main.cpp Example File

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  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
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  #include "datasource.h"

  #include <QtDataVisualization/qutils.h>

  #include <QtGui/QGuiApplication>
  #include <QtCore/QDir>
  #include <QtQml/QQmlContext>
  #include <QtQuick/QQuickView>
  #include <QtQml/QQmlEngine>

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

      QQuickView viewer;

      // Enable antialiasing in direct rendering mode
      viewer.setFormat(QtDataVisualization::qDefaultSurfaceFormat());

      // The following are needed to make examples run without having to install the module
      // in desktop environments.
  #ifdef Q_OS_WIN
      QString extraImportPath(QStringLiteral("%1/../../../../%2"));
  #else
      QString extraImportPath(QStringLiteral("%1/../../../%2"));
  #endif
      viewer.engine()->addImportPath(extraImportPath.arg(QGuiApplication::applicationDirPath(),
                                        QString::fromLatin1("qml")));
      QObject::connect(viewer.engine(), &QQmlEngine::quit, &viewer, &QWindow::close);

      viewer.setTitle(QStringLiteral("Oscilloscope example"));

      DataSource dataSource;
      viewer.rootContext()->setContextProperty("dataSource", &dataSource);

      viewer.setSource(QUrl("qrc:/qml/qmloscilloscope/main.qml"));
      viewer.setResizeMode(QQuickView::SizeRootObjectToView);
      viewer.show();

      return app.exec();
  }