def mousePressEvent(self, event: QMouseEvent):
logger.debug("MousePressEvent")
if event.buttons() == Qt.LeftButton:
self.__mouse_press_pos = event.globalPos()
self.__command_handler.start_script()
if event.modifiers() == Qt.AltModifier:
self.__rubber_band.setGeometry(
QRect(self.__mouse_press_pos, QSize()))
self.__rubber_band.show()
self.__clear_selection()
def __handle_widget_release(self,
widget: GraphItem,
mouse_event: QMouseEvent):
if not mouse_event.modifiers() == Qt.ShiftModifier:
self.__clear_selection()
# Clear visible handles
self.__clear_handles()
if widget in self.__selection:
self.__remove_selection(widget)
else:
self.__add_selection(widget)