line numbering and nstextview subclassing (newbie)
line numbering and nstextview subclassing (newbie)
- Subject: line numbering and nstextview subclassing (newbie)
- From: Afonso Salcedo <email@hidden>
- Date: Thu, 4 Jul 2002 19:19:05 +0000
hi all,
i was wondering if anyone could give me some hints on how to implement a
column for line numbering on the left side of a TextView... something
that would work in the same manner as BBEdit's line numbering...
what I have now is a NSTableView on the left side and a subclass of a
NSTextView on the right... I subclassed NSTextView as it was the only
way I could think of, to listen to a "return" keyboard event, so that
when the user types a return, a new line appears on the NSTableView....
Even so, it still doesn't work very well... I am having trouble to
update the table using reloadData: from inside the NSTextView subclass,
and I'm also having trouble typing text inside the NSTextView...
apparently, when I subclassed this view, it lost the scrolling ability,
and how to react to certain characters like "backspace", "delete" or the
"arrow keys"...
I am sure this is not the correct way to do this, but it's late and I
can't think straight anymore :) If anyone could give me some hints on
how to proceed I will greatly appreciate it...
Thank you!
Afonso
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