plasma

modules/nixos/desktop/cosmic/default.nix

@@ -1,21 +1,20 @@
 {
-  config,
   lib,
   namespace,
   ...
 }:
-let
-  cfg = config.${namespace}.desktop.cosmic;
-in
 {
   options.${namespace}.desktop.cosmic = {
     enable = lib.mkEnableOption "enable cosmic settings";
   };
 
-  config = lib.mkIf cfg.enable {
-    services = {
-      desktopManager.cosmic.enable = true;
-      displayManager.cosmic-greeter.enable = true;
-    };
-  };
+  # TODO: COSMIC DE has an active bug that prevents it from being used.
+  # Re-enable once upstream fixes land:
+  # config = lib.mkIf config.${namespace}.desktop.cosmic.enable {
+  #   services = {
+  #     desktopManager.cosmic.enable = true;
+  #     displayManager.cosmic-greeter.enable = true;
+  #   };
+  # };
+  config = { };
 }

modules/nixos/desktop/gnome/default.nix

@@ -6,12 +6,14 @@
   ...
 }:
 let
-  inherit (lib.${namespace}) enabled disabled;
+  inherit (lib.${namespace}) enabled disabled mkBoolOpt;
   cfg = config.${namespace}.desktop.gnome;
 in
 {
   options.${namespace}.desktop.gnome = {
     enable = lib.mkEnableOption "GNOME desktop environment";
+
+    vscodium.enable = mkBoolOpt false "Set VSCodium as the default EDITOR/VISUAL";
   };
 
   config = lib.mkIf cfg.enable {
@@ -53,5 +55,10 @@ in
       enable = false;
       package = pkgs.gnomeExtensions.gsconnect;
     };
+
+    environment.variables = lib.mkIf cfg.vscodium.enable {
+      EDITOR = "${lib.getExe' pkgs.vscodium "codium"} --wait";
+      VISUAL = "${lib.getExe' pkgs.vscodium "codium"} --wait";
+    };
   };
 }

modules/nixos/desktop/plasma/default.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  lib,
+  namespace,
+  ...
+}:
+let
+  inherit (lib.${namespace}) mkBoolOpt;
+  cfg = config.${namespace}.desktop.plasma;
+in
+{
+  options.${namespace}.desktop.plasma = {
+    enable = lib.mkEnableOption "KDE Plasma 6 desktop environment";
+
+    wayland.enable = mkBoolOpt true "Use the Wayland session (default) instead of X11";
+  };
+
+  config = lib.mkIf cfg.enable {
+    services = {
+      desktopManager.plasma6.enable = true;
+
+      displayManager.sddm = {
+        enable = true;
+        wayland.enable = cfg.wayland.enable;
+      };
+    };
+
+    xdg.portal.extraPortals = [ ];
+  };
+}