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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>gnome-url</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"><link rel="start" href="index.html" title="GNOME Library Reference Manual"><link rel="up" href="ch01s03.html" title="Displaying help and external info"><link rel="prev" href="libgnome-gnome-help.html" title="gnome-help"><link rel="next" href="libgnome-gnome-score.html" title="gnome-score"><meta name="generator" content="GTK-Doc V1.7 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="chapter" href="libgnome.html" title="GNOME Library (libgnome)"></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="libgnome-gnome-help.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="ch01s03.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">GNOME Library Reference Manual</th><td><a accesskey="n" href="libgnome-gnome-score.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="#id2819442" class="shortcut">Top</a>  |  <a href="#id2819537" class="shortcut">Description</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="libgnome-gnome-url"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id2819442"></a><span class="refentrytitle">gnome-url</span></h2><p>gnome-url — Display urls using appropriate viewers.</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <libgnome/libgnome.h>enum <a href="libgnome-gnome-url.html#GnomeURLError">GnomeURLError</a>;#define <a href="libgnome-gnome-url.html#GNOME-URL-ERROR:CAPS">GNOME_URL_ERROR</a><ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="libgnome-gnome-url.html#gnome-url-show">gnome_url_show</a> (const char *url, <ahref="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError">GError</a> **error);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a href="libgnome-gnome-url.html#gnome-url-show-with-env">gnome_url_show_with_env</a> (const char *url, char **envp, <ahref="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError">GError</a> **error);</pre></div><div class="refsect1" lang="en"><a name="id2819537"></a><h2>Description</h2><p>A GNOME user can configure which viewers they wish to use to view certainprotocols. Protocols can include http, ftp (where "view" might mean"download"), ghelp, etc. This module provides a means for application todisplay a url without having to worry about which viewer is going to ultimatelyhandle the job.</p></div><div class="refsect1" lang="en"><a name="id2819557"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id2819567"></a><h3><a name="GnomeURLError"></a>enum GnomeURLError</h3><a class="indexterm" name="id2819580"></a><pre class="programlisting">typedef enum { GNOME_URL_ERROR_PARSE, GNOME_URL_ERROR_LAUNCH, GNOME_URL_ERROR_URL, GNOME_URL_ERROR_NO_DEFAULT, GNOME_URL_ERROR_NOT_SUPPORTED, GNOME_URL_ERROR_VFS, GNOME_URL_ERROR_CANCELLED} GnomeURLError;</pre><p>The errors that can be returned due to bad parameters being pass to<a href="libgnome-gnome-url.html#gnome-url-show"><code class="function">gnome_url_show()</code></a>.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><a name="GNOME-URL-ERROR-PARSE:CAPS"></a><code class="literal">GNOME_URL_ERROR_PARSE</code></span></td><td> The parsing of the handler failed.</td></tr><tr><td><span class="term"><a name="GNOME-URL-ERROR-LAUNCH:CAPS"></a><code class="literal">GNOME_URL_ERROR_LAUNCH</code></span></td><td></td></tr><tr><td><span class="term"><a name="GNOME-URL-ERROR-URL:CAPS"></a><code class="literal">GNOME_URL_ERROR_URL</code></span></td><td></td></tr><tr><td><span class="term"><a name="GNOME-URL-ERROR-NO-DEFAULT:CAPS"></a><code class="literal">GNOME_URL_ERROR_NO_DEFAULT</code></span></td><td></td></tr><tr><td><span class="term"><a name="GNOME-URL-ERROR-NOT-SUPPORTED:CAPS"></a><code class="literal">GNOME_URL_ERROR_NOT_SUPPORTED</code></span></td><td></td></tr><tr><td><span class="term"><a name="GNOME-URL-ERROR-VFS:CAPS"></a><code class="literal">GNOME_URL_ERROR_VFS</code></span></td><td></td></tr><tr><td><span class="term"><a name="GNOME-URL-ERROR-CANCELLED:CAPS"></a><code class="literal">GNOME_URL_ERROR_CANCELLED</code></span></td><td></td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2819774"></a><h3><a name="GNOME-URL-ERROR:CAPS"></a>GNOME_URL_ERROR</h3><a class="indexterm" name="id2819788"></a><pre class="programlisting">#define GNOME_URL_ERROR (gnome_url_error_quark ())</pre><p>The class (domain) of errors raised by this module.</p></div><hr><div class="refsect2" lang="en"><a name="id2819804"></a><h3><a name="gnome-url-show"></a>gnome_url_show ()</h3><a class="indexterm" name="id2819817"></a><pre class="programlisting"><ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> gnome_url_show (const char *url, <ahref="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError">GError</a> **error);</pre><p>Once the input has been converted into a fully qualified url this functioncalls gnome_vfs_url_show. Any error codes returned by gnome-vfs will be wrappedin the error parameter. All errors comes from the <a href="libgnome-gnome-url.html#GNOME-URL-ERROR:CAPS"><code class="literal">GNOME_URL_ERROR</code></a>% domain.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><em class="parameter"><code>url</code></em> :</span></td><td> The url or path to display. The path can be relative to the current workingdirectory or the user's home directory. This function will convert it into a fullyqualified url using the gnome_url_get_from_input function.</td></tr><tr><td><span class="term"><em class="parameter"><code>error</code></em> :</span></td><td> Used to store any errors that result from trying to display the <em class="parameter"><code>url</code></em>.</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> <ahref="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if everything went fine, <ahref="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise (in which case<em class="parameter"><code>error</code></em> will contain the actual error).</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2819948"></a><h3><a name="gnome-url-show-with-env"></a>gnome_url_show_with_env ()</h3><a class="indexterm" name="id2819964"></a><pre class="programlisting"><ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> gnome_url_show_with_env (const char *url, char **envp, <ahref="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError">GError</a> **error);</pre><p>Like <a href="libgnome-gnome-url.html#gnome-url-show"><code class="function">gnome_url_show()</code></a>, but gnome_vfs_url_show_with_envwill be called with the given envirnoment.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><em class="parameter"><code>url</code></em> :</span></td><td> The url or path to display.</td></tr><tr><td><span class="term"><em class="parameter"><code>envp</code></em> :</span></td><td> child's environment, or <ahref="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"><code class="literal">NULL</code></a> to inherit parent's.</td></tr><tr><td><span class="term"><em class="parameter"><code>error</code></em> :</span></td><td> Used to store any errors that result from trying to display the <em class="parameter"><code>url</code></em>.</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> <ahref="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if everything went fine, <ahref="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise (in which case<em class="parameter"><code>error</code></em> will contain the actual error).</td></tr></tbody></table></div><p>Since 2.2</p></div></div></div></body></html>⌨️ 快捷键说明
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