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From: Toon Claes <toon@iotcl.com>
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Subject: bug#23786: 25.0.95 and 24.5: NS variants both scroll too much
Date: Tue, 16 Aug 2016 21:55:31 +0200
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Cc: 23786@debbugs.gnu.org, Alan Third <alan@idiocy.org>,
	Jiajie Chen <jiegec@qq.com>
To: Peter Dyballa <Peter_Dyballa@Freenet.DE>
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In-Reply-To: <3E04DF9B-5690-4FE8-AD5F-4B9CAE0C8389@Freenet.DE> (Peter
	Dyballa's message of "Sun, 19 Jun 2016 14:21:08 +0200")
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Peter Dyballa <Peter_Dyballa@Freenet.DE> writes:

> Hello!

Hi Pete,

> all scroll too much when I use the extra Bluetooth trackpad of an iMac
> (27=E2=80=9C, Late 2013) instead of the Mighty Mouse.

Is it a Magic Trackpad, or a Magic Trackpad 2 with Force Touch?
I use the latter on a daily basis. But I have an old one laying around
somewhere. I also have a Magic Mouse. But you are using a Mighty Mouse,
aren't you?

> Yes. The default setting for the mouse could be a bit improved, using
> the suggestions of Jiajie Chen =E2=80=93 I am usually not working with mi=
ce =E2=80=93
> because it scrolls a bit too fast, but by far not that fast as the
> trackpad.

I also did not know about those settings, thanks a bunch Jiajie Chen.
These settings feel a lot more natural, so maybe we should consider
changing the defaults (although I actually never scroll with mouse in
Emacs).

> Is there a way to find out on the command line the preferences set for
> mouse and trackpad? Maybe it would help determine the cause for my bug
> report.

Mac OS X has the `defaults` tool to read/write settings from the command
line. For example on my machine:

$ defaults read -g | grep mouse

    "com.apple.mouse.scaling" =3D "2.5";

$ defaults read -g | grep trackpad
    "com.apple.trackpad.forceClick" =3D 1;
    "com.apple.trackpad.scaling" =3D "1.5";



Regards,
Toon