[okular] [Bug 429197] New: Pinch to zoom is broken. It moves the pdf away from the point where I'm zooming.

[Mina]

https://bugs.kde.org/show_bug.cgi?id=429197

            Bug ID: 429197
           Summary: Pinch to zoom is broken. It moves the pdf away from
                    the point where I'm zooming.
           Product: okular
           Version: 1.11.2
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: 842mono at gmail.com
  Target Milestone: ---

SUMMARY
After an upgrade to Okular, pinch to zoom (using the touch screen) doesn't work
correctly. It moves the pdf away from the point where I'm zooming. It moves it
relative to the top left I believe.

This wasn't broken in previous versions of Okular. I don't have the exact
version numbers, but this started happening after I did the rebase upgrade of
my KDE neon from 18.04 to 20.04. So in 18.04 neon, this didn't happen. In 20.04
neon this happens.

STEPS TO REPRODUCE
1. Pinch to zoom in any pdf.
2. 
3. 

OBSERVED RESULT
Zooming pans the pdf away from the point where I'm zooming.

EXPECTED RESULT
Zooming should work and doesn't pan the pdf while zooming


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: KDE neon 5.20
(available in About System)
KDE Plasma Version: 5.20.1
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.0

ADDITIONAL INFORMATION

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