+ widget = gtk_combo_box_text_new ();
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Horizontal");
+ gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Vertical");
+ gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);
+ gtk_widget_show (widget);
+ gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
+
+ g_signal_connect (G_OBJECT (widget), "changed",
+ G_CALLBACK (orientation_changed), area);
+