eventHandler.h

/* Copyright (c) 2006-2007, Stefan Eilemann <eile@equalizergraphics.com> 
   All rights reserved. */

#ifndef EQ_EVENTHANDLER_H
#define EQ_EVENTHANDLER_H

#include <eq/client/event.h>
#include <eq/client/windowSystem.h>

#include <eq/base/hash.h>

namespace eq
{
    class Pipe;
    class Window;

    class EQ_EXPORT EventHandler
    {
    public:
        static EventHandler* registerPipe( Pipe* pipe );

        virtual void deregisterPipe( Pipe* pipe ) = 0;
        
    protected:
        EventHandler() : _lastEventWindow( 0 ) {}

        virtual ~EventHandler(){}

        void _computePointerDelta( const Window* window, Event& event );

        void _getRenderContext( const Window* window, Event& event );

        Event _lastPointerEvent;

        const Window* _lastEventWindow;

    private:
    };
}

#endif // EQ_EVENTHANDLER_H