#!/usr/local/bin/perl  -w
use Tk;
require Tk::TextUndo;
require Tk::Adjuster;
require Tk::Listbox;

use Carp;

$SIG{__DIE__} = \&Carp::confess;

my $mw = MainWindow->new;


# Uncomment next line to avoid the warning - this a test of the warning
# use Tk::TextUndo;       
my $t1  = $mw->Scrolled('TextUndo', -wrap => 'none');
my $lb  = $mw->Scrolled('Listbox');
my $aj  = $mw->Adjuster(-widget => $lb, -side => 'left', -delay => 1);
$lb->grid(-col => 0, -row => 0, -sticky => 'nsew');
$aj->grid(-col => 1, -row => 0, -sticky => 'nsew');
$t1->grid(-col => 2, -row => 0, -sticky => 'nsew');
$mw->gridColumnconfigure(2, -weight => 1);
$lb->bind('<Double-ButtonRelease-1>',sub { $t1->Load($lb->Getselected) });

# $mw->idletasks;
# $mw->gridPropagate(0);


opendir(DIR,'.');
my $name;
foreach $name (readdir(DIR))
 {
  $lb->insert('end',$name) if (-T $name);
 }
closedir(DIR);
MainLoop;
