QNode parent changes

- introduce QNode::setParent(QNode *)
- QNode created with explicit parent now invoke
  QNodePrivate::_q_addChild
- QNode::cleanup introduces, need to be added to the
  dtor of every QT3D_CLONABLE QNode subclass. Handles
  proper destruction.
- QNode::cleanup added to all classes that should have it.
- Updated unit tests of Nodes, Entity, Scene

Change-Id: Id2c2784122a78edaae5580fe5976d88be5a1921c
Task-number: QTBUG-45947
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/src/core/nodes/qnode_p.h b/src/core/nodes/qnode_p.h
index 7e654bf7a..11f64be9c 100644
--- a/src/core/nodes/qnode_p.h
+++ b/src/core/nodes/qnode_p.h
@@ -74,18 +74,22 @@ public:
     QSceneInterface *m_scene;
     mutable QNodeId m_id;
     bool m_blockNotifications;
+    bool m_wasCleanedUp;
 
     static QNodePrivate *get(QNode *q);
     static void nodePtrDeleter(QNode *q);
 
 private:
-    void addChild(QNode *childNode);
-    void removeChild(QNode *childNode);
-    void removeAllChildren();
+    void _q_addChild(QNode *childNode);
+    void _q_removeChild(QNode *childNode);
     void registerNotifiedProperties();
     void unregisterNotifiedProperties();
     void propertyChanged(int propertyIndex);
 
+    void setSceneHelper(QNode *root);
+    void unsetSceneHelper(QNode *root);
+    void addEntityComponentToScene(QNode *root);
+
     friend class PropertyChangeHandler<QNodePrivate>;
     bool m_propertyChangesSetup;
     PropertyChangeHandler<QNodePrivate> m_signals;