From 39ba6b7a0242768b7d3684e8163d13a0609fcaa3 Mon Sep 17 00:00:00 2001 From: akbash Date: Tue, 7 Jul 2026 15:54:03 +0300 Subject: [PATCH] fix: preserve alt-shift letters (#1102) refs #1088 Co-authored-by: akbash-bot <300245827+akbash-bot@users.noreply.github.com> --- src/input/parse.rs | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/src/input/parse.rs b/src/input/parse.rs index bf377e88..77c630ba 100644 --- a/src/input/parse.rs +++ b/src/input/parse.rs @@ -73,7 +73,11 @@ fn parse_legacy_key_sequence(data: &str) -> Option { let rest = data.strip_prefix('\x1b')?; if rest.chars().count() == 1 { let ch = rest.chars().next()?; - Some(TerminalKey::new(KeyCode::Char(ch), KeyModifiers::ALT)) + let mut modifiers = KeyModifiers::ALT; + if ch.is_ascii_uppercase() { + modifiers |= KeyModifiers::SHIFT; + } + Some(TerminalKey::new(KeyCode::Char(ch), modifiers)) } else { None } @@ -517,6 +521,19 @@ mod tests { } } + #[test] + fn parse_legacy_alt_shift_letter_preserves_shift() { + let key = parse_terminal_key_sequence("\x1bA").expect("alt-shift letter should parse"); + assert_terminal_key_eq( + key, + KeyCode::Char('A'), + KeyModifiers::ALT | KeyModifiers::SHIFT, + crossterm::event::KeyEventKind::Press, + None, + ); + assert_eq!(encode_terminal_key(key, KeyboardProtocol::Legacy), b"\x1bA"); + } + #[test] fn unknown_legacy_ss3_sequence_remains_unsupported() { assert!(parse_terminal_key_sequence("\x1bOz").is_none());