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<li class="navelem"><a class="el" href="namespaceGtk.html">Gtk</a> </li>
<li class="navelem"><a class="el" href="classGtk_1_1Expander.html">Expander</a> </li>
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<a href="#pub-methods">Public Member Functions</a> |
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<h1>Gtk::Expander Class Reference<div class="ingroups"><a class="el" href="group__Widgets.html">Widgets</a> | <a class="el" href="group__Containers.html">Container Widgets</a></div></h1> </div>
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<!-- doxytag: class="Gtk::Expander" --><!-- doxytag: inherits="Gtk::Bin" -->
<p>A container which can hide its child. <a href="#_details">More...</a></p>
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Inheritance diagram for Gtk::Expander:</div>
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<div class="center"><img src="classGtk_1_1Expander__inherit__graph.png" border="0" usemap="#Gtk_1_1Expander_inherit__map" alt="Inheritance graph"/></div>
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Collaboration diagram for Gtk::Expander:</div>
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<area shape="rect" id="node2" href="classGtk_1_1Bin.html" title="A container with just one child." alt="" coords="100,469,172,499"/><area shape="rect" id="node4" href="classGtk_1_1Container.html" title="Abstract container class." alt="" coords="79,392,193,421"/><area shape="rect" id="node6" href="classGtk_1_1Widget.html" title="Abstract Widget (Base class for all widgets)" alt="" coords="89,315,183,344"/><area shape="rect" id="node8" href="classGtk_1_1Object.html" title="Gtk::Object is the base class for all widgets, and for a few non-widget objects such as Gtk::Adjustme..." alt="" coords="21,237,115,267"/><area shape="rect" id="node10" href="../../../glibmm-2.4/reference/html/classGlib_1_1Object.html" title="Glib::Object" alt="" coords="21,160,115,189"/><area shape="rect" id="node12" href="../../../glibmm-2.4/reference/html/classGlib_1_1ObjectBase.html" title="Glib::ObjectBase" alt="" coords="5,83,131,112"/><area shape="rect" id="node14" href="../../../libsigc++-2.0/reference/html/structsigc_1_1trackable.html" title="sigc::trackable" alt="" coords="11,5,125,35"/><area shape="rect" id="node16" href="classAtk_1_1Implementor.html" title="Atk::Implementor" alt="" coords="139,237,272,267"/></map>
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<p><a href="classGtk_1_1Expander-members.html">List of all members.</a></p>
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<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a843be89dc01a75bf1a0719a8991d87d7">~Expander</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">GtkExpander* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#ae877f207bfa77723625ca9e296704453">gobj</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GtkObject. <a href="#ae877f207bfa77723625ca9e296704453"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const GtkExpander* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#acb6251ccaf19d662aa80ffaad835e780">gobj</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GtkObject. <a href="#acb6251ccaf19d662aa80ffaad835e780"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a3877a08bffa14ecdfadc41fd8ff64a19">Expander</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a new <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Expander</a>. <a href="#a3877a08bffa14ecdfadc41fd8ff64a19"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a7a4e41ba79a7ee0358cb0423b1689fb0">Expander</a> (const <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>& label, bool mnemonic=false)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates a new <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Expander</a> with a label. <a href="#a7a4e41ba79a7ee0358cb0423b1689fb0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#afefd2219b8385f091716c4b4f6696ef9">set_expanded</a> (bool expanded=true)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the state of the expander. <a href="#afefd2219b8385f091716c4b4f6696ef9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#ac494c88aaa4ad00f71b49322ce937a9f">get_expanded</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Queries a <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Gtk::Expander</a> and returns its current state. <a href="#ac494c88aaa4ad00f71b49322ce937a9f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a5a52d24f053bcbfa05e445e529604e4e">set_spacing</a> (int spacing)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the spacing field of <em>expander</em>, which is the number of pixels to place between expander and the child. <a href="#a5a52d24f053bcbfa05e445e529604e4e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a1e0e8b25cf700e183d3ad1abf8fc9265">get_spacing</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the value set by <a class="el" href="classGtk_1_1Expander.html#a5a52d24f053bcbfa05e445e529604e4e" title="Sets the spacing field of expander, which is the number of pixels to place between expander and the c...">set_spacing()</a>. <a href="#a1e0e8b25cf700e183d3ad1abf8fc9265"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a213463dfcd03e4fe73174b0300481b8c">set_label</a> (const <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>& label)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the text of the label of the expander to <em>label</em>. <a href="#a213463dfcd03e4fe73174b0300481b8c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#ab4e280fc5707adea459e32f95715ad2c">get_label</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fetches the text from a label widget including any embedded underlines indicating mnemonics and <a class="elRef" href="../../../pangomm-1.4/reference/html/namespacePango.html">Pango</a> markup, as set by <a class="el" href="classGtk_1_1Expander.html#a213463dfcd03e4fe73174b0300481b8c" title="Sets the text of the label of the expander to label.">set_label()</a>. <a href="#ab4e280fc5707adea459e32f95715ad2c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#abbb4c979dacbda70d9e9368d0349ce76">set_use_underline</a> (bool use_underline=true)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">If true, an underline in the text of the expander label indicates the next character should be used for the mnemonic accelerator key. <a href="#abbb4c979dacbda70d9e9368d0349ce76"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#ab08e26b6d55b66ed52ea1c8bc826c56c">get_use_underline</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns whether an embedded underline in the expander label indicates a mnemonic. <a href="#ab08e26b6d55b66ed52ea1c8bc826c56c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a2604bd9768c8119f29629e2b02c79392">set_use_markup</a> (bool use_markup=true)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets whether the text of the label contains markup in . <a href="#a2604bd9768c8119f29629e2b02c79392"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a2dd51bbc9a0401449822d65cbabaed24">get_use_markup</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns whether the label's text is interpreted as marked up with the . <a href="#a2dd51bbc9a0401449822d65cbabaed24"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#ac15bd816f9c79e061a2b7825c3d91096">set_label_widget</a> (<a class="el" href="classGtk_1_1Widget.html">Widget</a>& label_widget)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the label widget for the expander. <a href="#ac15bd816f9c79e061a2b7825c3d91096"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGtk_1_1Widget.html">Widget</a>* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a581e4df4d76acbb7e9ba2403e1874bf2">get_label_widget</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the label widget for the frame. <a href="#a581e4df4d76acbb7e9ba2403e1874bf2"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classGtk_1_1Widget.html">Widget</a>* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a53ab47576ec3711b37d2e695eea3b293">get_label_widget</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the label widget for the frame. <a href="#a53ab47576ec3711b37d2e695eea3b293"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a5a77a135d0d97736d31d6634c25a0e9b">set_label_fill</a> (bool label_fill=true)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets whether the label widget should fill all available horizontal space allocated to <em>expander</em>. <a href="#a5a77a135d0d97736d31d6634c25a0e9b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#ad44d16b3e1e37fe6bdbd729caf39ccde">get_label_fill</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns whether the label widget will fill all available horizontal space allocated to <em>expander</em>. <a href="#ad44d16b3e1e37fe6bdbd729caf39ccde"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a>< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a262ba66f7def9945eb7178488f724f60">property_expanded</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Whether the expander has been opened to reveal the child widget. <a href="#a262ba66f7def9945eb7178488f724f60"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><br class="typebreak"/>
< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a03c65c680663434f9f578b3cdfe012c6">property_expanded</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Whether the expander has been opened to reveal the child widget. <a href="#a03c65c680663434f9f578b3cdfe012c6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a><br class="typebreak"/>
< <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#aa0e87f2d6fce3f29127c3d39c15487c3">property_label</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Text of the expander's label. <a href="#aa0e87f2d6fce3f29127c3d39c15487c3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><br class="typebreak"/>
< <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#af29cb446825e1e74147ab7d46baa4fc2">property_label</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Text of the expander's label. <a href="#af29cb446825e1e74147ab7d46baa4fc2"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a>< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a8f54cf6bc89d32b400f89994fc11b96a">property_use_underline</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key. <a href="#a8f54cf6bc89d32b400f89994fc11b96a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><br class="typebreak"/>
< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#ad58c94217710f24253a4114fe8aa32e4">property_use_underline</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key. <a href="#ad58c94217710f24253a4114fe8aa32e4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a>< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a0b629c736fad6b5d86d570abd35f9b31">property_use_markup</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The text of the label includes XML markup. <a href="#a0b629c736fad6b5d86d570abd35f9b31"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><br class="typebreak"/>
< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a3b22d13cd267b8fa6b7140d83e9740d3">property_use_markup</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The text of the label includes XML markup. <a href="#a3b22d13cd267b8fa6b7140d83e9740d3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a>< int > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a4677b565ad14970229bdfb1510afbbc2">property_spacing</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Space to put between the label and the child. <a href="#a4677b565ad14970229bdfb1510afbbc2"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a>< int > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a36a7bef5f4f2560f6158d017b0b324ca">property_spacing</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Space to put between the label and the child. <a href="#a36a7bef5f4f2560f6158d017b0b324ca"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a>< <a class="el" href="classGtk_1_1Widget.html">Widget</a>* > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a8e7a0536406d9b997e9b6b2d6473ed2d">property_label_widget</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A widget to display in place of the usual expander label. <a href="#a8e7a0536406d9b997e9b6b2d6473ed2d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><br class="typebreak"/>
< <a class="el" href="classGtk_1_1Widget.html">Widget</a>* > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a0302463030c3564466526dc21ca1b94f">property_label_widget</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A widget to display in place of the usual expander label. <a href="#a0302463030c3564466526dc21ca1b94f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a>< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a74b5a7d44f630dd2ebe43db5594bb8a4">property_label_fill</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Whether the label widget should fill all available horizontal space. <a href="#a74b5a7d44f630dd2ebe43db5594bb8a4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><br class="typebreak"/>
< bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#a9b19a894c15f4b8a0d95aff01c5015ca">property_label_fill</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Whether the label widget should fill all available horizontal space. <a href="#a9b19a894c15f4b8a0d95aff01c5015ca"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="related"></a>
Related Functions</h2></td></tr>
<tr><td colspan="2">(Note that these are not member functions.) <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classGtk_1_1Expander.html">Gtk::Expander</a>* </td><td class="memItemRight" valign="bottom"><a class="el" href="classGtk_1_1Expander.html#aa9d40bd8188a8196be8de39b91dc8705">wrap</a> (GtkExpander* object, bool take_copy=false)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A <a class="elRef" href="../../../glibmm-2.4/reference/html/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. <a href="#aa9d40bd8188a8196be8de39b91dc8705"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A container which can hide its child. </p>
<p>An <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Expander</a> allows the user to hide or show its child by clicking on an expander triangle similar to the triangles used in a <a class="el" href="classGtk_1_1TreeView.html" title="The TreeView widget displays the model (Gtk::TreeModel) data and allows the user to interact with it...">Gtk::TreeView</a>.</p>
<p>Normally you use an expander as you would use any other descendant of <a class="el" href="classGtk_1_1Bin.html" title="A container with just one child.">Gtk::Bin</a>; you create the child widget and use <a class="el" href="classGtk_1_1Container.html#ae5f3b9c32b1b74e7613997843e91f4cc">add()</a> to add it to the expander. When the expander is toggled, it will take care of showing and hiding the child automatically.</p>
<p>Special Usage: There are situations in which you may prefer to show and hide the expanded widget yourself, such as when you want to actually create the widget at expansion time. In this case, create an <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Expander</a> but do not add a child to it. The expander widget has an <code>expanded</code> property which can be used to monitor its expansion state. You should watch this property with a signal connection as follows: </p>
<div class="fragment"><pre class="fragment"> expander.property_expanded().signal_changed().connect(
<a class="codeRef" href="../../../libsigc++-2.0/reference/html/group__mem__fun.html#ga7d9ea809173f48bf5c76cf1989591602">sigc::mem_fun</a>(*<span class="keyword">this</span>, &SomeClass::on_expander_changed)
);
</pre></div> </div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a843be89dc01a75bf1a0719a8991d87d7"></a><!-- doxytag: member="Gtk::Expander::~Expander" ref="a843be89dc01a75bf1a0719a8991d87d7" args="()" -->
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<td class="memname">virtual Gtk::Expander::~Expander </td>
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<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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<a class="anchor" id="a3877a08bffa14ecdfadc41fd8ff64a19"></a><!-- doxytag: member="Gtk::Expander::Expander" ref="a3877a08bffa14ecdfadc41fd8ff64a19" args="()" -->
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<p>Creates a new <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Expander</a>. </p>
<p>The <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Expander</a> has an empty label.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000108">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
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<td class="paramtype">const <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> & </td>
<td class="paramname"><em>label</em>, </td>
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<td class="paramname"><em>mnemonic</em> = <code>false</code> </td>
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<p>Creates a new <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Expander</a> with a label. </p>
<p>Creates a new expander using label as the text of the label. Settin <em>mnemonic</em> to true will allow you to precede characters in the label with an underscore which will make them 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>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">label</td><td>The string for the label describing the <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Expander</a>. </td></tr>
<tr><td class="paramname">mnemonic</td><td>Wether the label may contain underscores to set up accelerators.</td></tr>
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</dd>
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<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000109">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ac494c88aaa4ad00f71b49322ce937a9f"></a><!-- doxytag: member="Gtk::Expander::get_expanded" ref="ac494c88aaa4ad00f71b49322ce937a9f" args="() const " -->
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<p>Queries a <a class="el" href="classGtk_1_1Expander.html" title="A container which can hide its child.">Gtk::Expander</a> and returns its current state. </p>
<p>Returns <code>true</code> if the child widget is revealed.</p>
<p>See <a class="el" href="classGtk_1_1Expander.html#afefd2219b8385f091716c4b4f6696ef9" title="Sets the state of the expander.">set_expanded()</a>.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000111">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The current state of the expander. </dd></dl>
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> Gtk::Expander::get_label </td>
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<p>Fetches the text from a label widget including any embedded underlines indicating mnemonics and <a class="elRef" href="../../../pangomm-1.4/reference/html/namespacePango.html">Pango</a> markup, as set by <a class="el" href="classGtk_1_1Expander.html#a213463dfcd03e4fe73174b0300481b8c" title="Sets the text of the label of the expander to label.">set_label()</a>. </p>
<p>If the label text has not been set the return value will be <code>0</code>. This will be the case if you create an empty button with Gtk::Button::new() 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 <a class="elRef" href="../../../pangomm-1.4/reference/html/namespacePango.html">Pango</a> markup. This problem can be avoided by fetching the label text directly from the label widget.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000115">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The text of the label widget. This string is owned by the widget and must not be modified or freed. </dd></dl>
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<p>Returns whether the label widget will fill all available horizontal space allocated to <em>expander</em>. </p>
<dl class="since_2_22"><dt><b><a class="el" href="since_2_22.html#_since_2_22000058">Since gtkmm 2.22:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if the label widget will fill all available horizontal space. </dd></dl>
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<td class="memname"><a class="el" href="classGtk_1_1Widget.html">Widget</a>* Gtk::Expander::get_label_widget </td>
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<p>Retrieves the label widget for the frame. </p>
<p>See <a class="el" href="classGtk_1_1Expander.html#ac15bd816f9c79e061a2b7825c3d91096" title="Set the label widget for the expander.">set_label_widget()</a>.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000121">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The label widget, or <code>0</code> if there is none. </dd></dl>
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<p>Retrieves the label widget for the frame. </p>
<p>See <a class="el" href="classGtk_1_1Expander.html#ac15bd816f9c79e061a2b7825c3d91096" title="Set the label widget for the expander.">set_label_widget()</a>.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000122">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The label widget, or <code>0</code> if there is none. </dd></dl>
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<a class="anchor" id="a1e0e8b25cf700e183d3ad1abf8fc9265"></a><!-- doxytag: member="Gtk::Expander::get_spacing" ref="a1e0e8b25cf700e183d3ad1abf8fc9265" args="() const " -->
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<p>Gets the value set by <a class="el" href="classGtk_1_1Expander.html#a5a52d24f053bcbfa05e445e529604e4e" title="Sets the spacing field of expander, which is the number of pixels to place between expander and the c...">set_spacing()</a>. </p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000113">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Spacing between the expander and child. </dd></dl>
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<a class="anchor" id="a2dd51bbc9a0401449822d65cbabaed24"></a><!-- doxytag: member="Gtk::Expander::get_use_markup" ref="a2dd51bbc9a0401449822d65cbabaed24" args="() const " -->
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<p>Returns whether the label's text is interpreted as marked up with the . </p>
<p>See <a class="el" href="classGtk_1_1Expander.html#a2604bd9768c8119f29629e2b02c79392" title="Sets whether the text of the label contains markup in .">set_use_markup()</a>.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000119">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if the label's text will be parsed for markup. </dd></dl>
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<p>Returns whether an embedded underline in the expander label indicates a mnemonic. </p>
<p>See <a class="el" href="classGtk_1_1Expander.html#abbb4c979dacbda70d9e9368d0349ce76" title="If true, an underline in the text of the expander label indicates the next character should be used f...">set_use_underline()</a>.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000117">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if an embedded underline in the expander label indicates the mnemonic accelerator keys. </dd></dl>
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<td class="memname">GtkExpander* Gtk::Expander::gobj </td>
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<p>Provides access to the underlying C GtkObject. </p>
<p>Reimplemented from <a class="el" href="classGtk_1_1Bin.html#a6fef1f41c67a588dd33087ea479e0ad1">Gtk::Bin</a>.</p>
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<td class="memname">const GtkExpander* Gtk::Expander::gobj </td>
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<p>Provides access to the underlying C GtkObject. </p>
<p>Reimplemented from <a class="el" href="classGtk_1_1Bin.html#ad6db11cd388872c6ee36aee075478374">Gtk::Bin</a>.</p>
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<a class="anchor" id="a262ba66f7def9945eb7178488f724f60"></a><!-- doxytag: member="Gtk::Expander::property_expanded" ref="a262ba66f7def9945eb7178488f724f60" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a><bool> Gtk::Expander::property_expanded </td>
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<p>Whether the expander has been opened to reveal the child widget. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><bool> Gtk::Expander::property_expanded </td>
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<p>Whether the expander has been opened to reveal the child widget. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
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<a class="anchor" id="aa0e87f2d6fce3f29127c3d39c15487c3"></a><!-- doxytag: member="Gtk::Expander::property_label" ref="aa0e87f2d6fce3f29127c3d39c15487c3" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a><<a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>> Gtk::Expander::property_label </td>
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<p>Text of the expander's label. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><<a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>> Gtk::Expander::property_label </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<div class="memdoc">
<p>Text of the expander's label. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
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<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
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</div>
<div class="memdoc">
<p>Whether the label widget should fill all available horizontal space. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a><bool> Gtk::Expander::property_label_fill </td>
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<td class="paramname"></td><td>)</td>
<td></td>
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<div class="memdoc">
<p>Whether the label widget should fill all available horizontal space. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
<a class="anchor" id="a8e7a0536406d9b997e9b6b2d6473ed2d"></a><!-- doxytag: member="Gtk::Expander::property_label_widget" ref="a8e7a0536406d9b997e9b6b2d6473ed2d" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a><<a class="el" href="classGtk_1_1Widget.html">Widget</a>*> Gtk::Expander::property_label_widget </td>
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<td></td>
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<p>A widget to display in place of the usual expander label. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
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<a class="anchor" id="a0302463030c3564466526dc21ca1b94f"></a><!-- doxytag: member="Gtk::Expander::property_label_widget" ref="a0302463030c3564466526dc21ca1b94f" args="() const " -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><<a class="el" href="classGtk_1_1Widget.html">Widget</a>*> Gtk::Expander::property_label_widget </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<div class="memdoc">
<p>A widget to display in place of the usual expander label. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
<a class="anchor" id="a36a7bef5f4f2560f6158d017b0b324ca"></a><!-- doxytag: member="Gtk::Expander::property_spacing" ref="a36a7bef5f4f2560f6158d017b0b324ca" args="() const " -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><int> Gtk::Expander::property_spacing </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<div class="memdoc">
<p>Space to put between the label and the child. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a><int> Gtk::Expander::property_spacing </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Space to put between the label and the child. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
<a class="anchor" id="a3b22d13cd267b8fa6b7140d83e9740d3"></a><!-- doxytag: member="Gtk::Expander::property_use_markup" ref="a3b22d13cd267b8fa6b7140d83e9740d3" args="() const " -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><bool> Gtk::Expander::property_use_markup </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>The text of the label includes XML markup. </p>
<p>See pango_parse_markup().</p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
<a class="anchor" id="a0b629c736fad6b5d86d570abd35f9b31"></a><!-- doxytag: member="Gtk::Expander::property_use_markup" ref="a0b629c736fad6b5d86d570abd35f9b31" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a><bool> Gtk::Expander::property_use_markup </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>The text of the label includes XML markup. </p>
<p>See pango_parse_markup().</p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
<a class="anchor" id="ad58c94217710f24253a4114fe8aa32e4"></a><!-- doxytag: member="Gtk::Expander::property_use_underline" ref="ad58c94217710f24253a4114fe8aa32e4" args="() const " -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy__ReadOnly.html">Glib::PropertyProxy_ReadOnly</a><bool> Gtk::Expander::property_use_underline </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
<a class="anchor" id="a8f54cf6bc89d32b400f89994fc11b96a"></a><!-- doxytag: member="Gtk::Expander::property_use_underline" ref="a8f54cf6bc89d32b400f89994fc11b96a" args="()" -->
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<td class="memname"><a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1PropertyProxy.html">Glib::PropertyProxy</a><bool> Gtk::Expander::property_use_underline </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key. </p>
<p>You rarely need to use properties because there are get_ and set_ methods for almost all of them. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>A PropertyProxy that allows you to get or set the property of the value, or receive notification when the value of the property changes. </dd></dl>
</div>
</div>
<a class="anchor" id="afefd2219b8385f091716c4b4f6696ef9"></a><!-- doxytag: member="Gtk::Expander::set_expanded" ref="afefd2219b8385f091716c4b4f6696ef9" args="(bool expanded=true)" -->
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<td class="memname">void Gtk::Expander::set_expanded </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>expanded</em> = <code>true</code></td><td>)</td>
<td></td>
</tr>
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<div class="memdoc">
<p>Sets the state of the expander. </p>
<p>Set to <code>true</code>, if you want the child widget to be revealed, and <code>false</code> if you want the child widget to be hidden.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000110">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">expanded</td><td>Whether the child widget is revealed. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a213463dfcd03e4fe73174b0300481b8c"></a><!-- doxytag: member="Gtk::Expander::set_label" ref="a213463dfcd03e4fe73174b0300481b8c" args="(const Glib::ustring &label)" -->
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<td class="memname">void Gtk::Expander::set_label </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="../../../glibmm-2.4/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> & </td>
<td class="paramname"><em>label</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the text of the label of the expander to <em>label</em>. </p>
<p>This will also clear any previously set labels.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000114">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">label</td><td>A string. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a5a77a135d0d97736d31d6634c25a0e9b"></a><!-- doxytag: member="Gtk::Expander::set_label_fill" ref="a5a77a135d0d97736d31d6634c25a0e9b" args="(bool label_fill=true)" -->
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<td class="memname">void Gtk::Expander::set_label_fill </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>label_fill</em> = <code>true</code></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets whether the label widget should fill all available horizontal space allocated to <em>expander</em>. </p>
<dl class="since_2_22"><dt><b><a class="el" href="since_2_22.html#_since_2_22000057">Since gtkmm 2.22:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">label_fill</td><td><code>true</code> if the label should should fill all available horizontal space. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ac15bd816f9c79e061a2b7825c3d91096"></a><!-- doxytag: member="Gtk::Expander::set_label_widget" ref="ac15bd816f9c79e061a2b7825c3d91096" args="(Widget &label_widget)" -->
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<td class="memname">void Gtk::Expander::set_label_widget </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classGtk_1_1Widget.html">Widget</a>& </td>
<td class="paramname"><em>label_widget</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Set the label widget for the expander. </p>
<p>This is the widget that will appear embedded alongside the expander arrow.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000120">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">label_widget</td><td>The new label widget. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a5a52d24f053bcbfa05e445e529604e4e"></a><!-- doxytag: member="Gtk::Expander::set_spacing" ref="a5a52d24f053bcbfa05e445e529604e4e" args="(int spacing)" -->
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<td class="memname">void Gtk::Expander::set_spacing </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>spacing</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the spacing field of <em>expander</em>, which is the number of pixels to place between expander and the child. </p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000112">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">spacing</td><td>Distance between the expander and child in pixels. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a2604bd9768c8119f29629e2b02c79392"></a><!-- doxytag: member="Gtk::Expander::set_use_markup" ref="a2604bd9768c8119f29629e2b02c79392" args="(bool use_markup=true)" -->
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<td class="memname">void Gtk::Expander::set_use_markup </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>use_markup</em> = <code>true</code></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets whether the text of the label contains markup in . </p>
<p>See <a class="el" href="classGtk_1_1Label.html#a63c357c5247b89944d81ff2fc07977f4" title="Parses str which is marked up with the ", str); gtk_label_set_markup (GTK_LABEL (label), markup); g_free (markup); ]|.">Gtk::Label::set_markup()</a>.</p>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000118">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">use_markup</td><td><code>true</code> if the label's text should be parsed for markup. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="abbb4c979dacbda70d9e9368d0349ce76"></a><!-- doxytag: member="Gtk::Expander::set_use_underline" ref="abbb4c979dacbda70d9e9368d0349ce76" args="(bool use_underline=true)" -->
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<td class="memname">void Gtk::Expander::set_use_underline </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>use_underline</em> = <code>true</code></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<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>
<dl class="since_2_4"><dt><b><a class="el" href="since_2_4.html#_since_2_4000116">Since gtkmm 2.4:</a></b></dt><dd></dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">use_underline</td><td><code>true</code> if underlines in the text indicate mnemonics. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Friends And Related Function Documentation</h2>
<a class="anchor" id="aa9d40bd8188a8196be8de39b91dc8705"></a><!-- doxytag: member="Gtk::Expander::wrap" ref="aa9d40bd8188a8196be8de39b91dc8705" args="(GtkExpander *object, bool take_copy=false)" -->
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<td class="memname"><a class="el" href="classGtk_1_1Expander.html">Gtk::Expander</a>* wrap </td>
<td>(</td>
<td class="paramtype">GtkExpander * </td>
<td class="paramname"><em>object</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>take_copy</em> = <code>false</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [related]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>A <a class="elRef" href="../../../glibmm-2.4/reference/html/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">object</td><td>The C instance. </td></tr>
<tr><td class="paramname">take_copy</td><td>False if the result should take ownership of the C instance. True if it should take a new copy or ref. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>A C++ instance that wraps this C instance. </dd></dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>gtkmm/expander.h</li>
</ul>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Tue Jun 25 2013 for gtkmm by 
<a href="http://www.doxygen.org/index.html">
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