| /* |
| * Copyright (C) 2001-2004 Bart Massey and Jamey Sharp. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Except as contained in this notice, the names of the authors or their |
| * institutions shall not be used in advertising or otherwise to promote the |
| * sale, use or other dealings in this Software without prior written |
| * authorization from the authors. |
| */ |
| |
| #ifndef __XCBEXT_H |
| #define __XCBEXT_H |
| |
| #include "xcb.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* xcb_ext.c */ |
| |
| struct xcb_extension_t { |
| const char *name; |
| int global_id; |
| }; |
| |
| |
| /* xcb_out.c */ |
| |
| typedef struct { |
| size_t count; |
| xcb_extension_t *ext; |
| uint8_t opcode; |
| uint8_t isvoid; |
| } xcb_protocol_request_t; |
| |
| enum xcb_send_request_flags_t { |
| XCB_REQUEST_CHECKED = 1 << 0, |
| XCB_REQUEST_RAW = 1 << 1, |
| XCB_REQUEST_DISCARD_REPLY = 1 << 2 |
| }; |
| |
| unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vector, const xcb_protocol_request_t *request); |
| |
| /* xcb_take_socket allows external code to ask XCB for permission to |
| * take over the write side of the socket and send raw data with |
| * xcb_writev. xcb_take_socket provides the sequence number of the last |
| * request XCB sent. The caller of xcb_take_socket must supply a |
| * callback which XCB can call when it wants the write side of the |
| * socket back to make a request. This callback synchronizes with the |
| * external socket owner and flushes any output queues if appropriate. |
| * If you are sending requests which won't cause a reply, please note the |
| * comment for xcb_writev which explains some sequence number wrap issues. |
| * */ |
| int xcb_take_socket(xcb_connection_t *c, void (*return_socket)(void *closure), void *closure, int flags, uint64_t *sent); |
| |
| /* You must own the write-side of the socket (you've called |
| * xcb_take_socket, and haven't returned from return_socket yet) to call |
| * xcb_writev. Also, the iovec must have at least 1 byte of data in it. |
| * You have to make sure that xcb can detect sequence number wraps correctly. |
| * This means that the first request you send after xcb_take_socket must cause a |
| * reply (e.g. just insert a GetInputFocus request). After every (1 << 16) - 1 |
| * requests without a reply, you have to insert a request which will cause a |
| * reply. You can again use GetInputFocus for this. You do not have to wait for |
| * any of the GetInputFocus replies, but can instead handle them via |
| * xcb_discard_reply(). */ |
| int xcb_writev(xcb_connection_t *c, struct iovec *vector, int count, uint64_t requests); |
| |
| |
| /* xcb_in.c */ |
| |
| void *xcb_wait_for_reply(xcb_connection_t *c, unsigned int request, xcb_generic_error_t **e); |
| int xcb_poll_for_reply(xcb_connection_t *c, unsigned int request, void **reply, xcb_generic_error_t **error); |
| |
| |
| /* xcb_util.c */ |
| |
| int xcb_popcount(uint32_t mask); |
| int xcb_sumof(uint8_t *list, int len); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |