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3** Copyright (C) 2016 The Qt Company Ltd.
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6** This file is part of the Qt Charts module of the Qt Toolkit.
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29
30#include <QtWidgets/QApplication>
31#include <QtQml/QQmlContext>
32#include <QtQuick/QQuickView>
33#include <QtQml/QQmlEngine>
34#include <QtCore/QDir>
35#include "datasource.h"
36
37int main(int argc, char *argv[])
38{
39 // Qt Charts uses Qt Graphics View Framework for drawing, therefore QApplication must be used.
40 QApplication app(argc, argv);
41
42 QQuickView viewer;
43
44 // The following are needed to make examples run without having to install the module
45 // in desktop environments.
46#ifdef Q_OS_WIN
47 QString extraImportPath(QStringLiteral("%1/../../../../%2"));
48#else
49 QString extraImportPath(QStringLiteral("%1/../../../%2"));
50#endif
51 viewer.engine()->addImportPath(dir: extraImportPath.arg(args: QGuiApplication::applicationDirPath(),
52 args: QString::fromLatin1(str: "qml")));
53 QObject::connect(sender: viewer.engine(), signal: &QQmlEngine::quit, receiver: &viewer, slot: &QWindow::close);
54
55 viewer.setTitle(QStringLiteral("QML Oscilloscope"));
56
57 DataSource dataSource(&viewer);
58 viewer.rootContext()->setContextProperty("dataSource", &dataSource);
59
60 viewer.setSource(QUrl("qrc:/qml/qmloscilloscope/main.qml"));
61 viewer.setResizeMode(QQuickView::SizeRootObjectToView);
62 viewer.setColor(QColor("#404040"));
63 viewer.show();
64
65 return app.exec();
66}
67

source code of qtcharts/examples/charts/qmloscilloscope/main.cpp