X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fcanvas%2FCanvasEventVisitor.hxx;h=84b304a5537bf56444ea094468a1e43913cf7790;hb=36cb7a752b5d86d636aebd2379773923e0cbed1a;hp=9b1fe810ee65511ca705f2bd46721cfc0a7f499a;hpb=fc49be1e05fb2bc13fb26c43cf6efeed14033a9d;p=simgear.git

diff --git a/simgear/canvas/CanvasEventVisitor.hxx b/simgear/canvas/CanvasEventVisitor.hxx
index 9b1fe810..84b304a5 100644
--- a/simgear/canvas/CanvasEventVisitor.hxx
+++ b/simgear/canvas/CanvasEventVisitor.hxx
@@ -38,9 +38,15 @@ namespace canvas
         TRAVERSE_DOWN
       };
 
+      /**
+       *
+       * @param mode
+       * @param pos     Mouse position
+       * @param root    Element to dispatch events to if no element is hit
+       */
       EventVisitor( TraverseMode mode,
                     const osg::Vec2f& pos,
-                    const osg::Vec2f& delta );
+                    const ElementPtr& root = ElementPtr() );
       virtual ~EventVisitor();
       virtual bool traverse(Element& el);
       virtual bool apply(Element& el);
@@ -51,6 +57,7 @@ namespace canvas
 
       TraverseMode          _traverse_mode;
       EventPropagationPath  _target_path;
+      ElementPtr            _root;
 
   };