/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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****************************************************************************/

#ifndef QPROXYSCREEN_QWS_H
#define QPROXYSCREEN_QWS_H

#include <QtGui/qscreen_qws.h>

#ifndef QT_NO_QWS_PROXYSCREEN

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QProxyScreenPrivate;

class Q_GUI_EXPORT QProxyScreen : public QScreen
{
public:
    QProxyScreen(int display_id, ClassId = ProxyClass);
    ~QProxyScreen();

    void setScreen(QScreen *screen);
    QScreen *screen() const;

    QSize mapToDevice(const QSize &s) const;
    QSize mapFromDevice(const QSize &s) const;

    QPoint mapToDevice(const QPoint &, const QSize &) const;
    QPoint mapFromDevice(const QPoint &, const QSize &) const;

    QRect mapToDevice(const QRect &, const QSize &) const;
    QRect mapFromDevice(const QRect &, const QSize &) const;

    QRegion mapToDevice(const QRegion &, const QSize &) const;
    QRegion mapFromDevice(const QRegion &, const QSize &) const;

    bool connect(const QString &displaySpec);
    bool initDevice();
    void shutdownDevice();
    void disconnect();

    void setMode(int width, int height, int depth);
    bool supportsDepth(int) const;

    void save();
    void restore();
    void blank(bool on);

    bool onCard(const unsigned char *) const;
    bool onCard(const unsigned char *, ulong& out_offset) const;

    bool isInterlaced() const;
    bool isTransformed() const;
    int transformOrientation() const;

    int memoryNeeded(const QString&);
    int sharedRamSize(void *);

    void haltUpdates();
    void resumeUpdates();

    void exposeRegion(QRegion r, int changing);
    void blit(const QImage &img, const QPoint &topLeft, const QRegion &region);
    void solidFill(const QColor &color, const QRegion &region);
    void setDirty(const QRect&);

    QWSWindowSurface* createSurface(QWidget *widget) const;
    QWSWindowSurface* createSurface(const QString &key) const;

    QList<QScreen*> subScreens() const;
    QRegion region() const;

private:
    void configure();

    QScreen *realScreen;
    QProxyScreenPrivate *d_ptr;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_QWS_PROXYSCREEN
#endif // QPROXYSCREEN_QWS_H
