"""Catch window destroy event.

XXX This doesn't work in an applet!
"""

from Tkinter import *

class App:

    def __init__(self, parent):
	self.parent = parent
	self.create_widgets()

    def create_widgets(self):
	self.button1 = Button(self.parent, text="Bye, bye",
			      command=self.bye_bye)
	self.button1.pack()

    def bye_bye(self):
	self.parent.quit()


# Boilerplate from here on...
if __name__ == '__main__':
    root = Tk()
    app = App(root)
    root.mainloop()