Multiple selection and deselection items implemented.

src/board/UBBoardView.cpp

@@ -71,6 +71,7 @@ UBBoardView::UBBoardView (UBBoardController* pController, QWidget* pParent)
 , suspendedMousePressEvent(NULL)
 , mLongPressInterval(1000)
 , mIsDragInProgress(false)
+, mMultipleSelectionIsEnabled(false)
 {
   init ();
 
@@ -86,6 +87,7 @@ UBBoardView::UBBoardView (UBBoardController* pController, int pStartLayer, int p
 , suspendedMousePressEvent(NULL)
 , mLongPressInterval(1000)
 , mIsDragInProgress(false)
+, mMultipleSelectionIsEnabled(false)
 {
   init ();
 
@@ -206,6 +208,11 @@ UBBoardView::keyPressEvent (QKeyEvent *event)
             mController->addScene ();
             break;
           }
+        case Qt::Key_Control:
+        case Qt::Key_Shift:
+          {
+            mMultipleSelectionIsEnabled = true;
+          }break;
         }
 
 
@@ -266,6 +273,21 @@ UBBoardView::keyPressEvent (QKeyEvent *event)
     }
 }
 
+
+void UBBoardView::keyReleaseEvent(QKeyEvent *event)
+{
+   // if (!event->isAccepted ())
+    {    
+        if (Qt::Key_Shift == event->key()
+          ||Qt::Key_Control == event->key())
+        {
+            mMultipleSelectionIsEnabled = false;
+        }
+    }
+
+    QGraphicsView::keyReleaseEvent(event);
+}
+
 bool
 UBBoardView::event (QEvent * e)
 {
@@ -576,7 +598,8 @@ void UBBoardView::handleItemMousePress(QMouseEvent *event)
 
 
     if (movingItem && QGraphicsSvgItem::Type !=  movingItem->type()
-        && UBGraphicsDelegateFrame::Type !=  movingItem->type())
+        && UBGraphicsDelegateFrame::Type != movingItem->type()
+        && !mMultipleSelectionIsEnabled)
     {
         foreach(QGraphicsItem *item, scene()->selectedItems())
         {
@@ -587,6 +610,9 @@ void UBBoardView::handleItemMousePress(QMouseEvent *event)
         }
     }
 
+    if (mMultipleSelectionIsEnabled)
+        return;
+
     if (itemShouldReceiveMousePressEvent(movingItem))
         QGraphicsView::mousePressEvent (event);
     else
@@ -944,6 +970,7 @@ UBBoardView::mouseReleaseEvent (QMouseEvent *event)
 
   if (currentTool == UBStylusTool::Selector)
   {
+      bool bReleaseIsNeed = true;
       if (mWidgetMoved)
       {
           mWidgetMoved = false;
@@ -957,13 +984,25 @@ UBBoardView::mouseReleaseEvent (QMouseEvent *event)
               QGraphicsView::mousePressEvent(suspendedMousePressEvent);     // suspendedMousePressEvent is deleted by old Qt event loop
               movingItem = NULL;
               delete suspendedMousePressEvent;
-              suspendedMousePressEvent = NULL;                       
+              suspendedMousePressEvent = NULL;
           }
           else
           {
              if (   QGraphicsSvgItem::Type !=  movingItem->type()
                  && UBGraphicsDelegateFrame::Type !=  movingItem->type())
-                 movingItem->setSelected(true);
+             {
+                 bReleaseIsNeed = false;
+                 if (movingItem->isSelected() && mMultipleSelectionIsEnabled)
+                    movingItem->setSelected(false);
+                 else
+                 {
+                    if (movingItem->isSelected())
+                        bReleaseIsNeed = true;
+
+                    movingItem->setSelected(true);
+                 }
+                
+             }
           }
       }
 
@@ -971,7 +1010,11 @@ UBBoardView::mouseReleaseEvent (QMouseEvent *event)
           mUBRubberBand->hide();
       }
 
-      QGraphicsView::mouseReleaseEvent (event);
+      if (bReleaseIsNeed)
+      {
+          qDebug() << "mre";
+          QGraphicsView::mouseReleaseEvent (event);
+      }
   }
   else if (currentTool == UBStylusTool::Play)
   {

src/board/UBBoardView.h

@@ -65,6 +65,7 @@ class UBBoardView : public QGraphicsView
         virtual bool event (QEvent * e);
 
         virtual void keyPressEvent(QKeyEvent *event);
+        virtual void keyReleaseEvent(QKeyEvent *event);
         virtual void tabletEvent(QTabletEvent * event);
         virtual void mouseDoubleClickEvent(QMouseEvent *event);
         virtual void mousePressEvent(QMouseEvent *event);
@@ -145,6 +146,7 @@ class UBBoardView : public QGraphicsView
         QTimer mLongPressTimer;
 
         bool mIsDragInProgress;
+        bool mMultipleSelectionIsEnabled;
 
     private slots: