Kontron KTAM3874-pITX - Manual (Page 183)

KTD-S0057-I Page 179 Linux® Programming Examples (DebianTM)
KTAM3874/pITX Software Guide
#include <QtGui/QtGui>
#include <math.h>
#include "mouse.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.setViewportUpdateMode (QGraphicsView::BoundingRectViewportUpdate);
view.setDragMode (QGraphicsView::ScrollHandDrag);
view.setWindowTitle (QT_TRANSLATE_NOOP (QGraphicsView, "Colliding Mice"));
#if defined (Q_WS_S60) || defined (Q_WS_MAEMO_5) || defined (Q_WS_SIMULATOR)
view.showMaximized
();
#else
view.resize (400, 300);
view.show ();
#endif
QTimer timer;
QObject::connect (&timer, SIGNAL (timeout ()), &scene, SLOT (advance ()));
timer.start (1000 / 33);
return app.exec ();
}
File mouse.h (header with Qt
TM license see 'main.cpp'):
#ifndef MOUSE_H
#define MOUSE_H
#include <QtGui/QGraphicsItem>
class Mouse : public QGraphicsItem
{
public:
Mouse
();