<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qevent.cpp --> <title>QHelpEvent Class | Qt GUI 5.9</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 5.9</td><td ><a href="qtgui-index.html">Qt GUI</a></td><td ><a href="qtgui-module.html">C++ Classes</a></td><td >QHelpEvent</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</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="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QHelpEvent Class</h1> <!-- $$$QHelpEvent-brief --> <p>The <a href="qhelpevent.html">QHelpEvent</a> class provides an event that is used to request helpful information about a particular point in a widget. <a href="#details">More...</a></p> <!-- @@@QHelpEvent --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QHelpEvent></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"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="../qtcore/qevent.html">QEvent</a></td></tr></table></div><ul> <li><a href="qhelpevent-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="qhelpevent.html#QHelpEvent">QHelpEvent</a></b>(Type <i>type</i>, const QPoint &<i>pos</i>, const QPoint &<i>globalPos</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> const QPoint &</td><td class="memItemRight bottomAlign"><b><a href="qhelpevent.html#globalPos">globalPos</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhelpevent.html#globalX">globalX</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhelpevent.html#globalY">globalY</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> const QPoint &</td><td class="memItemRight bottomAlign"><b><a href="qhelpevent.html#pos">pos</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhelpevent.html#x">x</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qhelpevent.html#y">y</a></b>() const</td></tr> </table></div> <ul> <li class="fn">6 public functions inherited from <a href="../qtcore/qevent.html#public-functions">QEvent</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li class="fn">1 property inherited from <a href="../qtcore/qevent.html#properties">QEvent</a></li> <li class="fn">1 static public member inherited from <a href="../qtcore/qevent.html#static-public-members">QEvent</a></li> <li class="fn">2 protected variables inherited from <a href="../qtcore/qevent.html#protected-variables">QEvent</a></li> </ul> <a name="details"></a> <!-- $$$QHelpEvent-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qhelpevent.html">QHelpEvent</a> class provides an event that is used to request helpful information about a particular point in a widget.</p> <p>This event can be intercepted in applications to provide tooltips or "What's This?" help for custom widgets. The <a href="../qtcore/qevent.html#type">type</a>() can be either <a href="../qtcore/qevent.html#Type-enum">QEvent::ToolTip</a> or <a href="../qtcore/qevent.html#Type-enum">QEvent::WhatsThis</a>.</p> </div> <p><b>See also </b><a href="../qtwidgets/qtooltip.html">QToolTip</a>, <a href="../qtwidgets/qwhatsthis.html">QWhatsThis</a>, <a href="qstatustipevent.html">QStatusTipEvent</a>, and <a href="qwhatsthisclickedevent.html">QWhatsThisClickedEvent</a>.</p> <!-- @@@QHelpEvent --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QHelpEvent[overload1]$$$QHelpEventTypeconstQPoint&constQPoint& --> <h3 class="fn" id="QHelpEvent"><a name="QHelpEvent"></a>QHelpEvent::<span class="name">QHelpEvent</span>(<span class="type"><a href="../qtcore/qevent.html#Type-enum">Type</a></span> <i>type</i>, const <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> &<i>pos</i>, const <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> &<i>globalPos</i>)</h3> <p>Constructs a help event with the given <i>type</i> corresponding to the widget-relative position specified by <i>pos</i> and the global position specified by <i>globalPos</i>.</p> <p><i>type</i> must be either <a href="../qtcore/qevent.html#Type-enum">QEvent::ToolTip</a> or <a href="../qtcore/qevent.html#Type-enum">QEvent::WhatsThis</a>.</p> <p><b>See also </b><a href="qhelpevent.html#pos">pos</a>() and <a href="qhelpevent.html#globalPos">globalPos</a>().</p> <!-- @@@QHelpEvent --> <!-- $$$globalPos[overload1]$$$globalPos --> <h3 class="fn" id="globalPos"><a name="globalPos"></a>const <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> &QHelpEvent::<span class="name">globalPos</span>() const</h3> <p>Returns the mouse cursor position when the event was generated in global coordinates.</p> <p><b>See also </b><a href="qhelpevent.html#pos">pos</a>(), <a href="qhelpevent.html#globalX">globalX</a>(), and <a href="qhelpevent.html#globalY">globalY</a>().</p> <!-- @@@globalPos --> <!-- $$$globalX[overload1]$$$globalX --> <h3 class="fn" id="globalX"><a name="globalX"></a><span class="type">int</span> QHelpEvent::<span class="name">globalX</span>() const</h3> <p>Same as <a href="qhelpevent.html#globalPos">globalPos</a>().<a href="qhelpevent.html#x">x</a>().</p> <p><b>See also </b><a href="qhelpevent.html#x">x</a>(), <a href="qhelpevent.html#globalY">globalY</a>(), and <a href="qhelpevent.html#globalPos">globalPos</a>().</p> <!-- @@@globalX --> <!-- $$$globalY[overload1]$$$globalY --> <h3 class="fn" id="globalY"><a name="globalY"></a><span class="type">int</span> QHelpEvent::<span class="name">globalY</span>() const</h3> <p>Same as <a href="qhelpevent.html#globalPos">globalPos</a>().<a href="qhelpevent.html#y">y</a>().</p> <p><b>See also </b><a href="qhelpevent.html#y">y</a>(), <a href="qhelpevent.html#globalX">globalX</a>(), and <a href="qhelpevent.html#globalPos">globalPos</a>().</p> <!-- @@@globalY --> <!-- $$$pos[overload1]$$$pos --> <h3 class="fn" id="pos"><a name="pos"></a>const <span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span> &QHelpEvent::<span class="name">pos</span>() const</h3> <p>Returns the mouse cursor position when the event was generated, relative to the widget to which the event is dispatched.</p> <p><b>See also </b><a href="qhelpevent.html#globalPos">globalPos</a>(), <a href="qhelpevent.html#x">x</a>(), and <a href="qhelpevent.html#y">y</a>().</p> <!-- @@@pos --> <!-- $$$x[overload1]$$$x --> <h3 class="fn" id="x"><a name="x"></a><span class="type">int</span> QHelpEvent::<span class="name">x</span>() const</h3> <p>Same as <a href="qhelpevent.html#pos">pos</a>().x().</p> <p><b>See also </b><a href="qhelpevent.html#y">y</a>(), <a href="qhelpevent.html#pos">pos</a>(), and <a href="qhelpevent.html#globalPos">globalPos</a>().</p> <!-- @@@x --> <!-- $$$y[overload1]$$$y --> <h3 class="fn" id="y"><a name="y"></a><span class="type">int</span> QHelpEvent::<span class="name">y</span>() const</h3> <p>Same as <a href="qhelpevent.html#pos">pos</a>().y().</p> <p><b>See also </b><a href="qhelpevent.html#x">x</a>(), <a href="qhelpevent.html#pos">pos</a>(), and <a href="qhelpevent.html#globalPos">globalPos</a>().</p> <!-- @@@y --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 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>