The GtkHScrollbar widget is a widget arranged horizontally creating a scrollbar. See GtkScrollbar for details on scrollbars. GtkAdjustment pointers may be added to handle the adjustment of the scrollbar or it may be left %NULL in which case one will be created for you. See GtkScrollbar for a description of what the fields in an adjustment represent for a scrollbar. GtkHScrollbar has been deprecated, use GtkScrollbar instead.