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