From: Eli Zaretskii <eliz@gnu.org>
To: Keith David Bershatsky <esq@lawlist.com>
Cc: 29002@debbugs.gnu.org
Subject: bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling.
Date: Sun, 29 Oct 2017 21:23:33 +0200 [thread overview]
Message-ID: <83zi89u5ai.fsf@gnu.org> (raw)
In-Reply-To: <m2inex6aw9.wl%esq@lawlist.com> (message from Keith David Bershatsky on Sun, 29 Oct 2017 11:56:22 -0700)
> Date: Sun, 29 Oct 2017 11:56:22 -0700
> From: Keith David Bershatsky <esq@lawlist.com>
> Cc: 29002@debbugs.gnu.org
>
> I agree ... and that leads us to bug #29002. :)
>
> In the normal situation, the screen refreshes when the arrow key is used and non-current lines cease to be horizontally scrolled. In the current example, however, non-current lines remain horizontally scrolled and Emacs "thinks" that they are not. When I say that Emacs "thinks" they are not, I am referring to IT.
What Emacs "thinks" is on display. And there we see hscrolled lines.
So first_visible_x must be non-zero, and that is what I see. If
first_visible_x were zero, you'd see the line's text starting with the
first character of each line. I very much doubt that this is somehow
Windows-specific, since xdisp.c is the platform-independent part of
the display engine.
Or maybe the horizontal scroll bar on macOS somehow causes this. What
happens if you scroll-right with some key, like F8, and not with the
mouse?
(In any case, invoking scroll-right in this situation makes very
little sense to me.)
next prev parent reply other threads:[~2017-10-29 19:23 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-26 1:03 bug#29002: it.first_visible_x is erroneously 0 while horizontal scrolling Keith David Bershatsky
2017-10-26 3:45 ` Keith David Bershatsky
2017-10-26 4:51 ` Eli Zaretskii
2017-10-26 6:20 ` Keith David Bershatsky
2017-10-26 15:56 ` Eli Zaretskii
2017-10-26 18:56 ` Keith David Bershatsky
2017-10-29 11:23 ` Eli Zaretskii
2017-10-29 17:29 ` Keith David Bershatsky
2017-10-29 18:29 ` Eli Zaretskii
2017-10-29 18:56 ` Eli Zaretskii
2017-10-29 18:56 ` Keith David Bershatsky
2017-10-29 19:23 ` Eli Zaretskii [this message]
2017-10-29 19:08 ` Keith David Bershatsky
2017-10-29 20:12 ` Keith David Bershatsky
2017-10-30 18:02 ` Eli Zaretskii
2017-10-30 19:36 ` Keith David Bershatsky
2017-11-04 9:32 ` Eli Zaretskii
2017-11-05 0:16 ` Keith David Bershatsky
2017-11-05 9:15 ` Keith David Bershatsky
2017-11-05 10:44 ` Eli Zaretskii
2017-11-05 16:59 ` Keith David Bershatsky
2017-11-05 18:12 ` Eli Zaretskii
2017-11-06 1:05 ` Keith David Bershatsky
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