wip: added assortment of desktops

ai generated, needs some work/cleanup

modules/desktop/default.nix

@@ -0,0 +1,171 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  cfg = config.desktop;
+
+  defaultWaylandPackages = with pkgs; [
+    brightnessctl
+    cliphist
+    foot
+    grim
+    libnotify
+    mako
+    networkmanagerapplet
+    playerctl
+    polkit_gnome
+    pavucontrol
+    rofi
+    slurp
+    waybar
+    wl-clipboard
+    xdg-utils
+  ];
+
+  defaultSwayPackages =
+    defaultWaylandPackages
+    ++ (with pkgs; [
+      pulseaudio
+      swayidle
+      swaylock
+      wmenu
+    ]);
+
+  resolvedDisplayManager =
+    if cfg.displayManager != "auto"
+    then cfg.displayManager
+    else if cfg.gnome.enable
+    then "gdm"
+    else if cfg.xfce.enable
+    then "lightdm"
+    else "none";
+in {
+  options.desktop = {
+    displayManager = lib.mkOption {
+      type = lib.types.enum ["auto" "none" "gdm" "lightdm" "ly"];
+      default = "auto";
+      description = ''
+        Display manager to enable. In auto mode, GDM is used when GNOME is
+        enabled, LightDM is used when XFCE is enabled, and no display manager
+        is enabled for compositor-only configurations.
+      '';
+    };
+
+    gnome.enable = lib.mkEnableOption "the vanilla GNOME desktop environment";
+
+    xfce.enable = lib.mkEnableOption "the vanilla XFCE desktop environment";
+
+    sway = {
+      enable = lib.mkEnableOption "the Sway Wayland compositor";
+
+      extraPackages = lib.mkOption {
+        type = with lib.types; listOf package;
+        default = defaultSwayPackages;
+        defaultText = lib.literalExpression ''
+          with pkgs; [
+            brightnessctl
+            cliphist
+            foot
+            grim
+            libnotify
+            mako
+            networkmanagerapplet
+            playerctl
+            polkit_gnome
+            pulseaudio
+            pavucontrol
+            rofi
+            slurp
+            swayidle
+            swaylock
+            waybar
+            wl-clipboard
+            wmenu
+            xdg-utils
+          ]
+        '';
+        description = "Packages installed alongside Sway.";
+      };
+    };
+
+    hyprland = {
+      enable = lib.mkEnableOption "the Hyprland Wayland compositor";
+
+      extraPackages = lib.mkOption {
+        type = with lib.types; listOf package;
+        default = defaultWaylandPackages;
+        defaultText = lib.literalExpression ''
+          with pkgs; [
+            brightnessctl
+            cliphist
+            foot
+            grim
+            libnotify
+            mako
+            networkmanagerapplet
+            playerctl
+            polkit_gnome
+            pavucontrol
+            rofi
+            slurp
+            waybar
+            wl-clipboard
+            xdg-utils
+          ]
+        '';
+        description = ''
+          Packages installed alongside Hyprland. Hyprlock and Hypridle are
+          enabled separately so their NixOS integration, including PAM, is
+          configured as well.
+        '';
+      };
+    };
+  };
+
+  config = lib.mkMerge [
+    (lib.mkIf cfg.gnome.enable {
+      services.desktopManager.gnome.enable = true;
+    })
+
+    (lib.mkIf cfg.xfce.enable {
+      services.xserver = {
+        enable = true;
+        desktopManager.xfce.enable = true;
+      };
+    })
+
+    (lib.mkIf cfg.sway.enable {
+      programs.sway = {
+        enable = true;
+        wrapperFeatures.gtk = true;
+        extraPackages = cfg.sway.extraPackages;
+      };
+    })
+
+    (lib.mkIf cfg.hyprland.enable {
+      programs = {
+        hyprland.enable = true;
+        hyprlock.enable = lib.mkDefault true;
+      };
+
+      environment.systemPackages = cfg.hyprland.extraPackages;
+    })
+
+    (lib.mkIf (resolvedDisplayManager == "gdm") {
+      services.displayManager.gdm.enable = true;
+    })
+
+    (lib.mkIf (resolvedDisplayManager == "lightdm") {
+      services.xserver = {
+        enable = true;
+        displayManager.lightdm.enable = true;
+      };
+    })
+
+    (lib.mkIf (resolvedDisplayManager == "ly") {
+      services.displayManager.ly.enable = true;
+    })
+  ];
+}