/*
 * event.h - Event handling.
 *
 * Written by
 *  Andreas Boose <viceteam@t-online.de>
 *
 * This file is part of VICE, the Versatile Commodore Emulator.
 * See README for copyright notice.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 *  02111-1307  USA.
 *
 */

#ifndef VICE_EVENT_H
#define VICE_EVENT_H

#include "types.h"

#define EVENT_LIST_END          0
#define EVENT_KEYBOARD_MATRIX   1
#define EVENT_KEYBOARD_RESTORE  2
#define EVENT_JOYSTICK_VALUE    3
#define EVENT_DATASETTE         4
#define EVENT_INITIAL           5
#define EVENT_ATTACHDISK        6
#define EVENT_ATTACHTAPE        7
#define EVENT_RESETCPU          8
#define EVENT_TIMESTAMP         9
#define EVENT_ATTACHIMAGE       10
#define EVENT_KEYBOARD_DELAY    12
#define EVENT_JOYSTICK_DELAY    13
#define EVENT_SYNC_TEST         14
#define EVENT_KEYBOARD_CLEAR    15
#define EVENT_RESOURCE          16

#define EVENT_START_MODE_FILE_SAVE 0
#define EVENT_START_MODE_FILE_LOAD 1
#define EVENT_START_MODE_RESET     2
#define EVENT_START_MODE_PLAYBACK  3

struct event_list_s {
    unsigned int type;
    CLOCK clk;
    unsigned int size;
    void *data;
    struct event_list_s *next;
};
typedef struct event_list_s event_list_t;

struct event_list_state_s {
    event_list_t *base;
    event_list_t *current;
};
typedef struct event_list_state_s event_list_state_t;

struct snapshot_s;

extern void event_init(void);
extern int event_resources_init(void);
extern void event_shutdown(void);
extern int event_cmdline_options_init(void);
extern void event_register_event_list(event_list_state_t *list);
extern void event_init_image_list(void);
extern void event_destroy_image_list(void);
extern void event_clear_list(event_list_state_t *list);
extern void event_playback_event_list(event_list_state_t *list);

extern int event_record_start(void);
extern int event_record_stop(void);
extern int event_playback_start(void);
extern int event_playback_stop(void);
extern int event_record_active(void);
extern int event_playback_active(void);
extern int event_record_set_milestone(void);
extern int event_record_reset_milestone(void);

extern void event_reset_ack(void);

extern void event_record_in_list(event_list_state_t *list, unsigned int type,
                                 void *data, unsigned int size);
extern void event_record(unsigned int type, void *data, unsigned int size);
extern void event_record_attach_in_list(event_list_state_t *list,
                                        unsigned int unit, unsigned int drive,
                                        const char *filename,
                                        unsigned int read_only);
extern void event_record_attach_image(unsigned int unit, unsigned int drive, 
                                      const char *filename, unsigned int read_only);

extern int event_snapshot_read_module(struct snapshot_s *s, int event_mode);
extern int event_snapshot_write_module(struct snapshot_s *s, int event_mode);

#endif
