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# Class LabeledRadiobutton
package Tk::LabRadiobutton;
use vars qw($VERSION);
$VERSION = '4.004'; # $Id: //depot/Tkutf8/Tk/LabRadio.pm#4 $
require Tk::Frame;
use base qw(Tk::Frame);
Construct Tk::Widget 'LabRadiobutton';
# Although there is no fundamental reason why -radiobuttons
# should be fixed at create time converting to METHOD form
# is extra work an this can serve as an example of CreateArgs
# checking.
sub CreateArgs
{
my ($package,$parent,$args) = @_;
$parent->BackTrace("Must specify -radiobuttons for $package")
unless (defined $args->{'-radiobuttons'});
return $package->SUPER::CreateArgs($parent,$args);
}
sub Populate
{
require Tk::Radiobutton;
my ($cw,$args) = @_;
$cw->SUPER::Populate($args);
# LabeledRadiobutton(s) constructor.
#
# Advertised subwidgets: the name(s) of your radiobutton(s).
my (@widgets) = ();
my $rl;
foreach $rl (@{$args->{'-radiobuttons'}})
{
my $r = $cw->Component( Radiobutton => $rl,
-text => $rl,
-value => $rl );
$r->pack(-side => 'left', -expand => 1, -fill => 'both');
push(@widgets,$r);
$cw->{Configure}{-value} = $rl;
}
$cw->BackTrace('No buttons') unless (@widgets);
$cw->ConfigSpecs('-variable' => [ \@widgets, undef, undef, \$cw->{Configure}{-value} ],
'-radiobuttons' => [ 'PASSIVE', undef, undef, undef ],
'-value' => [ 'PASSIVE', undef, undef, $cw->{Configure}{-value} ],
'DEFAULT' => [ \@widgets ]
);
}
1;
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