function Selection(int index)

function var add(var item, var pos)

function var addEmpty(var pos)

function var addEmptyRows(int amount)

function var clear()

function var fillRow()

function var fillWithEmptyRows()

function UserObject getItem(ivec2 key)

function table<ivec2, UserObject> getItems()

function ivec2 getMouseOveredKey()

function int, Rect getRect(int x, int y)

function var remove(ivec2 key)

function var select(ivec2 pos)

function var selectNoCallback(ivec2 pos)

function var setCustomRects(table_t rects)

function var setFieldSize(float in)

function var setShowScrollArrows(bool showTop, bool showBottom, float width)

function var unselect()

function var hide()

function bool isMouseOverAndUnobscured()

function var show()