1 files changed, 72 insertions, 0 deletions
diff --git a/examples/charts/dynamicspline/chart.cpp b/examples/charts/dynamicspline/chart.cpp
new file mode 100644
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--- /dev/null
+++ b/examples/charts/dynamicspline/chart.cpp
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the Qt Enterprise Charts Add-on.
+**
+** $QT_BEGIN_LICENSE$
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "chart.h"
+#include <QAbstractAxis>
+#include <QSplineSeries>
+#include <QValueAxis>
+#include <QTime>
+#include <QDebug>
+
+Chart::Chart(QGraphicsItem *parent, Qt::WindowFlags wFlags):
+    QChart(QChart::ChartTypeCartesian, parent, wFlags),
+    m_series(0),
+    m_axis(new QValueAxis),
+    m_step(0),
+    m_x(5),
+    m_y(1)
+{
+    qsrand((uint) QTime::currentTime().msec());
+
+    QObject::connect(&m_timer, SIGNAL(timeout()), this, SLOT(handleTimeout()));
+    m_timer.setInterval(1000);
+
+    m_series = new QSplineSeries(this);
+    QPen green(Qt::red);
+    green.setWidth(3);
+    m_series->setPen(green);
+    m_series->append(m_x, m_y);
+
+    addSeries(m_series);
+    createDefaultAxes();
+    setAxisX(m_axis, m_series);
+    m_axis->setTickCount(5);
+    axisX()->setRange(0, 10);
+    axisY()->setRange(-5, 10);
+
+    m_timer.start();
+}
+
+Chart::~Chart()
+{
+
+}
+
+void Chart::handleTimeout()
+{
+    qreal x = plotArea().width() / m_axis->tickCount();
+    qreal y = (m_axis->max() - m_axis->min()) / m_axis->tickCount();
+    m_x += y;
+    m_y = qrand() % 5 - 2.5;
+    m_series->append(m_x, m_y);
+    scroll(x, 0);
+    if (m_x == 100)
+        m_timer.stop();
+}