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Detect iTerm2 and enable DECSLRM.

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This commit is contained in:
nicm
2020-01-12 22:00:20 +00:00
parent 193e637de0
commit 381333c4a9
2 changed files with 58 additions and 1 deletions
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57
tty-keys.c
View File

@@ -52,6 +52,8 @@ static int tty_keys_clipboard(struct tty *, const char *, size_t,
size_t *);
static int tty_keys_device_attributes(struct tty *, const char *, size_t,
size_t *);
static int tty_keys_device_status_report(struct tty *, const char *,
size_t, size_t *);
/* Default raw keys. */
struct tty_default_key_raw {
@@ -607,6 +609,17 @@ tty_keys_next(struct tty *tty)
goto partial_key;
}
/* Is this a device status report response? */
switch (tty_keys_device_status_report(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, &m)) {
case 0: /* yes */
@@ -1054,3 +1067,47 @@ tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
tty_set_flags(tty, flags);
return (0);
}
/*
* Handle device status report input. Returns 0 for success, -1 for failure, 1
* for partial.
*/
static int
tty_keys_device_status_report(struct tty *tty, const char *buf, size_t len,
size_t *size)
{
struct client *c = tty->client;
u_int i;
char tmp[64];
int flags = 0;
*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);
/* Copy the rest up to a 'n'. */
for (i = 0; i < (sizeof tmp) - 1 && buf[2 + i] != 'n'; i++) {
if (2 + i == len)
return (1);
tmp[i] = buf[2 + i];
}
if (i == (sizeof tmp) - 1)
return (-1);
tmp[i] = '\0';
*size = 3 + i;
/* Set terminal flags. */
if (strncmp(tmp, "ITERM2 ", 7) == 0)
flags |= TERM_DECSLRM;
log_debug("%s: received DSR %.*s", c->name, (int)*size, buf);
tty_set_flags(tty, flags);
return (0);
}

2
tty.c
View File

@@ -327,7 +327,7 @@ tty_start_tty(struct tty *tty)
tty->flags |= TTY_FOCUS;
tty_puts(tty, "\033[?1004h");
}
tty_puts(tty, "\033[c");
tty_puts(tty, "\033[c\033[1337n");
}
tty->flags |= TTY_STARTED;