Mega Code Archive
Using One Scrollbar to control the scroll of Three Listboxes
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#!/usr/local/bin/perl -w
use Tk;
use strict;
my $mw = MainWindow->new();
$mw->title("This is the title");
$mw->Button(-text => "Exit",
-command => sub { exit })->pack(-side => 'bottom');
my $scroll = $mw->Scrollbar();
my $listboxes = [ $mw->Listbox(), $mw->Listbox(), $mw->Listbox() ];
sub scroll_listboxes {
my ($sb, $scrolled, $lbs, @args) = @_;
$sb->set(@args); # tell the Scrollbar what to display
my ($top, $bottom) = $scrolled->yview();
foreach my $list (@$lbs) {
$list->yviewMoveto($top); # adjust each lb
}
}
foreach my $list (@$listboxes) {
$list->configure(-yscrollcommand => [ \&scroll_listboxes, $scroll,
$list, $listboxes ]);
}
$scroll->configure(-command => sub {
foreach my $list (@$listboxes) {
$list->yview(@_);
}});
$scroll->pack(-side => 'left', -fill => 'y');
foreach my $list (@$listboxes) {
$list->pack(-side => 'left');
$list->insert('end', qw/one two three four five six seven eight nine ten eleven twelve thirteen/);
}
MainLoop;
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