settings_ui.rs

   1mod components;
   2mod page_data;
   3
   4use anyhow::Result;
   5use editor::{Editor, EditorEvent};
   6use feature_flags::FeatureFlag;
   7use fuzzy::StringMatchCandidate;
   8use gpui::{
   9    Action, App, Div, Entity, FocusHandle, Focusable, Global, ListState, ReadGlobal as _,
  10    ScrollHandle, Stateful, Subscription, Task, TitlebarOptions, UniformListScrollHandle, Window,
  11    WindowBounds, WindowHandle, WindowOptions, actions, div, list, point, prelude::*, px, size,
  12    uniform_list,
  13};
  14use heck::ToTitleCase as _;
  15use project::WorktreeId;
  16use schemars::JsonSchema;
  17use serde::Deserialize;
  18use settings::{Settings, SettingsContent, SettingsStore};
  19use std::{
  20    any::{Any, TypeId, type_name},
  21    cell::RefCell,
  22    collections::HashMap,
  23    num::{NonZero, NonZeroU32},
  24    ops::Range,
  25    rc::Rc,
  26    sync::{Arc, LazyLock, RwLock},
  27};
  28use title_bar::platform_title_bar::PlatformTitleBar;
  29use ui::{
  30    ContextMenu, Divider, DividerColor, DropdownMenu, DropdownStyle, IconButtonShape, KeyBinding,
  31    KeybindingHint, PopoverMenu, Switch, SwitchColor, Tooltip, TreeViewItem, WithScrollbar,
  32    prelude::*,
  33};
  34use ui_input::{NumberField, NumberFieldType};
  35use util::{ResultExt as _, paths::PathStyle, rel_path::RelPath};
  36use workspace::{OpenOptions, OpenVisible, Workspace, client_side_decorations};
  37use zed_actions::OpenSettings;
  38
  39use crate::components::SettingsEditor;
  40
  41const NAVBAR_CONTAINER_TAB_INDEX: isize = 0;
  42const NAVBAR_GROUP_TAB_INDEX: isize = 1;
  43
  44const HEADER_CONTAINER_TAB_INDEX: isize = 2;
  45const HEADER_GROUP_TAB_INDEX: isize = 3;
  46
  47const CONTENT_CONTAINER_TAB_INDEX: isize = 4;
  48const CONTENT_GROUP_TAB_INDEX: isize = 5;
  49
  50actions!(
  51    settings_editor,
  52    [
  53        /// Minimizes the settings UI window.
  54        Minimize,
  55        /// Toggles focus between the navbar and the main content.
  56        ToggleFocusNav,
  57        /// Expands the navigation entry.
  58        ExpandNavEntry,
  59        /// Collapses the navigation entry.
  60        CollapseNavEntry,
  61        /// Focuses the next file in the file list.
  62        FocusNextFile,
  63        /// Focuses the previous file in the file list.
  64        FocusPreviousFile,
  65        /// Opens an editor for the current file
  66        OpenCurrentFile,
  67        /// Focuses the previous root navigation entry.
  68        FocusPreviousRootNavEntry,
  69        /// Focuses the next root navigation entry.
  70        FocusNextRootNavEntry,
  71        /// Focuses the first navigation entry.
  72        FocusFirstNavEntry,
  73        /// Focuses the last navigation entry.
  74        FocusLastNavEntry,
  75        /// Focuses and opens the next navigation entry without moving focus to content.
  76        FocusNextNavEntry,
  77        /// Focuses and opens the previous navigation entry without moving focus to content.
  78        FocusPreviousNavEntry
  79    ]
  80);
  81
  82#[derive(Action, PartialEq, Eq, Clone, Copy, Debug, JsonSchema, Deserialize)]
  83#[action(namespace = settings_editor)]
  84struct FocusFile(pub u32);
  85
  86struct SettingField<T: 'static> {
  87    pick: fn(&SettingsContent) -> Option<&T>,
  88    write: fn(&mut SettingsContent, Option<T>),
  89}
  90
  91impl<T: 'static> Clone for SettingField<T> {
  92    fn clone(&self) -> Self {
  93        *self
  94    }
  95}
  96
  97// manual impl because derive puts a Copy bound on T, which is inaccurate in our case
  98impl<T: 'static> Copy for SettingField<T> {}
  99
 100/// Helper for unimplemented settings, used in combination with `SettingField::unimplemented`
 101/// to keep the setting around in the UI with valid pick and write implementations, but don't actually try to render it.
 102/// TODO(settings_ui): In non-dev builds (`#[cfg(not(debug_assertions))]`) make this render as edit-in-json
 103#[derive(Clone, Copy)]
 104struct UnimplementedSettingField;
 105
 106impl PartialEq for UnimplementedSettingField {
 107    fn eq(&self, _other: &Self) -> bool {
 108        true
 109    }
 110}
 111
 112impl<T: 'static> SettingField<T> {
 113    /// Helper for settings with types that are not yet implemented.
 114    #[allow(unused)]
 115    fn unimplemented(self) -> SettingField<UnimplementedSettingField> {
 116        SettingField {
 117            pick: |_| Some(&UnimplementedSettingField),
 118            write: |_, _| unreachable!(),
 119        }
 120    }
 121}
 122
 123trait AnySettingField {
 124    fn as_any(&self) -> &dyn Any;
 125    fn type_name(&self) -> &'static str;
 126    fn type_id(&self) -> TypeId;
 127    // Returns the file this value was set in and true, or File::Default and false to indicate it was not found in any file (missing default)
 128    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> (settings::SettingsFile, bool);
 129    fn reset_to_default_fn(
 130        &self,
 131        current_file: &SettingsUiFile,
 132        file_set_in: &settings::SettingsFile,
 133        cx: &App,
 134    ) -> Option<Box<dyn Fn(&mut App)>>;
 135}
 136
 137impl<T: PartialEq + Clone + Send + Sync + 'static> AnySettingField for SettingField<T> {
 138    fn as_any(&self) -> &dyn Any {
 139        self
 140    }
 141
 142    fn type_name(&self) -> &'static str {
 143        type_name::<T>()
 144    }
 145
 146    fn type_id(&self) -> TypeId {
 147        TypeId::of::<T>()
 148    }
 149
 150    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> (settings::SettingsFile, bool) {
 151        let (file, value) = cx
 152            .global::<SettingsStore>()
 153            .get_value_from_file(file.to_settings(), self.pick);
 154        return (file, value.is_some());
 155    }
 156
 157    fn reset_to_default_fn(
 158        &self,
 159        current_file: &SettingsUiFile,
 160        file_set_in: &settings::SettingsFile,
 161        cx: &App,
 162    ) -> Option<Box<dyn Fn(&mut App)>> {
 163        if file_set_in == &settings::SettingsFile::Default {
 164            return None;
 165        }
 166        if file_set_in != &current_file.to_settings() {
 167            return None;
 168        }
 169        let this = *self;
 170        let store = SettingsStore::global(cx);
 171        let default_value = (this.pick)(store.raw_default_settings());
 172        let is_default = store
 173            .get_content_for_file(file_set_in.clone())
 174            .map_or(None, this.pick)
 175            == default_value;
 176        if is_default {
 177            return None;
 178        }
 179        let current_file = current_file.clone();
 180
 181        return Some(Box::new(move |cx| {
 182            let store = SettingsStore::global(cx);
 183            let default_value = (this.pick)(store.raw_default_settings());
 184            let is_set_somewhere_other_than_default = store
 185                .get_value_up_to_file(current_file.to_settings(), this.pick)
 186                .0
 187                != settings::SettingsFile::Default;
 188            let value_to_set = if is_set_somewhere_other_than_default {
 189                default_value.cloned()
 190            } else {
 191                None
 192            };
 193            update_settings_file(current_file.clone(), cx, move |settings, _| {
 194                (this.write)(settings, value_to_set);
 195            })
 196            // todo(settings_ui): Don't log err
 197            .log_err();
 198        }));
 199    }
 200}
 201
 202#[derive(Default, Clone)]
 203struct SettingFieldRenderer {
 204    renderers: Rc<
 205        RefCell<
 206            HashMap<
 207                TypeId,
 208                Box<
 209                    dyn Fn(
 210                        &SettingsWindow,
 211                        &SettingItem,
 212                        SettingsUiFile,
 213                        Option<&SettingsFieldMetadata>,
 214                        &mut Window,
 215                        &mut Context<SettingsWindow>,
 216                    ) -> Stateful<Div>,
 217                >,
 218            >,
 219        >,
 220    >,
 221}
 222
 223impl Global for SettingFieldRenderer {}
 224
 225impl SettingFieldRenderer {
 226    fn add_basic_renderer<T: 'static>(
 227        &mut self,
 228        render_control: impl Fn(
 229            SettingField<T>,
 230            SettingsUiFile,
 231            Option<&SettingsFieldMetadata>,
 232            &mut Window,
 233            &mut App,
 234        ) -> AnyElement
 235        + 'static,
 236    ) -> &mut Self {
 237        self.add_renderer(
 238            move |settings_window: &SettingsWindow,
 239                  item: &SettingItem,
 240                  field: SettingField<T>,
 241                  settings_file: SettingsUiFile,
 242                  metadata: Option<&SettingsFieldMetadata>,
 243                  window: &mut Window,
 244                  cx: &mut Context<SettingsWindow>| {
 245                render_settings_item(
 246                    settings_window,
 247                    item,
 248                    settings_file.clone(),
 249                    render_control(field, settings_file, metadata, window, cx),
 250                    window,
 251                    cx,
 252                )
 253            },
 254        )
 255    }
 256
 257    fn add_renderer<T: 'static>(
 258        &mut self,
 259        renderer: impl Fn(
 260            &SettingsWindow,
 261            &SettingItem,
 262            SettingField<T>,
 263            SettingsUiFile,
 264            Option<&SettingsFieldMetadata>,
 265            &mut Window,
 266            &mut Context<SettingsWindow>,
 267        ) -> Stateful<Div>
 268        + 'static,
 269    ) -> &mut Self {
 270        let key = TypeId::of::<T>();
 271        let renderer = Box::new(
 272            move |settings_window: &SettingsWindow,
 273                  item: &SettingItem,
 274                  settings_file: SettingsUiFile,
 275                  metadata: Option<&SettingsFieldMetadata>,
 276                  window: &mut Window,
 277                  cx: &mut Context<SettingsWindow>| {
 278                let field = *item
 279                    .field
 280                    .as_ref()
 281                    .as_any()
 282                    .downcast_ref::<SettingField<T>>()
 283                    .unwrap();
 284                renderer(
 285                    settings_window,
 286                    item,
 287                    field,
 288                    settings_file,
 289                    metadata,
 290                    window,
 291                    cx,
 292                )
 293            },
 294        );
 295        self.renderers.borrow_mut().insert(key, renderer);
 296        self
 297    }
 298}
 299
 300struct NonFocusableHandle {
 301    handle: FocusHandle,
 302    _subscription: Subscription,
 303}
 304
 305impl NonFocusableHandle {
 306    fn new(tab_index: isize, tab_stop: bool, window: &mut Window, cx: &mut App) -> Entity<Self> {
 307        let handle = cx.focus_handle().tab_index(tab_index).tab_stop(tab_stop);
 308        Self::from_handle(handle, window, cx)
 309    }
 310
 311    fn from_handle(handle: FocusHandle, window: &mut Window, cx: &mut App) -> Entity<Self> {
 312        cx.new(|cx| {
 313            let _subscription = cx.on_focus(&handle, window, {
 314                move |_, window, _| {
 315                    window.focus_next();
 316                }
 317            });
 318            Self {
 319                handle,
 320                _subscription,
 321            }
 322        })
 323    }
 324}
 325
 326impl Focusable for NonFocusableHandle {
 327    fn focus_handle(&self, _: &App) -> FocusHandle {
 328        self.handle.clone()
 329    }
 330}
 331
 332#[derive(Default)]
 333struct SettingsFieldMetadata {
 334    placeholder: Option<&'static str>,
 335    should_do_titlecase: Option<bool>,
 336}
 337
 338pub struct SettingsUiFeatureFlag;
 339
 340impl FeatureFlag for SettingsUiFeatureFlag {
 341    const NAME: &'static str = "settings-ui";
 342}
 343
 344pub fn init(cx: &mut App) {
 345    init_renderers(cx);
 346
 347    cx.observe_new(|workspace: &mut workspace::Workspace, _, _| {
 348        workspace.register_action(|workspace, _: &OpenSettings, window, cx| {
 349            let window_handle = window
 350                .window_handle()
 351                .downcast::<Workspace>()
 352                .expect("Workspaces are root Windows");
 353            open_settings_editor(workspace, window_handle, cx);
 354        });
 355    })
 356    .detach();
 357}
 358
 359fn init_renderers(cx: &mut App) {
 360    cx.default_global::<SettingFieldRenderer>()
 361        .add_basic_renderer::<UnimplementedSettingField>(|_, _, _, _, _| {
 362            Button::new("open-in-settings-file", "Edit in settings.json")
 363                .style(ButtonStyle::Outlined)
 364                .size(ButtonSize::Medium)
 365                .tab_index(0_isize)
 366                .on_click(|_, window, cx| {
 367                    window.dispatch_action(Box::new(OpenCurrentFile), cx);
 368                })
 369                .into_any_element()
 370        })
 371        .add_basic_renderer::<bool>(render_toggle_button)
 372        .add_basic_renderer::<String>(render_text_field)
 373        .add_basic_renderer::<SharedString>(render_text_field)
 374        .add_basic_renderer::<settings::SaturatingBool>(render_toggle_button)
 375        .add_basic_renderer::<settings::CursorShape>(render_dropdown)
 376        .add_basic_renderer::<settings::RestoreOnStartupBehavior>(render_dropdown)
 377        .add_basic_renderer::<settings::BottomDockLayout>(render_dropdown)
 378        .add_basic_renderer::<settings::OnLastWindowClosed>(render_dropdown)
 379        .add_basic_renderer::<settings::CloseWindowWhenNoItems>(render_dropdown)
 380        .add_basic_renderer::<settings::FontFamilyName>(render_font_picker)
 381        .add_basic_renderer::<settings::BaseKeymapContent>(render_dropdown)
 382        .add_basic_renderer::<settings::MultiCursorModifier>(render_dropdown)
 383        .add_basic_renderer::<settings::HideMouseMode>(render_dropdown)
 384        .add_basic_renderer::<settings::CurrentLineHighlight>(render_dropdown)
 385        .add_basic_renderer::<settings::ShowWhitespaceSetting>(render_dropdown)
 386        .add_basic_renderer::<settings::SoftWrap>(render_dropdown)
 387        .add_basic_renderer::<settings::ScrollBeyondLastLine>(render_dropdown)
 388        .add_basic_renderer::<settings::SnippetSortOrder>(render_dropdown)
 389        .add_basic_renderer::<settings::ClosePosition>(render_dropdown)
 390        .add_basic_renderer::<settings::DockSide>(render_dropdown)
 391        .add_basic_renderer::<settings::TerminalDockPosition>(render_dropdown)
 392        .add_basic_renderer::<settings::DockPosition>(render_dropdown)
 393        .add_basic_renderer::<settings::GitGutterSetting>(render_dropdown)
 394        .add_basic_renderer::<settings::GitHunkStyleSetting>(render_dropdown)
 395        .add_basic_renderer::<settings::DiagnosticSeverityContent>(render_dropdown)
 396        .add_basic_renderer::<settings::SeedQuerySetting>(render_dropdown)
 397        .add_basic_renderer::<settings::DoubleClickInMultibuffer>(render_dropdown)
 398        .add_basic_renderer::<settings::GoToDefinitionFallback>(render_dropdown)
 399        .add_basic_renderer::<settings::ActivateOnClose>(render_dropdown)
 400        .add_basic_renderer::<settings::ShowDiagnostics>(render_dropdown)
 401        .add_basic_renderer::<settings::ShowCloseButton>(render_dropdown)
 402        .add_basic_renderer::<settings::ProjectPanelEntrySpacing>(render_dropdown)
 403        .add_basic_renderer::<settings::RewrapBehavior>(render_dropdown)
 404        .add_basic_renderer::<settings::FormatOnSave>(render_dropdown)
 405        .add_basic_renderer::<settings::IndentGuideColoring>(render_dropdown)
 406        .add_basic_renderer::<settings::IndentGuideBackgroundColoring>(render_dropdown)
 407        .add_basic_renderer::<settings::FileFinderWidthContent>(render_dropdown)
 408        .add_basic_renderer::<settings::ShowDiagnostics>(render_dropdown)
 409        .add_basic_renderer::<settings::WordsCompletionMode>(render_dropdown)
 410        .add_basic_renderer::<settings::LspInsertMode>(render_dropdown)
 411        .add_basic_renderer::<settings::AlternateScroll>(render_dropdown)
 412        .add_basic_renderer::<settings::TerminalBlink>(render_dropdown)
 413        .add_basic_renderer::<settings::CursorShapeContent>(render_dropdown)
 414        .add_basic_renderer::<f32>(render_number_field)
 415        .add_basic_renderer::<u32>(render_number_field)
 416        .add_basic_renderer::<u64>(render_number_field)
 417        .add_basic_renderer::<usize>(render_number_field)
 418        .add_basic_renderer::<NonZero<usize>>(render_number_field)
 419        .add_basic_renderer::<NonZeroU32>(render_number_field)
 420        .add_basic_renderer::<settings::CodeFade>(render_number_field)
 421        .add_basic_renderer::<settings::DelayMs>(render_number_field)
 422        .add_basic_renderer::<gpui::FontWeight>(render_number_field)
 423        .add_basic_renderer::<settings::InactiveOpacity>(render_number_field)
 424        .add_basic_renderer::<settings::MinimumContrast>(render_number_field)
 425        .add_basic_renderer::<settings::ShowScrollbar>(render_dropdown)
 426        .add_basic_renderer::<settings::ScrollbarDiagnostics>(render_dropdown)
 427        .add_basic_renderer::<settings::ShowMinimap>(render_dropdown)
 428        .add_basic_renderer::<settings::DisplayIn>(render_dropdown)
 429        .add_basic_renderer::<settings::MinimapThumb>(render_dropdown)
 430        .add_basic_renderer::<settings::MinimapThumbBorder>(render_dropdown)
 431        .add_basic_renderer::<settings::SteppingGranularity>(render_dropdown)
 432        .add_basic_renderer::<settings::NotifyWhenAgentWaiting>(render_dropdown)
 433        .add_basic_renderer::<settings::NotifyWhenAgentWaiting>(render_dropdown)
 434        .add_basic_renderer::<settings::ImageFileSizeUnit>(render_dropdown)
 435        .add_basic_renderer::<settings::StatusStyle>(render_dropdown)
 436        .add_basic_renderer::<settings::PaneSplitDirectionHorizontal>(render_dropdown)
 437        .add_basic_renderer::<settings::PaneSplitDirectionVertical>(render_dropdown)
 438        .add_basic_renderer::<settings::PaneSplitDirectionVertical>(render_dropdown)
 439        .add_basic_renderer::<settings::DocumentColorsRenderMode>(render_dropdown)
 440        .add_basic_renderer::<settings::ThemeSelectionDiscriminants>(render_dropdown)
 441        .add_basic_renderer::<settings::ThemeMode>(render_dropdown)
 442        .add_basic_renderer::<settings::ThemeName>(render_theme_picker)
 443        .add_basic_renderer::<settings::IconThemeSelectionDiscriminants>(render_dropdown)
 444        .add_basic_renderer::<settings::IconThemeName>(render_icon_theme_picker)
 445        .add_basic_renderer::<settings::BufferLineHeightDiscriminants>(render_dropdown)
 446        .add_basic_renderer::<settings::AutosaveSettingDiscriminants>(render_dropdown)
 447        .add_basic_renderer::<settings::WorkingDirectoryDiscriminants>(render_dropdown)
 448        .add_basic_renderer::<settings::MaybeDiscriminants>(render_dropdown)
 449        .add_basic_renderer::<settings::IncludeIgnoredContent>(render_dropdown)
 450        .add_basic_renderer::<settings::ShowIndentGuides>(render_dropdown)
 451        .add_basic_renderer::<settings::ShellDiscriminants>(render_dropdown)
 452        // please semicolon stay on next line
 453        ;
 454}
 455
 456pub fn open_settings_editor(
 457    _workspace: &mut Workspace,
 458    workspace_handle: WindowHandle<Workspace>,
 459    cx: &mut App,
 460) {
 461    let existing_window = cx
 462        .windows()
 463        .into_iter()
 464        .find_map(|window| window.downcast::<SettingsWindow>());
 465
 466    if let Some(existing_window) = existing_window {
 467        existing_window
 468            .update(cx, |settings_window, window, cx| {
 469                settings_window.original_window = Some(workspace_handle);
 470                settings_window.observe_last_window_close(cx);
 471                window.activate_window();
 472            })
 473            .ok();
 474        return;
 475    }
 476
 477    // We have to defer this to get the workspace off the stack.
 478
 479    cx.defer(move |cx| {
 480        let current_rem_size: f32 = theme::ThemeSettings::get_global(cx).ui_font_size(cx).into();
 481
 482        let default_bounds = size(px(900.), px(750.)); // 4:3 Aspect Ratio
 483        let default_rem_size = 16.0;
 484        let scale_factor = current_rem_size / default_rem_size;
 485        let scaled_bounds: gpui::Size<Pixels> = default_bounds.map(|axis| axis * scale_factor);
 486
 487        let window_decorations = match std::env::var("ZED_WINDOW_DECORATIONS") {
 488            Ok(val) if val == "server" => gpui::WindowDecorations::Server,
 489            Ok(val) if val == "client" => gpui::WindowDecorations::Client,
 490            _ => gpui::WindowDecorations::Client,
 491        };
 492
 493        cx.open_window(
 494            WindowOptions {
 495                titlebar: Some(TitlebarOptions {
 496                    title: Some("Settings Window".into()),
 497                    appears_transparent: true,
 498                    traffic_light_position: Some(point(px(12.0), px(12.0))),
 499                }),
 500                focus: true,
 501                show: true,
 502                is_movable: true,
 503                kind: gpui::WindowKind::Floating,
 504                window_background: cx.theme().window_background_appearance(),
 505                window_decorations: Some(window_decorations),
 506                window_min_size: Some(scaled_bounds),
 507                window_bounds: Some(WindowBounds::centered(scaled_bounds, cx)),
 508                ..Default::default()
 509            },
 510            |window, cx| cx.new(|cx| SettingsWindow::new(Some(workspace_handle), window, cx)),
 511        )
 512        .log_err();
 513    });
 514}
 515
 516/// The current sub page path that is selected.
 517/// If this is empty the selected page is rendered,
 518/// otherwise the last sub page gets rendered.
 519///
 520/// Global so that `pick` and `write` callbacks can access it
 521/// and use it to dynamically render sub pages (e.g. for language settings)
 522static SUB_PAGE_STACK: LazyLock<RwLock<Vec<SubPage>>> = LazyLock::new(|| RwLock::new(Vec::new()));
 523
 524fn sub_page_stack() -> std::sync::RwLockReadGuard<'static, Vec<SubPage>> {
 525    SUB_PAGE_STACK
 526        .read()
 527        .expect("SUB_PAGE_STACK is never poisoned")
 528}
 529
 530fn sub_page_stack_mut() -> std::sync::RwLockWriteGuard<'static, Vec<SubPage>> {
 531    SUB_PAGE_STACK
 532        .write()
 533        .expect("SUB_PAGE_STACK is never poisoned")
 534}
 535
 536pub struct SettingsWindow {
 537    title_bar: Option<Entity<PlatformTitleBar>>,
 538    original_window: Option<WindowHandle<Workspace>>,
 539    files: Vec<(SettingsUiFile, FocusHandle)>,
 540    drop_down_file: Option<usize>,
 541    worktree_root_dirs: HashMap<WorktreeId, String>,
 542    current_file: SettingsUiFile,
 543    pages: Vec<SettingsPage>,
 544    search_bar: Entity<Editor>,
 545    search_task: Option<Task<()>>,
 546    /// Index into navbar_entries
 547    navbar_entry: usize,
 548    navbar_entries: Vec<NavBarEntry>,
 549    navbar_scroll_handle: UniformListScrollHandle,
 550    /// [page_index][page_item_index] will be false
 551    /// when the item is filtered out either by searches
 552    /// or by the current file
 553    navbar_focus_subscriptions: Vec<gpui::Subscription>,
 554    filter_table: Vec<Vec<bool>>,
 555    has_query: bool,
 556    content_handles: Vec<Vec<Entity<NonFocusableHandle>>>,
 557    sub_page_scroll_handle: ScrollHandle,
 558    focus_handle: FocusHandle,
 559    navbar_focus_handle: Entity<NonFocusableHandle>,
 560    content_focus_handle: Entity<NonFocusableHandle>,
 561    files_focus_handle: FocusHandle,
 562    search_index: Option<Arc<SearchIndex>>,
 563    list_state: ListState,
 564}
 565
 566struct SearchIndex {
 567    bm25_engine: bm25::SearchEngine<usize>,
 568    fuzzy_match_candidates: Vec<StringMatchCandidate>,
 569    key_lut: Vec<SearchItemKey>,
 570}
 571
 572struct SearchItemKey {
 573    page_index: usize,
 574    header_index: usize,
 575    item_index: usize,
 576}
 577
 578struct SubPage {
 579    link: SubPageLink,
 580    section_header: &'static str,
 581}
 582
 583#[derive(Debug)]
 584struct NavBarEntry {
 585    title: &'static str,
 586    is_root: bool,
 587    expanded: bool,
 588    page_index: usize,
 589    item_index: Option<usize>,
 590    focus_handle: FocusHandle,
 591}
 592
 593struct SettingsPage {
 594    title: &'static str,
 595    items: Vec<SettingsPageItem>,
 596}
 597
 598#[derive(PartialEq)]
 599enum SettingsPageItem {
 600    SectionHeader(&'static str),
 601    SettingItem(SettingItem),
 602    SubPageLink(SubPageLink),
 603    DynamicItem(DynamicItem),
 604}
 605
 606impl std::fmt::Debug for SettingsPageItem {
 607    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 608        match self {
 609            SettingsPageItem::SectionHeader(header) => write!(f, "SectionHeader({})", header),
 610            SettingsPageItem::SettingItem(setting_item) => {
 611                write!(f, "SettingItem({})", setting_item.title)
 612            }
 613            SettingsPageItem::SubPageLink(sub_page_link) => {
 614                write!(f, "SubPageLink({})", sub_page_link.title)
 615            }
 616            SettingsPageItem::DynamicItem(dynamic_item) => {
 617                write!(f, "DynamicItem({})", dynamic_item.discriminant.title)
 618            }
 619        }
 620    }
 621}
 622
 623impl SettingsPageItem {
 624    fn render(
 625        &self,
 626        settings_window: &SettingsWindow,
 627        item_index: usize,
 628        is_last: bool,
 629        window: &mut Window,
 630        cx: &mut Context<SettingsWindow>,
 631    ) -> AnyElement {
 632        let file = settings_window.current_file.clone();
 633        let border_variant = cx.theme().colors().border_variant;
 634        let apply_padding = |element: Stateful<Div>| -> Stateful<Div> {
 635            let element = element.pt_4();
 636            if is_last {
 637                element.pb_10()
 638            } else {
 639                element.pb_4().border_b_1().border_color(border_variant)
 640            }
 641        };
 642        let mut render_setting_item_inner =
 643            |setting_item: &SettingItem, cx: &mut Context<SettingsWindow>| {
 644                let renderer = cx.default_global::<SettingFieldRenderer>().clone();
 645                let (_, found) = setting_item.field.file_set_in(file.clone(), cx);
 646
 647                let renderers = renderer.renderers.borrow();
 648                let field_renderer =
 649                    renderers.get(&AnySettingField::type_id(setting_item.field.as_ref()));
 650                let field_renderer_or_warning =
 651                    field_renderer.ok_or("NO RENDERER").and_then(|renderer| {
 652                        if cfg!(debug_assertions) && !found {
 653                            Err("NO DEFAULT")
 654                        } else {
 655                            Ok(renderer)
 656                        }
 657                    });
 658
 659                let field = match field_renderer_or_warning {
 660                    Ok(field_renderer) => field_renderer(
 661                        settings_window,
 662                        setting_item,
 663                        file.clone(),
 664                        setting_item.metadata.as_deref(),
 665                        window,
 666                        cx,
 667                    ),
 668                    Err(warning) => render_settings_item(
 669                        settings_window,
 670                        setting_item,
 671                        file.clone(),
 672                        Button::new("error-warning", warning)
 673                            .style(ButtonStyle::Outlined)
 674                            .size(ButtonSize::Medium)
 675                            .icon(Some(IconName::Debug))
 676                            .icon_position(IconPosition::Start)
 677                            .icon_color(Color::Error)
 678                            .tab_index(0_isize)
 679                            .tooltip(Tooltip::text(setting_item.field.type_name()))
 680                            .into_any_element(),
 681                        window,
 682                        cx,
 683                    ),
 684                };
 685
 686                (field.map(apply_padding), field_renderer_or_warning.is_ok())
 687            };
 688        match self {
 689            SettingsPageItem::SectionHeader(header) => v_flex()
 690                .w_full()
 691                .gap_1p5()
 692                .child(
 693                    Label::new(SharedString::new_static(header))
 694                        .size(LabelSize::Small)
 695                        .color(Color::Muted)
 696                        .buffer_font(cx),
 697                )
 698                .child(Divider::horizontal().color(DividerColor::BorderFaded))
 699                .into_any_element(),
 700            SettingsPageItem::SettingItem(setting_item) => {
 701                render_setting_item_inner(setting_item, cx)
 702                    .0
 703                    .into_any_element()
 704            }
 705            SettingsPageItem::SubPageLink(sub_page_link) => h_flex()
 706                .id(sub_page_link.title.clone())
 707                .w_full()
 708                .min_w_0()
 709                .gap_2()
 710                .justify_between()
 711                .map(apply_padding)
 712                .child(
 713                    v_flex()
 714                        .w_full()
 715                        .max_w_1_2()
 716                        .child(Label::new(sub_page_link.title.clone())),
 717                )
 718                .child(
 719                    Button::new(
 720                        ("sub-page".into(), sub_page_link.title.clone()),
 721                        "Configure",
 722                    )
 723                    .icon(IconName::ChevronRight)
 724                    .tab_index(0_isize)
 725                    .icon_position(IconPosition::End)
 726                    .icon_color(Color::Muted)
 727                    .icon_size(IconSize::Small)
 728                    .style(ButtonStyle::Outlined)
 729                    .size(ButtonSize::Medium)
 730                    .on_click({
 731                        let sub_page_link = sub_page_link.clone();
 732                        cx.listener(move |this, _, _, cx| {
 733                            let mut section_index = item_index;
 734                            let current_page = this.current_page();
 735
 736                            while !matches!(
 737                                current_page.items[section_index],
 738                                SettingsPageItem::SectionHeader(_)
 739                            ) {
 740                                section_index -= 1;
 741                            }
 742
 743                            let SettingsPageItem::SectionHeader(header) =
 744                                current_page.items[section_index]
 745                            else {
 746                                unreachable!("All items always have a section header above them")
 747                            };
 748
 749                            this.push_sub_page(sub_page_link.clone(), header, cx)
 750                        })
 751                    }),
 752                )
 753                .into_any_element(),
 754            SettingsPageItem::DynamicItem(DynamicItem {
 755                discriminant: discriminant_setting_item,
 756                pick_discriminant,
 757                fields,
 758            }) => {
 759                let file = file.to_settings();
 760                let discriminant = SettingsStore::global(cx)
 761                    .get_value_from_file(file, *pick_discriminant)
 762                    .1;
 763                let (discriminant_element, rendered_ok) =
 764                    render_setting_item_inner(discriminant_setting_item, cx);
 765                let mut content = v_flex()
 766                    .gap_2()
 767                    .id("dynamic-item")
 768                    .child(discriminant_element);
 769                if rendered_ok {
 770                    let discriminant =
 771                        discriminant.expect("This should be Some if rendered_ok is true");
 772                    let sub_fields = &fields[discriminant];
 773                    for field in sub_fields {
 774                        content = content.child(render_setting_item_inner(field, cx).0.pl_6());
 775                    }
 776                }
 777
 778                return content.into_any_element();
 779            }
 780        }
 781    }
 782}
 783
 784fn render_settings_item(
 785    settings_window: &SettingsWindow,
 786    setting_item: &SettingItem,
 787    file: SettingsUiFile,
 788    control: AnyElement,
 789    _window: &mut Window,
 790    cx: &mut Context<'_, SettingsWindow>,
 791) -> Stateful<Div> {
 792    let (found_in_file, _) = setting_item.field.file_set_in(file.clone(), cx);
 793    let file_set_in = SettingsUiFile::from_settings(found_in_file.clone());
 794
 795    h_flex()
 796        .id(setting_item.title)
 797        .min_w_0()
 798        .gap_2()
 799        .justify_between()
 800        .child(
 801            v_flex()
 802                .w_1_2()
 803                .child(
 804                    h_flex()
 805                        .w_full()
 806                        .gap_1()
 807                        .child(Label::new(SharedString::new_static(setting_item.title)))
 808                        .when_some(
 809                            setting_item
 810                                .field
 811                                .reset_to_default_fn(&file, &found_in_file, cx),
 812                            |this, reset_to_default| {
 813                                this.child(
 814                                    IconButton::new("reset-to-default-btn", IconName::Undo)
 815                                        .icon_color(Color::Muted)
 816                                        .icon_size(IconSize::Small)
 817                                        .tooltip(Tooltip::text("Reset to Default"))
 818                                        .on_click({
 819                                            move |_, _, cx| {
 820                                                reset_to_default(cx);
 821                                            }
 822                                        }),
 823                                )
 824                            },
 825                        )
 826                        .when_some(
 827                            file_set_in.filter(|file_set_in| file_set_in != &file),
 828                            |this, file_set_in| {
 829                                this.child(
 830                                    Label::new(format!(
 831                                        "—  Modified in {}",
 832                                        settings_window
 833                                            .display_name(&file_set_in)
 834                                            .expect("File name should exist")
 835                                    ))
 836                                    .color(Color::Muted)
 837                                    .size(LabelSize::Small),
 838                                )
 839                            },
 840                        ),
 841                )
 842                .child(
 843                    Label::new(SharedString::new_static(setting_item.description))
 844                        .size(LabelSize::Small)
 845                        .color(Color::Muted),
 846                ),
 847        )
 848        .child(control)
 849}
 850
 851struct SettingItem {
 852    title: &'static str,
 853    description: &'static str,
 854    field: Box<dyn AnySettingField>,
 855    metadata: Option<Box<SettingsFieldMetadata>>,
 856    files: FileMask,
 857}
 858
 859struct DynamicItem {
 860    discriminant: SettingItem,
 861    pick_discriminant: fn(&SettingsContent) -> Option<usize>,
 862    fields: Vec<Vec<SettingItem>>,
 863}
 864
 865impl PartialEq for DynamicItem {
 866    fn eq(&self, other: &Self) -> bool {
 867        self.discriminant == other.discriminant && self.fields == other.fields
 868    }
 869}
 870
 871#[derive(PartialEq, Eq, Clone, Copy)]
 872struct FileMask(u8);
 873
 874impl std::fmt::Debug for FileMask {
 875    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 876        write!(f, "FileMask(")?;
 877        let mut items = vec![];
 878
 879        if self.contains(USER) {
 880            items.push("USER");
 881        }
 882        if self.contains(LOCAL) {
 883            items.push("LOCAL");
 884        }
 885        if self.contains(SERVER) {
 886            items.push("SERVER");
 887        }
 888
 889        write!(f, "{})", items.join(" | "))
 890    }
 891}
 892
 893const USER: FileMask = FileMask(1 << 0);
 894const LOCAL: FileMask = FileMask(1 << 2);
 895const SERVER: FileMask = FileMask(1 << 3);
 896
 897impl std::ops::BitAnd for FileMask {
 898    type Output = Self;
 899
 900    fn bitand(self, other: Self) -> Self {
 901        Self(self.0 & other.0)
 902    }
 903}
 904
 905impl std::ops::BitOr for FileMask {
 906    type Output = Self;
 907
 908    fn bitor(self, other: Self) -> Self {
 909        Self(self.0 | other.0)
 910    }
 911}
 912
 913impl FileMask {
 914    fn contains(&self, other: FileMask) -> bool {
 915        self.0 & other.0 != 0
 916    }
 917}
 918
 919impl PartialEq for SettingItem {
 920    fn eq(&self, other: &Self) -> bool {
 921        self.title == other.title
 922            && self.description == other.description
 923            && (match (&self.metadata, &other.metadata) {
 924                (None, None) => true,
 925                (Some(m1), Some(m2)) => m1.placeholder == m2.placeholder,
 926                _ => false,
 927            })
 928    }
 929}
 930
 931#[derive(Clone)]
 932struct SubPageLink {
 933    title: SharedString,
 934    files: FileMask,
 935    render: Arc<
 936        dyn Fn(&mut SettingsWindow, &mut Window, &mut Context<SettingsWindow>) -> AnyElement
 937            + 'static
 938            + Send
 939            + Sync,
 940    >,
 941}
 942
 943impl PartialEq for SubPageLink {
 944    fn eq(&self, other: &Self) -> bool {
 945        self.title == other.title
 946    }
 947}
 948
 949fn all_language_names(cx: &App) -> Vec<SharedString> {
 950    workspace::AppState::global(cx)
 951        .upgrade()
 952        .map_or(vec![], |state| {
 953            state
 954                .languages
 955                .language_names()
 956                .into_iter()
 957                .filter(|name| name.as_ref() != "Zed Keybind Context")
 958                .map(Into::into)
 959                .collect()
 960        })
 961}
 962
 963#[allow(unused)]
 964#[derive(Clone, PartialEq)]
 965enum SettingsUiFile {
 966    User,                                // Uses all settings.
 967    Project((WorktreeId, Arc<RelPath>)), // Has a special name, and special set of settings
 968    Server(&'static str),                // Uses a special name, and the user settings
 969}
 970
 971impl SettingsUiFile {
 972    fn is_server(&self) -> bool {
 973        matches!(self, SettingsUiFile::Server(_))
 974    }
 975
 976    fn worktree_id(&self) -> Option<WorktreeId> {
 977        match self {
 978            SettingsUiFile::User => None,
 979            SettingsUiFile::Project((worktree_id, _)) => Some(*worktree_id),
 980            SettingsUiFile::Server(_) => None,
 981        }
 982    }
 983
 984    fn from_settings(file: settings::SettingsFile) -> Option<Self> {
 985        Some(match file {
 986            settings::SettingsFile::User => SettingsUiFile::User,
 987            settings::SettingsFile::Project(location) => SettingsUiFile::Project(location),
 988            settings::SettingsFile::Server => SettingsUiFile::Server("todo: server name"),
 989            settings::SettingsFile::Default => return None,
 990        })
 991    }
 992
 993    fn to_settings(&self) -> settings::SettingsFile {
 994        match self {
 995            SettingsUiFile::User => settings::SettingsFile::User,
 996            SettingsUiFile::Project(location) => settings::SettingsFile::Project(location.clone()),
 997            SettingsUiFile::Server(_) => settings::SettingsFile::Server,
 998        }
 999    }
1000
1001    fn mask(&self) -> FileMask {
1002        match self {
1003            SettingsUiFile::User => USER,
1004            SettingsUiFile::Project(_) => LOCAL,
1005            SettingsUiFile::Server(_) => SERVER,
1006        }
1007    }
1008}
1009
1010impl SettingsWindow {
1011    pub fn new(
1012        original_window: Option<WindowHandle<Workspace>>,
1013        window: &mut Window,
1014        cx: &mut Context<Self>,
1015    ) -> Self {
1016        let font_family_cache = theme::FontFamilyCache::global(cx);
1017
1018        cx.spawn(async move |this, cx| {
1019            font_family_cache.prefetch(cx).await;
1020            this.update(cx, |_, cx| {
1021                cx.notify();
1022            })
1023        })
1024        .detach();
1025
1026        let current_file = SettingsUiFile::User;
1027        let search_bar = cx.new(|cx| {
1028            let mut editor = Editor::single_line(window, cx);
1029            editor.set_placeholder_text("Search settings…", window, cx);
1030            editor
1031        });
1032
1033        cx.subscribe(&search_bar, |this, _, event: &EditorEvent, cx| {
1034            let EditorEvent::Edited { transaction_id: _ } = event else {
1035                return;
1036            };
1037
1038            this.update_matches(cx);
1039        })
1040        .detach();
1041
1042        cx.observe_global_in::<SettingsStore>(window, move |this, window, cx| {
1043            this.fetch_files(window, cx);
1044            cx.notify();
1045        })
1046        .detach();
1047
1048        let title_bar = if !cfg!(target_os = "macos") {
1049            Some(cx.new(|cx| PlatformTitleBar::new("settings-title-bar", cx)))
1050        } else {
1051            None
1052        };
1053
1054        // high overdraw value so the list scrollbar len doesn't change too much
1055        let list_state = gpui::ListState::new(0, gpui::ListAlignment::Top, px(100.0)).measure_all();
1056        list_state.set_scroll_handler(|_, _, _| {});
1057
1058        let mut this = Self {
1059            title_bar,
1060            original_window,
1061
1062            worktree_root_dirs: HashMap::default(),
1063            files: vec![],
1064            drop_down_file: None,
1065            current_file: current_file,
1066            pages: vec![],
1067            navbar_entries: vec![],
1068            navbar_entry: 0,
1069            navbar_scroll_handle: UniformListScrollHandle::default(),
1070            search_bar,
1071            search_task: None,
1072            filter_table: vec![],
1073            has_query: false,
1074            content_handles: vec![],
1075            sub_page_scroll_handle: ScrollHandle::new(),
1076            focus_handle: cx.focus_handle(),
1077            navbar_focus_handle: NonFocusableHandle::new(
1078                NAVBAR_CONTAINER_TAB_INDEX,
1079                false,
1080                window,
1081                cx,
1082            ),
1083            navbar_focus_subscriptions: vec![],
1084            content_focus_handle: NonFocusableHandle::new(
1085                CONTENT_CONTAINER_TAB_INDEX,
1086                false,
1087                window,
1088                cx,
1089            ),
1090            files_focus_handle: cx
1091                .focus_handle()
1092                .tab_index(HEADER_CONTAINER_TAB_INDEX)
1093                .tab_stop(false),
1094            search_index: None,
1095            list_state,
1096        };
1097
1098        this.observe_last_window_close(cx);
1099
1100        this.fetch_files(window, cx);
1101        this.build_ui(window, cx);
1102        this.build_search_index();
1103
1104        this.search_bar.update(cx, |editor, cx| {
1105            editor.focus_handle(cx).focus(window);
1106        });
1107
1108        this
1109    }
1110
1111    fn observe_last_window_close(&mut self, cx: &mut App) {
1112        cx.on_window_closed(|cx| {
1113            if let Some(existing_window) = cx
1114                .windows()
1115                .into_iter()
1116                .find_map(|window| window.downcast::<SettingsWindow>())
1117                && cx.windows().len() == 1
1118            {
1119                cx.update_window(*existing_window, |_, window, _| {
1120                    window.remove_window();
1121                })
1122                .ok();
1123            }
1124        })
1125        .detach();
1126    }
1127
1128    fn toggle_navbar_entry(&mut self, nav_entry_index: usize) {
1129        // We can only toggle root entries
1130        if !self.navbar_entries[nav_entry_index].is_root {
1131            return;
1132        }
1133
1134        let expanded = &mut self.navbar_entries[nav_entry_index].expanded;
1135        *expanded = !*expanded;
1136        self.navbar_entry = nav_entry_index;
1137        self.reset_list_state();
1138    }
1139
1140    fn build_navbar(&mut self, cx: &App) {
1141        let mut navbar_entries = Vec::new();
1142
1143        for (page_index, page) in self.pages.iter().enumerate() {
1144            navbar_entries.push(NavBarEntry {
1145                title: page.title,
1146                is_root: true,
1147                expanded: false,
1148                page_index,
1149                item_index: None,
1150                focus_handle: cx.focus_handle().tab_index(0).tab_stop(true),
1151            });
1152
1153            for (item_index, item) in page.items.iter().enumerate() {
1154                let SettingsPageItem::SectionHeader(title) = item else {
1155                    continue;
1156                };
1157                navbar_entries.push(NavBarEntry {
1158                    title,
1159                    is_root: false,
1160                    expanded: false,
1161                    page_index,
1162                    item_index: Some(item_index),
1163                    focus_handle: cx.focus_handle().tab_index(0).tab_stop(true),
1164                });
1165            }
1166        }
1167
1168        self.navbar_entries = navbar_entries;
1169    }
1170
1171    fn setup_navbar_focus_subscriptions(
1172        &mut self,
1173        window: &mut Window,
1174        cx: &mut Context<SettingsWindow>,
1175    ) {
1176        let mut focus_subscriptions = Vec::new();
1177
1178        for entry_index in 0..self.navbar_entries.len() {
1179            let focus_handle = self.navbar_entries[entry_index].focus_handle.clone();
1180
1181            let subscription = cx.on_focus(
1182                &focus_handle,
1183                window,
1184                move |this: &mut SettingsWindow,
1185                      window: &mut Window,
1186                      cx: &mut Context<SettingsWindow>| {
1187                    this.open_and_scroll_to_navbar_entry(entry_index, window, cx, false);
1188                },
1189            );
1190            focus_subscriptions.push(subscription);
1191        }
1192        self.navbar_focus_subscriptions = focus_subscriptions;
1193    }
1194
1195    fn visible_navbar_entries(&self) -> impl Iterator<Item = (usize, &NavBarEntry)> {
1196        let mut index = 0;
1197        let entries = &self.navbar_entries;
1198        let search_matches = &self.filter_table;
1199        let has_query = self.has_query;
1200        std::iter::from_fn(move || {
1201            while index < entries.len() {
1202                let entry = &entries[index];
1203                let included_in_search = if let Some(item_index) = entry.item_index {
1204                    search_matches[entry.page_index][item_index]
1205                } else {
1206                    search_matches[entry.page_index].iter().any(|b| *b)
1207                        || search_matches[entry.page_index].is_empty()
1208                };
1209                if included_in_search {
1210                    break;
1211                }
1212                index += 1;
1213            }
1214            if index >= self.navbar_entries.len() {
1215                return None;
1216            }
1217            let entry = &entries[index];
1218            let entry_index = index;
1219
1220            index += 1;
1221            if entry.is_root && !entry.expanded && !has_query {
1222                while index < entries.len() {
1223                    if entries[index].is_root {
1224                        break;
1225                    }
1226                    index += 1;
1227                }
1228            }
1229
1230            return Some((entry_index, entry));
1231        })
1232    }
1233
1234    fn filter_matches_to_file(&mut self) {
1235        let current_file = self.current_file.mask();
1236        for (page, page_filter) in std::iter::zip(&self.pages, &mut self.filter_table) {
1237            let mut header_index = 0;
1238            let mut any_found_since_last_header = true;
1239
1240            for (index, item) in page.items.iter().enumerate() {
1241                match item {
1242                    SettingsPageItem::SectionHeader(_) => {
1243                        if !any_found_since_last_header {
1244                            page_filter[header_index] = false;
1245                        }
1246                        header_index = index;
1247                        any_found_since_last_header = false;
1248                    }
1249                    SettingsPageItem::SettingItem(SettingItem { files, .. })
1250                    | SettingsPageItem::SubPageLink(SubPageLink { files, .. })
1251                    | SettingsPageItem::DynamicItem(DynamicItem {
1252                        discriminant: SettingItem { files, .. },
1253                        ..
1254                    }) => {
1255                        if !files.contains(current_file) {
1256                            page_filter[index] = false;
1257                        } else {
1258                            any_found_since_last_header = true;
1259                        }
1260                    }
1261                }
1262            }
1263            if let Some(last_header) = page_filter.get_mut(header_index)
1264                && !any_found_since_last_header
1265            {
1266                *last_header = false;
1267            }
1268        }
1269    }
1270
1271    fn update_matches(&mut self, cx: &mut Context<SettingsWindow>) {
1272        self.search_task.take();
1273        let query = self.search_bar.read(cx).text(cx);
1274        if query.is_empty() || self.search_index.is_none() {
1275            for page in &mut self.filter_table {
1276                page.fill(true);
1277            }
1278            self.has_query = false;
1279            self.filter_matches_to_file();
1280            self.reset_list_state();
1281            cx.notify();
1282            return;
1283        }
1284
1285        let search_index = self.search_index.as_ref().unwrap().clone();
1286
1287        fn update_matches_inner(
1288            this: &mut SettingsWindow,
1289            search_index: &SearchIndex,
1290            match_indices: impl Iterator<Item = usize>,
1291            cx: &mut Context<SettingsWindow>,
1292        ) {
1293            for page in &mut this.filter_table {
1294                page.fill(false);
1295            }
1296
1297            for match_index in match_indices {
1298                let SearchItemKey {
1299                    page_index,
1300                    header_index,
1301                    item_index,
1302                } = search_index.key_lut[match_index];
1303                let page = &mut this.filter_table[page_index];
1304                page[header_index] = true;
1305                page[item_index] = true;
1306            }
1307            this.has_query = true;
1308            this.filter_matches_to_file();
1309            this.open_first_nav_page();
1310            this.reset_list_state();
1311            cx.notify();
1312        }
1313
1314        self.search_task = Some(cx.spawn(async move |this, cx| {
1315            let bm25_task = cx.background_spawn({
1316                let search_index = search_index.clone();
1317                let max_results = search_index.key_lut.len();
1318                let query = query.clone();
1319                async move { search_index.bm25_engine.search(&query, max_results) }
1320            });
1321            let cancel_flag = std::sync::atomic::AtomicBool::new(false);
1322            let fuzzy_search_task = fuzzy::match_strings(
1323                search_index.fuzzy_match_candidates.as_slice(),
1324                &query,
1325                false,
1326                true,
1327                search_index.fuzzy_match_candidates.len(),
1328                &cancel_flag,
1329                cx.background_executor().clone(),
1330            );
1331
1332            let fuzzy_matches = fuzzy_search_task.await;
1333
1334            _ = this
1335                .update(cx, |this, cx| {
1336                    // For tuning the score threshold
1337                    // for fuzzy_match in &fuzzy_matches {
1338                    //     let SearchItemKey {
1339                    //         page_index,
1340                    //         header_index,
1341                    //         item_index,
1342                    //     } = search_index.key_lut[fuzzy_match.candidate_id];
1343                    //     let SettingsPageItem::SectionHeader(header) =
1344                    //         this.pages[page_index].items[header_index]
1345                    //     else {
1346                    //         continue;
1347                    //     };
1348                    //     let SettingsPageItem::SettingItem(SettingItem {
1349                    //         title, description, ..
1350                    //     }) = this.pages[page_index].items[item_index]
1351                    //     else {
1352                    //         continue;
1353                    //     };
1354                    //     let score = fuzzy_match.score;
1355                    //     eprint!("# {header} :: QUERY = {query} :: SCORE = {score}\n{title}\n{description}\n\n");
1356                    // }
1357                    update_matches_inner(
1358                        this,
1359                        search_index.as_ref(),
1360                        fuzzy_matches
1361                            .into_iter()
1362                            // MAGIC NUMBER: Was found to have right balance between not too many weird matches, but also
1363                            // flexible enough to catch misspellings and <4 letter queries
1364                            // More flexible is good for us here because fuzzy matches will only be used for things that don't
1365                            // match using bm25
1366                            .take_while(|fuzzy_match| fuzzy_match.score >= 0.3)
1367                            .map(|fuzzy_match| fuzzy_match.candidate_id),
1368                        cx,
1369                    );
1370                })
1371                .ok();
1372
1373            let bm25_matches = bm25_task.await;
1374
1375            _ = this
1376                .update(cx, |this, cx| {
1377                    if bm25_matches.is_empty() {
1378                        return;
1379                    }
1380                    update_matches_inner(
1381                        this,
1382                        search_index.as_ref(),
1383                        bm25_matches
1384                            .into_iter()
1385                            .map(|bm25_match| bm25_match.document.id),
1386                        cx,
1387                    );
1388                })
1389                .ok();
1390        }));
1391    }
1392
1393    fn build_filter_table(&mut self) {
1394        self.filter_table = self
1395            .pages
1396            .iter()
1397            .map(|page| vec![true; page.items.len()])
1398            .collect::<Vec<_>>();
1399    }
1400
1401    fn build_search_index(&mut self) {
1402        let mut key_lut: Vec<SearchItemKey> = vec![];
1403        let mut documents = Vec::default();
1404        let mut fuzzy_match_candidates = Vec::default();
1405
1406        fn push_candidates(
1407            fuzzy_match_candidates: &mut Vec<StringMatchCandidate>,
1408            key_index: usize,
1409            input: &str,
1410        ) {
1411            for word in input.split_ascii_whitespace() {
1412                fuzzy_match_candidates.push(StringMatchCandidate::new(key_index, word));
1413            }
1414        }
1415
1416        // PERF: We are currently searching all items even in project files
1417        // where many settings are filtered out, using the logic in filter_matches_to_file
1418        // we could only search relevant items based on the current file
1419        for (page_index, page) in self.pages.iter().enumerate() {
1420            let mut header_index = 0;
1421            let mut header_str = "";
1422            for (item_index, item) in page.items.iter().enumerate() {
1423                let key_index = key_lut.len();
1424                match item {
1425                    SettingsPageItem::DynamicItem(DynamicItem {
1426                        discriminant: item, ..
1427                    })
1428                    | SettingsPageItem::SettingItem(item) => {
1429                        documents.push(bm25::Document {
1430                            id: key_index,
1431                            contents: [page.title, header_str, item.title, item.description]
1432                                .join("\n"),
1433                        });
1434                        push_candidates(&mut fuzzy_match_candidates, key_index, item.title);
1435                        push_candidates(&mut fuzzy_match_candidates, key_index, item.description);
1436                    }
1437                    SettingsPageItem::SectionHeader(header) => {
1438                        documents.push(bm25::Document {
1439                            id: key_index,
1440                            contents: header.to_string(),
1441                        });
1442                        push_candidates(&mut fuzzy_match_candidates, key_index, header);
1443                        header_index = item_index;
1444                        header_str = *header;
1445                    }
1446                    SettingsPageItem::SubPageLink(sub_page_link) => {
1447                        documents.push(bm25::Document {
1448                            id: key_index,
1449                            contents: [page.title, header_str, sub_page_link.title.as_ref()]
1450                                .join("\n"),
1451                        });
1452                        push_candidates(
1453                            &mut fuzzy_match_candidates,
1454                            key_index,
1455                            sub_page_link.title.as_ref(),
1456                        );
1457                    }
1458                }
1459                push_candidates(&mut fuzzy_match_candidates, key_index, page.title);
1460                push_candidates(&mut fuzzy_match_candidates, key_index, header_str);
1461
1462                key_lut.push(SearchItemKey {
1463                    page_index,
1464                    header_index,
1465                    item_index,
1466                });
1467            }
1468        }
1469        let engine =
1470            bm25::SearchEngineBuilder::with_documents(bm25::Language::English, documents).build();
1471        self.search_index = Some(Arc::new(SearchIndex {
1472            bm25_engine: engine,
1473            key_lut,
1474            fuzzy_match_candidates,
1475        }));
1476    }
1477
1478    fn build_content_handles(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1479        self.content_handles = self
1480            .pages
1481            .iter()
1482            .map(|page| {
1483                std::iter::repeat_with(|| NonFocusableHandle::new(0, false, window, cx))
1484                    .take(page.items.len())
1485                    .collect()
1486            })
1487            .collect::<Vec<_>>();
1488    }
1489
1490    fn reset_list_state(&mut self) {
1491        // plus one for the title
1492        let mut visible_items_count = self.visible_page_items().count();
1493
1494        if visible_items_count > 0 {
1495            // show page title if page is non empty
1496            visible_items_count += 1;
1497        }
1498
1499        self.list_state.reset(visible_items_count);
1500    }
1501
1502    fn build_ui(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1503        if self.pages.is_empty() {
1504            self.pages = page_data::settings_data(cx);
1505            self.build_navbar(cx);
1506            self.setup_navbar_focus_subscriptions(window, cx);
1507            self.build_content_handles(window, cx);
1508        }
1509        sub_page_stack_mut().clear();
1510        // PERF: doesn't have to be rebuilt, can just be filled with true. pages is constant once it is built
1511        self.build_filter_table();
1512        self.reset_list_state();
1513        self.update_matches(cx);
1514
1515        cx.notify();
1516    }
1517
1518    fn fetch_files(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1519        self.worktree_root_dirs.clear();
1520        let prev_files = self.files.clone();
1521        let settings_store = cx.global::<SettingsStore>();
1522        let mut ui_files = vec![];
1523        let all_files = settings_store.get_all_files();
1524        for file in all_files {
1525            let Some(settings_ui_file) = SettingsUiFile::from_settings(file) else {
1526                continue;
1527            };
1528            if settings_ui_file.is_server() {
1529                continue;
1530            }
1531
1532            if let Some(worktree_id) = settings_ui_file.worktree_id() {
1533                let directory_name = all_projects(cx)
1534                    .find_map(|project| project.read(cx).worktree_for_id(worktree_id, cx))
1535                    .and_then(|worktree| worktree.read(cx).root_dir())
1536                    .and_then(|root_dir| {
1537                        root_dir
1538                            .file_name()
1539                            .map(|os_string| os_string.to_string_lossy().to_string())
1540                    });
1541
1542                let Some(directory_name) = directory_name else {
1543                    log::error!(
1544                        "No directory name found for settings file at worktree ID: {}",
1545                        worktree_id
1546                    );
1547                    continue;
1548                };
1549
1550                self.worktree_root_dirs.insert(worktree_id, directory_name);
1551            }
1552
1553            let focus_handle = prev_files
1554                .iter()
1555                .find_map(|(prev_file, handle)| {
1556                    (prev_file == &settings_ui_file).then(|| handle.clone())
1557                })
1558                .unwrap_or_else(|| cx.focus_handle().tab_index(0).tab_stop(true));
1559            ui_files.push((settings_ui_file, focus_handle));
1560        }
1561        ui_files.reverse();
1562        self.files = ui_files;
1563        let current_file_still_exists = self
1564            .files
1565            .iter()
1566            .any(|(file, _)| file == &self.current_file);
1567        if !current_file_still_exists {
1568            self.change_file(0, window, false, cx);
1569        }
1570    }
1571
1572    fn open_navbar_entry_page(&mut self, navbar_entry: usize) {
1573        if !self.is_nav_entry_visible(navbar_entry) {
1574            self.open_first_nav_page();
1575        }
1576
1577        let is_new_page = self.navbar_entries[self.navbar_entry].page_index
1578            != self.navbar_entries[navbar_entry].page_index;
1579        self.navbar_entry = navbar_entry;
1580
1581        // We only need to reset visible items when updating matches
1582        // and selecting a new page
1583        if is_new_page {
1584            self.reset_list_state();
1585        }
1586
1587        sub_page_stack_mut().clear();
1588    }
1589
1590    fn open_first_nav_page(&mut self) {
1591        let Some(first_navbar_entry_index) = self.visible_navbar_entries().next().map(|e| e.0)
1592        else {
1593            return;
1594        };
1595        self.open_navbar_entry_page(first_navbar_entry_index);
1596    }
1597
1598    fn change_file(
1599        &mut self,
1600        ix: usize,
1601        window: &mut Window,
1602        drop_down_file: bool,
1603        cx: &mut Context<SettingsWindow>,
1604    ) {
1605        if ix >= self.files.len() {
1606            self.current_file = SettingsUiFile::User;
1607            self.build_ui(window, cx);
1608            return;
1609        }
1610        if drop_down_file {
1611            self.drop_down_file = Some(ix);
1612        }
1613
1614        if self.files[ix].0 == self.current_file {
1615            return;
1616        }
1617        self.current_file = self.files[ix].0.clone();
1618
1619        self.build_ui(window, cx);
1620
1621        if self
1622            .visible_navbar_entries()
1623            .any(|(index, _)| index == self.navbar_entry)
1624        {
1625            self.open_and_scroll_to_navbar_entry(self.navbar_entry, window, cx, true);
1626        } else {
1627            self.open_first_nav_page();
1628        };
1629    }
1630
1631    fn render_files_header(
1632        &self,
1633        window: &mut Window,
1634        cx: &mut Context<SettingsWindow>,
1635    ) -> impl IntoElement {
1636        const OVERFLOW_LIMIT: usize = 1;
1637
1638        let file_button =
1639            |ix, file: &SettingsUiFile, focus_handle, cx: &mut Context<SettingsWindow>| {
1640                Button::new(
1641                    ix,
1642                    self.display_name(&file)
1643                        .expect("Files should always have a name"),
1644                )
1645                .toggle_state(file == &self.current_file)
1646                .selected_style(ButtonStyle::Tinted(ui::TintColor::Accent))
1647                .track_focus(focus_handle)
1648                .on_click(cx.listener({
1649                    let focus_handle = focus_handle.clone();
1650                    move |this, _: &gpui::ClickEvent, window, cx| {
1651                        this.change_file(ix, window, false, cx);
1652                        focus_handle.focus(window);
1653                    }
1654                }))
1655            };
1656
1657        let this = cx.entity();
1658
1659        h_flex()
1660            .w_full()
1661            .pb_4()
1662            .gap_1()
1663            .justify_between()
1664            .track_focus(&self.files_focus_handle)
1665            .tab_group()
1666            .tab_index(HEADER_GROUP_TAB_INDEX)
1667            .child(
1668                h_flex()
1669                    .gap_1()
1670                    .children(
1671                        self.files.iter().enumerate().take(OVERFLOW_LIMIT).map(
1672                            |(ix, (file, focus_handle))| file_button(ix, file, focus_handle, cx),
1673                        ),
1674                    )
1675                    .when(self.files.len() > OVERFLOW_LIMIT, |div| {
1676                        div.children(
1677                            self.files
1678                                .iter()
1679                                .enumerate()
1680                                .skip(OVERFLOW_LIMIT)
1681                                .find(|(_, (file, _))| file == &self.current_file)
1682                                .map(|(ix, (file, focus_handle))| {
1683                                    file_button(ix, file, focus_handle, cx)
1684                                })
1685                                .or_else(|| {
1686                                    let ix = self.drop_down_file.unwrap_or(OVERFLOW_LIMIT);
1687                                    self.files.get(ix).map(|(file, focus_handle)| {
1688                                        file_button(ix, file, focus_handle, cx)
1689                                    })
1690                                }),
1691                        )
1692                        .when(
1693                            self.files.len() > OVERFLOW_LIMIT + 1,
1694                            |div| {
1695                                div.child(
1696                                    DropdownMenu::new(
1697                                        "more-files",
1698                                        format!("+{}", self.files.len() - (OVERFLOW_LIMIT + 1)),
1699                                        ContextMenu::build(window, cx, move |mut menu, _, _| {
1700                                            for (ix, (file, focus_handle)) in self
1701                                                .files
1702                                                .iter()
1703                                                .enumerate()
1704                                                .skip(OVERFLOW_LIMIT + 1)
1705                                            {
1706                                                menu = menu.entry(
1707                                                    self.display_name(file)
1708                                                        .expect("Files should always have a name"),
1709                                                    None,
1710                                                    {
1711                                                        let this = this.clone();
1712                                                        let focus_handle = focus_handle.clone();
1713                                                        move |window, cx| {
1714                                                            this.update(cx, |this, cx| {
1715                                                                this.change_file(
1716                                                                    ix, window, true, cx,
1717                                                                );
1718                                                            });
1719                                                            focus_handle.focus(window);
1720                                                        }
1721                                                    },
1722                                                );
1723                                            }
1724
1725                                            menu
1726                                        }),
1727                                    )
1728                                    .style(DropdownStyle::Subtle)
1729                                    .trigger_tooltip(Tooltip::text("View Other Projects"))
1730                                    .trigger_icon(IconName::ChevronDown)
1731                                    .attach(gpui::Corner::BottomLeft)
1732                                    .offset(gpui::Point {
1733                                        x: px(0.0),
1734                                        y: px(2.0),
1735                                    })
1736                                    .tab_index(0),
1737                                )
1738                            },
1739                        )
1740                    }),
1741            )
1742            .child(
1743                Button::new("edit-in-json", "Edit in settings.json")
1744                    .tab_index(0_isize)
1745                    .style(ButtonStyle::OutlinedGhost)
1746                    .on_click(cx.listener(|this, _, _, cx| {
1747                        this.open_current_settings_file(cx);
1748                    })),
1749            )
1750    }
1751
1752    pub(crate) fn display_name(&self, file: &SettingsUiFile) -> Option<String> {
1753        match file {
1754            SettingsUiFile::User => Some("User".to_string()),
1755            SettingsUiFile::Project((worktree_id, path)) => self
1756                .worktree_root_dirs
1757                .get(&worktree_id)
1758                .map(|directory_name| {
1759                    let path_style = PathStyle::local();
1760                    if path.is_empty() {
1761                        directory_name.clone()
1762                    } else {
1763                        format!(
1764                            "{}{}{}",
1765                            directory_name,
1766                            path_style.separator(),
1767                            path.display(path_style)
1768                        )
1769                    }
1770                }),
1771            SettingsUiFile::Server(file) => Some(file.to_string()),
1772        }
1773    }
1774
1775    // TODO:
1776    //  Reconsider this after preview launch
1777    // fn file_location_str(&self) -> String {
1778    //     match &self.current_file {
1779    //         SettingsUiFile::User => "settings.json".to_string(),
1780    //         SettingsUiFile::Project((worktree_id, path)) => self
1781    //             .worktree_root_dirs
1782    //             .get(&worktree_id)
1783    //             .map(|directory_name| {
1784    //                 let path_style = PathStyle::local();
1785    //                 let file_path = path.join(paths::local_settings_file_relative_path());
1786    //                 format!(
1787    //                     "{}{}{}",
1788    //                     directory_name,
1789    //                     path_style.separator(),
1790    //                     file_path.display(path_style)
1791    //                 )
1792    //             })
1793    //             .expect("Current file should always be present in root dir map"),
1794    //         SettingsUiFile::Server(file) => file.to_string(),
1795    //     }
1796    // }
1797
1798    fn render_search(&self, _window: &mut Window, cx: &mut App) -> Div {
1799        h_flex()
1800            .py_1()
1801            .px_1p5()
1802            .mb_3()
1803            .gap_1p5()
1804            .rounded_sm()
1805            .bg(cx.theme().colors().editor_background)
1806            .border_1()
1807            .border_color(cx.theme().colors().border)
1808            .child(Icon::new(IconName::MagnifyingGlass).color(Color::Muted))
1809            .child(self.search_bar.clone())
1810    }
1811
1812    fn render_nav(
1813        &self,
1814        window: &mut Window,
1815        cx: &mut Context<SettingsWindow>,
1816    ) -> impl IntoElement {
1817        let visible_count = self.visible_navbar_entries().count();
1818
1819        let focus_keybind_label = if self
1820            .navbar_focus_handle
1821            .read(cx)
1822            .handle
1823            .contains_focused(window, cx)
1824        {
1825            "Focus Content"
1826        } else {
1827            "Focus Navbar"
1828        };
1829
1830        v_flex()
1831            .w_56()
1832            .p_2p5()
1833            .when(cfg!(target_os = "macos"), |c| c.pt_10())
1834            .h_full()
1835            .flex_none()
1836            .border_r_1()
1837            .key_context("NavigationMenu")
1838            .on_action(cx.listener(|this, _: &CollapseNavEntry, window, cx| {
1839                let Some(focused_entry) = this.focused_nav_entry(window, cx) else {
1840                    return;
1841                };
1842                let focused_entry_parent = this.root_entry_containing(focused_entry);
1843                if this.navbar_entries[focused_entry_parent].expanded {
1844                    this.toggle_navbar_entry(focused_entry_parent);
1845                    window.focus(&this.navbar_entries[focused_entry_parent].focus_handle);
1846                }
1847                cx.notify();
1848            }))
1849            .on_action(cx.listener(|this, _: &ExpandNavEntry, window, cx| {
1850                let Some(focused_entry) = this.focused_nav_entry(window, cx) else {
1851                    return;
1852                };
1853                if !this.navbar_entries[focused_entry].is_root {
1854                    return;
1855                }
1856                if !this.navbar_entries[focused_entry].expanded {
1857                    this.toggle_navbar_entry(focused_entry);
1858                }
1859                cx.notify();
1860            }))
1861            .on_action(
1862                cx.listener(|this, _: &FocusPreviousRootNavEntry, window, cx| {
1863                    let entry_index = this
1864                        .focused_nav_entry(window, cx)
1865                        .unwrap_or(this.navbar_entry);
1866                    let mut root_index = None;
1867                    for (index, entry) in this.visible_navbar_entries() {
1868                        if index >= entry_index {
1869                            break;
1870                        }
1871                        if entry.is_root {
1872                            root_index = Some(index);
1873                        }
1874                    }
1875                    let Some(previous_root_index) = root_index else {
1876                        return;
1877                    };
1878                    this.focus_and_scroll_to_nav_entry(previous_root_index, window, cx);
1879                }),
1880            )
1881            .on_action(cx.listener(|this, _: &FocusNextRootNavEntry, window, cx| {
1882                let entry_index = this
1883                    .focused_nav_entry(window, cx)
1884                    .unwrap_or(this.navbar_entry);
1885                let mut root_index = None;
1886                for (index, entry) in this.visible_navbar_entries() {
1887                    if index <= entry_index {
1888                        continue;
1889                    }
1890                    if entry.is_root {
1891                        root_index = Some(index);
1892                        break;
1893                    }
1894                }
1895                let Some(next_root_index) = root_index else {
1896                    return;
1897                };
1898                this.focus_and_scroll_to_nav_entry(next_root_index, window, cx);
1899            }))
1900            .on_action(cx.listener(|this, _: &FocusFirstNavEntry, window, cx| {
1901                if let Some((first_entry_index, _)) = this.visible_navbar_entries().next() {
1902                    this.focus_and_scroll_to_nav_entry(first_entry_index, window, cx);
1903                }
1904            }))
1905            .on_action(cx.listener(|this, _: &FocusLastNavEntry, window, cx| {
1906                if let Some((last_entry_index, _)) = this.visible_navbar_entries().last() {
1907                    this.focus_and_scroll_to_nav_entry(last_entry_index, window, cx);
1908                }
1909            }))
1910            .on_action(cx.listener(|this, _: &FocusNextNavEntry, window, cx| {
1911                let entry_index = this
1912                    .focused_nav_entry(window, cx)
1913                    .unwrap_or(this.navbar_entry);
1914                let mut next_index = None;
1915                for (index, _) in this.visible_navbar_entries() {
1916                    if index > entry_index {
1917                        next_index = Some(index);
1918                        break;
1919                    }
1920                }
1921                let Some(next_entry_index) = next_index else {
1922                    return;
1923                };
1924                this.open_and_scroll_to_navbar_entry(next_entry_index, window, cx, false);
1925            }))
1926            .on_action(cx.listener(|this, _: &FocusPreviousNavEntry, window, cx| {
1927                let entry_index = this
1928                    .focused_nav_entry(window, cx)
1929                    .unwrap_or(this.navbar_entry);
1930                let mut prev_index = None;
1931                for (index, _) in this.visible_navbar_entries() {
1932                    if index >= entry_index {
1933                        break;
1934                    }
1935                    prev_index = Some(index);
1936                }
1937                let Some(prev_entry_index) = prev_index else {
1938                    return;
1939                };
1940                this.open_and_scroll_to_navbar_entry(prev_entry_index, window, cx, false);
1941            }))
1942            .border_color(cx.theme().colors().border)
1943            .bg(cx.theme().colors().panel_background)
1944            .child(self.render_search(window, cx))
1945            .child(
1946                v_flex()
1947                    .flex_1()
1948                    .overflow_hidden()
1949                    .track_focus(&self.navbar_focus_handle.focus_handle(cx))
1950                    .tab_group()
1951                    .tab_index(NAVBAR_GROUP_TAB_INDEX)
1952                    .child(
1953                        uniform_list(
1954                            "settings-ui-nav-bar",
1955                            visible_count + 1,
1956                            cx.processor(move |this, range: Range<usize>, _, cx| {
1957                                this.visible_navbar_entries()
1958                                    .skip(range.start.saturating_sub(1))
1959                                    .take(range.len())
1960                                    .map(|(ix, entry)| {
1961                                        TreeViewItem::new(
1962                                            ("settings-ui-navbar-entry", ix),
1963                                            entry.title,
1964                                        )
1965                                        .track_focus(&entry.focus_handle)
1966                                        .root_item(entry.is_root)
1967                                        .toggle_state(this.is_navbar_entry_selected(ix))
1968                                        .when(entry.is_root, |item| {
1969                                            item.expanded(entry.expanded || this.has_query)
1970                                                .on_toggle(cx.listener(
1971                                                    move |this, _, window, cx| {
1972                                                        this.toggle_navbar_entry(ix);
1973                                                        window.focus(
1974                                                            &this.navbar_entries[ix].focus_handle,
1975                                                        );
1976                                                        cx.notify();
1977                                                    },
1978                                                ))
1979                                        })
1980                                        .on_click(
1981                                            cx.listener(move |this, _, window, cx| {
1982                                                this.open_and_scroll_to_navbar_entry(
1983                                                    ix, window, cx, true,
1984                                                );
1985                                            }),
1986                                        )
1987                                    })
1988                                    .collect()
1989                            }),
1990                        )
1991                        .size_full()
1992                        .track_scroll(self.navbar_scroll_handle.clone()),
1993                    )
1994                    .vertical_scrollbar_for(self.navbar_scroll_handle.clone(), window, cx),
1995            )
1996            .child(
1997                h_flex()
1998                    .w_full()
1999                    .h_8()
2000                    .p_2()
2001                    .pb_0p5()
2002                    .flex_shrink_0()
2003                    .border_t_1()
2004                    .border_color(cx.theme().colors().border_variant)
2005                    .children(
2006                        KeyBinding::for_action(&ToggleFocusNav, window, cx).map(|this| {
2007                            KeybindingHint::new(
2008                                this,
2009                                cx.theme().colors().surface_background.opacity(0.5),
2010                            )
2011                            .suffix(focus_keybind_label)
2012                        }),
2013                    ),
2014            )
2015    }
2016
2017    fn open_and_scroll_to_navbar_entry(
2018        &mut self,
2019        navbar_entry_index: usize,
2020        window: &mut Window,
2021        cx: &mut Context<Self>,
2022        focus_content: bool,
2023    ) {
2024        self.open_navbar_entry_page(navbar_entry_index);
2025        cx.notify();
2026
2027        if self.navbar_entries[navbar_entry_index].is_root
2028            || !self.is_nav_entry_visible(navbar_entry_index)
2029        {
2030            self.sub_page_scroll_handle
2031                .set_offset(point(px(0.), px(0.)));
2032            if focus_content {
2033                let Some(first_item_index) =
2034                    self.visible_page_items().next().map(|(index, _)| index)
2035                else {
2036                    return;
2037                };
2038                self.focus_content_element(first_item_index, window, cx);
2039            } else {
2040                window.focus(&self.navbar_entries[navbar_entry_index].focus_handle);
2041            }
2042        } else {
2043            let entry_item_index = self.navbar_entries[navbar_entry_index]
2044                .item_index
2045                .expect("Non-root items should have an item index");
2046            let Some(selected_item_index) = self
2047                .visible_page_items()
2048                .position(|(index, _)| index == entry_item_index)
2049            else {
2050                return;
2051            };
2052
2053            self.list_state.scroll_to(gpui::ListOffset {
2054                item_ix: selected_item_index + 1,
2055                offset_in_item: px(0.),
2056            });
2057            if focus_content {
2058                self.focus_content_element(entry_item_index, window, cx);
2059            } else {
2060                window.focus(&self.navbar_entries[navbar_entry_index].focus_handle);
2061            }
2062        }
2063
2064        // Page scroll handle updates the active item index
2065        // in it's next paint call after using scroll_handle.scroll_to_top_of_item
2066        // The call after that updates the offset of the scroll handle. So to
2067        // ensure the scroll handle doesn't lag behind we need to render three frames
2068        // back to back.
2069        cx.on_next_frame(window, |_, window, cx| {
2070            cx.on_next_frame(window, |_, _, cx| {
2071                cx.notify();
2072            });
2073            cx.notify();
2074        });
2075        cx.notify();
2076    }
2077
2078    fn is_nav_entry_visible(&self, nav_entry_index: usize) -> bool {
2079        self.visible_navbar_entries()
2080            .any(|(index, _)| index == nav_entry_index)
2081    }
2082
2083    fn focus_and_scroll_to_nav_entry(
2084        &self,
2085        nav_entry_index: usize,
2086        window: &mut Window,
2087        cx: &mut Context<Self>,
2088    ) {
2089        let Some(position) = self
2090            .visible_navbar_entries()
2091            .position(|(index, _)| index == nav_entry_index)
2092        else {
2093            return;
2094        };
2095        self.navbar_scroll_handle
2096            .scroll_to_item(position, gpui::ScrollStrategy::Top);
2097        window.focus(&self.navbar_entries[nav_entry_index].focus_handle);
2098        cx.notify();
2099    }
2100
2101    fn visible_page_items(&self) -> impl Iterator<Item = (usize, &SettingsPageItem)> {
2102        let page_idx = self.current_page_index();
2103
2104        self.current_page()
2105            .items
2106            .iter()
2107            .enumerate()
2108            .filter_map(move |(item_index, item)| {
2109                self.filter_table[page_idx][item_index].then_some((item_index, item))
2110            })
2111    }
2112
2113    fn render_sub_page_breadcrumbs(&self) -> impl IntoElement {
2114        let mut items = vec![];
2115        items.push(self.current_page().title.into());
2116        items.extend(
2117            sub_page_stack()
2118                .iter()
2119                .flat_map(|page| [page.section_header.into(), page.link.title.clone()]),
2120        );
2121
2122        let last = items.pop().unwrap();
2123        h_flex()
2124            .gap_1()
2125            .children(
2126                items
2127                    .into_iter()
2128                    .flat_map(|item| [item, "/".into()])
2129                    .map(|item| Label::new(item).color(Color::Muted)),
2130            )
2131            .child(Label::new(last))
2132    }
2133
2134    fn render_page_items(
2135        &mut self,
2136        page_index: Option<usize>,
2137        _window: &mut Window,
2138        cx: &mut Context<SettingsWindow>,
2139    ) -> impl IntoElement {
2140        let mut page_content = v_flex().id("settings-ui-page").size_full();
2141
2142        let has_active_search = !self.search_bar.read(cx).is_empty(cx);
2143        let has_no_results = self.visible_page_items().next().is_none() && has_active_search;
2144
2145        if has_no_results {
2146            let search_query = self.search_bar.read(cx).text(cx);
2147            page_content = page_content.child(
2148                v_flex()
2149                    .size_full()
2150                    .items_center()
2151                    .justify_center()
2152                    .gap_1()
2153                    .child(div().child("No Results"))
2154                    .child(
2155                        div()
2156                            .text_sm()
2157                            .text_color(cx.theme().colors().text_muted)
2158                            .child(format!("No settings match \"{}\"", search_query)),
2159                    ),
2160            )
2161        } else {
2162            let last_non_header_index = self
2163                .visible_page_items()
2164                .filter_map(|(index, item)| {
2165                    (!matches!(item, SettingsPageItem::SectionHeader(_))).then_some(index)
2166                })
2167                .last();
2168
2169            let root_nav_label = self
2170                .navbar_entries
2171                .iter()
2172                .find(|entry| entry.is_root && entry.page_index == self.current_page_index())
2173                .map(|entry| entry.title);
2174
2175            let list_content = list(
2176                self.list_state.clone(),
2177                cx.processor(move |this, index, window, cx| {
2178                    if index == 0 {
2179                        return div()
2180                            .when(sub_page_stack().is_empty(), |this| {
2181                                this.when_some(root_nav_label, |this, title| {
2182                                    this.child(
2183                                        Label::new(title).size(LabelSize::Large).mt_2().mb_3(),
2184                                    )
2185                                })
2186                            })
2187                            .into_any_element();
2188                    }
2189                    let mut visible_items = this.visible_page_items();
2190                    let Some((actual_item_index, item)) = visible_items.nth(index - 1) else {
2191                        return gpui::Empty.into_any_element();
2192                    };
2193
2194                    let no_bottom_border = visible_items
2195                        .next()
2196                        .map(|(_, item)| matches!(item, SettingsPageItem::SectionHeader(_)))
2197                        .unwrap_or(false);
2198                    let is_last = Some(actual_item_index) == last_non_header_index;
2199
2200                    v_flex()
2201                        .id(("settings-page-item", actual_item_index))
2202                        .w_full()
2203                        .min_w_0()
2204                        .when_some(page_index, |element, page_index| {
2205                            element.track_focus(
2206                                &this.content_handles[page_index][actual_item_index]
2207                                    .focus_handle(cx),
2208                            )
2209                        })
2210                        .child(item.render(
2211                            this,
2212                            actual_item_index,
2213                            no_bottom_border || is_last,
2214                            window,
2215                            cx,
2216                        ))
2217                        .into_any_element()
2218                }),
2219            );
2220
2221            page_content = page_content.child(list_content.size_full())
2222        }
2223        page_content
2224    }
2225
2226    fn render_sub_page_items<'a, Items: Iterator<Item = (usize, &'a SettingsPageItem)>>(
2227        &self,
2228        items: Items,
2229        page_index: Option<usize>,
2230        window: &mut Window,
2231        cx: &mut Context<SettingsWindow>,
2232    ) -> impl IntoElement {
2233        let mut page_content = v_flex()
2234            .id("settings-ui-page")
2235            .size_full()
2236            .overflow_y_scroll()
2237            .track_scroll(&self.sub_page_scroll_handle);
2238
2239        let items: Vec<_> = items.collect();
2240        let items_len = items.len();
2241        let mut section_header = None;
2242
2243        let has_active_search = !self.search_bar.read(cx).is_empty(cx);
2244        let has_no_results = items_len == 0 && has_active_search;
2245
2246        if has_no_results {
2247            let search_query = self.search_bar.read(cx).text(cx);
2248            page_content = page_content.child(
2249                v_flex()
2250                    .size_full()
2251                    .items_center()
2252                    .justify_center()
2253                    .gap_1()
2254                    .child(div().child("No Results"))
2255                    .child(
2256                        div()
2257                            .text_sm()
2258                            .text_color(cx.theme().colors().text_muted)
2259                            .child(format!("No settings match \"{}\"", search_query)),
2260                    ),
2261            )
2262        } else {
2263            let last_non_header_index = items
2264                .iter()
2265                .enumerate()
2266                .rev()
2267                .find(|(_, (_, item))| !matches!(item, SettingsPageItem::SectionHeader(_)))
2268                .map(|(index, _)| index);
2269
2270            let root_nav_label = self
2271                .navbar_entries
2272                .iter()
2273                .find(|entry| entry.is_root && entry.page_index == self.current_page_index())
2274                .map(|entry| entry.title);
2275
2276            page_content = page_content
2277                .when(sub_page_stack().is_empty(), |this| {
2278                    this.when_some(root_nav_label, |this, title| {
2279                        this.child(Label::new(title).size(LabelSize::Large).mt_2().mb_3())
2280                    })
2281                })
2282                .children(items.clone().into_iter().enumerate().map(
2283                    |(index, (actual_item_index, item))| {
2284                        let no_bottom_border = items
2285                            .get(index + 1)
2286                            .map(|(_, next_item)| {
2287                                matches!(next_item, SettingsPageItem::SectionHeader(_))
2288                            })
2289                            .unwrap_or(false);
2290                        let is_last = Some(index) == last_non_header_index;
2291
2292                        if let SettingsPageItem::SectionHeader(header) = item {
2293                            section_header = Some(*header);
2294                        }
2295                        v_flex()
2296                            .w_full()
2297                            .min_w_0()
2298                            .id(("settings-page-item", actual_item_index))
2299                            .when_some(page_index, |element, page_index| {
2300                                element.track_focus(
2301                                    &self.content_handles[page_index][actual_item_index]
2302                                        .focus_handle(cx),
2303                                )
2304                            })
2305                            .child(item.render(
2306                                self,
2307                                actual_item_index,
2308                                no_bottom_border || is_last,
2309                                window,
2310                                cx,
2311                            ))
2312                    },
2313                ))
2314        }
2315        page_content
2316    }
2317
2318    fn render_page(
2319        &mut self,
2320        window: &mut Window,
2321        cx: &mut Context<SettingsWindow>,
2322    ) -> impl IntoElement {
2323        let page_header;
2324        let page_content;
2325
2326        if sub_page_stack().is_empty() {
2327            page_header = self.render_files_header(window, cx).into_any_element();
2328
2329            page_content = self
2330                .render_page_items(Some(self.current_page_index()), window, cx)
2331                .into_any_element();
2332        } else {
2333            page_header = h_flex()
2334                .ml_neg_1p5()
2335                .pb_4()
2336                .gap_1()
2337                .child(
2338                    IconButton::new("back-btn", IconName::ArrowLeft)
2339                        .icon_size(IconSize::Small)
2340                        .shape(IconButtonShape::Square)
2341                        .on_click(cx.listener(|this, _, _, cx| {
2342                            this.pop_sub_page(cx);
2343                        })),
2344                )
2345                .child(self.render_sub_page_breadcrumbs())
2346                .into_any_element();
2347
2348            let active_page_render_fn = sub_page_stack().last().unwrap().link.render.clone();
2349            page_content = (active_page_render_fn)(self, window, cx);
2350        }
2351
2352        return v_flex()
2353            .id("Settings-ui-page")
2354            .flex_1()
2355            .pt_6()
2356            .pb_8()
2357            .px_8()
2358            .bg(cx.theme().colors().editor_background)
2359            .child(page_header)
2360            .when(sub_page_stack().is_empty(), |this| {
2361                this.vertical_scrollbar_for(self.list_state.clone(), window, cx)
2362            })
2363            .when(!sub_page_stack().is_empty(), |this| {
2364                this.vertical_scrollbar_for(self.sub_page_scroll_handle.clone(), window, cx)
2365            })
2366            .track_focus(&self.content_focus_handle.focus_handle(cx))
2367            .child(
2368                div()
2369                    .size_full()
2370                    .tab_group()
2371                    .tab_index(CONTENT_GROUP_TAB_INDEX)
2372                    .child(page_content),
2373            );
2374    }
2375
2376    fn open_current_settings_file(&mut self, cx: &mut Context<Self>) {
2377        match &self.current_file {
2378            SettingsUiFile::User => {
2379                let Some(original_window) = self.original_window else {
2380                    return;
2381                };
2382                original_window
2383                    .update(cx, |workspace, window, cx| {
2384                        workspace
2385                            .with_local_workspace(window, cx, |workspace, window, cx| {
2386                                let create_task = workspace.project().update(cx, |project, cx| {
2387                                    project.find_or_create_worktree(
2388                                        paths::config_dir().as_path(),
2389                                        false,
2390                                        cx,
2391                                    )
2392                                });
2393                                let open_task = workspace.open_paths(
2394                                    vec![paths::settings_file().to_path_buf()],
2395                                    OpenOptions {
2396                                        visible: Some(OpenVisible::None),
2397                                        ..Default::default()
2398                                    },
2399                                    None,
2400                                    window,
2401                                    cx,
2402                                );
2403
2404                                cx.spawn_in(window, async move |workspace, cx| {
2405                                    create_task.await.ok();
2406                                    open_task.await;
2407
2408                                    workspace.update_in(cx, |_, window, cx| {
2409                                        window.activate_window();
2410                                        cx.notify();
2411                                    })
2412                                })
2413                                .detach();
2414                            })
2415                            .detach();
2416                    })
2417                    .ok();
2418            }
2419            SettingsUiFile::Project((worktree_id, path)) => {
2420                let mut corresponding_workspace: Option<WindowHandle<Workspace>> = None;
2421                let settings_path = path.join(paths::local_settings_file_relative_path());
2422                let Some(app_state) = workspace::AppState::global(cx).upgrade() else {
2423                    return;
2424                };
2425                for workspace in app_state.workspace_store.read(cx).workspaces() {
2426                    let contains_settings_file = workspace
2427                        .read_with(cx, |workspace, cx| {
2428                            workspace.project().read(cx).contains_local_settings_file(
2429                                *worktree_id,
2430                                settings_path.as_ref(),
2431                                cx,
2432                            )
2433                        })
2434                        .ok();
2435                    if Some(true) == contains_settings_file {
2436                        corresponding_workspace = Some(*workspace);
2437
2438                        break;
2439                    }
2440                }
2441
2442                let Some(corresponding_workspace) = corresponding_workspace else {
2443                    log::error!(
2444                        "No corresponding workspace found for settings file {}",
2445                        settings_path.as_std_path().display()
2446                    );
2447
2448                    return;
2449                };
2450
2451                // TODO: move zed::open_local_file() APIs to this crate, and
2452                // re-implement the "initial_contents" behavior
2453                corresponding_workspace
2454                    .update(cx, |workspace, window, cx| {
2455                        let open_task = workspace.open_path(
2456                            (*worktree_id, settings_path.clone()),
2457                            None,
2458                            true,
2459                            window,
2460                            cx,
2461                        );
2462
2463                        cx.spawn_in(window, async move |workspace, cx| {
2464                            if open_task.await.log_err().is_some() {
2465                                workspace
2466                                    .update_in(cx, |_, window, cx| {
2467                                        window.activate_window();
2468                                        cx.notify();
2469                                    })
2470                                    .ok();
2471                            }
2472                        })
2473                        .detach();
2474                    })
2475                    .ok();
2476            }
2477            SettingsUiFile::Server(_) => {
2478                return;
2479            }
2480        };
2481    }
2482
2483    fn current_page_index(&self) -> usize {
2484        self.page_index_from_navbar_index(self.navbar_entry)
2485    }
2486
2487    fn current_page(&self) -> &SettingsPage {
2488        &self.pages[self.current_page_index()]
2489    }
2490
2491    fn page_index_from_navbar_index(&self, index: usize) -> usize {
2492        if self.navbar_entries.is_empty() {
2493            return 0;
2494        }
2495
2496        self.navbar_entries[index].page_index
2497    }
2498
2499    fn is_navbar_entry_selected(&self, ix: usize) -> bool {
2500        ix == self.navbar_entry
2501    }
2502
2503    fn push_sub_page(
2504        &mut self,
2505        sub_page_link: SubPageLink,
2506        section_header: &'static str,
2507        cx: &mut Context<SettingsWindow>,
2508    ) {
2509        sub_page_stack_mut().push(SubPage {
2510            link: sub_page_link,
2511            section_header,
2512        });
2513        cx.notify();
2514    }
2515
2516    fn pop_sub_page(&mut self, cx: &mut Context<SettingsWindow>) {
2517        sub_page_stack_mut().pop();
2518        cx.notify();
2519    }
2520
2521    fn focus_file_at_index(&mut self, index: usize, window: &mut Window) {
2522        if let Some((_, handle)) = self.files.get(index) {
2523            handle.focus(window);
2524        }
2525    }
2526
2527    fn focused_file_index(&self, window: &Window, cx: &Context<Self>) -> usize {
2528        if self.files_focus_handle.contains_focused(window, cx)
2529            && let Some(index) = self
2530                .files
2531                .iter()
2532                .position(|(_, handle)| handle.is_focused(window))
2533        {
2534            return index;
2535        }
2536        if let Some(current_file_index) = self
2537            .files
2538            .iter()
2539            .position(|(file, _)| file == &self.current_file)
2540        {
2541            return current_file_index;
2542        }
2543        0
2544    }
2545
2546    fn focus_content_element(&self, item_index: usize, window: &mut Window, cx: &mut App) {
2547        if !sub_page_stack().is_empty() {
2548            return;
2549        }
2550        let page_index = self.current_page_index();
2551        window.focus(&self.content_handles[page_index][item_index].focus_handle(cx));
2552    }
2553
2554    fn focused_nav_entry(&self, window: &Window, cx: &App) -> Option<usize> {
2555        if !self
2556            .navbar_focus_handle
2557            .focus_handle(cx)
2558            .contains_focused(window, cx)
2559        {
2560            return None;
2561        }
2562        for (index, entry) in self.navbar_entries.iter().enumerate() {
2563            if entry.focus_handle.is_focused(window) {
2564                return Some(index);
2565            }
2566        }
2567        None
2568    }
2569
2570    fn root_entry_containing(&self, nav_entry_index: usize) -> usize {
2571        let mut index = Some(nav_entry_index);
2572        while let Some(prev_index) = index
2573            && !self.navbar_entries[prev_index].is_root
2574        {
2575            index = prev_index.checked_sub(1);
2576        }
2577        return index.expect("No root entry found");
2578    }
2579}
2580
2581impl Render for SettingsWindow {
2582    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2583        let ui_font = theme::setup_ui_font(window, cx);
2584
2585        client_side_decorations(
2586            v_flex()
2587                .text_color(cx.theme().colors().text)
2588                .size_full()
2589                .children(self.title_bar.clone())
2590                .child(
2591                    div()
2592                        .id("settings-window")
2593                        .key_context("SettingsWindow")
2594                        .track_focus(&self.focus_handle)
2595                        .on_action(cx.listener(|this, _: &OpenCurrentFile, _, cx| {
2596                            this.open_current_settings_file(cx);
2597                        }))
2598                        .on_action(|_: &Minimize, window, _cx| {
2599                            window.minimize_window();
2600                        })
2601                        .on_action(cx.listener(|this, _: &search::FocusSearch, window, cx| {
2602                            this.search_bar.focus_handle(cx).focus(window);
2603                        }))
2604                        .on_action(cx.listener(|this, _: &ToggleFocusNav, window, cx| {
2605                            if this
2606                                .navbar_focus_handle
2607                                .focus_handle(cx)
2608                                .contains_focused(window, cx)
2609                            {
2610                                this.open_and_scroll_to_navbar_entry(
2611                                    this.navbar_entry,
2612                                    window,
2613                                    cx,
2614                                    true,
2615                                );
2616                            } else {
2617                                this.focus_and_scroll_to_nav_entry(this.navbar_entry, window, cx);
2618                            }
2619                        }))
2620                        .on_action(cx.listener(
2621                            |this, FocusFile(file_index): &FocusFile, window, _| {
2622                                this.focus_file_at_index(*file_index as usize, window);
2623                            },
2624                        ))
2625                        .on_action(cx.listener(|this, _: &FocusNextFile, window, cx| {
2626                            let next_index = usize::min(
2627                                this.focused_file_index(window, cx) + 1,
2628                                this.files.len().saturating_sub(1),
2629                            );
2630                            this.focus_file_at_index(next_index, window);
2631                        }))
2632                        .on_action(cx.listener(|this, _: &FocusPreviousFile, window, cx| {
2633                            let prev_index = this.focused_file_index(window, cx).saturating_sub(1);
2634                            this.focus_file_at_index(prev_index, window);
2635                        }))
2636                        .on_action(|_: &menu::SelectNext, window, _| {
2637                            window.focus_next();
2638                        })
2639                        .on_action(|_: &menu::SelectPrevious, window, _| {
2640                            window.focus_prev();
2641                        })
2642                        .flex()
2643                        .flex_row()
2644                        .flex_1()
2645                        .min_h_0()
2646                        .font(ui_font)
2647                        .bg(cx.theme().colors().background)
2648                        .text_color(cx.theme().colors().text)
2649                        .child(self.render_nav(window, cx))
2650                        .child(self.render_page(window, cx)),
2651                ),
2652            window,
2653            cx,
2654        )
2655    }
2656}
2657
2658fn all_projects(cx: &App) -> impl Iterator<Item = Entity<project::Project>> {
2659    workspace::AppState::global(cx)
2660        .upgrade()
2661        .map(|app_state| {
2662            app_state
2663                .workspace_store
2664                .read(cx)
2665                .workspaces()
2666                .iter()
2667                .filter_map(|workspace| Some(workspace.read(cx).ok()?.project().clone()))
2668        })
2669        .into_iter()
2670        .flatten()
2671}
2672
2673fn update_settings_file(
2674    file: SettingsUiFile,
2675    cx: &mut App,
2676    update: impl 'static + Send + FnOnce(&mut SettingsContent, &App),
2677) -> Result<()> {
2678    match file {
2679        SettingsUiFile::Project((worktree_id, rel_path)) => {
2680            let rel_path = rel_path.join(paths::local_settings_file_relative_path());
2681            let project = all_projects(cx).find(|project| {
2682                project.read_with(cx, |project, cx| {
2683                    project.contains_local_settings_file(worktree_id, &rel_path, cx)
2684                })
2685            });
2686            let Some(project) = project else {
2687                anyhow::bail!(
2688                    "Could not find worktree containing settings file: {}",
2689                    &rel_path.display(PathStyle::local())
2690                );
2691            };
2692            project.update(cx, |project, cx| {
2693                project.update_local_settings_file(worktree_id, rel_path, cx, update);
2694            });
2695            return Ok(());
2696        }
2697        SettingsUiFile::User => {
2698            // todo(settings_ui) error?
2699            SettingsStore::global(cx).update_settings_file(<dyn fs::Fs>::global(cx), update);
2700            Ok(())
2701        }
2702        SettingsUiFile::Server(_) => unimplemented!(),
2703    }
2704}
2705
2706fn render_text_field<T: From<String> + Into<String> + AsRef<str> + Clone>(
2707    field: SettingField<T>,
2708    file: SettingsUiFile,
2709    metadata: Option<&SettingsFieldMetadata>,
2710    _window: &mut Window,
2711    cx: &mut App,
2712) -> AnyElement {
2713    let (_, initial_text) =
2714        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2715    let initial_text = initial_text.filter(|s| !s.as_ref().is_empty());
2716
2717    SettingsEditor::new()
2718        .tab_index(0)
2719        .when_some(initial_text, |editor, text| {
2720            editor.with_initial_text(text.as_ref().to_string())
2721        })
2722        .when_some(
2723            metadata.and_then(|metadata| metadata.placeholder),
2724            |editor, placeholder| editor.with_placeholder(placeholder),
2725        )
2726        .on_confirm({
2727            move |new_text, cx| {
2728                update_settings_file(file.clone(), cx, move |settings, _cx| {
2729                    (field.write)(settings, new_text.map(Into::into));
2730                })
2731                .log_err(); // todo(settings_ui) don't log err
2732            }
2733        })
2734        .into_any_element()
2735}
2736
2737fn render_toggle_button<B: Into<bool> + From<bool> + Copy>(
2738    field: SettingField<B>,
2739    file: SettingsUiFile,
2740    _metadata: Option<&SettingsFieldMetadata>,
2741    _window: &mut Window,
2742    cx: &mut App,
2743) -> AnyElement {
2744    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2745
2746    let toggle_state = if value.copied().map_or(false, Into::into) {
2747        ToggleState::Selected
2748    } else {
2749        ToggleState::Unselected
2750    };
2751
2752    Switch::new("toggle_button", toggle_state)
2753        .color(ui::SwitchColor::Accent)
2754        .on_click({
2755            move |state, _window, cx| {
2756                let state = *state == ui::ToggleState::Selected;
2757                update_settings_file(file.clone(), cx, move |settings, _cx| {
2758                    (field.write)(settings, Some(state.into()));
2759                })
2760                .log_err(); // todo(settings_ui) don't log err
2761            }
2762        })
2763        .tab_index(0_isize)
2764        .color(SwitchColor::Accent)
2765        .into_any_element()
2766}
2767
2768fn render_font_picker(
2769    field: SettingField<settings::FontFamilyName>,
2770    file: SettingsUiFile,
2771    _metadata: Option<&SettingsFieldMetadata>,
2772    window: &mut Window,
2773    cx: &mut App,
2774) -> AnyElement {
2775    let current_value = SettingsStore::global(cx)
2776        .get_value_from_file(file.to_settings(), field.pick)
2777        .1
2778        .cloned()
2779        .unwrap_or_else(|| SharedString::default().into());
2780
2781    let font_picker = cx.new(|cx| {
2782        ui_input::font_picker(
2783            current_value.clone().into(),
2784            move |font_name, cx| {
2785                update_settings_file(file.clone(), cx, move |settings, _cx| {
2786                    (field.write)(settings, Some(font_name.into()));
2787                })
2788                .log_err(); // todo(settings_ui) don't log err
2789            },
2790            window,
2791            cx,
2792        )
2793    });
2794
2795    PopoverMenu::new("font-picker")
2796        .menu(move |_window, _cx| Some(font_picker.clone()))
2797        .trigger(
2798            Button::new("font-family-button", current_value)
2799                .tab_index(0_isize)
2800                .style(ButtonStyle::Outlined)
2801                .size(ButtonSize::Medium)
2802                .icon(IconName::ChevronUpDown)
2803                .icon_color(Color::Muted)
2804                .icon_size(IconSize::Small)
2805                .icon_position(IconPosition::End),
2806        )
2807        .anchor(gpui::Corner::TopLeft)
2808        .offset(gpui::Point {
2809            x: px(0.0),
2810            y: px(2.0),
2811        })
2812        .with_handle(ui::PopoverMenuHandle::default())
2813        .into_any_element()
2814}
2815
2816fn render_number_field<T: NumberFieldType + Send + Sync>(
2817    field: SettingField<T>,
2818    file: SettingsUiFile,
2819    _metadata: Option<&SettingsFieldMetadata>,
2820    window: &mut Window,
2821    cx: &mut App,
2822) -> AnyElement {
2823    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2824    let value = value.copied().unwrap_or_else(T::min_value);
2825    NumberField::new("numeric_stepper", value, window, cx)
2826        .on_change({
2827            move |value, _window, cx| {
2828                let value = *value;
2829                update_settings_file(file.clone(), cx, move |settings, _cx| {
2830                    (field.write)(settings, Some(value));
2831                })
2832                .log_err(); // todo(settings_ui) don't log err
2833            }
2834        })
2835        .into_any_element()
2836}
2837
2838fn render_dropdown<T>(
2839    field: SettingField<T>,
2840    file: SettingsUiFile,
2841    metadata: Option<&SettingsFieldMetadata>,
2842    window: &mut Window,
2843    cx: &mut App,
2844) -> AnyElement
2845where
2846    T: strum::VariantArray + strum::VariantNames + Copy + PartialEq + Send + Sync + 'static,
2847{
2848    let variants = || -> &'static [T] { <T as strum::VariantArray>::VARIANTS };
2849    let labels = || -> &'static [&'static str] { <T as strum::VariantNames>::VARIANTS };
2850    let should_do_titlecase = metadata
2851        .and_then(|metadata| metadata.should_do_titlecase)
2852        .unwrap_or(true);
2853
2854    let (_, current_value) =
2855        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2856    let current_value = current_value.copied().unwrap_or(variants()[0]);
2857
2858    let current_value_label =
2859        labels()[variants().iter().position(|v| *v == current_value).unwrap()];
2860
2861    DropdownMenu::new(
2862        "dropdown",
2863        if should_do_titlecase {
2864            current_value_label.to_title_case()
2865        } else {
2866            current_value_label.to_string()
2867        },
2868        ContextMenu::build(window, cx, move |mut menu, _, _| {
2869            for (&value, &label) in std::iter::zip(variants(), labels()) {
2870                let file = file.clone();
2871                menu = menu.toggleable_entry(
2872                    if should_do_titlecase {
2873                        label.to_title_case()
2874                    } else {
2875                        label.to_string()
2876                    },
2877                    value == current_value,
2878                    IconPosition::End,
2879                    None,
2880                    move |_, cx| {
2881                        if value == current_value {
2882                            return;
2883                        }
2884                        update_settings_file(file.clone(), cx, move |settings, _cx| {
2885                            (field.write)(settings, Some(value));
2886                        })
2887                        .log_err(); // todo(settings_ui) don't log err
2888                    },
2889                );
2890            }
2891            menu
2892        }),
2893    )
2894    .trigger_size(ButtonSize::Medium)
2895    .style(DropdownStyle::Outlined)
2896    .offset(gpui::Point {
2897        x: px(0.0),
2898        y: px(2.0),
2899    })
2900    .tab_index(0)
2901    .into_any_element()
2902}
2903
2904fn render_theme_picker(
2905    field: SettingField<settings::ThemeName>,
2906    file: SettingsUiFile,
2907    _metadata: Option<&SettingsFieldMetadata>,
2908    window: &mut Window,
2909    cx: &mut App,
2910) -> AnyElement {
2911    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2912    let current_value = value
2913        .cloned()
2914        .map(|theme_name| theme_name.0.into())
2915        .unwrap_or_else(|| cx.theme().name.clone());
2916
2917    DropdownMenu::new(
2918        "font-picker",
2919        current_value.clone(),
2920        ContextMenu::build(window, cx, move |mut menu, _, cx| {
2921            let all_theme_names = theme::ThemeRegistry::global(cx).list_names();
2922            for theme_name in all_theme_names {
2923                let file = file.clone();
2924                let selected = theme_name.as_ref() == current_value.as_ref();
2925                menu = menu.toggleable_entry(
2926                    theme_name.clone(),
2927                    selected,
2928                    IconPosition::End,
2929                    None,
2930                    move |_, cx| {
2931                        if selected {
2932                            return;
2933                        }
2934                        let theme_name = theme_name.clone();
2935                        update_settings_file(file.clone(), cx, move |settings, _cx| {
2936                            (field.write)(settings, Some(settings::ThemeName(theme_name.into())));
2937                        })
2938                        .log_err(); // todo(settings_ui) don't log err
2939                    },
2940                );
2941            }
2942            menu
2943        }),
2944    )
2945    .trigger_size(ButtonSize::Medium)
2946    .style(DropdownStyle::Outlined)
2947    .offset(gpui::Point {
2948        x: px(0.0),
2949        y: px(2.0),
2950    })
2951    .tab_index(0)
2952    .into_any_element()
2953}
2954
2955fn render_icon_theme_picker(
2956    field: SettingField<settings::IconThemeName>,
2957    file: SettingsUiFile,
2958    _metadata: Option<&SettingsFieldMetadata>,
2959    window: &mut Window,
2960    cx: &mut App,
2961) -> AnyElement {
2962    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2963    let current_value = value
2964        .cloned()
2965        .map(|icon_theme_name| icon_theme_name.0.into())
2966        .unwrap_or_else(|| theme::default_icon_theme().name.clone());
2967
2968    DropdownMenu::new(
2969        "font-picker",
2970        current_value.clone(),
2971        ContextMenu::build(window, cx, move |mut menu, _, cx| {
2972            let all_theme_names = theme::ThemeRegistry::global(cx)
2973                .list_icon_themes()
2974                .into_iter()
2975                .map(|theme| theme.name);
2976            for theme_name in all_theme_names {
2977                let file = file.clone();
2978                let selected = theme_name.as_ref() == current_value.as_ref();
2979                menu = menu.toggleable_entry(
2980                    theme_name.clone(),
2981                    selected,
2982                    IconPosition::End,
2983                    None,
2984                    move |_, cx| {
2985                        if selected {
2986                            return;
2987                        }
2988                        let theme_name = theme_name.clone();
2989                        update_settings_file(file.clone(), cx, move |settings, _cx| {
2990                            (field.write)(
2991                                settings,
2992                                Some(settings::IconThemeName(theme_name.into())),
2993                            );
2994                        })
2995                        .log_err(); // todo(settings_ui) don't log err
2996                    },
2997                );
2998            }
2999            menu
3000        }),
3001    )
3002    .trigger_size(ButtonSize::Medium)
3003    .style(DropdownStyle::Outlined)
3004    .offset(gpui::Point {
3005        x: px(0.0),
3006        y: px(2.0),
3007    })
3008    .tab_index(0)
3009    .into_any_element()
3010}
3011
3012#[cfg(test)]
3013mod test {
3014
3015    use super::*;
3016
3017    impl SettingsWindow {
3018        fn navbar_entry(&self) -> usize {
3019            self.navbar_entry
3020        }
3021    }
3022
3023    impl PartialEq for NavBarEntry {
3024        fn eq(&self, other: &Self) -> bool {
3025            self.title == other.title
3026                && self.is_root == other.is_root
3027                && self.expanded == other.expanded
3028                && self.page_index == other.page_index
3029                && self.item_index == other.item_index
3030            // ignoring focus_handle
3031        }
3032    }
3033
3034    fn register_settings(cx: &mut App) {
3035        settings::init(cx);
3036        theme::init(theme::LoadThemes::JustBase, cx);
3037        workspace::init_settings(cx);
3038        project::Project::init_settings(cx);
3039        language::init(cx);
3040        editor::init(cx);
3041        menu::init();
3042    }
3043
3044    fn parse(input: &'static str, window: &mut Window, cx: &mut App) -> SettingsWindow {
3045        let mut pages: Vec<SettingsPage> = Vec::new();
3046        let mut expanded_pages = Vec::new();
3047        let mut selected_idx = None;
3048        let mut index = 0;
3049        let mut in_expanded_section = false;
3050
3051        for mut line in input
3052            .lines()
3053            .map(|line| line.trim())
3054            .filter(|line| !line.is_empty())
3055        {
3056            if let Some(pre) = line.strip_suffix('*') {
3057                assert!(selected_idx.is_none(), "Only one selected entry allowed");
3058                selected_idx = Some(index);
3059                line = pre;
3060            }
3061            let (kind, title) = line.split_once(" ").unwrap();
3062            assert_eq!(kind.len(), 1);
3063            let kind = kind.chars().next().unwrap();
3064            if kind == 'v' {
3065                let page_idx = pages.len();
3066                expanded_pages.push(page_idx);
3067                pages.push(SettingsPage {
3068                    title,
3069                    items: vec![],
3070                });
3071                index += 1;
3072                in_expanded_section = true;
3073            } else if kind == '>' {
3074                pages.push(SettingsPage {
3075                    title,
3076                    items: vec![],
3077                });
3078                index += 1;
3079                in_expanded_section = false;
3080            } else if kind == '-' {
3081                pages
3082                    .last_mut()
3083                    .unwrap()
3084                    .items
3085                    .push(SettingsPageItem::SectionHeader(title));
3086                if selected_idx == Some(index) && !in_expanded_section {
3087                    panic!("Items in unexpanded sections cannot be selected");
3088                }
3089                index += 1;
3090            } else {
3091                panic!(
3092                    "Entries must start with one of 'v', '>', or '-'\n line: {}",
3093                    line
3094                );
3095            }
3096        }
3097
3098        let mut settings_window = SettingsWindow {
3099            title_bar: None,
3100            original_window: None,
3101            worktree_root_dirs: HashMap::default(),
3102            files: Vec::default(),
3103            current_file: crate::SettingsUiFile::User,
3104            drop_down_file: None,
3105            pages,
3106            search_bar: cx.new(|cx| Editor::single_line(window, cx)),
3107            navbar_entry: selected_idx.expect("Must have a selected navbar entry"),
3108            navbar_entries: Vec::default(),
3109            navbar_scroll_handle: UniformListScrollHandle::default(),
3110            navbar_focus_subscriptions: vec![],
3111            filter_table: vec![],
3112            has_query: false,
3113            content_handles: vec![],
3114            search_task: None,
3115            sub_page_scroll_handle: ScrollHandle::new(),
3116            focus_handle: cx.focus_handle(),
3117            navbar_focus_handle: NonFocusableHandle::new(
3118                NAVBAR_CONTAINER_TAB_INDEX,
3119                false,
3120                window,
3121                cx,
3122            ),
3123            content_focus_handle: NonFocusableHandle::new(
3124                CONTENT_CONTAINER_TAB_INDEX,
3125                false,
3126                window,
3127                cx,
3128            ),
3129            files_focus_handle: cx.focus_handle(),
3130            search_index: None,
3131            list_state: ListState::new(0, gpui::ListAlignment::Top, px(0.0)),
3132        };
3133
3134        settings_window.build_filter_table();
3135        settings_window.build_navbar(cx);
3136        for expanded_page_index in expanded_pages {
3137            for entry in &mut settings_window.navbar_entries {
3138                if entry.page_index == expanded_page_index && entry.is_root {
3139                    entry.expanded = true;
3140                }
3141            }
3142        }
3143        settings_window
3144    }
3145
3146    #[track_caller]
3147    fn check_navbar_toggle(
3148        before: &'static str,
3149        toggle_page: &'static str,
3150        after: &'static str,
3151        window: &mut Window,
3152        cx: &mut App,
3153    ) {
3154        let mut settings_window = parse(before, window, cx);
3155        let toggle_page_idx = settings_window
3156            .pages
3157            .iter()
3158            .position(|page| page.title == toggle_page)
3159            .expect("page not found");
3160        let toggle_idx = settings_window
3161            .navbar_entries
3162            .iter()
3163            .position(|entry| entry.page_index == toggle_page_idx)
3164            .expect("page not found");
3165        settings_window.toggle_navbar_entry(toggle_idx);
3166
3167        let expected_settings_window = parse(after, window, cx);
3168
3169        pretty_assertions::assert_eq!(
3170            settings_window
3171                .visible_navbar_entries()
3172                .map(|(_, entry)| entry)
3173                .collect::<Vec<_>>(),
3174            expected_settings_window
3175                .visible_navbar_entries()
3176                .map(|(_, entry)| entry)
3177                .collect::<Vec<_>>(),
3178        );
3179        pretty_assertions::assert_eq!(
3180            settings_window.navbar_entries[settings_window.navbar_entry()],
3181            expected_settings_window.navbar_entries[expected_settings_window.navbar_entry()],
3182        );
3183    }
3184
3185    macro_rules! check_navbar_toggle {
3186        ($name:ident, before: $before:expr, toggle_page: $toggle_page:expr, after: $after:expr) => {
3187            #[gpui::test]
3188            fn $name(cx: &mut gpui::TestAppContext) {
3189                let window = cx.add_empty_window();
3190                window.update(|window, cx| {
3191                    register_settings(cx);
3192                    check_navbar_toggle($before, $toggle_page, $after, window, cx);
3193                });
3194            }
3195        };
3196    }
3197
3198    check_navbar_toggle!(
3199        navbar_basic_open,
3200        before: r"
3201        v General
3202        - General
3203        - Privacy*
3204        v Project
3205        - Project Settings
3206        ",
3207        toggle_page: "General",
3208        after: r"
3209        > General*
3210        v Project
3211        - Project Settings
3212        "
3213    );
3214
3215    check_navbar_toggle!(
3216        navbar_basic_close,
3217        before: r"
3218        > General*
3219        - General
3220        - Privacy
3221        v Project
3222        - Project Settings
3223        ",
3224        toggle_page: "General",
3225        after: r"
3226        v General*
3227        - General
3228        - Privacy
3229        v Project
3230        - Project Settings
3231        "
3232    );
3233
3234    check_navbar_toggle!(
3235        navbar_basic_second_root_entry_close,
3236        before: r"
3237        > General
3238        - General
3239        - Privacy
3240        v Project
3241        - Project Settings*
3242        ",
3243        toggle_page: "Project",
3244        after: r"
3245        > General
3246        > Project*
3247        "
3248    );
3249
3250    check_navbar_toggle!(
3251        navbar_toggle_subroot,
3252        before: r"
3253        v General Page
3254        - General
3255        - Privacy
3256        v Project
3257        - Worktree Settings Content*
3258        v AI
3259        - General
3260        > Appearance & Behavior
3261        ",
3262        toggle_page: "Project",
3263        after: r"
3264        v General Page
3265        - General
3266        - Privacy
3267        > Project*
3268        v AI
3269        - General
3270        > Appearance & Behavior
3271        "
3272    );
3273
3274    check_navbar_toggle!(
3275        navbar_toggle_close_propagates_selected_index,
3276        before: r"
3277        v General Page
3278        - General
3279        - Privacy
3280        v Project
3281        - Worktree Settings Content
3282        v AI
3283        - General*
3284        > Appearance & Behavior
3285        ",
3286        toggle_page: "General Page",
3287        after: r"
3288        > General Page*
3289        v Project
3290        - Worktree Settings Content
3291        v AI
3292        - General
3293        > Appearance & Behavior
3294        "
3295    );
3296
3297    check_navbar_toggle!(
3298        navbar_toggle_expand_propagates_selected_index,
3299        before: r"
3300        > General Page
3301        - General
3302        - Privacy
3303        v Project
3304        - Worktree Settings Content
3305        v AI
3306        - General*
3307        > Appearance & Behavior
3308        ",
3309        toggle_page: "General Page",
3310        after: r"
3311        v General Page*
3312        - General
3313        - Privacy
3314        v Project
3315        - Worktree Settings Content
3316        v AI
3317        - General
3318        > Appearance & Behavior
3319        "
3320    );
3321}