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Re: Mac OS Sierra tab feature breaks C-x 5 2

From: Anders Lindgren
Subject: Re: Mac OS Sierra tab feature breaks C-x 5 2
Date: Mon, 10 Jul 2017 21:17:58 +0200


Unfortunately, it doesn't compile. I get the following error when I build on 10.10.5:

nsterm.m:7078:26: error: use of undeclared identifier 'NSWindowTabbingModeDisallowed'
    [win setTabbingMode: NSWindowTabbingModeDisallowed];

Fortunately, the fix is simple. If we build on an older system, we can define the NSWindowTabbingModeXxx constants ourselves.

    -- Anders

On Fri, Jul 7, 2017 at 12:16 AM, Alan Third <address@hidden> wrote:
On Thu, Jul 06, 2017 at 06:42:04PM +0100, Alan Third wrote:
> We can make it a run time check, which would look something like
>     if ([win respondsToSelector: @selector(setTabbingMode)])
>       [win setTabbingMode: NSWindowTabbingModeDisallowed];
> but this will throw up compiler warnings on pre‐Sierra versions of
> macOS. I guess that’s maybe just the price to be paid.

I’ve attached a patch to master for this. Can someone on macOS 10.11
or below give it a try and confirm that it compiles and runs?
Alan Third

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