dummy.c

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//
// $Id: dummy.c,v 1.3 2001/09/19 03:14:06 ymwei Exp $
//
// dummy.c: The dummy IAL engine.
// 
// Copyright (C) 2001, Wei Yongming 
//
// Created by Wei Yongming, 2001/09/13
//

/*
**  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
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifndef __ECOS
# include <sys/time.h>
# include <sys/types.h>
# include <sys/poll.h>
#endif

#include "common.h"

#ifdef _DUMMY_IAL
#include "misc.h"
#include "ial.h"
#include "dummy.h"

static int mouse_fd = -1;
static int mouse_x, mouse_y, mouse_button;

typedef struct tagPOS
{
	short x;
	short y;
	short b;
} POS;

/************************  Low Level Input Operations **********************/
/*
 * Mouse operations -- Event
 */
static int mouse_update(void)
{
	return 1;
}

static int mouse_getx(void)
{
	return mouse_x;
}

static int mouse_gety(void)
{
	return mouse_y;
}

static int mouse_getbutton(void)
{
	return mouse_button;
}

static int keyboard_update(void)
{
	return 0;
}

static char * keyboard_get_state (void)
{
	return NULL;
}

static int wait_event (int which, fd_set *in, fd_set *out, fd_set *except,
                struct timeval *timeout)
{
	return 0;
}

BOOL InitDummyInput (INPUT* input, const char* mdev, const char* mtype)
{
#if 0
    /* open input device(s) here */
	mouse_fd = open ("/dev/mouse", O_RDONLY);
    if (mouse_fd < 0) {
        fprintf (stderr, "IAL: Can not open mouse-like device!\n");
        return FALSE;
    }
#endif

    input->update_mouse = mouse_update;
    input->get_mouse_x = mouse_getx;
    input->get_mouse_y = mouse_gety;
    input->set_mouse_xy = NULL;
    input->get_mouse_button = mouse_getbutton;
    input->set_mouse_range = NULL;

    input->update_keyboard = keyboard_update;
    input->get_keyboard_state = keyboard_get_state;
    input->set_leds = NULL;

    input->wait_event = wait_event;
	mouse_x = 0;
	mouse_y = 0;
	mouse_button= 0;
    return TRUE;
}

void TermDummyInput (void)
{
	if (mouse_fd >= 0)
		close (mouse_fd);
}

#endif /* _DUMMY_IAL */