Re: [Rubycocoa-talk] @selector thingamabob.

[Jonathan P. <jp...@dc...>]

On 20 Jan 2006, at 20:49, Dave Howell wrote:

> 	def alertDidEnd_returnCode_contextInfo(theAlert)
> 		return
> 	end
>
> Unfortunately, I can't do anything but one-button messages, because  
> I can't get the return code back from the NSAlert. The call to  
> 'beginSheetModalForWindow...' looks like this in Objective-C:
>
> beginSheetModalForWindow:[someWindow window]
> 	modalDelegate:self
> 	didEndSelector:@selector(alertDidEnd:returnCode:contextInfo:)
> 	contextInfo:nil
>
> How exactly can I get a parameterized selector into this thing? In  
> other words,  how do I do
> 	@selector(alertDidEnd:returnCode:contextInfo:)
> in RubyCocoa?

Is your callback method being called? Your ruby method:

    def alertDidEnd_returnCode_contextInfo(theAlert)

doesn't have the right signature, because it's supposed to take three  
arguments:

    def alertDidEnd_returnCode_contextInfo(theAlert,code,context)

Does using the 'code' argument there work?

I think you can also use symbols for selectors (instead of strings)  
e.g.,  :alertDidEnd_returnCode_contextInfo. Don't think it makes any  
difference, just a matter of choice.

Hope that helps,
Jonathan