restructure

Signed-off-by: unexplrd <unexplrd@linerds.us>

modules/nixos/desktop/niri/default.nix

@@ -0,0 +1,38 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.desktop.niri;
+in {
+  options = {
+    desktop.niri.enable =
+      mkEnableOption "enable niri desktop";
+  };
+  config = lib.mkMerge [
+    (mkIf cfg.enable {
+      module.desktop.displayManager = "greetd";
+      module.desktop.gnome-keyring.enable = true;
+      sound.pipewire.enable = true;
+
+      security = {
+        soteria.enable = true; # polkit agent in rust
+        pam.services.gtklock = {};
+      };
+      programs.niri.enable = true; # wayland compositor in rust
+      xdg.portal = {
+        enable = true;
+        extraPortals = with pkgs; [xdg-desktop-portal-gnome xdg-desktop-portal-gtk];
+        config.niri.default = ["gnome" "gtk"];
+      };
+    })
+    (mkIf config.services.displayManager.autoLogin.enable {
+      services.greetd.settings.initial_session = {
+        command = "niri-session";
+        user = config.services.displayManager.autoLogin.user;
+      };
+    })
+  ];
+}