fix: make portals great again!

modules/programs/default.nix

@@ -5,6 +5,11 @@
   ...
 }:
 {
+  imports = [
+
+  ]
+  ++ (if currentSystemDe == "niri" then [ ./niri.nix ] else [ ]);
+
   programs = {
     gamescope = {
       enable = true;

modules/programs/niri.nix

@@ -0,0 +1,34 @@
+{ pkgs, lib, config, ... }:
+{
+  programs.niri.enable = true;
+
+  services.dbus.packages = [ pkgs.nautilus ];
+  services.dbus.implementation = "broker";
+  services.xserver.desktopManager.runXdgAutostartIfNone = true;
+  services.upower.enable = true;
+  services.displayManager.dms-greeter = {
+    enable = true;
+    compositor.name = "niri";
+  };
+
+  # For god's sake, never touch this code again, so much pain has been released on the following lines.
+  xdg.portal = {
+    enable = true;
+    xdgOpenUsePortal = true;
+    extraPortals = lib.mkForce [
+      pkgs.xdg-desktop-portal-wlr
+      pkgs.xdg-desktop-portal-gtk
+    ];
+    config = {
+      niri = {
+        default = lib.mkForce [
+          "gtk"
+          "wlr"
+        ];
+        "org.freedesktop.impl.portal.ScreenCast" = [ "wlr" ];
+        "org.freedesktop.impl.portal.Screenshot" = [ "wlr" ];
+      };
+    };
+  };
+
+}