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Fix keys parsing again to correctly accept Unicode when not prefixed

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with Escape.
This commit is contained in:
nicm
2016-04-29 10:42:16 +00:00
parent 7abdfbe20e
commit 97417a1813
1 changed files with 25 additions and 35 deletions
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60
tty-keys.c
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@@ -554,13 +554,6 @@ tty_keys_next(struct tty *tty)
first_key:
/* Handle keys starting with escape. */
if (*buf == '\033') {
/* A single escape goes as-is if the timer has expired. */
if (expired && len == 1) {
key = '\033';
size = 1;
goto complete_key;
}
/* Look for a key without the escape. */
n = tty_keys_next1(tty, buf + 1, len - 1, &key, &size, expired);
if (n == 0) { /* found */
@@ -570,36 +563,33 @@ first_key:
}
if (n == 1) /* partial */
goto partial_key;
/* Try with the escape. */
n = tty_keys_next1(tty, buf, len, &key, &size, expired);
if (n == 0) /* found */
goto complete_key;
if (n == 1)
goto partial_key;
/* Is this an an xterm(1) key? */
n = xterm_keys_find(buf, len, &size, &key);
if (n == 0) /* found */
goto complete_key;
if (n == 1 && !expired)
goto partial_key;
/*
* If this is at least two keys, then it must be complete -
* whether or not the timer has expired - otherwise
* tty_keys_next1 would have returned a partial.
*/
if (len >= 2) {
key = (u_char)buf[1] | KEYC_ESCAPE;
size = 2;
goto complete_key;
}
}
/* No longer key found, use the first character. */
key = (u_char)*buf;
size = 1;
/* Try to lookup key. */
n = tty_keys_next1(tty, buf, len, &key, &size, expired);
if (n == 0) /* found */
goto complete_key;
if (n == 1)
goto partial_key;
/* Is this an an xterm(1) key? */
n = xterm_keys_find(buf, len, &size, &key);
if (n == 0)
goto complete_key;
if (n == 1 && !expired)
goto partial_key;
/*
* At this point, we know the key is not partial (with or without
* escape). So pass it through even if the timer has not expired.
*/
if (*buf == '\033' && len >= 2) {
key = (u_char)buf[1] | KEYC_ESCAPE;
size = 2;
} else {
key = (u_char)buf[0];
size = 1;
}
goto complete_key;
partial_key: