1 /*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/syscons/scterm.c,v 1.2 2000/01/29 15:08:46 peter Exp $ 27 * $DragonFly: src/sys/dev/misc/syscons/scterm.c,v 1.3 2003/08/07 21:16:59 dillon Exp $ 28 */ 29 30 #include "opt_syscons.h" 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/consio.h> 36 37 #include "syscons.h" 38 #include "sctermvar.h" 39 40 /* exported subroutines */ 41 42 void 43 sc_move_cursor(scr_stat *scp, int x, int y) 44 { 45 if (x < 0) 46 x = 0; 47 if (y < 0) 48 y = 0; 49 if (x >= scp->xsize) 50 x = scp->xsize - 1; 51 if (y >= scp->ysize) 52 y = scp->ysize - 1; 53 scp->xpos = x; 54 scp->ypos = y; 55 scp->cursor_pos = scp->ypos*scp->xsize + scp->xpos; 56 } 57 58 void 59 sc_clear_screen(scr_stat *scp) 60 { 61 (*scp->tsw->te_clear)(scp); 62 scp->cursor_oldpos = scp->cursor_pos; 63 sc_remove_cutmarking(scp); 64 } 65 66 /* terminal emulator manager routines */ 67 68 static LIST_HEAD(, sc_term_sw) sc_term_list = 69 LIST_HEAD_INITIALIZER(sc_term_list); 70 71 int 72 sc_term_add(sc_term_sw_t *sw) 73 { 74 LIST_INSERT_HEAD(&sc_term_list, sw, link); 75 return 0; 76 } 77 78 int 79 sc_term_remove(sc_term_sw_t *sw) 80 { 81 LIST_REMOVE(sw, link); 82 return 0; 83 } 84 85 sc_term_sw_t 86 *sc_term_match(char *name) 87 { 88 sc_term_sw_t **list; 89 sc_term_sw_t *p; 90 91 if (!LIST_EMPTY(&sc_term_list)) { 92 LIST_FOREACH(p, &sc_term_list, link) { 93 if ((strcmp(name, p->te_name) == 0) 94 || (strcmp(name, "*") == 0)) { 95 return p; 96 } 97 } 98 } else { 99 list = (sc_term_sw_t **)scterm_set.ls_items; 100 while ((p = *list++) != NULL) { 101 if ((strcmp(name, p->te_name) == 0) 102 || (strcmp(name, "*") == 0)) { 103 return p; 104 } 105 } 106 } 107 108 return NULL; 109 } 110 111 sc_term_sw_t 112 *sc_term_match_by_number(int index) 113 { 114 sc_term_sw_t *p; 115 116 if (index <= 0) 117 return NULL; 118 LIST_FOREACH(p, &sc_term_list, link) { 119 if (--index <= 0) 120 return p; 121 } 122 123 return NULL; 124 } 125