I've recently been (mentally) exploring some potential user interfaces, and
thought up one that I'd like to implement if it is possible. The problem is
that I don't know much about OpenGL, or NSTextView/NSTextContainer, so I need
to bounce my questions off of people with knowledge/experience.
For the first thing I want to do, I want to be able to float lines/arrows
'above' the text in a text view. The idea is that I can have related items all
be linked together by a floating starfish-like set of arrows. The reason for
the levels is that more local things can be at a lower level, and more global
things at a higher level. A concrete use of this would be for something like
use-def chains in a program; the more local the use-defs are, the lower level
the arrows are. As you scroll the text, you get an immediate feel for how
wide-ranging variables are from how high above the text they float.
For the next thing, I want to be able to deform the text view in the z
dimension. Basically, I want to be looking 'down' onto stairsteps of text. A
concrete use of this would be to show the depth of the statements in various
blocks, like the following:
int main (void) // At highest level
{
if (foo) // One level lower
printf("foo"); // One level lower
} // At highest level
Now, before everyone gives me alternatives that are doable within what
NSTextView does right now, please understand that the above are examples ONLY;
there are other possible uses of this kind of technique, and I'd like a chance
to explore them, not find alternatives that also work. I really want to know
if I can do exactly what I've described above.
So, can I do it, or is it impossible?
Thanks,
Cem Karan
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