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authorconses <contact@conses.eu>2023-03-17 13:06:35 +0100
committerLudovic Courtès <ludo@gnu.org>2023-03-17 23:20:36 +0100
commit511ae8325db0dfc7803d7b98d7e4d8f76774e8c5 (patch)
tree8117117a76be2f884d86606a23bb82520a65a3b5 /gnu/home
parent97a759769d9dc93a5f5745d2aa4ae324a4ef1b3d (diff)
home: services: Add home-xmodmap-service-type.
* gnu/home/services/desktop.scm (home-xmodmap-service-type) (home-xmodmap-configuration): New variables; (serialize-xmodmap-configuration) (xmodmap-shepherd-service): New procedures; * doc/guix.texi (Desktop Services): Document it. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'gnu/home')
-rw-r--r--gnu/home/services/desktop.scm57
1 files changed, 57 insertions, 0 deletions
diff --git a/gnu/home/services/desktop.scm b/gnu/home/services/desktop.scm
index ab2b871539..fb1cd44060 100644
--- a/gnu/home/services/desktop.scm
+++ b/gnu/home/services/desktop.scm
@@ -24,6 +24,7 @@
#:use-module (gnu services configuration)
#:autoload (gnu packages glib) (dbus)
#:autoload (gnu packages xdisorg) (redshift unclutter)
+ #:autoload (gnu packages xorg) (setxkbmap xmodmap)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (srfi srfi-1)
@@ -275,3 +276,59 @@ according to time of day.")))
(description "Run the @code{unclutter} daemon, which, on systems using the
Xorg graphical display server, automatically hides the cursor after a
user-defined timeout has expired.")))
+
+
+;;;
+;;; Xmodmap.
+;;;
+
+(define-configuration/no-serialization home-xmodmap-configuration
+ (xmodmap
+ (file-like xmodmap)
+ "The @code{xmodmap} package to use.")
+ (key-map
+ (list '())
+ "List of expressions to be read by @code{xmodmap} on service startup."))
+
+(define (serialize-xmodmap-configuration field-name val)
+ (define serialize-field
+ (match-lambda
+ ((key . value)
+ (format #f "~a = ~a" key value))
+ (e e)))
+
+ #~(string-append
+ #$@(interpose (map serialize-field val) "\n" 'suffix)))
+
+(define (xmodmap-shepherd-service config)
+ (define config-file
+ (mixed-text-file
+ "config"
+ (serialize-xmodmap-configuration
+ #f (home-xmodmap-configuration-key-map config))))
+
+ (list
+ (shepherd-service
+ (provision '(xmodmap))
+ (start #~(make-system-constructor
+ (string-join
+ (list #$(file-append
+ (home-xmodmap-configuration-xmodmap config)
+ "/bin/xmodmap")
+ #$config-file))))
+ (stop #~(make-system-constructor
+ #$(file-append setxkbmap "/bin/setxkbmap")))
+ (documentation "On startup, run @code{xmodmap} and read the expressions in
+the configuration file. On stop, reset all the mappings back to the
+defaults."))))
+
+(define home-xmodmap-service-type
+ (service-type
+ (name 'home-xmodmap)
+ (extensions
+ (list
+ (service-extension home-shepherd-service-type
+ xmodmap-shepherd-service)))
+ (default-value (home-xmodmap-configuration))
+ (description "Run the @code{xmodmap} utility to modify keymaps and pointer
+buttons under the Xorg display server via user-defined expressions.")))