From ddf6af79e38600558db711e2076b951117eba4c4 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Wed, 2 Oct 2024 08:06:45 +0000
Subject: [PATCH] Report shifted keys like S-A as A not as S-A in mode 1
 extended keys, from Stanislav Kljuhhin.

---
 input-keys.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/input-keys.c b/input-keys.c
index e690a3a8..342a3dd8 100644
--- a/input-keys.c
+++ b/input-keys.c
@@ -557,6 +557,10 @@ input_key_mode1(struct bufferevent *bev, key_code key)
 	     (onlykey >= '@' && onlykey <= '~')))
 		return (input_key_vt10x(bev, key));
 
+	/* Avoid reporting A as Shift-A, which is not expected in mode 1. */
+	if ((key & KEYC_MASK_MODIFIERS) == KEYC_SHIFT)
+		return (input_key_vt10x(bev, key));
+
 	/*
 	 * A regular key + Meta. In the absence of a standard to back this, we
 	 * mimic what iTerm 2 does.