bool SignalTransition::eventTest(QEvent *event)
{
Q_ASSERT(event);
if (!QSignalTransition::eventTest(event))
return false;
if (m_guard.isEmpty())
return true;
QQmlContext *outerContext = QQmlEngine::contextForObject(this);
QQmlContext context(outerContext);
QQmlContextData::get(outerContext)->imports->addref();
QQmlContextData::get(&context)->imports = QQmlContextData::get(outerContext)->imports;
QStateMachine::SignalEvent *e = static_cast<QStateMachine::SignalEvent*>(event);
// Set arguments as context properties
int count = e->arguments().count();
QMetaMethod metaMethod = e->sender()->metaObject()->method(e->signalIndex());
for (int i = 0; i < count; i++)
context.setContextProperty(metaMethod.parameterNames()[i], QVariant::fromValue(e->arguments().at(i)));
QQmlExpression expr(m_guard, &context, this);
QVariant result = expr.evaluate();
return result.toBool();
}
/*!
\reimp
The default implementation returns true if the \a event is a
QStateMachine::SignalEvent object and the event's sender and signal index
match this transition, and returns false otherwise.
*/
bool QSignalTransition::eventTest(QEvent *event)
{
Q_D(const QSignalTransition);
if (event->type() == QEvent::StateMachineSignal) {
if (d->signalIndex == -1)
return false;
QStateMachine::SignalEvent *se = static_cast<QStateMachine::SignalEvent*>(event);
return (se->sender() == d->sender)
&& (se->signalIndex() == d->signalIndex);
}
return false;
}