XRemap: Try to fix x11 gui application launching

hosts/common/optional/desktop/xremap.nix

@@ -1,21 +1,38 @@
 {
   pkgs,
   inputs,
+  lib,
   ...
 }: {
   imports = [
     inputs.xremap.nixosModules.default
   ];
 
+  hardware.uinput.enable = true;
+  users.groups.uinput.members = ["ghoscht"];
+  users.groups.input.members = ["ghoscht"];
+
+  systemd.user.services.set-xhost = {
+    description = "Run a one-shot command upon user login";
+    path = [pkgs.xorg.xhost];
+    wantedBy = ["default.target"];
+    script = "xhost +SI:localuser:root";
+    environment.DISPLAY = "DP-4"; # NOTE: This is hardcoded for this flake
+  };
+
   services.xremap = {
     withX11 = true;
+    watch = true;
+    # debug = true;
+    userName = "ghoscht";
+    serviceMode = "system";
     config = {
       keymap = [
         {
           name = "main remaps";
           remap = {
             super-e = {
-              launch = ["firefox"];
+              launch = ["${lib.getExe pkgs.pavucontrol}"];
             };
           };
         }