gtkradiobutton.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>GtkRadioButton</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GTK+ Reference Manual"><link rel="up" href="ButtonWidgets.html" title="Buttons and Toggles"><link rel="prev" href="GtkCheckButton.html" title="GtkCheckButton"><link rel="next" href="GtkToggleButton.html" title="GtkToggleButton"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="gtk.html" title="Part I. GTK+ Overview"><link rel="part" href="gtkbase.html" title="Part II. GTK+ Core Reference"><link rel="part" href="gtkobjects.html" title="Part III. GTK+ Widgets and Objects"><link rel="chapter" href="ch01.html" title="Object Hierarchy"><link rel="chapter" href="ch02.html" title="Widget Gallery"><link rel="chapter" 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href="glossary.html" title="Glossary"><link rel="index" href="ix01.html" title="Index"><link rel="index" href="ix02.html" title="Index of deprecated symbols"><link rel="index" href="ix03.html" title="Index of new symbols in 2.2"><link rel="index" href="ix04.html" title="Index of new symbols in 2.4"><link rel="index" href="ix05.html" title="Index of new symbols in 2.6"><link rel="index" href="ix06.html" title="Index of new symbols in 2.8"><link rel="index" href="ix07.html" title="Index of new symbols in 2.10"><link rel="index" href="ix08.html" title="Index of new symbols in 2.12"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="GtkCheckButton.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="ButtonWidgets.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GTK+ Reference Manual</th><td><a accesskey="n" href="GtkToggleButton.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#id3502812" class="shortcut">Top</a>  |  <a href="#id3503251" class="shortcut">Description</a>  |  <a href="#id3503073" class="shortcut">Object Hierarchy</a>  |  <a href="#id3503159" class="shortcut">Implemented Interfaces</a>  |  <a href="#id3503189" class="shortcut">Properties</a>  |  <a href="#id3503223" class="shortcut">Signals</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GtkRadioButton"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3502812"></a><span class="refentrytitle">GtkRadioButton</span></h2><p>GtkRadioButton — A choice from multiple check buttons</p></td><td valign="top" align="right"><img src="radio-group.png"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <gtk/gtk.h> <a class="link" href="GtkRadioButton.html#GtkRadioButton-struct">GtkRadioButton</a>;<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkRadioButton.html#gtk-radio-button-new">gtk_radio_button_new</a> (<ahref="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList">GSList</a> *group);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkRadioButton.html#gtk-radio-button-new-from-widget">gtk_radio_button_new_from_widget</a> (<a class="link" href="GtkRadioButton.html" title="GtkRadioButton">GtkRadioButton</a> *radio_group_member);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-label">gtk_radio_button_new_with_label</a> (<ahref="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList">GSList</a> *group, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *label);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-label-from-widget">gtk_radio_button_new_with_label_from_widget</a> (<a class="link" href="GtkRadioButton.html" title="GtkRadioButton">GtkRadioButton</a> *radio_group_member, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *label);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-mnemonic">gtk_radio_button_new_with_mnemonic</a> (<ahref="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList">GSList</a> *group, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *label);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-mnemonic-from-widget">gtk_radio_button_new_with_mnemonic_from_widget</a> (<a class="link" href="GtkRadioButton.html" title="GtkRadioButton">GtkRadioButton</a> *radio_group_member, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *label);#define <a class="link" href="GtkRadioButton.html#gtk-radio-button-group">gtk_radio_button_group</a>void <a class="link" href="GtkRadioButton.html#gtk-radio-button-set-group">gtk_radio_button_set_group</a> (<a class="link" href="GtkRadioButton.html" title="GtkRadioButton">GtkRadioButton</a> *radio_button, <ahref="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList">GSList</a> *group);<ahref="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList">GSList</a>* <a class="link" href="GtkRadioButton.html#gtk-radio-button-get-group">gtk_radio_button_get_group</a> (<a class="link" href="GtkRadioButton.html" title="GtkRadioButton">GtkRadioButton</a> *radio_button);</pre></div><div class="refsect1" lang="en"><a name="id3503073"></a><h2>Object Hierarchy</h2><pre class="synopsis"> <ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a> +----<ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> +----<a class="link" href="GtkObject.html" title="GtkObject">GtkObject</a> +----<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a> +----<a class="link" href="GtkContainer.html" title="GtkContainer">GtkContainer</a> +----<a class="link" href="GtkBin.html" title="GtkBin">GtkBin</a> +----<a class="link" href="GtkButton.html" title="GtkButton">GtkButton</a> +----<a class="link" href="GtkToggleButton.html" title="GtkToggleButton">GtkToggleButton</a> +----<a class="link" href="GtkCheckButton.html" title="GtkCheckButton">GtkCheckButton</a> +----GtkRadioButton</pre></div><div class="refsect1" lang="en"><a name="id3503159"></a><h2>Implemented Interfaces</h2><p>GtkRadioButton implements AtkImplementorIface and <a class="link" href="gtk-gtkbuildable.html#GtkBuildable">GtkBuildable</a>.</p></div><div class="refsect1" lang="en"><a name="id3503189"></a><h2>Properties</h2><pre class="synopsis"> "<a class="link" href="GtkRadioButton.html#GtkRadioButton--group">group</a>" <a class="link" href="GtkRadioButton.html" title="GtkRadioButton">GtkRadioButton</a> : Write</pre></div><div class="refsect1" lang="en"><a name="id3503223"></a><h2>Signals</h2><pre class="synopsis"> "<a class="link" href="GtkRadioButton.html#GtkRadioButton-group-changed">group-changed</a>" : Run First</pre></div><div class="refsect1" lang="en"><a name="id3503251"></a><h2>Description</h2><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>,as its position in the object hierarchy reflects. It is only when multipleradio buttons are grouped together that they become a different userinterface component in their own right.</p><p>Every radio button is a member of some group of radio buttons. When one is selected, all otherradio buttons in the same group are deselected. A <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> is one wayof giving the user a choice from many options.</p><p>Radio button widgets are created with <a class="link" href="GtkRadioButton.html#gtk-radio-button-new"><code class="function">gtk_radio_button_new()</code></a>, passing NULLas the argument if this is the first radio button in a group. In subsequentcalls, the group you wish to add this button to should be passed as anargument. Optionally, <a class="link" href="GtkRadioButton.html#gtk-radio-button-new-with-label"><code class="function">gtk_radio_button_new_with_label()</code></a> can be used if youwant a text label on the radio button.</p><p>Alternatively, when adding widgets to an existing group of radio buttons,use <a class="link" href="GtkRadioButton.html#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 alreadyhas a group assigned to it. The convenience function<a class="link" href="GtkRadioButton.html#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><p>To retrieve the group a <a class="link" href="GtkRadioButton.html" title="GtkRadioButton"><span class="type">GtkRadioButton</span></a> is assigned to, use<a class="link" href="GtkRadioButton.html#gtk-radio-button-get-group"><code class="function">gtk_radio_button_get_group()</code></a>.</p><p>⌨️ 快捷键说明
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