HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · demos/chartthemes/main.cpp

Area chart of theme example to use zero lower series

Tero Ahola - - Load All Authors

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             main.cpp
        
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             / demos / chartthemes / main.cpp
          
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        Jani Honkonen
    
Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).

              r508
            
      #include <QtGui/QApplication>

      #include <QMainWindow>

      #include <qchartglobal.h>

      #include <qchartview.h>

      #include <qpieseries.h>

      #include <qpieslice.h>

        Tero Ahola
    
Now using percent bar series in theme demo

              r521
            
      #include <qpercentbarseries.h>

        Tero Ahola
    
Fixed initial bounding rect issue with bar series

              r518
            
      #include <qbarset.h>

        Jani Honkonen
    
Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).

              r508
            
      #include <QGridLayout>

      #include <QFormLayout>

      #include <QComboBox>

      #include <QSpinBox>

      #include <QCheckBox>

      #include <QGroupBox>

      #include <QLabel>

      #include <QTime>

      #include <qlineseries.h>

      #include <qsplineseries.h>

      #include <qscatterseries.h>

      #include <qareaseries.h>

      QTCOMMERCIALCHART_USE_NAMESPACE

      typedef QPair<QPointF, QString> Data;

      typedef QList<Data> DataList;

      typedef QList<DataList> DataTable;

      class MainWidget : public QWidget

      {

          Q_OBJECT

      public:

          explicit MainWidget(QWidget* parent = 0)

              :QWidget(parent)

          {

              // set seed for random stuff

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

              // generate random data

              int listCount = 3;

              int valueMax = 100;

        Tero Ahola
    
Fixed initial bounding rect issue with bar series

              r518
            
              int valueCount = 21;

        Tero Ahola
    
Chartthemes example to use increasing x values

              r515
            
              for (int i(0); i < listCount; i++) {

        Jani Honkonen
    
Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).

              r508
            
                  DataList dataList;

        Tero Ahola
    
Chartthemes example to use increasing x values

              r515
            
                  for (int j(0); j < valueCount; j++) {

                      QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax);

        Jani Honkonen
    
Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).

              r508
            
                      QString label = QString::number(i) + ":" + QString::number(j);

                      dataList << Data(value, label);

                  }

                  m_dataTable << dataList;

              }

              // create layout

              QGridLayout* baseLayout = new QGridLayout();

              // theme combo

              m_themeComboBox = new QComboBox();

              m_themeComboBox->addItem("Default", QChart::ChartThemeDefault);

              m_themeComboBox->addItem("Vanilla", QChart::ChartThemeVanilla);

              m_themeComboBox->addItem("Icy", QChart::ChartThemeIcy);

              m_themeComboBox->addItem("Grayscale", QChart::ChartThemeGrayscale);

              m_themeComboBox->addItem("Scientific", QChart::ChartThemeScientific);

              connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this ,SLOT(updateTheme()));

              baseLayout->addWidget(new QLabel("Theme:"), 0, 0);

              baseLayout->addWidget(m_themeComboBox, 0, 1);

              // area chart

              QChartView *chart = new QChartView();

              chart->setChartTitle("Area chart");

              chart->setRenderHint(QPainter::Antialiasing);

              baseLayout->addWidget(chart, 1, 0);

              {

        Tero Ahola
    
Area chart of theme example to use zero lower series

              r539
            
                  for (int i(0); i < m_dataTable.count(); i++) {

                      QLineSeries *series1 = new QLineSeries(chart);

                      QLineSeries *series2 = new QLineSeries(chart);

                      foreach (Data data, m_dataTable[i]) {

                          series1->add(data.first);

                          series2->add(QPointF(data.first.x(), 0.0));

                      }

                      QAreaSeries *area = new QAreaSeries(series1, series2);

                      chart->addSeries(area);

                  }

        Jani Honkonen
    
Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).

              r508
            
              }

              m_charts << chart;

              // bar chart

              chart = new QChartView();

              chart->setChartTitle("bar chart");

              chart->setRenderHint(QPainter::Antialiasing);

              baseLayout->addWidget(chart, 1, 1);

        Tero Ahola
    
Fixed initial bounding rect issue with bar series

              r518
            
              {

                  QStringList categories;

                  // TODO: categories

                  for (int i(0); i < valueCount; i++)

                      categories << QString::number(i);

        Tero Ahola
    
Now using percent bar series in theme demo

              r521
            
                  QPercentBarSeries* series = new QPercentBarSeries(categories, chart);

        Tero Ahola
    
Fixed initial bounding rect issue with bar series

              r518
            
                  for (int i(0); i < m_dataTable.count(); i++) {

                      QBarSet *set = new QBarSet("Set" + QString::number(i));

                      foreach (Data data, m_dataTable[i])

                          *set << data.first.y();

                      series->addBarSet(set);

                  }

                  chart->addSeries(series);

              }

        Jani Honkonen
    
Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).

              r508
            
              m_charts << chart;

              // line chart

              chart = new QChartView();

              chart->setChartTitle("line chart");

              chart->setRenderHint(QPainter::Antialiasing);

              baseLayout->addWidget(chart, 1, 2);

              foreach (DataList list, m_dataTable) {

                  QLineSeries *series = new QLineSeries(chart);

                  foreach (Data data, list)

                      series->add(data.first);

                  chart->addSeries(series);

              }

              m_charts << chart;

              // pie chart

              chart = new QChartView();

              chart->setChartTitle("pie chart");

              chart->setRenderHint(QPainter::Antialiasing);

              baseLayout->addWidget(chart, 2, 0);

              qreal pieSize = 1.0 / m_dataTable.count();

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

                  QPieSeries *series = new QPieSeries(chart);

                  foreach (Data data, m_dataTable[i])

        Tero Ahola
    
Chartthemes example to use increasing x values

              r515
            
                      series->add(data.first.y(), data.second);

        Jani Honkonen
    
Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).

              r508
            
                  qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());

                  series->setPieSize(pieSize);

                  series->setPiePosition(hPos, 0.5);

                  chart->addSeries(series);

              }

              m_charts << chart;

              // spine chart

              chart = new QChartView();

              chart->setChartTitle("spline chart");

              chart->setRenderHint(QPainter::Antialiasing);

              baseLayout->addWidget(chart, 2, 1);

              foreach (DataList list, m_dataTable) {

                  QSplineSeries *series = new QSplineSeries(chart);

                  foreach (Data data, list)

                      series->add(data.first);

                  chart->addSeries(series);

              }

              m_charts << chart;

              // scatter chart

              chart = new QChartView();

              chart->setChartTitle("scatter chart");

              chart->setRenderHint(QPainter::Antialiasing);

              baseLayout->addWidget(chart, 2, 2);

              foreach (DataList list, m_dataTable) {

                  QScatterSeries *series = new QScatterSeries(chart);

                  foreach (Data data, list)

                      series->add(data.first);

                  chart->addSeries(series);

              }

              m_charts << chart;

              setLayout(baseLayout);

          }

      public Q_SLOTS:

          void updateTheme()

          {

              QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();

              foreach (QChartView *chart, m_charts)

                  chart->setChartTheme(theme);

          }

      private:

          QList<QChartView*> m_charts;

          QComboBox *m_themeComboBox;

          DataTable m_dataTable;

      };

      int main(int argc, char *argv[])

      {

          QApplication a(argc, argv);

          QMainWindow window;

          MainWidget* widget = new MainWidget();

          window.setCentralWidget(widget);

          window.resize(900, 600);

          window.show();

          return a.exec();

      }

      #include "main.moc"

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Jani Honkonen Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).	r508	#include <QtGui/QApplication>
		#include <QMainWindow>
		#include <qchartglobal.h>
		#include <qchartview.h>
		#include <qpieseries.h>
		#include <qpieslice.h>
Tero Ahola Now using percent bar series in theme demo	r521	#include <qpercentbarseries.h>
Tero Ahola Fixed initial bounding rect issue with bar series	r518	#include <qbarset.h>
Jani Honkonen Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).	r508	#include <QGridLayout>
		#include <QFormLayout>
		#include <QComboBox>
		#include <QSpinBox>
		#include <QCheckBox>
		#include <QGroupBox>
		#include <QLabel>
		#include <QTime>
		#include <qlineseries.h>
		#include <qsplineseries.h>
		#include <qscatterseries.h>
		#include <qareaseries.h>

		QTCOMMERCIALCHART_USE_NAMESPACE

		typedef QPair<QPointF, QString> Data;
		typedef QList<Data> DataList;
		typedef QList<DataList> DataTable;


		class MainWidget : public QWidget
		{
		Q_OBJECT

		public:
		explicit MainWidget(QWidget* parent = 0)
		:QWidget(parent)
		{
		// set seed for random stuff
		qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));

		// generate random data
		int listCount = 3;
		int valueMax = 100;
Tero Ahola Fixed initial bounding rect issue with bar series	r518	int valueCount = 21;
Tero Ahola Chartthemes example to use increasing x values	r515	for (int i(0); i < listCount; i++) {
Jani Honkonen Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).	r508	DataList dataList;
Tero Ahola Chartthemes example to use increasing x values	r515	for (int j(0); j < valueCount; j++) {
		QPointF value(j + (qreal) rand() / (qreal) RAND_MAX, qrand() % valueMax);
Jani Honkonen Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).	r508	QString label = QString::number(i) + ":" + QString::number(j);
		dataList << Data(value, label);
		}
		m_dataTable << dataList;
		}

		// create layout
		QGridLayout* baseLayout = new QGridLayout();

		// theme combo
		m_themeComboBox = new QComboBox();
		m_themeComboBox->addItem("Default", QChart::ChartThemeDefault);
		m_themeComboBox->addItem("Vanilla", QChart::ChartThemeVanilla);
		m_themeComboBox->addItem("Icy", QChart::ChartThemeIcy);
		m_themeComboBox->addItem("Grayscale", QChart::ChartThemeGrayscale);
		m_themeComboBox->addItem("Scientific", QChart::ChartThemeScientific);
		connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this ,SLOT(updateTheme()));
		baseLayout->addWidget(new QLabel("Theme:"), 0, 0);
		baseLayout->addWidget(m_themeComboBox, 0, 1);

		// area chart
		QChartView *chart = new QChartView();
		chart->setChartTitle("Area chart");
		chart->setRenderHint(QPainter::Antialiasing);
		baseLayout->addWidget(chart, 1, 0);
		{
Tero Ahola Area chart of theme example to use zero lower series	r539	for (int i(0); i < m_dataTable.count(); i++) {
		QLineSeries *series1 = new QLineSeries(chart);
		QLineSeries *series2 = new QLineSeries(chart);
		foreach (Data data, m_dataTable[i]) {
		series1->add(data.first);
		series2->add(QPointF(data.first.x(), 0.0));
		}
		QAreaSeries *area = new QAreaSeries(series1, series2);
		chart->addSeries(area);
		}
Jani Honkonen Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).	r508	}
		m_charts << chart;

		// bar chart
		chart = new QChartView();
		chart->setChartTitle("bar chart");
		chart->setRenderHint(QPainter::Antialiasing);
		baseLayout->addWidget(chart, 1, 1);
Tero Ahola Fixed initial bounding rect issue with bar series	r518	{
		QStringList categories;
		// TODO: categories
		for (int i(0); i < valueCount; i++)
		categories << QString::number(i);
Tero Ahola Now using percent bar series in theme demo	r521	QPercentBarSeries* series = new QPercentBarSeries(categories, chart);
Tero Ahola Fixed initial bounding rect issue with bar series	r518	for (int i(0); i < m_dataTable.count(); i++) {
		QBarSet *set = new QBarSet("Set" + QString::number(i));
		foreach (Data data, m_dataTable[i])
		*set << data.first.y();
		series->addBarSet(set);
		}
		chart->addSeries(series);
		}
Jani Honkonen Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).	r508	m_charts << chart;

		// line chart
		chart = new QChartView();
		chart->setChartTitle("line chart");
		chart->setRenderHint(QPainter::Antialiasing);
		baseLayout->addWidget(chart, 1, 2);
		foreach (DataList list, m_dataTable) {
		QLineSeries *series = new QLineSeries(chart);
		foreach (Data data, list)
		series->add(data.first);
		chart->addSeries(series);
		}
		m_charts << chart;

		// pie chart
		chart = new QChartView();
		chart->setChartTitle("pie chart");
		chart->setRenderHint(QPainter::Antialiasing);
		baseLayout->addWidget(chart, 2, 0);

		qreal pieSize = 1.0 / m_dataTable.count();
		for (int i=0; i<m_dataTable.count(); i++) {
		QPieSeries *series = new QPieSeries(chart);
		foreach (Data data, m_dataTable[i])
Tero Ahola Chartthemes example to use increasing x values	r515	series->add(data.first.y(), data.second);
Jani Honkonen Adding demos folder. Move piechartcustomization to it. Add chartthemes demo (incomplete).	r508	qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
		series->setPieSize(pieSize);
		series->setPiePosition(hPos, 0.5);
		chart->addSeries(series);
		}
		m_charts << chart;

		// spine chart
		chart = new QChartView();
		chart->setChartTitle("spline chart");
		chart->setRenderHint(QPainter::Antialiasing);
		baseLayout->addWidget(chart, 2, 1);
		foreach (DataList list, m_dataTable) {
		QSplineSeries *series = new QSplineSeries(chart);
		foreach (Data data, list)
		series->add(data.first);
		chart->addSeries(series);
		}
		m_charts << chart;

		// scatter chart
		chart = new QChartView();
		chart->setChartTitle("scatter chart");
		chart->setRenderHint(QPainter::Antialiasing);
		baseLayout->addWidget(chart, 2, 2);
		foreach (DataList list, m_dataTable) {
		QScatterSeries *series = new QScatterSeries(chart);
		foreach (Data data, list)
		series->add(data.first);
		chart->addSeries(series);
		}
		m_charts << chart;

		setLayout(baseLayout);
		}

		public Q_SLOTS:

		void updateTheme()
		{
		QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
		foreach (QChartView *chart, m_charts)
		chart->setChartTheme(theme);
		}

		private:
		QList<QChartView*> m_charts;
		QComboBox *m_themeComboBox;
		DataTable m_dataTable;
		};

		int main(int argc, char *argv[])
		{
		QApplication a(argc, argv);

		QMainWindow window;

		MainWidget* widget = new MainWidget();

		window.setCentralWidget(widget);
		window.resize(900, 600);
		window.show();

		return a.exec();
		}

		#include "main.moc"