Changed the osgUI behaviour so that events are set to be handled by Widgets that have focus even if they don't directly use them.

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14425 16af8721-9629-0410-8352-f15c8da7e697

src/osgUI/Widget.cpp

@@ -214,12 +214,14 @@ void Widget::traverseImplementation(osg::NodeVisitor& nv)
 
             // signify that event has been taken by widget with focus
 
+            bool widgetsWithFocusSetHandled = getHasEventFocus();
+
             osgGA::EventQueue::Events& events = ev->getEvents();
             for(osgGA::EventQueue::Events::iterator itr = events.begin();
                 itr != events.end();
                 ++itr)
             {
-                if (handle(ev, itr->get()))
+                if (handle(ev, itr->get()) || widgetsWithFocusSetHandled)
                 {
                     (*itr)->setHandled(true);
                     ev->setEventHandled(true);