Re: Problem in updating progress bar

[Paul Davis <paul linuxaudiosystems com>]

On Thu, 2006-06-15 at 18:07 +0000, DC A wrote:
> What could be the reason for using gtk_events_pending() and 
> gtk_main_iteration() in the following code snippet:
> 
> 
> for( gflt=0; gflt<=1;  ){
>         gtk_progress_bar_update( (GtkProgressBar*)pbar, gflt );
>         //update
>         while (gtk_events_pending ())
>             gtk_main_iteration ();
>         gflt += 0.1;
>         sleep(1);
>        if ( gflt > 1 ) break;
>     }
> 
> why the code cannot update the progressbar without these two functions? I 
> saw the API but still it is not clear to me.

google for "event based programming main loop"

programming GUIs is very different in its basic control flow model than
writing simple non-user-driven procedural software.