QStopWatch/dialog.cpp at master · meteistar/QStopWatch · GitHub

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#include "dialog.h"
#include "ui_dialog.h"

Dialog::Dialog(QWidget *parent)
    : QDialog(parent)
    , ui(new Ui::Dialog)
{
    ui->setupUi(this);

    QPushButton *btnstart = new QPushButton("Start", this);
    QPushButton *btnstop = new QPushButton("Stop", this);
    ui->buttonBox->addButton(btnstart, QDialogButtonBox::ButtonRole::ActionRole);
    ui->buttonBox->addButton(btnstop, QDialogButtonBox::ButtonRole::ActionRole);
    connect(btnstart, &QPushButton::clicked, this, &Dialog::start);
    connect(btnstop, &QPushButton::clicked, this, &Dialog::stop);

    m_timer.setInterval(100);
    connect(&m_timer, &QTimer::timeout, this, &Dialog::timeout);
}

Dialog::~Dialog()
{
    delete ui;
}


void Dialog::on_buttonBox_accepted()
{
    accept();
}

void Dialog::timeout()
{
    qDebug()<< QTime::currentTime().toString();
    m_stopped = QTime::currentTime();
    qint64 time = m_started.msecsTo(m_stopped);
    qint64 h = time / 1000 / 60 / 60;
    qint64 m = (time / 1000 / 60) - (h * 60);
    qint64 s = (time / 1000) - (m * 60);
    qint64 ms = time - (s + ((m + (h * 60))* 60)) * 1000;

    const QString diff = QString("%1:%2:%3:%4")
            .arg(h,2,10,QChar('0'))
            .arg(m,2,10,QChar('0'))
            .arg(s,2,10,QChar('0'))
            .arg(ms,4,10,QChar('0'));

    ui->label->setText(diff);
}

void Dialog::start()
{
    m_timer.start();
    m_started = QTime::currentTime();
}

void Dialog::stop()
{
    m_timer.stop();
    m_stopped = QTime::currentTime();
}