Re: Inserted text missing from blank lines after ctrl-V, vertical highlight, ctrl-I

On May 22, 12:43 pm, Andy Wokula <anw...@yahoo.de> wrote:
> Am 22.05.2012 18:03, schrieb AndyHancock:
>
> > I am working on a source code file with many blank lines (lines
> > containing zero characters, not even white space).  The cursor is on
> > (say) column 5 and I press ctrl-V before highlighting a column of
> > text.  I then press ctrl-I to insert a comment character in the
> > highlighted text column.  The comment character does *not* appear at
> > all in the lines that are blank.
>
> > I could be mis-remembering, but I don't seem to recall this behaviour
> > in the past.  I thought I had vim in a mode where ctrl-V would put in
> > the required white space to achieve the visual effect, regardless of
> > whether or not the whitespace was there before.  Is this a recent
> > change in the behaviour of vim, or is there a specific setting which I
> > might have muddled up in my romps through vimrc?
>
> I checked with gVim 6.4: <C-V>I  behaves in same fahsion.
> But you can do  r{char}  with  virtualedit=all  to fill in whitespace.
>
> Here is a mapping that does this for the `I' command:
>
> xno <script><expr> I mode()=="<C-V>" ? 'Ix<Esc><SID>(sve)gvrxgv"_x<SID>(rve)gvI' : "I"
>
> " set/restore 'virtualedit'
> nn <SID>(sve) :<C-U>call <sid>sr_ve(1)<CR>
> nn <SID>(rve) :<C-U>call <sid>sr_ve(0)<CR>
>
> func! <sid>sr_ve(save)
>      if a:save
>          if &ve != 'all'
>              let s:save_ve = &ve
>              set virtualedit=all
>          endif
>      elseif exists("s:save_ve")
>          let &ve = s:save_ve
>          unlet s:save_ve
>      endif
> endfunc
>
> You may set 'lazyredraw' to reduce visual glitches.
> Offhand I don't remember an option to control this, I may be wrong ...
> It's just a workaround.

OK, thanks Andy.

Awesome first name, by the way.

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