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| <div class="refentry"> |
| <a name="GIcon"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="GIcon.top_of_page"></a>GIcon</span></h2> |
| <p>GIcon — Interface for icons</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="GIcon.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GIcon.html#g-icon-hash" title="g_icon_hash ()">g_icon_hash</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GIcon.html#g-icon-equal" title="g_icon_equal ()">g_icon_equal</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GIcon.html#g-icon-to-string" title="g_icon_to_string ()">g_icon_to_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GIcon.html" title="GIcon"><span class="returnvalue">GIcon</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GIcon.html#g-icon-new-for-string" title="g_icon_new_for_string ()">g_icon_new_for_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GIcon.html#g-icon-serialize" title="g_icon_serialize ()">g_icon_serialize</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GIcon.html" title="GIcon"><span class="returnvalue">GIcon</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GIcon.html#g-icon-deserialize" title="g_icon_deserialize ()">g_icon_deserialize</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="datatype_keyword"> </td> |
| <td class="function_name"><a class="link" href="GIcon.html#GIcon-struct" title="GIcon">GIcon</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="GIcon.html#GIconIface" title="struct GIconIface">GIconIface</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.object-hierarchy"></a><h2>Object Hierarchy</h2> |
| <pre class="screen"> <a href="https://developer.gnome.org/gobject/unstable/GTypeModule.html">GInterface</a> |
| <span class="lineart">╰──</span> GIcon |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.prerequisites"></a><h2>Prerequisites</h2> |
| <p> |
| GIcon requires |
| <a href="../gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.derived-interfaces"></a><h2>Known Derived Interfaces</h2> |
| <p> |
| GIcon is required by |
| <a class="link" href="GLoadableIcon.html" title="GLoadableIcon">GLoadableIcon</a>.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.implementations"></a><h2>Known Implementations</h2> |
| <p> |
| GIcon is implemented by |
| <a class="link" href="GBytesIcon.html" title="GBytesIcon">GBytesIcon</a>, <a class="link" href="GEmblem.html" title="GEmblem">GEmblem</a>, <a class="link" href="GEmblemedIcon.html" title="GEmblemedIcon">GEmblemedIcon</a>, <a class="link" href="GFileIcon.html" title="GFileIcon">GFileIcon</a> and <a class="link" href="GThemedIcon.html" title="GThemedIcon">GThemedIcon</a>.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gio/gio.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.description"></a><h2>Description</h2> |
| <p><a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> is a very minimal interface for icons. It provides functions |
| for checking the equality of two icons, hashing of icons and |
| serializing an icon to and from strings.</p> |
| <p><a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> does not provide the actual pixmap for the icon as this is out |
| of GIO's scope, however implementations of <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> may contain the name |
| of an icon (see <a class="link" href="GThemedIcon.html" title="GThemedIcon"><span class="type">GThemedIcon</span></a>), or the path to an icon (see <a class="link" href="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a>). </p> |
| <p>To obtain a hash of a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a>, see <a class="link" href="GIcon.html#g-icon-hash" title="g_icon_hash ()"><code class="function">g_icon_hash()</code></a>.</p> |
| <p>To check if two <a href="GIcon.html#GIcon-struct"><span class="type">GIcons</span></a> are equal, see <a class="link" href="GIcon.html#g-icon-equal" title="g_icon_equal ()"><code class="function">g_icon_equal()</code></a>.</p> |
| <p>For serializing a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a>, use <a class="link" href="GIcon.html#g-icon-serialize" title="g_icon_serialize ()"><code class="function">g_icon_serialize()</code></a> and |
| <a class="link" href="GIcon.html#g-icon-deserialize" title="g_icon_deserialize ()"><code class="function">g_icon_deserialize()</code></a>.</p> |
| <p>If you want to consume <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> (for example, in a toolkit) you must |
| be prepared to handle at least the three following cases: |
| <a class="link" href="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a>, <a class="link" href="GThemedIcon.html" title="GThemedIcon"><span class="type">GThemedIcon</span></a> and <a class="link" href="GEmblemedIcon.html" title="GEmblemedIcon"><span class="type">GEmblemedIcon</span></a>. It may also make |
| sense to have fast-paths for other cases (like handling <a href="http://library.gnome.org/devel/gdk-pixbuf/unstable/gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf-struct"><span class="type">GdkPixbuf</span></a> |
| directly, for example) but all compliant <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> implementations |
| outside of GIO must implement <a class="link" href="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a>.</p> |
| <p>If your application or library provides one or more <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> |
| implementations you need to ensure that your new implementation also |
| implements <a class="link" href="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a>. Additionally, you must provide an |
| implementation of <a class="link" href="GIcon.html#g-icon-serialize" title="g_icon_serialize ()"><code class="function">g_icon_serialize()</code></a> that gives a result that is |
| understood by <a class="link" href="GIcon.html#g-icon-deserialize" title="g_icon_deserialize ()"><code class="function">g_icon_deserialize()</code></a>, yielding one of the built-in icon |
| types.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="g-icon-hash"></a><h3>g_icon_hash ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| g_icon_hash (<em class="parameter"><code><a href="../glib-Basic-Types.html#gconstpointer"><span class="type">gconstpointer</span></a> icon</code></em>);</pre> |
| <p>Gets a hash for an icon.</p> |
| <p>Virtual: hash</p> |
| <div class="refsect3"> |
| <a name="g-icon-hash.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>icon</p></td> |
| <td class="parameter_description"><p> <a href="../glib-Basic-Types.html#gconstpointer"><span class="type">gconstpointer</span></a> to an icon object. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL must not be passed as the value in, out, in-out; or as a return value."><span class="acronym">not nullable</span></acronym>]</span></td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-icon-hash.returns"></a><h4>Returns</h4> |
| <p> a <a href="../glib-Basic-Types.html#guint"><span class="type">guint</span></a> containing a hash for the <em class="parameter"><code>icon</code></em> |
| , suitable for |
| use in a <a href="../glib-Hash-Tables.html#GHashTable"><span class="type">GHashTable</span></a> or similar data structure.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-icon-equal"></a><h3>g_icon_equal ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| g_icon_equal (<em class="parameter"><code><a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> *icon1</code></em>, |
| <em class="parameter"><code><a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> *icon2</code></em>);</pre> |
| <p>Checks if two icons are equal.</p> |
| <div class="refsect3"> |
| <a name="g-icon-equal.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>icon1</p></td> |
| <td class="parameter_description"><p> pointer to the first <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a>. </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> |
| <tr> |
| <td class="parameter_name"><p>icon2</p></td> |
| <td class="parameter_description"><p> pointer to the second <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a>. </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="g-icon-equal.returns"></a><h4>Returns</h4> |
| <p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>icon1</code></em> |
| is equal to <em class="parameter"><code>icon2</code></em> |
| . <a href="../glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-icon-to-string"></a><h3>g_icon_to_string ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| g_icon_to_string (<em class="parameter"><code><a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> *icon</code></em>);</pre> |
| <p>Generates a textual representation of <em class="parameter"><code>icon</code></em> |
| that can be used for |
| serialization such as when passing <em class="parameter"><code>icon</code></em> |
| to a different process or |
| saving it to persistent storage. Use <a class="link" href="GIcon.html#g-icon-new-for-string" title="g_icon_new_for_string ()"><code class="function">g_icon_new_for_string()</code></a> to |
| get <em class="parameter"><code>icon</code></em> |
| back from the returned string.</p> |
| <p>The encoding of the returned string is proprietary to <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> except |
| in the following two cases</p> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"><p>If <em class="parameter"><code>icon</code></em> |
| is a <a class="link" href="GFileIcon.html" title="GFileIcon"><span class="type">GFileIcon</span></a>, the returned string is a native path |
| (such as <code class="literal">/path/to/my icon.png</code>) without escaping |
| if the <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> for <em class="parameter"><code>icon</code></em> |
| is a native file. If the file is not |
| native, the returned string is the result of <a class="link" href="GFile.html#g-file-get-uri" title="g_file_get_uri ()"><code class="function">g_file_get_uri()</code></a> |
| (such as <code class="literal">sftp://path/to/my%20icon.png</code>).</p></li> |
| <li class="listitem"><p>If <em class="parameter"><code>icon</code></em> |
| is a <a class="link" href="GThemedIcon.html" title="GThemedIcon"><span class="type">GThemedIcon</span></a> with exactly one name, the encoding is |
| simply the name (such as <code class="literal">network-server</code>).</p></li> |
| </ul></div> |
| <p>Virtual: to_tokens</p> |
| <div class="refsect3"> |
| <a name="g-icon-to-string.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>icon</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-icon-to-string.returns"></a><h4>Returns</h4> |
| <p> An allocated NUL-terminated UTF8 string or |
| <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if <em class="parameter"><code>icon</code></em> |
| can't be serialized. Use <a href="../glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a> to free. </p> |
| <p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="api-index-2-20.html#api-index-2.20">2.20</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-icon-new-for-string"></a><h3>g_icon_new_for_string ()</h3> |
| <pre class="programlisting"><a class="link" href="GIcon.html" title="GIcon"><span class="returnvalue">GIcon</span></a> * |
| g_icon_new_for_string (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *str</code></em>, |
| <em class="parameter"><code><a href="../glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre> |
| <p>Generate a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> instance from <em class="parameter"><code>str</code></em> |
| . This function can fail if |
| <em class="parameter"><code>str</code></em> |
| is not valid - see <a class="link" href="GIcon.html#g-icon-to-string" title="g_icon_to_string ()"><code class="function">g_icon_to_string()</code></a> for discussion.</p> |
| <p>If your application or library provides one or more <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> |
| implementations you need to ensure that each <a href="../gobject-Type-Information.html#GType"><span class="type">GType</span></a> is registered |
| with the type system prior to calling <a class="link" href="GIcon.html#g-icon-new-for-string" title="g_icon_new_for_string ()"><code class="function">g_icon_new_for_string()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="g-icon-new-for-string.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>str</p></td> |
| <td class="parameter_description"><p>A string obtained via <a class="link" href="GIcon.html#g-icon-to-string" title="g_icon_to_string ()"><code class="function">g_icon_to_string()</code></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>error</p></td> |
| <td class="parameter_description"><p>Return location for error.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-icon-new-for-string.returns"></a><h4>Returns</h4> |
| <p> An object implementing the <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> |
| interface or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if <em class="parameter"><code>error</code></em> |
| is set. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="api-index-2-20.html#api-index-2.20">2.20</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-icon-serialize"></a><h3>g_icon_serialize ()</h3> |
| <pre class="programlisting"><a href="../glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * |
| g_icon_serialize (<em class="parameter"><code><a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> *icon</code></em>);</pre> |
| <p>Serializes a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> into a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>. An equivalent <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> can be retrieved |
| back by calling <a class="link" href="GIcon.html#g-icon-deserialize" title="g_icon_deserialize ()"><code class="function">g_icon_deserialize()</code></a> on the returned value. |
| As serialization will avoid using raw icon data when possible, it only |
| makes sense to transfer the <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> between processes on the same machine, |
| (as opposed to over the network), and within the same file system namespace.</p> |
| <div class="refsect3"> |
| <a name="g-icon-serialize.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>icon</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-icon-serialize.returns"></a><h4>Returns</h4> |
| <p> a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> when serialization fails. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="api-index-2-38.html#api-index-2.38">2.38</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-icon-deserialize"></a><h3>g_icon_deserialize ()</h3> |
| <pre class="programlisting"><a class="link" href="GIcon.html" title="GIcon"><span class="returnvalue">GIcon</span></a> * |
| g_icon_deserialize (<em class="parameter"><code><a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *value</code></em>);</pre> |
| <p>Deserializes a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> previously serialized using <a class="link" href="GIcon.html#g-icon-serialize" title="g_icon_serialize ()"><code class="function">g_icon_serialize()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="g-icon-deserialize.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>value</p></td> |
| <td class="parameter_description"><p>a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> created with <a class="link" href="GIcon.html#g-icon-serialize" title="g_icon_serialize ()"><code class="function">g_icon_serialize()</code></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-icon-deserialize.returns"></a><h4>Returns</h4> |
| <p> a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a>, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> when deserialization fails. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="api-index-2-38.html#api-index-2.38">2.38</a></p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="GIcon.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GIcon-struct"></a><h3>GIcon</h3> |
| <pre class="programlisting">typedef struct _GIcon GIcon;</pre> |
| <p>An abstract type that specifies an icon.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GIconIface"></a><h3>struct GIconIface</h3> |
| <pre class="programlisting">struct GIconIface { |
| GTypeInterface g_iface; |
| |
| /* Virtual Table */ |
| |
| guint (* hash) (GIcon *icon); |
| gboolean (* equal) (GIcon *icon1, |
| GIcon *icon2); |
| gboolean (* to_tokens) (GIcon *icon, |
| GPtrArray *tokens, |
| gint *out_version); |
| GIcon * (* from_tokens) (gchar **tokens, |
| gint num_tokens, |
| gint version, |
| GError **error); |
| |
| GVariant * (* serialize) (GIcon *icon); |
| }; |
| </pre> |
| <p>GIconIface is used to implement GIcon types for various |
| different systems. See <a class="link" href="GThemedIcon.html" title="GThemedIcon"><span class="type">GThemedIcon</span></a> and <a class="link" href="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a> for |
| examples of how to implement this interface.</p> |
| <div class="refsect3"> |
| <a name="GIconIface.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="GIconIface.hash"></a>hash</code></em> ()</p></td> |
| <td class="struct_member_description"><p>A hash for a given <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a>.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GIconIface.equal"></a>equal</code></em> ()</p></td> |
| <td class="struct_member_description"><p>Checks if two <a href="GIcon.html#GIcon-struct"><span class="type">GIcons</span></a> are equal.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GIconIface.to-tokens"></a>to_tokens</code></em> ()</p></td> |
| <td class="struct_member_description"><p>Serializes a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> into tokens. The tokens must not |
| contain any whitespace. Don't implement if the <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> can't be |
| serialized (Since 2.20).</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GIconIface.from-tokens"></a>from_tokens</code></em> ()</p></td> |
| <td class="struct_member_description"><p>Constructs a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> from tokens. Set the <a href="../glib-Error-Reporting.html#GError"><span class="type">GError</span></a> if |
| the tokens are malformed. Don't implement if the <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> can't be |
| serialized (Since 2.20).</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GIconIface.serialize"></a>serialize</code></em> ()</p></td> |
| <td class="struct_member_description"><p>Serializes a <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> into a <a href="../glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>. Since: 2.38</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| </div> |
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