micropython-micro-gui/gui/demos/menu.py

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Python
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2021-07-10 09:45:50 +00:00
# menu.py micro-gui demo of Menu class
# Released under the MIT License (MIT). See LICENSE.
# Copyright (c) 2021 Peter Hinch
import hardware_setup # Create a display instance
from gui.core.ugui import Screen, ssd
import gui.fonts.freesans20 as freesans20
from gui.core.writer import CWriter
from gui.widgets.menu import Menu
from gui.widgets.buttons import CloseButton
from gui.core.colors import *
class BaseScreen(Screen):
def __init__(self):
def cb(button, n):
print('Top level callback', n)
def cb_sm(lb, n):
print('Submenu callback', lb.value(), lb.textvalue(), n)
super().__init__()
mnu = (('Gas', cb_sm, (0,), ('Argon','Neon','Xenon','Radon')),
('Metal', cb_sm, (1,), ('Caesium', 'Lithium', 'Sodium', 'Potassium')),
('View', cb, (2,)))
wri = CWriter(ssd, freesans20, GREEN, BLACK, verbose=False)
Menu(wri, bgcolor=BLUE, textcolor=WHITE, args = mnu)
CloseButton(wri)
Screen.change(BaseScreen)