Re: Removing subview crashes host application
Re: Removing subview crashes host application
- Subject: Re: Removing subview crashes host application
- From: Charles Steinman <email@hidden>
- Date: Sat, 21 Apr 2007 13:00:38 -0700 (PDT)
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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