Re: how to tell gtk to update only the GUI

["Gian Mario Tagliaretti" <g tagliaretti gmail com>]

2006/5/3, David Necas (Yeti) <yeti physics muni cz>:
> On Wed, May 03, 2006 at 10:03:34AM -0400, Tristan Van Berkom wrote:
> >
> > If you need your application to refuse button & key press events
> > (but still refresh itself graphicly), you should set the sensitivity
> > of your buttons during the lengthly operation (and just ignore key
> > press events).
>
> I agree the right thing is normally to make the widgets
> insensitive but it is possible to do what Mehmet requested
> too with gtk_grab_add() on some `passive' widget -- see the
> attached example.

Cool solution David, the only thing I did not understood is why you put twice:

while (gtk_events_pending())
           gtk_main_iteration_do(FALSE);


is the second one really needed?

>     gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), 0.0);
>     gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), NULL);
>     while (gtk_events_pending())
>         gtk_main_iteration_do(FALSE);

ciao
--
Gian Mario Tagliaretti
http://www.parafernalia.org/pygtk/
http://pygstdocs.berlios.de