* gnu/installer/newt/keymap.scm (keyboard-layout->configuration): New procedure. * gnu/installer.scm (compute-keymap-step): Return RESULT. (installer-steps) <'keymap>: Add 'configuration-formatter' field. (installer-program): Use (gnu installer newt keymap). * gnu/installer/parted.scm (bootloader-configuration): Set 'keyboard-layout'.
		
			
				
	
	
		
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			133 lines
		
	
	
	
		
			4.6 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
| ;;; GNU Guix --- Functional package management for GNU
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| ;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
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| ;;; Copyright © 2019 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 installer newt keymap)
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|   #:use-module (gnu installer keymap)
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|   #:use-module (gnu installer steps)
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|   #:use-module (gnu installer newt page)
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|   #:use-module (guix i18n)
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|   #:use-module (guix records)
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|   #:use-module (newt)
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|   #:use-module (srfi srfi-1)
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|   #:use-module (srfi srfi-26)
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|   #:use-module (srfi srfi-34)
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|   #:use-module (srfi srfi-35)
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|   #:use-module (ice-9 match)
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|   #:export (run-keymap-page
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|             keyboard-layout->configuration))
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| 
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| (define (run-layout-page layouts layout->text)
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|   (let ((title (G_ "Layout")))
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|     (run-listbox-selection-page
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|      #:title title
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|      #:info-text (G_ "Please choose your keyboard layout.")
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|      #:listbox-items layouts
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|      #:listbox-item->text layout->text
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|      #:sort-listbox-items? #f
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|      #:button-text (G_ "Exit")
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|      #:button-callback-procedure
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|      (lambda _
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|        (raise
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|         (condition
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|          (&installer-step-abort)))))))
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| 
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| (define (run-variant-page variants variant->text)
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|   (let ((title (G_ "Variant")))
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|     (run-listbox-selection-page
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|      #:title title
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|      #:info-text (G_ "Please choose a variant for your keyboard layout.")
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|      #:listbox-items variants
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|      #:listbox-item->text variant->text
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|      #:sort-listbox-items? #f
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|      #:button-text (G_ "Back")
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|      #:button-callback-procedure
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|      (lambda _
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|        (raise
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|         (condition
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|          (&installer-step-abort)))))))
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| 
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| (define (sort-layouts layouts)
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|   "Sort LAYOUTS list by putting the US layout ahead and return it."
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|   (call-with-values
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|       (lambda ()
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|         (partition
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|          (lambda (layout)
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|            (let ((name (x11-keymap-layout-name layout)))
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|              (string=? name "us")))
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|          layouts))
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|     (cut append <> <>)))
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| 
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| (define (sort-variants variants)
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|   "Sort VARIANTS list by putting the international variant ahead and return it."
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|   (call-with-values
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|       (lambda ()
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|         (partition
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|          (lambda (variant)
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|            (let ((name (x11-keymap-variant-name variant)))
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|              (string=? name "altgr-intl")))
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|          variants))
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|     (cut append <> <>)))
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| 
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| (define* (run-keymap-page layouts)
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|   "Run a page asking the user to select a keyboard layout and variant. LAYOUTS
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| is a list of supported X11-KEYMAP-LAYOUT. Return a list of two elements, the
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| names of the selected keyboard layout and variant."
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|   (define keymap-steps
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|     (list
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|      (installer-step
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|       (id 'layout)
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|       (compute
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|        (lambda _
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|          (run-layout-page
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|           (sort-layouts layouts)
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|           (lambda (layout)
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|             (x11-keymap-layout-description layout))))))
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|      ;; Propose the user to select a variant among those supported by the
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|      ;; previously selected layout.
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|      (installer-step
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|       (id 'variant)
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|       (compute
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|        (lambda (result _)
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|          (let* ((layout (result-step result 'layout))
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|                 (variants (x11-keymap-layout-variants layout)))
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|            ;; Return #f if the layout does not have any variant.
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|            (and (not (null? variants))
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|                 (run-variant-page
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|                  (sort-variants variants)
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|                  (lambda (variant)
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|                    (x11-keymap-variant-description
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|                     variant))))))))))
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| 
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|   (define (format-result result)
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|     (let ((layout (x11-keymap-layout-name
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|                    (result-step result 'layout)))
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|           (variant (and=> (result-step result 'variant)
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|                           (lambda (variant)
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|                             (x11-keymap-variant-name variant)))))
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|       (list layout (or variant ""))))
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|   (format-result
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|    (run-installer-steps #:steps keymap-steps)))
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| 
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| (define (keyboard-layout->configuration keymap)
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|   "Return the operating system configuration snippet to install KEYMAP."
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|   (match keymap
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|     ((name "")
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|      `((keyboard-layout (keyboard-layout ,name))))
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|     ((name variant)
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|      `((keyboard-layout (keyboard-layout ,name ,variant))))))
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