calc.py 文件源码

def __init__(self):
        self.head = urwid.AttrWrap(
            urwid.Text(["Help Column ", ('key',"?")],
                layout = CALC_LAYOUT),
            'help')
        self.foot = urwid.AttrWrap(
            urwid.Text(["[text continues.. press ",
            ('key',"?"), " then scroll]"]), 'helpnote' )
        self.items = [urwid.Text(x) for x in self.help_text]
        self.listbox = urwid.ListBox(urwid.SimpleListWalker(self.items))
        self.body = urwid.AttrWrap( self.listbox, 'help' )
        self.frame = urwid.Frame( self.body, header=self.head)