QwtPlotDict

Section: C Library Functions (3) Updated: 22 Mar 2009 Local index Up

NAME

QwtPlotDict - A dictionary for plot items.

SYNOPSIS

Inherited by QwtPlot.

Public Member Functions

QwtPlotDict ()

~QwtPlotDict ()

void setAutoDelete (bool)

bool autoDelete () const

const QwtPlotItemList & itemList () const

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

Friends

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

Detach items from the dictionary

Parameters:

: 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.

Returns: