https://bugs.kde.org/show_bug.cgi?id=407750
Bug ID: 407750
Summary: panel will not autohide on multi-monitor internal
struts, works fine on external struts
Product: plasmashell
Version: master
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: 1i5t5.dun...@cox.net
Target Milestone: 1.0
On live-git (via gentoo/kde overlay live-git ebuilds) but the bug has been
around for a few months now. Currently on qt-5.12.2 but I believe it triggered
on qt-5.11 as well. This may or may not be a dup of bug #401168. I can test
proposed fixes within a few days.
This applies to plasma on X, with multiple monitors. My monitor layout is like
this (ascii-art works best with monospace fonts):
1
+--------+
2| 2160p |3
5 | pri |
+----+--------+
6| |7 4 -> 1080p video/secondary
+----+
8
If that doesn't display correctly, here's the setup from xrandr:
HDMI-A-0 connected primary 3840x2160+1920+0
DisplayPort-0 connected 1920x1080+0+2160
So the primary is 4K with the top-left corner at 1920,0, with the secondary FHD
diagonally to the left and below, top-left corner at 0,2160.
Edges 1,3,6,8 are at the external edge of the bounding rectangle (aka external
struts), and an autohide panel placed on them works just fine.
Edges 2,4,5,7 are internal to the bounding rectangle (aka internal struts), and
an autohide panel placed on them doesn't work. The panel stays visible and
over top any windows in the same area.
On the broken edges, hovering the pointer over the panel and then exiting does
trigger an autohide, but the panel immediately pops back out, above other
windows, as if the pointer had hit the trigger area again, despite actually
being nowhere near it.
Unfortunately, I want my panel on a broken internal-strut edge, #4, and it
won't stay hidden there at all! =:^(
Fortunately, the clue that it works on external-strut edges, but breaks on
internal-strut edges, should help pin down the bug, and the fact that I'm on
live-git and can rebuild with test patches and report results within a few days
should help as well. =:^)
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