https://bugs.kde.org/show_bug.cgi?id=412301
Bug ID: 412301
Summary: Modifying settings for touchpad using system settings
have no effect on touchpad.
Product: Touchpad-KCM
Version: unspecified
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm
Assignee: atulbish...@gmail.com
Reporter: kdem...@jeo.net
Target Milestone: ---
SUMMARY. Modifying settings for touchpad using KDE system settings have no
effect on the touchpad.
STEPS TO REPRODUCE
1. Start KDE system touchpad management window
2a. xinput --list-props 19 | grep Accel
2b. xinput --list-props 13 | grep Accel
3. Try to change things in GUI
4. Notice most things are greyed out, mouse seems unaffected on the
acceleration.
5a. xinput --list-props 19 | grep Accel
5b. xinput --list-props 13 | grep Accel
OBSERVED RESULT
device 19 settings change, but touchpad behavior does not.
EXPECTED RESULT
Mouse sensitivity/acceleration changes.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 19.04
KDE Plasma Version: 5.15.4
KDE Frameworks Version: 5.56.0
Qt Version: 5.12.2
Kernel Version: 5.0.0-29-generic
OS Type: 64-bit
Hardware: Laptop = HP Zbook X360 G5
ADDITIONAL INFORMATION
There are TWO Touchpads listed when one runs "xinput --list --short"
$ xinput --list --short
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=19 [slave pointer (2)]
⎜ ↳ SYNA307B:00 06CB:CD46 Touchpad id=13 [slave pointer (2)]
⎜ ↳ Wacom HID 48DD Pen stylus id=14 [slave pointer (2)]
⎜ ↳ Wacom HID 48DD Pen eraser id=15 [slave pointer (2)]
⎜ ↳ Wacom HID 48DD Finger id=22 [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)]
↳ Video Bus id=8 [slave keyboard (3)]
↳ Power Button id=9 [slave keyboard (3)]
↳ Sleep Button id=10 [slave keyboard (3)]
↳ HP HD Camera: HP HD Camera id=11 [slave keyboard (3)]
↳ HP HD Camera: HP IR Camera id=12 [slave keyboard (3)]
↳ Intel HID events id=16 [slave keyboard (3)]
↳ Intel HID 5 button array id=17 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=18 [slave keyboard (3)]
↳ HP Wireless hotkeys id=20 [slave keyboard (3)]
↳ HP WMI hotkeys id=21 [slave keyboard (3)]
↳ HP Active Pen G2 Keyboard id=23 [slave keyboard (3)]
It appears that the touchpad modification system in KDE only changes id=19. But
ID=13 is the one that affects the touchpad.
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