XbaeMatrix is a free Motif® table widget (also compatible with the free LessTif) which presents an editable array of string data to the user in a scrollable table similar to a spreadsheet. The rows and columns of the Matrix may optionally be labelled. A number of "fixed" and "trailing fixed" rows or columns may be specified.
While XbaeMatrix looks and acts like a grid of XmTextField widgets,
it actually contains only one XmTextField.
This means that XbaeMatrix widgets
with hundreds or thousands of rows have much less overhead than they would
if they used an XmTextField for each cell.
XbaeMatrix has callbacks for doing
field validation and customi