1classReceiver:publicQObject23{4Q_OBJECT56public:78910voidsendmes()1112{13emitemitSignal("emit message from A To B");1415}1617Receiver()1819{202122}2324protectedslots:2526voidmessageSlot(QString mes)2728{29qDebug()<<mes;3031}3233signals:3435voidemitSignal(QString mes);36373839private:4041};424...
data->eventDispatcher.load()->startingUp(); else createEventDispatcher(data); ...//省略 emit thr->started(QThread::QPrivateSignal()); // 发射线程启动信号 QThread::setTerminationEnabled(true); thr->run(); // 调用QThread::run()函数 -- 线程函数 finish(arg); //结束线程 return 0; } ...
1 void QMetaObject::activate(QObject *sender, const QMetaObject *m, 2 int from_local_signal_index, int to_local_signal_index, void **argv) 3 { 4 int offset = m->methodOffset(); // 指向qt_meta_data_QAbstractButton[27]字节,也就是clicked(bool) 5 int from_signal_index = offset + f...
emit aSignal(); } }; /* ... */ Thread thread; Object obj; QObject::connect(&thread, SIGNAL(aSignal()), &obj, SLOT(aSlot())); thread.start(); 如上述代码,信号aSignal() 将在一个新的线程里被发射(由线程对象所代表);因为它并不是Object 对象驻足的线程,所以尽管Thread对象thread与Object...
suffer from 遭受 type-correctness arguments 参数 In Qt, we have analternativeto the callbacktechnique: We use signals and slots. A signalis emittedwhen a particular eventoccurs. 在Qt中,我们有一种回调技术的替代方法:我们使用信号和槽。当特定事件发生时,会发出一个信号。
//必须用信号槽形式,不然提示 QSocketNotifier: Socket notifiers cannot be enabled or disabled from another thread //估计日志钩子可能单独开了线程 connect(this, SIGNAL(send(QString)), SendLog::Instance(), SLOT(send(QString))); file = new QFile(this); ...
函数 The QTimer class provides high-level programming interface for timers. To use it, createa QTimer, connect its timeout() signal to the slots, and call start(). From then on it will emit the timeout) signal at constant intervals 代码语言:javascript 代码运行次数:0 运行 AI...
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classFoo(object):started=ClassSignal()ended=ClassSignal()defrun(self):self.started.emit()# Do my logic hereself.ended.emit() This does a few things: It guarantees that any instances of Foo or it's subclasses will always have the started and ended Signals. This allows for a guaranteed in...
An experimental variant for the adventurous isgeneric-signal, which attempts to determine the argument types by their values at run-time. It does therefore not require specifying the type explicitly, but might instead screw up and choose a wrong type for the signal and thus fail to emit. ...