From: "Jan Djärv" <jan.h.d@swipnet.se>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 1867@debbugs.gnu.org, lbsmtp@gmail.com
Subject: bug#1867: Resizing window causes text flickering when using antialiased font on X
Date: Wed, 05 Oct 2011 19:34:45 +0200 [thread overview]
Message-ID: <4E8C9535.4000206@swipnet.se> (raw)
In-Reply-To: <E1RBOv2-0007gI-TQ@fencepost.gnu.org>
Eli Zaretskii skrev 2011-10-05 12:41:
>> Date: Wed, 05 Oct 2011 09:01:28 +0200
>> From: "Jan D."<jan.h.d@swipnet.se>
>> Cc: Bo Lin<lbsmtp@gmail.com>, 1867@debbugs.gnu.org
>>
>> FWIW, I can't see any text flicker in the scenario above. However, the
>> hollow cursor in the non-selected windows do flicker which indicates
>> that there is some redrawing going on.
>
> The way redisplay is written, _any_ change to dimensions of _any_
> window sets a flag that will cause a thorough redisplay of all the
> windows on all the visible frames. However, I'd expect that redisplay
> of any window not affected by the resizing be limited to redrawing the
> cursor.
>
> So even when antialiased fonts are used, I wouldn't expect any
> flickering, because Emacs should notice that the window didn't change
> at all. Unless, that is, redrawing the cursor on X involves redrawing
> parts of the window text. Does it?
Yes, but just the character under the cursor.
Jan D.
next prev parent reply other threads:[~2011-10-05 17:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-12 10:10 bug#1867: Resizing window causes text flickering when using antialiased font on X Bo Lin
2011-10-05 1:13 ` Glenn Morris
2011-10-05 7:01 ` Jan D.
2011-10-05 10:41 ` Eli Zaretskii
2011-10-05 17:34 ` Jan Djärv [this message]
2011-10-05 20:29 ` Eli Zaretskii
2011-10-05 21:16 ` Jan Djärv
2011-10-06 14:17 ` Jason Rumney
2011-10-05 21:57 ` Chong Yidong
2011-10-06 5:33 ` Eli Zaretskii
2011-10-06 6:05 ` Jan D.
2011-10-06 15:06 ` Chong Yidong
2011-10-06 19:38 ` Bo Lin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4E8C9535.4000206@swipnet.se \
--to=jan.h.d@swipnet.se \
--cc=1867@debbugs.gnu.org \
--cc=eliz@gnu.org \
--cc=lbsmtp@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).