display.py 文件源码

def show_help(self):
        """Create and return Frame object containing help docs."""
        # Flags are gr8 against bugs.
        self.help_flag = True

        help_header = ur.Text(("green", "SSHCHAN HELP"), "center")
        pg1 = ur.Text(
            [("bold", "sshchan "), "is a textboard environment designed \
to run on remote SSH servers with multiple anonymous users simultaneously \
browsing and posting."], "center")
        pg2 = ur.Text(("bold", "Keybindings:"))
        pg3 = ur.Text([("green", "TAB"),
                       (
                           None,
                           " - switch focus between main body and top bar")])
        pg4 = ur.Text(
            [("green", "H h"), (None, " - display this help dialog")])
        pg5 = ur.Text(
            [("green", "B b"), (None, " - view available boards")])
        pg6 = ur.Text(
            [("green", "ESC"),
             (
                 None,
                 " - go back one screen (exits on MOTD screen)")])

        back_btn = ur.AttrMap(
            ur.Button("Back", self.button_press, "back"), "red", "reverse")

        help_body = ur.Padding(ur.ListBox(ur.SimpleListWalker([
            self.div, help_header, self.div, pg1, self.div, pg2,
            pg3, pg4, pg5, pg6, self.div, back_btn])),
            "center", self.width, 0, self.margin, self.margin)

        return ur.AttrMap(ur.Frame(help_body, self.header, self.footer,
                                   "body"), "bg")