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# qx11info_x11.h

Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QX11INFO_X11_H
    00043 #define QX11INFO_X11_H
    00044
    00045 #include <QtCore/qnamespace.h>
    00046
    00047 typedef struct _XDisplay Display;
    00048
    00049 QT_BEGIN_HEADER
    00050
    00051 QT_BEGIN_NAMESPACE
    00052
    00053 QT_MODULE(Gui)
    00054
    00055 struct QX11InfoData;
    00056 class QX11Info;
    00057 class QPaintDevice;
    00058 class QApplicationPrivate;
    00059 class QX11InfoPrivate;
    00060 struct QX11WindowAttributes;
    00061
    00062 void qt_x11_getX11InfoForWindow(QX11Info * xinfo, const QX11WindowAttributes &a);
    00063 class Q_GUI_EXPORT QX11Info
    00064 {
    00065 public:
    00066     QX11Info();
    00067     ~QX11Info();
    00068     QX11Info(const QX11Info &other);
    00069     QX11Info &operator=(const QX11Info &other);
    00070
    00071     static Display *display();
    00072     static const char *appClass();
    00073     int screen() const;
    00074     int depth() const;
    00075     int cells() const;
    00076     Qt::HANDLE colormap() const;
    00077     bool defaultColormap() const;
    00078     void *visual() const;
    00079     bool defaultVisual() const;
    00080
    00081     static int appScreen();
    00082     static int appDepth(int screen = -1);
    00083     static int appCells(int screen = -1);
    00084     static Qt::HANDLE appColormap(int screen = -1);
    00085     static void *appVisual(int screen = -1);
    00086     static Qt::HANDLE appRootWindow(int screen = -1);
    00087     static bool appDefaultColormap(int screen = -1);
    00088     static bool appDefaultVisual(int screen = -1);
    00089     static int appDpiX(int screen = -1);
    00090     static int appDpiY(int screen = -1);
    00091     static void setAppDpiX(int screen, int dpi);
    00092     static void setAppDpiY(int screen, int dpi);
    00093     static unsigned long appTime();
    00094     static unsigned long appUserTime();
    00095     static void setAppTime(unsigned long time);
    00096     static void setAppUserTime(unsigned long time);
    00097     static bool isCompositingManagerRunning();
    00098
    00099 protected:
    00100     void copyX11Data(const QPaintDevice *);
    00101     void cloneX11Data(const QPaintDevice *);
    00102     void setX11Data(const QX11InfoData *);
    00103     QX11InfoData* getX11Data(bool def = false) const;
    00104
    00105     QX11InfoData *x11data;
    00106
    00107     friend class QX11PaintEngine;
    00108     friend class QPixmap;
    00109     friend class QX11PixmapData;
    00110     friend class QWidget;
    00111     friend class QWidgetPrivate;
    00112     friend class QGLWidget;
    00113     friend void qt_init(QApplicationPrivate *priv, int, Display *display, Qt::HANDLE visual,
    00114                         Qt::HANDLE colormap);
    00115     friend void qt_cleanup();
    00116     friend void qt_x11_getX11InfoForWindow(QX11Info * xinfo, const QX11WindowAttributes &a);
    00117 };
    00118
    00119 QT_END_NAMESPACE
    00120
    00121 QT_END_HEADER
    00122
    00123 #endif // QX11INFO_X11_H