extra_widgets.py 文件源码

def keyReleaseEvent(self, event):
        if event.key() == QtCore.Qt.Key_Space and not event.isAutoRepeat():
            self.setDragMode(QtWidgets.QGraphicsView.NoDrag)
            self.setInteractive(False)
        elif event.key() == QtCore.Qt.Key_Control:
            self.setInteractive(False)
        else:
            super().keyReleaseEvent(event)