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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!-- qwebinspector.cpp -->
  <title>Qt 4.8: QWebInspector Class Reference</title>
  <link rel="stylesheet" type="text/css" href="style/offline.css" />
</head>
<body>
<div class="header" id="qtdocheader">
  <div class="content"> 
    <a href="index.html" class="qtref"><span>Qt Reference Documentation</span></a>
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<li><a href="modules.html">Modules</a></li>
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<li>QWebInspector</li>
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<div class="content mainContent">
<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-functions">Protected Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
<li class="level2"><a href="#resources">Resources</a></li>
<li class="level2"><a href="#inspector-configuration-persistence">Inspector configuration persistence</a></li>
</ul>
</div>
<h1 class="title">QWebInspector Class Reference</h1>
<!-- $$$QWebInspector-brief -->
<p>The QWebInspector class allows the placement and control of a <a href="qwebpage.html">QWebPage</a>'s inspector. The inspector can display a page's hierarchy, its loading statistics and the current state of its individual elements. It is mostly used by web developers. <a href="#details">More...</a></p>
<!-- @@@QWebInspector -->
<pre class="cpp"> <span class="preprocessor">#include &lt;QWebInspector&gt;</span></pre><p><b>Inherits: </b><a href="qwidget.html">QWidget</a>.</p>
<p>This class was introduced in Qt 4.6.</p>
<ul>
<li><a href="qwebinspector-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-functions"></a>
<h2>Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#QWebInspector">QWebInspector</a></b> ( QWidget * <i>parent</i> = 0 )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#dtor.QWebInspector">~QWebInspector</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QWebPage * </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#page">page</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#setPage">setPage</a></b> ( QWebPage * <i>page</i> )</td></tr>
</table>
<a name="reimplemented-public-functions"></a>
<h2>Reimplemented Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#event">event</a></b> ( QEvent * <i>ev</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QSize </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#sizeHint">sizeHint</a></b> () const</td></tr>
</table>
<ul>
<li class="fn">221 public functions inherited from <a href="qwidget.html#public-functions">QWidget</a></li>
<li class="fn">29 public functions inherited from <a href="qobject.html#public-functions">QObject</a></li>
<li class="fn">13 public functions inherited from <a href="qpaintdevice.html#public-functions">QPaintDevice</a></li>
</ul>
<a name="reimplemented-protected-functions"></a>
<h2>Reimplemented Protected Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#closeEvent">closeEvent</a></b> ( QCloseEvent * <i>event</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#hideEvent">hideEvent</a></b> ( QHideEvent * <i>event</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#resizeEvent">resizeEvent</a></b> ( QResizeEvent * <i>event</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qwebinspector.html#showEvent">showEvent</a></b> ( QShowEvent * <i>event</i> )</td></tr>
</table>
<ul>
<li class="fn">37 protected functions inherited from <a href="qwidget.html#protected-functions">QWidget</a></li>
<li class="fn">8 protected functions inherited from <a href="qobject.html#protected-functions">QObject</a></li>
<li class="fn">1 protected function inherited from <a href="qpaintdevice.html#protected-functions">QPaintDevice</a></li>
</ul>
<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">58 properties inherited from <a href="qwidget.html#properties">QWidget</a></li>
<li class="fn">1 property inherited from <a href="qobject.html#properties">QObject</a></li>
<li class="fn">19 public slots inherited from <a href="qwidget.html#public-slots">QWidget</a></li>
<li class="fn">1 public slot inherited from <a href="qobject.html#public-slots">QObject</a></li>
<li class="fn">1 signal inherited from <a href="qwidget.html#signals">QWidget</a></li>
<li class="fn">1 signal inherited from <a href="qobject.html#signals">QObject</a></li>
<li class="fn">4 static public members inherited from <a href="qwidget.html#static-public-members">QWidget</a></li>
<li class="fn">7 static public members inherited from <a href="qobject.html#static-public-members">QObject</a></li>
<li class="fn">37 protected functions inherited from <a href="qwidget.html#protected-functions">QWidget</a></li>
<li class="fn">8 protected functions inherited from <a href="qobject.html#protected-functions">QObject</a></li>
<li class="fn">1 protected function inherited from <a href="qpaintdevice.html#protected-functions">QPaintDevice</a></li>
<li class="fn">1 protected slot inherited from <a href="qwidget.html#protected-slots">QWidget</a></li>
</ul>
<a name="details"></a>
<!-- $$$QWebInspector-description -->
<div class="descr">
<h2>Detailed Description</h2>
<p>The QWebInspector class allows the placement and control of a <a href="qwebpage.html">QWebPage</a>'s inspector. The inspector can display a page's hierarchy, its loading statistics and the current state of its individual elements. It is mostly used by web developers.</p>
<p>The <a href="qwebpage.html">QWebPage</a> to be inspected must be specified using the <a href="qwebinspector.html#setPage">setPage</a>() method.</p>
<p>A typical use of QWebInspector follows:</p>
<pre class="cpp">     <span class="comment">// ...</span>
     <span class="type"><a href="qwebpage.html">QWebPage</a></span> <span class="operator">*</span>page <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwebpage.html">QWebPage</a></span>;
     <span class="comment">// ...</span>

     <span class="type">QWebInspector</span> <span class="operator">*</span>inspector <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QWebInspector</span>;
     inspector<span class="operator">-</span><span class="operator">&gt;</span>setPage(page);</pre>
<p>A QWebInspector can be made visible either programmatically using <a href="qwidget.html#visible-prop">setVisible</a>(), or by the user through the attached <a href="qwebpage.html">QWebPage</a>'s context menu.</p>
<p><b>Note:</b> A QWebInspector will display a blank widget if either:</p>
<ul>
<li><a href="qwebinspector.html#page">page</a>() is null</li>
<li><a href="qwebsettings.html#WebAttribute-enum">QWebSettings::DeveloperExtrasEnabled</a> is false</li>
</ul>
<a name="resources"></a>
<h3>Resources</h3>
<p>This class acts mostly as a container and a controller for the inspector. Most of the resources needed by the inspector are owned by the associated <a href="qwebpage.html">QWebPage</a> and are allocated the first time that:</p>
<ul>
<li>an element is inspected</li>
<li>the QWebInspector is shown.</li>
</ul>
<a name="inspector-configuration-persistence"></a>
<h3>Inspector configuration persistence</h3>
<p>The inspector allows the user to configure some options through its user interface (e.g&#x2e; the resource tracking &quot;Always enable&quot; option). These settings will be persisted automatically by <a href="qtwebkit.html">QtWebKit</a> only if your application previously called <a href="qcoreapplication.html#organizationName-prop">QCoreApplication::setOrganizationName</a>() and <a href="qcoreapplication.html#applicationName-prop">QCoreApplication::setApplicationName</a>(). See <a href="qsettings.html">QSettings</a>'s default constructor documentation for an explanation of why this is necessary.</p>
</div>
<!-- @@@QWebInspector -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QWebInspector[overload1]$$$QWebInspectorQWidget* -->
<h3 class="fn"><a name="QWebInspector"></a>QWebInspector::<span class="name">QWebInspector</span> ( <span class="type"><a href="qwidget.html">QWidget</a></span> * <i>parent</i> = 0 )</h3>
<p>Constructs an unbound <a href="qwebinspector.html">QWebInspector</a> with <i>parent</i> as its parent.</p>
<!-- @@@QWebInspector -->
<!-- $$$~QWebInspector[overload1]$$$~QWebInspector -->
<h3 class="fn"><a name="dtor.QWebInspector"></a>QWebInspector::<span class="name">~QWebInspector</span> ()</h3>
<p>Destroys the inspector.</p>
<!-- @@@~QWebInspector -->
<!-- $$$closeEvent[overload1]$$$closeEventQCloseEvent* -->
<h3 class="fn"><a name="closeEvent"></a><span class="type">void</span> QWebInspector::<span class="name">closeEvent</span> ( <span class="type"><a href="qcloseevent.html">QCloseEvent</a></span> * <i>event</i> )<tt> [virtual protected]</tt></h3>
<p>Reimplemented from <a href="qwidget.html#closeEvent">QWidget::closeEvent</a>().</p>
<!-- @@@closeEvent -->
<!-- $$$event[overload1]$$$eventQEvent* -->
<h3 class="fn"><a name="event"></a><span class="type">bool</span> QWebInspector::<span class="name">event</span> ( <span class="type"><a href="qevent.html">QEvent</a></span> * <i>ev</i> )<tt> [virtual]</tt></h3>
<p>Reimplemented from <a href="qobject.html#event">QObject::event</a>().</p>
<!-- @@@event -->
<!-- $$$hideEvent[overload1]$$$hideEventQHideEvent* -->
<h3 class="fn"><a name="hideEvent"></a><span class="type">void</span> QWebInspector::<span class="name">hideEvent</span> ( <span class="type"><a href="qhideevent.html">QHideEvent</a></span> * <i>event</i> )<tt> [virtual protected]</tt></h3>
<p>Reimplemented from <a href="qwidget.html#hideEvent">QWidget::hideEvent</a>().</p>
<!-- @@@hideEvent -->
<!-- $$$page[overload1]$$$page -->
<h3 class="fn"><a name="page"></a><span class="type"><a href="qwebpage.html">QWebPage</a></span> * QWebInspector::<span class="name">page</span> () const</h3>
<p>Returns the inspected <a href="qwebpage.html">QWebPage</a>. If no web page is currently associated, a null pointer is returned.</p>
<p><b>See also </b><a href="qwebinspector.html#setPage">setPage</a>().</p>
<!-- @@@page -->
<!-- $$$resizeEvent[overload1]$$$resizeEventQResizeEvent* -->
<h3 class="fn"><a name="resizeEvent"></a><span class="type">void</span> QWebInspector::<span class="name">resizeEvent</span> ( <span class="type"><a href="qresizeevent.html">QResizeEvent</a></span> * <i>event</i> )<tt> [virtual protected]</tt></h3>
<p>Reimplemented from <a href="qwidget.html#resizeEvent">QWidget::resizeEvent</a>().</p>
<!-- @@@resizeEvent -->
<!-- $$$setPage[overload1]$$$setPageQWebPage* -->
<h3 class="fn"><a name="setPage"></a><span class="type">void</span> QWebInspector::<span class="name">setPage</span> ( <span class="type"><a href="qwebpage.html">QWebPage</a></span> * <i>page</i> )</h3>
<p>Bind this inspector to the <a href="qwebpage.html">QWebPage</a> to be inspected.</p>
<p><b>Notes:</b></p>
<ul>
<li>There can only be one <a href="qwebinspector.html">QWebInspector</a> associated with a <a href="qwebpage.html">QWebPage</a> and vice versa.</li>
<li>Calling this method with a null <i>page</i> will break the current association, if any.</li>
<li>If <i>page</i> is already associated to another <a href="qwebinspector.html">QWebInspector</a>, the association will be replaced and the previous <a href="qwebinspector.html">QWebInspector</a> will become unbound</li>
</ul>
<p><b>See also </b><a href="qwebinspector.html#page">page</a>().</p>
<!-- @@@setPage -->
<!-- $$$showEvent[overload1]$$$showEventQShowEvent* -->
<h3 class="fn"><a name="showEvent"></a><span class="type">void</span> QWebInspector::<span class="name">showEvent</span> ( <span class="type"><a href="qshowevent.html">QShowEvent</a></span> * <i>event</i> )<tt> [virtual protected]</tt></h3>
<p>Reimplemented from <a href="qwidget.html#showEvent">QWidget::showEvent</a>().</p>
<!-- @@@showEvent -->
<!-- $$$sizeHint[overload1]$$$sizeHint -->
<h3 class="fn"><a name="sizeHint"></a><span class="type"><a href="qsize.html">QSize</a></span> QWebInspector::<span class="name">sizeHint</span> () const<tt> [virtual]</tt></h3>
<p>Reimplemented from <a href="qwidget.html#sizeHint-prop">QWidget::sizeHint</a>().</p>
<!-- @@@sizeHint -->
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