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diff --git a/src/widgets/widgets/qabstractscrollarea_p.h b/src/widgets/widgets/qabstractscrollarea_p.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 QABSTRACTSCROLLAREA_P_H
+#define QABSTRACTSCROLLAREA_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qframe_p.h"
+#include "qabstractscrollarea.h"
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_SCROLLAREA
+
+class QScrollBar;
+class QAbstractScrollAreaScrollBarContainer;
+class Q_GUI_EXPORT QAbstractScrollAreaPrivate: public QFramePrivate
+{
+    Q_DECLARE_PUBLIC(QAbstractScrollArea)
+
+public:
+    QAbstractScrollAreaPrivate();
+
+    void replaceScrollBar(QScrollBar *scrollBar, Qt::Orientation orientation);
+
+    QAbstractScrollAreaScrollBarContainer *scrollBarContainers[Qt::Vertical + 1];
+    QScrollBar *hbar, *vbar;
+    Qt::ScrollBarPolicy vbarpolicy, hbarpolicy;
+
+    QWidget *viewport;
+    QWidget *cornerWidget;
+    QRect cornerPaintingRect;
+#ifdef Q_WS_MAC
+    QRect reverseCornerPaintingRect;
+#endif
+    int left, top, right, bottom; // viewport margin
+
+    int xoffset, yoffset;
+    QPoint overshoot;
+
+    void init();
+    void layoutChildren();
+    // ### Fix for 4.4, talk to Bjoern E or Girish.
+    virtual void scrollBarPolicyChanged(Qt::Orientation, Qt::ScrollBarPolicy) {}
+    bool canStartScrollingAt( const QPoint &startPos );
+
+    void _q_hslide(int);
+    void _q_vslide(int);
+    void _q_showOrHideScrollBars();
+
+    virtual QPoint contentsOffset() const;
+
+    inline bool viewportEvent(QEvent *event)
+    { return q_func()->viewportEvent(event); }
+    QScopedPointer<QObject> viewportFilter;
+
+#ifdef Q_WS_WIN
+    bool singleFingerPanEnabled;
+    void setSingleFingerPanEnabled(bool on = true);
+#endif
+};
+
+class QAbstractScrollAreaFilter : public QObject
+{
+    Q_OBJECT
+public:
+    QAbstractScrollAreaFilter(QAbstractScrollAreaPrivate *p) : d(p)
+    { setObjectName(QLatin1String("qt_abstractscrollarea_filter")); }
+    bool eventFilter(QObject *o, QEvent *e)
+    { return (o == d->viewport ? d->viewportEvent(e) : false); }
+private:
+    QAbstractScrollAreaPrivate *d;
+};
+
+class QBoxLayout;
+class QAbstractScrollAreaScrollBarContainer : public QWidget
+{
+public:
+    enum LogicalPosition { LogicalLeft = 1, LogicalRight = 2 };
+
+    QAbstractScrollAreaScrollBarContainer(Qt::Orientation orientation, QWidget *parent);
+    void addWidget(QWidget *widget, LogicalPosition position);
+    QWidgetList widgets(LogicalPosition position);
+    void removeWidget(QWidget *widget);
+
+    QScrollBar *scrollBar;
+    QBoxLayout *layout;
+private:
+    int scrollBarLayoutIndex() const;
+
+    Qt::Orientation orientation;
+};
+
+#endif // QT_NO_SCROLLAREA
+
+QT_END_NAMESPACE
+
+#endif // QABSTRACTSCROLLAREA_P_H