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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>Libfm Reference Manual: FmFile</title>
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<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 
                  <a href="#FmFile.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 
                  <a href="#FmFile.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_prerequisites"> <span class="dim">|</span> 
                  <a href="#FmFile.prerequisites" class="shortcut">Prerequisites</a></span>
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<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="libfm-core.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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</tr></table>
<div class="refentry">
<a name="FmFile"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="FmFile.top_of_page"></a>FmFile</span></h2>
<p>FmFile — Extensions for GFile interface.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="FmFile.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="FmFile.html#fm-file-add-vfs" title="fm_file_add_vfs ()">fm_file_add_vfs</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="returnvalue">GFile</span></a> *
</td>
<td class="function_name">
<a class="link" href="FmFile.html#fm-file-new-for-commandline-arg" title="fm_file_new_for_commandline_arg ()">fm_file_new_for_commandline_arg</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="returnvalue">GFile</span></a> *
</td>
<td class="function_name">
<a class="link" href="FmFile.html#fm-file-new-for-uri" title="fm_file_new_for_uri ()">fm_file_new_for_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="FmFile.html#fm-file-wants-incremental" title="fm_file_wants_incremental ()">fm_file_wants_incremental</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="FmFile.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table 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="FmFile.html#FmFile-struct" title="FmFile">FmFile</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="FmFile.html#FmFileInitTable" title="struct FmFileInitTable">FmFileInitTable</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="FmFile.html#FmFileInterface" title="struct FmFileInterface">FmFileInterface</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="FmFile.html#FM-MODULE-vfs-VERSION" title="FM_MODULE_vfs_VERSION">FM_MODULE_vfs_VERSION</a></td>
</tr>
<tr>
<td class="variable_type">extern FmFileInitTable </td>
<td class="function_name"><a class="link" href="FmFile.html#fm-module-init-vfs" title="fm_module_init_vfs">fm_module_init_vfs</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="FmFile.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GInterface
    <span class="lineart">╰──</span> FmFile
</pre>
</div>
<div class="refsect1">
<a name="FmFile.prerequisites"></a><h2>Prerequisites</h2>
<p>
FmFile requires
 <a href="/usr/share/gtk-doc/html/gio/GFile.html">GFile</a> and  <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>.</p>
</div>
<div class="refsect1">
<a name="FmFile.description"></a><h2>Description</h2>
<p><em class="parameter"><code>include</code></em>
: libfm/fm.h</p>
<p>The <a class="link" href="FmFile.html" title="FmFile"><span class="type">FmFile</span></a> represents interface to build extensions to GFile which
will handle schemas that are absent in Glib/GVFS - such as "search:".</p>
<p>To use it the GFile implementation should also implement FmFile vtable
calls. The implementation should be added to list of known schemes via
call to <a class="link" href="FmFile.html#fm-file-add-vfs" title="fm_file_add_vfs ()"><code class="function">fm_file_add_vfs()</code></a> then calls such as <a class="link" href="FmFile.html#fm-file-new-for-uri" title="fm_file_new_for_uri ()"><code class="function">fm_file_new_for_uri()</code></a> can
use it.</p>
</div>
<div class="refsect1">
<a name="FmFile.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="fm-file-add-vfs"></a><h3>fm_file_add_vfs ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
fm_file_add_vfs (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
                 <em class="parameter"><code><a class="link" href="FmFile.html#FmFileInitTable" title="struct FmFileInitTable"><span class="type">FmFileInitTable</span></a> *init</code></em>);</pre>
<p>Adds VFS to list of extensions that will be applied on next call to
<a class="link" href="FmFile.html#fm-file-new-for-uri" title="fm_file_new_for_uri ()"><code class="function">fm_file_new_for_uri()</code></a> or <a class="link" href="FmFile.html#fm-file-new-for-commandline-arg" title="fm_file_new_for_commandline_arg ()"><code class="function">fm_file_new_for_commandline_arg()</code></a>. The <em class="parameter"><code>name</code></em>

is a schema which will be handled by those calls.</p>
<div class="refsect3">
<a name="id-1.2.3.8.8.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>name</p></td>
<td class="parameter_description"><p>scheme to act upon</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>init</p></td>
<td class="parameter_description"><p>table of functions</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since 1.0.2</p>
</div>
<hr>
<div class="refsect2">
<a name="fm-file-new-for-commandline-arg"></a><h3>fm_file_new_for_commandline_arg ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="returnvalue">GFile</span></a> *
fm_file_new_for_commandline_arg (<em class="parameter"><code>const <span class="type">char</span> *arg</code></em>);</pre>
<p>Creates a <a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="type">GFile</span></a> with the given argument from the command line.
The value of <em class="parameter"><code>arg</code></em>
 can be either a URI, an absolute path or
a relative path resolved relative to the current working directory.
This operation never fails, but the returned object might not support
any I/O operation if <em class="parameter"><code>arg</code></em>
 points to a malformed path.</p>
<div class="refsect3">
<a name="id-1.2.3.8.8.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>arg</p></td>
<td class="parameter_description"><p>a command line string</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.3.8.8.3.6"></a><h4>Returns</h4>
<p> a new <a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="type">GFile</span></a>.</p>
<p></p>
</div>
<p class="since">Since 1.0.2</p>
</div>
<hr>
<div class="refsect2">
<a name="fm-file-new-for-uri"></a><h3>fm_file_new_for_uri ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="returnvalue">GFile</span></a> *
fm_file_new_for_uri (<em class="parameter"><code>const <span class="type">char</span> *uri</code></em>);</pre>
<p>Constructs a <a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="type">GFile</span></a> for a given URI. This operation never fails,
but the returned object might not support any I/O operation if <em class="parameter"><code>uri</code></em>

is malformed or if the uri type is not supported.</p>
<div class="refsect3">
<a name="id-1.2.3.8.8.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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 UTF8 string containing a URI</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.3.8.8.4.6"></a><h4>Returns</h4>
<p> a new <a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="type">GFile</span></a>.</p>
<p></p>
</div>
<p class="since">Since 1.0.2</p>
</div>
<hr>
<div class="refsect2">
<a name="fm-file-wants-incremental"></a><h3>fm_file_wants_incremental ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
fm_file_wants_incremental (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="type">GFile</span></a> *file</code></em>);</pre>
<p>Checks if contents of directory <em class="parameter"><code>file</code></em>
 cannot be retrieved at once so
scanning it may be done in incremental manner for the best results.</p>
<div class="refsect3">
<a name="id-1.2.3.8.8.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>file</p></td>
<td class="parameter_description"><p>file to inspect</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.3.8.8.5.6"></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 retrieve of contents of <em class="parameter"><code>file</code></em>
will be incremental.</p>
<p></p>
</div>
<p class="since">Since 1.0.2</p>
</div>
</div>
<div class="refsect1">
<a name="FmFile.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="FmFile-struct"></a><h3>FmFile</h3>
<pre class="programlisting">typedef struct _FmFile FmFile;</pre>
</div>
<hr>
<div class="refsect2">
<a name="FmFileInitTable"></a><h3>struct FmFileInitTable</h3>
<pre class="programlisting">struct FmFileInitTable {
    GFile * (*new_for_uri)(const char *uri);
};
</pre>
<p>Functions to initialize FmFile instance.</p>
<p>This structure is used for "vfs" module initialization. The key for
module of this type is scheme name to support.</p>
<div class="refsect3">
<a name="id-1.2.3.8.9.3.6"></a><h4>Members</h4>
<div class="informaltable"><table 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="FmFileInitTable.new-for-uri"></a>new_for_uri</code></em> ()</p></td>
<td class="struct_member_description"><p>function to create new <a href="/usr/share/gtk-doc/html/gio/GFile.html"><span class="type">GFile</span></a> object from URI</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="FmFileInterface"></a><h3>struct FmFileInterface</h3>
<pre class="programlisting">struct FmFileInterface {
    gboolean (*wants_incremental)(GFile* file);
};
</pre>
<div class="refsect3">
<a name="id-1.2.3.8.9.4.4"></a><h4>Members</h4>
<div class="informaltable"><table 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="FmFileInterface.wants-incremental"></a>wants_incremental</code></em> ()</p></td>
<td class="struct_member_description"><p>VTable func, see <a class="link" href="FmFile.html#fm-file-wants-incremental" title="fm_file_wants_incremental ()"><code class="function">fm_file_wants_incremental()</code></a></p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="FM-MODULE-vfs-VERSION"></a><h3>FM_MODULE_vfs_VERSION</h3>
<pre class="programlisting">#define FM_MODULE_vfs_VERSION 1
</pre>
</div>
<hr>
<div class="refsect2">
<a name="fm-module-init-vfs"></a><h3>fm_module_init_vfs</h3>
<pre class="programlisting">extern FmFileInitTable fm_module_init_vfs;
</pre>
</div>
</div>
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