--- a/ui/gtk/menu.h	Tue Oct 14 12:48:55 2025 +0200
+++ b/ui/gtk/menu.h	Wed Oct 15 18:08:43 2025 +0200
@@ -98,6 +98,14 @@
     void             *userdata;
 };
 
+typedef struct UiMenuRadioGroup {
+    UiObject      *obj;
+    CxList        *callbacks;
+    UiVar         *var;
+    GSimpleAction *action;
+} UiMenuRadioGroup;
+
+
 void ui_gmenu_add_menu_items(GMenu *parent, int i, UiMenu *menu, UiObject *obj);
 
 void ui_gmenu_add_menu(GMenu *parent, int index, UiMenuItemI *item, UiObject *obj);