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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>GcrCollection</title>
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<a href="#GcrCollection.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#GcrCollection.description" class="shortcut">Description</a>
                   | 
                  <a href="#GcrCollection.object-hierarchy" class="shortcut">Object Hierarchy</a>
                   | 
                  <a href="#GcrCollection.prerequisites" class="shortcut">Prerequisites</a>
                   | 
                  <a href="#GcrCollection.implementations" class="shortcut">Known Implementations</a>
                   | 
                  <a href="#GcrCollection.signals" class="shortcut">Signals</a>
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<div class="refentry">
<a name="GcrCollection"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GcrCollection.top_of_page"></a>GcrCollection</span></h2>
<p>GcrCollection — A collection of objects.</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GcrCollection.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">                    <a class="link" href="GcrCollection.html#GcrCollection-struct" title="GcrCollection">GcrCollection</a>;
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="GcrCollection.html#gcr-collection-get-length" title="gcr_collection_get_length ()">gcr_collection_get_length</a>           (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *             <a class="link" href="GcrCollection.html#gcr-collection-get-objects" title="gcr_collection_get_objects ()">gcr_collection_get_objects</a>          (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GcrCollection.html#gcr-collection-contains" title="gcr_collection_contains ()">gcr_collection_contains</a>             (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *object</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GcrCollection.html#gcr-collection-emit-added" title="gcr_collection_emit_added ()">gcr_collection_emit_added</a>           (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *object</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GcrCollection.html#gcr-collection-emit-removed" title="gcr_collection_emit_removed ()">gcr_collection_emit_removed</a>         (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *object</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GcrCollection.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  GInterface
   +----GcrCollection
</pre>
</div>
<div class="refsect1">
<a name="GcrCollection.prerequisites"></a><h2>Prerequisites</h2>
<p>
GcrCollection requires
 <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>.</p>
</div>
<div class="refsect1">
<a name="GcrCollection.implementations"></a><h2>Known Implementations</h2>
<p>
GcrCollection is implemented by
 GcrFilterCollection,  <a class="link" href="GcrSimpleCollection.html" title="GcrSimpleCollection">GcrSimpleCollection</a> and  GcrUnionCollection.</p>
</div>
<div class="refsect1">
<a name="GcrCollection.signals"></a><h2>Signals</h2>
<pre class="synopsis">
  "<a class="link" href="GcrCollection.html#GcrCollection-added" title='The "added" signal'>added</a>"                                          : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
  "<a class="link" href="GcrCollection.html#GcrCollection-removed" title='The "removed" signal'>removed</a>"                                        : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
</pre>
</div>
<div class="refsect1">
<a name="GcrCollection.description"></a><h2>Description</h2>
<p>
A <a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> is used to group a set of objects. This is an abstract
interface which can be used to determine which objects show up in a selector
or other user interface element.
</p>
<p>
Use <a class="link" href="GcrSimpleCollection.html#gcr-simple-collection-new" title="gcr_simple_collection_new ()"><code class="function">gcr_simple_collection_new()</code></a> to create a concrete implementation of this
interface which you can add objects to.
</p>
</div>
<div class="refsect1">
<a name="GcrCollection.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GcrCollection-struct"></a><h3>GcrCollection</h3>
<pre class="programlisting">typedef struct _GcrCollection GcrCollection;</pre>
<p>
A <a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> is used to group a set of objects.
</p>
</div>
<hr>
<div class="refsect2">
<a name="gcr-collection-get-length"></a><h3>gcr_collection_get_length ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gcr_collection_get_length           (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>);</pre>
<p>
Get the number of objects in this collection.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>The collection</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The number of objects.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gcr-collection-get-objects"></a><h3>gcr_collection_get_objects ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> *             gcr_collection_get_objects          (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>);</pre>
<p>
Get a list of the objects in this collection.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>The collection</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a list of the objects
in this collection, which should be freed with <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#g-list-free"><code class="function">g_list_free()</code></a>. <span class="annotation">[<acronym title="Free data container after the code is done."><span class="acronym">transfer container</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GObject.Object]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gcr-collection-contains"></a><h3>gcr_collection_contains ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gcr_collection_contains             (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *object</code></em>);</pre>
<p>
Check whether the collection contains an object or not.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>the collection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>object to check</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>whether the collection contains this object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gcr-collection-emit-added"></a><h3>gcr_collection_emit_added ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gcr_collection_emit_added           (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *object</code></em>);</pre>
<p>
Emit the <a class="link" href="GcrCollection.html#GcrCollection-added" title='The "added" signal'><span class="type">"added"</span></a> signal for the given object. This function
is used by implementors of this interface.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>The collection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>The object that was added</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gcr-collection-emit-removed"></a><h3>gcr_collection_emit_removed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gcr_collection_emit_removed         (<em class="parameter"><code><a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a> *object</code></em>);</pre>
<p>
Emit the <a class="link" href="GcrCollection.html#GcrCollection-removed" title='The "removed" signal'><span class="type">"removed"</span></a> signal for the given object. This function
is used by implementors of this interface.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>The collection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>The object that was removed</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GcrCollection.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GcrCollection-added"></a><h3>The <code class="literal">"added"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self,
                                                        <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a>       *object,
                                                        <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)      : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
This signal is emitted when an object is added to the collection.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>the collection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>object that was added. <span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> GObject.Object]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GcrCollection-removed"></a><h3>The <code class="literal">"removed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GcrCollection.html" title="GcrCollection"><span class="type">GcrCollection</span></a> *self,
                                                        <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"><span class="type">GObject</span></a>       *object,
                                                        <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)      : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
This signal is emitted when an object is removed from the collection.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>the collection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>object that was removed. <span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> GObject.Object]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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