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QwtPlotDict(3) Qwt User's Guide QwtPlotDict(3)

QwtPlotDict -

#include <qwt_plot_dict.h>

Inherited by QwtPlot.


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


class QwtPlotItem

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()

Constructor

Auto deletion is enabled.

See also:

setAutoDelete(), attachItem()

Destructor

If autoDelete is on, all attached items will be deleted

See also:

setAutoDelete(), autoDelete(), attachItem()

Returns:

true if auto deletion is enabled

See also:

setAutoDelete(), attachItem()

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

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.

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()

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Tue Nov 20 2012 Version 5.2.3