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 <span id="projectnumber">3.2.3</span>
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<li class="navelem"><a class="el" href="namespaceWt.html">Wt</a> </li>
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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">Wt::WDefaultLayout Class Reference</div> </div>
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<!-- doxytag: class="Wt::WDefaultLayout" --><!-- doxytag: inherits="Wt::WLayout" -->
<p>A default layout manager.
<a href="classWt_1_1WDefaultLayout.html#details">More...</a></p>
<p><code>#include <Wt/WDefaultLayout></code></p>
<div class="dynheader">
Inheritance diagram for Wt::WDefaultLayout:</div>
<div class="dyncontent">
<div class="center"><img src="classWt_1_1WDefaultLayout__inherit__graph.png" border="0" usemap="#Wt_1_1WDefaultLayout_inherit__map" alt="Inheritance graph"/></div>
<map name="Wt_1_1WDefaultLayout_inherit__map" id="Wt_1_1WDefaultLayout_inherit__map">
<area shape="rect" href="classWt_1_1WAccordionLayout.html" title="A layout manager which shows one item at a time." alt="" coords="56,229,211,256"/><area shape="rect" href="classWt_1_1WLayout.html" title="An abstract base class for layout managers." alt="" coords="84,80,183,107"/><area shape="rect" href="classWt_1_1WLayoutItem.html" title="An abstract base class for items that can participate in a layout." alt="" coords="5,5,128,32"/><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="152,5,248,32"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classWt_1_1WDefaultLayout-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a01f835b2194ad6c57abbbd76bbe9ef6f"></a><!-- doxytag: member="Wt::WDefaultLayout::WDefaultLayout" ref="a01f835b2194ad6c57abbbd76bbe9ef6f" args="(WWidget *parent=0)" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#a01f835b2194ad6c57abbbd76bbe9ef6f">WDefaultLayout</a> (<a class="el" href="classWt_1_1WWidget.html">WWidget</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a new WDefaultLayout. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acecb272acef4ae61ab28f023950b70a3"></a><!-- doxytag: member="Wt::WDefaultLayout::~WDefaultLayout" ref="acecb272acef4ae61ab28f023950b70a3" args="()" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#acecb272acef4ae61ab28f023950b70a3">~WDefaultLayout</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#a281200191e8568c0dd8f7f355640cfbf">addItem</a> (<a class="el" href="classWt_1_1WLayoutItem.html">WLayoutItem</a> *item)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Adds a layout <em>item</em>. <a href="#a281200191e8568c0dd8f7f355640cfbf"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#a2172639feddcd11fd319eb481a5d20a6">removeItem</a> (<a class="el" href="classWt_1_1WLayoutItem.html">WLayoutItem</a> *item)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Removes a layout <em>item</em> (widget or nested layout). <a href="#a2172639feddcd11fd319eb481a5d20a6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classWt_1_1WLayoutItem.html">WLayoutItem</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#a865e47b372c73f913f5a1c7d7124bd1e">itemAt</a> (int index) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the layout item at a specific <em>index</em>. <a href="#a865e47b372c73f913f5a1c7d7124bd1e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#ab07de0e688076a6d722c2558a5675337">indexOf</a> (<a class="el" href="classWt_1_1WLayoutItem.html">WLayoutItem</a> *item) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the index of a given <em>item</em>. <a href="#ab07de0e688076a6d722c2558a5675337"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#a2c662db2763510aa0e47a84c098dcc62">count</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of items in this layout. <a href="#a2c662db2763510aa0e47a84c098dcc62"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#a4f3fe779c69e8326fd13dfe6f6c115f5">clear</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Removes and deletes all child widgets and nested layouts. <a href="#a4f3fe779c69e8326fd13dfe6f6c115f5"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A default layout manager. </p>
<p>The default layout does not attempt to resize any of the widgets, and puts all widgets vertically above each other.</p>
<dl class="note"><dt><b>Note:</b></dt><dd>This layout manager is applicable only to <a class="el" href="classWt_1_1Ext_1_1Container.html" title="A container class which manages its contents using layout managers.">Ext::Container</a> container widgets. However, its behaviour is equivalent to not using a layout manager on a <a class="el" href="classWt_1_1WContainerWidget.html" title="A widget that holds and manages child widgets.">WContainerWidget</a> and adding contents directly using <a class="el" href="classWt_1_1WContainerWidget.html#a2cfe66d9b62940f889e99538a9f478d2" title="Adds a child widget to this container.">WContainerWidget::addWidget()</a>. </dd></dl>
</div><hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a281200191e8568c0dd8f7f355640cfbf"></a><!-- doxytag: member="Wt::WDefaultLayout::addItem" ref="a281200191e8568c0dd8f7f355640cfbf" args="(WLayoutItem *item)" -->
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<td class="memname">void Wt::WDefaultLayout::addItem </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WLayoutItem.html">WLayoutItem</a> * </td>
<td class="paramname"><em>item</em></td><td>)</td>
<td><code> [virtual]</code></td>
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<p>Adds a layout <em>item</em>. </p>
<p>The item may be a widget or nested layout, and is added below the last added item.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WDefaultLayout.html#a2172639feddcd11fd319eb481a5d20a6" title="Removes a layout item (widget or nested layout).">removeItem(WLayoutItem *)</a>, <a class="el" href="classWt_1_1WLayout.html#a886d2ec4b6b97524ba3dff93252e6540" title="Adds the given widget to the layout.">addWidget(WWidget *)</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WLayout.html#ad4a778298c01d290692afc77e441c629">Wt::WLayout</a>.</p>
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<a class="anchor" id="a4f3fe779c69e8326fd13dfe6f6c115f5"></a><!-- doxytag: member="Wt::WDefaultLayout::clear" ref="a4f3fe779c69e8326fd13dfe6f6c115f5" args="()" -->
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<td class="memname">void Wt::WDefaultLayout::clear </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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<p>Removes and deletes all child widgets and nested layouts. </p>
<p>This is similar to <a class="el" href="classWt_1_1WContainerWidget.html#a608f748cbdda763f1a11556ddad9fbe1" title="Removes and deletes all child widgets.">WContainerWidget::clear()</a>, with the exception that the layout itself is not deleted. </p>
<p>Implements <a class="el" href="classWt_1_1WLayout.html#af9b4512adecf7adca01b8757108be4d6">Wt::WLayout</a>.</p>
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<a class="anchor" id="a2c662db2763510aa0e47a84c098dcc62"></a><!-- doxytag: member="Wt::WDefaultLayout::count" ref="a2c662db2763510aa0e47a84c098dcc62" args="() const " -->
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<td class="memname">int Wt::WDefaultLayout::count </td>
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<td class="paramname"></td><td>)</td>
<td> const<code> [virtual]</code></td>
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<p>Returns the number of items in this layout. </p>
<p>This may be a theoretical number, which is greater than the actual number of items. It can be used to iterate over the items in the layout, in conjunction with <a class="el" href="classWt_1_1WDefaultLayout.html#a865e47b372c73f913f5a1c7d7124bd1e" title="Returns the layout item at a specific index.">itemAt()</a>. </p>
<p>Implements <a class="el" href="classWt_1_1WLayout.html#a799b3cce5c1717b18e54c14471e84033">Wt::WLayout</a>.</p>
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<a class="anchor" id="ab07de0e688076a6d722c2558a5675337"></a><!-- doxytag: member="Wt::WDefaultLayout::indexOf" ref="ab07de0e688076a6d722c2558a5675337" args="(WLayoutItem *item) const " -->
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<td class="memname">int Wt::WDefaultLayout::indexOf </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WLayoutItem.html">WLayoutItem</a> * </td>
<td class="paramname"><em>item</em></td><td>)</td>
<td> const<code> [virtual]</code></td>
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<p>Returns the index of a given <em>item</em>. </p>
<p>The default implementation loops over all items, and returns the index for which itemAt(index) equals <code>item</code>.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WDefaultLayout.html#a865e47b372c73f913f5a1c7d7124bd1e" title="Returns the layout item at a specific index.">itemAt(int) const</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WLayout.html#afecba709ae19b93ef9bbe167650dbc5c">Wt::WLayout</a>.</p>
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<a class="anchor" id="a865e47b372c73f913f5a1c7d7124bd1e"></a><!-- doxytag: member="Wt::WDefaultLayout::itemAt" ref="a865e47b372c73f913f5a1c7d7124bd1e" args="(int index) const " -->
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<td class="memname"><a class="el" href="classWt_1_1WLayoutItem.html">WLayoutItem</a> * Wt::WDefaultLayout::itemAt </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>index</em></td><td>)</td>
<td> const<code> [virtual]</code></td>
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<p>Returns the layout item at a specific <em>index</em>. </p>
<p>If there is no item at the <code>index</code>, <code>0</code> is returned.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WDefaultLayout.html#ab07de0e688076a6d722c2558a5675337" title="Returns the index of a given item.">indexOf(WLayoutItem *) const</a>, <a class="el" href="classWt_1_1WDefaultLayout.html#a2c662db2763510aa0e47a84c098dcc62" title="Returns the number of items in this layout.">count()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WLayout.html#a3d48e5e4f56ad5d1b0e60180ebc91442">Wt::WLayout</a>.</p>
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<a class="anchor" id="a2172639feddcd11fd319eb481a5d20a6"></a><!-- doxytag: member="Wt::WDefaultLayout::removeItem" ref="a2172639feddcd11fd319eb481a5d20a6" args="(WLayoutItem *item)" -->
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<td class="memname">void Wt::WDefaultLayout::removeItem </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WLayoutItem.html">WLayoutItem</a> * </td>
<td class="paramname"><em>item</em></td><td>)</td>
<td><code> [virtual]</code></td>
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<div class="memdoc">
<p>Removes a layout <em>item</em> (widget or nested layout). </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WDefaultLayout.html#a281200191e8568c0dd8f7f355640cfbf" title="Adds a layout item.">addItem(WLayoutItem *)</a>, <a class="el" href="classWt_1_1WLayout.html#a3f5e0f62a0deb8f2473e52c5270128d5" title="Removes the given widget from the layout.">removeWidget(WWidget *)</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WLayout.html#a8c8d94070a51e669f8077249b67742ae">Wt::WLayout</a>.</p>
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