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diff --git a/src/widgets/widgets/qscrollbar.h b/src/widgets/widgets/qscrollbar.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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 QSCROLLBAR_H
+#define QSCROLLBAR_H
+
+#include <QtGui/qwidget.h>
+#include <QtGui/qabstractslider.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_SCROLLBAR
+
+class QScrollBarPrivate;
+class QStyleOptionSlider;
+
+class Q_GUI_EXPORT QScrollBar : public QAbstractSlider
+{
+    Q_OBJECT
+public:
+    explicit QScrollBar(QWidget *parent=0);
+    explicit QScrollBar(Qt::Orientation, QWidget *parent=0);
+    ~QScrollBar();
+
+    QSize sizeHint() const;
+    bool event(QEvent *event);
+
+protected:
+    void paintEvent(QPaintEvent *);
+    void mousePressEvent(QMouseEvent *);
+    void mouseReleaseEvent(QMouseEvent *);
+    void mouseMoveEvent(QMouseEvent *);
+    void hideEvent(QHideEvent*);
+    void sliderChange(SliderChange change);
+#ifndef QT_NO_CONTEXTMENU
+    void contextMenuEvent(QContextMenuEvent *);
+#endif
+    void initStyleOption(QStyleOptionSlider *option) const;
+
+#ifdef QT3_SUPPORT
+public:
+    QT3_SUPPORT_CONSTRUCTOR QScrollBar(QWidget *parent, const char* name);
+    QT3_SUPPORT_CONSTRUCTOR QScrollBar(Qt::Orientation, QWidget *parent, const char* name);
+    QT3_SUPPORT_CONSTRUCTOR QScrollBar(int minValue, int maxValue, int lineStep, int pageStep,
+                int value, Qt::Orientation, QWidget *parent=0, const char* name = 0);
+    inline QT3_SUPPORT bool draggingSlider() { return isSliderDown(); }
+#endif
+
+private:
+    friend Q_GUI_EXPORT QStyleOptionSlider qt_qscrollbarStyleOption(QScrollBar *scrollBar);
+
+    Q_DISABLE_COPY(QScrollBar)
+    Q_DECLARE_PRIVATE(QScrollBar)
+};
+
+#endif // QT_NO_SCROLLBAR
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSCROLLBAR_H