/usr/local/CPAN/Win32-CtrlGUI/Win32/CtrlGUI/Criteria/xor.pm

• package Win32::CtrlGUI::Criteria::xor
  • _is_recognized
• EOF

###########################################################################
# Copyright 2000, 2001 Toby Everett.  All rights reserved.
#
# This file is distributed under the Artistic License. See
# http://www.ActiveState.com/corporate/artistic_license.htm or
# the license that comes with your perl distribution.
#
# For comments, questions, bugs or general interest, feel free to
# contact Toby Everett at teverett@alascom.att.com
##########################################################################
use Win32::CtrlGUI;
use Win32::CtrlGUI::Criteria;
use Win32::CtrlGUI::Criteria::multi;

use strict;

package Win32::CtrlGUI::Criteria::xor;
use vars qw($VERSION @ISA);

@ISA = ('Win32::CtrlGUI::Criteria::multi');

$VERSION='0.30';

sub _is_recognized {
  my $self = shift;

  my $retval;
  my $state;
  foreach my $status (@{$self->{criteria_status}}) {
    $status and $state = !$state;
    defined $retval or $retval = $status;
  }
  $state and return $retval;
  return 0;
}

1;