[kde] [Bug 409847] New: Enhancement: Accessibility - Add optional On-Demand two-finger scrolling for touchpads

[Joe]

https://bugs.kde.org/show_bug.cgi?id=409847

            Bug ID: 409847
           Summary: Enhancement: Accessibility - Add optional On-Demand
                    two-finger scrolling for touchpads
           Product: kde
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: wishlist
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: josephj at main.nc.us
  Target Milestone: ---

SUMMARY
Add a touchpad configuration option that only enables touchpad two-finger
scrolling when a modifier key is being pressed. This should not impact other
touchpad functionality - just two-finger scrolling.

I have described this in detail, including why I need it here:
https://forum.kde.org/viewtopic.php?f=216&t=155524

Thus option would dramatically improve my user experience. The current problem
occurs several times every hour and disrupts my work flow.

OBSERVED RESULT
Unintentional touchpad scrolling occurs frequently which is very frustrating

EXPECTED RESULT
Touchpad continues to work normally, but only scrolls when I explicitly want it
to (by holding down a fixed or configurable modifier key such as Alt, Ctrl, or
Super. and using two-finger scrolling)

SOFTWARE/OS VERSIONS Any, but I currently use kubuntu 18.04.
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

I have two partially numb fingers on my right hand and I don't feel them
touching the touchpad until it's too late and my screen goes careening off to
multiple other desktops or window positions I did not want.

Two-finger scrolling is a great feature. I do not want to eliminate it. I just
want to eliminate unintentional scrolling.

Other relevant issues (not duplicates):
391551
369426

Since System Settings already has options for configuring two-finger scrolling,
some of the infrastructure required for this feature is already implemented.

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