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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>AtkComponent: ATK - Accessibility Toolkit</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="index.html" title="ATK - Accessibility Toolkit">
<link rel="up" href="interfaces.html" title="ATK Interfaces">
<link rel="prev" href="AtkAction.html" title="AtkAction">
<link rel="next" href="AtkDocument.html" title="AtkDocument">
<meta name="generator" content="GTK-Doc V1.27 (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="#AtkComponent.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#AtkComponent.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_implementations">  <span class="dim">|</span> 
                  <a href="#AtkComponent.implementations" class="shortcut">Known Implementations</a></span><span id="nav_signals">  <span class="dim">|</span> 
                  <a href="#AtkComponent.signals" class="shortcut">Signals</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="interfaces.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="AtkAction.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="AtkDocument.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="AtkComponent"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="AtkComponent.top_of_page"></a>AtkComponent</span></h2>
<p>AtkComponent — The ATK interface provided by UI components
which occupy a physical area on the screen.
which the user can activate/interact with.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="AtkComponent.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" 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">
<span class="c_punctuation">(</span><a class="link" href="AtkComponent.html#AtkFocusHandler" title="AtkFocusHandler ()">*AtkFocusHandler</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-add-focus-handler" title="atk_component_add_focus_handler ()">atk_component_add_focus_handler</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-contains" title="atk_component_contains ()">atk_component_contains</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="AtkComponent.html#atk-component-get-extents" title="atk_component_get_extents ()">atk_component_get_extents</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="AtkObject.html#AtkLayer" title="enum AtkLayer"><span class="returnvalue">AtkLayer</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-get-layer" title="atk_component_get_layer ()">atk_component_get_layer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-get-mdi-zorder" title="atk_component_get_mdi_zorder ()">atk_component_get_mdi_zorder</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="AtkComponent.html#atk-component-get-position" title="atk_component_get_position ()">atk_component_get_position</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="AtkComponent.html#atk-component-get-size" title="atk_component_get_size ()">atk_component_get_size</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-grab-focus" title="atk_component_grab_focus ()">atk_component_grab_focus</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="AtkObject.html" title="AtkObject"><span class="returnvalue">AtkObject</span></a> *
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-ref-accessible-at-point" title="atk_component_ref_accessible_at_point ()">atk_component_ref_accessible_at_point</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="AtkComponent.html#atk-component-remove-focus-handler" title="atk_component_remove_focus_handler ()">atk_component_remove_focus_handler</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-set-extents" title="atk_component_set_extents ()">atk_component_set_extents</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-set-position" title="atk_component_set_position ()">atk_component_set_position</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-set-size" title="atk_component_set_size ()">atk_component_set_size</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>
</td>
<td class="function_name">
<a class="link" href="AtkComponent.html#atk-component-get-alpha" title="atk_component_get_alpha ()">atk_component_get_alpha</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="AtkComponent.signals"></a><h2>Signals</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody><tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="AtkComponent.html#AtkComponent-bounds-changed" title="The “bounds-changed” signal">bounds-changed</a></td>
<td class="signal_flags"><a href="../gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td>
</tr></tbody>
</table></div>
</div>
<a name="AtkRectangle"></a><div class="refsect1">
<a name="AtkComponent.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" 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="AtkComponent.html#AtkComponent-struct" title="AtkComponent">AtkComponent</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="AtkComponent.html#AtkComponentIface" title="struct AtkComponentIface">AtkComponentIface</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="AtkComponent.html#AtkRectangle-struct" title="struct AtkRectangle">AtkRectangle</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="AtkComponent.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-Boxed-Types.html">GBoxed</a>
    <span class="lineart">╰──</span> AtkRectangle
    <a href="/usr/share/gtk-doc/html/gobject/GTypeModule.html">GInterface</a>
    <span class="lineart">╰──</span> AtkComponent
</pre>
</div>
<div class="refsect1">
<a name="AtkComponent.implementations"></a><h2>Known Implementations</h2>
<p>
AtkComponent is implemented by
 <a class="link" href="AtkNoOpObject.html" title="AtkNoOpObject">AtkNoOpObject</a>,  <a class="link" href="AtkPlug.html" title="AtkPlug">AtkPlug</a> and  <a class="link" href="AtkSocket.html" title="AtkSocket">AtkSocket</a>.</p>
</div>
<div class="refsect1">
<a name="AtkComponent.description"></a><h2>Description</h2>
<p><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> should be implemented by most if not all UI elements
with an actual on-screen presence, i.e. components which can be
said to have a screen-coordinate bounding box.  Virtually all
widgets will need to have <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> implementations provided
for their corresponding <a class="link" href="AtkObject.html" title="AtkObject"><span class="type">AtkObject</span></a> class.  In short, only UI
elements which are *not* GUI elements will omit this ATK interface.</p>
<p>A possible exception might be textual information with a
transparent background, in which case text glyph bounding box
information is provided by <a class="link" href="AtkText.html" title="AtkText"><span class="type">AtkText</span></a>.</p>
</div>
<div class="refsect1">
<a name="AtkComponent.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="AtkFocusHandler"></a><h3>AtkFocusHandler ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*AtkFocusHandler<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="AtkObject.html" title="AtkObject"><span class="type">AtkObject</span></a> *object</code></em>,
                    <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> focus_in</code></em>);</pre>
<div class="warning">
<p><code class="literal">AtkFocusHandler</code> has been deprecated since version 2.9.4 and should not be used in newly-written code.</p>
<p>Deprecated with <a class="link" href="AtkComponent.html#atk-component-add-focus-handler" title="atk_component_add_focus_handler ()"><code class="function">atk_component_add_focus_handler()</code></a>
and <a class="link" href="AtkComponent.html#atk-component-remove-focus-handler" title="atk_component_remove_focus_handler ()"><code class="function">atk_component_remove_focus_handler()</code></a>. See those
methods for more information.</p>
</div>
<p>The type of callback function used for
<a class="link" href="AtkComponent.html#atk-component-add-focus-handler" title="atk_component_add_focus_handler ()"><code class="function">atk_component_add_focus_handler()</code></a> and
<a class="link" href="AtkComponent.html#atk-component-remove-focus-handler" title="atk_component_remove_focus_handler ()"><code class="function">atk_component_remove_focus_handler()</code></a></p>
<div class="refsect3">
<a name="AtkFocusHandler.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>object</p></td>
<td class="parameter_description"><p>the <a class="link" href="AtkObject.html" title="AtkObject"><span class="type">AtkObject</span></a> that receives/lose the focus</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>focus_in</p></td>
<td class="parameter_description"><p>TRUE if the object receives the focus</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-add-focus-handler"></a><h3>atk_component_add_focus_handler ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
atk_component_add_focus_handler (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                                 <em class="parameter"><code><a class="link" href="AtkComponent.html#AtkFocusHandler" title="AtkFocusHandler ()"><span class="type">AtkFocusHandler</span></a> handler</code></em>);</pre>
<div class="warning">
<p><code class="literal">atk_component_add_focus_handler</code> has been deprecated since version 2.9.4 and should not be used in newly-written code.</p>
<p>If you need to track when an object gains or
lose the focus, use the <a class="link" href="AtkObject.html#AtkObject-state-change" title="The “state-change” signal"><span class="type">“state-change”</span></a> "focused" notification instead.</p>
</div>
<p>Add the specified handler to the set of functions to be called 
when this object receives focus events (in or out). If the handler is
already added it is not added again</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="atk-component-add-focus-handler.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>component</p></td>
<td class="parameter_description"><p>The <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> to attach the <em class="parameter"><code>handler</code></em>
to</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handler</p></td>
<td class="parameter_description"><p>The <a class="link" href="AtkComponent.html#AtkFocusHandler" title="AtkFocusHandler ()"><span class="type">AtkFocusHandler</span></a> to be attached to <em class="parameter"><code>component</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-add-focus-handler.returns"></a><h4>Returns</h4>
<p> a handler id which can be used in <a class="link" href="AtkComponent.html#atk-component-remove-focus-handler" title="atk_component_remove_focus_handler ()"><code class="function">atk_component_remove_focus_handler()</code></a>
or zero if the handler was already added.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-contains"></a><h3>atk_component_contains ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
atk_component_contains (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                        <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> x</code></em>,
                        <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> y</code></em>,
                        <em class="parameter"><code><a class="link" href="AtkUtil.html#AtkCoordType" title="enum AtkCoordType"><span class="type">AtkCoordType</span></a> coord_type</code></em>);</pre>
<p>Checks whether the specified point is within the extent of the <em class="parameter"><code>component</code></em>
.</p>
<p>Toolkit implementor note: ATK provides a default implementation for
this virtual method. In general there are little reason to
re-implement it.</p>
<div class="refsect3">
<a name="atk-component-contains.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>component</p></td>
<td class="parameter_description"><p>the <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x</p></td>
<td class="parameter_description"><p>x coordinate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y</p></td>
<td class="parameter_description"><p>y coordinate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>coord_type</p></td>
<td class="parameter_description"><p>specifies whether the coordinates are relative to the screen
or to the components top level window</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-contains.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> or <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> indicating whether the specified point is within
the extent of the <em class="parameter"><code>component</code></em>
or not</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-get-extents"></a><h3>atk_component_get_extents ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
atk_component_get_extents (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                           <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *x</code></em>,
                           <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *y</code></em>,
                           <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *width</code></em>,
                           <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *height</code></em>,
                           <em class="parameter"><code><a class="link" href="AtkUtil.html#AtkCoordType" title="enum AtkCoordType"><span class="type">AtkCoordType</span></a> coord_type</code></em>);</pre>
<p>Gets the rectangle which gives the extent of the <em class="parameter"><code>component</code></em>
.</p>
<div class="refsect3">
<a name="atk-component-get-extents.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x</p></td>
<td class="parameter_description"><p>address of <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to put x coordinate. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>y</p></td>
<td class="parameter_description"><p>address of <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to put y coordinate. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>address of <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to put width. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>address of <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to put height. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>coord_type</p></td>
<td class="parameter_description"><p>specifies whether the coordinates are relative to the screen
or to the components top level window</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-get-layer"></a><h3>atk_component_get_layer ()</h3>
<pre class="programlisting"><a class="link" href="AtkObject.html#AtkLayer" title="enum AtkLayer"><span class="returnvalue">AtkLayer</span></a>
atk_component_get_layer (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>);</pre>
<p>Gets the layer of the component.</p>
<div class="refsect3">
<a name="atk-component-get-layer.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-get-layer.returns"></a><h4>Returns</h4>
<p> an <a class="link" href="AtkObject.html#AtkLayer" title="enum AtkLayer"><span class="type">AtkLayer</span></a> which is the layer of the component</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-get-mdi-zorder"></a><h3>atk_component_get_mdi_zorder ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
atk_component_get_mdi_zorder (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>);</pre>
<p>Gets the zorder of the component. The value G_MININT will be returned 
if the layer of the component is not ATK_LAYER_MDI or ATK_LAYER_WINDOW.</p>
<div class="refsect3">
<a name="atk-component-get-mdi-zorder.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-get-mdi-zorder.returns"></a><h4>Returns</h4>
<p> a gint which is the zorder of the component, i.e. the depth at
which the component is shown in relation to other components in the same
container.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-get-position"></a><h3>atk_component_get_position ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
atk_component_get_position (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                            <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *x</code></em>,
                            <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *y</code></em>,
                            <em class="parameter"><code><a class="link" href="AtkUtil.html#AtkCoordType" title="enum AtkCoordType"><span class="type">AtkCoordType</span></a> coord_type</code></em>);</pre>
<div class="warning">
<p><code class="literal">atk_component_get_position</code> is deprecated and should not be used in newly-written code.</p>
<p>Since 2.12. Use <a class="link" href="AtkComponent.html#atk-component-get-extents" title="atk_component_get_extents ()"><code class="function">atk_component_get_extents()</code></a> instead.</p>
</div>
<p>Gets the position of <em class="parameter"><code>component</code></em>
 in the form of 
a point specifying <em class="parameter"><code>component</code></em>
's top-left corner.</p>
<div class="refsect3">
<a name="atk-component-get-position.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x</p></td>
<td class="parameter_description"><p>address of <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to put x coordinate position. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>y</p></td>
<td class="parameter_description"><p>address of <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to put y coordinate position. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>coord_type</p></td>
<td class="parameter_description"><p>specifies whether the coordinates are relative to the screen
or to the components top level window</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-get-size"></a><h3>atk_component_get_size ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
atk_component_get_size (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                        <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *width</code></em>,
                        <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *height</code></em>);</pre>
<div class="warning">
<p><code class="literal">atk_component_get_size</code> is deprecated and should not be used in newly-written code.</p>
<p>Since 2.12. Use <a class="link" href="AtkComponent.html#atk-component-get-extents" title="atk_component_get_extents ()"><code class="function">atk_component_get_extents()</code></a> instead.</p>
</div>
<p>Gets the size of the <em class="parameter"><code>component</code></em>
 in terms of width and height.</p>
<div class="refsect3">
<a name="atk-component-get-size.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>address of <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to put width of <em class="parameter"><code>component</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>address of <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> to put height of <em class="parameter"><code>component</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-grab-focus"></a><h3>atk_component_grab_focus ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
atk_component_grab_focus (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>);</pre>
<p>Grabs focus for this <em class="parameter"><code>component</code></em>
.</p>
<div class="refsect3">
<a name="atk-component-grab-focus.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-grab-focus.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if successful, <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-ref-accessible-at-point"></a><h3>atk_component_ref_accessible_at_point ()</h3>
<pre class="programlisting"><a class="link" href="AtkObject.html" title="AtkObject"><span class="returnvalue">AtkObject</span></a> *
atk_component_ref_accessible_at_point (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                                       <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> x</code></em>,
                                       <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> y</code></em>,
                                       <em class="parameter"><code><a class="link" href="AtkUtil.html#AtkCoordType" title="enum AtkCoordType"><span class="type">AtkCoordType</span></a> coord_type</code></em>);</pre>
<p>Gets a reference to the accessible child, if one exists, at the
coordinate point specified by <em class="parameter"><code>x</code></em>
 and <em class="parameter"><code>y</code></em>
.</p>
<div class="refsect3">
<a name="atk-component-ref-accessible-at-point.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>component</p></td>
<td class="parameter_description"><p>the <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x</p></td>
<td class="parameter_description"><p>x coordinate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y</p></td>
<td class="parameter_description"><p>y coordinate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>coord_type</p></td>
<td class="parameter_description"><p>specifies whether the coordinates are relative to the screen
or to the components top level window</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-ref-accessible-at-point.returns"></a><h4>Returns</h4>
<p>a reference to the accessible
child, if one exists. </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>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-remove-focus-handler"></a><h3>atk_component_remove_focus_handler ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
atk_component_remove_focus_handler (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                                    <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> handler_id</code></em>);</pre>
<div class="warning">
<p><code class="literal">atk_component_remove_focus_handler</code> has been deprecated since version 2.9.4 and should not be used in newly-written code.</p>
<p>If you need to track when an object gains or
lose the focus, use the <a class="link" href="AtkObject.html#AtkObject-state-change" title="The “state-change” signal"><span class="type">“state-change”</span></a> "focused" notification instead.</p>
</div>
<p>Remove the handler specified by <em class="parameter"><code>handler_id</code></em>
 from the list of
functions to be executed when this object receives focus events 
(in or out).</p>
<div class="refsect3">
<a name="atk-component-remove-focus-handler.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>component</p></td>
<td class="parameter_description"><p>the <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> to remove the focus handler from</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>handler_id</p></td>
<td class="parameter_description"><p>the handler id of the focus handler to be removed
from <em class="parameter"><code>component</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-set-extents"></a><h3>atk_component_set_extents ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
atk_component_set_extents (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                           <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> x</code></em>,
                           <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> y</code></em>,
                           <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> width</code></em>,
                           <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> height</code></em>,
                           <em class="parameter"><code><a class="link" href="AtkUtil.html#AtkCoordType" title="enum AtkCoordType"><span class="type">AtkCoordType</span></a> coord_type</code></em>);</pre>
<p>Sets the extents of <em class="parameter"><code>component</code></em>
.</p>
<div class="refsect3">
<a name="atk-component-set-extents.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x</p></td>
<td class="parameter_description"><p>x coordinate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y</p></td>
<td class="parameter_description"><p>y coordinate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>width to set for <em class="parameter"><code>component</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>height to set for <em class="parameter"><code>component</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>coord_type</p></td>
<td class="parameter_description"><p>specifies whether the coordinates are relative to the screen
or to the components top level window</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-set-extents.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> or <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> whether the extents were set or not</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-set-position"></a><h3>atk_component_set_position ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
atk_component_set_position (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                            <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> x</code></em>,
                            <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> y</code></em>,
                            <em class="parameter"><code><a class="link" href="AtkUtil.html#AtkCoordType" title="enum AtkCoordType"><span class="type">AtkCoordType</span></a> coord_type</code></em>);</pre>
<p>Sets the postition of <em class="parameter"><code>component</code></em>
.</p>
<div class="refsect3">
<a name="atk-component-set-position.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x</p></td>
<td class="parameter_description"><p>x coordinate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y</p></td>
<td class="parameter_description"><p>y coordinate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>coord_type</p></td>
<td class="parameter_description"><p>specifies whether the coordinates are relative to the screen
or to the components top level window</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-set-position.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> or <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> whether or not the position was set or not</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-set-size"></a><h3>atk_component_set_size ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
atk_component_set_size (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>,
                        <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> width</code></em>,
                        <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> height</code></em>);</pre>
<p>Set the size of the <em class="parameter"><code>component</code></em>
 in terms of width and height.</p>
<div class="refsect3">
<a name="atk-component-set-size.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>width to set for <em class="parameter"><code>component</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>height to set for <em class="parameter"><code>component</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-set-size.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> or <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> whether the size was set or not</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-component-get-alpha"></a><h3>atk_component_get_alpha ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>
atk_component_get_alpha (<em class="parameter"><code><a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *component</code></em>);</pre>
<p>Returns the alpha value (i.e. the opacity) for this
<em class="parameter"><code>component</code></em>
, on a scale from 0 (fully transparent) to 1.0
(fully opaque).</p>
<div class="refsect3">
<a name="atk-component-get-alpha.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>component</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-component-get-alpha.returns"></a><h4>Returns</h4>
<p> An alpha value from 0 to 1.0, inclusive.</p>
</div>
<p class="since">Since: 1.12</p>
</div>
</div>
<div class="refsect1">
<a name="AtkComponent.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="AtkComponent-struct"></a><h3>AtkComponent</h3>
<pre class="programlisting">typedef struct _AtkComponent AtkComponent;</pre>
</div>
<hr>
<div class="refsect2">
<a name="AtkComponentIface"></a><h3>struct AtkComponentIface</h3>
<pre class="programlisting">struct AtkComponentIface {
  GTypeInterface parent;

  guint          (* add_focus_handler)  (AtkComponent          *component,
                                         AtkFocusHandler        handler);

  gboolean       (* contains)           (AtkComponent          *component,
                                         gint                   x,
                                         gint                   y,
                                         AtkCoordType           coord_type);

  AtkObject*    (* ref_accessible_at_point)  (AtkComponent     *component,
                                         gint                   x,
                                         gint                   y,
                                         AtkCoordType           coord_type);
  void          (* get_extents)         (AtkComponent          *component,
                                         gint                  *x,
                                         gint                  *y,
                                         gint                  *width,
                                         gint                  *height,
                                         AtkCoordType          coord_type);
  void                     (* get_position)     (AtkComponent   *component,
                                                 gint           *x,
                                                 gint           *y,
                                                 AtkCoordType   coord_type);
  void                     (* get_size)                 (AtkComponent   *component,
                                                         gint           *width,
                                                         gint           *height);
  gboolean                 (* grab_focus)               (AtkComponent   *component);
  void                     (* remove_focus_handler)      (AtkComponent  *component,
                                                          guint         handler_id);
  gboolean                 (* set_extents)      (AtkComponent   *component,
                                                 gint           x,
                                                 gint           y,
                                                 gint           width,
                                                 gint           height,
                                                 AtkCoordType   coord_type);
  gboolean                 (* set_position)     (AtkComponent   *component,
                                                 gint           x,
                                                 gint           y,
                                                 AtkCoordType   coord_type);
  gboolean                 (* set_size)         (AtkComponent   *component,
                                                 gint           width,
                                                 gint           height);
  	
  AtkLayer                 (* get_layer)        (AtkComponent   *component);
  gint                     (* get_mdi_zorder)   (AtkComponent   *component);

  /*
   * signal handlers
   */
  void                     (* bounds_changed)   (AtkComponent   *component,
                                                 AtkRectangle   *bounds);
  gdouble                  (* get_alpha)        (AtkComponent   *component);
};
</pre>
<div class="refsect3">
<a name="AtkComponentIface.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 href="../gobject/gobject-Type-Information.html#GTypeInterface"><span class="type">GTypeInterface</span></a> <em class="structfield"><code><a name="AtkComponentIface.parent"></a>parent</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.add-focus-handler"></a>add_focus_handler</code></em> ()</p></td>
<td class="struct_member_description"><p>This virtual function is deprecated since 2.9.4
and it should not be overriden. See
<a class="link" href="AtkComponent.html#atk-component-add-focus-handler" title="atk_component_add_focus_handler ()"><code class="function">atk_component_add_focus_handler()</code></a> for more information.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.contains"></a>contains</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.ref-accessible-at-point"></a>ref_accessible_at_point</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.get-extents"></a>get_extents</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.get-position"></a>get_position</code></em> ()</p></td>
<td class="struct_member_description"><p>This virtual function is deprecated since 2.12 and
it should not be overriden. Use <em class="parameter"><code>get_extents</code></em>
instead.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.get-size"></a>get_size</code></em> ()</p></td>
<td class="struct_member_description"><p>This virtual function is deprecated since 2.12 and it
should not be overriden. Use <em class="parameter"><code>get_extents</code></em>
instead.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.grab-focus"></a>grab_focus</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.remove-focus-handler"></a>remove_focus_handler</code></em> ()</p></td>
<td class="struct_member_description"><p>This virtual function is deprecated since
2.9.4 and it should not be overriden. See
<a class="link" href="AtkComponent.html#atk-component-remove-focus-handler" title="atk_component_remove_focus_handler ()"><code class="function">atk_component_remove_focus_handler()</code></a> for more information.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.set-extents"></a>set_extents</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.set-position"></a>set_position</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.set-size"></a>set_size</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.get-layer"></a>get_layer</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.get-mdi-zorder"></a>get_mdi_zorder</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.bounds-changed"></a>bounds_changed</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="AtkComponentIface.get-alpha"></a>get_alpha</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="AtkRectangle-struct"></a><h3>struct AtkRectangle</h3>
<pre class="programlisting">struct AtkRectangle {
  gint x;
  gint y;
  gint width;
  gint height;
};
</pre>
<p>A data structure for holding a rectangle. Those coordinates are
relative to the component top-level parent.</p>
<div class="refsect3">
<a name="AtkRectangle.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 href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="AtkRectangle-struct.x"></a>x</code></em>;</p></td>
<td class="struct_member_description"><p>X coordinate of the left side of the rectangle.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="AtkRectangle-struct.y"></a>y</code></em>;</p></td>
<td class="struct_member_description"><p>Y coordinate of the top side of the rectangle.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="AtkRectangle-struct.width"></a>width</code></em>;</p></td>
<td class="struct_member_description"><p>width of the rectangle.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="AtkRectangle-struct.height"></a>height</code></em>;</p></td>
<td class="struct_member_description"><p>height of the rectangle.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="AtkComponent.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="AtkComponent-bounds-changed"></a><h3>The <code class="literal">“bounds-changed”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="AtkComponent.html" title="AtkComponent"><span class="type">AtkComponent</span></a> *atkcomponent,
               <a class="link" href="AtkComponent.html#AtkRectangle"><span class="type">AtkRectangle</span></a> *arg1,
               <a href="../glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>      user_data)</pre>
<p>The 'bounds-changed" signal is emitted when the bposition or
size of the component changes.</p>
<div class="refsect3">
<a name="AtkComponent-bounds-changed.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>atkcomponent</p></td>
<td class="parameter_description"><p>the object which received the signal.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>arg1</p></td>
<td class="parameter_description"><p>The AtkRectangle giving the new position and size.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: <a href="../gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p>
</div>
</div>
</div>
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