/***********************************************************
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

******************************************************************/
/* $XConsortium: dixstruct.h,v 1.33 94/04/17 20:25:40 dpw Exp $ */
/* $XFree86: xc/programs/Xserver/include/dixstruct.h,v 3.0 1994/12/25 12:36:41 dawes Exp $ */

#ifndef DIXSTRUCT_H
#define DIXSTRUCT_H

#include "dix.h"
#include "resource.h"
#include "cursor.h"
#include "gc.h"
#include "pixmap.h"
#include <X11/Xmd.h>

/*
 * 	direct-mapped hash table, used by resource manager to store
 *      translation from client ids to server addresses.
 */

typedef struct _TimeStamp {
    CARD32 months;	/* really ~49.7 days */
    CARD32 milliseconds;
}           TimeStamp;

#ifdef DEBUG
#define MAX_REQUEST_LOG 100
#endif

extern CallbackListPtr ClientStateCallback;

typedef enum {ClientStateInitial,
	      ClientStateAuthenticating,
	      ClientStateRunning,
	      ClientStateRetained,
	      ClientStateGone} ClientState;

typedef struct _Client {
    int         index;
    Mask        clientAsMask;
    pointer     requestBuffer;
    pointer     osPrivate;	/* for OS layer, including scheduler */
    Bool        swapped;
    void        (*pSwapReplyFunc) (
#if NeedNestedPrototypes
		ClientPtr	/* pClient */,
		int		/* size */,
		void *		/* pbuf */
#endif
);
    XID         errorValue;
    int         sequence;
    int         closeDownMode;
    int         clientGone;
    int         noClientException;	/* this client died or needs to be
					 * killed */
    DrawablePtr lastDrawable;
    Drawable    lastDrawableID;
    GCPtr       lastGC;
    GContext    lastGCID;
    pointer    *saveSet;
    int         numSaved;
    pointer     screenPrivate[MAXSCREENS];
    int         (**requestVector) (
#if NeedNestedPrototypes
		ClientPtr /* pClient */
#endif
);
    CARD32	req_len;		/* length of current request */
    Bool	big_requests;		/* supports large requests */
    int		priority;
    ClientState clientState;
    DevUnion	*devPrivates;
#ifdef XKB
    unsigned short xkbClientFlags;
    unsigned short mapNotifyMask;
#endif

#ifdef DEBUG
    unsigned char requestLog[MAX_REQUEST_LOG];
    int         requestLogIndex;
#endif
#if defined(LBX) || defined(LBX_COMPAT)
    ClientPublicRec public;
    int         lbxIndex;
#endif
}           ClientRec;

typedef struct _WorkQueue {
    struct _WorkQueue *next;
    Bool        (*function) (
#if NeedNestedPrototypes
		ClientPtr	/* pClient */,
		pointer		/* closure */
#endif
);
    ClientPtr   client;
    pointer     closure;
}           WorkQueueRec;

extern TimeStamp currentTime;
extern TimeStamp lastDeviceEventTime;

extern int CompareTimeStamps(
#if NeedFunctionPrototypes
    TimeStamp /*a*/,
    TimeStamp /*b*/
#endif
);

extern TimeStamp ClientTimeToServerTime(
#if NeedFunctionPrototypes
    CARD32 /*c*/
#endif
);

typedef struct _CallbackRec {
  CallbackProcPtr proc;
  pointer data;
  Bool deleted;
  struct _CallbackRec *next;
} CallbackRec, *CallbackPtr;

typedef struct _CallbackList {
  CallbackFuncsRec funcs;
  int inCallback;
  Bool deleted;
  int numDeleted;
  CallbackPtr list;
} CallbackListRec;

#endif				/* DIXSTRUCT_H */