keybindings.rs

   1use std::{
   2    ops::{Not as _, Range},
   3    sync::Arc,
   4    time::Duration,
   5};
   6
   7use anyhow::{Context as _, anyhow};
   8use collections::{HashMap, HashSet};
   9use editor::{CompletionProvider, Editor, EditorEvent};
  10use fs::Fs;
  11use fuzzy::{StringMatch, StringMatchCandidate};
  12use gpui::{
  13    Action, Animation, AnimationExt, AppContext as _, AsyncApp, Axis, ClickEvent, Context,
  14    DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, FontWeight, Global, IsZero,
  15    KeyContext, Keystroke, Modifiers, ModifiersChangedEvent, MouseButton, Point, ScrollStrategy,
  16    ScrollWheelEvent, StyledText, Subscription, Task, WeakEntity, actions, anchored, deferred, div,
  17};
  18use language::{Language, LanguageConfig, ToOffset as _};
  19use notifications::status_toast::{StatusToast, ToastIcon};
  20use settings::{BaseKeymap, KeybindSource, KeymapFile, SettingsAssets};
  21
  22use util::ResultExt;
  23
  24use ui::{
  25    ActiveTheme as _, App, Banner, BorrowAppContext, ContextMenu, IconButtonShape, Modal,
  26    ModalFooter, ModalHeader, ParentElement as _, Render, Section, SharedString, Styled as _,
  27    Tooltip, Window, prelude::*,
  28};
  29use ui_input::SingleLineInput;
  30use workspace::{
  31    Item, ModalView, SerializableItem, Workspace, notifications::NotifyTaskExt as _,
  32    register_serializable_item,
  33};
  34
  35use crate::{
  36    keybindings::persistence::KEYBINDING_EDITORS,
  37    ui_components::table::{Table, TableInteractionState},
  38};
  39
  40const NO_ACTION_ARGUMENTS_TEXT: SharedString = SharedString::new_static("<no arguments>");
  41
  42actions!(
  43    zed,
  44    [
  45        /// Opens the keymap editor.
  46        OpenKeymapEditor
  47    ]
  48);
  49
  50actions!(
  51    keymap_editor,
  52    [
  53        /// Edits the selected key binding.
  54        EditBinding,
  55        /// Creates a new key binding for the selected action.
  56        CreateBinding,
  57        /// Deletes the selected key binding.
  58        DeleteBinding,
  59        /// Copies the action name to clipboard.
  60        CopyAction,
  61        /// Copies the context predicate to clipboard.
  62        CopyContext,
  63        /// Toggles Conflict Filtering
  64        ToggleConflictFilter,
  65        /// Toggle Keystroke search
  66        ToggleKeystrokeSearch,
  67        /// Toggles exact matching for keystroke search
  68        ToggleExactKeystrokeMatching,
  69    ]
  70);
  71
  72actions!(
  73    keystroke_input,
  74    [
  75        /// Starts recording keystrokes
  76        StartRecording,
  77        /// Stops recording keystrokes
  78        StopRecording,
  79        /// Clears the recorded keystrokes
  80        ClearKeystrokes,
  81    ]
  82);
  83
  84pub fn init(cx: &mut App) {
  85    let keymap_event_channel = KeymapEventChannel::new();
  86    cx.set_global(keymap_event_channel);
  87
  88    cx.on_action(|_: &OpenKeymapEditor, cx| {
  89        workspace::with_active_or_new_workspace(cx, move |workspace, window, cx| {
  90            workspace
  91                .with_local_workspace(window, cx, |workspace, window, cx| {
  92                    let existing = workspace
  93                        .active_pane()
  94                        .read(cx)
  95                        .items()
  96                        .find_map(|item| item.downcast::<KeymapEditor>());
  97
  98                    if let Some(existing) = existing {
  99                        workspace.activate_item(&existing, true, true, window, cx);
 100                    } else {
 101                        let keymap_editor =
 102                            cx.new(|cx| KeymapEditor::new(workspace.weak_handle(), window, cx));
 103                        workspace.add_item_to_active_pane(
 104                            Box::new(keymap_editor),
 105                            None,
 106                            true,
 107                            window,
 108                            cx,
 109                        );
 110                    }
 111                })
 112                .detach();
 113        })
 114    });
 115
 116    register_serializable_item::<KeymapEditor>(cx);
 117}
 118
 119pub struct KeymapEventChannel {}
 120
 121impl Global for KeymapEventChannel {}
 122
 123impl KeymapEventChannel {
 124    fn new() -> Self {
 125        Self {}
 126    }
 127
 128    pub fn trigger_keymap_changed(cx: &mut App) {
 129        let Some(_event_channel) = cx.try_global::<Self>() else {
 130            // don't panic if no global defined. This usually happens in tests
 131            return;
 132        };
 133        cx.update_global(|_event_channel: &mut Self, _| {
 134            /* triggers observers in KeymapEditors */
 135        });
 136    }
 137}
 138
 139#[derive(Default, PartialEq)]
 140enum SearchMode {
 141    #[default]
 142    Normal,
 143    KeyStroke {
 144        exact_match: bool,
 145    },
 146}
 147
 148impl SearchMode {
 149    fn invert(&self) -> Self {
 150        match self {
 151            SearchMode::Normal => SearchMode::KeyStroke { exact_match: false },
 152            SearchMode::KeyStroke { .. } => SearchMode::Normal,
 153        }
 154    }
 155
 156    fn exact_match(&self) -> bool {
 157        match self {
 158            SearchMode::Normal => false,
 159            SearchMode::KeyStroke { exact_match } => *exact_match,
 160        }
 161    }
 162}
 163
 164#[derive(Default, PartialEq, Copy, Clone)]
 165enum FilterState {
 166    #[default]
 167    All,
 168    Conflicts,
 169}
 170
 171impl FilterState {
 172    fn invert(&self) -> Self {
 173        match self {
 174            FilterState::All => FilterState::Conflicts,
 175            FilterState::Conflicts => FilterState::All,
 176        }
 177    }
 178}
 179
 180#[derive(Debug, Default, PartialEq, Eq, Clone, Hash)]
 181struct ActionMapping {
 182    keystroke_text: SharedString,
 183    context: Option<SharedString>,
 184}
 185
 186#[derive(Default)]
 187struct ConflictState {
 188    conflicts: Vec<usize>,
 189    action_keybind_mapping: HashMap<ActionMapping, Vec<usize>>,
 190}
 191
 192impl ConflictState {
 193    fn new(key_bindings: &[ProcessedKeybinding]) -> Self {
 194        let mut action_keybind_mapping: HashMap<_, Vec<usize>> = HashMap::default();
 195
 196        key_bindings
 197            .iter()
 198            .enumerate()
 199            .filter(|(_, binding)| {
 200                !binding.keystroke_text.is_empty()
 201                    && binding
 202                        .source
 203                        .as_ref()
 204                        .is_some_and(|source| matches!(source.0, KeybindSource::User))
 205            })
 206            .for_each(|(index, binding)| {
 207                action_keybind_mapping
 208                    .entry(binding.get_action_mapping())
 209                    .or_default()
 210                    .push(index);
 211            });
 212
 213        Self {
 214            conflicts: action_keybind_mapping
 215                .values()
 216                .filter(|indices| indices.len() > 1)
 217                .flatten()
 218                .copied()
 219                .collect(),
 220            action_keybind_mapping,
 221        }
 222    }
 223
 224    fn conflicting_indices_for_mapping(
 225        &self,
 226        action_mapping: ActionMapping,
 227        keybind_idx: usize,
 228    ) -> Option<Vec<usize>> {
 229        self.action_keybind_mapping
 230            .get(&action_mapping)
 231            .and_then(|indices| {
 232                let mut indices = indices.iter().filter(|&idx| *idx != keybind_idx).peekable();
 233                indices.peek().is_some().then(|| indices.copied().collect())
 234            })
 235    }
 236
 237    fn will_conflict(&self, action_mapping: ActionMapping) -> Option<Vec<usize>> {
 238        self.action_keybind_mapping
 239            .get(&action_mapping)
 240            .and_then(|indices| indices.is_empty().not().then_some(indices.clone()))
 241    }
 242
 243    fn has_conflict(&self, candidate_idx: &usize) -> bool {
 244        self.conflicts.contains(candidate_idx)
 245    }
 246
 247    fn any_conflicts(&self) -> bool {
 248        !self.conflicts.is_empty()
 249    }
 250}
 251
 252struct KeymapEditor {
 253    workspace: WeakEntity<Workspace>,
 254    focus_handle: FocusHandle,
 255    _keymap_subscription: Subscription,
 256    keybindings: Vec<ProcessedKeybinding>,
 257    keybinding_conflict_state: ConflictState,
 258    filter_state: FilterState,
 259    search_mode: SearchMode,
 260    search_query_debounce: Option<Task<()>>,
 261    // corresponds 1 to 1 with keybindings
 262    string_match_candidates: Arc<Vec<StringMatchCandidate>>,
 263    matches: Vec<StringMatch>,
 264    table_interaction_state: Entity<TableInteractionState>,
 265    filter_editor: Entity<Editor>,
 266    keystroke_editor: Entity<KeystrokeInput>,
 267    selected_index: Option<usize>,
 268    context_menu: Option<(Entity<ContextMenu>, Point<Pixels>, Subscription)>,
 269    previous_edit: Option<PreviousEdit>,
 270    humanized_action_names: HashMap<&'static str, SharedString>,
 271    show_hover_menus: bool,
 272}
 273
 274enum PreviousEdit {
 275    /// When deleting, we want to maintain the same scroll position
 276    ScrollBarOffset(Point<Pixels>),
 277    /// When editing or creating, because the new keybinding could be in a different position in the sort order
 278    /// we store metadata about the new binding (either the modified version or newly created one)
 279    /// and upon reload, we search for this binding in the list of keybindings, and if we find the one that matches
 280    /// this metadata, we set the selected index to it and scroll to it,
 281    /// and if we don't find it, we scroll to 0 and don't set a selected index
 282    Keybinding {
 283        action_mapping: ActionMapping,
 284        action_name: &'static str,
 285        /// The scrollbar position to fallback to if we don't find the keybinding during a refresh
 286        /// this can happen if there's a filter applied to the search and the keybinding modification
 287        /// filters the binding from the search results
 288        fallback: Point<Pixels>,
 289    },
 290}
 291
 292impl EventEmitter<()> for KeymapEditor {}
 293
 294impl Focusable for KeymapEditor {
 295    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
 296        return self.filter_editor.focus_handle(cx);
 297    }
 298}
 299
 300impl KeymapEditor {
 301    fn new(workspace: WeakEntity<Workspace>, window: &mut Window, cx: &mut Context<Self>) -> Self {
 302        let _keymap_subscription = cx.observe_global::<KeymapEventChannel>(Self::on_keymap_changed);
 303        let table_interaction_state = TableInteractionState::new(window, cx);
 304
 305        let keystroke_editor = cx.new(|cx| {
 306            let mut keystroke_editor = KeystrokeInput::new(None, window, cx);
 307            keystroke_editor.search = true;
 308            keystroke_editor
 309        });
 310
 311        let filter_editor = cx.new(|cx| {
 312            let mut editor = Editor::single_line(window, cx);
 313            editor.set_placeholder_text("Filter action names…", cx);
 314            editor
 315        });
 316
 317        cx.subscribe(&filter_editor, |this, _, e: &EditorEvent, cx| {
 318            if !matches!(e, EditorEvent::BufferEdited) {
 319                return;
 320            }
 321
 322            this.on_query_changed(cx);
 323        })
 324        .detach();
 325
 326        cx.subscribe(&keystroke_editor, |this, _, _, cx| {
 327            if matches!(this.search_mode, SearchMode::Normal) {
 328                return;
 329            }
 330
 331            this.on_query_changed(cx);
 332        })
 333        .detach();
 334
 335        let humanized_action_names =
 336            HashMap::from_iter(cx.all_action_names().into_iter().map(|&action_name| {
 337                (
 338                    action_name,
 339                    command_palette::humanize_action_name(action_name).into(),
 340                )
 341            }));
 342
 343        let mut this = Self {
 344            workspace,
 345            keybindings: vec![],
 346            keybinding_conflict_state: ConflictState::default(),
 347            filter_state: FilterState::default(),
 348            search_mode: SearchMode::default(),
 349            string_match_candidates: Arc::new(vec![]),
 350            matches: vec![],
 351            focus_handle: cx.focus_handle(),
 352            _keymap_subscription,
 353            table_interaction_state,
 354            filter_editor,
 355            keystroke_editor,
 356            selected_index: None,
 357            context_menu: None,
 358            previous_edit: None,
 359            humanized_action_names,
 360            search_query_debounce: None,
 361            show_hover_menus: true,
 362        };
 363
 364        this.on_keymap_changed(cx);
 365
 366        this
 367    }
 368
 369    fn current_action_query(&self, cx: &App) -> String {
 370        self.filter_editor.read(cx).text(cx)
 371    }
 372
 373    fn current_keystroke_query(&self, cx: &App) -> Vec<Keystroke> {
 374        match self.search_mode {
 375            SearchMode::KeyStroke { .. } => self
 376                .keystroke_editor
 377                .read(cx)
 378                .keystrokes()
 379                .iter()
 380                .cloned()
 381                .collect(),
 382            SearchMode::Normal => Default::default(),
 383        }
 384    }
 385
 386    fn on_query_changed(&mut self, cx: &mut Context<Self>) {
 387        let action_query = self.current_action_query(cx);
 388        let keystroke_query = self.current_keystroke_query(cx);
 389        let exact_match = self.search_mode.exact_match();
 390
 391        let timer = cx.background_executor().timer(Duration::from_secs(1));
 392        self.search_query_debounce = Some(cx.background_spawn({
 393            let action_query = action_query.clone();
 394            let keystroke_query = keystroke_query.clone();
 395            async move {
 396                timer.await;
 397
 398                let keystroke_query = keystroke_query
 399                    .into_iter()
 400                    .map(|keystroke| keystroke.unparse())
 401                    .collect::<Vec<String>>()
 402                    .join(" ");
 403
 404                telemetry::event!(
 405                    "Keystroke Search Completed",
 406                    action_query = action_query,
 407                    keystroke_query = keystroke_query,
 408                    keystroke_exact_match = exact_match
 409                )
 410            }
 411        }));
 412        cx.spawn(async move |this, cx| {
 413            Self::update_matches(this.clone(), action_query, keystroke_query, cx).await?;
 414            this.update(cx, |this, cx| {
 415                this.scroll_to_item(0, ScrollStrategy::Top, cx)
 416            })
 417        })
 418        .detach();
 419    }
 420
 421    async fn update_matches(
 422        this: WeakEntity<Self>,
 423        action_query: String,
 424        keystroke_query: Vec<Keystroke>,
 425        cx: &mut AsyncApp,
 426    ) -> anyhow::Result<()> {
 427        let action_query = command_palette::normalize_action_query(&action_query);
 428        let (string_match_candidates, keybind_count) = this.read_with(cx, |this, _| {
 429            (this.string_match_candidates.clone(), this.keybindings.len())
 430        })?;
 431        let executor = cx.background_executor().clone();
 432        let mut matches = fuzzy::match_strings(
 433            &string_match_candidates,
 434            &action_query,
 435            true,
 436            true,
 437            keybind_count,
 438            &Default::default(),
 439            executor,
 440        )
 441        .await;
 442        this.update(cx, |this, cx| {
 443            match this.filter_state {
 444                FilterState::Conflicts => {
 445                    matches.retain(|candidate| {
 446                        this.keybinding_conflict_state
 447                            .has_conflict(&candidate.candidate_id)
 448                    });
 449                }
 450                FilterState::All => {}
 451            }
 452
 453            match this.search_mode {
 454                SearchMode::KeyStroke { exact_match } => {
 455                    matches.retain(|item| {
 456                        this.keybindings[item.candidate_id]
 457                            .keystrokes()
 458                            .is_some_and(|keystrokes| {
 459                                if exact_match {
 460                                    keystroke_query.len() == keystrokes.len()
 461                                        && keystroke_query.iter().zip(keystrokes).all(
 462                                            |(query, keystroke)| {
 463                                                query.key == keystroke.key
 464                                                    && query.modifiers == keystroke.modifiers
 465                                            },
 466                                        )
 467                                } else {
 468                                    let key_press_query =
 469                                        KeyPressIterator::new(keystroke_query.as_slice());
 470                                    let mut last_match_idx = 0;
 471
 472                                    key_press_query.into_iter().all(|key| {
 473                                        let key_presses = KeyPressIterator::new(keystrokes);
 474                                        key_presses.into_iter().enumerate().any(
 475                                            |(index, keystroke)| {
 476                                                if last_match_idx > index || keystroke != key {
 477                                                    return false;
 478                                                }
 479
 480                                                last_match_idx = index;
 481                                                true
 482                                            },
 483                                        )
 484                                    })
 485                                }
 486                            })
 487                    });
 488                }
 489                SearchMode::Normal => {}
 490            }
 491
 492            if action_query.is_empty() {
 493                // apply default sort
 494                // sorts by source precedence, and alphabetically by action name within each source
 495                matches.sort_by_key(|match_item| {
 496                    let keybind = &this.keybindings[match_item.candidate_id];
 497                    let source = keybind.source.as_ref().map(|s| s.0);
 498                    use KeybindSource::*;
 499                    let source_precedence = match source {
 500                        Some(User) => 0,
 501                        Some(Vim) => 1,
 502                        Some(Base) => 2,
 503                        Some(Default) => 3,
 504                        None => 4,
 505                    };
 506                    return (source_precedence, keybind.action_name);
 507                });
 508            }
 509            this.selected_index.take();
 510            this.matches = matches;
 511
 512            cx.notify();
 513        })
 514    }
 515
 516    fn has_conflict(&self, row_index: usize) -> bool {
 517        self.matches
 518            .get(row_index)
 519            .map(|candidate| candidate.candidate_id)
 520            .is_some_and(|id| self.keybinding_conflict_state.has_conflict(&id))
 521    }
 522
 523    fn process_bindings(
 524        json_language: Arc<Language>,
 525        zed_keybind_context_language: Arc<Language>,
 526        cx: &mut App,
 527    ) -> (Vec<ProcessedKeybinding>, Vec<StringMatchCandidate>) {
 528        let key_bindings_ptr = cx.key_bindings();
 529        let lock = key_bindings_ptr.borrow();
 530        let key_bindings = lock.bindings();
 531        let mut unmapped_action_names =
 532            HashSet::from_iter(cx.all_action_names().into_iter().copied());
 533        let action_documentation = cx.action_documentation();
 534        let mut generator = KeymapFile::action_schema_generator();
 535        let action_schema = HashMap::from_iter(
 536            cx.action_schemas(&mut generator)
 537                .into_iter()
 538                .filter_map(|(name, schema)| schema.map(|schema| (name, schema))),
 539        );
 540
 541        let mut processed_bindings = Vec::new();
 542        let mut string_match_candidates = Vec::new();
 543
 544        for key_binding in key_bindings {
 545            let source = key_binding.meta().map(settings::KeybindSource::from_meta);
 546
 547            let keystroke_text = ui::text_for_keystrokes(key_binding.keystrokes(), cx);
 548            let ui_key_binding = Some(
 549                ui::KeyBinding::new_from_gpui(key_binding.clone(), cx)
 550                    .vim_mode(source == Some(settings::KeybindSource::Vim)),
 551            );
 552
 553            let context = key_binding
 554                .predicate()
 555                .map(|predicate| {
 556                    KeybindContextString::Local(
 557                        predicate.to_string().into(),
 558                        zed_keybind_context_language.clone(),
 559                    )
 560                })
 561                .unwrap_or(KeybindContextString::Global);
 562
 563            let source = source.map(|source| (source, source.name().into()));
 564
 565            let action_name = key_binding.action().name();
 566            unmapped_action_names.remove(&action_name);
 567            let action_arguments = key_binding
 568                .action_input()
 569                .map(|arguments| SyntaxHighlightedText::new(arguments, json_language.clone()));
 570            let action_docs = action_documentation.get(action_name).copied();
 571
 572            let index = processed_bindings.len();
 573            let string_match_candidate = StringMatchCandidate::new(index, &action_name);
 574            processed_bindings.push(ProcessedKeybinding {
 575                keystroke_text: keystroke_text.into(),
 576                ui_key_binding,
 577                action_name,
 578                action_arguments,
 579                action_docs,
 580                action_schema: action_schema.get(action_name).cloned(),
 581                context: Some(context),
 582                source,
 583            });
 584            string_match_candidates.push(string_match_candidate);
 585        }
 586
 587        let empty = SharedString::new_static("");
 588        for action_name in unmapped_action_names.into_iter() {
 589            let index = processed_bindings.len();
 590            let string_match_candidate = StringMatchCandidate::new(index, &action_name);
 591            processed_bindings.push(ProcessedKeybinding {
 592                keystroke_text: empty.clone(),
 593                ui_key_binding: None,
 594                action_name,
 595                action_arguments: None,
 596                action_docs: action_documentation.get(action_name).copied(),
 597                action_schema: action_schema.get(action_name).cloned(),
 598                context: None,
 599                source: None,
 600            });
 601            string_match_candidates.push(string_match_candidate);
 602        }
 603
 604        (processed_bindings, string_match_candidates)
 605    }
 606
 607    fn on_keymap_changed(&mut self, cx: &mut Context<KeymapEditor>) {
 608        let workspace = self.workspace.clone();
 609        cx.spawn(async move |this, cx| {
 610            let json_language = load_json_language(workspace.clone(), cx).await;
 611            let zed_keybind_context_language =
 612                load_keybind_context_language(workspace.clone(), cx).await;
 613
 614            let (action_query, keystroke_query) = this.update(cx, |this, cx| {
 615                let (key_bindings, string_match_candidates) =
 616                    Self::process_bindings(json_language, zed_keybind_context_language, cx);
 617
 618                this.keybinding_conflict_state = ConflictState::new(&key_bindings);
 619
 620                if !this.keybinding_conflict_state.any_conflicts() {
 621                    this.filter_state = FilterState::All;
 622                }
 623
 624                this.keybindings = key_bindings;
 625                this.string_match_candidates = Arc::new(string_match_candidates);
 626                this.matches = this
 627                    .string_match_candidates
 628                    .iter()
 629                    .enumerate()
 630                    .map(|(ix, candidate)| StringMatch {
 631                        candidate_id: ix,
 632                        score: 0.0,
 633                        positions: vec![],
 634                        string: candidate.string.clone(),
 635                    })
 636                    .collect();
 637                (
 638                    this.current_action_query(cx),
 639                    this.current_keystroke_query(cx),
 640                )
 641            })?;
 642            // calls cx.notify
 643            Self::update_matches(this.clone(), action_query, keystroke_query, cx).await?;
 644            this.update(cx, |this, cx| {
 645                if let Some(previous_edit) = this.previous_edit.take() {
 646                    match previous_edit {
 647                        // should remove scroll from process_query
 648                        PreviousEdit::ScrollBarOffset(offset) => {
 649                            this.table_interaction_state.update(cx, |table, _| {
 650                                table.set_scrollbar_offset(Axis::Vertical, offset)
 651                            })
 652                            // set selected index and scroll
 653                        }
 654                        PreviousEdit::Keybinding {
 655                            action_mapping,
 656                            action_name,
 657                            fallback,
 658                        } => {
 659                            let scroll_position =
 660                                this.matches.iter().enumerate().find_map(|(index, item)| {
 661                                    let binding = &this.keybindings[item.candidate_id];
 662                                    if binding.get_action_mapping() == action_mapping
 663                                        && binding.action_name == action_name
 664                                    {
 665                                        Some(index)
 666                                    } else {
 667                                        None
 668                                    }
 669                                });
 670
 671                            if let Some(scroll_position) = scroll_position {
 672                                this.scroll_to_item(scroll_position, ScrollStrategy::Top, cx);
 673                                this.selected_index = Some(scroll_position);
 674                            } else {
 675                                this.table_interaction_state.update(cx, |table, _| {
 676                                    table.set_scrollbar_offset(Axis::Vertical, fallback)
 677                                });
 678                            }
 679                            cx.notify();
 680                        }
 681                    }
 682                }
 683            })
 684        })
 685        .detach_and_log_err(cx);
 686    }
 687
 688    fn key_context(&self) -> KeyContext {
 689        let mut dispatch_context = KeyContext::new_with_defaults();
 690        dispatch_context.add("KeymapEditor");
 691        dispatch_context.add("menu");
 692
 693        dispatch_context
 694    }
 695
 696    fn scroll_to_item(&self, index: usize, strategy: ScrollStrategy, cx: &mut App) {
 697        let index = usize::min(index, self.matches.len().saturating_sub(1));
 698        self.table_interaction_state.update(cx, |this, _cx| {
 699            this.scroll_handle.scroll_to_item(index, strategy);
 700        });
 701    }
 702
 703    fn focus_search(
 704        &mut self,
 705        _: &search::FocusSearch,
 706        window: &mut Window,
 707        cx: &mut Context<Self>,
 708    ) {
 709        if !self
 710            .filter_editor
 711            .focus_handle(cx)
 712            .contains_focused(window, cx)
 713        {
 714            window.focus(&self.filter_editor.focus_handle(cx));
 715        } else {
 716            self.filter_editor.update(cx, |editor, cx| {
 717                editor.select_all(&Default::default(), window, cx);
 718            });
 719        }
 720        self.selected_index.take();
 721    }
 722
 723    fn selected_keybind_index(&self) -> Option<usize> {
 724        self.selected_index
 725            .and_then(|match_index| self.matches.get(match_index))
 726            .map(|r#match| r#match.candidate_id)
 727    }
 728
 729    fn selected_keybind_and_index(&self) -> Option<(&ProcessedKeybinding, usize)> {
 730        self.selected_keybind_index()
 731            .map(|keybind_index| (&self.keybindings[keybind_index], keybind_index))
 732    }
 733
 734    fn selected_binding(&self) -> Option<&ProcessedKeybinding> {
 735        self.selected_keybind_index()
 736            .and_then(|keybind_index| self.keybindings.get(keybind_index))
 737    }
 738
 739    fn select_index(&mut self, index: usize, cx: &mut Context<Self>) {
 740        if self.selected_index != Some(index) {
 741            self.selected_index = Some(index);
 742            cx.notify();
 743        }
 744    }
 745
 746    fn create_context_menu(
 747        &mut self,
 748        position: Point<Pixels>,
 749        window: &mut Window,
 750        cx: &mut Context<Self>,
 751    ) {
 752        let weak = cx.weak_entity();
 753        self.context_menu = self.selected_binding().map(|selected_binding| {
 754            let key_strokes = selected_binding
 755                .keystrokes()
 756                .map(Vec::from)
 757                .unwrap_or_default();
 758            let selected_binding_has_no_context = selected_binding
 759                .context
 760                .as_ref()
 761                .and_then(KeybindContextString::local)
 762                .is_none();
 763
 764            let selected_binding_is_unbound = selected_binding.keystrokes().is_none();
 765
 766            let context_menu = ContextMenu::build(window, cx, |menu, _window, _cx| {
 767                menu.context(self.focus_handle.clone())
 768                    .action_disabled_when(
 769                        selected_binding_is_unbound,
 770                        "Edit",
 771                        Box::new(EditBinding),
 772                    )
 773                    .action("Create", Box::new(CreateBinding))
 774                    .action_disabled_when(
 775                        selected_binding_is_unbound,
 776                        "Delete",
 777                        Box::new(DeleteBinding),
 778                    )
 779                    .separator()
 780                    .action("Copy Action", Box::new(CopyAction))
 781                    .action_disabled_when(
 782                        selected_binding_has_no_context,
 783                        "Copy Context",
 784                        Box::new(CopyContext),
 785                    )
 786                    .entry("Show matching keybindings", None, {
 787                        let weak = weak.clone();
 788                        let key_strokes = key_strokes.clone();
 789
 790                        move |_, cx| {
 791                            weak.update(cx, |this, cx| {
 792                                this.filter_state = FilterState::All;
 793                                this.search_mode = SearchMode::KeyStroke { exact_match: true };
 794
 795                                this.keystroke_editor.update(cx, |editor, cx| {
 796                                    editor.set_keystrokes(key_strokes.clone(), cx);
 797                                });
 798                            })
 799                            .ok();
 800                        }
 801                    })
 802            });
 803
 804            let context_menu_handle = context_menu.focus_handle(cx);
 805            window.defer(cx, move |window, _cx| window.focus(&context_menu_handle));
 806            let subscription = cx.subscribe_in(
 807                &context_menu,
 808                window,
 809                |this, _, _: &DismissEvent, window, cx| {
 810                    this.dismiss_context_menu(window, cx);
 811                },
 812            );
 813            (context_menu, position, subscription)
 814        });
 815
 816        cx.notify();
 817    }
 818
 819    fn dismiss_context_menu(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 820        self.context_menu.take();
 821        window.focus(&self.focus_handle);
 822        cx.notify();
 823    }
 824
 825    fn context_menu_deployed(&self) -> bool {
 826        self.context_menu.is_some()
 827    }
 828
 829    fn select_next(&mut self, _: &menu::SelectNext, window: &mut Window, cx: &mut Context<Self>) {
 830        self.show_hover_menus = false;
 831        if let Some(selected) = self.selected_index {
 832            let selected = selected + 1;
 833            if selected >= self.matches.len() {
 834                self.select_last(&Default::default(), window, cx);
 835            } else {
 836                self.selected_index = Some(selected);
 837                self.scroll_to_item(selected, ScrollStrategy::Center, cx);
 838                cx.notify();
 839            }
 840        } else {
 841            self.select_first(&Default::default(), window, cx);
 842        }
 843    }
 844
 845    fn select_previous(
 846        &mut self,
 847        _: &menu::SelectPrevious,
 848        window: &mut Window,
 849        cx: &mut Context<Self>,
 850    ) {
 851        self.show_hover_menus = false;
 852        if let Some(selected) = self.selected_index {
 853            if selected == 0 {
 854                return;
 855            }
 856
 857            let selected = selected - 1;
 858
 859            if selected >= self.matches.len() {
 860                self.select_last(&Default::default(), window, cx);
 861            } else {
 862                self.selected_index = Some(selected);
 863                self.scroll_to_item(selected, ScrollStrategy::Center, cx);
 864                cx.notify();
 865            }
 866        } else {
 867            self.select_last(&Default::default(), window, cx);
 868        }
 869    }
 870
 871    fn select_first(
 872        &mut self,
 873        _: &menu::SelectFirst,
 874        _window: &mut Window,
 875        cx: &mut Context<Self>,
 876    ) {
 877        self.show_hover_menus = false;
 878        if self.matches.get(0).is_some() {
 879            self.selected_index = Some(0);
 880            self.scroll_to_item(0, ScrollStrategy::Center, cx);
 881            cx.notify();
 882        }
 883    }
 884
 885    fn select_last(&mut self, _: &menu::SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
 886        self.show_hover_menus = false;
 887        if self.matches.last().is_some() {
 888            let index = self.matches.len() - 1;
 889            self.selected_index = Some(index);
 890            self.scroll_to_item(index, ScrollStrategy::Center, cx);
 891            cx.notify();
 892        }
 893    }
 894
 895    fn open_edit_keybinding_modal(
 896        &mut self,
 897        create: bool,
 898        window: &mut Window,
 899        cx: &mut Context<Self>,
 900    ) {
 901        self.show_hover_menus = false;
 902        let Some((keybind, keybind_index)) = self.selected_keybind_and_index() else {
 903            return;
 904        };
 905        let keybind = keybind.clone();
 906        let keymap_editor = cx.entity();
 907
 908        let arguments = keybind
 909            .action_arguments
 910            .as_ref()
 911            .map(|arguments| arguments.text.clone());
 912        let context = keybind
 913            .context
 914            .as_ref()
 915            .map(|context| context.local_str().unwrap_or("global"));
 916        let source = keybind.source.as_ref().map(|source| source.1.clone());
 917
 918        telemetry::event!(
 919            "Edit Keybinding Modal Opened",
 920            keystroke = keybind.keystroke_text,
 921            action = keybind.action_name,
 922            source = source,
 923            context = context,
 924            arguments = arguments,
 925        );
 926
 927        self.workspace
 928            .update(cx, |workspace, cx| {
 929                let fs = workspace.app_state().fs.clone();
 930                let workspace_weak = cx.weak_entity();
 931                workspace.toggle_modal(window, cx, |window, cx| {
 932                    let modal = KeybindingEditorModal::new(
 933                        create,
 934                        keybind,
 935                        keybind_index,
 936                        keymap_editor,
 937                        workspace_weak,
 938                        fs,
 939                        window,
 940                        cx,
 941                    );
 942                    window.focus(&modal.focus_handle(cx));
 943                    modal
 944                });
 945            })
 946            .log_err();
 947    }
 948
 949    fn edit_binding(&mut self, _: &EditBinding, window: &mut Window, cx: &mut Context<Self>) {
 950        self.open_edit_keybinding_modal(false, window, cx);
 951    }
 952
 953    fn create_binding(&mut self, _: &CreateBinding, window: &mut Window, cx: &mut Context<Self>) {
 954        self.open_edit_keybinding_modal(true, window, cx);
 955    }
 956
 957    fn delete_binding(&mut self, _: &DeleteBinding, window: &mut Window, cx: &mut Context<Self>) {
 958        let Some(to_remove) = self.selected_binding().cloned() else {
 959            return;
 960        };
 961
 962        let std::result::Result::Ok(fs) = self
 963            .workspace
 964            .read_with(cx, |workspace, _| workspace.app_state().fs.clone())
 965        else {
 966            return;
 967        };
 968        let tab_size = cx.global::<settings::SettingsStore>().json_tab_size();
 969        self.previous_edit = Some(PreviousEdit::ScrollBarOffset(
 970            self.table_interaction_state
 971                .read(cx)
 972                .get_scrollbar_offset(Axis::Vertical),
 973        ));
 974        cx.spawn(async move |_, _| remove_keybinding(to_remove, &fs, tab_size).await)
 975            .detach_and_notify_err(window, cx);
 976    }
 977
 978    fn copy_context_to_clipboard(
 979        &mut self,
 980        _: &CopyContext,
 981        _window: &mut Window,
 982        cx: &mut Context<Self>,
 983    ) {
 984        let context = self
 985            .selected_binding()
 986            .and_then(|binding| binding.context.as_ref())
 987            .and_then(KeybindContextString::local_str)
 988            .map(|context| context.to_string());
 989        let Some(context) = context else {
 990            return;
 991        };
 992
 993        telemetry::event!("Keybinding Context Copied", context = context.clone());
 994        cx.write_to_clipboard(gpui::ClipboardItem::new_string(context.clone()));
 995    }
 996
 997    fn copy_action_to_clipboard(
 998        &mut self,
 999        _: &CopyAction,
1000        _window: &mut Window,
1001        cx: &mut Context<Self>,
1002    ) {
1003        let action = self
1004            .selected_binding()
1005            .map(|binding| binding.action_name.to_string());
1006        let Some(action) = action else {
1007            return;
1008        };
1009
1010        telemetry::event!("Keybinding Action Copied", action = action.clone());
1011        cx.write_to_clipboard(gpui::ClipboardItem::new_string(action.clone()));
1012    }
1013
1014    fn toggle_conflict_filter(
1015        &mut self,
1016        _: &ToggleConflictFilter,
1017        _: &mut Window,
1018        cx: &mut Context<Self>,
1019    ) {
1020        self.set_filter_state(self.filter_state.invert(), cx);
1021    }
1022
1023    fn set_filter_state(&mut self, filter_state: FilterState, cx: &mut Context<Self>) {
1024        if self.filter_state != filter_state {
1025            self.filter_state = filter_state;
1026            self.on_query_changed(cx);
1027        }
1028    }
1029
1030    fn toggle_keystroke_search(
1031        &mut self,
1032        _: &ToggleKeystrokeSearch,
1033        window: &mut Window,
1034        cx: &mut Context<Self>,
1035    ) {
1036        self.search_mode = self.search_mode.invert();
1037        self.on_query_changed(cx);
1038
1039        match self.search_mode {
1040            SearchMode::KeyStroke { .. } => {
1041                window.focus(&self.keystroke_editor.read(cx).recording_focus_handle(cx));
1042            }
1043            SearchMode::Normal => {
1044                self.keystroke_editor.update(cx, |editor, cx| {
1045                    editor.clear_keystrokes(&ClearKeystrokes, window, cx)
1046                });
1047                window.focus(&self.filter_editor.focus_handle(cx));
1048            }
1049        }
1050    }
1051
1052    fn toggle_exact_keystroke_matching(
1053        &mut self,
1054        _: &ToggleExactKeystrokeMatching,
1055        _: &mut Window,
1056        cx: &mut Context<Self>,
1057    ) {
1058        let SearchMode::KeyStroke { exact_match } = &mut self.search_mode else {
1059            return;
1060        };
1061
1062        *exact_match = !(*exact_match);
1063        self.on_query_changed(cx);
1064    }
1065}
1066
1067#[derive(Clone)]
1068struct ProcessedKeybinding {
1069    keystroke_text: SharedString,
1070    ui_key_binding: Option<ui::KeyBinding>,
1071    action_name: &'static str,
1072    action_arguments: Option<SyntaxHighlightedText>,
1073    action_docs: Option<&'static str>,
1074    action_schema: Option<schemars::Schema>,
1075    context: Option<KeybindContextString>,
1076    source: Option<(KeybindSource, SharedString)>,
1077}
1078
1079impl ProcessedKeybinding {
1080    fn get_action_mapping(&self) -> ActionMapping {
1081        ActionMapping {
1082            keystroke_text: self.keystroke_text.clone(),
1083            context: self
1084                .context
1085                .as_ref()
1086                .and_then(|context| context.local())
1087                .cloned(),
1088        }
1089    }
1090
1091    fn keystrokes(&self) -> Option<&[Keystroke]> {
1092        self.ui_key_binding
1093            .as_ref()
1094            .map(|binding| binding.keystrokes.as_slice())
1095    }
1096}
1097
1098#[derive(Clone, Debug, IntoElement, PartialEq, Eq, Hash)]
1099enum KeybindContextString {
1100    Global,
1101    Local(SharedString, Arc<Language>),
1102}
1103
1104impl KeybindContextString {
1105    const GLOBAL: SharedString = SharedString::new_static("<global>");
1106
1107    pub fn local(&self) -> Option<&SharedString> {
1108        match self {
1109            KeybindContextString::Global => None,
1110            KeybindContextString::Local(name, _) => Some(name),
1111        }
1112    }
1113
1114    pub fn local_str(&self) -> Option<&str> {
1115        match self {
1116            KeybindContextString::Global => None,
1117            KeybindContextString::Local(name, _) => Some(name),
1118        }
1119    }
1120}
1121
1122impl RenderOnce for KeybindContextString {
1123    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
1124        match self {
1125            KeybindContextString::Global => {
1126                muted_styled_text(KeybindContextString::GLOBAL.clone(), cx).into_any_element()
1127            }
1128            KeybindContextString::Local(name, language) => {
1129                SyntaxHighlightedText::new(name, language).into_any_element()
1130            }
1131        }
1132    }
1133}
1134
1135fn muted_styled_text(text: SharedString, cx: &App) -> StyledText {
1136    let len = text.len();
1137    StyledText::new(text).with_highlights([(
1138        0..len,
1139        gpui::HighlightStyle::color(cx.theme().colors().text_muted),
1140    )])
1141}
1142
1143impl Item for KeymapEditor {
1144    type Event = ();
1145
1146    fn tab_content_text(&self, _detail: usize, _cx: &App) -> ui::SharedString {
1147        "Keymap Editor".into()
1148    }
1149}
1150
1151impl Render for KeymapEditor {
1152    fn render(&mut self, _window: &mut Window, cx: &mut ui::Context<Self>) -> impl ui::IntoElement {
1153        let row_count = self.matches.len();
1154        let theme = cx.theme();
1155
1156        v_flex()
1157            .id("keymap-editor")
1158            .track_focus(&self.focus_handle)
1159            .key_context(self.key_context())
1160            .on_action(cx.listener(Self::select_next))
1161            .on_action(cx.listener(Self::select_previous))
1162            .on_action(cx.listener(Self::select_first))
1163            .on_action(cx.listener(Self::select_last))
1164            .on_action(cx.listener(Self::focus_search))
1165            .on_action(cx.listener(Self::edit_binding))
1166            .on_action(cx.listener(Self::create_binding))
1167            .on_action(cx.listener(Self::delete_binding))
1168            .on_action(cx.listener(Self::copy_action_to_clipboard))
1169            .on_action(cx.listener(Self::copy_context_to_clipboard))
1170            .on_action(cx.listener(Self::toggle_conflict_filter))
1171            .on_action(cx.listener(Self::toggle_keystroke_search))
1172            .on_action(cx.listener(Self::toggle_exact_keystroke_matching))
1173            .size_full()
1174            .p_2()
1175            .gap_1()
1176            .bg(theme.colors().editor_background)
1177            .on_mouse_move(cx.listener(|this, _, _window, _cx| {
1178                this.show_hover_menus = true;
1179            }))
1180            .child(
1181                v_flex()
1182                    .p_2()
1183                    .gap_2()
1184                    .child(
1185                        h_flex()
1186                            .gap_2()
1187                            .child(
1188                                div()
1189                                    .key_context({
1190                                        let mut context = KeyContext::new_with_defaults();
1191                                        context.add("BufferSearchBar");
1192                                        context
1193                                    })
1194                                    .size_full()
1195                                    .h_8()
1196                                    .pl_2()
1197                                    .pr_1()
1198                                    .py_1()
1199                                    .border_1()
1200                                    .border_color(theme.colors().border)
1201                                    .rounded_lg()
1202                                    .child(self.filter_editor.clone()),
1203                            )
1204                            .child(
1205                                IconButton::new(
1206                                    "KeymapEditorToggleFiltersIcon",
1207                                    IconName::Keyboard,
1208                                )
1209                                .shape(ui::IconButtonShape::Square)
1210                                .tooltip(|window, cx| {
1211                                    Tooltip::for_action(
1212                                        "Search by Keystroke",
1213                                        &ToggleKeystrokeSearch,
1214                                        window,
1215                                        cx,
1216                                    )
1217                                })
1218                                .toggle_state(matches!(
1219                                    self.search_mode,
1220                                    SearchMode::KeyStroke { .. }
1221                                ))
1222                                .on_click(|_, window, cx| {
1223                                    window.dispatch_action(ToggleKeystrokeSearch.boxed_clone(), cx);
1224                                }),
1225                            )
1226                            .when(self.keybinding_conflict_state.any_conflicts(), |this| {
1227                                this.child(
1228                                    IconButton::new("KeymapEditorConflictIcon", IconName::Warning)
1229                                        .shape(ui::IconButtonShape::Square)
1230                                        .tooltip({
1231                                            let filter_state = self.filter_state;
1232
1233                                            move |window, cx| {
1234                                                Tooltip::for_action(
1235                                                    match filter_state {
1236                                                        FilterState::All => "Show Conflicts",
1237                                                        FilterState::Conflicts => "Hide Conflicts",
1238                                                    },
1239                                                    &ToggleConflictFilter,
1240                                                    window,
1241                                                    cx,
1242                                                )
1243                                            }
1244                                        })
1245                                        .selected_icon_color(Color::Warning)
1246                                        .toggle_state(matches!(
1247                                            self.filter_state,
1248                                            FilterState::Conflicts
1249                                        ))
1250                                        .on_click(|_, window, cx| {
1251                                            window.dispatch_action(
1252                                                ToggleConflictFilter.boxed_clone(),
1253                                                cx,
1254                                            );
1255                                        }),
1256                                )
1257                            }),
1258                    )
1259                    .when_some(
1260                        match self.search_mode {
1261                            SearchMode::Normal => None,
1262                            SearchMode::KeyStroke { exact_match } => Some(exact_match),
1263                        },
1264                        |this, exact_match| {
1265                            this.child(
1266                                h_flex()
1267                                    .map(|this| {
1268                                        if self.keybinding_conflict_state.any_conflicts() {
1269                                            this.pr(rems_from_px(54.))
1270                                        } else {
1271                                            this.pr_7()
1272                                        }
1273                                    })
1274                                    .child(self.keystroke_editor.clone())
1275                                    .child(
1276                                        div().p_1().child(
1277                                            IconButton::new(
1278                                                "keystrokes-exact-match",
1279                                                IconName::Equal,
1280                                            )
1281                                            .tooltip(move |window, cx| {
1282                                                Tooltip::for_action(
1283                                                    if exact_match {
1284                                                        "Partial match mode"
1285                                                    } else {
1286                                                        "Exact match mode"
1287                                                    },
1288                                                    &ToggleExactKeystrokeMatching,
1289                                                    window,
1290                                                    cx,
1291                                                )
1292                                            })
1293                                            .shape(IconButtonShape::Square)
1294                                            .toggle_state(exact_match)
1295                                            .on_click(
1296                                                cx.listener(|_, _, window, cx| {
1297                                                    window.dispatch_action(
1298                                                        ToggleExactKeystrokeMatching.boxed_clone(),
1299                                                        cx,
1300                                                    );
1301                                                }),
1302                                            ),
1303                                        ),
1304                                    ),
1305                            )
1306                        },
1307                    ),
1308            )
1309            .child(
1310                Table::new()
1311                    .interactable(&self.table_interaction_state)
1312                    .striped()
1313                    .column_widths([
1314                        rems(2.5),
1315                        rems(16.),
1316                        rems(16.),
1317                        rems(16.),
1318                        rems(32.),
1319                        rems(8.),
1320                    ])
1321                    .header(["", "Action", "Arguments", "Keystrokes", "Context", "Source"])
1322                    .uniform_list(
1323                        "keymap-editor-table",
1324                        row_count,
1325                        cx.processor(move |this, range: Range<usize>, _window, cx| {
1326                            let context_menu_deployed = this.context_menu_deployed();
1327                            range
1328                                .filter_map(|index| {
1329                                    let candidate_id = this.matches.get(index)?.candidate_id;
1330                                    let binding = &this.keybindings[candidate_id];
1331                                    let action_name = binding.action_name;
1332
1333                                    let icon = if this.filter_state != FilterState::Conflicts
1334                                        && this.has_conflict(index)
1335                                    {
1336                                        base_button_style(index, IconName::Warning)
1337                                            .icon_color(Color::Warning)
1338                                            .tooltip(|window, cx| {
1339                                                Tooltip::with_meta(
1340                                                    "View conflicts",
1341                                                    Some(&ToggleConflictFilter),
1342                                                    "Use alt+click to show all conflicts",
1343                                                    window,
1344                                                    cx,
1345                                                )
1346                                            })
1347                                            .on_click(cx.listener(
1348                                                move |this, click: &ClickEvent, window, cx| {
1349                                                    if click.modifiers().alt {
1350                                                        this.set_filter_state(
1351                                                            FilterState::Conflicts,
1352                                                            cx,
1353                                                        );
1354                                                    } else {
1355                                                        this.select_index(index, cx);
1356                                                        this.open_edit_keybinding_modal(
1357                                                            false, window, cx,
1358                                                        );
1359                                                        cx.stop_propagation();
1360                                                    }
1361                                                },
1362                                            ))
1363                                            .into_any_element()
1364                                    } else {
1365                                        base_button_style(index, IconName::Pencil)
1366                                            .visible_on_hover(
1367                                                if this.selected_index == Some(index) {
1368                                                    "".into()
1369                                                } else if this.show_hover_menus {
1370                                                    row_group_id(index)
1371                                                } else {
1372                                                    "never-show".into()
1373                                                },
1374                                            )
1375                                            .when(
1376                                                this.show_hover_menus && !context_menu_deployed,
1377                                                |this| {
1378                                                    this.tooltip(Tooltip::for_action_title(
1379                                                        "Edit Keybinding",
1380                                                        &EditBinding,
1381                                                    ))
1382                                                },
1383                                            )
1384                                            .on_click(cx.listener(move |this, _, window, cx| {
1385                                                this.select_index(index, cx);
1386                                                this.open_edit_keybinding_modal(false, window, cx);
1387                                                cx.stop_propagation();
1388                                            }))
1389                                            .into_any_element()
1390                                    };
1391
1392                                    let action = div()
1393                                        .id(("keymap action", index))
1394                                        .child({
1395                                            if action_name != gpui::NoAction.name() {
1396                                                this.humanized_action_names
1397                                                    .get(action_name)
1398                                                    .cloned()
1399                                                    .unwrap_or(action_name.into())
1400                                                    .into_any_element()
1401                                            } else {
1402                                                const NULL: SharedString =
1403                                                    SharedString::new_static("<null>");
1404                                                muted_styled_text(NULL.clone(), cx)
1405                                                    .into_any_element()
1406                                            }
1407                                        })
1408                                        .when(
1409                                            !context_menu_deployed && this.show_hover_menus,
1410                                            |this| {
1411                                                this.tooltip({
1412                                                    let action_name = binding.action_name;
1413                                                    let action_docs = binding.action_docs;
1414                                                    move |_, cx| {
1415                                                        let action_tooltip =
1416                                                            Tooltip::new(action_name);
1417                                                        let action_tooltip = match action_docs {
1418                                                            Some(docs) => action_tooltip.meta(docs),
1419                                                            None => action_tooltip,
1420                                                        };
1421                                                        cx.new(|_| action_tooltip).into()
1422                                                    }
1423                                                })
1424                                            },
1425                                        )
1426                                        .into_any_element();
1427                                    let keystrokes = binding.ui_key_binding.clone().map_or(
1428                                        binding.keystroke_text.clone().into_any_element(),
1429                                        IntoElement::into_any_element,
1430                                    );
1431                                    let action_arguments = match binding.action_arguments.clone() {
1432                                        Some(arguments) => arguments.into_any_element(),
1433                                        None => {
1434                                            if binding.action_schema.is_some() {
1435                                                muted_styled_text(NO_ACTION_ARGUMENTS_TEXT, cx)
1436                                                    .into_any_element()
1437                                            } else {
1438                                                gpui::Empty.into_any_element()
1439                                            }
1440                                        }
1441                                    };
1442                                    let context = binding.context.clone().map_or(
1443                                        gpui::Empty.into_any_element(),
1444                                        |context| {
1445                                            let is_local = context.local().is_some();
1446
1447                                            div()
1448                                                .id(("keymap context", index))
1449                                                .child(context.clone())
1450                                                .when(
1451                                                    is_local
1452                                                        && !context_menu_deployed
1453                                                        && this.show_hover_menus,
1454                                                    |this| {
1455                                                        this.tooltip(Tooltip::element({
1456                                                            move |_, _| {
1457                                                                context.clone().into_any_element()
1458                                                            }
1459                                                        }))
1460                                                    },
1461                                                )
1462                                                .into_any_element()
1463                                        },
1464                                    );
1465                                    let source = binding
1466                                        .source
1467                                        .clone()
1468                                        .map(|(_source, name)| name)
1469                                        .unwrap_or_default()
1470                                        .into_any_element();
1471                                    Some([
1472                                        icon,
1473                                        action,
1474                                        action_arguments,
1475                                        keystrokes,
1476                                        context,
1477                                        source,
1478                                    ])
1479                                })
1480                                .collect()
1481                        }),
1482                    )
1483                    .map_row(
1484                        cx.processor(|this, (row_index, row): (usize, Div), _window, cx| {
1485                            let is_conflict = this.has_conflict(row_index);
1486                            let is_selected = this.selected_index == Some(row_index);
1487
1488                            let row_id = row_group_id(row_index);
1489
1490                            let row = row
1491                                .id(row_id.clone())
1492                                .on_any_mouse_down(cx.listener(
1493                                    move |this,
1494                                          mouse_down_event: &gpui::MouseDownEvent,
1495                                          window,
1496                                          cx| {
1497                                        match mouse_down_event.button {
1498                                            MouseButton::Right => {
1499                                                this.select_index(row_index, cx);
1500                                                this.create_context_menu(
1501                                                    mouse_down_event.position,
1502                                                    window,
1503                                                    cx,
1504                                                );
1505                                            }
1506                                            _ => {}
1507                                        }
1508                                    },
1509                                ))
1510                                .on_click(cx.listener(
1511                                    move |this, event: &ClickEvent, window, cx| {
1512                                        this.select_index(row_index, cx);
1513                                        if event.up.click_count == 2 {
1514                                            this.open_edit_keybinding_modal(false, window, cx);
1515                                        }
1516                                    },
1517                                ))
1518                                .group(row_id)
1519                                .border_2()
1520                                .when(is_conflict, |row| {
1521                                    row.bg(cx.theme().status().error_background)
1522                                })
1523                                .when(is_selected, |row| {
1524                                    row.border_color(cx.theme().colors().panel_focused_border)
1525                                });
1526
1527                            row.into_any_element()
1528                        }),
1529                    ),
1530            )
1531            .on_scroll_wheel(cx.listener(|this, event: &ScrollWheelEvent, _, cx| {
1532                // This ensures that the menu is not dismissed in cases where scroll events
1533                // with a delta of zero are emitted
1534                if !event.delta.pixel_delta(px(1.)).y.is_zero() {
1535                    this.context_menu.take();
1536                    cx.notify();
1537                }
1538            }))
1539            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
1540                deferred(
1541                    anchored()
1542                        .position(*position)
1543                        .anchor(gpui::Corner::TopLeft)
1544                        .child(menu.clone()),
1545                )
1546                .with_priority(1)
1547            }))
1548    }
1549}
1550
1551fn row_group_id(row_index: usize) -> SharedString {
1552    SharedString::new(format!("keymap-table-row-{}", row_index))
1553}
1554
1555fn base_button_style(row_index: usize, icon: IconName) -> IconButton {
1556    IconButton::new(("keymap-icon", row_index), icon)
1557        .shape(IconButtonShape::Square)
1558        .size(ButtonSize::Compact)
1559}
1560
1561#[derive(Debug, Clone, IntoElement)]
1562struct SyntaxHighlightedText {
1563    text: SharedString,
1564    language: Arc<Language>,
1565}
1566
1567impl SyntaxHighlightedText {
1568    pub fn new(text: impl Into<SharedString>, language: Arc<Language>) -> Self {
1569        Self {
1570            text: text.into(),
1571            language,
1572        }
1573    }
1574}
1575
1576impl RenderOnce for SyntaxHighlightedText {
1577    fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
1578        let text_style = window.text_style();
1579        let syntax_theme = cx.theme().syntax();
1580
1581        let text = self.text.clone();
1582
1583        let highlights = self
1584            .language
1585            .highlight_text(&text.as_ref().into(), 0..text.len());
1586        let mut runs = Vec::with_capacity(highlights.len());
1587        let mut offset = 0;
1588
1589        for (highlight_range, highlight_id) in highlights {
1590            // Add un-highlighted text before the current highlight
1591            if highlight_range.start > offset {
1592                runs.push(text_style.to_run(highlight_range.start - offset));
1593            }
1594
1595            let mut run_style = text_style.clone();
1596            if let Some(highlight_style) = highlight_id.style(syntax_theme) {
1597                run_style = run_style.highlight(highlight_style);
1598            }
1599            // add the highlighted range
1600            runs.push(run_style.to_run(highlight_range.len()));
1601            offset = highlight_range.end;
1602        }
1603
1604        // Add any remaining un-highlighted text
1605        if offset < text.len() {
1606            runs.push(text_style.to_run(text.len() - offset));
1607        }
1608
1609        return StyledText::new(text).with_runs(runs);
1610    }
1611}
1612
1613#[derive(PartialEq)]
1614enum InputError {
1615    Warning(SharedString),
1616    Error(SharedString),
1617}
1618
1619impl InputError {
1620    fn warning(message: impl Into<SharedString>) -> Self {
1621        Self::Warning(message.into())
1622    }
1623
1624    fn error(message: impl Into<SharedString>) -> Self {
1625        Self::Error(message.into())
1626    }
1627
1628    fn content(&self) -> &SharedString {
1629        match self {
1630            InputError::Warning(content) | InputError::Error(content) => content,
1631        }
1632    }
1633
1634    fn is_warning(&self) -> bool {
1635        matches!(self, InputError::Warning(_))
1636    }
1637}
1638
1639struct KeybindingEditorModal {
1640    creating: bool,
1641    editing_keybind: ProcessedKeybinding,
1642    editing_keybind_idx: usize,
1643    keybind_editor: Entity<KeystrokeInput>,
1644    context_editor: Entity<SingleLineInput>,
1645    action_arguments_editor: Option<Entity<Editor>>,
1646    fs: Arc<dyn Fs>,
1647    error: Option<InputError>,
1648    keymap_editor: Entity<KeymapEditor>,
1649    workspace: WeakEntity<Workspace>,
1650    focus_state: KeybindingEditorModalFocusState,
1651}
1652
1653impl ModalView for KeybindingEditorModal {}
1654
1655impl EventEmitter<DismissEvent> for KeybindingEditorModal {}
1656
1657impl Focusable for KeybindingEditorModal {
1658    fn focus_handle(&self, cx: &App) -> FocusHandle {
1659        self.keybind_editor.focus_handle(cx)
1660    }
1661}
1662
1663impl KeybindingEditorModal {
1664    pub fn new(
1665        create: bool,
1666        editing_keybind: ProcessedKeybinding,
1667        editing_keybind_idx: usize,
1668        keymap_editor: Entity<KeymapEditor>,
1669        workspace: WeakEntity<Workspace>,
1670        fs: Arc<dyn Fs>,
1671        window: &mut Window,
1672        cx: &mut App,
1673    ) -> Self {
1674        let keybind_editor = cx
1675            .new(|cx| KeystrokeInput::new(editing_keybind.keystrokes().map(Vec::from), window, cx));
1676
1677        let context_editor: Entity<SingleLineInput> = cx.new(|cx| {
1678            let input = SingleLineInput::new(window, cx, "Keybinding Context")
1679                .label("Edit Context")
1680                .label_size(LabelSize::Default);
1681
1682            if let Some(context) = editing_keybind
1683                .context
1684                .as_ref()
1685                .and_then(KeybindContextString::local)
1686            {
1687                input.editor().update(cx, |editor, cx| {
1688                    editor.set_text(context.clone(), window, cx);
1689                });
1690            }
1691
1692            let editor_entity = input.editor().clone();
1693            let workspace = workspace.clone();
1694            cx.spawn(async move |_input_handle, cx| {
1695                let contexts = cx
1696                    .background_spawn(async { collect_contexts_from_assets() })
1697                    .await;
1698
1699                let language = load_keybind_context_language(workspace, cx).await;
1700                editor_entity
1701                    .update(cx, |editor, cx| {
1702                        if let Some(buffer) = editor.buffer().read(cx).as_singleton() {
1703                            buffer.update(cx, |buffer, cx| {
1704                                buffer.set_language(Some(language), cx);
1705                            });
1706                        }
1707                        editor.set_completion_provider(Some(std::rc::Rc::new(
1708                            KeyContextCompletionProvider { contexts },
1709                        )));
1710                    })
1711                    .context("Failed to load completions for keybinding context")
1712            })
1713            .detach_and_log_err(cx);
1714
1715            input
1716        });
1717
1718        let action_arguments_editor = editing_keybind.action_schema.clone().map(|_schema| {
1719            cx.new(|cx| {
1720                let mut editor = Editor::auto_height_unbounded(1, window, cx);
1721                let workspace = workspace.clone();
1722
1723                if let Some(arguments) = editing_keybind.action_arguments.clone() {
1724                    editor.set_text(arguments.text, window, cx);
1725                } else {
1726                    // TODO: default value from schema?
1727                    editor.set_placeholder_text("Action Arguments", cx);
1728                }
1729                cx.spawn(async |editor, cx| {
1730                    let json_language = load_json_language(workspace, cx).await;
1731                    editor
1732                        .update(cx, |editor, cx| {
1733                            if let Some(buffer) = editor.buffer().read(cx).as_singleton() {
1734                                buffer.update(cx, |buffer, cx| {
1735                                    buffer.set_language(Some(json_language), cx)
1736                                });
1737                            }
1738                        })
1739                        .context("Failed to load JSON language for editing keybinding action arguments input")
1740                })
1741                .detach_and_log_err(cx);
1742                editor
1743            })
1744        });
1745
1746        let focus_state = KeybindingEditorModalFocusState::new(
1747            keybind_editor.read_with(cx, |keybind_editor, cx| keybind_editor.focus_handle(cx)),
1748            action_arguments_editor.as_ref().map(|args_editor| {
1749                args_editor.read_with(cx, |args_editor, cx| args_editor.focus_handle(cx))
1750            }),
1751            context_editor.read_with(cx, |context_editor, cx| context_editor.focus_handle(cx)),
1752        );
1753
1754        Self {
1755            creating: create,
1756            editing_keybind,
1757            editing_keybind_idx,
1758            fs,
1759            keybind_editor,
1760            context_editor,
1761            action_arguments_editor,
1762            error: None,
1763            keymap_editor,
1764            workspace,
1765            focus_state,
1766        }
1767    }
1768
1769    fn set_error(&mut self, error: InputError, cx: &mut Context<Self>) -> bool {
1770        if self
1771            .error
1772            .as_ref()
1773            .is_some_and(|old_error| old_error.is_warning() && *old_error == error)
1774        {
1775            false
1776        } else {
1777            self.error = Some(error);
1778            cx.notify();
1779            true
1780        }
1781    }
1782
1783    fn validate_action_arguments(&self, cx: &App) -> anyhow::Result<Option<String>> {
1784        let action_arguments = self
1785            .action_arguments_editor
1786            .as_ref()
1787            .map(|editor| editor.read(cx).text(cx));
1788
1789        let value = action_arguments
1790            .as_ref()
1791            .map(|args| {
1792                serde_json::from_str(args).context("Failed to parse action arguments as JSON")
1793            })
1794            .transpose()?;
1795
1796        cx.build_action(&self.editing_keybind.action_name, value)
1797            .context("Failed to validate action arguments")?;
1798        Ok(action_arguments)
1799    }
1800
1801    fn validate_keystrokes(&self, cx: &App) -> anyhow::Result<Vec<Keystroke>> {
1802        let new_keystrokes = self
1803            .keybind_editor
1804            .read_with(cx, |editor, _| editor.keystrokes().to_vec());
1805        anyhow::ensure!(!new_keystrokes.is_empty(), "Keystrokes cannot be empty");
1806        Ok(new_keystrokes)
1807    }
1808
1809    fn validate_context(&self, cx: &App) -> anyhow::Result<Option<String>> {
1810        let new_context = self
1811            .context_editor
1812            .read_with(cx, |input, cx| input.editor().read(cx).text(cx));
1813        let Some(context) = new_context.is_empty().not().then_some(new_context) else {
1814            return Ok(None);
1815        };
1816        gpui::KeyBindingContextPredicate::parse(&context).context("Failed to parse key context")?;
1817
1818        Ok(Some(context))
1819    }
1820
1821    fn save(&mut self, cx: &mut Context<Self>) {
1822        let existing_keybind = self.editing_keybind.clone();
1823        let fs = self.fs.clone();
1824        let tab_size = cx.global::<settings::SettingsStore>().json_tab_size();
1825        let new_keystrokes = match self.validate_keystrokes(cx) {
1826            Err(err) => {
1827                self.set_error(InputError::error(err.to_string()), cx);
1828                return;
1829            }
1830            Ok(keystrokes) => keystrokes,
1831        };
1832
1833        let new_context = match self.validate_context(cx) {
1834            Err(err) => {
1835                self.set_error(InputError::error(err.to_string()), cx);
1836                return;
1837            }
1838            Ok(context) => context,
1839        };
1840
1841        let new_action_args = match self.validate_action_arguments(cx) {
1842            Err(input_err) => {
1843                self.set_error(InputError::error(input_err.to_string()), cx);
1844                return;
1845            }
1846            Ok(input) => input,
1847        };
1848
1849        let action_mapping = ActionMapping {
1850            keystroke_text: ui::text_for_keystrokes(&new_keystrokes, cx).into(),
1851            context: new_context.as_ref().map(Into::into),
1852        };
1853
1854        let conflicting_indices = if self.creating {
1855            self.keymap_editor
1856                .read(cx)
1857                .keybinding_conflict_state
1858                .will_conflict(action_mapping)
1859        } else {
1860            self.keymap_editor
1861                .read(cx)
1862                .keybinding_conflict_state
1863                .conflicting_indices_for_mapping(action_mapping, self.editing_keybind_idx)
1864        };
1865        if let Some(conflicting_indices) = conflicting_indices {
1866            let first_conflicting_index = conflicting_indices[0];
1867            let conflicting_action_name = self
1868                .keymap_editor
1869                .read(cx)
1870                .keybindings
1871                .get(first_conflicting_index)
1872                .map(|keybind| keybind.action_name);
1873
1874            let warning_message = match conflicting_action_name {
1875                Some(name) => {
1876                    let confliction_action_amount = conflicting_indices.len() - 1;
1877                    if confliction_action_amount > 0 {
1878                        format!(
1879                            "Your keybind would conflict with the \"{}\" action and {} other bindings",
1880                            name, confliction_action_amount
1881                        )
1882                    } else {
1883                        format!("Your keybind would conflict with the \"{}\" action", name)
1884                    }
1885                }
1886                None => {
1887                    log::info!(
1888                        "Could not find action in keybindings with index {}",
1889                        first_conflicting_index
1890                    );
1891                    "Your keybind would conflict with other actions".to_string()
1892                }
1893            };
1894
1895            if self.set_error(InputError::warning(warning_message), cx) {
1896                return;
1897            }
1898        }
1899
1900        let create = self.creating;
1901
1902        let status_toast = StatusToast::new(
1903            format!(
1904                "Saved edits to the {} action.",
1905                command_palette::humanize_action_name(&self.editing_keybind.action_name)
1906            ),
1907            cx,
1908            move |this, _cx| {
1909                this.icon(ToastIcon::new(IconName::Check).color(Color::Success))
1910                    .dismiss_button(true)
1911                // .action("Undo", f) todo: wire the undo functionality
1912            },
1913        );
1914
1915        self.workspace
1916            .update(cx, |workspace, cx| {
1917                workspace.toggle_status_toast(status_toast, cx);
1918            })
1919            .log_err();
1920
1921        cx.spawn(async move |this, cx| {
1922            let action_name = existing_keybind.action_name;
1923
1924            if let Err(err) = save_keybinding_update(
1925                create,
1926                existing_keybind,
1927                &new_keystrokes,
1928                new_context.as_deref(),
1929                new_action_args.as_deref(),
1930                &fs,
1931                tab_size,
1932            )
1933            .await
1934            {
1935                this.update(cx, |this, cx| {
1936                    this.set_error(InputError::error(err.to_string()), cx);
1937                })
1938                .log_err();
1939            } else {
1940                this.update(cx, |this, cx| {
1941                    let action_mapping = ActionMapping {
1942                        keystroke_text: ui::text_for_keystrokes(new_keystrokes.as_slice(), cx)
1943                            .into(),
1944                        context: new_context.map(SharedString::from),
1945                    };
1946
1947                    this.keymap_editor.update(cx, |keymap, cx| {
1948                        keymap.previous_edit = Some(PreviousEdit::Keybinding {
1949                            action_mapping,
1950                            action_name,
1951                            fallback: keymap
1952                                .table_interaction_state
1953                                .read(cx)
1954                                .get_scrollbar_offset(Axis::Vertical),
1955                        })
1956                    });
1957                    cx.emit(DismissEvent);
1958                })
1959                .ok();
1960            }
1961        })
1962        .detach();
1963    }
1964
1965    fn key_context(&self) -> KeyContext {
1966        let mut key_context = KeyContext::new_with_defaults();
1967        key_context.add("KeybindEditorModal");
1968        key_context
1969    }
1970
1971    fn focus_next(&mut self, _: &menu::SelectNext, window: &mut Window, cx: &mut Context<Self>) {
1972        self.focus_state.focus_next(window, cx);
1973    }
1974
1975    fn focus_prev(
1976        &mut self,
1977        _: &menu::SelectPrevious,
1978        window: &mut Window,
1979        cx: &mut Context<Self>,
1980    ) {
1981        self.focus_state.focus_previous(window, cx);
1982    }
1983
1984    fn confirm(&mut self, _: &menu::Confirm, _window: &mut Window, cx: &mut Context<Self>) {
1985        self.save(cx);
1986    }
1987
1988    fn cancel(&mut self, _: &menu::Cancel, _window: &mut Window, cx: &mut Context<Self>) {
1989        cx.emit(DismissEvent)
1990    }
1991}
1992
1993impl Render for KeybindingEditorModal {
1994    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1995        let theme = cx.theme().colors();
1996        let action_name =
1997            command_palette::humanize_action_name(&self.editing_keybind.action_name).to_string();
1998
1999        v_flex()
2000            .w(rems(34.))
2001            .elevation_3(cx)
2002            .key_context(self.key_context())
2003            .on_action(cx.listener(Self::focus_next))
2004            .on_action(cx.listener(Self::focus_prev))
2005            .on_action(cx.listener(Self::confirm))
2006            .on_action(cx.listener(Self::cancel))
2007            .child(
2008                Modal::new("keybinding_editor_modal", None)
2009                    .header(
2010                        ModalHeader::new().child(
2011                            v_flex()
2012                                .pb_1p5()
2013                                .mb_1()
2014                                .gap_0p5()
2015                                .border_b_1()
2016                                .border_color(theme.border_variant)
2017                                .child(Label::new(action_name))
2018                                .when_some(self.editing_keybind.action_docs, |this, docs| {
2019                                    this.child(
2020                                        Label::new(docs).size(LabelSize::Small).color(Color::Muted),
2021                                    )
2022                                }),
2023                        ),
2024                    )
2025                    .section(
2026                        Section::new().child(
2027                            v_flex()
2028                                .gap_2()
2029                                .child(
2030                                    v_flex()
2031                                        .child(Label::new("Edit Keystroke"))
2032                                        .gap_1()
2033                                        .child(self.keybind_editor.clone()),
2034                                )
2035                                .when_some(self.action_arguments_editor.clone(), |this, editor| {
2036                                    this.child(
2037                                        v_flex()
2038                                            .mt_1p5()
2039                                            .gap_1()
2040                                            .child(Label::new("Edit Arguments"))
2041                                            .child(
2042                                                div()
2043                                                    .w_full()
2044                                                    .py_1()
2045                                                    .px_1p5()
2046                                                    .rounded_lg()
2047                                                    .bg(theme.editor_background)
2048                                                    .border_1()
2049                                                    .border_color(theme.border_variant)
2050                                                    .child(editor),
2051                                            ),
2052                                    )
2053                                })
2054                                .child(self.context_editor.clone())
2055                                .when_some(self.error.as_ref(), |this, error| {
2056                                    this.child(
2057                                        Banner::new()
2058                                            .map(|banner| match error {
2059                                                InputError::Error(_) => {
2060                                                    banner.severity(ui::Severity::Error)
2061                                                }
2062                                                InputError::Warning(_) => {
2063                                                    banner.severity(ui::Severity::Warning)
2064                                                }
2065                                            })
2066                                            // For some reason, the div overflows its container to the
2067                                            //right. The padding accounts for that.
2068                                            .child(
2069                                                div()
2070                                                    .size_full()
2071                                                    .pr_2()
2072                                                    .child(Label::new(error.content())),
2073                                            ),
2074                                    )
2075                                }),
2076                        ),
2077                    )
2078                    .footer(
2079                        ModalFooter::new().end_slot(
2080                            h_flex()
2081                                .gap_1()
2082                                .child(
2083                                    Button::new("cancel", "Cancel")
2084                                        .on_click(cx.listener(|_, _, _, cx| cx.emit(DismissEvent))),
2085                                )
2086                                .child(Button::new("save-btn", "Save").on_click(cx.listener(
2087                                    |this, _event, _window, cx| {
2088                                        this.save(cx);
2089                                    },
2090                                ))),
2091                        ),
2092                    ),
2093            )
2094    }
2095}
2096
2097struct KeybindingEditorModalFocusState {
2098    handles: Vec<FocusHandle>,
2099}
2100
2101impl KeybindingEditorModalFocusState {
2102    fn new(
2103        keystrokes: FocusHandle,
2104        action_input: Option<FocusHandle>,
2105        context: FocusHandle,
2106    ) -> Self {
2107        Self {
2108            handles: Vec::from_iter(
2109                [Some(keystrokes), action_input, Some(context)]
2110                    .into_iter()
2111                    .flatten(),
2112            ),
2113        }
2114    }
2115
2116    fn focused_index(&self, window: &Window, cx: &App) -> Option<i32> {
2117        self.handles
2118            .iter()
2119            .position(|handle| handle.contains_focused(window, cx))
2120            .map(|i| i as i32)
2121    }
2122
2123    fn focus_index(&self, mut index: i32, window: &mut Window) {
2124        if index < 0 {
2125            index = self.handles.len() as i32 - 1;
2126        }
2127        if index >= self.handles.len() as i32 {
2128            index = 0;
2129        }
2130        window.focus(&self.handles[index as usize]);
2131    }
2132
2133    fn focus_next(&self, window: &mut Window, cx: &App) {
2134        let index_to_focus = if let Some(index) = self.focused_index(window, cx) {
2135            index + 1
2136        } else {
2137            0
2138        };
2139        self.focus_index(index_to_focus, window);
2140    }
2141
2142    fn focus_previous(&self, window: &mut Window, cx: &App) {
2143        let index_to_focus = if let Some(index) = self.focused_index(window, cx) {
2144            index - 1
2145        } else {
2146            self.handles.len() as i32 - 1
2147        };
2148        self.focus_index(index_to_focus, window);
2149    }
2150}
2151
2152struct KeyContextCompletionProvider {
2153    contexts: Vec<SharedString>,
2154}
2155
2156impl CompletionProvider for KeyContextCompletionProvider {
2157    fn completions(
2158        &self,
2159        _excerpt_id: editor::ExcerptId,
2160        buffer: &Entity<language::Buffer>,
2161        buffer_position: language::Anchor,
2162        _trigger: editor::CompletionContext,
2163        _window: &mut Window,
2164        cx: &mut Context<Editor>,
2165    ) -> gpui::Task<anyhow::Result<Vec<project::CompletionResponse>>> {
2166        let buffer = buffer.read(cx);
2167        let mut count_back = 0;
2168        for char in buffer.reversed_chars_at(buffer_position) {
2169            if char.is_ascii_alphanumeric() || char == '_' {
2170                count_back += 1;
2171            } else {
2172                break;
2173            }
2174        }
2175        let start_anchor = buffer.anchor_before(
2176            buffer_position
2177                .to_offset(&buffer)
2178                .saturating_sub(count_back),
2179        );
2180        let replace_range = start_anchor..buffer_position;
2181        gpui::Task::ready(Ok(vec![project::CompletionResponse {
2182            completions: self
2183                .contexts
2184                .iter()
2185                .map(|context| project::Completion {
2186                    replace_range: replace_range.clone(),
2187                    label: language::CodeLabel::plain(context.to_string(), None),
2188                    new_text: context.to_string(),
2189                    documentation: None,
2190                    source: project::CompletionSource::Custom,
2191                    icon_path: None,
2192                    insert_text_mode: None,
2193                    confirm: None,
2194                })
2195                .collect(),
2196            is_incomplete: false,
2197        }]))
2198    }
2199
2200    fn is_completion_trigger(
2201        &self,
2202        _buffer: &Entity<language::Buffer>,
2203        _position: language::Anchor,
2204        text: &str,
2205        _trigger_in_words: bool,
2206        _menu_is_open: bool,
2207        _cx: &mut Context<Editor>,
2208    ) -> bool {
2209        text.chars().last().map_or(false, |last_char| {
2210            last_char.is_ascii_alphanumeric() || last_char == '_'
2211        })
2212    }
2213}
2214
2215async fn load_json_language(workspace: WeakEntity<Workspace>, cx: &mut AsyncApp) -> Arc<Language> {
2216    let json_language_task = workspace
2217        .read_with(cx, |workspace, cx| {
2218            workspace
2219                .project()
2220                .read(cx)
2221                .languages()
2222                .language_for_name("JSON")
2223        })
2224        .context("Failed to load JSON language")
2225        .log_err();
2226    let json_language = match json_language_task {
2227        Some(task) => task.await.context("Failed to load JSON language").log_err(),
2228        None => None,
2229    };
2230    return json_language.unwrap_or_else(|| {
2231        Arc::new(Language::new(
2232            LanguageConfig {
2233                name: "JSON".into(),
2234                ..Default::default()
2235            },
2236            Some(tree_sitter_json::LANGUAGE.into()),
2237        ))
2238    });
2239}
2240
2241async fn load_keybind_context_language(
2242    workspace: WeakEntity<Workspace>,
2243    cx: &mut AsyncApp,
2244) -> Arc<Language> {
2245    let language_task = workspace
2246        .read_with(cx, |workspace, cx| {
2247            workspace
2248                .project()
2249                .read(cx)
2250                .languages()
2251                .language_for_name("Zed Keybind Context")
2252        })
2253        .context("Failed to load Zed Keybind Context language")
2254        .log_err();
2255    let language = match language_task {
2256        Some(task) => task
2257            .await
2258            .context("Failed to load Zed Keybind Context language")
2259            .log_err(),
2260        None => None,
2261    };
2262    return language.unwrap_or_else(|| {
2263        Arc::new(Language::new(
2264            LanguageConfig {
2265                name: "Zed Keybind Context".into(),
2266                ..Default::default()
2267            },
2268            Some(tree_sitter_rust::LANGUAGE.into()),
2269        ))
2270    });
2271}
2272
2273async fn save_keybinding_update(
2274    create: bool,
2275    existing: ProcessedKeybinding,
2276    new_keystrokes: &[Keystroke],
2277    new_context: Option<&str>,
2278    new_args: Option<&str>,
2279    fs: &Arc<dyn Fs>,
2280    tab_size: usize,
2281) -> anyhow::Result<()> {
2282    let keymap_contents = settings::KeymapFile::load_keymap_file(fs)
2283        .await
2284        .context("Failed to load keymap file")?;
2285
2286    let existing_keystrokes = existing.keystrokes().unwrap_or_default();
2287    let existing_context = existing
2288        .context
2289        .as_ref()
2290        .and_then(KeybindContextString::local_str);
2291    let existing_args = existing
2292        .action_arguments
2293        .as_ref()
2294        .map(|args| args.text.as_ref());
2295
2296    let target = settings::KeybindUpdateTarget {
2297        context: existing_context,
2298        keystrokes: existing_keystrokes,
2299        action_name: &existing.action_name,
2300        action_arguments: existing_args,
2301    };
2302
2303    let source = settings::KeybindUpdateTarget {
2304        context: new_context,
2305        keystrokes: new_keystrokes,
2306        action_name: &existing.action_name,
2307        action_arguments: new_args,
2308    };
2309
2310    let operation = if !create {
2311        settings::KeybindUpdateOperation::Replace {
2312            target,
2313            target_keybind_source: existing
2314                .source
2315                .as_ref()
2316                .map(|(source, _name)| *source)
2317                .unwrap_or(KeybindSource::User),
2318            source,
2319        }
2320    } else {
2321        settings::KeybindUpdateOperation::Add {
2322            source,
2323            from: Some(target),
2324        }
2325    };
2326
2327    let (new_keybinding, removed_keybinding, source) = operation.generate_telemetry();
2328
2329    let updated_keymap_contents =
2330        settings::KeymapFile::update_keybinding(operation, keymap_contents, tab_size)
2331            .context("Failed to update keybinding")?;
2332    fs.write(
2333        paths::keymap_file().as_path(),
2334        updated_keymap_contents.as_bytes(),
2335    )
2336    .await
2337    .context("Failed to write keymap file")?;
2338
2339    telemetry::event!(
2340        "Keybinding Updated",
2341        new_keybinding = new_keybinding,
2342        removed_keybinding = removed_keybinding,
2343        source = source
2344    );
2345    Ok(())
2346}
2347
2348async fn remove_keybinding(
2349    existing: ProcessedKeybinding,
2350    fs: &Arc<dyn Fs>,
2351    tab_size: usize,
2352) -> anyhow::Result<()> {
2353    let Some(keystrokes) = existing.keystrokes() else {
2354        anyhow::bail!("Cannot remove a keybinding that does not exist");
2355    };
2356    let keymap_contents = settings::KeymapFile::load_keymap_file(fs)
2357        .await
2358        .context("Failed to load keymap file")?;
2359
2360    let operation = settings::KeybindUpdateOperation::Remove {
2361        target: settings::KeybindUpdateTarget {
2362            context: existing
2363                .context
2364                .as_ref()
2365                .and_then(KeybindContextString::local_str),
2366            keystrokes,
2367            action_name: &existing.action_name,
2368            action_arguments: existing
2369                .action_arguments
2370                .as_ref()
2371                .map(|arguments| arguments.text.as_ref()),
2372        },
2373        target_keybind_source: existing
2374            .source
2375            .as_ref()
2376            .map(|(source, _name)| *source)
2377            .unwrap_or(KeybindSource::User),
2378    };
2379
2380    let (new_keybinding, removed_keybinding, source) = operation.generate_telemetry();
2381    let updated_keymap_contents =
2382        settings::KeymapFile::update_keybinding(operation, keymap_contents, tab_size)
2383            .context("Failed to update keybinding")?;
2384    fs.write(
2385        paths::keymap_file().as_path(),
2386        updated_keymap_contents.as_bytes(),
2387    )
2388    .await
2389    .context("Failed to write keymap file")?;
2390
2391    telemetry::event!(
2392        "Keybinding Removed",
2393        new_keybinding = new_keybinding,
2394        removed_keybinding = removed_keybinding,
2395        source = source
2396    );
2397    Ok(())
2398}
2399
2400#[derive(PartialEq, Eq, Debug, Copy, Clone)]
2401enum CloseKeystrokeResult {
2402    Partial,
2403    Close,
2404    None,
2405}
2406
2407#[derive(PartialEq, Eq, Debug, Clone)]
2408enum KeyPress<'a> {
2409    Alt,
2410    Control,
2411    Function,
2412    Shift,
2413    Platform,
2414    Key(&'a String),
2415}
2416
2417struct KeystrokeInput {
2418    keystrokes: Vec<Keystroke>,
2419    placeholder_keystrokes: Option<Vec<Keystroke>>,
2420    outer_focus_handle: FocusHandle,
2421    inner_focus_handle: FocusHandle,
2422    intercept_subscription: Option<Subscription>,
2423    _focus_subscriptions: [Subscription; 2],
2424    search: bool,
2425    /// Handles tripe escape to stop recording
2426    close_keystrokes: Option<Vec<Keystroke>>,
2427    close_keystrokes_start: Option<usize>,
2428}
2429
2430impl KeystrokeInput {
2431    const KEYSTROKE_COUNT_MAX: usize = 3;
2432
2433    fn new(
2434        placeholder_keystrokes: Option<Vec<Keystroke>>,
2435        window: &mut Window,
2436        cx: &mut Context<Self>,
2437    ) -> Self {
2438        let outer_focus_handle = cx.focus_handle();
2439        let inner_focus_handle = cx.focus_handle();
2440        let _focus_subscriptions = [
2441            cx.on_focus_in(&inner_focus_handle, window, Self::on_inner_focus_in),
2442            cx.on_focus_out(&inner_focus_handle, window, Self::on_inner_focus_out),
2443        ];
2444        Self {
2445            keystrokes: Vec::new(),
2446            placeholder_keystrokes,
2447            inner_focus_handle,
2448            outer_focus_handle,
2449            intercept_subscription: None,
2450            _focus_subscriptions,
2451            search: false,
2452            close_keystrokes: None,
2453            close_keystrokes_start: None,
2454        }
2455    }
2456
2457    fn set_keystrokes(&mut self, keystrokes: Vec<Keystroke>, cx: &mut Context<Self>) {
2458        self.keystrokes = keystrokes;
2459        self.keystrokes_changed(cx);
2460    }
2461
2462    fn dummy(modifiers: Modifiers) -> Keystroke {
2463        return Keystroke {
2464            modifiers,
2465            key: "".to_string(),
2466            key_char: None,
2467        };
2468    }
2469
2470    fn keystrokes_changed(&self, cx: &mut Context<Self>) {
2471        cx.emit(());
2472        cx.notify();
2473    }
2474
2475    fn key_context() -> KeyContext {
2476        let mut key_context = KeyContext::new_with_defaults();
2477        key_context.add("KeystrokeInput");
2478        key_context
2479    }
2480
2481    fn handle_possible_close_keystroke(
2482        &mut self,
2483        keystroke: &Keystroke,
2484        window: &mut Window,
2485        cx: &mut Context<Self>,
2486    ) -> CloseKeystrokeResult {
2487        let Some(keybind_for_close_action) = window
2488            .highest_precedence_binding_for_action_in_context(&StopRecording, Self::key_context())
2489        else {
2490            log::trace!("No keybinding to stop recording keystrokes in keystroke input");
2491            self.close_keystrokes.take();
2492            return CloseKeystrokeResult::None;
2493        };
2494        let action_keystrokes = keybind_for_close_action.keystrokes();
2495
2496        if let Some(mut close_keystrokes) = self.close_keystrokes.take() {
2497            let mut index = 0;
2498
2499            while index < action_keystrokes.len() && index < close_keystrokes.len() {
2500                if !close_keystrokes[index].should_match(&action_keystrokes[index]) {
2501                    break;
2502                }
2503                index += 1;
2504            }
2505            if index == close_keystrokes.len() {
2506                if index >= action_keystrokes.len() {
2507                    self.close_keystrokes_start.take();
2508                    return CloseKeystrokeResult::None;
2509                }
2510                if keystroke.should_match(&action_keystrokes[index]) {
2511                    if action_keystrokes.len() >= 1 && index == action_keystrokes.len() - 1 {
2512                        self.stop_recording(&StopRecording, window, cx);
2513                        return CloseKeystrokeResult::Close;
2514                    } else {
2515                        close_keystrokes.push(keystroke.clone());
2516                        self.close_keystrokes = Some(close_keystrokes);
2517                        return CloseKeystrokeResult::Partial;
2518                    }
2519                } else {
2520                    self.close_keystrokes_start.take();
2521                    return CloseKeystrokeResult::None;
2522                }
2523            }
2524        } else if let Some(first_action_keystroke) = action_keystrokes.first()
2525            && keystroke.should_match(first_action_keystroke)
2526        {
2527            self.close_keystrokes = Some(vec![keystroke.clone()]);
2528            return CloseKeystrokeResult::Partial;
2529        }
2530        self.close_keystrokes_start.take();
2531        return CloseKeystrokeResult::None;
2532    }
2533
2534    fn on_modifiers_changed(
2535        &mut self,
2536        event: &ModifiersChangedEvent,
2537        _window: &mut Window,
2538        cx: &mut Context<Self>,
2539    ) {
2540        let keystrokes_len = self.keystrokes.len();
2541
2542        if let Some(last) = self.keystrokes.last_mut()
2543            && last.key.is_empty()
2544            && keystrokes_len <= Self::KEYSTROKE_COUNT_MAX
2545        {
2546            if self.search {
2547                last.modifiers = last.modifiers.xor(&event.modifiers);
2548            } else if !event.modifiers.modified() {
2549                self.keystrokes.pop();
2550            } else {
2551                last.modifiers = event.modifiers;
2552            }
2553
2554            self.keystrokes_changed(cx);
2555        } else if keystrokes_len < Self::KEYSTROKE_COUNT_MAX {
2556            self.keystrokes.push(Self::dummy(event.modifiers));
2557            self.keystrokes_changed(cx);
2558        }
2559        cx.stop_propagation();
2560    }
2561
2562    fn handle_keystroke(
2563        &mut self,
2564        keystroke: &Keystroke,
2565        window: &mut Window,
2566        cx: &mut Context<Self>,
2567    ) {
2568        let close_keystroke_result = self.handle_possible_close_keystroke(keystroke, window, cx);
2569        if close_keystroke_result != CloseKeystrokeResult::Close {
2570            let key_len = self.keystrokes.len();
2571            if let Some(last) = self.keystrokes.last_mut()
2572                && last.key.is_empty()
2573                && key_len <= Self::KEYSTROKE_COUNT_MAX
2574            {
2575                if self.search {
2576                    last.key = keystroke.key.clone();
2577                    self.keystrokes_changed(cx);
2578                    cx.stop_propagation();
2579                    return;
2580                } else {
2581                    self.keystrokes.pop();
2582                }
2583            }
2584            if self.keystrokes.len() < Self::KEYSTROKE_COUNT_MAX {
2585                if close_keystroke_result == CloseKeystrokeResult::Partial
2586                    && self.close_keystrokes_start.is_none()
2587                {
2588                    self.close_keystrokes_start = Some(self.keystrokes.len());
2589                }
2590                self.keystrokes.push(keystroke.clone());
2591                if self.keystrokes.len() < Self::KEYSTROKE_COUNT_MAX {
2592                    self.keystrokes.push(Self::dummy(keystroke.modifiers));
2593                }
2594            } else if close_keystroke_result != CloseKeystrokeResult::Partial {
2595                self.clear_keystrokes(&ClearKeystrokes, window, cx);
2596            }
2597        }
2598        self.keystrokes_changed(cx);
2599        cx.stop_propagation();
2600    }
2601
2602    fn on_inner_focus_in(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
2603        if self.intercept_subscription.is_none() {
2604            let listener = cx.listener(|this, event: &gpui::KeystrokeEvent, window, cx| {
2605                this.handle_keystroke(&event.keystroke, window, cx);
2606            });
2607            self.intercept_subscription = Some(cx.intercept_keystrokes(listener))
2608        }
2609    }
2610
2611    fn on_inner_focus_out(
2612        &mut self,
2613        _event: gpui::FocusOutEvent,
2614        _window: &mut Window,
2615        cx: &mut Context<Self>,
2616    ) {
2617        self.intercept_subscription.take();
2618        cx.notify();
2619    }
2620
2621    fn keystrokes(&self) -> &[Keystroke] {
2622        if let Some(placeholders) = self.placeholder_keystrokes.as_ref()
2623            && self.keystrokes.is_empty()
2624        {
2625            return placeholders;
2626        }
2627        if !self.search
2628            && self
2629                .keystrokes
2630                .last()
2631                .map_or(false, |last| last.key.is_empty())
2632        {
2633            return &self.keystrokes[..self.keystrokes.len() - 1];
2634        }
2635        return &self.keystrokes;
2636    }
2637
2638    fn render_keystrokes(&self, is_recording: bool) -> impl Iterator<Item = Div> {
2639        let keystrokes = if let Some(placeholders) = self.placeholder_keystrokes.as_ref()
2640            && self.keystrokes.is_empty()
2641        {
2642            if is_recording {
2643                &[]
2644            } else {
2645                placeholders.as_slice()
2646            }
2647        } else {
2648            &self.keystrokes
2649        };
2650        keystrokes.iter().map(move |keystroke| {
2651            h_flex().children(ui::render_keystroke(
2652                keystroke,
2653                Some(Color::Default),
2654                Some(rems(0.875).into()),
2655                ui::PlatformStyle::platform(),
2656                false,
2657            ))
2658        })
2659    }
2660
2661    fn recording_focus_handle(&self, _cx: &App) -> FocusHandle {
2662        self.inner_focus_handle.clone()
2663    }
2664
2665    fn start_recording(&mut self, _: &StartRecording, window: &mut Window, cx: &mut Context<Self>) {
2666        if !self.outer_focus_handle.is_focused(window) {
2667            return;
2668        }
2669        self.clear_keystrokes(&ClearKeystrokes, window, cx);
2670        window.focus(&self.inner_focus_handle);
2671        cx.notify();
2672    }
2673
2674    fn stop_recording(&mut self, _: &StopRecording, window: &mut Window, cx: &mut Context<Self>) {
2675        if !self.inner_focus_handle.is_focused(window) {
2676            return;
2677        }
2678        window.focus(&self.outer_focus_handle);
2679        if let Some(close_keystrokes_start) = self.close_keystrokes_start.take() {
2680            self.keystrokes.drain(close_keystrokes_start..);
2681        }
2682        self.close_keystrokes.take();
2683        cx.notify();
2684    }
2685
2686    fn clear_keystrokes(
2687        &mut self,
2688        _: &ClearKeystrokes,
2689        _window: &mut Window,
2690        cx: &mut Context<Self>,
2691    ) {
2692        self.keystrokes.clear();
2693        self.keystrokes_changed(cx);
2694    }
2695}
2696
2697impl EventEmitter<()> for KeystrokeInput {}
2698
2699impl Focusable for KeystrokeInput {
2700    fn focus_handle(&self, _cx: &App) -> FocusHandle {
2701        self.outer_focus_handle.clone()
2702    }
2703}
2704
2705impl Render for KeystrokeInput {
2706    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2707        let colors = cx.theme().colors();
2708        let is_focused = self.outer_focus_handle.contains_focused(window, cx);
2709        let is_recording = self.inner_focus_handle.is_focused(window);
2710
2711        let horizontal_padding = rems_from_px(64.);
2712
2713        let recording_bg_color = colors
2714            .editor_background
2715            .blend(colors.text_accent.opacity(0.1));
2716
2717        let recording_pulse = || {
2718            Icon::new(IconName::Circle)
2719                .size(IconSize::Small)
2720                .color(Color::Error)
2721                .with_animation(
2722                    "recording-pulse",
2723                    Animation::new(std::time::Duration::from_secs(2))
2724                        .repeat()
2725                        .with_easing(gpui::pulsating_between(0.4, 0.8)),
2726                    {
2727                        let color = Color::Error.color(cx);
2728                        move |this, delta| this.color(Color::Custom(color.opacity(delta)))
2729                    },
2730                )
2731        };
2732
2733        let recording_indicator = h_flex()
2734            .h_4()
2735            .pr_1()
2736            .gap_0p5()
2737            .border_1()
2738            .border_color(colors.border)
2739            .bg(colors
2740                .editor_background
2741                .blend(colors.text_accent.opacity(0.1)))
2742            .rounded_sm()
2743            .child(recording_pulse())
2744            .child(
2745                Label::new("REC")
2746                    .size(LabelSize::XSmall)
2747                    .weight(FontWeight::SEMIBOLD)
2748                    .color(Color::Error),
2749            );
2750
2751        let search_indicator = h_flex()
2752            .h_4()
2753            .pr_1()
2754            .gap_0p5()
2755            .border_1()
2756            .border_color(colors.border)
2757            .bg(colors
2758                .editor_background
2759                .blend(colors.text_accent.opacity(0.1)))
2760            .rounded_sm()
2761            .child(recording_pulse())
2762            .child(
2763                Label::new("SEARCH")
2764                    .size(LabelSize::XSmall)
2765                    .weight(FontWeight::SEMIBOLD)
2766                    .color(Color::Accent),
2767            );
2768
2769        let record_icon = if self.search {
2770            IconName::MagnifyingGlass
2771        } else {
2772            IconName::PlayFilled
2773        };
2774
2775        return h_flex()
2776            .id("keystroke-input")
2777            .track_focus(&self.outer_focus_handle)
2778            .py_2()
2779            .px_3()
2780            .gap_2()
2781            .min_h_10()
2782            .w_full()
2783            .flex_1()
2784            .justify_between()
2785            .rounded_lg()
2786            .overflow_hidden()
2787            .map(|this| {
2788                if is_recording {
2789                    this.bg(recording_bg_color)
2790                } else {
2791                    this.bg(colors.editor_background)
2792                }
2793            })
2794            .border_1()
2795            .border_color(colors.border_variant)
2796            .when(is_focused, |parent| {
2797                parent.border_color(colors.border_focused)
2798            })
2799            .key_context(Self::key_context())
2800            .on_action(cx.listener(Self::start_recording))
2801            .on_action(cx.listener(Self::stop_recording))
2802            .child(
2803                h_flex()
2804                    .w(horizontal_padding)
2805                    .gap_0p5()
2806                    .justify_start()
2807                    .flex_none()
2808                    .when(is_recording, |this| {
2809                        this.map(|this| {
2810                            if self.search {
2811                                this.child(search_indicator)
2812                            } else {
2813                                this.child(recording_indicator)
2814                            }
2815                        })
2816                    }),
2817            )
2818            .child(
2819                h_flex()
2820                    .id("keystroke-input-inner")
2821                    .track_focus(&self.inner_focus_handle)
2822                    .on_modifiers_changed(cx.listener(Self::on_modifiers_changed))
2823                    .size_full()
2824                    .when(!self.search, |this| {
2825                        this.focus(|mut style| {
2826                            style.border_color = Some(colors.border_focused);
2827                            style
2828                        })
2829                    })
2830                    .w_full()
2831                    .min_w_0()
2832                    .justify_center()
2833                    .flex_wrap()
2834                    .gap(ui::DynamicSpacing::Base04.rems(cx))
2835                    .children(self.render_keystrokes(is_recording)),
2836            )
2837            .child(
2838                h_flex()
2839                    .w(horizontal_padding)
2840                    .gap_0p5()
2841                    .justify_end()
2842                    .flex_none()
2843                    .map(|this| {
2844                        if is_recording {
2845                            this.child(
2846                                IconButton::new("stop-record-btn", IconName::StopFilled)
2847                                    .shape(ui::IconButtonShape::Square)
2848                                    .map(|this| {
2849                                        this.tooltip(Tooltip::for_action_title(
2850                                            if self.search {
2851                                                "Stop Searching"
2852                                            } else {
2853                                                "Stop Recording"
2854                                            },
2855                                            &StopRecording,
2856                                        ))
2857                                    })
2858                                    .icon_color(Color::Error)
2859                                    .on_click(cx.listener(|this, _event, window, cx| {
2860                                        this.stop_recording(&StopRecording, window, cx);
2861                                    })),
2862                            )
2863                        } else {
2864                            this.child(
2865                                IconButton::new("record-btn", record_icon)
2866                                    .shape(ui::IconButtonShape::Square)
2867                                    .map(|this| {
2868                                        this.tooltip(Tooltip::for_action_title(
2869                                            if self.search {
2870                                                "Start Searching"
2871                                            } else {
2872                                                "Start Recording"
2873                                            },
2874                                            &StartRecording,
2875                                        ))
2876                                    })
2877                                    .when(!is_focused, |this| this.icon_color(Color::Muted))
2878                                    .on_click(cx.listener(|this, _event, window, cx| {
2879                                        this.start_recording(&StartRecording, window, cx);
2880                                    })),
2881                            )
2882                        }
2883                    })
2884                    .child(
2885                        IconButton::new("clear-btn", IconName::Delete)
2886                            .shape(ui::IconButtonShape::Square)
2887                            .tooltip(Tooltip::for_action_title(
2888                                "Clear Keystrokes",
2889                                &ClearKeystrokes,
2890                            ))
2891                            .when(!is_recording || !is_focused, |this| {
2892                                this.icon_color(Color::Muted)
2893                            })
2894                            .on_click(cx.listener(|this, _event, window, cx| {
2895                                this.clear_keystrokes(&ClearKeystrokes, window, cx);
2896                            })),
2897                    ),
2898            );
2899    }
2900}
2901
2902fn collect_contexts_from_assets() -> Vec<SharedString> {
2903    let mut keymap_assets = vec![
2904        util::asset_str::<SettingsAssets>(settings::DEFAULT_KEYMAP_PATH),
2905        util::asset_str::<SettingsAssets>(settings::VIM_KEYMAP_PATH),
2906    ];
2907    keymap_assets.extend(
2908        BaseKeymap::OPTIONS
2909            .iter()
2910            .filter_map(|(_, base_keymap)| base_keymap.asset_path())
2911            .map(util::asset_str::<SettingsAssets>),
2912    );
2913
2914    let mut contexts = HashSet::default();
2915
2916    for keymap_asset in keymap_assets {
2917        let Ok(keymap) = KeymapFile::parse(&keymap_asset) else {
2918            continue;
2919        };
2920
2921        for section in keymap.sections() {
2922            let context_expr = &section.context;
2923            let mut queue = Vec::new();
2924            let Ok(root_context) = gpui::KeyBindingContextPredicate::parse(context_expr) else {
2925                continue;
2926            };
2927
2928            queue.push(root_context);
2929            while let Some(context) = queue.pop() {
2930                match context {
2931                    gpui::KeyBindingContextPredicate::Identifier(ident) => {
2932                        contexts.insert(ident);
2933                    }
2934                    gpui::KeyBindingContextPredicate::Equal(ident_a, ident_b) => {
2935                        contexts.insert(ident_a);
2936                        contexts.insert(ident_b);
2937                    }
2938                    gpui::KeyBindingContextPredicate::NotEqual(ident_a, ident_b) => {
2939                        contexts.insert(ident_a);
2940                        contexts.insert(ident_b);
2941                    }
2942                    gpui::KeyBindingContextPredicate::Child(ctx_a, ctx_b) => {
2943                        queue.push(*ctx_a);
2944                        queue.push(*ctx_b);
2945                    }
2946                    gpui::KeyBindingContextPredicate::Not(ctx) => {
2947                        queue.push(*ctx);
2948                    }
2949                    gpui::KeyBindingContextPredicate::And(ctx_a, ctx_b) => {
2950                        queue.push(*ctx_a);
2951                        queue.push(*ctx_b);
2952                    }
2953                    gpui::KeyBindingContextPredicate::Or(ctx_a, ctx_b) => {
2954                        queue.push(*ctx_a);
2955                        queue.push(*ctx_b);
2956                    }
2957                }
2958            }
2959        }
2960    }
2961
2962    let mut contexts = contexts.into_iter().collect::<Vec<_>>();
2963    contexts.sort();
2964
2965    return contexts;
2966}
2967
2968impl SerializableItem for KeymapEditor {
2969    fn serialized_item_kind() -> &'static str {
2970        "KeymapEditor"
2971    }
2972
2973    fn cleanup(
2974        workspace_id: workspace::WorkspaceId,
2975        alive_items: Vec<workspace::ItemId>,
2976        _window: &mut Window,
2977        cx: &mut App,
2978    ) -> gpui::Task<gpui::Result<()>> {
2979        workspace::delete_unloaded_items(
2980            alive_items,
2981            workspace_id,
2982            "keybinding_editors",
2983            &KEYBINDING_EDITORS,
2984            cx,
2985        )
2986    }
2987
2988    fn deserialize(
2989        _project: Entity<project::Project>,
2990        workspace: WeakEntity<Workspace>,
2991        workspace_id: workspace::WorkspaceId,
2992        item_id: workspace::ItemId,
2993        window: &mut Window,
2994        cx: &mut App,
2995    ) -> gpui::Task<gpui::Result<Entity<Self>>> {
2996        window.spawn(cx, async move |cx| {
2997            if KEYBINDING_EDITORS
2998                .get_keybinding_editor(item_id, workspace_id)?
2999                .is_some()
3000            {
3001                cx.update(|window, cx| cx.new(|cx| KeymapEditor::new(workspace, window, cx)))
3002            } else {
3003                Err(anyhow!("No keybinding editor to deserialize"))
3004            }
3005        })
3006    }
3007
3008    fn serialize(
3009        &mut self,
3010        workspace: &mut Workspace,
3011        item_id: workspace::ItemId,
3012        _closing: bool,
3013        _window: &mut Window,
3014        cx: &mut ui::Context<Self>,
3015    ) -> Option<gpui::Task<gpui::Result<()>>> {
3016        let workspace_id = workspace.database_id()?;
3017        Some(cx.background_spawn(async move {
3018            KEYBINDING_EDITORS
3019                .save_keybinding_editor(item_id, workspace_id)
3020                .await
3021        }))
3022    }
3023
3024    fn should_serialize(&self, _event: &Self::Event) -> bool {
3025        false
3026    }
3027}
3028
3029mod persistence {
3030    use db::{define_connection, query, sqlez_macros::sql};
3031    use workspace::WorkspaceDb;
3032
3033    define_connection! {
3034        pub static ref KEYBINDING_EDITORS: KeybindingEditorDb<WorkspaceDb> =
3035            &[sql!(
3036                CREATE TABLE keybinding_editors (
3037                    workspace_id INTEGER,
3038                    item_id INTEGER UNIQUE,
3039
3040                    PRIMARY KEY(workspace_id, item_id),
3041                    FOREIGN KEY(workspace_id) REFERENCES workspaces(workspace_id)
3042                    ON DELETE CASCADE
3043                ) STRICT;
3044            )];
3045    }
3046
3047    impl KeybindingEditorDb {
3048        query! {
3049            pub async fn save_keybinding_editor(
3050                item_id: workspace::ItemId,
3051                workspace_id: workspace::WorkspaceId
3052            ) -> Result<()> {
3053                INSERT OR REPLACE INTO keybinding_editors(item_id, workspace_id)
3054                VALUES (?, ?)
3055            }
3056        }
3057
3058        query! {
3059            pub fn get_keybinding_editor(
3060                item_id: workspace::ItemId,
3061                workspace_id: workspace::WorkspaceId
3062            ) -> Result<Option<workspace::ItemId>> {
3063                SELECT item_id
3064                FROM keybinding_editors
3065                WHERE item_id = ? AND workspace_id = ?
3066            }
3067        }
3068    }
3069}
3070
3071/// Iterator that yields KeyPress values from a slice of Keystrokes
3072struct KeyPressIterator<'a> {
3073    keystrokes: &'a [Keystroke],
3074    current_keystroke_index: usize,
3075    current_key_press_index: usize,
3076}
3077
3078impl<'a> KeyPressIterator<'a> {
3079    fn new(keystrokes: &'a [Keystroke]) -> Self {
3080        Self {
3081            keystrokes,
3082            current_keystroke_index: 0,
3083            current_key_press_index: 0,
3084        }
3085    }
3086}
3087
3088impl<'a> Iterator for KeyPressIterator<'a> {
3089    type Item = KeyPress<'a>;
3090
3091    fn next(&mut self) -> Option<Self::Item> {
3092        loop {
3093            let keystroke = self.keystrokes.get(self.current_keystroke_index)?;
3094
3095            match self.current_key_press_index {
3096                0 => {
3097                    self.current_key_press_index = 1;
3098                    if keystroke.modifiers.platform {
3099                        return Some(KeyPress::Platform);
3100                    }
3101                }
3102                1 => {
3103                    self.current_key_press_index = 2;
3104                    if keystroke.modifiers.alt {
3105                        return Some(KeyPress::Alt);
3106                    }
3107                }
3108                2 => {
3109                    self.current_key_press_index = 3;
3110                    if keystroke.modifiers.control {
3111                        return Some(KeyPress::Control);
3112                    }
3113                }
3114                3 => {
3115                    self.current_key_press_index = 4;
3116                    if keystroke.modifiers.shift {
3117                        return Some(KeyPress::Shift);
3118                    }
3119                }
3120                4 => {
3121                    self.current_key_press_index = 5;
3122                    if keystroke.modifiers.function {
3123                        return Some(KeyPress::Function);
3124                    }
3125                }
3126                _ => {
3127                    self.current_keystroke_index += 1;
3128                    self.current_key_press_index = 0;
3129
3130                    if keystroke.key.is_empty() {
3131                        continue;
3132                    }
3133                    return Some(KeyPress::Key(&keystroke.key));
3134                }
3135            }
3136        }
3137    }
3138}