#include <osgGA/GUIEventHandler>
#include <osgProducer/CameraGroup>

class StatsEventHandler : public osgGA::GUIEventHandler
{
    public:
    
        StatsEventHandler(osgProducer::Viewer* cg):_cg(cg) {}
    
        virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa)
        {
            if(!_cg) return false;

            if(ea.getEventType()==osgGA::GUIEventAdapter::KEYDOWN)
            {

                switch( ea.getKey() )
                {
                case 's' :
                    _cg->setInstrumentationMode(!_cg->getInstrumentationMode());
                    return true;

                case 'v' :
                    _cg->setBlockOnVsync(!_cg->getBlockOnVsync());
                    //std::cout<<"_cg->getBlockOnVsync()="<<_cg->getBlockOnVsync()<<std::endl;
                    return true;

                default:
                    break;

                }
            }
            return false;
            
        }

        virtual void accept(osgGA::GUIEventHandlerVisitor& gehv)
        {
            gehv.visit(*this);
        }

    protected:
        
        osgProducer::Viewer*        _cg;
};