tkinter credit card scan

Discussion in 'Python' started by phil, Mar 4, 2005.

  1. phil

    phil Guest

    Problem, the focus is on a field which has contents
    and I scan the credit card card, which is keyboard input.
    The field is altered and a bunch of chars fly acroos the
    field. messy.

    Ok, I can solve this in a very clumsy manner.
    1. I see the first character of the scan, '%',
    configure the field to show ' ' temporarily,
    do a get() and after the scan is thru, restore
    the contents. clumsy and messy, but ok.

    The WORST PROBLEM, is if the previous contents
    of the field had been selected, which it would be
    if it is the first field in the payment window or
    they had tabbed to the field. The the ist char
    of the scan, the '%' replaces the contents before I
    can do a get().

    Suggestions?
    phil, Mar 4, 2005
    #1
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