https://bugs.kde.org/show_bug.cgi?id=410698

            Bug ID: 410698
           Summary: Pan/zoom/rotate with trackpad gestures doesn't work
                    correctly
           Product: krita
           Version: 4.2.5
          Platform: macOS Disk Images
                OS: macOS
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Shortcuts and Canvas Input Settings
          Assignee: krita-bugs-n...@kde.org
          Reporter: mkam...@gmail.com
  Target Milestone: ---

SUMMARY
When using one of the two-finger gestures (in MacOS - pinch to zoom, swipe to
pan etc.), the canvas reacts as if all the gestures have been made at the same
time.

STEPS TO REPRODUCE
1. Open a document
2. Use a two finger gesture on the canvas (i.e. two finger-swipe for panning,
pinch to zoom and two finger rotate - default gestures in MacOS)

OBSERVED RESULT
Instead of the expected effect of one gesture (i.e. panning), the canvas reacts
as if all the gestures have been made at the same time - when I pan with two
finers swipe, the canvas pans, zooms and rotates at the same time. There is
some lagging as well - that is, the movement of the canvas continues even when
I stop moving my fingers.

EXPECTED RESULT
The expected result of the gesture - panning when I swipe, zooming when I
pinch, rotating when I rotate.

SOFTWARE/OS VERSIONS
Windows: 
macOS: Mac OS X 10.14.6
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION
I tested this behavior on my MacBookPro's trackpad, as well as on an external
Apple trackpad.
This erratic behavior is new as of version 4.2.4 of Krita and is still present
in 4.2.5.
It wasn't there in 4.2.3.

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