diff --git a/src/board/UBBoardController.cpp b/src/board/UBBoardController.cpp
index 34d94bf2..a1fbd435 100644
--- a/src/board/UBBoardController.cpp
+++ b/src/board/UBBoardController.cpp
@@ -158,7 +158,7 @@ void UBBoardController::setupViews()
     mControlLayout = new QHBoxLayout(mControlContainer);
     mControlLayout->setContentsMargins(0, 0, 0, 0);
 
-    mControlView = new UBBoardView(this, mControlContainer);
+    mControlView = new UBBoardView(this, mControlContainer, true);
     mControlView->setInteractive(true);
     mControlView->setMouseTracking(true);
 
diff --git a/src/board/UBBoardView.cpp b/src/board/UBBoardView.cpp
index 4786c9d0..0c9b6dbe 100644
--- a/src/board/UBBoardView.cpp
+++ b/src/board/UBBoardView.cpp
@@ -62,7 +62,7 @@
 
 #include "core/memcheck.h"
 
-UBBoardView::UBBoardView (UBBoardController* pController, QWidget* pParent)
+UBBoardView::UBBoardView (UBBoardController* pController, QWidget* pParent, bool pIsControl)
 : QGraphicsView (pParent)
 , mController (pController)
 , mIsCreatingTextZone (false)
@@ -72,6 +72,7 @@ UBBoardView::UBBoardView (UBBoardController* pController, QWidget* pParent)
 , mLongPressInterval(1000)
 , mIsDragInProgress(false)
 , mMultipleSelectionIsEnabled(false)
+, isControl(pIsControl)
 {
   init ();
 
@@ -81,13 +82,14 @@ UBBoardView::UBBoardView (UBBoardController* pController, QWidget* pParent)
   mLongPressTimer.setSingleShot(true);
 }
 
-UBBoardView::UBBoardView (UBBoardController* pController, int pStartLayer, int pEndLayer, QWidget* pParent)
+UBBoardView::UBBoardView (UBBoardController* pController, int pStartLayer, int pEndLayer, QWidget* pParent, bool pIscontrol)
 : QGraphicsView (pParent)
 , mController (pController)
 , suspendedMousePressEvent(NULL)
 , mLongPressInterval(1000)
 , mIsDragInProgress(false)
 , mMultipleSelectionIsEnabled(false)
+, isControl(pIscontrol)
 {
   init ();
 
@@ -124,6 +126,8 @@ void UBBoardView::init ()
   setHorizontalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
   setAcceptDrops (true);
 
+  setOptimizationFlag (QGraphicsView::IndirectPainting); // enable UBBoardView::drawItems filter
+
   mTabletStylusIsPressed = false;
   mMouseButtonIsPressed = false;
   mPendingStylusReleaseEvent = false;
@@ -729,6 +733,11 @@ void UBBoardView::longPressEvent()
 
 void UBBoardView::mousePressEvent (QMouseEvent *event)
 {
+    if (!isControl) {
+        event->ignore();
+        return;
+    }
+
     mIsDragInProgress = false;
 
     if (isAbsurdPoint (event->pos ()))
diff --git a/src/board/UBBoardView.h b/src/board/UBBoardView.h
index 34cf7fc7..bcbf4723 100644
--- a/src/board/UBBoardView.h
+++ b/src/board/UBBoardView.h
@@ -31,8 +31,8 @@ class UBBoardView : public QGraphicsView
 
     public:
 
-        UBBoardView(UBBoardController* pController, QWidget* pParent = 0);
-        UBBoardView(UBBoardController* pController, int pStartLayer, int pEndLayer, QWidget* pParent = 0);
+        UBBoardView(UBBoardController* pController, QWidget* pParent = 0, bool pIsControl = false);
+        UBBoardView(UBBoardController* pController, int pStartLayer, int pEndLayer, QWidget* pParent = 0, bool pIscontrol = false);
         virtual ~UBBoardView();
 
         UBGraphicsScene* scene();
@@ -147,6 +147,7 @@ class UBBoardView : public QGraphicsView
 
         bool mIsDragInProgress;
         bool mMultipleSelectionIsEnabled;
+        bool isControl;
 
     private slots: