https://bugs.kde.org/show_bug.cgi?id=512325
Bug ID: 512325
Summary: “Hold down middle button and move mouse to scroll”
should allow user to specify button
Classification: Applications
Product: systemsettings
Version First 6.5.1
Reported In:
Platform: CachyOS
OS: Linux
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: kcm_mouse
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: ---
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SUMMARY
I use an Elecom HUGE trackball and, in most of my OS setups, I map its Fn3
button (xinput button 12) to enable using the ball as a two-dimensional scroll
wheel. However, there is no way to do this in a Wayland-based KDE setup. I can
set the middle mouse button to enable ball scroll mode when held, but then it
uses its usual function as the middle mouse button, which is a show-stopper for
me.
STEPS TO REPRODUCE
1. Attempt to run the xinput commands to set up button 12 as a ball scroll
button
2. Look around in the System Settings menu for relevant options
3. Give up or sacrifice your middle mouse button to ball scroll mode
OBSERVED RESULT
The only way I can set up ball scroll mode in KDE under Wayland is to sacrifice
my middle mouse button.
EXPECTED RESULT
There's a way to use any button I want as the ball scroll button in KDE under
Wayland.
SOFTWARE/OS VERSIONS
Linux: 6.17.7-5
KDE Plasma Version: 6.5.2-1.1
KDE Frameworks Version: 6.19.0-1.1
Qt Version: 6.10.0-3
ADDITIONAL INFORMATION
This could also be a boon to accessibility users, as a trackball is larger and
easier to manipulate than a scroll wheel or its underlying middle mouse button.
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