t_app.py 文件源码

def kb_esc(self):
        '''Updates self.escape_presses, quits app when reached target value'''
        cfocus = focus.current_focus
        if cfocus:
            focus.remove_focus()
        else:
            if self.escape_presses == 1:
                self.stop()
            else:
                self.display_info_toast('Double press escape to quit')
                self.escape_presses += 1
                Clock.unschedule(self.reset_escape_presses)
                Clock.schedule_once(self.reset_escape_presses, 0.8)