QwtPlotDict man page

QwtPlotDict —

A dictionary for plot items.


#include <qwt_plot_dict.h>

Inherited by QwtPlot.

Public Member Functions

bool autoDelete () const

void detachItems (int rtti=QwtPlotItem::Rtti_PlotItem, bool autoDelete=true)

const QwtPlotItemList & itemList () const

QwtPlotDict ()

void setAutoDelete (bool)

~QwtPlotDict ()


class QwtPlotItem

Detailed Description

A dictionary for plot items.

QwtPlotDict organizes plot items in increasing z-order. If autoDelete() is enabled, all attached items will be deleted in the destructor of the dictionary.

See also:

QwtPlotItem::attach(), QwtPlotItem::detach(), QwtPlotItem::z()

Constructor & Destructor Documentation

QwtPlotDict::QwtPlotDict () [explicit] Constructor

Auto deletion is enabled.

See also:

setAutoDelete(), attachItem()

QwtPlotDict::~QwtPlotDict () Destructor

If autoDelete is on, all attached items will be deleted

See also:

setAutoDelete(), autoDelete(), attachItem()

Member Function Documentation

bool QwtPlotDict::autoDelete () const Returns

true if auto deletion is enabled

See also:

setAutoDelete(), attachItem()

void QwtPlotDict::detachItems (intrtti = QwtPlotItem::Rtti_PlotItem, boolautoDelete = true) Detach items from the dictionary


rtti In case of QwtPlotItem::Rtti_PlotItem detach all items otherwise only those items of the type rtti.
autoDelete If true, delete all detached items

const QwtPlotItemList & QwtPlotDict::itemList () const

A QwtPlotItemList of all attached plot items. Use caution when iterating these lists, as removing/detaching an item will invalidate the iterator. Instead you can place pointers to objects to be removed in a removal list, and traverse that list later.


List of all attached plot items.

void QwtPlotDict::setAutoDelete (boolautoDelete) En/Disable Auto deletion

If Auto deletion is on all attached plot items will be deleted in the destructor of QwtPlotDict. The default value is on.

See also:

autoDelete(), attachItem()


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Qwt User's Guide Version 5.2.2 Mon Aug 1 2011