<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qbarcategoryaxis.cpp --> <title>QBarCategoryAxis Class | Qt Charts 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtcharts-index.html">Qt Charts</a></td><td ><a href="qtcharts-module.html">C++ Classes</a></td><td >QBarCategoryAxis</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtcharts-index.html">Qt Charts | Commercial or GPLv3</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <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="#reimplemented-public-functions">Reimplemented Public Functions</a></li> <li class="level1"><a href="#signals">Signals</a></li> <li class="level1"><a href="#static-public-members">Static Public Members</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QBarCategoryAxis Class</h1> <!-- $$$QBarCategoryAxis-brief --> <p>The <a href="qbarcategoryaxis.html">QBarCategoryAxis</a> class adds categories to a chart's axes. <a href="#details">More...</a></p> <!-- @@@QBarCategoryAxis --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QBarCategoryAxis></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiated By:</td><td class="memItemRight bottomAlign"> <a href="qml-qtcharts-barcategoryaxis.html">BarCategoryAxis</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qabstractaxis.html">QAbstractAxis</a></td></tr></table></div><ul> <li><a href="qbarcategoryaxis-members.html">List of all members, including inherited members</a></li> </ul> <a name="properties"></a> <h2 id="properties">Properties</h2> <ul> <li class="fn"><b><a href="qbarcategoryaxis.html#categories-prop">categories</a></b> : QStringList</li> <li class="fn"><b><a href="qbarcategoryaxis.html#count-prop">count</a></b> : const int</li> <li class="fn"><b><a href="qbarcategoryaxis.html#max-prop">max</a></b> : QString</li> <li class="fn"><b><a href="qbarcategoryaxis.html#min-prop">min</a></b> : QString</li> </ul> <ul> <li class="fn">27 properties inherited from <a href="qabstractaxis.html#properties">QAbstractAxis</a></li> </ul> <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="qbarcategoryaxis.html#QBarCategoryAxis">QBarCategoryAxis</a></b>(QObject *<i>parent</i> = nullptr)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#dtor.QBarCategoryAxis">~QBarCategoryAxis</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#append">append</a></b>(const QStringList &<i>categories</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#append-1">append</a></b>(const QString &<i>category</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#at">at</a></b>(int <i>index</i>) const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QStringList </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#categories">categories</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#clear">clear</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#count">count</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#insert">insert</a></b>(int <i>index</i>, const QString &<i>category</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#max">max</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#min">min</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#remove">remove</a></b>(const QString &<i>category</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#replace">replace</a></b>(const QString &<i>oldCategory</i>, const QString &<i>newCategory</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#setCategories">setCategories</a></b>(const QStringList &<i>categories</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#setMax">setMax</a></b>(const QString &<i>max</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#setMin">setMin</a></b>(const QString &<i>min</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#setRange">setRange</a></b>(const QString &<i>minCategory</i>, const QString &<i>maxCategory</i>)</td></tr> </table></div> <a name="reimplemented-public-functions"></a> <h2 id="reimplemented-public-functions">Reimplemented Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual QAbstractAxis::AxisType </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#type">type</a></b>() const</td></tr> </table></div> <ul> <li class="fn">58 public functions inherited from <a href="qabstractaxis.html#public-functions">QAbstractAxis</a></li> </ul> <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="qbarcategoryaxis.html#categoriesChanged">categoriesChanged</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#countChanged">countChanged</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#maxChanged">maxChanged</a></b>(const QString &<i>max</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#minChanged">minChanged</a></b>(const QString &<i>min</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#rangeChanged">rangeChanged</a></b>(const QString &<i>min</i>, const QString &<i>max</i>)</td></tr> </table></div> <ul> <li class="fn">25 signals inherited from <a href="qabstractaxis.html#signals">QAbstractAxis</a></li> </ul> <a name="static-public-members"></a> <h2 id="static-public-members">Static Public Members</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qbarcategoryaxis.html#staticMetaObject-var">staticMetaObject</a></b></td></tr> </table></div> <a name="details"></a> <!-- $$$QBarCategoryAxis-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qbarcategoryaxis.html">QBarCategoryAxis</a> class adds categories to a chart's axes.</p> <p><a href="qbarcategoryaxis.html">QBarCategoryAxis</a> can be set up to show an axis line with tick marks, grid lines, and shades. Categories are drawn between the ticks. It can be used also with a line series, as demonstrated by the <a href="qtcharts-lineandbar-example.html">Line and BarChart Example</a>.</p> <p>The following code illustrates how to use <a href="qbarcategoryaxis.html">QBarCategoryAxis</a>:</p> <pre class="cpp"> <span class="type"><a href="qchartview.html">QChartView</a></span> <span class="operator">*</span>chartView <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qchartview.html">QChartView</a></span>; <span class="type"><a href="qbarseries.html">QBarSeries</a></span> <span class="operator">*</span>series <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qbarseries.html">QBarSeries</a></span>; <span class="comment">// ...</span> chartView<span class="operator">-</span><span class="operator">></span>chart()<span class="operator">-</span><span class="operator">></span>addSeries(series); chartView<span class="operator">-</span><span class="operator">></span>chart()<span class="operator">-</span><span class="operator">></span>createDefaultAxes(); <span class="type"><a href="qbarcategoryaxis.html#QBarCategoryAxis">QBarCategoryAxis</a></span> <span class="operator">*</span>axisX <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qbarcategoryaxis.html#QBarCategoryAxis">QBarCategoryAxis</a></span>; <span class="type">QStringList</span> categories; categories <span class="operator"><</span><span class="operator"><</span> <span class="string">"Jan"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"Feb"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"Mar"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"Apr"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"May"</span> <span class="operator"><</span><span class="operator"><</span> <span class="string">"Jun"</span>; axisX<span class="operator">-</span><span class="operator">></span>append(categories); axisX<span class="operator">-</span><span class="operator">></span>setRange(<span class="string">"Feb"</span><span class="operator">,</span> <span class="string">"May"</span>); chartView<span class="operator">-</span><span class="operator">></span>chart()<span class="operator">-</span><span class="operator">></span>setAxisX(axisX<span class="operator">,</span> series); </pre> </div> <!-- @@@QBarCategoryAxis --> <div class="prop"> <h2>Property Documentation</h2> <!-- $$$categories-prop$$$categories$$$setCategoriesconstQStringList&$$$categoriesChanged --> <h3 class="fn" id="categories-prop"><a name="categories-prop"></a><span class="name">categories</span> : <span class="type">QStringList</span></h3> <p>This property holds the categories of an axis.</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> QStringList </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#categories">categories</a></b></span>()</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#setCategories">setCategories</a></b></span>(const QStringList &<i>categories</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="qbarcategoryaxis.html#categoriesChanged">categoriesChanged</a></b></span>()</td></tr> </table></div> <!-- @@@categories --> <!-- $$$count-prop$$$count$$$countChanged --> <h3 class="fn" id="count-prop"><a name="count-prop"></a><span class="name">count</span> : const <span class="type">int</span></h3> <p>This property holds the number of categories of an axis.</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#count">count</a></b></span>() const</td></tr> </table></div> <p><b>Notifier signal:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#countChanged">countChanged</a></b></span>()</td></tr> </table></div> <!-- @@@count --> <!-- $$$max-prop$$$max$$$setMaxconstQString&$$$maxChangedconstQString& --> <h3 class="fn" id="max-prop"><a name="max-prop"></a><span class="name">max</span> : <span class="type">QString</span></h3> <p>This property holds the maximum value on the axis.</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> QString </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#max">max</a></b></span>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#setMax">setMax</a></b></span>(const QString &<i>max</i>)</td></tr> </table></div> <p><b>Notifier signal:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#maxChanged">maxChanged</a></b></span>(const QString &<i>max</i>)</td></tr> </table></div> <!-- @@@max --> <!-- $$$min-prop$$$min$$$setMinconstQString&$$$minChangedconstQString& --> <h3 class="fn" id="min-prop"><a name="min-prop"></a><span class="name">min</span> : <span class="type">QString</span></h3> <p>This property holds the minimum value on the axis.</p> <p><b>Access functions:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> QString </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#min">min</a></b></span>() const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#setMin">setMin</a></b></span>(const QString &<i>min</i>)</td></tr> </table></div> <p><b>Notifier signal:</b></p> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qbarcategoryaxis.html#minChanged">minChanged</a></b></span>(const QString &<i>min</i>)</td></tr> </table></div> <!-- @@@min --> </div> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QBarCategoryAxis[overload1]$$$QBarCategoryAxisQObject* --> <h3 class="fn" id="QBarCategoryAxis"><a name="QBarCategoryAxis"></a>QBarCategoryAxis::<span class="name">QBarCategoryAxis</span>(<span class="type">QObject</span> *<i>parent</i> = nullptr)</h3> <p>Constructs an axis object that is the child of <i>parent</i>.</p> <!-- @@@QBarCategoryAxis --> <!-- $$$~QBarCategoryAxis[overload1]$$$~QBarCategoryAxis --> <h3 class="fn" id="dtor.QBarCategoryAxis"><a name="dtor.QBarCategoryAxis"></a><code>[virtual] </code>QBarCategoryAxis::<span class="name">~QBarCategoryAxis</span>()</h3> <p>Destroys the axis object.</p> <!-- @@@~QBarCategoryAxis --> <!-- $$$append[overload1]$$$appendconstQStringList& --> <h3 class="fn" id="append"><a name="append"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">append</span>(const <span class="type">QStringList</span> &<i>categories</i>)</h3> <p>Appends <i>categories</i> to an axis. The maximum value on the axis will be changed to match the last category in <i>categories</i>. If no categories were previously defined, the minimum value on the axis will also be changed to match the first category in <i>categories</i>.</p> <p>A category has to be a valid QString and it cannot be duplicated. Duplicated categories will not be appended.</p> <!-- @@@append --> <!-- $$$append$$$appendconstQString& --> <h3 class="fn" id="append-1"><a name="append-1"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">append</span>(const <span class="type">QString</span> &<i>category</i>)</h3> <p>Appends <i>category</i> to an axis. The maximum value on the axis will be changed to match the last <i>category</i>. If no categories were previously defined, the minimum value on the axis will also be changed to match <i>category</i>.</p> <p>A category has to be a valid QString and it cannot be duplicated. Duplicated categories will not be appended.</p> <!-- @@@append --> <!-- $$$at[overload1]$$$atint --> <h3 class="fn" id="at"><a name="at"></a><span class="type">QString</span> QBarCategoryAxis::<span class="name">at</span>(<span class="type">int</span> <i>index</i>) const</h3> <p>Returns the category at <i>index</i>. The index must be valid.</p> <!-- @@@at --> <!-- $$$categories --> <h3 class="fn" id="categories"><a name="categories"></a><span class="type">QStringList</span> QBarCategoryAxis::<span class="name">categories</span>()</h3> <p>Returns categories.</p> <p><b>Note:</b> Getter function for property <a href="qbarcategoryaxis.html#categories-prop">categories</a>. </p><p><b>See also </b><a href="qbarcategoryaxis.html#setCategories">setCategories</a>().</p> <!-- @@@categories --> <!-- $$$categoriesChanged --> <h3 class="fn" id="categoriesChanged"><a name="categoriesChanged"></a><code>[signal] </code><span class="type">void</span> QBarCategoryAxis::<span class="name">categoriesChanged</span>()</h3> <p>This signal is emitted when the categories of the axis change.</p> <p><b>Note:</b> Notifier signal for property <a href="qbarcategoryaxis.html#categories-prop">categories</a>. </p><!-- @@@categoriesChanged --> <!-- $$$clear[overload1]$$$clear --> <h3 class="fn" id="clear"><a name="clear"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">clear</span>()</h3> <p>Removes all categories. Sets the maximum and minimum values of the axis range to QString::null.</p> <p><b>Note: </b>This function can be invoked via the meta-object system and from QML. See Q_INVOKABLE.</p> <!-- @@@clear --> <!-- $$$count --> <h3 class="fn" id="count"><a name="count"></a><span class="type">int</span> QBarCategoryAxis::<span class="name">count</span>() const</h3> <p>Returns the number of categories.</p> <p><b>Note:</b> Getter function for property <a href="qbarcategoryaxis.html#count-prop">count</a>. </p><!-- @@@count --> <!-- $$$countChanged --> <h3 class="fn" id="countChanged"><a name="countChanged"></a><code>[signal] </code><span class="type">void</span> QBarCategoryAxis::<span class="name">countChanged</span>()</h3> <p>This signal is emitted when the number of categories of an axis changes.</p> <p><b>Note:</b> Notifier signal for property <a href="qbarcategoryaxis.html#count-prop">count</a>. </p><!-- @@@countChanged --> <!-- $$$insert[overload1]$$$insertintconstQString& --> <h3 class="fn" id="insert"><a name="insert"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">insert</span>(<span class="type">int</span> <i>index</i>, const <span class="type">QString</span> &<i>category</i>)</h3> <p>Inserts <i>category</i> to the axis at <i>index</i>. <i>category</i> has to be a valid QString and it cannot be duplicated. If <i>category</i> is prepended or appended to other categories, the minimum and maximum values on the axis are updated accordingly.</p> <!-- @@@insert --> <!-- $$$max --> <h3 class="fn" id="max"><a name="max"></a><span class="type">QString</span> QBarCategoryAxis::<span class="name">max</span>() const</h3> <p>Returns the maximum category.</p> <p><b>Note:</b> Getter function for property <a href="qbarcategoryaxis.html#max-prop">max</a>. </p><p><b>See also </b><a href="qbarcategoryaxis.html#setMax">setMax</a>().</p> <!-- @@@max --> <!-- $$$maxChanged --> <h3 class="fn" id="maxChanged"><a name="maxChanged"></a><code>[signal] </code><span class="type">void</span> QBarCategoryAxis::<span class="name">maxChanged</span>(const <span class="type">QString</span> &<i>max</i>)</h3> <p>This signal is emitted when the <i>max</i> value of the axis changes.</p> <p><b>Note:</b> Notifier signal for property <a href="qbarcategoryaxis.html#max-prop">max</a>. </p><!-- @@@maxChanged --> <!-- $$$min --> <h3 class="fn" id="min"><a name="min"></a><span class="type">QString</span> QBarCategoryAxis::<span class="name">min</span>() const</h3> <p>Returns the minimum category.</p> <p><b>Note:</b> Getter function for property <a href="qbarcategoryaxis.html#min-prop">min</a>. </p><p><b>See also </b><a href="qbarcategoryaxis.html#setMin">setMin</a>().</p> <!-- @@@min --> <!-- $$$minChanged --> <h3 class="fn" id="minChanged"><a name="minChanged"></a><code>[signal] </code><span class="type">void</span> QBarCategoryAxis::<span class="name">minChanged</span>(const <span class="type">QString</span> &<i>min</i>)</h3> <p>This signal is emitted when the <i>min</i> value of the axis changes.</p> <p><b>Note:</b> Notifier signal for property <a href="qbarcategoryaxis.html#min-prop">min</a>. </p><!-- @@@minChanged --> <!-- $$$rangeChanged[overload1]$$$rangeChangedconstQString&constQString& --> <h3 class="fn" id="rangeChanged"><a name="rangeChanged"></a><code>[signal] </code><span class="type">void</span> QBarCategoryAxis::<span class="name">rangeChanged</span>(const <span class="type">QString</span> &<i>min</i>, const <span class="type">QString</span> &<i>max</i>)</h3> <p>This signal is emitted when <i>min</i> or <i>max</i> value of the axis changes.</p> <!-- @@@rangeChanged --> <!-- $$$remove[overload1]$$$removeconstQString& --> <h3 class="fn" id="remove"><a name="remove"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">remove</span>(const <span class="type">QString</span> &<i>category</i>)</h3> <p>Removes <i>category</i> from the axis. Removing a category that currently sets the maximum or minimum value on the axis will affect the axis range.</p> <!-- @@@remove --> <!-- $$$replace[overload1]$$$replaceconstQString&constQString& --> <h3 class="fn" id="replace"><a name="replace"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">replace</span>(const <span class="type">QString</span> &<i>oldCategory</i>, const <span class="type">QString</span> &<i>newCategory</i>)</h3> <p>Replaces <i>oldCategory</i> with <i>newCategory</i>. If <i>oldCategory</i> does not exist on the axis, nothing is done. <i>newCategory</i> has to be a valid QString and it cannot be duplicated. If the minimum or maximum category is replaced, the minimum and maximum values on the axis are updated accordingly.</p> <!-- @@@replace --> <!-- $$$setCategories --> <h3 class="fn" id="setCategories"><a name="setCategories"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">setCategories</span>(const <span class="type">QStringList</span> &<i>categories</i>)</h3> <p>Sets <i>categories</i> and discards the old ones. The axis range is adjusted to match the first and last category in <i>categories</i>.</p> <p>A category has to be a valid QString and it cannot be duplicated.</p> <p><b>Note:</b> Setter function for property <a href="qbarcategoryaxis.html#categories-prop">categories</a>. </p><p><b>See also </b><a href="qbarcategoryaxis.html#categories">categories</a>().</p> <!-- @@@setCategories --> <!-- $$$setMax --> <h3 class="fn" id="setMax"><a name="setMax"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">setMax</span>(const <span class="type">QString</span> &<i>max</i>)</h3> <p>Sets the maximum category to <i>max</i>.</p> <p><b>Note:</b> Setter function for property <a href="qbarcategoryaxis.html#max-prop">max</a>. </p><p><b>See also </b><a href="qbarcategoryaxis.html#max">max</a>().</p> <!-- @@@setMax --> <!-- $$$setMin --> <h3 class="fn" id="setMin"><a name="setMin"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">setMin</span>(const <span class="type">QString</span> &<i>min</i>)</h3> <p>Sets the minimum category to <i>min</i>.</p> <p><b>Note:</b> Setter function for property <a href="qbarcategoryaxis.html#min-prop">min</a>. </p><p><b>See also </b><a href="qbarcategoryaxis.html#min">min</a>().</p> <!-- @@@setMin --> <!-- $$$setRange[overload1]$$$setRangeconstQString&constQString& --> <h3 class="fn" id="setRange"><a name="setRange"></a><span class="type">void</span> QBarCategoryAxis::<span class="name">setRange</span>(const <span class="type">QString</span> &<i>minCategory</i>, const <span class="type">QString</span> &<i>maxCategory</i>)</h3> <p>Sets the axis range from <i>minCategory</i> to <i>maxCategory</i>.</p> <!-- @@@setRange --> <!-- $$$type[overload1]$$$type --> <h3 class="fn" id="type"><a name="type"></a><code>[virtual] </code><span class="type"><a href="qabstractaxis.html#AxisType-enum">QAbstractAxis::AxisType</a></span> QBarCategoryAxis::<span class="name">type</span>() const</h3> <p>Reimplemented from <a href="qabstractaxis.html#type">QAbstractAxis::type</a>().</p> <p>Returns the type of the axis.</p> <!-- @@@type --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>