I think you want the cursor to stay visible even when the user enters enough
text to go right off the end of the field. In other words, you want the
field to scroll horizontally in order to keep the insertion point visible.
That'd be very nice, but it just isn't supported.
Of course, letting the cursor just walk off the right edge of the field and
disappear isn't exactly nice to the user, so the normal thing to do is to
limit the number of characters allowed in the field such that no matter what
you enter (short of pathological examples of all capital W's), there is no
way to enter more text than fits in the space available.
I consider this a flaw in our field implementation.
In some cases, you can use a table to allow a single line field to grow into
multiple lines if necessary, without wasting screen space when the text fits
on one line. You've probably also noticed how rarely single line text fields
are used.
--
Peter Epstein
Palm, Inc. app developer
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