Split t490 configuration

nix/hosts/t490/services/interception-tools.nix

@@ -0,0 +1,25 @@
+{ pkgs, ... }:
+
+{
+  # Make Caps lock work as an Escape key on press and Ctrl on hold.
+  services.interception-tools =
+    let
+      dfkConfig = pkgs.writeText "dual-function-keys.yaml" ''
+        MAPPINGS:
+          - KEY: KEY_CAPSLOCK
+            TAP: KEY_ESC
+            HOLD: KEY_LEFTCTRL
+      '';
+    in
+    {
+      enable = true;
+      plugins = pkgs.lib.mkForce [ pkgs.interception-tools-plugins.dual-function-keys ];
+      udevmonConfig = ''
+        - JOB: "${pkgs.interception-tools}/bin/intercept -g $DEVNODE | ${pkgs.interception-tools-plugins.dual-function-keys}/bin/dual-function-keys -c ${dfkConfig} | ${pkgs.interception-tools}/bin/uinput -d $DEVNODE"
+          DEVICE:
+            NAME: "AT Translated Set 2 keyboard"
+            EVENTS:
+              EV_KEY: [[KEY_CAPSLOCK, KEY_ESC, KEY_LEFTCTRL]]
+      '';
+    };
+}