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Re: get the number of active jobs to show in the prompt?
- X-seq: zsh-users 4320
- From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
- To: Vincent Lefevre <vincent@xxxxxxxxxx>, zsh-users@xxxxxxxxxx
- Subject: Re: get the number of active jobs to show in the prompt?
- Date: Wed, 3 Oct 2001 05:43:50 +0000
- In-reply-to: <4ac3633923vincent@xxxxxxxxxx>
- Mailing-list: contact zsh-users-help@xxxxxxxxxx; run by ezmlm
- References: <20011002181324.A29201@xxxxxxxxxxxxxx> <200110022325.JAA07306@xxxxxxxxxxxxxxxxxxxxxxxx> <4ac3633923vincent@xxxxxxxxxx>
On Oct 3, 2:06am, Vincent Lefevre wrote:
}
} The current command should be saved in a safe place. Then, the necessary
} functions (e.g., precmd()) should be called. Finally, the current command
} should be restored and displayed with the new prompt(s).
This is the sort of thing that sounds good in theory, but will drive you
insane in practice. For some sort of inkling of how it would feel, try
using this:
function push-line-at-random {
local nested=${(%):-%_}
zle self-insert
print '\n[0] + done pretend a job finished'
bindkey $KEYS self-insert
bindkey -M $KEYMAP \\$(([##8](RANDOM % 26 + ##a))) push-line-at-random
if [[ -n $nested ]]
then
zle push-line-or-edit
zle beep
else
zle push-input
zle send-break
fi
}
zle -N push-line-at-random
bindkey \\$(([##8](RANDOM % 26 + ##a))) push-line-at-random
Aside from the stuff that Deborah mentioned, most of which is correct,
there's the question of what to do when you're at the "bck-i-search:"
prompt (or other "minibuffer" prompts), or when you're in menu-select,
or when you're in the middle of some long-running user-defined widget
such as incremental-complete-word.
While someone (not me, this time) is deciding whether they want to
attempt to come up with a clean way to deal with all of this, you might
look at what you can do with "zle -I" and "zle -M". For example:
TRAPCLD() { zle -I && zle -M "jobs: $#jobstates running" }
It's too bad that this does two redraws (one for the notify output and
again because of `zle -I') but at least it shows the info you want.
--
Bart Schaefer Brass Lantern Enterprises
http://www.well.com/user/barts http://www.brasslantern.com
Zsh: http://www.zsh.org | PHPerl Project: http://phperl.sourceforge.net
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