From: Eli Zaretskii <eliz@gnu.org>
To: Tak Kunihiro <tkk@misasa.okayama-u.ac.jp>
Cc: emacs-devel@gnu.org
Subject: Re: line-pixel-height beyond eol
Date: Thu, 14 Sep 2017 20:53:45 +0300 [thread overview]
Message-ID: <83poatmaja.fsf@gnu.org> (raw)
In-Reply-To: <20170914.081426.783469864848954364.tkk@misasa.okayama-u.ac.jp> (message from Tak Kunihiro on Thu, 14 Sep 2017 08:14:26 +0900 (JST))
> Date: Thu, 14 Sep 2017 08:14:26 +0900 (JST)
> Cc: emacs-devel@gnu.org, tkk@misasa.okayama-u.ac.jp
> From: Tak Kunihiro <tkk@misasa.okayama-u.ac.jp>
>
> (progn (vertical-motion 1)
> (dolist (vs (number-sequence 1 (1- (save-excursion
> (goto-char (window-start))
> (line-pixel-height)))))
> (set-window-vscroll nil vs t) (sit-for 0.01))
> (scroll-up 1))
>
> Let's assume a line with image of height 144 pixel is located on the
> top line. When auto-hscroll-mode is off and (current-column) is large
> (the 144 pixel image is scrolled left), the top line looks 27 pixel
> height but (line-pixel-height) returns 144 pixel. The inconsistency
> results in jump.
Would it help not to use the height of the top window line, but
instead simply use the value returned by frame-char-height? That
takes its value from the frame's default font, and so should be
independent on what's in the window.
next prev parent reply other threads:[~2017-09-14 17:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-12 10:12 line-pixel-height beyond eol Tak Kunihiro
2017-09-12 15:13 ` Eli Zaretskii
2017-09-13 0:24 ` Tak Kunihiro
2017-09-13 15:28 ` Eli Zaretskii
2017-09-13 23:14 ` Tak Kunihiro
2017-09-14 17:53 ` Eli Zaretskii [this message]
2017-09-15 1:39 ` Tak Kunihiro
2017-09-15 17:35 ` Eli Zaretskii
2017-09-23 12:57 ` Tak Kunihiro
2017-09-23 13:16 ` Eli Zaretskii
2017-10-05 9:50 ` Tak Kunihiro
2017-10-09 13:31 ` Eli Zaretskii
2017-10-16 5:13 ` Tak Kunihiro
2017-10-16 16:16 ` Eli Zaretskii
2017-10-17 0:29 ` Tak Kunihiro
2017-10-17 16:37 ` Eli Zaretskii
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