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