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# main.cpp Example File
graphicsview/collidingmice/main.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 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 GNU
     ** General Public Licensing requirements will be met:
     ** http://www.trolltech.com/products/qt/opensource.html
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://www.trolltech.com/products/qt/licensing.html or contact the
     ** sales department at sales@trolltech.com.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #include "mouse.h"

     #include <QtGui>

     #include <math.h>

     static const int MouseCount = 7;

     int main(int argc, char **argv)
     {
         QApplication app(argc, argv);
         qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));

         QGraphicsScene scene;
         scene.setSceneRect(-300, -300, 600, 600);
         scene.setItemIndexMethod(QGraphicsScene::NoIndex);

         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);
         }

         QGraphicsView view(&scene);
         view.setRenderHint(QPainter::Antialiasing);
         view.setBackgroundBrush(QPixmap(":/images/cheese.jpg"));
         view.setCacheMode(QGraphicsView::CacheBackground);
         view.setDragMode(QGraphicsView::ScrollHandDrag);
         view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice"));
         view.resize(400, 300);
         view.show();

         return app.exec();
     }