#include "MyDieRectItem.h" MyDieRectItem::MyDieRectItem(QObject *parent) : QObject(parent) { } MyDieRectItem::~MyDieRectItem() { } void MyDieRectItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { if (event->button() == Qt::LeftButton) { m_startPos = event->pos(); } } void MyDieRectItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) { if (event->button() == Qt::LeftButton) { emit signal_mouse(m_startPos, event->pos()); } }