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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org> | |
3 | ;;; | |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
7 | ;;; under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
9 | ;;; your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
12 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | (define-module (gnu services xorg) | |
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20 | #:use-module (guix packages) |
21 | #:use-module (guix git-download) | |
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22 | #:use-module (gnu services) |
23 | #:use-module (gnu system linux) ; 'pam-service' | |
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24 | #:use-module ((gnu packages base) #:select (canonical-package)) |
25 | #:use-module (gnu packages guile) | |
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26 | #:use-module (gnu packages xorg) |
27 | #:use-module (gnu packages gl) | |
28 | #:use-module (gnu packages slim) | |
29 | #:use-module (gnu packages ratpoison) | |
9e4eddb4 | 30 | #:use-module (gnu packages gnustep) |
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31 | #:use-module (gnu packages admin) |
32 | #:use-module (gnu packages bash) | |
b5f4e686 | 33 | #:use-module (guix gexp) |
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34 | #:use-module (guix monads) |
35 | #:use-module (guix derivations) | |
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36 | #:use-module (srfi srfi-1) |
37 | #:use-module (srfi srfi-26) | |
38 | #:use-module (ice-9 match) | |
db4fdc04 | 39 | #:export (xorg-start-command |
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40 | |
41 | %default-slim-theme | |
42 | %default-slim-theme-name | |
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43 | slim-service)) |
44 | ||
45 | ;;; Commentary: | |
46 | ;;; | |
47 | ;;; Services that relate to the X Window System. | |
48 | ;;; | |
49 | ;;; Code: | |
50 | ||
51 | (define* (xorg-start-command #:key | |
bdb36958 | 52 | (guile (canonical-package guile-2.0)) |
f703413e | 53 | (xorg-server xorg-server) |
d2e59637 | 54 | (drivers '()) (resolutions '())) |
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55 | "Return a derivation that builds a @var{guile} script to start the X server |
56 | from @var{xorg-server}. Usually the X server is started by a login manager. | |
57 | ||
58 | @var{drivers} must be either the empty list, in which case Xorg chooses a | |
59 | graphics driver automatically, or a list of driver names that will be tried in | |
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60 | this order---e.g., @code{(\"modesetting\" \"vesa\")}. |
61 | ||
62 | Likewise, when @var{resolutions} is the empty list, Xorg chooses an | |
63 | appropriate screen resolution; otherwise, it must be a list of | |
64 | resolutions---e.g., @code{((1024 768) (640 480))}." | |
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65 | |
66 | (define (device-section driver) | |
67 | (string-append " | |
68 | Section \"Device\" | |
69 | Identifier \"device-" driver "\" | |
70 | Driver \"" driver "\" | |
71 | EndSection")) | |
db4fdc04 | 72 | |
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73 | (define (screen-section driver resolutions) |
74 | (string-append " | |
75 | Section \"Screen\" | |
76 | Identifier \"screen-" driver "\" | |
77 | Device \"device-" driver "\" | |
78 | SubSection \"Display\" | |
79 | Modes " | |
80 | (string-join (map (match-lambda | |
81 | ((x y) | |
82 | (string-append "\"" (number->string x) | |
83 | "x" (number->string y) "\""))) | |
84 | resolutions)) " | |
85 | EndSubSection | |
86 | EndSection")) | |
87 | ||
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88 | (define (xserver.conf) |
89 | (text-file* "xserver.conf" " | |
90 | Section \"Files\" | |
378377eb | 91 | FontPath \"" font-adobe75dpi "/share/fonts/X11/75dpi\" |
db4fdc04 | 92 | ModulePath \"" xf86-video-vesa "/lib/xorg/modules/drivers\" |
0adb027b | 93 | ModulePath \"" xf86-video-fbdev "/lib/xorg/modules/drivers\" |
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94 | # FIXME: Commented out due to libdrm incompatibility. |
95 | # ModulePath \"" xf86-video-modesetting "/lib/xorg/modules/drivers\" | |
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96 | ModulePath \"" xf86-video-cirrus "/lib/xorg/modules/drivers\" |
97 | ModulePath \"" xf86-video-intel "/lib/xorg/modules/drivers\" | |
98 | ModulePath \"" xf86-video-mach64 "/lib/xorg/modules/drivers\" | |
99 | ModulePath \"" xf86-video-nv "/lib/xorg/modules/drivers\" | |
db4fdc04 | 100 | ModulePath \"" xf86-input-keyboard "/lib/xorg/modules/input\" |
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101 | ModulePath \"" xf86-input-mouse "/lib/xorg/modules/input\" |
102 | ModulePath \"" xf86-input-synaptics "/lib/xorg/modules/input\" | |
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103 | ModulePath \"" xorg-server "/lib/xorg/modules\" |
104 | ModulePath \"" xorg-server "/lib/xorg/modules/extensions\" | |
105 | ModulePath \"" xorg-server "/lib/xorg/modules/multimedia\" | |
106 | EndSection | |
107 | ||
108 | Section \"ServerFlags\" | |
e30442b5 | 109 | Option \"AllowMouseOpenFail\" \"on\" |
db4fdc04 | 110 | EndSection |
f703413e | 111 | " |
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112 | (string-join (map device-section drivers) "\n") |
113 | (string-join (map (cut screen-section <> resolutions) | |
114 | drivers) | |
115 | "\n"))) | |
db4fdc04 | 116 | |
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117 | (mlet %store-monad ((config (xserver.conf))) |
118 | (define script | |
db4fdc04 | 119 | ;; Write a small wrapper around the X server. |
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120 | #~(begin |
121 | (setenv "XORG_DRI_DRIVER_PATH" (string-append #$mesa "/lib/dri")) | |
122 | (setenv "XKB_BINDIR" (string-append #$xkbcomp "/bin")) | |
123 | ||
124 | (apply execl (string-append #$xorg-server "/bin/X") | |
91cc5aff | 125 | (string-append #$xorg-server "/bin/X") ;argv[0] |
594340bc | 126 | "-logverbose" "-verbose" |
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127 | "-xkbdir" (string-append #$xkeyboard-config "/share/X11/xkb") |
128 | "-config" #$config | |
129 | "-nolisten" "tcp" "-terminate" | |
130 | ||
131 | ;; Note: SLiM and other display managers add the | |
132 | ;; '-auth' flag by themselves. | |
133 | (cdr (command-line))))) | |
134 | ||
135 | (gexp->script "start-xorg" script))) | |
db4fdc04 | 136 | |
9e4eddb4 | 137 | (define* (xinitrc #:key |
bdb36958 | 138 | (guile (canonical-package guile-2.0)) |
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139 | (ratpoison ratpoison) |
140 | (windowmaker windowmaker)) | |
141 | "Return a system-wide xinitrc script that starts the specified X session." | |
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142 | (define builder |
143 | #~(begin | |
144 | (use-modules (ice-9 match)) | |
145 | ||
d9372161 LC |
146 | ;; First, try to run ~/.xsession. |
147 | (let* ((home (getenv "HOME")) | |
148 | (file (string-append home "/.xsession"))) | |
149 | (false-if-exception (execl file file))) | |
150 | ||
151 | ;; Then try a pre-configured session type. | |
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152 | (match (command-line) |
153 | ((_ "ratpoison") | |
154 | (execl (string-append #$ratpoison "/bin/ratpoison"))) | |
155 | (_ | |
156 | (execl (string-append #$windowmaker "/bin/wmaker")))))) | |
157 | ||
158 | (gexp->script "xinitrc" builder)) | |
9e4eddb4 | 159 | |
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160 | \f |
161 | ;;; | |
162 | ;;; SLiM log-in manager. | |
163 | ;;; | |
164 | ||
165 | (define %artwork-repository | |
166 | (origin | |
167 | (method git-fetch) | |
168 | (uri (git-reference | |
169 | (url "git://git.savannah.gnu.org/guix/guix-artwork.git") | |
170 | (commit "71d77b1"))) | |
171 | (sha256 | |
172 | (base32 | |
173 | "03j0fwh6j5knzbfjj3cs0a30cssy706p18b8x7d1p91p29hlzjif")))) | |
174 | ||
175 | (define %default-slim-theme | |
176 | ;; Theme based on work by Felipe López. | |
177 | #~(string-append #$%artwork-repository "/slim")) | |
178 | ||
179 | (define %default-slim-theme-name | |
180 | ;; This must be the name of the sub-directory in %DEFAULT-SLIM-THEME that | |
181 | ;; contains the actual theme files. | |
182 | "0.8") | |
183 | ||
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184 | (define* (slim-service #:key (slim slim) |
185 | (allow-empty-passwords? #t) auto-login? | |
186 | (default-user "") | |
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187 | (theme %default-slim-theme) |
188 | (theme-name %default-slim-theme-name) | |
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189 | (xauth xauth) (dmd dmd) (bash bash) |
190 | startx) | |
191 | "Return a service that spawns the SLiM graphical login manager, which in | |
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192 | turn starts the X display server with @var{startx}, a command as returned by |
193 | @code{xorg-start-command}. | |
db4fdc04 | 194 | |
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195 | When @var{allow-empty-passwords?} is true, allow logins with an empty |
196 | password. When @var{auto-login?} is true, log in automatically as | |
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197 | @var{default-user}. |
198 | ||
199 | If @var{theme} is @code{#f}, the use the default log-in theme; otherwise | |
200 | @var{theme} must be a gexp denoting the name of a directory containing the | |
201 | theme to use. In that case, @var{theme-name} specifies the name of the | |
202 | theme." | |
203 | ||
db4fdc04 | 204 | (define (slim.cfg) |
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205 | (mlet %store-monad ((startx (or startx (xorg-start-command))) |
206 | (xinitrc (xinitrc))) | |
db4fdc04 | 207 | (text-file* "slim.cfg" " |
b4140694 | 208 | default_path /run/current-system/profile/bin |
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209 | default_xserver " startx " |
210 | xserver_arguments :0 vt7 | |
211 | xauth_path " xauth "/bin/xauth | |
212 | authfile /var/run/slim.auth | |
213 | ||
214 | # The login command. '%session' is replaced by the chosen session name, one | |
215 | # of the names specified in the 'sessions' setting: 'wmaker', 'xfce', etc. | |
057d6ce5 | 216 | login_cmd exec " xinitrc " %session |
9e4eddb4 | 217 | sessions wmaker,ratpoison |
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218 | |
219 | halt_cmd " dmd "/sbin/halt | |
220 | reboot_cmd " dmd "/sbin/reboot | |
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221 | " |
222 | (if auto-login? | |
223 | (string-append "auto_login yes\ndefault_user " default-user "\n") | |
224 | "") | |
225 | (if theme-name | |
226 | (string-append "current_theme " theme-name "\n") | |
227 | "")))) | |
db4fdc04 | 228 | |
b5f4e686 | 229 | (mlet %store-monad ((slim.cfg (slim.cfg))) |
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230 | (return |
231 | (service | |
232 | (documentation "Xorg display server") | |
233 | (provision '(xorg-server)) | |
8dbab712 | 234 | (requirement '(user-processes host-name udev)) |
db4fdc04 | 235 | (start |
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236 | #~(lambda () |
237 | ;; A stale lock file can prevent SLiM from starting, so remove it | |
238 | ;; to be on the safe side. | |
239 | (false-if-exception (delete-file "/var/run/slim.lock")) | |
240 | ||
241 | (fork+exec-command | |
242 | (list (string-append #$slim "/bin/slim") "-nodaemon") | |
243 | #:environment-variables | |
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244 | (list (string-append "SLIM_CFGFILE=" #$slim.cfg) |
245 | #$@(if theme | |
246 | (list #~(string-append "SLIM_THEMESDIR=" #$theme)) | |
247 | #~()))))) | |
b5f4e686 | 248 | (stop #~(make-kill-destructor)) |
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249 | (respawn? #t) |
250 | (pam-services | |
251 | ;; Tell PAM about 'slim'. | |
252 | (list (unix-pam-service | |
253 | "slim" | |
254 | #:allow-empty-passwords? allow-empty-passwords?))))))) | |
255 | ||
256 | ;;; xorg.scm ends here |