buffer_search.rs

   1use crate::{
   2    history::SearchHistory,
   3    mode::{next_mode, SearchMode},
   4    search_bar::{render_nav_button, render_search_mode_button},
   5    ActivateRegexMode, ActivateTextMode, CycleMode, NextHistoryQuery, PreviousHistoryQuery,
   6    ReplaceAll, ReplaceNext, SearchOptions, SelectAllMatches, SelectNextMatch, SelectPrevMatch,
   7    ToggleCaseSensitive, ToggleReplace, ToggleWholeWord,
   8};
   9use collections::HashMap;
  10use editor::{Editor, EditorElement, EditorStyle};
  11use futures::channel::oneshot;
  12use gpui::{
  13    actions, div, impl_actions, Action, AppContext, ClickEvent, Div, EventEmitter, FocusableView,
  14    FontStyle, FontWeight, InteractiveElement as _, IntoElement, KeyContext, ParentElement as _,
  15    Render, Styled, Subscription, Task, TextStyle, View, ViewContext, VisualContext as _,
  16    WhiteSpace, WindowContext,
  17};
  18use project::search::SearchQuery;
  19use serde::Deserialize;
  20use settings::Settings;
  21use std::{any::Any, sync::Arc};
  22use theme::ThemeSettings;
  23
  24use ui::{h_stack, prelude::*, Icon, IconButton, IconElement, Tooltip};
  25use util::ResultExt;
  26use workspace::{
  27    item::ItemHandle,
  28    searchable::{Direction, SearchEvent, SearchableItemHandle, WeakSearchableItemHandle},
  29    ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView, Workspace,
  30};
  31
  32#[derive(PartialEq, Clone, Deserialize)]
  33pub struct Deploy {
  34    pub focus: bool,
  35}
  36
  37impl_actions!(buffer_search, [Deploy]);
  38
  39actions!(buffer_search, [Dismiss, FocusEditor]);
  40
  41pub enum Event {
  42    UpdateLocation,
  43}
  44
  45pub fn init(cx: &mut AppContext) {
  46    cx.observe_new_views(|editor: &mut Workspace, _| BufferSearchBar::register(editor))
  47        .detach();
  48}
  49
  50pub struct BufferSearchBar {
  51    query_editor: View<Editor>,
  52    replacement_editor: View<Editor>,
  53    active_searchable_item: Option<Box<dyn SearchableItemHandle>>,
  54    active_match_index: Option<usize>,
  55    active_searchable_item_subscription: Option<Subscription>,
  56    active_search: Option<Arc<SearchQuery>>,
  57    searchable_items_with_matches:
  58        HashMap<Box<dyn WeakSearchableItemHandle>, Vec<Box<dyn Any + Send>>>,
  59    pending_search: Option<Task<()>>,
  60    search_options: SearchOptions,
  61    default_options: SearchOptions,
  62    query_contains_error: bool,
  63    dismissed: bool,
  64    search_history: SearchHistory,
  65    current_mode: SearchMode,
  66    replace_enabled: bool,
  67}
  68
  69impl BufferSearchBar {
  70    fn render_text_input(&self, editor: &View<Editor>, cx: &ViewContext<Self>) -> impl IntoElement {
  71        let settings = ThemeSettings::get_global(cx);
  72        let text_style = TextStyle {
  73            color: if editor.read(cx).read_only() {
  74                cx.theme().colors().text_disabled
  75            } else {
  76                cx.theme().colors().text
  77            },
  78            font_family: settings.ui_font.family.clone(),
  79            font_features: settings.ui_font.features,
  80            font_size: rems(0.875).into(),
  81            font_weight: FontWeight::NORMAL,
  82            font_style: FontStyle::Normal,
  83            line_height: relative(1.3).into(),
  84            background_color: None,
  85            underline: None,
  86            white_space: WhiteSpace::Normal,
  87        };
  88
  89        EditorElement::new(
  90            &editor,
  91            EditorStyle {
  92                background: cx.theme().colors().editor_background,
  93                local_player: cx.theme().players().local(),
  94                text: text_style,
  95                ..Default::default()
  96            },
  97        )
  98    }
  99}
 100
 101impl EventEmitter<Event> for BufferSearchBar {}
 102impl EventEmitter<workspace::ToolbarItemEvent> for BufferSearchBar {}
 103impl Render for BufferSearchBar {
 104    type Element = Div;
 105    fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
 106        // let query_container_style = if self.query_contains_error {
 107        //     theme.search.invalid_editor
 108        // } else {
 109        //     theme.search.editor.input.container
 110        // };
 111        if self.dismissed {
 112            return div();
 113        }
 114        let supported_options = self.supported_options();
 115
 116        let previous_query_keystrokes = cx
 117            .bindings_for_action(&PreviousHistoryQuery {})
 118            .into_iter()
 119            .next()
 120            .map(|binding| {
 121                binding
 122                    .keystrokes()
 123                    .iter()
 124                    .map(|k| k.to_string())
 125                    .collect::<Vec<_>>()
 126            });
 127        let next_query_keystrokes = cx
 128            .bindings_for_action(&NextHistoryQuery {})
 129            .into_iter()
 130            .next()
 131            .map(|binding| {
 132                binding
 133                    .keystrokes()
 134                    .iter()
 135                    .map(|k| k.to_string())
 136                    .collect::<Vec<_>>()
 137            });
 138        let new_placeholder_text = match (previous_query_keystrokes, next_query_keystrokes) {
 139            (Some(previous_query_keystrokes), Some(next_query_keystrokes)) => {
 140                format!(
 141                    "Search ({}/{} for previous/next query)",
 142                    previous_query_keystrokes.join(" "),
 143                    next_query_keystrokes.join(" ")
 144                )
 145            }
 146            (None, Some(next_query_keystrokes)) => {
 147                format!(
 148                    "Search ({} for next query)",
 149                    next_query_keystrokes.join(" ")
 150                )
 151            }
 152            (Some(previous_query_keystrokes), None) => {
 153                format!(
 154                    "Search ({} for previous query)",
 155                    previous_query_keystrokes.join(" ")
 156                )
 157            }
 158            (None, None) => String::new(),
 159        };
 160        let new_placeholder_text = Arc::from(new_placeholder_text);
 161        self.query_editor.update(cx, |editor, cx| {
 162            editor.set_placeholder_text(new_placeholder_text, cx);
 163        });
 164        self.replacement_editor.update(cx, |editor, cx| {
 165            editor.set_placeholder_text("Replace with...", cx);
 166        });
 167
 168        let search_button_for_mode = |mode| {
 169            let is_active = self.current_mode == mode;
 170
 171            render_search_mode_button(mode, is_active)
 172        };
 173        let match_count = self
 174            .active_searchable_item
 175            .as_ref()
 176            .and_then(|searchable_item| {
 177                if self.query(cx).is_empty() {
 178                    return None;
 179                }
 180                let matches = self
 181                    .searchable_items_with_matches
 182                    .get(&searchable_item.downgrade())?;
 183                let message = if let Some(match_ix) = self.active_match_index {
 184                    format!("{}/{}", match_ix + 1, matches.len())
 185                } else {
 186                    "No matches".to_string()
 187                };
 188
 189                Some(ui::Label::new(message))
 190            });
 191        let should_show_replace_input = self.replace_enabled && supported_options.replacement;
 192        let in_replace = self.replacement_editor.focus_handle(cx).is_focused(cx);
 193
 194        let mut key_context = KeyContext::default();
 195        key_context.add("BufferSearchBar");
 196        if in_replace {
 197            key_context.add("in_replace");
 198        }
 199
 200        h_stack()
 201            .w_full()
 202            .gap_2()
 203            .key_context(key_context)
 204            .on_action(cx.listener(Self::previous_history_query))
 205            .on_action(cx.listener(Self::next_history_query))
 206            .on_action(cx.listener(Self::dismiss))
 207            .on_action(cx.listener(Self::select_next_match))
 208            .on_action(cx.listener(Self::select_prev_match))
 209            .on_action(cx.listener(|this, _: &ActivateRegexMode, cx| {
 210                this.activate_search_mode(SearchMode::Regex, cx);
 211            }))
 212            .on_action(cx.listener(|this, _: &ActivateTextMode, cx| {
 213                this.activate_search_mode(SearchMode::Text, cx);
 214            }))
 215            .when(self.supported_options().replacement, |this| {
 216                this.on_action(cx.listener(Self::toggle_replace))
 217                    .when(in_replace, |this| {
 218                        this.on_action(cx.listener(Self::replace_next))
 219                            .on_action(cx.listener(Self::replace_all))
 220                    })
 221            })
 222            .when(self.supported_options().case, |this| {
 223                this.on_action(cx.listener(Self::toggle_case_sensitive))
 224            })
 225            .when(self.supported_options().word, |this| {
 226                this.on_action(cx.listener(Self::toggle_whole_word))
 227            })
 228            .child(
 229                h_stack()
 230                    .flex_1()
 231                    .px_2()
 232                    .py_1()
 233                    .gap_2()
 234                    .border_1()
 235                    .border_color(cx.theme().colors().border)
 236                    .rounded_lg()
 237                    .child(IconElement::new(Icon::MagnifyingGlass))
 238                    .child(self.render_text_input(&self.query_editor, cx))
 239                    .children(supported_options.case.then(|| {
 240                        self.render_search_option_button(
 241                            SearchOptions::CASE_SENSITIVE,
 242                            cx.listener(|this, _, cx| {
 243                                this.toggle_case_sensitive(&ToggleCaseSensitive, cx)
 244                            }),
 245                        )
 246                    }))
 247                    .children(supported_options.word.then(|| {
 248                        self.render_search_option_button(
 249                            SearchOptions::WHOLE_WORD,
 250                            cx.listener(|this, _, cx| this.toggle_whole_word(&ToggleWholeWord, cx)),
 251                        )
 252                    })),
 253            )
 254            .child(
 255                h_stack()
 256                    .gap_2()
 257                    .flex_none()
 258                    .child(
 259                        h_stack()
 260                            .child(search_button_for_mode(SearchMode::Text))
 261                            .child(search_button_for_mode(SearchMode::Regex)),
 262                    )
 263                    .when(supported_options.replacement, |this| {
 264                        this.child(
 265                            IconButton::new(
 266                                "buffer-search-bar-toggle-replace-button",
 267                                Icon::Replace,
 268                            )
 269                            .style(ButtonStyle::Subtle)
 270                            .when(self.replace_enabled, |button| {
 271                                button.style(ButtonStyle::Filled)
 272                            })
 273                            .on_click(cx.listener(|this, _: &ClickEvent, cx| {
 274                                this.toggle_replace(&ToggleReplace, cx);
 275                            }))
 276                            .tooltip(|cx| {
 277                                Tooltip::for_action("Toggle replace", &ToggleReplace, cx)
 278                            }),
 279                        )
 280                    }),
 281            )
 282            .child(
 283                h_stack()
 284                    .gap_0p5()
 285                    .flex_1()
 286                    .when(self.replace_enabled, |this| {
 287                        this.child(
 288                            h_stack()
 289                                .flex_1()
 290                                // We're giving this a fixed height to match the height of the search input,
 291                                // which has an icon inside that is increasing its height.
 292                                .h_8()
 293                                .px_2()
 294                                .py_1()
 295                                .gap_2()
 296                                .border_1()
 297                                .border_color(cx.theme().colors().border)
 298                                .rounded_lg()
 299                                .child(self.render_text_input(&self.replacement_editor, cx)),
 300                        )
 301                        .when(should_show_replace_input, |this| {
 302                            this.child(
 303                                IconButton::new("search-replace-next", ui::Icon::ReplaceNext)
 304                                    .tooltip(move |cx| {
 305                                        Tooltip::for_action("Replace next", &ReplaceNext, cx)
 306                                    })
 307                                    .on_click(cx.listener(|this, _, cx| {
 308                                        this.replace_next(&ReplaceNext, cx)
 309                                    })),
 310                            )
 311                            .child(
 312                                IconButton::new("search-replace-all", ui::Icon::ReplaceAll)
 313                                    .tooltip(move |cx| {
 314                                        Tooltip::for_action("Replace all", &ReplaceAll, cx)
 315                                    })
 316                                    .on_click(
 317                                        cx.listener(|this, _, cx| {
 318                                            this.replace_all(&ReplaceAll, cx)
 319                                        }),
 320                                    ),
 321                            )
 322                        })
 323                    }),
 324            )
 325            .child(
 326                h_stack()
 327                    .gap_0p5()
 328                    .flex_none()
 329                    .child(
 330                        IconButton::new("select-all", ui::Icon::SelectAll)
 331                            .on_click(|_, cx| cx.dispatch_action(SelectAllMatches.boxed_clone()))
 332                            .tooltip(|cx| {
 333                                Tooltip::for_action("Select all matches", &SelectAllMatches, cx)
 334                            }),
 335                    )
 336                    .children(match_count)
 337                    .child(render_nav_button(
 338                        ui::Icon::ChevronLeft,
 339                        self.active_match_index.is_some(),
 340                        "Select previous match",
 341                        &SelectPrevMatch,
 342                    ))
 343                    .child(render_nav_button(
 344                        ui::Icon::ChevronRight,
 345                        self.active_match_index.is_some(),
 346                        "Select next match",
 347                        &SelectNextMatch,
 348                    )),
 349            )
 350    }
 351}
 352
 353impl FocusableView for BufferSearchBar {
 354    fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
 355        self.query_editor.focus_handle(cx)
 356    }
 357}
 358
 359impl ToolbarItemView for BufferSearchBar {
 360    fn set_active_pane_item(
 361        &mut self,
 362        item: Option<&dyn ItemHandle>,
 363        cx: &mut ViewContext<Self>,
 364    ) -> ToolbarItemLocation {
 365        cx.notify();
 366        self.active_searchable_item_subscription.take();
 367        self.active_searchable_item.take();
 368
 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.view().downgrade();
 375
 376            searchable_item_handle
 377                .subscribe_to_search_events(
 378                    cx,
 379                    Box::new(move |search_event, cx| {
 380                        if let Some(this) = this.upgrade() {
 381                            this.update(cx, |this, cx| {
 382                                this.on_active_searchable_item_event(search_event, cx)
 383                            });
 384                        }
 385                    }),
 386                )
 387                .detach();
 388
 389            self.active_searchable_item = Some(searchable_item_handle);
 390            let _ = self.update_matches(cx);
 391            if !self.dismissed {
 392                return ToolbarItemLocation::Secondary;
 393            }
 394        }
 395        ToolbarItemLocation::Hidden
 396    }
 397
 398    fn row_count(&self, _: &WindowContext<'_>) -> usize {
 399        1
 400    }
 401}
 402
 403impl BufferSearchBar {
 404    fn register(workspace: &mut Workspace) {
 405        workspace.register_action(move |workspace, deploy: &Deploy, cx| {
 406            let pane = workspace.active_pane();
 407
 408            pane.update(cx, |this, cx| {
 409                this.toolbar().update(cx, |this, cx| {
 410                    if let Some(search_bar) = this.item_of_type::<BufferSearchBar>() {
 411                        search_bar.update(cx, |this, cx| {
 412                            this.deploy(deploy, cx);
 413                        });
 414                        return;
 415                    }
 416                    let view = cx.build_view(|cx| BufferSearchBar::new(cx));
 417                    this.add_item(view.clone(), cx);
 418                    view.update(cx, |this, cx| this.deploy(deploy, cx));
 419                    cx.notify();
 420                })
 421            });
 422        });
 423        fn register_action<A: Action>(
 424            workspace: &mut Workspace,
 425            update: fn(&mut BufferSearchBar, &A, &mut ViewContext<BufferSearchBar>),
 426        ) {
 427            workspace.register_action(move |workspace, action: &A, cx| {
 428                let pane = workspace.active_pane();
 429                pane.update(cx, move |this, cx| {
 430                    this.toolbar().update(cx, move |this, cx| {
 431                        if let Some(search_bar) = this.item_of_type::<BufferSearchBar>() {
 432                            search_bar.update(cx, move |this, cx| update(this, action, cx));
 433                            cx.notify();
 434                        }
 435                    })
 436                });
 437            });
 438        }
 439
 440        register_action(workspace, |this, action: &ToggleCaseSensitive, cx| {
 441            if this.supported_options().case {
 442                this.toggle_case_sensitive(action, cx);
 443            }
 444        });
 445        register_action(workspace, |this, action: &ToggleWholeWord, cx| {
 446            if this.supported_options().word {
 447                this.toggle_whole_word(action, cx);
 448            }
 449        });
 450        register_action(workspace, |this, action: &ToggleReplace, cx| {
 451            if this.supported_options().replacement {
 452                this.toggle_replace(action, cx);
 453            }
 454        });
 455        register_action(workspace, |this, _: &ActivateRegexMode, cx| {
 456            if this.supported_options().regex {
 457                this.activate_search_mode(SearchMode::Regex, cx);
 458            }
 459        });
 460        register_action(workspace, |this, _: &ActivateTextMode, cx| {
 461            this.activate_search_mode(SearchMode::Text, cx);
 462        });
 463        register_action(workspace, |this, action: &CycleMode, cx| {
 464            if this.supported_options().regex {
 465                // If regex is not supported then search has just one mode (text) - in that case there's no point in supporting
 466                // cycling.
 467                this.cycle_mode(action, cx)
 468            }
 469        });
 470        register_action(workspace, |this, action: &SelectNextMatch, cx| {
 471            this.select_next_match(action, cx);
 472        });
 473        register_action(workspace, |this, action: &SelectPrevMatch, cx| {
 474            this.select_prev_match(action, cx);
 475        });
 476        register_action(workspace, |this, action: &SelectAllMatches, cx| {
 477            this.select_all_matches(action, cx);
 478        });
 479        register_action(workspace, |this, _: &editor::Cancel, cx| {
 480            if !this.dismissed {
 481                this.dismiss(&Dismiss, cx);
 482                return;
 483            }
 484            cx.propagate();
 485        });
 486    }
 487    pub fn new(cx: &mut ViewContext<Self>) -> Self {
 488        let query_editor = cx.build_view(|cx| Editor::single_line(cx));
 489        cx.subscribe(&query_editor, Self::on_query_editor_event)
 490            .detach();
 491        let replacement_editor = cx.build_view(|cx| Editor::single_line(cx));
 492        cx.subscribe(&replacement_editor, Self::on_query_editor_event)
 493            .detach();
 494        Self {
 495            query_editor,
 496            replacement_editor,
 497            active_searchable_item: None,
 498            active_searchable_item_subscription: None,
 499            active_match_index: None,
 500            searchable_items_with_matches: Default::default(),
 501            default_options: SearchOptions::NONE,
 502            search_options: SearchOptions::NONE,
 503            pending_search: None,
 504            query_contains_error: false,
 505            dismissed: true,
 506            search_history: SearchHistory::default(),
 507            current_mode: SearchMode::default(),
 508            active_search: None,
 509            replace_enabled: false,
 510        }
 511    }
 512
 513    pub fn is_dismissed(&self) -> bool {
 514        self.dismissed
 515    }
 516
 517    pub fn dismiss(&mut self, _: &Dismiss, cx: &mut ViewContext<Self>) {
 518        self.dismissed = true;
 519        for searchable_item in self.searchable_items_with_matches.keys() {
 520            if let Some(searchable_item) =
 521                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 522            {
 523                searchable_item.clear_matches(cx);
 524            }
 525        }
 526        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 527            let handle = active_editor.focus_handle(cx);
 528            cx.focus(&handle);
 529        }
 530        cx.emit(Event::UpdateLocation);
 531        cx.emit(ToolbarItemEvent::ChangeLocation(
 532            ToolbarItemLocation::Hidden,
 533        ));
 534        cx.notify();
 535    }
 536
 537    pub fn deploy(&mut self, deploy: &Deploy, cx: &mut ViewContext<Self>) -> bool {
 538        if self.show(cx) {
 539            self.search_suggested(cx);
 540            if deploy.focus {
 541                self.select_query(cx);
 542                let handle = self.query_editor.focus_handle(cx);
 543                cx.focus(&handle);
 544            }
 545            return true;
 546        }
 547
 548        false
 549    }
 550
 551    pub fn toggle(&mut self, action: &Deploy, cx: &mut ViewContext<Self>) {
 552        if self.is_dismissed() {
 553            self.deploy(action, cx);
 554        } else {
 555            self.dismiss(&Dismiss, cx);
 556        }
 557    }
 558
 559    pub fn show(&mut self, cx: &mut ViewContext<Self>) -> bool {
 560        if self.active_searchable_item.is_none() {
 561            return false;
 562        }
 563        self.dismissed = false;
 564        cx.notify();
 565        cx.emit(Event::UpdateLocation);
 566        cx.emit(ToolbarItemEvent::ChangeLocation(
 567            ToolbarItemLocation::Secondary,
 568        ));
 569        true
 570    }
 571
 572    fn supported_options(&self) -> workspace::searchable::SearchOptions {
 573        self.active_searchable_item
 574            .as_deref()
 575            .map(SearchableItemHandle::supported_options)
 576            .unwrap_or_default()
 577    }
 578    pub fn search_suggested(&mut self, cx: &mut ViewContext<Self>) {
 579        let search = self
 580            .query_suggestion(cx)
 581            .map(|suggestion| self.search(&suggestion, Some(self.default_options), cx));
 582
 583        if let Some(search) = search {
 584            cx.spawn(|this, mut cx| async move {
 585                search.await?;
 586                this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 587            })
 588            .detach_and_log_err(cx);
 589        }
 590    }
 591
 592    pub fn activate_current_match(&mut self, cx: &mut ViewContext<Self>) {
 593        if let Some(match_ix) = self.active_match_index {
 594            if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 595                if let Some(matches) = self
 596                    .searchable_items_with_matches
 597                    .get(&active_searchable_item.downgrade())
 598                {
 599                    active_searchable_item.activate_match(match_ix, matches, cx)
 600                }
 601            }
 602        }
 603    }
 604
 605    pub fn select_query(&mut self, cx: &mut ViewContext<Self>) {
 606        self.query_editor.update(cx, |query_editor, cx| {
 607            query_editor.select_all(&Default::default(), cx);
 608        });
 609    }
 610
 611    pub fn query(&self, cx: &WindowContext) -> String {
 612        self.query_editor.read(cx).text(cx)
 613    }
 614    pub fn replacement(&self, cx: &WindowContext) -> String {
 615        self.replacement_editor.read(cx).text(cx)
 616    }
 617    pub fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> Option<String> {
 618        self.active_searchable_item
 619            .as_ref()
 620            .map(|searchable_item| searchable_item.query_suggestion(cx))
 621            .filter(|suggestion| !suggestion.is_empty())
 622    }
 623
 624    pub fn set_replacement(&mut self, replacement: Option<&str>, cx: &mut ViewContext<Self>) {
 625        if replacement.is_none() {
 626            self.replace_enabled = false;
 627            return;
 628        }
 629        self.replace_enabled = true;
 630        self.replacement_editor
 631            .update(cx, |replacement_editor, cx| {
 632                replacement_editor
 633                    .buffer()
 634                    .update(cx, |replacement_buffer, cx| {
 635                        let len = replacement_buffer.len(cx);
 636                        replacement_buffer.edit([(0..len, replacement.unwrap())], None, cx);
 637                    });
 638            });
 639    }
 640
 641    pub fn search(
 642        &mut self,
 643        query: &str,
 644        options: Option<SearchOptions>,
 645        cx: &mut ViewContext<Self>,
 646    ) -> oneshot::Receiver<()> {
 647        let options = options.unwrap_or(self.default_options);
 648        if query != self.query(cx) || self.search_options != options {
 649            self.query_editor.update(cx, |query_editor, cx| {
 650                query_editor.buffer().update(cx, |query_buffer, cx| {
 651                    let len = query_buffer.len(cx);
 652                    query_buffer.edit([(0..len, query)], None, cx);
 653                });
 654            });
 655            self.search_options = options;
 656            self.query_contains_error = false;
 657            self.clear_matches(cx);
 658            cx.notify();
 659        }
 660        self.update_matches(cx)
 661    }
 662
 663    fn render_search_option_button(
 664        &self,
 665        option: SearchOptions,
 666        action: impl Fn(&ClickEvent, &mut WindowContext) + 'static,
 667    ) -> impl IntoElement {
 668        let is_active = self.search_options.contains(option);
 669        option.as_button(is_active, action)
 670    }
 671    pub fn activate_search_mode(&mut self, mode: SearchMode, cx: &mut ViewContext<Self>) {
 672        assert_ne!(
 673            mode,
 674            SearchMode::Semantic,
 675            "Semantic search is not supported in buffer search"
 676        );
 677        if mode == self.current_mode {
 678            return;
 679        }
 680        self.current_mode = mode;
 681        let _ = self.update_matches(cx);
 682        cx.notify();
 683    }
 684
 685    pub fn focus_editor(&mut self, _: &FocusEditor, cx: &mut ViewContext<Self>) {
 686        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 687            let handle = active_editor.focus_handle(cx);
 688            cx.focus(&handle);
 689        }
 690    }
 691
 692    fn toggle_search_option(&mut self, search_option: SearchOptions, cx: &mut ViewContext<Self>) {
 693        self.search_options.toggle(search_option);
 694        self.default_options = self.search_options;
 695        let _ = self.update_matches(cx);
 696        cx.notify();
 697    }
 698
 699    pub fn set_search_options(
 700        &mut self,
 701        search_options: SearchOptions,
 702        cx: &mut ViewContext<Self>,
 703    ) {
 704        self.search_options = search_options;
 705        cx.notify();
 706    }
 707
 708    fn select_next_match(&mut self, _: &SelectNextMatch, cx: &mut ViewContext<Self>) {
 709        self.select_match(Direction::Next, 1, cx);
 710    }
 711
 712    fn select_prev_match(&mut self, _: &SelectPrevMatch, cx: &mut ViewContext<Self>) {
 713        self.select_match(Direction::Prev, 1, cx);
 714    }
 715
 716    fn select_all_matches(&mut self, _: &SelectAllMatches, cx: &mut ViewContext<Self>) {
 717        if !self.dismissed && self.active_match_index.is_some() {
 718            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 719                if let Some(matches) = self
 720                    .searchable_items_with_matches
 721                    .get(&searchable_item.downgrade())
 722                {
 723                    searchable_item.select_matches(matches, cx);
 724                    self.focus_editor(&FocusEditor, cx);
 725                }
 726            }
 727        }
 728    }
 729
 730    pub fn select_match(&mut self, direction: Direction, count: usize, cx: &mut ViewContext<Self>) {
 731        if let Some(index) = self.active_match_index {
 732            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 733                if let Some(matches) = self
 734                    .searchable_items_with_matches
 735                    .get(&searchable_item.downgrade())
 736                {
 737                    let new_match_index = searchable_item
 738                        .match_index_for_direction(matches, index, direction, count, cx);
 739
 740                    searchable_item.update_matches(matches, cx);
 741                    searchable_item.activate_match(new_match_index, matches, cx);
 742                }
 743            }
 744        }
 745    }
 746
 747    pub fn select_last_match(&mut self, cx: &mut ViewContext<Self>) {
 748        if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 749            if let Some(matches) = self
 750                .searchable_items_with_matches
 751                .get(&searchable_item.downgrade())
 752            {
 753                if matches.len() == 0 {
 754                    return;
 755                }
 756                let new_match_index = matches.len() - 1;
 757                searchable_item.update_matches(matches, cx);
 758                searchable_item.activate_match(new_match_index, matches, cx);
 759            }
 760        }
 761    }
 762
 763    fn on_query_editor_event(
 764        &mut self,
 765        _: View<Editor>,
 766        event: &editor::EditorEvent,
 767        cx: &mut ViewContext<Self>,
 768    ) {
 769        if let editor::EditorEvent::Edited { .. } = event {
 770            self.query_contains_error = false;
 771            self.clear_matches(cx);
 772            let search = self.update_matches(cx);
 773            cx.spawn(|this, mut cx| async move {
 774                search.await?;
 775                this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 776            })
 777            .detach_and_log_err(cx);
 778        }
 779    }
 780
 781    fn on_active_searchable_item_event(&mut self, event: &SearchEvent, cx: &mut ViewContext<Self>) {
 782        match event {
 783            SearchEvent::MatchesInvalidated => {
 784                let _ = self.update_matches(cx);
 785            }
 786            SearchEvent::ActiveMatchChanged => self.update_match_index(cx),
 787        }
 788    }
 789
 790    fn toggle_case_sensitive(&mut self, _: &ToggleCaseSensitive, cx: &mut ViewContext<Self>) {
 791        self.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx)
 792    }
 793    fn toggle_whole_word(&mut self, _: &ToggleWholeWord, cx: &mut ViewContext<Self>) {
 794        self.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
 795    }
 796    fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
 797        let mut active_item_matches = None;
 798        for (searchable_item, matches) in self.searchable_items_with_matches.drain() {
 799            if let Some(searchable_item) =
 800                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 801            {
 802                if Some(&searchable_item) == self.active_searchable_item.as_ref() {
 803                    active_item_matches = Some((searchable_item.downgrade(), matches));
 804                } else {
 805                    searchable_item.clear_matches(cx);
 806                }
 807            }
 808        }
 809
 810        self.searchable_items_with_matches
 811            .extend(active_item_matches);
 812    }
 813
 814    fn update_matches(&mut self, cx: &mut ViewContext<Self>) -> oneshot::Receiver<()> {
 815        let (done_tx, done_rx) = oneshot::channel();
 816        let query = self.query(cx);
 817        self.pending_search.take();
 818
 819        if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 820            if query.is_empty() {
 821                self.active_match_index.take();
 822                active_searchable_item.clear_matches(cx);
 823                let _ = done_tx.send(());
 824                cx.notify();
 825            } else {
 826                let query: Arc<_> = if self.current_mode == SearchMode::Regex {
 827                    match SearchQuery::regex(
 828                        query,
 829                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 830                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 831                        false,
 832                        Vec::new(),
 833                        Vec::new(),
 834                    ) {
 835                        Ok(query) => query.with_replacement(self.replacement(cx)),
 836                        Err(_) => {
 837                            self.query_contains_error = true;
 838                            cx.notify();
 839                            return done_rx;
 840                        }
 841                    }
 842                } else {
 843                    match SearchQuery::text(
 844                        query,
 845                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 846                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 847                        false,
 848                        Vec::new(),
 849                        Vec::new(),
 850                    ) {
 851                        Ok(query) => query.with_replacement(self.replacement(cx)),
 852                        Err(_) => {
 853                            self.query_contains_error = true;
 854                            cx.notify();
 855                            return done_rx;
 856                        }
 857                    }
 858                }
 859                .into();
 860                self.active_search = Some(query.clone());
 861                let query_text = query.as_str().to_string();
 862
 863                let matches = active_searchable_item.find_matches(query, cx);
 864
 865                let active_searchable_item = active_searchable_item.downgrade();
 866                self.pending_search = Some(cx.spawn(|this, mut cx| async move {
 867                    let matches = matches.await;
 868
 869                    this.update(&mut cx, |this, cx| {
 870                        if let Some(active_searchable_item) =
 871                            WeakSearchableItemHandle::upgrade(active_searchable_item.as_ref(), cx)
 872                        {
 873                            this.searchable_items_with_matches
 874                                .insert(active_searchable_item.downgrade(), matches);
 875
 876                            this.update_match_index(cx);
 877                            this.search_history.add(query_text);
 878                            if !this.dismissed {
 879                                let matches = this
 880                                    .searchable_items_with_matches
 881                                    .get(&active_searchable_item.downgrade())
 882                                    .unwrap();
 883                                active_searchable_item.update_matches(matches, cx);
 884                                let _ = done_tx.send(());
 885                            }
 886                            cx.notify();
 887                        }
 888                    })
 889                    .log_err();
 890                }));
 891            }
 892        }
 893        done_rx
 894    }
 895
 896    fn update_match_index(&mut self, cx: &mut ViewContext<Self>) {
 897        let new_index = self
 898            .active_searchable_item
 899            .as_ref()
 900            .and_then(|searchable_item| {
 901                let matches = self
 902                    .searchable_items_with_matches
 903                    .get(&searchable_item.downgrade())?;
 904                searchable_item.active_match_index(matches, cx)
 905            });
 906        if new_index != self.active_match_index {
 907            self.active_match_index = new_index;
 908            cx.notify();
 909        }
 910    }
 911
 912    fn next_history_query(&mut self, _: &NextHistoryQuery, cx: &mut ViewContext<Self>) {
 913        if let Some(new_query) = self.search_history.next().map(str::to_string) {
 914            let _ = self.search(&new_query, Some(self.search_options), cx);
 915        } else {
 916            self.search_history.reset_selection();
 917            let _ = self.search("", Some(self.search_options), cx);
 918        }
 919    }
 920
 921    fn previous_history_query(&mut self, _: &PreviousHistoryQuery, cx: &mut ViewContext<Self>) {
 922        if self.query(cx).is_empty() {
 923            if let Some(new_query) = self.search_history.current().map(str::to_string) {
 924                let _ = self.search(&new_query, Some(self.search_options), cx);
 925                return;
 926            }
 927        }
 928
 929        if let Some(new_query) = self.search_history.previous().map(str::to_string) {
 930            let _ = self.search(&new_query, Some(self.search_options), cx);
 931        }
 932    }
 933    fn cycle_mode(&mut self, _: &CycleMode, cx: &mut ViewContext<Self>) {
 934        self.activate_search_mode(next_mode(&self.current_mode, false), cx);
 935    }
 936    fn toggle_replace(&mut self, _: &ToggleReplace, cx: &mut ViewContext<Self>) {
 937        if let Some(_) = &self.active_searchable_item {
 938            self.replace_enabled = !self.replace_enabled;
 939            if !self.replace_enabled {
 940                let handle = self.query_editor.focus_handle(cx);
 941                cx.focus(&handle);
 942            }
 943            cx.notify();
 944        }
 945    }
 946    fn replace_next(&mut self, _: &ReplaceNext, cx: &mut ViewContext<Self>) {
 947        let mut should_propagate = true;
 948        if !self.dismissed && self.active_search.is_some() {
 949            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 950                if let Some(query) = self.active_search.as_ref() {
 951                    if let Some(matches) = self
 952                        .searchable_items_with_matches
 953                        .get(&searchable_item.downgrade())
 954                    {
 955                        if let Some(active_index) = self.active_match_index {
 956                            let query = query
 957                                .as_ref()
 958                                .clone()
 959                                .with_replacement(self.replacement(cx));
 960                            searchable_item.replace(&matches[active_index], &query, cx);
 961                            self.select_next_match(&SelectNextMatch, cx);
 962                        }
 963                        should_propagate = false;
 964                        self.focus_editor(&FocusEditor, cx);
 965                    }
 966                }
 967            }
 968        }
 969        if !should_propagate {
 970            cx.stop_propagation();
 971        }
 972    }
 973    pub fn replace_all(&mut self, _: &ReplaceAll, cx: &mut ViewContext<Self>) {
 974        if !self.dismissed && self.active_search.is_some() {
 975            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 976                if let Some(query) = self.active_search.as_ref() {
 977                    if let Some(matches) = self
 978                        .searchable_items_with_matches
 979                        .get(&searchable_item.downgrade())
 980                    {
 981                        let query = query
 982                            .as_ref()
 983                            .clone()
 984                            .with_replacement(self.replacement(cx));
 985                        for m in matches {
 986                            searchable_item.replace(m, &query, cx);
 987                        }
 988                    }
 989                }
 990            }
 991        }
 992    }
 993}
 994
 995#[cfg(test)]
 996mod tests {
 997    use std::ops::Range;
 998
 999    use super::*;
1000    use editor::{DisplayPoint, Editor};
1001    use gpui::{Context, EmptyView, Hsla, TestAppContext, VisualTestContext};
1002    use language::Buffer;
1003    use smol::stream::StreamExt as _;
1004    use unindent::Unindent as _;
1005
1006    fn init_globals(cx: &mut TestAppContext) {
1007        cx.update(|cx| {
1008            let store = settings::SettingsStore::test(cx);
1009            cx.set_global(store);
1010            editor::init(cx);
1011
1012            language::init(cx);
1013            theme::init(theme::LoadThemes::JustBase, cx);
1014        });
1015    }
1016    fn init_test(
1017        cx: &mut TestAppContext,
1018    ) -> (
1019        View<Editor>,
1020        View<BufferSearchBar>,
1021        &mut VisualTestContext<'_>,
1022    ) {
1023        init_globals(cx);
1024        let buffer = cx.build_model(|cx| {
1025            Buffer::new(
1026                0,
1027                cx.entity_id().as_u64(),
1028                r#"
1029                A regular expression (shortened as regex or regexp;[1] also referred to as
1030                rational expression[2][3]) is a sequence of characters that specifies a search
1031                pattern in text. Usually such patterns are used by string-searching algorithms
1032                for "find" or "find and replace" operations on strings, or for input validation.
1033                "#
1034                .unindent(),
1035            )
1036        });
1037        let (_, cx) = cx.add_window_view(|_| EmptyView {});
1038        let editor = cx.build_view(|cx| Editor::for_buffer(buffer.clone(), None, cx));
1039
1040        let search_bar = cx.build_view(|cx| {
1041            let mut search_bar = BufferSearchBar::new(cx);
1042            search_bar.set_active_pane_item(Some(&editor), cx);
1043            search_bar.show(cx);
1044            search_bar
1045        });
1046
1047        (editor, search_bar, cx)
1048    }
1049
1050    #[gpui::test]
1051    async fn test_search_simple(cx: &mut TestAppContext) {
1052        let (editor, search_bar, cx) = init_test(cx);
1053        // todo! osiewicz: these tests asserted on background color as well, that should be brought back.
1054        let display_points_of = |background_highlights: Vec<(Range<DisplayPoint>, Hsla)>| {
1055            background_highlights
1056                .into_iter()
1057                .map(|(range, _)| range)
1058                .collect::<Vec<_>>()
1059        };
1060        // Search for a string that appears with different casing.
1061        // By default, search is case-insensitive.
1062        search_bar
1063            .update(cx, |search_bar, cx| search_bar.search("us", None, cx))
1064            .await
1065            .unwrap();
1066        editor.update(cx, |editor, cx| {
1067            assert_eq!(
1068                display_points_of(editor.all_text_background_highlights(cx)),
1069                &[
1070                    DisplayPoint::new(2, 17)..DisplayPoint::new(2, 19),
1071                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1072                ]
1073            );
1074        });
1075
1076        // Switch to a case sensitive search.
1077        search_bar.update(cx, |search_bar, cx| {
1078            search_bar.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx);
1079        });
1080        let mut editor_notifications = cx.notifications(&editor);
1081        editor_notifications.next().await;
1082        editor.update(cx, |editor, cx| {
1083            assert_eq!(
1084                display_points_of(editor.all_text_background_highlights(cx)),
1085                &[DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),]
1086            );
1087        });
1088
1089        // Search for a string that appears both as a whole word and
1090        // within other words. By default, all results are found.
1091        search_bar
1092            .update(cx, |search_bar, cx| search_bar.search("or", None, cx))
1093            .await
1094            .unwrap();
1095        editor.update(cx, |editor, cx| {
1096            assert_eq!(
1097                display_points_of(editor.all_text_background_highlights(cx)),
1098                &[
1099                    DisplayPoint::new(0, 24)..DisplayPoint::new(0, 26),
1100                    DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1101                    DisplayPoint::new(2, 71)..DisplayPoint::new(2, 73),
1102                    DisplayPoint::new(3, 1)..DisplayPoint::new(3, 3),
1103                    DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1104                    DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1105                    DisplayPoint::new(3, 60)..DisplayPoint::new(3, 62),
1106                ]
1107            );
1108        });
1109
1110        // Switch to a whole word search.
1111        search_bar.update(cx, |search_bar, cx| {
1112            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx);
1113        });
1114        let mut editor_notifications = cx.notifications(&editor);
1115        editor_notifications.next().await;
1116        editor.update(cx, |editor, cx| {
1117            assert_eq!(
1118                display_points_of(editor.all_text_background_highlights(cx)),
1119                &[
1120                    DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1121                    DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1122                    DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1123                ]
1124            );
1125        });
1126
1127        editor.update(cx, |editor, cx| {
1128            editor.change_selections(None, cx, |s| {
1129                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1130            });
1131        });
1132        search_bar.update(cx, |search_bar, cx| {
1133            assert_eq!(search_bar.active_match_index, Some(0));
1134            search_bar.select_next_match(&SelectNextMatch, cx);
1135            assert_eq!(
1136                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1137                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1138            );
1139        });
1140        search_bar.update(cx, |search_bar, _| {
1141            assert_eq!(search_bar.active_match_index, Some(0));
1142        });
1143
1144        search_bar.update(cx, |search_bar, cx| {
1145            search_bar.select_next_match(&SelectNextMatch, cx);
1146            assert_eq!(
1147                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1148                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1149            );
1150        });
1151        search_bar.update(cx, |search_bar, _| {
1152            assert_eq!(search_bar.active_match_index, Some(1));
1153        });
1154
1155        search_bar.update(cx, |search_bar, cx| {
1156            search_bar.select_next_match(&SelectNextMatch, cx);
1157            assert_eq!(
1158                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1159                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1160            );
1161        });
1162        search_bar.update(cx, |search_bar, _| {
1163            assert_eq!(search_bar.active_match_index, Some(2));
1164        });
1165
1166        search_bar.update(cx, |search_bar, cx| {
1167            search_bar.select_next_match(&SelectNextMatch, cx);
1168            assert_eq!(
1169                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1170                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1171            );
1172        });
1173        search_bar.update(cx, |search_bar, _| {
1174            assert_eq!(search_bar.active_match_index, Some(0));
1175        });
1176
1177        search_bar.update(cx, |search_bar, cx| {
1178            search_bar.select_prev_match(&SelectPrevMatch, cx);
1179            assert_eq!(
1180                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1181                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1182            );
1183        });
1184        search_bar.update(cx, |search_bar, _| {
1185            assert_eq!(search_bar.active_match_index, Some(2));
1186        });
1187
1188        search_bar.update(cx, |search_bar, cx| {
1189            search_bar.select_prev_match(&SelectPrevMatch, cx);
1190            assert_eq!(
1191                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1192                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1193            );
1194        });
1195        search_bar.update(cx, |search_bar, _| {
1196            assert_eq!(search_bar.active_match_index, Some(1));
1197        });
1198
1199        search_bar.update(cx, |search_bar, cx| {
1200            search_bar.select_prev_match(&SelectPrevMatch, cx);
1201            assert_eq!(
1202                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1203                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1204            );
1205        });
1206        search_bar.update(cx, |search_bar, _| {
1207            assert_eq!(search_bar.active_match_index, Some(0));
1208        });
1209
1210        // Park the cursor in between matches and ensure that going to the previous match selects
1211        // the closest match to the left.
1212        editor.update(cx, |editor, cx| {
1213            editor.change_selections(None, cx, |s| {
1214                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1215            });
1216        });
1217        search_bar.update(cx, |search_bar, cx| {
1218            assert_eq!(search_bar.active_match_index, Some(1));
1219            search_bar.select_prev_match(&SelectPrevMatch, cx);
1220            assert_eq!(
1221                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1222                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1223            );
1224        });
1225        search_bar.update(cx, |search_bar, _| {
1226            assert_eq!(search_bar.active_match_index, Some(0));
1227        });
1228
1229        // Park the cursor in between matches and ensure that going to the next match selects the
1230        // closest match to the right.
1231        editor.update(cx, |editor, cx| {
1232            editor.change_selections(None, cx, |s| {
1233                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1234            });
1235        });
1236        search_bar.update(cx, |search_bar, cx| {
1237            assert_eq!(search_bar.active_match_index, Some(1));
1238            search_bar.select_next_match(&SelectNextMatch, cx);
1239            assert_eq!(
1240                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1241                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1242            );
1243        });
1244        search_bar.update(cx, |search_bar, _| {
1245            assert_eq!(search_bar.active_match_index, Some(1));
1246        });
1247
1248        // Park the cursor after the last match and ensure that going to the previous match selects
1249        // the last match.
1250        editor.update(cx, |editor, cx| {
1251            editor.change_selections(None, cx, |s| {
1252                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1253            });
1254        });
1255        search_bar.update(cx, |search_bar, cx| {
1256            assert_eq!(search_bar.active_match_index, Some(2));
1257            search_bar.select_prev_match(&SelectPrevMatch, cx);
1258            assert_eq!(
1259                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1260                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1261            );
1262        });
1263        search_bar.update(cx, |search_bar, _| {
1264            assert_eq!(search_bar.active_match_index, Some(2));
1265        });
1266
1267        // Park the cursor after the last match and ensure that going to the next match selects the
1268        // first match.
1269        editor.update(cx, |editor, cx| {
1270            editor.change_selections(None, cx, |s| {
1271                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1272            });
1273        });
1274        search_bar.update(cx, |search_bar, cx| {
1275            assert_eq!(search_bar.active_match_index, Some(2));
1276            search_bar.select_next_match(&SelectNextMatch, cx);
1277            assert_eq!(
1278                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1279                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1280            );
1281        });
1282        search_bar.update(cx, |search_bar, _| {
1283            assert_eq!(search_bar.active_match_index, Some(0));
1284        });
1285
1286        // Park the cursor before the first match and ensure that going to the previous match
1287        // selects the last match.
1288        editor.update(cx, |editor, cx| {
1289            editor.change_selections(None, cx, |s| {
1290                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1291            });
1292        });
1293        search_bar.update(cx, |search_bar, cx| {
1294            assert_eq!(search_bar.active_match_index, Some(0));
1295            search_bar.select_prev_match(&SelectPrevMatch, cx);
1296            assert_eq!(
1297                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1298                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1299            );
1300        });
1301        search_bar.update(cx, |search_bar, _| {
1302            assert_eq!(search_bar.active_match_index, Some(2));
1303        });
1304    }
1305
1306    #[gpui::test]
1307    async fn test_search_option_handling(cx: &mut TestAppContext) {
1308        let (editor, search_bar, cx) = init_test(cx);
1309
1310        // show with options should make current search case sensitive
1311        search_bar
1312            .update(cx, |search_bar, cx| {
1313                search_bar.show(cx);
1314                search_bar.search("us", Some(SearchOptions::CASE_SENSITIVE), cx)
1315            })
1316            .await
1317            .unwrap();
1318        // todo! osiewicz: these tests previously asserted on background color highlights; that should be introduced back.
1319        let display_points_of = |background_highlights: Vec<(Range<DisplayPoint>, Hsla)>| {
1320            background_highlights
1321                .into_iter()
1322                .map(|(range, _)| range)
1323                .collect::<Vec<_>>()
1324        };
1325        editor.update(cx, |editor, cx| {
1326            assert_eq!(
1327                display_points_of(editor.all_text_background_highlights(cx)),
1328                &[DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),]
1329            );
1330        });
1331
1332        // search_suggested should restore default options
1333        search_bar.update(cx, |search_bar, cx| {
1334            search_bar.search_suggested(cx);
1335            assert_eq!(search_bar.search_options, SearchOptions::NONE)
1336        });
1337
1338        // toggling a search option should update the defaults
1339        search_bar
1340            .update(cx, |search_bar, cx| {
1341                search_bar.search("regex", Some(SearchOptions::CASE_SENSITIVE), cx)
1342            })
1343            .await
1344            .unwrap();
1345        search_bar.update(cx, |search_bar, cx| {
1346            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
1347        });
1348        let mut editor_notifications = cx.notifications(&editor);
1349        editor_notifications.next().await;
1350        editor.update(cx, |editor, cx| {
1351            assert_eq!(
1352                display_points_of(editor.all_text_background_highlights(cx)),
1353                &[DisplayPoint::new(0, 35)..DisplayPoint::new(0, 40),]
1354            );
1355        });
1356
1357        // defaults should still include whole word
1358        search_bar.update(cx, |search_bar, cx| {
1359            search_bar.search_suggested(cx);
1360            assert_eq!(
1361                search_bar.search_options,
1362                SearchOptions::CASE_SENSITIVE | SearchOptions::WHOLE_WORD
1363            )
1364        });
1365    }
1366
1367    #[gpui::test]
1368    async fn test_search_select_all_matches(cx: &mut TestAppContext) {
1369        init_globals(cx);
1370        let buffer_text = r#"
1371        A regular expression (shortened as regex or regexp;[1] also referred to as
1372        rational expression[2][3]) is a sequence of characters that specifies a search
1373        pattern in text. Usually such patterns are used by string-searching algorithms
1374        for "find" or "find and replace" operations on strings, or for input validation.
1375        "#
1376        .unindent();
1377        let expected_query_matches_count = buffer_text
1378            .chars()
1379            .filter(|c| c.to_ascii_lowercase() == 'a')
1380            .count();
1381        assert!(
1382            expected_query_matches_count > 1,
1383            "Should pick a query with multiple results"
1384        );
1385        let buffer = cx.build_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), buffer_text));
1386        let window = cx.add_window(|_| EmptyView {});
1387
1388        let editor = window.build_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1389
1390        let search_bar = window.build_view(cx, |cx| {
1391            let mut search_bar = BufferSearchBar::new(cx);
1392            search_bar.set_active_pane_item(Some(&editor), cx);
1393            search_bar.show(cx);
1394            search_bar
1395        });
1396
1397        window
1398            .update(cx, |_, cx| {
1399                search_bar.update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1400            })
1401            .unwrap()
1402            .await
1403            .unwrap();
1404        let initial_selections = window
1405            .update(cx, |_, cx| {
1406                search_bar.update(cx, |search_bar, cx| {
1407                    let handle = search_bar.query_editor.focus_handle(cx);
1408                    cx.focus(&handle);
1409                    search_bar.activate_current_match(cx);
1410                });
1411                assert!(
1412                    !editor.read(cx).is_focused(cx),
1413                    "Initially, the editor should not be focused"
1414                );
1415                let initial_selections = editor.update(cx, |editor, cx| {
1416                    let initial_selections = editor.selections.display_ranges(cx);
1417                    assert_eq!(
1418                        initial_selections.len(), 1,
1419                        "Expected to have only one selection before adding carets to all matches, but got: {initial_selections:?}",
1420                    );
1421                    initial_selections
1422                });
1423                search_bar.update(cx, |search_bar, cx| {
1424                    assert_eq!(search_bar.active_match_index, Some(0));
1425                    let handle = search_bar.query_editor.focus_handle(cx);
1426                    cx.focus(&handle);
1427                    search_bar.select_all_matches(&SelectAllMatches, cx);
1428                });
1429                assert!(
1430                    editor.read(cx).is_focused(cx),
1431                    "Should focus editor after successful SelectAllMatches"
1432                );
1433                search_bar.update(cx, |search_bar, cx| {
1434                    let all_selections =
1435                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1436                    assert_eq!(
1437                        all_selections.len(),
1438                        expected_query_matches_count,
1439                        "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1440                    );
1441                    assert_eq!(
1442                        search_bar.active_match_index,
1443                        Some(0),
1444                        "Match index should not change after selecting all matches"
1445                    );
1446                });
1447
1448                search_bar.update(cx, |this, cx| this.select_next_match(&SelectNextMatch, cx));
1449                initial_selections
1450            }).unwrap();
1451
1452        window
1453            .update(cx, |_, cx| {
1454                assert!(
1455                    editor.read(cx).is_focused(cx),
1456                    "Should still have editor focused after SelectNextMatch"
1457                );
1458                search_bar.update(cx, |search_bar, cx| {
1459                    let all_selections =
1460                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1461                    assert_eq!(
1462                        all_selections.len(),
1463                        1,
1464                        "On next match, should deselect items and select the next match"
1465                    );
1466                    assert_ne!(
1467                        all_selections, initial_selections,
1468                        "Next match should be different from the first selection"
1469                    );
1470                    assert_eq!(
1471                        search_bar.active_match_index,
1472                        Some(1),
1473                        "Match index should be updated to the next one"
1474                    );
1475                    let handle = search_bar.query_editor.focus_handle(cx);
1476                    cx.focus(&handle);
1477                    search_bar.select_all_matches(&SelectAllMatches, cx);
1478                });
1479            })
1480            .unwrap();
1481        window
1482            .update(cx, |_, cx| {
1483                assert!(
1484                    editor.read(cx).is_focused(cx),
1485                    "Should focus editor after successful SelectAllMatches"
1486                );
1487                search_bar.update(cx, |search_bar, cx| {
1488                    let all_selections =
1489                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1490                    assert_eq!(
1491                    all_selections.len(),
1492                    expected_query_matches_count,
1493                    "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1494                );
1495                    assert_eq!(
1496                        search_bar.active_match_index,
1497                        Some(1),
1498                        "Match index should not change after selecting all matches"
1499                    );
1500                });
1501                search_bar.update(cx, |search_bar, cx| {
1502                    search_bar.select_prev_match(&SelectPrevMatch, cx);
1503                });
1504            })
1505            .unwrap();
1506        let last_match_selections = window
1507            .update(cx, |_, cx| {
1508                assert!(
1509                    editor.read(cx).is_focused(&cx),
1510                    "Should still have editor focused after SelectPrevMatch"
1511                );
1512
1513                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            .unwrap();
1534
1535        window
1536            .update(cx, |_, cx| {
1537                search_bar.update(cx, |search_bar, cx| {
1538                    let handle = search_bar.query_editor.focus_handle(cx);
1539                    cx.focus(&handle);
1540                    search_bar.search("abas_nonexistent_match", None, cx)
1541                })
1542            })
1543            .unwrap()
1544            .await
1545            .unwrap();
1546        window
1547            .update(cx, |_, cx| {
1548                search_bar.update(cx, |search_bar, cx| {
1549                    search_bar.select_all_matches(&SelectAllMatches, cx);
1550                });
1551                assert!(
1552                    editor.update(cx, |this, cx| !this.is_focused(cx.window_context())),
1553                    "Should not switch focus to editor if SelectAllMatches does not find any matches"
1554                );
1555                search_bar.update(cx, |search_bar, cx| {
1556                    let all_selections =
1557                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1558                    assert_eq!(
1559                        all_selections, last_match_selections,
1560                        "Should not select anything new if there are no matches"
1561                    );
1562                    assert!(
1563                        search_bar.active_match_index.is_none(),
1564                        "For no matches, there should be no active match index"
1565                    );
1566                });
1567            })
1568            .unwrap();
1569    }
1570
1571    #[gpui::test]
1572    async fn test_search_query_history(cx: &mut TestAppContext) {
1573        //crate::project_search::tests::init_test(cx);
1574        init_globals(cx);
1575        let buffer_text = r#"
1576        A regular expression (shortened as regex or regexp;[1] also referred to as
1577        rational expression[2][3]) is a sequence of characters that specifies a search
1578        pattern in text. Usually such patterns are used by string-searching algorithms
1579        for "find" or "find and replace" operations on strings, or for input validation.
1580        "#
1581        .unindent();
1582        let buffer = cx.build_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), buffer_text));
1583        let (_, cx) = cx.add_window_view(|_| EmptyView {});
1584
1585        let editor = cx.build_view(|cx| Editor::for_buffer(buffer.clone(), None, cx));
1586
1587        let search_bar = cx.build_view(|cx| {
1588            let mut search_bar = BufferSearchBar::new(cx);
1589            search_bar.set_active_pane_item(Some(&editor), cx);
1590            search_bar.show(cx);
1591            search_bar
1592        });
1593
1594        // Add 3 search items into the history.
1595        search_bar
1596            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1597            .await
1598            .unwrap();
1599        search_bar
1600            .update(cx, |search_bar, cx| search_bar.search("b", None, cx))
1601            .await
1602            .unwrap();
1603        search_bar
1604            .update(cx, |search_bar, cx| {
1605                search_bar.search("c", Some(SearchOptions::CASE_SENSITIVE), cx)
1606            })
1607            .await
1608            .unwrap();
1609        // Ensure that the latest search is active.
1610        search_bar.update(cx, |search_bar, cx| {
1611            assert_eq!(search_bar.query(cx), "c");
1612            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1613        });
1614
1615        // Next history query after the latest should set the query to the empty string.
1616        search_bar.update(cx, |search_bar, cx| {
1617            search_bar.next_history_query(&NextHistoryQuery, cx);
1618        });
1619        search_bar.update(cx, |search_bar, cx| {
1620            assert_eq!(search_bar.query(cx), "");
1621            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1622        });
1623        search_bar.update(cx, |search_bar, cx| {
1624            search_bar.next_history_query(&NextHistoryQuery, cx);
1625        });
1626        search_bar.update(cx, |search_bar, cx| {
1627            assert_eq!(search_bar.query(cx), "");
1628            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1629        });
1630
1631        // First previous query for empty current query should set the query to the latest.
1632        search_bar.update(cx, |search_bar, cx| {
1633            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1634        });
1635        search_bar.update(cx, |search_bar, cx| {
1636            assert_eq!(search_bar.query(cx), "c");
1637            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1638        });
1639
1640        // Further previous items should go over the history in reverse order.
1641        search_bar.update(cx, |search_bar, cx| {
1642            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1643        });
1644        search_bar.update(cx, |search_bar, cx| {
1645            assert_eq!(search_bar.query(cx), "b");
1646            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1647        });
1648
1649        // Previous items should never go behind the first history item.
1650        search_bar.update(cx, |search_bar, cx| {
1651            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1652        });
1653        search_bar.update(cx, |search_bar, cx| {
1654            assert_eq!(search_bar.query(cx), "a");
1655            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1656        });
1657        search_bar.update(cx, |search_bar, cx| {
1658            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1659        });
1660        search_bar.update(cx, |search_bar, cx| {
1661            assert_eq!(search_bar.query(cx), "a");
1662            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1663        });
1664
1665        // Next items should go over the history in the original order.
1666        search_bar.update(cx, |search_bar, cx| {
1667            search_bar.next_history_query(&NextHistoryQuery, cx);
1668        });
1669        search_bar.update(cx, |search_bar, cx| {
1670            assert_eq!(search_bar.query(cx), "b");
1671            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1672        });
1673
1674        search_bar
1675            .update(cx, |search_bar, cx| search_bar.search("ba", None, cx))
1676            .await
1677            .unwrap();
1678        search_bar.update(cx, |search_bar, cx| {
1679            assert_eq!(search_bar.query(cx), "ba");
1680            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1681        });
1682
1683        // New search input should add another entry to history and move the selection to the end of the history.
1684        search_bar.update(cx, |search_bar, cx| {
1685            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1686        });
1687        search_bar.update(cx, |search_bar, cx| {
1688            assert_eq!(search_bar.query(cx), "c");
1689            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1690        });
1691        search_bar.update(cx, |search_bar, cx| {
1692            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1693        });
1694        search_bar.update(cx, |search_bar, cx| {
1695            assert_eq!(search_bar.query(cx), "b");
1696            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1697        });
1698        search_bar.update(cx, |search_bar, cx| {
1699            search_bar.next_history_query(&NextHistoryQuery, cx);
1700        });
1701        search_bar.update(cx, |search_bar, cx| {
1702            assert_eq!(search_bar.query(cx), "c");
1703            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1704        });
1705        search_bar.update(cx, |search_bar, cx| {
1706            search_bar.next_history_query(&NextHistoryQuery, cx);
1707        });
1708        search_bar.update(cx, |search_bar, cx| {
1709            assert_eq!(search_bar.query(cx), "ba");
1710            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1711        });
1712        search_bar.update(cx, |search_bar, cx| {
1713            search_bar.next_history_query(&NextHistoryQuery, cx);
1714        });
1715        search_bar.update(cx, |search_bar, cx| {
1716            assert_eq!(search_bar.query(cx), "");
1717            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1718        });
1719    }
1720
1721    #[gpui::test]
1722    async fn test_replace_simple(cx: &mut TestAppContext) {
1723        let (editor, search_bar, cx) = init_test(cx);
1724
1725        search_bar
1726            .update(cx, |search_bar, cx| {
1727                search_bar.search("expression", None, cx)
1728            })
1729            .await
1730            .unwrap();
1731
1732        search_bar.update(cx, |search_bar, cx| {
1733            search_bar.replacement_editor.update(cx, |editor, cx| {
1734                // We use $1 here as initially we should be in Text mode, where `$1` should be treated literally.
1735                editor.set_text("expr$1", cx);
1736            });
1737            search_bar.replace_all(&ReplaceAll, cx)
1738        });
1739        assert_eq!(
1740            editor.update(cx, |this, cx| { this.text(cx) }),
1741            r#"
1742        A regular expr$1 (shortened as regex or regexp;[1] also referred to as
1743        rational expr$1[2][3]) is a sequence of characters that specifies a search
1744        pattern in text. Usually such patterns are used by string-searching algorithms
1745        for "find" or "find and replace" operations on strings, or for input validation.
1746        "#
1747            .unindent()
1748        );
1749
1750        // Search for word boundaries and replace just a single one.
1751        search_bar
1752            .update(cx, |search_bar, cx| {
1753                search_bar.search("or", Some(SearchOptions::WHOLE_WORD), cx)
1754            })
1755            .await
1756            .unwrap();
1757
1758        search_bar.update(cx, |search_bar, cx| {
1759            search_bar.replacement_editor.update(cx, |editor, cx| {
1760                editor.set_text("banana", cx);
1761            });
1762            search_bar.replace_next(&ReplaceNext, cx)
1763        });
1764        // Notice how the first or in the text (shORtened) is not replaced. Neither are the remaining hits of `or` in the text.
1765        assert_eq!(
1766            editor.update(cx, |this, cx| { this.text(cx) }),
1767            r#"
1768        A regular expr$1 (shortened as regex banana regexp;[1] also referred to as
1769        rational expr$1[2][3]) is a sequence of characters that specifies a search
1770        pattern in text. Usually such patterns are used by string-searching algorithms
1771        for "find" or "find and replace" operations on strings, or for input validation.
1772        "#
1773            .unindent()
1774        );
1775        // Let's turn on regex mode.
1776        search_bar
1777            .update(cx, |search_bar, cx| {
1778                search_bar.activate_search_mode(SearchMode::Regex, cx);
1779                search_bar.search("\\[([^\\]]+)\\]", None, cx)
1780            })
1781            .await
1782            .unwrap();
1783        search_bar.update(cx, |search_bar, cx| {
1784            search_bar.replacement_editor.update(cx, |editor, cx| {
1785                editor.set_text("${1}number", cx);
1786            });
1787            search_bar.replace_all(&ReplaceAll, cx)
1788        });
1789        assert_eq!(
1790            editor.update(cx, |this, cx| { this.text(cx) }),
1791            r#"
1792        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1793        rational expr$12number3number) is a sequence of characters that specifies a search
1794        pattern in text. Usually such patterns are used by string-searching algorithms
1795        for "find" or "find and replace" operations on strings, or for input validation.
1796        "#
1797            .unindent()
1798        );
1799        // Now with a whole-word twist.
1800        search_bar
1801            .update(cx, |search_bar, cx| {
1802                search_bar.activate_search_mode(SearchMode::Regex, cx);
1803                search_bar.search("a\\w+s", Some(SearchOptions::WHOLE_WORD), cx)
1804            })
1805            .await
1806            .unwrap();
1807        search_bar.update(cx, |search_bar, cx| {
1808            search_bar.replacement_editor.update(cx, |editor, cx| {
1809                editor.set_text("things", cx);
1810            });
1811            search_bar.replace_all(&ReplaceAll, cx)
1812        });
1813        // The only word affected by this edit should be `algorithms`, even though there's a bunch
1814        // of words in this text that would match this regex if not for WHOLE_WORD.
1815        assert_eq!(
1816            editor.update(cx, |this, cx| { this.text(cx) }),
1817            r#"
1818        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1819        rational expr$12number3number) is a sequence of characters that specifies a search
1820        pattern in text. Usually such patterns are used by string-searching things
1821        for "find" or "find and replace" operations on strings, or for input validation.
1822        "#
1823            .unindent()
1824        );
1825    }
1826}