Function parseOptions

apps/quartz/main.cpp:20–51

} // Config

static void parseOptions(int &viewportWidth, int &viewportHeight, QString &sceneFilePath)
{
    const QString description = QString("%1 %2\n%3\n%4")
            .arg(ApplicationDescription)
            .arg(ApplicationVersion)
            .arg(ApplicationCopyright)
            .arg(ApplicationUrl);

    QCommandLineParser parser;
    parser.setApplicationDescription(description);
    parser.addHelpOption();
    parser.addVersionOption();

    QCommandLineOption widthOption({"x", "sizex", "width"}, "Initial viewport width.", "px",
                                   QString::number(Config::DefaultViewportWidth));
    QCommandLineOption heightOption({"y", "sizey", "height"}, "Initial viewport height.", "px",
                                    QString::number(Config::DefaultViewportHeight));
    parser.addOptions({widthOption, heightOption});
    parser.addPositionalArgument("scene", "QML scene file path");

    parser.process(*QApplication::instance());
    viewportWidth = parser.value(widthOption).toInt();
    viewportHeight = parser.value(heightOption).toInt();
    if(viewportWidth <= 0 || viewportHeight <= 0) {
        QTextStream(stderr) << "Error: Invalid viewport dimensions\n";
        parser.showHelp(1);
    }

    if(parser.positionalArguments().size() > 0) {
        sceneFilePath = parser.positionalArguments().at(0);
    }
}

int main(int argc, char *argv[])
{