Re: Very slow NSTableView
Re: Very slow NSTableView
- Subject: Re: Very slow NSTableView
- From: Quincey Morris <email@hidden>
- Date: Tue, 4 Jul 2017 01:10:41 -0700
On Jul 4, 2017, at 01:02 , Graham Cox <email@hidden> wrote:
>
> Is NSTableView documented anywhere to require layer backing?
Not that I know of. A couple of things to keep in mind:
— This thing about the dramatic effect *might* be specific to NSCell-based
table views (i.e. in a sense they no longer care about the performance of older
NSTableView drawing configurations). It may be that view-based table views are
more or less the same regardless of whether the views are layer-backed or not.
— Be careful with layer backing. I ran into a couple of cases (in Xcode 9 beta,
which may or may not be a relevant factor) where a sort of preferences window
(with lots of controls in it) had half of its contents simply disappear when to
top level view was layer backed.
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