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<div class="navpath"><a class="el" href="namespaceWt.html">Wt</a>::<a class="el" href="namespaceWt_1_1Ext.html">Ext</a>::<a class="el" href="classWt_1_1Ext_1_1Widget.html">Widget</a>
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<h1>Wt::Ext::Widget Class Reference<br>
<small>
[<a class="el" href="group__ext.html">Ext widgets</a>]</small>
</h1><!-- doxytag: class="Wt::Ext::Widget" --><!-- doxytag: inherits="Wt::WWebWidget" -->An abstract base class for all Ext widgets.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/Ext/Widget></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::Ext::Widget:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1Ext_1_1Widget__inherit__graph.png" border="0" usemap="#Wt_1_1Ext_1_1Widget__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1Ext_1_1Widget__inherit__map">
<area shape="rect" href="classWt_1_1Ext_1_1Component.html" title="An abstract base class for widgets that can be visually disabled." alt="" coords="640,129,779,156"><area shape="rect" href="classWt_1_1Ext_1_1Menu.html" title="A menu presented in a popup window." alt="" coords="657,180,761,207"><area shape="rect" href="classWt_1_1Ext_1_1SplitterHandle.html" title="A handle inside a splitter." alt="" coords="632,231,787,257"><area shape="rect" href="classWt_1_1Ext_1_1ToolBar.html" title="A class that represents a tool bar (or a menu bar)." alt="" coords="651,281,768,308"><area shape="rect" href="classWt_1_1WWebWidget.html" title="A base class for widgets with an HTML counterpart." alt="" coords="297,205,420,232"><area shape="rect" href="classWt_1_1WWidget.html" title="The abstract base class for a user-interface component." alt="" coords="151,205,247,232"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="5,205,101,232"><area shape="rect" href="classWt_1_1Ext_1_1AbstractButton.html" title="Abstract base class for a (toolbar) button or menu item." alt="" coords="835,31,995,57"><area shape="rect" href="classWt_1_1Ext_1_1Calendar.html" title="A calendar." alt="" coords="853,81,976,108"><area shape="rect" href="classWt_1_1Ext_1_1Container.html" title="A container class which manages its contents using layout managers." alt="" coords="851,132,979,159"><area shape="rect" href="classWt_1_1Ext_1_1FormField.html" title="An abstract base class for form fields." alt="" coords="849,228,980,255"><area shape="rect" href="classWt_1_1Ext_1_1Button.html" title="A button." alt="" coords="1087,5,1199,32"><area shape="rect" href="classWt_1_1Ext_1_1MenuItem.html" title="An item in a menu." alt="" coords="1077,56,1208,83"><area shape="rect" href="classWt_1_1Ext_1_1Panel.html" title="A container with a title and standard GUI elements." alt="" coords="1089,119,1196,145"><area shape="rect" href="classWt_1_1Ext_1_1Dialog.html" title="A dialog emulates a modal window that blocks the user-interface." alt="" coords="1309,19,1419,45"><area shape="rect" href="classWt_1_1Ext_1_1TableView.html" title="A widget that displays data in a table." alt="" coords="1299,69,1429,96"><area shape="rect" href="classWt_1_1Ext_1_1TabWidget.html" title="A widget that organizes contents in tab panes." alt="" coords="1297,120,1431,147"><area shape="rect" href="classWt_1_1Ext_1_1MessageBox.html" title="A standard dialog for confirmation or to get simple user input." alt="" coords="1485,19,1635,45"><area shape="rect" href="classWt_1_1Ext_1_1ProgressDialog.html" title="A standard dialog to inform the user of progress during a time consuming task." alt="" coords="1684,19,1844,45"><area shape="rect" href="classWt_1_1Ext_1_1AbstractToggleButton.html" title="Abstract base class for radio button and check box." alt="" coords="1044,221,1241,248"><area shape="rect" href="classWt_1_1Ext_1_1LineEdit.html" title="A line edit." alt="" coords="1083,272,1203,299"><area shape="rect" href="classWt_1_1Ext_1_1TextEdit.html" title="A rich-text editor." alt="" coords="1083,323,1203,349"><area shape="rect" href="classWt_1_1Ext_1_1CheckBox.html" title="A user control that represents a check box." alt="" coords="1297,171,1431,197"><area shape="rect" href="classWt_1_1Ext_1_1RadioButton.html" title="A user control that represents a radio button." alt="" coords="1292,221,1436,248"><area shape="rect" href="classWt_1_1Ext_1_1ComboBox.html" title="A widget that provides a drop-down combo-box control." alt="" coords="1296,272,1432,299"><area shape="rect" href="classWt_1_1Ext_1_1DateField.html" title="A form field for conveniently editing a date using a calendar popup." alt="" coords="1300,323,1428,349"><area shape="rect" href="classWt_1_1Ext_1_1NumberField.html" title="A form field for editing a number." alt="" coords="1291,373,1437,400"><area shape="rect" href="classWt_1_1Ext_1_1PagingToolBar.html" title="A tool bar that provides paging controls for supporting large data sets in a table..." alt="" coords="836,281,993,308"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1Ext_1_1Widget-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6156640ace2e219ed459461a755a7860"></a><!-- doxytag: member="Wt::Ext::Widget::~Widget" ref="6156640ace2e219ed459461a755a7860" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1Widget.html#6156640ace2e219ed459461a755a7860">~Widget</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete a widget. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1Widget.html#3102617fe37dd91e053317f268aa2f63">setHidden</a> (bool how)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets whether the widget is hidden. <a href="#3102617fe37dd91e053317f268aa2f63"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
An abstract base class for all Ext widgets.
<p>
Ext Widgets wrap around JavaScript-only widgets that are provided by the <a href="http://extjs.com">Ext JS</a> JavaScript widget library. <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="3102617fe37dd91e053317f268aa2f63"></a><!-- doxytag: member="Wt::Ext::Widget::setHidden" ref="3102617fe37dd91e053317f268aa2f63" args="(bool how)" -->
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<td class="memname">void Wt::Ext::Widget::setHidden </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>hidden</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>
Sets whether the widget is hidden.
<p>
Hides or show the widget (including all its descendant widgets). setHidden(false) will show this widget and all descendant widgets that are not hidden. A widget is only visible if it and all its ancestors in the widget tree are visible, which may be checked using <a class="el" href="classWt_1_1WWebWidget.html#5d78412910dc5c876db09371d8a423e8" title="Returns whether the widget is visible.">isVisible()</a>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WWidget.html#0825c3ccbd4999afc1a88fafa6aa6fc7" title="Hides the widget.">hide()</a>, <a class="el" href="classWt_1_1WWidget.html#52dcef5a385ddfa0a8c3e6c20000f181" title="Shows the widget.">show()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WWebWidget.html#bf00d84015803f7553c9e6650dc10bd4">Wt::WWebWidget</a>.</p>
<p>Reimplemented in <a class="el" href="classWt_1_1Ext_1_1Dialog.html#720b01d56ab479fad6b749e27bbd444c">Wt::Ext::Dialog</a>, and <a class="el" href="classWt_1_1Ext_1_1MessageBox.html#1886eef5b4b8e903b6f1455f3a864045">Wt::Ext::MessageBox</a>.</p>
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