xcb_input_query_device_state -
Contents
Description
Errors
This request does never generate any errors.
Name
xcb_input_query_device_state -
Reply Fields
response_type
The type of this reply, in this case XCB_INPUT_QUERY_DEVICE_STATE. 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).
xi_reply_type
TODO: NOT YET DOCUMENTED.
num_classes
TODO: NOT YET DOCUMENTED.
Request Arguments
conn The XCB connection to X11.
device_id TODO: NOT YET DOCUMENTED.
Return Value
Returns an xcb_input_query_device_state_cookie_t. Errors have to be handled when calling the reply func‐
tion xcb_input_query_device_state_reply.
If you want to handle errors in the event loop instead, use xcb_input_query_device_state_unchecked. See
xcb-requests(3) for details.
See Also
Synopsis
#include<xcb/xinput.h>Requestfunction
xcb_input_query_device_state_cookie_t xcb_input_query_device_state(xcb_connection_t *conn,
uint8_t device_id);
Replydatastructure
typedef struct xcb_input_query_device_state_reply_t {
uint8_t response_type;
uint8_t xi_reply_type;
uint16_t sequence;
uint32_t length;
uint8_t num_classes;
uint8_t pad0[23];
} xcb_input_query_device_state_reply_t;
Replyfunction
xcb_input_query_device_state_reply_t *xcb_input_query_device_state_reply(xcb_connection_t *conn,
xcb_input_query_device_state_cookie_t cookie, xcb_generic_error_t **e);
Replyaccessors
int xcb_input_query_device_state_classes_length(const xcb_input_query_device_state_reply_t *reply);
xcb_input_input_state_iterator_t xcb_input_query_device_state_classes_iterator(const
xcb_input_query_device_state_reply_t *reply);
