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

enablers for tooltip and floating values, bug fixing, updated examples. tidying up the code

Tero Ahola - - Load All Authors

File last commit:

r278:1d8f8b316dca


                r296:8254aab7233d

Download file

             scatterpresenter.cpp
        
                    157 lines
            
             | 5.5 KiB
            
                | text/x-c
            
             |
                CppLexer
            
             / src / scatterseries / scatterpresenter.cpp
          
                    History
                
                 |
                  Source
                 | Raw
                 |Copy content
                 |Copy permalink

        Tero Ahola
    
Moved scatter impl into a subfolder

              r194
            
      #include "scatterpresenter_p.h"

        Tero Ahola
    
Integrated scatter again. Missing functionality....

              r158
            
      #include "qscatterseries.h"

      #include <QPen>

      #include <QPainter>

      #include <QGraphicsScene>

      #include <QDebug>

        Tero Ahola
    
Refactored chartwidgettest test data impl

              r278
            
      #include <QTime>

        Tero Ahola
    
Integrated scatter again. Missing functionality....

              r158
            
      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      ScatterPresenter::ScatterPresenter(QScatterSeries *series, QGraphicsObject *parent) :

          ChartItem(parent),

          m_series(series),

          m_boundingRect(),

          //m_markerColor(QColor()),

        Tero Ahola
    
Enabled theme colors in scatter again

              r182
            
      //    m_markerColor(QColor(255, 0, 0)),

        Tero Ahola
    
Integrated scatter again. Missing functionality....

              r158
            
          m_visibleChartArea()

      {

          if (parent)

              m_boundingRect = parent->boundingRect();

          if (series) {

              connect(series, SIGNAL(changed()), this, SLOT(handleModelChanged()));

          }

      }

      void ScatterPresenter::handleDomainChanged(const Domain& domain)

      {

          m_visibleChartArea = domain;

          changeGeometry();

      }

      void ScatterPresenter::handleGeometryChanged(const QRectF& rect)

      {

          m_boundingRect = rect;

          changeGeometry();

      }

      void ScatterPresenter::handleModelChanged()

      {

          // TODO: more fine grained modelChanged signaling

          changeGeometry();

      }

      void ScatterPresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem */*option*/, QWidget */*widget*/)

      {

        Tero Ahola
    
Scatter series marker visuals

              r195
            
          // TODO: Optimization: avoid setting on every paint method call?

          // The custom settings in series override those defined by the theme

        Tero Ahola
    
Refactored chartwidgettest test data impl

              r278
            
          int shape = m_series->markerShape();

          painter->save();

          painter->setClipRect(m_boundingRect);

          // Paint dropshadow

          QPen dropShadowPen(QColor(0, 0, 0, 70));

          dropShadowPen.setWidth(3);

          painter->setPen(dropShadowPen);

          painter->setBrush(Qt::NoBrush);

          painter->setRenderHint(QPainter::Antialiasing);

          for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {

              if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))

                  switch (shape) {

                  case QScatterSeries::MarkerShapeDefault:

                      // Fallthrough, defaults to circle

                  case QScatterSeries::MarkerShapeCircle:

                      painter->drawChord(m_scenex.at(i) + 2, m_sceney.at(i) + 2, 9, 9, 0, 5760);

                      break;

                  case QScatterSeries::MarkerShapePoint:

                      //painter->drawPoint(m_scenex.at(i), m_sceney.at(i));

                      break;

                  case QScatterSeries::MarkerShapeRectangle:

                      painter->drawRect(m_scenex.at(i) + 2, m_sceney.at(i) + 2, 8, 8);

                      break;

                  case QScatterSeries::MarkerShapeTiltedRectangle: {

                      // TODO:

                      static const QPointF points[4] = {

                          QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),

                          QPointF(0.0 + m_scenex.at(i), 1.0 + m_sceney.at(i)),

                          QPointF(1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),

                          QPointF(0.0 + m_scenex.at(i), -1.0 + m_sceney.at(i))

                      };

                      painter->drawPolygon(points, 4);

                      break;

                  }

                  default:

                      // TODO: implement the rest of the shapes

                      Q_ASSERT(false);

                      break;

                  }

          }

        Tero Ahola
    
Documenting QScatterSeries

              r261
            
        Tero Ahola
    
Refactored chartwidgettest test data impl

              r278
            
          // Paint the shape

          QPen pen = m_markerPen;

          if (m_series->markerPen().color().isValid())

              pen = m_series->markerPen();

        Tero Ahola
    
Documenting QScatterSeries

              r261
            
          if (m_series->markerBrush().color().isValid())

              painter->setBrush(m_series->markerBrush());

          else

        Tero Ahola
    
Scatter series marker visuals

              r195
            
              painter->setBrush(m_markerBrush);

        Tero Ahola
    
Refactored chartwidgettest test data impl

              r278
            
          painter->setPen(pen);

          painter->setRenderHint(QPainter::Antialiasing, false);

        Tero Ahola
    
Integrated scatter again. Missing functionality....

              r158
            
          for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {

              if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))

        Tero Ahola
    
Scatter series marker visuals

              r195
            
                  switch (shape) {

                  case QScatterSeries::MarkerShapeDefault:

                      // Fallthrough, defaults to circle

                  case QScatterSeries::MarkerShapeCircle:

                      painter->drawChord(m_scenex.at(i), m_sceney.at(i), 9, 9, 0, 5760);

                      break;

                  case QScatterSeries::MarkerShapePoint:

                      painter->drawPoint(m_scenex.at(i), m_sceney.at(i));

                      break;

                  case QScatterSeries::MarkerShapeRectangle:

                      painter->drawRect(m_scenex.at(i), m_sceney.at(i), 9, 9);

                      break;

        Tero Ahola
    
Refactored chartwidgettest test data impl

              r278
            
                  case QScatterSeries::MarkerShapeTiltedRectangle: {

        Tero Ahola
    
Scatter series marker visuals

              r228
            
                      // TODO:

                      static const QPointF points[4] = {

                          QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),

                          QPointF(0.0 + m_scenex.at(i), 1.0 + m_sceney.at(i)),

                          QPointF(1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),

                          QPointF(0.0 + m_scenex.at(i), -1.0 + m_sceney.at(i))

                      };

                      painter->drawPolygon(points, 4);

        Tero Ahola
    
Scatter series marker visuals

              r195
            
                      break;

        Tero Ahola
    
Refactored chartwidgettest test data impl

              r278
            
                  }

        Tero Ahola
    
Scatter series marker visuals

              r195
            
                  default:

                      // TODO: implement the rest of the shapes

                      Q_ASSERT(false);

                      break;

                  }

        Tero Ahola
    
Integrated scatter again. Missing functionality....

              r158
            
          }

        Tero Ahola
    
Refactored chartwidgettest test data impl

              r278
            
          painter->restore();

        Tero Ahola
    
Integrated scatter again. Missing functionality....

              r158
            
      }

      void ScatterPresenter::changeGeometry()

      {

          if (m_boundingRect.isValid()) {

              prepareGeometryChange();

              qreal scalex = m_boundingRect.width() / m_visibleChartArea.spanX();

              qreal scaley = m_boundingRect.height() / m_visibleChartArea.spanY();

              m_scenex.clear();

              m_sceney.clear();

              // Convert relative coordinates to absolute pixel coordinates that can be used for drawing

              foreach (QPointF point, m_series->data()) {

                  m_scenex.append(m_boundingRect.left() + point.x() * scalex - m_visibleChartArea.m_minX * scalex);

                  m_sceney.append(m_boundingRect.bottom() - point.y() * scaley + m_visibleChartArea.m_minY * scaley);

              }

          }

      }

        Tero Ahola
    
Moved scatter impl into a subfolder

              r194
            
      #include "moc_scatterpresenter_p.cpp"

        Tero Ahola
    
Integrated scatter again. Missing functionality....

              r158
            
      QTCOMMERCIALCHART_END_NAMESPACE

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

Tero Ahola Moved scatter impl into a subfolder	r194	#include "scatterpresenter_p.h"
Tero Ahola Integrated scatter again. Missing functionality....	r158	#include "qscatterseries.h"
		#include <QPen>
		#include <QPainter>
		#include <QGraphicsScene>
		#include <QDebug>
Tero Ahola Refactored chartwidgettest test data impl	r278	#include <QTime>
Tero Ahola Integrated scatter again. Missing functionality....	r158
		QTCOMMERCIALCHART_BEGIN_NAMESPACE

		ScatterPresenter::ScatterPresenter(QScatterSeries series, QGraphicsObject parent) :
		ChartItem(parent),
		m_series(series),
		m_boundingRect(),
		//m_markerColor(QColor()),
Tero Ahola Enabled theme colors in scatter again	r182	// m_markerColor(QColor(255, 0, 0)),
Tero Ahola Integrated scatter again. Missing functionality....	r158	m_visibleChartArea()
		{
		if (parent)
		m_boundingRect = parent->boundingRect();

		if (series) {
		connect(series, SIGNAL(changed()), this, SLOT(handleModelChanged()));
		}
		}

		void ScatterPresenter::handleDomainChanged(const Domain& domain)
		{
		m_visibleChartArea = domain;
		changeGeometry();
		}

		void ScatterPresenter::handleGeometryChanged(const QRectF& rect)
		{
		m_boundingRect = rect;
		changeGeometry();
		}

		void ScatterPresenter::handleModelChanged()
		{
		// TODO: more fine grained modelChanged signaling
		changeGeometry();
		}

		void ScatterPresenter::paint(QPainter painter, const QStyleOptionGraphicsItem /option/, QWidget /widget*/)
		{
Tero Ahola Scatter series marker visuals	r195	// TODO: Optimization: avoid setting on every paint method call?
		// The custom settings in series override those defined by the theme
Tero Ahola Refactored chartwidgettest test data impl	r278	int shape = m_series->markerShape();

		painter->save();
		painter->setClipRect(m_boundingRect);

		// Paint dropshadow
		QPen dropShadowPen(QColor(0, 0, 0, 70));
		dropShadowPen.setWidth(3);
		painter->setPen(dropShadowPen);
		painter->setBrush(Qt::NoBrush);
		painter->setRenderHint(QPainter::Antialiasing);
		for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
		if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
		switch (shape) {
		case QScatterSeries::MarkerShapeDefault:
		// Fallthrough, defaults to circle
		case QScatterSeries::MarkerShapeCircle:
		painter->drawChord(m_scenex.at(i) + 2, m_sceney.at(i) + 2, 9, 9, 0, 5760);
		break;
		case QScatterSeries::MarkerShapePoint:
		//painter->drawPoint(m_scenex.at(i), m_sceney.at(i));
		break;
		case QScatterSeries::MarkerShapeRectangle:
		painter->drawRect(m_scenex.at(i) + 2, m_sceney.at(i) + 2, 8, 8);
		break;
		case QScatterSeries::MarkerShapeTiltedRectangle: {
		// TODO:
		static const QPointF points[4] = {
		QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
		QPointF(0.0 + m_scenex.at(i), 1.0 + m_sceney.at(i)),
		QPointF(1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
		QPointF(0.0 + m_scenex.at(i), -1.0 + m_sceney.at(i))
		};
		painter->drawPolygon(points, 4);
		break;
		}
		default:
		// TODO: implement the rest of the shapes
		Q_ASSERT(false);
		break;
		}
		}
Tero Ahola Documenting QScatterSeries	r261
Tero Ahola Refactored chartwidgettest test data impl	r278	// Paint the shape
		QPen pen = m_markerPen;
		if (m_series->markerPen().color().isValid())
		pen = m_series->markerPen();
Tero Ahola Documenting QScatterSeries	r261	if (m_series->markerBrush().color().isValid())
		painter->setBrush(m_series->markerBrush());
		else
Tero Ahola Scatter series marker visuals	r195	painter->setBrush(m_markerBrush);
Tero Ahola Refactored chartwidgettest test data impl	r278	painter->setPen(pen);
		painter->setRenderHint(QPainter::Antialiasing, false);
Tero Ahola Integrated scatter again. Missing functionality....	r158	for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
		if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
Tero Ahola Scatter series marker visuals	r195	switch (shape) {
		case QScatterSeries::MarkerShapeDefault:
		// Fallthrough, defaults to circle
		case QScatterSeries::MarkerShapeCircle:
		painter->drawChord(m_scenex.at(i), m_sceney.at(i), 9, 9, 0, 5760);
		break;
		case QScatterSeries::MarkerShapePoint:
		painter->drawPoint(m_scenex.at(i), m_sceney.at(i));
		break;
		case QScatterSeries::MarkerShapeRectangle:
		painter->drawRect(m_scenex.at(i), m_sceney.at(i), 9, 9);
		break;
Tero Ahola Refactored chartwidgettest test data impl	r278	case QScatterSeries::MarkerShapeTiltedRectangle: {
Tero Ahola Scatter series marker visuals	r228	// TODO:
		static const QPointF points[4] = {
		QPointF(-1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
		QPointF(0.0 + m_scenex.at(i), 1.0 + m_sceney.at(i)),
		QPointF(1.0 + m_scenex.at(i), 0.0 + m_sceney.at(i)),
		QPointF(0.0 + m_scenex.at(i), -1.0 + m_sceney.at(i))
		};
		painter->drawPolygon(points, 4);
Tero Ahola Scatter series marker visuals	r195	break;
Tero Ahola Refactored chartwidgettest test data impl	r278	}
Tero Ahola Scatter series marker visuals	r195	default:
		// TODO: implement the rest of the shapes
		Q_ASSERT(false);
		break;
		}
Tero Ahola Integrated scatter again. Missing functionality....	r158	}
Tero Ahola Refactored chartwidgettest test data impl	r278
		painter->restore();
Tero Ahola Integrated scatter again. Missing functionality....	r158	}

		void ScatterPresenter::changeGeometry()
		{
		if (m_boundingRect.isValid()) {

		prepareGeometryChange();
		qreal scalex = m_boundingRect.width() / m_visibleChartArea.spanX();
		qreal scaley = m_boundingRect.height() / m_visibleChartArea.spanY();
		m_scenex.clear();
		m_sceney.clear();

		// Convert relative coordinates to absolute pixel coordinates that can be used for drawing
		foreach (QPointF point, m_series->data()) {
		m_scenex.append(m_boundingRect.left() + point.x() * scalex - m_visibleChartArea.m_minX * scalex);
		m_sceney.append(m_boundingRect.bottom() - point.y() * scaley + m_visibleChartArea.m_minY * scaley);
		}
		}
		}

Tero Ahola Moved scatter impl into a subfolder	r194	#include "moc_scatterpresenter_p.cpp"
Tero Ahola Integrated scatter again. Missing functionality....	r158
		QTCOMMERCIALCHART_END_NAMESPACE