How to run Qt programs on Linux platform support hot plug?
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How to modify Qt5.12.5 source code so that Qt program can automatically support mouse keyboard hot plug?
Hi and welcome to devnet,
I would rather go with a system solution rather than modify Qt. Take a look at persistent-evdev. It seems it might do the job (note: I have not used it myself).
You should also give a bit more information about the context of your project.
