Bug 452136

Summary: [Wayland] Mouse options combobox contains devices other than the mouse
Product: [Applications] systemsettings Reporter: pete <hayyash>
Component: kcm_mouseAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: normal CC: bugseforuns, kde, nate, p.r.worrall
Priority: NOR Keywords: usability, wayland-only
Version First Reported In: 5.24.4   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description pete 2022-04-01 03:28:39 UTC 
SUMMARY
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***


STEPS TO REPRODUCE
1. Plug in single mouse
2. Start Wayland Session
3. Check device combobox under System Settings-->Input Devices-->Mouse

OBSERVED RESULT
Shows three options, one of which is my mouse. If options other than the mouse are selected, the sliders/options have no effect. By default, an unknown USB device was selected.

EXPECTED RESULT
Combo box should only contain one option unless more than one mouse is plugged in.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 5.17.1.arch1-1
(available in About System)
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.3

ADDITIONAL INFORMATION
I have seen something similar on XFCE in their libinput options screen in the past so I don't know if its actually a KDE-specific issue. I initially made a bug report assuming the sliders simply weren't working (https://bugs.kde.org/show_bug.cgi?id=451296) only to be told (thanks Nate!) that there's a combobox in Wayland when there wasn't in X11. My combo box contains three options: "SONiX USB Device" (this was the default), "Wing Tech Xtrfy M42" (the one that works), and "Wing Tech Xtrfy M42 Keyboard". The mouses' actual name is the Xtrfy M42.
Comment 1 Paul Worrall 2022-04-01 08:28:06 UTC 
I see this too:  the combo box lists the keyboard as well as the mouse.  Using lshw, the two devices are reported thus:

              *-usb:0
                   description: Keyboard
                   product: USB Keyboard
                   vendor: SEM
                   physical id: 4
                   bus info: usb@4:4
                   version: 1.10
                   capabilities: usb-1.10
                   configuration: driver=usbhid maxpower=98mA speed=2Mbit/s
              *-usb:1
                   description: Mouse
                   product: HP USB Optical Mouse
                   vendor: PixArt
                   physical id: 5
                   bus info: usb@4:5
                   version: 1.00
                   capabilities: usb-2.00
                   configuration: driver=usbhid maxpower=100mA speed=2Mbit/s
Comment 2 Nate Graham 2022-04-01 19:45:01 UTC 
Can confirm. It almost seems like each physical pointing devices gets two logical ones listed in the combobox.
Comment 3 Patrick Silva 2022-10-29 14:23:48 UTC 
touchscreen is also detected as mouse, see bug 428520
Comment 4 Patrick Silva 2022-10-29 15:43:53 UTC 

*** This bug has been marked as a duplicate of bug 437245 ***