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<?xml version="1.0"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"
[
<!ENTITY % local.common.attrib "xmlns:xi CDATA #FIXED 'http://www.w3.org/2003/XInclude'">
]>
<refentry id="libdbusmenu-glib-DbusmenuClient">
<refmeta>
<refentrytitle role="top_of_page" id="libdbusmenu-glib-DbusmenuClient.top_of_page">DbusmenuClient</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>
LIBDBUSMENU-GLIB Library
</refmiscinfo>
</refmeta>
<refnamediv>
<refname>DbusmenuClient</refname>
<refpurpose>The catcher of all the server traffic</refpurpose>
</refnamediv>
<refsect1 id="libdbusmenu-glib-DbusmenuClient.stability-level">
<title>Stability Level</title>
Unstable, unless otherwise indicated
</refsect1>
<refsynopsisdiv id="libdbusmenu-glib-DbusmenuClient.synopsis" role="synopsis">
<title role="synopsis.title">Synopsis</title>
<synopsis>
#include <libdbusmenu-glib/client.h>
#define <link linkend="DBUSMENU-CLIENT-SIGNAL-LAYOUT-UPDATED:CAPS">DBUSMENU_CLIENT_SIGNAL_LAYOUT_UPDATED</link>
#define <link linkend="DBUSMENU-CLIENT-SIGNAL-ROOT-CHANGED:CAPS">DBUSMENU_CLIENT_SIGNAL_ROOT_CHANGED</link>
#define <link linkend="DBUSMENU-CLIENT-SIGNAL-NEW-MENUITEM:CAPS">DBUSMENU_CLIENT_SIGNAL_NEW_MENUITEM</link>
#define <link linkend="DBUSMENU-CLIENT-PROP-DBUS-NAME:CAPS">DBUSMENU_CLIENT_PROP_DBUS_NAME</link>
#define <link linkend="DBUSMENU-CLIENT-PROP-DBUS-OBJECT:CAPS">DBUSMENU_CLIENT_PROP_DBUS_OBJECT</link>
#define <link linkend="DBUSMENU-CLIENT-TYPES-DEFAULT:CAPS">DBUSMENU_CLIENT_TYPES_DEFAULT</link>
#define <link linkend="DBUSMENU-CLIENT-TYPES-SEPARATOR:CAPS">DBUSMENU_CLIENT_TYPES_SEPARATOR</link>
#define <link linkend="DBUSMENU-CLIENT-TYPES-IMAGE:CAPS">DBUSMENU_CLIENT_TYPES_IMAGE</link>
<link linkend="DbusmenuClient">DbusmenuClient</link>;
<link linkend="DbusmenuClientClass">DbusmenuClientClass</link>;
<link linkend="gboolean"><returnvalue>gboolean</returnvalue></link> (<link linkend="DbusmenuClientTypeHandler">*DbusmenuClientTypeHandler</link>) (<parameter><link linkend="DbusmenuMenuitem"><type>DbusmenuMenuitem</type></link> *newitem</parameter>,
<parameter><link linkend="DbusmenuMenuitem"><type>DbusmenuMenuitem</type></link> *parent</parameter>,
<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>);
<link linkend="DbusmenuClient"><returnvalue>DbusmenuClient</returnvalue></link> * <link linkend="dbusmenu-client-new">dbusmenu_client_new</link> (<parameter>const <link linkend="gchar"><type>gchar</type></link> *name</parameter>,
<parameter>const <link linkend="gchar"><type>gchar</type></link> *object</parameter>);
<link linkend="DbusmenuMenuitem"><returnvalue>DbusmenuMenuitem</returnvalue></link> * <link linkend="dbusmenu-client-get-root">dbusmenu_client_get_root</link> (<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>);
<link linkend="gboolean"><returnvalue>gboolean</returnvalue></link> <link linkend="dbusmenu-client-add-type-handler">dbusmenu_client_add_type_handler</link> (<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>,
<parameter>const <link linkend="gchar"><type>gchar</type></link> *type</parameter>,
<parameter><link linkend="DbusmenuClientTypeHandler"><type>DbusmenuClientTypeHandler</type></link> newfunc</parameter>);
<link linkend="void"><returnvalue>void</returnvalue></link> <link linkend="dbusmenu-client-send-event">dbusmenu_client_send_event</link> (<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>,
<parameter><link linkend="gint"><type>gint</type></link> id</parameter>,
<parameter>const <link linkend="gchar"><type>gchar</type></link> *name</parameter>,
<parameter>const <link linkend="GValue"><type>GValue</type></link> *value</parameter>,
<parameter><link linkend="guint"><type>guint</type></link> timestamp</parameter>);
<link linkend="void"><returnvalue>void</returnvalue></link> <link linkend="dbusmenu-client-send-about-to-show">dbusmenu_client_send_about_to_show</link> (<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>,
<parameter><link linkend="gint"><type>gint</type></link> id</parameter>,
<parameter><link linkend="void"><type>void</type></link> (cbgpointer user_data) ()</parameter>,
<parameter><link linkend="gpointer"><type>gpointer</type></link> cb_data</parameter>);
</synopsis>
</refsynopsisdiv>
<refsect1 id="libdbusmenu-glib-DbusmenuClient.description" role="desc">
<title role="desc.title">Description</title>
<para>
The client exists as a mirror to the server. For most folks
all they will do with a client is set it up to connect to
a server and then watch as the menu items on their side
of the bus change. This is all they should need to know about
the client, that it magically makes their menuitems dance.
</para>
<para>
It does this by setting up signal watchers and adjusting
the menuitems appropriately. Most users should watch the
menu items and the signal <link linkend="DbusmenuClient-layout-changed"><type>"layout-changed"</type></link> for
larger events so that they can be optimized. It is possible
with that signal that even the root node would change. If
that doesn't happen the normal signals on the individual
nodes should be enough for most users.
</para>
</refsect1>
<refsect1 id="libdbusmenu-glib-DbusmenuClient.details" role="details">
<title role="details.title">Details</title>
<refsect2 id="DBUSMENU-CLIENT-SIGNAL-LAYOUT-UPDATED:CAPS" role="macro">
<title>DBUSMENU_CLIENT_SIGNAL_LAYOUT_UPDATED</title>
<indexterm zone="DBUSMENU-CLIENT-SIGNAL-LAYOUT-UPDATED:CAPS"><primary>DBUSMENU_CLIENT_SIGNAL_LAYOUT_UPDATED</primary></indexterm>
<programlisting>#define DBUSMENU_CLIENT_SIGNAL_LAYOUT_UPDATED "layout-updated"
</programlisting>
<para>
</para></refsect2>
<refsect2 id="DBUSMENU-CLIENT-SIGNAL-ROOT-CHANGED:CAPS" role="macro">
<title>DBUSMENU_CLIENT_SIGNAL_ROOT_CHANGED</title>
<indexterm zone="DBUSMENU-CLIENT-SIGNAL-ROOT-CHANGED:CAPS"><primary>DBUSMENU_CLIENT_SIGNAL_ROOT_CHANGED</primary></indexterm>
<programlisting>#define DBUSMENU_CLIENT_SIGNAL_ROOT_CHANGED "root-changed"
</programlisting>
<para>
</para></refsect2>
<refsect2 id="DBUSMENU-CLIENT-SIGNAL-NEW-MENUITEM:CAPS" role="macro">
<title>DBUSMENU_CLIENT_SIGNAL_NEW_MENUITEM</title>
<indexterm zone="DBUSMENU-CLIENT-SIGNAL-NEW-MENUITEM:CAPS"><primary>DBUSMENU_CLIENT_SIGNAL_NEW_MENUITEM</primary></indexterm>
<programlisting>#define DBUSMENU_CLIENT_SIGNAL_NEW_MENUITEM "new-menuitem"
</programlisting>
<para>
</para></refsect2>
<refsect2 id="DBUSMENU-CLIENT-PROP-DBUS-NAME:CAPS" role="macro">
<title>DBUSMENU_CLIENT_PROP_DBUS_NAME</title>
<indexterm zone="DBUSMENU-CLIENT-PROP-DBUS-NAME:CAPS"><primary>DBUSMENU_CLIENT_PROP_DBUS_NAME</primary></indexterm>
<programlisting>#define DBUSMENU_CLIENT_PROP_DBUS_NAME "dbus-name"
</programlisting>
<para>
</para></refsect2>
<refsect2 id="DBUSMENU-CLIENT-PROP-DBUS-OBJECT:CAPS" role="macro">
<title>DBUSMENU_CLIENT_PROP_DBUS_OBJECT</title>
<indexterm zone="DBUSMENU-CLIENT-PROP-DBUS-OBJECT:CAPS"><primary>DBUSMENU_CLIENT_PROP_DBUS_OBJECT</primary></indexterm>
<programlisting>#define DBUSMENU_CLIENT_PROP_DBUS_OBJECT "dbus-object"
</programlisting>
<para>
</para></refsect2>
<refsect2 id="DBUSMENU-CLIENT-TYPES-DEFAULT:CAPS" role="macro">
<title>DBUSMENU_CLIENT_TYPES_DEFAULT</title>
<indexterm zone="DBUSMENU-CLIENT-TYPES-DEFAULT:CAPS"><primary>DBUSMENU_CLIENT_TYPES_DEFAULT</primary></indexterm>
<programlisting>#define DBUSMENU_CLIENT_TYPES_DEFAULT "standard"
</programlisting>
<para>
</para></refsect2>
<refsect2 id="DBUSMENU-CLIENT-TYPES-SEPARATOR:CAPS" role="macro">
<title>DBUSMENU_CLIENT_TYPES_SEPARATOR</title>
<indexterm zone="DBUSMENU-CLIENT-TYPES-SEPARATOR:CAPS"><primary>DBUSMENU_CLIENT_TYPES_SEPARATOR</primary></indexterm>
<programlisting>#define DBUSMENU_CLIENT_TYPES_SEPARATOR "separator"
</programlisting>
<para>
</para></refsect2>
<refsect2 id="DBUSMENU-CLIENT-TYPES-IMAGE:CAPS" role="macro">
<title>DBUSMENU_CLIENT_TYPES_IMAGE</title>
<indexterm zone="DBUSMENU-CLIENT-TYPES-IMAGE:CAPS"><primary>DBUSMENU_CLIENT_TYPES_IMAGE</primary></indexterm>
<programlisting>#define DBUSMENU_CLIENT_TYPES_IMAGE "standard"
</programlisting>
<para>
</para></refsect2>
<refsect2 id="DbusmenuClient" role="struct">
<title>DbusmenuClient</title>
<indexterm zone="DbusmenuClient"><primary>DbusmenuClient</primary></indexterm>
<programlisting>typedef struct {
GObject parent;
} DbusmenuClient;
</programlisting>
<para>
The client for a <link linkend="DbusmenuServer"><type>DbusmenuServer</type></link> creating a shared
object set of <link linkend="DbusmenuMenuitem"><type>DbusmenuMenuitem</type></link> objects.
</para><variablelist role="struct">
<varlistentry><term><link linkend="GObject"><type>GObject</type></link> <structfield id="DbusmenuClient.parent">parent</structfield>;</term>
<listitem><simpara><link linkend="GObject"><type>GObject</type></link>.
</simpara></listitem>
</varlistentry>
</variablelist></refsect2>
<refsect2 id="DbusmenuClientClass" role="struct">
<title>DbusmenuClientClass</title>
<indexterm zone="DbusmenuClientClass"><primary>DbusmenuClientClass</primary></indexterm>
<programlisting>typedef struct {
GObjectClass parent_class;
void (*layout_updated)(void);
void (*root_changed) (DbusmenuMenuitem * newroot);
void (*new_menuitem) (DbusmenuMenuitem * newitem);
/* Reserved for future use */
void (*reserved1) (void);
void (*reserved2) (void);
void (*reserved3) (void);
void (*reserved4) (void);
} DbusmenuClientClass;
</programlisting>
<para>
A simple class that takes all of the information from a
<link linkend="DbusmenuServer"><type>DbusmenuServer</type></link> over DBus and makes the same set of
<link linkend="DbusmenuMenuitem"><type>DbusmenuMenuitem</type></link> objects appear on the other side.
</para><variablelist role="struct">
<varlistentry><term><link linkend="GObjectClass"><type>GObjectClass</type></link> <structfield id="DbusmenuClientClass.parent-class">parent_class</structfield>;</term>
<listitem><simpara><link linkend="GObjectClass"><type>GObjectClass</type></link>
</simpara></listitem>
</varlistentry>
<varlistentry><term><structfield id="DbusmenuClientClass.layout-updated">layout_updated</structfield> ()</term>
<listitem><simpara>Slot for <link linkend="DbusmenuClient-layout-updated"><type>"layout-updated"</type></link>.
</simpara></listitem>
</varlistentry>
<varlistentry><term><structfield id="DbusmenuClientClass.root-changed">root_changed</structfield> ()</term>
<listitem><simpara>
</simpara></listitem>
</varlistentry>
<varlistentry><term><structfield id="DbusmenuClientClass.new-menuitem">new_menuitem</structfield> ()</term>
<listitem><simpara>Slot for <link linkend="DbusmenuClient-new-menuitem"><type>"new-menuitem"</type></link>.
</simpara></listitem>
</varlistentry>
<varlistentry><term><structfield id="DbusmenuClientClass.reserved1">reserved1</structfield> ()</term>
<listitem><simpara>Reserved for future use.
</simpara></listitem>
</varlistentry>
<varlistentry><term><structfield id="DbusmenuClientClass.reserved2">reserved2</structfield> ()</term>
<listitem><simpara>Reserved for future use.
</simpara></listitem>
</varlistentry>
<varlistentry><term><structfield id="DbusmenuClientClass.reserved3">reserved3</structfield> ()</term>
<listitem><simpara>Reserved for future use.
</simpara></listitem>
</varlistentry>
<varlistentry><term><structfield id="DbusmenuClientClass.reserved4">reserved4</structfield> ()</term>
<listitem><simpara>Reserved for future use.
</simpara></listitem>
</varlistentry>
</variablelist></refsect2>
<refsect2 id="DbusmenuClientTypeHandler" role="function">
<title>DbusmenuClientTypeHandler ()</title>
<indexterm zone="DbusmenuClientTypeHandler"><primary>DbusmenuClientTypeHandler</primary></indexterm>
<programlisting><link linkend="gboolean"><returnvalue>gboolean</returnvalue></link> (*DbusmenuClientTypeHandler) (<parameter><link linkend="DbusmenuMenuitem"><type>DbusmenuMenuitem</type></link> *newitem</parameter>,
<parameter><link linkend="DbusmenuMenuitem"><type>DbusmenuMenuitem</type></link> *parent</parameter>,
<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>);</programlisting>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>newitem</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>parent</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>client</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2 id="dbusmenu-client-new" role="function">
<title>dbusmenu_client_new ()</title>
<indexterm zone="dbusmenu-client-new"><primary>dbusmenu_client_new</primary></indexterm>
<programlisting><link linkend="DbusmenuClient"><returnvalue>DbusmenuClient</returnvalue></link> * dbusmenu_client_new (<parameter>const <link linkend="gchar"><type>gchar</type></link> *name</parameter>,
<parameter>const <link linkend="gchar"><type>gchar</type></link> *object</parameter>);</programlisting>
<para>
This function creates a new client that connects to a specific
server on DBus. That server is at a specific location sharing
a known object. The interface is assumed by the code to be
the DBus menu interface. The newly created client will start
sending out events as it syncs up with the server.
</para><variablelist role="params">
<varlistentry><term><parameter>name</parameter> :</term>
<listitem><simpara>The DBus name for the server to connect to
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>object</parameter> :</term>
<listitem><simpara>The object on the server to monitor
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> A brand new <link linkend="DbusmenuClient"><type>DbusmenuClient</type></link>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2 id="dbusmenu-client-get-root" role="function">
<title>dbusmenu_client_get_root ()</title>
<indexterm zone="dbusmenu-client-get-root"><primary>dbusmenu_client_get_root</primary></indexterm>
<programlisting><link linkend="DbusmenuMenuitem"><returnvalue>DbusmenuMenuitem</returnvalue></link> * dbusmenu_client_get_root (<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>);</programlisting>
<para>
Grabs the root node for the specified client <parameter>client</parameter>. This
function may block. It will block if there is currently a
call to update the layout, it will block on that layout
updated and then return the newly updated layout. Chances
are that this update is in the queue for the mainloop as
it would have been requested some time ago, but in theory
it could block longer.
</para><variablelist role="params">
<varlistentry><term><parameter>client</parameter> :</term>
<listitem><simpara>The <link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> to get the root node from
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> A <link linkend="DbusmenuMenuitem"><type>DbusmenuMenuitem</type></link> representing the root of
menu on the server. If there is no server or there is
an error receiving its layout it'll return <link linkend="NULL:CAPS"><type>NULL</type></link>.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2 id="dbusmenu-client-add-type-handler" role="function">
<title>dbusmenu_client_add_type_handler ()</title>
<indexterm zone="dbusmenu-client-add-type-handler"><primary>dbusmenu_client_add_type_handler</primary></indexterm>
<programlisting><link linkend="gboolean"><returnvalue>gboolean</returnvalue></link> dbusmenu_client_add_type_handler (<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>,
<parameter>const <link linkend="gchar"><type>gchar</type></link> *type</parameter>,
<parameter><link linkend="DbusmenuClientTypeHandler"><type>DbusmenuClientTypeHandler</type></link> newfunc</parameter>);</programlisting>
<para>
This function connects into the type handling of the <link linkend="DbusmenuClient"><type>DbusmenuClient</type></link>.
Every new menuitem that comes in immediately gets asked for it's
properties. When we get those properties we check the 'type'
property and look to see if it matches a handler that is known
by the client. If so, the <parameter>newfunc</parameter> function is executed on that
<link linkend="DbusmenuMenuitem"><type>DbusmenuMenuitem</type></link>. If not, then the DbusmenuClient::new-menuitem
signal is sent.
</para>
<para>
In the future the known types will be sent to the server so that it
can make choices about the menu item types availble.
</para><variablelist role="params">
<varlistentry><term><parameter>client</parameter> :</term>
<listitem><simpara>Client where we're getting types coming in
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>type</parameter> :</term>
<listitem><simpara>A text string that will be matched with the 'type'
property on incoming menu items
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>newfunc</parameter> :</term>
<listitem><simpara>The function that will be executed with those new
items when they come in.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> If registering the new type was successful.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2 id="dbusmenu-client-send-event" role="function">
<title>dbusmenu_client_send_event ()</title>
<indexterm zone="dbusmenu-client-send-event"><primary>dbusmenu_client_send_event</primary></indexterm>
<programlisting><link linkend="void"><returnvalue>void</returnvalue></link> dbusmenu_client_send_event (<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>,
<parameter><link linkend="gint"><type>gint</type></link> id</parameter>,
<parameter>const <link linkend="gchar"><type>gchar</type></link> *name</parameter>,
<parameter>const <link linkend="GValue"><type>GValue</type></link> *value</parameter>,
<parameter><link linkend="guint"><type>guint</type></link> timestamp</parameter>);</programlisting>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>client</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>id</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>name</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>value</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>timestamp</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2 id="dbusmenu-client-send-about-to-show" role="function">
<title>dbusmenu_client_send_about_to_show ()</title>
<indexterm zone="dbusmenu-client-send-about-to-show"><primary>dbusmenu_client_send_about_to_show</primary></indexterm>
<programlisting><link linkend="void"><returnvalue>void</returnvalue></link> dbusmenu_client_send_about_to_show (<parameter><link linkend="DbusmenuClient"><type>DbusmenuClient</type></link> *client</parameter>,
<parameter><link linkend="gint"><type>gint</type></link> id</parameter>,
<parameter><link linkend="void"><type>void</type></link> (cbgpointer user_data) ()</parameter>,
<parameter><link linkend="gpointer"><type>gpointer</type></link> cb_data</parameter>);</programlisting>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>client</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>id</parameter> :</term>
<listitem><simpara>
<parameter>gpointer</parameter> user_data:
<parameter>gpointer</parameter> user_data:
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>cb_data</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
</refentry>
|
