https://bugs.kde.org/show_bug.cgi?id=427672
Bug ID: 427672
Summary: krunner is "janky" when loading new results / starting
with results already loaded
Product: krunner
Version: 5.19.90
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: alexander.loh...@gmx.de
Reporter: adam.m.fontenot+...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: ---
SUMMARY
This issue is rather hard to describe, but I've made a recording of it.
(Unfortunately I had to use a phone camera, recording in X doesn't work
properly.)
https://ipfs.io/ipfs/QmSLSkmnwsSyBVq8e9wgF8zuH74LFz43AWXYNLJ56jMpY2/krunner_jank.mp4
You can see from watching the video that there are several sources of visual
"jank". Step through the one starting at 9 seconds with me, frame by frame.
1. First the basic krunner menu appears.
2. "Colors - System Settings" appears (weird, it's not the thing that
ultimately gets highlighted)
3. Very briefly, the krunner menu gets shifted about an inch down the screen.
4. krunner gets shifted back to the top of the screen, and the full size menu
appears, but now a file (breeze-settings.svg) is selected. This is weird,
because it's an option halfway down the screen and krunner should definitely
know it won't be the default selection
5. The selection is (finally) updated to be the first menu choice, System
Settings.
Sometimes the scrollbar flashes on and then off too.
You can see different versions of these issues by stepping through the other
parts of the recording.
All of these issues are combined with some very fast repaints, which looks like
"flashing", which is already annoying even for me, possibly a serious problem
for someone with certain forms of epilepsy.
I'm almost certain it wasn't like this in 5.19. It's possible that krunner was
made faster than before with this new version, so now the repaints happen more
quickly so more "flashing" is noticeable.
SOFTWARE/OS VERSIONS
Linux: Arch Linux 5.9.0-arch1-1
KDE Plasma Version: 5.20.0 (no option for this in the version box yet)
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.1
HARDWARE
Intel HD Graphics 3000
Compositing enabled with OpenGL 3.1
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