buffer_search.rs

   1mod registrar;
   2
   3use crate::{
   4    history::SearchHistory,
   5    mode::{next_mode, SearchMode},
   6    search_bar::render_nav_button,
   7    ActivateRegexMode, ActivateTextMode, CycleMode, NextHistoryQuery, PreviousHistoryQuery,
   8    ReplaceAll, ReplaceNext, SearchOptions, SelectAllMatches, SelectNextMatch, SelectPrevMatch,
   9    ToggleCaseSensitive, ToggleReplace, ToggleWholeWord,
  10};
  11use collections::HashMap;
  12use editor::{
  13    actions::{Tab, TabPrev},
  14    Editor, EditorElement, EditorStyle,
  15};
  16use futures::channel::oneshot;
  17use gpui::{
  18    actions, div, impl_actions, Action, AppContext, ClickEvent, EventEmitter, FocusableView,
  19    FontStyle, FontWeight, Hsla, InteractiveElement as _, IntoElement, KeyContext,
  20    ParentElement as _, Render, Styled, Subscription, Task, TextStyle, View, ViewContext,
  21    VisualContext as _, WhiteSpace, WindowContext,
  22};
  23use project::search::SearchQuery;
  24use serde::Deserialize;
  25use settings::Settings;
  26use std::{any::Any, sync::Arc};
  27use theme::ThemeSettings;
  28
  29use ui::{h_flex, prelude::*, IconButton, IconName, ToggleButton, Tooltip};
  30use util::ResultExt;
  31use workspace::{
  32    item::ItemHandle,
  33    searchable::{Direction, SearchEvent, SearchableItemHandle, WeakSearchableItemHandle},
  34    ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView, Workspace,
  35};
  36
  37pub use registrar::DivRegistrar;
  38use registrar::{ForDeployed, ForDismissed, SearchActionsRegistrar, WithResults};
  39
  40const MIN_INPUT_WIDTH_REMS: f32 = 15.;
  41const MAX_INPUT_WIDTH_REMS: f32 = 25.;
  42
  43#[derive(PartialEq, Clone, Deserialize)]
  44pub struct Deploy {
  45    pub focus: bool,
  46}
  47
  48impl_actions!(buffer_search, [Deploy]);
  49
  50actions!(buffer_search, [Dismiss, FocusEditor]);
  51
  52pub enum Event {
  53    UpdateLocation,
  54}
  55
  56pub fn init(cx: &mut AppContext) {
  57    cx.observe_new_views(|workspace: &mut Workspace, _| BufferSearchBar::register(workspace))
  58        .detach();
  59}
  60
  61pub struct BufferSearchBar {
  62    query_editor: View<Editor>,
  63    query_editor_focused: bool,
  64    replacement_editor: View<Editor>,
  65    replacement_editor_focused: bool,
  66    active_searchable_item: Option<Box<dyn SearchableItemHandle>>,
  67    active_match_index: Option<usize>,
  68    active_searchable_item_subscription: Option<Subscription>,
  69    active_search: Option<Arc<SearchQuery>>,
  70    searchable_items_with_matches:
  71        HashMap<Box<dyn WeakSearchableItemHandle>, Vec<Box<dyn Any + Send>>>,
  72    pending_search: Option<Task<()>>,
  73    search_options: SearchOptions,
  74    default_options: SearchOptions,
  75    query_contains_error: bool,
  76    dismissed: bool,
  77    search_history: SearchHistory,
  78    current_mode: SearchMode,
  79    replace_enabled: bool,
  80}
  81
  82impl BufferSearchBar {
  83    fn render_text_input(
  84        &self,
  85        editor: &View<Editor>,
  86        color: Hsla,
  87        cx: &ViewContext<Self>,
  88    ) -> impl IntoElement {
  89        let settings = ThemeSettings::get_global(cx);
  90        let text_style = TextStyle {
  91            color: if editor.read(cx).read_only(cx) {
  92                cx.theme().colors().text_disabled
  93            } else {
  94                color
  95            },
  96            font_family: settings.ui_font.family.clone(),
  97            font_features: settings.ui_font.features,
  98            font_size: rems(0.875).into(),
  99            font_weight: FontWeight::NORMAL,
 100            font_style: FontStyle::Normal,
 101            line_height: relative(1.3).into(),
 102            background_color: None,
 103            underline: None,
 104            strikethrough: None,
 105            white_space: WhiteSpace::Normal,
 106        };
 107
 108        EditorElement::new(
 109            &editor,
 110            EditorStyle {
 111                background: cx.theme().colors().editor_background,
 112                local_player: cx.theme().players().local(),
 113                text: text_style,
 114                ..Default::default()
 115            },
 116        )
 117    }
 118}
 119
 120impl EventEmitter<Event> for BufferSearchBar {}
 121impl EventEmitter<workspace::ToolbarItemEvent> for BufferSearchBar {}
 122impl Render for BufferSearchBar {
 123    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
 124        if self.dismissed {
 125            return div();
 126        }
 127
 128        let supported_options = self.supported_options();
 129
 130        if self.query_editor.read(cx).placeholder_text().is_none() {
 131            let query_focus_handle = self.query_editor.focus_handle(cx);
 132            let up_keystrokes = cx
 133                .bindings_for_action_in(&PreviousHistoryQuery {}, &query_focus_handle)
 134                .into_iter()
 135                .next()
 136                .map(|binding| {
 137                    binding
 138                        .keystrokes()
 139                        .iter()
 140                        .map(|k| k.to_string())
 141                        .collect::<Vec<_>>()
 142                });
 143            let down_keystrokes = cx
 144                .bindings_for_action_in(&NextHistoryQuery {}, &query_focus_handle)
 145                .into_iter()
 146                .next()
 147                .map(|binding| {
 148                    binding
 149                        .keystrokes()
 150                        .iter()
 151                        .map(|k| k.to_string())
 152                        .collect::<Vec<_>>()
 153                });
 154
 155            let placeholder_text =
 156                up_keystrokes
 157                    .zip(down_keystrokes)
 158                    .map(|(up_keystrokes, down_keystrokes)| {
 159                        Arc::from(format!(
 160                            "Search ({}/{} for previous/next query)",
 161                            up_keystrokes.join(" "),
 162                            down_keystrokes.join(" ")
 163                        ))
 164                    });
 165
 166            if let Some(placeholder_text) = placeholder_text {
 167                self.query_editor.update(cx, |editor, cx| {
 168                    editor.set_placeholder_text(placeholder_text, cx);
 169                });
 170            }
 171        }
 172
 173        self.replacement_editor.update(cx, |editor, cx| {
 174            editor.set_placeholder_text("Replace with...", cx);
 175        });
 176
 177        let mut match_color = Color::Default;
 178        let match_text = self
 179            .active_searchable_item
 180            .as_ref()
 181            .and_then(|searchable_item| {
 182                if self.query(cx).is_empty() {
 183                    return None;
 184                }
 185                let matches = self
 186                    .searchable_items_with_matches
 187                    .get(&searchable_item.downgrade())?;
 188                if let Some(match_ix) = self.active_match_index {
 189                    Some(format!("{}/{}", match_ix + 1, matches.len()))
 190                } else {
 191                    match_color = Color::Error; // No matches found
 192                    None
 193                }
 194            })
 195            .unwrap_or_else(|| "No matches".to_string());
 196        let match_count = Label::new(match_text).color(match_color);
 197        let should_show_replace_input = self.replace_enabled && supported_options.replacement;
 198        let in_replace = self.replacement_editor.focus_handle(cx).is_focused(cx);
 199
 200        let mut key_context = KeyContext::default();
 201        key_context.add("BufferSearchBar");
 202        if in_replace {
 203            key_context.add("in_replace");
 204        }
 205        let editor_border = if self.query_contains_error {
 206            Color::Error.color(cx)
 207        } else {
 208            cx.theme().colors().border
 209        };
 210
 211        let search_line = h_flex()
 212            .gap_2()
 213            .child(
 214                h_flex()
 215                    .flex_1()
 216                    .px_2()
 217                    .py_1()
 218                    .gap_2()
 219                    .border_1()
 220                    .border_color(editor_border)
 221                    .min_w(rems(MIN_INPUT_WIDTH_REMS))
 222                    .max_w(rems(MAX_INPUT_WIDTH_REMS))
 223                    .rounded_lg()
 224                    .child(self.render_text_input(&self.query_editor, match_color.color(cx), cx))
 225                    .children(supported_options.case.then(|| {
 226                        self.render_search_option_button(
 227                            SearchOptions::CASE_SENSITIVE,
 228                            cx.listener(|this, _, cx| {
 229                                this.toggle_case_sensitive(&ToggleCaseSensitive, cx)
 230                            }),
 231                        )
 232                    }))
 233                    .children(supported_options.word.then(|| {
 234                        self.render_search_option_button(
 235                            SearchOptions::WHOLE_WORD,
 236                            cx.listener(|this, _, cx| this.toggle_whole_word(&ToggleWholeWord, cx)),
 237                        )
 238                    })),
 239            )
 240            .child(
 241                h_flex()
 242                    .gap_2()
 243                    .flex_none()
 244                    .child(
 245                        h_flex()
 246                            .child(
 247                                ToggleButton::new("search-mode-text", SearchMode::Text.label())
 248                                    .style(ButtonStyle::Filled)
 249                                    .size(ButtonSize::Large)
 250                                    .selected(self.current_mode == SearchMode::Text)
 251                                    .on_click(cx.listener(move |_, _event, cx| {
 252                                        cx.dispatch_action(SearchMode::Text.action())
 253                                    }))
 254                                    .tooltip(|cx| {
 255                                        Tooltip::for_action(
 256                                            SearchMode::Text.tooltip(),
 257                                            &*SearchMode::Text.action(),
 258                                            cx,
 259                                        )
 260                                    })
 261                                    .first(),
 262                            )
 263                            .child(
 264                                ToggleButton::new("search-mode-regex", SearchMode::Regex.label())
 265                                    .style(ButtonStyle::Filled)
 266                                    .size(ButtonSize::Large)
 267                                    .selected(self.current_mode == SearchMode::Regex)
 268                                    .on_click(cx.listener(move |_, _event, cx| {
 269                                        cx.dispatch_action(SearchMode::Regex.action())
 270                                    }))
 271                                    .tooltip(|cx| {
 272                                        Tooltip::for_action(
 273                                            SearchMode::Regex.tooltip(),
 274                                            &*SearchMode::Regex.action(),
 275                                            cx,
 276                                        )
 277                                    })
 278                                    .last(),
 279                            ),
 280                    )
 281                    .when(supported_options.replacement, |this| {
 282                        this.child(
 283                            IconButton::new(
 284                                "buffer-search-bar-toggle-replace-button",
 285                                IconName::Replace,
 286                            )
 287                            .style(ButtonStyle::Subtle)
 288                            .when(self.replace_enabled, |button| {
 289                                button.style(ButtonStyle::Filled)
 290                            })
 291                            .on_click(cx.listener(|this, _: &ClickEvent, cx| {
 292                                this.toggle_replace(&ToggleReplace, cx);
 293                            }))
 294                            .tooltip(|cx| {
 295                                Tooltip::for_action("Toggle replace", &ToggleReplace, cx)
 296                            }),
 297                        )
 298                    }),
 299            )
 300            .child(
 301                h_flex()
 302                    .gap_2()
 303                    .flex_none()
 304                    .child(
 305                        IconButton::new("select-all", ui::IconName::SelectAll)
 306                            .on_click(|_, cx| cx.dispatch_action(SelectAllMatches.boxed_clone()))
 307                            .tooltip(|cx| {
 308                                Tooltip::for_action("Select all matches", &SelectAllMatches, cx)
 309                            }),
 310                    )
 311                    .child(div().min_w(rems(6.)).child(match_count))
 312                    .child(render_nav_button(
 313                        ui::IconName::ChevronLeft,
 314                        self.active_match_index.is_some(),
 315                        "Select previous match",
 316                        &SelectPrevMatch,
 317                    ))
 318                    .child(render_nav_button(
 319                        ui::IconName::ChevronRight,
 320                        self.active_match_index.is_some(),
 321                        "Select next match",
 322                        &SelectNextMatch,
 323                    )),
 324            );
 325
 326        let replace_line = should_show_replace_input.then(|| {
 327            h_flex()
 328                .gap_2()
 329                .flex_1()
 330                .child(
 331                    h_flex()
 332                        .flex_1()
 333                        // We're giving this a fixed height to match the height of the search input,
 334                        // which has an icon inside that is increasing its height.
 335                        .h_8()
 336                        .px_2()
 337                        .py_1()
 338                        .border_1()
 339                        .border_color(cx.theme().colors().border)
 340                        .rounded_lg()
 341                        .min_w(rems(MIN_INPUT_WIDTH_REMS))
 342                        .max_w(rems(MAX_INPUT_WIDTH_REMS))
 343                        .child(self.render_text_input(
 344                            &self.replacement_editor,
 345                            cx.theme().colors().text,
 346                            cx,
 347                        )),
 348                )
 349                .child(
 350                    h_flex()
 351                        .flex_none()
 352                        .child(
 353                            IconButton::new("search-replace-next", ui::IconName::ReplaceNext)
 354                                .tooltip(move |cx| {
 355                                    Tooltip::for_action("Replace next", &ReplaceNext, cx)
 356                                })
 357                                .on_click(
 358                                    cx.listener(|this, _, cx| this.replace_next(&ReplaceNext, cx)),
 359                                ),
 360                        )
 361                        .child(
 362                            IconButton::new("search-replace-all", ui::IconName::ReplaceAll)
 363                                .tooltip(move |cx| {
 364                                    Tooltip::for_action("Replace all", &ReplaceAll, cx)
 365                                })
 366                                .on_click(
 367                                    cx.listener(|this, _, cx| this.replace_all(&ReplaceAll, cx)),
 368                                ),
 369                        ),
 370                )
 371        });
 372
 373        v_flex()
 374            .key_context(key_context)
 375            .capture_action(cx.listener(Self::tab))
 376            .capture_action(cx.listener(Self::tab_prev))
 377            .on_action(cx.listener(Self::previous_history_query))
 378            .on_action(cx.listener(Self::next_history_query))
 379            .on_action(cx.listener(Self::dismiss))
 380            .on_action(cx.listener(Self::select_next_match))
 381            .on_action(cx.listener(Self::select_prev_match))
 382            .on_action(cx.listener(|this, _: &ActivateRegexMode, cx| {
 383                this.activate_search_mode(SearchMode::Regex, cx);
 384            }))
 385            .on_action(cx.listener(|this, _: &ActivateTextMode, cx| {
 386                this.activate_search_mode(SearchMode::Text, cx);
 387            }))
 388            .when(self.supported_options().replacement, |this| {
 389                this.on_action(cx.listener(Self::toggle_replace))
 390                    .when(in_replace, |this| {
 391                        this.on_action(cx.listener(Self::replace_next))
 392                            .on_action(cx.listener(Self::replace_all))
 393                    })
 394            })
 395            .when(self.supported_options().case, |this| {
 396                this.on_action(cx.listener(Self::toggle_case_sensitive))
 397            })
 398            .when(self.supported_options().word, |this| {
 399                this.on_action(cx.listener(Self::toggle_whole_word))
 400            })
 401            .gap_2()
 402            .child(
 403                h_flex().child(search_line.w_full()).child(
 404                    IconButton::new(SharedString::from("Close"), IconName::Close)
 405                        .tooltip(move |cx| Tooltip::for_action("Close search bar", &Dismiss, cx))
 406                        .on_click(
 407                            cx.listener(|this, _: &ClickEvent, cx| this.dismiss(&Dismiss, cx)),
 408                        ),
 409                ),
 410            )
 411            .children(replace_line)
 412    }
 413}
 414
 415impl FocusableView for BufferSearchBar {
 416    fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
 417        self.query_editor.focus_handle(cx)
 418    }
 419}
 420
 421impl ToolbarItemView for BufferSearchBar {
 422    fn set_active_pane_item(
 423        &mut self,
 424        item: Option<&dyn ItemHandle>,
 425        cx: &mut ViewContext<Self>,
 426    ) -> ToolbarItemLocation {
 427        cx.notify();
 428        self.active_searchable_item_subscription.take();
 429        self.active_searchable_item.take();
 430
 431        self.pending_search.take();
 432
 433        if let Some(searchable_item_handle) =
 434            item.and_then(|item| item.to_searchable_item_handle(cx))
 435        {
 436            let this = cx.view().downgrade();
 437
 438            self.active_searchable_item_subscription =
 439                Some(searchable_item_handle.subscribe_to_search_events(
 440                    cx,
 441                    Box::new(move |search_event, cx| {
 442                        if let Some(this) = this.upgrade() {
 443                            this.update(cx, |this, cx| {
 444                                this.on_active_searchable_item_event(search_event, cx)
 445                            });
 446                        }
 447                    }),
 448                ));
 449
 450            self.active_searchable_item = Some(searchable_item_handle);
 451            let _ = self.update_matches(cx);
 452            if !self.dismissed {
 453                return ToolbarItemLocation::Secondary;
 454            }
 455        }
 456        ToolbarItemLocation::Hidden
 457    }
 458
 459    fn row_count(&self, _: &WindowContext<'_>) -> usize {
 460        1
 461    }
 462}
 463
 464impl BufferSearchBar {
 465    pub fn register(registrar: &mut impl SearchActionsRegistrar) {
 466        registrar.register_handler(ForDeployed(|this, action: &ToggleCaseSensitive, cx| {
 467            if this.supported_options().case {
 468                this.toggle_case_sensitive(action, cx);
 469            }
 470        }));
 471        registrar.register_handler(ForDeployed(|this, action: &ToggleWholeWord, cx| {
 472            if this.supported_options().word {
 473                this.toggle_whole_word(action, cx);
 474            }
 475        }));
 476        registrar.register_handler(ForDeployed(|this, action: &ToggleReplace, cx| {
 477            if this.supported_options().replacement {
 478                this.toggle_replace(action, cx);
 479            }
 480        }));
 481        registrar.register_handler(ForDeployed(|this, _: &ActivateRegexMode, cx| {
 482            if this.supported_options().regex {
 483                this.activate_search_mode(SearchMode::Regex, cx);
 484            }
 485        }));
 486        registrar.register_handler(ForDeployed(|this, _: &ActivateTextMode, cx| {
 487            this.activate_search_mode(SearchMode::Text, cx);
 488        }));
 489        registrar.register_handler(ForDeployed(|this, action: &CycleMode, cx| {
 490            if this.supported_options().regex {
 491                // If regex is not supported then search has just one mode (text) - in that case there's no point in supporting
 492                // cycling.
 493                this.cycle_mode(action, cx)
 494            }
 495        }));
 496        registrar.register_handler(WithResults(|this, action: &SelectNextMatch, cx| {
 497            this.select_next_match(action, cx);
 498        }));
 499        registrar.register_handler(WithResults(|this, action: &SelectPrevMatch, cx| {
 500            this.select_prev_match(action, cx);
 501        }));
 502        registrar.register_handler(WithResults(|this, action: &SelectAllMatches, cx| {
 503            this.select_all_matches(action, cx);
 504        }));
 505        registrar.register_handler(ForDeployed(|this, _: &editor::actions::Cancel, cx| {
 506            this.dismiss(&Dismiss, cx);
 507        }));
 508
 509        // register deploy buffer search for both search bar states, since we want to focus into the search bar
 510        // when the deploy action is triggered in the buffer.
 511        registrar.register_handler(ForDeployed(|this, deploy, cx| {
 512            this.deploy(deploy, cx);
 513        }));
 514        registrar.register_handler(ForDismissed(|this, deploy, cx| {
 515            this.deploy(deploy, cx);
 516        }))
 517    }
 518
 519    pub fn new(cx: &mut ViewContext<Self>) -> Self {
 520        let query_editor = cx.new_view(|cx| Editor::single_line(cx));
 521        cx.subscribe(&query_editor, Self::on_query_editor_event)
 522            .detach();
 523        let replacement_editor = cx.new_view(|cx| Editor::single_line(cx));
 524        cx.subscribe(&replacement_editor, Self::on_replacement_editor_event)
 525            .detach();
 526        Self {
 527            query_editor,
 528            query_editor_focused: false,
 529            replacement_editor,
 530            replacement_editor_focused: false,
 531            active_searchable_item: None,
 532            active_searchable_item_subscription: None,
 533            active_match_index: None,
 534            searchable_items_with_matches: Default::default(),
 535            default_options: SearchOptions::NONE,
 536            search_options: SearchOptions::NONE,
 537            pending_search: None,
 538            query_contains_error: false,
 539            dismissed: true,
 540            search_history: SearchHistory::default(),
 541            current_mode: SearchMode::default(),
 542            active_search: None,
 543            replace_enabled: false,
 544        }
 545    }
 546
 547    pub fn is_dismissed(&self) -> bool {
 548        self.dismissed
 549    }
 550
 551    pub fn dismiss(&mut self, _: &Dismiss, cx: &mut ViewContext<Self>) {
 552        self.dismissed = true;
 553        for searchable_item in self.searchable_items_with_matches.keys() {
 554            if let Some(searchable_item) =
 555                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 556            {
 557                searchable_item.clear_matches(cx);
 558            }
 559        }
 560        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 561            let handle = active_editor.focus_handle(cx);
 562            cx.focus(&handle);
 563        }
 564        cx.emit(Event::UpdateLocation);
 565        cx.emit(ToolbarItemEvent::ChangeLocation(
 566            ToolbarItemLocation::Hidden,
 567        ));
 568        cx.notify();
 569    }
 570
 571    pub fn deploy(&mut self, deploy: &Deploy, cx: &mut ViewContext<Self>) -> bool {
 572        if self.show(cx) {
 573            self.search_suggested(cx);
 574            if deploy.focus {
 575                self.select_query(cx);
 576                let handle = self.query_editor.focus_handle(cx);
 577                cx.focus(&handle);
 578            }
 579            return true;
 580        }
 581
 582        false
 583    }
 584
 585    pub fn toggle(&mut self, action: &Deploy, cx: &mut ViewContext<Self>) {
 586        if self.is_dismissed() {
 587            self.deploy(action, cx);
 588        } else {
 589            self.dismiss(&Dismiss, cx);
 590        }
 591    }
 592
 593    pub fn show(&mut self, cx: &mut ViewContext<Self>) -> bool {
 594        if self.active_searchable_item.is_none() {
 595            return false;
 596        }
 597        self.dismissed = false;
 598        cx.notify();
 599        cx.emit(Event::UpdateLocation);
 600        cx.emit(ToolbarItemEvent::ChangeLocation(
 601            ToolbarItemLocation::Secondary,
 602        ));
 603        true
 604    }
 605
 606    fn supported_options(&self) -> workspace::searchable::SearchOptions {
 607        self.active_searchable_item
 608            .as_deref()
 609            .map(SearchableItemHandle::supported_options)
 610            .unwrap_or_default()
 611    }
 612    pub fn search_suggested(&mut self, cx: &mut ViewContext<Self>) {
 613        let search = self
 614            .query_suggestion(cx)
 615            .map(|suggestion| self.search(&suggestion, Some(self.default_options), cx));
 616
 617        if let Some(search) = search {
 618            cx.spawn(|this, mut cx| async move {
 619                search.await?;
 620                this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 621            })
 622            .detach_and_log_err(cx);
 623        }
 624    }
 625
 626    pub fn activate_current_match(&mut self, cx: &mut ViewContext<Self>) {
 627        if let Some(match_ix) = self.active_match_index {
 628            if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 629                if let Some(matches) = self
 630                    .searchable_items_with_matches
 631                    .get(&active_searchable_item.downgrade())
 632                {
 633                    active_searchable_item.activate_match(match_ix, matches, cx)
 634                }
 635            }
 636        }
 637    }
 638
 639    pub fn select_query(&mut self, cx: &mut ViewContext<Self>) {
 640        self.query_editor.update(cx, |query_editor, cx| {
 641            query_editor.select_all(&Default::default(), cx);
 642        });
 643    }
 644
 645    pub fn query(&self, cx: &WindowContext) -> String {
 646        self.query_editor.read(cx).text(cx)
 647    }
 648    pub fn replacement(&self, cx: &WindowContext) -> String {
 649        self.replacement_editor.read(cx).text(cx)
 650    }
 651    pub fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> Option<String> {
 652        self.active_searchable_item
 653            .as_ref()
 654            .map(|searchable_item| searchable_item.query_suggestion(cx))
 655            .filter(|suggestion| !suggestion.is_empty())
 656    }
 657
 658    pub fn set_replacement(&mut self, replacement: Option<&str>, cx: &mut ViewContext<Self>) {
 659        if replacement.is_none() {
 660            self.replace_enabled = false;
 661            return;
 662        }
 663        self.replace_enabled = true;
 664        self.replacement_editor
 665            .update(cx, |replacement_editor, cx| {
 666                replacement_editor
 667                    .buffer()
 668                    .update(cx, |replacement_buffer, cx| {
 669                        let len = replacement_buffer.len(cx);
 670                        replacement_buffer.edit([(0..len, replacement.unwrap())], None, cx);
 671                    });
 672            });
 673    }
 674
 675    pub fn search(
 676        &mut self,
 677        query: &str,
 678        options: Option<SearchOptions>,
 679        cx: &mut ViewContext<Self>,
 680    ) -> oneshot::Receiver<()> {
 681        let options = options.unwrap_or(self.default_options);
 682        if query != self.query(cx) || self.search_options != options {
 683            self.query_editor.update(cx, |query_editor, cx| {
 684                query_editor.buffer().update(cx, |query_buffer, cx| {
 685                    let len = query_buffer.len(cx);
 686                    query_buffer.edit([(0..len, query)], None, cx);
 687                });
 688            });
 689            self.search_options = options;
 690            self.query_contains_error = false;
 691            self.clear_matches(cx);
 692            cx.notify();
 693        }
 694        self.update_matches(cx)
 695    }
 696
 697    fn render_search_option_button(
 698        &self,
 699        option: SearchOptions,
 700        action: impl Fn(&ClickEvent, &mut WindowContext) + 'static,
 701    ) -> impl IntoElement {
 702        let is_active = self.search_options.contains(option);
 703        option.as_button(is_active, action)
 704    }
 705    pub fn activate_search_mode(&mut self, mode: SearchMode, cx: &mut ViewContext<Self>) {
 706        assert_ne!(
 707            mode,
 708            SearchMode::Semantic,
 709            "Semantic search is not supported in buffer search"
 710        );
 711        if mode == self.current_mode {
 712            return;
 713        }
 714        self.current_mode = mode;
 715        let _ = self.update_matches(cx);
 716        cx.notify();
 717    }
 718
 719    pub fn focus_editor(&mut self, _: &FocusEditor, cx: &mut ViewContext<Self>) {
 720        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 721            let handle = active_editor.focus_handle(cx);
 722            cx.focus(&handle);
 723        }
 724    }
 725
 726    fn toggle_search_option(&mut self, search_option: SearchOptions, cx: &mut ViewContext<Self>) {
 727        self.search_options.toggle(search_option);
 728        self.default_options = self.search_options;
 729        let _ = self.update_matches(cx);
 730        cx.notify();
 731    }
 732
 733    pub fn set_search_options(
 734        &mut self,
 735        search_options: SearchOptions,
 736        cx: &mut ViewContext<Self>,
 737    ) {
 738        self.search_options = search_options;
 739        cx.notify();
 740    }
 741
 742    fn select_next_match(&mut self, _: &SelectNextMatch, cx: &mut ViewContext<Self>) {
 743        self.select_match(Direction::Next, 1, cx);
 744    }
 745
 746    fn select_prev_match(&mut self, _: &SelectPrevMatch, cx: &mut ViewContext<Self>) {
 747        self.select_match(Direction::Prev, 1, cx);
 748    }
 749
 750    fn select_all_matches(&mut self, _: &SelectAllMatches, cx: &mut ViewContext<Self>) {
 751        if !self.dismissed && self.active_match_index.is_some() {
 752            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 753                if let Some(matches) = self
 754                    .searchable_items_with_matches
 755                    .get(&searchable_item.downgrade())
 756                {
 757                    searchable_item.select_matches(matches, cx);
 758                    self.focus_editor(&FocusEditor, cx);
 759                }
 760            }
 761        }
 762    }
 763
 764    pub fn select_match(&mut self, direction: Direction, count: usize, cx: &mut ViewContext<Self>) {
 765        if let Some(index) = self.active_match_index {
 766            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 767                if let Some(matches) = self
 768                    .searchable_items_with_matches
 769                    .get(&searchable_item.downgrade())
 770                {
 771                    let new_match_index = searchable_item
 772                        .match_index_for_direction(matches, index, direction, count, cx);
 773
 774                    searchable_item.update_matches(matches, cx);
 775                    searchable_item.activate_match(new_match_index, matches, cx);
 776                }
 777            }
 778        }
 779    }
 780
 781    pub fn select_last_match(&mut self, cx: &mut ViewContext<Self>) {
 782        if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 783            if let Some(matches) = self
 784                .searchable_items_with_matches
 785                .get(&searchable_item.downgrade())
 786            {
 787                if matches.len() == 0 {
 788                    return;
 789                }
 790                let new_match_index = matches.len() - 1;
 791                searchable_item.update_matches(matches, cx);
 792                searchable_item.activate_match(new_match_index, matches, cx);
 793            }
 794        }
 795    }
 796
 797    fn on_query_editor_event(
 798        &mut self,
 799        _: View<Editor>,
 800        event: &editor::EditorEvent,
 801        cx: &mut ViewContext<Self>,
 802    ) {
 803        match event {
 804            editor::EditorEvent::Focused => self.query_editor_focused = true,
 805            editor::EditorEvent::Blurred => self.query_editor_focused = false,
 806            editor::EditorEvent::Edited => {
 807                self.query_contains_error = false;
 808                self.clear_matches(cx);
 809                let search = self.update_matches(cx);
 810                cx.spawn(|this, mut cx| async move {
 811                    search.await?;
 812                    this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 813                })
 814                .detach_and_log_err(cx);
 815            }
 816            _ => {}
 817        }
 818    }
 819
 820    fn on_replacement_editor_event(
 821        &mut self,
 822        _: View<Editor>,
 823        event: &editor::EditorEvent,
 824        _: &mut ViewContext<Self>,
 825    ) {
 826        match event {
 827            editor::EditorEvent::Focused => self.replacement_editor_focused = true,
 828            editor::EditorEvent::Blurred => self.replacement_editor_focused = false,
 829            _ => {}
 830        }
 831    }
 832
 833    fn on_active_searchable_item_event(&mut self, event: &SearchEvent, cx: &mut ViewContext<Self>) {
 834        match event {
 835            SearchEvent::MatchesInvalidated => {
 836                let _ = self.update_matches(cx);
 837            }
 838            SearchEvent::ActiveMatchChanged => self.update_match_index(cx),
 839        }
 840    }
 841
 842    fn toggle_case_sensitive(&mut self, _: &ToggleCaseSensitive, cx: &mut ViewContext<Self>) {
 843        self.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx)
 844    }
 845    fn toggle_whole_word(&mut self, _: &ToggleWholeWord, cx: &mut ViewContext<Self>) {
 846        self.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
 847    }
 848    fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
 849        let mut active_item_matches = None;
 850        for (searchable_item, matches) in self.searchable_items_with_matches.drain() {
 851            if let Some(searchable_item) =
 852                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 853            {
 854                if Some(&searchable_item) == self.active_searchable_item.as_ref() {
 855                    active_item_matches = Some((searchable_item.downgrade(), matches));
 856                } else {
 857                    searchable_item.clear_matches(cx);
 858                }
 859            }
 860        }
 861
 862        self.searchable_items_with_matches
 863            .extend(active_item_matches);
 864    }
 865
 866    fn update_matches(&mut self, cx: &mut ViewContext<Self>) -> oneshot::Receiver<()> {
 867        let (done_tx, done_rx) = oneshot::channel();
 868        let query = self.query(cx);
 869        self.pending_search.take();
 870
 871        if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 872            if query.is_empty() {
 873                self.active_match_index.take();
 874                active_searchable_item.clear_matches(cx);
 875                let _ = done_tx.send(());
 876                cx.notify();
 877            } else {
 878                let query: Arc<_> = if self.current_mode == SearchMode::Regex {
 879                    match SearchQuery::regex(
 880                        query,
 881                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 882                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 883                        false,
 884                        Vec::new(),
 885                        Vec::new(),
 886                    ) {
 887                        Ok(query) => query.with_replacement(self.replacement(cx)),
 888                        Err(_) => {
 889                            self.query_contains_error = true;
 890                            self.active_match_index = None;
 891                            cx.notify();
 892                            return done_rx;
 893                        }
 894                    }
 895                } else {
 896                    match SearchQuery::text(
 897                        query,
 898                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 899                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 900                        false,
 901                        Vec::new(),
 902                        Vec::new(),
 903                    ) {
 904                        Ok(query) => query.with_replacement(self.replacement(cx)),
 905                        Err(_) => {
 906                            self.query_contains_error = true;
 907                            self.active_match_index = None;
 908                            cx.notify();
 909                            return done_rx;
 910                        }
 911                    }
 912                }
 913                .into();
 914                self.active_search = Some(query.clone());
 915                let query_text = query.as_str().to_string();
 916
 917                let matches = active_searchable_item.find_matches(query, cx);
 918
 919                let active_searchable_item = active_searchable_item.downgrade();
 920                self.pending_search = Some(cx.spawn(|this, mut cx| async move {
 921                    let matches = matches.await;
 922
 923                    this.update(&mut cx, |this, cx| {
 924                        if let Some(active_searchable_item) =
 925                            WeakSearchableItemHandle::upgrade(active_searchable_item.as_ref(), cx)
 926                        {
 927                            this.searchable_items_with_matches
 928                                .insert(active_searchable_item.downgrade(), matches);
 929
 930                            this.update_match_index(cx);
 931                            this.search_history.add(query_text);
 932                            if !this.dismissed {
 933                                let matches = this
 934                                    .searchable_items_with_matches
 935                                    .get(&active_searchable_item.downgrade())
 936                                    .unwrap();
 937                                active_searchable_item.update_matches(matches, cx);
 938                                let _ = done_tx.send(());
 939                            }
 940                            cx.notify();
 941                        }
 942                    })
 943                    .log_err();
 944                }));
 945            }
 946        }
 947        done_rx
 948    }
 949
 950    fn update_match_index(&mut self, cx: &mut ViewContext<Self>) {
 951        let new_index = self
 952            .active_searchable_item
 953            .as_ref()
 954            .and_then(|searchable_item| {
 955                let matches = self
 956                    .searchable_items_with_matches
 957                    .get(&searchable_item.downgrade())?;
 958                searchable_item.active_match_index(matches, cx)
 959            });
 960        if new_index != self.active_match_index {
 961            self.active_match_index = new_index;
 962            cx.notify();
 963        }
 964    }
 965
 966    fn tab(&mut self, _: &Tab, cx: &mut ViewContext<Self>) {
 967        // Search -> Replace -> Editor
 968        let focus_handle = if self.replace_enabled && self.query_editor_focused {
 969            self.replacement_editor.focus_handle(cx)
 970        } else if let Some(item) = self.active_searchable_item.as_ref() {
 971            item.focus_handle(cx)
 972        } else {
 973            return;
 974        };
 975        cx.focus(&focus_handle);
 976        cx.stop_propagation();
 977    }
 978
 979    fn tab_prev(&mut self, _: &TabPrev, cx: &mut ViewContext<Self>) {
 980        // Search -> Replace -> Search
 981        let focus_handle = if self.replace_enabled && self.query_editor_focused {
 982            self.replacement_editor.focus_handle(cx)
 983        } else if self.replacement_editor_focused {
 984            self.query_editor.focus_handle(cx)
 985        } else {
 986            return;
 987        };
 988        cx.focus(&focus_handle);
 989        cx.stop_propagation();
 990    }
 991
 992    fn next_history_query(&mut self, _: &NextHistoryQuery, cx: &mut ViewContext<Self>) {
 993        if let Some(new_query) = self.search_history.next().map(str::to_string) {
 994            let _ = self.search(&new_query, Some(self.search_options), cx);
 995        } else {
 996            self.search_history.reset_selection();
 997            let _ = self.search("", Some(self.search_options), cx);
 998        }
 999    }
1000
1001    fn previous_history_query(&mut self, _: &PreviousHistoryQuery, cx: &mut ViewContext<Self>) {
1002        if self.query(cx).is_empty() {
1003            if let Some(new_query) = self.search_history.current().map(str::to_string) {
1004                let _ = self.search(&new_query, Some(self.search_options), cx);
1005                return;
1006            }
1007        }
1008
1009        if let Some(new_query) = self.search_history.previous().map(str::to_string) {
1010            let _ = self.search(&new_query, Some(self.search_options), cx);
1011        }
1012    }
1013    fn cycle_mode(&mut self, _: &CycleMode, cx: &mut ViewContext<Self>) {
1014        self.activate_search_mode(next_mode(&self.current_mode, false), cx);
1015    }
1016    fn toggle_replace(&mut self, _: &ToggleReplace, cx: &mut ViewContext<Self>) {
1017        if let Some(_) = &self.active_searchable_item {
1018            self.replace_enabled = !self.replace_enabled;
1019            let handle = if self.replace_enabled {
1020                self.replacement_editor.focus_handle(cx)
1021            } else {
1022                self.query_editor.focus_handle(cx)
1023            };
1024            cx.focus(&handle);
1025            cx.notify();
1026        }
1027    }
1028    fn replace_next(&mut self, _: &ReplaceNext, cx: &mut ViewContext<Self>) {
1029        let mut should_propagate = true;
1030        if !self.dismissed && self.active_search.is_some() {
1031            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
1032                if let Some(query) = self.active_search.as_ref() {
1033                    if let Some(matches) = self
1034                        .searchable_items_with_matches
1035                        .get(&searchable_item.downgrade())
1036                    {
1037                        if let Some(active_index) = self.active_match_index {
1038                            let query = query
1039                                .as_ref()
1040                                .clone()
1041                                .with_replacement(self.replacement(cx));
1042                            searchable_item.replace(&matches[active_index], &query, cx);
1043                            self.select_next_match(&SelectNextMatch, cx);
1044                        }
1045                        should_propagate = false;
1046                        self.focus_editor(&FocusEditor, cx);
1047                    }
1048                }
1049            }
1050        }
1051        if !should_propagate {
1052            cx.stop_propagation();
1053        }
1054    }
1055    pub fn replace_all(&mut self, _: &ReplaceAll, cx: &mut ViewContext<Self>) {
1056        if !self.dismissed && self.active_search.is_some() {
1057            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
1058                if let Some(query) = self.active_search.as_ref() {
1059                    if let Some(matches) = self
1060                        .searchable_items_with_matches
1061                        .get(&searchable_item.downgrade())
1062                    {
1063                        let query = query
1064                            .as_ref()
1065                            .clone()
1066                            .with_replacement(self.replacement(cx));
1067                        for m in matches {
1068                            searchable_item.replace(m, &query, cx);
1069                        }
1070                    }
1071                }
1072            }
1073        }
1074    }
1075}
1076
1077#[cfg(test)]
1078mod tests {
1079    use std::ops::Range;
1080
1081    use super::*;
1082    use editor::{DisplayPoint, Editor};
1083    use gpui::{Context, Hsla, TestAppContext, VisualTestContext};
1084    use language::{Buffer, BufferId};
1085    use smol::stream::StreamExt as _;
1086    use unindent::Unindent as _;
1087
1088    fn init_globals(cx: &mut TestAppContext) {
1089        cx.update(|cx| {
1090            let store = settings::SettingsStore::test(cx);
1091            cx.set_global(store);
1092            editor::init(cx);
1093
1094            language::init(cx);
1095            theme::init(theme::LoadThemes::JustBase, cx);
1096        });
1097    }
1098
1099    fn init_test(
1100        cx: &mut TestAppContext,
1101    ) -> (View<Editor>, View<BufferSearchBar>, &mut VisualTestContext) {
1102        init_globals(cx);
1103        let buffer = cx.new_model(|cx| {
1104            Buffer::new(
1105                0,
1106                BufferId::new(cx.entity_id().as_u64()).unwrap(),
1107                r#"
1108                A regular expression (shortened as regex or regexp;[1] also referred to as
1109                rational expression[2][3]) is a sequence of characters that specifies a search
1110                pattern in text. Usually such patterns are used by string-searching algorithms
1111                for "find" or "find and replace" operations on strings, or for input validation.
1112                "#
1113                .unindent(),
1114            )
1115        });
1116        let cx = cx.add_empty_window();
1117        let editor = cx.new_view(|cx| Editor::for_buffer(buffer.clone(), None, cx));
1118
1119        let search_bar = cx.new_view(|cx| {
1120            let mut search_bar = BufferSearchBar::new(cx);
1121            search_bar.set_active_pane_item(Some(&editor), cx);
1122            search_bar.show(cx);
1123            search_bar
1124        });
1125
1126        (editor, search_bar, cx)
1127    }
1128
1129    #[gpui::test]
1130    async fn test_search_simple(cx: &mut TestAppContext) {
1131        let (editor, search_bar, cx) = init_test(cx);
1132        let display_points_of = |background_highlights: Vec<(Range<DisplayPoint>, Hsla)>| {
1133            background_highlights
1134                .into_iter()
1135                .map(|(range, _)| range)
1136                .collect::<Vec<_>>()
1137        };
1138        // Search for a string that appears with different casing.
1139        // By default, search is case-insensitive.
1140        search_bar
1141            .update(cx, |search_bar, cx| search_bar.search("us", None, cx))
1142            .await
1143            .unwrap();
1144        editor.update(cx, |editor, cx| {
1145            assert_eq!(
1146                display_points_of(editor.all_text_background_highlights(cx)),
1147                &[
1148                    DisplayPoint::new(2, 17)..DisplayPoint::new(2, 19),
1149                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1150                ]
1151            );
1152        });
1153
1154        // Switch to a case sensitive search.
1155        search_bar.update(cx, |search_bar, cx| {
1156            search_bar.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx);
1157        });
1158        let mut editor_notifications = cx.notifications(&editor);
1159        editor_notifications.next().await;
1160        editor.update(cx, |editor, cx| {
1161            assert_eq!(
1162                display_points_of(editor.all_text_background_highlights(cx)),
1163                &[DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),]
1164            );
1165        });
1166
1167        // Search for a string that appears both as a whole word and
1168        // within other words. By default, all results are found.
1169        search_bar
1170            .update(cx, |search_bar, cx| search_bar.search("or", None, cx))
1171            .await
1172            .unwrap();
1173        editor.update(cx, |editor, cx| {
1174            assert_eq!(
1175                display_points_of(editor.all_text_background_highlights(cx)),
1176                &[
1177                    DisplayPoint::new(0, 24)..DisplayPoint::new(0, 26),
1178                    DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1179                    DisplayPoint::new(2, 71)..DisplayPoint::new(2, 73),
1180                    DisplayPoint::new(3, 1)..DisplayPoint::new(3, 3),
1181                    DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1182                    DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1183                    DisplayPoint::new(3, 60)..DisplayPoint::new(3, 62),
1184                ]
1185            );
1186        });
1187
1188        // Switch to a whole word search.
1189        search_bar.update(cx, |search_bar, cx| {
1190            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx);
1191        });
1192        let mut editor_notifications = cx.notifications(&editor);
1193        editor_notifications.next().await;
1194        editor.update(cx, |editor, cx| {
1195            assert_eq!(
1196                display_points_of(editor.all_text_background_highlights(cx)),
1197                &[
1198                    DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1199                    DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1200                    DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1201                ]
1202            );
1203        });
1204
1205        editor.update(cx, |editor, cx| {
1206            editor.change_selections(None, cx, |s| {
1207                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1208            });
1209        });
1210        search_bar.update(cx, |search_bar, cx| {
1211            assert_eq!(search_bar.active_match_index, Some(0));
1212            search_bar.select_next_match(&SelectNextMatch, cx);
1213            assert_eq!(
1214                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1215                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1216            );
1217        });
1218        search_bar.update(cx, |search_bar, _| {
1219            assert_eq!(search_bar.active_match_index, Some(0));
1220        });
1221
1222        search_bar.update(cx, |search_bar, cx| {
1223            search_bar.select_next_match(&SelectNextMatch, cx);
1224            assert_eq!(
1225                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1226                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1227            );
1228        });
1229        search_bar.update(cx, |search_bar, _| {
1230            assert_eq!(search_bar.active_match_index, Some(1));
1231        });
1232
1233        search_bar.update(cx, |search_bar, cx| {
1234            search_bar.select_next_match(&SelectNextMatch, cx);
1235            assert_eq!(
1236                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1237                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1238            );
1239        });
1240        search_bar.update(cx, |search_bar, _| {
1241            assert_eq!(search_bar.active_match_index, Some(2));
1242        });
1243
1244        search_bar.update(cx, |search_bar, cx| {
1245            search_bar.select_next_match(&SelectNextMatch, cx);
1246            assert_eq!(
1247                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1248                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1249            );
1250        });
1251        search_bar.update(cx, |search_bar, _| {
1252            assert_eq!(search_bar.active_match_index, Some(0));
1253        });
1254
1255        search_bar.update(cx, |search_bar, cx| {
1256            search_bar.select_prev_match(&SelectPrevMatch, cx);
1257            assert_eq!(
1258                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1259                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1260            );
1261        });
1262        search_bar.update(cx, |search_bar, _| {
1263            assert_eq!(search_bar.active_match_index, Some(2));
1264        });
1265
1266        search_bar.update(cx, |search_bar, cx| {
1267            search_bar.select_prev_match(&SelectPrevMatch, cx);
1268            assert_eq!(
1269                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1270                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1271            );
1272        });
1273        search_bar.update(cx, |search_bar, _| {
1274            assert_eq!(search_bar.active_match_index, Some(1));
1275        });
1276
1277        search_bar.update(cx, |search_bar, cx| {
1278            search_bar.select_prev_match(&SelectPrevMatch, cx);
1279            assert_eq!(
1280                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1281                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1282            );
1283        });
1284        search_bar.update(cx, |search_bar, _| {
1285            assert_eq!(search_bar.active_match_index, Some(0));
1286        });
1287
1288        // Park the cursor in between matches and ensure that going to the previous match selects
1289        // the closest match to the left.
1290        editor.update(cx, |editor, cx| {
1291            editor.change_selections(None, cx, |s| {
1292                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1293            });
1294        });
1295        search_bar.update(cx, |search_bar, cx| {
1296            assert_eq!(search_bar.active_match_index, Some(1));
1297            search_bar.select_prev_match(&SelectPrevMatch, cx);
1298            assert_eq!(
1299                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1300                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1301            );
1302        });
1303        search_bar.update(cx, |search_bar, _| {
1304            assert_eq!(search_bar.active_match_index, Some(0));
1305        });
1306
1307        // Park the cursor in between matches and ensure that going to the next match selects the
1308        // closest match to the right.
1309        editor.update(cx, |editor, cx| {
1310            editor.change_selections(None, cx, |s| {
1311                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1312            });
1313        });
1314        search_bar.update(cx, |search_bar, cx| {
1315            assert_eq!(search_bar.active_match_index, Some(1));
1316            search_bar.select_next_match(&SelectNextMatch, cx);
1317            assert_eq!(
1318                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1319                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1320            );
1321        });
1322        search_bar.update(cx, |search_bar, _| {
1323            assert_eq!(search_bar.active_match_index, Some(1));
1324        });
1325
1326        // Park the cursor after the last match and ensure that going to the previous match selects
1327        // the last match.
1328        editor.update(cx, |editor, cx| {
1329            editor.change_selections(None, cx, |s| {
1330                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1331            });
1332        });
1333        search_bar.update(cx, |search_bar, cx| {
1334            assert_eq!(search_bar.active_match_index, Some(2));
1335            search_bar.select_prev_match(&SelectPrevMatch, cx);
1336            assert_eq!(
1337                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1338                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1339            );
1340        });
1341        search_bar.update(cx, |search_bar, _| {
1342            assert_eq!(search_bar.active_match_index, Some(2));
1343        });
1344
1345        // Park the cursor after the last match and ensure that going to the next match selects the
1346        // first match.
1347        editor.update(cx, |editor, cx| {
1348            editor.change_selections(None, cx, |s| {
1349                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1350            });
1351        });
1352        search_bar.update(cx, |search_bar, cx| {
1353            assert_eq!(search_bar.active_match_index, Some(2));
1354            search_bar.select_next_match(&SelectNextMatch, cx);
1355            assert_eq!(
1356                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1357                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1358            );
1359        });
1360        search_bar.update(cx, |search_bar, _| {
1361            assert_eq!(search_bar.active_match_index, Some(0));
1362        });
1363
1364        // Park the cursor before the first match and ensure that going to the previous match
1365        // selects the last match.
1366        editor.update(cx, |editor, cx| {
1367            editor.change_selections(None, cx, |s| {
1368                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1369            });
1370        });
1371        search_bar.update(cx, |search_bar, cx| {
1372            assert_eq!(search_bar.active_match_index, Some(0));
1373            search_bar.select_prev_match(&SelectPrevMatch, cx);
1374            assert_eq!(
1375                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1376                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1377            );
1378        });
1379        search_bar.update(cx, |search_bar, _| {
1380            assert_eq!(search_bar.active_match_index, Some(2));
1381        });
1382    }
1383
1384    #[gpui::test]
1385    async fn test_search_option_handling(cx: &mut TestAppContext) {
1386        let (editor, search_bar, cx) = init_test(cx);
1387
1388        // show with options should make current search case sensitive
1389        search_bar
1390            .update(cx, |search_bar, cx| {
1391                search_bar.show(cx);
1392                search_bar.search("us", Some(SearchOptions::CASE_SENSITIVE), cx)
1393            })
1394            .await
1395            .unwrap();
1396        let display_points_of = |background_highlights: Vec<(Range<DisplayPoint>, Hsla)>| {
1397            background_highlights
1398                .into_iter()
1399                .map(|(range, _)| range)
1400                .collect::<Vec<_>>()
1401        };
1402        editor.update(cx, |editor, cx| {
1403            assert_eq!(
1404                display_points_of(editor.all_text_background_highlights(cx)),
1405                &[DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),]
1406            );
1407        });
1408
1409        // search_suggested should restore default options
1410        search_bar.update(cx, |search_bar, cx| {
1411            search_bar.search_suggested(cx);
1412            assert_eq!(search_bar.search_options, SearchOptions::NONE)
1413        });
1414
1415        // toggling a search option should update the defaults
1416        search_bar
1417            .update(cx, |search_bar, cx| {
1418                search_bar.search("regex", Some(SearchOptions::CASE_SENSITIVE), cx)
1419            })
1420            .await
1421            .unwrap();
1422        search_bar.update(cx, |search_bar, cx| {
1423            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
1424        });
1425        let mut editor_notifications = cx.notifications(&editor);
1426        editor_notifications.next().await;
1427        editor.update(cx, |editor, cx| {
1428            assert_eq!(
1429                display_points_of(editor.all_text_background_highlights(cx)),
1430                &[DisplayPoint::new(0, 35)..DisplayPoint::new(0, 40),]
1431            );
1432        });
1433
1434        // defaults should still include whole word
1435        search_bar.update(cx, |search_bar, cx| {
1436            search_bar.search_suggested(cx);
1437            assert_eq!(
1438                search_bar.search_options,
1439                SearchOptions::CASE_SENSITIVE | SearchOptions::WHOLE_WORD
1440            )
1441        });
1442    }
1443
1444    #[gpui::test]
1445    async fn test_search_select_all_matches(cx: &mut TestAppContext) {
1446        init_globals(cx);
1447        let buffer_text = r#"
1448        A regular expression (shortened as regex or regexp;[1] also referred to as
1449        rational expression[2][3]) is a sequence of characters that specifies a search
1450        pattern in text. Usually such patterns are used by string-searching algorithms
1451        for "find" or "find and replace" operations on strings, or for input validation.
1452        "#
1453        .unindent();
1454        let expected_query_matches_count = buffer_text
1455            .chars()
1456            .filter(|c| c.to_ascii_lowercase() == 'a')
1457            .count();
1458        assert!(
1459            expected_query_matches_count > 1,
1460            "Should pick a query with multiple results"
1461        );
1462        let buffer = cx.new_model(|cx| {
1463            Buffer::new(
1464                0,
1465                BufferId::new(cx.entity_id().as_u64()).unwrap(),
1466                buffer_text,
1467            )
1468        });
1469        let window = cx.add_window(|_| ());
1470
1471        let editor = window.build_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1472
1473        let search_bar = window.build_view(cx, |cx| {
1474            let mut search_bar = BufferSearchBar::new(cx);
1475            search_bar.set_active_pane_item(Some(&editor), cx);
1476            search_bar.show(cx);
1477            search_bar
1478        });
1479
1480        window
1481            .update(cx, |_, cx| {
1482                search_bar.update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1483            })
1484            .unwrap()
1485            .await
1486            .unwrap();
1487        let initial_selections = window
1488            .update(cx, |_, cx| {
1489                search_bar.update(cx, |search_bar, cx| {
1490                    let handle = search_bar.query_editor.focus_handle(cx);
1491                    cx.focus(&handle);
1492                    search_bar.activate_current_match(cx);
1493                });
1494                assert!(
1495                    !editor.read(cx).is_focused(cx),
1496                    "Initially, the editor should not be focused"
1497                );
1498                let initial_selections = editor.update(cx, |editor, cx| {
1499                    let initial_selections = editor.selections.display_ranges(cx);
1500                    assert_eq!(
1501                        initial_selections.len(), 1,
1502                        "Expected to have only one selection before adding carets to all matches, but got: {initial_selections:?}",
1503                    );
1504                    initial_selections
1505                });
1506                search_bar.update(cx, |search_bar, cx| {
1507                    assert_eq!(search_bar.active_match_index, Some(0));
1508                    let handle = search_bar.query_editor.focus_handle(cx);
1509                    cx.focus(&handle);
1510                    search_bar.select_all_matches(&SelectAllMatches, cx);
1511                });
1512                assert!(
1513                    editor.read(cx).is_focused(cx),
1514                    "Should focus editor after successful SelectAllMatches"
1515                );
1516                search_bar.update(cx, |search_bar, cx| {
1517                    let all_selections =
1518                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1519                    assert_eq!(
1520                        all_selections.len(),
1521                        expected_query_matches_count,
1522                        "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1523                    );
1524                    assert_eq!(
1525                        search_bar.active_match_index,
1526                        Some(0),
1527                        "Match index should not change after selecting all matches"
1528                    );
1529                });
1530
1531                search_bar.update(cx, |this, cx| this.select_next_match(&SelectNextMatch, cx));
1532                initial_selections
1533            }).unwrap();
1534
1535        window
1536            .update(cx, |_, cx| {
1537                assert!(
1538                    editor.read(cx).is_focused(cx),
1539                    "Should still have editor focused after SelectNextMatch"
1540                );
1541                search_bar.update(cx, |search_bar, cx| {
1542                    let all_selections =
1543                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1544                    assert_eq!(
1545                        all_selections.len(),
1546                        1,
1547                        "On next match, should deselect items and select the next match"
1548                    );
1549                    assert_ne!(
1550                        all_selections, initial_selections,
1551                        "Next match should be different from the first selection"
1552                    );
1553                    assert_eq!(
1554                        search_bar.active_match_index,
1555                        Some(1),
1556                        "Match index should be updated to the next one"
1557                    );
1558                    let handle = search_bar.query_editor.focus_handle(cx);
1559                    cx.focus(&handle);
1560                    search_bar.select_all_matches(&SelectAllMatches, cx);
1561                });
1562            })
1563            .unwrap();
1564        window
1565            .update(cx, |_, cx| {
1566                assert!(
1567                    editor.read(cx).is_focused(cx),
1568                    "Should focus editor after successful SelectAllMatches"
1569                );
1570                search_bar.update(cx, |search_bar, cx| {
1571                    let all_selections =
1572                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1573                    assert_eq!(
1574                    all_selections.len(),
1575                    expected_query_matches_count,
1576                    "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1577                );
1578                    assert_eq!(
1579                        search_bar.active_match_index,
1580                        Some(1),
1581                        "Match index should not change after selecting all matches"
1582                    );
1583                });
1584                search_bar.update(cx, |search_bar, cx| {
1585                    search_bar.select_prev_match(&SelectPrevMatch, cx);
1586                });
1587            })
1588            .unwrap();
1589        let last_match_selections = window
1590            .update(cx, |_, cx| {
1591                assert!(
1592                    editor.read(cx).is_focused(&cx),
1593                    "Should still have editor focused after SelectPrevMatch"
1594                );
1595
1596                search_bar.update(cx, |search_bar, cx| {
1597                    let all_selections =
1598                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1599                    assert_eq!(
1600                        all_selections.len(),
1601                        1,
1602                        "On previous match, should deselect items and select the previous item"
1603                    );
1604                    assert_eq!(
1605                        all_selections, initial_selections,
1606                        "Previous match should be the same as the first selection"
1607                    );
1608                    assert_eq!(
1609                        search_bar.active_match_index,
1610                        Some(0),
1611                        "Match index should be updated to the previous one"
1612                    );
1613                    all_selections
1614                })
1615            })
1616            .unwrap();
1617
1618        window
1619            .update(cx, |_, cx| {
1620                search_bar.update(cx, |search_bar, cx| {
1621                    let handle = search_bar.query_editor.focus_handle(cx);
1622                    cx.focus(&handle);
1623                    search_bar.search("abas_nonexistent_match", None, cx)
1624                })
1625            })
1626            .unwrap()
1627            .await
1628            .unwrap();
1629        window
1630            .update(cx, |_, cx| {
1631                search_bar.update(cx, |search_bar, cx| {
1632                    search_bar.select_all_matches(&SelectAllMatches, cx);
1633                });
1634                assert!(
1635                    editor.update(cx, |this, cx| !this.is_focused(cx.window_context())),
1636                    "Should not switch focus to editor if SelectAllMatches does not find any matches"
1637                );
1638                search_bar.update(cx, |search_bar, cx| {
1639                    let all_selections =
1640                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1641                    assert_eq!(
1642                        all_selections, last_match_selections,
1643                        "Should not select anything new if there are no matches"
1644                    );
1645                    assert!(
1646                        search_bar.active_match_index.is_none(),
1647                        "For no matches, there should be no active match index"
1648                    );
1649                });
1650            })
1651            .unwrap();
1652    }
1653
1654    #[gpui::test]
1655    async fn test_search_query_history(cx: &mut TestAppContext) {
1656        init_globals(cx);
1657        let buffer_text = r#"
1658        A regular expression (shortened as regex or regexp;[1] also referred to as
1659        rational expression[2][3]) is a sequence of characters that specifies a search
1660        pattern in text. Usually such patterns are used by string-searching algorithms
1661        for "find" or "find and replace" operations on strings, or for input validation.
1662        "#
1663        .unindent();
1664        let buffer = cx.new_model(|cx| {
1665            Buffer::new(
1666                0,
1667                BufferId::new(cx.entity_id().as_u64()).unwrap(),
1668                buffer_text,
1669            )
1670        });
1671        let cx = cx.add_empty_window();
1672
1673        let editor = cx.new_view(|cx| Editor::for_buffer(buffer.clone(), None, cx));
1674
1675        let search_bar = cx.new_view(|cx| {
1676            let mut search_bar = BufferSearchBar::new(cx);
1677            search_bar.set_active_pane_item(Some(&editor), cx);
1678            search_bar.show(cx);
1679            search_bar
1680        });
1681
1682        // Add 3 search items into the history.
1683        search_bar
1684            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1685            .await
1686            .unwrap();
1687        search_bar
1688            .update(cx, |search_bar, cx| search_bar.search("b", None, cx))
1689            .await
1690            .unwrap();
1691        search_bar
1692            .update(cx, |search_bar, cx| {
1693                search_bar.search("c", Some(SearchOptions::CASE_SENSITIVE), cx)
1694            })
1695            .await
1696            .unwrap();
1697        // Ensure that the latest search is active.
1698        search_bar.update(cx, |search_bar, cx| {
1699            assert_eq!(search_bar.query(cx), "c");
1700            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1701        });
1702
1703        // Next history query after the latest should set the query to the empty string.
1704        search_bar.update(cx, |search_bar, cx| {
1705            search_bar.next_history_query(&NextHistoryQuery, cx);
1706        });
1707        search_bar.update(cx, |search_bar, cx| {
1708            assert_eq!(search_bar.query(cx), "");
1709            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1710        });
1711        search_bar.update(cx, |search_bar, cx| {
1712            search_bar.next_history_query(&NextHistoryQuery, cx);
1713        });
1714        search_bar.update(cx, |search_bar, cx| {
1715            assert_eq!(search_bar.query(cx), "");
1716            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1717        });
1718
1719        // First previous query for empty current query should set the query to the latest.
1720        search_bar.update(cx, |search_bar, cx| {
1721            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1722        });
1723        search_bar.update(cx, |search_bar, cx| {
1724            assert_eq!(search_bar.query(cx), "c");
1725            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1726        });
1727
1728        // Further previous items should go over the history in reverse order.
1729        search_bar.update(cx, |search_bar, cx| {
1730            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1731        });
1732        search_bar.update(cx, |search_bar, cx| {
1733            assert_eq!(search_bar.query(cx), "b");
1734            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1735        });
1736
1737        // Previous items should never go behind the first history item.
1738        search_bar.update(cx, |search_bar, cx| {
1739            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1740        });
1741        search_bar.update(cx, |search_bar, cx| {
1742            assert_eq!(search_bar.query(cx), "a");
1743            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1744        });
1745        search_bar.update(cx, |search_bar, cx| {
1746            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1747        });
1748        search_bar.update(cx, |search_bar, cx| {
1749            assert_eq!(search_bar.query(cx), "a");
1750            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1751        });
1752
1753        // Next items should go over the history in the original order.
1754        search_bar.update(cx, |search_bar, cx| {
1755            search_bar.next_history_query(&NextHistoryQuery, cx);
1756        });
1757        search_bar.update(cx, |search_bar, cx| {
1758            assert_eq!(search_bar.query(cx), "b");
1759            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1760        });
1761
1762        search_bar
1763            .update(cx, |search_bar, cx| search_bar.search("ba", None, cx))
1764            .await
1765            .unwrap();
1766        search_bar.update(cx, |search_bar, cx| {
1767            assert_eq!(search_bar.query(cx), "ba");
1768            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1769        });
1770
1771        // New search input should add another entry to history and move the selection to the end of the history.
1772        search_bar.update(cx, |search_bar, cx| {
1773            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1774        });
1775        search_bar.update(cx, |search_bar, cx| {
1776            assert_eq!(search_bar.query(cx), "c");
1777            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1778        });
1779        search_bar.update(cx, |search_bar, cx| {
1780            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1781        });
1782        search_bar.update(cx, |search_bar, cx| {
1783            assert_eq!(search_bar.query(cx), "b");
1784            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1785        });
1786        search_bar.update(cx, |search_bar, cx| {
1787            search_bar.next_history_query(&NextHistoryQuery, cx);
1788        });
1789        search_bar.update(cx, |search_bar, cx| {
1790            assert_eq!(search_bar.query(cx), "c");
1791            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1792        });
1793        search_bar.update(cx, |search_bar, cx| {
1794            search_bar.next_history_query(&NextHistoryQuery, cx);
1795        });
1796        search_bar.update(cx, |search_bar, cx| {
1797            assert_eq!(search_bar.query(cx), "ba");
1798            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1799        });
1800        search_bar.update(cx, |search_bar, cx| {
1801            search_bar.next_history_query(&NextHistoryQuery, cx);
1802        });
1803        search_bar.update(cx, |search_bar, cx| {
1804            assert_eq!(search_bar.query(cx), "");
1805            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1806        });
1807    }
1808
1809    #[gpui::test]
1810    async fn test_replace_simple(cx: &mut TestAppContext) {
1811        let (editor, search_bar, cx) = init_test(cx);
1812
1813        search_bar
1814            .update(cx, |search_bar, cx| {
1815                search_bar.search("expression", None, cx)
1816            })
1817            .await
1818            .unwrap();
1819
1820        search_bar.update(cx, |search_bar, cx| {
1821            search_bar.replacement_editor.update(cx, |editor, cx| {
1822                // We use $1 here as initially we should be in Text mode, where `$1` should be treated literally.
1823                editor.set_text("expr$1", cx);
1824            });
1825            search_bar.replace_all(&ReplaceAll, cx)
1826        });
1827        assert_eq!(
1828            editor.update(cx, |this, cx| { this.text(cx) }),
1829            r#"
1830        A regular expr$1 (shortened as regex or regexp;[1] also referred to as
1831        rational expr$1[2][3]) is a sequence of characters that specifies a search
1832        pattern in text. Usually such patterns are used by string-searching algorithms
1833        for "find" or "find and replace" operations on strings, or for input validation.
1834        "#
1835            .unindent()
1836        );
1837
1838        // Search for word boundaries and replace just a single one.
1839        search_bar
1840            .update(cx, |search_bar, cx| {
1841                search_bar.search("or", Some(SearchOptions::WHOLE_WORD), cx)
1842            })
1843            .await
1844            .unwrap();
1845
1846        search_bar.update(cx, |search_bar, cx| {
1847            search_bar.replacement_editor.update(cx, |editor, cx| {
1848                editor.set_text("banana", cx);
1849            });
1850            search_bar.replace_next(&ReplaceNext, cx)
1851        });
1852        // Notice how the first or in the text (shORtened) is not replaced. Neither are the remaining hits of `or` in the text.
1853        assert_eq!(
1854            editor.update(cx, |this, cx| { this.text(cx) }),
1855            r#"
1856        A regular expr$1 (shortened as regex banana regexp;[1] also referred to as
1857        rational expr$1[2][3]) is a sequence of characters that specifies a search
1858        pattern in text. Usually such patterns are used by string-searching algorithms
1859        for "find" or "find and replace" operations on strings, or for input validation.
1860        "#
1861            .unindent()
1862        );
1863        // Let's turn on regex mode.
1864        search_bar
1865            .update(cx, |search_bar, cx| {
1866                search_bar.activate_search_mode(SearchMode::Regex, cx);
1867                search_bar.search("\\[([^\\]]+)\\]", None, cx)
1868            })
1869            .await
1870            .unwrap();
1871        search_bar.update(cx, |search_bar, cx| {
1872            search_bar.replacement_editor.update(cx, |editor, cx| {
1873                editor.set_text("${1}number", cx);
1874            });
1875            search_bar.replace_all(&ReplaceAll, cx)
1876        });
1877        assert_eq!(
1878            editor.update(cx, |this, cx| { this.text(cx) }),
1879            r#"
1880        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1881        rational expr$12number3number) is a sequence of characters that specifies a search
1882        pattern in text. Usually such patterns are used by string-searching algorithms
1883        for "find" or "find and replace" operations on strings, or for input validation.
1884        "#
1885            .unindent()
1886        );
1887        // Now with a whole-word twist.
1888        search_bar
1889            .update(cx, |search_bar, cx| {
1890                search_bar.activate_search_mode(SearchMode::Regex, cx);
1891                search_bar.search("a\\w+s", Some(SearchOptions::WHOLE_WORD), cx)
1892            })
1893            .await
1894            .unwrap();
1895        search_bar.update(cx, |search_bar, cx| {
1896            search_bar.replacement_editor.update(cx, |editor, cx| {
1897                editor.set_text("things", cx);
1898            });
1899            search_bar.replace_all(&ReplaceAll, cx)
1900        });
1901        // The only word affected by this edit should be `algorithms`, even though there's a bunch
1902        // of words in this text that would match this regex if not for WHOLE_WORD.
1903        assert_eq!(
1904            editor.update(cx, |this, cx| { this.text(cx) }),
1905            r#"
1906        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1907        rational expr$12number3number) is a sequence of characters that specifies a search
1908        pattern in text. Usually such patterns are used by string-searching things
1909        for "find" or "find and replace" operations on strings, or for input validation.
1910        "#
1911            .unindent()
1912        );
1913    }
1914}