From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Drew Adams <drew.adams@oracle.com>
Cc: "47150@debbugs.gnu.org" <47150@debbugs.gnu.org>,
Alan Mackenzie <acm@muc.de>, Sheng Yang <styang@fastmail.com>
Subject: bug#47150: [External] : bug#47150: 28.0.50; Incorrect major-mode in minibuffer
Date: Mon, 22 Mar 2021 15:30:47 -0400 [thread overview]
Message-ID: <jwveeg7q9np.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <SA2PR10MB447460CF4CFB66E32BAC2C33F3659@SA2PR10MB4474.namprd10.prod.outlook.com> (Drew Adams's message of "Mon, 22 Mar 2021 18:40:05 +0000")
>> I'm in favor of introducing a `minibuffer-mode`.
> Why?
Because that's already what "fundamental-mode + minibuffer-local-map"
is, tho without the benefit of all the associated conventions of a major
mode (e.g. C-h m to name just one).
>> Part of the question is also when and how that mode is activated (since
>> activating such a mode has the effect of deleting the local variables).
>> I think we should call `minibuffer-mode` every time we (re)activate
>> a minibuffer.
> Why?
So a minibuffer isn't affected by what happened in its previous invocation.
>> The way I see it, `eval-expression` would want to use a new major mode
>> that derives from `minibuffer-mode`.
> Why change the major mode?
Why not. That's already what `eval-expression` does, except it does it
piecemeal instead of via the well known major-mode concept.
> What's involved, besides keymaps?
In the case of `eval-expression, potentially anything that applies to
a normal buffer seems to be applicable, e.g. indentation,
show-paren-mode, eldoc, font-lock, flymake, company-mode, you name it...
>> It would also provide a cleaner way to do what we currently do via the
>> `minibuffer-with-setup-hook` hack.
> Really? Everything that someone might do on that
> hook you would have passed as a function arg?
I don't think we could replace all uses of `minibuffer-with-setup-hook`
with that, no, at least not without additional changes (since my
suggestion only covers code which currently directly uses
`read-from-minibuffer`, so we'd at least have to change
`completing-read` so it too can take a major-mode as argument).
> Why would you find that cleaner?
If you don't know, it's because you haven't looked at the implementation
of `minibuffer-with-setup-hook`, which is fundamentally inherently
brittle (tho it's sufficiently tuned that it's normally never a problem
in practice, of course).
> Right. There was nothing missing before `minibuffer-inactive-mode'
> was added, except possibly the corner case you mentioned for
> a standalone minibuffer frame. (And I use such a frame, and I've
> never felt the need to use it in an "inactive" active way.)
Nobody forces you to use it. It should be harmless.
Have you suffered from the addition of `minibuffer-inactive-mode`?
I can't remember seeing many bug reports about it (although I was
worried when I added it).
Stefan
next prev parent reply other threads:[~2021-03-22 19:30 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-15 0:57 bug#47150: 28.0.50; Incorrect major-mode in minibuffer styang
2021-03-15 1:02 ` bug#47150: Emacs bug#47150 " Sheng Yang
2021-03-15 7:59 ` bug#47150: " Alan Mackenzie
2021-03-15 18:15 ` Sheng Yang
2021-03-15 21:30 ` Alan Mackenzie
2021-03-15 21:58 ` Sheng Yang
2021-03-22 15:12 ` Alan Mackenzie
2021-03-22 15:52 ` bug#47150: [External] : " Drew Adams
2021-03-22 16:27 ` Alan Mackenzie
2021-03-22 17:09 ` Drew Adams
[not found] ` <878s6ft5ze.fsf_-_@miha-pc>
2021-03-22 18:38 ` bug#47150: [External] : " Drew Adams
2021-03-22 21:57 ` bug#47150: [External] : " Alan Mackenzie
2021-03-22 23:06 ` Drew Adams
2021-03-23 13:05 ` Alan Mackenzie
2021-03-23 15:44 ` Drew Adams
2021-03-22 18:12 ` Stefan Monnier
2021-03-22 18:08 ` Stefan Monnier
2021-03-22 18:40 ` bug#47150: [External] : " Drew Adams
2021-03-22 19:30 ` Stefan Monnier [this message]
2021-03-22 19:42 ` Drew Adams
2021-03-22 20:11 ` Stefan Monnier
2021-03-22 21:36 ` Drew Adams
2021-04-09 8:57 ` Sheng Yang
2021-04-12 10:18 ` Alan Mackenzie
2021-04-12 12:02 ` Sheng Yang
2021-04-12 14:01 ` Stefan Monnier
2021-04-12 16:15 ` Alan Mackenzie
2021-04-12 17:10 ` Stefan Monnier
2021-04-12 18:34 ` Alan Mackenzie
2021-04-12 20:46 ` Stefan Monnier
2021-04-18 11:14 ` Alan Mackenzie
2021-04-18 15:22 ` Stefan Monnier
2021-04-19 9:33 ` Alan Mackenzie
2021-04-19 17:30 ` Alan Mackenzie
2021-04-19 18:22 ` Stefan Monnier
2021-04-19 19:18 ` Sheng Yang
2021-04-19 19:35 ` Stefan Monnier
2021-04-19 19:47 ` Sheng Yang
2021-04-19 20:36 ` Stefan Monnier
2021-04-19 20:42 ` Sheng Yang
2021-04-20 10:25 ` Alan Mackenzie
2021-03-22 19:42 ` Alan Mackenzie
2021-03-22 20:03 ` Stefan Monnier
2021-03-22 18:24 ` bug#47150: [External] : " jakanakaevangeli
2021-03-23 7:18 ` bug#47150: [External] : " jakanakaevangeli
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