threads_archive_view.rs

   1use std::collections::HashSet;
   2use std::sync::Arc;
   3
   4use crate::agent_connection_store::AgentConnectionStore;
   5
   6use crate::thread_metadata_store::{ThreadMetadata, ThreadMetadataStore};
   7use crate::{Agent, RemoveSelectedThread};
   8
   9use agent::ThreadStore;
  10use agent_client_protocol as acp;
  11use agent_settings::AgentSettings;
  12use chrono::{DateTime, Datelike as _, Local, NaiveDate, TimeDelta, Utc};
  13use editor::Editor;
  14use fs::Fs;
  15use fuzzy::{StringMatch, StringMatchCandidate};
  16use gpui::{
  17    AnyElement, App, Context, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable,
  18    ListState, Render, SharedString, Subscription, Task, WeakEntity, Window, list, prelude::*, px,
  19};
  20use itertools::Itertools as _;
  21use menu::{Confirm, SelectFirst, SelectLast, SelectNext, SelectPrevious};
  22use picker::{
  23    Picker, PickerDelegate,
  24    highlighted_match_with_paths::{HighlightedMatch, HighlightedMatchWithPaths},
  25};
  26use project::{AgentId, AgentServerStore};
  27use settings::Settings as _;
  28use theme::ActiveTheme;
  29use ui::ThreadItem;
  30use ui::{
  31    Divider, KeyBinding, ListItem, ListItemSpacing, ListSubHeader, Tooltip, WithScrollbar,
  32    prelude::*, utils::platform_title_bar_height,
  33};
  34use ui_input::ErasedEditor;
  35use util::ResultExt;
  36use util::paths::PathExt;
  37use workspace::{
  38    ModalView, PathList, SerializedWorkspaceLocation, Workspace, WorkspaceDb, WorkspaceId,
  39    resolve_worktree_workspaces,
  40};
  41
  42use zed_actions::agents_sidebar::FocusSidebarFilter;
  43use zed_actions::editor::{MoveDown, MoveUp};
  44
  45#[derive(Clone)]
  46enum ArchiveListItem {
  47    BucketSeparator(TimeBucket),
  48    Entry {
  49        thread: ThreadMetadata,
  50        highlight_positions: Vec<usize>,
  51    },
  52}
  53
  54#[derive(Clone, Copy, Debug, PartialEq, Eq)]
  55enum TimeBucket {
  56    Today,
  57    Yesterday,
  58    ThisWeek,
  59    PastWeek,
  60    Older,
  61}
  62
  63impl TimeBucket {
  64    fn from_dates(reference: NaiveDate, date: NaiveDate) -> Self {
  65        if date == reference {
  66            return TimeBucket::Today;
  67        }
  68        if date == reference - TimeDelta::days(1) {
  69            return TimeBucket::Yesterday;
  70        }
  71        let week = date.iso_week();
  72        if reference.iso_week() == week {
  73            return TimeBucket::ThisWeek;
  74        }
  75        let last_week = (reference - TimeDelta::days(7)).iso_week();
  76        if week == last_week {
  77            return TimeBucket::PastWeek;
  78        }
  79        TimeBucket::Older
  80    }
  81
  82    fn label(&self) -> &'static str {
  83        match self {
  84            TimeBucket::Today => "Today",
  85            TimeBucket::Yesterday => "Yesterday",
  86            TimeBucket::ThisWeek => "This Week",
  87            TimeBucket::PastWeek => "Past Week",
  88            TimeBucket::Older => "Older",
  89        }
  90    }
  91}
  92
  93fn fuzzy_match_positions(query: &str, text: &str) -> Option<Vec<usize>> {
  94    let mut positions = Vec::new();
  95    let mut query_chars = query.chars().peekable();
  96    for (byte_idx, candidate_char) in text.char_indices() {
  97        if let Some(&query_char) = query_chars.peek() {
  98            if candidate_char.eq_ignore_ascii_case(&query_char) {
  99                positions.push(byte_idx);
 100                query_chars.next();
 101            }
 102        } else {
 103            break;
 104        }
 105    }
 106    if query_chars.peek().is_none() {
 107        Some(positions)
 108    } else {
 109        None
 110    }
 111}
 112
 113pub enum ThreadsArchiveViewEvent {
 114    Close,
 115    Unarchive { thread: ThreadMetadata },
 116}
 117
 118impl EventEmitter<ThreadsArchiveViewEvent> for ThreadsArchiveView {}
 119
 120pub struct ThreadsArchiveView {
 121    _history_subscription: Subscription,
 122    focus_handle: FocusHandle,
 123    list_state: ListState,
 124    items: Vec<ArchiveListItem>,
 125    selection: Option<usize>,
 126    hovered_index: Option<usize>,
 127    preserve_selection_on_next_update: bool,
 128    filter_editor: Entity<Editor>,
 129    _subscriptions: Vec<gpui::Subscription>,
 130    _refresh_history_task: Task<()>,
 131    workspace: WeakEntity<Workspace>,
 132    agent_connection_store: WeakEntity<AgentConnectionStore>,
 133    agent_server_store: WeakEntity<AgentServerStore>,
 134}
 135
 136impl ThreadsArchiveView {
 137    pub fn new(
 138        workspace: WeakEntity<Workspace>,
 139        agent_connection_store: WeakEntity<AgentConnectionStore>,
 140        agent_server_store: WeakEntity<AgentServerStore>,
 141        window: &mut Window,
 142        cx: &mut Context<Self>,
 143    ) -> Self {
 144        let focus_handle = cx.focus_handle();
 145
 146        let filter_editor = cx.new(|cx| {
 147            let mut editor = Editor::single_line(window, cx);
 148            editor.set_placeholder_text("Search archive…", window, cx);
 149            editor
 150        });
 151
 152        let filter_editor_subscription =
 153            cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 154                if let editor::EditorEvent::BufferEdited = event {
 155                    this.update_items(cx);
 156                }
 157            });
 158
 159        let filter_focus_handle = filter_editor.read(cx).focus_handle(cx);
 160        cx.on_focus_in(
 161            &filter_focus_handle,
 162            window,
 163            |this: &mut Self, _window, cx| {
 164                if this.selection.is_some() {
 165                    this.selection = None;
 166                    cx.notify();
 167                }
 168            },
 169        )
 170        .detach();
 171
 172        let thread_metadata_store_subscription = cx.observe(
 173            &ThreadMetadataStore::global(cx),
 174            |this: &mut Self, _, cx| {
 175                this.update_items(cx);
 176            },
 177        );
 178
 179        cx.on_focus_out(&focus_handle, window, |this: &mut Self, _, _window, cx| {
 180            this.selection = None;
 181            cx.notify();
 182        })
 183        .detach();
 184
 185        let mut this = Self {
 186            _history_subscription: Subscription::new(|| {}),
 187            focus_handle,
 188            list_state: ListState::new(0, gpui::ListAlignment::Top, px(1000.)),
 189            items: Vec::new(),
 190            selection: None,
 191            hovered_index: None,
 192            preserve_selection_on_next_update: false,
 193            filter_editor,
 194            _subscriptions: vec![
 195                filter_editor_subscription,
 196                thread_metadata_store_subscription,
 197            ],
 198            _refresh_history_task: Task::ready(()),
 199            workspace,
 200            agent_connection_store,
 201            agent_server_store,
 202        };
 203
 204        this.update_items(cx);
 205        this
 206    }
 207
 208    pub fn has_selection(&self) -> bool {
 209        self.selection.is_some()
 210    }
 211
 212    pub fn clear_selection(&mut self) {
 213        self.selection = None;
 214    }
 215
 216    pub fn focus_filter_editor(&self, window: &mut Window, cx: &mut App) {
 217        let handle = self.filter_editor.read(cx).focus_handle(cx);
 218        handle.focus(window, cx);
 219    }
 220
 221    pub fn is_filter_editor_focused(&self, window: &Window, cx: &App) -> bool {
 222        self.filter_editor
 223            .read(cx)
 224            .focus_handle(cx)
 225            .is_focused(window)
 226    }
 227
 228    fn update_items(&mut self, cx: &mut Context<Self>) {
 229        let sessions = ThreadMetadataStore::global(cx)
 230            .read(cx)
 231            .archived_entries()
 232            .sorted_by_cached_key(|t| t.created_at.unwrap_or(t.updated_at))
 233            .rev()
 234            .cloned()
 235            .collect::<Vec<_>>();
 236
 237        let query = self.filter_editor.read(cx).text(cx).to_lowercase();
 238        let today = Local::now().naive_local().date();
 239
 240        let mut items = Vec::with_capacity(sessions.len() + 5);
 241        let mut current_bucket: Option<TimeBucket> = None;
 242
 243        for session in sessions {
 244            let highlight_positions = if !query.is_empty() {
 245                match fuzzy_match_positions(&query, &session.title) {
 246                    Some(positions) => positions,
 247                    None => continue,
 248                }
 249            } else {
 250                Vec::new()
 251            };
 252
 253            let entry_bucket = {
 254                let entry_date = session
 255                    .created_at
 256                    .unwrap_or(session.updated_at)
 257                    .with_timezone(&Local)
 258                    .naive_local()
 259                    .date();
 260                TimeBucket::from_dates(today, entry_date)
 261            };
 262
 263            if Some(entry_bucket) != current_bucket {
 264                current_bucket = Some(entry_bucket);
 265                items.push(ArchiveListItem::BucketSeparator(entry_bucket));
 266            }
 267
 268            items.push(ArchiveListItem::Entry {
 269                thread: session,
 270                highlight_positions,
 271            });
 272        }
 273
 274        let preserve = self.preserve_selection_on_next_update;
 275        self.preserve_selection_on_next_update = false;
 276
 277        let saved_scroll = if preserve {
 278            Some(self.list_state.logical_scroll_top())
 279        } else {
 280            None
 281        };
 282
 283        self.list_state.reset(items.len());
 284        self.items = items;
 285
 286        if !preserve {
 287            self.hovered_index = None;
 288        } else if let Some(ix) = self.hovered_index {
 289            if ix >= self.items.len() || !self.is_selectable_item(ix) {
 290                self.hovered_index = None;
 291            }
 292        }
 293
 294        if let Some(scroll_top) = saved_scroll {
 295            self.list_state.scroll_to(scroll_top);
 296
 297            if let Some(ix) = self.selection {
 298                let next = self.find_next_selectable(ix).or_else(|| {
 299                    ix.checked_sub(1)
 300                        .and_then(|i| self.find_previous_selectable(i))
 301                });
 302                self.selection = next;
 303                if let Some(next) = next {
 304                    self.list_state.scroll_to_reveal_item(next);
 305                }
 306            }
 307        } else {
 308            self.selection = None;
 309        }
 310
 311        cx.notify();
 312    }
 313
 314    fn reset_filter_editor_text(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 315        self.filter_editor.update(cx, |editor, cx| {
 316            editor.set_text("", window, cx);
 317        });
 318    }
 319
 320    fn unarchive_thread(
 321        &mut self,
 322        thread: ThreadMetadata,
 323        window: &mut Window,
 324        cx: &mut Context<Self>,
 325    ) {
 326        if thread.folder_paths.is_empty() {
 327            self.show_project_picker_for_thread(thread, window, cx);
 328            return;
 329        }
 330
 331        self.selection = None;
 332        self.reset_filter_editor_text(window, cx);
 333        cx.emit(ThreadsArchiveViewEvent::Unarchive { thread });
 334    }
 335
 336    fn show_project_picker_for_thread(
 337        &mut self,
 338        thread: ThreadMetadata,
 339        window: &mut Window,
 340        cx: &mut Context<Self>,
 341    ) {
 342        let Some(workspace) = self.workspace.upgrade() else {
 343            return;
 344        };
 345
 346        let archive_view = cx.weak_entity();
 347        let fs = workspace.read(cx).app_state().fs.clone();
 348        let current_workspace_id = workspace.read(cx).database_id();
 349        let sibling_workspace_ids: HashSet<WorkspaceId> = workspace
 350            .read(cx)
 351            .multi_workspace()
 352            .and_then(|mw| mw.upgrade())
 353            .map(|mw| {
 354                mw.read(cx)
 355                    .workspaces()
 356                    .filter_map(|ws| ws.read(cx).database_id())
 357                    .collect()
 358            })
 359            .unwrap_or_default();
 360
 361        workspace.update(cx, |workspace, cx| {
 362            workspace.toggle_modal(window, cx, |window, cx| {
 363                ProjectPickerModal::new(
 364                    thread,
 365                    fs,
 366                    archive_view,
 367                    current_workspace_id,
 368                    sibling_workspace_ids,
 369                    window,
 370                    cx,
 371                )
 372            });
 373        });
 374    }
 375
 376    fn is_selectable_item(&self, ix: usize) -> bool {
 377        matches!(self.items.get(ix), Some(ArchiveListItem::Entry { .. }))
 378    }
 379
 380    fn find_next_selectable(&self, start: usize) -> Option<usize> {
 381        (start..self.items.len()).find(|&i| self.is_selectable_item(i))
 382    }
 383
 384    fn find_previous_selectable(&self, start: usize) -> Option<usize> {
 385        (0..=start).rev().find(|&i| self.is_selectable_item(i))
 386    }
 387
 388    fn editor_move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
 389        self.select_next(&SelectNext, window, cx);
 390        if self.selection.is_some() {
 391            self.focus_handle.focus(window, cx);
 392        }
 393    }
 394
 395    fn editor_move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
 396        self.select_previous(&SelectPrevious, window, cx);
 397        if self.selection.is_some() {
 398            self.focus_handle.focus(window, cx);
 399        }
 400    }
 401
 402    fn select_next(&mut self, _: &SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
 403        let next = match self.selection {
 404            Some(ix) => self.find_next_selectable(ix + 1),
 405            None => self.find_next_selectable(0),
 406        };
 407        if let Some(next) = next {
 408            self.selection = Some(next);
 409            self.list_state.scroll_to_reveal_item(next);
 410            cx.notify();
 411        }
 412    }
 413
 414    fn select_previous(&mut self, _: &SelectPrevious, window: &mut Window, cx: &mut Context<Self>) {
 415        match self.selection {
 416            Some(ix) => {
 417                if let Some(prev) = (ix > 0)
 418                    .then(|| self.find_previous_selectable(ix - 1))
 419                    .flatten()
 420                {
 421                    self.selection = Some(prev);
 422                    self.list_state.scroll_to_reveal_item(prev);
 423                } else {
 424                    self.selection = None;
 425                    self.focus_filter_editor(window, cx);
 426                }
 427                cx.notify();
 428            }
 429            None => {
 430                let last = self.items.len().saturating_sub(1);
 431                if let Some(prev) = self.find_previous_selectable(last) {
 432                    self.selection = Some(prev);
 433                    self.list_state.scroll_to_reveal_item(prev);
 434                    cx.notify();
 435                }
 436            }
 437        }
 438    }
 439
 440    fn select_first(&mut self, _: &SelectFirst, _window: &mut Window, cx: &mut Context<Self>) {
 441        if let Some(first) = self.find_next_selectable(0) {
 442            self.selection = Some(first);
 443            self.list_state.scroll_to_reveal_item(first);
 444            cx.notify();
 445        }
 446    }
 447
 448    fn select_last(&mut self, _: &SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
 449        let last = self.items.len().saturating_sub(1);
 450        if let Some(last) = self.find_previous_selectable(last) {
 451            self.selection = Some(last);
 452            self.list_state.scroll_to_reveal_item(last);
 453            cx.notify();
 454        }
 455    }
 456
 457    fn confirm(&mut self, _: &Confirm, window: &mut Window, cx: &mut Context<Self>) {
 458        let Some(ix) = self.selection else { return };
 459        let Some(ArchiveListItem::Entry { thread, .. }) = self.items.get(ix) else {
 460            return;
 461        };
 462
 463        self.unarchive_thread(thread.clone(), window, cx);
 464    }
 465
 466    fn render_list_entry(
 467        &mut self,
 468        ix: usize,
 469        _window: &mut Window,
 470        cx: &mut Context<Self>,
 471    ) -> AnyElement {
 472        let Some(item) = self.items.get(ix) else {
 473            return div().into_any_element();
 474        };
 475
 476        match item {
 477            ArchiveListItem::BucketSeparator(bucket) => div()
 478                .w_full()
 479                .px_2p5()
 480                .pt_3()
 481                .pb_1()
 482                .child(
 483                    Label::new(bucket.label())
 484                        .size(LabelSize::Small)
 485                        .color(Color::Muted),
 486                )
 487                .into_any_element(),
 488            ArchiveListItem::Entry {
 489                thread,
 490                highlight_positions,
 491            } => {
 492                let id = SharedString::from(format!("archive-entry-{}", ix));
 493
 494                let is_focused = self.selection == Some(ix);
 495                let is_hovered = self.hovered_index == Some(ix);
 496
 497                let focus_handle = self.focus_handle.clone();
 498
 499                let timestamp =
 500                    format_history_entry_timestamp(thread.created_at.unwrap_or(thread.updated_at));
 501
 502                let icon_from_external_svg = self
 503                    .agent_server_store
 504                    .upgrade()
 505                    .and_then(|store| store.read(cx).agent_icon(&thread.agent_id));
 506
 507                let icon = if thread.agent_id.as_ref() == agent::ZED_AGENT_ID.as_ref() {
 508                    IconName::ZedAgent
 509                } else {
 510                    IconName::Sparkle
 511                };
 512
 513                ThreadItem::new(id, thread.title.clone())
 514                    .icon(icon)
 515                    .when_some(icon_from_external_svg, |this, svg| {
 516                        this.custom_icon_from_external_svg(svg)
 517                    })
 518                    .timestamp(timestamp)
 519                    .highlight_positions(highlight_positions.clone())
 520                    .project_paths(thread.folder_paths.paths_owned())
 521                    .focused(is_focused)
 522                    .hovered(is_hovered)
 523                    .on_hover(cx.listener(move |this, is_hovered, _window, cx| {
 524                        if *is_hovered {
 525                            this.hovered_index = Some(ix);
 526                        } else if this.hovered_index == Some(ix) {
 527                            this.hovered_index = None;
 528                        }
 529                        cx.notify();
 530                    }))
 531                    .action_slot(
 532                        IconButton::new("delete-thread", IconName::Trash)
 533                            .style(ButtonStyle::Filled)
 534                            .icon_size(IconSize::Small)
 535                            .icon_color(Color::Muted)
 536                            .tooltip({
 537                                move |_window, cx| {
 538                                    Tooltip::for_action_in(
 539                                        "Delete Thread",
 540                                        &RemoveSelectedThread,
 541                                        &focus_handle,
 542                                        cx,
 543                                    )
 544                                }
 545                            })
 546                            .on_click({
 547                                let agent = thread.agent_id.clone();
 548                                let session_id = thread.session_id.clone();
 549                                cx.listener(move |this, _, _, cx| {
 550                                    this.preserve_selection_on_next_update = true;
 551                                    this.delete_thread(session_id.clone(), agent.clone(), cx);
 552                                    cx.stop_propagation();
 553                                })
 554                            }),
 555                    )
 556                    .tooltip(move |_, cx| Tooltip::for_action("Restore Thread", &menu::Confirm, cx))
 557                    .on_click({
 558                        let thread = thread.clone();
 559                        cx.listener(move |this, _, window, cx| {
 560                            this.unarchive_thread(thread.clone(), window, cx);
 561                        })
 562                    })
 563                    .into_any_element()
 564            }
 565        }
 566    }
 567
 568    fn remove_selected_thread(
 569        &mut self,
 570        _: &RemoveSelectedThread,
 571        _window: &mut Window,
 572        cx: &mut Context<Self>,
 573    ) {
 574        let Some(ix) = self.selection else { return };
 575        let Some(ArchiveListItem::Entry { thread, .. }) = self.items.get(ix) else {
 576            return;
 577        };
 578
 579        self.preserve_selection_on_next_update = true;
 580        self.delete_thread(thread.session_id.clone(), thread.agent_id.clone(), cx);
 581    }
 582
 583    fn delete_thread(
 584        &mut self,
 585        session_id: acp::SessionId,
 586        agent: AgentId,
 587        cx: &mut Context<Self>,
 588    ) {
 589        ThreadMetadataStore::global(cx)
 590            .update(cx, |store, cx| store.delete(session_id.clone(), cx));
 591
 592        let agent = Agent::from(agent);
 593
 594        let Some(agent_connection_store) = self.agent_connection_store.upgrade() else {
 595            return;
 596        };
 597        let fs = <dyn Fs>::global(cx);
 598
 599        let task = agent_connection_store.update(cx, |store, cx| {
 600            store
 601                .request_connection(agent.clone(), agent.server(fs, ThreadStore::global(cx)), cx)
 602                .read(cx)
 603                .wait_for_connection()
 604        });
 605        cx.spawn(async move |_this, cx| {
 606            let state = task.await?;
 607            let task = cx.update(|cx| {
 608                if let Some(list) = state.connection.session_list(cx) {
 609                    list.delete_session(&session_id, cx)
 610                } else {
 611                    Task::ready(Ok(()))
 612                }
 613            });
 614            task.await
 615        })
 616        .detach_and_log_err(cx);
 617    }
 618
 619    fn render_header(&self, window: &Window, cx: &mut Context<Self>) -> impl IntoElement {
 620        let has_query = !self.filter_editor.read(cx).text(cx).is_empty();
 621        let sidebar_on_left = matches!(
 622            AgentSettings::get_global(cx).sidebar_side(),
 623            settings::SidebarSide::Left
 624        );
 625        let traffic_lights =
 626            cfg!(target_os = "macos") && !window.is_fullscreen() && sidebar_on_left;
 627        let header_height = platform_title_bar_height(window);
 628        let show_focus_keybinding =
 629            self.selection.is_some() && !self.filter_editor.focus_handle(cx).is_focused(window);
 630
 631        h_flex()
 632            .h(header_height)
 633            .mt_px()
 634            .pb_px()
 635            .map(|this| {
 636                if traffic_lights {
 637                    this.pl(px(ui::utils::TRAFFIC_LIGHT_PADDING))
 638                } else {
 639                    this.pl_1p5()
 640                }
 641            })
 642            .pr_1p5()
 643            .gap_1()
 644            .justify_between()
 645            .border_b_1()
 646            .border_color(cx.theme().colors().border)
 647            .when(traffic_lights, |this| {
 648                this.child(Divider::vertical().color(ui::DividerColor::Border))
 649            })
 650            .child(
 651                h_flex()
 652                    .ml_1()
 653                    .min_w_0()
 654                    .w_full()
 655                    .gap_1()
 656                    .child(
 657                        Icon::new(IconName::MagnifyingGlass)
 658                            .size(IconSize::Small)
 659                            .color(Color::Muted),
 660                    )
 661                    .child(self.filter_editor.clone()),
 662            )
 663            .when(show_focus_keybinding, |this| {
 664                this.child(KeyBinding::for_action(&FocusSidebarFilter, cx))
 665            })
 666            .when(has_query, |this| {
 667                this.child(
 668                    IconButton::new("clear-filter", IconName::Close)
 669                        .icon_size(IconSize::Small)
 670                        .tooltip(Tooltip::text("Clear Search"))
 671                        .on_click(cx.listener(|this, _, window, cx| {
 672                            this.reset_filter_editor_text(window, cx);
 673                            this.update_items(cx);
 674                        })),
 675                )
 676            })
 677    }
 678}
 679
 680pub fn format_history_entry_timestamp(entry_time: DateTime<Utc>) -> String {
 681    let now = Utc::now();
 682    let duration = now.signed_duration_since(entry_time);
 683
 684    let minutes = duration.num_minutes();
 685    let hours = duration.num_hours();
 686    let days = duration.num_days();
 687    let weeks = days / 7;
 688    let months = days / 30;
 689
 690    if minutes < 60 {
 691        format!("{}m", minutes.max(1))
 692    } else if hours < 24 {
 693        format!("{}h", hours.max(1))
 694    } else if days < 7 {
 695        format!("{}d", days.max(1))
 696    } else if weeks < 4 {
 697        format!("{}w", weeks.max(1))
 698    } else {
 699        format!("{}mo", months.max(1))
 700    }
 701}
 702
 703impl Focusable for ThreadsArchiveView {
 704    fn focus_handle(&self, _cx: &App) -> FocusHandle {
 705        self.focus_handle.clone()
 706    }
 707}
 708
 709impl Render for ThreadsArchiveView {
 710    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
 711        let is_empty = self.items.is_empty();
 712        let has_query = !self.filter_editor.read(cx).text(cx).is_empty();
 713
 714        let content = if is_empty {
 715            let message = if has_query {
 716                "No threads match your search."
 717            } else {
 718                "No archived or hidden threads yet."
 719            };
 720
 721            v_flex()
 722                .flex_1()
 723                .justify_center()
 724                .items_center()
 725                .child(
 726                    Label::new(message)
 727                        .size(LabelSize::Small)
 728                        .color(Color::Muted),
 729                )
 730                .into_any_element()
 731        } else {
 732            v_flex()
 733                .flex_1()
 734                .overflow_hidden()
 735                .child(
 736                    list(
 737                        self.list_state.clone(),
 738                        cx.processor(Self::render_list_entry),
 739                    )
 740                    .flex_1()
 741                    .size_full(),
 742                )
 743                .vertical_scrollbar_for(&self.list_state, window, cx)
 744                .into_any_element()
 745        };
 746
 747        v_flex()
 748            .key_context("ThreadsArchiveView")
 749            .track_focus(&self.focus_handle)
 750            .on_action(cx.listener(Self::select_next))
 751            .on_action(cx.listener(Self::select_previous))
 752            .on_action(cx.listener(Self::editor_move_down))
 753            .on_action(cx.listener(Self::editor_move_up))
 754            .on_action(cx.listener(Self::select_first))
 755            .on_action(cx.listener(Self::select_last))
 756            .on_action(cx.listener(Self::confirm))
 757            .on_action(cx.listener(Self::remove_selected_thread))
 758            .size_full()
 759            .child(self.render_header(window, cx))
 760            .child(content)
 761    }
 762}
 763
 764struct ProjectPickerModal {
 765    picker: Entity<Picker<ProjectPickerDelegate>>,
 766    _subscription: Subscription,
 767}
 768
 769impl ProjectPickerModal {
 770    fn new(
 771        thread: ThreadMetadata,
 772        fs: Arc<dyn Fs>,
 773        archive_view: WeakEntity<ThreadsArchiveView>,
 774        current_workspace_id: Option<WorkspaceId>,
 775        sibling_workspace_ids: HashSet<WorkspaceId>,
 776        window: &mut Window,
 777        cx: &mut Context<Self>,
 778    ) -> Self {
 779        let delegate = ProjectPickerDelegate {
 780            thread,
 781            archive_view,
 782            workspaces: Vec::new(),
 783            filtered_entries: Vec::new(),
 784            selected_index: 0,
 785            current_workspace_id,
 786            sibling_workspace_ids,
 787            focus_handle: cx.focus_handle(),
 788        };
 789
 790        let picker = cx.new(|cx| {
 791            Picker::list(delegate, window, cx)
 792                .list_measure_all()
 793                .modal(false)
 794        });
 795
 796        let picker_focus_handle = picker.focus_handle(cx);
 797        picker.update(cx, |picker, _| {
 798            picker.delegate.focus_handle = picker_focus_handle;
 799        });
 800
 801        let _subscription =
 802            cx.subscribe(&picker, |_this: &mut Self, _, _event: &DismissEvent, cx| {
 803                cx.emit(DismissEvent);
 804            });
 805
 806        let db = WorkspaceDb::global(cx);
 807        cx.spawn_in(window, async move |this, cx| {
 808            let workspaces = db
 809                .recent_workspaces_on_disk(fs.as_ref())
 810                .await
 811                .log_err()
 812                .unwrap_or_default();
 813            let workspaces = resolve_worktree_workspaces(workspaces, fs.as_ref()).await;
 814            this.update_in(cx, move |this, window, cx| {
 815                this.picker.update(cx, move |picker, cx| {
 816                    picker.delegate.workspaces = workspaces;
 817                    picker.update_matches(picker.query(cx), window, cx)
 818                })
 819            })
 820            .ok();
 821        })
 822        .detach();
 823
 824        picker.focus_handle(cx).focus(window, cx);
 825
 826        Self {
 827            picker,
 828            _subscription,
 829        }
 830    }
 831}
 832
 833impl EventEmitter<DismissEvent> for ProjectPickerModal {}
 834
 835impl Focusable for ProjectPickerModal {
 836    fn focus_handle(&self, cx: &App) -> FocusHandle {
 837        self.picker.focus_handle(cx)
 838    }
 839}
 840
 841impl ModalView for ProjectPickerModal {}
 842
 843impl Render for ProjectPickerModal {
 844    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
 845        v_flex()
 846            .key_context("ProjectPickerModal")
 847            .elevation_3(cx)
 848            .w(rems(34.))
 849            .on_action(cx.listener(|this, _: &workspace::Open, window, cx| {
 850                this.picker.update(cx, |picker, cx| {
 851                    picker.delegate.open_local_folder(window, cx)
 852                })
 853            }))
 854            .child(self.picker.clone())
 855    }
 856}
 857
 858enum ProjectPickerEntry {
 859    Header(SharedString),
 860    Workspace(StringMatch),
 861}
 862
 863struct ProjectPickerDelegate {
 864    thread: ThreadMetadata,
 865    archive_view: WeakEntity<ThreadsArchiveView>,
 866    current_workspace_id: Option<WorkspaceId>,
 867    sibling_workspace_ids: HashSet<WorkspaceId>,
 868    workspaces: Vec<(
 869        WorkspaceId,
 870        SerializedWorkspaceLocation,
 871        PathList,
 872        DateTime<Utc>,
 873    )>,
 874    filtered_entries: Vec<ProjectPickerEntry>,
 875    selected_index: usize,
 876    focus_handle: FocusHandle,
 877}
 878
 879impl ProjectPickerDelegate {
 880    fn update_working_directories_and_unarchive(
 881        &mut self,
 882        paths: PathList,
 883        window: &mut Window,
 884        cx: &mut Context<Picker<Self>>,
 885    ) {
 886        self.thread.folder_paths = paths.clone();
 887        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
 888            store.update_working_directories(&self.thread.session_id, paths, cx);
 889        });
 890
 891        self.archive_view
 892            .update(cx, |view, cx| {
 893                view.selection = None;
 894                view.reset_filter_editor_text(window, cx);
 895                cx.emit(ThreadsArchiveViewEvent::Unarchive {
 896                    thread: self.thread.clone(),
 897                });
 898            })
 899            .log_err();
 900    }
 901
 902    fn is_current_workspace(&self, workspace_id: WorkspaceId) -> bool {
 903        self.current_workspace_id == Some(workspace_id)
 904    }
 905
 906    fn is_sibling_workspace(&self, workspace_id: WorkspaceId) -> bool {
 907        self.sibling_workspace_ids.contains(&workspace_id)
 908            && !self.is_current_workspace(workspace_id)
 909    }
 910
 911    fn selected_match(&self) -> Option<&StringMatch> {
 912        match self.filtered_entries.get(self.selected_index)? {
 913            ProjectPickerEntry::Workspace(hit) => Some(hit),
 914            ProjectPickerEntry::Header(_) => None,
 915        }
 916    }
 917
 918    fn open_local_folder(&mut self, window: &mut Window, cx: &mut Context<Picker<Self>>) {
 919        let paths_receiver = cx.prompt_for_paths(gpui::PathPromptOptions {
 920            files: false,
 921            directories: true,
 922            multiple: false,
 923            prompt: None,
 924        });
 925        cx.spawn_in(window, async move |this, cx| {
 926            let Ok(Ok(Some(paths))) = paths_receiver.await else {
 927                return;
 928            };
 929            if paths.is_empty() {
 930                return;
 931            }
 932
 933            let work_dirs = PathList::new(&paths);
 934
 935            this.update_in(cx, |this, window, cx| {
 936                this.delegate
 937                    .update_working_directories_and_unarchive(work_dirs, window, cx);
 938                cx.emit(DismissEvent);
 939            })
 940            .log_err();
 941        })
 942        .detach();
 943    }
 944}
 945
 946impl EventEmitter<DismissEvent> for ProjectPickerDelegate {}
 947
 948impl PickerDelegate for ProjectPickerDelegate {
 949    type ListItem = AnyElement;
 950
 951    fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> Arc<str> {
 952        format!("Associate the \"{}\" thread with...", self.thread.title).into()
 953    }
 954
 955    fn render_editor(
 956        &self,
 957        editor: &Arc<dyn ErasedEditor>,
 958        window: &mut Window,
 959        cx: &mut Context<Picker<Self>>,
 960    ) -> Div {
 961        h_flex()
 962            .flex_none()
 963            .h_9()
 964            .px_2p5()
 965            .justify_between()
 966            .border_b_1()
 967            .border_color(cx.theme().colors().border_variant)
 968            .child(editor.render(window, cx))
 969    }
 970
 971    fn match_count(&self) -> usize {
 972        self.filtered_entries.len()
 973    }
 974
 975    fn selected_index(&self) -> usize {
 976        self.selected_index
 977    }
 978
 979    fn set_selected_index(
 980        &mut self,
 981        ix: usize,
 982        _window: &mut Window,
 983        _cx: &mut Context<Picker<Self>>,
 984    ) {
 985        self.selected_index = ix;
 986    }
 987
 988    fn can_select(&self, ix: usize, _window: &mut Window, _cx: &mut Context<Picker<Self>>) -> bool {
 989        matches!(
 990            self.filtered_entries.get(ix),
 991            Some(ProjectPickerEntry::Workspace(_))
 992        )
 993    }
 994
 995    fn update_matches(
 996        &mut self,
 997        query: String,
 998        _window: &mut Window,
 999        cx: &mut Context<Picker<Self>>,
1000    ) -> Task<()> {
1001        let query = query.trim_start();
1002        let smart_case = query.chars().any(|c| c.is_uppercase());
1003        let is_empty_query = query.is_empty();
1004
1005        let sibling_candidates: Vec<_> = self
1006            .workspaces
1007            .iter()
1008            .enumerate()
1009            .filter(|(_, (id, _, _, _))| self.is_sibling_workspace(*id))
1010            .map(|(id, (_, _, paths, _))| {
1011                let combined_string = paths
1012                    .ordered_paths()
1013                    .map(|path| path.compact().to_string_lossy().into_owned())
1014                    .collect::<Vec<_>>()
1015                    .join("");
1016                StringMatchCandidate::new(id, &combined_string)
1017            })
1018            .collect();
1019
1020        let mut sibling_matches = smol::block_on(fuzzy::match_strings(
1021            &sibling_candidates,
1022            query,
1023            smart_case,
1024            true,
1025            100,
1026            &Default::default(),
1027            cx.background_executor().clone(),
1028        ));
1029
1030        sibling_matches.sort_unstable_by(|a, b| {
1031            b.score
1032                .partial_cmp(&a.score)
1033                .unwrap_or(std::cmp::Ordering::Equal)
1034                .then_with(|| a.candidate_id.cmp(&b.candidate_id))
1035        });
1036
1037        let recent_candidates: Vec<_> = self
1038            .workspaces
1039            .iter()
1040            .enumerate()
1041            .filter(|(_, (id, _, _, _))| {
1042                !self.is_current_workspace(*id) && !self.is_sibling_workspace(*id)
1043            })
1044            .map(|(id, (_, _, paths, _))| {
1045                let combined_string = paths
1046                    .ordered_paths()
1047                    .map(|path| path.compact().to_string_lossy().into_owned())
1048                    .collect::<Vec<_>>()
1049                    .join("");
1050                StringMatchCandidate::new(id, &combined_string)
1051            })
1052            .collect();
1053
1054        let mut recent_matches = smol::block_on(fuzzy::match_strings(
1055            &recent_candidates,
1056            query,
1057            smart_case,
1058            true,
1059            100,
1060            &Default::default(),
1061            cx.background_executor().clone(),
1062        ));
1063
1064        recent_matches.sort_unstable_by(|a, b| {
1065            b.score
1066                .partial_cmp(&a.score)
1067                .unwrap_or(std::cmp::Ordering::Equal)
1068                .then_with(|| a.candidate_id.cmp(&b.candidate_id))
1069        });
1070
1071        let mut entries = Vec::new();
1072
1073        let has_siblings_to_show = if is_empty_query {
1074            !sibling_candidates.is_empty()
1075        } else {
1076            !sibling_matches.is_empty()
1077        };
1078
1079        if has_siblings_to_show {
1080            entries.push(ProjectPickerEntry::Header("This Window".into()));
1081
1082            if is_empty_query {
1083                for (id, (workspace_id, _, _, _)) in self.workspaces.iter().enumerate() {
1084                    if self.is_sibling_workspace(*workspace_id) {
1085                        entries.push(ProjectPickerEntry::Workspace(StringMatch {
1086                            candidate_id: id,
1087                            score: 0.0,
1088                            positions: Vec::new(),
1089                            string: String::new(),
1090                        }));
1091                    }
1092                }
1093            } else {
1094                for m in sibling_matches {
1095                    entries.push(ProjectPickerEntry::Workspace(m));
1096                }
1097            }
1098        }
1099
1100        let has_recent_to_show = if is_empty_query {
1101            !recent_candidates.is_empty()
1102        } else {
1103            !recent_matches.is_empty()
1104        };
1105
1106        if has_recent_to_show {
1107            entries.push(ProjectPickerEntry::Header("Recent Projects".into()));
1108
1109            if is_empty_query {
1110                for (id, (workspace_id, _, _, _)) in self.workspaces.iter().enumerate() {
1111                    if !self.is_current_workspace(*workspace_id)
1112                        && !self.is_sibling_workspace(*workspace_id)
1113                    {
1114                        entries.push(ProjectPickerEntry::Workspace(StringMatch {
1115                            candidate_id: id,
1116                            score: 0.0,
1117                            positions: Vec::new(),
1118                            string: String::new(),
1119                        }));
1120                    }
1121                }
1122            } else {
1123                for m in recent_matches {
1124                    entries.push(ProjectPickerEntry::Workspace(m));
1125                }
1126            }
1127        }
1128
1129        self.filtered_entries = entries;
1130
1131        self.selected_index = self
1132            .filtered_entries
1133            .iter()
1134            .position(|e| matches!(e, ProjectPickerEntry::Workspace(_)))
1135            .unwrap_or(0);
1136
1137        Task::ready(())
1138    }
1139
1140    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
1141        let candidate_id = match self.filtered_entries.get(self.selected_index) {
1142            Some(ProjectPickerEntry::Workspace(hit)) => hit.candidate_id,
1143            _ => return,
1144        };
1145        let Some((_workspace_id, _location, paths, _)) = self.workspaces.get(candidate_id) else {
1146            return;
1147        };
1148
1149        self.update_working_directories_and_unarchive(paths.clone(), window, cx);
1150        cx.emit(DismissEvent);
1151    }
1152
1153    fn dismissed(&mut self, _window: &mut Window, _cx: &mut Context<Picker<Self>>) {}
1154
1155    fn no_matches_text(&self, _window: &mut Window, _cx: &mut App) -> Option<SharedString> {
1156        let text = if self.workspaces.is_empty() {
1157            "No recent projects found"
1158        } else {
1159            "No matches"
1160        };
1161        Some(text.into())
1162    }
1163
1164    fn render_match(
1165        &self,
1166        ix: usize,
1167        selected: bool,
1168        window: &mut Window,
1169        cx: &mut Context<Picker<Self>>,
1170    ) -> Option<Self::ListItem> {
1171        match self.filtered_entries.get(ix)? {
1172            ProjectPickerEntry::Header(title) => Some(
1173                v_flex()
1174                    .w_full()
1175                    .gap_1()
1176                    .when(ix > 0, |this| this.mt_1().child(Divider::horizontal()))
1177                    .child(ListSubHeader::new(title.clone()).inset(true))
1178                    .into_any_element(),
1179            ),
1180            ProjectPickerEntry::Workspace(hit) => {
1181                let (_, location, paths, _) = self.workspaces.get(hit.candidate_id)?;
1182
1183                let ordered_paths: Vec<_> = paths
1184                    .ordered_paths()
1185                    .map(|p| p.compact().to_string_lossy().to_string())
1186                    .collect();
1187
1188                let tooltip_path: SharedString = ordered_paths.join("\n").into();
1189
1190                let mut path_start_offset = 0;
1191                let match_labels: Vec<_> = paths
1192                    .ordered_paths()
1193                    .map(|p| p.compact())
1194                    .map(|path| {
1195                        let path_string = path.to_string_lossy();
1196                        let path_text = path_string.to_string();
1197                        let path_byte_len = path_text.len();
1198
1199                        let path_positions: Vec<usize> = hit
1200                            .positions
1201                            .iter()
1202                            .copied()
1203                            .skip_while(|pos| *pos < path_start_offset)
1204                            .take_while(|pos| *pos < path_start_offset + path_byte_len)
1205                            .map(|pos| pos - path_start_offset)
1206                            .collect();
1207
1208                        let file_name_match = path.file_name().map(|file_name| {
1209                            let file_name_text = file_name.to_string_lossy().into_owned();
1210                            let file_name_start = path_byte_len - file_name_text.len();
1211                            let highlight_positions: Vec<usize> = path_positions
1212                                .iter()
1213                                .copied()
1214                                .skip_while(|pos| *pos < file_name_start)
1215                                .take_while(|pos| *pos < file_name_start + file_name_text.len())
1216                                .map(|pos| pos - file_name_start)
1217                                .collect();
1218                            HighlightedMatch {
1219                                text: file_name_text,
1220                                highlight_positions,
1221                                color: Color::Default,
1222                            }
1223                        });
1224
1225                        path_start_offset += path_byte_len;
1226                        file_name_match
1227                    })
1228                    .collect();
1229
1230                let highlighted_match = HighlightedMatchWithPaths {
1231                    prefix: match location {
1232                        SerializedWorkspaceLocation::Remote(options) => {
1233                            Some(SharedString::from(options.display_name()))
1234                        }
1235                        _ => None,
1236                    },
1237                    match_label: HighlightedMatch::join(match_labels.into_iter().flatten(), ", "),
1238                    paths: Vec::new(),
1239                    active: false,
1240                };
1241
1242                Some(
1243                    ListItem::new(ix)
1244                        .toggle_state(selected)
1245                        .inset(true)
1246                        .spacing(ListItemSpacing::Sparse)
1247                        .child(
1248                            h_flex()
1249                                .gap_3()
1250                                .flex_grow()
1251                                .child(highlighted_match.render(window, cx)),
1252                        )
1253                        .tooltip(Tooltip::text(tooltip_path))
1254                        .into_any_element(),
1255                )
1256            }
1257        }
1258    }
1259
1260    fn render_footer(&self, _: &mut Window, cx: &mut Context<Picker<Self>>) -> Option<AnyElement> {
1261        let has_selection = self.selected_match().is_some();
1262        let focus_handle = self.focus_handle.clone();
1263
1264        Some(
1265            h_flex()
1266                .flex_1()
1267                .p_1p5()
1268                .gap_1()
1269                .justify_end()
1270                .border_t_1()
1271                .border_color(cx.theme().colors().border_variant)
1272                .child(
1273                    Button::new("open_local_folder", "Choose from Local Folders")
1274                        .key_binding(KeyBinding::for_action_in(
1275                            &workspace::Open::default(),
1276                            &focus_handle,
1277                            cx,
1278                        ))
1279                        .on_click(cx.listener(|this, _, window, cx| {
1280                            this.delegate.open_local_folder(window, cx);
1281                        })),
1282                )
1283                .child(
1284                    Button::new("select_project", "Select")
1285                        .disabled(!has_selection)
1286                        .key_binding(KeyBinding::for_action_in(&menu::Confirm, &focus_handle, cx))
1287                        .on_click(cx.listener(move |picker, _, window, cx| {
1288                            picker.delegate.confirm(false, window, cx);
1289                        })),
1290                )
1291                .into_any(),
1292        )
1293    }
1294}
1295
1296#[cfg(test)]
1297mod tests {
1298    use super::*;
1299
1300    #[test]
1301    fn test_fuzzy_match_positions_returns_byte_indices() {
1302        // "🔥abc" — the fire emoji is 4 bytes, so 'a' starts at byte 4, 'b' at 5, 'c' at 6.
1303        let text = "🔥abc";
1304        let positions = fuzzy_match_positions("ab", text).expect("should match");
1305        assert_eq!(positions, vec![4, 5]);
1306
1307        // Verify positions are valid char boundaries (this is the assertion that
1308        // panicked before the fix).
1309        for &pos in &positions {
1310            assert!(
1311                text.is_char_boundary(pos),
1312                "position {pos} is not a valid UTF-8 boundary in {text:?}"
1313            );
1314        }
1315    }
1316
1317    #[test]
1318    fn test_fuzzy_match_positions_ascii_still_works() {
1319        let positions = fuzzy_match_positions("he", "hello").expect("should match");
1320        assert_eq!(positions, vec![0, 1]);
1321    }
1322
1323    #[test]
1324    fn test_fuzzy_match_positions_case_insensitive() {
1325        let positions = fuzzy_match_positions("HE", "hello").expect("should match");
1326        assert_eq!(positions, vec![0, 1]);
1327    }
1328
1329    #[test]
1330    fn test_fuzzy_match_positions_no_match() {
1331        assert!(fuzzy_match_positions("xyz", "hello").is_none());
1332    }
1333
1334    #[test]
1335    fn test_fuzzy_match_positions_multi_byte_interior() {
1336        // "café" — 'é' is 2 bytes (0xC3 0xA9), so 'f' starts at byte 4, 'é' at byte 5.
1337        let text = "café";
1338        let positions = fuzzy_match_positions("", text).expect("should match");
1339        // 'c'=0, 'a'=1, 'f'=2, 'é'=3..4 — wait, let's verify:
1340        // Actually: c=1 byte, a=1 byte, f=1 byte, é=2 bytes
1341        // So byte positions: c=0, a=1, f=2, é=3
1342        assert_eq!(positions, vec![2, 3]);
1343        for &pos in &positions {
1344            assert!(
1345                text.is_char_boundary(pos),
1346                "position {pos} is not a valid UTF-8 boundary in {text:?}"
1347            );
1348        }
1349    }
1350}