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diff --git a/src/designer/src/components/taskmenu/containerwidget_taskmenu.h b/src/designer/src/components/taskmenu/containerwidget_taskmenu.h
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+/****************************************************************************
+**
+** 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 Qt Designer 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef CONTAINERWIDGER_TASKMENU_H
+#define CONTAINERWIDGER_TASKMENU_H
+
+#include <qdesigner_taskmenu_p.h>
+#include <shared_enums_p.h>
+
+#include <extensionfactory_p.h>
+
+#include <QtCore/QPointer>
+
+QT_BEGIN_NAMESPACE
+
+class QDesignerFormWindowInterface;
+class QDesignerFormEditorInterface;
+class QDesignerContainerExtension;
+class QAction;
+class QMdiArea;
+class QWorkspace;
+class QMenu;
+class QWizard;
+
+namespace qdesigner_internal {
+
+class PromotionTaskMenu;
+
+// ContainerWidgetTaskMenu: Task menu for containers with extension
+
+class ContainerWidgetTaskMenu: public QDesignerTaskMenu
+{
+    Q_OBJECT
+public:
+    explicit ContainerWidgetTaskMenu(QWidget *widget, ContainerType type, QObject *parent = 0);
+    virtual ~ContainerWidgetTaskMenu();
+
+    virtual QAction *preferredEditAction() const;
+    virtual QList<QAction*> taskActions() const;
+
+private slots:
+    void removeCurrentPage();
+    void addPage();
+    void addPageAfter();
+
+protected:
+    QDesignerContainerExtension *containerExtension() const;
+    QList<QAction*> &containerActions() { return m_taskActions; }
+    int pageCount() const;
+
+private:
+    QDesignerFormWindowInterface *formWindow() const;
+
+private:
+    static QString pageMenuText(ContainerType ct, int index, int count);
+    bool canDeletePage() const;
+
+    const ContainerType m_type;
+    QWidget *m_containerWidget;
+    QDesignerFormEditorInterface *m_core;
+    PromotionTaskMenu *m_pagePromotionTaskMenu;
+    QAction *m_pageMenuAction;
+    QMenu *m_pageMenu;
+    QList<QAction*> m_taskActions;
+    QAction *m_actionDeletePage;
+};
+
+// WizardContainerWidgetTaskMenu: Provide next/back since QWizard
+// has modes in which the "Back" button is not visible.
+
+class WizardContainerWidgetTaskMenu : public ContainerWidgetTaskMenu {
+    Q_OBJECT
+public:
+    explicit WizardContainerWidgetTaskMenu(QWizard *w, QObject *parent = 0);
+
+    virtual QList<QAction*> taskActions() const;
+
+private:
+    QAction *m_nextAction;
+    QAction *m_previousAction;
+};
+
+
+// MdiContainerWidgetTaskMenu: Provide tile/cascade for MDI containers in addition
+
+class MdiContainerWidgetTaskMenu : public ContainerWidgetTaskMenu {
+    Q_OBJECT
+public:
+    explicit MdiContainerWidgetTaskMenu(QMdiArea *m, QObject *parent = 0);
+    explicit MdiContainerWidgetTaskMenu(QWorkspace *m, QObject *parent = 0);
+
+    virtual QList<QAction*> taskActions() const;
+private:
+    void initializeActions();
+
+    QAction *m_nextAction;
+    QAction *m_previousAction;
+    QAction *m_tileAction;
+    QAction *m_cascadeAction;
+};
+
+class ContainerWidgetTaskMenuFactory: public QExtensionFactory
+{
+    Q_OBJECT
+public:
+    explicit ContainerWidgetTaskMenuFactory(QDesignerFormEditorInterface *core, QExtensionManager *extensionManager = 0);
+
+protected:
+    virtual QObject *createExtension(QObject *object, const QString &iid, QObject *parent) const;
+
+private:
+    QDesignerFormEditorInterface *m_core;
+};
+
+}  // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // CONTAINERWIDGER_TASKMENU_H