OpenSceneGraph/include/osgPresentation/PickEventHandler
2012-03-21 17:36:20 +00:00

72 lines
2.7 KiB
C++

/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
*
* This software is open source and may be redistributed and/or modified under
* the terms of the GNU General Public License (GPL) version 2.0.
* The full license is in LICENSE.txt file included with this distribution,.
*
* This software 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
* include LICENSE.txt for more details.
*/
#ifndef PICKEVENTHANDLER
#define PICKEVENTHANDLER 1
#include <osg/StateSet>
#include <osg/Point>
#include <osgGA/GUIEventHandler>
#include <osgPresentation/SlideEventHandler>
namespace osgPresentation
{
class OSGPRESENTATION_EXPORT PickEventHandler : public osgGA::GUIEventHandler
{
public:
PickEventHandler(osgPresentation::Operation operation, bool relativeJump=true, int slideNum=0, int layerNum=0);
PickEventHandler(const std::string& str, osgPresentation::Operation operation, bool relativeJump=true, int slideNum=0, int layerNum=0);
PickEventHandler(const osgPresentation::KeyPosition& keyPos, bool relativeJump=true, int slideNum=0, int layerNum=0);
void setOperation(osgPresentation::Operation operation) { _operation = operation; }
osgPresentation::Operation getOperation() const { return _operation; }
void setCommand(const std::string& str) { _command = str; }
const std::string& getCommand() const { return _command; }
void setKeyPosition(const osgPresentation::KeyPosition& keyPos) { _keyPos = keyPos; }
const osgPresentation::KeyPosition& getKeyPosition() const { return _keyPos; }
void setRelativeJump(int slideDelta, int layerDelta);
void setAbsoluteJump(int slideNum, int layerNum);
bool getRelativeJump() const { return _relativeJump; }
int getSlideNum() const { return _slideNum; }
int getLayerNum() const { return _layerNum; }
bool requiresJump() const { return _relativeJump ? (_slideNum!=0 || _layerNum!=0) : true; }
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object* object, osg::NodeVisitor* nv);
virtual void accept(osgGA::GUIEventHandlerVisitor& v);
virtual void getUsage(osg::ApplicationUsage& usage) const;
void doOperation();
std::string _command;
osgPresentation::KeyPosition _keyPos;
osgPresentation::Operation _operation;
bool _relativeJump;
int _slideNum;
int _layerNum;
};
}
#endif