From: Pascal Wittmann <PascalWittmann@gmx.net>
To: zsh-users@zsh.org
Subject: Re: Magic-Backspace
Date: Tue, 11 Sep 2012 17:21:04 +0200 [thread overview]
Message-ID: <504F56E0.90809@gmx.net> (raw)
In-Reply-To: <120911080919.ZM19507@torch.brasslantern.com>
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On 09/11/2012 05:09 PM, Bart Schaefer wrote:
> On Sep 11, 9:51am, Pascal Wittmann wrote:
> }
> } I thought of implementing some magic-backspace that removes characters
> } until the 'current' completion is ambiguous (i.e. some extended version
> } of undo).
> }
> } The problem I'm facing is that I can not find out if the current
> } completion is ambiguous. Is this possible at all?
>
> This is a rather tricky thing to attempt because the completion system
> is a bit more than just a ZLE widget. Completion wants to have control
> of the editing process, i.e., you get *either* direct manipulation of
> the editor buffer with BUFFER, LBUFFER, RBUFFER, etc., *or* you get the
> completion system mucking about in the buffer as it deems necessary,
> but not both at once.
>
[snip]
>
> Obviously there's a whole lot of stuff I've glossed over here. What
> should your widget do if invoked in the middle of a word instead of
> at the end? What state do you need to clear before, or set after,
> calling the completion widget to avoid entering menu completion or
> displaying a listing? And so on.
>
> Have fun!
>
Thanks for all these pointers! Now I've a starting point.
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next prev parent reply other threads:[~2012-09-11 15:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-11 7:51 Magic-Backspace Pascal Wittmann
2012-09-11 15:09 ` Magic-Backspace Bart Schaefer
2012-09-11 15:21 ` Pascal Wittmann [this message]
2012-09-15 18:57 ` Magic-Backspace Oliver Kiddle
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