wew lad

modules/kiosk.nix

@@ -0,0 +1,84 @@
+{ config, lib, pkgs, ... }:
+with lib;
+let
+  cfg = config.services.kiosk;
+in
+{
+  options.services.kiosk = {
+    enable = mkEnableOption "Enable simple kiosk display";
+
+    user = mkOption {
+      type = types.str;
+      default = "root";
+      description = "The user to run the kiosk under";
+    };
+
+    cursor = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Allow a cursor";
+    };
+
+    session = mkOption {
+      type = types.lines;
+      default = "${pkgs.kitty}/bin/kitty ${pkgs.htop}/bin/htop";
+      description = "The session script to run for the kiosk";
+    };
+
+    wayland = mkOption {
+      type = types.bool;
+      default = false;
+      description = "Use wayland instead of xserver";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.cage = mkIf cfg.wayland {
+      enable = true;
+      user = cfg.user;
+      program = cfg.session;
+      # TODO cursor
+    };
+
+    services.xserver = mkIf (!cfg.wayland) {
+      enable = true;
+
+      windowManager.ratpoison.enable = true;
+
+      monitorSection = ''
+        Option   "NODPMS"
+      '';
+
+      serverLayoutSection = ''
+        Option   "BlankTime" "0"
+        Option   "DPMS" "false"
+      '';
+
+      displayManager.lightdm = {
+        enable = true;
+        autoLogin = {
+          enable = true;
+          user = "${cfg.user}";
+        };
+      };
+
+      displayManager.xserverArgs = if cfg.cursor then [ ] else [ "-nocursor" ];
+      displayManager.defaultSession = "kiosk+ratpoison";
+
+      desktopManager.session = [
+        {
+          name = "kiosk";
+          start = ''
+            # dont blank the screen after 5min
+            xset dpms force on
+            xset -dpms
+            xset s noblank
+            xset s off
+
+            ${cfg.session}
+          '';
+        }
+      ];
+    };
+  };
+}