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diff --git a/src/qt3support/widgets/q3buttongroup.h b/src/qt3support/widgets/q3buttongroup.h
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+++ b/src/qt3support/widgets/q3buttongroup.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 Qt3Support 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 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 Q3BUTTONGROUP_H
+#define Q3BUTTONGROUP_H
+
+#include <QtGui/qbuttongroup.h>
+#include <Qt3Support/q3groupbox.h>
+#include <QtCore/qmap.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Qt3SupportLight)
+
+class QAbstractButton;
+
+class Q_COMPAT_EXPORT Q3ButtonGroup : public Q3GroupBox
+{
+    Q_OBJECT
+    Q_PROPERTY(bool exclusive READ isExclusive WRITE setExclusive)
+    Q_PROPERTY(bool radioButtonExclusive READ isRadioButtonExclusive WRITE setRadioButtonExclusive)
+    Q_PROPERTY(int selectedId READ selectedId WRITE setButton)
+
+public:
+    Q3ButtonGroup(QWidget* parent=0, const char* name=0);
+    Q3ButtonGroup(const QString &title,
+                  QWidget* parent=0, const char* name=0);
+    Q3ButtonGroup(int columns, Qt::Orientation o,
+                  QWidget* parent=0, const char* name=0);
+    Q3ButtonGroup(int columns, Qt::Orientation o, const QString &title,
+                  QWidget* parent=0, const char* name=0);
+    ~Q3ButtonGroup();
+
+    bool isExclusive() const;
+    bool isRadioButtonExclusive() const { return radio_excl; }
+    void setExclusive(bool);
+    void setRadioButtonExclusive(bool);
+
+public:
+    int insert(QAbstractButton *, int id=-1);
+    void remove(QAbstractButton *);
+    QAbstractButton    *find(int id) const;
+    int id(QAbstractButton *) const;
+    int count() const;
+
+    void setButton(int id);
+
+    QAbstractButton *selected() const;
+    int selectedId() const;
+
+Q_SIGNALS:
+    void pressed(int id);
+    void released(int id);
+    void clicked(int id);
+
+protected Q_SLOTS:
+    void buttonPressed();
+    void buttonReleased();
+    void buttonClicked();
+
+protected:
+    bool event(QEvent * e);
+
+private Q_SLOTS:
+    void buttonDestroyed();
+
+private:
+    Q_DISABLE_COPY(Q3ButtonGroup)
+
+    void init();
+    void fixChildren() const;
+    int insert_helper(QAbstractButton* , int id=-1);
+    void remove_helper(QAbstractButton *);
+
+    bool excl_grp; // Not used.
+    bool radio_excl;
+    QMap<int, QAbstractButton*> buttonIds;
+    QButtonGroup group;
+};
+
+class Q_COMPAT_EXPORT Q3VButtonGroup : public Q3ButtonGroup
+{
+    Q_OBJECT
+public:
+    inline Q3VButtonGroup(QWidget* parent=0, const char* name=0)
+        : Q3ButtonGroup(1, Qt::Horizontal /* sic! */, parent, name) {}
+    inline Q3VButtonGroup(const QString &title, QWidget* parent=0, const char* name=0)
+        : Q3ButtonGroup(1, Qt::Horizontal /* sic! */, title, parent, name) {}
+
+private:
+    Q_DISABLE_COPY(Q3VButtonGroup)
+};
+
+
+class Q_COMPAT_EXPORT Q3HButtonGroup : public Q3ButtonGroup
+{
+    Q_OBJECT
+public:
+    inline Q3HButtonGroup(QWidget* parent=0, const char* name=0)
+        : Q3ButtonGroup(1, Qt::Vertical /* sic! */, parent, name) {}
+    inline Q3HButtonGroup(const QString &title, QWidget* parent=0, const char* name=0)
+        : Q3ButtonGroup(1, Qt::Vertical /* sic! */, title, parent, name) {}
+
+private:
+    Q_DISABLE_COPY(Q3HButtonGroup)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q3BUTTONGROUP_H