modularize desktop components

modules/desktop/de/default.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  imports = [
+    ./hyprland.nix
+    ./plasma.nix
+  ];
+}

modules/desktop/de/hyprland.nix

@@ -0,0 +1,22 @@
+{ lib, config, ... }:
+
+let
+  cfg = config.desktop.de.hyprland;
+in
+{
+  options.desktop.de.hyprland = {
+    enable = lib.mkEnableOption "enable hyprland desktop environment";
+  };
+
+  config = lib.mkIf cfg.enable {
+    services = {
+      xserver.libinput.enable = true;
+      dbus.enable = true;
+    };
+
+    programs.hyprland = {
+      enable = true;
+      xwayland.enable = true;
+    };
+  };
+}

modules/desktop/de/plasma.nix

@@ -0,0 +1,14 @@
+{ config, lib, ... }:
+
+let
+  cfg = config.desktop.de.plasma;
+in
+{
+  options.desktop.de.plasma = {
+    enable = lib.mkEnableOption "Enable Plasma desktop environment with sddm";
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.xserver.desktopManager.plasma5.enable = true;
+  };
+}

modules/desktop/dm/default.nix

@@ -0,0 +1,39 @@
+{ config, lib, ... }:
+
+let
+  cfg = config.desktop.dm;
+in
+{
+  options.desktop.dm = with lib; {
+    name = mkOption {
+      type = types.nullOr (types.enum ["sddm" "gdm"]);
+      default = null;
+      description = "The display manager to use.";
+    };
+    autologin = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = "The autologin username or null for no autologin.";
+    };
+    wayland = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Enable wayland";
+    };
+  };
+
+  imports = [
+    ./gdm.nix
+    ./sddm.nix
+  ];
+
+  config = {
+    services.xserver.enable = true;
+    services.xserver = {
+      layout = "de";
+      xkbVariant = "";
+    };
+    services.xserver.displayManager.autoLogin.enable = (cfg.autologin != null);
+    services.xserver.displayManager.autoLogin.user = cfg.autologin;
+  };
+}

modules/desktop/dm/gdm.nix

@@ -0,0 +1,12 @@
+{ lib, config, ... }:
+let
+  cfg = config.desktop.dm;
+in
+{
+  config = lib.mkIf (cfg.name == "gdm") {
+    services.xserver.displayManager.gdm = {
+      enable = true;
+      wayland = cfg.wayland;
+    };
+  };
+}

modules/desktop/dm/sddm.nix

@@ -0,0 +1,13 @@
+{ lib, config, ... }:
+
+let
+  cfg = config.desktop.dm;
+in
+{
+  config = lib.mkIf (cfg.name == "sddm") {
+    services.xserver.displayManager.sddm = {
+      enable = true;
+      wayland.enable = cfg.wayland;
+    };
+  };
+}

modules/desktop/hyprland.nix

@@ -1,8 +0,0 @@
-{ config, pkgs, ... }:
-
-{
-  programs.hyprland = {
-    enable = true;
-    xwayland.enable = true;
-  };
-}

modules/desktop/x11-plasma-lightdm.nix

@@ -1,29 +0,0 @@
-{ config, pkgs, ... }:
-
-{
-  # Import unstable plasma6 module
-  imports = [
-    "${nixpkgs-unstable}/nixos/modules/services/desktop-managers/plasma6.nix"
-  ];
-  disable = [
-    "services/desktop-managers/plasma6.nix"
-  ];
-
-  # Enable the X11 windowing system.
-  services.xserver.enable = true;
-
-  # Configure keymap in X11
-  services.xserver = {
-    layout = "de";
-    xkbVariant = "";
-  };
-
-  # Enable the KDE Plasma Desktop Environment.
-  services.xserver.displayManager.sddm.wayland.enable = true;
-  services.desktopManager.plasma6.enable = true;
-
-  # Enable automatic login for the user.
-  services.xserver.displayManager.autoLogin.enable = true;
-  services.xserver.displayManager.autoLogin.user = "jonas";
-
-}

modules/desktop/x11-plasma.nix

@@ -1,21 +0,0 @@
-{ config, ... }:
-
-{
-  # Enable the X11 windowing system.
-  services.xserver.enable = true;
-
-  # Configure keymap in X11
-  services.xserver = {
-    layout = "de";
-    xkbVariant = "";
-  };
-
-  # Enable the KDE Plasma Desktop Environment.
-  services.xserver.displayManager.sddm.enable = true;
-  services.xserver.desktopManager.plasma5.enable = true;
-
-  # Enable automatic login for the user.
-  services.xserver.displayManager.autoLogin.enable = true;
-  services.xserver.displayManager.autoLogin.user = "jonas";
-
-}