If we can identify the terminal as iTerm2 or as tmux, we can be sure

they support 256 and RGB colours, so set those flags too.

1 files changed, 3 insertions, 1 deletions

diff --git a/tty-keys.c b/tty-keys.c
index 987fd1b0..064f2172 100644
--- a/tty-keys.c
+++ b/tty-keys.c
@@ -1117,7 +1117,9 @@ tty_keys_device_status_report(struct tty *tty, const char *buf, size_t len,
 
 	/* Set terminal flags. */
 	if (strncmp(tmp, "ITERM2 ", 7) == 0)
-		flags |= TERM_DECSLRM;
+		flags |= (TERM_DECSLRM|TERM_256COLOURS|TERM_RGBCOLOURS);
+	if (strncmp(tmp, "TMUX ", 5) == 0)
+		flags |= (TERM_256COLOURS|TERM_RGBCOLOURS);
 	log_debug("%s: received DSR %.*s", c->name, (int)*size, buf);
 
 	tty_set_flags(tty, flags);