Naming question (was: [Pyobjc-dev] Cocoa Sheets)

[Ronald O. <ous...@ci...>]

I think we should add a function that allows you to declare that a  
method is used as the callback for a sheet, that way uses don't have to  
guess the right value of the signature string.

That brings me to a difficult question: How should we name that  
function.

How about:

	def NSSheetEndMethod(meth):
		return selector(meth, signature='v@:@ii')

Obvious alternatives are:
* NSEndSheetMethod
* NSSheetCallback

I'm afraid I don't see a way to automaticly detect that a method will  
be used as the callback for a sheet.

Ronald

On Wednesday, Jun 11, 2003, at 18:22 Europe/Amsterdam, Bob Swerdlow  
wrote:

> I'm trying to use
> NSApplication.beginSheet_modalForWindows_modalDelegate_didEndSelector_c 
> ontex
> tinfo_ to create a sheet on a window, but I don't seem to be setting  
> it up
> right .  When it goes to call the didEndSelector method I get a bus  
> error :(
>
> The method that I want called is defined in class MyClass as:
>     def sheedDidEnd_sheet_returnCode_contextInfo_(self, sheet,  
> returnCode,
> contextInfo):
>
> I'm trying to invoke the sheet as:
>
> application.beginSheet_modalForWindow_modalDelegate_didEndSelector_cont 
> extin
> fo( \
>             self.panel, self.window, self,
> sheedDidEnd_sheet_returnCode_contextInfo_selector, 0)
>
> where I have set up sheedDidEnd_sheet_returnCode_contextInfo_selector  
> with:
>     sheedDidEnd_sheet_returnCode_contextInfo_selector = objc.selector \
>         (sheedDidEnd_sheet_returnCode_contextInfo_, signature='v@:@ii')
>
> I don't see where the signature format is specified, so I took a guess  
> (!)
> How do I define the selector so that method gets called correctly?  Is  
> there
> a better way to do this?
>
> Thanks for your help.
>
> Bob Swerdlow
> COO
> Transpose
> rsw...@tr...
> 207-781-8284
> http://www.transpose.com
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