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From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Jim Porter <jporterbugs@gmail.com>
Cc: Eli Zaretskii <eliz@gnu.org>,
	Ashton Wiersdorf <ashton@wiersdorfmail.net>,
	74430@debbugs.gnu.org
Subject: bug#74430: 30.0.92; pixel-scroll-precision-mode hiding Eshell prompt after some commands
Date: Fri, 22 Nov 2024 07:59:50 +0800	[thread overview]
Message-ID: <87jzcwi1e1.fsf@yahoo.com> (raw)
In-Reply-To: <2689fac8-0a2f-ed4e-b46e-afa4f36ab840@gmail.com> (Jim Porter's message of "Thu, 21 Nov 2024 10:37:08 -0800")

Jim Porter <jporterbugs@gmail.com> writes:

> I'm only dimly aware of how 'pixel-scroll-precision-mode' works, but I
> seem to recall that it sets the window's vscroll to allow scrolling
> past *part* of a line. On the Eshell side, I believe the relevant
> function is 'eshell-postoutput-scroll-to-bottom', which calls
> 'recenter' to scroll the window.
>
> I'm guessing these interact badly, and what we actually want to do is
> to reset the vscroll when Eshell calls 'recenter'. However, I'm not
> sure what the best way to do this would be. Is there some better
> function Eshell can call that would handle this case correctly?

Since pixel-scroll-precision-mode never configures a vscroll taller than
one screen line, resetting vscroll in these scenarios is generally the
safest and simplest solutions to problems such as the OP is facing.





  reply	other threads:[~2024-11-21 23:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-18 17:52 bug#74430: 30.0.92; pixel-scroll-precision-mode hiding Eshell prompt after some commands Ashton Wiersdorf
2024-11-21 10:53 ` Eli Zaretskii
2024-11-21 18:37   ` Jim Porter
2024-11-21 23:59     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2024-11-22  6:58       ` Eli Zaretskii
2024-11-30 10:07         ` Eli Zaretskii
2024-12-14  9:38           ` Eli Zaretskii
2024-11-25  5:13 ` Jim Porter
2024-11-30 10:07   ` Eli Zaretskii
2024-12-14  9:38     ` Eli Zaretskii
2024-12-14 18:40       ` Ashton Wiersdorf
2024-12-15 19:10         ` Jim Porter

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