1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtGui module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QX11INFO_X11_H

    43 #define QX11INFO_X11_H

    44 

    45 #include <QtCore/qnamespace.h>

    46 

    47 typedef struct _XDisplay Display;

    48 

    49 QT_BEGIN_HEADER

    50 

    51 QT_BEGIN_NAMESPACE

    52 

    53 QT_MODULE(Gui)

    54 

    55 struct QX11InfoData;

    56 class QX11Info;

    57 class QPaintDevice;

    58 class QApplicationPrivate;

    59 class QX11InfoPrivate;

    60 struct QX11WindowAttributes;

    61 

    62 void qt_x11_getX11InfoForWindow(QX11Info * xinfo, const QX11WindowAttributes &a);

    63 class Q_GUI_EXPORT QX11Info

    64 {

    65 public:

    66     QX11Info();

    67     ~QX11Info();

    68     QX11Info(const QX11Info &other);

    69     QX11Info &operator=(const QX11Info &other);

    70 

    71     static Display *display();

    72     static const char *appClass();

    73     int screen() const;

    74     int depth() const;

    75     int cells() const;

    76     Qt::HANDLE colormap() const;

    77     bool defaultColormap() const;

    78     void *visual() const;

    79     bool defaultVisual() const;

    80 

    81     static int appScreen();

    82     static int appDepth(int screen = -1);

    83     static int appCells(int screen = -1);

    84     static Qt::HANDLE appColormap(int screen = -1);

    85     static void *appVisual(int screen = -1);

    86     static Qt::HANDLE appRootWindow(int screen = -1);

    87     static bool appDefaultColormap(int screen = -1);

    88     static bool appDefaultVisual(int screen = -1);

    89     static int appDpiX(int screen = -1);

    90     static int appDpiY(int screen = -1);

    91     static void setAppDpiX(int screen, int dpi);

    92     static void setAppDpiY(int screen, int dpi);

    93     static unsigned long appTime();

    94     static unsigned long appUserTime();

    95     static void setAppTime(unsigned long time);

    96     static void setAppUserTime(unsigned long time);

    97     static bool isCompositingManagerRunning();

    98 

    99 protected:

   100     void copyX11Data(const QPaintDevice *);

   101     void cloneX11Data(const QPaintDevice *);

   102     void setX11Data(const QX11InfoData *);

   103     QX11InfoData* getX11Data(bool def = false) const;

   104 

   105     QX11InfoData *x11data;

   106 

   107     friend class QX11PaintEngine;

   108     friend class QPixmap;

   109     friend class QX11PixmapData;

   110     friend class QWidget;

   111     friend class QWidgetPrivate;

   112     friend class QGLWidget;

   113     friend void qt_init(QApplicationPrivate *priv, int, Display *display, Qt::HANDLE visual,

   114                         Qt::HANDLE colormap);

   115     friend void qt_cleanup();

   116     friend void qt_x11_getX11InfoForWindow(QX11Info * xinfo, const QX11WindowAttributes &a);

   117 };

   118 

   119 QT_END_NAMESPACE

   120 

   121 QT_END_HEADER

   122 

   123 #endif // QX11INFO_X11_H