snowfall migration

modules/nixos/display-managers/sddm/default.nix

@@ -0,0 +1,33 @@
+{ config, lib, pkgs, namespace, ... }:
+let
+  inherit (lib) mkIf;
+
+  cfg = config.${namespace}.display-managers.sddm;
+in
+{
+  options.${namespace}.display-managers.sddm = {
+    enable = lib.mkEnableOption "sddm";
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      catppuccin-sddm
+    ];
+
+    services = {
+      displayManager = {
+        sddm = {
+          inherit (cfg) enable;
+          package = pkgs.kdePackages.sddm;
+          theme = "catppuccin-mocha";
+          wayland.enable = true;
+        };
+      };
+    };
+
+    environment.sessionVariables = {
+      QT_SCREEN_SCALE_FACTORS = "2";
+      QT_FONT_DPI = "192";
+    };
+  };
+}