https://bugs.kde.org/show_bug.cgi?id=474118
Bug ID: 474118
Summary: User space Virtual tablet - pressure and tilt not
working
Classification: Applications
Product: krita
Version: 5.1.5
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: Tablets (tablet issues are only very rarely bugs in
Krita!)
Assignee: krita-bugs-n...@kde.org
Reporter: fierceinbat...@gmail.com
Target Milestone: ---
I have project that uses evdev and its uinput component to create a virtual
copy of my
Boox Note Air 2 (tablet with stylus digitizer). It just takes directly the
kernel evedev
config from the android device and creates a user space copy on my pc, then any
events emitted are
just proxied through adb (Android debug bridge).
Anyway, this works on wayland and x11 and the pressure sensitivity and tilt its
emitted properly when running
evtest/libinput test. It also works on gimp.
STEPS TO REPRODUCE
1. Install my driver https://github.com/leath-dub/vboox
2. Run it when your Note Air 2 is connected
OBSERVED RESULT
Observe tilt and pressure sens not detected on krita (test tool + varies
brushes)
EXPECTED RESULT
It should work as even libinput (not configured) can detect the tilt.
SOFTWARE/OS VERSIONS
Linux/bspwm (also tested kde and hyprland):
ADDITIONAL INFORMATION
I am raising this kinda as I did superficial digging to see how you handle
linux tablets,
but could find the code. Also not sure why the docs dont cover linux tablets at
all.
I am wondering what you are using for fetching the device events. i know that
this is not easily
reproduced on your guys end so I am mostly reaching out as a dev to see how I
can
add support for my user space driver.
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