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_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_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    }
 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.with_replacement(self.replacement(cx)),
 778                        Err(_) => {
 779                            self.query_contains_error = true;
 780                            cx.notify();
 781                            return done_rx;
 782                        }
 783                    }
 784                } else {
 785                    match SearchQuery::text(
 786                        query,
 787                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 788                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 789                        Vec::new(),
 790                        Vec::new(),
 791                    ) {
 792                        Ok(query) => query.with_replacement(self.replacement(cx)),
 793                        Err(_) => {
 794                            self.query_contains_error = true;
 795                            cx.notify();
 796                            return done_rx;
 797                        }
 798                    }
 799                }
 800                .into();
 801                self.active_search = Some(query.clone());
 802                let query_text = query.as_str().to_string();
 803                let matches = active_searchable_item.find_matches(query, cx);
 804
 805                let active_searchable_item = active_searchable_item.downgrade();
 806                self.pending_search = Some(cx.spawn(|this, mut cx| async move {
 807                    let matches = matches.await;
 808                    this.update(&mut cx, |this, cx| {
 809                        if let Some(active_searchable_item) =
 810                            WeakSearchableItemHandle::upgrade(active_searchable_item.as_ref(), cx)
 811                        {
 812                            this.searchable_items_with_matches
 813                                .insert(active_searchable_item.downgrade(), matches);
 814
 815                            this.update_match_index(cx);
 816                            this.search_history.add(query_text);
 817                            if !this.dismissed {
 818                                let matches = this
 819                                    .searchable_items_with_matches
 820                                    .get(&active_searchable_item.downgrade())
 821                                    .unwrap();
 822                                active_searchable_item.update_matches(matches, cx);
 823                                let _ = done_tx.send(());
 824                            }
 825                            cx.notify();
 826                        }
 827                    })
 828                    .log_err();
 829                }));
 830            }
 831        }
 832        done_rx
 833    }
 834
 835    fn update_match_index(&mut self, cx: &mut ViewContext<Self>) {
 836        let new_index = self
 837            .active_searchable_item
 838            .as_ref()
 839            .and_then(|searchable_item| {
 840                let matches = self
 841                    .searchable_items_with_matches
 842                    .get(&searchable_item.downgrade())?;
 843                searchable_item.active_match_index(matches, cx)
 844            });
 845        if new_index != self.active_match_index {
 846            self.active_match_index = new_index;
 847            cx.notify();
 848        }
 849    }
 850
 851    fn next_history_query(&mut self, _: &NextHistoryQuery, cx: &mut ViewContext<Self>) {
 852        if let Some(new_query) = self.search_history.next().map(str::to_string) {
 853            let _ = self.search(&new_query, Some(self.search_options), cx);
 854        } else {
 855            self.search_history.reset_selection();
 856            let _ = self.search("", Some(self.search_options), cx);
 857        }
 858    }
 859
 860    fn previous_history_query(&mut self, _: &PreviousHistoryQuery, cx: &mut ViewContext<Self>) {
 861        if self.query(cx).is_empty() {
 862            if let Some(new_query) = self.search_history.current().map(str::to_string) {
 863                let _ = self.search(&new_query, Some(self.search_options), cx);
 864                return;
 865            }
 866        }
 867
 868        if let Some(new_query) = self.search_history.previous().map(str::to_string) {
 869            let _ = self.search(&new_query, Some(self.search_options), cx);
 870        }
 871    }
 872    fn cycle_mode(&mut self, _: &CycleMode, cx: &mut ViewContext<Self>) {
 873        self.activate_search_mode(next_mode(&self.current_mode, false), cx);
 874    }
 875    fn cycle_mode_on_pane(pane: &mut Pane, action: &CycleMode, cx: &mut ViewContext<Pane>) {
 876        let mut should_propagate = true;
 877        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 878            search_bar.update(cx, |bar, cx| {
 879                if bar.show(cx) {
 880                    should_propagate = false;
 881                    bar.cycle_mode(action, cx);
 882                    false
 883                } else {
 884                    true
 885                }
 886            });
 887        }
 888        if should_propagate {
 889            cx.propagate_action();
 890        }
 891    }
 892    fn toggle_replace(&mut self, _: &ToggleReplace, cx: &mut ViewContext<Self>) {
 893        if let Some(_) = &self.active_searchable_item {
 894            self.replace_enabled = !self.replace_enabled;
 895            if !self.replace_enabled {
 896                cx.focus(&self.query_editor);
 897            }
 898            cx.notify();
 899        }
 900    }
 901    fn toggle_replace_on_a_pane(pane: &mut Pane, _: &ToggleReplace, cx: &mut ViewContext<Pane>) {
 902        let mut should_propagate = true;
 903        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 904            search_bar.update(cx, |bar, cx| {
 905                if let Some(_) = &bar.active_searchable_item {
 906                    should_propagate = false;
 907                    bar.replace_enabled = !bar.replace_enabled;
 908                    if bar.dismissed {
 909                        bar.show(cx);
 910                    }
 911                    if !bar.replace_enabled {
 912                        cx.focus(&bar.query_editor);
 913                    }
 914                    cx.notify();
 915                }
 916            });
 917        }
 918        if should_propagate {
 919            cx.propagate_action();
 920        }
 921    }
 922    fn replace_next(&mut self, _: &ReplaceNext, cx: &mut ViewContext<Self>) {
 923        let mut should_propagate = true;
 924        if !self.dismissed && self.active_search.is_some() {
 925            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 926                if let Some(query) = self.active_search.as_ref() {
 927                    if let Some(matches) = self
 928                        .searchable_items_with_matches
 929                        .get(&searchable_item.downgrade())
 930                    {
 931                        if let Some(active_index) = self.active_match_index {
 932                            let query = query
 933                                .as_ref()
 934                                .clone()
 935                                .with_replacement(self.replacement(cx));
 936                            searchable_item.replace(&matches[active_index], &query, cx);
 937                            self.select_next_match(&SelectNextMatch, cx);
 938                        }
 939                        should_propagate = false;
 940                        self.focus_editor(&FocusEditor, cx);
 941                    }
 942                }
 943            }
 944        }
 945        if should_propagate {
 946            cx.propagate_action();
 947        }
 948    }
 949    fn replace_all(&mut self, _: &ReplaceAll, cx: &mut ViewContext<Self>) {
 950        if !self.dismissed && self.active_search.is_some() {
 951            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 952                if let Some(query) = self.active_search.as_ref() {
 953                    if let Some(matches) = self
 954                        .searchable_items_with_matches
 955                        .get(&searchable_item.downgrade())
 956                    {
 957                        let query = query
 958                            .as_ref()
 959                            .clone()
 960                            .with_replacement(self.replacement(cx));
 961                        for m in matches {
 962                            searchable_item.replace(m, &query, cx);
 963                        }
 964                    }
 965                }
 966            }
 967        }
 968    }
 969    fn replace_next_on_pane(pane: &mut Pane, action: &ReplaceNext, cx: &mut ViewContext<Pane>) {
 970        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 971            search_bar.update(cx, |bar, cx| bar.replace_next(action, cx));
 972            return;
 973        }
 974        cx.propagate_action();
 975    }
 976    fn replace_all_on_pane(pane: &mut Pane, action: &ReplaceAll, cx: &mut ViewContext<Pane>) {
 977        if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
 978            search_bar.update(cx, |bar, cx| bar.replace_all(action, cx));
 979            return;
 980        }
 981        cx.propagate_action();
 982    }
 983}
 984
 985#[cfg(test)]
 986mod tests {
 987    use super::*;
 988    use editor::{DisplayPoint, Editor};
 989    use gpui::{color::Color, test::EmptyView, TestAppContext};
 990    use language::Buffer;
 991    use unindent::Unindent as _;
 992
 993    fn init_test(cx: &mut TestAppContext) -> (ViewHandle<Editor>, ViewHandle<BufferSearchBar>) {
 994        crate::project_search::tests::init_test(cx);
 995
 996        let buffer = cx.add_model(|cx| {
 997            Buffer::new(
 998                0,
 999                cx.model_id() as u64,
1000                r#"
1001                A regular expression (shortened as regex or regexp;[1] also referred to as
1002                rational expression[2][3]) is a sequence of characters that specifies a search
1003                pattern in text. Usually such patterns are used by string-searching algorithms
1004                for "find" or "find and replace" operations on strings, or for input validation.
1005                "#
1006                .unindent(),
1007            )
1008        });
1009        let window = cx.add_window(|_| EmptyView);
1010        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1011
1012        let search_bar = window.add_view(cx, |cx| {
1013            let mut search_bar = BufferSearchBar::new(cx);
1014            search_bar.set_active_pane_item(Some(&editor), cx);
1015            search_bar.show(cx);
1016            search_bar
1017        });
1018
1019        (editor, search_bar)
1020    }
1021
1022    #[gpui::test]
1023    async fn test_search_simple(cx: &mut TestAppContext) {
1024        let (editor, search_bar) = init_test(cx);
1025
1026        // Search for a string that appears with different casing.
1027        // By default, search is case-insensitive.
1028        search_bar
1029            .update(cx, |search_bar, cx| search_bar.search("us", None, cx))
1030            .await
1031            .unwrap();
1032        editor.update(cx, |editor, cx| {
1033            assert_eq!(
1034                editor.all_text_background_highlights(cx),
1035                &[
1036                    (
1037                        DisplayPoint::new(2, 17)..DisplayPoint::new(2, 19),
1038                        Color::red(),
1039                    ),
1040                    (
1041                        DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1042                        Color::red(),
1043                    ),
1044                ]
1045            );
1046        });
1047
1048        // Switch to a case sensitive search.
1049        search_bar.update(cx, |search_bar, cx| {
1050            search_bar.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx);
1051        });
1052        editor.next_notification(cx).await;
1053        editor.update(cx, |editor, cx| {
1054            assert_eq!(
1055                editor.all_text_background_highlights(cx),
1056                &[(
1057                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1058                    Color::red(),
1059                )]
1060            );
1061        });
1062
1063        // Search for a string that appears both as a whole word and
1064        // within other words. By default, all results are found.
1065        search_bar
1066            .update(cx, |search_bar, cx| search_bar.search("or", None, cx))
1067            .await
1068            .unwrap();
1069        editor.update(cx, |editor, cx| {
1070            assert_eq!(
1071                editor.all_text_background_highlights(cx),
1072                &[
1073                    (
1074                        DisplayPoint::new(0, 24)..DisplayPoint::new(0, 26),
1075                        Color::red(),
1076                    ),
1077                    (
1078                        DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1079                        Color::red(),
1080                    ),
1081                    (
1082                        DisplayPoint::new(2, 71)..DisplayPoint::new(2, 73),
1083                        Color::red(),
1084                    ),
1085                    (
1086                        DisplayPoint::new(3, 1)..DisplayPoint::new(3, 3),
1087                        Color::red(),
1088                    ),
1089                    (
1090                        DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1091                        Color::red(),
1092                    ),
1093                    (
1094                        DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1095                        Color::red(),
1096                    ),
1097                    (
1098                        DisplayPoint::new(3, 60)..DisplayPoint::new(3, 62),
1099                        Color::red(),
1100                    ),
1101                ]
1102            );
1103        });
1104
1105        // Switch to a whole word search.
1106        search_bar.update(cx, |search_bar, cx| {
1107            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx);
1108        });
1109        editor.next_notification(cx).await;
1110        editor.update(cx, |editor, cx| {
1111            assert_eq!(
1112                editor.all_text_background_highlights(cx),
1113                &[
1114                    (
1115                        DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1116                        Color::red(),
1117                    ),
1118                    (
1119                        DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1120                        Color::red(),
1121                    ),
1122                    (
1123                        DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1124                        Color::red(),
1125                    ),
1126                ]
1127            );
1128        });
1129
1130        editor.update(cx, |editor, cx| {
1131            editor.change_selections(None, cx, |s| {
1132                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1133            });
1134        });
1135        search_bar.update(cx, |search_bar, cx| {
1136            assert_eq!(search_bar.active_match_index, Some(0));
1137            search_bar.select_next_match(&SelectNextMatch, cx);
1138            assert_eq!(
1139                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1140                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1141            );
1142        });
1143        search_bar.read_with(cx, |search_bar, _| {
1144            assert_eq!(search_bar.active_match_index, Some(0));
1145        });
1146
1147        search_bar.update(cx, |search_bar, cx| {
1148            search_bar.select_next_match(&SelectNextMatch, cx);
1149            assert_eq!(
1150                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1151                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1152            );
1153        });
1154        search_bar.read_with(cx, |search_bar, _| {
1155            assert_eq!(search_bar.active_match_index, Some(1));
1156        });
1157
1158        search_bar.update(cx, |search_bar, cx| {
1159            search_bar.select_next_match(&SelectNextMatch, cx);
1160            assert_eq!(
1161                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1162                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1163            );
1164        });
1165        search_bar.read_with(cx, |search_bar, _| {
1166            assert_eq!(search_bar.active_match_index, Some(2));
1167        });
1168
1169        search_bar.update(cx, |search_bar, cx| {
1170            search_bar.select_next_match(&SelectNextMatch, cx);
1171            assert_eq!(
1172                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1173                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1174            );
1175        });
1176        search_bar.read_with(cx, |search_bar, _| {
1177            assert_eq!(search_bar.active_match_index, Some(0));
1178        });
1179
1180        search_bar.update(cx, |search_bar, cx| {
1181            search_bar.select_prev_match(&SelectPrevMatch, cx);
1182            assert_eq!(
1183                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1184                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1185            );
1186        });
1187        search_bar.read_with(cx, |search_bar, _| {
1188            assert_eq!(search_bar.active_match_index, Some(2));
1189        });
1190
1191        search_bar.update(cx, |search_bar, cx| {
1192            search_bar.select_prev_match(&SelectPrevMatch, cx);
1193            assert_eq!(
1194                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1195                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1196            );
1197        });
1198        search_bar.read_with(cx, |search_bar, _| {
1199            assert_eq!(search_bar.active_match_index, Some(1));
1200        });
1201
1202        search_bar.update(cx, |search_bar, cx| {
1203            search_bar.select_prev_match(&SelectPrevMatch, cx);
1204            assert_eq!(
1205                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1206                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1207            );
1208        });
1209        search_bar.read_with(cx, |search_bar, _| {
1210            assert_eq!(search_bar.active_match_index, Some(0));
1211        });
1212
1213        // Park the cursor in between matches and ensure that going to the previous match selects
1214        // the closest match to the left.
1215        editor.update(cx, |editor, cx| {
1216            editor.change_selections(None, cx, |s| {
1217                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1218            });
1219        });
1220        search_bar.update(cx, |search_bar, cx| {
1221            assert_eq!(search_bar.active_match_index, Some(1));
1222            search_bar.select_prev_match(&SelectPrevMatch, cx);
1223            assert_eq!(
1224                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1225                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1226            );
1227        });
1228        search_bar.read_with(cx, |search_bar, _| {
1229            assert_eq!(search_bar.active_match_index, Some(0));
1230        });
1231
1232        // Park the cursor in between matches and ensure that going to the next match selects the
1233        // closest match to the right.
1234        editor.update(cx, |editor, cx| {
1235            editor.change_selections(None, cx, |s| {
1236                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1237            });
1238        });
1239        search_bar.update(cx, |search_bar, cx| {
1240            assert_eq!(search_bar.active_match_index, Some(1));
1241            search_bar.select_next_match(&SelectNextMatch, cx);
1242            assert_eq!(
1243                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1244                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1245            );
1246        });
1247        search_bar.read_with(cx, |search_bar, _| {
1248            assert_eq!(search_bar.active_match_index, Some(1));
1249        });
1250
1251        // Park the cursor after the last match and ensure that going to the previous match selects
1252        // the last match.
1253        editor.update(cx, |editor, cx| {
1254            editor.change_selections(None, cx, |s| {
1255                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1256            });
1257        });
1258        search_bar.update(cx, |search_bar, cx| {
1259            assert_eq!(search_bar.active_match_index, Some(2));
1260            search_bar.select_prev_match(&SelectPrevMatch, cx);
1261            assert_eq!(
1262                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1263                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1264            );
1265        });
1266        search_bar.read_with(cx, |search_bar, _| {
1267            assert_eq!(search_bar.active_match_index, Some(2));
1268        });
1269
1270        // Park the cursor after the last match and ensure that going to the next match selects the
1271        // first match.
1272        editor.update(cx, |editor, cx| {
1273            editor.change_selections(None, cx, |s| {
1274                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1275            });
1276        });
1277        search_bar.update(cx, |search_bar, cx| {
1278            assert_eq!(search_bar.active_match_index, Some(2));
1279            search_bar.select_next_match(&SelectNextMatch, cx);
1280            assert_eq!(
1281                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1282                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1283            );
1284        });
1285        search_bar.read_with(cx, |search_bar, _| {
1286            assert_eq!(search_bar.active_match_index, Some(0));
1287        });
1288
1289        // Park the cursor before the first match and ensure that going to the previous match
1290        // selects the last match.
1291        editor.update(cx, |editor, cx| {
1292            editor.change_selections(None, cx, |s| {
1293                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1294            });
1295        });
1296        search_bar.update(cx, |search_bar, cx| {
1297            assert_eq!(search_bar.active_match_index, Some(0));
1298            search_bar.select_prev_match(&SelectPrevMatch, cx);
1299            assert_eq!(
1300                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1301                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1302            );
1303        });
1304        search_bar.read_with(cx, |search_bar, _| {
1305            assert_eq!(search_bar.active_match_index, Some(2));
1306        });
1307    }
1308
1309    #[gpui::test]
1310    async fn test_search_option_handling(cx: &mut TestAppContext) {
1311        let (editor, search_bar) = init_test(cx);
1312
1313        // show with options should make current search case sensitive
1314        search_bar
1315            .update(cx, |search_bar, cx| {
1316                search_bar.show(cx);
1317                search_bar.search("us", Some(SearchOptions::CASE_SENSITIVE), cx)
1318            })
1319            .await
1320            .unwrap();
1321        editor.update(cx, |editor, cx| {
1322            assert_eq!(
1323                editor.all_text_background_highlights(cx),
1324                &[(
1325                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1326                    Color::red(),
1327                )]
1328            );
1329        });
1330
1331        // search_suggested should restore default options
1332        search_bar.update(cx, |search_bar, cx| {
1333            search_bar.search_suggested(cx);
1334            assert_eq!(search_bar.search_options, SearchOptions::NONE)
1335        });
1336
1337        // toggling a search option should update the defaults
1338        search_bar
1339            .update(cx, |search_bar, cx| {
1340                search_bar.search("regex", Some(SearchOptions::CASE_SENSITIVE), cx)
1341            })
1342            .await
1343            .unwrap();
1344        search_bar.update(cx, |search_bar, cx| {
1345            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
1346        });
1347        editor.next_notification(cx).await;
1348        editor.update(cx, |editor, cx| {
1349            assert_eq!(
1350                editor.all_text_background_highlights(cx),
1351                &[(
1352                    DisplayPoint::new(0, 35)..DisplayPoint::new(0, 40),
1353                    Color::red(),
1354                ),]
1355            );
1356        });
1357
1358        // defaults should still include whole word
1359        search_bar.update(cx, |search_bar, cx| {
1360            search_bar.search_suggested(cx);
1361            assert_eq!(
1362                search_bar.search_options,
1363                SearchOptions::CASE_SENSITIVE | SearchOptions::WHOLE_WORD
1364            )
1365        });
1366    }
1367
1368    #[gpui::test]
1369    async fn test_search_select_all_matches(cx: &mut TestAppContext) {
1370        crate::project_search::tests::init_test(cx);
1371
1372        let buffer_text = r#"
1373        A regular expression (shortened as regex or regexp;[1] also referred to as
1374        rational expression[2][3]) is a sequence of characters that specifies a search
1375        pattern in text. Usually such patterns are used by string-searching algorithms
1376        for "find" or "find and replace" operations on strings, or for input validation.
1377        "#
1378        .unindent();
1379        let expected_query_matches_count = buffer_text
1380            .chars()
1381            .filter(|c| c.to_ascii_lowercase() == 'a')
1382            .count();
1383        assert!(
1384            expected_query_matches_count > 1,
1385            "Should pick a query with multiple results"
1386        );
1387        let buffer = cx.add_model(|cx| Buffer::new(0, cx.model_id() as u64, buffer_text));
1388        let window = cx.add_window(|_| EmptyView);
1389        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1390
1391        let search_bar = window.add_view(cx, |cx| {
1392            let mut search_bar = BufferSearchBar::new(cx);
1393            search_bar.set_active_pane_item(Some(&editor), cx);
1394            search_bar.show(cx);
1395            search_bar
1396        });
1397
1398        search_bar
1399            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1400            .await
1401            .unwrap();
1402        search_bar.update(cx, |search_bar, cx| {
1403            cx.focus(search_bar.query_editor.as_any());
1404            search_bar.activate_current_match(cx);
1405        });
1406
1407        window.read_with(cx, |cx| {
1408            assert!(
1409                !editor.is_focused(cx),
1410                "Initially, the editor should not be focused"
1411            );
1412        });
1413
1414        let initial_selections = editor.update(cx, |editor, cx| {
1415            let initial_selections = editor.selections.display_ranges(cx);
1416            assert_eq!(
1417                initial_selections.len(), 1,
1418                "Expected to have only one selection before adding carets to all matches, but got: {initial_selections:?}",
1419            );
1420            initial_selections
1421        });
1422        search_bar.update(cx, |search_bar, _| {
1423            assert_eq!(search_bar.active_match_index, Some(0));
1424        });
1425
1426        search_bar.update(cx, |search_bar, cx| {
1427            cx.focus(search_bar.query_editor.as_any());
1428            search_bar.select_all_matches(&SelectAllMatches, cx);
1429        });
1430        window.read_with(cx, |cx| {
1431            assert!(
1432                editor.is_focused(cx),
1433                "Should focus editor after successful SelectAllMatches"
1434            );
1435        });
1436        search_bar.update(cx, |search_bar, cx| {
1437            let all_selections =
1438                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1439            assert_eq!(
1440                all_selections.len(),
1441                expected_query_matches_count,
1442                "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1443            );
1444            assert_eq!(
1445                search_bar.active_match_index,
1446                Some(0),
1447                "Match index should not change after selecting all matches"
1448            );
1449        });
1450
1451        search_bar.update(cx, |search_bar, cx| {
1452            search_bar.select_next_match(&SelectNextMatch, cx);
1453        });
1454        window.read_with(cx, |cx| {
1455            assert!(
1456                editor.is_focused(cx),
1457                "Should still have editor focused after SelectNextMatch"
1458            );
1459        });
1460        search_bar.update(cx, |search_bar, cx| {
1461            let all_selections =
1462                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1463            assert_eq!(
1464                all_selections.len(),
1465                1,
1466                "On next match, should deselect items and select the next match"
1467            );
1468            assert_ne!(
1469                all_selections, initial_selections,
1470                "Next match should be different from the first selection"
1471            );
1472            assert_eq!(
1473                search_bar.active_match_index,
1474                Some(1),
1475                "Match index should be updated to the next one"
1476            );
1477        });
1478
1479        search_bar.update(cx, |search_bar, cx| {
1480            cx.focus(search_bar.query_editor.as_any());
1481            search_bar.select_all_matches(&SelectAllMatches, cx);
1482        });
1483        window.read_with(cx, |cx| {
1484            assert!(
1485                editor.is_focused(cx),
1486                "Should focus editor after successful SelectAllMatches"
1487            );
1488        });
1489        search_bar.update(cx, |search_bar, cx| {
1490            let all_selections =
1491                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1492            assert_eq!(
1493                all_selections.len(),
1494                expected_query_matches_count,
1495                "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1496            );
1497            assert_eq!(
1498                search_bar.active_match_index,
1499                Some(1),
1500                "Match index should not change after selecting all matches"
1501            );
1502        });
1503
1504        search_bar.update(cx, |search_bar, cx| {
1505            search_bar.select_prev_match(&SelectPrevMatch, cx);
1506        });
1507        window.read_with(cx, |cx| {
1508            assert!(
1509                editor.is_focused(cx),
1510                "Should still have editor focused after SelectPrevMatch"
1511            );
1512        });
1513        let last_match_selections = search_bar.update(cx, |search_bar, cx| {
1514            let all_selections =
1515                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1516            assert_eq!(
1517                all_selections.len(),
1518                1,
1519                "On previous match, should deselect items and select the previous item"
1520            );
1521            assert_eq!(
1522                all_selections, initial_selections,
1523                "Previous match should be the same as the first selection"
1524            );
1525            assert_eq!(
1526                search_bar.active_match_index,
1527                Some(0),
1528                "Match index should be updated to the previous one"
1529            );
1530            all_selections
1531        });
1532
1533        search_bar
1534            .update(cx, |search_bar, cx| {
1535                cx.focus(search_bar.query_editor.as_any());
1536                search_bar.search("abas_nonexistent_match", None, cx)
1537            })
1538            .await
1539            .unwrap();
1540        search_bar.update(cx, |search_bar, cx| {
1541            search_bar.select_all_matches(&SelectAllMatches, cx);
1542        });
1543        window.read_with(cx, |cx| {
1544            assert!(
1545                !editor.is_focused(cx),
1546                "Should not switch focus to editor if SelectAllMatches does not find any matches"
1547            );
1548        });
1549        search_bar.update(cx, |search_bar, cx| {
1550            let all_selections =
1551                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1552            assert_eq!(
1553                all_selections, last_match_selections,
1554                "Should not select anything new if there are no matches"
1555            );
1556            assert!(
1557                search_bar.active_match_index.is_none(),
1558                "For no matches, there should be no active match index"
1559            );
1560        });
1561    }
1562
1563    #[gpui::test]
1564    async fn test_search_query_history(cx: &mut TestAppContext) {
1565        crate::project_search::tests::init_test(cx);
1566
1567        let buffer_text = r#"
1568        A regular expression (shortened as regex or regexp;[1] also referred to as
1569        rational expression[2][3]) is a sequence of characters that specifies a search
1570        pattern in text. Usually such patterns are used by string-searching algorithms
1571        for "find" or "find and replace" operations on strings, or for input validation.
1572        "#
1573        .unindent();
1574        let buffer = cx.add_model(|cx| Buffer::new(0, cx.model_id() as u64, buffer_text));
1575        let window = cx.add_window(|_| EmptyView);
1576
1577        let editor = window.add_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1578
1579        let search_bar = window.add_view(cx, |cx| {
1580            let mut search_bar = BufferSearchBar::new(cx);
1581            search_bar.set_active_pane_item(Some(&editor), cx);
1582            search_bar.show(cx);
1583            search_bar
1584        });
1585
1586        // Add 3 search items into the history.
1587        search_bar
1588            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1589            .await
1590            .unwrap();
1591        search_bar
1592            .update(cx, |search_bar, cx| search_bar.search("b", None, cx))
1593            .await
1594            .unwrap();
1595        search_bar
1596            .update(cx, |search_bar, cx| {
1597                search_bar.search("c", Some(SearchOptions::CASE_SENSITIVE), cx)
1598            })
1599            .await
1600            .unwrap();
1601        // Ensure that the latest search is active.
1602        search_bar.read_with(cx, |search_bar, cx| {
1603            assert_eq!(search_bar.query(cx), "c");
1604            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1605        });
1606
1607        // Next history query after the latest should set the query to the empty string.
1608        search_bar.update(cx, |search_bar, cx| {
1609            search_bar.next_history_query(&NextHistoryQuery, cx);
1610        });
1611        search_bar.read_with(cx, |search_bar, cx| {
1612            assert_eq!(search_bar.query(cx), "");
1613            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1614        });
1615        search_bar.update(cx, |search_bar, cx| {
1616            search_bar.next_history_query(&NextHistoryQuery, cx);
1617        });
1618        search_bar.read_with(cx, |search_bar, cx| {
1619            assert_eq!(search_bar.query(cx), "");
1620            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1621        });
1622
1623        // First previous query for empty current query should set the query to the latest.
1624        search_bar.update(cx, |search_bar, cx| {
1625            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1626        });
1627        search_bar.read_with(cx, |search_bar, cx| {
1628            assert_eq!(search_bar.query(cx), "c");
1629            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1630        });
1631
1632        // Further previous items should go over the history in reverse order.
1633        search_bar.update(cx, |search_bar, cx| {
1634            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1635        });
1636        search_bar.read_with(cx, |search_bar, cx| {
1637            assert_eq!(search_bar.query(cx), "b");
1638            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1639        });
1640
1641        // Previous items should never go behind the first history item.
1642        search_bar.update(cx, |search_bar, cx| {
1643            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1644        });
1645        search_bar.read_with(cx, |search_bar, cx| {
1646            assert_eq!(search_bar.query(cx), "a");
1647            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1648        });
1649        search_bar.update(cx, |search_bar, cx| {
1650            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1651        });
1652        search_bar.read_with(cx, |search_bar, cx| {
1653            assert_eq!(search_bar.query(cx), "a");
1654            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1655        });
1656
1657        // Next items should go over the history in the original order.
1658        search_bar.update(cx, |search_bar, cx| {
1659            search_bar.next_history_query(&NextHistoryQuery, cx);
1660        });
1661        search_bar.read_with(cx, |search_bar, cx| {
1662            assert_eq!(search_bar.query(cx), "b");
1663            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1664        });
1665
1666        search_bar
1667            .update(cx, |search_bar, cx| search_bar.search("ba", None, cx))
1668            .await
1669            .unwrap();
1670        search_bar.read_with(cx, |search_bar, cx| {
1671            assert_eq!(search_bar.query(cx), "ba");
1672            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1673        });
1674
1675        // New search input should add another entry to history and move the selection to the end of the history.
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), "c");
1681            assert_eq!(search_bar.search_options, SearchOptions::NONE);
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), "b");
1688            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1689        });
1690        search_bar.update(cx, |search_bar, cx| {
1691            search_bar.next_history_query(&NextHistoryQuery, cx);
1692        });
1693        search_bar.read_with(cx, |search_bar, cx| {
1694            assert_eq!(search_bar.query(cx), "c");
1695            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1696        });
1697        search_bar.update(cx, |search_bar, cx| {
1698            search_bar.next_history_query(&NextHistoryQuery, cx);
1699        });
1700        search_bar.read_with(cx, |search_bar, cx| {
1701            assert_eq!(search_bar.query(cx), "ba");
1702            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1703        });
1704        search_bar.update(cx, |search_bar, cx| {
1705            search_bar.next_history_query(&NextHistoryQuery, cx);
1706        });
1707        search_bar.read_with(cx, |search_bar, cx| {
1708            assert_eq!(search_bar.query(cx), "");
1709            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1710        });
1711    }
1712    #[gpui::test]
1713    async fn test_replace_simple(cx: &mut TestAppContext) {
1714        let (editor, search_bar) = init_test(cx);
1715
1716        search_bar
1717            .update(cx, |search_bar, cx| {
1718                search_bar.search("expression", None, cx)
1719            })
1720            .await
1721            .unwrap();
1722
1723        search_bar.update(cx, |search_bar, cx| {
1724            search_bar.replacement_editor.update(cx, |editor, cx| {
1725                // We use $1 here as initially we should be in Text mode, where `$1` should be treated literally.
1726                editor.set_text("expr$1", cx);
1727            });
1728            search_bar.replace_all(&ReplaceAll, cx)
1729        });
1730        assert_eq!(
1731            editor.read_with(cx, |this, cx| { this.text(cx) }),
1732            r#"
1733        A regular expr$1 (shortened as regex or regexp;[1] also referred to as
1734        rational expr$1[2][3]) is a sequence of characters that specifies a search
1735        pattern in text. Usually such patterns are used by string-searching algorithms
1736        for "find" or "find and replace" operations on strings, or for input validation.
1737        "#
1738            .unindent()
1739        );
1740
1741        // Search for word boundaries and replace just a single one.
1742        search_bar
1743            .update(cx, |search_bar, cx| {
1744                search_bar.search("or", Some(SearchOptions::WHOLE_WORD), cx)
1745            })
1746            .await
1747            .unwrap();
1748
1749        search_bar.update(cx, |search_bar, cx| {
1750            search_bar.replacement_editor.update(cx, |editor, cx| {
1751                editor.set_text("banana", cx);
1752            });
1753            search_bar.replace_next(&ReplaceNext, cx)
1754        });
1755        // Notice how the first or in the text (shORtened) is not replaced. Neither are the remaining hits of `or` in the text.
1756        assert_eq!(
1757            editor.read_with(cx, |this, cx| { this.text(cx) }),
1758            r#"
1759        A regular expr$1 (shortened as regex banana regexp;[1] also referred to as
1760        rational expr$1[2][3]) is a sequence of characters that specifies a search
1761        pattern in text. Usually such patterns are used by string-searching algorithms
1762        for "find" or "find and replace" operations on strings, or for input validation.
1763        "#
1764            .unindent()
1765        );
1766        // Let's turn on regex mode.
1767        search_bar
1768            .update(cx, |search_bar, cx| {
1769                search_bar.activate_search_mode(SearchMode::Regex, cx);
1770                search_bar.search("\\[([^\\]]+)\\]", None, cx)
1771            })
1772            .await
1773            .unwrap();
1774        search_bar.update(cx, |search_bar, cx| {
1775            search_bar.replacement_editor.update(cx, |editor, cx| {
1776                editor.set_text("${1}number", cx);
1777            });
1778            search_bar.replace_all(&ReplaceAll, cx)
1779        });
1780        assert_eq!(
1781            editor.read_with(cx, |this, cx| { this.text(cx) }),
1782            r#"
1783        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1784        rational expr$12number3number) is a sequence of characters that specifies a search
1785        pattern in text. Usually such patterns are used by string-searching algorithms
1786        for "find" or "find and replace" operations on strings, or for input validation.
1787        "#
1788            .unindent()
1789        );
1790        // Now with a whole-word twist.
1791        search_bar
1792            .update(cx, |search_bar, cx| {
1793                search_bar.activate_search_mode(SearchMode::Regex, cx);
1794                search_bar.search("a\\w+s", Some(SearchOptions::WHOLE_WORD), cx)
1795            })
1796            .await
1797            .unwrap();
1798        search_bar.update(cx, |search_bar, cx| {
1799            search_bar.replacement_editor.update(cx, |editor, cx| {
1800                editor.set_text("things", cx);
1801            });
1802            search_bar.replace_all(&ReplaceAll, cx)
1803        });
1804        // The only word affected by this edit should be `algorithms`, even though there's a bunch
1805        // of words in this text that would match this regex if not for WHOLE_WORD.
1806        assert_eq!(
1807            editor.read_with(cx, |this, cx| { this.text(cx) }),
1808            r#"
1809        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1810        rational expr$12number3number) is a sequence of characters that specifies a search
1811        pattern in text. Usually such patterns are used by string-searching things
1812        for "find" or "find and replace" operations on strings, or for input validation.
1813        "#
1814            .unindent()
1815        );
1816    }
1817}