GNU bug report logs - #52195
Mouse scrolling is very slow under pgtk if open pixel-scroll-precision-mode

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Package: emacs;

Reported by: Vitaly Ankh <vitalyankh <at> gmail.com>

Date: Tue, 30 Nov 2021 08:12:02 UTC

Severity: normal

Tags: moreinfo

Done: Po Lu <luangruo <at> yahoo.com>

Bug is archived. No further changes may be made.

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#52195; Package emacs. (Tue, 30 Nov 2021 08:12:02 GMT) Full text and rfc822 format available.

Acknowledgement sent to Vitaly Ankh <vitalyankh <at> gmail.com>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Tue, 30 Nov 2021 08:12:02 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Vitaly Ankh <vitalyankh <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Mouse scrolling is very slow under pgtk if open
 pixel-scroll-precision-mode
Date: Tue, 30 Nov 2021 15:54:28 +0800
[Message part 1 (text/plain, inline)]
Hi,
  I compiled the pgtk branch of GNU emacs. After launching it and opening
pixel-scroll-precision-mode, the mouse scrolling became very slow. I
need to scroll much more
cycles to scroll down the page. If I disable
pixel-scroll-precision-mode, the mouse scrolling will
be normal.

The output of `pkexec libinput list-devices` is attached.
The following is the information about my running emacs.

In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
3.24.30, cairo version 1.17.4)
 of 2021-11-30 built on rex
Repository revision: d15dafeefb58fc521186385a1a703f7f660f2f6b
Repository branch: makepkg
Windowing system distributor 'System Description: Arch Linux

Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --mandir=/usr/share/man --with-gameuser=:games
 --with-sound=alsa --with-modules --without-gconf --without-gsettings
 --with-pgtk --enable-link-time-optimization --with-native-compilation
 --with-x-toolkit=gtk3 --without-xaw3d --without-compress-install
 '--program-transform-name=s/\([ec]tags\)/\1.emacs/'
 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fno-plt -flto
 -fuse-linker-plugin -flto -fuse-linker-plugin'
 CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM HARFBUZZ JPEG JSON LCMS2
LIBOTF LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER
PGTK PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS XIM GTK3
ZLIB

Important settings:
  value of $LANG: zh_CN.UTF-8
  value of $XMODIFIERS: @im=fcitx
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message mailcap yank-media rmc puny
dired dired-loaddefs rfc822 mml mml-sec epa derived epg rfc6068
epg-config gnus-util rmail rmail-loaddefs auth-source cl-seq eieio
eieio-core cl-macs eieio-loaddefs password-cache json map
text-property-search time-date seq gv subr-x byte-opt bytecomp
byte-compile cconv mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils help-mode cl-loaddefs cl-lib china-util
iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/pgtk-win pgtk-win term/common-win
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock
font-lock syntax font-core term/tty-colors frame minibuffer cl-generic
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite emoji-zwj charscript
charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice button loaddefs faces cus-face macroexp files
window text-properties overlay sha1 md5 base64 format env code-pages
mule custom widget keymap hashtable-print-readable backquote threads
dbusbind inotify dynamic-setting font-render-setting cairo move-toolbar
gtk x-toolkit pgtk lcms2 multi-tty make-network-process native-compile
emacs)

Memory information:
((conses 16 71222 8823)
 (symbols 48 6801 0)
 (strings 32 20592 2193)
 (string-bytes 1 693748)
 (vectors 16 14838)
 (vector-slots 8 360002 14972)
 (floats 8 23 38)
 (intervals 56 242 0)
 (buffers 992 10))

VitalyR
[pkexec libinput list-devices output (application/octet-stream, attachment)]

Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#52195; Package emacs. (Tue, 30 Nov 2021 11:39:01 GMT) Full text and rfc822 format available.

Message #8 received at 52195 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Vitaly Ankh <vitalyankh <at> gmail.com>
Cc: 52195 <at> debbugs.gnu.org
Subject: Re: bug#52195: Mouse scrolling is very slow under pgtk if open
 pixel-scroll-precision-mode
Date: Tue, 30 Nov 2021 19:38:22 +0800
Thanks for the report.  I tried to fix it, please test again.




Added tag(s) moreinfo. Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Tue, 30 Nov 2021 13:11:02 GMT) Full text and rfc822 format available.

Reply sent to Po Lu <luangruo <at> yahoo.com>:
You have taken responsibility. (Thu, 02 Dec 2021 03:24:02 GMT) Full text and rfc822 format available.

Notification sent to Vitaly Ankh <vitalyankh <at> gmail.com>:
bug acknowledged by developer. (Thu, 02 Dec 2021 03:24:02 GMT) Full text and rfc822 format available.

Message #15 received at 52195-done <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Vitaly Ankh <vitalyankh <at> gmail.com>
Cc: 52195-done <at> debbugs.gnu.org
Subject: Re: bug#52195: Mouse scrolling is very slow under pgtk if open
 pixel-scroll-precision-mode
Date: Thu, 02 Dec 2021 11:23:03 +0800
Po Lu <luangruo <at> yahoo.com> writes:

> Thanks for the report.  I tried to fix it, please test again.

The reporter has replied off-list that the bug has been resolved, so I'm
closing this bug report.




bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Thu, 30 Dec 2021 12:24:15 GMT) Full text and rfc822 format available.

This bug report was last modified 2 years and 79 days ago.

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