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

QML api documentation skeletons for all the series.

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             chartview.cpp
        
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             / examples / zoomlinechart / chartview.cpp
          
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        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
      /****************************************************************************

        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

      ** $QT_END_LICENSE$

      **

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

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
      #include "chartview.h"

      #include <QMouseEvent>

      ChartView::ChartView(QChart *chart, QWidget *parent) :

        Jani Honkonen
    
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          QChartView(chart, parent),

          m_isTouching(false)

        Michal Klocek
    
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      {

        Jani Honkonen
    
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          setRubberBand(QChartView::RectangleRubberBand);

        Michal Klocek
    
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              r749
            
      }

        Jani Honkonen
    
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              r1187
            
      bool ChartView::viewportEvent(QEvent *event)

        Michal Klocek
    
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              r749
            
      {

        Jani Honkonen
    
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              r1187
            
          if (event->type() == QEvent::TouchBegin) {

              // By default touch events are converted to mouse events. So

              // after this event we will get a mouse event also but we want

              // to handle touch events as gestures only. So we need this safeguard

              // to block mouse events that are actually generated from touch.

              m_isTouching = true;

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
        Jani Honkonen
    
Add gestures support for zoomlinechart example...

              r1187
            
              // Turn off animations when handling gestures they

              // will only slow us down.

              chart()->setAnimationOptions(QChart::NoAnimation);

          }

          return QChartView::viewportEvent(event);

      }

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
        Jani Honkonen
    
Add gestures support for zoomlinechart example...

              r1187
            
      void ChartView::mousePressEvent(QMouseEvent *event)

      {

          if (m_isTouching)

              return;

          QChartView::mousePressEvent(event);

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
      }

      void ChartView::mouseMoveEvent(QMouseEvent *event)

      {

        Jani Honkonen
    
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              r1187
            
          if (m_isTouching)

              return;

          QChartView::mouseMoveEvent(event);

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
      }

      void ChartView::mouseReleaseEvent(QMouseEvent *event)

      {

        Jani Honkonen
    
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              r1187
            
          if (m_isTouching)

              m_isTouching = false;

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
        Jani Honkonen
    
Add gestures support for zoomlinechart example...

              r1187
            
          // Because we disabled animations when touch event was detected

          // we must put them back on.

          chart()->setAnimationOptions(QChart::SeriesAnimations);

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
        Jani Honkonen
    
Add gestures support for zoomlinechart example...

              r1187
            
          QChartView::mouseReleaseEvent(event);

        Michal Klocek
    
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              r749
            
      }

        Tero Ahola
    
Tuning zoom example (key zooming was removed from QChartView)

              r966
            
      //![1]

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
      void ChartView::keyPressEvent(QKeyEvent *event)

      {

          switch (event->key()) {

          case Qt::Key_Plus:

        Jani Honkonen
    
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              r1187
            
              chart()->zoomIn();

        Michal Klocek
    
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              r749
            
              break;

          case Qt::Key_Minus:

        Jani Honkonen
    
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              r1187
            
              chart()->zoomOut();

        Michal Klocek
    
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              r749
            
              break;

        Tero Ahola
    
Tuning zoom example (key zooming was removed from QChartView)

              r966
            
      //![1]

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
          case Qt::Key_Left:

        Jani Honkonen
    
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              r1187
            
              chart()->scrollLeft();

        Michal Klocek
    
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              r749
            
              break;

          case Qt::Key_Right:

        Jani Honkonen
    
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              r1187
            
              chart()->scrollRight();

        Michal Klocek
    
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              r749
            
              break;

          case Qt::Key_Up:

        Jani Honkonen
    
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              r1187
            
              chart()->scrollUp();

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
              break;

          case Qt::Key_Down:

        Jani Honkonen
    
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              r1187
            
              chart()->scrollDown();

        Michal Klocek
    
Add missing files from zoomchart example

              r749
            
              break;

          default:

              QGraphicsView::keyPressEvent(event);

              break;

          }

      }

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Michal Klocek Add missing files from zoomchart example	r749	/****************************************************************************
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
		** $QT_END_LICENSE$
		**
		****************************************************************************/
Michal Klocek Add missing files from zoomchart example	r749
		#include "chartview.h"
		#include <QMouseEvent>

		ChartView::ChartView(QChart chart, QWidget parent) :
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	QChartView(chart, parent),
		m_isTouching(false)
Michal Klocek Add missing files from zoomchart example	r749	{
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	setRubberBand(QChartView::RectangleRubberBand);
Michal Klocek Add missing files from zoomchart example	r749	}

Jani Honkonen Add gestures support for zoomlinechart example...	r1187	bool ChartView::viewportEvent(QEvent *event)
Michal Klocek Add missing files from zoomchart example	r749	{
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	if (event->type() == QEvent::TouchBegin) {
		// By default touch events are converted to mouse events. So
		// after this event we will get a mouse event also but we want
		// to handle touch events as gestures only. So we need this safeguard
		// to block mouse events that are actually generated from touch.
		m_isTouching = true;
Michal Klocek Add missing files from zoomchart example	r749
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	// Turn off animations when handling gestures they
		// will only slow us down.
		chart()->setAnimationOptions(QChart::NoAnimation);
		}
		return QChartView::viewportEvent(event);
		}
Michal Klocek Add missing files from zoomchart example	r749
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	void ChartView::mousePressEvent(QMouseEvent *event)
		{
		if (m_isTouching)
		return;
		QChartView::mousePressEvent(event);
Michal Klocek Add missing files from zoomchart example	r749	}

		void ChartView::mouseMoveEvent(QMouseEvent *event)
		{
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	if (m_isTouching)
		return;
		QChartView::mouseMoveEvent(event);
Michal Klocek Add missing files from zoomchart example	r749	}

		void ChartView::mouseReleaseEvent(QMouseEvent *event)
		{
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	if (m_isTouching)
		m_isTouching = false;
Michal Klocek Add missing files from zoomchart example	r749
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	// Because we disabled animations when touch event was detected
		// we must put them back on.
		chart()->setAnimationOptions(QChart::SeriesAnimations);
Michal Klocek Add missing files from zoomchart example	r749
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	QChartView::mouseReleaseEvent(event);
Michal Klocek Add missing files from zoomchart example	r749	}

Tero Ahola Tuning zoom example (key zooming was removed from QChartView)	r966	//![1]
Michal Klocek Add missing files from zoomchart example	r749	void ChartView::keyPressEvent(QKeyEvent *event)
		{
		switch (event->key()) {
		case Qt::Key_Plus:
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	chart()->zoomIn();
Michal Klocek Add missing files from zoomchart example	r749	break;
		case Qt::Key_Minus:
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	chart()->zoomOut();
Michal Klocek Add missing files from zoomchart example	r749	break;
Tero Ahola Tuning zoom example (key zooming was removed from QChartView)	r966	//![1]
Michal Klocek Add missing files from zoomchart example	r749	case Qt::Key_Left:
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	chart()->scrollLeft();
Michal Klocek Add missing files from zoomchart example	r749	break;
		case Qt::Key_Right:
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	chart()->scrollRight();
Michal Klocek Add missing files from zoomchart example	r749	break;
		case Qt::Key_Up:
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	chart()->scrollUp();
Michal Klocek Add missing files from zoomchart example	r749	break;
		case Qt::Key_Down:
Jani Honkonen Add gestures support for zoomlinechart example...	r1187	chart()->scrollDown();
Michal Klocek Add missing files from zoomchart example	r749	break;
		default:
		QGraphicsView::keyPressEvent(event);
		break;
		}
		}