Map control keys back to an ASCII uppercase letter when passing them on

as extended keys.

1 files changed, 7 insertions, 2 deletions

diff --git a/input-keys.c b/input-keys.c
index 0b618407..ae67b486 100644
--- a/input-keys.c
+++ b/input-keys.c
@@ -418,7 +418,7 @@ int
 input_key(struct screen *s, struct bufferevent *bev, key_code key)
 {
 	struct input_key_entry	*ike;
-	key_code		 justkey, newkey, outkey;
+	key_code		 justkey, newkey, outkey, modifiers;
 	struct utf8_data	 ud;
 	char			 tmp[64], modifier;
 
@@ -519,7 +519,12 @@ input_key(struct screen *s, struct bufferevent *bev, key_code key)
 		return (input_key(s, bev, key & ~KEYC_CTRL));
 	}
 	outkey = (key & KEYC_MASK_KEY);
-	switch (key & KEYC_MASK_MODIFIERS) {
+	modifiers = (key & KEYC_MASK_MODIFIERS);
+	if (outkey < ' ') {
+		outkey = 64 + outkey;
+		modifiers |= KEYC_CTRL;
+	}
+	switch (modifiers) {
 	case KEYC_SHIFT:
 		modifier = '2';
 		break;