Fethiye Akbulut wrote:
> I would like to show the elapsed time since one of the windows is popped up.
> I have created a GtkEntry and and my plan is to update its value every
> second. The updated value is not written back to the Entry box. Is there a
> way that I could do that easily, without having an infinite loop to wait for
> a second to pass?
Hi Fethiye,
I'd do this by adding a timeout callback:
in your window build function:
label = gtk_label_new( "0" );
gtk_timeout_add( 1000, (GtkFunction) update_time, label );
where update_time() is:
static gboolean
update_time( GtkWidget *label )
{
static int ticks = 0;
ticks += 1;
label_setf( label, "%d", ticks );
return( TRUE );
}
and label_setf() is:
static void
label_setf( GtkWidget *label, const char *fmt, ... )
{
va_list ap;
char buf[ 10000 ];
va_start( ap, fmt );
vsprintf( buf, fmt, ap );
va_end( ap );
gtk_label_set_text( label, buf );
}
HTH, John
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