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@kde.org
Reporter: jpotap...@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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