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Massimo B.
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PostPosted: Thu Sep 06, 2018 8:52 am    Post subject: Setting higher libinput Accel Speed to accelerate mouse Reply with quote

Hi, how can I get my pointer devices faster, already set 'libinput Accel Speed' '1' which is maximum. But I have several devices that I like to have faster:
Code:
$ xinput --set-prop 10 'libinput Accel Speed' '1'

$ xinput --set-prop 10 'libinput Accel Speed' '2'
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  131 (XInputExtension)
  Minor opcode of failed request:  57 ()
  Value in failed request:  0x127
  Serial number of failed request:  20
  Current serial number in output stream:  21
Code:
$ xinput list
⎡ Virtual core pointer                       id=2   [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                 id=4   [slave  pointer  (2)]
⎜   ↳ Logitech Trackball                         id=9   [slave  pointer  (2)]
⎜   ↳ Logitech USB Receiver                      id=10   [slave  pointer  (2)]
⎜   ↳ Logitech USB Receiver                      id=11   [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)]
    ↳ Sleep Button                               id=8   [slave  keyboard (3)]
    ↳ Unicomp  Emulator Keyboard                 id=12   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard               id=13   [slave  keyboard (3)]

$ xinput list-props 10
Device 'Logitech USB Receiver':
   Device Enabled (148):   1
   Coordinate Transformation Matrix (150):   1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
   libinput Natural Scrolling Enabled (284):   0
   libinput Natural Scrolling Enabled Default (285):   0
   libinput Scroll Methods Available (286):   0, 0, 1
   libinput Scroll Method Enabled (287):   0, 0, 0
   libinput Scroll Method Enabled Default (288):   0, 0, 0
   libinput Button Scrolling Button (289):   2
   libinput Button Scrolling Button Default (290):   2
   libinput Middle Emulation Enabled (291):   0
   libinput Middle Emulation Enabled Default (292):   0
   libinput Accel Speed (295):   1.000000
   libinput Accel Speed Default (296):   0.000000
   libinput Accel Profiles Available (297):   1, 1
   libinput Accel Profile Enabled (298):   1, 0
   libinput Accel Profile Enabled Default (299):   1, 0
   libinput Left Handed Enabled (300):   0
   libinput Left Handed Enabled Default (301):   0
   libinput Send Events Modes Available (302):   1, 0
   libinput Send Events Mode Enabled (303):   0, 0
   libinput Send Events Mode Enabled Default (304):   0, 0
   Device Node (272):   "/dev/input/event8"
   Device Product ID (271):   1133, 50469
   libinput Drag Lock Buttons (305):   <no items>
   libinput Horizontal Scroll Enabled (306):   1

$ xinput list-props 11
Device 'Logitech USB Receiver':
   Device Enabled (148):   1
   Coordinate Transformation Matrix (150):   1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
   Device Accel Profile (280):   0
   Device Accel Constant Deceleration (281):   1.000000
   Device Accel Adaptive Deceleration (282):   1.000000
   Device Accel Velocity Scaling (283):   10.000000
   Device Product ID (271):   1133, 50469
   Device Node (272):   "/dev/input/event9"
   Evdev Axis Inversion (310):   0, 0
   Evdev Axes Swap (312):   0
   Axis Labels (313):   "Rel X" (158), "Rel Y" (159), "Rel Horiz Wheel" (309)
   Button Labels (314):   "Button 0" (308), "Button Unknown" (307), "Button Unknown" (307), "Button Wheel Up" (154), "Button Wheel Down" (155), "Button Horiz Wheel Left" (156), "Button Horiz Wheel Right" (157)
   Evdev Scrolling Distance (315):   1, 1, 1
   Evdev Middle Button Emulation (316):   0
   Evdev Middle Button Timeout (317):   50
   Evdev Middle Button Button (318):   2
   Evdev Third Button Emulation (319):   0
   Evdev Third Button Emulation Timeout (320):   1000
   Evdev Third Button Emulation Button (321):   3
   Evdev Third Button Emulation Threshold (322):   20
   Evdev Wheel Emulation (323):   0
   Evdev Wheel Emulation Axes (324):   0, 0, 4, 5
   Evdev Wheel Emulation Inertia (325):   10
   Evdev Wheel Emulation Timeout (326):   200
   Evdev Wheel Emulation Button (327):   4
   Evdev Drag Lock Buttons (328):   0


Next issue is that I can't specify the pointer device by name, as the name of the 2 devices for the same mouse have the same name. Using the ID is unstable as the ID is changing sometimes at restart.

I have the issue on several mice, that don't allow to set higher acceleration.
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Massimo B.
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PostPosted: Tue Sep 11, 2018 5:42 am    Post subject: Reply with quote

Some pointer devices have xinput ... Device Accel Profile, some don't. How is it detected if a device has that? Is it device specific? Are there specific drivers per mouse model? This trackball doesn't have the profiles:
Code:
$ xinput list-props 'Logitech Trackball'
Device 'Logitech Trackball':
   Device Enabled (148):   1
   Coordinate Transformation Matrix (150):   1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
   libinput Natural Scrolling Enabled (284):   0
   libinput Natural Scrolling Enabled Default (285):   0
   libinput Scroll Methods Available (286):   0, 0, 1
   libinput Scroll Method Enabled (287):   0, 0, 0
   libinput Scroll Method Enabled Default (288):   0, 0, 0
   libinput Button Scrolling Button (289):   2
   libinput Button Scrolling Button Default (290):   2
   libinput Middle Emulation Enabled (291):   0
   libinput Middle Emulation Enabled Default (292):   0
   libinput Rotation Angle (293):   0.000000
   libinput Rotation Angle Default (294):   0.000000
   libinput Accel Speed (295):   1.000000
   libinput Accel Speed Default (296):   0.000000
   libinput Accel Profiles Available (297):   1, 1
   libinput Accel Profile Enabled (298):   1, 0
   libinput Accel Profile Enabled Default (299):   1, 0
   libinput Left Handed Enabled (300):   0
   libinput Left Handed Enabled Default (301):   0
   libinput Send Events Modes Available (302):   1, 0
   libinput Send Events Mode Enabled (303):   0, 0
   libinput Send Events Mode Enabled Default (304):   0, 0
   Device Node (272):   "/dev/input/event7"
   Device Product ID (271):   1133, 50180
   libinput Drag Lock Buttons (305):   <no items>
   libinput Horizontal Scroll Enabled (306):   1

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Massimo B.
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PostPosted: Wed Oct 10, 2018 7:16 am    Post subject: Reply with quote

No software workaround if a mouse dpi setting is not fast enough?
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Ant P.
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PostPosted: Wed Oct 10, 2018 5:46 pm    Post subject: Reply with quote

You can try faking the DPI: http://who-t.blogspot.com/2014/12/building-a-dpi-database-for-mice.html
Lower values should make the pointer move faster.
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Massimo B.
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PostPosted: Thu Oct 11, 2018 6:28 am    Post subject: Reply with quote

Ok, this is about creating a hardware database with the physical resolutions of the mice, in order to adapt to different nice. But is this systemd specific? It's all about systemd. My MX Revolution is already set there.
In my dev-libs/libinput-1.12.1 there is no database like this.
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Ant P.
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PostPosted: Thu Oct 11, 2018 7:51 pm    Post subject: Reply with quote

This is the udev database. If you have libinput, you already use udev.
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Anon-E-moose
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PostPosted: Thu Oct 11, 2018 8:03 pm    Post subject: Reply with quote

What does
Code:
xinput get-feedbacks "Logitech Trackball"
show?

Then you might play around with
Code:
xinput set-ptr-feedback <device name> <threshold> <num> <denom>

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