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.

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

       Definition at line 32 of file qwt_plot_dict.h.

Constructor & Destructor Documentation
   QwtPlotDict::QwtPlotDict () [explicit]
       Constructor

       Auto deletion is enabled.

       See also
           setAutoDelete(), QwtPlotItem::attach()

       Definition at line 69 of file qwt_plot_dict.cpp.

   QwtPlotDict::~QwtPlotDict () [virtual]
       Destructor

       If autoDelete() is on, all attached items will be deleted

       See also
           setAutoDelete(), autoDelete(), QwtPlotItem::attach()

       Definition at line 81 of file qwt_plot_dict.cpp.

Member Function Documentation
   bool QwtPlotDict::autoDelete () const
       Returns
           true if auto deletion is enabled

       See also
           setAutoDelete(), insertItem()

       Definition at line 104 of file qwt_plot_dict.cpp.

   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 138 of file qwt_plot_dict.cpp.

   void QwtPlotDict::insertItem (QwtPlotItem * item) [protected]
       Insert a plot item

       Parameters
           item PlotItem

       See also
           removeItem()

       Definition at line 115 of file qwt_plot_dict.cpp.

   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 166 of file qwt_plot_dict.cpp.

   QwtPlotItemList QwtPlotDict::itemList (int rtti) const
       Returns
           List of all attached plot items of a specific type.

       Parameters
           rtti See QwtPlotItem::RttiValues

       See also
           QwtPlotItem::rtti()

       Definition at line 176 of file qwt_plot_dict.cpp.

   void QwtPlotDict::removeItem (QwtPlotItem * item) [protected]
       Remove a plot item

       Parameters
           item PlotItem

       See also
           insertItem()

       Definition at line 126 of file qwt_plot_dict.cpp.

   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(), insertItem()

       Definition at line 95 of file qwt_plot_dict.cpp.


Author
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Version 6.2.0                   Sun Jul 18 2021                 QwtPlotDict(3)