qt/window.h

/* Copyright (c) 2014-2016, 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 <QObject> // base class
#include <QScreen>
#include <eq/glWindow.h> // base class
#include <eq/qt/types.h>

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;

    void _resize(const PixelViewport& pvp) override;
};
}
}
#endif // EQ_QT_WINDOW_H