GNU bug report logs - #42539
28.0.50 font face in mode line problem ?

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

From: Fabrice Popineau <fabrice.popineau <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50 font face in mode line problem ?
Date: Sat, 25 Jul 2020 21:21:36 +0200

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

Hi,

I was trying elegant-emacs from:
https://github.com/rougier/elegant-emacs
and I hit a problem with displaying the ☰ character in the mode line.
With elegant-emacs, it is simply replaced with its code (2630 hex)
The code involved is:

><------------------------------------------------------------------------------------><
(set-face-font 'default "Roboto Mono Light 14")

(set-fontset-font "fontset-default"  '(#x2600 . #x26ff) "Fira Code 16")

(defun mode-line-render (left right)
  (let* ((available-width (- (window-width) (length left) )))
    (format (format "%%s %%%ds" available-width) left right)))

(setq-default mode-line-format
     '((:eval
        (mode-line-render
(format-mode-line
 (list
  (propertize "☰" 'face `(:inherit mode-line-buffer-id)
                       'help-echo "Mode(s) menu"
                       'mouse-face 'mode-line-highlight
                       'local-map   mode-line-major-mode-keymap)
           " %b "
           (if (and buffer-file-name (buffer-modified-p))
               (propertize "(modified)" 'face `(:inherit face-faded)))))
(format-mode-line
          (propertize "%4l:%2c  " 'face `(:inherit face-faded)))))))
><------------------------------------------------------------------------------------><
When evalutating this code from `emacs -Q', the intended character is never
displayed (I assume that it is because it is not looked in the Fira Code
font)

So I tried the following with `emacs -Q' :

(set-face-font 'default "Roboto Mono Light 14")
(set-fontset-font "fontset-default"  '(#x2600 . #x26ff) "Fira Code 16")
(setq-default mode-line-format '("☰ %b"))

and the ☰ is displayed in the mode line, but not in the mode line of a
second window if I split the window in 2 windows.

Any help welcome here.

Best regards,

Fabrice



In GNU Emacs 28.0.50 (build 3, x86_64-w64-mingw32)
 of 2020-07-25 built on CIBOLA
Repository revision: ea3e1ed03719bf31bd72edfdc66c5c10e6634202
Repository branch: windows
Windowing system distributor 'Microsoft Corp.', version 10.0.19042
System Description: Microsoft Windows 10 Education (v10.0.2009.19042.421)

Configured using:
 'configure --prefix=/c/Local/Emacs --without-imagemagick'

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

Important settings:
  value of $LANG: fr_FR.UTF-8
  locale-coding-system: cp1252

Major mode: ELisp/d

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-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
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
rfc822 mml easymenu mml-sec password-cache epa derived epg epg-config
gnus-util rmail rmail-loaddefs text-property-search time-date subr-x seq
byte-opt gv bytecomp byte-compile cconv mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs cl-lib
sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
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 dbusbind w32 lcms2 multi-tty
make-network-process emacs)

Memory information:
((conses 16 242474 25276)
 (symbols 48 6473 1)
 (strings 32 17250 1474)
 (string-bytes 1 526893)
 (vectors 16 34742)
 (vector-slots 8 635323 22588)
 (floats 8 27 293)
 (intervals 56 350 15)
 (buffers 992 13))

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

Message #8 received at 42539 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Fabrice Popineau <fabrice.popineau <at> gmail.com>
Cc: 42539 <at> debbugs.gnu.org
Subject: Re: bug#42539: 28.0.50 font face in mode line problem ?
Date: Sun, 26 Jul 2020 18:31:03 +0300

> From: Fabrice Popineau <fabrice.popineau <at> gmail.com>
> Date: Sat, 25 Jul 2020 21:21:36 +0200
> 
> ><------------------------------------------------------------------------------------><
> (set-face-font 'default "Roboto Mono Light 14")
> 
> (set-fontset-font "fontset-default"  '(#x2600 . #x26ff) "Fira Code 16")
> 
> (defun mode-line-render (left right)
>   (let* ((available-width (- (window-width) (length left) )))
>     (format (format "%%s %%%ds" available-width) left right)))
> 
> (setq-default mode-line-format
>      '((:eval
>         (mode-line-render
> (format-mode-line
>  (list
>   (propertize "☰" 'face `(:inherit mode-line-buffer-id)
>                        'help-echo "Mode(s) menu"
>                        'mouse-face 'mode-line-highlight
>                        'local-map   mode-line-major-mode-keymap)
>            " %b "
>            (if (and buffer-file-name (buffer-modified-p))
>                (propertize "(modified)" 'face `(:inherit face-faded)))))
> (format-mode-line
>           (propertize "%4l:%2c  " 'face `(:inherit face-faded)))))))
> ><------------------------------------------------------------------------------------><
> When evalutating this code from `emacs -Q', the intended character is never displayed (I assume that it is
> because it is not looked in the Fira Code font)

Does it help to give the nil value to use-default-font-for-symbols?

Message #11 received at 42539 <at> debbugs.gnu.org (full text, mbox):

From: Fabrice Popineau <fabrice.popineau <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 42539 <at> debbugs.gnu.org
Subject: Re: bug#42539: 28.0.50 font face in mode line problem ?
Date: Sun, 26 Jul 2020 19:58:00 +0200

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

Le dim. 26 juil. 2020 à 17:31, Eli Zaretskii <eliz <at> gnu.org> a écrit :

>
> Does it help to give the nil value to use-default-font-for-symbols?
>

Hi Eli,

Unfortunately, it does not change the behaviour.

Fabrice

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

Message #14 received at 42539 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Fabrice Popineau <fabrice.popineau <at> gmail.com>
Cc: 42539 <at> debbugs.gnu.org
Subject: Re: bug#42539: 28.0.50 font face in mode line problem ?
Date: Sun, 26 Jul 2020 21:57:36 +0300

> From: Fabrice Popineau <fabrice.popineau <at> gmail.com>
> Date: Sun, 26 Jul 2020 19:58:00 +0200
> Cc: 42539 <at> debbugs.gnu.org
> 
>  Does it help to give the nil value to use-default-font-for-symbols?
> 
> Unfortunately, it does not change the behaviour. 

You mean, it doesn't cause Emacs to obey set-fontset-font setting?  If
so, I don't know what's wrong; most probably there's something in this
complicated setup you didn't show, or maybe something that you did
show has some strange effect that I cannot spot.

In general, the character you tried to display belongs to the symbol
block, and Emacs by default uses the default face's font to display
it.  Setting use-default-font-for-symbols to nil disables that, and
Emacs should obey set-fontset-font.  That's all I know.

Message #17 received at 42539 <at> debbugs.gnu.org (full text, mbox):

From: Fabrice Popineau <fabrice.popineau <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 42539 <at> debbugs.gnu.org
Subject: Re: bug#42539: 28.0.50 font face in mode line problem ?
Date: Sun, 26 Jul 2020 21:34:54 +0200

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

Ok, I think I was fooled by something.

Trying to run `emacs -q -l test1.el' with test1.el:
------------------------------------------------------------
(setq use-default-font-for-symbols nil)
(set-face-font 'default "Roboto Mono Light 14")
(set-fontset-font "fontset-default"  '(#x2600 . #x26ff) "Fira Code 16")
(setq-default mode-line-format '("☰ %b"))
(split-window-vertically)
------------------------------------------------------------

I got the following screen:
[image: emacs-test1.png]
But it seems that it is not the same font that is used for both modelines.
I would have expected that it was the same.
The font used is switched if I switch windows (C-x o)
So probably I miss something here and there is no bug at all.

Fabrice



Le dim. 26 juil. 2020 à 20:57, Eli Zaretskii <eliz <at> gnu.org> a écrit :

> > From: Fabrice Popineau <fabrice.popineau <at> gmail.com>
> > Date: Sun, 26 Jul 2020 19:58:00 +0200
> > Cc: 42539 <at> debbugs.gnu.org
> >
> >  Does it help to give the nil value to use-default-font-for-symbols?
> >
> > Unfortunately, it does not change the behaviour.
>
> You mean, it doesn't cause Emacs to obey set-fontset-font setting?  If
> so, I don't know what's wrong; most probably there's something in this
> complicated setup you didn't show, or maybe something that you did
> show has some strange effect that I cannot spot.
>
> In general, the character you tried to display belongs to the symbol
> block, and Emacs by default uses the default face's font to display
> it.  Setting use-default-font-for-symbols to nil disables that, and
> Emacs should obey set-fontset-font.  That's all I know.
>

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

[emacs-test1.png (image/png, inline)]

Message #20 received at 42539 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Fabrice Popineau <fabrice.popineau <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 42539 <at> debbugs.gnu.org
Subject: Re: bug#42539: 28.0.50 font face in mode line problem ?
Date: Mon, 30 Aug 2021 00:12:16 +0200

Fabrice Popineau <fabrice.popineau <at> gmail.com> writes:

> So probably I miss something here and there is no bug at all. 

OK; I'm closing this bug report, then.  If there's something more to be
done here, please respond to the debbugs address and we'll reopen.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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