OpenSceneGraph/include/osgGA/StateSetManipulator

//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.

#ifndef OSGGA_GEOSTATE_MANIPULATOR
#define OSGGA_GEOSTATE_MANIPULATOR 1

#include <osgGA/Export>
#include <osgGA/GUIEventAdapter>
#include <osgGA/GUIActionAdapter>
#include <osgGA/GUIEventHandler>

#include <osg/StateSet>

namespace osgGA{

/**
Experimental class, not been looked at for a while, but which will
be returned to at some point :-\
*/
class OSGGA_EXPORT StateSetManipulator : public GUIEventHandler
{
public:

        StateSetManipulator();
        virtual ~StateSetManipulator();

        /** attach a geostate to the manipulator to be used for specifying view.*/
        virtual void setStateSet(osg::StateSet*);

        /** get the attached a geostate.*/
        virtual osg::StateSet * getStateSet();

        /** get the attached a geostate.*/
        virtual const osg::StateSet * getStateSet() const;

        /** Handle events, return true if handled, false otherwise.*/
        virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);        

        /** Handle visitations */
        virtual void accept(GUIEventHandlerVisitor&);

protected:

        // Reference pointer to a geostate
        osg::ref_ptr<osg::StateSet> _drawState;

        bool _backface;
        bool _lighting;
        bool _texture;
};

}

#endif