Add theme configuration (gtk,qt,cursor)

options/home/default.nix

@@ -6,6 +6,7 @@ in
     ./programs
     ./git.nix
     ./wms.nix
+    ./theme.nix
   ];
 
   options.myOptions.home-manager = {

options/home/theme.nix

@@ -0,0 +1,108 @@
+{ lib, pkgs, ... }: let
+  inherit (lib) mkEnableOption mkOption types;
+in 
+{
+  options.myOptions.home-manager.theme = {
+    gtk = {
+      enable = mkEnableOption "GTK theming optionss";
+      usePortal = mkEnableOption "native desktop portal use for filepickers";
+
+      theme = {
+        name = mkOption {
+          type = types.str;
+          default = "Catppuccin-Mocha-Standard-Blue-dark";
+          description = "The name for the GTK theme package";
+        };
+
+        package = mkOption {
+          type = types.package;
+          description = "The theme package to be used for GTK programs";
+          default = pkgs.catppuccin-gtk.override {
+            size = "standard";
+            accents = ["blue"];
+            variant = "mocha";
+            tweaks = ["normal"];
+          };
+        };
+      };
+
+      iconTheme = {
+        name = mkOption {
+          type = types.str;
+          description = "The name for the icon theme that will be used for GTK programs";
+          default = "Papirus-Dark";
+        };
+
+        package = mkOption {
+          type = types.package;
+          description = "The GTK icon theme package to be used";
+          default = pkgs.catppuccin-papirus-folders.override {
+            accent = "blue";
+            flavor = "mocha";
+          };
+        };
+      };
+
+      font = {
+        name = mkOption {
+          type = types.str;
+          description = "The name of the font that will be used for GTK applications";
+          default = "Lexend"; # Noto Sans
+        };
+
+        size = mkOption {
+          type = types.int;
+          description = "The size of the font";
+          default = 14;  # 10
+        };
+      };
+    };
+
+    qt = {
+      forceGtk = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Whether to force QT applications to try and use the GTK theme.";
+      };
+
+      theme = {
+        name = mkOption {
+          type = types.str;
+          default = "Catppuccin-Mocha-Dark";
+          description = "The name for the QT theme package";
+        };
+
+        package = mkOption {
+          type = types.package;
+          description = "The theme package to be used for QT programs";
+          default = pkgs.catppuccin-kde.override {
+            flavour = ["mocha"];
+            accents = ["blue"];
+            winDecStyles = ["modern"];
+          };
+        };
+      };
+    };
+
+    cursor = {
+      name = mkOption {
+        type = types.str;
+        default = "catppuccin-mocha-dark-cursors";
+        description = "The name of the cursor inside the package";
+      };
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.catppuccin-cursors.mochaDark;
+        description = "The package providing the cursors";
+      };
+
+      size = mkOption {
+        type = types.int;
+        default = 24;
+        description = "The size of the cursor";
+      };
+    };
+
+  };
+}