Menus

When your application allows you to perform more than one action, a menu is frequently the most common way to allow access to those actions:

How to do it...

The tkinter.Menu class allows us to create menus, submenus, actions, and separators. So, it provides everything we might need to create basic menus in our GUI-based application:

import tkinter


def set_menu(window, choices):
    menubar = tkinter.Menu(root)
    window.config(menu=menubar)

    def _set_choices(menu, choices):
        for label, command in choices.items():
            if isinstance(command, dict):
                # Submenu
                submenu = tkinter.Menu(menu)
                menu.add_cascade(label=label, menu=submenu)
                _set_choices...