#ifndef THREADDIALOG_H#define THREADDIALOG_H#include <QDialog>#include "thread.h"class QPushButton;class ThreadDialog : public QDialog{    Q_OBJECTpublic:    ThreadDialog(QWidget *parent = 0);protected:    void closeEvent(QCloseEvent *event);private slots:    void startOrStopThreadA();    void startOrStopThreadB();private:    Thread threadA;    Thread threadB;    QPushButton *threadAButton;    QPushButton *threadBButton;    QPushButton *quitButton;};#endif