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

        /****************************************************************************
        **
        ** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the example classes of the Qt Toolkit.
        **
        ** Licensees holding valid Qt Preview licenses may use this file in
        ** accordance with the Qt Preview License Agreement provided with the
        ** Software.
        **
        ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
        ** information about Qt Commercial License Agreements.
        **
        ** Contact info@trolltech.com if any conditions of this licensing are
        ** not clear to you.
        **
        ** 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 <cmath>

        static const int MouseCount = 7;

        int main(int argc, char **argv)
        {
            QApplication app(argc, argv);

            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();
        }