* Recentering on scroll
@ 2008-10-25 18:03 Chong Yidong
2008-10-27 0:57 ` Juanma Barranquero
2008-10-27 0:57 ` bug#873: " Juanma Barranquero
0 siblings, 2 replies; 10+ messages in thread
From: Chong Yidong @ 2008-10-25 18:03 UTC (permalink / raw
To: emacs-devel; +Cc: 873, Juanma Barranquero
Can anyone reproduce bug#873 (occasional recentering during C-n)? I
thought I could reproduce it at some point, using the recipe given in
that bug report, but I can't seem to do it now.
> After setting this in .emacs:
>
> (setq scroll-preserve-screen-position 'always
> scroll-conservatively most-positive-fixnum ;; any large number
> scroll-step 0)
>
> scroll-down causes recentering. This is a regression.
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: Recentering on scroll 2008-10-25 18:03 Recentering on scroll Chong Yidong @ 2008-10-27 0:57 ` Juanma Barranquero 2008-10-27 5:19 ` Chong Yidong 2008-10-27 0:57 ` bug#873: " Juanma Barranquero 1 sibling, 1 reply; 10+ messages in thread From: Juanma Barranquero @ 2008-10-27 0:57 UTC (permalink / raw To: Chong Yidong; +Cc: 873, emacs-devel On Sat, Oct 25, 2008 at 19:03, Chong Yidong <cyd@stupidchicken.com> wrote: > Can anyone reproduce bug#873 (occasional recentering during C-n)? I I can still reproduce it on Windows, though the effect's frequency varies with frame size and font (it seems to happen more often with DejaVu Sans Mono than Courier New, for example). Juanma ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: Recentering on scroll 2008-10-27 0:57 ` Juanma Barranquero @ 2008-10-27 5:19 ` Chong Yidong 2008-09-03 16:15 ` bug#873: Annoying recentering when scrolling down Juanma Barranquero 2008-10-27 5:33 ` Recentering on scroll Chong Yidong 0 siblings, 2 replies; 10+ messages in thread From: Chong Yidong @ 2008-10-27 5:19 UTC (permalink / raw To: Juanma Barranquero; +Cc: 873-done, emacs-devel "Juanma Barranquero" <lekktu@gmail.com> writes: > On Sat, Oct 25, 2008 at 19:03, Chong Yidong <cyd@stupidchicken.com> wrote: > >> Can anyone reproduce bug#873 (occasional recentering during C-n)? I > > I can still reproduce it on Windows, though the effect's frequency > varies with frame size and font (it seems to happen more often with > DejaVu Sans Mono than Courier New, for example). I managed to reproduce it, and found the bug that (I think) was causing this problem. I've checked in a fix. ^ permalink raw reply [flat|nested] 10+ messages in thread
* bug#873: Annoying recentering when scrolling down @ 2008-09-03 16:15 ` Juanma Barranquero 2008-10-27 5:25 ` bug#873: marked as done (Annoying recentering when scrolling down) Emacs bug Tracking System 2008-11-20 9:35 ` Emacs bug Tracking System 0 siblings, 2 replies; 10+ messages in thread From: Juanma Barranquero @ 2008-09-03 16:15 UTC (permalink / raw To: Emacs Bug Tracker Package: emacs Version: 23.0.60 Severity: normal After setting this in .emacs: (setq scroll-preserve-screen-position 'always scroll-conservatively most-positive-fixnum ;; any large number scroll-step 0) scroll-down causes recentering. This is a regression. The bug was apparently introduced by the following change: 2008-08-06 Chong Yidong <address@hidden> * xdisp.c (try_scrolling): Use iterator to find the scroll margin, instead of window-end which does the wrong thing at eob. (try_cursor_movement): Minor optimization. (redisplay_window): If scroll margin is defined, don't assume window doesn't need scrolling. emacs-devel discussion: http://lists.gnu.org/archive/html/emacs-devel/2008-08/msg00903.html ^ permalink raw reply [flat|nested] 10+ messages in thread
* bug#873: marked as done (Annoying recentering when scrolling down) 2008-09-03 16:15 ` bug#873: Annoying recentering when scrolling down Juanma Barranquero @ 2008-10-27 5:25 ` Emacs bug Tracking System 2008-11-20 9:35 ` Emacs bug Tracking System 1 sibling, 0 replies; 10+ messages in thread From: Emacs bug Tracking System @ 2008-10-27 5:25 UTC (permalink / raw To: Chong Yidong [-- Attachment #1: Type: text/plain, Size: 820 bytes --] Your message dated Mon, 27 Oct 2008 01:19:00 -0400 with message-id <87d4hm4nuj.fsf@cyd.mit.edu> and subject line Re: Recentering on scroll has caused the Emacs bug report #873, regarding Annoying recentering when scrolling down to be marked as done. This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact don@donarmstrong.com immediately.) -- 873: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=873 Emacs Bug Tracking System Contact don@donarmstrong.com with problems [-- Attachment #2: Type: message/rfc822, Size: 3006 bytes --] From: "Juanma Barranquero" <lekktu@gmail.com> To: "Emacs Bug Tracker" <submit@emacsbugs.donarmstrong.com> Subject: Annoying recentering when scrolling down Date: Wed, 3 Sep 2008 18:15:14 +0200 Message-ID: <f7ccd24b0809030915w1a667fc9k6ce0d656c29b1257@mail.gmail.com> Package: emacs Version: 23.0.60 Severity: normal After setting this in .emacs: (setq scroll-preserve-screen-position 'always scroll-conservatively most-positive-fixnum ;; any large number scroll-step 0) scroll-down causes recentering. This is a regression. The bug was apparently introduced by the following change: 2008-08-06 Chong Yidong <address@hidden> * xdisp.c (try_scrolling): Use iterator to find the scroll margin, instead of window-end which does the wrong thing at eob. (try_cursor_movement): Minor optimization. (redisplay_window): If scroll margin is defined, don't assume window doesn't need scrolling. emacs-devel discussion: http://lists.gnu.org/archive/html/emacs-devel/2008-08/msg00903.html [-- Attachment #3: Type: message/rfc822, Size: 1769 bytes --] From: Chong Yidong <cyd@stupidchicken.com> To: "Juanma Barranquero" <lekktu@gmail.com> Cc: emacs-devel@gnu.org, 873-done@emacsbugs.donarmstrong.com Subject: Re: Recentering on scroll Date: Mon, 27 Oct 2008 01:19:00 -0400 Message-ID: <87d4hm4nuj.fsf@cyd.mit.edu> "Juanma Barranquero" <lekktu@gmail.com> writes: > On Sat, Oct 25, 2008 at 19:03, Chong Yidong <cyd@stupidchicken.com> wrote: > >> Can anyone reproduce bug#873 (occasional recentering during C-n)? I > > I can still reproduce it on Windows, though the effect's frequency > varies with frame size and font (it seems to happen more often with > DejaVu Sans Mono than Courier New, for example). I managed to reproduce it, and found the bug that (I think) was causing this problem. I've checked in a fix. ^ permalink raw reply [flat|nested] 10+ messages in thread
* bug#873: marked as done (Annoying recentering when scrolling down) 2008-09-03 16:15 ` bug#873: Annoying recentering when scrolling down Juanma Barranquero 2008-10-27 5:25 ` bug#873: marked as done (Annoying recentering when scrolling down) Emacs bug Tracking System @ 2008-11-20 9:35 ` Emacs bug Tracking System 1 sibling, 0 replies; 10+ messages in thread From: Emacs bug Tracking System @ 2008-11-20 9:35 UTC (permalink / raw To: Juanma Barranquero [-- Attachment #1: Type: text/plain, Size: 828 bytes --] Your message dated Thu, 20 Nov 2008 10:25:03 +0100 with message-id <f7ccd24b0811200125g54fb5812wc3f67e5de87ec345@mail.gmail.com> and subject line has caused the Emacs bug report #873, regarding Annoying recentering when scrolling down to be marked as done. This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact don@donarmstrong.com immediately.) -- 873: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=873 Emacs Bug Tracking System Contact don@donarmstrong.com with problems [-- Attachment #2: Type: message/rfc822, Size: 3006 bytes --] From: "Juanma Barranquero" <lekktu@gmail.com> To: "Emacs Bug Tracker" <submit@emacsbugs.donarmstrong.com> Subject: Annoying recentering when scrolling down Date: Wed, 3 Sep 2008 18:15:14 +0200 Message-ID: <f7ccd24b0809030915w1a667fc9k6ce0d656c29b1257@mail.gmail.com> Package: emacs Version: 23.0.60 Severity: normal After setting this in .emacs: (setq scroll-preserve-screen-position 'always scroll-conservatively most-positive-fixnum ;; any large number scroll-step 0) scroll-down causes recentering. This is a regression. The bug was apparently introduced by the following change: 2008-08-06 Chong Yidong <address@hidden> * xdisp.c (try_scrolling): Use iterator to find the scroll margin, instead of window-end which does the wrong thing at eob. (try_cursor_movement): Minor optimization. (redisplay_window): If scroll margin is defined, don't assume window doesn't need scrolling. emacs-devel discussion: http://lists.gnu.org/archive/html/emacs-devel/2008-08/msg00903.html [-- Attachment #3: Type: message/rfc822, Size: 2534 bytes --] From: "Juanma Barranquero" <lekktu@gmail.com> To: 873-done@emacsbugs.donarmstrong.com Subject: Date: Thu, 20 Nov 2008 10:25:03 +0100 Message-ID: <f7ccd24b0811200125g54fb5812wc3f67e5de87ec345@mail.gmail.com> Fixed by Chong Yidong with this change: 2008-10-27 Chong Yidong <cyd@stupidchicken.com> * xdisp.c (try_scrolling): When computing the distance from the scroll margin to PT, try moving some distance past the window bottom before giving up. http://cvs.savannah.gnu.org/viewvc/emacs/emacs/src/xdisp.c?r1=1.1268&r2=1.1269&pathrev=MAIN ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: Recentering on scroll 2008-10-27 5:19 ` Chong Yidong 2008-09-03 16:15 ` bug#873: Annoying recentering when scrolling down Juanma Barranquero @ 2008-10-27 5:33 ` Chong Yidong 2008-10-28 12:40 ` bug#873: " Juanma Barranquero 2008-10-28 12:40 ` Juanma Barranquero 1 sibling, 2 replies; 10+ messages in thread From: Chong Yidong @ 2008-10-27 5:33 UTC (permalink / raw To: Juanma Barranquero; +Cc: emacs-devel Chong Yidong <cyd@stupidchicken.com> writes: > I managed to reproduce it, and found the bug that (I think) was causing > this problem. I've checked in a fix. Actually, the fix caused a few problems; I've reverted it for now, and will check in a new version in a couple of hours. ^ permalink raw reply [flat|nested] 10+ messages in thread
* bug#873: Recentering on scroll 2008-10-27 5:33 ` Recentering on scroll Chong Yidong @ 2008-10-28 12:40 ` Juanma Barranquero 2008-10-28 12:40 ` Juanma Barranquero 1 sibling, 0 replies; 10+ messages in thread From: Juanma Barranquero @ 2008-10-28 12:40 UTC (permalink / raw To: Chong Yidong; +Cc: 873, emacs-devel On Mon, Oct 27, 2008 at 06:33, Chong Yidong <cyd@stupidchicken.com> wrote: > Actually, the fix caused a few problems; I've reverted it for now, and > will check in a new version in a couple of hours. With your most recent patch the unwanted recentering does not happen. Thanks. Line-by-line scroll is quite jumpy, though, as compared to next-line in Emacs 22.X, or even to previous-line in the current trunk. Juanma ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: Recentering on scroll 2008-10-27 5:33 ` Recentering on scroll Chong Yidong 2008-10-28 12:40 ` bug#873: " Juanma Barranquero @ 2008-10-28 12:40 ` Juanma Barranquero 1 sibling, 0 replies; 10+ messages in thread From: Juanma Barranquero @ 2008-10-28 12:40 UTC (permalink / raw To: Chong Yidong; +Cc: 873, emacs-devel On Mon, Oct 27, 2008 at 06:33, Chong Yidong <cyd@stupidchicken.com> wrote: > Actually, the fix caused a few problems; I've reverted it for now, and > will check in a new version in a couple of hours. With your most recent patch the unwanted recentering does not happen. Thanks. Line-by-line scroll is quite jumpy, though, as compared to next-line in Emacs 22.X, or even to previous-line in the current trunk. Juanma ^ permalink raw reply [flat|nested] 10+ messages in thread
* bug#873: Recentering on scroll 2008-10-25 18:03 Recentering on scroll Chong Yidong 2008-10-27 0:57 ` Juanma Barranquero @ 2008-10-27 0:57 ` Juanma Barranquero 1 sibling, 0 replies; 10+ messages in thread From: Juanma Barranquero @ 2008-10-27 0:57 UTC (permalink / raw To: Chong Yidong; +Cc: 873, emacs-devel On Sat, Oct 25, 2008 at 19:03, Chong Yidong <cyd@stupidchicken.com> wrote: > Can anyone reproduce bug#873 (occasional recentering during C-n)? I I can still reproduce it on Windows, though the effect's frequency varies with frame size and font (it seems to happen more often with DejaVu Sans Mono than Courier New, for example). Juanma ^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2008-11-20 9:35 UTC | newest] Thread overview: 10+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2008-10-25 18:03 Recentering on scroll Chong Yidong 2008-10-27 0:57 ` Juanma Barranquero 2008-10-27 5:19 ` Chong Yidong 2008-09-03 16:15 ` bug#873: Annoying recentering when scrolling down Juanma Barranquero 2008-10-27 5:25 ` bug#873: marked as done (Annoying recentering when scrolling down) Emacs bug Tracking System 2008-11-20 9:35 ` Emacs bug Tracking System 2008-10-27 5:33 ` Recentering on scroll Chong Yidong 2008-10-28 12:40 ` bug#873: " Juanma Barranquero 2008-10-28 12:40 ` Juanma Barranquero 2008-10-27 0:57 ` bug#873: " Juanma Barranquero
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