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, ClipboardItem, DEFAULT_ADDITIONAL_WINDOW_SIZE, Div, Entity, FocusHandle,
  10    Focusable, Global, ListState, ReadGlobal as _, ScrollHandle, Stateful, Subscription, Task,
  11    TitlebarOptions, UniformListScrollHandle, Window, WindowBounds, WindowHandle, WindowOptions,
  12    actions, div, list, point, prelude::*, px, uniform_list,
  13};
  14use heck::ToTitleCase as _;
  15use project::{Project, WorktreeId};
  16use release_channel::ReleaseChannel;
  17use schemars::JsonSchema;
  18use serde::Deserialize;
  19use settings::{Settings, SettingsContent, SettingsStore};
  20use std::{
  21    any::{Any, TypeId, type_name},
  22    cell::RefCell,
  23    collections::HashMap,
  24    num::{NonZero, NonZeroU32},
  25    ops::Range,
  26    rc::Rc,
  27    sync::{Arc, LazyLock, RwLock},
  28};
  29use title_bar::platform_title_bar::PlatformTitleBar;
  30use ui::{
  31    Banner, ContextMenu, Divider, DividerColor, DropdownMenu, DropdownStyle, IconButtonShape,
  32    KeyBinding, KeybindingHint, PopoverMenu, Switch, SwitchColor, Tooltip, TreeViewItem,
  33    WithScrollbar, prelude::*,
  34};
  35use ui_input::{NumberField, NumberFieldType};
  36use util::{ResultExt as _, paths::PathStyle, rel_path::RelPath};
  37use workspace::{AppState, OpenOptions, OpenVisible, Workspace, client_side_decorations};
  38use zed_actions::{OpenSettings, OpenSettingsAt};
  39
  40use crate::components::{SettingsInputField, font_picker, icon_theme_picker, theme_picker};
  41
  42const NAVBAR_CONTAINER_TAB_INDEX: isize = 0;
  43const NAVBAR_GROUP_TAB_INDEX: isize = 1;
  44
  45const HEADER_CONTAINER_TAB_INDEX: isize = 2;
  46const HEADER_GROUP_TAB_INDEX: isize = 3;
  47
  48const CONTENT_CONTAINER_TAB_INDEX: isize = 4;
  49const CONTENT_GROUP_TAB_INDEX: isize = 5;
  50
  51actions!(
  52    settings_editor,
  53    [
  54        /// Minimizes the settings UI window.
  55        Minimize,
  56        /// Toggles focus between the navbar and the main content.
  57        ToggleFocusNav,
  58        /// Expands the navigation entry.
  59        ExpandNavEntry,
  60        /// Collapses the navigation entry.
  61        CollapseNavEntry,
  62        /// Focuses the next file in the file list.
  63        FocusNextFile,
  64        /// Focuses the previous file in the file list.
  65        FocusPreviousFile,
  66        /// Opens an editor for the current file
  67        OpenCurrentFile,
  68        /// Focuses the previous root navigation entry.
  69        FocusPreviousRootNavEntry,
  70        /// Focuses the next root navigation entry.
  71        FocusNextRootNavEntry,
  72        /// Focuses the first navigation entry.
  73        FocusFirstNavEntry,
  74        /// Focuses the last navigation entry.
  75        FocusLastNavEntry,
  76        /// Focuses and opens the next navigation entry without moving focus to content.
  77        FocusNextNavEntry,
  78        /// Focuses and opens the previous navigation entry without moving focus to content.
  79        FocusPreviousNavEntry
  80    ]
  81);
  82
  83#[derive(Action, PartialEq, Eq, Clone, Copy, Debug, JsonSchema, Deserialize)]
  84#[action(namespace = settings_editor)]
  85struct FocusFile(pub u32);
  86
  87struct SettingField<T: 'static> {
  88    pick: fn(&SettingsContent) -> Option<&T>,
  89    write: fn(&mut SettingsContent, Option<T>),
  90
  91    /// A json-path-like string that gives a unique-ish string that identifies
  92    /// where in the JSON the setting is defined.
  93    ///
  94    /// The syntax is `jq`-like, but modified slightly to be URL-safe (and
  95    /// without the leading dot), e.g. `foo.bar`.
  96    ///
  97    /// They are URL-safe (this is important since links are the main use-case
  98    /// for these paths).
  99    ///
 100    /// There are a couple of special cases:
 101    /// - discrimminants are represented with a trailing `$`, for example
 102    /// `terminal.working_directory$`. This is to distinguish the discrimminant
 103    /// setting (i.e. the setting that changes whether the value is a string or
 104    /// an object) from the setting in the case that it is a string.
 105    /// - language-specific settings begin `languages.$(language)`. Links
 106    /// targeting these settings should take the form `languages/Rust/...`, for
 107    /// example, but are not currently supported.
 108    json_path: Option<&'static str>,
 109}
 110
 111impl<T: 'static> Clone for SettingField<T> {
 112    fn clone(&self) -> Self {
 113        *self
 114    }
 115}
 116
 117// manual impl because derive puts a Copy bound on T, which is inaccurate in our case
 118impl<T: 'static> Copy for SettingField<T> {}
 119
 120/// Helper for unimplemented settings, used in combination with `SettingField::unimplemented`
 121/// to keep the setting around in the UI with valid pick and write implementations, but don't actually try to render it.
 122/// TODO(settings_ui): In non-dev builds (`#[cfg(not(debug_assertions))]`) make this render as edit-in-json
 123#[derive(Clone, Copy)]
 124struct UnimplementedSettingField;
 125
 126impl PartialEq for UnimplementedSettingField {
 127    fn eq(&self, _other: &Self) -> bool {
 128        true
 129    }
 130}
 131
 132impl<T: 'static> SettingField<T> {
 133    /// Helper for settings with types that are not yet implemented.
 134    #[allow(unused)]
 135    fn unimplemented(self) -> SettingField<UnimplementedSettingField> {
 136        SettingField {
 137            pick: |_| Some(&UnimplementedSettingField),
 138            write: |_, _| unreachable!(),
 139            json_path: None,
 140        }
 141    }
 142}
 143
 144trait AnySettingField {
 145    fn as_any(&self) -> &dyn Any;
 146    fn type_name(&self) -> &'static str;
 147    fn type_id(&self) -> TypeId;
 148    // 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)
 149    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> (settings::SettingsFile, bool);
 150    fn reset_to_default_fn(
 151        &self,
 152        current_file: &SettingsUiFile,
 153        file_set_in: &settings::SettingsFile,
 154        cx: &App,
 155    ) -> Option<Box<dyn Fn(&mut App)>>;
 156
 157    fn json_path(&self) -> Option<&'static str>;
 158}
 159
 160impl<T: PartialEq + Clone + Send + Sync + 'static> AnySettingField for SettingField<T> {
 161    fn as_any(&self) -> &dyn Any {
 162        self
 163    }
 164
 165    fn type_name(&self) -> &'static str {
 166        type_name::<T>()
 167    }
 168
 169    fn type_id(&self) -> TypeId {
 170        TypeId::of::<T>()
 171    }
 172
 173    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> (settings::SettingsFile, bool) {
 174        let (file, value) = cx
 175            .global::<SettingsStore>()
 176            .get_value_from_file(file.to_settings(), self.pick);
 177        return (file, value.is_some());
 178    }
 179
 180    fn reset_to_default_fn(
 181        &self,
 182        current_file: &SettingsUiFile,
 183        file_set_in: &settings::SettingsFile,
 184        cx: &App,
 185    ) -> Option<Box<dyn Fn(&mut App)>> {
 186        if file_set_in == &settings::SettingsFile::Default {
 187            return None;
 188        }
 189        if file_set_in != &current_file.to_settings() {
 190            return None;
 191        }
 192        let this = *self;
 193        let store = SettingsStore::global(cx);
 194        let default_value = (this.pick)(store.raw_default_settings());
 195        let is_default = store
 196            .get_content_for_file(file_set_in.clone())
 197            .map_or(None, this.pick)
 198            == default_value;
 199        if is_default {
 200            return None;
 201        }
 202        let current_file = current_file.clone();
 203
 204        return Some(Box::new(move |cx| {
 205            let store = SettingsStore::global(cx);
 206            let default_value = (this.pick)(store.raw_default_settings());
 207            let is_set_somewhere_other_than_default = store
 208                .get_value_up_to_file(current_file.to_settings(), this.pick)
 209                .0
 210                != settings::SettingsFile::Default;
 211            let value_to_set = if is_set_somewhere_other_than_default {
 212                default_value.cloned()
 213            } else {
 214                None
 215            };
 216            update_settings_file(current_file.clone(), cx, move |settings, _| {
 217                (this.write)(settings, value_to_set);
 218            })
 219            // todo(settings_ui): Don't log err
 220            .log_err();
 221        }));
 222    }
 223
 224    fn json_path(&self) -> Option<&'static str> {
 225        self.json_path
 226    }
 227}
 228
 229#[derive(Default, Clone)]
 230struct SettingFieldRenderer {
 231    renderers: Rc<
 232        RefCell<
 233            HashMap<
 234                TypeId,
 235                Box<
 236                    dyn Fn(
 237                        &SettingsWindow,
 238                        &SettingItem,
 239                        SettingsUiFile,
 240                        Option<&SettingsFieldMetadata>,
 241                        &mut Window,
 242                        &mut Context<SettingsWindow>,
 243                    ) -> Stateful<Div>,
 244                >,
 245            >,
 246        >,
 247    >,
 248}
 249
 250impl Global for SettingFieldRenderer {}
 251
 252impl SettingFieldRenderer {
 253    fn add_basic_renderer<T: 'static>(
 254        &mut self,
 255        render_control: impl Fn(
 256            SettingField<T>,
 257            SettingsUiFile,
 258            Option<&SettingsFieldMetadata>,
 259            &mut Window,
 260            &mut App,
 261        ) -> AnyElement
 262        + 'static,
 263    ) -> &mut Self {
 264        self.add_renderer(
 265            move |settings_window: &SettingsWindow,
 266                  item: &SettingItem,
 267                  field: SettingField<T>,
 268                  settings_file: SettingsUiFile,
 269                  metadata: Option<&SettingsFieldMetadata>,
 270                  window: &mut Window,
 271                  cx: &mut Context<SettingsWindow>| {
 272                render_settings_item(
 273                    settings_window,
 274                    item,
 275                    settings_file.clone(),
 276                    render_control(field, settings_file, metadata, window, cx),
 277                    window,
 278                    cx,
 279                )
 280            },
 281        )
 282    }
 283
 284    fn add_renderer<T: 'static>(
 285        &mut self,
 286        renderer: impl Fn(
 287            &SettingsWindow,
 288            &SettingItem,
 289            SettingField<T>,
 290            SettingsUiFile,
 291            Option<&SettingsFieldMetadata>,
 292            &mut Window,
 293            &mut Context<SettingsWindow>,
 294        ) -> Stateful<Div>
 295        + 'static,
 296    ) -> &mut Self {
 297        let key = TypeId::of::<T>();
 298        let renderer = Box::new(
 299            move |settings_window: &SettingsWindow,
 300                  item: &SettingItem,
 301                  settings_file: SettingsUiFile,
 302                  metadata: Option<&SettingsFieldMetadata>,
 303                  window: &mut Window,
 304                  cx: &mut Context<SettingsWindow>| {
 305                let field = *item
 306                    .field
 307                    .as_ref()
 308                    .as_any()
 309                    .downcast_ref::<SettingField<T>>()
 310                    .unwrap();
 311                renderer(
 312                    settings_window,
 313                    item,
 314                    field,
 315                    settings_file,
 316                    metadata,
 317                    window,
 318                    cx,
 319                )
 320            },
 321        );
 322        self.renderers.borrow_mut().insert(key, renderer);
 323        self
 324    }
 325}
 326
 327struct NonFocusableHandle {
 328    handle: FocusHandle,
 329    _subscription: Subscription,
 330}
 331
 332impl NonFocusableHandle {
 333    fn new(tab_index: isize, tab_stop: bool, window: &mut Window, cx: &mut App) -> Entity<Self> {
 334        let handle = cx.focus_handle().tab_index(tab_index).tab_stop(tab_stop);
 335        Self::from_handle(handle, window, cx)
 336    }
 337
 338    fn from_handle(handle: FocusHandle, window: &mut Window, cx: &mut App) -> Entity<Self> {
 339        cx.new(|cx| {
 340            let _subscription = cx.on_focus(&handle, window, {
 341                move |_, window, _| {
 342                    window.focus_next();
 343                }
 344            });
 345            Self {
 346                handle,
 347                _subscription,
 348            }
 349        })
 350    }
 351}
 352
 353impl Focusable for NonFocusableHandle {
 354    fn focus_handle(&self, _: &App) -> FocusHandle {
 355        self.handle.clone()
 356    }
 357}
 358
 359#[derive(Default)]
 360struct SettingsFieldMetadata {
 361    placeholder: Option<&'static str>,
 362    should_do_titlecase: Option<bool>,
 363}
 364
 365pub struct SettingsUiFeatureFlag;
 366
 367impl FeatureFlag for SettingsUiFeatureFlag {
 368    const NAME: &'static str = "settings-ui";
 369}
 370
 371pub fn init(cx: &mut App) {
 372    init_renderers(cx);
 373
 374    cx.observe_new(|workspace: &mut workspace::Workspace, _, _| {
 375        workspace.register_action(
 376            |workspace, OpenSettingsAt { path }: &OpenSettingsAt, window, cx| {
 377                let window_handle = window
 378                    .window_handle()
 379                    .downcast::<Workspace>()
 380                    .expect("Workspaces are root Windows");
 381                open_settings_editor(workspace, Some(&path), window_handle, cx);
 382            },
 383        );
 384    })
 385    .detach();
 386
 387    cx.observe_new(|workspace: &mut workspace::Workspace, _, _| {
 388        workspace.register_action(|workspace, _: &OpenSettings, window, cx| {
 389            let window_handle = window
 390                .window_handle()
 391                .downcast::<Workspace>()
 392                .expect("Workspaces are root Windows");
 393            open_settings_editor(workspace, None, window_handle, cx);
 394        });
 395    })
 396    .detach();
 397}
 398
 399fn init_renderers(cx: &mut App) {
 400    cx.default_global::<SettingFieldRenderer>()
 401        .add_basic_renderer::<UnimplementedSettingField>(|_, _, _, _, _| {
 402            Button::new("open-in-settings-file", "Edit in settings.json")
 403                .style(ButtonStyle::Outlined)
 404                .size(ButtonSize::Medium)
 405                .tab_index(0_isize)
 406                .on_click(|_, window, cx| {
 407                    window.dispatch_action(Box::new(OpenCurrentFile), cx);
 408                })
 409                .into_any_element()
 410        })
 411        .add_basic_renderer::<bool>(render_toggle_button)
 412        .add_basic_renderer::<String>(render_text_field)
 413        .add_basic_renderer::<SharedString>(render_text_field)
 414        .add_basic_renderer::<settings::SaturatingBool>(render_toggle_button)
 415        .add_basic_renderer::<settings::CursorShape>(render_dropdown)
 416        .add_basic_renderer::<settings::RestoreOnStartupBehavior>(render_dropdown)
 417        .add_basic_renderer::<settings::BottomDockLayout>(render_dropdown)
 418        .add_basic_renderer::<settings::OnLastWindowClosed>(render_dropdown)
 419        .add_basic_renderer::<settings::CloseWindowWhenNoItems>(render_dropdown)
 420        .add_basic_renderer::<settings::FontFamilyName>(render_font_picker)
 421        .add_basic_renderer::<settings::BaseKeymapContent>(render_dropdown)
 422        .add_basic_renderer::<settings::MultiCursorModifier>(render_dropdown)
 423        .add_basic_renderer::<settings::HideMouseMode>(render_dropdown)
 424        .add_basic_renderer::<settings::CurrentLineHighlight>(render_dropdown)
 425        .add_basic_renderer::<settings::ShowWhitespaceSetting>(render_dropdown)
 426        .add_basic_renderer::<settings::SoftWrap>(render_dropdown)
 427        .add_basic_renderer::<settings::ScrollBeyondLastLine>(render_dropdown)
 428        .add_basic_renderer::<settings::SnippetSortOrder>(render_dropdown)
 429        .add_basic_renderer::<settings::ClosePosition>(render_dropdown)
 430        .add_basic_renderer::<settings::DockSide>(render_dropdown)
 431        .add_basic_renderer::<settings::TerminalDockPosition>(render_dropdown)
 432        .add_basic_renderer::<settings::DockPosition>(render_dropdown)
 433        .add_basic_renderer::<settings::GitGutterSetting>(render_dropdown)
 434        .add_basic_renderer::<settings::GitHunkStyleSetting>(render_dropdown)
 435        .add_basic_renderer::<settings::DiagnosticSeverityContent>(render_dropdown)
 436        .add_basic_renderer::<settings::SeedQuerySetting>(render_dropdown)
 437        .add_basic_renderer::<settings::DoubleClickInMultibuffer>(render_dropdown)
 438        .add_basic_renderer::<settings::GoToDefinitionFallback>(render_dropdown)
 439        .add_basic_renderer::<settings::ActivateOnClose>(render_dropdown)
 440        .add_basic_renderer::<settings::ShowDiagnostics>(render_dropdown)
 441        .add_basic_renderer::<settings::ShowCloseButton>(render_dropdown)
 442        .add_basic_renderer::<settings::ProjectPanelEntrySpacing>(render_dropdown)
 443        .add_basic_renderer::<settings::RewrapBehavior>(render_dropdown)
 444        .add_basic_renderer::<settings::FormatOnSave>(render_dropdown)
 445        .add_basic_renderer::<settings::IndentGuideColoring>(render_dropdown)
 446        .add_basic_renderer::<settings::IndentGuideBackgroundColoring>(render_dropdown)
 447        .add_basic_renderer::<settings::FileFinderWidthContent>(render_dropdown)
 448        .add_basic_renderer::<settings::ShowDiagnostics>(render_dropdown)
 449        .add_basic_renderer::<settings::WordsCompletionMode>(render_dropdown)
 450        .add_basic_renderer::<settings::LspInsertMode>(render_dropdown)
 451        .add_basic_renderer::<settings::AlternateScroll>(render_dropdown)
 452        .add_basic_renderer::<settings::TerminalBlink>(render_dropdown)
 453        .add_basic_renderer::<settings::CursorShapeContent>(render_dropdown)
 454        .add_basic_renderer::<f32>(render_number_field)
 455        .add_basic_renderer::<u32>(render_number_field)
 456        .add_basic_renderer::<u64>(render_number_field)
 457        .add_basic_renderer::<usize>(render_number_field)
 458        .add_basic_renderer::<NonZero<usize>>(render_number_field)
 459        .add_basic_renderer::<NonZeroU32>(render_number_field)
 460        .add_basic_renderer::<settings::CodeFade>(render_number_field)
 461        .add_basic_renderer::<settings::DelayMs>(render_number_field)
 462        .add_basic_renderer::<gpui::FontWeight>(render_number_field)
 463        .add_basic_renderer::<settings::CenteredPaddingSettings>(render_number_field)
 464        .add_basic_renderer::<settings::InactiveOpacity>(render_number_field)
 465        .add_basic_renderer::<settings::MinimumContrast>(render_number_field)
 466        .add_basic_renderer::<settings::ShowScrollbar>(render_dropdown)
 467        .add_basic_renderer::<settings::ScrollbarDiagnostics>(render_dropdown)
 468        .add_basic_renderer::<settings::ShowMinimap>(render_dropdown)
 469        .add_basic_renderer::<settings::DisplayIn>(render_dropdown)
 470        .add_basic_renderer::<settings::MinimapThumb>(render_dropdown)
 471        .add_basic_renderer::<settings::MinimapThumbBorder>(render_dropdown)
 472        .add_basic_renderer::<settings::SteppingGranularity>(render_dropdown)
 473        .add_basic_renderer::<settings::NotifyWhenAgentWaiting>(render_dropdown)
 474        .add_basic_renderer::<settings::NotifyWhenAgentWaiting>(render_dropdown)
 475        .add_basic_renderer::<settings::ImageFileSizeUnit>(render_dropdown)
 476        .add_basic_renderer::<settings::StatusStyle>(render_dropdown)
 477        .add_basic_renderer::<settings::PaneSplitDirectionHorizontal>(render_dropdown)
 478        .add_basic_renderer::<settings::PaneSplitDirectionVertical>(render_dropdown)
 479        .add_basic_renderer::<settings::PaneSplitDirectionVertical>(render_dropdown)
 480        .add_basic_renderer::<settings::DocumentColorsRenderMode>(render_dropdown)
 481        .add_basic_renderer::<settings::ThemeSelectionDiscriminants>(render_dropdown)
 482        .add_basic_renderer::<settings::ThemeMode>(render_dropdown)
 483        .add_basic_renderer::<settings::ThemeName>(render_theme_picker)
 484        .add_basic_renderer::<settings::IconThemeSelectionDiscriminants>(render_dropdown)
 485        .add_basic_renderer::<settings::IconThemeName>(render_icon_theme_picker)
 486        .add_basic_renderer::<settings::BufferLineHeightDiscriminants>(render_dropdown)
 487        .add_basic_renderer::<settings::AutosaveSettingDiscriminants>(render_dropdown)
 488        .add_basic_renderer::<settings::WorkingDirectoryDiscriminants>(render_dropdown)
 489        .add_basic_renderer::<settings::MaybeDiscriminants>(render_dropdown)
 490        .add_basic_renderer::<settings::IncludeIgnoredContent>(render_dropdown)
 491        .add_basic_renderer::<settings::ShowIndentGuides>(render_dropdown)
 492        .add_basic_renderer::<settings::ShellDiscriminants>(render_dropdown)
 493        // please semicolon stay on next line
 494        ;
 495}
 496
 497pub fn open_settings_editor(
 498    _workspace: &mut Workspace,
 499    path: Option<&str>,
 500    workspace_handle: WindowHandle<Workspace>,
 501    cx: &mut App,
 502) {
 503    /// Assumes a settings GUI window is already open
 504    fn open_path(
 505        path: &str,
 506        settings_window: &mut SettingsWindow,
 507        window: &mut Window,
 508        cx: &mut Context<SettingsWindow>,
 509    ) {
 510        if path.starts_with("languages.$(language)") {
 511            log::error!("language-specific settings links are not currently supported");
 512            return;
 513        }
 514
 515        settings_window.search_bar.update(cx, |editor, cx| {
 516            editor.set_text(format!("#{path}"), window, cx);
 517        });
 518        settings_window.update_matches(cx);
 519    }
 520
 521    let existing_window = cx
 522        .windows()
 523        .into_iter()
 524        .find_map(|window| window.downcast::<SettingsWindow>());
 525
 526    if let Some(existing_window) = existing_window {
 527        existing_window
 528            .update(cx, |settings_window, window, cx| {
 529                settings_window.original_window = Some(workspace_handle);
 530                window.activate_window();
 531                if let Some(path) = path {
 532                    open_path(path, settings_window, window, cx);
 533                }
 534            })
 535            .ok();
 536        return;
 537    }
 538
 539    // We have to defer this to get the workspace off the stack.
 540
 541    let path = path.map(ToOwned::to_owned);
 542    cx.defer(move |cx| {
 543        let current_rem_size: f32 = theme::ThemeSettings::get_global(cx).ui_font_size(cx).into();
 544
 545        let default_bounds = DEFAULT_ADDITIONAL_WINDOW_SIZE;
 546        let default_rem_size = 16.0;
 547        let scale_factor = current_rem_size / default_rem_size;
 548        let scaled_bounds: gpui::Size<Pixels> = default_bounds.map(|axis| axis * scale_factor);
 549
 550        let app_id = ReleaseChannel::global(cx).app_id();
 551        let window_decorations = match std::env::var("ZED_WINDOW_DECORATIONS") {
 552            Ok(val) if val == "server" => gpui::WindowDecorations::Server,
 553            Ok(val) if val == "client" => gpui::WindowDecorations::Client,
 554            _ => gpui::WindowDecorations::Client,
 555        };
 556
 557        cx.open_window(
 558            WindowOptions {
 559                titlebar: Some(TitlebarOptions {
 560                    title: Some("Zed — Settings".into()),
 561                    appears_transparent: true,
 562                    traffic_light_position: Some(point(px(12.0), px(12.0))),
 563                }),
 564                focus: true,
 565                show: true,
 566                is_movable: true,
 567                kind: gpui::WindowKind::Floating,
 568                window_background: cx.theme().window_background_appearance(),
 569                app_id: Some(app_id.to_owned()),
 570                window_decorations: Some(window_decorations),
 571                window_min_size: Some(scaled_bounds),
 572                window_bounds: Some(WindowBounds::centered(scaled_bounds, cx)),
 573                ..Default::default()
 574            },
 575            |window, cx| {
 576                let settings_window =
 577                    cx.new(|cx| SettingsWindow::new(Some(workspace_handle), window, cx));
 578                settings_window.update(cx, |settings_window, cx| {
 579                    if let Some(path) = path {
 580                        open_path(&path, settings_window, window, cx);
 581                    }
 582                });
 583
 584                settings_window
 585            },
 586        )
 587        .log_err();
 588    });
 589}
 590
 591/// The current sub page path that is selected.
 592/// If this is empty the selected page is rendered,
 593/// otherwise the last sub page gets rendered.
 594///
 595/// Global so that `pick` and `write` callbacks can access it
 596/// and use it to dynamically render sub pages (e.g. for language settings)
 597static SUB_PAGE_STACK: LazyLock<RwLock<Vec<SubPage>>> = LazyLock::new(|| RwLock::new(Vec::new()));
 598
 599fn sub_page_stack() -> std::sync::RwLockReadGuard<'static, Vec<SubPage>> {
 600    SUB_PAGE_STACK
 601        .read()
 602        .expect("SUB_PAGE_STACK is never poisoned")
 603}
 604
 605fn sub_page_stack_mut() -> std::sync::RwLockWriteGuard<'static, Vec<SubPage>> {
 606    SUB_PAGE_STACK
 607        .write()
 608        .expect("SUB_PAGE_STACK is never poisoned")
 609}
 610
 611pub struct SettingsWindow {
 612    title_bar: Option<Entity<PlatformTitleBar>>,
 613    original_window: Option<WindowHandle<Workspace>>,
 614    files: Vec<(SettingsUiFile, FocusHandle)>,
 615    worktree_root_dirs: HashMap<WorktreeId, String>,
 616    current_file: SettingsUiFile,
 617    pages: Vec<SettingsPage>,
 618    search_bar: Entity<Editor>,
 619    search_task: Option<Task<()>>,
 620    /// Index into navbar_entries
 621    navbar_entry: usize,
 622    navbar_entries: Vec<NavBarEntry>,
 623    navbar_scroll_handle: UniformListScrollHandle,
 624    /// [page_index][page_item_index] will be false
 625    /// when the item is filtered out either by searches
 626    /// or by the current file
 627    navbar_focus_subscriptions: Vec<gpui::Subscription>,
 628    filter_table: Vec<Vec<bool>>,
 629    has_query: bool,
 630    content_handles: Vec<Vec<Entity<NonFocusableHandle>>>,
 631    sub_page_scroll_handle: ScrollHandle,
 632    focus_handle: FocusHandle,
 633    navbar_focus_handle: Entity<NonFocusableHandle>,
 634    content_focus_handle: Entity<NonFocusableHandle>,
 635    files_focus_handle: FocusHandle,
 636    search_index: Option<Arc<SearchIndex>>,
 637    list_state: ListState,
 638}
 639
 640struct SearchIndex {
 641    bm25_engine: bm25::SearchEngine<usize>,
 642    fuzzy_match_candidates: Vec<StringMatchCandidate>,
 643    key_lut: Vec<SearchKeyLUTEntry>,
 644}
 645
 646struct SearchKeyLUTEntry {
 647    page_index: usize,
 648    header_index: usize,
 649    item_index: usize,
 650    json_path: Option<&'static str>,
 651}
 652
 653struct SubPage {
 654    link: SubPageLink,
 655    section_header: &'static str,
 656}
 657
 658#[derive(Debug)]
 659struct NavBarEntry {
 660    title: &'static str,
 661    is_root: bool,
 662    expanded: bool,
 663    page_index: usize,
 664    item_index: Option<usize>,
 665    focus_handle: FocusHandle,
 666}
 667
 668struct SettingsPage {
 669    title: &'static str,
 670    items: Vec<SettingsPageItem>,
 671}
 672
 673#[derive(PartialEq)]
 674enum SettingsPageItem {
 675    SectionHeader(&'static str),
 676    SettingItem(SettingItem),
 677    SubPageLink(SubPageLink),
 678    DynamicItem(DynamicItem),
 679}
 680
 681impl std::fmt::Debug for SettingsPageItem {
 682    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 683        match self {
 684            SettingsPageItem::SectionHeader(header) => write!(f, "SectionHeader({})", header),
 685            SettingsPageItem::SettingItem(setting_item) => {
 686                write!(f, "SettingItem({})", setting_item.title)
 687            }
 688            SettingsPageItem::SubPageLink(sub_page_link) => {
 689                write!(f, "SubPageLink({})", sub_page_link.title)
 690            }
 691            SettingsPageItem::DynamicItem(dynamic_item) => {
 692                write!(f, "DynamicItem({})", dynamic_item.discriminant.title)
 693            }
 694        }
 695    }
 696}
 697
 698impl SettingsPageItem {
 699    fn render(
 700        &self,
 701        settings_window: &SettingsWindow,
 702        item_index: usize,
 703        is_last: bool,
 704        window: &mut Window,
 705        cx: &mut Context<SettingsWindow>,
 706    ) -> AnyElement {
 707        let file = settings_window.current_file.clone();
 708
 709        let border_variant = cx.theme().colors().border_variant;
 710        let apply_padding = |element: Stateful<Div>| -> Stateful<Div> {
 711            let element = element.pt_4();
 712            if is_last {
 713                element.pb_10()
 714            } else {
 715                element.pb_4().border_b_1().border_color(border_variant)
 716            }
 717        };
 718
 719        let mut render_setting_item_inner =
 720            |setting_item: &SettingItem, padding: bool, cx: &mut Context<SettingsWindow>| {
 721                let renderer = cx.default_global::<SettingFieldRenderer>().clone();
 722                let (_, found) = setting_item.field.file_set_in(file.clone(), cx);
 723
 724                let renderers = renderer.renderers.borrow();
 725
 726                let field_renderer =
 727                    renderers.get(&AnySettingField::type_id(setting_item.field.as_ref()));
 728                let field_renderer_or_warning =
 729                    field_renderer.ok_or("NO RENDERER").and_then(|renderer| {
 730                        if cfg!(debug_assertions) && !found {
 731                            Err("NO DEFAULT")
 732                        } else {
 733                            Ok(renderer)
 734                        }
 735                    });
 736
 737                let field = match field_renderer_or_warning {
 738                    Ok(field_renderer) => window.with_id(item_index, |window| {
 739                        field_renderer(
 740                            settings_window,
 741                            setting_item,
 742                            file.clone(),
 743                            setting_item.metadata.as_deref(),
 744                            window,
 745                            cx,
 746                        )
 747                    }),
 748                    Err(warning) => render_settings_item(
 749                        settings_window,
 750                        setting_item,
 751                        file.clone(),
 752                        Button::new("error-warning", warning)
 753                            .style(ButtonStyle::Outlined)
 754                            .size(ButtonSize::Medium)
 755                            .icon(Some(IconName::Debug))
 756                            .icon_position(IconPosition::Start)
 757                            .icon_color(Color::Error)
 758                            .tab_index(0_isize)
 759                            .tooltip(Tooltip::text(setting_item.field.type_name()))
 760                            .into_any_element(),
 761                        window,
 762                        cx,
 763                    ),
 764                };
 765
 766                let field = if padding {
 767                    field.map(apply_padding)
 768                } else {
 769                    field
 770                };
 771
 772                (field, field_renderer_or_warning.is_ok())
 773            };
 774
 775        match self {
 776            SettingsPageItem::SectionHeader(header) => v_flex()
 777                .w_full()
 778                .gap_1p5()
 779                .child(
 780                    Label::new(SharedString::new_static(header))
 781                        .size(LabelSize::Small)
 782                        .color(Color::Muted)
 783                        .buffer_font(cx),
 784                )
 785                .child(Divider::horizontal().color(DividerColor::BorderFaded))
 786                .into_any_element(),
 787            SettingsPageItem::SettingItem(setting_item) => {
 788                let (field_with_padding, _) = render_setting_item_inner(setting_item, true, cx);
 789                field_with_padding.into_any_element()
 790            }
 791            SettingsPageItem::SubPageLink(sub_page_link) => h_flex()
 792                .id(sub_page_link.title.clone())
 793                .w_full()
 794                .min_w_0()
 795                .justify_between()
 796                .map(apply_padding)
 797                .child(
 798                    v_flex()
 799                        .w_full()
 800                        .max_w_1_2()
 801                        .child(Label::new(sub_page_link.title.clone())),
 802                )
 803                .child(
 804                    Button::new(
 805                        ("sub-page".into(), sub_page_link.title.clone()),
 806                        "Configure",
 807                    )
 808                    .icon(IconName::ChevronRight)
 809                    .tab_index(0_isize)
 810                    .icon_position(IconPosition::End)
 811                    .icon_color(Color::Muted)
 812                    .icon_size(IconSize::Small)
 813                    .style(ButtonStyle::OutlinedGhost)
 814                    .size(ButtonSize::Medium)
 815                    .on_click({
 816                        let sub_page_link = sub_page_link.clone();
 817                        cx.listener(move |this, _, _, cx| {
 818                            let mut section_index = item_index;
 819                            let current_page = this.current_page();
 820
 821                            while !matches!(
 822                                current_page.items[section_index],
 823                                SettingsPageItem::SectionHeader(_)
 824                            ) {
 825                                section_index -= 1;
 826                            }
 827
 828                            let SettingsPageItem::SectionHeader(header) =
 829                                current_page.items[section_index]
 830                            else {
 831                                unreachable!("All items always have a section header above them")
 832                            };
 833
 834                            this.push_sub_page(sub_page_link.clone(), header, cx)
 835                        })
 836                    }),
 837                )
 838                .into_any_element(),
 839            SettingsPageItem::DynamicItem(DynamicItem {
 840                discriminant: discriminant_setting_item,
 841                pick_discriminant,
 842                fields,
 843            }) => {
 844                let file = file.to_settings();
 845                let discriminant = SettingsStore::global(cx)
 846                    .get_value_from_file(file, *pick_discriminant)
 847                    .1;
 848
 849                let (discriminant_element, rendered_ok) =
 850                    render_setting_item_inner(discriminant_setting_item, true, cx);
 851
 852                let has_sub_fields =
 853                    rendered_ok && discriminant.map(|d| !fields[d].is_empty()).unwrap_or(false);
 854
 855                let discriminant_element = if has_sub_fields {
 856                    discriminant_element.pb_4().border_b_0()
 857                } else {
 858                    discriminant_element
 859                };
 860
 861                let mut content = v_flex().id("dynamic-item").child(discriminant_element);
 862
 863                if rendered_ok {
 864                    let discriminant =
 865                        discriminant.expect("This should be Some if rendered_ok is true");
 866                    let sub_fields = &fields[discriminant];
 867                    let sub_field_count = sub_fields.len();
 868
 869                    for (index, field) in sub_fields.iter().enumerate() {
 870                        let is_last_sub_field = index == sub_field_count - 1;
 871                        let (raw_field, _) = render_setting_item_inner(field, false, cx);
 872
 873                        content = content.child(
 874                            raw_field
 875                                .p_4()
 876                                .border_x_1()
 877                                .border_t_1()
 878                                .when(is_last_sub_field, |this| this.border_b_1())
 879                                .when(is_last_sub_field && is_last, |this| this.mb_8())
 880                                .border_dashed()
 881                                .border_color(cx.theme().colors().border_variant)
 882                                .bg(cx.theme().colors().element_background.opacity(0.2)),
 883                        );
 884                    }
 885                }
 886
 887                return content.into_any_element();
 888            }
 889        }
 890    }
 891}
 892
 893fn render_settings_item(
 894    settings_window: &SettingsWindow,
 895    setting_item: &SettingItem,
 896    file: SettingsUiFile,
 897    control: AnyElement,
 898    _window: &mut Window,
 899    cx: &mut Context<'_, SettingsWindow>,
 900) -> Stateful<Div> {
 901    let (found_in_file, _) = setting_item.field.file_set_in(file.clone(), cx);
 902    let file_set_in = SettingsUiFile::from_settings(found_in_file.clone());
 903
 904    let clipboard_has_link = cx
 905        .read_from_clipboard()
 906        .and_then(|entry| entry.text())
 907        .map_or(false, |maybe_url| {
 908            maybe_url.strip_prefix("zed://settings/") == setting_item.field.json_path()
 909        });
 910    let (link_icon, link_icon_color) = if clipboard_has_link {
 911        (IconName::Check, Color::Success)
 912    } else {
 913        (IconName::Hash, Color::Muted)
 914    };
 915
 916    h_flex()
 917        .id(setting_item.title)
 918
 919        .relative()
 920        .min_w_0()
 921        .justify_between()
 922        .child(
 923            v_flex()
 924                .w_1_2()
 925                .group("setting-item")
 926                .child(
 927                    h_flex()
 928                        .w_full()
 929                        .gap_1()
 930                        .ml_neg_8()
 931                        // .group_hover("setting-item", |s| s.gap_10())
 932                        .child(
 933                            IconButton::new("copy-link-btn", link_icon)
 934                                .icon_color(link_icon_color)
 935                                .icon_size(IconSize::Small)
 936                                .shape(IconButtonShape::Square)
 937                                .tooltip(Tooltip::text("Copy Link"))
 938                                .when_some(setting_item.field.json_path(), |this, path| {
 939                                    this.on_click(cx.listener(move |_, _, _, cx| {
 940                                        let link = format!("zed://settings/{}", path);
 941                                        cx.write_to_clipboard(ClipboardItem::new_string(link));
 942                                        cx.notify();
 943                                    }))
 944                                })
 945)
 946                        .child(Label::new(SharedString::new_static(setting_item.title)))
 947                        .when_some(
 948                            setting_item
 949                                .field
 950                                .reset_to_default_fn(&file, &found_in_file, cx),
 951                            |this, reset_to_default| {
 952                                this.child(
 953                                    IconButton::new("reset-to-default-btn", IconName::Undo)
 954                                        .icon_color(Color::Muted)
 955                                        .icon_size(IconSize::Small)
 956                                        .tooltip(Tooltip::text("Reset to Default"))
 957                                        .on_click({
 958                                            move |_, _, cx| {
 959                                                reset_to_default(cx);
 960                                            }
 961                                        }),
 962                                )
 963                            },
 964                        )
 965                        .when_some(
 966                            file_set_in.filter(|file_set_in| file_set_in != &file),
 967                            |this, file_set_in| {
 968                                this.child(
 969                                    Label::new(format!(
 970                                        "—  Modified in {}",
 971                                        settings_window
 972                                            .display_name(&file_set_in)
 973                                            .expect("File name should exist")
 974                                    ))
 975                                    .color(Color::Muted)
 976                                    .size(LabelSize::Small),
 977                                )
 978                            },
 979                        ),
 980                )
 981                .child(
 982                    Label::new(SharedString::new_static(setting_item.description))
 983                        .size(LabelSize::Small)
 984                        .color(Color::Muted),
 985                ),
 986        )
 987        .child(control)
 988    // .when(sub_page_stack().is_empty(), |this| {
 989    //     this.child(
 990    //         div()
 991    //             .visible_on_hover("setting-item")
 992    //             .absolute()
 993    //             .top_0()
 994    //             .left_neg_5(
 995    //             )
 996    //             .child({
 997    //                 IconButton::new("copy-link-btn", link_icon)
 998    //                     .icon_color(link_icon_color)
 999    //                     .icon_size(IconSize::Small)
1000    //                     .shape(IconButtonShape::Square)
1001    //                     .tooltip(Tooltip::text("Copy Link"))
1002    //                     .when_some(
1003    //                         setting_item.field.json_path(),
1004    //                         |this, path| {
1005    //                             this.on_click(cx.listener(
1006    //                                 move |_, _, _, cx| {
1007    //                                     let link =
1008    //                                         format!("zed://settings/{}", path);
1009    //                                     cx.write_to_clipboard(
1010    //                                         ClipboardItem::new_string(link),
1011    //                                     );
1012    //                                     cx.notify();
1013    //                                 },
1014    //                             ))
1015    //                         },
1016    //                     )
1017    //             }),
1018    //     )
1019    // })
1020}
1021
1022struct SettingItem {
1023    title: &'static str,
1024    description: &'static str,
1025    field: Box<dyn AnySettingField>,
1026    metadata: Option<Box<SettingsFieldMetadata>>,
1027    files: FileMask,
1028}
1029
1030struct DynamicItem {
1031    discriminant: SettingItem,
1032    pick_discriminant: fn(&SettingsContent) -> Option<usize>,
1033    fields: Vec<Vec<SettingItem>>,
1034}
1035
1036impl PartialEq for DynamicItem {
1037    fn eq(&self, other: &Self) -> bool {
1038        self.discriminant == other.discriminant && self.fields == other.fields
1039    }
1040}
1041
1042#[derive(PartialEq, Eq, Clone, Copy)]
1043struct FileMask(u8);
1044
1045impl std::fmt::Debug for FileMask {
1046    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
1047        write!(f, "FileMask(")?;
1048        let mut items = vec![];
1049
1050        if self.contains(USER) {
1051            items.push("USER");
1052        }
1053        if self.contains(PROJECT) {
1054            items.push("LOCAL");
1055        }
1056        if self.contains(SERVER) {
1057            items.push("SERVER");
1058        }
1059
1060        write!(f, "{})", items.join(" | "))
1061    }
1062}
1063
1064const USER: FileMask = FileMask(1 << 0);
1065const PROJECT: FileMask = FileMask(1 << 2);
1066const SERVER: FileMask = FileMask(1 << 3);
1067
1068impl std::ops::BitAnd for FileMask {
1069    type Output = Self;
1070
1071    fn bitand(self, other: Self) -> Self {
1072        Self(self.0 & other.0)
1073    }
1074}
1075
1076impl std::ops::BitOr for FileMask {
1077    type Output = Self;
1078
1079    fn bitor(self, other: Self) -> Self {
1080        Self(self.0 | other.0)
1081    }
1082}
1083
1084impl FileMask {
1085    fn contains(&self, other: FileMask) -> bool {
1086        self.0 & other.0 != 0
1087    }
1088}
1089
1090impl PartialEq for SettingItem {
1091    fn eq(&self, other: &Self) -> bool {
1092        self.title == other.title
1093            && self.description == other.description
1094            && (match (&self.metadata, &other.metadata) {
1095                (None, None) => true,
1096                (Some(m1), Some(m2)) => m1.placeholder == m2.placeholder,
1097                _ => false,
1098            })
1099    }
1100}
1101
1102#[derive(Clone)]
1103struct SubPageLink {
1104    title: SharedString,
1105    files: FileMask,
1106    render: Arc<
1107        dyn Fn(&mut SettingsWindow, &mut Window, &mut Context<SettingsWindow>) -> AnyElement
1108            + 'static
1109            + Send
1110            + Sync,
1111    >,
1112}
1113
1114impl PartialEq for SubPageLink {
1115    fn eq(&self, other: &Self) -> bool {
1116        self.title == other.title
1117    }
1118}
1119
1120fn all_language_names(cx: &App) -> Vec<SharedString> {
1121    workspace::AppState::global(cx)
1122        .upgrade()
1123        .map_or(vec![], |state| {
1124            state
1125                .languages
1126                .language_names()
1127                .into_iter()
1128                .filter(|name| name.as_ref() != "Zed Keybind Context")
1129                .map(Into::into)
1130                .collect()
1131        })
1132}
1133
1134#[allow(unused)]
1135#[derive(Clone, PartialEq)]
1136enum SettingsUiFile {
1137    User,                                // Uses all settings.
1138    Project((WorktreeId, Arc<RelPath>)), // Has a special name, and special set of settings
1139    Server(&'static str),                // Uses a special name, and the user settings
1140}
1141
1142impl SettingsUiFile {
1143    fn is_server(&self) -> bool {
1144        matches!(self, SettingsUiFile::Server(_))
1145    }
1146
1147    fn worktree_id(&self) -> Option<WorktreeId> {
1148        match self {
1149            SettingsUiFile::User => None,
1150            SettingsUiFile::Project((worktree_id, _)) => Some(*worktree_id),
1151            SettingsUiFile::Server(_) => None,
1152        }
1153    }
1154
1155    fn from_settings(file: settings::SettingsFile) -> Option<Self> {
1156        Some(match file {
1157            settings::SettingsFile::User => SettingsUiFile::User,
1158            settings::SettingsFile::Project(location) => SettingsUiFile::Project(location),
1159            settings::SettingsFile::Server => SettingsUiFile::Server("todo: server name"),
1160            settings::SettingsFile::Default => return None,
1161        })
1162    }
1163
1164    fn to_settings(&self) -> settings::SettingsFile {
1165        match self {
1166            SettingsUiFile::User => settings::SettingsFile::User,
1167            SettingsUiFile::Project(location) => settings::SettingsFile::Project(location.clone()),
1168            SettingsUiFile::Server(_) => settings::SettingsFile::Server,
1169        }
1170    }
1171
1172    fn mask(&self) -> FileMask {
1173        match self {
1174            SettingsUiFile::User => USER,
1175            SettingsUiFile::Project(_) => PROJECT,
1176            SettingsUiFile::Server(_) => SERVER,
1177        }
1178    }
1179}
1180
1181impl SettingsWindow {
1182    fn new(
1183        original_window: Option<WindowHandle<Workspace>>,
1184        window: &mut Window,
1185        cx: &mut Context<Self>,
1186    ) -> Self {
1187        let font_family_cache = theme::FontFamilyCache::global(cx);
1188
1189        cx.spawn(async move |this, cx| {
1190            font_family_cache.prefetch(cx).await;
1191            this.update(cx, |_, cx| {
1192                cx.notify();
1193            })
1194        })
1195        .detach();
1196
1197        let current_file = SettingsUiFile::User;
1198        let search_bar = cx.new(|cx| {
1199            let mut editor = Editor::single_line(window, cx);
1200            editor.set_placeholder_text("Search settings…", window, cx);
1201            editor
1202        });
1203
1204        cx.subscribe(&search_bar, |this, _, event: &EditorEvent, cx| {
1205            let EditorEvent::Edited { transaction_id: _ } = event else {
1206                return;
1207            };
1208
1209            this.update_matches(cx);
1210        })
1211        .detach();
1212
1213        cx.observe_global_in::<SettingsStore>(window, move |this, window, cx| {
1214            this.fetch_files(window, cx);
1215            cx.notify();
1216        })
1217        .detach();
1218
1219        cx.on_window_closed(|cx| {
1220            if let Some(existing_window) = cx
1221                .windows()
1222                .into_iter()
1223                .find_map(|window| window.downcast::<SettingsWindow>())
1224                && cx.windows().len() == 1
1225            {
1226                cx.update_window(*existing_window, |_, window, _| {
1227                    window.remove_window();
1228                })
1229                .ok();
1230            }
1231        })
1232        .detach();
1233
1234        if let Some(app_state) = AppState::global(cx).upgrade() {
1235            for project in app_state
1236                .workspace_store
1237                .read(cx)
1238                .workspaces()
1239                .iter()
1240                .filter_map(|space| {
1241                    space
1242                        .read(cx)
1243                        .ok()
1244                        .map(|workspace| workspace.project().clone())
1245                })
1246                .collect::<Vec<_>>()
1247            {
1248                cx.subscribe_in(&project, window, Self::handle_project_event)
1249                    .detach();
1250            }
1251        } else {
1252            log::error!("App state doesn't exist when creating a new settings window");
1253        }
1254
1255        let this_weak = cx.weak_entity();
1256        cx.observe_new::<Project>({
1257            move |_, window, cx| {
1258                let project = cx.entity();
1259                let Some(window) = window else {
1260                    return;
1261                };
1262
1263                this_weak
1264                    .update(cx, |_, cx| {
1265                        cx.subscribe_in(&project, window, Self::handle_project_event)
1266                            .detach();
1267                    })
1268                    .ok();
1269            }
1270        })
1271        .detach();
1272
1273        let title_bar = if !cfg!(target_os = "macos") {
1274            Some(cx.new(|cx| PlatformTitleBar::new("settings-title-bar", cx)))
1275        } else {
1276            None
1277        };
1278
1279        // high overdraw value so the list scrollbar len doesn't change too much
1280        let list_state = gpui::ListState::new(0, gpui::ListAlignment::Top, px(0.0)).measure_all();
1281        list_state.set_scroll_handler(|_, _, _| {});
1282
1283        let mut this = Self {
1284            title_bar,
1285            original_window,
1286
1287            worktree_root_dirs: HashMap::default(),
1288            files: vec![],
1289
1290            current_file: current_file,
1291            pages: vec![],
1292            navbar_entries: vec![],
1293            navbar_entry: 0,
1294            navbar_scroll_handle: UniformListScrollHandle::default(),
1295            search_bar,
1296            search_task: None,
1297            filter_table: vec![],
1298            has_query: false,
1299            content_handles: vec![],
1300            sub_page_scroll_handle: ScrollHandle::new(),
1301            focus_handle: cx.focus_handle(),
1302            navbar_focus_handle: NonFocusableHandle::new(
1303                NAVBAR_CONTAINER_TAB_INDEX,
1304                false,
1305                window,
1306                cx,
1307            ),
1308            navbar_focus_subscriptions: vec![],
1309            content_focus_handle: NonFocusableHandle::new(
1310                CONTENT_CONTAINER_TAB_INDEX,
1311                false,
1312                window,
1313                cx,
1314            ),
1315            files_focus_handle: cx
1316                .focus_handle()
1317                .tab_index(HEADER_CONTAINER_TAB_INDEX)
1318                .tab_stop(false),
1319            search_index: None,
1320            list_state,
1321        };
1322
1323        this.fetch_files(window, cx);
1324        this.build_ui(window, cx);
1325        this.build_search_index();
1326
1327        this.search_bar.update(cx, |editor, cx| {
1328            editor.focus_handle(cx).focus(window);
1329        });
1330
1331        this
1332    }
1333
1334    fn handle_project_event(
1335        &mut self,
1336        _: &Entity<Project>,
1337        event: &project::Event,
1338        window: &mut Window,
1339        cx: &mut Context<SettingsWindow>,
1340    ) {
1341        match event {
1342            project::Event::WorktreeRemoved(_) | project::Event::WorktreeAdded(_) => {
1343                cx.defer_in(window, |this, window, cx| {
1344                    this.fetch_files(window, cx);
1345                });
1346            }
1347            _ => {}
1348        }
1349    }
1350
1351    fn toggle_navbar_entry(&mut self, nav_entry_index: usize) {
1352        // We can only toggle root entries
1353        if !self.navbar_entries[nav_entry_index].is_root {
1354            return;
1355        }
1356
1357        let expanded = &mut self.navbar_entries[nav_entry_index].expanded;
1358        *expanded = !*expanded;
1359        self.navbar_entry = nav_entry_index;
1360        self.reset_list_state();
1361    }
1362
1363    fn build_navbar(&mut self, cx: &App) {
1364        let mut navbar_entries = Vec::new();
1365
1366        for (page_index, page) in self.pages.iter().enumerate() {
1367            navbar_entries.push(NavBarEntry {
1368                title: page.title,
1369                is_root: true,
1370                expanded: false,
1371                page_index,
1372                item_index: None,
1373                focus_handle: cx.focus_handle().tab_index(0).tab_stop(true),
1374            });
1375
1376            for (item_index, item) in page.items.iter().enumerate() {
1377                let SettingsPageItem::SectionHeader(title) = item else {
1378                    continue;
1379                };
1380                navbar_entries.push(NavBarEntry {
1381                    title,
1382                    is_root: false,
1383                    expanded: false,
1384                    page_index,
1385                    item_index: Some(item_index),
1386                    focus_handle: cx.focus_handle().tab_index(0).tab_stop(true),
1387                });
1388            }
1389        }
1390
1391        self.navbar_entries = navbar_entries;
1392    }
1393
1394    fn setup_navbar_focus_subscriptions(
1395        &mut self,
1396        window: &mut Window,
1397        cx: &mut Context<SettingsWindow>,
1398    ) {
1399        let mut focus_subscriptions = Vec::new();
1400
1401        for entry_index in 0..self.navbar_entries.len() {
1402            let focus_handle = self.navbar_entries[entry_index].focus_handle.clone();
1403
1404            let subscription = cx.on_focus(
1405                &focus_handle,
1406                window,
1407                move |this: &mut SettingsWindow,
1408                      window: &mut Window,
1409                      cx: &mut Context<SettingsWindow>| {
1410                    this.open_and_scroll_to_navbar_entry(entry_index, None, false, window, cx);
1411                },
1412            );
1413            focus_subscriptions.push(subscription);
1414        }
1415        self.navbar_focus_subscriptions = focus_subscriptions;
1416    }
1417
1418    fn visible_navbar_entries(&self) -> impl Iterator<Item = (usize, &NavBarEntry)> {
1419        let mut index = 0;
1420        let entries = &self.navbar_entries;
1421        let search_matches = &self.filter_table;
1422        let has_query = self.has_query;
1423        std::iter::from_fn(move || {
1424            while index < entries.len() {
1425                let entry = &entries[index];
1426                let included_in_search = if let Some(item_index) = entry.item_index {
1427                    search_matches[entry.page_index][item_index]
1428                } else {
1429                    search_matches[entry.page_index].iter().any(|b| *b)
1430                        || search_matches[entry.page_index].is_empty()
1431                };
1432                if included_in_search {
1433                    break;
1434                }
1435                index += 1;
1436            }
1437            if index >= self.navbar_entries.len() {
1438                return None;
1439            }
1440            let entry = &entries[index];
1441            let entry_index = index;
1442
1443            index += 1;
1444            if entry.is_root && !entry.expanded && !has_query {
1445                while index < entries.len() {
1446                    if entries[index].is_root {
1447                        break;
1448                    }
1449                    index += 1;
1450                }
1451            }
1452
1453            return Some((entry_index, entry));
1454        })
1455    }
1456
1457    fn filter_matches_to_file(&mut self) {
1458        let current_file = self.current_file.mask();
1459        for (page, page_filter) in std::iter::zip(&self.pages, &mut self.filter_table) {
1460            let mut header_index = 0;
1461            let mut any_found_since_last_header = true;
1462
1463            for (index, item) in page.items.iter().enumerate() {
1464                match item {
1465                    SettingsPageItem::SectionHeader(_) => {
1466                        if !any_found_since_last_header {
1467                            page_filter[header_index] = false;
1468                        }
1469                        header_index = index;
1470                        any_found_since_last_header = false;
1471                    }
1472                    SettingsPageItem::SettingItem(SettingItem { files, .. })
1473                    | SettingsPageItem::SubPageLink(SubPageLink { files, .. })
1474                    | SettingsPageItem::DynamicItem(DynamicItem {
1475                        discriminant: SettingItem { files, .. },
1476                        ..
1477                    }) => {
1478                        if !files.contains(current_file) {
1479                            page_filter[index] = false;
1480                        } else {
1481                            any_found_since_last_header = true;
1482                        }
1483                    }
1484                }
1485            }
1486            if let Some(last_header) = page_filter.get_mut(header_index)
1487                && !any_found_since_last_header
1488            {
1489                *last_header = false;
1490            }
1491        }
1492    }
1493
1494    fn update_matches(&mut self, cx: &mut Context<SettingsWindow>) {
1495        self.search_task.take();
1496        let mut query = self.search_bar.read(cx).text(cx);
1497        if query.is_empty() || self.search_index.is_none() {
1498            for page in &mut self.filter_table {
1499                page.fill(true);
1500            }
1501            self.has_query = false;
1502            self.filter_matches_to_file();
1503            self.reset_list_state();
1504            cx.notify();
1505            return;
1506        }
1507
1508        let is_json_link_query;
1509        if query.starts_with("#") {
1510            query.remove(0);
1511            is_json_link_query = true;
1512        } else {
1513            is_json_link_query = false;
1514        }
1515
1516        let search_index = self.search_index.as_ref().unwrap().clone();
1517
1518        fn update_matches_inner(
1519            this: &mut SettingsWindow,
1520            search_index: &SearchIndex,
1521            match_indices: impl Iterator<Item = usize>,
1522            cx: &mut Context<SettingsWindow>,
1523        ) {
1524            for page in &mut this.filter_table {
1525                page.fill(false);
1526            }
1527
1528            for match_index in match_indices {
1529                let SearchKeyLUTEntry {
1530                    page_index,
1531                    header_index,
1532                    item_index,
1533                    ..
1534                } = search_index.key_lut[match_index];
1535                let page = &mut this.filter_table[page_index];
1536                page[header_index] = true;
1537                page[item_index] = true;
1538            }
1539            this.has_query = true;
1540            this.filter_matches_to_file();
1541            this.open_first_nav_page();
1542            this.reset_list_state();
1543            cx.notify();
1544        }
1545
1546        self.search_task = Some(cx.spawn(async move |this, cx| {
1547            if is_json_link_query {
1548                let mut indices = vec![];
1549                for (index, SearchKeyLUTEntry { json_path, .. }) in
1550                    search_index.key_lut.iter().enumerate()
1551                {
1552                    let Some(json_path) = json_path else {
1553                        continue;
1554                    };
1555
1556                    if let Some(post) = query.strip_prefix(json_path)
1557                        && (post.is_empty() || post.starts_with('.'))
1558                    {
1559                        indices.push(index);
1560                    }
1561                }
1562                if !indices.is_empty() {
1563                    this.update(cx, |this, cx| {
1564                        update_matches_inner(this, search_index.as_ref(), indices.into_iter(), cx);
1565                    })
1566                    .ok();
1567                    return;
1568                }
1569            }
1570            let bm25_task = cx.background_spawn({
1571                let search_index = search_index.clone();
1572                let max_results = search_index.key_lut.len();
1573                let query = query.clone();
1574                async move { search_index.bm25_engine.search(&query, max_results) }
1575            });
1576            let cancel_flag = std::sync::atomic::AtomicBool::new(false);
1577            let fuzzy_search_task = fuzzy::match_strings(
1578                search_index.fuzzy_match_candidates.as_slice(),
1579                &query,
1580                false,
1581                true,
1582                search_index.fuzzy_match_candidates.len(),
1583                &cancel_flag,
1584                cx.background_executor().clone(),
1585            );
1586
1587            let fuzzy_matches = fuzzy_search_task.await;
1588
1589            _ = this
1590                .update(cx, |this, cx| {
1591                    // For tuning the score threshold
1592                    // for fuzzy_match in &fuzzy_matches {
1593                    //     let SearchItemKey {
1594                    //         page_index,
1595                    //         header_index,
1596                    //         item_index,
1597                    //     } = search_index.key_lut[fuzzy_match.candidate_id];
1598                    //     let SettingsPageItem::SectionHeader(header) =
1599                    //         this.pages[page_index].items[header_index]
1600                    //     else {
1601                    //         continue;
1602                    //     };
1603                    //     let SettingsPageItem::SettingItem(SettingItem {
1604                    //         title, description, ..
1605                    //     }) = this.pages[page_index].items[item_index]
1606                    //     else {
1607                    //         continue;
1608                    //     };
1609                    //     let score = fuzzy_match.score;
1610                    //     eprint!("# {header} :: QUERY = {query} :: SCORE = {score}\n{title}\n{description}\n\n");
1611                    // }
1612                    update_matches_inner(
1613                        this,
1614                        search_index.as_ref(),
1615                        fuzzy_matches
1616                            .into_iter()
1617                            // MAGIC NUMBER: Was found to have right balance between not too many weird matches, but also
1618                            // flexible enough to catch misspellings and <4 letter queries
1619                            // More flexible is good for us here because fuzzy matches will only be used for things that don't
1620                            // match using bm25
1621                            .take_while(|fuzzy_match| fuzzy_match.score >= 0.3)
1622                            .map(|fuzzy_match| fuzzy_match.candidate_id),
1623                        cx,
1624                    );
1625                })
1626                .ok();
1627
1628            let bm25_matches = bm25_task.await;
1629
1630            _ = this
1631                .update(cx, |this, cx| {
1632                    if bm25_matches.is_empty() {
1633                        return;
1634                    }
1635                    update_matches_inner(
1636                        this,
1637                        search_index.as_ref(),
1638                        bm25_matches
1639                            .into_iter()
1640                            .map(|bm25_match| bm25_match.document.id),
1641                        cx,
1642                    );
1643                })
1644                .ok();
1645        }));
1646    }
1647
1648    fn build_filter_table(&mut self) {
1649        self.filter_table = self
1650            .pages
1651            .iter()
1652            .map(|page| vec![true; page.items.len()])
1653            .collect::<Vec<_>>();
1654    }
1655
1656    fn build_search_index(&mut self) {
1657        let mut key_lut: Vec<SearchKeyLUTEntry> = vec![];
1658        let mut documents = Vec::default();
1659        let mut fuzzy_match_candidates = Vec::default();
1660
1661        fn push_candidates(
1662            fuzzy_match_candidates: &mut Vec<StringMatchCandidate>,
1663            key_index: usize,
1664            input: &str,
1665        ) {
1666            for word in input.split_ascii_whitespace() {
1667                fuzzy_match_candidates.push(StringMatchCandidate::new(key_index, word));
1668            }
1669        }
1670
1671        // PERF: We are currently searching all items even in project files
1672        // where many settings are filtered out, using the logic in filter_matches_to_file
1673        // we could only search relevant items based on the current file
1674        for (page_index, page) in self.pages.iter().enumerate() {
1675            let mut header_index = 0;
1676            let mut header_str = "";
1677            for (item_index, item) in page.items.iter().enumerate() {
1678                let key_index = key_lut.len();
1679                let mut json_path = None;
1680                match item {
1681                    SettingsPageItem::DynamicItem(DynamicItem {
1682                        discriminant: item, ..
1683                    })
1684                    | SettingsPageItem::SettingItem(item) => {
1685                        json_path = item
1686                            .field
1687                            .json_path()
1688                            .map(|path| path.trim_end_matches('$'));
1689                        documents.push(bm25::Document {
1690                            id: key_index,
1691                            contents: [page.title, header_str, item.title, item.description]
1692                                .join("\n"),
1693                        });
1694                        push_candidates(&mut fuzzy_match_candidates, key_index, item.title);
1695                        push_candidates(&mut fuzzy_match_candidates, key_index, item.description);
1696                    }
1697                    SettingsPageItem::SectionHeader(header) => {
1698                        documents.push(bm25::Document {
1699                            id: key_index,
1700                            contents: header.to_string(),
1701                        });
1702                        push_candidates(&mut fuzzy_match_candidates, key_index, header);
1703                        header_index = item_index;
1704                        header_str = *header;
1705                    }
1706                    SettingsPageItem::SubPageLink(sub_page_link) => {
1707                        documents.push(bm25::Document {
1708                            id: key_index,
1709                            contents: [page.title, header_str, sub_page_link.title.as_ref()]
1710                                .join("\n"),
1711                        });
1712                        push_candidates(
1713                            &mut fuzzy_match_candidates,
1714                            key_index,
1715                            sub_page_link.title.as_ref(),
1716                        );
1717                    }
1718                }
1719                push_candidates(&mut fuzzy_match_candidates, key_index, page.title);
1720                push_candidates(&mut fuzzy_match_candidates, key_index, header_str);
1721
1722                key_lut.push(SearchKeyLUTEntry {
1723                    page_index,
1724                    header_index,
1725                    item_index,
1726                    json_path,
1727                });
1728            }
1729        }
1730        let engine =
1731            bm25::SearchEngineBuilder::with_documents(bm25::Language::English, documents).build();
1732        self.search_index = Some(Arc::new(SearchIndex {
1733            bm25_engine: engine,
1734            key_lut,
1735            fuzzy_match_candidates,
1736        }));
1737    }
1738
1739    fn build_content_handles(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1740        self.content_handles = self
1741            .pages
1742            .iter()
1743            .map(|page| {
1744                std::iter::repeat_with(|| NonFocusableHandle::new(0, false, window, cx))
1745                    .take(page.items.len())
1746                    .collect()
1747            })
1748            .collect::<Vec<_>>();
1749    }
1750
1751    fn reset_list_state(&mut self) {
1752        // plus one for the title
1753        let mut visible_items_count = self.visible_page_items().count();
1754
1755        if visible_items_count > 0 {
1756            // show page title if page is non empty
1757            visible_items_count += 1;
1758        }
1759
1760        self.list_state.reset(visible_items_count);
1761    }
1762
1763    fn build_ui(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1764        if self.pages.is_empty() {
1765            self.pages = page_data::settings_data(cx);
1766            self.build_navbar(cx);
1767            self.setup_navbar_focus_subscriptions(window, cx);
1768            self.build_content_handles(window, cx);
1769        }
1770        sub_page_stack_mut().clear();
1771        // PERF: doesn't have to be rebuilt, can just be filled with true. pages is constant once it is built
1772        self.build_filter_table();
1773        self.reset_list_state();
1774        self.update_matches(cx);
1775
1776        cx.notify();
1777    }
1778
1779    fn fetch_files(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1780        self.worktree_root_dirs.clear();
1781        let prev_files = self.files.clone();
1782        let settings_store = cx.global::<SettingsStore>();
1783        let mut ui_files = vec![];
1784        let all_files = settings_store.get_all_files();
1785        for file in all_files {
1786            let Some(settings_ui_file) = SettingsUiFile::from_settings(file) else {
1787                continue;
1788            };
1789            if settings_ui_file.is_server() {
1790                continue;
1791            }
1792
1793            if let Some(worktree_id) = settings_ui_file.worktree_id() {
1794                let directory_name = all_projects(cx)
1795                    .find_map(|project| project.read(cx).worktree_for_id(worktree_id, cx))
1796                    .and_then(|worktree| worktree.read(cx).root_dir())
1797                    .and_then(|root_dir| {
1798                        root_dir
1799                            .file_name()
1800                            .map(|os_string| os_string.to_string_lossy().to_string())
1801                    });
1802
1803                let Some(directory_name) = directory_name else {
1804                    log::error!(
1805                        "No directory name found for settings file at worktree ID: {}",
1806                        worktree_id
1807                    );
1808                    continue;
1809                };
1810
1811                self.worktree_root_dirs.insert(worktree_id, directory_name);
1812            }
1813
1814            let focus_handle = prev_files
1815                .iter()
1816                .find_map(|(prev_file, handle)| {
1817                    (prev_file == &settings_ui_file).then(|| handle.clone())
1818                })
1819                .unwrap_or_else(|| cx.focus_handle().tab_index(0).tab_stop(true));
1820            ui_files.push((settings_ui_file, focus_handle));
1821        }
1822
1823        ui_files.reverse();
1824
1825        let mut missing_worktrees = Vec::new();
1826
1827        for worktree in all_projects(cx)
1828            .flat_map(|project| project.read(cx).worktrees(cx))
1829            .filter(|tree| !self.worktree_root_dirs.contains_key(&tree.read(cx).id()))
1830        {
1831            let worktree = worktree.read(cx);
1832            let worktree_id = worktree.id();
1833            let Some(directory_name) = worktree.root_dir().and_then(|file| {
1834                file.file_name()
1835                    .map(|os_string| os_string.to_string_lossy().to_string())
1836            }) else {
1837                continue;
1838            };
1839
1840            missing_worktrees.push((worktree_id, directory_name.clone()));
1841            let path = RelPath::empty().to_owned().into_arc();
1842
1843            let settings_ui_file = SettingsUiFile::Project((worktree_id, path));
1844
1845            let focus_handle = prev_files
1846                .iter()
1847                .find_map(|(prev_file, handle)| {
1848                    (prev_file == &settings_ui_file).then(|| handle.clone())
1849                })
1850                .unwrap_or_else(|| cx.focus_handle().tab_index(0).tab_stop(true));
1851
1852            ui_files.push((settings_ui_file, focus_handle));
1853        }
1854
1855        self.worktree_root_dirs.extend(missing_worktrees);
1856
1857        self.files = ui_files;
1858        let current_file_still_exists = self
1859            .files
1860            .iter()
1861            .any(|(file, _)| file == &self.current_file);
1862        if !current_file_still_exists {
1863            self.change_file(0, window, cx);
1864        }
1865    }
1866
1867    fn open_navbar_entry_page(&mut self, navbar_entry: usize) {
1868        if !self.is_nav_entry_visible(navbar_entry) {
1869            self.open_first_nav_page();
1870        }
1871
1872        let is_new_page = self.navbar_entries[self.navbar_entry].page_index
1873            != self.navbar_entries[navbar_entry].page_index;
1874        self.navbar_entry = navbar_entry;
1875
1876        // We only need to reset visible items when updating matches
1877        // and selecting a new page
1878        if is_new_page {
1879            self.reset_list_state();
1880        }
1881
1882        sub_page_stack_mut().clear();
1883    }
1884
1885    fn open_first_nav_page(&mut self) {
1886        let Some(first_navbar_entry_index) = self.visible_navbar_entries().next().map(|e| e.0)
1887        else {
1888            return;
1889        };
1890        self.open_navbar_entry_page(first_navbar_entry_index);
1891    }
1892
1893    fn change_file(&mut self, ix: usize, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1894        if ix >= self.files.len() {
1895            self.current_file = SettingsUiFile::User;
1896            self.build_ui(window, cx);
1897            return;
1898        }
1899
1900        if self.files[ix].0 == self.current_file {
1901            return;
1902        }
1903        self.current_file = self.files[ix].0.clone();
1904
1905        self.build_ui(window, cx);
1906
1907        if self
1908            .visible_navbar_entries()
1909            .any(|(index, _)| index == self.navbar_entry)
1910        {
1911            self.open_and_scroll_to_navbar_entry(self.navbar_entry, None, true, window, cx);
1912        } else {
1913            self.open_first_nav_page();
1914        };
1915    }
1916
1917    fn render_files_header(
1918        &self,
1919        window: &mut Window,
1920        cx: &mut Context<SettingsWindow>,
1921    ) -> impl IntoElement {
1922        static OVERFLOW_LIMIT: usize = 1;
1923
1924        let file_button =
1925            |ix, file: &SettingsUiFile, focus_handle, cx: &mut Context<SettingsWindow>| {
1926                Button::new(
1927                    ix,
1928                    self.display_name(&file)
1929                        .expect("Files should always have a name"),
1930                )
1931                .toggle_state(file == &self.current_file)
1932                .selected_style(ButtonStyle::Tinted(ui::TintColor::Accent))
1933                .track_focus(focus_handle)
1934                .on_click(cx.listener({
1935                    let focus_handle = focus_handle.clone();
1936                    move |this, _: &gpui::ClickEvent, window, cx| {
1937                        this.change_file(ix, window, cx);
1938                        focus_handle.focus(window);
1939                    }
1940                }))
1941            };
1942
1943        let this = cx.entity();
1944
1945        h_flex()
1946            .w_full()
1947            .pb_4()
1948            .gap_1()
1949            .justify_between()
1950            .track_focus(&self.files_focus_handle)
1951            .tab_group()
1952            .tab_index(HEADER_GROUP_TAB_INDEX)
1953            .child(
1954                h_flex()
1955                    .gap_1()
1956                    .children(
1957                        self.files.iter().enumerate().take(OVERFLOW_LIMIT).map(
1958                            |(ix, (file, focus_handle))| file_button(ix, file, focus_handle, cx),
1959                        ),
1960                    )
1961                    .when(self.files.len() > OVERFLOW_LIMIT, |div| {
1962                        let selected_file_ix = self
1963                            .files
1964                            .iter()
1965                            .enumerate()
1966                            .skip(OVERFLOW_LIMIT)
1967                            .find_map(|(ix, (file, _))| {
1968                                if file == &self.current_file {
1969                                    Some(ix)
1970                                } else {
1971                                    None
1972                                }
1973                            })
1974                            .unwrap_or(OVERFLOW_LIMIT);
1975
1976                        let (file, focus_handle) = &self.files[selected_file_ix];
1977
1978                        div.child(file_button(selected_file_ix, file, focus_handle, cx))
1979                            .when(self.files.len() > OVERFLOW_LIMIT + 1, |div| {
1980                                div.child(
1981                                    DropdownMenu::new(
1982                                        "more-files",
1983                                        format!("+{}", self.files.len() - (OVERFLOW_LIMIT + 1)),
1984                                        ContextMenu::build(window, cx, move |mut menu, _, _| {
1985                                            for (mut ix, (file, focus_handle)) in self
1986                                                .files
1987                                                .iter()
1988                                                .enumerate()
1989                                                .skip(OVERFLOW_LIMIT + 1)
1990                                            {
1991                                                let (display_name, focus_handle) =
1992                                                    if selected_file_ix == ix {
1993                                                        ix = OVERFLOW_LIMIT;
1994                                                        (
1995                                                            self.display_name(&self.files[ix].0),
1996                                                            self.files[ix].1.clone(),
1997                                                        )
1998                                                    } else {
1999                                                        (
2000                                                            self.display_name(&file),
2001                                                            focus_handle.clone(),
2002                                                        )
2003                                                    };
2004
2005                                                menu = menu.entry(
2006                                                    display_name
2007                                                        .expect("Files should always have a name"),
2008                                                    None,
2009                                                    {
2010                                                        let this = this.clone();
2011                                                        move |window, cx| {
2012                                                            this.update(cx, |this, cx| {
2013                                                                this.change_file(ix, window, cx);
2014                                                            });
2015                                                            focus_handle.focus(window);
2016                                                        }
2017                                                    },
2018                                                );
2019                                            }
2020
2021                                            menu
2022                                        }),
2023                                    )
2024                                    .style(DropdownStyle::Subtle)
2025                                    .trigger_tooltip(Tooltip::text("View Other Projects"))
2026                                    .trigger_icon(IconName::ChevronDown)
2027                                    .attach(gpui::Corner::BottomLeft)
2028                                    .offset(gpui::Point {
2029                                        x: px(0.0),
2030                                        y: px(2.0),
2031                                    })
2032                                    .tab_index(0),
2033                                )
2034                            })
2035                    }),
2036            )
2037            .child(
2038                Button::new("edit-in-json", "Edit in settings.json")
2039                    .tab_index(0_isize)
2040                    .style(ButtonStyle::OutlinedGhost)
2041                    .on_click(cx.listener(|this, _, _, cx| {
2042                        this.open_current_settings_file(cx);
2043                    })),
2044            )
2045    }
2046
2047    pub(crate) fn display_name(&self, file: &SettingsUiFile) -> Option<String> {
2048        match file {
2049            SettingsUiFile::User => Some("User".to_string()),
2050            SettingsUiFile::Project((worktree_id, path)) => self
2051                .worktree_root_dirs
2052                .get(&worktree_id)
2053                .map(|directory_name| {
2054                    let path_style = PathStyle::local();
2055                    if path.is_empty() {
2056                        directory_name.clone()
2057                    } else {
2058                        format!(
2059                            "{}{}{}",
2060                            directory_name,
2061                            path_style.separator(),
2062                            path.display(path_style)
2063                        )
2064                    }
2065                }),
2066            SettingsUiFile::Server(file) => Some(file.to_string()),
2067        }
2068    }
2069
2070    // TODO:
2071    //  Reconsider this after preview launch
2072    // fn file_location_str(&self) -> String {
2073    //     match &self.current_file {
2074    //         SettingsUiFile::User => "settings.json".to_string(),
2075    //         SettingsUiFile::Project((worktree_id, path)) => self
2076    //             .worktree_root_dirs
2077    //             .get(&worktree_id)
2078    //             .map(|directory_name| {
2079    //                 let path_style = PathStyle::local();
2080    //                 let file_path = path.join(paths::local_settings_file_relative_path());
2081    //                 format!(
2082    //                     "{}{}{}",
2083    //                     directory_name,
2084    //                     path_style.separator(),
2085    //                     file_path.display(path_style)
2086    //                 )
2087    //             })
2088    //             .expect("Current file should always be present in root dir map"),
2089    //         SettingsUiFile::Server(file) => file.to_string(),
2090    //     }
2091    // }
2092
2093    fn render_search(&self, _window: &mut Window, cx: &mut App) -> Div {
2094        h_flex()
2095            .py_1()
2096            .px_1p5()
2097            .mb_3()
2098            .gap_1p5()
2099            .rounded_sm()
2100            .bg(cx.theme().colors().editor_background)
2101            .border_1()
2102            .border_color(cx.theme().colors().border)
2103            .child(Icon::new(IconName::MagnifyingGlass).color(Color::Muted))
2104            .child(self.search_bar.clone())
2105    }
2106
2107    fn render_nav(
2108        &self,
2109        window: &mut Window,
2110        cx: &mut Context<SettingsWindow>,
2111    ) -> impl IntoElement {
2112        let visible_count = self.visible_navbar_entries().count();
2113
2114        let focus_keybind_label = if self
2115            .navbar_focus_handle
2116            .read(cx)
2117            .handle
2118            .contains_focused(window, cx)
2119            || self
2120                .visible_navbar_entries()
2121                .any(|(_, entry)| entry.focus_handle.is_focused(window))
2122        {
2123            "Focus Content"
2124        } else {
2125            "Focus Navbar"
2126        };
2127
2128        v_flex()
2129            .key_context("NavigationMenu")
2130            .on_action(cx.listener(|this, _: &CollapseNavEntry, window, cx| {
2131                let Some(focused_entry) = this.focused_nav_entry(window, cx) else {
2132                    return;
2133                };
2134                let focused_entry_parent = this.root_entry_containing(focused_entry);
2135                if this.navbar_entries[focused_entry_parent].expanded {
2136                    this.toggle_navbar_entry(focused_entry_parent);
2137                    window.focus(&this.navbar_entries[focused_entry_parent].focus_handle);
2138                }
2139                cx.notify();
2140            }))
2141            .on_action(cx.listener(|this, _: &ExpandNavEntry, window, cx| {
2142                let Some(focused_entry) = this.focused_nav_entry(window, cx) else {
2143                    return;
2144                };
2145                if !this.navbar_entries[focused_entry].is_root {
2146                    return;
2147                }
2148                if !this.navbar_entries[focused_entry].expanded {
2149                    this.toggle_navbar_entry(focused_entry);
2150                }
2151                cx.notify();
2152            }))
2153            .on_action(
2154                cx.listener(|this, _: &FocusPreviousRootNavEntry, window, cx| {
2155                    let entry_index = this
2156                        .focused_nav_entry(window, cx)
2157                        .unwrap_or(this.navbar_entry);
2158                    let mut root_index = None;
2159                    for (index, entry) in this.visible_navbar_entries() {
2160                        if index >= entry_index {
2161                            break;
2162                        }
2163                        if entry.is_root {
2164                            root_index = Some(index);
2165                        }
2166                    }
2167                    let Some(previous_root_index) = root_index else {
2168                        return;
2169                    };
2170                    this.focus_and_scroll_to_nav_entry(previous_root_index, window, cx);
2171                }),
2172            )
2173            .on_action(cx.listener(|this, _: &FocusNextRootNavEntry, window, cx| {
2174                let entry_index = this
2175                    .focused_nav_entry(window, cx)
2176                    .unwrap_or(this.navbar_entry);
2177                let mut root_index = None;
2178                for (index, entry) in this.visible_navbar_entries() {
2179                    if index <= entry_index {
2180                        continue;
2181                    }
2182                    if entry.is_root {
2183                        root_index = Some(index);
2184                        break;
2185                    }
2186                }
2187                let Some(next_root_index) = root_index else {
2188                    return;
2189                };
2190                this.focus_and_scroll_to_nav_entry(next_root_index, window, cx);
2191            }))
2192            .on_action(cx.listener(|this, _: &FocusFirstNavEntry, window, cx| {
2193                if let Some((first_entry_index, _)) = this.visible_navbar_entries().next() {
2194                    this.focus_and_scroll_to_nav_entry(first_entry_index, window, cx);
2195                }
2196            }))
2197            .on_action(cx.listener(|this, _: &FocusLastNavEntry, window, cx| {
2198                if let Some((last_entry_index, _)) = this.visible_navbar_entries().last() {
2199                    this.focus_and_scroll_to_nav_entry(last_entry_index, window, cx);
2200                }
2201            }))
2202            .on_action(cx.listener(|this, _: &FocusNextNavEntry, window, cx| {
2203                let entry_index = this
2204                    .focused_nav_entry(window, cx)
2205                    .unwrap_or(this.navbar_entry);
2206                let mut next_index = None;
2207                for (index, _) in this.visible_navbar_entries() {
2208                    if index > entry_index {
2209                        next_index = Some(index);
2210                        break;
2211                    }
2212                }
2213                let Some(next_entry_index) = next_index else {
2214                    return;
2215                };
2216                this.open_and_scroll_to_navbar_entry(
2217                    next_entry_index,
2218                    Some(gpui::ScrollStrategy::Bottom),
2219                    false,
2220                    window,
2221                    cx,
2222                );
2223            }))
2224            .on_action(cx.listener(|this, _: &FocusPreviousNavEntry, window, cx| {
2225                let entry_index = this
2226                    .focused_nav_entry(window, cx)
2227                    .unwrap_or(this.navbar_entry);
2228                let mut prev_index = None;
2229                for (index, _) in this.visible_navbar_entries() {
2230                    if index >= entry_index {
2231                        break;
2232                    }
2233                    prev_index = Some(index);
2234                }
2235                let Some(prev_entry_index) = prev_index else {
2236                    return;
2237                };
2238                this.open_and_scroll_to_navbar_entry(
2239                    prev_entry_index,
2240                    Some(gpui::ScrollStrategy::Top),
2241                    false,
2242                    window,
2243                    cx,
2244                );
2245            }))
2246            .w_56()
2247            .h_full()
2248            .p_2p5()
2249            .when(cfg!(target_os = "macos"), |this| this.pt_10())
2250            .flex_none()
2251            .border_r_1()
2252            .border_color(cx.theme().colors().border)
2253            .bg(cx.theme().colors().panel_background)
2254            .child(self.render_search(window, cx))
2255            .child(
2256                v_flex()
2257                    .flex_1()
2258                    .overflow_hidden()
2259                    .track_focus(&self.navbar_focus_handle.focus_handle(cx))
2260                    .tab_group()
2261                    .tab_index(NAVBAR_GROUP_TAB_INDEX)
2262                    .child(
2263                        uniform_list(
2264                            "settings-ui-nav-bar",
2265                            visible_count + 1,
2266                            cx.processor(move |this, range: Range<usize>, _, cx| {
2267                                this.visible_navbar_entries()
2268                                    .skip(range.start.saturating_sub(1))
2269                                    .take(range.len())
2270                                    .map(|(entry_index, entry)| {
2271                                        TreeViewItem::new(
2272                                            ("settings-ui-navbar-entry", entry_index),
2273                                            entry.title,
2274                                        )
2275                                        .track_focus(&entry.focus_handle)
2276                                        .root_item(entry.is_root)
2277                                        .toggle_state(this.is_navbar_entry_selected(entry_index))
2278                                        .when(entry.is_root, |item| {
2279                                            item.expanded(entry.expanded || this.has_query)
2280                                                .on_toggle(cx.listener(
2281                                                    move |this, _, window, cx| {
2282                                                        this.toggle_navbar_entry(entry_index);
2283                                                        window.focus(
2284                                                            &this.navbar_entries[entry_index]
2285                                                                .focus_handle,
2286                                                        );
2287                                                        cx.notify();
2288                                                    },
2289                                                ))
2290                                        })
2291                                        .on_click(
2292                                            cx.listener(move |this, _, window, cx| {
2293                                                this.open_and_scroll_to_navbar_entry(
2294                                                    entry_index,
2295                                                    None,
2296                                                    true,
2297                                                    window,
2298                                                    cx,
2299                                                );
2300                                            }),
2301                                        )
2302                                    })
2303                                    .collect()
2304                            }),
2305                        )
2306                        .size_full()
2307                        .track_scroll(self.navbar_scroll_handle.clone()),
2308                    )
2309                    .vertical_scrollbar_for(self.navbar_scroll_handle.clone(), window, cx),
2310            )
2311            .child(
2312                h_flex()
2313                    .w_full()
2314                    .h_8()
2315                    .p_2()
2316                    .pb_0p5()
2317                    .flex_shrink_0()
2318                    .border_t_1()
2319                    .border_color(cx.theme().colors().border_variant)
2320                    .child(
2321                        KeybindingHint::new(
2322                            KeyBinding::for_action_in(
2323                                &ToggleFocusNav,
2324                                &self.navbar_focus_handle.focus_handle(cx),
2325                                cx,
2326                            ),
2327                            cx.theme().colors().surface_background.opacity(0.5),
2328                        )
2329                        .suffix(focus_keybind_label),
2330                    ),
2331            )
2332    }
2333
2334    fn open_and_scroll_to_navbar_entry(
2335        &mut self,
2336        navbar_entry_index: usize,
2337        scroll_strategy: Option<gpui::ScrollStrategy>,
2338        focus_content: bool,
2339        window: &mut Window,
2340        cx: &mut Context<Self>,
2341    ) {
2342        self.open_navbar_entry_page(navbar_entry_index);
2343        cx.notify();
2344
2345        let mut handle_to_focus = None;
2346
2347        if self.navbar_entries[navbar_entry_index].is_root
2348            || !self.is_nav_entry_visible(navbar_entry_index)
2349        {
2350            self.sub_page_scroll_handle
2351                .set_offset(point(px(0.), px(0.)));
2352            if focus_content {
2353                let Some(first_item_index) =
2354                    self.visible_page_items().next().map(|(index, _)| index)
2355                else {
2356                    return;
2357                };
2358                handle_to_focus = Some(self.focus_handle_for_content_element(first_item_index, cx));
2359            } else if !self.is_nav_entry_visible(navbar_entry_index) {
2360                let Some(first_visible_nav_entry_index) =
2361                    self.visible_navbar_entries().next().map(|(index, _)| index)
2362                else {
2363                    return;
2364                };
2365                self.focus_and_scroll_to_nav_entry(first_visible_nav_entry_index, window, cx);
2366            } else {
2367                handle_to_focus =
2368                    Some(self.navbar_entries[navbar_entry_index].focus_handle.clone());
2369            }
2370        } else {
2371            let entry_item_index = self.navbar_entries[navbar_entry_index]
2372                .item_index
2373                .expect("Non-root items should have an item index");
2374            self.scroll_to_content_item(entry_item_index, window, cx);
2375            if focus_content {
2376                handle_to_focus = Some(self.focus_handle_for_content_element(entry_item_index, cx));
2377            } else {
2378                handle_to_focus =
2379                    Some(self.navbar_entries[navbar_entry_index].focus_handle.clone());
2380            }
2381        }
2382
2383        if let Some(scroll_strategy) = scroll_strategy
2384            && let Some(logical_entry_index) = self
2385                .visible_navbar_entries()
2386                .into_iter()
2387                .position(|(index, _)| index == navbar_entry_index)
2388        {
2389            self.navbar_scroll_handle
2390                .scroll_to_item(logical_entry_index + 1, scroll_strategy);
2391        }
2392
2393        // Page scroll handle updates the active item index
2394        // in it's next paint call after using scroll_handle.scroll_to_top_of_item
2395        // The call after that updates the offset of the scroll handle. So to
2396        // ensure the scroll handle doesn't lag behind we need to render three frames
2397        // back to back.
2398        cx.on_next_frame(window, move |_, window, cx| {
2399            if let Some(handle) = handle_to_focus.as_ref() {
2400                window.focus(handle);
2401            }
2402
2403            cx.on_next_frame(window, |_, _, cx| {
2404                cx.notify();
2405            });
2406            cx.notify();
2407        });
2408        cx.notify();
2409    }
2410
2411    fn scroll_to_content_item(
2412        &self,
2413        content_item_index: usize,
2414        _window: &mut Window,
2415        cx: &mut Context<Self>,
2416    ) {
2417        let index = self
2418            .visible_page_items()
2419            .position(|(index, _)| index == content_item_index)
2420            .unwrap_or(0);
2421        if index == 0 {
2422            self.sub_page_scroll_handle
2423                .set_offset(point(px(0.), px(0.)));
2424            self.list_state.scroll_to(gpui::ListOffset {
2425                item_ix: 0,
2426                offset_in_item: px(0.),
2427            });
2428            return;
2429        }
2430        self.list_state.scroll_to(gpui::ListOffset {
2431            item_ix: index + 1,
2432            offset_in_item: px(0.),
2433        });
2434        cx.notify();
2435    }
2436
2437    fn is_nav_entry_visible(&self, nav_entry_index: usize) -> bool {
2438        self.visible_navbar_entries()
2439            .any(|(index, _)| index == nav_entry_index)
2440    }
2441
2442    fn focus_and_scroll_to_first_visible_nav_entry(
2443        &self,
2444        window: &mut Window,
2445        cx: &mut Context<Self>,
2446    ) {
2447        if let Some(nav_entry_index) = self.visible_navbar_entries().next().map(|(index, _)| index)
2448        {
2449            self.focus_and_scroll_to_nav_entry(nav_entry_index, window, cx);
2450        }
2451    }
2452
2453    fn focus_and_scroll_to_nav_entry(
2454        &self,
2455        nav_entry_index: usize,
2456        window: &mut Window,
2457        cx: &mut Context<Self>,
2458    ) {
2459        let Some(position) = self
2460            .visible_navbar_entries()
2461            .position(|(index, _)| index == nav_entry_index)
2462        else {
2463            return;
2464        };
2465        self.navbar_scroll_handle
2466            .scroll_to_item(position, gpui::ScrollStrategy::Top);
2467        window.focus(&self.navbar_entries[nav_entry_index].focus_handle);
2468        cx.notify();
2469    }
2470
2471    fn visible_page_items(&self) -> impl Iterator<Item = (usize, &SettingsPageItem)> {
2472        let page_idx = self.current_page_index();
2473
2474        self.current_page()
2475            .items
2476            .iter()
2477            .enumerate()
2478            .filter_map(move |(item_index, item)| {
2479                self.filter_table[page_idx][item_index].then_some((item_index, item))
2480            })
2481    }
2482
2483    fn render_sub_page_breadcrumbs(&self) -> impl IntoElement {
2484        let mut items = vec![];
2485        items.push(self.current_page().title.into());
2486        items.extend(
2487            sub_page_stack()
2488                .iter()
2489                .flat_map(|page| [page.section_header.into(), page.link.title.clone()]),
2490        );
2491
2492        let last = items.pop().unwrap();
2493        h_flex()
2494            .gap_1()
2495            .children(
2496                items
2497                    .into_iter()
2498                    .flat_map(|item| [item, "/".into()])
2499                    .map(|item| Label::new(item).color(Color::Muted)),
2500            )
2501            .child(Label::new(last))
2502    }
2503
2504    fn render_empty_state(&self, search_query: SharedString) -> impl IntoElement {
2505        v_flex()
2506            .size_full()
2507            .items_center()
2508            .justify_center()
2509            .gap_1()
2510            .child(Label::new("No Results"))
2511            .child(
2512                Label::new(search_query)
2513                    .size(LabelSize::Small)
2514                    .color(Color::Muted),
2515            )
2516    }
2517
2518    fn render_page_items(
2519        &mut self,
2520        page_index: usize,
2521        _window: &mut Window,
2522        cx: &mut Context<SettingsWindow>,
2523    ) -> impl IntoElement {
2524        let mut page_content = v_flex().id("settings-ui-page").size_full();
2525
2526        let has_active_search = !self.search_bar.read(cx).is_empty(cx);
2527        let has_no_results = self.visible_page_items().next().is_none() && has_active_search;
2528
2529        if has_no_results {
2530            let search_query = self.search_bar.read(cx).text(cx);
2531            page_content = page_content.child(
2532                self.render_empty_state(format!("No settings match \"{}\"", search_query).into()),
2533            )
2534        } else {
2535            let last_non_header_index = self
2536                .visible_page_items()
2537                .filter_map(|(index, item)| {
2538                    (!matches!(item, SettingsPageItem::SectionHeader(_))).then_some(index)
2539                })
2540                .last();
2541
2542            let root_nav_label = self
2543                .navbar_entries
2544                .iter()
2545                .find(|entry| entry.is_root && entry.page_index == self.current_page_index())
2546                .map(|entry| entry.title);
2547
2548            let list_content = list(
2549                self.list_state.clone(),
2550                cx.processor(move |this, index, window, cx| {
2551                    if index == 0 {
2552                        return div()
2553                            .when(sub_page_stack().is_empty(), |this| {
2554                                this.when_some(root_nav_label, |this, title| {
2555                                    this.child(
2556                                        Label::new(title).size(LabelSize::Large).mt_2().mb_3(),
2557                                    )
2558                                })
2559                            })
2560                            .into_any_element();
2561                    }
2562
2563                    let mut visible_items = this.visible_page_items();
2564                    let Some((actual_item_index, item)) = visible_items.nth(index - 1) else {
2565                        return gpui::Empty.into_any_element();
2566                    };
2567
2568                    let no_bottom_border = visible_items
2569                        .next()
2570                        .map(|(_, item)| matches!(item, SettingsPageItem::SectionHeader(_)))
2571                        .unwrap_or(false);
2572
2573                    let is_last = Some(actual_item_index) == last_non_header_index;
2574
2575                    let item_focus_handle =
2576                        this.content_handles[page_index][actual_item_index].focus_handle(cx);
2577
2578                    v_flex()
2579                        .id(("settings-page-item", actual_item_index))
2580                        .w_full()
2581                        .min_w_0()
2582                        .track_focus(&item_focus_handle)
2583                        .child(item.render(
2584                            this,
2585                            actual_item_index,
2586                            no_bottom_border || is_last,
2587                            window,
2588                            cx,
2589                        ))
2590                        .into_any_element()
2591                }),
2592            );
2593
2594            page_content = page_content.child(list_content.size_full())
2595        }
2596        page_content
2597    }
2598
2599    fn render_sub_page_items<'a, Items: Iterator<Item = (usize, &'a SettingsPageItem)>>(
2600        &self,
2601        items: Items,
2602        page_index: Option<usize>,
2603        window: &mut Window,
2604        cx: &mut Context<SettingsWindow>,
2605    ) -> impl IntoElement {
2606        let mut page_content = v_flex()
2607            .id("settings-ui-page")
2608            .size_full()
2609            .overflow_y_scroll()
2610            .track_scroll(&self.sub_page_scroll_handle);
2611
2612        let items: Vec<_> = items.collect();
2613        let items_len = items.len();
2614        let mut section_header = None;
2615
2616        let has_active_search = !self.search_bar.read(cx).is_empty(cx);
2617        let has_no_results = items_len == 0 && has_active_search;
2618
2619        if has_no_results {
2620            let search_query = self.search_bar.read(cx).text(cx);
2621            page_content = page_content.child(
2622                self.render_empty_state(format!("No settings match \"{}\"", search_query).into()),
2623            )
2624        } else {
2625            let last_non_header_index = items
2626                .iter()
2627                .enumerate()
2628                .rev()
2629                .find(|(_, (_, item))| !matches!(item, SettingsPageItem::SectionHeader(_)))
2630                .map(|(index, _)| index);
2631
2632            let root_nav_label = self
2633                .navbar_entries
2634                .iter()
2635                .find(|entry| entry.is_root && entry.page_index == self.current_page_index())
2636                .map(|entry| entry.title);
2637
2638            page_content = page_content
2639                .when(sub_page_stack().is_empty(), |this| {
2640                    this.when_some(root_nav_label, |this, title| {
2641                        this.child(Label::new(title).size(LabelSize::Large).mt_2().mb_3())
2642                    })
2643                })
2644                .children(items.clone().into_iter().enumerate().map(
2645                    |(index, (actual_item_index, item))| {
2646                        let no_bottom_border = items
2647                            .get(index + 1)
2648                            .map(|(_, next_item)| {
2649                                matches!(next_item, SettingsPageItem::SectionHeader(_))
2650                            })
2651                            .unwrap_or(false);
2652                        let is_last = Some(index) == last_non_header_index;
2653
2654                        if let SettingsPageItem::SectionHeader(header) = item {
2655                            section_header = Some(*header);
2656                        }
2657                        v_flex()
2658                            .w_full()
2659                            .min_w_0()
2660                            .id(("settings-page-item", actual_item_index))
2661                            .when_some(page_index, |element, page_index| {
2662                                element.track_focus(
2663                                    &self.content_handles[page_index][actual_item_index]
2664                                        .focus_handle(cx),
2665                                )
2666                            })
2667                            .child(item.render(
2668                                self,
2669                                actual_item_index,
2670                                no_bottom_border || is_last,
2671                                window,
2672                                cx,
2673                            ))
2674                    },
2675                ))
2676        }
2677        page_content
2678    }
2679
2680    fn render_page(
2681        &mut self,
2682        window: &mut Window,
2683        cx: &mut Context<SettingsWindow>,
2684    ) -> impl IntoElement {
2685        let page_header;
2686        let page_content;
2687
2688        if sub_page_stack().is_empty() {
2689            page_header = self.render_files_header(window, cx).into_any_element();
2690
2691            page_content = self
2692                .render_page_items(self.current_page_index(), window, cx)
2693                .into_any_element();
2694        } else {
2695            page_header = h_flex()
2696                .ml_neg_1p5()
2697                .pb_4()
2698                .gap_1()
2699                .child(
2700                    IconButton::new("back-btn", IconName::ArrowLeft)
2701                        .icon_size(IconSize::Small)
2702                        .shape(IconButtonShape::Square)
2703                        .on_click(cx.listener(|this, _, _, cx| {
2704                            this.pop_sub_page(cx);
2705                        })),
2706                )
2707                .child(self.render_sub_page_breadcrumbs())
2708                .into_any_element();
2709
2710            let active_page_render_fn = sub_page_stack().last().unwrap().link.render.clone();
2711            page_content = (active_page_render_fn)(self, window, cx);
2712        }
2713
2714        let mut warning_banner = gpui::Empty.into_any_element();
2715        if let Some(error) =
2716            SettingsStore::global(cx).error_for_file(self.current_file.to_settings())
2717        {
2718            warning_banner = v_flex()
2719                .pb_4()
2720                .child(
2721                    Banner::new()
2722                        .severity(Severity::Warning)
2723                        .child(
2724                            v_flex()
2725                                .my_0p5()
2726                                .gap_0p5()
2727                                .child(Label::new("Your settings file is in an invalid state."))
2728                                .child(
2729                                    Label::new(error).size(LabelSize::Small).color(Color::Muted),
2730                                ),
2731                        )
2732                        .action_slot(
2733                            div().pr_1().child(
2734                                Button::new("fix-in-json", "Fix in settings.json")
2735                                    .tab_index(0_isize)
2736                                    .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2737                                    .on_click(cx.listener(|this, _, _, cx| {
2738                                        this.open_current_settings_file(cx);
2739                                    })),
2740                            ),
2741                        ),
2742                )
2743                .into_any_element()
2744        }
2745
2746        return v_flex()
2747            .id("Settings-ui-page")
2748            .on_action(cx.listener(|this, _: &menu::SelectNext, window, cx| {
2749                if !sub_page_stack().is_empty() {
2750                    window.focus_next();
2751                    return;
2752                }
2753                for (logical_index, (actual_index, _)) in this.visible_page_items().enumerate() {
2754                    let handle = this.content_handles[this.current_page_index()][actual_index]
2755                        .focus_handle(cx);
2756                    let mut offset = 1; // for page header
2757
2758                    if let Some((_, next_item)) = this.visible_page_items().nth(logical_index + 1)
2759                        && matches!(next_item, SettingsPageItem::SectionHeader(_))
2760                    {
2761                        offset += 1;
2762                    }
2763                    if handle.contains_focused(window, cx) {
2764                        let next_logical_index = logical_index + offset + 1;
2765                        this.list_state.scroll_to_reveal_item(next_logical_index);
2766                        // We need to render the next item to ensure it's focus handle is in the element tree
2767                        cx.on_next_frame(window, |_, window, cx| {
2768                            window.focus_next();
2769                            cx.notify();
2770                        });
2771                        cx.notify();
2772                        return;
2773                    }
2774                }
2775                window.focus_next();
2776            }))
2777            .on_action(cx.listener(|this, _: &menu::SelectPrevious, window, cx| {
2778                if !sub_page_stack().is_empty() {
2779                    window.focus_prev();
2780                    return;
2781                }
2782                let mut prev_was_header = false;
2783                for (logical_index, (actual_index, item)) in this.visible_page_items().enumerate() {
2784                    let is_header = matches!(item, SettingsPageItem::SectionHeader(_));
2785                    let handle = this.content_handles[this.current_page_index()][actual_index]
2786                        .focus_handle(cx);
2787                    let mut offset = 1; // for page header
2788
2789                    if prev_was_header {
2790                        offset -= 1;
2791                    }
2792                    if handle.contains_focused(window, cx) {
2793                        let next_logical_index = logical_index + offset - 1;
2794                        this.list_state.scroll_to_reveal_item(next_logical_index);
2795                        // We need to render the next item to ensure it's focus handle is in the element tree
2796                        cx.on_next_frame(window, |_, window, cx| {
2797                            window.focus_prev();
2798                            cx.notify();
2799                        });
2800                        cx.notify();
2801                        return;
2802                    }
2803                    prev_was_header = is_header;
2804                }
2805                window.focus_prev();
2806            }))
2807            .when(sub_page_stack().is_empty(), |this| {
2808                this.vertical_scrollbar_for(self.list_state.clone(), window, cx)
2809            })
2810            .when(!sub_page_stack().is_empty(), |this| {
2811                this.vertical_scrollbar_for(self.sub_page_scroll_handle.clone(), window, cx)
2812            })
2813            .track_focus(&self.content_focus_handle.focus_handle(cx))
2814            .flex_1()
2815            .pt_6()
2816            // .px_8()
2817            .bg(cx.theme().colors().editor_background)
2818            .child(warning_banner)
2819            .child(page_header)
2820            .child(
2821                div()
2822                    .px_8()
2823                    // .debug_bg_red()
2824                    .size_full()
2825                    .tab_group()
2826                    .tab_index(CONTENT_GROUP_TAB_INDEX)
2827                    .child(page_content),
2828            );
2829    }
2830
2831    /// This function will create a new settings file if one doesn't exist
2832    /// if the current file is a project settings with a valid worktree id
2833    /// We do this because the settings ui allows initializing project settings
2834    fn open_current_settings_file(&mut self, cx: &mut Context<Self>) {
2835        match &self.current_file {
2836            SettingsUiFile::User => {
2837                let Some(original_window) = self.original_window else {
2838                    return;
2839                };
2840                original_window
2841                    .update(cx, |workspace, window, cx| {
2842                        workspace
2843                            .with_local_workspace(window, cx, |workspace, window, cx| {
2844                                let create_task = workspace.project().update(cx, |project, cx| {
2845                                    project.find_or_create_worktree(
2846                                        paths::config_dir().as_path(),
2847                                        false,
2848                                        cx,
2849                                    )
2850                                });
2851                                let open_task = workspace.open_paths(
2852                                    vec![paths::settings_file().to_path_buf()],
2853                                    OpenOptions {
2854                                        visible: Some(OpenVisible::None),
2855                                        ..Default::default()
2856                                    },
2857                                    None,
2858                                    window,
2859                                    cx,
2860                                );
2861
2862                                cx.spawn_in(window, async move |workspace, cx| {
2863                                    create_task.await.ok();
2864                                    open_task.await;
2865
2866                                    workspace.update_in(cx, |_, window, cx| {
2867                                        window.activate_window();
2868                                        cx.notify();
2869                                    })
2870                                })
2871                                .detach();
2872                            })
2873                            .detach();
2874                    })
2875                    .ok();
2876            }
2877            SettingsUiFile::Project((worktree_id, path)) => {
2878                let settings_path = path.join(paths::local_settings_file_relative_path());
2879                let Some(app_state) = workspace::AppState::global(cx).upgrade() else {
2880                    return;
2881                };
2882
2883                let Some((worktree, corresponding_workspace)) = app_state
2884                    .workspace_store
2885                    .read(cx)
2886                    .workspaces()
2887                    .iter()
2888                    .find_map(|workspace| {
2889                        workspace
2890                            .read_with(cx, |workspace, cx| {
2891                                workspace
2892                                    .project()
2893                                    .read(cx)
2894                                    .worktree_for_id(*worktree_id, cx)
2895                            })
2896                            .ok()
2897                            .flatten()
2898                            .zip(Some(*workspace))
2899                    })
2900                else {
2901                    log::error!(
2902                        "No corresponding workspace contains worktree id: {}",
2903                        worktree_id
2904                    );
2905
2906                    return;
2907                };
2908
2909                let create_task = if worktree.read(cx).entry_for_path(&settings_path).is_some() {
2910                    None
2911                } else {
2912                    Some(worktree.update(cx, |tree, cx| {
2913                        tree.create_entry(
2914                            settings_path.clone(),
2915                            false,
2916                            Some("{\n\n}".as_bytes().to_vec()),
2917                            cx,
2918                        )
2919                    }))
2920                };
2921
2922                let worktree_id = *worktree_id;
2923
2924                // TODO: move zed::open_local_file() APIs to this crate, and
2925                // re-implement the "initial_contents" behavior
2926                corresponding_workspace
2927                    .update(cx, |_, window, cx| {
2928                        cx.spawn_in(window, async move |workspace, cx| {
2929                            if let Some(create_task) = create_task {
2930                                create_task.await.ok()?;
2931                            };
2932
2933                            workspace
2934                                .update_in(cx, |workspace, window, cx| {
2935                                    workspace.open_path(
2936                                        (worktree_id, settings_path.clone()),
2937                                        None,
2938                                        true,
2939                                        window,
2940                                        cx,
2941                                    )
2942                                })
2943                                .ok()?
2944                                .await
2945                                .log_err()?;
2946
2947                            workspace
2948                                .update_in(cx, |_, window, cx| {
2949                                    window.activate_window();
2950                                    cx.notify();
2951                                })
2952                                .ok();
2953
2954                            Some(())
2955                        })
2956                        .detach();
2957                    })
2958                    .ok();
2959            }
2960            SettingsUiFile::Server(_) => {
2961                return;
2962            }
2963        };
2964    }
2965
2966    fn current_page_index(&self) -> usize {
2967        self.page_index_from_navbar_index(self.navbar_entry)
2968    }
2969
2970    fn current_page(&self) -> &SettingsPage {
2971        &self.pages[self.current_page_index()]
2972    }
2973
2974    fn page_index_from_navbar_index(&self, index: usize) -> usize {
2975        if self.navbar_entries.is_empty() {
2976            return 0;
2977        }
2978
2979        self.navbar_entries[index].page_index
2980    }
2981
2982    fn is_navbar_entry_selected(&self, ix: usize) -> bool {
2983        ix == self.navbar_entry
2984    }
2985
2986    fn push_sub_page(
2987        &mut self,
2988        sub_page_link: SubPageLink,
2989        section_header: &'static str,
2990        cx: &mut Context<SettingsWindow>,
2991    ) {
2992        sub_page_stack_mut().push(SubPage {
2993            link: sub_page_link,
2994            section_header,
2995        });
2996        cx.notify();
2997    }
2998
2999    fn pop_sub_page(&mut self, cx: &mut Context<SettingsWindow>) {
3000        sub_page_stack_mut().pop();
3001        cx.notify();
3002    }
3003
3004    fn focus_file_at_index(&mut self, index: usize, window: &mut Window) {
3005        if let Some((_, handle)) = self.files.get(index) {
3006            handle.focus(window);
3007        }
3008    }
3009
3010    fn focused_file_index(&self, window: &Window, cx: &Context<Self>) -> usize {
3011        if self.files_focus_handle.contains_focused(window, cx)
3012            && let Some(index) = self
3013                .files
3014                .iter()
3015                .position(|(_, handle)| handle.is_focused(window))
3016        {
3017            return index;
3018        }
3019        if let Some(current_file_index) = self
3020            .files
3021            .iter()
3022            .position(|(file, _)| file == &self.current_file)
3023        {
3024            return current_file_index;
3025        }
3026        0
3027    }
3028
3029    fn focus_handle_for_content_element(
3030        &self,
3031        actual_item_index: usize,
3032        cx: &Context<Self>,
3033    ) -> FocusHandle {
3034        let page_index = self.current_page_index();
3035        self.content_handles[page_index][actual_item_index].focus_handle(cx)
3036    }
3037
3038    fn focused_nav_entry(&self, window: &Window, cx: &App) -> Option<usize> {
3039        if !self
3040            .navbar_focus_handle
3041            .focus_handle(cx)
3042            .contains_focused(window, cx)
3043        {
3044            return None;
3045        }
3046        for (index, entry) in self.navbar_entries.iter().enumerate() {
3047            if entry.focus_handle.is_focused(window) {
3048                return Some(index);
3049            }
3050        }
3051        None
3052    }
3053
3054    fn root_entry_containing(&self, nav_entry_index: usize) -> usize {
3055        let mut index = Some(nav_entry_index);
3056        while let Some(prev_index) = index
3057            && !self.navbar_entries[prev_index].is_root
3058        {
3059            index = prev_index.checked_sub(1);
3060        }
3061        return index.expect("No root entry found");
3062    }
3063}
3064
3065impl Render for SettingsWindow {
3066    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3067        let ui_font = theme::setup_ui_font(window, cx);
3068
3069        client_side_decorations(
3070            v_flex()
3071                .text_color(cx.theme().colors().text)
3072                .size_full()
3073                .children(self.title_bar.clone())
3074                .child(
3075                    div()
3076                        .id("settings-window")
3077                        .key_context("SettingsWindow")
3078                        .track_focus(&self.focus_handle)
3079                        .on_action(cx.listener(|this, _: &OpenCurrentFile, _, cx| {
3080                            this.open_current_settings_file(cx);
3081                        }))
3082                        .on_action(|_: &Minimize, window, _cx| {
3083                            window.minimize_window();
3084                        })
3085                        .on_action(cx.listener(|this, _: &search::FocusSearch, window, cx| {
3086                            this.search_bar.focus_handle(cx).focus(window);
3087                        }))
3088                        .on_action(cx.listener(|this, _: &ToggleFocusNav, window, cx| {
3089                            if this
3090                                .navbar_focus_handle
3091                                .focus_handle(cx)
3092                                .contains_focused(window, cx)
3093                            {
3094                                this.open_and_scroll_to_navbar_entry(
3095                                    this.navbar_entry,
3096                                    None,
3097                                    true,
3098                                    window,
3099                                    cx,
3100                                );
3101                            } else {
3102                                this.focus_and_scroll_to_nav_entry(this.navbar_entry, window, cx);
3103                            }
3104                        }))
3105                        .on_action(cx.listener(
3106                            |this, FocusFile(file_index): &FocusFile, window, _| {
3107                                this.focus_file_at_index(*file_index as usize, window);
3108                            },
3109                        ))
3110                        .on_action(cx.listener(|this, _: &FocusNextFile, window, cx| {
3111                            let next_index = usize::min(
3112                                this.focused_file_index(window, cx) + 1,
3113                                this.files.len().saturating_sub(1),
3114                            );
3115                            this.focus_file_at_index(next_index, window);
3116                        }))
3117                        .on_action(cx.listener(|this, _: &FocusPreviousFile, window, cx| {
3118                            let prev_index = this.focused_file_index(window, cx).saturating_sub(1);
3119                            this.focus_file_at_index(prev_index, window);
3120                        }))
3121                        .on_action(cx.listener(|this, _: &menu::SelectNext, window, cx| {
3122                            if this
3123                                .search_bar
3124                                .focus_handle(cx)
3125                                .contains_focused(window, cx)
3126                            {
3127                                this.focus_and_scroll_to_first_visible_nav_entry(window, cx);
3128                            } else {
3129                                window.focus_next();
3130                            }
3131                        }))
3132                        .on_action(|_: &menu::SelectPrevious, window, _| {
3133                            window.focus_prev();
3134                        })
3135                        .flex()
3136                        .flex_row()
3137                        .flex_1()
3138                        .min_h_0()
3139                        .font(ui_font)
3140                        .bg(cx.theme().colors().background)
3141                        .text_color(cx.theme().colors().text)
3142                        .when(!cfg!(target_os = "macos"), |this| {
3143                            this.border_t_1().border_color(cx.theme().colors().border)
3144                        })
3145                        .child(self.render_nav(window, cx))
3146                        .child(self.render_page(window, cx)),
3147                ),
3148            window,
3149            cx,
3150        )
3151    }
3152}
3153
3154fn all_projects(cx: &App) -> impl Iterator<Item = Entity<project::Project>> {
3155    workspace::AppState::global(cx)
3156        .upgrade()
3157        .map(|app_state| {
3158            app_state
3159                .workspace_store
3160                .read(cx)
3161                .workspaces()
3162                .iter()
3163                .filter_map(|workspace| Some(workspace.read(cx).ok()?.project().clone()))
3164        })
3165        .into_iter()
3166        .flatten()
3167}
3168
3169fn update_settings_file(
3170    file: SettingsUiFile,
3171    cx: &mut App,
3172    update: impl 'static + Send + FnOnce(&mut SettingsContent, &App),
3173) -> Result<()> {
3174    match file {
3175        SettingsUiFile::Project((worktree_id, rel_path)) => {
3176            let rel_path = rel_path.join(paths::local_settings_file_relative_path());
3177            let Some((worktree, project)) = all_projects(cx).find_map(|project| {
3178                project
3179                    .read(cx)
3180                    .worktree_for_id(worktree_id, cx)
3181                    .zip(Some(project))
3182            }) else {
3183                anyhow::bail!("Could not find project with worktree id: {}", worktree_id);
3184            };
3185
3186            project.update(cx, |project, cx| {
3187                let task = if project.contains_local_settings_file(worktree_id, &rel_path, cx) {
3188                    None
3189                } else {
3190                    Some(worktree.update(cx, |worktree, cx| {
3191                        worktree.create_entry(rel_path.clone(), false, None, cx)
3192                    }))
3193                };
3194
3195                cx.spawn(async move |project, cx| {
3196                    if let Some(task) = task
3197                        && task.await.is_err()
3198                    {
3199                        return;
3200                    };
3201
3202                    project
3203                        .update(cx, |project, cx| {
3204                            project.update_local_settings_file(worktree_id, rel_path, cx, update);
3205                        })
3206                        .ok();
3207                })
3208                .detach();
3209            });
3210
3211            return Ok(());
3212        }
3213        SettingsUiFile::User => {
3214            // todo(settings_ui) error?
3215            SettingsStore::global(cx).update_settings_file(<dyn fs::Fs>::global(cx), update);
3216            Ok(())
3217        }
3218        SettingsUiFile::Server(_) => unimplemented!(),
3219    }
3220}
3221
3222fn render_text_field<T: From<String> + Into<String> + AsRef<str> + Clone>(
3223    field: SettingField<T>,
3224    file: SettingsUiFile,
3225    metadata: Option<&SettingsFieldMetadata>,
3226    _window: &mut Window,
3227    cx: &mut App,
3228) -> AnyElement {
3229    let (_, initial_text) =
3230        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
3231    let initial_text = initial_text.filter(|s| !s.as_ref().is_empty());
3232
3233    SettingsInputField::new()
3234        .tab_index(0)
3235        .when_some(initial_text, |editor, text| {
3236            editor.with_initial_text(text.as_ref().to_string())
3237        })
3238        .when_some(
3239            metadata.and_then(|metadata| metadata.placeholder),
3240            |editor, placeholder| editor.with_placeholder(placeholder),
3241        )
3242        .on_confirm({
3243            move |new_text, cx| {
3244                update_settings_file(file.clone(), cx, move |settings, _cx| {
3245                    (field.write)(settings, new_text.map(Into::into));
3246                })
3247                .log_err(); // todo(settings_ui) don't log err
3248            }
3249        })
3250        .into_any_element()
3251}
3252
3253fn render_toggle_button<B: Into<bool> + From<bool> + Copy>(
3254    field: SettingField<B>,
3255    file: SettingsUiFile,
3256    _metadata: Option<&SettingsFieldMetadata>,
3257    _window: &mut Window,
3258    cx: &mut App,
3259) -> AnyElement {
3260    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
3261
3262    let toggle_state = if value.copied().map_or(false, Into::into) {
3263        ToggleState::Selected
3264    } else {
3265        ToggleState::Unselected
3266    };
3267
3268    Switch::new("toggle_button", toggle_state)
3269        .tab_index(0_isize)
3270        .color(SwitchColor::Accent)
3271        .on_click({
3272            move |state, _window, cx| {
3273                let state = *state == ui::ToggleState::Selected;
3274                update_settings_file(file.clone(), cx, move |settings, _cx| {
3275                    (field.write)(settings, Some(state.into()));
3276                })
3277                .log_err(); // todo(settings_ui) don't log err
3278            }
3279        })
3280        .into_any_element()
3281}
3282
3283fn render_number_field<T: NumberFieldType + Send + Sync>(
3284    field: SettingField<T>,
3285    file: SettingsUiFile,
3286    _metadata: Option<&SettingsFieldMetadata>,
3287    window: &mut Window,
3288    cx: &mut App,
3289) -> AnyElement {
3290    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
3291    let value = value.copied().unwrap_or_else(T::min_value);
3292    NumberField::new("numeric_stepper", value, window, cx)
3293        .on_change({
3294            move |value, _window, cx| {
3295                let value = *value;
3296                update_settings_file(file.clone(), cx, move |settings, _cx| {
3297                    (field.write)(settings, Some(value));
3298                })
3299                .log_err(); // todo(settings_ui) don't log err
3300            }
3301        })
3302        .into_any_element()
3303}
3304
3305fn render_dropdown<T>(
3306    field: SettingField<T>,
3307    file: SettingsUiFile,
3308    metadata: Option<&SettingsFieldMetadata>,
3309    window: &mut Window,
3310    cx: &mut App,
3311) -> AnyElement
3312where
3313    T: strum::VariantArray + strum::VariantNames + Copy + PartialEq + Send + Sync + 'static,
3314{
3315    let variants = || -> &'static [T] { <T as strum::VariantArray>::VARIANTS };
3316    let labels = || -> &'static [&'static str] { <T as strum::VariantNames>::VARIANTS };
3317    let should_do_titlecase = metadata
3318        .and_then(|metadata| metadata.should_do_titlecase)
3319        .unwrap_or(true);
3320
3321    let (_, current_value) =
3322        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
3323    let current_value = current_value.copied().unwrap_or(variants()[0]);
3324
3325    let current_value_label =
3326        labels()[variants().iter().position(|v| *v == current_value).unwrap()];
3327
3328    DropdownMenu::new(
3329        "dropdown",
3330        if should_do_titlecase {
3331            current_value_label.to_title_case()
3332        } else {
3333            current_value_label.to_string()
3334        },
3335        window.use_state(cx, |window, cx| {
3336            ContextMenu::new(window, cx, move |mut menu, _, _| {
3337                for (&value, &label) in std::iter::zip(variants(), labels()) {
3338                    let file = file.clone();
3339                    menu = menu.toggleable_entry(
3340                        if should_do_titlecase {
3341                            label.to_title_case()
3342                        } else {
3343                            label.to_string()
3344                        },
3345                        value == current_value,
3346                        IconPosition::End,
3347                        None,
3348                        move |_, cx| {
3349                            if value == current_value {
3350                                return;
3351                            }
3352                            update_settings_file(file.clone(), cx, move |settings, _cx| {
3353                                (field.write)(settings, Some(value));
3354                            })
3355                            .log_err(); // todo(settings_ui) don't log err
3356                        },
3357                    );
3358                }
3359                menu
3360            })
3361        }),
3362    )
3363    .tab_index(0)
3364    .trigger_size(ButtonSize::Medium)
3365    .style(DropdownStyle::Outlined)
3366    .offset(gpui::Point {
3367        x: px(0.0),
3368        y: px(2.0),
3369    })
3370    .into_any_element()
3371}
3372
3373fn render_picker_trigger_button(id: SharedString, label: SharedString) -> Button {
3374    Button::new(id, label)
3375        .tab_index(0_isize)
3376        .style(ButtonStyle::Outlined)
3377        .size(ButtonSize::Medium)
3378        .icon(IconName::ChevronUpDown)
3379        .icon_color(Color::Muted)
3380        .icon_size(IconSize::Small)
3381        .icon_position(IconPosition::End)
3382}
3383
3384fn render_font_picker(
3385    field: SettingField<settings::FontFamilyName>,
3386    file: SettingsUiFile,
3387    _metadata: Option<&SettingsFieldMetadata>,
3388    _window: &mut Window,
3389    cx: &mut App,
3390) -> AnyElement {
3391    let current_value = SettingsStore::global(cx)
3392        .get_value_from_file(file.to_settings(), field.pick)
3393        .1
3394        .cloned()
3395        .unwrap_or_else(|| SharedString::default().into());
3396
3397    PopoverMenu::new("font-picker")
3398        .trigger(render_picker_trigger_button(
3399            "font_family_picker_trigger".into(),
3400            current_value.clone().into(),
3401        ))
3402        .menu(move |window, cx| {
3403            let file = file.clone();
3404            let current_value = current_value.clone();
3405
3406            Some(cx.new(move |cx| {
3407                font_picker(
3408                    current_value.clone().into(),
3409                    move |font_name, cx| {
3410                        update_settings_file(file.clone(), cx, move |settings, _cx| {
3411                            (field.write)(settings, Some(font_name.into()));
3412                        })
3413                        .log_err(); // todo(settings_ui) don't log err
3414                    },
3415                    window,
3416                    cx,
3417                )
3418            }))
3419        })
3420        .anchor(gpui::Corner::TopLeft)
3421        .offset(gpui::Point {
3422            x: px(0.0),
3423            y: px(2.0),
3424        })
3425        .with_handle(ui::PopoverMenuHandle::default())
3426        .into_any_element()
3427}
3428
3429fn render_theme_picker(
3430    field: SettingField<settings::ThemeName>,
3431    file: SettingsUiFile,
3432    _metadata: Option<&SettingsFieldMetadata>,
3433    _window: &mut Window,
3434    cx: &mut App,
3435) -> AnyElement {
3436    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
3437    let current_value = value
3438        .cloned()
3439        .map(|theme_name| theme_name.0.into())
3440        .unwrap_or_else(|| cx.theme().name.clone());
3441
3442    PopoverMenu::new("theme-picker")
3443        .trigger(render_picker_trigger_button(
3444            "theme_picker_trigger".into(),
3445            current_value.clone(),
3446        ))
3447        .menu(move |window, cx| {
3448            Some(cx.new(|cx| {
3449                let file = file.clone();
3450                let current_value = current_value.clone();
3451                theme_picker(
3452                    current_value,
3453                    move |theme_name, cx| {
3454                        update_settings_file(file.clone(), cx, move |settings, _cx| {
3455                            (field.write)(settings, Some(settings::ThemeName(theme_name.into())));
3456                        })
3457                        .log_err(); // todo(settings_ui) don't log err
3458                    },
3459                    window,
3460                    cx,
3461                )
3462            }))
3463        })
3464        .anchor(gpui::Corner::TopLeft)
3465        .offset(gpui::Point {
3466            x: px(0.0),
3467            y: px(2.0),
3468        })
3469        .with_handle(ui::PopoverMenuHandle::default())
3470        .into_any_element()
3471}
3472
3473fn render_icon_theme_picker(
3474    field: SettingField<settings::IconThemeName>,
3475    file: SettingsUiFile,
3476    _metadata: Option<&SettingsFieldMetadata>,
3477    _window: &mut Window,
3478    cx: &mut App,
3479) -> AnyElement {
3480    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
3481    let current_value = value
3482        .cloned()
3483        .map(|theme_name| theme_name.0.into())
3484        .unwrap_or_else(|| cx.theme().name.clone());
3485
3486    PopoverMenu::new("icon-theme-picker")
3487        .trigger(render_picker_trigger_button(
3488            "icon_theme_picker_trigger".into(),
3489            current_value.clone(),
3490        ))
3491        .menu(move |window, cx| {
3492            Some(cx.new(|cx| {
3493                let file = file.clone();
3494                let current_value = current_value.clone();
3495                icon_theme_picker(
3496                    current_value,
3497                    move |theme_name, cx| {
3498                        update_settings_file(file.clone(), cx, move |settings, _cx| {
3499                            (field.write)(
3500                                settings,
3501                                Some(settings::IconThemeName(theme_name.into())),
3502                            );
3503                        })
3504                        .log_err(); // todo(settings_ui) don't log err
3505                    },
3506                    window,
3507                    cx,
3508                )
3509            }))
3510        })
3511        .anchor(gpui::Corner::TopLeft)
3512        .offset(gpui::Point {
3513            x: px(0.0),
3514            y: px(2.0),
3515        })
3516        .with_handle(ui::PopoverMenuHandle::default())
3517        .into_any_element()
3518}
3519
3520#[cfg(test)]
3521pub mod test {
3522
3523    use super::*;
3524
3525    impl SettingsWindow {
3526        fn navbar_entry(&self) -> usize {
3527            self.navbar_entry
3528        }
3529    }
3530
3531    impl PartialEq for NavBarEntry {
3532        fn eq(&self, other: &Self) -> bool {
3533            self.title == other.title
3534                && self.is_root == other.is_root
3535                && self.expanded == other.expanded
3536                && self.page_index == other.page_index
3537                && self.item_index == other.item_index
3538            // ignoring focus_handle
3539        }
3540    }
3541
3542    pub fn register_settings(cx: &mut App) {
3543        settings::init(cx);
3544        theme::init(theme::LoadThemes::JustBase, cx);
3545        workspace::init_settings(cx);
3546        project::Project::init_settings(cx);
3547        language::init(cx);
3548        editor::init(cx);
3549        menu::init();
3550    }
3551
3552    fn parse(input: &'static str, window: &mut Window, cx: &mut App) -> SettingsWindow {
3553        let mut pages: Vec<SettingsPage> = Vec::new();
3554        let mut expanded_pages = Vec::new();
3555        let mut selected_idx = None;
3556        let mut index = 0;
3557        let mut in_expanded_section = false;
3558
3559        for mut line in input
3560            .lines()
3561            .map(|line| line.trim())
3562            .filter(|line| !line.is_empty())
3563        {
3564            if let Some(pre) = line.strip_suffix('*') {
3565                assert!(selected_idx.is_none(), "Only one selected entry allowed");
3566                selected_idx = Some(index);
3567                line = pre;
3568            }
3569            let (kind, title) = line.split_once(" ").unwrap();
3570            assert_eq!(kind.len(), 1);
3571            let kind = kind.chars().next().unwrap();
3572            if kind == 'v' {
3573                let page_idx = pages.len();
3574                expanded_pages.push(page_idx);
3575                pages.push(SettingsPage {
3576                    title,
3577                    items: vec![],
3578                });
3579                index += 1;
3580                in_expanded_section = true;
3581            } else if kind == '>' {
3582                pages.push(SettingsPage {
3583                    title,
3584                    items: vec![],
3585                });
3586                index += 1;
3587                in_expanded_section = false;
3588            } else if kind == '-' {
3589                pages
3590                    .last_mut()
3591                    .unwrap()
3592                    .items
3593                    .push(SettingsPageItem::SectionHeader(title));
3594                if selected_idx == Some(index) && !in_expanded_section {
3595                    panic!("Items in unexpanded sections cannot be selected");
3596                }
3597                index += 1;
3598            } else {
3599                panic!(
3600                    "Entries must start with one of 'v', '>', or '-'\n line: {}",
3601                    line
3602                );
3603            }
3604        }
3605
3606        let mut settings_window = SettingsWindow {
3607            title_bar: None,
3608            original_window: None,
3609            worktree_root_dirs: HashMap::default(),
3610            files: Vec::default(),
3611            current_file: crate::SettingsUiFile::User,
3612            pages,
3613            search_bar: cx.new(|cx| Editor::single_line(window, cx)),
3614            navbar_entry: selected_idx.expect("Must have a selected navbar entry"),
3615            navbar_entries: Vec::default(),
3616            navbar_scroll_handle: UniformListScrollHandle::default(),
3617            navbar_focus_subscriptions: vec![],
3618            filter_table: vec![],
3619            has_query: false,
3620            content_handles: vec![],
3621            search_task: None,
3622            sub_page_scroll_handle: ScrollHandle::new(),
3623            focus_handle: cx.focus_handle(),
3624            navbar_focus_handle: NonFocusableHandle::new(
3625                NAVBAR_CONTAINER_TAB_INDEX,
3626                false,
3627                window,
3628                cx,
3629            ),
3630            content_focus_handle: NonFocusableHandle::new(
3631                CONTENT_CONTAINER_TAB_INDEX,
3632                false,
3633                window,
3634                cx,
3635            ),
3636            files_focus_handle: cx.focus_handle(),
3637            search_index: None,
3638            list_state: ListState::new(0, gpui::ListAlignment::Top, px(0.0)),
3639        };
3640
3641        settings_window.build_filter_table();
3642        settings_window.build_navbar(cx);
3643        for expanded_page_index in expanded_pages {
3644            for entry in &mut settings_window.navbar_entries {
3645                if entry.page_index == expanded_page_index && entry.is_root {
3646                    entry.expanded = true;
3647                }
3648            }
3649        }
3650        settings_window
3651    }
3652
3653    #[track_caller]
3654    fn check_navbar_toggle(
3655        before: &'static str,
3656        toggle_page: &'static str,
3657        after: &'static str,
3658        window: &mut Window,
3659        cx: &mut App,
3660    ) {
3661        let mut settings_window = parse(before, window, cx);
3662        let toggle_page_idx = settings_window
3663            .pages
3664            .iter()
3665            .position(|page| page.title == toggle_page)
3666            .expect("page not found");
3667        let toggle_idx = settings_window
3668            .navbar_entries
3669            .iter()
3670            .position(|entry| entry.page_index == toggle_page_idx)
3671            .expect("page not found");
3672        settings_window.toggle_navbar_entry(toggle_idx);
3673
3674        let expected_settings_window = parse(after, window, cx);
3675
3676        pretty_assertions::assert_eq!(
3677            settings_window
3678                .visible_navbar_entries()
3679                .map(|(_, entry)| entry)
3680                .collect::<Vec<_>>(),
3681            expected_settings_window
3682                .visible_navbar_entries()
3683                .map(|(_, entry)| entry)
3684                .collect::<Vec<_>>(),
3685        );
3686        pretty_assertions::assert_eq!(
3687            settings_window.navbar_entries[settings_window.navbar_entry()],
3688            expected_settings_window.navbar_entries[expected_settings_window.navbar_entry()],
3689        );
3690    }
3691
3692    macro_rules! check_navbar_toggle {
3693        ($name:ident, before: $before:expr, toggle_page: $toggle_page:expr, after: $after:expr) => {
3694            #[gpui::test]
3695            fn $name(cx: &mut gpui::TestAppContext) {
3696                let window = cx.add_empty_window();
3697                window.update(|window, cx| {
3698                    register_settings(cx);
3699                    check_navbar_toggle($before, $toggle_page, $after, window, cx);
3700                });
3701            }
3702        };
3703    }
3704
3705    check_navbar_toggle!(
3706        navbar_basic_open,
3707        before: r"
3708        v General
3709        - General
3710        - Privacy*
3711        v Project
3712        - Project Settings
3713        ",
3714        toggle_page: "General",
3715        after: r"
3716        > General*
3717        v Project
3718        - Project Settings
3719        "
3720    );
3721
3722    check_navbar_toggle!(
3723        navbar_basic_close,
3724        before: r"
3725        > General*
3726        - General
3727        - Privacy
3728        v Project
3729        - Project Settings
3730        ",
3731        toggle_page: "General",
3732        after: r"
3733        v General*
3734        - General
3735        - Privacy
3736        v Project
3737        - Project Settings
3738        "
3739    );
3740
3741    check_navbar_toggle!(
3742        navbar_basic_second_root_entry_close,
3743        before: r"
3744        > General
3745        - General
3746        - Privacy
3747        v Project
3748        - Project Settings*
3749        ",
3750        toggle_page: "Project",
3751        after: r"
3752        > General
3753        > Project*
3754        "
3755    );
3756
3757    check_navbar_toggle!(
3758        navbar_toggle_subroot,
3759        before: r"
3760        v General Page
3761        - General
3762        - Privacy
3763        v Project
3764        - Worktree Settings Content*
3765        v AI
3766        - General
3767        > Appearance & Behavior
3768        ",
3769        toggle_page: "Project",
3770        after: r"
3771        v General Page
3772        - General
3773        - Privacy
3774        > Project*
3775        v AI
3776        - General
3777        > Appearance & Behavior
3778        "
3779    );
3780
3781    check_navbar_toggle!(
3782        navbar_toggle_close_propagates_selected_index,
3783        before: r"
3784        v General Page
3785        - General
3786        - Privacy
3787        v Project
3788        - Worktree Settings Content
3789        v AI
3790        - General*
3791        > Appearance & Behavior
3792        ",
3793        toggle_page: "General Page",
3794        after: r"
3795        > General Page*
3796        v Project
3797        - Worktree Settings Content
3798        v AI
3799        - General
3800        > Appearance & Behavior
3801        "
3802    );
3803
3804    check_navbar_toggle!(
3805        navbar_toggle_expand_propagates_selected_index,
3806        before: r"
3807        > General Page
3808        - General
3809        - Privacy
3810        v Project
3811        - Worktree Settings Content
3812        v AI
3813        - General*
3814        > Appearance & Behavior
3815        ",
3816        toggle_page: "General Page",
3817        after: r"
3818        v General Page*
3819        - General
3820        - Privacy
3821        v Project
3822        - Worktree Settings Content
3823        v AI
3824        - General
3825        > Appearance & Behavior
3826        "
3827    );
3828}