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/***************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBBWINDOW_H
#define QBBWINDOW_H
#include <QtGui/QPlatformWindow>
#include "qbbbuffer.h"
#include <QtGui/QImage>
#include <EGL/egl.h>
#include <screen/screen.h>
QT_BEGIN_NAMESPACE
// all surfaces double buffered
#define MAX_BUFFER_COUNT 2
class QBBGLContext;
class QBBScreen;
class QPlatformGLContext;
class QSurfaceFormat;
class QBBWindow : public QPlatformWindow
{
friend class QBBScreen;
public:
QBBWindow(QWindow *window, screen_context_t context);
virtual ~QBBWindow();
virtual void setGeometry(const QRect &rect);
virtual void setVisible(bool visible);
virtual void setOpacity(qreal level);
virtual WId winId() const { return (WId)m_window; }
screen_window_t nativeHandle() const { return m_window; }
void setBufferSize(const QSize &size);
QSize bufferSize() const { return m_bufferSize; }
bool hasBuffers() const { return !m_bufferSize.isEmpty(); }
QBBBuffer &renderBuffer();
void scroll(const QRegion ®ion, int dx, int dy, bool flush=false);
void post(const QRegion &dirty);
void setScreen(QBBScreen *platformScreen);
virtual void setParent(const QPlatformWindow *window);
virtual void raise();
virtual void lower();
virtual void requestActivateWindow();
void gainedFocus();
QBBScreen *screen() const { return m_screen; }
const QList<QBBWindow*>& children() const { return m_childWindows; }
void setPlatformOpenGLContext(QBBGLContext *platformOpenGLContext);
QBBGLContext *platformOpenGLContext() const { return m_platformOpenGLContext; }
private:
void removeFromParent();
void offset(const QPoint &offset);
void updateVisibility(bool parentVisible);
void updateZorder(int &topZorder);
void fetchBuffers();
void copyBack(const QRegion ®ion, int dx, int dy, bool flush=false);
static int platformWindowFormatToNativeFormat(const QSurfaceFormat &format);
screen_context_t m_screenContext;
screen_window_t m_window;
QSize m_bufferSize;
QBBBuffer m_buffers[MAX_BUFFER_COUNT];
int m_currentBufferIndex;
int m_previousBufferIndex;
QRegion m_previousDirty;
QRegion m_scrolled;
QBBGLContext *m_platformOpenGLContext;
QBBScreen *m_screen;
QList<QBBWindow*> m_childWindows;
QBBWindow *m_parentWindow;
bool m_visible;
};
QT_END_NAMESPACE
#endif // QBBWINDOW_H
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