lsp_tool.rs

   1use std::{
   2    collections::{BTreeMap, HashMap},
   3    path::{Path, PathBuf},
   4    rc::Rc,
   5    time::Duration,
   6};
   7
   8use client::proto;
   9use collections::HashSet;
  10use editor::{Editor, EditorEvent};
  11use gpui::{Corner, Entity, Subscription, Task, WeakEntity, actions};
  12use language::{BinaryStatus, BufferId, ServerHealth};
  13use lsp::{LanguageServerId, LanguageServerName, LanguageServerSelector};
  14use project::{LspStore, LspStoreEvent, Worktree, project_settings::ProjectSettings};
  15use settings::{Settings as _, SettingsStore};
  16use ui::{
  17    Context, ContextMenu, ContextMenuEntry, ContextMenuItem, DocumentationAside, DocumentationSide,
  18    Indicator, PopoverMenu, PopoverMenuHandle, Tooltip, Window, prelude::*,
  19};
  20
  21use workspace::{StatusItemView, Workspace};
  22
  23use crate::lsp_log::GlobalLogStore;
  24
  25actions!(
  26    lsp_tool,
  27    [
  28        /// Toggles the language server tool menu.
  29        ToggleMenu
  30    ]
  31);
  32
  33pub struct LspTool {
  34    server_state: Entity<LanguageServerState>,
  35    popover_menu_handle: PopoverMenuHandle<ContextMenu>,
  36    lsp_menu: Option<Entity<ContextMenu>>,
  37    lsp_menu_refresh: Task<()>,
  38    _subscriptions: Vec<Subscription>,
  39}
  40
  41#[derive(Debug)]
  42struct LanguageServerState {
  43    items: Vec<LspMenuItem>,
  44    workspace: WeakEntity<Workspace>,
  45    lsp_store: WeakEntity<LspStore>,
  46    active_editor: Option<ActiveEditor>,
  47    language_servers: LanguageServers,
  48}
  49
  50struct ActiveEditor {
  51    editor: WeakEntity<Editor>,
  52    _editor_subscription: Subscription,
  53    editor_buffers: HashSet<BufferId>,
  54}
  55
  56impl std::fmt::Debug for ActiveEditor {
  57    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
  58        f.debug_struct("ActiveEditor")
  59            .field("editor", &self.editor)
  60            .field("editor_buffers", &self.editor_buffers)
  61            .finish_non_exhaustive()
  62    }
  63}
  64
  65#[derive(Debug, Default, Clone)]
  66struct LanguageServers {
  67    health_statuses: HashMap<LanguageServerId, LanguageServerHealthStatus>,
  68    binary_statuses: HashMap<LanguageServerName, LanguageServerBinaryStatus>,
  69    servers_per_buffer_abs_path: HashMap<PathBuf, ServersForPath>,
  70}
  71
  72#[derive(Debug, Clone)]
  73struct ServersForPath {
  74    servers: HashMap<LanguageServerId, Option<LanguageServerName>>,
  75    worktree: Option<WeakEntity<Worktree>>,
  76}
  77
  78#[derive(Debug, Clone)]
  79struct LanguageServerHealthStatus {
  80    name: LanguageServerName,
  81    health: Option<(Option<SharedString>, ServerHealth)>,
  82}
  83
  84#[derive(Debug, Clone)]
  85struct LanguageServerBinaryStatus {
  86    status: BinaryStatus,
  87    message: Option<SharedString>,
  88}
  89
  90#[derive(Debug)]
  91struct ServerInfo {
  92    name: LanguageServerName,
  93    id: Option<LanguageServerId>,
  94    health: Option<ServerHealth>,
  95    binary_status: Option<LanguageServerBinaryStatus>,
  96    message: Option<SharedString>,
  97}
  98
  99impl ServerInfo {
 100    fn server_selector(&self) -> LanguageServerSelector {
 101        self.id
 102            .map(LanguageServerSelector::Id)
 103            .unwrap_or_else(|| LanguageServerSelector::Name(self.name.clone()))
 104    }
 105}
 106
 107impl LanguageServerHealthStatus {
 108    fn health(&self) -> Option<ServerHealth> {
 109        self.health.as_ref().map(|(_, health)| *health)
 110    }
 111
 112    fn message(&self) -> Option<SharedString> {
 113        self.health
 114            .as_ref()
 115            .and_then(|(message, _)| message.clone())
 116    }
 117}
 118
 119impl LanguageServerState {
 120    fn fill_menu(&self, mut menu: ContextMenu, cx: &mut Context<Self>) -> ContextMenu {
 121        menu = menu.align_popover_bottom();
 122        let lsp_logs = cx
 123            .try_global::<GlobalLogStore>()
 124            .and_then(|lsp_logs| lsp_logs.0.upgrade());
 125        let lsp_store = self.lsp_store.upgrade();
 126        let Some((lsp_logs, lsp_store)) = lsp_logs.zip(lsp_store) else {
 127            return menu;
 128        };
 129
 130        let mut first_button_encountered = false;
 131        for item in &self.items {
 132            if let LspMenuItem::ToggleServersButton { restart } = item {
 133                let label = if *restart {
 134                    "Restart All Servers"
 135                } else {
 136                    "Stop All Servers"
 137                };
 138                let restart = *restart;
 139                let button = ContextMenuEntry::new(label).handler({
 140                    let state = cx.entity();
 141                    move |_, cx| {
 142                        let lsp_store = state.read(cx).lsp_store.clone();
 143                        lsp_store
 144                            .update(cx, |lsp_store, cx| {
 145                                if restart {
 146                                    let Some(workspace) = state.read(cx).workspace.upgrade() else {
 147                                        return;
 148                                    };
 149                                    let project = workspace.read(cx).project().clone();
 150                                    let buffer_store = project.read(cx).buffer_store().clone();
 151                                    let buffers = state
 152                                        .read(cx)
 153                                        .language_servers
 154                                        .servers_per_buffer_abs_path
 155                                        .iter()
 156                                        .filter_map(|(abs_path, servers)| {
 157                                            let worktree =
 158                                                servers.worktree.as_ref()?.upgrade()?.read(cx);
 159                                            let relative_path =
 160                                                abs_path.strip_prefix(&worktree.abs_path()).ok()?;
 161                                            let entry = worktree.entry_for_path(&relative_path)?;
 162                                            let project_path =
 163                                                project.read(cx).path_for_entry(entry.id, cx)?;
 164                                            buffer_store.read(cx).get_by_path(&project_path)
 165                                        })
 166                                        .collect();
 167                                    let selectors = state
 168                                        .read(cx)
 169                                        .items
 170                                        .iter()
 171                                        // Do not try to use IDs as we have stopped all servers already, when allowing to restart them all
 172                                        .flat_map(|item| match item {
 173                                            LspMenuItem::Header { .. } => None,
 174                                            LspMenuItem::ToggleServersButton { .. } => None,
 175                                            LspMenuItem::WithHealthCheck { health, .. } => Some(
 176                                                LanguageServerSelector::Name(health.name.clone()),
 177                                            ),
 178                                            LspMenuItem::WithBinaryStatus {
 179                                                server_name, ..
 180                                            } => Some(LanguageServerSelector::Name(
 181                                                server_name.clone(),
 182                                            )),
 183                                        })
 184                                        .collect();
 185                                    lsp_store.restart_language_servers_for_buffers(
 186                                        buffers, selectors, cx,
 187                                    );
 188                                } else {
 189                                    lsp_store.stop_all_language_servers(cx);
 190                                }
 191                            })
 192                            .ok();
 193                    }
 194                });
 195                if !first_button_encountered {
 196                    menu = menu.separator();
 197                    first_button_encountered = true;
 198                }
 199                menu = menu.item(button);
 200                continue;
 201            } else if let LspMenuItem::Header { header, separator } = item {
 202                menu = menu
 203                    .when(*separator, |menu| menu.separator())
 204                    .when_some(header.as_ref(), |menu, header| menu.header(header));
 205                continue;
 206            }
 207
 208            let Some(server_info) = item.server_info() else {
 209                continue;
 210            };
 211
 212            let server_selector = server_info.server_selector();
 213            // TODO currently, Zed remote does not work well with the LSP logs
 214            // https://github.com/zed-industries/zed/issues/28557
 215            let has_logs = lsp_store.read(cx).as_local().is_some()
 216                && lsp_logs.read(cx).has_server_logs(&server_selector);
 217
 218            let status_color = server_info
 219                .binary_status
 220                .as_ref()
 221                .and_then(|binary_status| match binary_status.status {
 222                    BinaryStatus::None => None,
 223                    BinaryStatus::CheckingForUpdate
 224                    | BinaryStatus::Downloading
 225                    | BinaryStatus::Starting => Some(Color::Modified),
 226                    BinaryStatus::Stopping => Some(Color::Disabled),
 227                    BinaryStatus::Stopped => Some(Color::Disabled),
 228                    BinaryStatus::Failed { .. } => Some(Color::Error),
 229                })
 230                .or_else(|| {
 231                    Some(match server_info.health? {
 232                        ServerHealth::Ok => Color::Success,
 233                        ServerHealth::Warning => Color::Warning,
 234                        ServerHealth::Error => Color::Error,
 235                    })
 236                })
 237                .unwrap_or(Color::Success);
 238
 239            let message = server_info
 240                .message
 241                .as_ref()
 242                .or_else(|| server_info.binary_status.as_ref()?.message.as_ref())
 243                .cloned();
 244            let hover_label = if has_logs {
 245                Some("View Logs")
 246            } else if message.is_some() {
 247                Some("View Message")
 248            } else {
 249                None
 250            };
 251
 252            let server_name = server_info.name.clone();
 253            menu = menu.item(ContextMenuItem::custom_entry(
 254                move |_, _| {
 255                    h_flex()
 256                        .group("menu_item")
 257                        .w_full()
 258                        .gap_2()
 259                        .justify_between()
 260                        .child(
 261                            h_flex()
 262                                .gap_2()
 263                                .child(Indicator::dot().color(status_color))
 264                                .child(Label::new(server_name.0.clone())),
 265                        )
 266                        .when_some(hover_label, |div, hover_label| {
 267                            div.child(
 268                                h_flex()
 269                                    .visible_on_hover("menu_item")
 270                                    .child(
 271                                        Label::new(hover_label)
 272                                            .size(LabelSize::Small)
 273                                            .color(Color::Muted),
 274                                    )
 275                                    .child(
 276                                        Icon::new(IconName::ChevronRight)
 277                                            .size(IconSize::Small)
 278                                            .color(Color::Muted),
 279                                    ),
 280                            )
 281                        })
 282                        .into_any_element()
 283                },
 284                {
 285                    let lsp_logs = lsp_logs.clone();
 286                    let message = message.clone();
 287                    let server_selector = server_selector.clone();
 288                    let server_name = server_info.name.clone();
 289                    let workspace = self.workspace.clone();
 290                    move |window, cx| {
 291                        if has_logs {
 292                            lsp_logs.update(cx, |lsp_logs, cx| {
 293                                lsp_logs.open_server_trace(
 294                                    workspace.clone(),
 295                                    server_selector.clone(),
 296                                    window,
 297                                    cx,
 298                                );
 299                            });
 300                        } else if let Some(message) = &message {
 301                            let Some(create_buffer) = workspace
 302                                .update(cx, |workspace, cx| {
 303                                    workspace
 304                                        .project()
 305                                        .update(cx, |project, cx| project.create_buffer(cx))
 306                                })
 307                                .ok()
 308                            else {
 309                                return;
 310                            };
 311
 312                            let window = window.window_handle();
 313                            let workspace = workspace.clone();
 314                            let message = message.clone();
 315                            let server_name = server_name.clone();
 316                            cx.spawn(async move |cx| {
 317                                let buffer = create_buffer.await?;
 318                                buffer.update(cx, |buffer, cx| {
 319                                    buffer.edit(
 320                                        [(
 321                                            0..0,
 322                                            format!("Language server {server_name}:\n\n{message}"),
 323                                        )],
 324                                        None,
 325                                        cx,
 326                                    );
 327                                    buffer.set_capability(language::Capability::ReadOnly, cx);
 328                                })?;
 329
 330                                workspace.update(cx, |workspace, cx| {
 331                                    window.update(cx, |_, window, cx| {
 332                                        workspace.add_item_to_active_pane(
 333                                            Box::new(cx.new(|cx| {
 334                                                let mut editor =
 335                                                    Editor::for_buffer(buffer, None, window, cx);
 336                                                editor.set_read_only(true);
 337                                                editor
 338                                            })),
 339                                            None,
 340                                            true,
 341                                            window,
 342                                            cx,
 343                                        );
 344                                    })
 345                                })??;
 346
 347                                anyhow::Ok(())
 348                            })
 349                            .detach();
 350                        } else {
 351                            cx.propagate();
 352                            return;
 353                        }
 354                    }
 355                },
 356                message.map(|server_message| {
 357                    DocumentationAside::new(
 358                        DocumentationSide::Right,
 359                        Rc::new(move |_| Label::new(server_message.clone()).into_any_element()),
 360                    )
 361                }),
 362            ));
 363        }
 364        menu
 365    }
 366}
 367
 368impl LanguageServers {
 369    fn update_binary_status(
 370        &mut self,
 371        binary_status: BinaryStatus,
 372        message: Option<&str>,
 373        name: LanguageServerName,
 374    ) {
 375        let binary_status_message = message.map(SharedString::new);
 376        if matches!(
 377            binary_status,
 378            BinaryStatus::Stopped | BinaryStatus::Failed { .. }
 379        ) {
 380            self.health_statuses.retain(|_, server| server.name != name);
 381        }
 382        self.binary_statuses.insert(
 383            name,
 384            LanguageServerBinaryStatus {
 385                status: binary_status,
 386                message: binary_status_message,
 387            },
 388        );
 389    }
 390
 391    fn update_server_health(
 392        &mut self,
 393        id: LanguageServerId,
 394        health: ServerHealth,
 395        message: Option<&str>,
 396        name: Option<LanguageServerName>,
 397    ) {
 398        if let Some(state) = self.health_statuses.get_mut(&id) {
 399            state.health = Some((message.map(SharedString::new), health));
 400            if let Some(name) = name {
 401                state.name = name;
 402            }
 403        } else if let Some(name) = name {
 404            self.health_statuses.insert(
 405                id,
 406                LanguageServerHealthStatus {
 407                    health: Some((message.map(SharedString::new), health)),
 408                    name,
 409                },
 410            );
 411        }
 412    }
 413
 414    fn is_empty(&self) -> bool {
 415        self.binary_statuses.is_empty() && self.health_statuses.is_empty()
 416    }
 417}
 418
 419#[derive(Debug)]
 420enum ServerData<'a> {
 421    WithHealthCheck {
 422        server_id: LanguageServerId,
 423        health: &'a LanguageServerHealthStatus,
 424        binary_status: Option<&'a LanguageServerBinaryStatus>,
 425    },
 426    WithBinaryStatus {
 427        server_id: Option<LanguageServerId>,
 428        server_name: &'a LanguageServerName,
 429        binary_status: &'a LanguageServerBinaryStatus,
 430    },
 431}
 432
 433#[derive(Debug)]
 434enum LspMenuItem {
 435    WithHealthCheck {
 436        server_id: LanguageServerId,
 437        health: LanguageServerHealthStatus,
 438        binary_status: Option<LanguageServerBinaryStatus>,
 439    },
 440    WithBinaryStatus {
 441        server_id: Option<LanguageServerId>,
 442        server_name: LanguageServerName,
 443        binary_status: LanguageServerBinaryStatus,
 444    },
 445    ToggleServersButton {
 446        restart: bool,
 447    },
 448    Header {
 449        header: Option<SharedString>,
 450        separator: bool,
 451    },
 452}
 453
 454impl LspMenuItem {
 455    fn server_info(&self) -> Option<ServerInfo> {
 456        match self {
 457            Self::Header { .. } => None,
 458            Self::ToggleServersButton { .. } => None,
 459            Self::WithHealthCheck {
 460                server_id,
 461                health,
 462                binary_status,
 463                ..
 464            } => Some(ServerInfo {
 465                name: health.name.clone(),
 466                id: Some(*server_id),
 467                health: health.health(),
 468                binary_status: binary_status.clone(),
 469                message: health.message(),
 470            }),
 471            Self::WithBinaryStatus {
 472                server_id,
 473                server_name,
 474                binary_status,
 475                ..
 476            } => Some(ServerInfo {
 477                name: server_name.clone(),
 478                id: *server_id,
 479                health: None,
 480                binary_status: Some(binary_status.clone()),
 481                message: binary_status.message.clone(),
 482            }),
 483        }
 484    }
 485}
 486
 487impl ServerData<'_> {
 488    fn into_lsp_item(self) -> LspMenuItem {
 489        match self {
 490            Self::WithHealthCheck {
 491                server_id,
 492                health,
 493                binary_status,
 494                ..
 495            } => LspMenuItem::WithHealthCheck {
 496                server_id,
 497                health: health.clone(),
 498                binary_status: binary_status.cloned(),
 499            },
 500            Self::WithBinaryStatus {
 501                server_id,
 502                server_name,
 503                binary_status,
 504                ..
 505            } => LspMenuItem::WithBinaryStatus {
 506                server_id,
 507                server_name: server_name.clone(),
 508                binary_status: binary_status.clone(),
 509            },
 510        }
 511    }
 512}
 513
 514impl LspTool {
 515    pub fn new(
 516        workspace: &Workspace,
 517        popover_menu_handle: PopoverMenuHandle<ContextMenu>,
 518        window: &mut Window,
 519        cx: &mut Context<Self>,
 520    ) -> Self {
 521        let settings_subscription =
 522            cx.observe_global_in::<SettingsStore>(window, move |lsp_tool, window, cx| {
 523                if ProjectSettings::get_global(cx).global_lsp_settings.button {
 524                    if lsp_tool.lsp_menu.is_none() {
 525                        lsp_tool.refresh_lsp_menu(true, window, cx);
 526                        return;
 527                    }
 528                } else if lsp_tool.lsp_menu.take().is_some() {
 529                    cx.notify();
 530                }
 531            });
 532
 533        let lsp_store = workspace.project().read(cx).lsp_store();
 534        let lsp_store_subscription =
 535            cx.subscribe_in(&lsp_store, window, |lsp_tool, _, e, window, cx| {
 536                lsp_tool.on_lsp_store_event(e, window, cx)
 537            });
 538
 539        let state = cx.new(|_| LanguageServerState {
 540            workspace: workspace.weak_handle(),
 541            items: Vec::new(),
 542            lsp_store: lsp_store.downgrade(),
 543            active_editor: None,
 544            language_servers: LanguageServers::default(),
 545        });
 546
 547        Self {
 548            server_state: state,
 549            popover_menu_handle,
 550            lsp_menu: None,
 551            lsp_menu_refresh: Task::ready(()),
 552            _subscriptions: vec![settings_subscription, lsp_store_subscription],
 553        }
 554    }
 555
 556    fn on_lsp_store_event(
 557        &mut self,
 558        e: &LspStoreEvent,
 559        window: &mut Window,
 560        cx: &mut Context<Self>,
 561    ) {
 562        if self.lsp_menu.is_none() {
 563            return;
 564        };
 565        let mut updated = false;
 566
 567        match e {
 568            LspStoreEvent::LanguageServerUpdate {
 569                language_server_id,
 570                name,
 571                message: proto::update_language_server::Variant::StatusUpdate(status_update),
 572            } => match &status_update.status {
 573                Some(proto::status_update::Status::Binary(binary_status)) => {
 574                    let Some(name) = name.as_ref() else {
 575                        return;
 576                    };
 577                    if let Some(binary_status) = proto::ServerBinaryStatus::from_i32(*binary_status)
 578                    {
 579                        let binary_status = match binary_status {
 580                            proto::ServerBinaryStatus::None => BinaryStatus::None,
 581                            proto::ServerBinaryStatus::CheckingForUpdate => {
 582                                BinaryStatus::CheckingForUpdate
 583                            }
 584                            proto::ServerBinaryStatus::Downloading => BinaryStatus::Downloading,
 585                            proto::ServerBinaryStatus::Starting => BinaryStatus::Starting,
 586                            proto::ServerBinaryStatus::Stopping => BinaryStatus::Stopping,
 587                            proto::ServerBinaryStatus::Stopped => BinaryStatus::Stopped,
 588                            proto::ServerBinaryStatus::Failed => {
 589                                let Some(error) = status_update.message.clone() else {
 590                                    return;
 591                                };
 592                                BinaryStatus::Failed { error }
 593                            }
 594                        };
 595                        self.server_state.update(cx, |state, _| {
 596                            state.language_servers.update_binary_status(
 597                                binary_status,
 598                                status_update.message.as_deref(),
 599                                name.clone(),
 600                            );
 601                        });
 602                        updated = true;
 603                    };
 604                }
 605                Some(proto::status_update::Status::Health(health_status)) => {
 606                    if let Some(health) = proto::ServerHealth::from_i32(*health_status) {
 607                        let health = match health {
 608                            proto::ServerHealth::Ok => ServerHealth::Ok,
 609                            proto::ServerHealth::Warning => ServerHealth::Warning,
 610                            proto::ServerHealth::Error => ServerHealth::Error,
 611                        };
 612                        self.server_state.update(cx, |state, _| {
 613                            state.language_servers.update_server_health(
 614                                *language_server_id,
 615                                health,
 616                                status_update.message.as_deref(),
 617                                name.clone(),
 618                            );
 619                        });
 620                        updated = true;
 621                    }
 622                }
 623                None => {}
 624            },
 625            LspStoreEvent::LanguageServerUpdate {
 626                language_server_id,
 627                name,
 628                message: proto::update_language_server::Variant::RegisteredForBuffer(update),
 629                ..
 630            } => {
 631                self.server_state.update(cx, |state, cx| {
 632                    let Ok(worktree) = state.workspace.update(cx, |workspace, cx| {
 633                        workspace
 634                            .project()
 635                            .read(cx)
 636                            .find_worktree(Path::new(&update.buffer_abs_path), cx)
 637                            .map(|(worktree, _)| worktree.downgrade())
 638                    }) else {
 639                        return;
 640                    };
 641                    let entry = state
 642                        .language_servers
 643                        .servers_per_buffer_abs_path
 644                        .entry(PathBuf::from(&update.buffer_abs_path))
 645                        .or_insert_with(|| ServersForPath {
 646                            servers: HashMap::default(),
 647                            worktree: worktree.clone(),
 648                        });
 649                    entry.servers.insert(*language_server_id, name.clone());
 650                    if worktree.is_some() {
 651                        entry.worktree = worktree;
 652                    }
 653                });
 654                updated = true;
 655            }
 656            _ => {}
 657        };
 658
 659        if updated {
 660            self.refresh_lsp_menu(false, window, cx);
 661        }
 662    }
 663
 664    fn regenerate_items(&mut self, cx: &mut App) {
 665        self.server_state.update(cx, |state, cx| {
 666            let active_worktrees = state
 667                .active_editor
 668                .as_ref()
 669                .into_iter()
 670                .flat_map(|active_editor| {
 671                    active_editor
 672                        .editor
 673                        .upgrade()
 674                        .into_iter()
 675                        .flat_map(|active_editor| {
 676                            active_editor
 677                                .read(cx)
 678                                .buffer()
 679                                .read(cx)
 680                                .all_buffers()
 681                                .into_iter()
 682                                .filter_map(|buffer| {
 683                                    project::File::from_dyn(buffer.read(cx).file())
 684                                })
 685                                .map(|buffer_file| buffer_file.worktree.clone())
 686                        })
 687                })
 688                .collect::<HashSet<_>>();
 689
 690            let mut server_ids_to_worktrees =
 691                HashMap::<LanguageServerId, Entity<Worktree>>::default();
 692            let mut server_names_to_worktrees = HashMap::<
 693                LanguageServerName,
 694                HashSet<(Entity<Worktree>, LanguageServerId)>,
 695            >::default();
 696            for servers_for_path in state.language_servers.servers_per_buffer_abs_path.values() {
 697                if let Some(worktree) = servers_for_path
 698                    .worktree
 699                    .as_ref()
 700                    .and_then(|worktree| worktree.upgrade())
 701                {
 702                    for (server_id, server_name) in &servers_for_path.servers {
 703                        server_ids_to_worktrees.insert(*server_id, worktree.clone());
 704                        if let Some(server_name) = server_name {
 705                            server_names_to_worktrees
 706                                .entry(server_name.clone())
 707                                .or_default()
 708                                .insert((worktree.clone(), *server_id));
 709                        }
 710                    }
 711                }
 712            }
 713
 714            let mut servers_per_worktree = BTreeMap::<SharedString, Vec<ServerData>>::new();
 715            let mut servers_without_worktree = Vec::<ServerData>::new();
 716            let mut servers_with_health_checks = HashSet::default();
 717
 718            for (server_id, health) in &state.language_servers.health_statuses {
 719                let worktree = server_ids_to_worktrees.get(server_id).or_else(|| {
 720                    let worktrees = server_names_to_worktrees.get(&health.name)?;
 721                    worktrees
 722                        .iter()
 723                        .find(|(worktree, _)| active_worktrees.contains(worktree))
 724                        .or_else(|| worktrees.iter().next())
 725                        .map(|(worktree, _)| worktree)
 726                });
 727                servers_with_health_checks.insert(&health.name);
 728                let worktree_name =
 729                    worktree.map(|worktree| SharedString::new(worktree.read(cx).root_name()));
 730
 731                let binary_status = state.language_servers.binary_statuses.get(&health.name);
 732                let server_data = ServerData::WithHealthCheck {
 733                    server_id: *server_id,
 734                    health,
 735                    binary_status,
 736                };
 737                match worktree_name {
 738                    Some(worktree_name) => servers_per_worktree
 739                        .entry(worktree_name.clone())
 740                        .or_default()
 741                        .push(server_data),
 742                    None => servers_without_worktree.push(server_data),
 743                }
 744            }
 745
 746            let mut can_stop_all = !state.language_servers.health_statuses.is_empty();
 747            let mut can_restart_all = state.language_servers.health_statuses.is_empty();
 748            for (server_name, binary_status) in state
 749                .language_servers
 750                .binary_statuses
 751                .iter()
 752                .filter(|(name, _)| !servers_with_health_checks.contains(name))
 753            {
 754                match binary_status.status {
 755                    BinaryStatus::None => {
 756                        can_restart_all = false;
 757                        can_stop_all |= true;
 758                    }
 759                    BinaryStatus::CheckingForUpdate => {
 760                        can_restart_all = false;
 761                        can_stop_all = false;
 762                    }
 763                    BinaryStatus::Downloading => {
 764                        can_restart_all = false;
 765                        can_stop_all = false;
 766                    }
 767                    BinaryStatus::Starting => {
 768                        can_restart_all = false;
 769                        can_stop_all = false;
 770                    }
 771                    BinaryStatus::Stopping => {
 772                        can_restart_all = false;
 773                        can_stop_all = false;
 774                    }
 775                    BinaryStatus::Stopped => {}
 776                    BinaryStatus::Failed { .. } => {}
 777                }
 778
 779                match server_names_to_worktrees.get(server_name) {
 780                    Some(worktrees_for_name) => {
 781                        match worktrees_for_name
 782                            .iter()
 783                            .find(|(worktree, _)| active_worktrees.contains(worktree))
 784                            .or_else(|| worktrees_for_name.iter().next())
 785                        {
 786                            Some((worktree, server_id)) => {
 787                                let worktree_name =
 788                                    SharedString::new(worktree.read(cx).root_name());
 789                                servers_per_worktree
 790                                    .entry(worktree_name.clone())
 791                                    .or_default()
 792                                    .push(ServerData::WithBinaryStatus {
 793                                        server_name,
 794                                        binary_status,
 795                                        server_id: Some(*server_id),
 796                                    });
 797                            }
 798                            None => servers_without_worktree.push(ServerData::WithBinaryStatus {
 799                                server_name,
 800                                binary_status,
 801                                server_id: None,
 802                            }),
 803                        }
 804                    }
 805                    None => servers_without_worktree.push(ServerData::WithBinaryStatus {
 806                        server_name,
 807                        binary_status,
 808                        server_id: None,
 809                    }),
 810                }
 811            }
 812
 813            let mut new_lsp_items =
 814                Vec::with_capacity(servers_per_worktree.len() + servers_without_worktree.len() + 2);
 815            for (worktree_name, worktree_servers) in servers_per_worktree {
 816                if worktree_servers.is_empty() {
 817                    continue;
 818                }
 819                new_lsp_items.push(LspMenuItem::Header {
 820                    header: Some(worktree_name),
 821                    separator: false,
 822                });
 823                new_lsp_items.extend(worktree_servers.into_iter().map(ServerData::into_lsp_item));
 824            }
 825            if !servers_without_worktree.is_empty() {
 826                new_lsp_items.push(LspMenuItem::Header {
 827                    header: Some(SharedString::from("Unknown worktree")),
 828                    separator: false,
 829                });
 830                new_lsp_items.extend(
 831                    servers_without_worktree
 832                        .into_iter()
 833                        .map(ServerData::into_lsp_item),
 834                );
 835            }
 836            if !new_lsp_items.is_empty() {
 837                if can_stop_all {
 838                    new_lsp_items.push(LspMenuItem::ToggleServersButton { restart: true });
 839                    new_lsp_items.push(LspMenuItem::ToggleServersButton { restart: false });
 840                } else if can_restart_all {
 841                    new_lsp_items.push(LspMenuItem::ToggleServersButton { restart: true });
 842                }
 843            }
 844
 845            state.items = new_lsp_items;
 846        });
 847    }
 848
 849    fn refresh_lsp_menu(
 850        &mut self,
 851        create_if_empty: bool,
 852        window: &mut Window,
 853        cx: &mut Context<Self>,
 854    ) {
 855        if create_if_empty || self.lsp_menu.is_some() {
 856            let state = self.server_state.clone();
 857            self.lsp_menu_refresh = cx.spawn_in(window, async move |lsp_tool, cx| {
 858                cx.background_executor()
 859                    .timer(Duration::from_millis(30))
 860                    .await;
 861                lsp_tool
 862                    .update_in(cx, |lsp_tool, window, cx| {
 863                        lsp_tool.regenerate_items(cx);
 864                        let menu = ContextMenu::build(window, cx, |menu, _, cx| {
 865                            state.update(cx, |state, cx| state.fill_menu(menu, cx))
 866                        });
 867                        lsp_tool.lsp_menu = Some(menu.clone());
 868                        lsp_tool.popover_menu_handle.refresh_menu(
 869                            window,
 870                            cx,
 871                            Rc::new(move |_, _| Some(menu.clone())),
 872                        );
 873                        cx.notify();
 874                    })
 875                    .ok();
 876            });
 877        }
 878    }
 879}
 880
 881impl StatusItemView for LspTool {
 882    fn set_active_pane_item(
 883        &mut self,
 884        active_pane_item: Option<&dyn workspace::ItemHandle>,
 885        window: &mut Window,
 886        cx: &mut Context<Self>,
 887    ) {
 888        if ProjectSettings::get_global(cx).global_lsp_settings.button {
 889            if let Some(editor) = active_pane_item.and_then(|item| item.downcast::<Editor>()) {
 890                if Some(&editor)
 891                    != self
 892                        .server_state
 893                        .read(cx)
 894                        .active_editor
 895                        .as_ref()
 896                        .and_then(|active_editor| active_editor.editor.upgrade())
 897                        .as_ref()
 898                {
 899                    let editor_buffers =
 900                        HashSet::from_iter(editor.read(cx).buffer().read(cx).excerpt_buffer_ids());
 901                    let _editor_subscription = cx.subscribe_in(
 902                        &editor,
 903                        window,
 904                        |lsp_tool, _, e: &EditorEvent, window, cx| match e {
 905                            EditorEvent::ExcerptsAdded { buffer, .. } => {
 906                                let updated = lsp_tool.server_state.update(cx, |state, cx| {
 907                                    if let Some(active_editor) = state.active_editor.as_mut() {
 908                                        let buffer_id = buffer.read(cx).remote_id();
 909                                        active_editor.editor_buffers.insert(buffer_id)
 910                                    } else {
 911                                        false
 912                                    }
 913                                });
 914                                if updated {
 915                                    lsp_tool.refresh_lsp_menu(false, window, cx);
 916                                }
 917                            }
 918                            EditorEvent::ExcerptsRemoved {
 919                                removed_buffer_ids, ..
 920                            } => {
 921                                let removed = lsp_tool.server_state.update(cx, |state, _| {
 922                                    let mut removed = false;
 923                                    if let Some(active_editor) = state.active_editor.as_mut() {
 924                                        for id in removed_buffer_ids {
 925                                            active_editor.editor_buffers.retain(|buffer_id| {
 926                                                let retain = buffer_id != id;
 927                                                removed |= !retain;
 928                                                retain
 929                                            });
 930                                        }
 931                                    }
 932                                    removed
 933                                });
 934                                if removed {
 935                                    lsp_tool.refresh_lsp_menu(false, window, cx);
 936                                }
 937                            }
 938                            _ => {}
 939                        },
 940                    );
 941                    self.server_state.update(cx, |state, _| {
 942                        state.active_editor = Some(ActiveEditor {
 943                            editor: editor.downgrade(),
 944                            _editor_subscription,
 945                            editor_buffers,
 946                        });
 947                    });
 948                    self.refresh_lsp_menu(true, window, cx);
 949                }
 950            } else if self.server_state.read(cx).active_editor.is_some() {
 951                self.server_state.update(cx, |state, _| {
 952                    state.active_editor = None;
 953                });
 954                self.refresh_lsp_menu(false, window, cx);
 955            }
 956        } else if self.server_state.read(cx).active_editor.is_some() {
 957            self.server_state.update(cx, |state, _| {
 958                state.active_editor = None;
 959            });
 960            self.refresh_lsp_menu(false, window, cx);
 961        }
 962    }
 963}
 964
 965impl Render for LspTool {
 966    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl ui::IntoElement {
 967        if self.server_state.read(cx).language_servers.is_empty() || self.lsp_menu.is_none() {
 968            return div();
 969        }
 970
 971        let mut has_errors = false;
 972        let mut has_warnings = false;
 973        let mut has_other_notifications = false;
 974        let state = self.server_state.read(cx);
 975        for binary_status in state.language_servers.binary_statuses.values() {
 976            has_errors |= matches!(binary_status.status, BinaryStatus::Failed { .. });
 977            has_other_notifications |= binary_status.message.is_some();
 978        }
 979
 980        for server in state.language_servers.health_statuses.values() {
 981            if let Some((message, health)) = &server.health {
 982                has_other_notifications |= message.is_some();
 983                match health {
 984                    ServerHealth::Ok => {}
 985                    ServerHealth::Warning => has_warnings = true,
 986                    ServerHealth::Error => has_errors = true,
 987                }
 988            }
 989        }
 990
 991        let (indicator, description) = if has_errors {
 992            (
 993                Some(Indicator::dot().color(Color::Error)),
 994                "Server with errors",
 995            )
 996        } else if has_warnings {
 997            (
 998                Some(Indicator::dot().color(Color::Warning)),
 999                "Server with warnings",
1000            )
1001        } else if has_other_notifications {
1002            (
1003                Some(Indicator::dot().color(Color::Modified)),
1004                "Server with notifications",
1005            )
1006        } else {
1007            (None, "All Servers Operational")
1008        };
1009
1010        let lsp_tool = cx.entity();
1011
1012        div().child(
1013            PopoverMenu::new("lsp-tool")
1014                .menu(move |_, cx| lsp_tool.read(cx).lsp_menu.clone())
1015                .anchor(Corner::BottomLeft)
1016                .with_handle(self.popover_menu_handle.clone())
1017                .trigger_with_tooltip(
1018                    IconButton::new("zed-lsp-tool-button", IconName::BoltOutlined)
1019                        .when_some(indicator, IconButton::indicator)
1020                        .icon_size(IconSize::Small)
1021                        .indicator_border_color(Some(cx.theme().colors().status_bar_background)),
1022                    move |window, cx| {
1023                        Tooltip::with_meta(
1024                            "Language Servers",
1025                            Some(&ToggleMenu),
1026                            description,
1027                            window,
1028                            cx,
1029                        )
1030                    },
1031                ),
1032        )
1033    }
1034}