#include "mainwindow.h"
#include "ui_mainwindow.h"

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

    ui->lcdNumber->display(0.0);
    elapseTime = 0;
    lapMode = false;

    timer = new QTimer(this);
    connect (timer, SIGNAL(timeout()), this, SLOT(update()));
}

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

void MainWindow::startStop()
{
    if (timer->isActive() == false)
    {
        timer->start(100);
        ui->pushButton->setText("Stop");
        ui->pushButton_2->setText("Lap");
        lapMode = false;
    }
    else
    {
        timer->stop();
        ui->pushButton->setText("Start");
        ui->pushButton_2->setText("Reset");
        lapMode = false;
        ui->lcdNumber->display(elapseTime/10.0);
    }
}

void MainWindow::update()
{
    ++elapseTime;

    if (lapMode == false)
    {
         ui->lcdNumber->display(elapseTime/10.0);
    }
}

void MainWindow::lapReset()
{
    if (timer->isActive() == false)
    {
        elapseTime = 0;
        ui->lcdNumber->display(elapseTime/10.0);
    }
    else
    {
        lapMode = !lapMode;
        if (lapMode  == false)
        {
             ui->lcdNumber->display(elapseTime/10.0);
        }
    }
}