use strict;
use warnings;

use Tk;
use Date::Manip;

my $time = UnixDate('now',"The time is: %r on %B %d, %Y");

my $mw = MainWindow->new( -title => 'Time Test' );

my @pack_opts = qw/-fill both -padx 2 -pady 2 -expand 1/;

my $frm = $mw->Frame( -bd => 2 )->pack;

my $lbl = $frm->Label( -text => $time )->pack(@pack_opts);

my $oper = $frm->Button(
    -text    => "Entrada De Operaciones",
    -command => sub { print "Hello World\n" },
)->pack(@pack_opts);

my $client = $frm->Button(
    -text    => 'Informe De Clientes',
    -command => sub { print "Hello World\n" },
)->pack(@pack_opts);

my $general = $frm->Button(
    -text    => 'Informe General',
    -command => sub { print "Hello World\n" },
)->pack(@pack_opts);

my $util = $frm->Button(
    -text    => 'Utilidades',
    -command => sub { print "Hello World\n" },
)->pack(@pack_opts);

my $exit = $frm->Button(
    -text    => 'Exit Application',
    -command => sub { $mw->destroy },
)->pack(@pack_opts);

$mw->repeat( 1000 => sub { update_time() } );

MainLoop;

sub update_time {
    my $time = UnixDate( 'now', "The time is: %r on %B %d, %Y" );
    $lbl->configure( -text => $time );
}

##</code><code>##

use strict;
use warnings;

use Tk;
use Tk::StrfClock;

my $mw = MainWindow->new( -title => 'Time Test' );

my @pack_opts = qw/-fill both -padx 2 -pady 2 -expand 1/;

my $frm = $mw->Frame( -bd => 2 )->pack;

$frm->StrfClock()->pack(@pack_opts);

my $oper = $frm->Button(
    -text    => "Entrada De Operaciones",
    -command => sub { print "Hello World\n" },
)->pack(@pack_opts);

my $client = $frm->Button(
    -text    => 'Informe De Clientes',
    -command => sub { print "Hello World\n" },
)->pack(@pack_opts);

my $general = $frm->Button(
    -text    => 'Informe General',
    -command => sub { print "Hello World\n" },
)->pack(@pack_opts);

my $util = $frm->Button(
    -text    => 'Utilidades',
    -command => sub { print "Hello World\n" },
)->pack(@pack_opts);

my $exit = $frm->Button(
    -text    => 'Exit Application',
    -command => sub { $mw->destroy },
)->pack(@pack_opts);

MainLoop;