"jim Pharis" wrote:
> I have an external synchronous library call that takes a while to
> complete. I want to display a progress bar well I'm waiting.
>
> The problem is, even when the progress bar is in the thread in a loop
> calling gtk_progress_bar_pulse, the progress bar still looks like its
> frozen.
Graphical updates (or any other signs of life in a GTK+ application)
only occur when the GTK+ main loop gets entered. This is either the case
when a handler (your library call) finishes or gtk_main_iteration() gets
invoked from within a handler. You will want to use the 2nd method.
Basically, after each gtk_progress_bar_pulse() you should do this:
while (gtk_events_pending ())
gtk_main_iteration ();
See:
http://developer.gnome.org/doc/API/2.0/gtk/gtk-General.html#gtk-events-pending
Possibly also helpful for your understanding:
http://mail.gnome.org/archives/gtk-app-devel-list/2006-February/msg00266.html
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