Re: SystemPreferences.app-panels not in action responder chain

[Enrico Sersale]

On 2006-09-16 14:16:46 +0300 Ingolf Jandt <i.jandt@web.de> wrote:

> I have written a simple NSPreferercePane (heir) for SystemPreferences.app to 
> set the Font defaults. The problem: The pane does not by default recieve the 
> font manager's changeFont: action message, and I have the strong feeling that 
> it should.

I'd try to put [[NSFontManager sharedFontManager] setDelegate: self] in the 
-didSelect method of your panel. (But perhaps I'm wrong...)

> I have inserted [NSApp setDelegate: self] to get my class into the action 
> responder chain and to test the rest of my code. Everything works fine then, 
> but this is obviously not the right way.
>
> Should the NSPreferencePane class be changed? Or must I send addNextResponder 
> to some object (which)? Or can I have missed some trivial step?
>
> As I said the panel is finished except of this detail, and I will send in the 
> code for review (commit if appropriate) as soon as this issue is solved.
>
> Ingolf
>
> code snippet for illustration:
>
> @implementation FontModule : NSPreferencePane
> ....
> - (void) setButtonAction: (id)sender
> {
>   NSFontManager *fontMgr=[NSFontManager sharedFontManager];
>   [fontMgr setSelectedFont: [previewTextField font]isMultiple:NO];
>   [fontMgr orderFrontFontPanel: self];
> }
> - (void) changeFont: (id) sender
> {
>   NSLog(@"changeFont: entered ..."); /*never reached without the [NSApp 
> setDelegate: self] hack*/
> ....
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