Bug 484319 - VLC (Qt5) window resizing not working
Summary: VLC (Qt5) window resizing not working
Status: REPORTED
Alias: None
Product: kwin
Classification: Plasma
Component: compositing (other bugs)
Version First Reported In: 6.0.2
Platform: Other Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2024-03-23 12:59 UTC by Guo Yunhe
Modified: 2024-03-23 14:07 UTC (History)
0 users

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Description Guo Yunhe 2024-03-23 12:59:46 UTC 
SUMMARY
VLC (Qt5) window resizing not working sometimes. This is only observed in Qt5 apps like VLC, in KDE 6. Qt6 apps seem fine. VLC also works fine in other desktop/wm, like IceWM.

STEPS TO REPRODUCE
1. Open VLC (Qt5)
2. Resize the window quickly (as shown in the attached video)

OBSERVED RESULT
At some point, VLC window stop following your mouse cursor and stop resizing

EXPECTED RESULT
VLC window should always follow mouse cursor and resize as you control it

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20240321
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
Kernel Version: 6.8.1-1-default (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600X 6-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7C94
System Version: 1.0

ADDITIONAL INFORMATION
VLC(Qt5) window resize works in other desktop/wm, like IceWM.
Comment 1 Guo Yunhe 2024-03-23 13:04:06 UTC 
Screen recording of mine on openSUSE Tumbleweed: https://youtu.be/pluJ0EEBmX8
Comment 2 Guo Yunhe 2024-03-23 14:07:16 UTC 
Another screen record from an Arch Linux user https://www.youtube.com/shorts/dM9k4RbjQz0