| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>GLoadableIcon: GIO Reference Manual</title> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> |
| <link rel="home" href="index.html" title="GIO Reference Manual"> |
| <link rel="up" href="icons.html" title="Icons"> |
| <link rel="prev" href="GBytesIcon.html" title="GBytesIcon"> |
| <link rel="next" href="GThemedIcon.html" title="GThemedIcon"> |
| <meta name="generator" content="GTK-Doc V1.25.1 (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="#GLoadableIcon.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> |
| <a href="#GLoadableIcon.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_prerequisites"> <span class="dim">|</span> |
| <a href="#GLoadableIcon.prerequisites" class="shortcut">Prerequisites</a></span><span id="nav_implementations"> <span class="dim">|</span> |
| <a href="#GLoadableIcon.implementations" class="shortcut">Known Implementations</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="icons.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> |
| <td><a accesskey="p" href="GBytesIcon.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> |
| <td><a accesskey="n" href="GThemedIcon.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> |
| </tr></table> |
| <div class="refentry"> |
| <a name="GLoadableIcon"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="GLoadableIcon.top_of_page"></a>GLoadableIcon</span></h2> |
| <p>GLoadableIcon — Loadable Icons</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.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 class="link" href="GInputStream.html" title="GInputStream"><span class="returnvalue">GInputStream</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GLoadableIcon.html#g-loadable-icon-load" title="g_loadable_icon_load ()">g_loadable_icon_load</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="GLoadableIcon.html#g-loadable-icon-load-async" title="g_loadable_icon_load_async ()">g_loadable_icon_load_async</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GInputStream.html" title="GInputStream"><span class="returnvalue">GInputStream</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GLoadableIcon.html#g-loadable-icon-load-finish" title="g_loadable_icon_load_finish ()">g_loadable_icon_load_finish</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.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="GLoadableIcon.html#GLoadableIcon-struct" title="GLoadableIcon">GLoadableIcon</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="GLoadableIcon.html#GLoadableIconIface" title="struct GLoadableIconIface">GLoadableIconIface</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.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> GLoadableIcon |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.prerequisites"></a><h2>Prerequisites</h2> |
| <p> |
| GLoadableIcon requires |
| <a class="link" href="GIcon.html" title="GIcon">GIcon</a> and <a href="../gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.implementations"></a><h2>Known Implementations</h2> |
| <p> |
| GLoadableIcon is implemented by |
| <a class="link" href="GBytesIcon.html" title="GBytesIcon">GBytesIcon</a> and <a class="link" href="GFileIcon.html" title="GFileIcon">GFileIcon</a>.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gio/gio.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.description"></a><h2>Description</h2> |
| <p>Extends the <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> interface and adds the ability to |
| load icons from streams.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="g-loadable-icon-load"></a><h3>g_loadable_icon_load ()</h3> |
| <pre class="programlisting"><a class="link" href="GInputStream.html" title="GInputStream"><span class="returnvalue">GInputStream</span></a> * |
| g_loadable_icon_load (<em class="parameter"><code><a class="link" href="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a> *icon</code></em>, |
| <em class="parameter"><code><span class="type">int</span> size</code></em>, |
| <em class="parameter"><code><span class="type">char</span> **type</code></em>, |
| <em class="parameter"><code><a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> *cancellable</code></em>, |
| <em class="parameter"><code><a href="../glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre> |
| <p>Loads a loadable icon. For the asynchronous version of this function, |
| see <a class="link" href="GLoadableIcon.html#g-loadable-icon-load-async" title="g_loadable_icon_load_async ()"><code class="function">g_loadable_icon_load_async()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="g-loadable-icon-load.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="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>size</p></td> |
| <td class="parameter_description"><p>an integer.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>type</p></td> |
| <td class="parameter_description"><p> a location to store the type of the loaded |
| icon, <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to ignore. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>cancellable</p></td> |
| <td class="parameter_description"><p> optional <a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> object, <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to |
| ignore. </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>error</p></td> |
| <td class="parameter_description"><p>a <a href="../glib-Error-Reporting.html#GError"><span class="type">GError</span></a> location to store the error occurring, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> |
| to ignore.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-loadable-icon-load.returns"></a><h4>Returns</h4> |
| <p> a <a class="link" href="GInputStream.html" title="GInputStream"><span class="type">GInputStream</span></a> to read the icon from. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-loadable-icon-load-async"></a><h3>g_loadable_icon_load_async ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| g_loadable_icon_load_async (<em class="parameter"><code><a class="link" href="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a> *icon</code></em>, |
| <em class="parameter"><code><span class="type">int</span> size</code></em>, |
| <em class="parameter"><code><a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> *cancellable</code></em>, |
| <em class="parameter"><code><a class="link" href="GAsyncResult.html#GAsyncReadyCallback" title="GAsyncReadyCallback ()"><span class="type">GAsyncReadyCallback</span></a> callback</code></em>, |
| <em class="parameter"><code><a href="../glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> |
| <p>Loads an icon asynchronously. To finish this function, see |
| <a class="link" href="GLoadableIcon.html#g-loadable-icon-load-finish" title="g_loadable_icon_load_finish ()"><code class="function">g_loadable_icon_load_finish()</code></a>. For the synchronous, blocking |
| version of this function, see <a class="link" href="GLoadableIcon.html#g-loadable-icon-load" title="g_loadable_icon_load ()"><code class="function">g_loadable_icon_load()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="g-loadable-icon-load-async.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="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>size</p></td> |
| <td class="parameter_description"><p>an integer.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>cancellable</p></td> |
| <td class="parameter_description"><p> optional <a class="link" href="GCancellable.html" title="GCancellable"><span class="type">GCancellable</span></a> object, <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to ignore. </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>callback</p></td> |
| <td class="parameter_description"><p> a <a class="link" href="GAsyncResult.html#GAsyncReadyCallback" title="GAsyncReadyCallback ()"><span class="type">GAsyncReadyCallback</span></a> to call when the |
| request is satisfied. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid until first called."><span class="acronym">scope async</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>user_data</p></td> |
| <td class="parameter_description"><p> the data to pass to callback function. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-loadable-icon-load-finish"></a><h3>g_loadable_icon_load_finish ()</h3> |
| <pre class="programlisting"><a class="link" href="GInputStream.html" title="GInputStream"><span class="returnvalue">GInputStream</span></a> * |
| g_loadable_icon_load_finish (<em class="parameter"><code><a class="link" href="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a> *icon</code></em>, |
| <em class="parameter"><code><a class="link" href="GAsyncResult.html" title="GAsyncResult"><span class="type">GAsyncResult</span></a> *res</code></em>, |
| <em class="parameter"><code><span class="type">char</span> **type</code></em>, |
| <em class="parameter"><code><a href="../glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre> |
| <p>Finishes an asynchronous icon load started in <a class="link" href="GLoadableIcon.html#g-loadable-icon-load-async" title="g_loadable_icon_load_async ()"><code class="function">g_loadable_icon_load_async()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="g-loadable-icon-load-finish.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="GLoadableIcon.html" title="GLoadableIcon"><span class="type">GLoadableIcon</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>res</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GAsyncResult.html" title="GAsyncResult"><span class="type">GAsyncResult</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>type</p></td> |
| <td class="parameter_description"><p> a location to store the type of the loaded |
| icon, <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to ignore. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>error</p></td> |
| <td class="parameter_description"><p>a <a href="../glib-Error-Reporting.html#GError"><span class="type">GError</span></a> location to store the error occurring, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to |
| ignore.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-loadable-icon-load-finish.returns"></a><h4>Returns</h4> |
| <p> a <a class="link" href="GInputStream.html" title="GInputStream"><span class="type">GInputStream</span></a> to read the icon from. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GLoadableIcon-struct"></a><h3>GLoadableIcon</h3> |
| <pre class="programlisting">typedef struct _GLoadableIcon GLoadableIcon;</pre> |
| <p>Generic type for all kinds of icons that can be loaded |
| as a stream.</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GLoadableIconIface"></a><h3>struct GLoadableIconIface</h3> |
| <pre class="programlisting">struct GLoadableIconIface { |
| GTypeInterface g_iface; |
| |
| /* Virtual Table */ |
| |
| GInputStream * (* load) (GLoadableIcon *icon, |
| int size, |
| char **type, |
| GCancellable *cancellable, |
| GError **error); |
| void (* load_async) (GLoadableIcon *icon, |
| int size, |
| GCancellable *cancellable, |
| GAsyncReadyCallback callback, |
| gpointer user_data); |
| GInputStream * (* load_finish) (GLoadableIcon *icon, |
| GAsyncResult *res, |
| char **type, |
| GError **error); |
| }; |
| </pre> |
| <p>Interface for icons that can be loaded as a stream.</p> |
| <div class="refsect3"> |
| <a name="GLoadableIconIface.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="GLoadableIconIface.load"></a>load</code></em> ()</p></td> |
| <td class="struct_member_description"><p>Loads an icon.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GLoadableIconIface.load-async"></a>load_async</code></em> ()</p></td> |
| <td class="struct_member_description"><p>Loads an icon asynchronously.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GLoadableIconIface.load-finish"></a>load_finish</code></em> ()</p></td> |
| <td class="struct_member_description"><p>Finishes an asynchronous icon load.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="GLoadableIcon.see-also"></a><h2>See Also</h2> |
| <p><a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a>, <a class="link" href="GThemedIcon.html" title="GThemedIcon"><span class="type">GThemedIcon</span></a></p> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.25.1</div> |
| </body> |
| </html> |
