[Oberon] ETHO Display structure.
joerg.straube at iaeth.ch
Mon Mar 11 13:34:17 CET 2013
> I've got some NEW confused ideas on this matter, but I'm going
> to post my previous work, in order to clear my gmail for other needs:-
> IMO the Pet* author wrongly names the 'caret' the cursor.
> But I've notice mention of the "pointer" and the "marker".
> For THIS PROJECT, I've considered the <pointer which moves with the mouse>
> as the cursor. What is the "pointer"?
I may repeat myself, but please study the book "The Oberon System" by Martin
You will learn what the difference between "caret" and "cursor" is. What a
"marker" is used for.
How to process pressed keys. A lot of interesting stuff how the Oberon
What conventions you HAVE TO FOLLOW, so you can successfully implement your
ideas - most probably by writing an own "handler" (the book also explains
how this is done) - and eventually adopt the underlying Oberon system to
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