qscreenmulti_qws_p.h

Go to the documentation of this file.

/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights.  These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QMULTISCREEN_QWS_P_H
#define QMULTISCREEN_QWS_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include <qscreen_qws.h>

QT_BEGIN_NAMESPACE

#ifndef QT_NO_QWS_MULTISCREEN

class QMultiScreenPrivate;

class QMultiScreen : public QScreen
{
public:
    QMultiScreen(int displayId);
    ~QMultiScreen();
    bool initDevice();
    bool connect(const QString &displaySpec);
    void disconnect();
    void shutdownDevice();
    void setMode(int,int,int);
    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;

    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 blit(QWSWindow *bs, const QRegion &clip);
    void setDirty(const QRect&);

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

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

private:
    void addSubScreen(QScreen *screen);
    void removeSubScreen(QScreen *screen);

    QMultiScreenPrivate *d_ptr;
};


QT_END_NAMESPACE
#endif // QT_NO_QWS_MULTISCREEN
#endif // QMULTISCREEN_QWS_P_H