QwtPolarItemDict Class Reference

A dictionary for polar plot items. More...

#include <qwt_polar_itemdict.h>

Inheritance diagram for QwtPolarItemDict:

Public Member Functions
	QwtPolarItemDict ()
	~QwtPolarItemDict ()
void	setAutoDelete (bool)
bool	autoDelete () const
const QwtPolarItemList &	itemList () const
	A QwtPolarItemList of all attached plot items. More...
void	detachItems (int rtti=QwtPolarItem::Rtti_PolarItem, bool autoDelete=true)

Protected Member Functions
void	insertItem (QwtPolarItem *)
void	removeItem (QwtPolarItem *)

Detailed Description

A dictionary for polar plot items.

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

See also

QwtPolarItem::attach(), QwtPolarItem::detach(), QwtPolarItem::z()

Constructor & Destructor Documentation

QwtPolarItemDict()

QwtPolarItemDict::QwtPolarItemDict ( )

explicit

Constructor

Auto deletion is enabled.

See also

setAutoDelete, attachItem

~QwtPolarItemDict()

QwtPolarItemDict::~QwtPolarItemDict

(

)

Destructor

If autoDelete is on, all attached items will be deleted

See also

setAutoDelete, autoDelete, attachItem

Member Function Documentation

autoDelete()

bool QwtPolarItemDict::autoDelete

(

)

const

Returns

true if auto deletion is enabled

See also

setAutoDelete, attachItem

detachItems()

void QwtPolarItemDict::detachItems	(	int	rtti = QwtPolarItem::Rtti_PolarItem,
		bool	autoDelete = true
	)

Detach items from the dictionary

Parameters

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

insertItem()

void QwtPolarItemDict::insertItem ( QwtPolarItem *  item )

protected

Insert a plot item

Parameters

item

PlotItem

See also

removeItem()

itemList()

const QwtPolarItemList & QwtPolarItemDict::itemList

(

)

const

A QwtPolarItemList of all attached plot items.

Returns

List of all attached plot items.

Note

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.

removeItem()

void QwtPolarItemDict::removeItem ( QwtPolarItem *  item )

protected

Remove a plot item

Parameters

item

PlotItem

See also

insertItem()

setAutoDelete()

void QwtPolarItemDict::setAutoDelete

(

bool

autoDelete

)

En/Disable Auto deletion

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

See also

autoDelete, attachItem