main.py 文件源码

def set_escape_key(self, button, args):
        mode = args[0]
        widget = OptionsMenu(
            urwid.ListBox(urwid.SimpleFocusListWalker([
                urwid.Text("Press Enter when done"),
                urwid.AttrMap(KeyPrompt(
                    self.prefs["edit_escapes"][mode],
                    self.save_escape_key,
                    [mode]
                ), "opt_prompt")])),
            title="Set key for " + mode,
            **frame_theme()
        )

        app.loop.widget = urwid.Overlay(
            urwid.AttrMap(widget, "30"),
            app.loop.widget,
            align=("relative", 50),
            valign=("relative", 50),
            width=25, height=5
        )