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* bug#56117: 29.0.50; pgtk does not distinguish between <kp-separator> and "."/","
@ 2022-06-20 23:02 Thomas Schneider
  2022-06-21  2:00 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
  0 siblings, 1 reply; 15+ messages in thread
From: Thomas Schneider @ 2022-06-20 23:02 UTC (permalink / raw)
  To: 56117


Dear maintainers,

With “classic” X11 support in Emacs and GTK (probably the others, too),
pressing the keypad separator ("," on, e.g., a german keyboard layout,
"." on most others), gave emacs the key <kp-separator>.  With pgtk, this
is no longer the case.

This is a feature regression, because it no longer allows, for example,
remapping <kp-separator> to "." for `calc-digit-map`, so I can’t enter
decimal numbers using only the keypad.  As a workaround, I currently
have (define-key calc-digit-map (kbd ",") "."), but if I wanted to use
the vector feature of calc, I’d no longer have the comma.

Steps to reproduce:
> fictive-window-manager-control set-keyboard-map de
> # maybe some locale stuff, who knows
> ./configure --with-pgtk && make
> src/emacs -Q
> C-h k <kp-separator>

Expected output:
> , (translated from <kp-separator>) runs the command […]

Actual output:
> , runs the command […]

I traced this a bit.  In pgtkterm.c:key_press_event(),
pgtkim.c:pgtk_im_filter_keypress() is called, which essentially defers
to gtk_im_context_filter_keypress() from GTK.  From its
documentation[0]:

> Allow an input method to internally handle key press and release
> events.  If this function returns `TRUE`, then no further processing
> should be done for this key event.

Well, okay.  Unfortunately, I barely know enough GTK to get the gist of
what is happening here, by far not enough to fix this issue.

[0]: https://docs.gtk.org/gtk3/method.IMContext.filter_keypress.html


In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.34, cairo version 1.16.0)
 of 2022-06-11 built on localhost
Repository revision: 98365c7b1e1e1d3d5f7185f2d4a2baa1c65b4540
Repository branch: master
System Description: Gentoo Linux

Configured using:
 'configure --prefix=/usr --build=x86_64-pc-linux-gnu
 --host=x86_64-pc-linux-gnu --mandir=/usr/share/man
 --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc
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 --with-rsvg --with-tiff --with-webp --with-imagemagick
 --with-dumping=pdumper 'CFLAGS=-O2 -pipe -march=native -g'
 'LDFLAGS=-Wl,-O1 -Wl,--as-needed''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ
IMAGEMAGICK JPEG JSON LCMS2 LIBOTF LIBSYSTEMD LIBXML2 MODULES
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Important settings:
  value of $LC_MESSAGES: en_GB.UTF-8
  value of $LC_TIME: en_DK.UTF-8
  value of $LANG: de_DE.UTF-8
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Major mode: C/*l

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Load-path shadows:
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/usr/share/emacs/site-lisp/cmake-mode hides /usr/share/emacs/site-lisp/cmake/cmake-mode
/usr/share/emacs/site-lisp/desktop-entry-mode hides /usr/share/emacs/site-lisp/desktop-file-utils/desktop-entry-mode
/home/qsx/.emacs.d/elpa/transient-20220527.2213/transient hides /usr/share/emacs/29.0.50/lisp/transient
/usr/share/emacs/site-lisp/mercury/gud hides /usr/share/emacs/29.0.50/lisp/progmodes/gud
/usr/share/emacs/site-lisp/mercurial/mercurial hides /home/qsx/.emacs.d/elisp/mercurial

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^ permalink raw reply	[flat|nested] 15+ messages in thread

end of thread, other threads:[~2022-06-24 16:43 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-06-20 23:02 bug#56117: 29.0.50; pgtk does not distinguish between <kp-separator> and "."/"," Thomas Schneider
2022-06-21  2:00 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-22 20:44   ` Stefan Kangas
2022-06-23  0:44     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-23  7:51       ` Lars Ingebrigtsen
2022-06-23  8:16         ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-23  8:28           ` Eli Zaretskii
2022-06-23  8:40             ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-23  9:49               ` Eli Zaretskii
2022-06-23 10:02                 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-23 10:19                   ` Eli Zaretskii
2022-06-23 11:37                     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-06-23 13:00                       ` Eli Zaretskii
2022-06-24  5:58                   ` Kévin Le Gouguec
2022-06-24 16:43                     ` Kévin Le Gouguec

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