GNU bug report logs - #42747
27.0.91; tabulated-list sort column scrolls window.

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

From: Jen-Chieh Shen <jcs090218 <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.91; tabulated-list sort column scrolls window.
Date: Fri, 7 Aug 2020 22:27:28 +0800

[Message part 1 (text/plain, inline)]

--text follows this line--

While using mouse click on tabulated list's column header, the window
scroll to the bottom. Is this the normal action?

### Steps to reproduce

1. emacs -q
2. M-x buffer-menu
3. Mouse click on any column header to trigger the sort function =>
`tabulated-list-col-sort`.


In GNU Emacs 27.0.91 (build 1, x86_64-w64-mingw32)
 of 2020-04-20 built on CIRROCUMULUS
Repository revision: c36c5a3dedbb2e0349be1b6c3b7567ea7b594f1c
Repository branch: HEAD
Windowing system distributor 'Microsoft Corp.', version 10.0.19041
System Description: Microsoft Windows 10 Pro (v10.0.2004.19041.388)

Recent messages:
Mark set [2 times]
Indenting region...done
Type "q" in help window to restore its previous buffer, C-M-v to scroll
help.
Type "q" in help window to restore its previous buffer.
Beginning of buffer [6 times]
End of buffer
Beginning of buffer [10 times]
Buffer-Wrap mode disabled in current buffer
next-line: End of buffer [3 times]
Buffer-Wrap mode enabled in current buffer

Configured using:
 'configure --without-dbus --host=x86_64-w64-mingw32
 --without-compress-install 'CFLAGS=-O2 -static''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS MODULES THREADS PDUMPER LCMS2 GMP

Important settings:
  value of $LANG: ENU
  locale-coding-system: utf-8

Major mode: Lisp Interaction

Minor modes in effect:
  yas-global-mode: t
  yas-minor-mode: t
  shell-dirtrack-mode: t
  global-undo-tree-mode: t
  undo-tree-mode: t
  feebleline-mode: t
  indicators-mode: t
  line-reminder-mode: t
  display-line-numbers-mode: t
  show-paren-mode: t
  projectile-mode: t
  goto-address-mode: t
  global-yascroll-bar-mode: t
  yascroll-bar-mode: t
  which-key-mode: t
  right-click-context-mode: t
  region-occurrences-highlighter-mode: t
  hi-lock-mode: t
  preproc-font-lock-global-mode: t
  ivy-mode: t
  delete-selection-mode: t
  global-hl-todo-mode: t
  hl-todo-mode: t
  global-hl-line-mode: t
  highlight-indent-guides-mode: t
  recentf-mode: t
  global-page-break-lines-mode: t
  page-break-lines-mode: t
  company-quickhelp-mode: t
  company-quickhelp-local-mode: t
  global-company-fuzzy-mode: t
  company-fuzzy-mode: t
  global-company-mode: t
  company-mode: t
  auto-read-only-mode: t
  auto-highlight-symbol-mode: t
  global-auto-highlight-symbol-mode: t
  global-alt-codes-mode: t
  alt-codes-mode: t
  override-global-mode: t
  electric-pair-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  window-divider-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug sendmail view flycheck-pos-tip eieio-opt
speedbar sb-image ezimage dframe help-fns radix-tree define-it
wiki-summary google-translate google-translate-default-ui
google-translate-core-ui google-translate-core google-translate-tk
google-translate-backend request autorevert filenotify jcs-snippet-mode
yasnippet-snippets yasnippet company-emoji company-emoji-list cl
flycheck find-func iedit iedit-lib multiple-cursors-core rect eww mm-url
gnus nnheader url-queue shr svg xml dom tramp tramp-loaddefs trampver
tramp-integration files-x tramp-compat jcs-shell-mode jcs-shell
multi-shell eshell esh-cmd esh-ext esh-opt esh-proc esh-io esh-arg
esh-module esh-groups esh-util shell pcomplete parse-time iso8601
undo-tree diff most-used-words counsel xdg swiper mm-archive
jcs-message-mode message dired dired-loaddefs format-spec rfc822 mml
mml-sec epa derived epg epg-config gnus-util rmail rmail-loaddefs
text-property-search time-date mailabbrev gmm-utils mailheader mm-decode
mm-bodies mm-encode mail-utils mule-util gnutls network-stream url-http
mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr url-gw
nsm rmc puny url-cache url-auth url url-proxy url-privacy url-expand
url-methods url-history url-cookie url-domsuf mailcap
jcs-feebleline-func show-eol ffmpeg-player feebleline indicators vc-mtn
vc-hg vc-git diff-mode vc-bzr vc-src vc-sccs vc-svn vc-cvs vc-rcs vc
vc-dispatcher diminish-buffer jcs-buffer-menu buffer-wrap line-reminder
display-line-numbers linum whitespace vs-dark-theme cl-extra help-mode
paren projectile cus-edit cus-start cus-load grep compile comint
ansi-color ibuf-ext ibuffer ibuffer-loaddefs goto-addr yascroll
which-key use-ttf right-click-context ordinal popup url-util
region-occurrences-highlighter hi-lock preproc-font-lock powerline
powerline-separators powerline-themes smex ido jcs-ivy-func ffap
thingatpt ivy flx delsel ivy-faces ivy-overlay colir hl-todo hl-line
highlight-indent-guides advice color exec-path-from-shell diminish
dashboard-ls f jcs-dashboard dashboard dashboard-widgets recentf
tree-widget wid-edit page-break-lines company-quickhelp pos-tip
company-fuzzy s company-oddmuse company-files company-clang company-capf
company-cmake company-semantic company-bbdb company-dabbrev-code
company-dabbrev company-etags etags fileloop generator xref project ring
company-gtags company-template company-keywords company-yasnippet
company pcase auto-read-only auto-highlight-symbol alt-codes jcs-face
jcs-key bind-key easy-mmode jcs-hook jcs-mode jcs-template jcs-plugin
jcs-theme jcs-env use-package-core elec-pair jcs-dev jcs-file
jcs-function jcs-oop-func jcs-vs-func jcs-comment jcs-edit jcs-nav
jcs-window jcs-frame jcs-util jcs-math jcs-log time dash jcs-package
finder-inf edmacro kmacro rx info package easymenu browse-url
url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs
eieio-loaddefs password-cache json subr-x map url-vars seq byte-opt gv
bytecomp byte-compile cconv cl-loaddefs cl-lib tooltip eldoc electric
uniquify ediff-hook vc-hooks lisp-float-type mwheel dos-w32 ls-lisp
disp-table term/w32-win w32-win w32-vars term/common-win tool-bar dnd
fontset image regexp-opt fringe tabulated-list replace newcomment
text-mode elisp-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock
syntax facemenu 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 charscript charprop
case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote threads w32notify w32
lcms2 multi-tty make-network-process emacs)

Memory information:
((conses 16 998787 419996)
 (symbols 48 35931 1)
 (strings 32 158798 86753)
 (string-bytes 1 5664733)
 (vectors 16 63284)
 (vector-slots 8 1085762 128962)
 (floats 8 407 965)
 (intervals 56 349094 23791)
 (buffers 1000 20))

[Message part 2 (text/html, inline)]

Message #8 received at 42747 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Jen-Chieh Shen <jcs090218 <at> gmail.com>
Cc: 42747 <at> debbugs.gnu.org
Subject: Re: bug#42747: 27.0.91; tabulated-list sort column scrolls window.
Date: Sat, 08 Aug 2020 11:15:22 +0300

> From: Jen-Chieh Shen <jcs090218 <at> gmail.com>
> Date: Fri, 7 Aug 2020 22:27:28 +0800
> 
> While using mouse click on tabulated list's column header, the window
> scroll to the bottom. Is this the normal action?

It looks like it attempts to preserve both the screen position of
point and the entry on which point is located.  So perhaps this is a
"feature".  Try clicking on the header when the current entry is not
the top-most to see what it's trying to do.

Message #11 received at 42747 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Jen-Chieh Shen <jcs090218 <at> gmail.com>, 42747 <at> debbugs.gnu.org
Subject: Re: bug#42747: 27.0.91; tabulated-list sort column scrolls window.
Date: Sun, 18 Oct 2020 15:12:11 -0700

[Message part 1 (text/plain, inline)]

tags 42747 + patch
thanks

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Jen-Chieh Shen <jcs090218 <at> gmail.com>
>> Date: Fri, 7 Aug 2020 22:27:28 +0800
>>
>> While using mouse click on tabulated list's column header, the window
>> scroll to the bottom. Is this the normal action?
>
> It looks like it attempts to preserve both the screen position of
> point and the entry on which point is located.  So perhaps this is a
> "feature".  Try clicking on the header when the current entry is not
> the top-most to see what it's trying to do.

Yes, this is a misfeature.

Please test the attached patch and see if it works better.

[0001-Don-t-preserve-window-line-in-tabulated-list-print.patch (text/x-diff, attachment)]

Message #16 received at 42747 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Jen-Chieh Shen <jcs090218 <at> gmail.com>, 42747 <at> debbugs.gnu.org
Subject: Re: bug#42747: 27.0.91; tabulated-list sort column scrolls window.
Date: Fri, 9 Apr 2021 11:26:25 -0500

tags 42747 fixed
close 42747 28.1
thanks

Stefan Kangas <stefan <at> marxist.se> writes:

>>> While using mouse click on tabulated list's column header, the window
>>> scroll to the bottom. Is this the normal action?
>>
>> It looks like it attempts to preserve both the screen position of
>> point and the entry on which point is located.  So perhaps this is a
>> "feature".  Try clicking on the header when the current entry is not
>> the top-most to see what it's trying to do.
>
> Yes, this is a misfeature.
>
> Please test the attached patch and see if it works better.

No comments within 6 months, now pushed to master.

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