[Spice-devel] keymap detection under XWayland broken again ?

[Daniel P. Berrange]

On Mon, Feb 27, 2017 at 02:37:37PM +0100, Christophe Fergeau wrote:
> On Mon, Feb 27, 2017 at 01:13:25PM +0000, Daniel P. Berrange wrote:
> > A long while back, Pavel learnt that under XWayland we needed to
> > use XkbGetMap instead of XkbGetKeyboard:
> > 
> >   commit 95e322a6bbc29dc9c28724fb80706464e276b89f
> >   Author: Pavel Grunt <pgrunt at redhat.com>
> >   Date:   Fri Feb 20 16:19:50 2015 +0100
> > 
> >     vncdisplaykeymap: Use XkbGetMap and XkbGetNames instead of XkbGetKeyboard
> >     
> >     XkbGetKeyboard does not work in XWayland (bfo#89240).
> > 
> > If I test spice-gtk today, forcing GTK to use X11 as the backend, the
> > keymap detection is broken for XWayland again :-(
> > 
> > $ GDK_BACKEND=x11  ./tools/spicy
> > 
> > (lt-spicy:17512): vnc-keymap-WARNING **: Unknown keycode mapping '(unnamed)'.
> > Please report to gtk-vnc-list at gnome.org
> > including the following information:
> > 
> >   - Operating system
> >   - GDK build
> >   - X11 Server
> >   - xprop -root
> >   - xdpyinfo
> > 
> > 
> > It seems, at least on my own Fedora 25 machine,  Xwayland is reporting
> > "unnamed" for the keymap instead of "evdev". I'm pretty sure this used
> > to work correctly when Pavel first wrote that changeset above, so I'm
> > wondering if anyone else sees this same behaviour, or if perhaps it is
> > something peculiar to my desktop install/setup. If its not jsut me, then
> > its a change in behaviour of Xwayland we'll need to adapt to. I really
> > hope we don't need to go back to my hack of checking if WAYLAND_DISPLAY
> > env variable exists :-(
> 
> I'm seeing these warnings too with GDK_BACKEND=x11, never tried to
> figure out what was going on, and I had forgotten that Pavel had fixed
> something similar in the past :( So no, it's not just you.

Ok, this problem just became alot more "fun". Initially when logging in
Xwayland correctly reports "evdev" as the keycode mapping. As soon as
you launch firefox, it starts to report "unknown".

So firefox is doing something to the Xwayland server that breaks it :-(

Regards,
Daniel
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