https://bugs.kde.org/show_bug.cgi?id=511973
Bug ID: 511973
Summary: Plasma Automatic Theme Switching from Day to Night is
Too Late
Classification: Plasma
Product: plasmashell
Version First 6.5.1
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Day/night schedule
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
SUMMARY
The current way that the day/night cycle is implemented is a bit too slow. What
I mean by that is that, it waits until sundown is complete rather than starting
when sundown starts (or going somewhere in the middle).
STEPS TO REPRODUCE
1. Set Plasma to use an automatic day/night theme
2. Adjust the day/night cycle to your lat/log coordinates
3. Wait until evening
OBSERVED RESULT
- Plasma waits until the sun is completely set before switching themes.
- In the day/night cycle settings Plasma displays the time for the start of
sunset (which is not the time it switches to the night theme).
EXPECTED RESULT
- Plasma waits until about half way through sunset to switch themes.
- In the day/night cycle settings Plasma displays the time it is going to
switch themes.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 43
KDE Plasma Version: 6.5.2
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
Kernel Version: 6.17.7-300.fc43.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 32 × AMD Ryzen 9 7950X 16-Core Processor
Memory: 64 GiB of RAM (61.9 GiB usable)
Graphics Processor 1: AMD Radeon RX 7900 XTX
Graphics Processor 2: AMD Ryzen 9 7950X 16-Core Processor
Manufacturer: ASUS
ADDITIONAL INFORMATION
This could potentially be resolved by adding options like "start at sunset,
start after sunset, start X minutes before sunset." However, projecting my own
use case ... I want the dark theme to be enabled so that Plasma isn't so hard
on my eyes at night and so that it's easy to read in the daylight. So, about
half way through sunrise and sunset seems like a more reasonable position to
take.
My room was effectively near complete darkness even though the sun hadn't fully
set and plasma (plus all of my apps waiting on the hint from Plasma) were still
a very bright white.
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