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