The problem appears to be that you're holding up the GUI thread. You need to return ASAP from your event routines. If you have anything that takes a significant amount of time, run it in a different thread. It's a frequently-encountered issue, so google and/or super search will help you find some specific examples.
...roboticus
In reply to Re: perl/Tk: How to "release" a button immediately after it's pushed?
by roboticus
in thread perl/Tk: How to "release" a button immediately after it's pushed?
by unknown-monk
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