def mouse_event(self, size, event, button, x, y, focus):
        if button != 1 or not urwid.util.is_mouse_press(event):
            return False

        self._emit('click')
        return True
Send 'click' signal on button 1 press.
dataset/ETHPy150Open taigaio/taiga-ncurses/taiga_ncurses/ui/widgets/mixins.py/KeyPressMixin.mouse_event