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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>GtkAction</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="Actions.html" title="Action-based menus and toolbars"><link rel="prev" href="GtkActionGroup.html" title="GtkActionGroup"><link rel="next" href="GtkToggleAction.html" title="GtkToggleAction"><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="GtkActionGroup.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="Actions.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="GtkToggleAction.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="#id3980262" class="shortcut">Top</a>  |  <a href="#id3981273" class="shortcut">Description</a>  |  <a href="#id3980926" class="shortcut">Object Hierarchy</a>  |  <a href="#id3980965" class="shortcut">Implemented Interfaces</a>  |  <a href="#id3980988" class="shortcut">Properties</a>  |  <a href="#id3981245" class="shortcut">Signals</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GtkAction"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3980262"></a><span class="refentrytitle">GtkAction</span></h2><p>GtkAction — An action which can be triggered by a menu or toolbar item</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="GtkAction.html#GtkAction-struct">GtkAction</a>;<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a>* <a class="link" href="GtkAction.html#gtk-action-new">gtk_action_new</a> (const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *name, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *label, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *tooltip, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *stock_id);const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a>* <a class="link" href="GtkAction.html#gtk-action-get-name">gtk_action_get_name</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="GtkAction.html#gtk-action-is-sensitive">gtk_action_is_sensitive</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="GtkAction.html#gtk-action-get-sensitive">gtk_action_get_sensitive</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);void <a class="link" href="GtkAction.html#gtk-action-set-sensitive">gtk_action_set_sensitive</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> sensitive);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="GtkAction.html#gtk-action-is-visible">gtk_action_is_visible</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="GtkAction.html#gtk-action-get-visible">gtk_action_get_visible</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);void <a class="link" href="GtkAction.html#gtk-action-set-visible">gtk_action_set_visible</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> visible);void <a class="link" href="GtkAction.html#gtk-action-activate">gtk_action_activate</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkAction.html#gtk-action-create-icon">gtk_action_create_icon</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, <a class="link" href="gtk-Themeable-Stock-Images.html#GtkIconSize">GtkIconSize</a> icon_size);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkAction.html#gtk-action-create-menu-item">gtk_action_create_menu_item</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkAction.html#gtk-action-create-tool-item">gtk_action_create_tool_item</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkAction.html#gtk-action-create-menu">gtk_action_create_menu</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);void <a class="link" href="GtkAction.html#gtk-action-connect-proxy">gtk_action_connect_proxy</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, <a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a> *proxy);void <a class="link" href="GtkAction.html#gtk-action-disconnect-proxy">gtk_action_disconnect_proxy</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, <a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a> *proxy);<ahref="/usr/share/gtk-doc/html/glib/glib-Singly-Linked-Lists.html#GSList">GSList</a>* <a class="link" href="GtkAction.html#gtk-action-get-proxies">gtk_action_get_proxies</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);void <a class="link" href="GtkAction.html#gtk-action-connect-accelerator">gtk_action_connect_accelerator</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);void <a class="link" href="GtkAction.html#gtk-action-disconnect-accelerator">gtk_action_disconnect_accelerator</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);void <a class="link" href="GtkAction.html#gtk-action-block-activate-from">gtk_action_block_activate_from</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, <a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a> *proxy);void <a class="link" href="GtkAction.html#gtk-action-unblock-activate-from">gtk_action_unblock_activate_from</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, <a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a> *proxy);const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a>* <a class="link" href="GtkAction.html#gtk-action-get-accel-path">gtk_action_get_accel_path</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);void <a class="link" href="GtkAction.html#gtk-action-set-accel-path">gtk_action_set_accel_path</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *accel_path);<ahref="/usr/share/gtk-doc/html/gobject/gobject-Closures.html#GClosure">GClosure</a>* <a class="link" href="GtkAction.html#gtk-action-get-accel-closure">gtk_action_get_accel_closure</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action);void <a class="link" href="GtkAction.html#gtk-action-set-accel-group">gtk_action_set_accel_group</a> (<a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a> *action, <a class="link" href="gtk-Keyboard-Accelerators.html#GtkAccelGroup">GtkAccelGroup</a> *accel_group);</pre></div><div class="refsect1" lang="en"><a name="id3980926"></a><h2>Object Hierarchy</h2><pre class="synopsis"> <ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a> +----GtkAction +----<a class="link" href="GtkToggleAction.html" title="GtkToggleAction">GtkToggleAction</a> +----<a class="link" href="GtkRecentAction.html" title="GtkRecentAction">GtkRecentAction</a></pre></div><div class="refsect1" lang="en"><a name="id3980965"></a><h2>Implemented Interfaces</h2><p>GtkAction implements <a class="link" href="gtk-gtkbuildable.html#GtkBuildable">GtkBuildable</a>.</p></div><div class="refsect1" lang="en"><a name="id3980988"></a><h2>Properties</h2><pre class="synopsis"> "<a class="link" href="GtkAction.html#GtkAction--action-group">action-group</a>" <a class="link" href="GtkActionGroup.html" title="GtkActionGroup">GtkActionGroup</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--hide-if-empty">hide-if-empty</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--icon-name">icon-name</a>" <ahref="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray">gchararray</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--is-important">is-important</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--label">label</a>" <ahref="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray">gchararray</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--name">name</a>" <ahref="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray">gchararray</a> : Read / Write / Construct Only "<a class="link" href="GtkAction.html#GtkAction--sensitive">sensitive</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--short-label">short-label</a>" <ahref="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray">gchararray</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--stock-id">stock-id</a>" <ahref="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray">gchararray</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--tooltip">tooltip</a>" <ahref="/usr/share/gtk-doc/html/gobject/gobject-Standard-Parameter-and-Value-Types.html#gchararray">gchararray</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--visible">visible</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--visible-horizontal">visible-horizontal</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--visible-overflown">visible-overflown</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkAction.html#GtkAction--visible-vertical">visible-vertical</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="id3981245"></a><h2>Signals</h2><pre class="synopsis"> "<a class="link" href="GtkAction.html#GtkAction-activate">activate</a>" : Run First / No Recursion</pre></div><div class="refsect1" lang="en"><a name="id3981273"></a><h2>Description</h2><p>Actions represent operations that the user can be perform, along withsome information how it should be presented in the interface. Each action provides methods to create icons, menu items and toolbar items representing itself.</p><p>As well as the callback that is called when the action gets activated, the following also gets associated with the action:</p><div class="itemizedlist"><ul type="disc"><li><p>a name (not translated, for path lookup)</p></li><li><p>a label (translated, for display)</p></li><li><p>an accelerator</p></li><li><p>whether label indicates a stock id</p></li><li><p>a tooltip (optional, translated)</p></li><li><p>a toolbar label (optional, shorter than label)</p></li></ul></div><p>The action will also have some state information:</p><div class="itemizedlist"><ul type="disc"><li><p>visible (shown/hidden)</p></li><li><p>sensitive (enabled/disabled)</p></li></ul></div><p></p><p>Apart from regular actions, there are <a class="link" href="GtkToggleAction.html" title="GtkToggleAction">toggle actions</a>, which can be toggled between two states and <a class="link" href="GtkRadioAction.html" title="GtkRadioAction">radio actions</a>, of which only one in a group can be in the "active" state. Other actions can be implemented as <a class="link" href="GtkAction.html" title="GtkAction"><span class="type">GtkAction</span></a> subclasses.</p><p>Each action can have one or more proxy menu item, toolbar button orother proxy widgets. Proxies mirror the state of the action (textlabel, tooltip, icon, visible, sensitive, etc), and should change whenthe action's state changes. When the proxy is activated, it shouldactivate its action.</p></div><div class="refsect1" lang="en"><a name="id3981380"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3981391"></a><h3><a name="GtkAction-struct"></a>GtkAction</h3><a class="indexterm" name="id3981404"></a><pre class="programlisting">typedef struct _GtkAction GtkAction;</pre><p>The <span class="structname">GtkAction</span> struct contains only private membersand should not be accessed directly.</p></div><hr><div class="refsect2" lang="en"><a name="id3981424"></a><h3><a name="gtk-action-new"></a>gtk_action_new ()</h3><a class="indexterm" name="id3981439"></a><pre class="programlisting"><a class="link" href="GtkAction.html" title="GtkAction">GtkAction</a>* gtk_action_new (const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *name, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *label, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *tooltip, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> *stock_id);</pre><p>Creates a new <a class="link" href="GtkAction.html" title="GtkAction"><span class="type">GtkAction</span></a> object. To add the action to a<a class="link" href="GtkActionGroup.html" title="GtkActionGroup"><span class="type">GtkActionGroup</span></a> and set the accelerator for the action,call <a class="link" href="GtkActionGroup.html#gtk-action-group-add-action-with-accel"><code class="function">gtk_action_group_add_action_with_accel()</code></a>.See <a class="xref" href="GtkUIManager.html#XML-UI" title="UI Definitions">the section called “UI Definitions”</a> for information on allowed actionnames.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td><td> A unique name for the action</td></tr><tr><td><p><span class="term"><em class="parameter"><code>label</code></em> :</span></p></td>⌨️ 快捷键说明
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