SANKORE-186: Sankore hotkey Alt+F4 doesn't remove sankore from active processes

src/core/UBApplication.cpp

@@ -233,7 +233,8 @@ int UBApplication::exec(const QString& pFileToImport)
     connect(mainWindow->actionWeb, SIGNAL(triggered()), this, SLOT(showInternet()));
     connect(mainWindow->actionDocument, SIGNAL(triggered()), this, SLOT(showDocument()));
     connect(mainWindow->actionQuit, SIGNAL(triggered()), this, SLOT(closing()));
-
+    connect(mainWindow, SIGNAL(closeEvent_Signal(QCloseEvent*)), this, SLOT(closeEvent(QCloseEvent*)));
+     
     boardController = new UBBoardController(mainWindow);
     boardController->init();
 
@@ -379,6 +380,13 @@ void UBApplication::toolBarDisplayTextChanged(QVariant display)
 }
 
 
+void UBApplication::closeEvent(QCloseEvent *event)
+{
+    Q_UNUSED(event);
+
+    closing();
+}
+
 void UBApplication::closing()
 {
 

src/core/UBApplication.h

@@ -99,6 +99,8 @@ class UBApplication : public QtSingleApplication
         void toolBarPositionChanged(QVariant topOrBottom);
         void toolBarDisplayTextChanged(QVariant display);
 
+        void closeEvent(QCloseEvent *event);
+
         /**
          * Used on Windows platform to open file in running application. On MacOS X opening file is done through the
          * FileOpen event that is handle in eventFilter method.

src/domain/UBGraphicsScene.cpp

@@ -238,7 +238,7 @@ bool UBGraphicsScene::inputDevicePress(const QPointF& scenePos, const qreal& pre
         }
         else if (currentTool == UBStylusTool::Magnifier)
         {
-            CreateMagnifierQWidgets(QCursor::pos() /*scenePos*/);
+            CreateMagnifierQWidgets();
             magniferControlViewWidget->grabNMove(QCursor::pos(), true);
             magniferDisplayViewWidget->grabNMove(scenePos, true);
             magniferControlViewWidget->show();
@@ -424,7 +424,7 @@ void UBGraphicsScene::drawPointer(const QPointF &pPoint)
 }
 
 // call this function when user press mouse button in Magnifier mode
-void UBGraphicsScene::CreateMagnifierQWidgets(const QPoint & globalPos)
+void UBGraphicsScene::CreateMagnifierQWidgets()
 {
     UBApplication::app()->setOverrideCursor( QCursor( Qt::BlankCursor ) );
 

src/domain/UBGraphicsScene.h

@@ -289,7 +289,7 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
 
         void drawEraser(const QPointF& pEndPoint);
         void drawPointer(const QPointF& pEndPoint);
-        void CreateMagnifierQWidgets(const QPoint &point);
+        void CreateMagnifierQWidgets();
         void DisposeMagnifierQWidgets();
 
 

src/gui/UBMainWindow.cpp

@@ -40,6 +40,7 @@ UBMainWindow::UBMainWindow(QWidget *parent, Qt::WindowFlags flags)
     actionQuit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 #elif defined(Q_WS_WIN)
     actionPreferences->setShortcut(QKeySequence(Qt::ALT + Qt::Key_Return));
+    // this code, because it unusable, system key combination can`t be triggered, even we add it manually
     actionQuit->setShortcut(QKeySequence(Qt::ALT + Qt::Key_F4));
 #else
     actionQuit->setShortcut(QKeySequence(Qt::ALT + Qt::Key_F4));
@@ -118,6 +119,12 @@ void UBMainWindow::keyPressEvent(QKeyEvent *event)
     */
 }
 
+void UBMainWindow::closeEvent(QCloseEvent *event)
+{
+    event->ignore();
+    emit closeEvent_Signal(event);
+}
+
 void UBMainWindow::onExportDone()
 {
     // HACK :  When opening the file save dialog during the document exportation,

src/gui/UBMainWindow.h

@@ -42,12 +42,16 @@ class UBMainWindow : public QMainWindow, public Ui::MainWindow
         void addDocumentsWidget(QWidget *pWidget);
         void switchToDocumentsWidget();
 
+    signals:
+        void closeEvent_Signal( QCloseEvent *event );
+
     public slots:
         void onExportDone();
 
     protected:
 
         virtual void keyPressEvent(QKeyEvent *event);
+        virtual void closeEvent (QCloseEvent *event);
 
         virtual QMenu* createPopupMenu ()
         {