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@RyanEdward Although not a native QTCreator solution, I use: C gist to simulate key presses on linux. Mapping this binary to a keyboard shortcut on your native desktop environment can hack your way to a solution.
One thing to add to @kshegunov, terminating these applications ungracefully may have side effects on the stability of your system.
@SGaist Ok my dear friend. Thank you again for your advise.