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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com> | |
3191b5f6 | 3 | ;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org> |
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4 | ;;; |
5 | ;;; This file is part of GNU Guix. | |
6 | ;;; | |
7 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
8 | ;;; under the terms of the GNU General Public License as published by | |
9 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
10 | ;;; your option) any later version. | |
11 | ;;; | |
12 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
13 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;;; GNU General Public License for more details. | |
16 | ;;; | |
17 | ;;; You should have received a copy of the GNU General Public License | |
18 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
20 | (define-module (gnu installer newt keymap) | |
21 | #:use-module (gnu installer keymap) | |
22 | #:use-module (gnu installer steps) | |
23 | #:use-module (gnu installer newt page) | |
24 | #:use-module (guix i18n) | |
25 | #:use-module (guix records) | |
26 | #:use-module (newt) | |
27 | #:use-module (srfi srfi-1) | |
cb614af0 | 28 | #:use-module (srfi srfi-26) |
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29 | #:use-module (srfi srfi-34) |
30 | #:use-module (srfi srfi-35) | |
9015e639 | 31 | #:use-module (ice-9 i18n) |
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32 | #:use-module (ice-9 match) |
33 | #:export (run-keymap-page | |
34 | keyboard-layout->configuration)) | |
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35 | |
36 | (define (run-layout-page layouts layout->text) | |
5cdb6bd2 | 37 | (let ((title (G_ "Layout"))) |
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38 | (run-listbox-selection-page |
39 | #:title title | |
40 | #:info-text (G_ "Please choose your keyboard layout.") | |
41 | #:listbox-items layouts | |
42 | #:listbox-item->text layout->text | |
cb614af0 | 43 | #:sort-listbox-items? #f |
7d812901 | 44 | #:button-text (G_ "Exit") |
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45 | #:button-callback-procedure |
46 | (lambda _ | |
47 | (raise | |
48 | (condition | |
49 | (&installer-step-abort))))))) | |
50 | ||
51 | (define (run-variant-page variants variant->text) | |
5cdb6bd2 | 52 | (let ((title (G_ "Variant"))) |
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53 | (run-listbox-selection-page |
54 | #:title title | |
55 | #:info-text (G_ "Please choose a variant for your keyboard layout.") | |
56 | #:listbox-items variants | |
57 | #:listbox-item->text variant->text | |
cb614af0 | 58 | #:sort-listbox-items? #f |
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59 | #:button-text (G_ "Back") |
60 | #:button-callback-procedure | |
61 | (lambda _ | |
62 | (raise | |
63 | (condition | |
64 | (&installer-step-abort))))))) | |
65 | ||
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66 | (define (sort-layouts layouts) |
67 | "Sort LAYOUTS list by putting the US layout ahead and return it." | |
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68 | (define (layout<? layout1 layout2) |
69 | (let ((text1 (x11-keymap-layout-description layout1)) | |
70 | (text2 (x11-keymap-layout-description layout2))) | |
71 | ;; XXX: We're calling 'gettext' more than once per item. | |
72 | (string-locale<? (gettext text1 "xkeyboard-config") | |
73 | (gettext text2 "xkeyboard-config")))) | |
74 | ||
75 | (define preferred | |
76 | ;; Two-letter language tag for the preferred keyboard layout. | |
77 | (or (getenv "LANGUAGE") "us")) | |
78 | ||
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79 | (call-with-values |
80 | (lambda () | |
81 | (partition | |
82 | (lambda (layout) | |
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83 | ;; The 'synopsis' field is usually a language code (e.g., "en") |
84 | ;; while the 'name' field is a country code (e.g., "us"). | |
85 | (or (string=? (x11-keymap-layout-name layout) preferred) | |
86 | (string=? (x11-keymap-layout-synopsis layout) preferred))) | |
cb614af0 | 87 | layouts)) |
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88 | (lambda (main others) |
89 | (append (sort main layout<?) | |
90 | (sort others layout<?))))) | |
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91 | |
92 | (define (sort-variants variants) | |
b83e4a93 | 93 | "Sort VARIANTS list by putting the international variant ahead and return it." |
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94 | (call-with-values |
95 | (lambda () | |
96 | (partition | |
97 | (lambda (variant) | |
98 | (let ((name (x11-keymap-variant-name variant))) | |
99 | (string=? name "altgr-intl"))) | |
100 | variants)) | |
101 | (cut append <> <>))) | |
102 | ||
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103 | (define* (run-keymap-page layouts) |
104 | "Run a page asking the user to select a keyboard layout and variant. LAYOUTS | |
105 | is a list of supported X11-KEYMAP-LAYOUT. Return a list of two elements, the | |
106 | names of the selected keyboard layout and variant." | |
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107 | (define keymap-steps |
108 | (list | |
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109 | (installer-step |
110 | (id 'layout) | |
111 | (compute | |
112 | (lambda _ | |
9e58d4e9 | 113 | (run-layout-page |
cb614af0 | 114 | (sort-layouts layouts) |
9e58d4e9 | 115 | (lambda (layout) |
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116 | (gettext (x11-keymap-layout-description layout) |
117 | "xkeyboard-config")))))) | |
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118 | ;; Propose the user to select a variant among those supported by the |
119 | ;; previously selected layout. | |
120 | (installer-step | |
121 | (id 'variant) | |
122 | (compute | |
54754efc | 123 | (lambda (result _) |
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124 | (let* ((layout (result-step result 'layout)) |
125 | (variants (x11-keymap-layout-variants layout))) | |
126 | ;; Return #f if the layout does not have any variant. | |
127 | (and (not (null? variants)) | |
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128 | (run-variant-page |
129 | (sort-variants variants) | |
130 | (lambda (variant) | |
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131 | (gettext (x11-keymap-variant-description variant) |
132 | "xkeyboard-config")))))))))) | |
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133 | |
134 | (define (format-result result) | |
c088b2e4 | 135 | (let ((layout (x11-keymap-layout-name |
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136 | (result-step result 'layout))) |
137 | (variant (and=> (result-step result 'variant) | |
138 | (lambda (variant) | |
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139 | (gettext (x11-keymap-variant-name variant) |
140 | "xkeyboard-config"))))) | |
c088b2e4 | 141 | (list layout (or variant "")))) |
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142 | (format-result |
143 | (run-installer-steps #:steps keymap-steps))) | |
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144 | |
145 | (define (keyboard-layout->configuration keymap) | |
146 | "Return the operating system configuration snippet to install KEYMAP." | |
147 | (match keymap | |
148 | ((name "") | |
149 | `((keyboard-layout (keyboard-layout ,name)))) | |
150 | ((name variant) | |
151 | `((keyboard-layout (keyboard-layout ,name ,variant)))))) |