Qwt User's Guide  5.2.3
qwt_legend_item.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2  * Qwt Widget Library
3  * Copyright (C) 1997 Josef Wilgen
4  * Copyright (C) 2002 Uwe Rathmann
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the Qwt License, Version 1.0
8  *****************************************************************************/
9 
10 // vim: expandtab
11 
12 #ifndef QWT_LEGEND_ITEM_H
13 #define QWT_LEGEND_ITEM_H
14 
15 #include "qwt_global.h"
16 #include "qwt_legend.h"
17 #include "qwt_text.h"
18 #include "qwt_text_label.h"
19 
20 class QPainter;
21 class QPen;
22 class QwtSymbol;
23 
35 class QWT_EXPORT QwtLegendItem: public QwtTextLabel
36 {
37  Q_OBJECT
38 public:
39 
47  enum IdentifierMode
48  {
49  NoIdentifier = 0,
50  ShowLine = 1,
51  ShowSymbol = 2,
52  ShowText = 4
53  };
54 
55  explicit QwtLegendItem(QWidget *parent = 0);
56  explicit QwtLegendItem(const QwtSymbol &, const QPen &,
57  const QwtText &, QWidget *parent = 0);
58  virtual ~QwtLegendItem();
59 
60  virtual void setText(const QwtText &);
61 
62  void setItemMode(QwtLegend::LegendItemMode);
63  QwtLegend::LegendItemMode itemMode() const;
64 
65  void setIdentifierMode(int);
66  int identifierMode() const;
67 
68  void setIdentifierWidth(int width);
69  int identifierWidth() const;
70 
71  void setSpacing(int spacing);
72  int spacing() const;
73 
74  void setSymbol(const QwtSymbol &);
75  const QwtSymbol& symbol() const;
76 
77  void setCurvePen(const QPen &);
78  const QPen& curvePen() const;
79 
80  virtual void drawIdentifier(QPainter *, const QRect &) const;
81  virtual void drawItem(QPainter *p, const QRect &) const;
82 
83  virtual QSize sizeHint() const;
84 
85  bool isChecked() const;
86 
87 public slots:
88  void setChecked(bool on);
89 
90 signals:
92  void clicked();
93 
95  void pressed();
96 
98  void released();
99 
101  void checked(bool);
102 
103 protected:
104  void setDown(bool);
105  bool isDown() const;
106 
107  virtual void paintEvent(QPaintEvent *);
108  virtual void mousePressEvent(QMouseEvent *);
109  virtual void mouseReleaseEvent(QMouseEvent *);
110  virtual void keyPressEvent(QKeyEvent *);
111  virtual void keyReleaseEvent(QKeyEvent *);
112 
113  virtual void drawText(QPainter *, const QRect &);
114 
115 private:
116  void init(const QwtText &);
117 
118  class PrivateData;
119  PrivateData *d_data;
120 };
121 
122 #endif // QWT_LEGEND_ITEM_H
Generated by   doxygen 1.8.1