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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_1WLineEdit.html">WLineEdit</a>
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<h1>Wt::WLineEdit Class Reference</h1><!-- doxytag: class="Wt::WLineEdit" --><!-- doxytag: inherits="Wt::WFormWidget" -->A widget that provides a single line edit.
<a href="#_details">More...</a>
<p>
<code>#include <Wt/WLineEdit></code>
<p>
<div class="dynheader">
Inheritance diagram for Wt::WLineEdit:</div>
<div class="dynsection">
<p><center><img src="classWt_1_1WLineEdit__inherit__graph.png" border="0" usemap="#Wt_1_1WLineEdit__inherit__map" alt="Inheritance graph"></center>
<map name="Wt_1_1WLineEdit__inherit__map">
<area shape="rect" href="classWt_1_1WFormWidget.html" title="An abstract widget that corresponds to an HTML form element." alt="" coords="12,304,140,331"><area shape="rect" href="classWt_1_1WInteractWidget.html" title="An abstract widget that can receive user-interface interaction." alt="" coords="5,229,147,256"><area shape="rect" href="classWt_1_1WWebWidget.html" title="A base class for widgets with an HTML counterpart." alt="" coords="15,155,137,181"><area shape="rect" href="classWt_1_1WWidget.html" title="The abstract base class for a user-interface component." alt="" coords="28,80,124,107"><area shape="rect" href="classWt_1_1WObject.html" title="A base class for objects that participate in the signal/slot system." alt="" coords="28,5,124,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classWt_1_1WLineEdit-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_1WLineEdit.html#2654d590e41b758cca16739d4bf0159c">EchoMode</a> { <a class="el" href="classWt_1_1WLineEdit.html#2654d590e41b758cca16739d4bf0159c4ebd4885d3cb474d78a43c414d71181d">Normal</a>,
<a class="el" href="classWt_1_1WLineEdit.html#2654d590e41b758cca16739d4bf0159cd8804194006eac81d4072805a0d74666">Password</a>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Enumeration that describes how the contents is displayed. <a href="classWt_1_1WLineEdit.html#2654d590e41b758cca16739d4bf0159c">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="287f11cd278eccfd293c7cc715f72b65"></a><!-- doxytag: member="Wt::WLineEdit::WLineEdit" ref="287f11cd278eccfd293c7cc715f72b65" args="(WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLineEdit.html#287f11cd278eccfd293c7cc715f72b65">WLineEdit</a> (<a class="el" href="classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a line edit with empty content and optional parent. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="40fe6e402a904911e7389e4e16498b05"></a><!-- doxytag: member="Wt::WLineEdit::WLineEdit" ref="40fe6e402a904911e7389e4e16498b05" args="(const WString &content, WContainerWidget *parent=0)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLineEdit.html#40fe6e402a904911e7389e4e16498b05">WLineEdit</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">Creates a line edit with given content and optional parent. <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_1WLineEdit.html#4c6c5a52deefa5a246e0638f1572d0d8">setTextSize</a> (int chars)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Specifies the width of the line edit in number of characters. <a href="#4c6c5a52deefa5a246e0638f1572d0d8"></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_1WLineEdit.html#f2886f31812bd56dea9897606546f5f6">textSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the current width of the line edit in number of characters. <a href="#f2886f31812bd56dea9897606546f5f6"></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_1WLineEdit.html#ddb99c6ab5483836adf44a2706a410af">setText</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &text)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the content of the line edit. <a href="#ddb99c6ab5483836adf44a2706a410af"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const <a class="el" href="classWt_1_1WString.html">WString</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLineEdit.html#c74b58779cb635898cac13e81d8b0c7a">text</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the current content. <a href="#c74b58779cb635898cac13e81d8b0c7a"></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_1WLineEdit.html#aeca334d8a47be029b6a44912b01ed5d">setMaxLength</a> (int length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Specifies the maximum length of text that can be entered. <a href="#aeca334d8a47be029b6a44912b01ed5d"></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_1WLineEdit.html#0f5d01ba6e862a856b283d600e65e6ff">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="#0f5d01ba6e862a856b283d600e65e6ff"></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_1WLineEdit.html#27c9bc232bea0ab76ee266be3325a10e">setEchoMode</a> (<a class="el" href="classWt_1_1WLineEdit.html#2654d590e41b758cca16739d4bf0159c">EchoMode</a> echoMode)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the echo mode. <a href="#27c9bc232bea0ab76ee266be3325a10e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classWt_1_1WLineEdit.html#2654d590e41b758cca16739d4bf0159c">EchoMode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLineEdit.html#7454516e7195cecf2f990af35b1470d7">echoMode</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the echo mode. <a href="#7454516e7195cecf2f990af35b1470d7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7eb722b7f1657a8714280533d8f25b0c"></a><!-- doxytag: member="Wt::WLineEdit::validate" ref="7eb722b7f1657a8714280533d8f25b0c" args="()" -->
<a class="el" href="classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3">WValidator::State</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLineEdit.html#7eb722b7f1657a8714280533d8f25b0c">validate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Validates the field. <br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></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_1WLineEdit.html#f347d0ad651b76abea5ee5dcae295db1">boxPadding</a> (<a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> orientation) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the widget's built-in padding. <a href="#f347d0ad651b76abea5ee5dcae295db1"></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_1WLineEdit.html#337dcba8f79f886b86c0d9bf7b721c75">boxBorder</a> (<a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> orientation) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the widget's built-in border width. <a href="#337dcba8f79f886b86c0d9bf7b721c75"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A widget that provides a single line edit.
<p>
To act upon text changes, connect a slot to the <a class="el" href="classWt_1_1WFormWidget.html#5216ba1594b5dc525cc47cad593c7ba8" 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_1WInteractWidget.html#7602bfbe38090d4acca674afc02f15c8" 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_1WLineEdit.html#c74b58779cb635898cac13e81d8b0c7a" title="Returns the current content.">text()</a> method.<p>
You may specify a maximum length for the input using <a class="el" href="classWt_1_1WLineEdit.html#aeca334d8a47be029b6a44912b01ed5d" title="Specifies the maximum length of text that can be entered.">setMaxLength()</a>. If you wish to provide more detailed input validation, you may set a validator using the <a class="el" href="classWt_1_1WFormWidget.html#a773d16013d6959149ce5081e84b259c" title="Sets a validator for this field.">setValidator(WValidator *)</a> method. Validators provide, in general, both client-side validation (as visual feed-back only) and server-side validation when calling <a class="el" href="classWt_1_1WLineEdit.html#7eb722b7f1657a8714280533d8f25b0c" title="Validates the field.">validate()</a>.<p>
Usage example: <div class="fragment"><pre class="fragment"> <a class="code" href="classWt_1_1WContainerWidget.html" title="A widget that holds and manages child widgets.">Wt::WContainerWidget</a> *w = <span class="keyword">new</span> <a class="code" href="classWt_1_1WContainerWidget.html" title="A widget that holds and manages child widgets.">Wt::WContainerWidget</a>();
<a class="code" href="classWt_1_1WLabel.html" title="A label for a form field.">Wt::WLabel</a> *label = <span class="keyword">new</span> <a class="code" href="classWt_1_1WLabel.html" title="A label for a form field.">Wt::WLabel</a>(<span class="stringliteral">"Age:"</span>, w);
<a class="code" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">Wt::WLineEdit</a> *edit = <span class="keyword">new</span> <a class="code" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">Wt::WLineEdit</a>(<span class="stringliteral">"13"</span>, w);
edit-><a class="code" href="classWt_1_1WFormWidget.html#a773d16013d6959149ce5081e84b259c" title="Sets a validator for this field.">setValidator</a>(<span class="keyword">new</span> <a class="code" href="classWt_1_1WIntValidator.html" title="A validator that validates integer user input.">Wt::WIntValidator</a>(0, 200));
label-><a class="code" href="classWt_1_1WLabel.html#f468c613eab7d184c68fd6ae20978de5" title="Sets the buddy of this label.">setBuddy</a>(edit);
</pre></div><p>
The widget corresponds to the HTML <code><input type="text"></code> or <code><input type="password"></code> tag.<p>
WLineEdit is an <a class="el" href="classWt_1_1WWidget.html#c78e3af143883334c82031790c87416e">inline </a> widget.<p>
<h3>CSS</h3>
<p>
The emptyText style can be configured via .Wt-edit-emptyText, other styling can be done 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_1WTextArea.html" title="A widget that provides a multi-line edit.">WTextArea</a> </dd></dl>
<hr><h2>Member Enumeration Documentation</h2>
<a class="anchor" name="2654d590e41b758cca16739d4bf0159c"></a><!-- doxytag: member="Wt::WLineEdit::EchoMode" ref="2654d590e41b758cca16739d4bf0159c" args="" -->
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<td class="memname">enum <a class="el" href="classWt_1_1WLineEdit.html#2654d590e41b758cca16739d4bf0159c">Wt::WLineEdit::EchoMode</a> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Enumeration 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_1WLineEdit.html#27c9bc232bea0ab76ee266be3325a10e" title="Sets the echo mode.">setEchoMode(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="2654d590e41b758cca16739d4bf0159c4ebd4885d3cb474d78a43c414d71181d"></a><!-- doxytag: member="Normal" ref="2654d590e41b758cca16739d4bf0159c4ebd4885d3cb474d78a43c414d71181d" args="" -->Normal</em> </td><td>
Characters are shown. </td></tr>
<tr><td valign="top"><em><a class="anchor" name="2654d590e41b758cca16739d4bf0159cd8804194006eac81d4072805a0d74666"></a><!-- doxytag: member="Password" ref="2654d590e41b758cca16739d4bf0159cd8804194006eac81d4072805a0d74666" 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="4c6c5a52deefa5a246e0638f1572d0d8"></a><!-- doxytag: member="Wt::WLineEdit::setTextSize" ref="4c6c5a52deefa5a246e0638f1572d0d8" args="(int chars)" -->
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<td class="memname">void Wt::WLineEdit::setTextSize </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>chars</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Specifies the width of the line edit in number of characters.
<p>
This specifies the width of the line edit that is roughly equivalent with <code>chars</code> characters. This does not limit the maximum length of a string that may be entered, which may be set using <a class="el" href="classWt_1_1WLineEdit.html#aeca334d8a47be029b6a44912b01ed5d" title="Specifies the maximum length of text that can be entered.">setMaxLength(int)</a>.<p>
The default value is 10.
</div>
</div><p>
<a class="anchor" name="f2886f31812bd56dea9897606546f5f6"></a><!-- doxytag: member="Wt::WLineEdit::textSize" ref="f2886f31812bd56dea9897606546f5f6" args="() const " -->
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<td class="memname">int Wt::WLineEdit::textSize </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns 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_1WLineEdit.html#4c6c5a52deefa5a246e0638f1572d0d8" title="Specifies the width of the line edit in number of characters.">setTextSize(int)</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="ddb99c6ab5483836adf44a2706a410af"></a><!-- doxytag: member="Wt::WLineEdit::setText" ref="ddb99c6ab5483836adf44a2706a410af" args="(const WString &text)" -->
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<td class="memname">void Wt::WLineEdit::setText </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classWt_1_1WString.html">WString</a> & </td>
<td class="paramname"> <em>text</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Sets the content of the line edit.
<p>
The default value is "".<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLineEdit.html#c74b58779cb635898cac13e81d8b0c7a" title="Returns the current content.">text()</a> </dd></dl>
</div>
</div><p>
<a class="anchor" name="c74b58779cb635898cac13e81d8b0c7a"></a><!-- doxytag: member="Wt::WLineEdit::text" ref="c74b58779cb635898cac13e81d8b0c7a" args="() const " -->
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<td class="memname">const <a class="el" href="classWt_1_1WString.html">WString</a>& Wt::WLineEdit::text </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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Returns the current content.
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLineEdit.html#ddb99c6ab5483836adf44a2706a410af" title="Sets the content of the line edit.">setText()</a> </dd></dl>
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<a class="anchor" name="aeca334d8a47be029b6a44912b01ed5d"></a><!-- doxytag: member="Wt::WLineEdit::setMaxLength" ref="aeca334d8a47be029b6a44912b01ed5d" args="(int length)" -->
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<td class="memname">void Wt::WLineEdit::setMaxLength </td>
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<td class="paramtype">int </td>
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<p>
Specifies the maximum length of text that can be entered.
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A value <= 0 indicates that there is no limit.<p>
The default value is -1.
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<a class="anchor" name="0f5d01ba6e862a856b283d600e65e6ff"></a><!-- doxytag: member="Wt::WLineEdit::maxLength" ref="0f5d01ba6e862a856b283d600e65e6ff" args="() const " -->
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<td class="memname">int Wt::WLineEdit::maxLength </td>
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<p>
Returns the maximum length of text that can be entered.
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLineEdit.html#aeca334d8a47be029b6a44912b01ed5d" title="Specifies the maximum length of text that can be entered.">setMaxLength(int)</a> </dd></dl>
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<a class="anchor" name="27c9bc232bea0ab76ee266be3325a10e"></a><!-- doxytag: member="Wt::WLineEdit::setEchoMode" ref="27c9bc232bea0ab76ee266be3325a10e" args="(EchoMode echoMode)" -->
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<td class="memname">void Wt::WLineEdit::setEchoMode </td>
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<td class="paramtype"><a class="el" href="classWt_1_1WLineEdit.html#2654d590e41b758cca16739d4bf0159c">EchoMode</a> </td>
<td class="paramname"> <em>echoMode</em> </td>
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Sets the echo mode.
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The default echo mode is Normal.
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<a class="anchor" name="7454516e7195cecf2f990af35b1470d7"></a><!-- doxytag: member="Wt::WLineEdit::echoMode" ref="7454516e7195cecf2f990af35b1470d7" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WLineEdit.html#2654d590e41b758cca16739d4bf0159c">EchoMode</a> Wt::WLineEdit::echoMode </td>
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<p>
Returns the echo mode.
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<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLineEdit.html#27c9bc232bea0ab76ee266be3325a10e" title="Sets the echo mode.">setEchoMode(EchoMode)</a> </dd></dl>
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<a class="anchor" name="f347d0ad651b76abea5ee5dcae295db1"></a><!-- doxytag: member="Wt::WLineEdit::boxPadding" ref="f347d0ad651b76abea5ee5dcae295db1" args="(Orientation orientation) const " -->
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<td class="memname">int Wt::WLineEdit::boxPadding </td>
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<td class="paramtype"><a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> </td>
<td class="paramname"> <em>orientation</em> </td>
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<td> const<code> [protected, virtual]</code></td>
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Returns the widget's built-in padding.
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This is used by the layout managers to correct for a built-in padding which interferes with setting a widget's width (or height) to 100%.<p>
A layout manager needs to set the width to 100% only for form widgets (<a class="el" href="classWt_1_1WTextArea.html" title="A widget that provides a multi-line edit.">WTextArea</a>, <a class="el" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">WLineEdit</a>, <a class="el" href="classWt_1_1WComboBox.html" title="A widget that provides a drop-down combo-box control.">WComboBox</a>, etc...). Therefore, only for those widgets this needs to return the padding (the default implementation returns 0).<p>
For form widgets, the padding depends on the specific browser/platform combination, unless an explicit padding is set for the widget.<p>
When setting an explicit padding for the widget using a style class, you will want to reimplement this method to return this padding in case you want to set the widget inside a layout manager.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLineEdit.html#337dcba8f79f886b86c0d9bf7b721c75" title="Returns the widget's built-in border width.">boxBorder()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WWidget.html#b4cfd6bd5bea1a6182731ec79a78792c">Wt::WWidget</a>.</p>
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<a class="anchor" name="337dcba8f79f886b86c0d9bf7b721c75"></a><!-- doxytag: member="Wt::WLineEdit::boxBorder" ref="337dcba8f79f886b86c0d9bf7b721c75" args="(Orientation orientation) const " -->
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<td class="memname">int Wt::WLineEdit::boxBorder </td>
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<td class="paramtype"><a class="el" href="namespaceWt.html#2a8d45559e16a0185bf61bfad0a67912">Orientation</a> </td>
<td class="paramname"> <em>orientation</em> </td>
<td> ) </td>
<td> const<code> [protected, virtual]</code></td>
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<p>
Returns the widget's built-in border width.
<p>
This is used by the layout managers to correct for a built-in border which interferes with setting a widget's width (or height) to 100%.<p>
A layout manager needs to set the width to 100% only for form widgets (<a class="el" href="classWt_1_1WTextArea.html" title="A widget that provides a multi-line edit.">WTextArea</a>, <a class="el" href="classWt_1_1WLineEdit.html" title="A widget that provides a single line edit.">WLineEdit</a>, <a class="el" href="classWt_1_1WComboBox.html" title="A widget that provides a drop-down combo-box control.">WComboBox</a>, etc...). Therefore, only for those widgets this needs to return the border width (the default implementation returns 0).<p>
For form widgets, the border width depends on the specific browser/platform combination, unless an explicit border is set for the widget.<p>
When setting an explicit border for the widget using a style class, you will want to reimplement this method to return this border width, in case you want to set the widget inside a layout manager.<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLineEdit.html#f347d0ad651b76abea5ee5dcae295db1" title="Returns the widget's built-in padding.">boxPadding()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="classWt_1_1WWidget.html#6bd6a9d01afbc4f96c4ec7dd48db9126">Wt::WWidget</a>.</p>
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