151 lines
4.7 KiB
C
151 lines
4.7 KiB
C
/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef EXTENSIONSTRUCT_H
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#define EXTENSIONSTRUCT_H
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#include "dix.h"
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#include "misc.h"
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#include "screenint.h"
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#include "extension.h"
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#include "gc.h"
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typedef struct _ExtensionEntry {
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int index;
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void (* CloseDown)( /* called at server shutdown */
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struct _ExtensionEntry * /* extension */);
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char *name; /* extension name */
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int base; /* base request number */
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int eventBase;
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int eventLast;
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int errorBase;
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int errorLast;
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int num_aliases;
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char **aliases;
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pointer extPrivate;
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unsigned short (* MinorOpcode)( /* called for errors */
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ClientPtr /* client */);
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DevUnion *devPrivates;
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} ExtensionEntry;
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/*
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* The arguments may be different for extension event swapping functions.
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* Deal with this by casting when initializing the event's EventSwapVector[]
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* entries.
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*/
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typedef void (*EventSwapPtr) (xEvent *, xEvent *);
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extern EventSwapPtr EventSwapVector[128];
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extern void NotImplemented ( /* FIXME: this may move to another file... */
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xEvent *,
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xEvent *);
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typedef void (* ExtensionLookupProc)(
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#ifdef EXTENSION_PROC_ARGS
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EXTENSION_PROC_ARGS
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#else
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/* args no longer indeterminate */
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char *name,
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GCPtr pGC
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#endif
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);
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typedef struct _ProcEntry {
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char *name;
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ExtensionLookupProc proc;
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} ProcEntryRec, *ProcEntryPtr;
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typedef struct _ScreenProcEntry {
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int num;
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ProcEntryPtr procList;
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} ScreenProcEntry;
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#define SetGCVector(pGC, VectorElement, NewRoutineAddress, Atom) \
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pGC->VectorElement = NewRoutineAddress;
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#define GetGCValue(pGC, GCElement) (pGC->GCElement)
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extern ExtensionEntry *AddExtension(
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char* /*name*/,
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int /*NumEvents*/,
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int /*NumErrors*/,
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int (* /*MainProc*/)(ClientPtr /*client*/),
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int (* /*SwappedMainProc*/)(ClientPtr /*client*/),
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void (* /*CloseDownProc*/)(ExtensionEntry * /*extension*/),
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unsigned short (* /*MinorOpcodeProc*/)(ClientPtr /*client*/)
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);
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extern Bool AddExtensionAlias(
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char* /*alias*/,
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ExtensionEntry * /*extension*/);
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extern ExtensionEntry *CheckExtension(const char *extname);
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extern ExtensionEntry *GetExtensionEntry(int major);
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extern ExtensionLookupProc LookupProc(
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char* /*name*/,
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GCPtr /*pGC*/);
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extern Bool RegisterProc(
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char* /*name*/,
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GCPtr /*pGC*/,
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ExtensionLookupProc /*proc*/);
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extern Bool RegisterScreenProc(
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char* /*name*/,
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ScreenPtr /*pScreen*/,
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ExtensionLookupProc /*proc*/);
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extern void DeclareExtensionSecurity(
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char * /*extname*/,
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Bool /*secure*/);
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#endif /* EXTENSIONSTRUCT_H */
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