cosmic-terminal/src/shortcuts.rs

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2025-12-29 20:42:52 -08:00
// SPDX-License-Identifier: GPL-3.0-only
use cosmic::widget::menu::key_bind::{KeyBind, Modifier};
use cosmic::{
cosmic_config::{self, CosmicConfigEntry, cosmic_config_derive::CosmicConfigEntry},
iced::keyboard::{Key, Modifiers},
iced_core::keyboard::key::Named,
};
use serde::{Deserialize, Serialize};
use std::collections::{BTreeMap, HashMap};
use crate::Action;
pub const SHORTCUTS_CONFIG_ID: &str = "com.system76.CosmicTerm.Shortcuts";
pub const SHORTCUTS_CONFIG_VERSION: u64 = 1;
#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
pub enum ModifierName {
Ctrl,
Shift,
Alt,
Super,
}
impl ModifierName {
fn to_modifier(self) -> Modifier {
match self {
Self::Ctrl => Modifier::Ctrl,
Self::Shift => Modifier::Shift,
Self::Alt => Modifier::Alt,
Self::Super => Modifier::Super,
}
}
}
#[derive(Clone, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
pub struct Binding {
pub modifiers: Vec<ModifierName>,
pub key: String,
}
impl Binding {
fn to_key_bind(&self) -> Option<KeyBind> {
let key = key_from_string(&self.key)?;
let mut modifiers = Vec::new();
for modifier in [
ModifierName::Ctrl,
ModifierName::Shift,
ModifierName::Alt,
ModifierName::Super,
] {
if self.modifiers.contains(&modifier) {
modifiers.push(modifier.to_modifier());
}
}
Some(KeyBind { modifiers, key })
}
}
#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize)]
pub enum KeyBindAction {
Unbind,
ClearScrollback,
Copy,
CopyOrSigint,
Find,
PaneFocusDown,
PaneFocusLeft,
PaneFocusRight,
PaneFocusUp,
PaneSplitHorizontal,
PaneSplitVertical,
PaneToggleMaximized,
Paste,
PastePrimary,
#[cfg_attr(not(feature = "password_manager"), allow(dead_code))]
PasswordManager,
SelectAll,
Settings,
TabActivate0,
TabActivate1,
TabActivate2,
TabActivate3,
TabActivate4,
TabActivate5,
TabActivate6,
TabActivate7,
TabActivate8,
TabClose,
TabNew,
TabNext,
TabPrev,
ToggleFullscreen,
WindowClose,
WindowNew,
ZoomIn,
ZoomOut,
ZoomReset,
}
impl KeyBindAction {
fn to_action(self) -> Option<Action> {
match self {
Self::Unbind => None,
Self::ClearScrollback => Some(Action::ClearScrollback),
Self::Copy => Some(Action::Copy),
Self::CopyOrSigint => Some(Action::CopyOrSigint),
Self::Find => Some(Action::Find),
Self::PaneFocusDown => Some(Action::PaneFocusDown),
Self::PaneFocusLeft => Some(Action::PaneFocusLeft),
Self::PaneFocusRight => Some(Action::PaneFocusRight),
Self::PaneFocusUp => Some(Action::PaneFocusUp),
Self::PaneSplitHorizontal => Some(Action::PaneSplitHorizontal),
Self::PaneSplitVertical => Some(Action::PaneSplitVertical),
Self::PaneToggleMaximized => Some(Action::PaneToggleMaximized),
Self::Paste => Some(Action::Paste),
Self::PastePrimary => Some(Action::PastePrimary),
Self::SelectAll => Some(Action::SelectAll),
Self::Settings => Some(Action::Settings),
Self::TabActivate0 => Some(Action::TabActivate0),
Self::TabActivate1 => Some(Action::TabActivate1),
Self::TabActivate2 => Some(Action::TabActivate2),
Self::TabActivate3 => Some(Action::TabActivate3),
Self::TabActivate4 => Some(Action::TabActivate4),
Self::TabActivate5 => Some(Action::TabActivate5),
Self::TabActivate6 => Some(Action::TabActivate6),
Self::TabActivate7 => Some(Action::TabActivate7),
Self::TabActivate8 => Some(Action::TabActivate8),
Self::TabClose => Some(Action::TabClose),
Self::TabNew => Some(Action::TabNew),
Self::TabNext => Some(Action::TabNext),
Self::TabPrev => Some(Action::TabPrev),
Self::ToggleFullscreen => Some(Action::ToggleFullscreen),
Self::WindowClose => Some(Action::WindowClose),
Self::WindowNew => Some(Action::WindowNew),
Self::ZoomIn => Some(Action::ZoomIn),
Self::ZoomOut => Some(Action::ZoomOut),
Self::ZoomReset => Some(Action::ZoomReset),
Self::PasswordManager => {
#[cfg(feature = "password_manager")]
{
Some(Action::PasswordManager)
}
#[cfg(not(feature = "password_manager"))]
{
None
}
}
}
}
}
#[derive(Clone, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
#[serde(transparent)]
pub struct Shortcuts(pub BTreeMap<Binding, KeyBindAction>);
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum BindingSource {
Default,
Custom,
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct ResolvedBinding {
pub binding: Binding,
pub source: BindingSource,
}
#[derive(Clone, Debug, Default, Deserialize, Eq, PartialEq, Serialize, CosmicConfigEntry)]
pub struct ShortcutsConfig {
pub defaults: Shortcuts,
pub custom: Shortcuts,
}
impl ShortcutsConfig {
pub fn key_binds(&self) -> HashMap<KeyBind, Action> {
let mut binds = HashMap::new();
insert_shortcuts(&self.defaults, &mut binds, false);
insert_shortcuts(&self.custom, &mut binds, true);
binds
}
pub fn bindings_for_action(&self, action: KeyBindAction) -> Vec<ResolvedBinding> {
let mut bindings = Vec::new();
for (binding, default_action) in &self.defaults.0 {
if *default_action != action {
continue;
}
match self.custom.0.get(binding) {
Some(KeyBindAction::Unbind) => (),
Some(custom_action) => {
if *custom_action == action {
bindings.push(ResolvedBinding {
binding: binding.clone(),
source: BindingSource::Custom,
});
}
}
None => bindings.push(ResolvedBinding {
binding: binding.clone(),
source: BindingSource::Default,
}),
}
}
for (binding, custom_action) in &self.custom.0 {
if *custom_action == action
&& !bindings.iter().any(|resolved| resolved.binding == *binding)
{
bindings.push(ResolvedBinding {
binding: binding.clone(),
source: BindingSource::Custom,
});
}
}
bindings
}
}
pub fn load() -> (Option<cosmic_config::Config>, ShortcutsConfig) {
match cosmic_config::Config::new(SHORTCUTS_CONFIG_ID, SHORTCUTS_CONFIG_VERSION) {
Ok(config_handler) => {
let config = match ShortcutsConfig::get_entry(&config_handler) {
Ok(config) => config,
Err((errors, config)) => {
log::info!("errors loading shortcuts config: {:?}", errors);
config
}
};
(Some(config_handler), config)
}
Err(err) => {
log::error!("failed to create shortcuts config handler: {}", err);
(None, ShortcutsConfig::default())
}
}
}
pub fn action_label(action: KeyBindAction) -> &'static str {
match action {
KeyBindAction::Unbind => "Unbind",
KeyBindAction::ClearScrollback => "Clear scrollback",
KeyBindAction::Copy => "Copy",
KeyBindAction::CopyOrSigint => "Copy or SIGINT",
KeyBindAction::Find => "Find",
KeyBindAction::PaneFocusDown => "Focus pane down",
KeyBindAction::PaneFocusLeft => "Focus pane left",
KeyBindAction::PaneFocusRight => "Focus pane right",
KeyBindAction::PaneFocusUp => "Focus pane up",
KeyBindAction::PaneSplitHorizontal => "Split pane horizontally",
KeyBindAction::PaneSplitVertical => "Split pane vertically",
KeyBindAction::PaneToggleMaximized => "Toggle pane maximized",
KeyBindAction::Paste => "Paste",
KeyBindAction::PastePrimary => "Paste primary",
KeyBindAction::PasswordManager => "Password manager",
KeyBindAction::SelectAll => "Select all",
KeyBindAction::Settings => "Settings",
KeyBindAction::TabActivate0 => "Activate tab 1",
KeyBindAction::TabActivate1 => "Activate tab 2",
KeyBindAction::TabActivate2 => "Activate tab 3",
KeyBindAction::TabActivate3 => "Activate tab 4",
KeyBindAction::TabActivate4 => "Activate tab 5",
KeyBindAction::TabActivate5 => "Activate tab 6",
KeyBindAction::TabActivate6 => "Activate tab 7",
KeyBindAction::TabActivate7 => "Activate tab 8",
KeyBindAction::TabActivate8 => "Activate tab 9",
KeyBindAction::TabClose => "Close tab",
KeyBindAction::TabNew => "New tab",
KeyBindAction::TabNext => "Next tab",
KeyBindAction::TabPrev => "Previous tab",
KeyBindAction::ToggleFullscreen => "Toggle fullscreen",
KeyBindAction::WindowClose => "Close window",
KeyBindAction::WindowNew => "New window",
KeyBindAction::ZoomIn => "Zoom in",
KeyBindAction::ZoomOut => "Zoom out",
KeyBindAction::ZoomReset => "Reset zoom",
}
}
pub struct ShortcutGroup {
pub title: &'static str,
pub actions: Vec<KeyBindAction>,
}
pub fn shortcut_groups() -> Vec<ShortcutGroup> {
let mut groups = Vec::new();
groups.push(ShortcutGroup {
title: "Clipboard",
actions: vec![
KeyBindAction::SelectAll,
KeyBindAction::Copy,
KeyBindAction::CopyOrSigint,
KeyBindAction::Paste,
KeyBindAction::PastePrimary,
KeyBindAction::Find,
],
});
groups.push(ShortcutGroup {
title: "Tabs",
actions: vec![
KeyBindAction::TabNew,
KeyBindAction::TabClose,
KeyBindAction::TabNext,
KeyBindAction::TabPrev,
KeyBindAction::TabActivate0,
KeyBindAction::TabActivate1,
KeyBindAction::TabActivate2,
KeyBindAction::TabActivate3,
KeyBindAction::TabActivate4,
KeyBindAction::TabActivate5,
KeyBindAction::TabActivate6,
KeyBindAction::TabActivate7,
KeyBindAction::TabActivate8,
],
});
groups.push(ShortcutGroup {
title: "Splits",
actions: vec![
KeyBindAction::PaneSplitHorizontal,
KeyBindAction::PaneSplitVertical,
KeyBindAction::PaneToggleMaximized,
KeyBindAction::PaneFocusLeft,
KeyBindAction::PaneFocusRight,
KeyBindAction::PaneFocusUp,
KeyBindAction::PaneFocusDown,
],
});
groups.push(ShortcutGroup {
title: "Window",
actions: vec![
KeyBindAction::WindowNew,
KeyBindAction::WindowClose,
KeyBindAction::ToggleFullscreen,
KeyBindAction::Settings,
],
});
groups.push(ShortcutGroup {
title: "Zoom",
actions: vec![
KeyBindAction::ZoomIn,
KeyBindAction::ZoomOut,
KeyBindAction::ZoomReset,
],
});
let mut other_actions = vec![KeyBindAction::ClearScrollback];
#[cfg(feature = "password_manager")]
other_actions.push(KeyBindAction::PasswordManager);
groups.push(ShortcutGroup {
title: "Other",
actions: other_actions,
});
groups
}
pub fn binding_display(binding: &Binding) -> String {
binding
.to_key_bind()
.map(|key_bind| key_bind.to_string())
.unwrap_or_else(|| binding.key.clone())
}
pub fn binding_from_key(modifiers: Modifiers, key: Key) -> Option<Binding> {
if is_modifier_only_key(&key) {
return None;
}
let key = key_to_string(&key)?;
let mut binding_modifiers = Vec::new();
if modifiers.control() {
binding_modifiers.push(ModifierName::Ctrl);
}
if modifiers.shift() {
binding_modifiers.push(ModifierName::Shift);
}
if modifiers.alt() {
binding_modifiers.push(ModifierName::Alt);
}
if modifiers.logo() {
binding_modifiers.push(ModifierName::Super);
}
Some(Binding {
modifiers: binding_modifiers,
key,
})
}
fn insert_shortcuts(
shortcuts: &Shortcuts,
binds: &mut HashMap<KeyBind, Action>,
allow_unbind: bool,
) {
for (binding, action) in &shortcuts.0 {
let key_bind = match binding.to_key_bind() {
Some(key_bind) => key_bind,
None => {
log::warn!("invalid key binding: {:?}", binding);
continue;
}
};
if allow_unbind && *action == KeyBindAction::Unbind {
binds.remove(&key_bind);
continue;
}
let Some(action) = action.to_action() else {
log::warn!("unsupported shortcut action: {:?}", action);
continue;
};
binds.insert(key_bind, action);
}
}
fn key_from_string(value: &str) -> Option<Key> {
match value {
"Copy" => Some(Key::Named(Named::Copy)),
"Paste" => Some(Key::Named(Named::Paste)),
"Insert" => Some(Key::Named(Named::Insert)),
"Tab" => Some(Key::Named(Named::Tab)),
"F11" => Some(Key::Named(Named::F11)),
"ArrowLeft" | "Left" => Some(Key::Named(Named::ArrowLeft)),
"ArrowRight" | "Right" => Some(Key::Named(Named::ArrowRight)),
"ArrowUp" | "Up" => Some(Key::Named(Named::ArrowUp)),
"ArrowDown" | "Down" => Some(Key::Named(Named::ArrowDown)),
"Space" | "space" => Some(Key::Character(" ".into())),
_ if !value.is_empty() => Some(Key::Character(value.into())),
_ => None,
}
}
fn key_to_string(key: &Key) -> Option<String> {
match key {
Key::Character(c) => {
if c == " " {
Some("Space".to_string())
} else if c.len() == 1 && c.chars().all(|ch| ch.is_ascii_alphabetic()) {
Some(c.to_uppercase())
} else {
Some(c.to_string())
}
}
Key::Named(named) => Some(format!("{named:?}")),
_ => None,
}
}
fn is_modifier_only_key(key: &Key) -> bool {
matches!(
key,
Key::Named(
Named::Alt
| Named::AltGraph
| Named::CapsLock
| Named::Control
| Named::Fn
| Named::FnLock
| Named::NumLock
| Named::ScrollLock
| Named::Shift
| Named::Symbol
| Named::SymbolLock
| Named::Meta
| Named::Hyper
| Named::Super
)
)
}