Re: NSScroller revision?
Re: NSScroller revision?
- Subject: Re: NSScroller revision?
- From: edward taffel <email@hidden>
- Date: Fri, 25 Apr 2014 16:16:50 -0400
On Apr 25, 2014, at 3:32 PM, Kyle Sluder <email@hidden> wrote:
> On Fri, Apr 25, 2014, at 12:20 PM, edward taffel wrote:
>> i just noticed & i’m not sure in which seed it occurred: NSScroller seems
>> to have undergone some revision. i now get this message:
>>
>> CoreAnimation: warning, deleted thread with uncommitted CATransaction;
>> created by:
>> 0 QuartzCore 0x00007fff96328ff6
>> _ZN2CA11Transaction4pushEv + 312
>> 1 QuartzCore 0x00007fff96328b29
>> _ZN2CA11Transaction15ensure_implicitEv + 273
>> 2 QuartzCore 0x00007fff963289c6
>> _ZN2CA11Transaction9set_valueEj12_CAValueTypePKv + 40
>> 3 QuartzCore 0x00007fff9632895a
>> +[CATransaction setDisableActions:] + 38
>> 4 AppKit 0x00007fff94005985
>> -[NSScrollerImp _updateLayerGeometry] + 68
>> 5 AppKit 0x00007fff94004f52
>> -[NSScroller(NSInternal2) _replaceScrollerImp] + 401
>> 6 AppKit 0x00007fff94164647 -[NSScroller
>> initWithFrame:] + 391
>> ...
>>
>> the message is logged about 10 seconds after launch, once for the
>> vertical scroller only; the scroller looks & behaves as expected. both
>> scrollers are programmatically added (not in ib).
>>
>> does anyone have any idea what the issue is?
>
> Often times this happens if an instance of a layer-backed NSView (of
> which NSScroll is an example) is deallocated on a background thread.
>
> Ensure that the last reference to your views is always released from the
> main thread.
>
> --Kyle Sluder
thanks kyle,
if this were the case, i should expect to see the same report for both scrollers; as they are allocated & released at the same code points, & i don’t pass the references around. but, i’ll do some checking to be sure.
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