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<td >Qt 5.9</td><td ><a href="qtcharts-index.html">Qt Charts</a></td><td ><a href="qt-charts-module.html">C++ Classes</a></td><td >QHXYModelMapper</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QHXYModelMapper Class</h1>
<!-- $$$QHXYModelMapper-brief -->
<p>The <a href="qhxymodelmapper.html">QHXYModelMapper</a> class is a horizontal model mapper for line, spline, and scatter series. <a href="#details">More...</a></p>
<!-- @@@QHXYModelMapper -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QHXYModelMapper&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiated By:</td><td class="memItemRight bottomAlign"> <a href="qml-qtcharts-hxymodelmapper.html">HXYModelMapper</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> QXYModelMapper</td></tr></table></div><ul>
<li><a href="qhxymodelmapper-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="properties"></a>
<h2 id="properties">Properties</h2>
<div class="table"><table class="propsummary">
<tr><td class="topAlign"><ul>
<li class="fn"><b><a href="qhxymodelmapper.html#columnCount-prop">columnCount</a></b> : int</li>
<li class="fn"><b><a href="qhxymodelmapper.html#firstColumn-prop">firstColumn</a></b> : int</li>
<li class="fn"><b><a href="qhxymodelmapper.html#model-prop">model</a></b> : QAbstractItemModel *</li>
</ul></td><td class="topAlign"><ul>
<li class="fn"><b><a href="qhxymodelmapper.html#series-prop">series</a></b> : QXYSeries *</li>
<li class="fn"><b><a href="qhxymodelmapper.html#xRow-prop">xRow</a></b> : int</li>
<li class="fn"><b><a href="qhxymodelmapper.html#yRow-prop">yRow</a></b> : int</li>
</ul>
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<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#QHXYModelMapper">QHXYModelMapper</a></b>(QObject *<i>parent</i> = Q_NULLPTR)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#columnCount-prop">columnCount</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#firstColumn-prop">firstColumn</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QAbstractItemModel *</td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#model-prop">model</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QXYSeries *</td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#series-prop">series</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#columnCount-prop">setColumnCount</a></b>(int <i>columnCount</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#firstColumn-prop">setFirstColumn</a></b>(int <i>firstColumn</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#model-prop">setModel</a></b>(QAbstractItemModel *<i>model</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#series-prop">setSeries</a></b>(QXYSeries *<i>series</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#xRow-prop">setXRow</a></b>(int <i>xRow</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#yRow-prop">setYRow</a></b>(int <i>yRow</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#xRow-prop">xRow</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#yRow-prop">yRow</a></b>() const</td></tr>
</table></div>
<a name="signals"></a>
<h2 id="signals">Signals</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#columnCountChanged">columnCountChanged</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#firstColumnChanged">firstColumnChanged</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#modelReplaced">modelReplaced</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#seriesReplaced">seriesReplaced</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#xRowChanged">xRowChanged</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhxymodelmapper.html#yRowChanged">yRowChanged</a></b>()</td></tr>
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<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">6 protected functions inherited from <a href="qxymodelmapper.html#protected-functions">QXYModelMapper</a></li>
</ul>
<a name="details"></a>
<!-- $$$QHXYModelMapper-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qhxymodelmapper.html">QHXYModelMapper</a> class is a horizontal model mapper for line, spline, and scatter series.</p>
<p>Model mappers enable using a data model derived from the QAbstractItemModel class as a data source for a chart. A horizontal model mapper is used to create a connection between a line, spline, or scatter series and the data model that holds the consecutive data point coordinates on rows.</p>
<p>Both model and series properties can be used to manipulate the data. The model mapper keeps the series and the data model in sync.</p>
</div>
<p><b>See also </b><a href="qvxymodelmapper.html">QVXYModelMapper</a> and <a href="qxyseries.html">QXYSeries</a>.</p>
<!-- @@@QHXYModelMapper -->
<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$columnCount-prop$$$columnCount$$$setColumnCountint$$$columnCountChanged -->
<h3 class="fn" id="columnCount-prop"><a name="columnCount-prop"></a><span class="name">columnCount</span> : <span class="type">int</span></h3>
<p>This property holds the number of columns of the model that are mapped as the data for series.</p>
<p>The minimum and default value is -1 (the number is limited by the number of columns in the model).</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>columnCount</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setColumnCount</b></span>(int <i>columnCount</i>)</td></tr>
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<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qhxymodelmapper.html#columnCountChanged">columnCountChanged</a></b></span>()</td></tr>
</table></div>
<!-- @@@columnCount -->
<!-- $$$firstColumn-prop$$$firstColumn$$$setFirstColumnint$$$firstColumnChanged -->
<h3 class="fn" id="firstColumn-prop"><a name="firstColumn-prop"></a><span class="name">firstColumn</span> : <span class="type">int</span></h3>
<p>This property holds the column of the model that contains the data for the first point of the series.</p>
<p>The minimum and default value is 0.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>firstColumn</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setFirstColumn</b></span>(int <i>firstColumn</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qhxymodelmapper.html#firstColumnChanged">firstColumnChanged</a></b></span>()</td></tr>
</table></div>
<!-- @@@firstColumn -->
<!-- $$$model-prop$$$model$$$setModelQAbstractItemModel*$$$modelReplaced -->
<h3 class="fn" id="model-prop"><a name="model-prop"></a><span class="name">model</span> : <span class="type">QAbstractItemModel</span> *</h3>
<p>This property holds the model that is used by the mapper.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QAbstractItemModel *</td><td class="memItemRight bottomAlign"><span class="name"><b>model</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setModel</b></span>(QAbstractItemModel *<i>model</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qhxymodelmapper.html#modelReplaced">modelReplaced</a></b></span>()</td></tr>
</table></div>
<!-- @@@model -->
<!-- $$$series-prop$$$series$$$setSeriesQXYSeries*$$$seriesReplaced -->
<h3 class="fn" id="series-prop"><a name="series-prop"></a><span class="name">series</span> : <span class="type"><a href="qxyseries.html">QXYSeries</a></span> *</h3>
<p>This property holds the series that is used by the mapper.</p>
<p>All the data in the series is discarded when it is set to the mapper. When a new series is specified, the old series is disconnected (but it preserves its data).</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QXYSeries *</td><td class="memItemRight bottomAlign"><span class="name"><b>series</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setSeries</b></span>(QXYSeries *<i>series</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qhxymodelmapper.html#seriesReplaced">seriesReplaced</a></b></span>()</td></tr>
</table></div>
<!-- @@@series -->
<!-- $$$xRow-prop$$$xRow$$$setXRowint$$$xRowChanged -->
<h3 class="fn" id="xRow-prop"><a name="xRow-prop"></a><span class="name">xRow</span> : <span class="type">int</span></h3>
<p>This property holds the row of the model that contains the x-coordinates of the data points.</p>
<p>The default value is -1 (invalid mapping).</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>xRow</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setXRow</b></span>(int <i>xRow</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qhxymodelmapper.html#xRowChanged">xRowChanged</a></b></span>()</td></tr>
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<!-- @@@xRow -->
<!-- $$$yRow-prop$$$yRow$$$setYRowint$$$yRowChanged -->
<h3 class="fn" id="yRow-prop"><a name="yRow-prop"></a><span class="name">yRow</span> : <span class="type">int</span></h3>
<p>This property holds the row of the model that contains the y-coordinates of the data points.</p>
<p>The default value is -1 (invalid mapping).</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>yRow</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setYRow</b></span>(int <i>yRow</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qhxymodelmapper.html#yRowChanged">yRowChanged</a></b></span>()</td></tr>
</table></div>
<!-- @@@yRow -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QHXYModelMapper[overload1]$$$QHXYModelMapperQObject* -->
<h3 class="fn" id="QHXYModelMapper"><a name="QHXYModelMapper"></a>QHXYModelMapper::<span class="name">QHXYModelMapper</span>(<span class="type">QObject</span> *<i>parent</i> = Q_NULLPTR)</h3>
<p>Constructs a mapper object that is a child of <i>parent</i>.</p>
<!-- @@@QHXYModelMapper -->
<!-- $$$columnCountChanged -->
<h3 class="fn" id="columnCountChanged"><a name="columnCountChanged"></a><code>[signal] </code><span class="type">void</span> QHXYModelMapper::<span class="name">columnCountChanged</span>()</h3>
<p>This signal is emitted when the number of columns changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhxymodelmapper.html#columnCount-prop">columnCount</a>. </p><!-- @@@columnCountChanged -->
<!-- $$$firstColumnChanged -->
<h3 class="fn" id="firstColumnChanged"><a name="firstColumnChanged"></a><code>[signal] </code><span class="type">void</span> QHXYModelMapper::<span class="name">firstColumnChanged</span>()</h3>
<p>This signal is emitted when the first column changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhxymodelmapper.html#firstColumn-prop">firstColumn</a>. </p><!-- @@@firstColumnChanged -->
<!-- $$$modelReplaced -->
<h3 class="fn" id="modelReplaced"><a name="modelReplaced"></a><code>[signal] </code><span class="type">void</span> QHXYModelMapper::<span class="name">modelReplaced</span>()</h3>
<p>This signal is emitted when the model that the mapper is connected to changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhxymodelmapper.html#model-prop">model</a>. </p><!-- @@@modelReplaced -->
<!-- $$$seriesReplaced -->
<h3 class="fn" id="seriesReplaced"><a name="seriesReplaced"></a><code>[signal] </code><span class="type">void</span> QHXYModelMapper::<span class="name">seriesReplaced</span>()</h3>
<p>This signal is emitted when the series that the mapper is connected to changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhxymodelmapper.html#series-prop">series</a>. </p><!-- @@@seriesReplaced -->
<!-- $$$xRowChanged -->
<h3 class="fn" id="xRowChanged"><a name="xRowChanged"></a><code>[signal] </code><span class="type">void</span> QHXYModelMapper::<span class="name">xRowChanged</span>()</h3>
<p>This signal is emitted when the row that contains the x-coordinates of data points changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhxymodelmapper.html#xRow-prop">xRow</a>. </p><!-- @@@xRowChanged -->
<!-- $$$yRowChanged -->
<h3 class="fn" id="yRowChanged"><a name="yRowChanged"></a><code>[signal] </code><span class="type">void</span> QHXYModelMapper::<span class="name">yRowChanged</span>()</h3>
<p>This signal is emitted when the row that contains the y-coordinates of data points changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhxymodelmapper.html#yRow-prop">yRow</a>. </p><!-- @@@yRowChanged -->
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