combo_box_hyphen_separator_func

@accepts(Gtk.TreeModel, Gtk.TreeIter, gpointer)
@returns(gboolean)
def combo_box_hyphen_separator_func(model, iter, data)

A row separator function to use for GtkComboBox widgets. It expects the model to contain a string in its first column, and interprets a string containing a single hyphen character as a separator.