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 <span id="projectnumber">6.1.3</span>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef QWT_LEGEND_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define QWT_LEGEND_H</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "qwt_global.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "qwt_abstract_legend.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <qvariant.h></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">class </span>QScrollBar;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="class_qwt_legend.html"> 29</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_legend.html">QwtLegend</a> : <span class="keyword">public</span> <a class="code" href="class_qwt_abstract_legend.html">QwtAbstractLegend</a></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  Q_OBJECT</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">explicit</span> <a class="code" href="class_qwt_legend.html">QwtLegend</a>( QWidget *parent = NULL );</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_legend.html">QwtLegend</a>();</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">void</span> setMaxColumns( uint numColums );</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  uint maxColumns() <span class="keyword">const</span>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">void</span> setDefaultItemMode( <a class="code" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a> );</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a> defaultItemMode() <span class="keyword">const</span>;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  QWidget *contentsWidget();</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">const</span> QWidget *contentsWidget() <span class="keyword">const</span>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  QWidget *legendWidget( <span class="keyword">const</span> QVariant & ) <span class="keyword">const</span>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  QList<QWidget *> legendWidgets( <span class="keyword">const</span> QVariant & ) <span class="keyword">const</span>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  QVariant itemInfo( <span class="keyword">const</span> QWidget * ) <span class="keyword">const</span>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> eventFilter( QObject *, QEvent * );</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">virtual</span> QSize sizeHint() <span class="keyword">const</span>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> heightForWidth( <span class="keywordtype">int</span> w ) <span class="keyword">const</span>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  QScrollBar *horizontalScrollBar() <span class="keyword">const</span>;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  QScrollBar *verticalScrollBar() <span class="keyword">const</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_legend.html#a3656b3d4dcf572c0b4134b9988c975f6">renderLegend</a>( QPainter *, </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> QRectF &, <span class="keywordtype">bool</span> fillBackground ) <span class="keyword">const</span>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> renderItem( QPainter *, </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> QWidget *, <span class="keyword">const</span> QRectF &, <span class="keywordtype">bool</span> fillBackground ) <span class="keyword">const</span>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_abstract_legend.html#a177cb553f60c0446cdef9e7ace916641">isEmpty</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_abstract_legend.html#a51e8c45d2afc691e78b09c662d7a493e">scrollExtent</a>( Qt::Orientation ) <span class="keyword">const</span>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> Q_SIGNALS:</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">void</span> clicked( <span class="keyword">const</span> QVariant &itemInfo, <span class="keywordtype">int</span> index );</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">void</span> checked( <span class="keyword">const</span> QVariant &itemInfo, <span class="keywordtype">bool</span> on, <span class="keywordtype">int</span> index );</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">public</span> Q_SLOTS:</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_abstract_legend.html#aa9fc80c9e1dcbcfef51b96a3bff268ca">updateLegend</a>( <span class="keyword">const</span> QVariant &,</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">const</span> QList<QwtLegendData> & );</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">protected</span> Q_SLOTS:</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">void</span> itemClicked();</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">void</span> itemChecked( <span class="keywordtype">bool</span> );</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">virtual</span> QWidget *createWidget( <span class="keyword">const</span> <a class="code" href="class_qwt_legend_data.html">QwtLegendData</a> & ) <span class="keyword">const</span>;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> updateWidget( QWidget *widget, <span class="keyword">const</span> <a class="code" href="class_qwt_legend_data.html">QwtLegendData</a> &data );</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span> updateTabOrder();</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  PrivateData *d_data;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> };</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#endif </span></div><div class="ttc" id="class_qwt_abstract_legend_html"><div class="ttname"><a href="class_qwt_abstract_legend.html">QwtAbstractLegend</a></div><div class="ttdoc">Abstract base class for legend widgets. </div><div class="ttdef"><b>Definition:</b> qwt_abstract_legend.h:34</div></div>
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<div class="ttc" id="class_qwt_legend_html"><div class="ttname"><a href="class_qwt_legend.html">QwtLegend</a></div><div class="ttdoc">The legend widget. </div><div class="ttdef"><b>Definition:</b> qwt_legend.h:29</div></div>
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<div class="ttc" id="class_qwt_abstract_legend_html_a3656b3d4dcf572c0b4134b9988c975f6"><div class="ttname"><a href="class_qwt_abstract_legend.html#a3656b3d4dcf572c0b4134b9988c975f6">QwtAbstractLegend::renderLegend</a></div><div class="ttdeci">virtual void renderLegend(QPainter *painter, const QRectF &rect, bool fillBackground) const =0</div></div>
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<div class="ttc" id="class_qwt_abstract_legend_html_a51e8c45d2afc691e78b09c662d7a493e"><div class="ttname"><a href="class_qwt_abstract_legend.html#a51e8c45d2afc691e78b09c662d7a493e">QwtAbstractLegend::scrollExtent</a></div><div class="ttdeci">virtual int scrollExtent(Qt::Orientation) const </div><div class="ttdef"><b>Definition:</b> qwt_abstract_legend.cpp:34</div></div>
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<div class="ttc" id="class_qwt_legend_data_html"><div class="ttname"><a href="class_qwt_legend_data.html">QwtLegendData</a></div><div class="ttdoc">Attributes of an entry on a legend. </div><div class="ttdef"><b>Definition:</b> qwt_legend_data.h:35</div></div>
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<div class="ttc" id="class_qwt_legend_data_html_aaa33cc8e6aec17440df5d4c38d7545b7"><div class="ttname"><a href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a></div><div class="ttdeci">Mode</div><div class="ttdoc">Mode defining how a legend entry interacts. </div><div class="ttdef"><b>Definition:</b> qwt_legend_data.h:39</div></div>
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<div class="ttc" id="class_qwt_abstract_legend_html_a177cb553f60c0446cdef9e7ace916641"><div class="ttname"><a href="class_qwt_abstract_legend.html#a177cb553f60c0446cdef9e7ace916641">QwtAbstractLegend::isEmpty</a></div><div class="ttdeci">virtual bool isEmpty() const =0</div></div>
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<div class="ttc" id="class_qwt_abstract_legend_html_aa9fc80c9e1dcbcfef51b96a3bff268ca"><div class="ttname"><a href="class_qwt_abstract_legend.html#aa9fc80c9e1dcbcfef51b96a3bff268ca">QwtAbstractLegend::updateLegend</a></div><div class="ttdeci">virtual void updateLegend(const QVariant &itemInfo, const QList< QwtLegendData > &data)=0</div><div class="ttdoc">Update the entries for a plot item. </div></div>
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