pointerEvent.h

/* Copyright (c) 2016, Stefan.Eilemann@epfl.ch
 *
 * 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 EQFABRIC_POINTEREVENT_H
#define EQFABRIC_POINTEREVENT_H

#include <eq/fabric/event.h>
#include <eq/fabric/renderContext.h> // member

namespace eq
{
namespace fabric
{
struct PointerEvent : public Event
{
    PointerEvent() : x(0), y(0), dx(0), dy(0), buttons(0), button(0), xAxis(0)
                   , yAxis(0) {}

    int32_t x;        
    int32_t y;        
    int32_t dx;       
    int32_t dy;       
    uint32_t buttons; 
    uint32_t button;  
    KeyModifier modifiers; 
    float xAxis;      
    float yAxis;      
    RenderContext context; 
};

inline std::ostream& operator << ( std::ostream& os, const PointerEvent& event )
{
    os << static_cast< const Event& >( event ) << " [" << event.x << "], ["
       << event.y << "] d(" << event.dx << ", " << event.dy << ')' << " wheel "
       << '[' << event.xAxis << ", " << event.yAxis << "] buttons ";

    if( event.buttons == PTR_BUTTON_NONE ) os << "none";
    if( event.buttons & PTR_BUTTON1 ) os << "1";
    if( event.buttons & PTR_BUTTON2 ) os << "2";
    if( event.buttons & PTR_BUTTON3 ) os << "3";
    if( event.buttons & PTR_BUTTON4 ) os << "4";
    if( event.buttons & PTR_BUTTON5 ) os << "5";

    os << event.modifiers << " fired ";
    if( event.button == PTR_BUTTON_NONE ) os << "none";
    if( event.button & PTR_BUTTON1 ) os << "1";
    if( event.button & PTR_BUTTON2 ) os << "2";
    if( event.button & PTR_BUTTON3 ) os << "3";
    if( event.button & PTR_BUTTON4 ) os << "4";
    if( event.button & PTR_BUTTON5 ) os << "5";

    return os << " context " << event.context;
}
}
}

namespace lunchbox
{
template<> inline void byteswap( eq::fabric::PointerEvent& value )
{
    byteswap( static_cast< eq::fabric::Event& >( value ));
    byteswap( value.x );
    byteswap( value.y );
    byteswap( value.dx );
    byteswap( value.dy );
    byteswap( value.buttons );
    byteswap( value.button );
    byteswap( value.modifiers );
    byteswap( value.xAxis );
    byteswap( value.yAxis );
    byteswap( value.context );
}
}

#endif // EQFABRIC_EVENT_H