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#!/usr/local/bin/perl -w
use strict;
use Tk;
use Tk::widgets qw(Tree Menubar);
my $mw = MainWindow->new;
my $mb = $mw->Menubar;
$mb->Menubutton(-text => '~File', -menuitems => [
[Button => 'E~xit', -command => ['destroy' => $mw]],
]);
my $cl = $mw->Scrolled('Tree', -width => 60, -height => 40, -separator => '.',-itemtype => 'text');
# do "t/Require.t";
enter_classes($cl,'Tk::','open');
Tk::grid($cl,-sticky => 'nsew');
$mw->gridRowconfigure(0, -weight => 1);
$mw->gridColumnconfigure(0, -weight => 1);
MainLoop;
sub enter_classes
{
my ($cl,$name,$mode) = @_;
no strict 'refs';
if (defined(%{$name}) && $name =~ /^(.*)::$/)
{
my $path = $1;
$path =~ s/::/./g;
my ($leaf) = $path =~ /(?:^|\.)([^\.]+)$/;
# print join(' ',$name,$path,$leaf),"\n";
$cl->add($path,-text => $leaf);
foreach my $child (sort keys %$name)
{
enter_classes($cl,$name.$child,'close') if $child =~ /::$/;
}
foreach my $child (sort keys %$name)
{
if ($child !~ /::$/ && defined &{$name.$child})
{
my $cp = $path.'.'.$child;
$cl->add($cp,-text => $child) unless $cl->infoExists($cp);
}
}
$cl->Activate($path,$mode);
}
}
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