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

Adds default gemoetry change call in case of new series

Jani Honkonen - - Load All Authors

File last commit:

r146:6c3759bde1fd


                r148:38a3d03baaf6

Download file

             piepresenter.cpp
        
                    122 lines
            
             | 3.4 KiB
            
                | text/x-c
            
             |
                CppLexer
            
             / src / piechart / piepresenter.cpp
          
                    History
                
                 |
                  Source
                 | Raw
                 |Copy content
                 |Copy permalink

        Jani Honkonen
    
Pie chart refactoring

              r142
            
        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      #include "piepresenter.h"

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      #include "pieslice.h"

      #include <QDebug>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      PiePresenter::PiePresenter(QGraphicsItem *parent, QPieSeries *series) :

        Jani Honkonen
    
Pie chart refactoring

              r142
            
          ChartItem(parent),

          m_pieSeries(series)

      {

          Q_ASSERT(parent);

          Q_ASSERT(series);

          m_rect = parentItem()->boundingRect();

          setAcceptHoverEvents(true);

      }

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      PiePresenter::~PiePresenter()

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      {

          while (m_slices.count())

              delete m_slices.takeLast();

      }

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      void PiePresenter::seriesChanged()

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      {

          const qreal fullPie = 360;

          qreal total = 0;

          // calculate total

          foreach (QPieSlice sliceData, m_pieSeries->slices())

              total += sliceData.m_value;

          // TODO: no need to create new slices in case size changed; we should re-use the existing ones

          while (m_slices.count())

              delete m_slices.takeLast();

          // create slices

          qreal angle = 0;

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

              QPieSlice sliceData = m_pieSeries->slice(i);

              qreal span = sliceData.m_value / total * fullPie;

              PieSlice *slice = new PieSlice(this, i, angle, span);

              m_slices.append(slice);

              angle += span;

          }

          resize();

      }

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      void PiePresenter::setSize(const QSizeF &size)

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      {

          // TODO: allow user setting the size?

          // TODO: allow user defining the margins?

          m_rect.setSize(size);

          resize();

      }

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      void PiePresenter::setPlotDomain(const PlotDomain& plotDomain)

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      {

          // TODO

      }

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      void PiePresenter::resize()

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      {

          m_pieRect = m_rect;

          if (m_pieRect.width() < m_pieRect.height()) {

              m_pieRect.setWidth(m_pieRect.width() * m_pieSeries->m_sizeFactor);

              m_pieRect.setHeight(m_pieRect.width());

              m_pieRect.moveCenter(m_rect.center());

          } else {

              m_pieRect.setHeight(m_pieRect.height() * m_pieSeries->m_sizeFactor);

              m_pieRect.setWidth(m_pieRect.height());

              m_pieRect.moveCenter(m_rect.center());

          }

          switch (m_pieSeries->m_position) {

              case QPieSeries::PiePositionTopLeft: {

                  m_pieRect.setHeight(m_pieRect.height() / 2);

                  m_pieRect.setWidth(m_pieRect.height());

                  m_pieRect.moveCenter(QPointF(m_rect.center().x() / 2, m_rect.center().y() / 2));

                  break;

              }

              case QPieSeries::PiePositionTopRight: {

                  m_pieRect.setHeight(m_pieRect.height() / 2);

                  m_pieRect.setWidth(m_pieRect.height());

                  m_pieRect.moveCenter(QPointF((m_rect.center().x() / 2) * 3, m_rect.center().y() / 2));

                  break;

              }

              case QPieSeries::PiePositionBottomLeft: {

                  m_pieRect.setHeight(m_pieRect.height() / 2);

                  m_pieRect.setWidth(m_pieRect.height());

                  m_pieRect.moveCenter(QPointF(m_rect.center().x() / 2, (m_rect.center().y() / 2) * 3));

                  break;

              }

              case QPieSeries::PiePositionBottomRight: {

                  m_pieRect.setHeight(m_pieRect.height() / 2);

                  m_pieRect.setWidth(m_pieRect.height());

                  m_pieRect.moveCenter(QPointF((m_rect.center().x() / 2) * 3, (m_rect.center().y() / 2) * 3));

                  break;

              }

              default:

                  break;

          }

          qDebug() << "presentation rect:" << m_rect;

          qDebug() << "pie rect:" << m_pieRect;

      }

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      void PiePresenter::handleDomainChanged(const Domain& domain)

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      {

          // TODO

      }

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      void PiePresenter::handleGeometryChanged(const QRectF& rect)

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      {

          setSize(rect.size());

      }

        Jani Honkonen
    
Moved pie stuff to own .pri file and rename stuff

              r146
            
      #include "moc_piepresenter.cpp"

        Jani Honkonen
    
Pie chart refactoring

              r142
            
      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

Jani Honkonen Pie chart refactoring	r142
Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	#include "piepresenter.h"
Jani Honkonen Pie chart refactoring	r142	#include "pieslice.h"
		#include <QDebug>

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	PiePresenter::PiePresenter(QGraphicsItem parent, QPieSeries series) :
Jani Honkonen Pie chart refactoring	r142	ChartItem(parent),
		m_pieSeries(series)
		{
		Q_ASSERT(parent);
		Q_ASSERT(series);
		m_rect = parentItem()->boundingRect();
		setAcceptHoverEvents(true);
		}

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	PiePresenter::~PiePresenter()
Jani Honkonen Pie chart refactoring	r142	{
		while (m_slices.count())
		delete m_slices.takeLast();
		}

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	void PiePresenter::seriesChanged()
Jani Honkonen Pie chart refactoring	r142	{
		const qreal fullPie = 360;
		qreal total = 0;

		// calculate total
		foreach (QPieSlice sliceData, m_pieSeries->slices())
		total += sliceData.m_value;

		// TODO: no need to create new slices in case size changed; we should re-use the existing ones
		while (m_slices.count())
		delete m_slices.takeLast();

		// create slices
		qreal angle = 0;
		for (int i=0; i<m_pieSeries->count(); i++) {
		QPieSlice sliceData = m_pieSeries->slice(i);
		qreal span = sliceData.m_value / total * fullPie;
		PieSlice *slice = new PieSlice(this, i, angle, span);
		m_slices.append(slice);
		angle += span;
		}

		resize();
		}

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	void PiePresenter::setSize(const QSizeF &size)
Jani Honkonen Pie chart refactoring	r142	{
		// TODO: allow user setting the size?
		// TODO: allow user defining the margins?
		m_rect.setSize(size);
		resize();
		}

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	void PiePresenter::setPlotDomain(const PlotDomain& plotDomain)
Jani Honkonen Pie chart refactoring	r142	{
		// TODO
		}

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	void PiePresenter::resize()
Jani Honkonen Pie chart refactoring	r142	{
		m_pieRect = m_rect;

		if (m_pieRect.width() < m_pieRect.height()) {
		m_pieRect.setWidth(m_pieRect.width() * m_pieSeries->m_sizeFactor);
		m_pieRect.setHeight(m_pieRect.width());
		m_pieRect.moveCenter(m_rect.center());
		} else {
		m_pieRect.setHeight(m_pieRect.height() * m_pieSeries->m_sizeFactor);
		m_pieRect.setWidth(m_pieRect.height());
		m_pieRect.moveCenter(m_rect.center());
		}

		switch (m_pieSeries->m_position) {
		case QPieSeries::PiePositionTopLeft: {
		m_pieRect.setHeight(m_pieRect.height() / 2);
		m_pieRect.setWidth(m_pieRect.height());
		m_pieRect.moveCenter(QPointF(m_rect.center().x() / 2, m_rect.center().y() / 2));
		break;
		}
		case QPieSeries::PiePositionTopRight: {
		m_pieRect.setHeight(m_pieRect.height() / 2);
		m_pieRect.setWidth(m_pieRect.height());
		m_pieRect.moveCenter(QPointF((m_rect.center().x() / 2) * 3, m_rect.center().y() / 2));
		break;
		}
		case QPieSeries::PiePositionBottomLeft: {
		m_pieRect.setHeight(m_pieRect.height() / 2);
		m_pieRect.setWidth(m_pieRect.height());
		m_pieRect.moveCenter(QPointF(m_rect.center().x() / 2, (m_rect.center().y() / 2) * 3));
		break;
		}
		case QPieSeries::PiePositionBottomRight: {
		m_pieRect.setHeight(m_pieRect.height() / 2);
		m_pieRect.setWidth(m_pieRect.height());
		m_pieRect.moveCenter(QPointF((m_rect.center().x() / 2) * 3, (m_rect.center().y() / 2) * 3));
		break;
		}
		default:
		break;
		}

		qDebug() << "presentation rect:" << m_rect;
		qDebug() << "pie rect:" << m_pieRect;
		}

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	void PiePresenter::handleDomainChanged(const Domain& domain)
Jani Honkonen Pie chart refactoring	r142	{
		// TODO
		}

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	void PiePresenter::handleGeometryChanged(const QRectF& rect)
Jani Honkonen Pie chart refactoring	r142	{
		setSize(rect.size());
		}

Jani Honkonen Moved pie stuff to own .pri file and rename stuff	r146	#include "moc_piepresenter.cpp"
Jani Honkonen Pie chart refactoring	r142
		QTCOMMERCIALCHART_END_NAMESPACE