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xcb_input_query_device_state
Section: XCB Requests (3)Updated: libxcb 1.12
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NAME
xcb_input_query_device_state -SYNOPSIS
#include <xcb/xinput.h>Request function
- xcb_input_query_device_state_cookie_t xcb_input_query_device_state(xcb_connection_t *conn, uint8_t device_id);
Reply datastructure
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;
Reply function
- 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);
Reply accessors
- 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);
REQUEST ARGUMENTS
- conn
- The XCB connection to X11.
- device_id
- TODO: NOT YET DOCUMENTED.
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.
DESCRIPTION
RETURN VALUE
Returns an xcb_input_query_device_state_cookie_t. Errors have to be handled when calling the reply function 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.
ERRORS
This request does never generate any errors.SEE ALSO
AUTHOR
Generated from xinput.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.