src/opengl/qwindowsurface_gl_p.h
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtOpenGL module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QWINDOWSURFACE_GL_P_H
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#define QWINDOWSURFACE_GL_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists for the convenience
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// of the QLibrary class.  This header file may change from
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// version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <qglobal.h>
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#include <qgl.h>
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#include <private/qwindowsurface_p.h>
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#include <private/qglpaintdevice_p.h>
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QT_BEGIN_NAMESPACE
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class QPaintDevice;
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class QPoint;
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class QRegion;
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class QWidget;
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struct QGLWindowSurfacePrivate;
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class QGLWindowSurfaceGLPaintDevice : public QGLPaintDevice
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{
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public:
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    QPaintEngine* paintEngine() const;
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    void endPaint();
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    QSize size() const;
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    int metric(PaintDeviceMetric m) const;
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    QGLContext* context() const;
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    QGLWindowSurfacePrivate* d;
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};
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class QGLWindowSurface : public QObject, public QWindowSurface // , public QPaintDevice
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{
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    Q_OBJECT
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public:
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    QGLWindowSurface(QWidget *window);
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    ~QGLWindowSurface();
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    QPaintDevice *paintDevice();
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    void flush(QWidget *widget, const QRegion &region, const QPoint &offset);
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    void setGeometry(const QRect &rect);
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    void updateGeometry();
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    bool scroll(const QRegion &area, int dx, int dy);
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    void beginPaint(const QRegion &region);
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    void endPaint(const QRegion &region);
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    QImage *buffer(const QWidget *widget);
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    QGLContext *context() const;
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    static QGLFormat surfaceFormat;
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private slots:
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    void deleted(QObject *object);
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private:
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    void hijackWindow(QWidget *widget);
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    QGLWindowSurfacePrivate *d_ptr;
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};
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QT_END_NAMESPACE
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#endif // QWINDOWSURFACE_GL_P_H
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