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

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

    // add a central Widget to act as the parents of the push buttons
    QWidget *centralWidget;
    centralWidget = new QWidget(this);
    QPushButton *pushButton;

    for (int i = 0 ; i < NUM_BUTTONS ; ++ i)
    {
        QString number;
        number.setNum(i);
        QString name ("Button");
        name.append(number);

        pushButton = new QPushButton(name, centralWidget);
        pushButton->setObjectName(name);
        ui->verticalLayout->addWidget(pushButton);
        QObject::connect(pushButton, SIGNAL(clicked()), this, SLOT(buttonClicked()));
        buttonArray[i] = pushButton;
    }


}

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

void MainWindow::buttonClicked()
{
    QPushButton* pb = (QPushButton *) sender();

    int pos = -1;
    for (int i = 0; i < NUM_BUTTONS ; ++i)
    {
        if (pb == buttonArray[i])
            pos = i;
    }
    QString number;
    number.setNum(pos);
    ui->label_2->setText(number);

}