Dear HPXlers,

I am wondering how to integrate HPX with GUI applications. I'd like to
have one GUI locality where e.g. a Qt application is running. Then I'd
like to trigger GUI events from HPX actions.

Problem: Both HPX and Qt want the mainloop.

I was able to do a similar thing with ZeroMQ and Qt. There I gave the
mainloop to Qt. ZeroMQ then provides a file descriptor and I can use a
"QSocketNotifier" that triggers whenever the ZeroMQ-socket receives an
event. The QSocketNotifier is then connected to a ZeroMQ event handler.
That way, both parts are happy.

How would you do that with HPX?

Thanks a lot in advance,
best regards,
Andreas
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