1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Andrew Tropin <andrew@trop.in>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;; Copyright © 2023 Giacomo Leidi <goodoldpaul@autistici.org>
;;; Copyright © 2023 conses <contact@conses.eu>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu home services fontutils)
#:use-module (gnu home services)
#:use-module (gnu packages fontutils)
#:use-module (gnu services configuration)
#:use-module (guix gexp)
#:use-module (guix records)
#:use-module (srfi srfi-1)
#:export (home-fontconfig-service-type
home-fontconfig-configuration
font-spec
make-font-spec
font-spec?
font-spec-package
font-spec-family))
;;; Commentary:
;;;
;;; Services related to fonts. home-fontconfig service provides
;;; fontconfig configuration, which allows fc-* utilities to find
;;; fonts in Guix Home's profile and regenerates font cache on
;;; activation.
;;;
;;; Code:
(define-record-type* <font-spec>
font-spec make-font-spec
font-spec?
(package font-spec-package)
(family font-spec-family))
(define (serialize-font-spec field-name val)
(string-append "<alias>
<family>" (symbol->string field-name) "</family>
<prefer>
<family>" (font-spec-family val) "</family>
</prefer>
</alias>
"))
(define (serialize-list field val)
(apply string-append
(map (lambda (directory)
(string-append " <dir>" directory "</dir>\n"))
val)))
(define-maybe font-spec)
(define-configuration home-fontconfig-configuration
(sans-serif
(maybe-font-spec)
"Sans serif font.")
(serif
(maybe-font-spec)
"Serif font.")
(monospace
(maybe-font-spec)
"Monospace font.")
(directories
(list '("~/.guix-home/profile/share/fonts"))
"The directories to add to the default @code{fontconfig} configuration."))
(define (add-fontconfig-config-files config)
`(("fontconfig/fonts.conf"
,(mixed-text-file
"fonts.conf"
"<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
" (serialize-configuration
config (filter-configuration-fields
home-fontconfig-configuration-fields '(directories)))
"</fontconfig>\n"))
("fontconfig/conf.d/50-default-fonts.conf"
,(mixed-text-file
"50-user.conf"
"<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
" (serialize-configuration
config (filter-configuration-fields
home-fontconfig-configuration-fields '(directories) #t))
"
</fontconfig>"))))
(define (regenerate-font-cache-gexp _)
`(("profile/share/fonts"
,#~(system* #$(file-append fontconfig "/bin/fc-cache") "-fv"))))
(define (add-font-profile-packages config)
(append
(list fontconfig)
(fold (lambda (field res)
(let ((val ((configuration-field-getter field) config)))
(if (eq? 'disabled val)
res
(cons (font-spec-package val) res))))
'()
(filter-configuration-fields
home-fontconfig-configuration-fields '(directories) #t))))
(define (add-fontconfig-extensions config extensions)
(home-fontconfig-configuration
(inherit config)
(directories
(append (home-fontconfig-configuration-directories config)
extensions))))
(define home-fontconfig-service-type
(service-type (name 'home-fontconfig)
(extensions
(list (service-extension
home-xdg-configuration-files-service-type
add-fontconfig-config-files)
(service-extension
home-run-on-change-service-type
regenerate-font-cache-gexp)
(service-extension
home-profile-service-type
add-font-profile-packages)))
(compose concatenate)
(extend add-fontconfig-extensions)
(default-value (home-fontconfig-configuration))
(description
"Provides configuration file for fontconfig and make
fc-* utilities aware of font packages installed in Guix Home's profile.")))
|