#!python
# -*- mode: python; Encoding: utf-8; coding: utf-8 -*-
# Last updated: <2022/12/06 06:43:27 +0900>
"""
Test tkinter.Checkbutton

Windows10 x64 22H2 + Python 3.9.13 64bit
"""

import tkinter as tk
from functools import partial


CHK_LIST = [
    ["Apple", True],
    ["Orange", True],
    ["Lemon", False],
    ["Peach", False],
    ["Banana", True],
    ["strawberry", True],
]


def click_cb(n):
    """Click Checkbutton."""
    global cbs, cb_values, msg
    name = cbs[n].cget("text")
    value = cb_values[n].get()
    msg.set(f"{name} (id={n}) is {value}")


def click_button():
    """Toggle Checkbuttons value."""
    global cb_values
    for cb in cb_values:
        if True:
            v = cb.get()
            cb.set(not v)
        else:
            cb.toggle()


root = tk.Tk()
root.title("Test Checkbutton")
root.geometry("400x400")

# create Label
msg = tk.StringVar(value="Message")
lbl = tk.Label(root, textvariable=msg, borderwidth=2, relief="ridge",
               font=("Arial", "18", "normal"))

# create Button
button = tk.Button(root, text="Toggle", command=click_button)

# create Checkbuttons
cb_values = []
cbs = []
for i, d in enumerate(CHK_LIST):
    def_text, def_value = d

    # reserve Checkbutton value
    cb_values.append(tk.BooleanVar(value=def_value))

    # create Checkbutton
    cb = tk.Checkbutton(root, text=def_text, variable=cb_values[i],
                        command=lambda i=i: click_cb(i),
                        # command = partial(click_cb, i),
                        # command = click_cb(i),
                        # command = lambda: click_cb(i),
                        )
    cbs.append(cb)
    cbs[i].pack()

lbl.pack()
button.pack()

root.mainloop()