I realized that I wasn't updating the row and col of $buttons$selectedButton in slideButton(). I added 
$buttons[$selectedButton]{'row'} = $mRow;
$buttons[$selectedButton]{'col'} = $mCol;

[download]

to slideButton() subroutine and now the blinking/left over widgets are gone...

In reply to Re^4: How to make a Tk::Button move/slide within a Tk::Table by bcarroll
in thread How to make a Tk::Button move/slide within a Tk::Table by bcarroll

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