Re: Is there a way to display line numbers and relative line numbers as with two rulers?

On Friday, December 18, 2015 at 12:49:12 AM UTC-6, Igor Forca wrote:
>
>
> If I don't figure out any better idea, then I would probably use idea from some other post to map key to switch between relative to absolute numbering like:
> :nnoremap <leader>n :set relativenumber!<CR>

That won't switch all the way, because you can actually have both relativenumber and number set at the same time, showing the current (absolute) line number for the cursor line and relative numbers for every other line. But maybe that's good enough for your uses. I have a mapping to cycle through all 4 combinations, personally, and it also works in operator-pending mode:

if exists('+relativenumber')
nnoremap <silent> <expr> <C-Space> CycleLNum()
xnoremap <silent> <expr> <C-Space> CycleLNum()
onoremap <silent> <expr> <C-Space> CycleLNum()

" function to cycle between normal, relative, and no line numbering
func! CycleLNum()
if &l:rnu && !&l:nu
setlocal nu
elseif &l:rnu && &l:nu
setlocal nornu
elseif &l:nu && !&l:rnu
setlocal nonu
else
setlocal rnu
endif
" do nothing, even in op-pending mode
return ""
endfunc
endif

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