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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>GAction</title>
-<meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
-<link rel="home" href="index.html" title="GIO Reference Manual">
-<link rel="up" href="application.html" title="Application support">
-<link rel="prev" href="GSimpleActionGroup.html" title="GSimpleActionGroup">
-<link rel="next" href="GSimpleAction.html" title="GSimpleAction">
-<meta name="generator" content="GTK-Doc V1.18 (XML mode)">
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-<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
-<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2">
-<tr valign="middle">
-<td><a accesskey="p" href="GSimpleActionGroup.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
-<td><a accesskey="u" href="application.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
-<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
-<th width="100%" align="center">GIO Reference Manual</th>
-<td><a accesskey="n" href="GSimpleAction.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
-</tr>
-<tr><td colspan="5" class="shortcuts">
-<a href="#GAction.synopsis" class="shortcut">Top</a>
-  | 
- <a href="#GAction.description" class="shortcut">Description</a>
-  | 
- <a href="#GAction.object-hierarchy" class="shortcut">Object Hierarchy</a>
-  | 
- <a href="#GAction.prerequisites" class="shortcut">Prerequisites</a>
-  | 
- <a href="#GAction.implementations" class="shortcut">Known Implementations</a>
-  | 
- <a href="#GAction.properties" class="shortcut">Properties</a>
-</td></tr>
-</table>
-<div class="refentry">
-<a name="GAction"></a><div class="titlepage"></div>
-<div class="refnamediv"><table width="100%"><tr>
-<td valign="top">
-<h2><span class="refentrytitle"><a name="GAction.top_of_page"></a>GAction</span></h2>
-<p>GAction — An action interface</p>
-</td>
-<td valign="top" align="right"></td>
-</tr></table></div>
-<div class="refsynopsisdiv">
-<a name="GAction.synopsis"></a><h2>Synopsis</h2>
-<pre class="synopsis"> <a class="link" href="GAction.html#GAction-struct" title="GAction">GAction</a>;
-struct <a class="link" href="GAction.html#GActionInterface" title="struct GActionInterface">GActionInterface</a>;
-
-const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="GAction.html#g-action-get-name" title="g_action_get_name ()">g_action_get_name</a> (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);
-const <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="returnvalue">GVariantType</span></a> * <a class="link" href="GAction.html#g-action-get-parameter-type" title="g_action_get_parameter_type ()">g_action_get_parameter_type</a> (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);
-const <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="returnvalue">GVariantType</span></a> * <a class="link" href="GAction.html#g-action-get-state-type" title="g_action_get_state_type ()">g_action_get_state_type</a> (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);
-<a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * <a class="link" href="GAction.html#g-action-get-state-hint" title="g_action_get_state_hint ()">g_action_get_state_hint</a> (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);
-
-<a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="GAction.html#g-action-get-enabled" title="g_action_get_enabled ()">g_action_get_enabled</a> (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);
-<a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * <a class="link" href="GAction.html#g-action-get-state" title="g_action_get_state ()">g_action_get_state</a> (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);
-
-<span class="returnvalue">void</span> <a class="link" href="GAction.html#g-action-change-state" title="g_action_change_state ()">g_action_change_state</a> (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>,
- <em class="parameter"><code><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *value</code></em>);
-<span class="returnvalue">void</span> <a class="link" href="GAction.html#g-action-activate" title="g_action_activate ()">g_action_activate</a> (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>,
- <em class="parameter"><code><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *parameter</code></em>);
-</pre>
-</div>
-<div class="refsect1">
-<a name="GAction.object-hierarchy"></a><h2>Object Hierarchy</h2>
-<pre class="synopsis">
- GInterface
- +----GAction
-</pre>
-</div>
-<div class="refsect1">
-<a name="GAction.prerequisites"></a><h2>Prerequisites</h2>
-<p>
-GAction requires
- <a href="./../gobject/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>.</p>
-</div>
-<div class="refsect1">
-<a name="GAction.implementations"></a><h2>Known Implementations</h2>
-<p>
-GAction is implemented by
- <a class="link" href="GSimpleAction.html" title="GSimpleAction">GSimpleAction</a>.</p>
-</div>
-<div class="refsect1">
-<a name="GAction.properties"></a><h2>Properties</h2>
-<pre class="synopsis">
- "<a class="link" href="GAction.html#GAction--enabled" title='The "enabled" property'>enabled</a>" <a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read
- "<a class="link" href="GAction.html#GAction--name" title='The "name" property'>name</a>" <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read
- "<a class="link" href="GAction.html#GAction--parameter-type" title='The "parameter-type" property'>parameter-type</a>" <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a>* : Read
- "<a class="link" href="GAction.html#GAction--state" title='The "state" property'>state</a>" <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>* : Read
- "<a class="link" href="GAction.html#GAction--state-type" title='The "state-type" property'>state-type</a>" <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a>* : Read
-</pre>
-</div>
-<div class="refsect1">
-<a name="GAction.description"></a><h2>Description</h2>
-<p>
-<a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> represents a single named action.
-</p>
-<p>
-The main interface to an action is that it can be activated with
-<a class="link" href="GAction.html#g-action-activate" title="g_action_activate ()"><code class="function">g_action_activate()</code></a>. This results in the 'activate' signal being
-emitted. An activation has a <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> parameter (which may be
-<a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>). The correct type for the parameter is determined by a static
-parameter type (which is given at construction time).
-</p>
-<p>
-An action may optionally have a state, in which case the state may be
-set with <a class="link" href="GAction.html#g-action-change-state" title="g_action_change_state ()"><code class="function">g_action_change_state()</code></a>. This call takes a <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>. The
-correct type for the state is determined by a static state type
-(which is given at construction time).
-</p>
-<p>
-The state may have a hint associated with it, specifying its valid
-range.
-</p>
-<p>
-<a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> is merely the interface to the concept of an action, as
-described above. Various implementations of actions exist, including
-<a class="link" href="GSimpleAction.html" title="GSimpleAction"><span class="type">GSimpleAction</span></a> and <a href="http://developer.gnome.org/devel/gtk/GtkAction.html"><span class="type">GtkAction</span></a>.
-</p>
-<p>
-In all cases, the implementing class is responsible for storing the
-name of the action, the parameter type, the enabled state, the
-optional state type and the state and emitting the appropriate
-signals when these change. The implementor responsible for filtering
-calls to <a class="link" href="GAction.html#g-action-activate" title="g_action_activate ()"><code class="function">g_action_activate()</code></a> and <a class="link" href="GAction.html#g-action-change-state" title="g_action_change_state ()"><code class="function">g_action_change_state()</code></a> for type
-safety and for the state being enabled.
-</p>
-<p>
-Probably the only useful thing to do with a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> is to put it
-inside of a <a class="link" href="GSimpleActionGroup.html" title="GSimpleActionGroup"><span class="type">GSimpleActionGroup</span></a>.
-</p>
-</div>
-<div class="refsect1">
-<a name="GAction.details"></a><h2>Details</h2>
-<div class="refsect2">
-<a name="GAction-struct"></a><h3>GAction</h3>
-<pre class="programlisting">typedef struct _GAction GAction;</pre>
-</div>
-<hr>
-<div class="refsect2">
-<a name="GActionInterface"></a><h3>struct GActionInterface</h3>
-<pre class="programlisting">struct GActionInterface {
- GTypeInterface g_iface;
-
- /* virtual functions */
- const gchar * (* get_name) (GAction *action);
- const GVariantType * (* get_parameter_type) (GAction *action);
- const GVariantType * (* get_state_type) (GAction *action);
- GVariant * (* get_state_hint) (GAction *action);
-
- gboolean (* get_enabled) (GAction *action);
- GVariant * (* get_state) (GAction *action);
-
- void (* change_state) (GAction *action,
- GVariant *value);
- void (* activate) (GAction *action,
- GVariant *parameter);
-};
-</pre>
-<p>
-The virtual function table for <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><a href="./../gobject/gobject/gobject-Type-Information.html#GTypeInterface"><span class="type">GTypeInterface</span></a> <em class="structfield"><code><a name="GActionInterface.g-iface"></a>g_iface</code></em>;</span></p></td>
-<td></td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="structfield"><code><a name="GActionInterface.get-name"></a>get_name</code></em> ()</span></p></td>
-<td>the virtual function pointer for <a class="link" href="GAction.html#g-action-get-name" title="g_action_get_name ()"><code class="function">g_action_get_name()</code></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="structfield"><code><a name="GActionInterface.get-parameter-type"></a>get_parameter_type</code></em> ()</span></p></td>
-<td>the virtual function pointer for <a class="link" href="GAction.html#g-action-get-parameter-type" title="g_action_get_parameter_type ()"><code class="function">g_action_get_parameter_type()</code></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="structfield"><code><a name="GActionInterface.get-state-type"></a>get_state_type</code></em> ()</span></p></td>
-<td>the virtual function pointer for <a class="link" href="GAction.html#g-action-get-state-type" title="g_action_get_state_type ()"><code class="function">g_action_get_state_type()</code></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="structfield"><code><a name="GActionInterface.get-state-hint"></a>get_state_hint</code></em> ()</span></p></td>
-<td>the virtual function pointer for <a class="link" href="GAction.html#g-action-get-state-hint" title="g_action_get_state_hint ()"><code class="function">g_action_get_state_hint()</code></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="structfield"><code><a name="GActionInterface.get-enabled"></a>get_enabled</code></em> ()</span></p></td>
-<td>the virtual function pointer for <a class="link" href="GAction.html#g-action-get-enabled" title="g_action_get_enabled ()"><code class="function">g_action_get_enabled()</code></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="structfield"><code><a name="GActionInterface.get-state"></a>get_state</code></em> ()</span></p></td>
-<td>the virtual function pointer for <a class="link" href="GAction.html#g-action-get-state" title="g_action_get_state ()"><code class="function">g_action_get_state()</code></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="structfield"><code><a name="GActionInterface.change-state"></a>change_state</code></em> ()</span></p></td>
-<td>the virtual function pointer for <a class="link" href="GAction.html#g-action-change-state" title="g_action_change_state ()"><code class="function">g_action_change_state()</code></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="structfield"><code><a name="GActionInterface.activate"></a>activate</code></em> ()</span></p></td>
-<td>the virtual function pointer for <a class="link" href="GAction.html#g-action-activate" title="g_action_activate ()"><code class="function">g_action_activate()</code></a>. Note that <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> does not have an
-'activate' signal but that implementations of it may have one.</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-action-get-name"></a><h3>g_action_get_name ()</h3>
-<pre class="programlisting">const <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * g_action_get_name (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);</pre>
-<p>
-Queries the name of <em class="parameter"><code>action</code></em>.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>action</code></em> :</span></p></td>
-<td>a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>the name of the action</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-action-get-parameter-type"></a><h3>g_action_get_parameter_type ()</h3>
-<pre class="programlisting">const <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="returnvalue">GVariantType</span></a> * g_action_get_parameter_type (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);</pre>
-<p>
-Queries the type of the parameter that must be given when activating
-<em class="parameter"><code>action</code></em>.
-</p>
-<p>
-When activating the action using <a class="link" href="GAction.html#g-action-activate" title="g_action_activate ()"><code class="function">g_action_activate()</code></a>, the <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>
-given to that function must be of the type returned by this function.
-</p>
-<p>
-In the case that this function returns <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, you must not give any
-<a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>, but <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> instead.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>action</code></em> :</span></p></td>
-<td>a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>the parameter type. <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>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-action-get-state-type"></a><h3>g_action_get_state_type ()</h3>
-<pre class="programlisting">const <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="returnvalue">GVariantType</span></a> * g_action_get_state_type (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);</pre>
-<p>
-Queries the type of the state of <em class="parameter"><code>action</code></em>.
-</p>
-<p>
-If the action is stateful (e.g. created with
-<a class="link" href="GSimpleAction.html#g-simple-action-new-stateful" title="g_simple_action_new_stateful ()"><code class="function">g_simple_action_new_stateful()</code></a>) then this function returns the
-<a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a> of the state. This is the type of the initial value
-given as the state. All calls to <a class="link" href="GAction.html#g-action-change-state" title="g_action_change_state ()"><code class="function">g_action_change_state()</code></a> must give a
-<a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> of this type and <a class="link" href="GAction.html#g-action-get-state" title="g_action_get_state ()"><code class="function">g_action_get_state()</code></a> will return a
-<a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> of the same type.
-</p>
-<p>
-If the action is not stateful (e.g. created with <a class="link" href="GSimpleAction.html#g-simple-action-new" title="g_simple_action_new ()"><code class="function">g_simple_action_new()</code></a>)
-then this function will return <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. In that case, <a class="link" href="GAction.html#g-action-get-state" title="g_action_get_state ()"><code class="function">g_action_get_state()</code></a>
-will return <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> and you must not call <a class="link" href="GAction.html#g-action-change-state" title="g_action_change_state ()"><code class="function">g_action_change_state()</code></a>.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>action</code></em> :</span></p></td>
-<td>a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>the state type, if the action is stateful. <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>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-action-get-state-hint"></a><h3>g_action_get_state_hint ()</h3>
-<pre class="programlisting"><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * g_action_get_state_hint (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);</pre>
-<p>
-Requests a hint about the valid range of values for the state of
-<em class="parameter"><code>action</code></em>.
-</p>
-<p>
-If <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> is returned it either means that the action is not stateful
-or that there is no hint about the valid range of values for the
-state of the action.
-</p>
-<p>
-If a <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> array is returned then each item in the array is a
-possible value for the state. If a <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> pair (ie: two-tuple) is
-returned then the tuple specifies the inclusive lower and upper bound
-of valid values for the state.
-</p>
-<p>
-In any case, the information is merely a hint. It may be possible to
-have a state value outside of the hinted range and setting a value
-within the range may fail.
-</p>
-<p>
-The return value (if non-<a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>) should be freed with
-<a href="./../glib/glib/glib-GVariant.html#g-variant-unref"><code class="function">g_variant_unref()</code></a> when it is no longer required.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>action</code></em> :</span></p></td>
-<td>a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>the state range hint. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
-</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-action-get-enabled"></a><h3>g_action_get_enabled ()</h3>
-<pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> g_action_get_enabled (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);</pre>
-<p>
-Checks if <em class="parameter"><code>action</code></em> is currently enabled.
-</p>
-<p>
-An action must be enabled in order to be activated or in order to
-have its state changed from outside callers.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>action</code></em> :</span></p></td>
-<td>a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>whether the action is enabled</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-action-get-state"></a><h3>g_action_get_state ()</h3>
-<pre class="programlisting"><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="returnvalue">GVariant</span></a> * g_action_get_state (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>);</pre>
-<p>
-Queries the current state of <em class="parameter"><code>action</code></em>.
-</p>
-<p>
-If the action is not stateful then <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> will be returned. If the
-action is stateful then the type of the return value is the type
-given by <a class="link" href="GAction.html#g-action-get-state-type" title="g_action_get_state_type ()"><code class="function">g_action_get_state_type()</code></a>.
-</p>
-<p>
-The return value (if non-<a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>) should be freed with
-<a href="./../glib/glib/glib-GVariant.html#g-variant-unref"><code class="function">g_variant_unref()</code></a> when it is no longer required.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>action</code></em> :</span></p></td>
-<td>a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
-<td>the current state of the action. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
-</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-action-change-state"></a><h3>g_action_change_state ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_action_change_state (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>,
- <em class="parameter"><code><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *value</code></em>);</pre>
-<p>
-Request for the state of <em class="parameter"><code>action</code></em> to be changed to <em class="parameter"><code>value</code></em>.
-</p>
-<p>
-The action must be stateful and <em class="parameter"><code>value</code></em> must be of the correct type.
-See <a class="link" href="GAction.html#g-action-get-state-type" title="g_action_get_state_type ()"><code class="function">g_action_get_state_type()</code></a>.
-</p>
-<p>
-This call merely requests a change. The action may refuse to change
-its state or may change its state to something other than <em class="parameter"><code>value</code></em>.
-See <a class="link" href="GAction.html#g-action-get-state-hint" title="g_action_get_state_hint ()"><code class="function">g_action_get_state_hint()</code></a>.
-</p>
-<p>
-If the <em class="parameter"><code>value</code></em> GVariant is floating, it is consumed.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>action</code></em> :</span></p></td>
-<td>a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
-<td>the new state</td>
-</tr>
-</tbody>
-</table></div>
-<p class="since">Since 2.30</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="g-action-activate"></a><h3>g_action_activate ()</h3>
-<pre class="programlisting"><span class="returnvalue">void</span> g_action_activate (<em class="parameter"><code><a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a> *action</code></em>,
- <em class="parameter"><code><a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a> *parameter</code></em>);</pre>
-<p>
-Activates the action.
-</p>
-<p>
-<em class="parameter"><code>parameter</code></em> must be the correct type of parameter for the action (ie:
-the parameter type given at construction time). If the parameter
-type was <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> then <em class="parameter"><code>parameter</code></em> must also be <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.
-</p>
-<div class="variablelist"><table border="0">
-<col align="left" valign="top">
-<tbody>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>action</code></em> :</span></p></td>
-<td>a <a class="link" href="GAction.html" title="GAction"><span class="type">GAction</span></a>
-</td>
-</tr>
-<tr>
-<td><p><span class="term"><em class="parameter"><code>parameter</code></em> :</span></p></td>
-<td>the parameter to the activation. <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>
-<p class="since">Since 2.28</p>
-</div>
-</div>
-<div class="refsect1">
-<a name="GAction.property-details"></a><h2>Property Details</h2>
-<div class="refsect2">
-<a name="GAction--enabled"></a><h3>The <code class="literal">"enabled"</code> property</h3>
-<pre class="programlisting"> "enabled" <a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read</pre>
-<p>
-If <em class="parameter"><code>action</code></em> is currently enabled.
-</p>
-<p>
-If the action is disabled then calls to <a class="link" href="GAction.html#g-action-activate" title="g_action_activate ()"><code class="function">g_action_activate()</code></a> and
-<a class="link" href="GAction.html#g-action-change-state" title="g_action_change_state ()"><code class="function">g_action_change_state()</code></a> have no effect.
-</p>
-<p>Default value: TRUE</p>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="GAction--name"></a><h3>The <code class="literal">"name"</code> property</h3>
-<pre class="programlisting"> "name" <a href="./../glib/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read</pre>
-<p>
-The name of the action. This is mostly meaningful for identifying
-the action once it has been added to a <a class="link" href="GActionGroup.html" title="GActionGroup"><span class="type">GActionGroup</span></a>.
-</p>
-<p>Default value: NULL</p>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="GAction--parameter-type"></a><h3>The <code class="literal">"parameter-type"</code> property</h3>
-<pre class="programlisting"> "parameter-type" <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a>* : Read</pre>
-<p>
-The type of the parameter that must be given when activating the
-action.
-</p>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="GAction--state"></a><h3>The <code class="literal">"state"</code> property</h3>
-<pre class="programlisting"> "state" <a href="./../glib/glib/glib-GVariant.html#GVariant"><span class="type">GVariant</span></a>* : Read</pre>
-<p>
-The state of the action, or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the action is stateless.
-</p>
-<p>Allowed values: GVariant&lt;*&gt;</p>
-<p>Default value: NULL</p>
-<p class="since">Since 2.28</p>
-</div>
-<hr>
-<div class="refsect2">
-<a name="GAction--state-type"></a><h3>The <code class="literal">"state-type"</code> property</h3>
-<pre class="programlisting"> "state-type" <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a>* : Read</pre>
-<p>
-The <a href="./../glib/glib/glib-GVariantType.html#GVariantType"><span class="type">GVariantType</span></a> of the state that the action has, or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the
-action is stateless.
-</p>
-<p class="since">Since 2.28</p>
-</div>
-</div>
-</div>
-<div class="footer">
-<hr>
- Generated by GTK-Doc V1.18</div>
-</body>
-</html> \ No newline at end of file
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