settings_ui.rs

   1//! # settings_ui
   2mod components;
   3mod page_data;
   4
   5use anyhow::Result;
   6use editor::{Editor, EditorEvent};
   7use feature_flags::{FeatureFlag, FeatureFlagAppExt as _};
   8use fuzzy::StringMatchCandidate;
   9use gpui::{
  10    App, Div, Entity, Focusable, FontWeight, Global, ReadGlobal as _, ScrollHandle, Task,
  11    TitlebarOptions, UniformListScrollHandle, Window, WindowHandle, WindowOptions, div, point,
  12    prelude::*, px, size, uniform_list,
  13};
  14use project::WorktreeId;
  15use settings::{
  16    BottomDockLayout, CloseWindowWhenNoItems, CodeFade, CursorShape, OnLastWindowClosed,
  17    RestoreOnStartupBehavior, SaturatingBool, SettingsContent, SettingsStore,
  18};
  19use std::{
  20    any::{Any, TypeId, type_name},
  21    cell::RefCell,
  22    collections::HashMap,
  23    num::NonZeroU32,
  24    ops::Range,
  25    rc::Rc,
  26    sync::{Arc, atomic::AtomicBool},
  27};
  28use ui::{
  29    ButtonLike, ContextMenu, Divider, DropdownMenu, DropdownStyle, IconButtonShape, PopoverMenu,
  30    Switch, SwitchColor, TreeViewItem, WithScrollbar, prelude::*,
  31};
  32use ui_input::{NumericStepper, NumericStepperStyle, NumericStepperType};
  33use util::{ResultExt as _, paths::PathStyle, rel_path::RelPath};
  34use zed_actions::OpenSettingsEditor;
  35
  36use crate::components::SettingsEditor;
  37
  38#[derive(Clone, Copy)]
  39struct SettingField<T: 'static> {
  40    pick: fn(&SettingsContent) -> &Option<T>,
  41    pick_mut: fn(&mut SettingsContent) -> &mut Option<T>,
  42}
  43
  44trait AnySettingField {
  45    fn as_any(&self) -> &dyn Any;
  46    fn type_name(&self) -> &'static str;
  47    fn type_id(&self) -> TypeId;
  48    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> settings::SettingsFile;
  49}
  50
  51impl<T> AnySettingField for SettingField<T> {
  52    fn as_any(&self) -> &dyn Any {
  53        self
  54    }
  55
  56    fn type_name(&self) -> &'static str {
  57        type_name::<T>()
  58    }
  59
  60    fn type_id(&self) -> TypeId {
  61        TypeId::of::<T>()
  62    }
  63
  64    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> settings::SettingsFile {
  65        let (file, _) = cx
  66            .global::<SettingsStore>()
  67            .get_value_from_file(file.to_settings(), self.pick);
  68        return file;
  69    }
  70}
  71
  72#[derive(Default, Clone)]
  73struct SettingFieldRenderer {
  74    renderers: Rc<
  75        RefCell<
  76            HashMap<
  77                TypeId,
  78                Box<
  79                    dyn Fn(
  80                        &dyn AnySettingField,
  81                        SettingsUiFile,
  82                        Option<&SettingsFieldMetadata>,
  83                        &mut Window,
  84                        &mut App,
  85                    ) -> AnyElement,
  86                >,
  87            >,
  88        >,
  89    >,
  90}
  91
  92impl Global for SettingFieldRenderer {}
  93
  94impl SettingFieldRenderer {
  95    fn add_renderer<T: 'static>(
  96        &mut self,
  97        renderer: impl Fn(
  98            &SettingField<T>,
  99            SettingsUiFile,
 100            Option<&SettingsFieldMetadata>,
 101            &mut Window,
 102            &mut App,
 103        ) -> AnyElement
 104        + 'static,
 105    ) -> &mut Self {
 106        let key = TypeId::of::<T>();
 107        let renderer = Box::new(
 108            move |any_setting_field: &dyn AnySettingField,
 109                  settings_file: SettingsUiFile,
 110                  metadata: Option<&SettingsFieldMetadata>,
 111                  window: &mut Window,
 112                  cx: &mut App| {
 113                let field = any_setting_field
 114                    .as_any()
 115                    .downcast_ref::<SettingField<T>>()
 116                    .unwrap();
 117                renderer(field, settings_file, metadata, window, cx)
 118            },
 119        );
 120        self.renderers.borrow_mut().insert(key, renderer);
 121        self
 122    }
 123
 124    fn render(
 125        &self,
 126        any_setting_field: &dyn AnySettingField,
 127        settings_file: SettingsUiFile,
 128        metadata: Option<&SettingsFieldMetadata>,
 129        window: &mut Window,
 130        cx: &mut App,
 131    ) -> AnyElement {
 132        let key = any_setting_field.type_id();
 133        if let Some(renderer) = self.renderers.borrow().get(&key) {
 134            renderer(any_setting_field, settings_file, metadata, window, cx)
 135        } else {
 136            panic!(
 137                "No renderer found for type: {}",
 138                any_setting_field.type_name()
 139            )
 140        }
 141    }
 142}
 143
 144struct SettingsFieldMetadata {
 145    placeholder: Option<&'static str>,
 146}
 147
 148pub struct SettingsUiFeatureFlag;
 149
 150impl FeatureFlag for SettingsUiFeatureFlag {
 151    const NAME: &'static str = "settings-ui";
 152}
 153
 154pub fn init(cx: &mut App) {
 155    init_renderers(cx);
 156
 157    cx.observe_new(|workspace: &mut workspace::Workspace, _, _| {
 158        workspace.register_action_renderer(|div, _, _, cx| {
 159            let settings_ui_actions = [std::any::TypeId::of::<OpenSettingsEditor>()];
 160            let has_flag = cx.has_flag::<SettingsUiFeatureFlag>();
 161            command_palette_hooks::CommandPaletteFilter::update_global(cx, |filter, _| {
 162                if has_flag {
 163                    filter.show_action_types(&settings_ui_actions);
 164                } else {
 165                    filter.hide_action_types(&settings_ui_actions);
 166                }
 167            });
 168            if has_flag {
 169                div.on_action(cx.listener(|_, _: &OpenSettingsEditor, _, cx| {
 170                    open_settings_editor(cx).ok();
 171                }))
 172            } else {
 173                div
 174            }
 175        });
 176    })
 177    .detach();
 178}
 179
 180fn init_renderers(cx: &mut App) {
 181    // fn (field: SettingsField, current_file: SettingsFile, cx) -> (currently_set_in: SettingsFile, overridden_in: Vec<SettingsFile>)
 182    cx.default_global::<SettingFieldRenderer>()
 183        .add_renderer::<bool>(|settings_field, file, _, _, cx| {
 184            render_toggle_button(*settings_field, file, cx).into_any_element()
 185        })
 186        .add_renderer::<String>(|settings_field, file, metadata, _, cx| {
 187            render_text_field(settings_field.clone(), file, metadata, cx)
 188        })
 189        .add_renderer::<SaturatingBool>(|settings_field, file, _, _, cx| {
 190            render_toggle_button(*settings_field, file, cx)
 191        })
 192        .add_renderer::<CursorShape>(|settings_field, file, _, window, cx| {
 193            render_dropdown(*settings_field, file, window, cx)
 194        })
 195        .add_renderer::<RestoreOnStartupBehavior>(|settings_field, file, _, window, cx| {
 196            render_dropdown(*settings_field, file, window, cx)
 197        })
 198        .add_renderer::<BottomDockLayout>(|settings_field, file, _, window, cx| {
 199            render_dropdown(*settings_field, file, window, cx)
 200        })
 201        .add_renderer::<OnLastWindowClosed>(|settings_field, file, _, window, cx| {
 202            render_dropdown(*settings_field, file, window, cx)
 203        })
 204        .add_renderer::<CloseWindowWhenNoItems>(|settings_field, file, _, window, cx| {
 205            render_dropdown(*settings_field, file, window, cx)
 206        })
 207        .add_renderer::<settings::FontFamilyName>(|settings_field, file, _, window, cx| {
 208            // todo(settings_ui): We need to pass in a validator for this to ensure that users that type in invalid font names
 209            render_font_picker(settings_field.clone(), file, window, cx)
 210        })
 211        .add_renderer::<settings::BufferLineHeight>(|settings_field, file, _, window, cx| {
 212            // todo(settings_ui): Do we want to expose the custom variant of buffer line height?
 213            // right now there's a manual impl of strum::VariantArray
 214            render_dropdown(*settings_field, file, window, cx)
 215        })
 216        .add_renderer::<settings::BaseKeymapContent>(|settings_field, file, _, window, cx| {
 217            render_dropdown(*settings_field, file, window, cx)
 218        })
 219        .add_renderer::<settings::MultiCursorModifier>(|settings_field, file, _, window, cx| {
 220            render_dropdown(*settings_field, file, window, cx)
 221        })
 222        .add_renderer::<settings::HideMouseMode>(|settings_field, file, _, window, cx| {
 223            render_dropdown(*settings_field, file, window, cx)
 224        })
 225        .add_renderer::<settings::CurrentLineHighlight>(|settings_field, file, _, window, cx| {
 226            render_dropdown(*settings_field, file, window, cx)
 227        })
 228        .add_renderer::<settings::ShowWhitespaceSetting>(|settings_field, file, _, window, cx| {
 229            render_dropdown(*settings_field, file, window, cx)
 230        })
 231        .add_renderer::<settings::SoftWrap>(|settings_field, file, _, window, cx| {
 232            render_dropdown(*settings_field, file, window, cx)
 233        })
 234        .add_renderer::<settings::ScrollBeyondLastLine>(|settings_field, file, _, window, cx| {
 235            render_dropdown(*settings_field, file, window, cx)
 236        })
 237        .add_renderer::<settings::SnippetSortOrder>(|settings_field, file, _, window, cx| {
 238            render_dropdown(*settings_field, file, window, cx)
 239        })
 240        .add_renderer::<settings::ClosePosition>(|settings_field, file, _, window, cx| {
 241            render_dropdown(*settings_field, file, window, cx)
 242        })
 243        .add_renderer::<settings::DockSide>(|settings_field, file, _, window, cx| {
 244            render_dropdown(*settings_field, file, window, cx)
 245        })
 246        .add_renderer::<settings::TerminalDockPosition>(|settings_field, file, _, window, cx| {
 247            render_dropdown(*settings_field, file, window, cx)
 248        })
 249        .add_renderer::<settings::GitGutterSetting>(|settings_field, file, _, window, cx| {
 250            render_dropdown(*settings_field, file, window, cx)
 251        })
 252        .add_renderer::<settings::GitHunkStyleSetting>(|settings_field, file, _, window, cx| {
 253            render_dropdown(*settings_field, file, window, cx)
 254        })
 255        .add_renderer::<settings::DiagnosticSeverityContent>(
 256            |settings_field, file, _, window, cx| {
 257                render_dropdown(*settings_field, file, window, cx)
 258            },
 259        )
 260        .add_renderer::<settings::SeedQuerySetting>(|settings_field, file, _, window, cx| {
 261            render_dropdown(*settings_field, file, window, cx)
 262        })
 263        .add_renderer::<settings::DoubleClickInMultibuffer>(
 264            |settings_field, file, _, window, cx| {
 265                render_dropdown(*settings_field, file, window, cx)
 266            },
 267        )
 268        .add_renderer::<settings::GoToDefinitionFallback>(|settings_field, file, _, window, cx| {
 269            render_dropdown(*settings_field, file, window, cx)
 270        })
 271        .add_renderer::<settings::ActivateOnClose>(|settings_field, file, _, window, cx| {
 272            render_dropdown(*settings_field, file, window, cx)
 273        })
 274        .add_renderer::<settings::ShowDiagnostics>(|settings_field, file, _, window, cx| {
 275            render_dropdown(*settings_field, file, window, cx)
 276        })
 277        .add_renderer::<settings::ShowCloseButton>(|settings_field, file, _, window, cx| {
 278            render_dropdown(*settings_field, file, window, cx)
 279        })
 280        .add_renderer::<f32>(|settings_field, file, _, window, cx| {
 281            render_numeric_stepper(*settings_field, file, window, cx)
 282        })
 283        .add_renderer::<u32>(|settings_field, file, _, window, cx| {
 284            render_numeric_stepper(*settings_field, file, window, cx)
 285        })
 286        .add_renderer::<u64>(|settings_field, file, _, window, cx| {
 287            render_numeric_stepper(*settings_field, file, window, cx)
 288        })
 289        .add_renderer::<NonZeroU32>(|settings_field, file, _, window, cx| {
 290            render_numeric_stepper(*settings_field, file, window, cx)
 291        })
 292        .add_renderer::<CodeFade>(|settings_field, file, _, window, cx| {
 293            render_numeric_stepper(*settings_field, file, window, cx)
 294        })
 295        .add_renderer::<FontWeight>(|settings_field, file, _, window, cx| {
 296            render_numeric_stepper(*settings_field, file, window, cx)
 297        });
 298
 299    // todo(settings_ui): Figure out how we want to handle discriminant unions
 300    // .add_renderer::<ThemeSelection>(|settings_field, file, _, window, cx| {
 301    //     render_dropdown(*settings_field, file, window, cx)
 302    // });
 303}
 304
 305pub fn open_settings_editor(cx: &mut App) -> anyhow::Result<WindowHandle<SettingsWindow>> {
 306    cx.open_window(
 307        WindowOptions {
 308            titlebar: Some(TitlebarOptions {
 309                title: Some("Settings Window".into()),
 310                appears_transparent: true,
 311                traffic_light_position: Some(point(px(12.0), px(12.0))),
 312            }),
 313            focus: true,
 314            show: true,
 315            kind: gpui::WindowKind::Normal,
 316            window_background: cx.theme().window_background_appearance(),
 317            window_min_size: Some(size(px(800.), px(600.))), // 4:3 Aspect Ratio
 318            ..Default::default()
 319        },
 320        |window, cx| cx.new(|cx| SettingsWindow::new(window, cx)),
 321    )
 322}
 323
 324pub struct SettingsWindow {
 325    files: Vec<SettingsUiFile>,
 326    current_file: SettingsUiFile,
 327    pages: Vec<SettingsPage>,
 328    search_bar: Entity<Editor>,
 329    search_task: Option<Task<()>>,
 330    navbar_entry: usize, // Index into pages - should probably be (usize, Option<usize>) for section + page
 331    navbar_entries: Vec<NavBarEntry>,
 332    list_handle: UniformListScrollHandle,
 333    search_matches: Vec<Vec<bool>>,
 334    /// The current sub page path that is selected.
 335    /// If this is empty the selected page is rendered,
 336    /// otherwise the last sub page gets rendered.
 337    sub_page_stack: Vec<SubPage>,
 338    scroll_handle: ScrollHandle,
 339}
 340
 341struct SubPage {
 342    link: SubPageLink,
 343    section_header: &'static str,
 344}
 345
 346#[derive(PartialEq, Debug)]
 347struct NavBarEntry {
 348    title: &'static str,
 349    is_root: bool,
 350    expanded: bool,
 351    page_index: usize,
 352    item_index: Option<usize>,
 353}
 354
 355struct SettingsPage {
 356    title: &'static str,
 357    items: Vec<SettingsPageItem>,
 358}
 359
 360#[derive(PartialEq)]
 361enum SettingsPageItem {
 362    SectionHeader(&'static str),
 363    SettingItem(SettingItem),
 364    SubPageLink(SubPageLink),
 365}
 366
 367impl std::fmt::Debug for SettingsPageItem {
 368    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 369        match self {
 370            SettingsPageItem::SectionHeader(header) => write!(f, "SectionHeader({})", header),
 371            SettingsPageItem::SettingItem(setting_item) => {
 372                write!(f, "SettingItem({})", setting_item.title)
 373            }
 374            SettingsPageItem::SubPageLink(sub_page_link) => {
 375                write!(f, "SubPageLink({})", sub_page_link.title)
 376            }
 377        }
 378    }
 379}
 380
 381impl SettingsPageItem {
 382    fn render(
 383        &self,
 384        file: SettingsUiFile,
 385        section_header: &'static str,
 386        is_last: bool,
 387        window: &mut Window,
 388        cx: &mut Context<SettingsWindow>,
 389    ) -> AnyElement {
 390        match self {
 391            SettingsPageItem::SectionHeader(header) => v_flex()
 392                .w_full()
 393                .gap_1()
 394                .child(
 395                    Label::new(SharedString::new_static(header))
 396                        .size(LabelSize::XSmall)
 397                        .color(Color::Muted)
 398                        .buffer_font(cx),
 399                )
 400                .child(Divider::horizontal().color(ui::DividerColor::BorderVariant))
 401                .into_any_element(),
 402            SettingsPageItem::SettingItem(setting_item) => {
 403                let renderer = cx.default_global::<SettingFieldRenderer>().clone();
 404                let file_set_in =
 405                    SettingsUiFile::from_settings(setting_item.field.file_set_in(file.clone(), cx));
 406
 407                h_flex()
 408                    .id(setting_item.title)
 409                    .w_full()
 410                    .gap_2()
 411                    .flex_wrap()
 412                    .justify_between()
 413                    .map(|this| {
 414                        if is_last {
 415                            this.pb_6()
 416                        } else {
 417                            this.pb_4()
 418                                .border_b_1()
 419                                .border_color(cx.theme().colors().border_variant)
 420                        }
 421                    })
 422                    .child(
 423                        v_flex()
 424                            .max_w_1_2()
 425                            .flex_shrink()
 426                            .child(
 427                                h_flex()
 428                                    .w_full()
 429                                    .gap_1()
 430                                    .child(Label::new(SharedString::new_static(setting_item.title)))
 431                                    .when_some(
 432                                        file_set_in.filter(|file_set_in| file_set_in != &file),
 433                                        |this, file_set_in| {
 434                                            this.child(
 435                                                Label::new(format!(
 436                                                    "— set in {}",
 437                                                    file_set_in.name()
 438                                                ))
 439                                                .color(Color::Muted)
 440                                                .size(LabelSize::Small),
 441                                            )
 442                                        },
 443                                    ),
 444                            )
 445                            .child(
 446                                Label::new(SharedString::new_static(setting_item.description))
 447                                    .size(LabelSize::Small)
 448                                    .color(Color::Muted),
 449                            ),
 450                    )
 451                    .child(renderer.render(
 452                        setting_item.field.as_ref(),
 453                        file,
 454                        setting_item.metadata.as_deref(),
 455                        window,
 456                        cx,
 457                    ))
 458                    .into_any_element()
 459            }
 460            SettingsPageItem::SubPageLink(sub_page_link) => h_flex()
 461                .id(sub_page_link.title)
 462                .w_full()
 463                .gap_2()
 464                .flex_wrap()
 465                .justify_between()
 466                .when(!is_last, |this| {
 467                    this.pb_4()
 468                        .border_b_1()
 469                        .border_color(cx.theme().colors().border_variant)
 470                })
 471                .child(
 472                    v_flex()
 473                        .max_w_1_2()
 474                        .flex_shrink()
 475                        .child(Label::new(SharedString::new_static(sub_page_link.title))),
 476                )
 477                .child(
 478                    Button::new(("sub-page".into(), sub_page_link.title), "Configure")
 479                        .size(ButtonSize::Medium)
 480                        .icon(IconName::ChevronRight)
 481                        .icon_position(IconPosition::End)
 482                        .icon_color(Color::Muted)
 483                        .icon_size(IconSize::Small)
 484                        .style(ButtonStyle::Outlined),
 485                )
 486                .on_click({
 487                    let sub_page_link = sub_page_link.clone();
 488                    cx.listener(move |this, _, _, cx| {
 489                        this.push_sub_page(sub_page_link.clone(), section_header, cx)
 490                    })
 491                })
 492                .into_any_element(),
 493        }
 494    }
 495}
 496
 497struct SettingItem {
 498    title: &'static str,
 499    description: &'static str,
 500    field: Box<dyn AnySettingField>,
 501    metadata: Option<Box<SettingsFieldMetadata>>,
 502}
 503
 504impl PartialEq for SettingItem {
 505    fn eq(&self, other: &Self) -> bool {
 506        self.title == other.title
 507            && self.description == other.description
 508            && (match (&self.metadata, &other.metadata) {
 509                (None, None) => true,
 510                (Some(m1), Some(m2)) => m1.placeholder == m2.placeholder,
 511                _ => false,
 512            })
 513    }
 514}
 515
 516#[derive(Clone)]
 517struct SubPageLink {
 518    title: &'static str,
 519    render: Rc<dyn Fn(&mut SettingsWindow, &mut Window, &mut App) -> AnyElement>,
 520}
 521
 522impl PartialEq for SubPageLink {
 523    fn eq(&self, other: &Self) -> bool {
 524        self.title == other.title
 525    }
 526}
 527
 528#[allow(unused)]
 529#[derive(Clone, PartialEq)]
 530enum SettingsUiFile {
 531    User,                              // Uses all settings.
 532    Local((WorktreeId, Arc<RelPath>)), // Has a special name, and special set of settings
 533    Server(&'static str),              // Uses a special name, and the user settings
 534}
 535
 536impl SettingsUiFile {
 537    fn pages(&self) -> Vec<SettingsPage> {
 538        match self {
 539            SettingsUiFile::User => page_data::user_settings_data(),
 540            SettingsUiFile::Local(_) => page_data::project_settings_data(),
 541            SettingsUiFile::Server(_) => page_data::user_settings_data(),
 542        }
 543    }
 544
 545    fn name(&self) -> SharedString {
 546        match self {
 547            SettingsUiFile::User => SharedString::new_static("User"),
 548            // TODO is PathStyle::local() ever not appropriate?
 549            SettingsUiFile::Local((_, path)) => {
 550                format!("Local ({})", path.display(PathStyle::local())).into()
 551            }
 552            SettingsUiFile::Server(file) => format!("Server ({})", file).into(),
 553        }
 554    }
 555
 556    fn from_settings(file: settings::SettingsFile) -> Option<Self> {
 557        Some(match file {
 558            settings::SettingsFile::User => SettingsUiFile::User,
 559            settings::SettingsFile::Local(location) => SettingsUiFile::Local(location),
 560            settings::SettingsFile::Server => SettingsUiFile::Server("todo: server name"),
 561            settings::SettingsFile::Default => return None,
 562        })
 563    }
 564
 565    fn to_settings(&self) -> settings::SettingsFile {
 566        match self {
 567            SettingsUiFile::User => settings::SettingsFile::User,
 568            SettingsUiFile::Local(location) => settings::SettingsFile::Local(location.clone()),
 569            SettingsUiFile::Server(_) => settings::SettingsFile::Server,
 570        }
 571    }
 572}
 573
 574impl SettingsWindow {
 575    pub fn new(window: &mut Window, cx: &mut Context<Self>) -> Self {
 576        let font_family_cache = theme::FontFamilyCache::global(cx);
 577
 578        cx.spawn(async move |this, cx| {
 579            font_family_cache.prefetch(cx).await;
 580            this.update(cx, |_, cx| {
 581                cx.notify();
 582            })
 583        })
 584        .detach();
 585
 586        let current_file = SettingsUiFile::User;
 587        let search_bar = cx.new(|cx| {
 588            let mut editor = Editor::single_line(window, cx);
 589            editor.set_placeholder_text("Search settings…", window, cx);
 590            editor
 591        });
 592
 593        cx.subscribe(&search_bar, |this, _, event: &EditorEvent, cx| {
 594            let EditorEvent::Edited { transaction_id: _ } = event else {
 595                return;
 596            };
 597
 598            this.update_matches(cx);
 599        })
 600        .detach();
 601
 602        cx.observe_global_in::<SettingsStore>(window, move |this, _, cx| {
 603            this.fetch_files(cx);
 604            cx.notify();
 605        })
 606        .detach();
 607
 608        let mut this = Self {
 609            files: vec![],
 610            current_file: current_file,
 611            pages: vec![],
 612            navbar_entries: vec![],
 613            navbar_entry: 0,
 614            list_handle: UniformListScrollHandle::default(),
 615            search_bar,
 616            search_task: None,
 617            search_matches: vec![],
 618            sub_page_stack: vec![],
 619            scroll_handle: ScrollHandle::new(),
 620        };
 621
 622        this.fetch_files(cx);
 623        this.build_ui(cx);
 624
 625        this.search_bar.update(cx, |editor, cx| {
 626            editor.focus_handle(cx).focus(window);
 627        });
 628
 629        this
 630    }
 631
 632    fn toggle_navbar_entry(&mut self, ix: usize) {
 633        // We can only toggle root entries
 634        if !self.navbar_entries[ix].is_root {
 635            return;
 636        }
 637
 638        let toggle_page_index = self.page_index_from_navbar_index(ix);
 639        let selected_page_index = self.page_index_from_navbar_index(self.navbar_entry);
 640
 641        let expanded = &mut self.navbar_entries[ix].expanded;
 642        *expanded = !*expanded;
 643        // if currently selected page is a child of the parent page we are folding,
 644        // set the current page to the parent page
 645        if !*expanded && selected_page_index == toggle_page_index {
 646            self.navbar_entry = ix;
 647        }
 648    }
 649
 650    fn build_navbar(&mut self) {
 651        let mut navbar_entries = Vec::with_capacity(self.navbar_entries.len());
 652        for (page_index, page) in self.pages.iter().enumerate() {
 653            navbar_entries.push(NavBarEntry {
 654                title: page.title,
 655                is_root: true,
 656                expanded: false,
 657                page_index,
 658                item_index: None,
 659            });
 660
 661            for (item_index, item) in page.items.iter().enumerate() {
 662                let SettingsPageItem::SectionHeader(title) = item else {
 663                    continue;
 664                };
 665                navbar_entries.push(NavBarEntry {
 666                    title,
 667                    is_root: false,
 668                    expanded: false,
 669                    page_index,
 670                    item_index: Some(item_index),
 671                });
 672            }
 673        }
 674        self.navbar_entries = navbar_entries;
 675    }
 676
 677    fn visible_navbar_entries(&self) -> impl Iterator<Item = (usize, &NavBarEntry)> {
 678        let mut index = 0;
 679        let entries = &self.navbar_entries;
 680        let search_matches = &self.search_matches;
 681        std::iter::from_fn(move || {
 682            while index < entries.len() {
 683                let entry = &entries[index];
 684                let included_in_search = if let Some(item_index) = entry.item_index {
 685                    search_matches[entry.page_index][item_index]
 686                } else {
 687                    search_matches[entry.page_index].iter().any(|b| *b)
 688                        || search_matches[entry.page_index].is_empty()
 689                };
 690                if included_in_search {
 691                    break;
 692                }
 693                index += 1;
 694            }
 695            if index >= self.navbar_entries.len() {
 696                return None;
 697            }
 698            let entry = &entries[index];
 699            let entry_index = index;
 700
 701            index += 1;
 702            if entry.is_root && !entry.expanded {
 703                while index < entries.len() {
 704                    if entries[index].is_root {
 705                        break;
 706                    }
 707                    index += 1;
 708                }
 709            }
 710
 711            return Some((entry_index, entry));
 712        })
 713    }
 714
 715    fn update_matches(&mut self, cx: &mut Context<SettingsWindow>) {
 716        self.search_task.take();
 717        let query = self.search_bar.read(cx).text(cx);
 718        if query.is_empty() {
 719            for page in &mut self.search_matches {
 720                page.fill(true);
 721            }
 722            cx.notify();
 723            return;
 724        }
 725
 726        struct ItemKey {
 727            page_index: usize,
 728            header_index: usize,
 729            item_index: usize,
 730        }
 731        let mut key_lut: Vec<ItemKey> = vec![];
 732        let mut candidates = Vec::default();
 733
 734        for (page_index, page) in self.pages.iter().enumerate() {
 735            let mut header_index = 0;
 736            for (item_index, item) in page.items.iter().enumerate() {
 737                let key_index = key_lut.len();
 738                match item {
 739                    SettingsPageItem::SettingItem(item) => {
 740                        candidates.push(StringMatchCandidate::new(key_index, item.title));
 741                        candidates.push(StringMatchCandidate::new(key_index, item.description));
 742                    }
 743                    SettingsPageItem::SectionHeader(header) => {
 744                        candidates.push(StringMatchCandidate::new(key_index, header));
 745                        header_index = item_index;
 746                    }
 747                    SettingsPageItem::SubPageLink(sub_page_link) => {
 748                        candidates.push(StringMatchCandidate::new(key_index, sub_page_link.title));
 749                    }
 750                }
 751                key_lut.push(ItemKey {
 752                    page_index,
 753                    header_index,
 754                    item_index,
 755                });
 756            }
 757        }
 758        let atomic_bool = AtomicBool::new(false);
 759
 760        self.search_task = Some(cx.spawn(async move |this, cx| {
 761            let string_matches = fuzzy::match_strings(
 762                candidates.as_slice(),
 763                &query,
 764                false,
 765                true,
 766                candidates.len(),
 767                &atomic_bool,
 768                cx.background_executor().clone(),
 769            );
 770            let string_matches = string_matches.await;
 771
 772            this.update(cx, |this, cx| {
 773                for page in &mut this.search_matches {
 774                    page.fill(false);
 775                }
 776
 777                for string_match in string_matches {
 778                    let ItemKey {
 779                        page_index,
 780                        header_index,
 781                        item_index,
 782                    } = key_lut[string_match.candidate_id];
 783                    let page = &mut this.search_matches[page_index];
 784                    page[header_index] = true;
 785                    page[item_index] = true;
 786                }
 787                let first_navbar_entry_index = this
 788                    .visible_navbar_entries()
 789                    .next()
 790                    .map(|e| e.0)
 791                    .unwrap_or(0);
 792                this.navbar_entry = first_navbar_entry_index;
 793                cx.notify();
 794            })
 795            .ok();
 796        }));
 797    }
 798
 799    fn build_search_matches(&mut self) {
 800        self.search_matches = self
 801            .pages
 802            .iter()
 803            .map(|page| vec![true; page.items.len()])
 804            .collect::<Vec<_>>();
 805    }
 806
 807    fn build_ui(&mut self, cx: &mut Context<SettingsWindow>) {
 808        self.pages = self.current_file.pages();
 809        self.build_search_matches();
 810        self.build_navbar();
 811
 812        if !self.search_bar.read(cx).is_empty(cx) {
 813            self.update_matches(cx);
 814        }
 815
 816        cx.notify();
 817    }
 818
 819    fn fetch_files(&mut self, cx: &mut Context<SettingsWindow>) {
 820        let settings_store = cx.global::<SettingsStore>();
 821        let mut ui_files = vec![];
 822        let all_files = settings_store.get_all_files();
 823        for file in all_files {
 824            let Some(settings_ui_file) = SettingsUiFile::from_settings(file) else {
 825                continue;
 826            };
 827            ui_files.push(settings_ui_file);
 828        }
 829        ui_files.reverse();
 830        self.files = ui_files;
 831        if !self.files.contains(&self.current_file) {
 832            self.change_file(0, cx);
 833        }
 834    }
 835
 836    fn change_file(&mut self, ix: usize, cx: &mut Context<SettingsWindow>) {
 837        if ix >= self.files.len() {
 838            self.current_file = SettingsUiFile::User;
 839            return;
 840        }
 841        if self.files[ix] == self.current_file {
 842            return;
 843        }
 844        self.current_file = self.files[ix].clone();
 845        self.navbar_entry = 0;
 846        self.build_ui(cx);
 847    }
 848
 849    fn render_files(&self, _window: &mut Window, cx: &mut Context<SettingsWindow>) -> Div {
 850        h_flex()
 851            .gap_1()
 852            .children(self.files.iter().enumerate().map(|(ix, file)| {
 853                Button::new(ix, file.name())
 854                    .toggle_state(file == &self.current_file)
 855                    .selected_style(ButtonStyle::Tinted(ui::TintColor::Accent))
 856                    .on_click(cx.listener(move |this, _, _window, cx| this.change_file(ix, cx)))
 857            }))
 858    }
 859
 860    fn render_search(&self, _window: &mut Window, cx: &mut App) -> Div {
 861        h_flex()
 862            .py_1()
 863            .px_1p5()
 864            .gap_1p5()
 865            .rounded_sm()
 866            .bg(cx.theme().colors().editor_background)
 867            .border_1()
 868            .border_color(cx.theme().colors().border)
 869            .child(Icon::new(IconName::MagnifyingGlass).color(Color::Muted))
 870            .child(self.search_bar.clone())
 871    }
 872
 873    fn render_nav(
 874        &self,
 875        window: &mut Window,
 876        cx: &mut Context<SettingsWindow>,
 877    ) -> impl IntoElement {
 878        let visible_entries: Vec<_> = self.visible_navbar_entries().collect();
 879        let visible_count = visible_entries.len();
 880
 881        v_flex()
 882            .w_64()
 883            .p_2p5()
 884            .pt_10()
 885            .gap_3()
 886            .flex_none()
 887            .border_r_1()
 888            .border_color(cx.theme().colors().border)
 889            .bg(cx.theme().colors().panel_background)
 890            .child(self.render_search(window, cx))
 891            .child(
 892                v_flex()
 893                    .size_full()
 894                    .child(
 895                        uniform_list(
 896                            "settings-ui-nav-bar",
 897                            visible_count,
 898                            cx.processor(move |this, range: Range<usize>, _, cx| {
 899                                let entries: Vec<_> = this.visible_navbar_entries().collect();
 900                                range
 901                                    .filter_map(|ix| entries.get(ix).copied())
 902                                    .map(|(ix, entry)| {
 903                                        TreeViewItem::new(
 904                                            ("settings-ui-navbar-entry", ix),
 905                                            entry.title,
 906                                        )
 907                                        .root_item(entry.is_root)
 908                                        .toggle_state(this.is_navbar_entry_selected(ix))
 909                                        .when(entry.is_root, |item| {
 910                                            item.expanded(entry.expanded).on_toggle(cx.listener(
 911                                                move |this, _, _, cx| {
 912                                                    this.toggle_navbar_entry(ix);
 913                                                    cx.notify();
 914                                                },
 915                                            ))
 916                                        })
 917                                        .on_click(cx.listener(move |this, _, _, cx| {
 918                                            this.navbar_entry = ix;
 919                                            cx.notify();
 920                                        }))
 921                                        .into_any_element()
 922                                    })
 923                                    .collect()
 924                            }),
 925                        )
 926                        .track_scroll(self.list_handle.clone())
 927                        .flex_grow(),
 928                    )
 929                    .vertical_scrollbar_for(self.list_handle.clone(), window, cx),
 930            )
 931    }
 932
 933    fn page_items(&self) -> impl Iterator<Item = &SettingsPageItem> {
 934        let page_idx = self.current_page_index();
 935
 936        self.current_page()
 937            .items
 938            .iter()
 939            .enumerate()
 940            .filter_map(move |(item_index, item)| {
 941                self.search_matches[page_idx][item_index].then_some(item)
 942            })
 943    }
 944
 945    fn render_sub_page_breadcrumbs(&self) -> impl IntoElement {
 946        let mut items = vec![];
 947        items.push(self.current_page().title);
 948        items.extend(
 949            self.sub_page_stack
 950                .iter()
 951                .flat_map(|page| [page.section_header, page.link.title]),
 952        );
 953
 954        let last = items.pop().unwrap();
 955        h_flex()
 956            .gap_1()
 957            .children(
 958                items
 959                    .into_iter()
 960                    .flat_map(|item| [item, "/"])
 961                    .map(|item| Label::new(item).color(Color::Muted)),
 962            )
 963            .child(Label::new(last))
 964    }
 965
 966    fn render_page(
 967        &mut self,
 968        window: &mut Window,
 969        cx: &mut Context<SettingsWindow>,
 970    ) -> impl IntoElement {
 971        let mut page = v_flex()
 972            .w_full()
 973            .pt_4()
 974            .pb_6()
 975            .px_6()
 976            .gap_4()
 977            .bg(cx.theme().colors().editor_background)
 978            .vertical_scrollbar_for(self.scroll_handle.clone(), window, cx);
 979
 980        let mut page_content = v_flex()
 981            .id("settings-ui-page")
 982            .size_full()
 983            .gap_4()
 984            .overflow_y_scroll()
 985            .track_scroll(&self.scroll_handle);
 986
 987        if self.sub_page_stack.len() == 0 {
 988            page = page.child(self.render_files(window, cx));
 989
 990            let items: Vec<_> = self.page_items().collect();
 991            let items_len = items.len();
 992            let mut section_header = None;
 993
 994            let search_query = self.search_bar.read(cx).text(cx);
 995            let has_active_search = !search_query.is_empty();
 996            let has_no_results = items_len == 0 && has_active_search;
 997
 998            if has_no_results {
 999                page_content = page_content.child(
1000                    v_flex()
1001                        .size_full()
1002                        .items_center()
1003                        .justify_center()
1004                        .gap_1()
1005                        .child(div().child("No Results"))
1006                        .child(
1007                            div()
1008                                .text_sm()
1009                                .text_color(cx.theme().colors().text_muted)
1010                                .child(format!("No settings match \"{}\"", search_query)),
1011                        ),
1012                )
1013            } else {
1014                let last_non_header_index = items
1015                    .iter()
1016                    .enumerate()
1017                    .rev()
1018                    .find(|(_, item)| !matches!(item, SettingsPageItem::SectionHeader(_)))
1019                    .map(|(index, _)| index);
1020
1021                page_content = page_content.children(items.clone().into_iter().enumerate().map(
1022                    |(index, item)| {
1023                        let no_bottom_border = items
1024                            .get(index + 1)
1025                            .map(|next_item| {
1026                                matches!(next_item, SettingsPageItem::SectionHeader(_))
1027                            })
1028                            .unwrap_or(false);
1029                        let is_last = Some(index) == last_non_header_index;
1030
1031                        if let SettingsPageItem::SectionHeader(header) = item {
1032                            section_header = Some(*header);
1033                        }
1034                        item.render(
1035                            self.current_file.clone(),
1036                            section_header.expect("All items rendered after a section header"),
1037                            no_bottom_border || is_last,
1038                            window,
1039                            cx,
1040                        )
1041                    },
1042                ))
1043            }
1044        } else {
1045            page = page.child(
1046                h_flex()
1047                    .ml_neg_1p5()
1048                    .gap_1()
1049                    .child(
1050                        IconButton::new("back-btn", IconName::ArrowLeft)
1051                            .icon_size(IconSize::Small)
1052                            .shape(IconButtonShape::Square)
1053                            .on_click(cx.listener(|this, _, _, cx| {
1054                                this.pop_sub_page(cx);
1055                            })),
1056                    )
1057                    .child(self.render_sub_page_breadcrumbs()),
1058            );
1059
1060            let active_page_render_fn = self.sub_page_stack.last().unwrap().link.render.clone();
1061            page_content = page_content.child((active_page_render_fn)(self, window, cx));
1062        }
1063
1064        return page.child(page_content);
1065    }
1066
1067    fn current_page_index(&self) -> usize {
1068        self.page_index_from_navbar_index(self.navbar_entry)
1069    }
1070
1071    fn current_page(&self) -> &SettingsPage {
1072        &self.pages[self.current_page_index()]
1073    }
1074
1075    fn page_index_from_navbar_index(&self, index: usize) -> usize {
1076        if self.navbar_entries.is_empty() {
1077            return 0;
1078        }
1079
1080        self.navbar_entries[index].page_index
1081    }
1082
1083    fn is_navbar_entry_selected(&self, ix: usize) -> bool {
1084        ix == self.navbar_entry
1085    }
1086
1087    fn push_sub_page(
1088        &mut self,
1089        sub_page_link: SubPageLink,
1090        section_header: &'static str,
1091        cx: &mut Context<SettingsWindow>,
1092    ) {
1093        self.sub_page_stack.push(SubPage {
1094            link: sub_page_link,
1095            section_header,
1096        });
1097        cx.notify();
1098    }
1099
1100    fn pop_sub_page(&mut self, cx: &mut Context<SettingsWindow>) {
1101        self.sub_page_stack.pop();
1102        cx.notify();
1103    }
1104}
1105
1106impl Render for SettingsWindow {
1107    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1108        let ui_font = theme::setup_ui_font(window, cx);
1109
1110        div()
1111            .key_context("SettingsWindow")
1112            .flex()
1113            .flex_row()
1114            .size_full()
1115            .font(ui_font)
1116            .bg(cx.theme().colors().background)
1117            .text_color(cx.theme().colors().text)
1118            .child(self.render_nav(window, cx))
1119            .child(self.render_page(window, cx))
1120    }
1121}
1122
1123fn update_settings_file(
1124    file: SettingsUiFile,
1125    cx: &mut App,
1126    update: impl 'static + Send + FnOnce(&mut SettingsContent, &App),
1127) -> Result<()> {
1128    match file {
1129        SettingsUiFile::Local((worktree_id, rel_path)) => {
1130            fn all_projects(cx: &App) -> impl Iterator<Item = Entity<project::Project>> {
1131                workspace::AppState::global(cx)
1132                    .upgrade()
1133                    .map(|app_state| {
1134                        app_state
1135                            .workspace_store
1136                            .read(cx)
1137                            .workspaces()
1138                            .iter()
1139                            .filter_map(|workspace| {
1140                                Some(workspace.read(cx).ok()?.project().clone())
1141                            })
1142                    })
1143                    .into_iter()
1144                    .flatten()
1145            }
1146            let rel_path = rel_path.join(paths::local_settings_file_relative_path());
1147            let project = all_projects(cx).find(|project| {
1148                project.read_with(cx, |project, cx| {
1149                    project.contains_local_settings_file(worktree_id, &rel_path, cx)
1150                })
1151            });
1152            let Some(project) = project else {
1153                anyhow::bail!(
1154                    "Could not find worktree containing settings file: {}",
1155                    &rel_path.display(PathStyle::local())
1156                );
1157            };
1158            project.update(cx, |project, cx| {
1159                project.update_local_settings_file(worktree_id, rel_path, cx, update);
1160            });
1161            return Ok(());
1162        }
1163        SettingsUiFile::User => {
1164            // todo(settings_ui) error?
1165            SettingsStore::global(cx).update_settings_file(<dyn fs::Fs>::global(cx), update);
1166            Ok(())
1167        }
1168        SettingsUiFile::Server(_) => unimplemented!(),
1169    }
1170}
1171
1172fn render_text_field<T: From<String> + Into<String> + AsRef<str> + Clone>(
1173    field: SettingField<T>,
1174    file: SettingsUiFile,
1175    metadata: Option<&SettingsFieldMetadata>,
1176    cx: &mut App,
1177) -> AnyElement {
1178    let (_, initial_text) =
1179        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1180    let initial_text = Some(initial_text.clone()).filter(|s| !s.as_ref().is_empty());
1181
1182    SettingsEditor::new()
1183        .when_some(initial_text, |editor, text| {
1184            editor.with_initial_text(text.into())
1185        })
1186        .when_some(
1187            metadata.and_then(|metadata| metadata.placeholder),
1188            |editor, placeholder| editor.with_placeholder(placeholder),
1189        )
1190        .on_confirm({
1191            move |new_text, cx| {
1192                update_settings_file(file.clone(), cx, move |settings, _cx| {
1193                    *(field.pick_mut)(settings) = new_text.map(Into::into);
1194                })
1195                .log_err(); // todo(settings_ui) don't log err
1196            }
1197        })
1198        .into_any_element()
1199}
1200
1201fn render_toggle_button<B: Into<bool> + From<bool> + Copy>(
1202    field: SettingField<B>,
1203    file: SettingsUiFile,
1204    cx: &mut App,
1205) -> AnyElement {
1206    let (_, &value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1207
1208    let toggle_state = if value.into() {
1209        ToggleState::Selected
1210    } else {
1211        ToggleState::Unselected
1212    };
1213
1214    Switch::new("toggle_button", toggle_state)
1215        .color(ui::SwitchColor::Accent)
1216        .on_click({
1217            move |state, _window, cx| {
1218                let state = *state == ui::ToggleState::Selected;
1219                update_settings_file(file.clone(), cx, move |settings, _cx| {
1220                    *(field.pick_mut)(settings) = Some(state.into());
1221                })
1222                .log_err(); // todo(settings_ui) don't log err
1223            }
1224        })
1225        .color(SwitchColor::Accent)
1226        .into_any_element()
1227}
1228
1229fn render_font_picker(
1230    field: SettingField<settings::FontFamilyName>,
1231    file: SettingsUiFile,
1232    window: &mut Window,
1233    cx: &mut App,
1234) -> AnyElement {
1235    let current_value = SettingsStore::global(cx)
1236        .get_value_from_file(file.to_settings(), field.pick)
1237        .1
1238        .clone();
1239
1240    let font_picker = cx.new(|cx| {
1241        ui_input::font_picker(
1242            current_value.clone().into(),
1243            move |font_name, cx| {
1244                update_settings_file(file.clone(), cx, move |settings, _cx| {
1245                    *(field.pick_mut)(settings) = Some(font_name.into());
1246                })
1247                .log_err(); // todo(settings_ui) don't log err
1248            },
1249            window,
1250            cx,
1251        )
1252    });
1253
1254    div()
1255        .child(
1256            PopoverMenu::new("font-picker")
1257                .menu(move |_window, _cx| Some(font_picker.clone()))
1258                .trigger(
1259                    ButtonLike::new("font-family-button")
1260                        .style(ButtonStyle::Outlined)
1261                        .size(ButtonSize::Medium)
1262                        .full_width()
1263                        .child(
1264                            h_flex()
1265                                .w_full()
1266                                .justify_between()
1267                                .child(Label::new(current_value))
1268                                .child(
1269                                    Icon::new(IconName::ChevronUpDown)
1270                                        .color(Color::Muted)
1271                                        .size(IconSize::XSmall),
1272                                ),
1273                        ),
1274                )
1275                .full_width(true)
1276                .anchor(gpui::Corner::TopLeft)
1277                .offset(gpui::Point {
1278                    x: px(0.0),
1279                    y: px(4.0),
1280                })
1281                .with_handle(ui::PopoverMenuHandle::default()),
1282        )
1283        .into_any_element()
1284}
1285
1286fn render_numeric_stepper<T: NumericStepperType + Send + Sync>(
1287    field: SettingField<T>,
1288    file: SettingsUiFile,
1289    window: &mut Window,
1290    cx: &mut App,
1291) -> AnyElement {
1292    let (_, &value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1293
1294    NumericStepper::new("numeric_stepper", value, window, cx)
1295        .on_change({
1296            move |value, _window, cx| {
1297                let value = *value;
1298                update_settings_file(file.clone(), cx, move |settings, _cx| {
1299                    *(field.pick_mut)(settings) = Some(value);
1300                })
1301                .log_err(); // todo(settings_ui) don't log err
1302            }
1303        })
1304        .style(NumericStepperStyle::Outlined)
1305        .into_any_element()
1306}
1307
1308fn render_dropdown<T>(
1309    field: SettingField<T>,
1310    file: SettingsUiFile,
1311    window: &mut Window,
1312    cx: &mut App,
1313) -> AnyElement
1314where
1315    T: strum::VariantArray + strum::VariantNames + Copy + PartialEq + Send + Sync + 'static,
1316{
1317    let variants = || -> &'static [T] { <T as strum::VariantArray>::VARIANTS };
1318    let labels = || -> &'static [&'static str] { <T as strum::VariantNames>::VARIANTS };
1319
1320    let (_, &current_value) =
1321        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1322
1323    let current_value_label =
1324        labels()[variants().iter().position(|v| *v == current_value).unwrap()];
1325
1326    DropdownMenu::new(
1327        "dropdown",
1328        current_value_label,
1329        ContextMenu::build(window, cx, move |mut menu, _, _| {
1330            for (&value, &label) in std::iter::zip(variants(), labels()) {
1331                let file = file.clone();
1332                menu = menu.toggleable_entry(
1333                    label,
1334                    value == current_value,
1335                    IconPosition::Start,
1336                    None,
1337                    move |_, cx| {
1338                        if value == current_value {
1339                            return;
1340                        }
1341                        update_settings_file(file.clone(), cx, move |settings, _cx| {
1342                            *(field.pick_mut)(settings) = Some(value);
1343                        })
1344                        .log_err(); // todo(settings_ui) don't log err
1345                    },
1346                );
1347            }
1348            menu
1349        }),
1350    )
1351    .trigger_size(ButtonSize::Medium)
1352    .style(DropdownStyle::Outlined)
1353    .offset(gpui::Point {
1354        x: px(0.0),
1355        y: px(2.0),
1356    })
1357    .into_any_element()
1358}
1359
1360#[cfg(test)]
1361mod test {
1362
1363    use super::*;
1364
1365    impl SettingsWindow {
1366        fn navbar_entry(&self) -> usize {
1367            self.navbar_entry
1368        }
1369
1370        fn new_builder(window: &mut Window, cx: &mut Context<Self>) -> Self {
1371            let mut this = Self::new(window, cx);
1372            this.navbar_entries.clear();
1373            this.pages.clear();
1374            this
1375        }
1376
1377        fn build(mut self) -> Self {
1378            self.build_search_matches();
1379            self.build_navbar();
1380            self
1381        }
1382
1383        fn add_page(
1384            mut self,
1385            title: &'static str,
1386            build_page: impl Fn(SettingsPage) -> SettingsPage,
1387        ) -> Self {
1388            let page = SettingsPage {
1389                title,
1390                items: Vec::default(),
1391            };
1392
1393            self.pages.push(build_page(page));
1394            self
1395        }
1396
1397        fn search(&mut self, search_query: &str, window: &mut Window, cx: &mut Context<Self>) {
1398            self.search_task.take();
1399            self.search_bar.update(cx, |editor, cx| {
1400                editor.set_text(search_query, window, cx);
1401            });
1402            self.update_matches(cx);
1403        }
1404
1405        fn assert_search_results(&self, other: &Self) {
1406            // page index could be different because of filtered out pages
1407            #[derive(Debug, PartialEq)]
1408            struct EntryMinimal {
1409                is_root: bool,
1410                title: &'static str,
1411            }
1412            pretty_assertions::assert_eq!(
1413                other
1414                    .visible_navbar_entries()
1415                    .map(|(_, entry)| EntryMinimal {
1416                        is_root: entry.is_root,
1417                        title: entry.title,
1418                    })
1419                    .collect::<Vec<_>>(),
1420                self.visible_navbar_entries()
1421                    .map(|(_, entry)| EntryMinimal {
1422                        is_root: entry.is_root,
1423                        title: entry.title,
1424                    })
1425                    .collect::<Vec<_>>(),
1426            );
1427            assert_eq!(
1428                self.current_page().items.iter().collect::<Vec<_>>(),
1429                other.page_items().collect::<Vec<_>>()
1430            );
1431        }
1432    }
1433
1434    impl SettingsPage {
1435        fn item(mut self, item: SettingsPageItem) -> Self {
1436            self.items.push(item);
1437            self
1438        }
1439    }
1440
1441    impl SettingsPageItem {
1442        fn basic_item(title: &'static str, description: &'static str) -> Self {
1443            SettingsPageItem::SettingItem(SettingItem {
1444                title,
1445                description,
1446                field: Box::new(SettingField {
1447                    pick: |settings_content| &settings_content.auto_update,
1448                    pick_mut: |settings_content| &mut settings_content.auto_update,
1449                }),
1450                metadata: None,
1451            })
1452        }
1453    }
1454
1455    fn register_settings(cx: &mut App) {
1456        settings::init(cx);
1457        theme::init(theme::LoadThemes::JustBase, cx);
1458        workspace::init_settings(cx);
1459        project::Project::init_settings(cx);
1460        language::init(cx);
1461        editor::init(cx);
1462        menu::init();
1463    }
1464
1465    fn parse(input: &'static str, window: &mut Window, cx: &mut App) -> SettingsWindow {
1466        let mut pages: Vec<SettingsPage> = Vec::new();
1467        let mut expanded_pages = Vec::new();
1468        let mut selected_idx = None;
1469        let mut index = 0;
1470        let mut in_expanded_section = false;
1471
1472        for mut line in input
1473            .lines()
1474            .map(|line| line.trim())
1475            .filter(|line| !line.is_empty())
1476        {
1477            if let Some(pre) = line.strip_suffix('*') {
1478                assert!(selected_idx.is_none(), "Only one selected entry allowed");
1479                selected_idx = Some(index);
1480                line = pre;
1481            }
1482            let (kind, title) = line.split_once(" ").unwrap();
1483            assert_eq!(kind.len(), 1);
1484            let kind = kind.chars().next().unwrap();
1485            if kind == 'v' {
1486                let page_idx = pages.len();
1487                expanded_pages.push(page_idx);
1488                pages.push(SettingsPage {
1489                    title,
1490                    items: vec![],
1491                });
1492                index += 1;
1493                in_expanded_section = true;
1494            } else if kind == '>' {
1495                pages.push(SettingsPage {
1496                    title,
1497                    items: vec![],
1498                });
1499                index += 1;
1500                in_expanded_section = false;
1501            } else if kind == '-' {
1502                pages
1503                    .last_mut()
1504                    .unwrap()
1505                    .items
1506                    .push(SettingsPageItem::SectionHeader(title));
1507                if selected_idx == Some(index) && !in_expanded_section {
1508                    panic!("Items in unexpanded sections cannot be selected");
1509                }
1510                index += 1;
1511            } else {
1512                panic!(
1513                    "Entries must start with one of 'v', '>', or '-'\n line: {}",
1514                    line
1515                );
1516            }
1517        }
1518
1519        let mut settings_window = SettingsWindow {
1520            files: Vec::default(),
1521            current_file: crate::SettingsUiFile::User,
1522            pages,
1523            search_bar: cx.new(|cx| Editor::single_line(window, cx)),
1524            navbar_entry: selected_idx.expect("Must have a selected navbar entry"),
1525            navbar_entries: Vec::default(),
1526            list_handle: UniformListScrollHandle::default(),
1527            search_matches: vec![],
1528            search_task: None,
1529            sub_page_stack: vec![],
1530            scroll_handle: ScrollHandle::new(),
1531        };
1532
1533        settings_window.build_search_matches();
1534        settings_window.build_navbar();
1535        for expanded_page_index in expanded_pages {
1536            for entry in &mut settings_window.navbar_entries {
1537                if entry.page_index == expanded_page_index && entry.is_root {
1538                    entry.expanded = true;
1539                }
1540            }
1541        }
1542        settings_window
1543    }
1544
1545    #[track_caller]
1546    fn check_navbar_toggle(
1547        before: &'static str,
1548        toggle_page: &'static str,
1549        after: &'static str,
1550        window: &mut Window,
1551        cx: &mut App,
1552    ) {
1553        let mut settings_window = parse(before, window, cx);
1554        let toggle_page_idx = settings_window
1555            .pages
1556            .iter()
1557            .position(|page| page.title == toggle_page)
1558            .expect("page not found");
1559        let toggle_idx = settings_window
1560            .navbar_entries
1561            .iter()
1562            .position(|entry| entry.page_index == toggle_page_idx)
1563            .expect("page not found");
1564        settings_window.toggle_navbar_entry(toggle_idx);
1565
1566        let expected_settings_window = parse(after, window, cx);
1567
1568        pretty_assertions::assert_eq!(
1569            settings_window
1570                .visible_navbar_entries()
1571                .map(|(_, entry)| entry)
1572                .collect::<Vec<_>>(),
1573            expected_settings_window
1574                .visible_navbar_entries()
1575                .map(|(_, entry)| entry)
1576                .collect::<Vec<_>>(),
1577        );
1578        pretty_assertions::assert_eq!(
1579            settings_window.navbar_entries[settings_window.navbar_entry()],
1580            expected_settings_window.navbar_entries[expected_settings_window.navbar_entry()],
1581        );
1582    }
1583
1584    macro_rules! check_navbar_toggle {
1585        ($name:ident, before: $before:expr, toggle_page: $toggle_page:expr, after: $after:expr) => {
1586            #[gpui::test]
1587            fn $name(cx: &mut gpui::TestAppContext) {
1588                let window = cx.add_empty_window();
1589                window.update(|window, cx| {
1590                    register_settings(cx);
1591                    check_navbar_toggle($before, $toggle_page, $after, window, cx);
1592                });
1593            }
1594        };
1595    }
1596
1597    check_navbar_toggle!(
1598        navbar_basic_open,
1599        before: r"
1600        v General
1601        - General
1602        - Privacy*
1603        v Project
1604        - Project Settings
1605        ",
1606        toggle_page: "General",
1607        after: r"
1608        > General*
1609        v Project
1610        - Project Settings
1611        "
1612    );
1613
1614    check_navbar_toggle!(
1615        navbar_basic_close,
1616        before: r"
1617        > General*
1618        - General
1619        - Privacy
1620        v Project
1621        - Project Settings
1622        ",
1623        toggle_page: "General",
1624        after: r"
1625        v General*
1626        - General
1627        - Privacy
1628        v Project
1629        - Project Settings
1630        "
1631    );
1632
1633    check_navbar_toggle!(
1634        navbar_basic_second_root_entry_close,
1635        before: r"
1636        > General
1637        - General
1638        - Privacy
1639        v Project
1640        - Project Settings*
1641        ",
1642        toggle_page: "Project",
1643        after: r"
1644        > General
1645        > Project*
1646        "
1647    );
1648
1649    check_navbar_toggle!(
1650        navbar_toggle_subroot,
1651        before: r"
1652        v General Page
1653        - General
1654        - Privacy
1655        v Project
1656        - Worktree Settings Content*
1657        v AI
1658        - General
1659        > Appearance & Behavior
1660        ",
1661        toggle_page: "Project",
1662        after: r"
1663        v General Page
1664        - General
1665        - Privacy
1666        > Project*
1667        v AI
1668        - General
1669        > Appearance & Behavior
1670        "
1671    );
1672
1673    check_navbar_toggle!(
1674        navbar_toggle_close_propagates_selected_index,
1675        before: r"
1676        v General Page
1677        - General
1678        - Privacy
1679        v Project
1680        - Worktree Settings Content
1681        v AI
1682        - General*
1683        > Appearance & Behavior
1684        ",
1685        toggle_page: "General Page",
1686        after: r"
1687        > General Page
1688        v Project
1689        - Worktree Settings Content
1690        v AI
1691        - General*
1692        > Appearance & Behavior
1693        "
1694    );
1695
1696    check_navbar_toggle!(
1697        navbar_toggle_expand_propagates_selected_index,
1698        before: r"
1699        > General Page
1700        - General
1701        - Privacy
1702        v Project
1703        - Worktree Settings Content
1704        v AI
1705        - General*
1706        > Appearance & Behavior
1707        ",
1708        toggle_page: "General Page",
1709        after: r"
1710        v General Page
1711        - General
1712        - Privacy
1713        v Project
1714        - Worktree Settings Content
1715        v AI
1716        - General*
1717        > Appearance & Behavior
1718        "
1719    );
1720
1721    #[gpui::test]
1722    fn test_basic_search(cx: &mut gpui::TestAppContext) {
1723        let cx = cx.add_empty_window();
1724        let (actual, expected) = cx.update(|window, cx| {
1725            register_settings(cx);
1726
1727            let expected = cx.new(|cx| {
1728                SettingsWindow::new_builder(window, cx)
1729                    .add_page("General", |page| {
1730                        page.item(SettingsPageItem::SectionHeader("General settings"))
1731                            .item(SettingsPageItem::basic_item("test title", "General test"))
1732                    })
1733                    .build()
1734            });
1735
1736            let actual = cx.new(|cx| {
1737                SettingsWindow::new_builder(window, cx)
1738                    .add_page("General", |page| {
1739                        page.item(SettingsPageItem::SectionHeader("General settings"))
1740                            .item(SettingsPageItem::basic_item("test title", "General test"))
1741                    })
1742                    .add_page("Theme", |page| {
1743                        page.item(SettingsPageItem::SectionHeader("Theme settings"))
1744                    })
1745                    .build()
1746            });
1747
1748            actual.update(cx, |settings, cx| settings.search("gen", window, cx));
1749
1750            (actual, expected)
1751        });
1752
1753        cx.cx.run_until_parked();
1754
1755        cx.update(|_window, cx| {
1756            let expected = expected.read(cx);
1757            let actual = actual.read(cx);
1758            expected.assert_search_results(&actual);
1759        })
1760    }
1761
1762    #[gpui::test]
1763    fn test_search_render_page_with_filtered_out_navbar_entries(cx: &mut gpui::TestAppContext) {
1764        let cx = cx.add_empty_window();
1765        let (actual, expected) = cx.update(|window, cx| {
1766            register_settings(cx);
1767
1768            let actual = cx.new(|cx| {
1769                SettingsWindow::new_builder(window, cx)
1770                    .add_page("General", |page| {
1771                        page.item(SettingsPageItem::SectionHeader("General settings"))
1772                            .item(SettingsPageItem::basic_item(
1773                                "Confirm Quit",
1774                                "Whether to confirm before quitting Zed",
1775                            ))
1776                            .item(SettingsPageItem::basic_item(
1777                                "Auto Update",
1778                                "Automatically update Zed",
1779                            ))
1780                    })
1781                    .add_page("AI", |page| {
1782                        page.item(SettingsPageItem::basic_item(
1783                            "Disable AI",
1784                            "Whether to disable all AI features in Zed",
1785                        ))
1786                    })
1787                    .add_page("Appearance & Behavior", |page| {
1788                        page.item(SettingsPageItem::SectionHeader("Cursor")).item(
1789                            SettingsPageItem::basic_item(
1790                                "Cursor Shape",
1791                                "Cursor shape for the editor",
1792                            ),
1793                        )
1794                    })
1795                    .build()
1796            });
1797
1798            let expected = cx.new(|cx| {
1799                SettingsWindow::new_builder(window, cx)
1800                    .add_page("Appearance & Behavior", |page| {
1801                        page.item(SettingsPageItem::SectionHeader("Cursor")).item(
1802                            SettingsPageItem::basic_item(
1803                                "Cursor Shape",
1804                                "Cursor shape for the editor",
1805                            ),
1806                        )
1807                    })
1808                    .build()
1809            });
1810
1811            actual.update(cx, |settings, cx| settings.search("cursor", window, cx));
1812
1813            (actual, expected)
1814        });
1815
1816        cx.cx.run_until_parked();
1817
1818        cx.update(|_window, cx| {
1819            let expected = expected.read(cx);
1820            let actual = actual.read(cx);
1821            expected.assert_search_results(&actual);
1822        })
1823    }
1824}