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Include the \033 in the key tree and adjust key matching for this change.
This commit is contained in:
Nicholas Marriott
parent
4f01bfc4bc
commit
10db7ec51b
2
tmux.h
2
tmux.h
@ -1202,7 +1202,7 @@ struct tty {
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#define TTY_NOCURSOR 0x1
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#define TTY_FREEZE 0x2
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#define TTY_ESCAPE 0x4
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#define TTY_TIMER 0x4
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#define TTY_UTF8 0x8
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#define TTY_STARTED 0x10
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#define TTY_OPENED 0x20
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149
tty-keys.c
149
tty-keys.c
@ -353,17 +353,19 @@ tty_keys_build(struct tty *tty)
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tdkr = &tty_default_raw_keys[i];
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s = tdkr->string;
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if (s[0] == '\033' && s[1] != '\0')
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tty_keys_add(tty, s + 1, tdkr->key);
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if (*s != '\0')
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tty_keys_add(tty, s, tdkr->key);
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}
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for (i = 0; i < nitems(tty_default_code_keys); i++) {
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tdkc = &tty_default_code_keys[i];
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s = tty_term_string(tty->term, tdkc->code);
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if (s[0] == '\033' || s[1] == '\0')
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tty_keys_add(tty, s + 1, tdkc->key);
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if (*s == '\0')
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tty_keys_add(tty, s, tdkc->key);
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}
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tty_keys_add(tty, "abc", 'x');
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}
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/* Free the entire key tree. */
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@ -439,34 +441,18 @@ tty_keys_next(struct tty *tty)
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cc_t bspace;
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int key, delay;
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/* Get key buffer. */
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buf = EVBUFFER_DATA(tty->event->input);
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len = EVBUFFER_LENGTH(tty->event->input);
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if (len == 0)
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return (0);
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log_debug("keys are %zu (%.*s)", len, (int) len, buf);
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/* If a normal key, return it. */
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if (*buf != '\033') {
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key = (u_char) *buf;
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evbuffer_drain(tty->event->input, 1);
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/*
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* Check for backspace key using termios VERASE - the terminfo
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* kbs entry is extremely unreliable, so cannot be safely
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* used. termios should have a better idea.
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*/
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bspace = tty->tio.c_cc[VERASE];
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if (bspace != _POSIX_VDISABLE && key == bspace)
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key = KEYC_BSPACE;
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goto handle_key;
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}
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/* Is this device attributes response? */
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switch (tty_keys_device(tty, buf, len, &size)) {
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case 0: /* yes */
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evbuffer_drain(tty->event->input, size);
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key = KEYC_NONE;
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goto handle_key;
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goto complete_key;
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case -1: /* no, or not valid */
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break;
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case 1: /* partial */
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@ -476,9 +462,8 @@ tty_keys_next(struct tty *tty)
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/* Is this a mouse key press? */
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switch (tty_keys_mouse(tty, buf, len, &size)) {
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case 0: /* yes */
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evbuffer_drain(tty->event->input, size);
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key = KEYC_MOUSE;
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goto handle_key;
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goto complete_key;
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case -1: /* no, or not valid */
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break;
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case 1: /* partial */
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@ -488,8 +473,8 @@ tty_keys_next(struct tty *tty)
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/* Try to parse a key with an xterm-style modifier. */
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switch (xterm_keys_find(buf, len, &size, &key)) {
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case 0: /* found */
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evbuffer_drain(tty->event->input, size);
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goto handle_key;
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key = KEYC_NONE;
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goto complete_key;
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case -1: /* not found */
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break;
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case 1:
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@ -497,93 +482,90 @@ tty_keys_next(struct tty *tty)
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}
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/* Look for matching key string and return if found. */
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tk = tty_keys_find(tty, buf + 1, len - 1, &size);
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tk = tty_keys_find(tty, buf, len, &size);
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if (tk != NULL) {
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if (tk->next != NULL)
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goto partial_key;
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key = tk->key;
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goto found_key;
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goto complete_key;
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}
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/* Skip the escape. */
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buf++;
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len--;
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/* Is this a meta key? */
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if (len >= 2 && buf[0] == '\033') {
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if (buf[1] != '\033') {
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key = buf[1] | KEYC_ESCAPE;
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size = 2;
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goto complete_key;
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}
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/* Is there a normal key following? */
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if (len != 0 && *buf != '\033') {
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key = *buf | KEYC_ESCAPE;
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evbuffer_drain(tty->event->input, 2);
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goto handle_key;
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}
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/* Or a key string? */
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if (len > 1) {
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tk = tty_keys_find(tty, buf + 1, len - 1, &size);
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if (tk != NULL) {
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key = tk->key | KEYC_ESCAPE;
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size++; /* include escape */
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goto found_key;
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if (tk->next != NULL)
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goto partial_key;
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key = tk->key;
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if (key != KEYC_NONE)
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key |= KEYC_ESCAPE;
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goto complete_key;
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}
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}
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/* Escape and then nothing useful - fall through. */
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first_key:
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/* No key found, take first. */
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key = (u_char) *buf;
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size = 1;
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/*
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* Check for backspace key using termios VERASE - the terminfo
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* kbs entry is extremely unreliable, so cannot be safely
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* used. termios should have a better idea.
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*/
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bspace = tty->tio.c_cc[VERASE];
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if (bspace != _POSIX_VDISABLE && key == bspace)
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key = KEYC_BSPACE;
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goto complete_key;
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partial_key:
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/*
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* Escape but no key string. If have already seen an escape and the
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* timer has expired, give up waiting and send the escape.
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*/
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if ((tty->flags & TTY_ESCAPE) &&
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evtimer_initialized(&tty->key_timer) &&
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!evtimer_pending(&tty->key_timer, NULL)) {
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evbuffer_drain(tty->event->input, 1);
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key = '\033';
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goto handle_key;
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log_debug("partial key %.*s", (int) len, buf);
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/* If timer is going, check for expiration. */
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if (tty->flags & TTY_TIMER) {
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if (evtimer_initialized(&tty->key_timer) &&
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!evtimer_pending(&tty->key_timer, NULL))
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goto first_key;
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return (0);
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}
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/* Fall through to start the timer. */
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start_timer:
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/* If already waiting for timer, do nothing. */
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if (evtimer_initialized(&tty->key_timer) &&
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evtimer_pending(&tty->key_timer, NULL))
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return (0);
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/* Start the timer and wait for expiry or more data. */
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/* Get the time period. */
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delay = options_get_number(&global_options, "escape-time");
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tv.tv_sec = delay / 1000;
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tv.tv_usec = (delay % 1000) * 1000L;
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/* Start the timer. */
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if (event_initialized(&tty->key_timer))
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evtimer_del(&tty->key_timer);
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evtimer_set(&tty->key_timer, tty_keys_callback, tty);
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evtimer_add(&tty->key_timer, &tv);
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tty->flags |= TTY_ESCAPE;
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tty->flags |= TTY_TIMER;
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return (0);
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found_key:
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if (tk->next != NULL) {
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/* Partial key. Start the timer if not already expired. */
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if (!(tty->flags & TTY_ESCAPE))
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goto start_timer;
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complete_key:
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log_debug("complete key %.*s %#x", (int) size, buf, key);
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/* Otherwise, if no key, send the escape alone. */
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if (tk->key == KEYC_NONE)
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goto partial_key;
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/* Remove data from buffer. */
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evbuffer_drain(tty->event->input, size);
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/* Or fall through to send the partial key found. */
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}
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evbuffer_drain(tty->event->input, size + 1);
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goto handle_key;
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handle_key:
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/* Remove key timer. */
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if (event_initialized(&tty->key_timer))
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evtimer_del(&tty->key_timer);
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tty->flags &= ~TTY_TIMER;
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/* Fire the key. */
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if (key != KEYC_NONE)
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server_client_handle_key(tty->client, key);
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tty->flags &= ~TTY_ESCAPE;
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return (1);
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}
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@ -594,11 +576,10 @@ tty_keys_callback(unused int fd, unused short events, void *data)
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{
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struct tty *tty = data;
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if (!(tty->flags & TTY_ESCAPE))
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return;
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while (tty_keys_next(tty))
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;
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if (tty->flags & TTY_TIMER) {
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while (tty_keys_next(tty))
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;
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}
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}
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/*
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2
tty.c
2
tty.c
@ -149,7 +149,7 @@ tty_open(struct tty *tty, const char *overrides, char **cause)
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}
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tty->flags |= TTY_OPENED;
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tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
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tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
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tty->event = bufferevent_new(
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tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
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