gio-extension-points.html

最新gtk中文资料集

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<td><p><span class="term"><em class="parameter"><code>extension_point</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gio-Extension-Points.html#GIOExtensionPoint"><span class="type">GIOExtensionPoint</span></a>
</td>
</tr>
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<td><p><span class="term"><em class="parameter"><code>name</code></em>&#160;:</span></p></td>
<td> the name of the extension to get
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the <a class="link" href="gio-Extension-Points.html#GIOExtension"><span class="type">GIOExtension</span></a> for <em class="parameter"><code>extension_point</code></em> that has the
   given name, or <a
href="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"
><code class="literal">NULL</code></a> if there is no extension with that name
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<div class="refsect2" lang="en">
<a name="id3239696"></a><h3>
<a name="g-io-extension-point-get-extensions"></a>g_io_extension_point_get_extensions ()</h3>
<a class="indexterm" name="id3239708"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"
>GList</a>*              g_io_extension_point_get_extensions (<a class="link" href="gio-Extension-Points.html#GIOExtensionPoint">GIOExtensionPoint</a> *extension_point);</pre>
<p>
Gets a list of all extensions that implement this extension point.
The list is sorted by priority, beginning with the highest priority.</p>
<p>

</p>
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<td><p><span class="term"><em class="parameter"><code>extension_point</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gio-Extension-Points.html#GIOExtensionPoint"><span class="type">GIOExtensionPoint</span></a>
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> a <a
href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"
><span class="type">GList</span></a> of <a class="link" href="gio-Extension-Points.html#GIOExtension"><span class="type">GIOExtension</span></a>s. The list is owned by
  GIO and should not be modified
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<div class="refsect2" lang="en">
<a name="id3239795"></a><h3>
<a name="g-io-extension-point-get-required-type"></a>g_io_extension_point_get_required_type ()</h3>
<a class="indexterm" name="id3239808"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"
>GType</a>               g_io_extension_point_get_required_type
                                                        (<a class="link" href="gio-Extension-Points.html#GIOExtensionPoint">GIOExtensionPoint</a> *extension_point);</pre>
<p>
Gets the required type for <em class="parameter"><code>extension_point</code></em>.</p>
<p>

</p>
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<td><p><span class="term"><em class="parameter"><code>extension_point</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gio-Extension-Points.html#GIOExtensionPoint"><span class="type">GIOExtensionPoint</span></a>
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the <a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"
><span class="type">GType</span></a> that all implementations must have, 
    or <a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#G-TYPE-INVALID:CAPS"
><span class="type">G_TYPE_INVALID</span></a> if the extension point has no required type
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<div class="refsect2" lang="en">
<a name="id3239900"></a><h3>
<a name="g-io-extension-point-implement"></a>g_io_extension_point_implement ()</h3>
<a class="indexterm" name="id3239911"></a><pre class="programlisting"><a class="link" href="gio-Extension-Points.html#GIOExtension">GIOExtension</a>*       g_io_extension_point_implement      (const char *extension_point_name,
                                                         <a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"
>GType</a> type,
                                                         const char *extension_name,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> priority);</pre>
<p>
Registers <em class="parameter"><code>type</code></em> as extension for the extension point with name
<em class="parameter"><code>extension_point_name</code></em>. 
</p>
<p>
If <em class="parameter"><code>type</code></em> has already been registered as an extension for this 
extension point, the existing <a class="link" href="gio-Extension-Points.html#GIOExtension"><span class="type">GIOExtension</span></a> object is returned.</p>
<p>

</p>
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<td><p><span class="term"><em class="parameter"><code>extension_point_name</code></em>&#160;:</span></p></td>
<td> the name of the extension point
</td>
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<td><p><span class="term"><em class="parameter"><code>type</code></em>&#160;:</span></p></td>
<td> the <a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"
><span class="type">GType</span></a> to register as extension 
</td>
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<td><p><span class="term"><em class="parameter"><code>extension_name</code></em>&#160;:</span></p></td>
<td> the name for the extension
</td>
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<td><p><span class="term"><em class="parameter"><code>priority</code></em>&#160;:</span></p></td>
<td> the priority for the extension
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> a <a class="link" href="gio-Extension-Points.html#GIOExtension"><span class="type">GIOExtension</span></a> object for <a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"
><span class="type">GType</span></a>
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<div class="refsect2" lang="en">
<a name="id3240086"></a><h3>
<a name="g-io-extension-point-lookup"></a>g_io_extension_point_lookup ()</h3>
<a class="indexterm" name="id3240097"></a><pre class="programlisting"><a class="link" href="gio-Extension-Points.html#GIOExtensionPoint">GIOExtensionPoint</a>*  g_io_extension_point_lookup         (const char *name);</pre>
<p>
Looks up an existing extension point.</p>
<p>

</p>
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<td><p><span class="term"><em class="parameter"><code>name</code></em>&#160;:</span></p></td>
<td> the name of the extension point
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the <a class="link" href="gio-Extension-Points.html#GIOExtensionPoint"><span class="type">GIOExtensionPoint</span></a>, or <a
href="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"
><code class="literal">NULL</code></a> if there is no
   registered extension point with the given name
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<div class="refsect2" lang="en">
<a name="id3240175"></a><h3>
<a name="g-io-extension-point-register"></a>g_io_extension_point_register ()</h3>
<a class="indexterm" name="id3240189"></a><pre class="programlisting"><a class="link" href="gio-Extension-Points.html#GIOExtensionPoint">GIOExtensionPoint</a>*  g_io_extension_point_register       (const char *name);</pre>
<p>
Registers an extension point.</p>
<p>

</p>
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<td><p><span class="term"><em class="parameter"><code>name</code></em>&#160;:</span></p></td>
<td> The name of the extension point
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the new <a class="link" href="gio-Extension-Points.html#GIOExtensionPoint"><span class="type">GIOExtensionPoint</span></a>. This object is owned by GIO
   and should not be freed
</td>
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<hr>
<div class="refsect2" lang="en">
<a name="id3240258"></a><h3>
<a name="g-io-extension-point-set-required-type"></a>g_io_extension_point_set_required_type ()</h3>
<a class="indexterm" name="id3240272"></a><pre class="programlisting">void                g_io_extension_point_set_required_type
                                                        (<a class="link" href="gio-Extension-Points.html#GIOExtensionPoint">GIOExtensionPoint</a> *extension_point,
                                                         <a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"
>GType</a> type);</pre>
<p>
Sets the required type for <em class="parameter"><code>extension_point</code></em> to <em class="parameter"><code>type</code></em>. 
All implementations must henceforth have this type.</p>
<p>

</p>
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<td><p><span class="term"><em class="parameter"><code>extension_point</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gio-Extension-Points.html#GIOExtensionPoint"><span class="type">GIOExtensionPoint</span></a>
</td>
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<td><p><span class="term"><em class="parameter"><code>type</code></em>&#160;:</span></p></td>
<td> the <a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GType"
><span class="type">GType</span></a> to require
</td>
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<hr>
<div class="refsect2" lang="en">
<a name="id3240373"></a><h3>
<a name="g-io-extension-ref-class"></a>g_io_extension_ref_class ()</h3>
<a class="indexterm" name="id3240384"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GTypeClass"
>GTypeClass</a>*         g_io_extension_ref_class            (<a class="link" href="gio-Extension-Points.html#GIOExtension">GIOExtension</a> *extension);</pre>
<p>
Gets a reference to the class for the type that is 
associated with <em class="parameter"><code>extension</code></em>.</p>
<p>

</p>
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<td><p><span class="term"><em class="parameter"><code>extension</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="gio-Extension-Points.html#GIOExtension"><span class="type">GIOExtension</span></a>
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the <a
href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GTypeClass"
><span class="type">GTypeClass</span></a> for the type of <em class="parameter"><code>extension</code></em>
</td>
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<div class="refsect1" lang="en">
<a name="id3240474"></a><h2>See Also</h2>
Extending GIO
</div>
<div class="refsect1" lang="en">
<a name="id3240487"></a><div class="refsect2" lang="en"><a name="id3240488"></a></div>
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<div class="refsect2" lang="en"><a name="id3240489"></a></div>
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