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 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 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 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 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 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 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 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 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 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 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