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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "valgrind/callgrind.h"
#ifdef Q_WS_X11
extern void qt_x11_wait_for_window_manager(QWidget *);
#endif
class View : public QGraphicsView
{
Q_OBJECT
public:
View(QGraphicsScene *scene, QGraphicsItem *item)
: QGraphicsView(scene), _item(item)
{
}
protected:
void paintEvent(QPaintEvent *event)
{
static int n = 0;
if (n)
CALLGRIND_START_INSTRUMENTATION
QGraphicsView::paintEvent(event);
_item->moveBy(1, 1);
if (n)
CALLGRIND_STOP_INSTRUMENTATION
if (++n == 200)
qApp->quit();
}
private:
QGraphicsItem *_item;
};
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
if (argc < 2) {
qDebug("usage: ./%s <numItems>", argv[0]);
return 1;
}
QGraphicsScene scene(-150, -150, 300, 300);
scene.setItemIndexMethod(QGraphicsScene::NoIndex);
QGraphicsRectItem *item = scene.addRect(-50, -50, 100, 100, QPen(Qt::NoPen), QBrush(Qt::blue));
item->setFlag(QGraphicsItem::ItemIsMovable);
for (int i = 0; i < atoi(argv[1]); ++i) {
QGraphicsRectItem *child = scene.addRect(-5, -5, 10, 10, QPen(Qt::NoPen), QBrush(Qt::blue));
child->setPos(-50 + qrand() % 100, -50 + qrand() % 100);
child->setParentItem(item);
}
View view(&scene, item);
view.resize(300, 300);
view.show();
#ifdef Q_WS_X11
qt_x11_wait_for_window_manager(&view);
#endif
return app.exec();
}
#include "main.moc"
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