void myItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
 {
 	
 	 QPointF test = event->lastScenePos();
     std::cout << "x: " << test.x() << " ";
     std::cout << "y: " << test.y() << " ";
     std::cout << "index: " << index << std::endl;
     QGraphicsItem::mouseMoveEvent(event);
 }