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124 lines
3.1 KiB
124 lines
3.1 KiB
15 years ago
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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// vim: expandtab
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#ifndef QWT_LEGEND_H
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#define QWT_LEGEND_H
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#include <qframe.h>
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#include "qwt_global.h"
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#if QT_VERSION < 0x040000
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#include <qvaluelist.h>
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#else
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#include <qlist.h>
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#endif
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class QScrollBar;
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class QwtLegendItemManager;
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/*!
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\brief The legend widget
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The QwtLegend widget is a tabular arrangement of legend items. Legend
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items might be any type of widget, but in general they will be
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a QwtLegendItem.
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\sa QwtLegendItem, QwtLegendItemManager QwtPlot
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*/
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class QWT_EXPORT QwtLegend : public QFrame
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{
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Q_OBJECT
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public:
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/*!
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\brief Display policy
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- NoIdentifier\n
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The client code is responsible how to display of each legend item.
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The Qwt library will not interfere.
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- FixedIdentifier\n
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All legend items are displayed with the QwtLegendItem::IdentifierMode
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to be passed in 'mode'.
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- AutoIdentifier\n
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Each legend item is displayed with a mode that is a bitwise or of
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- QwtLegendItem::ShowLine (if its curve is drawn with a line) and
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- QwtLegendItem::ShowSymbol (if its curve is drawn with symbols) and
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- QwtLegendItem::ShowText (if the has a title).
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Default is AutoIdentifier.
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\sa setDisplayPolicy(), displayPolicy(), QwtLegendItem::IdentifierMode
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*/
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14 years ago
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enum LegendDisplayPolicy {
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15 years ago
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NoIdentifier = 0,
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FixedIdentifier = 1,
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AutoIdentifier = 2
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};
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//! Interaction mode for the legend items
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14 years ago
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enum LegendItemMode {
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15 years ago
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ReadOnlyItem,
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ClickableItem,
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CheckableItem
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};
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explicit QwtLegend(QWidget *parent = NULL);
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virtual ~QwtLegend();
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14 years ago
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void setDisplayPolicy(LegendDisplayPolicy policy, int mode);
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LegendDisplayPolicy displayPolicy() const;
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void setItemMode(LegendItemMode);
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LegendItemMode itemMode() const;
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int identifierMode() const;
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QWidget *contentsWidget();
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const QWidget *contentsWidget() const;
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void insert(const QwtLegendItemManager *, QWidget *);
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void remove(const QwtLegendItemManager *);
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QWidget *find(const QwtLegendItemManager *) const;
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QwtLegendItemManager *find(const QWidget *) const;
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#if QT_VERSION < 0x040000
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virtual QValueList<QWidget *> legendItems() const;
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#else
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virtual QList<QWidget *> legendItems() const;
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#endif
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void clear();
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14 years ago
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15 years ago
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bool isEmpty() const;
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uint itemCount() const;
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virtual bool eventFilter(QObject *, QEvent *);
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virtual QSize sizeHint() const;
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virtual int heightForWidth(int w) const;
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QScrollBar *horizontalScrollBar() const;
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QScrollBar *verticalScrollBar() const;
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protected:
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virtual void resizeEvent(QResizeEvent *);
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virtual void layoutContents();
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private:
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class PrivateData;
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PrivateData *d_data;
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};
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#endif // QWT_LEGEND_H
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