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

Add ownerships takeover to chartaxis

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"

        Michal Klocek
    
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              r176
            
      #include "qchartaxis.h"

        Michal Klocek
    
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              r58
            
      #include <QGraphicsView>

      #include <QGraphicsScene>

      #include <QRubberBand>

      #include <QResizeEvent>

      #include <QDebug>

        Marek Rosa
    
Small fixes and QDoc comment in qchartview.cpp added

              r233
            
      /*!

          \class QChartView

          \brief Chart widget.

      */

        Michal Klocek
    
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              r58
            
      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      QChartView::QChartView(QWidget *parent) :

        Michal Klocek
    
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              r176
            
      QGraphicsView(parent),

        Jani Honkonen
    
Fix a major memory leak

              r204
            
      m_scene(new QGraphicsScene(this)),

        Michal Klocek
    
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              r176
            
      m_chart(new QChart()),

      m_rubberBand(0),

      m_verticalRubberBand(false),

      m_horizonalRubberBand(false)

      {

          setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

        Michal Klocek
    
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              r58
            
          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
    
Adds rubberband for zooming...

              r58
            
          QWidget::resizeEvent(event);

      }

        Michal Klocek
    
Refactors axis handling...

              r223
            
      void QChartView::addSeries(QChartSeries* series,QChartAxis *axisY)

        Michal Klocek
    
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              r58
            
      {

        Michal Klocek
    
Refactors axis handling...

              r223
            
          m_chart->addSeries(series,axisY);

        Michal Klocek
    
Adds rubberband for zooming...

              r58
            
      }

        Michal Klocek
    
Adds missing removeSeries call to chartview

              r245
            
      void QChartView::removeSeries(QChartSeries* series)

      {

          m_chart->removeSeries(series);

      }

        Michal Klocek
    
Refactors axis handling...

              r223
            
      void QChartView::zoomIn()

        Michal Klocek
    
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              r58
            
      {

        Michal Klocek
    
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              r223
            
          m_chart->zoomIn();

        Michal Klocek
    
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              r58
            
      }

        Michal Klocek
    
Refactors axis handling...

              r223
            
      void QChartView::zoomIn(const QRect& rect)

        Michal Klocek
    
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              r58
            
      {

        Michal Klocek
    
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              r223
            
          m_chart->zoomIn(rect);

        Michal Klocek
    
Adds rubberband for zooming...

              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
            
        Michal Klocek
    
Adds font handling for chart's titile...

              r192
            
      void QChartView::setChartTitle(const QString& title)

        Michal Klocek
    
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              r69
            
      {

        Michal Klocek
    
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              r192
            
          m_chart->setChartTitle(title);

      }

      void QChartView::setChartTitleFont(const QFont& font)

      {

          m_chart->setChartTitleFont(font);

        Michal Klocek
    
Add background to chart...

              r69
            
      }

        Michal Klocek
    
Change background gradient to use ObjectBoundingMode...

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

      {

        Michal Klocek
    
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              r176
            
          m_chart->setChartBackgroundBrush(brush);

        Michal Klocek
    
Change background gradient to use ObjectBoundingMode...

              r122
            
      }

      void QChartView::setChartBackgroundPen(const QPen& pen)

      {

        Michal Klocek
    
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              r176
            
          m_chart->setChartBackgroundPen(pen);

        Michal Klocek
    
Change background gradient to use ObjectBoundingMode...

              r122
            
      }

        Michal Klocek
    
Removes QChartWidget...

              r136
            
      void QChartView::setRubberBandPolicy(const RubberBandPolicy policy)

      {

        Michal Klocek
    
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              r176
            
          switch(policy) {

        Michal Klocek
    
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              r136
            
              case VerticalRubberBand:

        Michal Klocek
    
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              r176
            
              m_verticalRubberBand = true;

              m_horizonalRubberBand = false;

              break;

        Michal Klocek
    
Removes QChartWidget...

              r136
            
              case HorizonalRubberBand:

        Michal Klocek
    
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              r176
            
              m_verticalRubberBand = false;

              m_horizonalRubberBand = true;

              break;

        Michal Klocek
    
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              r136
            
              case RectangleRubberBand:

        Michal Klocek
    
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              r176
            
              m_verticalRubberBand = true;

              m_horizonalRubberBand = true;

              break;

        Michal Klocek
    
Removes QChartWidget...

              r136
            
              case NoRubberBand:

              default:

        Michal Klocek
    
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              r176
            
              delete m_rubberBand;

              m_rubberBand=0;

              m_horizonalRubberBand = false;

              m_verticalRubberBand = false;

              return;

        Michal Klocek
    
Removes QChartWidget...

              r136
            
          }

        Michal Klocek
    
Adds more axis handling...

              r176
            
          if(!m_rubberBand) {

              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)

      {

        Michal Klocek
    
Adds more axis handling...

              r176
            
          if(m_rubberBand && m_rubberBand->isVisible()) {

        Michal Klocek
    
Removes QChartWidget...

              r136
            
              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());

        Michal Klocek
    
Adds more axis handling...

              r176
            
          }

          else {

        Michal Klocek
    
Removes QChartWidget...

              r136
            
              QGraphicsView::mouseMoveEvent(event);

          }

      }

      void QChartView::mouseReleaseEvent(QMouseEvent *event)

      {

        Michal Klocek
    
Adds more axis handling...

              r176
            
          if(m_rubberBand) {

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

                  m_rubberBand->hide();

                  QRect rect = m_rubberBand->geometry();

        Michal Klocek
    
Refactors axis handling...

              r223
            
                  m_chart->zoomIn(rect);

        Michal Klocek
    
Adds more axis handling...

              r176
            
                  event->accept();

              }

        Michal Klocek
    
Removes QChartWidget...

              r136
            
        Michal Klocek
    
Adds more axis handling...

              r176
            
              if(event->button()==Qt::RightButton)

        Michal Klocek
    
Removes QChartWidget...

              r136
            
              m_chart->zoomReset();

        Michal Klocek
    
Adds more axis handling...

              r176
            
          }

          else {

        Michal Klocek
    
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              r136
            
              QGraphicsView::mouseReleaseEvent(event);

          }

      }

      void QChartView::keyPressEvent(QKeyEvent *event)

      {

          switch (event->key()) {

        Michal Klocek
    
Adds more axis handling...

              r176
            
              case Qt::Key_Plus:

        Michal Klocek
    
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              r136
            
              zoomIn();

              break;

        Michal Klocek
    
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              r176
            
              case Qt::Key_Minus:

        Michal Klocek
    
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              r136
            
              zoomOut();

              break;

        Michal Klocek
    
Adds more axis handling...

              r176
            
              default:

        Michal Klocek
    
Removes QChartWidget...

              r136
            
              QGraphicsView::keyPressEvent(event);

              break;

          }

      }

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

        Michal Klocek
    
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              r136
            
      {

        Michal Klocek
    
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              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
    
Refactors axis handling...

              r223
            
      QChartAxis* QChartView::axisX() const

        Michal Klocek
    
Add public function for axis hadnling to qchart

              r155
            
      {

        Michal Klocek
    
Refactors axis handling...

              r223
            
          return m_chart->axisX();

        Michal Klocek
    
Add public function for axis hadnling to qchart

              r155
            
      }

        Michal Klocek
    
Refactors axis handling...

              r223
            
      QChartAxis* QChartView::axisY() const

        Michal Klocek
    
Add public function for axis hadnling to qchart

              r155
            
      {

        Michal Klocek
    
Refactors axis handling...

              r223
            
          return m_chart->axisY();

        Michal Klocek
    
Add public function for axis hadnling to qchart

              r155
            
      }

        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"
Michal Klocek Adds more axis handling...	r176	#include "qchartaxis.h"
Michal Klocek Adds rubberband for zooming...	r58	#include <QGraphicsView>
		#include <QGraphicsScene>
		#include <QRubberBand>
		#include <QResizeEvent>
		#include <QDebug>

Marek Rosa Small fixes and QDoc comment in qchartview.cpp added	r233	/*!
		\class QChartView
		\brief Chart widget.
		*/

Michal Klocek Adds rubberband for zooming...	r58	QTCOMMERCIALCHART_BEGIN_NAMESPACE

		QChartView::QChartView(QWidget *parent) :
Michal Klocek Adds more axis handling...	r176	QGraphicsView(parent),
Jani Honkonen Fix a major memory leak	r204	m_scene(new QGraphicsScene(this)),
Michal Klocek Adds more axis handling...	r176	m_chart(new QChart()),
		m_rubberBand(0),
		m_verticalRubberBand(false),
		m_horizonalRubberBand(false)
		{
		setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
Michal Klocek Adds rubberband for zooming...	r58	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);
		}

Michal Klocek Refactors axis handling...	r223	void QChartView::addSeries(QChartSeries* series,QChartAxis *axisY)
Michal Klocek Adds rubberband for zooming...	r58	{
Michal Klocek Refactors axis handling...	r223	m_chart->addSeries(series,axisY);
Michal Klocek Adds rubberband for zooming...	r58	}

Michal Klocek Adds missing removeSeries call to chartview	r245	void QChartView::removeSeries(QChartSeries* series)
		{
		m_chart->removeSeries(series);
		}

Michal Klocek Refactors axis handling...	r223	void QChartView::zoomIn()
Michal Klocek Adds rubberband for zooming...	r58	{
Michal Klocek Refactors axis handling...	r223	m_chart->zoomIn();
Michal Klocek Adds rubberband for zooming...	r58	}

Michal Klocek Refactors axis handling...	r223	void QChartView::zoomIn(const QRect& rect)
Michal Klocek Adds rubberband for zooming...	r58	{
Michal Klocek Refactors axis handling...	r223	m_chart->zoomIn(rect);
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
Michal Klocek Adds font handling for chart's titile...	r192	void QChartView::setChartTitle(const QString& title)
Michal Klocek Add background to chart...	r69	{
Michal Klocek Adds font handling for chart's titile...	r192	m_chart->setChartTitle(title);
		}

		void QChartView::setChartTitleFont(const QFont& font)
		{
		m_chart->setChartTitleFont(font);
Michal Klocek Add background to chart...	r69	}

Michal Klocek Change background gradient to use ObjectBoundingMode...	r122	void QChartView::setChartBackgroundBrush(const QBrush& brush)
		{
Michal Klocek Adds more axis handling...	r176	m_chart->setChartBackgroundBrush(brush);
Michal Klocek Change background gradient to use ObjectBoundingMode...	r122	}
		void QChartView::setChartBackgroundPen(const QPen& pen)
		{
Michal Klocek Adds more axis handling...	r176	m_chart->setChartBackgroundPen(pen);
Michal Klocek Change background gradient to use ObjectBoundingMode...	r122	}
Michal Klocek Removes QChartWidget...	r136
		void QChartView::setRubberBandPolicy(const RubberBandPolicy policy)
		{
Michal Klocek Adds more axis handling...	r176	switch(policy) {
Michal Klocek Removes QChartWidget...	r136	case VerticalRubberBand:
Michal Klocek Adds more axis handling...	r176	m_verticalRubberBand = true;
		m_horizonalRubberBand = false;
		break;
Michal Klocek Removes QChartWidget...	r136	case HorizonalRubberBand:
Michal Klocek Adds more axis handling...	r176	m_verticalRubberBand = false;
		m_horizonalRubberBand = true;
		break;
Michal Klocek Removes QChartWidget...	r136	case RectangleRubberBand:
Michal Klocek Adds more axis handling...	r176	m_verticalRubberBand = true;
		m_horizonalRubberBand = true;
		break;
Michal Klocek Removes QChartWidget...	r136	case NoRubberBand:
		default:
Michal Klocek Adds more axis handling...	r176	delete m_rubberBand;
		m_rubberBand=0;
		m_horizonalRubberBand = false;
		m_verticalRubberBand = false;
		return;
Michal Klocek Removes QChartWidget...	r136	}
Michal Klocek Adds more axis handling...	r176	if(!m_rubberBand) {
		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)
		{
Michal Klocek Adds more axis handling...	r176	if(m_rubberBand && m_rubberBand->isVisible()) {
Michal Klocek Removes QChartWidget...	r136	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());
Michal Klocek Adds more axis handling...	r176	}
		else {
Michal Klocek Removes QChartWidget...	r136	QGraphicsView::mouseMoveEvent(event);
		}
		}

		void QChartView::mouseReleaseEvent(QMouseEvent *event)
		{
Michal Klocek Adds more axis handling...	r176	if(m_rubberBand) {
		if (event->button() == Qt::LeftButton && m_rubberBand->isVisible()) {
		m_rubberBand->hide();
		QRect rect = m_rubberBand->geometry();
Michal Klocek Refactors axis handling...	r223	m_chart->zoomIn(rect);
Michal Klocek Adds more axis handling...	r176	event->accept();
		}
Michal Klocek Removes QChartWidget...	r136
Michal Klocek Adds more axis handling...	r176	if(event->button()==Qt::RightButton)
Michal Klocek Removes QChartWidget...	r136	m_chart->zoomReset();
Michal Klocek Adds more axis handling...	r176	}
		else {
Michal Klocek Removes QChartWidget...	r136	QGraphicsView::mouseReleaseEvent(event);
		}
		}

		void QChartView::keyPressEvent(QKeyEvent *event)
		{
		switch (event->key()) {
Michal Klocek Adds more axis handling...	r176	case Qt::Key_Plus:
Michal Klocek Removes QChartWidget...	r136	zoomIn();
		break;
Michal Klocek Adds more axis handling...	r176	case Qt::Key_Minus:
Michal Klocek Removes QChartWidget...	r136	zoomOut();
		break;
Michal Klocek Adds more axis handling...	r176	default:
Michal Klocek Removes QChartWidget...	r136	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 Refactors axis handling...	r223	QChartAxis* QChartView::axisX() const
Michal Klocek Add public function for axis hadnling to qchart	r155	{
Michal Klocek Refactors axis handling...	r223	return m_chart->axisX();
Michal Klocek Add public function for axis hadnling to qchart	r155	}

Michal Klocek Refactors axis handling...	r223	QChartAxis* QChartView::axisY() const
Michal Klocek Add public function for axis hadnling to qchart	r155	{
Michal Klocek Refactors axis handling...	r223	return m_chart->axisY();
Michal Klocek Add public function for axis hadnling to qchart	r155	}

Michal Klocek Adds rubberband for zooming...	r58	QTCOMMERCIALCHART_END_NAMESPACE