GNU bug report logs - #40456
Invalid keyboard layouts pass through

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: bug-guix <at> gnu.org
Subject: Invalid keyboard layouts pass through
Date: Sun, 05 Apr 2020 22:59:28 +0200

Hello,

After a painful debugging session where I was blaming GDM for not using
the right keyboard layout, I found that I had specified an invalid
keyboard layout variant, as in:

  (keyboard-layout "fr" "does-not-exist")

‘ckbcomp’ would build a layout for the console just fine, only with a
warning.  Xorg would switch to the default “fr” layout (which exists)
and ignore the “does-not-exist” variant.

However, GNOME Shell would reject it in ‘keyboardManager.js’ because:

     [found, , , _layout, _variant] = this._xkbInfo.get_layout_info(id);

returns ‘found = false’ since ‘fr+does-not-exist’ is not found, and thus
goes on to use the US layout:

      if (found)
          return { layout: _layout, variant: _variant };
      else
          return { layout: DEFAULT_LAYOUT, variant: DEFAULT_VARIANT };

(This is just for GNOME Shell because again, Xorg itself installs the
“fr” layout, as can be seen if you start ratpoison or similar.)

Long story short: it would be great if invalid keyboard layouts were
caught when the system is instantiated.  It could be ‘ckbcomp’ errorring
out, or we could have additional code that browses xkeyboard-config’s
‘base.xml’ file.

Ludo’.

Message #10 received at 40456 <at> debbugs.gnu.org (full text, mbox):

From: Brice Waegeneire via web <issues.guix.gnu.org <at> elephly.net>
To: 40456 <at> debbugs.gnu.org
Subject: Invalid keyboard layouts pass through
Date: Thu,  4 Mar 2021 18:01:39 +0100

We could listen from the WARNING: string on stderr of ckbcomp, or that dirty pipeline return 1 with an incorrect variant « setxkbmap -print fr foo | xkbcomp - -C »

Message #13 received at 40456 <at> debbugs.gnu.org (full text, mbox):

From: Suhail Singh <suhailsingh247 <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 40456 <at> debbugs.gnu.org
Subject: Re: bug#40456: Invalid keyboard layouts pass through
Date: Fri, 06 Dec 2024 12:19:22 -0500

Ludovic Courtès <ludo <at> gnu.org> writes:

> Long story short: it would be great if invalid keyboard layouts were
> caught when the system is instantiated.  It could be ‘ckbcomp’ errorring
> out, or we could have additional code that browses xkeyboard-config’s
> ‘base.xml’ file.

Ludo, this issue currently has the debbugs usertag "v1.3.0".  Is that
usertag still applicable?

-- 
Suhail

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