cmenu.py 文件源码

def open_box(self, box):
        self.original_widget = urwid.Overlay(urwid.LineBox(box),
            self.original_widget,
            align='center', width=('relative', 80),
            valign='middle', height=('relative', 80),
            min_width=24, min_height=8,
            left=self.box_level * 3,
            right=(self.max_box_levels - self.box_level - 1) * 3,
            top=self.box_level * 2,
            bottom=(self.max_box_levels - self.box_level - 1) * 2)
        self.box_level += 1