731 lines
44 KiB
HTML
731 lines
44 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<title>GtkRadioButton: GTK+ 3 Reference Manual</title>
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<a href="#GtkRadioButton.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
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<a href="#GtkRadioButton.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span>
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<a href="#GtkRadioButton.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties"> <span class="dim">|</span>
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<a href="#GtkRadioButton.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span>
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<a href="#GtkRadioButton.signals" class="shortcut">Signals</a></span>
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<div class="refentry">
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<a name="GtkRadioButton"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2><span class="refentrytitle"><a name="GtkRadioButton.top_of_page"></a>GtkRadioButton</span></h2>
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<p>GtkRadioButton — A choice from multiple check buttons</p>
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</td>
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<td class="gallery_image" valign="top" align="right"><img src="radio-group.png"></td>
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</tr></table></div>
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<div class="refsect1">
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<a name="GtkRadioButton.functions"></a><h2>Functions</h2>
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<div class="informaltable"><table class="informaltable" width="100%" border="0">
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<colgroup>
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<col width="150px" class="functions_proto_type">
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<col class="functions_proto_name">
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</colgroup>
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<tbody>
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<tr>
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<td class="function_type">
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<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-new" title="gtk_radio_button_new ()">gtk_radio_button_new</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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<tr>
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<td class="function_type">
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<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-new-from-widget" title="gtk_radio_button_new_from_widget ()">gtk_radio_button_new_from_widget</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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<tr>
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<td class="function_type">
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<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-label" title="gtk_radio_button_new_with_label ()">gtk_radio_button_new_with_label</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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<tr>
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<td class="function_type">
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<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-label-from-widget" title="gtk_radio_button_new_with_label_from_widget ()">gtk_radio_button_new_with_label_from_widget</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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<tr>
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<td class="function_type">
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<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-mnemonic" title="gtk_radio_button_new_with_mnemonic ()">gtk_radio_button_new_with_mnemonic</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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<tr>
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<td class="function_type">
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<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-mnemonic-from-widget" title="gtk_radio_button_new_with_mnemonic_from_widget ()">gtk_radio_button_new_with_mnemonic_from_widget</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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<tr>
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<td class="function_type">
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<span class="returnvalue">void</span>
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-set-group" title="gtk_radio_button_set_group ()">gtk_radio_button_set_group</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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<tr>
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<td class="function_type">
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<span class="returnvalue">GSList</span> *
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-get-group" title="gtk_radio_button_get_group ()">gtk_radio_button_get_group</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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<tr>
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<td class="function_type">
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<span class="returnvalue">void</span>
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</td>
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<td class="function_name">
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-join-group" title="gtk_radio_button_join_group ()">gtk_radio_button_join_group</a> <span class="c_punctuation">()</span>
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</td>
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</tr>
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</tbody>
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</table></div>
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</div>
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<div class="refsect1">
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<a name="GtkRadioButton.properties"></a><h2>Properties</h2>
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<div class="informaltable"><table class="informaltable" border="0">
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<colgroup>
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<col width="150px" class="properties_type">
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<col width="300px" class="properties_name">
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<col width="200px" class="properties_flags">
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</colgroup>
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<tbody><tr>
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<td class="property_type">
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<a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *</td>
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<td class="property_name"><a class="link" href="GtkRadioButton.html#GtkRadioButton--group" title="The “group” property">group</a></td>
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<td class="property_flags">Write</td>
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</tr></tbody>
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</table></div>
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</div>
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<div class="refsect1">
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<a name="GtkRadioButton.signals"></a><h2>Signals</h2>
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<div class="informaltable"><table class="informaltable" border="0">
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<colgroup>
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<col width="150px" class="signal_proto_type">
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<col width="300px" class="signal_proto_name">
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<col width="200px" class="signal_proto_flags">
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</colgroup>
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<tbody><tr>
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<td class="signal_type"><span class="returnvalue">void</span></td>
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<td class="signal_name"><a class="link" href="GtkRadioButton.html#GtkRadioButton-group-changed" title="The “group-changed” signal">group-changed</a></td>
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<td class="signal_flags">Run First</td>
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</tr></tbody>
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</table></div>
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</div>
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<div class="refsect1">
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<a name="GtkRadioButton.other"></a><h2>Types and Values</h2>
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<div class="informaltable"><table class="informaltable" width="100%" border="0">
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<colgroup>
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<col width="150px" class="other_proto_type">
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<col class="other_proto_name">
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</colgroup>
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<tbody><tr>
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<td class="datatype_keyword">struct</td>
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<td class="function_name"><a class="link" href="GtkRadioButton.html#GtkRadioButton-struct" title="struct GtkRadioButton">GtkRadioButton</a></td>
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</tr></tbody>
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</table></div>
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</div>
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<div class="refsect1">
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<a name="GtkRadioButton.object-hierarchy"></a><h2>Object Hierarchy</h2>
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<pre class="screen"> GObject
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<span class="lineart">╰──</span> GInitiallyUnowned
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<span class="lineart">╰──</span> <a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>
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<span class="lineart">╰──</span> <a class="link" href="GtkContainer.html" title="GtkContainer">GtkContainer</a>
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<span class="lineart">╰──</span> <a class="link" href="GtkBin.html" title="GtkBin">GtkBin</a>
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<span class="lineart">╰──</span> <a class="link" href="GtkButton.html" title="GtkButton">GtkButton</a>
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<span class="lineart">╰──</span> <a class="link" href="GtkToggleButton.html" title="GtkToggleButton">GtkToggleButton</a>
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<span class="lineart">╰──</span> <a class="link" href="GtkCheckButton.html" title="GtkCheckButton">GtkCheckButton</a>
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<span class="lineart">╰──</span> GtkRadioButton
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</pre>
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</div>
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<div class="refsect1">
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<a name="GtkRadioButton.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
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<p>
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GtkRadioButton implements
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AtkImplementorIface, <a class="link" href="GtkBuildable.html" title="GtkBuildable">GtkBuildable</a>, <a class="link" href="GtkActionable.html" title="GtkActionable">GtkActionable</a> and <a class="link" href="GtkActivatable.html" title="GtkActivatable">GtkActivatable</a>.</p>
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</div>
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<div class="refsect1">
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<a name="GtkRadioButton.includes"></a><h2>Includes</h2>
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<pre class="synopsis">#include <gtk/gtk.h>
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</pre>
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</div>
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<div class="refsect1">
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<a name="GtkRadioButton.description"></a><h2>Description</h2>
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<p>A single radio button performs the same basic function as a <a class="link" href="GtkCheckButton.html" title="GtkCheckButton"><span class="type">GtkCheckButton</span></a>,
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as its position in the object hierarchy reflects. It is only when multiple
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radio buttons are grouped together that they become a different user
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interface component in their own right.</p>
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<p>Every radio button is a member of some group of radio buttons. When one is
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selected, all other radio buttons in the same group are deselected. A
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<a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> is one way of giving the user a choice from many options.</p>
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<p>Radio button widgets are created with <a class="link" href="GtkRadioButton.html#gtk-radio-button-new" title="gtk_radio_button_new ()"><code class="function">gtk_radio_button_new()</code></a>, passing <code class="literal">NULL</code>
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as the argument if this is the first radio button in a group. In subsequent
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calls, the group you wish to add this button to should be passed as an
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argument. Optionally, <a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-label" title="gtk_radio_button_new_with_label ()"><code class="function">gtk_radio_button_new_with_label()</code></a> can be used if you
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want a text label on the radio button.</p>
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<p>Alternatively, when adding widgets to an existing group of radio buttons,
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use <a class="link" href="GtkRadioButton.html#gtk-radio-button-new-from-widget" title="gtk_radio_button_new_from_widget ()"><code class="function">gtk_radio_button_new_from_widget()</code></a> with a <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> that already
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has a group assigned to it. The convenience function
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-label-from-widget" title="gtk_radio_button_new_with_label_from_widget ()"><code class="function">gtk_radio_button_new_with_label_from_widget()</code></a> is also provided.</p>
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<p>To retrieve the group a <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> is assigned to, use
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<a class="link" href="GtkRadioButton.html#gtk-radio-button-get-group" title="gtk_radio_button_get_group ()"><code class="function">gtk_radio_button_get_group()</code></a>.</p>
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<p>To remove a <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> from one group and make it part of a new one,
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use <a class="link" href="GtkRadioButton.html#gtk-radio-button-set-group" title="gtk_radio_button_set_group ()"><code class="function">gtk_radio_button_set_group()</code></a>.</p>
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<p>The group list does not need to be freed, as each <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> will remove
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itself and its list item when it is destroyed.</p>
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<div class="refsect2">
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<a name="id-1.3.9.4.10.9"></a><h3>CSS nodes</h3>
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<div class="informalexample">
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<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
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<tbody>
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<tr>
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<td class="listing_lines" align="right"><pre>1
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2
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3</pre></td>
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<td class="listing_code"><pre class="programlisting"><span class="n">radiobutton</span><span class="w"></span>
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<span class="err">├──</span><span class="w"> </span><span class="n">radio</span><span class="w"></span>
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<span class="err">╰──</span><span class="w"> </span><span class="o"><</span><span class="n">child</span><span class="o">></span><span class="w"></span></pre></td>
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</tr>
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</tbody>
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</table>
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</div>
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<p></p>
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<p>A GtkRadioButton with indicator (see <a class="link" href="GtkToggleButton.html#gtk-toggle-button-set-mode" title="gtk_toggle_button_set_mode ()"><code class="function">gtk_toggle_button_set_mode()</code></a>) has a
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main CSS node with name radiobutton and a subnode with name radio.</p>
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||
<div class="informalexample">
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||
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
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<tbody>
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||
<tr>
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||
<td class="listing_lines" align="right"><pre>1
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2
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3</pre></td>
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<td class="listing_code"><pre class="programlisting"><span class="n">button</span><span class="p">.</span><span class="n">radio</span><span class="w"></span>
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||
<span class="err">├──</span><span class="w"> </span><span class="n">radio</span><span class="w"></span>
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<span class="err">╰──</span><span class="w"> </span><span class="o"><</span><span class="n">child</span><span class="o">></span><span class="w"></span></pre></td>
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||
</tr>
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||
</tbody>
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||
</table>
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||
</div>
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||
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<p></p>
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<p>A GtkRadioButton without indicator changes the name of its main node
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to button and adds a .radio style class to it. The subnode is invisible
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in this case.</p>
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<div class="refsect3">
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||
<a name="id-1.3.9.4.10.9.8"></a><h4>How to create a group of two radio buttons.</h4>
|
||
<div class="informalexample">
|
||
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
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||
<tbody>
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||
<tr>
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||
<td class="listing_lines" align="right"><pre>1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24</pre></td>
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||
<td class="listing_code"><pre class="programlisting"><span class="kt">void</span><span class="w"> </span><span class="nf">create_radio_buttons</span><span class="w"> </span><span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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||
|
||
<span class="w"> </span><span class="n">GtkWidget</span><span class="w"> </span><span class="o">*</span><span class="n">window</span><span class="p">,</span><span class="w"> </span><span class="o">*</span><span class="n">radio1</span><span class="p">,</span><span class="w"> </span><span class="o">*</span><span class="n">radio2</span><span class="p">,</span><span class="w"> </span><span class="o">*</span><span class="n">box</span><span class="p">,</span><span class="w"> </span><span class="o">*</span><span class="n">entry</span><span class="p">;</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">window</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">gtk_window_new</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_WINDOW_TOPLEVEL</span><span class="p">);</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">box</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">gtk_box_new</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_ORIENTATION_VERTICAL</span><span class="p">,</span><span class="w"> </span><span class="mi">2</span><span class="p">);</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">gtk_box_set_homogeneous</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_BOX</span><span class="w"> </span><span class="p">(</span><span class="n">box</span><span class="p">),</span><span class="w"> </span><span class="n">TRUE</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="w"> </span><span class="c1">// Create a radio button with a GtkEntry widget</span>
|
||
<span class="w"> </span><span class="n">radio1</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">gtk_radio_button_new</span><span class="w"> </span><span class="p">(</span><span class="nb">NULL</span><span class="p">);</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">entry</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">gtk_entry_new</span><span class="w"> </span><span class="p">();</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">gtk_container_add</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_CONTAINER</span><span class="w"> </span><span class="p">(</span><span class="n">radio1</span><span class="p">),</span><span class="w"> </span><span class="n">entry</span><span class="p">);</span><span class="w"></span>
|
||
|
||
|
||
<span class="w"> </span><span class="c1">// Create a radio button with a label</span>
|
||
<span class="w"> </span><span class="n">radio2</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">gtk_radio_button_new_with_label_from_widget</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_RADIO_BUTTON</span><span class="w"> </span><span class="p">(</span><span class="n">radio1</span><span class="p">),</span><span class="w"></span>
|
||
<span class="w"> </span><span class="s">"I’m the second radio button."</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="w"> </span><span class="c1">// Pack them into a box, then show all the widgets</span>
|
||
<span class="w"> </span><span class="n">gtk_box_pack_start</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_BOX</span><span class="w"> </span><span class="p">(</span><span class="n">box</span><span class="p">),</span><span class="w"> </span><span class="n">radio1</span><span class="p">);</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">gtk_box_pack_start</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_BOX</span><span class="w"> </span><span class="p">(</span><span class="n">box</span><span class="p">),</span><span class="w"> </span><span class="n">radio2</span><span class="p">);</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">gtk_container_add</span><span class="w"> </span><span class="p">(</span><span class="n">GTK_CONTAINER</span><span class="w"> </span><span class="p">(</span><span class="n">window</span><span class="p">),</span><span class="w"> </span><span class="n">box</span><span class="p">);</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">gtk_widget_show_all</span><span class="w"> </span><span class="p">(</span><span class="n">window</span><span class="p">);</span><span class="w"></span>
|
||
<span class="w"> </span><span class="k">return</span><span class="p">;</span><span class="w"></span>
|
||
<span class="p">}</span><span class="w"></span></pre></td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
</div>
|
||
|
||
<p></p>
|
||
<p>When an unselected button in the group is clicked the clicked button
|
||
receives the <a class="link" href="GtkToggleButton.html#GtkToggleButton-toggled" title="The “toggled” signal"><span class="type">“toggled”</span></a> signal, as does the previously
|
||
selected button.
|
||
Inside the <a class="link" href="GtkToggleButton.html#GtkToggleButton-toggled" title="The “toggled” signal"><span class="type">“toggled”</span></a> handler, <a class="link" href="GtkToggleButton.html#gtk-toggle-button-get-active" title="gtk_toggle_button_get_active ()"><code class="function">gtk_toggle_button_get_active()</code></a>
|
||
can be used to determine if the button has been selected or deselected.</p>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<div class="refsect1">
|
||
<a name="GtkRadioButton.functions_details"></a><h2>Functions</h2>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-new"></a><h3>gtk_radio_button_new ()</h3>
|
||
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
|
||
gtk_radio_button_new (<em class="parameter"><code><span class="type">GSList</span> *group</code></em>);</pre>
|
||
<p>Creates a new <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a>. To be of any practical value, a widget should
|
||
then be packed into the radio button.</p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-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>group</p></td>
|
||
<td class="parameter_description"><p>an existing
|
||
radio button group, or <code class="literal">NULL</code> if you are creating a new group. </p></td>
|
||
<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GtkRadioButton][<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-radio-button-new.returns"></a><h4>Returns</h4>
|
||
<p> a new radio button</p>
|
||
</div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-new-from-widget"></a><h3>gtk_radio_button_new_from_widget ()</h3>
|
||
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
|
||
gtk_radio_button_new_from_widget (<em class="parameter"><code><a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *radio_group_member</code></em>);</pre>
|
||
<p>Creates a new <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a>, adding it to the same group as
|
||
<em class="parameter"><code>radio_group_member</code></em>
|
||
. As with <a class="link" href="GtkRadioButton.html#gtk-radio-button-new" title="gtk_radio_button_new ()"><code class="function">gtk_radio_button_new()</code></a>, a widget
|
||
should be packed into the radio button.</p>
|
||
<p><span class="annotation">[<acronym title="This symbol is a constructor, not a static method."><span class="acronym">constructor</span></acronym>]</span></p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-from-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>radio_group_member</p></td>
|
||
<td class="parameter_description"><p>an existing <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a>. </p></td>
|
||
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
|
||
</tr></tbody>
|
||
</table></div>
|
||
</div>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-from-widget.returns"></a><h4>Returns</h4>
|
||
<p>a new radio button. </p>
|
||
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
|
||
</div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-new-with-label"></a><h3>gtk_radio_button_new_with_label ()</h3>
|
||
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
|
||
gtk_radio_button_new_with_label (<em class="parameter"><code><span class="type">GSList</span> *group</code></em>,
|
||
<em class="parameter"><code>const <span class="type">gchar</span> *label</code></em>);</pre>
|
||
<p>Creates a new <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> with a text label.</p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-with-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>group</p></td>
|
||
<td class="parameter_description"><p>an existing
|
||
radio button group, or <code class="literal">NULL</code> if you are creating a new group. </p></td>
|
||
<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GtkRadioButton][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
|
||
</tr>
|
||
<tr>
|
||
<td class="parameter_name"><p>label</p></td>
|
||
<td class="parameter_description"><p>the text label to display next to the radio button.</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-with-label.returns"></a><h4>Returns</h4>
|
||
<p> a new radio button.</p>
|
||
</div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-new-with-label-from-widget"></a><h3>gtk_radio_button_new_with_label_from_widget ()</h3>
|
||
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
|
||
gtk_radio_button_new_with_label_from_widget
|
||
(<em class="parameter"><code><a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *radio_group_member</code></em>,
|
||
<em class="parameter"><code>const <span class="type">gchar</span> *label</code></em>);</pre>
|
||
<p>Creates a new <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> with a text label, adding it to
|
||
the same group as <em class="parameter"><code>radio_group_member</code></em>
|
||
.</p>
|
||
<p><span class="annotation">[<acronym title="This symbol is a constructor, not a static method."><span class="acronym">constructor</span></acronym>]</span></p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-with-label-from-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>radio_group_member</p></td>
|
||
<td class="parameter_description"><p>widget to get radio group from or <code class="literal">NULL</code>. </p></td>
|
||
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
|
||
</tr>
|
||
<tr>
|
||
<td class="parameter_name"><p>label</p></td>
|
||
<td class="parameter_description"><p>a text string to display next to the radio button.</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-with-label-from-widget.returns"></a><h4>Returns</h4>
|
||
<p>a new radio button. </p>
|
||
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
|
||
</div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-new-with-mnemonic"></a><h3>gtk_radio_button_new_with_mnemonic ()</h3>
|
||
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
|
||
gtk_radio_button_new_with_mnemonic (<em class="parameter"><code><span class="type">GSList</span> *group</code></em>,
|
||
<em class="parameter"><code>const <span class="type">gchar</span> *label</code></em>);</pre>
|
||
<p>Creates a new <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> containing a label, adding it to the same
|
||
group as <em class="parameter"><code>group</code></em>
|
||
. The label will be created using
|
||
<a class="link" href="GtkLabel.html#gtk-label-new-with-mnemonic" title="gtk_label_new_with_mnemonic ()"><code class="function">gtk_label_new_with_mnemonic()</code></a>, so underscores in <em class="parameter"><code>label</code></em>
|
||
indicate the
|
||
mnemonic for the button.</p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-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>group</p></td>
|
||
<td class="parameter_description"><p>the radio button
|
||
group, or <code class="literal">NULL</code>. </p></td>
|
||
<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GtkRadioButton][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
|
||
</tr>
|
||
<tr>
|
||
<td class="parameter_name"><p>label</p></td>
|
||
<td class="parameter_description"><p>the text of the button, with an underscore in front of the
|
||
mnemonic character</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-with-mnemonic.returns"></a><h4>Returns</h4>
|
||
<p> a new <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a></p>
|
||
</div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-new-with-mnemonic-from-widget"></a><h3>gtk_radio_button_new_with_mnemonic_from_widget ()</h3>
|
||
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
|
||
gtk_radio_button_new_with_mnemonic_from_widget
|
||
(<em class="parameter"><code><a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *radio_group_member</code></em>,
|
||
<em class="parameter"><code>const <span class="type">gchar</span> *label</code></em>);</pre>
|
||
<p>Creates a new <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> containing a label. The label
|
||
will be created using <a class="link" href="GtkLabel.html#gtk-label-new-with-mnemonic" title="gtk_label_new_with_mnemonic ()"><code class="function">gtk_label_new_with_mnemonic()</code></a>, so underscores
|
||
in <em class="parameter"><code>label</code></em>
|
||
indicate the mnemonic for the button.</p>
|
||
<p><span class="annotation">[<acronym title="This symbol is a constructor, not a static method."><span class="acronym">constructor</span></acronym>]</span></p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-with-mnemonic-from-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>radio_group_member</p></td>
|
||
<td class="parameter_description"><p>widget to get radio group from or <code class="literal">NULL</code>. </p></td>
|
||
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
|
||
</tr>
|
||
<tr>
|
||
<td class="parameter_name"><p>label</p></td>
|
||
<td class="parameter_description"><p>the text of the button, with an underscore in front of the
|
||
mnemonic character</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-new-with-mnemonic-from-widget.returns"></a><h4>Returns</h4>
|
||
<p>a new <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a>. </p>
|
||
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
|
||
</div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-set-group"></a><h3>gtk_radio_button_set_group ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">void</span>
|
||
gtk_radio_button_set_group (<em class="parameter"><code><a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *radio_button</code></em>,
|
||
<em class="parameter"><code><span class="type">GSList</span> *group</code></em>);</pre>
|
||
<p>Sets a <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a>’s group. It should be noted that this does not change
|
||
the layout of your interface in any way, so if you are changing the group,
|
||
it is likely you will need to re-arrange the user interface to reflect these
|
||
changes.</p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-set-group.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>radio_button</p></td>
|
||
<td class="parameter_description"><p>a <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a>.</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr>
|
||
<tr>
|
||
<td class="parameter_name"><p>group</p></td>
|
||
<td class="parameter_description"><p>an existing radio
|
||
button group, such as one returned from <a class="link" href="GtkRadioButton.html#gtk-radio-button-get-group" title="gtk_radio_button_get_group ()"><code class="function">gtk_radio_button_get_group()</code></a>, or <code class="literal">NULL</code>. </p></td>
|
||
<td class="parameter_annotations"><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GtkRadioButton][<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>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-get-group"></a><h3>gtk_radio_button_get_group ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">GSList</span> *
|
||
gtk_radio_button_get_group (<em class="parameter"><code><a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *radio_button</code></em>);</pre>
|
||
<p>Retrieves the group assigned to a radio button.</p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-get-group.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>radio_button</p></td>
|
||
<td class="parameter_description"><p>a <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a>.</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr></tbody>
|
||
</table></div>
|
||
</div>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-get-group.returns"></a><h4>Returns</h4>
|
||
<p>a linked list
|
||
containing all the radio buttons in the same group
|
||
as <em class="parameter"><code>radio_button</code></em>
|
||
. The returned list is owned by the radio button
|
||
and must not be modified or freed. </p>
|
||
<p><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GtkRadioButton][<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
|
||
</div>
|
||
</div>
|
||
<hr>
|
||
<div class="refsect2">
|
||
<a name="gtk-radio-button-join-group"></a><h3>gtk_radio_button_join_group ()</h3>
|
||
<pre class="programlisting"><span class="returnvalue">void</span>
|
||
gtk_radio_button_join_group (<em class="parameter"><code><a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *radio_button</code></em>,
|
||
<em class="parameter"><code><a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *group_source</code></em>);</pre>
|
||
<p>Joins a <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> object to the group of another <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> object</p>
|
||
<p>Use this in language bindings instead of the <a class="link" href="GtkRadioButton.html#gtk-radio-button-get-group" title="gtk_radio_button_get_group ()"><code class="function">gtk_radio_button_get_group()</code></a>
|
||
and <a class="link" href="GtkRadioButton.html#gtk-radio-button-set-group" title="gtk_radio_button_set_group ()"><code class="function">gtk_radio_button_set_group()</code></a> methods</p>
|
||
<p>A common way to set up a group of radio buttons is the following:</p>
|
||
<div class="informalexample">
|
||
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
|
||
<tbody>
|
||
<tr>
|
||
<td class="listing_lines" align="right"><pre>1
|
||
2
|
||
3
|
||
4
|
||
5
|
||
6
|
||
7
|
||
8
|
||
9
|
||
10</pre></td>
|
||
<td class="listing_code"><pre class="programlisting"><span class="n">GtkRadioButton</span><span class="w"> </span><span class="o">*</span><span class="n">radio_button</span><span class="p">;</span><span class="w"></span>
|
||
<span class="n">GtkRadioButton</span><span class="w"> </span><span class="o">*</span><span class="n">last_button</span><span class="p">;</span><span class="w"></span>
|
||
|
||
<span class="k">while</span><span class="w"> </span><span class="p">(</span><span class="n">some_condition</span><span class="p">)</span><span class="w"></span>
|
||
<span class="w"> </span><span class="p">{</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">radio_button</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">gtk_radio_button_new</span><span class="w"> </span><span class="p">(</span><span class="nb">NULL</span><span class="p">);</span><span class="w"></span>
|
||
|
||
<span class="w"> </span><span class="n">gtk_radio_button_join_group</span><span class="w"> </span><span class="p">(</span><span class="n">radio_button</span><span class="p">,</span><span class="w"> </span><span class="n">last_button</span><span class="p">);</span><span class="w"></span>
|
||
<span class="w"> </span><span class="n">last_button</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">radio_button</span><span class="p">;</span><span class="w"></span>
|
||
<span class="w"> </span><span class="p">}</span><span class="w"></span></pre></td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
</div>
|
||
|
||
<p></p>
|
||
<div class="refsect3">
|
||
<a name="gtk-radio-button-join-group.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>radio_button</p></td>
|
||
<td class="parameter_description"><p>the <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> object</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr>
|
||
<tr>
|
||
<td class="parameter_name"><p>group_source</p></td>
|
||
<td class="parameter_description"><p>a radio button object whos group we are
|
||
joining, or <code class="literal">NULL</code> to remove the radio button from its group. </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-3-0.html#api-index-3.0">3.0</a></p>
|
||
</div>
|
||
</div>
|
||
<div class="refsect1">
|
||
<a name="GtkRadioButton.other_details"></a><h2>Types and Values</h2>
|
||
<div class="refsect2">
|
||
<a name="GtkRadioButton-struct"></a><h3>struct GtkRadioButton</h3>
|
||
<pre class="programlisting">struct GtkRadioButton;</pre>
|
||
</div>
|
||
</div>
|
||
<div class="refsect1">
|
||
<a name="GtkRadioButton.property-details"></a><h2>Property Details</h2>
|
||
<div class="refsect2">
|
||
<a name="GtkRadioButton--group"></a><h3>The <code class="literal">“group”</code> property</h3>
|
||
<pre class="programlisting"> “group” <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *</pre>
|
||
<p>Sets a new group for a radio button.</p>
|
||
<p>Owner: GtkRadioButton</p>
|
||
<p>Flags: Write</p>
|
||
</div>
|
||
</div>
|
||
<div class="refsect1">
|
||
<a name="GtkRadioButton.signal-details"></a><h2>Signal Details</h2>
|
||
<div class="refsect2">
|
||
<a name="GtkRadioButton-group-changed"></a><h3>The <code class="literal">“group-changed”</code> signal</h3>
|
||
<pre class="programlisting"><span class="returnvalue">void</span>
|
||
user_function (<a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> *button,
|
||
<span class="type">gpointer</span> user_data)</pre>
|
||
<p>Emitted when the group of radio buttons that a radio button belongs
|
||
to changes. This is emitted when a radio button switches from
|
||
being alone to being part of a group of 2 or more buttons, or
|
||
vice-versa, and when a button is moved from one group of 2 or
|
||
more buttons to a different one, but not when the composition
|
||
of the group that a button belongs to changes.</p>
|
||
<div class="refsect3">
|
||
<a name="GtkRadioButton-group-changed.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>button</p></td>
|
||
<td class="parameter_description"><p>the object which received the signal</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr>
|
||
<tr>
|
||
<td class="parameter_name"><p>user_data</p></td>
|
||
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
|
||
<td class="parameter_annotations"> </td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
</div>
|
||
<p>Flags: Run First</p>
|
||
<p class="since">Since: 2.4</p>
|
||
</div>
|
||
</div>
|
||
<div class="refsect1">
|
||
<a name="GtkRadioButton.see-also"></a><h2>See Also</h2>
|
||
<p><a class="link" href="GtkComboBox.html" title="GtkComboBox"><span class="type">GtkComboBox</span></a></p>
|
||
</div>
|
||
</div>
|
||
<div class="footer">
|
||
<hr>Generated by GTK-Doc V1.33.1</div>
|
||
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|
||
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