GNU bug report logs - #5180
[macOS,trackpad only?] Hitting Meta after mouse drag turns region into secondary selection

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Leo <sdl.web <at> gmail.com>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.1.90; Secondary selection and M-w
Date: Fri, 11 Dec 2009 13:33:59 +0000

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug.  If you can, give
a recipe starting from `emacs -Q':

If often use mouse to select a piece of text and then hit M-w to copy
it. However, this is frequently hijacked by mouse-drag-secondary.

To reproduce:
1. Drag the mouse to select some text
2. Stop dragging and (after a short delay) hit the Meta (as in M-w) key

The region will be turned into a secondary selection defeating the
effect of M-w, for example.

I have found this annoying and I wonder how to fix it without disabling
all secondary selection bindings.

Thank you.

Leo

with GNU Emacs 23.1.90.1 (i386-apple-darwin9.8.0, NS
apple-appkit-949.54) of 2009-12-09 on victoria.local

Message #10 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: "Drew Adams" <drew.adams <at> oracle.com>
To: "'Leo'" <sdl.web <at> gmail.com>, <5180 <at> debbugs.gnu.org>,
        <emacs-pretest-bug <at> gnu.org>
Subject: RE: bug#5180: 23.1.90; Secondary selection and M-w
Date: Fri, 11 Dec 2009 07:53:40 -0800

I never noticed it before, but I can confirm that it happens, but only if the
the Meta key is pressed before releasing the mouse button.

> If often use mouse to select a piece of text and then hit M-w to copy
> it. However, this is frequently hijacked by mouse-drag-secondary.
> 
> To reproduce:
> 1. Drag the mouse to select some text
> 2. Stop dragging and (after a short delay) hit the Meta (as 
> in M-w) key
> 
> The region will be turned into a secondary selection defeating the
> effect of M-w, for example.
> 
> I have found this annoying and I wonder how to fix it without 
> disabling all secondary selection bindings.

Message #20 received at 5180 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Leo <sdl.web <at> googlemail.com>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 5180 <at> debbugs.gnu.org
Subject: Re: bug#5180: 23.1.90; Secondary selection and M-w
Date: Fri, 11 Dec 2009 16:53:55 +0000

2009/12/11 Drew Adams <drew.adams <at> oracle.com>:
> I never noticed it before, but I can confirm that it happens, but only if the
> the Meta key is pressed before releasing the mouse button.

I would not find it annoying if that were my case. However, I use the
trackpad with a laptop. I don't know whether that causes the
difference.

I also find that the Meta key has to be held down for a while (about 1
or 2 s)  but it can be done after releasing the mouse button (with my
hand off the trackpad). Thus:

 To reproduce:
 1. Drag the mouse to select some text
 2. Stop dragging by moving your hand away from the trackpad and
(after a short delay) HOLD DOWN the Meta (as in M-w) key

Thanks.
Leo

Message #23 received at 5180 <at> debbugs.gnu.org (full text, mbox):

From: Alan Third <alan <at> idiocy.org>
To: Leo <sdl.web <at> googlemail.com>
Cc: 5180 <at> debbugs.gnu.org, Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#5180: 23.1.90; Secondary selection and M-w
Date: Mon, 01 Feb 2016 22:44:01 +0000

Leo <sdl.web <at> googlemail.com> writes:

> 2009/12/11 Drew Adams <drew.adams <at> oracle.com>:
>> I never noticed it before, but I can confirm that it happens, but only if the
>> the Meta key is pressed before releasing the mouse button.

I can replicate this, but I assume it's normal behaviour.

> I would not find it annoying if that were my case. However, I use the
> trackpad with a laptop. I don't know whether that causes the
> difference.
>
> I also find that the Meta key has to be held down for a while (about 1
> or 2 s)  but it can be done after releasing the mouse button (with my
> hand off the trackpad). Thus:
>
>  To reproduce:
>  1. Drag the mouse to select some text
>  2. Stop dragging by moving your hand away from the trackpad and
> (after a short delay) HOLD DOWN the Meta (as in M-w) key

I can't replicate this in Emacs 25. Are you able to check whether you
still get this behaviour in a recent version of Emacs?

-- 
Alan Third

Message #28 received at 5180 <at> debbugs.gnu.org (full text, mbox):

From: Leo Liu <sdl.web <at> gmail.com>
To: Alan Third <alan <at> idiocy.org>
Cc: 5180 <at> debbugs.gnu.org, Leo <sdl.web <at> googlemail.com>,
 Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#5180: 23.1.90; Secondary selection and M-w
Date: Tue, 2 Feb 2016 11:37:39 +0800

>> On 2016年2月2日, at 06:44, Alan Third <alan <at> idiocy.org> wrote:
>> 
>> To reproduce:
>> 1. Drag the mouse to select some text
>> 2. Stop dragging by moving your hand away from the trackpad and
>> (after a short delay) HOLD DOWN the Meta (as in M-w) key
> 
> I can't replicate this in Emacs 25. Are you able to check whether you
> still get this behaviour in a recent version of Emacs?
> 
> -- 
> Alan Third

I just tried this on emacs 25.0.90 and reproduced it after a few tries. its getting harder to reproduce but i think its not fixed yet.  -- leo

Message #31 received at 5180 <at> debbugs.gnu.org (full text, mbox):

From: Noam Postavsky <npostavs <at> users.sourceforge.net>
To: 5180 <at> debbugs.gnu.org
Cc: Leo <sdl.web <at> googlemail.com>, Alan Third <alan <at> idiocy.org>,
 Leo Liu <sdl.web <at> gmail.com>, Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#5180: 23.1.90; Secondary selection and M-w
Date: Sat, 4 Jun 2016 23:16:40 -0400

Leo Liu <sdl.web <at> gmail.com> wrote:
> I just tried this on emacs 25.0.90 and reproduced it after a few tries. its getting harder to reproduce but i think its not fixed yet.  -- leo

Failed to reproduce it here, also using a trackpad. Maybe something is
wrong on the OS side and Emacs receives the events in the wrong order?

In GNU Emacs 25.0.94.6 (x86_64-unknown-linux-gnu, X toolkit)
 of 2016-06-04 built on zony
Repository revision: 7eb3bd56d0f0410d5053ee01f4b458d868682df6
Windowing system distributor 'The X.Org Foundation', version 11.0.11803000
Configured using:
 'configure --cache-file=../debug-config.cache 'CFLAGS=-Og -g3
 -march=native' --enable-checking --with-x-toolkit=lucid
 --without-toolkit-scroll-bars --with-gif=no --with-jpeg=no'

Message #34 received at 5180 <at> debbugs.gnu.org (full text, mbox):

From: Leo Liu <sdl.web <at> gmail.com>
To: Noam Postavsky <npostavs <at> users.sourceforge.net>
Cc: 5180 <at> debbugs.gnu.org, Leo <sdl.web <at> googlemail.com>,
 Alan Third <alan <at> idiocy.org>
Subject: Re: bug#5180: 23.1.90; Secondary selection and M-w
Date: Sun, 05 Jun 2016 17:09:19 +0800

On 2016-06-04 23:16 -0400, Noam Postavsky wrote:
> Failed to reproduce it here, also using a trackpad. Maybe something is
> wrong on the OS side and Emacs receives the events in the wrong order?

I still have 100% reproduction here with Mac Port emacs starting with -Q
on OSX 10.11.5. I suspect the NS build is similar. I am also using a
trackpad.

Leo

Message #39 received at 5180 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: Alan Third <alan <at> idiocy.org>
Cc: 5180 <at> debbugs.gnu.org, Leo <sdl.web <at> googlemail.com>,
 Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#5180: 23.1.90; Secondary selection and M-w
Date: Fri, 11 Oct 2019 01:26:22 +0200

Alan Third <alan <at> idiocy.org> writes:

> Leo <sdl.web <at> googlemail.com> writes:
>
>> 2009/12/11 Drew Adams <drew.adams <at> oracle.com>:
>>> I never noticed it before, but I can confirm that it happens, but only if the
>>> the Meta key is pressed before releasing the mouse button.
>
> I can replicate this, but I assume it's normal behaviour.

Same.

>> I would not find it annoying if that were my case. However, I use the
>> trackpad with a laptop. I don't know whether that causes the
>> difference.
>>
>> I also find that the Meta key has to be held down for a while (about 1
>> or 2 s)  but it can be done after releasing the mouse button (with my
>> hand off the trackpad). Thus:
>>
>>  To reproduce:
>>  1. Drag the mouse to select some text
>>  2. Stop dragging by moving your hand away from the trackpad and
>> (after a short delay) HOLD DOWN the Meta (as in M-w) key
>
> I can't replicate this in Emacs 25. Are you able to check whether you
> still get this behaviour in a recent version of Emacs?

I can't replicate this using a trackpad on current master (27.0.50).

Best regards,
Stefan Kangas

Message #44 received at 5180-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: Alan Third <alan <at> idiocy.org>
Cc: 5180-done <at> debbugs.gnu.org, Leo <sdl.web <at> googlemail.com>,
 Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#5180: 23.1.90; Secondary selection and M-w
Date: Sun, 03 May 2020 03:27:15 +0200

Stefan Kangas <stefan <at> marxist.se> writes:

>>>> I never noticed it before, but I can confirm that it happens, but only if the
>>>> the Meta key is pressed before releasing the mouse button.
>>
>> I can replicate this, but I assume it's normal behaviour.
>
> Same.

No one has said anything else, so I'm assuming the above conclusion is
correct, and things are working as they should.

>>> I would not find it annoying if that were my case. However, I use the
>>> trackpad with a laptop. I don't know whether that causes the
>>> difference.
>>>
>>> I also find that the Meta key has to be held down for a while (about 1
>>> or 2 s)  but it can be done after releasing the mouse button (with my
>>> hand off the trackpad). Thus:
>>>
>>>  To reproduce:
>>>  1. Drag the mouse to select some text
>>>  2. Stop dragging by moving your hand away from the trackpad and
>>> (after a short delay) HOLD DOWN the Meta (as in M-w) key
>>
>> I can't replicate this in Emacs 25. Are you able to check whether you
>> still get this behaviour in a recent version of Emacs?
>
> I can't replicate this using a trackpad on current master (27.0.50).

Two users (one of them me) have been unable to reproduce this issue,
and there have been no further comments within 6 months.

I therefore see nothing more to here, and I'm closing this bug.

If that conclusion is wrong, and this is still an issue, please reply
to this email (use "Reply to all" in your email client) and we can
reopen the bug report.

Best regards,
Stefan Kangas

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