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Date: Thu, 29 Mar 2012 14:33:43 +0800
Message-ID: <CACLLAdmro6Jx_8iy9KYFNTDnkafpVqseVRQcewQM4jK9PeyLqw@mail.gmail.com>
Subject: Re: are there some ways to get things like isearch-{start,end}-position?
From: Madsen Zhang <md11235@gmail.com>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: zsh-users@zsh.org
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Good, it works gracefully. your definition of ISEARCHDIR is the same with
what I desired.

Bart, thank you very much :)!

On Tue, Mar 27, 2012 at 9:59 PM, Bart Schaefer <schaefer@brasslantern.com>wrote:

> On Mar 27,  2:58pm, Madsen Zhang wrote:
> >
> > if the last isearch direction is available, the following script, based
> on
> > the one from Bart Schaefer, should work in both forward and backward
> > isearch:
> >
> > zle-isearch-exit() {
> >     if [[ $ISEARCHDIR -eq 1 ]]; then
> >         local match mbegin mend
> >         setopt extendedglob
> >         [[ -n $LASTSEARCH ]] || return 0
> >         : ${LBUFFER%(#b)(*)$LASTSEARCH}
> >         CURSOR=$mend[1]
> >     fi
> >
> >     return 0
> > }
> > zle -N zle-isearch-exit
>
> You can set ISEARCHDIR for yourself by putting a little wrapper function
> around history-incremental-search-*.
>
> hist-inc-search-save-direction() {
>    if [[ $WIDGET = *-forward ]]; then
>        typeset -g ISEARCHDIR=1
>        zle .history-incremental-search-forward "$@"
>    else
>        typeset -g ISEARCHDIR=-1
>        zle .history-incremental-search-backward "$@"
>    fi
> }
> zle -N history-incremental-search-forward hist-inc-search-save-direction
> zle -N history-incremental-search-backward hist-inc-search-save-direction
>
> I'm not sure I got the semantics of ISEARCHDIR the way you wanted them,
> but you get the idea.
>

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