OpenSceneGraph/applications/present3D/ShowEventHandler.cpp
2018-05-31 14:45:37 +01:00

60 lines
2.0 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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 "ShowEventHandler.h"
#include <osgViewer/Viewer>
#include <osg/Notify>
using namespace p3d;
ShowEventHandler::ShowEventHandler()
{
}
bool ShowEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& /*aa*/, osg::Object* object, osg::NodeVisitor* /*nv*/)
{
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYUP):
{
osg::notify(osg::INFO)<<"ShowEventHandler KEYUP "<<(int)ea.getKey()<<std::endl;
if (ea.getKey()>=osgGA::GUIEventAdapter::KEY_F1 &&
ea.getKey()<=osgGA::GUIEventAdapter::KEY_F8)
{
unsigned int child = ea.getKey()-osgGA::GUIEventAdapter::KEY_F1;
osg::notify(osg::INFO)<<" Select "<<child<<std::endl;
osg::Switch* showSwitch = dynamic_cast<osg::Switch*>(object);
if (showSwitch)
{
if (child<showSwitch->getNumChildren())
{
osg::notify(osg::INFO)<<" Switched "<<child<<std::endl;
showSwitch->setSingleChildOn(child);
return true;
}
}
}
break;
}
default:
break;
}
return false;
}
void ShowEventHandler::getUsage(osg::ApplicationUsage& /*usage*/) const
{
}