocument without a filter, in *addition* to the main one
     static QStringList extraNativeMimeTypes() { return QStringList() << KIS_MIME_TYPE; }
 
     /**
      * Returns the actual mimetype of the document
      */
     QByteArray mimeType() const;
 
     /**
      * @brief Sets the mime type for the document.
      *
      * When choosing "save as" this is also the mime type
      * selected by default.
      */
     void setMimeType(const QByteArray & mimeType);
 
     /**
      * @brief Set the format in which the document should be saved.
      *
      * This is called on loading, and in "save as", so you shouldn't
      * have to call it.
      *
      * @param mimeType the mime type (format) to use.
      */
     void setOutputMimeType(const QByteArray & mimeType);
     QByteArray outputMimeType() const;
 
     /**
      * @return true if file operations should inhibit the option dialog
      */
     bool fileBatchMode() const;
 
     /**
      * @param batchMode if true, do not show the option dialog for file operations.
      */
     void setFileBatchMode(const bool batchMode);
 
     /**
      * Sets the error message to be shown to the user (use i18n()!)
      * when loading or saving fails.
      * If you asked the user about something and they chose "Cancel",
      */
     void setErrorMessage(const QString& errMsg);
 
     /**
      * Return the last error message. Usually KisDocument takes care of
      * showing it; this method is mostly provided for non-interactive use.
      */
     QString errorMessage() const;
 
     /**
      * Sets the warning message to be shown to the user (use i18n()!)
      * when loading or saving fails.
      */
     void setWarningMessage(const QString& warningMsg);
 
     /**
      * Return the last warning message set by loading or saving. Warnings
      * mean that the document could not be completely loaded, but the errors
      * were not absolutely fatal.
      */
     QString warningMessage() const;
 
     /**
      * @brief Generates a preview picture of the document
      * @note The preview is used in the File Dialog and also to create the Thumbnail
      */
     QPixmap generatePreview(const QSize& size);
 
     /**
      *  Tells the document that its title has been modified, either because
      *  the modified status changes (this is done by setModified() ) or
      *  because the URL or the document-info's title changed.
      */
     void setTitleModified();
 
     /**
      *  @brief Sets the document to empty.
      *
      *  Used after loading a template
      *  (which is not empty, but not the user's input).
      *
      *  @see isEmpty()
      */
     void setEmpty(bool empty = true);
 
     /**
      *  Return a correctly created QDomDocument for this KisDocument,
      *  including processing instruction, complete DOCTYPE tag (with systemId and publicId), and root element.
      *  @param tagName the name of the tag for the root element
      *  @param version the DTD version (usually the application's version).
      */
     QDomDocument createDomDocument(const QString& tagName, const QString& version) const;
 
     /**
      *  Return a correctly created QDomDocument for an old (1.3-style) %Calligra document,
      *  including processing instruction, complete DOCTYPE tag (with systemId and publicId), and root element.
      *  This static method can be used e.g. by filters.
      *  @param appName the app's instance name, e.g. words, kspread, kpresenter etc.
      *  @param tagName the name of the tag for the root element, e.g. DOC for words/kpresenter.
      *  @param version the DTD version (usually the application's version).
      */
     static QDomDocument createDomDocument(const QString& appName, const QString& tagName, const QString& version);
 
    /**
      *  Loads a document in the native format from a given URL.
      *  Reimplement if your native format isn't XML.
      *
      *  @param file the file to load - usually KReadOnlyPart::m_file or the result of a filter
      */
     bool loadNativeFormat(const QString & file);
 
     /**
      * Activate/deactivate/configure the autosave feature.
      * @param delay in seconds, 0 to disable
      */
     void setAutoSaveDelay(int delay);
 
     /**
      * @return the information concerning this document.
      * @see KoDocumentInfo
      */
     KoDocumentInfo *documentInfo() const;
 
     /**
      * @return the object to report progress to.
      *
      * This is only not zero if loading or saving is in progress.
      *
      * One can add more KoUpdaters to it to make the progress reporting more
      * accurate. If no active progress reporter is present, 0 is returned.
      **/
     KoProgressUpdater *progressUpdater() const;
 
     /**
      * Set a custom progress proxy to use to report loading
      * progress to.
      */
     void setProgressProxy(KoProgressProxy *progressProxy);
     KoProgressProxy* progressProxy() const;
 
     /**
      * Performs a cleanup of unneeded backup files
      */
     void removeAutoSaveFiles();
 
     /**
      * Returns true if this document or any of its internal child documents are modified.
      */
     bool isModified() const;
 
     /**
      * @return caption of the document
      *
      * Caption is of the form "[title] - [url]",
      * built out of the document info (title) and pretty-printed
      * document URL.
      * If the title is not present, only the URL it returned.
      */
     QString caption() const;
 
     /**
      * Sets the document URL to empty URL
      * KParts doesn't allow this, but %Calligra apps have e.g. templates
      * After using loadNativeFormat on a template, one wants
      * to set the url to QUrl()
      */
     void resetURL();
 
     /**
      * @internal (public for KisMainWindow)
      */
     void setMimeTypeAfterLoading(const QString& mimeType);
 
     /**
      * Returns the unit used to display all measures/distances.
      */
     KoUnit unit() const;
 
     /**
      * Sets the unit used to display all measures/distances.
      */
     void setUnit(const KoUnit &unit);
 
     KisGridConfig gridConfig() const;
     void setGridConfig(const KisGridConfig &config);
 
     /// returns the guides data for this document.
     const KisGuidesConfig& guidesConfig() const;
     void setGuidesConfig(const KisGuidesConfig &data);
 
     void clearUndoHistory();
 
 
     /**
      *  Sets the modified flag on the document. This means that it has
      *  to be saved or not before deleting it.
      */
     void setModified(bool _mod);
 
+    void setRecovered(bool value);
+    bool isRecovered() const;
+
     void updateEditingTime(bool forceStoreElapsed);
 
     /**
      * Returns the global undo stack
      */
     KUndo2Stack *undoStack();
 
 
     /**
      * @brief importExportManager gives access to the internal import/export manager
      * @return the document's import/export manager
      */
     KisImportExportManager *importExportManager() const;
 
     /**
      * @brief serializeToNativeByteArray daves the document into a .kra file wtitten
      * to a memory-based byte-array
      * @return a byte array containing the .kra file
      */
     QByteArray serializeToNativeByteArray();
 
 public Q_SLOTS:
 
     /**
      * Adds a command to the undo stack and executes it by calling the redo() function.
      * @param command command to add to the undo stack
      */
     void addCommand(KUndo2Command *command);
 
     /**
      * Begins recording of a macro command. At the end endMacro needs to be called.
      * @param text command description
      */
     void beginMacro(const KUndo2MagicString &text);
 
     /**
      * Ends the recording of a macro command.
      */
     void endMacro();
 
 Q_SIGNALS:
 
     /**
      * This signal is emitted when the unit is changed by setUnit().
      * It is common to connect views to it, in order to change the displayed units
      * (e.g. in the rulers)
      */
     void unitChanged(const KoUnit &unit);
 
     /**
      * Progress info while loading or saving. The value is in percents (i.e. a number between 0 and 100)
      * Your KisDocument-derived class should emit the signal now and then during load/save.
      * KisMainWindow will take care of displaying a progress bar automatically.
      */
     void sigProgress(int value);
 
     /**
      * Progress cancel button pressed
      * This is emitted by KisDocument
      */
     void sigProgressCanceled();
 
     /**
      * Emitted e.g. at the beginning of a save operation
      * This is emitted by KisDocument and used by KisView to display a statusbar message
      */
     void statusBarMessage(const QString& text);
 
     /**
      * Emitted e.g. at the end of a save operation
      * This is emitted by KisDocument and used by KisView to clear the statusbar message
      */
     void clearStatusBarMessage();
 
     /**
     * Emitted when the document is modified
     */
     void modified(bool);
 
     void titleModified(const QString &caption, bool isModified);
 
     void sigLoadingFinished();
 
     void sigSavingFinished();
 
     void sigGuidesConfigChanged(const KisGuidesConfig &config);
 
+    void sigBackgroundSavingFinished(KisImportExportFilter::ConversionStatus status);
+
+private Q_SLOTS:
+    void finishExportInBackground();
+    void slotChildCompletedSavingInBackground(KisImportExportFilter::ConversionStatus status);
 private:
 
     friend class KisPart;
     friend class SafeSavingLocker;
 
+    bool startExportInBackground(const QUrl &url,
+                                 const QByteArray &mimeType);
+
     /**
      * Generate a name for the document.
      */
     QString newObjectName();
 
     QString generateAutoSaveFileName(const QString & path) const;
 
     /**
      *  Loads a document
      *
      *  Applies a filter if necessary, and calls loadNativeFormat in any case
      *  You should not have to reimplement, except for very special cases.
      *
      * NOTE: this method also creates a new KisView instance!
      *
      * This method is called from the KReadOnlyPart::openUrl method.
      */
     bool openFile();
 
     /**
      *  Saves a document
      *
      *  Applies a filter if necessary, and calls exportDocument in any case
      *  You should not have to reimplement, except for very special cases.
      */
     bool saveFile(const QString &filePath, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration = 0);
 
 
     /** @internal */
     void setModified();
 
 public:
 
     bool isAutosaving() const;
 
 public:
 
     QString localFilePath() const;
     void setLocalFilePath( const QString &localFilePath );
 
     KoDocumentInfoDlg* createDocumentInfoDialog(QWidget *parent, KoDocumentInfo *docInfo) const;
 
     bool isReadWrite() const;
 
     QUrl url() const;
     void setUrl(const QUrl &url);
 
     bool closeUrl(bool promptToSave = true);
 
     bool saveAs(const QUrl &url, bool showWarnings, KisPropertiesConfigurationSP exportConfigration = 0);
 
     /**
      * Create a new image that has this document as a parent and
      * replace the current image with this image.
      */
     bool newImage(const QString& name, qint32 width, qint32 height, const KoColorSpace * cs, const KoColor &bgColor, bool backgroundAsLayer,
                   int numberOfLayers, const QString &imageDescription, const double imageResolution);
 
 
     KisImageWSP image() const;
 
     /**
      * @brief savingImage provides a detached, shallow copy of the original image that must be used when saving.
      * Any strokes in progress will not be applied to this image, so the result might be missing some data. On
      * the other hand, it won't block.
      *
      * @return a shallow copy of the original image, or 0 is saving is not in progress
      */
     KisImageSP savingImage() const;
 
     /**
      * Adds progressproxy for file operations
      */
     void setFileProgressProxy();
 
     /**
      * Clears progressproxy for file operations
      */
     void clearFileProgressProxy();
 
     /**
      * Adds progressupdater for file operations
      */
     void setFileProgressUpdater(const QString &text);
 
     /**
      * Clears progressupdater for file operations
      */
     void clearFileProgressUpdater();
 
     /**
      * Set the current image to the specified image and turn undo on.
      */
     void setCurrentImage(KisImageSP image);
 
     KisUndoStore* createUndoStore();
 
     /**
      * The shape controller matches internal krita image layers with
      * the flake shape hierarchy.
      */
     KoShapeBasedDocumentBase * shapeController() const;
 
     KoShapeLayer* shapeForNode(KisNodeSP layer) const;
 
     /**
      * @return a list of all layers that are active in all current views
      */
     vKisNodeSP activeNodes() const;
 
     /**
      * set the list of nodes that were marked as currently active
      */
     void setPreActivatedNode(KisNodeSP activatedNode);
 
     /**
      * @return the node that was set as active during loading
      */
     KisNodeSP preActivatedNode() const;
 
     QList<KisPaintingAssistantSP> assistants() const;
     void setAssistants(const QList<KisPaintingAssistantSP> value);
 
     bool save(bool showWarnings, KisPropertiesConfigurationSP exportConfiguration);
 
 Q_SIGNALS:
 
     void completed();
     void canceled(const QString &);
 
 private Q_SLOTS:
 
     void setImageModified();
 
     void slotAutoSave();
 
     /// Called by the undo stack when undo or redo is called
     void slotUndoStackIndexChanged(int idx);
 
     void slotConfigChanged();
 
 
 private:
 
     bool prepareLocksForSaving();
 
     void unlockAfterSaving();
 
     QString prettyPathOrUrl() const;
 
     bool openUrlInternal(const QUrl &url);
 
     class Private;
     Private *const d;
 };
 
+Q_DECLARE_OPERATORS_FOR_FLAGS(KisDocument::OpenFlags)
 Q_DECLARE_METATYPE(KisDocument*)
 
 #endif
diff --git a/libs/ui/KisImportExportManager.cpp b/libs/ui/KisImportExportManager.cpp
index cee4193915..c18919cc89 100644
--- a/libs/ui/KisImportExportManager.cpp
+++ b/libs/ui/KisImportExportManager.cpp
@@ -1,527 +1,584 @@
 /*
  * Copyright (C) 2016 Boudewijn Rempt <boud@valdyas.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "KisImportExportManager.h"
 
 #include <QFile>
 #include <QLabel>
 #include <QVBoxLayout>
 #include <QList>
 #include <QApplication>
 #include <QByteArray>
 #include <QPluginLoader>
 #include <QFileInfo>
 #include <QMessageBox>
 #include <QJsonObject>
 #include <QTextBrowser>
 #include <QCheckBox>
 #include <QSaveFile>
 #include <QGroupBox>
+#include <QFuture>
+#include <QtConcurrent>
 
 #include <klocalizedstring.h>
 #include <ksqueezedtextlabel.h>
 #include <kpluginfactory.h>
 
 #include <KoFileDialog.h>
 #include <kis_icon_utils.h>
 #include <KoDialog.h>
 #include <KoProgressUpdater.h>
 #include <KoJsonTrader.h>
 #include <KisMimeDatabase.h>
 #include <kis_config_widget.h>
 #include <kis_debug.h>
 #include <KisMimeDatabase.h>
 #include <KisPreExportChecker.h>
 #include <KisPart.h>
 #include "kis_config.h"
 #include "KisImportExportFilter.h"
 #include "KisDocument.h"
 #include <kis_image.h>
 #include <kis_paint_layer.h>
 #include "kis_painter.h"
 #include "kis_guides_config.h"
 #include "kis_grid_config.h"
 #include "kis_popup_button.h"
 #include <kis_iterator_ng.h>
 #include "kis_async_action_feedback.h"
 
 // static cache for import and export mimetypes
 QStringList KisImportExportManager::m_importMimeTypes;
 QStringList KisImportExportManager::m_exportMimeTypes;
 
 class Q_DECL_HIDDEN KisImportExportManager::Private
 {
 public:
     bool batchMode {false};
     QPointer<KoProgressUpdater> progressUpdater {0};
 };
 
+struct KisImportExportManager::ConversionResult {
+    ConversionResult()
+    {
+    }
+
+    ConversionResult(const QFuture<KisImportExportFilter::ConversionStatus> &futureStatus)
+        : m_isAsync(true),
+          m_futureStatus(futureStatus)
+    {
+    }
+
+    ConversionResult(KisImportExportFilter::ConversionStatus status)
+        : m_isAsync(false),
+          m_status(status)
+    {
+    }
+
+    bool isAsync() const {
+        return m_isAsync;
+    }
+
+    QFuture<KisImportExportFilter::ConversionStatus> futureStatus() const {
+        return m_futureStatus;
+    }
+
+    KisImportExportFilter::ConversionStatus status() const {
+        return m_status;
+    }
+
+private:
+    bool m_isAsync = false;
+    QFuture<KisImportExportFilter::ConversionStatus> m_futureStatus;
+    KisImportExportFilter::ConversionStatus m_status = KisImportExportFilter::UsageError;
+};
+
+
 KisImportExportManager::KisImportExportManager(KisDocument* document)
     : m_document(document)
     , d(new Private)
 {
 }
 
 KisImportExportManager::~KisImportExportManager()
 {
     delete d;
 }
 
 KisImportExportFilter::ConversionStatus KisImportExportManager::importDocument(const QString& location, const QString& mimeType)
 {
-    return convert(Import, location, location, mimeType, false, 0);
+    ConversionResult result = convert(Import, location, location, mimeType, false, 0, false);
+    KIS_SAFE_ASSERT_RECOVER_RETURN_VALUE(!result.isAsync(), KisImportExportFilter::UsageError);
+
+    return result.status();
 }
 
-KisImportExportFilter::ConversionStatus KisImportExportManager::exportDocument(const QString& location, const QString& realLocation, QByteArray& mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
+KisImportExportFilter::ConversionStatus KisImportExportManager::exportDocument(const QString& location, const QString& realLocation, const QByteArray& mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
 {
-    return convert(Export, location, realLocation, mimeType, showWarnings, exportConfiguration);
+    ConversionResult result = convert(Export, location, realLocation, mimeType, showWarnings, exportConfiguration, false);
+    KIS_SAFE_ASSERT_RECOVER_RETURN_VALUE(!result.isAsync(), KisImportExportFilter::UsageError);
+
+    return result.status();
+}
+
+QFuture<KisImportExportFilter::ConversionStatus> KisImportExportManager::exportDocumentAsyc(const QString &location, const QString &realLocation, const QByteArray &mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
+{
+    ConversionResult result = convert(Export, location, realLocation, mimeType, showWarnings, exportConfiguration, true);
+    KIS_SAFE_ASSERT_RECOVER_RETURN_VALUE(result.isAsync(), QFuture<KisImportExportFilter::ConversionStatus>());
+
+    return result.futureStatus();
 }
 
 // The static method to figure out to which parts of the
 // graph this mimetype has a connection to.
 QStringList KisImportExportManager::mimeFilter(Direction direction)
 {
     // Find the right mimetype by the extension
     QSet<QString> mimeTypes;
     //    mimeTypes << KisDocument::nativeFormatMimeType() << "application/x-krita-paintoppreset" << "image/openraster";
 
     if (direction == KisImportExportManager::Import) {
         if (m_importMimeTypes.isEmpty()) {
             KoJsonTrader trader;
             QList<QPluginLoader *>list = trader.query("Krita/FileFilter", "");
             Q_FOREACH(QPluginLoader *loader, list) {
                 QJsonObject json = loader->metaData().value("MetaData").toObject();
                 Q_FOREACH(const QString &mimetype, json.value("X-KDE-Import").toString().split(",", QString::SkipEmptyParts)) {
                     //qDebug() << "Adding  import mimetype" << mimetype << KisMimeDatabase::descriptionForMimeType(mimetype) << "from plugin" << loader;
                     mimeTypes << mimetype;
                 }
             }
             qDeleteAll(list);
             m_importMimeTypes = mimeTypes.toList();
         }
         return m_importMimeTypes;
     }
     else if (direction == KisImportExportManager::Export) {
         if (m_exportMimeTypes.isEmpty()) {
             KoJsonTrader trader;
             QList<QPluginLoader *>list = trader.query("Krita/FileFilter", "");
             Q_FOREACH(QPluginLoader *loader, list) {
                 QJsonObject json = loader->metaData().value("MetaData").toObject();
                 Q_FOREACH(const QString &mimetype, json.value("X-KDE-Export").toString().split(",", QString::SkipEmptyParts)) {
                     //qDebug() << "Adding  export mimetype" << mimetype << KisMimeDatabase::descriptionForMimeType(mimetype) << "from plugin" << loader;
                     mimeTypes << mimetype;
                 }
             }
             qDeleteAll(list);
             m_exportMimeTypes = mimeTypes.toList();
         }
         return m_exportMimeTypes;
     }
     return QStringList();
 }
 
 KisImportExportFilter *KisImportExportManager::filterForMimeType(const QString &mimetype, KisImportExportManager::Direction direction)
 {
     int weight = -1;
     KisImportExportFilter *filter = 0;
     QList<QPluginLoader *>list = KoJsonTrader::instance()->query("Krita/FileFilter", "");
     Q_FOREACH(QPluginLoader *loader, list) {
         QJsonObject json = loader->metaData().value("MetaData").toObject();
         QString directionKey = direction == Export ? "X-KDE-Export" : "X-KDE-Import";
         if (json.value(directionKey).toString().split(",", QString::SkipEmptyParts).contains(mimetype)) {
             KLibFactory *factory = qobject_cast<KLibFactory *>(loader->instance());
 
             if (!factory) {
                 warnUI << loader->errorString();
                 continue;
             }
 
             QObject* obj = factory->create<KisImportExportFilter>(0);
             if (!obj || !obj->inherits("KisImportExportFilter")) {
                 delete obj;
                 continue;
             }
 
             KisImportExportFilter *f = qobject_cast<KisImportExportFilter*>(obj);
             if (!f) {
                 delete obj;
                 continue;
             }
 
             int w = json.value("X-KDE-Weight").toInt();
             if (w > weight) {
                 delete filter;
                 filter = f;
                 f->setObjectName(loader->fileName());
                 weight = w;
             }
         }
     }
     qDeleteAll(list);
     if (filter) {
         filter->setMimeType(mimetype);
     }
     return filter;
 }
 
 void KisImportExportManager::setBatchMode(const bool batch)
 {
     d->batchMode = batch;
 }
 
 bool KisImportExportManager::batchMode(void) const
 {
     return d->batchMode;
 }
 
 void KisImportExportManager::setProgresUpdater(KoProgressUpdater *updater)
 {
     d->progressUpdater = updater;
 }
 
 QString KisImportExportManager::askForAudioFileName(const QString &defaultDir, QWidget *parent)
 {
     KoFileDialog dialog(parent, KoFileDialog::ImportFiles, "ImportAudio");
 
     if (!defaultDir.isEmpty()) {
         dialog.setDefaultDir(defaultDir);
     }
 
     QStringList mimeTypes;
     mimeTypes << "audio/mpeg";
     mimeTypes << "audio/ogg";
     mimeTypes << "audio/vorbis";
     mimeTypes << "audio/vnd.wave";
     mimeTypes << "audio/flac";
 
     dialog.setMimeTypeFilters(mimeTypes);
     dialog.setCaption(i18nc("@titile:window", "Open Audio"));
 
     return dialog.filename();
 }
 
-KisImportExportFilter::ConversionStatus KisImportExportManager::convert(KisImportExportManager::Direction direction, const QString &location, const QString& realLocation, const QString &mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration)
+KisImportExportManager::ConversionResult KisImportExportManager::convert(KisImportExportManager::Direction direction, const QString &location, const QString& realLocation, const QString &mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration, bool isAsync)
 {
     // export configuration is supported for export only
     KIS_SAFE_ASSERT_RECOVER_NOOP(direction == Export || !bool(exportConfiguration));
 
 
     QString typeName = mimeType;
     if (typeName.isEmpty()) {
         typeName = KisMimeDatabase::mimeTypeForFile(location);
     }
 
     QSharedPointer<KisImportExportFilter> filter(filterForMimeType(typeName, direction));
     if (!filter) {
         return KisImportExportFilter::FilterCreationError;
     }
 
     filter->setFilename(location);
     filter->setRealFilename(realLocation);
     filter->setBatchMode(batchMode());
     filter->setMimeType(typeName);
 
     if (d->progressUpdater) {
         filter->setUpdater(d->progressUpdater->startSubtask());
     }
 
     QByteArray from, to;
     if (direction == Export) {
         from = m_document->nativeFormatMimeType();
         to = typeName.toLatin1();
     }
     else {
         from = typeName.toLatin1();
         to = m_document->nativeFormatMimeType();
     }
 
     KIS_ASSERT_RECOVER_RETURN_VALUE(
                 direction == Import || direction == Export,
                 KisImportExportFilter::BadConversionGraph);
 
 
 
-    KisImportExportFilter::ConversionStatus status = KisImportExportFilter::OK;
+    ConversionResult result = KisImportExportFilter::OK;
     if (direction == Import) {
+        // async importing is not yet supported!
+        KIS_SAFE_ASSERT_RECOVER_NOOP(!isAsync);
+
         if (!batchMode()) {
             KisAsyncActionFeedback f(i18n("Opening document..."), 0);
-            status = f.runAction(std::bind(&KisImportExportManager::doImport, this, location, filter));
+            result = f.runAction(std::bind(&KisImportExportManager::doImport, this, location, filter));
         } else {
-            status = doImport(location, filter);
+            result = doImport(location, filter);
         }
     } else /* if (direction == Export) */ {
         if (!exportConfiguration) {
             exportConfiguration = filter->lastSavedConfiguration(from, to);
         }
 
         if (exportConfiguration) {
             fillStaticExportConfigurationProperties(exportConfiguration);
         }
 
         bool alsoAsKra = false;
         if (!askUserAboutExportConfiguration(filter, exportConfiguration,
                                              from, to,
                                              batchMode(), showWarnings,
                                              &alsoAsKra)) {
 
             return KisImportExportFilter::UserCancelled;
         }
 
-        if (!batchMode()) {
+        if (isAsync) {
+            result = QtConcurrent::run(std::bind(&KisImportExportManager::doExport, this, location, filter, exportConfiguration, alsoAsKra));
+        } else if (!batchMode()) {
             KisAsyncActionFeedback f(i18n("Saving document..."), 0);
-            status = f.runAction(std::bind(&KisImportExportManager::doExport, this, location, filter, exportConfiguration, alsoAsKra));
+            result = f.runAction(std::bind(&KisImportExportManager::doExport, this, location, filter, exportConfiguration, alsoAsKra));
         } else {
-            status = doExport(location, filter, exportConfiguration, alsoAsKra);
+            result = doExport(location, filter, exportConfiguration, alsoAsKra);
         }
 
         if (exportConfiguration) {
             KisConfig().setExportConfiguration(typeName, exportConfiguration);
         }
     }
 
-    return status;
+    return result;
 }
 
 void KisImportExportManager::fillStaticExportConfigurationProperties(KisPropertiesConfigurationSP exportConfiguration)
 {
     // Fill with some meta information about the image
     KisImageSP image = m_document->image();
     KisPaintDeviceSP dev = image->projection();
     const KoColorSpace* cs = dev->colorSpace();
     const bool isThereAlpha =
         KisPainter::checkDeviceHasTransparency(image->projection());
 
     exportConfiguration->setProperty(KisImportExportFilter::ImageContainsTransparencyTag, isThereAlpha);
     exportConfiguration->setProperty(KisImportExportFilter::ColorModelIDTag, cs->colorModelId().id());
     exportConfiguration->setProperty(KisImportExportFilter::ColorDepthIDTag, cs->colorDepthId().id());
 
     const bool sRGB =
             (cs->profile()->name().contains(QLatin1String("srgb"), Qt::CaseInsensitive) &&
              !cs->profile()->name().contains(QLatin1String("g10")));
     exportConfiguration->setProperty(KisImportExportFilter::sRGBTag, sRGB);
 }
 
 bool
 KisImportExportManager::askUserAboutExportConfiguration(
         QSharedPointer<KisImportExportFilter> filter,
         KisPropertiesConfigurationSP exportConfiguration,
         const QByteArray &from,
         const QByteArray &to,
         const bool batchMode, const bool showWarnings,
         bool *alsoAsKra)
 {
     const QString mimeUserDescription = KisMimeDatabase::descriptionForMimeType(to);
 
     QStringList warnings;
     QStringList errors;
 
     {
         KisPreExportChecker checker;
         checker.check(m_document->image(), filter->exportChecks());
 
         warnings = checker.warnings();
         errors = checker.errors();
     }
 
     KisConfigWidget *wdg = filter->createConfigurationWidget(0, from, to);
 
     // Extra checks that cannot be done by the checker, because the checker only has access to the image.
     if (!m_document->assistants().isEmpty() && to != m_document->nativeFormatMimeType()) {
         warnings.append(i18nc("image conversion warning", "The image contains <b>assistants</b>. The assistants will not be saved."));
     }
     if (m_document->guidesConfig().hasGuides() && to != m_document->nativeFormatMimeType()) {
         warnings.append(i18nc("image conversion warning", "The image contains <b>guides</b>. The guides will not be saved."));
     }
     if (!m_document->gridConfig().isDefault() && to != m_document->nativeFormatMimeType()) {
         warnings.append(i18nc("image conversion warning", "The image contains a <b>custom grid configuration</b>. The configuration will not be saved."));
     }
 
     if (!batchMode && !errors.isEmpty()) {
         QString error =  "<html><body><p><b>"
                 + i18n("Error: cannot save this image as a %1.", mimeUserDescription)
                 + "</b> Reasons:</p>"
                 + "<p/><ul>";
         Q_FOREACH(const QString &w, errors) {
             error += "\n<li>" + w + "</li>";
         }
 
         error += "</ul>";
 
         QMessageBox::critical(KisPart::instance()->currentMainwindow(), i18nc("@title:window", "Krita: Export Error"), error);
         return false;
     }
 
     if (!batchMode && (wdg || !warnings.isEmpty())) {
 
         KoDialog dlg;
 
         dlg.setButtons(KoDialog::Ok | KoDialog::Cancel);
         dlg.setWindowTitle(mimeUserDescription);
 
         QWidget *page = new QWidget(&dlg);
         QVBoxLayout *layout = new QVBoxLayout(page);
 
         if (showWarnings && !warnings.isEmpty()) {
             QHBoxLayout *hLayout = new QHBoxLayout();
 
             QLabel *labelWarning = new QLabel();
             labelWarning->setPixmap(KisIconUtils::loadIcon("dialog-warning").pixmap(32, 32));
             hLayout->addWidget(labelWarning);
 
             KisPopupButton *bn = new KisPopupButton(0);
 
             bn->setText(i18nc("Keep the extra space at the end of the sentence, please", "Warning: saving as %1 will lose information from your image.    ", mimeUserDescription));
 
             hLayout->addWidget(bn);
 
             layout->addLayout(hLayout);
 
             QTextBrowser *browser = new QTextBrowser();
             browser->setMinimumWidth(bn->width());
             bn->setPopupWidget(browser);
 
             QString warning = "<html><body><p><b>"
                     + i18n("You will lose information when saving this image as a %1.", mimeUserDescription);
 
             if (warnings.size() == 1) {
                 warning += "</b> Reason:</p>";
             }
             else {
                 warning += "</b> Reasons:</p>";
             }
             warning += "<p/><ul>";
 
             Q_FOREACH(const QString &w, warnings) {
                 warning += "\n<li>" + w + "</li>";
             }
 
             warning += "</ul>";
             browser->setHtml(warning);
         }
 
         if (wdg) {
             QGroupBox *box = new QGroupBox(i18n("Options"));
             QVBoxLayout *boxLayout = new QVBoxLayout(box);
             wdg->setConfiguration(exportConfiguration);
             boxLayout->addWidget(wdg);
             layout->addWidget(box);
         }
 
         QCheckBox *chkAlsoAsKra = 0;
         if (showWarnings && !warnings.isEmpty()) {
             chkAlsoAsKra = new QCheckBox(i18n("Also save your image as a Krita file."));
             chkAlsoAsKra->setChecked(KisConfig().readEntry<bool>("AlsoSaveAsKra", false));
             layout->addWidget(chkAlsoAsKra);
         }
 
         dlg.setMainWidget(page);
         dlg.resize(dlg.minimumSize());
 
         if (showWarnings || wdg) {
             if (!dlg.exec()) {
                 return false;
             }
         }
 
         *alsoAsKra = false;
         if (chkAlsoAsKra) {
             KisConfig().writeEntry<bool>("AlsoSaveAsKra", chkAlsoAsKra->isChecked());
             *alsoAsKra = chkAlsoAsKra->isChecked();
         }
 
         if (wdg) {
             *exportConfiguration = *wdg->configuration();
         }
     }
 
     return true;
 }
 
 KisImportExportFilter::ConversionStatus KisImportExportManager::doImport(const QString &location, QSharedPointer<KisImportExportFilter> filter)
 {
     QFile file(location);
     if (!file.exists()) {
         return KisImportExportFilter::FileNotFound;
     }
 
     if (filter->supportsIO() && !file.open(QFile::ReadOnly)) {
         return KisImportExportFilter::FileNotFound;
     }
 
     KisImportExportFilter::ConversionStatus status =
         filter->convert(m_document, &file, KisPropertiesConfigurationSP());
 
     if (file.isOpen()) {
         file.close();
     }
 
     return status;
 }
 
 KisImportExportFilter::ConversionStatus KisImportExportManager::doExport(const QString &location, QSharedPointer<KisImportExportFilter> filter, KisPropertiesConfigurationSP exportConfiguration, bool alsoAsKra)
 {
     KisImportExportFilter::ConversionStatus status =
         doExportImpl(location, filter, exportConfiguration);
 
     if (alsoAsKra && status == KisImportExportFilter::OK) {
         QString kraLocation = location + ".kra";
         QByteArray mime = m_document->nativeFormatMimeType();
         QSharedPointer<KisImportExportFilter> filter(
             filterForMimeType(QString::fromLatin1(mime), Export));
 
         KIS_SAFE_ASSERT_RECOVER_NOOP(filter);
 
         if (filter) {
             filter->setFilename(kraLocation);
 
             KisPropertiesConfigurationSP kraExportConfiguration =
                 filter->lastSavedConfiguration(mime, mime);
 
             status = doExportImpl(kraLocation, filter, kraExportConfiguration);
         } else {
             status = KisImportExportFilter::FilterCreationError;
         }
     }
 
     return status;
 }
 
 KisImportExportFilter::ConversionStatus KisImportExportManager::doExportImpl(const QString &location, QSharedPointer<KisImportExportFilter> filter, KisPropertiesConfigurationSP exportConfiguration)
 {
     QSaveFile file(location);
     file.setDirectWriteFallback(true);
 
     if (filter->supportsIO() && !file.open(QFile::WriteOnly)) {
         file.cancelWriting();
         return KisImportExportFilter::CreationError;
     }
 
     KisImportExportFilter::ConversionStatus status =
         filter->convert(m_document, &file, exportConfiguration);
 
     if (status != KisImportExportFilter::OK) {
         file.cancelWriting();
     } else {
         file.commit();
     }
 
     return status;
 }
 
 #include <KisMimeDatabase.h>
diff --git a/libs/ui/KisImportExportManager.h b/libs/ui/KisImportExportManager.h
index 7cdceea544..0429b89404 100644
--- a/libs/ui/KisImportExportManager.h
+++ b/libs/ui/KisImportExportManager.h
@@ -1,155 +1,161 @@
 /*
  * Copyright (C) 2016 Boudewijn Rempt <boud@valdyas.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef KIS_IMPORT_EXPORT_MANAGER_H
 #define KIS_IMPORT_EXPORT_MANAGER_H
 
 #include <QObject>
 #include <QMap>
 #include <QByteArray>
 #include <QUrl>
 
 #include "KisImportExportFilter.h"
 
 #include "kritaui_export.h"
 
 class KisDocument;
 class KoProgressUpdater;
 
+template <class T>
+class QFuture;
+
 /**
  *  @brief The class managing all the filters.
  *
  *  This class manages all filters for a %Calligra application. Normally
  *  you will not have to use it, since KisMainWindow takes care of loading
  *  and saving documents.
  *
  *  @ref KisFilter
  *
  *  @author Kalle Dalheimer <kalle@kde.org>
  *  @author Torben Weis <weis@kde.org>
  *  @author Werner Trobin <trobin@kde.org>
  */
 class KRITAUI_EXPORT KisImportExportManager : public QObject
 {
     Q_OBJECT
 public:
     /**
      * This enum is used to distinguish the import/export cases
      */
     enum Direction { Import = 1,  Export = 2 };
 
     /**
      * Create a filter manager for a document
      */
     explicit KisImportExportManager(KisDocument *document);
 
 public:
 
     virtual ~KisImportExportManager();
 
     /**
      * Imports the specified document and returns the resultant filename
      * (most likely some file in /tmp).
      * @p path can be either a URL or a filename.
      * @p documentMimeType gives importDocument a hint about what type
      * the document may be. It can be left empty.
      *
      * @return  status signals the success/error of the conversion.
      * If the QString which is returned isEmpty() and the status is OK,
      * then we imported the file directly into the document.
      */
     KisImportExportFilter::ConversionStatus importDocument(const QString &location, const QString &mimeType);
 
     /**
      * @brief Exports the given file/document to the specified URL/mimetype.
      *
      * If @p mimeType is empty, then the closest matching Calligra part is searched
      * and when the method returns @p mimeType contains this mimetype.
      * Oh, well, export is a C++ keyword ;)
      */
-    KisImportExportFilter::ConversionStatus exportDocument(const QString &location, const QString& realLocation, QByteArray &mimeType, bool showWarnings = true, KisPropertiesConfigurationSP exportConfiguration = 0);
+    KisImportExportFilter::ConversionStatus exportDocument(const QString &location, const QString& realLocation, const QByteArray &mimeType, bool showWarnings = true, KisPropertiesConfigurationSP exportConfiguration = 0);
+
+    QFuture<KisImportExportFilter::ConversionStatus> exportDocumentAsyc(const QString &location, const QString& realLocation, const QByteArray &mimeType, bool showWarnings = true, KisPropertiesConfigurationSP exportConfiguration = 0);
 
     ///@name Static API
     //@{
     /**
      * Suitable for passing to KoFileDialog::setMimeTypeFilters. The default mime
      * gets set by the "users" of this method, as we do not have enough
      * information here.
      * Optionally, @p extraNativeMimeTypes are added after the native mimetype.
      */
     static QStringList mimeFilter(Direction direction);
 
     /**
      * @brief filterForMimeType loads the relevant import/export plugin and returns it. The caller
      * is responsible for deleting it!
      * @param mimetype the mimetype we want to import/export. If there's more than one plugin, the one
      * with the highest weight as defined in the json description will be taken
      * @param direction import or export
      * @return a pointer to the filter plugin or 0 if none could be found
      */
     static KisImportExportFilter *filterForMimeType(const QString &mimetype, Direction direction);
 
     /**
      * Set the filter manager is batch mode (no dialog shown)
      * instead of the interactive mode (dialog shown)
      */
     void setBatchMode(const bool batch);
 
     /**
      * Get if the filter manager is batch mode (true)
      * or in interactive mode (true)
      */
     bool batchMode(void) const;
 
     void setProgresUpdater(KoProgressUpdater *updater);
 
     static QString askForAudioFileName(const QString &defaultDir, QWidget *parent);
 
 private Q_SLOTS:
 
 
 
 private:
 
-    KisImportExportFilter::ConversionStatus convert(Direction direction, const QString &location, const QString& realLocation, const QString &mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration);
+    struct ConversionResult;
+    ConversionResult convert(Direction direction, const QString &location, const QString& realLocation, const QString &mimeType, bool showWarnings, KisPropertiesConfigurationSP exportConfiguration, bool isAsync);
 
 
     void fillStaticExportConfigurationProperties(KisPropertiesConfigurationSP exportConfiguration);
     bool askUserAboutExportConfiguration(QSharedPointer<KisImportExportFilter> filter, KisPropertiesConfigurationSP exportConfiguration, const QByteArray &from, const QByteArray &to, bool batchMode, const bool showWarnings, bool *alsoAsKra);
 
     KisImportExportFilter::ConversionStatus doImport(const QString &location, QSharedPointer<KisImportExportFilter> filter);
 
     KisImportExportFilter::ConversionStatus doExport(const QString &location, QSharedPointer<KisImportExportFilter> filter, KisPropertiesConfigurationSP exportConfiguration, bool alsoAsKra);
     KisImportExportFilter::ConversionStatus doExportImpl(const QString &location, QSharedPointer<KisImportExportFilter> filter, KisPropertiesConfigurationSP exportConfiguration);
 
     // Private API
     KisImportExportManager(const KisImportExportManager& rhs);
     KisImportExportManager &operator=(const KisImportExportManager& rhs);
 
     KisDocument *m_document;
 
     /// A static cache for the availability checks of filters
     static QStringList m_importMimeTypes;
     static QStringList m_exportMimeTypes;
 
     class Private;
     Private * const d;
 };
 
 #endif  // __KO_FILTER_MANAGER_H__
diff --git a/libs/ui/KisMainWindow.cpp b/libs/ui/KisMainWindow.cpp
index 2f346ccc2d..d91add89d2 100644
--- a/libs/ui/KisMainWindow.cpp
+++ b/libs/ui/KisMainWindow.cpp
@@ -1,2416 +1,2431 @@
 /* This file is part of the KDE project
    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
    Copyright (C) 2000-2006 David Faure <faure@kde.org>
    Copyright (C) 2007, 2009 Thomas zander <zander@kde.org>
    Copyright (C) 2010 Benjamin Port <port.benjamin@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "KisMainWindow.h"
 
 #include <KoConfig.h>
 
 // qt includes
 #include <QApplication>
 #include <QByteArray>
 #include <QCloseEvent>
 #include <QDesktopServices>
 #include <QDesktopWidget>
 #include <QDockWidget>
 #include <QIcon>
 #include <QLabel>
 #include <QLayout>
 #include <QMdiArea>
 #include <QMdiSubWindow>
 #include <QMutex>
 #include <QMutexLocker>
 #include <QPointer>
 #include <QPrintDialog>
 #include <QPrinter>
 #include <QPrintPreviewDialog>
 #include <QProgressBar>
 #include <QToolButton>
 #include <QSignalMapper>
 #include <QTabBar>
 #include <QMoveEvent>
 #include <QUrl>
 #include <QMessageBox>
 #include <QTemporaryFile>
 #include <QStatusBar>
 #include <QMenu>
 #include <QMenuBar>
 #include <KisMimeDatabase.h>
 #include <QMimeData>
 
 #include <kactioncollection.h>
 #include <QAction>
 #include <kactionmenu.h>
 #include <kis_debug.h>
 #include <kedittoolbar.h>
 #include <khelpmenu.h>
 #include <klocalizedstring.h>
 #include <kaboutdata.h>
 
 #ifdef HAVE_KIO
 #include <krecentdocument.h>
 #endif
 #include <krecentfilesaction.h>
 #include <KoResourcePaths.h>
 #include <ktoggleaction.h>
 #include <ktoolbar.h>
 #include <kmainwindow.h>
 #include <kxmlguiwindow.h>
 #include <kxmlguifactory.h>
 #include <kxmlguiclient.h>
 #include <kguiitem.h>
 #include <kwindowconfig.h>
 
 #include "KoDockFactoryBase.h"
 #include "KoDockWidgetTitleBar.h"
 #include "KoDocumentInfoDlg.h"
 #include "KoDocumentInfo.h"
 #include "KoFileDialog.h"
 #include <kis_icon.h>
 #include <KoPageLayoutDialog.h>
 #include <KoPageLayoutWidget.h>
 #include <KoToolManager.h>
 #include <KoZoomController.h>
 #include "KoToolDocker.h"
 #include <KoToolBoxFactory.h>
 #include <KoDockRegistry.h>
 #include <KoPluginLoader.h>
 #include <KoColorSpaceEngine.h>
 
 #include <KisMimeDatabase.h>
 #include <brushengine/kis_paintop_settings.h>
 #include "dialogs/kis_about_application.h"
 #include "dialogs/kis_delayed_save_dialog.h"
 #include "dialogs/kis_dlg_preferences.h"
 #include "kis_action.h"
 #include "kis_action_manager.h"
 #include "KisApplication.h"
 #include "kis_canvas2.h"
 #include "kis_canvas_controller.h"
 #include "kis_canvas_resource_provider.h"
 #include "kis_clipboard.h"
 #include "kis_config.h"
 #include "kis_config_notifier.h"
 #include "kis_custom_image_widget.h"
 #include <KisDocument.h>
 #include "KisDocument.h"
 #include "KisDocument.h"
 #include "kis_group_layer.h"
 #include "kis_icon_utils.h"
 #include "kis_image_from_clipboard_widget.h"
 #include "kis_image.h"
 #include <KisImportExportFilter.h>
 #include "KisImportExportManager.h"
 #include "kis_mainwindow_observer.h"
 #include "kis_node.h"
 #include "KisOpenPane.h"
 #include "kis_paintop_box.h"
 #include "KisPart.h"
 #include "KisPrintJob.h"
 #include "kis_resource_server_provider.h"
 #include "kis_signal_compressor_with_param.h"
 #include "KisView.h"
 #include "KisViewManager.h"
 #include "thememanager.h"
 #include "kis_animation_importer.h"
 #include "dialogs/kis_dlg_import_image_sequence.h"
 #include "kis_animation_exporter.h"
 
 #include <mutex>
 
 #ifdef Q_OS_WIN
   #include <QtPlatformHeaders/QWindowsWindowFunctions>
 #endif
 
 class ToolDockerFactory : public KoDockFactoryBase
 {
 public:
     ToolDockerFactory() : KoDockFactoryBase() { }
 
     QString id() const override {
         return "sharedtooldocker";
     }
 
     QDockWidget* createDockWidget() override {
         KoToolDocker* dockWidget = new KoToolDocker();
         dockWidget->setTabEnabled(false);
         return dockWidget;
     }
 
     DockPosition defaultDockPosition() const override {
         return DockRight;
     }
 };
 
 class Q_DECL_HIDDEN KisMainWindow::Private
 {
 public:
     Private(KisMainWindow *parent)
         : q(parent)
         , dockWidgetMenu(new KActionMenu(i18nc("@action:inmenu", "&Dockers"), parent))
         , windowMenu(new KActionMenu(i18nc("@action:inmenu", "&Window"), parent))
         , documentMenu(new KActionMenu(i18nc("@action:inmenu", "New &View"), parent))
         , mdiArea(new QMdiArea(parent))
         , windowMapper(new QSignalMapper(parent))
         , documentMapper(new QSignalMapper(parent))
     {
     }
 
     ~Private() {
         qDeleteAll(toolbarList);
     }
 
     KisMainWindow *q {0};
     KisViewManager *viewManager {0};
 
     QPointer<KisView> activeView;
 
     QPointer<QProgressBar> progress;
     QPointer<QToolButton> progressCancel;
     QMutex progressMutex;
 
     QList<QAction *> toolbarList;
 
     bool firstTime {true};
     bool windowSizeDirty {false};
     bool readOnly {false};
     bool noCleanup {false};
 
     KisAction *showDocumentInfo {0};
     KisAction *saveAction {0};
     KisAction *saveActionAs {0};
 //    KisAction *printAction;
 //    KisAction *printActionPreview;
 //    KisAction *exportPdf {0};
     KisAction *importAnimation {0};
     KisAction *closeAll {0};
 //    KisAction *reloadFile;
     KisAction *importFile {0};
     KisAction *exportFile {0};
     KisAction *undo {0};
     KisAction *redo {0};
     KisAction *newWindow {0};
     KisAction *close {0};
     KisAction *mdiCascade {0};
     KisAction *mdiTile {0};
     KisAction *mdiNextWindow {0};
     KisAction *mdiPreviousWindow {0};
     KisAction *toggleDockers {0};
     KisAction *toggleDockerTitleBars {0};
 
     KisAction *expandingSpacers[2];
 
     KActionMenu *dockWidgetMenu;
     KActionMenu *windowMenu;
     KActionMenu *documentMenu;
 
     KHelpMenu *helpMenu  {0};
 
     KRecentFilesAction *recentFiles {0};
 
     QUrl lastExportUrl;
 
     QMap<QString, QDockWidget *> dockWidgetsMap;
     QMap<QDockWidget *, bool> dockWidgetVisibilityMap;
     QByteArray dockerStateBeforeHiding;
     KoToolDocker *toolOptionsDocker {0};
 
     QCloseEvent *deferredClosingEvent {0};
 
     Digikam::ThemeManager *themeManager {0};
 
     QMdiArea *mdiArea;
     QMdiSubWindow *activeSubWindow  {0};
     QSignalMapper *windowMapper;
     QSignalMapper *documentMapper;
 
     QByteArray lastExportedFormat;
     QScopedPointer<KisSignalCompressorWithParam<int> > tabSwitchCompressor;
     QMutex savingEntryMutex;
 
     KisActionManager * actionManager() {
         return viewManager->actionManager();
     }
 
     QTabBar* findTabBarHACK() {
         QObjectList objects = mdiArea->children();
         Q_FOREACH (QObject *object, objects) {
             QTabBar *bar = qobject_cast<QTabBar*>(object);
             if (bar) {
                 return bar;
             }
         }
         return 0;
     }
 };
 
 KisMainWindow::KisMainWindow()
     : KXmlGuiWindow()
     , d(new Private(this))
 {
     KisConfig cfg;
 
     d->viewManager = new KisViewManager(this, actionCollection());
     KConfigGroup group( KSharedConfig::openConfig(), "theme");
     d->themeManager = new Digikam::ThemeManager(group.readEntry("Theme", "Krita dark"), this);
 
     setAcceptDrops(true);
     setStandardToolBarMenuEnabled(true);
     setTabPosition(Qt::AllDockWidgetAreas, QTabWidget::North);
     setDockNestingEnabled(true);
 
     qApp->setStartDragDistance(25);     // 25 px is a distance that works well for Tablet and Mouse events
 
 #ifdef Q_OS_OSX
     setUnifiedTitleAndToolBarOnMac(true);
 #endif
 
     connect(this, SIGNAL(restoringDone()), this, SLOT(forceDockTabFonts()));
     connect(this, SIGNAL(themeChanged()), d->viewManager, SLOT(updateIcons()));
     connect(KisPart::instance(), SIGNAL(documentClosed(QString)), SLOT(updateWindowMenu()));
     connect(KisPart::instance(), SIGNAL(documentOpened(QString)), SLOT(updateWindowMenu()));
     connect(KisConfigNotifier::instance(), SIGNAL(configChanged()), this, SLOT(configChanged()));
 
     actionCollection()->addAssociatedWidget(this);
 
     KoPluginLoader::instance()->load("Krita/ViewPlugin", "Type == 'Service' and ([X-Krita-Version] == 28)", KoPluginLoader::PluginsConfig(), d->viewManager);
 
     KoToolBoxFactory toolBoxFactory;
     QDockWidget *toolbox = createDockWidget(&toolBoxFactory);
     toolbox->setFeatures(QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
 
     if (cfg.toolOptionsInDocker()) {
         ToolDockerFactory toolDockerFactory;
         d->toolOptionsDocker = qobject_cast<KoToolDocker*>(createDockWidget(&toolDockerFactory));
         d->toolOptionsDocker->toggleViewAction()->setEnabled(true);
     }
 
     QMap<QString, QAction*> dockwidgetActions;
     dockwidgetActions[toolbox->toggleViewAction()->text()] = toolbox->toggleViewAction();
     Q_FOREACH (const QString & docker, KoDockRegistry::instance()->keys()) {
         KoDockFactoryBase *factory = KoDockRegistry::instance()->value(docker);
         QDockWidget *dw = createDockWidget(factory);
         dockwidgetActions[dw->toggleViewAction()->text()] = dw->toggleViewAction();
     }
 
     if (d->toolOptionsDocker) {
         dockwidgetActions[d->toolOptionsDocker->toggleViewAction()->text()] = d->toolOptionsDocker->toggleViewAction();
     }
     connect(KoToolManager::instance(), SIGNAL(toolOptionWidgetsChanged(KoCanvasController*, QList<QPointer<QWidget> >)), this, SLOT(newOptionWidgets(KoCanvasController*, QList<QPointer<QWidget> >)));
 
     Q_FOREACH (QString title, dockwidgetActions.keys()) {
         d->dockWidgetMenu->addAction(dockwidgetActions[title]);
     }
 
 
     Q_FOREACH (QDockWidget *wdg, dockWidgets()) {
         if ((wdg->features() & QDockWidget::DockWidgetClosable) == 0) {
             wdg->setVisible(true);
         }
     }
 
     Q_FOREACH (KoCanvasObserverBase* observer, canvasObservers()) {
         observer->setObservedCanvas(0);
         KisMainwindowObserver* mainwindowObserver = dynamic_cast<KisMainwindowObserver*>(observer);
         if (mainwindowObserver) {
             mainwindowObserver->setMainWindow(d->viewManager);
         }
     }
 
     d->mdiArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
     d->mdiArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
     d->mdiArea->setTabPosition(QTabWidget::North);
     d->mdiArea->setTabsClosable(true);
 
     setCentralWidget(d->mdiArea);
 
     connect(d->mdiArea, SIGNAL(subWindowActivated(QMdiSubWindow*)), this, SLOT(subWindowActivated()));
     connect(d->windowMapper, SIGNAL(mapped(QWidget*)), this, SLOT(setActiveSubWindow(QWidget*)));
     connect(d->documentMapper, SIGNAL(mapped(QObject*)), this, SLOT(newView(QObject*)));
 
     createActions();
 
     setAutoSaveSettings("krita", false);
 
 
     subWindowActivated();
     updateWindowMenu();
 
 
     if (isHelpMenuEnabled() && !d->helpMenu) {
         // workaround for KHelpMenu (or rather KAboutData::applicationData()) internally
         // not using the Q*Application metadata ATM, which results e.g. in the bugreport wizard
         // not having the app version preset
         // fixed hopefully in KF5 5.22.0, patch pending
         QGuiApplication *app = qApp;
         KAboutData aboutData(app->applicationName(), app->applicationDisplayName(), app->applicationVersion());
         aboutData.setOrganizationDomain(app->organizationDomain().toUtf8());
         d->helpMenu = new KHelpMenu(this, aboutData, false);
         // workaround-less version:
         // d->helpMenu = new KHelpMenu(this, QString()/*unused*/, false);
 
         // The difference between using KActionCollection->addAction() is that
         // these actions do not get tied to the MainWindow.  What does this all do?
         KActionCollection *actions = d->viewManager->actionCollection();
         QAction *helpContentsAction = d->helpMenu->action(KHelpMenu::menuHelpContents);
         QAction *whatsThisAction = d->helpMenu->action(KHelpMenu::menuWhatsThis);
         QAction *reportBugAction = d->helpMenu->action(KHelpMenu::menuReportBug);
         QAction *switchLanguageAction = d->helpMenu->action(KHelpMenu::menuSwitchLanguage);
         QAction *aboutAppAction = d->helpMenu->action(KHelpMenu::menuAboutApp);
         QAction *aboutKdeAction = d->helpMenu->action(KHelpMenu::menuAboutKDE);
 
         if (helpContentsAction) {
             actions->addAction(helpContentsAction->objectName(), helpContentsAction);
         }
         if (whatsThisAction) {
             actions->addAction(whatsThisAction->objectName(), whatsThisAction);
         }
         if (reportBugAction) {
             actions->addAction(reportBugAction->objectName(), reportBugAction);
         }
         if (switchLanguageAction) {
             actions->addAction(switchLanguageAction->objectName(), switchLanguageAction);
         }
         if (aboutAppAction) {
             actions->addAction(aboutAppAction->objectName(), aboutAppAction);
         }
         if (aboutKdeAction) {
             actions->addAction(aboutKdeAction->objectName(), aboutKdeAction);
         }
 
         connect(d->helpMenu, SIGNAL(showAboutApplication()), SLOT(showAboutApplication()));
     }
 
     // KDE' libs 4''s help contents action is broken outside kde, for some reason... We can handle it just as easily ourselves
     QAction *helpAction = actionCollection()->action("help_contents");
     helpAction->disconnect();
     connect(helpAction, SIGNAL(triggered()), this, SLOT(showManual()));
 
 
 #if 0
     //check for colliding shortcuts
     QSet<QKeySequence> existingShortcuts;
     Q_FOREACH (QAction* action, actionCollection()->actions()) {
         if(action->shortcut() == QKeySequence(0)) {
             continue;
         }
         dbgKrita << "shortcut " << action->text() << " " << action->shortcut();
         Q_ASSERT(!existingShortcuts.contains(action->shortcut()));
         existingShortcuts.insert(action->shortcut());
     }
 #endif
 
     configChanged();
 
     // If we have customized the toolbars, load that first
     setLocalXMLFile(KoResourcePaths::locateLocal("data", "krita.xmlgui"));
     setXMLFile(":/kxmlgui5/krita.xmlgui");
 
     guiFactory()->addClient(this);
 
     // Create and plug toolbar list for Settings menu
     QList<QAction *> toolbarList;
     Q_FOREACH (QWidget* it, guiFactory()->containers("ToolBar")) {
         KToolBar * toolBar = ::qobject_cast<KToolBar *>(it);
 
         if (toolBar) {
             if (toolBar->objectName() == "BrushesAndStuff") {
                 toolBar->setEnabled(false);
             }
 
             KToggleAction* act = new KToggleAction(i18n("Show %1 Toolbar", toolBar->windowTitle()), this);
             actionCollection()->addAction(toolBar->objectName().toUtf8(), act);
             act->setCheckedState(KGuiItem(i18n("Hide %1 Toolbar", toolBar->windowTitle())));
             connect(act, SIGNAL(toggled(bool)), this, SLOT(slotToolbarToggled(bool)));
             act->setChecked(!toolBar->isHidden());
             toolbarList.append(act);
         } else
             warnUI << "Toolbar list contains a " << it->metaObject()->className() << " which is not a toolbar!";
     }
     plugActionList("toolbarlist", toolbarList);
     setToolbarList(toolbarList);
 
     applyToolBarLayout();
 
     d->viewManager->updateGUI();
     d->viewManager->updateIcons();
 
 #ifdef Q_OS_WIN
     auto w = qApp->activeWindow();
     if (w) QWindowsWindowFunctions::setHasBorderInFullScreen(w->windowHandle(), true);
 #endif
 
     QTimer::singleShot(1000, this, SLOT(checkSanity()));
 
     {
         using namespace std::placeholders; // For _1 placeholder
         std::function<void (int)> callback(
             std::bind(&KisMainWindow::switchTab, this, _1));
 
         d->tabSwitchCompressor.reset(
             new KisSignalCompressorWithParam<int>(500, callback, KisSignalCompressor::FIRST_INACTIVE));
     }
 
 
 
 }
 
 void KisMainWindow::setNoCleanup(bool noCleanup)
 {
     d->noCleanup = noCleanup;
 }
 
 KisMainWindow::~KisMainWindow()
 {
 //    Q_FOREACH (QAction *ac, actionCollection()->actions()) {
 //        QAction *action = qobject_cast<QAction*>(ac);
 //        if (action) {
 //        dbgKrita << "<Action"
 //                 << "name=" << action->objectName()
 //                 << "icon=" << action->icon().name()
 //                 << "text="  << action->text().replace("&", "&amp;")
 //                 << "whatsThis="  << action->whatsThis()
 //                 << "toolTip="  << action->toolTip().replace("<html>", "").replace("</html>", "")
 //                 << "iconText="  << action->iconText().replace("&", "&amp;")
 //                 << "shortcut="  << action->shortcut(QAction::ActiveShortcut).toString()
 //                 << "defaultShortcut="  << action->shortcut(QAction::DefaultShortcut).toString()
 //                 << "isCheckable="  << QString((action->isChecked() ? "true" : "false"))
 //                 << "statusTip=" << action->statusTip()
 //                 << "/>"   ;
 //        }
 //        else {
 //            dbgKrita << "Got a QAction:" << ac->objectName();
 //        }
 
 //    }
 
     // The doc and view might still exist (this is the case when closing the window)
     KisPart::instance()->removeMainWindow(this);
 
     if (d->noCleanup)
         return;
 
     delete d->viewManager;
     delete d;
 
 }
 
 void KisMainWindow::addView(KisView *view)
 {
     if (d->activeView == view) return;
 
     if (d->activeView) {
         d->activeView->disconnect(this);
     }
 
     showView(view);
     updateCaption();
     emit restoringDone();
 
     if (d->activeView) {
         connect(d->activeView, SIGNAL(titleModified(QString,bool)), SLOT(slotDocumentTitleModified(QString,bool)));
     }
 }
 
 void KisMainWindow::showView(KisView *imageView)
 {
     if (imageView && activeView() != imageView) {
         // XXX: find a better way to initialize this!
         imageView->setViewManager(d->viewManager);
 
         imageView->canvasBase()->setFavoriteResourceManager(d->viewManager->paintOpBox()->favoriteResourcesManager());
         imageView->slotLoadingFinished();
 
         QMdiSubWindow *subwin = d->mdiArea->addSubWindow(imageView);
         subwin->setAttribute(Qt::WA_DeleteOnClose, true);
         connect(subwin, SIGNAL(destroyed()), SLOT(updateWindowMenu()));
 
         KisConfig cfg;
         subwin->setOption(QMdiSubWindow::RubberBandMove, cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
         subwin->setOption(QMdiSubWindow::RubberBandResize, cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
         subwin->setWindowIcon(qApp->windowIcon());
 
         /**
          * Hack alert!
          *
          * Here we explicitly request KoToolManager to emit all the tool
          * activation signals, to reinitialize the tool options docker.
          *
          * That is needed due to a design flaw we have in the
          * initialization procedure.  The tool in the KoToolManager is
          * initialized in KisView::setViewManager() calls, which
          * happens early enough. During this call the tool manager
          * requests KoCanvasControllerWidget to emit the signal to
          * update the widgets in the tool docker. *But* at that moment
          * of time the view is not yet connected to the main window,
          * because it happens in KisViewManager::setCurrentView a bit
          * later. This fact makes the widgets updating signals be lost
          * and never reach the tool docker.
          *
          * So here we just explicitly call the tool activation stub.
          */
 
         KoToolManager::instance()->initializeCurrentToolForCanvas();
 
         if (d->mdiArea->subWindowList().size() == 1) {
             imageView->showMaximized();
         }
         else {
             imageView->show();
         }
 
         // No, no, no: do not try to call this _before_ the show() has
         // been called on the view; only when that has happened is the
         // opengl context active, and very bad things happen if we tell
         // the dockers to update themselves with a view if the opengl
         // context is not active.
         setActiveView(imageView);
 
         updateWindowMenu();
         updateCaption();
     }
 }
 
 void KisMainWindow::slotPreferences()
 {
     if (KisDlgPreferences::editPreferences()) {
         KisConfigNotifier::instance()->notifyConfigChanged();
 
         // XXX: should this be changed for the views in other windows as well?
         Q_FOREACH (QPointer<KisView> koview, KisPart::instance()->views()) {
             KisViewManager *view = qobject_cast<KisViewManager*>(koview);
             if (view) {
                 // Update the settings for all nodes -- they don't query
                 // KisConfig directly because they need the settings during
                 // compositing, and they don't connect to the config notifier
                 // because nodes are not QObjects (because only one base class
                 // can be a QObject).
                 KisNode* node = dynamic_cast<KisNode*>(view->image()->rootLayer().data());
                 node->updateSettings();
             }
 
         }
 
         d->viewManager->showHideScrollbars();
     }
 }
 
 void KisMainWindow::slotThemeChanged()
 {
     // save theme changes instantly
     KConfigGroup group( KSharedConfig::openConfig(), "theme");
     group.writeEntry("Theme", d->themeManager->currentThemeName());
 
     // reload action icons!
     Q_FOREACH (QAction *action, actionCollection()->actions()) {
         KisIconUtils::updateIcon(action);
     }
 
     emit themeChanged();
 }
 
 void KisMainWindow::updateReloadFileAction(KisDocument *doc)
 {
     Q_UNUSED(doc);
 //    d->reloadFile->setEnabled(doc && !doc->url().isEmpty());
 }
 
 void KisMainWindow::setReadWrite(bool readwrite)
 {
     d->saveAction->setEnabled(readwrite);
     d->importFile->setEnabled(readwrite);
     d->readOnly = !readwrite;
     updateCaption();
 }
 
 void KisMainWindow::addRecentURL(const QUrl &url)
 {
     dbgUI << "KisMainWindow::addRecentURL url=" << url.toDisplayString();
     // Add entry to recent documents list
     // (call coming from KisDocument because it must work with cmd line, template dlg, file/open, etc.)
     if (!url.isEmpty()) {
         bool ok = true;
         if (url.isLocalFile()) {
             QString path = url.adjusted(QUrl::StripTrailingSlash).toLocalFile();
             const QStringList tmpDirs = KoResourcePaths::resourceDirs("tmp");
             for (QStringList::ConstIterator it = tmpDirs.begin() ; ok && it != tmpDirs.end() ; ++it)
                 if (path.contains(*it))
                     ok = false; // it's in the tmp resource
 #ifdef HAVE_KIO
             if (ok) {
                 KRecentDocument::add(QUrl::fromLocalFile(path));
             }
 #endif
         }
 #ifdef HAVE_KIO
         else {
             KRecentDocument::add(url.adjusted(QUrl::StripTrailingSlash));
         }
 #endif
         if (ok) {
             d->recentFiles->addUrl(url);
         }
         saveRecentFiles();
 
     }
 }
 
 void KisMainWindow::saveRecentFiles()
 {
     // Save list of recent files
     KSharedConfigPtr config =  KSharedConfig::openConfig();
     d->recentFiles->saveEntries(config->group("RecentFiles"));
     config->sync();
 
     // Tell all windows to reload their list, after saving
     // Doesn't work multi-process, but it's a start
     Q_FOREACH (KMainWindow* window, KMainWindow::memberList())
         static_cast<KisMainWindow *>(window)->reloadRecentFileList();
 }
 
 void KisMainWindow::reloadRecentFileList()
 {
     d->recentFiles->loadEntries( KSharedConfig::openConfig()->group("RecentFiles"));
 }
 
 void KisMainWindow::updateCaption()
 {
     if (!d->mdiArea->activeSubWindow()) {
         updateCaption(QString(), false);
     }
     else if (d->activeView && d->activeView->document()){
         QString caption( d->activeView->document()->caption() );
         if (d->readOnly) {
             caption += ' ' + i18n("(write protected)");
         }
 
         d->activeView->setWindowTitle(caption);
 
         updateCaption(caption, d->activeView->document()->isModified());
 
         if (!d->activeView->document()->url().fileName().isEmpty())
             d->saveAction->setToolTip(i18n("Save as %1", d->activeView->document()->url().fileName()));
         else
             d->saveAction->setToolTip(i18n("Save"));
     }
 }
 
 void KisMainWindow::updateCaption(const QString & caption, bool mod)
 {
     dbgUI << "KisMainWindow::updateCaption(" << caption << "," << mod << ")";
 #ifdef KRITA_ALPHA
     setCaption(QString("ALPHA %1: %2").arg(KRITA_ALPHA).arg(caption), mod);
     return;
 #endif
 #ifdef KRITA_BETA
     setCaption(QString("BETA %1: %2").arg(KRITA_BETA).arg(caption), mod);
     return;
 #endif
 #ifdef KRITA_RC
     setCaption(QString("RELEASE CANDIDATE %1: %2").arg(KRITA_RC).arg(caption), mod);
     return;
 #endif
 
     setCaption(caption, mod);
 }
 
 
 KisView *KisMainWindow::activeView() const
 {
     if (d->activeView) {
         return d->activeView;
     }
     return 0;
 }
 
 bool KisMainWindow::openDocument(const QUrl &url, OpenFlags flags)
 {
     if (!QFile(url.toLocalFile()).exists()) {
         if (!flags && BatchMode) {
             QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("The file %1 does not exist.", url.url()));
         }
         d->recentFiles->removeUrl(url); //remove the file from the recent-opened-file-list
         saveRecentFiles();
         return false;
     }
     return openDocumentInternal(url, flags);
 }
 
 bool KisMainWindow::openDocumentInternal(const QUrl &url, OpenFlags flags)
 {
     if (!url.isLocalFile()) {
         qDebug() << "KisMainWindow::openDocumentInternal. Not a local file:" << url;
         return false;
     }
 
     KisDocument *newdoc = KisPart::instance()->createDocument();
 
     if (flags & BatchMode) {
         newdoc->setFileBatchMode(true);
     }
 
     d->firstTime = true;
     connect(newdoc, SIGNAL(sigProgress(int)), this, SLOT(slotProgress(int)));
     connect(newdoc, SIGNAL(completed()), this, SLOT(slotLoadCompleted()));
     connect(newdoc, SIGNAL(canceled(const QString &)), this, SLOT(slotLoadCanceled(const QString &)));
-    bool openRet = !(flags & Import) ? newdoc->openUrl(url) : newdoc->importDocument(url);
+
+    KisDocument::OpenFlags openFlags = KisDocument::None;
+    if (flags & RecoveryFile) {
+        openFlags |= KisDocument::RecoveryFile;
+    }
+
+    bool openRet = !(flags & Import) ? newdoc->openUrl(url, openFlags) : newdoc->importDocument(url);
+
+
     if (!openRet) {
         delete newdoc;
         return false;
     }
 
     KisPart::instance()->addDocument(newdoc);
     updateReloadFileAction(newdoc);
 
     if (!QFileInfo(url.toLocalFile()).isWritable()) {
         setReadWrite(false);
     }
     return true;
 }
 
 void KisMainWindow::addViewAndNotifyLoadingCompleted(KisDocument *document)
 {
     KisView *view = KisPart::instance()->createView(document, resourceManager(), actionCollection(), this);
     addView(view);
 
     emit guiLoadingFinished();
 }
 
 QStringList KisMainWindow::showOpenFileDialog(bool isImporting)
 {
     KoFileDialog dialog(this, KoFileDialog::ImportFiles, "OpenDocument");
     dialog.setDefaultDir(QDesktopServices::storageLocation(QDesktopServices::PicturesLocation));
     dialog.setMimeTypeFilters(KisImportExportManager::mimeFilter(KisImportExportManager::Import));
     dialog.setCaption(isImporting ? i18n("Import Images") : i18n("Open Images"));
 
     return dialog.filenames();
 }
 
 // Separate from openDocument to handle async loading (remote URLs)
 void KisMainWindow::slotLoadCompleted()
 {
     KisDocument *newdoc = qobject_cast<KisDocument*>(sender());
     if (newdoc && newdoc->image()) {
         addViewAndNotifyLoadingCompleted(newdoc);
 
         disconnect(newdoc, SIGNAL(sigProgress(int)), this, SLOT(slotProgress(int)));
         disconnect(newdoc, SIGNAL(completed()), this, SLOT(slotLoadCompleted()));
         disconnect(newdoc, SIGNAL(canceled(const QString &)), this, SLOT(slotLoadCanceled(const QString &)));
 
         emit loadCompleted();
     }
 }
 
 void KisMainWindow::slotLoadCanceled(const QString & errMsg)
 {
     dbgUI << "KisMainWindow::slotLoadCanceled";
     if (!errMsg.isEmpty())   // empty when canceled by user
         QMessageBox::critical(this, i18nc("@title:window", "Krita"), errMsg);
     // ... can't delete the document, it's the one who emitted the signal...
 
     KisDocument* doc = qobject_cast<KisDocument*>(sender());
     Q_ASSERT(doc);
     disconnect(doc, SIGNAL(sigProgress(int)), this, SLOT(slotProgress(int)));
     disconnect(doc, SIGNAL(completed()), this, SLOT(slotLoadCompleted()));
     disconnect(doc, SIGNAL(canceled(const QString &)), this, SLOT(slotLoadCanceled(const QString &)));
 }
 
 void KisMainWindow::slotSaveCanceled(const QString &errMsg)
 {
     dbgUI << "KisMainWindow::slotSaveCanceled";
     if (!errMsg.isEmpty())   // empty when canceled by user
         QMessageBox::critical(this, i18nc("@title:window", "Krita"), errMsg);
     slotSaveCompleted();
 }
 
 void KisMainWindow::slotSaveCompleted()
 {
     dbgUI << "KisMainWindow::slotSaveCompleted";
     KisDocument* doc = qobject_cast<KisDocument*>(sender());
     Q_ASSERT(doc);
     disconnect(doc, SIGNAL(sigProgress(int)), this, SLOT(slotProgress(int)));
     disconnect(doc, SIGNAL(completed()), this, SLOT(slotSaveCompleted()));
     disconnect(doc, SIGNAL(canceled(const QString &)), this, SLOT(slotSaveCanceled(const QString &)));
 
     if (d->deferredClosingEvent) {
         KXmlGuiWindow::closeEvent(d->deferredClosingEvent);
     }
 }
 
 bool KisMainWindow::hackIsSaving() const
 {
     StdLockableWrapper<QMutex> wrapper(&d->savingEntryMutex);
     std::unique_lock<StdLockableWrapper<QMutex>> l(wrapper, std::try_to_lock);
     return !l.owns_lock();
 }
 
 bool KisMainWindow::saveDocument(KisDocument *document, bool saveas, bool isExporting)
 {
     if (!document) {
         return true;
     }
 
     /**
      * Make sure that we cannot enter this method twice!
      *
      * The lower level functions may call processEvents() so
      * double-entry is quite possible to achieve. Here we try to lock
      * the mutex, and if it is failed, just cancel saving.
      */
     StdLockableWrapper<QMutex> wrapper(&d->savingEntryMutex);
     std::unique_lock<StdLockableWrapper<QMutex>> l(wrapper, std::try_to_lock);
     if (!l.owns_lock()) return false;
 
     // no busy wait for saving because it is dangerous!
     KisDelayedSaveDialog dlg(document->image(), KisDelayedSaveDialog::SaveDialog, 0, this);
     dlg.blockIfImageIsBusy();
 
     if (dlg.result() == KisDelayedSaveDialog::Rejected) {
         return false;
     } else if (dlg.result() == KisDelayedSaveDialog::Ignored) {
         QMessageBox::critical(0,
                               i18nc("@title:window", "Krita"),
                               i18n("You are saving a file while the image is "
                                    "still rendering. The saved file may be "
                                    "incomplete or corrupted.\n\n"
                                    "Please select a location where the original "
                                    "file will not be overridden!"));
 
 
         saveas = true;
     }
 
+    if (document->isRecovered()) {
+        saveas = true;
+    }
+
     bool reset_url;
 
     if (document->url().isEmpty()) {
         reset_url = true;
         saveas = true;
     } else {
         reset_url = false;
     }
 
     connect(document, SIGNAL(sigProgress(int)), this, SLOT(slotProgress(int)));
     connect(document, SIGNAL(completed()), this, SLOT(slotSaveCompleted()));
     connect(document, SIGNAL(canceled(const QString &)), this, SLOT(slotSaveCanceled(const QString &)));
 
     QUrl oldURL = document->url();
     QString oldFile = document->localFilePath();
 
     QByteArray _native_format = document->nativeFormatMimeType();
     QByteArray oldOutputFormat = document->outputMimeType();
 
     QUrl suggestedURL = document->url();
 
     QStringList mimeFilter;
 
     mimeFilter = KisImportExportManager::mimeFilter(KisImportExportManager::Export);
 
     if (!mimeFilter.contains(oldOutputFormat) && !isExporting) {
         dbgUI << "KisMainWindow::saveDocument no export filter for" << oldOutputFormat;
 
         // --- don't setOutputMimeType in case the user cancels the Save As
         // dialog and then tries to just plain Save ---
 
         // suggest a different filename extension (yes, we fortunately don't all live in a world of magic :))
         QString suggestedFilename = suggestedURL.fileName();
 
         if (!suggestedFilename.isEmpty()) {  // ".kra" looks strange for a name
             int c = suggestedFilename.lastIndexOf('.');
 
             const QString ext = KisMimeDatabase::suffixesForMimeType(_native_format).first();
             if (!ext.isEmpty()) {
                 if (c < 0)
                     suggestedFilename = suggestedFilename + "." + ext;
                 else
                     suggestedFilename = suggestedFilename.left(c) + "." + ext;
             } else { // current filename extension wrong anyway
                 if (c > 0) {
                     // this assumes that a . signifies an extension, not just a .
                     suggestedFilename = suggestedFilename.left(c);
                 }
             }
 
             suggestedURL = suggestedURL.adjusted(QUrl::RemoveFilename);
             suggestedURL.setPath(suggestedURL.path() + suggestedFilename);
         }
 
         // force the user to choose outputMimeType
         saveas = true;
     }
 
     bool ret = false;
 
     if (document->url().isEmpty() || saveas) {
         // if you're just File/Save As'ing to change filter options you
         // don't want to be reminded about overwriting files etc.
         bool justChangingFilterOptions = false;
 
         KoFileDialog dialog(this, KoFileDialog::SaveFile, "SaveAs");
         dialog.setCaption(i18n("untitled"));
         if (isExporting && !d->lastExportUrl.isEmpty()) {
             dialog.setDefaultDir(d->lastExportUrl.toLocalFile());
         }
         else {
             dialog.setDefaultDir(suggestedURL.toLocalFile());
         }
         // Default to all supported file types if user is exporting, otherwise use Krita default
         dialog.setMimeTypeFilters(mimeFilter, QString(_native_format));
         QUrl newURL = QUrl::fromUserInput(dialog.filename());
 
         if (newURL.isLocalFile()) {
             QString fn = newURL.toLocalFile();
             if (QFileInfo(fn).completeSuffix().isEmpty()) {
                 fn.append(KisMimeDatabase::suffixesForMimeType(_native_format).first());
                 newURL = QUrl::fromLocalFile(fn);
             }
         }
 
         if (document->documentInfo()->aboutInfo("title") == i18n("Unnamed")) {
             QString fn = newURL.toLocalFile();
             QFileInfo info(fn);
             document->documentInfo()->setAboutInfo("title", info.baseName());
         }
 
         QByteArray outputFormat = _native_format;
 
         QString outputFormatString = KisMimeDatabase::mimeTypeForFile(newURL.toLocalFile());
         outputFormat = outputFormatString.toLatin1();
 
 
         if (!isExporting) {
             justChangingFilterOptions = (newURL == document->url()) && (outputFormat == document->mimeType());
         }
         else {
             justChangingFilterOptions = (newURL == d->lastExportUrl) && (outputFormat == d->lastExportedFormat);
         }
 
         bool bOk = true;
         if (newURL.isEmpty()) {
             bOk = false;
         }
 
         if (bOk) {
             bool wantToSave = true;
 
             // don't change this line unless you know what you're doing :)
             if (!justChangingFilterOptions) {
                 if (!document->isNativeFormat(outputFormat))
                     wantToSave = true;
             }
 
             if (wantToSave) {
                 //
                 // Note:
                 // If the user is stupid enough to Export to the current URL,
                 // we do _not_ change this operation into a Save As.  Reasons
                 // follow:
                 //
                 // 1. A check like "isExporting && oldURL == newURL"
                 //    doesn't _always_ work on case-insensitive filesystems
                 //    and inconsistent behaviour is bad.
                 // 2. It is probably not a good idea to change document->mimeType
                 //    and friends because the next time the user File/Save's,
                 //    (not Save As) they won't be expecting that they are
                 //    using their File/Export settings
                 //
                 // As a bad side-effect of this, the modified flag will not
                 // be updated and it is possible that what is currently on
                 // their screen is not what is stored on disk (through loss
                 // of formatting).  But if you are dumb enough to change
                 // mimetype but not the filename, then arguably, _you_ are
                 // the "bug" :)
                 //
                 // - Clarence
                 //
                 document->setOutputMimeType(outputFormat);
                 if (!isExporting) {  // Save As
                     ret = document->saveAs(newURL, true);
 
                     if (ret) {
                         dbgUI << "Successful Save As!";
                         addRecentURL(newURL);
                         setReadWrite(true);
                     } else {
                         dbgUI << "Failed Save As!";
                         document->setUrl(oldURL);
                         document->setLocalFilePath(oldFile);
                         document->setOutputMimeType(oldOutputFormat);
                     }
                 } else { // Export
                     ret = document->exportDocument(newURL);
 
                     if (ret) {
                         // a few file dialog convenience things
                         d->lastExportUrl = newURL;
                         d->lastExportedFormat = outputFormat;
                     }
 
                     // always restore output format
                     document->setOutputMimeType(oldOutputFormat);
                 }
 
             }   // if (wantToSave)  {
             else
                 ret = false;
         }   // if (bOk) {
         else
             ret = false;
     } else { // saving
         // We cannot "export" into the currently
         // opened document. We are not Gimp.
         KIS_ASSERT_RECOVER_NOOP(!isExporting);
 
         // be sure document has the correct outputMimeType!
         if (document->isModified()) {
             ret = document->save(true, 0);
         }
 
         if (!ret) {
             dbgUI << "Failed Save!";
             document->setUrl(oldURL);
             document->setLocalFilePath(oldFile);
         }
     }
 
+    if (ret && !isExporting) {
+        document->setRecovered(false);
+    }
 
     if (!ret && reset_url)
         document->resetURL(); //clean the suggested filename as the save dialog was rejected
 
     updateReloadFileAction(document);
     updateCaption();
 
     return ret;
 }
 
 void KisMainWindow::undo()
 {
     if (activeView()) {
         activeView()->undoAction()->trigger();
         d->undo->setText(activeView()->undoAction()->text());
     }
 }
 
 void KisMainWindow::redo()
 {
     if (activeView()) {
         activeView()->redoAction()->trigger();
         d->redo->setText(activeView()->redoAction()->text());
     }
 }
 
 void KisMainWindow::closeEvent(QCloseEvent *e)
 {
     d->mdiArea->closeAllSubWindows();
 
     QAction *action= d->viewManager->actionCollection()->action("view_show_canvas_only");
 
     if ((action) && (action->isChecked())) {
         action->setChecked(false);
     }
     KConfigGroup cfg( KSharedConfig::openConfig(), "MainWindow");
     cfg.writeEntry("ko_geometry", saveGeometry().toBase64());
     cfg.writeEntry("ko_windowstate", saveState().toBase64());
 
     {
         KConfigGroup group( KSharedConfig::openConfig(), "theme");
         group.writeEntry("Theme", d->themeManager->currentThemeName());
     }
 
     QList<QMdiSubWindow*> childrenList = d->mdiArea->subWindowList();
 
     if (childrenList.isEmpty()) {
         d->deferredClosingEvent = e;
 
         if (!d->dockerStateBeforeHiding.isEmpty()) {
             restoreState(d->dockerStateBeforeHiding);
         }
         statusBar()->setVisible(true);
         menuBar()->setVisible(true);
 
         saveWindowSettings();
 
         if (d->noCleanup)
             return;
 
         Q_FOREACH (QMdiSubWindow *subwin, d->mdiArea->subWindowList()) {
             KisView *view = dynamic_cast<KisView*>(subwin);
             if (view) {
                 KisPart::instance()->removeView(view);
             }
         }
 
         if (!d->dockWidgetVisibilityMap.isEmpty()) { // re-enable dockers for persistency
             Q_FOREACH (QDockWidget* dockWidget, d->dockWidgetsMap)
                 dockWidget->setVisible(d->dockWidgetVisibilityMap.value(dockWidget));
         }
     } else {
         e->setAccepted(false);
     }
 }
 
 void KisMainWindow::saveWindowSettings()
 {
     KSharedConfigPtr config =  KSharedConfig::openConfig();
 
     if (d->windowSizeDirty ) {
         dbgUI << "KisMainWindow::saveWindowSettings";
         KConfigGroup group = config->group("MainWindow");
         KWindowConfig::saveWindowSize(windowHandle(), group);
         config->sync();
         d->windowSizeDirty = false;
     }
 
     if (!d->activeView || d->activeView->document()) {
 
         // Save toolbar position into the config file of the app, under the doc's component name
         KConfigGroup group =  KSharedConfig::openConfig()->group("krita");
         saveMainWindowSettings(group);
 
         // Save collapsable state of dock widgets
         for (QMap<QString, QDockWidget*>::const_iterator i = d->dockWidgetsMap.constBegin();
              i != d->dockWidgetsMap.constEnd(); ++i) {
             if (i.value()->widget()) {
                 KConfigGroup dockGroup = group.group(QString("DockWidget ") + i.key());
                 dockGroup.writeEntry("Collapsed", i.value()->widget()->isHidden());
                 dockGroup.writeEntry("Locked", i.value()->property("Locked").toBool());
                 dockGroup.writeEntry("DockArea", (int) dockWidgetArea(i.value()));
                 dockGroup.writeEntry("xPosition", (int) i.value()->widget()->x());
                 dockGroup.writeEntry("yPosition", (int) i.value()->widget()->y());
 
                 dockGroup.writeEntry("width", (int) i.value()->widget()->width());
                 dockGroup.writeEntry("height", (int) i.value()->widget()->height());
             }
         }
 
     }
 
      KSharedConfig::openConfig()->sync();
     resetAutoSaveSettings(); // Don't let KMainWindow override the good stuff we wrote down
 
 }
 
 void KisMainWindow::resizeEvent(QResizeEvent * e)
 {
     d->windowSizeDirty = true;
     KXmlGuiWindow::resizeEvent(e);
 }
 
 void KisMainWindow::setActiveView(KisView* view)
 {
     d->activeView = view;
     updateCaption();
     actionCollection()->action("edit_undo")->setText(activeView()->undoAction()->text());
     actionCollection()->action("edit_redo")->setText(activeView()->redoAction()->text());
     d->viewManager->setCurrentView(view);
 }
 
 void KisMainWindow::dragEnterEvent(QDragEnterEvent *event)
 {
     if (event->mimeData()->hasUrls() ||
         event->mimeData()->hasFormat("application/x-krita-node") ||
         event->mimeData()->hasFormat("application/x-qt-image")) {
 
         event->accept();
     }
 }
 
 void KisMainWindow::dropEvent(QDropEvent *event)
 {
     if (event->mimeData()->hasUrls() && event->mimeData()->urls().size() > 0) {
         Q_FOREACH (const QUrl &url, event->mimeData()->urls()) {
             openDocument(url, None);
         }
     }
 }
 
 void KisMainWindow::dragMoveEvent(QDragMoveEvent * event)
 {
     QTabBar *tabBar = d->findTabBarHACK();
 
     if (!tabBar && d->mdiArea->viewMode() == QMdiArea::TabbedView) {
         qWarning() << "WARNING!!! Cannot find QTabBar in the main window! Looks like Qt has changed behavior. Drag & Drop between multiple tabs might not work properly (tabs will not switch automatically)!";
     }
 
     if (tabBar && tabBar->isVisible()) {
         QPoint pos = tabBar->mapFromGlobal(mapToGlobal(event->pos()));
         if (tabBar->rect().contains(pos)) {
             const int tabIndex = tabBar->tabAt(pos);
 
             if (tabIndex >= 0 && tabBar->currentIndex() != tabIndex) {
                 d->tabSwitchCompressor->start(tabIndex);
             }
         } else if (d->tabSwitchCompressor->isActive()) {
             d->tabSwitchCompressor->stop();
         }
     }
 }
 
 void KisMainWindow::dragLeaveEvent(QDragLeaveEvent * /*event*/)
 {
     if (d->tabSwitchCompressor->isActive()) {
         d->tabSwitchCompressor->stop();
     }
 }
 
 void KisMainWindow::switchTab(int index)
 {
     QTabBar *tabBar = d->findTabBarHACK();
     if (!tabBar) return;
 
     tabBar->setCurrentIndex(index);
 }
 
 void KisMainWindow::slotFileNew()
 {
     const QStringList mimeFilter = KisImportExportManager::mimeFilter(KisImportExportManager::Import);
 
     KisOpenPane *startupWidget = new KisOpenPane(this, mimeFilter, QStringLiteral("templates/"));
     startupWidget->setWindowModality(Qt::WindowModal);
 
     KisConfig cfg;
 
     int w = cfg.defImageWidth();
     int h = cfg.defImageHeight();
     const double resolution = cfg.defImageResolution();
     const QString colorModel = cfg.defColorModel();
     const QString colorDepth = cfg.defaultColorDepth();
     const QString colorProfile = cfg.defColorProfile();
 
 
     CustomDocumentWidgetItem item;
     item.widget = new KisCustomImageWidget(startupWidget,
                                            w,
                                            h,
                                            resolution,
                                            colorModel,
                                            colorDepth,
                                            colorProfile,
                                            i18n("Unnamed"));
 
     item.icon = "document-new";
 
     startupWidget->addCustomDocumentWidget(item.widget, item.title, item.icon);
 
     QSize sz = KisClipboard::instance()->clipSize();
     if (sz.isValid() && sz.width() != 0 && sz.height() != 0) {
         w = sz.width();
         h = sz.height();
     }
 
     item.widget = new KisImageFromClipboard(startupWidget,
                                             w,
                                             h,
                                             resolution,
                                             colorModel,
                                             colorDepth,
                                             colorProfile,
                                             i18n("Unnamed"));
 
     item.title = i18n("Create from Clipboard");
     item.icon = "tab-new";
 
     startupWidget->addCustomDocumentWidget(item.widget, item.title, item.icon);
 
     // calls deleteLater
     connect(startupWidget, SIGNAL(documentSelected(KisDocument*)), KisPart::instance(), SLOT(startCustomDocument(KisDocument*)));
     // calls deleteLater
     connect(startupWidget, SIGNAL(openTemplate(const QUrl&)), KisPart::instance(), SLOT(openTemplate(const QUrl&)));
 
     startupWidget->exec();
 
     // Cancel calls deleteLater...
 
 }
 
 void KisMainWindow::slotImportFile()
 {
     dbgUI << "slotImportFile()";
     slotFileOpen(true);
 }
 
 
 void KisMainWindow::slotFileOpen(bool isImporting)
 {
     QStringList urls = showOpenFileDialog(isImporting);
 
     if (urls.isEmpty())
         return;
 
     Q_FOREACH (const QString& url, urls) {
 
         if (!url.isEmpty()) {
             OpenFlags flags = isImporting ? Import : None;
             bool res = openDocument(QUrl::fromLocalFile(url), flags);
             if (!res) {
                 warnKrita << "Loading" << url << "failed";
             }
         }
     }
 }
 
 void KisMainWindow::slotFileOpenRecent(const QUrl &url)
 {
     (void) openDocument(QUrl::fromLocalFile(url.toLocalFile()), None);
 }
 
 void KisMainWindow::slotFileSave()
 {
     if (saveDocument(d->activeView->document(), false, false)) {
         emit documentSaved();
     }
 }
 
 void KisMainWindow::slotFileSaveAs()
 {
     if (saveDocument(d->activeView->document(), true, false)) {
         emit documentSaved();
     }
 }
 
 void KisMainWindow::slotExportFile()
 {
     if (saveDocument(d->activeView->document(), true, true)) {
         emit documentSaved();
     }
 }
 
 KoCanvasResourceManager *KisMainWindow::resourceManager() const
 {
     return d->viewManager->resourceProvider()->resourceManager();
 }
 
 int KisMainWindow::viewCount() const
 {
     return d->mdiArea->subWindowList().size();
 }
 
 bool KisMainWindow::restoreWorkspace(const QByteArray &state)
 {
     QByteArray oldState = saveState();
     const bool showTitlebars = KisConfig().showDockerTitleBars();
 
     // needed because otherwise the layout isn't correctly restored in some situations
     Q_FOREACH (QDockWidget *dock, dockWidgets()) {
         dock->hide();
         dock->titleBarWidget()->setVisible(showTitlebars);
     }
 
     bool success = KXmlGuiWindow::restoreState(state);
 
     if (!success) {
         KXmlGuiWindow::restoreState(oldState);
         Q_FOREACH (QDockWidget *dock, dockWidgets()) {
             if (dock->titleBarWidget()) {
                 dock->titleBarWidget()->setVisible(showTitlebars || dock->isFloating());
             }
         }
         return false;
     }
 
 
     Q_FOREACH (QDockWidget *dock, dockWidgets()) {
         if (dock->titleBarWidget()) {
             const bool isCollapsed = (dock->widget() && dock->widget()->isHidden()) || !dock->widget();
             dock->titleBarWidget()->setVisible(showTitlebars || (dock->isFloating() && isCollapsed));
         }
     }
 
     return success;
 }
 
 KisViewManager *KisMainWindow::viewManager() const
 {
     return d->viewManager;
 }
 
 void KisMainWindow::slotDocumentInfo()
 {
     if (!d->activeView->document())
         return;
 
     KoDocumentInfo *docInfo = d->activeView->document()->documentInfo();
 
     if (!docInfo)
         return;
 
     KoDocumentInfoDlg *dlg = d->activeView->document()->createDocumentInfoDialog(this, docInfo);
 
     if (dlg->exec()) {
         if (dlg->isDocumentSaved()) {
             d->activeView->document()->setModified(false);
         } else {
             d->activeView->document()->setModified(true);
         }
         d->activeView->document()->setTitleModified();
     }
 
     delete dlg;
 }
 
 bool KisMainWindow::slotFileCloseAll()
 {
     Q_FOREACH (QMdiSubWindow *subwin, d->mdiArea->subWindowList()) {
         if (subwin) {
             if(!subwin->close())
                 return false;
         }
     }
 
     updateCaption();
     return true;
 }
 
 void KisMainWindow::slotFileQuit()
 {
     if(!slotFileCloseAll())
         return;
 
     close();
 
     Q_FOREACH (QPointer<KisMainWindow> mainWin, KisPart::instance()->mainWindows()) {
         if (mainWin != this) {
             if(!mainWin->slotFileCloseAll())
                 return;
 
             mainWin->close();
         }
     }
 }
 
 void KisMainWindow::slotFilePrint()
 {
     if (!activeView())
         return;
     KisPrintJob *printJob = activeView()->createPrintJob();
     if (printJob == 0)
         return;
     applyDefaultSettings(printJob->printer());
     QPrintDialog *printDialog = activeView()->createPrintDialog( printJob, this );
     if (printDialog && printDialog->exec() == QDialog::Accepted) {
         printJob->printer().setPageMargins(0.0, 0.0, 0.0, 0.0, QPrinter::Point);
         printJob->printer().setPaperSize(QSizeF(activeView()->image()->width() / (72.0 * activeView()->image()->xRes()),
                                                 activeView()->image()->height()/ (72.0 * activeView()->image()->yRes())),
                                          QPrinter::Inch);
         printJob->startPrinting(KisPrintJob::DeleteWhenDone);
     }
     else {
         delete printJob;
     }
     delete printDialog;
 }
 
 void KisMainWindow::slotFilePrintPreview()
 {
     if (!activeView())
         return;
     KisPrintJob *printJob = activeView()->createPrintJob();
     if (printJob == 0)
         return;
 
     /* Sets the startPrinting() slot to be blocking.
      The Qt print-preview dialog requires the printing to be completely blocking
      and only return when the full document has been printed.
      By default the KisPrintingDialog is non-blocking and
      multithreading, setting blocking to true will allow it to be used in the preview dialog */
     printJob->setProperty("blocking", true);
     QPrintPreviewDialog *preview = new QPrintPreviewDialog(&printJob->printer(), this);
     printJob->setParent(preview); // will take care of deleting the job
     connect(preview, SIGNAL(paintRequested(QPrinter*)), printJob, SLOT(startPrinting()));
     preview->exec();
     delete preview;
 }
 
 KisPrintJob* KisMainWindow::exportToPdf(QString pdfFileName)
 {
     if (!activeView())
         return 0;
 
     if (!activeView()->document())
         return 0;
 
     KoPageLayout pageLayout;
     pageLayout.width = 0;
     pageLayout.height = 0;
     pageLayout.topMargin = 0;
     pageLayout.bottomMargin = 0;
     pageLayout.leftMargin = 0;
     pageLayout.rightMargin = 0;
 
     if (pdfFileName.isEmpty()) {
         KConfigGroup group =  KSharedConfig::openConfig()->group("File Dialogs");
         QString defaultDir = group.readEntry("SavePdfDialog");
         if (defaultDir.isEmpty())
             defaultDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
         QUrl startUrl = QUrl::fromLocalFile(defaultDir);
         KisDocument* pDoc = d->activeView->document();
         /** if document has a file name, take file name and replace extension with .pdf */
         if (pDoc && pDoc->url().isValid()) {
             startUrl = pDoc->url();
             QString fileName = startUrl.toLocalFile();
             fileName = fileName.replace( QRegExp( "\\.\\w{2,5}$", Qt::CaseInsensitive ), ".pdf" );
             startUrl = startUrl.adjusted(QUrl::RemoveFilename);
             startUrl.setPath(startUrl.path() +  fileName );
         }
 
         QPointer<KoPageLayoutDialog> layoutDlg(new KoPageLayoutDialog(this, pageLayout));
         layoutDlg->setWindowModality(Qt::WindowModal);
         if (layoutDlg->exec() != QDialog::Accepted || !layoutDlg) {
             delete layoutDlg;
             return 0;
         }
         pageLayout = layoutDlg->pageLayout();
         delete layoutDlg;
 
         KoFileDialog dialog(this, KoFileDialog::SaveFile, "OpenDocument");
         dialog.setCaption(i18n("Export as PDF"));
         dialog.setDefaultDir(startUrl.toLocalFile());
         dialog.setMimeTypeFilters(QStringList() << "application/pdf");
         QUrl url = QUrl::fromUserInput(dialog.filename());
 
         pdfFileName = url.toLocalFile();
         if (pdfFileName.isEmpty())
             return 0;
     }
 
     KisPrintJob *printJob = activeView()->createPrintJob();
     if (printJob == 0)
         return 0;
     if (isHidden()) {
         printJob->setProperty("noprogressdialog", true);
     }
 
     applyDefaultSettings(printJob->printer());
     // TODO for remote files we have to first save locally and then upload.
     printJob->printer().setOutputFileName(pdfFileName);
     printJob->printer().setDocName(pdfFileName);
     printJob->printer().setColorMode(QPrinter::Color);
 
     if (pageLayout.format == KoPageFormat::CustomSize) {
         printJob->printer().setPaperSize(QSizeF(pageLayout.width, pageLayout.height), QPrinter::Millimeter);
     } else {
         printJob->printer().setPaperSize(KoPageFormat::printerPageSize(pageLayout.format));
     }
 
     printJob->printer().setPageMargins(pageLayout.leftMargin, pageLayout.topMargin, pageLayout.rightMargin, pageLayout.bottomMargin, QPrinter::Millimeter);
 
     switch (pageLayout.orientation) {
     case KoPageFormat::Portrait:
         printJob->printer().setOrientation(QPrinter::Portrait);
         break;
     case KoPageFormat::Landscape:
         printJob->printer().setOrientation(QPrinter::Landscape);
         break;
     }
 
     //before printing check if the printer can handle printing
     if (!printJob->canPrint()) {
         QMessageBox::critical(this, i18nc("@title:window", "Krita"), i18n("Cannot export to the specified file"));
     }
 
     printJob->startPrinting(KisPrintJob::DeleteWhenDone);
     return printJob;
 }
 
 void KisMainWindow::importAnimation()
 {
     if (!activeView()) return;
 
     KisDocument *document = activeView()->document();
     if (!document) return;
 
     KisDlgImportImageSequence dlg(this, document);
 
     if (dlg.exec() == QDialog::Accepted) {
         QStringList files = dlg.files();
         int firstFrame = dlg.firstFrame();
         int step = dlg.step();
 
         document->setFileProgressProxy();
         document->setFileProgressUpdater(i18n("Import frames"));
         KisAnimationImporter importer(document);
         KisImportExportFilter::ConversionStatus status = importer.import(files, firstFrame, step);
         document->clearFileProgressUpdater();
         document->clearFileProgressProxy();
 
         if (status != KisImportExportFilter::OK && status != KisImportExportFilter::InternalError) {
             QString msg = KisImportExportFilter::conversionStatusString(status);
 
             if (!msg.isEmpty())
                 QMessageBox::critical(0, i18nc("@title:window", "Krita"), i18n("Could not finish import animation:\n%1", msg));
         }
         activeView()->canvasBase()->refetchDataFromImage();
     }
 }
 
 void KisMainWindow::slotConfigureToolbars()
 {
     KConfigGroup group =  KSharedConfig::openConfig()->group("krita");
     saveMainWindowSettings(group);
     KEditToolBar edit(factory(), this);
     connect(&edit, SIGNAL(newToolBarConfig()), this, SLOT(slotNewToolbarConfig()));
     (void) edit.exec();
     applyToolBarLayout();
 }
 
 void KisMainWindow::slotNewToolbarConfig()
 {
     applyMainWindowSettings(KSharedConfig::openConfig()->group("krita"));
 
     KXMLGUIFactory *factory = guiFactory();
     Q_UNUSED(factory);
 
     // Check if there's an active view
     if (!d->activeView)
         return;
 
     plugActionList("toolbarlist", d->toolbarList);
     applyToolBarLayout();
 }
 
 void KisMainWindow::slotToolbarToggled(bool toggle)
 {
     //dbgUI <<"KisMainWindow::slotToolbarToggled" << sender()->name() <<" toggle=" << true;
     // The action (sender) and the toolbar have the same name
     KToolBar * bar = toolBar(sender()->objectName());
     if (bar) {
         if (toggle) {
             bar->show();
         }
         else {
             bar->hide();
         }
 
         if (d->activeView && d->activeView->document()) {
             KConfigGroup group =  KSharedConfig::openConfig()->group("krita");
             saveMainWindowSettings(group);
         }
     } else
         warnUI << "slotToolbarToggled : Toolbar " << sender()->objectName() << " not found!";
 }
 
 void KisMainWindow::viewFullscreen(bool fullScreen)
 {
     KisConfig cfg;
     cfg.setFullscreenMode(fullScreen);
 
     if (fullScreen) {
         setWindowState(windowState() | Qt::WindowFullScreen);   // set
     } else {
         setWindowState(windowState() & ~Qt::WindowFullScreen);   // reset
     }
 }
 
 void KisMainWindow::slotProgress(int value)
 {
     qApp->processEvents();
 
     StdLockableWrapper<QMutex> wrapper(&d->progressMutex);
     std::unique_lock<StdLockableWrapper<QMutex>> l(wrapper, std::try_to_lock);
     if (!l.owns_lock()) return;
 
 
     dbgUI << "KisMainWindow::slotProgress" << value;
     if (value <= -1 || value >= 100) {
         if (d->progress) {
             statusBar()->removeWidget(d->progress);
             delete d->progress;
             d->progress = 0;
 
             disconnect(d->progressCancel, SIGNAL(clicked()), this, SLOT(slotProgressCanceled()));
             statusBar()->removeWidget(d->progressCancel);
             delete d->progressCancel;
             d->progressCancel = 0;
         }
         d->firstTime = true;
         return;
     }
     if (d->firstTime || !d->progress) {
         // The statusbar might not even be created yet.
         // So check for that first, and create it if necessary
         QStatusBar *bar = findChild<QStatusBar *>();
         if (!bar) {
             statusBar()->show();
             QApplication::sendPostedEvents(this, QEvent::ChildAdded);
         }
 
         if (d->progress) {
             statusBar()->removeWidget(d->progress);
             delete d->progress;
             d->progress = 0;
 
             disconnect(d->progressCancel, SIGNAL(clicked()), this, SLOT(slotProgressCanceled()));
             statusBar()->removeWidget(d->progressCancel);
             delete d->progressCancel;
             d->progress = 0;
         }
 
         d->progressCancel = new QToolButton(statusBar());
         d->progressCancel->setMaximumHeight(statusBar()->fontMetrics().height());
         d->progressCancel->setIcon(KisIconUtils::loadIcon("process-stop"));
         statusBar()->addPermanentWidget(d->progressCancel);
 
         d->progress = new QProgressBar(statusBar());
         d->progress->setMaximumHeight(statusBar()->fontMetrics().height());
         d->progress->setRange(0, 100);
         statusBar()->addPermanentWidget(d->progress);
 
         connect(d->progressCancel, SIGNAL(clicked()), this, SLOT(slotProgressCanceled()));
 
         d->progress->show();
         d->progressCancel->show();
         d->firstTime = false;
     }
     if (!d->progress.isNull()) {
         d->progress->setValue(value);
     }
     qApp->processEvents();
 }
 
 void KisMainWindow::slotProgressCanceled()
 {
     emit sigProgressCanceled();
 }
 
 void KisMainWindow::setMaxRecentItems(uint _number)
 {
     d->recentFiles->setMaxItems(_number);
 }
 
 void KisMainWindow::slotReloadFile()
 {
     KisDocument* document = d->activeView->document();
     if (!document || document->url().isEmpty())
         return;
 
     if (document->isModified()) {
         bool ok = QMessageBox::question(this,
                                         i18nc("@title:window", "Krita"),
                                         i18n("You will lose all changes made since your last save\n"
                                              "Do you want to continue?"),
                                         QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes) == QMessageBox::Yes;
         if (!ok)
             return;
     }
 
     QUrl url = document->url();
 
     saveWindowSettings();
     if (!document->reload()) {
         QMessageBox::critical(this, i18nc("@title:window", "Krita"), i18n("Error: Could not reload this document"));
     }
 
     return;
 
 }
 
 QDockWidget* KisMainWindow::createDockWidget(KoDockFactoryBase* factory)
 {
     QDockWidget* dockWidget = 0;
 
     if (!d->dockWidgetsMap.contains(factory->id())) {
         dockWidget = factory->createDockWidget();
 
         // It is quite possible that a dock factory cannot create the dock; don't
         // do anything in that case.
         if (!dockWidget) {
             warnKrita << "Could not create docker for" << factory->id();
             return 0;
         }
 
         KoDockWidgetTitleBar *titleBar = dynamic_cast<KoDockWidgetTitleBar*>(dockWidget->titleBarWidget());
 
         // Check if the dock widget is supposed to be collapsable
         if (!dockWidget->titleBarWidget()) {
             titleBar = new KoDockWidgetTitleBar(dockWidget);
             dockWidget->setTitleBarWidget(titleBar);
             titleBar->setCollapsable(factory->isCollapsable());
         }
         titleBar->setFont(KoDockRegistry::dockFont());
 
         dockWidget->setObjectName(factory->id());
         dockWidget->setParent(this);
 
         if (dockWidget->widget() && dockWidget->widget()->layout())
             dockWidget->widget()->layout()->setContentsMargins(1, 1, 1, 1);
 
         Qt::DockWidgetArea side = Qt::RightDockWidgetArea;
         bool visible = true;
 
         switch (factory->defaultDockPosition()) {
         case KoDockFactoryBase::DockTornOff:
             dockWidget->setFloating(true); // position nicely?
             break;
         case KoDockFactoryBase::DockTop:
             side = Qt::TopDockWidgetArea; break;
         case KoDockFactoryBase::DockLeft:
             side = Qt::LeftDockWidgetArea; break;
         case KoDockFactoryBase::DockBottom:
             side = Qt::BottomDockWidgetArea; break;
         case KoDockFactoryBase::DockRight:
             side = Qt::RightDockWidgetArea; break;
         case KoDockFactoryBase::DockMinimized:
         default:
             side = Qt::RightDockWidgetArea;
             visible = false;
         }
 
         KConfigGroup group =  KSharedConfig::openConfig()->group("krita").group("DockWidget " + factory->id());
         side = static_cast<Qt::DockWidgetArea>(group.readEntry("DockArea", static_cast<int>(side)));
         if (side == Qt::NoDockWidgetArea) side = Qt::RightDockWidgetArea;
 
         addDockWidget(side, dockWidget);
         if (!visible) {
             dockWidget->hide();
         }
         bool collapsed = factory->defaultCollapsed();
 
         bool locked = false;
         group =  KSharedConfig::openConfig()->group("krita").group("DockWidget " + factory->id());
         collapsed = group.readEntry("Collapsed", collapsed);
         locked = group.readEntry("Locked", locked);
 
         //dbgKrita << "docker" << factory->id() << dockWidget << "collapsed" << collapsed << "locked" << locked << "titlebar" << titleBar;
 
         if (titleBar && collapsed)
             titleBar->setCollapsed(true);
 
         if (titleBar && locked)
             titleBar->setLocked(true);
 
         d->dockWidgetsMap.insert(factory->id(), dockWidget);
     }
     else {
         dockWidget = d->dockWidgetsMap[factory->id()];
     }
 
 #ifdef Q_OS_OSX
     dockWidget->setAttribute(Qt::WA_MacSmallSize, true);
 #endif
     dockWidget->setFont(KoDockRegistry::dockFont());
 
     connect(dockWidget, SIGNAL(dockLocationChanged(Qt::DockWidgetArea)), this, SLOT(forceDockTabFonts()));
 
     return dockWidget;
 }
 
 void KisMainWindow::forceDockTabFonts()
 {
     Q_FOREACH (QObject *child, children()) {
         if (child->inherits("QTabBar")) {
             ((QTabBar *)child)->setFont(KoDockRegistry::dockFont());
         }
     }
 }
 
 QList<QDockWidget*> KisMainWindow::dockWidgets() const
 {
     return d->dockWidgetsMap.values();
 }
 
 QDockWidget* KisMainWindow::dockWidget(const QString &id)
 {
     if (!d->dockWidgetsMap.contains(id)) return 0;
     return d->dockWidgetsMap[id];
 }
 
 QList<KoCanvasObserverBase*> KisMainWindow::canvasObservers() const
 {
     QList<KoCanvasObserverBase*> observers;
 
     Q_FOREACH (QDockWidget *docker, dockWidgets()) {
         KoCanvasObserverBase *observer = dynamic_cast<KoCanvasObserverBase*>(docker);
         if (observer) {
             observers << observer;
         }
         else {
             warnKrita << docker << "is not a canvas observer";
         }
     }
     return observers;
 }
 
 
 void KisMainWindow::toggleDockersVisibility(bool visible)
 {
     if (!visible) {
         d->dockerStateBeforeHiding = saveState();
 
         Q_FOREACH (QObject* widget, children()) {
             if (widget->inherits("QDockWidget")) {
                 QDockWidget* dw = static_cast<QDockWidget*>(widget);
                 if (dw->isVisible()) {
                     dw->hide();
                 }
             }
         }
     }
     else {
         restoreState(d->dockerStateBeforeHiding);
     }
 }
 
 void KisMainWindow::setToolbarList(QList<QAction *> toolbarList)
 {
     qDeleteAll(d->toolbarList);
     d->toolbarList = toolbarList;
 }
 
 void KisMainWindow::slotDocumentTitleModified(const QString &caption, bool mod)
 {
     updateCaption();
     updateCaption(caption, mod);
     updateReloadFileAction(d->activeView ? d->activeView->document() : 0);
 }
 
 
 void KisMainWindow::subWindowActivated()
 {
     bool enabled = (activeKisView() != 0);
 
     d->mdiCascade->setEnabled(enabled);
     d->mdiNextWindow->setEnabled(enabled);
     d->mdiPreviousWindow->setEnabled(enabled);
     d->mdiTile->setEnabled(enabled);
     d->close->setEnabled(enabled);
     d->closeAll->setEnabled(enabled);
 
     setActiveSubWindow(d->mdiArea->activeSubWindow());
     Q_FOREACH (QToolBar *tb, toolBars()) {
         if (tb->objectName() == "BrushesAndStuff") {
             tb->setEnabled(enabled);
         }
     }
 
     updateCaption();
     d->actionManager()->updateGUI();
 }
 
 void KisMainWindow::updateWindowMenu()
 {
     QMenu *menu = d->windowMenu->menu();
     menu->clear();
 
     menu->addAction(d->newWindow);
     menu->addAction(d->documentMenu);
 
     QMenu *docMenu = d->documentMenu->menu();
     docMenu->clear();
 
     Q_FOREACH (QPointer<KisDocument> doc, KisPart::instance()->documents()) {
         if (doc) {
             QString title = doc->url().toDisplayString();
             if (title.isEmpty() && doc->image()) {
                 title = doc->image()->objectName();
             }
             QAction *action = docMenu->addAction(title);
             action->setIcon(qApp->windowIcon());
             connect(action, SIGNAL(triggered()), d->documentMapper, SLOT(map()));
             d->documentMapper->setMapping(action, doc);
         }
     }
 
     menu->addSeparator();
     menu->addAction(d->close);
     menu->addAction(d->closeAll);
     if (d->mdiArea->viewMode() == QMdiArea::SubWindowView) {
         menu->addSeparator();
         menu->addAction(d->mdiTile);
         menu->addAction(d->mdiCascade);
     }
     menu->addSeparator();
     menu->addAction(d->mdiNextWindow);
     menu->addAction(d->mdiPreviousWindow);
     menu->addSeparator();
 
     QList<QMdiSubWindow *> windows = d->mdiArea->subWindowList();
     for (int i = 0; i < windows.size(); ++i) {
         QPointer<KisView>child = qobject_cast<KisView*>(windows.at(i)->widget());
         if (child && child->document()) {
             QString text;
             if (i < 9) {
                 text = i18n("&%1 %2", i + 1, child->document()->url().toDisplayString());
             }
             else {
                 text = i18n("%1 %2", i + 1, child->document()->url().toDisplayString());
             }
 
             QAction *action  = menu->addAction(text);
             action->setIcon(qApp->windowIcon());
             action->setCheckable(true);
             action->setChecked(child == activeKisView());
             connect(action, SIGNAL(triggered()), d->windowMapper, SLOT(map()));
             d->windowMapper->setMapping(action, windows.at(i));
         }
     }
 
     updateCaption();
 }
 
 void KisMainWindow::setActiveSubWindow(QWidget *window)
 {
     if (!window) return;
     QMdiSubWindow *subwin = qobject_cast<QMdiSubWindow *>(window);
     //dbgKrita << "setActiveSubWindow();" << subwin << d->activeSubWindow;
 
     if (subwin && subwin != d->activeSubWindow) {
         KisView *view = qobject_cast<KisView *>(subwin->widget());
         //dbgKrita << "\t" << view << activeView();
         if (view && view != activeView()) {
              d->mdiArea->setActiveSubWindow(subwin);
             setActiveView(view);
         }
         d->activeSubWindow = subwin;
     }
     updateWindowMenu();
     d->actionManager()->updateGUI();
 }
 
 void KisMainWindow::configChanged()
 {
     KisConfig cfg;
     QMdiArea::ViewMode viewMode = (QMdiArea::ViewMode)cfg.readEntry<int>("mdi_viewmode", (int)QMdiArea::TabbedView);
     d->mdiArea->setViewMode(viewMode);
     Q_FOREACH (QMdiSubWindow *subwin, d->mdiArea->subWindowList()) {
         subwin->setOption(QMdiSubWindow::RubberBandMove, cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
         subwin->setOption(QMdiSubWindow::RubberBandResize, cfg.readEntry<int>("mdi_rubberband", cfg.useOpenGL()));
     }
 
     KConfigGroup group( KSharedConfig::openConfig(), "theme");
     d->themeManager->setCurrentTheme(group.readEntry("Theme", "Krita dark"));
     d->actionManager()->updateGUI();
 
     QBrush brush(cfg.getMDIBackgroundColor());
     d->mdiArea->setBackground(brush);
 
     QString backgroundImage = cfg.getMDIBackgroundImage();
     if (backgroundImage != "") {
         QImage image(backgroundImage);
         QBrush brush(image);
         d->mdiArea->setBackground(brush);
     }
 
     d->mdiArea->update();
 }
 
 void KisMainWindow::newView(QObject *document)
 {
     KisDocument *doc = qobject_cast<KisDocument*>(document);
     addViewAndNotifyLoadingCompleted(doc);
     d->actionManager()->updateGUI();
 }
 
 void KisMainWindow::newWindow()
 {
     KisPart::instance()->createMainWindow()->show();
 }
 
 void KisMainWindow::closeCurrentWindow()
 {
     d->mdiArea->currentSubWindow()->close();
     d->actionManager()->updateGUI();
 }
 
 void KisMainWindow::checkSanity()
 {
     // print error if the lcms engine is not available
     if (!KoColorSpaceEngineRegistry::instance()->contains("icc")) {
         // need to wait 1 event since exiting here would not work.
         m_errorMessage = i18n("The Krita LittleCMS color management plugin is not installed. Krita will quit now.");
         m_dieOnError = true;
         QTimer::singleShot(0, this, SLOT(showErrorAndDie()));
         return;
     }
 
     KisPaintOpPresetResourceServer * rserver = KisResourceServerProvider::instance()->paintOpPresetServer();
     if (rserver->resources().isEmpty()) {
         m_errorMessage = i18n("Krita cannot find any brush presets! Krita will quit now.");
         m_dieOnError = true;
         QTimer::singleShot(0, this, SLOT(showErrorAndDie()));
         return;
     }
 }
 
 void KisMainWindow::showErrorAndDie()
 {
     QMessageBox::critical(0, i18nc("@title:window", "Installation error"), m_errorMessage);
     if (m_dieOnError) {
         exit(10);
     }
 }
 
 void KisMainWindow::showAboutApplication()
 {
     KisAboutApplication dlg(this);
     dlg.exec();
 }
 
 QPointer<KisView>KisMainWindow::activeKisView()
 {
     if (!d->mdiArea) return 0;
     QMdiSubWindow *activeSubWindow = d->mdiArea->activeSubWindow();
     //dbgKrita << "activeKisView" << activeSubWindow;
     if (!activeSubWindow) return 0;
     return qobject_cast<KisView*>(activeSubWindow->widget());
 }
 
 void KisMainWindow::newOptionWidgets(KoCanvasController *controller, const QList<QPointer<QWidget> > &optionWidgetList)
 {
     KIS_ASSERT_RECOVER_NOOP(controller == KoToolManager::instance()->activeCanvasController());
     bool isOurOwnView = false;
 
     Q_FOREACH (QPointer<KisView> view, KisPart::instance()->views()) {
         if (view && view->canvasController() == controller) {
             isOurOwnView = view->mainWindow() == this;
         }
     }
 
     if (!isOurOwnView) return;
 
     Q_FOREACH (QWidget *w, optionWidgetList) {
 #ifdef Q_OS_OSX
         w->setAttribute(Qt::WA_MacSmallSize, true);
 #endif
         w->setFont(KoDockRegistry::dockFont());
     }
 
     if (d->toolOptionsDocker) {
         d->toolOptionsDocker->setOptionWidgets(optionWidgetList);
     }
     else {
         d->viewManager->paintOpBox()->newOptionWidgets(optionWidgetList);
     }
 }
 
 void KisMainWindow::applyDefaultSettings(QPrinter &printer) {
 
     if (!d->activeView) return;
 
     QString title = d->activeView->document()->documentInfo()->aboutInfo("title");
     if (title.isEmpty()) {
         title = d->activeView->document()->url().fileName();
         // strip off the native extension (I don't want foobar.kwd.ps when printing into a file)
         QString extension = KisMimeDatabase::suffixesForMimeType(d->activeView->document()->outputMimeType()).first();
         if (title.endsWith(extension)) {
             title.chop(extension.length());
         }
     }
 
     if (title.isEmpty()) {
         // #139905
         title = i18n("%1 unsaved document (%2)", qApp->applicationDisplayName(),
                      QLocale().toString(QDate::currentDate(), QLocale::ShortFormat));
     }
     printer.setDocName(title);
 }
 
 void KisMainWindow::createActions()
 {
     KisActionManager *actionManager = d->actionManager();
     KisConfig cfg;
 
     actionManager->createStandardAction(KStandardAction::New, this, SLOT(slotFileNew()));
     actionManager->createStandardAction(KStandardAction::Open, this, SLOT(slotFileOpen()));
     actionManager->createStandardAction(KStandardAction::Quit, this, SLOT(slotFileQuit()));
     actionManager->createStandardAction(KStandardAction::ConfigureToolbars, this, SLOT(slotConfigureToolbars()));
     actionManager->createStandardAction(KStandardAction::FullScreen, this, SLOT(viewFullscreen(bool)));
 
     d->recentFiles = KStandardAction::openRecent(this, SLOT(slotFileOpenRecent(QUrl)), actionCollection());
     connect(d->recentFiles, SIGNAL(recentListCleared()), this, SLOT(saveRecentFiles()));
     KSharedConfigPtr configPtr =  KSharedConfig::openConfig();
     d->recentFiles->loadEntries(configPtr->group("RecentFiles"));
 
     d->saveAction = actionManager->createStandardAction(KStandardAction::Save, this, SLOT(slotFileSave()));
     d->saveAction->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
     d->saveActionAs = actionManager->createStandardAction(KStandardAction::SaveAs, this, SLOT(slotFileSaveAs()));
     d->saveActionAs->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
 //    d->printAction = actionManager->createStandardAction(KStandardAction::Print, this, SLOT(slotFilePrint()));
 //    d->printAction->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
 //    d->printActionPreview = actionManager->createStandardAction(KStandardAction::PrintPreview, this, SLOT(slotFilePrintPreview()));
 //    d->printActionPreview->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
     d->undo = actionManager->createStandardAction(KStandardAction::Undo, this, SLOT(undo()));
     d->undo ->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
     d->redo = actionManager->createStandardAction(KStandardAction::Redo, this, SLOT(redo()));
     d->redo->setActivationFlags(KisAction::ACTIVE_IMAGE);
 
 //    d->exportPdf  = actionManager->createAction("file_export_pdf");
 //    connect(d->exportPdf, SIGNAL(triggered()), this, SLOT(exportToPdf()));
 
     d->importAnimation  = actionManager->createAction("file_import_animation");
     connect(d->importAnimation, SIGNAL(triggered()), this, SLOT(importAnimation()));
 
     d->closeAll = actionManager->createAction("file_close_all");
     connect(d->closeAll, SIGNAL(triggered()), this, SLOT(slotFileCloseAll()));
 
 //    d->reloadFile  = actionManager->createAction("file_reload_file");
 //    d->reloadFile->setActivationFlags(KisAction::CURRENT_IMAGE_MODIFIED);
 //    connect(d->reloadFile, SIGNAL(triggered(bool)), this, SLOT(slotReloadFile()));
 
     d->importFile  = actionManager->createAction("file_import_file");
     connect(d->importFile, SIGNAL(triggered(bool)), this, SLOT(slotImportFile()));
 
     d->exportFile  = actionManager->createAction("file_export_file");
     connect(d->exportFile, SIGNAL(triggered(bool)), this, SLOT(slotExportFile()));
 
     /* The following entry opens the document information dialog.  Since the action is named so it
         intends to show data this entry should not have a trailing ellipses (...).  */
     d->showDocumentInfo  = actionManager->createAction("file_documentinfo");
     connect(d->showDocumentInfo, SIGNAL(triggered(bool)), this, SLOT(slotDocumentInfo()));
 
 
     d->themeManager->setThemeMenuAction(new KActionMenu(i18nc("@action:inmenu", "&Themes"), this));
     d->themeManager->registerThemeActions(actionCollection());
     connect(d->themeManager, SIGNAL(signalThemeChanged()), this, SLOT(slotThemeChanged()));
 
 
     d->toggleDockers = actionManager->createAction("view_toggledockers");
     cfg.showDockers(true);
     d->toggleDockers->setChecked(true);
     connect(d->toggleDockers, SIGNAL(toggled(bool)), SLOT(toggleDockersVisibility(bool)));
 
     d->toggleDockerTitleBars = actionManager->createAction("view_toggledockertitlebars");
     d->toggleDockerTitleBars->setChecked(cfg.showDockerTitleBars());
     connect(d->toggleDockerTitleBars, SIGNAL(toggled(bool)), SLOT(showDockerTitleBars(bool)));
 
     actionCollection()->addAction("settings_dockers_menu", d->dockWidgetMenu);
     actionCollection()->addAction("window", d->windowMenu);
 
     d->mdiCascade = actionManager->createAction("windows_cascade");
     connect(d->mdiCascade, SIGNAL(triggered()), d->mdiArea, SLOT(cascadeSubWindows()));
 
     d->mdiTile = actionManager->createAction("windows_tile");
     connect(d->mdiTile, SIGNAL(triggered()), d->mdiArea, SLOT(tileSubWindows()));
 
     d->mdiNextWindow = actionManager->createAction("windows_next");
     connect(d->mdiNextWindow, SIGNAL(triggered()), d->mdiArea, SLOT(activateNextSubWindow()));
 
     d->mdiPreviousWindow = actionManager->createAction("windows_previous");
     connect(d->mdiPreviousWindow, SIGNAL(triggered()), d->mdiArea, SLOT(activatePreviousSubWindow()));
 
     d->newWindow = actionManager->createAction("view_newwindow");
     connect(d->newWindow, SIGNAL(triggered(bool)), this, SLOT(newWindow()));
 
     d->close = actionManager->createAction("file_close");
     connect(d->close, SIGNAL(triggered()), SLOT(closeCurrentWindow()));
 
     actionManager->createStandardAction(KStandardAction::Preferences, this, SLOT(slotPreferences()));
 
     for (int i = 0; i < 2; i++) {
         d->expandingSpacers[i] = new KisAction(i18n("Expanding Spacer"));
         d->expandingSpacers[i]->setDefaultWidget(new QWidget(this));
         d->expandingSpacers[i]->defaultWidget()->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
         actionManager->addAction(QString("expanding_spacer_%1").arg(i), d->expandingSpacers[i]);
     }
 }
 
 void KisMainWindow::applyToolBarLayout()
 {
     const bool isPlastiqueStyle = style()->objectName() == "plastique";
 
     Q_FOREACH (KToolBar *toolBar, toolBars()) {
         toolBar->layout()->setSpacing(4);
         if (isPlastiqueStyle) {
             toolBar->setContentsMargins(0, 0, 0, 2);
         }
         //Hide text for buttons with an icon in the toolbar
         Q_FOREACH (QAction *ac, toolBar->actions()){
             if (ac->icon().pixmap(QSize(1,1)).isNull() == false){
                 ac->setPriority(QAction::LowPriority);
             }else {
                 ac->setIcon(QIcon());
             }
         }
     }
 }
 
 void KisMainWindow::initializeGeometry()
 {
     // if the user didn's specify the geometry on the command line (does anyone do that still?),
     // we first figure out some good default size and restore the x,y position. See bug 285804Z.
     KConfigGroup cfg( KSharedConfig::openConfig(), "MainWindow");
     QByteArray geom = QByteArray::fromBase64(cfg.readEntry("ko_geometry", QByteArray()));
     if (!restoreGeometry(geom)) {
         const int scnum = QApplication::desktop()->screenNumber(parentWidget());
         QRect desk = QApplication::desktop()->availableGeometry(scnum);
         // if the desktop is virtual then use virtual screen size
         if (QApplication::desktop()->isVirtualDesktop()) {
             desk = QApplication::desktop()->availableGeometry(QApplication::desktop()->screen(scnum));
         }
 
         quint32 x = desk.x();
         quint32 y = desk.y();
         quint32 w = 0;
         quint32 h = 0;
 
         // Default size -- maximize on small screens, something useful on big screens
         const int deskWidth = desk.width();
         if (deskWidth > 1024) {
             // a nice width, and slightly less than total available
             // height to componensate for the window decs
             w = (deskWidth / 3) * 2;
             h = (desk.height() / 3) * 2;
         }
         else {
             w = desk.width();
             h = desk.height();
         }
 
         x += (desk.width() - w) / 2;
         y += (desk.height() - h) / 2;
 
         move(x,y);
         setGeometry(geometry().x(), geometry().y(), w, h);
     }
     restoreWorkspace(QByteArray::fromBase64(cfg.readEntry("ko_windowstate", QByteArray())));
 }
 
 void KisMainWindow::showManual()
 {
     QDesktopServices::openUrl(QUrl("https://docs.krita.org"));
 }
 
 void KisMainWindow::showDockerTitleBars(bool show)
 {
     Q_FOREACH (QDockWidget *dock, dockWidgets()) {
         if (dock->titleBarWidget()) {
             const bool isCollapsed = (dock->widget() && dock->widget()->isHidden()) || !dock->widget();
             dock->titleBarWidget()->setVisible(show || (dock->isFloating() && isCollapsed));
         }
     }
 
     KisConfig cfg;
     cfg.setShowDockerTitleBars(show);
 }
 
 void KisMainWindow::moveEvent(QMoveEvent *e)
 {
     if (qApp->desktop()->screenNumber(this) != qApp->desktop()->screenNumber(e->oldPos())) {
         KisConfigNotifier::instance()->notifyConfigChanged();
     }
 }
 
 
 
 #include <moc_KisMainWindow.cpp>
diff --git a/libs/ui/KisMainWindow.h b/libs/ui/KisMainWindow.h
index 91d00e86f5..fc034fb6ee 100644
--- a/libs/ui/KisMainWindow.h
+++ b/libs/ui/KisMainWindow.h
@@ -1,470 +1,471 @@
 /* This file is part of the KDE project
    Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
    Copyright (C) 2000-2004 David Faure <faure@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #ifndef KIS_MAIN_WINDOW_H
 #define KIS_MAIN_WINDOW_H
 
 #include "kritaui_export.h"
 
 #include <QPointer>
 #include <QPrinter>
 
 #include <xmlgui/kxmlguiwindow.h>
 #include <QUrl>
 #include <KoCanvasObserverBase.h>
 #include <KoCanvasSupervisor.h>
 
 #include "KisView.h"
 
 class QCloseEvent;
 class QMoveEvent;
 
 struct KoPageLayout;
 class KoCanvasResourceManager;
 
 class KisDocument;
 class KisPrintJob;
 class KoDockFactoryBase;
 class QDockWidget;
 class KisView;
 class KisViewManager;
 class KoCanvasController;
 
 
 /**
  * @brief Main window for Krita
  *
  * This class is used to represent a main window within a Krita session. Each
  * main window contains a menubar and some toolbars, and potentially several
  * views of several canvases.
  *
  */
 class KRITAUI_EXPORT KisMainWindow : public KXmlGuiWindow, public KoCanvasSupervisor
 {
     Q_OBJECT
 
 public:
     enum OpenFlag {
-        None,
-        Import,
-        BatchMode
+        None = 0,
+        Import = 0x1,
+        BatchMode = 0x2,
+        RecoveryFile = 0x4
     };
     Q_DECLARE_FLAGS(OpenFlags, OpenFlag)
 
 public:
 
     /**
      *  Constructor.
      *
      *  Initializes a Calligra main window (with its basic GUI etc.).
      */
     explicit KisMainWindow();
 
     /**
      *  Destructor.
      */
     virtual ~KisMainWindow();
 
     /**
      * Update caption from document info - call when document info
      * (title in the about page) changes.
      */
     void updateCaption();
 
 
     // If noCleanup is set, KisMainWindow will not delete the root document
     // or part manager on destruction.
     void setNoCleanup(bool noCleanup);
 
     /**
      * @brief showView shows the given view. Override this if you want to show
      * the view in a different way than by making it the central widget, for instance
      * as an QMdiSubWindow
      */
     virtual void showView(KisView *view);
 
     /**
      * @returns the currently active view
      */
     KisView *activeView() const;
 
     /**
      * Sets the maximum number of recent documents entries.
      */
     void setMaxRecentItems(uint _number);
 
     /**
      * The document opened a URL -> store into recent documents list.
      */
     void addRecentURL(const QUrl &url);
 
     /**
      * Load the desired document and show it.
      * @param url the URL to open
      *
      * @return TRUE on success.
      */
     bool openDocument(const QUrl &url, OpenFlags flags);
 
     /**
      * Saves the document, asking for a filename if necessary.
      *
      * @param saveas if set to TRUE the user is always prompted for a filename
      * @param silent if set to TRUE rootDocument()->setTitleModified will not be called.
      *
      * @return TRUE on success, false on error or cancel
      *         (don't display anything in this case, the error dialog box is also implemented here
      *         but restore the original URL in slotFileSaveAs)
      */
     bool saveDocument(KisDocument *document, bool saveas, bool isExporting);
 
 
     void setReadWrite(bool readwrite);
 
 
     /// Return the list of dock widgets belonging to this main window.
     QList<QDockWidget*> dockWidgets() const;
 
     QDockWidget* dockWidget(const QString &id);
 
     QList<KoCanvasObserverBase*> canvasObservers() const;
 
     KoCanvasResourceManager *resourceManager() const;
 
     int viewCount() const;
 
     /**
      * A wrapper around restoreState
      * @param state the saved state
      * @return TRUE on success
      */
     bool restoreWorkspace(const QByteArray &state);
 
     KisViewManager *viewManager() const;
 
     void addViewAndNotifyLoadingCompleted(KisDocument *document);
 
     QStringList showOpenFileDialog(bool isImporting);
 
     /**
      * Shows if the main window is saving anything right now. If the
      * user presses Ctrl+W too fast, then the document can be close
      * before the saving is completed. I'm not sure if it is fixable
      * in any way without avoiding using porcessEvents()
      * everywhere (DK)
      *
      * Don't use it unless you have no option.
      */
     bool hackIsSaving() const;
 
 Q_SIGNALS:
 
     /**
      * This signal is emitted if the document has been saved successfully.
      */
     void documentSaved();
 
     /// This signal is emitted when this windows has finished loading of a
     /// document. The document may be opened in another window in the end.
     /// In this case, the signal means there is no link between the window
     /// and the document anymore.
     void loadCompleted();
 
     /// This signal is emitted right after the docker states have been succefully restored from config
     void restoringDone();
 
     /// This signal is emitted when the color theme changes
     void themeChanged();
 
     /// This signal is emitted when the shortcut key configuration has changed
     void keyBindingsChanged();
 
     void guiLoadingFinished();
 
     /// This signal is emitted when the user clicked on the progressbar cancel
     void sigProgressCanceled();
 
 public Q_SLOTS:
 
     /**
      *  Slot for opening a new document.
      *
      *  If the current document is empty, the new document replaces it.
      *  If not, a new mainwindow will be opened for showing the document.
      */
     void slotFileNew();
 
     /**
      *  Slot for opening a saved file.
      *
      *  If the current document is empty, the opened document replaces it.
      *  If not a new mainwindow will be opened for showing the opened file.
      */
     void slotFileOpen(bool isImporting = false);
 
     /**
      *  Slot for opening a file among the recently opened files.
      *
      *  If the current document is empty, the opened document replaces it.
      *  If not a new mainwindow will be opened for showing the opened file.
      */
     void slotFileOpenRecent(const QUrl &);
 
     /**
      * @brief slotPreferences open the preferences dialog
      */
     void slotPreferences();
 
     /**
      *  Saves the current document with the current name.
      */
     void slotFileSave();
 
     // XXX: disabled
     KisPrintJob* exportToPdf(QString pdfFileName = QString());
 
     void slotProgress(int value);
 
     /**
      * Update the option widgets to the argument ones, removing the currently set widgets.
      */
     void newOptionWidgets(KoCanvasController *controller, const QList<QPointer<QWidget> > & optionWidgetList);
 
 
 private Q_SLOTS:
     /**
      * Save the list of recent files.
      */
     void saveRecentFiles();
 
     void slotLoadCompleted();
     void slotLoadCanceled(const QString &);
     void slotSaveCompleted();
     void slotSaveCanceled(const QString &);
     void forceDockTabFonts();
 
     void slotProgressCanceled();
 
     /**
      * @internal
      */
     void slotDocumentTitleModified(const QString &caption, bool mod);
 
     /**
      *  Prints the actual document.
      */
     void slotFilePrint();
 
     /**
      *  Saves the current document with a new name.
      */
     void slotFileSaveAs();
 
     void slotFilePrintPreview();
 
     void importAnimation();
 
     /**
      * Show a dialog with author and document information.
      */
     void slotDocumentInfo();
 
     /**
      * Closes all open documents.
      */
     bool slotFileCloseAll();
 
     /**
      * @brief showAboutApplication show the about box
      */
     virtual void showAboutApplication();
 
     /**
      *  Closes the mainwindow.
      */
     void slotFileQuit();
 
     /**
      *  Configure toolbars.
      */
     void slotConfigureToolbars();
 
     /**
      *  Post toolbar config.
      * (Plug action lists back in, etc.)
      */
     void slotNewToolbarConfig();
 
     /**
      *  Shows or hides a toolbar
      */
     void slotToolbarToggled(bool toggle);
 
     /**
      * Toggle full screen on/off.
      */
     void viewFullscreen(bool fullScreen);
 
     /**
      * Toggle docker titlebars on/off.
      */
     void showDockerTitleBars(bool show);
 
     /**
      * Reload file
      */
     void slotReloadFile();
 
     /**
      * File --> Import
      *
      * This will call slotFileOpen().
      */
     void slotImportFile();
 
     /**
      * File --> Export
      *
      * This will call slotFileSaveAs().
      */
     void slotExportFile();
 
     /**
      * Hide the dockers
      */
     void toggleDockersVisibility(bool visible);
 
     /**
      * Handle theme changes from theme manager
      */
     void slotThemeChanged();
 
     void undo();
     void redo();
     void updateWindowMenu();
     void setActiveSubWindow(QWidget *window);
     void configChanged();
     void newView(QObject *document);
     void newWindow();
     void closeCurrentWindow();
     void checkSanity();
     /// Quits Krita with error message from m_errorMessage.
     void showErrorAndDie();
 
 protected:
 
     void closeEvent(QCloseEvent * e);
     void resizeEvent(QResizeEvent * e);
 
     // QWidget overrides
     virtual void dragEnterEvent(QDragEnterEvent * event);
     virtual void dropEvent(QDropEvent * event);
     virtual void dragMoveEvent(QDragMoveEvent * event);
     virtual void dragLeaveEvent(QDragLeaveEvent * event);
 
     void setToolbarList(QList<QAction*> toolbarList);
 
 
 public Q_SLOTS:
 
     /**
      * Add a the given view to the list of views of this mainwindow.
      * This is a private implementation. For public usage please use
      * newView() and addViewAndNotifyLoadingCompleted().
      */
     void addView(KisView *view);
 
     /// Set the active view, this will update the undo/redo actions
     void setActiveView(KisView *view);
 
     void subWindowActivated();
 
 
 private:
 
     friend class KisApplication;
 
 
     /**
      * Returns the dockwidget specified by the @p factory. If the dock widget doesn't exist yet it's created.
      * Add a "view_palette_action_menu" action to your view menu if you want to use closable dock widgets.
      * @param factory the factory used to create the dock widget if needed
      * @return the dock widget specified by @p factory (may be 0)
      */
     QDockWidget* createDockWidget(KoDockFactoryBase* factory);
 
     bool openDocumentInternal(const QUrl &url, KisMainWindow::OpenFlags flags = 0);
 
     /**
      * Reloads the recent documents list.
      */
     void reloadRecentFileList();
 
     /**
      * Updates the window caption based on the document info and path.
      */
     void updateCaption(const QString & caption, bool mod);
     void updateReloadFileAction(KisDocument *doc);
 
     void saveWindowSettings();
 
     QPointer<KisView>activeKisView();
 
     void applyDefaultSettings(QPrinter &printer);
 
     void createActions();
 
     void applyToolBarLayout();
 
 protected:
 
     void moveEvent(QMoveEvent *e);
 
 private Q_SLOTS:
     void initializeGeometry();
     void showManual();
     void switchTab(int index);
 
 private:
 
 
     /**
      * Struct used in the list created by createCustomDocumentWidgets()
      */
     struct CustomDocumentWidgetItem {
         /// Pointer to the custom document widget
         QWidget *widget;
         /// title used in the sidebar. If left empty it will be displayed as "Custom Document"
         QString title;
         /// icon used in the sidebar. If left empty it will use the unknown icon
         QString icon;
     };
 
     class Private;
     Private * const d;
 
     QString m_errorMessage;
     bool m_dieOnError;
 
 };
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(KisMainWindow::OpenFlags)
 
 #endif
diff --git a/libs/ui/kis_animation_importer.cpp b/libs/ui/kis_animation_importer.cpp
index dad3afda2f..db7257170e 100644
--- a/libs/ui/kis_animation_importer.cpp
+++ b/libs/ui/kis_animation_importer.cpp
@@ -1,129 +1,129 @@
 /*
  *  Copyright (c) 2015 Jouni Pentikäinen <joupent@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_animation_importer.h"
 
 #include <QStatusBar>
 
 #include "KoColorSpace.h"
 #include "KisPart.h"
 #include "KisDocument.h"
 #include "kis_image.h"
 #include "kis_undo_adapter.h"
 #include "kis_paint_layer.h"
 #include "kis_group_layer.h"
 #include "kis_raster_keyframe_channel.h"
 #include "commands/kis_image_layer_add_command.h"
 
 struct KisAnimationImporter::Private
 {
     KisImageSP image;
     KisDocument *document;
     bool stop;
 };
 
 KisAnimationImporter::KisAnimationImporter(KisImageSP image)
     : m_d(new Private())
 {
     m_d->document= 0;
     m_d->image = image;
     m_d->stop = false;
 }
 
 KisAnimationImporter::KisAnimationImporter(KisDocument* document)
     : m_d(new Private())
 {
     m_d->document= document;
     m_d->image = document->image();
     m_d->stop = false;
 }
 
 KisAnimationImporter::~KisAnimationImporter()
 {}
 
 KisImportExportFilter::ConversionStatus KisAnimationImporter::import(QStringList files, int firstFrame, int step)
 {
     Q_ASSERT(step > 0);
 
     bool batchMode;
 
     if (m_d->document) {
         batchMode= m_d->document->fileBatchMode();
 
         if (!batchMode) {
             emit m_d->document->statusBarMessage(i18n("Import frames"));
             emit m_d->document->sigProgress(0);
             connect(m_d->document, SIGNAL(sigProgressCanceled()), this, SLOT(cancel()));
         }
     } else batchMode = false;
 
     m_d->image->lock();
     KisUndoAdapter *undo = m_d->image->undoAdapter();
     undo->beginMacro(kundo2_i18n("Import animation"));
 
     QScopedPointer<KisDocument> importDoc(KisPart::instance()->createDocument());
     importDoc->setFileBatchMode(true);
 
     KisImportExportFilter::ConversionStatus status = KisImportExportFilter::OK;
     int frame = firstFrame;
 
     KisRasterKeyframeChannel *contentChannel = 0;
 
     Q_FOREACH(QString file, files) {
-        bool successfullyLoaded = importDoc->openUrl(QUrl::fromLocalFile(file), KisDocument::OPEN_URL_FLAG_DO_NOT_ADD_TO_RECENT_FILES);
+        bool successfullyLoaded = importDoc->openUrl(QUrl::fromLocalFile(file), KisDocument::DontAddToRecent);
         if (!successfullyLoaded) {
             status = KisImportExportFilter::InternalError;
             break;
         }
 
         if (m_d->stop) {
             status = KisImportExportFilter::ProgressCancelled;
             break;
         }
 
         if (frame == firstFrame) {
             const KoColorSpace *cs = importDoc->image()->colorSpace();
             KisPaintLayerSP paintLayer = new KisPaintLayer(m_d->image, m_d->image->nextLayerName(), OPACITY_OPAQUE_U8, cs);
             undo->addCommand(new KisImageLayerAddCommand(m_d->image, paintLayer, m_d->image->rootLayer(), m_d->image->rootLayer()->childCount()));
 
             paintLayer->enableAnimation();
             contentChannel = qobject_cast<KisRasterKeyframeChannel*>(paintLayer->getKeyframeChannel(KisKeyframeChannel::Content.id(), true));
         }
 
         if (!batchMode) {
             emit m_d->document->sigProgress((frame - firstFrame) * 100 / (step * files.size()));
         }
         contentChannel->importFrame(frame, importDoc->image()->projection(), NULL);
         frame += step;
     }
 
     if (!batchMode) {
         disconnect(m_d->document, SIGNAL(sigProgressCanceled()), this, SLOT(cancel()));
         emit m_d->document->sigProgress(100);
         emit m_d->document->clearStatusBarMessage();
     }
     undo->endMacro();
     m_d->image->unlock();
 
     return status;
 }
 
 void KisAnimationImporter::cancel()
 {
     m_d->stop = true;
 }
diff --git a/libs/ui/kis_safe_document_loader.cpp b/libs/ui/kis_safe_document_loader.cpp
index 335178de4e..eb2f6cccaa 100644
--- a/libs/ui/kis_safe_document_loader.cpp
+++ b/libs/ui/kis_safe_document_loader.cpp
@@ -1,182 +1,182 @@
 /*
  *  Copyright (c) 2013 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_safe_document_loader.h"
 
 #include <QTimer>
 #include <QFileSystemWatcher>
 #include <QApplication>
 #include <QFileInfo>
 #include <QDir>
 #include <QUrl>
 
 #include "KisDocument.h"
 #include "kis_image.h"
 #include "kis_signal_compressor.h"
 #include "KisPart.h"
 
 Q_GLOBAL_STATIC(QFileSystemWatcher, s_fileSystemWatcher)
 
 struct KisSafeDocumentLoader::Private
 {
     Private()
         : fileChangedSignalCompressor(500 /* ms */, KisSignalCompressor::POSTPONE),
           isLoading(false),
           fileChangedFlag(false)
     {
     }
 
     QScopedPointer<KisDocument>  doc;
     KisSignalCompressor fileChangedSignalCompressor;
     QTimer delayedLoadTimer;
     bool isLoading {true};
     bool fileChangedFlag {false};
     QString path;
     QString temporaryPath;
 
     qint64 initialFileSize;
     QDateTime initialFileTimeStamp;
 };
 
 KisSafeDocumentLoader::KisSafeDocumentLoader(const QString &path, QObject *parent)
     : QObject(parent),
       m_d(new Private())
 {
     connect(s_fileSystemWatcher, SIGNAL(fileChanged(QString)),
             SLOT(fileChanged(QString)));
 
     connect(s_fileSystemWatcher, SIGNAL(fileChanged(QString)),
             &m_d->fileChangedSignalCompressor, SLOT(start()));
 
     connect(&m_d->fileChangedSignalCompressor, SIGNAL(timeout()),
             SLOT(fileChangedCompressed()));
 
     connect(&m_d->delayedLoadTimer, SIGNAL(timeout()),
             SLOT(delayedLoadStart()));
 
     m_d->delayedLoadTimer.setSingleShot(true);
     m_d->delayedLoadTimer.setInterval(100 /* ms */);
 
     setPath(path);
 }
 
 KisSafeDocumentLoader::~KisSafeDocumentLoader()
 {
     s_fileSystemWatcher->removePath(m_d->path);
     delete m_d;
 }
 
 void KisSafeDocumentLoader::setPath(const QString &path)
 {
     if (path.isEmpty()) return;
 
     if (!m_d->path.isEmpty()) {
         s_fileSystemWatcher->removePath(m_d->path);
     }
 
     m_d->path = path;
     s_fileSystemWatcher->addPath(m_d->path);
 }
 
 void KisSafeDocumentLoader::reloadImage()
 {
     fileChangedCompressed(true);
 }
 
 void KisSafeDocumentLoader::fileChanged(QString path)
 {
     if (path == m_d->path) {
         m_d->fileChangedFlag = true;
     }
 }
 
 void KisSafeDocumentLoader::fileChangedCompressed(bool sync)
 {
     if (m_d->isLoading) return;
 
     QFileInfo initialFileInfo(m_d->path);
     m_d->initialFileSize = initialFileInfo.size();
     m_d->initialFileTimeStamp = initialFileInfo.lastModified();
 
     // it may happen when the file is flushed by
     // so other application
     if (!m_d->initialFileSize) return;
 
     m_d->isLoading = true;
     m_d->fileChangedFlag = false;
 
     m_d->temporaryPath =
         QDir::tempPath() + QDir::separator() +
         QString("krita_file_layer_copy_%1_%2.%3")
         .arg(QApplication::applicationPid())
         .arg(qrand())
         .arg(initialFileInfo.suffix());
 
     QFile::copy(m_d->path, m_d->temporaryPath);
 
 
     if (!sync) {
         m_d->delayedLoadTimer.start();
     } else {
         QApplication::processEvents();
         delayedLoadStart();
     }
 }
 
 void KisSafeDocumentLoader::delayedLoadStart()
 {
     QFileInfo originalInfo(m_d->path);
     QFileInfo tempInfo(m_d->temporaryPath);
     bool successfullyLoaded = false;
 
     if (!m_d->fileChangedFlag &&
         originalInfo.size() == m_d->initialFileSize &&
         originalInfo.lastModified() == m_d->initialFileTimeStamp &&
         tempInfo.size() == m_d->initialFileSize) {
 
         m_d->doc.reset(KisPart::instance()->createDocument());
         successfullyLoaded = m_d->doc->openUrl(QUrl::fromLocalFile(m_d->temporaryPath),
-                                               KisDocument::OPEN_URL_FLAG_DO_NOT_ADD_TO_RECENT_FILES);
+                                               KisDocument::DontAddToRecent);
     } else {
         dbgKrita << "File was modified externally. Restarting.";
         dbgKrita << ppVar(m_d->fileChangedFlag);
         dbgKrita << ppVar(m_d->initialFileSize);
         dbgKrita << ppVar(m_d->initialFileTimeStamp);
         dbgKrita << ppVar(originalInfo.size());
         dbgKrita << ppVar(originalInfo.lastModified());
         dbgKrita << ppVar(tempInfo.size());
     }
 
     QFile::remove(m_d->temporaryPath);
     m_d->isLoading = false;
 
     if (!successfullyLoaded) {
         // Restart the attempt
         m_d->fileChangedSignalCompressor.start();
     }
     else {
         KisPaintDeviceSP paintDevice = new KisPaintDevice(m_d->doc->image()->colorSpace());
         KisPaintDeviceSP projection = m_d->doc->image()->projection();
         paintDevice->makeCloneFrom(projection, projection->extent());
         emit loadingFinished(paintDevice, m_d->doc->image()->xRes(), m_d->doc->image()->yRes());
     }
 
     m_d->doc.reset();
 }
 
 
diff --git a/plugins/impex/csv/csv_loader.cpp b/plugins/impex/csv/csv_loader.cpp
index 4cc3f017a9..caac11481d 100644
--- a/plugins/impex/csv/csv_loader.cpp
+++ b/plugins/impex/csv/csv_loader.cpp
@@ -1,486 +1,486 @@
 /*
  *  Copyright (c) 2016 Laszlo Fazekas <mneko@freemail.hu>
  *
  *  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 "csv_loader.h"
 
 #include <QDebug>
 #include <QApplication>
 
 #include <QFile>
 #include <QVector>
 #include <QIODevice>
 #include <QStatusBar>
 #include <QFileInfo>
 
 #include <KisPart.h>
 #include <KisView.h>
 #include <KisDocument.h>
 #include <KoColorSpace.h>
 #include <KoColorSpaceRegistry.h>
 #include <KoColorModelStandardIds.h>
 
 #include <kis_debug.h>
 #include <kis_image.h>
 #include <kis_paint_layer.h>
 #include <kis_raster_keyframe_channel.h>
 #include <kis_image_animation_interface.h>
 #include <kis_time_range.h>
 
 #include "csv_read_line.h"
 #include "csv_layer_record.h"
 
 CSVLoader::CSVLoader(KisDocument *doc, bool batchMode)
     : m_image(0)
     , m_doc(doc)
     , m_batchMode(batchMode)
     , m_stop(false)
 {
 }
 
 CSVLoader::~CSVLoader()
 {
 }
 
 KisImageBuilder_Result CSVLoader::decode(QIODevice *io, const QString &filename)
 {
     QString     field;
     int         idx;
     int         frame = 0;
 
     QString     projName;
     int         width = 0;
     int         height = 0;
     int         frameCount = 1;
     float       framerate = 24.0;
     float       pixelRatio = 1.0;
 
     int         projNameIdx = -1;
     int         widthIdx = -1;
     int         heightIdx = -1;
     int         frameCountIdx = -1;
     int         framerateIdx = -1;
     int         pixelRatioIdx = -1;
 
     QVector<CSVLayerRecord*> layers;
 
     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 
     idx = filename.lastIndexOf(QRegExp("[\\/]"));
     QString base = (idx == -1) ? QString() : filename.left(idx + 1); //include separator
     QString path = filename;
 
     if (path.right(4).toUpper() == ".CSV")
         path = path.left(path.size() - 4);
 
     //according to the QT docs, the slash is a universal directory separator
     path.append(".frames/");
 
     KisImageBuilder_Result retval = KisImageBuilder_RESULT_OK;
 
     dbgFile << "pos:" << io->pos();
 
     CSVReadLine readLine;
     QScopedPointer<KisDocument> importDoc(KisPart::instance()->createDocument());
     importDoc->setAutoSaveDelay(0);
     importDoc->setFileBatchMode(true);
 
     KisView *setView(0);
 
     if (!m_batchMode) {
         //show the statusbar message even if no view
         Q_FOREACH (KisView* view, KisPart::instance()->views()) {
             if (view && view->document() == m_doc) {
                 setView = view;
                 break;
             }
         }
 
         if (!setView) {
             QStatusBar *sb = KisPart::instance()->currentMainwindow()->statusBar();
             if (sb) {
                 sb->showMessage(i18n("Loading CSV file..."));
             }
         } else {
             emit m_doc->statusBarMessage(i18n("Loading CSV file..."));
         }
         emit m_doc->sigProgress(0);
         connect(m_doc, SIGNAL(sigProgressCanceled()), this, SLOT(cancel()));
     }
     int step = 0;
 
     do {
         qApp->processEvents();
 
         if (m_stop) {
             retval = KisImageBuilder_RESULT_CANCEL;
             break;
         }
 
         if ((idx = readLine.nextLine(io)) <= 0) {
             if ((idx < 0) ||(step < 5))
                 retval = KisImageBuilder_RESULT_FAILURE;
 
             break;
         }
         field = readLine.nextField(); //first field of the line
 
         if (field.isNull()) continue; //empty row
 
         switch (step) {
 
         case 0 :    //skip first row
             step = 1;
             break;
 
         case 1 :    //scene header names
             step = 2;
 
             for (idx = 0; !field.isNull(); idx++) {
                 if (field == "Project Name") {
                     projNameIdx = idx;
 
                 } else if (field == "Width") {
                     widthIdx = idx;
 
                 } else if (field == "Height") {
                     heightIdx = idx;
 
                 } else if (field == "Frame Count") {
                     frameCountIdx = idx;
 
                 } else if (field == "Frame Rate") {
                     framerateIdx = idx;
 
                 } else if (field == "Pixel Aspect Ratio") {
                     pixelRatioIdx = idx;
                 }
                 field= readLine.nextField();
             }
             break;
 
         case 2 :    //scene header values
             step= 3;
 
             for (idx= 0; !field.isNull(); idx++) {
                 if (idx == projNameIdx) {
                     projName = field;
 
                 } else if (idx == widthIdx) {
                     width = field.toInt();
 
                 } else if (idx == heightIdx) {
                     height = field.toInt();
 
                 } else if (idx == frameCountIdx) {
                     frameCount = field.toInt();
 
                     if (frameCount < 1) frameCount= 1;
 
                 } else if (idx == framerateIdx) {
                     framerate = field.toFloat();
 
                 } else if (idx == pixelRatioIdx) {
                     pixelRatio = field.toFloat();
 
                 }
                 field= readLine.nextField();
             }
 
             if ((width < 1) || (height < 1)) {
                retval = KisImageBuilder_RESULT_FAILURE;
                break;
             }
 
             retval = createNewImage(width, height, pixelRatio, projName.isNull() ? filename : projName);
             break;
 
         case 3 :    //create level headers
             if (field[0] != '#') break;
 
             for (; !(field = readLine.nextField()).isNull(); ) {
                 CSVLayerRecord* layerRecord = new CSVLayerRecord();
                 layers.append(layerRecord);
             }
             readLine.rewind();
             field = readLine.nextField();
             step = 4;
             //no break!
 
         case 4 :    //level header
 
             if (field == "#Layers") {
                 //layer name
                 for (idx = 0; !(field = readLine.nextField()).isNull() && (idx < layers.size()); idx++)
                     layers.at(idx)->name = field;
 
                 break;
             }
             if (field == "#Density") {
                 //layer opacity
                 for (idx = 0; !(field = readLine.nextField()).isNull() && (idx < layers.size()); idx++)
                     layers.at(idx)->density = field.toFloat();
 
                 break;
             }
             if (field == "#Blending") {
                 //layer blending mode
                 for (idx = 0; !(field = readLine.nextField()).isNull() && (idx < layers.size()); idx++)
                     layers.at(idx)->blending = field;
 
                 break;
             }
             if (field == "#Visible") {
                 //layer visibility
                 for (idx = 0; !(field = readLine.nextField()).isNull() && (idx < layers.size()); idx++)
                     layers.at(idx)->visible = field.toInt();
 
                 break;
             }
             if (field == "#Folder") {
                 //CSV 1.1 folder location
                 for (idx = 0; !(field = readLine.nextField()).isNull() && (idx < layers.size()); idx++)
                     layers.at(idx)->path = validPath(field, base);
 
                 break;
             }
             if ((field.size() < 2) || (field[0] != '#') || !field[1].isDigit()) break;
 
             step = 5;
 
             //no break!
 
         case 5 :    //frames
 
             if ((field.size() < 2) || (field[0] != '#') || !field[1].isDigit()) break;
 
             for (idx = 0; !(field = readLine.nextField()).isNull() && (idx < layers.size()); idx++) {
                 CSVLayerRecord* layer = layers.at(idx);
 
                 if (layer->last != field) {
                     if (!m_batchMode) {
                         emit m_doc->sigProgress((frame * layers.size() + idx) * 100 /
                                                 (frameCount * layers.size()));
                     }
                     retval = setLayer(layer, importDoc.data(), path);
                     layer->last = field;
                     layer->frame = frame;
                 }
             }
             frame++;
             break;
         }
     } while (retval == KisImageBuilder_RESULT_OK);
 
     //finish the layers
 
     if (retval == KisImageBuilder_RESULT_OK) {
         if (m_image) {
             KisImageAnimationInterface *animation = m_image->animationInterface();
 
             if (frame > frameCount)
                 frameCount = frame;
 
             animation->setFullClipRange(KisTimeRange::fromTime(0,frameCount - 1));
             animation->setFramerate((int)framerate);
         }
 
         for (idx = 0; idx < layers.size(); idx++) {
             CSVLayerRecord* layer = layers.at(idx);
             //empty layers without any pictures are dropped
 
             if ((layer->frame > 0) || !layer->last.isEmpty()) {
                 retval = setLayer(layer, importDoc.data(), path);
 
                 if (retval != KisImageBuilder_RESULT_OK)
                     break;
             }
         }
     }
 
     if (m_image) {
         //insert the existing layers by the right order
         for (idx = layers.size() - 1; idx >= 0; idx--) {
             CSVLayerRecord* layer = layers.at(idx);
 
             if (layer->layer) {
                 m_image->addNode(layer->layer, m_image->root());
             }
         }
         m_image->unlock();
     }
     qDeleteAll(layers);
     io->close();
 
     if (!m_batchMode) {
         disconnect(m_doc, SIGNAL(sigProgressCanceled()), this, SLOT(cancel()));
         emit m_doc->sigProgress(100);
 
         if (!setView) {
             QStatusBar *sb = KisPart::instance()->currentMainwindow()->statusBar();
             if (sb) {
                 sb->clearMessage();
             }
         } else {
             emit m_doc->clearStatusBarMessage();
         }
     }
     QApplication::restoreOverrideCursor();
     return retval;
 }
 
 QString CSVLoader::convertBlending(const QString &blending)
 {
     if (blending == "Color") return COMPOSITE_OVER;
     if (blending == "Behind") return COMPOSITE_BEHIND;
     if (blending == "Erase") return COMPOSITE_ERASE;
     // "Shade"
     if (blending == "Light") return COMPOSITE_LINEAR_LIGHT;
     if (blending == "Colorize") return COMPOSITE_COLORIZE;
     if (blending == "Hue") return COMPOSITE_HUE;
     if (blending == "Add") return COMPOSITE_ADD;
     if (blending == "Sub") return COMPOSITE_INVERSE_SUBTRACT;
     if (blending == "Multiply") return COMPOSITE_MULT;
     if (blending == "Screen") return COMPOSITE_SCREEN;
     // "Replace"
     // "Subtitute"
     if (blending == "Difference") return COMPOSITE_DIFF;
     if (blending == "Divide") return COMPOSITE_DIVIDE;
     if (blending == "Overlay") return COMPOSITE_OVERLAY;
     if (blending == "Light2") return COMPOSITE_DODGE;
     if (blending == "Shade2") return COMPOSITE_BURN;
     if (blending == "HardLight") return COMPOSITE_HARD_LIGHT;
     if (blending == "SoftLight") return COMPOSITE_SOFT_LIGHT_PHOTOSHOP;
     if (blending == "GrainExtract") return COMPOSITE_GRAIN_EXTRACT;
     if (blending == "GrainMerge") return COMPOSITE_GRAIN_MERGE;
     if (blending == "Sub2") return COMPOSITE_SUBTRACT;
     if (blending == "Darken") return COMPOSITE_DARKEN;
     if (blending == "Lighten") return COMPOSITE_LIGHTEN;
     if (blending == "Saturation") return COMPOSITE_SATURATION;
 
     return COMPOSITE_OVER;
 }
 
 QString CSVLoader::validPath(const QString &path,const QString &base)
 {
     //replace Windows directory separators with the universal /
 
     QString tryPath= QString(path).replace(QString("\\"), QString("/"));
     int i = tryPath.lastIndexOf("/");
 
     if (i == (tryPath.size() - 1))
         tryPath= tryPath.left(i); //remove the ending separator if exists
 
     if (QFileInfo(tryPath).isDir())
         return tryPath.append("/");
 
     QString scan(tryPath);
     i = -1;
 
     while ((i= (scan.lastIndexOf("/",i) - 1)) > 0) {
         //avoid testing if the next level will be the default xxxx.layers folder
 
         if ((i >= 6) && (scan.mid(i - 6, 7) == ".layers")) continue;
 
         tryPath= QString(base).append(scan.mid(i + 2)); //base already ending with a /
 
         if (QFileInfo(tryPath).isDir())
             return tryPath.append("/");
     }
     return QString(); //NULL string
 }
 
 KisImageBuilder_Result CSVLoader::setLayer(CSVLayerRecord* layer, KisDocument *importDoc, const QString &path)
 {
     bool result = true;
 
     if (layer->channel == 0) {
         //create a new document layer
 
         float opacity = layer->density;
 
         if (opacity > 1.0)
             opacity = 1.0;
         else if (opacity < 0.0)
             opacity = 0.0;
 
         const KoColorSpace* cs = m_image->colorSpace();
         const QString layerName = (layer->name).isEmpty() ? m_image->nextLayerName() : layer->name;
 
         KisPaintLayer* paintLayer = new KisPaintLayer(m_image, layerName,
                                                        (quint8)(opacity * OPACITY_OPAQUE_U8), cs);
 
         paintLayer->setCompositeOpId(convertBlending(layer->blending));
         paintLayer->setVisible(layer->visible);
         paintLayer->enableAnimation();
 
         layer->layer = paintLayer;
         layer->channel = qobject_cast<KisRasterKeyframeChannel*>
             (paintLayer->getKeyframeChannel(KisKeyframeChannel::Content.id(), true));
     }
 
 
     if (!layer->last.isEmpty()) {
         //png image
         QString filename = layer->path.isNull() ? path : layer->path;
         filename.append(layer->last);
 
         result = importDoc->openUrl(QUrl::fromLocalFile(filename),
-                                    KisDocument::OPEN_URL_FLAG_DO_NOT_ADD_TO_RECENT_FILES);
+                                    KisDocument::DontAddToRecent);
         if (result)
             layer->channel->importFrame(layer->frame, importDoc->image()->projection(), 0);
 
     } else {
         //blank
         layer->channel->addKeyframe(layer->frame);
     }
     return (result) ? KisImageBuilder_RESULT_OK : KisImageBuilder_RESULT_FAILURE;
 }
 
 KisImageBuilder_Result CSVLoader::createNewImage(int width, int height, float ratio, const QString &name)
 {
     //the CSV is RGBA 8bits, sRGB
 
     if (!m_image) {
         const KoColorSpace* cs = KoColorSpaceRegistry::instance()->colorSpace(
                                 RGBAColorModelID.id(), Integer8BitsColorDepthID.id(), 0);
 
         if (cs) m_image = new KisImage(m_doc->createUndoStore(), width, height, cs, name);
 
         if (!m_image) return KisImageBuilder_RESULT_FAILURE;
 
         m_image->setResolution(ratio, 1.0);
         m_image->lock();
     }
     return KisImageBuilder_RESULT_OK;
 }
 
 KisImageBuilder_Result CSVLoader::buildAnimation(QIODevice *io, const QString &filename)
 {
     return decode(io, filename);
 }
 
 KisImageSP CSVLoader::image()
 {
     return m_image;
 }
 
 void CSVLoader::cancel()
 {
     m_stop = true;
 }