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xcb_input_xi_query_device

Section: XCB Requests (3)
Updated: libxcb 1.12
Index Return to Main Contents
 

NAME

xcb_input_xi_query_device -  

SYNOPSIS

#include <xcb/xinput.h>  

Request function

xcb_input_xi_query_device_cookie_t xcb_input_xi_query_device(xcb_connection_t *conn, xcb_input_device_id_t deviceid);

 

Reply datastructure


typedef struct xcb_input_xi_query_device_reply_t {
    uint8_t  response_type;
    uint8_t  pad0;
    uint16_t sequence;
    uint32_t length;
    uint16_t num_infos;
    uint8_t  pad1[22];
} xcb_input_xi_query_device_reply_t;
 

Reply function

xcb_input_xi_query_device_reply_t *xcb_input_xi_query_device_reply(xcb_connection_t *conn, xcb_input_xi_query_device_cookie_t cookie, xcb_generic_error_t **e);
 

Reply accessors

int xcb_input_xi_query_device_infos_length(const xcb_input_xi_query_device_reply_t *reply);
xcb_input_xi_device_info_iterator_t xcb_input_xi_query_device_infos_iterator(const xcb_input_xi_query_device_reply_t *reply);
 

REQUEST ARGUMENTS

conn
The XCB connection to X11.
deviceid
TODO: NOT YET DOCUMENTED.
 

REPLY FIELDS

response_type
The type of this reply, in this case XCB_INPUT_XI_QUERY_DEVICE. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other.
sequence
The sequence number of the last request processed by the X11 server.
length
The length of the reply, in words (a word is 4 bytes).
num_infos
TODO: NOT YET DOCUMENTED.
 

DESCRIPTION

 

RETURN VALUE

Returns an xcb_input_xi_query_device_cookie_t. Errors have to be handled when calling the reply function xcb_input_xi_query_device_reply.

If you want to handle errors in the event loop instead, use xcb_input_xi_query_device_unchecked. See xcb-requests(3) for details.  

ERRORS

This request does never generate any errors.  

SEE ALSO

 

AUTHOR

Generated from xinput.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
 

Index

NAME
SYNOPSIS
Request function
Reply datastructure
Reply function
Reply accessors
REQUEST ARGUMENTS
REPLY FIELDS
DESCRIPTION
RETURN VALUE
ERRORS
SEE ALSO
AUTHOR





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