/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** 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 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 "mouse.h" #include #include static const int MouseCount = 7; //! [0] int main(int argc, char **argv) { QApplication app(argc, argv); qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); //! [0] //! [1] QGraphicsScene scene; scene.setSceneRect(-300, -300, 600, 600); //! [1] //! [2] scene.setItemIndexMethod(QGraphicsScene::NoIndex); //! [2] //! [3] for (int i = 0; i < MouseCount; ++i) { Mouse *mouse = new Mouse; mouse->setPos(::sin((i * 6.28) / MouseCount) * 200, ::cos((i * 6.28) / MouseCount) * 200); scene.addItem(mouse); } //! [3] //! [4] QGraphicsView view(&scene); view.setRenderHint(QPainter::Antialiasing); view.setBackgroundBrush(QPixmap(":/images/cheese.jpg")); //! [4] //! [5] view.setCacheMode(QGraphicsView::CacheBackground); view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate); view.setDragMode(QGraphicsView::ScrollHandDrag); //! [5] //! [6] view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice")); view.resize(400, 300); view.show(); QTimer timer; QObject::connect(&timer, SIGNAL(timeout()), &scene, SLOT(advance())); timer.start(1000 / 33); return app.exec(); } //! [6]