Qwt User's Guide: qwt_legend_itemmanager.h Source File

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qwt_legend_itemmanager.h

00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 // vim: expandtab
00011 
00012 #ifndef QWT_LEGEND_ITEM_MANAGER_H
00013 #define QWT_LEGEND_ITEM_MANAGER_H
00014 
00015 #include "qwt_global.h"
00016 
00017 class QwtLegend;
00018 class QWidget;
00019 
00024 class QWT_EXPORT QwtLegendItemManager
00025 {
00026 public:
00028     QwtLegendItemManager() 
00029     {
00030     }
00031 
00033     virtual ~QwtLegendItemManager() 
00034     {
00035     }
00036 
00042     virtual void updateLegend(QwtLegend *legend) const = 0;
00043 
00050     virtual QWidget *legendItem() const = 0;
00051 };
00052 
00053 #endif
00054

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