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我需要查看是否接受了到狀態機的自定義發佈事件。我的方法是繼承QStateMachine。請參閱http://doc.qt.nokia.com/latest/statemachine-api.html部分活動,轉場和後衛如何檢測忽略/拒絕發佈的QEvent到QStateMachine
我想知道是不是我在下面的代碼中錯過了。沒有另一種更好的方法嗎?
基本上這裏是一樣的每Qt的文件:
bool MyStateTransition::eventTest(QEvent *e)
{
if (e->type() != QEvent::Type(QEvent::User+1)) // MyEvent
return false;
MyEvent *se = static_cast<MyEvent*>(e);
if(m_value != se->value)
{
se->setRejected(true);
return false;
}
qDebug() << "MyStateTransition::eventTest() - Transition " << m_value << " accepting event " << se->value;
se->setRejected(false);
return true;
}
我能找到遠檢測拒絕的最簡單的方法是這樣的:
void MyStateMachine::endSelectTransitions(QEvent *event)
{
if (event->type() != QEvent::Type(QEvent::User+1)) return;
MyEvent *se = static_cast<MyEvent*>(event);
if(se->rejected())
emit eventRejected(se);
else
//Not really needed since we can use triggered() which will fire after
emit eventAccepted(se);
}
這是什麼`MyStateMachine :: endSelectTransitions`方法? – 2011-01-27 18:30:24