Re: [Pyobjc-dev] Returning BOOLs to Cocoa

[Bob S. <rsw...@tr...>]

Ronald -

We are using 0.9 and hope to release soon, so I haven't wanted to upgrade to
1.0b1 just yet.  However, when I add the call as you describe, Python tells
me "No attribute addDelegate_".  Is there some module I need to include?

Thanks for your help.
- Bob


----- Original Message ----- 
From: "Ronald Oussoren" <ous...@ci...>
To: "Bob Swerdlow" <rsw...@tr...>
Cc: <pyo...@li...>
Sent: Tuesday, July 22, 2003 1:56 PM
Subject: Re: [Pyobjc-dev] Returning BOOLs to Cocoa


>
> On Tuesday, 22 July, 2003, at 18:31, Bob Swerdlow wrote:
>
> > I seem to be missing something about BOOLs returned from python members
> > called for Cocoa delegates. :-(
> >
> > I implemented a Cocoa delegate for my window to support
> > windowShouldClose_( ) since I need to do some checking of user input
> > before
> > I allow the window to close.  However, no matter what I return, the
> > window
> > always closes.
> >
> > Originally, I just used:
> >     return 0
> > but I also tried:
> >     return objc.NO
> >
> > I added a print statement for when the code returns objc.NO and it
> > printed:
> >     returning FALSE
> >
> > What is the proper value to return so that Cocoa knows I don't want it
> > to go
> > on?
>
> Returninging 0, False or objc.NO should work. Are you using PyObjC
> 1.0b1? If you're using the 0.9 release, you have to tell the bridge
> that you intent implement a window delegate.
>
> I added 'self.tableView.window().addDelegate_(self)' in 'awakeFromNib'
> and the following method to the TableView example and that works as
> expected.
>
>    def windowShouldClose_(self, sender):
>        """ Window won't close """
>        print "Should Close?"
>        return 0
>
>
> Ronald
>
>
>
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