diff options
Diffstat (limited to 'tty-keys.c')
| -rw-r--r-- | tty-keys.c | 94 |
1 files changed, 94 insertions, 0 deletions
@@ -44,6 +44,8 @@ static int tty_keys_next1(struct tty *, const char *, size_t, key_code *, size_t *, int); static void tty_keys_callback(int, short, void *); static int tty_keys_mouse(struct tty *, const char *, size_t, size_t *); +static int tty_keys_device_attributes(struct tty *, const char *, size_t, + size_t *); /* Default raw keys. */ struct tty_default_key_raw { @@ -537,6 +539,17 @@ tty_keys_next(struct tty *tty) return (0); log_debug("keys are %zu (%.*s)", len, (int)len, buf); + /* Is this a device attributes response? */ + switch (tty_keys_device_attributes(tty, buf, len, &size)) { + case 0: /* yes */ + key = KEYC_UNKNOWN; + goto complete_key; + case -1: /* no, or not valid */ + break; + case 1: /* partial */ + goto partial_key; + } + /* Is this a mouse key press? */ switch (tty_keys_mouse(tty, buf, len, &size)) { case 0: /* yes */ @@ -815,3 +828,84 @@ tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size) return (0); } + +/* + * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for + * partial. + */ +static int +tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len, + size_t *size) +{ + u_int i, a, b; + char tmp[64], *endptr; + const char *s; + + *size = 0; + + /* First three bytes are always \033[?. */ + if (buf[0] != '\033') + return (-1); + if (len == 1) + return (1); + if (buf[1] != '[') + return (-1); + if (len == 2) + return (1); + if (buf[2] != '?') + return (-1); + if (len == 3) + return (1); + + /* Copy the rest up to a 'c'. */ + for (i = 0; i < (sizeof tmp) - 1 && buf[3 + i] != 'c'; i++) { + if (3 + i == len) + return (1); + tmp[i] = buf[3 + i]; + } + if (i == (sizeof tmp) - 1) + return (-1); + tmp[i] = '\0'; + *size = 4 + i; + + /* Convert version numbers. */ + a = strtoul(tmp, &endptr, 10); + if (*endptr == ';') { + b = strtoul(endptr + 1, &endptr, 10); + if (*endptr != '\0' && *endptr != ';') + b = 0; + } else + a = b = 0; + + s = "UNKNOWN"; + switch (a) { + case 1: + if (b == 2) { + tty_set_type(tty, TTY_VT100); + s = "VT100"; + } else if (b == 0) { + tty_set_type(tty, TTY_VT101); + s = "VT101"; + } + break; + case 6: + tty_set_type(tty, TTY_VT102); + s = "VT102"; + break; + case 62: + tty_set_type(tty, TTY_VT220); + s = "VT220"; + break; + case 63: + tty_set_type(tty, TTY_VT320); + s = "VT320"; + break; + case 64: + tty_set_type(tty, TTY_VT420); + s = "VT420"; + break; + } + log_debug("received DA %.*s (%s)", (int)*size, buf, s); + + return (0); +} |