types: create fontType option type

modules/lib/types.nix

@@ -33,4 +33,27 @@ in
         foldl' (res: def: mergeAttrs res (def.value self super)) {} defs;
   };
 
+  fontType = types.submodule {
+    options = {
+      package = mkOption {
+        type = types.nullOr types.package;
+        default = null;
+        example = literalExample "pkgs.dejavu_fonts";
+        description = ''
+          Package providing the font. This package will be installed
+          to your profile. If <literal>null</literal> then the font
+          is assumed to already be available in your profile.
+        '';
+      };
+
+      name = mkOption {
+        type = types.str;
+        example = "DejaVu Sans 8";
+        description = ''
+          The family name and size of the font within the package.
+        '';
+      };
+    };
+  };
+
 }

modules/misc/gtk.nix

@@ -27,29 +27,6 @@ let
     in
       "${n} = ${v'}";
 
-  fontType = types.submodule {
-    options = {
-      package = mkOption {
-        type = types.nullOr types.package;
-        default = null;
-        example = literalExample "pkgs.dejavu_fonts";
-        description = ''
-          Package providing the font. This package will be installed
-          to your profile. If <literal>null</literal> then the font
-          is assumed to already be available in your profile.
-        '';
-      };
-
-      name = mkOption {
-        type = types.str;
-        example = "DejaVu Sans 8";
-        description = ''
-          The family name and size of the font within the package.
-        '';
-      };
-    };
-  };
-
   themeType = types.submodule {
     options = {
       package = mkOption {
@@ -87,7 +64,7 @@ in
       enable = mkEnableOption "GTK 2/3 configuration";
 
       font = mkOption {
-        type = types.nullOr fontType;
+        type = types.nullOr hm.types.fontType;
         default = null;
         description = ''
           The font to use in GTK+ 2/3 applications.