diff options
Diffstat (limited to 'sys/dev/syscons/scterm.c')
-rw-r--r-- | sys/dev/syscons/scterm.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sys/dev/syscons/scterm.c b/sys/dev/syscons/scterm.c new file mode 100644 index 0000000..5b9c2f4 --- /dev/null +++ b/sys/dev/syscons/scterm.c @@ -0,0 +1,125 @@ +/*- + * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer as + * the first lines of this file unmodified. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "opt_syscons.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/consio.h> + +#include <dev/syscons/syscons.h> +#include <dev/syscons/sctermvar.h> + +SET_DECLARE(scterm_set, sc_term_sw_t); + +/* exported subroutines */ + +void +sc_move_cursor(scr_stat *scp, int x, int y) +{ + if (x < 0) + x = 0; + if (y < 0) + y = 0; + if (x >= scp->xsize) + x = scp->xsize - 1; + if (y >= scp->ysize) + y = scp->ysize - 1; + scp->xpos = x; + scp->ypos = y; + scp->cursor_pos = scp->ypos*scp->xsize + scp->xpos; +} + +void +sc_clear_screen(scr_stat *scp) +{ + (*scp->tsw->te_clear)(scp); + scp->cursor_oldpos = scp->cursor_pos; + sc_remove_cutmarking(scp); +} + +/* terminal emulator manager routines */ + +static LIST_HEAD(, sc_term_sw) sc_term_list = + LIST_HEAD_INITIALIZER(sc_term_list); + +int +sc_term_add(sc_term_sw_t *sw) +{ + LIST_INSERT_HEAD(&sc_term_list, sw, link); + return 0; +} + +int +sc_term_remove(sc_term_sw_t *sw) +{ + LIST_REMOVE(sw, link); + return 0; +} + +sc_term_sw_t +*sc_term_match(char *name) +{ + sc_term_sw_t **list; + sc_term_sw_t *p; + + if (!LIST_EMPTY(&sc_term_list)) { + LIST_FOREACH(p, &sc_term_list, link) { + if ((strcmp(name, p->te_name) == 0) + || (strcmp(name, "*") == 0)) { + return p; + } + } + } else { + SET_FOREACH(list, scterm_set) { + p = *list; + if ((strcmp(name, p->te_name) == 0) + || (strcmp(name, "*") == 0)) { + return p; + } + } + } + + return NULL; +} + +sc_term_sw_t +*sc_term_match_by_number(int index) +{ + sc_term_sw_t *p; + + if (index <= 0) + return NULL; + LIST_FOREACH(p, &sc_term_list, link) { + if (--index <= 0) + return p; + } + + return NULL; +} |