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_is_active: 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_is_active && 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_is_active,
 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_children(switches_column)
 351            .with_children(replacement)
 352            .with_child(mode_column)
 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_is_active: 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    }
 541
 542    pub fn search(
 543        &mut self,
 544        query: &str,
 545        options: Option<SearchOptions>,
 546        cx: &mut ViewContext<Self>,
 547    ) -> oneshot::Receiver<()> {
 548        let options = options.unwrap_or(self.default_options);
 549        if query != self.query(cx) || self.search_options != options {
 550            self.query_editor.update(cx, |query_editor, cx| {
 551                query_editor.buffer().update(cx, |query_buffer, cx| {
 552                    let len = query_buffer.len(cx);
 553                    query_buffer.edit([(0..len, query)], None, cx);
 554                });
 555            });
 556            self.search_options = options;
 557            self.query_contains_error = false;
 558            self.clear_matches(cx);
 559            cx.notify();
 560        }
 561        self.update_matches(cx)
 562    }
 563
 564    fn render_action_button(
 565        &self,
 566        icon: &'static str,
 567        cx: &mut ViewContext<Self>,
 568    ) -> AnyElement<Self> {
 569        let tooltip = "Select All Matches";
 570        let tooltip_style = theme::current(cx).tooltip.clone();
 571
 572        let theme = theme::current(cx);
 573        let style = theme.search.action_button.clone();
 574
 575        gpui::elements::Component::element(SafeStylable::with_style(
 576            theme::components::action_button::Button::action(SelectAllMatches)
 577                .with_tooltip(tooltip, tooltip_style)
 578                .with_contents(theme::components::svg::Svg::new(icon)),
 579            style,
 580        ))
 581        .into_any()
 582    }
 583
 584    pub fn activate_search_mode(&mut self, mode: SearchMode, cx: &mut ViewContext<Self>) {
 585        assert_ne!(
 586            mode,
 587            SearchMode::Semantic,
 588            "Semantic search is not supported in buffer search"
 589        );
 590        if mode == self.current_mode {
 591            return;
 592        }
 593        self.current_mode = mode;
 594        let _ = self.update_matches(cx);
 595        cx.notify();
 596    }
 597
 598    fn deploy_bar(pane: &mut Pane, action: &Deploy, cx: &mut ViewContext<Pane>) {
 599        let mut propagate_action = true;
 600        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 601            search_bar.update(cx, |search_bar, cx| {
 602                if search_bar.deploy(action, cx) {
 603                    propagate_action = false;
 604                }
 605            });
 606        }
 607        if propagate_action {
 608            cx.propagate_action();
 609        }
 610    }
 611
 612    fn handle_editor_cancel(pane: &mut Pane, _: &editor::Cancel, cx: &mut ViewContext<Pane>) {
 613        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 614            if !search_bar.read(cx).dismissed {
 615                search_bar.update(cx, |search_bar, cx| search_bar.dismiss(&Dismiss, cx));
 616                return;
 617            }
 618        }
 619        cx.propagate_action();
 620    }
 621
 622    pub fn focus_editor(&mut self, _: &FocusEditor, cx: &mut ViewContext<Self>) {
 623        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 624            cx.focus(active_editor.as_any());
 625        }
 626    }
 627
 628    fn toggle_search_option(&mut self, search_option: SearchOptions, cx: &mut ViewContext<Self>) {
 629        self.search_options.toggle(search_option);
 630        self.default_options = self.search_options;
 631        let _ = self.update_matches(cx);
 632        cx.notify();
 633    }
 634
 635    pub fn set_search_options(
 636        &mut self,
 637        search_options: SearchOptions,
 638        cx: &mut ViewContext<Self>,
 639    ) {
 640        self.search_options = search_options;
 641        cx.notify();
 642    }
 643
 644    fn select_next_match(&mut self, _: &SelectNextMatch, cx: &mut ViewContext<Self>) {
 645        self.select_match(Direction::Next, 1, cx);
 646    }
 647
 648    fn select_prev_match(&mut self, _: &SelectPrevMatch, cx: &mut ViewContext<Self>) {
 649        self.select_match(Direction::Prev, 1, cx);
 650    }
 651
 652    fn select_all_matches(&mut self, _: &SelectAllMatches, cx: &mut ViewContext<Self>) {
 653        if !self.dismissed && self.active_match_index.is_some() {
 654            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 655                if let Some(matches) = self
 656                    .searchable_items_with_matches
 657                    .get(&searchable_item.downgrade())
 658                {
 659                    searchable_item.select_matches(matches, cx);
 660                    self.focus_editor(&FocusEditor, cx);
 661                }
 662            }
 663        }
 664    }
 665
 666    pub fn select_match(&mut self, direction: Direction, count: usize, cx: &mut ViewContext<Self>) {
 667        if let Some(index) = self.active_match_index {
 668            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 669                if let Some(matches) = self
 670                    .searchable_items_with_matches
 671                    .get(&searchable_item.downgrade())
 672                {
 673                    let new_match_index = searchable_item
 674                        .match_index_for_direction(matches, index, direction, count, cx);
 675                    searchable_item.update_matches(matches, cx);
 676                    searchable_item.activate_match(new_match_index, matches, cx);
 677                }
 678            }
 679        }
 680    }
 681
 682    fn select_next_match_on_pane(
 683        pane: &mut Pane,
 684        action: &SelectNextMatch,
 685        cx: &mut ViewContext<Pane>,
 686    ) {
 687        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 688            search_bar.update(cx, |bar, cx| bar.select_next_match(action, cx));
 689        }
 690    }
 691
 692    fn select_prev_match_on_pane(
 693        pane: &mut Pane,
 694        action: &SelectPrevMatch,
 695        cx: &mut ViewContext<Pane>,
 696    ) {
 697        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 698            search_bar.update(cx, |bar, cx| bar.select_prev_match(action, cx));
 699        }
 700    }
 701
 702    fn select_all_matches_on_pane(
 703        pane: &mut Pane,
 704        action: &SelectAllMatches,
 705        cx: &mut ViewContext<Pane>,
 706    ) {
 707        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 708            search_bar.update(cx, |bar, cx| bar.select_all_matches(action, cx));
 709        }
 710    }
 711
 712    fn on_query_editor_event(
 713        &mut self,
 714        _: ViewHandle<Editor>,
 715        event: &editor::Event,
 716        cx: &mut ViewContext<Self>,
 717    ) {
 718        if let editor::Event::Edited { .. } = event {
 719            self.query_contains_error = false;
 720            self.clear_matches(cx);
 721            let search = self.update_matches(cx);
 722            cx.spawn(|this, mut cx| async move {
 723                search.await?;
 724                this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 725            })
 726            .detach_and_log_err(cx);
 727        }
 728    }
 729
 730    fn on_active_searchable_item_event(&mut self, event: SearchEvent, cx: &mut ViewContext<Self>) {
 731        match event {
 732            SearchEvent::MatchesInvalidated => {
 733                let _ = self.update_matches(cx);
 734            }
 735            SearchEvent::ActiveMatchChanged => self.update_match_index(cx),
 736        }
 737    }
 738
 739    fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
 740        let mut active_item_matches = None;
 741        for (searchable_item, matches) in self.searchable_items_with_matches.drain() {
 742            if let Some(searchable_item) =
 743                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 744            {
 745                if Some(&searchable_item) == self.active_searchable_item.as_ref() {
 746                    active_item_matches = Some((searchable_item.downgrade(), matches));
 747                } else {
 748                    searchable_item.clear_matches(cx);
 749                }
 750            }
 751        }
 752
 753        self.searchable_items_with_matches
 754            .extend(active_item_matches);
 755    }
 756
 757    fn update_matches(&mut self, cx: &mut ViewContext<Self>) -> oneshot::Receiver<()> {
 758        let (done_tx, done_rx) = oneshot::channel();
 759        let query = self.query(cx);
 760        self.pending_search.take();
 761
 762        if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 763            if query.is_empty() {
 764                self.active_match_index.take();
 765                active_searchable_item.clear_matches(cx);
 766                let _ = done_tx.send(());
 767                cx.notify();
 768            } else {
 769                let query: Arc<_> = if self.current_mode == SearchMode::Regex {
 770                    match SearchQuery::regex(
 771                        query,
 772                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 773                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 774                        Vec::new(),
 775                        Vec::new(),
 776                    ) {
 777                        Ok(query) => query
 778                            .with_replacement(Some(self.replacement(cx)).filter(|s| !s.is_empty())),
 779                        Err(_) => {
 780                            self.query_contains_error = true;
 781                            cx.notify();
 782                            return done_rx;
 783                        }
 784                    }
 785                } else {
 786                    match SearchQuery::text(
 787                        query,
 788                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 789                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 790                        Vec::new(),
 791                        Vec::new(),
 792                    ) {
 793                        Ok(query) => query
 794                            .with_replacement(Some(self.replacement(cx)).filter(|s| !s.is_empty())),
 795                        Err(_) => {
 796                            self.query_contains_error = true;
 797                            cx.notify();
 798                            return done_rx;
 799                        }
 800                    }
 801                }
 802                .into();
 803                self.active_search = Some(query.clone());
 804                let query_text = query.as_str().to_string();
 805                let matches = active_searchable_item.find_matches(query, cx);
 806
 807                let active_searchable_item = active_searchable_item.downgrade();
 808                self.pending_search = Some(cx.spawn(|this, mut cx| async move {
 809                    let matches = matches.await;
 810                    this.update(&mut cx, |this, cx| {
 811                        if let Some(active_searchable_item) =
 812                            WeakSearchableItemHandle::upgrade(active_searchable_item.as_ref(), cx)
 813                        {
 814                            this.searchable_items_with_matches
 815                                .insert(active_searchable_item.downgrade(), matches);
 816
 817                            this.update_match_index(cx);
 818                            this.search_history.add(query_text);
 819                            if !this.dismissed {
 820                                let matches = this
 821                                    .searchable_items_with_matches
 822                                    .get(&active_searchable_item.downgrade())
 823                                    .unwrap();
 824                                active_searchable_item.update_matches(matches, cx);
 825                                let _ = done_tx.send(());
 826                            }
 827                            cx.notify();
 828                        }
 829                    })
 830                    .log_err();
 831                }));
 832            }
 833        }
 834        done_rx
 835    }
 836
 837    fn update_match_index(&mut self, cx: &mut ViewContext<Self>) {
 838        let new_index = self
 839            .active_searchable_item
 840            .as_ref()
 841            .and_then(|searchable_item| {
 842                let matches = self
 843                    .searchable_items_with_matches
 844                    .get(&searchable_item.downgrade())?;
 845                searchable_item.active_match_index(matches, cx)
 846            });
 847        if new_index != self.active_match_index {
 848            self.active_match_index = new_index;
 849            cx.notify();
 850        }
 851    }
 852
 853    fn next_history_query(&mut self, _: &NextHistoryQuery, cx: &mut ViewContext<Self>) {
 854        if let Some(new_query) = self.search_history.next().map(str::to_string) {
 855            let _ = self.search(&new_query, Some(self.search_options), cx);
 856        } else {
 857            self.search_history.reset_selection();
 858            let _ = self.search("", Some(self.search_options), cx);
 859        }
 860    }
 861
 862    fn previous_history_query(&mut self, _: &PreviousHistoryQuery, cx: &mut ViewContext<Self>) {
 863        if self.query(cx).is_empty() {
 864            if let Some(new_query) = self.search_history.current().map(str::to_string) {
 865                let _ = self.search(&new_query, Some(self.search_options), cx);
 866                return;
 867            }
 868        }
 869
 870        if let Some(new_query) = self.search_history.previous().map(str::to_string) {
 871            let _ = self.search(&new_query, Some(self.search_options), cx);
 872        }
 873    }
 874    fn cycle_mode(&mut self, _: &CycleMode, cx: &mut ViewContext<Self>) {
 875        self.activate_search_mode(next_mode(&self.current_mode, false), cx);
 876    }
 877    fn cycle_mode_on_pane(pane: &mut Pane, action: &CycleMode, cx: &mut ViewContext<Pane>) {
 878        let mut should_propagate = true;
 879        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 880            search_bar.update(cx, |bar, cx| {
 881                if bar.show(cx) {
 882                    should_propagate = false;
 883                    bar.cycle_mode(action, cx);
 884                    false
 885                } else {
 886                    true
 887                }
 888            });
 889        }
 890        if should_propagate {
 891            cx.propagate_action();
 892        }
 893    }
 894    fn toggle_replace(&mut self, _: &ToggleReplace, cx: &mut ViewContext<Self>) {
 895        if let Some(_) = &self.active_searchable_item {
 896            self.replace_is_active = !self.replace_is_active;
 897            cx.notify();
 898        }
 899    }
 900    fn toggle_replace_on_a_pane(pane: &mut Pane, _: &ToggleReplace, cx: &mut ViewContext<Pane>) {
 901        let mut should_propagate = true;
 902        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 903            search_bar.update(cx, |bar, cx| {
 904                if let Some(_) = &bar.active_searchable_item {
 905                    should_propagate = false;
 906                    bar.replace_is_active = !bar.replace_is_active;
 907                    cx.notify();
 908                }
 909            });
 910        }
 911        if should_propagate {
 912            cx.propagate_action();
 913        }
 914    }
 915    fn replace_next(&mut self, _: &ReplaceNext, cx: &mut ViewContext<Self>) {
 916        if !self.dismissed && self.active_search.is_some() {
 917            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 918                if let Some(query) = self.active_search.as_ref() {
 919                    if let Some(matches) = self
 920                        .searchable_items_with_matches
 921                        .get(&searchable_item.downgrade())
 922                    {
 923                        if let Some(active_index) = self.active_match_index {
 924                            let query = query.as_ref().clone().with_replacement(
 925                                Some(self.replacement(cx)).filter(|rep| !rep.is_empty()),
 926                            );
 927                            searchable_item.replace(&matches[active_index], &query, cx);
 928                        }
 929
 930                        self.focus_editor(&FocusEditor, cx);
 931                    }
 932                }
 933            }
 934        }
 935    }
 936    fn replace_all(&mut self, _: &ReplaceAll, cx: &mut ViewContext<Self>) {
 937        if !self.dismissed && self.active_search.is_some() {
 938            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 939                if let Some(query) = self.active_search.as_ref() {
 940                    if let Some(matches) = self
 941                        .searchable_items_with_matches
 942                        .get(&searchable_item.downgrade())
 943                    {
 944                        let query = query.as_ref().clone().with_replacement(
 945                            Some(self.replacement(cx)).filter(|rep| !rep.is_empty()),
 946                        );
 947                        for m in matches {
 948                            searchable_item.replace(m, &query, cx);
 949                        }
 950
 951                        self.focus_editor(&FocusEditor, cx);
 952                    }
 953                }
 954            }
 955        }
 956    }
 957    fn replace_next_on_pane(pane: &mut Pane, action: &ReplaceNext, cx: &mut ViewContext<Pane>) {
 958        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 959            search_bar.update(cx, |bar, cx| bar.replace_next(action, cx));
 960            return;
 961        }
 962        cx.propagate_action();
 963    }
 964    fn replace_all_on_pane(pane: &mut Pane, action: &ReplaceAll, cx: &mut ViewContext<Pane>) {
 965        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 966            search_bar.update(cx, |bar, cx| bar.replace_all(action, cx));
 967            return;
 968        }
 969        cx.propagate_action();
 970    }
 971}
 972
 973#[cfg(test)]
 974mod tests {
 975    use super::*;
 976    use editor::{DisplayPoint, Editor};
 977    use gpui::{color::Color, test::EmptyView, TestAppContext};
 978    use language::Buffer;
 979    use unindent::Unindent as _;
 980
 981    fn init_test(cx: &mut TestAppContext) -> (ViewHandle<Editor>, ViewHandle<BufferSearchBar>) {
 982        crate::project_search::tests::init_test(cx);
 983
 984        let buffer = cx.add_model(|cx| {
 985            Buffer::new(
 986                0,
 987                cx.model_id() as u64,
 988                r#"
 989                A regular expression (shortened as regex or regexp;[1] also referred to as
 990                rational expression[2][3]) is a sequence of characters that specifies a search
 991                pattern in text. Usually such patterns are used by string-searching algorithms
 992                for "find" or "find and replace" operations on strings, or for input validation.
 993                "#
 994                .unindent(),
 995            )
 996        });
 997        let window = cx.add_window(|_| EmptyView);
 998        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
 999
1000        let search_bar = window.add_view(cx, |cx| {
1001            let mut search_bar = BufferSearchBar::new(cx);
1002            search_bar.set_active_pane_item(Some(&editor), cx);
1003            search_bar.show(cx);
1004            search_bar
1005        });
1006
1007        (editor, search_bar)
1008    }
1009
1010    #[gpui::test]
1011    async fn test_search_simple(cx: &mut TestAppContext) {
1012        let (editor, search_bar) = init_test(cx);
1013
1014        // Search for a string that appears with different casing.
1015        // By default, search is case-insensitive.
1016        search_bar
1017            .update(cx, |search_bar, cx| search_bar.search("us", None, cx))
1018            .await
1019            .unwrap();
1020        editor.update(cx, |editor, cx| {
1021            assert_eq!(
1022                editor.all_text_background_highlights(cx),
1023                &[
1024                    (
1025                        DisplayPoint::new(2, 17)..DisplayPoint::new(2, 19),
1026                        Color::red(),
1027                    ),
1028                    (
1029                        DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1030                        Color::red(),
1031                    ),
1032                ]
1033            );
1034        });
1035
1036        // Switch to a case sensitive search.
1037        search_bar.update(cx, |search_bar, cx| {
1038            search_bar.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx);
1039        });
1040        editor.next_notification(cx).await;
1041        editor.update(cx, |editor, cx| {
1042            assert_eq!(
1043                editor.all_text_background_highlights(cx),
1044                &[(
1045                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1046                    Color::red(),
1047                )]
1048            );
1049        });
1050
1051        // Search for a string that appears both as a whole word and
1052        // within other words. By default, all results are found.
1053        search_bar
1054            .update(cx, |search_bar, cx| search_bar.search("or", None, cx))
1055            .await
1056            .unwrap();
1057        editor.update(cx, |editor, cx| {
1058            assert_eq!(
1059                editor.all_text_background_highlights(cx),
1060                &[
1061                    (
1062                        DisplayPoint::new(0, 24)..DisplayPoint::new(0, 26),
1063                        Color::red(),
1064                    ),
1065                    (
1066                        DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1067                        Color::red(),
1068                    ),
1069                    (
1070                        DisplayPoint::new(2, 71)..DisplayPoint::new(2, 73),
1071                        Color::red(),
1072                    ),
1073                    (
1074                        DisplayPoint::new(3, 1)..DisplayPoint::new(3, 3),
1075                        Color::red(),
1076                    ),
1077                    (
1078                        DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1079                        Color::red(),
1080                    ),
1081                    (
1082                        DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1083                        Color::red(),
1084                    ),
1085                    (
1086                        DisplayPoint::new(3, 60)..DisplayPoint::new(3, 62),
1087                        Color::red(),
1088                    ),
1089                ]
1090            );
1091        });
1092
1093        // Switch to a whole word search.
1094        search_bar.update(cx, |search_bar, cx| {
1095            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx);
1096        });
1097        editor.next_notification(cx).await;
1098        editor.update(cx, |editor, cx| {
1099            assert_eq!(
1100                editor.all_text_background_highlights(cx),
1101                &[
1102                    (
1103                        DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1104                        Color::red(),
1105                    ),
1106                    (
1107                        DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1108                        Color::red(),
1109                    ),
1110                    (
1111                        DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1112                        Color::red(),
1113                    ),
1114                ]
1115            );
1116        });
1117
1118        editor.update(cx, |editor, cx| {
1119            editor.change_selections(None, cx, |s| {
1120                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1121            });
1122        });
1123        search_bar.update(cx, |search_bar, cx| {
1124            assert_eq!(search_bar.active_match_index, Some(0));
1125            search_bar.select_next_match(&SelectNextMatch, cx);
1126            assert_eq!(
1127                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1128                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1129            );
1130        });
1131        search_bar.read_with(cx, |search_bar, _| {
1132            assert_eq!(search_bar.active_match_index, Some(0));
1133        });
1134
1135        search_bar.update(cx, |search_bar, cx| {
1136            search_bar.select_next_match(&SelectNextMatch, cx);
1137            assert_eq!(
1138                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1139                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1140            );
1141        });
1142        search_bar.read_with(cx, |search_bar, _| {
1143            assert_eq!(search_bar.active_match_index, Some(1));
1144        });
1145
1146        search_bar.update(cx, |search_bar, cx| {
1147            search_bar.select_next_match(&SelectNextMatch, cx);
1148            assert_eq!(
1149                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1150                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1151            );
1152        });
1153        search_bar.read_with(cx, |search_bar, _| {
1154            assert_eq!(search_bar.active_match_index, Some(2));
1155        });
1156
1157        search_bar.update(cx, |search_bar, cx| {
1158            search_bar.select_next_match(&SelectNextMatch, cx);
1159            assert_eq!(
1160                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1161                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1162            );
1163        });
1164        search_bar.read_with(cx, |search_bar, _| {
1165            assert_eq!(search_bar.active_match_index, Some(0));
1166        });
1167
1168        search_bar.update(cx, |search_bar, cx| {
1169            search_bar.select_prev_match(&SelectPrevMatch, cx);
1170            assert_eq!(
1171                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1172                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1173            );
1174        });
1175        search_bar.read_with(cx, |search_bar, _| {
1176            assert_eq!(search_bar.active_match_index, Some(2));
1177        });
1178
1179        search_bar.update(cx, |search_bar, cx| {
1180            search_bar.select_prev_match(&SelectPrevMatch, cx);
1181            assert_eq!(
1182                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1183                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1184            );
1185        });
1186        search_bar.read_with(cx, |search_bar, _| {
1187            assert_eq!(search_bar.active_match_index, Some(1));
1188        });
1189
1190        search_bar.update(cx, |search_bar, cx| {
1191            search_bar.select_prev_match(&SelectPrevMatch, cx);
1192            assert_eq!(
1193                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1194                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1195            );
1196        });
1197        search_bar.read_with(cx, |search_bar, _| {
1198            assert_eq!(search_bar.active_match_index, Some(0));
1199        });
1200
1201        // Park the cursor in between matches and ensure that going to the previous match selects
1202        // the closest match to the left.
1203        editor.update(cx, |editor, cx| {
1204            editor.change_selections(None, cx, |s| {
1205                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1206            });
1207        });
1208        search_bar.update(cx, |search_bar, cx| {
1209            assert_eq!(search_bar.active_match_index, Some(1));
1210            search_bar.select_prev_match(&SelectPrevMatch, cx);
1211            assert_eq!(
1212                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1213                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1214            );
1215        });
1216        search_bar.read_with(cx, |search_bar, _| {
1217            assert_eq!(search_bar.active_match_index, Some(0));
1218        });
1219
1220        // Park the cursor in between matches and ensure that going to the next match selects the
1221        // closest match to the right.
1222        editor.update(cx, |editor, cx| {
1223            editor.change_selections(None, cx, |s| {
1224                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1225            });
1226        });
1227        search_bar.update(cx, |search_bar, cx| {
1228            assert_eq!(search_bar.active_match_index, Some(1));
1229            search_bar.select_next_match(&SelectNextMatch, cx);
1230            assert_eq!(
1231                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1232                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1233            );
1234        });
1235        search_bar.read_with(cx, |search_bar, _| {
1236            assert_eq!(search_bar.active_match_index, Some(1));
1237        });
1238
1239        // Park the cursor after the last match and ensure that going to the previous match selects
1240        // the last match.
1241        editor.update(cx, |editor, cx| {
1242            editor.change_selections(None, cx, |s| {
1243                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1244            });
1245        });
1246        search_bar.update(cx, |search_bar, cx| {
1247            assert_eq!(search_bar.active_match_index, Some(2));
1248            search_bar.select_prev_match(&SelectPrevMatch, cx);
1249            assert_eq!(
1250                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1251                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1252            );
1253        });
1254        search_bar.read_with(cx, |search_bar, _| {
1255            assert_eq!(search_bar.active_match_index, Some(2));
1256        });
1257
1258        // Park the cursor after the last match and ensure that going to the next match selects the
1259        // first match.
1260        editor.update(cx, |editor, cx| {
1261            editor.change_selections(None, cx, |s| {
1262                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1263            });
1264        });
1265        search_bar.update(cx, |search_bar, cx| {
1266            assert_eq!(search_bar.active_match_index, Some(2));
1267            search_bar.select_next_match(&SelectNextMatch, cx);
1268            assert_eq!(
1269                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1270                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1271            );
1272        });
1273        search_bar.read_with(cx, |search_bar, _| {
1274            assert_eq!(search_bar.active_match_index, Some(0));
1275        });
1276
1277        // Park the cursor before the first match and ensure that going to the previous match
1278        // selects the last match.
1279        editor.update(cx, |editor, cx| {
1280            editor.change_selections(None, cx, |s| {
1281                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1282            });
1283        });
1284        search_bar.update(cx, |search_bar, cx| {
1285            assert_eq!(search_bar.active_match_index, Some(0));
1286            search_bar.select_prev_match(&SelectPrevMatch, cx);
1287            assert_eq!(
1288                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1289                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1290            );
1291        });
1292        search_bar.read_with(cx, |search_bar, _| {
1293            assert_eq!(search_bar.active_match_index, Some(2));
1294        });
1295    }
1296
1297    #[gpui::test]
1298    async fn test_search_option_handling(cx: &mut TestAppContext) {
1299        let (editor, search_bar) = init_test(cx);
1300
1301        // show with options should make current search case sensitive
1302        search_bar
1303            .update(cx, |search_bar, cx| {
1304                search_bar.show(cx);
1305                search_bar.search("us", Some(SearchOptions::CASE_SENSITIVE), cx)
1306            })
1307            .await
1308            .unwrap();
1309        editor.update(cx, |editor, cx| {
1310            assert_eq!(
1311                editor.all_text_background_highlights(cx),
1312                &[(
1313                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1314                    Color::red(),
1315                )]
1316            );
1317        });
1318
1319        // search_suggested should restore default options
1320        search_bar.update(cx, |search_bar, cx| {
1321            search_bar.search_suggested(cx);
1322            assert_eq!(search_bar.search_options, SearchOptions::NONE)
1323        });
1324
1325        // toggling a search option should update the defaults
1326        search_bar
1327            .update(cx, |search_bar, cx| {
1328                search_bar.search("regex", Some(SearchOptions::CASE_SENSITIVE), cx)
1329            })
1330            .await
1331            .unwrap();
1332        search_bar.update(cx, |search_bar, cx| {
1333            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
1334        });
1335        editor.next_notification(cx).await;
1336        editor.update(cx, |editor, cx| {
1337            assert_eq!(
1338                editor.all_text_background_highlights(cx),
1339                &[(
1340                    DisplayPoint::new(0, 35)..DisplayPoint::new(0, 40),
1341                    Color::red(),
1342                ),]
1343            );
1344        });
1345
1346        // defaults should still include whole word
1347        search_bar.update(cx, |search_bar, cx| {
1348            search_bar.search_suggested(cx);
1349            assert_eq!(
1350                search_bar.search_options,
1351                SearchOptions::CASE_SENSITIVE | SearchOptions::WHOLE_WORD
1352            )
1353        });
1354    }
1355
1356    #[gpui::test]
1357    async fn test_search_select_all_matches(cx: &mut TestAppContext) {
1358        crate::project_search::tests::init_test(cx);
1359
1360        let buffer_text = r#"
1361        A regular expression (shortened as regex or regexp;[1] also referred to as
1362        rational expression[2][3]) is a sequence of characters that specifies a search
1363        pattern in text. Usually such patterns are used by string-searching algorithms
1364        for "find" or "find and replace" operations on strings, or for input validation.
1365        "#
1366        .unindent();
1367        let expected_query_matches_count = buffer_text
1368            .chars()
1369            .filter(|c| c.to_ascii_lowercase() == 'a')
1370            .count();
1371        assert!(
1372            expected_query_matches_count > 1,
1373            "Should pick a query with multiple results"
1374        );
1375        let buffer = cx.add_model(|cx| Buffer::new(0, cx.model_id() as u64, buffer_text));
1376        let window = cx.add_window(|_| EmptyView);
1377        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1378
1379        let search_bar = window.add_view(cx, |cx| {
1380            let mut search_bar = BufferSearchBar::new(cx);
1381            search_bar.set_active_pane_item(Some(&editor), cx);
1382            search_bar.show(cx);
1383            search_bar
1384        });
1385
1386        search_bar
1387            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1388            .await
1389            .unwrap();
1390        search_bar.update(cx, |search_bar, cx| {
1391            cx.focus(search_bar.query_editor.as_any());
1392            search_bar.activate_current_match(cx);
1393        });
1394
1395        window.read_with(cx, |cx| {
1396            assert!(
1397                !editor.is_focused(cx),
1398                "Initially, the editor should not be focused"
1399            );
1400        });
1401
1402        let initial_selections = editor.update(cx, |editor, cx| {
1403            let initial_selections = editor.selections.display_ranges(cx);
1404            assert_eq!(
1405                initial_selections.len(), 1,
1406                "Expected to have only one selection before adding carets to all matches, but got: {initial_selections:?}",
1407            );
1408            initial_selections
1409        });
1410        search_bar.update(cx, |search_bar, _| {
1411            assert_eq!(search_bar.active_match_index, Some(0));
1412        });
1413
1414        search_bar.update(cx, |search_bar, cx| {
1415            cx.focus(search_bar.query_editor.as_any());
1416            search_bar.select_all_matches(&SelectAllMatches, cx);
1417        });
1418        window.read_with(cx, |cx| {
1419            assert!(
1420                editor.is_focused(cx),
1421                "Should focus editor after successful SelectAllMatches"
1422            );
1423        });
1424        search_bar.update(cx, |search_bar, cx| {
1425            let all_selections =
1426                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1427            assert_eq!(
1428                all_selections.len(),
1429                expected_query_matches_count,
1430                "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1431            );
1432            assert_eq!(
1433                search_bar.active_match_index,
1434                Some(0),
1435                "Match index should not change after selecting all matches"
1436            );
1437        });
1438
1439        search_bar.update(cx, |search_bar, cx| {
1440            search_bar.select_next_match(&SelectNextMatch, cx);
1441        });
1442        window.read_with(cx, |cx| {
1443            assert!(
1444                editor.is_focused(cx),
1445                "Should still have editor focused after SelectNextMatch"
1446            );
1447        });
1448        search_bar.update(cx, |search_bar, cx| {
1449            let all_selections =
1450                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1451            assert_eq!(
1452                all_selections.len(),
1453                1,
1454                "On next match, should deselect items and select the next match"
1455            );
1456            assert_ne!(
1457                all_selections, initial_selections,
1458                "Next match should be different from the first selection"
1459            );
1460            assert_eq!(
1461                search_bar.active_match_index,
1462                Some(1),
1463                "Match index should be updated to the next one"
1464            );
1465        });
1466
1467        search_bar.update(cx, |search_bar, cx| {
1468            cx.focus(search_bar.query_editor.as_any());
1469            search_bar.select_all_matches(&SelectAllMatches, cx);
1470        });
1471        window.read_with(cx, |cx| {
1472            assert!(
1473                editor.is_focused(cx),
1474                "Should focus editor after successful SelectAllMatches"
1475            );
1476        });
1477        search_bar.update(cx, |search_bar, cx| {
1478            let all_selections =
1479                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1480            assert_eq!(
1481                all_selections.len(),
1482                expected_query_matches_count,
1483                "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1484            );
1485            assert_eq!(
1486                search_bar.active_match_index,
1487                Some(1),
1488                "Match index should not change after selecting all matches"
1489            );
1490        });
1491
1492        search_bar.update(cx, |search_bar, cx| {
1493            search_bar.select_prev_match(&SelectPrevMatch, cx);
1494        });
1495        window.read_with(cx, |cx| {
1496            assert!(
1497                editor.is_focused(cx),
1498                "Should still have editor focused after SelectPrevMatch"
1499            );
1500        });
1501        let last_match_selections = search_bar.update(cx, |search_bar, cx| {
1502            let all_selections =
1503                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1504            assert_eq!(
1505                all_selections.len(),
1506                1,
1507                "On previous match, should deselect items and select the previous item"
1508            );
1509            assert_eq!(
1510                all_selections, initial_selections,
1511                "Previous match should be the same as the first selection"
1512            );
1513            assert_eq!(
1514                search_bar.active_match_index,
1515                Some(0),
1516                "Match index should be updated to the previous one"
1517            );
1518            all_selections
1519        });
1520
1521        search_bar
1522            .update(cx, |search_bar, cx| {
1523                cx.focus(search_bar.query_editor.as_any());
1524                search_bar.search("abas_nonexistent_match", None, cx)
1525            })
1526            .await
1527            .unwrap();
1528        search_bar.update(cx, |search_bar, cx| {
1529            search_bar.select_all_matches(&SelectAllMatches, cx);
1530        });
1531        window.read_with(cx, |cx| {
1532            assert!(
1533                !editor.is_focused(cx),
1534                "Should not switch focus to editor if SelectAllMatches does not find any matches"
1535            );
1536        });
1537        search_bar.update(cx, |search_bar, cx| {
1538            let all_selections =
1539                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1540            assert_eq!(
1541                all_selections, last_match_selections,
1542                "Should not select anything new if there are no matches"
1543            );
1544            assert!(
1545                search_bar.active_match_index.is_none(),
1546                "For no matches, there should be no active match index"
1547            );
1548        });
1549    }
1550
1551    #[gpui::test]
1552    async fn test_search_query_history(cx: &mut TestAppContext) {
1553        crate::project_search::tests::init_test(cx);
1554
1555        let buffer_text = r#"
1556        A regular expression (shortened as regex or regexp;[1] also referred to as
1557        rational expression[2][3]) is a sequence of characters that specifies a search
1558        pattern in text. Usually such patterns are used by string-searching algorithms
1559        for "find" or "find and replace" operations on strings, or for input validation.
1560        "#
1561        .unindent();
1562        let buffer = cx.add_model(|cx| Buffer::new(0, cx.model_id() as u64, buffer_text));
1563        let window = cx.add_window(|_| EmptyView);
1564
1565        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1566
1567        let search_bar = window.add_view(cx, |cx| {
1568            let mut search_bar = BufferSearchBar::new(cx);
1569            search_bar.set_active_pane_item(Some(&editor), cx);
1570            search_bar.show(cx);
1571            search_bar
1572        });
1573
1574        // Add 3 search items into the history.
1575        search_bar
1576            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1577            .await
1578            .unwrap();
1579        search_bar
1580            .update(cx, |search_bar, cx| search_bar.search("b", None, cx))
1581            .await
1582            .unwrap();
1583        search_bar
1584            .update(cx, |search_bar, cx| {
1585                search_bar.search("c", Some(SearchOptions::CASE_SENSITIVE), cx)
1586            })
1587            .await
1588            .unwrap();
1589        // Ensure that the latest search is active.
1590        search_bar.read_with(cx, |search_bar, cx| {
1591            assert_eq!(search_bar.query(cx), "c");
1592            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1593        });
1594
1595        // Next history query after the latest should set the query to the empty string.
1596        search_bar.update(cx, |search_bar, cx| {
1597            search_bar.next_history_query(&NextHistoryQuery, cx);
1598        });
1599        search_bar.read_with(cx, |search_bar, cx| {
1600            assert_eq!(search_bar.query(cx), "");
1601            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1602        });
1603        search_bar.update(cx, |search_bar, cx| {
1604            search_bar.next_history_query(&NextHistoryQuery, cx);
1605        });
1606        search_bar.read_with(cx, |search_bar, cx| {
1607            assert_eq!(search_bar.query(cx), "");
1608            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1609        });
1610
1611        // First previous query for empty current query should set the query to the latest.
1612        search_bar.update(cx, |search_bar, cx| {
1613            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1614        });
1615        search_bar.read_with(cx, |search_bar, cx| {
1616            assert_eq!(search_bar.query(cx), "c");
1617            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1618        });
1619
1620        // Further previous items should go over the history in reverse order.
1621        search_bar.update(cx, |search_bar, cx| {
1622            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1623        });
1624        search_bar.read_with(cx, |search_bar, cx| {
1625            assert_eq!(search_bar.query(cx), "b");
1626            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1627        });
1628
1629        // Previous items should never go behind the first history item.
1630        search_bar.update(cx, |search_bar, cx| {
1631            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1632        });
1633        search_bar.read_with(cx, |search_bar, cx| {
1634            assert_eq!(search_bar.query(cx), "a");
1635            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1636        });
1637        search_bar.update(cx, |search_bar, cx| {
1638            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1639        });
1640        search_bar.read_with(cx, |search_bar, cx| {
1641            assert_eq!(search_bar.query(cx), "a");
1642            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1643        });
1644
1645        // Next items should go over the history in the original order.
1646        search_bar.update(cx, |search_bar, cx| {
1647            search_bar.next_history_query(&NextHistoryQuery, cx);
1648        });
1649        search_bar.read_with(cx, |search_bar, cx| {
1650            assert_eq!(search_bar.query(cx), "b");
1651            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1652        });
1653
1654        search_bar
1655            .update(cx, |search_bar, cx| search_bar.search("ba", None, cx))
1656            .await
1657            .unwrap();
1658        search_bar.read_with(cx, |search_bar, cx| {
1659            assert_eq!(search_bar.query(cx), "ba");
1660            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1661        });
1662
1663        // New search input should add another entry to history and move the selection to the end of the history.
1664        search_bar.update(cx, |search_bar, cx| {
1665            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1666        });
1667        search_bar.read_with(cx, |search_bar, cx| {
1668            assert_eq!(search_bar.query(cx), "c");
1669            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1670        });
1671        search_bar.update(cx, |search_bar, cx| {
1672            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1673        });
1674        search_bar.read_with(cx, |search_bar, cx| {
1675            assert_eq!(search_bar.query(cx), "b");
1676            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1677        });
1678        search_bar.update(cx, |search_bar, cx| {
1679            search_bar.next_history_query(&NextHistoryQuery, cx);
1680        });
1681        search_bar.read_with(cx, |search_bar, cx| {
1682            assert_eq!(search_bar.query(cx), "c");
1683            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1684        });
1685        search_bar.update(cx, |search_bar, cx| {
1686            search_bar.next_history_query(&NextHistoryQuery, cx);
1687        });
1688        search_bar.read_with(cx, |search_bar, cx| {
1689            assert_eq!(search_bar.query(cx), "ba");
1690            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1691        });
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), "");
1697            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1698        });
1699    }
1700    #[gpui::test]
1701    async fn test_replace_simple(cx: &mut TestAppContext) {
1702        let (editor, search_bar) = init_test(cx);
1703
1704        search_bar
1705            .update(cx, |search_bar, cx| {
1706                search_bar.search("expression", None, cx)
1707            })
1708            .await
1709            .unwrap();
1710
1711        search_bar.update(cx, |search_bar, cx| {
1712            search_bar.replacement_editor.update(cx, |editor, cx| {
1713                // We use $1 here as initially we should be in Text mode, where `$1` should be treated literally.
1714                editor.set_text("expr$1", cx);
1715            });
1716            search_bar.replace_all(&ReplaceAll, cx)
1717        });
1718        assert_eq!(
1719            editor.read_with(cx, |this, cx| { this.text(cx) }),
1720            r#"
1721        A regular expr$1 (shortened as regex or regexp;[1] also referred to as
1722        rational expr$1[2][3]) is a sequence of characters that specifies a search
1723        pattern in text. Usually such patterns are used by string-searching algorithms
1724        for "find" or "find and replace" operations on strings, or for input validation.
1725        "#
1726            .unindent()
1727        );
1728
1729        // Search for word boundaries and replace just a single one.
1730        search_bar
1731            .update(cx, |search_bar, cx| {
1732                search_bar.search("or", Some(SearchOptions::WHOLE_WORD), cx)
1733            })
1734            .await
1735            .unwrap();
1736
1737        search_bar.update(cx, |search_bar, cx| {
1738            search_bar.replacement_editor.update(cx, |editor, cx| {
1739                editor.set_text("banana", cx);
1740            });
1741            search_bar.replace_next(&ReplaceNext, cx)
1742        });
1743        // Notice how the first or in the text (shORtened) is not replaced. Neither are the remaining hits of `or` in the text.
1744        assert_eq!(
1745            editor.read_with(cx, |this, cx| { this.text(cx) }),
1746            r#"
1747        A regular expr$1 (shortened as regex banana regexp;[1] also referred to as
1748        rational expr$1[2][3]) is a sequence of characters that specifies a search
1749        pattern in text. Usually such patterns are used by string-searching algorithms
1750        for "find" or "find and replace" operations on strings, or for input validation.
1751        "#
1752            .unindent()
1753        );
1754        // Let's turn on regex mode.
1755        search_bar
1756            .update(cx, |search_bar, cx| {
1757                search_bar.activate_search_mode(SearchMode::Regex, cx);
1758                search_bar.search("\\[([^\\]]+)\\]", None, cx)
1759            })
1760            .await
1761            .unwrap();
1762        search_bar.update(cx, |search_bar, cx| {
1763            search_bar.replacement_editor.update(cx, |editor, cx| {
1764                editor.set_text("${1}number", cx);
1765            });
1766            search_bar.replace_all(&ReplaceAll, cx)
1767        });
1768        assert_eq!(
1769            editor.read_with(cx, |this, cx| { this.text(cx) }),
1770            r#"
1771        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1772        rational expr$12number3number) is a sequence of characters that specifies a search
1773        pattern in text. Usually such patterns are used by string-searching algorithms
1774        for "find" or "find and replace" operations on strings, or for input validation.
1775        "#
1776            .unindent()
1777        );
1778        // Now with a whole-word twist.
1779        search_bar
1780            .update(cx, |search_bar, cx| {
1781                search_bar.activate_search_mode(SearchMode::Regex, cx);
1782                search_bar.search("a\\w+s", Some(SearchOptions::WHOLE_WORD), cx)
1783            })
1784            .await
1785            .unwrap();
1786        search_bar.update(cx, |search_bar, cx| {
1787            search_bar.replacement_editor.update(cx, |editor, cx| {
1788                editor.set_text("things", cx);
1789            });
1790            search_bar.replace_all(&ReplaceAll, cx)
1791        });
1792        // The only word affected by this edit should be `algorithms`, even though there's a bunch
1793        // of words in this text that would match this regex if not for WHOLE_WORD.
1794        assert_eq!(
1795            editor.read_with(cx, |this, cx| { this.text(cx) }),
1796            r#"
1797        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1798        rational expr$12number3number) is a sequence of characters that specifies a search
1799        pattern in text. Usually such patterns are used by string-searching things
1800        for "find" or "find and replace" operations on strings, or for input validation.
1801        "#
1802            .unindent()
1803        );
1804    }
1805}