terminal_view.rs

   1mod persistence;
   2pub mod terminal_element;
   3pub mod terminal_panel;
   4
   5use collections::HashSet;
   6use editor::{scroll::Autoscroll, Editor};
   7use futures::{stream::FuturesUnordered, StreamExt};
   8use gpui::{
   9    div, impl_actions, overlay, AnyElement, AppContext, DismissEvent, EventEmitter, FocusHandle,
  10    FocusableView, KeyContext, KeyDownEvent, Keystroke, Model, MouseButton, MouseDownEvent, Pixels,
  11    Render, Styled, Subscription, Task, View, VisualContext, WeakView,
  12};
  13use language::Bias;
  14use persistence::TERMINAL_DB;
  15use project::{search::SearchQuery, Fs, LocalWorktree, Metadata, Project};
  16use settings::SettingsStore;
  17use terminal::{
  18    alacritty_terminal::{
  19        index::Point,
  20        term::{search::RegexSearch, TermMode},
  21    },
  22    terminal_settings::{TerminalBlink, TerminalSettings, WorkingDirectory},
  23    Clear, Copy, Event, MaybeNavigationTarget, Paste, ShowCharacterPalette, Terminal,
  24};
  25use terminal_element::TerminalElement;
  26use ui::{h_flex, prelude::*, ContextMenu, Icon, IconName, Label};
  27use util::{paths::PathLikeWithPosition, ResultExt};
  28use workspace::{
  29    item::{BreadcrumbText, Item, ItemEvent},
  30    notifications::NotifyResultExt,
  31    register_deserializable_item,
  32    searchable::{SearchEvent, SearchOptions, SearchableItem, SearchableItemHandle},
  33    CloseActiveItem, NewCenterTerminal, OpenVisible, Pane, ToolbarItemLocation, Workspace,
  34    WorkspaceId,
  35};
  36
  37use anyhow::Context;
  38use dirs::home_dir;
  39use serde::Deserialize;
  40use settings::Settings;
  41use smol::Timer;
  42
  43use std::{
  44    ops::RangeInclusive,
  45    path::{Path, PathBuf},
  46    sync::Arc,
  47    time::Duration,
  48};
  49
  50const REGEX_SPECIAL_CHARS: &[char] = &[
  51    '\\', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '^', '$',
  52];
  53
  54const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
  55
  56///Event to transmit the scroll from the element to the view
  57#[derive(Clone, Debug, PartialEq)]
  58pub struct ScrollTerminal(pub i32);
  59
  60#[derive(Clone, Debug, Default, Deserialize, PartialEq)]
  61pub struct SendText(String);
  62
  63#[derive(Clone, Debug, Default, Deserialize, PartialEq)]
  64pub struct SendKeystroke(String);
  65
  66impl_actions!(terminal, [SendText, SendKeystroke]);
  67
  68pub fn init(cx: &mut AppContext) {
  69    terminal_panel::init(cx);
  70    terminal::init(cx);
  71
  72    register_deserializable_item::<TerminalView>(cx);
  73
  74    cx.observe_new_views(|workspace: &mut Workspace, _| {
  75        workspace.register_action(TerminalView::deploy);
  76    })
  77    .detach();
  78}
  79
  80///A terminal view, maintains the PTY's file handles and communicates with the terminal
  81pub struct TerminalView {
  82    terminal: Model<Terminal>,
  83    workspace: WeakView<Workspace>,
  84    focus_handle: FocusHandle,
  85    //Currently using iTerm bell, show bell emoji in tab until input is received
  86    has_bell: bool,
  87    context_menu: Option<(View<ContextMenu>, gpui::Point<Pixels>, Subscription)>,
  88    blink_state: bool,
  89    blinking_on: bool,
  90    blinking_paused: bool,
  91    blink_epoch: usize,
  92    can_navigate_to_selected_word: bool,
  93    workspace_id: WorkspaceId,
  94    show_title: bool,
  95    _subscriptions: Vec<Subscription>,
  96    _terminal_subscriptions: Vec<Subscription>,
  97}
  98
  99impl EventEmitter<Event> for TerminalView {}
 100impl EventEmitter<ItemEvent> for TerminalView {}
 101impl EventEmitter<SearchEvent> for TerminalView {}
 102
 103impl FocusableView for TerminalView {
 104    fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
 105        self.focus_handle.clone()
 106    }
 107}
 108
 109impl TerminalView {
 110    ///Create a new Terminal in the current working directory or the user's home directory
 111    pub fn deploy(
 112        workspace: &mut Workspace,
 113        _: &NewCenterTerminal,
 114        cx: &mut ViewContext<Workspace>,
 115    ) {
 116        let strategy = TerminalSettings::get_global(cx);
 117        let working_directory =
 118            get_working_directory(workspace, cx, strategy.working_directory.clone());
 119
 120        let window = cx.window_handle();
 121        let terminal = workspace
 122            .project()
 123            .update(cx, |project, cx| {
 124                project.create_terminal(working_directory, None, window, cx)
 125            })
 126            .notify_err(workspace, cx);
 127
 128        if let Some(terminal) = terminal {
 129            let view = cx.new_view(|cx| {
 130                TerminalView::new(
 131                    terminal,
 132                    workspace.weak_handle(),
 133                    workspace.database_id(),
 134                    cx,
 135                )
 136            });
 137            workspace.add_item_to_active_pane(Box::new(view), cx)
 138        }
 139    }
 140
 141    pub fn new(
 142        terminal: Model<Terminal>,
 143        workspace: WeakView<Workspace>,
 144        workspace_id: WorkspaceId,
 145        cx: &mut ViewContext<Self>,
 146    ) -> Self {
 147        let workspace_handle = workspace.clone();
 148        let terminal_subscriptions = subscribe_for_terminal_events(&terminal, workspace, cx);
 149
 150        let focus_handle = cx.focus_handle();
 151        let focus_in = cx.on_focus_in(&focus_handle, |terminal_view, cx| {
 152            terminal_view.focus_in(cx);
 153        });
 154        let focus_out = cx.on_focus_out(&focus_handle, |terminal_view, cx| {
 155            terminal_view.focus_out(cx);
 156        });
 157
 158        Self {
 159            terminal,
 160            workspace: workspace_handle,
 161            has_bell: false,
 162            focus_handle,
 163            context_menu: None,
 164            blink_state: true,
 165            blinking_on: false,
 166            blinking_paused: false,
 167            blink_epoch: 0,
 168            can_navigate_to_selected_word: false,
 169            workspace_id,
 170            show_title: TerminalSettings::get_global(cx).toolbar.title,
 171            _subscriptions: vec![
 172                focus_in,
 173                focus_out,
 174                cx.observe_global::<SettingsStore>(Self::settings_changed),
 175            ],
 176            _terminal_subscriptions: terminal_subscriptions,
 177        }
 178    }
 179
 180    pub fn model(&self) -> &Model<Terminal> {
 181        &self.terminal
 182    }
 183
 184    pub fn has_bell(&self) -> bool {
 185        self.has_bell
 186    }
 187
 188    pub fn clear_bel(&mut self, cx: &mut ViewContext<TerminalView>) {
 189        self.has_bell = false;
 190        cx.emit(Event::Wakeup);
 191    }
 192
 193    pub fn deploy_context_menu(
 194        &mut self,
 195        position: gpui::Point<Pixels>,
 196        cx: &mut ViewContext<Self>,
 197    ) {
 198        let context_menu = ContextMenu::build(cx, |menu, _| {
 199            menu.action("Clear", Box::new(Clear))
 200                .action("Close", Box::new(CloseActiveItem { save_intent: None }))
 201        });
 202
 203        cx.focus_view(&context_menu);
 204        let subscription =
 205            cx.subscribe(&context_menu, |this, _, _: &DismissEvent, cx| {
 206                if this.context_menu.as_ref().is_some_and(|context_menu| {
 207                    context_menu.0.focus_handle(cx).contains_focused(cx)
 208                }) {
 209                    cx.focus_self();
 210                }
 211                this.context_menu.take();
 212                cx.notify();
 213            });
 214
 215        self.context_menu = Some((context_menu, position, subscription));
 216    }
 217
 218    fn settings_changed(&mut self, cx: &mut ViewContext<Self>) {
 219        let settings = TerminalSettings::get_global(cx);
 220        self.show_title = settings.toolbar.title;
 221        cx.notify();
 222    }
 223
 224    fn show_character_palette(&mut self, _: &ShowCharacterPalette, cx: &mut ViewContext<Self>) {
 225        if !self
 226            .terminal
 227            .read(cx)
 228            .last_content
 229            .mode
 230            .contains(TermMode::ALT_SCREEN)
 231        {
 232            cx.show_character_palette();
 233        } else {
 234            self.terminal.update(cx, |term, cx| {
 235                term.try_keystroke(
 236                    &Keystroke::parse("ctrl-cmd-space").unwrap(),
 237                    TerminalSettings::get_global(cx).option_as_meta,
 238                )
 239            });
 240        }
 241    }
 242
 243    fn select_all(&mut self, _: &editor::actions::SelectAll, cx: &mut ViewContext<Self>) {
 244        self.terminal.update(cx, |term, _| term.select_all());
 245        cx.notify();
 246    }
 247
 248    fn clear(&mut self, _: &Clear, cx: &mut ViewContext<Self>) {
 249        self.terminal.update(cx, |term, _| term.clear());
 250        cx.notify();
 251    }
 252
 253    pub fn should_show_cursor(&self, focused: bool, cx: &mut gpui::ViewContext<Self>) -> bool {
 254        //Don't blink the cursor when not focused, blinking is disabled, or paused
 255        if !focused
 256            || !self.blinking_on
 257            || self.blinking_paused
 258            || self
 259                .terminal
 260                .read(cx)
 261                .last_content
 262                .mode
 263                .contains(TermMode::ALT_SCREEN)
 264        {
 265            return true;
 266        }
 267
 268        match TerminalSettings::get_global(cx).blinking {
 269            //If the user requested to never blink, don't blink it.
 270            TerminalBlink::Off => true,
 271            //If the terminal is controlling it, check terminal mode
 272            TerminalBlink::TerminalControlled | TerminalBlink::On => self.blink_state,
 273        }
 274    }
 275
 276    fn blink_cursors(&mut self, epoch: usize, cx: &mut ViewContext<Self>) {
 277        if epoch == self.blink_epoch && !self.blinking_paused {
 278            self.blink_state = !self.blink_state;
 279            cx.notify();
 280
 281            let epoch = self.next_blink_epoch();
 282            cx.spawn(|this, mut cx| async move {
 283                Timer::after(CURSOR_BLINK_INTERVAL).await;
 284                this.update(&mut cx, |this, cx| this.blink_cursors(epoch, cx))
 285                    .log_err();
 286            })
 287            .detach();
 288        }
 289    }
 290
 291    pub fn pause_cursor_blinking(&mut self, cx: &mut ViewContext<Self>) {
 292        self.blink_state = true;
 293        cx.notify();
 294
 295        let epoch = self.next_blink_epoch();
 296        cx.spawn(|this, mut cx| async move {
 297            Timer::after(CURSOR_BLINK_INTERVAL).await;
 298            this.update(&mut cx, |this, cx| this.resume_cursor_blinking(epoch, cx))
 299                .ok();
 300        })
 301        .detach();
 302    }
 303
 304    pub fn terminal(&self) -> &Model<Terminal> {
 305        &self.terminal
 306    }
 307
 308    fn next_blink_epoch(&mut self) -> usize {
 309        self.blink_epoch += 1;
 310        self.blink_epoch
 311    }
 312
 313    fn resume_cursor_blinking(&mut self, epoch: usize, cx: &mut ViewContext<Self>) {
 314        if epoch == self.blink_epoch {
 315            self.blinking_paused = false;
 316            self.blink_cursors(epoch, cx);
 317        }
 318    }
 319
 320    ///Attempt to paste the clipboard into the terminal
 321    fn copy(&mut self, _: &Copy, cx: &mut ViewContext<Self>) {
 322        self.terminal.update(cx, |term, _| term.copy());
 323        cx.notify();
 324    }
 325
 326    ///Attempt to paste the clipboard into the terminal
 327    fn paste(&mut self, _: &Paste, cx: &mut ViewContext<Self>) {
 328        if let Some(item) = cx.read_from_clipboard() {
 329            self.terminal
 330                .update(cx, |terminal, _cx| terminal.paste(item.text()));
 331        }
 332    }
 333
 334    fn send_text(&mut self, text: &SendText, cx: &mut ViewContext<Self>) {
 335        self.clear_bel(cx);
 336        self.terminal.update(cx, |term, _| {
 337            term.input(text.0.to_string());
 338        });
 339    }
 340
 341    fn send_keystroke(&mut self, text: &SendKeystroke, cx: &mut ViewContext<Self>) {
 342        if let Some(keystroke) = Keystroke::parse(&text.0).log_err() {
 343            self.clear_bel(cx);
 344            self.terminal.update(cx, |term, cx| {
 345                term.try_keystroke(&keystroke, TerminalSettings::get_global(cx).option_as_meta);
 346            });
 347        }
 348    }
 349
 350    fn dispatch_context(&self, cx: &AppContext) -> KeyContext {
 351        let mut dispatch_context = KeyContext::default();
 352        dispatch_context.add("Terminal");
 353
 354        let mode = self.terminal.read(cx).last_content.mode;
 355        dispatch_context.set(
 356            "screen",
 357            if mode.contains(TermMode::ALT_SCREEN) {
 358                "alt"
 359            } else {
 360                "normal"
 361            },
 362        );
 363
 364        if mode.contains(TermMode::APP_CURSOR) {
 365            dispatch_context.add("DECCKM");
 366        }
 367        if mode.contains(TermMode::APP_KEYPAD) {
 368            dispatch_context.add("DECPAM");
 369        } else {
 370            dispatch_context.add("DECPNM");
 371        }
 372        if mode.contains(TermMode::SHOW_CURSOR) {
 373            dispatch_context.add("DECTCEM");
 374        }
 375        if mode.contains(TermMode::LINE_WRAP) {
 376            dispatch_context.add("DECAWM");
 377        }
 378        if mode.contains(TermMode::ORIGIN) {
 379            dispatch_context.add("DECOM");
 380        }
 381        if mode.contains(TermMode::INSERT) {
 382            dispatch_context.add("IRM");
 383        }
 384        //LNM is apparently the name for this. https://vt100.net/docs/vt510-rm/LNM.html
 385        if mode.contains(TermMode::LINE_FEED_NEW_LINE) {
 386            dispatch_context.add("LNM");
 387        }
 388        if mode.contains(TermMode::FOCUS_IN_OUT) {
 389            dispatch_context.add("report_focus");
 390        }
 391        if mode.contains(TermMode::ALTERNATE_SCROLL) {
 392            dispatch_context.add("alternate_scroll");
 393        }
 394        if mode.contains(TermMode::BRACKETED_PASTE) {
 395            dispatch_context.add("bracketed_paste");
 396        }
 397        if mode.intersects(TermMode::MOUSE_MODE) {
 398            dispatch_context.add("any_mouse_reporting");
 399        }
 400        {
 401            let mouse_reporting = if mode.contains(TermMode::MOUSE_REPORT_CLICK) {
 402                "click"
 403            } else if mode.contains(TermMode::MOUSE_DRAG) {
 404                "drag"
 405            } else if mode.contains(TermMode::MOUSE_MOTION) {
 406                "motion"
 407            } else {
 408                "off"
 409            };
 410            dispatch_context.set("mouse_reporting", mouse_reporting);
 411        }
 412        {
 413            let format = if mode.contains(TermMode::SGR_MOUSE) {
 414                "sgr"
 415            } else if mode.contains(TermMode::UTF8_MOUSE) {
 416                "utf8"
 417            } else {
 418                "normal"
 419            };
 420            dispatch_context.set("mouse_format", format);
 421        };
 422        dispatch_context
 423    }
 424
 425    fn set_terminal(&mut self, terminal: Model<Terminal>, cx: &mut ViewContext<'_, TerminalView>) {
 426        self._terminal_subscriptions =
 427            subscribe_for_terminal_events(&terminal, self.workspace.clone(), cx);
 428        self.terminal = terminal;
 429    }
 430}
 431
 432fn subscribe_for_terminal_events(
 433    terminal: &Model<Terminal>,
 434    workspace: WeakView<Workspace>,
 435    cx: &mut ViewContext<'_, TerminalView>,
 436) -> Vec<Subscription> {
 437    let terminal_subscription = cx.observe(terminal, |_, _, cx| cx.notify());
 438    let terminal_events_subscription =
 439        cx.subscribe(terminal, move |this, _, event, cx| match event {
 440            Event::Wakeup => {
 441                cx.notify();
 442                cx.emit(Event::Wakeup);
 443                cx.emit(ItemEvent::UpdateTab);
 444                cx.emit(SearchEvent::MatchesInvalidated);
 445            }
 446
 447            Event::Bell => {
 448                this.has_bell = true;
 449                cx.emit(Event::Wakeup);
 450            }
 451
 452            Event::BlinkChanged => this.blinking_on = !this.blinking_on,
 453
 454            Event::TitleChanged => {
 455                cx.emit(ItemEvent::UpdateTab);
 456                let terminal = this.terminal().read(cx);
 457                if terminal.task().is_none() {
 458                    if let Some(foreground_info) = &terminal.foreground_process_info {
 459                        let cwd = foreground_info.cwd.clone();
 460
 461                        let item_id = cx.entity_id();
 462                        let workspace_id = this.workspace_id;
 463                        cx.background_executor()
 464                            .spawn(async move {
 465                                TERMINAL_DB
 466                                    .save_working_directory(item_id.as_u64(), workspace_id, cwd)
 467                                    .await
 468                                    .log_err();
 469                            })
 470                            .detach();
 471                    }
 472                }
 473            }
 474
 475            Event::NewNavigationTarget(maybe_navigation_target) => {
 476                this.can_navigate_to_selected_word = match maybe_navigation_target {
 477                    Some(MaybeNavigationTarget::Url(_)) => true,
 478                    Some(MaybeNavigationTarget::PathLike(path_like_target)) => {
 479                        if let Ok(fs) = workspace.update(cx, |workspace, cx| {
 480                            workspace.project().read(cx).fs().clone()
 481                        }) {
 482                            let valid_files_to_open_task = possible_open_targets(
 483                                fs,
 484                                &workspace,
 485                                &path_like_target.terminal_dir,
 486                                &path_like_target.maybe_path,
 487                                cx,
 488                            );
 489                            smol::block_on(valid_files_to_open_task).len() > 0
 490                        } else {
 491                            false
 492                        }
 493                    }
 494                    None => false,
 495                }
 496            }
 497
 498            Event::Open(maybe_navigation_target) => match maybe_navigation_target {
 499                MaybeNavigationTarget::Url(url) => cx.open_url(url),
 500
 501                MaybeNavigationTarget::PathLike(path_like_target) => {
 502                    if !this.can_navigate_to_selected_word {
 503                        return;
 504                    }
 505                    let task_workspace = workspace.clone();
 506                    let Some(fs) = workspace
 507                        .update(cx, |workspace, cx| {
 508                            workspace.project().read(cx).fs().clone()
 509                        })
 510                        .ok()
 511                    else {
 512                        return;
 513                    };
 514
 515                    let path_like_target = path_like_target.clone();
 516                    cx.spawn(|terminal_view, mut cx| async move {
 517                        let valid_files_to_open = terminal_view
 518                            .update(&mut cx, |_, cx| {
 519                                possible_open_targets(
 520                                    fs,
 521                                    &task_workspace,
 522                                    &path_like_target.terminal_dir,
 523                                    &path_like_target.maybe_path,
 524                                    cx,
 525                                )
 526                            })?
 527                            .await;
 528                        let paths_to_open = valid_files_to_open
 529                            .iter()
 530                            .map(|(p, _)| p.path_like.clone())
 531                            .collect();
 532                        let opened_items = task_workspace
 533                            .update(&mut cx, |workspace, cx| {
 534                                workspace.open_paths(
 535                                    paths_to_open,
 536                                    OpenVisible::OnlyDirectories,
 537                                    None,
 538                                    cx,
 539                                )
 540                            })
 541                            .context("workspace update")?
 542                            .await;
 543
 544                        let mut has_dirs = false;
 545                        for ((path, metadata), opened_item) in valid_files_to_open
 546                            .into_iter()
 547                            .zip(opened_items.into_iter())
 548                        {
 549                            if metadata.is_dir {
 550                                has_dirs = true;
 551                            } else if let Some(Ok(opened_item)) = opened_item {
 552                                if let Some(row) = path.row {
 553                                    let col = path.column.unwrap_or(0);
 554                                    if let Some(active_editor) = opened_item.downcast::<Editor>() {
 555                                        active_editor
 556                                            .downgrade()
 557                                            .update(&mut cx, |editor, cx| {
 558                                                let snapshot = editor.snapshot(cx).display_snapshot;
 559                                                let point = snapshot.buffer_snapshot.clip_point(
 560                                                    language::Point::new(
 561                                                        row.saturating_sub(1),
 562                                                        col.saturating_sub(1),
 563                                                    ),
 564                                                    Bias::Left,
 565                                                );
 566                                                editor.change_selections(
 567                                                    Some(Autoscroll::center()),
 568                                                    cx,
 569                                                    |s| s.select_ranges([point..point]),
 570                                                );
 571                                            })
 572                                            .log_err();
 573                                    }
 574                                }
 575                            }
 576                        }
 577
 578                        if has_dirs {
 579                            task_workspace.update(&mut cx, |workspace, cx| {
 580                                workspace.project().update(cx, |_, cx| {
 581                                    cx.emit(project::Event::ActivateProjectPanel);
 582                                })
 583                            })?;
 584                        }
 585
 586                        anyhow::Ok(())
 587                    })
 588                    .detach_and_log_err(cx)
 589                }
 590            },
 591            Event::BreadcrumbsChanged => cx.emit(ItemEvent::UpdateBreadcrumbs),
 592            Event::CloseTerminal => cx.emit(ItemEvent::CloseItem),
 593            Event::SelectionsChanged => cx.emit(SearchEvent::ActiveMatchChanged),
 594        });
 595    vec![terminal_subscription, terminal_events_subscription]
 596}
 597
 598fn possible_open_paths_metadata(
 599    fs: Arc<dyn Fs>,
 600    row: Option<u32>,
 601    column: Option<u32>,
 602    potential_paths: HashSet<PathBuf>,
 603    cx: &mut ViewContext<TerminalView>,
 604) -> Task<Vec<(PathLikeWithPosition<PathBuf>, Metadata)>> {
 605    cx.background_executor().spawn(async move {
 606        let mut paths_with_metadata = Vec::with_capacity(potential_paths.len());
 607
 608        let mut fetch_metadata_tasks = potential_paths
 609            .into_iter()
 610            .map(|potential_path| async {
 611                let metadata = fs.metadata(&potential_path).await.ok().flatten();
 612                (
 613                    PathLikeWithPosition {
 614                        path_like: potential_path,
 615                        row,
 616                        column,
 617                    },
 618                    metadata,
 619                )
 620            })
 621            .collect::<FuturesUnordered<_>>();
 622
 623        while let Some((path, metadata)) = fetch_metadata_tasks.next().await {
 624            if let Some(metadata) = metadata {
 625                paths_with_metadata.push((path, metadata));
 626            }
 627        }
 628
 629        paths_with_metadata
 630    })
 631}
 632
 633fn possible_open_targets(
 634    fs: Arc<dyn Fs>,
 635    workspace: &WeakView<Workspace>,
 636    cwd: &Option<PathBuf>,
 637    maybe_path: &String,
 638    cx: &mut ViewContext<TerminalView>,
 639) -> Task<Vec<(PathLikeWithPosition<PathBuf>, Metadata)>> {
 640    let path_like = PathLikeWithPosition::parse_str(maybe_path.as_str(), |path_str| {
 641        Ok::<_, std::convert::Infallible>(Path::new(path_str).to_path_buf())
 642    })
 643    .expect("infallible");
 644    let row = path_like.row;
 645    let column = path_like.column;
 646    let maybe_path = path_like.path_like;
 647    let potential_abs_paths = if maybe_path.is_absolute() {
 648        HashSet::from_iter([maybe_path])
 649    } else if maybe_path.starts_with("~") {
 650        if let Some(abs_path) = maybe_path
 651            .strip_prefix("~")
 652            .ok()
 653            .and_then(|maybe_path| Some(dirs::home_dir()?.join(maybe_path)))
 654        {
 655            HashSet::from_iter([abs_path])
 656        } else {
 657            HashSet::default()
 658        }
 659    } else {
 660        // First check cwd and then workspace
 661        let mut potential_cwd_and_workspace_paths = HashSet::default();
 662        if let Some(cwd) = cwd {
 663            potential_cwd_and_workspace_paths.insert(Path::join(cwd, &maybe_path));
 664        }
 665        if let Some(workspace) = workspace.upgrade() {
 666            workspace.update(cx, |workspace, cx| {
 667                for potential_worktree_path in workspace
 668                    .worktrees(cx)
 669                    .map(|worktree| worktree.read(cx).abs_path().join(&maybe_path))
 670                {
 671                    potential_cwd_and_workspace_paths.insert(potential_worktree_path);
 672                }
 673            });
 674        }
 675        potential_cwd_and_workspace_paths
 676    };
 677
 678    possible_open_paths_metadata(fs, row, column, potential_abs_paths, cx)
 679}
 680
 681fn regex_to_literal(regex: &str) -> String {
 682    regex
 683        .chars()
 684        .flat_map(|c| {
 685            if REGEX_SPECIAL_CHARS.contains(&c) {
 686                vec!['\\', c]
 687            } else {
 688                vec![c]
 689            }
 690        })
 691        .collect()
 692}
 693
 694pub fn regex_search_for_query(query: &project::search::SearchQuery) -> Option<RegexSearch> {
 695    let query = query.as_str();
 696    if query == "." {
 697        return None;
 698    }
 699    let searcher = RegexSearch::new(&query);
 700    searcher.ok()
 701}
 702
 703impl TerminalView {
 704    fn key_down(&mut self, event: &KeyDownEvent, cx: &mut ViewContext<Self>) {
 705        self.clear_bel(cx);
 706        self.pause_cursor_blinking(cx);
 707
 708        self.terminal.update(cx, |term, cx| {
 709            term.try_keystroke(
 710                &event.keystroke,
 711                TerminalSettings::get_global(cx).option_as_meta,
 712            )
 713        });
 714    }
 715
 716    fn focus_in(&mut self, cx: &mut ViewContext<Self>) {
 717        self.terminal.read(cx).focus_in();
 718        self.blink_cursors(self.blink_epoch, cx);
 719        cx.notify();
 720    }
 721
 722    fn focus_out(&mut self, cx: &mut ViewContext<Self>) {
 723        self.terminal.update(cx, |terminal, _| {
 724            terminal.focus_out();
 725        });
 726        cx.notify();
 727    }
 728}
 729
 730impl Render for TerminalView {
 731    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
 732        let terminal_handle = self.terminal.clone();
 733
 734        let focused = self.focus_handle.is_focused(cx);
 735
 736        div()
 737            .size_full()
 738            .relative()
 739            .track_focus(&self.focus_handle)
 740            .key_context(self.dispatch_context(cx))
 741            .on_action(cx.listener(TerminalView::send_text))
 742            .on_action(cx.listener(TerminalView::send_keystroke))
 743            .on_action(cx.listener(TerminalView::copy))
 744            .on_action(cx.listener(TerminalView::paste))
 745            .on_action(cx.listener(TerminalView::clear))
 746            .on_action(cx.listener(TerminalView::show_character_palette))
 747            .on_action(cx.listener(TerminalView::select_all))
 748            .on_key_down(cx.listener(Self::key_down))
 749            .on_mouse_down(
 750                MouseButton::Right,
 751                cx.listener(|this, event: &MouseDownEvent, cx| {
 752                    if !this.terminal.read(cx).mouse_mode(event.modifiers.shift) {
 753                        this.deploy_context_menu(event.position, cx);
 754                        cx.notify();
 755                    }
 756                }),
 757            )
 758            .child(
 759                // TODO: Oddly this wrapper div is needed for TerminalElement to not steal events from the context menu
 760                div().size_full().child(TerminalElement::new(
 761                    terminal_handle,
 762                    self.workspace.clone(),
 763                    self.focus_handle.clone(),
 764                    focused,
 765                    self.should_show_cursor(focused, cx),
 766                    self.can_navigate_to_selected_word,
 767                )),
 768            )
 769            .children(self.context_menu.as_ref().map(|(menu, position, _)| {
 770                overlay()
 771                    .position(*position)
 772                    .anchor(gpui::AnchorCorner::TopLeft)
 773                    .child(menu.clone())
 774            }))
 775    }
 776}
 777
 778impl Item for TerminalView {
 779    type Event = ItemEvent;
 780
 781    fn tab_tooltip_text(&self, cx: &AppContext) -> Option<SharedString> {
 782        Some(self.terminal().read(cx).title(false).into())
 783    }
 784
 785    fn tab_content(
 786        &self,
 787        _detail: Option<usize>,
 788        selected: bool,
 789        cx: &WindowContext,
 790    ) -> AnyElement {
 791        let terminal = self.terminal().read(cx);
 792        let title = terminal.title(true);
 793        let icon = if terminal.task().is_some() {
 794            IconName::Play
 795        } else {
 796            IconName::Terminal
 797        };
 798        h_flex()
 799            .gap_2()
 800            .child(Icon::new(icon))
 801            .child(Label::new(title).color(if selected {
 802                Color::Default
 803            } else {
 804                Color::Muted
 805            }))
 806            .into_any()
 807    }
 808
 809    fn telemetry_event_text(&self) -> Option<&'static str> {
 810        None
 811    }
 812
 813    fn clone_on_split(
 814        &self,
 815        _workspace_id: WorkspaceId,
 816        _cx: &mut ViewContext<Self>,
 817    ) -> Option<View<Self>> {
 818        //From what I can tell, there's no  way to tell the current working
 819        //Directory of the terminal from outside the shell. There might be
 820        //solutions to this, but they are non-trivial and require more IPC
 821
 822        // Some(TerminalContainer::new(
 823        //     Err(anyhow::anyhow!("failed to instantiate terminal")),
 824        //     workspace_id,
 825        //     cx,
 826        // ))
 827
 828        // TODO
 829        None
 830    }
 831
 832    fn is_dirty(&self, cx: &gpui::AppContext) -> bool {
 833        match self.terminal.read(cx).task() {
 834            Some(task) => !task.completed,
 835            None => self.has_bell(),
 836        }
 837    }
 838
 839    fn has_conflict(&self, _cx: &AppContext) -> bool {
 840        false
 841    }
 842
 843    fn as_searchable(&self, handle: &View<Self>) -> Option<Box<dyn SearchableItemHandle>> {
 844        Some(Box::new(handle.clone()))
 845    }
 846
 847    fn breadcrumb_location(&self) -> ToolbarItemLocation {
 848        if self.show_title {
 849            ToolbarItemLocation::PrimaryLeft
 850        } else {
 851            ToolbarItemLocation::Hidden
 852        }
 853    }
 854
 855    fn breadcrumbs(&self, _: &theme::Theme, cx: &AppContext) -> Option<Vec<BreadcrumbText>> {
 856        Some(vec![BreadcrumbText {
 857            text: self.terminal().read(cx).breadcrumb_text.clone(),
 858            highlights: None,
 859        }])
 860    }
 861
 862    fn serialized_item_kind() -> Option<&'static str> {
 863        Some("Terminal")
 864    }
 865
 866    fn deserialize(
 867        project: Model<Project>,
 868        workspace: WeakView<Workspace>,
 869        workspace_id: workspace::WorkspaceId,
 870        item_id: workspace::ItemId,
 871        cx: &mut ViewContext<Pane>,
 872    ) -> Task<anyhow::Result<View<Self>>> {
 873        let window = cx.window_handle();
 874        cx.spawn(|pane, mut cx| async move {
 875            let cwd = TERMINAL_DB
 876                .get_working_directory(item_id, workspace_id)
 877                .log_err()
 878                .flatten()
 879                .or_else(|| {
 880                    cx.update(|cx| {
 881                        let strategy = TerminalSettings::get_global(cx).working_directory.clone();
 882                        workspace.upgrade().and_then(|workspace| {
 883                            get_working_directory(workspace.read(cx), cx, strategy)
 884                        })
 885                    })
 886                    .ok()
 887                    .flatten()
 888                });
 889
 890            let terminal = project.update(&mut cx, |project, cx| {
 891                project.create_terminal(cwd, None, window, cx)
 892            })??;
 893            pane.update(&mut cx, |_, cx| {
 894                cx.new_view(|cx| TerminalView::new(terminal, workspace, workspace_id, cx))
 895            })
 896        })
 897    }
 898
 899    fn added_to_workspace(&mut self, workspace: &mut Workspace, cx: &mut ViewContext<Self>) {
 900        if self.terminal().read(cx).task().is_none() {
 901            cx.background_executor()
 902                .spawn(TERMINAL_DB.update_workspace_id(
 903                    workspace.database_id(),
 904                    self.workspace_id,
 905                    cx.entity_id().as_u64(),
 906                ))
 907                .detach();
 908            self.workspace_id = workspace.database_id();
 909        }
 910    }
 911
 912    fn to_item_events(event: &Self::Event, mut f: impl FnMut(ItemEvent)) {
 913        f(*event)
 914    }
 915}
 916
 917impl SearchableItem for TerminalView {
 918    type Match = RangeInclusive<Point>;
 919
 920    fn supported_options() -> SearchOptions {
 921        SearchOptions {
 922            case: false,
 923            word: false,
 924            regex: true,
 925            replacement: false,
 926        }
 927    }
 928
 929    /// Clear stored matches
 930    fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
 931        self.terminal().update(cx, |term, _| term.matches.clear())
 932    }
 933
 934    /// Store matches returned from find_matches somewhere for rendering
 935    fn update_matches(&mut self, matches: Vec<Self::Match>, cx: &mut ViewContext<Self>) {
 936        self.terminal().update(cx, |term, _| term.matches = matches)
 937    }
 938
 939    /// Returns the selection content to pre-load into this search
 940    fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> String {
 941        self.terminal()
 942            .read(cx)
 943            .last_content
 944            .selection_text
 945            .clone()
 946            .unwrap_or_default()
 947    }
 948
 949    /// Focus match at given index into the Vec of matches
 950    fn activate_match(&mut self, index: usize, _: Vec<Self::Match>, cx: &mut ViewContext<Self>) {
 951        self.terminal()
 952            .update(cx, |term, _| term.activate_match(index));
 953        cx.notify();
 954    }
 955
 956    /// Add selections for all matches given.
 957    fn select_matches(&mut self, matches: Vec<Self::Match>, cx: &mut ViewContext<Self>) {
 958        self.terminal()
 959            .update(cx, |term, _| term.select_matches(matches));
 960        cx.notify();
 961    }
 962
 963    /// Get all of the matches for this query, should be done on the background
 964    fn find_matches(
 965        &mut self,
 966        query: Arc<SearchQuery>,
 967        cx: &mut ViewContext<Self>,
 968    ) -> Task<Vec<Self::Match>> {
 969        let searcher = match &*query {
 970            SearchQuery::Text { .. } => regex_search_for_query(
 971                &(SearchQuery::text(
 972                    regex_to_literal(&query.as_str()),
 973                    query.whole_word(),
 974                    query.case_sensitive(),
 975                    query.include_ignored(),
 976                    query.files_to_include().to_vec(),
 977                    query.files_to_exclude().to_vec(),
 978                )
 979                .unwrap()),
 980            ),
 981            SearchQuery::Regex { .. } => regex_search_for_query(&query),
 982        };
 983
 984        if let Some(s) = searcher {
 985            self.terminal()
 986                .update(cx, |term, cx| term.find_matches(s, cx))
 987        } else {
 988            Task::ready(vec![])
 989        }
 990    }
 991
 992    /// Reports back to the search toolbar what the active match should be (the selection)
 993    fn active_match_index(
 994        &mut self,
 995        matches: Vec<Self::Match>,
 996        cx: &mut ViewContext<Self>,
 997    ) -> Option<usize> {
 998        // Selection head might have a value if there's a selection that isn't
 999        // associated with a match. Therefore, if there are no matches, we should
1000        // report None, no matter the state of the terminal
1001        let res = if matches.len() > 0 {
1002            if let Some(selection_head) = self.terminal().read(cx).selection_head {
1003                // If selection head is contained in a match. Return that match
1004                if let Some(ix) = matches
1005                    .iter()
1006                    .enumerate()
1007                    .find(|(_, search_match)| {
1008                        search_match.contains(&selection_head)
1009                            || search_match.start() > &selection_head
1010                    })
1011                    .map(|(ix, _)| ix)
1012                {
1013                    Some(ix)
1014                } else {
1015                    // If no selection after selection head, return the last match
1016                    Some(matches.len().saturating_sub(1))
1017                }
1018            } else {
1019                // Matches found but no active selection, return the first last one (closest to cursor)
1020                Some(matches.len().saturating_sub(1))
1021            }
1022        } else {
1023            None
1024        };
1025
1026        res
1027    }
1028    fn replace(&mut self, _: &Self::Match, _: &SearchQuery, _: &mut ViewContext<Self>) {
1029        // Replacement is not supported in terminal view, so this is a no-op.
1030    }
1031}
1032
1033///Gets the working directory for the given workspace, respecting the user's settings.
1034pub fn get_working_directory(
1035    workspace: &Workspace,
1036    cx: &AppContext,
1037    strategy: WorkingDirectory,
1038) -> Option<PathBuf> {
1039    let res = match strategy {
1040        WorkingDirectory::CurrentProjectDirectory => current_project_directory(workspace, cx)
1041            .or_else(|| first_project_directory(workspace, cx)),
1042        WorkingDirectory::FirstProjectDirectory => first_project_directory(workspace, cx),
1043        WorkingDirectory::AlwaysHome => None,
1044        WorkingDirectory::Always { directory } => {
1045            shellexpand::full(&directory) //TODO handle this better
1046                .ok()
1047                .map(|dir| Path::new(&dir.to_string()).to_path_buf())
1048                .filter(|dir| dir.is_dir())
1049        }
1050    };
1051    res.or_else(home_dir)
1052}
1053
1054///Gets the first project's home directory, or the home directory
1055fn first_project_directory(workspace: &Workspace, cx: &AppContext) -> Option<PathBuf> {
1056    workspace
1057        .worktrees(cx)
1058        .next()
1059        .and_then(|worktree_handle| worktree_handle.read(cx).as_local())
1060        .and_then(get_path_from_wt)
1061}
1062
1063///Gets the intuitively correct working directory from the given workspace
1064///If there is an active entry for this project, returns that entry's worktree root.
1065///If there's no active entry but there is a worktree, returns that worktrees root.
1066///If either of these roots are files, or if there are any other query failures,
1067///  returns the user's home directory
1068fn current_project_directory(workspace: &Workspace, cx: &AppContext) -> Option<PathBuf> {
1069    let project = workspace.project().read(cx);
1070
1071    project
1072        .active_entry()
1073        .and_then(|entry_id| project.worktree_for_entry(entry_id, cx))
1074        .or_else(|| workspace.worktrees(cx).next())
1075        .and_then(|worktree_handle| worktree_handle.read(cx).as_local())
1076        .and_then(get_path_from_wt)
1077}
1078
1079fn get_path_from_wt(wt: &LocalWorktree) -> Option<PathBuf> {
1080    wt.root_entry()
1081        .filter(|re| re.is_dir())
1082        .map(|_| wt.abs_path().to_path_buf())
1083}
1084
1085#[cfg(test)]
1086mod tests {
1087    use super::*;
1088    use gpui::TestAppContext;
1089    use project::{Entry, Project, ProjectPath, Worktree};
1090    use std::path::Path;
1091    use workspace::AppState;
1092
1093    // Working directory calculation tests
1094
1095    // No Worktrees in project -> home_dir()
1096    #[gpui::test]
1097    async fn no_worktree(cx: &mut TestAppContext) {
1098        let (project, workspace) = init_test(cx).await;
1099        cx.read(|cx| {
1100            let workspace = workspace.read(cx);
1101            let active_entry = project.read(cx).active_entry();
1102
1103            //Make sure environment is as expected
1104            assert!(active_entry.is_none());
1105            assert!(workspace.worktrees(cx).next().is_none());
1106
1107            let res = current_project_directory(workspace, cx);
1108            assert_eq!(res, None);
1109            let res = first_project_directory(workspace, cx);
1110            assert_eq!(res, None);
1111        });
1112    }
1113
1114    // No active entry, but a worktree, worktree is a file -> home_dir()
1115    #[gpui::test]
1116    async fn no_active_entry_worktree_is_file(cx: &mut TestAppContext) {
1117        let (project, workspace) = init_test(cx).await;
1118
1119        create_file_wt(project.clone(), "/root.txt", cx).await;
1120        cx.read(|cx| {
1121            let workspace = workspace.read(cx);
1122            let active_entry = project.read(cx).active_entry();
1123
1124            //Make sure environment is as expected
1125            assert!(active_entry.is_none());
1126            assert!(workspace.worktrees(cx).next().is_some());
1127
1128            let res = current_project_directory(workspace, cx);
1129            assert_eq!(res, None);
1130            let res = first_project_directory(workspace, cx);
1131            assert_eq!(res, None);
1132        });
1133    }
1134
1135    // No active entry, but a worktree, worktree is a folder -> worktree_folder
1136    #[gpui::test]
1137    async fn no_active_entry_worktree_is_dir(cx: &mut TestAppContext) {
1138        let (project, workspace) = init_test(cx).await;
1139
1140        let (_wt, _entry) = create_folder_wt(project.clone(), "/root/", cx).await;
1141        cx.update(|cx| {
1142            let workspace = workspace.read(cx);
1143            let active_entry = project.read(cx).active_entry();
1144
1145            assert!(active_entry.is_none());
1146            assert!(workspace.worktrees(cx).next().is_some());
1147
1148            let res = current_project_directory(workspace, cx);
1149            assert_eq!(res, Some((Path::new("/root/")).to_path_buf()));
1150            let res = first_project_directory(workspace, cx);
1151            assert_eq!(res, Some((Path::new("/root/")).to_path_buf()));
1152        });
1153    }
1154
1155    // Active entry with a work tree, worktree is a file -> home_dir()
1156    #[gpui::test]
1157    async fn active_entry_worktree_is_file(cx: &mut TestAppContext) {
1158        let (project, workspace) = init_test(cx).await;
1159
1160        let (_wt, _entry) = create_folder_wt(project.clone(), "/root1/", cx).await;
1161        let (wt2, entry2) = create_file_wt(project.clone(), "/root2.txt", cx).await;
1162        insert_active_entry_for(wt2, entry2, project.clone(), cx);
1163
1164        cx.update(|cx| {
1165            let workspace = workspace.read(cx);
1166            let active_entry = project.read(cx).active_entry();
1167
1168            assert!(active_entry.is_some());
1169
1170            let res = current_project_directory(workspace, cx);
1171            assert_eq!(res, None);
1172            let res = first_project_directory(workspace, cx);
1173            assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
1174        });
1175    }
1176
1177    // Active entry, with a worktree, worktree is a folder -> worktree_folder
1178    #[gpui::test]
1179    async fn active_entry_worktree_is_dir(cx: &mut TestAppContext) {
1180        let (project, workspace) = init_test(cx).await;
1181
1182        let (_wt, _entry) = create_folder_wt(project.clone(), "/root1/", cx).await;
1183        let (wt2, entry2) = create_folder_wt(project.clone(), "/root2/", cx).await;
1184        insert_active_entry_for(wt2, entry2, project.clone(), cx);
1185
1186        cx.update(|cx| {
1187            let workspace = workspace.read(cx);
1188            let active_entry = project.read(cx).active_entry();
1189
1190            assert!(active_entry.is_some());
1191
1192            let res = current_project_directory(workspace, cx);
1193            assert_eq!(res, Some((Path::new("/root2/")).to_path_buf()));
1194            let res = first_project_directory(workspace, cx);
1195            assert_eq!(res, Some((Path::new("/root1/")).to_path_buf()));
1196        });
1197    }
1198
1199    /// Creates a worktree with 1 file: /root.txt
1200    pub async fn init_test(cx: &mut TestAppContext) -> (Model<Project>, View<Workspace>) {
1201        let params = cx.update(AppState::test);
1202        cx.update(|cx| {
1203            theme::init(theme::LoadThemes::JustBase, cx);
1204            Project::init_settings(cx);
1205            language::init(cx);
1206        });
1207
1208        let project = Project::test(params.fs.clone(), [], cx).await;
1209        let workspace = cx
1210            .add_window(|cx| Workspace::test_new(project.clone(), cx))
1211            .root_view(cx)
1212            .unwrap();
1213
1214        (project, workspace)
1215    }
1216
1217    /// Creates a worktree with 1 folder: /root{suffix}/
1218    async fn create_folder_wt(
1219        project: Model<Project>,
1220        path: impl AsRef<Path>,
1221        cx: &mut TestAppContext,
1222    ) -> (Model<Worktree>, Entry) {
1223        create_wt(project, true, path, cx).await
1224    }
1225
1226    /// Creates a worktree with 1 file: /root{suffix}.txt
1227    async fn create_file_wt(
1228        project: Model<Project>,
1229        path: impl AsRef<Path>,
1230        cx: &mut TestAppContext,
1231    ) -> (Model<Worktree>, Entry) {
1232        create_wt(project, false, path, cx).await
1233    }
1234
1235    async fn create_wt(
1236        project: Model<Project>,
1237        is_dir: bool,
1238        path: impl AsRef<Path>,
1239        cx: &mut TestAppContext,
1240    ) -> (Model<Worktree>, Entry) {
1241        let (wt, _) = project
1242            .update(cx, |project, cx| {
1243                project.find_or_create_local_worktree(path, true, cx)
1244            })
1245            .await
1246            .unwrap();
1247
1248        let entry = cx
1249            .update(|cx| {
1250                wt.update(cx, |wt, cx| {
1251                    wt.as_local()
1252                        .unwrap()
1253                        .create_entry(Path::new(""), is_dir, cx)
1254                })
1255            })
1256            .await
1257            .unwrap()
1258            .unwrap();
1259
1260        (wt, entry)
1261    }
1262
1263    pub fn insert_active_entry_for(
1264        wt: Model<Worktree>,
1265        entry: Entry,
1266        project: Model<Project>,
1267        cx: &mut TestAppContext,
1268    ) {
1269        cx.update(|cx| {
1270            let p = ProjectPath {
1271                worktree_id: wt.read(cx).id(),
1272                path: entry.path,
1273            };
1274            project.update(cx, |project, cx| project.set_active_path(Some(p), cx));
1275        });
1276    }
1277
1278    #[test]
1279    fn escapes_only_special_characters() {
1280        assert_eq!(regex_to_literal(r"test(\w)"), r"test\(\\w\)".to_string());
1281    }
1282
1283    #[test]
1284    fn empty_string_stays_empty() {
1285        assert_eq!(regex_to_literal(""), "".to_string());
1286    }
1287}