ial.c

在ｅｃｏｓ 下mingui 的移植开发

//
// $Id: ial.c,v 1.16 2000/11/27 09:38:49 ymwei Exp $
// 
// The Input Abstract Layer of MiniGUI.
//
// Copyright (C) 2000, Wei Yongming.
// Copyright (C) 2000, BluePoint Software.
//
// Current maintainer: Wei Yongming.
//

/*
**  This library is free software; you can redistribute it and/or
**  modify it under the terms of the GNU Library General Public
**  License as published by the Free Software Foundation; either
**  version 2 of the License, or (at your option) any later version.
**
**  This library is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
**  Library General Public License for more details.
**
**  You should have received a copy of the GNU Library General Public
**  License along with this library; if not, write to the Free
**  Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
**  MA 02111-1307, USA
*/

// Create date: 2000/06/13
//
// Modify records:
//
//  Who             When        Where       For What                Status
//-----------------------------------------------------------------------------
//
// TODO:Support Keyboard state array....
// 
// 

#include <stdio.h>
#include <string.h>

#ifdef _SVGALIB
    #include <vga.h>
    #include <vgamouse.h>
    #include <vgakeyboard.h>
#endif
#ifdef _LIBGGI
    #include <ggi/ggi.h>
#endif

#include "common.h"
#include "minigui.h"
#include "ial.h"

#ifdef _DUMMY_IAL
    #include "dummy.h"
#endif
#ifdef _PCSIM_IAL
    #include "pcsim.h"
#endif
#ifdef _NATIVE_IAL_ENGINE
#include "native/native.h"
#endif
#ifdef _SVGALIB
    #include "svgalib.h"
#endif
#ifdef _LIBGGI
    #include "libggi.h"
#endif
#ifdef _EP7211
	#include "ep7211.h"
#endif
#ifdef _ADS
	#include "ads.h"
#endif

#ifndef lint
static char fileid[] = "$Id: ial.c,v 1.16 2000/11/27 09:38:49 ymwei Exp $";
#endif

#define LEN_ENGINE_NAME     16
#define LEN_TYPE_NAME       16

INPUT inputs [] = 
{
#ifdef _SVGALIB
    {"SVGALib", InitSVGALibInput, TermSVGALibInput},
#endif
#ifdef _LIBGGI
    {"LibGGI", InitLibGGIInput, TermLibGGIInput},
#endif
#ifdef _EP7211
	{"EP7211", InitEP7211Input, TermEP7211Input},
#endif
#ifdef _ADS
	{"ADS", InitADSInput, TermADSInput},
#endif
#ifdef _NATIVE_IAL_ENGINE
    {"Native", InitNativeInput, TermNativeInput}
#endif
#ifdef _DUMMY_IAL
    {"Dummy", InitDummyInput, TermDummyInput},
#endif
#ifdef _PCSIM_IAL
    {"pcsim", InitpcsimInput, TermpcsimInput},
#endif
};

INPUT* cur_input;

#define NR_INPUTS  (sizeof (inputs) / sizeof (INPUT))

int InitIAL (void)
{
    int  i;
    char buff [LEN_ENGINE_NAME + 1];
    char mdev [MAX_PATH + 1];
    char mtype[LEN_TYPE_NAME + 1];

    if (GetValueFromEtcFile (ETCFILEPATH, "system", "ial_engine",
                                   buff, LEN_ENGINE_NAME) < 0 )
        return ERR_CONFIG_FILE;

    if (GetValueFromEtcFile (ETCFILEPATH, "system", "mdev",
                                   mdev, MAX_PATH) < 0 )
        return ERR_CONFIG_FILE;

    if (GetValueFromEtcFile (ETCFILEPATH, "system", "mtype",
                                   mtype, LEN_TYPE_NAME) < 0 )
        return ERR_CONFIG_FILE;

    for (i = 0; i < NR_INPUTS; i++) {
        if ( strncasecmp (buff, inputs[i].id, LEN_ENGINE_NAME) == 0) {
            cur_input = inputs + i;
            break;
        }
    }
    
    if (cur_input == NULL) {
        fprintf (stderr, "IAL: Does not find matched engine.\n");
        return ERR_NO_MATCH;
    }

    if (!IAL_InitInput (cur_input, mdev, mtype)) {
        fprintf (stderr, "IAL: Init IAL engine failure.\n");
        return ERR_INPUT_ENGINE;
    }

    fprintf (stderr, "IAL: Use %s engine.\n", cur_input->id);

    return 0;
}

void TerminateIAL (void)
{
    IAL_TermInput ();
}