feat: add hyprland, gnome configurations and changes to default

* add gnome and hyprland base setup
* remove unused intel-ocl from graphics
* move xdg-portal configuration to desktop environments

Signed-off-by: Chinmay D. Pai <chinmaydpai@gmail.com>

modules/nixos/desktop/default.nix

@@ -35,7 +35,6 @@
         vaapiIntel
         libvdpau-va-gl
         vaapiVdpau
-        intel-ocl
         intel-media-driver
       ];
     };
@@ -65,10 +64,9 @@
     # Additional configuration for XDG Portal.
     xdg.portal.wlr.enable = true;
     xdg.portal.xdgOpenUsePortal = true;
-    xdg.portal.extraPortals = with pkgs; [
+
-      xdg-desktop-portal-gtk
+    # Add bibata cursors everywhere because it looks cool.
-      xdg-desktop-portal-kde
+    environment.systemPackages = [pkgs.bibata-cursors];
-    ];
 
     # Set environment variables for the system.
     environment.variables = {

modules/nixos/desktop/gnome/default.nix

@@ -0,0 +1,86 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  options.snowflake.desktop.gnome = {
+    enable = lib.mkEnableOption "Enable the Gnome Desktop Environment";
+  };
+
+  config = lib.mkIf config.snowflake.desktop.gnome.enable {
+    services.xserver = {
+      displayManager.gdm = {
+        enable = true;
+        wayland = true;
+      };
+      desktopManager.gnome = {
+        enable = true;
+        extraGSettingsOverridePackages = [
+          pkgs.nautilus-open-any-terminal
+        ];
+      };
+    };
+
+    services.udev.packages = [pkgs.gnome-settings-daemon];
+
+    # Remove bloatware that we do not require.
+    environment = {
+      gnome.excludePackages = with pkgs; [
+        atomix # puzzle game
+        cheese # webcam tool
+        epiphany # web browser
+        evince # document viewer
+        geary # email reader
+        gedit
+        gnome-characters
+        gnome-connections
+        gnome-console
+        gnome-contacts
+        gnome-font-viewer
+        gnome-initial-setup
+        gnome-maps
+        gnome-music
+        gnome-photos
+        gnome-shell-extensions
+        gnome-text-editor
+        gnome-tour
+        hitori # sudoku game
+        iagno # go game
+        snapshot
+        tali # poker game
+        totem # video player
+        yelp # Help view
+      ];
+
+      systemPackages = with pkgs; [
+        ffmpegthumbnailer
+        adwaita-icon-theme
+        bibata-cursors
+        dconf-editor
+        gnome-tweaks
+        nautilus-python
+        nautilus-open-any-terminal
+        wl-clipboard
+      ];
+    };
+
+    programs.dconf.profiles = {
+      gdm.databases = [
+        {
+          settings = {
+            "org/gnome/mutter".experimental-features = ["scale-monitor-framebuffer"];
+            "org/gnome/desktop/peripherals/mouse".accel-profile = "flat";
+            "org/gnome/desktop/peripherals/touchpad".tap-to-click = true;
+          };
+        }
+      ];
+    };
+
+    snowflake.user.extraGroups = [
+      "audio"
+      "input"
+      "video"
+    ];
+  };
+}

modules/nixos/desktop/hyprland/default.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  ...
+}: {
+  options.snowflake.desktop.hyprland = {
+    enable = lib.mkEnableOption "Enable the Hyprland Desktop Environment";
+  };
+
+  config = lib.mkIf config.snowflake.desktop.hyprland.enable {
+    programs.hyprland = {
+      enable = true;
+      package = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.hyprland;
+      portalPackage = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.xdg-desktop-portal-hyprland;
+      xwayland.enable = true;
+    };
+    programs.hyprlock.enable = true;
+
+    environment.sessionVariables.WLR_NO_HARDWARE_CURSORS = "1";
+    environment.systemPackages = with pkgs; [
+      bibata-cursors
+      mako
+      wofi
+    ];
+
+    security.polkit.enable = true;
+    security.pam.services.hyprlock = {
+      fprintAuth = false;
+    };
+
+    snowflake.user.extraGroups = [
+      "audio"
+      "input"
+      "video"
+    ];
+  };
+}

modules/nixos/desktop/kde/default.nix

@@ -32,6 +32,7 @@
 
     xdg.portal.extraPortals = with pkgs; [
       xdg-desktop-portal-kde
+      xdg-desktop-portal-gtk
     ];
 
     snowflake.user.extraGroups = [