diff options
author | Nicholas Marriott <nicholas.marriott@gmail.com> | 2007-12-06 11:05:04 +0000 |
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committer | Nicholas Marriott <nicholas.marriott@gmail.com> | 2007-12-06 11:05:04 +0000 |
commit | 0f2666ac773ec4bc81d534907b4c3d5fe5bbbeff (patch) | |
tree | 5cdbad951b8c447b6ffcfd67e2fc0d2feb1d9943 /tty.c | |
parent | 85c087ad4e3addc5702661b3834650410e189327 (diff) |
Restore termcap checks.
Diffstat (limited to 'tty.c')
-rw-r--r-- | tty.c | 93 |
1 files changed, 88 insertions, 5 deletions
@@ -1,4 +1,4 @@ -/* $Id: tty.c,v 1.9 2007-12-06 09:46:23 nicm Exp $ */ +/* $Id: tty.c,v 1.10 2007-12-06 11:05:04 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> @@ -80,6 +80,69 @@ tty_open(struct tty *tty, char **cause) } tty->termp = cur_term; + /* Check for required capabilities. */ + if (clear_screen == NULL) { + xasprintf(cause, "clear_screen missing"); + return (-1); + } + if (cursor_down == NULL) { + xasprintf(cause, "cursor_down missing"); + return (-1); + } + if (carriage_return == NULL) { + xasprintf(cause, "carriage_return missing"); + return (-1); + } + if (cursor_left == NULL) { + xasprintf(cause, "cursor_left missing"); + return (-1); + } + if (parm_up_cursor == NULL && cursor_up == NULL) { + xasprintf(cause, "parm_up_cursor missing"); + return (-1); + } + if (parm_down_cursor == NULL && cursor_down == NULL) { + xasprintf(cause, "parm_down_cursor missing"); + return (-1); + } + if (parm_right_cursor == NULL && cursor_right == NULL) { + xasprintf(cause, "parm_right_cursor missing"); + return (-1); + } + if (parm_left_cursor == NULL && cursor_left == NULL) { + xasprintf(cause, "parm_left_cursor missing"); + return (-1); + } + if (cursor_address == NULL) { + xasprintf(cause, "cursor_address missing"); + return (-1); + } + if (parm_insert_line == NULL && insert_line == NULL) { + xasprintf(cause, "parm_insert_line missing"); + return (-1); + } + if (parm_delete_line == NULL && delete_line == NULL) { + xasprintf(cause, "parm_delete_line missing"); + return (-1); + } + if (parm_ich == NULL && insert_character == NULL && + (enter_insert_mode == NULL || exit_insert_mode == NULL)) { + xasprintf(cause, "parm_ich missing"); + return (-1); + } + if (parm_dch == NULL && delete_character == NULL) { + xasprintf(cause, "parm_dch missing"); + return (-1); + } + if (scroll_reverse == NULL) { + xasprintf(cause, "scroll_reverse missing"); + return (-1); + } + if (change_scroll_region == NULL) { + xasprintf(cause, "change_scroll_region missing"); + return (-1); + } + tty->in = buffer_create(BUFSIZ); tty->out = buffer_create(BUFSIZ); @@ -238,19 +301,39 @@ tty_vwrite(struct tty *tty, unused struct screen *s, int cmd, va_list ap) break; case TTY_CURSORUP: ua = va_arg(ap, u_int); - tty_puts(tty, tparm(parm_up_cursor, ua)); + if (parm_up_cursor != NULL) + tty_puts(tty, tparm(parm_up_cursor, ua)); + else { + while (ua-- > 0) + tty_puts(tty, cursor_up); + } break; case TTY_CURSORDOWN: ua = va_arg(ap, u_int); - tty_puts(tty, tparm(parm_down_cursor, ua)); + if (parm_down_cursor != NULL) + tty_puts(tty, tparm(parm_down_cursor, ua)); + else { + while (ua-- > 0) + tty_puts(tty, cursor_down); + } break; case TTY_CURSORRIGHT: ua = va_arg(ap, u_int); - tty_puts(tty, tparm(parm_right_cursor, ua)); + if (parm_right_cursor != NULL) + tty_puts(tty, tparm(parm_right_cursor, ua)); + else { + while (ua-- > 0) + tty_puts(tty, cursor_right); + } break; case TTY_CURSORLEFT: ua = va_arg(ap, u_int); - tty_puts(tty, tparm(parm_left_cursor, ua)); + if (parm_left_cursor != NULL) + tty_puts(tty, tparm(parm_left_cursor, ua)); + else { + while (ua-- > 0) + tty_puts(tty, cursor_left); + } break; case TTY_CURSORMOVE: ua = va_arg(ap, u_int); |