同一信号的两个不同插槽
当 m_serverClientControl 在其线程上发出 finishRunning() 时，我如何知道主线程中第一个/最后一个执行哪个插槽？在这种情况下，插槽如何排队？我对 Qt 如何将插槽事件放在线程事件队列上感到困惑。我已经阅读了该文档，但我仍然有点困惑。
connect( m_serverClientControl, SIGNAL( finishedRunning() ), m_serverClientControl, SLOT( deleteLater() ) );
connect( m_serverClientControl, SIGNAL( finishedRunning() ), this, SLOT( finishedRunningEmited() ) )
When m_serverClientControl emits finishedRunning() on its thread, How can I tell what slot gets executed first/last in the main thread? How do the slots get queued in a situation like this? I'm confused as how Qt places slot events on the thread event queue. I have read the document ion but I'm still a tad bit confused.
connect( m_serverClientControl, SIGNAL( finishedRunning() ), m_serverClientControl, SLOT( deleteLater() ) );
connect( m_serverClientControl, SIGNAL( finishedRunning() ), this, SLOT( finishedRunningEmited() ) )
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来自 Qt 4.7 文档：
http://doc.qt.io/archives/qt-4.7/signalsandslots .html#signals
因此，在您的情况下，应在
deleteLater()之后调用finishedRunningEmited()。From the Qt 4.7 docs:
http://doc.qt.io/archives/qt-4.7/signalsandslots.html#signals
So in your case
finishedRunningEmited()should be called afterdeleteLater().