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diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/button.h b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/button.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 BUTTON_H
+#define BUTTON_H
+
+#include <QGraphicsWidget>
+
+class ButtonPrivate;
+class QTextDocument;
+
+class QPixmap;
+class QFont;
+
+class Button : public QGraphicsWidget
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(Button)
+
+public:
+
+    Button(const QString &text, QGraphicsItem *parent=0, QSizeF minimumSize = QSizeF());
+    virtual ~Button();
+
+signals:
+
+    void clicked(bool checked = false);
+    void pressed();
+    void released();
+
+public slots:
+
+    void themeChange();
+    void setText(const QString &text);
+    QString text();
+
+public:
+
+    void setBackground(QPixmap& background);
+    bool isDown();
+    void select(bool select){m_selected = select;}
+    void click() {emit clicked();}
+
+private:
+
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+            QWidget *widget = 0);
+    QSizeF sizeHint(Qt::SizeHint which,
+        const QSizeF &constraint = QSizeF()) const;
+
+    void mousePressEvent(QGraphicsSceneMouseEvent *event);
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+    void resizeEvent(QGraphicsSceneResizeEvent *event);
+
+private:
+    Q_DISABLE_COPY(Button)
+    ButtonPrivate *d_ptr;
+    QPixmap m_background;
+    QFont m_font;
+    bool m_selected;
+};
+
+#endif // BUTTON_H