#include "MainWindow.h"
#include "ui_MainWindow.h"

#include <QApplication>
#include <QDesktopWidget>
#include <QTextCodec>
#include <QPixmap>
#include <QString>
#include <QRect>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
    , legacyPattern("^[A-Za-z]+\\d+$")
{
    ui->setupUi(this);

    QTextCodec *codec = QTextCodec::codecForName("UTF-8");
    QString title = codec->toUnicode("Qt5 Legacy Migration Benchmark");
    setWindowTitle(title);

    ui->label->setText(codec->toUnicode("Bitte Text wie Test123 eingeben."));
    ui->iconLabel->setPixmap(QPixmap(":/icons/app.png").scaled(48, 48));

    connect(ui->validateButton, SIGNAL(clicked()), this, SLOT(onValidateClicked()));
    connect(ui->screenButton, SIGNAL(clicked()), this, SLOT(onScreenInfoClicked()));
}

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

void MainWindow::onValidateClicked()
{
    QString text = ui->lineEdit->text();

    if (legacyPattern.exactMatch(text)) {
        ui->resultLabel->setText("Match");
    } else {
        ui->resultLabel->setText("No match");
    }
}

void MainWindow::onScreenInfoClicked()
{
    QRect screenGeometry = QApplication::desktop()->screenGeometry();
    QString info = QString("Screen: %1x%2")
        .arg(screenGeometry.width())
        .arg(screenGeometry.height());

    ui->resultLabel->setText(info);
}