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#include <QtGui/QApplication>
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#include <QMainWindow>
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#include <qchartglobal.h>
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#include <qchartview.h>
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#include <qpieseries.h>
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#include <qpieslice.h>
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#include <QGridLayout>
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#include <QFormLayout>
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#include <QComboBox>
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#include <QSpinBox>
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#include <QCheckBox>
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#include <QGroupBox>
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#include <QLabel>
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#include <QPushButton>
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#include <QColorDialog>
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#include <QFontDialog>
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QTCOMMERCIALCHART_USE_NAMESPACE
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class PenTool : public QWidget
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{
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Q_OBJECT
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public:
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explicit PenTool(QString title, QWidget *parent = 0)
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:QWidget(parent)
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{
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setWindowTitle(title);
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setWindowFlags(Qt::Tool);
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m_colorButton = new QPushButton();
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m_widthSpinBox = new QDoubleSpinBox();
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m_styleCombo = new QComboBox();
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m_styleCombo->addItem("NoPen");
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m_styleCombo->addItem("SolidLine");
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m_styleCombo->addItem("DashLine");
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m_styleCombo->addItem("DotLine");
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m_styleCombo->addItem("DashDotLine");
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m_styleCombo->addItem("DashDotDotLine");
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m_capStyleCombo = new QComboBox();
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m_capStyleCombo->addItem("FlatCap", Qt::FlatCap);
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m_capStyleCombo->addItem("SquareCap", Qt::SquareCap);
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m_capStyleCombo->addItem("RoundCap", Qt::RoundCap);
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m_joinStyleCombo = new QComboBox();
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m_joinStyleCombo->addItem("MiterJoin", Qt::MiterJoin);
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m_joinStyleCombo->addItem("BevelJoin", Qt::BevelJoin);
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m_joinStyleCombo->addItem("RoundJoin", Qt::RoundJoin);
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m_joinStyleCombo->addItem("SvgMiterJoin", Qt::SvgMiterJoin);
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QFormLayout *layout = new QFormLayout();
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layout->addRow("Color", m_colorButton);
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layout->addRow("Width", m_widthSpinBox);
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layout->addRow("Style", m_styleCombo);
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layout->addRow("Cap style", m_capStyleCombo);
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layout->addRow("Join style", m_joinStyleCombo);
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setLayout(layout);
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connect(m_colorButton, SIGNAL(clicked()), this, SLOT(showColorDialog()));
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connect(m_widthSpinBox, SIGNAL(valueChanged(double)), this, SLOT(updateWidth(double)));
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connect(m_styleCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateStyle(int)));
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connect(m_capStyleCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateCapStyle(int)));
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connect(m_joinStyleCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateJoinStyle(int)));
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}
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void setPen(QPen pen)
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{
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m_pen = pen;
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m_colorButton->setText(m_pen.color().name());
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m_widthSpinBox->setValue(m_pen.widthF());
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m_styleCombo->setCurrentIndex(m_pen.style()); // index matches the enum
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m_capStyleCombo->setCurrentIndex(m_capStyleCombo->findData(m_pen.capStyle()));
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m_joinStyleCombo->setCurrentIndex(m_joinStyleCombo->findData(m_pen.joinStyle()));
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}
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QPen pen() const
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{
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return m_pen;
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}
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QString name()
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{
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return name(m_pen);
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}
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static QString name(const QPen &pen)
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{
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return pen.color().name() + ":" + QString::number(pen.widthF());
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}
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Q_SIGNALS:
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void changed();
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public Q_SLOTS:
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void showColorDialog()
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{
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QColorDialog dialog(m_pen.color());
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dialog.show();
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dialog.exec();
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m_pen.setColor(dialog.selectedColor());
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m_colorButton->setText(m_pen.color().name());
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emit changed();
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}
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void updateWidth(double width)
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{
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if (width != m_pen.widthF()) {
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m_pen.setWidthF(width);
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emit changed();
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}
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}
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void updateStyle(int style)
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{
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if (m_pen.style() != style) {
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m_pen.setStyle((Qt::PenStyle) style);
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emit changed();
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}
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}
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void updateCapStyle(int index)
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{
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Qt::PenCapStyle capStyle = (Qt::PenCapStyle) m_capStyleCombo->itemData(index).toInt();
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if (m_pen.capStyle() != capStyle) {
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m_pen.setCapStyle(capStyle);
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emit changed();
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}
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}
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void updateJoinStyle(int index)
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{
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Qt::PenJoinStyle joinStyle = (Qt::PenJoinStyle) m_joinStyleCombo->itemData(index).toInt();
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if (m_pen.joinStyle() != joinStyle) {
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m_pen.setJoinStyle(joinStyle);
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emit changed();
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}
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}
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private:
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QPen m_pen;
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QPushButton *m_colorButton;
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QDoubleSpinBox *m_widthSpinBox;
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QComboBox *m_styleCombo;
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QComboBox *m_capStyleCombo;
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QComboBox *m_joinStyleCombo;
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};
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class BrushTool : public QWidget
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{
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Q_OBJECT
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public:
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explicit BrushTool(QString title, QWidget *parent = 0)
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:QWidget(parent)
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{
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setWindowTitle(title);
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setWindowFlags(Qt::Tool);
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m_colorButton = new QPushButton();
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m_styleCombo = new QComboBox();
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m_styleCombo->addItem("Nobrush", Qt::NoBrush);
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m_styleCombo->addItem("Solidpattern", Qt::SolidPattern);
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m_styleCombo->addItem("Dense1pattern", Qt::Dense1Pattern);
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m_styleCombo->addItem("Dense2attern", Qt::Dense2Pattern);
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m_styleCombo->addItem("Dense3Pattern", Qt::Dense3Pattern);
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m_styleCombo->addItem("Dense4Pattern", Qt::Dense4Pattern);
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m_styleCombo->addItem("Dense5Pattern", Qt::Dense5Pattern);
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m_styleCombo->addItem("Dense6Pattern", Qt::Dense6Pattern);
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m_styleCombo->addItem("Dense7Pattern", Qt::Dense7Pattern);
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m_styleCombo->addItem("HorPattern", Qt::HorPattern);
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m_styleCombo->addItem("VerPattern", Qt::VerPattern);
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m_styleCombo->addItem("CrossPattern", Qt::CrossPattern);
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m_styleCombo->addItem("BDiagPattern", Qt::BDiagPattern);
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m_styleCombo->addItem("FDiagPattern", Qt::FDiagPattern);
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m_styleCombo->addItem("DiagCrossPattern", Qt::DiagCrossPattern);
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QFormLayout *layout = new QFormLayout();
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layout->addRow("Color", m_colorButton);
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layout->addRow("Style", m_styleCombo);
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setLayout(layout);
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connect(m_colorButton, SIGNAL(clicked()), this, SLOT(showColorDialog()));
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connect(m_styleCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateStyle()));
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}
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void setBrush(QBrush brush)
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{
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m_brush = brush;
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m_colorButton->setText(m_brush.color().name());
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m_styleCombo->setCurrentIndex(m_brush.style()); // index matches the enum
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}
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QBrush brush() const
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{
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return m_brush;
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}
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QString name()
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{
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return name(m_brush);
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}
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static QString name(const QBrush &brush)
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{
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return brush.color().name();
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}
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Q_SIGNALS:
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void changed();
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public Q_SLOTS:
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void showColorDialog()
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{
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QColorDialog dialog(m_brush.color());
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dialog.show();
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dialog.exec();
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m_brush.setColor(dialog.selectedColor());
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m_colorButton->setText(m_brush.color().name());
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emit changed();
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}
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void updateStyle()
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{
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Qt::BrushStyle style = (Qt::BrushStyle) m_styleCombo->itemData(m_styleCombo->currentIndex()).toInt();
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if (m_brush.style() != style) {
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m_brush.setStyle(style);
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emit changed();
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}
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}
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private:
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QBrush m_brush;
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QPushButton *m_colorButton;
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QComboBox *m_styleCombo;
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};
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class CustomSlice : public QPieSlice
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{
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Q_OBJECT
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public:
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CustomSlice(qreal value, QString label)
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:QPieSlice(value, label)
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{
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connect(this, SIGNAL(hoverEnter()), this, SLOT(handleHoverEnter()));
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connect(this, SIGNAL(hoverLeave()), this, SLOT(handleHoverLeave()));
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}
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public:
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QBrush originalBrush()
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{
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return m_originalBrush;
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}
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public Q_SLOTS:
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void handleHoverEnter()
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{
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QBrush brush = this->sliceBrush();
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m_originalBrush = brush;
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brush.setColor(brush.color().lighter());
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setSliceBrush(brush);
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}
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void handleHoverLeave()
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{
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setSliceBrush(m_originalBrush);
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}
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private:
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QBrush m_originalBrush;
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};
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class MainWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit MainWidget(QWidget* parent = 0)
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:QWidget(parent),
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m_slice(0)
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{
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// create chart
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m_chartView = new QChartView();
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m_chartView->setChartTitle("Piechart customization");
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m_chartView->setAnimationOptions(QChart::AllAnimations);
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// create series
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m_series = new QPieSeries();
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*m_series << new CustomSlice(10.0, "Slice 1");
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*m_series << new CustomSlice(20.0, "Slice 2");
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*m_series << new CustomSlice(30.0, "Slice 3");
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*m_series << new CustomSlice(40.0, "Slice 4");
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*m_series << new CustomSlice(50.0, "Slice 5");
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m_chartView->addSeries(m_series);
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connect(m_series, SIGNAL(clicked(QPieSlice*)), this, SLOT(handleSliceClicked(QPieSlice*)));
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// chart settings
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m_themeComboBox = new QComboBox();
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m_themeComboBox->addItem("Default", QChart::ChartThemeDefault);
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m_themeComboBox->addItem("Vanilla", QChart::ChartThemeVanilla);
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m_themeComboBox->addItem("Icy", QChart::ChartThemeIcy);
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m_themeComboBox->addItem("Grayscale", QChart::ChartThemeGrayscale);
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m_themeComboBox->addItem("Scientific", QChart::ChartThemeScientific);
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m_aaCheckBox = new QCheckBox();
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QFormLayout* chartSettingsLayout = new QFormLayout();
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chartSettingsLayout->addRow("Theme", m_themeComboBox);
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chartSettingsLayout->addRow("Antialiasing", m_aaCheckBox);
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QGroupBox* chartSettings = new QGroupBox("Chart");
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chartSettings->setLayout(chartSettingsLayout);
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connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this ,SLOT(updateChartSettings()));
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connect(m_aaCheckBox, SIGNAL(toggled(bool)), this ,SLOT(updateChartSettings()));
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// series settings
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m_hPosition = new QDoubleSpinBox();
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m_hPosition->setMinimum(0.0);
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m_hPosition->setMaximum(1.0);
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m_hPosition->setSingleStep(0.1);
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m_hPosition->setValue(m_series->pieHorizontalPosition());
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m_vPosition = new QDoubleSpinBox();
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m_vPosition->setMinimum(0.0);
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m_vPosition->setMaximum(1.0);
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m_vPosition->setSingleStep(0.1);
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m_vPosition->setValue(m_series->pieVerticalPosition());
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m_sizeFactor = new QDoubleSpinBox();
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m_sizeFactor->setMinimum(0.0);
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m_sizeFactor->setMaximum(1.0);
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m_sizeFactor->setSingleStep(0.1);
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m_sizeFactor->setValue(m_series->pieSize());
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m_startAngle = new QDoubleSpinBox();
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m_startAngle->setMinimum(0.0);
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m_startAngle->setMaximum(360);
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m_startAngle->setValue(m_series->pieStartAngle());
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m_startAngle->setSingleStep(1);
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m_endAngle = new QDoubleSpinBox();
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m_endAngle->setMinimum(0.0);
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m_endAngle->setMaximum(360);
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m_endAngle->setValue(m_series->pieEndAngle());
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m_endAngle->setSingleStep(1);
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QPushButton *addSlice = new QPushButton("Add slice");
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QFormLayout* seriesSettingsLayout = new QFormLayout();
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seriesSettingsLayout->addRow("Horizontal position", m_hPosition);
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seriesSettingsLayout->addRow("Vertical position", m_vPosition);
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seriesSettingsLayout->addRow("Size factor", m_sizeFactor);
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seriesSettingsLayout->addRow("Start angle", m_startAngle);
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seriesSettingsLayout->addRow("End angle", m_endAngle);
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seriesSettingsLayout->addRow(addSlice);
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QGroupBox* seriesSettings = new QGroupBox("Series");
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seriesSettings->setLayout(seriesSettingsLayout);
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connect(m_vPosition, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
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connect(m_hPosition, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
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connect(m_sizeFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
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connect(m_startAngle, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
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connect(m_endAngle, SIGNAL(valueChanged(double)), this, SLOT(updateSerieSettings()));
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connect(addSlice, SIGNAL(clicked()), this, SLOT(addSlice()));
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// slice settings
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m_sliceName = new QLabel("<click a slice>");
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m_sliceValue = new QDoubleSpinBox();
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m_sliceValue->setMaximum(1000);
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m_sliceLabelVisible = new QCheckBox();
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m_sliceLabelArmFactor = new QDoubleSpinBox();
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m_sliceLabelArmFactor->setSingleStep(0.01);
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m_sliceExploded = new QCheckBox();
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m_sliceExplodedFactor = new QDoubleSpinBox();
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m_sliceExplodedFactor->setSingleStep(0.01);
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m_pen = new QPushButton();
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m_penTool = new PenTool("Slice pen", this);
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m_brush = new QPushButton();
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m_brushTool = new BrushTool("Slice brush", this);
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m_font = new QPushButton();
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m_labelArmPen = new QPushButton();
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m_labelArmPenTool = new PenTool("Label arm pen", this);
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QPushButton *removeSlice = new QPushButton("Remove slice");
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QFormLayout* sliceSettingsLayout = new QFormLayout();
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sliceSettingsLayout->addRow("Selected", m_sliceName);
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sliceSettingsLayout->addRow("Value", m_sliceValue);
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sliceSettingsLayout->addRow("Pen", m_pen);
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sliceSettingsLayout->addRow("Brush", m_brush);
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sliceSettingsLayout->addRow("Label visible", m_sliceLabelVisible);
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sliceSettingsLayout->addRow("Label font", m_font);
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sliceSettingsLayout->addRow("Label arm pen", m_labelArmPen);
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sliceSettingsLayout->addRow("Label arm length", m_sliceLabelArmFactor);
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sliceSettingsLayout->addRow("Exploded", m_sliceExploded);
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sliceSettingsLayout->addRow("Explode distance", m_sliceExplodedFactor);
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sliceSettingsLayout->addRow(removeSlice);
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QGroupBox* sliceSettings = new QGroupBox("Slice");
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sliceSettings->setLayout(sliceSettingsLayout);
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connect(m_sliceValue, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
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connect(m_pen, SIGNAL(clicked()), m_penTool, SLOT(show()));
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connect(m_penTool, SIGNAL(changed()), this, SLOT(updateSliceSettings()));
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connect(m_brush, SIGNAL(clicked()), m_brushTool, SLOT(show()));
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connect(m_brushTool, SIGNAL(changed()), this, SLOT(updateSliceSettings()));
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connect(m_font, SIGNAL(clicked()), this, SLOT(showFontDialog()));
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connect(m_labelArmPen, SIGNAL(clicked()), m_labelArmPenTool, SLOT(show()));
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connect(m_labelArmPenTool, SIGNAL(changed()), this, SLOT(updateSliceSettings()));
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connect(m_sliceLabelVisible, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));
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|
|
connect(m_sliceLabelVisible, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));
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|
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connect(m_sliceLabelArmFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
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|
|
connect(m_sliceExploded, SIGNAL(toggled(bool)), this, SLOT(updateSliceSettings()));
|
|
|
connect(m_sliceExplodedFactor, SIGNAL(valueChanged(double)), this, SLOT(updateSliceSettings()));
|
|
|
connect(removeSlice, SIGNAL(clicked()), this, SLOT(removeSlice()));
|
|
|
|
|
|
// 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);
|
|
|
|
|
|
updateSerieSettings();
|
|
|
}
|
|
|
|
|
|
public Q_SLOTS:
|
|
|
|
|
|
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());
|
|
|
}
|
|
|
|
|
|
void updateSerieSettings()
|
|
|
{
|
|
|
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());
|
|
|
}
|
|
|
|
|
|
void updateSliceSettings()
|
|
|
{
|
|
|
if (!m_slice)
|
|
|
return;
|
|
|
|
|
|
m_slice->setValue(m_sliceValue->value());
|
|
|
|
|
|
m_slice->setSlicePen(m_penTool->pen());
|
|
|
m_slice->setSliceBrush(m_brushTool->brush());
|
|
|
|
|
|
m_slice->setLabelArmPen(m_labelArmPenTool->pen());
|
|
|
m_slice->setLabelVisible(m_sliceLabelVisible->isChecked());
|
|
|
m_slice->setLabelArmLengthFactor(m_sliceLabelArmFactor->value());
|
|
|
|
|
|
m_slice->setExploded(m_sliceExploded->isChecked());
|
|
|
m_slice->setExplodeDistanceFactor(m_sliceExplodedFactor->value());
|
|
|
}
|
|
|
|
|
|
void handleSliceClicked(QPieSlice* slice)
|
|
|
{
|
|
|
m_slice = static_cast<CustomSlice*>(slice);
|
|
|
|
|
|
// name
|
|
|
m_sliceName->setText(slice->label());
|
|
|
|
|
|
// value
|
|
|
m_sliceValue->blockSignals(true);
|
|
|
m_sliceValue->setValue(slice->value());
|
|
|
m_sliceValue->blockSignals(false);
|
|
|
|
|
|
// pen
|
|
|
m_pen->setText(PenTool::name(m_slice->slicePen()));
|
|
|
m_penTool->setPen(m_slice->slicePen());
|
|
|
|
|
|
// brush
|
|
|
m_brush->setText(m_slice->originalBrush().color().name());
|
|
|
m_brushTool->setBrush(m_slice->originalBrush());
|
|
|
|
|
|
// label
|
|
|
m_labelArmPen->setText(PenTool::name(m_slice->labelArmPen()));
|
|
|
m_labelArmPenTool->setPen(m_slice->labelArmPen());
|
|
|
m_font->setText(slice->labelFont().toString());
|
|
|
m_sliceLabelVisible->blockSignals(true);
|
|
|
m_sliceLabelVisible->setChecked(slice->isLabelVisible());
|
|
|
m_sliceLabelVisible->blockSignals(false);
|
|
|
m_sliceLabelArmFactor->blockSignals(true);
|
|
|
m_sliceLabelArmFactor->setValue(slice->labelArmLengthFactor());
|
|
|
m_sliceLabelArmFactor->blockSignals(false);
|
|
|
|
|
|
// exploded
|
|
|
m_sliceExploded->blockSignals(true);
|
|
|
m_sliceExploded->setChecked(slice->isExploded());
|
|
|
m_sliceExploded->blockSignals(false);
|
|
|
m_sliceExplodedFactor->blockSignals(true);
|
|
|
m_sliceExplodedFactor->setValue(slice->explodeDistanceFactor());
|
|
|
m_sliceExplodedFactor->blockSignals(false);
|
|
|
}
|
|
|
|
|
|
void showFontDialog()
|
|
|
{
|
|
|
if (!m_slice)
|
|
|
return;
|
|
|
|
|
|
QFontDialog dialog(m_slice->labelFont());
|
|
|
dialog.show();
|
|
|
dialog.exec();
|
|
|
|
|
|
m_slice->setLabelFont(dialog.currentFont());
|
|
|
m_font->setText(dialog.currentFont().toString());
|
|
|
}
|
|
|
|
|
|
void addSlice()
|
|
|
{
|
|
|
*m_series << new CustomSlice(10.0, "Slice " + QString::number(m_series->count()));
|
|
|
}
|
|
|
|
|
|
void removeSlice()
|
|
|
{
|
|
|
if (!m_slice)
|
|
|
return;
|
|
|
|
|
|
m_series->remove(m_slice);
|
|
|
m_slice = 0;
|
|
|
}
|
|
|
|
|
|
private:
|
|
|
QComboBox *m_themeComboBox;
|
|
|
QCheckBox *m_aaCheckBox;
|
|
|
|
|
|
QChartView* m_chartView;
|
|
|
QPieSeries* m_series;
|
|
|
CustomSlice* m_slice;
|
|
|
|
|
|
QDoubleSpinBox* m_hPosition;
|
|
|
QDoubleSpinBox* m_vPosition;
|
|
|
QDoubleSpinBox* m_sizeFactor;
|
|
|
QDoubleSpinBox* m_startAngle;
|
|
|
QDoubleSpinBox* m_endAngle;
|
|
|
|
|
|
QLabel* m_sliceName;
|
|
|
QDoubleSpinBox* m_sliceValue;
|
|
|
QCheckBox* m_sliceLabelVisible;
|
|
|
QDoubleSpinBox* m_sliceLabelArmFactor;
|
|
|
QCheckBox* m_sliceExploded;
|
|
|
QDoubleSpinBox* m_sliceExplodedFactor;
|
|
|
QPushButton *m_brush;
|
|
|
BrushTool *m_brushTool;
|
|
|
QPushButton *m_pen;
|
|
|
PenTool *m_penTool;
|
|
|
QPushButton *m_font;
|
|
|
QPushButton *m_labelArmPen;
|
|
|
PenTool *m_labelArmPenTool;
|
|
|
};
|
|
|
|
|
|
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"
|
|
|
|
