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<a name="GtkExpander"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="GtkExpander.top_of_page"></a>GtkExpander</span></h2>
<p>GtkExpander</p>
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<div class="refsect1">
<a name="GtkExpander.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="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-new" title="gtk_expander_new ()">gtk_expander_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-new-with-mnemonic" title="gtk_expander_new_with_mnemonic ()">gtk_expander_new_with_mnemonic</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="GtkExpander.html#gtk-expander-set-expanded" title="gtk_expander_set_expanded ()">gtk_expander_set_expanded</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-get-expanded" title="gtk_expander_get_expanded ()">gtk_expander_get_expanded</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="GtkExpander.html#gtk-expander-set-spacing" title="gtk_expander_set_spacing ()">gtk_expander_set_spacing</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-get-spacing" title="gtk_expander_get_spacing ()">gtk_expander_get_spacing</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="GtkExpander.html#gtk-expander-set-label" title="gtk_expander_set_label ()">gtk_expander_set_label</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="../glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-get-label" title="gtk_expander_get_label ()">gtk_expander_get_label</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="GtkExpander.html#gtk-expander-set-use-underline" title="gtk_expander_set_use_underline ()">gtk_expander_set_use_underline</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-get-use-underline" title="gtk_expander_get_use_underline ()">gtk_expander_get_use_underline</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="GtkExpander.html#gtk-expander-set-use-markup" title="gtk_expander_set_use_markup ()">gtk_expander_set_use_markup</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-get-use-markup" title="gtk_expander_get_use_markup ()">gtk_expander_get_use_markup</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="GtkExpander.html#gtk-expander-set-label-widget" title="gtk_expander_set_label_widget ()">gtk_expander_set_label_widget</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-get-label-widget" title="gtk_expander_get_label_widget ()">gtk_expander_get_label_widget</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="GtkExpander.html#gtk-expander-set-label-fill" title="gtk_expander_set_label_fill ()">gtk_expander_set_label_fill</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GtkExpander.html#gtk-expander-get-label-fill" title="gtk_expander_get_label_fill ()">gtk_expander_get_label_fill</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkExpander.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" 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"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--expanded" title="The “expanded” property">expanded</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type">
<a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--label" title="The “label” property">label</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--label-fill" title="The “label-fill” property">label-fill</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type">
<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="type">GtkWidget</span></a> *</td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--label-widget" title="The “label-widget” property">label-widget</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--spacing" title="The “spacing” property">spacing</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--use-markup" title="The “use-markup” property">use-markup</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--use-underline" title="The “use-underline” property">use-underline</a></td>
<td class="property_flags">Read / Write / Construct</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkExpander.style-properties"></a><h2>Style Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="style_properties_type">
<col width="300px" class="style_properties_name">
<col width="200px" class="style_properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--s-expander-size" title="The “expander-size” style property">expander-size</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="GtkExpander.html#GtkExpander--s-expander-spacing" title="The “expander-spacing” style property">expander-spacing</a></td>
<td class="property_flags">Read</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkExpander.signals"></a><h2>Signals</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody><tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="GtkExpander.html#GtkExpander-activate" title="The “activate” signal">activate</a></td>
<td class="signal_flags"><a href="../gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS">Action</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkExpander.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">struct</td>
<td class="function_name"><a class="link" href="GtkExpander.html#GtkExpander-struct" title="struct GtkExpander">GtkExpander</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkExpander.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a class="link" href="GtkObject.html" title="GtkObject">GtkObject</a>
<span class="lineart">╰──</span> <a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>
<span class="lineart">╰──</span> <a class="link" href="GtkContainer.html" title="GtkContainer">GtkContainer</a>
<span class="lineart">╰──</span> <a class="link" href="GtkBin.html" title="GtkBin">GtkBin</a>
<span class="lineart">╰──</span> GtkExpander
</pre>
</div>
<div class="refsect1">
<a name="GtkExpander.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GtkExpander implements
AtkImplementorIface and <a class="link" href="GtkBuildable.html" title="GtkBuildable">GtkBuildable</a>.</p>
</div>
<div class="refsect1">
<a name="GtkExpander.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <gtk/gtk.h>
</pre>
</div>
<div class="refsect1">
<a name="GtkExpander.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="GtkExpander.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gtk-expander-new"></a><h3>gtk_expander_new ()</h3>
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
gtk_expander_new (<em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *label</code></em>);</pre>
<p>Creates a new expander using <em class="parameter"><code>label</code></em>
as the text of the label.</p>
<div class="refsect3">
<a name="gtk-expander-new.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>label</p></td>
<td class="parameter_description"><p>the text of the label</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-expander-new.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> widget.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-new-with-mnemonic"></a><h3>gtk_expander_new_with_mnemonic ()</h3>
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
gtk_expander_new_with_mnemonic (<em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *label</code></em>);</pre>
<p>Creates a new expander using <em class="parameter"><code>label</code></em>
as the text of the label.
If characters in <em class="parameter"><code>label</code></em>
are preceded by an underscore, they are underlined.
If you need a literal underscore character in a label, use '__' (two
underscores). The first underlined character represents a keyboard
accelerator called a mnemonic.
Pressing Alt and that key activates the button.</p>
<div class="refsect3">
<a name="gtk-expander-new-with-mnemonic.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>label</p></td>
<td class="parameter_description"><p>the text of the label with an underscore in front of the
mnemonic character. </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="gtk-expander-new-with-mnemonic.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> widget.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-set-expanded"></a><h3>gtk_expander_set_expanded ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_expander_set_expanded (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>,
<em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> expanded</code></em>);</pre>
<p>Sets the state of the expander. Set to <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, if you want
the child widget to be revealed, and <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if you want the
child widget to be hidden.</p>
<div class="refsect3">
<a name="gtk-expander-set-expanded.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>expanded</p></td>
<td class="parameter_description"><p>whether the child widget is revealed</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-get-expanded"></a><h3>gtk_expander_get_expanded ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gtk_expander_get_expanded (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>);</pre>
<p>Queries a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> and returns its current state. Returns <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>
if the child widget is revealed.</p>
<p>See <a class="link" href="GtkExpander.html#gtk-expander-set-expanded" title="gtk_expander_set_expanded ()"><code class="function">gtk_expander_set_expanded()</code></a>.</p>
<div class="refsect3">
<a name="gtk-expander-get-expanded.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-expander-get-expanded.returns"></a><h4>Returns</h4>
<p> the current state of the expander.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-set-spacing"></a><h3>gtk_expander_set_spacing ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_expander_set_spacing (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>,
<em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> spacing</code></em>);</pre>
<p>Sets the spacing field of <em class="parameter"><code>expander</code></em>
, which is the number of pixels to
place between expander and the child.</p>
<div class="refsect3">
<a name="gtk-expander-set-spacing.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>spacing</p></td>
<td class="parameter_description"><p>distance between the expander and child in pixels.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-get-spacing"></a><h3>gtk_expander_get_spacing ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gtk_expander_get_spacing (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>);</pre>
<p>Gets the value set by <a class="link" href="GtkExpander.html#gtk-expander-set-spacing" title="gtk_expander_set_spacing ()"><code class="function">gtk_expander_set_spacing()</code></a>.</p>
<div class="refsect3">
<a name="gtk-expander-get-spacing.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-expander-get-spacing.returns"></a><h4>Returns</h4>
<p> spacing between the expander and child.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-set-label"></a><h3>gtk_expander_set_label ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_expander_set_label (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>,
<em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *label</code></em>);</pre>
<p>Sets the text of the label of the expander to <em class="parameter"><code>label</code></em>
.</p>
<p>This will also clear any previously set labels.</p>
<div class="refsect3">
<a name="gtk-expander-set-label.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>label</p></td>
<td class="parameter_description"><p>a string. </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="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-get-label"></a><h3>gtk_expander_get_label ()</h3>
<pre class="programlisting">const <a href="../glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
gtk_expander_get_label (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>);</pre>
<p>Fetches the text from a label widget including any embedded
underlines indicating mnemonics and Pango markup, as set by
<a class="link" href="GtkExpander.html#gtk-expander-set-label" title="gtk_expander_set_label ()"><code class="function">gtk_expander_set_label()</code></a>. If the label text has not been set the
return value will be <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. This will be the case if you create an
empty button with <a class="link" href="GtkButton.html#gtk-button-new" title="gtk_button_new ()"><code class="function">gtk_button_new()</code></a> to use as a container.</p>
<p>Note that this function behaved differently in versions prior to
2.14 and used to return the label text stripped of embedded
underlines indicating mnemonics and Pango markup. This problem can
be avoided by fetching the label text directly from the label
widget.</p>
<div class="refsect3">
<a name="gtk-expander-get-label.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-expander-get-label.returns"></a><h4>Returns</h4>
<p> The text of the label widget. This string is owned
by the widget and must not be modified or freed.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-set-use-underline"></a><h3>gtk_expander_set_use_underline ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_expander_set_use_underline (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>,
<em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> use_underline</code></em>);</pre>
<p>If true, an underline in the text of the expander label indicates
the next character should be used for the mnemonic accelerator key.</p>
<div class="refsect3">
<a name="gtk-expander-set-use-underline.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>use_underline</p></td>
<td class="parameter_description"><p><a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if underlines in the text indicate mnemonics</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-get-use-underline"></a><h3>gtk_expander_get_use_underline ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gtk_expander_get_use_underline (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>);</pre>
<p>Returns whether an embedded underline in the expander label indicates a
mnemonic. See <a class="link" href="GtkExpander.html#gtk-expander-set-use-underline" title="gtk_expander_set_use_underline ()"><code class="function">gtk_expander_set_use_underline()</code></a>.</p>
<div class="refsect3">
<a name="gtk-expander-get-use-underline.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-expander-get-use-underline.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if an embedded underline in the expander label
indicates the mnemonic accelerator keys.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-set-use-markup"></a><h3>gtk_expander_set_use_markup ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_expander_set_use_markup (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>,
<em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> use_markup</code></em>);</pre>
<p>Sets whether the text of the label contains markup in <GTKDOCLINK HREF="PangoMarkupFormat">Pango's text markup
language</GTKDOCLINK>. See <a class="link" href="GtkLabel.html#gtk-label-set-markup" title="gtk_label_set_markup ()"><code class="function">gtk_label_set_markup()</code></a>.</p>
<div class="refsect3">
<a name="gtk-expander-set-use-markup.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>use_markup</p></td>
<td class="parameter_description"><p><a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the label's text should be parsed for markup</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-get-use-markup"></a><h3>gtk_expander_get_use_markup ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gtk_expander_get_use_markup (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>);</pre>
<p>Returns whether the label's text is interpreted as marked up with
the <GTKDOCLINK HREF="PangoMarkupFormat">Pango text markup
language</GTKDOCLINK>. See <a class="link" href="GtkExpander.html#gtk-expander-set-use-markup" title="gtk_expander_set_use_markup ()"><code class="function">gtk_expander_set_use_markup()</code></a>.</p>
<div class="refsect3">
<a name="gtk-expander-get-use-markup.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-expander-get-use-markup.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the label's text will be parsed for markup</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-set-label-widget"></a><h3>gtk_expander_set_label_widget ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_expander_set_label_widget (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>,
<em class="parameter"><code><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="type">GtkWidget</span></a> *label_widget</code></em>);</pre>
<p>Set the label widget for the expander. This is the widget
that will appear embedded alongside the expander arrow.</p>
<div class="refsect3">
<a name="gtk-expander-set-label-widget.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>label_widget</p></td>
<td class="parameter_description"><p>the new label widget. </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="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-get-label-widget"></a><h3>gtk_expander_get_label_widget ()</h3>
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
gtk_expander_get_label_widget (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>);</pre>
<p>Retrieves the label widget for the frame. See
<a class="link" href="GtkExpander.html#gtk-expander-set-label-widget" title="gtk_expander_set_label_widget ()"><code class="function">gtk_expander_set_label_widget()</code></a>.</p>
<div class="refsect3">
<a name="gtk-expander-get-label-widget.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-expander-get-label-widget.returns"></a><h4>Returns</h4>
<p>the label widget,
or <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there is none. </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="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-set-label-fill"></a><h3>gtk_expander_set_label_fill ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gtk_expander_set_label_fill (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>,
<em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> label_fill</code></em>);</pre>
<p>Sets whether the label widget should fill all available horizontal space
allocated to <em class="parameter"><code>expander</code></em>
.</p>
<div class="refsect3">
<a name="gtk-expander-set-label-fill.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>label_fill</p></td>
<td class="parameter_description"><p><a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the label should should fill all available horizontal
space</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-22.html#api-index-2.22">2.22</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-expander-get-label-fill"></a><h3>gtk_expander_get_label_fill ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gtk_expander_get_label_fill (<em class="parameter"><code><a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander</code></em>);</pre>
<p>Returns whether the label widget will fill all available horizontal
space allocated to <em class="parameter"><code>expander</code></em>
.</p>
<div class="refsect3">
<a name="gtk-expander-get-label-fill.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>expander</p></td>
<td class="parameter_description"><p>a <a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-expander-get-label-fill.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the label widget will fill all available horizontal
space</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-22.html#api-index-2.22">2.22</a></p>
</div>
</div>
<div class="refsect1">
<a name="GtkExpander.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GtkExpander-struct"></a><h3>struct GtkExpander</h3>
<pre class="programlisting">struct GtkExpander;</pre>
</div>
</div>
<div class="refsect1">
<a name="GtkExpander.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GtkExpander--expanded"></a><h3>The <code class="literal">“expanded”</code> property</h3>
<pre class="programlisting"> “expanded” <a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Whether the expander has been opened to reveal the child widget.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkExpander--label"></a><h3>The <code class="literal">“label”</code> property</h3>
<pre class="programlisting"> “label” <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Text of the expander's label.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkExpander--label-fill"></a><h3>The <code class="literal">“label-fill”</code> property</h3>
<pre class="programlisting"> “label-fill” <a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Whether the label widget should fill all available horizontal space.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkExpander--label-widget"></a><h3>The <code class="literal">“label-widget”</code> property</h3>
<pre class="programlisting"> “label-widget” <a class="link" href="GtkWidget.html" title="GtkWidget"><span class="type">GtkWidget</span></a> *</pre>
<p>A widget to display in place of the usual expander label.</p>
<p>Flags: Read / Write</p>
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<div class="refsect2">
<a name="GtkExpander--spacing"></a><h3>The <code class="literal">“spacing”</code> property</h3>
<pre class="programlisting"> “spacing” <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Space to put between the label and the child.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: >= 0</p>
<p>Default value: 0</p>
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<hr>
<div class="refsect2">
<a name="GtkExpander--use-markup"></a><h3>The <code class="literal">“use-markup”</code> property</h3>
<pre class="programlisting"> “use-markup” <a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>The text of the label includes XML markup. See pango_parse_markup().</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
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<hr>
<div class="refsect2">
<a name="GtkExpander--use-underline"></a><h3>The <code class="literal">“use-underline”</code> property</h3>
<pre class="programlisting"> “use-underline” <a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key.</p>
<p>Flags: Read / Write / Construct</p>
<p>Default value: FALSE</p>
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</div>
<div class="refsect1">
<a name="GtkExpander.style-property-details"></a><h2>Style Property Details</h2>
<div class="refsect2">
<a name="GtkExpander--s-expander-size"></a><h3>The <code class="literal">“expander-size”</code> style property</h3>
<pre class="programlisting"> “expander-size” <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Size of the expander arrow.</p>
<p>Flags: Read</p>
<p>Allowed values: >= 0</p>
<p>Default value: 10</p>
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<hr>
<div class="refsect2">
<a name="GtkExpander--s-expander-spacing"></a><h3>The <code class="literal">“expander-spacing”</code> style property</h3>
<pre class="programlisting"> “expander-spacing” <a href="../glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Spacing around expander arrow.</p>
<p>Flags: Read</p>
<p>Allowed values: >= 0</p>
<p>Default value: 2</p>
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</div>
<div class="refsect1">
<a name="GtkExpander.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GtkExpander-activate"></a><h3>The <code class="literal">“activate”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="GtkExpander.html" title="GtkExpander"><span class="type">GtkExpander</span></a> *expander,
<a href="../glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>Flags: <a href="../gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS">Action</a></p>
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