Thank you for your answer.
My idea is to make two widgets which inherit from QGLWidget without a parent and make them fullscreen on the screens. This is already working manually, i will check later if i can use QDesktopWidget to automatically do this (priority is with the opengl-scene at the moment).
To link them i wanted to make some object which inherits QObject and connect some of it's signals to slots of the opengl-widgets.
Any advice on this?
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