Long live Qt 4.5!

1 files changed, 110 insertions, 0 deletions

diff --git a/src/gui/painting/qgraphicssystemfactory.cpp b/src/gui/painting/qgraphicssystemfactory.cpp
new file mode 100644
index 0000000..d6afa53
--- /dev/null
+++ b/src/gui/painting/qgraphicssystemfactory.cpp
@@ -0,0 +1,110 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgraphicssystemfactory_p.h"
+#include "qgraphicssystemplugin_p.h"
+#include "private/qfactoryloader_p.h"
+#include "qmutex.h"
+
+#include "qapplication.h"
+#include "qgraphicssystem_raster_p.h"
+#include "qdebug.h"
+
+QT_BEGIN_NAMESPACE
+
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
+    (QGraphicsSystemFactoryInterface_iid, QLatin1String("/graphicssystems"), Qt::CaseInsensitive))
+#endif
+
+QGraphicsSystem *QGraphicsSystemFactory::create(const QString& key)
+{
+    QGraphicsSystem *ret = 0;
+    QString system = key.toLower();
+
+#if defined (QT_GRAPHICSSYSTEM_OPENGL)
+    if (system.isEmpty()) {
+        system = QLatin1String("opengl");
+    }
+#elif defined (QT_GRAPHICSSYSTEM_RASTER) && !defined(Q_WS_WIN)
+    if (system.isEmpty()) {
+        system = QLatin1String("raster");
+    }
+#endif
+
+    if (system == QLatin1String("raster"))
+        return new QRasterGraphicsSystem;
+    else if (system.isEmpty() || system == QLatin1String("native"))
+        return 0;
+
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+    if (!ret) {
+        if (QGraphicsSystemFactoryInterface *factory = qobject_cast<QGraphicsSystemFactoryInterface*>(loader()->instance(system)))
+            ret = factory->create(system);
+    }
+#endif
+
+    if (!ret)
+        qWarning() << "Unable to load graphicssystem" << system;
+
+    return ret;
+}
+
+/*!
+    Returns the list of valid keys, i.e. the keys this factory can
+    create styles for.
+
+    \sa create()
+*/
+QStringList QGraphicsSystemFactory::keys()
+{
+#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
+    QStringList list = loader()->keys();
+#else
+    QStringList list;
+#endif
+    if (!list.contains(QLatin1String("Raster")))
+        list << QLatin1String("raster");
+    return list;
+}
+
+QT_END_NAMESPACE
+