main.cpp Example File

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  ** This file is part of the examples of the Qt Toolkit.
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  #include <QtCore/QTextStream>
  #include <QtGui/QGuiApplication>
  #include <QtQml/QQmlApplicationEngine>
  #include <QtQml/QQmlContext>
  #include <QtQuick/QQuickItem>

  static bool parseArgs(QStringList& args, QVariantMap& parameters)
  {

      while (!args.isEmpty()) {

          QString param = args.takeFirst();

          if (param.startsWith("--help")) {
              QTextStream out(stdout);
              out << "Usage: " << endl;
              out << "--plugin.<parameter_name> <parameter_value>    -  Sets parameter = value for plugin" << endl;
              out.flush();
              return true;
          }

          if (param.startsWith("--plugin.")) {

              param.remove(0, 9);

              if (args.isEmpty() || args.first().startsWith("--")) {
                  parameters[param] = true;
              } else {

                  QString value = args.takeFirst();

                  if (value == "true" || value == "on" || value == "enabled") {
                      parameters[param] = true;
                  } else if (value == "false" || value == "off"
                             || value == "disable") {
                      parameters[param] = false;
                  } else {
                      parameters[param] = value;
                  }
              }
          }
      }
      return false;
  }

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

      QVariantMap parameters;
      QStringList args(QCoreApplication::arguments());

      if (parseArgs(args, parameters))
          return 0;

      QQmlApplicationEngine engine;
      engine.addImportPath(QStringLiteral(":/imports"));
      engine.load(QUrl(QStringLiteral("qrc:///places.qml")));
      QObject::connect(&engine, SIGNAL(quit()), qApp, SLOT(quit()));

      QObject *item = engine.rootObjects().first();
      Q_ASSERT(item);

      QMetaObject::invokeMethod(item, "initializeProviders",
                                   Q_ARG(QVariant, QVariant::fromValue(parameters)));

      return application.exec();
  }