xenocara/xserver/Xi/allowev.c

/************************************************************

Copyright 1989, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
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in this Software without prior written authorization from The Open Group.

Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.

			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 Hewlett-Packard not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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********************************************************/

/***********************************************************************
 *
 * Function to allow frozen events to be routed from extension input devices.
 *
 */

#define	 NEED_EVENTS
#define	 NEED_REPLIES
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include "inputstr.h"	/* DeviceIntPtr      */
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>

#include "exglobals.h"

#include "allowev.h"
#include "dixevents.h"

/***********************************************************************
 *
 * This procedure allows frozen events to be routed.
 *
 */

int
SProcXAllowDeviceEvents(ClientPtr client)
{
    char n;

    REQUEST(xAllowDeviceEventsReq);
    swaps(&stuff->length, n);
    REQUEST_SIZE_MATCH(xAllowDeviceEventsReq);
    swapl(&stuff->time, n);
    return (ProcXAllowDeviceEvents(client));
}

/***********************************************************************
 *
 * This procedure allows frozen events to be routed.
 *
 */

int
ProcXAllowDeviceEvents(ClientPtr client)
{
    TimeStamp time;
    DeviceIntPtr thisdev;
    int rc;

    REQUEST(xAllowDeviceEventsReq);
    REQUEST_SIZE_MATCH(xAllowDeviceEventsReq);

    rc = dixLookupDevice(&thisdev, stuff->deviceid, client, DixGetAttrAccess);
    if (rc != Success)
	return rc;
    time = ClientTimeToServerTime(stuff->time);

    switch (stuff->mode) {
    case ReplayThisDevice:
	AllowSome(client, time, thisdev, NOT_GRABBED, FALSE);
	break;
    case SyncThisDevice:
	AllowSome(client, time, thisdev, FREEZE_NEXT_EVENT, FALSE);
	break;
    case AsyncThisDevice:
	AllowSome(client, time, thisdev, THAWED, FALSE);
	break;
    case AsyncOtherDevices:
	AllowSome(client, time, thisdev, THAW_OTHERS, FALSE);
	break;
    case SyncAll:
	AllowSome(client, time, thisdev, FREEZE_BOTH_NEXT_EVENT, FALSE);
	break;
    case AsyncAll:
	AllowSome(client, time, thisdev, THAWED_BOTH, FALSE);
	break;
    default:
	client->errorValue = stuff->mode;
	return BadValue;
    }
    return Success;
}