https://bugs.kde.org/show_bug.cgi?id=490119
Bug ID: 490119
Summary: With fractional scaling, grabbing to resize a panel
element's dropdown menu causes it to jump when grabbed
and jump slightly when it is resized
Classification: Plasma
Product: plasmashell
Version: 6.1.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: eamonn...@protonmail.com
CC: niccolo.venera...@gmail.com
Target Milestone: 1.0
SUMMARY
With at least some fractional scale factors (such as 145%), when you click on a
panel element (such as network settings, etc) to show its dropdown menu,
grabbing to resize the panel will cause it to jump very slightly. In my case
with a panel at the top of the screen, with a panel element to the right of the
panel, the dropdown menu jumps slightly to the left.
When moving on to resize the panel, it will jump a very small amount as well.
This is differeent to what is experienced when resizing quickly and having the
*contents* jump around while it adjusts to the new size, this is about the
dropdown itself jumping around a pixel or two.
I mention fractional scaling because I am aware there have been, I believe,
some rounding issues that cause this sort of behaviour (such as Bug 489016).
STEPS TO REPRODUCE
1. Have a fractional scale factor (unsure at time of writing if it is required
for reproducing the problem)
2. Open a panel element's dropdown menu (such as network settings)
3. Click to begin resizing the dropdown
4. When "grabbed" after being clicked, the dropdown itself will shift very
slightly in some direction; for me, it is to the left, but this could vary
depending on panel location and the location of the panel element.
OBSERVED RESULT
Panel element jumps very slightly when being grabbed. It continues to jump
around after being resized.
EXPECTED RESULT
Panel content location should not jump like this.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 6.9.8 Linux Zen
KDE Plasma Version: 6.1.2
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
Extremely minor issue but could help iron out any fractional scaling rounding
issues.
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