> On Nov 18, 2021, at 16:06, Tony Mechelynck <antoine.mechely...@gmail.com>
> wrote:
>
> On Wednesday, November 17, 2021 at 4:01:00 PM UTC+1 fel...@felipegasper.com
> wrote:
> Hello,
>
> When I set `cols=80` and enable line numbering (`number`), I lose the last
> few columns for code because MacVim uses them for the line numbers.
>
> Is it possible to make the `cols` setting account for line numbering, so that
> I get 80 columns for editing code, regardless of whether line numbering is on
> (and how many columns the line numbers themselves need)?
>
> Thank you!
>
> Cheers,
> -Felipe Gasper
>
> Vim's 'columns' setting includes the line number (if any), whose width varies
> according to how many lines are in the file and on the 'numberwidth' setting.
> No matter which options you set, if you are running Vim in an 80-column-wide
> terminal, you won't be able to get 80 columns for the text plus some
> additional columns for the line number. Otherwise, if your screen is wide
> enough, and your Vim is compiled with +float, you can get the width of the
> linenumber as (untested)
> &l:nu?(max([&l:numberwidth,floor(log10(line('$')))+2])):0
> floor(log10(n)) should be one less than the number of decimal digits needed
> to write the number n, and +2 because we add back not only that "one less"
> but also the single empty column between the line number and the text.
>
> Add the value of the above expression to the desired textwidth (here 80), set
> 'columns' to the sum of both, then check if you got what you wanted (because
> setting 'columns' is limited by the actual available width: if I try to set
> it to 999 it will actually be set to only the number of characters that can
> be displayed onscreen).
Ah, cool!
Is there a vim event I could hook into for “when a line is added or removed”?
Thank you!
-FG
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