[Openmcl-devel] number of args for #/addObserver:selector:name:object

Arthur W Cater arthur.cater at ucd.ie
Wed Dec 17 03:04:44 PST 2008

Grovelling apologies!
I am missing the arg that says what the observing object is. Duh.

----- Original Message -----
From: Arthur W Cater <arthur.cater at ucd.ie>
Date: Wednesday, December 17, 2008 10:54 am
Subject: [Openmcl-devel] number of args for	#/addObserver:selector:name:object
To: Openmcl-devel <Openmcl-devel at clozure.com>

> Please advise me: I do not understand why 5 args are required. 

> ;Compiler warnings for "/Users/arthur/goblin/current/openmcl.lisp" :
> ;   In USER-PICK-COLOR: In the call to NEXTSTEP-FUNCTIONS:|addObserver:selector:name:object:| with arguments ((NEXTSTEP-FUNCTIONS:|defaultCenter| NS:NS-NOTIFICATION-CENTER) (OBJC:@SELECTOR NEXTSTEP-FUNCTIONS:|NSWindowWillCloseNotification|) NIL PANEL),
> ;     4 arguments were provided, but at least 5 are required
> ;     by the current global definition of NEXTSTEP-FUNCTIONS:|addObserver:selector:name:object:|

> Incidentally, the reason I'm doing this is to get a modal USER-PICK-COLOR function,
> the only way I can think of getting a #/stopModal message is by reacting to the NSWindowWillCloseNotification, if anyone has advice on a better way I am all ears!

> Arthur
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