C++ (Qt)
 
void AnimationController::registerCommunityCards(QVector<SCard> &cards, QPointF deckpos, QObject *sender, const char *signal)
    QState *state = new QState(communityCardsState), *initial;
{
 
    for(int i = 0; i < 5; ++i)
    {
        state->assignProperty(cards[i].cardItem, "visible",false);
        state->assignProperty(cards[i].cardItem,"pos",deckpos);
    }
    CommunityCardsTransition *trans = new CommunityCardsTransition(sender, signal);
    state->addTransition(trans);
    initial = state;
 
    for(int c = 0; c < 5; ++c)
    {
        state = new QState(communityCardsState);
        for(int i = 0; i < 5; ++i)
        {
            state->assignProperty(cards[i].cardItem, "visible",i <= c);
            state->assignProperty(cards[i].cardItem,"pos", i <= c ? cards[i].pos : deckpos);
        }
        trans = new CommunityCardsTransition(sender, signal);
        state->addTransition(trans);
    }
 
    communityCardsState->setInitialState(static_cast<QAbstractState *>(communityCardsState->children().at(0)));
}
 

C++ (Qt)
class CommunityCardsTransition : public QSignalTransition
{
public:
    CommunityCardsTransition(QObject *sender, const char *signal)
        :QSignalTransition(sender,signal) {
    }
 
    virtual bool eventTest(QEvent *e)
    {
 // Сюда никак не попадаю. Но очень хочу!
        QStateMachine::SignalEvent *se = dynamic_cast<QStateMachine::SignalEvent*>(e);
 
        if (!QSignalTransition::eventTest(e))
            return false;
 
 
        return true;
    }
 
};

C++ (Qt)
    animationController_->registerCommunityCards(communityCards_,layoutCfg_->getDealerDeckPos(),this,SIGNAL(communityCards(int)));
 
emit communityCards(3);
 

C++ (Qt)
 class CheckedTransition : public QSignalTransition
 {
 public:
     CheckedTransition(QCheckBox *check)
         : QSignalTransition(check, SIGNAL(stateChanged(int))) {}
 protected:
     bool eventTest(QEvent *e) {
         if (!QSignalTransition::eventTest(e))
             return false;
         QStateMachine::SignalEvent *se = static_cast<QStateMachine::SignalEvent*>(e);
         return (se->arguments().at(0).toInt() == Qt::Checked);
     }
 };
 
 ...
 
 QCheckBox *check = new QCheckBox();
 check->setTristate(true);
 
 QState *s1 = new QState();
 QState *s2 = new QState();
 CheckedTransition *t1 = new CheckedTransition(check);
 t1->setTargetState(s2);
 s1->addTransition(t1);