From: Eli Zaretskii <eliz@gnu.org>
Cc: rogers-emacs@rgrjr.dyndns.org, mituharu@math.s.chiba-u.ac.jp,
emacs-devel@gnu.org
Subject: Re: Bug in incremental undrawing of mouseover highlighting
Date: Sat, 25 Nov 2006 23:10:12 +0200 [thread overview]
Message-ID: <u4psn5j2j.fsf@gnu.org> (raw)
In-Reply-To: <87y7pzo5yx.fsf@stupidchicken.com> (message from Chong Yidong on Sat, 25 Nov 2006 11:18:14 -0500)
> Cc: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>,
> rogers-emacs@rgrjr.dyndns.org, emacs-devel@gnu.org
> From: Chong Yidong <cyd@stupidchicken.com>
> Date: Sat, 25 Nov 2006 11:18:14 -0500
>
> > I don't consider myself much of a redisplay expert, but I did express
> > a (different) concern for the patch as posted, a concern that
> > seemingly had no effect whatsoever.
>
> It's still unclear, from the messages you sent, whether this bug can
> happen outside of HAVE_WINDOW_SYSTEM. The bugfix is meant to plug a
> loophole in the code in note_mouse_highlight that computes whether or
> not the mouse highlight has been updated, which is only present for
> HAVE_WINDOW_SYSTEM.
You will see that the same code is duplicated, more or less, in
msdos.c, beginning at line 1612. That is why I thought the same
problem could happen there, and that is why I was bothered by the fact
that the fix was only applied to builds that define
HAVE_WINDOW_SYSTEM.
Meanwhile, I've built an MSDOS port of Emacs 22.0.91 and found I
couldn't reproduce the original problem in it. So I guess the issue
of whether the same fix should be applied to the MSDOS port can now be
closed.
As to the concerns expressed by Yamamoto Mitsuharu, I would also
suggest that a redisplay expert looks into them.
next prev parent reply other threads:[~2006-11-25 21:10 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-19 22:32 Bug in incremental undrawing of mouseover highlighting Bob Rogers
2006-11-19 22:50 ` David Kastrup
2006-11-19 23:45 ` Bob Rogers
2006-12-13 14:45 ` Stephen Berman
2006-12-13 16:04 ` Chong Yidong
2006-12-14 9:22 ` Stephen Berman
2006-12-16 12:31 ` Stephen Berman
2006-11-20 4:20 ` Eli Zaretskii
2006-11-20 19:22 ` Chong Yidong
2006-11-20 20:24 ` misleading install instruction in emacs/mac/INSTALL Gilbert Harman
2006-11-21 7:47 ` Richard Stallman
2006-11-22 8:23 ` YAMAMOTO Mitsuharu
2006-11-22 17:07 ` Gilbert Harman
2006-11-20 20:36 ` Bug in incremental undrawing of mouseover highlighting Eli Zaretskii
2006-11-22 4:06 ` Bob Rogers
2006-11-22 18:35 ` Eli Zaretskii
2006-11-22 15:07 ` Chong Yidong
2006-11-22 22:20 ` Eli Zaretskii
2006-11-22 23:57 ` Nick Roberts
2006-11-23 4:12 ` Eli Zaretskii
2006-11-23 4:50 ` Nick Roberts
2006-11-24 18:18 ` Eli Zaretskii
2006-11-25 1:53 ` YAMAMOTO Mitsuharu
2006-11-25 4:18 ` Chong Yidong
2006-11-25 7:28 ` YAMAMOTO Mitsuharu
2006-11-25 10:53 ` Eli Zaretskii
2006-11-25 16:18 ` Chong Yidong
2006-11-25 21:10 ` Eli Zaretskii [this message]
2006-11-26 19:05 ` Kim F. Storm
2006-12-26 2:26 ` Richard Stallman
2006-12-27 3:58 ` Bob Rogers
2006-12-27 21:16 ` Richard Stallman
2007-01-02 15:46 ` Kim F. Storm
2007-01-05 0:38 ` Michael Mauger
2007-01-19 15:33 ` Chong Yidong
2007-01-20 21:40 ` Stephen Berman
2007-01-21 14:36 ` Stephen Berman
2007-11-07 22:18 ` Stephen Berman
2007-01-23 16:28 ` John Paul Wallington
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