qt/window.h

/* Copyright (c) 2014-2015, Daniel Nachbaur <danielnachbaur@gmail.com>
 *                          Stefan.Eilemann@epfl.ch
 *                          Juan Hernando <jhernando@fi.upm.es>
 *
 * 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_QT_WINDOW_H
#define EQ_QT_WINDOW_H

#include <eq/qt/types.h>
#include <eq/glWindow.h> // base class
#include <QObject> // base class
#include <QScreen>

namespace eq
{
namespace qt
{
namespace detail { class Window; }

class WindowIF : public GLWindow
{
public:
    WindowIF( NotifierInterface& parent,
              const WindowSettings& settings ) : GLWindow( parent, settings ) {}
    virtual ~WindowIF() {}

    virtual bool processEvent( EventType type, QEvent* )
        { return GLWindow::processEvent( type ); }

    virtual bool processEvent( EventType type, QEvent*, SizeEvent& event )
        { return GLWindow::processEvent( type, event ); }

    virtual bool processEvent( EventType type, QEvent*, PointerEvent& event )
        { return GLWindow::processEvent( type, event ); }

    virtual bool processEvent( EventType type, QEvent*, KeyEvent& event )
        { return GLWindow::processEvent( type, event ); }

    virtual bool processEvent( EventType type )
        { return GLWindow::processEvent( type ); }
};

class Window : public QObject, public WindowIF
{
    Q_OBJECT

public:
    EQ_API Window( NotifierInterface& parent, const WindowSettings& settings,
                   QScreen* screen, QThread* thread );

    EQ_API ~Window() final;

    EQ_API bool configInit() override;

    EQ_API void configExit() override;


    EQ_API QOpenGLContext* getContext() const;

    EQ_API void makeCurrent( const bool cache = true ) const override;

    EQ_API void doneCurrent() const override;

    EQ_API void swapBuffers() override;

    EQ_API void joinNVSwapBarrier( const uint32_t group,
                                   const uint32_t barrier ) override;

    EQ_API void leaveNVSwapBarrier();

    EQ_API bool processEvent( EventType type, QEvent* qEvent, SizeEvent& event )
        override;

    EQ_API QObject* getEventProcessor();

    void moveContextToThread( QThread* thread );

signals:
    void destroyImpl( detail::Window* );

private:
    detail::Window* const _impl;
};
}
}
#endif // EQ_QT_WINDOW_H