xref: /freebsd/sys/teken/teken_subr_compat.h (revision 4f52dfbb8d6c4d446500c5b097e3806ec219fbd4)
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  * $FreeBSD$
29  */
30 
31 static void
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
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
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
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
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
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
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
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
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
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