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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=US-ASCII"><title>GLoadableIcon</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GIO Reference Manual"><link rel="up" href="icons.html" title="Icons"><link rel="prev" href="GFileIcon.html" title="GFileIcon"><link rel="next" href="GThemedIcon.html" title="GThemedIcon"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="pt01.html" title="Part I. GIO Overview"><link rel="chapter" href="ch01.html" title="Introduction"><link rel="chapter" href="ch02.html" title="Compiling GIO applications"><link rel="chapter" href="ch03.html" title="Running GIO applications"><link rel="chapter" href="gio-extension-points.html" title="Extending GIO"><link rel="part" href="pt02.html" title="Part II. API Reference"><link rel="chapter" href="file_ops.html" title="File Operations"><link rel="chapter" href="file_mon.html" title="File System Monitoring"><link rel="chapter" href="async.html" title="Asynchronous I/O"><link rel="chapter" href="streaming.html" title="Streaming I/O"><link rel="chapter" href="types.html" title="File types and applications"><link rel="chapter" href="volume_mon.html" title="Volumes and Drives"><link rel="chapter" href="icons.html" title="Icons"><link rel="chapter" href="utils.html" title="Utilities"><link rel="chapter" href="extending.html" title="Extending GIO"><link rel="part" href="migrating.html" title="Part III. Migrating to GIO"><link rel="chapter" href="ch14.html" title="Migrating from POSIX to GIO"><link rel="chapter" href="ch15.html" title="Migrating from GnomeVFS to GIO"><link rel="chapter" href="gio-hierarchy.html" title="Object Hierarchy"><link rel="index" href="ix01.html" title="Index"></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="2"><tr valign="middle"><td><a accesskey="p" href="GFileIcon.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="icons.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GIO Reference Manual</th><td><a accesskey="n" href="GThemedIcon.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#id3120119" class="shortcut">Top</a>  |  <a href="#id3213970" class="shortcut">Description</a>  |  <a href="#id3215307" class="shortcut">Object Hierarchy</a>  |  <a href="#id3215331" class="shortcut">Prerequisites</a>  |  <a href="#id3215359" class="shortcut">Known Implementations</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GLoadableIcon"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3120119"></a><span class="refentrytitle">GLoadableIcon</span></h2><p>GLoadableIcon — Loadable Icons</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <gio/gio.h> <a class="link" href="GLoadableIcon.html#GLoadableIcon-struct">GLoadableIcon</a>; <a class="link" href="GLoadableIcon.html#GLoadableIconIface">GLoadableIconIface</a>;<a class="link" href="GInputStream.html" title="GInputStream">GInputStream</a>* <a class="link" href="GLoadableIcon.html#g-loadable-icon-load">g_loadable_icon_load</a> (<a class="link" href="GLoadableIcon.html" title="GLoadableIcon">GLoadableIcon</a> *icon, int size, char **type, <a class="link" href="GCancellable.html" title="GCancellable">GCancellable</a> *cancellable, <ahref="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError">GError</a> **error);void <a class="link" href="GLoadableIcon.html#g-loadable-icon-load-async">g_loadable_icon_load_async</a> (<a class="link" href="GLoadableIcon.html" title="GLoadableIcon">GLoadableIcon</a> *icon, int size, <a class="link" href="GCancellable.html" title="GCancellable">GCancellable</a> *cancellable, <a class="link" href="GAsyncResult.html#GAsyncReadyCallback">GAsyncReadyCallback</a> callback, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer">gpointer</a> user_data);<a class="link" href="GInputStream.html" title="GInputStream">GInputStream</a>* <a class="link" href="GLoadableIcon.html#g-loadable-icon-load-finish">g_loadable_icon_load_finish</a> (<a class="link" href="GLoadableIcon.html" title="GLoadableIcon">GLoadableIcon</a> *icon, <a class="link" href="GAsyncResult.html" title="GAsyncResult">GAsyncResult</a> *res, char **type, <ahref="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError">GError</a> **error);</pre></div><div class="refsect1" lang="en"><a name="id3215307"></a><h2>Object Hierarchy</h2><pre class="synopsis"> GInterface +----GLoadableIcon</pre></div><div class="refsect1" lang="en"><a name="id3215331"></a><h2>Prerequisites</h2><p>GLoadableIcon requires <a class="link" href="GIcon.html" title="GIcon">GIcon</a> and <ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>.</p></div><div class="refsect1" lang="en"><a name="id3215359"></a><h2>Known Implementations</h2><p>GLoadableIcon is implemented by <a class="link" href="GFileIcon.html" title="GFileIcon">GFileIcon</a>.</p></div><div class="refsect1" lang="en"><a name="id3213970"></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><p></p></div><div class="refsect1" lang="en"><a name="id3213997"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3214008"></a><h3><a name="GLoadableIcon-struct"></a>GLoadableIcon</h3><a class="indexterm" name="id3214020"></a><pre class="programlisting">typedef struct _GLoadableIcon GLoadableIcon;</pre><p>Generic type for all kinds of icons that can be loaded as a stream.</p><p></p></div><hr><div class="refsect2" lang="en"><a name="id3214041"></a><h3><a name="GLoadableIconIface"></a>GLoadableIconIface</h3><a class="indexterm" name="id3214053"></a><pre class="programlisting">typedef struct { 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);} GLoadableIconIface;</pre><p>Interface for icons that can be loaded as a stream.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><ahref="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GTypeInterface">GTypeInterface</a> <em class="structfield"><code>g_iface</code></em>;</span></p></td><td> The parent interface.</td></tr><tr><td><p><span class="term"><em class="structfield"><code>load</code></em> ()</span></p></td><td> Loads an icon.</td></tr><tr><td><p><span class="term"><em class="structfield"><code>load_async</code></em> ()</span></p></td><td> Loads an icon asynchronously.</td>⌨️ 快捷键说明
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