1 from Tkinter import *

     2 

     3 # This file shows how to trap the killing of a window

     4 # when the user uses window manager menus (typ. upper left hand corner

     5 # menu in the decoration border).

     6 

     7 

     8 ### ******* this isn't really called -- read the comments

     9 def my_delete_callback():

    10     print "whoops -- tried to delete me!"

    11 

    12 class Test(Frame):

    13     def deathHandler(self, event):

    14         print self, "is now getting nuked. performing some save here...."

    15 

    16     def createWidgets(self):

    17         # a hello button

    18         self.hi_there = Button(self, text='Hello')

    19         self.hi_there.pack(side=LEFT)

    20 

    21     def __init__(self, master=None):

    22         Frame.__init__(self, master)

    23         Pack.config(self)

    24         self.createWidgets()

    25 

    26         ###

    27         ###  PREVENT WM kills from happening

    28         ###

    29 

    30         # the docs would have you do this:

    31 

    32 #       self.master.protocol("WM_DELETE_WINDOW", my_delete_callback)

    33 

    34         # unfortunately, some window managers will not send this request to a window.

    35         # the "protocol" function seems incapable of trapping these "aggressive" window kills.

    36         # this line of code catches everything, tho. The window is deleted, but you have a chance

    37         # of cleaning up first.

    38         self.bind_all("<Destroy>", self.deathHandler)

    39 

    40 

    41 test = Test()

    42 test.mainloop()