048-第三代软件开发-数据回放

第三代软件开发-数据回放

关键字： Qt、 Qml、 Data、 play back、 数据

项目介绍

欢迎来到我们的 QML & C++ 项目！这个项目结合了 QML（Qt Meta-Object Language）和 C++ 的强大功能，旨在开发出色的用户界面和高性能的后端逻辑。

在项目中，我们利用 QML 的声明式语法和可视化设计能力创建出现代化的用户界面。通过直观的编码和可重用的组件，我们能够迅速开发出丰富多样的界面效果和动画效果。同时，我们利用 QML 强大的集成能力，轻松将 C++ 的底层逻辑和数据模型集成到前端界面中。

在后端方面，我们使用 C++ 编写高性能的算法、数据处理和计算逻辑。C++ 是一种强大的编程语言，能够提供卓越的性能和可扩展性。我们的团队致力于优化代码，减少资源消耗，以确保我们的项目在各种平台和设备上都能够高效运行。

无论您是对 QML 和 C++ 开发感兴趣，还是需要我们为您构建复杂的用户界面和后端逻辑，我们都随时准备为您提供支持。请随时联系我们，让我们一同打造现代化、高性能的 QML & C++ 项目！

重要说明☝

☀该专栏在第三代软开发更新完将涨价

数据回放

额，今天看代码才发现,这部分代码还是Demo阶段，只能看部分了

#include "XXX_dataplayback.h"
#include "ui_XXX_dataplayback.h"

XXX_dataPlayBack::XXX_dataPlayBack(QWidget *parent,QString strDBPath) :
    QWidget(parent),
    ui(new Ui::XXX_dataPlayBack),
    m_strDBPath(strDBPath)
{
    ui->setupUi(this);


    initUI();
    getListDBName();
}

XXX_dataPlayBack::~XXX_dataPlayBack()
{
    deleteDBThread();
    delete ui;
}

void XXX_dataPlayBack::slotTimerMove()
{
    //qDebug() << "slotTimerMove";
    QTime timer;
    timer.start();

    int iIndex = ui->hSlider_move->value();
    ui->hSlider_move->setValue(iIndex+8*m_iFrequency);


    int iSKye = XXX_BaseDB::instance()->g_vectorKey.at(0);
    int iLeft = m_pDraw1->gCustomplot->xAxis->range().lower+8*m_iFrequency;

    int iDff = iLeft - iSKye;
    if(iDff > 0)
    {
        XXX_BaseDB::instance()->m_mutexThread.lock();
        if(iDff >= XXX_BaseDB::instance()->g_vectorKey.count())
        {
            XXX_BaseDB::instance()->g_vectorKey.clear();
            XXX_BaseDB::instance()->g_vectorTime.clear();
            XXX_BaseDB::instance()->g_mapTime.clear();
            XXX_BaseDB::instance()->g_vectorData1.clear();
            XXX_BaseDB::instance()->g_vectorData2.clear();
        }
        else
        {
            XXX_BaseDB::instance()->g_vectorKey.remove(0,iDff);
            XXX_BaseDB::instance()->g_vectorTime.remove(0,iDff);
            XXX_BaseDB::instance()->g_vectorData1.remove(0,iDff);
            XXX_BaseDB::instance()->g_vectorData2.remove(0,iDff);
        }
        XXX_BaseDB::instance()->m_mutexThread.unlock();

    }

    ui->label_RunTime->setText(XXX_BaseDB::instance()->g_mapTime.value(m_pDraw1->gCustomplot->xAxis->range().upper));

    qDebug() << "XXX_BaseDB::instance()->g_vectorKey" << XXX_BaseDB::instance()->g_vectorKey.count();


    int iMaxY = quiteMaxData();

    m_pDraw1->setYHeiget(iMaxY);
    m_pDraw2->setYHeiget(iMaxY);


    m_pDraw1->setDataPad(XXX_BaseDB::instance()->g_vectorKey,XXX_BaseDB::instance()->g_vectorData1);
    m_pDraw2->setDataPad(XXX_BaseDB::instance()->g_vectorKey,XXX_BaseDB::instance()->g_vectorData2);


    m_pDraw1->slotMovePad(ui->hSlider_move->value(),m_iPlayX);
    m_pDraw2->slotMovePad(ui->hSlider_move->value(),m_iPlayX);

}


void XXX_dataPlayBack::slotSliderPressed()
{

    if(m_timerMove == nullptr)
        return;
    m_timerMove->stop();

    XXX_BaseDB::instance()->stopDBThread(true);
    XXX_BaseDB::instance()->exitDBThread(false);


}

void XXX_dataPlayBack::slotSliderReleased()
{
    if(m_bRunTimer)
    {
        if(m_timerMove == nullptr)
            return;

        if(ui->hSlider_move->value() < m_iPlayX)
            XXX_BaseDB::instance()->setStartGetID(0,m_iPlayX);
        else
            XXX_BaseDB::instance()->setStartGetID(ui->hSlider_move->value()-m_iPlayX,m_iPlayX);
        XXX_BaseDB::instance()->exitDBThread(true);
        XXX_BaseDB::instance()->stopDBThread(false);

        QThread::msleep(100);
        m_timerMove->start(m_iFrequency);

    }
    else
    {
        if(m_timerMove == nullptr)
            return;

        if(ui->hSlider_move->value() < m_iPlayX)
            XXX_BaseDB::instance()->setStartGetID(0,m_iPlayX);
        else
            XXX_BaseDB::instance()->setStartGetID(ui->hSlider_move->value()-m_iPlayX,m_iPlayX);
        XXX_BaseDB::instance()->exitDBThread(true);
        XXX_BaseDB::instance()->stopDBThread(false);


    }

}

void XXX_dataPlayBack::slotSliderMoved()
{
    qDebug() << "ui->hSlider_move->value()" << ui->hSlider_move->value();

    QString strRunTime;
    XXX_BaseDB::instance()->getFirstTime(ui->hSlider_move->value(),strRunTime);

    ui->label_RunTime->setText(strRunTime);

    if(m_timerMove == nullptr)
        return;
    QTime timer;
    timer.start();

    int iIndex = ui->hSlider_move->value();
    if(iIndex < m_iPlayX)
    {
        XXX_BaseDB::instance()->getDataBase(iIndex,iIndex);
    }
    else
    {
        XXX_BaseDB::instance()->getDataBase(iIndex,m_iPlayX);
    }

    int iMaxY = quiteMaxData();
    m_pDraw1->setYHeiget(iMaxY);

    m_pDraw1->setDataPad(XXX_BaseDB::instance()->g_vectorOneKey,XXX_BaseDB::instance()->g_vectorOneData1);
    m_pDraw1->slotMovePad(iIndex,m_iPlayX);

    m_pDraw2->setYHeiget(iMaxY);

    m_pDraw2->setDataPad(XXX_BaseDB::instance()->g_vectorOneKey,XXX_BaseDB::instance()->g_vectorOneData2);
    m_pDraw2->slotMovePad(iIndex,m_iPlayX);


    qDebug() << "Time elapsed: " << timer.elapsed() << "ms";
}

void XXX_dataPlayBack::slotZoomIn()
{
    ui->pushButton_zoom_out->setVisible(true);
    if(m_iPlayX>1*8000)
    {
        m_iPlayX-=8000;
    }
    else if(m_iPlayX>1000)
    {
        m_iPlayX-=1000;
    }
    else if(m_iPlayX>100)
    {
        m_iPlayX-=100;
    }
    else
    {
        m_iPlayX = 100;
    }

    zoomUpdate();
}

void XXX_dataPlayBack::slotZoomOut()
{
    ui->pushButton_zoom_in->setVisible(true);
    if(m_iPlayX>=20*8000)
    {
        m_iPlayX = 20*8000;
    }
    else if(m_iPlayX>1*8000)
    {
        m_iPlayX += 1*8000;

    }
    else if(m_iPlayX>=1000)
    {
        m_iPlayX += 1000;

    }
    else if(m_iPlayX>=100)
    {
        m_iPlayX += 100;

    }
    else
    {
        m_iPlayX = 100;
    }

    zoomUpdate();

}

void XXX_dataPlayBack::zoomUpdate()
{

    int iIndex = ui->hSlider_move->value();
    if(iIndex < m_iPlayX)
    {
        XXX_BaseDB::instance()->getDataBase(iIndex,iIndex);
    }
    else
    {
        XXX_BaseDB::instance()->getDataBase(iIndex,m_iPlayX);
    }

    int iMaxY = quiteMaxData();
    m_pDraw1->setYHeiget(iMaxY);
    m_pDraw2->setYHeiget(iMaxY);

    m_pDraw1->setDataPad(XXX_BaseDB::instance()->g_vectorOneKey,XXX_BaseDB::instance()->g_vectorOneData1);
//    m_pDraw1->slotMovePad(iIndex,m_iPlayX);

    m_pDraw2->setDataPad(XXX_BaseDB::instance()->g_vectorOneKey,XXX_BaseDB::instance()->g_vectorOneData2);
//    m_pDraw2->slotMovePad(iIndex,m_iPlayX);



    m_pDraw1->slotMovePad(ui->hSlider_move->value(),m_iPlayX);
    m_pDraw2->slotMovePad(ui->hSlider_move->value(),m_iPlayX);
}

void XXX_dataPlayBack::initUI()
{
    QColor color1(255,0,0);
    QColor color2(0,255,0);
    m_pDraw1 = new XXX_DrawCurve(color1,this);
    m_pDraw2 = new XXX_DrawCurve(color2,this);

    QHBoxLayout *hBox1 = new QHBoxLayout(ui->widge_dataPlay_1);
    QHBoxLayout *hBox2 = new QHBoxLayout(ui->widge_dataPlay_2);
    hBox1->addWidget(m_pDraw1);
    hBox2->addWidget(m_pDraw2);




    //启用长按
    ui->pushButton_zoom_in->setAutoRepeat(true);
    //触发长按的时间
    ui->pushButton_zoom_in->setAutoRepeatDelay(400);
    //长按时click信号间隔
    ui->pushButton_zoom_in->setAutoRepeatInterval(50);


    ui->pushButton_zoom_out->setAutoRepeat(true);
    ui->pushButton_zoom_out->setAutoRepeatDelay(400);
    ui->pushButton_zoom_out->setAutoRepeatInterval(50);



    connect(ui->pushButton_zoom_in,&QPushButton::clicked,this,&XXX_dataPlayBack::slotZoomIn);
    connect(ui->pushButton_zoom_out,&QPushButton::clicked,this,&XXX_dataPlayBack::slotZoomOut);


    ui->pushButton_zoom_in->setVisible(false);
    ui->pushButton_zoom_out->setVisible(false);


    ui->hSlider_move->setRange(0,m_iPlayX);

    m_timerMove = new QTimer;
    m_timerMove->setTimerType(Qt::PreciseTimer);

    connect(m_timerMove, &QTimer::timeout, this, &XXX_dataPlayBack::slotTimerMove);


    //
    connect(ui->hSlider_move, &QSlider::sliderPressed, this, &XXX_dataPlayBack::slotSliderPressed);
    connect(ui->hSlider_move, &QSlider::sliderReleased, this, &XXX_dataPlayBack::slotSliderReleased);
    connect(ui->hSlider_move, &QSlider::sliderMoved, this, &XXX_dataPlayBack::slotSliderMoved);
}


void XXX_dataPlayBack::getListDBName()
{
    if(m_strDBPath.isEmpty())
    {
        return;
    }
    QDirIterator it(m_strDBPath, QDir::Files | QDir::NoSymLinks | QDir::NoDotAndDotDot | QDir::AllDirs, QDirIterator::Subdirectories);
    while(it.hasNext())
    {
        it.next();
        if(it.fileInfo().suffix() == "db")
        {
            QString strDBName = it.fileName().split(".").at(0);
            m_listDBName.append(strDBName);
        }
    }
    ui->comboBox_DB->addItems(m_listDBName);
}

int XXX_dataPlayBack::quiteMaxData()
{

    int iSurplus = XXX_BaseDB::instance()->g_vectorData1.count() - ui->hSlider_move->value();
    if(iSurplus < 0)
        iSurplus = 0;
    int iFontSurplus = XXX_BaseDB::instance()->g_vectorData1.count() - m_iPlayX - iSurplus;
    if(iFontSurplus< 0)
        iFontSurplus = 0;
    double dMaxID1 = *std::max_element(std::begin(XXX_BaseDB::instance()->g_vectorData1) + iFontSurplus,std::end(XXX_BaseDB::instance()->g_vectorData1)-iSurplus);
    double dMaxID2 = *std::min_element(std::begin(XXX_BaseDB::instance()->g_vectorData2),std::end(XXX_BaseDB::instance()->g_vectorData2));
//    double dMinID1 = *std::min_element(std::begin(XXX_BaseDB::instance()->g_vectorData1),std::end(XXX_BaseDB::instance()->g_vectorData1));
//    double dMinID2 = *std::min_element(std::begin(XXX_BaseDB::instance()->g_vectorData2),std::end(XXX_BaseDB::instance()->g_vectorData2));


    if(dMaxID2>dMaxID1)
    {
        dMaxID1 = dMaxID2;
    }
    int iMaxY = (int(dMaxID1)/10+1)*10;


    return iMaxY;
}

void XXX_dataPlayBack::deleteDBThread()
{
    XXX_BaseDB::instance()->closeDBThread(false);
    XXX_BaseDB::instance()->stopDBThread(true);
    XXX_BaseDB::instance()->exitDBThread(false);


    if(m_threadDBBase->isRunning())
    {
        m_threadDBBase->quit();
        m_threadDBBase->wait();
    }

//    m_threadDBBase = nullptr;
//    delete m_threadDBBase;
//    XXX_BaseDB::instance() = nullptr;
//    delete XXX_BaseDB::instance();
}



void XXX_dataPlayBack::on_comboBox_Table_currentTextChanged(const QString &arg1)
{
    m_strTableName = arg1;
    //XXX_BaseDB::instance()->setOpenTableName(m_strTableName);
    int iMaxID;
    XXX_BaseDB::instance()->setOpenTableName(arg1);
    XXX_BaseDB::instance()->getMaxID(iMaxID);
    ui->hSlider_move->setRange(1,iMaxID);

    QString strMaxTime;
    XXX_BaseDB::instance()->getFirstTime(iMaxID,strMaxTime);

    ui->label_LastTime->setText(strMaxTime);

    m_threadDBBase->start();
    XXX_BaseDB::instance()->exitDBThread(true);
    XXX_BaseDB::instance()->closeDBThread(true);
    XXX_BaseDB::instance()->stopDBThread(false);
    XXX_BaseDB::instance()->setStartGetID(0,m_iPlayX);
    emit signalDBThread();
    QThread::msleep(100);
    m_timerMove->start(m_iFrequency);

}


void XXX_dataPlayBack::on_comboBox_DB_currentIndexChanged(int index)
{
    ui->comboBox_Table->clear();

    QString strOpenDBPath = m_strDBPath + m_listDBName.at(index) + ".db";

    //XXX_BaseDB::instance() = new XXX_BaseDB;

    m_threadDBBase = new QThread(this);

    XXX_BaseDB::instance()->moveToThread(m_threadDBBase);

    connect(this,&XXX_dataPlayBack::signalDBThread,XXX_BaseDB::instance(),&XXX_BaseDB::backDataBaseThread);

    QStringList listTableName;
    bool bRet = XXX_BaseDB::instance()->getDBTableName(strOpenDBPath,listTableName);
    if(!bRet)
    {
        return;
    }
    for (int var = 0; var < listTableName.count(); ++var) {
        if(!listTableName.at(var).contains("Default"))
        {
            listTableName.removeAt(var);
        }
    }
    ui->comboBox_Table->addItems(listTableName);
}


void XXX_dataPlayBack::on_pushButton_start_clicked(bool checked)
{
    //m_bRunTimer = checked;

    m_pDraw1->setLabelView(m_bRunTimer);
    m_pDraw2->setLabelView(m_bRunTimer);
    m_bRunTimer = !m_bRunTimer;

    if(m_bRunTimer)
    {
        if(m_timerMove == nullptr)
            return;

        if(ui->hSlider_move->value() < m_iPlayX)
            XXX_BaseDB::instance()->setStartGetID(0,m_iPlayX);
        else
            XXX_BaseDB::instance()->setStartGetID(ui->hSlider_move->value()-m_iPlayX,m_iPlayX);
        XXX_BaseDB::instance()->exitDBThread(true);
        XXX_BaseDB::instance()->stopDBThread(false);

        m_timerMove->start(m_iFrequency);

        ui->pushButton_zoom_in->setVisible(false);
        ui->pushButton_zoom_out->setVisible(false);
        ui->pushButton_start->setText("暂停");
    }
    else
    {
        if(m_timerMove == nullptr)
            return;
        m_timerMove->stop();

        XXX_BaseDB::instance()->stopDBThread(true);
        XXX_BaseDB::instance()->exitDBThread(false);

        ui->pushButton_zoom_in->setVisible(true);
        ui->pushButton_zoom_out->setVisible(true);

        ui->pushButton_start->setText("播放");


    }

}


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