commander.py 文件源码

def __init__(self, title,
                 command_caption='Command:  (Tab to switch focus to upper frame, where you can scroll text)',
                 cmd_cb=None, 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._cmd = cmd_cb
        self._output_styles = [s[0] for s in self.PALLETE]
        self.eloop = None