#!/usr/bin/perl --
use strict; use warnings;
use Tk;
use Tk::BrowseEntry;

Main( @ARGV );
exit( 0 );

sub Tk::BrowseEntry::Popdown {
    my ($w) = @_;
    if ( $w->{'_BE_savefocus'} && Tk::Exists( $w->{'_BE_savefocus'} ) ) {
        $w->{'_BE_savefocus'}->focus;
        delete $w->{'_BE_savefocus'};
    }
    if ( $w->{'_BE_popped'} ) {
        my $c = $w->Subwidget('choices');
        $c->withdraw;
        $w->grabRelease;
        if ( ref $w->{'_BE_grabinfo'} eq 'CODE' ) {
            $w->{'_BE_grabinfo'}->();
            delete $w->{'_BE_grabinfo'};
        }
        $w->{'_BE_popped'} = 0;
        $w->Subwidget('entry')->packForget;
    }
}
sub Tk::BrowseEntry::BtnDown {
    my ($w) = @_;
    return if $w->cget( '-state' ) eq 'disabled';

    if ($w->{'_BE_popped'}) {
        $w->Popdown;
        $w->{'_BE_buttonHack'} = 0;
    } else {
        $w->Subwidget('entry')->pack(-side => 'right', -fill => 'x', -expand => 1);
        $w->update;
        $w->PopupChoices;
        $w->{'_BE_buttonHack'} = 1;
    }
}


sub Main {
    my $mw = tkinit();
    my $var = 'lelabel';
    my $b = $mw->BrowseEntry(-label => "Label", -variable => \$var);
    $b->insert("end", "opt1");
    $b->insert("end", "opt2");
    $b->insert("end", "opt3");
    $b->Subwidget('entry')->packForget;
    $b->pack;
    MainLoop;
}