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Date: Wed, 01 Jun 2011 17:01:56 +0200
From: Bernhard Tittelbach <xro@realraum.at>
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To: zsh-users@zsh.org
Subject: Re: up-line and down-line without history
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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
>