xcb_query_colors (3) - Linux Manuals

Command to display xcb_query_colors manual in Linux: $ man 3 xcb_query_colors

NAME

xcb_query_colors -

SYNOPSIS

#include <xcb/xproto.h>

Request function

: xcb_query_colors_cookie_t xcb_query_colors(xcb_connection_t *conn, xcb_colormap_t cmap, uint32_t pixels_len, const uint32_t *pixels);

Reply datastructure

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

Reply function

: xcb_query_colors_reply_t *xcb_query_colors_reply(xcb_connection_t *conn, xcb_query_colors_cookie_t cookie, xcb_generic_error_t **e);

Reply accessors

: xcb_rgb_t *xcb_query_colors_colors(const xcb_query_colors_request_t *reply);
: int xcb_query_colors_colors_length(const xcb_query_colors_reply_t *reply);
: xcb_rgb_iterator_t xcb_query_colors_colors_iterator(const xcb_query_colors_reply_t *reply);

REQUEST ARGUMENTS

conn: The XCB connection to X11.
cmap: TODO: NOT YET DOCUMENTED.
pixels_len: TODO: NOT YET DOCUMENTED.
pixels: TODO: NOT YET DOCUMENTED.

REPLY FIELDS

response_type: The type of this reply, in this case XCB_QUERY_COLORS. 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).
colors_len: TODO: NOT YET DOCUMENTED.

DESCRIPTION

RETURN VALUE

Returns an xcb_query_colors_cookie_t. Errors have to be handled when calling the reply function xcb_query_colors_reply.

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

ERRORS

This request does never generate any errors.

AUTHOR

Generated from xproto.xml. Contact xcb [at] lists.freedesktop.org for corrections and improvements.