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Diffstat (limited to 'examples/scatterinteractions/chartview.cpp')
-rw-r--r-- | examples/scatterinteractions/chartview.cpp | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/examples/scatterinteractions/chartview.cpp b/examples/scatterinteractions/chartview.cpp deleted file mode 100644 index e7ccd5c4..00000000 --- a/examples/scatterinteractions/chartview.cpp +++ /dev/null @@ -1,79 +0,0 @@ -/**************************************************************************** -** -** 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 "chartview.h" -#include <qmath.h> -#include <QDebug> - -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(); - m_scatter->setName("scatter1"); - 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(); - m_scatter2->setName("scatter2"); - - chart()->addSeries(m_scatter2); - chart()->addSeries(m_scatter); - chart()->createDefaultAxes(); - 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) -{ - QPointF clickedPoint = point; - // Find the closest point from series 1 - QPointF closest(INT_MAX, INT_MAX); - qreal distance(INT_MAX); - foreach (QPointF currentPoint, m_scatter->points()) { - qreal currentDistance = qSqrt((currentPoint.x() - clickedPoint.x()) - * (currentPoint.x() - clickedPoint.x()) - + (currentPoint.y() - clickedPoint.y()) - * (currentPoint.y() - clickedPoint.y())); - if (currentDistance < distance) { - distance = currentDistance; - closest = currentPoint; - } - } - - // Remove the closes point from series 1 and append it to series 2 - m_scatter->remove(closest); - m_scatter2->append(closest); -} |