On Mon, Mar 14, 2022, 14:10 Lifepillar <lifepil...@lifepillar.me> wrote:

> I have defined this function:
>
> fun! Lint()
>   let l:view = winsaveview()
>   keepjumps normal gggqG
>   call winrestview(l:view)
> endf
>
> When the function is executed, the cursor does not move, as expected.
> Unfortunately, pressing u after that makes the cursor jump to the top of
> the buffer. I had hoped that keepjumps would prevent that, but that does
> not seem the case. How can I avoid moving the cursor upon undoing
> (without touching registers)?
>
> Thanks,
> Life.
>

I don't know of a built-in way, but maybe you could write a function as
above that saves and restores the view, though it would be tricky if the
undo adds or removes lines above the cursor location. Then, map u to it.

It's easy to figure out whether the undo added or removed lines (and how
many). Then, you could look at where the cursor has ended up. If it's
before your original location, then you need to adjust the values you pass
to winrestview to move the return location up or down by the number of rows
added.

It'll probably still be less than perfect if the change is right around the
cursor location, but those don't move the cursor much.

Salman

>

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