大家都知道，QT的事件机制，查了好多网上的帖子，分析的不够到位，今天给大家分享下，我的分析，请高手指正：
都知道post Event通过
QScopedPointer<QEvent> eventDeleter(event);
//增加到事件队列
data->postEventList.addEvent(QPostEvent(receiver, event, priority));
eventDeleter.take();
event->posted = true;
++receiver->d_func()->postedEvents;
data->canWait = false;
locker.unlock();

//事件分发
QAbstractEventDispatcher* dispatcher = data->eventDispatcher.loadAcquire();
if ( ..