Sample editor back working.

src/visual_elements/AbstractVisualNode.h

@@ -8,6 +8,8 @@
 
 #include <memory>
 
+#include <iostream>
+
 class FontsManager;
 
 class AbstractVisualNode
@@ -54,6 +56,7 @@ public:
 
     void setIsVisible(bool isVisible)
     {
+        //std::cout << "Setting " << mName << " visibility to " << isVisible << std::endl;
         mIsVisible = isVisible;
     }
 
@@ -77,6 +80,15 @@ public:
         return mIsVisible;
     }
 
+    void setLocation(const DiscretePoint& loc)
+    {
+        if (mLocation != loc)
+        {
+            mTransformIsDirty = true;
+            mLocation = loc;
+        }
+    }
+
 protected:
     DiscretePoint mLocation;
     std::unique_ptr<SceneItem> mSceneItem;