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<a href="class_qwt_legend_data-members.html">List of all members</a> </div>
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<div class="title">QwtLegendData Class Reference</div> </div>
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<p>Attributes of an entry on a legend.
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<a href="class_qwt_legend_data.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="qwt__legend__data_8h_source.html">qwt_legend_data.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<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>,
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<a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7a39077c66db9fe2faf4d85a6f9266583f">Clickable</a>,
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<a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7a250e05444c9927d83d3815d9f5593917">Checkable</a>
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}<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>
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</td></tr>
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<tr class="separator:aaa33cc8e6aec17440df5d4c38d7545b7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a55bd21943c804101d956250ca43f93f9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" 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>,
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<b>TitleRole</b>,
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<b>IconRole</b>,
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<b>UserRole</b> = 32
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}<tr class="memdesc:a55bd21943c804101d956250ca43f93f9"><td class="mdescLeft"> </td><td class="mdescRight">Identifier how to interprete a QVariant. <br /></td></tr>
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</td></tr>
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<tr class="separator:a55bd21943c804101d956250ca43f93f9"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a519e4f01583d051e4b2458ab9dfcb196"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a519e4f01583d051e4b2458ab9dfcb196"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a519e4f01583d051e4b2458ab9dfcb196">QwtLegendData</a> ()</td></tr>
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<tr class="memdesc:a519e4f01583d051e4b2458ab9dfcb196"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
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<tr class="separator:a519e4f01583d051e4b2458ab9dfcb196"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a56608cc97875e7b3dd9340decd5231cb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a56608cc97875e7b3dd9340decd5231cb"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a56608cc97875e7b3dd9340decd5231cb">~QwtLegendData</a> ()</td></tr>
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<tr class="memdesc:a56608cc97875e7b3dd9340decd5231cb"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<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>
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<tr class="separator:a68c3bc398c541f345a12fa9321ad52ed"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aeecadb69ee0e384b34f4b39a2131924e"><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#aeecadb69ee0e384b34f4b39a2131924e">values</a> () const </td></tr>
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<tr class="separator:aeecadb69ee0e384b34f4b39a2131924e"><td class="memSeparator" colspan="2"> </td></tr>
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<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>
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<tr class="separator:a1be4b4cf3c1df733744633ea6c02346a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a73016050ce489f85018025ec5a268387"><td class="memItemLeft" align="right" valign="top">QVariant </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a73016050ce489f85018025ec5a268387">value</a> (int role) const </td></tr>
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<tr class="separator:a73016050ce489f85018025ec5a268387"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae615eb3d1a3d88cc25dc0ed6dea70a72"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#ae615eb3d1a3d88cc25dc0ed6dea70a72">hasRole</a> (int role) const </td></tr>
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<tr class="separator:ae615eb3d1a3d88cc25dc0ed6dea70a72"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4f77fc2e39d6187fb58aeb964049b4c6"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_data.html#a4f77fc2e39d6187fb58aeb964049b4c6">isValid</a> () const </td></tr>
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<tr class="separator:a4f77fc2e39d6187fb58aeb964049b4c6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3a4e20d33c2eb8bec1e8ef9b943de74c"><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#a3a4e20d33c2eb8bec1e8ef9b943de74c">icon</a> () const </td></tr>
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<tr class="separator:a3a4e20d33c2eb8bec1e8ef9b943de74c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a23d0faa63f590c1f0c3ee7c9479410cf"><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#a23d0faa63f590c1f0c3ee7c9479410cf">title</a> () const </td></tr>
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<tr class="separator:a23d0faa63f590c1f0c3ee7c9479410cf"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7cd0c8df579edddf8abfe6c7a87af07f"><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#a7cd0c8df579edddf8abfe6c7a87af07f">mode</a> () const </td></tr>
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<tr class="separator:a7cd0c8df579edddf8abfe6c7a87af07f"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Attributes of an entry on a legend. </p>
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<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>
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<p>By overloading <a class="el" href="class_qwt_plot_item.html#a584b37b42cb2c63424cedade1f4d7221" 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>
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<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>
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<dl class="section note"><dt>Note</dt><dd>The stockchart example implements a legend as a tree with checkable items </dd></dl>
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</div><h2 class="groupheader">Member Enumeration Documentation</h2>
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<a class="anchor" id="aaa33cc8e6aec17440df5d4c38d7545b7"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname">enum <a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Mode defining how a legend entry interacts. </p>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="aaa33cc8e6aec17440df5d4c38d7545b7add4342fbe2d82828b9ef7031c1b41a0b"></a>ReadOnly </td><td class="fielddoc">
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<p>The legend item is not interactive, like a label. </p>
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="aaa33cc8e6aec17440df5d4c38d7545b7a39077c66db9fe2faf4d85a6f9266583f"></a>Clickable </td><td class="fielddoc">
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<p>The legend item is clickable, like a push button. </p>
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</td></tr>
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<tr><td class="fieldname"><a class="anchor" id="aaa33cc8e6aec17440df5d4c38d7545b7a250e05444c9927d83d3815d9f5593917"></a>Checkable </td><td class="fielddoc">
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<p>The legend item is checkable, like a checkable button. </p>
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</td></tr>
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</table>
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</div>
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</div>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="ae615eb3d1a3d88cc25dc0ed6dea70a72"></a>
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<td class="memname">bool QwtLegendData::hasRole </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>role</em></td><td>)</td>
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<td> const</td>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">role</td><td>Attribute role </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>True, when the internal map has an entry for role </dd></dl>
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</div>
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<a class="anchor" id="a3a4e20d33c2eb8bec1e8ef9b943de74c"></a>
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<td class="memname"><a class="el" href="class_qwt_graphic.html">QwtGraphic</a> QwtLegendData::icon </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Value of the IconRole attribute </dd></dl>
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<td class="memname">bool QwtLegendData::isValid </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>True, when the internal map is empty </dd></dl>
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<td class="memname"><a class="el" href="class_qwt_legend_data.html#aaa33cc8e6aec17440df5d4c38d7545b7">QwtLegendData::Mode</a> QwtLegendData::mode </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Value of the ModeRole attribute </dd></dl>
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<td class="memname">void QwtLegendData::setValue </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>role</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const QVariant & </td>
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<td class="paramname"><em>data</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Set an attribute value</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">role</td><td>Attribute role </td></tr>
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<tr><td class="paramname">data</td><td>Attribute value</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_legend_data.html#a73016050ce489f85018025ec5a268387">value()</a> </dd></dl>
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</div>
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<a class="anchor" id="a68c3bc398c541f345a12fa9321ad52ed"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void QwtLegendData::setValues </td>
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<td>(</td>
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<td class="paramtype">const QMap< int, QVariant > & </td>
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<td class="paramname"><em>map</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Set the legend attributes</p>
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<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>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">map</td><td>Values </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_legend_data.html#aeecadb69ee0e384b34f4b39a2131924e">values()</a> </dd></dl>
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</div>
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<a class="anchor" id="a23d0faa63f590c1f0c3ee7c9479410cf"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname"><a class="el" href="class_qwt_text.html">QwtText</a> QwtLegendData::title </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="section return"><dt>Returns</dt><dd>Value of the TitleRole attribute </dd></dl>
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</div>
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</div>
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<a class="anchor" id="a73016050ce489f85018025ec5a268387"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">QVariant QwtLegendData::value </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>role</em></td><td>)</td>
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<td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
|
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<tr><td class="paramname">role</td><td>Attribute role </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Attribute value for a specific role </dd></dl>
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</div>
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</div>
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<a class="anchor" id="aeecadb69ee0e384b34f4b39a2131924e"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">const QMap< int, QVariant > & QwtLegendData::values </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="section return"><dt>Returns</dt><dd>Legend attributes </dd></dl>
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<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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