treetools.py 文件源码

def get_indented_widget(self):
        widget = self.get_inner_widget()
        if not self.is_leaf:
            widget = urwid.Columns([('fixed', 1,
                [self.unexpanded_icon, self.expanded_icon][self.expanded]),
                widget], dividechars=1)
        indent_cols = self.get_indent_cols()
        return urwid.Padding(widget,
            width=('relative', 100), left=indent_cols)