Ludo Brands wrote:
Very much like a mechanical typewriter, since that was how
terminals of
that vintage behaved. There's example output at
http://wotho.ethz.ch/APL-1130/2741_APL_Demo.png (it's ETH,
but I don't
think there's a Pascal connection), I've got most of a standalone
terminal emulator that behaves in the same way but haven't got the
colour aspect working due to lack of a suitable component
(and lack os
sufficient skill/experience to write my own).
When you got already that far with Tmemo, try the TRichMemo which is a
TCustomMemo descendant which allows changing font attributes in the text. It
has also a LoadRichText and SaveRichText so that you can save the colored
text to file.
The good news is that TRichMemo is a painless replacement for TMemo,
despite my various hacks and admitted inexperience. However, when I'm
using SetTextAttributes() or SetRangeColor(), should the position
parameter be based on the number of bytes or the number of characters of
existing text? I'm having problems getting this right, which I suspect
are due to the high proportion of non-ASCII characters.
Or put another way, in the simplest case where I want to change the
colour of the most-recently-added character, what parameters should I be
using?
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
--
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