+#define INFOTEXT_UNDEFINED ""
+#define INFOTEXT_GRAPHICS_DIR "Custom Graphics"
+#define INFOTEXT_SOUNDS_DIR "Custom Sounds"
+#define INFOTEXT_MUSIC_DIR "Custom Music"
+#define INFOTEXT_LEVEL_DIR "Level Sets"
+
+#define TREE_INFOTEXT(t) ((t) == TREE_TYPE_LEVEL_DIR ? \
+ INFOTEXT_LEVEL_DIR : \
+ (t) == TREE_TYPE_GRAPHICS_DIR ? \
+ INFOTEXT_GRAPHICS_DIR : \
+ (t) == TREE_TYPE_SOUNDS_DIR ? \
+ INFOTEXT_SOUNDS_DIR : \
+ (t) == TREE_TYPE_MUSIC_DIR ? \
+ INFOTEXT_MUSIC_DIR : \
+ INFOTEXT_UNDEFINED)