Called for list boxes that are bound to a gio.list_model.ListModel with gtk.list_box.ListBox.bindModel for each item that gets added to the model.
If the widget returned is not a #GtkListBoxRow widget, then the widget will be inserted as the child of an intermediate #GtkListBoxRow.
a gtk.widget.Widget that represents item
Called for list boxes that are bound to a gio.list_model.ListModel with gtk.list_box.ListBox.bindModel for each item that gets added to the model.
If the widget returned is not a #GtkListBoxRow widget, then the widget will be inserted as the child of an intermediate #GtkListBoxRow.