Re: [rudalics@gmx.at: Re: jit lock sit-for provokes redisplay provokes imenu]

[storm@cua.dk (Kim F. Storm)]

martin rudalics <rudalics@gmx.at> writes:

> The buffer changes during scrolling and window resizing, however, are
> considerably more serious since they affect responsiveness of Emacs.  My
> Emacs considerably lags behind other applications during scrolling and
> flickers noticeably whenever I drag a modeline.  Now consider that for
> every _single_ line dragged or scrolled I call `imenu-update-menubar'.
> The only buffer "change" here is the fontification of one single line.
> That doesn't make any sense.  And it makes the speed of scrolling depend
> (1) on the size of the buffer and (2) the quality of a thing like
> `imenu-create-index-function'.  Wouldn't it make more sense to spend
> that time to filter out, for example, all those definitions Imenu finds
> in C comments or strings?

And you changes (at the C level + imenu) fixes all these problems, right?

If, so I think we are wasting our time discussing sub-optimal ways to
fix a specific problem where we already have a generic solution.

Can't we just install Martin's patch and get closer to the pretest??

-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk