package Tk::Checkbutton;
# Conversion from Tk4.0 button.tcl competed.
# Copyright (c) 1992-1994 The Regents of the University of California.
# Copyright (c) 1994 Sun Microsystems, Inc.
# Copyright (c) 1995-2003 Nick Ing-Simmons. All rights reserved.
# This program is free software; you can redistribute it and/or

use vars qw($VERSION);
$VERSION = '4.006'; # $Id: //depot/Tkutf8/Tk/ $

# modify it under the same terms as Perl itself, subject
# to additional disclaimer in license.terms due to partial
# derivation from Tk4.0 sources.

require Tk::Widget;
require Tk::Button;

use base  qw(Tk::Button);

Construct Tk::Widget 'Checkbutton';

sub Tk_cmd { \&Tk::checkbutton }

sub ClassInit
 my ($class,$mw) = @_;
 $mw->bind($class,'<Enter>', 'Enter');
 $mw->bind($class,'<Leave>', 'Leave');
 $mw->bind($class,'<1>', 'Invoke');
 $mw->bind($class,'<space>', 'Invoke');
 return $class;

sub Invoke
 my $w = shift;
 $w->invoke() unless($w->cget('-state') eq 'disabled');