What you are trying to do is similar in principle to variable variables, though not nearly as insecure. Still, who knows what badness may result from instantiating an object into a subclass that you're not expecting. For that reason, you may want to create a hash of accepted widget subclasses, and modify your instantiation like so:

  my $widget = $fullClass->new($widgetID) if exists $OK_CLASSES{$fullC
+lass};
[download]

   MeowChow                                   
               s aamecha.s a..a\u$&owag.print

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