Re: Progress bars and syscalls

[Carlo <carlo-ag libero it>]

Aristidas Vilkaitis ha scritto lo scorso 18/04/2005 12:51:
> Hello,
>
>  Since i'm quite new to both C and Gtk, i met a problem which i am not 
> able to solve. The     base  of the problem is that i have a task, which 
> should fetch several files from the internet. When a button is pressed, 
> a new window with a progress bar opens and indicates the progress of the 
> task. Basicly, since i thought C is a linear language, i just added 
> several system() calls and added gtk_progress_bar_set_fraction between 
> them like so:
>
> ...
>  system("wget file.a");
>  gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pb1), 0.3);
   /* return control to main loop in order to serve all pending
    * requests
    */
   while ((gtk_events_pending ()) {
      gtk_main_iteration ();
   }
>  system("wget file.b");
>  gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pb1), 0.6);  ...
   while ((gtk_events_pending ()) {
      gtk_main_iteration ();

   }
>

This should do the job.