From fa0e380e627644f269cfbd0ed4cf79f15ff74176 Mon Sep 17 00:00:00 2001 From: kangal-bot Date: Mon, 18 May 2026 20:13:19 +0300 Subject: fix: preserve alt backspace in panes (#165) refs #155 Co-authored-by: kangal-bot --- src/input/encode.rs | 15 +++++++++++++++ src/input/parse.rs | 17 +++++++++++++++++ 2 files changed, 32 insertions(+) (limited to 'src/input') diff --git a/src/input/encode.rs b/src/input/encode.rs index 81454ddc..ea7949aa 100644 --- a/src/input/encode.rs +++ b/src/input/encode.rs @@ -523,6 +523,12 @@ mod tests { assert_eq!(encode_key(key, KeyboardProtocol::Legacy), b"\x1ba"); } + #[test] + fn legacy_alt_backspace_sends_escape_delete() { + let key = KeyEvent::new(KeyCode::Backspace, KeyModifiers::ALT); + assert_eq!(encode_key(key, KeyboardProtocol::Legacy), b"\x1b\x7f"); + } + #[test] fn application_cursor_keys_use_ss3_sequences() { assert_eq!(encode_cursor_key(KeyCode::Up, true), b"\x1bOA"); @@ -638,6 +644,15 @@ mod tests { ); } + #[test] + fn kitty_alt_backspace_uses_csi_u() { + let key = KeyEvent::new(KeyCode::Backspace, KeyModifiers::ALT); + assert_eq!( + encode_key(key, KeyboardProtocol::Kitty { flags: 1 }), + b"\x1b[127;3u" + ); + } + #[test] fn kitty_plain_ctrl_c_uses_csi_u() { let key = KeyEvent::new(KeyCode::Char('c'), KeyModifiers::CONTROL); diff --git a/src/input/parse.rs b/src/input/parse.rs index a7d10ab2..367c0f69 100644 --- a/src/input/parse.rs +++ b/src/input/parse.rs @@ -67,6 +67,7 @@ fn parse_legacy_key_sequence(data: &str) -> Option { "\r" => Some(TerminalKey::new(KeyCode::Enter, KeyModifiers::empty())), "\t" => Some(TerminalKey::new(KeyCode::Tab, KeyModifiers::empty())), "\x1b" => Some(TerminalKey::new(KeyCode::Esc, KeyModifiers::empty())), + "\x1b\x7f" => Some(TerminalKey::new(KeyCode::Backspace, KeyModifiers::ALT)), "\x7f" => Some(TerminalKey::new(KeyCode::Backspace, KeyModifiers::empty())), _ if data.starts_with('\x1b') => { let rest = data.strip_prefix('\x1b')?; @@ -441,6 +442,15 @@ mod tests { assert_eq!(key.shifted_codepoint, Some('L' as u32)); } + #[test] + fn parse_kitty_alt_backspace_sequence() { + let key = parse_terminal_key_sequence("\x1b[127;3u").unwrap(); + assert_eq!(key.code, KeyCode::Backspace); + assert_eq!(key.modifiers, KeyModifiers::ALT); + assert_eq!(key.kind, crossterm::event::KeyEventKind::Press); + assert_eq!(key.shifted_codepoint, None); + } + #[test] fn parse_modify_other_keys_sequence() { let key = parse_terminal_key_sequence("\x1b[27;6;108~").unwrap(); @@ -464,6 +474,13 @@ mod tests { assert_eq!(key.modifiers, KeyModifiers::empty()); } + #[test] + fn parse_legacy_alt_backspace_sequence() { + let key = parse_terminal_key_sequence("\x1b\x7f").unwrap(); + assert_eq!(key.code, KeyCode::Backspace); + assert_eq!(key.modifiers, KeyModifiers::ALT); + } + #[test] fn parse_kitty_modifier_sequence() { let key = parse_terminal_key_sequence("\x1b[57441;2:1u").unwrap(); -- cgit v1.2.3