Future of xdg-shell v5 support in weston

[Mike Blumenkrantz]

I think that keeping it only promotes using it and further propagating its
use, so I'm in favor of removal.

On Fri, Jan 19, 2018 at 11:22 AM Derek Foreman <derekf at osg.samsung.com>
wrote:

> Hello,
>
> As you all may know, xdg-shell v5 and xdg-shell stable can't currently
> co-exist in the same compositor, as both define structures with the same
> name (such as struct xdg_surface_interface).
>
> A solid effort was made to add functionality to wayland-scanner to
> resolve this, but turned out to be a Very Hard Problem:
>
> https://lists.freedesktop.org/archives/wayland-devel/2018-January/036549.html
>
> Is a good summary of where that patch series currently sits.
>
> That leaves us with a bit of a problem - weston currently support
> xdg-shell v5, and that's blocking any chance of adopting xdg-shell final.
>
> It's my opinion that supporting xdg-shell final is rather important for
> the wayland reference compositor.
>
> So, I think we need to consider removing xdg-shell v5 from weston and
> its included clients as soon as is reasonable.
>
> It should probably be considered deprecated since the introduction of
> xdg-shell v6 into wayland-protocols in late 2015.  I'm sure there are
> still users out there, but it has always been labeled "unstable" with a
> firm promise that it would disappear eventually.
>
> Do we have any opinions on when we can strip this out?  I think keeping
> it for the next release and removing it immediately after is pragmatic
> (with a firm warning in the release notes that this is coming).
>
> Myself, I'd be happy to start drafting patches to remove it immediately
> - weston isn't intended to be anyone's desktop, so I don't think
> arguments that some released software will fail to run on weston should
> be given substantial weight...
>
> Also, I don't think toytoolkit clients failing to connect to a
> compositor that only has v5 support is a major concern either.
>
> Thanks,
> Derek
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