eventHandler.h

/* Copyright (c) 2006-2009, Stefan Eilemann <eile@equalizergraphics.com> 
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *  
 * 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 GNU Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef EQ_EVENTHANDLER_H
#define EQ_EVENTHANDLER_H

#include <eq/client/event.h>         // member
#include <eq/base/hash.h>

namespace eq
{
    class Pipe;
    class Window;

    class EventHandler
    {
    public:

    protected:
        EQ_EXPORT EventHandler() : _lastEventWindow( 0 ) {}

        EQ_EXPORT virtual ~EventHandler(){}

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

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

        Event _lastPointerEvent;

        const Window* _lastEventWindow;

    private:
    };
}

#endif // EQ_EVENTHANDLER_H