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1 | /*********************************************************** |
2 | ||
3 | Copyright 1987, 1998 The Open Group | |
4 | ||
5 | Permission to use, copy, modify, distribute, and sell this software and its | |
6 | documentation for any purpose is hereby granted without fee, provided that | |
7 | the above copyright notice appear in all copies and that both that | |
8 | copyright notice and this permission notice appear in supporting | |
9 | documentation. | |
10 | ||
11 | The above copyright notice and this permission notice shall be included in | |
12 | all copies or substantial portions of the Software. | |
13 | ||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | ||
21 | Except as contained in this notice, the name of The Open Group shall not be | |
22 | used in advertising or otherwise to promote the sale, use or other dealings | |
23 | in this Software without prior written authorization from The Open Group. | |
24 | ||
25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. | |
26 | ||
27 | All Rights Reserved | |
28 | ||
29 | Permission to use, copy, modify, and distribute this software and its | |
30 | documentation for any purpose and without fee is hereby granted, | |
31 | provided that the above copyright notice appear in all copies and that | |
32 | both that copyright notice and this permission notice appear in | |
33 | supporting documentation, and that the name of Digital not be | |
34 | used in advertising or publicity pertaining to distribution of the | |
35 | software without specific, written prior permission. | |
36 | ||
37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
43 | SOFTWARE. | |
44 | ||
45 | ******************************************************************/ | |
46 | ||
47 | #ifndef EXTENSIONSTRUCT_H | |
48 | #define EXTENSIONSTRUCT_H | |
49 | ||
50 | #include "dix.h" | |
51 | #include "misc.h" | |
52 | #include "screenint.h" | |
53 | #include "extension.h" | |
54 | #include "gc.h" | |
55 | #include "privates.h" | |
56 | ||
57 | typedef struct _ExtensionEntry { | |
58 | int index; | |
59 | void (*CloseDown) ( /* called at server shutdown */ | |
60 | struct _ExtensionEntry * /* extension */ ); | |
61 | char *name; /* extension name */ | |
62 | int base; /* base request number */ | |
63 | int eventBase; | |
64 | int eventLast; | |
65 | int errorBase; | |
66 | int errorLast; | |
67 | int num_aliases; | |
68 | char **aliases; | |
69 | pointer extPrivate; | |
70 | unsigned short (*MinorOpcode) ( /* called for errors */ | |
71 | ClientPtr /* client */ ); | |
72 | PrivateRec *devPrivates; | |
73 | } ExtensionEntry; | |
74 | ||
75 | /* | |
76 | * The arguments may be different for extension event swapping functions. | |
77 | * Deal with this by casting when initializing the event's EventSwapVector[] | |
78 | * entries. | |
79 | */ | |
80 | typedef void (*EventSwapPtr) (xEvent *, xEvent *); | |
81 | ||
82 | extern _X_EXPORT EventSwapPtr EventSwapVector[128]; | |
83 | ||
84 | extern _X_EXPORT void | |
85 | NotImplemented( /* FIXME: this may move to another file... */ | |
86 | xEvent *, xEvent *) _X_NORETURN; | |
87 | ||
88 | #define SetGCVector(pGC, VectorElement, NewRoutineAddress, Atom) \ | |
89 | pGC->VectorElement = NewRoutineAddress; | |
90 | ||
91 | #define GetGCValue(pGC, GCElement) (pGC->GCElement) | |
92 | ||
93 | extern _X_EXPORT ExtensionEntry * | |
94 | AddExtension(const char * /*name */ , | |
95 | int /*NumEvents */ , | |
96 | int /*NumErrors */ , | |
97 | int (* /*MainProc */ )(ClientPtr /*client */ ), | |
98 | int (* /*SwappedMainProc */ )(ClientPtr /*client */ ), | |
99 | void (* /*CloseDownProc */ )(ExtensionEntry * /*extension */ ), | |
100 | unsigned short (* /*MinorOpcodeProc */ )(ClientPtr /*client */ ) | |
101 | ); | |
102 | ||
103 | extern _X_EXPORT Bool | |
104 | AddExtensionAlias(const char * /*alias */ , | |
105 | ExtensionEntry * /*extension */ ); | |
106 | ||
107 | extern _X_EXPORT ExtensionEntry * | |
108 | CheckExtension(const char *extname); | |
109 | extern _X_EXPORT ExtensionEntry * | |
110 | GetExtensionEntry(int major); | |
111 | ||
112 | #endif /* EXTENSIONSTRUCT_H */ |