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hi all,
i have a problem with the code fragment below. i seem to miss something
very basic.
'doit()' may take a long time. to give to user some feedback i want to
display "start" in the statusbar before starting with 'doit()'.
after 'doit()' returns i want to update the statusbar. the problem is
that i never see the "start" message. the whole processing of the status
bar (push "start", pop "start", push "stop") seems to take place when
process returns. yes, i verified that "start" is pushed onto the stack.
what am i missing? / how do i achieve the desired effect?
void
process (GtkWidget * widget, gpointer data)
{
gtk_statusbar_push (GTK_STATUSBAR (status_bar),
(guint) & data, "start");
/* update status bar. show "start" */
gdk_window_process_updates (status_bar->window, TRUE);
doit (); /* this takes long */
/* update status bar. pop "start", then show "stop" */
gtk_statusbar_pop (GTK_STATUSBAR (status_bar), (guint) & data);
gtk_statusbar_push (GTK_STATUSBAR (status_bar),
(guint) & data, "stop");
return;
}
thanks in advance
please cc me, i am not subscribed)
- --
Dr. Ivo Alxneit
Laboratory for Solar Technology phone: +41 56 310 4092
Paul Scherrer Institute fax: +41 56 310 2688
CH-5232 Villigen http://solar.web.psi.ch
Switzerland gnupg key: 0x515E30C7
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