+ comm

GUI/View/Scene/MaskGraphicsProxy.cpp

@@ -36,7 +36,7 @@ void MaskGraphicsProxy::mousePressEvent(QGraphicsSceneMouseEvent* event)
     if (!m_zooming)
         return;
     QGraphicsProxyWidget::mousePressEvent(event);
-    event->accept();
+    event->accept(); // prevents propagation to parent widget
 }
 
 void MaskGraphicsProxy::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)