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

my $down = 0;
my $mw = MainWindow->new;
$mw->bind("<Key>",  sub { &pressed  } );
$mw->bind("<KeyRelease>",  sub { &released  } );
MainLoop;

sub pressed{
  my($widget) = @_;
  my $e = $widget->XEvent;    # get reference to X11 event structure
  my $binding = 'Character = ' . $e->N . ', keysym = ' . $e->K . '.';
  print "$binding\n";
  print $e->K," pressed\n";
}

sub released{
  my($widget) = @_;
  my $e = $widget->XEvent;    # get reference to X11 event structure
  my $binding = 'Character = ' . $e->N . ', keysym = ' . $e->K . '.';
  print "$binding\n";
  print $e->K," released\n";
}