[Libreoffice-bugs] [Bug 128921] New: LibO 6.3.x contextual menu very slow with KDE5 vcl

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=128921

            Bug ID: 128921
           Summary: LibO 6.3.x contextual menu very slow with KDE5 vcl
           Product: LibreOffice
           Version: 6.3.3.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: UI
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: sergio.callegari at gmail.com

Description:
I'm using LibO 6.3.3.2 on a machine with a somehow outdated graphics card on a
Kubuntu linux 19.10 system (deb packages from TDF).

While the application is generally usable, the context menu is extremely slow.
When you move the mouse over it, there is a notable delay by which the
highlighted entry follows the mouse pointer. The regular (top of window) menus
in the menubar don't have this issue.

The slowlyness is present regardless of whether opengl rendering is enabled or
not.

Steps to Reproduce:
Open application (e.g. with a drawing), draw something, right click on some
element to get the contextual menu, move the highlighted line of the menu up
and down with the mouse.

Actual Results:
The highlighted entry lags after the mouse pointer.

Expected Results:
The highlighted entry should move almost instantaneously under the mouse


Reproducible: Always


User Profile Reset: No


OpenGL enabled: Yes

Additional Info:
[Information automatically included from LibreOffice]
Locale: en-US
Module: PresentationDocument
[Information guessed from browser]
OS: Linux (All)
OS is 64bit: yes

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