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Implement kitty's keyboard protocol

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The protocol enables robust key reporting for the applications, so
they could bind more keys and the user won't have collisions with
the normal control keys.

Links: https://sw.kovidgoyal.net/kitty/keyboard-protocol
Fixes #6378.
This commit is contained in:
Kirill Chibisov 2023-12-06 09:26:07 +04:00 committed by GitHub
parent 7c9d9f3b16
commit cb03806e2a
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 851 additions and 301 deletions
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1
CHANGELOG.md
View file

@ -27,6 +27,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
- `window.blur` config option to request blur for transparent windows - `window.blur` config option to request blur for transparent windows
- `--option` argument for `alacritty msg create-window` - `--option` argument for `alacritty msg create-window`
- Support for `DECRQM`/`DECRPM` escape sequences - Support for `DECRQM`/`DECRPM` escape sequences
- Support for kitty's keyboard protocol
### Changed ### Changed

226
alacritty/src/config/bindings.rs
View file

@ -7,7 +7,9 @@ use serde::de::{self, Error as SerdeError, MapAccess, Unexpected, Visitor};
use serde::{Deserialize, Deserializer}; use serde::{Deserialize, Deserializer};
use toml::Value as SerdeValue; use toml::Value as SerdeValue;
use winit::event::MouseButton; use winit::event::MouseButton;
use winit::keyboard::{Key, KeyCode, KeyLocation, ModifiersState, NamedKey, PhysicalKey}; use winit::keyboard::{
Key, KeyCode, KeyLocation as WinitKeyLocation, ModifiersState, NamedKey, PhysicalKey,
};
use winit::platform::scancode::PhysicalKeyExtScancode; use winit::platform::scancode::PhysicalKeyExtScancode;
use alacritty_config_derive::{ConfigDeserialize, SerdeReplace}; use alacritty_config_derive::{ConfigDeserialize, SerdeReplace};
@ -413,10 +415,13 @@ macro_rules! trigger {
BindingKey::Keycode { key: Key::Character($key.into()), location: $location } BindingKey::Keycode { key: Key::Character($key.into()), location: $location }
}}; }};
(KeyBinding, $key:literal,) => {{ (KeyBinding, $key:literal,) => {{
BindingKey::Keycode { key: Key::Character($key.into()), location: KeyLocation::Standard } BindingKey::Keycode { key: Key::Character($key.into()), location: KeyLocation::Any }
}};
(KeyBinding, $key:ident, $location:expr) => {{
BindingKey::Keycode { key: Key::Named(NamedKey::$key), location: $location }
}}; }};
(KeyBinding, $key:ident,) => {{ (KeyBinding, $key:ident,) => {{
BindingKey::Keycode { key: Key::Named(NamedKey::$key), location: KeyLocation::Standard } BindingKey::Keycode { key: Key::Named(NamedKey::$key), location: KeyLocation::Any }
}}; }};
(MouseBinding, $base:ident::$button:ident,) => {{ (MouseBinding, $base:ident::$button:ident,) => {{
$base::$button $base::$button
@ -432,6 +437,8 @@ pub fn default_mouse_bindings() -> Vec<MouseBinding> {
) )
} }
// NOTE: key sequences which are not present here, like F5-F20, PageUp/PageDown codes are
// built on the fly in input/keyboard.rs.
pub fn default_key_bindings() -> Vec<KeyBinding> { pub fn default_key_bindings() -> Vec<KeyBinding> {
let mut bindings = bindings!( let mut bindings = bindings!(
KeyBinding; KeyBinding;
@ -439,56 +446,28 @@ pub fn default_key_bindings() -> Vec<KeyBinding> {
Copy, +BindingMode::VI; Action::ClearSelection; Copy, +BindingMode::VI; Action::ClearSelection;
Paste, ~BindingMode::VI; Action::Paste; Paste, ~BindingMode::VI; Action::Paste;
"l", ModifiersState::CONTROL; Action::ClearLogNotice; "l", ModifiersState::CONTROL; Action::ClearLogNotice;
"l", ModifiersState::CONTROL, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x0c".into()); "l", ModifiersState::CONTROL; Action::ReceiveChar;
Tab, ModifiersState::SHIFT, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[Z".into());
Backspace, ModifiersState::ALT, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b\x7f".into());
Backspace, ModifiersState::SHIFT, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x7f".into());
Home, ModifiersState::SHIFT, ~BindingMode::ALT_SCREEN; Action::ScrollToTop; Home, ModifiersState::SHIFT, ~BindingMode::ALT_SCREEN; Action::ScrollToTop;
End, ModifiersState::SHIFT, ~BindingMode::ALT_SCREEN; Action::ScrollToBottom; End, ModifiersState::SHIFT, ~BindingMode::ALT_SCREEN; Action::ScrollToBottom;
PageUp, ModifiersState::SHIFT, ~BindingMode::ALT_SCREEN; Action::ScrollPageUp; PageUp, ModifiersState::SHIFT, ~BindingMode::ALT_SCREEN; Action::ScrollPageUp;
PageDown, ModifiersState::SHIFT, ~BindingMode::ALT_SCREEN; Action::ScrollPageDown; PageDown, ModifiersState::SHIFT, ~BindingMode::ALT_SCREEN; Action::ScrollPageDown;
Home, ModifiersState::SHIFT, +BindingMode::ALT_SCREEN, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[1;2H".into()); // App cursor mode.
End, ModifiersState::SHIFT, +BindingMode::ALT_SCREEN, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[1;2F".into());
PageUp, ModifiersState::SHIFT, +BindingMode::ALT_SCREEN, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[5;2~".into());
PageDown, ModifiersState::SHIFT, +BindingMode::ALT_SCREEN, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[6;2~".into());
Home, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOH".into()); Home, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOH".into());
Home, ~BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[H".into());
End, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOF".into()); End, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOF".into());
End, ~BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[F".into());
ArrowUp, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOA".into()); ArrowUp, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOA".into());
ArrowUp, ~BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[A".into());
ArrowDown, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOB".into()); ArrowDown, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOB".into());
ArrowDown, ~BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[B".into());
ArrowRight, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOC".into()); ArrowRight, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOC".into());
ArrowRight, ~BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[C".into());
ArrowLeft, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOD".into()); ArrowLeft, +BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOD".into());
ArrowLeft, ~BindingMode::APP_CURSOR, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[D".into()); // Legacy keys handling which can't be automatically encoded.
Backspace, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x7f".into()); F1, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC, ~BindingMode::DISAMBIGUATE_ESC_CODES; Action::Esc("\x1bOP".into());
Insert, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[2~".into()); F2, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC, ~BindingMode::DISAMBIGUATE_ESC_CODES; Action::Esc("\x1bOQ".into());
Delete, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[3~".into()); F3, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC, ~BindingMode::DISAMBIGUATE_ESC_CODES; Action::Esc("\x1bOR".into());
PageUp, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[5~".into()); F4, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC, ~BindingMode::DISAMBIGUATE_ESC_CODES; Action::Esc("\x1bOS".into());
PageDown, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[6~".into()); Tab, ModifiersState::SHIFT, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC; Action::Esc("\x1b[Z".into());
F1, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOP".into()); Tab, ModifiersState::SHIFT | ModifiersState::ALT, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC; Action::Esc("\x1b\x1b[Z".into());
F2, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOQ".into()); Backspace, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC; Action::Esc("\x7f".into());
F3, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOR".into()); Backspace, ModifiersState::ALT, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC; Action::Esc("\x1b\x7f".into());
F4, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1bOS".into()); Backspace, ModifiersState::SHIFT, ~BindingMode::VI, ~BindingMode::SEARCH, ~BindingMode::REPORT_ALL_KEYS_AS_ESC; Action::Esc("\x7f".into());
F5, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[15~".into());
F6, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[17~".into());
F7, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[18~".into());
F8, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[19~".into());
F9, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[20~".into());
F10, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[21~".into());
F11, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[23~".into());
F12, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[24~".into());
F13, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[25~".into());
F14, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[26~".into());
F15, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[28~".into());
F16, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[29~".into());
F17, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[31~".into());
F18, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[32~".into());
F19, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[33~".into());
F20, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc("\x1b[34~".into());
// Vi mode. // Vi mode.
Space, ModifiersState::SHIFT | ModifiersState::CONTROL, ~BindingMode::SEARCH; Action::ToggleViMode; Space, ModifiersState::SHIFT | ModifiersState::CONTROL, ~BindingMode::SEARCH; Action::ToggleViMode;
Space, ModifiersState::SHIFT | ModifiersState::CONTROL, +BindingMode::VI, ~BindingMode::SEARCH; Action::ScrollToBottom; Space, ModifiersState::SHIFT | ModifiersState::CONTROL, +BindingMode::VI, ~BindingMode::SEARCH; Action::ScrollToBottom;
@ -557,72 +536,6 @@ pub fn default_key_bindings() -> Vec<KeyBinding> {
Enter, ModifiersState::SHIFT, +BindingMode::SEARCH, ~BindingMode::VI; SearchAction::SearchFocusPrevious; Enter, ModifiersState::SHIFT, +BindingMode::SEARCH, ~BindingMode::VI; SearchAction::SearchFocusPrevious;
); );
// Code Modifiers
// ---------+---------------------------
// 2 | Shift
// 3 | Alt
// 4 | Shift + Alt
// 5 | Control
// 6 | Shift + Control
// 7 | Alt + Control
// 8 | Shift + Alt + Control
// ---------+---------------------------
//
// from: https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-PC-Style-Function-Keys
let mut modifiers = vec![
ModifiersState::SHIFT,
ModifiersState::ALT,
ModifiersState::SHIFT | ModifiersState::ALT,
ModifiersState::CONTROL,
ModifiersState::SHIFT | ModifiersState::CONTROL,
ModifiersState::ALT | ModifiersState::CONTROL,
ModifiersState::SHIFT | ModifiersState::ALT | ModifiersState::CONTROL,
];
for (index, mods) in modifiers.drain(..).enumerate() {
let modifiers_code = index + 2;
bindings.extend(bindings!(
KeyBinding;
Delete, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[3;{}~", modifiers_code));
ArrowUp, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}A", modifiers_code));
ArrowDown, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}B", modifiers_code));
ArrowRight, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}C", modifiers_code));
ArrowLeft, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}D", modifiers_code));
F1, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}P", modifiers_code));
F2, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}Q", modifiers_code));
F3, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}R", modifiers_code));
F4, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}S", modifiers_code));
F5, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[15;{}~", modifiers_code));
F6, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[17;{}~", modifiers_code));
F7, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[18;{}~", modifiers_code));
F8, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[19;{}~", modifiers_code));
F9, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[20;{}~", modifiers_code));
F10, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[21;{}~", modifiers_code));
F11, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[23;{}~", modifiers_code));
F12, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[24;{}~", modifiers_code));
F13, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[25;{}~", modifiers_code));
F14, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[26;{}~", modifiers_code));
F15, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[28;{}~", modifiers_code));
F16, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[29;{}~", modifiers_code));
F17, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[31;{}~", modifiers_code));
F18, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[32;{}~", modifiers_code));
F19, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[33;{}~", modifiers_code));
F20, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[34;{}~", modifiers_code));
));
// We're adding the following bindings with `Shift` manually above, so skipping them here.
if modifiers_code != 2 {
bindings.extend(bindings!(
KeyBinding;
Insert, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[2;{}~", modifiers_code));
PageUp, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[5;{}~", modifiers_code));
PageDown, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[6;{}~", modifiers_code));
End, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}F", modifiers_code));
Home, mods, ~BindingMode::VI, ~BindingMode::SEARCH; Action::Esc(format!("\x1b[1;{}H", modifiers_code));
));
}
}
bindings.extend(platform_key_bindings()); bindings.extend(platform_key_bindings());
bindings bindings
@ -683,7 +596,6 @@ pub fn platform_key_bindings() -> Vec<KeyBinding> {
"7", ModifiersState::SUPER; Action::SelectTab7; "7", ModifiersState::SUPER; Action::SelectTab7;
"8", ModifiersState::SUPER; Action::SelectTab8; "8", ModifiersState::SUPER; Action::SelectTab8;
"9", ModifiersState::SUPER; Action::SelectLastTab; "9", ModifiersState::SUPER; Action::SelectLastTab;
"0", ModifiersState::SUPER; Action::ResetFontSize; "0", ModifiersState::SUPER; Action::ResetFontSize;
"=", ModifiersState::SUPER; Action::IncreaseFontSize; "=", ModifiersState::SUPER; Action::IncreaseFontSize;
"+", ModifiersState::SUPER; Action::IncreaseFontSize; "+", ModifiersState::SUPER; Action::IncreaseFontSize;
@ -712,12 +624,46 @@ pub fn platform_key_bindings() -> Vec<KeyBinding> {
vec![] vec![]
} }
#[derive(Clone, Debug, Eq, PartialEq, Hash)] #[derive(Clone, Debug, PartialEq, Eq)]
pub enum BindingKey { pub enum BindingKey {
Scancode(PhysicalKey), Scancode(PhysicalKey),
Keycode { key: Key, location: KeyLocation }, Keycode { key: Key, location: KeyLocation },
} }
/// Key location for matching bindings.
#[derive(Debug, Clone, Copy, Eq)]
pub enum KeyLocation {
/// The key is in its standard position.
Standard,
/// The key is on the numeric pad.
Numpad,
/// The key could be anywhere on the keyboard.
Any,
}
impl From<WinitKeyLocation> for KeyLocation {
fn from(value: WinitKeyLocation) -> Self {
match value {
WinitKeyLocation::Standard => KeyLocation::Standard,
WinitKeyLocation::Left => KeyLocation::Any,
WinitKeyLocation::Right => KeyLocation::Any,
WinitKeyLocation::Numpad => KeyLocation::Numpad,
}
}
}
impl PartialEq for KeyLocation {
fn eq(&self, other: &Self) -> bool {
matches!(
(self, other),
(_, KeyLocation::Any)
| (KeyLocation::Any, _)
| (KeyLocation::Standard, KeyLocation::Standard)
| (KeyLocation::Numpad, KeyLocation::Numpad)
)
}
}
impl<'a> Deserialize<'a> for BindingKey { impl<'a> Deserialize<'a> for BindingKey {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where where
@ -729,23 +675,26 @@ impl<'a> Deserialize<'a> for BindingKey {
Err(_) => { Err(_) => {
let keycode = String::deserialize(value.clone()).map_err(D::Error::custom)?; let keycode = String::deserialize(value.clone()).map_err(D::Error::custom)?;
let (key, location) = if keycode.chars().count() == 1 { let (key, location) = if keycode.chars().count() == 1 {
(Key::Character(keycode.to_lowercase().into()), KeyLocation::Standard) (Key::Character(keycode.to_lowercase().into()), KeyLocation::Any)
} else { } else {
// Translate legacy winit codes into their modern counterparts. // Translate legacy winit codes into their modern counterparts.
match keycode.as_str() { match keycode.as_str() {
"Up" => (Key::Named(NamedKey::ArrowUp), KeyLocation::Standard), "Back" => (Key::Named(NamedKey::Backspace), KeyLocation::Any),
"Back" => (Key::Named(NamedKey::Backspace), KeyLocation::Standard), "Up" => (Key::Named(NamedKey::ArrowUp), KeyLocation::Any),
"Down" => (Key::Named(NamedKey::ArrowDown), KeyLocation::Standard), "Down" => (Key::Named(NamedKey::ArrowDown), KeyLocation::Any),
"Left" => (Key::Named(NamedKey::ArrowLeft), KeyLocation::Standard), "Left" => (Key::Named(NamedKey::ArrowLeft), KeyLocation::Any),
"Right" => (Key::Named(NamedKey::ArrowRight), KeyLocation::Standard), "Right" => (Key::Named(NamedKey::ArrowRight), KeyLocation::Any),
"At" => (Key::Character("@".into()), KeyLocation::Standard), "At" => (Key::Character("@".into()), KeyLocation::Any),
"Colon" => (Key::Character(":".into()), KeyLocation::Standard), "Colon" => (Key::Character(":".into()), KeyLocation::Any),
"Period" => (Key::Character(".".into()), KeyLocation::Standard), "Period" => (Key::Character(".".into()), KeyLocation::Any),
"LBracket" => (Key::Character("[".into()), KeyLocation::Any),
"RBracket" => (Key::Character("]".into()), KeyLocation::Any),
"Semicolon" => (Key::Character(";".into()), KeyLocation::Any),
"Backslash" => (Key::Character("\\".into()), KeyLocation::Any),
// The keys which has alternative on numeric pad.
"Enter" => (Key::Named(NamedKey::Enter), KeyLocation::Standard),
"Return" => (Key::Named(NamedKey::Enter), KeyLocation::Standard), "Return" => (Key::Named(NamedKey::Enter), KeyLocation::Standard),
"LBracket" => (Key::Character("[".into()), KeyLocation::Standard),
"RBracket" => (Key::Character("]".into()), KeyLocation::Standard),
"Semicolon" => (Key::Character(";".into()), KeyLocation::Standard),
"Backslash" => (Key::Character("\\".into()), KeyLocation::Standard),
"Plus" => (Key::Character("+".into()), KeyLocation::Standard), "Plus" => (Key::Character("+".into()), KeyLocation::Standard),
"Comma" => (Key::Character(",".into()), KeyLocation::Standard), "Comma" => (Key::Character(",".into()), KeyLocation::Standard),
"Slash" => (Key::Character("/".into()), KeyLocation::Standard), "Slash" => (Key::Character("/".into()), KeyLocation::Standard),
@ -781,13 +730,12 @@ impl<'a> Deserialize<'a> for BindingKey {
"Numpad8" => (Key::Character("8".into()), KeyLocation::Numpad), "Numpad8" => (Key::Character("8".into()), KeyLocation::Numpad),
"Numpad9" => (Key::Character("9".into()), KeyLocation::Numpad), "Numpad9" => (Key::Character("9".into()), KeyLocation::Numpad),
"Numpad0" => (Key::Character("0".into()), KeyLocation::Numpad), "Numpad0" => (Key::Character("0".into()), KeyLocation::Numpad),
_ if keycode.starts_with("Dead") => ( _ if keycode.starts_with("Dead") => {
Key::deserialize(value).map_err(D::Error::custom)?, (Key::deserialize(value).map_err(D::Error::custom)?, KeyLocation::Any)
KeyLocation::Standard, },
),
_ => ( _ => (
Key::Named(NamedKey::deserialize(value).map_err(D::Error::custom)?), Key::Named(NamedKey::deserialize(value).map_err(D::Error::custom)?),
KeyLocation::Standard, KeyLocation::Any,
), ),
} }
}; };
@ -808,11 +756,13 @@ bitflags! {
/// Modes available for key bindings. /// Modes available for key bindings.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct BindingMode: u8 { pub struct BindingMode: u8 {
const APP_CURSOR = 0b0000_0001; const APP_CURSOR = 0b0000_0001;
const APP_KEYPAD = 0b0000_0010; const APP_KEYPAD = 0b0000_0010;
const ALT_SCREEN = 0b0000_0100; const ALT_SCREEN = 0b0000_0100;
const VI = 0b0000_1000; const VI = 0b0000_1000;
const SEARCH = 0b0001_0000; const SEARCH = 0b0001_0000;
const DISAMBIGUATE_ESC_CODES = 0b0010_0000;
const REPORT_ALL_KEYS_AS_ESC = 0b0100_0000;
} }
} }
@ -824,6 +774,14 @@ impl BindingMode {
binding_mode.set(BindingMode::ALT_SCREEN, mode.contains(TermMode::ALT_SCREEN)); binding_mode.set(BindingMode::ALT_SCREEN, mode.contains(TermMode::ALT_SCREEN));
binding_mode.set(BindingMode::VI, mode.contains(TermMode::VI)); binding_mode.set(BindingMode::VI, mode.contains(TermMode::VI));
binding_mode.set(BindingMode::SEARCH, search); binding_mode.set(BindingMode::SEARCH, search);
binding_mode.set(
BindingMode::DISAMBIGUATE_ESC_CODES,
mode.contains(TermMode::DISAMBIGUATE_ESC_CODES),
);
binding_mode.set(
BindingMode::REPORT_ALL_KEYS_AS_ESC,
mode.contains(TermMode::REPORT_ALL_KEYS_AS_ESC),
);
binding_mode binding_mode
} }
} }

12
alacritty/src/config/ui_config.rs
View file

@ -10,14 +10,15 @@ use log::{error, warn};
use serde::de::{Error as SerdeError, MapAccess, Visitor}; use serde::de::{Error as SerdeError, MapAccess, Visitor};
use serde::{self, Deserialize, Deserializer}; use serde::{self, Deserialize, Deserializer};
use unicode_width::UnicodeWidthChar; use unicode_width::UnicodeWidthChar;
use winit::keyboard::{Key, KeyLocation, ModifiersState}; use winit::keyboard::{Key, ModifiersState};
use alacritty_config_derive::{ConfigDeserialize, SerdeReplace}; use alacritty_config_derive::{ConfigDeserialize, SerdeReplace};
use alacritty_terminal::term::search::RegexSearch; use alacritty_terminal::term::search::RegexSearch;
use crate::config::bell::BellConfig; use crate::config::bell::BellConfig;
use crate::config::bindings::{ use crate::config::bindings::{
self, Action, Binding, BindingKey, KeyBinding, ModeWrapper, ModsWrapper, MouseBinding, self, Action, Binding, BindingKey, KeyBinding, KeyLocation, ModeWrapper, ModsWrapper,
MouseBinding,
}; };
use crate::config::color::Colors; use crate::config::color::Colors;
use crate::config::cursor::Cursor; use crate::config::cursor::Cursor;
@ -152,11 +153,12 @@ impl UiConfig {
/// Derive [`TermConfig`] from the config. /// Derive [`TermConfig`] from the config.
pub fn term_options(&self) -> TermConfig { pub fn term_options(&self) -> TermConfig {
TermConfig { TermConfig {
scrolling_history: self.scrolling.history() as usize,
default_cursor_style: self.cursor.style(),
vi_mode_cursor_style: self.cursor.vi_mode_style(),
semantic_escape_chars: self.selection.semantic_escape_chars.clone(), semantic_escape_chars: self.selection.semantic_escape_chars.clone(),
scrolling_history: self.scrolling.history() as usize,
vi_mode_cursor_style: self.cursor.vi_mode_style(),
default_cursor_style: self.cursor.style(),
osc52: self.terminal.osc52.0, osc52: self.terminal.osc52.0,
kitty_keyboard: true,
} }
} }

584
alacritty/src/input/keyboard.rs Normal file
View file

@ -0,0 +1,584 @@
use std::borrow::Cow;
use std::mem;
use winit::event::{ElementState, KeyEvent};
#[cfg(target_os = "macos")]
use winit::keyboard::ModifiersKeyState;
use winit::keyboard::{Key, KeyLocation, ModifiersState, NamedKey};
#[cfg(target_os = "macos")]
use winit::platform::macos::OptionAsAlt;
use alacritty_terminal::event::EventListener;
use alacritty_terminal::term::TermMode;
use winit::platform::modifier_supplement::KeyEventExtModifierSupplement;
use crate::config::{Action, BindingKey, BindingMode};
use crate::event::TYPING_SEARCH_DELAY;
use crate::input::{ActionContext, Execute, Processor};
use crate::scheduler::{TimerId, Topic};
impl<T: EventListener, A: ActionContext<T>> Processor<T, A> {
/// Process key input.
pub fn key_input(&mut self, key: KeyEvent) {
// IME input will be applied on commit and shouldn't trigger key bindings.
if self.ctx.display().ime.preedit().is_some() {
return;
}
let mode = *self.ctx.terminal().mode();
let mods = self.ctx.modifiers().state();
if key.state == ElementState::Released {
self.key_release(key, mode, mods);
return;
}
let text = key.text_with_all_modifiers().unwrap_or_default();
// All key bindings are disabled while a hint is being selected.
if self.ctx.display().hint_state.active() {
for character in text.chars() {
self.ctx.hint_input(character);
}
return;
}
// First key after inline search is captured.
let inline_state = self.ctx.inline_search_state();
if mem::take(&mut inline_state.char_pending) {
if let Some(c) = text.chars().next() {
inline_state.character = Some(c);
// Immediately move to the captured character.
self.ctx.inline_search_next();
}
// Ignore all other characters in `text`.
return;
}
// Reset search delay when the user is still typing.
self.reset_search_delay();
// Key bindings suppress the character input.
if self.process_key_bindings(&key) {
return;
}
if self.ctx.search_active() {
for character in text.chars() {
self.ctx.search_input(character);
}
return;
}
// Vi mode on its own doesn't have any input, the search input was done before.
if mode.contains(TermMode::VI) {
return;
}
let build_key_sequence = Self::should_build_sequence(&key, text, mode, mods);
let bytes = if build_key_sequence {
build_sequence(key, mods, mode)
} else {
let mut bytes = Vec::with_capacity(text.len() + 1);
if self.alt_send_esc() && text.len() == 1 {
bytes.push(b'\x1b');
}
bytes.extend_from_slice(text.as_bytes());
bytes
};
// Write only if we have something to write.
if !bytes.is_empty() {
self.ctx.on_terminal_input_start();
self.ctx.write_to_pty(bytes);
}
}
/// Check whether we should try to build escape sequence for the [`KeyEvent`].
fn should_build_sequence(
key: &KeyEvent,
text: &str,
mode: TermMode,
mods: ModifiersState,
) -> bool {
if mode.contains(TermMode::REPORT_ALL_KEYS_AS_ESC) {
true
} else if mode.contains(TermMode::DISAMBIGUATE_ESC_CODES) {
let on_numpad = key.location == KeyLocation::Numpad;
let is_escape = key.logical_key == Key::Named(NamedKey::Escape);
is_escape || (!mods.is_empty() && mods != ModifiersState::SHIFT) || on_numpad
} else {
// `Delete` key always has text attached to it, but it's a named key, thus needs to be
// excluded here as well.
text.is_empty() || key.logical_key == Key::Named(NamedKey::Delete)
}
}
/// Whether we should send `ESC` due to `Alt` being pressed.
#[cfg(not(target_os = "macos"))]
fn alt_send_esc(&mut self) -> bool {
self.ctx.modifiers().state().alt_key()
}
#[cfg(target_os = "macos")]
fn alt_send_esc(&mut self) -> bool {
let option_as_alt = self.ctx.config().window.option_as_alt();
self.ctx.modifiers().state().alt_key()
&& (option_as_alt == OptionAsAlt::Both
|| (option_as_alt == OptionAsAlt::OnlyLeft
&& self.ctx.modifiers().lalt_state() == ModifiersKeyState::Pressed)
|| (option_as_alt == OptionAsAlt::OnlyRight
&& self.ctx.modifiers().ralt_state() == ModifiersKeyState::Pressed))
}
/// Attempt to find a binding and execute its action.
///
/// The provided mode, mods, and key must match what is allowed by a binding
/// for its action to be executed.
fn process_key_bindings(&mut self, key: &KeyEvent) -> bool {
let mode = BindingMode::new(self.ctx.terminal().mode(), self.ctx.search_active());
let mods = self.ctx.modifiers().state();
// Don't suppress char if no bindings were triggered.
let mut suppress_chars = None;
for i in 0..self.ctx.config().key_bindings().len() {
let binding = &self.ctx.config().key_bindings()[i];
// We don't want the key without modifier, because it means something else most of
// the time. However what we want is to manually lowercase the character to account
// for both small and capital letters on regular characters at the same time.
let logical_key = if let Key::Character(ch) = key.logical_key.as_ref() {
Key::Character(ch.to_lowercase().into())
} else {
key.logical_key.clone()
};
let key = match (&binding.trigger, logical_key) {
(BindingKey::Scancode(_), _) => BindingKey::Scancode(key.physical_key),
(_, code) => BindingKey::Keycode { key: code, location: key.location.into() },
};
if binding.is_triggered_by(mode, mods, &key) {
// Pass through the key if any of the bindings has the `ReceiveChar` action.
*suppress_chars.get_or_insert(true) &= binding.action != Action::ReceiveChar;
// Binding was triggered; run the action.
binding.action.clone().execute(&mut self.ctx);
}
}
suppress_chars.unwrap_or(false)
}
/// Handle key release.
fn key_release(&mut self, key: KeyEvent, mode: TermMode, mods: ModifiersState) {
if !mode.contains(TermMode::REPORT_EVENT_TYPES)
|| mode.contains(TermMode::VI)
|| self.ctx.search_active()
|| self.ctx.display().hint_state.active()
{
return;
}
let bytes: Cow<'static, [u8]> = match key.logical_key.as_ref() {
// NOTE: Echo the key back on release to follow kitty/foot behavior. When
// KEYBOARD_REPORT_ALL_KEYS_AS_ESC is used, we build proper escapes for
// the keys below.
_ if mode.contains(TermMode::REPORT_ALL_KEYS_AS_ESC) => {
build_sequence(key, mods, mode).into()
},
// Winit uses different keys for `Backspace` so we expliictly specify the
// values, instead of using what was passed to us from it.
Key::Named(NamedKey::Tab) => [b'\t'].as_slice().into(),
Key::Named(NamedKey::Enter) => [b'\r'].as_slice().into(),
Key::Named(NamedKey::Backspace) => [b'\x7f'].as_slice().into(),
Key::Named(NamedKey::Escape) => [b'\x1b'].as_slice().into(),
_ => build_sequence(key, mods, mode).into(),
};
self.ctx.write_to_pty(bytes);
}
/// Reset search delay.
fn reset_search_delay(&mut self) {
if self.ctx.search_active() {
let timer_id = TimerId::new(Topic::DelayedSearch, self.ctx.window().id());
let scheduler = self.ctx.scheduler_mut();
if let Some(timer) = scheduler.unschedule(timer_id) {
scheduler.schedule(timer.event, TYPING_SEARCH_DELAY, false, timer.id);
}
}
}
}
/// Build a key's keyboard escape sequence based on the given `key`, `mods`, and `mode`.
///
/// The key sequences for `APP_KEYPAD` and alike are handled inside the bindings.
#[inline(never)]
fn build_sequence(key: KeyEvent, mods: ModifiersState, mode: TermMode) -> Vec<u8> {
let modifiers = mods.into();
let kitty_seq = mode.intersects(
TermMode::REPORT_ALL_KEYS_AS_ESC
| TermMode::DISAMBIGUATE_ESC_CODES
| TermMode::REPORT_EVENT_TYPES,
);
let kitty_encode_all = mode.contains(TermMode::REPORT_ALL_KEYS_AS_ESC);
// The default parameter is 1, so we can omit it.
let kitty_event_type = mode.contains(TermMode::REPORT_EVENT_TYPES)
&& (key.repeat || key.state == ElementState::Released);
let context =
SequenceBuilder { mode, modifiers, kitty_seq, kitty_encode_all, kitty_event_type };
let sequence_base = context
.try_build_numpad(&key)
.or_else(|| context.try_build_named(&key))
.or_else(|| context.try_build_control_char_or_mod(&key))
.or_else(|| context.try_build_textual(&key));
let (payload, terminator) = match sequence_base {
Some(SequenceBase { payload, terminator }) => (payload, terminator),
_ => return Vec::new(),
};
let mut payload = format!("\x1b[{}", payload);
// Add modifiers information.
if kitty_event_type
|| !modifiers.is_empty()
|| (mode.contains(TermMode::REPORT_ASSOCIATED_TEXT) && key.text.is_some())
{
payload.push_str(&format!(";{}", modifiers.encode_esc_sequence()));
}
// Push event type.
if kitty_event_type {
payload.push(':');
let event_type = match key.state {
_ if key.repeat => '2',
ElementState::Pressed => '1',
ElementState::Released => '3',
};
payload.push(event_type);
}
// Associated text is not reported when the control/alt/logo is pressesed.
if mode.contains(TermMode::REPORT_ASSOCIATED_TEXT)
&& key.state != ElementState::Released
&& (modifiers.is_empty() || modifiers == SequenceModifiers::SHIFT)
{
if let Some(text) = key.text {
let mut codepoints = text.chars().map(u32::from);
if let Some(codepoint) = codepoints.next() {
payload.push_str(&format!(";{codepoint}"));
}
for codepoint in codepoints {
payload.push_str(&format!(":{codepoint}"));
}
}
}
payload.push(terminator.encode_esc_sequence());
payload.into_bytes()
}
/// Helper to build escape sequence payloads from [`KeyEvent`].
pub struct SequenceBuilder {
mode: TermMode,
/// The emitted sequence should follow the kitty keyboard protocol.
kitty_seq: bool,
/// Encode all the keys according to the protocol.
kitty_encode_all: bool,
/// Report event types.
kitty_event_type: bool,
modifiers: SequenceModifiers,
}
impl SequenceBuilder {
/// Try building sequence from the event's emitting text.
fn try_build_textual(&self, key: &KeyEvent) -> Option<SequenceBase> {
let character = match key.logical_key.as_ref() {
Key::Character(character) => character,
_ => return None,
};
if character.chars().count() == 1 {
let character = character.chars().next().unwrap();
let base_character = character.to_lowercase().next().unwrap();
let codepoint = u32::from(character);
let base_codepoint = u32::from(base_character);
// NOTE: Base layouts are ignored, since winit doesn't expose this information
// yet.
let payload = if self.mode.contains(TermMode::REPORT_ALTERNATE_KEYS)
&& codepoint != base_codepoint
{
format!("{codepoint}:{base_codepoint}")
} else {
codepoint.to_string()
};
Some(SequenceBase::new(payload.into(), SequenceTerminator::Kitty))
} else if self.kitty_encode_all
&& self.mode.contains(TermMode::REPORT_ASSOCIATED_TEXT)
&& key.text.is_some()
{
// Fallback when need to report text, but we don't have any key associated with this
// text.
Some(SequenceBase::new("0".into(), SequenceTerminator::Kitty))
} else {
None
}
}
/// Try building from numpad key.
///
/// `None` is returned when the key is neither known nor numpad.
fn try_build_numpad(&self, key: &KeyEvent) -> Option<SequenceBase> {
if !self.kitty_seq || key.location != KeyLocation::Numpad {
return None;
}
let base = match key.logical_key.as_ref() {
Key::Character("0") => "57399",
Key::Character("1") => "57400",
Key::Character("2") => "57401",
Key::Character("3") => "57402",
Key::Character("4") => "57403",
Key::Character("5") => "57404",
Key::Character("6") => "57405",
Key::Character("7") => "57406",
Key::Character("8") => "57407",
Key::Character("9") => "57408",
Key::Character(".") => "57409",
Key::Character("/") => "57410",
Key::Character("*") => "57411",
Key::Character("-") => "57412",
Key::Character("+") => "57413",
Key::Character("=") => "57415",
Key::Named(named) => match named {
NamedKey::Enter => "57414",
NamedKey::ArrowLeft => "57417",
NamedKey::ArrowRight => "57418",
NamedKey::ArrowUp => "57419",
NamedKey::ArrowDown => "57420",
NamedKey::PageUp => "57421",
NamedKey::PageDown => "57422",
NamedKey::Home => "57423",
NamedKey::End => "57424",
NamedKey::Insert => "57425",
NamedKey::Delete => "57426",
_ => return None,
},
_ => return None,
};
Some(SequenceBase::new(base.into(), SequenceTerminator::Kitty))
}
/// Try building from [`NamedKey`].
fn try_build_named(&self, key: &KeyEvent) -> Option<SequenceBase> {
let named = match key.logical_key {
Key::Named(named) => named,
_ => return None,
};
// The default parameter is 1, so we can omit it.
let one_based = if self.modifiers.is_empty() && !self.kitty_event_type { "" } else { "1" };
let (base, terminator) = match named {
NamedKey::PageUp => ("5", SequenceTerminator::Normal('~')),
NamedKey::PageDown => ("6", SequenceTerminator::Normal('~')),
NamedKey::Insert => ("2", SequenceTerminator::Normal('~')),
NamedKey::Delete => ("3", SequenceTerminator::Normal('~')),
NamedKey::Home => (one_based, SequenceTerminator::Normal('H')),
NamedKey::End => (one_based, SequenceTerminator::Normal('F')),
NamedKey::ArrowLeft => (one_based, SequenceTerminator::Normal('D')),
NamedKey::ArrowRight => (one_based, SequenceTerminator::Normal('C')),
NamedKey::ArrowUp => (one_based, SequenceTerminator::Normal('A')),
NamedKey::ArrowDown => (one_based, SequenceTerminator::Normal('B')),
NamedKey::F1 => (one_based, SequenceTerminator::Normal('P')),
NamedKey::F2 => (one_based, SequenceTerminator::Normal('Q')),
NamedKey::F3 => {
// F3 in kitty protocol diverges from alacritty's terminfo.
if self.kitty_seq {
("13", SequenceTerminator::Normal('~'))
} else {
(one_based, SequenceTerminator::Normal('R'))
}
},
NamedKey::F4 => (one_based, SequenceTerminator::Normal('S')),
NamedKey::F5 => ("15", SequenceTerminator::Normal('~')),
NamedKey::F6 => ("17", SequenceTerminator::Normal('~')),
NamedKey::F7 => ("18", SequenceTerminator::Normal('~')),
NamedKey::F8 => ("19", SequenceTerminator::Normal('~')),
NamedKey::F9 => ("20", SequenceTerminator::Normal('~')),
NamedKey::F10 => ("21", SequenceTerminator::Normal('~')),
NamedKey::F11 => ("23", SequenceTerminator::Normal('~')),
NamedKey::F12 => ("24", SequenceTerminator::Normal('~')),
NamedKey::F13 => ("57376", SequenceTerminator::Kitty),
NamedKey::F14 => ("57377", SequenceTerminator::Kitty),
NamedKey::F15 => ("57378", SequenceTerminator::Kitty),
NamedKey::F16 => ("57379", SequenceTerminator::Kitty),
NamedKey::F17 => ("57380", SequenceTerminator::Kitty),
NamedKey::F18 => ("57381", SequenceTerminator::Kitty),
NamedKey::F19 => ("57382", SequenceTerminator::Kitty),
NamedKey::F20 => ("57383", SequenceTerminator::Kitty),
NamedKey::F21 => ("57384", SequenceTerminator::Kitty),
NamedKey::F22 => ("57385", SequenceTerminator::Kitty),
NamedKey::F23 => ("57386", SequenceTerminator::Kitty),
NamedKey::F24 => ("57387", SequenceTerminator::Kitty),
NamedKey::F25 => ("57388", SequenceTerminator::Kitty),
NamedKey::F26 => ("57389", SequenceTerminator::Kitty),
NamedKey::F27 => ("57390", SequenceTerminator::Kitty),
NamedKey::F28 => ("57391", SequenceTerminator::Kitty),
NamedKey::F29 => ("57392", SequenceTerminator::Kitty),
NamedKey::F30 => ("57393", SequenceTerminator::Kitty),
NamedKey::F31 => ("57394", SequenceTerminator::Kitty),
NamedKey::F32 => ("57395", SequenceTerminator::Kitty),
NamedKey::F33 => ("57396", SequenceTerminator::Kitty),
NamedKey::F34 => ("57397", SequenceTerminator::Kitty),
NamedKey::F35 => ("57398", SequenceTerminator::Kitty),
NamedKey::ScrollLock => ("57359", SequenceTerminator::Kitty),
NamedKey::PrintScreen => ("57361", SequenceTerminator::Kitty),
NamedKey::Pause => ("57362", SequenceTerminator::Kitty),
NamedKey::ContextMenu => ("57363", SequenceTerminator::Kitty),
NamedKey::MediaPlay => ("57428", SequenceTerminator::Kitty),
NamedKey::MediaPause => ("57429", SequenceTerminator::Kitty),
NamedKey::MediaPlayPause => ("57430", SequenceTerminator::Kitty),
NamedKey::MediaStop => ("57432", SequenceTerminator::Kitty),
NamedKey::MediaFastForward => ("57433", SequenceTerminator::Kitty),
NamedKey::MediaRewind => ("57434", SequenceTerminator::Kitty),
NamedKey::MediaTrackNext => ("57435", SequenceTerminator::Kitty),
NamedKey::MediaTrackPrevious => ("57436", SequenceTerminator::Kitty),
NamedKey::MediaRecord => ("57437", SequenceTerminator::Kitty),
NamedKey::AudioVolumeDown => ("57438", SequenceTerminator::Kitty),
NamedKey::AudioVolumeUp => ("57439", SequenceTerminator::Kitty),
NamedKey::AudioVolumeMute => ("57440", SequenceTerminator::Kitty),
_ => return None,
};
Some(SequenceBase::new(base.into(), terminator))
}
/// Try building escape from control characters (e.g. Enter) and modifiers.
fn try_build_control_char_or_mod(&self, key: &KeyEvent) -> Option<SequenceBase> {
if !self.kitty_encode_all && !self.kitty_seq {
return None;
}
let named = match key.logical_key {
Key::Named(named) => named,
_ => return None,
};
let base = match named {
NamedKey::Tab => "9",
NamedKey::Enter => "13",
NamedKey::Escape => "27",
NamedKey::Space => "32",
NamedKey::Backspace => "127",
_ => "",
};
// Fail when the key is not a named control character and the active mode prohibits us
// from encoding modifier keys.
if !self.kitty_encode_all && base.is_empty() {
return None;
}
let base = match (named, key.location) {
(NamedKey::Shift, KeyLocation::Left) => "57441",
(NamedKey::Control, KeyLocation::Left) => "57442",
(NamedKey::Alt, KeyLocation::Left) => "57443",
(NamedKey::Super, KeyLocation::Left) => "57444",
(NamedKey::Hyper, KeyLocation::Left) => "57445",
(NamedKey::Meta, KeyLocation::Left) => "57446",
(NamedKey::Shift, _) => "57447",
(NamedKey::Control, _) => "57448",
(NamedKey::Alt, _) => "57449",
(NamedKey::Super, _) => "57450",
(NamedKey::Hyper, _) => "57451",
(NamedKey::Meta, _) => "57452",
(NamedKey::CapsLock, _) => "57358",
(NamedKey::NumLock, _) => "57360",
_ => base,
};
if base.is_empty() {
None
} else {
Some(SequenceBase::new(base.into(), SequenceTerminator::Kitty))
}
}
}
pub struct SequenceBase {
/// The base of the payload, which is the `number` and optionally an alt base from the kitty
/// spec.
payload: Cow<'static, str>,
terminator: SequenceTerminator,
}
impl SequenceBase {
fn new(payload: Cow<'static, str>, terminator: SequenceTerminator) -> Self {
Self { payload, terminator }
}
}
#[derive(Debug, Clone, Copy)]
pub enum SequenceTerminator {
/// The normal key esc sequence terminator defined by xterm/dec.
Normal(char),
/// The terminator is for kitty escape sequence.
Kitty,
}
impl SequenceTerminator {
fn encode_esc_sequence(self) -> char {
match self {
SequenceTerminator::Normal(char) => char,
SequenceTerminator::Kitty => 'u',
}
}
}
bitflags::bitflags! {
/// The modifiers encoding for escape sequence.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
struct SequenceModifiers : u8 {
const SHIFT = 0b0000_0001;
const ALT = 0b0000_0010;
const CONTROL = 0b0000_0100;
const SUPER = 0b0000_1000;
// NOTE: Kitty protocol defines additional modifiers to what is present here, like
// Capslock, but it's not a modifier as per winit.
}
}
impl SequenceModifiers {
/// Get the value which should be passed to escape sequence.
pub fn encode_esc_sequence(self) -> u8 {
self.bits() + 1
}
}
impl From<ModifiersState> for SequenceModifiers {
fn from(mods: ModifiersState) -> Self {
let mut modifiers = Self::empty();
modifiers.set(Self::SHIFT, mods.shift_key());
modifiers.set(Self::ALT, mods.alt_key());
modifiers.set(Self::CONTROL, mods.control_key());
modifiers.set(Self::SUPER, mods.super_key());
modifiers
}
}

143
alacritty/src/input.rs → alacritty/src/input/mod.rs
View file

@ -17,16 +17,12 @@ use std::time::{Duration, Instant};
use log::debug; use log::debug;
use winit::dpi::PhysicalPosition; use winit::dpi::PhysicalPosition;
use winit::event::{ use winit::event::{
ElementState, KeyEvent, Modifiers, MouseButton, MouseScrollDelta, Touch as TouchEvent, ElementState, Modifiers, MouseButton, MouseScrollDelta, Touch as TouchEvent, TouchPhase,
TouchPhase,
}; };
use winit::event_loop::EventLoopWindowTarget; use winit::event_loop::EventLoopWindowTarget;
use winit::keyboard::ModifiersState;
#[cfg(target_os = "macos")] #[cfg(target_os = "macos")]
use winit::keyboard::ModifiersKeyState; use winit::platform::macos::EventLoopWindowTargetExtMacOS;
use winit::keyboard::{Key, ModifiersState};
#[cfg(target_os = "macos")]
use winit::platform::macos::{EventLoopWindowTargetExtMacOS, OptionAsAlt};
use winit::platform::modifier_supplement::KeyEventExtModifierSupplement;
use winit::window::CursorIcon; use winit::window::CursorIcon;
use alacritty_terminal::event::EventListener; use alacritty_terminal::event::EventListener;
@ -39,19 +35,18 @@ use alacritty_terminal::vi_mode::ViMotion;
use alacritty_terminal::vte::ansi::{ClearMode, Handler}; use alacritty_terminal::vte::ansi::{ClearMode, Handler};
use crate::clipboard::Clipboard; use crate::clipboard::Clipboard;
use crate::config::{ use crate::config::{Action, BindingMode, MouseAction, SearchAction, UiConfig, ViAction};
Action, BindingKey, BindingMode, MouseAction, SearchAction, UiConfig, ViAction,
};
use crate::display::hint::HintMatch; use crate::display::hint::HintMatch;
use crate::display::window::Window; use crate::display::window::Window;
use crate::display::{Display, SizeInfo}; use crate::display::{Display, SizeInfo};
use crate::event::{ use crate::event::{
ClickState, Event, EventType, InlineSearchState, Mouse, TouchPurpose, TouchZoom, ClickState, Event, EventType, InlineSearchState, Mouse, TouchPurpose, TouchZoom,
TYPING_SEARCH_DELAY,
}; };
use crate::message_bar::{self, Message}; use crate::message_bar::{self, Message};
use crate::scheduler::{Scheduler, TimerId, Topic}; use crate::scheduler::{Scheduler, TimerId, Topic};
pub mod keyboard;
/// Font size change interval. /// Font size change interval.
pub const FONT_SIZE_STEP: f32 = 0.5; pub const FONT_SIZE_STEP: f32 = 0.5;
@ -1021,132 +1016,6 @@ impl<T: EventListener, A: ActionContext<T>> Processor<T, A> {
} }
} }
/// Process key input.
pub fn key_input(&mut self, key: KeyEvent) {
// IME input will be applied on commit and shouldn't trigger key bindings.
if key.state == ElementState::Released || self.ctx.display().ime.preedit().is_some() {
return;
}
let text = key.text_with_all_modifiers().unwrap_or_default();
// All key bindings are disabled while a hint is being selected.
if self.ctx.display().hint_state.active() {
for character in text.chars() {
self.ctx.hint_input(character);
}
return;
}
// First key after inline search is captured.
let inline_state = self.ctx.inline_search_state();
if mem::take(&mut inline_state.char_pending) {
if let Some(c) = text.chars().next() {
inline_state.character = Some(c);
// Immediately move to the captured character.
self.ctx.inline_search_next();
}
// Ignore all other characters in `text`.
return;
}
// Reset search delay when the user is still typing.
if self.ctx.search_active() {
let timer_id = TimerId::new(Topic::DelayedSearch, self.ctx.window().id());
let scheduler = self.ctx.scheduler_mut();
if let Some(timer) = scheduler.unschedule(timer_id) {
scheduler.schedule(timer.event, TYPING_SEARCH_DELAY, false, timer.id);
}
}
// Key bindings suppress the character input.
if self.process_key_bindings(&key) {
return;
}
if self.ctx.search_active() {
for character in text.chars() {
self.ctx.search_input(character);
}
return;
}
// Vi mode on its own doesn't have any input, the search input was done before.
if self.ctx.terminal().mode().contains(TermMode::VI) || text.is_empty() {
return;
}
self.ctx.on_terminal_input_start();
let mut bytes = Vec::with_capacity(text.len() + 1);
if self.alt_send_esc() && text.len() == 1 {
bytes.push(b'\x1b');
}
bytes.extend_from_slice(text.as_bytes());
self.ctx.write_to_pty(bytes);
}
/// Whether we should send `ESC` due to `Alt` being pressed.
#[cfg(not(target_os = "macos"))]
fn alt_send_esc(&mut self) -> bool {
self.ctx.modifiers().state().alt_key()
}
#[cfg(target_os = "macos")]
fn alt_send_esc(&mut self) -> bool {
let option_as_alt = self.ctx.config().window.option_as_alt();
self.ctx.modifiers().state().alt_key()
&& (option_as_alt == OptionAsAlt::Both
|| (option_as_alt == OptionAsAlt::OnlyLeft
&& self.ctx.modifiers().lalt_state() == ModifiersKeyState::Pressed)
|| (option_as_alt == OptionAsAlt::OnlyRight
&& self.ctx.modifiers().ralt_state() == ModifiersKeyState::Pressed))
}
/// Attempt to find a binding and execute its action.
///
/// The provided mode, mods, and key must match what is allowed by a binding
/// for its action to be executed.
fn process_key_bindings(&mut self, key: &KeyEvent) -> bool {
let mode = BindingMode::new(self.ctx.terminal().mode(), self.ctx.search_active());
let mods = self.ctx.modifiers().state();
// Don't suppress char if no bindings were triggered.
let mut suppress_chars = None;
for i in 0..self.ctx.config().key_bindings().len() {
let binding = &self.ctx.config().key_bindings()[i];
// We don't want the key without modifier, because it means something else most of
// the time. However what we want is to manually lowercase the character to account
// for both small and capital letters on regular characters at the same time.
let logical_key = if let Key::Character(ch) = key.logical_key.as_ref() {
Key::Character(ch.to_lowercase().into())
} else {
key.logical_key.clone()
};
let key = match (&binding.trigger, logical_key) {
(BindingKey::Scancode(_), _) => BindingKey::Scancode(key.physical_key),
(_, code) => BindingKey::Keycode { key: code, location: key.location },
};
if binding.is_triggered_by(mode, mods, &key) {
// Pass through the key if any of the bindings has the `ReceiveChar` action.
*suppress_chars.get_or_insert(true) &= binding.action != Action::ReceiveChar;
// Binding was triggered; run the action.
binding.action.clone().execute(&mut self.ctx);
}
}
suppress_chars.unwrap_or(false)
}
/// Check mouse icon state in relation to the message bar. /// Check mouse icon state in relation to the message bar.
fn message_bar_cursor_state(&self) -> Option<CursorIcon> { fn message_bar_cursor_state(&self) -> Option<CursorIcon> {
// Since search is above the message bar, the button is offset by search's height. // Since search is above the message bar, the button is offset by search's height.

182
alacritty_terminal/src/term/mod.rs
View file

@ -21,8 +21,9 @@ use crate::term::cell::{Cell, Flags, LineLength};
use crate::term::color::Colors; use crate::term::color::Colors;
use crate::vi_mode::{ViModeCursor, ViMotion}; use crate::vi_mode::{ViModeCursor, ViMotion};
use crate::vte::ansi::{ use crate::vte::ansi::{
self, Attr, CharsetIndex, Color, CursorShape, CursorStyle, Handler, Hyperlink, NamedColor, self, Attr, CharsetIndex, Color, CursorShape, CursorStyle, Handler, Hyperlink, KeyboardModes,
NamedMode, NamedPrivateMode, PrivateMode, Rgb, StandardCharset, KeyboardModesApplyBehavior, NamedColor, NamedMode, NamedPrivateMode, PrivateMode, Rgb,
StandardCharset,
}; };
pub mod cell; pub mod cell;
@ -43,33 +44,69 @@ const TITLE_STACK_MAX_DEPTH: usize = 4096;
/// Default semantic escape characters. /// Default semantic escape characters.
pub const SEMANTIC_ESCAPE_CHARS: &str = ",│`|:\"' ()[]{}<>\t"; pub const SEMANTIC_ESCAPE_CHARS: &str = ",│`|:\"' ()[]{}<>\t";
/// Max size of the keyboard modes.
const KEYBOARD_MODE_STACK_MAX_DEPTH: usize = TITLE_STACK_MAX_DEPTH;
/// Default tab interval, corresponding to terminfo `it` value. /// Default tab interval, corresponding to terminfo `it` value.
const INITIAL_TABSTOPS: usize = 8; const INITIAL_TABSTOPS: usize = 8;
bitflags! { bitflags! {
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct TermMode: u32 { pub struct TermMode: u32 {
const NONE = 0; const NONE = 0;
const SHOW_CURSOR = 0b0000_0000_0000_0000_0001; const SHOW_CURSOR = 0b0000_0000_0000_0000_0000_0001;
const APP_CURSOR = 0b0000_0000_0000_0000_0010; const APP_CURSOR = 0b0000_0000_0000_0000_0000_0010;
const APP_KEYPAD = 0b0000_0000_0000_0000_0100; const APP_KEYPAD = 0b0000_0000_0000_0000_0000_0100;
const MOUSE_REPORT_CLICK = 0b0000_0000_0000_0000_1000; const MOUSE_REPORT_CLICK = 0b0000_0000_0000_0000_0000_1000;
const BRACKETED_PASTE = 0b0000_0000_0000_0001_0000; const BRACKETED_PASTE = 0b0000_0000_0000_0000_0001_0000;
const SGR_MOUSE = 0b0000_0000_0000_0010_0000; const SGR_MOUSE = 0b0000_0000_0000_0000_0010_0000;
const MOUSE_MOTION = 0b0000_0000_0000_0100_0000; const MOUSE_MOTION = 0b0000_0000_0000_0000_0100_0000;
const LINE_WRAP = 0b0000_0000_0000_1000_0000; const LINE_WRAP = 0b0000_0000_0000_0000_1000_0000;
const LINE_FEED_NEW_LINE = 0b0000_0000_0001_0000_0000; const LINE_FEED_NEW_LINE = 0b0000_0000_0000_0001_0000_0000;
const ORIGIN = 0b0000_0000_0010_0000_0000; const ORIGIN = 0b0000_0000_0000_0010_0000_0000;
const INSERT = 0b0000_0000_0100_0000_0000; const INSERT = 0b0000_0000_0000_0100_0000_0000;
const FOCUS_IN_OUT = 0b0000_0000_1000_0000_0000; const FOCUS_IN_OUT = 0b0000_0000_0000_1000_0000_0000;
const ALT_SCREEN = 0b0000_0001_0000_0000_0000; const ALT_SCREEN = 0b0000_0000_0001_0000_0000_0000;
const MOUSE_DRAG = 0b0000_0010_0000_0000_0000; const MOUSE_DRAG = 0b0000_0000_0010_0000_0000_0000;
const MOUSE_MODE = 0b0000_0010_0000_0100_1000; const MOUSE_MODE = 0b0000_0000_0010_0000_0100_1000;
const UTF8_MOUSE = 0b0000_0100_0000_0000_0000; const UTF8_MOUSE = 0b0000_0000_0100_0000_0000_0000;
const ALTERNATE_SCROLL = 0b0000_1000_0000_0000_0000; const ALTERNATE_SCROLL = 0b0000_0000_1000_0000_0000_0000;
const VI = 0b0001_0000_0000_0000_0000; const VI = 0b0000_0001_0000_0000_0000_0000;
const URGENCY_HINTS = 0b0010_0000_0000_0000_0000; const URGENCY_HINTS = 0b0000_0010_0000_0000_0000_0000;
const ANY = u32::MAX; const DISAMBIGUATE_ESC_CODES = 0b0000_0100_0000_0000_0000_0000;
const REPORT_EVENT_TYPES = 0b0000_1000_0000_0000_0000_0000;
const REPORT_ALTERNATE_KEYS = 0b0001_0000_0000_0000_0000_0000;
const REPORT_ALL_KEYS_AS_ESC = 0b0010_0000_0000_0000_0000_0000;
const REPORT_ASSOCIATED_TEXT = 0b0100_0000_0000_0000_0000_0000;
const KITTY_KEYBOARD_PROTOCOL = Self::DISAMBIGUATE_ESC_CODES.bits()
| Self::REPORT_EVENT_TYPES.bits()
| Self::REPORT_ALTERNATE_KEYS.bits()
| Self::REPORT_ALL_KEYS_AS_ESC.bits()
| Self::REPORT_ASSOCIATED_TEXT.bits();
const ANY = u32::MAX;
}
}
impl From<KeyboardModes> for TermMode {
fn from(value: KeyboardModes) -> Self {
let mut mode = Self::empty();
let disambiguate_esc_codes = value.contains(KeyboardModes::DISAMBIGUATE_ESC_CODES);
mode.set(TermMode::DISAMBIGUATE_ESC_CODES, disambiguate_esc_codes);
let report_event_types = value.contains(KeyboardModes::REPORT_EVENT_TYPES);
mode.set(TermMode::REPORT_EVENT_TYPES, report_event_types);
let report_alternate_keys = value.contains(KeyboardModes::REPORT_ALTERNATE_KEYS);
mode.set(TermMode::REPORT_ALTERNATE_KEYS, report_alternate_keys);
let report_all_keys_as_esc = value.contains(KeyboardModes::REPORT_ALL_KEYS_AS_ESC);
mode.set(TermMode::REPORT_ALL_KEYS_AS_ESC, report_all_keys_as_esc);
let report_associated_text = value.contains(KeyboardModes::REPORT_ASSOCIATED_TEXT);
mode.set(TermMode::REPORT_ASSOCIATED_TEXT, report_associated_text);
mode
} }
} }
@ -279,6 +316,12 @@ pub struct Term<T> {
/// term is set. /// term is set.
title_stack: Vec<Option<String>>, title_stack: Vec<Option<String>>,
/// The stack for the keyboard modes.
keyboard_mode_stack: Vec<KeyboardModes>,
/// Currently inactive keyboard mode stack.
inactive_keyboard_mode_stack: Vec<KeyboardModes>,
/// Information about damaged cells. /// Information about damaged cells.
damage: TermDamageState, damage: TermDamageState,
@ -303,6 +346,9 @@ pub struct Config {
/// The default value is [`SEMANTIC_ESCAPE_CHARS`]. /// The default value is [`SEMANTIC_ESCAPE_CHARS`].
pub semantic_escape_chars: String, pub semantic_escape_chars: String,
/// Whether to enable kitty keyboard protocol.
pub kitty_keyboard: bool,
/// OSC52 support mode. /// OSC52 support mode.
pub osc52: Osc52, pub osc52: Osc52,
} }
@ -314,6 +360,7 @@ impl Default for Config {
semantic_escape_chars: SEMANTIC_ESCAPE_CHARS.to_owned(), semantic_escape_chars: SEMANTIC_ESCAPE_CHARS.to_owned(),
default_cursor_style: Default::default(), default_cursor_style: Default::default(),
vi_mode_cursor_style: Default::default(), vi_mode_cursor_style: Default::default(),
kitty_keyboard: Default::default(),
osc52: Default::default(), osc52: Default::default(),
} }
} }
@ -388,7 +435,9 @@ impl<T> Term<T> {
event_proxy, event_proxy,
is_focused: true, is_focused: true,
title: None, title: None,
title_stack: Vec::new(), title_stack: Default::default(),
keyboard_mode_stack: Default::default(),
inactive_keyboard_mode_stack: Default::default(),
selection: None, selection: None,
damage, damage,
config: options, config: options,
@ -451,7 +500,7 @@ impl<T> Term<T> {
where where
T: EventListener, T: EventListener,
{ {
self.config = options; let old_config = mem::replace(&mut self.config, options);
let title_event = match &self.title { let title_event = match &self.title {
Some(title) => Event::Title(title.clone()), Some(title) => Event::Title(title.clone()),
@ -466,6 +515,12 @@ impl<T> Term<T> {
self.grid.update_history(self.config.scrolling_history); self.grid.update_history(self.config.scrolling_history);
} }
if self.config.kitty_keyboard != old_config.kitty_keyboard {
self.keyboard_mode_stack = Vec::new();
self.inactive_keyboard_mode_stack = Vec::new();
self.mode.remove(TermMode::KITTY_KEYBOARD_PROTOCOL);
}
// Damage everything on config updates. // Damage everything on config updates.
self.mark_fully_damaged(); self.mark_fully_damaged();
} }
@ -668,6 +723,11 @@ impl<T> Term<T> {
self.inactive_grid.reset_region(..); self.inactive_grid.reset_region(..);
} }
mem::swap(&mut self.keyboard_mode_stack, &mut self.inactive_keyboard_mode_stack);
let keyboard_mode =
self.keyboard_mode_stack.last().copied().unwrap_or(KeyboardModes::NO_MODE).into();
self.set_keyboard_mode(keyboard_mode, KeyboardModesApplyBehavior::Replace);
mem::swap(&mut self.grid, &mut self.inactive_grid); mem::swap(&mut self.grid, &mut self.inactive_grid);
self.mode ^= TermMode::ALT_SCREEN; self.mode ^= TermMode::ALT_SCREEN;
self.selection = None; self.selection = None;
@ -959,6 +1019,19 @@ impl<T> Term<T> {
Point::new(self.grid.cursor.point.line.0 as usize, self.grid.cursor.point.column); Point::new(self.grid.cursor.point.line.0 as usize, self.grid.cursor.point.column);
self.damage.damage_point(point); self.damage.damage_point(point);
} }
#[inline]
fn set_keyboard_mode(&mut self, mode: TermMode, apply: KeyboardModesApplyBehavior) {
let active_mode = self.mode & TermMode::KITTY_KEYBOARD_PROTOCOL;
self.mode &= !TermMode::KITTY_KEYBOARD_PROTOCOL;
let new_mode = match apply {
KeyboardModesApplyBehavior::Replace => mode,
KeyboardModesApplyBehavior::Union => active_mode.union(mode),
KeyboardModesApplyBehavior::Difference => active_mode.difference(mode),
};
trace!("Setting keyboard mode to {new_mode:?}");
self.mode |= new_mode;
}
} }
impl<T> Dimensions for Term<T> { impl<T> Dimensions for Term<T> {
@ -1193,6 +1266,63 @@ impl<T: EventListener> Handler for Term<T> {
} }
} }
#[inline]
fn report_keyboard_mode(&mut self) {
if !self.config.kitty_keyboard {
return;
}
trace!("Reporting active keyboard mode");
let current_mode =
self.keyboard_mode_stack.last().unwrap_or(&KeyboardModes::NO_MODE).bits();
let text = format!("\x1b[?{current_mode}u");
self.event_proxy.send_event(Event::PtyWrite(text));
}
#[inline]
fn push_keyboard_mode(&mut self, mode: KeyboardModes) {
if !self.config.kitty_keyboard {
return;
}
trace!("Pushing `{mode:?}` keyboard mode into the stack");
if self.keyboard_mode_stack.len() >= KEYBOARD_MODE_STACK_MAX_DEPTH {
let removed = self.title_stack.remove(0);
trace!(
"Removing '{:?}' from bottom of keyboard mode stack that exceeds its maximum depth",
removed
);
}
self.keyboard_mode_stack.push(mode);
self.set_keyboard_mode(mode.into(), KeyboardModesApplyBehavior::Replace);
}
#[inline]
fn pop_keyboard_modes(&mut self, to_pop: u16) {
if !self.config.kitty_keyboard {
return;
}
trace!("Attemting to pop {to_pop} keyboard modes from the stack");
let new_len = self.keyboard_mode_stack.len().saturating_sub(to_pop as usize);
self.keyboard_mode_stack.truncate(new_len);
// Reload active mode.
let mode = self.keyboard_mode_stack.last().copied().unwrap_or(KeyboardModes::NO_MODE);
self.set_keyboard_mode(mode.into(), KeyboardModesApplyBehavior::Replace);
}
#[inline]
fn set_keyboard_mode(&mut self, mode: KeyboardModes, apply: KeyboardModesApplyBehavior) {
if !self.config.kitty_keyboard {
return;
}
self.set_keyboard_mode(mode.into(), apply);
}
#[inline] #[inline]
fn device_status(&mut self, arg: usize) { fn device_status(&mut self, arg: usize) {
trace!("Reporting device status: {}", arg); trace!("Reporting device status: {}", arg);
@ -1685,6 +1815,8 @@ impl<T: EventListener> Handler for Term<T> {
self.title = None; self.title = None;
self.selection = None; self.selection = None;
self.vi_mode_cursor = Default::default(); self.vi_mode_cursor = Default::default();
self.keyboard_mode_stack = Default::default();
self.inactive_keyboard_mode_stack = Default::default();
// Preserve vi mode across resets. // Preserve vi mode across resets.
self.mode &= TermMode::VI; self.mode &= TermMode::VI;

4
docs/escape_support.md
View file

@ -81,6 +81,10 @@ brevity.
| `CSI t` | PARTIAL | Only parameters `22` and `23` are supported | | `CSI t` | PARTIAL | Only parameters `22` and `23` are supported |
| | REJECTED | `1`-`13`, `15`, `19`-`21`, `24` | | | REJECTED | `1`-`13`, `15`, `19`-`21`, `24` |
| `CSI u` | IMPLEMENTED | | | `CSI u` | IMPLEMENTED | |
| `CSI ? u` | IMPLEMENTED | |
| `CSI = u` | IMPLEMENTED | |
| `CSI < u` | IMPLEMENTED | |
| `CSI > u` | IMPLEMENTED | |
| `CSI X` | IMPLEMENTED | | | `CSI X` | IMPLEMENTED | |
| `CSI Z` | IMPLEMENTED | | | `CSI Z` | IMPLEMENTED | |