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Diffstat (limited to 'src/widgets/kernel/qguiplatformplugin.cpp')
| -rw-r--r-- | src/widgets/kernel/qguiplatformplugin.cpp | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/src/widgets/kernel/qguiplatformplugin.cpp b/src/widgets/kernel/qguiplatformplugin.cpp new file mode 100644 index 0000000000..708859d811 --- /dev/null +++ b/src/widgets/kernel/qguiplatformplugin.cpp @@ -0,0 +1,298 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qguiplatformplugin_p.h" +#include <qdebug.h> +#include <qfile.h> +#include <qdir.h> +#include <qsettings.h> +#include "private/qfactoryloader_p.h" +#include "qstylefactory.h" +#include "qapplication.h" +#include "qplatformdefs.h" +#include "qicon.h" + +#ifdef Q_WS_WINCE +#include "qguifunctions_wince.h" +extern bool qt_wince_is_smartphone(); //qguifunctions_wince.cpp +extern bool qt_wince_is_mobile(); //qguifunctions_wince.cpp +extern bool qt_wince_is_pocket_pc(); //qguifunctions_wince.cpp +#endif + + +#if defined(Q_WS_X11) +#include <private/qkde_p.h> +#include <private/qgtkstyle_p.h> +#include <private/qt_x11_p.h> +#endif + + +QT_BEGIN_NAMESPACE + + +/*! \internal + Return (an construct if necesseray) the Gui Platform plugin. + + The plugin key to be loaded is inside the QT_PLATFORM_PLUGIN environment variable. + If it is not set, it will be the DESKTOP_SESSION on X11. + + If no plugin can be loaded, the default one is returned. + */ +QGuiPlatformPlugin *qt_guiPlatformPlugin() +{ + static QGuiPlatformPlugin *plugin; + if (!plugin) + { +#ifndef QT_NO_LIBRARY + + QString key = QString::fromLocal8Bit(qgetenv("QT_PLATFORM_PLUGIN")); +#ifdef Q_WS_X11 + if (key.isEmpty()) { + switch(X11->desktopEnvironment) { + case DE_KDE: + key = QString::fromLatin1("kde"); + break; + default: + key = QString::fromLocal8Bit(qgetenv("DESKTOP_SESSION")); + break; + } + } +#endif + + if (!key.isEmpty() && QApplication::desktopSettingsAware()) { + QFactoryLoader loader(QGuiPlatformPluginInterface_iid, QLatin1String("/gui_platform")); + plugin = qobject_cast<QGuiPlatformPlugin *>(loader.instance(key)); + } +#endif // QT_NO_LIBRARY + + if(!plugin) { + static QGuiPlatformPlugin def; + plugin = &def; + } + } + return plugin; +} + + +/* \class QPlatformPlugin + QGuiPlatformPlugin can be used to integrate Qt applications in a platform built on top of Qt. + The application developer should not know or use the plugin, it is only used by Qt internaly. + + But full platform that are built on top of Qt may provide a plugin so 3rd party Qt application + running in the platform are integrated. + */ + +/* + The constructor can be used to install hooks in Qt + */ +QGuiPlatformPlugin::QGuiPlatformPlugin(QObject *parent) : QObject(parent) {} +QGuiPlatformPlugin::~QGuiPlatformPlugin() {} + + +/* return the string key to be used by default the application */ +QString QGuiPlatformPlugin::styleName() +{ +#if defined(Q_WS_WIN) && defined(Q_WS_WINCE) + if (qt_wince_is_smartphone() || qt_wince_is_pocket_pc()) + return QLatin1String("WindowsMobile"); + else + return QLatin1String("WindowsCE"); +#elif defined(Q_WS_WIN) + if ((QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA + && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) + return QLatin1String("WindowsVista"); + else if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP + && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) + return QLatin1String("WindowsXP"); + else + return QLatin1String("Windows"); // default styles for Windows +#elif defined(Q_WS_X11) && defined(Q_OS_SOLARIS) + return QLatin1String("CDE"); // default style for X11 on Solaris +#elif defined(Q_WS_S60) + return QLatin1String("S60"); // default style for Symbian with S60 +#elif defined(Q_OS_SYMBIAN) + return QLatin1String("Windows"); // default style for Symbian without S60 +#elif defined(Q_WS_X11) && defined(Q_OS_IRIX) + return QLatin1String("SGI"); // default style for X11 on IRIX +#elif defined(Q_WS_QWS) || defined(Q_WS_QPA) + return QLatin1String("Plastique"); // default style for X11 and small devices +#elif defined(Q_WS_MAC) + return QLatin1String("Macintosh"); // default style for all Mac's +#elif defined(Q_WS_X11) + QString stylename; + switch(X11->desktopEnvironment) { + case DE_KDE: + stylename = QKde::kdeStyle(); + break; + case DE_GNOME: { + QStringList availableStyles = QStyleFactory::keys(); + // Set QGtkStyle for GNOME if available + QString gtkStyleKey = QString::fromLatin1("GTK+"); + if (availableStyles.contains(gtkStyleKey)) { + stylename = gtkStyleKey; + break; + } + if (X11->use_xrender) + stylename = QLatin1String("cleanlooks"); + else + stylename = QLatin1String("windows"); + break; + } + case DE_CDE: + stylename = QLatin1String("cde"); + break; + default: + // Don't do anything + break; + } + return stylename; +#endif +} + +/* return an additional default palette (only work on X11) */ +QPalette QGuiPlatformPlugin::palette() +{ +#ifdef Q_WS_X11 + if (QApplication::desktopSettingsAware() && X11->desktopEnvironment == DE_KDE) + return QKde::kdePalette(); +#endif + + return QPalette(); +} + +/* the default icon theme name for QIcon::fromTheme. */ +QString QGuiPlatformPlugin::systemIconThemeName() +{ + QString result; +#ifdef Q_WS_X11 + if (X11->desktopEnvironment == DE_GNOME) { + result = QString::fromLatin1("gnome"); +#ifndef QT_NO_STYLE_GTK + result = QGtkStylePrivate::getGConfString(QLatin1String("/desktop/gnome/interface/icon_theme"), result); +#endif + } else if (X11->desktopEnvironment == DE_KDE) { + result = X11->desktopVersion >= 4 ? QString::fromLatin1("oxygen") : QString::fromLatin1("crystalsvg"); + QSettings settings(QKde::kdeHome() + QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat); + settings.beginGroup(QLatin1String("Icons")); + result = settings.value(QLatin1String("Theme"), result).toString(); + } +#endif + return result; +} + + +QStringList QGuiPlatformPlugin::iconThemeSearchPaths() +{ + QStringList paths; +#if defined(Q_WS_X11) + QString xdgDirString = QFile::decodeName(getenv("XDG_DATA_DIRS")); + if (xdgDirString.isEmpty()) + xdgDirString = QLatin1String("/usr/local/share/:/usr/share/"); + + QStringList xdgDirs = xdgDirString.split(QLatin1Char(':')); + + for (int i = 0 ; i < xdgDirs.size() ; ++i) { + QDir dir(xdgDirs[i]); + if (dir.exists()) + paths.append(dir.path() + QLatin1String("/icons")); + } + if (X11->desktopEnvironment == DE_KDE) { + paths << QLatin1Char(':') + QKde::kdeHome() + QLatin1String("/share/icons"); + QStringList kdeDirs = QFile::decodeName(getenv("KDEDIRS")).split(QLatin1Char(':')); + for (int i = 0 ; i< kdeDirs.count() ; ++i) { + QDir dir(QLatin1Char(':') + kdeDirs.at(i) + QLatin1String("/share/icons")); + if (dir.exists()) + paths.append(dir.path()); + } + } + + // Add home directory first in search path + QDir homeDir(QDir::homePath() + QLatin1String("/.icons")); + if (homeDir.exists()) + paths.prepend(homeDir.path()); +#endif + +#if defined(Q_WS_WIN) + paths.append(qApp->applicationDirPath() + QLatin1String("/icons")); +#elif defined(Q_WS_MAC) + paths.append(qApp->applicationDirPath() + QLatin1String("/../Resources/icons")); +#endif + return paths; +} + +/* backend for QFileIconProvider, null icon means default */ +QIcon QGuiPlatformPlugin::fileSystemIcon(const QFileInfo &) +{ + return QIcon(); +} + +/* Like QStyle::styleHint */ +int QGuiPlatformPlugin::platformHint(PlatformHint hint) +{ + int ret = 0; + switch(hint) + { + case PH_ToolButtonStyle: + ret = Qt::ToolButtonIconOnly; +#ifdef Q_WS_X11 + if (X11->desktopEnvironment == DE_KDE && X11->desktopVersion >= 4 + && QApplication::desktopSettingsAware()) { + ret = QKde::kdeToolButtonStyle(); + } +#endif + break; + case PH_ToolBarIconSize: +#ifdef Q_WS_X11 + if (X11->desktopEnvironment == DE_KDE && X11->desktopVersion >= 4 + && QApplication::desktopSettingsAware()) { + ret = QKde::kdeToolBarIconSize(); + } +#endif + //by default keep ret = 0 so QCommonStyle will use the style default + break; + default: + break; + } + return ret; +} + + +QT_END_NAMESPACE |