+#define SCROLL_LINE_RIGHT (7)
+#define SCROLL_LINE_LEFT (8)
+
+#define SCROLL_MODE_TEXT (0) /* Used in text mode & for GUI submenus */
+#define SCROLL_MODE_ICONS (1) /* Used for main GUI menu */
+
+#define TOUCH_NO_ITEM (-1)
+#define TOUCH_LEFT_ARROW (-2)
+#define TOUCH_RIGHT_ARROW (-3)