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Documentation for QML Weather demo app
Documentation for QML Weather demo app

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chartview.cpp
58 lines | 1.6 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2012 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 Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial 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 "chartview.h"
QTCOMMERCIALCHART_USE_NAMESPACE
ChartView::ChartView(QWidget *parent)
: QChartView(new QChart(), parent),
m_scatter(0),
m_scatter2(0)
{
setRenderHint(QPainter::Antialiasing);
chart()->setTitle("Click to interact with scatter points");
m_scatter = new QScatterSeries();
for(qreal x(0.5); x <= 4.0; x += 0.5) {
for(qreal y(0.5); y <= 4.0; y += 0.5) {
*m_scatter << QPointF(x, y);
}
}
m_scatter2 = new QScatterSeries();
chart()->addSeries(m_scatter2);
chart()->addSeries(m_scatter);
chart()->axisX()->setRange(0, 4.5);
chart()->axisY()->setRange(0, 4.5);
connect(m_scatter, SIGNAL(clicked(QPointF)), this, SLOT(handleClickedPoint(QPointF)));
}
ChartView::~ChartView()
{
}
void ChartView::handleClickedPoint(const QPointF& point)
{
m_scatter->remove(point);
m_scatter2->append(point);
}