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

Copyright header changes Copyright header changes for Qt 5.5. Change-Id: I2b8e9356997de2c87a7436bcefd4d0948d566259 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

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             chartview.cpp
        
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             / examples / charts / polarchart / chartview.cpp
          
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        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
      /****************************************************************************

      **

        Titta Heikkala
    
Copyright header changes...

              r2776
            
      ** Copyright (C) 2015 The Qt Company Ltd

        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
      ** All rights reserved.

        Titta Heikkala
    
Copyright header changes...

              r2776
            
      ** For any questions to The Qt Company, please use contact form at http://qt.io

        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
      **

        Titta Heikkala
    
Updated license headers...

              r2740
            
      ** This file is part of the Qt Charts module.

        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
      **

        Titta Heikkala
    
Updated license headers...

              r2740
            
      ** Licensees holding valid commercial license for Qt may use this file in

      ** accordance with the Qt License Agreement provided with the Software

      ** or, alternatively, in accordance with the terms contained in a written

        Titta Heikkala
    
Copyright header changes...

              r2776
            
      ** agreement between you and The Qt Company.

        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
      **

      ** If you have questions regarding the use of this file, please use

        Titta Heikkala
    
Updated license headers...

              r2740
            
      ** contact form at http://qt.io

        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
      **

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

      #include "chartview.h"

        Titta Heikkala
    
Fix include syntax...

              r2714
            
      #include <QtGui/QMouseEvent>

      #include <QtCore/QDebug>

      #include <QtCharts/QAbstractAxis>

      #include <QtCharts/QValueAxis>

        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
        Titta Heikkala
    
Qt Charts project file structure change...

              r2712
            
      QT_CHARTS_USE_NAMESPACE

        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
      ChartView::ChartView(QWidget *parent)

          : QChartView(parent)

      {

      }

      //![1]

      void ChartView::keyPressEvent(QKeyEvent *event)

      {

          switch (event->key()) {

          case Qt::Key_Plus:

              chart()->zoomIn();

              break;

          case Qt::Key_Minus:

              chart()->zoomOut();

              break;

          case Qt::Key_Left:

              chart()->scroll(-1.0, 0);

              break;

          case Qt::Key_Right:

              chart()->scroll(1.0, 0);

              break;

          case Qt::Key_Up:

              chart()->scroll(0, 1.0);

              break;

          case Qt::Key_Down:

              chart()->scroll(0, -1.0);

              break;

          case Qt::Key_Space:

              switchChartType();

              break;

          default:

              QGraphicsView::keyPressEvent(event);

              break;

          }

      }

      //![1]

      //![2]

      void ChartView::switchChartType()

      {

          QChart *newChart;

          QChart *oldChart = chart();

          if (oldChart->chartType() == QChart::ChartTypeCartesian)

              newChart = new QPolarChart();

          else

              newChart = new QChart();

          // Move series and axes from old chart to new one

          QList<QAbstractSeries *> seriesList = oldChart->series();

          QList<QAbstractAxis *> axisList = oldChart->axes();

        Miikka Heikkinen
    
Fix compilation error...

              r2485
            
          QList<QPair<qreal, qreal> > axisRanges;

        Miikka Heikkinen
    
Add Polar chart support...

              r2483
            
          foreach (QAbstractAxis *axis, axisList) {

              QValueAxis *valueAxis = static_cast<QValueAxis *>(axis);

              axisRanges.append(QPair<qreal, qreal>(valueAxis->min(), valueAxis->max()));

          }

          foreach (QAbstractSeries *series, seriesList)

              oldChart->removeSeries(series);

          foreach (QAbstractAxis *axis, axisList) {

              oldChart->removeAxis(axis);

              newChart->addAxis(axis, axis->alignment());

          }

          foreach (QAbstractSeries *series, seriesList) {

              newChart->addSeries(series);

              foreach (QAbstractAxis *axis, axisList)

                  series->attachAxis(axis);

          }

          int count = 0;

          foreach (QAbstractAxis *axis, axisList) {

              axis->setRange(axisRanges[count].first, axisRanges[count].second);

              count++;

          }

          newChart->setTitle(oldChart->title());

          setChart(newChart);

          delete oldChart;

      }

      //![2]

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Miikka Heikkinen Add Polar chart support...	r2483	/****************************************************************************
		**
Titta Heikkala Copyright header changes...	r2776	** Copyright (C) 2015 The Qt Company Ltd
Miikka Heikkinen Add Polar chart support...	r2483	** All rights reserved.
Titta Heikkala Copyright header changes...	r2776	** For any questions to The Qt Company, please use contact form at http://qt.io
Miikka Heikkinen Add Polar chart support...	r2483	**
Titta Heikkala Updated license headers...	r2740	** This file is part of the Qt Charts module.
Miikka Heikkinen Add Polar chart support...	r2483	**
Titta Heikkala Updated license headers...	r2740	** Licensees holding valid commercial license for Qt may use this file in
		** accordance with the Qt License Agreement provided with the Software
		** or, alternatively, in accordance with the terms contained in a written
Titta Heikkala Copyright header changes...	r2776	** agreement between you and The Qt Company.
Miikka Heikkinen Add Polar chart support...	r2483	**
		** If you have questions regarding the use of this file, please use
Titta Heikkala Updated license headers...	r2740	** contact form at http://qt.io
Miikka Heikkinen Add Polar chart support...	r2483	**
		****************************************************************************/

		#include "chartview.h"
Titta Heikkala Fix include syntax...	r2714	#include <QtGui/QMouseEvent>
		#include <QtCore/QDebug>
		#include <QtCharts/QAbstractAxis>
		#include <QtCharts/QValueAxis>
Miikka Heikkinen Add Polar chart support...	r2483
Titta Heikkala Qt Charts project file structure change...	r2712	QT_CHARTS_USE_NAMESPACE
Miikka Heikkinen Add Polar chart support...	r2483
		ChartView::ChartView(QWidget *parent)
		: QChartView(parent)
		{
		}

		//![1]
		void ChartView::keyPressEvent(QKeyEvent *event)
		{
		switch (event->key()) {
		case Qt::Key_Plus:
		chart()->zoomIn();
		break;
		case Qt::Key_Minus:
		chart()->zoomOut();
		break;
		case Qt::Key_Left:
		chart()->scroll(-1.0, 0);
		break;
		case Qt::Key_Right:
		chart()->scroll(1.0, 0);
		break;
		case Qt::Key_Up:
		chart()->scroll(0, 1.0);
		break;
		case Qt::Key_Down:
		chart()->scroll(0, -1.0);
		break;
		case Qt::Key_Space:
		switchChartType();
		break;
		default:
		QGraphicsView::keyPressEvent(event);
		break;
		}
		}
		//![1]

		//![2]
		void ChartView::switchChartType()
		{
		QChart *newChart;
		QChart *oldChart = chart();

		if (oldChart->chartType() == QChart::ChartTypeCartesian)
		newChart = new QPolarChart();
		else
		newChart = new QChart();

		// Move series and axes from old chart to new one
		QList<QAbstractSeries *> seriesList = oldChart->series();
		QList<QAbstractAxis *> axisList = oldChart->axes();
Miikka Heikkinen Fix compilation error...	r2485	QList<QPair<qreal, qreal> > axisRanges;
Miikka Heikkinen Add Polar chart support...	r2483
		foreach (QAbstractAxis *axis, axisList) {
		QValueAxis valueAxis = static_cast<QValueAxis >(axis);
		axisRanges.append(QPair<qreal, qreal>(valueAxis->min(), valueAxis->max()));
		}

		foreach (QAbstractSeries *series, seriesList)
		oldChart->removeSeries(series);

		foreach (QAbstractAxis *axis, axisList) {
		oldChart->removeAxis(axis);
		newChart->addAxis(axis, axis->alignment());
		}

		foreach (QAbstractSeries *series, seriesList) {
		newChart->addSeries(series);
		foreach (QAbstractAxis *axis, axisList)
		series->attachAxis(axis);
		}

		int count = 0;
		foreach (QAbstractAxis *axis, axisList) {
		axis->setRange(axisRanges[count].first, axisRanges[count].second);
		count++;
		}

		newChart->setTitle(oldChart->title());
		setChart(newChart);
		delete oldChart;
		}
		//![2]