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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>GtkCombo</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="DeprecatedObjects.html" title="Deprecated"><link rel="prev" href="GtkCTree.html" title="GtkCTree"><link rel="next" href="GtkFileSelection.html" title="GtkFileSelection"><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" href="WindowWidgets.html" 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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="GtkCTree.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="DeprecatedObjects.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="GtkFileSelection.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="#id4527775" class="shortcut">Top</a>  |  <a href="#id4528238" class="shortcut">Description</a>  |  <a href="#id4528036" class="shortcut">Object Hierarchy</a>  |  <a href="#id4528106" class="shortcut">Implemented Interfaces</a>  |  <a href="#id4528136" class="shortcut">Properties</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GtkCombo"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id4527775"></a><span class="refentrytitle">GtkCombo</span></h2><p>GtkCombo — A text entry field with a dropdown list</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <gtk/gtk.h> <a class="link" href="GtkCombo.html#GtkCombo-struct">GtkCombo</a>;<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkCombo.html#gtk-combo-new">gtk_combo_new</a> (void);void <a class="link" href="GtkCombo.html#gtk-combo-set-popdown-strings">gtk_combo_set_popdown_strings</a> (<a class="link" href="GtkCombo.html" title="GtkCombo">GtkCombo</a> *combo, <ahref="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList">GList</a> *strings);void <a class="link" href="GtkCombo.html#gtk-combo-set-value-in-list">gtk_combo_set_value_in_list</a> (<a class="link" href="GtkCombo.html" title="GtkCombo">GtkCombo</a> *combo, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> val, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> ok_if_empty);void <a class="link" href="GtkCombo.html#gtk-combo-set-use-arrows">gtk_combo_set_use_arrows</a> (<a class="link" href="GtkCombo.html" title="GtkCombo">GtkCombo</a> *combo, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> val);void <a class="link" href="GtkCombo.html#gtk-combo-set-use-arrows-always">gtk_combo_set_use_arrows_always</a> (<a class="link" href="GtkCombo.html" title="GtkCombo">GtkCombo</a> *combo, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> val);void <a class="link" href="GtkCombo.html#gtk-combo-set-case-sensitive">gtk_combo_set_case_sensitive</a> (<a class="link" href="GtkCombo.html" title="GtkCombo">GtkCombo</a> *combo, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> val);void <a class="link" href="GtkCombo.html#gtk-combo-set-item-string">gtk_combo_set_item_string</a> (<a class="link" href="GtkCombo.html" title="GtkCombo">GtkCombo</a> *combo, <a class="link" href="GtkItem.html" title="GtkItem">GtkItem</a> *item, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *item_value);void <a class="link" href="GtkCombo.html#gtk-combo-disable-activate">gtk_combo_disable_activate</a> (<a class="link" href="GtkCombo.html" title="GtkCombo">GtkCombo</a> *combo);</pre></div><div class="refsect1" lang="en"><a name="id4528036"></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="GtkBox.html" title="GtkBox">GtkBox</a> +----<a class="link" href="GtkHBox.html" title="GtkHBox">GtkHBox</a> +----GtkCombo</pre></div><div class="refsect1" lang="en"><a name="id4528106"></a><h2>Implemented Interfaces</h2><p>GtkCombo implements AtkImplementorIface and <a class="link" href="gtk-gtkbuildable.html#GtkBuildable">GtkBuildable</a>.</p></div><div class="refsect1" lang="en"><a name="id4528136"></a><h2>Properties</h2><pre class="synopsis"> "<a class="link" href="GtkCombo.html#GtkCombo--allow-empty">allow-empty</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkCombo.html#GtkCombo--case-sensitive">case-sensitive</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkCombo.html#GtkCombo--enable-arrow-keys">enable-arrow-keys</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkCombo.html#GtkCombo--enable-arrows-always">enable-arrows-always</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkCombo.html#GtkCombo--value-in-list">value-in-list</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write</pre></div><div class="refsect1" lang="en"><a name="id4528238"></a><h2>Description</h2><p>The <a class="link" href="GtkCombo.html" title="GtkCombo"><span class="type">GtkCombo</span></a> widget consists of a single-line text entry field and a drop-downlist. The drop-down list is displayed when the user clicks on a small arrowbutton to the right of the entry field.</p><p>The drop-down list is a <a class="link" href="GtkList.html" title="GtkList"><span class="type">GtkList</span></a> widget and can be accessed using the<em class="structfield"><code>list</code></em> member of the <a class="link" href="GtkCombo.html#GtkCombo-struct"><span class="type">GtkCombo</span></a>.List elements can contain arbitrary widgets, but if an element is not aplain label, then you must use the <code class="function">gtk_list_set_item_string()</code> function.This sets the string which will be placed in the text entry field when theitem is selected.</p><p>By default, the user can step through the items in the list using thearrow (cursor) keys, though this behaviour can be turned off with<a class="link" href="GtkCombo.html#gtk-combo-set-use-arrows"><code class="function">gtk_combo_set_use_arrows()</code></a>.</p><p>As of GTK+ 2.4, <a class="link" href="GtkCombo.html" title="GtkCombo"><span class="type">GtkCombo</span></a> has been deprecated in favor of <a class="link" href="GtkComboBox.html" title="GtkComboBox"><span class="type">GtkComboBox</span></a>.</p><div class="example"><a name="gtkcombo-simple-example"></a><p class="title"><b>Example 52. Creating a <span class="structname">GtkCombo</span> widget with simple text items.</b></p><div class="example-contents"><pre class="programlisting"> GtkWidget *combo; GList *items = NULL; items = g_list_append (items, "First Item");⌨️ 快捷键说明
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