Re: Gestures cause crash in Sierra
Re: Gestures cause crash in Sierra
- Subject: Re: Gestures cause crash in Sierra
- From: Tom Doan <email@hidden>
- Date: Wed, 30 Nov 2016 09:45:00 -0600
- Priority: normal
ITOT any gesture which could be interpreted as the start of a scroll
generated an immediate constrainBoundsRect call with +inf,+inf as
the origin (apparently a bug/feature in Sierra). My custom
NSClipView wasn't set up to handle the invalid coordinates (it
generally passes back whatever is sent to it) which causes the
crash. Replacing the origin with 0.0,0.0 fixes the problem, but that
doesn't help with our existing software.
> On Nov 23, 2016, at 13:32 , Tom Doan <email@hidden> wrote:
> >
> > OS Version: Mac OS X 10.12 (16A323)
>
> I´d suggest you try this on 10.12.1, in case it´s a known problem
> that´s fixed. If not, you should probably go ahead and submit a bug
> report with the exception message and backtrace. In cases like this,
> you´ll often get a "triage" response from Apple within a couple
> of days, telling you what additional information they´d like to see.
>
> If there´s anything rational to be concluded from the information
> you provided, it´s that the 2- and 3-finger swipe is by default a
> scroll, so is there any chance that your scroll range (content size
> and offset) is excessively large, or messed up in some way that you
> can see?
>
>
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