GNU bug report logs - #40273
installer: No way to input Latin characters with non-Latin keyboard layouts

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Message #77 received at 40273 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: "pelzflorian \(Florian Pelz\)" <pelzflorian <at> pelzflorian.de>
Cc: 40273 <at> debbugs.gnu.org, Mathieu Othacehe <m.othacehe <at> gmail.com>
Subject: Re: bug#40273: installer: No way to input Latin characters with
 non-Latin keyboard layouts
Date: Thu, 02 Apr 2020 11:45:01 +0200

[Message part 1 (text/plain, inline)]

Hello Florian,

"pelzflorian (Florian Pelz)" <pelzflorian <at> pelzflorian.de> skribis:

> works, but I have no idea how to turn that into a keyboard-layout.
> I tried setting in /etc/config.scm
>
>  (keyboard-layout
>   (keyboard-layout "ar,fr" "azerty" #:options '("grp:alt_shift_toggle")))
>
> but it threw an error.

The attached patch fixes that.  I’ve confirmed that it works as intended
in Xorg and in the console (I’m not sure it works in GDM, but it
definitely works in an xterm in ratpoison, for instance.)

I was wondering whether to push the patch as-is or to require people to
write:

  (keyboard-layout '("ar" "fr") …)

instead.  Maybe it’s OK to leave the comma here.

However, I noticed that this doesn’t work in GRUB.  Actually, even
(keyboard-layout "fr") doesn’t work in GRUB (at the command line after
the boot menu), which seems like a regression.

Thanks,
Ludo’.

[Message part 2 (text/x-patch, inline)]

diff --git a/gnu/bootloader/grub.scm b/gnu/bootloader/grub.scm
index 28e6cb1f5f..190b717163 100644
--- a/gnu/bootloader/grub.scm
+++ b/gnu/bootloader/grub.scm
@@ -240,7 +240,11 @@ the 'share/X11/xkb/symbols/' directory of 'xkeyboard-config'."
                   "-i" #+(keyboard-layout->console-keymap layout)
                   "-o" #$output))))
 
-  (computed-file (string-append "grub-keymap." (keyboard-layout-name layout))
+  (computed-file (string-append "grub-keymap."
+                                (string-map (match-lambda
+                                              (#\, #\-)
+                                              (chr chr))
+                                            (keyboard-layout-name layout)))
                  builder))
 
 (define (grub-setup-io config)
diff --git a/gnu/system/keyboard.scm b/gnu/system/keyboard.scm
index cd3ab37b27..5bd13a44be 100644
--- a/gnu/system/keyboard.scm
+++ b/gnu/system/keyboard.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2019 Ludovic Courtès <ludo <at> gnu.org>
+;;; Copyright © 2019, 2020 Ludovic Courtès <ludo <at> gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -94,5 +94,8 @@ Layout information is taken from the XKEYBOARD-CONFIG package."
                    #$(keyboard-layout-name layout))))))
 
   (computed-file (string-append "console-keymap."
-                                (keyboard-layout-name layout))
+                                (string-map (match-lambda
+                                              (#\, #\-)
+                                              (chr chr))
+                                            (keyboard-layout-name layout)))
                  build))

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