Re: up-line and down-line without history

[Guido van Steen <gvsteen@xxxxxxxxx>]

Bernard, Thanks a lot! I will try this one as well! 

Guido 

--- On Wed, 1/6/11, Bernhard Tittelbach <xro@xxxxxxxxxxx> wrote:

> From: Bernhard Tittelbach <xro@xxxxxxxxxxx>
> Subject: Re: up-line and down-line without history
> To: zsh-users@xxxxxxx
> Date: Wednesday, 1 June, 2011, 10:01 PM
> On 2011-06-01 16:32, Bernhard
> Tittelbach wrote:
> > On 2011-06-01 09:45, Guido van Steen wrote:
> >> Dear List,
> >>
> >> I have been trying to find out how to "just"
> navigate through a multiline buffer.
> >>
> >> I know the "up-line-or-history" and
> "down-line-or-history" widgets. It seems
> >> to me that the "up-line" and "down-line" parts of
> these widgets do exactly
> >> what I want. So the problem is that I would like
> to avoid the "or-history" part.
> >>
> >> Are there a similar widgets that exclusively
> control the navigation of
> >> multiline buffers, i.e. without the side-effect of
> potentially navigating the
> >> history file?
> >>
> >> Or could/should I create my own widgets based on
> "up-line-or-history" and
> >> "down-line-or-history", in which I just override
> the "or-history" part?
> >
> 
> as for writing it yourself, maybe, off the top of my head,
> something like this ??
> 
> function up-line
> {
>   local buflines chars_above chars_left
>   buflines=(${(f)LBUFFER})
>   chars_above="${#buflines[$#buflines-1]}"
>   chars_left="${#buflines[$#buflines]}"
>   [[ $chars_left -gt $chars_above ]] &&
> chars_above=$chars_left
>   CURSOR=$((CURSOR-chars_above-1))
> }
> zle -N up-line && bindkey "^[[A" up-line
> 
> > regards,
> > Bernhard
> >
> 
>