Re: 3.6 Feature: IBus/XKB integration

[Matthias Clasen <matthias clasen gmail com>]

On Tue, May 1, 2012 at 7:12 AM, Giovanni Campagna
<scampa giovanni gmail com> wrote:


>
> So, assuming this is indeed a limit that we want to fix, why not
> fixing at the right level, i.e. Xorg?
> I recently looked at the Xkb and XI2 protocols, and I saw no
> particular limitations to using more than 4 groups (up to 255, which
> is a much more reasonable limit). There is indeed a limitation in the
> core protocol, but that's only used by legacy applications.
> In any case, I believe this discussion should be moved to xorg-devel,
> as the proposed solution (setxkbmap equivalent) not only has
> performance regressions, it will also cause problems with keybindings
> in non-latin layouts, as applications will no longer have another
> latin group to fallback on.

The problem is that xkb uses 2 bits in the core event state mask to
communicate the group. That limitation very much affects xkb. A while
an xkb2 would be nice, it seems a pipe dream at this point. People
have been talking about it for years, nothing ever happened.