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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Wt: Wt::WDefaultLayout Class Reference</title>
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<div class="navpath"><a class="el" href="namespaceWt.html">Wt</a>::<a class="el" href="classWt_1_1WDefaultLayout.html">WDefaultLayout</a>
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<h1>Wt::WDefaultLayout Class Reference</h1><!-- doxytag: class="Wt::WDefaultLayout" --><!-- doxytag: inherits="Wt::WLayout" -->A default layout manager.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/WDefaultLayout></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::WDefaultLayout:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1WDefaultLayout__inherit__graph.png" border="0" usemap="#Wt_1_1WDefaultLayout__inherit__map" alt="Inheritance graph"></center>
<map name="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="57,229,209,256"><area shape="rect" href="classWt_1_1WLayout.html" title="An abstract base class for layout managers." alt="" coords="85,80,181,107"><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><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1WDefaultLayout-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="01f835b2194ad6c57abbbd76bbe9ef6f"></a><!-- doxytag: member="Wt::WDefaultLayout::WDefaultLayout" ref="01f835b2194ad6c57abbbd76bbe9ef6f" args="(WWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#01f835b2194ad6c57abbbd76bbe9ef6f">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" nowrap align="right" valign="top"><a class="anchor" name="cecb272acef4ae61ab28f023950b70a3"></a><!-- doxytag: member="Wt::WDefaultLayout::~WDefaultLayout" ref="cecb272acef4ae61ab28f023950b70a3" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#cecb272acef4ae61ab28f023950b70a3">~WDefaultLayout</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <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_1WDefaultLayout.html#281200191e8568c0dd8f7f355640cfbf">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="#281200191e8568c0dd8f7f355640cfbf"></a><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_1WDefaultLayout.html#2172639feddcd11fd319eb481a5d20a6">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="#2172639feddcd11fd319eb481a5d20a6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap 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#865e47b372c73f913f5a1c7d7124bd1e">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="#865e47b372c73f913f5a1c7d7124bd1e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#b07de0e688076a6d722c2558a5675337">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="#b07de0e688076a6d722c2558a5675337"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WDefaultLayout.html#2c662db2763510aa0e47a84c098dcc62">count</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of items in this layout. <a href="#2c662db2763510aa0e47a84c098dcc62"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A default layout manager.
<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" compact><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#2cfe66d9b62940f889e99538a9f478d2" title="Adds a child widget to this container.">WContainerWidget::addWidget()</a>. </dd></dl>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="281200191e8568c0dd8f7f355640cfbf"></a><!-- doxytag: member="Wt::WDefaultLayout::addItem" ref="281200191e8568c0dd8f7f355640cfbf" 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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</table>
</div>
<div class="memdoc">
<p>
Adds a layout <em>item</em>.
<p>
The item may be a widget or nested layout, and is added below the last added item.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WDefaultLayout.html#2172639feddcd11fd319eb481a5d20a6" title="Removes a layout item (widget or nested layout).">removeItem(WLayoutItem *)</a>, <a class="el" href="classWt_1_1WLayout.html#886d2ec4b6b97524ba3dff93252e6540" title="Adds the given widget to the layout.">addWidget(WWidget *)</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WLayout.html#d4a778298c01d290692afc77e441c629">Wt::WLayout</a>.</p>
</div>
</div><p>
<a class="anchor" name="2172639feddcd11fd319eb481a5d20a6"></a><!-- doxytag: member="Wt::WDefaultLayout::removeItem" ref="2172639feddcd11fd319eb481a5d20a6" 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>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Removes a layout <em>item</em> (widget or nested layout).
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WDefaultLayout.html#281200191e8568c0dd8f7f355640cfbf" title="Adds a layout item.">addItem(WLayoutItem *)</a>, <a class="el" href="classWt_1_1WLayout.html#3f5e0f62a0deb8f2473e52c5270128d5" title="Removes the given widget from the layout.">removeWidget(WWidget *)</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WLayout.html#8c8d94070a51e669f8077249b67742ae">Wt::WLayout</a>.</p>
</div>
</div><p>
<a class="anchor" name="865e47b372c73f913f5a1c7d7124bd1e"></a><!-- doxytag: member="Wt::WDefaultLayout::itemAt" ref="865e47b372c73f913f5a1c7d7124bd1e" 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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<div class="memdoc">
<p>
Returns the layout item at a specific <em>index</em>.
<p>
If there is no item at the <code>index</code>, <code>0</code> is returned.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WDefaultLayout.html#b07de0e688076a6d722c2558a5675337" title="Returns the index of a given item.">indexOf(WLayoutItem *) const</a>, <a class="el" href="classWt_1_1WDefaultLayout.html#2c662db2763510aa0e47a84c098dcc62" title="Returns the number of items in this layout.">count()</a> </dd></dl>
<p>Implements <a class="el" href="classWt_1_1WLayout.html#3d48e5e4f56ad5d1b0e60180ebc91442">Wt::WLayout</a>.</p>
</div>
</div><p>
<a class="anchor" name="b07de0e688076a6d722c2558a5675337"></a><!-- doxytag: member="Wt::WDefaultLayout::indexOf" ref="b07de0e688076a6d722c2558a5675337" 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>
</tr>
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<div class="memdoc">
<p>
Returns the index of a given <em>item</em>.
<p>
The default implementation loops over all items, and returns the index for which itemAt(index) equals <code>item</code>.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WDefaultLayout.html#865e47b372c73f913f5a1c7d7124bd1e" 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#fecba709ae19b93ef9bbe167650dbc5c">Wt::WLayout</a>.</p>
</div>
</div><p>
<a class="anchor" name="2c662db2763510aa0e47a84c098dcc62"></a><!-- doxytag: member="Wt::WDefaultLayout::count" ref="2c662db2763510aa0e47a84c098dcc62" args="() const " -->
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<td class="memname">int Wt::WDefaultLayout::count </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the number of items in this layout.
<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#865e47b372c73f913f5a1c7d7124bd1e" title="Returns the layout item at a specific index.">itemAt()</a>.
<p>Implements <a class="el" href="classWt_1_1WLayout.html#799b3cce5c1717b18e54c14471e84033">Wt::WLayout</a>.</p>
</div>
</div><p>
</div>
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