Long live Qt 4.5!

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diff --git a/demos/arthurplugin/plugin.cpp b/demos/arthurplugin/plugin.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications 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 <QtDesigner/QDesignerContainerExtension>
+#include <QtDesigner/QDesignerCustomWidgetInterface>
+
+#include <QtCore/qplugin.h>
+#include <QtGui/QIcon>
+#include <QtGui/QPixmap>
+
+#include "xform.h"
+#include "pathdeform.h"
+#include "gradients.h"
+#include "pathstroke.h"
+#include "hoverpoints.h"
+#include "composition.h"
+
+QT_FORWARD_DECLARE_CLASS(QDesignerFormEditorInterface)
+
+static inline QString customWidgetDomXml(const QString &className)
+{
+    QString rc = QLatin1String("<ui language=\"c++\"><widget class=\"");
+    rc += className;
+    rc += QLatin1String("\" name=\"");
+    QString objectName = className;
+    objectName[0] = objectName.at(0).toLower();
+    rc += objectName;
+    rc += QLatin1String("\"/></ui>");
+    return rc;
+}
+
+class PathDeformRendererEx : public PathDeformRenderer
+{
+    Q_OBJECT
+public:
+    PathDeformRendererEx(QWidget *parent) : PathDeformRenderer(parent) { }
+    QSize sizeHint() const { return QSize(300, 200); }
+};
+
+class DemoPlugin : public QDesignerCustomWidgetInterface
+{
+    Q_INTERFACES(QDesignerCustomWidgetInterface)
+
+protected:
+    DemoPlugin(const QString &className);
+
+public:
+    QString name() const { return m_className; }
+    bool isContainer() const { return false; }
+    bool isInitialized() const { return m_initialized; }
+    QIcon icon() const { return QIcon(); }
+    QString codeTemplate() const { return QString(); }
+    QString whatsThis() const { return QString(); }
+    QString toolTip() const { return QString(); }
+    QString group() const { return "Arthur Widgets [Demo]"; }
+    void initialize(QDesignerFormEditorInterface *)
+    {
+        if (m_initialized)
+            return;
+        m_initialized = true;
+    }
+    QString domXml() const { return m_domXml; }
+
+private:
+    const QString m_className;
+    const QString m_domXml;
+    bool m_initialized;
+};
+
+DemoPlugin::DemoPlugin(const QString &className) :
+    m_className(className),
+    m_domXml(customWidgetDomXml(className)),
+    m_initialized(false)
+{
+}
+
+class DeformPlugin : public QObject, public DemoPlugin
+{
+    Q_OBJECT
+
+public:
+    DeformPlugin(QObject *parent = 0) : QObject(parent), DemoPlugin(QLatin1String("PathDeformRendererEx")) { }
+    QString includeFile() const { return "deform.h"; }
+
+    QWidget *createWidget(QWidget *parent)
+    {
+        PathDeformRenderer *deform = new PathDeformRendererEx(parent);
+        deform->setRadius(70);
+        deform->setAnimated(false);
+        deform->setFontSize(20);
+        deform->setText("Arthur Widgets Demo");
+
+        return deform;
+    }
+};
+
+class XFormRendererEx : public XFormView
+{
+    Q_OBJECT
+public:
+    XFormRendererEx(QWidget *parent) : XFormView(parent) {}
+    QSize sizeHint() const { return QSize(300, 200); }
+};
+
+class XFormPlugin : public QObject, public DemoPlugin
+{
+    Q_OBJECT
+public:
+    XFormPlugin(QObject *parent = 0) : QObject(parent), DemoPlugin(QLatin1String("XFormRendererEx")) { }
+    QString includeFile() const { return "xform.h"; }
+
+    QWidget *createWidget(QWidget *parent)
+    {
+        XFormRendererEx *xform = new XFormRendererEx(parent);
+        xform->setText("Qt - Hello World!!");
+        xform->setPixmap(QPixmap(":/trolltech/arthurplugin/bg1.jpg"));
+        return xform;
+    }
+};
+
+
+class GradientEditorPlugin : public QObject, public DemoPlugin
+{
+    Q_OBJECT
+public:
+    GradientEditorPlugin(QObject *parent = 0) : QObject(parent), DemoPlugin(QLatin1String("GradientEditor")) { }
+    QString includeFile() const { return "gradients.h"; }
+
+    QWidget *createWidget(QWidget *parent)
+    {
+        GradientEditor *editor = new GradientEditor(parent);
+        return editor;
+    }
+};
+
+class GradientRendererEx : public GradientRenderer
+{
+    Q_OBJECT
+public:
+    GradientRendererEx(QWidget *p) : GradientRenderer(p) { }
+    QSize sizeHint() const { return QSize(300, 200); }
+};
+
+class GradientRendererPlugin : public QObject, public DemoPlugin
+{
+    Q_OBJECT
+public:
+    GradientRendererPlugin(QObject *parent = 0) : QObject(parent), DemoPlugin(QLatin1String("GradientRendererEx")) { }
+    QString includeFile() const { return "gradients.h"; }
+
+    QWidget *createWidget(QWidget *parent)
+    {
+        GradientRenderer *renderer = new GradientRendererEx(parent);
+        renderer->setConicalGradient();
+        return renderer;
+    }
+};
+
+class PathStrokeRendererEx : public PathStrokeRenderer
+{
+    Q_OBJECT
+public:
+    PathStrokeRendererEx(QWidget *p) : PathStrokeRenderer(p) { }
+    QSize sizeHint() const { return QSize(300, 200); }
+};
+
+class StrokeRenderPlugin : public QObject, public DemoPlugin
+{
+    Q_OBJECT
+public:
+    StrokeRenderPlugin(QObject *parent = 0) : QObject(parent), DemoPlugin(QLatin1String("PathStrokeRendererEx")) { }
+    QString includeFile() const { return "pathstroke.h"; }
+
+    QWidget *createWidget(QWidget *parent)
+    {
+        PathStrokeRenderer *stroke = new PathStrokeRendererEx(parent);
+        return stroke;
+    }
+};
+
+
+class CompositionModePlugin : public QObject, public DemoPlugin
+{
+    Q_OBJECT
+public:
+    CompositionModePlugin(QObject *parent = 0) : QObject(parent), DemoPlugin(QLatin1String("CompositionRenderer")) { }
+    QString includeFile() const { return "composition.h"; }
+
+    QWidget *createWidget(QWidget *parent)
+    {
+        CompositionRenderer *renderer = new CompositionRenderer(parent);
+        renderer->setAnimationEnabled(false);
+        return renderer;
+    }
+};
+
+
+class ArthurPlugins : public QObject, public QDesignerCustomWidgetCollectionInterface
+{
+    Q_OBJECT
+    Q_INTERFACES(QDesignerCustomWidgetCollectionInterface)
+
+public:
+    ArthurPlugins(QObject *parent = 0);
+    QList<QDesignerCustomWidgetInterface*> customWidgets() const { return m_plugins; }
+
+private:
+    QList<QDesignerCustomWidgetInterface *> m_plugins;
+};
+
+ArthurPlugins::ArthurPlugins(QObject *parent) :
+    QObject(parent)
+{
+    m_plugins << new DeformPlugin(this)
+              << new XFormPlugin(this)
+              << new GradientEditorPlugin(this)
+              << new GradientRendererPlugin(this)
+              << new StrokeRenderPlugin(this)
+              << new CompositionModePlugin(this);
+}
+
+#include "plugin.moc"
+
+Q_EXPORT_PLUGIN2(ArthurPlugins, ArthurPlugins)