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References:	<CAHvVhSvJVtmNXQLxKNvhWUxH6MzCeaq-ZchCR9hcHk54yRDx3w AT mail DOT gmail DOT com> <9494ede9-ec64-bb79-8f8f-9bfb37c12f3b AT dronecode DOT org DOT uk> <CAHvVhSsKLVVZZ7W6wES6btb9oad4ixxQqBAR6xXisLVtmsKgyQ AT mail DOT gmail DOT com> <1265548510 DOT 20161129143736 AT yandex DOT ru> <b133f87a-3c84-9085-03cd-926ae0dcb1f6 AT dronecode DOT org DOT uk>
From:	David Chamberlain <dc46and2 AT gmail DOT com>
Date:	Thu, 1 Dec 2016 09:10:44 -0600
Message-ID:	<CAHvVhSuzm_ePaMtra-hGS8fjUN9+AvOf6RrMzeWFqGpk_yRaXg@mail.gmail.com>
Subject:	Re: Fullscreen application with Cygwin/X in multiwindow mode
To:	Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Cc:	cygwin AT cygwin DOT com

On Thu, Dec 1, 2016 at 6:23 AM, Jon Turney <jon DOT turney AT dronecode DOT org DOT uk> wrote:
> Patches are always welcome.
>
> I think this should be pretty straightforward to add, although it might be a
> bit tedious.
>
> [1],[2] should help you get started :)
>
> Looking at this in a little more detail, I wasn't quite accurate in my
> statement above: There is very limited support for this state, in that
> windows which are created with it are probably shown correctly.
>
> I think what's needed is extend the handling of _NET_WM_STATE messages so it
> can handle a window being changed to _NET_WM_STATE_FULLSCREEN. (At the
> moment _NET_WM_STATE is, only handled when it can be mapped down to an
> equivalent WM_CHANGE_STATE message, see [3])
>
> [1] https://x.cygwin.com/docs/cg/cygwin-x-cg.html
> [2] https://specifications.freedesktop.org/wm-spec/wm-spec-latest.html
> [3]
> https://cgit.freedesktop.org/~jturney/xserver/commit/?h=cygwin-release-1.19&id=55c2ca8cd9287850077102d4ba662cfd2c571ca9

Thanks for the references. I'll see if I can come up with a patch.

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