On Thu, Nov 6, 2014 at 5:02 PM, Ben Fritz <[email protected]> wrote:
> On Thursday, November 6, 2014 2:53:02 PM UTC-6, Salman Halim wrote:
> > Hi,
> >
> > I was wondering if it was possible to switch to relative line numbers
> once I'm in operator-pending mode and then switch back when done. For
> example, say I have regular line numbers turned on and I hit 'c' in normal
> mode on line 24. The numbering changes to relative and goes back to regular
> numbers after the rest of the command is executed.
> >
> > I couldn't find an autocommand, but was hoping someone else had already
> come up with an ingenious way to address this.
> >
>
> I did not find any autocmd for it, but I use an expression mapping
> returning an empty string in normal, visual, and operator-pending modes to
> accomplish the task:
>
> if exists('+relativenumber')
> nnoremap <expr> <C-Space> CycleLNum()
> xnoremap <expr> <C-Space> CycleLNum()
> onoremap <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
> " sometimes (like in op-pending mode) the redraw doesn't happen
> " automatically
> redraw
> " do nothing, even in op-pending mode
> return ""
> endfunc
> endif
>
> Thus when I hit <C-Space> in any of these modes, nothing happens, which
> allows me to continue with my operation, but the line numbering changes as
> a side effect.
>
>
Ben, thank you very much for this; in the absence of an autocommand, this
the perfect alternative.
Much appreciated!
Salman
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