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diff --git a/src/widgets/widgets/qworkspace.h b/src/widgets/widgets/qworkspace.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 QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWORKSPACE_H
+#define QWORKSPACE_H
+
+#include <QtWidgets/qwidget.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_WORKSPACE
+
+class QAction;
+class QWorkspaceChild;
+class QShowEvent;
+class QWorkspacePrivate;
+
+class Q_GUI_EXPORT QWorkspace : public QWidget
+{
+    Q_OBJECT
+    Q_PROPERTY(bool scrollBarsEnabled READ scrollBarsEnabled WRITE setScrollBarsEnabled)
+    Q_PROPERTY(QBrush background READ background WRITE setBackground)
+
+public:
+    explicit QWorkspace(QWidget* parent=0);
+    ~QWorkspace();
+
+    enum WindowOrder { CreationOrder, StackingOrder };
+
+    QWidget* activeWindow() const;
+    QWidgetList windowList(WindowOrder order = CreationOrder) const;
+
+    QWidget * addWindow(QWidget *w, Qt::WindowFlags flags = 0);
+
+    QSize sizeHint() const;
+
+    bool scrollBarsEnabled() const;
+    void setScrollBarsEnabled(bool enable);
+
+#ifdef QT3_SUPPORT
+    QT3_SUPPORT_CONSTRUCTOR QWorkspace(QWidget* parent, const char* name);
+    QT3_SUPPORT void setPaletteBackgroundColor(const QColor &);
+    QT3_SUPPORT void setPaletteBackgroundPixmap(const QPixmap &);
+#endif
+
+    void setBackground(const QBrush &background);
+    QBrush background() const;
+
+Q_SIGNALS:
+    void windowActivated(QWidget* w);
+
+public Q_SLOTS:
+    void setActiveWindow(QWidget *w);
+    void cascade();
+    void tile();
+    void arrangeIcons();
+    void closeActiveWindow();
+    void closeAllWindows();
+    void activateNextWindow();
+    void activatePreviousWindow();
+
+protected:
+    bool event(QEvent *e);
+    void paintEvent(QPaintEvent *e);
+    void changeEvent(QEvent *);
+    void childEvent(QChildEvent *);
+    void resizeEvent(QResizeEvent *);
+    bool eventFilter(QObject *, QEvent *);
+    void showEvent(QShowEvent *e);
+    void hideEvent(QHideEvent *e);
+#ifndef QT_NO_WHEELEVENT
+    void wheelEvent(QWheelEvent *e);
+#endif
+
+private:
+    Q_DECLARE_PRIVATE(QWorkspace)
+    Q_DISABLE_COPY(QWorkspace)
+    Q_PRIVATE_SLOT(d_func(), void _q_normalizeActiveWindow())
+    Q_PRIVATE_SLOT(d_func(), void _q_minimizeActiveWindow())
+    Q_PRIVATE_SLOT(d_func(), void _q_showOperationMenu())
+    Q_PRIVATE_SLOT(d_func(), void _q_popupOperationMenu(const QPoint&))
+    Q_PRIVATE_SLOT(d_func(), void _q_operationMenuActivated(QAction *))
+    Q_PRIVATE_SLOT(d_func(), void _q_updateActions())
+    Q_PRIVATE_SLOT(d_func(), void _q_scrollBarChanged())
+
+    friend class QWorkspaceChild;
+};
+
+#endif // QT_NO_WORKSPACE
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QWORKSPACE_H