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/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qguiplatformplugin_p.h"
#include <qdebug.h>
#include "private/qfactoryloader_p.h"
#include "qstylefactory.h"
#include "qapplication.h"
#include "qplatformdefs.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 "qkde_p.h"
#include "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)
{
#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
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)
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 aditional 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();
}
/* backend for QIcon::fromTheme. A null icon means it uses the default backend */
QIcon QGuiPlatformPlugin::loadIcon(const QString &name)
{
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;
}
return ret;
}
QT_END_NAMESPACE
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