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Subject: |
M-r in comint mode should use isearch |
Date: |
Fri, 3 Jul 2009 06:26:41 -0700 (PDT) |
When using the minibuffer for example doing:
M-x
then
C-r
will use isearch to search the history. This is nice because it shows
the items that are matched.
M-r should to the same thing when used in comint, right now it's hard to
tell if it matches anything before typing RET
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--- Begin Message ---
Subject: |
Re: bug#3746: M-r in comint mode should use isearch |
Date: |
Mon, 30 Nov 2009 18:12:45 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (x86_64-pc-linux-gnu) |
>> What would be the "UI" (e.g. key-binding) for it?
>> Only the comint-history-isearch defcustom?
>
> One way to use this feature is to configure `comint-history-isearch' to
> a non-nil value. But I think it should be nil by default because after
> trying to use it with non-nil values I found it counterintuitive since
> in comint mode on typing `C-r' I expect it to search in the comint output,
> not in the input history.
>
> There is no such problem in bash where C-r searches in the input history,
> since there is no way to search in the bash output.
>
> So we need another key to search in the history. However, this is
> a controversial issue, so I will defer to others to decide what key
> to use for that. (In the code I sent, there is a command
> `comint-history-isearch-backward' that could be bound to any key.)
To help to select a key binding, below is a table of current key bindings:
* Bash:
M-p non-incremental-reverse-search-history
M-n non-incremental-forward-search-history
M-r revert-line
C-r reverse-search-history
C-s forward-search-history
C-p previous-history
C-n next-history
* Emacs comint mode:
M-p comint-previous-input
M-n comint-next-input
M-r comint-previous-matching-input
M-s comint-next-matching-input
C-r isearch-backward
C-s isearch-forward
C-p previous-line
C-n next-line
So I now agree with the subject of bug#3746 that says
"M-r in comint mode should use isearch"
I marked bug#3746 as closed with M-r bound to the new command that uses
Isearch, added corresponding menu items, removed M-s (that was
symmetrical to M-r) to expose the global key binding M-s for comint
with removing one problem from the list of problems in FOR-RELEASE
that used to say:
3. Shell mode binds `M-s' to `comint-next-matching-input'.
This key binding can be changed later when we will implement
incremental search through the shell history.
--
Juri Linkov
http://www.jurta.org/emacs/
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