settings_ui.rs

   1//! # settings_ui
   2mod components;
   3mod page_data;
   4
   5use anyhow::Result;
   6use editor::{Editor, EditorEvent};
   7use feature_flags::FeatureFlag;
   8use fuzzy::StringMatchCandidate;
   9use gpui::{
  10    Action, App, Div, Entity, FocusHandle, Focusable, FontWeight, Global, ReadGlobal as _,
  11    ScrollHandle, Subscription, Task, TitlebarOptions, UniformListScrollHandle, Window,
  12    WindowBounds, WindowHandle, WindowOptions, actions, div, point, prelude::*, px, size,
  13    uniform_list,
  14};
  15use heck::ToTitleCase as _;
  16use project::WorktreeId;
  17use schemars::JsonSchema;
  18use serde::Deserialize;
  19use settings::{
  20    BottomDockLayout, CloseWindowWhenNoItems, CodeFade, CursorShape, OnLastWindowClosed,
  21    RestoreOnStartupBehavior, SaturatingBool, SettingsContent, SettingsStore,
  22};
  23use std::{
  24    any::{Any, TypeId, type_name},
  25    cell::RefCell,
  26    collections::HashMap,
  27    num::{NonZero, NonZeroU32},
  28    ops::Range,
  29    rc::Rc,
  30    sync::{Arc, LazyLock, RwLock, atomic::AtomicBool},
  31};
  32use ui::{
  33    ContextMenu, Divider, DividerColor, DropdownMenu, DropdownStyle, IconButtonShape, PopoverMenu,
  34    Switch, SwitchColor, Tooltip, TreeViewItem, WithScrollbar, prelude::*,
  35};
  36use ui_input::{NumberField, NumberFieldType};
  37use util::{ResultExt as _, paths::PathStyle, rel_path::RelPath};
  38use workspace::{OpenOptions, OpenVisible, Workspace};
  39use zed_actions::OpenSettingsEditor;
  40
  41use crate::components::SettingsEditor;
  42
  43const NAVBAR_CONTAINER_TAB_INDEX: isize = 0;
  44const NAVBAR_GROUP_TAB_INDEX: isize = 1;
  45
  46const HEADER_CONTAINER_TAB_INDEX: isize = 2;
  47const HEADER_GROUP_TAB_INDEX: isize = 3;
  48
  49const CONTENT_CONTAINER_TAB_INDEX: isize = 4;
  50const CONTENT_GROUP_TAB_INDEX: isize = 5;
  51
  52actions!(
  53    settings_editor,
  54    [
  55        /// Minimizes the settings UI window.
  56        Minimize,
  57        /// Toggles focus between the navbar and the main content.
  58        ToggleFocusNav,
  59        /// Expands the navigation entry.
  60        ExpandNavEntry,
  61        /// Collapses the navigation entry.
  62        CollapseNavEntry,
  63        /// Focuses the next file in the file list.
  64        FocusNextFile,
  65        /// Focuses the previous file in the file list.
  66        FocusPreviousFile,
  67        /// Opens an editor for the current file
  68        OpenCurrentFile,
  69        /// Focuses the previous root navigation entry.
  70        FocusPreviousRootNavEntry,
  71        /// Focuses the next root navigation entry.
  72        FocusNextRootNavEntry,
  73        /// Focuses the first navigation entry.
  74        FocusFirstNavEntry,
  75        /// Focuses the last navigation entry.
  76        FocusLastNavEntry
  77    ]
  78);
  79
  80#[derive(Action, PartialEq, Eq, Clone, Copy, Debug, JsonSchema, Deserialize)]
  81#[action(namespace = settings_editor)]
  82struct FocusFile(pub u32);
  83
  84#[derive(Clone, Copy)]
  85struct SettingField<T: 'static> {
  86    pick: fn(&SettingsContent) -> &Option<T>,
  87    pick_mut: fn(&mut SettingsContent) -> &mut Option<T>,
  88}
  89
  90/// Helper for unimplemented settings, used in combination with `SettingField::unimplemented`
  91/// to keep the setting around in the UI with valid pick and pick_mut implementations, but don't actually try to render it.
  92/// TODO(settings_ui): In non-dev builds (`#[cfg(not(debug_assertions))]`) make this render as edit-in-json
  93struct UnimplementedSettingField;
  94
  95impl<T: 'static> SettingField<T> {
  96    /// Helper for settings with types that are not yet implemented.
  97    #[allow(unused)]
  98    fn unimplemented(self) -> SettingField<UnimplementedSettingField> {
  99        SettingField {
 100            pick: |_| &None,
 101            pick_mut: |_| unreachable!(),
 102        }
 103    }
 104}
 105
 106trait AnySettingField {
 107    fn as_any(&self) -> &dyn Any;
 108    fn type_name(&self) -> &'static str;
 109    fn type_id(&self) -> TypeId;
 110    // 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)
 111    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> (settings::SettingsFile, bool);
 112}
 113
 114impl<T> AnySettingField for SettingField<T> {
 115    fn as_any(&self) -> &dyn Any {
 116        self
 117    }
 118
 119    fn type_name(&self) -> &'static str {
 120        type_name::<T>()
 121    }
 122
 123    fn type_id(&self) -> TypeId {
 124        TypeId::of::<T>()
 125    }
 126
 127    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> (settings::SettingsFile, bool) {
 128        if AnySettingField::type_id(self) == TypeId::of::<UnimplementedSettingField>() {
 129            return (file.to_settings(), true);
 130        }
 131
 132        let (file, value) = cx
 133            .global::<SettingsStore>()
 134            .get_value_from_file(file.to_settings(), self.pick);
 135        return (file, value.is_some());
 136    }
 137}
 138
 139#[derive(Default, Clone)]
 140struct SettingFieldRenderer {
 141    renderers: Rc<
 142        RefCell<
 143            HashMap<
 144                TypeId,
 145                Box<
 146                    dyn Fn(
 147                        &dyn AnySettingField,
 148                        SettingsUiFile,
 149                        Option<&SettingsFieldMetadata>,
 150                        &mut Window,
 151                        &mut App,
 152                    ) -> AnyElement,
 153                >,
 154            >,
 155        >,
 156    >,
 157}
 158
 159impl Global for SettingFieldRenderer {}
 160
 161impl SettingFieldRenderer {
 162    fn add_renderer<T: 'static>(
 163        &mut self,
 164        renderer: impl Fn(
 165            &SettingField<T>,
 166            SettingsUiFile,
 167            Option<&SettingsFieldMetadata>,
 168            &mut Window,
 169            &mut App,
 170        ) -> AnyElement
 171        + 'static,
 172    ) -> &mut Self {
 173        let key = TypeId::of::<T>();
 174        let renderer = Box::new(
 175            move |any_setting_field: &dyn AnySettingField,
 176                  settings_file: SettingsUiFile,
 177                  metadata: Option<&SettingsFieldMetadata>,
 178                  window: &mut Window,
 179                  cx: &mut App| {
 180                let field = any_setting_field
 181                    .as_any()
 182                    .downcast_ref::<SettingField<T>>()
 183                    .unwrap();
 184                renderer(field, settings_file, metadata, window, cx)
 185            },
 186        );
 187        self.renderers.borrow_mut().insert(key, renderer);
 188        self
 189    }
 190
 191    fn render(
 192        &self,
 193        any_setting_field: &dyn AnySettingField,
 194        settings_file: SettingsUiFile,
 195        metadata: Option<&SettingsFieldMetadata>,
 196        window: &mut Window,
 197        cx: &mut App,
 198    ) -> AnyElement {
 199        let key = any_setting_field.type_id();
 200        if let Some(renderer) = self.renderers.borrow().get(&key) {
 201            renderer(any_setting_field, settings_file, metadata, window, cx)
 202        } else {
 203            Button::new("no-renderer", "NO RENDERER")
 204                .style(ButtonStyle::Outlined)
 205                .size(ButtonSize::Medium)
 206                .icon(Some(IconName::XCircle))
 207                .icon_position(IconPosition::Start)
 208                .icon_color(Color::Error)
 209                .tab_index(0_isize)
 210                .tooltip(Tooltip::text(any_setting_field.type_name()))
 211                .into_any_element()
 212            // panic!(
 213            //     "No renderer found for type: {}",
 214            //     any_setting_field.type_name()
 215            // )
 216        }
 217    }
 218}
 219
 220struct NonFocusableHandle {
 221    handle: FocusHandle,
 222    _subscription: Subscription,
 223}
 224
 225impl NonFocusableHandle {
 226    fn new(tab_index: isize, tab_stop: bool, window: &mut Window, cx: &mut App) -> Entity<Self> {
 227        let handle = cx.focus_handle().tab_index(tab_index).tab_stop(tab_stop);
 228        Self::from_handle(handle, window, cx)
 229    }
 230
 231    fn from_handle(handle: FocusHandle, window: &mut Window, cx: &mut App) -> Entity<Self> {
 232        cx.new(|cx| {
 233            let _subscription = cx.on_focus(&handle, window, {
 234                move |_, window, _| {
 235                    window.focus_next();
 236                }
 237            });
 238            Self {
 239                handle,
 240                _subscription,
 241            }
 242        })
 243    }
 244}
 245
 246impl Focusable for NonFocusableHandle {
 247    fn focus_handle(&self, _: &App) -> FocusHandle {
 248        self.handle.clone()
 249    }
 250}
 251
 252struct SettingsFieldMetadata {
 253    placeholder: Option<&'static str>,
 254}
 255
 256pub struct SettingsUiFeatureFlag;
 257
 258impl FeatureFlag for SettingsUiFeatureFlag {
 259    const NAME: &'static str = "settings-ui";
 260}
 261
 262pub fn init(cx: &mut App) {
 263    init_renderers(cx);
 264
 265    cx.observe_new(|workspace: &mut workspace::Workspace, _, _| {
 266        workspace.register_action(|workspace, _: &OpenSettingsEditor, window, cx| {
 267            let window_handle = window
 268                .window_handle()
 269                .downcast::<Workspace>()
 270                .expect("Workspaces are root Windows");
 271            open_settings_editor(workspace, window_handle, cx);
 272        });
 273    })
 274    .detach();
 275}
 276
 277fn init_renderers(cx: &mut App) {
 278    cx.default_global::<SettingFieldRenderer>()
 279        .add_renderer::<UnimplementedSettingField>(|_, _, _, _, _| {
 280            Button::new("open-in-settings-file", "Edit in settings.json")
 281                .style(ButtonStyle::Outlined)
 282                .size(ButtonSize::Medium)
 283                .tab_index(0_isize)
 284                .on_click(|_, window, cx| {
 285                    window.dispatch_action(Box::new(OpenCurrentFile), cx);
 286                })
 287                .into_any_element()
 288        })
 289        .add_renderer::<bool>(|settings_field, file, _, _, cx| {
 290            render_toggle_button(*settings_field, file, cx).into_any_element()
 291        })
 292        .add_renderer::<String>(|settings_field, file, metadata, _, cx| {
 293            render_text_field(settings_field.clone(), file, metadata, cx)
 294        })
 295        .add_renderer::<SaturatingBool>(|settings_field, file, _, _, cx| {
 296            render_toggle_button(*settings_field, file, cx)
 297        })
 298        .add_renderer::<CursorShape>(|settings_field, file, _, window, cx| {
 299            render_dropdown(*settings_field, file, window, cx)
 300        })
 301        .add_renderer::<RestoreOnStartupBehavior>(|settings_field, file, _, window, cx| {
 302            render_dropdown(*settings_field, file, window, cx)
 303        })
 304        .add_renderer::<BottomDockLayout>(|settings_field, file, _, window, cx| {
 305            render_dropdown(*settings_field, file, window, cx)
 306        })
 307        .add_renderer::<OnLastWindowClosed>(|settings_field, file, _, window, cx| {
 308            render_dropdown(*settings_field, file, window, cx)
 309        })
 310        .add_renderer::<CloseWindowWhenNoItems>(|settings_field, file, _, window, cx| {
 311            render_dropdown(*settings_field, file, window, cx)
 312        })
 313        .add_renderer::<settings::FontFamilyName>(|settings_field, file, _, window, cx| {
 314            // todo(settings_ui): We need to pass in a validator for this to ensure that users that type in invalid font names
 315            render_font_picker(settings_field.clone(), file, window, cx)
 316        })
 317        // todo(settings_ui): This needs custom ui
 318        // .add_renderer::<settings::BufferLineHeight>(|settings_field, file, _, window, cx| {
 319        //     // todo(settings_ui): Do we want to expose the custom variant of buffer line height?
 320        //     // right now there's a manual impl of strum::VariantArray
 321        //     render_dropdown(*settings_field, file, window, cx)
 322        // })
 323        .add_renderer::<settings::BaseKeymapContent>(|settings_field, file, _, window, cx| {
 324            render_dropdown(*settings_field, file, window, cx)
 325        })
 326        .add_renderer::<settings::MultiCursorModifier>(|settings_field, file, _, window, cx| {
 327            render_dropdown(*settings_field, file, window, cx)
 328        })
 329        .add_renderer::<settings::HideMouseMode>(|settings_field, file, _, window, cx| {
 330            render_dropdown(*settings_field, file, window, cx)
 331        })
 332        .add_renderer::<settings::CurrentLineHighlight>(|settings_field, file, _, window, cx| {
 333            render_dropdown(*settings_field, file, window, cx)
 334        })
 335        .add_renderer::<settings::ShowWhitespaceSetting>(|settings_field, file, _, window, cx| {
 336            render_dropdown(*settings_field, file, window, cx)
 337        })
 338        .add_renderer::<settings::SoftWrap>(|settings_field, file, _, window, cx| {
 339            render_dropdown(*settings_field, file, window, cx)
 340        })
 341        .add_renderer::<settings::ScrollBeyondLastLine>(|settings_field, file, _, window, cx| {
 342            render_dropdown(*settings_field, file, window, cx)
 343        })
 344        .add_renderer::<settings::SnippetSortOrder>(|settings_field, file, _, window, cx| {
 345            render_dropdown(*settings_field, file, window, cx)
 346        })
 347        .add_renderer::<settings::ClosePosition>(|settings_field, file, _, window, cx| {
 348            render_dropdown(*settings_field, file, window, cx)
 349        })
 350        .add_renderer::<settings::DockSide>(|settings_field, file, _, window, cx| {
 351            render_dropdown(*settings_field, file, window, cx)
 352        })
 353        .add_renderer::<settings::TerminalDockPosition>(|settings_field, file, _, window, cx| {
 354            render_dropdown(*settings_field, file, window, cx)
 355        })
 356        .add_renderer::<settings::DockPosition>(|settings_field, file, _, window, cx| {
 357            render_dropdown(*settings_field, file, window, cx)
 358        })
 359        .add_renderer::<settings::GitGutterSetting>(|settings_field, file, _, window, cx| {
 360            render_dropdown(*settings_field, file, window, cx)
 361        })
 362        .add_renderer::<settings::GitHunkStyleSetting>(|settings_field, file, _, window, cx| {
 363            render_dropdown(*settings_field, file, window, cx)
 364        })
 365        .add_renderer::<settings::DiagnosticSeverityContent>(
 366            |settings_field, file, _, window, cx| {
 367                render_dropdown(*settings_field, file, window, cx)
 368            },
 369        )
 370        .add_renderer::<settings::SeedQuerySetting>(|settings_field, file, _, window, cx| {
 371            render_dropdown(*settings_field, file, window, cx)
 372        })
 373        .add_renderer::<settings::DoubleClickInMultibuffer>(
 374            |settings_field, file, _, window, cx| {
 375                render_dropdown(*settings_field, file, window, cx)
 376            },
 377        )
 378        .add_renderer::<settings::GoToDefinitionFallback>(|settings_field, file, _, window, cx| {
 379            render_dropdown(*settings_field, file, window, cx)
 380        })
 381        .add_renderer::<settings::ActivateOnClose>(|settings_field, file, _, window, cx| {
 382            render_dropdown(*settings_field, file, window, cx)
 383        })
 384        .add_renderer::<settings::ShowDiagnostics>(|settings_field, file, _, window, cx| {
 385            render_dropdown(*settings_field, file, window, cx)
 386        })
 387        .add_renderer::<settings::ShowCloseButton>(|settings_field, file, _, window, cx| {
 388            render_dropdown(*settings_field, file, window, cx)
 389        })
 390        .add_renderer::<settings::ProjectPanelEntrySpacing>(
 391            |settings_field, file, _, window, cx| {
 392                render_dropdown(*settings_field, file, window, cx)
 393            },
 394        )
 395        .add_renderer::<settings::RewrapBehavior>(|settings_field, file, _, window, cx| {
 396            render_dropdown(*settings_field, file, window, cx)
 397        })
 398        .add_renderer::<settings::FormatOnSave>(|settings_field, file, _, window, cx| {
 399            render_dropdown(*settings_field, file, window, cx)
 400        })
 401        .add_renderer::<settings::IndentGuideColoring>(|settings_field, file, _, window, cx| {
 402            render_dropdown(*settings_field, file, window, cx)
 403        })
 404        .add_renderer::<settings::IndentGuideBackgroundColoring>(
 405            |settings_field, file, _, window, cx| {
 406                render_dropdown(*settings_field, file, window, cx)
 407            },
 408        )
 409        .add_renderer::<settings::FileFinderWidthContent>(|settings_field, file, _, window, cx| {
 410            render_dropdown(*settings_field, file, window, cx)
 411        })
 412        .add_renderer::<settings::ShowDiagnostics>(|settings_field, file, _, window, cx| {
 413            render_dropdown(*settings_field, file, window, cx)
 414        })
 415        .add_renderer::<settings::WordsCompletionMode>(|settings_field, file, _, window, cx| {
 416            render_dropdown(*settings_field, file, window, cx)
 417        })
 418        .add_renderer::<settings::LspInsertMode>(|settings_field, file, _, window, cx| {
 419            render_dropdown(*settings_field, file, window, cx)
 420        })
 421        .add_renderer::<settings::AlternateScroll>(|settings_field, file, _, window, cx| {
 422            render_dropdown(*settings_field, file, window, cx)
 423        })
 424        .add_renderer::<settings::TerminalBlink>(|settings_field, file, _, window, cx| {
 425            render_dropdown(*settings_field, file, window, cx)
 426        })
 427        .add_renderer::<settings::CursorShapeContent>(|settings_field, file, _, window, cx| {
 428            render_dropdown(*settings_field, file, window, cx)
 429        })
 430        .add_renderer::<f32>(|settings_field, file, _, window, cx| {
 431            render_number_field(*settings_field, file, window, cx)
 432        })
 433        .add_renderer::<u32>(|settings_field, file, _, window, cx| {
 434            render_number_field(*settings_field, file, window, cx)
 435        })
 436        .add_renderer::<u64>(|settings_field, file, _, window, cx| {
 437            render_number_field(*settings_field, file, window, cx)
 438        })
 439        .add_renderer::<usize>(|settings_field, file, _, window, cx| {
 440            render_number_field(*settings_field, file, window, cx)
 441        })
 442        .add_renderer::<NonZero<usize>>(|settings_field, file, _, window, cx| {
 443            render_number_field(*settings_field, file, window, cx)
 444        })
 445        .add_renderer::<NonZeroU32>(|settings_field, file, _, window, cx| {
 446            render_number_field(*settings_field, file, window, cx)
 447        })
 448        .add_renderer::<CodeFade>(|settings_field, file, _, window, cx| {
 449            render_number_field(*settings_field, file, window, cx)
 450        })
 451        .add_renderer::<FontWeight>(|settings_field, file, _, window, cx| {
 452            render_number_field(*settings_field, file, window, cx)
 453        })
 454        .add_renderer::<settings::MinimumContrast>(|settings_field, file, _, window, cx| {
 455            render_number_field(*settings_field, file, window, cx)
 456        })
 457        .add_renderer::<settings::ShowScrollbar>(|settings_field, file, _, window, cx| {
 458            render_dropdown(*settings_field, file, window, cx)
 459        })
 460        .add_renderer::<settings::ScrollbarDiagnostics>(|settings_field, file, _, window, cx| {
 461            render_dropdown(*settings_field, file, window, cx)
 462        })
 463        .add_renderer::<settings::ShowMinimap>(|settings_field, file, _, window, cx| {
 464            render_dropdown(*settings_field, file, window, cx)
 465        })
 466        .add_renderer::<settings::DisplayIn>(|settings_field, file, _, window, cx| {
 467            render_dropdown(*settings_field, file, window, cx)
 468        })
 469        .add_renderer::<settings::MinimapThumb>(|settings_field, file, _, window, cx| {
 470            render_dropdown(*settings_field, file, window, cx)
 471        })
 472        .add_renderer::<settings::MinimapThumbBorder>(|settings_field, file, _, window, cx| {
 473            render_dropdown(*settings_field, file, window, cx)
 474        })
 475        .add_renderer::<settings::SteppingGranularity>(|settings_field, file, _, window, cx| {
 476            render_dropdown(*settings_field, file, window, cx)
 477        });
 478
 479    // todo(settings_ui): Figure out how we want to handle discriminant unions
 480    // .add_renderer::<ThemeSelection>(|settings_field, file, _, window, cx| {
 481    //     render_dropdown(*settings_field, file, window, cx)
 482    // });
 483}
 484
 485pub fn open_settings_editor(
 486    _workspace: &mut Workspace,
 487    workspace_handle: WindowHandle<Workspace>,
 488    cx: &mut App,
 489) {
 490    let existing_window = cx
 491        .windows()
 492        .into_iter()
 493        .find_map(|window| window.downcast::<SettingsWindow>());
 494
 495    if let Some(existing_window) = existing_window {
 496        existing_window
 497            .update(cx, |settings_window, window, _| {
 498                settings_window.original_window = Some(workspace_handle);
 499                window.activate_window();
 500            })
 501            .ok();
 502        return;
 503    }
 504
 505    // We have to defer this to get the workspace off the stack.
 506
 507    cx.defer(move |cx| {
 508        cx.open_window(
 509            WindowOptions {
 510                titlebar: Some(TitlebarOptions {
 511                    title: Some("Settings Window".into()),
 512                    appears_transparent: true,
 513                    traffic_light_position: Some(point(px(12.0), px(12.0))),
 514                }),
 515                focus: true,
 516                show: true,
 517                kind: gpui::WindowKind::Floating,
 518                window_background: cx.theme().window_background_appearance(),
 519                window_min_size: Some(size(px(900.), px(750.))), // 4:3 Aspect Ratio
 520                window_bounds: Some(WindowBounds::centered(size(px(900.), px(750.)), cx)),
 521                ..Default::default()
 522            },
 523            |window, cx| cx.new(|cx| SettingsWindow::new(Some(workspace_handle), window, cx)),
 524        )
 525        .log_err();
 526    });
 527}
 528
 529/// The current sub page path that is selected.
 530/// If this is empty the selected page is rendered,
 531/// otherwise the last sub page gets rendered.
 532///
 533/// Global so that `pick` and `pick_mut` callbacks can access it
 534/// and use it to dynamically render sub pages (e.g. for language settings)
 535static SUB_PAGE_STACK: LazyLock<RwLock<Vec<SubPage>>> = LazyLock::new(|| RwLock::new(Vec::new()));
 536
 537fn sub_page_stack() -> std::sync::RwLockReadGuard<'static, Vec<SubPage>> {
 538    SUB_PAGE_STACK
 539        .read()
 540        .expect("SUB_PAGE_STACK is never poisoned")
 541}
 542
 543fn sub_page_stack_mut() -> std::sync::RwLockWriteGuard<'static, Vec<SubPage>> {
 544    SUB_PAGE_STACK
 545        .write()
 546        .expect("SUB_PAGE_STACK is never poisoned")
 547}
 548
 549pub struct SettingsWindow {
 550    original_window: Option<WindowHandle<Workspace>>,
 551    files: Vec<(SettingsUiFile, FocusHandle)>,
 552    worktree_root_dirs: HashMap<WorktreeId, String>,
 553    current_file: SettingsUiFile,
 554    pages: Vec<SettingsPage>,
 555    search_bar: Entity<Editor>,
 556    search_task: Option<Task<()>>,
 557    /// Index into navbar_entries
 558    navbar_entry: usize,
 559    navbar_entries: Vec<NavBarEntry>,
 560    list_handle: UniformListScrollHandle,
 561    search_matches: Vec<Vec<bool>>,
 562    content_handles: Vec<Vec<Entity<NonFocusableHandle>>>,
 563    scroll_handle: ScrollHandle,
 564    focus_handle: FocusHandle,
 565    navbar_focus_handle: Entity<NonFocusableHandle>,
 566    content_focus_handle: Entity<NonFocusableHandle>,
 567    files_focus_handle: FocusHandle,
 568}
 569
 570struct SubPage {
 571    link: SubPageLink,
 572    section_header: &'static str,
 573}
 574
 575#[derive(Debug)]
 576struct NavBarEntry {
 577    title: &'static str,
 578    is_root: bool,
 579    expanded: bool,
 580    page_index: usize,
 581    item_index: Option<usize>,
 582    focus_handle: FocusHandle,
 583}
 584
 585struct SettingsPage {
 586    title: &'static str,
 587    items: Vec<SettingsPageItem>,
 588}
 589
 590#[derive(PartialEq)]
 591enum SettingsPageItem {
 592    SectionHeader(&'static str),
 593    SettingItem(SettingItem),
 594    SubPageLink(SubPageLink),
 595}
 596
 597impl std::fmt::Debug for SettingsPageItem {
 598    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 599        match self {
 600            SettingsPageItem::SectionHeader(header) => write!(f, "SectionHeader({})", header),
 601            SettingsPageItem::SettingItem(setting_item) => {
 602                write!(f, "SettingItem({})", setting_item.title)
 603            }
 604            SettingsPageItem::SubPageLink(sub_page_link) => {
 605                write!(f, "SubPageLink({})", sub_page_link.title)
 606            }
 607        }
 608    }
 609}
 610
 611impl SettingsPageItem {
 612    fn render(
 613        &self,
 614        settings_window: &SettingsWindow,
 615        section_header: &'static str,
 616        item_index: usize,
 617        is_last: bool,
 618        window: &mut Window,
 619        cx: &mut Context<SettingsWindow>,
 620    ) -> AnyElement {
 621        let file = settings_window.current_file.clone();
 622        match self {
 623            SettingsPageItem::SectionHeader(header) => v_flex()
 624                .w_full()
 625                .gap_1p5()
 626                .child(
 627                    Label::new(SharedString::new_static(header))
 628                        .size(LabelSize::Small)
 629                        .color(Color::Muted)
 630                        .buffer_font(cx),
 631                )
 632                .child(Divider::horizontal().color(DividerColor::BorderFaded))
 633                .into_any_element(),
 634            SettingsPageItem::SettingItem(setting_item) => {
 635                let renderer = cx.default_global::<SettingFieldRenderer>().clone();
 636                let (found_in_file, found) = setting_item.field.file_set_in(file.clone(), cx);
 637                let file_set_in = SettingsUiFile::from_settings(found_in_file);
 638
 639                h_flex()
 640                    .id((setting_item.title, item_index))
 641                    .min_w_0()
 642                    .gap_2()
 643                    .justify_between()
 644                    .pt_4()
 645                    .map(|this| {
 646                        if is_last {
 647                            this.pb_10()
 648                        } else {
 649                            this.pb_4()
 650                                .border_b_1()
 651                                .border_color(cx.theme().colors().border_variant)
 652                        }
 653                    })
 654                    .child(
 655                        v_flex()
 656                            .w_full()
 657                            .max_w_1_2()
 658                            .child(
 659                                h_flex()
 660                                    .w_full()
 661                                    .gap_1()
 662                                    .child(Label::new(SharedString::new_static(setting_item.title)))
 663                                    .when_some(
 664                                        file_set_in.filter(|file_set_in| file_set_in != &file),
 665                                        |this, file_set_in| {
 666                                            this.child(
 667                                                Label::new(format!(
 668                                                    "— set in {}",
 669                                                    settings_window
 670                                                        .display_name(&file_set_in)
 671                                                        .expect("File name should exist")
 672                                                ))
 673                                                .color(Color::Muted)
 674                                                .size(LabelSize::Small),
 675                                            )
 676                                        },
 677                                    ),
 678                            )
 679                            .child(
 680                                Label::new(SharedString::new_static(setting_item.description))
 681                                    .size(LabelSize::Small)
 682                                    .color(Color::Muted),
 683                            ),
 684                    )
 685                    .child(if cfg!(debug_assertions) && !found {
 686                        Button::new("no-default-field", "NO DEFAULT")
 687                            .size(ButtonSize::Medium)
 688                            .icon(IconName::XCircle)
 689                            .icon_position(IconPosition::Start)
 690                            .icon_color(Color::Error)
 691                            .icon_size(IconSize::Small)
 692                            .style(ButtonStyle::Outlined)
 693                            .tooltip(Tooltip::text(
 694                                "This warning is only displayed in dev builds.",
 695                            ))
 696                            .into_any_element()
 697                    } else {
 698                        renderer.render(
 699                            setting_item.field.as_ref(),
 700                            file,
 701                            setting_item.metadata.as_deref(),
 702                            window,
 703                            cx,
 704                        )
 705                    })
 706                    .into_any_element()
 707            }
 708            SettingsPageItem::SubPageLink(sub_page_link) => h_flex()
 709                .id((sub_page_link.title, item_index))
 710                .w_full()
 711                .min_w_0()
 712                .gap_2()
 713                .justify_between()
 714                .pt_4()
 715                .when(!is_last, |this| {
 716                    this.pb_4()
 717                        .border_b_1()
 718                        .border_color(cx.theme().colors().border_variant)
 719                })
 720                .child(
 721                    v_flex()
 722                        .w_full()
 723                        .max_w_1_2()
 724                        .child(Label::new(SharedString::new_static(sub_page_link.title))),
 725                )
 726                .child(
 727                    Button::new(("sub-page".into(), sub_page_link.title), "Configure")
 728                        .icon(IconName::ChevronRight)
 729                        .icon_position(IconPosition::End)
 730                        .icon_color(Color::Muted)
 731                        .icon_size(IconSize::Small)
 732                        .style(ButtonStyle::Outlined)
 733                        .size(ButtonSize::Medium),
 734                )
 735                .on_click({
 736                    let sub_page_link = sub_page_link.clone();
 737                    cx.listener(move |this, _, _, cx| {
 738                        this.push_sub_page(sub_page_link.clone(), section_header, cx)
 739                    })
 740                })
 741                .into_any_element(),
 742        }
 743    }
 744}
 745
 746struct SettingItem {
 747    title: &'static str,
 748    description: &'static str,
 749    field: Box<dyn AnySettingField>,
 750    metadata: Option<Box<SettingsFieldMetadata>>,
 751    files: FileMask,
 752}
 753
 754#[derive(PartialEq, Eq, Clone, Copy)]
 755struct FileMask(u8);
 756
 757impl std::fmt::Debug for FileMask {
 758    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 759        write!(f, "FileMask(")?;
 760        let mut items = vec![];
 761
 762        if self.contains(USER) {
 763            items.push("USER");
 764        }
 765        if self.contains(LOCAL) {
 766            items.push("LOCAL");
 767        }
 768        if self.contains(SERVER) {
 769            items.push("SERVER");
 770        }
 771
 772        write!(f, "{})", items.join(" | "))
 773    }
 774}
 775
 776const USER: FileMask = FileMask(1 << 0);
 777const LOCAL: FileMask = FileMask(1 << 2);
 778const SERVER: FileMask = FileMask(1 << 3);
 779
 780impl std::ops::BitAnd for FileMask {
 781    type Output = Self;
 782
 783    fn bitand(self, other: Self) -> Self {
 784        Self(self.0 & other.0)
 785    }
 786}
 787
 788impl std::ops::BitOr for FileMask {
 789    type Output = Self;
 790
 791    fn bitor(self, other: Self) -> Self {
 792        Self(self.0 | other.0)
 793    }
 794}
 795
 796impl FileMask {
 797    fn contains(&self, other: FileMask) -> bool {
 798        self.0 & other.0 != 0
 799    }
 800}
 801
 802impl PartialEq for SettingItem {
 803    fn eq(&self, other: &Self) -> bool {
 804        self.title == other.title
 805            && self.description == other.description
 806            && (match (&self.metadata, &other.metadata) {
 807                (None, None) => true,
 808                (Some(m1), Some(m2)) => m1.placeholder == m2.placeholder,
 809                _ => false,
 810            })
 811    }
 812}
 813
 814#[derive(Clone)]
 815struct SubPageLink {
 816    title: &'static str,
 817    files: FileMask,
 818    render: Arc<
 819        dyn Fn(&mut SettingsWindow, &mut Window, &mut Context<SettingsWindow>) -> AnyElement
 820            + 'static
 821            + Send
 822            + Sync,
 823    >,
 824}
 825
 826impl PartialEq for SubPageLink {
 827    fn eq(&self, other: &Self) -> bool {
 828        self.title == other.title
 829    }
 830}
 831
 832#[allow(unused)]
 833#[derive(Clone, PartialEq)]
 834enum SettingsUiFile {
 835    User,                                // Uses all settings.
 836    Project((WorktreeId, Arc<RelPath>)), // Has a special name, and special set of settings
 837    Server(&'static str),                // Uses a special name, and the user settings
 838}
 839
 840impl SettingsUiFile {
 841    fn is_server(&self) -> bool {
 842        matches!(self, SettingsUiFile::Server(_))
 843    }
 844
 845    fn worktree_id(&self) -> Option<WorktreeId> {
 846        match self {
 847            SettingsUiFile::User => None,
 848            SettingsUiFile::Project((worktree_id, _)) => Some(*worktree_id),
 849            SettingsUiFile::Server(_) => None,
 850        }
 851    }
 852
 853    fn from_settings(file: settings::SettingsFile) -> Option<Self> {
 854        Some(match file {
 855            settings::SettingsFile::User => SettingsUiFile::User,
 856            settings::SettingsFile::Project(location) => SettingsUiFile::Project(location),
 857            settings::SettingsFile::Server => SettingsUiFile::Server("todo: server name"),
 858            settings::SettingsFile::Default => return None,
 859        })
 860    }
 861
 862    fn to_settings(&self) -> settings::SettingsFile {
 863        match self {
 864            SettingsUiFile::User => settings::SettingsFile::User,
 865            SettingsUiFile::Project(location) => settings::SettingsFile::Project(location.clone()),
 866            SettingsUiFile::Server(_) => settings::SettingsFile::Server,
 867        }
 868    }
 869
 870    fn mask(&self) -> FileMask {
 871        match self {
 872            SettingsUiFile::User => USER,
 873            SettingsUiFile::Project(_) => LOCAL,
 874            SettingsUiFile::Server(_) => SERVER,
 875        }
 876    }
 877}
 878
 879impl SettingsWindow {
 880    pub fn new(
 881        original_window: Option<WindowHandle<Workspace>>,
 882        window: &mut Window,
 883        cx: &mut Context<Self>,
 884    ) -> Self {
 885        let font_family_cache = theme::FontFamilyCache::global(cx);
 886
 887        cx.spawn(async move |this, cx| {
 888            font_family_cache.prefetch(cx).await;
 889            this.update(cx, |_, cx| {
 890                cx.notify();
 891            })
 892        })
 893        .detach();
 894
 895        let current_file = SettingsUiFile::User;
 896        let search_bar = cx.new(|cx| {
 897            let mut editor = Editor::single_line(window, cx);
 898            editor.set_placeholder_text("Search settings…", window, cx);
 899            editor
 900        });
 901
 902        cx.subscribe(&search_bar, |this, _, event: &EditorEvent, cx| {
 903            let EditorEvent::Edited { transaction_id: _ } = event else {
 904                return;
 905            };
 906
 907            this.update_matches(cx);
 908        })
 909        .detach();
 910
 911        cx.observe_global_in::<SettingsStore>(window, move |this, window, cx| {
 912            this.fetch_files(window, cx);
 913            cx.notify();
 914        })
 915        .detach();
 916
 917        let mut this = Self {
 918            original_window,
 919            worktree_root_dirs: HashMap::default(),
 920            files: vec![],
 921            current_file: current_file,
 922            pages: vec![],
 923            navbar_entries: vec![],
 924            navbar_entry: 0,
 925            list_handle: UniformListScrollHandle::default(),
 926            search_bar,
 927            search_task: None,
 928            search_matches: vec![],
 929            content_handles: vec![],
 930            scroll_handle: ScrollHandle::new(),
 931            focus_handle: cx.focus_handle(),
 932            navbar_focus_handle: NonFocusableHandle::new(
 933                NAVBAR_CONTAINER_TAB_INDEX,
 934                false,
 935                window,
 936                cx,
 937            ),
 938            content_focus_handle: NonFocusableHandle::new(
 939                CONTENT_CONTAINER_TAB_INDEX,
 940                false,
 941                window,
 942                cx,
 943            ),
 944            files_focus_handle: cx
 945                .focus_handle()
 946                .tab_index(HEADER_CONTAINER_TAB_INDEX)
 947                .tab_stop(false),
 948        };
 949
 950        this.fetch_files(window, cx);
 951        this.build_ui(window, cx);
 952
 953        this.search_bar.update(cx, |editor, cx| {
 954            editor.focus_handle(cx).focus(window);
 955        });
 956
 957        this
 958    }
 959
 960    fn toggle_navbar_entry(&mut self, nav_entry_index: usize) {
 961        // We can only toggle root entries
 962        if !self.navbar_entries[nav_entry_index].is_root {
 963            return;
 964        }
 965
 966        let expanded = &mut self.navbar_entries[nav_entry_index].expanded;
 967        *expanded = !*expanded;
 968        let expanded = *expanded;
 969
 970        let toggle_page_index = self.page_index_from_navbar_index(nav_entry_index);
 971        let selected_page_index = self.page_index_from_navbar_index(self.navbar_entry);
 972        // if currently selected page is a child of the parent page we are folding,
 973        // set the current page to the parent page
 974        if !expanded && selected_page_index == toggle_page_index {
 975            self.navbar_entry = nav_entry_index;
 976            // note: not opening page. Toggling does not change content just selected page
 977        }
 978    }
 979
 980    fn build_navbar(&mut self, cx: &App) {
 981        let mut prev_navbar_state = HashMap::new();
 982        let mut root_entry = "";
 983        let mut prev_selected_entry = None;
 984        for (index, entry) in self.navbar_entries.iter().enumerate() {
 985            let sub_entry_title;
 986            if entry.is_root {
 987                sub_entry_title = None;
 988                root_entry = entry.title;
 989            } else {
 990                sub_entry_title = Some(entry.title);
 991            }
 992            let key = (root_entry, sub_entry_title);
 993            if index == self.navbar_entry {
 994                prev_selected_entry = Some(key);
 995            }
 996            prev_navbar_state.insert(key, entry.expanded);
 997        }
 998
 999        let mut navbar_entries = Vec::with_capacity(self.navbar_entries.len());
1000        for (page_index, page) in self.pages.iter().enumerate() {
1001            navbar_entries.push(NavBarEntry {
1002                title: page.title,
1003                is_root: true,
1004                expanded: false,
1005                page_index,
1006                item_index: None,
1007                focus_handle: cx.focus_handle().tab_index(0).tab_stop(true),
1008            });
1009
1010            for (item_index, item) in page.items.iter().enumerate() {
1011                let SettingsPageItem::SectionHeader(title) = item else {
1012                    continue;
1013                };
1014                navbar_entries.push(NavBarEntry {
1015                    title,
1016                    is_root: false,
1017                    expanded: false,
1018                    page_index,
1019                    item_index: Some(item_index),
1020                    focus_handle: cx.focus_handle().tab_index(0).tab_stop(true),
1021                });
1022            }
1023        }
1024
1025        let mut root_entry = "";
1026        let mut found_nav_entry = false;
1027        for (index, entry) in navbar_entries.iter_mut().enumerate() {
1028            let sub_entry_title;
1029            if entry.is_root {
1030                root_entry = entry.title;
1031                sub_entry_title = None;
1032            } else {
1033                sub_entry_title = Some(entry.title);
1034            };
1035            let key = (root_entry, sub_entry_title);
1036            if Some(key) == prev_selected_entry {
1037                self.open_navbar_entry_page(index);
1038                found_nav_entry = true;
1039            }
1040            entry.expanded = *prev_navbar_state.get(&key).unwrap_or(&false);
1041        }
1042        if !found_nav_entry {
1043            self.open_first_nav_page();
1044        }
1045        self.navbar_entries = navbar_entries;
1046    }
1047
1048    fn visible_navbar_entries(&self) -> impl Iterator<Item = (usize, &NavBarEntry)> {
1049        let mut index = 0;
1050        let entries = &self.navbar_entries;
1051        let search_matches = &self.search_matches;
1052        std::iter::from_fn(move || {
1053            while index < entries.len() {
1054                let entry = &entries[index];
1055                let included_in_search = if let Some(item_index) = entry.item_index {
1056                    search_matches[entry.page_index][item_index]
1057                } else {
1058                    search_matches[entry.page_index].iter().any(|b| *b)
1059                        || search_matches[entry.page_index].is_empty()
1060                };
1061                if included_in_search {
1062                    break;
1063                }
1064                index += 1;
1065            }
1066            if index >= self.navbar_entries.len() {
1067                return None;
1068            }
1069            let entry = &entries[index];
1070            let entry_index = index;
1071
1072            index += 1;
1073            if entry.is_root && !entry.expanded {
1074                while index < entries.len() {
1075                    if entries[index].is_root {
1076                        break;
1077                    }
1078                    index += 1;
1079                }
1080            }
1081
1082            return Some((entry_index, entry));
1083        })
1084    }
1085
1086    fn filter_matches_to_file(&mut self) {
1087        let current_file = self.current_file.mask();
1088        for (page, page_filter) in std::iter::zip(&self.pages, &mut self.search_matches) {
1089            let mut header_index = 0;
1090            let mut any_found_since_last_header = true;
1091
1092            for (index, item) in page.items.iter().enumerate() {
1093                match item {
1094                    SettingsPageItem::SectionHeader(_) => {
1095                        if !any_found_since_last_header {
1096                            page_filter[header_index] = false;
1097                        }
1098                        header_index = index;
1099                        any_found_since_last_header = false;
1100                    }
1101                    SettingsPageItem::SettingItem(setting_item) => {
1102                        if !setting_item.files.contains(current_file) {
1103                            page_filter[index] = false;
1104                        } else {
1105                            any_found_since_last_header = true;
1106                        }
1107                    }
1108                    SettingsPageItem::SubPageLink(sub_page_link) => {
1109                        if !sub_page_link.files.contains(current_file) {
1110                            page_filter[index] = false;
1111                        } else {
1112                            any_found_since_last_header = true;
1113                        }
1114                    }
1115                }
1116            }
1117            if let Some(last_header) = page_filter.get_mut(header_index)
1118                && !any_found_since_last_header
1119            {
1120                *last_header = false;
1121            }
1122        }
1123    }
1124
1125    fn update_matches(&mut self, cx: &mut Context<SettingsWindow>) {
1126        self.search_task.take();
1127        let query = self.search_bar.read(cx).text(cx);
1128        if query.is_empty() {
1129            for page in &mut self.search_matches {
1130                page.fill(true);
1131            }
1132            self.filter_matches_to_file();
1133            cx.notify();
1134            return;
1135        }
1136
1137        struct ItemKey {
1138            page_index: usize,
1139            header_index: usize,
1140            item_index: usize,
1141        }
1142        let mut key_lut: Vec<ItemKey> = vec![];
1143        let mut candidates = Vec::default();
1144
1145        for (page_index, page) in self.pages.iter().enumerate() {
1146            let mut header_index = 0;
1147            for (item_index, item) in page.items.iter().enumerate() {
1148                let key_index = key_lut.len();
1149                match item {
1150                    SettingsPageItem::SettingItem(item) => {
1151                        candidates.push(StringMatchCandidate::new(key_index, item.title));
1152                        candidates.push(StringMatchCandidate::new(key_index, item.description));
1153                    }
1154                    SettingsPageItem::SectionHeader(header) => {
1155                        candidates.push(StringMatchCandidate::new(key_index, header));
1156                        header_index = item_index;
1157                    }
1158                    SettingsPageItem::SubPageLink(sub_page_link) => {
1159                        candidates.push(StringMatchCandidate::new(key_index, sub_page_link.title));
1160                    }
1161                }
1162                key_lut.push(ItemKey {
1163                    page_index,
1164                    header_index,
1165                    item_index,
1166                });
1167            }
1168        }
1169        let atomic_bool = AtomicBool::new(false);
1170
1171        self.search_task = Some(cx.spawn(async move |this, cx| {
1172            let string_matches = fuzzy::match_strings(
1173                candidates.as_slice(),
1174                &query,
1175                false,
1176                true,
1177                candidates.len(),
1178                &atomic_bool,
1179                cx.background_executor().clone(),
1180            );
1181            let string_matches = string_matches.await;
1182
1183            this.update(cx, |this, cx| {
1184                for page in &mut this.search_matches {
1185                    page.fill(false);
1186                }
1187
1188                for string_match in string_matches {
1189                    let ItemKey {
1190                        page_index,
1191                        header_index,
1192                        item_index,
1193                    } = key_lut[string_match.candidate_id];
1194                    let page = &mut this.search_matches[page_index];
1195                    page[header_index] = true;
1196                    page[item_index] = true;
1197                }
1198                this.filter_matches_to_file();
1199                this.open_first_nav_page();
1200                cx.notify();
1201            })
1202            .ok();
1203        }));
1204    }
1205
1206    fn build_search_matches(&mut self) {
1207        self.search_matches = self
1208            .pages
1209            .iter()
1210            .map(|page| vec![true; page.items.len()])
1211            .collect::<Vec<_>>();
1212    }
1213
1214    fn build_content_handles(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1215        self.content_handles = self
1216            .pages
1217            .iter()
1218            .map(|page| {
1219                std::iter::repeat_with(|| NonFocusableHandle::new(0, false, window, cx))
1220                    .take(page.items.len())
1221                    .collect()
1222            })
1223            .collect::<Vec<_>>();
1224    }
1225
1226    fn build_ui(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1227        if self.pages.is_empty() {
1228            self.pages = page_data::settings_data();
1229        }
1230        sub_page_stack_mut().clear();
1231        self.build_content_handles(window, cx);
1232        self.build_search_matches();
1233        self.build_navbar(cx);
1234
1235        self.update_matches(cx);
1236
1237        cx.notify();
1238    }
1239
1240    fn fetch_files(&mut self, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1241        self.worktree_root_dirs.clear();
1242        let prev_files = self.files.clone();
1243        let settings_store = cx.global::<SettingsStore>();
1244        let mut ui_files = vec![];
1245        let all_files = settings_store.get_all_files();
1246        for file in all_files {
1247            let Some(settings_ui_file) = SettingsUiFile::from_settings(file) else {
1248                continue;
1249            };
1250            if settings_ui_file.is_server() {
1251                continue;
1252            }
1253
1254            if let Some(worktree_id) = settings_ui_file.worktree_id() {
1255                let directory_name = all_projects(cx)
1256                    .find_map(|project| project.read(cx).worktree_for_id(worktree_id, cx))
1257                    .and_then(|worktree| worktree.read(cx).root_dir())
1258                    .and_then(|root_dir| {
1259                        root_dir
1260                            .file_name()
1261                            .map(|os_string| os_string.to_string_lossy().to_string())
1262                    });
1263
1264                let Some(directory_name) = directory_name else {
1265                    log::error!(
1266                        "No directory name found for settings file at worktree ID: {}",
1267                        worktree_id
1268                    );
1269                    continue;
1270                };
1271
1272                self.worktree_root_dirs.insert(worktree_id, directory_name);
1273            }
1274
1275            let focus_handle = prev_files
1276                .iter()
1277                .find_map(|(prev_file, handle)| {
1278                    (prev_file == &settings_ui_file).then(|| handle.clone())
1279                })
1280                .unwrap_or_else(|| cx.focus_handle().tab_index(0).tab_stop(true));
1281            ui_files.push((settings_ui_file, focus_handle));
1282        }
1283        ui_files.reverse();
1284        self.files = ui_files;
1285        let current_file_still_exists = self
1286            .files
1287            .iter()
1288            .any(|(file, _)| file == &self.current_file);
1289        if !current_file_still_exists {
1290            self.change_file(0, window, cx);
1291        }
1292    }
1293
1294    fn open_navbar_entry_page(&mut self, navbar_entry: usize) {
1295        self.navbar_entry = navbar_entry;
1296        sub_page_stack_mut().clear();
1297    }
1298
1299    fn open_first_nav_page(&mut self) {
1300        let first_navbar_entry_index = self
1301            .visible_navbar_entries()
1302            .next()
1303            .map(|e| e.0)
1304            .unwrap_or(0);
1305        self.open_navbar_entry_page(first_navbar_entry_index);
1306    }
1307
1308    fn change_file(&mut self, ix: usize, window: &mut Window, cx: &mut Context<SettingsWindow>) {
1309        if ix >= self.files.len() {
1310            self.current_file = SettingsUiFile::User;
1311            self.build_ui(window, cx);
1312            return;
1313        }
1314        if self.files[ix].0 == self.current_file {
1315            return;
1316        }
1317        self.current_file = self.files[ix].0.clone();
1318        self.open_navbar_entry_page(0);
1319        self.build_ui(window, cx);
1320
1321        self.open_first_nav_page();
1322    }
1323
1324    fn render_files_header(
1325        &self,
1326        _window: &mut Window,
1327        cx: &mut Context<SettingsWindow>,
1328    ) -> impl IntoElement {
1329        h_flex()
1330            .w_full()
1331            .pb_4()
1332            .gap_1()
1333            .justify_between()
1334            .tab_group()
1335            .track_focus(&self.files_focus_handle)
1336            .tab_index(HEADER_GROUP_TAB_INDEX)
1337            .child(
1338                h_flex()
1339                    .id("file_buttons_container")
1340                    .w_64() // Temporary fix until long-term solution is a fixed set of buttons representing a file location (User, Project, and Remote)
1341                    .gap_1()
1342                    .overflow_x_scroll()
1343                    .children(
1344                        self.files
1345                            .iter()
1346                            .enumerate()
1347                            .map(|(ix, (file, focus_handle))| {
1348                                Button::new(
1349                                    ix,
1350                                    self.display_name(&file)
1351                                        .expect("Files should always have a name"),
1352                                )
1353                                .toggle_state(file == &self.current_file)
1354                                .selected_style(ButtonStyle::Tinted(ui::TintColor::Accent))
1355                                .track_focus(focus_handle)
1356                                .on_click(cx.listener({
1357                                    let focus_handle = focus_handle.clone();
1358                                    move |this, _: &gpui::ClickEvent, window, cx| {
1359                                        this.change_file(ix, window, cx);
1360                                        focus_handle.focus(window);
1361                                    }
1362                                }))
1363                            }),
1364                    ),
1365            )
1366            .child(
1367                Button::new("edit-in-json", "Edit in settings.json")
1368                    .tab_index(0_isize)
1369                    .style(ButtonStyle::OutlinedGhost)
1370                    .on_click(cx.listener(|this, _, _, cx| {
1371                        this.open_current_settings_file(cx);
1372                    })),
1373            )
1374    }
1375
1376    pub(crate) fn display_name(&self, file: &SettingsUiFile) -> Option<String> {
1377        match file {
1378            SettingsUiFile::User => Some("User".to_string()),
1379            SettingsUiFile::Project((worktree_id, path)) => self
1380                .worktree_root_dirs
1381                .get(&worktree_id)
1382                .map(|directory_name| {
1383                    let path_style = PathStyle::local();
1384                    if path.is_empty() {
1385                        directory_name.clone()
1386                    } else {
1387                        format!(
1388                            "{}{}{}",
1389                            directory_name,
1390                            path_style.separator(),
1391                            path.display(path_style)
1392                        )
1393                    }
1394                }),
1395            SettingsUiFile::Server(file) => Some(file.to_string()),
1396        }
1397    }
1398
1399    // TODO:
1400    //  Reconsider this after preview launch
1401    // fn file_location_str(&self) -> String {
1402    //     match &self.current_file {
1403    //         SettingsUiFile::User => "settings.json".to_string(),
1404    //         SettingsUiFile::Project((worktree_id, path)) => self
1405    //             .worktree_root_dirs
1406    //             .get(&worktree_id)
1407    //             .map(|directory_name| {
1408    //                 let path_style = PathStyle::local();
1409    //                 let file_path = path.join(paths::local_settings_file_relative_path());
1410    //                 format!(
1411    //                     "{}{}{}",
1412    //                     directory_name,
1413    //                     path_style.separator(),
1414    //                     file_path.display(path_style)
1415    //                 )
1416    //             })
1417    //             .expect("Current file should always be present in root dir map"),
1418    //         SettingsUiFile::Server(file) => file.to_string(),
1419    //     }
1420    // }
1421
1422    fn render_search(&self, _window: &mut Window, cx: &mut App) -> Div {
1423        h_flex()
1424            .py_1()
1425            .px_1p5()
1426            .mb_3()
1427            .gap_1p5()
1428            .rounded_sm()
1429            .bg(cx.theme().colors().editor_background)
1430            .border_1()
1431            .border_color(cx.theme().colors().border)
1432            .child(Icon::new(IconName::MagnifyingGlass).color(Color::Muted))
1433            .child(self.search_bar.clone())
1434    }
1435
1436    fn render_nav(
1437        &self,
1438        window: &mut Window,
1439        cx: &mut Context<SettingsWindow>,
1440    ) -> impl IntoElement {
1441        let visible_count = self.visible_navbar_entries().count();
1442
1443        // let focus_keybind_label = if self.navbar_focus_handle.contains_focused(window, cx) {
1444        //     "Focus Content"
1445        // } else {
1446        //     "Focus Navbar"
1447        // };
1448
1449        v_flex()
1450            .w_64()
1451            .p_2p5()
1452            .pt_10()
1453            .flex_none()
1454            .border_r_1()
1455            .key_context("NavigationMenu")
1456            .on_action(cx.listener(|this, _: &CollapseNavEntry, window, cx| {
1457                let Some(focused_entry) = this.focused_nav_entry(window) else {
1458                    return;
1459                };
1460                let focused_entry_parent = this.root_entry_containing(focused_entry);
1461                if this.navbar_entries[focused_entry_parent].expanded {
1462                    this.toggle_navbar_entry(focused_entry_parent);
1463                    window.focus(&this.navbar_entries[focused_entry_parent].focus_handle);
1464                }
1465                cx.notify();
1466            }))
1467            .on_action(cx.listener(|this, _: &ExpandNavEntry, window, cx| {
1468                let Some(focused_entry) = this.focused_nav_entry(window) else {
1469                    return;
1470                };
1471                if !this.navbar_entries[focused_entry].is_root {
1472                    return;
1473                }
1474                if !this.navbar_entries[focused_entry].expanded {
1475                    this.toggle_navbar_entry(focused_entry);
1476                }
1477                cx.notify();
1478            }))
1479            .on_action(
1480                cx.listener(|this, _: &FocusPreviousRootNavEntry, window, _| {
1481                    let entry_index = this.focused_nav_entry(window).unwrap_or(this.navbar_entry);
1482                    let mut root_index = None;
1483                    for (index, entry) in this.visible_navbar_entries() {
1484                        if index >= entry_index {
1485                            break;
1486                        }
1487                        if entry.is_root {
1488                            root_index = Some(index);
1489                        }
1490                    }
1491                    let Some(previous_root_index) = root_index else {
1492                        return;
1493                    };
1494                    this.focus_and_scroll_to_nav_entry(previous_root_index, window);
1495                }),
1496            )
1497            .on_action(cx.listener(|this, _: &FocusNextRootNavEntry, window, _| {
1498                let entry_index = this.focused_nav_entry(window).unwrap_or(this.navbar_entry);
1499                let mut root_index = None;
1500                for (index, entry) in this.visible_navbar_entries() {
1501                    if index <= entry_index {
1502                        continue;
1503                    }
1504                    if entry.is_root {
1505                        root_index = Some(index);
1506                        break;
1507                    }
1508                }
1509                let Some(next_root_index) = root_index else {
1510                    return;
1511                };
1512                this.focus_and_scroll_to_nav_entry(next_root_index, window);
1513            }))
1514            .on_action(cx.listener(|this, _: &FocusFirstNavEntry, window, _| {
1515                if let Some((first_entry_index, _)) = this.visible_navbar_entries().next() {
1516                    this.focus_and_scroll_to_nav_entry(first_entry_index, window);
1517                }
1518            }))
1519            .on_action(cx.listener(|this, _: &FocusLastNavEntry, window, _| {
1520                if let Some((last_entry_index, _)) = this.visible_navbar_entries().last() {
1521                    this.focus_and_scroll_to_nav_entry(last_entry_index, window);
1522                }
1523            }))
1524            .border_color(cx.theme().colors().border)
1525            .bg(cx.theme().colors().panel_background)
1526            .child(self.render_search(window, cx))
1527            .child(
1528                v_flex()
1529                    .size_full()
1530                    .track_focus(&self.navbar_focus_handle.focus_handle(cx))
1531                    .tab_group()
1532                    .tab_index(NAVBAR_GROUP_TAB_INDEX)
1533                    .child(
1534                        uniform_list(
1535                            "settings-ui-nav-bar",
1536                            visible_count,
1537                            cx.processor(move |this, range: Range<usize>, _, cx| {
1538                                this.visible_navbar_entries()
1539                                    .skip(range.start.saturating_sub(1))
1540                                    .take(range.len())
1541                                    .map(|(ix, entry)| {
1542                                        TreeViewItem::new(
1543                                            ("settings-ui-navbar-entry", ix),
1544                                            entry.title,
1545                                        )
1546                                        .track_focus(&entry.focus_handle)
1547                                        .root_item(entry.is_root)
1548                                        .toggle_state(this.is_navbar_entry_selected(ix))
1549                                        .when(entry.is_root, |item| {
1550                                            item.expanded(entry.expanded).on_toggle(cx.listener(
1551                                                move |this, _, window, cx| {
1552                                                    this.toggle_navbar_entry(ix);
1553                                                    window.focus(
1554                                                        &this.navbar_entries[ix].focus_handle,
1555                                                    );
1556                                                    cx.notify();
1557                                                },
1558                                            ))
1559                                        })
1560                                        .on_click(
1561                                            cx.listener(move |this, _, window, cx| {
1562                                                this.open_and_scroll_to_navbar_entry(
1563                                                    ix, window, cx,
1564                                                );
1565                                            }),
1566                                        )
1567                                    })
1568                                    .collect()
1569                            }),
1570                        )
1571                        .size_full()
1572                        .track_scroll(self.list_handle.clone()),
1573                    )
1574                    .vertical_scrollbar_for(self.list_handle.clone(), window, cx),
1575            )
1576        // TODO: Restore this once we've fixed the ToggleFocusNav action
1577        // .child(
1578        //     h_flex()
1579        //         .w_full()
1580        //         .p_2()
1581        //         .pb_0p5()
1582        //         .flex_none()
1583        //         .border_t_1()
1584        //         .border_color(cx.theme().colors().border_variant)
1585        //         .children(
1586        //             KeyBinding::for_action(&ToggleFocusNav, window, cx).map(|this| {
1587        //                 KeybindingHint::new(
1588        //                     this,
1589        //                     cx.theme().colors().surface_background.opacity(0.5),
1590        //                 )
1591        //                 .suffix(focus_keybind_label)
1592        //             }),
1593        //         ),
1594        // )
1595    }
1596
1597    fn open_and_scroll_to_navbar_entry(
1598        &mut self,
1599        navbar_entry_index: usize,
1600        window: &mut Window,
1601        cx: &mut Context<Self>,
1602    ) {
1603        self.open_navbar_entry_page(navbar_entry_index);
1604        cx.notify();
1605
1606        if self.navbar_entries[navbar_entry_index].is_root {
1607            let Some(first_item_index) = self.page_items().next().map(|(index, _)| index) else {
1608                return;
1609            };
1610            self.focus_content_element(first_item_index, window, cx);
1611            self.scroll_handle.set_offset(point(px(0.), px(0.)));
1612        } else {
1613            let entry_item_index = self.navbar_entries[navbar_entry_index]
1614                .item_index
1615                .expect("Non-root items should have an item index");
1616            let Some(selected_item_index) = self
1617                .page_items()
1618                .position(|(index, _)| index == entry_item_index)
1619            else {
1620                return;
1621            };
1622            self.scroll_handle
1623                .scroll_to_top_of_item(selected_item_index);
1624            self.focus_content_element(selected_item_index, window, cx);
1625        }
1626    }
1627
1628    fn focus_and_scroll_to_nav_entry(&self, nav_entry_index: usize, window: &mut Window) {
1629        let Some(position) = self
1630            .visible_navbar_entries()
1631            .position(|(index, _)| index == nav_entry_index)
1632        else {
1633            return;
1634        };
1635        self.list_handle
1636            .scroll_to_item(position, gpui::ScrollStrategy::Top);
1637        window.focus(&self.navbar_entries[nav_entry_index].focus_handle);
1638    }
1639
1640    fn page_items(&self) -> impl Iterator<Item = (usize, &SettingsPageItem)> {
1641        let page_idx = self.current_page_index();
1642
1643        self.current_page()
1644            .items
1645            .iter()
1646            .enumerate()
1647            .filter_map(move |(item_index, item)| {
1648                self.search_matches[page_idx][item_index].then_some((item_index, item))
1649            })
1650    }
1651
1652    fn render_sub_page_breadcrumbs(&self) -> impl IntoElement {
1653        let mut items = vec![];
1654        items.push(self.current_page().title);
1655        items.extend(
1656            sub_page_stack()
1657                .iter()
1658                .flat_map(|page| [page.section_header, page.link.title]),
1659        );
1660
1661        let last = items.pop().unwrap();
1662        h_flex()
1663            .gap_1()
1664            .children(
1665                items
1666                    .into_iter()
1667                    .flat_map(|item| [item, "/"])
1668                    .map(|item| Label::new(item).color(Color::Muted)),
1669            )
1670            .child(Label::new(last))
1671    }
1672
1673    fn render_page_items<'a, Items: Iterator<Item = (usize, &'a SettingsPageItem)>>(
1674        &self,
1675        items: Items,
1676        page_index: Option<usize>,
1677        window: &mut Window,
1678        cx: &mut Context<SettingsWindow>,
1679    ) -> impl IntoElement {
1680        let mut page_content = v_flex()
1681            .id("settings-ui-page")
1682            .size_full()
1683            .overflow_y_scroll()
1684            .track_scroll(&self.scroll_handle);
1685
1686        let items: Vec<_> = items.collect();
1687        let items_len = items.len();
1688        let mut section_header = None;
1689
1690        let has_active_search = !self.search_bar.read(cx).is_empty(cx);
1691        let has_no_results = items_len == 0 && has_active_search;
1692
1693        if has_no_results {
1694            let search_query = self.search_bar.read(cx).text(cx);
1695            page_content = page_content.child(
1696                v_flex()
1697                    .size_full()
1698                    .items_center()
1699                    .justify_center()
1700                    .gap_1()
1701                    .child(div().child("No Results"))
1702                    .child(
1703                        div()
1704                            .text_sm()
1705                            .text_color(cx.theme().colors().text_muted)
1706                            .child(format!("No settings match \"{}\"", search_query)),
1707                    ),
1708            )
1709        } else {
1710            let last_non_header_index = items
1711                .iter()
1712                .enumerate()
1713                .rev()
1714                .find(|(_, (_, item))| !matches!(item, SettingsPageItem::SectionHeader(_)))
1715                .map(|(index, _)| index);
1716
1717            page_content = page_content.children(items.clone().into_iter().enumerate().map(
1718                |(index, (actual_item_index, item))| {
1719                    let no_bottom_border = items
1720                        .get(index + 1)
1721                        .map(|(_, next_item)| {
1722                            matches!(next_item, SettingsPageItem::SectionHeader(_))
1723                        })
1724                        .unwrap_or(false);
1725                    let is_last = Some(index) == last_non_header_index;
1726
1727                    if let SettingsPageItem::SectionHeader(header) = item {
1728                        section_header = Some(*header);
1729                    }
1730                    v_flex()
1731                        .w_full()
1732                        .min_w_0()
1733                        .when_some(page_index, |element, page_index| {
1734                            element.track_focus(
1735                                &self.content_handles[page_index][actual_item_index]
1736                                    .focus_handle(cx),
1737                            )
1738                        })
1739                        .child(item.render(
1740                            self,
1741                            section_header.expect("All items rendered after a section header"),
1742                            index,
1743                            no_bottom_border || is_last,
1744                            window,
1745                            cx,
1746                        ))
1747                },
1748            ))
1749        }
1750        page_content
1751    }
1752
1753    fn render_page(
1754        &mut self,
1755        window: &mut Window,
1756        cx: &mut Context<SettingsWindow>,
1757    ) -> impl IntoElement {
1758        let page_header;
1759        let page_content;
1760
1761        if sub_page_stack().len() == 0 {
1762            page_header = self.render_files_header(window, cx).into_any_element();
1763
1764            page_content = self
1765                .render_page_items(
1766                    self.page_items(),
1767                    Some(self.current_page_index()),
1768                    window,
1769                    cx,
1770                )
1771                .into_any_element();
1772        } else {
1773            page_header = h_flex()
1774                .ml_neg_1p5()
1775                .pb_4()
1776                .gap_1()
1777                .child(
1778                    IconButton::new("back-btn", IconName::ArrowLeft)
1779                        .icon_size(IconSize::Small)
1780                        .shape(IconButtonShape::Square)
1781                        .on_click(cx.listener(|this, _, _, cx| {
1782                            this.pop_sub_page(cx);
1783                        })),
1784                )
1785                .child(self.render_sub_page_breadcrumbs())
1786                .into_any_element();
1787
1788            let active_page_render_fn = sub_page_stack().last().unwrap().link.render.clone();
1789            page_content = (active_page_render_fn)(self, window, cx);
1790        }
1791
1792        return v_flex()
1793            .size_full()
1794            .pt_6()
1795            .pb_8()
1796            .px_8()
1797            .track_focus(&self.content_focus_handle.focus_handle(cx))
1798            .bg(cx.theme().colors().editor_background)
1799            .vertical_scrollbar_for(self.scroll_handle.clone(), window, cx)
1800            .child(page_header)
1801            .child(
1802                div()
1803                    .size_full()
1804                    .track_focus(&self.content_focus_handle.focus_handle(cx))
1805                    .tab_group()
1806                    .tab_index(CONTENT_GROUP_TAB_INDEX)
1807                    .child(page_content),
1808            );
1809    }
1810
1811    fn open_current_settings_file(&mut self, cx: &mut Context<Self>) {
1812        match &self.current_file {
1813            SettingsUiFile::User => {
1814                let Some(original_window) = self.original_window else {
1815                    return;
1816                };
1817                original_window
1818                    .update(cx, |workspace, window, cx| {
1819                        workspace
1820                            .with_local_workspace(window, cx, |workspace, window, cx| {
1821                                let create_task = workspace.project().update(cx, |project, cx| {
1822                                    project.find_or_create_worktree(
1823                                        paths::config_dir().as_path(),
1824                                        false,
1825                                        cx,
1826                                    )
1827                                });
1828                                let open_task = workspace.open_paths(
1829                                    vec![paths::settings_file().to_path_buf()],
1830                                    OpenOptions {
1831                                        visible: Some(OpenVisible::None),
1832                                        ..Default::default()
1833                                    },
1834                                    None,
1835                                    window,
1836                                    cx,
1837                                );
1838
1839                                cx.spawn_in(window, async move |workspace, cx| {
1840                                    create_task.await.ok();
1841                                    open_task.await;
1842
1843                                    workspace.update_in(cx, |_, window, cx| {
1844                                        window.activate_window();
1845                                        cx.notify();
1846                                    })
1847                                })
1848                                .detach();
1849                            })
1850                            .detach();
1851                    })
1852                    .ok();
1853            }
1854            SettingsUiFile::Project((worktree_id, path)) => {
1855                let mut corresponding_workspace: Option<WindowHandle<Workspace>> = None;
1856                let settings_path = path.join(paths::local_settings_file_relative_path());
1857                let Some(app_state) = workspace::AppState::global(cx).upgrade() else {
1858                    return;
1859                };
1860                for workspace in app_state.workspace_store.read(cx).workspaces() {
1861                    let contains_settings_file = workspace
1862                        .read_with(cx, |workspace, cx| {
1863                            workspace.project().read(cx).contains_local_settings_file(
1864                                *worktree_id,
1865                                settings_path.as_ref(),
1866                                cx,
1867                            )
1868                        })
1869                        .ok();
1870                    if Some(true) == contains_settings_file {
1871                        corresponding_workspace = Some(*workspace);
1872
1873                        break;
1874                    }
1875                }
1876
1877                let Some(corresponding_workspace) = corresponding_workspace else {
1878                    log::error!(
1879                        "No corresponding workspace found for settings file {}",
1880                        settings_path.as_std_path().display()
1881                    );
1882
1883                    return;
1884                };
1885
1886                // TODO: move zed::open_local_file() APIs to this crate, and
1887                // re-implement the "initial_contents" behavior
1888                corresponding_workspace
1889                    .update(cx, |workspace, window, cx| {
1890                        let open_task = workspace.open_path(
1891                            (*worktree_id, settings_path.clone()),
1892                            None,
1893                            true,
1894                            window,
1895                            cx,
1896                        );
1897
1898                        cx.spawn_in(window, async move |workspace, cx| {
1899                            if open_task.await.log_err().is_some() {
1900                                workspace
1901                                    .update_in(cx, |_, window, cx| {
1902                                        window.activate_window();
1903                                        cx.notify();
1904                                    })
1905                                    .ok();
1906                            }
1907                        })
1908                        .detach();
1909                    })
1910                    .ok();
1911            }
1912            SettingsUiFile::Server(_) => {
1913                return;
1914            }
1915        };
1916    }
1917
1918    fn current_page_index(&self) -> usize {
1919        self.page_index_from_navbar_index(self.navbar_entry)
1920    }
1921
1922    fn current_page(&self) -> &SettingsPage {
1923        &self.pages[self.current_page_index()]
1924    }
1925
1926    fn page_index_from_navbar_index(&self, index: usize) -> usize {
1927        if self.navbar_entries.is_empty() {
1928            return 0;
1929        }
1930
1931        self.navbar_entries[index].page_index
1932    }
1933
1934    fn is_navbar_entry_selected(&self, ix: usize) -> bool {
1935        ix == self.navbar_entry
1936    }
1937
1938    fn push_sub_page(
1939        &mut self,
1940        sub_page_link: SubPageLink,
1941        section_header: &'static str,
1942        cx: &mut Context<SettingsWindow>,
1943    ) {
1944        sub_page_stack_mut().push(SubPage {
1945            link: sub_page_link,
1946            section_header,
1947        });
1948        cx.notify();
1949    }
1950
1951    fn pop_sub_page(&mut self, cx: &mut Context<SettingsWindow>) {
1952        sub_page_stack_mut().pop();
1953        cx.notify();
1954    }
1955
1956    fn focus_file_at_index(&mut self, index: usize, window: &mut Window) {
1957        if let Some((_, handle)) = self.files.get(index) {
1958            handle.focus(window);
1959        }
1960    }
1961
1962    fn focused_file_index(&self, window: &Window, cx: &Context<Self>) -> usize {
1963        if self.files_focus_handle.contains_focused(window, cx)
1964            && let Some(index) = self
1965                .files
1966                .iter()
1967                .position(|(_, handle)| handle.is_focused(window))
1968        {
1969            return index;
1970        }
1971        if let Some(current_file_index) = self
1972            .files
1973            .iter()
1974            .position(|(file, _)| file == &self.current_file)
1975        {
1976            return current_file_index;
1977        }
1978        0
1979    }
1980
1981    fn focus_content_element(&self, item_index: usize, window: &mut Window, cx: &mut App) {
1982        if !sub_page_stack().is_empty() {
1983            return;
1984        }
1985        let page_index = self.current_page_index();
1986        window.focus(&self.content_handles[page_index][item_index].focus_handle(cx));
1987    }
1988
1989    fn focused_nav_entry(&self, window: &Window) -> Option<usize> {
1990        for (index, entry) in self.navbar_entries.iter().enumerate() {
1991            if entry.focus_handle.is_focused(window) {
1992                return Some(index);
1993            }
1994        }
1995        None
1996    }
1997
1998    fn root_entry_containing(&self, nav_entry_index: usize) -> usize {
1999        let mut index = Some(nav_entry_index);
2000        while let Some(prev_index) = index
2001            && !self.navbar_entries[prev_index].is_root
2002        {
2003            index = prev_index.checked_sub(1);
2004        }
2005        return index.expect("No root entry found");
2006    }
2007}
2008
2009impl Render for SettingsWindow {
2010    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2011        let ui_font = theme::setup_ui_font(window, cx);
2012
2013        div()
2014            .id("settings-window")
2015            .key_context("SettingsWindow")
2016            .track_focus(&self.focus_handle)
2017            .on_action(cx.listener(|this, _: &OpenCurrentFile, _, cx| {
2018                this.open_current_settings_file(cx);
2019            }))
2020            .on_action(|_: &Minimize, window, _cx| {
2021                window.minimize_window();
2022            })
2023            .on_action(cx.listener(|this, _: &search::FocusSearch, window, cx| {
2024                this.search_bar.focus_handle(cx).focus(window);
2025            }))
2026            .on_action(cx.listener(|this, _: &ToggleFocusNav, window, cx| {
2027                if this
2028                    .navbar_focus_handle
2029                    .focus_handle(cx)
2030                    .contains_focused(window, cx)
2031                {
2032                    this.open_and_scroll_to_navbar_entry(this.navbar_entry, window, cx);
2033                } else {
2034                    this.focus_and_scroll_to_nav_entry(this.navbar_entry, window);
2035                }
2036            }))
2037            .on_action(
2038                cx.listener(|this, FocusFile(file_index): &FocusFile, window, _| {
2039                    this.focus_file_at_index(*file_index as usize, window);
2040                }),
2041            )
2042            .on_action(cx.listener(|this, _: &FocusNextFile, window, cx| {
2043                let next_index = usize::min(
2044                    this.focused_file_index(window, cx) + 1,
2045                    this.files.len().saturating_sub(1),
2046                );
2047                this.focus_file_at_index(next_index, window);
2048            }))
2049            .on_action(cx.listener(|this, _: &FocusPreviousFile, window, cx| {
2050                let prev_index = this.focused_file_index(window, cx).saturating_sub(1);
2051                this.focus_file_at_index(prev_index, window);
2052            }))
2053            .on_action(|_: &menu::SelectNext, window, _| {
2054                window.focus_next();
2055            })
2056            .on_action(|_: &menu::SelectPrevious, window, _| {
2057                window.focus_prev();
2058            })
2059            .flex()
2060            .flex_row()
2061            .size_full()
2062            .font(ui_font)
2063            .bg(cx.theme().colors().background)
2064            .text_color(cx.theme().colors().text)
2065            .child(self.render_nav(window, cx))
2066            .child(self.render_page(window, cx))
2067    }
2068}
2069
2070fn all_projects(cx: &App) -> impl Iterator<Item = Entity<project::Project>> {
2071    workspace::AppState::global(cx)
2072        .upgrade()
2073        .map(|app_state| {
2074            app_state
2075                .workspace_store
2076                .read(cx)
2077                .workspaces()
2078                .iter()
2079                .filter_map(|workspace| Some(workspace.read(cx).ok()?.project().clone()))
2080        })
2081        .into_iter()
2082        .flatten()
2083}
2084
2085fn update_settings_file(
2086    file: SettingsUiFile,
2087    cx: &mut App,
2088    update: impl 'static + Send + FnOnce(&mut SettingsContent, &App),
2089) -> Result<()> {
2090    match file {
2091        SettingsUiFile::Project((worktree_id, rel_path)) => {
2092            let rel_path = rel_path.join(paths::local_settings_file_relative_path());
2093            let project = all_projects(cx).find(|project| {
2094                project.read_with(cx, |project, cx| {
2095                    project.contains_local_settings_file(worktree_id, &rel_path, cx)
2096                })
2097            });
2098            let Some(project) = project else {
2099                anyhow::bail!(
2100                    "Could not find worktree containing settings file: {}",
2101                    &rel_path.display(PathStyle::local())
2102                );
2103            };
2104            project.update(cx, |project, cx| {
2105                project.update_local_settings_file(worktree_id, rel_path, cx, update);
2106            });
2107            return Ok(());
2108        }
2109        SettingsUiFile::User => {
2110            // todo(settings_ui) error?
2111            SettingsStore::global(cx).update_settings_file(<dyn fs::Fs>::global(cx), update);
2112            Ok(())
2113        }
2114        SettingsUiFile::Server(_) => unimplemented!(),
2115    }
2116}
2117
2118fn render_text_field<T: From<String> + Into<String> + AsRef<str> + Clone>(
2119    field: SettingField<T>,
2120    file: SettingsUiFile,
2121    metadata: Option<&SettingsFieldMetadata>,
2122    cx: &mut App,
2123) -> AnyElement {
2124    let (_, initial_text) =
2125        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2126    let initial_text = initial_text.filter(|s| !s.as_ref().is_empty());
2127
2128    SettingsEditor::new()
2129        .tab_index(0)
2130        .when_some(initial_text, |editor, text| {
2131            editor.with_initial_text(text.as_ref().to_string())
2132        })
2133        .when_some(
2134            metadata.and_then(|metadata| metadata.placeholder),
2135            |editor, placeholder| editor.with_placeholder(placeholder),
2136        )
2137        .on_confirm({
2138            move |new_text, cx| {
2139                update_settings_file(file.clone(), cx, move |settings, _cx| {
2140                    *(field.pick_mut)(settings) = new_text.map(Into::into);
2141                })
2142                .log_err(); // todo(settings_ui) don't log err
2143            }
2144        })
2145        .into_any_element()
2146}
2147
2148fn render_toggle_button<B: Into<bool> + From<bool> + Copy>(
2149    field: SettingField<B>,
2150    file: SettingsUiFile,
2151    cx: &mut App,
2152) -> AnyElement {
2153    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2154
2155    let toggle_state = if value.copied().map_or(false, Into::into) {
2156        ToggleState::Selected
2157    } else {
2158        ToggleState::Unselected
2159    };
2160
2161    Switch::new("toggle_button", toggle_state)
2162        .color(ui::SwitchColor::Accent)
2163        .on_click({
2164            move |state, _window, cx| {
2165                let state = *state == ui::ToggleState::Selected;
2166                update_settings_file(file.clone(), cx, move |settings, _cx| {
2167                    *(field.pick_mut)(settings) = Some(state.into());
2168                })
2169                .log_err(); // todo(settings_ui) don't log err
2170            }
2171        })
2172        .tab_index(0_isize)
2173        .color(SwitchColor::Accent)
2174        .into_any_element()
2175}
2176
2177fn render_font_picker(
2178    field: SettingField<settings::FontFamilyName>,
2179    file: SettingsUiFile,
2180    window: &mut Window,
2181    cx: &mut App,
2182) -> AnyElement {
2183    let current_value = SettingsStore::global(cx)
2184        .get_value_from_file(file.to_settings(), field.pick)
2185        .1
2186        .cloned()
2187        .unwrap_or_else(|| SharedString::default().into());
2188
2189    let font_picker = cx.new(|cx| {
2190        ui_input::font_picker(
2191            current_value.clone().into(),
2192            move |font_name, cx| {
2193                update_settings_file(file.clone(), cx, move |settings, _cx| {
2194                    *(field.pick_mut)(settings) = Some(font_name.into());
2195                })
2196                .log_err(); // todo(settings_ui) don't log err
2197            },
2198            window,
2199            cx,
2200        )
2201    });
2202
2203    PopoverMenu::new("font-picker")
2204        .menu(move |_window, _cx| Some(font_picker.clone()))
2205        .trigger(
2206            Button::new("font-family-button", current_value)
2207                .tab_index(0_isize)
2208                .style(ButtonStyle::Outlined)
2209                .size(ButtonSize::Medium)
2210                .icon(IconName::ChevronUpDown)
2211                .icon_color(Color::Muted)
2212                .icon_size(IconSize::Small)
2213                .icon_position(IconPosition::End),
2214        )
2215        .anchor(gpui::Corner::TopLeft)
2216        .offset(gpui::Point {
2217            x: px(0.0),
2218            y: px(2.0),
2219        })
2220        .with_handle(ui::PopoverMenuHandle::default())
2221        .into_any_element()
2222}
2223
2224fn render_number_field<T: NumberFieldType + Send + Sync>(
2225    field: SettingField<T>,
2226    file: SettingsUiFile,
2227    window: &mut Window,
2228    cx: &mut App,
2229) -> AnyElement {
2230    let (_, value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2231    let value = value.copied().unwrap_or_else(T::min_value);
2232    NumberField::new("numeric_stepper", value, window, cx)
2233        .on_change({
2234            move |value, _window, cx| {
2235                let value = *value;
2236                update_settings_file(file.clone(), cx, move |settings, _cx| {
2237                    *(field.pick_mut)(settings) = Some(value);
2238                })
2239                .log_err(); // todo(settings_ui) don't log err
2240            }
2241        })
2242        .into_any_element()
2243}
2244
2245fn render_dropdown<T>(
2246    field: SettingField<T>,
2247    file: SettingsUiFile,
2248    window: &mut Window,
2249    cx: &mut App,
2250) -> AnyElement
2251where
2252    T: strum::VariantArray + strum::VariantNames + Copy + PartialEq + Send + Sync + 'static,
2253{
2254    let variants = || -> &'static [T] { <T as strum::VariantArray>::VARIANTS };
2255    let labels = || -> &'static [&'static str] { <T as strum::VariantNames>::VARIANTS };
2256
2257    let (_, current_value) =
2258        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
2259    let current_value = current_value.copied().unwrap_or(variants()[0]);
2260
2261    let current_value_label =
2262        labels()[variants().iter().position(|v| *v == current_value).unwrap()];
2263
2264    DropdownMenu::new(
2265        "dropdown",
2266        current_value_label.to_title_case(),
2267        ContextMenu::build(window, cx, move |mut menu, _, _| {
2268            for (&value, &label) in std::iter::zip(variants(), labels()) {
2269                let file = file.clone();
2270                menu = menu.toggleable_entry(
2271                    label.to_title_case(),
2272                    value == current_value,
2273                    IconPosition::End,
2274                    None,
2275                    move |_, cx| {
2276                        if value == current_value {
2277                            return;
2278                        }
2279                        update_settings_file(file.clone(), cx, move |settings, _cx| {
2280                            *(field.pick_mut)(settings) = Some(value);
2281                        })
2282                        .log_err(); // todo(settings_ui) don't log err
2283                    },
2284                );
2285            }
2286            menu
2287        }),
2288    )
2289    .trigger_size(ButtonSize::Medium)
2290    .style(DropdownStyle::Outlined)
2291    .offset(gpui::Point {
2292        x: px(0.0),
2293        y: px(2.0),
2294    })
2295    .tab_index(0)
2296    .into_any_element()
2297}
2298
2299#[cfg(test)]
2300mod test {
2301
2302    use super::*;
2303
2304    impl SettingsWindow {
2305        fn navbar_entry(&self) -> usize {
2306            self.navbar_entry
2307        }
2308
2309        fn new_builder(window: &mut Window, cx: &mut Context<Self>) -> Self {
2310            let mut this = Self::new(None, window, cx);
2311            this.navbar_entries.clear();
2312            this.pages.clear();
2313            this
2314        }
2315
2316        fn build(mut self, cx: &App) -> Self {
2317            self.build_search_matches();
2318            self.build_navbar(cx);
2319            self
2320        }
2321
2322        fn add_page(
2323            mut self,
2324            title: &'static str,
2325            build_page: impl Fn(SettingsPage) -> SettingsPage,
2326        ) -> Self {
2327            let page = SettingsPage {
2328                title,
2329                items: Vec::default(),
2330            };
2331
2332            self.pages.push(build_page(page));
2333            self
2334        }
2335
2336        fn search(&mut self, search_query: &str, window: &mut Window, cx: &mut Context<Self>) {
2337            self.search_task.take();
2338            self.search_bar.update(cx, |editor, cx| {
2339                editor.set_text(search_query, window, cx);
2340            });
2341            self.update_matches(cx);
2342        }
2343
2344        fn assert_search_results(&self, other: &Self) {
2345            // page index could be different because of filtered out pages
2346            #[derive(Debug, PartialEq)]
2347            struct EntryMinimal {
2348                is_root: bool,
2349                title: &'static str,
2350            }
2351            pretty_assertions::assert_eq!(
2352                other
2353                    .visible_navbar_entries()
2354                    .map(|(_, entry)| EntryMinimal {
2355                        is_root: entry.is_root,
2356                        title: entry.title,
2357                    })
2358                    .collect::<Vec<_>>(),
2359                self.visible_navbar_entries()
2360                    .map(|(_, entry)| EntryMinimal {
2361                        is_root: entry.is_root,
2362                        title: entry.title,
2363                    })
2364                    .collect::<Vec<_>>(),
2365            );
2366            assert_eq!(
2367                self.current_page().items.iter().collect::<Vec<_>>(),
2368                other.page_items().map(|(_, item)| item).collect::<Vec<_>>()
2369            );
2370        }
2371    }
2372
2373    impl SettingsPage {
2374        fn item(mut self, item: SettingsPageItem) -> Self {
2375            self.items.push(item);
2376            self
2377        }
2378    }
2379
2380    impl PartialEq for NavBarEntry {
2381        fn eq(&self, other: &Self) -> bool {
2382            self.title == other.title
2383                && self.is_root == other.is_root
2384                && self.expanded == other.expanded
2385                && self.page_index == other.page_index
2386                && self.item_index == other.item_index
2387            // ignoring focus_handle
2388        }
2389    }
2390
2391    impl SettingsPageItem {
2392        fn basic_item(title: &'static str, description: &'static str) -> Self {
2393            SettingsPageItem::SettingItem(SettingItem {
2394                files: USER,
2395                title,
2396                description,
2397                field: Box::new(SettingField {
2398                    pick: |settings_content| &settings_content.auto_update,
2399                    pick_mut: |settings_content| &mut settings_content.auto_update,
2400                }),
2401                metadata: None,
2402            })
2403        }
2404    }
2405
2406    fn register_settings(cx: &mut App) {
2407        settings::init(cx);
2408        theme::init(theme::LoadThemes::JustBase, cx);
2409        workspace::init_settings(cx);
2410        project::Project::init_settings(cx);
2411        language::init(cx);
2412        editor::init(cx);
2413        menu::init();
2414    }
2415
2416    fn parse(input: &'static str, window: &mut Window, cx: &mut App) -> SettingsWindow {
2417        let mut pages: Vec<SettingsPage> = Vec::new();
2418        let mut expanded_pages = Vec::new();
2419        let mut selected_idx = None;
2420        let mut index = 0;
2421        let mut in_expanded_section = false;
2422
2423        for mut line in input
2424            .lines()
2425            .map(|line| line.trim())
2426            .filter(|line| !line.is_empty())
2427        {
2428            if let Some(pre) = line.strip_suffix('*') {
2429                assert!(selected_idx.is_none(), "Only one selected entry allowed");
2430                selected_idx = Some(index);
2431                line = pre;
2432            }
2433            let (kind, title) = line.split_once(" ").unwrap();
2434            assert_eq!(kind.len(), 1);
2435            let kind = kind.chars().next().unwrap();
2436            if kind == 'v' {
2437                let page_idx = pages.len();
2438                expanded_pages.push(page_idx);
2439                pages.push(SettingsPage {
2440                    title,
2441                    items: vec![],
2442                });
2443                index += 1;
2444                in_expanded_section = true;
2445            } else if kind == '>' {
2446                pages.push(SettingsPage {
2447                    title,
2448                    items: vec![],
2449                });
2450                index += 1;
2451                in_expanded_section = false;
2452            } else if kind == '-' {
2453                pages
2454                    .last_mut()
2455                    .unwrap()
2456                    .items
2457                    .push(SettingsPageItem::SectionHeader(title));
2458                if selected_idx == Some(index) && !in_expanded_section {
2459                    panic!("Items in unexpanded sections cannot be selected");
2460                }
2461                index += 1;
2462            } else {
2463                panic!(
2464                    "Entries must start with one of 'v', '>', or '-'\n line: {}",
2465                    line
2466                );
2467            }
2468        }
2469
2470        let mut settings_window = SettingsWindow {
2471            original_window: None,
2472            worktree_root_dirs: HashMap::default(),
2473            files: Vec::default(),
2474            current_file: crate::SettingsUiFile::User,
2475            pages,
2476            search_bar: cx.new(|cx| Editor::single_line(window, cx)),
2477            navbar_entry: selected_idx.expect("Must have a selected navbar entry"),
2478            navbar_entries: Vec::default(),
2479            list_handle: UniformListScrollHandle::default(),
2480            search_matches: vec![],
2481            content_handles: vec![],
2482            search_task: None,
2483            scroll_handle: ScrollHandle::new(),
2484            focus_handle: cx.focus_handle(),
2485            navbar_focus_handle: NonFocusableHandle::new(
2486                NAVBAR_CONTAINER_TAB_INDEX,
2487                false,
2488                window,
2489                cx,
2490            ),
2491            content_focus_handle: NonFocusableHandle::new(
2492                CONTENT_CONTAINER_TAB_INDEX,
2493                false,
2494                window,
2495                cx,
2496            ),
2497            files_focus_handle: cx.focus_handle(),
2498        };
2499
2500        settings_window.build_search_matches();
2501        settings_window.build_navbar(cx);
2502        for expanded_page_index in expanded_pages {
2503            for entry in &mut settings_window.navbar_entries {
2504                if entry.page_index == expanded_page_index && entry.is_root {
2505                    entry.expanded = true;
2506                }
2507            }
2508        }
2509        settings_window
2510    }
2511
2512    #[track_caller]
2513    fn check_navbar_toggle(
2514        before: &'static str,
2515        toggle_page: &'static str,
2516        after: &'static str,
2517        window: &mut Window,
2518        cx: &mut App,
2519    ) {
2520        let mut settings_window = parse(before, window, cx);
2521        let toggle_page_idx = settings_window
2522            .pages
2523            .iter()
2524            .position(|page| page.title == toggle_page)
2525            .expect("page not found");
2526        let toggle_idx = settings_window
2527            .navbar_entries
2528            .iter()
2529            .position(|entry| entry.page_index == toggle_page_idx)
2530            .expect("page not found");
2531        settings_window.toggle_navbar_entry(toggle_idx);
2532
2533        let expected_settings_window = parse(after, window, cx);
2534
2535        pretty_assertions::assert_eq!(
2536            settings_window
2537                .visible_navbar_entries()
2538                .map(|(_, entry)| entry)
2539                .collect::<Vec<_>>(),
2540            expected_settings_window
2541                .visible_navbar_entries()
2542                .map(|(_, entry)| entry)
2543                .collect::<Vec<_>>(),
2544        );
2545        pretty_assertions::assert_eq!(
2546            settings_window.navbar_entries[settings_window.navbar_entry()],
2547            expected_settings_window.navbar_entries[expected_settings_window.navbar_entry()],
2548        );
2549    }
2550
2551    macro_rules! check_navbar_toggle {
2552        ($name:ident, before: $before:expr, toggle_page: $toggle_page:expr, after: $after:expr) => {
2553            #[gpui::test]
2554            fn $name(cx: &mut gpui::TestAppContext) {
2555                let window = cx.add_empty_window();
2556                window.update(|window, cx| {
2557                    register_settings(cx);
2558                    check_navbar_toggle($before, $toggle_page, $after, window, cx);
2559                });
2560            }
2561        };
2562    }
2563
2564    check_navbar_toggle!(
2565        navbar_basic_open,
2566        before: r"
2567        v General
2568        - General
2569        - Privacy*
2570        v Project
2571        - Project Settings
2572        ",
2573        toggle_page: "General",
2574        after: r"
2575        > General*
2576        v Project
2577        - Project Settings
2578        "
2579    );
2580
2581    check_navbar_toggle!(
2582        navbar_basic_close,
2583        before: r"
2584        > General*
2585        - General
2586        - Privacy
2587        v Project
2588        - Project Settings
2589        ",
2590        toggle_page: "General",
2591        after: r"
2592        v General*
2593        - General
2594        - Privacy
2595        v Project
2596        - Project Settings
2597        "
2598    );
2599
2600    check_navbar_toggle!(
2601        navbar_basic_second_root_entry_close,
2602        before: r"
2603        > General
2604        - General
2605        - Privacy
2606        v Project
2607        - Project Settings*
2608        ",
2609        toggle_page: "Project",
2610        after: r"
2611        > General
2612        > Project*
2613        "
2614    );
2615
2616    check_navbar_toggle!(
2617        navbar_toggle_subroot,
2618        before: r"
2619        v General Page
2620        - General
2621        - Privacy
2622        v Project
2623        - Worktree Settings Content*
2624        v AI
2625        - General
2626        > Appearance & Behavior
2627        ",
2628        toggle_page: "Project",
2629        after: r"
2630        v General Page
2631        - General
2632        - Privacy
2633        > Project*
2634        v AI
2635        - General
2636        > Appearance & Behavior
2637        "
2638    );
2639
2640    check_navbar_toggle!(
2641        navbar_toggle_close_propagates_selected_index,
2642        before: r"
2643        v General Page
2644        - General
2645        - Privacy
2646        v Project
2647        - Worktree Settings Content
2648        v AI
2649        - General*
2650        > Appearance & Behavior
2651        ",
2652        toggle_page: "General Page",
2653        after: r"
2654        > General Page
2655        v Project
2656        - Worktree Settings Content
2657        v AI
2658        - General*
2659        > Appearance & Behavior
2660        "
2661    );
2662
2663    check_navbar_toggle!(
2664        navbar_toggle_expand_propagates_selected_index,
2665        before: r"
2666        > General Page
2667        - General
2668        - Privacy
2669        v Project
2670        - Worktree Settings Content
2671        v AI
2672        - General*
2673        > Appearance & Behavior
2674        ",
2675        toggle_page: "General Page",
2676        after: r"
2677        v General Page
2678        - General
2679        - Privacy
2680        v Project
2681        - Worktree Settings Content
2682        v AI
2683        - General*
2684        > Appearance & Behavior
2685        "
2686    );
2687
2688    #[gpui::test]
2689    fn test_basic_search(cx: &mut gpui::TestAppContext) {
2690        let cx = cx.add_empty_window();
2691        let (actual, expected) = cx.update(|window, cx| {
2692            register_settings(cx);
2693
2694            let expected = cx.new(|cx| {
2695                SettingsWindow::new_builder(window, cx)
2696                    .add_page("General", |page| {
2697                        page.item(SettingsPageItem::SectionHeader("General settings"))
2698                            .item(SettingsPageItem::basic_item("test title", "General test"))
2699                    })
2700                    .build(cx)
2701            });
2702
2703            let actual = cx.new(|cx| {
2704                SettingsWindow::new_builder(window, cx)
2705                    .add_page("General", |page| {
2706                        page.item(SettingsPageItem::SectionHeader("General settings"))
2707                            .item(SettingsPageItem::basic_item("test title", "General test"))
2708                    })
2709                    .add_page("Theme", |page| {
2710                        page.item(SettingsPageItem::SectionHeader("Theme settings"))
2711                    })
2712                    .build(cx)
2713            });
2714
2715            actual.update(cx, |settings, cx| settings.search("gen", window, cx));
2716
2717            (actual, expected)
2718        });
2719
2720        cx.cx.run_until_parked();
2721
2722        cx.update(|_window, cx| {
2723            let expected = expected.read(cx);
2724            let actual = actual.read(cx);
2725            expected.assert_search_results(&actual);
2726        })
2727    }
2728
2729    #[gpui::test]
2730    fn test_search_render_page_with_filtered_out_navbar_entries(cx: &mut gpui::TestAppContext) {
2731        let cx = cx.add_empty_window();
2732        let (actual, expected) = cx.update(|window, cx| {
2733            register_settings(cx);
2734
2735            let actual = cx.new(|cx| {
2736                SettingsWindow::new_builder(window, cx)
2737                    .add_page("General", |page| {
2738                        page.item(SettingsPageItem::SectionHeader("General settings"))
2739                            .item(SettingsPageItem::basic_item(
2740                                "Confirm Quit",
2741                                "Whether to confirm before quitting Zed",
2742                            ))
2743                            .item(SettingsPageItem::basic_item(
2744                                "Auto Update",
2745                                "Automatically update Zed",
2746                            ))
2747                    })
2748                    .add_page("AI", |page| {
2749                        page.item(SettingsPageItem::basic_item(
2750                            "Disable AI",
2751                            "Whether to disable all AI features in Zed",
2752                        ))
2753                    })
2754                    .add_page("Appearance & Behavior", |page| {
2755                        page.item(SettingsPageItem::SectionHeader("Cursor")).item(
2756                            SettingsPageItem::basic_item(
2757                                "Cursor Shape",
2758                                "Cursor shape for the editor",
2759                            ),
2760                        )
2761                    })
2762                    .build(cx)
2763            });
2764
2765            let expected = cx.new(|cx| {
2766                SettingsWindow::new_builder(window, cx)
2767                    .add_page("Appearance & Behavior", |page| {
2768                        page.item(SettingsPageItem::SectionHeader("Cursor")).item(
2769                            SettingsPageItem::basic_item(
2770                                "Cursor Shape",
2771                                "Cursor shape for the editor",
2772                            ),
2773                        )
2774                    })
2775                    .build(cx)
2776            });
2777
2778            actual.update(cx, |settings, cx| settings.search("cursor", window, cx));
2779
2780            (actual, expected)
2781        });
2782
2783        cx.cx.run_until_parked();
2784
2785        cx.update(|_window, cx| {
2786            let expected = expected.read(cx);
2787            let actual = actual.read(cx);
2788            expected.assert_search_results(&actual);
2789        })
2790    }
2791}