pyqt5 学习中遇到的问题

pyqt 信号 传参

stateChanged = pyqtSignal(object, object, object)
self.stateChanged.emit(self, State(prevState), State(newState))

    def onStateChanged(self, prev_state, new_state):

        #print('top onStateChanged ', prev_state, new_state)
        if self.callx_widget.state == State.Normal:
            self.callx_widget.ocx.getAbook()

        self.status_msg_label.setText(str(self.callx_widget.state))

pycharm 书签功能

pyqt 控件如何 一闪一闪 的提示用户