Qt Threads and StateMachine

simple.cpp

#include <QObject>
#include <QState>
#include <QStateMachine>
#include <QThread>
#include <QApplication>
#include <QDebug>
#include <QTimer>

// Worker Object
class Worker : public QStateMachine
{
public:
	Worker() : time(new QTimer(this))
	{
		QState *s1 = new QState();
		this->addState(s1);
		this->setInitialState(s1);	

		time->setInterval(250);

		connect(s1, SIGNAL(entered()), time, SLOT(start()));
		connect(time, &QTimer::timeout, this, &Worker::tick);
	}
	~Worker() = default;
public slots:
	void tick() {
		qDebug() << "Tick!";
	}

private:
	QTimer *time; 
};

// Main controller
class A : public QStateMachine 
{
    public:
        A(QObject *parent = 0) : W(new Worker) {
            W->moveToThread(&T);
            connect(W, &QStateMachine::started, this, &A::inS1);
            T.start();

            QState *s1 = new QState();
            this->addState(s1);
            this->setInitialState(s1);
            connect(s1, &QState::entered, W, &Worker::start);
            connect(&T, &QThread::finished, W, &QObject::deleteLater);
			qDebug() << "Started the thread";
        }

        ~A() {
            T.quit();
            T.wait();
        }
    public slots:
        void inS1() {
			qDebug() << "in S1\n";
			qDebug() << "Worker is runnning? " << W->isRunning();
        }
    public:
        QThread T;
        Worker *W;
};

int main(int argc, char*argv[]) {
	QApplication app(argc, argv);
	A test;
	test.start();
	qDebug() << "Is running? " << test.isRunning();
	qDebug() << test.thread() << " " << test.W->thread();
	qDebug() << "Thread is running? " << test.thread()->isRunning();
	qDebug() << "T is running? " << test.W->isRunning();
	return app.exec();
}