QwtPlotDict Class Reference

Inheritance diagram for QwtPlotDict:

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Collaboration diagram for QwtPlotDict:

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List of all members.


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.

See also:
QwtPlotItem::attach(), QwtPlotItem::detach(), QwtPlotItem::z()

Definition at line 42 of file qwt_plot_dict.h.


Public Member Functions

 QwtPlotDict ()
 ~QwtPlotDict ()
void setAutoDelete (bool)
bool autoDelete () const
const QwtPlotItemListitemList () const
void detachItems (int rtti=QwtPlotItem::Rtti_PlotItem, bool autoDelete=true)

Friends

class QwtPlotItem

Constructor & Destructor Documentation

QwtPlotDict::QwtPlotDict (  )  [explicit]

Constructor

Auto deletion is enabled.

See also:
setAutoDelete, attachItem

Definition at line 95 of file qwt_plot_dict.cpp.

QwtPlotDict::~QwtPlotDict (  ) 

Destructor

If autoDelete is on, all attached items will be deleted

See also:
setAutoDelete, autoDelete, attachItem

Definition at line 107 of file qwt_plot_dict.cpp.

References detachItems().


Member Function Documentation

void QwtPlotDict::setAutoDelete ( bool  autoDelete  ) 

En/Disable Auto deletion

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

See also:
autoDelete, attachItem

Definition at line 121 of file qwt_plot_dict.cpp.

bool QwtPlotDict::autoDelete (  )  const

Returns:
true if auto deletion is enabled
See also:
setAutoDelete, attachItem

Definition at line 130 of file qwt_plot_dict.cpp.

Referenced by QwtPlot::~QwtPlot().

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:
List of all attached plot items.

Definition at line 187 of file qwt_plot_dict.cpp.

Referenced by QwtPlotPrintFilter::apply(), QwtPlot::drawItems(), QwtPlot::insertLegend(), QwtPlotPrintFilter::reset(), and QwtPlot::updateAxes().

void QwtPlotDict::detachItems ( int  rtti = QwtPlotItem::Rtti_PlotItem,
bool  autoDelete = true 
)

Detach items from the dictionary

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

Definition at line 162 of file qwt_plot_dict.cpp.

References QwtPlotItem::attach(), and QwtPlotItem::rtti().

Referenced by QwtPlot::clear(), QwtPlot::~QwtPlot(), and ~QwtPlotDict().


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