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rburcham
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PostPosted: Tue Nov 13, 2018 1:18 am    Post subject: apple magicmouse... libinput? evdev? how? Reply with quote

I have been a happy gen-1 magic mouse user for a couple years now. All of a sudden I am not.

I recently moved from a 2012 MBP to a 2018 Dell Precision 7730. My magic mouse had "just worked" with Xorg on the MBP, everything including left/right/middle "buttons," touch-horizontal and touch-vertical scrolling, the whole deal. So I took it with me to the Dell.

I am working with a fresh Gentoo install, and for some reason Xorg now wants to drive the magicmouse as though it were a stock 2-button mouse. Only left/right buttons work, no middle or touch-scrolling. I know I never had any unique config for the magicmouse on the MBP, so I don't know why it doesn't "just work" any longer. Googling suggests other recently have had similar issues, but many have at least manually (through xinput manipulation) been able to restore the expected behavior. I cannot.

This is a bummer. I have configured both libinput and evdev drivers in xorg.conf.d, and in each case I can see properties with xinput (evdev example below).

Code:
$ xinput list
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ DELL0832:00 044E:1220 Touchpad            id=13   [slave  pointer  (2)]
⎜   ↳ rburcham’s Mouse                          id=19   [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ Apple Inc. Apple Keyboard                 id=10   [slave  keyboard (3)]
    ↳ Apple Inc. Apple Keyboard                 id=11   [slave  keyboard (3)]
    ↳ Integrated_Webcam_HD: Integrate           id=12   [slave  keyboard (3)]
    ↳ DELL0832:00 044E:1220 UNKNOWN             id=14   [slave  keyboard (3)]
    ↳ Intel HID events                          id=15   [slave  keyboard (3)]
    ↳ Intel HID 5 button array                  id=16   [slave  keyboard (3)]
    ↳ Dell WMI hotkeys                          id=17   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=18   [slave  keyboard (3)]



Indeed it seems upon initialization the values for interesting properties would suggest they are not enabled, e.g "Middle Button," "Wheel" and "Third Button" Emulation:

Code:
$ xinput list-props 19   
Device 'rburcham’s Mouse':
        Device Enabled (155):   1
        Coordinate Transformation Matrix (157): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
        Device Accel Profile (286):     0
        Device Accel Constant Deceleration (287):       1.000000
        Device Accel Adaptive Deceleration (288):       1.000000
        Device Accel Velocity Scaling (289):    10.000000
        Device Product ID (279):        1452, 781
        Device Node (278):      "/dev/input/event21"
        Evdev Axis Inversion (314):     0, 0
        Evdev Axes Swap (316):  0
        Axis Labels (317):      "Rel X" (165), "Rel Y" (166), "Rel Horiz Wheel" (312), "Rel Vert Wheel" (313)
        Button Labels (318):    "Button Left" (158), "Button Middle" (159), "Button Right" (160), "Button Wheel Up" (161), "Button Wheel Down" (162), "Button Horiz Wheel Left" (163), "Button Horiz Wheel Right" (164)
        Evdev Scrolling Distance (319): 1, 1, 1
        Evdev Middle Button Emulation (320):    0
        Evdev Middle Button Timeout (321):      50
        Evdev Middle Button Button (322):       2
        Evdev Third Button Emulation (323):     0
        Evdev Third Button Emulation Timeout (324):     1000
        Evdev Third Button Emulation Button (325):      3
        Evdev Third Button Emulation Threshold (326):   20
        Evdev Wheel Emulation (327):    0
        Evdev Wheel Emulation Axes (328):       0, 0, 4, 5
        Evdev Wheel Emulation Inertia (329):    10
        Evdev Wheel Emulation Timeout (330):    200
        Evdev Wheel Emulation Button (331):     4
        Evdev Drag Lock Buttons (332):  0


I can toggle these, for example

Code:
$ xinput set-prop 19 327 1


... such that they appear changed on a followup 'xinput list-props 19' however this doesn't have any effect on the behavior of the device or Xorg. When using libinput instead of evdev the results are the same, although the prop ids and descriptions for the middle/wheel/third button props are trivially different.

So the magicmouse continues to act like a 2-button mouse. This seems to contradict similar accounts on the web e.g.

https://bbs.archlinux.org/viewtopic.php?id=132548
https://ubuntuforums.org/showthread.php?t=2390267

Perhaps most telling is that when I 'evtest /dev/input/event21' on the device, evtest completely ignores any middle-click or touch-scroll activity. It does happily register movement and left/right clicks. So I suppose Xorg simply sees a 2-button mouse, despite what evdev or libinput pretend to report.

Does anyone know what the new secret is to getting a gen-1 magic mouse to "just work" again?
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rburcham
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PostPosted: Tue Nov 13, 2018 2:46 pm    Post subject: Reply with quote

FWIW hid_magicmouse is definitely driving the device:

Code:
[Tue Nov 13 08:40:35 2018] magicmouse 0005:05AC:030D.0005: unknown main item tag 0x0
[Tue Nov 13 08:40:35 2018] input: rburcham’s Mouse as /devices/virtual/misc/uhid/0005:05AC:030D.0005/input/input25
[Tue Nov 13 08:40:35 2018] magicmouse 0005:05AC:030D.0005: input,hidraw4: BLUETOOTH HID v3.06 Mouse [rburcham’s Mouse] on [redacted]


and


Code:
# uname -a
Linux roblt4 4.18.12-gentoo #1 SMP Wed Oct 31 13:37:37 -00 2018 x86_64 Intel(R) Xeon(R) E-2176M CPU @ 2.70GHz GenuineIntel GNU/Linux
roblt4 /usr/src/linux # emerge xorg -s
 
[ Results for search key : xorg ]
Searching...

*  x11-base/xorg-drivers
      Latest version available: 1.20
      Latest version installed: 1.20
      Size of files: 0 KiB
      Homepage:      https://www.gentoo.org/
      Description:   Meta package containing deps on all xorg drivers
      License:       metapackage

*  x11-base/xorg-proto
      Latest version available: 2018.4
      Latest version installed: 2018.4
      Size of files: 483 KiB
      Homepage:      https://cgit.freedesktop.org/xorg/proto/xorgproto/
      Description:   X.Org combined protocol headers
      License:       MIT

*  x11-base/xorg-server
      Latest version available: 1.20.3
      Latest version installed: 1.20.3
      Size of files: 6,060 KiB
      Homepage:      https://www.x.org/wiki/ https://cgit.freedesktop.org/
      Description:   X.Org X servers
      License:       MIT

*  x11-base/xorg-x11
      Latest version available: 7.4-r3
      Latest version installed: 7.4-r3
      Size of files: 0 KiB
      Homepage:      https://www.x.org/wiki/
      Description:   An X11 implementation maintained by the X.Org Foundation (meta package)
      License:       metapackage

*  x11-misc/xorg-cf-files
      Latest version available: 1.0.6-r1
      Latest version installed: 1.0.6-r1
      Size of files: 335 KiB
      Homepage:      https://www.x.org/wiki/ https://cgit.freedesktop.org/
      Description:   Old Imake-related build files
      License:       MIT

[ Applications found : 5 ]


Last edited by rburcham on Fri Nov 30, 2018 2:32 am; edited 2 times in total
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rburcham
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PostPosted: Tue Nov 13, 2018 8:05 pm    Post subject: Reply with quote

In researching libinput I noticed in the file /usr/share/libinput/50-system-apple.quirks

Code:
# The Apple MagicMouse has a touchpad built-in but the kernel still
# emulates a full 2/3 button mouse for us. Ignore anything from the
# ABS interface
[Apple MagicMouse]
MatchUdevType=mouse
MatchBus=bluetooth
MatchVendor=0x05AC
MatchProduct=0x030D
AttrEventCodeDisable=EV_ABS



I don't know how to interpret the comment... Does anyone know what ABS means?
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1clue
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PostPosted: Tue Nov 13, 2018 8:46 pm    Post subject: Reply with quote

I'm interested in the discussion. Posting to subscribe.
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rburcham
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PostPosted: Tue Nov 13, 2018 11:24 pm    Post subject: Reply with quote

It's nice to know that I'm not alone :)

I found this:

https://www.kernel.org/doc/Documentation/input/event-codes.txt

So now I know what EV_ABS is sort of. Still don't really know if it's relevant. I tried loading hid_magicmouse with that part commented out of the quirk file, and there was no difference in the driver/device behavior.
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rburcham
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PostPosted: Wed Nov 14, 2018 5:27 pm    Post subject: Reply with quote

hid_magicmouse is reporting the params:

Code:
# grep "" /sys/module/hid_magicmouse/parameters/*
/sys/module/hid_magicmouse/parameters/emulate_3button:Y
/sys/module/hid_magicmouse/parameters/emulate_scroll_wheel:Y
/sys/module/hid_magicmouse/parameters/report_undeciphered:N
/sys/module/hid_magicmouse/parameters/scroll_acceleration:N
/sys/module/hid_magicmouse/parameters/scroll_speed:32


These look right. I have to think I'm looking at the impact of some kind of change in libinput. Perhaps a quirk change or a wholesale change in behavior. I admit I don't know what version I was running on my original gentoo'd MBP 2012 where the magic mouse behaved flawlessly.

Since gentooing this Dell Precision 7330 I can see from emerge.log that within the past two weeks I have updated from dev-libs/libinput-1.12.1-r1 to dev-libs/libinput-1.12.2 to dev-libs/libinput-1.12.3, and the magic mouse has always behaved like a 2-button mouse across the board.

Code:
# emerge libinput -s
 
[ Results for search key : libinput ]
Searching...

*  dev-libs/libinput
      Latest version available: 1.12.3
      Latest version installed: 1.12.3
      Size of files: 508 KiB
      Homepage:      https://www.freedesktop.org/wiki/Software/libinput/
      Description:   Library to handle input devices in Wayland
      License:       MIT
...

*  x11-drivers/xf86-input-libinput
      Latest version available: 0.28.1
      Latest version installed: 0.28.1
      Size of files: 368 KiB
      Homepage:      https://www.x.org/wiki/ https://cgit.freedesktop.org/
      Description:   X.org input driver based on libinput
      License:       MIT

*  x11-misc/libinput-gestures
      Latest version available: 2.39
      Latest version installed: [ Not Installed ]
      Size of files: 18 KiB
      Homepage:      https://github.com/bulletmark/libinput-gestures
      Description:   Actions gestures on your touchpad using libinput
      License:       GPL-3+


I'll see if I can roll back the libinput.
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rburcham
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PostPosted: Wed Nov 14, 2018 8:32 pm    Post subject: Reply with quote

Rolling back to libinput 1.11.3 and 1.10.7 didn't change anything. So now I'm thinking kernel? I'll try an earlier kernel.
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rburcham
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PostPosted: Thu Nov 15, 2018 11:45 pm    Post subject: Reply with quote

I've tried a few kernels. I don't know what's going on, but my BT magicmouse, which up until a couple weeks ago worked perfectly (left/right/middle clicks, v-scroll and h-scroll) on a MBP running 4.18.7, now will only drive like a stock 2-button mouse on my new Dell on that same kernel (or any other earlier or later kernel I try).

Bummer. Judging from Google this seems not to be an isolated incident... I'm wondering now if anyone is able to get their magic mouse to work properly. And if so what xorg, libinput and kernel is being used?

Can anyone get their gen-1 magicmouse to work properly?
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rburcham
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PostPosted: Sat Nov 17, 2018 12:05 am    Post subject: Reply with quote

Still no joy, with latest everything. Kernel 4.19.1, libinput-1.12.3, xf86-input-libinput-0.28.1

After BT connecting the device, dmesg:

Code:
[Fri Nov 16 15:30:27 2018] magicmouse 0005:05AC:030D.0005: unknown main item tag 0x0
[Fri Nov 16 15:30:27 2018] input: rburcham’s Mouse as /devices/virtual/misc/uhid/0005:05AC:030D.0005/input/input24
[Fri Nov 16 15:30:27 2018] magicmouse 0005:05AC:030D.0005: input,hidraw4: BLUETOOTH HID v3.06 Mouse [rburcham’s Mouse] on [redacted]


Xorg.0.log:

Code:

...
[   366.242] (II) config/udev: Adding input device rburcham’s Mouse (/dev/input/mouse2)
[   366.242] (II) No input driver specified, ignoring this device.
[   366.242] (II) This device may have been added with another device file.
[   366.321] (II) config/udev: Adding input device rburcham’s Mouse (/dev/input/event21)
[   366.321] (**) rburcham’s Mouse: Applying InputClass "Apple magicmouse (BT)"
[   366.321] (II) LoadModule: "evdev"
[   366.321] (II) Loading /usr/lib64/xorg/modules/input/evdev_drv.so
[   366.354] (II) Module evdev: vendor="X.Org Foundation"
[   366.355]    compiled for 1.20.3, module version = 2.10.6
[   366.355]    Module class: X.Org XInput Driver
[   366.355]    ABI class: X.Org XInput driver, version 24.1
[   366.355] (II) Using input driver 'evdev' for 'rburcham’s Mouse'
[   366.355] (**) rburcham’s Mouse: always reports core events
[   366.355] (**) evdev: rburcham’s Mouse: Device: "/dev/input/event21"
[   366.355] (**) evdev: rburcham’s Mouse: ButtonMapping '1 2 3 4 5 6 7 8'
[   366.355] (--) evdev: rburcham’s Mouse: Vendor 0x5ac Product 0x30d
[   366.355] (--) evdev: rburcham’s Mouse: Found 3 mouse buttons
[   366.355] (--) evdev: rburcham’s Mouse: Found scroll wheel(s)
[   366.355] (--) evdev: rburcham’s Mouse: Found relative axes
[   366.355] (--) evdev: rburcham’s Mouse: Found x and y relative axes
[   366.355] (--) evdev: rburcham’s Mouse: Found absolute axes
[   366.355] (--) evdev: rburcham’s Mouse: Found absolute multitouch axes
[   366.355] (II) evdev: rburcham’s Mouse: Configuring as mouse
[   366.355] (II) evdev: rburcham’s Mouse: Adding scrollwheel support
[   366.355] (**) Option "Emulate3Buttons" "yes"
[   366.355] (**) evdev: rburcham’s Mouse: YAxisMapping: buttons 4 and 5
[   366.355] (**) evdev: rburcham’s Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[   366.355] (**) Option "config_info" "udev:/sys/devices/virtual/misc/uhid/0005:05AC:030D.0005/input/input24/event21"
[   366.355] (II) XINPUT: Adding extended input device "rburcham’s Mouse" (type: MOUSE, id 19)
[   366.355] (II) evdev: rburcham’s Mouse: initialized for relative axes.
[   366.355] (WW) evdev: rburcham’s Mouse: ignoring absolute axes.
[   366.355] (**) rburcham’s Mouse: (accel) keeping acceleration scheme 1
[   366.355] (**) rburcham’s Mouse: (accel) acceleration profile 0
[   366.355] (**) rburcham’s Mouse: (accel) acceleration factor: 2.000
[   366.355] (**) rburcham’s Mouse: (accel) acceleration threshold: 4



and

Code:
$ xinput list-props 19
Device 'rburcham’s Mouse':
        Device Enabled (155):   1
        Coordinate Transformation Matrix (157): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
        Device Accel Profile (286):     0
        Device Accel Constant Deceleration (287):       1.000000
        Device Accel Adaptive Deceleration (288):       1.000000
        Device Accel Velocity Scaling (289):    10.000000
        Device Product ID (279):        1452, 781
        Device Node (278):      "/dev/input/event21"
        Evdev Axis Inversion (595):     0, 0
        Evdev Axes Swap (597):  0
        Axis Labels (598):      "Rel X" (165), "Rel Y" (166), "Rel Horiz Wheel" (435), "Rel Vert Wheel" (436)
        Button Labels (599):    "Button Left" (158), "Button Middle" (159), "Button Right" (160), "Button Wheel Up" (161), "Button Wheel Down" (162), "Button Horiz Wheel Left" (163), "Button Horiz Wheel Right" (164)
        Evdev Scrolling Distance (600): 1, 1, 1
        Evdev Middle Button Emulation (601):    1
        Evdev Middle Button Timeout (602):      50
        Evdev Middle Button Button (603):       2
        Evdev Third Button Emulation (604):     0
        Evdev Third Button Emulation Timeout (605):     1000
        Evdev Third Button Emulation Button (606):      3
        Evdev Third Button Emulation Threshold (607):   20
        Evdev Wheel Emulation (608):    1
        Evdev Wheel Emulation Axes (609):       4, 5, 6, 7
        Evdev Wheel Emulation Inertia (610):    10
        Evdev Wheel Emulation Timeout (611):    200
        Evdev Wheel Emulation Button (612):     4
        Evdev Drag Lock Buttons (613):  0

$ xinput get-button-map 19
1 2 3 4 5 6 7



And this right here is the problem, but I know not what to do:

Code:
# /usr/libexec/libinput/libinput-measure-touchpad-pressure /dev/input/event21
Using rburcham’s Mouse: /dev/input/event21

Error: device does not have ABS_PRESSURE/ABS_MT_PRESSURE

$ /usr/libexec/libinput/libinput-measure-touch-size /dev/input/event21
Using rburcham’s Mouse: /dev/input/event21

Ready for recording data.
Touch sizes used: 0:0
Palm size used: 0
Thumb size used: 0
Place a single finger on the device to measure touch size.
Ctrl+C to exit

***nothing happens when I touch the mouse***
^C

$ /usr/libexec/libinput/libinput-measure-touchpad-tap /dev/input/event21
Using rburcham’s Mouse: /dev/input/event21

Error: device does not have BTN_TOUCH


So there simply is no touch capability from the libinput perspective. Halp.
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