| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the QtGui module of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include "qguiplatformplugin_p.h"
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| 43 | #include <qdebug.h>
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| 44 | #include <qfile.h>
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| 45 | #include <qdir.h>
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| 46 | #include <qsettings.h>
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| 47 | #include "private/qfactoryloader_p.h"
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| 48 | #include "qstylefactory.h"
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| 49 | #include "qapplication.h"
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| 50 | #include "qplatformdefs.h"
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| 51 | #include "qicon.h"
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| 52 |
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| 53 | #ifdef Q_WS_WINCE
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| 54 | #include "qguifunctions_wince.h"
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| 55 | extern bool qt_wince_is_smartphone(); //qguifunctions_wince.cpp
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| 56 | extern bool qt_wince_is_mobile(); //qguifunctions_wince.cpp
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| 57 | extern bool qt_wince_is_pocket_pc(); //qguifunctions_wince.cpp
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| 58 | #endif
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| 59 |
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| 60 |
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| 61 | #if defined(Q_WS_X11)
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| 62 | #include <private/qkde_p.h>
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| 63 | #include <private/qgtkstyle_p.h>
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| 64 | #include <private/qt_x11_p.h>
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| 65 | #endif
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| 66 |
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| 67 |
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| 68 | QT_BEGIN_NAMESPACE
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| 69 |
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| 70 |
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| 71 | /*! \internal
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| 72 | Return (an construct if necesseray) the Gui Platform plugin.
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| 73 |
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| 74 | The plugin key to be loaded is inside the QT_PLATFORM_PLUGIN environment variable.
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| 75 | If it is not set, it will be the DESKTOP_SESSION on X11.
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| 76 |
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| 77 | If no plugin can be loaded, the default one is returned.
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| 78 | */
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| 79 | QGuiPlatformPlugin *qt_guiPlatformPlugin()
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| 80 | {
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| 81 | static QGuiPlatformPlugin *plugin;
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| 82 | if (!plugin)
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| 83 | {
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| 84 | #ifndef QT_NO_LIBRARY
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| 85 |
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| 86 | QString key = QString::fromLocal8Bit(qgetenv("QT_PLATFORM_PLUGIN"));
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| 87 | #ifdef Q_WS_X11
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| 88 | if (key.isEmpty()) {
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| 89 | switch(X11->desktopEnvironment) {
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| 90 | case DE_KDE:
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| 91 | key = QString::fromLatin1("kde");
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| 92 | break;
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| 93 | default:
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| 94 | key = QString::fromLocal8Bit(qgetenv("DESKTOP_SESSION"));
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| 95 | break;
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| 96 | }
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| 97 | }
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| 98 | #endif
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| 99 |
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| 100 | if (!key.isEmpty() && QApplication::desktopSettingsAware()) {
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| 101 | QFactoryLoader loader(QGuiPlatformPluginInterface_iid, QLatin1String("/gui_platform"));
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| 102 | plugin = qobject_cast<QGuiPlatformPlugin *>(loader.instance(key));
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| 103 | }
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| 104 | #endif // QT_NO_LIBRARY
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| 105 |
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| 106 | if(!plugin) {
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| 107 | static QGuiPlatformPlugin def;
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| 108 | plugin = &def;
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| 109 | }
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| 110 | }
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| 111 | return plugin;
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| 112 | }
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| 113 |
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| 114 |
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| 115 | /* \class QPlatformPlugin
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| 116 | QGuiPlatformPlugin can be used to integrate Qt applications in a platform built on top of Qt.
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| 117 | The application developer should not know or use the plugin, it is only used by Qt internaly.
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| 118 |
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| 119 | But full platform that are built on top of Qt may provide a plugin so 3rd party Qt application
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| 120 | running in the platform are integrated.
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| 121 | */
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| 122 |
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| 123 | /*
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| 124 | The constructor can be used to install hooks in Qt
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| 125 | */
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| 126 | QGuiPlatformPlugin::QGuiPlatformPlugin(QObject *parent) : QObject(parent) {}
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| 127 | QGuiPlatformPlugin::~QGuiPlatformPlugin() {}
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| 128 |
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| 129 |
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| 130 | /* return the string key to be used by default the application */
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| 131 | QString QGuiPlatformPlugin::styleName()
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| 132 | {
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| 133 | #if defined(Q_WS_WIN) && defined(Q_WS_WINCE)
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| 134 | if (qt_wince_is_smartphone() || qt_wince_is_pocket_pc())
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| 135 | return QLatin1String("WindowsMobile");
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| 136 | else
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| 137 | return QLatin1String("WindowsCE");
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| 138 | #elif defined(Q_WS_WIN)
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| 139 | if ((QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA
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| 140 | && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
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| 141 | return QLatin1String("WindowsVista");
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| 142 | else if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP
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| 143 | && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based))
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| 144 | return QLatin1String("WindowsXP");
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| 145 | else
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| 146 | return QLatin1String("Windows"); // default styles for Windows
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| 147 | #elif defined(Q_WS_X11) && defined(Q_OS_SOLARIS)
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| 148 | return QLatin1String("CDE"); // default style for X11 on Solaris
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| 149 | #elif defined(Q_WS_S60)
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| 150 | return QLatin1String("S60"); // default style for Symbian with S60
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| 151 | #elif defined(Q_OS_SYMBIAN)
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| 152 | return QLatin1String("Windows"); // default style for Symbian without S60
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| 153 | #elif defined(Q_OS_OS2)
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| 154 | return QLatin1String("Windows"); // default style for OS/2
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| 155 | #elif defined(Q_WS_X11) && defined(Q_OS_IRIX)
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| 156 | return QLatin1String("SGI"); // default style for X11 on IRIX
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| 157 | #elif defined(Q_WS_QWS)
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| 158 | return QLatin1String("Plastique"); // default style for X11 and small devices
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| 159 | #elif defined(Q_WS_MAC)
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| 160 | return QLatin1String("Macintosh"); // default style for all Mac's
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| 161 | #elif defined(Q_WS_X11)
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| 162 | QString stylename;
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| 163 | switch(X11->desktopEnvironment) {
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| 164 | case DE_KDE:
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| 165 | stylename = QKde::kdeStyle();
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| 166 | break;
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| 167 | case DE_GNOME: {
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| 168 | QStringList availableStyles = QStyleFactory::keys();
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| 169 | // Set QGtkStyle for GNOME if available
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| 170 | QString gtkStyleKey = QString::fromLatin1("GTK+");
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| 171 | if (availableStyles.contains(gtkStyleKey)) {
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| 172 | stylename = gtkStyleKey;
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| 173 | break;
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| 174 | }
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| 175 | if (X11->use_xrender)
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| 176 | stylename = QLatin1String("cleanlooks");
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| 177 | else
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| 178 | stylename = QLatin1String("windows");
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| 179 | break;
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| 180 | }
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| 181 | case DE_CDE:
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| 182 | stylename = QLatin1String("cde");
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| 183 | break;
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| 184 | default:
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| 185 | // Don't do anything
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| 186 | break;
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| 187 | }
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| 188 | return stylename;
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| 189 | #endif
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| 190 | }
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| 191 |
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| 192 | /* return an additional default palette (only work on X11) */
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| 193 | QPalette QGuiPlatformPlugin::palette()
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| 194 | {
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| 195 | #ifdef Q_WS_X11
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| 196 | if (QApplication::desktopSettingsAware() && X11->desktopEnvironment == DE_KDE)
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| 197 | return QKde::kdePalette();
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| 198 | #endif
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| 199 |
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| 200 | return QPalette();
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| 201 | }
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| 202 |
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| 203 | /* the default icon theme name for QIcon::fromTheme. */
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| 204 | QString QGuiPlatformPlugin::systemIconThemeName()
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| 205 | {
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| 206 | QString result;
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| 207 | #ifdef Q_WS_X11
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| 208 | if (X11->desktopEnvironment == DE_GNOME) {
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| 209 | result = QString::fromLatin1("gnome");
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| 210 | #ifndef QT_NO_STYLE_GTK
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| 211 | result = QGtkStylePrivate::getGConfString(QLatin1String("/desktop/gnome/interface/icon_theme"), result);
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| 212 | #endif
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| 213 | } else if (X11->desktopEnvironment == DE_KDE) {
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| 214 | result = X11->desktopVersion >= 4 ? QString::fromLatin1("oxygen") : QString::fromLatin1("crystalsvg");
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| 215 | QSettings settings(QKde::kdeHome() + QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat);
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| 216 | settings.beginGroup(QLatin1String("Icons"));
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| 217 | result = settings.value(QLatin1String("Theme"), result).toString();
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| 218 | }
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| 219 | #endif
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| 220 | return result;
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| 221 | }
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| 222 |
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| 223 |
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| 224 | QStringList QGuiPlatformPlugin::iconThemeSearchPaths()
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| 225 | {
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| 226 | QStringList paths;
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| 227 | #if defined(Q_WS_X11)
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| 228 | QString xdgDirString = QFile::decodeName(getenv("XDG_DATA_DIRS"));
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| 229 | if (xdgDirString.isEmpty())
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| 230 | xdgDirString = QLatin1String("/usr/local/share/:/usr/share/");
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| 231 |
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| 232 | QStringList xdgDirs = xdgDirString.split(QLatin1Char(':'));
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| 233 |
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| 234 | for (int i = 0 ; i < xdgDirs.size() ; ++i) {
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| 235 | QDir dir(xdgDirs[i]);
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| 236 | if (dir.exists())
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| 237 | paths.append(dir.path() + QLatin1String("/icons"));
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| 238 | }
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| 239 | if (X11->desktopEnvironment == DE_KDE) {
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| 240 | paths << QLatin1Char(':') + QKde::kdeHome() + QLatin1String("/share/icons");
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| 241 | QStringList kdeDirs = QFile::decodeName(getenv("KDEDIRS")).split(QLatin1Char(':'));
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| 242 | for (int i = 0 ; i< kdeDirs.count() ; ++i) {
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| 243 | QDir dir(QLatin1Char(':') + kdeDirs.at(i) + QLatin1String("/share/icons"));
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| 244 | if (dir.exists())
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| 245 | paths.append(dir.path());
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| 246 | }
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| 247 | }
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| 248 |
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| 249 | // Add home directory first in search path
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| 250 | QDir homeDir(QDir::homePath() + QLatin1String("/.icons"));
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| 251 | if (homeDir.exists())
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| 252 | paths.prepend(homeDir.path());
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| 253 | #endif
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| 254 |
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| 255 | #if defined(Q_WS_WIN)
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| 256 | paths.append(qApp->applicationDirPath() + QLatin1String("/icons"));
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| 257 | #elif defined(Q_WS_MAC)
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| 258 | paths.append(qApp->applicationDirPath() + QLatin1String("/../Resources/icons"));
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| 259 | #endif
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| 260 | return paths;
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| 261 | }
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| 262 |
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| 263 | /* backend for QFileIconProvider, null icon means default */
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| 264 | QIcon QGuiPlatformPlugin::fileSystemIcon(const QFileInfo &)
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| 265 | {
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| 266 | return QIcon();
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| 267 | }
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| 268 |
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| 269 | /* Like QStyle::styleHint */
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| 270 | int QGuiPlatformPlugin::platformHint(PlatformHint hint)
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| 271 | {
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| 272 | int ret = 0;
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| 273 | switch(hint)
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| 274 | {
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| 275 | case PH_ToolButtonStyle:
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| 276 | ret = Qt::ToolButtonIconOnly;
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| 277 | #ifdef Q_WS_X11
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| 278 | if (X11->desktopEnvironment == DE_KDE && X11->desktopVersion >= 4
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| 279 | && QApplication::desktopSettingsAware()) {
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| 280 | ret = QKde::kdeToolButtonStyle();
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| 281 | }
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| 282 | #endif
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| 283 | break;
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| 284 | case PH_ToolBarIconSize:
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| 285 | #ifdef Q_WS_X11
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| 286 | if (X11->desktopEnvironment == DE_KDE && X11->desktopVersion >= 4
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| 287 | && QApplication::desktopSettingsAware()) {
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| 288 | ret = QKde::kdeToolBarIconSize();
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| 289 | }
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| 290 | #endif
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| 291 | //by default keep ret = 0 so QCommonStyle will use the style default
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| 292 | break;
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| 293 | default:
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| 294 | break;
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| 295 | }
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| 296 | return ret;
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| 297 | }
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| 298 |
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| 299 |
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| 300 | QT_END_NAMESPACE
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