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

Adding more controls to piechartcustomization demo

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             main.cpp
        
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        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
      #include <QtGui/QApplication>

      #include <QMainWindow>

      #include <qchartglobal.h>

      #include <qchartview.h>

      #include <qpieseries.h>

      #include <qpieslice.h>

      #include <QGridLayout>

      #include <QFormLayout>

      #include <QComboBox>

      #include <QSpinBox>

      #include <QCheckBox>

      #include <QGroupBox>

      #include <QLabel>

        Jani Honkonen
    
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      #include <QPushButton>

      #include <QColorDialog>

        Jani Honkonen
    
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      QTCOMMERCIALCHART_USE_NAMESPACE

      class CustomSlice : public QPieSlice

      {

          Q_OBJECT

      public:

          CustomSlice(qreal value, QString label)

              :QPieSlice(value, label)

          {

              connect(this, SIGNAL(hoverEnter()), this, SLOT(handleHoverEnter()));

              connect(this, SIGNAL(hoverLeave()), this, SLOT(handleHoverLeave()));

          }

        Jani Honkonen
    
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      public:

          QBrush originalBrush()

          {

              return m_originalBrush;

          }

        Jani Honkonen
    
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      public Q_SLOTS:

          void handleHoverEnter()

          {

        Jani Honkonen
    
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              QBrush brush = this->sliceBrush();

        Jani Honkonen
    
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              m_originalBrush = brush;

              brush.setColor(brush.color().lighter());

        Jani Honkonen
    
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              r469
            
              setSliceBrush(brush);

        Jani Honkonen
    
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          }

          void handleHoverLeave()

          {

        Jani Honkonen
    
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              setSliceBrush(m_originalBrush);

        Jani Honkonen
    
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              r437
            
          }

      private:

          QBrush m_originalBrush;

      };

      class MainWidget : public QWidget

      {

          Q_OBJECT

      public:

          explicit MainWidget(QWidget* parent = 0)

        Jani Honkonen
    
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              :QWidget(parent),

              m_slice(0)

        Jani Honkonen
    
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          {

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              // create chart

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              m_chartView =  new QChartView();

              m_chartView->setChartTitle("Piechart customization");

        Jani Honkonen
    
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              // create series

        Jani Honkonen
    
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              m_series = new QPieSeries();

              *m_series << new CustomSlice(10.0, "Slice 1");

              *m_series << new CustomSlice(20.0, "Slice 2");

              *m_series << new CustomSlice(30.0, "Slice 3");

              *m_series << new CustomSlice(40.0, "Slice 4");

              *m_series << new CustomSlice(50.0, "Slice 5");

              m_chartView->addSeries(m_series);

        Jani Honkonen
    
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              connect(m_series, SIGNAL(clicked(QPieSlice*)), this, SLOT(handleSliceClicked(QPieSlice*)));

              // chart settings

              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);

              m_aaCheckBox = new QCheckBox();

              QFormLayout* chartSettingsLayout = new QFormLayout();

              chartSettingsLayout->addRow("Theme", m_themeComboBox);

              chartSettingsLayout->addRow("Antialiasing", m_aaCheckBox);

              QGroupBox* chartSettings = new QGroupBox("Chart");

              chartSettings->setLayout(chartSettingsLayout);

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

              connect(m_aaCheckBox, SIGNAL(toggled(bool)), this ,SLOT(updateChartSettings()));

              // series settings

        Jani Honkonen
    
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              m_hPosition = new QDoubleSpinBox();

              m_hPosition->setMinimum(0.0);

              m_hPosition->setMaximum(1.0);

              m_hPosition->setSingleStep(0.1);

        Jani Honkonen
    
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              r498
            
              m_hPosition->setValue(m_series->pieHorizontalPosition());

        Jani Honkonen
    
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              r437
            
        Jani Honkonen
    
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              m_vPosition = new QDoubleSpinBox();

              m_vPosition->setMinimum(0.0);

              m_vPosition->setMaximum(1.0);

              m_vPosition->setSingleStep(0.1);

        Jani Honkonen
    
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              m_vPosition->setValue(m_series->pieVerticalPosition());

        Jani Honkonen
    
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              m_sizeFactor = new QDoubleSpinBox();

              m_sizeFactor->setMinimum(0.0);

              m_sizeFactor->setMaximum(1.0);

              m_sizeFactor->setSingleStep(0.1);

        Jani Honkonen
    
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              m_sizeFactor->setValue(m_series->pieSize());

        Jani Honkonen
    
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              r437
            
              m_startAngle = new QDoubleSpinBox();

              m_startAngle->setMinimum(0.0);

              m_startAngle->setMaximum(360);

        Jani Honkonen
    
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              m_startAngle->setValue(m_series->pieStartAngle());

        Jani Honkonen
    
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              m_startAngle->setSingleStep(1);

              m_endAngle = new QDoubleSpinBox();

              m_endAngle->setMinimum(0.0);

              m_endAngle->setMaximum(360);

        Jani Honkonen
    
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              m_endAngle->setValue(m_series->pieEndAngle());

        Jani Honkonen
    
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              m_endAngle->setSingleStep(1);

              QFormLayout* seriesSettingsLayout = new QFormLayout();

              seriesSettingsLayout->addRow("Horizontal position", m_hPosition);

        Jani Honkonen
    
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              seriesSettingsLayout->addRow("Vertical position", m_vPosition);

        Jani Honkonen
    
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              seriesSettingsLayout->addRow("Size factor", m_sizeFactor);

              seriesSettingsLayout->addRow("Start angle", m_startAngle);

              seriesSettingsLayout->addRow("End angle", m_endAngle);

              QGroupBox* seriesSettings = new QGroupBox("Series");

              seriesSettings->setLayout(seriesSettingsLayout);

        Jani Honkonen
    
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              r511
            
              connect(m_vPosition, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));

              connect(m_hPosition, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));

              connect(m_sizeFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));

              connect(m_startAngle, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));

              connect(m_endAngle, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));

              // slice settings

        Jani Honkonen
    
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              r437
            
              m_sliceName = new QLabel("<click a slice>");

              m_sliceValue = new QDoubleSpinBox();

              m_sliceValue->setMaximum(1000);

              m_sliceLabelVisible = new QCheckBox();

        Jani Honkonen
    
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              r454
            
              m_sliceLabelArmFactor = new QDoubleSpinBox();

              m_sliceLabelArmFactor->setSingleStep(0.01);

        Jani Honkonen
    
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              r437
            
              m_sliceExploded = new QCheckBox();

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
              m_sliceExplodedFactor = new QDoubleSpinBox();

              m_sliceExplodedFactor->setSingleStep(0.01);

        Jani Honkonen
    
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              r511
            
              m_penWidth = new QDoubleSpinBox();

              m_penColor = new QPushButton();

              m_brushColor = new QPushButton();

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              QFormLayout* sliceSettingsLayout = new QFormLayout();

              sliceSettingsLayout->addRow("Selected", m_sliceName);

              sliceSettingsLayout->addRow("Value", m_sliceValue);

        Jani Honkonen
    
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              sliceSettingsLayout->addRow("Pen color", m_penColor);

              sliceSettingsLayout->addRow("Pen width", m_penWidth);

              sliceSettingsLayout->addRow("Brush color", m_brushColor);

        Jani Honkonen
    
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              sliceSettingsLayout->addRow("Label visible", m_sliceLabelVisible);

        Jani Honkonen
    
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              sliceSettingsLayout->addRow("Label arm length", m_sliceLabelArmFactor);

        Jani Honkonen
    
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              r437
            
              sliceSettingsLayout->addRow("Exploded", m_sliceExploded);

        Jani Honkonen
    
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              sliceSettingsLayout->addRow("Explode distance", m_sliceExplodedFactor);

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              QGroupBox* sliceSettings = new QGroupBox("Slice");

              sliceSettings->setLayout(sliceSettingsLayout);

              connect(m_sliceValue, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
              connect(m_penColor, SIGNAL(clicked()), this, SLOT(showPenColorDialog()));

              connect(m_penWidth, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));

              connect(m_brushColor, SIGNAL(clicked()), this, SLOT(showBrushColorDialog()));

        Jani Honkonen
    
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              r437
            
              connect(m_sliceLabelVisible, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
              connect(m_sliceLabelArmFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              connect(m_sliceExploded, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
              connect(m_sliceExplodedFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
              // create main layout

              QVBoxLayout *settingsLayout = new QVBoxLayout();

              settingsLayout->addWidget(chartSettings);

              settingsLayout->addWidget(seriesSettings);

              settingsLayout->addWidget(sliceSettings);

              settingsLayout->addStretch();

              QGridLayout* baseLayout = new QGridLayout();

              baseLayout->addLayout(settingsLayout, 0, 0);

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

              setLayout(baseLayout);

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              updateSerieSettings();

          }

      public Q_SLOTS:

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
          void updateChartSettings()

          {

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

              m_chartView->setChartTheme(theme);

              m_chartView->setRenderHint(QPainter::Antialiasing, m_aaCheckBox->isChecked());

          }

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
          void updateSerieSettings()

          {

        Jani Honkonen
    
Renamed the "factor" stuff from pie series API.

              r498
            
              m_series->setPiePosition(m_vPosition->value(), m_hPosition->value());

              m_series->setPieSize(m_sizeFactor->value());

              m_series->setPieStartAngle(m_startAngle->value());

              m_series->setPieEndAngle(m_endAngle->value());

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
          }

          void updateSliceSettings()

          {

        Jani Honkonen
    
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              if (!m_slice)

                  return;

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              m_slice->setValue(m_sliceValue->value());

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
              QPen pen = m_slice->slicePen();

              pen.setWidthF(m_penWidth->value());

              m_slice->setSlicePen(pen);

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              m_slice->setLabelVisible(m_sliceLabelVisible->isChecked());

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
              m_slice->setLabelArmLengthFactor(m_sliceLabelArmFactor->value());

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              m_slice->setExploded(m_sliceExploded->isChecked());

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
              m_slice->setExplodeDistanceFactor(m_sliceExplodedFactor->value());

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
          }

          void handleSliceClicked(QPieSlice* slice)

          {

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              m_slice = static_cast<CustomSlice*>(slice);

        Jani Honkonen
    
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              r437
            
              m_sliceName->setText(slice->label());

              m_sliceValue->blockSignals(true);

              m_sliceValue->setValue(slice->value());

              m_sliceValue->blockSignals(false);

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
              m_penColor->setText(m_slice->slicePen().color().name());

              m_sliceValue->blockSignals(true);

              m_penWidth->setValue(slice->slicePen().widthF());

              m_sliceValue->blockSignals(false);

              m_brushColor->setText(m_slice->originalBrush().color().name());

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              m_sliceLabelVisible->blockSignals(true);

              m_sliceLabelVisible->setChecked(slice->isLabelVisible());

              m_sliceLabelVisible->blockSignals(false);

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
              m_sliceLabelArmFactor->blockSignals(true);

              m_sliceLabelArmFactor->setValue(slice->labelArmLengthFactor());

              m_sliceLabelArmFactor->blockSignals(false);

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
              m_sliceExploded->blockSignals(true);

              m_sliceExploded->setChecked(slice->isExploded());

              m_sliceExploded->blockSignals(false);

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
              m_sliceExplodedFactor->blockSignals(true);

              m_sliceExplodedFactor->setValue(slice->explodeDistanceFactor());

              m_sliceExplodedFactor->blockSignals(false);

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
          }

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
          void showBrushColorDialog()

          {

              if (!m_slice)

                  return;

              QColorDialog dialog(m_slice->originalBrush().color());

              dialog.show();

              dialog.exec();

              QBrush brush = m_slice->originalBrush();

              brush.setColor(dialog.currentColor());

              m_slice->setSliceBrush(brush);

              m_brushColor->setText(dialog.currentColor().name());

          }

          void showPenColorDialog()

          {

              if (!m_slice)

                  return;

              QColorDialog dialog(m_slice->slicePen().color());

              dialog.show();

              dialog.exec();

              QPen pen = m_slice->slicePen();

              pen.setColor(dialog.currentColor());

              m_slice->setSlicePen(pen);

              m_penColor->setText(dialog.currentColor().name());

          }

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
      private:

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
          QComboBox *m_themeComboBox;

          QCheckBox *m_aaCheckBox;

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
          QChartView* m_chartView;

          QPieSeries* m_series;

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
          CustomSlice* m_slice;

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
          QDoubleSpinBox* m_hPosition;

          QDoubleSpinBox* m_vPosition;

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
          QDoubleSpinBox* m_sizeFactor;

          QDoubleSpinBox* m_startAngle;

          QDoubleSpinBox* m_endAngle;

          QLabel* m_sliceName;

          QDoubleSpinBox* m_sliceValue;

          QCheckBox* m_sliceLabelVisible;

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
          QDoubleSpinBox* m_sliceLabelArmFactor;

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
          QCheckBox* m_sliceExploded;

        Jani Honkonen
    
Introducing vertical and horizontal factors to control the position of the pie.

              r454
            
          QDoubleSpinBox* m_sliceExplodedFactor;

        Jani Honkonen
    
Adding more controls to piechartcustomization demo

              r511
            
          QPushButton *m_brushColor;

          QPushButton *m_penColor;

          QDoubleSpinBox* m_penWidth;

        Jani Honkonen
    
Added a pie chart customization example and refactoring the pie interface.

              r437
            
      };

      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 Added a pie chart customization example and refactoring the pie interface.	r437	#include <QtGui/QApplication>
		#include <QMainWindow>
		#include <qchartglobal.h>
		#include <qchartview.h>
		#include <qpieseries.h>
		#include <qpieslice.h>
		#include <QGridLayout>
		#include <QFormLayout>
		#include <QComboBox>
		#include <QSpinBox>
		#include <QCheckBox>
		#include <QGroupBox>
		#include <QLabel>
Jani Honkonen Adding more controls to piechartcustomization demo	r511	#include <QPushButton>
		#include <QColorDialog>
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437
		QTCOMMERCIALCHART_USE_NAMESPACE

		class CustomSlice : public QPieSlice
		{
		Q_OBJECT
		public:
		CustomSlice(qreal value, QString label)
		:QPieSlice(value, label)
		{
		connect(this, SIGNAL(hoverEnter()), this, SLOT(handleHoverEnter()));
		connect(this, SIGNAL(hoverLeave()), this, SLOT(handleHoverLeave()));
		}

Jani Honkonen Adding more controls to piechartcustomization demo	r511	public:
		QBrush originalBrush()
		{
		return m_originalBrush;
		}

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	public Q_SLOTS:

		void handleHoverEnter()
		{
Jani Honkonen Renaming pen & brush functions for pie and adding const	r469	QBrush brush = this->sliceBrush();
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_originalBrush = brush;
		brush.setColor(brush.color().lighter());
Jani Honkonen Renaming pen & brush functions for pie and adding const	r469	setSliceBrush(brush);
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	}

		void handleHoverLeave()
		{
Jani Honkonen Renaming pen & brush functions for pie and adding const	r469	setSliceBrush(m_originalBrush);
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	}

		private:
		QBrush m_originalBrush;
		};

		class MainWidget : public QWidget
		{
		Q_OBJECT

		public:
		explicit MainWidget(QWidget* parent = 0)
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	:QWidget(parent),
		m_slice(0)
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	{
Jani Honkonen Adding more controls to piechartcustomization demo	r511	// create chart
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_chartView = new QChartView();
		m_chartView->setChartTitle("Piechart customization");

Jani Honkonen Adding more controls to piechartcustomization demo	r511	// create series
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_series = new QPieSeries();
		*m_series << new CustomSlice(10.0, "Slice 1");
		*m_series << new CustomSlice(20.0, "Slice 2");
		*m_series << new CustomSlice(30.0, "Slice 3");
		*m_series << new CustomSlice(40.0, "Slice 4");
		*m_series << new CustomSlice(50.0, "Slice 5");
		m_chartView->addSeries(m_series);

Jani Honkonen Adding more controls to piechartcustomization demo	r511	connect(m_series, SIGNAL(clicked(QPieSlice)), this, SLOT(handleSliceClicked(QPieSlice)));

		// chart settings
		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);

		m_aaCheckBox = new QCheckBox();

		QFormLayout* chartSettingsLayout = new QFormLayout();
		chartSettingsLayout->addRow("Theme", m_themeComboBox);
		chartSettingsLayout->addRow("Antialiasing", m_aaCheckBox);
		QGroupBox* chartSettings = new QGroupBox("Chart");
		chartSettings->setLayout(chartSettingsLayout);

		connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this ,SLOT(updateChartSettings()));
		connect(m_aaCheckBox, SIGNAL(toggled(bool)), this ,SLOT(updateChartSettings()));

		// series settings
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	m_hPosition = new QDoubleSpinBox();
		m_hPosition->setMinimum(0.0);
		m_hPosition->setMaximum(1.0);
		m_hPosition->setSingleStep(0.1);
Jani Honkonen Renamed the "factor" stuff from pie series API.	r498	m_hPosition->setValue(m_series->pieHorizontalPosition());
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	m_vPosition = new QDoubleSpinBox();
		m_vPosition->setMinimum(0.0);
		m_vPosition->setMaximum(1.0);
		m_vPosition->setSingleStep(0.1);
Jani Honkonen Renamed the "factor" stuff from pie series API.	r498	m_vPosition->setValue(m_series->pieVerticalPosition());
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437
		m_sizeFactor = new QDoubleSpinBox();
		m_sizeFactor->setMinimum(0.0);
		m_sizeFactor->setMaximum(1.0);
		m_sizeFactor->setSingleStep(0.1);
Jani Honkonen Renamed the "factor" stuff from pie series API.	r498	m_sizeFactor->setValue(m_series->pieSize());
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437
		m_startAngle = new QDoubleSpinBox();
		m_startAngle->setMinimum(0.0);
		m_startAngle->setMaximum(360);
Jani Honkonen Renamed the "factor" stuff from pie series API.	r498	m_startAngle->setValue(m_series->pieStartAngle());
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_startAngle->setSingleStep(1);

		m_endAngle = new QDoubleSpinBox();
		m_endAngle->setMinimum(0.0);
		m_endAngle->setMaximum(360);
Jani Honkonen Renamed the "factor" stuff from pie series API.	r498	m_endAngle->setValue(m_series->pieEndAngle());
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_endAngle->setSingleStep(1);

		QFormLayout* seriesSettingsLayout = new QFormLayout();
		seriesSettingsLayout->addRow("Horizontal position", m_hPosition);
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	seriesSettingsLayout->addRow("Vertical position", m_vPosition);
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	seriesSettingsLayout->addRow("Size factor", m_sizeFactor);
		seriesSettingsLayout->addRow("Start angle", m_startAngle);
		seriesSettingsLayout->addRow("End angle", m_endAngle);
		QGroupBox* seriesSettings = new QGroupBox("Series");
		seriesSettings->setLayout(seriesSettingsLayout);

Jani Honkonen Adding more controls to piechartcustomization demo	r511	connect(m_vPosition, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
		connect(m_hPosition, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
		connect(m_sizeFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
		connect(m_startAngle, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
		connect(m_endAngle, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));

		// slice settings
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_sliceName = new QLabel("<click a slice>");
		m_sliceValue = new QDoubleSpinBox();
		m_sliceValue->setMaximum(1000);
		m_sliceLabelVisible = new QCheckBox();
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	m_sliceLabelArmFactor = new QDoubleSpinBox();
		m_sliceLabelArmFactor->setSingleStep(0.01);
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_sliceExploded = new QCheckBox();
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	m_sliceExplodedFactor = new QDoubleSpinBox();
		m_sliceExplodedFactor->setSingleStep(0.01);
Jani Honkonen Adding more controls to piechartcustomization demo	r511	m_penWidth = new QDoubleSpinBox();
		m_penColor = new QPushButton();
		m_brushColor = new QPushButton();
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437
		QFormLayout* sliceSettingsLayout = new QFormLayout();
		sliceSettingsLayout->addRow("Selected", m_sliceName);
		sliceSettingsLayout->addRow("Value", m_sliceValue);
Jani Honkonen Adding more controls to piechartcustomization demo	r511	sliceSettingsLayout->addRow("Pen color", m_penColor);
		sliceSettingsLayout->addRow("Pen width", m_penWidth);
		sliceSettingsLayout->addRow("Brush color", m_brushColor);
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	sliceSettingsLayout->addRow("Label visible", m_sliceLabelVisible);
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	sliceSettingsLayout->addRow("Label arm length", m_sliceLabelArmFactor);
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	sliceSettingsLayout->addRow("Exploded", m_sliceExploded);
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	sliceSettingsLayout->addRow("Explode distance", m_sliceExplodedFactor);

Jani Honkonen Adding more controls to piechartcustomization demo	r511
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	QGroupBox* sliceSettings = new QGroupBox("Slice");
		sliceSettings->setLayout(sliceSettingsLayout);

		connect(m_sliceValue, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
Jani Honkonen Adding more controls to piechartcustomization demo	r511	connect(m_penColor, SIGNAL(clicked()), this, SLOT(showPenColorDialog()));
		connect(m_penWidth, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
		connect(m_brushColor, SIGNAL(clicked()), this, SLOT(showBrushColorDialog()));
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	connect(m_sliceLabelVisible, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	connect(m_sliceLabelArmFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	connect(m_sliceExploded, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	connect(m_sliceExplodedFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437
Jani Honkonen Adding more controls to piechartcustomization demo	r511	// create main layout
		QVBoxLayout *settingsLayout = new QVBoxLayout();
		settingsLayout->addWidget(chartSettings);
		settingsLayout->addWidget(seriesSettings);
		settingsLayout->addWidget(sliceSettings);
		settingsLayout->addStretch();

		QGridLayout* baseLayout = new QGridLayout();
		baseLayout->addLayout(settingsLayout, 0, 0);
		baseLayout->addWidget(m_chartView, 0, 1);
		setLayout(baseLayout);
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437
		updateSerieSettings();
		}

		public Q_SLOTS:

Jani Honkonen Adding more controls to piechartcustomization demo	r511	void updateChartSettings()
		{
		QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(m_themeComboBox->currentIndex()).toInt();
		m_chartView->setChartTheme(theme);
		m_chartView->setRenderHint(QPainter::Antialiasing, m_aaCheckBox->isChecked());
		}

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	void updateSerieSettings()
		{
Jani Honkonen Renamed the "factor" stuff from pie series API.	r498	m_series->setPiePosition(m_vPosition->value(), m_hPosition->value());
		m_series->setPieSize(m_sizeFactor->value());
		m_series->setPieStartAngle(m_startAngle->value());
		m_series->setPieEndAngle(m_endAngle->value());
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	}

		void updateSliceSettings()
		{
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	if (!m_slice)
		return;

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_slice->setValue(m_sliceValue->value());
Jani Honkonen Adding more controls to piechartcustomization demo	r511
		QPen pen = m_slice->slicePen();
		pen.setWidthF(m_penWidth->value());
		m_slice->setSlicePen(pen);

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_slice->setLabelVisible(m_sliceLabelVisible->isChecked());
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	m_slice->setLabelArmLengthFactor(m_sliceLabelArmFactor->value());
Jani Honkonen Adding more controls to piechartcustomization demo	r511
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_slice->setExploded(m_sliceExploded->isChecked());
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	m_slice->setExplodeDistanceFactor(m_sliceExplodedFactor->value());
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	}

		void handleSliceClicked(QPieSlice* slice)
		{
Jani Honkonen Adding more controls to piechartcustomization demo	r511	m_slice = static_cast<CustomSlice*>(slice);

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_sliceName->setText(slice->label());

		m_sliceValue->blockSignals(true);
		m_sliceValue->setValue(slice->value());
		m_sliceValue->blockSignals(false);

Jani Honkonen Adding more controls to piechartcustomization demo	r511	m_penColor->setText(m_slice->slicePen().color().name());

		m_sliceValue->blockSignals(true);
		m_penWidth->setValue(slice->slicePen().widthF());
		m_sliceValue->blockSignals(false);

		m_brushColor->setText(m_slice->originalBrush().color().name());

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_sliceLabelVisible->blockSignals(true);
		m_sliceLabelVisible->setChecked(slice->isLabelVisible());
		m_sliceLabelVisible->blockSignals(false);

Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	m_sliceLabelArmFactor->blockSignals(true);
		m_sliceLabelArmFactor->setValue(slice->labelArmLengthFactor());
		m_sliceLabelArmFactor->blockSignals(false);

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	m_sliceExploded->blockSignals(true);
		m_sliceExploded->setChecked(slice->isExploded());
		m_sliceExploded->blockSignals(false);
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454
		m_sliceExplodedFactor->blockSignals(true);
		m_sliceExplodedFactor->setValue(slice->explodeDistanceFactor());
		m_sliceExplodedFactor->blockSignals(false);
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	}

Jani Honkonen Adding more controls to piechartcustomization demo	r511	void showBrushColorDialog()
		{
		if (!m_slice)
		return;

		QColorDialog dialog(m_slice->originalBrush().color());
		dialog.show();
		dialog.exec();

		QBrush brush = m_slice->originalBrush();
		brush.setColor(dialog.currentColor());
		m_slice->setSliceBrush(brush);

		m_brushColor->setText(dialog.currentColor().name());
		}

		void showPenColorDialog()
		{
		if (!m_slice)
		return;

		QColorDialog dialog(m_slice->slicePen().color());
		dialog.show();
		dialog.exec();

		QPen pen = m_slice->slicePen();
		pen.setColor(dialog.currentColor());
		m_slice->setSlicePen(pen);

		m_penColor->setText(dialog.currentColor().name());
		}

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	private:
Jani Honkonen Adding more controls to piechartcustomization demo	r511	QComboBox *m_themeComboBox;
		QCheckBox *m_aaCheckBox;

Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	QChartView* m_chartView;
		QPieSeries* m_series;
Jani Honkonen Adding more controls to piechartcustomization demo	r511	CustomSlice* m_slice;
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	QDoubleSpinBox* m_hPosition;
		QDoubleSpinBox* m_vPosition;
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	QDoubleSpinBox* m_sizeFactor;
		QDoubleSpinBox* m_startAngle;
		QDoubleSpinBox* m_endAngle;

		QLabel* m_sliceName;
		QDoubleSpinBox* m_sliceValue;
		QCheckBox* m_sliceLabelVisible;
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	QDoubleSpinBox* m_sliceLabelArmFactor;
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	QCheckBox* m_sliceExploded;
Jani Honkonen Introducing vertical and horizontal factors to control the position of the pie.	r454	QDoubleSpinBox* m_sliceExplodedFactor;
Jani Honkonen Adding more controls to piechartcustomization demo	r511	QPushButton *m_brushColor;
		QPushButton *m_penColor;
		QDoubleSpinBox* m_penWidth;
Jani Honkonen Added a pie chart customization example and refactoring the pie interface.	r437	};

		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"