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<div id="projectname">Wt
 <span id="projectnumber">3.2.3</span>
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<li class="navelem"><a class="el" href="namespaceWt.html">Wt</a> </li>
<li class="navelem"><a class="el" href="classWt_1_1WLink.html">WLink</a> </li>
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<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">Wt::WLink Class Reference</div> </div>
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<!-- doxytag: class="Wt::WLink" -->
<p>A value class that defines a hyperlink target.
<a href="classWt_1_1WLink.html#details">More...</a></p>
<p><a href="classWt_1_1WLink-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702a">Type</a> { <a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702aa675305c02219bc8835edd519bf69f067">Url</a>,
<a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702aabbacc06e7eeea70826b5dc1ab8664147">Resource</a>,
<a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702aa0d930c0019166af5d14caddac9e2cbed">InternalPath</a>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">An enumeration for a link type. <a href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702a">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#aaec0b340cc60cbf581b9c426914c1d85">WLink</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <a href="#aaec0b340cc60cbf581b9c426914c1d85"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#af85b88ba42324590423ff44f38b1d53f">WLink</a> (const char *url)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a link to a (static) URL. <a href="#af85b88ba42324590423ff44f38b1d53f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a4c658922cb15b17c5dc9014a9be5f119">WLink</a> (const std::string &url)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a link to a (static) URL. <a href="#a4c658922cb15b17c5dc9014a9be5f119"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a09f79685575c36d917efff33a1c021ac">WLink</a> (<a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702a">Type</a> type, const std::string &value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a link to a (static) URL or an internal path. <a href="#a09f79685575c36d917efff33a1c021ac"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a3d4fb820fd54ca4a6a83c617e5e027fb">WLink</a> (<a class="el" href="classWt_1_1WResource.html">WResource</a> *resource)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a link to a resource. <a href="#a3d4fb820fd54ca4a6a83c617e5e027fb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702a">Type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#af1ec22962d1d5458326cda923ac80def">type</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the link type. <a href="#af1ec22962d1d5458326cda923ac80def"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#ab148348e02b00842b1c382a308a09c2b">isNull</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns whether the link is unspecified. <a href="#ab148348e02b00842b1c382a308a09c2b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#ab20c36d4457ffd3ee9f5da4f27389e11">setUrl</a> (const std::string &url)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the link URL. <a href="#ab20c36d4457ffd3ee9f5da4f27389e11"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a04c033c29d74b31478201f8cdf62e6ee">url</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the link URL. <a href="#a04c033c29d74b31478201f8cdf62e6ee"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#aaa39fe9dde579484b5af2e6549367246">setResource</a> (<a class="el" href="classWt_1_1WResource.html">WResource</a> *resource)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the link resource. <a href="#aaa39fe9dde579484b5af2e6549367246"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classWt_1_1WResource.html">WResource</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a360eeefcdb49b094fadd503283f901fa">resource</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the link resource. <a href="#a360eeefcdb49b094fadd503283f901fa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a71f09afcd367a99896d77cb4fe3480f3">setInternalPath</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &internalPath)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the link internal path. <a href="#a71f09afcd367a99896d77cb4fe3480f3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classWt_1_1WString.html">WString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a59f34a90018ec5348200872a67501d9f">internalPath</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the internal path. <a href="#a59f34a90018ec5348200872a67501d9f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a976a1efd6d0484a102c029d3dc52fbe2"></a><!-- doxytag: member="Wt::WLink::operator==" ref="a976a1efd6d0484a102c029d3dc52fbe2" args="(const WLink &other) const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a976a1efd6d0484a102c029d3dc52fbe2">operator==</a> (const <a class="el" href="classWt_1_1WLink.html">WLink</a> &other) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Comparison operator. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1fdc810b6d2fc69df75f407750cc11cd"></a><!-- doxytag: member="Wt::WLink::operator!=" ref="a1fdc810b6d2fc69df75f407750cc11cd" args="(const WLink &other) const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1WLink.html#a1fdc810b6d2fc69df75f407750cc11cd">operator!=</a> (const <a class="el" href="classWt_1_1WLink.html">WLink</a> &other) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Comparison operator. <br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A value class that defines a hyperlink target. </p>
<p>This class abstracts a link target. Depending on the context, it may reference a URL, a dynamic <a class="el" href="classWt_1_1WResource.html">resource</a>, or (for certain usages) an internal path.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WAnchor.html" title="A widget that represents an HTML anchor (to link to other documents).">WAnchor</a>, <a class="el" href="classWt_1_1WImage.html" title="A widget that displays an image.">WImage</a>, <a class="el" href="classWt_1_1WMediaPlayer.html" title="A media player.">WMediaPlayer</a>, <a class="el" href="classWt_1_1WPopupMenuItem.html" title="An item in a popup menu.">WPopupMenuItem</a>, <a class="el" href="classWt_1_1WPushButton.html" title="A widget that represents a push button.">WPushButton</a> </dd></dl>
</div><hr/><h2>Member Enumeration Documentation</h2>
<a class="anchor" id="a3e379080ffa1697b53ea31c121af702a"></a><!-- doxytag: member="Wt::WLink::Type" ref="a3e379080ffa1697b53ea31c121af702a" args="" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">enum <a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702a">Wt::WLink::Type</a></td>
</tr>
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<div class="memdoc">
<p>An enumeration for a link type. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLink.html#af1ec22962d1d5458326cda923ac80def" title="Returns the link type.">type()</a> </dd></dl>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="a3e379080ffa1697b53ea31c121af702aa675305c02219bc8835edd519bf69f067"></a><!-- doxytag: member="Url" ref="a3e379080ffa1697b53ea31c121af702aa675305c02219bc8835edd519bf69f067" args="" -->Url</em> </td><td>
<p>A static URL. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="a3e379080ffa1697b53ea31c121af702aabbacc06e7eeea70826b5dc1ab8664147"></a><!-- doxytag: member="Resource" ref="a3e379080ffa1697b53ea31c121af702aabbacc06e7eeea70826b5dc1ab8664147" args="" -->Resource</em> </td><td>
<p>A dynamic resource. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="a3e379080ffa1697b53ea31c121af702aa0d930c0019166af5d14caddac9e2cbed"></a><!-- doxytag: member="InternalPath" ref="a3e379080ffa1697b53ea31c121af702aa0d930c0019166af5d14caddac9e2cbed" args="" -->InternalPath</em> </td><td>
<p>An internal path. </p>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="aaec0b340cc60cbf581b9c426914c1d85"></a><!-- doxytag: member="Wt::WLink::WLink" ref="aaec0b340cc60cbf581b9c426914c1d85" args="()" -->
<div class="memitem">
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<td class="memname">Wt::WLink::WLink </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<div class="memdoc">
<p>Default constructor. </p>
<p>This constructs a null link. </p>
</div>
</div>
<a class="anchor" id="af85b88ba42324590423ff44f38b1d53f"></a><!-- doxytag: member="Wt::WLink::WLink" ref="af85b88ba42324590423ff44f38b1d53f" args="(const char *url)" -->
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<td class="memname">Wt::WLink::WLink </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>url</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Creates a link to a (static) URL. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLink.html#ab20c36d4457ffd3ee9f5da4f27389e11" title="Sets the link URL.">setUrl()</a> </dd></dl>
</div>
</div>
<a class="anchor" id="a4c658922cb15b17c5dc9014a9be5f119"></a><!-- doxytag: member="Wt::WLink::WLink" ref="a4c658922cb15b17c5dc9014a9be5f119" args="(const std::string &url)" -->
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<td class="memname">Wt::WLink::WLink </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>url</em></td><td>)</td>
<td></td>
</tr>
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</div>
<div class="memdoc">
<p>Creates a link to a (static) URL. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLink.html#ab20c36d4457ffd3ee9f5da4f27389e11" title="Sets the link URL.">setUrl()</a> </dd></dl>
</div>
</div>
<a class="anchor" id="a09f79685575c36d917efff33a1c021ac"></a><!-- doxytag: member="Wt::WLink::WLink" ref="a09f79685575c36d917efff33a1c021ac" args="(Type type, const std::string &value)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">Wt::WLink::WLink </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702a">Type</a> </td>
<td class="paramname"><em>type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>value</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>Creates a link to a (static) URL or an internal path. </p>
<p>Using this constructor, you can create a link to a static URL (<code>type</code> == <a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702aa675305c02219bc8835edd519bf69f067" title="A static URL.">WLink::Url</a>) or an internal path (<code>type</code> == <a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702aa0d930c0019166af5d14caddac9e2cbed" title="An internal path.">WLink::InternalPath</a>). For an internal path, the <code>value</code> will be interpreted as a UTF8 encoded string.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLink.html#ab20c36d4457ffd3ee9f5da4f27389e11" title="Sets the link URL.">setUrl()</a>, <a class="el" href="classWt_1_1WLink.html#a71f09afcd367a99896d77cb4fe3480f3" title="Sets the link internal path.">setInternalPath()</a> </dd></dl>
</div>
</div>
<a class="anchor" id="a3d4fb820fd54ca4a6a83c617e5e027fb"></a><!-- doxytag: member="Wt::WLink::WLink" ref="a3d4fb820fd54ca4a6a83c617e5e027fb" args="(WResource *resource)" -->
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<td class="memname">Wt::WLink::WLink </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classWt_1_1WResource.html">WResource</a> * </td>
<td class="paramname"><em>resource</em></td><td>)</td>
<td></td>
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<div class="memdoc">
<p>Creates a link to a resource. </p>
<p>Ownership of the <code>resource</code> is not transferred to the link (or to the widget that deals with it), to allow resources to be shared.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLink.html#aaa39fe9dde579484b5af2e6549367246" title="Sets the link resource.">setResource()</a> </dd></dl>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a59f34a90018ec5348200872a67501d9f"></a><!-- doxytag: member="Wt::WLink::internalPath" ref="a59f34a90018ec5348200872a67501d9f" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WString.html">WString</a> Wt::WLink::internalPath </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<div class="memdoc">
<p>Returns the internal path. </p>
<p>This returns the internal path perviously set using <a class="el" href="classWt_1_1WLink.html#a71f09afcd367a99896d77cb4fe3480f3" title="Sets the link internal path.">setInternalPath()</a>, or an empty string otherwise.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLink.html#a71f09afcd367a99896d77cb4fe3480f3" title="Sets the link internal path.">setInternalPath()</a>. </dd></dl>
</div>
</div>
<a class="anchor" id="ab148348e02b00842b1c382a308a09c2b"></a><!-- doxytag: member="Wt::WLink::isNull" ref="ab148348e02b00842b1c382a308a09c2b" args="() const " -->
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<td class="memname">bool Wt::WLink::isNull </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<div class="memdoc">
<p>Returns whether the link is unspecified. </p>
<p>A null link is a link created using the default constructor and points to nowhere.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLink.html#aaec0b340cc60cbf581b9c426914c1d85" title="Default constructor.">WLink()</a> </dd></dl>
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<a class="anchor" id="a360eeefcdb49b094fadd503283f901fa"></a><!-- doxytag: member="Wt::WLink::resource" ref="a360eeefcdb49b094fadd503283f901fa" args="() const " -->
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<td class="memname"><a class="el" href="classWt_1_1WResource.html">WResource</a> * Wt::WLink::resource </td>
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<p>Returns the link resource. </p>
<p>This returns the resource previously set using <a class="el" href="classWt_1_1WLink.html#aaa39fe9dde579484b5af2e6549367246" title="Sets the link resource.">setResource()</a>, or <code>0</code>.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1WLink.html#aaa39fe9dde579484b5af2e6549367246" title="Sets the link resource.">setResource()</a> </dd></dl>
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<a class="anchor" id="a71f09afcd367a99896d77cb4fe3480f3"></a><!-- doxytag: member="Wt::WLink::setInternalPath" ref="a71f09afcd367a99896d77cb4fe3480f3" args="(const WString &internalPath)" -->
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<td class="memname">void Wt::WLink::setInternalPath </td>
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<p>Sets the link internal path. </p>
<p>This points the link to the given internal path. </p>
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<a class="anchor" id="aaa39fe9dde579484b5af2e6549367246"></a><!-- doxytag: member="Wt::WLink::setResource" ref="aaa39fe9dde579484b5af2e6549367246" args="(WResource *resource)" -->
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<td class="memname">void Wt::WLink::setResource </td>
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<td class="paramname"><em>resource</em></td><td>)</td>
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<p>Sets the link resource. </p>
<p>This sets the type to <a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702aabbacc06e7eeea70826b5dc1ab8664147" title="A dynamic resource.">WLink::Resource</a>.</p>
<p>Ownership of the <code>resource</code> is not transferred to the link (or to the widget that deals with it), to allow resources to be shared. </p>
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<a class="anchor" id="ab20c36d4457ffd3ee9f5da4f27389e11"></a><!-- doxytag: member="Wt::WLink::setUrl" ref="ab20c36d4457ffd3ee9f5da4f27389e11" args="(const std::string &url)" -->
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<td class="memname">void Wt::WLink::setUrl </td>
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<p>Sets the link URL. </p>
<p>This sets the type to <a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702aa675305c02219bc8835edd519bf69f067" title="A static URL.">WLink::Url</a>. </p>
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<td class="memname"><a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702a">Type</a> Wt::WLink::type </td>
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<p>Returns the link type. </p>
<p>The type is implicitly set depending on the constructor or after calling <a class="el" href="classWt_1_1WLink.html#ab20c36d4457ffd3ee9f5da4f27389e11" title="Sets the link URL.">setUrl()</a>, <a class="el" href="classWt_1_1WLink.html#aaa39fe9dde579484b5af2e6549367246" title="Sets the link resource.">setResource()</a> or <a class="el" href="classWt_1_1WLink.html#a71f09afcd367a99896d77cb4fe3480f3" title="Sets the link internal path.">setInternalPath()</a>.</p>
<p>The default type for a null link is <a class="el" href="classWt_1_1WLink.html#a3e379080ffa1697b53ea31c121af702aa675305c02219bc8835edd519bf69f067" title="A static URL.">WLink::Url</a>. </p>
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<a class="anchor" id="a04c033c29d74b31478201f8cdf62e6ee"></a><!-- doxytag: member="Wt::WLink::url" ref="a04c033c29d74b31478201f8cdf62e6ee" args="() const " -->
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<td class="memname">std::string Wt::WLink::url </td>
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<p>Returns the link URL. </p>
<p>The return value is the URL set by <a class="el" href="classWt_1_1WLink.html#ab20c36d4457ffd3ee9f5da4f27389e11" title="Sets the link URL.">setUrl()</a>, the resource URL of the resource set using <a class="el" href="classWt_1_1WLink.html#aaa39fe9dde579484b5af2e6549367246" title="Sets the link resource.">setResource()</a>, or the canonical URL of an internal path within the current application context. </p>
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