xcb_query_colors - Man Page
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.
See Also
Author
Generated from xproto.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
Referenced By
The man pages xcb_query_colors_colors(3), xcb_query_colors_colors_iterator(3), xcb_query_colors_colors_length(3), xcb_query_colors_reply(3) and xcb_query_colors_unchecked(3) are aliases of xcb_query_colors(3).