Added setHandled/getHandled to osgGA::GUIEventAdapter

src/osgGA/GUIEventAdapter.cpp

@@ -16,6 +16,7 @@
 using namespace osgGA;
 
 GUIEventAdapter::GUIEventAdapter():
+    _handled(false),
     _eventType(NONE),
     _time(0.0),
     _windowX(0),
@@ -42,6 +43,7 @@ GUIEventAdapter::GUIEventAdapter():
 
 GUIEventAdapter::GUIEventAdapter(const GUIEventAdapter& rhs):
     osg::Referenced(),
+    _handled(rhs._handled),
     _eventType(rhs._eventType),
     _time(rhs._time),
     _windowX(rhs._windowX),

src/osgGA/GUIEventHandler.cpp

@@ -28,11 +28,11 @@ void GUIEventHandler::operator()(osg::Node* node, osg::NodeVisitor* nv)
         {
             if (handle(*(*itr), *(ev->getActionAdapter()), node, nv))
             {
-                return;
+                (*itr)->setHandled(true);
             }
         }
     }
-    traverse(node,nv);
+    if (node->getNumChildrenRequiringEventTraversal()>0) traverse(node,nv);
 }
 
 void GUIEventHandler::event(osg::NodeVisitor* nv, osg::Drawable* drawable)