https://bugs.kde.org/show_bug.cgi?id=470289
Bug ID: 470289
Summary: Pinch to Zoom on a touch screen changes page number
Classification: Applications
Product: okular
Version: 23.04.1
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: okular-devel@kde.org
Reporter: apanda...@gmail.com
Target Milestone: ---
Created attachment 159270
--> https://bugs.kde.org/attachment.cgi?id=159270&action=edit
Video showing Zoom In/Zoom Out changes page number
SUMMARY
Using Pinch to Zoom with two fingers on a touch screen computer changes the
page number of the document in addition to zooming. This happens for both
Zooming in and Zooming out.
STEPS TO REPRODUCE
1. Open a PDF/DJVU/any other document (with multiple pages) in Okular on a
touch screen computer
2. Try to zoom in/zoom out using two fingers
OBSERVED RESULT
In addition to Zooming in/out, Okular changes the page number
EXPECTED RESULT
Behavior should be identical to what happens when one presses the combination
"ctrl +" or "ctrl -". The document should be zoomed, but the page number should
not change.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux (all updates applied)
(available in About System)
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.106.0
Qt Version: 5.106.0
ADDITIONAL INFORMATION
The same bug is present in Okular 21.12.3 in Ubuntu MATE 22.04 running in
another touch screen laptop.
I am attaching a short screen record of the behavior when I zoom in/zoom out
using touch screen.
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