style/theming.nix: init

modules/style/theming.nix

@@ -0,0 +1,47 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib.modules) mkMerge mkIf;
+  inherit (lib.options) mkEnableOption;
+  cfg = config.modules.usrEnv.theming;
+in {
+  options.modules.usrEnv.theming = {
+    gtk.enable = mkEnableOption "gtk theming";
+    qt.enable = mkEnableOption "qt theming";
+  };
+  config = mkMerge [
+    (mkIf cfg.gtk.enable {
+      environment = {
+        systemPackages = builtins.attrValues {
+          inherit (pkgs) rose-pine-cursor;
+        };
+        etc = {
+          "xdg/gtk-4.0/settings.ini".text = ''
+            [Settings]
+            gtk-application-prefer-dark-theme=true
+            gtk-cursor-theme-name=BreezeX-RosePine-Linux
+          '';
+
+          "xdg/gtk-3.0/settings.ini".text = ''
+            [Settings]
+            gtk-application-prefer-dark-theme=true
+            gtk-cursor-theme-name=BreezeX-RosePine-Linux
+          '';
+
+          "xdg/gtk-2.0/gtkrc".text = ''
+            gtk-cursor-theme-name = "BreezeX-RosePine-Linux"
+            gtk-cursor-theme-size = 30
+          '';
+
+          "xdg/Xresources".text = ''
+            Xcursor.size: 30
+            Xcursor.theme: BreezeX-RosePine-Linux
+          '';
+        };
+      };
+    })
+  ];
+}