> On 10 May 2015, at 2:26 pm, David Durkee <da...@dwdurkee.com> wrote:
> 
> Although this can be a pain if the control is in a view that also scrolls. I 
> think some Adobe applications have this issue. 


Many apps do, because of the way NSResponder works by passing unhandled events 
to the next responder. It happens with any nested scroll views, or any other 
view that implements the -scrollWheel: method.

I’m not sure if there’s any way to resolve it, because the target of a scroll 
wheel event is given solely by its frame, not whether it’s key, etc. One way 
would be to require a modifier key, but since that’s it's widely implemented 
that way, it isn’t very discoverable.

—Graham



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