From: Eli Zaretskii <eliz@gnu.org>
To: Alan Mackenzie <acm@muc.de>
Cc: emacs-devel@gnu.org
Subject: Re: "... the window start at a meaningless point within a line."
Date: Mon, 19 Oct 2015 16:27:38 +0300 [thread overview]
Message-ID: <8337x7gf91.fsf@gnu.org> (raw)
In-Reply-To: <20151019131158.GF2438@acm.fritz.box>
> Date: Mon, 19 Oct 2015 13:11:58 +0000
> Cc: emacs-devel@gnu.org
> From: Alan Mackenzie <acm@muc.de>
>
> > > I'm only really looking at the problem of getting to the correct
> > > beginning of line. Moving to a specific column (with a cons argument to
> > > vertical-motion) seems to be less of a problem.
>
> > If that's in a continuation line, you have the same problem: the
> > display engine and the move_it_* functions count coordinates and
> > columns from their BOL, not from your "actual" BOLs.
>
> That's not what I see. Having set `it' in Fvertical_motion to an
> iterator based at WS, the column movement remains based on `it', i.e.
> based on "actual" BOLs.
When move_it_by_lines returns, you are on the goal line, at zero X
coordinate. That zero is in "xdisp coordinates".
next prev parent reply other threads:[~2015-10-19 13:27 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-30 20:45 "... the window start at a meaningless point within a line." Alan Mackenzie
2015-10-01 8:48 ` Eli Zaretskii
2015-10-01 9:41 ` Alan Mackenzie
2015-10-01 10:16 ` Eli Zaretskii
2015-10-01 11:02 ` Alan Mackenzie
2015-10-01 12:03 ` Eli Zaretskii
2015-10-01 16:35 ` Alan Mackenzie
2015-10-15 18:16 ` Alan Mackenzie
2015-10-15 20:14 ` Eli Zaretskii
2015-10-16 9:55 ` Alan Mackenzie
2015-10-16 10:19 ` Eli Zaretskii
2015-10-16 15:19 ` Alan Mackenzie
2015-10-16 17:26 ` Eli Zaretskii
2015-10-16 20:46 ` David Kastrup
2015-10-17 7:15 ` Eli Zaretskii
2015-10-17 7:56 ` David Kastrup
2015-10-16 21:14 ` Alan Mackenzie
2015-10-16 17:35 ` Eli Zaretskii
2015-10-16 18:12 ` Alan Mackenzie
2015-10-16 18:23 ` Eli Zaretskii
2015-10-16 18:36 ` Eli Zaretskii
2015-10-16 20:12 ` Alan Mackenzie
2015-10-17 8:33 ` Eli Zaretskii
2015-10-17 11:57 ` Alan Mackenzie
2015-10-17 12:34 ` Eli Zaretskii
2015-10-17 13:31 ` Eli Zaretskii
2015-10-17 14:22 ` Eli Zaretskii
2015-10-18 15:00 ` Alan Mackenzie
2015-10-18 17:44 ` Eli Zaretskii
2015-10-19 10:27 ` Alan Mackenzie
2015-10-27 13:40 ` Alan Mackenzie
2015-10-27 17:35 ` Alan Mackenzie
2015-10-27 18:33 ` Eli Zaretskii
2015-10-27 18:23 ` Eli Zaretskii
2015-10-28 8:58 ` Alan Mackenzie
2015-10-28 13:15 ` Alan Mackenzie
2015-10-31 13:21 ` Eli Zaretskii
2015-10-31 21:17 ` Alan Mackenzie
2015-11-01 3:40 ` Eli Zaretskii
2015-11-01 14:45 ` Alan Mackenzie
2015-11-01 15:23 ` Alan Mackenzie
2015-11-01 17:45 ` Eli Zaretskii
2015-11-01 18:07 ` Eli Zaretskii
2015-11-01 18:46 ` Alan Mackenzie
2015-10-18 14:53 ` Alan Mackenzie
2015-10-18 17:46 ` Eli Zaretskii
2015-10-19 10:45 ` Alan Mackenzie
2015-10-19 10:56 ` Eli Zaretskii
2015-10-19 11:24 ` Alan Mackenzie
2015-10-19 11:28 ` Eli Zaretskii
2015-10-19 12:02 ` Alan Mackenzie
2015-10-19 12:33 ` Eli Zaretskii
2015-10-19 13:11 ` Alan Mackenzie
2015-10-19 13:27 ` Eli Zaretskii [this message]
2015-10-19 19:15 ` Alan Mackenzie
2015-10-27 13:46 ` Alan Mackenzie
2015-10-17 15:30 ` Alan Mackenzie
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