QT线程之掷色子游戏

墨蓝 2022-03-18 09:50 276阅读 0赞

所有文件  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RoZVJvb2tpZTE_size_16_color_FFFFFF_t_70]  
dialog.h文件

#ifndef DIALOG_H
    #define DIALOG_H
    
    
    #include <QDialog>
    #include "qdicethread.h"
    
    
    namespace Ui {
    class Dialog;
    }
    
    
    class Dialog : public QDialog
    {
        Q_OBJECT
    private:
        QDiceThread threadA;
    protected:
        void closeEvent(QCloseEvent *event);
    
    
    public:
        explicit Dialog(QWidget *parent = 0);
        ~Dialog();
    private slots:
        void onthreadA_start();
        void onthreadA_finish();
        void onThreadA_newValue(int seq,int diceValue);
        void on_btnThreadBegin_clicked();
    
    
        void on_btnThreadStop_clicked();
    
    
        void on_btnDicestart_clicked();
    
    
        void on_btnDiceStop_clicked();
    
    
        void on_btnClear_clicked();
    
    
    private:
        Ui::Dialog *ui;
    };
    
    
    #endif // DIALOG_H

qdicethread.h文件

#ifndef QDICETHREAD_H
    #define QDICETHREAD_H
    
    
    #include <QThread>
    
    
    class QDiceThread : public QThread
    {
        Q_OBJECT
    private:
        int m_seq=0;//掷色子次数序号
        int m_diceValue;//色子点数
        bool m_Paused=true;//暂停
        bool m_stop=false;//停止
    protected:
        void run() Q_DECL_OVERRIDE;//线程任务
    public:
        QDiceThread();
        void diceBegin();//掷色子
        void dicePause();//暂停
        void stopThread();//结束线程
    
    
        signals:
        void newValue(int seq,int diceValue);//产生新点数的信号
    
    
    };
    
    
    #endif // QDICETHREAD_H

dialog.cpp文件

#include "dialog.h"
    #include "ui_dialog.h"
    #include <QDebug>
    
    
    Dialog::Dialog(QWidget *parent) :
        QDialog(parent),
        ui(new Ui::Dialog)
    {
        ui->setupUi(this);
        if(threadA.isRunning())
        {
            qDebug("thread is running");
        }
        else
        {
            qDebug("thread is stopped");
        }
        connect(&threadA,SIGNAL(started()),this,SLOT(onthreadA_start()));
        connect(&threadA,SIGNAL(finished()),this,SLOT(onthreadA_finish()));
        connect(&threadA,SIGNAL(newValue(int,int)),this,SLOT(onThreadA_newValue(int,int)));
    }
    
    
    Dialog::~Dialog()
    {
        delete ui;
    }
    void Dialog::onthreadA_start()
    {
        ui->label_2->setText("Thread状态：thread start.");
        if(threadA.isRunning())
        {
            qDebug("thread is running");
        }
        else
        {
            qDebug("thread is stopped");
        }
    }
    void Dialog::onthreadA_finish()
    {
        ui->label_2->setText("Thread状态：thread finish.");
        if(threadA.isRunning())
        {
            qDebug("thread is running");
        }
        else
        {
            qDebug("thread is stopped");
        }
    }
    void Dialog::onThreadA_newValue(int seq, int diceValue)
    {
        QString str=QString::asprintf("第%d次，点数为%d",seq,diceValue);
        ui->plainTextEdit->appendPlainText(str);
        QPixmap pic;
        QString fileName=QString::asprintf(":/dice/images/d%d.jpg",diceValue);
        pic.load(fileName);
        ui->label->setPixmap(pic);
    }
    
    
    void Dialog::on_btnThreadBegin_clicked()
    {
        threadA.start();
        ui->btnThreadBegin->setEnabled(false);
        ui->btnThreadStop->setEnabled(true);
        ui->btnDiceStop->setEnabled(false);
        ui->btnDicestart->setEnabled(true);
    }
    
    
    
    
    void Dialog::on_btnThreadStop_clicked()
    {
        threadA.stopThread();
        threadA.wait();
        ui->btnThreadBegin->setEnabled(true);
        ui->btnThreadStop->setEnabled(false);
        ui->btnDiceStop->setEnabled(false);
        ui->btnDicestart->setEnabled(false);
    
    
    
    
    }
    
    
    void Dialog::on_btnDicestart_clicked()
    {
        threadA.diceBegin();
        ui->btnDicestart->setEnabled(false);
        ui->btnDiceStop->setEnabled(true);
    }
    
    
    
    
    void Dialog::on_btnDiceStop_clicked()
    {
        threadA.dicePause();
        ui->btnDicestart->setEnabled(true);
        ui->btnDiceStop->setEnabled(false);
    }
    
    
    
    
    void Dialog::on_btnClear_clicked()
    {
        ui->plainTextEdit->clear();
    }
    void Dialog::closeEvent(QCloseEvent *event)
    {
        if(threadA.isRunning())
        {
            threadA.stopThread();
            threadA.wait();
        }
        event->accept();
    }

qdicethread.cpp文件

#include "qdicethread.h"
    #include <QTime>
    
    
    QDiceThread::QDiceThread()
    {
    
    
    }
    void QDiceThread::diceBegin()
    {
        m_Paused=false;
    }
    void QDiceThread::dicePause()
    {
        m_Paused=true;
    }
    void QDiceThread::stopThread()
    {
        m_stop=true;
    }
    void QDiceThread::run()
    {
        m_stop=false;
        m_seq=0;
        qsrand(QTime::currentTime().msec());
        while(!m_stop)
        {
            if (!m_Paused)
            {
                m_seq++;
                m_diceValue=qrand();
                m_diceValue=m_diceValue%6+1;
                emit newValue(m_seq,m_diceValue);
    
    
            }
            msleep(500);
        }
        quit();
    }

dialog.ui

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RoZVJvb2tpZTE_size_16_color_FFFFFF_t_70 1]运行结果

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RoZVJvb2tpZTE_size_16_color_FFFFFF_t_70 2]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RoZVJvb2tpZTE_size_16_color_FFFFFF_t_70]: /images/20220318/093f93097c2a46bb818e8365bcde81f9.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RoZVJvb2tpZTE_size_16_color_FFFFFF_t_70 1]: /images/20220318/74df72aefc284edabccde9a1e317f69c.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RoZVJvb2tpZTE_size_16_color_FFFFFF_t_70 2]: /images/20220318/4586f0eb7c614576a882065a42d5bb35.png