Re: Crash on [NSApp endSheet]
Re: Crash on [NSApp endSheet]
- Subject: Re: Crash on [NSApp endSheet]
- From: Mike Abdullah <email@hidden>
- Date: Thu, 3 Aug 2006 20:53:34 +0100
Have you got a [busySheet orderOut: self] call anywhere when ending
the sheet? 'Cause you certainly need one :)
Also, is it possible that the busySheet is actually getting released
and deallocated whilst on screen?
Mike.
On 3 Aug 2006, at 19:38, Jonas Oberschweiber wrote:
I thought of the NSProgressIndicator because of this: http://
www.cocoabuilder.com/archive/message/cocoa/2005/2/24/128946
But you're right, it still crashes when I comment the start and
stop animation lines out.
The busySheet still points to valid data when the endSheet gets
called, and I have just seen that it actually crashes after
endSheet, on function exit.
I think I found my bug. Thanks for pointing me in the right direction.
Jonas
Am 03.08.2006 um 20:23 schrieb Matt Neuburg:
On Thu, 3 Aug 2006 18:21:40 +0200, Jonas Oberschweiber
<email@hidden> said:
Hi,
In my application I have a sheet with a NSProgressIndicator in it:
[NSApp beginSheet: busySheet
modalForWindow: window
modalDelegate: self
didEndSelector: @selector
(didEndSheet:returnCode:contextInfo:)
contextInfo: nil];
[spinner startAnimation:self];
// Do some Core Data work
[spinner stopAnimation:self];
[NSApp endSheet:busySheet];
busySheet is an Outlet connected to my class via IB, same for
spinner, the NSProgressIndicator.
Everything works perfectly at first, but when [NSApp
endSheet:busySheet] gets called, all hell breaks loose and I get a
big crash.
So why do you tie the crash to the progress indicator? I'm not
saying you're
wrong, but you don't demonstrate that you're right, either. Is there
evidence for this? If you comment out the two lines starting with
"spinner"
and try again, does the crash happen now? Does the backtrace on
the "big
crash" indicate that the progress indicator is involved?
m.
--
matt neuburg, phd = email@hidden, <http://www.tidbits.com/matt/>
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