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Sync OpenBSD patchset 495:

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Switch tty fds over to a bufferevent.
This commit is contained in:
Tiago Cunha
2009-11-08 22:58:38 +00:00
parent 7851bb81f5
commit 971a7b2fe0
5 changed files with 43 additions and 50 deletions
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25
tty-keys.c
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@ -1,4 +1,4 @@
/* $Id: tty-keys.c,v 1.38 2009-10-28 23:05:01 tcunha Exp $ */
/* $Id: tty-keys.c,v 1.39 2009-11-08 22:58:38 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -299,18 +299,20 @@ tty_keys_next(struct tty *tty, int *key, struct mouse_event *mouse)
struct tty_key *tk;
struct timeval tv;
char *buf;
u_char ch;
size_t len, size;
cc_t bspace;
buf = BUFFER_OUT(tty->in);
len = BUFFER_USED(tty->in);
buf = EVBUFFER_DATA(tty->event->input);
len = EVBUFFER_LENGTH(tty->event->input);
if (len == 0)
return (1);
log_debug("keys are %zu (%.*s)", len, (int) len, buf);
/* If a normal key, return it. */
if (*buf != '\033') {
*key = buffer_read8(tty->in);
bufferevent_read(tty->event, &ch, 1);
*key = ch;
/*
* Check for backspace key using termios VERASE - the terminfo
@ -326,7 +328,7 @@ tty_keys_next(struct tty *tty, int *key, struct mouse_event *mouse)
/* Look for matching key string and return if found. */
tk = tty_keys_find(tty, buf + 1, len - 1, &size);
if (tk != NULL) {
buffer_remove(tty->in, size + 1);
evbuffer_drain(tty->event->input, size + 1);
*key = tk->key;
goto found;
}
@ -334,14 +336,14 @@ tty_keys_next(struct tty *tty, int *key, struct mouse_event *mouse)
/* Not found. Is this a mouse key press? */
*key = tty_keys_mouse(buf, len, &size, mouse);
if (*key != KEYC_NONE) {
buffer_remove(tty->in, size);
evbuffer_drain(tty->event->input, size);
goto found;
}
/* Not found. Try to parse a key with an xterm-style modifier. */
*key = xterm_keys_find(buf, len, &size);
if (*key != KEYC_NONE) {
buffer_remove(tty->in, size);
evbuffer_drain(tty->event->input, size);
goto found;
}
@ -363,8 +365,9 @@ tty_keys_next(struct tty *tty, int *key, struct mouse_event *mouse)
/* Is there a normal key following? */
if (len != 0 && *buf != '\033') {
buffer_remove(tty->in, 1);
*key = buffer_read8(tty->in) | KEYC_ESCAPE;
evbuffer_drain(tty->event->input, 1);
bufferevent_read(tty->event, &ch, 1);
*key = ch | KEYC_ESCAPE;
goto found;
}
@ -372,7 +375,7 @@ tty_keys_next(struct tty *tty, int *key, struct mouse_event *mouse)
if (len > 1) {
tk = tty_keys_find(tty, buf + 1, len - 1, &size);
if (tk != NULL) {
buffer_remove(tty->in, size + 2);
evbuffer_drain(tty->event->input, size + 2);
*key = tk->key | KEYC_ESCAPE;
goto found;
}
@ -385,7 +388,7 @@ tty_keys_next(struct tty *tty, int *key, struct mouse_event *mouse)
return (1);
/* Give up and return the escape. */
buffer_remove(tty->in, 1);
evbuffer_drain(tty->event->input, 1);
*key = '\033';
found: