<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Qwt User's Guide: QwtLegendItemManager Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> </div> <div class="headertitle"> <h1>QwtLegendItemManager Class Reference</h1> </div> </div> <div class="contents"> <!-- doxytag: class="QwtLegendItemManager" --> <p>Abstract API to bind plot items to the legend. <a href="#_details">More...</a></p> <p><code>#include <<a class="el" href="qwt__legend__itemmanager_8h_source.html">qwt_legend_itemmanager.h</a>></code></p> <div class="dynheader"> Inheritance diagram for QwtLegendItemManager:</div> <div class="dyncontent"> <div class="center"><img src="class_qwt_legend_item_manager__inherit__graph.png" border="0" usemap="#_qwt_legend_item_manager_inherit__map" alt="Inheritance graph"/></div> <map name="_qwt_legend_item_manager_inherit__map" id="_qwt_legend_item_manager_inherit__map"> <area shape="rect" id="node3" href="class_qwt_plot_item.html" title="Base class for items on the plot canvas." alt="" coords="219,284,312,313"/><area shape="rect" id="node5" href="class_qwt_plot_abstract_series_item.html" title="Base class for plot items representing a series of samples." alt="" coords="363,155,541,184"/><area shape="rect" id="node26" href="class_qwt_plot_grid.html" title="A class which draws a coordinate grid." alt="" coords="407,208,497,237"/><area shape="rect" id="node28" href="class_qwt_plot_marker.html" title="A class for drawing markers." alt="" coords="399,261,505,291"/><area shape="rect" id="node30" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data." alt="" coords="387,315,517,344"/><area shape="rect" id="node34" href="class_qwt_plot_scale_item.html" title="A class which draws a scale inside the plot canvas." alt="" coords="389,368,515,397"/><area shape="rect" id="node36" href="class_qwt_plot_svg_item.html" title="A plot item, which displays data in Scalable Vector Graphics (SVG) format." alt="" coords="395,421,509,451"/><area shape="rect" id="node7" href="class_qwt_plot_series_item.html" title="Class template for plot items representing a series of samples." alt="" coords="593,112,753,141"/><area shape="rect" id="node9" href="class_qwt_plot_series_item.html" title="QwtPlotSeriesItem\< QwtIntervalSample \>" alt="" coords="936,25,1197,55"/><area shape="rect" id="node15" href="class_qwt_plot_series_item.html" title="QwtPlotSeriesItem\< QPointF \>" alt="" coords="965,139,1168,168"/><area shape="rect" id="node19" href="class_qwt_plot_series_item.html" title="QwtPlotSeriesItem\< QwtPoint3D \>" alt="" coords="956,207,1177,236"/><area shape="rect" id="node11" href="class_qwt_plot_histogram.html" title="QwtPlotHistogram represents a series of samples, where an interval is associated with a value (  )..." alt="" coords="1259,5,1384,35"/><area shape="rect" id="node13" href="class_qwt_plot_interval_curve.html" title="QwtPlotIntervalCurve represents a series of samples, where each value is associated with an interval ..." alt="" coords="1252,59,1391,88"/><area shape="rect" id="node17" href="class_qwt_plot_curve.html" title="A plot item, that represents a series of points." alt="" coords="1272,139,1371,168"/><area shape="rect" id="node21" href="class_qwt_plot_spectro_curve.html" title="Curve that displays 3D points as dots, where the z coordinate is mapped to a color." alt="" coords="1249,207,1393,236"/><area shape="rect" id="node32" href="class_qwt_plot_spectrogram.html" title="A plot item, which displays a spectrogram." alt="" coords="603,315,744,344"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <p><a href="class_qwt_legend_item_manager-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_item_manager.html#a8dd765a2fd5b9a286fa398810a5c2ad8">drawLegendIdentifier</a> (QPainter *, const QRectF &) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual QWidget * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_item_manager.html#ac019b92797940db3cec2246a080598e0">legendItem</a> () const =0</td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_item_manager.html#a57827c099bdb5691820f749f3e5da710">QwtLegendItemManager</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_item_manager.html#ad3bd052ea242ef8595c7d6008b9cc6f4">updateLegend</a> (<a class="el" href="class_qwt_legend.html">QwtLegend</a> *legend) const =0</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_legend_item_manager.html#a8024d2ec1f7d289161311fa706e7cf61">~QwtLegendItemManager</a> ()</td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <div class="textblock"><p>Abstract API to bind plot items to the legend. </p> </div><hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="a57827c099bdb5691820f749f3e5da710"></a><!-- doxytag: member="QwtLegendItemManager::QwtLegendItemManager" ref="a57827c099bdb5691820f749f3e5da710" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtLegendItemManager::QwtLegendItemManager </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructor. </p> </div> </div> <a class="anchor" id="a8024d2ec1f7d289161311fa706e7cf61"></a><!-- doxytag: member="QwtLegendItemManager::~QwtLegendItemManager" ref="a8024d2ec1f7d289161311fa706e7cf61" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual QwtLegendItemManager::~QwtLegendItemManager </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Destructor. </p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a8dd765a2fd5b9a286fa398810a5c2ad8"></a><!-- doxytag: member="QwtLegendItemManager::drawLegendIdentifier" ref="a8dd765a2fd5b9a286fa398810a5c2ad8" args="(QPainter *, const QRectF &) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual void QwtLegendItemManager::drawLegendIdentifier </td> <td>(</td> <td class="paramtype">QPainter * </td> <td class="paramname">, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const QRectF & </td> <td class="paramname"> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [inline, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p><a class="el" href="class_qwt_legend_item.html" title="A widget representing something on a QwtLegend().">QwtLegendItem</a> can display an icon-identifier followed by a text. The icon helps to identify a plot item on the plot canvas and depends on the type of information, that is displayed.</p> <p>The default implementation paints nothing. </p> <p>Reimplemented in <a class="el" href="class_qwt_plot_curve.html#a8e9518a3e9f64e1d024a7f4550335df0">QwtPlotCurve</a>, <a class="el" href="class_qwt_plot_histogram.html#a8bf6410cab08923d02e7167321b3c926">QwtPlotHistogram</a>, <a class="el" href="class_qwt_plot_interval_curve.html#a3cd73ea413b99647d8e3e9d8dc322431">QwtPlotIntervalCurve</a>, and <a class="el" href="class_qwt_plot_marker.html#ae99020d14c8ec4567ed94cdeb805fea1">QwtPlotMarker</a>.</p> </div> </div> <a class="anchor" id="ac019b92797940db3cec2246a080598e0"></a><!-- doxytag: member="QwtLegendItemManager::legendItem" ref="ac019b92797940db3cec2246a080598e0" args="() const =0" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual QWidget* QwtLegendItemManager::legendItem </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [pure virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Allocate the widget that represents the item on the legend </p> <dl class="return"><dt><b>Returns:</b></dt><dd>Allocated widget </dd></dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_legend_item_manager.html#ad3bd052ea242ef8595c7d6008b9cc6f4">updateLegend()</a> QwtLegend() </dd></dl> <p>Implemented in <a class="el" href="class_qwt_plot_item.html#a09824eda5e564a853e6586bc387a3b4b">QwtPlotItem</a>.</p> </div> </div> <a class="anchor" id="ad3bd052ea242ef8595c7d6008b9cc6f4"></a><!-- doxytag: member="QwtLegendItemManager::updateLegend" ref="ad3bd052ea242ef8595c7d6008b9cc6f4" args="(QwtLegend *legend) const =0" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual void QwtLegendItemManager::updateLegend </td> <td>(</td> <td class="paramtype"><a class="el" href="class_qwt_legend.html">QwtLegend</a> * </td> <td class="paramname"><em>legend</em></td><td>)</td> <td> const<code> [pure virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Update the widget that represents the item on the legend </p> <dl><dt><b>Parameters:</b></dt><dd> <table class="params"> <tr><td class="paramname">legend</td><td>Legend </td></tr> </table> </dd> </dl> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_legend_item_manager.html#ac019b92797940db3cec2246a080598e0">legendItem()</a> </dd></dl> <p>Implemented in <a class="el" href="class_qwt_plot_curve.html#aedbca95048e4c7b42cd0bf486ec36b4d">QwtPlotCurve</a>, <a class="el" href="class_qwt_plot_item.html#a193770cd20609a368c5130de59cb782e">QwtPlotItem</a>, and <a class="el" href="class_qwt_plot_marker.html#a75ea063a742c23ab1952fc2bf96b5762">QwtPlotMarker</a>.</p> </div> </div> </div> <hr class="footer"/><address class="footer"><small>Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>