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

#include <QMessageBox>
#include <QTimer>

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

    /**  We'll wire those signals */
    connect(this, SIGNAL(signal()),
            this, SLOT(signalStringSlot()));
    connect(this, SIGNAL(signalString(const QString&)),
            this, SLOT(slotString(const QString&)));

    /** So we request timer to shoot a signal to a slot() after a second. */
    QTimer::singleShot(1000, this, SLOT(slot()));
}

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

void MainWindow::signalStringSlot() {
    emit signalString(QString("Look, I can send strings through signal!"));
}

void MainWindow::slot()
{
    QMessageBox::information(this,
                             "SLOT!",
                             "Yay! SLOT reached!");
    emit signal();
}
void MainWindow::slotString(const QString& string)
{
    QMessageBox::information(this,
                             "SLOT String!",
                             string);
}