Bug 480608

Summary:	Windows are not transparent with transparent colors with Breeze theme
Product:	[Plasma] Breeze	Reporter:	Petar Nedyalkov <shakerbg>
Component:	QStyle	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	CONFIRMED ---
Severity:	normal	CC:	dashonwwIII, duha.bugs, nate, noahadvs, the_archer_xz, uhhadd
Priority:	NOR	Keywords:	regression
Version:	master
Target Milestone:	---
Platform:	openSUSE
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description Petar Nedyalkov 2024-01-31 16:36:07 UTC

SUMMARY
Windows are not transparent with transparent colors when we use Breeze theme for window decoration and applications style. The issue is reproducible on both X11 and Wayland

PREREQUISITE:
Before follow the steps, please install the following color scheme -> https://store.kde.org/p/1972214

STEPS TO REPRODUCE
1. Go to the "System Settings" -> Colors & Themes -> Colors
2. Choose "Alpha" color theme.
3. Apply it.
4. Observe.

OBSERVED RESULT
Windows are not transparent with transparent colors with Breeze theme

EXPECTED RESULT
Windows are  transparent with transparent colors with Breeze theme

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20240128
KDE Plasma Version: 6.0.80
KDE Frameworks Version: 5.249.0
Qt Version: 6.6.1
Kernel Version: 6.7.1-2-default (64-bit)
Graphics Platform: X11
Processors: 12 × Intel® Core™ i7-9750H CPU @ 2.60GHz
Memory: 15,5 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 2060/PCIe/SSE2
Manufacturer: LENOVO
Product Name: 81Q4
System Version: LENOVO LEGION Y540-17IRH

ADDITIONAL INFORMATION
The same issue occurs on Plasma 6.0 RC2 as well.

SCREENSHOT:
https://i.imgur.com/KVMwbeW.png

Comment 1 Nate Graham 2024-02-01 20:53:22 UTC

Did this ever work in the past? If so, when?

Comment 2 Petar Nedyalkov 2024-02-06 17:17:50 UTC

Hello Nate,
Excuse me for the late reply. It has worked on Plasma 5, but for some KDE applications like "System Settings (Icon only)" , Konsole, Dolphin, etc.

Comment 3 duha.bugs 2024-02-25 09:58:56 UTC

Since this is a 3rd party addon and there have been breaking changes to plasma 6, I think this addon (or the Lightly addon this depends on) needs to be ported to Plasma 6.

Please reach out the the authors of your 3rd party addons.

Comment 4 Nate Graham 2024-02-26 17:56:21 UTC

The issue here is that the 3rd-party theme broke in Plasma 6 because the ability to have a a color scheme with transparent colors broke.

Comment 5 Nate Graham 2024-03-05 21:34:38 UTC

*** Bug 482460 has been marked as a duplicate of this bug. ***