Canvas: Respect clipping while event handling.

[simgear.git] / simgear / canvas / elements / CanvasElement.hxx

diff --git a/simgear/canvas/elements/CanvasElement.hxx b/simgear/canvas/elements/CanvasElement.hxx
index e56a943ca5813da8ed75ad006f9ae50c07fdc41b..dc5e1bf7592985d125b588bc26470c5d4e770ead 100644 (file)
--- a/simgear/canvas/elements/CanvasElement.hxx
+++ b/simgear/canvas/elements/CanvasElement.hxx
@@ -113,18 +113,34 @@ namespace canvas
 
       virtual bool handleEvent(canvas::EventPtr event);
 
-      virtual bool hitBound( const osg::Vec2f& pos,
+      /**
+       *
+       * @param global_pos Position in global (canvas) coordinate frame
+       * @param parent_pos Position in parent coordinate frame
+       * @param local_pos  Position in local (element) coordinate frame
+       */
+      virtual bool hitBound( const osg::Vec2f& global_pos,
+                             const osg::Vec2f& parent_pos,
                              const osg::Vec2f& local_pos ) const;
 
       /**
-       * Get whether the element is visible or hidden (Can be changed with
-       * setting property "visible" accordingly).
+       * Set visibility of the element.
+       */
+      void setVisible(bool visible);
+
+      /**
+       * Get whether the element is visible or hidden.
        */
       bool isVisible() const;
 
       osg::MatrixTransform* getMatrixTransform();
       osg::MatrixTransform const* getMatrixTransform() const;
 
+      /**
+       * Transform position to local coordinages.
+       */
+      osg::Vec2f posToLocal(const osg::Vec2f& pos) const;
+
       virtual void childAdded( SGPropertyNode * parent,
                                SGPropertyNode * child );
       virtual void childRemoved( SGPropertyNode * parent,