Re: master e37eb7f: Add support for pixel wheel deltas on NS

[Eli Zaretskii]

> Date: Fri, 26 Nov 2021 19:39:39 +0000
> From: Alan Third <alan@idiocy.org>
> Cc: Eli Zaretskii <eliz@gnu.org>, rpluim@gmail.com, emacs-devel@gnu.org
> 
> On Fri, Nov 26, 2021 at 08:37:08PM +0800, Po Lu wrote:
> > Eli Zaretskii <eliz@gnu.org> writes:
> > 
> > > It's simple: we could provide a variable to scale the pixels
> > > calculated by the *term code.
> > 
> > Alternatively, how about putting such an option in the code that makes
> > use of such events, something like `pixel-scroll-precision-scale'.
> 
> Why not move the delta to pixel conversion to lisp?

Move it how?  Having each wheel event call into Lisp is not something
I'd like to do.

What kind of conversion do we need that is not a simple multiplication
by a user-customizable fixed value?  If this is all we need, the
conversion could be performed by the calling application.