GNU bug report logs - #34929
[PATCH 00/12] Provide uniform keyboard layout configuration

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Message #29 received at 34929 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: 34929 <at> debbugs.gnu.org
Cc: Ludovic Courtès <ludo <at> gnu.org>,
 nee <nee-git <at> hidamari.blue>
Subject: [PATCH 08/12] services: xorg: Add a 'keyboard-layout' field in
 <xorg-configuration>.
Date: Thu, 21 Mar 2019 00:04:31 +0100

* gnu/services/xorg.scm (<xorg-configuration>)[keyboard-layout]: New
field.
(xorg-configuration->file)[input-class-section]: New procedure.
Use it.
* doc/guix.texi (X Window): Document 'keyboard-layout' field.

Co-authored-by: nee <nee-git <at> hidamari.blue>
---
 doc/guix.texi         |  8 ++++++++
 gnu/services/xorg.scm | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/doc/guix.texi b/doc/guix.texi
index 6b73225697..5fa68d5e5a 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -13332,6 +13332,14 @@ When @code{resolutions} is the empty list, Xorg chooses an appropriate screen
 resolution.  Otherwise, it must be a list of resolutions---e.g., @code{((1024
 768) (640 480))}.
 
+@cindex keyboard layout, for Xorg
+@item @code{keyboard-layout} (default: @code{#f})
+If this is @code{#f}, Xorg uses the default keyboard layout---usually US
+English (``qwerty'') for a 105-key PC keyboard.
+
+Otherwise this must be a @code{keyboard-layout} object specifying the keyboard
+layout in use when Xorg is running.
+
 @item @code{extra-config} (default: @code{'()})
 This is a list of strings or objects appended to the configuration file.  It
 is used to pass extra text to be added verbatim to the configuration file.
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index a3a4d769d7..05465f3bdf 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -25,6 +25,7 @@
   #:use-module (gnu services)
   #:use-module (gnu services shepherd)
   #:use-module (gnu system pam)
+  #:use-module (gnu system keyboard)
   #:use-module (gnu services dbus)
   #:use-module ((gnu packages base) #:select (canonical-package))
   #:use-module (gnu packages guile)
@@ -147,6 +148,8 @@
                     (default '()))
   (resolutions      xorg-configuration-resolutions ;list of tuples
                     (default '()))
+  (keyboard-layout  xorg-configuration-keyboard-layout ;#f | <keyboard-layout>
+                    (default #f))
   (extra-config     xorg-configuration-extra-config ;list of strings
                     (default '()))
   (server           xorg-configuration-server     ;package
@@ -195,6 +198,31 @@ Section \"Screen\"
   EndSubSection
 EndSection"))
 
+            (define (input-class-section layout variant model options)
+              (string-append "
+Section \"InputClass\"
+  Identifier \"evdev keyboard catchall\"
+  MatchIsKeyboard \"on\"
+  Option \"XkbLayout\" " (object->string layout)
+  (if variant
+      (string-append "  Option \"XkbVariant\" \""
+                     variant "\"")
+      "")
+  (if model
+      (string-append "  Option \"XkbModel\" \""
+                     model "\"")
+      "")
+  (match options
+    (()
+     "")
+    (_
+     (string-append "  Option \"XkbOptions\" \""
+                    (string-join options ",") "\""))) "
+
+  MatchDevicePath \"/dev/input/event*\"
+  Driver \"evdev\"
+EndSection\n"))
+
             (define (expand modules)
               ;; Append to MODULES the relevant /lib/xorg/modules
               ;; sub-directories.
@@ -240,6 +268,19 @@ EndSection\n" port)
                      port)
             (newline port)
 
+            (let ((layout  #$(and=> (xorg-configuration-keyboard-layout config)
+                                    keyboard-layout-name))
+                  (variant #$(and=> (xorg-configuration-keyboard-layout config)
+                                    keyboard-layout-variant))
+                  (model   #$(and=> (xorg-configuration-keyboard-layout config)
+                                    keyboard-layout-model))
+                  (options '#$(keyboard-layout-options
+                               (xorg-configuration-keyboard-layout config))))
+              (when layout
+                (display (input-class-section layout variant model options)
+                         port)
+                (newline port)))
+
             (for-each (lambda (config)
                         (display config port))
                       '#$(xorg-configuration-extra-config config))))))
-- 
2.21.0

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