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SystemPreferences.app-panels not in action responder chain

From: Ingolf Jandt
Subject: SystemPreferences.app-panels not in action responder chain
Date: Sat, 16 Sep 2006 13:16:46 +0200

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 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.


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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