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Restore termcap checks.

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This commit is contained in:
Nicholas Marriott
2007-12-06 11:05:04 +00:00
parent 85c087ad4e
commit 0f2666ac77
2 changed files with 91 additions and 6 deletions
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4
CHANGES
View File

@@ -1,5 +1,7 @@
06 December 2007
* Restore checks for required termcap entries and add a few more obvious
emulations.
* Another major reorganisation, this time of screen handling. A new set of
functions, screen_write_*, are now used to write to a screen and a tty
simultaneously. These are used by the input parser to update the base
@@ -297,4 +299,4 @@
(including mutt, emacs). No status bar yet and no key remapping or other
customisation.
$Id: CHANGES,v 1.90 2007-12-06 09:46:21 nicm Exp $
$Id: CHANGES,v 1.91 2007-12-06 11:05:04 nicm Exp $

93
tty.c
View File

@@ -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);