[systemsettings] [Bug 350688] Mouse acceleration setting has no effect with libinput

[Christian Hägele via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=350688

Christian Hägele <christian_haegele at web.de> changed:

           What    |Removed                     |Added
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                 CC|                            |christian_haegele at web.de

--- Comment #4 from Christian Hägele <christian_haegele at web.de> ---
I can confirm this problem and it is very annoying.
I'm using openSUSE Tumbleweed and the bug came in within the last 10 days.

> xinput list
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ ROCCAT ROCCAT Savu                        id=10   [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)]
    ↳ Power Button                              id=7    [slave  keyboard (3)]
    ↳ LITEON Technology USB Keyboard            id=8    [slave  keyboard (3)]
    ↳ LITEON Technology USB Keyboard            id=9    [slave  keyboard (3)]
    ↳ ROCCAT ROCCAT Savu                        id=11   [slave  keyboard (3)]
    ↳ Creative Technology Ltd Sound Blaster Tactic(3D) Alpha    id=12   [slave 
keyboard (3)]
    ↳ Eee PC WMI hotkeys                        id=13   [slave  keyboard (3)]
    ↳ ROCCAT ROCCAT Savu                        id=14   [slave  keyboard (3)]

> xinput list-props 10
Device 'ROCCAT ROCCAT Savu':
        Device Enabled (146):   1
        Coordinate Transformation Matrix (148): 1.000000, 0.000000, 0.000000,
0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
        libinput Accel Speed (285):     -0.500000
        libinput Accel Speed Default (286):     0.000000
        libinput Accel Profiles Available (287):        1, 1
        libinput Accel Profile Enabled (288):   1, 0
        libinput Accel Profile Enabled Default (289):   1, 0
        libinput Natural Scrolling Enabled (290):       0
        libinput Natural Scrolling Enabled Default (291):       0
        libinput Send Events Modes Available (269):     1, 0
        libinput Send Events Mode Enabled (270):        0, 0
        libinput Send Events Mode Enabled Default (271):        0, 0
        libinput Left Handed Enabled (292):     0
        libinput Left Handed Enabled Default (293):     0
        libinput Scroll Methods Available (294):        0, 0, 1
        libinput Scroll Method Enabled (295):   0, 0, 0
        libinput Scroll Method Enabled Default (296):   0, 0, 0
        libinput Button Scrolling Button (297): 2
        libinput Button Scrolling Button Default (298): 274
        libinput Middle Emulation Enabled (299):        0
        libinput Middle Emulation Enabled Default (300):        0
        Device Node (272):      "/dev/input/event7"
        Device Product ID (273):        7805, 11610
        libinput Drag Lock Buttons (301):       <no items>
        libinput Horizonal Scroll Enabled (274):        1

I can change the speed via 'xinput --set-prop 10 285 -0.5' as a workaround. Of
course it would be better to change this setting via the GUI.

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