tests/benchmarks/uimodels/GraphicsViewBenchmark/widgets/abstractscrollarea.h
changeset 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/benchmarks/uimodels/GraphicsViewBenchmark/widgets/abstractscrollarea.h	Tue Feb 02 00:43:10 2010 +0200
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ABSTRACTSCROLLAREA_H
+#define ABSTRACTSCROLLAREA_H
+
+#include "gvbwidget.h"
+
+class ScrollBar;
+class QGraphicsGridLayout;
+
+class AbstractScrollArea : public GvbWidget
+{
+    Q_OBJECT
+
+public:
+
+    AbstractScrollArea(QGraphicsWidget *parent = 0);
+    ~AbstractScrollArea();
+
+public:
+
+    void setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy policy);
+    void setVerticalScrollBarPolicy(Qt::ScrollBarPolicy policy);
+    Qt::ScrollBarPolicy verticalScrollBarPolicy() const;
+    Qt::ScrollBarPolicy horizontalScrollBarPolicy() const;
+
+    QGraphicsWidget *viewport() const;
+    void setViewport(QGraphicsWidget *viewport);
+
+    ScrollBar *verticalScrollBar() const;
+    ScrollBar *horizontalScrollBar() const;
+
+signals:
+
+    void viewportChanged(QGraphicsWidget *viewport);
+
+protected:
+
+    virtual bool event(QEvent *e);
+    virtual void scrollContentsBy(qreal dx, qreal dy);
+
+private slots:
+
+    void verticalScrollStart();
+    void verticalScroll(qreal);
+    void horizontalScrollStart();
+    void horizontalScroll(qreal);
+
+private:
+
+    void adjustScrollBars();
+
+    QGraphicsWidget *m_viewport;
+    ScrollBar *m_horizontalScrollBar; 
+    ScrollBar *m_verticalScrollBar; 
+    Qt::ScrollBarPolicy m_verticalScrollBarPolicy;
+    Qt::ScrollBarPolicy m_horizontalScrollBarPolicy;
+    qreal m_prevHorizontalValue;
+    qreal m_prevVerticalValue;
+};
+
+#endif // ABSTRACTSCROLLAREA_H