Re: PATCH: Add $ZLE_STATE in zle widgets

[Peter Stephenson <Peter.Stephenson@csr.com>]

On Wed, 11 Aug 2010 14:54:42 +0200
Frank Terbeck <ft@bewatermyfriend.org> wrote:
> Peter Stephenson wrote:
> > Peter Stephenson <Peter.Stephenson@csr.com> wrote:
> >> > I'm pretty happy with my current setup anyway. It would be cool
> >> > to have a way to add a "V" mode to my prompt when `vared' is
> >> > active. That could probably be done with {pre,post}-vared hook
> >> > widgets. I didn't look into that yet, though.  (Actually, since
> >> > I wrote this mail while being on a train, I did look at this by
> >> > now. This is not as trivial as I had hoped, since zle cannot be
> >> > run recursively. Oh well, I'm rarely using `vared' anyway.)
> >> 
> >> Should be trivial to add this to ZLE_STATE internally.
> >
> > Turns out you can already test [[ $CONTEXT = vared ]].
> 
> Yes. But for my problem (signal that a vared is running in the shells
> *main* prompt) that doesn't help, because there's no widget called
> at the right time.

The following seemed to work, am I missing what you're doing?

setopt promptsubst
PS1='$MYCONTEXT %# '
zle-line-init() {
  typeset -g MYCONTEXT=$CONTEXT
  zle reset-prompt
}
zle -N zle-line-init

Now "vared -p $PS1" shows up "vared", otherwise I get "start" (or, in
principle, "cont").

-- 
Peter Stephenson <pws@csr.com>            Software Engineer
Tel: +44 (0)1223 692070                   Cambridge Silicon Radio Limited
Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, UK


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