QCandlestickSeries Class

成员函数

QCandlestickSeries::QCandlestickSeries(QObject *parent = nullptr)

Constructs an empty QCandlestickSeries. The parent is optional.

QCandlestickSeries::~QCandlestickSeries()

Destroys the series. Removes the series from the chart.

bool QCandlestickSeries::append(QCandlestickSet *set)

Adds a single candlestick item specified by set to the series and takes ownership of it. If the item is null or it is already in the series, it is not appended. Returns true if appending succeeded, false otherwise.

bool QCandlestickSeries::append(const QList<QCandlestickSet *> &sets)

Adds a list of candlestick items specified by sets to the series and takes ownership of it. If any of the items are null, already belong to the series, or appear in the list more than once, nothing is appended. Returns true if all items were appended successfully, false otherwise.

[signal] void QCandlestickSeries::bodyOutlineVisibilityChanged()

This signal is emitted when the visibility of the candlestick item body outline changes.

Note: Notifier signal for property bodyOutlineVisible.

参见 bodyOutlineVisible.

[signal] void QCandlestickSeries::bodyWidthChanged()

This signal is emitted when the candlestick item width changes.

Note: Notifier signal for property bodyWidth.

参见 bodyWidth.

[signal] void QCandlestickSeries::brushChanged()

This signal is emitted when the candlestick item brush changes.

Note: Notifier signal for property brush.

参见 brush.

[signal] void QCandlestickSeries::candlestickSetsAdded(const QList<QCandlestickSet *> &sets)

This signal is emitted when the candlestick items specified by sets are added to the series.

[signal] void QCandlestickSeries::candlestickSetsRemoved(const QList<QCandlestickSet *> &sets)

This signal is emitted when the candlestick items specified by sets are removed from the series.

[signal] void QCandlestickSeries::capsVisibilityChanged()

This signal is emitted when the visibility of the candlestick item caps changes.

Note: Notifier signal for property capsVisible.

参见 capsVisible.

[signal] void QCandlestickSeries::capsWidthChanged()

This signal is emitted when the candlestick item caps width changes.

Note: Notifier signal for property capsWidth.

参见 capsWidth.

void QCandlestickSeries::clear()

Removes all candlestick items from the series and permanently deletes them.

[signal] void QCandlestickSeries::clicked(QCandlestickSet *set)

This signal is emitted when the candlestick item specified by set is clicked on the chart.

int QCandlestickSeries::count() const

Returns the number of the candlestick items in the series.

Note: Getter function for property count.

[signal] void QCandlestickSeries::countChanged()

This signal is emitted when the number of candlestick items in the series changes.

Note: Notifier signal for property count.

参见 count.

[signal] void QCandlestickSeries::decreasingColorChanged()

This signal is emitted when the candlestick item decreasing color changes.

Note: Notifier signal for property decreasingColor.

参见 decreasingColor.

[signal] void QCandlestickSeries::doubleClicked(QCandlestickSet *set)

This signal is emitted when the candlestick item specified by set is double-clicked on the chart.

[signal] void QCandlestickSeries::hovered(bool status, QCandlestickSet *set)

This signal is emitted when a mouse is hovered over the candlestick item specified by set in a chart.

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

[signal] void QCandlestickSeries::increasingColorChanged()

This signal is emitted when the candlestick item increasing color changes.

Note: Notifier signal for property increasingColor.

参见 increasingColor.

bool QCandlestickSeries::insert(int index, QCandlestickSet *set)

Inserts the candlestick item specified by set to the series at the position specified by index. Takes ownership of the item. If the item is null or already belongs to the series, it is not inserted. Returns true if inserting succeeded, false otherwise.

[signal] void QCandlestickSeries::maximumColumnWidthChanged()

This signal is emitted when there is a change in the maximum column width of candlestick items.

Note: Notifier signal for property maximumColumnWidth.

参见 maximumColumnWidth.

[signal] void QCandlestickSeries::minimumColumnWidthChanged()

This signal is emitted when there is a change in the minimum column width of candlestick items.

Note: Notifier signal for property minimumColumnWidth.

参见 minimumColumnWidth.

[signal] void QCandlestickSeries::penChanged()

This signal is emitted when the candlestick item pen changes.

Note: Notifier signal for property pen.

参见 pen.

[signal] void QCandlestickSeries::pressed(QCandlestickSet *set)

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

[signal] void QCandlestickSeries::released(QCandlestickSet *set)

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

bool QCandlestickSeries::remove(QCandlestickSet *set)

Removes a single candlestick item, specified by set, from the series. Returns true if the item is successfully deleted, false otherwise.

bool QCandlestickSeries::remove(const QList<QCandlestickSet *> &sets)

Removes a list of candlestick items specified by sets from the series. If any of the items are null, were already removed from the series, or appear in the list more than once, nothing is removed. Returns true if all items were removed successfully, false otherwise.

QList<QCandlestickSet *> QCandlestickSeries::sets() const

Returns the list of candlestick items in the series. Ownership of the items does not change.

bool QCandlestickSeries::take(QCandlestickSet *set)

Takes a single candlestick item, specified by set, from the series. Does not delete the item. Returns true if the take operation was successful, false otherwise.

Note: The series remains the item's parent object. You must set the parent object to take full ownership.

[virtual] QAbstractSeries::SeriesType QCandlestickSeries::type() const

Reimplemented from QAbstractSeries::type().

Returns the type of the series (QAbstractSeries::SeriesTypeCandlestick).