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
  44/// Helper for unimplemented settings, used in combination with `SettingField::unimplemented`
  45/// to keep the setting around in the UI with valid pick and pick_mut implementations, but don't actually try to render it.
  46/// TODO(settings_ui): In non-dev builds (`#[cfg(not(debug_assertions))]`) make this render as edit-in-json
  47struct UnimplementedSettingField;
  48
  49impl<T: 'static> SettingField<T> {
  50    /// Helper for settings with types that are not yet implemented.
  51    #[allow(unused)]
  52    fn unimplemented(self) -> SettingField<UnimplementedSettingField> {
  53        SettingField {
  54            pick: |_| &None,
  55            pick_mut: |_| unreachable!(),
  56        }
  57    }
  58}
  59
  60trait AnySettingField {
  61    fn as_any(&self) -> &dyn Any;
  62    fn type_name(&self) -> &'static str;
  63    fn type_id(&self) -> TypeId;
  64    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> settings::SettingsFile;
  65}
  66
  67impl<T> AnySettingField for SettingField<T> {
  68    fn as_any(&self) -> &dyn Any {
  69        self
  70    }
  71
  72    fn type_name(&self) -> &'static str {
  73        type_name::<T>()
  74    }
  75
  76    fn type_id(&self) -> TypeId {
  77        TypeId::of::<T>()
  78    }
  79
  80    fn file_set_in(&self, file: SettingsUiFile, cx: &App) -> settings::SettingsFile {
  81        if AnySettingField::type_id(self) == TypeId::of::<UnimplementedSettingField>() {
  82            return file.to_settings();
  83        }
  84
  85        let (file, _) = cx
  86            .global::<SettingsStore>()
  87            .get_value_from_file(file.to_settings(), self.pick);
  88        return file;
  89    }
  90}
  91
  92#[derive(Default, Clone)]
  93struct SettingFieldRenderer {
  94    renderers: Rc<
  95        RefCell<
  96            HashMap<
  97                TypeId,
  98                Box<
  99                    dyn Fn(
 100                        &dyn AnySettingField,
 101                        SettingsUiFile,
 102                        Option<&SettingsFieldMetadata>,
 103                        &mut Window,
 104                        &mut App,
 105                    ) -> AnyElement,
 106                >,
 107            >,
 108        >,
 109    >,
 110}
 111
 112impl Global for SettingFieldRenderer {}
 113
 114impl SettingFieldRenderer {
 115    fn add_renderer<T: 'static>(
 116        &mut self,
 117        renderer: impl Fn(
 118            &SettingField<T>,
 119            SettingsUiFile,
 120            Option<&SettingsFieldMetadata>,
 121            &mut Window,
 122            &mut App,
 123        ) -> AnyElement
 124        + 'static,
 125    ) -> &mut Self {
 126        let key = TypeId::of::<T>();
 127        let renderer = Box::new(
 128            move |any_setting_field: &dyn AnySettingField,
 129                  settings_file: SettingsUiFile,
 130                  metadata: Option<&SettingsFieldMetadata>,
 131                  window: &mut Window,
 132                  cx: &mut App| {
 133                let field = any_setting_field
 134                    .as_any()
 135                    .downcast_ref::<SettingField<T>>()
 136                    .unwrap();
 137                renderer(field, settings_file, metadata, window, cx)
 138            },
 139        );
 140        self.renderers.borrow_mut().insert(key, renderer);
 141        self
 142    }
 143
 144    fn render(
 145        &self,
 146        any_setting_field: &dyn AnySettingField,
 147        settings_file: SettingsUiFile,
 148        metadata: Option<&SettingsFieldMetadata>,
 149        window: &mut Window,
 150        cx: &mut App,
 151    ) -> AnyElement {
 152        let key = any_setting_field.type_id();
 153        if let Some(renderer) = self.renderers.borrow().get(&key) {
 154            renderer(any_setting_field, settings_file, metadata, window, cx)
 155        } else {
 156            panic!(
 157                "No renderer found for type: {}",
 158                any_setting_field.type_name()
 159            )
 160        }
 161    }
 162}
 163
 164struct SettingsFieldMetadata {
 165    placeholder: Option<&'static str>,
 166}
 167
 168pub struct SettingsUiFeatureFlag;
 169
 170impl FeatureFlag for SettingsUiFeatureFlag {
 171    const NAME: &'static str = "settings-ui";
 172}
 173
 174pub fn init(cx: &mut App) {
 175    init_renderers(cx);
 176
 177    cx.observe_new(|workspace: &mut workspace::Workspace, _, _| {
 178        workspace.register_action_renderer(|div, _, _, cx| {
 179            let settings_ui_actions = [std::any::TypeId::of::<OpenSettingsEditor>()];
 180            let has_flag = cx.has_flag::<SettingsUiFeatureFlag>();
 181            command_palette_hooks::CommandPaletteFilter::update_global(cx, |filter, _| {
 182                if has_flag {
 183                    filter.show_action_types(&settings_ui_actions);
 184                } else {
 185                    filter.hide_action_types(&settings_ui_actions);
 186                }
 187            });
 188            if has_flag {
 189                div.on_action(cx.listener(|_, _: &OpenSettingsEditor, _, cx| {
 190                    open_settings_editor(cx).ok();
 191                }))
 192            } else {
 193                div
 194            }
 195        });
 196    })
 197    .detach();
 198}
 199
 200fn init_renderers(cx: &mut App) {
 201    // fn (field: SettingsField, current_file: SettingsFile, cx) -> (currently_set_in: SettingsFile, overridden_in: Vec<SettingsFile>)
 202    cx.default_global::<SettingFieldRenderer>()
 203        .add_renderer::<UnimplementedSettingField>(|_, _, _, _, _| {
 204            // TODO(settings_ui): In non-dev builds (`#[cfg(not(debug_assertions))]`) make this render as edit-in-json
 205            Button::new("unimplemented-field", "UNIMPLEMENTED")
 206                .size(ButtonSize::Medium)
 207                .icon(IconName::XCircle)
 208                .icon_position(IconPosition::Start)
 209                .icon_color(Color::Error)
 210                .icon_size(IconSize::Small)
 211                .style(ButtonStyle::Outlined)
 212                .into_any_element()
 213        })
 214        .add_renderer::<bool>(|settings_field, file, _, _, cx| {
 215            render_toggle_button(*settings_field, file, cx).into_any_element()
 216        })
 217        .add_renderer::<String>(|settings_field, file, metadata, _, cx| {
 218            render_text_field(settings_field.clone(), file, metadata, cx)
 219        })
 220        .add_renderer::<SaturatingBool>(|settings_field, file, _, _, cx| {
 221            render_toggle_button(*settings_field, file, cx)
 222        })
 223        .add_renderer::<CursorShape>(|settings_field, file, _, window, cx| {
 224            render_dropdown(*settings_field, file, window, cx)
 225        })
 226        .add_renderer::<RestoreOnStartupBehavior>(|settings_field, file, _, window, cx| {
 227            render_dropdown(*settings_field, file, window, cx)
 228        })
 229        .add_renderer::<BottomDockLayout>(|settings_field, file, _, window, cx| {
 230            render_dropdown(*settings_field, file, window, cx)
 231        })
 232        .add_renderer::<OnLastWindowClosed>(|settings_field, file, _, window, cx| {
 233            render_dropdown(*settings_field, file, window, cx)
 234        })
 235        .add_renderer::<CloseWindowWhenNoItems>(|settings_field, file, _, window, cx| {
 236            render_dropdown(*settings_field, file, window, cx)
 237        })
 238        .add_renderer::<settings::FontFamilyName>(|settings_field, file, _, window, cx| {
 239            // todo(settings_ui): We need to pass in a validator for this to ensure that users that type in invalid font names
 240            render_font_picker(settings_field.clone(), file, window, cx)
 241        })
 242        .add_renderer::<settings::BufferLineHeight>(|settings_field, file, _, window, cx| {
 243            // todo(settings_ui): Do we want to expose the custom variant of buffer line height?
 244            // right now there's a manual impl of strum::VariantArray
 245            render_dropdown(*settings_field, file, window, cx)
 246        })
 247        .add_renderer::<settings::BaseKeymapContent>(|settings_field, file, _, window, cx| {
 248            render_dropdown(*settings_field, file, window, cx)
 249        })
 250        .add_renderer::<settings::MultiCursorModifier>(|settings_field, file, _, window, cx| {
 251            render_dropdown(*settings_field, file, window, cx)
 252        })
 253        .add_renderer::<settings::HideMouseMode>(|settings_field, file, _, window, cx| {
 254            render_dropdown(*settings_field, file, window, cx)
 255        })
 256        .add_renderer::<settings::CurrentLineHighlight>(|settings_field, file, _, window, cx| {
 257            render_dropdown(*settings_field, file, window, cx)
 258        })
 259        .add_renderer::<settings::ShowWhitespaceSetting>(|settings_field, file, _, window, cx| {
 260            render_dropdown(*settings_field, file, window, cx)
 261        })
 262        .add_renderer::<settings::SoftWrap>(|settings_field, file, _, window, cx| {
 263            render_dropdown(*settings_field, file, window, cx)
 264        })
 265        .add_renderer::<settings::ScrollBeyondLastLine>(|settings_field, file, _, window, cx| {
 266            render_dropdown(*settings_field, file, window, cx)
 267        })
 268        .add_renderer::<settings::SnippetSortOrder>(|settings_field, file, _, window, cx| {
 269            render_dropdown(*settings_field, file, window, cx)
 270        })
 271        .add_renderer::<settings::ClosePosition>(|settings_field, file, _, window, cx| {
 272            render_dropdown(*settings_field, file, window, cx)
 273        })
 274        .add_renderer::<settings::DockSide>(|settings_field, file, _, window, cx| {
 275            render_dropdown(*settings_field, file, window, cx)
 276        })
 277        .add_renderer::<settings::TerminalDockPosition>(|settings_field, file, _, window, cx| {
 278            render_dropdown(*settings_field, file, window, cx)
 279        })
 280        .add_renderer::<settings::GitGutterSetting>(|settings_field, file, _, window, cx| {
 281            render_dropdown(*settings_field, file, window, cx)
 282        })
 283        .add_renderer::<settings::GitHunkStyleSetting>(|settings_field, file, _, window, cx| {
 284            render_dropdown(*settings_field, file, window, cx)
 285        })
 286        .add_renderer::<settings::DiagnosticSeverityContent>(
 287            |settings_field, file, _, window, cx| {
 288                render_dropdown(*settings_field, file, window, cx)
 289            },
 290        )
 291        .add_renderer::<settings::SeedQuerySetting>(|settings_field, file, _, window, cx| {
 292            render_dropdown(*settings_field, file, window, cx)
 293        })
 294        .add_renderer::<settings::DoubleClickInMultibuffer>(
 295            |settings_field, file, _, window, cx| {
 296                render_dropdown(*settings_field, file, window, cx)
 297            },
 298        )
 299        .add_renderer::<settings::GoToDefinitionFallback>(|settings_field, file, _, window, cx| {
 300            render_dropdown(*settings_field, file, window, cx)
 301        })
 302        .add_renderer::<settings::ActivateOnClose>(|settings_field, file, _, window, cx| {
 303            render_dropdown(*settings_field, file, window, cx)
 304        })
 305        .add_renderer::<settings::ShowDiagnostics>(|settings_field, file, _, window, cx| {
 306            render_dropdown(*settings_field, file, window, cx)
 307        })
 308        .add_renderer::<settings::ShowCloseButton>(|settings_field, file, _, window, cx| {
 309            render_dropdown(*settings_field, file, window, cx)
 310        })
 311        .add_renderer::<f32>(|settings_field, file, _, window, cx| {
 312            render_numeric_stepper(*settings_field, file, window, cx)
 313        })
 314        .add_renderer::<u32>(|settings_field, file, _, window, cx| {
 315            render_numeric_stepper(*settings_field, file, window, cx)
 316        })
 317        .add_renderer::<u64>(|settings_field, file, _, window, cx| {
 318            render_numeric_stepper(*settings_field, file, window, cx)
 319        })
 320        .add_renderer::<NonZeroU32>(|settings_field, file, _, window, cx| {
 321            render_numeric_stepper(*settings_field, file, window, cx)
 322        })
 323        .add_renderer::<CodeFade>(|settings_field, file, _, window, cx| {
 324            render_numeric_stepper(*settings_field, file, window, cx)
 325        })
 326        .add_renderer::<FontWeight>(|settings_field, file, _, window, cx| {
 327            render_numeric_stepper(*settings_field, file, window, cx)
 328        });
 329
 330    // todo(settings_ui): Figure out how we want to handle discriminant unions
 331    // .add_renderer::<ThemeSelection>(|settings_field, file, _, window, cx| {
 332    //     render_dropdown(*settings_field, file, window, cx)
 333    // });
 334}
 335
 336pub fn open_settings_editor(cx: &mut App) -> anyhow::Result<WindowHandle<SettingsWindow>> {
 337    cx.open_window(
 338        WindowOptions {
 339            titlebar: Some(TitlebarOptions {
 340                title: Some("Settings Window".into()),
 341                appears_transparent: true,
 342                traffic_light_position: Some(point(px(12.0), px(12.0))),
 343            }),
 344            focus: true,
 345            show: true,
 346            kind: gpui::WindowKind::Normal,
 347            window_background: cx.theme().window_background_appearance(),
 348            window_min_size: Some(size(px(800.), px(600.))), // 4:3 Aspect Ratio
 349            ..Default::default()
 350        },
 351        |window, cx| cx.new(|cx| SettingsWindow::new(window, cx)),
 352    )
 353}
 354
 355pub struct SettingsWindow {
 356    files: Vec<SettingsUiFile>,
 357    current_file: SettingsUiFile,
 358    pages: Vec<SettingsPage>,
 359    search_bar: Entity<Editor>,
 360    search_task: Option<Task<()>>,
 361    navbar_entry: usize, // Index into pages - should probably be (usize, Option<usize>) for section + page
 362    navbar_entries: Vec<NavBarEntry>,
 363    list_handle: UniformListScrollHandle,
 364    search_matches: Vec<Vec<bool>>,
 365    /// The current sub page path that is selected.
 366    /// If this is empty the selected page is rendered,
 367    /// otherwise the last sub page gets rendered.
 368    sub_page_stack: Vec<SubPage>,
 369    scroll_handle: ScrollHandle,
 370}
 371
 372struct SubPage {
 373    link: SubPageLink,
 374    section_header: &'static str,
 375}
 376
 377#[derive(PartialEq, Debug)]
 378struct NavBarEntry {
 379    title: &'static str,
 380    is_root: bool,
 381    expanded: bool,
 382    page_index: usize,
 383    item_index: Option<usize>,
 384}
 385
 386struct SettingsPage {
 387    title: &'static str,
 388    items: Vec<SettingsPageItem>,
 389}
 390
 391#[derive(PartialEq)]
 392enum SettingsPageItem {
 393    SectionHeader(&'static str),
 394    SettingItem(SettingItem),
 395    SubPageLink(SubPageLink),
 396}
 397
 398impl std::fmt::Debug for SettingsPageItem {
 399    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 400        match self {
 401            SettingsPageItem::SectionHeader(header) => write!(f, "SectionHeader({})", header),
 402            SettingsPageItem::SettingItem(setting_item) => {
 403                write!(f, "SettingItem({})", setting_item.title)
 404            }
 405            SettingsPageItem::SubPageLink(sub_page_link) => {
 406                write!(f, "SubPageLink({})", sub_page_link.title)
 407            }
 408        }
 409    }
 410}
 411
 412impl SettingsPageItem {
 413    fn render(
 414        &self,
 415        file: SettingsUiFile,
 416        section_header: &'static str,
 417        is_last: bool,
 418        window: &mut Window,
 419        cx: &mut Context<SettingsWindow>,
 420    ) -> AnyElement {
 421        match self {
 422            SettingsPageItem::SectionHeader(header) => v_flex()
 423                .w_full()
 424                .gap_1()
 425                .child(
 426                    Label::new(SharedString::new_static(header))
 427                        .size(LabelSize::XSmall)
 428                        .color(Color::Muted)
 429                        .buffer_font(cx),
 430                )
 431                .child(Divider::horizontal().color(ui::DividerColor::BorderVariant))
 432                .into_any_element(),
 433            SettingsPageItem::SettingItem(setting_item) => {
 434                let renderer = cx.default_global::<SettingFieldRenderer>().clone();
 435                let file_set_in =
 436                    SettingsUiFile::from_settings(setting_item.field.file_set_in(file.clone(), cx));
 437
 438                h_flex()
 439                    .id(setting_item.title)
 440                    .w_full()
 441                    .gap_2()
 442                    .flex_wrap()
 443                    .justify_between()
 444                    .map(|this| {
 445                        if is_last {
 446                            this.pb_6()
 447                        } else {
 448                            this.pb_4()
 449                                .border_b_1()
 450                                .border_color(cx.theme().colors().border_variant)
 451                        }
 452                    })
 453                    .child(
 454                        v_flex()
 455                            .max_w_1_2()
 456                            .flex_shrink()
 457                            .child(
 458                                h_flex()
 459                                    .w_full()
 460                                    .gap_1()
 461                                    .child(Label::new(SharedString::new_static(setting_item.title)))
 462                                    .when_some(
 463                                        file_set_in.filter(|file_set_in| file_set_in != &file),
 464                                        |this, file_set_in| {
 465                                            this.child(
 466                                                Label::new(format!(
 467                                                    "— set in {}",
 468                                                    file_set_in.name()
 469                                                ))
 470                                                .color(Color::Muted)
 471                                                .size(LabelSize::Small),
 472                                            )
 473                                        },
 474                                    ),
 475                            )
 476                            .child(
 477                                Label::new(SharedString::new_static(setting_item.description))
 478                                    .size(LabelSize::Small)
 479                                    .color(Color::Muted),
 480                            ),
 481                    )
 482                    .child(renderer.render(
 483                        setting_item.field.as_ref(),
 484                        file,
 485                        setting_item.metadata.as_deref(),
 486                        window,
 487                        cx,
 488                    ))
 489                    .into_any_element()
 490            }
 491            SettingsPageItem::SubPageLink(sub_page_link) => h_flex()
 492                .id(sub_page_link.title)
 493                .w_full()
 494                .gap_2()
 495                .flex_wrap()
 496                .justify_between()
 497                .when(!is_last, |this| {
 498                    this.pb_4()
 499                        .border_b_1()
 500                        .border_color(cx.theme().colors().border_variant)
 501                })
 502                .child(
 503                    v_flex()
 504                        .max_w_1_2()
 505                        .flex_shrink()
 506                        .child(Label::new(SharedString::new_static(sub_page_link.title))),
 507                )
 508                .child(
 509                    Button::new(("sub-page".into(), sub_page_link.title), "Configure")
 510                        .size(ButtonSize::Medium)
 511                        .icon(IconName::ChevronRight)
 512                        .icon_position(IconPosition::End)
 513                        .icon_color(Color::Muted)
 514                        .icon_size(IconSize::Small)
 515                        .style(ButtonStyle::Outlined),
 516                )
 517                .on_click({
 518                    let sub_page_link = sub_page_link.clone();
 519                    cx.listener(move |this, _, _, cx| {
 520                        this.push_sub_page(sub_page_link.clone(), section_header, cx)
 521                    })
 522                })
 523                .into_any_element(),
 524        }
 525    }
 526}
 527
 528struct SettingItem {
 529    title: &'static str,
 530    description: &'static str,
 531    field: Box<dyn AnySettingField>,
 532    metadata: Option<Box<SettingsFieldMetadata>>,
 533}
 534
 535impl PartialEq for SettingItem {
 536    fn eq(&self, other: &Self) -> bool {
 537        self.title == other.title
 538            && self.description == other.description
 539            && (match (&self.metadata, &other.metadata) {
 540                (None, None) => true,
 541                (Some(m1), Some(m2)) => m1.placeholder == m2.placeholder,
 542                _ => false,
 543            })
 544    }
 545}
 546
 547#[derive(Clone)]
 548struct SubPageLink {
 549    title: &'static str,
 550    render: Rc<dyn Fn(&mut SettingsWindow, &mut Window, &mut App) -> AnyElement>,
 551}
 552
 553impl PartialEq for SubPageLink {
 554    fn eq(&self, other: &Self) -> bool {
 555        self.title == other.title
 556    }
 557}
 558
 559#[allow(unused)]
 560#[derive(Clone, PartialEq)]
 561enum SettingsUiFile {
 562    User,                              // Uses all settings.
 563    Local((WorktreeId, Arc<RelPath>)), // Has a special name, and special set of settings
 564    Server(&'static str),              // Uses a special name, and the user settings
 565}
 566
 567impl SettingsUiFile {
 568    fn pages(&self) -> Vec<SettingsPage> {
 569        match self {
 570            SettingsUiFile::User => page_data::user_settings_data(),
 571            SettingsUiFile::Local(_) => page_data::project_settings_data(),
 572            SettingsUiFile::Server(_) => page_data::user_settings_data(),
 573        }
 574    }
 575
 576    fn name(&self) -> SharedString {
 577        match self {
 578            SettingsUiFile::User => SharedString::new_static("User"),
 579            // TODO is PathStyle::local() ever not appropriate?
 580            SettingsUiFile::Local((_, path)) => {
 581                format!("Local ({})", path.display(PathStyle::local())).into()
 582            }
 583            SettingsUiFile::Server(file) => format!("Server ({})", file).into(),
 584        }
 585    }
 586
 587    fn from_settings(file: settings::SettingsFile) -> Option<Self> {
 588        Some(match file {
 589            settings::SettingsFile::User => SettingsUiFile::User,
 590            settings::SettingsFile::Local(location) => SettingsUiFile::Local(location),
 591            settings::SettingsFile::Server => SettingsUiFile::Server("todo: server name"),
 592            settings::SettingsFile::Default => return None,
 593        })
 594    }
 595
 596    fn to_settings(&self) -> settings::SettingsFile {
 597        match self {
 598            SettingsUiFile::User => settings::SettingsFile::User,
 599            SettingsUiFile::Local(location) => settings::SettingsFile::Local(location.clone()),
 600            SettingsUiFile::Server(_) => settings::SettingsFile::Server,
 601        }
 602    }
 603}
 604
 605impl SettingsWindow {
 606    pub fn new(window: &mut Window, cx: &mut Context<Self>) -> Self {
 607        let font_family_cache = theme::FontFamilyCache::global(cx);
 608
 609        cx.spawn(async move |this, cx| {
 610            font_family_cache.prefetch(cx).await;
 611            this.update(cx, |_, cx| {
 612                cx.notify();
 613            })
 614        })
 615        .detach();
 616
 617        let current_file = SettingsUiFile::User;
 618        let search_bar = cx.new(|cx| {
 619            let mut editor = Editor::single_line(window, cx);
 620            editor.set_placeholder_text("Search settings…", window, cx);
 621            editor
 622        });
 623
 624        cx.subscribe(&search_bar, |this, _, event: &EditorEvent, cx| {
 625            let EditorEvent::Edited { transaction_id: _ } = event else {
 626                return;
 627            };
 628
 629            this.update_matches(cx);
 630        })
 631        .detach();
 632
 633        cx.observe_global_in::<SettingsStore>(window, move |this, _, cx| {
 634            this.fetch_files(cx);
 635            cx.notify();
 636        })
 637        .detach();
 638
 639        let mut this = Self {
 640            files: vec![],
 641            current_file: current_file,
 642            pages: vec![],
 643            navbar_entries: vec![],
 644            navbar_entry: 0,
 645            list_handle: UniformListScrollHandle::default(),
 646            search_bar,
 647            search_task: None,
 648            search_matches: vec![],
 649            sub_page_stack: vec![],
 650            scroll_handle: ScrollHandle::new(),
 651        };
 652
 653        this.fetch_files(cx);
 654        this.build_ui(cx);
 655
 656        this.search_bar.update(cx, |editor, cx| {
 657            editor.focus_handle(cx).focus(window);
 658        });
 659
 660        this
 661    }
 662
 663    fn toggle_navbar_entry(&mut self, ix: usize) {
 664        // We can only toggle root entries
 665        if !self.navbar_entries[ix].is_root {
 666            return;
 667        }
 668
 669        let toggle_page_index = self.page_index_from_navbar_index(ix);
 670        let selected_page_index = self.page_index_from_navbar_index(self.navbar_entry);
 671
 672        let expanded = &mut self.navbar_entries[ix].expanded;
 673        *expanded = !*expanded;
 674        // if currently selected page is a child of the parent page we are folding,
 675        // set the current page to the parent page
 676        if !*expanded && selected_page_index == toggle_page_index {
 677            self.navbar_entry = ix;
 678        }
 679    }
 680
 681    fn build_navbar(&mut self) {
 682        let mut navbar_entries = Vec::with_capacity(self.navbar_entries.len());
 683        for (page_index, page) in self.pages.iter().enumerate() {
 684            navbar_entries.push(NavBarEntry {
 685                title: page.title,
 686                is_root: true,
 687                expanded: false,
 688                page_index,
 689                item_index: None,
 690            });
 691
 692            for (item_index, item) in page.items.iter().enumerate() {
 693                let SettingsPageItem::SectionHeader(title) = item else {
 694                    continue;
 695                };
 696                navbar_entries.push(NavBarEntry {
 697                    title,
 698                    is_root: false,
 699                    expanded: false,
 700                    page_index,
 701                    item_index: Some(item_index),
 702                });
 703            }
 704        }
 705        self.navbar_entries = navbar_entries;
 706    }
 707
 708    fn visible_navbar_entries(&self) -> impl Iterator<Item = (usize, &NavBarEntry)> {
 709        let mut index = 0;
 710        let entries = &self.navbar_entries;
 711        let search_matches = &self.search_matches;
 712        std::iter::from_fn(move || {
 713            while index < entries.len() {
 714                let entry = &entries[index];
 715                let included_in_search = if let Some(item_index) = entry.item_index {
 716                    search_matches[entry.page_index][item_index]
 717                } else {
 718                    search_matches[entry.page_index].iter().any(|b| *b)
 719                        || search_matches[entry.page_index].is_empty()
 720                };
 721                if included_in_search {
 722                    break;
 723                }
 724                index += 1;
 725            }
 726            if index >= self.navbar_entries.len() {
 727                return None;
 728            }
 729            let entry = &entries[index];
 730            let entry_index = index;
 731
 732            index += 1;
 733            if entry.is_root && !entry.expanded {
 734                while index < entries.len() {
 735                    if entries[index].is_root {
 736                        break;
 737                    }
 738                    index += 1;
 739                }
 740            }
 741
 742            return Some((entry_index, entry));
 743        })
 744    }
 745
 746    fn update_matches(&mut self, cx: &mut Context<SettingsWindow>) {
 747        self.search_task.take();
 748        let query = self.search_bar.read(cx).text(cx);
 749        if query.is_empty() {
 750            for page in &mut self.search_matches {
 751                page.fill(true);
 752            }
 753            cx.notify();
 754            return;
 755        }
 756
 757        struct ItemKey {
 758            page_index: usize,
 759            header_index: usize,
 760            item_index: usize,
 761        }
 762        let mut key_lut: Vec<ItemKey> = vec![];
 763        let mut candidates = Vec::default();
 764
 765        for (page_index, page) in self.pages.iter().enumerate() {
 766            let mut header_index = 0;
 767            for (item_index, item) in page.items.iter().enumerate() {
 768                let key_index = key_lut.len();
 769                match item {
 770                    SettingsPageItem::SettingItem(item) => {
 771                        candidates.push(StringMatchCandidate::new(key_index, item.title));
 772                        candidates.push(StringMatchCandidate::new(key_index, item.description));
 773                    }
 774                    SettingsPageItem::SectionHeader(header) => {
 775                        candidates.push(StringMatchCandidate::new(key_index, header));
 776                        header_index = item_index;
 777                    }
 778                    SettingsPageItem::SubPageLink(sub_page_link) => {
 779                        candidates.push(StringMatchCandidate::new(key_index, sub_page_link.title));
 780                    }
 781                }
 782                key_lut.push(ItemKey {
 783                    page_index,
 784                    header_index,
 785                    item_index,
 786                });
 787            }
 788        }
 789        let atomic_bool = AtomicBool::new(false);
 790
 791        self.search_task = Some(cx.spawn(async move |this, cx| {
 792            let string_matches = fuzzy::match_strings(
 793                candidates.as_slice(),
 794                &query,
 795                false,
 796                true,
 797                candidates.len(),
 798                &atomic_bool,
 799                cx.background_executor().clone(),
 800            );
 801            let string_matches = string_matches.await;
 802
 803            this.update(cx, |this, cx| {
 804                for page in &mut this.search_matches {
 805                    page.fill(false);
 806                }
 807
 808                for string_match in string_matches {
 809                    let ItemKey {
 810                        page_index,
 811                        header_index,
 812                        item_index,
 813                    } = key_lut[string_match.candidate_id];
 814                    let page = &mut this.search_matches[page_index];
 815                    page[header_index] = true;
 816                    page[item_index] = true;
 817                }
 818                let first_navbar_entry_index = this
 819                    .visible_navbar_entries()
 820                    .next()
 821                    .map(|e| e.0)
 822                    .unwrap_or(0);
 823                this.navbar_entry = first_navbar_entry_index;
 824                cx.notify();
 825            })
 826            .ok();
 827        }));
 828    }
 829
 830    fn build_search_matches(&mut self) {
 831        self.search_matches = self
 832            .pages
 833            .iter()
 834            .map(|page| vec![true; page.items.len()])
 835            .collect::<Vec<_>>();
 836    }
 837
 838    fn build_ui(&mut self, cx: &mut Context<SettingsWindow>) {
 839        self.pages = self.current_file.pages();
 840        self.build_search_matches();
 841        self.build_navbar();
 842
 843        if !self.search_bar.read(cx).is_empty(cx) {
 844            self.update_matches(cx);
 845        }
 846
 847        cx.notify();
 848    }
 849
 850    fn fetch_files(&mut self, cx: &mut Context<SettingsWindow>) {
 851        let settings_store = cx.global::<SettingsStore>();
 852        let mut ui_files = vec![];
 853        let all_files = settings_store.get_all_files();
 854        for file in all_files {
 855            let Some(settings_ui_file) = SettingsUiFile::from_settings(file) else {
 856                continue;
 857            };
 858            ui_files.push(settings_ui_file);
 859        }
 860        ui_files.reverse();
 861        self.files = ui_files;
 862        if !self.files.contains(&self.current_file) {
 863            self.change_file(0, cx);
 864        }
 865    }
 866
 867    fn change_file(&mut self, ix: usize, cx: &mut Context<SettingsWindow>) {
 868        if ix >= self.files.len() {
 869            self.current_file = SettingsUiFile::User;
 870            return;
 871        }
 872        if self.files[ix] == self.current_file {
 873            return;
 874        }
 875        self.current_file = self.files[ix].clone();
 876        self.navbar_entry = 0;
 877        self.build_ui(cx);
 878    }
 879
 880    fn render_files(&self, _window: &mut Window, cx: &mut Context<SettingsWindow>) -> Div {
 881        h_flex()
 882            .gap_1()
 883            .children(self.files.iter().enumerate().map(|(ix, file)| {
 884                Button::new(ix, file.name())
 885                    .toggle_state(file == &self.current_file)
 886                    .selected_style(ButtonStyle::Tinted(ui::TintColor::Accent))
 887                    .on_click(cx.listener(move |this, _, _window, cx| this.change_file(ix, cx)))
 888            }))
 889    }
 890
 891    fn render_search(&self, _window: &mut Window, cx: &mut App) -> Div {
 892        h_flex()
 893            .py_1()
 894            .px_1p5()
 895            .gap_1p5()
 896            .rounded_sm()
 897            .bg(cx.theme().colors().editor_background)
 898            .border_1()
 899            .border_color(cx.theme().colors().border)
 900            .child(Icon::new(IconName::MagnifyingGlass).color(Color::Muted))
 901            .child(self.search_bar.clone())
 902    }
 903
 904    fn render_nav(
 905        &self,
 906        window: &mut Window,
 907        cx: &mut Context<SettingsWindow>,
 908    ) -> impl IntoElement {
 909        let visible_entries: Vec<_> = self.visible_navbar_entries().collect();
 910        let visible_count = visible_entries.len();
 911
 912        v_flex()
 913            .w_64()
 914            .p_2p5()
 915            .pt_10()
 916            .gap_3()
 917            .flex_none()
 918            .border_r_1()
 919            .border_color(cx.theme().colors().border)
 920            .bg(cx.theme().colors().panel_background)
 921            .child(self.render_search(window, cx))
 922            .child(
 923                v_flex()
 924                    .size_full()
 925                    .child(
 926                        uniform_list(
 927                            "settings-ui-nav-bar",
 928                            visible_count,
 929                            cx.processor(move |this, range: Range<usize>, _, cx| {
 930                                let entries: Vec<_> = this.visible_navbar_entries().collect();
 931                                range
 932                                    .filter_map(|ix| entries.get(ix).copied())
 933                                    .map(|(ix, entry)| {
 934                                        TreeViewItem::new(
 935                                            ("settings-ui-navbar-entry", ix),
 936                                            entry.title,
 937                                        )
 938                                        .root_item(entry.is_root)
 939                                        .toggle_state(this.is_navbar_entry_selected(ix))
 940                                        .when(entry.is_root, |item| {
 941                                            item.expanded(entry.expanded).on_toggle(cx.listener(
 942                                                move |this, _, _, cx| {
 943                                                    this.toggle_navbar_entry(ix);
 944                                                    cx.notify();
 945                                                },
 946                                            ))
 947                                        })
 948                                        .on_click(cx.listener(move |this, _, _, cx| {
 949                                            this.navbar_entry = ix;
 950                                            cx.notify();
 951                                        }))
 952                                        .into_any_element()
 953                                    })
 954                                    .collect()
 955                            }),
 956                        )
 957                        .track_scroll(self.list_handle.clone())
 958                        .flex_grow(),
 959                    )
 960                    .vertical_scrollbar_for(self.list_handle.clone(), window, cx),
 961            )
 962    }
 963
 964    fn page_items(&self) -> impl Iterator<Item = &SettingsPageItem> {
 965        let page_idx = self.current_page_index();
 966
 967        self.current_page()
 968            .items
 969            .iter()
 970            .enumerate()
 971            .filter_map(move |(item_index, item)| {
 972                self.search_matches[page_idx][item_index].then_some(item)
 973            })
 974    }
 975
 976    fn render_sub_page_breadcrumbs(&self) -> impl IntoElement {
 977        let mut items = vec![];
 978        items.push(self.current_page().title);
 979        items.extend(
 980            self.sub_page_stack
 981                .iter()
 982                .flat_map(|page| [page.section_header, page.link.title]),
 983        );
 984
 985        let last = items.pop().unwrap();
 986        h_flex()
 987            .gap_1()
 988            .children(
 989                items
 990                    .into_iter()
 991                    .flat_map(|item| [item, "/"])
 992                    .map(|item| Label::new(item).color(Color::Muted)),
 993            )
 994            .child(Label::new(last))
 995    }
 996
 997    fn render_page(
 998        &mut self,
 999        window: &mut Window,
1000        cx: &mut Context<SettingsWindow>,
1001    ) -> impl IntoElement {
1002        let mut page = v_flex()
1003            .w_full()
1004            .pt_4()
1005            .pb_6()
1006            .px_6()
1007            .gap_4()
1008            .bg(cx.theme().colors().editor_background)
1009            .vertical_scrollbar_for(self.scroll_handle.clone(), window, cx);
1010
1011        let mut page_content = v_flex()
1012            .id("settings-ui-page")
1013            .size_full()
1014            .gap_4()
1015            .overflow_y_scroll()
1016            .track_scroll(&self.scroll_handle);
1017
1018        if self.sub_page_stack.len() == 0 {
1019            page = page.child(self.render_files(window, cx));
1020
1021            let items: Vec<_> = self.page_items().collect();
1022            let items_len = items.len();
1023            let mut section_header = None;
1024
1025            let search_query = self.search_bar.read(cx).text(cx);
1026            let has_active_search = !search_query.is_empty();
1027            let has_no_results = items_len == 0 && has_active_search;
1028
1029            if has_no_results {
1030                page_content = page_content.child(
1031                    v_flex()
1032                        .size_full()
1033                        .items_center()
1034                        .justify_center()
1035                        .gap_1()
1036                        .child(div().child("No Results"))
1037                        .child(
1038                            div()
1039                                .text_sm()
1040                                .text_color(cx.theme().colors().text_muted)
1041                                .child(format!("No settings match \"{}\"", search_query)),
1042                        ),
1043                )
1044            } else {
1045                let last_non_header_index = items
1046                    .iter()
1047                    .enumerate()
1048                    .rev()
1049                    .find(|(_, item)| !matches!(item, SettingsPageItem::SectionHeader(_)))
1050                    .map(|(index, _)| index);
1051
1052                page_content = page_content.children(items.clone().into_iter().enumerate().map(
1053                    |(index, item)| {
1054                        let no_bottom_border = items
1055                            .get(index + 1)
1056                            .map(|next_item| {
1057                                matches!(next_item, SettingsPageItem::SectionHeader(_))
1058                            })
1059                            .unwrap_or(false);
1060                        let is_last = Some(index) == last_non_header_index;
1061
1062                        if let SettingsPageItem::SectionHeader(header) = item {
1063                            section_header = Some(*header);
1064                        }
1065                        item.render(
1066                            self.current_file.clone(),
1067                            section_header.expect("All items rendered after a section header"),
1068                            no_bottom_border || is_last,
1069                            window,
1070                            cx,
1071                        )
1072                    },
1073                ))
1074            }
1075        } else {
1076            page = page.child(
1077                h_flex()
1078                    .ml_neg_1p5()
1079                    .gap_1()
1080                    .child(
1081                        IconButton::new("back-btn", IconName::ArrowLeft)
1082                            .icon_size(IconSize::Small)
1083                            .shape(IconButtonShape::Square)
1084                            .on_click(cx.listener(|this, _, _, cx| {
1085                                this.pop_sub_page(cx);
1086                            })),
1087                    )
1088                    .child(self.render_sub_page_breadcrumbs()),
1089            );
1090
1091            let active_page_render_fn = self.sub_page_stack.last().unwrap().link.render.clone();
1092            page_content = page_content.child((active_page_render_fn)(self, window, cx));
1093        }
1094
1095        return page.child(page_content);
1096    }
1097
1098    fn current_page_index(&self) -> usize {
1099        self.page_index_from_navbar_index(self.navbar_entry)
1100    }
1101
1102    fn current_page(&self) -> &SettingsPage {
1103        &self.pages[self.current_page_index()]
1104    }
1105
1106    fn page_index_from_navbar_index(&self, index: usize) -> usize {
1107        if self.navbar_entries.is_empty() {
1108            return 0;
1109        }
1110
1111        self.navbar_entries[index].page_index
1112    }
1113
1114    fn is_navbar_entry_selected(&self, ix: usize) -> bool {
1115        ix == self.navbar_entry
1116    }
1117
1118    fn push_sub_page(
1119        &mut self,
1120        sub_page_link: SubPageLink,
1121        section_header: &'static str,
1122        cx: &mut Context<SettingsWindow>,
1123    ) {
1124        self.sub_page_stack.push(SubPage {
1125            link: sub_page_link,
1126            section_header,
1127        });
1128        cx.notify();
1129    }
1130
1131    fn pop_sub_page(&mut self, cx: &mut Context<SettingsWindow>) {
1132        self.sub_page_stack.pop();
1133        cx.notify();
1134    }
1135}
1136
1137impl Render for SettingsWindow {
1138    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1139        let ui_font = theme::setup_ui_font(window, cx);
1140
1141        div()
1142            .key_context("SettingsWindow")
1143            .flex()
1144            .flex_row()
1145            .size_full()
1146            .font(ui_font)
1147            .bg(cx.theme().colors().background)
1148            .text_color(cx.theme().colors().text)
1149            .child(self.render_nav(window, cx))
1150            .child(self.render_page(window, cx))
1151    }
1152}
1153
1154fn update_settings_file(
1155    file: SettingsUiFile,
1156    cx: &mut App,
1157    update: impl 'static + Send + FnOnce(&mut SettingsContent, &App),
1158) -> Result<()> {
1159    match file {
1160        SettingsUiFile::Local((worktree_id, rel_path)) => {
1161            fn all_projects(cx: &App) -> impl Iterator<Item = Entity<project::Project>> {
1162                workspace::AppState::global(cx)
1163                    .upgrade()
1164                    .map(|app_state| {
1165                        app_state
1166                            .workspace_store
1167                            .read(cx)
1168                            .workspaces()
1169                            .iter()
1170                            .filter_map(|workspace| {
1171                                Some(workspace.read(cx).ok()?.project().clone())
1172                            })
1173                    })
1174                    .into_iter()
1175                    .flatten()
1176            }
1177            let rel_path = rel_path.join(paths::local_settings_file_relative_path());
1178            let project = all_projects(cx).find(|project| {
1179                project.read_with(cx, |project, cx| {
1180                    project.contains_local_settings_file(worktree_id, &rel_path, cx)
1181                })
1182            });
1183            let Some(project) = project else {
1184                anyhow::bail!(
1185                    "Could not find worktree containing settings file: {}",
1186                    &rel_path.display(PathStyle::local())
1187                );
1188            };
1189            project.update(cx, |project, cx| {
1190                project.update_local_settings_file(worktree_id, rel_path, cx, update);
1191            });
1192            return Ok(());
1193        }
1194        SettingsUiFile::User => {
1195            // todo(settings_ui) error?
1196            SettingsStore::global(cx).update_settings_file(<dyn fs::Fs>::global(cx), update);
1197            Ok(())
1198        }
1199        SettingsUiFile::Server(_) => unimplemented!(),
1200    }
1201}
1202
1203fn render_text_field<T: From<String> + Into<String> + AsRef<str> + Clone>(
1204    field: SettingField<T>,
1205    file: SettingsUiFile,
1206    metadata: Option<&SettingsFieldMetadata>,
1207    cx: &mut App,
1208) -> AnyElement {
1209    let (_, initial_text) =
1210        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1211    let initial_text = Some(initial_text.clone()).filter(|s| !s.as_ref().is_empty());
1212
1213    SettingsEditor::new()
1214        .when_some(initial_text, |editor, text| {
1215            editor.with_initial_text(text.into())
1216        })
1217        .when_some(
1218            metadata.and_then(|metadata| metadata.placeholder),
1219            |editor, placeholder| editor.with_placeholder(placeholder),
1220        )
1221        .on_confirm({
1222            move |new_text, cx| {
1223                update_settings_file(file.clone(), cx, move |settings, _cx| {
1224                    *(field.pick_mut)(settings) = new_text.map(Into::into);
1225                })
1226                .log_err(); // todo(settings_ui) don't log err
1227            }
1228        })
1229        .into_any_element()
1230}
1231
1232fn render_toggle_button<B: Into<bool> + From<bool> + Copy>(
1233    field: SettingField<B>,
1234    file: SettingsUiFile,
1235    cx: &mut App,
1236) -> AnyElement {
1237    let (_, &value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1238
1239    let toggle_state = if value.into() {
1240        ToggleState::Selected
1241    } else {
1242        ToggleState::Unselected
1243    };
1244
1245    Switch::new("toggle_button", toggle_state)
1246        .color(ui::SwitchColor::Accent)
1247        .on_click({
1248            move |state, _window, cx| {
1249                let state = *state == ui::ToggleState::Selected;
1250                update_settings_file(file.clone(), cx, move |settings, _cx| {
1251                    *(field.pick_mut)(settings) = Some(state.into());
1252                })
1253                .log_err(); // todo(settings_ui) don't log err
1254            }
1255        })
1256        .color(SwitchColor::Accent)
1257        .into_any_element()
1258}
1259
1260fn render_font_picker(
1261    field: SettingField<settings::FontFamilyName>,
1262    file: SettingsUiFile,
1263    window: &mut Window,
1264    cx: &mut App,
1265) -> AnyElement {
1266    let current_value = SettingsStore::global(cx)
1267        .get_value_from_file(file.to_settings(), field.pick)
1268        .1
1269        .clone();
1270
1271    let font_picker = cx.new(|cx| {
1272        ui_input::font_picker(
1273            current_value.clone().into(),
1274            move |font_name, cx| {
1275                update_settings_file(file.clone(), cx, move |settings, _cx| {
1276                    *(field.pick_mut)(settings) = Some(font_name.into());
1277                })
1278                .log_err(); // todo(settings_ui) don't log err
1279            },
1280            window,
1281            cx,
1282        )
1283    });
1284
1285    div()
1286        .child(
1287            PopoverMenu::new("font-picker")
1288                .menu(move |_window, _cx| Some(font_picker.clone()))
1289                .trigger(
1290                    ButtonLike::new("font-family-button")
1291                        .style(ButtonStyle::Outlined)
1292                        .size(ButtonSize::Medium)
1293                        .full_width()
1294                        .child(
1295                            h_flex()
1296                                .w_full()
1297                                .justify_between()
1298                                .child(Label::new(current_value))
1299                                .child(
1300                                    Icon::new(IconName::ChevronUpDown)
1301                                        .color(Color::Muted)
1302                                        .size(IconSize::XSmall),
1303                                ),
1304                        ),
1305                )
1306                .full_width(true)
1307                .anchor(gpui::Corner::TopLeft)
1308                .offset(gpui::Point {
1309                    x: px(0.0),
1310                    y: px(4.0),
1311                })
1312                .with_handle(ui::PopoverMenuHandle::default()),
1313        )
1314        .into_any_element()
1315}
1316
1317fn render_numeric_stepper<T: NumericStepperType + Send + Sync>(
1318    field: SettingField<T>,
1319    file: SettingsUiFile,
1320    window: &mut Window,
1321    cx: &mut App,
1322) -> AnyElement {
1323    let (_, &value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1324
1325    NumericStepper::new("numeric_stepper", value, window, cx)
1326        .on_change({
1327            move |value, _window, cx| {
1328                let value = *value;
1329                update_settings_file(file.clone(), cx, move |settings, _cx| {
1330                    *(field.pick_mut)(settings) = Some(value);
1331                })
1332                .log_err(); // todo(settings_ui) don't log err
1333            }
1334        })
1335        .style(NumericStepperStyle::Outlined)
1336        .into_any_element()
1337}
1338
1339fn render_dropdown<T>(
1340    field: SettingField<T>,
1341    file: SettingsUiFile,
1342    window: &mut Window,
1343    cx: &mut App,
1344) -> AnyElement
1345where
1346    T: strum::VariantArray + strum::VariantNames + Copy + PartialEq + Send + Sync + 'static,
1347{
1348    let variants = || -> &'static [T] { <T as strum::VariantArray>::VARIANTS };
1349    let labels = || -> &'static [&'static str] { <T as strum::VariantNames>::VARIANTS };
1350
1351    let (_, &current_value) =
1352        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1353
1354    let current_value_label =
1355        labels()[variants().iter().position(|v| *v == current_value).unwrap()];
1356
1357    DropdownMenu::new(
1358        "dropdown",
1359        current_value_label,
1360        ContextMenu::build(window, cx, move |mut menu, _, _| {
1361            for (&value, &label) in std::iter::zip(variants(), labels()) {
1362                let file = file.clone();
1363                menu = menu.toggleable_entry(
1364                    label,
1365                    value == current_value,
1366                    IconPosition::Start,
1367                    None,
1368                    move |_, cx| {
1369                        if value == current_value {
1370                            return;
1371                        }
1372                        update_settings_file(file.clone(), cx, move |settings, _cx| {
1373                            *(field.pick_mut)(settings) = Some(value);
1374                        })
1375                        .log_err(); // todo(settings_ui) don't log err
1376                    },
1377                );
1378            }
1379            menu
1380        }),
1381    )
1382    .trigger_size(ButtonSize::Medium)
1383    .style(DropdownStyle::Outlined)
1384    .offset(gpui::Point {
1385        x: px(0.0),
1386        y: px(2.0),
1387    })
1388    .into_any_element()
1389}
1390
1391#[cfg(test)]
1392mod test {
1393
1394    use super::*;
1395
1396    impl SettingsWindow {
1397        fn navbar_entry(&self) -> usize {
1398            self.navbar_entry
1399        }
1400
1401        fn new_builder(window: &mut Window, cx: &mut Context<Self>) -> Self {
1402            let mut this = Self::new(window, cx);
1403            this.navbar_entries.clear();
1404            this.pages.clear();
1405            this
1406        }
1407
1408        fn build(mut self) -> Self {
1409            self.build_search_matches();
1410            self.build_navbar();
1411            self
1412        }
1413
1414        fn add_page(
1415            mut self,
1416            title: &'static str,
1417            build_page: impl Fn(SettingsPage) -> SettingsPage,
1418        ) -> Self {
1419            let page = SettingsPage {
1420                title,
1421                items: Vec::default(),
1422            };
1423
1424            self.pages.push(build_page(page));
1425            self
1426        }
1427
1428        fn search(&mut self, search_query: &str, window: &mut Window, cx: &mut Context<Self>) {
1429            self.search_task.take();
1430            self.search_bar.update(cx, |editor, cx| {
1431                editor.set_text(search_query, window, cx);
1432            });
1433            self.update_matches(cx);
1434        }
1435
1436        fn assert_search_results(&self, other: &Self) {
1437            // page index could be different because of filtered out pages
1438            #[derive(Debug, PartialEq)]
1439            struct EntryMinimal {
1440                is_root: bool,
1441                title: &'static str,
1442            }
1443            pretty_assertions::assert_eq!(
1444                other
1445                    .visible_navbar_entries()
1446                    .map(|(_, entry)| EntryMinimal {
1447                        is_root: entry.is_root,
1448                        title: entry.title,
1449                    })
1450                    .collect::<Vec<_>>(),
1451                self.visible_navbar_entries()
1452                    .map(|(_, entry)| EntryMinimal {
1453                        is_root: entry.is_root,
1454                        title: entry.title,
1455                    })
1456                    .collect::<Vec<_>>(),
1457            );
1458            assert_eq!(
1459                self.current_page().items.iter().collect::<Vec<_>>(),
1460                other.page_items().collect::<Vec<_>>()
1461            );
1462        }
1463    }
1464
1465    impl SettingsPage {
1466        fn item(mut self, item: SettingsPageItem) -> Self {
1467            self.items.push(item);
1468            self
1469        }
1470    }
1471
1472    impl SettingsPageItem {
1473        fn basic_item(title: &'static str, description: &'static str) -> Self {
1474            SettingsPageItem::SettingItem(SettingItem {
1475                title,
1476                description,
1477                field: Box::new(SettingField {
1478                    pick: |settings_content| &settings_content.auto_update,
1479                    pick_mut: |settings_content| &mut settings_content.auto_update,
1480                }),
1481                metadata: None,
1482            })
1483        }
1484    }
1485
1486    fn register_settings(cx: &mut App) {
1487        settings::init(cx);
1488        theme::init(theme::LoadThemes::JustBase, cx);
1489        workspace::init_settings(cx);
1490        project::Project::init_settings(cx);
1491        language::init(cx);
1492        editor::init(cx);
1493        menu::init();
1494    }
1495
1496    fn parse(input: &'static str, window: &mut Window, cx: &mut App) -> SettingsWindow {
1497        let mut pages: Vec<SettingsPage> = Vec::new();
1498        let mut expanded_pages = Vec::new();
1499        let mut selected_idx = None;
1500        let mut index = 0;
1501        let mut in_expanded_section = false;
1502
1503        for mut line in input
1504            .lines()
1505            .map(|line| line.trim())
1506            .filter(|line| !line.is_empty())
1507        {
1508            if let Some(pre) = line.strip_suffix('*') {
1509                assert!(selected_idx.is_none(), "Only one selected entry allowed");
1510                selected_idx = Some(index);
1511                line = pre;
1512            }
1513            let (kind, title) = line.split_once(" ").unwrap();
1514            assert_eq!(kind.len(), 1);
1515            let kind = kind.chars().next().unwrap();
1516            if kind == 'v' {
1517                let page_idx = pages.len();
1518                expanded_pages.push(page_idx);
1519                pages.push(SettingsPage {
1520                    title,
1521                    items: vec![],
1522                });
1523                index += 1;
1524                in_expanded_section = true;
1525            } else if kind == '>' {
1526                pages.push(SettingsPage {
1527                    title,
1528                    items: vec![],
1529                });
1530                index += 1;
1531                in_expanded_section = false;
1532            } else if kind == '-' {
1533                pages
1534                    .last_mut()
1535                    .unwrap()
1536                    .items
1537                    .push(SettingsPageItem::SectionHeader(title));
1538                if selected_idx == Some(index) && !in_expanded_section {
1539                    panic!("Items in unexpanded sections cannot be selected");
1540                }
1541                index += 1;
1542            } else {
1543                panic!(
1544                    "Entries must start with one of 'v', '>', or '-'\n line: {}",
1545                    line
1546                );
1547            }
1548        }
1549
1550        let mut settings_window = SettingsWindow {
1551            files: Vec::default(),
1552            current_file: crate::SettingsUiFile::User,
1553            pages,
1554            search_bar: cx.new(|cx| Editor::single_line(window, cx)),
1555            navbar_entry: selected_idx.expect("Must have a selected navbar entry"),
1556            navbar_entries: Vec::default(),
1557            list_handle: UniformListScrollHandle::default(),
1558            search_matches: vec![],
1559            search_task: None,
1560            sub_page_stack: vec![],
1561            scroll_handle: ScrollHandle::new(),
1562        };
1563
1564        settings_window.build_search_matches();
1565        settings_window.build_navbar();
1566        for expanded_page_index in expanded_pages {
1567            for entry in &mut settings_window.navbar_entries {
1568                if entry.page_index == expanded_page_index && entry.is_root {
1569                    entry.expanded = true;
1570                }
1571            }
1572        }
1573        settings_window
1574    }
1575
1576    #[track_caller]
1577    fn check_navbar_toggle(
1578        before: &'static str,
1579        toggle_page: &'static str,
1580        after: &'static str,
1581        window: &mut Window,
1582        cx: &mut App,
1583    ) {
1584        let mut settings_window = parse(before, window, cx);
1585        let toggle_page_idx = settings_window
1586            .pages
1587            .iter()
1588            .position(|page| page.title == toggle_page)
1589            .expect("page not found");
1590        let toggle_idx = settings_window
1591            .navbar_entries
1592            .iter()
1593            .position(|entry| entry.page_index == toggle_page_idx)
1594            .expect("page not found");
1595        settings_window.toggle_navbar_entry(toggle_idx);
1596
1597        let expected_settings_window = parse(after, window, cx);
1598
1599        pretty_assertions::assert_eq!(
1600            settings_window
1601                .visible_navbar_entries()
1602                .map(|(_, entry)| entry)
1603                .collect::<Vec<_>>(),
1604            expected_settings_window
1605                .visible_navbar_entries()
1606                .map(|(_, entry)| entry)
1607                .collect::<Vec<_>>(),
1608        );
1609        pretty_assertions::assert_eq!(
1610            settings_window.navbar_entries[settings_window.navbar_entry()],
1611            expected_settings_window.navbar_entries[expected_settings_window.navbar_entry()],
1612        );
1613    }
1614
1615    macro_rules! check_navbar_toggle {
1616        ($name:ident, before: $before:expr, toggle_page: $toggle_page:expr, after: $after:expr) => {
1617            #[gpui::test]
1618            fn $name(cx: &mut gpui::TestAppContext) {
1619                let window = cx.add_empty_window();
1620                window.update(|window, cx| {
1621                    register_settings(cx);
1622                    check_navbar_toggle($before, $toggle_page, $after, window, cx);
1623                });
1624            }
1625        };
1626    }
1627
1628    check_navbar_toggle!(
1629        navbar_basic_open,
1630        before: r"
1631        v General
1632        - General
1633        - Privacy*
1634        v Project
1635        - Project Settings
1636        ",
1637        toggle_page: "General",
1638        after: r"
1639        > General*
1640        v Project
1641        - Project Settings
1642        "
1643    );
1644
1645    check_navbar_toggle!(
1646        navbar_basic_close,
1647        before: r"
1648        > General*
1649        - General
1650        - Privacy
1651        v Project
1652        - Project Settings
1653        ",
1654        toggle_page: "General",
1655        after: r"
1656        v General*
1657        - General
1658        - Privacy
1659        v Project
1660        - Project Settings
1661        "
1662    );
1663
1664    check_navbar_toggle!(
1665        navbar_basic_second_root_entry_close,
1666        before: r"
1667        > General
1668        - General
1669        - Privacy
1670        v Project
1671        - Project Settings*
1672        ",
1673        toggle_page: "Project",
1674        after: r"
1675        > General
1676        > Project*
1677        "
1678    );
1679
1680    check_navbar_toggle!(
1681        navbar_toggle_subroot,
1682        before: r"
1683        v General Page
1684        - General
1685        - Privacy
1686        v Project
1687        - Worktree Settings Content*
1688        v AI
1689        - General
1690        > Appearance & Behavior
1691        ",
1692        toggle_page: "Project",
1693        after: r"
1694        v General Page
1695        - General
1696        - Privacy
1697        > Project*
1698        v AI
1699        - General
1700        > Appearance & Behavior
1701        "
1702    );
1703
1704    check_navbar_toggle!(
1705        navbar_toggle_close_propagates_selected_index,
1706        before: r"
1707        v General Page
1708        - General
1709        - Privacy
1710        v Project
1711        - Worktree Settings Content
1712        v AI
1713        - General*
1714        > Appearance & Behavior
1715        ",
1716        toggle_page: "General Page",
1717        after: r"
1718        > General Page
1719        v Project
1720        - Worktree Settings Content
1721        v AI
1722        - General*
1723        > Appearance & Behavior
1724        "
1725    );
1726
1727    check_navbar_toggle!(
1728        navbar_toggle_expand_propagates_selected_index,
1729        before: r"
1730        > General Page
1731        - General
1732        - Privacy
1733        v Project
1734        - Worktree Settings Content
1735        v AI
1736        - General*
1737        > Appearance & Behavior
1738        ",
1739        toggle_page: "General Page",
1740        after: r"
1741        v General Page
1742        - General
1743        - Privacy
1744        v Project
1745        - Worktree Settings Content
1746        v AI
1747        - General*
1748        > Appearance & Behavior
1749        "
1750    );
1751
1752    #[gpui::test]
1753    fn test_basic_search(cx: &mut gpui::TestAppContext) {
1754        let cx = cx.add_empty_window();
1755        let (actual, expected) = cx.update(|window, cx| {
1756            register_settings(cx);
1757
1758            let expected = cx.new(|cx| {
1759                SettingsWindow::new_builder(window, cx)
1760                    .add_page("General", |page| {
1761                        page.item(SettingsPageItem::SectionHeader("General settings"))
1762                            .item(SettingsPageItem::basic_item("test title", "General test"))
1763                    })
1764                    .build()
1765            });
1766
1767            let actual = cx.new(|cx| {
1768                SettingsWindow::new_builder(window, cx)
1769                    .add_page("General", |page| {
1770                        page.item(SettingsPageItem::SectionHeader("General settings"))
1771                            .item(SettingsPageItem::basic_item("test title", "General test"))
1772                    })
1773                    .add_page("Theme", |page| {
1774                        page.item(SettingsPageItem::SectionHeader("Theme settings"))
1775                    })
1776                    .build()
1777            });
1778
1779            actual.update(cx, |settings, cx| settings.search("gen", window, cx));
1780
1781            (actual, expected)
1782        });
1783
1784        cx.cx.run_until_parked();
1785
1786        cx.update(|_window, cx| {
1787            let expected = expected.read(cx);
1788            let actual = actual.read(cx);
1789            expected.assert_search_results(&actual);
1790        })
1791    }
1792
1793    #[gpui::test]
1794    fn test_search_render_page_with_filtered_out_navbar_entries(cx: &mut gpui::TestAppContext) {
1795        let cx = cx.add_empty_window();
1796        let (actual, expected) = cx.update(|window, cx| {
1797            register_settings(cx);
1798
1799            let actual = cx.new(|cx| {
1800                SettingsWindow::new_builder(window, cx)
1801                    .add_page("General", |page| {
1802                        page.item(SettingsPageItem::SectionHeader("General settings"))
1803                            .item(SettingsPageItem::basic_item(
1804                                "Confirm Quit",
1805                                "Whether to confirm before quitting Zed",
1806                            ))
1807                            .item(SettingsPageItem::basic_item(
1808                                "Auto Update",
1809                                "Automatically update Zed",
1810                            ))
1811                    })
1812                    .add_page("AI", |page| {
1813                        page.item(SettingsPageItem::basic_item(
1814                            "Disable AI",
1815                            "Whether to disable all AI features in Zed",
1816                        ))
1817                    })
1818                    .add_page("Appearance & Behavior", |page| {
1819                        page.item(SettingsPageItem::SectionHeader("Cursor")).item(
1820                            SettingsPageItem::basic_item(
1821                                "Cursor Shape",
1822                                "Cursor shape for the editor",
1823                            ),
1824                        )
1825                    })
1826                    .build()
1827            });
1828
1829            let expected = cx.new(|cx| {
1830                SettingsWindow::new_builder(window, cx)
1831                    .add_page("Appearance & Behavior", |page| {
1832                        page.item(SettingsPageItem::SectionHeader("Cursor")).item(
1833                            SettingsPageItem::basic_item(
1834                                "Cursor Shape",
1835                                "Cursor shape for the editor",
1836                            ),
1837                        )
1838                    })
1839                    .build()
1840            });
1841
1842            actual.update(cx, |settings, cx| settings.search("cursor", window, cx));
1843
1844            (actual, expected)
1845        });
1846
1847        cx.cx.run_until_parked();
1848
1849        cx.update(|_window, cx| {
1850            let expected = expected.read(cx);
1851            let actual = actual.read(cx);
1852            expected.assert_search_results(&actual);
1853        })
1854    }
1855}