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Re: Removing subview crashes host application
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Re: Removing subview crashes host application


  • Subject: Re: Removing subview crashes host application
  • From: Ken Tozier <email@hidden>
  • Date: Sat, 21 Apr 2007 17:04:42 -0400

Thanks Chuck

I looked at http://developer.apple.com/technotes/tn2004/tn2124.html for how to set NSZombieEnabled which states that you add it to the "Executables" item in Xcode but my code lives in a plugin and the "Executables" item is empty. How do I turn this on for a plugin?

Thanks

Ken




On Apr 21, 2007, at 4:00 PM, Charles Steinman wrote:

It sounds like something else still wants to talk to
the view. I suggest setting NSZombieEnabled.

Cheers,
Chuck

--- Ken Tozier <email@hidden> wrote:

Hi

I have a multipurpose custom view class inside a
plugin palette that
changes it's entire contents in response to various
runtime
contextual information. What I'm trying to do is
delete everything
inside the custom view when major context changes
occur but am
finding that when I do the following, the host app
crashes

id	sub		= [[contextView subviews] objectAtIndex: 0];
[sub removeFromSuperview];
[sub autorelease];	// <- commenting this out has no
effect on the
crashes

Here's the crash log

Thread 0 Crashed:
0   libobjc.A.dylib                	0x90a53387
objc_msgSend + 23
1   com.apple.AppKit               	0x93567bf6
carbonAppEventLoopObserverHandler + 529
2   com.apple.HIToolbox            	0x92dcc17e
_NotifyEventLoopObservers + 162
3   com.apple.HIToolbox            	0x92dce6a0
PostEventToQueueInternal + 861
4   com.apple.HIToolbox            	0x92dd22a7
ConvertPlatformEventRecordAndPostWithOptions + 7056
5   com.apple.HIToolbox            	0x92dd06ea
PullEventsFromWindowServerOnConnection + 844
6   com.apple.HIToolbox            	0x92dd0371
MessageHandler + 44
7   com.apple.CoreFoundation       	0x90838773
__CFMachPortPerform + 136
8   com.apple.CoreFoundation       	0x90828a14
CFRunLoopRunSpecific +
2904
9   com.apple.CoreFoundation       	0x90827eb5
CFRunLoopRunInMode + 61
10  com.apple.HIToolbox            	0x92dcdb90
RunCurrentEventLoopInMode + 285
11  com.apple.HIToolbox            	0x92dcd297
ReceiveNextEventCommon
+ 385
12  com.apple.HIToolbox            	0x92e15929
_AcquireNextEvent + 58
13  com.apple.HIToolbox            	0x92e15774
RunApplicationEventLoop + 150
14  com.quark.QuarkXPress          	0x00189da4 main
+ 208
15  com.quark.QuarkXPress          	0x00002e7a
_start + 216
16  com.quark.QuarkXPress          	0x00002da1 start
+ 41


Am I deleting the subview incorrectly?

Any help appreciated.

Ken
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  • Follow-Ups:
    • Re: Removing subview crashes host application
      • From: Uli Kusterer <email@hidden>
References: 
 >Re: Removing subview crashes host application (From: Charles Steinman <email@hidden>)

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