48e0c4df23
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/legal
|
|
**
|
|
** This file is part of the test suite of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** 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 Digia. For licensing terms and
|
|
** conditions see http://qt.digia.com/licensing. For further information
|
|
** use the contact form at http://qt.digia.com/contact-us.
|
|
**
|
|
** 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, Digia gives you certain additional
|
|
** rights. These rights are described in the Digia 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.
|
|
**
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
#include <QtGui>
|
|
|
|
#ifdef Q_WS_WIN
|
|
#define CALLGRIND_START_INSTRUMENTATION {}
|
|
#define CALLGRIND_STOP_INSTRUMENTATION {}
|
|
#else
|
|
#include "valgrind/callgrind.h"
|
|
#endif
|
|
|
|
#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"
|