A dictionary for polar plot items.
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#include <qwt_polar_itemdict.h>
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()
QwtPolarItemDict::QwtPolarItemDict |
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explicit |
Constructor
Auto deletion is enabled.
- See Also
- setAutoDelete, attachItem
QwtPolarItemDict::~QwtPolarItemDict |
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bool QwtPolarItemDict::autoDelete |
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const |
- Returns
- true if auto deletion is enabled
- See Also
- setAutoDelete, attachItem
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 |
const QwtPolarItemList & QwtPolarItemDict::itemList |
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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.
void QwtPolarItemDict::setAutoDelete |
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bool |
autoDelete | ) |
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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