<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qaccessible.cpp --> <title>QAccessibleEvent Class | Qt GUI 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="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> <td id="buildversion" width="100%" align="right"><a href="qtgui-index.html">Qt 5.12.6 Reference Documentation</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="#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> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QAccessibleEvent Class</h1> <!-- $$$QAccessibleEvent-brief --> <p>The <a href="qaccessibleevent.html">QAccessibleEvent</a> class is the base class for accessibility notifications. <a href="#details">More...</a></p> <!-- @@@QAccessibleEvent --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QAccessibleEvent></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> </td></tr></table></div><ul> <li><a href="qaccessibleevent-members.html">List of all members, including inherited members</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="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> </table></div> <a name="protected-variables"></a> <h2 id="protected-variables">Protected Variables</h2> <div class="table"><table class="alignedsummary"> <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> </table></div> <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">&</span>event); } </pre> <p>To enable in process screen readers, all events must be sent after the change has happened.</p> </div> <!-- @@@QAccessibleEvent --> <div class="func"> <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 --> <!-- $$$object[overload1]$$$object --> <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 --> </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>