canvas::NasalWidget: check for empty setGeometry callback.

[simgear.git] / simgear / canvas / layout / LayoutItem.hxx

diff --git a/simgear/canvas/layout/LayoutItem.hxx b/simgear/canvas/layout/LayoutItem.hxx
index 810c1a553e3f789320ac8ae624e248c50593a52c..bd3fb70c5f862d031cabbfc37fd9fd8ac315c471 100644 (file)
--- a/simgear/canvas/layout/LayoutItem.hxx
+++ b/simgear/canvas/layout/LayoutItem.hxx
@@ -43,6 +43,7 @@ namespace canvas
   {
     public:
 
+      /** Maximum item size (indicating no limit) */
       static const SGVec2i MAX_SIZE;
 
       LayoutItem();
@@ -108,6 +109,9 @@ namespace canvas
        */
       LayoutItemRef getParent() const;
 
+      /// Called before item is removed from a layout
+      virtual void onRemove() {}
+
     protected:
 
       friend class Canvas;