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/*
* Copyright (C) 2014 Mark Hills <mark@xwax.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2, as published by the Free Software Foundation.
*
* 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 version 2 for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
#ifndef CONTROLLER_H
#define CONTROLLER_H
#include <stdbool.h>
#include <stdlib.h>
#include <sys/poll.h>
#include <sys/types.h>
struct deck;
struct rt;
/*
* Base state of a 'controller', which is a MIDI controller or HID
* device used to control the program
*/
struct controller {
bool fault;
void *local;
struct controller_ops *ops;
};
/*
* Functions which must be implemented for a controller
*/
struct controller_ops {
int (*add_deck)(struct controller *c, struct deck *deck);
ssize_t (*pollfds)(struct controller *c, struct pollfd *pe, size_t z);
int (*realtime)(struct controller *c);
void (*clear)(struct controller *c);
};
int controller_init(struct controller *c, struct controller_ops *t,
void *local, struct rt *rt);
void controller_clear(struct controller *c);
void controller_add_deck(struct controller *c, struct deck *d);
ssize_t controller_pollfds(struct controller *c, struct pollfd *pe, size_t z);
void controller_handle(struct controller *c);
#endif
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