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<div class="refentry">
<a name="AtkStateSet"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="AtkStateSet.top_of_page"></a>AtkStateSet</span></h2>
<p>AtkStateSet — An AtkStateSet contains the states of an object.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="AtkStateSet.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="returnvalue">AtkStateSet</span></a> *
</td>
<td class="function_name">
<a class="link" href="AtkStateSet.html#atk-state-set-new" title="atk_state_set_new ()">atk_state_set_new</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="AtkStateSet.html#atk-state-set-is-empty" title="atk_state_set_is_empty ()">atk_state_set_is_empty</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="AtkStateSet.html#atk-state-set-add-state" title="atk_state_set_add_state ()">atk_state_set_add_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="AtkStateSet.html#atk-state-set-add-states" title="atk_state_set_add_states ()">atk_state_set_add_states</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="AtkStateSet.html#atk-state-set-clear-states" title="atk_state_set_clear_states ()">atk_state_set_clear_states</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="AtkStateSet.html#atk-state-set-contains-state" title="atk_state_set_contains_state ()">atk_state_set_contains_state</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="AtkStateSet.html#atk-state-set-contains-states" title="atk_state_set_contains_states ()">atk_state_set_contains_states</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="AtkStateSet.html#atk-state-set-remove-state" title="atk_state_set_remove_state ()">atk_state_set_remove_state</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="returnvalue">AtkStateSet</span></a> *
</td>
<td class="function_name">
<a class="link" href="AtkStateSet.html#atk-state-set-and-sets" title="atk_state_set_and_sets ()">atk_state_set_and_sets</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="returnvalue">AtkStateSet</span></a> *
</td>
<td class="function_name">
<a class="link" href="AtkStateSet.html#atk-state-set-or-sets" title="atk_state_set_or_sets ()">atk_state_set_or_sets</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="returnvalue">AtkStateSet</span></a> *
</td>
<td class="function_name">
<a class="link" href="AtkStateSet.html#atk-state-set-xor-sets" title="atk_state_set_xor_sets ()">atk_state_set_xor_sets</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="AtkStateSet.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="AtkStateSet.html#AtkStateSet-struct" title="AtkStateSet">AtkStateSet</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="AtkStateSet.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GObject
<span class="lineart">╰──</span> AtkStateSet
</pre>
</div>
<div class="refsect1">
<a name="AtkStateSet.description"></a><h2>Description</h2>
<p>An AtkStateSet is a read-only representation of the full set of <a href="atk-AtkState.html#AtkState"><span class="type">AtkStates</span></a>
that apply to an object at a given time. This set is not meant to be
modified, but rather created when <a class="link" href="AtkObject.html#atk-object-ref-state-set" title="atk_object_ref_state_set ()"><code class="function">atk_object_ref_state_set()</code></a> is called.</p>
</div>
<div class="refsect1">
<a name="AtkStateSet.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="atk-state-set-new"></a><h3>atk_state_set_new ()</h3>
<pre class="programlisting"><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="returnvalue">AtkStateSet</span></a> *
atk_state_set_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Creates a new empty state set.</p>
<div class="refsect3">
<a name="atk-state-set-new.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> </p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-is-empty"></a><h3>atk_state_set_is_empty ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
atk_state_set_is_empty (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>);</pre>
<p>Checks whether the state set is empty, i.e. has no states set.</p>
<div class="refsect3">
<a name="atk-state-set-is-empty.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-state-set-is-empty.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if <em class="parameter"><code>set</code></em>
has no states set, otherwise <code class="literal">FALSE</code></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-add-state"></a><h3>atk_state_set_add_state ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
atk_state_set_add_state (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>,
<em class="parameter"><code><a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a> type</code></em>);</pre>
<p>Adds the state of the specified type to the state set if it is not already
present.</p>
<p>Note that because an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> is a read-only object, this method should
be used to add a state to a newly-created set which will then be returned by
<a class="link" href="AtkObject.html#atk-object-ref-state-set" title="atk_object_ref_state_set ()"><span class="type">atk_object_ref_state_set</span></a>. It should not be used to modify the existing state
of an object. See also <a class="link" href="AtkObject.html#atk-object-notify-state-change" title="atk_object_notify_state_change ()"><span class="type">atk_object_notify_state_change</span></a>.</p>
<div class="refsect3">
<a name="atk-state-set-add-state.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>an <a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-state-set-add-state.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if the state for <em class="parameter"><code>type</code></em>
is not already in <em class="parameter"><code>set</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-add-states"></a><h3>atk_state_set_add_states ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
atk_state_set_add_states (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>,
<em class="parameter"><code><a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a> *types</code></em>,
<em class="parameter"><code><span class="type">gint</span> n_types</code></em>);</pre>
<p>Adds the states of the specified types to the state set.</p>
<p>Note that because an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> is a read-only object, this method should
be used to add states to a newly-created set which will then be returned by
<a class="link" href="AtkObject.html#atk-object-ref-state-set" title="atk_object_ref_state_set ()"><span class="type">atk_object_ref_state_set</span></a>. It should not be used to modify the existing state
of an object. See also <a class="link" href="AtkObject.html#atk-object-notify-state-change" title="atk_object_notify_state_change ()"><span class="type">atk_object_notify_state_change</span></a>.</p>
<div class="refsect3">
<a name="atk-state-set-add-states.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>types</p></td>
<td class="parameter_description"><p> an array of <a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<a href="http://foldoc.org/array"><span class="acronym">array</span></a> length=n_types]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>n_types</p></td>
<td class="parameter_description"><p>The number of elements in the array</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-clear-states"></a><h3>atk_state_set_clear_states ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
atk_state_set_clear_states (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>);</pre>
<p>Removes all states from the state set.</p>
<div class="refsect3">
<a name="atk-state-set-clear-states.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-contains-state"></a><h3>atk_state_set_contains_state ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
atk_state_set_contains_state (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>,
<em class="parameter"><code><a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a> type</code></em>);</pre>
<p>Checks whether the state for the specified type is in the specified set.</p>
<div class="refsect3">
<a name="atk-state-set-contains-state.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>an <a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-state-set-contains-state.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if <em class="parameter"><code>type</code></em>
is the state type is in <em class="parameter"><code>set</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-contains-states"></a><h3>atk_state_set_contains_states ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
atk_state_set_contains_states (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>,
<em class="parameter"><code><a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a> *types</code></em>,
<em class="parameter"><code><span class="type">gint</span> n_types</code></em>);</pre>
<p>Checks whether the states for all the specified types are in the
specified set.</p>
<div class="refsect3">
<a name="atk-state-set-contains-states.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>types</p></td>
<td class="parameter_description"><p> an array of <a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<a href="http://foldoc.org/array"><span class="acronym">array</span></a> length=n_types]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>n_types</p></td>
<td class="parameter_description"><p>The number of elements in the array</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-state-set-contains-states.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if all the states for <em class="parameter"><code>type</code></em>
are in <em class="parameter"><code>set</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-remove-state"></a><h3>atk_state_set_remove_state ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
atk_state_set_remove_state (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>,
<em class="parameter"><code><a class="link" href="atk-AtkState.html#AtkStateType" title="enum AtkStateType"><span class="type">AtkStateType</span></a> type</code></em>);</pre>
<p>Removes the state for the specified type from the state set.</p>
<p>Note that because an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> is a read-only object, this method should
be used to remove a state to a newly-created set which will then be returned
by <a class="link" href="AtkObject.html#atk-object-ref-state-set" title="atk_object_ref_state_set ()"><span class="type">atk_object_ref_state_set</span></a>. It should not be used to modify the existing
state of an object. See also <a class="link" href="AtkObject.html#atk-object-notify-state-change" title="atk_object_notify_state_change ()"><span class="type">atk_object_notify_state_change</span></a>.</p>
<div class="refsect3">
<a name="atk-state-set-remove-state.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>an <span class="type">AtkType</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-state-set-remove-state.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if <em class="parameter"><code>type</code></em>
was the state type is in <em class="parameter"><code>set</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-and-sets"></a><h3>atk_state_set_and_sets ()</h3>
<pre class="programlisting"><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="returnvalue">AtkStateSet</span></a> *
atk_state_set_and_sets (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>,
<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *compare_set</code></em>);</pre>
<p>Constructs the intersection of the two sets, returning <code class="literal">NULL</code> if the
intersection is empty.</p>
<div class="refsect3">
<a name="atk-state-set-and-sets.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>compare_set</p></td>
<td class="parameter_description"><p>another <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-state-set-and-sets.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> which is the intersection of
the two sets. </p>
<p><span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-or-sets"></a><h3>atk_state_set_or_sets ()</h3>
<pre class="programlisting"><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="returnvalue">AtkStateSet</span></a> *
atk_state_set_or_sets (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>,
<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *compare_set</code></em>);</pre>
<p>Constructs the union of the two sets.</p>
<div class="refsect3">
<a name="atk-state-set-or-sets.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>compare_set</p></td>
<td class="parameter_description"><p>another <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-state-set-or-sets.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> which is
the union of the two sets, returning <code class="literal">NULL</code> is empty. </p>
<p><span class="annotation">[<a href="http://foldoc.org/nullable"><span class="acronym">nullable</span></a>][<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="atk-state-set-xor-sets"></a><h3>atk_state_set_xor_sets ()</h3>
<pre class="programlisting"><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="returnvalue">AtkStateSet</span></a> *
atk_state_set_xor_sets (<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *set</code></em>,
<em class="parameter"><code><a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> *compare_set</code></em>);</pre>
<p>Constructs the exclusive-or of the two sets, returning <code class="literal">NULL</code> is empty.
The set returned by this operation contains the states in exactly
one of the two sets.</p>
<div class="refsect3">
<a name="atk-state-set-xor-sets.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>set</p></td>
<td class="parameter_description"><p>an <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>compare_set</p></td>
<td class="parameter_description"><p>another <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="atk-state-set-xor-sets.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="AtkStateSet.html" title="AtkStateSet"><span class="type">AtkStateSet</span></a> which contains the states
which are in exactly one of the two sets. </p>
<p><span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="AtkStateSet.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="AtkStateSet-struct"></a><h3>AtkStateSet</h3>
<pre class="programlisting">typedef struct _AtkStateSet AtkStateSet;</pre>
</div>
</div>
</div>
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