How can ue4 viewport show inside qt QWidget

How can I show ue4 viewport inside qt Qwindows? I want develop some windows using qt,and show ue4 wiew inside qt window.

I consider this more relevant to Qt forums than UE4 AnswerHub.

Qt viewport is pretty much raw OpenGL, and there are a few exceptions by community, like QSFMLWidget i have coded for github a couple of years ago, which lets you use SFML instead OpenGL, but besides that your idea is probably better abandoned.

The approach you may seek is making a Qt launcher and the game menu itself as a UE4 - only software.
(TotalWar and many other games use similar approach)

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