Add xfce4-notifyd configuration

home/modules/X11/xfce4-notifyd.nix

@@ -0,0 +1,24 @@
+{ pkgs, config, lib, ... }:
+
+with lib;
+let
+  cfg = config.services.X11.xfce4-notifyd;
+in
+{
+  options.services.X11.xfce4-notifyd.enable = mkEnableOption "Notification Manager for xfce4";
+
+  config = mkIf cfg.enable {
+    xdg.configFile."autostart/xfce4-notifyd.desktop" = {
+      # Remove the "OnlyShowIn" line
+      source = pkgs.runCommand "xfce4-notifyd.desktop"
+        {
+          buildInput = [ pkgs.gnused ];
+          preferLocalBuild = true;
+        } ''
+        sed "s/OnlyShowIn/# OnlyShowIn/g" \
+          < ${pkgs.xfce.xfce4-notifyd}/etc/xdg/autostart/xfce4-notifyd.desktop \
+          > $out
+      '';
+    };
+  };
+}