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, LazyLock, RwLock, 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        // todo(settings_ui): This needs custom ui
 243        // .add_renderer::<settings::BufferLineHeight>(|settings_field, file, _, window, cx| {
 244        //     // todo(settings_ui): Do we want to expose the custom variant of buffer line height?
 245        //     // right now there's a manual impl of strum::VariantArray
 246        //     render_dropdown(*settings_field, file, window, cx)
 247        // })
 248        .add_renderer::<settings::BaseKeymapContent>(|settings_field, file, _, window, cx| {
 249            render_dropdown(*settings_field, file, window, cx)
 250        })
 251        .add_renderer::<settings::MultiCursorModifier>(|settings_field, file, _, window, cx| {
 252            render_dropdown(*settings_field, file, window, cx)
 253        })
 254        .add_renderer::<settings::HideMouseMode>(|settings_field, file, _, window, cx| {
 255            render_dropdown(*settings_field, file, window, cx)
 256        })
 257        .add_renderer::<settings::CurrentLineHighlight>(|settings_field, file, _, window, cx| {
 258            render_dropdown(*settings_field, file, window, cx)
 259        })
 260        .add_renderer::<settings::ShowWhitespaceSetting>(|settings_field, file, _, window, cx| {
 261            render_dropdown(*settings_field, file, window, cx)
 262        })
 263        .add_renderer::<settings::SoftWrap>(|settings_field, file, _, window, cx| {
 264            render_dropdown(*settings_field, file, window, cx)
 265        })
 266        .add_renderer::<settings::ScrollBeyondLastLine>(|settings_field, file, _, window, cx| {
 267            render_dropdown(*settings_field, file, window, cx)
 268        })
 269        .add_renderer::<settings::SnippetSortOrder>(|settings_field, file, _, window, cx| {
 270            render_dropdown(*settings_field, file, window, cx)
 271        })
 272        .add_renderer::<settings::ClosePosition>(|settings_field, file, _, window, cx| {
 273            render_dropdown(*settings_field, file, window, cx)
 274        })
 275        .add_renderer::<settings::DockSide>(|settings_field, file, _, window, cx| {
 276            render_dropdown(*settings_field, file, window, cx)
 277        })
 278        .add_renderer::<settings::TerminalDockPosition>(|settings_field, file, _, window, cx| {
 279            render_dropdown(*settings_field, file, window, cx)
 280        })
 281        .add_renderer::<settings::GitGutterSetting>(|settings_field, file, _, window, cx| {
 282            render_dropdown(*settings_field, file, window, cx)
 283        })
 284        .add_renderer::<settings::GitHunkStyleSetting>(|settings_field, file, _, window, cx| {
 285            render_dropdown(*settings_field, file, window, cx)
 286        })
 287        .add_renderer::<settings::DiagnosticSeverityContent>(
 288            |settings_field, file, _, window, cx| {
 289                render_dropdown(*settings_field, file, window, cx)
 290            },
 291        )
 292        .add_renderer::<settings::SeedQuerySetting>(|settings_field, file, _, window, cx| {
 293            render_dropdown(*settings_field, file, window, cx)
 294        })
 295        .add_renderer::<settings::DoubleClickInMultibuffer>(
 296            |settings_field, file, _, window, cx| {
 297                render_dropdown(*settings_field, file, window, cx)
 298            },
 299        )
 300        .add_renderer::<settings::GoToDefinitionFallback>(|settings_field, file, _, window, cx| {
 301            render_dropdown(*settings_field, file, window, cx)
 302        })
 303        .add_renderer::<settings::ActivateOnClose>(|settings_field, file, _, window, cx| {
 304            render_dropdown(*settings_field, file, window, cx)
 305        })
 306        .add_renderer::<settings::ShowDiagnostics>(|settings_field, file, _, window, cx| {
 307            render_dropdown(*settings_field, file, window, cx)
 308        })
 309        .add_renderer::<settings::ShowCloseButton>(|settings_field, file, _, window, cx| {
 310            render_dropdown(*settings_field, file, window, cx)
 311        })
 312        .add_renderer::<settings::RewrapBehavior>(|settings_field, file, _, window, cx| {
 313            render_dropdown(*settings_field, file, window, cx)
 314        })
 315        .add_renderer::<settings::FormatOnSave>(|settings_field, file, _, window, cx| {
 316            render_dropdown(*settings_field, file, window, cx)
 317        })
 318        .add_renderer::<settings::IndentGuideColoring>(|settings_field, file, _, window, cx| {
 319            render_dropdown(*settings_field, file, window, cx)
 320        })
 321        .add_renderer::<settings::IndentGuideBackgroundColoring>(
 322            |settings_field, file, _, window, cx| {
 323                render_dropdown(*settings_field, file, window, cx)
 324            },
 325        )
 326        .add_renderer::<settings::WordsCompletionMode>(|settings_field, file, _, window, cx| {
 327            render_dropdown(*settings_field, file, window, cx)
 328        })
 329        .add_renderer::<settings::LspInsertMode>(|settings_field, file, _, window, cx| {
 330            render_dropdown(*settings_field, file, window, cx)
 331        })
 332        .add_renderer::<f32>(|settings_field, file, _, window, cx| {
 333            render_numeric_stepper(*settings_field, file, window, cx)
 334        })
 335        .add_renderer::<u32>(|settings_field, file, _, window, cx| {
 336            render_numeric_stepper(*settings_field, file, window, cx)
 337        })
 338        .add_renderer::<u64>(|settings_field, file, _, window, cx| {
 339            render_numeric_stepper(*settings_field, file, window, cx)
 340        })
 341        .add_renderer::<NonZeroU32>(|settings_field, file, _, window, cx| {
 342            render_numeric_stepper(*settings_field, file, window, cx)
 343        })
 344        .add_renderer::<CodeFade>(|settings_field, file, _, window, cx| {
 345            render_numeric_stepper(*settings_field, file, window, cx)
 346        })
 347        .add_renderer::<FontWeight>(|settings_field, file, _, window, cx| {
 348            render_numeric_stepper(*settings_field, file, window, cx)
 349        });
 350
 351    // todo(settings_ui): Figure out how we want to handle discriminant unions
 352    // .add_renderer::<ThemeSelection>(|settings_field, file, _, window, cx| {
 353    //     render_dropdown(*settings_field, file, window, cx)
 354    // });
 355}
 356
 357pub fn open_settings_editor(cx: &mut App) -> anyhow::Result<WindowHandle<SettingsWindow>> {
 358    cx.open_window(
 359        WindowOptions {
 360            titlebar: Some(TitlebarOptions {
 361                title: Some("Settings Window".into()),
 362                appears_transparent: true,
 363                traffic_light_position: Some(point(px(12.0), px(12.0))),
 364            }),
 365            focus: true,
 366            show: true,
 367            kind: gpui::WindowKind::Normal,
 368            window_background: cx.theme().window_background_appearance(),
 369            window_min_size: Some(size(px(800.), px(600.))), // 4:3 Aspect Ratio
 370            ..Default::default()
 371        },
 372        |window, cx| cx.new(|cx| SettingsWindow::new(window, cx)),
 373    )
 374}
 375
 376/// The current sub page path that is selected.
 377/// If this is empty the selected page is rendered,
 378/// otherwise the last sub page gets rendered.
 379///
 380/// Global so that `pick` and `pick_mut` callbacks can access it
 381/// and use it to dynamically render sub pages (e.g. for language settings)
 382static SUB_PAGE_STACK: LazyLock<RwLock<Vec<SubPage>>> = LazyLock::new(|| RwLock::new(Vec::new()));
 383
 384fn sub_page_stack() -> std::sync::RwLockReadGuard<'static, Vec<SubPage>> {
 385    SUB_PAGE_STACK
 386        .read()
 387        .expect("SUB_PAGE_STACK is never poisoned")
 388}
 389
 390fn sub_page_stack_mut() -> std::sync::RwLockWriteGuard<'static, Vec<SubPage>> {
 391    SUB_PAGE_STACK
 392        .write()
 393        .expect("SUB_PAGE_STACK is never poisoned")
 394}
 395
 396pub struct SettingsWindow {
 397    files: Vec<SettingsUiFile>,
 398    current_file: SettingsUiFile,
 399    pages: Vec<SettingsPage>,
 400    search_bar: Entity<Editor>,
 401    search_task: Option<Task<()>>,
 402    navbar_entry: usize, // Index into pages - should probably be (usize, Option<usize>) for section + page
 403    navbar_entries: Vec<NavBarEntry>,
 404    list_handle: UniformListScrollHandle,
 405    search_matches: Vec<Vec<bool>>,
 406    scroll_handle: ScrollHandle,
 407}
 408
 409struct SubPage {
 410    link: SubPageLink,
 411    section_header: &'static str,
 412}
 413
 414#[derive(PartialEq, Debug)]
 415struct NavBarEntry {
 416    title: &'static str,
 417    is_root: bool,
 418    expanded: bool,
 419    page_index: usize,
 420    item_index: Option<usize>,
 421}
 422
 423struct SettingsPage {
 424    title: &'static str,
 425    items: Vec<SettingsPageItem>,
 426}
 427
 428#[derive(PartialEq)]
 429enum SettingsPageItem {
 430    SectionHeader(&'static str),
 431    SettingItem(SettingItem),
 432    SubPageLink(SubPageLink),
 433}
 434
 435impl std::fmt::Debug for SettingsPageItem {
 436    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 437        match self {
 438            SettingsPageItem::SectionHeader(header) => write!(f, "SectionHeader({})", header),
 439            SettingsPageItem::SettingItem(setting_item) => {
 440                write!(f, "SettingItem({})", setting_item.title)
 441            }
 442            SettingsPageItem::SubPageLink(sub_page_link) => {
 443                write!(f, "SubPageLink({})", sub_page_link.title)
 444            }
 445        }
 446    }
 447}
 448
 449impl SettingsPageItem {
 450    fn render(
 451        &self,
 452        file: SettingsUiFile,
 453        section_header: &'static str,
 454        is_last: bool,
 455        window: &mut Window,
 456        cx: &mut Context<SettingsWindow>,
 457    ) -> AnyElement {
 458        match self {
 459            SettingsPageItem::SectionHeader(header) => v_flex()
 460                .w_full()
 461                .gap_1()
 462                .child(
 463                    Label::new(SharedString::new_static(header))
 464                        .size(LabelSize::XSmall)
 465                        .color(Color::Muted)
 466                        .buffer_font(cx),
 467                )
 468                .child(Divider::horizontal().color(ui::DividerColor::BorderVariant))
 469                .into_any_element(),
 470            SettingsPageItem::SettingItem(setting_item) => {
 471                let renderer = cx.default_global::<SettingFieldRenderer>().clone();
 472                let file_set_in =
 473                    SettingsUiFile::from_settings(setting_item.field.file_set_in(file.clone(), cx));
 474
 475                h_flex()
 476                    .id(setting_item.title)
 477                    .w_full()
 478                    .gap_2()
 479                    .flex_wrap()
 480                    .justify_between()
 481                    .map(|this| {
 482                        if is_last {
 483                            this.pb_6()
 484                        } else {
 485                            this.pb_4()
 486                                .border_b_1()
 487                                .border_color(cx.theme().colors().border_variant)
 488                        }
 489                    })
 490                    .child(
 491                        v_flex()
 492                            .max_w_1_2()
 493                            .flex_shrink()
 494                            .child(
 495                                h_flex()
 496                                    .w_full()
 497                                    .gap_1()
 498                                    .child(Label::new(SharedString::new_static(setting_item.title)))
 499                                    .when_some(
 500                                        file_set_in.filter(|file_set_in| file_set_in != &file),
 501                                        |this, file_set_in| {
 502                                            this.child(
 503                                                Label::new(format!(
 504                                                    "— set in {}",
 505                                                    file_set_in.name()
 506                                                ))
 507                                                .color(Color::Muted)
 508                                                .size(LabelSize::Small),
 509                                            )
 510                                        },
 511                                    ),
 512                            )
 513                            .child(
 514                                Label::new(SharedString::new_static(setting_item.description))
 515                                    .size(LabelSize::Small)
 516                                    .color(Color::Muted),
 517                            ),
 518                    )
 519                    .child(renderer.render(
 520                        setting_item.field.as_ref(),
 521                        file,
 522                        setting_item.metadata.as_deref(),
 523                        window,
 524                        cx,
 525                    ))
 526                    .into_any_element()
 527            }
 528            SettingsPageItem::SubPageLink(sub_page_link) => h_flex()
 529                .id(sub_page_link.title)
 530                .w_full()
 531                .gap_2()
 532                .flex_wrap()
 533                .justify_between()
 534                .when(!is_last, |this| {
 535                    this.pb_4()
 536                        .border_b_1()
 537                        .border_color(cx.theme().colors().border_variant)
 538                })
 539                .child(
 540                    v_flex()
 541                        .max_w_1_2()
 542                        .flex_shrink()
 543                        .child(Label::new(SharedString::new_static(sub_page_link.title))),
 544                )
 545                .child(
 546                    Button::new(("sub-page".into(), sub_page_link.title), "Configure")
 547                        .size(ButtonSize::Medium)
 548                        .icon(IconName::ChevronRight)
 549                        .icon_position(IconPosition::End)
 550                        .icon_color(Color::Muted)
 551                        .icon_size(IconSize::Small)
 552                        .style(ButtonStyle::Outlined),
 553                )
 554                .on_click({
 555                    let sub_page_link = sub_page_link.clone();
 556                    cx.listener(move |this, _, _, cx| {
 557                        this.push_sub_page(sub_page_link.clone(), section_header, cx)
 558                    })
 559                })
 560                .into_any_element(),
 561        }
 562    }
 563}
 564
 565struct SettingItem {
 566    title: &'static str,
 567    description: &'static str,
 568    field: Box<dyn AnySettingField>,
 569    metadata: Option<Box<SettingsFieldMetadata>>,
 570}
 571
 572impl PartialEq for SettingItem {
 573    fn eq(&self, other: &Self) -> bool {
 574        self.title == other.title
 575            && self.description == other.description
 576            && (match (&self.metadata, &other.metadata) {
 577                (None, None) => true,
 578                (Some(m1), Some(m2)) => m1.placeholder == m2.placeholder,
 579                _ => false,
 580            })
 581    }
 582}
 583
 584#[derive(Clone)]
 585struct SubPageLink {
 586    title: &'static str,
 587    render: Arc<
 588        dyn Fn(&mut SettingsWindow, &mut Window, &mut Context<SettingsWindow>) -> AnyElement
 589            + 'static
 590            + Send
 591            + Sync,
 592    >,
 593}
 594
 595impl PartialEq for SubPageLink {
 596    fn eq(&self, other: &Self) -> bool {
 597        self.title == other.title
 598    }
 599}
 600
 601#[allow(unused)]
 602#[derive(Clone, PartialEq)]
 603enum SettingsUiFile {
 604    User,                              // Uses all settings.
 605    Local((WorktreeId, Arc<RelPath>)), // Has a special name, and special set of settings
 606    Server(&'static str),              // Uses a special name, and the user settings
 607}
 608
 609impl SettingsUiFile {
 610    fn pages(&self) -> Vec<SettingsPage> {
 611        match self {
 612            SettingsUiFile::User => page_data::user_settings_data(),
 613            SettingsUiFile::Local(_) => page_data::project_settings_data(),
 614            SettingsUiFile::Server(_) => page_data::user_settings_data(),
 615        }
 616    }
 617
 618    fn name(&self) -> SharedString {
 619        match self {
 620            SettingsUiFile::User => SharedString::new_static("User"),
 621            // TODO is PathStyle::local() ever not appropriate?
 622            SettingsUiFile::Local((_, path)) => {
 623                format!("Local ({})", path.display(PathStyle::local())).into()
 624            }
 625            SettingsUiFile::Server(file) => format!("Server ({})", file).into(),
 626        }
 627    }
 628
 629    fn from_settings(file: settings::SettingsFile) -> Option<Self> {
 630        Some(match file {
 631            settings::SettingsFile::User => SettingsUiFile::User,
 632            settings::SettingsFile::Local(location) => SettingsUiFile::Local(location),
 633            settings::SettingsFile::Server => SettingsUiFile::Server("todo: server name"),
 634            settings::SettingsFile::Default => return None,
 635        })
 636    }
 637
 638    fn to_settings(&self) -> settings::SettingsFile {
 639        match self {
 640            SettingsUiFile::User => settings::SettingsFile::User,
 641            SettingsUiFile::Local(location) => settings::SettingsFile::Local(location.clone()),
 642            SettingsUiFile::Server(_) => settings::SettingsFile::Server,
 643        }
 644    }
 645}
 646
 647impl SettingsWindow {
 648    pub fn new(window: &mut Window, cx: &mut Context<Self>) -> Self {
 649        let font_family_cache = theme::FontFamilyCache::global(cx);
 650
 651        cx.spawn(async move |this, cx| {
 652            font_family_cache.prefetch(cx).await;
 653            this.update(cx, |_, cx| {
 654                cx.notify();
 655            })
 656        })
 657        .detach();
 658
 659        let current_file = SettingsUiFile::User;
 660        let search_bar = cx.new(|cx| {
 661            let mut editor = Editor::single_line(window, cx);
 662            editor.set_placeholder_text("Search settings…", window, cx);
 663            editor
 664        });
 665
 666        cx.subscribe(&search_bar, |this, _, event: &EditorEvent, cx| {
 667            let EditorEvent::Edited { transaction_id: _ } = event else {
 668                return;
 669            };
 670
 671            this.update_matches(cx);
 672        })
 673        .detach();
 674
 675        cx.observe_global_in::<SettingsStore>(window, move |this, _, cx| {
 676            this.fetch_files(cx);
 677            cx.notify();
 678        })
 679        .detach();
 680
 681        let mut this = Self {
 682            files: vec![],
 683            current_file: current_file,
 684            pages: vec![],
 685            navbar_entries: vec![],
 686            navbar_entry: 0,
 687            list_handle: UniformListScrollHandle::default(),
 688            search_bar,
 689            search_task: None,
 690            search_matches: vec![],
 691            scroll_handle: ScrollHandle::new(),
 692        };
 693
 694        this.fetch_files(cx);
 695        this.build_ui(cx);
 696
 697        this.search_bar.update(cx, |editor, cx| {
 698            editor.focus_handle(cx).focus(window);
 699        });
 700
 701        this
 702    }
 703
 704    fn toggle_navbar_entry(&mut self, ix: usize) {
 705        // We can only toggle root entries
 706        if !self.navbar_entries[ix].is_root {
 707            return;
 708        }
 709
 710        let toggle_page_index = self.page_index_from_navbar_index(ix);
 711        let selected_page_index = self.page_index_from_navbar_index(self.navbar_entry);
 712
 713        let expanded = &mut self.navbar_entries[ix].expanded;
 714        *expanded = !*expanded;
 715        // if currently selected page is a child of the parent page we are folding,
 716        // set the current page to the parent page
 717        if !*expanded && selected_page_index == toggle_page_index {
 718            self.navbar_entry = ix;
 719        }
 720    }
 721
 722    fn build_navbar(&mut self) {
 723        let mut navbar_entries = Vec::with_capacity(self.navbar_entries.len());
 724        for (page_index, page) in self.pages.iter().enumerate() {
 725            navbar_entries.push(NavBarEntry {
 726                title: page.title,
 727                is_root: true,
 728                expanded: false,
 729                page_index,
 730                item_index: None,
 731            });
 732
 733            for (item_index, item) in page.items.iter().enumerate() {
 734                let SettingsPageItem::SectionHeader(title) = item else {
 735                    continue;
 736                };
 737                navbar_entries.push(NavBarEntry {
 738                    title,
 739                    is_root: false,
 740                    expanded: false,
 741                    page_index,
 742                    item_index: Some(item_index),
 743                });
 744            }
 745        }
 746        self.navbar_entries = navbar_entries;
 747    }
 748
 749    fn visible_navbar_entries(&self) -> impl Iterator<Item = (usize, &NavBarEntry)> {
 750        let mut index = 0;
 751        let entries = &self.navbar_entries;
 752        let search_matches = &self.search_matches;
 753        std::iter::from_fn(move || {
 754            while index < entries.len() {
 755                let entry = &entries[index];
 756                let included_in_search = if let Some(item_index) = entry.item_index {
 757                    search_matches[entry.page_index][item_index]
 758                } else {
 759                    search_matches[entry.page_index].iter().any(|b| *b)
 760                        || search_matches[entry.page_index].is_empty()
 761                };
 762                if included_in_search {
 763                    break;
 764                }
 765                index += 1;
 766            }
 767            if index >= self.navbar_entries.len() {
 768                return None;
 769            }
 770            let entry = &entries[index];
 771            let entry_index = index;
 772
 773            index += 1;
 774            if entry.is_root && !entry.expanded {
 775                while index < entries.len() {
 776                    if entries[index].is_root {
 777                        break;
 778                    }
 779                    index += 1;
 780                }
 781            }
 782
 783            return Some((entry_index, entry));
 784        })
 785    }
 786
 787    fn update_matches(&mut self, cx: &mut Context<SettingsWindow>) {
 788        self.search_task.take();
 789        let query = self.search_bar.read(cx).text(cx);
 790        if query.is_empty() {
 791            for page in &mut self.search_matches {
 792                page.fill(true);
 793            }
 794            cx.notify();
 795            return;
 796        }
 797
 798        struct ItemKey {
 799            page_index: usize,
 800            header_index: usize,
 801            item_index: usize,
 802        }
 803        let mut key_lut: Vec<ItemKey> = vec![];
 804        let mut candidates = Vec::default();
 805
 806        for (page_index, page) in self.pages.iter().enumerate() {
 807            let mut header_index = 0;
 808            for (item_index, item) in page.items.iter().enumerate() {
 809                let key_index = key_lut.len();
 810                match item {
 811                    SettingsPageItem::SettingItem(item) => {
 812                        candidates.push(StringMatchCandidate::new(key_index, item.title));
 813                        candidates.push(StringMatchCandidate::new(key_index, item.description));
 814                    }
 815                    SettingsPageItem::SectionHeader(header) => {
 816                        candidates.push(StringMatchCandidate::new(key_index, header));
 817                        header_index = item_index;
 818                    }
 819                    SettingsPageItem::SubPageLink(sub_page_link) => {
 820                        candidates.push(StringMatchCandidate::new(key_index, sub_page_link.title));
 821                    }
 822                }
 823                key_lut.push(ItemKey {
 824                    page_index,
 825                    header_index,
 826                    item_index,
 827                });
 828            }
 829        }
 830        let atomic_bool = AtomicBool::new(false);
 831
 832        self.search_task = Some(cx.spawn(async move |this, cx| {
 833            let string_matches = fuzzy::match_strings(
 834                candidates.as_slice(),
 835                &query,
 836                false,
 837                true,
 838                candidates.len(),
 839                &atomic_bool,
 840                cx.background_executor().clone(),
 841            );
 842            let string_matches = string_matches.await;
 843
 844            this.update(cx, |this, cx| {
 845                for page in &mut this.search_matches {
 846                    page.fill(false);
 847                }
 848
 849                for string_match in string_matches {
 850                    let ItemKey {
 851                        page_index,
 852                        header_index,
 853                        item_index,
 854                    } = key_lut[string_match.candidate_id];
 855                    let page = &mut this.search_matches[page_index];
 856                    page[header_index] = true;
 857                    page[item_index] = true;
 858                }
 859                let first_navbar_entry_index = this
 860                    .visible_navbar_entries()
 861                    .next()
 862                    .map(|e| e.0)
 863                    .unwrap_or(0);
 864                this.navbar_entry = first_navbar_entry_index;
 865                cx.notify();
 866            })
 867            .ok();
 868        }));
 869    }
 870
 871    fn build_search_matches(&mut self) {
 872        self.search_matches = self
 873            .pages
 874            .iter()
 875            .map(|page| vec![true; page.items.len()])
 876            .collect::<Vec<_>>();
 877    }
 878
 879    fn build_ui(&mut self, cx: &mut Context<SettingsWindow>) {
 880        self.pages = self.current_file.pages();
 881        self.build_search_matches();
 882        self.build_navbar();
 883
 884        if !self.search_bar.read(cx).is_empty(cx) {
 885            self.update_matches(cx);
 886        }
 887
 888        cx.notify();
 889    }
 890
 891    fn fetch_files(&mut self, cx: &mut Context<SettingsWindow>) {
 892        let settings_store = cx.global::<SettingsStore>();
 893        let mut ui_files = vec![];
 894        let all_files = settings_store.get_all_files();
 895        for file in all_files {
 896            let Some(settings_ui_file) = SettingsUiFile::from_settings(file) else {
 897                continue;
 898            };
 899            ui_files.push(settings_ui_file);
 900        }
 901        ui_files.reverse();
 902        self.files = ui_files;
 903        if !self.files.contains(&self.current_file) {
 904            self.change_file(0, cx);
 905        }
 906    }
 907
 908    fn change_file(&mut self, ix: usize, cx: &mut Context<SettingsWindow>) {
 909        if ix >= self.files.len() {
 910            self.current_file = SettingsUiFile::User;
 911            return;
 912        }
 913        if self.files[ix] == self.current_file {
 914            return;
 915        }
 916        self.current_file = self.files[ix].clone();
 917        self.navbar_entry = 0;
 918        self.build_ui(cx);
 919    }
 920
 921    fn render_files(&self, _window: &mut Window, cx: &mut Context<SettingsWindow>) -> Div {
 922        h_flex()
 923            .gap_1()
 924            .children(self.files.iter().enumerate().map(|(ix, file)| {
 925                Button::new(ix, file.name())
 926                    .toggle_state(file == &self.current_file)
 927                    .selected_style(ButtonStyle::Tinted(ui::TintColor::Accent))
 928                    .on_click(cx.listener(move |this, _, _window, cx| this.change_file(ix, cx)))
 929            }))
 930    }
 931
 932    fn render_search(&self, _window: &mut Window, cx: &mut App) -> Div {
 933        h_flex()
 934            .py_1()
 935            .px_1p5()
 936            .gap_1p5()
 937            .rounded_sm()
 938            .bg(cx.theme().colors().editor_background)
 939            .border_1()
 940            .border_color(cx.theme().colors().border)
 941            .child(Icon::new(IconName::MagnifyingGlass).color(Color::Muted))
 942            .child(self.search_bar.clone())
 943    }
 944
 945    fn render_nav(
 946        &self,
 947        window: &mut Window,
 948        cx: &mut Context<SettingsWindow>,
 949    ) -> impl IntoElement {
 950        let visible_entries: Vec<_> = self.visible_navbar_entries().collect();
 951        let visible_count = visible_entries.len();
 952
 953        v_flex()
 954            .w_64()
 955            .p_2p5()
 956            .pt_10()
 957            .gap_3()
 958            .flex_none()
 959            .border_r_1()
 960            .border_color(cx.theme().colors().border)
 961            .bg(cx.theme().colors().panel_background)
 962            .child(self.render_search(window, cx))
 963            .child(
 964                v_flex()
 965                    .size_full()
 966                    .child(
 967                        uniform_list(
 968                            "settings-ui-nav-bar",
 969                            visible_count,
 970                            cx.processor(move |this, range: Range<usize>, _, cx| {
 971                                let entries: Vec<_> = this.visible_navbar_entries().collect();
 972                                range
 973                                    .filter_map(|ix| entries.get(ix).copied())
 974                                    .map(|(ix, entry)| {
 975                                        TreeViewItem::new(
 976                                            ("settings-ui-navbar-entry", ix),
 977                                            entry.title,
 978                                        )
 979                                        .root_item(entry.is_root)
 980                                        .toggle_state(this.is_navbar_entry_selected(ix))
 981                                        .when(entry.is_root, |item| {
 982                                            item.expanded(entry.expanded).on_toggle(cx.listener(
 983                                                move |this, _, _, cx| {
 984                                                    this.toggle_navbar_entry(ix);
 985                                                    cx.notify();
 986                                                },
 987                                            ))
 988                                        })
 989                                        .on_click(cx.listener(move |this, _, _, cx| {
 990                                            this.navbar_entry = ix;
 991                                            cx.notify();
 992                                        }))
 993                                        .into_any_element()
 994                                    })
 995                                    .collect()
 996                            }),
 997                        )
 998                        .track_scroll(self.list_handle.clone())
 999                        .flex_grow(),
1000                    )
1001                    .vertical_scrollbar_for(self.list_handle.clone(), window, cx),
1002            )
1003    }
1004
1005    fn page_items(&self) -> impl Iterator<Item = &SettingsPageItem> {
1006        let page_idx = self.current_page_index();
1007
1008        self.current_page()
1009            .items
1010            .iter()
1011            .enumerate()
1012            .filter_map(move |(item_index, item)| {
1013                self.search_matches[page_idx][item_index].then_some(item)
1014            })
1015    }
1016
1017    fn render_sub_page_breadcrumbs(&self) -> impl IntoElement {
1018        let mut items = vec![];
1019        items.push(self.current_page().title);
1020        items.extend(
1021            sub_page_stack()
1022                .iter()
1023                .flat_map(|page| [page.section_header, page.link.title]),
1024        );
1025
1026        let last = items.pop().unwrap();
1027        h_flex()
1028            .gap_1()
1029            .children(
1030                items
1031                    .into_iter()
1032                    .flat_map(|item| [item, "/"])
1033                    .map(|item| Label::new(item).color(Color::Muted)),
1034            )
1035            .child(Label::new(last))
1036    }
1037
1038    fn render_page_items<'a, Items: Iterator<Item = &'a SettingsPageItem>>(
1039        &self,
1040        items: Items,
1041        window: &mut Window,
1042        cx: &mut Context<SettingsWindow>,
1043    ) -> impl IntoElement {
1044        let mut page_content = v_flex()
1045            .id("settings-ui-page")
1046            .size_full()
1047            .gap_4()
1048            .overflow_y_scroll()
1049            .track_scroll(&self.scroll_handle);
1050
1051        let items: Vec<_> = items.collect();
1052        let items_len = items.len();
1053        let mut section_header = None;
1054
1055        let has_active_search = !self.search_bar.read(cx).is_empty(cx);
1056        let has_no_results = items_len == 0 && has_active_search;
1057
1058        if has_no_results {
1059            let search_query = self.search_bar.read(cx).text(cx);
1060            page_content = page_content.child(
1061                v_flex()
1062                    .size_full()
1063                    .items_center()
1064                    .justify_center()
1065                    .gap_1()
1066                    .child(div().child("No Results"))
1067                    .child(
1068                        div()
1069                            .text_sm()
1070                            .text_color(cx.theme().colors().text_muted)
1071                            .child(format!("No settings match \"{}\"", search_query)),
1072                    ),
1073            )
1074        } else {
1075            let last_non_header_index = items
1076                .iter()
1077                .enumerate()
1078                .rev()
1079                .find(|(_, item)| !matches!(item, SettingsPageItem::SectionHeader(_)))
1080                .map(|(index, _)| index);
1081
1082            page_content =
1083                page_content.children(items.clone().into_iter().enumerate().map(|(index, item)| {
1084                    let no_bottom_border = items
1085                        .get(index + 1)
1086                        .map(|next_item| matches!(next_item, SettingsPageItem::SectionHeader(_)))
1087                        .unwrap_or(false);
1088                    let is_last = Some(index) == last_non_header_index;
1089
1090                    if let SettingsPageItem::SectionHeader(header) = item {
1091                        section_header = Some(*header);
1092                    }
1093                    item.render(
1094                        self.current_file.clone(),
1095                        section_header.expect("All items rendered after a section header"),
1096                        no_bottom_border || is_last,
1097                        window,
1098                        cx,
1099                    )
1100                }))
1101        }
1102        page_content
1103    }
1104
1105    fn render_page(
1106        &mut self,
1107        window: &mut Window,
1108        cx: &mut Context<SettingsWindow>,
1109    ) -> impl IntoElement {
1110        let mut page = v_flex()
1111            .w_full()
1112            .pt_4()
1113            .pb_6()
1114            .px_6()
1115            .gap_4()
1116            .bg(cx.theme().colors().editor_background)
1117            .vertical_scrollbar_for(self.scroll_handle.clone(), window, cx);
1118
1119        let page_content;
1120
1121        if sub_page_stack().len() == 0 {
1122            page = page.child(self.render_files(window, cx));
1123            page_content = self
1124                .render_page_items(self.page_items(), window, cx)
1125                .into_any_element();
1126        } else {
1127            page = page.child(
1128                h_flex()
1129                    .ml_neg_1p5()
1130                    .gap_1()
1131                    .child(
1132                        IconButton::new("back-btn", IconName::ArrowLeft)
1133                            .icon_size(IconSize::Small)
1134                            .shape(IconButtonShape::Square)
1135                            .on_click(cx.listener(|this, _, _, cx| {
1136                                this.pop_sub_page(cx);
1137                            })),
1138                    )
1139                    .child(self.render_sub_page_breadcrumbs()),
1140            );
1141
1142            let active_page_render_fn = sub_page_stack().last().unwrap().link.render.clone();
1143            page_content = (active_page_render_fn)(self, window, cx);
1144        }
1145
1146        return page.child(page_content);
1147    }
1148
1149    fn current_page_index(&self) -> usize {
1150        self.page_index_from_navbar_index(self.navbar_entry)
1151    }
1152
1153    fn current_page(&self) -> &SettingsPage {
1154        &self.pages[self.current_page_index()]
1155    }
1156
1157    fn page_index_from_navbar_index(&self, index: usize) -> usize {
1158        if self.navbar_entries.is_empty() {
1159            return 0;
1160        }
1161
1162        self.navbar_entries[index].page_index
1163    }
1164
1165    fn is_navbar_entry_selected(&self, ix: usize) -> bool {
1166        ix == self.navbar_entry
1167    }
1168
1169    fn push_sub_page(
1170        &mut self,
1171        sub_page_link: SubPageLink,
1172        section_header: &'static str,
1173        cx: &mut Context<SettingsWindow>,
1174    ) {
1175        sub_page_stack_mut().push(SubPage {
1176            link: sub_page_link,
1177            section_header,
1178        });
1179        cx.notify();
1180    }
1181
1182    fn pop_sub_page(&mut self, cx: &mut Context<SettingsWindow>) {
1183        sub_page_stack_mut().pop();
1184        cx.notify();
1185    }
1186}
1187
1188impl Render for SettingsWindow {
1189    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1190        let ui_font = theme::setup_ui_font(window, cx);
1191
1192        div()
1193            .key_context("SettingsWindow")
1194            .flex()
1195            .flex_row()
1196            .size_full()
1197            .font(ui_font)
1198            .bg(cx.theme().colors().background)
1199            .text_color(cx.theme().colors().text)
1200            .child(self.render_nav(window, cx))
1201            .child(self.render_page(window, cx))
1202    }
1203}
1204
1205fn update_settings_file(
1206    file: SettingsUiFile,
1207    cx: &mut App,
1208    update: impl 'static + Send + FnOnce(&mut SettingsContent, &App),
1209) -> Result<()> {
1210    match file {
1211        SettingsUiFile::Local((worktree_id, rel_path)) => {
1212            fn all_projects(cx: &App) -> impl Iterator<Item = Entity<project::Project>> {
1213                workspace::AppState::global(cx)
1214                    .upgrade()
1215                    .map(|app_state| {
1216                        app_state
1217                            .workspace_store
1218                            .read(cx)
1219                            .workspaces()
1220                            .iter()
1221                            .filter_map(|workspace| {
1222                                Some(workspace.read(cx).ok()?.project().clone())
1223                            })
1224                    })
1225                    .into_iter()
1226                    .flatten()
1227            }
1228            let rel_path = rel_path.join(paths::local_settings_file_relative_path());
1229            let project = all_projects(cx).find(|project| {
1230                project.read_with(cx, |project, cx| {
1231                    project.contains_local_settings_file(worktree_id, &rel_path, cx)
1232                })
1233            });
1234            let Some(project) = project else {
1235                anyhow::bail!(
1236                    "Could not find worktree containing settings file: {}",
1237                    &rel_path.display(PathStyle::local())
1238                );
1239            };
1240            project.update(cx, |project, cx| {
1241                project.update_local_settings_file(worktree_id, rel_path, cx, update);
1242            });
1243            return Ok(());
1244        }
1245        SettingsUiFile::User => {
1246            // todo(settings_ui) error?
1247            SettingsStore::global(cx).update_settings_file(<dyn fs::Fs>::global(cx), update);
1248            Ok(())
1249        }
1250        SettingsUiFile::Server(_) => unimplemented!(),
1251    }
1252}
1253
1254fn render_text_field<T: From<String> + Into<String> + AsRef<str> + Clone>(
1255    field: SettingField<T>,
1256    file: SettingsUiFile,
1257    metadata: Option<&SettingsFieldMetadata>,
1258    cx: &mut App,
1259) -> AnyElement {
1260    let (_, initial_text) =
1261        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1262    let initial_text = Some(initial_text.clone()).filter(|s| !s.as_ref().is_empty());
1263
1264    SettingsEditor::new()
1265        .when_some(initial_text, |editor, text| {
1266            editor.with_initial_text(text.into())
1267        })
1268        .when_some(
1269            metadata.and_then(|metadata| metadata.placeholder),
1270            |editor, placeholder| editor.with_placeholder(placeholder),
1271        )
1272        .on_confirm({
1273            move |new_text, cx| {
1274                update_settings_file(file.clone(), cx, move |settings, _cx| {
1275                    *(field.pick_mut)(settings) = new_text.map(Into::into);
1276                })
1277                .log_err(); // todo(settings_ui) don't log err
1278            }
1279        })
1280        .into_any_element()
1281}
1282
1283fn render_toggle_button<B: Into<bool> + From<bool> + Copy>(
1284    field: SettingField<B>,
1285    file: SettingsUiFile,
1286    cx: &mut App,
1287) -> AnyElement {
1288    let (_, &value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1289
1290    let toggle_state = if value.into() {
1291        ToggleState::Selected
1292    } else {
1293        ToggleState::Unselected
1294    };
1295
1296    Switch::new("toggle_button", toggle_state)
1297        .color(ui::SwitchColor::Accent)
1298        .on_click({
1299            move |state, _window, cx| {
1300                let state = *state == ui::ToggleState::Selected;
1301                update_settings_file(file.clone(), cx, move |settings, _cx| {
1302                    *(field.pick_mut)(settings) = Some(state.into());
1303                })
1304                .log_err(); // todo(settings_ui) don't log err
1305            }
1306        })
1307        .color(SwitchColor::Accent)
1308        .into_any_element()
1309}
1310
1311fn render_font_picker(
1312    field: SettingField<settings::FontFamilyName>,
1313    file: SettingsUiFile,
1314    window: &mut Window,
1315    cx: &mut App,
1316) -> AnyElement {
1317    let current_value = SettingsStore::global(cx)
1318        .get_value_from_file(file.to_settings(), field.pick)
1319        .1
1320        .clone();
1321
1322    let font_picker = cx.new(|cx| {
1323        ui_input::font_picker(
1324            current_value.clone().into(),
1325            move |font_name, cx| {
1326                update_settings_file(file.clone(), cx, move |settings, _cx| {
1327                    *(field.pick_mut)(settings) = Some(font_name.into());
1328                })
1329                .log_err(); // todo(settings_ui) don't log err
1330            },
1331            window,
1332            cx,
1333        )
1334    });
1335
1336    div()
1337        .child(
1338            PopoverMenu::new("font-picker")
1339                .menu(move |_window, _cx| Some(font_picker.clone()))
1340                .trigger(
1341                    ButtonLike::new("font-family-button")
1342                        .style(ButtonStyle::Outlined)
1343                        .size(ButtonSize::Medium)
1344                        .full_width()
1345                        .child(
1346                            h_flex()
1347                                .w_full()
1348                                .justify_between()
1349                                .child(Label::new(current_value))
1350                                .child(
1351                                    Icon::new(IconName::ChevronUpDown)
1352                                        .color(Color::Muted)
1353                                        .size(IconSize::XSmall),
1354                                ),
1355                        ),
1356                )
1357                .full_width(true)
1358                .anchor(gpui::Corner::TopLeft)
1359                .offset(gpui::Point {
1360                    x: px(0.0),
1361                    y: px(4.0),
1362                })
1363                .with_handle(ui::PopoverMenuHandle::default()),
1364        )
1365        .into_any_element()
1366}
1367
1368fn render_numeric_stepper<T: NumericStepperType + Send + Sync>(
1369    field: SettingField<T>,
1370    file: SettingsUiFile,
1371    window: &mut Window,
1372    cx: &mut App,
1373) -> AnyElement {
1374    let (_, &value) = SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1375
1376    NumericStepper::new("numeric_stepper", value, window, cx)
1377        .on_change({
1378            move |value, _window, cx| {
1379                let value = *value;
1380                update_settings_file(file.clone(), cx, move |settings, _cx| {
1381                    *(field.pick_mut)(settings) = Some(value);
1382                })
1383                .log_err(); // todo(settings_ui) don't log err
1384            }
1385        })
1386        .style(NumericStepperStyle::Outlined)
1387        .into_any_element()
1388}
1389
1390fn render_dropdown<T>(
1391    field: SettingField<T>,
1392    file: SettingsUiFile,
1393    window: &mut Window,
1394    cx: &mut App,
1395) -> AnyElement
1396where
1397    T: strum::VariantArray + strum::VariantNames + Copy + PartialEq + Send + Sync + 'static,
1398{
1399    let variants = || -> &'static [T] { <T as strum::VariantArray>::VARIANTS };
1400    let labels = || -> &'static [&'static str] { <T as strum::VariantNames>::VARIANTS };
1401
1402    let (_, &current_value) =
1403        SettingsStore::global(cx).get_value_from_file(file.to_settings(), field.pick);
1404
1405    let current_value_label =
1406        labels()[variants().iter().position(|v| *v == current_value).unwrap()];
1407
1408    DropdownMenu::new(
1409        "dropdown",
1410        current_value_label,
1411        ContextMenu::build(window, cx, move |mut menu, _, _| {
1412            for (&value, &label) in std::iter::zip(variants(), labels()) {
1413                let file = file.clone();
1414                menu = menu.toggleable_entry(
1415                    label,
1416                    value == current_value,
1417                    IconPosition::Start,
1418                    None,
1419                    move |_, cx| {
1420                        if value == current_value {
1421                            return;
1422                        }
1423                        update_settings_file(file.clone(), cx, move |settings, _cx| {
1424                            *(field.pick_mut)(settings) = Some(value);
1425                        })
1426                        .log_err(); // todo(settings_ui) don't log err
1427                    },
1428                );
1429            }
1430            menu
1431        }),
1432    )
1433    .trigger_size(ButtonSize::Medium)
1434    .style(DropdownStyle::Outlined)
1435    .offset(gpui::Point {
1436        x: px(0.0),
1437        y: px(2.0),
1438    })
1439    .into_any_element()
1440}
1441
1442#[cfg(test)]
1443mod test {
1444
1445    use super::*;
1446
1447    impl SettingsWindow {
1448        fn navbar_entry(&self) -> usize {
1449            self.navbar_entry
1450        }
1451
1452        fn new_builder(window: &mut Window, cx: &mut Context<Self>) -> Self {
1453            let mut this = Self::new(window, cx);
1454            this.navbar_entries.clear();
1455            this.pages.clear();
1456            this
1457        }
1458
1459        fn build(mut self) -> Self {
1460            self.build_search_matches();
1461            self.build_navbar();
1462            self
1463        }
1464
1465        fn add_page(
1466            mut self,
1467            title: &'static str,
1468            build_page: impl Fn(SettingsPage) -> SettingsPage,
1469        ) -> Self {
1470            let page = SettingsPage {
1471                title,
1472                items: Vec::default(),
1473            };
1474
1475            self.pages.push(build_page(page));
1476            self
1477        }
1478
1479        fn search(&mut self, search_query: &str, window: &mut Window, cx: &mut Context<Self>) {
1480            self.search_task.take();
1481            self.search_bar.update(cx, |editor, cx| {
1482                editor.set_text(search_query, window, cx);
1483            });
1484            self.update_matches(cx);
1485        }
1486
1487        fn assert_search_results(&self, other: &Self) {
1488            // page index could be different because of filtered out pages
1489            #[derive(Debug, PartialEq)]
1490            struct EntryMinimal {
1491                is_root: bool,
1492                title: &'static str,
1493            }
1494            pretty_assertions::assert_eq!(
1495                other
1496                    .visible_navbar_entries()
1497                    .map(|(_, entry)| EntryMinimal {
1498                        is_root: entry.is_root,
1499                        title: entry.title,
1500                    })
1501                    .collect::<Vec<_>>(),
1502                self.visible_navbar_entries()
1503                    .map(|(_, entry)| EntryMinimal {
1504                        is_root: entry.is_root,
1505                        title: entry.title,
1506                    })
1507                    .collect::<Vec<_>>(),
1508            );
1509            assert_eq!(
1510                self.current_page().items.iter().collect::<Vec<_>>(),
1511                other.page_items().collect::<Vec<_>>()
1512            );
1513        }
1514    }
1515
1516    impl SettingsPage {
1517        fn item(mut self, item: SettingsPageItem) -> Self {
1518            self.items.push(item);
1519            self
1520        }
1521    }
1522
1523    impl SettingsPageItem {
1524        fn basic_item(title: &'static str, description: &'static str) -> Self {
1525            SettingsPageItem::SettingItem(SettingItem {
1526                title,
1527                description,
1528                field: Box::new(SettingField {
1529                    pick: |settings_content| &settings_content.auto_update,
1530                    pick_mut: |settings_content| &mut settings_content.auto_update,
1531                }),
1532                metadata: None,
1533            })
1534        }
1535    }
1536
1537    fn register_settings(cx: &mut App) {
1538        settings::init(cx);
1539        theme::init(theme::LoadThemes::JustBase, cx);
1540        workspace::init_settings(cx);
1541        project::Project::init_settings(cx);
1542        language::init(cx);
1543        editor::init(cx);
1544        menu::init();
1545    }
1546
1547    fn parse(input: &'static str, window: &mut Window, cx: &mut App) -> SettingsWindow {
1548        let mut pages: Vec<SettingsPage> = Vec::new();
1549        let mut expanded_pages = Vec::new();
1550        let mut selected_idx = None;
1551        let mut index = 0;
1552        let mut in_expanded_section = false;
1553
1554        for mut line in input
1555            .lines()
1556            .map(|line| line.trim())
1557            .filter(|line| !line.is_empty())
1558        {
1559            if let Some(pre) = line.strip_suffix('*') {
1560                assert!(selected_idx.is_none(), "Only one selected entry allowed");
1561                selected_idx = Some(index);
1562                line = pre;
1563            }
1564            let (kind, title) = line.split_once(" ").unwrap();
1565            assert_eq!(kind.len(), 1);
1566            let kind = kind.chars().next().unwrap();
1567            if kind == 'v' {
1568                let page_idx = pages.len();
1569                expanded_pages.push(page_idx);
1570                pages.push(SettingsPage {
1571                    title,
1572                    items: vec![],
1573                });
1574                index += 1;
1575                in_expanded_section = true;
1576            } else if kind == '>' {
1577                pages.push(SettingsPage {
1578                    title,
1579                    items: vec![],
1580                });
1581                index += 1;
1582                in_expanded_section = false;
1583            } else if kind == '-' {
1584                pages
1585                    .last_mut()
1586                    .unwrap()
1587                    .items
1588                    .push(SettingsPageItem::SectionHeader(title));
1589                if selected_idx == Some(index) && !in_expanded_section {
1590                    panic!("Items in unexpanded sections cannot be selected");
1591                }
1592                index += 1;
1593            } else {
1594                panic!(
1595                    "Entries must start with one of 'v', '>', or '-'\n line: {}",
1596                    line
1597                );
1598            }
1599        }
1600
1601        let mut settings_window = SettingsWindow {
1602            files: Vec::default(),
1603            current_file: crate::SettingsUiFile::User,
1604            pages,
1605            search_bar: cx.new(|cx| Editor::single_line(window, cx)),
1606            navbar_entry: selected_idx.expect("Must have a selected navbar entry"),
1607            navbar_entries: Vec::default(),
1608            list_handle: UniformListScrollHandle::default(),
1609            search_matches: vec![],
1610            search_task: None,
1611            scroll_handle: ScrollHandle::new(),
1612        };
1613
1614        settings_window.build_search_matches();
1615        settings_window.build_navbar();
1616        for expanded_page_index in expanded_pages {
1617            for entry in &mut settings_window.navbar_entries {
1618                if entry.page_index == expanded_page_index && entry.is_root {
1619                    entry.expanded = true;
1620                }
1621            }
1622        }
1623        settings_window
1624    }
1625
1626    #[track_caller]
1627    fn check_navbar_toggle(
1628        before: &'static str,
1629        toggle_page: &'static str,
1630        after: &'static str,
1631        window: &mut Window,
1632        cx: &mut App,
1633    ) {
1634        let mut settings_window = parse(before, window, cx);
1635        let toggle_page_idx = settings_window
1636            .pages
1637            .iter()
1638            .position(|page| page.title == toggle_page)
1639            .expect("page not found");
1640        let toggle_idx = settings_window
1641            .navbar_entries
1642            .iter()
1643            .position(|entry| entry.page_index == toggle_page_idx)
1644            .expect("page not found");
1645        settings_window.toggle_navbar_entry(toggle_idx);
1646
1647        let expected_settings_window = parse(after, window, cx);
1648
1649        pretty_assertions::assert_eq!(
1650            settings_window
1651                .visible_navbar_entries()
1652                .map(|(_, entry)| entry)
1653                .collect::<Vec<_>>(),
1654            expected_settings_window
1655                .visible_navbar_entries()
1656                .map(|(_, entry)| entry)
1657                .collect::<Vec<_>>(),
1658        );
1659        pretty_assertions::assert_eq!(
1660            settings_window.navbar_entries[settings_window.navbar_entry()],
1661            expected_settings_window.navbar_entries[expected_settings_window.navbar_entry()],
1662        );
1663    }
1664
1665    macro_rules! check_navbar_toggle {
1666        ($name:ident, before: $before:expr, toggle_page: $toggle_page:expr, after: $after:expr) => {
1667            #[gpui::test]
1668            fn $name(cx: &mut gpui::TestAppContext) {
1669                let window = cx.add_empty_window();
1670                window.update(|window, cx| {
1671                    register_settings(cx);
1672                    check_navbar_toggle($before, $toggle_page, $after, window, cx);
1673                });
1674            }
1675        };
1676    }
1677
1678    check_navbar_toggle!(
1679        navbar_basic_open,
1680        before: r"
1681        v General
1682        - General
1683        - Privacy*
1684        v Project
1685        - Project Settings
1686        ",
1687        toggle_page: "General",
1688        after: r"
1689        > General*
1690        v Project
1691        - Project Settings
1692        "
1693    );
1694
1695    check_navbar_toggle!(
1696        navbar_basic_close,
1697        before: r"
1698        > General*
1699        - General
1700        - Privacy
1701        v Project
1702        - Project Settings
1703        ",
1704        toggle_page: "General",
1705        after: r"
1706        v General*
1707        - General
1708        - Privacy
1709        v Project
1710        - Project Settings
1711        "
1712    );
1713
1714    check_navbar_toggle!(
1715        navbar_basic_second_root_entry_close,
1716        before: r"
1717        > General
1718        - General
1719        - Privacy
1720        v Project
1721        - Project Settings*
1722        ",
1723        toggle_page: "Project",
1724        after: r"
1725        > General
1726        > Project*
1727        "
1728    );
1729
1730    check_navbar_toggle!(
1731        navbar_toggle_subroot,
1732        before: r"
1733        v General Page
1734        - General
1735        - Privacy
1736        v Project
1737        - Worktree Settings Content*
1738        v AI
1739        - General
1740        > Appearance & Behavior
1741        ",
1742        toggle_page: "Project",
1743        after: r"
1744        v General Page
1745        - General
1746        - Privacy
1747        > Project*
1748        v AI
1749        - General
1750        > Appearance & Behavior
1751        "
1752    );
1753
1754    check_navbar_toggle!(
1755        navbar_toggle_close_propagates_selected_index,
1756        before: r"
1757        v General Page
1758        - General
1759        - Privacy
1760        v Project
1761        - Worktree Settings Content
1762        v AI
1763        - General*
1764        > Appearance & Behavior
1765        ",
1766        toggle_page: "General Page",
1767        after: r"
1768        > General Page
1769        v Project
1770        - Worktree Settings Content
1771        v AI
1772        - General*
1773        > Appearance & Behavior
1774        "
1775    );
1776
1777    check_navbar_toggle!(
1778        navbar_toggle_expand_propagates_selected_index,
1779        before: r"
1780        > General Page
1781        - General
1782        - Privacy
1783        v Project
1784        - Worktree Settings Content
1785        v AI
1786        - General*
1787        > Appearance & Behavior
1788        ",
1789        toggle_page: "General Page",
1790        after: r"
1791        v General Page
1792        - General
1793        - Privacy
1794        v Project
1795        - Worktree Settings Content
1796        v AI
1797        - General*
1798        > Appearance & Behavior
1799        "
1800    );
1801
1802    #[gpui::test]
1803    fn test_basic_search(cx: &mut gpui::TestAppContext) {
1804        let cx = cx.add_empty_window();
1805        let (actual, expected) = cx.update(|window, cx| {
1806            register_settings(cx);
1807
1808            let expected = cx.new(|cx| {
1809                SettingsWindow::new_builder(window, cx)
1810                    .add_page("General", |page| {
1811                        page.item(SettingsPageItem::SectionHeader("General settings"))
1812                            .item(SettingsPageItem::basic_item("test title", "General test"))
1813                    })
1814                    .build()
1815            });
1816
1817            let actual = cx.new(|cx| {
1818                SettingsWindow::new_builder(window, cx)
1819                    .add_page("General", |page| {
1820                        page.item(SettingsPageItem::SectionHeader("General settings"))
1821                            .item(SettingsPageItem::basic_item("test title", "General test"))
1822                    })
1823                    .add_page("Theme", |page| {
1824                        page.item(SettingsPageItem::SectionHeader("Theme settings"))
1825                    })
1826                    .build()
1827            });
1828
1829            actual.update(cx, |settings, cx| settings.search("gen", window, cx));
1830
1831            (actual, expected)
1832        });
1833
1834        cx.cx.run_until_parked();
1835
1836        cx.update(|_window, cx| {
1837            let expected = expected.read(cx);
1838            let actual = actual.read(cx);
1839            expected.assert_search_results(&actual);
1840        })
1841    }
1842
1843    #[gpui::test]
1844    fn test_search_render_page_with_filtered_out_navbar_entries(cx: &mut gpui::TestAppContext) {
1845        let cx = cx.add_empty_window();
1846        let (actual, expected) = cx.update(|window, cx| {
1847            register_settings(cx);
1848
1849            let actual = cx.new(|cx| {
1850                SettingsWindow::new_builder(window, cx)
1851                    .add_page("General", |page| {
1852                        page.item(SettingsPageItem::SectionHeader("General settings"))
1853                            .item(SettingsPageItem::basic_item(
1854                                "Confirm Quit",
1855                                "Whether to confirm before quitting Zed",
1856                            ))
1857                            .item(SettingsPageItem::basic_item(
1858                                "Auto Update",
1859                                "Automatically update Zed",
1860                            ))
1861                    })
1862                    .add_page("AI", |page| {
1863                        page.item(SettingsPageItem::basic_item(
1864                            "Disable AI",
1865                            "Whether to disable all AI features in Zed",
1866                        ))
1867                    })
1868                    .add_page("Appearance & Behavior", |page| {
1869                        page.item(SettingsPageItem::SectionHeader("Cursor")).item(
1870                            SettingsPageItem::basic_item(
1871                                "Cursor Shape",
1872                                "Cursor shape for the editor",
1873                            ),
1874                        )
1875                    })
1876                    .build()
1877            });
1878
1879            let expected = cx.new(|cx| {
1880                SettingsWindow::new_builder(window, cx)
1881                    .add_page("Appearance & Behavior", |page| {
1882                        page.item(SettingsPageItem::SectionHeader("Cursor")).item(
1883                            SettingsPageItem::basic_item(
1884                                "Cursor Shape",
1885                                "Cursor shape for the editor",
1886                            ),
1887                        )
1888                    })
1889                    .build()
1890            });
1891
1892            actual.update(cx, |settings, cx| settings.search("cursor", window, cx));
1893
1894            (actual, expected)
1895        });
1896
1897        cx.cx.run_until_parked();
1898
1899        cx.update(|_window, cx| {
1900            let expected = expected.read(cx);
1901            let actual = actual.read(cx);
1902            expected.assert_search_results(&actual);
1903        })
1904    }
1905}