[okular] [Bug 443404] Mousewheel scroll does not work in full page size and non-continous mode for some mouses

Zack bugzilla_noreply at kde.org
Wed Jul 6 13:27:04 BST 2022


https://bugs.kde.org/show_bug.cgi?id=443404

Zack <smallmak113 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |smallmak113 at gmail.com

--- Comment #10 from Zack <smallmak113 at gmail.com> ---
Same problem on my machine using Kubuntu 22.04 stock version or latest flatpak
22.04.02 version of Okula on my M720 and MX Master 3
The problem happens if the mouse is configured using libinput. And I could
scroll pages if I scroll the mouse wheel really fast, but impossible to control
like kioftes described.
If the mouse is configured using evdev, the scroll works as expected. It
scrolls one page per one mouse scroll click. But by switching to evdev I lost
the high resolution scroll capability for the whole desktop environment.
I guess this problem may be related to high resolution scroll handling.

Here is how I switch the mouse to use evdev.
Add the following lines to /etc/X11/xorg.conf
----- start here -----
Section "InputClass"
    Identifier "evdev-mouse"
    MatchIsPointer "yes"
    Driver "evdev"
EndSection
------ end here -----

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