I've not looked much at your code, but if you need wheel binding, you should

use Tk::DynaMouseWheelBind Tk::DynaMouseWheelBind for all your wheel binding needs ...

its came from an old book, posted at Re: Perl-Tk MouseWheel and Pane, but never on cpan ... weird

In reply to Re: Perl-Tk MouseWheel support for Scale ( Tk::DynaMouseWheelBind ) by Anonymous Monk
in thread Perl-Tk MouseWheel support for Scale by perltux

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