g_signal_connect_swapped (button, "clicked",
G_CALLBACK(gtk_widget_destroy), window);
gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
- GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
+ gtk_widget_set_can_default (button, TRUE);
gtk_widget_grab_default (button);
gtk_widget_show (button);
}