bug#74134: 29.4; emacs-pgtk and emacs-gtk-x11 does not react the same way to c-s-u

bug#74134: 29.4; emacs-pgtk and emacs-gtk-x11 does not react the same way to c-s-u

[joakim]

I would like to be able to enter unicode chars the same way you do in
other applications under wayland or x11, using control shift u + 4 hex
chars ret.

In emacs-pgtk it seems like c-s-u tries to do this, because a little U
with underscore appears, same as in firefox, but then you cant type the
hex code.

In emacs-gtk-x11, c-s-u works as advertized in the emacs manual at
least, it runs universal-argument.

I would prefer it if c-s-u could be configuered to enter unicode same as
in other applications, if possible.

Regards
/Joakim


In GNU Emacs 29.4 (build 1, x86_64-redhat-linux-gnu, GTK+ Version
 3.24.43, cairo version 1.18.0) of 2024-10-10 built on
 4825182c94fc4195b65c80c30f523a16
System Description: Fedora Linux 41 (Workstation Edition)

Configured using:
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-- 
Joakim Verona
joakim@verona.se

bug#74134: 29.4; emacs-pgtk and emacs-gtk-x11 does not react the same way to c-s-u

[Eli Zaretskii]

> From: joakim@verona.se
> Date: Thu, 31 Oct 2024 13:19:40 +0100
> 
> 
> I would like to be able to enter unicode chars the same way you do in
> other applications under wayland or x11, using control shift u + 4 hex
> chars ret.
> 
> In emacs-pgtk it seems like c-s-u tries to do this, because a little U
> with underscore appears, same as in firefox, but then you cant type the
> hex code.
> 
> In emacs-gtk-x11, c-s-u works as advertized in the emacs manual at
> least, it runs universal-argument.
> 
> I would prefer it if c-s-u could be configuered to enter unicode same as
> in other applications, if possible.

Isn't this the following known issue from PROBLEMS?

  ** Certain keys such as 'C-S-u' are not reported correctly.

  Some keys with modifiers such as Shift and Control might not be
  reported correctly due to incorrectly written GTK input method
  modules.  This is known to happen to 'C-S-u' and 'C->', which are
  misreported as 'C-u' and '>'.

  To disable the use of GTK input methods, evaluate:

    (pgtk-use-im-context nil)

  This will also cause system input methods and features such as the
  Compose key to stop working.

  On X Windows, users should not use Emacs configured with PGTK, since
  this and many other problems do not exist on the regular X builds.

bug#74134: 29.4; emacs-pgtk and emacs-gtk-x11 does not react the same way to c-s-u

[joakim]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: joakim@verona.se
>> Date: Thu, 31 Oct 2024 13:19:40 +0100
>> 
>> 
>> I would like to be able to enter unicode chars the same way you do in
>> other applications under wayland or x11, using control shift u + 4 hex
>> chars ret.
>> 
>> In emacs-pgtk it seems like c-s-u tries to do this, because a little U
>> with underscore appears, same as in firefox, but then you cant type the
>> hex code.
>> 
>> In emacs-gtk-x11, c-s-u works as advertized in the emacs manual at
>> least, it runs universal-argument.
>> 
>> I would prefer it if c-s-u could be configuered to enter unicode same as
>> in other applications, if possible.
>
> Isn't this the following known issue from PROBLEMS?
>
>   ** Certain keys such as 'C-S-u' are not reported correctly.
>
>   Some keys with modifiers such as Shift and Control might not be
>   reported correctly due to incorrectly written GTK input method
>   modules.  This is known to happen to 'C-S-u' and 'C->', which are
>   misreported as 'C-u' and '>'.
>
>   To disable the use of GTK input methods, evaluate:
>
>     (pgtk-use-im-context nil)
>
>   This will also cause system input methods and features such as the
>   Compose key to stop working.
>
>   On X Windows, users should not use Emacs configured with PGTK, since
>   this and many other problems do not exist on the regular X builds.

Thanks!

    (pgtk-use-im-context nil)

inhibited the broken gtk input method c-s-u behaviour, and now the code below can be
made to emulate the behaviour in other applications.


;; enable standard linux unicode input
(define-key global-map (kbd "C-S-u") 'read-unicode-char)

(defun read-unicode-char (c1 c2 c3 c4 _trailing_space_ignored)
  "Convert unicode input C1 C2 C3 C4 to the corresponding insert char call."
  (interactive "c\nc\nc\nc\nc")
  (insert-char (string-to-number (format "%c%c%c%c" c1 c2 c3 c4) 16)))

PS
I'm using Sway/Wayland and emacs-pgtk looks better than emacs-gtk-x11
there. Maybe I'll go back to X11 when the novelty of Sway faded.




-- 
Joakim Verona
joakim@verona.se

bug#74134: 29.4; emacs-pgtk and emacs-gtk-x11 does not react the same way to c-s-u

[Eli Zaretskii]

> X-Spam-Status: No, score=-0.8 tagged_above=-999 required=6.2
>  tests=[ALL_TRUSTED=-1, DKIM_INVALID=0.1, DKIM_SIGNED=0.1] autolearn=disabled
> From: joakim@verona.se
> Cc: Po Lu <luangruo@yahoo.com>,  74134@debbugs.gnu.org
> Date: Thu, 31 Oct 2024 20:39:29 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Isn't this the following known issue from PROBLEMS?
> >
> >   ** Certain keys such as 'C-S-u' are not reported correctly.
> >
> >   Some keys with modifiers such as Shift and Control might not be
> >   reported correctly due to incorrectly written GTK input method
> >   modules.  This is known to happen to 'C-S-u' and 'C->', which are
> >   misreported as 'C-u' and '>'.
> >
> >   To disable the use of GTK input methods, evaluate:
> >
> >     (pgtk-use-im-context nil)
> >
> >   This will also cause system input methods and features such as the
> >   Compose key to stop working.
> >
> >   On X Windows, users should not use Emacs configured with PGTK, since
> >   this and many other problems do not exist on the regular X builds.
> 
> Thanks!
> 
>     (pgtk-use-im-context nil)
> 
> inhibited the broken gtk input method c-s-u behaviour, and now the code below can be
> made to emulate the behaviour in other applications.
> 
> 
> ;; enable standard linux unicode input
> (define-key global-map (kbd "C-S-u") 'read-unicode-char)
> 
> (defun read-unicode-char (c1 c2 c3 c4 _trailing_space_ignored)
>   "Convert unicode input C1 C2 C3 C4 to the corresponding insert char call."
>   (interactive "c\nc\nc\nc\nc")
>   (insert-char (string-to-number (format "%c%c%c%c" c1 c2 c3 c4) 16)))
> 
> PS
> I'm using Sway/Wayland and emacs-pgtk looks better than emacs-gtk-x11
> there. Maybe I'll go back to X11 when the novelty of Sway faded.

So can we close this bug now?

bug#74134: 29.4; emacs-pgtk and emacs-gtk-x11 does not react the same way to c-s-u

[joakim]

Eli Zaretskii <eliz@gnu.org> writes:

>> X-Spam-Status: No, score=-0.8 tagged_above=-999 required=6.2
>>  tests=[ALL_TRUSTED=-1, DKIM_INVALID=0.1, DKIM_SIGNED=0.1] autolearn=disabled
>> From: joakim@verona.se
>> Cc: Po Lu <luangruo@yahoo.com>,  74134@debbugs.gnu.org
>> Date: Thu, 31 Oct 2024 20:39:29 +0100
>> 
>> Eli Zaretskii <eliz@gnu.org> writes:
>> 
>> > Isn't this the following known issue from PROBLEMS?
>> >
>> >   ** Certain keys such as 'C-S-u' are not reported correctly.
>> >
>> >   Some keys with modifiers such as Shift and Control might not be
>> >   reported correctly due to incorrectly written GTK input method
>> >   modules.  This is known to happen to 'C-S-u' and 'C->', which are
>> >   misreported as 'C-u' and '>'.
>> >
>> >   To disable the use of GTK input methods, evaluate:
>> >
>> >     (pgtk-use-im-context nil)
>> >
>> >   This will also cause system input methods and features such as the
>> >   Compose key to stop working.
>> >
>> >   On X Windows, users should not use Emacs configured with PGTK, since
>> >   this and many other problems do not exist on the regular X builds.
>> 
>> Thanks!
>> 
>>     (pgtk-use-im-context nil)
>> 
>> inhibited the broken gtk input method c-s-u behaviour, and now the code below can be
>> made to emulate the behaviour in other applications.
>> 
>> 
>> ;; enable standard linux unicode input
>> (define-key global-map (kbd "C-S-u") 'read-unicode-char)
>> 
>> (defun read-unicode-char (c1 c2 c3 c4 _trailing_space_ignored)
>>   "Convert unicode input C1 C2 C3 C4 to the corresponding insert char call."
>>   (interactive "c\nc\nc\nc\nc")
>>   (insert-char (string-to-number (format "%c%c%c%c" c1 c2 c3 c4) 16)))
>> 
>> PS
>> I'm using Sway/Wayland and emacs-pgtk looks better than emacs-gtk-x11
>> there. Maybe I'll go back to X11 when the novelty of Sway faded.
>
> So can we close this bug now?

Yes, thank you.

(I tried to figure out how to close the bug myself, but I failed, sorry)

-- 
Joakim Verona
joakim@verona.se

bug#74134: 29.4; emacs-pgtk and emacs-gtk-x11 does not react the same way to c-s-u

[Eli Zaretskii]

> From: joakim@verona.se
> Cc: luangruo@yahoo.com,  74134@debbugs.gnu.org
> Date: Fri, 01 Nov 2024 08:54:29 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > So can we close this bug now?
> 
> Yes, thank you.

Done.

> (I tried to figure out how to close the bug myself, but I failed, sorry)

You send email to NNN-done@debbugs.gnu.org, where NNN is the bug
number, and that closes the bug.

If you forget this, you can read the file admin/notes/bugtracker in
the Emacs source tree, where all this (and much more) is described.