Reported by Florian Pelz <pelzflorian@pelzflorian.de>. * gnu/bootloader/grub.scm (keyboard-layout-file): Replace commas with hyphens in the first argument to 'computed-file'. * gnu/system/keyboard.scm (keyboard-layout->console-keymap): Likewise. * doc/guix.texi (Keyboard Layout): Add example.
		
			
				
	
	
		
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			101 lines
		
	
	
	
		
			4.1 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
| ;;; GNU Guix --- Functional package management for GNU
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| ;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
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| ;;;
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| ;;; This file is part of GNU Guix.
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| ;;;
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| ;;; GNU Guix is free software; you can redistribute it and/or modify it
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| ;;; under the terms of the GNU General Public License as published by
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| ;;; the Free Software Foundation; either version 3 of the License, or (at
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| ;;; your option) any later version.
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| ;;;
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| ;;; GNU Guix is distributed in the hope that it will be useful, but
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| ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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| ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| ;;; GNU General Public License for more details.
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| ;;;
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| ;;; You should have received a copy of the GNU General Public License
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| ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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| 
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| (define-module (gnu system keyboard)
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|   #:use-module (guix gexp)
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|   #:use-module ((gnu packages xorg)
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|                 #:select (xkeyboard-config console-setup))
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|   #:use-module (srfi srfi-9 gnu)
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|   #:use-module (ice-9 match)
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|   #:export (keyboard-layout?
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|             keyboard-layout
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|             keyboard-layout-name
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|             keyboard-layout-variant
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|             keyboard-layout-model
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|             keyboard-layout-options
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| 
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|             keyboard-layout->console-keymap))
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| 
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| ;;; Commentary:
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| ;;;
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| ;;; This module provides a data structure to represent keyboard layouts
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| ;;; according to the XKB naming and classification (see the 'xkeyboard-config'
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| ;;; package).
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| ;;;
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| ;;; Code:
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| 
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| (define-immutable-record-type <keyboard-layout>
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|   (%keyboard-layout name variant model options)
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|   keyboard-layout?
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|   (name      keyboard-layout-name)                ;string
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|   (variant   keyboard-layout-variant)             ;#f | string
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|   (model     keyboard-layout-model)               ;#f | string
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|   (options   keyboard-layout-options))            ;list of strings
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| 
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| (define* (keyboard-layout name #:optional variant
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|                           #:key model (options '()))
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|   "Return a new keyboard layout with the given NAME and VARIANT.
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| 
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| NAME must be a string such as \"fr\"; VARIANT must be a string such as
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| \"bepo\" or \"nodeadkeys\".  See the 'xkeyboard-config' package for valid
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| options."
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|   (%keyboard-layout name variant model options))
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| 
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| (define* (keyboard-layout->console-keymap layout
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|                                           #:key
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|                                           (xkeyboard-config xkeyboard-config))
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|   "Return a Linux console keymap file for LAYOUT, a <keyboard-layout> record.
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| Layout information is taken from the XKEYBOARD-CONFIG package."
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|   (define build
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|     (with-imported-modules '((guix build utils))
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|       #~(begin
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|           (use-modules (guix build utils)
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|                        (ice-9 popen)
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|                        (ice-9 match))
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| 
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|           (define pipe
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|             (open-pipe* OPEN_READ
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|                         #+(file-append console-setup "/bin/ckbcomp")
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|                         (string-append "-I"
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|                                        #+(file-append xkeyboard-config
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|                                                       "/share/X11/xkb"))
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|                         "-rules" "base"
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|                         #$@(match (keyboard-layout-model layout)
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|                              (#f      '())
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|                              (model   `("-model" ,model)))
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|                         #$(keyboard-layout-name layout)
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|                         #$(or (keyboard-layout-variant layout)
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|                               "")
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|                         #$(string-join (keyboard-layout-options layout) ",")))
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| 
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|           (call-with-output-file #$output
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|             (lambda (output)
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|               (dump-port pipe output)))
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| 
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|           ;; Note: ckbcomp errors out when the layout name is unknown, but
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|           ;; merely emits a warning when the variant is unknown.
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|           (unless (zero? (close-pipe pipe))
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|             (error "failed to create console keymap for keyboard layout"
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|                    #$(keyboard-layout-name layout))))))
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| 
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|   (computed-file (string-append "console-keymap."
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|                                 (string-map (match-lambda
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|                                               (#\, #\-)
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|                                               (chr chr))
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|                                             (keyboard-layout-name layout)))
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|                  build))
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