vim.rs

   1//! Vim support for Zed.
   2
   3#[cfg(test)]
   4mod test;
   5
   6mod change_list;
   7mod command;
   8mod digraph;
   9mod helix;
  10mod indent;
  11mod insert;
  12mod mode_indicator;
  13mod motion;
  14mod normal;
  15mod object;
  16mod replace;
  17mod rewrap;
  18mod state;
  19mod surrounds;
  20mod visual;
  21
  22use crate::normal::paste::Paste as VimPaste;
  23use collections::HashMap;
  24use editor::{
  25    Anchor, Bias, Editor, EditorEvent, EditorSettings, HideMouseCursorOrigin, MultiBufferOffset,
  26    SelectionEffects,
  27    actions::Paste,
  28    display_map::ToDisplayPoint,
  29    movement::{self, FindRange},
  30};
  31use gpui::{
  32    Action, App, AppContext, Axis, Context, Entity, EventEmitter, KeyContext, KeystrokeEvent,
  33    Render, Subscription, Task, WeakEntity, Window, actions,
  34};
  35use insert::{NormalBefore, TemporaryNormal};
  36use language::{
  37    CharKind, CharScopeContext, CursorShape, Point, Selection, SelectionGoal, TransactionId,
  38};
  39pub use mode_indicator::ModeIndicator;
  40use motion::Motion;
  41use multi_buffer::ToPoint as _;
  42use normal::search::SearchSubmit;
  43use object::Object;
  44use schemars::JsonSchema;
  45use search::BufferSearchBar;
  46use serde::Deserialize;
  47use settings::RegisterSetting;
  48pub use settings::{
  49    ModeContent, Settings, SettingsStore, UseSystemClipboard, update_settings_file,
  50};
  51use state::{Mode, Operator, RecordedSelection, SearchState, VimGlobals};
  52use std::{mem, ops::Range, sync::Arc};
  53use surrounds::SurroundsType;
  54use theme_settings::ThemeSettings;
  55use ui::{IntoElement, SharedString, px};
  56use vim_mode_setting::HelixModeSetting;
  57use vim_mode_setting::VimModeSetting;
  58use workspace::{self, Pane, Workspace};
  59
  60use crate::{
  61    normal::{GoToPreviousTab, GoToTab},
  62    state::ReplayableAction,
  63};
  64
  65/// Number is used to manage vim's count. Pushing a digit
  66/// multiplies the current value by 10 and adds the digit.
  67#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
  68#[action(namespace = vim)]
  69struct Number(usize);
  70
  71#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
  72#[action(namespace = vim)]
  73struct SelectRegister(String);
  74
  75#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
  76#[action(namespace = vim)]
  77#[serde(deny_unknown_fields)]
  78struct PushObject {
  79    around: bool,
  80}
  81
  82#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
  83#[action(namespace = vim)]
  84#[serde(deny_unknown_fields)]
  85struct PushFindForward {
  86    before: bool,
  87    multiline: bool,
  88}
  89
  90#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
  91#[action(namespace = vim)]
  92#[serde(deny_unknown_fields)]
  93struct PushFindBackward {
  94    after: bool,
  95    multiline: bool,
  96}
  97
  98#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
  99#[action(namespace = vim)]
 100#[serde(deny_unknown_fields)]
 101/// Selects the next object.
 102struct PushHelixNext {
 103    around: bool,
 104}
 105
 106#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
 107#[action(namespace = vim)]
 108#[serde(deny_unknown_fields)]
 109/// Selects the previous object.
 110struct PushHelixPrevious {
 111    around: bool,
 112}
 113
 114#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
 115#[action(namespace = vim)]
 116#[serde(deny_unknown_fields)]
 117struct PushSneak {
 118    first_char: Option<char>,
 119}
 120
 121#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
 122#[action(namespace = vim)]
 123#[serde(deny_unknown_fields)]
 124struct PushSneakBackward {
 125    first_char: Option<char>,
 126}
 127
 128#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
 129#[action(namespace = vim)]
 130#[serde(deny_unknown_fields)]
 131struct PushAddSurrounds;
 132
 133#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
 134#[action(namespace = vim)]
 135#[serde(deny_unknown_fields)]
 136struct PushChangeSurrounds {
 137    target: Option<Object>,
 138}
 139
 140#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
 141#[action(namespace = vim)]
 142#[serde(deny_unknown_fields)]
 143struct PushJump {
 144    line: bool,
 145}
 146
 147#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
 148#[action(namespace = vim)]
 149#[serde(deny_unknown_fields)]
 150struct PushDigraph {
 151    first_char: Option<char>,
 152}
 153
 154#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
 155#[action(namespace = vim)]
 156#[serde(deny_unknown_fields)]
 157struct PushLiteral {
 158    prefix: Option<String>,
 159}
 160
 161actions!(
 162    vim,
 163    [
 164        /// Switches to normal mode.
 165        SwitchToNormalMode,
 166        /// Switches to insert mode.
 167        SwitchToInsertMode,
 168        /// Switches to replace mode.
 169        SwitchToReplaceMode,
 170        /// Switches to visual mode.
 171        SwitchToVisualMode,
 172        /// Switches to visual line mode.
 173        SwitchToVisualLineMode,
 174        /// Switches to visual block mode.
 175        SwitchToVisualBlockMode,
 176        /// Switches to Helix-style normal mode.
 177        SwitchToHelixNormalMode,
 178        /// Clears any pending operators.
 179        ClearOperators,
 180        /// Clears the exchange register.
 181        ClearExchange,
 182        /// Inserts a tab character.
 183        Tab,
 184        /// Inserts a newline.
 185        Enter,
 186        /// Selects inner text object.
 187        InnerObject,
 188        /// Maximizes the current pane.
 189        MaximizePane,
 190        /// Resets all pane sizes to default.
 191        ResetPaneSizes,
 192        /// Resizes the pane to the right.
 193        ResizePaneRight,
 194        /// Resizes the pane to the left.
 195        ResizePaneLeft,
 196        /// Resizes the pane upward.
 197        ResizePaneUp,
 198        /// Resizes the pane downward.
 199        ResizePaneDown,
 200        /// Starts a change operation.
 201        PushChange,
 202        /// Starts a delete operation.
 203        PushDelete,
 204        /// Exchanges text regions.
 205        Exchange,
 206        /// Starts a yank operation.
 207        PushYank,
 208        /// Starts a replace operation.
 209        PushReplace,
 210        /// Deletes surrounding characters.
 211        PushDeleteSurrounds,
 212        /// Sets a mark at the current position.
 213        PushMark,
 214        /// Toggles the marks view.
 215        ToggleMarksView,
 216        /// Starts a forced motion.
 217        PushForcedMotion,
 218        /// Starts an indent operation.
 219        PushIndent,
 220        /// Starts an outdent operation.
 221        PushOutdent,
 222        /// Starts an auto-indent operation.
 223        PushAutoIndent,
 224        /// Starts a rewrap operation.
 225        PushRewrap,
 226        /// Starts a shell command operation.
 227        PushShellCommand,
 228        /// Converts to lowercase.
 229        PushLowercase,
 230        /// Converts to uppercase.
 231        PushUppercase,
 232        /// Toggles case.
 233        PushOppositeCase,
 234        /// Applies ROT13 encoding.
 235        PushRot13,
 236        /// Applies ROT47 encoding.
 237        PushRot47,
 238        /// Toggles the registers view.
 239        ToggleRegistersView,
 240        /// Selects a register.
 241        PushRegister,
 242        /// Starts recording to a register.
 243        PushRecordRegister,
 244        /// Replays a register.
 245        PushReplayRegister,
 246        /// Replaces with register contents.
 247        PushReplaceWithRegister,
 248        /// Toggles comments.
 249        PushToggleComments,
 250        /// Selects (count) next menu item
 251        MenuSelectNext,
 252        /// Selects (count) previous menu item
 253        MenuSelectPrevious,
 254        /// Clears count or toggles project panel focus
 255        ToggleProjectPanelFocus,
 256        /// Starts a match operation.
 257        PushHelixMatch,
 258        /// Adds surrounding characters in Helix mode.
 259        PushHelixSurroundAdd,
 260        /// Replaces surrounding characters in Helix mode.
 261        PushHelixSurroundReplace,
 262        /// Deletes surrounding characters in Helix mode.
 263        PushHelixSurroundDelete,
 264    ]
 265);
 266
 267// in the workspace namespace so it's not filtered out when vim is disabled.
 268actions!(
 269    workspace,
 270    [
 271        /// Toggles Vim mode on or off.
 272        ToggleVimMode,
 273        /// Toggles Helix mode on or off.
 274        ToggleHelixMode,
 275    ]
 276);
 277
 278/// Initializes the `vim` crate.
 279pub fn init(cx: &mut App) {
 280    VimGlobals::register(cx);
 281
 282    cx.observe_new(Vim::register).detach();
 283
 284    cx.observe_new(|workspace: &mut Workspace, _, _| {
 285        workspace.register_action(|workspace, _: &ToggleVimMode, _, cx| {
 286            let fs = workspace.app_state().fs.clone();
 287            let currently_enabled = VimModeSetting::get_global(cx).0;
 288            update_settings_file(fs, cx, move |setting, _| {
 289                setting.vim_mode = Some(!currently_enabled);
 290                if let Some(helix_mode) = &mut setting.helix_mode {
 291                    *helix_mode = false;
 292                }
 293            })
 294        });
 295
 296        workspace.register_action(|workspace, _: &ToggleHelixMode, _, cx| {
 297            let fs = workspace.app_state().fs.clone();
 298            let currently_enabled = HelixModeSetting::get_global(cx).0;
 299            update_settings_file(fs, cx, move |setting, _| {
 300                setting.helix_mode = Some(!currently_enabled);
 301                if let Some(vim_mode) = &mut setting.vim_mode {
 302                    *vim_mode = false;
 303                }
 304            })
 305        });
 306
 307        workspace.register_action(|_, _: &MenuSelectNext, window, cx| {
 308            let count = Vim::take_count(cx).unwrap_or(1);
 309
 310            for _ in 0..count {
 311                window.dispatch_action(menu::SelectNext.boxed_clone(), cx);
 312            }
 313        });
 314
 315        workspace.register_action(|_, _: &MenuSelectPrevious, window, cx| {
 316            let count = Vim::take_count(cx).unwrap_or(1);
 317
 318            for _ in 0..count {
 319                window.dispatch_action(menu::SelectPrevious.boxed_clone(), cx);
 320            }
 321        });
 322
 323        workspace.register_action(|_, _: &ToggleProjectPanelFocus, window, cx| {
 324            if Vim::take_count(cx).is_none() {
 325                window.dispatch_action(zed_actions::project_panel::ToggleFocus.boxed_clone(), cx);
 326            }
 327        });
 328
 329        workspace.register_action(|workspace, n: &Number, window, cx| {
 330            let vim = workspace
 331                .focused_pane(window, cx)
 332                .read(cx)
 333                .active_item()
 334                .and_then(|item| item.act_as::<Editor>(cx))
 335                .and_then(|editor| editor.read(cx).addon::<VimAddon>().cloned());
 336            if let Some(vim) = vim {
 337                let digit = n.0;
 338                vim.entity.update(cx, |_, cx| {
 339                    cx.defer_in(window, move |vim, window, cx| {
 340                        vim.push_count_digit(digit, window, cx)
 341                    })
 342                });
 343            } else {
 344                let count = Vim::globals(cx).pre_count.unwrap_or(0);
 345                Vim::globals(cx).pre_count = Some(
 346                    count
 347                        .checked_mul(10)
 348                        .and_then(|c| c.checked_add(n.0))
 349                        .unwrap_or(count),
 350                );
 351            };
 352        });
 353
 354        workspace.register_action(|_, _: &zed_actions::vim::OpenDefaultKeymap, _, cx| {
 355            cx.emit(workspace::Event::OpenBundledFile {
 356                text: settings::vim_keymap(),
 357                title: "Default Vim Bindings",
 358                language: "JSON",
 359            });
 360        });
 361
 362        workspace.register_action(|workspace, _: &ResetPaneSizes, _, cx| {
 363            workspace.reset_pane_sizes(cx);
 364        });
 365
 366        workspace.register_action(|workspace, _: &MaximizePane, window, cx| {
 367            let pane = workspace.active_pane();
 368            let Some(size) = workspace.bounding_box_for_pane(pane) else {
 369                return;
 370            };
 371
 372            let theme = ThemeSettings::get_global(cx);
 373            let height = theme.buffer_font_size(cx) * theme.buffer_line_height.value();
 374
 375            let desired_size = if let Some(count) = Vim::take_count(cx) {
 376                height * count
 377            } else {
 378                px(10000.)
 379            };
 380            workspace.resize_pane(Axis::Vertical, desired_size - size.size.height, window, cx)
 381        });
 382
 383        workspace.register_action(|workspace, _: &ResizePaneRight, window, cx| {
 384            let count = Vim::take_count(cx).unwrap_or(1) as f32;
 385            Vim::take_forced_motion(cx);
 386            let theme = ThemeSettings::get_global(cx);
 387            let font_id = window.text_system().resolve_font(&theme.buffer_font);
 388            let Ok(width) = window
 389                .text_system()
 390                .advance(font_id, theme.buffer_font_size(cx), 'm')
 391            else {
 392                return;
 393            };
 394            workspace.resize_pane(Axis::Horizontal, width.width * count, window, cx);
 395        });
 396
 397        workspace.register_action(|workspace, _: &ResizePaneLeft, window, cx| {
 398            let count = Vim::take_count(cx).unwrap_or(1) as f32;
 399            Vim::take_forced_motion(cx);
 400            let theme = ThemeSettings::get_global(cx);
 401            let font_id = window.text_system().resolve_font(&theme.buffer_font);
 402            let Ok(width) = window
 403                .text_system()
 404                .advance(font_id, theme.buffer_font_size(cx), 'm')
 405            else {
 406                return;
 407            };
 408            workspace.resize_pane(Axis::Horizontal, -width.width * count, window, cx);
 409        });
 410
 411        workspace.register_action(|workspace, _: &ResizePaneUp, window, cx| {
 412            let count = Vim::take_count(cx).unwrap_or(1) as f32;
 413            Vim::take_forced_motion(cx);
 414            let theme = ThemeSettings::get_global(cx);
 415            let height = theme.buffer_font_size(cx) * theme.buffer_line_height.value();
 416            workspace.resize_pane(Axis::Vertical, height * count, window, cx);
 417        });
 418
 419        workspace.register_action(|workspace, _: &ResizePaneDown, window, cx| {
 420            let count = Vim::take_count(cx).unwrap_or(1) as f32;
 421            Vim::take_forced_motion(cx);
 422            let theme = ThemeSettings::get_global(cx);
 423            let height = theme.buffer_font_size(cx) * theme.buffer_line_height.value();
 424            workspace.resize_pane(Axis::Vertical, -height * count, window, cx);
 425        });
 426
 427        workspace.register_action(|workspace, _: &SearchSubmit, window, cx| {
 428            let vim = workspace
 429                .focused_pane(window, cx)
 430                .read(cx)
 431                .active_item()
 432                .and_then(|item| item.act_as::<Editor>(cx))
 433                .and_then(|editor| editor.read(cx).addon::<VimAddon>().cloned());
 434            let Some(vim) = vim else { return };
 435            vim.entity.update(cx, |vim, cx| {
 436                if !vim.search.cmd_f_search {
 437                    cx.defer_in(window, |vim, window, cx| vim.search_submit(window, cx))
 438                } else {
 439                    cx.propagate()
 440                }
 441            })
 442        });
 443        workspace.register_action(|_, _: &GoToTab, window, cx| {
 444            let count = Vim::take_count(cx);
 445            Vim::take_forced_motion(cx);
 446
 447            if let Some(tab_index) = count {
 448                // <count>gt goes to tab <count> (1-based).
 449                let zero_based_index = tab_index.saturating_sub(1);
 450                window.dispatch_action(
 451                    workspace::pane::ActivateItem(zero_based_index).boxed_clone(),
 452                    cx,
 453                );
 454            } else {
 455                // If no count is provided, go to the next tab.
 456                window.dispatch_action(
 457                    workspace::pane::ActivateNextItem::default().boxed_clone(),
 458                    cx,
 459                );
 460            }
 461        });
 462
 463        workspace.register_action(|workspace, _: &GoToPreviousTab, window, cx| {
 464            let count = Vim::take_count(cx);
 465            Vim::take_forced_motion(cx);
 466
 467            if let Some(count) = count {
 468                // gT with count goes back that many tabs with wraparound (not the same as gt!).
 469                let pane = workspace.active_pane().read(cx);
 470                let item_count = pane.items().count();
 471                if item_count > 0 {
 472                    let current_index = pane.active_item_index();
 473                    let target_index = (current_index as isize - count as isize)
 474                        .rem_euclid(item_count as isize)
 475                        as usize;
 476                    window.dispatch_action(
 477                        workspace::pane::ActivateItem(target_index).boxed_clone(),
 478                        cx,
 479                    );
 480                }
 481            } else {
 482                // No count provided, go to the previous tab.
 483                window.dispatch_action(
 484                    workspace::pane::ActivatePreviousItem::default().boxed_clone(),
 485                    cx,
 486                );
 487            }
 488        });
 489    })
 490    .detach();
 491}
 492
 493#[derive(Clone)]
 494pub(crate) struct VimAddon {
 495    pub(crate) entity: Entity<Vim>,
 496}
 497
 498impl editor::Addon for VimAddon {
 499    fn extend_key_context(&self, key_context: &mut KeyContext, cx: &App) {
 500        self.entity.read(cx).extend_key_context(key_context, cx)
 501    }
 502
 503    fn to_any(&self) -> &dyn std::any::Any {
 504        self
 505    }
 506}
 507
 508/// The state pertaining to Vim mode.
 509pub(crate) struct Vim {
 510    pub(crate) mode: Mode,
 511    pub last_mode: Mode,
 512    pub temp_mode: bool,
 513    pub status_label: Option<SharedString>,
 514    pub exit_temporary_mode: bool,
 515
 516    operator_stack: Vec<Operator>,
 517    pub(crate) replacements: Vec<(Range<editor::Anchor>, String)>,
 518
 519    pub(crate) stored_visual_mode: Option<(Mode, Vec<bool>)>,
 520
 521    pub(crate) current_tx: Option<TransactionId>,
 522    pub(crate) current_anchor: Option<Selection<Anchor>>,
 523    pub(crate) undo_modes: HashMap<TransactionId, Mode>,
 524    pub(crate) undo_last_line_tx: Option<TransactionId>,
 525    extended_pending_selection_id: Option<usize>,
 526
 527    selected_register: Option<char>,
 528    pub search: SearchState,
 529
 530    editor: WeakEntity<Editor>,
 531
 532    last_command: Option<String>,
 533    running_command: Option<Task<()>>,
 534    _subscriptions: Vec<Subscription>,
 535}
 536
 537// Hack: Vim intercepts events dispatched to a window and updates the view in response.
 538// This means it needs a VisualContext. The easiest way to satisfy that constraint is
 539// to make Vim a "View" that is just never actually rendered.
 540impl Render for Vim {
 541    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
 542        gpui::Empty
 543    }
 544}
 545
 546enum VimEvent {
 547    Focused,
 548}
 549impl EventEmitter<VimEvent> for Vim {}
 550
 551impl Vim {
 552    /// The namespace for Vim actions.
 553    const NAMESPACE: &'static str = "vim";
 554
 555    pub fn new(window: &mut Window, cx: &mut Context<Editor>) -> Entity<Self> {
 556        let editor = cx.entity();
 557
 558        let initial_vim_mode = VimSettings::get_global(cx).default_mode;
 559        let (mode, last_mode) = if HelixModeSetting::get_global(cx).0 {
 560            let initial_helix_mode = match initial_vim_mode {
 561                Mode::Normal => Mode::HelixNormal,
 562                Mode::Insert => Mode::Insert,
 563                // Otherwise, we panic with a note that we should never get there due to the
 564                // possible values of VimSettings::get_global(cx).default_mode being either Mode::Normal or Mode::Insert.
 565                _ => unreachable!("Invalid default mode"),
 566            };
 567            (initial_helix_mode, Mode::HelixNormal)
 568        } else {
 569            (initial_vim_mode, Mode::Normal)
 570        };
 571
 572        cx.new(|cx| Vim {
 573            mode,
 574            last_mode,
 575            temp_mode: false,
 576            exit_temporary_mode: false,
 577            operator_stack: Vec::new(),
 578            replacements: Vec::new(),
 579
 580            stored_visual_mode: None,
 581            current_tx: None,
 582            undo_last_line_tx: None,
 583            current_anchor: None,
 584            extended_pending_selection_id: None,
 585            undo_modes: HashMap::default(),
 586
 587            status_label: None,
 588            selected_register: None,
 589            search: SearchState::default(),
 590
 591            last_command: None,
 592            running_command: None,
 593
 594            editor: editor.downgrade(),
 595            _subscriptions: vec![
 596                cx.observe_keystrokes(Self::observe_keystrokes),
 597                cx.subscribe_in(&editor, window, |this, _, event, window, cx| {
 598                    this.handle_editor_event(event, window, cx)
 599                }),
 600            ],
 601        })
 602    }
 603
 604    fn register(editor: &mut Editor, window: Option<&mut Window>, cx: &mut Context<Editor>) {
 605        let Some(window) = window else {
 606            return;
 607        };
 608
 609        if !editor.use_modal_editing() {
 610            return;
 611        }
 612
 613        let mut was_enabled = Vim::enabled(cx);
 614        let mut was_helix_enabled = HelixModeSetting::get_global(cx).0;
 615        let mut was_toggle = VimSettings::get_global(cx).toggle_relative_line_numbers;
 616        cx.observe_global_in::<SettingsStore>(window, move |editor, window, cx| {
 617            let enabled = Vim::enabled(cx);
 618            let helix_enabled = HelixModeSetting::get_global(cx).0;
 619            let toggle = VimSettings::get_global(cx).toggle_relative_line_numbers;
 620            if enabled && was_enabled && (toggle != was_toggle) {
 621                if toggle {
 622                    let is_relative = editor
 623                        .addon::<VimAddon>()
 624                        .map(|vim| vim.entity.read(cx).mode != Mode::Insert);
 625                    editor.set_relative_line_number(is_relative, cx)
 626                } else {
 627                    editor.set_relative_line_number(None, cx)
 628                }
 629            }
 630            let helix_changed = was_helix_enabled != helix_enabled;
 631            was_toggle = toggle;
 632            was_helix_enabled = helix_enabled;
 633
 634            let state_changed = (was_enabled != enabled) || (was_enabled && helix_changed);
 635            if !state_changed {
 636                return;
 637            }
 638            if was_enabled {
 639                Self::deactivate(editor, cx);
 640            }
 641            was_enabled = enabled;
 642            if enabled {
 643                Self::activate(editor, window, cx);
 644            }
 645        })
 646        .detach();
 647        if was_enabled {
 648            Self::activate(editor, window, cx)
 649        }
 650    }
 651
 652    fn activate(editor: &mut Editor, window: &mut Window, cx: &mut Context<Editor>) {
 653        let vim = Vim::new(window, cx);
 654        let state = vim.update(cx, |vim, cx| {
 655            if !editor.use_modal_editing() {
 656                vim.mode = Mode::Insert;
 657            }
 658
 659            vim.state_for_editor_settings(cx)
 660        });
 661
 662        Vim::sync_vim_settings_to_editor(&state, editor, window, cx);
 663
 664        editor.register_addon(VimAddon {
 665            entity: vim.clone(),
 666        });
 667
 668        vim.update(cx, |_, cx| {
 669            Vim::action(editor, cx, |vim, _: &SwitchToNormalMode, window, cx| {
 670                vim.switch_mode(Mode::Normal, false, window, cx)
 671            });
 672
 673            Vim::action(editor, cx, |vim, _: &SwitchToInsertMode, window, cx| {
 674                vim.switch_mode(Mode::Insert, false, window, cx)
 675            });
 676
 677            Vim::action(editor, cx, |vim, _: &SwitchToReplaceMode, window, cx| {
 678                vim.switch_mode(Mode::Replace, false, window, cx)
 679            });
 680
 681            Vim::action(editor, cx, |vim, _: &SwitchToVisualMode, window, cx| {
 682                vim.switch_mode(Mode::Visual, false, window, cx)
 683            });
 684
 685            Vim::action(editor, cx, |vim, _: &SwitchToVisualLineMode, window, cx| {
 686                vim.switch_mode(Mode::VisualLine, false, window, cx)
 687            });
 688
 689            Vim::action(
 690                editor,
 691                cx,
 692                |vim, _: &SwitchToVisualBlockMode, window, cx| {
 693                    vim.switch_mode(Mode::VisualBlock, false, window, cx)
 694                },
 695            );
 696
 697            Vim::action(
 698                editor,
 699                cx,
 700                |vim, _: &SwitchToHelixNormalMode, window, cx| {
 701                    vim.switch_mode(Mode::HelixNormal, true, window, cx)
 702                },
 703            );
 704            Vim::action(editor, cx, |_, _: &PushForcedMotion, _, cx| {
 705                Vim::globals(cx).forced_motion = true;
 706            });
 707            Vim::action(editor, cx, |vim, action: &PushObject, window, cx| {
 708                vim.push_operator(
 709                    Operator::Object {
 710                        around: action.around,
 711                    },
 712                    window,
 713                    cx,
 714                )
 715            });
 716
 717            Vim::action(editor, cx, |vim, action: &PushFindForward, window, cx| {
 718                vim.push_operator(
 719                    Operator::FindForward {
 720                        before: action.before,
 721                        multiline: action.multiline,
 722                    },
 723                    window,
 724                    cx,
 725                )
 726            });
 727
 728            Vim::action(editor, cx, |vim, action: &PushFindBackward, window, cx| {
 729                vim.push_operator(
 730                    Operator::FindBackward {
 731                        after: action.after,
 732                        multiline: action.multiline,
 733                    },
 734                    window,
 735                    cx,
 736                )
 737            });
 738
 739            Vim::action(editor, cx, |vim, action: &PushSneak, window, cx| {
 740                vim.push_operator(
 741                    Operator::Sneak {
 742                        first_char: action.first_char,
 743                    },
 744                    window,
 745                    cx,
 746                )
 747            });
 748
 749            Vim::action(editor, cx, |vim, action: &PushSneakBackward, window, cx| {
 750                vim.push_operator(
 751                    Operator::SneakBackward {
 752                        first_char: action.first_char,
 753                    },
 754                    window,
 755                    cx,
 756                )
 757            });
 758
 759            Vim::action(editor, cx, |vim, _: &PushAddSurrounds, window, cx| {
 760                vim.push_operator(Operator::AddSurrounds { target: None }, window, cx)
 761            });
 762
 763            Vim::action(
 764                editor,
 765                cx,
 766                |vim, action: &PushChangeSurrounds, window, cx| {
 767                    vim.push_operator(
 768                        Operator::ChangeSurrounds {
 769                            target: action.target,
 770                            opening: false,
 771                        },
 772                        window,
 773                        cx,
 774                    )
 775                },
 776            );
 777
 778            Vim::action(editor, cx, |vim, action: &PushJump, window, cx| {
 779                vim.push_operator(Operator::Jump { line: action.line }, window, cx)
 780            });
 781
 782            Vim::action(editor, cx, |vim, action: &PushDigraph, window, cx| {
 783                vim.push_operator(
 784                    Operator::Digraph {
 785                        first_char: action.first_char,
 786                    },
 787                    window,
 788                    cx,
 789                )
 790            });
 791
 792            Vim::action(editor, cx, |vim, action: &PushLiteral, window, cx| {
 793                vim.push_operator(
 794                    Operator::Literal {
 795                        prefix: action.prefix.clone(),
 796                    },
 797                    window,
 798                    cx,
 799                )
 800            });
 801
 802            Vim::action(editor, cx, |vim, _: &PushChange, window, cx| {
 803                vim.push_operator(Operator::Change, window, cx)
 804            });
 805
 806            Vim::action(editor, cx, |vim, _: &PushDelete, window, cx| {
 807                vim.push_operator(Operator::Delete, window, cx)
 808            });
 809
 810            Vim::action(editor, cx, |vim, _: &PushYank, window, cx| {
 811                vim.push_operator(Operator::Yank, window, cx)
 812            });
 813
 814            Vim::action(editor, cx, |vim, _: &PushReplace, window, cx| {
 815                vim.push_operator(Operator::Replace, window, cx)
 816            });
 817
 818            Vim::action(editor, cx, |vim, _: &PushDeleteSurrounds, window, cx| {
 819                vim.push_operator(Operator::DeleteSurrounds, window, cx)
 820            });
 821
 822            Vim::action(editor, cx, |vim, _: &PushMark, window, cx| {
 823                vim.push_operator(Operator::Mark, window, cx)
 824            });
 825
 826            Vim::action(editor, cx, |vim, _: &PushIndent, window, cx| {
 827                vim.push_operator(Operator::Indent, window, cx)
 828            });
 829
 830            Vim::action(editor, cx, |vim, _: &PushOutdent, window, cx| {
 831                vim.push_operator(Operator::Outdent, window, cx)
 832            });
 833
 834            Vim::action(editor, cx, |vim, _: &PushAutoIndent, window, cx| {
 835                vim.push_operator(Operator::AutoIndent, window, cx)
 836            });
 837
 838            Vim::action(editor, cx, |vim, _: &PushRewrap, window, cx| {
 839                vim.push_operator(Operator::Rewrap, window, cx)
 840            });
 841
 842            Vim::action(editor, cx, |vim, _: &PushShellCommand, window, cx| {
 843                vim.push_operator(Operator::ShellCommand, window, cx)
 844            });
 845
 846            Vim::action(editor, cx, |vim, _: &PushLowercase, window, cx| {
 847                vim.push_operator(Operator::Lowercase, window, cx)
 848            });
 849
 850            Vim::action(editor, cx, |vim, _: &PushUppercase, window, cx| {
 851                vim.push_operator(Operator::Uppercase, window, cx)
 852            });
 853
 854            Vim::action(editor, cx, |vim, _: &PushOppositeCase, window, cx| {
 855                vim.push_operator(Operator::OppositeCase, window, cx)
 856            });
 857
 858            Vim::action(editor, cx, |vim, _: &PushRot13, window, cx| {
 859                vim.push_operator(Operator::Rot13, window, cx)
 860            });
 861
 862            Vim::action(editor, cx, |vim, _: &PushRot47, window, cx| {
 863                vim.push_operator(Operator::Rot47, window, cx)
 864            });
 865
 866            Vim::action(editor, cx, |vim, _: &PushRegister, window, cx| {
 867                vim.push_operator(Operator::Register, window, cx)
 868            });
 869
 870            Vim::action(editor, cx, |vim, _: &PushRecordRegister, window, cx| {
 871                vim.push_operator(Operator::RecordRegister, window, cx)
 872            });
 873
 874            Vim::action(editor, cx, |vim, _: &PushReplayRegister, window, cx| {
 875                vim.push_operator(Operator::ReplayRegister, window, cx)
 876            });
 877
 878            Vim::action(
 879                editor,
 880                cx,
 881                |vim, _: &PushReplaceWithRegister, window, cx| {
 882                    vim.push_operator(Operator::ReplaceWithRegister, window, cx)
 883                },
 884            );
 885
 886            Vim::action(editor, cx, |vim, _: &Exchange, window, cx| {
 887                if vim.mode.is_visual() {
 888                    vim.exchange_visual(window, cx)
 889                } else {
 890                    vim.push_operator(Operator::Exchange, window, cx)
 891                }
 892            });
 893
 894            Vim::action(editor, cx, |vim, _: &ClearExchange, window, cx| {
 895                vim.clear_exchange(window, cx)
 896            });
 897
 898            Vim::action(editor, cx, |vim, _: &PushToggleComments, window, cx| {
 899                vim.push_operator(Operator::ToggleComments, window, cx)
 900            });
 901
 902            Vim::action(editor, cx, |vim, _: &ClearOperators, window, cx| {
 903                vim.clear_operator(window, cx)
 904            });
 905            Vim::action(editor, cx, |vim, n: &Number, window, cx| {
 906                vim.push_count_digit(n.0, window, cx);
 907            });
 908            Vim::action(editor, cx, |vim, _: &Tab, window, cx| {
 909                vim.input_ignored(" ".into(), window, cx)
 910            });
 911            Vim::action(
 912                editor,
 913                cx,
 914                |vim, action: &editor::actions::AcceptEditPrediction, window, cx| {
 915                    vim.update_editor(cx, |_, editor, cx| {
 916                        editor.accept_edit_prediction(action, window, cx);
 917                    });
 918                    // In non-insertion modes, predictions will be hidden and instead a jump will be
 919                    // displayed (and performed by `accept_edit_prediction`). This switches to
 920                    // insert mode so that the prediction is displayed after the jump.
 921                    match vim.mode {
 922                        Mode::Replace => {}
 923                        _ => vim.switch_mode(Mode::Insert, true, window, cx),
 924                    };
 925                },
 926            );
 927            Vim::action(editor, cx, |vim, _: &Enter, window, cx| {
 928                vim.input_ignored("\n".into(), window, cx)
 929            });
 930            Vim::action(editor, cx, |vim, _: &PushHelixMatch, window, cx| {
 931                vim.push_operator(Operator::HelixMatch, window, cx)
 932            });
 933            Vim::action(editor, cx, |vim, action: &PushHelixNext, window, cx| {
 934                vim.push_operator(
 935                    Operator::HelixNext {
 936                        around: action.around,
 937                    },
 938                    window,
 939                    cx,
 940                );
 941            });
 942            Vim::action(editor, cx, |vim, action: &PushHelixPrevious, window, cx| {
 943                vim.push_operator(
 944                    Operator::HelixPrevious {
 945                        around: action.around,
 946                    },
 947                    window,
 948                    cx,
 949                );
 950            });
 951
 952            Vim::action(
 953                editor,
 954                cx,
 955                |vim, _: &editor::actions::Paste, window, cx| match vim.mode {
 956                    Mode::Replace => vim.paste_replace(window, cx),
 957                    Mode::Visual | Mode::VisualLine | Mode::VisualBlock => {
 958                        vim.selected_register.replace('+');
 959                        vim.paste(&VimPaste::default(), window, cx);
 960                    }
 961                    _ => {
 962                        vim.update_editor(cx, |_, editor, cx| editor.paste(&Paste, window, cx));
 963                    }
 964                },
 965            );
 966
 967            normal::register(editor, cx);
 968            insert::register(editor, cx);
 969            helix::register(editor, cx);
 970            motion::register(editor, cx);
 971            command::register(editor, cx);
 972            replace::register(editor, cx);
 973            indent::register(editor, cx);
 974            rewrap::register(editor, cx);
 975            object::register(editor, cx);
 976            visual::register(editor, cx);
 977            change_list::register(editor, cx);
 978            digraph::register(editor, cx);
 979
 980            if editor.is_focused(window) {
 981                cx.defer_in(window, |vim, window, cx| {
 982                    vim.focused(false, window, cx);
 983                })
 984            }
 985        })
 986    }
 987
 988    fn deactivate(editor: &mut Editor, cx: &mut Context<Editor>) {
 989        editor.set_cursor_shape(
 990            EditorSettings::get_global(cx)
 991                .cursor_shape
 992                .unwrap_or_default(),
 993            cx,
 994        );
 995        editor.set_clip_at_line_ends(false, cx);
 996        editor.set_collapse_matches(false);
 997        editor.set_input_enabled(true);
 998        editor.set_expects_character_input(true);
 999        editor.set_autoindent(true);
1000        editor.selections.set_line_mode(false);
1001        editor.unregister_addon::<VimAddon>();
1002        editor.set_relative_line_number(None, cx);
1003        if let Some(vim) = Vim::globals(cx).focused_vim()
1004            && vim.entity_id() == cx.entity().entity_id()
1005        {
1006            Vim::globals(cx).focused_vim = None;
1007        }
1008    }
1009
1010    /// Register an action on the editor.
1011    pub fn action<A: Action>(
1012        editor: &mut Editor,
1013        cx: &mut Context<Vim>,
1014        f: impl Fn(&mut Vim, &A, &mut Window, &mut Context<Vim>) + 'static,
1015    ) {
1016        let subscription = editor.register_action(cx.listener(move |vim, action, window, cx| {
1017            if !Vim::globals(cx).dot_replaying {
1018                if vim.status_label.take().is_some() {
1019                    cx.notify();
1020                }
1021            }
1022            f(vim, action, window, cx);
1023        }));
1024        cx.on_release(|_, _| drop(subscription)).detach();
1025    }
1026
1027    pub fn editor(&self) -> Option<Entity<Editor>> {
1028        self.editor.upgrade()
1029    }
1030
1031    pub fn workspace(&self, window: &Window, cx: &App) -> Option<Entity<Workspace>> {
1032        Workspace::for_window(window, cx)
1033    }
1034
1035    pub fn pane(&self, window: &Window, cx: &Context<Self>) -> Option<Entity<Pane>> {
1036        self.workspace(window, cx)
1037            .map(|workspace| workspace.read(cx).focused_pane(window, cx))
1038    }
1039
1040    pub fn enabled(cx: &mut App) -> bool {
1041        VimModeSetting::get_global(cx).0 || HelixModeSetting::get_global(cx).0
1042    }
1043
1044    /// Called whenever an keystroke is typed so vim can observe all actions
1045    /// and keystrokes accordingly.
1046    fn observe_keystrokes(
1047        &mut self,
1048        keystroke_event: &KeystrokeEvent,
1049        window: &mut Window,
1050        cx: &mut Context<Self>,
1051    ) {
1052        if self.exit_temporary_mode {
1053            self.exit_temporary_mode = false;
1054            // Don't switch to insert mode if the action is temporary_normal.
1055            if let Some(action) = keystroke_event.action.as_ref()
1056                && action.as_any().downcast_ref::<TemporaryNormal>().is_some()
1057            {
1058                return;
1059            }
1060            self.switch_mode(Mode::Insert, false, window, cx)
1061        }
1062        if let Some(action) = keystroke_event.action.as_ref() {
1063            // Keystroke is handled by the vim system, so continue forward
1064            if action.name().starts_with("vim::") {
1065                self.update_editor(cx, |_, editor, cx| {
1066                    editor.hide_mouse_cursor(HideMouseCursorOrigin::MovementAction, cx)
1067                });
1068
1069                return;
1070            }
1071        } else if window.has_pending_keystrokes() || keystroke_event.keystroke.is_ime_in_progress()
1072        {
1073            return;
1074        }
1075
1076        if let Some(operator) = self.active_operator() {
1077            match operator {
1078                Operator::Literal { prefix } => {
1079                    self.handle_literal_keystroke(
1080                        keystroke_event,
1081                        prefix.unwrap_or_default(),
1082                        window,
1083                        cx,
1084                    );
1085                }
1086                _ if !operator.is_waiting(self.mode) => {
1087                    self.clear_operator(window, cx);
1088                    self.stop_recording_immediately(Box::new(ClearOperators), cx)
1089                }
1090                _ => {}
1091            }
1092        }
1093    }
1094
1095    fn handle_editor_event(
1096        &mut self,
1097        event: &EditorEvent,
1098        window: &mut Window,
1099        cx: &mut Context<Self>,
1100    ) {
1101        match event {
1102            EditorEvent::Focused => self.focused(true, window, cx),
1103            EditorEvent::Blurred => self.blurred(window, cx),
1104            EditorEvent::SelectionsChanged { local: true } => {
1105                self.local_selections_changed(window, cx);
1106            }
1107            EditorEvent::InputIgnored { text } => {
1108                self.input_ignored(text.clone(), window, cx);
1109                Vim::globals(cx).observe_insertion(text, None)
1110            }
1111            EditorEvent::InputHandled {
1112                text,
1113                utf16_range_to_replace: range_to_replace,
1114            } => Vim::globals(cx).observe_insertion(text, range_to_replace.clone()),
1115            EditorEvent::TransactionBegun { transaction_id } => {
1116                self.transaction_begun(*transaction_id, window, cx)
1117            }
1118            EditorEvent::TransactionUndone { transaction_id } => {
1119                self.transaction_undone(transaction_id, window, cx)
1120            }
1121            EditorEvent::Edited { .. } => self.push_to_change_list(window, cx),
1122            EditorEvent::FocusedIn => self.sync_vim_settings(window, cx),
1123            EditorEvent::CursorShapeChanged => self.cursor_shape_changed(window, cx),
1124            EditorEvent::PushedToNavHistory {
1125                anchor,
1126                is_deactivate,
1127            } => {
1128                self.update_editor(cx, |vim, editor, cx| {
1129                    let mark = if *is_deactivate {
1130                        "\"".to_string()
1131                    } else {
1132                        "'".to_string()
1133                    };
1134                    vim.set_mark(mark, vec![*anchor], editor.buffer(), window, cx);
1135                });
1136            }
1137            _ => {}
1138        }
1139    }
1140
1141    fn push_operator(&mut self, operator: Operator, window: &mut Window, cx: &mut Context<Self>) {
1142        if operator.starts_dot_recording() {
1143            self.start_recording(cx);
1144        }
1145        // Since these operations can only be entered with pre-operators,
1146        // we need to clear the previous operators when pushing,
1147        // so that the current stack is the most correct
1148        if matches!(
1149            operator,
1150            Operator::AddSurrounds { .. }
1151                | Operator::ChangeSurrounds { .. }
1152                | Operator::DeleteSurrounds
1153                | Operator::Exchange
1154        ) {
1155            self.operator_stack.clear();
1156        };
1157        self.operator_stack.push(operator);
1158        self.sync_vim_settings(window, cx);
1159    }
1160
1161    pub fn switch_mode(
1162        &mut self,
1163        mode: Mode,
1164        leave_selections: bool,
1165        window: &mut Window,
1166        cx: &mut Context<Self>,
1167    ) {
1168        if self.temp_mode && mode == Mode::Normal {
1169            self.temp_mode = false;
1170            self.switch_mode(Mode::Normal, leave_selections, window, cx);
1171            self.switch_mode(Mode::Insert, false, window, cx);
1172            return;
1173        } else if self.temp_mode
1174            && !matches!(mode, Mode::Visual | Mode::VisualLine | Mode::VisualBlock)
1175        {
1176            self.temp_mode = false;
1177        }
1178
1179        let last_mode = self.mode;
1180        let prior_mode = self.last_mode;
1181        let prior_tx = self.current_tx;
1182        self.last_mode = last_mode;
1183        self.mode = mode;
1184        self.operator_stack.clear();
1185        self.selected_register.take();
1186        self.cancel_running_command(window, cx);
1187        if mode == Mode::Normal || mode != last_mode {
1188            self.current_tx.take();
1189            self.current_anchor.take();
1190            self.update_editor(cx, |_, editor, _| {
1191                editor.clear_selection_drag_state();
1192            });
1193        }
1194        Vim::take_forced_motion(cx);
1195        if mode != Mode::Insert && mode != Mode::Replace {
1196            Vim::take_count(cx);
1197        }
1198
1199        // Sync editor settings like clip mode
1200        self.sync_vim_settings(window, cx);
1201
1202        if VimSettings::get_global(cx).toggle_relative_line_numbers
1203            && self.mode != self.last_mode
1204            && (self.mode == Mode::Insert || self.last_mode == Mode::Insert)
1205        {
1206            self.update_editor(cx, |vim, editor, cx| {
1207                let is_relative = vim.mode != Mode::Insert;
1208                editor.set_relative_line_number(Some(is_relative), cx)
1209            });
1210        }
1211        if HelixModeSetting::get_global(cx).0 {
1212            if self.mode == Mode::Normal {
1213                self.mode = Mode::HelixNormal
1214            } else if self.mode == Mode::Visual {
1215                self.mode = Mode::HelixSelect
1216            }
1217        }
1218
1219        if leave_selections {
1220            return;
1221        }
1222
1223        if !mode.is_visual() && last_mode.is_visual() && !last_mode.is_helix() {
1224            self.create_visual_marks(last_mode, window, cx);
1225        }
1226
1227        // Adjust selections
1228        self.update_editor(cx, |vim, editor, cx| {
1229            if last_mode != Mode::VisualBlock && last_mode.is_visual() && mode == Mode::VisualBlock
1230            {
1231                vim.visual_block_motion(true, editor, window, cx, &mut |_, point, goal| {
1232                    Some((point, goal))
1233                })
1234            }
1235            if (last_mode == Mode::Insert || last_mode == Mode::Replace)
1236                && let Some(prior_tx) = prior_tx
1237            {
1238                editor.group_until_transaction(prior_tx, cx)
1239            }
1240
1241            editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
1242                // we cheat with visual block mode and use multiple cursors.
1243                // the cost of this cheat is we need to convert back to a single
1244                // cursor whenever vim would.
1245                if last_mode == Mode::VisualBlock
1246                    && (mode != Mode::VisualBlock && mode != Mode::Insert)
1247                {
1248                    let tail = s.oldest_anchor().tail();
1249                    let head = s.newest_anchor().head();
1250                    s.select_anchor_ranges(vec![tail..head]);
1251                } else if last_mode == Mode::Insert
1252                    && prior_mode == Mode::VisualBlock
1253                    && mode != Mode::VisualBlock
1254                {
1255                    let pos = s.first_anchor().head();
1256                    s.select_anchor_ranges(vec![pos..pos])
1257                }
1258
1259                let mut should_extend_pending = false;
1260                if !last_mode.is_visual()
1261                    && mode.is_visual()
1262                    && let Some(pending) = s.pending_anchor()
1263                {
1264                    let snapshot = s.display_snapshot();
1265                    let is_empty = pending
1266                        .start
1267                        .cmp(&pending.end, &snapshot.buffer_snapshot())
1268                        .is_eq();
1269                    should_extend_pending = pending.reversed
1270                        && !is_empty
1271                        && vim.extended_pending_selection_id != Some(pending.id);
1272                };
1273
1274                if should_extend_pending {
1275                    let snapshot = s.display_snapshot();
1276                    s.change_with(&snapshot, |map| {
1277                        if let Some(pending) = map.pending_anchor_mut() {
1278                            let end = pending.end.to_point(&snapshot.buffer_snapshot());
1279                            let end = end.to_display_point(&snapshot);
1280                            let new_end = movement::right(&snapshot, end);
1281                            pending.end = snapshot
1282                                .buffer_snapshot()
1283                                .anchor_before(new_end.to_point(&snapshot));
1284                        }
1285                    });
1286                    vim.extended_pending_selection_id = s.pending_anchor().map(|p| p.id)
1287                }
1288
1289                s.move_with(&mut |map, selection| {
1290                    if last_mode.is_visual() && !last_mode.is_helix() && !mode.is_visual() {
1291                        let mut point = selection.head();
1292                        if !selection.reversed && !selection.is_empty() {
1293                            point = movement::left(map, selection.head());
1294                        } else if selection.is_empty() {
1295                            point = map.clip_point(point, Bias::Left);
1296                        }
1297                        selection.collapse_to(point, selection.goal)
1298                    } else if !last_mode.is_visual() && mode.is_visual() {
1299                        if selection.is_empty() {
1300                            selection.end = movement::right(map, selection.start);
1301                        }
1302                    }
1303                });
1304            })
1305        });
1306    }
1307
1308    pub fn take_count(cx: &mut App) -> Option<usize> {
1309        let global_state = cx.global_mut::<VimGlobals>();
1310        if global_state.dot_replaying {
1311            return global_state.recorded_count;
1312        }
1313
1314        let count = if global_state.post_count.is_none() && global_state.pre_count.is_none() {
1315            return None;
1316        } else {
1317            Some(
1318                global_state.post_count.take().unwrap_or(1)
1319                    * global_state.pre_count.take().unwrap_or(1),
1320            )
1321        };
1322
1323        if global_state.dot_recording {
1324            global_state.recording_count = count;
1325        }
1326        count
1327    }
1328
1329    pub fn take_forced_motion(cx: &mut App) -> bool {
1330        let global_state = cx.global_mut::<VimGlobals>();
1331        let forced_motion = global_state.forced_motion;
1332        global_state.forced_motion = false;
1333        forced_motion
1334    }
1335
1336    pub fn cursor_shape(&self, cx: &App) -> CursorShape {
1337        let cursor_shape = VimSettings::get_global(cx).cursor_shape;
1338        match self.mode {
1339            Mode::Normal => {
1340                if let Some(operator) = self.operator_stack.last() {
1341                    match operator {
1342                        // Navigation operators -> Block cursor
1343                        Operator::FindForward { .. }
1344                        | Operator::FindBackward { .. }
1345                        | Operator::Mark
1346                        | Operator::Jump { .. }
1347                        | Operator::Register
1348                        | Operator::RecordRegister
1349                        | Operator::ReplayRegister => CursorShape::Block,
1350
1351                        // All other operators -> Underline cursor
1352                        _ => CursorShape::Underline,
1353                    }
1354                } else {
1355                    cursor_shape.normal
1356                }
1357            }
1358            Mode::HelixNormal => cursor_shape.normal,
1359            Mode::Replace => cursor_shape.replace,
1360            Mode::Visual | Mode::VisualLine | Mode::VisualBlock | Mode::HelixSelect => {
1361                cursor_shape.visual
1362            }
1363            Mode::Insert => match cursor_shape.insert {
1364                InsertModeCursorShape::Explicit(shape) => shape,
1365                InsertModeCursorShape::Inherit => {
1366                    let editor_settings = EditorSettings::get_global(cx);
1367                    editor_settings.cursor_shape.unwrap_or_default()
1368                }
1369            },
1370        }
1371    }
1372
1373    fn expects_character_input(&self) -> bool {
1374        if let Some(operator) = self.operator_stack.last() {
1375            if operator.is_waiting(self.mode) {
1376                return true;
1377            }
1378        }
1379        self.editor_input_enabled()
1380    }
1381
1382    pub fn editor_input_enabled(&self) -> bool {
1383        match self.mode {
1384            Mode::Insert => {
1385                if let Some(operator) = self.operator_stack.last() {
1386                    !operator.is_waiting(self.mode)
1387                } else {
1388                    true
1389                }
1390            }
1391            Mode::Normal
1392            | Mode::HelixNormal
1393            | Mode::Replace
1394            | Mode::Visual
1395            | Mode::VisualLine
1396            | Mode::VisualBlock
1397            | Mode::HelixSelect => false,
1398        }
1399    }
1400
1401    pub fn should_autoindent(&self) -> bool {
1402        !(self.mode == Mode::Insert && self.last_mode == Mode::VisualBlock)
1403    }
1404
1405    pub fn clip_at_line_ends(&self) -> bool {
1406        match self.mode {
1407            Mode::Insert
1408            | Mode::Visual
1409            | Mode::VisualLine
1410            | Mode::VisualBlock
1411            | Mode::Replace
1412            | Mode::HelixNormal
1413            | Mode::HelixSelect => false,
1414            Mode::Normal => true,
1415        }
1416    }
1417
1418    pub fn extend_key_context(&self, context: &mut KeyContext, cx: &App) {
1419        let mut mode = match self.mode {
1420            Mode::Normal => "normal",
1421            Mode::Visual | Mode::VisualLine | Mode::VisualBlock => "visual",
1422            Mode::Insert => "insert",
1423            Mode::Replace => "replace",
1424            Mode::HelixNormal => "helix_normal",
1425            Mode::HelixSelect => "helix_select",
1426        }
1427        .to_string();
1428
1429        let mut operator_id = "none";
1430
1431        let active_operator = self.active_operator();
1432        if active_operator.is_none() && cx.global::<VimGlobals>().pre_count.is_some()
1433            || active_operator.is_some() && cx.global::<VimGlobals>().post_count.is_some()
1434        {
1435            context.add("VimCount");
1436        }
1437
1438        if let Some(active_operator) = active_operator {
1439            if active_operator.is_waiting(self.mode) {
1440                if matches!(active_operator, Operator::Literal { .. }) {
1441                    mode = "literal".to_string();
1442                } else {
1443                    mode = "waiting".to_string();
1444                }
1445            } else {
1446                operator_id = active_operator.id();
1447                mode = "operator".to_string();
1448            }
1449        }
1450
1451        if mode == "normal"
1452            || mode == "visual"
1453            || mode == "operator"
1454            || mode == "helix_normal"
1455            || mode == "helix_select"
1456        {
1457            context.add("VimControl");
1458        }
1459        context.set("vim_mode", mode);
1460        context.set("vim_operator", operator_id);
1461    }
1462
1463    fn focused(&mut self, preserve_selection: bool, window: &mut Window, cx: &mut Context<Self>) {
1464        // If editor gains focus while search bar is still open (not dismissed),
1465        // the user has explicitly navigated away - clear prior_selections so we
1466        // don't restore to the old position if they later dismiss the search.
1467        if !self.search.prior_selections.is_empty() {
1468            if let Some(pane) = self.pane(window, cx) {
1469                let search_still_open = pane
1470                    .read(cx)
1471                    .toolbar()
1472                    .read(cx)
1473                    .item_of_type::<BufferSearchBar>()
1474                    .is_some_and(|bar| !bar.read(cx).is_dismissed());
1475                if search_still_open {
1476                    self.search.prior_selections.clear();
1477                }
1478            }
1479        }
1480
1481        let Some(editor) = self.editor() else {
1482            return;
1483        };
1484        let newest_selection_empty = editor.update(cx, |editor, cx| {
1485            editor
1486                .selections
1487                .newest::<MultiBufferOffset>(&editor.display_snapshot(cx))
1488                .is_empty()
1489        });
1490        let editor = editor.read(cx);
1491        let editor_mode = editor.mode();
1492
1493        if editor_mode.is_full()
1494            && !newest_selection_empty
1495            && self.mode == Mode::Normal
1496            // When following someone, don't switch vim mode.
1497            && editor.leader_id().is_none()
1498        {
1499            if preserve_selection {
1500                self.switch_mode(Mode::Visual, true, window, cx);
1501            } else {
1502                self.update_editor(cx, |_, editor, cx| {
1503                    editor.set_clip_at_line_ends(false, cx);
1504                    editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
1505                        s.move_with(&mut |_, selection| {
1506                            selection.collapse_to(selection.start, selection.goal)
1507                        })
1508                    });
1509                });
1510            }
1511        }
1512
1513        cx.emit(VimEvent::Focused);
1514        self.sync_vim_settings(window, cx);
1515
1516        if VimSettings::get_global(cx).toggle_relative_line_numbers {
1517            if let Some(old_vim) = Vim::globals(cx).focused_vim() {
1518                if old_vim.entity_id() != cx.entity().entity_id() {
1519                    old_vim.update(cx, |vim, cx| {
1520                        vim.update_editor(cx, |_, editor, cx| {
1521                            editor.set_relative_line_number(None, cx)
1522                        });
1523                    });
1524
1525                    self.update_editor(cx, |vim, editor, cx| {
1526                        let is_relative = vim.mode != Mode::Insert;
1527                        editor.set_relative_line_number(Some(is_relative), cx)
1528                    });
1529                }
1530            } else {
1531                self.update_editor(cx, |vim, editor, cx| {
1532                    let is_relative = vim.mode != Mode::Insert;
1533                    editor.set_relative_line_number(Some(is_relative), cx)
1534                });
1535            }
1536        }
1537        Vim::globals(cx).focused_vim = Some(cx.entity().downgrade());
1538    }
1539
1540    fn blurred(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1541        self.stop_recording_immediately(NormalBefore.boxed_clone(), cx);
1542        self.store_visual_marks(window, cx);
1543        self.clear_operator(window, cx);
1544        self.update_editor(cx, |vim, editor, cx| {
1545            if vim.cursor_shape(cx) == CursorShape::Block {
1546                editor.set_cursor_shape(CursorShape::Hollow, cx);
1547            }
1548        });
1549    }
1550
1551    fn cursor_shape_changed(&mut self, _: &mut Window, cx: &mut Context<Self>) {
1552        self.update_editor(cx, |vim, editor, cx| {
1553            editor.set_cursor_shape(vim.cursor_shape(cx), cx);
1554        });
1555    }
1556
1557    fn update_editor<S>(
1558        &mut self,
1559        cx: &mut Context<Self>,
1560        update: impl FnOnce(&mut Self, &mut Editor, &mut Context<Editor>) -> S,
1561    ) -> Option<S> {
1562        let editor = self.editor.upgrade()?;
1563        Some(editor.update(cx, |editor, cx| update(self, editor, cx)))
1564    }
1565
1566    fn editor_selections(&mut self, _: &mut Window, cx: &mut Context<Self>) -> Vec<Range<Anchor>> {
1567        self.update_editor(cx, |_, editor, _| {
1568            editor
1569                .selections
1570                .disjoint_anchors_arc()
1571                .iter()
1572                .map(|selection| selection.tail()..selection.head())
1573                .collect()
1574        })
1575        .unwrap_or_default()
1576    }
1577
1578    fn editor_cursor_word(
1579        &mut self,
1580        window: &mut Window,
1581        cx: &mut Context<Self>,
1582    ) -> Option<String> {
1583        self.update_editor(cx, |_, editor, cx| {
1584            let snapshot = &editor.snapshot(window, cx);
1585            let selection = editor
1586                .selections
1587                .newest::<MultiBufferOffset>(&snapshot.display_snapshot);
1588
1589            let snapshot = snapshot.buffer_snapshot();
1590            let (range, kind) =
1591                snapshot.surrounding_word(selection.start, Some(CharScopeContext::Completion));
1592            if kind == Some(CharKind::Word) {
1593                let text: String = snapshot.text_for_range(range).collect();
1594                if !text.trim().is_empty() {
1595                    return Some(text);
1596                }
1597            }
1598
1599            None
1600        })
1601        .unwrap_or_default()
1602    }
1603
1604    /// When doing an action that modifies the buffer, we start recording so that `.`
1605    /// will replay the action.
1606    pub fn start_recording(&mut self, cx: &mut Context<Self>) {
1607        Vim::update_globals(cx, |globals, cx| {
1608            if !globals.dot_replaying {
1609                globals.dot_recording = true;
1610                globals.recording_actions = Default::default();
1611                globals.recording_count = None;
1612                globals.recording_register_for_dot = self.selected_register;
1613
1614                let selections = self.editor().map(|editor| {
1615                    editor.update(cx, |editor, cx| {
1616                        let snapshot = editor.display_snapshot(cx);
1617
1618                        (
1619                            editor.selections.oldest::<Point>(&snapshot),
1620                            editor.selections.newest::<Point>(&snapshot),
1621                        )
1622                    })
1623                });
1624
1625                if let Some((oldest, newest)) = selections {
1626                    globals.recorded_selection = match self.mode {
1627                        Mode::Visual if newest.end.row == newest.start.row => {
1628                            RecordedSelection::SingleLine {
1629                                cols: newest.end.column - newest.start.column,
1630                            }
1631                        }
1632                        Mode::Visual => RecordedSelection::Visual {
1633                            rows: newest.end.row - newest.start.row,
1634                            cols: newest.end.column,
1635                        },
1636                        Mode::VisualLine => RecordedSelection::VisualLine {
1637                            rows: newest.end.row - newest.start.row,
1638                        },
1639                        Mode::VisualBlock => RecordedSelection::VisualBlock {
1640                            rows: newest.end.row.abs_diff(oldest.start.row),
1641                            cols: newest.end.column.abs_diff(oldest.start.column),
1642                        },
1643                        _ => RecordedSelection::None,
1644                    }
1645                } else {
1646                    globals.recorded_selection = RecordedSelection::None;
1647                }
1648            }
1649        })
1650    }
1651
1652    pub fn stop_replaying(&mut self, cx: &mut Context<Self>) {
1653        let globals = Vim::globals(cx);
1654        globals.dot_replaying = false;
1655        if let Some(replayer) = globals.replayer.take() {
1656            replayer.stop();
1657        }
1658    }
1659
1660    /// When finishing an action that modifies the buffer, stop recording.
1661    /// as you usually call this within a keystroke handler we also ensure that
1662    /// the current action is recorded.
1663    pub fn stop_recording(&mut self, cx: &mut Context<Self>) {
1664        let globals = Vim::globals(cx);
1665        if globals.dot_recording {
1666            globals.stop_recording_after_next_action = true;
1667        }
1668        self.exit_temporary_mode = self.temp_mode;
1669    }
1670
1671    /// Stops recording actions immediately rather than waiting until after the
1672    /// next action to stop recording.
1673    ///
1674    /// This doesn't include the current action.
1675    pub fn stop_recording_immediately(&mut self, action: Box<dyn Action>, cx: &mut Context<Self>) {
1676        let globals = Vim::globals(cx);
1677        if globals.dot_recording {
1678            globals
1679                .recording_actions
1680                .push(ReplayableAction::Action(action.boxed_clone()));
1681            globals.recorded_actions = mem::take(&mut globals.recording_actions);
1682            globals.recorded_count = globals.recording_count.take();
1683            globals.dot_recording = false;
1684            globals.stop_recording_after_next_action = false;
1685        }
1686        self.exit_temporary_mode = self.temp_mode;
1687    }
1688
1689    /// Explicitly record one action (equivalents to start_recording and stop_recording)
1690    pub fn record_current_action(&mut self, cx: &mut Context<Self>) {
1691        self.start_recording(cx);
1692        self.stop_recording(cx);
1693    }
1694
1695    fn push_count_digit(&mut self, number: usize, window: &mut Window, cx: &mut Context<Self>) {
1696        if self.active_operator().is_some() {
1697            let post_count = Vim::globals(cx).post_count.unwrap_or(0);
1698
1699            Vim::globals(cx).post_count = Some(
1700                post_count
1701                    .checked_mul(10)
1702                    .and_then(|post_count| post_count.checked_add(number))
1703                    .filter(|post_count| *post_count < isize::MAX as usize)
1704                    .unwrap_or(post_count),
1705            )
1706        } else {
1707            let pre_count = Vim::globals(cx).pre_count.unwrap_or(0);
1708
1709            Vim::globals(cx).pre_count = Some(
1710                pre_count
1711                    .checked_mul(10)
1712                    .and_then(|pre_count| pre_count.checked_add(number))
1713                    .filter(|pre_count| *pre_count < isize::MAX as usize)
1714                    .unwrap_or(pre_count),
1715            )
1716        }
1717        // update the keymap so that 0 works
1718        self.sync_vim_settings(window, cx)
1719    }
1720
1721    fn select_register(&mut self, register: Arc<str>, window: &mut Window, cx: &mut Context<Self>) {
1722        if register.chars().count() == 1 {
1723            self.selected_register
1724                .replace(register.chars().next().unwrap());
1725        }
1726        self.operator_stack.clear();
1727        self.sync_vim_settings(window, cx);
1728    }
1729
1730    fn maybe_pop_operator(&mut self) -> Option<Operator> {
1731        self.operator_stack.pop()
1732    }
1733
1734    fn pop_operator(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Operator {
1735        let popped_operator = self.operator_stack.pop()
1736            .expect("Operator popped when no operator was on the stack. This likely means there is an invalid keymap config");
1737        self.sync_vim_settings(window, cx);
1738        popped_operator
1739    }
1740
1741    fn clear_operator(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1742        Vim::take_count(cx);
1743        Vim::take_forced_motion(cx);
1744        self.selected_register.take();
1745        self.operator_stack.clear();
1746        self.sync_vim_settings(window, cx);
1747    }
1748
1749    fn active_operator(&self) -> Option<Operator> {
1750        self.operator_stack.last().cloned()
1751    }
1752
1753    fn transaction_begun(
1754        &mut self,
1755        transaction_id: TransactionId,
1756        _window: &mut Window,
1757        _: &mut Context<Self>,
1758    ) {
1759        let mode = if (self.mode == Mode::Insert
1760            || self.mode == Mode::Replace
1761            || self.mode == Mode::Normal)
1762            && self.current_tx.is_none()
1763        {
1764            self.current_tx = Some(transaction_id);
1765            self.last_mode
1766        } else {
1767            self.mode
1768        };
1769        if mode == Mode::VisualLine || mode == Mode::VisualBlock {
1770            self.undo_modes.insert(transaction_id, mode);
1771        }
1772    }
1773
1774    fn transaction_undone(
1775        &mut self,
1776        transaction_id: &TransactionId,
1777        window: &mut Window,
1778        cx: &mut Context<Self>,
1779    ) {
1780        match self.mode {
1781            Mode::VisualLine | Mode::VisualBlock | Mode::Visual | Mode::HelixSelect => {
1782                self.update_editor(cx, |vim, editor, cx| {
1783                    let original_mode = vim.undo_modes.get(transaction_id);
1784                    editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
1785                        match original_mode {
1786                            Some(Mode::VisualLine) => {
1787                                s.move_with(&mut |map, selection| {
1788                                    selection.collapse_to(
1789                                        map.prev_line_boundary(selection.start.to_point(map)).1,
1790                                        SelectionGoal::None,
1791                                    )
1792                                });
1793                            }
1794                            Some(Mode::VisualBlock) => {
1795                                let mut first = s.first_anchor();
1796                                first.collapse_to(first.start, first.goal);
1797                                s.select_anchors(vec![first]);
1798                            }
1799                            _ => {
1800                                s.move_with(&mut |map, selection| {
1801                                    selection.collapse_to(
1802                                        map.clip_at_line_end(selection.start),
1803                                        selection.goal,
1804                                    );
1805                                });
1806                            }
1807                        }
1808                    });
1809                });
1810                self.switch_mode(Mode::Normal, true, window, cx)
1811            }
1812            Mode::Normal => {
1813                self.update_editor(cx, |_, editor, cx| {
1814                    editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
1815                        s.move_with(&mut |map, selection| {
1816                            selection
1817                                .collapse_to(map.clip_at_line_end(selection.end), selection.goal)
1818                        })
1819                    })
1820                });
1821            }
1822            Mode::Insert | Mode::Replace | Mode::HelixNormal => {}
1823        }
1824    }
1825
1826    fn local_selections_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1827        let Some(editor) = self.editor() else { return };
1828
1829        if editor.read(cx).leader_id().is_some() {
1830            return;
1831        }
1832
1833        let newest = editor.read(cx).selections.newest_anchor().clone();
1834        let is_multicursor = editor.read(cx).selections.count() > 1;
1835        if self.mode == Mode::Insert && self.current_tx.is_some() {
1836            if let Some(current_anchor) = &self.current_anchor {
1837                if current_anchor != &newest
1838                    && let Some(tx_id) = self.current_tx.take()
1839                {
1840                    self.update_editor(cx, |_, editor, cx| {
1841                        editor.group_until_transaction(tx_id, cx)
1842                    });
1843                }
1844            } else {
1845                self.current_anchor = Some(newest);
1846            }
1847        } else if self.mode == Mode::Normal && newest.start != newest.end {
1848            if matches!(newest.goal, SelectionGoal::HorizontalRange { .. }) {
1849                self.switch_mode(Mode::VisualBlock, false, window, cx);
1850            } else {
1851                self.switch_mode(Mode::Visual, false, window, cx)
1852            }
1853        } else if newest.start == newest.end
1854            && !is_multicursor
1855            && [Mode::Visual, Mode::VisualLine, Mode::VisualBlock].contains(&self.mode)
1856        {
1857            self.switch_mode(Mode::Normal, false, window, cx);
1858        }
1859    }
1860
1861    fn input_ignored(&mut self, text: Arc<str>, window: &mut Window, cx: &mut Context<Self>) {
1862        if text.is_empty() {
1863            return;
1864        }
1865
1866        match self.active_operator() {
1867            Some(Operator::FindForward { before, multiline }) => {
1868                let find = Motion::FindForward {
1869                    before,
1870                    char: text.chars().next().unwrap(),
1871                    mode: if multiline {
1872                        FindRange::MultiLine
1873                    } else {
1874                        FindRange::SingleLine
1875                    },
1876                    smartcase: VimSettings::get_global(cx).use_smartcase_find,
1877                };
1878                Vim::globals(cx).last_find = Some(find.clone());
1879                self.motion(find, window, cx)
1880            }
1881            Some(Operator::FindBackward { after, multiline }) => {
1882                let find = Motion::FindBackward {
1883                    after,
1884                    char: text.chars().next().unwrap(),
1885                    mode: if multiline {
1886                        FindRange::MultiLine
1887                    } else {
1888                        FindRange::SingleLine
1889                    },
1890                    smartcase: VimSettings::get_global(cx).use_smartcase_find,
1891                };
1892                Vim::globals(cx).last_find = Some(find.clone());
1893                self.motion(find, window, cx)
1894            }
1895            Some(Operator::Sneak { first_char }) => {
1896                if let Some(first_char) = first_char {
1897                    if let Some(second_char) = text.chars().next() {
1898                        let sneak = Motion::Sneak {
1899                            first_char,
1900                            second_char,
1901                            smartcase: VimSettings::get_global(cx).use_smartcase_find,
1902                        };
1903                        Vim::globals(cx).last_find = Some(sneak.clone());
1904                        self.motion(sneak, window, cx)
1905                    }
1906                } else {
1907                    let first_char = text.chars().next();
1908                    self.pop_operator(window, cx);
1909                    self.push_operator(Operator::Sneak { first_char }, window, cx);
1910                }
1911            }
1912            Some(Operator::SneakBackward { first_char }) => {
1913                if let Some(first_char) = first_char {
1914                    if let Some(second_char) = text.chars().next() {
1915                        let sneak = Motion::SneakBackward {
1916                            first_char,
1917                            second_char,
1918                            smartcase: VimSettings::get_global(cx).use_smartcase_find,
1919                        };
1920                        Vim::globals(cx).last_find = Some(sneak.clone());
1921                        self.motion(sneak, window, cx)
1922                    }
1923                } else {
1924                    let first_char = text.chars().next();
1925                    self.pop_operator(window, cx);
1926                    self.push_operator(Operator::SneakBackward { first_char }, window, cx);
1927                }
1928            }
1929            Some(Operator::Replace) => match self.mode {
1930                Mode::Normal => self.normal_replace(text, window, cx),
1931                Mode::Visual | Mode::VisualLine | Mode::VisualBlock => {
1932                    self.visual_replace(text, window, cx)
1933                }
1934                Mode::HelixNormal => self.helix_replace(&text, window, cx),
1935                _ => self.clear_operator(window, cx),
1936            },
1937            Some(Operator::Digraph { first_char }) => {
1938                if let Some(first_char) = first_char {
1939                    if let Some(second_char) = text.chars().next() {
1940                        self.insert_digraph(first_char, second_char, window, cx);
1941                    }
1942                } else {
1943                    let first_char = text.chars().next();
1944                    self.pop_operator(window, cx);
1945                    self.push_operator(Operator::Digraph { first_char }, window, cx);
1946                }
1947            }
1948            Some(Operator::Literal { prefix }) => {
1949                self.handle_literal_input(prefix.unwrap_or_default(), &text, window, cx)
1950            }
1951            Some(Operator::AddSurrounds { target }) => match self.mode {
1952                Mode::Normal => {
1953                    if let Some(target) = target {
1954                        self.add_surrounds(text, target, window, cx);
1955                        self.clear_operator(window, cx);
1956                    }
1957                }
1958                Mode::Visual | Mode::VisualLine | Mode::VisualBlock => {
1959                    self.add_surrounds(text, SurroundsType::Selection, window, cx);
1960                    self.clear_operator(window, cx);
1961                }
1962                _ => self.clear_operator(window, cx),
1963            },
1964            Some(Operator::ChangeSurrounds { target, opening }) => match self.mode {
1965                Mode::Normal => {
1966                    if let Some(target) = target {
1967                        self.change_surrounds(text, target, opening, window, cx);
1968                        self.clear_operator(window, cx);
1969                    }
1970                }
1971                _ => self.clear_operator(window, cx),
1972            },
1973            Some(Operator::DeleteSurrounds) => match self.mode {
1974                Mode::Normal => {
1975                    self.delete_surrounds(text, window, cx);
1976                    self.clear_operator(window, cx);
1977                }
1978                _ => self.clear_operator(window, cx),
1979            },
1980            Some(Operator::HelixSurroundAdd) => match self.mode {
1981                Mode::HelixNormal | Mode::HelixSelect => {
1982                    self.update_editor(cx, |_, editor, cx| {
1983                        editor.change_selections(Default::default(), window, cx, |s| {
1984                            s.move_with(&mut |map, selection| {
1985                                if selection.is_empty() {
1986                                    selection.end = movement::right(map, selection.start);
1987                                }
1988                            });
1989                        });
1990                    });
1991                    self.helix_surround_add(&text, window, cx);
1992                    self.switch_mode(Mode::HelixNormal, false, window, cx);
1993                    self.clear_operator(window, cx);
1994                }
1995                _ => self.clear_operator(window, cx),
1996            },
1997            Some(Operator::HelixSurroundReplace {
1998                replaced_char: Some(old),
1999            }) => match self.mode {
2000                Mode::HelixNormal | Mode::HelixSelect => {
2001                    if let Some(new_char) = text.chars().next() {
2002                        self.helix_surround_replace(old, new_char, window, cx);
2003                    }
2004                    self.clear_operator(window, cx);
2005                }
2006                _ => self.clear_operator(window, cx),
2007            },
2008            Some(Operator::HelixSurroundReplace {
2009                replaced_char: None,
2010            }) => match self.mode {
2011                Mode::HelixNormal | Mode::HelixSelect => {
2012                    if let Some(ch) = text.chars().next() {
2013                        self.pop_operator(window, cx);
2014                        self.push_operator(
2015                            Operator::HelixSurroundReplace {
2016                                replaced_char: Some(ch),
2017                            },
2018                            window,
2019                            cx,
2020                        );
2021                    }
2022                }
2023                _ => self.clear_operator(window, cx),
2024            },
2025            Some(Operator::HelixSurroundDelete) => match self.mode {
2026                Mode::HelixNormal | Mode::HelixSelect => {
2027                    if let Some(ch) = text.chars().next() {
2028                        self.helix_surround_delete(ch, window, cx);
2029                    }
2030                    self.clear_operator(window, cx);
2031                }
2032                _ => self.clear_operator(window, cx),
2033            },
2034            Some(Operator::Mark) => self.create_mark(text, window, cx),
2035            Some(Operator::RecordRegister) => {
2036                self.record_register(text.chars().next().unwrap(), window, cx)
2037            }
2038            Some(Operator::ReplayRegister) => {
2039                self.replay_register(text.chars().next().unwrap(), window, cx)
2040            }
2041            Some(Operator::Register) => match self.mode {
2042                Mode::Insert => {
2043                    self.update_editor(cx, |_, editor, cx| {
2044                        if let Some(register) = Vim::update_globals(cx, |globals, cx| {
2045                            globals.read_register(text.chars().next(), Some(editor), cx)
2046                        }) {
2047                            editor.do_paste(
2048                                &register.text.to_string(),
2049                                register.clipboard_selections,
2050                                false,
2051                                window,
2052                                cx,
2053                            )
2054                        }
2055                    });
2056                    self.clear_operator(window, cx);
2057                }
2058                _ => {
2059                    self.select_register(text, window, cx);
2060                }
2061            },
2062            Some(Operator::Jump { line }) => self.jump(text, line, true, window, cx),
2063            _ => {
2064                if self.mode == Mode::Replace {
2065                    self.multi_replace(text, window, cx)
2066                }
2067
2068                if self.mode == Mode::Normal {
2069                    self.update_editor(cx, |_, editor, cx| {
2070                        editor.accept_edit_prediction(
2071                            &editor::actions::AcceptEditPrediction {},
2072                            window,
2073                            cx,
2074                        );
2075                    });
2076                }
2077            }
2078        }
2079    }
2080
2081    fn sync_vim_settings(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2082        let state = self.state_for_editor_settings(cx);
2083        self.update_editor(cx, |_, editor, cx| {
2084            Vim::sync_vim_settings_to_editor(&state, editor, window, cx);
2085        });
2086        cx.notify()
2087    }
2088
2089    fn state_for_editor_settings(&self, cx: &App) -> VimEditorSettingsState {
2090        VimEditorSettingsState {
2091            cursor_shape: self.cursor_shape(cx),
2092            clip_at_line_ends: self.clip_at_line_ends(),
2093            collapse_matches: !HelixModeSetting::get_global(cx).0 && !self.search.cmd_f_search,
2094            input_enabled: self.editor_input_enabled(),
2095            expects_character_input: self.expects_character_input(),
2096            autoindent: self.should_autoindent(),
2097            cursor_offset_on_selection: self.mode.is_visual() || self.mode.is_helix(),
2098            line_mode: matches!(self.mode, Mode::VisualLine),
2099            hide_edit_predictions: !matches!(self.mode, Mode::Insert | Mode::Replace),
2100        }
2101    }
2102
2103    fn sync_vim_settings_to_editor(
2104        state: &VimEditorSettingsState,
2105        editor: &mut Editor,
2106        window: &mut Window,
2107        cx: &mut Context<Editor>,
2108    ) {
2109        editor.set_cursor_shape(state.cursor_shape, cx);
2110        editor.set_clip_at_line_ends(state.clip_at_line_ends, cx);
2111        editor.set_collapse_matches(state.collapse_matches);
2112        editor.set_input_enabled(state.input_enabled);
2113        editor.set_expects_character_input(state.expects_character_input);
2114        editor.set_autoindent(state.autoindent);
2115        editor.set_cursor_offset_on_selection(state.cursor_offset_on_selection);
2116        editor.selections.set_line_mode(state.line_mode);
2117        editor.set_edit_predictions_hidden_for_vim_mode(state.hide_edit_predictions, window, cx);
2118    }
2119
2120    fn set_status_label(&mut self, label: impl Into<SharedString>, cx: &mut Context<Editor>) {
2121        self.status_label = Some(label.into());
2122        cx.notify();
2123    }
2124}
2125
2126struct VimEditorSettingsState {
2127    cursor_shape: CursorShape,
2128    clip_at_line_ends: bool,
2129    collapse_matches: bool,
2130    input_enabled: bool,
2131    expects_character_input: bool,
2132    autoindent: bool,
2133    cursor_offset_on_selection: bool,
2134    line_mode: bool,
2135    hide_edit_predictions: bool,
2136}
2137
2138#[derive(Clone, RegisterSetting)]
2139struct VimSettings {
2140    pub default_mode: Mode,
2141    pub toggle_relative_line_numbers: bool,
2142    pub use_system_clipboard: settings::UseSystemClipboard,
2143    pub use_smartcase_find: bool,
2144    pub use_regex_search: bool,
2145    pub gdefault: bool,
2146    pub custom_digraphs: HashMap<String, Arc<str>>,
2147    pub highlight_on_yank_duration: u64,
2148    pub cursor_shape: CursorShapeSettings,
2149}
2150
2151/// Cursor shape configuration for insert mode.
2152#[derive(Copy, Clone, Debug, PartialEq, Eq)]
2153pub enum InsertModeCursorShape {
2154    /// Inherit cursor shape from the editor's base cursor_shape setting.
2155    /// This allows users to set their preferred editor cursor and have
2156    /// it automatically apply to vim insert mode.
2157    Inherit,
2158    /// Use an explicit cursor shape for insert mode.
2159    Explicit(CursorShape),
2160}
2161
2162/// The settings for cursor shape.
2163#[derive(Copy, Clone, Debug, PartialEq, Eq)]
2164pub struct CursorShapeSettings {
2165    /// Cursor shape for the normal mode.
2166    ///
2167    /// Default: block
2168    pub normal: CursorShape,
2169    /// Cursor shape for the replace mode.
2170    ///
2171    /// Default: underline
2172    pub replace: CursorShape,
2173    /// Cursor shape for the visual mode.
2174    ///
2175    /// Default: block
2176    pub visual: CursorShape,
2177    /// Cursor shape for the insert mode.
2178    ///
2179    /// Default: Inherit (follows editor.cursor_shape)
2180    pub insert: InsertModeCursorShape,
2181}
2182
2183impl From<settings::VimInsertModeCursorShape> for InsertModeCursorShape {
2184    fn from(shape: settings::VimInsertModeCursorShape) -> Self {
2185        match shape {
2186            settings::VimInsertModeCursorShape::Inherit => InsertModeCursorShape::Inherit,
2187            settings::VimInsertModeCursorShape::Bar => {
2188                InsertModeCursorShape::Explicit(CursorShape::Bar)
2189            }
2190            settings::VimInsertModeCursorShape::Block => {
2191                InsertModeCursorShape::Explicit(CursorShape::Block)
2192            }
2193            settings::VimInsertModeCursorShape::Underline => {
2194                InsertModeCursorShape::Explicit(CursorShape::Underline)
2195            }
2196            settings::VimInsertModeCursorShape::Hollow => {
2197                InsertModeCursorShape::Explicit(CursorShape::Hollow)
2198            }
2199        }
2200    }
2201}
2202
2203impl From<settings::CursorShapeSettings> for CursorShapeSettings {
2204    fn from(settings: settings::CursorShapeSettings) -> Self {
2205        Self {
2206            normal: settings.normal.unwrap().into(),
2207            replace: settings.replace.unwrap().into(),
2208            visual: settings.visual.unwrap().into(),
2209            insert: settings.insert.unwrap().into(),
2210        }
2211    }
2212}
2213
2214impl From<settings::ModeContent> for Mode {
2215    fn from(mode: ModeContent) -> Self {
2216        match mode {
2217            ModeContent::Normal => Self::Normal,
2218            ModeContent::Insert => Self::Insert,
2219        }
2220    }
2221}
2222
2223impl Settings for VimSettings {
2224    fn from_settings(content: &settings::SettingsContent) -> Self {
2225        let vim = content.vim.clone().unwrap();
2226        Self {
2227            default_mode: vim.default_mode.unwrap().into(),
2228            toggle_relative_line_numbers: vim.toggle_relative_line_numbers.unwrap(),
2229            use_system_clipboard: vim.use_system_clipboard.unwrap(),
2230            use_smartcase_find: vim.use_smartcase_find.unwrap(),
2231            use_regex_search: vim.use_regex_search.unwrap(),
2232            gdefault: vim.gdefault.unwrap(),
2233            custom_digraphs: vim.custom_digraphs.unwrap(),
2234            highlight_on_yank_duration: vim.highlight_on_yank_duration.unwrap(),
2235            cursor_shape: vim.cursor_shape.unwrap().into(),
2236        }
2237    }
2238}