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

reintroducing clicked and hovered signals to barset. Makes some things easier on QML api

Tero Ahola - - Load All Authors

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                r1490:b134c8a9174e

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             scatterchartitem.cpp
        
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             / src / scatterchart / scatterchartitem.cpp
          
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        Jani Honkonen
    
Add license headers

              r794
            
      /****************************************************************************

        Michal Klocek
    
Refactor xychartitem -> xychart

              r1218
            
       **

       ** 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

       ** $QT_END_LICENSE$

       **

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

        Jani Honkonen
    
Add license headers

              r794
            
        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      #include "scatterchartitem_p.h"

      #include "qscatterseries.h"

        Michal Klocek
    
Adds big fat pimpl to series classes...

              r938
            
      #include "qscatterseries_p.h"

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      #include "chartpresenter_p.h"

      #include <QPainter>

      #include <QGraphicsScene>

        Michal Klocek
    
Improves build configuration...

              r996
            
      #include <QDebug>

        Michal Klocek
    
Refactor xychartitem -> xychart

              r1218
            
      #include <QGraphicsSceneMouseEvent>

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        Michal Klocek
    
Refactors chartitem...

              r677
            
      ScatterChartItem::ScatterChartItem(QScatterSeries *series, ChartPresenter *presenter) :

        Tero Ahola
    
Visible property to abstract series

              r1342
            
          XYChart(series,presenter),

          QGraphicsItem(presenter ? presenter->rootItem() : 0),

          m_series(series),

          m_items(this),

        Tero Ahola
    
Fixed isVisible implementation in XY series

              r1346
            
          m_visible(true),

        Tero Ahola
    
Visible property to abstract series

              r1342
            
          m_shape(QScatterSeries::MarkerShapeRectangle),

          m_size(15)

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      {

        Michal Klocek
    
Adds big fat pimpl to series classes...

              r938
            
          QObject::connect(m_series->d_func(),SIGNAL(updated()), this, SLOT(handleUpdated()));

        Tero Ahola
    
Added notifiers for scatter properties

              r1349
            
          QObject::connect(m_series, SIGNAL(visibleChanged()), this, SLOT(handleUpdated()));

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          setZValue(ChartPresenter::ScatterSeriesZValue);

          setFlags(QGraphicsItem::ItemClipsChildrenToShape);

          handleUpdated();

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
          m_items.setHandlesChildEvents(false);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          // TODO: how to draw a drop shadow?

      //    QGraphicsDropShadowEffect *dropShadow = new QGraphicsDropShadowEffect();

      //    dropShadow->setOffset(2.0);

      //    dropShadow->setBlurRadius(2.0);

      //    setGraphicsEffect(dropShadow);

      }

      QRectF ScatterChartItem::boundingRect() const

      {

          return m_rect;

      }

      void ScatterChartItem::createPoints(int count)

      {

          for (int i = 0; i < count; ++i) {

        Michal Klocek
    
Release compilation fixes

              r689
            
              QGraphicsItem *item = 0;

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
              switch (m_shape) {

        Michal Klocek
    
Refactor xychartitem -> xychart

              r1218
            
                  case QScatterSeries::MarkerShapeCircle: {

                      QGraphicsEllipseItem* i = new QGraphicsEllipseItem(0,0,m_size,m_size);

                      const QRectF& rect = i->boundingRect();

                      i->setPos(-rect.width()/2,-rect.height()/2);

                      item = new Marker(i,this);

                      break;

                  }

                  case QScatterSeries::MarkerShapeRectangle: {

                      QGraphicsRectItem* i = new QGraphicsRectItem(0,0,m_size,m_size);

                      i->setPos(-m_size/2,-m_size/2);

                      item = new Marker(i,this);

                      break;

                  }

                  default:

                  qWarning()<<"Unsupported marker type";

                  break;

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
              }

              m_items.addToGroup(item);

          }

      }

      void ScatterChartItem::deletePoints(int count)

      {

          QList<QGraphicsItem *> items = m_items.childItems();

          for (int i = 0; i < count; ++i) {

              delete(items.takeLast());

          }

      }

        sauimone
    
minor code review issues. indent, spaces, brackets etc.

              r743
            
      void ScatterChartItem::markerSelected(Marker *marker)

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      {

        Tero Ahola
    
Fixed coordinate bug with QScatterSeries::onClicked

              r1410
            
          emit XYChart::clicked(calculateDomainPoint(marker->point()));

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      }

        Michal Klocek
    
Refactors animation handling for xyseries

              r1217
            
      void ScatterChartItem::updateGeometry()

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      {

        Michal Klocek
    
Refactors animation handling for xyseries

              r1217
            
          const QVector<QPointF>& points = geometryPoints();

        Marek Rosa
    
Added support for adding and removing data with model. Updated the example

              r545
            
          if(points.size()==0)

          {

        Marek Rosa
    
XYSeries model support refactored

              r1085
            
              deletePoints(m_items.childItems().count());

        Marek Rosa
    
Added support for adding and removing data with model. Updated the example

              r545
            
              return;

          }

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
        Michal Klocek
    
Bugfixes for unnesery geometry changes

              r869
            
          int diff = m_items.childItems().size() - points.size();

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          if(diff>0) {

              deletePoints(diff);

          }

          else if(diff<0) {

              createPoints(-diff);

          }

          if(diff!=0) handleUpdated();

          QList<QGraphicsItem*> items = m_items.childItems();

        Tero Ahola
    
Added area series to QML api

              r847
            
          for (int i = 0; i < points.size(); i++) {

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
              Marker* item = static_cast<Marker*>(items.at(i));

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
              const QPointF& point = points.at(i);

        Michal Klocek
    
Fix sctter series wrong points offset issue

              r536
            
              const QRectF& rect = item->boundingRect();

        Michal Klocek
    
Fixes and improvments to series API...

              r1057
            
              item->setPoint(point);

        Michal Klocek
    
Fix sctter series wrong points offset issue

              r536
            
              item->setPos(point.x()-rect.width()/2,point.y()-rect.height()/2);

        Tero Ahola
    
Fixed isVisible implementation in XY series

              r1346
            
              if(!m_visible || !clipRect().contains(point)) {

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
                  item->setVisible(false);

              }

              else {

                  item->setVisible(true);

              }

          }

          prepareGeometryChange();

          m_rect = clipRect();

        Michal Klocek
    
Refactor xychartitem -> xychart

              r1218
            
          setPos(origin());

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      }

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

      {

        Tero Ahola
    
Squashed bunch of warnings

              r611
            
          Q_UNUSED(painter)

          Q_UNUSED(option)

          Q_UNUSED(widget)

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      }

      void ScatterChartItem::setPen(const QPen& pen)

      {

          foreach(QGraphicsItem* item , m_items.childItems()) {

        Michal Klocek
    
Refactor xychartitem -> xychart

              r1218
            
              static_cast<Marker*>(item)->setPen(pen);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          }

      }

      void ScatterChartItem::setBrush(const QBrush& brush)

      {

          foreach(QGraphicsItem* item , m_items.childItems()) {

        Michal Klocek
    
Refactor xychartitem -> xychart

              r1218
            
              static_cast<Marker*>(item)->setBrush(brush);

          }

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      }

      void ScatterChartItem::handleUpdated()

      {

          int count = m_items.childItems().count();

          if(count==0) return;

        Tero Ahola
    
Fixed isVisible implementation in XY series

              r1346
            
          bool recreate = m_visible != m_series->isVisible()

                  || m_size != m_series->markerSize()

                  || m_shape != m_series->markerShape();

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
        Tero Ahola
    
Fixed isVisible implementation in XY series

              r1346
            
          m_visible = m_series->isVisible();

        Tero Ahola
    
Scatter customization to QML api

              r1276
            
          m_size = m_series->markerSize();

          m_shape = m_series->markerShape();

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
        Michal Klocek
    
Refactor xychartitem -> xychart

              r1218
            
          if(recreate) {

        Tero Ahola
    
Scatter customization to QML api

              r1276
            
              // TODO: optimize handleUpdate to recreate points only in case shape changed

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
              deletePoints(count);

              createPoints(count);

        Tero Ahola
    
Scatter customization to QML api

              r1276
            
              // Updating geometry is now safe, because it won't call handleUpdated unless it creates/deletes points

              updateGeometry();

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          }

          setPen(m_series->pen());

          setBrush(m_series->brush());

        Tero Ahola
    
Fixed scatter not updating on setBrush/setPen

              r1305
            
          update();

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      }

        Michal Klocek
    
Refactor xychartitem -> xychart

              r1218
            
      void ScatterChartItem::mousePressEvent(QGraphicsSceneMouseEvent *event)

      {

          emit XYChart::clicked(calculateDomainPoint(event->pos()));

      }

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      #include "moc_scatterchartitem_p.cpp"

      QTCOMMERCIALCHART_END_NAMESPACE

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Jani Honkonen Add license headers	r794	/****************************************************************************
Michal Klocek Refactor xychartitem -> xychart	r1218	**
		** 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
		** $QT_END_LICENSE$
		**
		****************************************************************************/
Jani Honkonen Add license headers	r794
Michal Klocek Refactor scatter chart to fit the other classes...	r470	#include "scatterchartitem_p.h"
		#include "qscatterseries.h"
Michal Klocek Adds big fat pimpl to series classes...	r938	#include "qscatterseries_p.h"
Michal Klocek Refactor scatter chart to fit the other classes...	r470	#include "chartpresenter_p.h"
		#include <QPainter>
		#include <QGraphicsScene>
Michal Klocek Improves build configuration...	r996	#include <QDebug>
Michal Klocek Refactor xychartitem -> xychart	r1218	#include <QGraphicsSceneMouseEvent>
Michal Klocek Refactor scatter chart to fit the other classes...	r470
		QTCOMMERCIALCHART_BEGIN_NAMESPACE

Michal Klocek Refactors chartitem...	r677	ScatterChartItem::ScatterChartItem(QScatterSeries series, ChartPresenter presenter) :
Tero Ahola Visible property to abstract series	r1342	XYChart(series,presenter),
		QGraphicsItem(presenter ? presenter->rootItem() : 0),
		m_series(series),
		m_items(this),
Tero Ahola Fixed isVisible implementation in XY series	r1346	m_visible(true),
Tero Ahola Visible property to abstract series	r1342	m_shape(QScatterSeries::MarkerShapeRectangle),
		m_size(15)
Michal Klocek Refactor scatter chart to fit the other classes...	r470	{
Michal Klocek Adds big fat pimpl to series classes...	r938	QObject::connect(m_series->d_func(),SIGNAL(updated()), this, SLOT(handleUpdated()));
Tero Ahola Added notifiers for scatter properties	r1349	QObject::connect(m_series, SIGNAL(visibleChanged()), this, SLOT(handleUpdated()));
Michal Klocek Refactor scatter chart to fit the other classes...	r470
		setZValue(ChartPresenter::ScatterSeriesZValue);
		setFlags(QGraphicsItem::ItemClipsChildrenToShape);

		handleUpdated();

Michal Klocek Adds missing scatter intercation implementation...	r541	m_items.setHandlesChildEvents(false);

Michal Klocek Refactor scatter chart to fit the other classes...	r470	// TODO: how to draw a drop shadow?
		// QGraphicsDropShadowEffect *dropShadow = new QGraphicsDropShadowEffect();
		// dropShadow->setOffset(2.0);
		// dropShadow->setBlurRadius(2.0);
		// setGraphicsEffect(dropShadow);
		}

		QRectF ScatterChartItem::boundingRect() const
		{
		return m_rect;
		}

		void ScatterChartItem::createPoints(int count)
		{
		for (int i = 0; i < count; ++i) {

Michal Klocek Release compilation fixes	r689	QGraphicsItem *item = 0;
Michal Klocek Refactor scatter chart to fit the other classes...	r470
		switch (m_shape) {
Michal Klocek Refactor xychartitem -> xychart	r1218	case QScatterSeries::MarkerShapeCircle: {
		QGraphicsEllipseItem* i = new QGraphicsEllipseItem(0,0,m_size,m_size);
		const QRectF& rect = i->boundingRect();
		i->setPos(-rect.width()/2,-rect.height()/2);
		item = new Marker(i,this);
		break;
		}
		case QScatterSeries::MarkerShapeRectangle: {
		QGraphicsRectItem* i = new QGraphicsRectItem(0,0,m_size,m_size);
		i->setPos(-m_size/2,-m_size/2);
		item = new Marker(i,this);
		break;
		}
		default:
		qWarning()<<"Unsupported marker type";
		break;
Michal Klocek Adds missing scatter intercation implementation...	r541
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}
		m_items.addToGroup(item);
		}
		}

		void ScatterChartItem::deletePoints(int count)
		{
		QList<QGraphicsItem *> items = m_items.childItems();

		for (int i = 0; i < count; ++i) {
		delete(items.takeLast());
		}
		}

sauimone minor code review issues. indent, spaces, brackets etc.	r743	void ScatterChartItem::markerSelected(Marker *marker)
Michal Klocek Refactor scatter chart to fit the other classes...	r470	{
Tero Ahola Fixed coordinate bug with QScatterSeries::onClicked	r1410	emit XYChart::clicked(calculateDomainPoint(marker->point()));
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}

Michal Klocek Refactors animation handling for xyseries	r1217	void ScatterChartItem::updateGeometry()
Michal Klocek Refactor scatter chart to fit the other classes...	r470	{
Michal Klocek Refactors animation handling for xyseries	r1217
		const QVector<QPointF>& points = geometryPoints();

Marek Rosa Added support for adding and removing data with model. Updated the example	r545	if(points.size()==0)
		{
Marek Rosa XYSeries model support refactored	r1085	deletePoints(m_items.childItems().count());
Marek Rosa Added support for adding and removing data with model. Updated the example	r545	return;
		}
Michal Klocek Refactor scatter chart to fit the other classes...	r470
Michal Klocek Bugfixes for unnesery geometry changes	r869	int diff = m_items.childItems().size() - points.size();
Michal Klocek Refactor scatter chart to fit the other classes...	r470
		if(diff>0) {
		deletePoints(diff);
		}
		else if(diff<0) {
		createPoints(-diff);
		}

		if(diff!=0) handleUpdated();

		QList<QGraphicsItem*> items = m_items.childItems();

Tero Ahola Added area series to QML api	r847	for (int i = 0; i < points.size(); i++) {
Michal Klocek Adds missing scatter intercation implementation...	r541	Marker* item = static_cast<Marker*>(items.at(i));
Michal Klocek Refactor scatter chart to fit the other classes...	r470	const QPointF& point = points.at(i);
Michal Klocek Fix sctter series wrong points offset issue	r536	const QRectF& rect = item->boundingRect();
Michal Klocek Fixes and improvments to series API...	r1057	item->setPoint(point);
Michal Klocek Fix sctter series wrong points offset issue	r536	item->setPos(point.x()-rect.width()/2,point.y()-rect.height()/2);
Tero Ahola Fixed isVisible implementation in XY series	r1346	if(!m_visible \|\| !clipRect().contains(point)) {
Michal Klocek Refactor scatter chart to fit the other classes...	r470	item->setVisible(false);
		}
		else {
		item->setVisible(true);
		}
		}

		prepareGeometryChange();
		m_rect = clipRect();
Michal Klocek Refactor xychartitem -> xychart	r1218	setPos(origin());
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}

		void ScatterChartItem::paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)
		{
Tero Ahola Squashed bunch of warnings	r611	Q_UNUSED(painter)
		Q_UNUSED(option)
		Q_UNUSED(widget)
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}

		void ScatterChartItem::setPen(const QPen& pen)
		{
		foreach(QGraphicsItem* item , m_items.childItems()) {
Michal Klocek Refactor xychartitem -> xychart	r1218	static_cast<Marker*>(item)->setPen(pen);
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}
		}

		void ScatterChartItem::setBrush(const QBrush& brush)
		{
		foreach(QGraphicsItem* item , m_items.childItems()) {
Michal Klocek Refactor xychartitem -> xychart	r1218	static_cast<Marker*>(item)->setBrush(brush);
		}
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}

		void ScatterChartItem::handleUpdated()
		{
		int count = m_items.childItems().count();

		if(count==0) return;

Tero Ahola Fixed isVisible implementation in XY series	r1346	bool recreate = m_visible != m_series->isVisible()
		\|\| m_size != m_series->markerSize()
		\|\| m_shape != m_series->markerShape();
Michal Klocek Refactor scatter chart to fit the other classes...	r470
Tero Ahola Fixed isVisible implementation in XY series	r1346	m_visible = m_series->isVisible();
Tero Ahola Scatter customization to QML api	r1276	m_size = m_series->markerSize();
		m_shape = m_series->markerShape();
Michal Klocek Refactor scatter chart to fit the other classes...	r470
Michal Klocek Refactor xychartitem -> xychart	r1218	if(recreate) {
Tero Ahola Scatter customization to QML api	r1276	// TODO: optimize handleUpdate to recreate points only in case shape changed
Michal Klocek Refactor scatter chart to fit the other classes...	r470	deletePoints(count);
		createPoints(count);
Tero Ahola Scatter customization to QML api	r1276
		// Updating geometry is now safe, because it won't call handleUpdated unless it creates/deletes points
		updateGeometry();
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}

		setPen(m_series->pen());
		setBrush(m_series->brush());
Tero Ahola Fixed scatter not updating on setBrush/setPen	r1305	update();
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}

Michal Klocek Refactor xychartitem -> xychart	r1218	void ScatterChartItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
		{
		emit XYChart::clicked(calculateDomainPoint(event->pos()));
		}

Michal Klocek Refactor scatter chart to fit the other classes...	r470	#include "moc_scatterchartitem_p.cpp"

		QTCOMMERCIALCHART_END_NAMESPACE