Gtk.ToolItem::toolbar-reconfigured

function callback(tool_item, ):void;

This signal is emitted when some property of the toolbar that the item is a child of changes. For custom subclasses of Gtk.ToolItem, the default handler of this signal use the functions <itemizedlist> <listitem>Gtk.get_orientation</listitem> <listitem>Gtk.get_style</listitem> <listitem>Gtk.get_icon_size</listitem> <listitem>Gtk.get_relief_style</listitem> </itemizedlist> to find out what the toolbar should look like and change themselves accordingly.