MODIFIED: Preliminary support for a little cleanup when removing a widget from it's parent group ( for example when moving the widget ).

--HG--
branch : gsoc2012-gui-editor

code/nel/include/nel/gui/ctrl_text_button.h

@@ -124,6 +124,8 @@ namespace NLGUI
 			REFLECT_LUA_METHOD("getViewText", luaGetViewText)
 		REFLECT_EXPORT_END
 
+		void onRemoved();
+
 	protected:
 
 		enum	{NumTexture= 3};

code/nel/include/nel/gui/interface_element.h

@@ -486,6 +486,9 @@ namespace NLGUI
 		void setSerializable( bool b ){ serializable = b; }
 		bool IsSerializable() const{ return serializable; }
 
+		/// Called when the widget is removed from it's parent group
+		virtual void onRemoved(){}
+
 	protected:
 
 		bool editorSelected;

code/nel/src/gui/ctrl_text_button.cpp

@@ -64,8 +64,8 @@ namespace NLGUI
 	{
 		if( _ViewText != NULL )
 		{
-			if( getParent() != NULL )
-				getParent()->delElement( _ViewText );
+			if( _Parent != NULL )
+				_Parent->delView( _ViewText );
 			_ViewText = NULL;
 		}
 	}
@@ -967,6 +967,13 @@ namespace NLGUI
 	}
 
 	// ***************************************************************************
-
+	void CCtrlTextButton::onRemoved()
+	{
+		if( _ViewText != NULL )
+		{
+			if( _Parent != NULL )
+				_Parent->delView( _ViewText, true );
+		}
+	}
 }
 

code/nel/src/gui/interface_group.cpp

@@ -1084,9 +1084,12 @@ namespace NLGUI
 		{
 			if (_Views[i] == child)
 			{
-				if (!dontDelete) delete _Views[i];
+				CViewBase *v = _Views[i];
 				_Views.erase(_Views.begin()+i);
 				delEltOrder (child);
+				child->onRemoved();
+				child->setParent( NULL );
+				if (!dontDelete) delete v;
 				return true;
 			}
 		}
@@ -1100,9 +1103,12 @@ namespace NLGUI
 		{
 			if (_Controls[i] == child)
 			{
-				if (!dontDelete) delete _Controls[i];
+				CCtrlBase *c = _Controls[i];
 				_Controls.erase(_Controls.begin()+i);
 				delEltOrder (child);
+				child->onRemoved();
+				child->setParent( NULL );
+				if (!dontDelete) delete c;
 				return true;
 			}
 		}
@@ -1116,9 +1122,12 @@ namespace NLGUI
 		{
 			if (_ChildrenGroups[i] == child)
 			{
-				if (!dontDelete) delete _ChildrenGroups[i];
+				CInterfaceGroup *g = _ChildrenGroups[i];
 				_ChildrenGroups.erase(_ChildrenGroups.begin()+i);
 				delEltOrder (child);
+				child->onRemoved();
+				child->setParent( NULL );
+				if (!dontDelete) delete g;
 				return true;
 			}
 		}