From: Dmitry Antipov <dmantipov@yandex.ru>
To: Eli Zaretskii <eliz@gnu.org>
Cc: wence@gmx.li, 13623@debbugs.gnu.org
Subject: bug#13623: 24.3.50; Redisplay issue with transient-mark-mode
Date: Wed, 06 Feb 2013 11:16:48 +0400 [thread overview]
Message-ID: <51120360.4060104@yandex.ru> (raw)
In-Reply-To: <83fw1aac3d.fsf@gnu.org>
On 02/05/2013 09:45 PM, Eli Zaretskii wrote:
> As long as we don't restrict the 'region' face to a very small subset
> of possible face customizations (e.g., just the background and the
> foreground colors), and ignore the other attributes, an arbitrary face
> change on one line might potentially affect many more lines in the
> window. E.g., try customizing the 'region' face to twice its normal
> height.
This looks terribly ugly, but works (at least, I don't see any glitches
while performing basic operations with the region).
> And I'm not sure this is worth optimizing anyway: region changes are
> relatively rare and almost always driven by user input, so I don't
> think redisplay will become significantly faster as result of any
> optimizations in this area.
I have a strong suspicion that this also applies to ~50% of xdisp.c
unless you're on 2400bps tty or remote X connection via 33600bps modem.
Dmitry
next prev parent reply other threads:[~2013-02-06 7:16 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-03 22:05 bug#13623: 24.3.50; Redisplay issue with transient-mark-mode Lawrence Mitchell
2013-02-04 15:49 ` Eli Zaretskii
2013-02-04 17:20 ` Lawrence Mitchell
2013-02-04 18:10 ` Eli Zaretskii
2013-02-05 4:54 ` Dmitry Antipov
2013-02-05 12:07 ` Dmitry Antipov
2013-02-05 17:46 ` Eli Zaretskii
2013-02-05 17:45 ` Eli Zaretskii
2013-02-06 7:16 ` Dmitry Antipov [this message]
2013-02-06 14:31 ` Stefan Monnier
2013-02-06 15:14 ` Dmitry Antipov
2013-02-06 18:04 ` Eli Zaretskii
2013-02-06 18:23 ` Eli Zaretskii
2013-02-06 20:30 ` Stefan Monnier
2013-02-07 3:41 ` Eli Zaretskii
2013-02-08 13:33 ` Long lines and bidi [Was: Re: bug#13623: ...] Dmitry Antipov
2013-02-08 14:07 ` Eli Zaretskii
2013-02-08 14:46 ` Long lines and bidi Eli Zaretskii
2013-02-08 16:38 ` Dmitry Antipov
2013-02-08 16:52 ` Eli Zaretskii
2013-02-09 3:34 ` Paul Eggert
2013-02-09 8:46 ` Eli Zaretskii
2013-02-09 9:05 ` Paul Eggert
2013-02-09 9:33 ` Eli Zaretskii
2013-02-11 2:33 ` Paul Eggert
2013-02-09 10:01 ` Eli Zaretskii
2013-02-10 16:57 ` Eli Zaretskii
2013-02-11 5:43 ` Dmitry Antipov
2013-02-11 7:54 ` Dmitry Antipov
2013-02-11 16:47 ` Eli Zaretskii
2013-02-11 23:55 ` Paul Eggert
2013-02-11 16:42 ` Eli Zaretskii
2013-02-11 17:53 ` Dmitry Antipov
2013-02-11 18:10 ` Eli Zaretskii
2013-02-11 18:21 ` Dmitry Antipov
2013-02-11 17:17 ` Eli Zaretskii
2013-02-11 17:55 ` Drew Adams
2013-02-11 18:13 ` Eli Zaretskii
2013-02-08 16:21 ` Long lines and bidi [Was: Re: bug#13623: ...] Dmitry Antipov
2013-02-08 17:04 ` Eli Zaretskii
2013-02-08 15:33 ` Stefan Monnier
2013-02-08 16:05 ` Eli Zaretskii
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