Added the new signal FlowScene::nodePlaced().

Author: syrokomskyi

include/nodes/internal/FlowScene.hpp

@@ -99,8 +99,19 @@ class NODE_EDITOR_PUBLIC FlowScene
 
 Q_SIGNALS:
 
+  /**
+   * @brief Node has been created but not on the scene yet.
+   * @see nodePlaced()
+   */
   void nodeCreated(Node &n);
 
+  /**
+   * @brief Node has been added to the scene.
+   * @details Connect to this signal if need a correct position of node.
+   * @see nodeCreated()
+   */
+  void nodePlaced(Node &n);
+
   void nodeDeleted(Node &n);
 
   void connectionCreated(Connection &c);

src/FlowView.cpp

@@ -171,6 +171,8 @@ contextMenuEvent(QContextMenuEvent *event)
       QPointF posView = this->mapToScene(pos);
 
       node.nodeGraphicsObject().setPos(posView);
+
+      _scene->nodePlaced(node);
     }
     else
     {