use Tk;
use strict;

my $mw = MainWindow->new;

my $popup = $mw->Menu(-tearoff => 0);


$popup->command(-label => 'Test print', -command => sub {
  print "test\n";
  $popup->Unpost;
});

$mw->bind('<ButtonPress-3>', sub {
  $popup->Popup(-popover => 'cursor', -popanchor => 'sw');
});

MainLoop;