Fixed a buffer overflow.

include/dawn/ui/menulist.h

@@ -18,12 +18,19 @@
 /** Maximum number of items that the list supports */
 #define MENULIST_ITEMS_MAX 32
 
+typedef struct _menulist_t menulist_t;
+
+/** Callback for when a menulist item is selected */
+typedef void menulistcallback_t(menulist_t *list, uint8_t i, void *user);
+
 /** Representation of a menu list, a menu with multiple menu items. */
-typedef struct {
+typedef struct _menulist_t {
   float x, y;
   char *items[MENULIST_ITEMS_MAX];
   label_t labels[MENULIST_ITEMS_MAX];
   frame_t frame;
   menu_t menu;
   rectangle_t selection;
+  menulistcallback_t *onSelect;
+  void *user;
 } menulist_t;