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

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

    displacent = new Displacement(this);
    speed = new Speed(this);
    acceleration = new Acceleration(this);


    QObject::connect(displacent,SIGNAL(changed(float)),speed,SLOT(handleChange(float)));
    QObject::connect(speed,SIGNAL(changed(float)),acceleration,SLOT(handleChange(float)));
}

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

void MainWindow::on_pushButton_clicked()
{
   double v = ui->lineEditDisplacement->text().toDouble();
   displacent->set(v);
   ui->lcdNumberSpeed->display(speed->get());
   ui->lcdNumber->display(acceleration->get());
   //emit displacent->changed(v);
}

void MainWindow::on_lcdNumberSpeed_overflow()
{

}