Sankore-1351. Refresh mask only when needed.

src/board/UBBoardPaletteManager.h

@@ -65,6 +65,7 @@ class UBBoardPaletteManager : public QObject
         UBLeftPalette* leftPalette(){return mLeftPalette;}
         UBRightPalette* rightPalette(){return mRightPalette;}
         UBStylusPalette* stylusPalette(){return mStylusPalette;}
+        UBActionPalette *addItemPalette() {return mAddItemPalette;}
         void showVirtualKeyboard(bool show = true);
         void initPalettesPosAtStartup();
         void connectToDocumentController();

src/desktop/UBDesktopAnnotationController.cpp

@@ -157,6 +157,7 @@ UBDesktopAnnotationController::UBDesktopAnnotationController(QObject *parent, UB
 #ifdef Q_WS_X11
     connect(mDesktopPalette, SIGNAL(moving()), this, SLOT(refreshMask()));
     connect(UBApplication::boardController->paletteManager()->rightPalette(), SIGNAL(resized()), this, SLOT(refreshMask()));
+    connect(UBApplication::boardController->paletteManager()->addItemPalette(), SIGNAL(closed()), this, SLOT(refreshMask()));
 #endif
     onDesktopPaletteMaximized();
 
@@ -865,6 +866,16 @@ void UBDesktopAnnotationController::updateMask(bool bTransparent)
             p.drawRect(tabsPalette);
         }
 
+#ifdef Q_WS_X11
+        //Rquiered only for compiz wm
+        //TODO. Window manager detection screen
+
+        if (UBApplication::boardController->paletteManager()->addItemPalette()->isVisible()) {
+            p.drawRect(UBApplication::boardController->paletteManager()->addItemPalette()->geometry());
+        }
+
+#endif
+
         p.end();
 
         // Then we add the annotations. We create another painter because we need to
@@ -909,6 +920,7 @@ void UBDesktopAnnotationController::updateMask(bool bTransparent)
 
 void UBDesktopAnnotationController::refreshMask()
 {
+    if (mTransparentDrawingScene && mTransparentDrawingView->isVisible()) {
         if(mIsFullyTransparent
                 || UBDrawingController::drawingController()->stylusTool() == UBStylusTool::Selector
                 //Needed to work correctly when another actions on stylus are checked
@@ -919,6 +931,7 @@ void UBDesktopAnnotationController::refreshMask()
         {
             updateMask(true);
         }
+    }
 }
 
 void UBDesktopAnnotationController::onToolClicked()