GNU bug report logs - #59271
29.0.50; Wrong tab-bar height at startup

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

From: Gabriel <gabriel376 <at> hotmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.50; Wrong tab-bar height at startup
Date: Mon, 14 Nov 2022 02:48:44 -0300

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

Description:
The tab-bar height is wrong (bigger than expected) at startup. It only
happens when tab-bar is enabled in init.el. After emacs is loaded, the
tab-bar height can be "fixed" by toggling the tab-bar.

A 'git bisect' indicates that the commit
52d4c98cec0901ef5cc1c55d5b3b33ac9d9c519f introduced this bug.
 
Steps:
1) Use the following in init.el:
(tab-bar-mode 1)
2) Run emacs
   - tab-bar is shown, notice the height
3) M-x tab-bar-mode RET (hide tab-bar)
4) M-x tab-bar-mode RET (show tab-bar)
   - tab-bar height is smaller than it was at startup

The video below demonstrates the issue:

[bug.mp4 (video/mp4, attachment)]

[Message part 3 (text/plain, inline)]

---
Gabriel


In GNU Emacs 29.0.50 (build 18, x86_64-pc-linux-gnu, GTK+ Version
 3.24.33, cairo version 1.16.0) of 2022-11-14 built on 4BQPCJ3
Repository revision: c0474ca21dd76cafbd1a04fd32d4a0bd42de6351
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101003
System Description: Ubuntu 22.04.1 LTS

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB

Important settings:
  value of $LC_CTYPE: pt_BR.UTF-8
  value of $LC_MONETARY: pt_BR.UTF-8
  value of $LC_NUMERIC: pt_BR.UTF-8
  value of $LC_TIME: pt_BR.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  display-fill-column-indicator-mode: t
  display-line-numbers-mode: t
  whitespace-mode: t
  global-subword-mode: t
  subword-mode: t
  recentf-mode: t
  savehist-mode: t
  icomplete-vertical-mode: t
  icomplete-mode: t
  minibuffer-depth-indicate-mode: t
  delete-selection-mode: t
  display-time-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tab-bar-history-mode: t
  tab-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  window-divider-mode: t
  line-number-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr gnus-msg gnus-art mm-uu mml2015 mm-view mml-smime
smime gnutls dig gnus-sum shr pixel-fill kinsoku url-file svg dom
gnus-group gnus-undo gnus-start gnus-dbus dbus xml gnus-cloud nnimap
nnmail mail-source utf7 nnoo parse-time iso8601 gnus-spec gnus-int
gnus-range gnus-win emacsbug message yank-media puny rfc822 mml mml-sec
epa derived epg rfc6068 epg-config mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader modus-operandi-theme
cursor-sensor display-fill-column-indicator display-line-numbers
whitespace diary-lib diary-loaddefs modus-vivendi-theme cal-julian solar
cal-dst cal-menu calendar cal-loaddefs gnus nnheader gnus-util
text-property-search time-date range sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils cl-extra help-mode cap-words superword
subword recentf tree-widget dired dired-loaddefs disp-table em-hist
em-pred esh-mode ring eshell esh-cmd generator esh-ext esh-opt esh-proc
esh-io esh-arg esh-module esh-groups esh-util files-x savehist icomplete
mb-depth delsel modus-themes time doom-modeline-autoloads try-autoloads
all-the-icons-completion-autoloads consult-autoloads
all-the-icons-ibuffer-autoloads json-mode-autoloads rx
all-the-icons-dired-autoloads shrink-path-autoloads
dockerfile-mode-autoloads json-snatcher-autoloads corfu-autoloads
orderless-autoloads inf-ruby-autoloads compat-autoloads
markdown-mode-autoloads f-autoloads go-mode-autoloads
docker-compose-mode-autoloads yaml-mode-autoloads vertico-autoloads
doom-themes-autoloads treemacs-all-the-icons-autoloads
treemacs-autoloads cfrs-autoloads posframe-autoloads ht-autoloads
hydra-autoloads lv-autoloads pfuture-autoloads ace-window-autoloads
avy-autoloads s-autoloads info dash-autoloads all-the-icons-autoloads
marginalia-autoloads finder-inf package browse-url url url-proxy
url-privacy url-expand url-methods url-history url-cookie
generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse
auth-source cl-seq eieio eieio-core cl-macs password-cache json subr-x
map byte-opt gv bytecomp byte-compile url-vars pcase cus-edit pp
cus-load icons wid-edit cl-loaddefs cl-lib rmc iso-transl tooltip cconv
eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type
elisp-mode mwheel term/x-win x-win term/common-win x-dnd 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 nadvice seq simple cl-generic
indonesian philippine 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 abbrev obarray oclosure cl-preloaded button loaddefs
theme-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 lcms2
dynamic-setting system-font-setting font-render-setting cairo
move-toolbar gtk x-toolkit xinput2 x multi-tty make-network-process
emacs)

Memory information:
((conses 16 422982 472115)
 (symbols 48 25069 46)
 (strings 32 109738 32800)
 (string-bytes 1 3047105)
 (vectors 16 35854)
 (vector-slots 8 461466 271265)
 (floats 8 566 1258)
 (intervals 56 537 140)
 (buffers 984 11))

Message #8 received at 59271 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Gabriel <gabriel376 <at> hotmail.com>
Cc: 59271 <at> debbugs.gnu.org
Subject: Re: bug#59271: 29.0.50; Wrong tab-bar height at startup
Date: Tue, 15 Nov 2022 08:49:16 +0800

Gabriel <gabriel376 <at> hotmail.com> writes:

> Description:
> The tab-bar height is wrong (bigger than expected) at startup. It only
> happens when tab-bar is enabled in init.el. After emacs is loaded, the
> tab-bar height can be "fixed" by toggling the tab-bar.
>
> A 'git bisect' indicates that the commit
> 52d4c98cec0901ef5cc1c55d5b3b33ac9d9c519f introduced this bug.
>  
> Steps:
> 1) Use the following in init.el:
> (tab-bar-mode 1)
> 2) Run emacs
>    - tab-bar is shown, notice the height
> 3) M-x tab-bar-mode RET (hide tab-bar)
> 4) M-x tab-bar-mode RET (show tab-bar)
>    - tab-bar height is smaller than it was at startup
>
> The video below demonstrates the issue:

What is printed when you run:

  xrdb -query

on your system?

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

From: Gabriel <gabriel376 <at> hotmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#59271: 29.0.50; Wrong tab-bar height at startup
Date: Mon, 14 Nov 2022 22:26:03 -0300

Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text
editors" <bug-gnu-emacs <at> gnu.org> writes:
>
> What is printed when you run:
>
>   xrdb -query
>
> on your system?

Xft.dpi:        96
Xft.antialias:  1
Xft.hinting:    1
Xft.hintstyle:  hintslight
Xft.rgba:       rgb
Xcursor.size:   24
Xcursor.theme:  breeze_cursors

Message #14 received at 59271 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Gabriel <gabriel376 <at> hotmail.com>
Cc: 59271 <at> debbugs.gnu.org
Subject: Re: bug#59271: 29.0.50; Wrong tab-bar height at startup
Date: Tue, 15 Nov 2022 13:02:26 +0800

Gabriel <gabriel376 <at> hotmail.com> writes:

> Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text
> editors" <bug-gnu-emacs <at> gnu.org> writes:
>>
>> What is printed when you run:
>>
>>   xrdb -query
>>
>> on your system?
>
> Xft.dpi:        96
> Xft.antialias:  1
> Xft.hinting:    1
> Xft.hintstyle:  hintslight
> Xft.rgba:       rgb
> Xcursor.size:   24
> Xcursor.theme:  breeze_cursors

What happens if you build Emacs --without-cairo?

Message #17 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Gabriel <gabriel376 <at> hotmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#59271: 29.0.50; Wrong tab-bar height at startup
Date: Tue, 15 Nov 2022 02:44:33 -0300

Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text
editors" <bug-gnu-emacs <at> gnu.org> writes:

> What happens if you build Emacs --without-cairo?

I just built emacs from master branch using '--without-cairo' and I
confirm it works as expected: the tab-bar is initialized with the
correct height.

I am running Ubuntu 22.04 with these related cairo packages installed in
my system:

$ apt list --installed | grep cairo
libcairo-gobject-perl/jammy,now 1.005-3build1 amd64 [installed,automatic]
libcairo-gobject2/jammy,now 1.16.0-5ubuntu2 amd64 [installed,automatic]
libcairo-perl/jammy,now 1.109-2build1 amd64 [installed,automatic]
libcairo-script-interpreter2/jammy,now 1.16.0-5ubuntu2 amd64 [installed,automatic]
libcairo2-dev/jammy,now 1.16.0-5ubuntu2 amd64 [installed]
libcairo2/jammy,now 1.16.0-5ubuntu2 amd64 [installed,automatic]
libcairomm-1.0-1v5/jammy,now 1.12.2-4build3 amd64 [installed,automatic]
libdecor-0-plugin-1-cairo/jammy,now 0.1.0-3build1 amd64 [installed,automatic]
libpangocairo-1.0-0/jammy,now 1.50.6+ds-2 amd64 [installed,automatic]
python3-cairo/jammy,now 1.20.1-3build1 amd64 [installed,automatic]
python3-gi-cairo/jammy-updates,now 3.42.1-0ubuntu1 amd64 [installed,automatic]

---
Gabriel

Message #20 received at 59271 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Gabriel <gabriel376 <at> hotmail.com>
Cc: 59271 <at> debbugs.gnu.org
Subject: Re: bug#59271: 29.0.50; Wrong tab-bar height at startup
Date: Tue, 15 Nov 2022 19:48:17 +0800

forcemerge 58912 59283 59271
thanks

Gabriel <gabriel376 <at> hotmail.com> writes:

> Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text
> editors" <bug-gnu-emacs <at> gnu.org> writes:
>
>> What happens if you build Emacs --without-cairo?
>
> I just built emacs from master branch using '--without-cairo' and I
> confirm it works as expected: the tab-bar is initialized with the
> correct height.
>
> I am running Ubuntu 22.04 with these related cairo packages installed in
> my system:
>
> $ apt list --installed | grep cairo
> libcairo-gobject-perl/jammy,now 1.005-3build1 amd64 [installed,automatic]
> libcairo-gobject2/jammy,now 1.16.0-5ubuntu2 amd64 [installed,automatic]
> libcairo-perl/jammy,now 1.109-2build1 amd64 [installed,automatic]
> libcairo-script-interpreter2/jammy,now 1.16.0-5ubuntu2 amd64 [installed,automatic]
> libcairo2-dev/jammy,now 1.16.0-5ubuntu2 amd64 [installed]
> libcairo2/jammy,now 1.16.0-5ubuntu2 amd64 [installed,automatic]
> libcairomm-1.0-1v5/jammy,now 1.12.2-4build3 amd64 [installed,automatic]
> libdecor-0-plugin-1-cairo/jammy,now 0.1.0-3build1 amd64 [installed,automatic]
> libpangocairo-1.0-0/jammy,now 1.50.6+ds-2 amd64 [installed,automatic]
> python3-cairo/jammy,now 1.20.1-3build1 amd64 [installed,automatic]
> python3-gi-cairo/jammy-updates,now 3.42.1-0ubuntu1 amd64 [installed,automatic]
>
> ---
> Gabriel

Thanks.  This should be fixed on master shortly, please test.

I've also merged this bug with several others with the same cause.

Message #25 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Gabriel <gabriel376 <at> hotmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#59271: 29.0.50; Wrong tab-bar height at startup
Date: Tue, 15 Nov 2022 19:29:55 -0300

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

Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text
editors" <bug-gnu-emacs <at> gnu.org> writes:
>
> Thanks.  This should be fixed on master shortly, please test.
>
> I've also merged this bug with several others with the same cause.

Hi Po Lu,

Thank you for the prompt fix.

The following test works as expected, i.e., the tab-bar height is
correct at startup:
$ cat .config/emacs/init.el
(tab-bar-mode 1)

However, if a different face is set (either in in early-init.el, init.el
or after Emacs is loaded), the tab-bar height is redisplayed with an
incorrect height. I tried many different approaches and combinations to
enable tab-bar + set a different face, and in all cases the issue could
be reproduced.

See the attached video for a simple demonstration of this new issue.

[bug.mp4 (video/mp4, attachment)]

[Message part 3 (text/plain, inline)]

---
Gabriel

Message #28 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Gabriel <gabriel376 <at> hotmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#59271: 29.0.50; Wrong tab-bar height at startup
Date: Wed, 16 Nov 2022 22:29:25 -0300

This bug seems to be fixed by commit
690f7ac86ad9a9d714b1107d05c5e856a43bb18d in master branch.

I did a couple of tests and could not longer reproduce the original
issue.

I am OK to close this bug report, but would be a good idea to receive a
confirmation from Po Lu.

---
Gabriel

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