qguiplatformplugin_p.h File Reference

#include <QtCore/qplugin.h>
#include <QtCore/qfactoryinterface.h>
#include <QtGui/qdialog.h>

Go to the source code of this file.

Classes
class	QGuiPlatformPlugin
struct	QGuiPlatformPluginInterface

Macros
#define	QGuiPlatformPluginInterface_iid   "com.nokia.qt.QGuiPlatformPluginInterface"

Functions
QGuiPlatformPlugin *	qt_guiPlatformPlugin ()
	Return (an construct if necesseray) the Gui Platform plugin. More...

Macro Definition Documentation

QGuiPlatformPluginInterface_iid

#define QGuiPlatformPluginInterface_iid   "com.nokia.qt.QGuiPlatformPluginInterface"

Definition at line 77 of file qguiplatformplugin_p.h.

Referenced by qt_guiPlatformPlugin().

Function Documentation

qt_guiPlatformPlugin()

QGuiPlatformPlugin* qt_guiPlatformPlugin

(

)

Return (an construct if necesseray) the Gui Platform plugin.

Warning

This function is not part of the public interface.

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.

Definition at line 82 of file qguiplatformplugin.cpp.

Referenced by QGuiPlatformPlugin::colorDialogSetCurrentColor(), QApplicationPrivate::desktopStyleKey(), QIconLoader::ensureInitialized(), QFileIconProvider::icon(), QCommonStyle::pixelMetric(), QFileDialogPrivate::rootPath(), QColorDialog::setCurrentColor(), QColorDialog::setVisible(), QCommonStyle::styleHint(), QIconLoader::themeSearchPaths(), QIconLoader::updateSystemTheme(), QApplicationPrivate::x11_apply_settings(), and QColorDialog::~QColorDialog().

{
    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;
}