Bug 512495

Summary:	Stylus side buttons are swapped in Chromium (Wayland)
Product:	[Applications] systemsettings	Reporter:	Tyson Tan <tysontanx>
Component:	kcm_tablet	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED UPSTREAM
Severity:	normal	CC:	aleixpol, josh, kde
Priority:	NOR
Version First Reported In:	6.3.6
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Tyson Tan 2025-11-23 02:20:53 UTC

SUMMARY
In a Wayland session, the side buttons of a graphics tablet stylus are swapped in Chromium. I use the default arrangement: Lower button for Right-click, Upper button for Middle-click. Things work as intended in pretty much everything except Chromium -- it becomes Lower button for Middle-click, Upper button for Right-click for some reason.

I'm reporting this based on a Huion Kamvas 16 Gen 3 with Opentabletdriver. I will attach more information with Wacom devices with linuxwacom in later comments.

STEPS TO REPRODUCE
1. Login to a Wayland session
2. Click on desktop using the stylus buttons
3. Click in Chromium using the stylus buttons

OBSERVED RESULT
The functions of the side buttons are swapped only in Chromium.

EXPECTED RESULT
The functions of the side buttons are the same as in other places.

SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux 
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.18.0
Qt Version: 6.9.2
Kernel Version: 6.17.1-0-MANJARO (64-bit)
Graphics Platform: Wayland

Comment 1 Tyson Tan 2025-11-23 02:28:26 UTC

Same problem happens with Wacom One 13 Touch with linuxwacom driver. So it is not hardware/driver related.

Comment 2 David Edmundson 2025-11-24 10:23:59 UTC

Can you report this to Chrome please and then link back here. It doesn't sound like there's an issue our end.

Comment 3 Tyson Tan 2025-12-13 13:15:32 UTC

Reported to Chromium: https://issues.chromium.org/issues/468458732