1 files changed, 13 insertions, 0 deletions
diff --git a/tty-keys.c b/tty-keys.c
index 00327bb2..575920e6 100644
--- a/tty-keys.c
+++ b/tty-keys.c
@@ -174,6 +174,10 @@ const struct tty_default_key_raw tty_default_raw_keys[] = {
 	{ "\033[8@", KEYC_END|KEYC_CTRL|KEYC_SHIFT },
 	{ "\033[6@", KEYC_NPAGE|KEYC_CTRL|KEYC_SHIFT },
 	{ "\033[5@", KEYC_PPAGE|KEYC_CTRL|KEYC_SHIFT },
+
+	/* Focus tracking. */
+	{ "\033[I", KEYC_FOCUS_IN },
+	{ "\033[O", KEYC_FOCUS_OUT },
 };
 
 /* Default terminfo(5) keys. */
@@ -559,6 +563,15 @@ complete_key:
 		evtimer_del(&tty->key_timer);
 	tty->flags &= ~TTY_TIMER;
 
+	/* Check for focus events. */
+	if (key == KEYC_FOCUS_OUT) {
+		tty->client->flags &= ~CLIENT_FOCUSED;
+		return (1);
+	} else if (key == KEYC_FOCUS_IN) {
+		tty->client->flags |= CLIENT_FOCUSED;
+		return (1);
+	}
+
 	/* Fire the key. */
 	if (key != KEYC_NONE)
 		server_client_handle_key(tty->client, key);