#!/usr/bin/perl
use warnings;
use strict;
use Tk;

my $mw = MainWindow->new();
$mw->protocol('WM_DELETE_WINDOW' => sub {});
$|++;

my $url = shift || '';

my $canv = $mw->Canvas(-bg => 'lightsteelblue',
     -relief => 'sunken',
     -width => 650,
     -height => 450,
     )->pack(-expand => 1, -fill => 'both');

my $contWidth = 500;
my $contHeight = 400;

## this Frame is needed for including the xterm in Tk::Canvas 
my $Container = $canv->Frame(-container => 1);
my $xtid = $Container->id();
# converting the id from HEX to decimal as xterm requires a decimal Id 
my ($xtId) = sprintf hex $xtid;

my $dcontitem = $canv->createWindow(325,225,
   -window => $Container,
   -width => $contWidth,
   -height => $contHeight,
   -state => 'normal');

my $t = $mw->Scrolled('Text',
     -width => 80,
     -height => 10,
     -bg=> 'black',
     -fg => 'hotpink',
          )->pack( -expand=> 'x');

my $cframe = $mw->Frame()->pack(-expand =>'x');

my $pid ||= $$;
$cframe->Button(-text => "Start",
         -command => sub{
    $pid = open(DIL, "dillo -x $xtId  $url |");

    $mw->fileevent(\*DIL,'readable',sub{
                                   my $str= <DIL>;
                                   $t->insert('end',$str);
                                   $t->see('end');
                             });
 })->pack(-side =>'left',-padx=>5 );

$cframe->Button(-text => "Exit",
          -command => sub{
                          kill 9, $pid;
                          close DIL;
                          Tk::exit;
                         }
                  )->pack(-side=>'right' );


MainLoop();