# Frame-based menus: for top-levels and components

from Tkinter import *                              # get widget classes
from tkMessageBox import *                         # get standard dialogs

def notdone():  
    showerror('Not implemented', 'Not yet available') 

def makemenu(parent):
    menubar = Frame(parent)                        # relief=RAISED, bd=2...
    menubar.pack(side=TOP, fill=X)
    
    fbutton = Menubutton(menubar, text='File', underline=0)
    fbutton.pack(side=LEFT)
    file = Menu(fbutton)
    file.add_command(label='New...',  command=notdone,     underline=0)
    file.add_command(label='Open...', command=notdone,     underline=0)
    file.add_command(label='Quit',    command=parent.quit, underline=0)
    fbutton.config(menu=file)

    ebutton = Menubutton(menubar, text='Edit', underline=0)
    ebutton.pack(side=LEFT)
    edit = Menu(ebutton, tearoff=0)
    edit.add_command(label='Cut',     command=notdone,     underline=0)
    edit.add_command(label='Paste',   command=notdone,     underline=0)
    edit.add_separator()
    ebutton.config(menu=edit)

    submenu = Menu(edit, tearoff=0)
    submenu.add_command(label='Spam', command=parent.quit, underline=0)
    submenu.add_command(label='Eggs', command=notdone,     underline=0)
    edit.add_cascade(label='Stuff',   menu=submenu,        underline=0)
    return menubar

if __name__ == '__main__':
    root = Tk()                                        # or TopLevel or Frame
    root.title('menu_frm')                             # set window-mgr info
    makemenu(root)                                     # associate a menu bar
    msg = Label(root, text='Frame menu basics')        # add something below 
    msg.pack(expand=YES, fill=BOTH)
    msg.config(relief=SUNKEN, width=40, height=7, bg='beige')
    root.mainloop()