Bug 462257

Summary:	Kate has graphical glitches when using HTML preview
Product:	[Applications] kate	Reporter:	Ondřej Mach <ondrej.mach>
Component:	plugin-preview	Assignee:	KWrite Developers <kwrite-bugs-null>
Status:	RESOLVED UNMAINTAINED
Severity:	normal	CC:	christoph
Priority:	NOR
Version First Reported In:	22.08.2
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Ondřej Mach 2022-11-26 08:19:35 UTC

SUMMARY
After turning on graphical preview of HTML file, the whole Kate GUI becomes glitchy. The GUI remains glitchy after the preview is closed. Kate needs to be restarted in oreder to fix it.
Possibly wayland related.


STEPS TO REPRODUCE
1. Open HTML file in kate (minimal HTML with some text is sufficient)
2. Open the preview

OBSERVED RESULT
Text edit box in kate is glitching when selecting or writing text.
The rest of the kate GUI is also affected.

EXPECTED RESULT
No graphical glitches

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 37
KDE Plasma Version: 5.26.3
KDE Frameworks Version: 5.100.0
Qt Version: 5.15.7
Kernel Version: 6.0.9-300.fc37.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × 11th Gen Intel® Core™ i7-1185G7 @ 3.00GHz
Memory: 31.1 GiB of RAM
Graphics Processor: Mesa Intel® Xe Graphics
Manufacturer: LENOVO
Product Name: 20WNS1F81R
System Version: ThinkPad T14s Gen 2i

Comment 1 Christoph Cullmann 2023-12-28 20:48:46 UTC

The preview plugin is not maintained, if you want to have this improved, please
submit a merge request, otherwise that will stay the way it is at the moment.

https://kate-editor.org/join-us/

I am sorry that does create issues for you, but the only other fix would be to remove it.