tkinter example check (snippet)

Python tkinter (gui) example 'check'

Functions in program:

• def print_selection():

Modules used in program:

• import tkinter as tk

check

Python tkinter example: check

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import tkinter as tk


'''
'''

window = tk.Tk()
window.geometry('200x200')

lbl = tk.Label(window, bg='blue', width=20, text='empty')

def print_selection():
    if var1.get() is True and var2.get() is True:
        lbl.config(text='I love both')
    elif var1.get() is not True and var2.get() is True:
        lbl.config(text='I only love C++')
    elif var1.get() is True and var2.get() is not True:
        lbl.config(text='I only love Python')
    else:
        lbl.config(text='I do not love either')


var1 = tk.BooleanVar()
var2 = tk.BooleanVar()

# 创建复选按钮 CheckButton, 它的参数很大程度上
# 可以参考单选按钮 RadioButton.
c1 = tk.Checkbutton(
        window,
        text='Python',
        variable=var1,
        onvalue=True,
        offvalue=False,
        command=print_selection
    )
c2 = tk.Checkbutton(
        window,
        text='C++',
        variable=var2,
        onvalue=True,
        offvalue=False,
        command=print_selection
    )

lbl.pack()
c1.pack()
c2.pack()

window.mainloop()

Useful links

• Learn Tkinter: https://pythonbasics.org/tkinter/
• Wikipedia tkinter: https://en.wikipedia.org/wiki/Tkinter