terminal_view.rs

   1mod persistence;
   2pub mod terminal_element;
   3pub mod terminal_panel;
   4pub mod terminal_scrollbar;
   5pub mod terminal_tab_tooltip;
   6
   7use editor::{actions::SelectAll, scroll::ScrollbarAutoHide, Editor, EditorSettings};
   8use gpui::{
   9    anchored, deferred, div, impl_actions, AnyElement, App, DismissEvent, Entity, EventEmitter,
  10    FocusHandle, Focusable, KeyContext, KeyDownEvent, Keystroke, MouseButton, MouseDownEvent,
  11    Pixels, Render, ScrollWheelEvent, Stateful, Styled, Subscription, Task, WeakEntity,
  12};
  13use itertools::Itertools;
  14use persistence::TERMINAL_DB;
  15use project::{search::SearchQuery, terminals::TerminalKind, Entry, Metadata, Project};
  16use schemars::JsonSchema;
  17use terminal::{
  18    alacritty_terminal::{
  19        index::Point,
  20        term::{search::RegexSearch, TermMode},
  21    },
  22    terminal_settings::{self, CursorShape, TerminalBlink, TerminalSettings, WorkingDirectory},
  23    Clear, Copy, Event, MaybeNavigationTarget, Paste, ScrollLineDown, ScrollLineUp, ScrollPageDown,
  24    ScrollPageUp, ScrollToBottom, ScrollToTop, ShowCharacterPalette, TaskState, TaskStatus,
  25    Terminal, TerminalBounds, ToggleViMode,
  26};
  27use terminal_element::{is_blank, TerminalElement};
  28use terminal_panel::TerminalPanel;
  29use terminal_scrollbar::TerminalScrollHandle;
  30use terminal_tab_tooltip::TerminalTooltip;
  31use ui::{
  32    h_flex, prelude::*, ContextMenu, Icon, IconName, Label, Scrollbar, ScrollbarState, Tooltip,
  33};
  34use util::{debug_panic, paths::PathWithPosition, ResultExt};
  35use workspace::{
  36    item::{
  37        BreadcrumbText, Item, ItemEvent, SerializableItem, TabContentParams, TabTooltipContent,
  38    },
  39    register_serializable_item,
  40    searchable::{Direction, SearchEvent, SearchOptions, SearchableItem, SearchableItemHandle},
  41    CloseActiveItem, NewCenterTerminal, NewTerminal, OpenVisible, ToolbarItemLocation, Workspace,
  42    WorkspaceId,
  43};
  44
  45use anyhow::Context as _;
  46use serde::Deserialize;
  47use settings::{Settings, SettingsStore};
  48use smol::Timer;
  49use zed_actions::assistant::InlineAssist;
  50
  51use std::{
  52    cmp,
  53    ops::RangeInclusive,
  54    path::{Path, PathBuf},
  55    rc::Rc,
  56    sync::Arc,
  57    time::Duration,
  58};
  59
  60const REGEX_SPECIAL_CHARS: &[char] = &[
  61    '\\', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '^', '$',
  62];
  63
  64const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
  65
  66const GIT_DIFF_PATH_PREFIXES: &[&str] = &["a", "b"];
  67
  68/// Event to transmit the scroll from the element to the view
  69#[derive(Clone, Debug, PartialEq)]
  70pub struct ScrollTerminal(pub i32);
  71
  72#[derive(Clone, Debug, Default, Deserialize, JsonSchema, PartialEq)]
  73pub struct SendText(String);
  74
  75#[derive(Clone, Debug, Default, Deserialize, JsonSchema, PartialEq)]
  76pub struct SendKeystroke(String);
  77
  78impl_actions!(terminal, [SendText, SendKeystroke]);
  79
  80pub fn init(cx: &mut App) {
  81    terminal_panel::init(cx);
  82    terminal::init(cx);
  83
  84    register_serializable_item::<TerminalView>(cx);
  85
  86    cx.observe_new(|workspace: &mut Workspace, _window, _cx| {
  87        workspace.register_action(TerminalView::deploy);
  88    })
  89    .detach();
  90}
  91
  92pub struct BlockProperties {
  93    pub height: u8,
  94    pub render: Box<dyn Send + Fn(&mut BlockContext) -> AnyElement>,
  95}
  96
  97pub struct BlockContext<'a, 'b> {
  98    pub window: &'a mut Window,
  99    pub context: &'b mut App,
 100    pub dimensions: TerminalBounds,
 101}
 102
 103///A terminal view, maintains the PTY's file handles and communicates with the terminal
 104pub struct TerminalView {
 105    terminal: Entity<Terminal>,
 106    workspace: WeakEntity<Workspace>,
 107    project: WeakEntity<Project>,
 108    focus_handle: FocusHandle,
 109    //Currently using iTerm bell, show bell emoji in tab until input is received
 110    has_bell: bool,
 111    context_menu: Option<(Entity<ContextMenu>, gpui::Point<Pixels>, Subscription)>,
 112    cursor_shape: CursorShape,
 113    blink_state: bool,
 114    blinking_terminal_enabled: bool,
 115    blinking_paused: bool,
 116    blink_epoch: usize,
 117    can_navigate_to_selected_word: bool,
 118    workspace_id: Option<WorkspaceId>,
 119    show_breadcrumbs: bool,
 120    block_below_cursor: Option<Rc<BlockProperties>>,
 121    scroll_top: Pixels,
 122    scrollbar_state: ScrollbarState,
 123    scroll_handle: TerminalScrollHandle,
 124    show_scrollbar: bool,
 125    hide_scrollbar_task: Option<Task<()>>,
 126    _subscriptions: Vec<Subscription>,
 127    _terminal_subscriptions: Vec<Subscription>,
 128}
 129
 130impl EventEmitter<Event> for TerminalView {}
 131impl EventEmitter<ItemEvent> for TerminalView {}
 132impl EventEmitter<SearchEvent> for TerminalView {}
 133
 134impl Focusable for TerminalView {
 135    fn focus_handle(&self, _cx: &App) -> FocusHandle {
 136        self.focus_handle.clone()
 137    }
 138}
 139
 140impl TerminalView {
 141    ///Create a new Terminal in the current working directory or the user's home directory
 142    pub fn deploy(
 143        workspace: &mut Workspace,
 144        _: &NewCenterTerminal,
 145        window: &mut Window,
 146        cx: &mut Context<Workspace>,
 147    ) {
 148        let working_directory = default_working_directory(workspace, cx);
 149        TerminalPanel::add_center_terminal(
 150            workspace,
 151            TerminalKind::Shell(working_directory),
 152            window,
 153            cx,
 154        )
 155        .detach_and_log_err(cx);
 156    }
 157
 158    pub fn new(
 159        terminal: Entity<Terminal>,
 160        workspace: WeakEntity<Workspace>,
 161        workspace_id: Option<WorkspaceId>,
 162        project: WeakEntity<Project>,
 163        window: &mut Window,
 164        cx: &mut Context<Self>,
 165    ) -> Self {
 166        let workspace_handle = workspace.clone();
 167        let terminal_subscriptions =
 168            subscribe_for_terminal_events(&terminal, workspace, window, cx);
 169
 170        let focus_handle = cx.focus_handle();
 171        let focus_in = cx.on_focus_in(&focus_handle, window, |terminal_view, window, cx| {
 172            terminal_view.focus_in(window, cx);
 173        });
 174        let focus_out = cx.on_focus_out(
 175            &focus_handle,
 176            window,
 177            |terminal_view, _event, window, cx| {
 178                terminal_view.focus_out(window, cx);
 179            },
 180        );
 181        let cursor_shape = TerminalSettings::get_global(cx)
 182            .cursor_shape
 183            .unwrap_or_default();
 184
 185        let scroll_handle = TerminalScrollHandle::new(terminal.read(cx));
 186
 187        Self {
 188            terminal,
 189            workspace: workspace_handle,
 190            project,
 191            has_bell: false,
 192            focus_handle,
 193            context_menu: None,
 194            cursor_shape,
 195            blink_state: true,
 196            blinking_terminal_enabled: false,
 197            blinking_paused: false,
 198            blink_epoch: 0,
 199            can_navigate_to_selected_word: false,
 200            workspace_id,
 201            show_breadcrumbs: TerminalSettings::get_global(cx).toolbar.breadcrumbs,
 202            block_below_cursor: None,
 203            scroll_top: Pixels::ZERO,
 204            scrollbar_state: ScrollbarState::new(scroll_handle.clone()),
 205            scroll_handle,
 206            show_scrollbar: !Self::should_autohide_scrollbar(cx),
 207            hide_scrollbar_task: None,
 208            _subscriptions: vec![
 209                focus_in,
 210                focus_out,
 211                cx.observe_global::<SettingsStore>(Self::settings_changed),
 212            ],
 213            _terminal_subscriptions: terminal_subscriptions,
 214        }
 215    }
 216
 217    pub fn entity(&self) -> &Entity<Terminal> {
 218        &self.terminal
 219    }
 220
 221    pub fn has_bell(&self) -> bool {
 222        self.has_bell
 223    }
 224
 225    pub fn clear_bell(&mut self, cx: &mut Context<TerminalView>) {
 226        self.has_bell = false;
 227        cx.emit(Event::Wakeup);
 228    }
 229
 230    pub fn deploy_context_menu(
 231        &mut self,
 232        position: gpui::Point<Pixels>,
 233        window: &mut Window,
 234        cx: &mut Context<Self>,
 235    ) {
 236        let assistant_enabled = self
 237            .workspace
 238            .upgrade()
 239            .and_then(|workspace| workspace.read(cx).panel::<TerminalPanel>(cx))
 240            .map_or(false, |terminal_panel| {
 241                terminal_panel.read(cx).assistant_enabled()
 242            });
 243        let context_menu = ContextMenu::build(window, cx, |menu, _, _| {
 244            menu.context(self.focus_handle.clone())
 245                .action("New Terminal", Box::new(NewTerminal))
 246                .separator()
 247                .action("Copy", Box::new(Copy))
 248                .action("Paste", Box::new(Paste))
 249                .action("Select All", Box::new(SelectAll))
 250                .action("Clear", Box::new(Clear))
 251                .when(assistant_enabled, |menu| {
 252                    menu.separator()
 253                        .action("Inline Assist", Box::new(InlineAssist::default()))
 254                })
 255                .separator()
 256                .action(
 257                    "Close Terminal Tab",
 258                    Box::new(CloseActiveItem {
 259                        save_intent: None,
 260                        close_pinned: true,
 261                    }),
 262                )
 263        });
 264
 265        window.focus(&context_menu.focus_handle(cx));
 266        let subscription = cx.subscribe_in(
 267            &context_menu,
 268            window,
 269            |this, _, _: &DismissEvent, window, cx| {
 270                if this.context_menu.as_ref().is_some_and(|context_menu| {
 271                    context_menu.0.focus_handle(cx).contains_focused(window, cx)
 272                }) {
 273                    cx.focus_self(window);
 274                }
 275                this.context_menu.take();
 276                cx.notify();
 277            },
 278        );
 279
 280        self.context_menu = Some((context_menu, position, subscription));
 281    }
 282
 283    fn settings_changed(&mut self, cx: &mut Context<Self>) {
 284        let settings = TerminalSettings::get_global(cx);
 285        self.show_breadcrumbs = settings.toolbar.breadcrumbs;
 286
 287        let new_cursor_shape = settings.cursor_shape.unwrap_or_default();
 288        let old_cursor_shape = self.cursor_shape;
 289        if old_cursor_shape != new_cursor_shape {
 290            self.cursor_shape = new_cursor_shape;
 291            self.terminal.update(cx, |term, _| {
 292                term.set_cursor_shape(self.cursor_shape);
 293            });
 294        }
 295
 296        cx.notify();
 297    }
 298
 299    fn show_character_palette(
 300        &mut self,
 301        _: &ShowCharacterPalette,
 302        window: &mut Window,
 303        cx: &mut Context<Self>,
 304    ) {
 305        if self
 306            .terminal
 307            .read(cx)
 308            .last_content
 309            .mode
 310            .contains(TermMode::ALT_SCREEN)
 311        {
 312            self.terminal.update(cx, |term, cx| {
 313                term.try_keystroke(
 314                    &Keystroke::parse("ctrl-cmd-space").unwrap(),
 315                    TerminalSettings::get_global(cx).option_as_meta,
 316                )
 317            });
 318        } else {
 319            window.show_character_palette();
 320        }
 321    }
 322
 323    fn select_all(&mut self, _: &SelectAll, _: &mut Window, cx: &mut Context<Self>) {
 324        self.terminal.update(cx, |term, _| term.select_all());
 325        cx.notify();
 326    }
 327
 328    fn clear(&mut self, _: &Clear, _: &mut Window, cx: &mut Context<Self>) {
 329        self.scroll_top = px(0.);
 330        self.terminal.update(cx, |term, _| term.clear());
 331        cx.notify();
 332    }
 333
 334    fn max_scroll_top(&self, cx: &App) -> Pixels {
 335        let terminal = self.terminal.read(cx);
 336
 337        let Some(block) = self.block_below_cursor.as_ref() else {
 338            return Pixels::ZERO;
 339        };
 340
 341        let line_height = terminal.last_content().terminal_bounds.line_height;
 342        let mut terminal_lines = terminal.total_lines();
 343        let viewport_lines = terminal.viewport_lines();
 344        if terminal.total_lines() == terminal.viewport_lines() {
 345            let mut last_line = None;
 346            for cell in terminal.last_content.cells.iter().rev() {
 347                if !is_blank(cell) {
 348                    break;
 349                }
 350
 351                let last_line = last_line.get_or_insert(cell.point.line);
 352                if *last_line != cell.point.line {
 353                    terminal_lines -= 1;
 354                }
 355                *last_line = cell.point.line;
 356            }
 357        }
 358
 359        let max_scroll_top_in_lines =
 360            (block.height as usize).saturating_sub(viewport_lines.saturating_sub(terminal_lines));
 361
 362        max_scroll_top_in_lines as f32 * line_height
 363    }
 364
 365    fn scroll_wheel(&mut self, event: &ScrollWheelEvent, cx: &mut Context<Self>) {
 366        let terminal_content = self.terminal.read(cx).last_content();
 367
 368        if self.block_below_cursor.is_some() && terminal_content.display_offset == 0 {
 369            let line_height = terminal_content.terminal_bounds.line_height;
 370            let y_delta = event.delta.pixel_delta(line_height).y;
 371            if y_delta < Pixels::ZERO || self.scroll_top > Pixels::ZERO {
 372                self.scroll_top = cmp::max(
 373                    Pixels::ZERO,
 374                    cmp::min(self.scroll_top - y_delta, self.max_scroll_top(cx)),
 375                );
 376                cx.notify();
 377                return;
 378            }
 379        }
 380
 381        self.terminal.update(cx, |term, _| term.scroll_wheel(event));
 382    }
 383
 384    fn scroll_line_up(&mut self, _: &ScrollLineUp, _: &mut Window, cx: &mut Context<Self>) {
 385        let terminal_content = self.terminal.read(cx).last_content();
 386        if self.block_below_cursor.is_some()
 387            && terminal_content.display_offset == 0
 388            && self.scroll_top > Pixels::ZERO
 389        {
 390            let line_height = terminal_content.terminal_bounds.line_height;
 391            self.scroll_top = cmp::max(self.scroll_top - line_height, Pixels::ZERO);
 392            return;
 393        }
 394
 395        self.terminal.update(cx, |term, _| term.scroll_line_up());
 396        cx.notify();
 397    }
 398
 399    fn scroll_line_down(&mut self, _: &ScrollLineDown, _: &mut Window, cx: &mut Context<Self>) {
 400        let terminal_content = self.terminal.read(cx).last_content();
 401        if self.block_below_cursor.is_some() && terminal_content.display_offset == 0 {
 402            let max_scroll_top = self.max_scroll_top(cx);
 403            if self.scroll_top < max_scroll_top {
 404                let line_height = terminal_content.terminal_bounds.line_height;
 405                self.scroll_top = cmp::min(self.scroll_top + line_height, max_scroll_top);
 406            }
 407            return;
 408        }
 409
 410        self.terminal.update(cx, |term, _| term.scroll_line_down());
 411        cx.notify();
 412    }
 413
 414    fn scroll_page_up(&mut self, _: &ScrollPageUp, _: &mut Window, cx: &mut Context<Self>) {
 415        if self.scroll_top == Pixels::ZERO {
 416            self.terminal.update(cx, |term, _| term.scroll_page_up());
 417        } else {
 418            let line_height = self
 419                .terminal
 420                .read(cx)
 421                .last_content
 422                .terminal_bounds
 423                .line_height();
 424            let visible_block_lines = (self.scroll_top / line_height) as usize;
 425            let viewport_lines = self.terminal.read(cx).viewport_lines();
 426            let visible_content_lines = viewport_lines - visible_block_lines;
 427
 428            if visible_block_lines >= viewport_lines {
 429                self.scroll_top = ((visible_block_lines - viewport_lines) as f32) * line_height;
 430            } else {
 431                self.scroll_top = px(0.);
 432                self.terminal
 433                    .update(cx, |term, _| term.scroll_up_by(visible_content_lines));
 434            }
 435        }
 436        cx.notify();
 437    }
 438
 439    fn scroll_page_down(&mut self, _: &ScrollPageDown, _: &mut Window, cx: &mut Context<Self>) {
 440        self.terminal.update(cx, |term, _| term.scroll_page_down());
 441        let terminal = self.terminal.read(cx);
 442        if terminal.last_content().display_offset < terminal.viewport_lines() {
 443            self.scroll_top = self.max_scroll_top(cx);
 444        }
 445        cx.notify();
 446    }
 447
 448    fn scroll_to_top(&mut self, _: &ScrollToTop, _: &mut Window, cx: &mut Context<Self>) {
 449        self.terminal.update(cx, |term, _| term.scroll_to_top());
 450        cx.notify();
 451    }
 452
 453    fn scroll_to_bottom(&mut self, _: &ScrollToBottom, _: &mut Window, cx: &mut Context<Self>) {
 454        self.terminal.update(cx, |term, _| term.scroll_to_bottom());
 455        if self.block_below_cursor.is_some() {
 456            self.scroll_top = self.max_scroll_top(cx);
 457        }
 458        cx.notify();
 459    }
 460
 461    fn toggle_vi_mode(&mut self, _: &ToggleViMode, _: &mut Window, cx: &mut Context<Self>) {
 462        self.terminal.update(cx, |term, _| term.toggle_vi_mode());
 463        cx.notify();
 464    }
 465
 466    pub fn should_show_cursor(&self, focused: bool, cx: &mut Context<Self>) -> bool {
 467        //Don't blink the cursor when not focused, blinking is disabled, or paused
 468        if !focused
 469            || self.blinking_paused
 470            || self
 471                .terminal
 472                .read(cx)
 473                .last_content
 474                .mode
 475                .contains(TermMode::ALT_SCREEN)
 476        {
 477            return true;
 478        }
 479
 480        match TerminalSettings::get_global(cx).blinking {
 481            //If the user requested to never blink, don't blink it.
 482            TerminalBlink::Off => true,
 483            //If the terminal is controlling it, check terminal mode
 484            TerminalBlink::TerminalControlled => {
 485                !self.blinking_terminal_enabled || self.blink_state
 486            }
 487            TerminalBlink::On => self.blink_state,
 488        }
 489    }
 490
 491    fn blink_cursors(&mut self, epoch: usize, window: &mut Window, cx: &mut Context<Self>) {
 492        if epoch == self.blink_epoch && !self.blinking_paused {
 493            self.blink_state = !self.blink_state;
 494            cx.notify();
 495
 496            let epoch = self.next_blink_epoch();
 497            cx.spawn_in(window, |this, mut cx| async move {
 498                Timer::after(CURSOR_BLINK_INTERVAL).await;
 499                this.update_in(&mut cx, |this, window, cx| {
 500                    this.blink_cursors(epoch, window, cx)
 501                })
 502                .ok();
 503            })
 504            .detach();
 505        }
 506    }
 507
 508    pub fn pause_cursor_blinking(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 509        self.blink_state = true;
 510        cx.notify();
 511
 512        let epoch = self.next_blink_epoch();
 513        cx.spawn_in(window, |this, mut cx| async move {
 514            Timer::after(CURSOR_BLINK_INTERVAL).await;
 515            this.update_in(&mut cx, |this, window, cx| {
 516                this.resume_cursor_blinking(epoch, window, cx)
 517            })
 518            .ok();
 519        })
 520        .detach();
 521    }
 522
 523    pub fn terminal(&self) -> &Entity<Terminal> {
 524        &self.terminal
 525    }
 526
 527    pub fn set_block_below_cursor(
 528        &mut self,
 529        block: BlockProperties,
 530        window: &mut Window,
 531        cx: &mut Context<Self>,
 532    ) {
 533        self.block_below_cursor = Some(Rc::new(block));
 534        self.scroll_to_bottom(&ScrollToBottom, window, cx);
 535        cx.notify();
 536    }
 537
 538    pub fn clear_block_below_cursor(&mut self, cx: &mut Context<Self>) {
 539        self.block_below_cursor = None;
 540        self.scroll_top = Pixels::ZERO;
 541        cx.notify();
 542    }
 543
 544    fn next_blink_epoch(&mut self) -> usize {
 545        self.blink_epoch += 1;
 546        self.blink_epoch
 547    }
 548
 549    fn resume_cursor_blinking(
 550        &mut self,
 551        epoch: usize,
 552        window: &mut Window,
 553        cx: &mut Context<Self>,
 554    ) {
 555        if epoch == self.blink_epoch {
 556            self.blinking_paused = false;
 557            self.blink_cursors(epoch, window, cx);
 558        }
 559    }
 560
 561    ///Attempt to paste the clipboard into the terminal
 562    fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
 563        self.terminal.update(cx, |term, _| term.copy());
 564        cx.notify();
 565    }
 566
 567    ///Attempt to paste the clipboard into the terminal
 568    fn paste(&mut self, _: &Paste, _: &mut Window, cx: &mut Context<Self>) {
 569        if let Some(clipboard_string) = cx.read_from_clipboard().and_then(|item| item.text()) {
 570            self.terminal
 571                .update(cx, |terminal, _cx| terminal.paste(&clipboard_string));
 572        }
 573    }
 574
 575    fn send_text(&mut self, text: &SendText, _: &mut Window, cx: &mut Context<Self>) {
 576        self.clear_bell(cx);
 577        self.terminal.update(cx, |term, _| {
 578            term.input(text.0.to_string());
 579        });
 580    }
 581
 582    fn send_keystroke(&mut self, text: &SendKeystroke, _: &mut Window, cx: &mut Context<Self>) {
 583        if let Some(keystroke) = Keystroke::parse(&text.0).log_err() {
 584            self.clear_bell(cx);
 585            self.terminal.update(cx, |term, cx| {
 586                term.try_keystroke(&keystroke, TerminalSettings::get_global(cx).option_as_meta);
 587            });
 588        }
 589    }
 590
 591    fn dispatch_context(&self, cx: &App) -> KeyContext {
 592        let mut dispatch_context = KeyContext::new_with_defaults();
 593        dispatch_context.add("Terminal");
 594
 595        let mode = self.terminal.read(cx).last_content.mode;
 596        dispatch_context.set(
 597            "screen",
 598            if mode.contains(TermMode::ALT_SCREEN) {
 599                "alt"
 600            } else {
 601                "normal"
 602            },
 603        );
 604
 605        if mode.contains(TermMode::APP_CURSOR) {
 606            dispatch_context.add("DECCKM");
 607        }
 608        if mode.contains(TermMode::APP_KEYPAD) {
 609            dispatch_context.add("DECPAM");
 610        } else {
 611            dispatch_context.add("DECPNM");
 612        }
 613        if mode.contains(TermMode::SHOW_CURSOR) {
 614            dispatch_context.add("DECTCEM");
 615        }
 616        if mode.contains(TermMode::LINE_WRAP) {
 617            dispatch_context.add("DECAWM");
 618        }
 619        if mode.contains(TermMode::ORIGIN) {
 620            dispatch_context.add("DECOM");
 621        }
 622        if mode.contains(TermMode::INSERT) {
 623            dispatch_context.add("IRM");
 624        }
 625        //LNM is apparently the name for this. https://vt100.net/docs/vt510-rm/LNM.html
 626        if mode.contains(TermMode::LINE_FEED_NEW_LINE) {
 627            dispatch_context.add("LNM");
 628        }
 629        if mode.contains(TermMode::FOCUS_IN_OUT) {
 630            dispatch_context.add("report_focus");
 631        }
 632        if mode.contains(TermMode::ALTERNATE_SCROLL) {
 633            dispatch_context.add("alternate_scroll");
 634        }
 635        if mode.contains(TermMode::BRACKETED_PASTE) {
 636            dispatch_context.add("bracketed_paste");
 637        }
 638        if mode.intersects(TermMode::MOUSE_MODE) {
 639            dispatch_context.add("any_mouse_reporting");
 640        }
 641        {
 642            let mouse_reporting = if mode.contains(TermMode::MOUSE_REPORT_CLICK) {
 643                "click"
 644            } else if mode.contains(TermMode::MOUSE_DRAG) {
 645                "drag"
 646            } else if mode.contains(TermMode::MOUSE_MOTION) {
 647                "motion"
 648            } else {
 649                "off"
 650            };
 651            dispatch_context.set("mouse_reporting", mouse_reporting);
 652        }
 653        {
 654            let format = if mode.contains(TermMode::SGR_MOUSE) {
 655                "sgr"
 656            } else if mode.contains(TermMode::UTF8_MOUSE) {
 657                "utf8"
 658            } else {
 659                "normal"
 660            };
 661            dispatch_context.set("mouse_format", format);
 662        };
 663        dispatch_context
 664    }
 665
 666    fn set_terminal(
 667        &mut self,
 668        terminal: Entity<Terminal>,
 669        window: &mut Window,
 670        cx: &mut Context<TerminalView>,
 671    ) {
 672        self._terminal_subscriptions =
 673            subscribe_for_terminal_events(&terminal, self.workspace.clone(), window, cx);
 674        self.terminal = terminal;
 675    }
 676
 677    // Hack: Using editor in terminal causes cyclic dependency i.e. editor -> terminal -> project -> editor.
 678    fn map_show_scrollbar_from_editor_to_terminal(
 679        show_scrollbar: editor::ShowScrollbar,
 680    ) -> terminal_settings::ShowScrollbar {
 681        match show_scrollbar {
 682            editor::ShowScrollbar::Auto => terminal_settings::ShowScrollbar::Auto,
 683            editor::ShowScrollbar::System => terminal_settings::ShowScrollbar::System,
 684            editor::ShowScrollbar::Always => terminal_settings::ShowScrollbar::Always,
 685            editor::ShowScrollbar::Never => terminal_settings::ShowScrollbar::Never,
 686        }
 687    }
 688
 689    fn should_show_scrollbar(cx: &App) -> bool {
 690        let show = TerminalSettings::get_global(cx)
 691            .scrollbar
 692            .show
 693            .unwrap_or_else(|| {
 694                Self::map_show_scrollbar_from_editor_to_terminal(
 695                    EditorSettings::get_global(cx).scrollbar.show,
 696                )
 697            });
 698        match show {
 699            terminal_settings::ShowScrollbar::Auto => true,
 700            terminal_settings::ShowScrollbar::System => true,
 701            terminal_settings::ShowScrollbar::Always => true,
 702            terminal_settings::ShowScrollbar::Never => false,
 703        }
 704    }
 705
 706    fn should_autohide_scrollbar(cx: &App) -> bool {
 707        let show = TerminalSettings::get_global(cx)
 708            .scrollbar
 709            .show
 710            .unwrap_or_else(|| {
 711                Self::map_show_scrollbar_from_editor_to_terminal(
 712                    EditorSettings::get_global(cx).scrollbar.show,
 713                )
 714            });
 715        match show {
 716            terminal_settings::ShowScrollbar::Auto => true,
 717            terminal_settings::ShowScrollbar::System => cx
 718                .try_global::<ScrollbarAutoHide>()
 719                .map_or_else(|| cx.should_auto_hide_scrollbars(), |autohide| autohide.0),
 720            terminal_settings::ShowScrollbar::Always => false,
 721            terminal_settings::ShowScrollbar::Never => true,
 722        }
 723    }
 724
 725    fn hide_scrollbar(&mut self, cx: &mut Context<Self>) {
 726        const SCROLLBAR_SHOW_INTERVAL: Duration = Duration::from_secs(1);
 727        if !Self::should_autohide_scrollbar(cx) {
 728            return;
 729        }
 730        self.hide_scrollbar_task = Some(cx.spawn(|panel, mut cx| async move {
 731            cx.background_executor()
 732                .timer(SCROLLBAR_SHOW_INTERVAL)
 733                .await;
 734            panel
 735                .update(&mut cx, |panel, cx| {
 736                    panel.show_scrollbar = false;
 737                    cx.notify();
 738                })
 739                .log_err();
 740        }))
 741    }
 742
 743    fn render_scrollbar(&self, cx: &mut Context<Self>) -> Option<Stateful<Div>> {
 744        if !Self::should_show_scrollbar(cx)
 745            || !(self.show_scrollbar || self.scrollbar_state.is_dragging())
 746        {
 747            return None;
 748        }
 749
 750        if self.terminal.read(cx).total_lines() == self.terminal.read(cx).viewport_lines() {
 751            return None;
 752        }
 753
 754        self.scroll_handle.update(self.terminal.read(cx));
 755
 756        if let Some(new_display_offset) = self.scroll_handle.future_display_offset.take() {
 757            self.terminal.update(cx, |term, _| {
 758                let delta = new_display_offset as i32 - term.last_content.display_offset as i32;
 759                match delta.cmp(&0) {
 760                    std::cmp::Ordering::Greater => term.scroll_up_by(delta as usize),
 761                    std::cmp::Ordering::Less => term.scroll_down_by(-delta as usize),
 762                    std::cmp::Ordering::Equal => {}
 763                }
 764            });
 765        }
 766
 767        Some(
 768            div()
 769                .occlude()
 770                .id("terminal-view-scroll")
 771                .on_mouse_move(cx.listener(|_, _, _window, cx| {
 772                    cx.notify();
 773                    cx.stop_propagation()
 774                }))
 775                .on_hover(|_, _window, cx| {
 776                    cx.stop_propagation();
 777                })
 778                .on_any_mouse_down(|_, _window, cx| {
 779                    cx.stop_propagation();
 780                })
 781                .on_mouse_up(
 782                    MouseButton::Left,
 783                    cx.listener(|terminal_view, _, window, cx| {
 784                        if !terminal_view.scrollbar_state.is_dragging()
 785                            && !terminal_view.focus_handle.contains_focused(window, cx)
 786                        {
 787                            terminal_view.hide_scrollbar(cx);
 788                            cx.notify();
 789                        }
 790                        cx.stop_propagation();
 791                    }),
 792                )
 793                .on_scroll_wheel(cx.listener(|_, _, _window, cx| {
 794                    cx.notify();
 795                }))
 796                .h_full()
 797                .absolute()
 798                .right_1()
 799                .top_1()
 800                .bottom_0()
 801                .w(px(12.))
 802                .cursor_default()
 803                .children(Scrollbar::vertical(self.scrollbar_state.clone())),
 804        )
 805    }
 806
 807    fn rerun_button(task: &TaskState) -> Option<IconButton> {
 808        if !task.show_rerun {
 809            return None;
 810        }
 811
 812        let task_id = task.id.clone();
 813        Some(
 814            IconButton::new("rerun-icon", IconName::Rerun)
 815                .icon_size(IconSize::Small)
 816                .size(ButtonSize::Compact)
 817                .icon_color(Color::Default)
 818                .shape(ui::IconButtonShape::Square)
 819                .tooltip(Tooltip::text("Rerun task"))
 820                .on_click(move |_, window, cx| {
 821                    window.dispatch_action(
 822                        Box::new(zed_actions::Rerun {
 823                            task_id: Some(task_id.0.clone()),
 824                            allow_concurrent_runs: Some(true),
 825                            use_new_terminal: Some(false),
 826                            reevaluate_context: false,
 827                        }),
 828                        cx,
 829                    );
 830                }),
 831        )
 832    }
 833}
 834
 835fn subscribe_for_terminal_events(
 836    terminal: &Entity<Terminal>,
 837    workspace: WeakEntity<Workspace>,
 838    window: &mut Window,
 839    cx: &mut Context<TerminalView>,
 840) -> Vec<Subscription> {
 841    let terminal_subscription = cx.observe(terminal, |_, _, cx| cx.notify());
 842    let terminal_events_subscription = cx.subscribe_in(
 843        terminal,
 844        window,
 845        move |this, _, event, window, cx| match event {
 846            Event::Wakeup => {
 847                cx.notify();
 848                cx.emit(Event::Wakeup);
 849                cx.emit(ItemEvent::UpdateTab);
 850                cx.emit(SearchEvent::MatchesInvalidated);
 851            }
 852
 853            Event::Bell => {
 854                this.has_bell = true;
 855                cx.emit(Event::Wakeup);
 856            }
 857
 858            Event::BlinkChanged(blinking) => {
 859                if matches!(
 860                    TerminalSettings::get_global(cx).blinking,
 861                    TerminalBlink::TerminalControlled
 862                ) {
 863                    this.blinking_terminal_enabled = *blinking;
 864                }
 865            }
 866
 867            Event::TitleChanged => {
 868                cx.emit(ItemEvent::UpdateTab);
 869            }
 870
 871            Event::NewNavigationTarget(maybe_navigation_target) => {
 872                this.can_navigate_to_selected_word = match maybe_navigation_target {
 873                    Some(MaybeNavigationTarget::Url(_)) => true,
 874                    Some(MaybeNavigationTarget::PathLike(path_like_target)) => {
 875                        let valid_files_to_open_task = possible_open_target(
 876                            &workspace,
 877                            &path_like_target.terminal_dir,
 878                            &path_like_target.maybe_path,
 879                            cx,
 880                        );
 881                        smol::block_on(valid_files_to_open_task).is_some()
 882                    }
 883                    None => false,
 884                };
 885                cx.notify()
 886            }
 887
 888            Event::Open(maybe_navigation_target) => match maybe_navigation_target {
 889                MaybeNavigationTarget::Url(url) => cx.open_url(url),
 890
 891                MaybeNavigationTarget::PathLike(path_like_target) => {
 892                    if !this.can_navigate_to_selected_word {
 893                        return;
 894                    }
 895                    let task_workspace = workspace.clone();
 896                    let path_like_target = path_like_target.clone();
 897                    cx.spawn_in(window, |terminal_view, mut cx| async move {
 898                        let open_target = terminal_view
 899                            .update(&mut cx, |_, cx| {
 900                                possible_open_target(
 901                                    &task_workspace,
 902                                    &path_like_target.terminal_dir,
 903                                    &path_like_target.maybe_path,
 904                                    cx,
 905                                )
 906                            })?
 907                            .await;
 908                        if let Some((path_to_open, open_target)) = open_target {
 909                            let opened_items = task_workspace
 910                                .update_in(&mut cx, |workspace, window, cx| {
 911                                    workspace.open_paths(
 912                                        vec![path_to_open.path.clone()],
 913                                        OpenVisible::OnlyDirectories,
 914                                        None,
 915                                        window,
 916                                        cx,
 917                                    )
 918                                })
 919                                .context("workspace update")?
 920                                .await;
 921                            if opened_items.len() != 1 {
 922                                debug_panic!(
 923                                    "Received {} items for one path {path_to_open:?}",
 924                                    opened_items.len(),
 925                                );
 926                            }
 927
 928                            if let Some(opened_item) = opened_items.first() {
 929                                if open_target.is_file() {
 930                                    if let Some(Ok(opened_item)) = opened_item {
 931                                        if let Some(row) = path_to_open.row {
 932                                            let col = path_to_open.column.unwrap_or(0);
 933                                            if let Some(active_editor) =
 934                                                opened_item.downcast::<Editor>()
 935                                            {
 936                                                active_editor
 937                                                    .downgrade()
 938                                                    .update_in(&mut cx, |editor, window, cx| {
 939                                                        editor.go_to_singleton_buffer_point(
 940                                                            language::Point::new(
 941                                                                row.saturating_sub(1),
 942                                                                col.saturating_sub(1),
 943                                                            ),
 944                                                            window,
 945                                                            cx,
 946                                                        )
 947                                                    })
 948                                                    .log_err();
 949                                            }
 950                                        }
 951                                    }
 952                                } else if open_target.is_dir() {
 953                                    task_workspace.update(&mut cx, |workspace, cx| {
 954                                        workspace.project().update(cx, |_, cx| {
 955                                            cx.emit(project::Event::ActivateProjectPanel);
 956                                        })
 957                                    })?;
 958                                }
 959                            }
 960                        }
 961
 962                        anyhow::Ok(())
 963                    })
 964                    .detach_and_log_err(cx)
 965                }
 966            },
 967            Event::BreadcrumbsChanged => cx.emit(ItemEvent::UpdateBreadcrumbs),
 968            Event::CloseTerminal => cx.emit(ItemEvent::CloseItem),
 969            Event::SelectionsChanged => {
 970                window.invalidate_character_coordinates();
 971                cx.emit(SearchEvent::ActiveMatchChanged)
 972            }
 973        },
 974    );
 975    vec![terminal_subscription, terminal_events_subscription]
 976}
 977
 978#[derive(Debug, Clone)]
 979enum OpenTarget {
 980    Worktree(Entry),
 981    File(Metadata),
 982}
 983
 984impl OpenTarget {
 985    fn is_file(&self) -> bool {
 986        match self {
 987            OpenTarget::Worktree(entry) => entry.is_file(),
 988            OpenTarget::File(metadata) => !metadata.is_dir,
 989        }
 990    }
 991
 992    fn is_dir(&self) -> bool {
 993        match self {
 994            OpenTarget::Worktree(entry) => entry.is_dir(),
 995            OpenTarget::File(metadata) => metadata.is_dir,
 996        }
 997    }
 998}
 999
1000fn possible_open_target(
1001    workspace: &WeakEntity<Workspace>,
1002    cwd: &Option<PathBuf>,
1003    maybe_path: &str,
1004    cx: &mut Context<TerminalView>,
1005) -> Task<Option<(PathWithPosition, OpenTarget)>> {
1006    let Some(workspace) = workspace.upgrade() else {
1007        return Task::ready(None);
1008    };
1009    // We have to check for both paths, as on Unix, certain paths with positions are valid file paths too.
1010    // We can be on FS remote part, without real FS, so cannot canonicalize or check for existence the path right away.
1011    let mut potential_paths = Vec::new();
1012    let original_path = PathWithPosition::from_path(PathBuf::from(maybe_path));
1013    let path_with_position = PathWithPosition::parse_str(maybe_path);
1014    for prefix_str in GIT_DIFF_PATH_PREFIXES {
1015        if let Some(stripped) = original_path.path.strip_prefix(prefix_str).ok() {
1016            potential_paths.push(PathWithPosition {
1017                path: stripped.to_owned(),
1018                row: original_path.row,
1019                column: original_path.column,
1020            });
1021        }
1022        if let Some(stripped) = path_with_position.path.strip_prefix(prefix_str).ok() {
1023            potential_paths.push(PathWithPosition {
1024                path: stripped.to_owned(),
1025                row: path_with_position.row,
1026                column: path_with_position.column,
1027            });
1028        }
1029    }
1030    potential_paths.insert(0, original_path);
1031    potential_paths.insert(1, path_with_position);
1032
1033    for worktree in workspace.read(cx).worktrees(cx).sorted_by_key(|worktree| {
1034        let worktree_root = worktree.read(cx).abs_path();
1035        match cwd
1036            .as_ref()
1037            .and_then(|cwd| worktree_root.strip_prefix(cwd).ok())
1038        {
1039            Some(cwd_child) => cwd_child.components().count(),
1040            None => usize::MAX,
1041        }
1042    }) {
1043        let worktree_root = worktree.read(cx).abs_path();
1044        let paths_to_check = potential_paths
1045            .iter()
1046            .map(|path_with_position| PathWithPosition {
1047                path: path_with_position
1048                    .path
1049                    .strip_prefix(&worktree_root)
1050                    .unwrap_or(&path_with_position.path)
1051                    .to_owned(),
1052                row: path_with_position.row,
1053                column: path_with_position.column,
1054            })
1055            .collect::<Vec<_>>();
1056
1057        let mut traversal = worktree
1058            .read(cx)
1059            .traverse_from_path(true, true, false, "".as_ref());
1060        while let Some(entry) = traversal.next() {
1061            if let Some(path_in_worktree) = paths_to_check
1062                .iter()
1063                .find(|path_to_check| entry.path.ends_with(&path_to_check.path))
1064            {
1065                return Task::ready(Some((
1066                    PathWithPosition {
1067                        path: worktree_root.join(&entry.path),
1068                        row: path_in_worktree.row,
1069                        column: path_in_worktree.column,
1070                    },
1071                    OpenTarget::Worktree(entry.clone()),
1072                )));
1073            }
1074        }
1075    }
1076
1077    if !workspace.read(cx).project().read(cx).is_local() {
1078        return Task::ready(None);
1079    }
1080    let fs = workspace.read(cx).project().read(cx).fs().clone();
1081
1082    let paths_to_check = potential_paths
1083        .into_iter()
1084        .flat_map(|path_to_check| {
1085            let mut paths_to_check = Vec::new();
1086            let maybe_path = &path_to_check.path;
1087            if maybe_path.starts_with("~") {
1088                if let Some(home_path) =
1089                    maybe_path
1090                        .strip_prefix("~")
1091                        .ok()
1092                        .and_then(|stripped_maybe_path| {
1093                            Some(dirs::home_dir()?.join(stripped_maybe_path))
1094                        })
1095                {
1096                    paths_to_check.push(PathWithPosition {
1097                        path: home_path,
1098                        row: path_to_check.row,
1099                        column: path_to_check.column,
1100                    });
1101                }
1102            } else {
1103                paths_to_check.push(PathWithPosition {
1104                    path: maybe_path.clone(),
1105                    row: path_to_check.row,
1106                    column: path_to_check.column,
1107                });
1108                if maybe_path.is_relative() {
1109                    if let Some(cwd) = &cwd {
1110                        paths_to_check.push(PathWithPosition {
1111                            path: cwd.join(maybe_path),
1112                            row: path_to_check.row,
1113                            column: path_to_check.column,
1114                        });
1115                    }
1116                }
1117            }
1118            paths_to_check
1119        })
1120        .collect::<Vec<_>>();
1121
1122    cx.background_spawn(async move {
1123        for path_to_check in paths_to_check {
1124            if let Some(metadata) = fs.metadata(&path_to_check.path).await.ok().flatten() {
1125                return Some((path_to_check, OpenTarget::File(metadata)));
1126            }
1127        }
1128        None
1129    })
1130}
1131
1132fn regex_to_literal(regex: &str) -> String {
1133    regex
1134        .chars()
1135        .flat_map(|c| {
1136            if REGEX_SPECIAL_CHARS.contains(&c) {
1137                vec!['\\', c]
1138            } else {
1139                vec![c]
1140            }
1141        })
1142        .collect()
1143}
1144
1145pub fn regex_search_for_query(query: &project::search::SearchQuery) -> Option<RegexSearch> {
1146    let query = query.as_str();
1147    if query == "." {
1148        return None;
1149    }
1150    let searcher = RegexSearch::new(query);
1151    searcher.ok()
1152}
1153
1154impl TerminalView {
1155    fn key_down(&mut self, event: &KeyDownEvent, window: &mut Window, cx: &mut Context<Self>) {
1156        self.clear_bell(cx);
1157        self.pause_cursor_blinking(window, cx);
1158
1159        self.terminal.update(cx, |term, cx| {
1160            let handled = term.try_keystroke(
1161                &event.keystroke,
1162                TerminalSettings::get_global(cx).option_as_meta,
1163            );
1164            if handled {
1165                cx.stop_propagation();
1166            }
1167        });
1168    }
1169
1170    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1171        self.terminal.update(cx, |terminal, _| {
1172            terminal.set_cursor_shape(self.cursor_shape);
1173            terminal.focus_in();
1174        });
1175        self.blink_cursors(self.blink_epoch, window, cx);
1176        window.invalidate_character_coordinates();
1177        cx.notify();
1178    }
1179
1180    fn focus_out(&mut self, _: &mut Window, cx: &mut Context<Self>) {
1181        self.terminal.update(cx, |terminal, _| {
1182            terminal.focus_out();
1183            terminal.set_cursor_shape(CursorShape::Hollow);
1184        });
1185        self.hide_scrollbar(cx);
1186        cx.notify();
1187    }
1188}
1189
1190impl Render for TerminalView {
1191    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1192        let terminal_handle = self.terminal.clone();
1193        let terminal_view_handle = cx.entity().clone();
1194
1195        let focused = self.focus_handle.is_focused(window);
1196
1197        div()
1198            .id("terminal-view")
1199            .size_full()
1200            .relative()
1201            .track_focus(&self.focus_handle(cx))
1202            .key_context(self.dispatch_context(cx))
1203            .on_action(cx.listener(TerminalView::send_text))
1204            .on_action(cx.listener(TerminalView::send_keystroke))
1205            .on_action(cx.listener(TerminalView::copy))
1206            .on_action(cx.listener(TerminalView::paste))
1207            .on_action(cx.listener(TerminalView::clear))
1208            .on_action(cx.listener(TerminalView::scroll_line_up))
1209            .on_action(cx.listener(TerminalView::scroll_line_down))
1210            .on_action(cx.listener(TerminalView::scroll_page_up))
1211            .on_action(cx.listener(TerminalView::scroll_page_down))
1212            .on_action(cx.listener(TerminalView::scroll_to_top))
1213            .on_action(cx.listener(TerminalView::scroll_to_bottom))
1214            .on_action(cx.listener(TerminalView::toggle_vi_mode))
1215            .on_action(cx.listener(TerminalView::show_character_palette))
1216            .on_action(cx.listener(TerminalView::select_all))
1217            .on_key_down(cx.listener(Self::key_down))
1218            .on_mouse_down(
1219                MouseButton::Right,
1220                cx.listener(|this, event: &MouseDownEvent, window, cx| {
1221                    if !this.terminal.read(cx).mouse_mode(event.modifiers.shift) {
1222                        this.deploy_context_menu(event.position, window, cx);
1223                        cx.notify();
1224                    }
1225                }),
1226            )
1227            .on_hover(cx.listener(|this, hovered, window, cx| {
1228                if *hovered {
1229                    this.show_scrollbar = true;
1230                    this.hide_scrollbar_task.take();
1231                    cx.notify();
1232                } else if !this.focus_handle.contains_focused(window, cx) {
1233                    this.hide_scrollbar(cx);
1234                }
1235            }))
1236            .child(
1237                // TODO: Oddly this wrapper div is needed for TerminalElement to not steal events from the context menu
1238                div()
1239                    .size_full()
1240                    .child(TerminalElement::new(
1241                        terminal_handle,
1242                        terminal_view_handle,
1243                        self.workspace.clone(),
1244                        self.focus_handle.clone(),
1245                        focused,
1246                        self.should_show_cursor(focused, cx),
1247                        self.can_navigate_to_selected_word,
1248                        self.block_below_cursor.clone(),
1249                    ))
1250                    .when_some(self.render_scrollbar(cx), |div, scrollbar| {
1251                        div.child(scrollbar)
1252                    }),
1253            )
1254            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
1255                deferred(
1256                    anchored()
1257                        .position(*position)
1258                        .anchor(gpui::Corner::TopLeft)
1259                        .child(menu.clone()),
1260                )
1261                .with_priority(1)
1262            }))
1263    }
1264}
1265
1266impl Item for TerminalView {
1267    type Event = ItemEvent;
1268
1269    fn tab_tooltip_content(&self, cx: &App) -> Option<TabTooltipContent> {
1270        let terminal = self.terminal().read(cx);
1271        let title = terminal.title(false);
1272        let pid = terminal.pty_info.pid_getter().fallback_pid();
1273
1274        Some(TabTooltipContent::Custom(Box::new(move |_window, cx| {
1275            cx.new(|_| TerminalTooltip::new(title.clone(), pid)).into()
1276        })))
1277    }
1278
1279    fn tab_content(&self, params: TabContentParams, _window: &Window, cx: &App) -> AnyElement {
1280        let terminal = self.terminal().read(cx);
1281        let title = terminal.title(true);
1282
1283        let (icon, icon_color, rerun_button) = match terminal.task() {
1284            Some(terminal_task) => match &terminal_task.status {
1285                TaskStatus::Running => (
1286                    IconName::Play,
1287                    Color::Disabled,
1288                    TerminalView::rerun_button(&terminal_task),
1289                ),
1290                TaskStatus::Unknown => (
1291                    IconName::Warning,
1292                    Color::Warning,
1293                    TerminalView::rerun_button(&terminal_task),
1294                ),
1295                TaskStatus::Completed { success } => {
1296                    let rerun_button = TerminalView::rerun_button(&terminal_task);
1297
1298                    if *success {
1299                        (IconName::Check, Color::Success, rerun_button)
1300                    } else {
1301                        (IconName::XCircle, Color::Error, rerun_button)
1302                    }
1303                }
1304            },
1305            None => (IconName::Terminal, Color::Muted, None),
1306        };
1307
1308        h_flex()
1309            .gap_1()
1310            .group("term-tab-icon")
1311            .child(
1312                h_flex()
1313                    .group("term-tab-icon")
1314                    .child(
1315                        div()
1316                            .when(rerun_button.is_some(), |this| {
1317                                this.hover(|style| style.invisible().w_0())
1318                            })
1319                            .child(Icon::new(icon).color(icon_color)),
1320                    )
1321                    .when_some(rerun_button, |this, rerun_button| {
1322                        this.child(
1323                            div()
1324                                .absolute()
1325                                .visible_on_hover("term-tab-icon")
1326                                .child(rerun_button),
1327                        )
1328                    }),
1329            )
1330            .child(Label::new(title).color(params.text_color()))
1331            .into_any()
1332    }
1333
1334    fn telemetry_event_text(&self) -> Option<&'static str> {
1335        None
1336    }
1337
1338    fn clone_on_split(
1339        &self,
1340        workspace_id: Option<WorkspaceId>,
1341        window: &mut Window,
1342        cx: &mut Context<Self>,
1343    ) -> Option<Entity<Self>> {
1344        let window_handle = window.window_handle();
1345        let terminal = self
1346            .project
1347            .update(cx, |project, cx| {
1348                let terminal = self.terminal().read(cx);
1349                let working_directory = terminal
1350                    .working_directory()
1351                    .or_else(|| Some(project.active_project_directory(cx)?.to_path_buf()));
1352                let python_venv_directory = terminal.python_venv_directory.clone();
1353                project.create_terminal_with_venv(
1354                    TerminalKind::Shell(working_directory),
1355                    python_venv_directory,
1356                    window_handle,
1357                    cx,
1358                )
1359            })
1360            .ok()?
1361            .log_err()?;
1362
1363        Some(cx.new(|cx| {
1364            TerminalView::new(
1365                terminal,
1366                self.workspace.clone(),
1367                workspace_id,
1368                self.project.clone(),
1369                window,
1370                cx,
1371            )
1372        }))
1373    }
1374
1375    fn is_dirty(&self, cx: &gpui::App) -> bool {
1376        match self.terminal.read(cx).task() {
1377            Some(task) => task.status == TaskStatus::Running,
1378            None => self.has_bell(),
1379        }
1380    }
1381
1382    fn has_conflict(&self, _cx: &App) -> bool {
1383        false
1384    }
1385
1386    fn can_save_as(&self, _cx: &App) -> bool {
1387        false
1388    }
1389
1390    fn is_singleton(&self, _cx: &App) -> bool {
1391        true
1392    }
1393
1394    fn as_searchable(&self, handle: &Entity<Self>) -> Option<Box<dyn SearchableItemHandle>> {
1395        Some(Box::new(handle.clone()))
1396    }
1397
1398    fn breadcrumb_location(&self, cx: &App) -> ToolbarItemLocation {
1399        if self.show_breadcrumbs && !self.terminal().read(cx).breadcrumb_text.trim().is_empty() {
1400            ToolbarItemLocation::PrimaryLeft
1401        } else {
1402            ToolbarItemLocation::Hidden
1403        }
1404    }
1405
1406    fn breadcrumbs(&self, _: &theme::Theme, cx: &App) -> Option<Vec<BreadcrumbText>> {
1407        Some(vec![BreadcrumbText {
1408            text: self.terminal().read(cx).breadcrumb_text.clone(),
1409            highlights: None,
1410            font: None,
1411        }])
1412    }
1413
1414    fn added_to_workspace(
1415        &mut self,
1416        workspace: &mut Workspace,
1417        _: &mut Window,
1418        cx: &mut Context<Self>,
1419    ) {
1420        if self.terminal().read(cx).task().is_none() {
1421            if let Some((new_id, old_id)) = workspace.database_id().zip(self.workspace_id) {
1422                cx.background_spawn(TERMINAL_DB.update_workspace_id(
1423                    new_id,
1424                    old_id,
1425                    cx.entity_id().as_u64(),
1426                ))
1427                .detach();
1428            }
1429            self.workspace_id = workspace.database_id();
1430        }
1431    }
1432
1433    fn to_item_events(event: &Self::Event, mut f: impl FnMut(ItemEvent)) {
1434        f(*event)
1435    }
1436}
1437
1438impl SerializableItem for TerminalView {
1439    fn serialized_item_kind() -> &'static str {
1440        "Terminal"
1441    }
1442
1443    fn cleanup(
1444        workspace_id: WorkspaceId,
1445        alive_items: Vec<workspace::ItemId>,
1446        window: &mut Window,
1447        cx: &mut App,
1448    ) -> Task<gpui::Result<()>> {
1449        window.spawn(cx, |_| {
1450            TERMINAL_DB.delete_unloaded_items(workspace_id, alive_items)
1451        })
1452    }
1453
1454    fn serialize(
1455        &mut self,
1456        _workspace: &mut Workspace,
1457        item_id: workspace::ItemId,
1458        _closing: bool,
1459        _: &mut Window,
1460        cx: &mut Context<Self>,
1461    ) -> Option<Task<gpui::Result<()>>> {
1462        let terminal = self.terminal().read(cx);
1463        if terminal.task().is_some() {
1464            return None;
1465        }
1466
1467        if let Some((cwd, workspace_id)) = terminal.working_directory().zip(self.workspace_id) {
1468            Some(cx.background_spawn(async move {
1469                TERMINAL_DB
1470                    .save_working_directory(item_id, workspace_id, cwd)
1471                    .await
1472            }))
1473        } else {
1474            None
1475        }
1476    }
1477
1478    fn should_serialize(&self, event: &Self::Event) -> bool {
1479        matches!(event, ItemEvent::UpdateTab)
1480    }
1481
1482    fn deserialize(
1483        project: Entity<Project>,
1484        workspace: WeakEntity<Workspace>,
1485        workspace_id: workspace::WorkspaceId,
1486        item_id: workspace::ItemId,
1487        window: &mut Window,
1488        cx: &mut App,
1489    ) -> Task<anyhow::Result<Entity<Self>>> {
1490        let window_handle = window.window_handle();
1491        window.spawn(cx, |mut cx| async move {
1492            let cwd = cx
1493                .update(|_window, cx| {
1494                    let from_db = TERMINAL_DB
1495                        .get_working_directory(item_id, workspace_id)
1496                        .log_err()
1497                        .flatten();
1498                    if from_db
1499                        .as_ref()
1500                        .is_some_and(|from_db| !from_db.as_os_str().is_empty())
1501                    {
1502                        from_db
1503                    } else {
1504                        workspace
1505                            .upgrade()
1506                            .and_then(|workspace| default_working_directory(workspace.read(cx), cx))
1507                    }
1508                })
1509                .ok()
1510                .flatten();
1511
1512            let terminal = project
1513                .update(&mut cx, |project, cx| {
1514                    project.create_terminal(TerminalKind::Shell(cwd), window_handle, cx)
1515                })?
1516                .await?;
1517            cx.update(|window, cx| {
1518                cx.new(|cx| {
1519                    TerminalView::new(
1520                        terminal,
1521                        workspace,
1522                        Some(workspace_id),
1523                        project.downgrade(),
1524                        window,
1525                        cx,
1526                    )
1527                })
1528            })
1529        })
1530    }
1531}
1532
1533impl SearchableItem for TerminalView {
1534    type Match = RangeInclusive<Point>;
1535
1536    fn supported_options(&self) -> SearchOptions {
1537        SearchOptions {
1538            case: false,
1539            word: false,
1540            regex: true,
1541            replacement: false,
1542            selection: false,
1543            find_in_results: false,
1544        }
1545    }
1546
1547    /// Clear stored matches
1548    fn clear_matches(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
1549        self.terminal().update(cx, |term, _| term.matches.clear())
1550    }
1551
1552    /// Store matches returned from find_matches somewhere for rendering
1553    fn update_matches(
1554        &mut self,
1555        matches: &[Self::Match],
1556        _window: &mut Window,
1557        cx: &mut Context<Self>,
1558    ) {
1559        self.terminal()
1560            .update(cx, |term, _| term.matches = matches.to_vec())
1561    }
1562
1563    /// Returns the selection content to pre-load into this search
1564    fn query_suggestion(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> String {
1565        self.terminal()
1566            .read(cx)
1567            .last_content
1568            .selection_text
1569            .clone()
1570            .unwrap_or_default()
1571    }
1572
1573    /// Focus match at given index into the Vec of matches
1574    fn activate_match(
1575        &mut self,
1576        index: usize,
1577        _: &[Self::Match],
1578        _window: &mut Window,
1579        cx: &mut Context<Self>,
1580    ) {
1581        self.terminal()
1582            .update(cx, |term, _| term.activate_match(index));
1583        cx.notify();
1584    }
1585
1586    /// Add selections for all matches given.
1587    fn select_matches(&mut self, matches: &[Self::Match], _: &mut Window, cx: &mut Context<Self>) {
1588        self.terminal()
1589            .update(cx, |term, _| term.select_matches(matches));
1590        cx.notify();
1591    }
1592
1593    /// Get all of the matches for this query, should be done on the background
1594    fn find_matches(
1595        &mut self,
1596        query: Arc<SearchQuery>,
1597        _: &mut Window,
1598        cx: &mut Context<Self>,
1599    ) -> Task<Vec<Self::Match>> {
1600        let searcher = match &*query {
1601            SearchQuery::Text { .. } => regex_search_for_query(
1602                &(SearchQuery::text(
1603                    regex_to_literal(query.as_str()),
1604                    query.whole_word(),
1605                    query.case_sensitive(),
1606                    query.include_ignored(),
1607                    query.files_to_include().clone(),
1608                    query.files_to_exclude().clone(),
1609                    None,
1610                )
1611                .unwrap()),
1612            ),
1613            SearchQuery::Regex { .. } => regex_search_for_query(&query),
1614        };
1615
1616        if let Some(s) = searcher {
1617            self.terminal()
1618                .update(cx, |term, cx| term.find_matches(s, cx))
1619        } else {
1620            Task::ready(vec![])
1621        }
1622    }
1623
1624    /// Reports back to the search toolbar what the active match should be (the selection)
1625    fn active_match_index(
1626        &mut self,
1627        direction: Direction,
1628        matches: &[Self::Match],
1629        _: &mut Window,
1630        cx: &mut Context<Self>,
1631    ) -> Option<usize> {
1632        // Selection head might have a value if there's a selection that isn't
1633        // associated with a match. Therefore, if there are no matches, we should
1634        // report None, no matter the state of the terminal
1635        let res = if !matches.is_empty() {
1636            if let Some(selection_head) = self.terminal().read(cx).selection_head {
1637                // If selection head is contained in a match. Return that match
1638                match direction {
1639                    Direction::Prev => {
1640                        // If no selection before selection head, return the first match
1641                        Some(
1642                            matches
1643                                .iter()
1644                                .enumerate()
1645                                .rev()
1646                                .find(|(_, search_match)| {
1647                                    search_match.contains(&selection_head)
1648                                        || search_match.start() < &selection_head
1649                                })
1650                                .map(|(ix, _)| ix)
1651                                .unwrap_or(0),
1652                        )
1653                    }
1654                    Direction::Next => {
1655                        // If no selection after selection head, return the last match
1656                        Some(
1657                            matches
1658                                .iter()
1659                                .enumerate()
1660                                .find(|(_, search_match)| {
1661                                    search_match.contains(&selection_head)
1662                                        || search_match.start() > &selection_head
1663                                })
1664                                .map(|(ix, _)| ix)
1665                                .unwrap_or(matches.len().saturating_sub(1)),
1666                        )
1667                    }
1668                }
1669            } else {
1670                // Matches found but no active selection, return the first last one (closest to cursor)
1671                Some(matches.len().saturating_sub(1))
1672            }
1673        } else {
1674            None
1675        };
1676
1677        res
1678    }
1679    fn replace(
1680        &mut self,
1681        _: &Self::Match,
1682        _: &SearchQuery,
1683        _window: &mut Window,
1684        _: &mut Context<Self>,
1685    ) {
1686        // Replacement is not supported in terminal view, so this is a no-op.
1687    }
1688}
1689
1690///Gets the working directory for the given workspace, respecting the user's settings.
1691/// None implies "~" on whichever machine we end up on.
1692pub(crate) fn default_working_directory(workspace: &Workspace, cx: &App) -> Option<PathBuf> {
1693    match &TerminalSettings::get_global(cx).working_directory {
1694        WorkingDirectory::CurrentProjectDirectory => workspace
1695            .project()
1696            .read(cx)
1697            .active_project_directory(cx)
1698            .as_deref()
1699            .map(Path::to_path_buf),
1700        WorkingDirectory::FirstProjectDirectory => first_project_directory(workspace, cx),
1701        WorkingDirectory::AlwaysHome => None,
1702        WorkingDirectory::Always { directory } => {
1703            shellexpand::full(&directory) //TODO handle this better
1704                .ok()
1705                .map(|dir| Path::new(&dir.to_string()).to_path_buf())
1706                .filter(|dir| dir.is_dir())
1707        }
1708    }
1709}
1710///Gets the first project's home directory, or the home directory
1711fn first_project_directory(workspace: &Workspace, cx: &App) -> Option<PathBuf> {
1712    let worktree = workspace.worktrees(cx).next()?.read(cx);
1713    if !worktree.root_entry()?.is_dir() {
1714        return None;
1715    }
1716    Some(worktree.abs_path().to_path_buf())
1717}
1718
1719#[cfg(test)]
1720mod tests {
1721    use super::*;
1722    use gpui::TestAppContext;
1723    use project::{Entry, Project, ProjectPath, Worktree};
1724    use std::path::Path;
1725    use workspace::AppState;
1726
1727    // Working directory calculation tests
1728
1729    // No Worktrees in project -> home_dir()
1730    #[gpui::test]
1731    async fn no_worktree(cx: &mut TestAppContext) {
1732        let (project, workspace) = init_test(cx).await;
1733        cx.read(|cx| {
1734            let workspace = workspace.read(cx);
1735            let active_entry = project.read(cx).active_entry();
1736
1737            //Make sure environment is as expected
1738            assert!(active_entry.is_none());
1739            assert!(workspace.worktrees(cx).next().is_none());
1740
1741            let res = default_working_directory(workspace, cx);
1742            assert_eq!(res, None);
1743            let res = first_project_directory(workspace, cx);
1744            assert_eq!(res, None);
1745        });
1746    }
1747
1748    // No active entry, but a worktree, worktree is a file -> home_dir()
1749    #[gpui::test]
1750    async fn no_active_entry_worktree_is_file(cx: &mut TestAppContext) {
1751        let (project, workspace) = init_test(cx).await;
1752
1753        create_file_wt(project.clone(), "/root.txt", cx).await;
1754        cx.read(|cx| {
1755            let workspace = workspace.read(cx);
1756            let active_entry = project.read(cx).active_entry();
1757
1758            //Make sure environment is as expected
1759            assert!(active_entry.is_none());
1760            assert!(workspace.worktrees(cx).next().is_some());
1761
1762            let res = default_working_directory(workspace, cx);
1763            assert_eq!(res, None);
1764            let res = first_project_directory(workspace, cx);
1765            assert_eq!(res, None);
1766        });
1767    }
1768
1769    // No active entry, but a worktree, worktree is a folder -> worktree_folder
1770    #[gpui::test]
1771    async fn no_active_entry_worktree_is_dir(cx: &mut TestAppContext) {
1772        let (project, workspace) = init_test(cx).await;
1773
1774        let (_wt, _entry) = create_folder_wt(project.clone(), "/root/", cx).await;
1775        cx.update(|cx| {
1776            let workspace = workspace.read(cx);
1777            let active_entry = project.read(cx).active_entry();
1778
1779            assert!(active_entry.is_none());
1780            assert!(workspace.worktrees(cx).next().is_some());
1781
1782            let res = default_working_directory(workspace, cx);
1783            assert_eq!(res, Some((Path::new("/root/")).to_path_buf()));
1784            let res = first_project_directory(workspace, cx);
1785            assert_eq!(res, Some((Path::new("/root/")).to_path_buf()));
1786        });
1787    }
1788
1789    // Active entry with a work tree, worktree is a file -> worktree_folder()
1790    #[gpui::test]
1791    async fn active_entry_worktree_is_file(cx: &mut TestAppContext) {
1792        let (project, workspace) = init_test(cx).await;
1793
1794        let (_wt, _entry) = create_folder_wt(project.clone(), "/root1/", cx).await;
1795        let (wt2, entry2) = create_file_wt(project.clone(), "/root2.txt", cx).await;
1796        insert_active_entry_for(wt2, entry2, project.clone(), cx);
1797
1798        cx.update(|cx| {
1799            let workspace = workspace.read(cx);
1800            let active_entry = project.read(cx).active_entry();
1801
1802            assert!(active_entry.is_some());
1803
1804            let res = default_working_directory(workspace, cx);
1805            assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
1806            let res = first_project_directory(workspace, cx);
1807            assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
1808        });
1809    }
1810
1811    // Active entry, with a worktree, worktree is a folder -> worktree_folder
1812    #[gpui::test]
1813    async fn active_entry_worktree_is_dir(cx: &mut TestAppContext) {
1814        let (project, workspace) = init_test(cx).await;
1815
1816        let (_wt, _entry) = create_folder_wt(project.clone(), "/root1/", cx).await;
1817        let (wt2, entry2) = create_folder_wt(project.clone(), "/root2/", cx).await;
1818        insert_active_entry_for(wt2, entry2, project.clone(), cx);
1819
1820        cx.update(|cx| {
1821            let workspace = workspace.read(cx);
1822            let active_entry = project.read(cx).active_entry();
1823
1824            assert!(active_entry.is_some());
1825
1826            let res = default_working_directory(workspace, cx);
1827            assert_eq!(res, Some((Path::new("/root2/")).to_path_buf()));
1828            let res = first_project_directory(workspace, cx);
1829            assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
1830        });
1831    }
1832
1833    /// Creates a worktree with 1 file: /root.txt
1834    pub async fn init_test(cx: &mut TestAppContext) -> (Entity<Project>, Entity<Workspace>) {
1835        let params = cx.update(AppState::test);
1836        cx.update(|cx| {
1837            terminal::init(cx);
1838            theme::init(theme::LoadThemes::JustBase, cx);
1839            Project::init_settings(cx);
1840            language::init(cx);
1841        });
1842
1843        let project = Project::test(params.fs.clone(), [], cx).await;
1844        let workspace = cx
1845            .add_window(|window, cx| Workspace::test_new(project.clone(), window, cx))
1846            .root(cx)
1847            .unwrap();
1848
1849        (project, workspace)
1850    }
1851
1852    /// Creates a worktree with 1 folder: /root{suffix}/
1853    async fn create_folder_wt(
1854        project: Entity<Project>,
1855        path: impl AsRef<Path>,
1856        cx: &mut TestAppContext,
1857    ) -> (Entity<Worktree>, Entry) {
1858        create_wt(project, true, path, cx).await
1859    }
1860
1861    /// Creates a worktree with 1 file: /root{suffix}.txt
1862    async fn create_file_wt(
1863        project: Entity<Project>,
1864        path: impl AsRef<Path>,
1865        cx: &mut TestAppContext,
1866    ) -> (Entity<Worktree>, Entry) {
1867        create_wt(project, false, path, cx).await
1868    }
1869
1870    async fn create_wt(
1871        project: Entity<Project>,
1872        is_dir: bool,
1873        path: impl AsRef<Path>,
1874        cx: &mut TestAppContext,
1875    ) -> (Entity<Worktree>, Entry) {
1876        let (wt, _) = project
1877            .update(cx, |project, cx| {
1878                project.find_or_create_worktree(path, true, cx)
1879            })
1880            .await
1881            .unwrap();
1882
1883        let entry = cx
1884            .update(|cx| wt.update(cx, |wt, cx| wt.create_entry(Path::new(""), is_dir, cx)))
1885            .await
1886            .unwrap()
1887            .to_included()
1888            .unwrap();
1889
1890        (wt, entry)
1891    }
1892
1893    pub fn insert_active_entry_for(
1894        wt: Entity<Worktree>,
1895        entry: Entry,
1896        project: Entity<Project>,
1897        cx: &mut TestAppContext,
1898    ) {
1899        cx.update(|cx| {
1900            let p = ProjectPath {
1901                worktree_id: wt.read(cx).id(),
1902                path: entry.path,
1903            };
1904            project.update(cx, |project, cx| project.set_active_path(Some(p), cx));
1905        });
1906    }
1907
1908    #[test]
1909    fn escapes_only_special_characters() {
1910        assert_eq!(regex_to_literal(r"test(\w)"), r"test\(\\w\)".to_string());
1911    }
1912
1913    #[test]
1914    fn empty_string_stays_empty() {
1915        assert_eq!(regex_to_literal(""), "".to_string());
1916    }
1917}