#include "movingcircle.h"
#include "ui_movingcircle.h"
#include <QInputDialog>

MovingCircle::MovingCircle(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::MovingCircle)
{
    ui->setupUi(this);
    scene = new QGraphicsScene(this);
    ui->graphicsView->setScene(scene);
    car = new QGraphicsEllipseItem(0,0,30,30);
    car ->setBrush(QBrush(Qt::red));
    scene->addItem(car);
    connect(ui->newPositionButton, &QPushButton::clicked, this, &MovingCircle::newPosition);
 }

MovingCircle::~MovingCircle()
{
    delete ui;
    delete car;
    delete scene;
}


void MovingCircle::newPosition()
{
    bool ok;
    int deltax=20, deltay=30;
    QString text = QInputDialog::getText(
        this,                   // Parent widget
        "Enter car's new position",      // Dialog title
        "Delta x movement:",                // Prompt label
        QLineEdit::Normal,      // Input mode
        "20",                     // Default value
        &ok                     // Was OK pressed?
        );
    if (ok && !text.isEmpty())
        deltax=text.toInt();
    text = QInputDialog::getText(
        this,                   // Parent widget
        "Enter car's new position",      // Dialog title
        "Delta y movement:",                // Prompt label
        QLineEdit::Normal,      // Input mode
        "30",                     // Default value
        &ok                     // Was OK pressed?
        );
    if (ok && !text.isEmpty())
        deltay=text.toInt();
    car->moveBy(deltax, deltay);
}