OpenSceneGraph/src/osgGA/EventHandler.cpp
2016-06-08 10:18:23 +01:00

53 lines
1.8 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2013 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osgGA/GUIEventHandler>
#include <osgGA/EventVisitor>
using namespace osgGA;
void EventHandler::operator()(osg::Node* node, osg::NodeVisitor* nv)
{
osgGA::EventVisitor* ev = nv->asEventVisitor();
if (ev && ev->getActionAdapter() && !ev->getEvents().empty())
{
for(osgGA::EventQueue::Events::iterator itr = ev->getEvents().begin();
itr != ev->getEvents().end();
++itr)
{
handle(itr->get(), node, nv);
}
}
if (node->getNumChildrenRequiringEventTraversal()>0 || _nestedCallback.valid()) traverse(node,nv);
}
void EventHandler::event(osg::NodeVisitor* nv, osg::Drawable* drawable)
{
osgGA::EventVisitor* ev = nv->asEventVisitor();
if (ev && ev->getActionAdapter() && !ev->getEvents().empty())
{
for(osgGA::EventQueue::Events::iterator itr = ev->getEvents().begin();
itr != ev->getEvents().end();
++itr)
{
handle(itr->get(), drawable, nv);
}
}
}
bool EventHandler::handle(osgGA::Event* event, osg::Object* /*object*/, osg::NodeVisitor* /*nv*/)
{
OSG_NOTICE<<"Handle event "<<event<<std::endl;
return false;
}