CPP

qt/c++ exception handler

class BadCounter {
Q_OBJECT
public slots:
  void count() { throw CounterError("unable to count"); }
};

class CounterAdaptor {
Q_OBJECT
  BadCounter* counter_;
public:
  CounterAdaptor(BadCounter* counter) {
    counter_ = counter;
  }
public slots:
  void count() {
    try {
      counter_->count();
    } catch (const CounterError& e) {
      std::cerr << e.what() << std::endl;
    }
  }
};

int main() {
  BadCounter engine;
  CounterAdaptor adaptor(&engine);
  QThread* thread = new QThread();
  connect(thread,SIGNAL(started()),&adaptor,SLOT(count())); 
  thread.start();
  ... // etc...
  delete thread;
}