keybindings.rs

   1use std::{
   2    ops::{Not, Range},
   3    sync::Arc,
   4};
   5
   6use anyhow::{Context as _, anyhow};
   7use collections::{HashMap, HashSet};
   8use editor::{CompletionProvider, Editor, EditorEvent};
   9use feature_flags::FeatureFlagViewExt;
  10use fs::Fs;
  11use fuzzy::{StringMatch, StringMatchCandidate};
  12use gpui::{
  13    AppContext as _, AsyncApp, Context, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable,
  14    Global, KeyContext, Keystroke, ModifiersChangedEvent, ScrollStrategy, StyledText, Subscription,
  15    WeakEntity, actions, div,
  16};
  17use language::{Language, LanguageConfig, ToOffset as _};
  18use settings::{BaseKeymap, KeybindSource, KeymapFile, SettingsAssets};
  19
  20use util::ResultExt;
  21
  22use ui::{
  23    ActiveTheme as _, App, BorrowAppContext, ContextMenu, ParentElement as _, Render, SharedString,
  24    Styled as _, Tooltip, Window, prelude::*, right_click_menu,
  25};
  26use workspace::{Item, ModalView, SerializableItem, Workspace, register_serializable_item};
  27
  28use crate::{
  29    SettingsUiFeatureFlag,
  30    keybindings::persistence::KEYBINDING_EDITORS,
  31    ui_components::table::{Table, TableInteractionState},
  32};
  33
  34const NO_ACTION_ARGUMENTS_TEXT: SharedString = SharedString::new_static("<no arguments>");
  35
  36actions!(
  37    zed,
  38    [
  39        /// Opens the keymap editor.
  40        OpenKeymapEditor
  41    ]
  42);
  43
  44const KEYMAP_EDITOR_NAMESPACE: &'static str = "keymap_editor";
  45actions!(
  46    keymap_editor,
  47    [
  48        /// Edits the selected key binding.
  49        EditBinding,
  50        /// Creates a new key binding for the selected action.
  51        CreateBinding,
  52        /// Copies the action name to clipboard.
  53        CopyAction,
  54        /// Copies the context predicate to clipboard.
  55        CopyContext
  56    ]
  57);
  58
  59pub fn init(cx: &mut App) {
  60    let keymap_event_channel = KeymapEventChannel::new();
  61    cx.set_global(keymap_event_channel);
  62
  63    cx.on_action(|_: &OpenKeymapEditor, cx| {
  64        workspace::with_active_or_new_workspace(cx, move |workspace, window, cx| {
  65            let existing = workspace
  66                .active_pane()
  67                .read(cx)
  68                .items()
  69                .find_map(|item| item.downcast::<KeymapEditor>());
  70
  71            if let Some(existing) = existing {
  72                workspace.activate_item(&existing, true, true, window, cx);
  73            } else {
  74                let keymap_editor =
  75                    cx.new(|cx| KeymapEditor::new(workspace.weak_handle(), window, cx));
  76                workspace.add_item_to_active_pane(Box::new(keymap_editor), None, true, window, cx);
  77            }
  78        });
  79    });
  80
  81    cx.observe_new(|_workspace: &mut Workspace, window, cx| {
  82        let Some(window) = window else { return };
  83
  84        let keymap_ui_actions = [std::any::TypeId::of::<OpenKeymapEditor>()];
  85
  86        command_palette_hooks::CommandPaletteFilter::update_global(cx, |filter, _cx| {
  87            filter.hide_action_types(&keymap_ui_actions);
  88            filter.hide_namespace(KEYMAP_EDITOR_NAMESPACE);
  89        });
  90
  91        cx.observe_flag::<SettingsUiFeatureFlag, _>(
  92            window,
  93            move |is_enabled, _workspace, _, cx| {
  94                if is_enabled {
  95                    command_palette_hooks::CommandPaletteFilter::update_global(
  96                        cx,
  97                        |filter, _cx| {
  98                            filter.show_action_types(keymap_ui_actions.iter());
  99                            filter.show_namespace(KEYMAP_EDITOR_NAMESPACE);
 100                        },
 101                    );
 102                } else {
 103                    command_palette_hooks::CommandPaletteFilter::update_global(
 104                        cx,
 105                        |filter, _cx| {
 106                            filter.hide_action_types(&keymap_ui_actions);
 107                            filter.hide_namespace(KEYMAP_EDITOR_NAMESPACE);
 108                        },
 109                    );
 110                }
 111            },
 112        )
 113        .detach();
 114    })
 115    .detach();
 116
 117    register_serializable_item::<KeymapEditor>(cx);
 118}
 119
 120pub struct KeymapEventChannel {}
 121
 122impl Global for KeymapEventChannel {}
 123
 124impl KeymapEventChannel {
 125    fn new() -> Self {
 126        Self {}
 127    }
 128
 129    pub fn trigger_keymap_changed(cx: &mut App) {
 130        let Some(_event_channel) = cx.try_global::<Self>() else {
 131            // don't panic if no global defined. This usually happens in tests
 132            return;
 133        };
 134        cx.update_global(|_event_channel: &mut Self, _| {
 135            /* triggers observers in KeymapEditors */
 136        });
 137    }
 138}
 139
 140#[derive(Default, PartialEq)]
 141enum FilterState {
 142    #[default]
 143    All,
 144    Conflicts,
 145}
 146
 147impl FilterState {
 148    fn invert(&self) -> Self {
 149        match self {
 150            FilterState::All => FilterState::Conflicts,
 151            FilterState::Conflicts => FilterState::All,
 152        }
 153    }
 154}
 155
 156struct KeymapEditor {
 157    workspace: WeakEntity<Workspace>,
 158    focus_handle: FocusHandle,
 159    _keymap_subscription: Subscription,
 160    keybindings: Vec<ProcessedKeybinding>,
 161    conflicts: Vec<usize>,
 162    filter_state: FilterState,
 163    // corresponds 1 to 1 with keybindings
 164    string_match_candidates: Arc<Vec<StringMatchCandidate>>,
 165    matches: Vec<StringMatch>,
 166    table_interaction_state: Entity<TableInteractionState>,
 167    filter_editor: Entity<Editor>,
 168    selected_index: Option<usize>,
 169}
 170
 171impl EventEmitter<()> for KeymapEditor {}
 172
 173impl Focusable for KeymapEditor {
 174    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
 175        return self.filter_editor.focus_handle(cx);
 176    }
 177}
 178
 179impl KeymapEditor {
 180    fn new(workspace: WeakEntity<Workspace>, window: &mut Window, cx: &mut Context<Self>) -> Self {
 181        let focus_handle = cx.focus_handle();
 182
 183        let _keymap_subscription =
 184            cx.observe_global::<KeymapEventChannel>(Self::update_keybindings);
 185        let table_interaction_state = TableInteractionState::new(window, cx);
 186
 187        let filter_editor = cx.new(|cx| {
 188            let mut editor = Editor::single_line(window, cx);
 189            editor.set_placeholder_text("Filter action names…", cx);
 190            editor
 191        });
 192
 193        cx.subscribe(&filter_editor, |this, _, e: &EditorEvent, cx| {
 194            if !matches!(e, EditorEvent::BufferEdited) {
 195                return;
 196            }
 197
 198            this.update_matches(cx);
 199        })
 200        .detach();
 201
 202        let mut this = Self {
 203            workspace,
 204            keybindings: vec![],
 205            conflicts: Vec::default(),
 206            filter_state: FilterState::default(),
 207            string_match_candidates: Arc::new(vec![]),
 208            matches: vec![],
 209            focus_handle: focus_handle.clone(),
 210            _keymap_subscription,
 211            table_interaction_state,
 212            filter_editor,
 213            selected_index: None,
 214        };
 215
 216        this.update_keybindings(cx);
 217
 218        this
 219    }
 220
 221    fn current_query(&self, cx: &mut Context<Self>) -> String {
 222        self.filter_editor.read(cx).text(cx)
 223    }
 224
 225    fn update_matches(&self, cx: &mut Context<Self>) {
 226        let query = self.current_query(cx);
 227
 228        cx.spawn(async move |this, cx| Self::process_query(this, query, cx).await)
 229            .detach();
 230    }
 231
 232    async fn process_query(
 233        this: WeakEntity<Self>,
 234        query: String,
 235        cx: &mut AsyncApp,
 236    ) -> anyhow::Result<()> {
 237        let query = command_palette::normalize_action_query(&query);
 238        let (string_match_candidates, keybind_count) = this.read_with(cx, |this, _| {
 239            (this.string_match_candidates.clone(), this.keybindings.len())
 240        })?;
 241        let executor = cx.background_executor().clone();
 242        let mut matches = fuzzy::match_strings(
 243            &string_match_candidates,
 244            &query,
 245            true,
 246            true,
 247            keybind_count,
 248            &Default::default(),
 249            executor,
 250        )
 251        .await;
 252        this.update(cx, |this, cx| {
 253            match this.filter_state {
 254                FilterState::Conflicts => {
 255                    matches.retain(|candidate| this.conflicts.contains(&candidate.candidate_id));
 256                }
 257                FilterState::All => {}
 258            }
 259
 260            if query.is_empty() {
 261                // apply default sort
 262                // sorts by source precedence, and alphabetically by action name within each source
 263                matches.sort_by_key(|match_item| {
 264                    let keybind = &this.keybindings[match_item.candidate_id];
 265                    let source = keybind.source.as_ref().map(|s| s.0);
 266                    use KeybindSource::*;
 267                    let source_precedence = match source {
 268                        Some(User) => 0,
 269                        Some(Vim) => 1,
 270                        Some(Base) => 2,
 271                        Some(Default) => 3,
 272                        None => 4,
 273                    };
 274                    return (source_precedence, keybind.action_name.as_ref());
 275                });
 276            }
 277            this.selected_index.take();
 278            this.scroll_to_item(0, ScrollStrategy::Top, cx);
 279            this.matches = matches;
 280            cx.notify();
 281        })
 282    }
 283
 284    fn process_bindings(
 285        json_language: Arc<Language>,
 286        rust_language: Arc<Language>,
 287        cx: &mut App,
 288    ) -> (Vec<ProcessedKeybinding>, Vec<StringMatchCandidate>) {
 289        let key_bindings_ptr = cx.key_bindings();
 290        let lock = key_bindings_ptr.borrow();
 291        let key_bindings = lock.bindings();
 292        let mut unmapped_action_names =
 293            HashSet::from_iter(cx.all_action_names().into_iter().copied());
 294        let action_documentation = cx.action_documentation();
 295        let mut generator = KeymapFile::action_schema_generator();
 296        let action_schema = HashMap::from_iter(
 297            cx.action_schemas(&mut generator)
 298                .into_iter()
 299                .filter_map(|(name, schema)| schema.map(|schema| (name, schema))),
 300        );
 301
 302        let mut processed_bindings = Vec::new();
 303        let mut string_match_candidates = Vec::new();
 304
 305        for key_binding in key_bindings {
 306            let source = key_binding.meta().map(settings::KeybindSource::from_meta);
 307
 308            let keystroke_text = ui::text_for_keystrokes(key_binding.keystrokes(), cx);
 309            let ui_key_binding = Some(
 310                ui::KeyBinding::new_from_gpui(key_binding.clone(), cx)
 311                    .vim_mode(source == Some(settings::KeybindSource::Vim)),
 312            );
 313
 314            let context = key_binding
 315                .predicate()
 316                .map(|predicate| {
 317                    KeybindContextString::Local(predicate.to_string().into(), rust_language.clone())
 318                })
 319                .unwrap_or(KeybindContextString::Global);
 320
 321            let source = source.map(|source| (source, source.name().into()));
 322
 323            let action_name = key_binding.action().name();
 324            unmapped_action_names.remove(&action_name);
 325            let action_input = key_binding
 326                .action_input()
 327                .map(|input| SyntaxHighlightedText::new(input, json_language.clone()));
 328            let action_docs = action_documentation.get(action_name).copied();
 329
 330            let index = processed_bindings.len();
 331            let string_match_candidate = StringMatchCandidate::new(index, &action_name);
 332            processed_bindings.push(ProcessedKeybinding {
 333                keystroke_text: keystroke_text.into(),
 334                ui_key_binding,
 335                action_name: action_name.into(),
 336                action_input,
 337                action_docs,
 338                action_schema: action_schema.get(action_name).cloned(),
 339                context: Some(context),
 340                source,
 341            });
 342            string_match_candidates.push(string_match_candidate);
 343        }
 344
 345        let empty = SharedString::new_static("");
 346        for action_name in unmapped_action_names.into_iter() {
 347            let index = processed_bindings.len();
 348            let string_match_candidate = StringMatchCandidate::new(index, &action_name);
 349            processed_bindings.push(ProcessedKeybinding {
 350                keystroke_text: empty.clone(),
 351                ui_key_binding: None,
 352                action_name: action_name.into(),
 353                action_input: None,
 354                action_docs: action_documentation.get(action_name).copied(),
 355                action_schema: action_schema.get(action_name).cloned(),
 356                context: None,
 357                source: None,
 358            });
 359            string_match_candidates.push(string_match_candidate);
 360        }
 361
 362        (processed_bindings, string_match_candidates)
 363    }
 364
 365    fn update_keybindings(&mut self, cx: &mut Context<KeymapEditor>) {
 366        let workspace = self.workspace.clone();
 367        cx.spawn(async move |this, cx| {
 368            let json_language = load_json_language(workspace.clone(), cx).await;
 369            let rust_language = load_rust_language(workspace.clone(), cx).await;
 370
 371            let query = this.update(cx, |this, cx| {
 372                let (key_bindings, string_match_candidates) =
 373                    Self::process_bindings(json_language, rust_language, cx);
 374
 375                let mut conflicts: HashMap<_, Vec<usize>> = HashMap::default();
 376
 377                key_bindings
 378                    .iter()
 379                    .enumerate()
 380                    .filter(|(_, binding)| !binding.keystroke_text.is_empty())
 381                    .for_each(|(index, binding)| {
 382                        conflicts
 383                            .entry(binding.get_action_mapping())
 384                            .or_default()
 385                            .push(index);
 386                    });
 387
 388                this.conflicts = conflicts
 389                    .into_values()
 390                    .filter(|indices| indices.len() > 1)
 391                    .flatten()
 392                    .collect();
 393
 394                if this.conflicts.is_empty() {
 395                    this.filter_state = FilterState::All;
 396                }
 397
 398                this.keybindings = key_bindings;
 399                this.string_match_candidates = Arc::new(string_match_candidates);
 400                this.matches = this
 401                    .string_match_candidates
 402                    .iter()
 403                    .enumerate()
 404                    .map(|(ix, candidate)| StringMatch {
 405                        candidate_id: ix,
 406                        score: 0.0,
 407                        positions: vec![],
 408                        string: candidate.string.clone(),
 409                    })
 410                    .collect();
 411                this.current_query(cx)
 412            })?;
 413            // calls cx.notify
 414            Self::process_query(this, query, cx).await
 415        })
 416        .detach_and_log_err(cx);
 417    }
 418
 419    fn dispatch_context(&self, _window: &Window, _cx: &Context<Self>) -> KeyContext {
 420        let mut dispatch_context = KeyContext::new_with_defaults();
 421        dispatch_context.add("KeymapEditor");
 422        dispatch_context.add("menu");
 423
 424        dispatch_context
 425    }
 426
 427    fn scroll_to_item(&self, index: usize, strategy: ScrollStrategy, cx: &mut App) {
 428        let index = usize::min(index, self.matches.len().saturating_sub(1));
 429        self.table_interaction_state.update(cx, |this, _cx| {
 430            this.scroll_handle.scroll_to_item(index, strategy);
 431        });
 432    }
 433
 434    fn focus_search(
 435        &mut self,
 436        _: &search::FocusSearch,
 437        window: &mut Window,
 438        cx: &mut Context<Self>,
 439    ) {
 440        if !self
 441            .filter_editor
 442            .focus_handle(cx)
 443            .contains_focused(window, cx)
 444        {
 445            window.focus(&self.filter_editor.focus_handle(cx));
 446        } else {
 447            self.filter_editor.update(cx, |editor, cx| {
 448                editor.select_all(&Default::default(), window, cx);
 449            });
 450        }
 451        self.selected_index.take();
 452    }
 453
 454    fn selected_binding(&self) -> Option<&ProcessedKeybinding> {
 455        self.selected_index
 456            .and_then(|match_index| self.matches.get(match_index))
 457            .map(|r#match| r#match.candidate_id)
 458            .and_then(|keybind_index| self.keybindings.get(keybind_index))
 459    }
 460
 461    fn select_next(&mut self, _: &menu::SelectNext, window: &mut Window, cx: &mut Context<Self>) {
 462        if let Some(selected) = self.selected_index {
 463            let selected = selected + 1;
 464            if selected >= self.matches.len() {
 465                self.select_last(&Default::default(), window, cx);
 466            } else {
 467                self.selected_index = Some(selected);
 468                self.scroll_to_item(selected, ScrollStrategy::Center, cx);
 469                cx.notify();
 470            }
 471        } else {
 472            self.select_first(&Default::default(), window, cx);
 473        }
 474    }
 475
 476    fn select_previous(
 477        &mut self,
 478        _: &menu::SelectPrevious,
 479        window: &mut Window,
 480        cx: &mut Context<Self>,
 481    ) {
 482        if let Some(selected) = self.selected_index {
 483            if selected == 0 {
 484                return;
 485            }
 486
 487            let selected = selected - 1;
 488
 489            if selected >= self.matches.len() {
 490                self.select_last(&Default::default(), window, cx);
 491            } else {
 492                self.selected_index = Some(selected);
 493                self.scroll_to_item(selected, ScrollStrategy::Center, cx);
 494                cx.notify();
 495            }
 496        } else {
 497            self.select_last(&Default::default(), window, cx);
 498        }
 499    }
 500
 501    fn select_first(
 502        &mut self,
 503        _: &menu::SelectFirst,
 504        _window: &mut Window,
 505        cx: &mut Context<Self>,
 506    ) {
 507        if self.matches.get(0).is_some() {
 508            self.selected_index = Some(0);
 509            self.scroll_to_item(0, ScrollStrategy::Center, cx);
 510            cx.notify();
 511        }
 512    }
 513
 514    fn select_last(&mut self, _: &menu::SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
 515        if self.matches.last().is_some() {
 516            let index = self.matches.len() - 1;
 517            self.selected_index = Some(index);
 518            self.scroll_to_item(index, ScrollStrategy::Center, cx);
 519            cx.notify();
 520        }
 521    }
 522
 523    fn confirm(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
 524        self.open_edit_keybinding_modal(false, window, cx);
 525    }
 526
 527    fn open_edit_keybinding_modal(
 528        &mut self,
 529        create: bool,
 530        window: &mut Window,
 531        cx: &mut Context<Self>,
 532    ) {
 533        let Some(keybind) = self.selected_binding().cloned() else {
 534            return;
 535        };
 536        self.workspace
 537            .update(cx, |workspace, cx| {
 538                let fs = workspace.app_state().fs.clone();
 539                let workspace_weak = cx.weak_entity();
 540                workspace.toggle_modal(window, cx, |window, cx| {
 541                    let modal =
 542                        KeybindingEditorModal::new(create, keybind, workspace_weak, fs, window, cx);
 543                    window.focus(&modal.focus_handle(cx));
 544                    modal
 545                });
 546            })
 547            .log_err();
 548    }
 549
 550    fn edit_binding(&mut self, _: &EditBinding, window: &mut Window, cx: &mut Context<Self>) {
 551        self.open_edit_keybinding_modal(false, window, cx);
 552    }
 553
 554    fn create_binding(&mut self, _: &CreateBinding, window: &mut Window, cx: &mut Context<Self>) {
 555        self.open_edit_keybinding_modal(true, window, cx);
 556    }
 557
 558    fn copy_context_to_clipboard(
 559        &mut self,
 560        _: &CopyContext,
 561        _window: &mut Window,
 562        cx: &mut Context<Self>,
 563    ) {
 564        let context = self
 565            .selected_binding()
 566            .and_then(|binding| binding.context.as_ref())
 567            .and_then(KeybindContextString::local_str)
 568            .map(|context| context.to_string());
 569        let Some(context) = context else {
 570            return;
 571        };
 572        cx.write_to_clipboard(gpui::ClipboardItem::new_string(context.clone()));
 573    }
 574
 575    fn copy_action_to_clipboard(
 576        &mut self,
 577        _: &CopyAction,
 578        _window: &mut Window,
 579        cx: &mut Context<Self>,
 580    ) {
 581        let action = self
 582            .selected_binding()
 583            .map(|binding| binding.action_name.to_string());
 584        let Some(action) = action else {
 585            return;
 586        };
 587        cx.write_to_clipboard(gpui::ClipboardItem::new_string(action.clone()));
 588    }
 589}
 590
 591#[derive(Clone)]
 592struct ProcessedKeybinding {
 593    keystroke_text: SharedString,
 594    ui_key_binding: Option<ui::KeyBinding>,
 595    action_name: SharedString,
 596    action_input: Option<SyntaxHighlightedText>,
 597    action_docs: Option<&'static str>,
 598    action_schema: Option<schemars::Schema>,
 599    context: Option<KeybindContextString>,
 600    source: Option<(KeybindSource, SharedString)>,
 601}
 602
 603impl ProcessedKeybinding {
 604    fn get_action_mapping(&self) -> (SharedString, Option<SharedString>) {
 605        (
 606            self.keystroke_text.clone(),
 607            self.context
 608                .as_ref()
 609                .and_then(|context| context.local())
 610                .cloned(),
 611        )
 612    }
 613}
 614
 615#[derive(Clone, Debug, IntoElement, PartialEq, Eq, Hash)]
 616enum KeybindContextString {
 617    Global,
 618    Local(SharedString, Arc<Language>),
 619}
 620
 621impl KeybindContextString {
 622    const GLOBAL: SharedString = SharedString::new_static("<global>");
 623
 624    pub fn local(&self) -> Option<&SharedString> {
 625        match self {
 626            KeybindContextString::Global => None,
 627            KeybindContextString::Local(name, _) => Some(name),
 628        }
 629    }
 630
 631    pub fn local_str(&self) -> Option<&str> {
 632        match self {
 633            KeybindContextString::Global => None,
 634            KeybindContextString::Local(name, _) => Some(name),
 635        }
 636    }
 637}
 638
 639impl RenderOnce for KeybindContextString {
 640    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
 641        match self {
 642            KeybindContextString::Global => {
 643                muted_styled_text(KeybindContextString::GLOBAL.clone(), cx).into_any_element()
 644            }
 645            KeybindContextString::Local(name, language) => {
 646                SyntaxHighlightedText::new(name, language).into_any_element()
 647            }
 648        }
 649    }
 650}
 651
 652fn muted_styled_text(text: SharedString, cx: &App) -> StyledText {
 653    let len = text.len();
 654    StyledText::new(text).with_highlights([(
 655        0..len,
 656        gpui::HighlightStyle::color(cx.theme().colors().text_muted),
 657    )])
 658}
 659
 660impl Item for KeymapEditor {
 661    type Event = ();
 662
 663    fn tab_content_text(&self, _detail: usize, _cx: &App) -> ui::SharedString {
 664        "Keymap Editor".into()
 665    }
 666}
 667
 668impl Render for KeymapEditor {
 669    fn render(&mut self, window: &mut Window, cx: &mut ui::Context<Self>) -> impl ui::IntoElement {
 670        let row_count = self.matches.len();
 671        let theme = cx.theme();
 672
 673        v_flex()
 674            .id("keymap-editor")
 675            .track_focus(&self.focus_handle)
 676            .key_context(self.dispatch_context(window, cx))
 677            .on_action(cx.listener(Self::select_next))
 678            .on_action(cx.listener(Self::select_previous))
 679            .on_action(cx.listener(Self::select_first))
 680            .on_action(cx.listener(Self::select_last))
 681            .on_action(cx.listener(Self::focus_search))
 682            .on_action(cx.listener(Self::confirm))
 683            .on_action(cx.listener(Self::edit_binding))
 684            .on_action(cx.listener(Self::create_binding))
 685            .on_action(cx.listener(Self::copy_action_to_clipboard))
 686            .on_action(cx.listener(Self::copy_context_to_clipboard))
 687            .size_full()
 688            .p_2()
 689            .gap_1()
 690            .bg(theme.colors().editor_background)
 691            .child(
 692                h_flex()
 693                    .key_context({
 694                        let mut context = KeyContext::new_with_defaults();
 695                        context.add("BufferSearchBar");
 696                        context
 697                    })
 698                    .h_8()
 699                    .pl_2()
 700                    .pr_1()
 701                    .py_1()
 702                    .border_1()
 703                    .border_color(theme.colors().border)
 704                    .rounded_lg()
 705                    .child(self.filter_editor.clone())
 706                    .when(!self.conflicts.is_empty(), |this| {
 707                        this.child(
 708                            IconButton::new("KeymapEditorConflictIcon", IconName::Warning)
 709                                .tooltip(Tooltip::text(match self.filter_state {
 710                                    FilterState::All => "Show conflicts",
 711                                    FilterState::Conflicts => "Hide conflicts",
 712                                }))
 713                                .selected_icon_color(Color::Error)
 714                                .toggle_state(matches!(self.filter_state, FilterState::Conflicts))
 715                                .on_click(cx.listener(|this, _, _, cx| {
 716                                    this.filter_state = this.filter_state.invert();
 717                                    this.update_matches(cx);
 718                                })),
 719                        )
 720                    }),
 721            )
 722            .child(
 723                Table::new()
 724                    .interactable(&self.table_interaction_state)
 725                    .striped()
 726                    .column_widths([rems(16.), rems(16.), rems(16.), rems(32.), rems(8.)])
 727                    .header(["Action", "Arguments", "Keystrokes", "Context", "Source"])
 728                    .uniform_list(
 729                        "keymap-editor-table",
 730                        row_count,
 731                        cx.processor(move |this, range: Range<usize>, _window, cx| {
 732                            range
 733                                .filter_map(|index| {
 734                                    let candidate_id = this.matches.get(index)?.candidate_id;
 735                                    let binding = &this.keybindings[candidate_id];
 736
 737                                    let action = div()
 738                                        .child(binding.action_name.clone())
 739                                        .id(("keymap action", index))
 740                                        .tooltip({
 741                                            let action_name = binding.action_name.clone();
 742                                            let action_docs = binding.action_docs;
 743                                            move |_, cx| {
 744                                                let action_tooltip = Tooltip::new(
 745                                                    command_palette::humanize_action_name(
 746                                                        &action_name,
 747                                                    ),
 748                                                );
 749                                                let action_tooltip = match action_docs {
 750                                                    Some(docs) => action_tooltip.meta(docs),
 751                                                    None => action_tooltip,
 752                                                };
 753                                                cx.new(|_| action_tooltip).into()
 754                                            }
 755                                        })
 756                                        .into_any_element();
 757                                    let keystrokes = binding.ui_key_binding.clone().map_or(
 758                                        binding.keystroke_text.clone().into_any_element(),
 759                                        IntoElement::into_any_element,
 760                                    );
 761                                    let action_input = match binding.action_input.clone() {
 762                                        Some(input) => input.into_any_element(),
 763                                        None => {
 764                                            if binding.action_schema.is_some() {
 765                                                muted_styled_text(NO_ACTION_ARGUMENTS_TEXT, cx)
 766                                                    .into_any_element()
 767                                            } else {
 768                                                gpui::Empty.into_any_element()
 769                                            }
 770                                        }
 771                                    };
 772                                    let context = binding
 773                                        .context
 774                                        .clone()
 775                                        .map_or(gpui::Empty.into_any_element(), |context| {
 776                                            context.into_any_element()
 777                                        });
 778                                    let source = binding
 779                                        .source
 780                                        .clone()
 781                                        .map(|(_source, name)| name)
 782                                        .unwrap_or_default()
 783                                        .into_any_element();
 784                                    Some([action, action_input, keystrokes, context, source])
 785                                })
 786                                .collect()
 787                        }),
 788                    )
 789                    .map_row(
 790                        cx.processor(|this, (row_index, row): (usize, Div), _window, cx| {
 791                            let is_conflict = this
 792                                .matches
 793                                .get(row_index)
 794                                .map(|candidate| candidate.candidate_id)
 795                                .is_some_and(|id| this.conflicts.contains(&id));
 796                            let is_selected = this.selected_index == Some(row_index);
 797
 798                            let row = row
 799                                .id(("keymap-table-row", row_index))
 800                                .on_click(cx.listener(move |this, _event, _window, _cx| {
 801                                    this.selected_index = Some(row_index);
 802                                }))
 803                                .border_2()
 804                                .when(is_conflict, |row| {
 805                                    row.bg(cx.theme().status().error_background)
 806                                })
 807                                .when(is_selected, |row| {
 808                                    row.border_color(cx.theme().colors().panel_focused_border)
 809                                });
 810
 811                            right_click_menu(("keymap-table-row-menu", row_index))
 812                                .trigger({
 813                                    let this = cx.weak_entity();
 814                                    move |is_menu_open: bool, _window, cx| {
 815                                        if is_menu_open {
 816                                            this.update(cx, |this, cx| {
 817                                                if this.selected_index != Some(row_index) {
 818                                                    this.selected_index = Some(row_index);
 819                                                    cx.notify();
 820                                                }
 821                                            })
 822                                            .ok();
 823                                        }
 824                                        row
 825                                    }
 826                                })
 827                                .menu({
 828                                    let this = cx.weak_entity();
 829                                    move |window, cx| build_keybind_context_menu(&this, window, cx)
 830                                })
 831                                .into_any_element()
 832                        }),
 833                    ),
 834            )
 835    }
 836}
 837
 838#[derive(Debug, Clone, IntoElement)]
 839struct SyntaxHighlightedText {
 840    text: SharedString,
 841    language: Arc<Language>,
 842}
 843
 844impl SyntaxHighlightedText {
 845    pub fn new(text: impl Into<SharedString>, language: Arc<Language>) -> Self {
 846        Self {
 847            text: text.into(),
 848            language,
 849        }
 850    }
 851}
 852
 853impl RenderOnce for SyntaxHighlightedText {
 854    fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
 855        let text_style = window.text_style();
 856        let syntax_theme = cx.theme().syntax();
 857
 858        let text = self.text.clone();
 859
 860        let highlights = self
 861            .language
 862            .highlight_text(&text.as_ref().into(), 0..text.len());
 863        let mut runs = Vec::with_capacity(highlights.len());
 864        let mut offset = 0;
 865
 866        for (highlight_range, highlight_id) in highlights {
 867            // Add un-highlighted text before the current highlight
 868            if highlight_range.start > offset {
 869                runs.push(text_style.to_run(highlight_range.start - offset));
 870            }
 871
 872            let mut run_style = text_style.clone();
 873            if let Some(highlight_style) = highlight_id.style(syntax_theme) {
 874                run_style = run_style.highlight(highlight_style);
 875            }
 876            // add the highlighted range
 877            runs.push(run_style.to_run(highlight_range.len()));
 878            offset = highlight_range.end;
 879        }
 880
 881        // Add any remaining un-highlighted text
 882        if offset < text.len() {
 883            runs.push(text_style.to_run(text.len() - offset));
 884        }
 885
 886        return StyledText::new(text).with_runs(runs);
 887    }
 888}
 889
 890struct KeybindingEditorModal {
 891    creating: bool,
 892    editing_keybind: ProcessedKeybinding,
 893    keybind_editor: Entity<KeystrokeInput>,
 894    context_editor: Entity<Editor>,
 895    input_editor: Option<Entity<Editor>>,
 896    fs: Arc<dyn Fs>,
 897    error: Option<String>,
 898}
 899
 900impl ModalView for KeybindingEditorModal {}
 901
 902impl EventEmitter<DismissEvent> for KeybindingEditorModal {}
 903
 904impl Focusable for KeybindingEditorModal {
 905    fn focus_handle(&self, cx: &App) -> FocusHandle {
 906        self.keybind_editor.focus_handle(cx)
 907    }
 908}
 909
 910impl KeybindingEditorModal {
 911    pub fn new(
 912        create: bool,
 913        editing_keybind: ProcessedKeybinding,
 914        workspace: WeakEntity<Workspace>,
 915        fs: Arc<dyn Fs>,
 916        window: &mut Window,
 917        cx: &mut App,
 918    ) -> Self {
 919        let keybind_editor = cx.new(KeystrokeInput::new);
 920
 921        let context_editor = cx.new(|cx| {
 922            let mut editor = Editor::single_line(window, cx);
 923
 924            if let Some(context) = editing_keybind
 925                .context
 926                .as_ref()
 927                .and_then(KeybindContextString::local)
 928            {
 929                editor.set_text(context.clone(), window, cx);
 930            } else {
 931                editor.set_placeholder_text("Keybinding context", cx);
 932            }
 933
 934            cx.spawn(async |editor, cx| {
 935                let contexts = cx
 936                    .background_spawn(async { collect_contexts_from_assets() })
 937                    .await;
 938
 939                editor
 940                    .update(cx, |editor, _cx| {
 941                        editor.set_completion_provider(Some(std::rc::Rc::new(
 942                            KeyContextCompletionProvider { contexts },
 943                        )));
 944                    })
 945                    .context("Failed to load completions for keybinding context")
 946            })
 947            .detach_and_log_err(cx);
 948
 949            editor
 950        });
 951
 952        let input_editor = editing_keybind.action_schema.clone().map(|_schema| {
 953            cx.new(|cx| {
 954                let mut editor = Editor::auto_height_unbounded(1, window, cx);
 955                if let Some(input) = editing_keybind.action_input.clone() {
 956                    editor.set_text(input.text, window, cx);
 957                } else {
 958                    // TODO: default value from schema?
 959                    editor.set_placeholder_text("Action input", cx);
 960                }
 961                cx.spawn(async |editor, cx| {
 962                    let json_language = load_json_language(workspace, cx).await;
 963                    editor
 964                        .update(cx, |editor, cx| {
 965                            if let Some(buffer) = editor.buffer().read(cx).as_singleton() {
 966                                buffer.update(cx, |buffer, cx| {
 967                                    buffer.set_language(Some(json_language), cx)
 968                                });
 969                            }
 970                        })
 971                        .context("Failed to load JSON language for editing keybinding action input")
 972                })
 973                .detach_and_log_err(cx);
 974                editor
 975            })
 976        });
 977
 978        Self {
 979            creating: create,
 980            editing_keybind,
 981            fs,
 982            keybind_editor,
 983            context_editor,
 984            input_editor,
 985            error: None,
 986        }
 987    }
 988
 989    fn save(&mut self, cx: &mut Context<Self>) {
 990        let existing_keybind = self.editing_keybind.clone();
 991        let fs = self.fs.clone();
 992        let new_keystrokes = self
 993            .keybind_editor
 994            .read_with(cx, |editor, _| editor.keystrokes().to_vec());
 995        if new_keystrokes.is_empty() {
 996            self.error = Some("Keystrokes cannot be empty".to_string());
 997            cx.notify();
 998            return;
 999        }
1000        let tab_size = cx.global::<settings::SettingsStore>().json_tab_size();
1001        let new_context = self
1002            .context_editor
1003            .read_with(cx, |editor, cx| editor.text(cx));
1004        let new_context = new_context.is_empty().not().then_some(new_context);
1005        let new_context_err = new_context.as_deref().and_then(|context| {
1006            gpui::KeyBindingContextPredicate::parse(context)
1007                .context("Failed to parse key context")
1008                .err()
1009        });
1010        if let Some(err) = new_context_err {
1011            // TODO: store and display as separate error
1012            // TODO: also, should be validating on keystroke
1013            self.error = Some(err.to_string());
1014            cx.notify();
1015            return;
1016        }
1017
1018        let create = self.creating;
1019
1020        cx.spawn(async move |this, cx| {
1021            if let Err(err) = save_keybinding_update(
1022                create,
1023                existing_keybind,
1024                &new_keystrokes,
1025                new_context.as_deref(),
1026                &fs,
1027                tab_size,
1028            )
1029            .await
1030            {
1031                this.update(cx, |this, cx| {
1032                    this.error = Some(err.to_string());
1033                    cx.notify();
1034                })
1035                .log_err();
1036            } else {
1037                this.update(cx, |_this, cx| {
1038                    cx.emit(DismissEvent);
1039                })
1040                .ok();
1041            }
1042        })
1043        .detach();
1044    }
1045}
1046
1047impl Render for KeybindingEditorModal {
1048    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1049        let theme = cx.theme().colors();
1050
1051        return v_flex()
1052            .w(rems(34.))
1053            .elevation_3(cx)
1054            .child(
1055                v_flex()
1056                    .p_3()
1057                    .gap_2()
1058                    .child(
1059                        v_flex().child(Label::new("Edit Keystroke")).child(
1060                            Label::new("Input the desired keystroke for the selected action.")
1061                                .color(Color::Muted),
1062                        ),
1063                    )
1064                    .child(self.keybind_editor.clone()),
1065            )
1066            .when_some(self.input_editor.clone(), |this, editor| {
1067                this.child(
1068                    v_flex()
1069                        .p_3()
1070                        .gap_3()
1071                        .child(
1072                            v_flex().child(Label::new("Edit Input")).child(
1073                                Label::new("Input the desired input to the binding.")
1074                                    .color(Color::Muted),
1075                            ),
1076                        )
1077                        .child(
1078                            div()
1079                                .w_full()
1080                                .border_color(cx.theme().colors().border_variant)
1081                                .border_1()
1082                                .py_2()
1083                                .px_3()
1084                                .min_h_8()
1085                                .rounded_md()
1086                                .bg(theme.editor_background)
1087                                .child(editor),
1088                        ),
1089                )
1090            })
1091            .child(
1092                v_flex()
1093                    .p_3()
1094                    .gap_3()
1095                    .child(
1096                        v_flex().child(Label::new("Edit Context")).child(
1097                            Label::new("Input the desired context for the binding.")
1098                                .color(Color::Muted),
1099                        ),
1100                    )
1101                    .child(
1102                        div()
1103                            .w_full()
1104                            .border_color(cx.theme().colors().border_variant)
1105                            .border_1()
1106                            .py_2()
1107                            .px_3()
1108                            .min_h_8()
1109                            .rounded_md()
1110                            .bg(theme.editor_background)
1111                            .child(self.context_editor.clone()),
1112                    ),
1113            )
1114            .child(
1115                h_flex()
1116                    .p_2()
1117                    .w_full()
1118                    .gap_1()
1119                    .justify_end()
1120                    .border_t_1()
1121                    .border_color(cx.theme().colors().border_variant)
1122                    .child(
1123                        Button::new("cancel", "Cancel")
1124                            .on_click(cx.listener(|_, _, _, cx| cx.emit(DismissEvent))),
1125                    )
1126                    .child(
1127                        Button::new("save-btn", "Save").on_click(
1128                            cx.listener(|this, _event, _window, cx| Self::save(this, cx)),
1129                        ),
1130                    ),
1131            )
1132            .when_some(self.error.clone(), |this, error| {
1133                this.child(
1134                    div()
1135                        .bg(theme.background)
1136                        .border_color(theme.border)
1137                        .border_2()
1138                        .rounded_md()
1139                        .child(error),
1140                )
1141            });
1142    }
1143}
1144
1145struct KeyContextCompletionProvider {
1146    contexts: Vec<SharedString>,
1147}
1148
1149impl CompletionProvider for KeyContextCompletionProvider {
1150    fn completions(
1151        &self,
1152        _excerpt_id: editor::ExcerptId,
1153        buffer: &Entity<language::Buffer>,
1154        buffer_position: language::Anchor,
1155        _trigger: editor::CompletionContext,
1156        _window: &mut Window,
1157        cx: &mut Context<Editor>,
1158    ) -> gpui::Task<anyhow::Result<Vec<project::CompletionResponse>>> {
1159        let buffer = buffer.read(cx);
1160        let mut count_back = 0;
1161        for char in buffer.reversed_chars_at(buffer_position) {
1162            if char.is_ascii_alphanumeric() || char == '_' {
1163                count_back += 1;
1164            } else {
1165                break;
1166            }
1167        }
1168        let start_anchor = buffer.anchor_before(
1169            buffer_position
1170                .to_offset(&buffer)
1171                .saturating_sub(count_back),
1172        );
1173        let replace_range = start_anchor..buffer_position;
1174        gpui::Task::ready(Ok(vec![project::CompletionResponse {
1175            completions: self
1176                .contexts
1177                .iter()
1178                .map(|context| project::Completion {
1179                    replace_range: replace_range.clone(),
1180                    label: language::CodeLabel::plain(context.to_string(), None),
1181                    new_text: context.to_string(),
1182                    documentation: None,
1183                    source: project::CompletionSource::Custom,
1184                    icon_path: None,
1185                    insert_text_mode: None,
1186                    confirm: None,
1187                })
1188                .collect(),
1189            is_incomplete: false,
1190        }]))
1191    }
1192
1193    fn is_completion_trigger(
1194        &self,
1195        _buffer: &Entity<language::Buffer>,
1196        _position: language::Anchor,
1197        text: &str,
1198        _trigger_in_words: bool,
1199        _menu_is_open: bool,
1200        _cx: &mut Context<Editor>,
1201    ) -> bool {
1202        text.chars().last().map_or(false, |last_char| {
1203            last_char.is_ascii_alphanumeric() || last_char == '_'
1204        })
1205    }
1206}
1207
1208async fn load_json_language(workspace: WeakEntity<Workspace>, cx: &mut AsyncApp) -> Arc<Language> {
1209    let json_language_task = workspace
1210        .read_with(cx, |workspace, cx| {
1211            workspace
1212                .project()
1213                .read(cx)
1214                .languages()
1215                .language_for_name("JSON")
1216        })
1217        .context("Failed to load JSON language")
1218        .log_err();
1219    let json_language = match json_language_task {
1220        Some(task) => task.await.context("Failed to load JSON language").log_err(),
1221        None => None,
1222    };
1223    return json_language.unwrap_or_else(|| {
1224        Arc::new(Language::new(
1225            LanguageConfig {
1226                name: "JSON".into(),
1227                ..Default::default()
1228            },
1229            Some(tree_sitter_json::LANGUAGE.into()),
1230        ))
1231    });
1232}
1233
1234async fn load_rust_language(workspace: WeakEntity<Workspace>, cx: &mut AsyncApp) -> Arc<Language> {
1235    let rust_language_task = workspace
1236        .read_with(cx, |workspace, cx| {
1237            workspace
1238                .project()
1239                .read(cx)
1240                .languages()
1241                .language_for_name("Rust")
1242        })
1243        .context("Failed to load Rust language")
1244        .log_err();
1245    let rust_language = match rust_language_task {
1246        Some(task) => task.await.context("Failed to load Rust language").log_err(),
1247        None => None,
1248    };
1249    return rust_language.unwrap_or_else(|| {
1250        Arc::new(Language::new(
1251            LanguageConfig {
1252                name: "Rust".into(),
1253                ..Default::default()
1254            },
1255            Some(tree_sitter_rust::LANGUAGE.into()),
1256        ))
1257    });
1258}
1259
1260async fn save_keybinding_update(
1261    create: bool,
1262    existing: ProcessedKeybinding,
1263    new_keystrokes: &[Keystroke],
1264    new_context: Option<&str>,
1265    fs: &Arc<dyn Fs>,
1266    tab_size: usize,
1267) -> anyhow::Result<()> {
1268    let keymap_contents = settings::KeymapFile::load_keymap_file(fs)
1269        .await
1270        .context("Failed to load keymap file")?;
1271
1272    let existing_keystrokes = existing
1273        .ui_key_binding
1274        .as_ref()
1275        .map(|keybinding| keybinding.keystrokes.as_slice())
1276        .unwrap_or_default();
1277
1278    let existing_context = existing
1279        .context
1280        .as_ref()
1281        .and_then(KeybindContextString::local_str);
1282
1283    let input = existing
1284        .action_input
1285        .as_ref()
1286        .map(|input| input.text.as_ref());
1287
1288    let operation = if !create {
1289        settings::KeybindUpdateOperation::Replace {
1290            target: settings::KeybindUpdateTarget {
1291                context: existing_context,
1292                keystrokes: existing_keystrokes,
1293                action_name: &existing.action_name,
1294                use_key_equivalents: false,
1295                input,
1296            },
1297            target_keybind_source: existing
1298                .source
1299                .map(|(source, _name)| source)
1300                .unwrap_or(KeybindSource::User),
1301            source: settings::KeybindUpdateTarget {
1302                context: new_context,
1303                keystrokes: new_keystrokes,
1304                action_name: &existing.action_name,
1305                use_key_equivalents: false,
1306                input,
1307            },
1308        }
1309    } else {
1310        settings::KeybindUpdateOperation::Add(settings::KeybindUpdateTarget {
1311            context: new_context,
1312            keystrokes: new_keystrokes,
1313            action_name: &existing.action_name,
1314            use_key_equivalents: false,
1315            input,
1316        })
1317    };
1318    let updated_keymap_contents =
1319        settings::KeymapFile::update_keybinding(operation, keymap_contents, tab_size)
1320            .context("Failed to update keybinding")?;
1321    fs.atomic_write(paths::keymap_file().clone(), updated_keymap_contents)
1322        .await
1323        .context("Failed to write keymap file")?;
1324    Ok(())
1325}
1326
1327struct KeystrokeInput {
1328    keystrokes: Vec<Keystroke>,
1329    focus_handle: FocusHandle,
1330}
1331
1332impl KeystrokeInput {
1333    fn new(cx: &mut Context<Self>) -> Self {
1334        let focus_handle = cx.focus_handle();
1335        Self {
1336            keystrokes: Vec::new(),
1337            focus_handle,
1338        }
1339    }
1340
1341    fn on_modifiers_changed(
1342        &mut self,
1343        event: &ModifiersChangedEvent,
1344        _window: &mut Window,
1345        cx: &mut Context<Self>,
1346    ) {
1347        if let Some(last) = self.keystrokes.last_mut()
1348            && last.key.is_empty()
1349        {
1350            if !event.modifiers.modified() {
1351                self.keystrokes.pop();
1352            } else {
1353                last.modifiers = event.modifiers;
1354            }
1355        } else {
1356            self.keystrokes.push(Keystroke {
1357                modifiers: event.modifiers,
1358                key: "".to_string(),
1359                key_char: None,
1360            });
1361        }
1362        cx.stop_propagation();
1363        cx.notify();
1364    }
1365
1366    fn on_key_down(
1367        &mut self,
1368        event: &gpui::KeyDownEvent,
1369        _window: &mut Window,
1370        cx: &mut Context<Self>,
1371    ) {
1372        if event.is_held {
1373            return;
1374        }
1375        if let Some(last) = self.keystrokes.last_mut()
1376            && last.key.is_empty()
1377        {
1378            *last = event.keystroke.clone();
1379        } else {
1380            self.keystrokes.push(event.keystroke.clone());
1381        }
1382        cx.stop_propagation();
1383        cx.notify();
1384    }
1385
1386    fn on_key_up(
1387        &mut self,
1388        event: &gpui::KeyUpEvent,
1389        _window: &mut Window,
1390        cx: &mut Context<Self>,
1391    ) {
1392        if let Some(last) = self.keystrokes.last_mut()
1393            && !last.key.is_empty()
1394            && last.modifiers == event.keystroke.modifiers
1395        {
1396            self.keystrokes.push(Keystroke {
1397                modifiers: event.keystroke.modifiers,
1398                key: "".to_string(),
1399                key_char: None,
1400            });
1401        }
1402        cx.stop_propagation();
1403        cx.notify();
1404    }
1405
1406    fn keystrokes(&self) -> &[Keystroke] {
1407        if self
1408            .keystrokes
1409            .last()
1410            .map_or(false, |last| last.key.is_empty())
1411        {
1412            return &self.keystrokes[..self.keystrokes.len() - 1];
1413        }
1414        return &self.keystrokes;
1415    }
1416}
1417
1418impl Focusable for KeystrokeInput {
1419    fn focus_handle(&self, _cx: &App) -> FocusHandle {
1420        self.focus_handle.clone()
1421    }
1422}
1423
1424impl Render for KeystrokeInput {
1425    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1426        let colors = cx.theme().colors();
1427
1428        return h_flex()
1429            .id("keybinding_input")
1430            .track_focus(&self.focus_handle)
1431            .on_modifiers_changed(cx.listener(Self::on_modifiers_changed))
1432            .on_key_down(cx.listener(Self::on_key_down))
1433            .on_key_up(cx.listener(Self::on_key_up))
1434            .focus(|mut style| {
1435                style.border_color = Some(colors.border_focused);
1436                style
1437            })
1438            .py_2()
1439            .px_3()
1440            .gap_2()
1441            .min_h_8()
1442            .w_full()
1443            .justify_between()
1444            .bg(colors.editor_background)
1445            .border_1()
1446            .rounded_md()
1447            .flex_1()
1448            .overflow_hidden()
1449            .child(
1450                h_flex()
1451                    .w_full()
1452                    .min_w_0()
1453                    .justify_center()
1454                    .flex_wrap()
1455                    .gap(ui::DynamicSpacing::Base04.rems(cx))
1456                    .children(self.keystrokes.iter().map(|keystroke| {
1457                        h_flex().children(ui::render_keystroke(
1458                            keystroke,
1459                            None,
1460                            Some(rems(0.875).into()),
1461                            ui::PlatformStyle::platform(),
1462                            false,
1463                        ))
1464                    })),
1465            )
1466            .child(
1467                h_flex()
1468                    .gap_0p5()
1469                    .flex_none()
1470                    .child(
1471                        IconButton::new("backspace-btn", IconName::Delete)
1472                            .tooltip(Tooltip::text("Delete Keystroke"))
1473                            .on_click(cx.listener(|this, _event, _window, cx| {
1474                                this.keystrokes.pop();
1475                                cx.notify();
1476                            })),
1477                    )
1478                    .child(
1479                        IconButton::new("clear-btn", IconName::Eraser)
1480                            .tooltip(Tooltip::text("Clear Keystrokes"))
1481                            .on_click(cx.listener(|this, _event, _window, cx| {
1482                                this.keystrokes.clear();
1483                                cx.notify();
1484                            })),
1485                    ),
1486            );
1487    }
1488}
1489
1490fn build_keybind_context_menu(
1491    this: &WeakEntity<KeymapEditor>,
1492    window: &mut Window,
1493    cx: &mut App,
1494) -> Entity<ContextMenu> {
1495    ContextMenu::build(window, cx, |menu, _window, cx| {
1496        let Some(this) = this.upgrade() else {
1497            return menu;
1498        };
1499        let selected_binding = this.read_with(cx, |this, _cx| this.selected_binding().cloned());
1500        let Some(selected_binding) = selected_binding else {
1501            return menu;
1502        };
1503
1504        let selected_binding_has_no_context = selected_binding
1505            .context
1506            .as_ref()
1507            .and_then(KeybindContextString::local)
1508            .is_none();
1509
1510        let selected_binding_is_unbound = selected_binding.ui_key_binding.is_none();
1511
1512        menu.action_disabled_when(selected_binding_is_unbound, "Edit", Box::new(EditBinding))
1513            .action("Create", Box::new(CreateBinding))
1514            .action("Copy action", Box::new(CopyAction))
1515            .action_disabled_when(
1516                selected_binding_has_no_context,
1517                "Copy Context",
1518                Box::new(CopyContext),
1519            )
1520    })
1521}
1522
1523fn collect_contexts_from_assets() -> Vec<SharedString> {
1524    let mut keymap_assets = vec![
1525        util::asset_str::<SettingsAssets>(settings::DEFAULT_KEYMAP_PATH),
1526        util::asset_str::<SettingsAssets>(settings::VIM_KEYMAP_PATH),
1527    ];
1528    keymap_assets.extend(
1529        BaseKeymap::OPTIONS
1530            .iter()
1531            .filter_map(|(_, base_keymap)| base_keymap.asset_path())
1532            .map(util::asset_str::<SettingsAssets>),
1533    );
1534
1535    let mut contexts = HashSet::default();
1536
1537    for keymap_asset in keymap_assets {
1538        let Ok(keymap) = KeymapFile::parse(&keymap_asset) else {
1539            continue;
1540        };
1541
1542        for section in keymap.sections() {
1543            let context_expr = &section.context;
1544            let mut queue = Vec::new();
1545            let Ok(root_context) = gpui::KeyBindingContextPredicate::parse(context_expr) else {
1546                continue;
1547            };
1548
1549            queue.push(root_context);
1550            while let Some(context) = queue.pop() {
1551                match context {
1552                    gpui::KeyBindingContextPredicate::Identifier(ident) => {
1553                        contexts.insert(ident);
1554                    }
1555                    gpui::KeyBindingContextPredicate::Equal(ident_a, ident_b) => {
1556                        contexts.insert(ident_a);
1557                        contexts.insert(ident_b);
1558                    }
1559                    gpui::KeyBindingContextPredicate::NotEqual(ident_a, ident_b) => {
1560                        contexts.insert(ident_a);
1561                        contexts.insert(ident_b);
1562                    }
1563                    gpui::KeyBindingContextPredicate::Child(ctx_a, ctx_b) => {
1564                        queue.push(*ctx_a);
1565                        queue.push(*ctx_b);
1566                    }
1567                    gpui::KeyBindingContextPredicate::Not(ctx) => {
1568                        queue.push(*ctx);
1569                    }
1570                    gpui::KeyBindingContextPredicate::And(ctx_a, ctx_b) => {
1571                        queue.push(*ctx_a);
1572                        queue.push(*ctx_b);
1573                    }
1574                    gpui::KeyBindingContextPredicate::Or(ctx_a, ctx_b) => {
1575                        queue.push(*ctx_a);
1576                        queue.push(*ctx_b);
1577                    }
1578                }
1579            }
1580        }
1581    }
1582
1583    let mut contexts = contexts.into_iter().collect::<Vec<_>>();
1584    contexts.sort();
1585
1586    return contexts;
1587}
1588
1589impl SerializableItem for KeymapEditor {
1590    fn serialized_item_kind() -> &'static str {
1591        "KeymapEditor"
1592    }
1593
1594    fn cleanup(
1595        workspace_id: workspace::WorkspaceId,
1596        alive_items: Vec<workspace::ItemId>,
1597        _window: &mut Window,
1598        cx: &mut App,
1599    ) -> gpui::Task<gpui::Result<()>> {
1600        workspace::delete_unloaded_items(
1601            alive_items,
1602            workspace_id,
1603            "keybinding_editors",
1604            &KEYBINDING_EDITORS,
1605            cx,
1606        )
1607    }
1608
1609    fn deserialize(
1610        _project: Entity<project::Project>,
1611        workspace: WeakEntity<Workspace>,
1612        workspace_id: workspace::WorkspaceId,
1613        item_id: workspace::ItemId,
1614        window: &mut Window,
1615        cx: &mut App,
1616    ) -> gpui::Task<gpui::Result<Entity<Self>>> {
1617        window.spawn(cx, async move |cx| {
1618            if KEYBINDING_EDITORS
1619                .get_keybinding_editor(item_id, workspace_id)?
1620                .is_some()
1621            {
1622                cx.update(|window, cx| cx.new(|cx| KeymapEditor::new(workspace, window, cx)))
1623            } else {
1624                Err(anyhow!("No keybinding editor to deserialize"))
1625            }
1626        })
1627    }
1628
1629    fn serialize(
1630        &mut self,
1631        workspace: &mut Workspace,
1632        item_id: workspace::ItemId,
1633        _closing: bool,
1634        _window: &mut Window,
1635        cx: &mut ui::Context<Self>,
1636    ) -> Option<gpui::Task<gpui::Result<()>>> {
1637        let workspace_id = workspace.database_id()?;
1638        Some(cx.background_spawn(async move {
1639            KEYBINDING_EDITORS
1640                .save_keybinding_editor(item_id, workspace_id)
1641                .await
1642        }))
1643    }
1644
1645    fn should_serialize(&self, _event: &Self::Event) -> bool {
1646        false
1647    }
1648}
1649
1650mod persistence {
1651    use db::{define_connection, query, sqlez_macros::sql};
1652    use workspace::WorkspaceDb;
1653
1654    define_connection! {
1655        pub static ref KEYBINDING_EDITORS: KeybindingEditorDb<WorkspaceDb> =
1656            &[sql!(
1657                CREATE TABLE keybinding_editors (
1658                    workspace_id INTEGER,
1659                    item_id INTEGER UNIQUE,
1660
1661                    PRIMARY KEY(workspace_id, item_id),
1662                    FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
1663                    ON DELETE CASCADE
1664                ) STRICT;
1665            )];
1666    }
1667
1668    impl KeybindingEditorDb {
1669        query! {
1670            pub async fn save_keybinding_editor(
1671                item_id: workspace::ItemId,
1672                workspace_id: workspace::WorkspaceId
1673            ) -> Result<()> {
1674                INSERT OR REPLACE INTO keybinding_editors(item_id, workspace_id)
1675                VALUES (?, ?)
1676            }
1677        }
1678
1679        query! {
1680            pub fn get_keybinding_editor(
1681                item_id: workspace::ItemId,
1682                workspace_id: workspace::WorkspaceId
1683            ) -> Result<Option<workspace::ItemId>> {
1684                SELECT item_id
1685                FROM keybinding_editors
1686                WHERE item_id = ? AND workspace_id = ?
1687            }
1688        }
1689    }
1690}