main.cpp Example File

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  #include <QtCore/QUrl>
  #include <QtCore/QCommandLineOption>
  #include <QtCore/QCommandLineParser>
  #include <QGuiApplication>
  #include <QStyleHints>
  #include <QScreen>
  #include <QQmlApplicationEngine>
  #include <QtQml/QQmlContext>
  #include <QtWebView/QtWebView>

  // Workaround: As of Qt 5.4 QtQuick does not expose QUrl::fromUserInput.
  class Utils : public QObject {
      Q_OBJECT
  public:
      Utils(QObject* parent = 0) : QObject(parent) { }
      Q_INVOKABLE static QUrl fromUserInput(const QString& userInput);
  };

  QUrl Utils::fromUserInput(const QString& userInput)
  {
      if (userInput.isEmpty())
          return QUrl::fromUserInput("about:blank");
      const QUrl result = QUrl::fromUserInput(userInput);
      return result.isValid() ? result : QUrl::fromUserInput("about:blank");
  }

  #include "main.moc"

  int main(int argc, char *argv[])
  {
      QGuiApplication app(argc, argv);
      QtWebView::initialize();
      QGuiApplication::setApplicationDisplayName(QCoreApplication::translate("main",
                                                                             "QtWebView Example"));
      QCommandLineParser parser;
      QCoreApplication::setApplicationVersion(QT_VERSION_STR);
      parser.setApplicationDescription(QGuiApplication::applicationDisplayName());
      parser.addHelpOption();
      parser.addVersionOption();
      parser.addPositionalArgument("url", "The initial URL to open.");
      QStringList arguments = app.arguments();
  #ifdef Q_OS_WINRT
      arguments.removeAt(1); // The launcher always passes in the -ServerName parameter, breaking the command line parser
  #endif
      parser.process(arguments);
      const QString initialUrl = parser.positionalArguments().isEmpty() ?
          QStringLiteral("qt.io") : parser.positionalArguments().first();

      QQmlApplicationEngine engine;
      QQmlContext *context = engine.rootContext();
      context->setContextProperty(QStringLiteral("utils"), new Utils(&engine));
      context->setContextProperty(QStringLiteral("initialUrl"),
                                  Utils::fromUserInput(initialUrl));
      QRect geometry = QGuiApplication::primaryScreen()->availableGeometry();
      if (!QGuiApplication::styleHints()->showIsFullScreen()) {
          const QSize size = geometry.size() * 4 / 5;
          const QSize offset = (geometry.size() - size) / 2;
          const QPoint pos = geometry.topLeft() + QPoint(offset.width(), offset.height());
          geometry = QRect(pos, size);
      }
      context->setContextProperty(QStringLiteral("initialX"), geometry.x());
      context->setContextProperty(QStringLiteral("initialY"), geometry.y());
      context->setContextProperty(QStringLiteral("initialWidth"), geometry.width());
      context->setContextProperty(QStringLiteral("initialHeight"), geometry.height());

      engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
      if (engine.rootObjects().isEmpty())
          return -1;

      return app.exec();
  }