Revert use of DECSLRM on iTerm2, it doesn't help as much as we throught,

and there are some question marks about it's support.

1 files changed, 1 insertions, 45 deletions

diff --git a/usr.bin/tmux/tty-keys.c b/usr.bin/tmux/tty-keys.c
index 3fbbb3a709a..0571bb60f97 100644
--- a/usr.bin/tmux/tty-keys.c
+++ b/usr.bin/tmux/tty-keys.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tty-keys.c,v 1.95 2017/04/18 18:21:37 nicm Exp $ */
+/* $OpenBSD: tty-keys.c,v 1.96 2017/04/18 21:41:42 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -46,8 +46,6 @@ 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 *);
-static int	tty_keys_iterm2_version(struct tty *, const char *, size_t,
-		    size_t *);
 
 /* Default raw keys. */
 struct tty_default_key_raw {
@@ -555,17 +553,6 @@ tty_keys_next(struct tty *tty)
 		goto partial_key;
 	}
 
-	/* Or a response from iTerm2? */
-	switch (tty_keys_iterm2_version(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 */
@@ -925,34 +912,3 @@ tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
 	    types[type]);
 	return (0);
 }
-
-/*
- * Handle a version response from iTerm2. Returns 0 for success, -1 for
- * failure, 1 for partial.
- */
-static int
-tty_keys_iterm2_version(struct tty *tty, const char *buf, size_t len,
-    size_t *size)
-{
-	struct client	*c = tty->client;
-	u_int		 i;
-
-	*size = 0;
-
-	if (memcmp("\033[ITERM2 ", buf, (len > 9) ? 9 : len) != 0)
-		return (-1);
-	if (len < 10)
-		return (1);
-	for (i = 9; i < len; i++) {
-		if (buf[i] == 'n')
-			break;
-	}
-	if (i == len)
-		return (1);
-	*size = i + 1;
-
-	tty_set_type(tty, TTY_ITERM2);
-
-	log_debug("%s: this is iTerm2", c->name);
-	return (0);
-}