def mouseReleaseEvent(self, event: QGraphicsSceneMouseEvent):
if event.button() == Qt.LeftButton:
self.__selection_rect.setVisible(False)
self.__sel_action = None
self.__selected_attrs = self.__selected_attrs_current
self.selection_changed.emit(self.__selected_attrs)
event.accept()
def mousePressEvent(self, event: QGraphicsSceneMouseEvent) -> None:
self.mousePressed.emit(event.pos(), event.button())
super().mousePressEvent(event)
event.accept()