gtk_toolbar_set_show_arrow (GTK_TOOLBAR (toolbar), TRUE);
gtk_toolbar_set_icon_size (GTK_TOOLBAR (toolbar),
GTK_ICON_SIZE_SMALL_TOOLBAR);
+ gtk_style_context_add_class (gtk_widget_get_style_context (toolbar),
+ GTK_STYLE_CLASS_PRIMARY_TOOLBAR);
gtk_widget_show (toolbar);
gtk_box_pack_start (GTK_BOX (vbox), toolbar, FALSE, FALSE, 0);