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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: nljlistbox2@gmail.com, 16840@debbugs.gnu.org
Subject: bug#16840: 24.3.50; Jerky motion and up/down asymmetry scrolling images in Eww
Date: Fri, 27 Sep 2019 16:12:31 +0200	[thread overview]
Message-ID: <87muepomk0.fsf@gnus.org> (raw)
In-Reply-To: <837e5ulwmt.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 26 Sep 2019 21:50:50 +0300")

Eli Zaretskii <eliz@gnu.org> writes:

> Your code generates an image whose height is smaller than the window
> height, and in that case Emacs scrolls the entire image off the window
> in one go, because all of the image was already visible once.

Oh, the

  (set-frame-height (window-frame (selected-window)) 1000 nil t)

bit didn't work?  That was supposed to ensure that the window was
shorter than the image...

> If I decrease the frame height so that the image becomes taller than
> the window, the image is scrolled partially until you had a chance to
> see all of it, then the rest is scrolled away in one large step.  This
> is exactly how the code in simple.el is designed and implemented, so I
> see no bug here.

It might be how it's designed, but it's (as you can see from this bug
report) behaviour that people find surprising.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





  reply	other threads:[~2019-09-27 14:12 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-22  1:51 bug#16840: 24.3.50; Jerky motion and up/down asymmetry scrolling images in Eww N. Jackson
2014-02-22  8:21 ` Eli Zaretskii
2014-02-22 17:15   ` N. Jackson
2014-02-22 18:05     ` Eli Zaretskii
2015-12-25  7:43       ` Lars Ingebrigtsen
2015-12-25  8:01         ` Eli Zaretskii
2015-12-25 16:54           ` Lars Ingebrigtsen
2015-12-25 17:04             ` Eli Zaretskii
2015-12-25 17:28               ` Lars Ingebrigtsen
2015-12-25 19:56                 ` Eli Zaretskii
2015-12-25 19:01               ` N. Jackson
2015-12-25 19:58                 ` Eli Zaretskii
2019-09-26 16:58                   ` Lars Ingebrigtsen
2019-09-26 17:11                     ` Eli Zaretskii
2019-09-26 17:19                       ` Lars Ingebrigtsen
2019-09-26 17:55                         ` Eli Zaretskii
2019-09-26 18:03                           ` Lars Ingebrigtsen
2019-09-26 18:32                             ` Eli Zaretskii
2019-09-26 18:34                               ` Lars Ingebrigtsen
2019-09-26 18:50                                 ` Eli Zaretskii
2019-09-27 14:12                                   ` Lars Ingebrigtsen [this message]
2019-09-27 14:29                                     ` Eli Zaretskii
2019-09-27 14:35                                       ` Lars Ingebrigtsen

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