QwtPlotDict(3) | Qwt User's Guide | QwtPlotDict(3) |
NAME¶
QwtPlotDict -A dictionary for plot items.
SYNOPSIS¶
#include <qwt_plot_dict.h>
Inherited by QwtPlot.
Public Member Functions¶
QwtPlotDict ()
virtual ~QwtPlotDict ()
void setAutoDelete (bool)
bool autoDelete () const
const QwtPlotItemList & itemList () const
A QwtPlotItemList of all attached plot items. QwtPlotItemList itemList (int rtti) const
void detachItems (int rtti=QwtPlotItem::Rtti_PlotItem, bool autoDelete=true)
Protected Member Functions¶
void insertItem (QwtPlotItem *)
void removeItem (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. QwtPlotDict can be used to get access to all QwtPlotItem items - or all items of a specific type - that are currently on the plot.
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Constructor & Destructor Documentation¶
QwtPlotDict::QwtPlotDict () [explicit]¶
ConstructorAuto deletion is enabled.
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QwtPlotDict::~QwtPlotDict () [virtual]¶
DestructorIf autoDelete() is on, all attached items will be deleted
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Member Function Documentation¶
bool QwtPlotDict::autoDelete () const¶
Returns:See Also:
void QwtPlotDict::detachItems (intrtti = QwtPlotItem::Rtti_PlotItem, boolautoDelete = true)¶
Detach items from the dictionaryParameters:
autoDelete If true, delete all detached items
void QwtPlotDict::insertItem (QwtPlotItem *item) [protected]¶
Insert a plot itemParameters:
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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:
QwtPlotItemList QwtPlotDict::itemList (intrtti) const¶
Returns:Parameters:
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void QwtPlotDict::removeItem (QwtPlotItem *item) [protected]¶
Remove a plot itemParameters:
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void QwtPlotDict::setAutoDelete (boolautoDelete)¶
En/Disable Auto deletionIf Auto deletion is on all attached plot items will be deleted in the destructor of QwtPlotDict. The default value is on.
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Author¶
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