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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             mainwindow.cpp
        
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      #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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				#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;
				}