1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
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
29 static void
teken_subr_cons25_set_border(const teken_t * t,unsigned int c)30 teken_subr_cons25_set_border(const teken_t *t, unsigned int c)
31 {
32
33 teken_funcs_param(t, TP_SETBORDER, c);
34 }
35
36 static void
teken_subr_cons25_set_global_cursor_shape(const teken_t * t,unsigned int ncmds,const unsigned int cmds[])37 teken_subr_cons25_set_global_cursor_shape(const teken_t *t, unsigned int ncmds,
38 const unsigned int cmds[])
39 {
40 unsigned int code, i;
41
42 /*
43 * Pack the args to work around API deficiencies. This requires
44 * knowing too much about the low level to be fully compatible.
45 * Returning when ncmds > 3 is necessary and happens to be
46 * compatible. Discarding high bits is necessary and happens to
47 * be incompatible only for invalid args when ncmds == 3.
48 */
49 if (ncmds > 3)
50 return;
51 code = 0;
52 for (i = ncmds; i > 0; i--)
53 code = (code << 8) | (cmds[i - 1] & 0xff);
54 code = (code << 8) | ncmds;
55 teken_funcs_param(t, TP_SETGLOBALCURSOR, code);
56 }
57
58 static void
teken_subr_cons25_set_local_cursor_type(const teken_t * t,unsigned int type)59 teken_subr_cons25_set_local_cursor_type(const teken_t *t, unsigned int type)
60 {
61
62 teken_funcs_param(t, TP_SETLOCALCURSOR, type);
63 }
64
65 static const teken_color_t cons25_colors[8] = { TC_BLACK, TC_BLUE,
66 TC_GREEN, TC_CYAN, TC_RED, TC_MAGENTA, TC_YELLOW, TC_WHITE };
67
68 static void
teken_subr_cons25_set_default_background(teken_t * t,unsigned int c)69 teken_subr_cons25_set_default_background(teken_t *t, unsigned int c)
70 {
71
72 t->t_defattr.ta_bgcolor = cons25_colors[c % 8] | (c & 8);
73 t->t_curattr.ta_bgcolor = cons25_colors[c % 8] | (c & 8);
74 }
75
76 static void
teken_subr_cons25_set_default_foreground(teken_t * t,unsigned int c)77 teken_subr_cons25_set_default_foreground(teken_t *t, unsigned int c)
78 {
79
80 t->t_defattr.ta_fgcolor = cons25_colors[c % 8] | (c & 8);
81 t->t_curattr.ta_fgcolor = cons25_colors[c % 8] | (c & 8);
82 }
83
84 static const teken_color_t cons25_revcolors[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
85
86 void
teken_get_defattr_cons25(const teken_t * t,int * fg,int * bg)87 teken_get_defattr_cons25(const teken_t *t, int *fg, int *bg)
88 {
89
90 *fg = cons25_revcolors[teken_256to8(t->t_defattr.ta_fgcolor)];
91 if (t->t_defattr.ta_format & TF_BOLD)
92 *fg += 8;
93 *bg = cons25_revcolors[teken_256to8(t->t_defattr.ta_bgcolor)];
94 }
95
96 static void
teken_subr_cons25_switch_virtual_terminal(const teken_t * t,unsigned int vt)97 teken_subr_cons25_switch_virtual_terminal(const teken_t *t, unsigned int vt)
98 {
99
100 teken_funcs_param(t, TP_SWITCHVT, vt);
101 }
102
103 static void
teken_subr_cons25_set_bell_pitch_duration(const teken_t * t,unsigned int pitch,unsigned int duration)104 teken_subr_cons25_set_bell_pitch_duration(const teken_t *t, unsigned int pitch,
105 unsigned int duration)
106 {
107
108 teken_funcs_param(t, TP_SETBELLPD, (pitch << 16) |
109 (duration & 0xffff));
110 }
111
112 static void
teken_subr_cons25_set_graphic_rendition(teken_t * t,unsigned int cmd,unsigned int param)113 teken_subr_cons25_set_graphic_rendition(teken_t *t, unsigned int cmd,
114 unsigned int param)
115 {
116
117 (void)param;
118 switch (cmd) {
119 case 0: /* Reset. */
120 t->t_curattr = t->t_defattr;
121 break;
122 default:
123 teken_printf("unsupported attribute %u\n", cmd);
124 }
125 }
126
127 static void
teken_subr_cons25_set_terminal_mode(teken_t * t,unsigned int mode)128 teken_subr_cons25_set_terminal_mode(teken_t *t, unsigned int mode)
129 {
130
131 switch (mode) {
132 case 0: /* Switch terminal to xterm. */
133 t->t_stateflags &= ~TS_CONS25;
134 break;
135 case 1: /* Switch terminal to cons25. */
136 t->t_stateflags |= TS_CONS25;
137 break;
138 default:
139 break;
140 }
141 }
142
143 #if 0
144 static void
145 teken_subr_vt52_decid(teken_t *t)
146 {
147 const char response[] = "\x1B/Z";
148
149 teken_funcs_respond(t, response, sizeof response - 1);
150 }
151 #endif
152