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QCandlestickSet Class

The QCandlestickSet class represents a single candlestick item in a candlestick chart. More...

Header: #include <QCandlestickSet>
Since: Qt 5.8
Instantiated By: CandlestickSet
Inherits: QObject

This class was introduced in Qt 5.8.

Properties

Public Functions

QCandlestickSet(qreal open, qreal high, qreal low, qreal close, qreal timestamp = 0.0, QObject *parent = nullptr)
QCandlestickSet(qreal timestamp = 0.0, QObject *parent = nullptr)
virtual ~QCandlestickSet()
QBrush brush() const
qreal close() const
qreal high() const
qreal low() const
qreal open() const
QPen pen() const
void setBrush(const QBrush &brush)
void setClose(qreal close)
void setHigh(qreal high)
void setLow(qreal low)
void setOpen(qreal open)
void setPen(const QPen &pen)
void setTimestamp(qreal timestamp)
qreal timestamp() const

Signals

void brushChanged()
void clicked()
void closeChanged()
void doubleClicked()
void highChanged()
void hovered(bool status)
void lowChanged()
void openChanged()
void penChanged()
void pressed()
void released()
void timestampChanged()

Detailed Description

Five values are needed to create a graphical representation of a candlestick item: open, high, low, close, and timestamp. These values can be either passed to a QCandlestickSet constructor or set by using setOpen(), setHigh(), setLow(), setClose(), and setTimestamp().

See also QCandlestickSeries.

Property Documentation

brush : QBrush

This property holds the brush used to fill the candlestick item.

Access functions:

QBrush brush() const
void setBrush(const QBrush &brush)

Notifier signal:

void brushChanged()

close : qreal

This property holds the close value of the candlestick item.

Access functions:

qreal close() const
void setClose(qreal close)

Notifier signal:

void closeChanged()

high : qreal

This property holds the high value of the candlestick item.

Access functions:

qreal high() const
void setHigh(qreal high)

Notifier signal:

void highChanged()

low : qreal

This property holds the low value of the candlestick item.

Access functions:

qreal low() const
void setLow(qreal low)

Notifier signal:

void lowChanged()

open : qreal

This property holds the open value of the candlestick item.

Access functions:

qreal open() const
void setOpen(qreal open)

Notifier signal:

void openChanged()

pen : QPen

This property holds the pen used to draw the lines of the candlestick item.

Access functions:

QPen pen() const
void setPen(const QPen &pen)

Notifier signal:

void penChanged()

timestamp : qreal

This property holds the timestamp value of the candlestick item.

Access functions:

qreal timestamp() const
void setTimestamp(qreal timestamp)

Notifier signal:

void timestampChanged()

Member Function Documentation

QCandlestickSet::QCandlestickSet(qreal open, qreal high, qreal low, qreal close, qreal timestamp = 0.0, QObject *parent = nullptr)

Constructs a candlestick item with given ordered values. The values open, high, low, and close are mandatory. The values timestamp and parent are optional.

QCandlestickSet::QCandlestickSet(qreal timestamp = 0.0, QObject *parent = nullptr)

Constructs a candlestick item with an optional timestamp and a parent.

[signal] void QCandlestickSet::brushChanged()

This signal is emitted when the candlestick item brush changes.

Note: Notifier signal for property brush.

See also brush.

[signal] void QCandlestickSet::clicked()

This signal is emitted when the candlestick item is clicked.

[signal] void QCandlestickSet::closeChanged()

This signal is emitted when the candlestick item close value changes.

Note: Notifier signal for property close.

See also close.

[signal] void QCandlestickSet::doubleClicked()

This signal is emitted when the user double-clicks a candlestick item.

[signal] void QCandlestickSet::highChanged()

This signal is emitted when the candlestick item high value changes.

Note: Notifier signal for property high.

See also high.

[signal] void QCandlestickSet::hovered(bool status)

This signal is emitted when a mouse is hovered over a candlestick item.

When the mouse moves over the item, status turns true, and when the mouse moves away again, it turns false.

[signal] void QCandlestickSet::lowChanged()

This signal is emitted when the candlestick item low value changes.

Note: Notifier signal for property low.

See also low.

[signal] void QCandlestickSet::openChanged()

This signal is emitted when the candlestick item open value changes.

Note: Notifier signal for property open.

See also open.

[signal] void QCandlestickSet::penChanged()

This signal is emitted when the candlestick item pen changes.

Note: Notifier signal for property pen.

See also pen.

[signal] void QCandlestickSet::pressed()

This signal is emitted when the user clicks the candlestick item and holds down the mouse button.

[signal] void QCandlestickSet::released()

This signal is emitted when the user releases the mouse press on the candlestick item.

[signal] void QCandlestickSet::timestampChanged()

This signal is emitted when the candlestick item timestamp changes.

Note: Notifier signal for property timestamp.

See also timestamp.

[virtual] QCandlestickSet::~QCandlestickSet()

Destroys the candlestick item.

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