QwtPolarItemDict - Man Page
A dictionary for polar plot items.
Synopsis
#include <qwt_polar_itemdict.h>
Inherited by QwtPolarPlot.
Public Member Functions
QwtPolarItemDict ()
~QwtPolarItemDict ()
void setAutoDelete (bool)
bool autoDelete () const
const QwtPolarItemList & itemList () const
A QwtPolarItemList of all attached plot items.
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()
Definition at line 28 of file qwt_polar_itemdict.h.
Constructor & Destructor Documentation
QwtPolarItemDict::QwtPolarItemDict () [explicit]
Constructor
Auto deletion is enabled.
- See also
setAutoDelete, attachItem
Definition at line 71 of file qwt_polar_itemdict.cpp.
QwtPolarItemDict::~QwtPolarItemDict ()
Destructor
If autoDelete is on, all attached items will be deleted
- See also
setAutoDelete, autoDelete, attachItem
Definition at line 83 of file qwt_polar_itemdict.cpp.
Member Function Documentation
bool QwtPolarItemDict::autoDelete () const
- Returns
true if auto deletion is enabled
- See also
setAutoDelete, attachItem
Definition at line 106 of file qwt_polar_itemdict.cpp.
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
Definition at line 140 of file qwt_polar_itemdict.cpp.
void QwtPolarItemDict::insertItem (QwtPolarItem * item) [protected]
Insert a plot item
- Parameters
item PlotItem
- See also
removeItem()
Definition at line 117 of file qwt_polar_itemdict.cpp.
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.
Definition at line 168 of file qwt_polar_itemdict.cpp.
void QwtPolarItemDict::removeItem (QwtPolarItem * item) [protected]
Remove a plot item
- Parameters
item PlotItem
- See also
insertItem()
Definition at line 128 of file qwt_polar_itemdict.cpp.
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
Definition at line 97 of file qwt_polar_itemdict.cpp.
Author
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