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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 >QHPieModelMapper</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">QHPieModelMapper Class</h1>
<!-- $$$QHPieModelMapper-brief -->
<p>The <a href="qhpiemodelmapper.html">QHPieModelMapper</a> is a horizontal model mapper for pie series. <a href="#details">More...</a></p>
<!-- @@@QHPieModelMapper -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QHPieModelMapper&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiated By:</td><td class="memItemRight bottomAlign"> <a href="qml-qtcharts-hpiemodelmapper.html">HPieModelMapper</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> QPieModelMapper</td></tr></table></div><ul>
<li><a href="qhpiemodelmapper-members.html">List of all members, including inherited members</a></li>
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<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="qhpiemodelmapper.html#columnCount-prop">columnCount</a></b> : int</li>
<li class="fn"><b><a href="qhpiemodelmapper.html#firstColumn-prop">firstColumn</a></b> : int</li>
<li class="fn"><b><a href="qhpiemodelmapper.html#labelsRow-prop">labelsRow</a></b> : int</li>
</ul></td><td class="topAlign"><ul>
<li class="fn"><b><a href="qhpiemodelmapper.html#model-prop">model</a></b> : QAbstractItemModel *</li>
<li class="fn"><b><a href="qhpiemodelmapper.html#series-prop">series</a></b> : QPieSeries *</li>
<li class="fn"><b><a href="qhpiemodelmapper.html#valuesRow-prop">valuesRow</a></b> : int</li>
</ul>
</td></tr>
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<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#QHPieModelMapper">QHPieModelMapper</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="qhpiemodelmapper.html#columnCount-prop">columnCount</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#firstColumn-prop">firstColumn</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#labelsRow">labelsRow</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QAbstractItemModel *</td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#model-prop">model</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPieSeries *</td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#series-prop">series</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.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="qhpiemodelmapper.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="qhpiemodelmapper.html#setLabelsRow">setLabelsRow</a></b>(int <i>labelsRow</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.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="qhpiemodelmapper.html#series-prop">setSeries</a></b>(QPieSeries *<i>series</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#setValuesRow">setValuesRow</a></b>(int <i>valuesRow</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#valuesRow">valuesRow</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="qhpiemodelmapper.html#columnCountChanged">columnCountChanged</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#firstColumnChanged">firstColumnChanged</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#labelsRowChanged">labelsRowChanged</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#modelReplaced">modelReplaced</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#seriesReplaced">seriesReplaced</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qhpiemodelmapper.html#valuesRowChanged">valuesRowChanged</a></b>()</td></tr>
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<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">14 protected functions inherited from <a href="qpiemodelmapper.html#protected-functions">QPieModelMapper</a></li>
</ul>
<a name="details"></a>
<!-- $$$QHPieModelMapper-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qhpiemodelmapper.html">QHPieModelMapper</a> is a horizontal model mapper for pie 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 data model and <a href="qpieseries.html">QPieSeries</a>, so that each column in the data model defines a pie slice and each row maps to the label or the value of the pie slice.</p>
<p>Both model and pie series properties can be used to manipulate the data. The model mapper keeps the pie series and the data model in sync.</p>
</div>
<!-- @@@QHPieModelMapper -->
<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 the pie series.</p>
<p>The minimum and default value is -1 (number limited to 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>
</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="qhpiemodelmapper.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 first slice value.</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="qhpiemodelmapper.html#firstColumnChanged">firstColumnChanged</a></b></span>()</td></tr>
</table></div>
<!-- @@@firstColumn -->
<!-- $$$labelsRow-prop$$$labelsRow$$$setLabelsRowint$$$labelsRowChanged -->
<h3 class="fn" id="labelsRow-prop"><a name="labelsRow-prop"></a><span class="name">labelsRow</span> : <span class="type">int</span></h3>
<p>This property holds the row of the model that is kept in sync with the labels of the pie's slices.</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><a href="qhpiemodelmapper.html#labelsRow">labelsRow</a></b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qhpiemodelmapper.html#setLabelsRow">setLabelsRow</a></b></span>(int <i>labelsRow</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="qhpiemodelmapper.html#labelsRowChanged">labelsRowChanged</a></b></span>()</td></tr>
</table></div>
<!-- @@@labelsRow -->
<!-- $$$model-prop$$$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="qhpiemodelmapper.html#modelReplaced">modelReplaced</a></b></span>()</td></tr>
</table></div>
<!-- @@@model -->
<!-- $$$series-prop$$$series$$$setSeriesQPieSeries*$$$seriesReplaced -->
<h3 class="fn" id="series-prop"><a name="series-prop"></a><span class="name">series</span> : <span class="type"><a href="qpieseries.html">QPieSeries</a></span> *</h3>
<p>This property holds the pie 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"> QPieSeries *</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>(QPieSeries *<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="qhpiemodelmapper.html#seriesReplaced">seriesReplaced</a></b></span>()</td></tr>
</table></div>
<!-- @@@series -->
<!-- $$$valuesRow-prop$$$valuesRow$$$setValuesRowint$$$valuesRowChanged -->
<h3 class="fn" id="valuesRow-prop"><a name="valuesRow-prop"></a><span class="name">valuesRow</span> : <span class="type">int</span></h3>
<p>This property holds the row of the model that is kept in sync with the values of the pie's slices.</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><a href="qhpiemodelmapper.html#valuesRow">valuesRow</a></b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qhpiemodelmapper.html#setValuesRow">setValuesRow</a></b></span>(int <i>valuesRow</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="qhpiemodelmapper.html#valuesRowChanged">valuesRowChanged</a></b></span>()</td></tr>
</table></div>
<!-- @@@valuesRow -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QHPieModelMapper[overload1]$$$QHPieModelMapperQObject* -->
<h3 class="fn" id="QHPieModelMapper"><a name="QHPieModelMapper"></a>QHPieModelMapper::<span class="name">QHPieModelMapper</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>
<!-- @@@QHPieModelMapper -->
<!-- $$$columnCountChanged -->
<h3 class="fn" id="columnCountChanged"><a name="columnCountChanged"></a><code>[signal] </code><span class="type">void</span> QHPieModelMapper::<span class="name">columnCountChanged</span>()</h3>
<p>This signal is emitted when the number of columns changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhpiemodelmapper.html#columnCount-prop">columnCount</a>. </p><!-- @@@columnCountChanged -->
<!-- $$$firstColumnChanged -->
<h3 class="fn" id="firstColumnChanged"><a name="firstColumnChanged"></a><code>[signal] </code><span class="type">void</span> QHPieModelMapper::<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="qhpiemodelmapper.html#firstColumn-prop">firstColumn</a>. </p><!-- @@@firstColumnChanged -->
<!-- $$$labelsRow -->
<h3 class="fn" id="labelsRow"><a name="labelsRow"></a><span class="type">int</span> QHPieModelMapper::<span class="name">labelsRow</span>() const</h3>
<p>Returns the row of the model that is kept in sync with the labels of the pie's slices.</p>
<p><b>Note:</b> Getter function for property <a href="qhpiemodelmapper.html#labelsRow-prop">labelsRow</a>. </p><p><b>See also </b><a href="qhpiemodelmapper.html#setLabelsRow">setLabelsRow</a>().</p>
<!-- @@@labelsRow -->
<!-- $$$labelsRowChanged -->
<h3 class="fn" id="labelsRowChanged"><a name="labelsRowChanged"></a><code>[signal] </code><span class="type">void</span> QHPieModelMapper::<span class="name">labelsRowChanged</span>()</h3>
<p>This signal is emitted when the labels row changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhpiemodelmapper.html#labelsRow-prop">labelsRow</a>. </p><!-- @@@labelsRowChanged -->
<!-- $$$modelReplaced -->
<h3 class="fn" id="modelReplaced"><a name="modelReplaced"></a><code>[signal] </code><span class="type">void</span> QHPieModelMapper::<span class="name">modelReplaced</span>()</h3>
<p>This signal is emitted when the model that the mapper is connected to changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhpiemodelmapper.html#model-prop">model</a>. </p><!-- @@@modelReplaced -->
<!-- $$$seriesReplaced -->
<h3 class="fn" id="seriesReplaced"><a name="seriesReplaced"></a><code>[signal] </code><span class="type">void</span> QHPieModelMapper::<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="qhpiemodelmapper.html#series-prop">series</a>. </p><!-- @@@seriesReplaced -->
<!-- $$$setLabelsRow -->
<h3 class="fn" id="setLabelsRow"><a name="setLabelsRow"></a><span class="type">void</span> QHPieModelMapper::<span class="name">setLabelsRow</span>(<span class="type">int</span> <i>labelsRow</i>)</h3>
<p>Sets the model row that is kept in sync with the pie slices' labels to <i>labelsRow</i>.</p>
<p><b>Note:</b> Setter function for property <a href="qhpiemodelmapper.html#labelsRow-prop">labelsRow</a>. </p><p><b>See also </b><a href="qhpiemodelmapper.html#labelsRow">labelsRow</a>().</p>
<!-- @@@setLabelsRow -->
<!-- $$$setValuesRow -->
<h3 class="fn" id="setValuesRow"><a name="setValuesRow"></a><span class="type">void</span> QHPieModelMapper::<span class="name">setValuesRow</span>(<span class="type">int</span> <i>valuesRow</i>)</h3>
<p>Sets the model row that is kept in sync with the pie slices' values to <i>valuesRow</i>.</p>
<p><b>Note:</b> Setter function for property <a href="qhpiemodelmapper.html#valuesRow-prop">valuesRow</a>. </p><p><b>See also </b><a href="qhpiemodelmapper.html#valuesRow">valuesRow</a>().</p>
<!-- @@@setValuesRow -->
<!-- $$$valuesRow -->
<h3 class="fn" id="valuesRow"><a name="valuesRow"></a><span class="type">int</span> QHPieModelMapper::<span class="name">valuesRow</span>() const</h3>
<p>Returns the row of the model that is kept in sync with the values of the pie's slices.</p>
<p><b>Note:</b> Getter function for property <a href="qhpiemodelmapper.html#valuesRow-prop">valuesRow</a>. </p><p><b>See also </b><a href="qhpiemodelmapper.html#setValuesRow">setValuesRow</a>().</p>
<!-- @@@valuesRow -->
<!-- $$$valuesRowChanged -->
<h3 class="fn" id="valuesRowChanged"><a name="valuesRowChanged"></a><code>[signal] </code><span class="type">void</span> QHPieModelMapper::<span class="name">valuesRowChanged</span>()</h3>
<p>This signal is emitted when the values row changes.</p>
<p><b>Note:</b> Notifier signal for property <a href="qhpiemodelmapper.html#valuesRow-prop">valuesRow</a>. </p><!-- @@@valuesRowChanged -->
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