https://bugs.kde.org/show_bug.cgi?id=388630

            Bug ID: 388630
           Summary: current menu selection highlight graphical error
           Product: plasmashell
           Version: master
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: ray3224...@gmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

I've never filed a bug report, I'm just a guy trying to learn linux and
programming in general. I'm going to describe this as simply as possible. If
you right click on the desktop, you get a menu, right? As you move the mouse
within this menu, a blue box highlights whatever menu item your cursor is
currently hovering over. I'm going to refer to the "blue box" as "current menu
selection highlight". The bug is in whatever process controls "current menu
selection highlight". The "current menu selection highlight" starts "bleeding"
the blue "highlight" over other menu items in a blocky, pixelated, flashing
manner. Two additional aspects of this bug, 1) it is not limited to that menu.
It also happens on application toolbars, and dropdowns with varying degrees of
severity. It does not happen on the main KDE application selection menu. 2) It
does not happen at all if I have a video playing in-browser (simply playing
something on youtube). Yes. I can right click desktop, etc, and "current menu
selection highlight" does not have any graphical abnormalities so long as there
is a video playing in a tab in an open browser window, even if that tab is NOT
currently the selected (displayed) tab. I thought it was my graphics card. As
best I can tell at this point - it is not.

My Computer and Platform info
Dell T1500, Nvidia 1050 card. HITACHI HDD (WINDOWS 10); PNY SSD (PARROT)
Parrot Security OS 3.10 Full; NOT installed, the ISO is on the SSD, along with
a "persistence" partition. 
(For some reason I have not been able to install *linux* to the SSD no matter
what linux disto or method of installation I attempt.)
The PARROT 3.10 ISO comes with MATE - LIGHTDM. 
("current menu selection highlight" works fine in MATE, NO graphical
abnormalities, nor any graphics issues in WINDOWS 10 on the HDD.)
I then download the PARROT-KDE package. During install I am prompted to choose
between LIGHTDM or SDDM. I've tried both with the same problem. 

*NOTE: Installing the PARROT-KDE package on my Lenovo Thinkpad with a
"persistence" partition on the internal HDD (that has WINDOWS 10) results in a
perfect PARROT-OS KDE-PLASMA 5 desktop, using LIGHTDM or SDDM. 
I have also installed (PARROT OS 3.10 FULL / KDE PLASMA 5 thing) on an old
32-bit Velocity Micro desktop using a TOSHIBA HDD (ISO/persistence type install
again) that was pulled out of a PS3, and even that works great.

If this is some crazy freak of nature that will consume your life to track it
down, don't bother, I'll use Mate on the Dell, but if you can fix it fairly
easily, or point me in the right direction, go for it.

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