Thu Jun 28 23:53:31 2001  Tim Janik  <timj@gtk.org>

        * gtk/gtkwidget.c (gtk_widget_hide): !GTK_OBJECT_DESTROYED() ->
        GTK_WIDGET_REALIZE() for resize queueing.

        * gtk/gtkmain.c (gtk_main_do_event): !GTK_OBJECT_DESTROYED() ->
        GTK_WIDGET_REALIZE() for post event delivery destruction upon
        GDK_DESTROY.

        * gtk/gtkwidget.c: added GtkWidget::event-after notification signal, to
        sompensate for former (pre-2.0) connect_after() facility.
        (gtk_widget_send_expose):
        (gtk_widget_event): assert the widget is realized, since event delivery
        to non-realized widgets is essentially a bug. event handlers should
        be able to unconditionally rely on widget->window (unless they
        emit events on their own which can trigger widget destruction).
        (gtk_widget_event_internal): removed old outdated GTK_OBJECT_DESTROYED()
        logic. event delivery happens as follows:
 ...