lsp_button.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::{
  15    LspStore, LspStoreEvent, Worktree, lsp_store::log_store::GlobalLogStore,
  16    project_settings::ProjectSettings,
  17};
  18use settings::{Settings as _, SettingsStore};
  19use ui::{
  20    Context, ContextMenu, ContextMenuEntry, ContextMenuItem, DocumentationAside, DocumentationSide,
  21    Indicator, PopoverMenu, PopoverMenuHandle, Tooltip, Window, prelude::*,
  22};
  23
  24use util::{ResultExt, rel_path::RelPath};
  25use workspace::{StatusItemView, Workspace};
  26
  27use crate::lsp_log_view;
  28
  29actions!(
  30    lsp_tool,
  31    [
  32        /// Toggles the language server tool menu.
  33        ToggleMenu
  34    ]
  35);
  36
  37pub struct LspButton {
  38    server_state: Entity<LanguageServerState>,
  39    popover_menu_handle: PopoverMenuHandle<ContextMenu>,
  40    lsp_menu: Option<Entity<ContextMenu>>,
  41    lsp_menu_refresh: Task<()>,
  42    _subscriptions: Vec<Subscription>,
  43}
  44
  45#[derive(Debug)]
  46struct LanguageServerState {
  47    items: Vec<LspMenuItem>,
  48    workspace: WeakEntity<Workspace>,
  49    lsp_store: WeakEntity<LspStore>,
  50    active_editor: Option<ActiveEditor>,
  51    language_servers: LanguageServers,
  52}
  53
  54struct ActiveEditor {
  55    editor: WeakEntity<Editor>,
  56    _editor_subscription: Subscription,
  57    editor_buffers: HashSet<BufferId>,
  58}
  59
  60impl std::fmt::Debug for ActiveEditor {
  61    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
  62        f.debug_struct("ActiveEditor")
  63            .field("editor", &self.editor)
  64            .field("editor_buffers", &self.editor_buffers)
  65            .finish_non_exhaustive()
  66    }
  67}
  68
  69#[derive(Debug, Default, Clone)]
  70struct LanguageServers {
  71    health_statuses: HashMap<LanguageServerId, LanguageServerHealthStatus>,
  72    binary_statuses: HashMap<LanguageServerName, LanguageServerBinaryStatus>,
  73    servers_per_buffer_abs_path: HashMap<PathBuf, ServersForPath>,
  74}
  75
  76#[derive(Debug, Clone)]
  77struct ServersForPath {
  78    servers: HashMap<LanguageServerId, Option<LanguageServerName>>,
  79    worktree: Option<WeakEntity<Worktree>>,
  80}
  81
  82#[derive(Debug, Clone)]
  83struct LanguageServerHealthStatus {
  84    name: LanguageServerName,
  85    health: Option<(Option<SharedString>, ServerHealth)>,
  86}
  87
  88#[derive(Debug, Clone)]
  89struct LanguageServerBinaryStatus {
  90    status: BinaryStatus,
  91    message: Option<SharedString>,
  92}
  93
  94#[derive(Debug)]
  95struct ServerInfo {
  96    name: LanguageServerName,
  97    id: LanguageServerId,
  98    health: Option<ServerHealth>,
  99    binary_status: Option<LanguageServerBinaryStatus>,
 100    message: Option<SharedString>,
 101}
 102
 103impl ServerInfo {
 104    fn server_selector(&self) -> LanguageServerSelector {
 105        LanguageServerSelector::Id(self.id)
 106    }
 107}
 108
 109impl LanguageServerHealthStatus {
 110    fn health(&self) -> Option<ServerHealth> {
 111        self.health.as_ref().map(|(_, health)| *health)
 112    }
 113
 114    fn message(&self) -> Option<SharedString> {
 115        self.health
 116            .as_ref()
 117            .and_then(|(message, _)| message.clone())
 118    }
 119}
 120
 121impl LanguageServerState {
 122    fn fill_menu(&self, mut menu: ContextMenu, cx: &mut Context<Self>) -> ContextMenu {
 123        let lsp_logs = cx
 124            .try_global::<GlobalLogStore>()
 125            .map(|lsp_logs| lsp_logs.0.clone());
 126        let Some(lsp_logs) = lsp_logs else {
 127            return menu;
 128        };
 129
 130        let server_versions = self
 131            .lsp_store
 132            .update(cx, |lsp_store, _| {
 133                lsp_store
 134                    .language_server_statuses()
 135                    .map(|(server_id, status)| (server_id, status.server_version.clone()))
 136                    .collect::<HashMap<_, _>>()
 137            })
 138            .unwrap_or_default();
 139
 140        let mut first_button_encountered = false;
 141        for item in &self.items {
 142            if let LspMenuItem::ToggleServersButton { restart } = item {
 143                let label = if *restart {
 144                    "Restart All Servers"
 145                } else {
 146                    "Stop All Servers"
 147                };
 148                let restart = *restart;
 149                let button = ContextMenuEntry::new(label).handler({
 150                    let state = cx.entity();
 151                    move |_, cx| {
 152                        let lsp_store = state.read(cx).lsp_store.clone();
 153                        lsp_store
 154                            .update(cx, |lsp_store, cx| {
 155                                if restart {
 156                                    let Some(workspace) = state.read(cx).workspace.upgrade() else {
 157                                        return;
 158                                    };
 159                                    let project = workspace.read(cx).project().clone();
 160                                    let path_style = project.read(cx).path_style(cx);
 161                                    let buffer_store = project.read(cx).buffer_store().clone();
 162                                    let buffers = state
 163                                        .read(cx)
 164                                        .language_servers
 165                                        .servers_per_buffer_abs_path
 166                                        .iter()
 167                                        .filter_map(|(abs_path, servers)| {
 168                                            let worktree =
 169                                                servers.worktree.as_ref()?.upgrade()?.read(cx);
 170                                            let relative_path =
 171                                                abs_path.strip_prefix(&worktree.abs_path()).ok()?;
 172                                            let relative_path =
 173                                                RelPath::new(relative_path, path_style)
 174                                                    .log_err()?;
 175                                            let entry = worktree.entry_for_path(&relative_path)?;
 176                                            let project_path =
 177                                                project.read(cx).path_for_entry(entry.id, cx)?;
 178                                            buffer_store.read(cx).get_by_path(&project_path)
 179                                        })
 180                                        .collect();
 181                                    let selectors = state
 182                                        .read(cx)
 183                                        .items
 184                                        .iter()
 185                                        // Do not try to use IDs as we have stopped all servers already, when allowing to restart them all
 186                                        .flat_map(|item| match item {
 187                                            LspMenuItem::Header { .. } => None,
 188                                            LspMenuItem::ToggleServersButton { .. } => None,
 189                                            LspMenuItem::WithHealthCheck { health, .. } => Some(
 190                                                LanguageServerSelector::Name(health.name.clone()),
 191                                            ),
 192                                            LspMenuItem::WithBinaryStatus {
 193                                                server_name, ..
 194                                            } => Some(LanguageServerSelector::Name(
 195                                                server_name.clone(),
 196                                            )),
 197                                        })
 198                                        .collect();
 199                                    lsp_store.restart_language_servers_for_buffers(
 200                                        buffers, selectors, cx,
 201                                    );
 202                                } else {
 203                                    lsp_store.stop_all_language_servers(cx);
 204                                }
 205                            })
 206                            .ok();
 207                    }
 208                });
 209                if !first_button_encountered {
 210                    menu = menu.separator();
 211                    first_button_encountered = true;
 212                }
 213                menu = menu.item(button);
 214                continue;
 215            } else if let LspMenuItem::Header { header, separator } = item {
 216                menu = menu
 217                    .when(*separator, |menu| menu.separator())
 218                    .when_some(header.as_ref(), |menu, header| menu.header(header));
 219                continue;
 220            }
 221
 222            let Some(server_info) = item.server_info() else {
 223                continue;
 224            };
 225            let server_selector = server_info.server_selector();
 226            let is_remote = self
 227                .lsp_store
 228                .update(cx, |lsp_store, _| lsp_store.as_remote().is_some())
 229                .unwrap_or(false);
 230            let has_logs = is_remote || lsp_logs.read(cx).has_server_logs(&server_selector);
 231
 232            let status_color = server_info
 233                .binary_status
 234                .as_ref()
 235                .and_then(|binary_status| match binary_status.status {
 236                    BinaryStatus::None => None,
 237                    BinaryStatus::CheckingForUpdate
 238                    | BinaryStatus::Downloading
 239                    | BinaryStatus::Starting => Some(Color::Modified),
 240                    BinaryStatus::Stopping => Some(Color::Disabled),
 241                    BinaryStatus::Stopped => Some(Color::Disabled),
 242                    BinaryStatus::Failed { .. } => Some(Color::Error),
 243                })
 244                .or_else(|| {
 245                    Some(match server_info.health? {
 246                        ServerHealth::Ok => Color::Success,
 247                        ServerHealth::Warning => Color::Warning,
 248                        ServerHealth::Error => Color::Error,
 249                    })
 250                })
 251                .unwrap_or(Color::Success);
 252
 253            let message = server_info
 254                .message
 255                .as_ref()
 256                .or_else(|| server_info.binary_status.as_ref()?.message.as_ref())
 257                .cloned();
 258            let hover_label = if message.is_some() {
 259                Some("View Message")
 260            } else if has_logs {
 261                Some("View Logs")
 262            } else {
 263                None
 264            };
 265
 266            let server_name = server_info.name.clone();
 267            let server_version = server_versions
 268                .get(&server_info.id)
 269                .and_then(|version| version.clone());
 270
 271            let tooltip_text = match (&server_version, &message) {
 272                (None, None) => None,
 273                (Some(version), None) => {
 274                    Some(SharedString::from(format!("Version: {}", version.as_ref())))
 275                }
 276                (None, Some(message)) => Some(message.clone()),
 277                (Some(version), Some(message)) => Some(SharedString::from(format!(
 278                    "Version: {}\n\n{}",
 279                    version.as_ref(),
 280                    message.as_ref()
 281                ))),
 282            };
 283            menu = menu.item(ContextMenuItem::custom_entry(
 284                move |_, _| {
 285                    h_flex()
 286                        .group("menu_item")
 287                        .w_full()
 288                        .gap_2()
 289                        .justify_between()
 290                        .child(
 291                            h_flex()
 292                                .gap_2()
 293                                .child(Indicator::dot().color(status_color))
 294                                .child(Label::new(server_name.0.clone())),
 295                        )
 296                        .when_some(hover_label, |div, hover_label| {
 297                            div.child(
 298                                h_flex()
 299                                    .visible_on_hover("menu_item")
 300                                    .child(
 301                                        Label::new(hover_label)
 302                                            .size(LabelSize::Small)
 303                                            .color(Color::Muted),
 304                                    )
 305                                    .child(
 306                                        Icon::new(IconName::ChevronRight)
 307                                            .size(IconSize::Small)
 308                                            .color(Color::Muted),
 309                                    ),
 310                            )
 311                        })
 312                        .into_any_element()
 313                },
 314                {
 315                    let lsp_logs = lsp_logs.clone();
 316                    let message = message.clone();
 317                    let server_selector = server_selector.clone();
 318                    let server_name = server_info.name.clone();
 319                    let workspace = self.workspace.clone();
 320                    move |window, cx| {
 321                        if let Some(message) = &message {
 322                            let Some(create_buffer) = workspace
 323                                .update(cx, |workspace, cx| {
 324                                    workspace
 325                                        .project()
 326                                        .update(cx, |project, cx| project.create_buffer(false, cx))
 327                                })
 328                                .ok()
 329                            else {
 330                                return;
 331                            };
 332
 333                            let window = window.window_handle();
 334                            let workspace = workspace.clone();
 335                            let message = message.clone();
 336                            let server_name = server_name.clone();
 337                            cx.spawn(async move |cx| {
 338                                let buffer = create_buffer.await?;
 339                                buffer.update(cx, |buffer, cx| {
 340                                    buffer.edit(
 341                                        [(
 342                                            0..0,
 343                                            format!("Language server {server_name}:\n\n{message}"),
 344                                        )],
 345                                        None,
 346                                        cx,
 347                                    );
 348                                    buffer.set_capability(language::Capability::ReadOnly, cx);
 349                                })?;
 350
 351                                workspace.update(cx, |workspace, cx| {
 352                                    window.update(cx, |_, window, cx| {
 353                                        workspace.add_item_to_active_pane(
 354                                            Box::new(cx.new(|cx| {
 355                                                let mut editor =
 356                                                    Editor::for_buffer(buffer, None, window, cx);
 357                                                editor.set_read_only(true);
 358                                                editor
 359                                            })),
 360                                            None,
 361                                            true,
 362                                            window,
 363                                            cx,
 364                                        );
 365                                    })
 366                                })??;
 367
 368                                anyhow::Ok(())
 369                            })
 370                            .detach();
 371                        } else if has_logs {
 372                            lsp_log_view::open_server_trace(
 373                                &lsp_logs,
 374                                workspace.clone(),
 375                                server_selector.clone(),
 376                                window,
 377                                cx,
 378                            );
 379                        } else {
 380                            cx.propagate();
 381                        }
 382                    }
 383                },
 384                tooltip_text.map(|tooltip_text| {
 385                    DocumentationAside::new(
 386                        DocumentationSide::Right,
 387                        Rc::new(move |_| Label::new(tooltip_text.clone()).into_any_element()),
 388                    )
 389                }),
 390            ));
 391        }
 392        menu
 393    }
 394}
 395
 396impl LanguageServers {
 397    fn update_binary_status(
 398        &mut self,
 399        binary_status: BinaryStatus,
 400        message: Option<&str>,
 401        name: LanguageServerName,
 402    ) {
 403        let binary_status_message = message.map(SharedString::new);
 404        if matches!(
 405            binary_status,
 406            BinaryStatus::Stopped | BinaryStatus::Failed { .. }
 407        ) {
 408            self.health_statuses.retain(|_, server| server.name != name);
 409        }
 410        self.binary_statuses.insert(
 411            name,
 412            LanguageServerBinaryStatus {
 413                status: binary_status,
 414                message: binary_status_message,
 415            },
 416        );
 417    }
 418
 419    fn update_server_health(
 420        &mut self,
 421        id: LanguageServerId,
 422        health: ServerHealth,
 423        message: Option<&str>,
 424        name: Option<LanguageServerName>,
 425    ) {
 426        if let Some(state) = self.health_statuses.get_mut(&id) {
 427            state.health = Some((message.map(SharedString::new), health));
 428            if let Some(name) = name {
 429                state.name = name;
 430            }
 431        } else if let Some(name) = name {
 432            self.health_statuses.insert(
 433                id,
 434                LanguageServerHealthStatus {
 435                    health: Some((message.map(SharedString::new), health)),
 436                    name,
 437                },
 438            );
 439        }
 440    }
 441
 442    fn is_empty(&self) -> bool {
 443        self.binary_statuses.is_empty() && self.health_statuses.is_empty()
 444    }
 445}
 446
 447#[derive(Debug)]
 448enum ServerData<'a> {
 449    WithHealthCheck {
 450        server_id: LanguageServerId,
 451        health: &'a LanguageServerHealthStatus,
 452        binary_status: Option<&'a LanguageServerBinaryStatus>,
 453    },
 454    WithBinaryStatus {
 455        server_id: LanguageServerId,
 456        server_name: &'a LanguageServerName,
 457        binary_status: &'a LanguageServerBinaryStatus,
 458    },
 459}
 460
 461#[derive(Debug)]
 462enum LspMenuItem {
 463    WithHealthCheck {
 464        server_id: LanguageServerId,
 465        health: LanguageServerHealthStatus,
 466        binary_status: Option<LanguageServerBinaryStatus>,
 467    },
 468    WithBinaryStatus {
 469        server_id: LanguageServerId,
 470        server_name: LanguageServerName,
 471        binary_status: LanguageServerBinaryStatus,
 472    },
 473    ToggleServersButton {
 474        restart: bool,
 475    },
 476    Header {
 477        header: Option<SharedString>,
 478        separator: bool,
 479    },
 480}
 481
 482impl LspMenuItem {
 483    fn server_info(&self) -> Option<ServerInfo> {
 484        match self {
 485            Self::Header { .. } => None,
 486            Self::ToggleServersButton { .. } => None,
 487            Self::WithHealthCheck {
 488                server_id,
 489                health,
 490                binary_status,
 491                ..
 492            } => Some(ServerInfo {
 493                name: health.name.clone(),
 494                id: *server_id,
 495                health: health.health(),
 496                binary_status: binary_status.clone(),
 497                message: health.message(),
 498            }),
 499            Self::WithBinaryStatus {
 500                server_id,
 501                server_name,
 502                binary_status,
 503                ..
 504            } => Some(ServerInfo {
 505                name: server_name.clone(),
 506                id: *server_id,
 507                health: None,
 508                binary_status: Some(binary_status.clone()),
 509                message: binary_status.message.clone(),
 510            }),
 511        }
 512    }
 513}
 514
 515impl ServerData<'_> {
 516    fn into_lsp_item(self) -> LspMenuItem {
 517        match self {
 518            Self::WithHealthCheck {
 519                server_id,
 520                health,
 521                binary_status,
 522                ..
 523            } => LspMenuItem::WithHealthCheck {
 524                server_id,
 525                health: health.clone(),
 526                binary_status: binary_status.cloned(),
 527            },
 528            Self::WithBinaryStatus {
 529                server_id,
 530                server_name,
 531                binary_status,
 532                ..
 533            } => LspMenuItem::WithBinaryStatus {
 534                server_id,
 535                server_name: server_name.clone(),
 536                binary_status: binary_status.clone(),
 537            },
 538        }
 539    }
 540}
 541
 542impl LspButton {
 543    pub fn new(
 544        workspace: &Workspace,
 545        popover_menu_handle: PopoverMenuHandle<ContextMenu>,
 546        window: &mut Window,
 547        cx: &mut Context<Self>,
 548    ) -> Self {
 549        let settings_subscription =
 550            cx.observe_global_in::<SettingsStore>(window, move |lsp_button, window, cx| {
 551                if ProjectSettings::get_global(cx).global_lsp_settings.button {
 552                    if lsp_button.lsp_menu.is_none() {
 553                        lsp_button.refresh_lsp_menu(true, window, cx);
 554                    }
 555                } else if lsp_button.lsp_menu.take().is_some() {
 556                    cx.notify();
 557                }
 558            });
 559
 560        let lsp_store = workspace.project().read(cx).lsp_store();
 561        let mut language_servers = LanguageServers::default();
 562        for (_, status) in lsp_store.read(cx).language_server_statuses() {
 563            language_servers.binary_statuses.insert(
 564                status.name.clone(),
 565                LanguageServerBinaryStatus {
 566                    status: BinaryStatus::None,
 567                    message: None,
 568                },
 569            );
 570        }
 571
 572        let lsp_store_subscription =
 573            cx.subscribe_in(&lsp_store, window, |lsp_button, _, e, window, cx| {
 574                lsp_button.on_lsp_store_event(e, window, cx)
 575            });
 576
 577        let server_state = cx.new(|_| LanguageServerState {
 578            workspace: workspace.weak_handle(),
 579            items: Vec::new(),
 580            lsp_store: lsp_store.downgrade(),
 581            active_editor: None,
 582            language_servers,
 583        });
 584
 585        let mut lsp_button = Self {
 586            server_state,
 587            popover_menu_handle,
 588            lsp_menu: None,
 589            lsp_menu_refresh: Task::ready(()),
 590            _subscriptions: vec![settings_subscription, lsp_store_subscription],
 591        };
 592        if !lsp_button
 593            .server_state
 594            .read(cx)
 595            .language_servers
 596            .binary_statuses
 597            .is_empty()
 598        {
 599            lsp_button.refresh_lsp_menu(true, window, cx);
 600        }
 601
 602        lsp_button
 603    }
 604
 605    fn on_lsp_store_event(
 606        &mut self,
 607        e: &LspStoreEvent,
 608        window: &mut Window,
 609        cx: &mut Context<Self>,
 610    ) {
 611        if self.lsp_menu.is_none() {
 612            return;
 613        };
 614        let mut updated = false;
 615
 616        // TODO `LspStore` is global and reports status from all language servers, even from the other windows.
 617        // Also, we do not get "LSP removed" events so LSPs are never removed.
 618        match e {
 619            LspStoreEvent::LanguageServerUpdate {
 620                language_server_id,
 621                name,
 622                message: proto::update_language_server::Variant::StatusUpdate(status_update),
 623            } => match &status_update.status {
 624                Some(proto::status_update::Status::Binary(binary_status)) => {
 625                    let Some(name) = name.as_ref() else {
 626                        return;
 627                    };
 628                    if let Some(binary_status) = proto::ServerBinaryStatus::from_i32(*binary_status)
 629                    {
 630                        let binary_status = match binary_status {
 631                            proto::ServerBinaryStatus::None => BinaryStatus::None,
 632                            proto::ServerBinaryStatus::CheckingForUpdate => {
 633                                BinaryStatus::CheckingForUpdate
 634                            }
 635                            proto::ServerBinaryStatus::Downloading => BinaryStatus::Downloading,
 636                            proto::ServerBinaryStatus::Starting => BinaryStatus::Starting,
 637                            proto::ServerBinaryStatus::Stopping => BinaryStatus::Stopping,
 638                            proto::ServerBinaryStatus::Stopped => BinaryStatus::Stopped,
 639                            proto::ServerBinaryStatus::Failed => {
 640                                let Some(error) = status_update.message.clone() else {
 641                                    return;
 642                                };
 643                                BinaryStatus::Failed { error }
 644                            }
 645                        };
 646                        self.server_state.update(cx, |state, _| {
 647                            state.language_servers.update_binary_status(
 648                                binary_status,
 649                                status_update.message.as_deref(),
 650                                name.clone(),
 651                            );
 652                        });
 653                        updated = true;
 654                    };
 655                }
 656                Some(proto::status_update::Status::Health(health_status)) => {
 657                    if let Some(health) = proto::ServerHealth::from_i32(*health_status) {
 658                        let health = match health {
 659                            proto::ServerHealth::Ok => ServerHealth::Ok,
 660                            proto::ServerHealth::Warning => ServerHealth::Warning,
 661                            proto::ServerHealth::Error => ServerHealth::Error,
 662                        };
 663                        self.server_state.update(cx, |state, _| {
 664                            state.language_servers.update_server_health(
 665                                *language_server_id,
 666                                health,
 667                                status_update.message.as_deref(),
 668                                name.clone(),
 669                            );
 670                        });
 671                        updated = true;
 672                    }
 673                }
 674                None => {}
 675            },
 676            LspStoreEvent::LanguageServerUpdate {
 677                language_server_id,
 678                name,
 679                message: proto::update_language_server::Variant::RegisteredForBuffer(update),
 680                ..
 681            } => {
 682                self.server_state.update(cx, |state, cx| {
 683                    let Ok(worktree) = state.workspace.update(cx, |workspace, cx| {
 684                        workspace
 685                            .project()
 686                            .read(cx)
 687                            .find_worktree(Path::new(&update.buffer_abs_path), cx)
 688                            .map(|(worktree, _)| worktree.downgrade())
 689                    }) else {
 690                        return;
 691                    };
 692                    let entry = state
 693                        .language_servers
 694                        .servers_per_buffer_abs_path
 695                        .entry(PathBuf::from(&update.buffer_abs_path))
 696                        .or_insert_with(|| ServersForPath {
 697                            servers: HashMap::default(),
 698                            worktree: worktree.clone(),
 699                        });
 700                    entry.servers.insert(*language_server_id, name.clone());
 701                    if worktree.is_some() {
 702                        entry.worktree = worktree;
 703                    }
 704                });
 705                updated = true;
 706            }
 707            _ => {}
 708        };
 709
 710        if updated {
 711            self.refresh_lsp_menu(false, window, cx);
 712        }
 713    }
 714
 715    fn regenerate_items(&mut self, cx: &mut App) {
 716        self.server_state.update(cx, |state, cx| {
 717            let active_worktrees = state
 718                .active_editor
 719                .as_ref()
 720                .into_iter()
 721                .flat_map(|active_editor| {
 722                    active_editor
 723                        .editor
 724                        .upgrade()
 725                        .into_iter()
 726                        .flat_map(|active_editor| {
 727                            active_editor
 728                                .read(cx)
 729                                .buffer()
 730                                .read(cx)
 731                                .all_buffers()
 732                                .into_iter()
 733                                .filter_map(|buffer| {
 734                                    project::File::from_dyn(buffer.read(cx).file())
 735                                })
 736                                .map(|buffer_file| buffer_file.worktree.clone())
 737                        })
 738                })
 739                .collect::<HashSet<_>>();
 740
 741            let mut server_ids_to_worktrees =
 742                HashMap::<LanguageServerId, Entity<Worktree>>::default();
 743            let mut server_names_to_worktrees = HashMap::<
 744                LanguageServerName,
 745                HashSet<(Entity<Worktree>, LanguageServerId)>,
 746            >::default();
 747            for servers_for_path in state.language_servers.servers_per_buffer_abs_path.values() {
 748                if let Some(worktree) = servers_for_path
 749                    .worktree
 750                    .as_ref()
 751                    .and_then(|worktree| worktree.upgrade())
 752                {
 753                    for (server_id, server_name) in &servers_for_path.servers {
 754                        server_ids_to_worktrees.insert(*server_id, worktree.clone());
 755                        if let Some(server_name) = server_name {
 756                            server_names_to_worktrees
 757                                .entry(server_name.clone())
 758                                .or_default()
 759                                .insert((worktree.clone(), *server_id));
 760                        }
 761                    }
 762                }
 763            }
 764            state
 765                .lsp_store
 766                .update(cx, |lsp_store, cx| {
 767                    for (server_id, status) in lsp_store.language_server_statuses() {
 768                        if let Some(worktree) = status.worktree.and_then(|worktree_id| {
 769                            lsp_store
 770                                .worktree_store()
 771                                .read(cx)
 772                                .worktree_for_id(worktree_id, cx)
 773                        }) {
 774                            server_ids_to_worktrees.insert(server_id, worktree.clone());
 775                            server_names_to_worktrees
 776                                .entry(status.name.clone())
 777                                .or_default()
 778                                .insert((worktree, server_id));
 779                        }
 780                    }
 781                })
 782                .ok();
 783
 784            let mut servers_per_worktree = BTreeMap::<SharedString, Vec<ServerData>>::new();
 785            let mut servers_with_health_checks = HashSet::default();
 786
 787            for (server_id, health) in &state.language_servers.health_statuses {
 788                let worktree = server_ids_to_worktrees.get(server_id).or_else(|| {
 789                    let worktrees = server_names_to_worktrees.get(&health.name)?;
 790                    worktrees
 791                        .iter()
 792                        .find(|(worktree, _)| active_worktrees.contains(worktree))
 793                        .or_else(|| worktrees.iter().next())
 794                        .map(|(worktree, _)| worktree)
 795                });
 796                servers_with_health_checks.insert(&health.name);
 797                let worktree_name =
 798                    worktree.map(|worktree| SharedString::new(worktree.read(cx).root_name_str()));
 799
 800                let binary_status = state.language_servers.binary_statuses.get(&health.name);
 801                let server_data = ServerData::WithHealthCheck {
 802                    server_id: *server_id,
 803                    health,
 804                    binary_status,
 805                };
 806                if let Some(worktree_name) = worktree_name {
 807                    servers_per_worktree
 808                        .entry(worktree_name.clone())
 809                        .or_default()
 810                        .push(server_data);
 811                }
 812            }
 813
 814            let mut can_stop_all = !state.language_servers.health_statuses.is_empty();
 815            let mut can_restart_all = state.language_servers.health_statuses.is_empty();
 816            for (server_name, binary_status) in state
 817                .language_servers
 818                .binary_statuses
 819                .iter()
 820                .filter(|(name, _)| !servers_with_health_checks.contains(name))
 821            {
 822                match binary_status.status {
 823                    BinaryStatus::None => {
 824                        can_restart_all = false;
 825                        can_stop_all |= true;
 826                    }
 827                    BinaryStatus::CheckingForUpdate => {
 828                        can_restart_all = false;
 829                        can_stop_all = false;
 830                    }
 831                    BinaryStatus::Downloading => {
 832                        can_restart_all = false;
 833                        can_stop_all = false;
 834                    }
 835                    BinaryStatus::Starting => {
 836                        can_restart_all = false;
 837                        can_stop_all = false;
 838                    }
 839                    BinaryStatus::Stopping => {
 840                        can_restart_all = false;
 841                        can_stop_all = false;
 842                    }
 843                    BinaryStatus::Stopped => {}
 844                    BinaryStatus::Failed { .. } => {}
 845                }
 846
 847                if let Some(worktrees_for_name) = server_names_to_worktrees.get(server_name)
 848                    && let Some((worktree, server_id)) = worktrees_for_name
 849                        .iter()
 850                        .find(|(worktree, _)| active_worktrees.contains(worktree))
 851                        .or_else(|| worktrees_for_name.iter().next())
 852                {
 853                    let worktree_name = SharedString::new(worktree.read(cx).root_name_str());
 854                    servers_per_worktree
 855                        .entry(worktree_name.clone())
 856                        .or_default()
 857                        .push(ServerData::WithBinaryStatus {
 858                            server_name,
 859                            binary_status,
 860                            server_id: *server_id,
 861                        });
 862                }
 863            }
 864
 865            let mut new_lsp_items = Vec::with_capacity(servers_per_worktree.len() + 1);
 866            for (worktree_name, worktree_servers) in servers_per_worktree {
 867                if worktree_servers.is_empty() {
 868                    continue;
 869                }
 870                new_lsp_items.push(LspMenuItem::Header {
 871                    header: Some(worktree_name),
 872                    separator: false,
 873                });
 874                new_lsp_items.extend(worktree_servers.into_iter().map(ServerData::into_lsp_item));
 875            }
 876            if !new_lsp_items.is_empty() {
 877                if can_stop_all {
 878                    new_lsp_items.push(LspMenuItem::ToggleServersButton { restart: true });
 879                    new_lsp_items.push(LspMenuItem::ToggleServersButton { restart: false });
 880                } else if can_restart_all {
 881                    new_lsp_items.push(LspMenuItem::ToggleServersButton { restart: true });
 882                }
 883            }
 884
 885            state.items = new_lsp_items;
 886        });
 887    }
 888
 889    fn refresh_lsp_menu(
 890        &mut self,
 891        create_if_empty: bool,
 892        window: &mut Window,
 893        cx: &mut Context<Self>,
 894    ) {
 895        if create_if_empty || self.lsp_menu.is_some() {
 896            let state = self.server_state.clone();
 897            self.lsp_menu_refresh = cx.spawn_in(window, async move |lsp_button, cx| {
 898                cx.background_executor()
 899                    .timer(Duration::from_millis(30))
 900                    .await;
 901                lsp_button
 902                    .update_in(cx, |lsp_button, window, cx| {
 903                        lsp_button.regenerate_items(cx);
 904                        let menu = ContextMenu::build(window, cx, |menu, _, cx| {
 905                            state.update(cx, |state, cx| state.fill_menu(menu, cx))
 906                        });
 907                        lsp_button.lsp_menu = Some(menu.clone());
 908                        lsp_button.popover_menu_handle.refresh_menu(
 909                            window,
 910                            cx,
 911                            Rc::new(move |_, _| Some(menu.clone())),
 912                        );
 913                        cx.notify();
 914                    })
 915                    .ok();
 916            });
 917        }
 918    }
 919}
 920
 921impl StatusItemView for LspButton {
 922    fn set_active_pane_item(
 923        &mut self,
 924        active_pane_item: Option<&dyn workspace::ItemHandle>,
 925        window: &mut Window,
 926        cx: &mut Context<Self>,
 927    ) {
 928        if ProjectSettings::get_global(cx).global_lsp_settings.button {
 929            if let Some(editor) = active_pane_item.and_then(|item| item.downcast::<Editor>()) {
 930                if Some(&editor)
 931                    != self
 932                        .server_state
 933                        .read(cx)
 934                        .active_editor
 935                        .as_ref()
 936                        .and_then(|active_editor| active_editor.editor.upgrade())
 937                        .as_ref()
 938                {
 939                    let editor_buffers =
 940                        HashSet::from_iter(editor.read(cx).buffer().read(cx).excerpt_buffer_ids());
 941                    let _editor_subscription = cx.subscribe_in(
 942                        &editor,
 943                        window,
 944                        |lsp_button, _, e: &EditorEvent, window, cx| match e {
 945                            EditorEvent::ExcerptsAdded { buffer, .. } => {
 946                                let updated = lsp_button.server_state.update(cx, |state, cx| {
 947                                    if let Some(active_editor) = state.active_editor.as_mut() {
 948                                        let buffer_id = buffer.read(cx).remote_id();
 949                                        active_editor.editor_buffers.insert(buffer_id)
 950                                    } else {
 951                                        false
 952                                    }
 953                                });
 954                                if updated {
 955                                    lsp_button.refresh_lsp_menu(false, window, cx);
 956                                }
 957                            }
 958                            EditorEvent::ExcerptsRemoved {
 959                                removed_buffer_ids, ..
 960                            } => {
 961                                let removed = lsp_button.server_state.update(cx, |state, _| {
 962                                    let mut removed = false;
 963                                    if let Some(active_editor) = state.active_editor.as_mut() {
 964                                        for id in removed_buffer_ids {
 965                                            active_editor.editor_buffers.retain(|buffer_id| {
 966                                                let retain = buffer_id != id;
 967                                                removed |= !retain;
 968                                                retain
 969                                            });
 970                                        }
 971                                    }
 972                                    removed
 973                                });
 974                                if removed {
 975                                    lsp_button.refresh_lsp_menu(false, window, cx);
 976                                }
 977                            }
 978                            _ => {}
 979                        },
 980                    );
 981                    self.server_state.update(cx, |state, _| {
 982                        state.active_editor = Some(ActiveEditor {
 983                            editor: editor.downgrade(),
 984                            _editor_subscription,
 985                            editor_buffers,
 986                        });
 987                    });
 988                    self.refresh_lsp_menu(true, window, cx);
 989                }
 990            } else if self.server_state.read(cx).active_editor.is_some() {
 991                self.server_state.update(cx, |state, _| {
 992                    state.active_editor = None;
 993                });
 994                self.refresh_lsp_menu(false, window, cx);
 995            }
 996        } else if self.server_state.read(cx).active_editor.is_some() {
 997            self.server_state.update(cx, |state, _| {
 998                state.active_editor = None;
 999            });
1000            self.refresh_lsp_menu(false, window, cx);
1001        }
1002    }
1003}
1004
1005impl Render for LspButton {
1006    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl ui::IntoElement {
1007        if self.server_state.read(cx).language_servers.is_empty() || self.lsp_menu.is_none() {
1008            return div().hidden();
1009        }
1010
1011        let mut has_errors = false;
1012        let mut has_warnings = false;
1013        let mut has_other_notifications = false;
1014        let state = self.server_state.read(cx);
1015        for binary_status in state.language_servers.binary_statuses.values() {
1016            has_errors |= matches!(binary_status.status, BinaryStatus::Failed { .. });
1017            has_other_notifications |= binary_status.message.is_some();
1018        }
1019
1020        for server in state.language_servers.health_statuses.values() {
1021            if let Some((message, health)) = &server.health {
1022                has_other_notifications |= message.is_some();
1023                match health {
1024                    ServerHealth::Ok => {}
1025                    ServerHealth::Warning => has_warnings = true,
1026                    ServerHealth::Error => has_errors = true,
1027                }
1028            }
1029        }
1030
1031        let (indicator, description) = if has_errors {
1032            (
1033                Some(Indicator::dot().color(Color::Error)),
1034                "Server with errors",
1035            )
1036        } else if has_warnings {
1037            (
1038                Some(Indicator::dot().color(Color::Warning)),
1039                "Server with warnings",
1040            )
1041        } else if has_other_notifications {
1042            (
1043                Some(Indicator::dot().color(Color::Modified)),
1044                "Server with notifications",
1045            )
1046        } else {
1047            (None, "All Servers Operational")
1048        };
1049
1050        let lsp_button = cx.weak_entity();
1051
1052        div().child(
1053            PopoverMenu::new("lsp-tool")
1054                .menu(move |_, cx| {
1055                    lsp_button
1056                        .read_with(cx, |lsp_button, _| lsp_button.lsp_menu.clone())
1057                        .ok()
1058                        .flatten()
1059                })
1060                .anchor(Corner::BottomLeft)
1061                .with_handle(self.popover_menu_handle.clone())
1062                .trigger_with_tooltip(
1063                    IconButton::new("zed-lsp-tool-button", IconName::BoltOutlined)
1064                        .when_some(indicator, IconButton::indicator)
1065                        .icon_size(IconSize::Small)
1066                        .indicator_border_color(Some(cx.theme().colors().status_bar_background)),
1067                    move |_window, cx| {
1068                        Tooltip::with_meta("Language Servers", Some(&ToggleMenu), description, cx)
1069                    },
1070                ),
1071        )
1072    }
1073}