HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/qchartview.cpp

Use signals from pieseries, visible hover and exploding slices

Michal Klocek - - Load All Authors

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             qchartview.cpp
        
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        Michal Klocek
    
Adds rubberband for zooming...

              r58
            
      #include "qchartview.h"

      #include "qchart.h"

      #include <QGraphicsView>

      #include <QGraphicsScene>

      #include <QRubberBand>

      #include <QResizeEvent>

      #include <QDebug>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      QChartView::QChartView(QWidget *parent) :

          QGraphicsView(parent),

          m_scene(new QGraphicsScene()),

        Michal Klocek
    
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              r136
            
          m_chart(new QChart()),

          m_rubberBand(0),

          m_verticalRubberBand(false),

          m_horizonalRubberBand(false)

        Michal Klocek
    
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              r58
            
      {

      	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

          setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

          setScene(m_scene);

          m_chart->setMargin(50);

          m_scene->addItem(m_chart);

          setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

      }

      QChartView::~QChartView()

      {

      }

      void QChartView::resizeEvent(QResizeEvent *event)

      {

          m_scene->setSceneRect(0,0,size().width(),size().height());

        Michal Klocek
    
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              r115
            
          m_chart->resize(size());

        Michal Klocek
    
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              r58
            
          QWidget::resizeEvent(event);

      }

      void QChartView::addSeries(QChartSeries* series)

      {

          m_chart->addSeries(series);

      }

        Tero Ahola
    
Refactored series creation with QChart

              r61
            
      QChartSeries* QChartView::createSeries(QChartSeries::QChartSeriesType type)

        Michal Klocek
    
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              r58
            
      {

        Tero Ahola
    
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              r61
            
          return m_chart->createSeries(type);

        Michal Klocek
    
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              r58
            
      }

        Michal Klocek
    
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              r67
            
      void QChartView::zoomInToRect(const QRect& rectangle)

        Michal Klocek
    
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              r58
            
      {

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              r67
            
          m_chart->zoomInToRect(rectangle);

        Michal Klocek
    
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              r58
            
      }

        Michal Klocek
    
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              r67
            
      void QChartView::zoomIn()

        Michal Klocek
    
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              r58
            
      {

        Michal Klocek
    
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              r67
            
          m_chart->zoomIn();

        Michal Klocek
    
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              r58
            
      }

        Michal Klocek
    
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              r67
            
      void QChartView::zoomOut()

        Michal Klocek
    
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              r58
            
      {

        Michal Klocek
    
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              r67
            
          m_chart->zoomOut();

        Michal Klocek
    
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              r58
            
      }

        Michal Klocek
    
Add zoom support...

              r67
            
      int QChartView::margin() const

      {

          return m_chart->margin();

      }

        Michal Klocek
    
Add background to chart...

              r69
            
      void QChartView::setTitle(const QString& title)

      {

          m_chart->setTitle(title);

      }

        Michal Klocek
    
Change background gradient to use ObjectBoundingMode...

              r122
            
      void QChartView::setChartBackgroundBrush(const QBrush& brush)

      {

      	 m_chart->setChartBackgroundBrush(brush);

      }

      void QChartView::setChartBackgroundPen(const QPen& pen)

      {

      	 m_chart->setChartBackgroundPen(pen);

      }

        Michal Klocek
    
Removes QChartWidget...

              r136
            
      void QChartView::setRubberBandPolicy(const RubberBandPolicy policy)

      {

          switch(policy){

              case VerticalRubberBand:

                  m_verticalRubberBand = true;

                  m_horizonalRubberBand = false;

                  break;

              case HorizonalRubberBand:

                  m_verticalRubberBand = false;

                  m_horizonalRubberBand = true;

                  break;

              case RectangleRubberBand:

                  m_verticalRubberBand = true;

                  m_horizonalRubberBand = true;

                  break;

              case NoRubberBand:

              default:

                  delete m_rubberBand;

                  m_rubberBand=0;

                  m_horizonalRubberBand = false;

                  m_verticalRubberBand = false;

                  return;

          }

        Michal Klocek
    
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              r138
            
          if(!m_rubberBand){

        Michal Klocek
    
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              r136
            
          m_rubberBand = new QRubberBand(QRubberBand::Rectangle, this);

          m_rubberBand->setEnabled(true);

        Michal Klocek
    
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              r138
            
          }

        Michal Klocek
    
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              r136
            
      }

      QChartView::RubberBandPolicy QChartView::rubberBandPolicy() const

      {

          if(m_horizonalRubberBand && m_verticalRubberBand) return RectangleRubberBand;

          if(m_horizonalRubberBand) return HorizonalRubberBand;

          if(m_verticalRubberBand) return VerticalRubberBand;

          return NoRubberBand;

      }

      void QChartView::mousePressEvent(QMouseEvent *event)

      {

          if(m_rubberBand && m_rubberBand->isEnabled() && event->button() == Qt::LeftButton) {

              int margin = m_chart->margin();

              QRect rect(margin, margin, width() - 2 * margin, height() - 2 * margin);

              if (rect.contains(event->pos())) {

                  m_rubberBandOrigin = event->pos();

                  m_rubberBand->setGeometry(QRect(m_rubberBandOrigin, QSize()));

                  m_rubberBand->show();

                  event->accept();

              }

          }

      }

      void QChartView::mouseMoveEvent(QMouseEvent *event)

      {

          if(m_rubberBand && m_rubberBand->isVisible()){

              int margin = m_chart->margin();

              QRect rect(margin, margin, width() - 2 * margin, height() - 2 * margin);

              int width = event->pos().x() - m_rubberBandOrigin.x();

              int height = event->pos().y() - m_rubberBandOrigin.y();

              if(!m_verticalRubberBand) {

                  m_rubberBandOrigin.setY(rect.top());

                  height = rect.height();

              }

              if(!m_horizonalRubberBand) {

                  m_rubberBandOrigin.setX(rect.left());

                  width= rect.width();

              }

              m_rubberBand->setGeometry(QRect(m_rubberBandOrigin.x(),m_rubberBandOrigin.y(), width,height).normalized());

          } else {

              QGraphicsView::mouseMoveEvent(event);

          }

      }

      void QChartView::mouseReleaseEvent(QMouseEvent *event)

      {

          if(m_rubberBand){

          if (event->button() == Qt::LeftButton && m_rubberBand->isVisible()) {

              m_rubberBand->hide();

              QRect rect = m_rubberBand->geometry();

              m_chart->zoomInToRect(rect);

              event->accept();

          }

          if(event->button()==Qt::RightButton)

              m_chart->zoomReset();

          }else{

              QGraphicsView::mouseReleaseEvent(event);

          }

      }

      void QChartView::keyPressEvent(QKeyEvent *event)

      {

          switch (event->key()) {

          case Qt::Key_Plus:

              zoomIn();

              break;

          case Qt::Key_Minus:

              zoomOut();

              break;

          default:

              QGraphicsView::keyPressEvent(event);

              break;

          }

      }

        Michal Klocek
    
Adds missing ids to theme classes

              r153
            
      void QChartView::setChartTheme(QChart::ChartTheme theme)

        Michal Klocek
    
Removes QChartWidget...

              r136
            
      {

        Michal Klocek
    
Adds missing ids to theme classes

              r153
            
          m_chart->setChartTheme(theme);

        Michal Klocek
    
Removes QChartWidget...

              r136
            
      }

        Michal Klocek
    
Adds missing ids to theme classes

              r153
            
      QChart::ChartTheme QChartView::chartTheme() const

      {

          return m_chart->chartTheme();

      }

        Michal Klocek
    
Removes QChartWidget...

              r136
            
        Michal Klocek
    
Add public function for axis hadnling to qchart

              r155
            
      QChartAxis* QChartView::axisX()

      {

          return m_chart->axisX();

      }

      QChartAxis* QChartView::axisY()

      {

          return m_chart->axisY();

      }

      QChartAxis* QChartView::addAxisX()

      {

          return m_chart->addAxisX();

      }

      QChartAxis* QChartView::addAxisY()

      {

          return m_chart->addAxisY();

      }

      void QChartView::removeAxis(QChartAxis* axis)

      {

          m_chart->removeAxis(axis);

      }

        Michal Klocek
    
Adds rubberband for zooming...

              r58
            
      QTCOMMERCIALCHART_END_NAMESPACE

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Michal Klocek Adds rubberband for zooming...	r58	#include "qchartview.h"
		#include "qchart.h"
		#include <QGraphicsView>
		#include <QGraphicsScene>
		#include <QRubberBand>
		#include <QResizeEvent>
		#include <QDebug>

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

		QChartView::QChartView(QWidget *parent) :
		QGraphicsView(parent),
		m_scene(new QGraphicsScene()),
Michal Klocek Removes QChartWidget...	r136	m_chart(new QChart()),
		m_rubberBand(0),
		m_verticalRubberBand(false),
		m_horizonalRubberBand(false)
Michal Klocek Adds rubberband for zooming...	r58	{
		setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
		setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
		setScene(m_scene);
		m_chart->setMargin(50);
		m_scene->addItem(m_chart);
		setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
		}

		QChartView::~QChartView()
		{
		}

		void QChartView::resizeEvent(QResizeEvent *event)
		{
		m_scene->setSceneRect(0,0,size().width(),size().height());
Michal Klocek Adds layout support for charts....	r115	m_chart->resize(size());
Michal Klocek Adds rubberband for zooming...	r58	QWidget::resizeEvent(event);
		}


		void QChartView::addSeries(QChartSeries* series)
		{
		m_chart->addSeries(series);
		}

Tero Ahola Refactored series creation with QChart	r61	QChartSeries* QChartView::createSeries(QChartSeries::QChartSeriesType type)
Michal Klocek Adds rubberband for zooming...	r58	{

Tero Ahola Refactored series creation with QChart	r61	return m_chart->createSeries(type);
Michal Klocek Adds rubberband for zooming...	r58	}

Michal Klocek Add zoom support...	r67	void QChartView::zoomInToRect(const QRect& rectangle)
Michal Klocek Adds rubberband for zooming...	r58	{
Michal Klocek Add zoom support...	r67	m_chart->zoomInToRect(rectangle);
Michal Klocek Adds rubberband for zooming...	r58	}

Michal Klocek Add zoom support...	r67	void QChartView::zoomIn()
Michal Klocek Adds rubberband for zooming...	r58	{
Michal Klocek Add zoom support...	r67	m_chart->zoomIn();
Michal Klocek Adds rubberband for zooming...	r58	}

Michal Klocek Add zoom support...	r67	void QChartView::zoomOut()
Michal Klocek Adds rubberband for zooming...	r58	{
Michal Klocek Add zoom support...	r67	m_chart->zoomOut();
Michal Klocek Adds rubberband for zooming...	r58	}

Michal Klocek Add zoom support...	r67	int QChartView::margin() const
		{
		return m_chart->margin();
		}
Michal Klocek Add background to chart...	r69
		void QChartView::setTitle(const QString& title)
		{
		m_chart->setTitle(title);
		}

Michal Klocek Change background gradient to use ObjectBoundingMode...	r122	void QChartView::setChartBackgroundBrush(const QBrush& brush)
		{
		m_chart->setChartBackgroundBrush(brush);
		}
		void QChartView::setChartBackgroundPen(const QPen& pen)
		{
		m_chart->setChartBackgroundPen(pen);
		}
Michal Klocek Removes QChartWidget...	r136

		void QChartView::setRubberBandPolicy(const RubberBandPolicy policy)
		{
		switch(policy){
		case VerticalRubberBand:
		m_verticalRubberBand = true;
		m_horizonalRubberBand = false;
		break;
		case HorizonalRubberBand:
		m_verticalRubberBand = false;
		m_horizonalRubberBand = true;
		break;
		case RectangleRubberBand:
		m_verticalRubberBand = true;
		m_horizonalRubberBand = true;
		break;
		case NoRubberBand:
		default:
		delete m_rubberBand;
		m_rubberBand=0;
		m_horizonalRubberBand = false;
		m_verticalRubberBand = false;
		return;
		}
Michal Klocek minor. memoryleak fix	r138	if(!m_rubberBand){
Michal Klocek Removes QChartWidget...	r136	m_rubberBand = new QRubberBand(QRubberBand::Rectangle, this);
		m_rubberBand->setEnabled(true);
Michal Klocek minor. memoryleak fix	r138	}
Michal Klocek Removes QChartWidget...	r136	}

		QChartView::RubberBandPolicy QChartView::rubberBandPolicy() const
		{
		if(m_horizonalRubberBand && m_verticalRubberBand) return RectangleRubberBand;
		if(m_horizonalRubberBand) return HorizonalRubberBand;
		if(m_verticalRubberBand) return VerticalRubberBand;
		return NoRubberBand;
		}


		void QChartView::mousePressEvent(QMouseEvent *event)
		{
		if(m_rubberBand && m_rubberBand->isEnabled() && event->button() == Qt::LeftButton) {

		int margin = m_chart->margin();
		QRect rect(margin, margin, width() - 2 * margin, height() - 2 * margin);

		if (rect.contains(event->pos())) {
		m_rubberBandOrigin = event->pos();
		m_rubberBand->setGeometry(QRect(m_rubberBandOrigin, QSize()));
		m_rubberBand->show();
		event->accept();
		}
		}
		}

		void QChartView::mouseMoveEvent(QMouseEvent *event)
		{
		if(m_rubberBand && m_rubberBand->isVisible()){
		int margin = m_chart->margin();
		QRect rect(margin, margin, width() - 2 * margin, height() - 2 * margin);
		int width = event->pos().x() - m_rubberBandOrigin.x();
		int height = event->pos().y() - m_rubberBandOrigin.y();
		if(!m_verticalRubberBand) {
		m_rubberBandOrigin.setY(rect.top());
		height = rect.height();
		}
		if(!m_horizonalRubberBand) {
		m_rubberBandOrigin.setX(rect.left());
		width= rect.width();
		}
		m_rubberBand->setGeometry(QRect(m_rubberBandOrigin.x(),m_rubberBandOrigin.y(), width,height).normalized());
		} else {
		QGraphicsView::mouseMoveEvent(event);
		}
		}

		void QChartView::mouseReleaseEvent(QMouseEvent *event)
		{
		if(m_rubberBand){
		if (event->button() == Qt::LeftButton && m_rubberBand->isVisible()) {
		m_rubberBand->hide();
		QRect rect = m_rubberBand->geometry();
		m_chart->zoomInToRect(rect);
		event->accept();
		}

		if(event->button()==Qt::RightButton)
		m_chart->zoomReset();
		}else{
		QGraphicsView::mouseReleaseEvent(event);
		}
		}

		void QChartView::keyPressEvent(QKeyEvent *event)
		{
		switch (event->key()) {
		case Qt::Key_Plus:
		zoomIn();
		break;
		case Qt::Key_Minus:
		zoomOut();
		break;
		default:
		QGraphicsView::keyPressEvent(event);
		break;
		}
		}

Michal Klocek Adds missing ids to theme classes	r153	void QChartView::setChartTheme(QChart::ChartTheme theme)
Michal Klocek Removes QChartWidget...	r136	{
Michal Klocek Adds missing ids to theme classes	r153	m_chart->setChartTheme(theme);
Michal Klocek Removes QChartWidget...	r136	}

Michal Klocek Adds missing ids to theme classes	r153	QChart::ChartTheme QChartView::chartTheme() const
		{
		return m_chart->chartTheme();
		}
Michal Klocek Removes QChartWidget...	r136
Michal Klocek Add public function for axis hadnling to qchart	r155	QChartAxis* QChartView::axisX()
		{
		return m_chart->axisX();
		}

		QChartAxis* QChartView::axisY()
		{
		return m_chart->axisY();
		}

		QChartAxis* QChartView::addAxisX()
		{
		return m_chart->addAxisX();
		}

		QChartAxis* QChartView::addAxisY()
		{
		return m_chart->addAxisY();
		}

		void QChartView::removeAxis(QChartAxis* axis)
		{
		m_chart->removeAxis(axis);
		}

Michal Klocek Adds rubberband for zooming...	r58	QTCOMMERCIALCHART_END_NAMESPACE