HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · examples/donut/widget.cpp

Updated QML donut screenshot

Marek Rosa - - Load All Authors

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             widget.cpp
        
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             / examples / donut / widget.cpp
          
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        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
      #include "widget.h"

      #include <QChartView>

        Marek Rosa
    
Donut support simplified. Examples updated

              r1838
            
      #include <QChart>

      #include <QLegend>

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
      #include <QPieSeries>

      #include <QPieSlice>

      #include <QTime>

      #include <QGridLayout>

      #include <QTimer>

      QTCOMMERCIALCHART_USE_NAMESPACE

      Widget::Widget(QWidget *parent)

          : QWidget(parent)

      {    

          setMinimumSize(800, 600);

          qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [1]

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
          QChartView *chartView = new QChartView;

          chartView->setRenderHint(QPainter::Antialiasing);

        Marek Rosa
    
Donut support simplified. Examples updated

              r1838
            
          QChart *chart = chartView->chart();

          chart->setAnimationOptions(QChart::AllAnimations);

          chart->legend()->setVisible(false);

        Marek Rosa
    
Added titles to donut examples

              r1843
            
          chart->setTitle("Nested donuts example");

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [1]

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [2]

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
          qreal minSize = 0.1;

          qreal maxSize = 0.9;

        Marek Rosa
    
Donut support simplified. Examples updated

              r1838
            
          int donutCount = 5;

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [2]

          //! [3]

        Marek Rosa
    
Donut support simplified. Examples updated

              r1838
            
          for (int i = 0; i < donutCount; i++) {

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
              QPieSeries *donut = new QPieSeries;

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
              int sliceCount =  3 + qrand() % 3;

              for (int j = 0; j < sliceCount; j++) {

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
                  qreal value = 100 + qrand() % 100;

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
                  QPieSlice *slice = new QPieSlice(QString("%1").arg(value), value);

        Marek Rosa
    
Documented the donut example

              r1713
            
                  slice->setLabelVisible(true);

                  slice->setLabelColor(Qt::white);

                  slice->setLabelPosition(QPieSlice::LabelInsideTangential);

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
                  connect(slice, SIGNAL(hovered(bool)), this, SLOT(explodeSlice(bool)));

                  donut->append(slice);

        Marek Rosa
    
Donut support simplified. Examples updated

              r1838
            
                  donut->setHoleSize(minSize + i * (maxSize - minSize) / donutCount);

                  donut->setPieSize(minSize + (i + 1) * (maxSize - minSize) / donutCount);

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
              }

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
              m_donuts.append(donut);

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
              chartView->chart()->addSeries(donut);

          }

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [3]

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
          // create main layout

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [4]

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
          QGridLayout* mainLayout = new QGridLayout;

          mainLayout->addWidget(chartView, 1, 1);

          setLayout(mainLayout);

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [4]

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [5]

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
          updateTimer = new QTimer(this);

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
          connect(updateTimer, SIGNAL(timeout()), this, SLOT(updateRotation()));

        Marek Rosa
    
Documented the donut example

              r1713
            
          updateTimer->start(1250);

          //! [5]

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
      }

      Widget::~Widget()

      {

      }

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [6]

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
      void Widget::updateRotation()

      {

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
          for (int i = 0; i < m_donuts.count(); i++) {

              QPieSeries *donut = m_donuts.at(i);

        Marek Rosa
    
Added insert, remove and other common methodds to QDonutGroup. Donut example added

              r1693
            
              qreal phaseShift =  -50 + qrand() % 100;

              donut->setPieStartAngle(donut->pieStartAngle() + phaseShift);

              donut->setPieEndAngle(donut->pieEndAngle() + phaseShift);

          }

      }

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [6]

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [7]

        Marek Rosa
    
Removed QDonutGroup class. Added Donut Drill down example

              r1697
            
      void Widget::explodeSlice(bool exploded)

      {

          QPieSlice *slice = qobject_cast<QPieSlice *>(sender());

          if (exploded) {

              updateTimer->stop();

              qreal sliceStartAngle = slice->startAngle();

              qreal sliceEndAngle = slice->startAngle() + slice->angleSpan();

              QPieSeries *donut = slice->series();

              qreal seriesIndex = m_donuts.indexOf(donut);

              for (int i = seriesIndex + 1; i < m_donuts.count(); i++) {

                  m_donuts.at(i)->setPieStartAngle(sliceEndAngle);

                  m_donuts.at(i)->setPieEndAngle(360 + sliceStartAngle);

              }

          } else {

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

                  m_donuts.at(i)->setPieStartAngle(0);

                  m_donuts.at(i)->setPieEndAngle(360);

              }

              updateTimer->start();

          }

          slice->setExploded(exploded);

      }

        Marek Rosa
    
Documented the donut example

              r1713
            
          //! [7]

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Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	#include "widget.h"
		#include <QChartView>
Marek Rosa Donut support simplified. Examples updated	r1838	#include <QChart>
		#include <QLegend>
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	#include <QPieSeries>
		#include <QPieSlice>
		#include <QTime>
		#include <QGridLayout>
		#include <QTimer>

		QTCOMMERCIALCHART_USE_NAMESPACE

		Widget::Widget(QWidget *parent)
		: QWidget(parent)
		{
		setMinimumSize(800, 600);
		qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));

Marek Rosa Documented the donut example	r1713	//! [1]
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	QChartView *chartView = new QChartView;
		chartView->setRenderHint(QPainter::Antialiasing);
Marek Rosa Donut support simplified. Examples updated	r1838	QChart *chart = chartView->chart();
		chart->setAnimationOptions(QChart::AllAnimations);
		chart->legend()->setVisible(false);
Marek Rosa Added titles to donut examples	r1843	chart->setTitle("Nested donuts example");
Marek Rosa Documented the donut example	r1713	//! [1]
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693
Marek Rosa Documented the donut example	r1713	//! [2]
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697	qreal minSize = 0.1;
		qreal maxSize = 0.9;
Marek Rosa Donut support simplified. Examples updated	r1838	int donutCount = 5;
Marek Rosa Documented the donut example	r1713	//! [2]

		//! [3]
Marek Rosa Donut support simplified. Examples updated	r1838	for (int i = 0; i < donutCount; i++) {
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	QPieSeries *donut = new QPieSeries;
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697	int sliceCount = 3 + qrand() % 3;
		for (int j = 0; j < sliceCount; j++) {
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	qreal value = 100 + qrand() % 100;
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697	QPieSlice *slice = new QPieSlice(QString("%1").arg(value), value);
Marek Rosa Documented the donut example	r1713	slice->setLabelVisible(true);
		slice->setLabelColor(Qt::white);
		slice->setLabelPosition(QPieSlice::LabelInsideTangential);
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697	connect(slice, SIGNAL(hovered(bool)), this, SLOT(explodeSlice(bool)));
		donut->append(slice);
Marek Rosa Donut support simplified. Examples updated	r1838	donut->setHoleSize(minSize + i * (maxSize - minSize) / donutCount);
		donut->setPieSize(minSize + (i + 1) * (maxSize - minSize) / donutCount);
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	}
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697	m_donuts.append(donut);
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	chartView->chart()->addSeries(donut);
		}
Marek Rosa Documented the donut example	r1713	//! [3]
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693
		// create main layout
Marek Rosa Documented the donut example	r1713	//! [4]
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	QGridLayout* mainLayout = new QGridLayout;
		mainLayout->addWidget(chartView, 1, 1);
		setLayout(mainLayout);
Marek Rosa Documented the donut example	r1713	//! [4]
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693
Marek Rosa Documented the donut example	r1713	//! [5]
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697	updateTimer = new QTimer(this);
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	connect(updateTimer, SIGNAL(timeout()), this, SLOT(updateRotation()));
Marek Rosa Documented the donut example	r1713	updateTimer->start(1250);
		//! [5]
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	}

		Widget::~Widget()
		{

		}

Marek Rosa Documented the donut example	r1713	//! [6]
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	void Widget::updateRotation()
		{
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697	for (int i = 0; i < m_donuts.count(); i++) {
		QPieSeries *donut = m_donuts.at(i);
Marek Rosa Added insert, remove and other common methodds to QDonutGroup. Donut example added	r1693	qreal phaseShift = -50 + qrand() % 100;
		donut->setPieStartAngle(donut->pieStartAngle() + phaseShift);
		donut->setPieEndAngle(donut->pieEndAngle() + phaseShift);
		}
		}
Marek Rosa Documented the donut example	r1713	//! [6]
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697
Marek Rosa Documented the donut example	r1713	//! [7]
Marek Rosa Removed QDonutGroup class. Added Donut Drill down example	r1697	void Widget::explodeSlice(bool exploded)
		{
		QPieSlice slice = qobject_cast<QPieSlice >(sender());
		if (exploded) {
		updateTimer->stop();
		qreal sliceStartAngle = slice->startAngle();
		qreal sliceEndAngle = slice->startAngle() + slice->angleSpan();

		QPieSeries *donut = slice->series();
		qreal seriesIndex = m_donuts.indexOf(donut);
		for (int i = seriesIndex + 1; i < m_donuts.count(); i++) {
		m_donuts.at(i)->setPieStartAngle(sliceEndAngle);
		m_donuts.at(i)->setPieEndAngle(360 + sliceStartAngle);
		}
		} else {
		for (int i = 0; i < m_donuts.count(); i++) {
		m_donuts.at(i)->setPieStartAngle(0);
		m_donuts.at(i)->setPieEndAngle(360);
		}
		updateTimer->start();
		}
		slice->setExploded(exploded);
		}
Marek Rosa Documented the donut example	r1713	//! [7]