https://bugs.kde.org/show_bug.cgi?id=437046
Bug ID: 437046
Summary: Flickering at the bottom of the window after finding
text
Product: kate
Version: 20.12.3
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: application
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
STEPS TO REPRODUCE
1. Open a text file that is at least big enough to exceed the height of the
screen (or of the Kate window)
2. Hit ctrl+F and type a string that occurs several times in the text file
3. Hit F3 to find next
OBSERVED RESULT
At some point it will almost certainly happen that the next occurrence of the
string is outside of the current window, and therefore Kate will scroll just
enough so that it gets inside of the current window, and it will be close to
the bottom of the window. So far so good.
Very often, it happens at this point that the bottom part of the window starts
flickering randomly. At short irregular intervals of time, it alternates
between viewing what is expected, and viewing another unrelated portion of the
text. However, it's not as if the whole window was scrolling up and down, it's
as if only a portion of the bottom part of the window was.
I hope this explains what happens. I can't take a screencast because as soon as
I take focus away from Kate the issue stops.
The workaround is to scroll up and down, or switch to another window and back
to Kate. Basically any interaction with the window will stop the flickering.
EXPECTED RESULT
This obviously shouldn't happen.
Operating System: openSUSE Tumbleweed 20210414
KDE Plasma Version: 5.21.4
KDE Frameworks Version: 5.81.0
Qt Version: 5.15.2
Kernel Version: 5.11.12-1-default
OS Type: 64-bit
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-1065G7 CPU @ 1.30GHz
Memory: 7.3 GiB of RAM
Graphics Processor: Mesa DRI Intel® Iris® Plus Graphics
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