From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Patrick Poitras Newsgroups: gmane.emacs.bugs Subject: bug#63764: 30.0.50; pixel-scroll-precision-mode starts skipping pages after selecting region Date: Sun, 28 May 2023 10:52:13 -0700 Message-ID: References: <83fs7gj22x.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="000000000000fc3c6405fcc4a1fe" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="391"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 63764@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun May 28 19:53:28 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q3Ka8-000ATX-Oc for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 28 May 2023 19:53:28 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q3KZk-0002pW-Ry; 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charset="UTF-8" Content-Transfer-Encoding: quoted-printable Given it's 100% reproducible on my build, I went ahead with some testing of configuration options. It seems related to PGTK. ./configure --with-pgtk has the bug whereas the version without it does not. Given the warning message about using PGTK with X11, I assume that this falls under the same umbrella, and that I should go complain to the package builders. Let me know if there's anything more to look at. Patrick On Sun, May 28, 2023 at 1:23=E2=80=AFAM Eli Zaretskii wrote: > > From: Patrick Poitras > > Date: Sat, 27 May 2023 22:16:31 -0700 > > > > Start emacs with `emacs -Q` > > > > M-x pixel-scroll-precision-mode > > > > Scroll a large buffer, works great. > > > > Click and drag to select a region in the buffer. Click somewhere else i= n > the buffer. to unselect it. > > Scrolling around will now randomly skip entire pages after scrolling 4-= 5 > lines. This makes the mode > > unusable. > > I cannot reproduce this, FWIW. The effect of scrolling is the same > before and after selecting a region. > > Perhaps this is one more effect of known (and not yet solved) issues > with native-compilation? My Emacs was build without it. > --000000000000fc3c6405fcc4a1fe Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Given it's 100% reproducible on my build, I went = ahead with some testing of configuration options.

=
It seems related to PGTK. ./configure --with-pgtk has the bug whereas the=20 version without it does not. Given the warning message about using PGTK=20 with X11, I assume that this falls under the same umbrella, and that I=20 should go complain to the package builders.

Let me= know if there's anything more to look at.
Patrick

On Su= n, May 28, 2023 at 1:23=E2=80=AFAM Eli Zaretskii <eliz@gnu.org> wrote:
> From: Patrick Poitras <patrick.f.poitras@gmail.com&= gt;
> Date: Sat, 27 May 2023 22:16:31 -0700
>
> Start emacs with `emacs -Q`
>
> M-x pixel-scroll-precision-mode
>
> Scroll a large buffer, works great.
>
> Click and drag to select a region in the buffer. Click somewhere else = in the buffer. to unselect it.
> Scrolling around will now randomly skip entire pages after scrolling 4= -5 lines. This makes the mode
> unusable.

I cannot reproduce this, FWIW.=C2=A0 The effect of scrolling is the same before and after selecting a region.

Perhaps this is one more effect of known (and not yet solved) issues
with native-compilation?=C2=A0 My Emacs was build without it.
--000000000000fc3c6405fcc4a1fe--