[kde] [Bug 482784] New: Plastik window decorations cause: window titlebars to loose color definition and location visibility (greyed out) after suspend/unsuspend.

[panorain]

https://bugs.kde.org/show_bug.cgi?id=482784

            Bug ID: 482784
           Summary: Plastik window decorations cause: window titlebars to
                    loose color definition and location visibility (greyed
                    out) after suspend/unsuspend.
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: openSUSE
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: pj.world at gmx.com
  Target Milestone: ---

Created attachment 166649
  --> https://bugs.kde.org/attachment.cgi?id=166649&action=edit
Greyed-Dolphin-Titlebar-After-Unsuspend-0

NOTE: See *Update:* section below in this report for updated and current
workaround implemented here. 

Initial Problem:

I have a fully updated 64 bit openSUSE Tumbleweed installed. Even before the
latest snapshot this was happening. I notice that after suspend/unsuspend the
preexisting titlebars (Dolphin instance, KeepassXC instance and Firefox
instances etc. That the titlebar color has turned to greyed state (on all the
open preexisting application windows) with the specific applications Titlebar
information being nearly illegible (slightly more greyed than the rest of the
titlebar). 

Currently the system here is set for Global Theme openSUSE, Application Style
is set to Breeze, Plasma style is set to openSUSE Follows color scheme. Colors
are set to Breeze Classic and Window Decorations are set to Plastik. These
settings are confirmed (static) and have been applied for some time between
powercycles.

Newly opened windows (after unsuspending *OR* freshly booted) open with a fully
legible and colored titlebar, labeled with easy to read location indicator on
the upper left of the titlebar. I have attached a snapshot of an afflicted
Dolphin instance to this message.




If this is not a bug how can I fix this problem? Do you think this could be
related to the actual Nvidia driver itself? Or possibly the video card?


Update:

After unsuspending the system and experiencing the issue. System Settings ->
Window Decorations -> Select 'breeze' apply settings. <- Colors reappear.
Changing application window size (middle button, far right of titlebar) no
longer causes characacter size to change either.
Switching back to Plastik works fine. Until next suspend/unsuspend cycle is
performed. 

Using *only* the Breeze window decoration does not appear to have this issue at
all.   

STEPS TO REPRODUCE
1. Suspend then Unsuspend the machine. Sleep/Unsleep machine into onboard
memory.


OBSERVED RESULT
Greyed out and almost illegible window titlebar display information.

EXPECTED RESULT
Legible and colored window titlebars. Able to change size without crashing the
window when attempting to resize.

SOFTWARE/OS VERSIONS
Linux: openSUSE Tumbleweed
KDE Plasma Version:  5.27.10
KDE Frameworks version = 5.115.0 
Kernel Version = 6.7.7-1-default (64-bit)
Graphics Platform = X11
Qt Version: 5.15.12

ADDITIONAL INFORMATION
For now the workaround is to *USE* only the (available by default) Breeze
window decorations as the Plastik window decorations seem to be very
problematic.

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