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xcb_input_query_device_state(3)  XCB Requests  xcb_input_query_device_state(3)


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.

X Version 11                      libxcb 1.15  xcb_input_query_device_state(3)

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