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<title>ClutterState: Clutter Reference Manual</title>
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<a href="#ClutterState.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
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<div class="refentry">
<a name="ClutterState"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="ClutterState.top_of_page"></a>ClutterState</span></h2>
<p>ClutterState — State machine with animated transitions</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="ClutterState.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="ClutterState.html" title="ClutterState"><span class="returnvalue">ClutterState</span></a> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-new" title="clutter_state_new ()">clutter_state_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="returnvalue">ClutterTimeline</span></a> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-set-state" title="clutter_state_set_state ()">clutter_state_set_state</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">gchar</span> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-get-state" title="clutter_state_get_state ()">clutter_state_get_state</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="returnvalue">ClutterTimeline</span></a> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-warp-to-state" title="clutter_state_warp_to_state ()">clutter_state_warp_to_state</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="ClutterState.html#clutter-state-set" title="clutter_state_set ()">clutter_state_set</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="ClutterState.html" title="ClutterState"><span class="returnvalue">ClutterState</span></a> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-set-key" title="clutter_state_set_key ()">clutter_state_set_key</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="ClutterState.html#clutter-state-set-duration" title="clutter_state_set_duration ()">clutter_state_set_duration</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">guint</span>
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-get-duration" title="clutter_state_get_duration ()">clutter_state_get_duration</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GList</span> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-get-states" title="clutter_state_get_states ()">clutter_state_get_states</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GList</span> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-get-keys" title="clutter_state_get_keys ()">clutter_state_get_keys</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="ClutterState.html#clutter-state-remove-key" title="clutter_state_remove_key ()">clutter_state_remove_key</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="returnvalue">ClutterTimeline</span></a> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-get-timeline" title="clutter_state_get_timeline ()">clutter_state_get_timeline</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="ClutterState.html#clutter-state-set-animator" title="clutter_state_set_animator ()">clutter_state_set_animator</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="ClutterAnimator.html" title="ClutterAnimator"><span class="returnvalue">ClutterAnimator</span></a> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-get-animator" title="clutter_state_get_animator ()">clutter_state_get_animator</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">gchar</span> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-source-state-name" title="clutter_state_key_get_source_state_name ()">clutter_state_key_get_source_state_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">gchar</span> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-target-state-name" title="clutter_state_key_get_target_state_name ()">clutter_state_key_get_target_state_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GObject</span> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-object" title="clutter_state_key_get_object ()">clutter_state_key_get_object</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">gchar</span> *
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-property-name" title="clutter_state_key_get_property_name ()">clutter_state_key_get_property_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gulong</span>
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-mode" title="clutter_state_key_get_mode ()">clutter_state_key_get_mode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-value" title="clutter_state_key_get_value ()">clutter_state_key_get_value</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GType</span>
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-property-type" title="clutter_state_key_get_property_type ()">clutter_state_key_get_property_type</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gdouble</span>
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-pre-delay" title="clutter_state_key_get_pre_delay ()">clutter_state_key_get_pre_delay</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gdouble</span>
</td>
<td class="function_name">
<a class="link" href="ClutterState.html#clutter-state-key-get-post-delay" title="clutter_state_key_get_post_delay ()">clutter_state_key_get_post_delay</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="ClutterState.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><span class="type">guint</span></td>
<td class="property_name"><a class="link" href="ClutterState.html#ClutterState--duration" title="The “duration” property">duration</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type">
<span class="type">gchar</span> *</td>
<td class="property_name"><a class="link" href="ClutterState.html#ClutterState--state" title="The “state” property">state</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="ClutterState.signals"></a><h2>Signals</h2>
<div class="informaltable"><table 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="ClutterState.html#ClutterState-completed" title="The “completed” signal">completed</a></td>
<td class="signal_flags">Run Last</td>
</tr></tbody>
</table></div>
</div>
<a name="ClutterStateKey"></a><div class="refsect1">
<a name="ClutterState.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table 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="ClutterState.html#ClutterState-struct" title="ClutterState">ClutterState</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="ClutterState.html#ClutterStateClass" title="struct ClutterStateClass">ClutterStateClass</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="ClutterState.html#ClutterStateKey-struct" title="ClutterStateKey">ClutterStateKey</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="ClutterState.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GBoxed
<span class="lineart">╰──</span> ClutterStateKey
GObject
<span class="lineart">╰──</span> ClutterState
</pre>
</div>
<div class="refsect1">
<a name="ClutterState.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
ClutterState implements
<a class="link" href="ClutterScriptable.html" title="ClutterScriptable">ClutterScriptable</a>.</p>
</div>
<div class="refsect1">
<a name="ClutterState.description"></a><h2>Description</h2>
<p><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> is an object controlling the tweening of properties on
multiple actors between a set of named states. <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a>s
define how the properties are animated. If the source_state_name for a key
is NULL it is used for transition to the target state unless a specific key
exists for transitioning from the current state to the requested state.</p>
<p><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> is available since Clutter 1.4.</p>
<p><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> has been deprecated in Clutter 1.12. There is no direct
replacement for this API, but it's highly suggested you use a combination
of <a class="link" href="ClutterActor.html#clutter-actor-animation" title="Animation">implicit transitions</a> and explicit transitions
using <a class="link" href="ClutterTransition.html" title="ClutterTransition"><span class="type">ClutterTransition</span></a> and its subclasses.</p>
<div class="refsect3">
<a name="id-1.11.18.10.5"></a><h4>Using ClutterState</h4>
<p>The following example defines a "base" and a "hover" state in a
<a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance.</p>
<div class="informalexample"><pre class="programlisting">
ClutterState *state = clutter_state_new ();
ClutterColor color = { 0, };
// transition from any state to the "base" state
clutter_color_from_string (&color, "rgb(255, 0, 0)");
clutter_state_set (state, NULL, "base",
actor, "color", CLUTTER_LINEAR, &color,
actor, "scale-x", CLUTTER_EASE_IN_BOUNCE, 1.0,
actor, "scale-y", CLUTTER_EASE_IN_BOUNCE, 1.0,
NULL);
// transition from the "base" state to the "hover" state
clutter_color_from_string (&color, "rgb(0, 0, 255)");
clutter_state_set (state, "base", "hover",
actor, "color", CLUTTER_LINEAR, &color,
actor, "scale-x", CLUTTER_EASE_OUT_BOUNCE, 1.7,
actor, "scale-y", CLUTTER_EASE_OUT_BOUNCE, 1.7,
NULL);
// the default duration of any transition
clutter_state_set_duration (state, NULL, NULL, 500);
// set "base" as the initial state
clutter_state_warp_to_state (state, "base");
</pre></div>
<p></p>
<p>The actor then uses the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> to animate through the
two states using callbacks for the <a class="link" href="ClutterActor.html#ClutterActor-enter-event" title="The “enter-event” signal"><span class="type">“enter-event”</span></a> and
<a class="link" href="ClutterActor.html#ClutterActor-leave-event" title="The “leave-event” signal"><span class="type">“leave-event”</span></a> signals.</p>
<div class="informalexample"><pre class="programlisting">
static gboolean
on_enter (ClutterActor *actor,
ClutterEvent *event,
ClutterState *state)
{
clutter_state_set_state (state, "hover");
return CLUTTER_EVENT_STOP;
}
static gboolean
on_leave (ClutterActor *actor,
ClutterEvent *event,
ClutterState *state)
{
clutter_state_set_state (state, "base");
return CLUTTER_EVENT_STOP;
}
</pre></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.10.6"></a><h4>ClutterState description for ClutterScript</h4>
<p><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> defines a custom <code class="literal">transitions</code> JSON object member which
allows describing the states.</p>
<p>The <code class="literal">transitions</code> property has the following syntax:</p>
<div class="informalexample"><pre class="programlisting">
{
"transitions" : [
{
"source" : "source-state",
"target" : "target-state",
"duration" : milliseconds,
"keys" : [
[
"object-id",
"property-name",
"easing-mode",
"final-value",
],
[
"object-id",
"property-name",
"easing-mode",
"final-value",
pre-delay,
post-delay;
],
...
]
},
{
"source" : "source-state",
"target" : "target-state",
"duration" : milliseconds,
"animator" : "animator-definition"
},
...
]
}
</pre></div>
<p></p>
<p>Each element of the transitions array follows the same rules and order
as <a class="link" href="ClutterState.html#clutter-state-set-key" title="clutter_state_set_key ()"><code class="function">clutter_state_set_key()</code></a> function arguments.</p>
<p>The source and target values control the source and target state of the
transition. The key and animator properties are mutually exclusive.</p>
<p>The pre-delay and post-delay values are optional.</p>
<p>The example below is a translation into a <a class="link" href="ClutterScript.html" title="ClutterScript"><span class="type">ClutterScript</span></a> definition of
the code in the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> example above.</p>
<div class="informalexample"><pre class="programlisting">
{
"id" : "button-state",
"type" : "ClutterState",
"duration" : 500,
"transitions" : [
{
"source" : "*",
"target" : "base",
"keys" : [
[ "button", "color", "linear", "rgb(255, 0, 0)" ],
[ "button", "scale-x", "easeInBounce", 1.0 ],
[ "button", "scale-y", "easeInBounce", 1.0 ]
]
},
{
"source" : "base",
"target" : "hover",
"keys" : [
[ "button", "color", "linear", "rgb(0, 0, 255)" ],
[ "button", "scale-x", "easeOutBounce", 1.7 ],
[ "button", "scale-y", "easeOutBounce", 1.7 ]
]
}
]
}
</pre></div>
<p></p>
</div>
</div>
<div class="refsect1">
<a name="ClutterState.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="clutter-state-new"></a><h3>clutter_state_new ()</h3>
<pre class="programlisting"><a class="link" href="ClutterState.html" title="ClutterState"><span class="returnvalue">ClutterState</span></a> *
clutter_state_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_new</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Creates a new <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a></p>
<div class="refsect3">
<a name="id-1.11.18.11.2.7"></a><h4>Returns</h4>
<p> the newly create <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-set-state"></a><h3>clutter_state_set_state ()</h3>
<pre class="programlisting"><a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="returnvalue">ClutterTimeline</span></a> *
clutter_state_set_state (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_set_state</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Change the current state of <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> to <em class="parameter"><code>target_state_name</code></em>
.</p>
<p>The state will animate during its transition, see
<a class="link" href="ClutterState.html#clutter-state-warp-to-state" title="clutter_state_warp_to_state ()"><span class="type">clutter_state_warp_to_state</span></a> for animation-free state switching.</p>
<p>Setting a <code class="literal">NULL</code> state will stop the current animation and unset
the current state, but keys will be left intact.</p>
<div class="refsect3">
<a name="id-1.11.18.11.3.9"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p>the state to transition to</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.3.10"></a><h4>Returns</h4>
<p> the <a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="type">ClutterTimeline</span></a> that drives the
state transition. The returned timeline is owned by the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a>
and it should not be unreferenced. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-get-state"></a><h3>clutter_state_get_state ()</h3>
<pre class="programlisting">const <span class="returnvalue">gchar</span> *
clutter_state_get_state (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_get_state</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Queries the currently set target state.</p>
<p>During a transition this function will return the target of the transition.</p>
<p>This function is useful when called from handlers of the
<a class="link" href="ClutterState.html#ClutterState-completed" title="The “completed” signal"><span class="type">“completed”</span></a> signal.</p>
<div class="refsect3">
<a name="id-1.11.18.11.4.9"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.4.10"></a><h4>Returns</h4>
<p> a string containing the target state. The returned string
is owned by the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> and should not be modified or freed</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-warp-to-state"></a><h3>clutter_state_warp_to_state ()</h3>
<pre class="programlisting"><a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="returnvalue">ClutterTimeline</span></a> *
clutter_state_warp_to_state (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_warp_to_state</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Change to the specified target state immediately with no animation.</p>
<p>See <a class="link" href="ClutterState.html#clutter-state-set-state" title="clutter_state_set_state ()"><code class="function">clutter_state_set_state()</code></a>.</p>
<div class="refsect3">
<a name="id-1.11.18.11.5.8"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p>the state to transition to</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.5.9"></a><h4>Returns</h4>
<p> the <a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="type">ClutterTimeline</span></a> that drives the
state transition. The returned timeline is owned by the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a>
and it should not be unreferenced. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-set"></a><h3>clutter_state_set ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
clutter_state_set (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *source_state_name</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> first_object</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *first_property_name</code></em>,
<em class="parameter"><code><span class="type">gulong</span> first_mode</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_set</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Adds multiple keys to a named state of a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance, specifying
the easing mode and value a given property of an object should have at a
given progress of the animation.</p>
<p>The mode specified is the easing mode used when going to from the previous
key to the specified key.</p>
<p>For instance, the code below:</p>
<div class="informalexample"><pre class="programlisting">
clutter_state_set (state, NULL, "hover",
button, "opacity", CLUTTER_LINEAR, 255,
button, "scale-x", CLUTTER_EASE_OUT_CUBIC, 1.2,
button, "scale-y", CLUTTER_EASE_OUT_CUBIC, 1.2,
NULL);
</pre></div>
<p></p>
<p>will create a transition from any state (a <em class="parameter"><code>source_state_name</code></em>
or NULL is
treated as a wildcard) and a state named "hover"; the
button object will have the <a class="link" href="ClutterActor.html#ClutterActor--opacity" title="The “opacity” property"><span class="type">“opacity”</span></a>
property animated to a value of 255 using <a class="link" href="ClutterTimeline.html#CLUTTER-LINEAR:CAPS"><code class="literal">CLUTTER_LINEAR</code></a> as the animation
mode, and the <a class="link" href="ClutterActor.html#ClutterActor--scale-x" title="The “scale-x” property"><span class="type">“scale-x”</span></a> and <a class="link" href="ClutterActor.html#ClutterActor--scale-y" title="The “scale-y” property"><span class="type">“scale-y”</span></a> properties
animated to a value of 1.2 using <a class="link" href="ClutterTimeline.html#CLUTTER-EASE-OUT-CUBIC:CAPS"><code class="literal">CLUTTER_EASE_OUT_CUBIC</code></a> as the animation
mode. To change the state (and start the transition) you can use the
<a class="link" href="ClutterState.html#clutter-state-set-state" title="clutter_state_set_state ()"><code class="function">clutter_state_set_state()</code></a> function:</p>
<div class="informalexample"><pre class="programlisting">
clutter_state_set_state (state, "hover");
</pre></div>
<p></p>
<p>If a given object, state_name, property tuple already exist in the
<a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance, then the mode and value will be replaced with
the new specified values.</p>
<p>If a property name is prefixed with "delayed::" two additional
arguments per key are expected: a value relative to the full state time
to pause before transitioning and a similar value to pause after
transitioning, e.g.:</p>
<div class="informalexample"><pre class="programlisting">
clutter_state_set (state, "hover", "toggled",
button, "delayed::scale-x", CLUTTER_LINEAR, 1.0, 0.2, 0.2,
button, "delayed::scale-y", CLUTTER_LINEAR, 1.0, 0.2, 0.2,
NULL);
</pre></div>
<p></p>
<p>will pause for 20% of the duration of the transition before animating,
and 20% of the duration after animating.</p>
<div class="refsect3">
<a name="id-1.11.18.11.6.19"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>source_state_name</p></td>
<td class="parameter_description"><p> the name of the source state keys are being added for. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p>the name of the target state keys are being added for</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>first_object</p></td>
<td class="parameter_description"><p>a <span class="type">GObject</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>first_property_name</p></td>
<td class="parameter_description"><p>a property of <em class="parameter"><code>first_object</code></em>
to specify a key for</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>first_mode</p></td>
<td class="parameter_description"><p>the id of the alpha function to use</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>...</p></td>
<td class="parameter_description"><p>the value <em class="parameter"><code>first_property_name</code></em>
should have in <em class="parameter"><code>target_state_name</code></em>
,
followed by object, property name, mode, value tuples, terminated
by <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-set-key"></a><h3>clutter_state_set_key ()</h3>
<pre class="programlisting"><a class="link" href="ClutterState.html" title="ClutterState"><span class="returnvalue">ClutterState</span></a> *
clutter_state_set_key (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *source_state_name</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>,
<em class="parameter"><code><span class="type">GObject</span> *object</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *property_name</code></em>,
<em class="parameter"><code><span class="type">guint</span> mode</code></em>,
<em class="parameter"><code>const <span class="type">GValue</span> *value</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> pre_delay</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> post_delay</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_set_key</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Sets one specific end key for a state name, <em class="parameter"><code>object</code></em>
, <em class="parameter"><code>property_name</code></em>
combination.</p>
<div class="refsect3">
<a name="id-1.11.18.11.7.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>source_state_name</p></td>
<td class="parameter_description"><p> the source transition to specify
transition for, or <code class="literal">NULL</code> to specify the default fallback when a
more specific source state doesn't exist. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p>the name of the transition to set a key value for.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p>the <span class="type">GObject</span> to set a key for</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>property_name</p></td>
<td class="parameter_description"><p>the property to set a key for</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mode</p></td>
<td class="parameter_description"><p>the id of the alpha function to use</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>the value for property_name of object in state_name</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pre_delay</p></td>
<td class="parameter_description"><p>relative time of the transition to be idle in the beginning
of the transition</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>post_delay</p></td>
<td class="parameter_description"><p>relative time of the transition to be idle in the end of
the transition</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.7.8"></a><h4>Returns</h4>
<p> the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance, allowing
chaining of multiple calls. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-set-duration"></a><h3>clutter_state_set_duration ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
clutter_state_set_duration (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *source_state_name</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>,
<em class="parameter"><code><span class="type">guint</span> duration</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_set_duration</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Sets the duration of a transition.</p>
<p>If both state names are <code class="literal">NULL</code> the default duration for <em class="parameter"><code>state</code></em>
is set.</p>
<p>If only <em class="parameter"><code>target_state_name</code></em>
is specified, the passed <em class="parameter"><code>duration</code></em>
becomes
the default duration for transitions to the target state.</p>
<p>If both states names are specified, the passed <em class="parameter"><code>duration</code></em>
only applies
to the specified transition.</p>
<div class="refsect3">
<a name="id-1.11.18.11.8.10"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>source_state_name</p></td>
<td class="parameter_description"><p> the name of the source state, or <code class="literal">NULL</code>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p> the name of the target state, or <code class="literal">NULL</code>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>duration</p></td>
<td class="parameter_description"><p>the duration of the transition, in milliseconds</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-get-duration"></a><h3>clutter_state_get_duration ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span>
clutter_state_get_duration (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *source_state_name</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_get_duration</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Queries the duration used for transitions between a source and
target state pair</p>
<p>The semantics for the query are the same as the semantics used for
setting the duration with <a class="link" href="ClutterState.html#clutter-state-set-duration" title="clutter_state_set_duration ()"><code class="function">clutter_state_set_duration()</code></a></p>
<div class="refsect3">
<a name="id-1.11.18.11.9.8"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>source_state_name</p></td>
<td class="parameter_description"><p> the name of the source state to
get the duration of, or <code class="literal">NULL</code>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p> the name of the source state to
get the duration of, or <code class="literal">NULL</code>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.9.9"></a><h4>Returns</h4>
<p> the duration, in milliseconds</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-get-states"></a><h3>clutter_state_get_states ()</h3>
<pre class="programlisting"><span class="returnvalue">GList</span> *
clutter_state_get_states (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_get_states</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Gets a list of all the state names managed by this <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a>.</p>
<div class="refsect3">
<a name="id-1.11.18.11.10.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.10.8"></a><h4>Returns</h4>
<p> a newly allocated
<span class="type">GList</span> of state names. The contents of the returned <span class="type">GList</span> are owned
by the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> and should not be modified or freed. Use
<code class="function">g_list_free()</code> to free the resources allocated by the returned list when
done using it. </p>
<p><span class="annotation">[<acronym title="Free data container after the code is done."><span class="acronym">transfer container</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> utf8]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-get-keys"></a><h3>clutter_state_get_keys ()</h3>
<pre class="programlisting"><span class="returnvalue">GList</span> *
clutter_state_get_keys (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *source_state_name</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>,
<em class="parameter"><code><span class="type">GObject</span> *object</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *property_name</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_get_keys</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Returns a list of pointers to opaque structures with accessor functions
that describe the keys added to an animator.</p>
<div class="refsect3">
<a name="id-1.11.18.11.11.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>source_state_name</p></td>
<td class="parameter_description"><p> the source transition name to query,
or <code class="literal">NULL</code> for all source states. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p> the target transition name to query,
or <code class="literal">NULL</code> for all target states. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p> the specific object instance to list keys for,
or <code class="literal">NULL</code> for all managed objects. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>property_name</p></td>
<td class="parameter_description"><p> the property name to search for, or <code class="literal">NULL</code>
for all properties. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.11.8"></a><h4>Returns</h4>
<p> a
newly allocated <span class="type">GList</span> of <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a>s. The contents of
the returned list are owned by the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> and should not be
modified or freed. Use <code class="function">g_list_free()</code> to free the resources allocated
by the returned list when done using it. </p>
<p><span class="annotation">[<acronym title="Free data container after the code is done."><span class="acronym">transfer container</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> Clutter.StateKey]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-remove-key"></a><h3>clutter_state_remove_key ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
clutter_state_remove_key (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *source_state_name</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>,
<em class="parameter"><code><span class="type">GObject</span> *object</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *property_name</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_remove_key</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Removes all keys matching the search criteria passed in arguments.</p>
<div class="refsect3">
<a name="id-1.11.18.11.12.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>source_state_name</p></td>
<td class="parameter_description"><p> the source state name to query,
or <code class="literal">NULL</code> for all source states. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p> the target state name to query,
or <code class="literal">NULL</code> for all target states. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p> the specific object instance to list keys for,
or <code class="literal">NULL</code> for all managed objects. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>property_name</p></td>
<td class="parameter_description"><p> the property name to search for,
or <code class="literal">NULL</code> for all properties. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-get-timeline"></a><h3>clutter_state_get_timeline ()</h3>
<pre class="programlisting"><a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="returnvalue">ClutterTimeline</span></a> *
clutter_state_get_timeline (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_get_timeline</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Gets the timeline driving the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a></p>
<div class="refsect3">
<a name="id-1.11.18.11.13.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.13.8"></a><h4>Returns</h4>
<p> the <a class="link" href="ClutterTimeline.html" title="ClutterTimeline"><span class="type">ClutterTimeline</span></a> that drives
the state change animations. The returned timeline is owned
by the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> and it should not be unreferenced directly. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-set-animator"></a><h3>clutter_state_set_animator ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
clutter_state_set_animator (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *source_state_name</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>,
<em class="parameter"><code><a class="link" href="ClutterAnimator.html" title="ClutterAnimator"><span class="type">ClutterAnimator</span></a> *animator</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_set_animator</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Specifies a <a class="link" href="ClutterAnimator.html" title="ClutterAnimator"><span class="type">ClutterAnimator</span></a> to be used when transitioning between
the two named states.</p>
<p>The <em class="parameter"><code>animator</code></em>
allows specifying a transition between the state that is
more elaborate than the basic transitions allowed by the tweening of
properties defined in the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> keys.</p>
<p>If <em class="parameter"><code>animator</code></em>
is <code class="literal">NULL</code> it will unset an existing animator.</p>
<p><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> will take a reference on the passed <em class="parameter"><code>animator</code></em>
, if any</p>
<div class="refsect3">
<a name="id-1.11.18.11.14.10"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>source_state_name</p></td>
<td class="parameter_description"><p>the name of a source state</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p>the name of a target state</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>animator</p></td>
<td class="parameter_description"><p> a <a class="link" href="ClutterAnimator.html" title="ClutterAnimator"><span class="type">ClutterAnimator</span></a> instance, or <code class="literal">NULL</code> to
unset an existing <a class="link" href="ClutterAnimator.html" title="ClutterAnimator"><span class="type">ClutterAnimator</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-get-animator"></a><h3>clutter_state_get_animator ()</h3>
<pre class="programlisting"><a class="link" href="ClutterAnimator.html" title="ClutterAnimator"><span class="returnvalue">ClutterAnimator</span></a> *
clutter_state_get_animator (<em class="parameter"><code><a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *source_state_name</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *target_state_name</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_get_animator</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves the <a class="link" href="ClutterAnimator.html" title="ClutterAnimator"><span class="type">ClutterAnimator</span></a> that is being used for transitioning
between the two states, if any has been set</p>
<div class="refsect3">
<a name="id-1.11.18.11.15.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> instance.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>source_state_name</p></td>
<td class="parameter_description"><p>the name of a source state</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>target_state_name</p></td>
<td class="parameter_description"><p>the name of a target state</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.15.8"></a><h4>Returns</h4>
<p> a <a class="link" href="ClutterAnimator.html" title="ClutterAnimator"><span class="type">ClutterAnimator</span></a> instance, or <code class="literal">NULL</code>. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-source-state-name"></a><h3>clutter_state_key_get_source_state_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">gchar</span> *
clutter_state_key_get_source_state_name
(<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *state_key</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_source_state_name</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves the name of the source state of the <em class="parameter"><code>state_key</code></em>
</p>
<div class="refsect3">
<a name="id-1.11.18.11.16.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state_key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.16.8"></a><h4>Returns</h4>
<p> the name of the source state for this key, or <code class="literal">NULL</code>
if this is the generic state key for the given property when
transitioning to the target state. The returned string is owned
by the <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> and should never be modified or freed</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-target-state-name"></a><h3>clutter_state_key_get_target_state_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">gchar</span> *
clutter_state_key_get_target_state_name
(<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *state_key</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_target_state_name</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Get the name of the source state this <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> contains,
or NULL if this is the generic state key for the given property
when transitioning to the target state.</p>
<div class="refsect3">
<a name="id-1.11.18.11.17.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state_key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.17.8"></a><h4>Returns</h4>
<p> the name of the source state for this key, or NULL if
the key is generic</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-object"></a><h3>clutter_state_key_get_object ()</h3>
<pre class="programlisting"><span class="returnvalue">GObject</span> *
clutter_state_key_get_object (<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *state_key</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_object</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves the object instance this <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> applies to.</p>
<div class="refsect3">
<a name="id-1.11.18.11.18.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state_key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.18.8"></a><h4>Returns</h4>
<p> the object this state key applies to. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-property-name"></a><h3>clutter_state_key_get_property_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">gchar</span> *
clutter_state_key_get_property_name (<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *state_key</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_property_name</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves the name of the property this <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> applies to</p>
<div class="refsect3">
<a name="id-1.11.18.11.19.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state_key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.19.8"></a><h4>Returns</h4>
<p> the name of the property. The returned string is owned
by the <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> and should never be modified or freed</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-mode"></a><h3>clutter_state_key_get_mode ()</h3>
<pre class="programlisting"><span class="returnvalue">gulong</span>
clutter_state_key_get_mode (<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *state_key</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_mode</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves the easing mode used for <em class="parameter"><code>state_key</code></em>
.</p>
<div class="refsect3">
<a name="id-1.11.18.11.20.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state_key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.20.8"></a><h4>Returns</h4>
<p> the mode of a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-value"></a><h3>clutter_state_key_get_value ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
clutter_state_key_get_value (<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *state_key</code></em>,
<em class="parameter"><code><span class="type">GValue</span> *value</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_value</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves a copy of the value for a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a>.</p>
<p>The <span class="type">GValue</span> needs to be already initialized for the value type
of the property or to a type that allow transformation from the value
type of the key.</p>
<p>Use <code class="function">g_value_unset()</code> when done.</p>
<div class="refsect3">
<a name="id-1.11.18.11.21.9"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state_key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>a <span class="type">GValue</span> initialized with the correct type for the <em class="parameter"><code>state_key</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.21.10"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if the value was successfully retrieved,
and <code class="literal">FALSE</code> otherwise</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-property-type"></a><h3>clutter_state_key_get_property_type ()</h3>
<pre class="programlisting"><span class="returnvalue">GType</span>
clutter_state_key_get_property_type (<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *key</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_property_type</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves the <span class="type">GType</span> of the property a key applies to</p>
<p>You can use this type to initialize the <span class="type">GValue</span> to pass to
<a class="link" href="ClutterState.html#clutter-state-key-get-value" title="clutter_state_key_get_value ()"><code class="function">clutter_state_key_get_value()</code></a></p>
<div class="refsect3">
<a name="id-1.11.18.11.22.8"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.22.9"></a><h4>Returns</h4>
<p> the <span class="type">GType</span> of the property</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-pre-delay"></a><h3>clutter_state_key_get_pre_delay ()</h3>
<pre class="programlisting"><span class="returnvalue">gdouble</span>
clutter_state_key_get_pre_delay (<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *state_key</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_pre_delay</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves the pause before transitioning starts as a fraction of
the total transition time.</p>
<div class="refsect3">
<a name="id-1.11.18.11.23.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state_key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.23.8"></a><h4>Returns</h4>
<p> the pre delay used before starting the transition.</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="clutter-state-key-get-post-delay"></a><h3>clutter_state_key_get_post_delay ()</h3>
<pre class="programlisting"><span class="returnvalue">gdouble</span>
clutter_state_key_get_post_delay (<em class="parameter"><code>const <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> *state_key</code></em>);</pre>
<div class="warning">
<p><code class="literal">clutter_state_key_get_post_delay</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Retrieves the duration of the pause after transitioning is complete
as a fraction of the total transition time.</p>
<div class="refsect3">
<a name="id-1.11.18.11.24.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state_key</p></td>
<td class="parameter_description"><p>a <a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.11.18.11.24.8"></a><h4>Returns</h4>
<p> the post delay, used after doing the transition.</p>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
</div>
<div class="refsect1">
<a name="ClutterState.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="ClutterState-struct"></a><h3>ClutterState</h3>
<pre class="programlisting">typedef struct _ClutterState ClutterState;</pre>
<p>The <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> structure contains only
private data and should be accessed using the provided API</p>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="ClutterStateClass"></a><h3>struct ClutterStateClass</h3>
<pre class="programlisting">struct ClutterStateClass {
void (* completed) (ClutterState *state);
};
</pre>
<div class="warning"><p><code class="literal">ClutterStateClass</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p></div>
<p>The <a class="link" href="ClutterState.html#ClutterStateClass" title="struct ClutterStateClass"><span class="type">ClutterStateClass</span></a> structure contains
only private data</p>
<div class="refsect3">
<a name="id-1.11.18.12.3.7"></a><h4>Members</h4>
<div class="informaltable"><table 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><em class="structfield"><code><a name="ClutterStateClass.completed"></a>completed</code></em> ()</p></td>
<td class="struct_member_description"><p>class handler for the <a class="link" href="ClutterState.html#ClutterState-completed" title="The “completed” signal"><span class="type">“completed”</span></a> signal</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="ClutterStateKey-struct"></a><h3>ClutterStateKey</h3>
<pre class="programlisting">typedef struct _ClutterStateKey ClutterStateKey;</pre>
<p><a class="link" href="ClutterState.html#ClutterStateKey"><span class="type">ClutterStateKey</span></a> is an opaque structure whose
members cannot be accessed directly</p>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
</div>
<div class="refsect1">
<a name="ClutterState.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="ClutterState--duration"></a><h3>The <code class="literal">“duration”</code> property</h3>
<pre class="programlisting"> “duration” <span class="type">guint</span></pre>
<p>Default duration used if an duration has not been specified for a specific
source/target state pair. The values is in milliseconds.</p>
<div class="warning">
<p><code class="literal">ClutterState:duration</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Flags: Read / Write</p>
<p>Allowed values: <= 86400000</p>
<p>Default value: 1000</p>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="ClutterState--state"></a><h3>The <code class="literal">“state”</code> property</h3>
<pre class="programlisting"> “state” <span class="type">gchar</span> *</pre>
<p>The currently set target state, setting it causes the
state machine to transition to the new state, use
<a class="link" href="ClutterState.html#clutter-state-warp-to-state" title="clutter_state_warp_to_state ()"><code class="function">clutter_state_warp_to_state()</code></a> to change state without
a transition.</p>
<div class="warning">
<p><code class="literal">ClutterState:state</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<p>Flags: Read / Write</p>
<p>Default value: NULL</p>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
</div>
<div class="refsect1">
<a name="ClutterState.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="ClutterState-completed"></a><h3>The <code class="literal">“completed”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> *state,
<span class="type">gpointer</span> user_data)</pre>
<p>The ::completed signal is emitted when a <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> reaches
the target state specified by <a class="link" href="ClutterState.html#clutter-state-set-state" title="clutter_state_set_state ()"><code class="function">clutter_state_set_state()</code></a> or
<a class="link" href="ClutterState.html#clutter-state-warp-to-state" title="clutter_state_warp_to_state ()"><code class="function">clutter_state_warp_to_state()</code></a>.</p>
<div class="warning">
<p><code class="literal">ClutterState::completed</code> has been deprecated since version 1.12 and should not be used in newly-written code.</p>
<p>Use <a class="link" href="ClutterKeyframeTransition.html" title="ClutterKeyframeTransition"><span class="type">ClutterKeyframeTransition</span></a> and
<a class="link" href="ClutterTransitionGroup.html" title="ClutterTransitionGroup"><span class="type">ClutterTransitionGroup</span></a> instead</p>
</div>
<div class="refsect3">
<a name="id-1.11.18.14.2.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>state</p></td>
<td class="parameter_description"><p>the <a class="link" href="ClutterState.html" title="ClutterState"><span class="type">ClutterState</span></a> that emitted the signal</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: Run Last</p>
<p class="since">Since: <a class="link" href="ix09.html#api-index-1.4">1.4</a></p>
</div>
</div>
</div>
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