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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="namespaceWt_1_1Ext.html">Ext</a>::<a class="el" href="classWt_1_1Ext_1_1Button.html">Button</a>
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<div class="contents">
<h1>Wt::Ext::Button Class Reference<br>
<small>
[<a class="el" href="group__ext.html">Ext widgets</a>]</small>
</h1><!-- doxytag: class="Wt::Ext::Button" --><!-- doxytag: inherits="Wt::Ext::AbstractButton" -->A button.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/Ext/Button></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::Ext::Button:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1Ext_1_1Button__inherit__graph.png" border="0" usemap="#Wt_1_1Ext_1_1Button__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1Ext_1_1Button__inherit__map">
<area shape="rect" href="classWt_1_1Ext_1_1AbstractButton.html" title="Abstract base class for a (toolbar) button or menu item." alt="" coords="5,379,165,405"><area shape="rect" href="classWt_1_1Ext_1_1Component.html" title="An abstract base class for widgets that can be visually disabled." alt="" coords="16,304,155,331"><area shape="rect" href="classWt_1_1Ext_1_1Widget.html" title="An abstract base class for all Ext widgets." alt="" coords="29,229,141,256"><area shape="rect" href="classWt_1_1WWebWidget.html" title="A base class for widgets with an HTML counterpart." alt="" coords="24,155,147,181"><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_1Ext_1_1Button-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="a65a7bd6f3f9ad2be15d7553fb41e786"></a><!-- doxytag: member="Wt::Ext::Button::Button" ref="a65a7bd6f3f9ad2be15d7553fb41e786" args="(WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1Button.html#a65a7bd6f3f9ad2be15d7553fb41e786">Button</a> (<a class="el" href="classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a push button with empty label. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0f31acbe76188e841e5e132f8111f725"></a><!-- doxytag: member="Wt::Ext::Button::Button" ref="0f31acbe76188e841e5e132f8111f725" args="(const WString &text, WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1Button.html#0f31acbe76188e841e5e132f8111f725">Button</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &text, <a class="el" href="classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a push button with given label. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6f3cc145f4a8eedd7f65532187836586"></a><!-- doxytag: member="Wt::Ext::Button::~Button" ref="6f3cc145f4a8eedd7f65532187836586" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1Button.html#6f3cc145f4a8eedd7f65532187836586">~Button</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Delete a button. <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_1Ext_1_1Button.html#2ed225799c373580940b99312bfa0b79">setDefault</a> (bool how)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Configure as the default button. <a href="#2ed225799c373580940b99312bfa0b79"></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_1Ext_1_1Button.html#ba951a81109feb3fcf1823e0dd8d8fcd">isDefault</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return if is the default button. <a href="#ba951a81109feb3fcf1823e0dd8d8fcd"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1JSignal.html">JSignal</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1Button.html#cdb897f4b6d0ca38764966017ecceaff">clicked</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Alias for the <a class="el" href="classWt_1_1Ext_1_1AbstractButton.html#43a839bb8e46df6c06ef2df65ae277c9" title="Signal emitted when a item gets activated.">activated()</a> signal. <a href="#cdb897f4b6d0ca38764966017ecceaff"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A button.
<p>
A button with a label and/or icon, which may be standalone, or be added to a <a class="el" href="classWt_1_1Ext_1_1ToolBar.html" title="A class that represents a tool bar (or a menu bar).">ToolBar</a> (see <a class="el" href="classWt_1_1Ext_1_1ToolBar.html#a0384abdeff4e404676bfbd872599d48" title="Add a button with given text.">ToolBar::addButton()</a>) or to a <a class="el" href="classWt_1_1Ext_1_1Dialog.html" title="A dialog emulates a modal window that blocks the user-interface.">Dialog</a> (see <a class="el" href="classWt_1_1Ext_1_1Dialog.html#d9f19a8ff62e3520544f2ea10a7647ce" title="Add a button at the bottom of this dialog.">Dialog::addButton()</a>).<p>
The API is similar to the <a class="el" href="classWt_1_1WPushButton.html" title="A widget that represents a push button.">WPushButton</a> API, with the following additional features: <ul>
<li>
an icon may be specified using <a class="el" href="classWt_1_1Ext_1_1AbstractButton.html#b484de8e4b543aa36ef5bfd1c8b70548" title="Set the item icon path.">AbstractButton::setIcon()</a>; </li>
<li>
the button may be configured as a toggle button (see <a class="el" href="classWt_1_1Ext_1_1AbstractButton.html#fe7d30546234065316df73026558fc79" title="Set if the item is checkable.">AbstractButton::setCheckable()</a>; </li>
<li>
the button may be associated with a popup-menu (see <a class="el" href="classWt_1_1Ext_1_1AbstractButton.html#adbc30ae480d99a6e4ca19a070e02d81" title="Set a menu that popups up when the item is activated.">AbstractButton::setMenu()</a>; </li>
</ul>
<p>
<div align="center">
<img src="ExtButton-1.png" alt="ExtButton-1.png">
<p><strong>Standalone button</strong></p></div>
<div align="center">
<img src="ExtButton-1a.png" alt="ExtButton-1a.png">
<p><strong>Standalone button hover effect</strong></p></div>
<div align="center">
<img src="ExtButton-2.png" alt="ExtButton-2.png">
<p><strong>Button in tool bar</strong></p></div>
<div align="center">
<img src="ExtButton-3.png" alt="ExtButton-3.png">
<p><strong>Button in tool bar with icon</strong></p></div>
<div align="center">
<img src="ExtButton-4.png" alt="ExtButton-4.png">
<p><strong>Button in tool bar with icon and menu</strong></p></div>
<div align="center">
<img src="ExtButton-5.png" alt="ExtButton-5.png">
<p><strong>Button in tool bar hover effect</strong></p></div>
<div align="center">
<img src="ExtButton-6.png" alt="ExtButton-6.png">
<p><strong>Toggled button in tool bar</strong></p></div>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="2ed225799c373580940b99312bfa0b79"></a><!-- doxytag: member="Wt::Ext::Button::setDefault" ref="2ed225799c373580940b99312bfa0b79" args="(bool how)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">void Wt::Ext::Button::setDefault </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>how</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Configure as the default button.
<p>
This only applies for buttons that have been added to a dialog using <a class="el" href="classWt_1_1Ext_1_1Dialog.html#d9f19a8ff62e3520544f2ea10a7647ce" title="Add a button at the bottom of this dialog.">Dialog::addButton()</a>.<p>
The default button will be activated when the user presses the Enter (or Return) key in a dialog.<p>
The default button may be rendered with more emphasis (?).<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1Ext_1_1Button.html#ba951a81109feb3fcf1823e0dd8d8fcd" title="Return if is the default button.">isDefault()</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="ba951a81109feb3fcf1823e0dd8d8fcd"></a><!-- doxytag: member="Wt::Ext::Button::isDefault" ref="ba951a81109feb3fcf1823e0dd8d8fcd" args="() const " -->
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<td class="memname">bool Wt::Ext::Button::isDefault </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Return if is the default button.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1Ext_1_1Button.html#2ed225799c373580940b99312bfa0b79" title="Configure as the default button.">setDefault(bool)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="cdb897f4b6d0ca38764966017ecceaff"></a><!-- doxytag: member="Wt::Ext::Button::clicked" ref="cdb897f4b6d0ca38764966017ecceaff" args="()" -->
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="classWt_1_1JSignal.html">JSignal</a>& Wt::Ext::Button::clicked </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Alias for the <a class="el" href="classWt_1_1Ext_1_1AbstractButton.html#43a839bb8e46df6c06ef2df65ae277c9" title="Signal emitted when a item gets activated.">activated()</a> signal.
<p>
This signal is added for increased API compatibility with <a class="el" href="classWt_1_1WPushButton.html" title="A widget that represents a push button.">WPushButton</a>.
</div>
</div><p>
</div>
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