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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_1WStackedWidget.html">WStackedWidget</a>
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<h1>Wt::WStackedWidget Class Reference</h1><!-- doxytag: class="Wt::WStackedWidget" --><!-- doxytag: inherits="Wt::WContainerWidget" -->A container widget that stacks its widgets on top of each other.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/WStackedWidget></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::WStackedWidget:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1WStackedWidget__inherit__graph.png" border="0" usemap="#Wt_1_1WStackedWidget__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1WStackedWidget__inherit__map">
<area shape="rect" href="classWt_1_1WContainerWidget.html" title="A widget that holds and manages child widgets." alt="" coords="5,304,157,331"><area shape="rect" href="classWt_1_1WInteractWidget.html" title="An abstract widget that can receive user-interface interaction." alt="" coords="11,229,152,256"><area shape="rect" href="classWt_1_1WWebWidget.html" title="A base class for widgets with an HTML counterpart." alt="" coords="20,155,143,181"><area shape="rect" href="classWt_1_1WWidget.html" title="The abstract base class for a user-interface component." alt="" coords="33,80,129,107"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="33,5,129,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1WStackedWidget-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="32b77a6dded133822098ac759d108bbe"></a><!-- doxytag: member="Wt::WStackedWidget::WStackedWidget" ref="32b77a6dded133822098ac759d108bbe" args="(WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WStackedWidget.html#32b77a6dded133822098ac759d108bbe">WStackedWidget</a> (<a class="el" href="classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Created a new stacked container 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_1WStackedWidget.html#ffaa67bed3b16d9cca3c83a1d9386918">addWidget</a> (<a class="el" href="classWt_1_1WWidget.html">WWidget</a> *widget)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Adds a child widget to this container. <a href="#ffaa67bed3b16d9cca3c83a1d9386918"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a20b9fec2222f2ee97eca2b0c07fb3f3"></a><!-- doxytag: member="Wt::WStackedWidget::count" ref="a20b9fec2222f2ee97eca2b0c07fb3f3" args="() const " -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WStackedWidget.html#a20b9fec2222f2ee97eca2b0c07fb3f3">count</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of widgets in the stack. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WStackedWidget.html#47fd91b7a51f57f341fde82b611cc1a1">currentIndex</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the index of the widget that is currently shown. <a href="#47fd91b7a51f57f341fde82b611cc1a1"></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_1WStackedWidget.html#82b399a7a80f64617b1e8995999476d2">currentWidget</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the widget that is currently shown. <a href="#82b399a7a80f64617b1e8995999476d2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WStackedWidget.html#6847fbec442359b1c1637ec5fe31d6f1">indexOf</a> (<a class="el" href="classWt_1_1WWidget.html">WWidget</a> *widget) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the index of the given widget. <a href="#6847fbec442359b1c1637ec5fe31d6f1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7a199e9cf57bee54333880534070767c"></a><!-- doxytag: member="Wt::WStackedWidget::insertWidget" ref="7a199e9cf57bee54333880534070767c" args="(int index, WWidget *widget)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WStackedWidget.html#7a199e9cf57bee54333880534070767c">insertWidget</a> (int index, <a class="el" href="classWt_1_1WWidget.html">WWidget</a> *widget)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Insert a widget at a given index. <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_1WStackedWidget.html#c6df7a2910d43efead64405866043156">removeWidget</a> (<a class="el" href="classWt_1_1WWidget.html">WWidget</a> *widget)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Removes a child widget from this container. <a href="#c6df7a2910d43efead64405866043156"></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_1WStackedWidget.html#e027e1c38b6f987b3b072d3e3931ccd7">widget</a> (int index) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the widget at the specified index. <a href="#e027e1c38b6f987b3b072d3e3931ccd7"></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_1WStackedWidget.html#4a2f79cf685ade6ad529e0673e22e6b0">setCurrentIndex</a> (int index)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Shows a particular widget. <a href="#4a2f79cf685ade6ad529e0673e22e6b0"></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_1WStackedWidget.html#460ba17f219b8cc75748735417b04828">setCurrentWidget</a> (<a class="el" href="classWt_1_1WWidget.html">WWidget</a> *widget)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Shows a particular widget. <a href="#460ba17f219b8cc75748735417b04828"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A container widget that stacks its widgets on top of each other.
<p>
This is a container widgets which at all times has only one item visible. The widget accomplishes this using <a class="el" href="classWt_1_1WWebWidget.html#bf00d84015803f7553c9e6650dc10bd4" title="Sets whether the widget is hidden.">setHidden(bool)</a> on the children.<p>
Using <a class="el" href="classWt_1_1WStackedWidget.html#47fd91b7a51f57f341fde82b611cc1a1" title="Returns the index of the widget that is currently shown.">currentIndex()</a> and <a class="el" href="classWt_1_1WStackedWidget.html#4a2f79cf685ade6ad529e0673e22e6b0" title="Shows a particular widget.">setCurrentIndex(int index)</a> you can retrieve or set the visible widget.<p>
WStackedWidget, like <a class="el" href="classWt_1_1WContainerWidget.html" title="A widget that holds and manages child widgets.">WContainerWidget</a>, is by default not inline.<p>
<h3>CSS</h3>
<p>
The widget is rendered using an HTML <code><div></code> tag and does not provide styling. It can be styled using inline or external CSS as appropriate.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WMenu.html" title="A widget that shows a menu of options.">WMenu</a> </dd></dl>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="ffaa67bed3b16d9cca3c83a1d9386918"></a><!-- doxytag: member="Wt::WStackedWidget::addWidget" ref="ffaa67bed3b16d9cca3c83a1d9386918" args="(WWidget *widget)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">void Wt::WStackedWidget::addWidget </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WWidget.html">WWidget</a> * </td>
<td class="paramname"> <em>widget</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Adds a child widget to this container.
<p>
This is equivalent to passing this container as the parent when constructing the child. The widget is appended to the list of children, and thus also layed-out at the end.
<p>Reimplemented from <a class="el" href="classWt_1_1WContainerWidget.html#2cfe66d9b62940f889e99538a9f478d2">Wt::WContainerWidget</a>.</p>
</div>
</div><p>
<a class="anchor" name="47fd91b7a51f57f341fde82b611cc1a1"></a><!-- doxytag: member="Wt::WStackedWidget::currentIndex" ref="47fd91b7a51f57f341fde82b611cc1a1" args="() const " -->
<div class="memitem">
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<table class="memname">
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<td class="memname">int Wt::WStackedWidget::currentIndex </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the index of the widget that is currently shown.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WStackedWidget.html#4a2f79cf685ade6ad529e0673e22e6b0" title="Shows a particular widget.">setCurrentIndex()</a>, <a class="el" href="classWt_1_1WStackedWidget.html#82b399a7a80f64617b1e8995999476d2" title="Returns the widget that is currently shown.">currentWidget()</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="82b399a7a80f64617b1e8995999476d2"></a><!-- doxytag: member="Wt::WStackedWidget::currentWidget" ref="82b399a7a80f64617b1e8995999476d2" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname"><a class="el" href="classWt_1_1WWidget.html">WWidget</a> * Wt::WStackedWidget::currentWidget </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the widget that is currently shown.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WStackedWidget.html#460ba17f219b8cc75748735417b04828" title="Shows a particular widget.">setCurrentWidget()</a>, <a class="el" href="classWt_1_1WStackedWidget.html#47fd91b7a51f57f341fde82b611cc1a1" title="Returns the index of the widget that is currently shown.">currentIndex()</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="6847fbec442359b1c1637ec5fe31d6f1"></a><!-- doxytag: member="Wt::WStackedWidget::indexOf" ref="6847fbec442359b1c1637ec5fe31d6f1" args="(WWidget *widget) const " -->
<div class="memitem">
<div class="memproto">
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<td class="memname">int Wt::WStackedWidget::indexOf </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WWidget.html">WWidget</a> * </td>
<td class="paramname"> <em>widget</em> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
</tr>
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<div class="memdoc">
<p>
Returns the index of the given widget.
<p>
Returns -1 if the <code>widget</code> was not added.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WStackedWidget.html#e027e1c38b6f987b3b072d3e3931ccd7" title="Returns the widget at the specified index.">widget()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WContainerWidget.html#7cf9f4f1c261080bce30b6a6ea19014e">Wt::WContainerWidget</a>.</p>
</div>
</div><p>
<a class="anchor" name="c6df7a2910d43efead64405866043156"></a><!-- doxytag: member="Wt::WStackedWidget::removeWidget" ref="c6df7a2910d43efead64405866043156" args="(WWidget *widget)" -->
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<td class="memname">void Wt::WStackedWidget::removeWidget </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WWidget.html">WWidget</a> * </td>
<td class="paramname"> <em>widget</em> </td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<div class="memdoc">
<p>
Removes a child widget from this container.
<p>
This removes the widget from this container, but does not delete the widget !
<p>Reimplemented from <a class="el" href="classWt_1_1WContainerWidget.html#4292867b1872bd31c7d0c3346d988470">Wt::WContainerWidget</a>.</p>
</div>
</div><p>
<a class="anchor" name="e027e1c38b6f987b3b072d3e3931ccd7"></a><!-- doxytag: member="Wt::WStackedWidget::widget" ref="e027e1c38b6f987b3b072d3e3931ccd7" args="(int index) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WWidget.html">WWidget</a> * Wt::WStackedWidget::widget </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>index</em> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the widget at the specified index.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WStackedWidget.html#6847fbec442359b1c1637ec5fe31d6f1" title="Returns the index of the given widget.">indexOf()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WContainerWidget.html#53c79a7311ffe3c132b50bdbb830856d">Wt::WContainerWidget</a>.</p>
</div>
</div><p>
<a class="anchor" name="4a2f79cf685ade6ad529e0673e22e6b0"></a><!-- doxytag: member="Wt::WStackedWidget::setCurrentIndex" ref="4a2f79cf685ade6ad529e0673e22e6b0" args="(int index)" -->
<div class="memitem">
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<td class="memname">void Wt::WStackedWidget::setCurrentIndex </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>index</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>
Shows a particular widget.
<p>
The widget with index <code>index</code> is made visible, while all other widgets are invisible.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WStackedWidget.html#47fd91b7a51f57f341fde82b611cc1a1" title="Returns the index of the widget that is currently shown.">currentIndex()</a>, <a class="el" href="classWt_1_1WStackedWidget.html#460ba17f219b8cc75748735417b04828" title="Shows a particular widget.">setCurrentWidget()</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="460ba17f219b8cc75748735417b04828"></a><!-- doxytag: member="Wt::WStackedWidget::setCurrentWidget" ref="460ba17f219b8cc75748735417b04828" args="(WWidget *widget)" -->
<div class="memitem">
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<td class="memname">void Wt::WStackedWidget::setCurrentWidget </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WWidget.html">WWidget</a> * </td>
<td class="paramname"> <em>widget</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Shows a particular widget.
<p>
The widget <code>widget</code>, which must have been added before, is made visible, while all other widgets are invisible.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WStackedWidget.html#82b399a7a80f64617b1e8995999476d2" title="Returns the widget that is currently shown.">currentWidget()</a>, <a class="el" href="classWt_1_1WStackedWidget.html#4a2f79cf685ade6ad529e0673e22e6b0" title="Shows a particular widget.">setCurrentIndex()</a> </dd></dl>
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</div><p>
</div>
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