#include #include #include #include "MyRect.h" int main(int argc, char *argv[]) { QApplication a(argc, argv); MyRect* rect = new MyRect(); rect->setRect(0,0,100,100); rect->setFlag(QGraphicsItem::ItemIsFocusable); rect->setFocus(); QGraphicsScene* scene = new QGraphicsScene(); scene->addItem(rect); QGraphicsView* view = new QGraphicsView(scene); view->show(); return a.exec(); }