feat: Compile Plasma Bigscreen against the development repo as of February 13, 2026

sw/bigscreen/default.nix

@@ -0,0 +1,63 @@
+# ============================================================================
+# Bigscreen Software Configuration
+# ============================================================================
+# Imports desktop-specific programs and services (KDE Plasma, CUPS, etc.)
+
+{
+  config,
+  lib,
+  pkgs,
+  inputs,
+  ...
+}:
+
+with lib;
+
+let
+  cfg = config.athenix.sw.bigscreen;
+in
+{
+  options.athenix.sw.bigscreen = mkOption {
+    type = lib.types.submodule {
+      options = {
+        enable = mkOption {
+          type = lib.types.bool;
+          default = false;
+          description = ''
+            Enable full desktop environment with KDE Plasma 6 Bigscreen.
+
+            Includes:
+            - KDE Plasma 6 desktop with SDDM display manager
+            - Printing and scanning support (CUPS)
+            - Virtualization (libvirt, virt-manager)
+            - Bluetooth and audio (PipeWire)
+
+            Recommended for: home theater PCs, media centers, and large-screen desktops.
+          '';
+          example = true;
+        };
+      };
+    };
+    default = { };
+    description = "Desktop environment configuration (KDE Plasma 6).";
+  };
+
+  config = mkIf cfg.enable (mkMerge [
+    (import ./programs.nix {
+      inherit
+        config
+        lib
+        pkgs
+        inputs
+        ;
+    })
+    (import ./services.nix {
+      inherit
+        config
+        lib
+        pkgs
+        inputs
+        ;
+    })
+  ]);
+}

sw/bigscreen/programs.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+with lib;
+
+let
+  cfg = config.athenix.sw;
+  basePackages = with pkgs; [
+    tmux
+    man
+    (chromium.override {
+      commandLineArgs = [ "--enable-features=TouchpadOverscrollHistoryNavigation" ];
+    })
+    lm_sensors
+  ];
+in
+{
+  environment.systemPackages = subtractLists cfg.excludePackages (basePackages ++ cfg.extraPackages);
+
+  programs.mtr.enable = true;
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  programs.virt-manager.enable = true;
+}

sw/bigscreen/services.nix

@@ -0,0 +1,74 @@
+{
+  lib,
+  pkgs,
+  ...
+}:
+
+let   
+  xelpkgs = pkgs: import ../../pkgs pkgs;
+  bigscreenpkgs = xelpkgs pkgs;
+in  
+
+{
+  athenix.sw.python.enable = lib.mkDefault true;
+
+  services.displayManager.sddm = {
+    enable = true;
+    theme = "breeze";
+    wayland.enable = true;
+    enableHidpi = true;
+    settings = {
+      Autologin = {
+        Session = "plasma-bigscreen-wayland";
+        User = "engr-ugaif";
+      };
+    };
+  };
+  services.desktopManager.plasma6.enable = true;
+  services.displayManager.sessionPackages = with bigscreenpkgs; [
+    plasma-bigscreen
+  ];
+
+  services.printing.enable = true;
+
+  networking.networkmanager.enable = true;
+
+  services.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+
+  fonts.packages = with pkgs; [
+    nerd-fonts.fira-code
+    corefonts
+    noto-fonts
+  ];
+  fonts.fontconfig = {
+    enable = true;
+    defaultFonts.monospace = [ "FiraCode Nerd Font Mono" ];
+  };
+
+  hardware.bluetooth.enable = true;
+  services.blueman.enable = true;
+
+  networking.firewall.enable = true;
+
+  services.flatpak.enable = true;
+  xdg.portal.enable = true;
+  xdg.portal.extraPortals = [ pkgs.kdePackages.xdg-desktop-portal-kde ];
+
+  virtualisation.libvirtd.enable = true;
+
+  services.thermald.enable = true;
+
+  services.fwupd.enable = true;
+
+  services.openssh = {
+    enable = true;
+    settings.PermitRootLogin = "no";
+  };
+}

sw/default.nix

@@ -32,6 +32,7 @@ in
     ./builders
     ./tablet-kiosk
     ./stateless-kiosk
+    ./bigscreen
     inputs.home-manager.nixosModules.home-manager
     inputs.agenix.nixosModules.default
     inputs.disko.nixosModules.disko