[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays eve
From: |
Francis Litterio |
Subject: |
Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly! |
Date: |
Wed, 08 Sep 2004 10:36:33 -0400 |
User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/21.3.50 (windows-nt) |
Richard Stallman wrote:
> However, I still think we should find out why redisplay
> happens inside that loop, since in all appearance, there should
> be no redisplay.
I think I found the cause of the problem. Here are the details:
1. list-buffers-noselect calls set-window-buffer once for every buffer.
2. set-window-buffer calls the functions on window-scroll-functions.
3. The problem only happens when I'm running ERC (the Emacs IRC client).
4. ERC adds the function erc-scroll-to-bottom to window-scroll-functions
(locally in each ERC buffer).
5. erc-scroll-to-bottom calls recenter.
6. recenter's docstring says "Center point in window and redisplay
frame." but I can't find a code path that leads from recenter to
redisplay.
Despite not being able to find the actual call to redisplay, I think
that this explains the behavior I was seeing. Can someone who knows
Emacs display logic better than me confirm or deny my conclusion?
Question: Since set-window-buffer calls the hooks on
window-scroll-functions, should list-buffers-noselect be changed to
avoid this potential for redisplay?
--
Francis Litterio
address@hidden
http://world.std.com/~franl/
GPG and PGP public keys available on keyservers.
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, (continued)
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Kevin Rodgers, 2004/09/03
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Stephan Stahl, 2004/09/04
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Francis Litterio, 2004/09/04
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Richard Stallman, 2004/09/04
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Francis Litterio, 2004/09/03
Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Richard Stallman, 2004/09/05
Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Francis Litterio, 2004/09/08
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Kevin Rodgers, 2004/09/08
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Francis Litterio, 2004/09/08
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Richard Stallman, 2004/09/09
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Stephan Stahl, 2004/09/09
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Richard Stallman, 2004/09/09
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Francis Litterio, 2004/09/09
- Re: CVS Emacs list-buffer-noselect calls set-window-buffer, displays every buffer briefly!, Stephan Stahl, 2004/09/09