buffer_search.rs

   1use crate::{
   2    history::SearchHistory,
   3    mode::{next_mode, SearchMode, Side},
   4    search_bar::{render_nav_button, render_search_mode_button},
   5    CycleMode, NextHistoryQuery, PreviousHistoryQuery, ReplaceAll, ReplaceNext, SearchOptions,
   6    SelectAllMatches, SelectNextMatch, SelectPrevMatch, ToggleCaseSensitive, ToggleReplace,
   7    ToggleWholeWord,
   8};
   9use collections::HashMap;
  10use editor::Editor;
  11use futures::channel::oneshot;
  12use gpui::{
  13    actions, elements::*, impl_actions, Action, AnyViewHandle, AppContext, Entity, Subscription,
  14    Task, View, ViewContext, ViewHandle, WindowContext,
  15};
  16use project::search::SearchQuery;
  17use serde::Deserialize;
  18use std::{any::Any, sync::Arc};
  19
  20use util::ResultExt;
  21use workspace::{
  22    item::ItemHandle,
  23    searchable::{Direction, SearchEvent, SearchableItemHandle, WeakSearchableItemHandle},
  24    Pane, ToolbarItemLocation, ToolbarItemView,
  25};
  26
  27#[derive(Clone, Deserialize, PartialEq)]
  28pub struct Deploy {
  29    pub focus: bool,
  30}
  31
  32actions!(buffer_search, [Dismiss, FocusEditor]);
  33impl_actions!(buffer_search, [Deploy]);
  34
  35pub enum Event {
  36    UpdateLocation,
  37}
  38
  39pub fn init(cx: &mut AppContext) {
  40    cx.add_action(BufferSearchBar::deploy_bar);
  41    cx.add_action(BufferSearchBar::dismiss);
  42    cx.add_action(BufferSearchBar::focus_editor);
  43    cx.add_action(BufferSearchBar::select_next_match);
  44    cx.add_action(BufferSearchBar::select_prev_match);
  45    cx.add_action(BufferSearchBar::select_all_matches);
  46    cx.add_action(BufferSearchBar::select_next_match_on_pane);
  47    cx.add_action(BufferSearchBar::select_prev_match_on_pane);
  48    cx.add_action(BufferSearchBar::select_all_matches_on_pane);
  49    cx.add_action(BufferSearchBar::handle_editor_cancel);
  50    cx.add_action(BufferSearchBar::next_history_query);
  51    cx.add_action(BufferSearchBar::previous_history_query);
  52    cx.add_action(BufferSearchBar::cycle_mode);
  53    cx.add_action(BufferSearchBar::cycle_mode_on_pane);
  54    cx.add_action(BufferSearchBar::replace_all);
  55    cx.add_action(BufferSearchBar::replace_next);
  56    cx.add_action(BufferSearchBar::replace_all_on_pane);
  57    cx.add_action(BufferSearchBar::replace_next_on_pane);
  58    cx.add_action(BufferSearchBar::toggle_replace);
  59    cx.add_action(BufferSearchBar::toggle_replace_on_a_pane);
  60    add_toggle_option_action::<ToggleCaseSensitive>(SearchOptions::CASE_SENSITIVE, cx);
  61    add_toggle_option_action::<ToggleWholeWord>(SearchOptions::WHOLE_WORD, cx);
  62}
  63
  64fn add_toggle_option_action<A: Action>(option: SearchOptions, cx: &mut AppContext) {
  65    cx.add_action(move |pane: &mut Pane, _: &A, cx: &mut ViewContext<Pane>| {
  66        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
  67            search_bar.update(cx, |search_bar, cx| {
  68                if search_bar.show(cx) {
  69                    search_bar.toggle_search_option(option, cx);
  70                }
  71            });
  72        }
  73        cx.propagate_action();
  74    });
  75}
  76
  77pub struct BufferSearchBar {
  78    query_editor: ViewHandle<Editor>,
  79    replacement_editor: ViewHandle<Editor>,
  80    active_searchable_item: Option<Box<dyn SearchableItemHandle>>,
  81    active_match_index: Option<usize>,
  82    active_searchable_item_subscription: Option<Subscription>,
  83    active_search: Option<Arc<SearchQuery>>,
  84    searchable_items_with_matches:
  85        HashMap<Box<dyn WeakSearchableItemHandle>, Vec<Box<dyn Any + Send>>>,
  86    pending_search: Option<Task<()>>,
  87    search_options: SearchOptions,
  88    default_options: SearchOptions,
  89    query_contains_error: bool,
  90    dismissed: bool,
  91    search_history: SearchHistory,
  92    current_mode: SearchMode,
  93    replace_enabled: bool,
  94}
  95
  96impl Entity for BufferSearchBar {
  97    type Event = Event;
  98}
  99
 100impl View for BufferSearchBar {
 101    fn ui_name() -> &'static str {
 102        "BufferSearchBar"
 103    }
 104
 105    fn update_keymap_context(
 106        &self,
 107        keymap: &mut gpui::keymap_matcher::KeymapContext,
 108        cx: &AppContext,
 109    ) {
 110        Self::reset_to_default_keymap_context(keymap);
 111        let in_replace = self
 112            .replacement_editor
 113            .read_with(cx, |_, cx| cx.is_self_focused())
 114            .unwrap_or(false);
 115        if in_replace {
 116            keymap.add_identifier("in_replace");
 117        }
 118    }
 119
 120    fn focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
 121        if cx.is_self_focused() {
 122            cx.focus(&self.query_editor);
 123        }
 124    }
 125
 126    fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
 127        let theme = theme::current(cx).clone();
 128        let query_container_style = if self.query_contains_error {
 129            theme.search.invalid_editor
 130        } else {
 131            theme.search.editor.input.container
 132        };
 133        let supported_options = self
 134            .active_searchable_item
 135            .as_ref()
 136            .map(|active_searchable_item| active_searchable_item.supported_options())
 137            .unwrap_or_default();
 138
 139        let previous_query_keystrokes =
 140            cx.binding_for_action(&PreviousHistoryQuery {})
 141                .map(|binding| {
 142                    binding
 143                        .keystrokes()
 144                        .iter()
 145                        .map(|k| k.to_string())
 146                        .collect::<Vec<_>>()
 147                });
 148        let next_query_keystrokes = cx.binding_for_action(&NextHistoryQuery {}).map(|binding| {
 149            binding
 150                .keystrokes()
 151                .iter()
 152                .map(|k| k.to_string())
 153                .collect::<Vec<_>>()
 154        });
 155        let new_placeholder_text = match (previous_query_keystrokes, next_query_keystrokes) {
 156            (Some(previous_query_keystrokes), Some(next_query_keystrokes)) => {
 157                format!(
 158                    "Search ({}/{} for previous/next query)",
 159                    previous_query_keystrokes.join(" "),
 160                    next_query_keystrokes.join(" ")
 161                )
 162            }
 163            (None, Some(next_query_keystrokes)) => {
 164                format!(
 165                    "Search ({} for next query)",
 166                    next_query_keystrokes.join(" ")
 167                )
 168            }
 169            (Some(previous_query_keystrokes), None) => {
 170                format!(
 171                    "Search ({} for previous query)",
 172                    previous_query_keystrokes.join(" ")
 173                )
 174            }
 175            (None, None) => String::new(),
 176        };
 177        self.query_editor.update(cx, |editor, cx| {
 178            editor.set_placeholder_text(new_placeholder_text, cx);
 179        });
 180        self.replacement_editor.update(cx, |editor, cx| {
 181            editor.set_placeholder_text("Replace with...", cx);
 182        });
 183        let search_button_for_mode = |mode, side, cx: &mut ViewContext<BufferSearchBar>| {
 184            let is_active = self.current_mode == mode;
 185
 186            render_search_mode_button(
 187                mode,
 188                side,
 189                is_active,
 190                move |_, this, cx| {
 191                    this.activate_search_mode(mode, cx);
 192                },
 193                cx,
 194            )
 195        };
 196        let search_option_button = |option| {
 197            let is_active = self.search_options.contains(option);
 198            option.as_button(
 199                is_active,
 200                theme.tooltip.clone(),
 201                theme.search.option_button_component.clone(),
 202            )
 203        };
 204        let match_count = self
 205            .active_searchable_item
 206            .as_ref()
 207            .and_then(|searchable_item| {
 208                if self.query(cx).is_empty() {
 209                    return None;
 210                }
 211                let matches = self
 212                    .searchable_items_with_matches
 213                    .get(&searchable_item.downgrade())?;
 214                let message = if let Some(match_ix) = self.active_match_index {
 215                    format!("{}/{}", match_ix + 1, matches.len())
 216                } else {
 217                    "No matches".to_string()
 218                };
 219
 220                Some(
 221                    Label::new(message, theme.search.match_index.text.clone())
 222                        .contained()
 223                        .with_style(theme.search.match_index.container)
 224                        .aligned(),
 225                )
 226            });
 227        let nav_button_for_direction = |label, direction, cx: &mut ViewContext<Self>| {
 228            render_nav_button(
 229                label,
 230                direction,
 231                self.active_match_index.is_some(),
 232                move |_, this, cx| match direction {
 233                    Direction::Prev => this.select_prev_match(&Default::default(), cx),
 234                    Direction::Next => this.select_next_match(&Default::default(), cx),
 235                },
 236                cx,
 237            )
 238        };
 239        let query_column = Flex::row()
 240            .with_child(
 241                Svg::for_style(theme.search.editor_icon.clone().icon)
 242                    .contained()
 243                    .with_style(theme.search.editor_icon.clone().container),
 244            )
 245            .with_child(ChildView::new(&self.query_editor, cx).flex(1., true))
 246            .with_child(
 247                Flex::row()
 248                    .with_children(
 249                        supported_options
 250                            .case
 251                            .then(|| search_option_button(SearchOptions::CASE_SENSITIVE)),
 252                    )
 253                    .with_children(
 254                        supported_options
 255                            .word
 256                            .then(|| search_option_button(SearchOptions::WHOLE_WORD)),
 257                    )
 258                    .flex_float()
 259                    .contained(),
 260            )
 261            .align_children_center()
 262            .contained()
 263            .with_style(query_container_style)
 264            .constrained()
 265            .with_min_width(theme.search.editor.min_width)
 266            .with_max_width(theme.search.editor.max_width)
 267            .with_height(theme.search.search_bar_row_height)
 268            .flex(1., false);
 269        let should_show_replace_input = self.replace_enabled && supported_options.replacement;
 270
 271        let replacement = should_show_replace_input.then(|| {
 272            Flex::row()
 273                .with_child(
 274                    Svg::for_style(theme.search.replace_icon.clone().icon)
 275                        .contained()
 276                        .with_style(theme.search.replace_icon.clone().container),
 277                )
 278                .with_child(ChildView::new(&self.replacement_editor, cx).flex(1., true))
 279                .align_children_center()
 280                .flex(1., true)
 281                .contained()
 282                .with_style(query_container_style)
 283                .constrained()
 284                .with_min_width(theme.search.editor.min_width)
 285                .with_max_width(theme.search.editor.max_width)
 286                .with_height(theme.search.search_bar_row_height)
 287                .flex(1., false)
 288        });
 289        let replace_all = should_show_replace_input.then(|| {
 290            super::replace_action(
 291                ReplaceAll,
 292                "Replace all",
 293                "icons/replace_all.svg",
 294                theme.tooltip.clone(),
 295                theme.search.action_button.clone(),
 296            )
 297        });
 298        let replace_next = should_show_replace_input.then(|| {
 299            super::replace_action(
 300                ReplaceNext,
 301                "Replace next",
 302                "icons/replace_next.svg",
 303                theme.tooltip.clone(),
 304                theme.search.action_button.clone(),
 305            )
 306        });
 307        let switches_column = supported_options.replacement.then(|| {
 308            Flex::row()
 309                .align_children_center()
 310                .with_child(super::toggle_replace_button(
 311                    self.replace_enabled,
 312                    theme.tooltip.clone(),
 313                    theme.search.option_button_component.clone(),
 314                ))
 315                .constrained()
 316                .with_height(theme.search.search_bar_row_height)
 317                .contained()
 318                .with_style(theme.search.option_button_group)
 319        });
 320        let mode_column = Flex::row()
 321            .with_child(search_button_for_mode(
 322                SearchMode::Text,
 323                Some(Side::Left),
 324                cx,
 325            ))
 326            .with_child(search_button_for_mode(
 327                SearchMode::Regex,
 328                Some(Side::Right),
 329                cx,
 330            ))
 331            .contained()
 332            .with_style(theme.search.modes_container)
 333            .constrained()
 334            .with_height(theme.search.search_bar_row_height);
 335
 336        let nav_column = Flex::row()
 337            .align_children_center()
 338            .with_children(replace_next)
 339            .with_children(replace_all)
 340            .with_child(self.render_action_button("icons/select-all.svg", cx))
 341            .with_child(Flex::row().with_children(match_count))
 342            .with_child(nav_button_for_direction("<", Direction::Prev, cx))
 343            .with_child(nav_button_for_direction(">", Direction::Next, cx))
 344            .constrained()
 345            .with_height(theme.search.search_bar_row_height)
 346            .flex_float();
 347
 348        Flex::row()
 349            .with_child(query_column)
 350            .with_child(mode_column)
 351            .with_children(switches_column)
 352            .with_children(replacement)
 353            .with_child(nav_column)
 354            .contained()
 355            .with_style(theme.search.container)
 356            .into_any_named("search bar")
 357    }
 358}
 359
 360impl ToolbarItemView for BufferSearchBar {
 361    fn set_active_pane_item(
 362        &mut self,
 363        item: Option<&dyn ItemHandle>,
 364        cx: &mut ViewContext<Self>,
 365    ) -> ToolbarItemLocation {
 366        cx.notify();
 367        self.active_searchable_item_subscription.take();
 368        self.active_searchable_item.take();
 369        self.pending_search.take();
 370
 371        if let Some(searchable_item_handle) =
 372            item.and_then(|item| item.to_searchable_item_handle(cx))
 373        {
 374            let this = cx.weak_handle();
 375            self.active_searchable_item_subscription =
 376                Some(searchable_item_handle.subscribe_to_search_events(
 377                    cx,
 378                    Box::new(move |search_event, cx| {
 379                        if let Some(this) = this.upgrade(cx) {
 380                            this.update(cx, |this, cx| {
 381                                this.on_active_searchable_item_event(search_event, cx)
 382                            });
 383                        }
 384                    }),
 385                ));
 386
 387            self.active_searchable_item = Some(searchable_item_handle);
 388            let _ = self.update_matches(cx);
 389            if !self.dismissed {
 390                return ToolbarItemLocation::Secondary;
 391            }
 392        }
 393
 394        ToolbarItemLocation::Hidden
 395    }
 396
 397    fn location_for_event(
 398        &self,
 399        _: &Self::Event,
 400        _: ToolbarItemLocation,
 401        _: &AppContext,
 402    ) -> ToolbarItemLocation {
 403        if self.active_searchable_item.is_some() && !self.dismissed {
 404            ToolbarItemLocation::Secondary
 405        } else {
 406            ToolbarItemLocation::Hidden
 407        }
 408    }
 409
 410    fn row_count(&self, _: &ViewContext<Self>) -> usize {
 411        1
 412    }
 413}
 414
 415impl BufferSearchBar {
 416    pub fn new(cx: &mut ViewContext<Self>) -> Self {
 417        let query_editor = cx.add_view(|cx| {
 418            Editor::auto_height(
 419                2,
 420                Some(Arc::new(|theme| theme.search.editor.input.clone())),
 421                cx,
 422            )
 423        });
 424        cx.subscribe(&query_editor, Self::on_query_editor_event)
 425            .detach();
 426        let replacement_editor = cx.add_view(|cx| {
 427            Editor::auto_height(
 428                2,
 429                Some(Arc::new(|theme| theme.search.editor.input.clone())),
 430                cx,
 431            )
 432        });
 433        // cx.subscribe(&replacement_editor, Self::on_query_editor_event)
 434        //     .detach();
 435        Self {
 436            query_editor,
 437            replacement_editor,
 438            active_searchable_item: None,
 439            active_searchable_item_subscription: None,
 440            active_match_index: None,
 441            searchable_items_with_matches: Default::default(),
 442            default_options: SearchOptions::NONE,
 443            search_options: SearchOptions::NONE,
 444            pending_search: None,
 445            query_contains_error: false,
 446            dismissed: true,
 447            search_history: SearchHistory::default(),
 448            current_mode: SearchMode::default(),
 449            active_search: None,
 450            replace_enabled: false,
 451        }
 452    }
 453
 454    pub fn is_dismissed(&self) -> bool {
 455        self.dismissed
 456    }
 457
 458    pub fn dismiss(&mut self, _: &Dismiss, cx: &mut ViewContext<Self>) {
 459        self.dismissed = true;
 460        for searchable_item in self.searchable_items_with_matches.keys() {
 461            if let Some(searchable_item) =
 462                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 463            {
 464                searchable_item.clear_matches(cx);
 465            }
 466        }
 467        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 468            cx.focus(active_editor.as_any());
 469        }
 470        cx.emit(Event::UpdateLocation);
 471        cx.notify();
 472    }
 473
 474    pub fn deploy(&mut self, deploy: &Deploy, cx: &mut ViewContext<Self>) -> bool {
 475        if self.show(cx) {
 476            self.search_suggested(cx);
 477            if deploy.focus {
 478                self.select_query(cx);
 479                cx.focus_self();
 480            }
 481            return true;
 482        }
 483
 484        false
 485    }
 486
 487    pub fn show(&mut self, cx: &mut ViewContext<Self>) -> bool {
 488        if self.active_searchable_item.is_none() {
 489            return false;
 490        }
 491        self.dismissed = false;
 492        cx.notify();
 493        cx.emit(Event::UpdateLocation);
 494        true
 495    }
 496
 497    pub fn search_suggested(&mut self, cx: &mut ViewContext<Self>) {
 498        let search = self
 499            .query_suggestion(cx)
 500            .map(|suggestion| self.search(&suggestion, Some(self.default_options), cx));
 501
 502        if let Some(search) = search {
 503            cx.spawn(|this, mut cx| async move {
 504                search.await?;
 505                this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 506            })
 507            .detach_and_log_err(cx);
 508        }
 509    }
 510
 511    pub fn activate_current_match(&mut self, cx: &mut ViewContext<Self>) {
 512        if let Some(match_ix) = self.active_match_index {
 513            if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 514                if let Some(matches) = self
 515                    .searchable_items_with_matches
 516                    .get(&active_searchable_item.downgrade())
 517                {
 518                    active_searchable_item.activate_match(match_ix, matches, cx)
 519                }
 520            }
 521        }
 522    }
 523
 524    pub fn select_query(&mut self, cx: &mut ViewContext<Self>) {
 525        self.query_editor.update(cx, |query_editor, cx| {
 526            query_editor.select_all(&Default::default(), cx);
 527        });
 528    }
 529
 530    pub fn query(&self, cx: &WindowContext) -> String {
 531        self.query_editor.read(cx).text(cx)
 532    }
 533    pub fn replacement(&self, cx: &WindowContext) -> String {
 534        self.replacement_editor.read(cx).text(cx)
 535    }
 536    pub fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> Option<String> {
 537        self.active_searchable_item
 538            .as_ref()
 539            .map(|searchable_item| searchable_item.query_suggestion(cx))
 540            .filter(|suggestion| !suggestion.is_empty())
 541    }
 542
 543    pub fn set_replacement(&mut self, replacement: Option<&str>, cx: &mut ViewContext<Self>) {
 544        if replacement.is_none() {
 545            self.replace_enabled = false;
 546            return;
 547        }
 548        self.replace_enabled = true;
 549        self.replacement_editor
 550            .update(cx, |replacement_editor, cx| {
 551                replacement_editor
 552                    .buffer()
 553                    .update(cx, |replacement_buffer, cx| {
 554                        let len = replacement_buffer.len(cx);
 555                        replacement_buffer.edit([(0..len, replacement.unwrap())], None, cx);
 556                    });
 557            });
 558    }
 559
 560    pub fn search(
 561        &mut self,
 562        query: &str,
 563        options: Option<SearchOptions>,
 564        cx: &mut ViewContext<Self>,
 565    ) -> oneshot::Receiver<()> {
 566        let options = options.unwrap_or(self.default_options);
 567        if query != self.query(cx) || self.search_options != options {
 568            self.query_editor.update(cx, |query_editor, cx| {
 569                query_editor.buffer().update(cx, |query_buffer, cx| {
 570                    let len = query_buffer.len(cx);
 571                    query_buffer.edit([(0..len, query)], None, cx);
 572                });
 573            });
 574            self.search_options = options;
 575            self.query_contains_error = false;
 576            self.clear_matches(cx);
 577            cx.notify();
 578        }
 579        self.update_matches(cx)
 580    }
 581
 582    fn render_action_button(
 583        &self,
 584        icon: &'static str,
 585        cx: &mut ViewContext<Self>,
 586    ) -> AnyElement<Self> {
 587        let tooltip = "Select All Matches";
 588        let tooltip_style = theme::current(cx).tooltip.clone();
 589
 590        let theme = theme::current(cx);
 591        let style = theme.search.action_button.clone();
 592
 593        gpui::elements::Component::element(SafeStylable::with_style(
 594            theme::components::action_button::Button::action(SelectAllMatches)
 595                .with_tooltip(tooltip, tooltip_style)
 596                .with_contents(theme::components::svg::Svg::new(icon)),
 597            style,
 598        ))
 599        .into_any()
 600    }
 601
 602    pub fn activate_search_mode(&mut self, mode: SearchMode, cx: &mut ViewContext<Self>) {
 603        assert_ne!(
 604            mode,
 605            SearchMode::Semantic,
 606            "Semantic search is not supported in buffer search"
 607        );
 608        if mode == self.current_mode {
 609            return;
 610        }
 611        self.current_mode = mode;
 612        let _ = self.update_matches(cx);
 613        cx.notify();
 614    }
 615
 616    fn deploy_bar(pane: &mut Pane, action: &Deploy, cx: &mut ViewContext<Pane>) {
 617        let mut propagate_action = true;
 618        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 619            search_bar.update(cx, |search_bar, cx| {
 620                if search_bar.deploy(action, cx) {
 621                    propagate_action = false;
 622                }
 623            });
 624        }
 625        if propagate_action {
 626            cx.propagate_action();
 627        }
 628    }
 629
 630    fn handle_editor_cancel(pane: &mut Pane, _: &editor::Cancel, cx: &mut ViewContext<Pane>) {
 631        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 632            if !search_bar.read(cx).dismissed {
 633                search_bar.update(cx, |search_bar, cx| search_bar.dismiss(&Dismiss, cx));
 634                return;
 635            }
 636        }
 637        cx.propagate_action();
 638    }
 639
 640    pub fn focus_editor(&mut self, _: &FocusEditor, cx: &mut ViewContext<Self>) {
 641        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 642            cx.focus(active_editor.as_any());
 643        }
 644    }
 645
 646    fn toggle_search_option(&mut self, search_option: SearchOptions, cx: &mut ViewContext<Self>) {
 647        self.search_options.toggle(search_option);
 648        self.default_options = self.search_options;
 649        let _ = self.update_matches(cx);
 650        cx.notify();
 651    }
 652
 653    pub fn set_search_options(
 654        &mut self,
 655        search_options: SearchOptions,
 656        cx: &mut ViewContext<Self>,
 657    ) {
 658        self.search_options = search_options;
 659        cx.notify();
 660    }
 661
 662    fn select_next_match(&mut self, _: &SelectNextMatch, cx: &mut ViewContext<Self>) {
 663        self.select_match(Direction::Next, 1, cx);
 664    }
 665
 666    fn select_prev_match(&mut self, _: &SelectPrevMatch, cx: &mut ViewContext<Self>) {
 667        self.select_match(Direction::Prev, 1, cx);
 668    }
 669
 670    fn select_all_matches(&mut self, _: &SelectAllMatches, cx: &mut ViewContext<Self>) {
 671        if !self.dismissed && self.active_match_index.is_some() {
 672            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 673                if let Some(matches) = self
 674                    .searchable_items_with_matches
 675                    .get(&searchable_item.downgrade())
 676                {
 677                    searchable_item.select_matches(matches, cx);
 678                    self.focus_editor(&FocusEditor, cx);
 679                }
 680            }
 681        }
 682    }
 683
 684    pub fn select_match(&mut self, direction: Direction, count: usize, cx: &mut ViewContext<Self>) {
 685        if let Some(index) = self.active_match_index {
 686            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 687                if let Some(matches) = self
 688                    .searchable_items_with_matches
 689                    .get(&searchable_item.downgrade())
 690                {
 691                    let new_match_index = searchable_item
 692                        .match_index_for_direction(matches, index, direction, count, cx);
 693                    searchable_item.update_matches(matches, cx);
 694                    searchable_item.activate_match(new_match_index, matches, cx);
 695                }
 696            }
 697        }
 698    }
 699
 700    pub fn select_last_match(&mut self, cx: &mut ViewContext<Self>) {
 701        if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 702            if let Some(matches) = self
 703                .searchable_items_with_matches
 704                .get(&searchable_item.downgrade())
 705            {
 706                if matches.len() == 0 {
 707                    return;
 708                }
 709                let new_match_index = matches.len() - 1;
 710                searchable_item.update_matches(matches, cx);
 711                searchable_item.activate_match(new_match_index, matches, cx);
 712            }
 713        }
 714    }
 715
 716    fn select_next_match_on_pane(
 717        pane: &mut Pane,
 718        action: &SelectNextMatch,
 719        cx: &mut ViewContext<Pane>,
 720    ) {
 721        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 722            search_bar.update(cx, |bar, cx| bar.select_next_match(action, cx));
 723        }
 724    }
 725
 726    fn select_prev_match_on_pane(
 727        pane: &mut Pane,
 728        action: &SelectPrevMatch,
 729        cx: &mut ViewContext<Pane>,
 730    ) {
 731        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 732            search_bar.update(cx, |bar, cx| bar.select_prev_match(action, cx));
 733        }
 734    }
 735
 736    fn select_all_matches_on_pane(
 737        pane: &mut Pane,
 738        action: &SelectAllMatches,
 739        cx: &mut ViewContext<Pane>,
 740    ) {
 741        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 742            search_bar.update(cx, |bar, cx| bar.select_all_matches(action, cx));
 743        }
 744    }
 745
 746    fn on_query_editor_event(
 747        &mut self,
 748        _: ViewHandle<Editor>,
 749        event: &editor::Event,
 750        cx: &mut ViewContext<Self>,
 751    ) {
 752        if let editor::Event::Edited { .. } = event {
 753            self.query_contains_error = false;
 754            self.clear_matches(cx);
 755            let search = self.update_matches(cx);
 756            cx.spawn(|this, mut cx| async move {
 757                search.await?;
 758                this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 759            })
 760            .detach_and_log_err(cx);
 761        }
 762    }
 763
 764    fn on_active_searchable_item_event(&mut self, event: SearchEvent, cx: &mut ViewContext<Self>) {
 765        match event {
 766            SearchEvent::MatchesInvalidated => {
 767                let _ = self.update_matches(cx);
 768            }
 769            SearchEvent::ActiveMatchChanged => self.update_match_index(cx),
 770        }
 771    }
 772
 773    fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
 774        let mut active_item_matches = None;
 775        for (searchable_item, matches) in self.searchable_items_with_matches.drain() {
 776            if let Some(searchable_item) =
 777                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 778            {
 779                if Some(&searchable_item) == self.active_searchable_item.as_ref() {
 780                    active_item_matches = Some((searchable_item.downgrade(), matches));
 781                } else {
 782                    searchable_item.clear_matches(cx);
 783                }
 784            }
 785        }
 786
 787        self.searchable_items_with_matches
 788            .extend(active_item_matches);
 789    }
 790
 791    fn update_matches(&mut self, cx: &mut ViewContext<Self>) -> oneshot::Receiver<()> {
 792        let (done_tx, done_rx) = oneshot::channel();
 793        let query = self.query(cx);
 794        self.pending_search.take();
 795
 796        if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 797            if query.is_empty() {
 798                self.active_match_index.take();
 799                active_searchable_item.clear_matches(cx);
 800                let _ = done_tx.send(());
 801                cx.notify();
 802            } else {
 803                let query: Arc<_> = if self.current_mode == SearchMode::Regex {
 804                    match SearchQuery::regex(
 805                        query,
 806                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 807                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 808                        Vec::new(),
 809                        Vec::new(),
 810                    ) {
 811                        Ok(query) => query.with_replacement(self.replacement(cx)),
 812                        Err(_) => {
 813                            self.query_contains_error = true;
 814                            cx.notify();
 815                            return done_rx;
 816                        }
 817                    }
 818                } else {
 819                    match SearchQuery::text(
 820                        query,
 821                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 822                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 823                        Vec::new(),
 824                        Vec::new(),
 825                    ) {
 826                        Ok(query) => query.with_replacement(self.replacement(cx)),
 827                        Err(_) => {
 828                            self.query_contains_error = true;
 829                            cx.notify();
 830                            return done_rx;
 831                        }
 832                    }
 833                }
 834                .into();
 835                self.active_search = Some(query.clone());
 836                let query_text = query.as_str().to_string();
 837                let matches = active_searchable_item.find_matches(query, cx);
 838
 839                let active_searchable_item = active_searchable_item.downgrade();
 840                self.pending_search = Some(cx.spawn(|this, mut cx| async move {
 841                    let matches = matches.await;
 842                    this.update(&mut cx, |this, cx| {
 843                        if let Some(active_searchable_item) =
 844                            WeakSearchableItemHandle::upgrade(active_searchable_item.as_ref(), cx)
 845                        {
 846                            this.searchable_items_with_matches
 847                                .insert(active_searchable_item.downgrade(), matches);
 848
 849                            this.update_match_index(cx);
 850                            this.search_history.add(query_text);
 851                            if !this.dismissed {
 852                                let matches = this
 853                                    .searchable_items_with_matches
 854                                    .get(&active_searchable_item.downgrade())
 855                                    .unwrap();
 856                                active_searchable_item.update_matches(matches, cx);
 857                                let _ = done_tx.send(());
 858                            }
 859                            cx.notify();
 860                        }
 861                    })
 862                    .log_err();
 863                }));
 864            }
 865        }
 866        done_rx
 867    }
 868
 869    fn update_match_index(&mut self, cx: &mut ViewContext<Self>) {
 870        let new_index = self
 871            .active_searchable_item
 872            .as_ref()
 873            .and_then(|searchable_item| {
 874                let matches = self
 875                    .searchable_items_with_matches
 876                    .get(&searchable_item.downgrade())?;
 877                searchable_item.active_match_index(matches, cx)
 878            });
 879        if new_index != self.active_match_index {
 880            self.active_match_index = new_index;
 881            cx.notify();
 882        }
 883    }
 884
 885    fn next_history_query(&mut self, _: &NextHistoryQuery, cx: &mut ViewContext<Self>) {
 886        if let Some(new_query) = self.search_history.next().map(str::to_string) {
 887            let _ = self.search(&new_query, Some(self.search_options), cx);
 888        } else {
 889            self.search_history.reset_selection();
 890            let _ = self.search("", Some(self.search_options), cx);
 891        }
 892    }
 893
 894    fn previous_history_query(&mut self, _: &PreviousHistoryQuery, cx: &mut ViewContext<Self>) {
 895        if self.query(cx).is_empty() {
 896            if let Some(new_query) = self.search_history.current().map(str::to_string) {
 897                let _ = self.search(&new_query, Some(self.search_options), cx);
 898                return;
 899            }
 900        }
 901
 902        if let Some(new_query) = self.search_history.previous().map(str::to_string) {
 903            let _ = self.search(&new_query, Some(self.search_options), cx);
 904        }
 905    }
 906    fn cycle_mode(&mut self, _: &CycleMode, cx: &mut ViewContext<Self>) {
 907        self.activate_search_mode(next_mode(&self.current_mode, false), cx);
 908    }
 909    fn cycle_mode_on_pane(pane: &mut Pane, action: &CycleMode, cx: &mut ViewContext<Pane>) {
 910        let mut should_propagate = true;
 911        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 912            search_bar.update(cx, |bar, cx| {
 913                if bar.show(cx) {
 914                    should_propagate = false;
 915                    bar.cycle_mode(action, cx);
 916                    false
 917                } else {
 918                    true
 919                }
 920            });
 921        }
 922        if should_propagate {
 923            cx.propagate_action();
 924        }
 925    }
 926    fn toggle_replace(&mut self, _: &ToggleReplace, cx: &mut ViewContext<Self>) {
 927        if let Some(_) = &self.active_searchable_item {
 928            self.replace_enabled = !self.replace_enabled;
 929            if !self.replace_enabled {
 930                cx.focus(&self.query_editor);
 931            }
 932            cx.notify();
 933        }
 934    }
 935    fn toggle_replace_on_a_pane(pane: &mut Pane, _: &ToggleReplace, cx: &mut ViewContext<Pane>) {
 936        let mut should_propagate = true;
 937        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 938            search_bar.update(cx, |bar, cx| {
 939                if let Some(_) = &bar.active_searchable_item {
 940                    should_propagate = false;
 941                    bar.replace_enabled = !bar.replace_enabled;
 942                    if bar.dismissed {
 943                        bar.show(cx);
 944                    }
 945                    if !bar.replace_enabled {
 946                        cx.focus(&bar.query_editor);
 947                    }
 948                    cx.notify();
 949                }
 950            });
 951        }
 952        if should_propagate {
 953            cx.propagate_action();
 954        }
 955    }
 956    fn replace_next(&mut self, _: &ReplaceNext, cx: &mut ViewContext<Self>) {
 957        let mut should_propagate = true;
 958        if !self.dismissed && self.active_search.is_some() {
 959            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 960                if let Some(query) = self.active_search.as_ref() {
 961                    if let Some(matches) = self
 962                        .searchable_items_with_matches
 963                        .get(&searchable_item.downgrade())
 964                    {
 965                        if let Some(active_index) = self.active_match_index {
 966                            let query = query
 967                                .as_ref()
 968                                .clone()
 969                                .with_replacement(self.replacement(cx));
 970                            searchable_item.replace(&matches[active_index], &query, cx);
 971                            self.select_next_match(&SelectNextMatch, cx);
 972                        }
 973                        should_propagate = false;
 974                        self.focus_editor(&FocusEditor, cx);
 975                    }
 976                }
 977            }
 978        }
 979        if should_propagate {
 980            cx.propagate_action();
 981        }
 982    }
 983    pub fn replace_all(&mut self, _: &ReplaceAll, cx: &mut ViewContext<Self>) {
 984        if !self.dismissed && self.active_search.is_some() {
 985            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 986                if let Some(query) = self.active_search.as_ref() {
 987                    if let Some(matches) = self
 988                        .searchable_items_with_matches
 989                        .get(&searchable_item.downgrade())
 990                    {
 991                        let query = query
 992                            .as_ref()
 993                            .clone()
 994                            .with_replacement(self.replacement(cx));
 995                        for m in matches {
 996                            searchable_item.replace(m, &query, cx);
 997                        }
 998                    }
 999                }
1000            }
1001        }
1002    }
1003    fn replace_next_on_pane(pane: &mut Pane, action: &ReplaceNext, cx: &mut ViewContext<Pane>) {
1004        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
1005            search_bar.update(cx, |bar, cx| bar.replace_next(action, cx));
1006            return;
1007        }
1008        cx.propagate_action();
1009    }
1010    fn replace_all_on_pane(pane: &mut Pane, action: &ReplaceAll, cx: &mut ViewContext<Pane>) {
1011        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
1012            search_bar.update(cx, |bar, cx| bar.replace_all(action, cx));
1013            return;
1014        }
1015        cx.propagate_action();
1016    }
1017}
1018
1019#[cfg(test)]
1020mod tests {
1021    use super::*;
1022    use editor::{DisplayPoint, Editor};
1023    use gpui::{color::Color, test::EmptyView, TestAppContext};
1024    use language::Buffer;
1025    use unindent::Unindent as _;
1026
1027    fn init_test(cx: &mut TestAppContext) -> (ViewHandle<Editor>, ViewHandle<BufferSearchBar>) {
1028        crate::project_search::tests::init_test(cx);
1029
1030        let buffer = cx.add_model(|cx| {
1031            Buffer::new(
1032                0,
1033                cx.model_id() as u64,
1034                r#"
1035                A regular expression (shortened as regex or regexp;[1] also referred to as
1036                rational expression[2][3]) is a sequence of characters that specifies a search
1037                pattern in text. Usually such patterns are used by string-searching algorithms
1038                for "find" or "find and replace" operations on strings, or for input validation.
1039                "#
1040                .unindent(),
1041            )
1042        });
1043        let window = cx.add_window(|_| EmptyView);
1044        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1045
1046        let search_bar = window.add_view(cx, |cx| {
1047            let mut search_bar = BufferSearchBar::new(cx);
1048            search_bar.set_active_pane_item(Some(&editor), cx);
1049            search_bar.show(cx);
1050            search_bar
1051        });
1052
1053        (editor, search_bar)
1054    }
1055
1056    #[gpui::test]
1057    async fn test_search_simple(cx: &mut TestAppContext) {
1058        let (editor, search_bar) = init_test(cx);
1059
1060        // Search for a string that appears with different casing.
1061        // By default, search is case-insensitive.
1062        search_bar
1063            .update(cx, |search_bar, cx| search_bar.search("us", None, cx))
1064            .await
1065            .unwrap();
1066        editor.update(cx, |editor, cx| {
1067            assert_eq!(
1068                editor.all_text_background_highlights(cx),
1069                &[
1070                    (
1071                        DisplayPoint::new(2, 17)..DisplayPoint::new(2, 19),
1072                        Color::red(),
1073                    ),
1074                    (
1075                        DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1076                        Color::red(),
1077                    ),
1078                ]
1079            );
1080        });
1081
1082        // Switch to a case sensitive search.
1083        search_bar.update(cx, |search_bar, cx| {
1084            search_bar.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx);
1085        });
1086        editor.next_notification(cx).await;
1087        editor.update(cx, |editor, cx| {
1088            assert_eq!(
1089                editor.all_text_background_highlights(cx),
1090                &[(
1091                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1092                    Color::red(),
1093                )]
1094            );
1095        });
1096
1097        // Search for a string that appears both as a whole word and
1098        // within other words. By default, all results are found.
1099        search_bar
1100            .update(cx, |search_bar, cx| search_bar.search("or", None, cx))
1101            .await
1102            .unwrap();
1103        editor.update(cx, |editor, cx| {
1104            assert_eq!(
1105                editor.all_text_background_highlights(cx),
1106                &[
1107                    (
1108                        DisplayPoint::new(0, 24)..DisplayPoint::new(0, 26),
1109                        Color::red(),
1110                    ),
1111                    (
1112                        DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1113                        Color::red(),
1114                    ),
1115                    (
1116                        DisplayPoint::new(2, 71)..DisplayPoint::new(2, 73),
1117                        Color::red(),
1118                    ),
1119                    (
1120                        DisplayPoint::new(3, 1)..DisplayPoint::new(3, 3),
1121                        Color::red(),
1122                    ),
1123                    (
1124                        DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1125                        Color::red(),
1126                    ),
1127                    (
1128                        DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1129                        Color::red(),
1130                    ),
1131                    (
1132                        DisplayPoint::new(3, 60)..DisplayPoint::new(3, 62),
1133                        Color::red(),
1134                    ),
1135                ]
1136            );
1137        });
1138
1139        // Switch to a whole word search.
1140        search_bar.update(cx, |search_bar, cx| {
1141            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx);
1142        });
1143        editor.next_notification(cx).await;
1144        editor.update(cx, |editor, cx| {
1145            assert_eq!(
1146                editor.all_text_background_highlights(cx),
1147                &[
1148                    (
1149                        DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1150                        Color::red(),
1151                    ),
1152                    (
1153                        DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1154                        Color::red(),
1155                    ),
1156                    (
1157                        DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1158                        Color::red(),
1159                    ),
1160                ]
1161            );
1162        });
1163
1164        editor.update(cx, |editor, cx| {
1165            editor.change_selections(None, cx, |s| {
1166                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1167            });
1168        });
1169        search_bar.update(cx, |search_bar, cx| {
1170            assert_eq!(search_bar.active_match_index, Some(0));
1171            search_bar.select_next_match(&SelectNextMatch, cx);
1172            assert_eq!(
1173                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1174                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1175            );
1176        });
1177        search_bar.read_with(cx, |search_bar, _| {
1178            assert_eq!(search_bar.active_match_index, Some(0));
1179        });
1180
1181        search_bar.update(cx, |search_bar, cx| {
1182            search_bar.select_next_match(&SelectNextMatch, cx);
1183            assert_eq!(
1184                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1185                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1186            );
1187        });
1188        search_bar.read_with(cx, |search_bar, _| {
1189            assert_eq!(search_bar.active_match_index, Some(1));
1190        });
1191
1192        search_bar.update(cx, |search_bar, cx| {
1193            search_bar.select_next_match(&SelectNextMatch, cx);
1194            assert_eq!(
1195                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1196                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1197            );
1198        });
1199        search_bar.read_with(cx, |search_bar, _| {
1200            assert_eq!(search_bar.active_match_index, Some(2));
1201        });
1202
1203        search_bar.update(cx, |search_bar, cx| {
1204            search_bar.select_next_match(&SelectNextMatch, cx);
1205            assert_eq!(
1206                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1207                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1208            );
1209        });
1210        search_bar.read_with(cx, |search_bar, _| {
1211            assert_eq!(search_bar.active_match_index, Some(0));
1212        });
1213
1214        search_bar.update(cx, |search_bar, cx| {
1215            search_bar.select_prev_match(&SelectPrevMatch, cx);
1216            assert_eq!(
1217                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1218                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1219            );
1220        });
1221        search_bar.read_with(cx, |search_bar, _| {
1222            assert_eq!(search_bar.active_match_index, Some(2));
1223        });
1224
1225        search_bar.update(cx, |search_bar, cx| {
1226            search_bar.select_prev_match(&SelectPrevMatch, cx);
1227            assert_eq!(
1228                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1229                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1230            );
1231        });
1232        search_bar.read_with(cx, |search_bar, _| {
1233            assert_eq!(search_bar.active_match_index, Some(1));
1234        });
1235
1236        search_bar.update(cx, |search_bar, cx| {
1237            search_bar.select_prev_match(&SelectPrevMatch, cx);
1238            assert_eq!(
1239                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1240                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1241            );
1242        });
1243        search_bar.read_with(cx, |search_bar, _| {
1244            assert_eq!(search_bar.active_match_index, Some(0));
1245        });
1246
1247        // Park the cursor in between matches and ensure that going to the previous match selects
1248        // the closest match to the left.
1249        editor.update(cx, |editor, cx| {
1250            editor.change_selections(None, cx, |s| {
1251                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1252            });
1253        });
1254        search_bar.update(cx, |search_bar, cx| {
1255            assert_eq!(search_bar.active_match_index, Some(1));
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(0, 41)..DisplayPoint::new(0, 43)]
1260            );
1261        });
1262        search_bar.read_with(cx, |search_bar, _| {
1263            assert_eq!(search_bar.active_match_index, Some(0));
1264        });
1265
1266        // Park the cursor in between matches and ensure that going to the next match selects the
1267        // closest match to the right.
1268        editor.update(cx, |editor, cx| {
1269            editor.change_selections(None, cx, |s| {
1270                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1271            });
1272        });
1273        search_bar.update(cx, |search_bar, cx| {
1274            assert_eq!(search_bar.active_match_index, Some(1));
1275            search_bar.select_next_match(&SelectNextMatch, cx);
1276            assert_eq!(
1277                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1278                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1279            );
1280        });
1281        search_bar.read_with(cx, |search_bar, _| {
1282            assert_eq!(search_bar.active_match_index, Some(1));
1283        });
1284
1285        // Park the cursor after the last match and ensure that going to the previous match selects
1286        // the last match.
1287        editor.update(cx, |editor, cx| {
1288            editor.change_selections(None, cx, |s| {
1289                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1290            });
1291        });
1292        search_bar.update(cx, |search_bar, cx| {
1293            assert_eq!(search_bar.active_match_index, Some(2));
1294            search_bar.select_prev_match(&SelectPrevMatch, cx);
1295            assert_eq!(
1296                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1297                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1298            );
1299        });
1300        search_bar.read_with(cx, |search_bar, _| {
1301            assert_eq!(search_bar.active_match_index, Some(2));
1302        });
1303
1304        // Park the cursor after the last match and ensure that going to the next match selects the
1305        // first match.
1306        editor.update(cx, |editor, cx| {
1307            editor.change_selections(None, cx, |s| {
1308                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1309            });
1310        });
1311        search_bar.update(cx, |search_bar, cx| {
1312            assert_eq!(search_bar.active_match_index, Some(2));
1313            search_bar.select_next_match(&SelectNextMatch, cx);
1314            assert_eq!(
1315                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1316                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1317            );
1318        });
1319        search_bar.read_with(cx, |search_bar, _| {
1320            assert_eq!(search_bar.active_match_index, Some(0));
1321        });
1322
1323        // Park the cursor before the first match and ensure that going to the previous match
1324        // selects the last match.
1325        editor.update(cx, |editor, cx| {
1326            editor.change_selections(None, cx, |s| {
1327                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1328            });
1329        });
1330        search_bar.update(cx, |search_bar, cx| {
1331            assert_eq!(search_bar.active_match_index, Some(0));
1332            search_bar.select_prev_match(&SelectPrevMatch, cx);
1333            assert_eq!(
1334                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1335                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1336            );
1337        });
1338        search_bar.read_with(cx, |search_bar, _| {
1339            assert_eq!(search_bar.active_match_index, Some(2));
1340        });
1341    }
1342
1343    #[gpui::test]
1344    async fn test_search_option_handling(cx: &mut TestAppContext) {
1345        let (editor, search_bar) = init_test(cx);
1346
1347        // show with options should make current search case sensitive
1348        search_bar
1349            .update(cx, |search_bar, cx| {
1350                search_bar.show(cx);
1351                search_bar.search("us", Some(SearchOptions::CASE_SENSITIVE), cx)
1352            })
1353            .await
1354            .unwrap();
1355        editor.update(cx, |editor, cx| {
1356            assert_eq!(
1357                editor.all_text_background_highlights(cx),
1358                &[(
1359                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1360                    Color::red(),
1361                )]
1362            );
1363        });
1364
1365        // search_suggested should restore default options
1366        search_bar.update(cx, |search_bar, cx| {
1367            search_bar.search_suggested(cx);
1368            assert_eq!(search_bar.search_options, SearchOptions::NONE)
1369        });
1370
1371        // toggling a search option should update the defaults
1372        search_bar
1373            .update(cx, |search_bar, cx| {
1374                search_bar.search("regex", Some(SearchOptions::CASE_SENSITIVE), cx)
1375            })
1376            .await
1377            .unwrap();
1378        search_bar.update(cx, |search_bar, cx| {
1379            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
1380        });
1381        editor.next_notification(cx).await;
1382        editor.update(cx, |editor, cx| {
1383            assert_eq!(
1384                editor.all_text_background_highlights(cx),
1385                &[(
1386                    DisplayPoint::new(0, 35)..DisplayPoint::new(0, 40),
1387                    Color::red(),
1388                ),]
1389            );
1390        });
1391
1392        // defaults should still include whole word
1393        search_bar.update(cx, |search_bar, cx| {
1394            search_bar.search_suggested(cx);
1395            assert_eq!(
1396                search_bar.search_options,
1397                SearchOptions::CASE_SENSITIVE | SearchOptions::WHOLE_WORD
1398            )
1399        });
1400    }
1401
1402    #[gpui::test]
1403    async fn test_search_select_all_matches(cx: &mut TestAppContext) {
1404        crate::project_search::tests::init_test(cx);
1405
1406        let buffer_text = r#"
1407        A regular expression (shortened as regex or regexp;[1] also referred to as
1408        rational expression[2][3]) is a sequence of characters that specifies a search
1409        pattern in text. Usually such patterns are used by string-searching algorithms
1410        for "find" or "find and replace" operations on strings, or for input validation.
1411        "#
1412        .unindent();
1413        let expected_query_matches_count = buffer_text
1414            .chars()
1415            .filter(|c| c.to_ascii_lowercase() == 'a')
1416            .count();
1417        assert!(
1418            expected_query_matches_count > 1,
1419            "Should pick a query with multiple results"
1420        );
1421        let buffer = cx.add_model(|cx| Buffer::new(0, cx.model_id() as u64, buffer_text));
1422        let window = cx.add_window(|_| EmptyView);
1423        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1424
1425        let search_bar = window.add_view(cx, |cx| {
1426            let mut search_bar = BufferSearchBar::new(cx);
1427            search_bar.set_active_pane_item(Some(&editor), cx);
1428            search_bar.show(cx);
1429            search_bar
1430        });
1431
1432        search_bar
1433            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1434            .await
1435            .unwrap();
1436        search_bar.update(cx, |search_bar, cx| {
1437            cx.focus(search_bar.query_editor.as_any());
1438            search_bar.activate_current_match(cx);
1439        });
1440
1441        window.read_with(cx, |cx| {
1442            assert!(
1443                !editor.is_focused(cx),
1444                "Initially, the editor should not be focused"
1445            );
1446        });
1447
1448        let initial_selections = editor.update(cx, |editor, cx| {
1449            let initial_selections = editor.selections.display_ranges(cx);
1450            assert_eq!(
1451                initial_selections.len(), 1,
1452                "Expected to have only one selection before adding carets to all matches, but got: {initial_selections:?}",
1453            );
1454            initial_selections
1455        });
1456        search_bar.update(cx, |search_bar, _| {
1457            assert_eq!(search_bar.active_match_index, Some(0));
1458        });
1459
1460        search_bar.update(cx, |search_bar, cx| {
1461            cx.focus(search_bar.query_editor.as_any());
1462            search_bar.select_all_matches(&SelectAllMatches, cx);
1463        });
1464        window.read_with(cx, |cx| {
1465            assert!(
1466                editor.is_focused(cx),
1467                "Should focus editor after successful SelectAllMatches"
1468            );
1469        });
1470        search_bar.update(cx, |search_bar, cx| {
1471            let all_selections =
1472                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1473            assert_eq!(
1474                all_selections.len(),
1475                expected_query_matches_count,
1476                "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1477            );
1478            assert_eq!(
1479                search_bar.active_match_index,
1480                Some(0),
1481                "Match index should not change after selecting all matches"
1482            );
1483        });
1484
1485        search_bar.update(cx, |search_bar, cx| {
1486            search_bar.select_next_match(&SelectNextMatch, cx);
1487        });
1488        window.read_with(cx, |cx| {
1489            assert!(
1490                editor.is_focused(cx),
1491                "Should still have editor focused after SelectNextMatch"
1492            );
1493        });
1494        search_bar.update(cx, |search_bar, cx| {
1495            let all_selections =
1496                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1497            assert_eq!(
1498                all_selections.len(),
1499                1,
1500                "On next match, should deselect items and select the next match"
1501            );
1502            assert_ne!(
1503                all_selections, initial_selections,
1504                "Next match should be different from the first selection"
1505            );
1506            assert_eq!(
1507                search_bar.active_match_index,
1508                Some(1),
1509                "Match index should be updated to the next one"
1510            );
1511        });
1512
1513        search_bar.update(cx, |search_bar, cx| {
1514            cx.focus(search_bar.query_editor.as_any());
1515            search_bar.select_all_matches(&SelectAllMatches, cx);
1516        });
1517        window.read_with(cx, |cx| {
1518            assert!(
1519                editor.is_focused(cx),
1520                "Should focus editor after successful SelectAllMatches"
1521            );
1522        });
1523        search_bar.update(cx, |search_bar, cx| {
1524            let all_selections =
1525                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1526            assert_eq!(
1527                all_selections.len(),
1528                expected_query_matches_count,
1529                "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1530            );
1531            assert_eq!(
1532                search_bar.active_match_index,
1533                Some(1),
1534                "Match index should not change after selecting all matches"
1535            );
1536        });
1537
1538        search_bar.update(cx, |search_bar, cx| {
1539            search_bar.select_prev_match(&SelectPrevMatch, cx);
1540        });
1541        window.read_with(cx, |cx| {
1542            assert!(
1543                editor.is_focused(cx),
1544                "Should still have editor focused after SelectPrevMatch"
1545            );
1546        });
1547        let last_match_selections = search_bar.update(cx, |search_bar, cx| {
1548            let all_selections =
1549                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1550            assert_eq!(
1551                all_selections.len(),
1552                1,
1553                "On previous match, should deselect items and select the previous item"
1554            );
1555            assert_eq!(
1556                all_selections, initial_selections,
1557                "Previous match should be the same as the first selection"
1558            );
1559            assert_eq!(
1560                search_bar.active_match_index,
1561                Some(0),
1562                "Match index should be updated to the previous one"
1563            );
1564            all_selections
1565        });
1566
1567        search_bar
1568            .update(cx, |search_bar, cx| {
1569                cx.focus(search_bar.query_editor.as_any());
1570                search_bar.search("abas_nonexistent_match", None, cx)
1571            })
1572            .await
1573            .unwrap();
1574        search_bar.update(cx, |search_bar, cx| {
1575            search_bar.select_all_matches(&SelectAllMatches, cx);
1576        });
1577        window.read_with(cx, |cx| {
1578            assert!(
1579                !editor.is_focused(cx),
1580                "Should not switch focus to editor if SelectAllMatches does not find any matches"
1581            );
1582        });
1583        search_bar.update(cx, |search_bar, cx| {
1584            let all_selections =
1585                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1586            assert_eq!(
1587                all_selections, last_match_selections,
1588                "Should not select anything new if there are no matches"
1589            );
1590            assert!(
1591                search_bar.active_match_index.is_none(),
1592                "For no matches, there should be no active match index"
1593            );
1594        });
1595    }
1596
1597    #[gpui::test]
1598    async fn test_search_query_history(cx: &mut TestAppContext) {
1599        crate::project_search::tests::init_test(cx);
1600
1601        let buffer_text = r#"
1602        A regular expression (shortened as regex or regexp;[1] also referred to as
1603        rational expression[2][3]) is a sequence of characters that specifies a search
1604        pattern in text. Usually such patterns are used by string-searching algorithms
1605        for "find" or "find and replace" operations on strings, or for input validation.
1606        "#
1607        .unindent();
1608        let buffer = cx.add_model(|cx| Buffer::new(0, cx.model_id() as u64, buffer_text));
1609        let window = cx.add_window(|_| EmptyView);
1610
1611        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1612
1613        let search_bar = window.add_view(cx, |cx| {
1614            let mut search_bar = BufferSearchBar::new(cx);
1615            search_bar.set_active_pane_item(Some(&editor), cx);
1616            search_bar.show(cx);
1617            search_bar
1618        });
1619
1620        // Add 3 search items into the history.
1621        search_bar
1622            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1623            .await
1624            .unwrap();
1625        search_bar
1626            .update(cx, |search_bar, cx| search_bar.search("b", None, cx))
1627            .await
1628            .unwrap();
1629        search_bar
1630            .update(cx, |search_bar, cx| {
1631                search_bar.search("c", Some(SearchOptions::CASE_SENSITIVE), cx)
1632            })
1633            .await
1634            .unwrap();
1635        // Ensure that the latest search is active.
1636        search_bar.read_with(cx, |search_bar, cx| {
1637            assert_eq!(search_bar.query(cx), "c");
1638            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1639        });
1640
1641        // Next history query after the latest should set the query to the empty string.
1642        search_bar.update(cx, |search_bar, cx| {
1643            search_bar.next_history_query(&NextHistoryQuery, cx);
1644        });
1645        search_bar.read_with(cx, |search_bar, cx| {
1646            assert_eq!(search_bar.query(cx), "");
1647            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1648        });
1649        search_bar.update(cx, |search_bar, cx| {
1650            search_bar.next_history_query(&NextHistoryQuery, cx);
1651        });
1652        search_bar.read_with(cx, |search_bar, cx| {
1653            assert_eq!(search_bar.query(cx), "");
1654            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1655        });
1656
1657        // First previous query for empty current query should set the query to the latest.
1658        search_bar.update(cx, |search_bar, cx| {
1659            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1660        });
1661        search_bar.read_with(cx, |search_bar, cx| {
1662            assert_eq!(search_bar.query(cx), "c");
1663            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1664        });
1665
1666        // Further previous items should go over the history in reverse order.
1667        search_bar.update(cx, |search_bar, cx| {
1668            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1669        });
1670        search_bar.read_with(cx, |search_bar, cx| {
1671            assert_eq!(search_bar.query(cx), "b");
1672            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1673        });
1674
1675        // Previous items should never go behind the first history item.
1676        search_bar.update(cx, |search_bar, cx| {
1677            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1678        });
1679        search_bar.read_with(cx, |search_bar, cx| {
1680            assert_eq!(search_bar.query(cx), "a");
1681            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1682        });
1683        search_bar.update(cx, |search_bar, cx| {
1684            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1685        });
1686        search_bar.read_with(cx, |search_bar, cx| {
1687            assert_eq!(search_bar.query(cx), "a");
1688            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1689        });
1690
1691        // Next items should go over the history in the original order.
1692        search_bar.update(cx, |search_bar, cx| {
1693            search_bar.next_history_query(&NextHistoryQuery, cx);
1694        });
1695        search_bar.read_with(cx, |search_bar, cx| {
1696            assert_eq!(search_bar.query(cx), "b");
1697            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1698        });
1699
1700        search_bar
1701            .update(cx, |search_bar, cx| search_bar.search("ba", None, cx))
1702            .await
1703            .unwrap();
1704        search_bar.read_with(cx, |search_bar, cx| {
1705            assert_eq!(search_bar.query(cx), "ba");
1706            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1707        });
1708
1709        // New search input should add another entry to history and move the selection to the end of the history.
1710        search_bar.update(cx, |search_bar, cx| {
1711            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1712        });
1713        search_bar.read_with(cx, |search_bar, cx| {
1714            assert_eq!(search_bar.query(cx), "c");
1715            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1716        });
1717        search_bar.update(cx, |search_bar, cx| {
1718            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1719        });
1720        search_bar.read_with(cx, |search_bar, cx| {
1721            assert_eq!(search_bar.query(cx), "b");
1722            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1723        });
1724        search_bar.update(cx, |search_bar, cx| {
1725            search_bar.next_history_query(&NextHistoryQuery, cx);
1726        });
1727        search_bar.read_with(cx, |search_bar, cx| {
1728            assert_eq!(search_bar.query(cx), "c");
1729            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1730        });
1731        search_bar.update(cx, |search_bar, cx| {
1732            search_bar.next_history_query(&NextHistoryQuery, cx);
1733        });
1734        search_bar.read_with(cx, |search_bar, cx| {
1735            assert_eq!(search_bar.query(cx), "ba");
1736            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1737        });
1738        search_bar.update(cx, |search_bar, cx| {
1739            search_bar.next_history_query(&NextHistoryQuery, cx);
1740        });
1741        search_bar.read_with(cx, |search_bar, cx| {
1742            assert_eq!(search_bar.query(cx), "");
1743            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1744        });
1745    }
1746    #[gpui::test]
1747    async fn test_replace_simple(cx: &mut TestAppContext) {
1748        let (editor, search_bar) = init_test(cx);
1749
1750        search_bar
1751            .update(cx, |search_bar, cx| {
1752                search_bar.search("expression", None, cx)
1753            })
1754            .await
1755            .unwrap();
1756
1757        search_bar.update(cx, |search_bar, cx| {
1758            search_bar.replacement_editor.update(cx, |editor, cx| {
1759                // We use $1 here as initially we should be in Text mode, where `$1` should be treated literally.
1760                editor.set_text("expr$1", cx);
1761            });
1762            search_bar.replace_all(&ReplaceAll, cx)
1763        });
1764        assert_eq!(
1765            editor.read_with(cx, |this, cx| { this.text(cx) }),
1766            r#"
1767        A regular expr$1 (shortened as regex or regexp;[1] also referred to as
1768        rational expr$1[2][3]) is a sequence of characters that specifies a search
1769        pattern in text. Usually such patterns are used by string-searching algorithms
1770        for "find" or "find and replace" operations on strings, or for input validation.
1771        "#
1772            .unindent()
1773        );
1774
1775        // Search for word boundaries and replace just a single one.
1776        search_bar
1777            .update(cx, |search_bar, cx| {
1778                search_bar.search("or", Some(SearchOptions::WHOLE_WORD), cx)
1779            })
1780            .await
1781            .unwrap();
1782
1783        search_bar.update(cx, |search_bar, cx| {
1784            search_bar.replacement_editor.update(cx, |editor, cx| {
1785                editor.set_text("banana", cx);
1786            });
1787            search_bar.replace_next(&ReplaceNext, cx)
1788        });
1789        // Notice how the first or in the text (shORtened) is not replaced. Neither are the remaining hits of `or` in the text.
1790        assert_eq!(
1791            editor.read_with(cx, |this, cx| { this.text(cx) }),
1792            r#"
1793        A regular expr$1 (shortened as regex banana regexp;[1] also referred to as
1794        rational expr$1[2][3]) is a sequence of characters that specifies a search
1795        pattern in text. Usually such patterns are used by string-searching algorithms
1796        for "find" or "find and replace" operations on strings, or for input validation.
1797        "#
1798            .unindent()
1799        );
1800        // Let's turn on regex mode.
1801        search_bar
1802            .update(cx, |search_bar, cx| {
1803                search_bar.activate_search_mode(SearchMode::Regex, cx);
1804                search_bar.search("\\[([^\\]]+)\\]", None, cx)
1805            })
1806            .await
1807            .unwrap();
1808        search_bar.update(cx, |search_bar, cx| {
1809            search_bar.replacement_editor.update(cx, |editor, cx| {
1810                editor.set_text("${1}number", cx);
1811            });
1812            search_bar.replace_all(&ReplaceAll, cx)
1813        });
1814        assert_eq!(
1815            editor.read_with(cx, |this, cx| { this.text(cx) }),
1816            r#"
1817        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1818        rational expr$12number3number) is a sequence of characters that specifies a search
1819        pattern in text. Usually such patterns are used by string-searching algorithms
1820        for "find" or "find and replace" operations on strings, or for input validation.
1821        "#
1822            .unindent()
1823        );
1824        // Now with a whole-word twist.
1825        search_bar
1826            .update(cx, |search_bar, cx| {
1827                search_bar.activate_search_mode(SearchMode::Regex, cx);
1828                search_bar.search("a\\w+s", Some(SearchOptions::WHOLE_WORD), cx)
1829            })
1830            .await
1831            .unwrap();
1832        search_bar.update(cx, |search_bar, cx| {
1833            search_bar.replacement_editor.update(cx, |editor, cx| {
1834                editor.set_text("things", cx);
1835            });
1836            search_bar.replace_all(&ReplaceAll, cx)
1837        });
1838        // The only word affected by this edit should be `algorithms`, even though there's a bunch
1839        // of words in this text that would match this regex if not for WHOLE_WORD.
1840        assert_eq!(
1841            editor.read_with(cx, |this, cx| { this.text(cx) }),
1842            r#"
1843        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1844        rational expr$12number3number) is a sequence of characters that specifies a search
1845        pattern in text. Usually such patterns are used by string-searching things
1846        for "find" or "find and replace" operations on strings, or for input validation.
1847        "#
1848            .unindent()
1849        );
1850    }
1851}