tool.item
is visible when the toolbar is docked
vertically. Some tool items, such as text entries, are too wide to be
useful on a vertically docked toolbar. If visible.vertical
is FALSE
tool.item
will not appear on toolbars that are docked vertically.gtkToolItemSetVisibleVertical(object, visible.vertical)
object
visible.vertical
tool.item
is visible when the toolbar
is in vertical mode