SANKORE-332 / SANKORE-300 : fix crash

src/board/UBBoardController.cpp

@@ -1212,7 +1212,9 @@ void UBBoardController::ClearUndoStack()
         QGraphicsItem* item = itUniq.next();
         UBGraphicsScene *scene = (UBGraphicsScene*)item->scene();
         if(!scene)
-            delete item;
+        {
+            bool retCode = mActiveScene->deleteItem(item);
+        }
     }
 
 }

src/frameworks/UBCoreGraphicsScene.cpp

@@ -53,3 +53,16 @@ void UBCoreGraphicsScene::removeItem(QGraphicsItem* item, bool forceDelete)
         delete item;
     }
 }
+
+bool UBCoreGraphicsScene::deleteItem(QGraphicsItem* item)
+{
+    if(mItemsToDelete.contains(item))
+    {
+        mItemsToDelete.remove(item);
+        delete item;
+        return true;
+    }
+    else
+        return false;
+}
+

src/frameworks/UBCoreGraphicsScene.h

@@ -28,6 +28,9 @@ class UBCoreGraphicsScene : public QGraphicsScene
 
         virtual void removeItem(QGraphicsItem* item, bool forceDelete = false);
 
+        virtual bool deleteItem(QGraphicsItem* item);
+
+
     private:
         QSet<QGraphicsItem*> mItemsToDelete;
 };