QwtPolarItemDict Class Reference

A dictionary for polar plot items. More...

#include <qwt_polar_itemdict.h>

Inheritance diagram for QwtPolarItemDict:

Classes
class	PrivateData

Public Member Functions
	QwtPolarItemDict ()
	Constructor.
	~QwtPolarItemDict ()
	Destructor.
void	setAutoDelete (bool)
	Set auto delete.
bool	autoDelete () const
	Get auto delete.
const QwtPolarItemList &	itemList () const
	Get the item list.
void	detachItems (int rtti=QwtPolarItem::Rtti_PolarItem, bool autoDelete=true)
	Detach items.

Protected Member Functions
void	insertItem (QwtPolarItem *)
	Insert an item.
void	removeItem (QwtPolarItem *)
	Remove an item.

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

Get auto delete.

Check if auto deletion is enabled.

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.

Detach items from the dictionary.

Parameters

rtti	In case of QwtPolarItem::Rtti_PolarItem 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 an item.

Insert a plot item.

Parameters

item

PlotItem

See also

removeItem()

itemList()

const QwtPolarItemList & QwtPolarItemDict::itemList

(

)

const

Get the item list.

Get 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 an item.

Remove a plot item.

Parameters

item

PlotItem

See also

insertItem()

setAutoDelete()

void QwtPolarItemDict::setAutoDelete

(

bool

autoDelete

)

Set auto delete.

Enable/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.

Parameters

autoDelete

Auto delete flag

See also

autoDelete, attachItem

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The documentation for this class was generated from the following files:

• /home/runner/work/QWT/QWT/src/plot/qwt_polar_itemdict.h
• /home/runner/work/QWT/QWT/src/plot/qwt_polar_itemdict.cpp