updates

modules/nixos/keyd/default.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.custom.keyd;
+  defaultRemap = {
+    main = {
+      capslock = "overload(control, esc)";
+    };
+  };
+  defaultNoop = {
+    main = { };
+  };
+in
+{
+  options.custom.keyd = {
+    enable = lib.mkEnableOption "keyd (system-wide key remapping daemon)";
+
+    # Vendor:product IDs that get the capslock overload. See `keyd monitor`.
+    internalIds = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [ "1ea7:0907" ];
+      example = [ "1ea7:0907" ];
+      description = "Device IDs to apply the capslock overload to (matched against keyd's id list).";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.keyd = {
+      enable = true;
+      keyboards = {
+        internal = {
+          ids = cfg.internalIds;
+          settings = defaultRemap;
+        };
+        default = {
+          ids = [ "*" ];
+          settings = defaultNoop;
+        };
+      };
+    };
+  };
+}