From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#16840: 24.3.50; Jerky motion and up/down asymmetry scrolling images in Eww Date: Sat, 22 Feb 2014 20:05:40 +0200 Message-ID: <83fvnb2fbf.fsf@gnu.org> References: <874n3rj4ng.fsf@moondust.localdomain> <83eh2v4kx6.fsf@gnu.org> <87y513rrue.fsf_-_@moondust.localdomain> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1393092435 6776 80.91.229.3 (22 Feb 2014 18:07:15 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 22 Feb 2014 18:07:15 +0000 (UTC) Cc: 16840@debbugs.gnu.org To: nljlistbox2@gmail.com (N. Jackson) Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Feb 22 19:07:19 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WHGyt-000217-3f for geb-bug-gnu-emacs@m.gmane.org; Sat, 22 Feb 2014 19:07:19 +0100 Original-Received: from localhost ([::1]:50408 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WHGys-0002UE-KX for geb-bug-gnu-emacs@m.gmane.org; Sat, 22 Feb 2014 13:07:18 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47242) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WHGyi-0002Tm-SS for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2014 13:07:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WHGyc-0006et-9O for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2014 13:07:08 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34685) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WHGyc-0006en-5V for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2014 13:07:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WHGyb-0004Ci-Uk for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2014 13:07:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 22 Feb 2014 18:07:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16840 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-Cc: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.139309237716086 (code B ref -1); Sat, 22 Feb 2014 18:07:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 22 Feb 2014 18:06:17 +0000 Original-Received: from localhost ([127.0.0.1]:35867 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WHGxs-0004BO-D9 for submit@debbugs.gnu.org; Sat, 22 Feb 2014 13:06:16 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:45308) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WHGxo-0004B5-Bj for submit@debbugs.gnu.org; Sat, 22 Feb 2014 13:06:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WHGxc-0006Sp-7K for submit@debbugs.gnu.org; Sat, 22 Feb 2014 13:06:06 -0500 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:57746) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WHGxc-0006Sj-4l for submit@debbugs.gnu.org; Sat, 22 Feb 2014 13:06:00 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46938) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WHGxW-0002O3-2q for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2014 13:06:00 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WHGxO-0006PZ-Qn for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2014 13:05:54 -0500 Original-Received: from mtaout24.012.net.il ([80.179.55.180]:39011) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WHGxO-0006PD-IU for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2014 13:05:46 -0500 Original-Received: from conversion-daemon.mtaout24.012.net.il by mtaout24.012.net.il (HyperSendmail v2007.08) id <0N1E00M00SD0NB00@mtaout24.012.net.il> for bug-gnu-emacs@gnu.org; Sat, 22 Feb 2014 20:04:24 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout24.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0N1E00NBQSVCNB10@mtaout24.012.net.il>; Sat, 22 Feb 2014 20:04:24 +0200 (IST) In-reply-to: <87y513rrue.fsf_-_@moondust.localdomain> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:86029 Archived-At: > From: nljlistbox2@gmail.com (N. Jackson) > Cc: bug-gnu-emacs@gnu.org > Date: Sat, 22 Feb 2014 13:15:53 -0400 > > >> At some point (and it's approximately when two lines are visible below > >> the image) the cursor jumps to the line below the image, and, most > >> unfortunately, the window scrolls so that that line is the top line in > >> the window. This results in a huge jerk, and it also means that the > >> image has disappeared before you can read a caption directly below it. > > > > Wasn't the caption visible before the jump? > > The first line of it, but if there were a two-line gap instead of a > one-line gap between the image and its caption, it wouldn't be visible. But a two-line gap would mean one more empty line, so I think the caption would still be visible. > >> Furthermore, while scrolling one key press at a time like this, there > >> are occasional "glitches" where the image jumps back to the position it > >> was in immediately before scrolling started. > > > > I don't see it with images I tried. It would be best if you could > > provide a reproducible recipe, with a specific image, starting from > > "emacs -Q", that shows these glitches. > > If it is reproducible on demand, I don't see the pattern. That's what I > meant by the "occasional" in my description. I think I found the way of reproducing this, and I will look into that. > After the "glitch" occurs at the beginning of scrolling an image, when > the cursor emerges in the text below the image it is at the ends of the > lines instead of in the first column. This seems to happen consistently > after the "glitch" occurs. Yes, I see this also. Thanks.