From: Alexander Shukaev <haroogan@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>
Subject: Re: Something like `without-redisplay'?
Date: Tue, 1 Sep 2015 19:24:09 +0200 [thread overview]
Message-ID: <CAKu-7WwEM-sOuqPsm3nzLTByMmUjUj4pvv9o00FEBw3mdpr5tQ@mail.gmail.com> (raw)
In-Reply-To: <83wpwaaxd6.fsf@gnu.org>
>> >> > Horizontal scrolling doesn't move point, AFAIR.
>> >>
>> >> Even if `auto-hscroll-mode' is on (which it is by default)?
>> >
>> > auto-hscroll-mode does the opposite: it scrolls the display to move
>> > point into the view. It doesn't move point.
>>
>> Does it mean that
>>
>> (save-excursion
>> (end-of-visual-line)
>> (current-column))
>>
>> has potential to cause unintentional viewport movement?
>
> Only if you force redisplay, or change the window width, as part of
> the save-excursion form. Otherwise, by the time redisplay is entered,
> point is back where it was, and no hscroll will happen.
Alright, now I understand the recipe. Thanks a lot, Eli.
prev parent reply other threads:[~2015-09-01 17:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 9:49 Something like `without-redisplay'? Alexander Shukaev
2015-08-31 14:23 ` Eli Zaretskii
2015-08-31 19:32 ` Alexander Shukaev
2015-08-31 23:37 ` Alexander Shukaev
2015-09-01 2:39 ` Eli Zaretskii
2015-09-01 13:56 ` Alexander Shukaev
2015-09-01 14:52 ` Eli Zaretskii
2015-09-01 15:24 ` Alexander Shukaev
2015-09-01 15:57 ` Eli Zaretskii
2015-09-01 16:10 ` Alexander Shukaev
2015-09-01 16:47 ` Alexander Shukaev
2015-09-01 17:00 ` Eli Zaretskii
2015-09-01 17:24 ` Alexander Shukaev [this message]
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