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 <span id="projectnumber">6.1.4</span>
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<a href="#pub-types">Public Types</a> |
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<div class="headertitle">
<div class="title">QwtLegendData Class Reference</div> </div>
</div><!--header-->
<div class="contents">
<p>Attributes of an entry on a legend.
<a href="class_qwt_legend_data.html#details">More...</a></p>
<p><code>#include <<a class="el" href="qwt__legend__data_8h_source.html">qwt_legend_data.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:aaa33cc8e6aec17440df5d4c38d7545b7"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">Mode</a> { <a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7add4342fbe2d82828b9ef7031c1b41a0b">ReadOnly</a>,
<a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7a39077c66db9fe2faf4d85a6f9266583f">Clickable</a>,
<a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7a250e05444c9927d83d3815d9f5593917">Checkable</a>
}</td></tr>
<tr class="memdesc:aaa33cc8e6aec17440df5d4c38d7545b7"><td class="mdescLeft"> </td><td class="mdescRight">Mode defining how a legend entry interacts. <a href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">More...</a><br /></td></tr>
<tr class="separator:aaa33cc8e6aec17440df5d4c38d7545b7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a55bd21943c804101d956250ca43f93f9"><td class="memItemLeft" align="right" valign="top"><a id="a55bd21943c804101d956250ca43f93f9"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a55bd21943c804101d956250ca43f93f9">Role</a> { <b>ModeRole</b>,
<b>TitleRole</b>,
<b>IconRole</b>,
<b>UserRole</b> = 32
}</td></tr>
<tr class="memdesc:a55bd21943c804101d956250ca43f93f9"><td class="mdescLeft"> </td><td class="mdescRight">Identifier how to interprete a QVariant. <br /></td></tr>
<tr class="separator:a55bd21943c804101d956250ca43f93f9"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a519e4f01583d051e4b2458ab9dfcb196"><td class="memItemLeft" align="right" valign="top"><a id="a519e4f01583d051e4b2458ab9dfcb196"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a519e4f01583d051e4b2458ab9dfcb196">QwtLegendData</a> ()</td></tr>
<tr class="memdesc:a519e4f01583d051e4b2458ab9dfcb196"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:a519e4f01583d051e4b2458ab9dfcb196"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a56608cc97875e7b3dd9340decd5231cb"><td class="memItemLeft" align="right" valign="top"><a id="a56608cc97875e7b3dd9340decd5231cb"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a56608cc97875e7b3dd9340decd5231cb">~QwtLegendData</a> ()</td></tr>
<tr class="memdesc:a56608cc97875e7b3dd9340decd5231cb"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a56608cc97875e7b3dd9340decd5231cb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a68c3bc398c541f345a12fa9321ad52ed"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a68c3bc398c541f345a12fa9321ad52ed">setValues</a> (const QMap< int, QVariant > &)</td></tr>
<tr class="separator:a68c3bc398c541f345a12fa9321ad52ed"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad7a22d8fd13cce97d49eef4f48b897f7"><td class="memItemLeft" align="right" valign="top">const QMap< int, QVariant > & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#ad7a22d8fd13cce97d49eef4f48b897f7">values</a> () const</td></tr>
<tr class="separator:ad7a22d8fd13cce97d49eef4f48b897f7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1be4b4cf3c1df733744633ea6c02346a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a1be4b4cf3c1df733744633ea6c02346a">setValue</a> (int role, const QVariant &)</td></tr>
<tr class="separator:a1be4b4cf3c1df733744633ea6c02346a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6d7b579487291f78d9cc26b59b53e32f"><td class="memItemLeft" align="right" valign="top">QVariant </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a6d7b579487291f78d9cc26b59b53e32f">value</a> (int role) const</td></tr>
<tr class="separator:a6d7b579487291f78d9cc26b59b53e32f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abfa62dcccd380d9ba41cd24923c1155f"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#abfa62dcccd380d9ba41cd24923c1155f">hasRole</a> (int role) const</td></tr>
<tr class="separator:abfa62dcccd380d9ba41cd24923c1155f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa4965e8711b0b4cb899b673fe8525392"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#aa4965e8711b0b4cb899b673fe8525392">isValid</a> () const</td></tr>
<tr class="separator:aa4965e8711b0b4cb899b673fe8525392"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aea7d1ab69cc1cab86a949b48b92a71b4"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_graphic.html">QwtGraphic</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#aea7d1ab69cc1cab86a949b48b92a71b4">icon</a> () const</td></tr>
<tr class="separator:aea7d1ab69cc1cab86a949b48b92a71b4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af8a49f7a6cc6991815f3163b21d70d44"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_text.html">QwtText</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#af8a49f7a6cc6991815f3163b21d70d44">title</a> () const</td></tr>
<tr class="separator:af8a49f7a6cc6991815f3163b21d70d44"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a08a30173e015c7e743ae257f9ceb4736"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">Mode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a08a30173e015c7e743ae257f9ceb4736">mode</a> () const</td></tr>
<tr class="separator:a08a30173e015c7e743ae257f9ceb4736"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Attributes of an entry on a legend. </p>
<p><a class="el" href="class_qwt_legend_data.html" title="Attributes of an entry on a legend. ">QwtLegendData</a> is an abstract container ( like QAbstractModel ) to exchange attributes, that are only known between to the plot item and the legend.</p>
<p>By overloading <a class="el" href="class_qwt_plot_item.html#a367ed5160b8475daf6b5b06558310f98" title="Return all information, that is needed to represent the item on the legend. ">QwtPlotItem::legendData()</a> any other set of attributes could be used, that can be handled by a modified ( or completely different ) implementation of a legend.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_legend.html" title="The legend widget. ">QwtLegend</a>, <a class="el" href="class_qwt_plot_legend_item.html" title="A class which draws a legend inside the plot canvas. ">QwtPlotLegendItem</a> </dd></dl>
<dl class="section note"><dt>Note</dt><dd>The stockchart example implements a legend as a tree with checkable items </dd></dl>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="aaa33cc8e6aec17440df5d4c38d7545b7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aaa33cc8e6aec17440df5d4c38d7545b7">◆ </a></span>Mode</h2>
<div class="memitem">
<div class="memproto">
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<tr>
<td class="memname">enum <a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Mode defining how a legend entry interacts. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="aaa33cc8e6aec17440df5d4c38d7545b7add4342fbe2d82828b9ef7031c1b41a0b"></a>ReadOnly </td><td class="fielddoc"><p>The legend item is not interactive, like a label. </p>
</td></tr>
<tr><td class="fieldname"><a id="aaa33cc8e6aec17440df5d4c38d7545b7a39077c66db9fe2faf4d85a6f9266583f"></a>Clickable </td><td class="fielddoc"><p>The legend item is clickable, like a push button. </p>
</td></tr>
<tr><td class="fieldname"><a id="aaa33cc8e6aec17440df5d4c38d7545b7a250e05444c9927d83d3815d9f5593917"></a>Checkable </td><td class="fielddoc"><p>The legend item is checkable, like a checkable button. </p>
</td></tr>
</table>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="abfa62dcccd380d9ba41cd24923c1155f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abfa62dcccd380d9ba41cd24923c1155f">◆ </a></span>hasRole()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">bool QwtLegendData::hasRole </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>role</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">role</td><td>Attribute role </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>True, when the internal map has an entry for role </dd></dl>
</div>
</div>
<a id="aea7d1ab69cc1cab86a949b48b92a71b4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aea7d1ab69cc1cab86a949b48b92a71b4">◆ </a></span>icon()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="class_qwt_graphic.html">QwtGraphic</a> QwtLegendData::icon </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Value of the IconRole attribute </dd></dl>
</div>
</div>
<a id="aa4965e8711b0b4cb899b673fe8525392"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa4965e8711b0b4cb899b673fe8525392">◆ </a></span>isValid()</h2>
<div class="memitem">
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<td class="memname">bool QwtLegendData::isValid </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>True, when the internal map is empty </dd></dl>
</div>
</div>
<a id="a08a30173e015c7e743ae257f9ceb4736"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a08a30173e015c7e743ae257f9ceb4736">◆ </a></span>mode()</h2>
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a> QwtLegendData::mode </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Value of the ModeRole attribute </dd></dl>
</div>
</div>
<a id="a1be4b4cf3c1df733744633ea6c02346a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1be4b4cf3c1df733744633ea6c02346a">◆ </a></span>setValue()</h2>
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<td class="memname">void QwtLegendData::setValue </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>role</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QVariant & </td>
<td class="paramname"><em>data</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Set an attribute value</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">role</td><td>Attribute role </td></tr>
<tr><td class="paramname">data</td><td>Attribute value</td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_legend_data.html#a6d7b579487291f78d9cc26b59b53e32f">value()</a> </dd></dl>
</div>
</div>
<a id="a68c3bc398c541f345a12fa9321ad52ed"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a68c3bc398c541f345a12fa9321ad52ed">◆ </a></span>setValues()</h2>
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<p>Set the legend attributes</p>
<p><a class="el" href="class_qwt_legend_data.html" title="Attributes of an entry on a legend. ">QwtLegendData</a> actually is a QMap<int, QVariant> with some convenience interfaces</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">map</td><td>Values </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_legend_data.html#ad7a22d8fd13cce97d49eef4f48b897f7">values()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af8a49f7a6cc6991815f3163b21d70d44">◆ </a></span>title()</h2>
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<td class="memname"><a class="el" href="class_qwt_text.html">QwtText</a> QwtLegendData::title </td>
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<dl class="section return"><dt>Returns</dt><dd>Value of the TitleRole attribute </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a6d7b579487291f78d9cc26b59b53e32f">◆ </a></span>value()</h2>
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<td class="paramtype">int </td>
<td class="paramname"><em>role</em></td><td>)</td>
<td> const</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">role</td><td>Attribute role </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Attribute value for a specific role </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ad7a22d8fd13cce97d49eef4f48b897f7">◆ </a></span>values()</h2>
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<td class="memname">const QMap< int, QVariant > & QwtLegendData::values </td>
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<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Legend attributes </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_legend_data.html#a68c3bc398c541f345a12fa9321ad52ed">setValues()</a> </dd></dl>
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