From: Daniel Colascione <dancol@dancol.org>
To: Eli Zaretskii <eliz@gnu.org>, Alan Mackenzie <acm@muc.de>
Cc: emacs-devel@gnu.org
Subject: Re: [PATCH] Re: cc-mode fontification feels random
Date: Mon, 30 Aug 2021 12:28:01 -0700 [thread overview]
Message-ID: <9377d9ec-a3e5-ceea-8a9a-523a420f13f7@dancol.org> (raw)
In-Reply-To: <835yvmka50.fsf@gnu.org>
On 8/30/21 12:25 PM, Eli Zaretskii wrote:
>> Date: Mon, 30 Aug 2021 18:50:34 +0000
>> From: Alan Mackenzie <acm@muc.de>
>> Cc: emacs-devel@gnu.org
>>
>> The following patch is an attempt to improve this situation. It is best
>> used with jit-stealth-lock enabled. I have tried it out with the
>> following settings:
>>
>> jit-lock-stealth-load: 200 ; i.e. inactive.
>> jit-lock-stealth-nice: 0.1 ; 100 ms between fontifying stealth
>> chunks.
>> jit-lock-stealth-time: 1 ; 1 second idle time before stealth kicks
>> in.
>>
>> Whenever a new found type is entered into the CC Mode table, it marks
>> all occurrences of the type in the buffer for fontification (by setting
>> the 'fontified text property to nil on it), and causes an immediate
>> redisplay when there are occurrences of the new type in a window.
> So you are saying that this will cause the display of the visible
> portion of the window to flicker whenever jit-lock-stealth finds such
> a "new type"? That could annoy, can't it? jit-lock-stealth is for
> fontifying portions of the buffer(s) that are not on display, it would
> be wrong for it to apply this enhancement, I think, certainly by
> default.
Any literal "flicker" issues should have been fixed for a long time now.
What do you mean? That the fontification might change? That happens anyway.
>
> And jit-lock-stealth-time of 1 sec is too short. I use 16, because
> once jit-lock-stealth starts fontifying a chunk, Emacs can be
> relatively slow to react to keyboard input, so I prefer to let
> jit-lock-stealth start its thing only when there's a very good chance
> I indeed stopped typing, not just thinking about something for a
> second or two.
Isn't this problem what while-no-input is intended to prevent?
>> I think stealth lock could be enhanced by having it fontify several
>> 500-byte chunks together, say until 0.05s time has been taken up. This
>> could speed up stealth fontification while still leaving the keyboard
>> responsive to the user.
> Users can already arrange for that by manipulating the
> jit-stealth-lock parameters. Why should we change code to force upon
> everyone what seems like a good idea to you (but isn't a good idea
> IME, see above)? If you want that, you can easily arrange for Emacs
> to behave like that without changing any code.
Because good defaults matter, and if we have proper input preemption of
stealth JIT working, there should be no downside.
next prev parent reply other threads:[~2021-08-30 19:28 UTC|newest]
Thread overview: 274+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-04 3:16 cc-mode fontification feels random Daniel Colascione
2021-06-04 6:10 ` Eli Zaretskii
2021-06-04 7:10 ` Theodor Thornhill
2021-06-04 10:08 ` João Távora
2021-06-04 10:39 ` Eli Zaretskii
2021-06-04 10:59 ` Philipp
2021-06-04 11:05 ` João Távora
2021-06-04 11:22 ` Eli Zaretskii
2021-06-04 12:44 ` Dmitry Gutov
2021-06-04 13:46 ` João Távora
2021-06-04 14:11 ` Eli Zaretskii
2021-06-04 11:18 ` Eli Zaretskii
2021-06-04 16:43 ` Jim Porter
[not found] ` <83k0n9l9pv.fsf@gnu.org>
2021-06-04 19:41 ` Jim Porter
2021-06-04 19:53 ` Eli Zaretskii
2021-06-04 20:05 ` Jim Porter
2021-06-04 20:11 ` Joost Kremers
2021-06-05 6:51 ` Eli Zaretskii
2021-06-05 10:14 ` Joost Kremers
2021-06-05 11:31 ` Eli Zaretskii
2021-06-05 12:12 ` Joost Kremers
2021-06-05 13:23 ` Stefan Monnier
2021-06-05 17:08 ` Óscar Fuentes
2021-06-05 17:31 ` Stefan Monnier
2021-06-05 17:32 ` Eli Zaretskii
2021-06-05 18:46 ` João Távora
2021-06-05 6:41 ` Eli Zaretskii
2021-06-05 9:32 ` João Távora
2021-06-05 9:59 ` Ergus
2021-06-05 11:29 ` Eli Zaretskii
2021-06-05 11:55 ` Daniel Colascione
2021-06-05 12:27 ` Eli Zaretskii
2021-06-05 17:59 ` Jim Porter
2021-06-05 18:56 ` Daniel Martín
2021-06-05 12:43 ` Ergus
2021-06-05 13:59 ` Remote GUI Emacs really works (was: cc-mode fontification feels random) Óscar Fuentes
2021-06-05 11:25 ` cc-mode fontification feels random Eli Zaretskii
2021-06-05 9:46 ` Ergus
2021-06-05 11:27 ` Eli Zaretskii
2021-06-04 20:14 ` Yuri Khan
2021-06-04 10:25 ` Eli Zaretskii
2021-06-04 10:05 ` Daniel Colascione
2021-06-04 10:22 ` Eli Zaretskii
2021-06-04 10:34 ` João Távora
2021-06-04 10:43 ` Eli Zaretskii
2021-06-04 18:25 ` Stefan Monnier
2021-06-04 18:36 ` Daniel Colascione
2021-06-04 19:11 ` Eli Zaretskii
2021-06-04 19:16 ` Daniel Colascione
2021-06-04 19:26 ` Eli Zaretskii
2021-06-04 19:33 ` Daniel Colascione
2021-06-04 19:51 ` Eli Zaretskii
2021-06-05 0:29 ` Stefan Monnier
2021-06-05 6:32 ` Eli Zaretskii
2021-06-04 19:07 ` Eli Zaretskii
2021-06-04 19:26 ` Daniel Colascione
2021-06-04 19:32 ` Eli Zaretskii
2021-06-04 10:41 ` Eli Zaretskii
2021-06-04 10:42 ` Ergus
2021-06-04 15:54 ` Alan Mackenzie
2021-06-04 18:30 ` Daniel Colascione
2021-06-06 11:37 ` Alan Mackenzie
2021-06-06 11:57 ` Eli Zaretskii
2021-06-06 12:27 ` Alan Mackenzie
2021-06-06 12:44 ` Eli Zaretskii
2021-06-06 14:19 ` Alan Mackenzie
2021-06-06 17:06 ` Eli Zaretskii
2021-06-06 17:44 ` Stefan Monnier
2021-06-06 18:00 ` Eli Zaretskii
2021-06-06 18:18 ` Stefan Monnier
2021-06-06 18:33 ` Daniel Colascione
2021-06-06 20:24 ` Stefan Monnier
2021-06-06 20:27 ` Daniel Colascione
2021-06-06 20:38 ` Stefan Monnier
2021-06-06 19:03 ` Eli Zaretskii
2021-06-06 20:28 ` Stefan Monnier
2021-06-07 7:35 ` martin rudalics
2021-06-07 13:20 ` Stefan Monnier
2021-06-07 13:37 ` Eli Zaretskii
2021-06-08 0:06 ` Daniel Colascione
2021-06-08 15:16 ` Stefan Monnier
2021-06-07 15:58 ` martin rudalics
2021-06-08 4:01 ` Richard Stallman
2021-06-08 15:29 ` Stefan Monnier
2021-06-08 15:52 ` Eli Zaretskii
2021-06-08 16:36 ` Stefan Monnier
2021-06-08 18:11 ` Daniel Colascione
2021-06-08 18:25 ` Eli Zaretskii
2021-06-08 18:28 ` Daniel Colascione
2021-06-08 18:54 ` Eli Zaretskii
2021-06-09 18:22 ` Alan Mackenzie
2021-06-09 18:36 ` Eli Zaretskii
2021-06-09 18:51 ` Daniel Colascione
2021-06-09 19:04 ` Eli Zaretskii
2021-06-09 20:07 ` chad
2021-06-10 6:43 ` Eli Zaretskii
2021-06-09 20:17 ` Dmitry Gutov
2021-06-09 21:03 ` Alan Mackenzie
2021-06-10 2:21 ` Daniel Colascione
2021-06-10 6:55 ` Eli Zaretskii
2021-06-10 6:58 ` Daniel Colascione
2021-06-10 7:19 ` Eli Zaretskii
2021-06-10 6:39 ` Eli Zaretskii
2021-06-10 16:46 ` Alan Mackenzie
2021-06-10 17:01 ` Eli Zaretskii
2021-06-10 17:07 ` Daniel Colascione
2021-06-10 17:22 ` Eli Zaretskii
2021-06-10 17:33 ` Daniel Colascione
2021-06-10 17:39 ` Eli Zaretskii
2021-06-10 17:40 ` Óscar Fuentes
2021-06-10 17:44 ` Eli Zaretskii
2021-06-11 16:11 ` Alan Mackenzie
2021-06-11 17:53 ` Eli Zaretskii
2021-06-11 18:02 ` Daniel Colascione
2021-06-11 18:22 ` Eli Zaretskii
2021-06-11 18:28 ` Daniel Colascione
2021-06-11 19:12 ` Alan Mackenzie
2021-06-11 19:23 ` Eli Zaretskii
2021-06-11 18:47 ` Alan Mackenzie
2021-06-11 19:32 ` Eli Zaretskii
2021-06-11 19:46 ` Alan Mackenzie
2021-06-11 19:50 ` Eli Zaretskii
2021-06-11 18:42 ` Stefan Monnier
2021-06-11 19:31 ` Eli Zaretskii
2021-06-11 19:57 ` Stefan Monnier
2021-06-11 23:25 ` Ergus
2021-06-11 23:52 ` Óscar Fuentes
2021-06-12 1:08 ` Ergus
2021-06-12 3:20 ` Stefan Monnier
2021-06-12 11:07 ` Ergus
2021-06-12 6:58 ` Eli Zaretskii
2021-06-12 11:01 ` Ergus
2021-06-12 11:25 ` Eli Zaretskii
2021-06-12 15:04 ` Ergus
2021-06-12 15:16 ` Eli Zaretskii
2021-06-12 15:23 ` Ergus
2021-06-12 15:35 ` Eli Zaretskii
2021-06-12 14:00 ` Stefan Monnier
2021-06-12 14:20 ` Eli Zaretskii
2021-06-12 14:33 ` Stefan Monnier
2021-06-12 15:06 ` Eli Zaretskii
2021-06-12 15:46 ` Stefan Monnier
2021-06-12 6:50 ` Eli Zaretskii
2021-06-12 5:20 ` Theodor Thornhill
2021-06-12 13:40 ` Stefan Monnier
2021-06-12 15:56 ` Theodor Thornhill
2021-06-12 16:59 ` Ergus
2021-06-12 17:51 ` Theodor Thornhill
2021-06-12 17:25 ` Stefan Monnier
2021-06-12 17:53 ` Theodor Thornhill
2021-06-12 17:54 ` Ergus
2021-06-12 18:02 ` Daniel Colascione
2021-06-12 18:39 ` Ergus
2021-06-12 6:38 ` Eli Zaretskii
2021-06-12 13:44 ` Stefan Monnier
2021-06-12 14:14 ` Eli Zaretskii
2021-06-11 20:06 ` Alan Mackenzie
2021-06-12 6:44 ` Eli Zaretskii
2021-06-12 8:00 ` Daniel Colascione
2021-06-12 8:08 ` Eli Zaretskii
2021-06-12 9:31 ` Alan Mackenzie
2021-06-11 19:48 ` Eli Zaretskii
2021-06-11 18:34 ` Alan Mackenzie
2021-06-10 17:26 ` Óscar Fuentes
2021-06-10 17:39 ` andrés ramírez
2021-06-10 21:06 ` Stefan Monnier
2021-06-11 6:14 ` Eli Zaretskii
2021-06-10 15:16 ` Ergus
2021-06-10 15:34 ` Óscar Fuentes
2021-06-10 19:06 ` Ergus
2021-06-10 19:28 ` Eli Zaretskii
2021-06-10 21:56 ` Ergus
2021-06-10 15:59 ` Jim Porter
2021-06-10 21:02 ` Stefan Monnier
2021-06-11 20:21 ` Ergus
2021-06-11 20:27 ` Stefan Monnier
2021-06-11 20:37 ` Daniel Colascione
2021-06-11 20:52 ` Stefan Monnier
2021-06-12 6:46 ` Eli Zaretskii
2021-06-12 8:03 ` Daniel Colascione
2021-06-12 8:13 ` Eli Zaretskii
2021-06-12 13:51 ` Stefan Monnier
2021-06-12 8:47 ` Daniele Nicolodi
2021-06-12 8:57 ` tomas
2021-06-12 14:04 ` Stefan Monnier
2021-06-09 19:05 ` Daniel Colascione
2021-06-09 19:11 ` Eli Zaretskii
2021-06-09 20:20 ` Alan Mackenzie
2021-06-09 20:36 ` Stefan Monnier
2021-06-10 7:01 ` Daniel Colascione
2021-06-10 7:21 ` Eli Zaretskii
2021-06-10 2:21 ` Daniel Colascione
2021-06-19 9:25 ` Alan Mackenzie
2021-06-19 15:24 ` Alan Mackenzie
2021-07-09 14:06 ` Daniel Colascione
2021-07-11 18:12 ` Stephen Leake
2021-07-15 18:13 ` Perry E. Metzger
2021-07-15 22:43 ` Tree Sitter (was Re: cc-mode fontification feels random) Perry E. Metzger
2021-07-19 23:49 ` Stephen Leake
2021-07-20 14:53 ` Perry E. Metzger
2021-07-21 0:04 ` Stephen Leake
2021-07-21 1:28 ` Stefan Monnier
2021-07-21 14:43 ` Perry E. Metzger
2021-07-21 16:21 ` Daniel Colascione
2021-07-21 19:15 ` Perry E. Metzger
2021-07-22 1:16 ` Daniel Colascione
2021-07-22 13:18 ` Perry E. Metzger
2021-07-22 13:49 ` Yuan Fu
2021-07-24 20:05 ` [SPAM UNSURE] " Stephen Leake
2021-07-25 0:41 ` Daniel Colascione
2021-07-26 4:24 ` [SPAM UNSURE] " Stephen Leake
2021-07-25 18:01 ` Perry E. Metzger
2021-07-22 14:00 ` Perry E. Metzger
2021-07-24 1:17 ` Richard Stallman
2021-07-25 16:13 ` Stephen Leake
2021-07-25 19:52 ` Ada (was Re: Tree Sitter) Perry E. Metzger
2021-07-26 5:05 ` Stephen Leake
2021-07-26 9:42 ` Stephen Leake
2021-07-26 14:01 ` Perry E. Metzger
2021-07-26 13:45 ` Perry E. Metzger
2021-07-27 0:26 ` Richard Stallman
2021-07-27 12:38 ` Perry E. Metzger
2021-07-26 2:23 ` Tree Sitter (was Re: cc-mode fontification feels random) John Yates
2021-07-24 19:59 ` Stephen Leake
2021-07-24 21:21 ` OFF-TOPIC: Ada availability (was: Tree Sitter) Óscar Fuentes
2021-07-25 7:31 ` tomas
2021-06-08 18:11 ` cc-mode fontification feels random Eli Zaretskii
2021-06-08 21:25 ` Stefan Monnier
2021-06-09 3:39 ` Richard Stallman
2021-06-09 8:34 ` martin rudalics
2021-06-09 13:14 ` `open-paren-in-column-0-is-defun-start` (was: cc-mode fontification feels random) Stefan Monnier
2021-06-09 15:15 ` Yuri Khan
2021-06-09 15:16 ` Yuri Khan
2021-06-12 17:29 ` cc-mode fontification feels random João Távora
2021-06-13 8:50 ` martin rudalics
2021-06-13 9:05 ` João Távora
2021-06-13 9:39 ` martin rudalics
2021-06-13 10:06 ` João Távora
2021-06-13 14:52 ` martin rudalics
2021-06-13 15:25 ` João Távora
2021-06-14 8:29 ` martin rudalics
2021-06-14 8:40 ` João Távora
2021-06-14 9:00 ` martin rudalics
2021-06-14 9:14 ` João Távora
2021-06-14 11:28 ` Eli Zaretskii
2021-06-14 14:39 ` Stefan Monnier
2021-06-15 22:38 ` Ergus
2021-06-07 12:08 ` Eli Zaretskii
2021-06-08 15:22 ` Stefan Monnier
2021-06-08 15:46 ` Eli Zaretskii
2021-06-05 20:25 ` Dmitry Gutov
2021-06-06 11:53 ` Alan Mackenzie
2021-06-06 17:08 ` Dmitry Gutov
2021-08-30 18:50 ` [PATCH] " Alan Mackenzie
2021-08-30 19:03 ` Perry E. Metzger
2021-08-30 19:18 ` Alan Mackenzie
2021-08-30 19:25 ` Eli Zaretskii
2021-08-30 19:28 ` Daniel Colascione [this message]
2021-08-30 19:37 ` Eli Zaretskii
2021-08-30 20:11 ` Stefan Monnier
2021-08-31 10:54 ` Alan Mackenzie
2021-08-31 13:23 ` Eli Zaretskii
2021-08-31 16:02 ` Alan Mackenzie
2021-08-31 16:21 ` Eli Zaretskii
2021-08-31 16:46 ` Alan Mackenzie
2021-08-31 17:02 ` Eli Zaretskii
2021-08-31 18:56 ` Stefan Monnier
2021-08-31 21:17 ` Alan Mackenzie
2021-08-31 21:47 ` Stefan Monnier
2021-10-22 20:13 ` [Committed PATCH] " Alan Mackenzie
2021-10-24 20:18 ` Alan Mackenzie
2021-08-31 13:18 ` [PATCH] " Eli Zaretskii
2021-08-30 20:03 ` Alan Mackenzie
2021-08-31 11:53 ` Eli Zaretskii
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