[Qt-interest] Qt app launched from CLI or GUI? Can I know in code?

[Kishore Jonnalagadda]

Basically, in my application, I would like to install a message handler for
debug messages so that they are logged to a file. However, I would like to
do so only if the app were launched from the GUI. So in case the app was
launched from the CLI, it should output to the terminal as usual.

Is this possible? Particularly on a linux machine.

Kishore
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