/*
 * Copyright 1996 Network Computing Devices
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, 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 NCD. not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  NCD. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * NCD. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NCD.
 * 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.
 *
 * Author:  Keith Packard, Network Computing Devices
 */

#include <stdio.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#define _WCP_SERVER_
#include "scope.h"
#include "x11.h"
#include "wcpscope.h"
#include "extensions.h"

static unsigned char WCPRequest, WCPError;

static void
wcp_decode_req(FD fd, const unsigned char *buf)
{
    short Major = IByte(&buf[0]);
    short Minor = IByte(&buf[1]);

    switch (Minor) {
    case 0:
        WcpQueryVersion(fd, buf);
        ExtendedReplyExpected(fd, Major, Minor);
        break;
    case 1:
        WcpPutImage(fd, buf);
        break;
    case 2:
        WcpGetImage(fd, buf);
        ExtendedReplyExpected(fd, Major, Minor);
        break;
    case 3:
        WcpCreateColorCursor(fd, buf);
        break;
    case 4:
        WcpCreateLut(fd, buf);
        break;
    case 5:
        WcpFreeLut(fd, buf);
        break;
    case 6:
        WcpCopyArea(fd, buf);
        break;
    default:
        break;
    }
}

static void
wcp_decode_reply(FD fd, const unsigned char *buf, short RequestMinor)
{
    switch (RequestMinor) {
    case 0:
        WcpQueryVersionReply(fd, buf);
        break;
    case 2:
        WcpGetImageReply(fd, buf);
        break;
    default:
        break;
    }
}

static void
wcp_decode_error(FD fd, const unsigned char *buf)
{
    short error = IByte(&buf[1]) - WCPError;

    switch (error) {
    case 0:
        break;
    default:
        break;
    }
}

void
InitializeWCP(const unsigned char *buf)
{
    TYPE p;

    WCPRequest = (unsigned char) (buf[9]);
    WCPError = (unsigned char) (buf[11]);

    DefineEValue(&TD[REQUEST], (unsigned long) WCPRequest, "WcpRequest");
    DefineEValue(&TD[REPLY], (unsigned long) WCPRequest, "WcpReply");
    DefineEValue(&TD[ERROR], (unsigned long) WCPError, "WcpError");

    p = DefineType(WCPREQUEST, ENUMERATED, "WCPREQUEST",
                   (PrintProcType) PrintENUMERATED);
    DefineEValue(p, 0L, "WcpQueryVersion");
    DefineEValue(p, 1L, "WcpPutImage");
    DefineEValue(p, 2L, "WcpGetImage");
    DefineEValue(p, 3L, "WcpCreateColorCursor");
    DefineEValue(p, 4L, "WcpCreateLut");
    DefineEValue(p, 5L, "WcpFreeLut");
    DefineEValue(p, 6L, "WcpCopyArea");

    p = DefineType(WCPREPLY, ENUMERATED, "WCPREPLY",
                   (PrintProcType) PrintENUMERATED);
    DefineEValue(p, 0L, "QueryVersion");

    InitializeExtensionDecoder(WCPRequest, wcp_decode_req, wcp_decode_reply);
    InitializeExtensionErrorDecoder(WCPError, wcp_decode_error);
}