[Tkinter-discuss] Redefine quit menu item on Mac to quit from a Twisted/Tkinter application?

Russell Owen rowen at u.washington.edu
Thu Apr 9 01:12:27 CEST 2009

Thank you very much!

That is exactly the information I needed. It worked perfectly. I  
already had a module that added a Quit/Exit menu for unix/Windows and  
I just modified it to map the "exit" command to my quit function on  
MacOS X. Just one new line of code and my application now quits  

-- Russell

On Apr 8, 2009, at 4:02 PM, Kevin Walzer wrote:

>> So I would like to find some way to modify the behavior of the  
>> MacOS X Aqua Tcl/Tk Quit menu item.
> Russell,
> This requires some Tcl code.
> According to the Tcl/Tk Aqua FAQ at http://wiki.tcl.tk/12987,  
> Command-Q (and the Quit menu item) trigger the kAEQuitApplication  
> event, which is mapped to Tcl's "exit" (identical to sys.exit)   
> command.
> The way to change this is to map the "exit" command to something  
> else. This is so trivial to do in Tcl that it's actually dangerous  
> (I've had apps crash on me because I named an image  
> "exit"). ...Something like this would probably get close to what  
> you're looking for:
> def printfoo:
> 	print "foo"
> self.createcommand('exit', printfoo)
> In other words, this should override the hard-coded "quit" function  
> by mapping the "exit" Tcl command to something else. Then you could  
> add your own event handler for Command-Q.

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