Add Xmodmap config

oni/home/data/config.scm

@@ -7,7 +7,8 @@
   #:use-module (gnu packages)
   #:use-module (gnu packages admin)
   #:use-module (guix gexp)
-  #:use-module (oni home services xdisorg))
+  #:use-module (oni home services xdisorg)
+  #:use-module (oni home services xmodmap))
 
 (home-environment
  (packages (list (specification->package+output "glibc-locales")))
@@ -44,4 +45,11 @@
                  ((text-color . "#bfbfbf")))
                 (element-text
                  ((background-color . "#222424")
-                  (text-color . "#bfbfbf"))))))))))
+                  (text-color . "#bfbfbf")))))))
+
+   (service home-xmodmap-service-type
+            (home-xmodmap-configuration
+             (pointer '(3 2 1))
+             (extra '("remove Mod5 = ISO_Level3_Shift"
+                      "keycode 108 = Alt_L"
+                      "add Mod1 = Alt_L")))))))

oni/home/services/xmodmap.scm

@@ -0,0 +1,45 @@
+(define-module (oni home services xmodmap)
+  #:use-module (gnu services configuration)
+  #:use-module (gnu packages xorg)
+  #:use-module (gnu home services)
+  #:use-module (gnu home services utils)
+  #:use-module (guix packages)
+  #:use-module (guix gexp)
+
+  #:export (home-xmodmap-service-type
+            home-xmodmap-configuration))
+
+(define-configuration/no-serialization home-xmodmap-configuration
+  (package
+   (package xmodmap)
+   "Package to use for setting Xmodmap")
+  (pointer
+   (list '())
+   "List of numbers indicating the order of numbers")
+  (extra
+   (text-config '())
+   "Any other configuration settings."))
+
+(define (serialize-xmodmap-config config)
+  (let ((pointer (home-xmodmap-configuration-pointer config)))
+    (string-append
+     (if pointer
+         (string-append "pointer = " (string-join (map number->string pointer) " ") "\n\n")
+         "")
+     (string-join (home-xmodmap-configuration-extra config) "\n" 'suffix))))
+
+(define (xmodmap-home-files config)
+  `(("Xmodmap" ,(mixed-text-file
+                 "Xmodmap"
+                 (serialize-xmodmap-config config)))))
+
+(define home-xmodmap-service-type
+  (service-type
+   (name 'home-xmodmap)
+   (extensions
+    (list (service-extension
+           home-files-service-type
+           xmodmap-home-files)))
+   (compose identity)
+   (default-value (home-xmodmap-configuration))
+   (description "Install and configure Xmodmap.")))