1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/teken/teken_subr_compat.h 332297 2018-04-08 19:23:50Z phk $
29 */
30
31 static void
teken_subr_cons25_set_border(const teken_t * t,unsigned int c)32 teken_subr_cons25_set_border(const teken_t *t, unsigned int c)
33 {
34
35 teken_funcs_param(t, TP_SETBORDER, c);
36 }
37
38 static void
teken_subr_cons25_set_global_cursor_shape(const teken_t * t,unsigned int ncmds,const unsigned int cmds[])39 teken_subr_cons25_set_global_cursor_shape(const teken_t *t, unsigned int ncmds,
40 const unsigned int cmds[])
41 {
42 unsigned int code, i;
43
44 /*
45 * Pack the args to work around API deficiencies. This requires
46 * knowing too much about the low level to be fully compatible.
47 * Returning when ncmds > 3 is necessary and happens to be
48 * compatible. Discarding high bits is necessary and happens to
49 * be incompatible only for invalid args when ncmds == 3.
50 */
51 if (ncmds > 3)
52 return;
53 code = 0;
54 for (i = ncmds; i > 0; i--)
55 code = (code << 8) | (cmds[i - 1] & 0xff);
56 code = (code << 8) | ncmds;
57 teken_funcs_param(t, TP_SETGLOBALCURSOR, code);
58 }
59
60 static void
teken_subr_cons25_set_local_cursor_type(const teken_t * t,unsigned int type)61 teken_subr_cons25_set_local_cursor_type(const teken_t *t, unsigned int type)
62 {
63
64 teken_funcs_param(t, TP_SETLOCALCURSOR, type);
65 }
66
67 static const teken_color_t cons25_colors[8] = { TC_BLACK, TC_BLUE,
68 TC_GREEN, TC_CYAN, TC_RED, TC_MAGENTA, TC_BROWN, TC_WHITE };
69
70 static void
teken_subr_cons25_set_default_background(teken_t * t,unsigned int c)71 teken_subr_cons25_set_default_background(teken_t *t, unsigned int c)
72 {
73
74 t->t_defattr.ta_bgcolor = cons25_colors[c % 8] | (c & 8);
75 t->t_curattr.ta_bgcolor = cons25_colors[c % 8] | (c & 8);
76 }
77
78 static void
teken_subr_cons25_set_default_foreground(teken_t * t,unsigned int c)79 teken_subr_cons25_set_default_foreground(teken_t *t, unsigned int c)
80 {
81
82 t->t_defattr.ta_fgcolor = cons25_colors[c % 8] | (c & 8);
83 t->t_curattr.ta_fgcolor = cons25_colors[c % 8] | (c & 8);
84 }
85
86 static const teken_color_t cons25_revcolors[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
87
88 void
teken_get_defattr_cons25(const teken_t * t,int * fg,int * bg)89 teken_get_defattr_cons25(const teken_t *t, int *fg, int *bg)
90 {
91
92 *fg = cons25_revcolors[teken_256to8(t->t_defattr.ta_fgcolor)];
93 if (t->t_defattr.ta_format & TF_BOLD)
94 *fg += 8;
95 *bg = cons25_revcolors[teken_256to8(t->t_defattr.ta_bgcolor)];
96 }
97
98 static void
teken_subr_cons25_switch_virtual_terminal(const teken_t * t,unsigned int vt)99 teken_subr_cons25_switch_virtual_terminal(const teken_t *t, unsigned int vt)
100 {
101
102 teken_funcs_param(t, TP_SWITCHVT, vt);
103 }
104
105 static void
teken_subr_cons25_set_bell_pitch_duration(const teken_t * t,unsigned int pitch,unsigned int duration)106 teken_subr_cons25_set_bell_pitch_duration(const teken_t *t, unsigned int pitch,
107 unsigned int duration)
108 {
109
110 teken_funcs_param(t, TP_SETBELLPD, (pitch << 16) |
111 (duration & 0xffff));
112 }
113
114 static void
teken_subr_cons25_set_graphic_rendition(teken_t * t,unsigned int cmd,unsigned int param)115 teken_subr_cons25_set_graphic_rendition(teken_t *t, unsigned int cmd,
116 unsigned int param)
117 {
118
119 (void)param;
120 switch (cmd) {
121 case 0: /* Reset. */
122 t->t_curattr = t->t_defattr;
123 break;
124 default:
125 teken_printf("unsupported attribute %u\n", cmd);
126 }
127 }
128
129 static void
teken_subr_cons25_set_terminal_mode(teken_t * t,unsigned int mode)130 teken_subr_cons25_set_terminal_mode(teken_t *t, unsigned int mode)
131 {
132
133 switch (mode) {
134 case 0: /* Switch terminal to xterm. */
135 t->t_stateflags &= ~TS_CONS25;
136 break;
137 case 1: /* Switch terminal to cons25. */
138 t->t_stateflags |= TS_CONS25;
139 break;
140 default:
141 break;
142 }
143 }
144
145 #if 0
146 static void
147 teken_subr_vt52_decid(teken_t *t)
148 {
149 const char response[] = "\x1B/Z";
150
151 teken_funcs_respond(t, response, sizeof response - 1);
152 }
153 #endif
154