Nikolay Pavlov wrote:
> On Aug 22, 2013 8:05 PM, "Christian Brabandt" <cbli...@256bit.org> wrote:
> >
> > On Thu, August 22, 2013 17:23, Bram Moolenaar wrote:
> > > Christian Brabandt wrote:
> > >> On Mo, 19 Aug 2013, Christian Brabandt wrote:
> > >>
> > >> > May be another optional parameter to the setpos() function, that
> > >> > if given specifies the desired cursor position?
> > >>
> > >> Like the attached patch does.
> > >
> > > Hmm, I wonder if the extra list elements are going to cause a problem in
> > > some existing script.
> >
> > I don't think, it will make a difference for the optional list-argument
> > of the setpos() call. It might only make a difference for the list
> > returned by the getpos() call now having 5 elements. If you're worried
> > about that, simply let getpos('.') always return 4 elements (though
> > this makes it harder to determine the prefered column).
>
> I bet there is a bunch of scripts using 4-variable lets. Simple grep over
> the mess in $HOME/.vam (I hold all but my plugins there) found at least
> LaTeX_box plugin (ftplugin/latex-box/common.vim) and python-mode-klen
> (autoload/pymode/lint.vim, though it should have used line() and not
> getpos()). I do not know how many plugins do
> let pos=getpos('.')
> ...
> let [a,b,c,d]=pos
> , use negative indices or something else. Why not use optional argumet to
> getpos() then? Note: optional argument should make it return a dictionary.
> 5 indistinguishable numbers are way too much.
>
> Also check out winsaveview(), particularly .curswant key. Maybe there is no
> need to modify getpos().
Yes, in complicated cases winsaveview() can be used.
I think that in most cases the original problem applies: setpos() does
not set the curswant position. I think the best way to fix this is by
adding a separate set_curswant() function. Without argument it uses the
current cursor position, and otherwise it sets the position to a column
number.
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