PC-DOS的工作室

//Worker是继承自QObject的工作者对象，使用QObject::moveToThread()移动到子线程上
void Worker::InfinityJob() {
    while (bIsRunning) {
        //执行耗时操作和sleep()延时
        //usleep(50);
 
        //允许子线程事件循环处理事件队列，并更新IsRunning变量
        QApplication::processEvents();
    }
    return;
}

#ifndef WORKER_H
#define WORKER_H
 
#include <QObject>
 
class Worker : public QObject {
    Q_OBJECT
 
public:
    Worker();
    ~Worker();
 
public slots:
    /* 这里放置各类槽函数的实现 */
    void ExecuteWorkRequestedEventHandler();
    void StopWorkRequestedEventHandler();
 
    /* 具体的工作 */
    void InfinityJob();
 
private:
    bool bIsRunning; //指示是否需要继续工作循环
};
 
#endif // WORKER_H

#include "Worker.h"
 
Worker::Worker() {
    bIsRunning = false;
}
 
Worker::~Worker() {
    bIsRunning = false;
}
 
void Worker::ExecuteWorkRequestedEventHandler() {
    bIsRunning = true;
    //开始执行InfinityJob()
    QTimer::singleShot(0, this, SLOT(InfinityJob()));
    return;
}
 
void Worker::StopWorkRequestedEventHandler() {
    bIsRunning = false;
    return;
}
 
void Worker::InfinityJob() {
    //执行耗时操作
 
    //检查是否需要继续执行，并调用QTimer::singleShot()执行自身
    if (bIsRunning) {
        QTimer::singleShot(0, this, SLOT(InfinityJob()));
    }
 
    return;
}