[Libreoffice-bugs] [Bug 125201] New: Scrolling down on Touchpad erratic (6.2.3.2 on Ubuntu 18.04)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=125201

            Bug ID: 125201
           Summary: Scrolling down on Touchpad erratic (6.2.3.2 on Ubuntu
                    18.04)
           Product: LibreOffice
           Version: 6.2.3.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: computer at cerb.de

Description:
Scrolling down with the touchpad on a Dell 9380 (2019 XPS 13 Developer Edition)
is very erratic. It will move down (sometime), but mostly it will just jump
around in an undesired fashion.

I read about this in other bug reports, there was claimed it had been fixed,
apparently this is not the case.

I have the following configuration:

Dell XPS 13 (9380) with Ubuntu 18.04 (Dev. Edition, came with Ubuntu). The
installed Libreoffice (6.0.7) had the problem, so decided to add the ppa and
install the lastest version from the fresh-ppa, this gave me 6.2.3.2.

The touchpad is configured to reverse scrolling (like on a MacBook) and I also
added these lines to a startup-script to smooth out scrolling in virtually all
of the other apps on the system, especially browsers:

xinput --set-prop 10 "Synaptics Finger" 70 90 257
xinput --set-prop 15 "Synaptics Finger" 70 90 257

xinput --set-prop 10 "Synaptics Scrolling Distance" -100 100
xinput --set-prop 15 "Synaptics Scrolling Distance" -100 100

This improved scrolling considerably. I doubt these are the reason for the
mishaps in Libreoffice, since scrolling up with the touchpad seems unaffected.

Scrolling with a mousewheel, as stated in other bug reports, works fine.




Steps to Reproduce:
1. open spreadsheet in calc
2. scroll using touchpad
3.

Actual Results:
Scrolling is erratic in down-direction, up is fine

Expected Results:
Scrolling should work as expected (smooth without erratic jumping around) in
both directions


Reproducible: Always


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:

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