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<td >Qt 5.12</td><td ><a href="qtgui-index.html">Qt GUI</a></td><td ><a href="qtgui-module.html">C++ Classes</a></td><td >QAccessibleEvent</td></tr></table><table class="buildversion"><tr>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#protected-variables">Protected Variables</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QAccessibleEvent Class</h1>
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<p>The <a href="qaccessibleevent.html">QAccessibleEvent</a> class is the base class for accessibility notifications. <a href="#details">More...</a></p>
<!-- @@@QAccessibleEvent -->
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QAccessibleEvent&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += gui</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherited By:</td><td class="memItemRight bottomAlign"> <p><a href="qaccessiblestatechangeevent.html">QAccessibleStateChangeEvent</a>, <a href="qaccessibletablemodelchangeevent.html">QAccessibleTableModelChangeEvent</a>, <a href="qaccessibletextcursorevent.html">QAccessibleTextCursorEvent</a>, and <a href="qaccessiblevaluechangeevent.html">QAccessibleValueChangeEvent</a></p>
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<li><a href="qaccessibleevent-members.html">List of all members, including inherited members</a></li>
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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="qaccessibleevent.html#QAccessibleEvent">QAccessibleEvent</a></b>(QObject *<i>object</i>, QAccessible::Event <i>type</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#QAccessibleEvent-2">QAccessibleEvent</a></b>(QAccessibleInterface *<i>interface</i>, QAccessible::Event <i>type</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#dtor.QAccessibleEvent">~QAccessibleEvent</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QAccessibleInterface *</td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#accessibleInterface">accessibleInterface</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#child">child</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QObject *</td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#object">object</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#setChild">setChild</a></b>(int <i>child</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QAccessible::Event </td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#type">type</a></b>() const</td></tr>
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<a name="protected-variables"></a>
<h2 id="protected-variables">Protected Variables</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> QObject *</td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#m_object-var">m_object</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QAccessible::Event </td><td class="memItemRight bottomAlign"><b><a href="qaccessibleevent.html#m_type-var">m_type</a></b></td></tr>
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<a name="details"></a>
<!-- $$$QAccessibleEvent-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qaccessibleevent.html">QAccessibleEvent</a> class is the base class for accessibility notifications.</p>
<p>This class is used with <a href="qaccessible.html#updateAccessibility">QAccessible::updateAccessibility</a>().</p>
<p>The event type is one of the values of <a href="qaccessible.html#Event-enum">QAccessible::Event</a>. There are a number of subclasses that should be used to provide more details about the event.</p>
<p>For example to notify about a focus change when re-implementing <a href="../qtwidgets/qwidget.html#setFocus-1">QWidget::setFocus</a>, the event could be used as follows:</p>
<pre class="cpp">

  <span class="type">void</span> MyWidget<span class="operator">::</span>setFocus(<span class="type">Qt</span><span class="operator">::</span>FocusReason reason)
  {
      <span class="comment">// handle custom focus setting...</span>
      <span class="type"><a href="qaccessibleevent.html#QAccessibleEvent">QAccessibleEvent</a></span> event(f<span class="operator">,</span> <span class="type"><a href="qaccessible.html">QAccessible</a></span><span class="operator">::</span>Focus);
      <span class="type"><a href="qaccessible.html">QAccessible</a></span><span class="operator">::</span>updateAccessibility(<span class="operator">&amp;</span>event);
  }

</pre>
<p>To enable in process screen readers, all events must be sent after the change has happened.</p>
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<h2>Member Function Documentation</h2>
<!-- $$$QAccessibleEvent[overload1]$$$QAccessibleEventQObject*QAccessible::Event -->
<h3 class="fn" id="QAccessibleEvent"><a name="QAccessibleEvent"></a>QAccessibleEvent::<span class="name">QAccessibleEvent</span>(<span class="type"><a href="../qtcore/qobject.html">QObject</a></span> *<i>object</i>, <span class="type"><a href="qaccessible.html#Event-enum">QAccessible::Event</a></span> <i>type</i>)</h3>
<p>Constructs a <a href="qaccessibleevent.html">QAccessibleEvent</a> to notify that <i>object</i> has changed. The event <i>type</i> describes what changed.</p>
<!-- @@@QAccessibleEvent -->
<!-- $$$QAccessibleEvent$$$QAccessibleEventQAccessibleInterface*QAccessible::Event -->
<h3 class="fn" id="QAccessibleEvent-2"><a name="QAccessibleEvent-2"></a>QAccessibleEvent::<span class="name">QAccessibleEvent</span>(<span class="type"><a href="qaccessibleinterface.html">QAccessibleInterface</a></span> *<i>interface</i>, <span class="type"><a href="qaccessible.html#Event-enum">QAccessible::Event</a></span> <i>type</i>)</h3>
<p>Constructs a <a href="qaccessibleevent.html">QAccessibleEvent</a> to notify that <i>interface</i> has changed. The event <i>type</i> describes what changed. Use this function if you already have a <a href="qaccessibleinterface.html">QAccessibleInterface</a> or no <a href="../qtcore/qobject.html">QObject</a>, otherwise consider the overload taking a <a href="../qtcore/qobject.html">QObject</a> parameter as it might be cheaper.</p>
<!-- @@@QAccessibleEvent -->
<!-- $$$~QAccessibleEvent[overload1]$$$~QAccessibleEvent -->
<h3 class="fn" id="dtor.QAccessibleEvent"><a name="dtor.QAccessibleEvent"></a><code>[virtual] </code>QAccessibleEvent::<span class="name">~QAccessibleEvent</span>()</h3>
<p>Destroys the event.</p>
<!-- @@@~QAccessibleEvent -->
<!-- $$$accessibleInterface[overload1]$$$accessibleInterface -->
<h3 class="fn" id="accessibleInterface"><a name="accessibleInterface"></a><code>[virtual] </code><span class="type"><a href="qaccessibleinterface.html">QAccessibleInterface</a></span> *QAccessibleEvent::<span class="name">accessibleInterface</span>() const</h3>
<p>Returns the <a href="qaccessibleinterface.html">QAccessibleInterface</a> associated with the event.</p>
<!-- @@@accessibleInterface -->
<!-- $$$child[overload1]$$$child -->
<h3 class="fn" id="child"><a name="child"></a><span class="type">int</span> QAccessibleEvent::<span class="name">child</span>() const</h3>
<p>Returns the child index.</p>
<p><b>See also </b><a href="qaccessibleevent.html#setChild">setChild</a>().</p>
<!-- @@@child -->
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<h3 class="fn" id="object"><a name="object"></a><span class="type"><a href="../qtcore/qobject.html">QObject</a></span> *QAccessibleEvent::<span class="name">object</span>() const</h3>
<p>Returns the event object.</p>
<!-- @@@object -->
<!-- $$$setChild[overload1]$$$setChildint -->
<h3 class="fn" id="setChild"><a name="setChild"></a><span class="type">void</span> QAccessibleEvent::<span class="name">setChild</span>(<span class="type">int</span> <i>child</i>)</h3>
<p>Sets the child index to <i>child</i>.</p>
<p><b>See also </b><a href="qaccessibleevent.html#child">child</a>().</p>
<!-- @@@setChild -->
<!-- $$$type[overload1]$$$type -->
<h3 class="fn" id="type"><a name="type"></a><span class="type"><a href="qaccessible.html#Event-enum">QAccessible::Event</a></span> QAccessibleEvent::<span class="name">type</span>() const</h3>
<p>Returns the event type.</p>
<!-- @@@type -->
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