just forget to start the time beat:
===================================
unsigned int t;
t = /* what you want in micro seconds */
itv.it_value.tv_sec = t / 1000000;
itv.it_value.tv_usec = t % 1000000;
itv.it_interval.tv_sec = itv.it_value.tv_sec;
itv.it_interval.tv_usec = itv.it_value.tv_usec;
setitimer( ITIMER_REAL, &itv, 0 );
On Fri, May 19, 2000 at 10:14:09AM +0800, Reed Lai wrote:
> I just do a timer event as following:
>
> to initial a time beat and handler
> ==================================
>
> #include <signal.h>
> #include <uinstd.h>
> #include <sys/time.h>
>
> #include <gnome.h>
>
> enum {
> BEAT,
> LAST_SIGNAL
> };
>
> struct itimerval itv, oitv;
> guint time_signals[LAST_SIGNAL];
>
> void beat_close()
> {
> setitimer( ITIMER_REAL, &oitv, &itv );
> }
>
> void beat_handler( int sig )
> {
> /**************************
> * emit signal to objects *
> **************************/
> gtk_signal_emit( /* gtk object */, time_signals[BEAT] );
> ...
> }
>
> int beat_init()
> {
> static struct sigatcion act;
>
> /******************
> * clear old beat *
> ******************/
> itv.it_interval.tv_sec = 0;
> itv.it_interval.tv_usec = 0;
>
> it.it_value.tv_sec = 0;
> it.it_value.tv_usec = 0;
>
> setitimer( ITIMER_REAL, &itv, &oitv );
>
> /****************************
> * create new signal "beat" *
> ****************************/
> time_signals[BEAT] = gtk_signal_new( "beat",
> GTK_RUN_LAST | GTK_RUN_ACTION,
> GTK_TYPE_OBJECT,
> 0,
> gtk_marshall_NONE__NONE,
> GTK_TYPE_NONE, 0 );
>
> /************************
> * set action for alarm *
> ************************/
> act.sa_handler = beat_handler;
> sigemptyset( &act.sa_mask );
> sigaddset( &act.sa_mask, SIGALRM );
> return( sigaction( SIGALRM, &act, NULL ) );
> }
>
>
> to connect to signal "beat"
> ===========================
> ...
> gtk_object_class_add_signals( GTK_OBJECT(widget)->klass,
> time_signals, LAST_SIGNAL );
>
> gtk_signal_connect( GTK_OBJECT(widget), "beat"
> GTK_SIGNAL_FUNC(on_what_object_handler_when_beat),
> NULL );
> ...
>
>
> HTH
>
> On Thu, May 18, 2000 at 06:41:35PM -0700, Dominique Nerriere wrote:
> > Hi all,
> >
> > I didn't find a way to generate an event with a timer, does gtk/gtk/glib provide
>such a thing?
> >
> > I need a function to be called every 1/33 seconde
> >
> > Thanks for your help :)
> >
> > Dominique
> >
> >
> > Get your FREE Email at http://mailcity.lycos.com
> > Get your PERSONALIZED START PAGE at http://my.lycos.com
> >
> > _______________________________________________
> > gtk-app-devel-list mailing list
> > [EMAIL PROTECTED]
> > http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
>
> --
> Reed Lai http://w3.icpdas.com/reed/ | ICPDAS http://www.icpdas.com
> GnuPG (DSA/ElGamal) 0x7199EAD3 Reed Lai (key #1) <[EMAIL PROTECTED]>
> KeyServer: search.keyserver.net | HAM: BV4QO | NIC-handle: RL7000
> ICQ 64518529
>
--
Reed Lai http://w3.icpdas.com/reed/ | ICPDAS http://www.icpdas.com
GnuPG (DSA/ElGamal) 0x7199EAD3 Reed Lai (key #1) <[EMAIL PROTECTED]>
KeyServer: search.keyserver.net | HAM: BV4QO | NIC-handle: RL7000
ICQ 64518529
