https://bugs.kde.org/show_bug.cgi?id=444737
Bug ID: 444737
Summary: Using "mousewheel scroll" for continuous titlebar
actions is too fast
Product: kwin
Version: 5.22.5
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: effects-window-management
Assignee: kwin-bugs-n...@kde.org
Reporter: berkantgulte...@tutanota.com
Target Milestone: ---
Issue can be seen either while using mouse, or trackpad. However, while using
trackpad's two fingers scrolling it is more severe.
Example can be seen here:
https://i.imgur.com/1Fsa4Kc.gif
Screen recorder didn't capture my cursor, but cursor is actually on titlebar.
STEPS TO REPRODUCE
1. Set "Window Management > Window Behavior > Titlebar Actions > Mouse wheel"
to "Move to previous/next desktop"
2. Hover your cursor on titlebar of a window, scroll
3. Desktop switches too fast, it is unusable/untrackable.
SOFTWARE/OS VERSIONS
Manjaro KDE / 5.14.10-1-MANJARO
Graphics Platform: Wayland
KDE Plasma Version: 5.22.5
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.2
EXPECTED RESULT
When mousewheel is triggered on window titlebar, move the window to the next
desktop; stop recognizing the gesture for a little then start recognizing
again.
Or; scrolling on pager plasmoid widget and changing desktops that way is quite
usable. It can be like that.
ADDITIONAL INFORMATION
I am using jafd's libinput fork for three finger drag support for trackpad.
https://github.com/jafd/xorg-xf86-input-libinput
I am not sure if this causes the problem because I can reproduce the bug with
an external mouse. Yet as I said, with trackpad, it is more severe.
There is similar problem if you set your Titlebar Action: Mousewheel to Change
opacity. I think problem is about continuous actions.
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