bug#28443: 26.0.50; Pause when fullscreening when ns-use-native-fullscreen is nil on macOS

[Aaron Jensen]

On Wed, Sep 13, 2017 at 12:27 PM, Alan Third <alan@idiocy.org> wrote:
> On Wed, Sep 13, 2017 at 05:15:49AM -0700, Aaron Jensen wrote:
>>
>> When ns-use-native-fullscreen is nil and a frame is set to fullscreen,
>> there is a slight pause before the frame goes fullscreen. I believe the
>> pause is about the same length as the animation when native fullscreen
>> is used, so I'm wondering if there's some timing code in there that can
>> be disabled when non-native fullscreen is being used.
>
> Found it. In ns_fullscreen_hook in nsterm.m there is a timer:
>
>       /* Old style fs don't initiate correctly if created from
>          init/default-frame alist, so use a timer (not nice...).
>       */
>       [NSTimer scheduledTimerWithTimeInterval: 0.5 target: view
>                                      selector: @selector (handleFS)
>                                      userInfo: nil repeats: NO];
>
> if I replace the timer with
>
>     [view handleFS]
>
> it works absolutely fine, but I have to assume there are situations
> where it doesn’t.

My guess is that the timer was there to sync w/ the animation. If the
animation is disabled, there shouldn't be a timer, but if it is, there
should be. This is just a guess.

Aaron

> --
> Alan Third