[dolphin] [Bug 448224] New: Main menu position drawn in wrong place (Wayland only)

[Holger]

https://bugs.kde.org/show_bug.cgi?id=448224

            Bug ID: 448224
           Summary: Main menu position drawn in wrong place (Wayland only)
           Product: dolphin
           Version: 21.08.1
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: private_lock at yahoo.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY

Clicking on the hamburger-icon, the main menu might not appear at all or be
drawn in the wrong position

STEPS TO REPRODUCE
1. Open main menu
2. Move the mouse to open/close different sub-menus and sub-sub-menus

OBSERVED RESULT

Sometimes the main-menu is put aligned to the left of the screen (or completely
offscreen), though the hamburger-button and the mouse is to the right of the
screen. Moving the mouse in the "supposed" ghost position under the hamburger
button on the right triggers the row highlight to follow on the left up and
down.

Sub-menus can be popped up from the invisible ghost to their regular position,
neatly aligning to its supposed outline. Even if the main menu is visible at
first and correctly drawn, it might suddenly disappear after hovering sub-menus
and sub-sub-menus.

EXPECTED RESULT

The menu should draw in a fixed position relative to the hamburger-button.

SOFTWARE/OS VERSIONS

Betriebssystem: Kubuntu 21.10
KDE-Plasma-Version: 5.22.5
KDE-Frameworks-Version: 5.86.0
Qt-Version: 5.15.2
Kernel-Version: 5.13.0-23-generic (64-bit)
Grafik-Plattform: X11
Prozessoren: 8 × Intel® Core™ i7-4700MQ CPU @ 2.40GHz
Speicher: 15,5 GiB Arbeitsspeicher
Grafikprozessor: Mesa DRI Intel® HD Graphics 4600

ADDITIONAL INFORMATION

Only seen this under new experimental Wayland. Does not happen in X11. This is
a clean user-profile created today, to triage another bug.

Cannot say, if this affects sub-menus themselves, as they mostly don't have
sub-sub-menus to play with.
Cannot say, if this affects programs other than the Dolphin main-menu.

Could not take a screenshot, as the open menu prevents the printscreen-hotkey.
On aborting the menu resets and shows normally - no second chance of a
timetriggered screenshot either.

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