HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · example/scatterinteractions/mainwindow.cpp

Introducing vertical and horizontal factors to control the position of the pie.

Tero Ahola - - Load All Authors

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                r454:06980850b7dd

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             mainwindow.cpp
        
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        Tero Ahola
    
Clicked, remove and clear to QScatterSeries

              r394
            
      #include "mainwindow.h"

      #include <qchartglobal.h>

      #include <qchartview.h>

      #include <QDebug>

      QTCOMMERCIALCHART_USE_NAMESPACE

      MainWindow::MainWindow(QWidget *parent)

          : QMainWindow(parent)

      {

          resize(400, 300);

          setWindowFlags(Qt::FramelessWindowHint);

          QChartView *chartView = new QChartView(this);

          chartView->setChartTitle("Click to play with points");

          chartView->setRenderHint(QPainter::Antialiasing);

          setCentralWidget(chartView);

          m_scatter = new QScatterSeries();

          for(qreal x(0.5); x <= 5.0; x += 0.5) {

              for(qreal y(0.5); y <= 5.0; y += 0.5) {

                  *m_scatter << QPointF(x, y);

              }

          }

          chartView->addSeries(m_scatter);

          // Add two more series

          m_scatter2 = new QScatterSeries();

          chartView->addSeries(m_scatter2);

          m_scatter3 = new QScatterSeries();

          chartView->addSeries(m_scatter3);

          connect(m_scatter, SIGNAL(clicked(QPointF)), this, SLOT(clickPoint(QPointF)));

      }

      MainWindow::~MainWindow()

      {

      }

      void MainWindow::clickPoint(QPointF coordinate)

      {

          // Remove the clicked point from the series and add points to the two other series we have

          int index = m_scatter->closestPoint(coordinate);

          QPointF point = m_scatter->data().at(index);

          Q_ASSERT(m_scatter->removeAt(index));

          point.rx() += 0.25;

          point.ry() += 0.25;

          *m_scatter2 << point;

          point.ry() -= 0.25;

          *m_scatter3 << point;

      }

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Tero Ahola Clicked, remove and clear to QScatterSeries	r394	#include "mainwindow.h"
		#include <qchartglobal.h>
		#include <qchartview.h>
		#include <QDebug>

		QTCOMMERCIALCHART_USE_NAMESPACE

		MainWindow::MainWindow(QWidget *parent)
		: QMainWindow(parent)
		{
		resize(400, 300);
		setWindowFlags(Qt::FramelessWindowHint);

		QChartView *chartView = new QChartView(this);
		chartView->setChartTitle("Click to play with points");
		chartView->setRenderHint(QPainter::Antialiasing);
		setCentralWidget(chartView);

		m_scatter = new QScatterSeries();
		for(qreal x(0.5); x <= 5.0; x += 0.5) {
		for(qreal y(0.5); y <= 5.0; y += 0.5) {
		*m_scatter << QPointF(x, y);
		}
		}
		chartView->addSeries(m_scatter);

		// Add two more series
		m_scatter2 = new QScatterSeries();
		chartView->addSeries(m_scatter2);
		m_scatter3 = new QScatterSeries();
		chartView->addSeries(m_scatter3);

		connect(m_scatter, SIGNAL(clicked(QPointF)), this, SLOT(clickPoint(QPointF)));
		}

		MainWindow::~MainWindow()
		{
		}

		void MainWindow::clickPoint(QPointF coordinate)
		{
		// Remove the clicked point from the series and add points to the two other series we have
		int index = m_scatter->closestPoint(coordinate);
		QPointF point = m_scatter->data().at(index);
		Q_ASSERT(m_scatter->removeAt(index));
		point.rx() += 0.25;
		point.ry() += 0.25;
		*m_scatter2 << point;
		point.ry() -= 0.25;
		*m_scatter3 << point;
		}