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MAN page from CentOS Other wayland-devel-1.19.0-1.el8.i686.rpm

wl_interface

Section: Wayland (3)
Updated: Tue Jun 1 2021
Index 

NAME

wl_interface 

SYNOPSIS


#include <wayland-util.h> 

Data Fields


const char * name

int version

int method_count

const struct wl_message * methods

int event_count

const struct wl_message * events
 

Detailed Description

Protocol object interface

A wl_interface describes the API of a protocol object defined in the Wayland protocol specification. The protocol implementation uses a wl_interface within its marshalling machinery for encoding client requests.

The name of a wl_interface is the name of the corresponding protocol interface, and version represents the version of the interface. The members method_count and event_count represent the number of methods (requests) and events in the respective wl_message members.

For example, consider a protocol interface foo, marked as version 1, with two requests and one event.

<interface name="foo" version="1">  <request name="a"></request>  <request name="b"></request>  <event name="c"></event></interface>

Given two wl_message arrays foo_requests and foo_events, a wl_interface for foo might be:

struct wl_interface foo_interface = {        "foo", 1,        2, foo_requests,        1, foo_events};

Note:

The server side of the protocol may define interface implementation types that incorporate the term interface in their name. Take care to not confuse these server-side structs with a wl_interface variable whose name also ends in interface. For example, while the server may define a type struct wl_foo_interface, the client may define a struct wl_interface wl_foo_interface.

See also:

wl_message

wl_proxy

Interfaces

Versioning

 

Field Documentation

 

int wl_interface::event_count

Number of events  

const struct wl_message* wl_interface::events

Event signatures  

int wl_interface::method_count

Number of methods (requests)  

const struct wl_message* wl_interface::methods

Method (request) signatures  

const char* wl_interface::name

Interface name  

int wl_interface::version

Interface version

 

Author

Generated automatically by Doxygen for Wayland from the source code.


 

Index

NAME
SYNOPSIS
Data Fields
Detailed Description
Field Documentation
int wl_interface::event_count
const struct wl_message* wl_interface::events
int wl_interface::method_count
const struct wl_message* wl_interface::methods
const char* wl_interface::name
int wl_interface::version
Author

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