This is a simple example of integrating an existing Qt/C++ application
BUILD / RUN / CALL
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qmake
make
eql5 run.lisp -qtpl
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Option 1:
(qfun+ *trafficlight* "stop")
(qfun+ *trafficlight* "start")
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Option 2:
(! "stop" (:qt *trafficlight*))
(! "start" (:qt *trafficlight*))
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Option 3:
(define-qt-wrappers *trafficlight*)
(start *trafficlight*)
(stop *trafficlight*)
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