/usr/include/qwt/qwt_legend_itemmanager.h is in libqwt-dev 6.0.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_LEGEND_ITEM_MANAGER_H
#define QWT_LEGEND_ITEM_MANAGER_H
#include "qwt_global.h"
class QwtLegend;
class QWidget;
class QRectF;
class QPainter;
/*!
\brief Abstract API to bind plot items to the legend
*/
class QWT_EXPORT QwtLegendItemManager
{
public:
//! Constructor
QwtLegendItemManager()
{
}
//! Destructor
virtual ~QwtLegendItemManager()
{
}
/*!
Update the widget that represents the item on the legend
\param legend Legend
\sa legendItem()
*/
virtual void updateLegend( QwtLegend *legend ) const = 0;
/*!
Allocate the widget that represents the item on the legend
\return Allocated widget
\sa updateLegend() QwtLegend()
*/
virtual QWidget *legendItem() const = 0;
/*!
QwtLegendItem can display an icon-identifier followed
by a text. The icon helps to identify a plot item on
the plot canvas and depends on the type of information,
that is displayed.
The default implementation paints nothing.
*/
virtual void drawLegendIdentifier( QPainter *, const QRectF & ) const
{
}
};
#endif
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