HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · examples/scatterinteractions/chartview.cpp

Fixed coordinate bug with QScatterSeries::onClicked

Tero Ahola - - Load All Authors

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             chartview.cpp
        
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        Jani Honkonen
    
Add/modify license headers

              r830
            
      /****************************************************************************

      **

      ** 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

      ** $QT_END_LICENSE$

      **

      ****************************************************************************/

        Tero Ahola
    
Tuned scatterinteractions example

              r1026
            
      #include "chartview.h"

        Tero Ahola
    
Fixed coordinate bug with QScatterSeries::onClicked

              r1410
            
      #include <math.h>

      #include <QDebug>

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
      QTCOMMERCIALCHART_USE_NAMESPACE

        Tero Ahola
    
Tuned scatterinteractions example

              r1026
            
      ChartView::ChartView(QWidget *parent)

          : QChartView(new QChart(), parent),

            m_scatter(0),

            m_scatter2(0)

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
      {

        Tero Ahola
    
Tuned scatterinteractions example

              r1026
            
          setRenderHint(QPainter::Antialiasing);

          chart()->setTitle("Click to interact with scatter points");

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
          m_scatter = new QScatterSeries();

        Tero Ahola
    
Named all series in example applications

              r1226
            
          m_scatter->setName("scatter1");

        Michal Klocek
    
Fix sctter series wrong points offset issue

              r536
            
          for(qreal x(0.5); x <= 4.0; x += 0.5) {

              for(qreal y(0.5); y <= 4.0; y += 0.5) {

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
                  *m_scatter << QPointF(x, y);

              }

          }

        Tero Ahola
    
Tuned scatterinteractions example

              r1026
            
          m_scatter2 = new QScatterSeries();

        Tero Ahola
    
Named all series in example applications

              r1226
            
          m_scatter2->setName("scatter2");

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
        Tero Ahola
    
Tuned scatterinteractions example

              r1026
            
          chart()->addSeries(m_scatter2);

          chart()->addSeries(m_scatter);

          chart()->axisX()->setRange(0, 4.5);

          chart()->axisY()->setRange(0, 4.5);

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
        Michal Klocek
    
Normalizes signal slots connections

              r967
            
          connect(m_scatter, SIGNAL(clicked(QPointF)), this, SLOT(handleClickedPoint(QPointF)));

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
      }

        Tero Ahola
    
Tuned scatterinteractions example

              r1026
            
      ChartView::~ChartView()

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
      {

      }

        Tero Ahola
    
Tuned scatterinteractions example

              r1026
            
      void ChartView::handleClickedPoint(const QPointF& point)

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
      {

        Tero Ahola
    
Fixed coordinate bug with QScatterSeries::onClicked

              r1410
            
          QPointF clickedPoint = point;

          // Find the closest point from series 1

          QPointF closest(INT64_MAX, INT64_MAX);

          qreal distance(INT64_MAX);

          foreach(QPointF currentPoint, m_scatter->points()) {

              qreal currentDistance = sqrt((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);

        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
      }

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Jani Honkonen Add/modify license headers	r830	/****************************************************************************
		**
		** 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
		** $QT_END_LICENSE$
		**
		****************************************************************************/

Tero Ahola Tuned scatterinteractions example	r1026	#include "chartview.h"
Tero Ahola Fixed coordinate bug with QScatterSeries::onClicked	r1410	#include <math.h>
		#include <QDebug>
Tero Ahola Clicked, remove and clear to QScatterSeries	r394
		QTCOMMERCIALCHART_USE_NAMESPACE

Tero Ahola Tuned scatterinteractions example	r1026	ChartView::ChartView(QWidget *parent)
		: QChartView(new QChart(), parent),
		m_scatter(0),
		m_scatter2(0)
Tero Ahola Clicked, remove and clear to QScatterSeries	r394	{
Tero Ahola Tuned scatterinteractions example	r1026	setRenderHint(QPainter::Antialiasing);

		chart()->setTitle("Click to interact with scatter points");
Tero Ahola Clicked, remove and clear to QScatterSeries	r394
		m_scatter = new QScatterSeries();
Tero Ahola Named all series in example applications	r1226	m_scatter->setName("scatter1");
Michal Klocek Fix sctter series wrong points offset issue	r536	for(qreal x(0.5); x <= 4.0; x += 0.5) {
		for(qreal y(0.5); y <= 4.0; y += 0.5) {
Tero Ahola Clicked, remove and clear to QScatterSeries	r394	*m_scatter << QPointF(x, y);
		}
		}
Tero Ahola Tuned scatterinteractions example	r1026	m_scatter2 = new QScatterSeries();
Tero Ahola Named all series in example applications	r1226	m_scatter2->setName("scatter2");
Tero Ahola Clicked, remove and clear to QScatterSeries	r394
Tero Ahola Tuned scatterinteractions example	r1026	chart()->addSeries(m_scatter2);
		chart()->addSeries(m_scatter);
		chart()->axisX()->setRange(0, 4.5);
		chart()->axisY()->setRange(0, 4.5);
Tero Ahola Clicked, remove and clear to QScatterSeries	r394
Michal Klocek Normalizes signal slots connections	r967	connect(m_scatter, SIGNAL(clicked(QPointF)), this, SLOT(handleClickedPoint(QPointF)));
Tero Ahola Clicked, remove and clear to QScatterSeries	r394	}

Tero Ahola Tuned scatterinteractions example	r1026	ChartView::~ChartView()
Tero Ahola Clicked, remove and clear to QScatterSeries	r394	{
		}

Tero Ahola Tuned scatterinteractions example	r1026	void ChartView::handleClickedPoint(const QPointF& point)
Tero Ahola Clicked, remove and clear to QScatterSeries	r394	{
Tero Ahola Fixed coordinate bug with QScatterSeries::onClicked	r1410	QPointF clickedPoint = point;
		// Find the closest point from series 1
		QPointF closest(INT64_MAX, INT64_MAX);
		qreal distance(INT64_MAX);
		foreach(QPointF currentPoint, m_scatter->points()) {
		qreal currentDistance = sqrt((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);
Tero Ahola Clicked, remove and clear to QScatterSeries	r394	}