terminal_view.rs

   1mod persistence;
   2pub mod terminal_element;
   3pub mod terminal_panel;
   4mod terminal_path_like_target;
   5pub mod terminal_scrollbar;
   6mod terminal_slash_command;
   7pub mod terminal_tab_tooltip;
   8
   9use assistant_slash_command::SlashCommandRegistry;
  10use editor::{EditorSettings, actions::SelectAll};
  11use gpui::{
  12    Action, AnyElement, App, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable,
  13    KeyContext, KeyDownEvent, Keystroke, MouseButton, MouseDownEvent, Pixels, Render,
  14    ScrollWheelEvent, Styled, Subscription, Task, WeakEntity, actions, anchored, deferred, div,
  15};
  16use persistence::TERMINAL_DB;
  17use project::{Project, search::SearchQuery};
  18use schemars::JsonSchema;
  19use task::TaskId;
  20use terminal::{
  21    Clear, Copy, Event, HoveredWord, MaybeNavigationTarget, Paste, ScrollLineDown, ScrollLineUp,
  22    ScrollPageDown, ScrollPageUp, ScrollToBottom, ScrollToTop, ShowCharacterPalette, TaskState,
  23    TaskStatus, Terminal, TerminalBounds, ToggleViMode,
  24    alacritty_terminal::{
  25        index::Point,
  26        term::{TermMode, point_to_viewport, search::RegexSearch},
  27    },
  28    terminal_settings::{CursorShape, TerminalSettings},
  29};
  30use terminal_element::TerminalElement;
  31use terminal_panel::TerminalPanel;
  32use terminal_path_like_target::{hover_path_like_target, open_path_like_target};
  33use terminal_scrollbar::TerminalScrollHandle;
  34use terminal_slash_command::TerminalSlashCommand;
  35use terminal_tab_tooltip::TerminalTooltip;
  36use ui::{
  37    ContextMenu, Icon, IconName, Label, ScrollAxes, Scrollbars, Tooltip, WithScrollbar, h_flex,
  38    prelude::*,
  39    scrollbars::{self, GlobalSetting, ScrollbarVisibility},
  40};
  41use util::ResultExt;
  42use workspace::{
  43    CloseActiveItem, NewCenterTerminal, NewTerminal, ToolbarItemLocation, Workspace, WorkspaceId,
  44    delete_unloaded_items,
  45    item::{
  46        BreadcrumbText, Item, ItemEvent, SerializableItem, TabContentParams, TabTooltipContent,
  47    },
  48    register_serializable_item,
  49    searchable::{Direction, SearchEvent, SearchOptions, SearchableItem, SearchableItemHandle},
  50};
  51
  52use serde::Deserialize;
  53use settings::{Settings, SettingsStore, TerminalBlink, WorkingDirectory};
  54use smol::Timer;
  55use zed_actions::assistant::InlineAssist;
  56
  57use std::{
  58    cmp,
  59    ops::{Range, RangeInclusive},
  60    path::{Path, PathBuf},
  61    rc::Rc,
  62    sync::Arc,
  63    time::Duration,
  64};
  65
  66struct ImeState {
  67    marked_text: String,
  68    marked_range_utf16: Option<Range<usize>>,
  69}
  70
  71const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
  72
  73/// Event to transmit the scroll from the element to the view
  74#[derive(Clone, Debug, PartialEq)]
  75pub struct ScrollTerminal(pub i32);
  76
  77/// Sends the specified text directly to the terminal.
  78#[derive(Clone, Debug, Default, Deserialize, JsonSchema, PartialEq, Action)]
  79#[action(namespace = terminal)]
  80pub struct SendText(String);
  81
  82/// Sends a keystroke sequence to the terminal.
  83#[derive(Clone, Debug, Default, Deserialize, JsonSchema, PartialEq, Action)]
  84#[action(namespace = terminal)]
  85pub struct SendKeystroke(String);
  86
  87actions!(
  88    terminal,
  89    [
  90        /// Reruns the last executed task in the terminal.
  91        RerunTask
  92    ]
  93);
  94
  95pub fn init(cx: &mut App) {
  96    assistant_slash_command::init(cx);
  97    terminal_panel::init(cx);
  98    terminal::init(cx);
  99
 100    register_serializable_item::<TerminalView>(cx);
 101
 102    cx.observe_new(|workspace: &mut Workspace, _window, _cx| {
 103        workspace.register_action(TerminalView::deploy);
 104    })
 105    .detach();
 106    SlashCommandRegistry::global(cx).register_command(TerminalSlashCommand, true);
 107}
 108
 109pub struct BlockProperties {
 110    pub height: u8,
 111    pub render: Box<dyn Send + Fn(&mut BlockContext) -> AnyElement>,
 112}
 113
 114pub struct BlockContext<'a, 'b> {
 115    pub window: &'a mut Window,
 116    pub context: &'b mut App,
 117    pub dimensions: TerminalBounds,
 118}
 119
 120///A terminal view, maintains the PTY's file handles and communicates with the terminal
 121pub struct TerminalView {
 122    terminal: Entity<Terminal>,
 123    workspace: WeakEntity<Workspace>,
 124    project: WeakEntity<Project>,
 125    focus_handle: FocusHandle,
 126    //Currently using iTerm bell, show bell emoji in tab until input is received
 127    has_bell: bool,
 128    context_menu: Option<(Entity<ContextMenu>, gpui::Point<Pixels>, Subscription)>,
 129    cursor_shape: CursorShape,
 130    blink_state: bool,
 131    mode: TerminalMode,
 132    blinking_terminal_enabled: bool,
 133    cwd_serialized: bool,
 134    blinking_paused: bool,
 135    blink_epoch: usize,
 136    hover: Option<HoverTarget>,
 137    hover_tooltip_update: Task<()>,
 138    workspace_id: Option<WorkspaceId>,
 139    show_breadcrumbs: bool,
 140    block_below_cursor: Option<Rc<BlockProperties>>,
 141    scroll_top: Pixels,
 142    scroll_handle: TerminalScrollHandle,
 143    ime_state: Option<ImeState>,
 144    _subscriptions: Vec<Subscription>,
 145    _terminal_subscriptions: Vec<Subscription>,
 146}
 147
 148#[derive(Default, Clone)]
 149pub enum TerminalMode {
 150    #[default]
 151    Standalone,
 152    Embedded {
 153        max_lines_when_unfocused: Option<usize>,
 154    },
 155}
 156
 157#[derive(Clone)]
 158pub enum ContentMode {
 159    Scrollable,
 160    Inline {
 161        displayed_lines: usize,
 162        total_lines: usize,
 163    },
 164}
 165
 166impl ContentMode {
 167    pub fn is_limited(&self) -> bool {
 168        match self {
 169            ContentMode::Scrollable => false,
 170            ContentMode::Inline {
 171                displayed_lines,
 172                total_lines,
 173            } => displayed_lines < total_lines,
 174        }
 175    }
 176
 177    pub fn is_scrollable(&self) -> bool {
 178        matches!(self, ContentMode::Scrollable)
 179    }
 180}
 181
 182#[derive(Debug)]
 183#[cfg_attr(test, derive(Clone, Eq, PartialEq))]
 184struct HoverTarget {
 185    tooltip: String,
 186    hovered_word: HoveredWord,
 187}
 188
 189impl EventEmitter<Event> for TerminalView {}
 190impl EventEmitter<ItemEvent> for TerminalView {}
 191impl EventEmitter<SearchEvent> for TerminalView {}
 192
 193impl Focusable for TerminalView {
 194    fn focus_handle(&self, _cx: &App) -> FocusHandle {
 195        self.focus_handle.clone()
 196    }
 197}
 198
 199impl TerminalView {
 200    ///Create a new Terminal in the current working directory or the user's home directory
 201    pub fn deploy(
 202        workspace: &mut Workspace,
 203        _: &NewCenterTerminal,
 204        window: &mut Window,
 205        cx: &mut Context<Workspace>,
 206    ) {
 207        let working_directory = default_working_directory(workspace, cx);
 208        TerminalPanel::add_center_terminal(workspace, window, cx, |project, cx| {
 209            project.create_terminal_shell(working_directory, cx)
 210        })
 211        .detach_and_log_err(cx);
 212    }
 213
 214    pub fn new(
 215        terminal: Entity<Terminal>,
 216        workspace: WeakEntity<Workspace>,
 217        workspace_id: Option<WorkspaceId>,
 218        project: WeakEntity<Project>,
 219        window: &mut Window,
 220        cx: &mut Context<Self>,
 221    ) -> Self {
 222        let workspace_handle = workspace.clone();
 223        let terminal_subscriptions =
 224            subscribe_for_terminal_events(&terminal, workspace, window, cx);
 225
 226        let focus_handle = cx.focus_handle();
 227        let focus_in = cx.on_focus_in(&focus_handle, window, |terminal_view, window, cx| {
 228            terminal_view.focus_in(window, cx);
 229        });
 230        let focus_out = cx.on_focus_out(
 231            &focus_handle,
 232            window,
 233            |terminal_view, _event, window, cx| {
 234                terminal_view.focus_out(window, cx);
 235            },
 236        );
 237        let cursor_shape = TerminalSettings::get_global(cx).cursor_shape;
 238
 239        let scroll_handle = TerminalScrollHandle::new(terminal.read(cx));
 240
 241        Self {
 242            terminal,
 243            workspace: workspace_handle,
 244            project,
 245            has_bell: false,
 246            focus_handle,
 247            context_menu: None,
 248            cursor_shape,
 249            blink_state: true,
 250            blinking_terminal_enabled: false,
 251            blinking_paused: false,
 252            blink_epoch: 0,
 253            hover: None,
 254            hover_tooltip_update: Task::ready(()),
 255            mode: TerminalMode::Standalone,
 256            workspace_id,
 257            show_breadcrumbs: TerminalSettings::get_global(cx).toolbar.breadcrumbs,
 258            block_below_cursor: None,
 259            scroll_top: Pixels::ZERO,
 260            scroll_handle,
 261            cwd_serialized: false,
 262            ime_state: None,
 263            _subscriptions: vec![
 264                focus_in,
 265                focus_out,
 266                cx.observe_global::<SettingsStore>(Self::settings_changed),
 267            ],
 268            _terminal_subscriptions: terminal_subscriptions,
 269        }
 270    }
 271
 272    /// Enable 'embedded' mode where the terminal displays the full content with an optional limit of lines.
 273    pub fn set_embedded_mode(
 274        &mut self,
 275        max_lines_when_unfocused: Option<usize>,
 276        cx: &mut Context<Self>,
 277    ) {
 278        self.mode = TerminalMode::Embedded {
 279            max_lines_when_unfocused,
 280        };
 281        cx.notify();
 282    }
 283
 284    const MAX_EMBEDDED_LINES: usize = 1_000;
 285
 286    /// Returns the current `ContentMode` depending on the set `TerminalMode` and the current number of lines
 287    ///
 288    /// Note: Even in embedded mode, the terminal will fallback to scrollable when its content exceeds `MAX_EMBEDDED_LINES`
 289    pub fn content_mode(&self, window: &Window, cx: &App) -> ContentMode {
 290        match &self.mode {
 291            TerminalMode::Standalone => ContentMode::Scrollable,
 292            TerminalMode::Embedded {
 293                max_lines_when_unfocused,
 294            } => {
 295                let total_lines = self.terminal.read(cx).total_lines();
 296
 297                if total_lines > Self::MAX_EMBEDDED_LINES {
 298                    ContentMode::Scrollable
 299                } else {
 300                    let mut displayed_lines = total_lines;
 301
 302                    if !self.focus_handle.is_focused(window)
 303                        && let Some(max_lines) = max_lines_when_unfocused
 304                    {
 305                        displayed_lines = displayed_lines.min(*max_lines)
 306                    }
 307
 308                    ContentMode::Inline {
 309                        displayed_lines,
 310                        total_lines,
 311                    }
 312                }
 313            }
 314        }
 315    }
 316
 317    /// Sets the marked (pre-edit) text from the IME.
 318    pub(crate) fn set_marked_text(
 319        &mut self,
 320        text: String,
 321        range: Option<Range<usize>>,
 322        cx: &mut Context<Self>,
 323    ) {
 324        self.ime_state = Some(ImeState {
 325            marked_text: text,
 326            marked_range_utf16: range,
 327        });
 328        cx.notify();
 329    }
 330
 331    /// Gets the current marked range (UTF-16).
 332    pub(crate) fn marked_text_range(&self) -> Option<Range<usize>> {
 333        self.ime_state
 334            .as_ref()
 335            .and_then(|state| state.marked_range_utf16.clone())
 336    }
 337
 338    /// Clears the marked (pre-edit) text state.
 339    pub(crate) fn clear_marked_text(&mut self, cx: &mut Context<Self>) {
 340        if self.ime_state.is_some() {
 341            self.ime_state = None;
 342            cx.notify();
 343        }
 344    }
 345
 346    /// Commits (sends) the given text to the PTY. Called by InputHandler::replace_text_in_range.
 347    pub(crate) fn commit_text(&mut self, text: &str, cx: &mut Context<Self>) {
 348        if !text.is_empty() {
 349            self.terminal.update(cx, |term, _| {
 350                term.input(text.to_string().into_bytes());
 351            });
 352        }
 353    }
 354
 355    pub(crate) fn terminal_bounds(&self, cx: &App) -> TerminalBounds {
 356        self.terminal.read(cx).last_content().terminal_bounds
 357    }
 358
 359    pub fn entity(&self) -> &Entity<Terminal> {
 360        &self.terminal
 361    }
 362
 363    pub fn has_bell(&self) -> bool {
 364        self.has_bell
 365    }
 366
 367    pub fn clear_bell(&mut self, cx: &mut Context<TerminalView>) {
 368        self.has_bell = false;
 369        cx.emit(Event::Wakeup);
 370    }
 371
 372    pub fn deploy_context_menu(
 373        &mut self,
 374        position: gpui::Point<Pixels>,
 375        window: &mut Window,
 376        cx: &mut Context<Self>,
 377    ) {
 378        let assistant_enabled = self
 379            .workspace
 380            .upgrade()
 381            .and_then(|workspace| workspace.read(cx).panel::<TerminalPanel>(cx))
 382            .is_some_and(|terminal_panel| terminal_panel.read(cx).assistant_enabled());
 383        let context_menu = ContextMenu::build(window, cx, |menu, _, _| {
 384            menu.context(self.focus_handle.clone())
 385                .action("New Terminal", Box::new(NewTerminal))
 386                .separator()
 387                .action("Copy", Box::new(Copy))
 388                .action("Paste", Box::new(Paste))
 389                .action("Select All", Box::new(SelectAll))
 390                .action("Clear", Box::new(Clear))
 391                .when(assistant_enabled, |menu| {
 392                    menu.separator()
 393                        .action("Inline Assist", Box::new(InlineAssist::default()))
 394                })
 395                .separator()
 396                .action(
 397                    "Close Terminal Tab",
 398                    Box::new(CloseActiveItem {
 399                        save_intent: None,
 400                        close_pinned: true,
 401                    }),
 402                )
 403        });
 404
 405        window.focus(&context_menu.focus_handle(cx));
 406        let subscription = cx.subscribe_in(
 407            &context_menu,
 408            window,
 409            |this, _, _: &DismissEvent, window, cx| {
 410                if this.context_menu.as_ref().is_some_and(|context_menu| {
 411                    context_menu.0.focus_handle(cx).contains_focused(window, cx)
 412                }) {
 413                    cx.focus_self(window);
 414                }
 415                this.context_menu.take();
 416                cx.notify();
 417            },
 418        );
 419
 420        self.context_menu = Some((context_menu, position, subscription));
 421    }
 422
 423    fn settings_changed(&mut self, cx: &mut Context<Self>) {
 424        let settings = TerminalSettings::get_global(cx);
 425        let breadcrumb_visibility_changed = self.show_breadcrumbs != settings.toolbar.breadcrumbs;
 426        self.show_breadcrumbs = settings.toolbar.breadcrumbs;
 427
 428        let new_cursor_shape = settings.cursor_shape;
 429        let old_cursor_shape = self.cursor_shape;
 430        if old_cursor_shape != new_cursor_shape {
 431            self.cursor_shape = new_cursor_shape;
 432            self.terminal.update(cx, |term, _| {
 433                term.set_cursor_shape(self.cursor_shape);
 434            });
 435        }
 436
 437        if breadcrumb_visibility_changed {
 438            cx.emit(ItemEvent::UpdateBreadcrumbs);
 439        }
 440        cx.notify();
 441    }
 442
 443    fn show_character_palette(
 444        &mut self,
 445        _: &ShowCharacterPalette,
 446        window: &mut Window,
 447        cx: &mut Context<Self>,
 448    ) {
 449        if self
 450            .terminal
 451            .read(cx)
 452            .last_content
 453            .mode
 454            .contains(TermMode::ALT_SCREEN)
 455        {
 456            self.terminal.update(cx, |term, cx| {
 457                term.try_keystroke(
 458                    &Keystroke::parse("ctrl-cmd-space").unwrap(),
 459                    TerminalSettings::get_global(cx).option_as_meta,
 460                )
 461            });
 462        } else {
 463            window.show_character_palette();
 464        }
 465    }
 466
 467    fn select_all(&mut self, _: &SelectAll, _: &mut Window, cx: &mut Context<Self>) {
 468        self.terminal.update(cx, |term, _| term.select_all());
 469        cx.notify();
 470    }
 471
 472    fn rerun_task(&mut self, _: &RerunTask, window: &mut Window, cx: &mut Context<Self>) {
 473        let task = self
 474            .terminal
 475            .read(cx)
 476            .task()
 477            .map(|task| terminal_rerun_override(&task.spawned_task.id))
 478            .unwrap_or_default();
 479        window.dispatch_action(Box::new(task), cx);
 480    }
 481
 482    fn clear(&mut self, _: &Clear, _: &mut Window, cx: &mut Context<Self>) {
 483        self.scroll_top = px(0.);
 484        self.terminal.update(cx, |term, _| term.clear());
 485        cx.notify();
 486    }
 487
 488    fn max_scroll_top(&self, cx: &App) -> Pixels {
 489        let terminal = self.terminal.read(cx);
 490
 491        let Some(block) = self.block_below_cursor.as_ref() else {
 492            return Pixels::ZERO;
 493        };
 494
 495        let line_height = terminal.last_content().terminal_bounds.line_height;
 496        let viewport_lines = terminal.viewport_lines();
 497        let cursor = point_to_viewport(
 498            terminal.last_content.display_offset,
 499            terminal.last_content.cursor.point,
 500        )
 501        .unwrap_or_default();
 502        let max_scroll_top_in_lines =
 503            (block.height as usize).saturating_sub(viewport_lines.saturating_sub(cursor.line + 1));
 504
 505        max_scroll_top_in_lines as f32 * line_height
 506    }
 507
 508    fn scroll_wheel(&mut self, event: &ScrollWheelEvent, cx: &mut Context<Self>) {
 509        let terminal_content = self.terminal.read(cx).last_content();
 510
 511        if self.block_below_cursor.is_some() && terminal_content.display_offset == 0 {
 512            let line_height = terminal_content.terminal_bounds.line_height;
 513            let y_delta = event.delta.pixel_delta(line_height).y;
 514            if y_delta < Pixels::ZERO || self.scroll_top > Pixels::ZERO {
 515                self.scroll_top = cmp::max(
 516                    Pixels::ZERO,
 517                    cmp::min(self.scroll_top - y_delta, self.max_scroll_top(cx)),
 518                );
 519                cx.notify();
 520                return;
 521            }
 522        }
 523        self.terminal.update(cx, |term, _| term.scroll_wheel(event));
 524    }
 525
 526    fn scroll_line_up(&mut self, _: &ScrollLineUp, _: &mut Window, cx: &mut Context<Self>) {
 527        let terminal_content = self.terminal.read(cx).last_content();
 528        if self.block_below_cursor.is_some()
 529            && terminal_content.display_offset == 0
 530            && self.scroll_top > Pixels::ZERO
 531        {
 532            let line_height = terminal_content.terminal_bounds.line_height;
 533            self.scroll_top = cmp::max(self.scroll_top - line_height, Pixels::ZERO);
 534            return;
 535        }
 536
 537        self.terminal.update(cx, |term, _| term.scroll_line_up());
 538        cx.notify();
 539    }
 540
 541    fn scroll_line_down(&mut self, _: &ScrollLineDown, _: &mut Window, cx: &mut Context<Self>) {
 542        let terminal_content = self.terminal.read(cx).last_content();
 543        if self.block_below_cursor.is_some() && terminal_content.display_offset == 0 {
 544            let max_scroll_top = self.max_scroll_top(cx);
 545            if self.scroll_top < max_scroll_top {
 546                let line_height = terminal_content.terminal_bounds.line_height;
 547                self.scroll_top = cmp::min(self.scroll_top + line_height, max_scroll_top);
 548            }
 549            return;
 550        }
 551
 552        self.terminal.update(cx, |term, _| term.scroll_line_down());
 553        cx.notify();
 554    }
 555
 556    fn scroll_page_up(&mut self, _: &ScrollPageUp, _: &mut Window, cx: &mut Context<Self>) {
 557        if self.scroll_top == Pixels::ZERO {
 558            self.terminal.update(cx, |term, _| term.scroll_page_up());
 559        } else {
 560            let line_height = self
 561                .terminal
 562                .read(cx)
 563                .last_content
 564                .terminal_bounds
 565                .line_height();
 566            let visible_block_lines = (self.scroll_top / line_height) as usize;
 567            let viewport_lines = self.terminal.read(cx).viewport_lines();
 568            let visible_content_lines = viewport_lines - visible_block_lines;
 569
 570            if visible_block_lines >= viewport_lines {
 571                self.scroll_top = ((visible_block_lines - viewport_lines) as f32) * line_height;
 572            } else {
 573                self.scroll_top = px(0.);
 574                self.terminal
 575                    .update(cx, |term, _| term.scroll_up_by(visible_content_lines));
 576            }
 577        }
 578        cx.notify();
 579    }
 580
 581    fn scroll_page_down(&mut self, _: &ScrollPageDown, _: &mut Window, cx: &mut Context<Self>) {
 582        self.terminal.update(cx, |term, _| term.scroll_page_down());
 583        let terminal = self.terminal.read(cx);
 584        if terminal.last_content().display_offset < terminal.viewport_lines() {
 585            self.scroll_top = self.max_scroll_top(cx);
 586        }
 587        cx.notify();
 588    }
 589
 590    fn scroll_to_top(&mut self, _: &ScrollToTop, _: &mut Window, cx: &mut Context<Self>) {
 591        self.terminal.update(cx, |term, _| term.scroll_to_top());
 592        cx.notify();
 593    }
 594
 595    fn scroll_to_bottom(&mut self, _: &ScrollToBottom, _: &mut Window, cx: &mut Context<Self>) {
 596        self.terminal.update(cx, |term, _| term.scroll_to_bottom());
 597        if self.block_below_cursor.is_some() {
 598            self.scroll_top = self.max_scroll_top(cx);
 599        }
 600        cx.notify();
 601    }
 602
 603    fn toggle_vi_mode(&mut self, _: &ToggleViMode, _: &mut Window, cx: &mut Context<Self>) {
 604        self.terminal.update(cx, |term, _| term.toggle_vi_mode());
 605        cx.notify();
 606    }
 607
 608    pub fn should_show_cursor(&self, focused: bool, cx: &mut Context<Self>) -> bool {
 609        //Don't blink the cursor when not focused, blinking is disabled, or paused
 610        if !focused
 611            || self.blinking_paused
 612            || self
 613                .terminal
 614                .read(cx)
 615                .last_content
 616                .mode
 617                .contains(TermMode::ALT_SCREEN)
 618        {
 619            return true;
 620        }
 621
 622        match TerminalSettings::get_global(cx).blinking {
 623            //If the user requested to never blink, don't blink it.
 624            TerminalBlink::Off => true,
 625            //If the terminal is controlling it, check terminal mode
 626            TerminalBlink::TerminalControlled => {
 627                !self.blinking_terminal_enabled || self.blink_state
 628            }
 629            TerminalBlink::On => self.blink_state,
 630        }
 631    }
 632
 633    fn blink_cursors(&mut self, epoch: usize, window: &mut Window, cx: &mut Context<Self>) {
 634        if epoch == self.blink_epoch && !self.blinking_paused {
 635            self.blink_state = !self.blink_state;
 636            cx.notify();
 637
 638            let epoch = self.next_blink_epoch();
 639            cx.spawn_in(window, async move |this, cx| {
 640                Timer::after(CURSOR_BLINK_INTERVAL).await;
 641                this.update_in(cx, |this, window, cx| this.blink_cursors(epoch, window, cx))
 642                    .ok();
 643            })
 644            .detach();
 645        }
 646    }
 647
 648    pub fn pause_cursor_blinking(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 649        self.blink_state = true;
 650        cx.notify();
 651
 652        let epoch = self.next_blink_epoch();
 653        cx.spawn_in(window, async move |this, cx| {
 654            Timer::after(CURSOR_BLINK_INTERVAL).await;
 655            this.update_in(cx, |this, window, cx| {
 656                this.resume_cursor_blinking(epoch, window, cx)
 657            })
 658            .ok();
 659        })
 660        .detach();
 661    }
 662
 663    pub fn terminal(&self) -> &Entity<Terminal> {
 664        &self.terminal
 665    }
 666
 667    pub fn set_block_below_cursor(
 668        &mut self,
 669        block: BlockProperties,
 670        window: &mut Window,
 671        cx: &mut Context<Self>,
 672    ) {
 673        self.block_below_cursor = Some(Rc::new(block));
 674        self.scroll_to_bottom(&ScrollToBottom, window, cx);
 675        cx.notify();
 676    }
 677
 678    pub fn clear_block_below_cursor(&mut self, cx: &mut Context<Self>) {
 679        self.block_below_cursor = None;
 680        self.scroll_top = Pixels::ZERO;
 681        cx.notify();
 682    }
 683
 684    fn next_blink_epoch(&mut self) -> usize {
 685        self.blink_epoch += 1;
 686        self.blink_epoch
 687    }
 688
 689    fn resume_cursor_blinking(
 690        &mut self,
 691        epoch: usize,
 692        window: &mut Window,
 693        cx: &mut Context<Self>,
 694    ) {
 695        if epoch == self.blink_epoch {
 696            self.blinking_paused = false;
 697            self.blink_cursors(epoch, window, cx);
 698        }
 699    }
 700
 701    ///Attempt to paste the clipboard into the terminal
 702    fn copy(&mut self, _: &Copy, _: &mut Window, cx: &mut Context<Self>) {
 703        self.terminal.update(cx, |term, _| term.copy(None));
 704        cx.notify();
 705    }
 706
 707    ///Attempt to paste the clipboard into the terminal
 708    fn paste(&mut self, _: &Paste, _: &mut Window, cx: &mut Context<Self>) {
 709        if let Some(clipboard_string) = cx.read_from_clipboard().and_then(|item| item.text()) {
 710            self.terminal
 711                .update(cx, |terminal, _cx| terminal.paste(&clipboard_string));
 712        }
 713    }
 714
 715    fn send_text(&mut self, text: &SendText, _: &mut Window, cx: &mut Context<Self>) {
 716        self.clear_bell(cx);
 717        self.terminal.update(cx, |term, _| {
 718            term.input(text.0.to_string().into_bytes());
 719        });
 720    }
 721
 722    fn send_keystroke(&mut self, text: &SendKeystroke, _: &mut Window, cx: &mut Context<Self>) {
 723        if let Some(keystroke) = Keystroke::parse(&text.0).log_err() {
 724            self.clear_bell(cx);
 725            self.terminal.update(cx, |term, cx| {
 726                let processed =
 727                    term.try_keystroke(&keystroke, TerminalSettings::get_global(cx).option_as_meta);
 728                if processed && term.vi_mode_enabled() {
 729                    cx.notify();
 730                }
 731                processed
 732            });
 733        }
 734    }
 735
 736    fn dispatch_context(&self, cx: &App) -> KeyContext {
 737        let mut dispatch_context = KeyContext::new_with_defaults();
 738        dispatch_context.add("Terminal");
 739
 740        if self.terminal.read(cx).vi_mode_enabled() {
 741            dispatch_context.add("vi_mode");
 742        }
 743
 744        let mode = self.terminal.read(cx).last_content.mode;
 745        dispatch_context.set(
 746            "screen",
 747            if mode.contains(TermMode::ALT_SCREEN) {
 748                "alt"
 749            } else {
 750                "normal"
 751            },
 752        );
 753
 754        if mode.contains(TermMode::APP_CURSOR) {
 755            dispatch_context.add("DECCKM");
 756        }
 757        if mode.contains(TermMode::APP_KEYPAD) {
 758            dispatch_context.add("DECPAM");
 759        } else {
 760            dispatch_context.add("DECPNM");
 761        }
 762        if mode.contains(TermMode::SHOW_CURSOR) {
 763            dispatch_context.add("DECTCEM");
 764        }
 765        if mode.contains(TermMode::LINE_WRAP) {
 766            dispatch_context.add("DECAWM");
 767        }
 768        if mode.contains(TermMode::ORIGIN) {
 769            dispatch_context.add("DECOM");
 770        }
 771        if mode.contains(TermMode::INSERT) {
 772            dispatch_context.add("IRM");
 773        }
 774        //LNM is apparently the name for this. https://vt100.net/docs/vt510-rm/LNM.html
 775        if mode.contains(TermMode::LINE_FEED_NEW_LINE) {
 776            dispatch_context.add("LNM");
 777        }
 778        if mode.contains(TermMode::FOCUS_IN_OUT) {
 779            dispatch_context.add("report_focus");
 780        }
 781        if mode.contains(TermMode::ALTERNATE_SCROLL) {
 782            dispatch_context.add("alternate_scroll");
 783        }
 784        if mode.contains(TermMode::BRACKETED_PASTE) {
 785            dispatch_context.add("bracketed_paste");
 786        }
 787        if mode.intersects(TermMode::MOUSE_MODE) {
 788            dispatch_context.add("any_mouse_reporting");
 789        }
 790        {
 791            let mouse_reporting = if mode.contains(TermMode::MOUSE_REPORT_CLICK) {
 792                "click"
 793            } else if mode.contains(TermMode::MOUSE_DRAG) {
 794                "drag"
 795            } else if mode.contains(TermMode::MOUSE_MOTION) {
 796                "motion"
 797            } else {
 798                "off"
 799            };
 800            dispatch_context.set("mouse_reporting", mouse_reporting);
 801        }
 802        {
 803            let format = if mode.contains(TermMode::SGR_MOUSE) {
 804                "sgr"
 805            } else if mode.contains(TermMode::UTF8_MOUSE) {
 806                "utf8"
 807            } else {
 808                "normal"
 809            };
 810            dispatch_context.set("mouse_format", format);
 811        };
 812
 813        if self.terminal.read(cx).last_content.selection.is_some() {
 814            dispatch_context.add("selection");
 815        }
 816
 817        dispatch_context
 818    }
 819
 820    fn set_terminal(
 821        &mut self,
 822        terminal: Entity<Terminal>,
 823        window: &mut Window,
 824        cx: &mut Context<TerminalView>,
 825    ) {
 826        self._terminal_subscriptions =
 827            subscribe_for_terminal_events(&terminal, self.workspace.clone(), window, cx);
 828        self.terminal = terminal;
 829    }
 830
 831    fn rerun_button(task: &TaskState) -> Option<IconButton> {
 832        if !task.spawned_task.show_rerun {
 833            return None;
 834        }
 835
 836        let task_id = task.spawned_task.id.clone();
 837        Some(
 838            IconButton::new("rerun-icon", IconName::Rerun)
 839                .icon_size(IconSize::Small)
 840                .size(ButtonSize::Compact)
 841                .icon_color(Color::Default)
 842                .shape(ui::IconButtonShape::Square)
 843                .tooltip(move |window, cx| {
 844                    Tooltip::for_action("Rerun task", &RerunTask, window, cx)
 845                })
 846                .on_click(move |_, window, cx| {
 847                    window.dispatch_action(Box::new(terminal_rerun_override(&task_id)), cx);
 848                }),
 849        )
 850    }
 851}
 852
 853fn terminal_rerun_override(task: &TaskId) -> zed_actions::Rerun {
 854    zed_actions::Rerun {
 855        task_id: Some(task.0.clone()),
 856        allow_concurrent_runs: Some(true),
 857        use_new_terminal: Some(false),
 858        reevaluate_context: false,
 859    }
 860}
 861
 862fn subscribe_for_terminal_events(
 863    terminal: &Entity<Terminal>,
 864    workspace: WeakEntity<Workspace>,
 865    window: &mut Window,
 866    cx: &mut Context<TerminalView>,
 867) -> Vec<Subscription> {
 868    let terminal_subscription = cx.observe(terminal, |_, _, cx| cx.notify());
 869    let mut previous_cwd = None;
 870    let terminal_events_subscription = cx.subscribe_in(
 871        terminal,
 872        window,
 873        move |terminal_view, terminal, event, window, cx| {
 874            let current_cwd = terminal.read(cx).working_directory();
 875            if current_cwd != previous_cwd {
 876                previous_cwd = current_cwd;
 877                terminal_view.cwd_serialized = false;
 878            }
 879
 880            match event {
 881                Event::Wakeup => {
 882                    cx.notify();
 883                    cx.emit(Event::Wakeup);
 884                    cx.emit(ItemEvent::UpdateTab);
 885                    cx.emit(SearchEvent::MatchesInvalidated);
 886                }
 887
 888                Event::Bell => {
 889                    terminal_view.has_bell = true;
 890                    cx.emit(Event::Wakeup);
 891                }
 892
 893                Event::BlinkChanged(blinking) => {
 894                    if matches!(
 895                        TerminalSettings::get_global(cx).blinking,
 896                        TerminalBlink::TerminalControlled
 897                    ) {
 898                        terminal_view.blinking_terminal_enabled = *blinking;
 899                    }
 900                }
 901
 902                Event::TitleChanged => {
 903                    cx.emit(ItemEvent::UpdateTab);
 904                }
 905
 906                Event::NewNavigationTarget(maybe_navigation_target) => {
 907                    match maybe_navigation_target
 908                        .as_ref()
 909                        .zip(terminal.read(cx).last_content.last_hovered_word.as_ref())
 910                    {
 911                        Some((MaybeNavigationTarget::Url(url), hovered_word)) => {
 912                            if Some(hovered_word)
 913                                != terminal_view
 914                                    .hover
 915                                    .as_ref()
 916                                    .map(|hover| &hover.hovered_word)
 917                            {
 918                                terminal_view.hover = Some(HoverTarget {
 919                                    tooltip: url.clone(),
 920                                    hovered_word: hovered_word.clone(),
 921                                });
 922                                terminal_view.hover_tooltip_update = Task::ready(());
 923                                cx.notify();
 924                            }
 925                        }
 926                        Some((MaybeNavigationTarget::PathLike(path_like_target), hovered_word)) => {
 927                            if Some(hovered_word)
 928                                != terminal_view
 929                                    .hover
 930                                    .as_ref()
 931                                    .map(|hover| &hover.hovered_word)
 932                            {
 933                                terminal_view.hover = None;
 934                                terminal_view.hover_tooltip_update = hover_path_like_target(
 935                                    &workspace,
 936                                    hovered_word.clone(),
 937                                    path_like_target,
 938                                    cx,
 939                                );
 940                                cx.notify();
 941                            }
 942                        }
 943                        None => {
 944                            terminal_view.hover = None;
 945                            terminal_view.hover_tooltip_update = Task::ready(());
 946                            cx.notify();
 947                        }
 948                    }
 949                }
 950
 951                Event::Open(maybe_navigation_target) => match maybe_navigation_target {
 952                    MaybeNavigationTarget::Url(url) => cx.open_url(url),
 953                    MaybeNavigationTarget::PathLike(path_like_target) => open_path_like_target(
 954                        &workspace,
 955                        terminal_view,
 956                        path_like_target,
 957                        window,
 958                        cx,
 959                    ),
 960                },
 961                Event::BreadcrumbsChanged => cx.emit(ItemEvent::UpdateBreadcrumbs),
 962                Event::CloseTerminal => cx.emit(ItemEvent::CloseItem),
 963                Event::SelectionsChanged => {
 964                    window.invalidate_character_coordinates();
 965                    cx.emit(SearchEvent::ActiveMatchChanged)
 966                }
 967            }
 968        },
 969    );
 970    vec![terminal_subscription, terminal_events_subscription]
 971}
 972
 973fn regex_search_for_query(query: &project::search::SearchQuery) -> Option<RegexSearch> {
 974    let str = query.as_str();
 975    if query.is_regex() {
 976        if str == "." {
 977            return None;
 978        }
 979        RegexSearch::new(str).ok()
 980    } else {
 981        RegexSearch::new(&regex::escape(str)).ok()
 982    }
 983}
 984
 985struct TerminalScrollbarSettingsWrapper;
 986
 987impl GlobalSetting for TerminalScrollbarSettingsWrapper {
 988    fn get_value(_cx: &App) -> &Self {
 989        &Self
 990    }
 991}
 992
 993impl ScrollbarVisibility for TerminalScrollbarSettingsWrapper {
 994    fn visibility(&self, cx: &App) -> scrollbars::ShowScrollbar {
 995        TerminalSettings::get_global(cx)
 996            .scrollbar
 997            .show
 998            .map(Into::into)
 999            .unwrap_or_else(|| EditorSettings::get_global(cx).scrollbar.show)
1000    }
1001}
1002
1003impl TerminalView {
1004    fn key_down(&mut self, event: &KeyDownEvent, window: &mut Window, cx: &mut Context<Self>) {
1005        self.clear_bell(cx);
1006        self.pause_cursor_blinking(window, cx);
1007
1008        self.terminal.update(cx, |term, cx| {
1009            let handled = term.try_keystroke(
1010                &event.keystroke,
1011                TerminalSettings::get_global(cx).option_as_meta,
1012            );
1013            if handled {
1014                cx.stop_propagation();
1015            }
1016        });
1017    }
1018
1019    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1020        self.terminal.update(cx, |terminal, _| {
1021            terminal.set_cursor_shape(self.cursor_shape);
1022            terminal.focus_in();
1023        });
1024        self.blink_cursors(self.blink_epoch, window, cx);
1025        window.invalidate_character_coordinates();
1026        cx.notify();
1027    }
1028
1029    fn focus_out(&mut self, _: &mut Window, cx: &mut Context<Self>) {
1030        self.terminal.update(cx, |terminal, _| {
1031            terminal.focus_out();
1032            terminal.set_cursor_shape(CursorShape::Hollow);
1033        });
1034        cx.notify();
1035    }
1036}
1037
1038impl Render for TerminalView {
1039    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1040        // TODO: this should be moved out of render
1041        self.scroll_handle.update(self.terminal.read(cx));
1042
1043        if let Some(new_display_offset) = self.scroll_handle.future_display_offset.take() {
1044            self.terminal.update(cx, |term, _| {
1045                let delta = new_display_offset as i32 - term.last_content.display_offset as i32;
1046                match delta.cmp(&0) {
1047                    std::cmp::Ordering::Greater => term.scroll_up_by(delta as usize),
1048                    std::cmp::Ordering::Less => term.scroll_down_by(-delta as usize),
1049                    std::cmp::Ordering::Equal => {}
1050                }
1051            });
1052        }
1053
1054        let terminal_handle = self.terminal.clone();
1055        let terminal_view_handle = cx.entity();
1056
1057        let focused = self.focus_handle.is_focused(window);
1058
1059        div()
1060            .id("terminal-view")
1061            .size_full()
1062            .relative()
1063            .track_focus(&self.focus_handle(cx))
1064            .key_context(self.dispatch_context(cx))
1065            .on_action(cx.listener(TerminalView::send_text))
1066            .on_action(cx.listener(TerminalView::send_keystroke))
1067            .on_action(cx.listener(TerminalView::copy))
1068            .on_action(cx.listener(TerminalView::paste))
1069            .on_action(cx.listener(TerminalView::clear))
1070            .on_action(cx.listener(TerminalView::scroll_line_up))
1071            .on_action(cx.listener(TerminalView::scroll_line_down))
1072            .on_action(cx.listener(TerminalView::scroll_page_up))
1073            .on_action(cx.listener(TerminalView::scroll_page_down))
1074            .on_action(cx.listener(TerminalView::scroll_to_top))
1075            .on_action(cx.listener(TerminalView::scroll_to_bottom))
1076            .on_action(cx.listener(TerminalView::toggle_vi_mode))
1077            .on_action(cx.listener(TerminalView::show_character_palette))
1078            .on_action(cx.listener(TerminalView::select_all))
1079            .on_action(cx.listener(TerminalView::rerun_task))
1080            .on_key_down(cx.listener(Self::key_down))
1081            .on_mouse_down(
1082                MouseButton::Right,
1083                cx.listener(|this, event: &MouseDownEvent, window, cx| {
1084                    if !this.terminal.read(cx).mouse_mode(event.modifiers.shift) {
1085                        if this.terminal.read(cx).last_content.selection.is_none() {
1086                            this.terminal.update(cx, |terminal, _| {
1087                                terminal.select_word_at_event_position(event);
1088                            });
1089                        };
1090                        this.deploy_context_menu(event.position, window, cx);
1091                        cx.notify();
1092                    }
1093                }),
1094            )
1095            .child(
1096                // TODO: Oddly this wrapper div is needed for TerminalElement to not steal events from the context menu
1097                div()
1098                    .id("terminal-view-container")
1099                    .size_full()
1100                    .bg(cx.theme().colors().editor_background)
1101                    .child(TerminalElement::new(
1102                        terminal_handle,
1103                        terminal_view_handle,
1104                        self.workspace.clone(),
1105                        self.focus_handle.clone(),
1106                        focused,
1107                        self.should_show_cursor(focused, cx),
1108                        self.block_below_cursor.clone(),
1109                        self.mode.clone(),
1110                    ))
1111                    .when(self.content_mode(window, cx).is_scrollable(), |div| {
1112                        div.custom_scrollbars(
1113                            Scrollbars::for_settings::<TerminalScrollbarSettingsWrapper>()
1114                                .show_along(ScrollAxes::Vertical)
1115                                .with_track_along(
1116                                    ScrollAxes::Vertical,
1117                                    cx.theme().colors().editor_background,
1118                                )
1119                                .tracked_scroll_handle(self.scroll_handle.clone()),
1120                            window,
1121                            cx,
1122                        )
1123                    }),
1124            )
1125            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
1126                deferred(
1127                    anchored()
1128                        .position(*position)
1129                        .anchor(gpui::Corner::TopLeft)
1130                        .child(menu.clone()),
1131                )
1132                .with_priority(1)
1133            }))
1134    }
1135}
1136
1137impl Item for TerminalView {
1138    type Event = ItemEvent;
1139
1140    fn tab_tooltip_content(&self, cx: &App) -> Option<TabTooltipContent> {
1141        let terminal = self.terminal().read(cx);
1142        let title = terminal.title(false);
1143        let pid = terminal.pid_getter()?.fallback_pid();
1144
1145        Some(TabTooltipContent::Custom(Box::new(move |_window, cx| {
1146            cx.new(|_| TerminalTooltip::new(title.clone(), pid)).into()
1147        })))
1148    }
1149
1150    fn tab_content(&self, params: TabContentParams, _window: &Window, cx: &App) -> AnyElement {
1151        let terminal = self.terminal().read(cx);
1152        let title = terminal.title(true);
1153
1154        let (icon, icon_color, rerun_button) = match terminal.task() {
1155            Some(terminal_task) => match &terminal_task.status {
1156                TaskStatus::Running => (
1157                    IconName::PlayFilled,
1158                    Color::Disabled,
1159                    TerminalView::rerun_button(terminal_task),
1160                ),
1161                TaskStatus::Unknown => (
1162                    IconName::Warning,
1163                    Color::Warning,
1164                    TerminalView::rerun_button(terminal_task),
1165                ),
1166                TaskStatus::Completed { success } => {
1167                    let rerun_button = TerminalView::rerun_button(terminal_task);
1168
1169                    if *success {
1170                        (IconName::Check, Color::Success, rerun_button)
1171                    } else {
1172                        (IconName::XCircle, Color::Error, rerun_button)
1173                    }
1174                }
1175            },
1176            None => (IconName::Terminal, Color::Muted, None),
1177        };
1178
1179        h_flex()
1180            .gap_1()
1181            .group("term-tab-icon")
1182            .child(
1183                h_flex()
1184                    .group("term-tab-icon")
1185                    .child(
1186                        div()
1187                            .when(rerun_button.is_some(), |this| {
1188                                this.hover(|style| style.invisible().w_0())
1189                            })
1190                            .child(Icon::new(icon).color(icon_color)),
1191                    )
1192                    .when_some(rerun_button, |this, rerun_button| {
1193                        this.child(
1194                            div()
1195                                .absolute()
1196                                .visible_on_hover("term-tab-icon")
1197                                .child(rerun_button),
1198                        )
1199                    }),
1200            )
1201            .child(Label::new(title).color(params.text_color()))
1202            .into_any()
1203    }
1204
1205    fn tab_content_text(&self, detail: usize, cx: &App) -> SharedString {
1206        let terminal = self.terminal().read(cx);
1207        terminal.title(detail == 0).into()
1208    }
1209
1210    fn telemetry_event_text(&self) -> Option<&'static str> {
1211        None
1212    }
1213
1214    fn clone_on_split(
1215        &self,
1216        workspace_id: Option<WorkspaceId>,
1217        window: &mut Window,
1218        cx: &mut Context<Self>,
1219    ) -> Option<Entity<Self>> {
1220        let terminal = self
1221            .project
1222            .update(cx, |project, cx| {
1223                let cwd = project
1224                    .active_project_directory(cx)
1225                    .map(|it| it.to_path_buf());
1226                project.clone_terminal(self.terminal(), cx, cwd)
1227            })
1228            .ok()?
1229            .log_err()?;
1230
1231        Some(cx.new(|cx| {
1232            TerminalView::new(
1233                terminal,
1234                self.workspace.clone(),
1235                workspace_id,
1236                self.project.clone(),
1237                window,
1238                cx,
1239            )
1240        }))
1241    }
1242
1243    fn is_dirty(&self, cx: &gpui::App) -> bool {
1244        match self.terminal.read(cx).task() {
1245            Some(task) => task.status == TaskStatus::Running,
1246            None => self.has_bell(),
1247        }
1248    }
1249
1250    fn has_conflict(&self, _cx: &App) -> bool {
1251        false
1252    }
1253
1254    fn can_save_as(&self, _cx: &App) -> bool {
1255        false
1256    }
1257
1258    fn as_searchable(&self, handle: &Entity<Self>) -> Option<Box<dyn SearchableItemHandle>> {
1259        Some(Box::new(handle.clone()))
1260    }
1261
1262    fn breadcrumb_location(&self, cx: &App) -> ToolbarItemLocation {
1263        if self.show_breadcrumbs && !self.terminal().read(cx).breadcrumb_text.trim().is_empty() {
1264            ToolbarItemLocation::PrimaryLeft
1265        } else {
1266            ToolbarItemLocation::Hidden
1267        }
1268    }
1269
1270    fn breadcrumbs(&self, _: &theme::Theme, cx: &App) -> Option<Vec<BreadcrumbText>> {
1271        Some(vec![BreadcrumbText {
1272            text: self.terminal().read(cx).breadcrumb_text.clone(),
1273            highlights: None,
1274            font: None,
1275        }])
1276    }
1277
1278    fn added_to_workspace(
1279        &mut self,
1280        workspace: &mut Workspace,
1281        _: &mut Window,
1282        cx: &mut Context<Self>,
1283    ) {
1284        if self.terminal().read(cx).task().is_none() {
1285            if let Some((new_id, old_id)) = workspace.database_id().zip(self.workspace_id) {
1286                log::debug!(
1287                    "Updating workspace id for the terminal, old: {old_id:?}, new: {new_id:?}",
1288                );
1289                cx.background_spawn(TERMINAL_DB.update_workspace_id(
1290                    new_id,
1291                    old_id,
1292                    cx.entity_id().as_u64(),
1293                ))
1294                .detach();
1295            }
1296            self.workspace_id = workspace.database_id();
1297        }
1298    }
1299
1300    fn to_item_events(event: &Self::Event, mut f: impl FnMut(ItemEvent)) {
1301        f(*event)
1302    }
1303}
1304
1305impl SerializableItem for TerminalView {
1306    fn serialized_item_kind() -> &'static str {
1307        "Terminal"
1308    }
1309
1310    fn cleanup(
1311        workspace_id: WorkspaceId,
1312        alive_items: Vec<workspace::ItemId>,
1313        _window: &mut Window,
1314        cx: &mut App,
1315    ) -> Task<anyhow::Result<()>> {
1316        delete_unloaded_items(alive_items, workspace_id, "terminals", &TERMINAL_DB, cx)
1317    }
1318
1319    fn serialize(
1320        &mut self,
1321        _workspace: &mut Workspace,
1322        item_id: workspace::ItemId,
1323        _closing: bool,
1324        _: &mut Window,
1325        cx: &mut Context<Self>,
1326    ) -> Option<Task<anyhow::Result<()>>> {
1327        let terminal = self.terminal().read(cx);
1328        if terminal.task().is_some() {
1329            return None;
1330        }
1331
1332        if let Some((cwd, workspace_id)) = terminal.working_directory().zip(self.workspace_id) {
1333            self.cwd_serialized = true;
1334            Some(cx.background_spawn(async move {
1335                TERMINAL_DB
1336                    .save_working_directory(item_id, workspace_id, cwd)
1337                    .await
1338            }))
1339        } else {
1340            None
1341        }
1342    }
1343
1344    fn should_serialize(&self, _: &Self::Event) -> bool {
1345        !self.cwd_serialized
1346    }
1347
1348    fn deserialize(
1349        project: Entity<Project>,
1350        workspace: WeakEntity<Workspace>,
1351        workspace_id: workspace::WorkspaceId,
1352        item_id: workspace::ItemId,
1353        window: &mut Window,
1354        cx: &mut App,
1355    ) -> Task<anyhow::Result<Entity<Self>>> {
1356        window.spawn(cx, async move |cx| {
1357            let cwd = cx
1358                .update(|_window, cx| {
1359                    let from_db = TERMINAL_DB
1360                        .get_working_directory(item_id, workspace_id)
1361                        .log_err()
1362                        .flatten();
1363                    if from_db
1364                        .as_ref()
1365                        .is_some_and(|from_db| !from_db.as_os_str().is_empty())
1366                    {
1367                        from_db
1368                    } else {
1369                        workspace
1370                            .upgrade()
1371                            .and_then(|workspace| default_working_directory(workspace.read(cx), cx))
1372                    }
1373                })
1374                .ok()
1375                .flatten();
1376
1377            let terminal = project
1378                .update(cx, |project, cx| project.create_terminal_shell(cwd, cx))?
1379                .await?;
1380            cx.update(|window, cx| {
1381                cx.new(|cx| {
1382                    TerminalView::new(
1383                        terminal,
1384                        workspace,
1385                        Some(workspace_id),
1386                        project.downgrade(),
1387                        window,
1388                        cx,
1389                    )
1390                })
1391            })
1392        })
1393    }
1394}
1395
1396impl SearchableItem for TerminalView {
1397    type Match = RangeInclusive<Point>;
1398
1399    fn supported_options(&self) -> SearchOptions {
1400        SearchOptions {
1401            case: false,
1402            word: false,
1403            regex: true,
1404            replacement: false,
1405            selection: false,
1406            find_in_results: false,
1407        }
1408    }
1409
1410    /// Clear stored matches
1411    fn clear_matches(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
1412        self.terminal().update(cx, |term, _| term.matches.clear())
1413    }
1414
1415    /// Store matches returned from find_matches somewhere for rendering
1416    fn update_matches(
1417        &mut self,
1418        matches: &[Self::Match],
1419        _window: &mut Window,
1420        cx: &mut Context<Self>,
1421    ) {
1422        self.terminal()
1423            .update(cx, |term, _| term.matches = matches.to_vec())
1424    }
1425
1426    /// Returns the selection content to pre-load into this search
1427    fn query_suggestion(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> String {
1428        self.terminal()
1429            .read(cx)
1430            .last_content
1431            .selection_text
1432            .clone()
1433            .unwrap_or_default()
1434    }
1435
1436    /// Focus match at given index into the Vec of matches
1437    fn activate_match(
1438        &mut self,
1439        index: usize,
1440        _: &[Self::Match],
1441        _window: &mut Window,
1442        cx: &mut Context<Self>,
1443    ) {
1444        self.terminal()
1445            .update(cx, |term, _| term.activate_match(index));
1446        cx.notify();
1447    }
1448
1449    /// Add selections for all matches given.
1450    fn select_matches(&mut self, matches: &[Self::Match], _: &mut Window, cx: &mut Context<Self>) {
1451        self.terminal()
1452            .update(cx, |term, _| term.select_matches(matches));
1453        cx.notify();
1454    }
1455
1456    /// Get all of the matches for this query, should be done on the background
1457    fn find_matches(
1458        &mut self,
1459        query: Arc<SearchQuery>,
1460        _: &mut Window,
1461        cx: &mut Context<Self>,
1462    ) -> Task<Vec<Self::Match>> {
1463        if let Some(s) = regex_search_for_query(&query) {
1464            self.terminal()
1465                .update(cx, |term, cx| term.find_matches(s, cx))
1466        } else {
1467            Task::ready(vec![])
1468        }
1469    }
1470
1471    /// Reports back to the search toolbar what the active match should be (the selection)
1472    fn active_match_index(
1473        &mut self,
1474        direction: Direction,
1475        matches: &[Self::Match],
1476        _: &mut Window,
1477        cx: &mut Context<Self>,
1478    ) -> Option<usize> {
1479        // Selection head might have a value if there's a selection that isn't
1480        // associated with a match. Therefore, if there are no matches, we should
1481        // report None, no matter the state of the terminal
1482
1483        if !matches.is_empty() {
1484            if let Some(selection_head) = self.terminal().read(cx).selection_head {
1485                // If selection head is contained in a match. Return that match
1486                match direction {
1487                    Direction::Prev => {
1488                        // If no selection before selection head, return the first match
1489                        Some(
1490                            matches
1491                                .iter()
1492                                .enumerate()
1493                                .rev()
1494                                .find(|(_, search_match)| {
1495                                    search_match.contains(&selection_head)
1496                                        || search_match.start() < &selection_head
1497                                })
1498                                .map(|(ix, _)| ix)
1499                                .unwrap_or(0),
1500                        )
1501                    }
1502                    Direction::Next => {
1503                        // If no selection after selection head, return the last match
1504                        Some(
1505                            matches
1506                                .iter()
1507                                .enumerate()
1508                                .find(|(_, search_match)| {
1509                                    search_match.contains(&selection_head)
1510                                        || search_match.start() > &selection_head
1511                                })
1512                                .map(|(ix, _)| ix)
1513                                .unwrap_or(matches.len().saturating_sub(1)),
1514                        )
1515                    }
1516                }
1517            } else {
1518                // Matches found but no active selection, return the first last one (closest to cursor)
1519                Some(matches.len().saturating_sub(1))
1520            }
1521        } else {
1522            None
1523        }
1524    }
1525    fn replace(
1526        &mut self,
1527        _: &Self::Match,
1528        _: &SearchQuery,
1529        _window: &mut Window,
1530        _: &mut Context<Self>,
1531    ) {
1532        // Replacement is not supported in terminal view, so this is a no-op.
1533    }
1534}
1535
1536///Gets the working directory for the given workspace, respecting the user's settings.
1537/// None implies "~" on whichever machine we end up on.
1538pub(crate) fn default_working_directory(workspace: &Workspace, cx: &App) -> Option<PathBuf> {
1539    match &TerminalSettings::get_global(cx).working_directory {
1540        WorkingDirectory::CurrentProjectDirectory => workspace
1541            .project()
1542            .read(cx)
1543            .active_project_directory(cx)
1544            .as_deref()
1545            .map(Path::to_path_buf),
1546        WorkingDirectory::FirstProjectDirectory => first_project_directory(workspace, cx),
1547        WorkingDirectory::AlwaysHome => None,
1548        WorkingDirectory::Always { directory } => {
1549            shellexpand::full(&directory) //TODO handle this better
1550                .ok()
1551                .map(|dir| Path::new(&dir.to_string()).to_path_buf())
1552                .filter(|dir| dir.is_dir())
1553        }
1554    }
1555}
1556///Gets the first project's home directory, or the home directory
1557fn first_project_directory(workspace: &Workspace, cx: &App) -> Option<PathBuf> {
1558    let worktree = workspace.worktrees(cx).next()?.read(cx);
1559    if !worktree.root_entry()?.is_dir() {
1560        return None;
1561    }
1562    Some(worktree.abs_path().to_path_buf())
1563}
1564
1565#[cfg(test)]
1566mod tests {
1567    use super::*;
1568    use gpui::TestAppContext;
1569    use project::{Entry, Project, ProjectPath, Worktree};
1570    use std::path::Path;
1571    use util::rel_path::RelPath;
1572    use workspace::AppState;
1573
1574    // Working directory calculation tests
1575
1576    // No Worktrees in project -> home_dir()
1577    #[gpui::test]
1578    async fn no_worktree(cx: &mut TestAppContext) {
1579        let (project, workspace) = init_test(cx).await;
1580        cx.read(|cx| {
1581            let workspace = workspace.read(cx);
1582            let active_entry = project.read(cx).active_entry();
1583
1584            //Make sure environment is as expected
1585            assert!(active_entry.is_none());
1586            assert!(workspace.worktrees(cx).next().is_none());
1587
1588            let res = default_working_directory(workspace, cx);
1589            assert_eq!(res, None);
1590            let res = first_project_directory(workspace, cx);
1591            assert_eq!(res, None);
1592        });
1593    }
1594
1595    // No active entry, but a worktree, worktree is a file -> home_dir()
1596    #[gpui::test]
1597    async fn no_active_entry_worktree_is_file(cx: &mut TestAppContext) {
1598        let (project, workspace) = init_test(cx).await;
1599
1600        create_file_wt(project.clone(), "/root.txt", cx).await;
1601        cx.read(|cx| {
1602            let workspace = workspace.read(cx);
1603            let active_entry = project.read(cx).active_entry();
1604
1605            //Make sure environment is as expected
1606            assert!(active_entry.is_none());
1607            assert!(workspace.worktrees(cx).next().is_some());
1608
1609            let res = default_working_directory(workspace, cx);
1610            assert_eq!(res, None);
1611            let res = first_project_directory(workspace, cx);
1612            assert_eq!(res, None);
1613        });
1614    }
1615
1616    // No active entry, but a worktree, worktree is a folder -> worktree_folder
1617    #[gpui::test]
1618    async fn no_active_entry_worktree_is_dir(cx: &mut TestAppContext) {
1619        let (project, workspace) = init_test(cx).await;
1620
1621        let (_wt, _entry) = create_folder_wt(project.clone(), "/root/", cx).await;
1622        cx.update(|cx| {
1623            let workspace = workspace.read(cx);
1624            let active_entry = project.read(cx).active_entry();
1625
1626            assert!(active_entry.is_none());
1627            assert!(workspace.worktrees(cx).next().is_some());
1628
1629            let res = default_working_directory(workspace, cx);
1630            assert_eq!(res, Some((Path::new("/root/")).to_path_buf()));
1631            let res = first_project_directory(workspace, cx);
1632            assert_eq!(res, Some((Path::new("/root/")).to_path_buf()));
1633        });
1634    }
1635
1636    // Active entry with a work tree, worktree is a file -> worktree_folder()
1637    #[gpui::test]
1638    async fn active_entry_worktree_is_file(cx: &mut TestAppContext) {
1639        let (project, workspace) = init_test(cx).await;
1640
1641        let (_wt, _entry) = create_folder_wt(project.clone(), "/root1/", cx).await;
1642        let (wt2, entry2) = create_file_wt(project.clone(), "/root2.txt", cx).await;
1643        insert_active_entry_for(wt2, entry2, project.clone(), cx);
1644
1645        cx.update(|cx| {
1646            let workspace = workspace.read(cx);
1647            let active_entry = project.read(cx).active_entry();
1648
1649            assert!(active_entry.is_some());
1650
1651            let res = default_working_directory(workspace, cx);
1652            assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
1653            let res = first_project_directory(workspace, cx);
1654            assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
1655        });
1656    }
1657
1658    // Active entry, with a worktree, worktree is a folder -> worktree_folder
1659    #[gpui::test]
1660    async fn active_entry_worktree_is_dir(cx: &mut TestAppContext) {
1661        let (project, workspace) = init_test(cx).await;
1662
1663        let (_wt, _entry) = create_folder_wt(project.clone(), "/root1/", cx).await;
1664        let (wt2, entry2) = create_folder_wt(project.clone(), "/root2/", cx).await;
1665        insert_active_entry_for(wt2, entry2, project.clone(), cx);
1666
1667        cx.update(|cx| {
1668            let workspace = workspace.read(cx);
1669            let active_entry = project.read(cx).active_entry();
1670
1671            assert!(active_entry.is_some());
1672
1673            let res = default_working_directory(workspace, cx);
1674            assert_eq!(res, Some((Path::new("/root2/")).to_path_buf()));
1675            let res = first_project_directory(workspace, cx);
1676            assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
1677        });
1678    }
1679
1680    /// Creates a worktree with 1 file: /root.txt
1681    pub async fn init_test(cx: &mut TestAppContext) -> (Entity<Project>, Entity<Workspace>) {
1682        let params = cx.update(AppState::test);
1683        cx.update(|cx| {
1684            terminal::init(cx);
1685            theme::init(theme::LoadThemes::JustBase, cx);
1686            Project::init_settings(cx);
1687            language::init(cx);
1688        });
1689
1690        let project = Project::test(params.fs.clone(), [], cx).await;
1691        let workspace = cx
1692            .add_window(|window, cx| Workspace::test_new(project.clone(), window, cx))
1693            .root(cx)
1694            .unwrap();
1695
1696        (project, workspace)
1697    }
1698
1699    /// Creates a worktree with 1 folder: /root{suffix}/
1700    async fn create_folder_wt(
1701        project: Entity<Project>,
1702        path: impl AsRef<Path>,
1703        cx: &mut TestAppContext,
1704    ) -> (Entity<Worktree>, Entry) {
1705        create_wt(project, true, path, cx).await
1706    }
1707
1708    /// Creates a worktree with 1 file: /root{suffix}.txt
1709    async fn create_file_wt(
1710        project: Entity<Project>,
1711        path: impl AsRef<Path>,
1712        cx: &mut TestAppContext,
1713    ) -> (Entity<Worktree>, Entry) {
1714        create_wt(project, false, path, cx).await
1715    }
1716
1717    async fn create_wt(
1718        project: Entity<Project>,
1719        is_dir: bool,
1720        path: impl AsRef<Path>,
1721        cx: &mut TestAppContext,
1722    ) -> (Entity<Worktree>, Entry) {
1723        let (wt, _) = project
1724            .update(cx, |project, cx| {
1725                project.find_or_create_worktree(path, true, cx)
1726            })
1727            .await
1728            .unwrap();
1729
1730        let entry = cx
1731            .update(|cx| {
1732                wt.update(cx, |wt, cx| {
1733                    wt.create_entry(RelPath::empty().into(), is_dir, None, cx)
1734                })
1735            })
1736            .await
1737            .unwrap()
1738            .into_included()
1739            .unwrap();
1740
1741        (wt, entry)
1742    }
1743
1744    pub fn insert_active_entry_for(
1745        wt: Entity<Worktree>,
1746        entry: Entry,
1747        project: Entity<Project>,
1748        cx: &mut TestAppContext,
1749    ) {
1750        cx.update(|cx| {
1751            let p = ProjectPath {
1752                worktree_id: wt.read(cx).id(),
1753                path: entry.path,
1754            };
1755            project.update(cx, |project, cx| project.set_active_path(Some(p), cx));
1756        });
1757    }
1758}