Returns the toolbar style used for tool_item. Custom subclasses of
GtkToolItem should call this function in the handler of the
GtkToolItem::toolbar_reconfigured signal to find out in what style
the toolbar is displayed and change themselves accordingly
Since 2.4
Returns the toolbar style used for tool_item. Custom subclasses of GtkToolItem should call this function in the handler of the GtkToolItem::toolbar_reconfigured signal to find out in what style the toolbar is displayed and change themselves accordingly Since 2.4