xcb_input_xi_query_device_unchecked3
Part of xcb_input_xi_query_device(3).
Usage
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
uint8_t response_type;
uint8_t pad0;
uint16_t sequence;
uint32_t length;
uint16_t num_infos;
uint8_t pad1
[22]
;
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.
Overview
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.
Releases
6 releases since Debian 9 (Stretch); the text changed 4 times.