#!/usr/bin/env perl

use strict;
use warnings;

use stfl;
use MCE::Hobo 1.831;
use MCE::Shared;
use Time::HiRes qw/sleep/;

my $q = MCE::Shared->queue();

my $layout; {
    open my $fh, "<", "example.stfl"
        or die "open error 'example.stfl': $!";

    local $/; $layout = <$fh>;
}

my $f = stfl::create($layout);
my $s = 0;

# MCE::Hobo 1.832 and later releases will set posix_exit
# automatically when present, $INC{'stfl.pm'}.

MCE::Hobo->init( posix_exit => 1 );

mce_async {
    my $c = 10000;
    sleep(0.9), $q->enqueue([ 'text 1', ++$c ]) while 1;
};
mce_async {
    my $c = 20000;
    sleep(0.6), $q->enqueue([ 'text 2', ++$c ]) while 1;
};
mce_async {
    my $c = 30000;
    sleep(0.3), $q->enqueue([ 'text 3', ++$c ]) while 1;
};

$f->set('helpmsg', '[ ESC = exit ]');

while (1) {
    my $event = $f->run(50);

    foreach my $ret ($q->dequeue_nb(3)) {
        # must stringify in case numeric value
        $f->set($ret->[0], ''.$ret->[1]);
    }

    next unless (defined $event);
    last if $event eq "ESC";
}

$_->exit()->join() for MCE::Hobo->list();