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Breadcrumbs go here --> <li><a href="modules.html">Modules</a></li> <li><a href="qtdesigner.html">QtDesigner</a></li> <li>QAbstractFormBuilder</li> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <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="#details">Detailed Description</a></li> </ul> </div> <h1 class="title">QAbstractFormBuilder Class Reference</h1> <!-- $$$QAbstractFormBuilder-brief --> <p>The QAbstractFormBuilder class provides a default implementation for classes that create user interfaces at run-time. <a href="#details">More...</a></p> <!-- @@@QAbstractFormBuilder --> <pre class="cpp"> <span class="preprocessor">#include <QAbstractFormBuilder></span></pre><p><b>Inherited by: </b><a href="qformbuilder.html">QFormBuilder</a>.</p> <ul> <li><a href="qabstractformbuilder-members.html">List of all members, including inherited members</a></li> </ul> <a name="public-functions"></a> <h2>Public Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qabstractformbuilder.html#QAbstractFormBuilder">QAbstractFormBuilder</a></b> ()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qabstractformbuilder.html#dtor.QAbstractFormBuilder">~QAbstractFormBuilder</a></b> ()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QWidget * </td><td class="memItemRight bottomAlign"><b><a href="qabstractformbuilder.html#load">load</a></b> ( QIODevice * <i>device</i>, QWidget * <i>parent</i> = 0 )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qabstractformbuilder.html#save">save</a></b> ( QIODevice * <i>device</i>, QWidget * <i>widget</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qabstractformbuilder.html#setWorkingDirectory">setWorkingDirectory</a></b> ( const QDir & <i>directory</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QDir </td><td class="memItemRight bottomAlign"><b><a href="qabstractformbuilder.html#workingDirectory">workingDirectory</a></b> () const</td></tr> </table> <a name="details"></a> <!-- $$$QAbstractFormBuilder-description --> <div class="descr"> <h2>Detailed Description</h2> <p>The QAbstractFormBuilder class provides a default implementation for classes that create user interfaces at run-time.</p> <p>QAbstractFormBuilder provides a standard interface and a default implementation for constructing forms from user interface files. It is not intended to be instantiated directly. Use the <a href="qformbuilder.html">QFormBuilder</a> class to create user interfaces from UI files at run-time. For example:</p> <pre class="cpp"> MyForm<span class="operator">::</span>MyForm(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qwidget.html">QWidget</a></span>(parent) { <span class="type"><a href="qformbuilder.html">QFormBuilder</a></span> builder; <span class="type"><a href="qfile.html">QFile</a></span> file(<span class="string">":/forms/myWidget.ui"</span>); file<span class="operator">.</span>open(<span class="type"><a href="qfile.html">QFile</a></span><span class="operator">::</span>ReadOnly); <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>myWidget <span class="operator">=</span> builder<span class="operator">.</span>load(<span class="operator">&</span>file<span class="operator">,</span> <span class="keyword">this</span>); file<span class="operator">.</span>close(); <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>layout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>; layout<span class="operator">-</span><span class="operator">></span>addWidget(myWidget); setLayout(layout); }</pre> <p>To override certain aspects of the form builder's behavior, subclass QAbstractFormBuilder and reimplement the relevant virtual functions:</p> <ul> <li><a href="qabstractformbuilder.html#load">load</a>() handles reading of UI format files from arbitrary QIODevices, and construction of widgets from the XML data that they contain.</li> <li><a href="qabstractformbuilder.html#save">save</a>() handles saving of widget details in UI format to arbitrary QIODevices.</li> <li><a href="qabstractformbuilder.html#workingDirectory">workingDirectory</a>() and <a href="qabstractformbuilder.html#setWorkingDirectory">setWorkingDirectory</a>() control the directory in which forms are held. The form builder looks for other resources on paths relative to this directory.</li> </ul> <p>The <a href="qformbuilder.html">QFormBuilder</a> class is typically used by custom components and applications that embed <i>Qt Designer</i>. Standalone applications that need to dynamically generate user interfaces at run-time use the <a href="quiloader.html">QUiLoader</a>, found in the <a href="qtuitools.html">QtUiTools</a> module.</p> </div> <p><b>See also </b><a href="qtuitools.html">QtUiTools Module</a>.</p> <!-- @@@QAbstractFormBuilder --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QAbstractFormBuilder[overload1]$$$QAbstractFormBuilder --> <h3 class="fn"><a name="QAbstractFormBuilder"></a>QAbstractFormBuilder::<span class="name">QAbstractFormBuilder</span> ()</h3> <p>Constructs a new form builder.</p> <!-- @@@QAbstractFormBuilder --> <!-- $$$~QAbstractFormBuilder[overload1]$$$~QAbstractFormBuilder --> <h3 class="fn"><a name="dtor.QAbstractFormBuilder"></a>QAbstractFormBuilder::<span class="name">~QAbstractFormBuilder</span> ()<tt> [virtual]</tt></h3> <p>Destroys the form builder.</p> <!-- @@@~QAbstractFormBuilder --> <!-- $$$load[overload1]$$$loadQIODevice*QWidget* --> <h3 class="fn"><a name="load"></a><span class="type"><a href="qwidget.html">QWidget</a></span> * QAbstractFormBuilder::<span class="name">load</span> ( <span class="type"><a href="qiodevice.html">QIODevice</a></span> * <i>device</i>, <span class="type"><a href="qwidget.html">QWidget</a></span> * <i>parent</i> = 0 )<tt> [virtual]</tt></h3> <p>Loads an XML representation of a widget from the given <i>device</i>, and constructs a new widget with the specified <i>parent</i>.</p> <p><b>See also </b><a href="qabstractformbuilder.html#save">save</a>().</p> <!-- @@@load --> <!-- $$$save[overload1]$$$saveQIODevice*QWidget* --> <h3 class="fn"><a name="save"></a><span class="type">void</span> QAbstractFormBuilder::<span class="name">save</span> ( <span class="type"><a href="qiodevice.html">QIODevice</a></span> * <i>device</i>, <span class="type"><a href="qwidget.html">QWidget</a></span> * <i>widget</i> )<tt> [virtual]</tt></h3> <p>Saves an XML representation of the given <i>widget</i> to the specified <i>device</i> in the standard UI file format.</p> <p><b>See also </b><a href="qabstractformbuilder.html#load">load</a>().</p> <!-- @@@save --> <!-- $$$setWorkingDirectory[overload1]$$$setWorkingDirectoryconstQDir& --> <h3 class="fn"><a name="setWorkingDirectory"></a><span class="type">void</span> QAbstractFormBuilder::<span class="name">setWorkingDirectory</span> ( const <span class="type"><a href="qdir.html">QDir</a></span> & <i>directory</i> )</h3> <p>Sets the current working directory of the form builder to the specified <i>directory</i>.</p> <p><b>See also </b><a href="qabstractformbuilder.html#workingDirectory">workingDirectory</a>().</p> <!-- @@@setWorkingDirectory --> <!-- $$$workingDirectory[overload1]$$$workingDirectory --> <h3 class="fn"><a name="workingDirectory"></a><span class="type"><a href="qdir.html">QDir</a></span> QAbstractFormBuilder::<span class="name">workingDirectory</span> () const</h3> <p>Returns the current working directory of the form builder.</p> <p><b>See also </b><a href="qabstractformbuilder.html#setWorkingDirectory">setWorkingDirectory</a>().</p> <!-- @@@workingDirectory --> </div> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. 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