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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>GtkLinkButton: GTK+ 3 Reference Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="GTK+ 3 Reference Manual"> <link rel="up" href="ButtonWidgets.html" title="Buttons and Toggles"> <link rel="prev" href="GtkToggleButton.html" title="GtkToggleButton"> <link rel="next" href="GtkMenuButton.html" title="GtkMenuButton"> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#GtkLinkButton.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> <a href="#GtkLinkButton.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span> <a href="#GtkLinkButton.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties"> <span class="dim">|</span> <a href="#GtkLinkButton.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span> <a href="#GtkLinkButton.signals" class="shortcut">Signals</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="ButtonWidgets.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="GtkToggleButton.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="GtkMenuButton.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="GtkLinkButton"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="GtkLinkButton.top_of_page"></a>GtkLinkButton</span></h2> <p>GtkLinkButton — Create buttons bound to a URL</p> </td> <td class="gallery_image" valign="top" align="right"><img src="link-button.png"></td> </tr></table></div> <div class="refsect1"> <a name="GtkLinkButton.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="function_type"> <a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> * </td> <td class="function_name"> <a class="link" href="GtkLinkButton.html#gtk-link-button-new" title="gtk_link_button_new ()">gtk_link_button_new</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> * </td> <td class="function_name"> <a class="link" href="GtkLinkButton.html#gtk-link-button-new-with-label" title="gtk_link_button_new_with_label ()">gtk_link_button_new_with_label</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * </td> <td class="function_name"> <a class="link" href="GtkLinkButton.html#gtk-link-button-get-uri" title="gtk_link_button_get_uri ()">gtk_link_button_get_uri</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkLinkButton.html#gtk-link-button-set-uri" title="gtk_link_button_set_uri ()">gtk_link_button_set_uri</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> </td> <td class="function_name"> <a class="link" href="GtkLinkButton.html#gtk-link-button-get-visited" title="gtk_link_button_get_visited ()">gtk_link_button_get_visited</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GtkLinkButton.html#gtk-link-button-set-visited" title="gtk_link_button_set_visited ()">gtk_link_button_set_visited</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GtkLinkButton.properties"></a><h2>Properties</h2> <div class="informaltable"><table class="informaltable" border="0"> <colgroup> <col width="150px" class="properties_type"> <col width="300px" class="properties_name"> <col width="200px" class="properties_flags"> </colgroup> <tbody> <tr> <td class="property_type"> <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> <td class="property_name"><a class="link" href="GtkLinkButton.html#GtkLinkButton--uri" title="The “uri” property">uri</a></td> <td class="property_flags">Read / Write</td> </tr> <tr> <td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td> <td class="property_name"><a class="link" href="GtkLinkButton.html#GtkLinkButton--visited" title="The “visited” property">visited</a></td> <td class="property_flags">Read / Write</td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GtkLinkButton.signals"></a><h2>Signals</h2> <div class="informaltable"><table class="informaltable" border="0"> <colgroup> <col width="150px" class="signal_proto_type"> <col width="300px" class="signal_proto_name"> <col width="200px" class="signal_proto_flags"> </colgroup> <tbody><tr> <td class="signal_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a></td> <td class="signal_name"><a class="link" href="GtkLinkButton.html#GtkLinkButton-activate-link" title="The “activate-link” signal">activate-link</a></td> <td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="GtkLinkButton.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody> <tr> <td class="datatype_keyword">struct</td> <td class="function_name"><a class="link" href="GtkLinkButton.html#GtkLinkButton-struct" title="struct GtkLinkButton">GtkLinkButton</a></td> </tr> <tr> <td class="datatype_keyword">struct</td> <td class="function_name"><a class="link" href="GtkLinkButton.html#GtkLinkButtonClass" title="struct GtkLinkButtonClass">GtkLinkButtonClass</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GtkLinkButton.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> <span class="lineart">╰──</span> <a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a> <span class="lineart">╰──</span> <a class="link" href="GtkContainer.html" title="GtkContainer">GtkContainer</a> <span class="lineart">╰──</span> <a class="link" href="GtkBin.html" title="GtkBin">GtkBin</a> <span class="lineart">╰──</span> <a class="link" href="GtkButton.html" title="GtkButton">GtkButton</a> <span class="lineart">╰──</span> GtkLinkButton </pre> </div> <div class="refsect1"> <a name="GtkLinkButton.implemented-interfaces"></a><h2>Implemented Interfaces</h2> <p> GtkLinkButton implements AtkImplementorIface, <a class="link" href="GtkBuildable.html" title="GtkBuildable">GtkBuildable</a>, <a class="link" href="GtkActionable.html" title="GtkActionable">GtkActionable</a> and <a class="link" href="GtkActivatable.html" title="GtkActivatable">GtkActivatable</a>.</p> </div> <div class="refsect1"> <a name="GtkLinkButton.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <gtk/gtk.h> </pre> </div> <div class="refsect1"> <a name="GtkLinkButton.description"></a><h2>Description</h2> <p>A GtkLinkButton is a <a class="link" href="GtkButton.html" title="GtkButton"><span class="type">GtkButton</span></a> with a hyperlink, similar to the one used by web browsers, which triggers an action when clicked. It is useful to show quick links to resources.</p> <p>A link button is created by calling either <a class="link" href="GtkLinkButton.html#gtk-link-button-new" title="gtk_link_button_new ()"><code class="function">gtk_link_button_new()</code></a> or <a class="link" href="GtkLinkButton.html#gtk-link-button-new-with-label" title="gtk_link_button_new_with_label ()"><code class="function">gtk_link_button_new_with_label()</code></a>. If using the former, the URI you pass to the constructor is used as a label for the widget.</p> <p>The URI bound to a GtkLinkButton can be set specifically using <a class="link" href="GtkLinkButton.html#gtk-link-button-set-uri" title="gtk_link_button_set_uri ()"><code class="function">gtk_link_button_set_uri()</code></a>, and retrieved using <a class="link" href="GtkLinkButton.html#gtk-link-button-get-uri" title="gtk_link_button_get_uri ()"><code class="function">gtk_link_button_get_uri()</code></a>.</p> <p>By default, GtkLinkButton calls <a class="link" href="gtk3-Filesystem-utilities.html#gtk-show-uri-on-window" title="gtk_show_uri_on_window ()"><code class="function">gtk_show_uri_on_window()</code></a> when the button is clicked. This behaviour can be overridden by connecting to the <a class="link" href="GtkLinkButton.html#GtkLinkButton-activate-link" title="The “activate-link” signal"><span class="type">“activate-link”</span></a> signal and returning <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> from the signal handler.</p> <div class="refsect2"> <a name="id-1.3.9.6.10.6"></a><h3>CSS nodes</h3> <p>GtkLinkButton has a single CSS node with name button. To differentiate it from a plain <a class="link" href="GtkButton.html" title="GtkButton"><span class="type">GtkButton</span></a>, it gets the .link style class.</p> </div> </div> <div class="refsect1"> <a name="GtkLinkButton.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="gtk-link-button-new"></a><h3>gtk_link_button_new ()</h3> <pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> * gtk_link_button_new (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *uri</code></em>);</pre> <p>Creates a new <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> with the URI as its text.</p> <div class="refsect3"> <a name="gtk-link-button-new.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>uri</p></td> <td class="parameter_description"><p>a valid URI</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-link-button-new.returns"></a><h4>Returns</h4> <p> a new link button widget.</p> </div> <p class="since">Since: 2.10</p> </div> <hr> <div class="refsect2"> <a name="gtk-link-button-new-with-label"></a><h3>gtk_link_button_new_with_label ()</h3> <pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> * gtk_link_button_new_with_label (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *uri</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *label</code></em>);</pre> <p>Creates a new <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> containing a label.</p> <div class="refsect3"> <a name="gtk-link-button-new-with-label.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>uri</p></td> <td class="parameter_description"><p>a valid URI</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>label</p></td> <td class="parameter_description"><p>the text of the button. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-link-button-new-with-label.returns"></a><h4>Returns</h4> <p>a new link button widget. </p> <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> </div> <p class="since">Since: 2.10</p> </div> <hr> <div class="refsect2"> <a name="gtk-link-button-get-uri"></a><h3>gtk_link_button_get_uri ()</h3> <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gtk_link_button_get_uri (<em class="parameter"><code><a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> *link_button</code></em>);</pre> <p>Retrieves the URI set using <a class="link" href="GtkLinkButton.html#gtk-link-button-set-uri" title="gtk_link_button_set_uri ()"><code class="function">gtk_link_button_set_uri()</code></a>.</p> <div class="refsect3"> <a name="gtk-link-button-get-uri.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>link_button</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-link-button-get-uri.returns"></a><h4>Returns</h4> <p> a valid URI. The returned string is owned by the link button and should not be modified or freed.</p> </div> <p class="since">Since: 2.10</p> </div> <hr> <div class="refsect2"> <a name="gtk-link-button-set-uri"></a><h3>gtk_link_button_set_uri ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_link_button_set_uri (<em class="parameter"><code><a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> *link_button</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *uri</code></em>);</pre> <p>Sets <em class="parameter"><code>uri</code></em> as the URI where the <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> points. As a side-effect this unsets the “visited” state of the button.</p> <div class="refsect3"> <a name="gtk-link-button-set-uri.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>link_button</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>uri</p></td> <td class="parameter_description"><p>a valid URI</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.10</p> </div> <hr> <div class="refsect2"> <a name="gtk-link-button-get-visited"></a><h3>gtk_link_button_get_visited ()</h3> <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gtk_link_button_get_visited (<em class="parameter"><code><a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> *link_button</code></em>);</pre> <p>Retrieves the “visited” state of the URI where the <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> points. The button becomes visited when it is clicked. If the URI is changed on the button, the “visited” state is unset again.</p> <p>The state may also be changed using <a class="link" href="GtkLinkButton.html#gtk-link-button-set-visited" title="gtk_link_button_set_visited ()"><code class="function">gtk_link_button_set_visited()</code></a>.</p> <div class="refsect3"> <a name="gtk-link-button-get-visited.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>link_button</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-link-button-get-visited.returns"></a><h4>Returns</h4> <p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the link has been visited, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p> </div> <p class="since">Since: 2.14</p> </div> <hr> <div class="refsect2"> <a name="gtk-link-button-set-visited"></a><h3>gtk_link_button_set_visited ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_link_button_set_visited (<em class="parameter"><code><a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> *link_button</code></em>, <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> visited</code></em>);</pre> <p>Sets the “visited” state of the URI where the <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> points. See <a class="link" href="GtkLinkButton.html#gtk-link-button-get-visited" title="gtk_link_button_get_visited ()"><code class="function">gtk_link_button_get_visited()</code></a> for more details.</p> <div class="refsect3"> <a name="gtk-link-button-set-visited.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>link_button</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>visited</p></td> <td class="parameter_description"><p>the new “visited” state</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.14</p> </div> </div> <div class="refsect1"> <a name="GtkLinkButton.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="GtkLinkButton-struct"></a><h3>struct GtkLinkButton</h3> <pre class="programlisting">struct GtkLinkButton;</pre> <p>The <a class="link" href="GtkLinkButton.html#GtkLinkButton-struct" title="struct GtkLinkButton"><span class="type">GtkLinkButton</span></a> contains only private data and should be accessed using the provided API.</p> </div> <hr> <div class="refsect2"> <a name="GtkLinkButtonClass"></a><h3>struct GtkLinkButtonClass</h3> <pre class="programlisting">struct GtkLinkButtonClass { gboolean (* activate_link) (GtkLinkButton *button); }; </pre> <p>The <a class="link" href="GtkLinkButton.html#GtkLinkButtonClass" title="struct GtkLinkButtonClass"><span class="type">GtkLinkButtonClass</span></a> contains only private data.</p> <div class="refsect3"> <a name="GtkLinkButtonClass.members"></a><h4>Members</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="300px" class="struct_members_name"> <col class="struct_members_description"> <col width="200px" class="struct_members_annotations"> </colgroup> <tbody><tr> <td class="struct_member_name"><p><em class="structfield"><code><a name="GtkLinkButtonClass.activate-link"></a>activate_link</code></em> ()</p></td> <td class="struct_member_description"><p>class handler for the <a class="link" href="GtkLinkButton.html#GtkLinkButton-activate-link" title="The “activate-link” signal"><span class="type">“activate-link”</span></a> signal</p></td> <td class="struct_member_annotations"> </td> </tr></tbody> </table></div> </div> </div> </div> <div class="refsect1"> <a name="GtkLinkButton.property-details"></a><h2>Property Details</h2> <div class="refsect2"> <a name="GtkLinkButton--uri"></a><h3>The <code class="literal">“uri”</code> property</h3> <pre class="programlisting"> “uri” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre> <p>The URI bound to this button.</p> <p>Owner: GtkLinkButton</p> <p>Flags: Read / Write</p> <p>Default value: NULL</p> <p class="since">Since: 2.10</p> </div> <hr> <div class="refsect2"> <a name="GtkLinkButton--visited"></a><h3>The <code class="literal">“visited”</code> property</h3> <pre class="programlisting"> “visited” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre> <p>The 'visited' state of this button. A visited link is drawn in a different color.</p> <p>Owner: GtkLinkButton</p> <p>Flags: Read / Write</p> <p>Default value: FALSE</p> <p class="since">Since: 2.14</p> </div> </div> <div class="refsect1"> <a name="GtkLinkButton.signal-details"></a><h2>Signal Details</h2> <div class="refsect2"> <a name="GtkLinkButton-activate-link"></a><h3>The <code class="literal">“activate-link”</code> signal</h3> <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> user_function (<a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> *button, <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> <p>The ::activate-link signal is emitted each time the <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> has been clicked.</p> <p>The default handler will call <a class="link" href="gtk3-Filesystem-utilities.html#gtk-show-uri-on-window" title="gtk_show_uri_on_window ()"><code class="function">gtk_show_uri_on_window()</code></a> with the URI stored inside the <a class="link" href="GtkLinkButton.html#GtkLinkButton--uri" title="The “uri” property"><span class="type">“uri”</span></a> property.</p> <p>To override the default behavior, you can connect to the ::activate-link signal and stop the propagation of the signal by returning <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> from your handler.</p> <div class="refsect3"> <a name="GtkLinkButton-activate-link.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>button</p></td> <td class="parameter_description"><p>the <a class="link" href="GtkLinkButton.html" title="GtkLinkButton"><span class="type">GtkLinkButton</span></a> that emitted the signal</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> </div> </div> <div class="refsect1"> <a name="GtkLinkButton.see-also"></a><h2>See Also</h2> <p><a class="link" href="GtkButton.html" title="GtkButton"><span class="type">GtkButton</span></a></p> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>