[okular] [Bug 499458] New: Screen motion is laggy when scrolling really fast

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=499458

            Bug ID: 499458
           Summary: Screen motion is laggy when scrolling really fast
    Classification: Applications
           Product: okular
           Version: 23.08.1
          Platform: Microsoft Windows
                OS: Microsoft Windows
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: jpotapski at gmail.com
  Target Milestone: ---

SUMMARY
When scrolling really fast in Okular PDF view, the screen moves much slower
than it should.


STEPS TO REPRODUCE
1. Have a mouse with a free floating scroll wheel (Logitech G502).
2. Flick the mouse wheel to scroll a few pages at a time.


OBSERVED RESULT
Screen moves slower than if you were to scroll normally and/or is really laggy.


EXPECTED RESULT
The screen movement should be directly correlated to the mouse wheel movement.


SOFTWARE/OS VERSIONS
Windows: Windows 11 Pro
Version:        24H2
Installed on:   ‎06/‎11/‎2024
OS build:       26100.3037
Experience:     Windows Feature Experience Pack 1000.26100.48.0


ADDITIONAL INFORMATION
Here's a video comparing Okular to Google Chrome's PDF viewer. Both times I'm
using the same mouse wheel motion:
https://youtu.be/GRwFyHp-nco

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