* bug#71323: 28.2; global-display-line-numbers-mode in org file do strange identation when headers are folded
@ 2024-06-02 9:10 Mikhail Efremov
2024-06-02 12:20 ` Eli Zaretskii
0 siblings, 1 reply; 4+ messages in thread
From: Mikhail Efremov @ 2024-06-02 9:10 UTC (permalink / raw)
To: 71323
Hi, Emacs devs,
* Description
There is an issue with not so large org files with
global-display-line-numbers-mode is toggled on. You may reproduce it:
1. ~emacs -Q~
2. open an org file with 1000+ lines of different headers' layers
unfolded.
3. ~M-x global-display-line-numbers-mode~
4. Check that unfolded headers on lines 999-1000 are indented fine:
- numbers are right-aligned;
- same-level headers are indented equally with the same indent width
relative to line numbers.
5. Fold all headers with the property: on the screen of the buffer
there
are single-, two- and three-digits lines' numbers are presented.
Then, you should see the picture like this:
1 * header1
24 * header2
132 * header3
1019 * header4
The same behavior is on ~emacs -nw -Q~.
The issue is valid also on built from sources emacs: GNU Emacs 29.3
(build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.38, cairo version
1.16.0) of 2024-04-08
* Motivation
This behavior on the one hand constantly shifts
left-to-right-and-vice-versa the buffer's text and also confuses with
headers' identation level.
* Definition of Done
After the steps of reproducing the desired view is:
1 * header1
24 * header2
132 * header3
1019 * header4
* Details of implementation
I guess there is a problem with line's mode algorithm, from my side it
looks like it taking into account only 1 digit difference for an
identation, then if there is 2 or more digits differnece, then all
after
the first-digit diff identations are broken.
The posible solution is to count total lines number and reserving
line's
numbers side width from total lines count number's width.
Thank you a lot!
Sincerely, Mikhail Efremov.
---
In GNU Emacs 28.2 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.37,
cairo version 1.16.0)
of 2023-05-14, modified by Debian built on x86-ubc-01
Windowing system distributor 'The X.Org Foundation', version
11.0.12201009
System Description: Debian GNU/Linux 12 (bookworm)
Configured using:
'configure --build x86_64-linux-gnu --prefix=/usr
--sharedstatedir=/var/lib --libexecdir=/usr/libexec
--localstatedir=/var/lib --infodir=/usr/share/info
--mandir=/usr/share/man --with-libsystemd --with-pop=yes
--enable-locallisppath=/etc/emacs:/usr/local/share/emacs/28.2/site-
lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.2/site-
lisp:/usr/share/emacs/site-lisp
--with-sound=alsa --without-gconf --with-mailutils
--with-native-compilation --build x86_64-linux-gnu --prefix=/usr
--sharedstatedir=/var/lib --libexecdir=/usr/libexec
--localstatedir=/var/lib --infodir=/usr/share/info
--mandir=/usr/share/man --with-libsystemd --with-pop=yes
--enable-locallisppath=/etc/emacs:/usr/local/share/emacs/28.2/site-
lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.2/site-
lisp:/usr/share/emacs/site-lisp
--with-sound=alsa --without-gconf --with-mailutils
--with-native-compilation --with-cairo --with-x=yes
--with-x-toolkit=gtk3 --with-toolkit-scroll-bars 'CFLAGS=-g -O2
-ffile-prefix-map=/build/emacs-mPr7Vr/emacs-28.2+1=. -fstack-
protector-strong
-Wformat -Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time
-D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES
NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF
TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM GTK3 ZLIB
Important settings:
value of $LC_MONETARY: en_GB.UTF-8
value of $LC_NUMERIC: en_GB.UTF-8
value of $LC_TIME: en_GB.UTF-8
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: @im=ibus
locale-coding-system: utf-8-unix
Major mode: Org
Minor modes in effect:
text-scale-mode: t
org-indent-mode: t
shell-dirtrack-mode: t
recentf-mode: t
global-display-line-numbers-mode: t
display-line-numbers-mode: t
override-global-mode: t
tooltip-mode: t
global-eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-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
column-number-mode: t
line-number-mode: t
auto-fill-function: org-auto-fill-function
visual-line-mode: t
transient-mark-mode: t
Load-path shadows:
/home/jakutenshi/.config/emacs/elpa/emacsql-sqlite-3.1.1/emacsql-sqlite
hides /home/jakutenshi/.config/emacs/elpa/emacsql-3.1.1/emacsql-sqlite
/home/jakutenshi/.config/emacs/elpa/use-package-2.4.5/bind-key hides
/home/jakutenshi/.config/emacs/elpa/bind-key-2.4.1/bind-key
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~/bin/git_src/org-mode/lisp/ob hides /usr/share/emacs/28.2/lisp/org/ob
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/usr/share/emacs/28.2/lisp/org/org-compat
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/usr/share/emacs/28.2/lisp/org/oc-biblatex
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/usr/share/emacs/28.2/lisp/org/org-clock
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/usr/share/emacs/28.2/lisp/org/ox-beamer
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/usr/share/emacs/28.2/lisp/org/oc-basic
~/bin/git_src/org-mode/lisp/ol-mhe hides
/usr/share/emacs/28.2/lisp/org/ol-mhe
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Features:
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rng-dt rng-util rng-pttrn nxml-parse nxml-ns nxml-enc xmltok nxml-util
ox-latex ox-icalendar org-agenda ox-html table ox-ascii ox-publish ox
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refile
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cc-engine cc-vars cc-defs ob-python python tramp-sh tramp tramp-
loaddefs
trampver tramp-integration files-x tramp-compat shell ls-lisp org ob
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smie
executable ob-comint org-pcomplete pcomplete org-list org-footnote
org-faces org-entities noutline outline ob-emacs-lisp ob-core ob-eval
org-cycle org-table ol org-fold org-fold-core org-keys oc
org-element-ast inline org-loaddefs find-func cal-menu calendar
cal-loaddefs gnus-sum shr kinsoku svg dom gnus-group gnus-undo
gnus-start gnus-dbus dbus xml gnus-cloud nnimap nnmail mail-source utf7
netrc nnoo parse-time iso8601 gnus-spec gnus-int gnus-range message rmc
puny dired dired-loaddefs rfc822 mml mml-sec epa derived epg rfc6068
epg-config mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev
gmm-utils mailheader gnus-win gnus nnheader gnus-util rmail
rmail-loaddefs rfc2047 rfc2045 ietf-drums time-date mail-utils mm-util
mail-prsvr org-version org-compat org-macs rx pcase format-spec
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native-compile emacs)
Memory information:
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(symbols 48 44625 1)
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^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#71323: 28.2; global-display-line-numbers-mode in org file do strange identation when headers are folded
2024-06-02 9:10 bug#71323: 28.2; global-display-line-numbers-mode in org file do strange identation when headers are folded Mikhail Efremov
@ 2024-06-02 12:20 ` Eli Zaretskii
[not found] ` <588dc873eff0f9fc9ecbd78766288ed213b3089a.camel@gmail.com>
0 siblings, 1 reply; 4+ messages in thread
From: Eli Zaretskii @ 2024-06-02 12:20 UTC (permalink / raw)
To: Mikhail Efremov; +Cc: 71323
tags 71323 notabug
thanks
> From: Mikhail Efremov <jakutenshi@gmail.com>
> Date: Sun, 02 Jun 2024 15:10:46 +0600
>
> * Description
>
> There is an issue with not so large org files with
> global-display-line-numbers-mode is toggled on. You may reproduce it:
>
> 1. ~emacs -Q~
> 2. open an org file with 1000+ lines of different headers' layers
> unfolded.
> 3. ~M-x global-display-line-numbers-mode~
> 4. Check that unfolded headers on lines 999-1000 are indented fine:
> - numbers are right-aligned;
> - same-level headers are indented equally with the same indent width
> relative to line numbers.
> 5. Fold all headers with the property: on the screen of the buffer
> there
> are single-, two- and three-digits lines' numbers are presented.
>
> Then, you should see the picture like this:
>
> 1 * header1
> 24 * header2
> 132 * header3
> 1019 * header4
>
> The same behavior is on ~emacs -nw -Q~.
>
> The issue is valid also on built from sources emacs: GNU Emacs 29.3
> (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.38, cairo version
> 1.16.0) of 2024-04-08
>
> * Motivation
>
> This behavior on the one hand constantly shifts
> left-to-right-and-vice-versa the buffer's text and also confuses with
> headers' identation level.
>
> * Definition of Done
>
> After the steps of reproducing the desired view is:
> 1 * header1
> 24 * header2
> 132 * header3
> 1019 * header4
You should be able to have this if you customize
display-line-numbers-width-start to a non-nil value. Consider also
customizing display-line-numbers-grow-only to a non-nil value.
> * Details of implementation
>
> I guess there is a problem with line's mode algorithm, from my side
> it looks like it taking into account only 1 digit difference for an
> identation, then if there is 2 or more digits differnece, then all
> after the first-digit diff identations are broken.
No, that's not what happens. The problem is that the required width
of the line-number display needs to be calculated when the window is
about to be shown on display or redisplayed due to scrolling etc. At
that time, the display-engine code which does this calculation cannot
know up front how many lines are hidden by 'invisible' text properties
and overlays, something that Org uses a lot, and therefore cannot
correctly estimate the largest line number to be shown. So its
estimation of the maximum number of the line in the window are
incorrect in those cases.
Customizing display-line-numbers-width-start fixes that problem, for a
price of a slightly slower initial display of the window. It could
still fail if you add a lot of lines to the buffer, in which case
toggling display-line-numbers-mode off and on again should fix it.
> The posible solution is to count total lines number and reserving
> line's numbers side width from total lines count number's width.
That's exactly what the above user option does, when non-nil.
There's no bug here.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2024-06-30 6:10 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-06-02 9:10 bug#71323: 28.2; global-display-line-numbers-mode in org file do strange identation when headers are folded Mikhail Efremov
2024-06-02 12:20 ` Eli Zaretskii
[not found] ` <588dc873eff0f9fc9ecbd78766288ed213b3089a.camel@gmail.com>
2024-06-04 14:49 ` Eli Zaretskii
2024-06-30 6:10 ` Stefan Kangas
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