demo-04-20/menu.py

from draw import *

choices = ("imagination", "usb_key", "tron", "exit")
selection = 0
cursor = 0

try:
    while 1:
        try:
            clear_screen()
            fancy_text(0, 0, choices[selection].upper().replace("_", " "))
            while 1:
                show_screen()
                cursor += 1
                if cursor == 64:
                    cursor = 0
                    selection += 1
                    if selection == len(choices):
                        selection = 0
                    clear_screen()
                    fancy_text(0, 0, choices[selection].upper().replace("_", " "))
        except KeyboardInterrupt:
            assert choices[selection] != "exit"
            draw_string(0, 16, "Loading...")
            show_screen()
            try:
                play = __import__(choices[selection])
                play.main()
            except KeyboardInterrupt:
                pass
            clear_screen()
except AssertionError:
    print("Thanks for 'playing'!")