nixos/hyprland: init (#221730)

* nixos/hyprland: init


---------

Co-authored-by: Jörg Thalheim <Mic92@users.noreply.github.com>

nixos/doc/manual/release-notes/rl-2305.section.md

@@ -45,6 +45,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - [gmediarender](https://github.com/hzeller/gmrender-resurrect), a simple, headless UPnP/DLNA renderer.  Available as [services.gmediarender](options.html#opt-services.gmediarender.enable).
 
+- [hyprland](https://github.com/hyprwm/hyprland), a dynamic tiling Wayland compositor that doesn't sacrifice on its looks. Available as [programs.hyprland](#opt-programs.hyprland.enable).
+
 - [stevenblack-blocklist](https://github.com/StevenBlack/hosts), A unified hosts file with base extensions for blocking unwanted websites. Available as [networking.stevenblack](options.html#opt-networking.stevenblack.enable).
 
 - [Budgie Desktop](https://github.com/BuddiesOfBudgie/budgie-desktop), a familiar, modern desktop environment. Availabe as [services.xserver.desktopManager.budgie](options.html#opt-services.xserver.desktopManager.budgie).

nixos/modules/module-list.nix

@@ -179,6 +179,7 @@
   ./programs/haguichi.nix
   ./programs/hamster.nix
   ./programs/htop.nix
+  ./programs/hyprland.nix
   ./programs/iay.nix
   ./programs/iftop.nix
   ./programs/i3lock.nix

nixos/modules/programs/hyprland.nix

@@ -0,0 +1,84 @@
+{ config
+, lib
+, pkgs
+, ...
+}:
+with lib; let
+  cfg = config.programs.hyprland;
+
+  defaultHyprlandPackage = pkgs.hyprland.override {
+    enableXWayland = cfg.xwayland.enable;
+    hidpiXWayland = cfg.xwayland.hidpi;
+    nvidiaPatches = cfg.nvidiaPatches;
+  };
+in
+{
+  options.programs.hyprland = {
+    enable = mkEnableOption null // {
+      description = mdDoc ''
+        Hyprland, the dynamic tiling Wayland compositor that doesn't sacrifice on its looks.
+
+        You can manually launch Hyprland by executing {command}`Hyprland` on a TTY.
+
+        A configuration file will be generated in {file}`~/.config/hypr/hyprland.conf`.
+        See <https://wiki.hyprland.org> for more information.
+      '';
+    };
+
+    package = mkOption {
+      type = types.path;
+      default = defaultHyprlandPackage;
+      defaultText = literalExpression ''
+        pkgs.hyprland.override {
+          enableXWayland = config.programs.hyprland.xwayland.enable;
+          hidpiXWayland = config.programs.hyprland.xwayland.hidpi;
+          nvidiaPatches = config.programs.hyprland.nvidiaPatches;
+        }
+      '';
+      example = literalExpression "<Hyprland flake>.packages.<system>.default";
+      description = mdDoc ''
+        The Hyprland package to use.
+        Setting this option will make {option}`programs.hyprland.xwayland` and
+        {option}`programs.hyprland.nvidiaPatches` not work.
+      '';
+    };
+
+    xwayland = {
+      enable = mkEnableOption (mdDoc "XWayland") // { default = true; };
+      hidpi = mkEnableOption null // {
+        description = mdDoc ''
+          Enable HiDPI XWayland, based on [XWayland MR 733](https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/733).
+          See <https://wiki.hyprland.org/Nix/Options-Overrides/#xwayland-hidpi> for more info.
+        '';
+      };
+    };
+
+    nvidiaPatches = mkEnableOption (mdDoc "patching wlroots for better Nvidia support");
+  };
+
+  config = mkIf cfg.enable {
+    environment = {
+      systemPackages = [ cfg.package ];
+
+    };
+
+    fonts.enableDefaultFonts = mkDefault true;
+    hardware.opengl.enable = mkDefault true;
+
+    programs = {
+      dconf.enable = mkDefault true;
+      xwayland.enable = mkDefault true;
+    };
+
+    security.polkit.enable = true;
+
+    services.xserver.displayManager.sessionPackages = [ cfg.package ];
+
+    xdg.portal = {
+      enable = mkDefault true;
+      extraPortals = [
+        pkgs.xdg-desktop-portal-hyprland
+      ];
+    };
+  };
+}