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 * $FreeBSD$ 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_YELLOW, 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