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From: Alex Gramiak <agrambot@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 35246@debbugs.gnu.org
Subject: bug#35246: 26.2; Mouse wheel scrolling in GTK build sometimes scrolls the entire buffer
Date: Mon, 15 Apr 2019 10:18:24 -0600	[thread overview]
Message-ID: <871s23kzsf.fsf@gmail.com> (raw)
In-Reply-To: <87ef67w31s.fsf@gmail.com>

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Alex Gramiak <agrambot@gmail.com>
>> Date: Fri, 12 Apr 2019 11:23:27 -0600
>> 
>> Occasionally, after first moving the mouse over the frame after it was
>> iconified or unused for "a while", scrolling down in a buffer scrolls
>> the entire buffer regardless of buffer length. During this scrolling,
>> the GUI cursor changes to a busy (hourglass) cursor.
>> 
>> I unfortunately can not reproduce this issue reliably, which is why I
>> held off on reporting this until now. I can cancel the scrolling when
>> the cursor is an hourglass cursor, at which point the buffer is
>> partially scrolled. I recall that debug-on-quit did not help here.
>
> What does "C-h l" show after that?

A couple days ago I had a similar event happen (busy cursor pops up, and
a few seconds later normal mouse scrolling occurred). C-h l in that
window:

  <help-echo> <down-mouse-5> <mouse-5> [mwheel-scroll]
  <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
  <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
  <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
  <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
  <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
  <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
  <down-mouse-4> <mouse-4> [mwheel-scroll]
  <double-down-mouse-4> <double-mouse-4> [mwheel-scroll]
  <help-echo> <down-mouse-5> <mouse-5> [mwheel-scroll]
  <down-mouse-5> <mouse-5> [mwheel-scroll]
  C-h l [view-lossage]

Just now I had a different event happen -- this time no busy cursor
appeared, but the buffer still scrolled a few thousand lines instantly.
The selected window was not the window where the scrolling took place.

I did C-h l in the selected window and got:

   <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <help-echo> <help-echo> <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-4> <mouse-4> [mwheel-scroll]
   <double-down-mouse-4> <double-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-4> <mouse-4> [mwheel-scroll]
   <double-down-mouse-4> <double-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <down-mouse-4> <mouse-4> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <down-mouse-4> <mouse-4> [mwheel-scroll]
   <double-down-mouse-4> <double-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-4> <mouse-4> [mwheel-scroll]
   <double-down-mouse-4> <double-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <triple-down-mouse-4> <triple-mouse-4> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <help-echo> <help-echo> <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <triple-down-mouse-5> <triple-mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <down-mouse-5> <mouse-5> [mwheel-scroll]
   <double-down-mouse-5> <double-mouse-5> [mwheel-scroll]
   C-h l [view-lossage]

Is it possibly the commands with a help-echo prefix?

P.S. Is there a way to get the event time in C-h l? If not, I think
there should be an option for that.





  reply	other threads:[~2019-04-15 16:18 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-12 17:23 bug#35246: 26.2; Mouse wheel scrolling in GTK build sometimes scrolls the entire buffer Alex Gramiak
2019-04-12 17:47 ` Eli Zaretskii
2019-04-15 16:18   ` Alex Gramiak [this message]
2019-04-15 16:35     ` Eli Zaretskii
2019-04-15 16:42       ` Eli Zaretskii
2019-04-15 17:10       ` Alex Gramiak
2019-04-15 18:49         ` Eli Zaretskii
2019-04-15 20:00           ` Alex Gramiak
2019-04-16  1:15             ` Alex Gramiak
2020-09-02 21:32             ` Stefan Kangas

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