/*-

 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD

 *

 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>

 * 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.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.

 *

 * $FreeBSD: head/sys/teken/teken_subr_compat.h 332297 2018-04-08 19:23:50Z phk $

 */

static void

teken_subr_cons25_set_border(const teken_t *t, unsigned int c)

{

  teken_funcs_param(t, TP_SETBORDER, c);

}

static void

teken_subr_cons25_set_global_cursor_shape(const teken_t *t, unsigned int ncmds,

    const unsigned int cmds[])

{

  unsigned int code, i;

  /*

   * Pack the args to work around API deficiencies.  This requires

   * knowing too much about the low level to be fully compatible.

   * Returning when ncmds > 3 is necessary and happens to be

   * compatible.  Discarding high bits is necessary and happens to

   * be incompatible only for invalid args when ncmds == 3.

   */

  if (ncmds > 3)

    return;

  code = 0;

  for (i = ncmds; i > 0; i--)

    code = (code << 8) | (cmds[i - 1] & 0xff);

  code = (code << 8) | ncmds;

  teken_funcs_param(t, TP_SETGLOBALCURSOR, code);

}

static void

teken_subr_cons25_set_local_cursor_type(const teken_t *t, unsigned int type)

{

  teken_funcs_param(t, TP_SETLOCALCURSOR, type);

}

static const teken_color_t cons25_colors[8] = { TC_BLACK, TC_BLUE,

    TC_GREEN, TC_CYAN, TC_RED, TC_MAGENTA, TC_BROWN, TC_WHITE };

static void

teken_subr_cons25_set_default_background(teken_t *t, unsigned int c)

{

  t->t_defattr.ta_bgcolor = cons25_colors[c % 8] | (c & 8);

  t->t_curattr.ta_bgcolor = cons25_colors[c % 8] | (c & 8);

}

static void

teken_subr_cons25_set_default_foreground(teken_t *t, unsigned int c)

{

  t->t_defattr.ta_fgcolor = cons25_colors[c % 8] | (c & 8);

  t->t_curattr.ta_fgcolor = cons25_colors[c % 8] | (c & 8);

}

static const teken_color_t cons25_revcolors[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };

void

teken_get_defattr_cons25(const teken_t *t, int *fg, int *bg)

{

  *fg = cons25_revcolors[teken_256to8(t->t_defattr.ta_fgcolor)];

  if (t->t_defattr.ta_format & TF_BOLD)

    *fg += 8;

  *bg = cons25_revcolors[teken_256to8(t->t_defattr.ta_bgcolor)];

}

static void

teken_subr_cons25_switch_virtual_terminal(const teken_t *t, unsigned int vt)

{

  teken_funcs_param(t, TP_SWITCHVT, vt);

}

static void

teken_subr_cons25_set_bell_pitch_duration(const teken_t *t, unsigned int pitch,

    unsigned int duration)

{

  teken_funcs_param(t, TP_SETBELLPD, (pitch << 16) |

      (duration & 0xffff));

}

static void

teken_subr_cons25_set_graphic_rendition(teken_t *t, unsigned int cmd,

    unsigned int param)

{

  (void)param;

  switch (cmd) {

  case 0: /* Reset. */

    t->t_curattr = t->t_defattr;

    break;

  default:

    teken_printf("unsupported attribute %u\n", cmd);

  }

}

static void

teken_subr_cons25_set_terminal_mode(teken_t *t, unsigned int mode)

{

  switch (mode) {

  case 0: /* Switch terminal to xterm. */

    t->t_stateflags &= ~TS_CONS25;

    break;

  case 1: /* Switch terminal to cons25. */

    t->t_stateflags |= TS_CONS25;

    break;

  default:

    break;

  }

}

#if 0

static void

teken_subr_vt52_decid(teken_t *t)

{

  const char response[] = "\x1B/Z";

  teken_funcs_respond(t, response, sizeof response - 1);

}

#endif