#include <QApplication>
#include <QLabel>
#include <QFont>
#include <QFontDatabase>
#include <QSettings>
#include <QVBoxLayout>
#include <vector>
#include <string>



int main(int argc, char *argv[]) {
    QApplication app(argc, argv);
    QWidget *mainWindow = new QWidget();

    QLayout *layout = new QVBoxLayout();
    QLabel *widget1 = new QLabel();
    QLabel *widget2 = new QLabel();
    QLabel *widget3 = new QLabel();

    QFont::insertSubstitution(QApplication::font().family(), "Segoe UI Emoji");
    
    widget1->setText("B/W Emoji \xF0\x9F\x92\xA4");
    widget1->setFont(QFont("Sans Serif"));

    widget2->setText("Color Emoji \xF0\x9F\x92\xA4" + QString(QT_VERSION_STR));
    widget2->setFont(QFont("Segoe UI Emoji"));

    auto font = QApplication::font();
    font.setPointSize(18);
    QApplication::setFont(font);

    widget3->setFont(font);
    widget3->setText("Should be Color Emoji \xF0\x9F\x92\xA4");

    layout->addWidget(widget1);
    layout->addWidget(widget2);
    layout->addWidget(widget3);
    mainWindow->setLayout(layout);

    mainWindow->show();
    return app.exec();
}