GNU bug report logs - #65129
30.0.50; pinch gestures suddenly stops being recognised

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Visuwesh <visuweshm <at> gmail.com>
Subject: bug#65129: closed (Re: bug#65129: 30.0.50; pinch gestures
 suddenly stops being recognised)
Date: Thu, 10 Aug 2023 00:39:02 +0000

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

Your bug report

#65129: 30.0.50; pinch gestures suddenly stops being recognised

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 65129 <at> debbugs.gnu.org.

-- 
65129: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=65129
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Po Lu <luangruo <at> yahoo.com>
To: Visuwesh <visuweshm <at> gmail.com>
Cc: 65129-done <at> debbugs.gnu.org
Subject: Re: bug#65129: 30.0.50; pinch gestures suddenly stops being recognised
Date: Thu, 10 Aug 2023 08:38:38 +0800

Visuwesh <visuweshm <at> gmail.com> writes:

> [Wednesday August 09, 2023] Po Lu wrote:
>
>> Does the following patch fix your problem?
>
> Yes, it does.  Thanks!
>
>> diff --git a/src/xmenu.c b/src/xmenu.c
>> index 6d32aa3e078..d4b5b385e11 100644
>> --- a/src/xmenu.c
>> +++ b/src/xmenu.c
>> @@ -1680,6 +1680,19 @@ leave_toolkit_menu (void *data)
>>    XISetMask (m, XI_Enter);
>>    XISetMask (m, XI_Leave);
>>  
>> +#ifdef HAVE_XINPUT2_4
>> +  /* Select for gesture events.  Emacs selects for gesture events from
>> +     all master devices on non-GTK3 builds, so that event mask is also
>> +     clobbered by prepare_for_entry_into_toolkit_menu.  (bug#65129) */
>> +
>> +  if (dpyinfo->xi2_version >= 4)
>> +    {
>> +      XISetMask (m, XI_GesturePinchBegin);
>> +      XISetMask (m, XI_GesturePinchUpdate);
>> +      XISetMask (m, XI_GesturePinchEnd);
>> +    }
>> +#endif /* HAVE_XINPUT2_4 */
>> +
>>    FOR_EACH_FRAME (tail, frame)
>>      {
>>        f = XFRAME (frame);

I'll install this shortly, and am closing this bug.

[Message part 3 (message/rfc822, inline)]

From: Visuwesh <visuweshm <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; pinch gestures suddenly stops being recognised
Date: Mon, 07 Aug 2023 22:16:09 +0530

Unfortunately, I don't have a good reproducer for this but ever since
updating to master from the emacs-29 branch, pinch gestures in Emacs
frames suddenly stops being recognised.  When I do C-h k and pinch, or
view lossage, I see wheel-left and wheel-down events but no pinch event.

However, if I create a new frame and try to pinch there, it works just
fine.

I apologise again for the vague report, but I have nothing better to
offer.  So far, I haven't tried to reproduce this in an emacs -Q
session.

In GNU Emacs 30.0.50 (build 4, x86_64-pc-linux-gnu, X toolkit, Xaw
 scroll bars) of 2023-08-04 built on astatine
Repository revision: 92f9d2b43e1974bf1496e436ad49d3b687ee0d3f
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101007
System Description: Debian GNU/Linux trixie/sid

Configured using:
 'configure --with-sound=alsa --with-x-toolkit=lucid --with-json
 --without-xaw3d --without-gconf --without-libsystemd --without-cairo'
Configured features:
ACL DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON
LIBOTF LIBSELINUX LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG RSVG
SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS WEBP X11 XDBE XFT
XIM XINPUT2 XPM LUCID ZLIB
Important settings:
  value of $LC_MONETARY: ta_IN.UTF-8
  value of $LC_NUMERIC: ta_IN.UTF-8
  value of $LANG: en_GB.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Article

Minor modes in effect:
  recentf-mode: t
  text-scale-mode: t
  server-mode: t
  eros-mode: t
  pdf-occur-global-minor-mode: t
  vz/random-frame-background-mode: t
  minibuffer-depth-indicate-mode: t
  repeat-mode: t
  display-time-mode: t
  display-battery-mode: t
  delete-selection-mode: t
  xterm-mouse-mode: t
  emacs-gc-stats-mode: t
  straight-use-package-mode: t
  straight-package-neutering-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  use-hard-newlines: t
  tab-bar-history-mode: t
  tab-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  undelete-frame-mode: t
  buffer-read-only: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
None found.

Features:
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Memory information:
((conses 16 2116230 838627) (symbols 48 56857 735)
 (strings 32 338567 22862) (string-bytes 1 102822237)
 (vectors 16 144418) (vector-slots 8 2567768 204036)
 (floats 8 84125 3751) (intervals 56 97617 1520) (buffers 976 105))

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