MultiMediaWidget seems to break QListWidget repaint.

[WolfByte]

I was playing around with example code from Qt and i'm seeing strange behavior. I would really appreciate it if someone could explain this to me.

Qt/Examples/Qt-5.11.0/multimediawidgets/player

• Copy the multimediawidgets player example and replace player.h and player.cpp with the attached 2 files.
• The QListWidget that I added operates as expected on launch, the user can select either item and it displays single selection.
• Now play any video file.
• The QListWidget no longer repaints as expected.

[WolfByte]

Additional info:

The list widget that I added on the left is used as a window display selection. The top selection (index 0) displays the Movie Player, while the bottom selection (index 1) displays a QLabel "Hello World". Once a movie is played the list widget starts rendering incorrectly. Does anyone know what is causing this behavior?