XCB: xcb.h Source File

XCB 1.11.1

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xcb.h
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1 /*
2 * Copyright (C) 2001-2006 Bart Massey, Jamey Sharp, and Josh Triplett.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
19 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Except as contained in this notice, the names of the authors or their
23 * institutions shall not be used in advertising or otherwise to promote the
24 * sale, use or other dealings in this Software without prior written
25 * authorization from the authors.
26 */
27
28 #ifndef __XCB_H__
29 #define __XCB_H__
30 #include <sys/types.h>
31
32 #if defined(__solaris__)
33 #include <inttypes.h>
34 #else
35 #include <stdint.h>
36 #endif
37
38 #ifndef _WIN32
39 #include <sys/uio.h>
40 #else
41 #include "xcb_windefs.h"
42 #endif
43 #include <pthread.h>
44
45
46 #ifdef __cplusplus
47 extern "C" {
48 #endif
49
54 #define XCB_PACKED __attribute__((__packed__))
55
63 /* Pre-defined constants */
64
66 #define X_PROTOCOL 11
67
69 #define X_PROTOCOL_REVISION 0
70
72 #define X_TCP_PORT 6000
73
75 #define XCB_CONN_ERROR 1
76
78 #define XCB_CONN_CLOSED_EXT_NOTSUPPORTED 2
79
81 #define XCB_CONN_CLOSED_MEM_INSUFFICIENT 3
82
84 #define XCB_CONN_CLOSED_REQ_LEN_EXCEED 4
85
87 #define XCB_CONN_CLOSED_PARSE_ERR 5
88
90 #define XCB_CONN_CLOSED_INVALID_SCREEN 6
91
93 #define XCB_CONN_CLOSED_FDPASSING_FAILED 7
94
95 #define XCB_TYPE_PAD(T,I) (-(I) & (sizeof(T) > 4 ? 3 : sizeof(T) - 1))
96
97 /* Opaque structures */
98
104 typedef struct xcb_connection_t xcb_connection_t;
107 /* Other types */
108
114 typedef struct {
115 void *data;
116 int rem;
117 int index;
118 } xcb_generic_iterator_t;
119
125 typedef struct {
126 uint8_t response_type;
127 uint8_t pad0;
128 uint16_t sequence;
129 uint32_t length;
130 } xcb_generic_reply_t;
131
137 typedef struct {
138 uint8_t response_type;
139 uint8_t pad0;
140 uint16_t sequence;
141 uint32_t pad[7];
142 uint32_t full_sequence;
143 } xcb_generic_event_t;
144
154 typedef struct {
155 uint8_t response_type;
156 uint8_t pad0;
157 uint16_t sequence;
158 uint32_t length;
159 uint16_t event_type;
160 uint16_t pad1;
161 uint32_t pad[5];
162 uint32_t full_sequence;
163 } xcb_ge_event_t;
164
170 typedef struct {
171 uint8_t response_type;
172 uint8_t error_code;
173 uint16_t sequence;
174 uint32_t resource_id;
175 uint16_t minor_code;
176 uint8_t major_code;
177 uint8_t pad0;
178 uint32_t pad[5];
179 uint32_t full_sequence;
180 } xcb_generic_error_t;
181
187 typedef struct {
188 unsigned int sequence;
189 } xcb_void_cookie_t;
190
191
192 /* Include the generated xproto header. */
193 #include "xproto.h"
194
195
197 #define XCB_NONE 0L
198
200 #define XCB_COPY_FROM_PARENT 0L
201
203 #define XCB_CURRENT_TIME 0L
204
206 #define XCB_NO_SYMBOL 0L
207
208
209 /* xcb_auth.c */
210
216 typedef struct xcb_auth_info_t {
217 int namelen;
218 char *name;
219 int datalen;
220 char *data;
221 } xcb_auth_info_t;
222
223
224 /* xcb_out.c */
225
234 int xcb_flush(xcb_connection_t *c);
235
251 uint32_t xcb_get_maximum_request_length(xcb_connection_t *c);
252
270 void xcb_prefetch_maximum_request_length(xcb_connection_t *c);
271
272
273 /* xcb_in.c */
274
284 xcb_generic_event_t *xcb_wait_for_event(xcb_connection_t *c);
285
297 xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c);
298
313 xcb_generic_event_t *xcb_poll_for_queued_event(xcb_connection_t *c);
314
315 typedef struct xcb_special_event xcb_special_event_t;
316
320 xcb_generic_event_t *xcb_poll_for_special_event(xcb_connection_t *c,
321 xcb_special_event_t *se);
322
326 xcb_generic_event_t *xcb_wait_for_special_event(xcb_connection_t *c,
327 xcb_special_event_t *se);
331 typedef struct xcb_extension_t xcb_extension_t;
336 xcb_special_event_t *xcb_register_for_special_xge(xcb_connection_t *c,
337 xcb_extension_t *ext,
338 uint32_t eid,
339 uint32_t *stamp);
340
344 void xcb_unregister_for_special_event(xcb_connection_t *c,
345 xcb_special_event_t *se);
346
363 xcb_generic_error_t *xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie);
364
379 void xcb_discard_reply(xcb_connection_t *c, unsigned int sequence);
380
400 void xcb_discard_reply64(xcb_connection_t *c, uint64_t sequence);
401
402 /* xcb_ext.c */
403
420 const struct xcb_query_extension_reply_t *xcb_get_extension_data(xcb_connection_t *c, xcb_extension_t *ext);
421
433 void xcb_prefetch_extension_data(xcb_connection_t *c, xcb_extension_t *ext);
434
435
436 /* xcb_conn.c */
437
456 const struct xcb_setup_t *xcb_get_setup(xcb_connection_t *c);
457
466 int xcb_get_file_descriptor(xcb_connection_t *c);
467
486 int xcb_connection_has_error(xcb_connection_t *c);
487
505 xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info);
506
514 void xcb_disconnect(xcb_connection_t *c);
515
516
517 /* xcb_util.c */
518
536 int xcb_parse_display(const char *name, char **host, int *display, int *screen);
537
555 xcb_connection_t *xcb_connect(const char *displayname, int *screenp);
556
574 xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *display, xcb_auth_info_t *auth, int *screen);
575
576
577 /* xcb_xid.c */
578
587 uint32_t xcb_generate_id(xcb_connection_t *c);
588
589
594 #ifdef __cplusplus
595 }
596 #endif
597
598
599 #endif /* __XCB_H__ */
xcb_generate_id
uint32_t xcb_generate_id(xcb_connection_t *c)
Allocates an XID for a new object.
Definition: xcb_xid.c:41
xcb_generic_error_t
Generic error.
Definition: xcb.h:170
xcb_prefetch_extension_data
void xcb_prefetch_extension_data(xcb_connection_t *c, xcb_extension_t *ext)
Prefetch of extension data into the extension cache.
Definition: xcb_ext.c:106
xcb_generic_event_t::pad0
uint8_t pad0
Definition: xcb.h:139
xcb_ge_event_t
GE event.
Definition: xcb.h:154
xcb_query_extension_reply_t
xcb_query_extension_reply_t
Definition: xproto.h:4152
xcb_generic_iterator_t::index
int index
Definition: xcb.h:117
xcb_generic_error_t::major_code
uint8_t major_code
Definition: xcb.h:176
xcb_parse_display
int xcb_parse_display(const char *name, char **host, int *display, int *screen)
Parses a display string name in the form documented by X(7x).
Definition: xcb_util.c:212
xcb_extension_t
Definition: xcbext.h:39
xcb_generic_reply_t
Generic reply.
Definition: xcb.h:125
xcb_generic_iterator_t::data
void * data
Definition: xcb.h:115
xcb_auth_info_t::namelen
int namelen
Definition: xcb.h:217
xcb_generic_reply_t::response_type
uint8_t response_type
Definition: xcb.h:126
xcb_get_maximum_request_length
uint32_t xcb_get_maximum_request_length(xcb_connection_t *c)
Returns the maximum request length that this server accepts.
Definition: xcb_out.c:158
xcb_auth_info_t::data
char * data
Definition: xcb.h:220
xcb_generic_iterator_t
Generic iterator.
Definition: xcb.h:114
xcb_connect_to_fd
xcb_connection_t * xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info)
Connects to the X server.
Definition: xcb_conn.c:311
xcb_get_file_descriptor
int xcb_get_file_descriptor(xcb_connection_t *c)
Access the file descriptor of the connection.
Definition: xcb_conn.c:297
xcb_auth_info_t::name
char * name
Definition: xcb.h:218
xcb_generic_reply_t::pad0
uint8_t pad0
Definition: xcb.h:127
xcb_ge_event_t::response_type
uint8_t response_type
Definition: xcb.h:155
xcb_generic_error_t::sequence
uint16_t sequence
Definition: xcb.h:173
xcb_disconnect
void xcb_disconnect(xcb_connection_t *c)
Closes the connection.
Definition: xcb_conn.c:351
xcb_auth_info_t
struct xcb_auth_info_t xcb_auth_info_t
Container for authorization information.
xcb_generic_error_t::minor_code
uint16_t minor_code
Definition: xcb.h:175
xcb_flush
int xcb_flush(xcb_connection_t *c)
Forces any buffered output to be written to the server.
Definition: xcb_out.c:352
xcb_poll_for_event
xcb_generic_event_t * xcb_poll_for_event(xcb_connection_t *c)
Returns the next event or error from the server.
Definition: xcb_in.c:716
xcb_prefetch_maximum_request_length
void xcb_prefetch_maximum_request_length(xcb_connection_t *c)
Prefetch the maximum request length without blocking.
Definition: xcb_out.c:135
xcb_connect
xcb_connection_t * xcb_connect(const char *displayname, int *screenp)
Connects to the X server.
Definition: xcb_util.c:478
xcb_generic_error_t::full_sequence
uint32_t full_sequence
Definition: xcb.h:179
xcb_generic_event_t::response_type
uint8_t response_type
Definition: xcb.h:138
xcb_generic_reply_t::length
uint32_t length
Definition: xcb.h:129
xcb_ge_event_t::pad0
uint8_t pad0
Definition: xcb.h:156
xcb_request_check
xcb_generic_error_t * xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie)
Return the error for a request, or NULL if none can ever arrive.
Definition: xcb_in.c:726
xcb_discard_reply64
void xcb_discard_reply64(xcb_connection_t *c, uint64_t sequence)
Discards the reply for a request, given by a 64bit sequence number.
Definition: xcb_in.c:637
xcb_ge_event_t::sequence
uint16_t sequence
Definition: xcb.h:157
xcb_ge_event_t::full_sequence
uint32_t full_sequence
Definition: xcb.h:162
xcb_generic_iterator_t::rem
int rem
Definition: xcb.h:116
xcb_special_event
Definition: xcb_in.c:64
xcb_get_extension_data
const struct xcb_query_extension_reply_t * xcb_get_extension_data(xcb_connection_t *c, xcb_extension_t *ext)
Caches reply information from QueryExtension requests.
Definition: xcb_ext.c:88
xcb_poll_for_special_event
xcb_generic_event_t * xcb_poll_for_special_event(xcb_connection_t *c, xcb_special_event_t *se)
Returns the next event from a special queue.
Definition: xcb_in.c:762
xcb_generic_event_t::sequence
uint16_t sequence
Definition: xcb.h:140
xcb_generic_error_t::pad0
uint8_t pad0
Definition: xcb.h:177
xcb_unregister_for_special_event
void xcb_unregister_for_special_event(xcb_connection_t *c, xcb_special_event_t *se)
Stop listening for a special event.
Definition: xcb_in.c:843
xcb_generic_error_t::error_code
uint8_t error_code
Definition: xcb.h:172
xcb_generic_reply_t::sequence
uint16_t sequence
Definition: xcb.h:128
xcb_auth_info_t::datalen
int datalen
Definition: xcb.h:219
xcb_wait_for_event
xcb_generic_event_t * xcb_wait_for_event(xcb_connection_t *c)
Returns the next event or error from the server.
Definition: xcb_in.c:685
xcb_register_for_special_xge
xcb_special_event_t * xcb_register_for_special_xge(xcb_connection_t *c, xcb_extension_t *ext, uint32_t eid, uint32_t *stamp)
Listen for a special event.
Definition: xcb_in.c:800
xcb_generic_event_t
Generic event.
Definition: xcb.h:137
xcb_void_cookie_t::sequence
unsigned int sequence
Definition: xcb.h:188
xcb_poll_for_queued_event
xcb_generic_event_t * xcb_poll_for_queued_event(xcb_connection_t *c)
Returns the next event without reading from the connection.
Definition: xcb_in.c:721
xcb_connection_t
Definition: xcbint.h:195
xcb_connection_has_error
int xcb_connection_has_error(xcb_connection_t *c)
Test whether the connection has shut down due to a fatal error.
Definition: xcb_conn.c:305
xcb_connect_to_display_with_auth_info
xcb_connection_t * xcb_connect_to_display_with_auth_info(const char *display, xcb_auth_info_t *auth, int *screen)
Connects to the X server, using an authorization information.
Definition: xcb_util.c:483
xcb_get_setup
const struct xcb_setup_t * xcb_get_setup(xcb_connection_t *c)
Access the data returned by the server.
Definition: xcb_conn.c:289
xcb_void_cookie_t
Generic cookie.
Definition: xcb.h:187
xcb_generic_event_t::full_sequence
uint32_t full_sequence
Definition: xcb.h:142
xcb_setup_t
xcb_setup_t
Definition: xproto.h:453
xcb_discard_reply
void xcb_discard_reply(xcb_connection_t *c, unsigned int sequence)
Discards the reply for a request.
Definition: xcb_in.c:623
xcb_wait_for_special_event
xcb_generic_event_t * xcb_wait_for_special_event(xcb_connection_t *c, xcb_special_event_t *se)
Returns the next event from a special queue, blocking until one arrives.
Definition: xcb_in.c:775
xcb_generic_error_t::response_type
uint8_t response_type
Definition: xcb.h:171
xcb_auth_info_t
Container for authorization information.
Definition: xcb.h:216