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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Wt: Wt::Ext::LineEdit Class Reference</title>
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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_1LineEdit.html">LineEdit</a>
</div>
</div>
<div class="contents">
<h1>Wt::Ext::LineEdit Class Reference<br>
<small>
[<a class="el" href="group__ext.html">Ext widgets</a>]</small>
</h1><!-- doxytag: class="Wt::Ext::LineEdit" --><!-- doxytag: inherits="Wt::Ext::FormField" -->A line edit.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/Ext/LineEdit></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::Ext::LineEdit:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1Ext_1_1LineEdit__inherit__graph.png" border="0" usemap="#Wt_1_1Ext_1_1LineEdit__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1Ext_1_1LineEdit__inherit__map">
<area shape="rect" href="classWt_1_1Ext_1_1ComboBox.html" title="A widget that provides a drop-down combo-box control." alt="" coords="5,528,141,555"><area shape="rect" href="classWt_1_1Ext_1_1DateField.html" title="A form field for conveniently editing a date using a calendar popup." alt="" coords="165,528,293,555"><area shape="rect" href="classWt_1_1Ext_1_1NumberField.html" title="A form field for editing a number." alt="" coords="317,528,464,555"><area shape="rect" href="classWt_1_1Ext_1_1FormField.html" title="An abstract base class for form fields." alt="" coords="164,379,295,405"><area shape="rect" href="classWt_1_1Ext_1_1Component.html" title="An abstract base class for widgets that can be visually disabled." alt="" coords="160,304,299,331"><area shape="rect" href="classWt_1_1Ext_1_1Widget.html" title="An abstract base class for all Ext widgets." alt="" coords="173,229,285,256"><area shape="rect" href="classWt_1_1WWebWidget.html" title="A base class for widgets with an HTML counterpart." alt="" coords="168,155,291,181"><area shape="rect" href="classWt_1_1WWidget.html" title="The abstract base class for a user-interface component." alt="" coords="181,80,277,107"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="181,5,277,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1Ext_1_1LineEdit-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 Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#c3469352f6a1073ac5015202e6f3e2e1">EchoMode</a> { <a class="el" href="classWt_1_1Ext_1_1LineEdit.html#c3469352f6a1073ac5015202e6f3e2e1d095e17353838d86f57d1a7601a57332">Normal</a>,
<a class="el" href="classWt_1_1Ext_1_1LineEdit.html#c3469352f6a1073ac5015202e6f3e2e1e84e09a5c6446aff5ba5053acb7904b4">Password</a>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Enum that describes how the contents is displayed. <a href="classWt_1_1Ext_1_1LineEdit.html#c3469352f6a1073ac5015202e6f3e2e1">More...</a><br></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="71715b99ff1aba4f38af23e86056e074"></a><!-- doxytag: member="Wt::Ext::LineEdit::LineEdit" ref="71715b99ff1aba4f38af23e86056e074" args="(WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#71715b99ff1aba4f38af23e86056e074">LineEdit</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 new line edit with empty content. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e0a247bcb43fd119bfffb29a3b1d7319"></a><!-- doxytag: member="Wt::Ext::LineEdit::LineEdit" ref="e0a247bcb43fd119bfffb29a3b1d7319" args="(const WString &content, WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#e0a247bcb43fd119bfffb29a3b1d7319">LineEdit</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &content, <a class="el" href="classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a line edit with given content. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4f47849711e93d6760f86a38eeca418a"></a><!-- doxytag: member="Wt::Ext::LineEdit::setTextSize" ref="4f47849711e93d6760f86a38eeca418a" args="(int chars)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#4f47849711e93d6760f86a38eeca418a">setTextSize</a> (int chars)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Specify the width of the line edit in number of characters. <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_1Ext_1_1LineEdit.html#b87c5c0f13c068383ffa402863d44e6e">textSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the current width of the line edit in number of characters. <a href="#b87c5c0f13c068383ffa402863d44e6e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a0f77652f6a47a27a17bc2d9a46e6fd3"></a><!-- doxytag: member="Wt::Ext::LineEdit::setText" ref="a0f77652f6a47a27a17bc2d9a46e6fd3" args="(const WString &value)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#a0f77652f6a47a27a17bc2d9a46e6fd3">setText</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Change the content of the line edit. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8ba4c9a22661c192bd28b4a28a8ca943"></a><!-- doxytag: member="Wt::Ext::LineEdit::text" ref="8ba4c9a22661c192bd28b4a28a8ca943" args="() const " -->
const <a class="el" href="classWt_1_1WString.html">WString</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#8ba4c9a22661c192bd28b4a28a8ca943">text</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the current content. <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_1LineEdit.html#b17143af0d6fef0467a7a9aead17d091">setMaxLength</a> (int length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Specify the maximum length of text that can be entered. <a href="#b17143af0d6fef0467a7a9aead17d091"></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_1Ext_1_1LineEdit.html#cb99fb14b98c8cd8640deb8706130118">maxLength</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the maximum length of text that can be entered. <a href="#cb99fb14b98c8cd8640deb8706130118"></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_1Ext_1_1LineEdit.html#b2ef8ad240cfeda9b5dc5f2ccf6a5fd8">setEchoMode</a> (<a class="el" href="classWt_1_1Ext_1_1LineEdit.html#c3469352f6a1073ac5015202e6f3e2e1">EchoMode</a> echoMode)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the echo mode. <a href="#b2ef8ad240cfeda9b5dc5f2ccf6a5fd8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b2d9d91c96ec140d7fdd76b57e37150d"></a><!-- doxytag: member="Wt::Ext::LineEdit::echoMode" ref="b2d9d91c96ec140d7fdd76b57e37150d" args="() const " -->
<a class="el" href="classWt_1_1Ext_1_1LineEdit.html#c3469352f6a1073ac5015202e6f3e2e1">EchoMode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#b2d9d91c96ec140d7fdd76b57e37150d">echoMode</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the echo mode. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ee32a5451b7e73568b39215f18d2d98c"></a><!-- doxytag: member="Wt::Ext::LineEdit::validate" ref="ee32a5451b7e73568b39215f18d2d98c" args="()" -->
virtual <a class="el" href="classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3">WValidator::State</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#ee32a5451b7e73568b39215f18d2d98c">validate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Validate the field. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3876ad8ff416a6020db30b57ab165dbe"></a><!-- doxytag: member="Wt::Ext::LineEdit::keyWentDown" ref="3876ad8ff416a6020db30b57ab165dbe" args="()" -->
<a class="el" href="classWt_1_1EventSignal.html">EventSignal</a>< <a class="el" href="classWt_1_1WKeyEvent.html">WKeyEvent</a> > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#3876ad8ff416a6020db30b57ab165dbe">keyWentDown</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Event signal emitted when a keyboard key is pushed down. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d2d94e3020a39759bd885d46600b0bb8"></a><!-- doxytag: member="Wt::Ext::LineEdit::keyPressed" ref="d2d94e3020a39759bd885d46600b0bb8" args="()" -->
<a class="el" href="classWt_1_1EventSignal.html">EventSignal</a>< <a class="el" href="classWt_1_1WKeyEvent.html">WKeyEvent</a> > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#d2d94e3020a39759bd885d46600b0bb8">keyPressed</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Event signal emitted when a keyboard key is pressed. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="62383a836f5fb357a3824ea86006b44b"></a><!-- doxytag: member="Wt::Ext::LineEdit::keyWentUp" ref="62383a836f5fb357a3824ea86006b44b" args="()" -->
<a class="el" href="classWt_1_1EventSignal.html">EventSignal</a>< <a class="el" href="classWt_1_1WKeyEvent.html">WKeyEvent</a> > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#62383a836f5fb357a3824ea86006b44b">keyWentUp</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Event signal emitted when a keyboard key is released. <br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A line edit.
<p>
To act upon text changes, connect a slot to the <a class="el" href="classWt_1_1Ext_1_1FormField.html#4d610435f726887b0ab33411ceff2750" title="Signal emitted when the value was changed.">changed()</a> signal. This signal is emitted when the user changed the content, and subsequently removes the focus from the line edit.<p>
To act upon editing, connect a slot to the <a class="el" href="classWt_1_1Ext_1_1LineEdit.html#62383a836f5fb357a3824ea86006b44b" title="Event signal emitted when a keyboard key is released.">keyWentUp()</a> signal.<p>
At all times, the current content may be accessed with the <a class="el" href="classWt_1_1Ext_1_1LineEdit.html#8ba4c9a22661c192bd28b4a28a8ca943" title="Return the current content.">text()</a> method.<p>
The API is a super-set of the <a class="el" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">WLineEdit</a> API. <hr><h2>Member Enumeration Documentation</h2>
<a class="anchor" name="c3469352f6a1073ac5015202e6f3e2e1"></a><!-- doxytag: member="Wt::Ext::LineEdit::EchoMode" ref="c3469352f6a1073ac5015202e6f3e2e1" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="classWt_1_1Ext_1_1LineEdit.html#c3469352f6a1073ac5015202e6f3e2e1">Wt::Ext::LineEdit::EchoMode</a> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Enum that describes how the contents is displayed.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#b2ef8ad240cfeda9b5dc5f2ccf6a5fd8" title="Set the echo mode.">setEchoMode</a> <p>
<a class="el" href="classWt_1_1Ext_1_1LineEdit.html#b2d9d91c96ec140d7fdd76b57e37150d" title="Return the echo mode.">echoMode</a> </dd></dl>
<dl compact><dt><b>Enumerator: </b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" name="c3469352f6a1073ac5015202e6f3e2e1d095e17353838d86f57d1a7601a57332"></a><!-- doxytag: member="Normal" ref="c3469352f6a1073ac5015202e6f3e2e1d095e17353838d86f57d1a7601a57332" args="" -->Normal</em> </td><td>
Characters are shown. </td></tr>
<tr><td valign="top"><em><a class="anchor" name="c3469352f6a1073ac5015202e6f3e2e1e84e09a5c6446aff5ba5053acb7904b4"></a><!-- doxytag: member="Password" ref="c3469352f6a1073ac5015202e6f3e2e1e84e09a5c6446aff5ba5053acb7904b4" args="" -->Password</em> </td><td>
Hide the contents as for a password. </td></tr>
</table>
</dl>
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="b87c5c0f13c068383ffa402863d44e6e"></a><!-- doxytag: member="Wt::Ext::LineEdit::textSize" ref="b87c5c0f13c068383ffa402863d44e6e" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int Wt::Ext::LineEdit::textSize </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Return the current width of the line edit in number of characters.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#4f47849711e93d6760f86a38eeca418a" title="Specify the width of the line edit in number of characters.">setTextSize(int)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="b17143af0d6fef0467a7a9aead17d091"></a><!-- doxytag: member="Wt::Ext::LineEdit::setMaxLength" ref="b17143af0d6fef0467a7a9aead17d091" args="(int length)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void Wt::Ext::LineEdit::setMaxLength </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>length</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Specify the maximum length of text that can be entered.
<p>
A value <= 0 indicates that there is no limit.<p>
The default value is -1.
</div>
</div><p>
<a class="anchor" name="cb99fb14b98c8cd8640deb8706130118"></a><!-- doxytag: member="Wt::Ext::LineEdit::maxLength" ref="cb99fb14b98c8cd8640deb8706130118" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int Wt::Ext::LineEdit::maxLength </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the maximum length of text that can be entered.
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#b17143af0d6fef0467a7a9aead17d091" title="Specify the maximum length of text that can be entered.">setMaxLength(int)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="b2ef8ad240cfeda9b5dc5f2ccf6a5fd8"></a><!-- doxytag: member="Wt::Ext::LineEdit::setEchoMode" ref="b2ef8ad240cfeda9b5dc5f2ccf6a5fd8" args="(EchoMode echoMode)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void Wt::Ext::LineEdit::setEchoMode </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1Ext_1_1LineEdit.html#c3469352f6a1073ac5015202e6f3e2e1">EchoMode</a> </td>
<td class="paramname"> <em>echoMode</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Set the echo mode.
<p>
The default echo mode is Normal.
</div>
</div><p>
</div>
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