HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r1026:d9d576bb7abc

Tuned scatterinteractions example

Tero Ahola -

r1026:d9d576bb7abc

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r1026:d9d576bb7abc

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doc/images/examples_scatterinteractions.png created 644 binary 0 0

NO CONTENT: new file 100644, binary diff hidden

doc/src/examples-scatterinteractions.qdoc +2 0

                   \subtitle
                   The example shows how to create simple scatter chart and how to interact with the chart.
+                  \image examples_scatterinteractions.png
              */

examples/scatterinteractions/chartview.cpp ~~examples/scatterinteractions/mainwindow.cpp~~ renamed +16 -15

              **
              ****************************************************************************/
-             #include "mainwindow.h"
-             #include <QChartView>
+             #include "chartview.h"
              QTCOMMERCIALCHART_USE_NAMESPACE
-             MainWindow::MainWindow(QWidget *parent)
-                 : QMainWindow(parent)
+             ChartView::ChartView(QWidget *parent)
+                 : QChartView(new QChart(), parent),
+                   m_scatter(0),
+                   m_scatter2(0)
              {
-                 QChart *chart = new QChart();
-                 chart->setTitle("Click to remove scatter point");
+                 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) {
                          *m_scatter << QPointF(x, y);
                      }
                  }
+                 m_scatter2 = new QScatterSeries();
-                 chart->addSeries(m_scatter);
-                 chart->axisX()->setRange(0, 4.5);
-                 chart->axisY()->setRange(0, 4.5);
+                 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)));
-                 QChartView *chartView = new QChartView(chart);
-                 chartView->setRenderHint(QPainter::Antialiasing);
-                 setCentralWidget(chartView);
              }
-             MainWindow::~MainWindow()
+             ChartView::~ChartView()
              {
              }
-             void MainWindow::handleClickedPoint(const QPointF& point)
+             void ChartView::handleClickedPoint(const QPointF& point)
              {
                  m_scatter->remove(point);
+                 m_scatter2->append(point);
              }

examples/scatterinteractions/chartview.h ~~examples/scatterinteractions/mainwindow.h~~ renamed +6 -7

              #ifndef MAINWINDOW_H
              #define MAINWINDOW_H
-             #include <QtGui/QMainWindow>
-             #include <qchartglobal.h>
-             #include <qscatterseries.h>
+             #include <QChartGlobal>
+             #include <QChartView>
+             #include <QScatterSeries>
              QTCOMMERCIALCHART_USE_NAMESPACE
-             class MainWindow : public QMainWindow
+             class ChartView : public QChartView
              {
                  Q_OBJECT
              public:
-                 MainWindow(QWidget *parent = 0);
-                 ~MainWindow();
+                 ChartView(QWidget *parent = 0);
+                 ~ChartView();
              private Q_SLOTS:
                  void handleClickedPoint(const QPointF& point);
              private:
                  QScatterSeries *m_scatter;
                  QScatterSeries *m_scatter2;
-                 QScatterSeries *m_scatter3;
              };
              #endif // MAINWINDOW_H

examples/scatterinteractions/main.cpp +7 -4

              ****************************************************************************/
              #include <QtGui/QApplication>
-             #include "mainwindow.h"
+             #include <QMainWindow>
+             #include "chartview.h"
              int main(int argc, char *argv[])
              {
                  QApplication a(argc, argv);
-                 MainWindow w;
-                 w.resize(400, 300);
-                 w.show();
+                 QMainWindow window;
+                 ChartView chartView(&window);
+                 window.setCentralWidget(&chartView);
+                 window.resize(400, 300);
+                 window.show();
                  return a.exec();
              }

examples/scatterinteractions/scatterinteractions.pro +3 -2

              TARGET = scatterinteractions
              SOURCES += main.cpp\
-                     mainwindow.cpp
-             HEADERS  += mainwindow.h
+                 chartview.cpp
+             HEADERS  += \
+                 chartview.h

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