M src/util/gui/menu.c → src/util/gui/menu.c

@@ -56,7 +56,14 @@ break;
 		}
 		if (newInput & (1 << GUI_INPUT_SELECT)) {
 			*item = *GUIMenuItemListGetPointer(&menu->items, menu->index);
-			return GUI_MENU_EXIT_ACCEPT;
+			if (item->submenu) {
+				enum GUIMenuExitReason reason = GUIShowMenu(params, item->submenu, item);
+				if (reason != GUI_MENU_EXIT_BACK) {
+					return reason;
+				}
+			} else {
+				return GUI_MENU_EXIT_ACCEPT;
+			}
 		}
 		if (newInput & (1 << GUI_INPUT_BACK)) {
 			return GUI_MENU_EXIT_BACK;

M src/util/gui/menu.h → src/util/gui/menu.h

@@ -8,9 +8,11 @@ #define GUI_MENU_H
 
 #include "util/vector.h"
 
+struct GUIMenu;
 struct GUIMenuItem {
 	const char* title;
 	void* data;
+	struct GUIMenu* submenu;
 };
 
 DECLARE_VECTOR(GUIMenuItemList, struct GUIMenuItem);