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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<div class="navpath"><a class="el" href="namespaceWt.html">Wt</a>::<a class="el" href="classWt_1_1WPanel.html">WPanel</a>
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<h1>Wt::WPanel Class Reference</h1><!-- doxytag: class="Wt::WPanel" --><!-- doxytag: inherits="Wt::WCompositeWidget" -->A WPanel provides a container with a title bar.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/WPanel></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::WPanel:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1WPanel__inherit__graph.png" border="0" usemap="#Wt_1_1WPanel__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1WPanel__inherit__map">
<area shape="rect" href="classWt_1_1WCompositeWidget.html" title="A widget that hides the implementation of composite widgets." alt="" coords="5,155,165,181"><area shape="rect" href="classWt_1_1WWidget.html" title="The abstract base class for a user-interface component." alt="" coords="37,80,133,107"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="37,5,133,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1WPanel-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="4c05851cf3ea39b796974b84eebd68bd"></a><!-- doxytag: member="Wt::WPanel::WPanel" ref="4c05851cf3ea39b796974b84eebd68bd" args="(WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#4c05851cf3ea39b796974b84eebd68bd">WPanel</a> (<a class="el" href="classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a panel. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#3e2feec27482003f4abd921c22b1b0c3">setTitle</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &title)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets a title. <a href="#3e2feec27482003f4abd921c22b1b0c3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#56ed246e0065e1ed78e639c1adc32adc">title</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the title. <a href="#56ed246e0065e1ed78e639c1adc32adc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#9671893042605eb936c7301f6de09d3f">setTitleBar</a> (bool enable)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Shows or hides the title bar for the panel. <a href="#9671893042605eb936c7301f6de09d3f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#310ea9e57d6ed4c10cbaf865063486d6">titleBar</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns if a title bar is set. <a href="#310ea9e57d6ed4c10cbaf865063486d6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#ce945a192f671220a5a2cda671dc37ca">setCollapsible</a> (bool on)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Makes the panel collapsible. <a href="#ce945a192f671220a5a2cda671dc37ca"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#ad805b67215219f72d8f3b849c898860">isCollapsible</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns if the panel can be collapsed by the user. <a href="#ad805b67215219f72d8f3b849c898860"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#cbb49b380277b5b78b18902a671abcb4">setCollapsed</a> (bool on)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the panel expanded or collapsed. <a href="#cbb49b380277b5b78b18902a671abcb4"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#9d9d4cced04f55464b20744ab88aa145">isCollapsed</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns if the panel is collapsed. <a href="#9d9d4cced04f55464b20744ab88aa145"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#efd66ff6dd8e2a1108e70efec4eab1b5">collapse</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Collapses the panel. <a href="#efd66ff6dd8e2a1108e70efec4eab1b5"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#2ac9a05172675559b6f988083a4fd666">expand</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Collapses the panel. <a href="#2ac9a05172675559b6f988083a4fd666"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#74f87b8eacf87d9df2704fc97ce9c37f">setCentralWidget</a> (<a class="el" href="classWt_1_1WWidget.html">WWidget</a> *)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the central widget. <a href="#74f87b8eacf87d9df2704fc97ce9c37f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WWidget.html">WWidget</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#699291066eef6f3dccad30cb592ad97c">centralWidget</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the central widget. <a href="#699291066eef6f3dccad30cb592ad97c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#c0926907f1ce9da82dcdc114aeda6e6c">collapsed</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted when the panel is collapsed. <a href="#c0926907f1ce9da82dcdc114aeda6e6c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1Signal.html">Signal</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WPanel.html#c5c430375eae4b14e46214fd8a103062">expanded</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Signal emitted when the panel is expanded. <a href="#c5c430375eae4b14e46214fd8a103062"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A WPanel provides a container with a title bar.
<p>
The panel provides a container with an optional title bar, and an optional collapse icon.<p>
Usage example: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WPanel.html" title="A WPanel provides a container with a title bar.">Wt::WPanel</a> *panel = <span class="keyword">new</span> <a class="code" href="classWt_1_1WPanel.html" title="A WPanel provides a container with a title bar.">Wt::WPanel</a>();
panel-><a class="code" href="classWt_1_1WPanel.html#3e2feec27482003f4abd921c22b1b0c3" title="Sets a title.">setTitle</a>(<span class="stringliteral">"A panel"</span>);
panel-><a class="code" href="classWt_1_1WPanel.html#74f87b8eacf87d9df2704fc97ce9c37f" title="Sets the central widget.">setCentralWidget</a>(<span class="keyword">new</span> <a class="code" href="classWt_1_1WText.html" title="A widget that renders (XHTML) text.">Wt::WText</a>(<span class="stringliteral">"This is the panel contents"</span>));
panel-><a class="code" href="classWt_1_1WPanel.html#ce945a192f671220a5a2cda671dc37ca" title="Makes the panel collapsible.">setCollapsible</a>(<span class="keyword">true</span>);
</pre></div><p>
<div align="center">
<img src="WPanel-default-1.png" alt="WPanel-default-1.png">
<p><strong>Two panels: one collapsed and one expanded (default theme)</strong></p></div>
<div align="center">
<img src="WPanel-polished-1.png" alt="WPanel-polished-1.png">
<p><strong>Two panels: one collapsed and one expanded (polished theme)</strong></p></div>
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This widget is in development. It will provide features similar to the <a class="el" href="classWt_1_1Ext_1_1Panel.html" title="A container with a title and standard GUI elements.">Ext::Panel</a>.</dd></dl>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1Ext_1_1Panel.html" title="A container with a title and standard GUI elements.">Ext::Panel</a></dd></dl>
<h3>CSS</h3>
<p>
A panel has the <code>Wt-panel</code> and <code>Wt-outset</code> style classes. The look can be overridden using the following style class selectors:<p>
<div class="fragment"><pre class="fragment">
.Wt-panel .titlebar : The title bar
.Wt-panel .body : The body (requires vertical padding 4px).
</pre></div> <hr><h2>Member Function Documentation</h2>
<a class="anchor" name="3e2feec27482003f4abd921c22b1b0c3"></a><!-- doxytag: member="Wt::WPanel::setTitle" ref="3e2feec27482003f4abd921c22b1b0c3" args="(const WString &title)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">void Wt::WPanel::setTitle </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WString.html">WString</a> & </td>
<td class="paramname"> <em>title</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Sets a title.
<p>
The panel title is set in the title bar. This method also makes the title bar visible by calling setTitleBar(true).<p>
The default value is "" (no title).<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#56ed246e0065e1ed78e639c1adc32adc" title="Returns the title.">title()</a>, <a class="el" href="classWt_1_1WPanel.html#9671893042605eb936c7301f6de09d3f" title="Shows or hides the title bar for the panel.">setTitleBar(bool)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="56ed246e0065e1ed78e639c1adc32adc"></a><!-- doxytag: member="Wt::WPanel::title" ref="56ed246e0065e1ed78e639c1adc32adc" args="() const " -->
<div class="memitem">
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<td class="memname"><a class="el" href="classWt_1_1WString.html">WString</a> Wt::WPanel::title </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the title.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#3e2feec27482003f4abd921c22b1b0c3" title="Sets a title.">setTitle(const WString&)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="9671893042605eb936c7301f6de09d3f"></a><!-- doxytag: member="Wt::WPanel::setTitleBar" ref="9671893042605eb936c7301f6de09d3f" args="(bool enable)" -->
<div class="memitem">
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<td class="memname">void Wt::WPanel::setTitleBar </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>enable</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Shows or hides the title bar for the panel.
<p>
The title bar appears at the top of the panel.<p>
The default value is <code>false:</code> the title bar is not shown unless a title is set or the panel is made collapsible.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#3e2feec27482003f4abd921c22b1b0c3" title="Sets a title.">setTitle(const WString&)</a>, <a class="el" href="classWt_1_1WPanel.html#ce945a192f671220a5a2cda671dc37ca" title="Makes the panel collapsible.">setCollapsible(bool)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="310ea9e57d6ed4c10cbaf865063486d6"></a><!-- doxytag: member="Wt::WPanel::titleBar" ref="310ea9e57d6ed4c10cbaf865063486d6" args="() const " -->
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<td class="memname">bool Wt::WPanel::titleBar </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns if a title bar is set.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#9671893042605eb936c7301f6de09d3f" title="Shows or hides the title bar for the panel.">setTitleBar(bool)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="ce945a192f671220a5a2cda671dc37ca"></a><!-- doxytag: member="Wt::WPanel::setCollapsible" ref="ce945a192f671220a5a2cda671dc37ca" args="(bool on)" -->
<div class="memitem">
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<td class="memname">void Wt::WPanel::setCollapsible </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>on</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Makes the panel collapsible.
<p>
When <code>on</code> is <code>true</code>, a collapse/expand icon is added to the title bar. This also calls setTitleBar(true) to enable the title bar.<p>
The default value is <code>false</code>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#9671893042605eb936c7301f6de09d3f" title="Shows or hides the title bar for the panel.">setTitleBar(bool)</a>, <a class="el" href="classWt_1_1WPanel.html#cbb49b380277b5b78b18902a671abcb4" title="Sets the panel expanded or collapsed.">setCollapsed(bool)</a>, <a class="el" href="classWt_1_1WPanel.html#9d9d4cced04f55464b20744ab88aa145" title="Returns if the panel is collapsed.">isCollapsed()</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="ad805b67215219f72d8f3b849c898860"></a><!-- doxytag: member="Wt::WPanel::isCollapsible" ref="ad805b67215219f72d8f3b849c898860" args="() const " -->
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<td class="memname">bool Wt::WPanel::isCollapsible </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns if the panel can be collapsed by the user.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#ce945a192f671220a5a2cda671dc37ca" title="Makes the panel collapsible.">setCollapsible(bool)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="cbb49b380277b5b78b18902a671abcb4"></a><!-- doxytag: member="Wt::WPanel::setCollapsed" ref="cbb49b380277b5b78b18902a671abcb4" args="(bool on)" -->
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<td class="memname">void Wt::WPanel::setCollapsed </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>on</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>
Sets the panel expanded or collapsed.
<p>
When <code>on</code> is <code>true</code>, equivalent to <a class="el" href="classWt_1_1WPanel.html#efd66ff6dd8e2a1108e70efec4eab1b5" title="Collapses the panel.">collapse()</a>, otherwise to <a class="el" href="classWt_1_1WPanel.html#2ac9a05172675559b6f988083a4fd666" title="Collapses the panel.">expand()</a>.<p>
The default value is <code>false</code>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#ce945a192f671220a5a2cda671dc37ca" title="Makes the panel collapsible.">setCollapsible(bool)</a> </dd></dl>
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<a class="anchor" name="9d9d4cced04f55464b20744ab88aa145"></a><!-- doxytag: member="Wt::WPanel::isCollapsed" ref="9d9d4cced04f55464b20744ab88aa145" args="() const " -->
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<td class="memname">bool Wt::WPanel::isCollapsed </td>
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Returns if the panel is collapsed.
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#cbb49b380277b5b78b18902a671abcb4" title="Sets the panel expanded or collapsed.">setCollapsed(bool)</a> <p>
<a class="el" href="classWt_1_1WPanel.html#c0926907f1ce9da82dcdc114aeda6e6c" title="Signal emitted when the panel is collapsed.">collapsed()</a>, <a class="el" href="classWt_1_1WPanel.html#c5c430375eae4b14e46214fd8a103062" title="Signal emitted when the panel is expanded.">expanded()</a> </dd></dl>
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<a class="anchor" name="efd66ff6dd8e2a1108e70efec4eab1b5"></a><!-- doxytag: member="Wt::WPanel::collapse" ref="efd66ff6dd8e2a1108e70efec4eab1b5" args="()" -->
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<td class="memname">void Wt::WPanel::collapse </td>
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Collapses the panel.
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When <a class="el" href="classWt_1_1WPanel.html#ad805b67215219f72d8f3b849c898860" title="Returns if the panel can be collapsed by the user.">isCollapsible()</a> is true, the panel is collapsed to minimize screen real-estate.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#ce945a192f671220a5a2cda671dc37ca" title="Makes the panel collapsible.">setCollapsible(bool)</a>, <a class="el" href="classWt_1_1WPanel.html#2ac9a05172675559b6f988083a4fd666" title="Collapses the panel.">expand()</a> </dd></dl>
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<a class="anchor" name="2ac9a05172675559b6f988083a4fd666"></a><!-- doxytag: member="Wt::WPanel::expand" ref="2ac9a05172675559b6f988083a4fd666" args="()" -->
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<td class="memname">void Wt::WPanel::expand </td>
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<p>
Collapses the panel.
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When <a class="el" href="classWt_1_1WPanel.html#ad805b67215219f72d8f3b849c898860" title="Returns if the panel can be collapsed by the user.">isCollapsible()</a> is true, the panel is expanded to its original state.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#ce945a192f671220a5a2cda671dc37ca" title="Makes the panel collapsible.">setCollapsible(bool)</a>, <a class="el" href="classWt_1_1WPanel.html#2ac9a05172675559b6f988083a4fd666" title="Collapses the panel.">expand()</a> </dd></dl>
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<a class="anchor" name="74f87b8eacf87d9df2704fc97ce9c37f"></a><!-- doxytag: member="Wt::WPanel::setCentralWidget" ref="74f87b8eacf87d9df2704fc97ce9c37f" args="(WWidget *)" -->
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<td class="memname">void Wt::WPanel::setCentralWidget </td>
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Sets the central widget.
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Sets the widget that is the contents of the panel. When a widget was previously set, the old widget is deleted first.<p>
The default value is <code>0</code> (no widget set).
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<a class="anchor" name="699291066eef6f3dccad30cb592ad97c"></a><!-- doxytag: member="Wt::WPanel::centralWidget" ref="699291066eef6f3dccad30cb592ad97c" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WWidget.html">WWidget</a>* Wt::WPanel::centralWidget </td>
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Returns the central widget.
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#74f87b8eacf87d9df2704fc97ce9c37f" title="Sets the central widget.">setCentralWidget()</a> </dd></dl>
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<a class="anchor" name="c0926907f1ce9da82dcdc114aeda6e6c"></a><!-- doxytag: member="Wt::WPanel::collapsed" ref="c0926907f1ce9da82dcdc114aeda6e6c" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a>& Wt::WPanel::collapsed </td>
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Signal emitted when the panel is collapsed.
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Signal emitted when the panel is collapsed. The signal is only emitted when the panel is collapsed by the user using the collapse icon in the tible bar, not when calling <a class="el" href="classWt_1_1WPanel.html#cbb49b380277b5b78b18902a671abcb4" title="Sets the panel expanded or collapsed.">setCollapsed(bool)</a>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#c5c430375eae4b14e46214fd8a103062" title="Signal emitted when the panel is expanded.">expanded()</a> </dd></dl>
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<a class="anchor" name="c5c430375eae4b14e46214fd8a103062"></a><!-- doxytag: member="Wt::WPanel::expanded" ref="c5c430375eae4b14e46214fd8a103062" args="()" -->
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<td class="memname"><a class="el" href="classWt_1_1Signal.html">Signal</a>& Wt::WPanel::expanded </td>
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Signal emitted when the panel is expanded.
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Signal emitted when the panel is expanded. The signal is only emitted when the panel is expanded by the user using the expand icon in the title bar, not when calling <a class="el" href="classWt_1_1WPanel.html#cbb49b380277b5b78b18902a671abcb4" title="Sets the panel expanded or collapsed.">setCollapsed(bool)</a>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WPanel.html#c0926907f1ce9da82dcdc114aeda6e6c" title="Signal emitted when the panel is collapsed.">collapsed()</a> </dd></dl>
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