From: Eli Zaretskii <eliz@gnu.org>
To: "Jan Djärv" <jan.h.d@swipnet.se>
Cc: ofv@wanadoo.es, emacs-devel@gnu.org
Subject: Re: Emacs and Gnome Canvas
Date: Thu, 15 Jul 2010 18:20:55 +0300 [thread overview]
Message-ID: <83tyo0g4a0.fsf@gnu.org> (raw)
In-Reply-To: <4C3F264F.2030501@swipnet.se>
> Date: Thu, 15 Jul 2010 17:16:31 +0200
> From: Jan Djärv <jan.h.d@swipnet.se>
> CC: ofv@wanadoo.es, emacs-devel@gnu.org
>
> 2010-07-15 16:35, Eli Zaretskii skrev:
> >> Date: Thu, 15 Jul 2010 16:24:27 +0200
> >> From: Jan Djärv<jan.h.d@swipnet.se>
> >> Cc: ofv@wanadoo.es, emacs-devel@gnu.org
> >>
> >> No, they need to be done anyway sometime, it is no waste. If the text isn't
> >> displayed, the attributes are nvertheless set up correctly for the time when
> >> the text is to be displayed later (by scrolling for example).
> >
> > By which time those attributes could have recomputed many times, for
> > just one display!
> >
>
> That may be so. But there is nothing actually displayed, you just do a update
> of the attributes.
This "just" is the hottest bottleneck of the current display engine.
That's why we try so hard to avoid it.
> I'm sure one could hook in to the scroll bars and just update the
> visible portion if that is needed.
I don't think updating the scroll bar is an important CPU user in
today's redisplay.
> >> If done right, I don't think it would be slower. But someone has to do the
> >> code before we know.
> >
> > Well, naturally, if "done right"s definition is "to be no slower" ;-)
> >
>
> Isn't that always implied by "right"?
Of course.
next prev parent reply other threads:[~2010-07-15 15:20 UTC|newest]
Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-13 19:02 Emacs, QT and Cairo Was: Re: Efforts to attract more users? Stephen Eilert
2010-07-13 19:29 ` Chong Yidong
2010-07-13 19:51 ` Chad Brown
2010-07-13 20:48 ` Jan Djärv
2010-07-13 22:30 ` Emacs, QT and Cairo Chad Brown
2010-07-14 1:39 ` Stephen J. Turnbull
2010-07-14 2:32 ` Óscar Fuentes
2010-07-14 7:29 ` Eli Zaretskii
2010-07-14 18:37 ` Chad Brown
2010-07-14 20:45 ` Eli Zaretskii
2010-07-14 21:24 ` Óscar Fuentes
2010-07-15 6:55 ` Emacs and Gnome Canvas (was: Emacs, QT and Cairo) Eli Zaretskii
2010-07-15 7:46 ` Emacs and Gnome Canvas Jan Djärv
2010-07-15 7:53 ` Jan Djärv
2010-07-15 8:36 ` joakim
2010-07-15 8:40 ` Eli Zaretskii
2010-07-15 8:50 ` Jan Djärv
2010-07-15 8:38 ` Eli Zaretskii
2010-07-15 8:48 ` Jan Djärv
2010-07-15 8:59 ` Eli Zaretskii
2010-07-15 9:29 ` Jan Djärv
2010-07-15 10:24 ` Eli Zaretskii
2010-07-15 10:54 ` Jan Djärv
2010-07-15 12:27 ` Eli Zaretskii
2010-07-15 14:18 ` Óscar Fuentes
2010-07-15 15:14 ` Eli Zaretskii
2010-07-16 6:33 ` Miles Bader
2010-07-15 16:00 ` Chong Yidong
2010-07-15 16:27 ` Óscar Fuentes
2010-07-15 17:06 ` Eli Zaretskii
2010-07-15 17:48 ` Óscar Fuentes
2010-07-15 18:06 ` Eli Zaretskii
2010-07-15 21:27 ` Óscar Fuentes
2010-07-16 8:17 ` Eli Zaretskii
2010-07-16 14:24 ` Óscar Fuentes
2010-07-16 15:19 ` Eli Zaretskii
2010-07-16 16:07 ` Óscar Fuentes
2010-07-16 18:43 ` Eli Zaretskii
2010-07-16 21:21 ` Óscar Fuentes
2010-07-16 23:44 ` Chad Brown
2010-07-17 0:08 ` Óscar Fuentes
2010-07-17 7:57 ` Eli Zaretskii
2010-07-17 8:34 ` Andreas Schwab
2010-07-17 9:10 ` Eli Zaretskii
2010-07-17 9:40 ` Andreas Schwab
2010-07-17 10:23 ` Eli Zaretskii
2010-07-17 13:49 ` Óscar Fuentes
2010-07-17 7:27 ` Eli Zaretskii
2010-07-17 13:42 ` Óscar Fuentes
2010-07-17 15:27 ` Eli Zaretskii
2010-07-17 21:53 ` Óscar Fuentes
2010-07-18 1:42 ` Miles Bader
2010-07-18 2:45 ` Óscar Fuentes
2010-07-18 8:06 ` Chad Brown
2010-07-18 14:43 ` Óscar Fuentes
2010-07-21 8:34 ` Stefan Monnier
2010-07-22 14:26 ` Stefan Monnier
2010-07-15 17:22 ` Chong Yidong
2010-07-15 18:02 ` Óscar Fuentes
2010-07-15 22:10 ` Stephen Eilert
2010-07-16 7:52 ` Eli Zaretskii
2010-07-16 2:14 ` YAMAMOTO Mitsuharu
2010-07-16 7:33 ` Jan Djärv
2010-07-16 9:52 ` Eli Zaretskii
2010-07-16 10:15 ` YAMAMOTO Mitsuharu
2010-07-16 10:39 ` Eli Zaretskii
2010-07-16 12:42 ` Jan Djärv
2010-07-17 3:50 ` YAMAMOTO Mitsuharu
2010-07-17 8:33 ` Jan Djärv
2010-07-17 8:38 ` YAMAMOTO Mitsuharu
2010-07-17 9:18 ` Jan Djärv
2010-07-17 9:25 ` YAMAMOTO Mitsuharu
2010-07-17 10:26 ` Jan Djärv
2010-07-18 3:51 ` YAMAMOTO Mitsuharu
2010-07-18 7:10 ` Jan Djärv
2010-07-18 7:45 ` YAMAMOTO Mitsuharu
2010-07-18 9:06 ` Jan Djärv
2010-07-19 0:50 ` YAMAMOTO Mitsuharu
2010-07-17 1:00 ` YAMAMOTO Mitsuharu
2010-07-17 1:40 ` YAMAMOTO Mitsuharu
2010-07-17 8:04 ` Eli Zaretskii
2010-07-17 8:25 ` YAMAMOTO Mitsuharu
2010-07-16 12:21 ` Jan Djärv
2010-07-16 10:01 ` YAMAMOTO Mitsuharu
2010-07-16 12:26 ` Jan Djärv
2010-07-16 14:05 ` Davis Herring
2010-07-16 17:38 ` Jan Djärv
2010-07-17 1:12 ` YAMAMOTO Mitsuharu
2010-07-17 7:14 ` Eli Zaretskii
2010-07-17 7:31 ` YAMAMOTO Mitsuharu
2010-07-17 8:12 ` Eli Zaretskii
2010-07-17 8:32 ` YAMAMOTO Mitsuharu
2010-07-15 14:24 ` Jan Djärv
2010-07-15 14:35 ` Eli Zaretskii
2010-07-15 15:16 ` Jan Djärv
2010-07-15 15:20 ` Eli Zaretskii [this message]
2010-07-15 17:14 ` Jan Djärv
2010-07-15 9:20 ` Andy Wingo
2010-07-15 18:41 ` Emacs and Gnome Canvas (was: Emacs, QT and Cairo) Dirk-Jan C. Binnema
2010-07-15 21:51 ` Emacs and Gnome Canvas Óscar Fuentes
2010-07-15 22:21 ` Bruce Stephens
2010-07-27 21:24 ` Emacs, QT and Cairo Stefan Monnier
2010-07-27 21:36 ` Chad Brown
2010-07-28 3:05 ` Eli Zaretskii
2010-07-14 8:59 ` Emacs, QT and Cairo Was: Re: Efforts to attract more users? YAMAMOTO Mitsuharu
2010-07-14 9:41 ` Emacs, QT and Cairo David Engster
2010-07-14 9:56 ` Jan Djärv
2010-07-14 13:50 ` Drew Adams
2010-07-14 14:14 ` David Engster
2010-07-14 14:28 ` joakim
2010-07-14 15:41 ` Emacs, QT and Cairo Was: Re: Efforts to attract more users? Chong Yidong
2010-07-14 16:17 ` joakim
2010-07-14 18:04 ` Jan Djärv
2010-07-15 23:15 ` Andrew W. Nosenko
2010-07-16 7:41 ` Jan Djärv
2010-07-16 10:24 ` Andrew W. Nosenko
2010-07-16 12:36 ` Jan Djärv
-- strict thread matches above, loose matches on Subject: below --
2010-07-17 19:02 Emacs and Gnome Canvas grischka
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