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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>GtkFileFilter: GTK+ 3 Reference Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="GTK+ 3 Reference Manual"> <link rel="up" href="SelectorWidgets.html" title="Selector Widgets and Dialogs"> <link rel="prev" href="GtkFileChooserWidget.html" title="GtkFileChooserWidget"> <link rel="next" href="GtkFontChooser.html" title="GtkFontChooser"> <meta name="generator" content="GTK-Doc V1.32 (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="#GtkFileFilter.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> <a href="#GtkFileFilter.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span> <a href="#GtkFileFilter.implemented-interfaces" class="shortcut">Implemented Interfaces</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="SelectorWidgets.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="GtkFileChooserWidget.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="GtkFontChooser.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="GtkFileFilter"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="GtkFileFilter.top_of_page"></a>GtkFileFilter</span></h2> <p>GtkFileFilter — A filter for selecting a file subset</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="GtkFileFilter.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <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"> <span class="c_punctuation">(</span><a class="link" href="GtkFileFilter.html#GtkFileFilterFunc" title="GtkFileFilterFunc ()">*GtkFileFilterFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="returnvalue">GtkFileFilter</span></a> * </td> <td class="function_name"> <a class="link" href="GtkFileFilter.html#gtk-file-filter-new" title="gtk_file_filter_new ()">gtk_file_filter_new</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="GtkFileFilter.html#gtk-file-filter-set-name" title="gtk_file_filter_set_name ()">gtk_file_filter_set_name</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * </td> <td class="function_name"> <a class="link" href="GtkFileFilter.html#gtk-file-filter-get-name" title="gtk_file_filter_get_name ()">gtk_file_filter_get_name</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="GtkFileFilter.html#gtk-file-filter-add-mime-type" title="gtk_file_filter_add_mime_type ()">gtk_file_filter_add_mime_type</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="GtkFileFilter.html#gtk-file-filter-add-pattern" title="gtk_file_filter_add_pattern ()">gtk_file_filter_add_pattern</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="GtkFileFilter.html#gtk-file-filter-add-pixbuf-formats" title="gtk_file_filter_add_pixbuf_formats ()">gtk_file_filter_add_pixbuf_formats</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="GtkFileFilter.html#gtk-file-filter-add-custom" title="gtk_file_filter_add_custom ()">gtk_file_filter_add_custom</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GtkFileFilter.html#GtkFileFilterFlags" title="enum GtkFileFilterFlags"><span class="returnvalue">GtkFileFilterFlags</span></a> </td> <td class="function_name"> <a class="link" href="GtkFileFilter.html#gtk-file-filter-get-needed" title="gtk_file_filter_get_needed ()">gtk_file_filter_get_needed</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="GtkFileFilter.html#gtk-file-filter-filter" title="gtk_file_filter_filter ()">gtk_file_filter_filter</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="returnvalue">GtkFileFilter</span></a> * </td> <td class="function_name"> <a class="link" href="GtkFileFilter.html#gtk-file-filter-new-from-gvariant" title="gtk_file_filter_new_from_gvariant ()">gtk_file_filter_new_from_gvariant</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * </td> <td class="function_name"> <a class="link" href="GtkFileFilter.html#gtk-file-filter-to-gvariant" title="gtk_file_filter_to_gvariant ()">gtk_file_filter_to_gvariant</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GtkFileFilter.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody> <tr> <td class="datatype_keyword"> </td> <td class="function_name"><a class="link" href="GtkFileFilter.html#GtkFileFilter-struct" title="GtkFileFilter">GtkFileFilter</a></td> </tr> <tr> <td class="datatype_keyword">struct</td> <td class="function_name"><a class="link" href="GtkFileFilter.html#GtkFileFilterInfo" title="struct GtkFileFilterInfo">GtkFileFilterInfo</a></td> </tr> <tr> <td class="datatype_keyword">enum</td> <td class="function_name"><a class="link" href="GtkFileFilter.html#GtkFileFilterFlags" title="enum GtkFileFilterFlags">GtkFileFilterFlags</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GtkFileFilter.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> <span class="lineart">╰──</span> GtkFileFilter </pre> </div> <div class="refsect1"> <a name="GtkFileFilter.implemented-interfaces"></a><h2>Implemented Interfaces</h2> <p> GtkFileFilter implements <a class="link" href="GtkBuildable.html" title="GtkBuildable">GtkBuildable</a>.</p> </div> <div class="refsect1"> <a name="GtkFileFilter.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <gtk/gtk.h> </pre> </div> <div class="refsect1"> <a name="GtkFileFilter.description"></a><h2>Description</h2> <p>A GtkFileFilter can be used to restrict the files being shown in a <a class="link" href="GtkFileChooser.html" title="GtkFileChooser"><span class="type">GtkFileChooser</span></a>. Files can be filtered based on their name (with <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-pattern" title="gtk_file_filter_add_pattern ()"><code class="function">gtk_file_filter_add_pattern()</code></a>), on their mime type (with <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-mime-type" title="gtk_file_filter_add_mime_type ()"><code class="function">gtk_file_filter_add_mime_type()</code></a>), or by a custom filter function (with <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-custom" title="gtk_file_filter_add_custom ()"><code class="function">gtk_file_filter_add_custom()</code></a>).</p> <p>Filtering by mime types handles aliasing and subclassing of mime types; e.g. a filter for text/plain also matches a file with mime type application/rtf, since application/rtf is a subclass of text/plain. Note that <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> allows wildcards for the subtype of a mime type, so you can e.g. filter for image/*.</p> <p>Normally, filters are used by adding them to a <a class="link" href="GtkFileChooser.html" title="GtkFileChooser"><span class="type">GtkFileChooser</span></a>, see <a class="link" href="GtkFileChooser.html#gtk-file-chooser-add-filter" title="gtk_file_chooser_add_filter ()"><code class="function">gtk_file_chooser_add_filter()</code></a>, but it is also possible to manually use a filter on a file with <a class="link" href="GtkFileFilter.html#gtk-file-filter-filter" title="gtk_file_filter_filter ()"><code class="function">gtk_file_filter_filter()</code></a>.</p> <div class="refsect2"> <a name="id-1.3.14.11.8.5"></a><h3>GtkFileFilter as GtkBuildable</h3> <p>The GtkFileFilter implementation of the GtkBuildable interface supports adding rules using the <mime-types>, <patterns> and <applications> elements and listing the rules within. Specifying a <mime-type> or <pattern> has the same effect as as calling <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-mime-type" title="gtk_file_filter_add_mime_type ()"><code class="function">gtk_file_filter_add_mime_type()</code></a> or <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-pattern" title="gtk_file_filter_add_pattern ()"><code class="function">gtk_file_filter_add_pattern()</code></a>.</p> <p>An example of a UI definition fragment specifying GtkFileFilter rules:</p> <div class="informalexample"> <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> <tbody> <tr> <td class="listing_lines" align="right"><pre>1 2 3 4 5 6 7 8 9 10</pre></td> <td class="listing_code"><pre class="programlisting"><span class="o"><</span><span class="n">object</span> <span class="n">class</span><span class="o">=</span><span class="s">"GtkFileFilter"</span><span class="o">></span> <span class="o"><</span><span class="n">mime</span><span class="o">-</span><span class="n">types</span><span class="o">></span> <span class="o"><</span><span class="n">mime</span><span class="o">-</span><span class="n">type</span><span class="o">></span><span class="n">text</span><span class="o">/</span><span class="n">plain</span><span class="o"></</span><span class="n">mime</span><span class="o">-</span><span class="n">type</span><span class="o">></span> <span class="o"><</span><span class="n">mime</span><span class="o">-</span><span class="n">type</span><span class="o">></span><span class="n">image</span><span class="o">/</span> <span class="o">*</</span><span class="n">mime</span><span class="o">-</span><span class="n">type</span><span class="o">></span> <span class="o"></</span><span class="n">mime</span><span class="o">-</span><span class="n">types</span><span class="o">></span> <span class="o"><</span><span class="n">patterns</span><span class="o">></span> <span class="o"><</span><span class="n">pattern</span><span class="o">>*</span><span class="p">.</span><span class="n">txt</span><span class="o"></</span><span class="n">pattern</span><span class="o">></span> <span class="o"><</span><span class="n">pattern</span><span class="o">>*</span><span class="p">.</span><span class="n">png</span><span class="o"></</span><span class="n">pattern</span><span class="o">></span> <span class="o"></</span><span class="n">patterns</span><span class="o">></span> <span class="o"></</span><span class="n">object</span><span class="o">></span></pre></td> </tr> </tbody> </table> </div> <p></p> </div> </div> <div class="refsect1"> <a name="GtkFileFilter.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="GtkFileFilterFunc"></a><h3>GtkFileFilterFunc ()</h3> <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <span class="c_punctuation">(</span>*GtkFileFilterFunc<span class="c_punctuation">)</span> (<em class="parameter"><code>const <a class="link" href="GtkFileFilter.html#GtkFileFilterInfo" title="struct GtkFileFilterInfo"><span class="type">GtkFileFilterInfo</span></a> *filter_info</code></em>, <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre> <p>The type of function that is used with custom filters, see <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-custom" title="gtk_file_filter_add_custom ()"><code class="function">gtk_file_filter_add_custom()</code></a>.</p> <div class="refsect3"> <a name="GtkFileFilterFunc.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>filter_info</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html#GtkFileFilterInfo" title="struct GtkFileFilterInfo"><span class="type">GtkFileFilterInfo</span></a> that is filled according to the <em class="parameter"><code>needed</code></em> flags passed to <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-custom" title="gtk_file_filter_add_custom ()"><code class="function">gtk_file_filter_add_custom()</code></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>data</p></td> <td class="parameter_description"><p>user data passed to <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-custom" title="gtk_file_filter_add_custom ()"><code class="function">gtk_file_filter_add_custom()</code></a>. </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 class="refsect3"> <a name="GtkFileFilterFunc.returns"></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 the file should be displayed</p> </div> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-new"></a><h3>gtk_file_filter_new ()</h3> <pre class="programlisting"><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="returnvalue">GtkFileFilter</span></a> * gtk_file_filter_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Creates a new <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> with no rules added to it. Such a filter doesn’t accept any files, so is not particularly useful until you add rules with <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-mime-type" title="gtk_file_filter_add_mime_type ()"><code class="function">gtk_file_filter_add_mime_type()</code></a>, <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-pattern" title="gtk_file_filter_add_pattern ()"><code class="function">gtk_file_filter_add_pattern()</code></a>, or <a class="link" href="GtkFileFilter.html#gtk-file-filter-add-custom" title="gtk_file_filter_add_custom ()"><code class="function">gtk_file_filter_add_custom()</code></a>. To create a filter that accepts any file, use:</p> <div class="informalexample"> <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> <tbody> <tr> <td class="listing_lines" align="right"><pre>1 2</pre></td> <td class="listing_code"><pre class="programlisting"><span class="n">GtkFileFilter</span> <span class="o">*</span><span class="n">filter</span> <span class="o">=</span> <span class="n">gtk_file_filter_new</span> <span class="p">();</span> <span class="n">gtk_file_filter_add_pattern</span> <span class="p">(</span><span class="n">filter</span><span class="p">,</span> <span class="s">"*"</span><span class="p">);</span></pre></td> </tr> </tbody> </table> </div> <p></p> <div class="refsect3"> <a name="gtk-file-filter-new.returns"></a><h4>Returns</h4> <p> a new <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p> </div> <p class="since">Since: 2.4</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-set-name"></a><h3>gtk_file_filter_set_name ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_file_filter_set_name (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>);</pre> <p>Sets the human-readable name of the filter; this is the string that will be displayed in the file selector user interface if there is a selectable list of filters.</p> <div class="refsect3"> <a name="gtk-file-filter-set-name.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>filter</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>name</p></td> <td class="parameter_description"><p>the human-readable-name for the filter, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to remove any existing name. </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> <p class="since">Since: 2.4</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-get-name"></a><h3>gtk_file_filter_get_name ()</h3> <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * gtk_file_filter_get_name (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>);</pre> <p>Gets the human-readable name for the filter. See <a class="link" href="GtkFileFilter.html#gtk-file-filter-set-name" title="gtk_file_filter_set_name ()"><code class="function">gtk_file_filter_set_name()</code></a>.</p> <div class="refsect3"> <a name="gtk-file-filter-get-name.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>filter</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-file-filter-get-name.returns"></a><h4>Returns</h4> <p>The human-readable name of the filter, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. This value is owned by GTK+ and must not be modified or freed. </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: 2.4</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-add-mime-type"></a><h3>gtk_file_filter_add_mime_type ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_file_filter_add_mime_type (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *mime_type</code></em>);</pre> <p>Adds a rule allowing a given mime type to <em class="parameter"><code>filter</code></em> .</p> <div class="refsect3"> <a name="gtk-file-filter-add-mime-type.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>filter</p></td> <td class="parameter_description"><p>A <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>mime_type</p></td> <td class="parameter_description"><p>name of a MIME type</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.4</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-add-pattern"></a><h3>gtk_file_filter_add_pattern ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_file_filter_add_pattern (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>, <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *pattern</code></em>);</pre> <p>Adds a rule allowing a shell style glob to a filter.</p> <div class="refsect3"> <a name="gtk-file-filter-add-pattern.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>filter</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>pattern</p></td> <td class="parameter_description"><p>a shell style glob</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.4</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-add-pixbuf-formats"></a><h3>gtk_file_filter_add_pixbuf_formats ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_file_filter_add_pixbuf_formats (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>);</pre> <p>Adds a rule allowing image files in the formats supported by GdkPixbuf.</p> <div class="refsect3"> <a name="gtk-file-filter-add-pixbuf-formats.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>filter</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <p class="since">Since: 2.6</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-add-custom"></a><h3>gtk_file_filter_add_custom ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gtk_file_filter_add_custom (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>, <em class="parameter"><code><a class="link" href="GtkFileFilter.html#GtkFileFilterFlags" title="enum GtkFileFilterFlags"><span class="type">GtkFileFilterFlags</span></a> needed</code></em>, <em class="parameter"><code><a class="link" href="GtkFileFilter.html#GtkFileFilterFunc" title="GtkFileFilterFunc ()"><span class="type">GtkFileFilterFunc</span></a> func</code></em>, <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>, <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> notify</code></em>);</pre> <p>Adds rule to a filter that allows files based on a custom callback function. The bitfield <em class="parameter"><code>needed</code></em> which is passed in provides information about what sorts of information that the filter function needs; this allows GTK+ to avoid retrieving expensive information when it isn’t needed by the filter.</p> <div class="refsect3"> <a name="gtk-file-filter-add-custom.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>filter</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>needed</p></td> <td class="parameter_description"><p>bitfield of flags indicating the information that the custom filter function needs.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>func</p></td> <td class="parameter_description"><p>callback function; if the function returns <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, then the file will be displayed.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>data</p></td> <td class="parameter_description"><p>data to pass to <em class="parameter"><code>func</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>notify</p></td> <td class="parameter_description"><p>function to call to free <em class="parameter"><code>data</code></em> when it is no longer needed.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: 2.4</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-get-needed"></a><h3>gtk_file_filter_get_needed ()</h3> <pre class="programlisting"><a class="link" href="GtkFileFilter.html#GtkFileFilterFlags" title="enum GtkFileFilterFlags"><span class="returnvalue">GtkFileFilterFlags</span></a> gtk_file_filter_get_needed (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>);</pre> <p>Gets the fields that need to be filled in for the <a class="link" href="GtkFileFilter.html#GtkFileFilterInfo" title="struct GtkFileFilterInfo"><span class="type">GtkFileFilterInfo</span></a> passed to <a class="link" href="GtkFileFilter.html#gtk-file-filter-filter" title="gtk_file_filter_filter ()"><code class="function">gtk_file_filter_filter()</code></a></p> <p>This function will not typically be used by applications; it is intended principally for use in the implementation of <a class="link" href="GtkFileChooser.html" title="GtkFileChooser"><span class="type">GtkFileChooser</span></a>.</p> <div class="refsect3"> <a name="gtk-file-filter-get-needed.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>filter</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-file-filter-get-needed.returns"></a><h4>Returns</h4> <p> bitfield of flags indicating needed fields when calling <a class="link" href="GtkFileFilter.html#gtk-file-filter-filter" title="gtk_file_filter_filter ()"><code class="function">gtk_file_filter_filter()</code></a></p> </div> <p class="since">Since: 2.4</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-filter"></a><h3>gtk_file_filter_filter ()</h3> <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gtk_file_filter_filter (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>, <em class="parameter"><code>const <a class="link" href="GtkFileFilter.html#GtkFileFilterInfo" title="struct GtkFileFilterInfo"><span class="type">GtkFileFilterInfo</span></a> *filter_info</code></em>);</pre> <p>Tests whether a file should be displayed according to <em class="parameter"><code>filter</code></em> . The <a class="link" href="GtkFileFilter.html#GtkFileFilterInfo" title="struct GtkFileFilterInfo"><span class="type">GtkFileFilterInfo</span></a> <em class="parameter"><code>filter_info</code></em> should include the fields returned from <a class="link" href="GtkFileFilter.html#gtk-file-filter-get-needed" title="gtk_file_filter_get_needed ()"><code class="function">gtk_file_filter_get_needed()</code></a>.</p> <p>This function will not typically be used by applications; it is intended principally for use in the implementation of <a class="link" href="GtkFileChooser.html" title="GtkFileChooser"><span class="type">GtkFileChooser</span></a>.</p> <div class="refsect3"> <a name="gtk-file-filter-filter.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>filter</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>filter_info</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html#GtkFileFilterInfo" title="struct GtkFileFilterInfo"><span class="type">GtkFileFilterInfo</span></a> containing information about a file.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-file-filter-filter.returns"></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 the file should be displayed</p> </div> <p class="since">Since: 2.4</p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-new-from-gvariant"></a><h3>gtk_file_filter_new_from_gvariant ()</h3> <pre class="programlisting"><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="returnvalue">GtkFileFilter</span></a> * gtk_file_filter_new_from_gvariant (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *variant</code></em>);</pre> <p>Deserialize a file filter from an a{sv} variant in the format produced by <a class="link" href="GtkFileFilter.html#gtk-file-filter-to-gvariant" title="gtk_file_filter_to_gvariant ()"><code class="function">gtk_file_filter_to_gvariant()</code></a>.</p> <div class="refsect3"> <a name="gtk-file-filter-new-from-gvariant.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>variant</p></td> <td class="parameter_description"><p>an a{sv} <a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-file-filter-new-from-gvariant.returns"></a><h4>Returns</h4> <p>a new <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> object. </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-3-22.html#api-index-3.22">3.22</a></p> </div> <hr> <div class="refsect2"> <a name="gtk-file-filter-to-gvariant"></a><h3>gtk_file_filter_to_gvariant ()</h3> <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * gtk_file_filter_to_gvariant (<em class="parameter"><code><a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a> *filter</code></em>);</pre> <p>Serialize a file filter to an a{sv} variant.</p> <div class="refsect3"> <a name="gtk-file-filter-to-gvariant.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>filter</p></td> <td class="parameter_description"><p>a <a class="link" href="GtkFileFilter.html" title="GtkFileFilter"><span class="type">GtkFileFilter</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gtk-file-filter-to-gvariant.returns"></a><h4>Returns</h4> <p>a new, floating, <a href="/usr/share/gtk-doc/html/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>. </p> <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> </div> <p class="since">Since: <a class="link" href="api-index-3-22.html#api-index-3.22">3.22</a></p> </div> </div> <div class="refsect1"> <a name="GtkFileFilter.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="GtkFileFilter-struct"></a><h3>GtkFileFilter</h3> <pre class="programlisting">typedef struct _GtkFileFilter GtkFileFilter;</pre> </div> <hr> <div class="refsect2"> <a name="GtkFileFilterInfo"></a><h3>struct GtkFileFilterInfo</h3> <pre class="programlisting">struct GtkFileFilterInfo { GtkFileFilterFlags contains; const gchar *filename; const gchar *uri; const gchar *display_name; const gchar *mime_type; }; </pre> <p>A <span class="type">GtkFileFilterInfo</span> is used to pass information about the tested file to <a class="link" href="GtkFileFilter.html#gtk-file-filter-filter" title="gtk_file_filter_filter ()"><code class="function">gtk_file_filter_filter()</code></a>.</p> <div class="refsect3"> <a name="GtkFileFilterInfo.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><a class="link" href="GtkFileFilter.html#GtkFileFilterFlags" title="enum GtkFileFilterFlags"><span class="type">GtkFileFilterFlags</span></a> <em class="structfield"><code><a name="GtkFileFilterInfo.contains"></a>contains</code></em>;</p></td> <td class="struct_member_description"><p>Flags indicating which of the following fields need are filled</p></td> <td class="struct_member_annotations"> </td> </tr> <tr> <td class="struct_member_name"><p>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GtkFileFilterInfo.filename"></a>filename</code></em>;</p></td> <td class="struct_member_description"><p>the filename of the file being tested</p></td> <td class="struct_member_annotations"> </td> </tr> <tr> <td class="struct_member_name"><p>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GtkFileFilterInfo.uri"></a>uri</code></em>;</p></td> <td class="struct_member_description"><p>the URI for the file being tested</p></td> <td class="struct_member_annotations"> </td> </tr> <tr> <td class="struct_member_name"><p>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GtkFileFilterInfo.display-name"></a>display_name</code></em>;</p></td> <td class="struct_member_description"><p>the string that will be used to display the file in the file chooser</p></td> <td class="struct_member_annotations"> </td> </tr> <tr> <td class="struct_member_name"><p>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GtkFileFilterInfo.mime-type"></a>mime_type</code></em>;</p></td> <td class="struct_member_description"><p>the mime type of the file</p></td> <td class="struct_member_annotations"> </td> </tr> </tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="GtkFileFilterFlags"></a><h3>enum GtkFileFilterFlags</h3> <p>These flags indicate what parts of a <a class="link" href="GtkFileFilter.html#GtkFileFilterInfo" title="struct GtkFileFilterInfo"><span class="type">GtkFileFilterInfo</span></a> struct are filled or need to be filled.</p> <div class="refsect3"> <a name="GtkFileFilterFlags.members"></a><h4>Members</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="300px" class="enum_members_name"> <col class="enum_members_description"> <col width="200px" class="enum_members_annotations"> </colgroup> <tbody> <tr> <td class="enum_member_name"><p><a name="GTK-FILE-FILTER-FILENAME:CAPS"></a>GTK_FILE_FILTER_FILENAME</p></td> <td class="enum_member_description"> <p>the filename of the file being tested</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GTK-FILE-FILTER-URI:CAPS"></a>GTK_FILE_FILTER_URI</p></td> <td class="enum_member_description"> <p>the URI for the file being tested</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GTK-FILE-FILTER-DISPLAY-NAME:CAPS"></a>GTK_FILE_FILTER_DISPLAY_NAME</p></td> <td class="enum_member_description"> <p>the string that will be used to display the file in the file chooser</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GTK-FILE-FILTER-MIME-TYPE:CAPS"></a>GTK_FILE_FILTER_MIME_TYPE</p></td> <td class="enum_member_description"> <p>the mime type of the file</p> </td> <td class="enum_member_annotations"> </td> </tr> </tbody> </table></div> </div> </div> </div> <div class="refsect1"> <a name="GtkFileFilter.see-also"></a><h2>See Also</h2> <p><a class="link" href="GtkFileChooser.html" title="GtkFileChooser"><span class="type">GtkFileChooser</span></a></p> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>