/* $NetBSD: wsemulvar.h,v 1.16 2017/05/19 19:22:33 macallan Exp $ */

/* $NetBSD: wsemulvar.h,v 1.16 2017/05/19 19:22:33 macallan Exp $ */

/*
* Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

struct wsdisplay_emulops;

enum wsemul_resetops {
WSEMUL_RESET,
WSEMUL_SYNCFONT,
WSEMUL_CLEARSCREEN
};

struct wsemul_ops {
const char *name;

void *(*cnattach)(const struct wsscreen_descr *, void *,
int, int, long);
void *(*attach)(int console, const struct wsscreen_descr *, void *,
int, int, void *, long);
void (*output)(void *, const u_char *, u_int, int);
int (*translate)(void *, keysym_t, const char **);
void (*detach)(void *, u_int *, u_int *);
void (*reset)(void *, enum wsemul_resetops);
void (*getmsgattrs)(void *, struct wsdisplay_msgattrs *);
void (*setmsgattrs)(void *, const struct wsscreen_descr *,
const struct wsdisplay_msgattrs *);
void (*resize)(void *, const struct wsscreen_descr *);
};

#if defined(_KERNEL_OPT)
#include "opt_wsemul.h"
#endif

#ifndef WSEMUL_NO_DUMB
extern const struct wsemul_ops wsemul_dumb_ops;
#endif
#ifdef WSEMUL_SUN
extern const struct wsemul_ops wsemul_sun_ops;
#endif
#ifdef WSEMUL_VT100
extern const struct wsemul_ops wsemul_vt100_ops;
#endif

const struct wsemul_ops *wsemul_pick(const char *);
void wsemul_drop(const struct wsemul_ops *);
int wsemul_add(const struct wsemul_ops *);
int wsemul_remove(const struct wsemul_ops *);

/*
* Callbacks from the emulation code to the display interface driver.
*/
void wsdisplay_emulbell(void *);
void wsdisplay_emulinput(void *, const u_char *, u_int);