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diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller_p.h b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/scroller_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SCROLLER_P_H
+#define SCROLLER_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 <QPoint>
+#include <QTimer>
+#include <QTime>
+
+#include "scroller.h"
+
+class AbstractScrollArea;
+
+class ScrollerPrivate
+{
+    Q_DECLARE_PUBLIC(Scroller)
+
+public:
+    enum State  {
+        Stopped,
+        Started,
+        ManualScrolling,
+        AutoScrolling
+    };
+
+    ScrollerPrivate(Scroller *scroller);
+    ~ScrollerPrivate();
+    void stopScrolling();
+    bool eventFilter(QObject *obj, QEvent *ev);
+
+    AbstractScrollArea *m_scrollArea;
+    qreal m_scrollFactor;
+    QPoint m_cursorPos;
+    QPointF m_speed;
+    State m_state;
+    QTime m_lastCursorTime;
+    QTime m_lastFrameTime;
+    QTimer m_scrollTimer;
+    int m_scrollSlowAccum;
+
+private Q_SLOTS:
+
+    void updateScrolling();
+
+private:
+
+    Q_DISABLE_COPY(ScrollerPrivate)
+    Scroller * const q_ptr;
+    QPointF mapToScrollArea(const QPoint &point);
+    QWidget *m_eventViewport;
+};
+
+#endif // SCROLLER_P_H