gitchat_ui.py 文件源码

def __init__(
            self, title, login,
            command_caption='Command: (Tab to switch focus to upper '
            'frame, where you can scroll text)\nType exit or quit '
            'to close', max_size=1000):
        self.header = urwid.Text(title)
        self.model = urwid.SimpleListWalker([])
        self.body = ListView(
            self.model, lambda: self._update_focus(False), max_size=max_size)
        self.input = Input(lambda: self._update_focus(True))
        foot = urwid.Pile([
            urwid.AttrMap(
                urwid.Text(command_caption),
                'reversed'),
            urwid.AttrMap(self.input, 'normal')])
        urwid.Frame.__init__(self,
                             urwid.AttrWrap(self.body, 'normal'),
                             urwid.AttrWrap(self.header, 'reversed'),
                             foot)
        self.set_focus_path(['footer', 1])
        self._focus = True
        urwid.connect_signal(self.input,
                             'line_entered',
                             self.on_line_entered)
        self._output_styles = [s[0] for s in self.PALLETE]
        self.eloop = None
        self.login = login