buffer_search.rs

   1use crate::{
   2    history::SearchHistory,
   3    mode::{next_mode, SearchMode},
   4    search_bar::render_nav_button,
   5    ActivateRegexMode, ActivateTextMode, CycleMode, NextHistoryQuery, PreviousHistoryQuery,
   6    ReplaceAll, ReplaceNext, SearchOptions, SelectAllMatches, SelectNextMatch, SelectPrevMatch,
   7    ToggleCaseSensitive, ToggleReplace, ToggleWholeWord,
   8};
   9use collections::HashMap;
  10use editor::{actions::Tab, Editor, EditorElement, EditorStyle};
  11use futures::channel::oneshot;
  12use gpui::{
  13    actions, div, impl_actions, Action, AppContext, ClickEvent, 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_flex, prelude::*, Icon, IconButton, IconName, ToggleButton, 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(|workspace: &mut Workspace, _| BufferSearchBar::register(workspace))
  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(cx) {
  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    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
 105        if self.dismissed {
 106            return div();
 107        }
 108
 109        let supported_options = self.supported_options();
 110
 111        if self.query_editor.read(cx).placeholder_text().is_none() {
 112            let query_focus_handle = self.query_editor.focus_handle(cx);
 113            let up_keystrokes = cx
 114                .bindings_for_action_in(&PreviousHistoryQuery {}, &query_focus_handle)
 115                .into_iter()
 116                .next()
 117                .map(|binding| {
 118                    binding
 119                        .keystrokes()
 120                        .iter()
 121                        .map(|k| k.to_string())
 122                        .collect::<Vec<_>>()
 123                });
 124            let down_keystrokes = cx
 125                .bindings_for_action_in(&NextHistoryQuery {}, &query_focus_handle)
 126                .into_iter()
 127                .next()
 128                .map(|binding| {
 129                    binding
 130                        .keystrokes()
 131                        .iter()
 132                        .map(|k| k.to_string())
 133                        .collect::<Vec<_>>()
 134                });
 135
 136            let placeholder_text =
 137                up_keystrokes
 138                    .zip(down_keystrokes)
 139                    .map(|(up_keystrokes, down_keystrokes)| {
 140                        Arc::from(format!(
 141                            "Search ({}/{} for previous/next query)",
 142                            up_keystrokes.join(" "),
 143                            down_keystrokes.join(" ")
 144                        ))
 145                    });
 146
 147            if let Some(placeholder_text) = placeholder_text {
 148                self.query_editor.update(cx, |editor, cx| {
 149                    editor.set_placeholder_text(placeholder_text, cx);
 150                });
 151            }
 152        }
 153
 154        self.replacement_editor.update(cx, |editor, cx| {
 155            editor.set_placeholder_text("Replace with...", cx);
 156        });
 157
 158        let match_count = self
 159            .active_searchable_item
 160            .as_ref()
 161            .and_then(|searchable_item| {
 162                if self.query(cx).is_empty() {
 163                    return None;
 164                }
 165                let matches = self
 166                    .searchable_items_with_matches
 167                    .get(&searchable_item.downgrade())?;
 168                let message = if let Some(match_ix) = self.active_match_index {
 169                    format!("{}/{}", match_ix + 1, matches.len())
 170                } else {
 171                    "No matches".to_string()
 172                };
 173
 174                Some(ui::Label::new(message))
 175            });
 176        let should_show_replace_input = self.replace_enabled && supported_options.replacement;
 177        let in_replace = self.replacement_editor.focus_handle(cx).is_focused(cx);
 178
 179        let mut key_context = KeyContext::default();
 180        key_context.add("BufferSearchBar");
 181        if in_replace {
 182            key_context.add("in_replace");
 183        }
 184        let editor_border = if self.query_contains_error {
 185            Color::Error.color(cx)
 186        } else {
 187            cx.theme().colors().border
 188        };
 189        h_flex()
 190            .w_full()
 191            .gap_2()
 192            .key_context(key_context)
 193            .capture_action(cx.listener(Self::tab))
 194            .on_action(cx.listener(Self::previous_history_query))
 195            .on_action(cx.listener(Self::next_history_query))
 196            .on_action(cx.listener(Self::dismiss))
 197            .on_action(cx.listener(Self::select_next_match))
 198            .on_action(cx.listener(Self::select_prev_match))
 199            .on_action(cx.listener(|this, _: &ActivateRegexMode, cx| {
 200                this.activate_search_mode(SearchMode::Regex, cx);
 201            }))
 202            .on_action(cx.listener(|this, _: &ActivateTextMode, cx| {
 203                this.activate_search_mode(SearchMode::Text, cx);
 204            }))
 205            .when(self.supported_options().replacement, |this| {
 206                this.on_action(cx.listener(Self::toggle_replace))
 207                    .when(in_replace, |this| {
 208                        this.on_action(cx.listener(Self::replace_next))
 209                            .on_action(cx.listener(Self::replace_all))
 210                    })
 211            })
 212            .when(self.supported_options().case, |this| {
 213                this.on_action(cx.listener(Self::toggle_case_sensitive))
 214            })
 215            .when(self.supported_options().word, |this| {
 216                this.on_action(cx.listener(Self::toggle_whole_word))
 217            })
 218            .child(
 219                h_flex()
 220                    .flex_1()
 221                    .px_2()
 222                    .py_1()
 223                    .gap_2()
 224                    .border_1()
 225                    .border_color(editor_border)
 226                    .min_w(rems(384. / 16.))
 227                    .rounded_lg()
 228                    .child(Icon::new(IconName::MagnifyingGlass))
 229                    .child(self.render_text_input(&self.query_editor, cx))
 230                    .children(supported_options.case.then(|| {
 231                        self.render_search_option_button(
 232                            SearchOptions::CASE_SENSITIVE,
 233                            cx.listener(|this, _, cx| {
 234                                this.toggle_case_sensitive(&ToggleCaseSensitive, cx)
 235                            }),
 236                        )
 237                    }))
 238                    .children(supported_options.word.then(|| {
 239                        self.render_search_option_button(
 240                            SearchOptions::WHOLE_WORD,
 241                            cx.listener(|this, _, cx| this.toggle_whole_word(&ToggleWholeWord, cx)),
 242                        )
 243                    })),
 244            )
 245            .child(
 246                h_flex()
 247                    .gap_2()
 248                    .flex_none()
 249                    .child(
 250                        h_flex()
 251                            .child(
 252                                ToggleButton::new("search-mode-text", SearchMode::Text.label())
 253                                    .style(ButtonStyle::Filled)
 254                                    .size(ButtonSize::Large)
 255                                    .selected(self.current_mode == SearchMode::Text)
 256                                    .on_click(cx.listener(move |_, _event, cx| {
 257                                        cx.dispatch_action(SearchMode::Text.action())
 258                                    }))
 259                                    .tooltip(|cx| {
 260                                        Tooltip::for_action(
 261                                            SearchMode::Text.tooltip(),
 262                                            &*SearchMode::Text.action(),
 263                                            cx,
 264                                        )
 265                                    })
 266                                    .first(),
 267                            )
 268                            .child(
 269                                ToggleButton::new("search-mode-regex", SearchMode::Regex.label())
 270                                    .style(ButtonStyle::Filled)
 271                                    .size(ButtonSize::Large)
 272                                    .selected(self.current_mode == SearchMode::Regex)
 273                                    .on_click(cx.listener(move |_, _event, cx| {
 274                                        cx.dispatch_action(SearchMode::Regex.action())
 275                                    }))
 276                                    .tooltip(|cx| {
 277                                        Tooltip::for_action(
 278                                            SearchMode::Regex.tooltip(),
 279                                            &*SearchMode::Regex.action(),
 280                                            cx,
 281                                        )
 282                                    })
 283                                    .last(),
 284                            ),
 285                    )
 286                    .when(supported_options.replacement, |this| {
 287                        this.child(
 288                            IconButton::new(
 289                                "buffer-search-bar-toggle-replace-button",
 290                                IconName::Replace,
 291                            )
 292                            .style(ButtonStyle::Subtle)
 293                            .when(self.replace_enabled, |button| {
 294                                button.style(ButtonStyle::Filled)
 295                            })
 296                            .on_click(cx.listener(|this, _: &ClickEvent, cx| {
 297                                this.toggle_replace(&ToggleReplace, cx);
 298                            }))
 299                            .tooltip(|cx| {
 300                                Tooltip::for_action("Toggle replace", &ToggleReplace, cx)
 301                            }),
 302                        )
 303                    }),
 304            )
 305            .child(
 306                h_flex()
 307                    .gap_0p5()
 308                    .flex_1()
 309                    .when(self.replace_enabled, |this| {
 310                        this.child(
 311                            h_flex()
 312                                .flex_1()
 313                                // We're giving this a fixed height to match the height of the search input,
 314                                // which has an icon inside that is increasing its height.
 315                                .h_8()
 316                                .px_2()
 317                                .py_1()
 318                                .gap_2()
 319                                .border_1()
 320                                .border_color(cx.theme().colors().border)
 321                                .rounded_lg()
 322                                .child(self.render_text_input(&self.replacement_editor, cx)),
 323                        )
 324                        .when(should_show_replace_input, |this| {
 325                            this.child(
 326                                IconButton::new("search-replace-next", ui::IconName::ReplaceNext)
 327                                    .tooltip(move |cx| {
 328                                        Tooltip::for_action("Replace next", &ReplaceNext, cx)
 329                                    })
 330                                    .on_click(cx.listener(|this, _, cx| {
 331                                        this.replace_next(&ReplaceNext, cx)
 332                                    })),
 333                            )
 334                            .child(
 335                                IconButton::new("search-replace-all", ui::IconName::ReplaceAll)
 336                                    .tooltip(move |cx| {
 337                                        Tooltip::for_action("Replace all", &ReplaceAll, cx)
 338                                    })
 339                                    .on_click(
 340                                        cx.listener(|this, _, cx| {
 341                                            this.replace_all(&ReplaceAll, cx)
 342                                        }),
 343                                    ),
 344                            )
 345                        })
 346                    }),
 347            )
 348            .child(
 349                h_flex()
 350                    .gap_0p5()
 351                    .flex_none()
 352                    .child(
 353                        IconButton::new("select-all", ui::IconName::SelectAll)
 354                            .on_click(|_, cx| cx.dispatch_action(SelectAllMatches.boxed_clone()))
 355                            .tooltip(|cx| {
 356                                Tooltip::for_action("Select all matches", &SelectAllMatches, cx)
 357                            }),
 358                    )
 359                    .children(match_count)
 360                    .child(render_nav_button(
 361                        ui::IconName::ChevronLeft,
 362                        self.active_match_index.is_some(),
 363                        "Select previous match",
 364                        &SelectPrevMatch,
 365                    ))
 366                    .child(render_nav_button(
 367                        ui::IconName::ChevronRight,
 368                        self.active_match_index.is_some(),
 369                        "Select next match",
 370                        &SelectNextMatch,
 371                    )),
 372            )
 373    }
 374}
 375
 376impl FocusableView for BufferSearchBar {
 377    fn focus_handle(&self, cx: &AppContext) -> gpui::FocusHandle {
 378        self.query_editor.focus_handle(cx)
 379    }
 380}
 381
 382impl ToolbarItemView for BufferSearchBar {
 383    fn set_active_pane_item(
 384        &mut self,
 385        item: Option<&dyn ItemHandle>,
 386        cx: &mut ViewContext<Self>,
 387    ) -> ToolbarItemLocation {
 388        cx.notify();
 389        self.active_searchable_item_subscription.take();
 390        self.active_searchable_item.take();
 391
 392        self.pending_search.take();
 393
 394        if let Some(searchable_item_handle) =
 395            item.and_then(|item| item.to_searchable_item_handle(cx))
 396        {
 397            let this = cx.view().downgrade();
 398
 399            searchable_item_handle
 400                .subscribe_to_search_events(
 401                    cx,
 402                    Box::new(move |search_event, cx| {
 403                        if let Some(this) = this.upgrade() {
 404                            this.update(cx, |this, cx| {
 405                                this.on_active_searchable_item_event(search_event, cx)
 406                            });
 407                        }
 408                    }),
 409                )
 410                .detach();
 411
 412            self.active_searchable_item = Some(searchable_item_handle);
 413            let _ = self.update_matches(cx);
 414            if !self.dismissed {
 415                return ToolbarItemLocation::Secondary;
 416            }
 417        }
 418        ToolbarItemLocation::Hidden
 419    }
 420
 421    fn row_count(&self, _: &WindowContext<'_>) -> usize {
 422        1
 423    }
 424}
 425
 426/// Registrar inverts the dependency between search and its downstream user, allowing said downstream user to register search action without knowing exactly what those actions are.
 427pub trait SearchActionsRegistrar {
 428    fn register_handler<A: Action>(
 429        &mut self,
 430        callback: fn(&mut BufferSearchBar, &A, &mut ViewContext<BufferSearchBar>),
 431    );
 432
 433    fn register_handler_for_dismissed_search<A: Action>(
 434        &mut self,
 435        callback: fn(&mut BufferSearchBar, &A, &mut ViewContext<BufferSearchBar>),
 436    );
 437}
 438
 439type GetSearchBar<T> =
 440    for<'a, 'b> fn(&'a T, &'a mut ViewContext<'b, T>) -> Option<View<BufferSearchBar>>;
 441
 442/// Registers search actions on a div that can be taken out.
 443pub struct DivRegistrar<'a, 'b, T: 'static> {
 444    div: Option<Div>,
 445    cx: &'a mut ViewContext<'b, T>,
 446    search_getter: GetSearchBar<T>,
 447}
 448
 449impl<'a, 'b, T: 'static> DivRegistrar<'a, 'b, T> {
 450    pub fn new(search_getter: GetSearchBar<T>, cx: &'a mut ViewContext<'b, T>) -> Self {
 451        Self {
 452            div: Some(div()),
 453            cx,
 454            search_getter,
 455        }
 456    }
 457    pub fn into_div(self) -> Div {
 458        // This option is always Some; it's an option in the first place because we want to call methods
 459        // on div that require ownership.
 460        self.div.unwrap()
 461    }
 462}
 463
 464impl<T: 'static> SearchActionsRegistrar for DivRegistrar<'_, '_, T> {
 465    fn register_handler<A: Action>(
 466        &mut self,
 467        callback: fn(&mut BufferSearchBar, &A, &mut ViewContext<BufferSearchBar>),
 468    ) {
 469        let getter = self.search_getter;
 470        self.div = self.div.take().map(|div| {
 471            div.on_action(self.cx.listener(move |this, action, cx| {
 472                let should_notify = (getter)(this, cx)
 473                    .clone()
 474                    .map(|search_bar| {
 475                        search_bar.update(cx, |search_bar, cx| {
 476                            if search_bar.is_dismissed()
 477                                || search_bar.active_searchable_item.is_none()
 478                            {
 479                                false
 480                            } else {
 481                                callback(search_bar, action, cx);
 482                                true
 483                            }
 484                        })
 485                    })
 486                    .unwrap_or(false);
 487                if should_notify {
 488                    cx.notify();
 489                } else {
 490                    cx.propagate();
 491                }
 492            }))
 493        });
 494    }
 495
 496    fn register_handler_for_dismissed_search<A: Action>(
 497        &mut self,
 498        callback: fn(&mut BufferSearchBar, &A, &mut ViewContext<BufferSearchBar>),
 499    ) {
 500        let getter = self.search_getter;
 501        self.div = self.div.take().map(|div| {
 502            div.on_action(self.cx.listener(move |this, action, cx| {
 503                let should_notify = (getter)(this, cx)
 504                    .clone()
 505                    .map(|search_bar| {
 506                        search_bar.update(cx, |search_bar, cx| {
 507                            if search_bar.is_dismissed() {
 508                                callback(search_bar, action, cx);
 509                                true
 510                            } else {
 511                                false
 512                            }
 513                        })
 514                    })
 515                    .unwrap_or(false);
 516                if should_notify {
 517                    cx.notify();
 518                } else {
 519                    cx.propagate();
 520                }
 521            }))
 522        });
 523    }
 524}
 525
 526/// Register actions for an active pane.
 527impl SearchActionsRegistrar for Workspace {
 528    fn register_handler<A: Action>(
 529        &mut self,
 530        callback: fn(&mut BufferSearchBar, &A, &mut ViewContext<BufferSearchBar>),
 531    ) {
 532        self.register_action(move |workspace, action: &A, cx| {
 533            if workspace.has_active_modal(cx) {
 534                cx.propagate();
 535                return;
 536            }
 537
 538            let pane = workspace.active_pane();
 539            pane.update(cx, move |this, cx| {
 540                this.toolbar().update(cx, move |this, cx| {
 541                    if let Some(search_bar) = this.item_of_type::<BufferSearchBar>() {
 542                        let should_notify = search_bar.update(cx, move |search_bar, cx| {
 543                            if search_bar.is_dismissed()
 544                                || search_bar.active_searchable_item.is_none()
 545                            {
 546                                false
 547                            } else {
 548                                callback(search_bar, action, cx);
 549                                true
 550                            }
 551                        });
 552                        if should_notify {
 553                            cx.notify();
 554                        } else {
 555                            cx.propagate();
 556                        }
 557                    }
 558                })
 559            });
 560        });
 561    }
 562
 563    fn register_handler_for_dismissed_search<A: Action>(
 564        &mut self,
 565        callback: fn(&mut BufferSearchBar, &A, &mut ViewContext<BufferSearchBar>),
 566    ) {
 567        self.register_action(move |workspace, action: &A, cx| {
 568            if workspace.has_active_modal(cx) {
 569                cx.propagate();
 570                return;
 571            }
 572
 573            let pane = workspace.active_pane();
 574            pane.update(cx, move |this, cx| {
 575                this.toolbar().update(cx, move |this, cx| {
 576                    if let Some(search_bar) = this.item_of_type::<BufferSearchBar>() {
 577                        let should_notify = search_bar.update(cx, move |search_bar, cx| {
 578                            if search_bar.is_dismissed() {
 579                                callback(search_bar, action, cx);
 580                                true
 581                            } else {
 582                                false
 583                            }
 584                        });
 585                        if should_notify {
 586                            cx.notify();
 587                        } else {
 588                            cx.propagate();
 589                        }
 590                    }
 591                })
 592            });
 593        });
 594    }
 595}
 596
 597impl BufferSearchBar {
 598    pub fn register(registrar: &mut impl SearchActionsRegistrar) {
 599        registrar.register_handler(|this, action: &ToggleCaseSensitive, cx| {
 600            if this.supported_options().case {
 601                this.toggle_case_sensitive(action, cx);
 602            }
 603        });
 604        registrar.register_handler(|this, action: &ToggleWholeWord, cx| {
 605            if this.supported_options().word {
 606                this.toggle_whole_word(action, cx);
 607            }
 608        });
 609        registrar.register_handler(|this, action: &ToggleReplace, cx| {
 610            if this.supported_options().replacement {
 611                this.toggle_replace(action, cx);
 612            }
 613        });
 614        registrar.register_handler(|this, _: &ActivateRegexMode, cx| {
 615            if this.supported_options().regex {
 616                this.activate_search_mode(SearchMode::Regex, cx);
 617            }
 618        });
 619        registrar.register_handler(|this, _: &ActivateTextMode, cx| {
 620            this.activate_search_mode(SearchMode::Text, cx);
 621        });
 622        registrar.register_handler(|this, action: &CycleMode, cx| {
 623            if this.supported_options().regex {
 624                // If regex is not supported then search has just one mode (text) - in that case there's no point in supporting
 625                // cycling.
 626                this.cycle_mode(action, cx)
 627            }
 628        });
 629        registrar.register_handler(|this, action: &SelectNextMatch, cx| {
 630            this.select_next_match(action, cx);
 631        });
 632        registrar.register_handler(|this, action: &SelectPrevMatch, cx| {
 633            this.select_prev_match(action, cx);
 634        });
 635        registrar.register_handler(|this, action: &SelectAllMatches, cx| {
 636            this.select_all_matches(action, cx);
 637        });
 638        registrar.register_handler(|this, _: &editor::actions::Cancel, cx| {
 639            this.dismiss(&Dismiss, cx);
 640        });
 641
 642        // register deploy buffer search for both search bar states, since we want to focus into the search bar
 643        // when the deploy action is triggered in the buffer.
 644        registrar.register_handler(|this, deploy, cx| {
 645            this.deploy(deploy, cx);
 646        });
 647        registrar.register_handler_for_dismissed_search(|this, deploy, cx| {
 648            this.deploy(deploy, cx);
 649        })
 650    }
 651
 652    pub fn new(cx: &mut ViewContext<Self>) -> Self {
 653        let query_editor = cx.new_view(|cx| Editor::single_line(cx));
 654        cx.subscribe(&query_editor, Self::on_query_editor_event)
 655            .detach();
 656        let replacement_editor = cx.new_view(|cx| Editor::single_line(cx));
 657        cx.subscribe(&replacement_editor, Self::on_query_editor_event)
 658            .detach();
 659        Self {
 660            query_editor,
 661            replacement_editor,
 662            active_searchable_item: None,
 663            active_searchable_item_subscription: None,
 664            active_match_index: None,
 665            searchable_items_with_matches: Default::default(),
 666            default_options: SearchOptions::NONE,
 667            search_options: SearchOptions::NONE,
 668            pending_search: None,
 669            query_contains_error: false,
 670            dismissed: true,
 671            search_history: SearchHistory::default(),
 672            current_mode: SearchMode::default(),
 673            active_search: None,
 674            replace_enabled: false,
 675        }
 676    }
 677
 678    pub fn is_dismissed(&self) -> bool {
 679        self.dismissed
 680    }
 681
 682    pub fn dismiss(&mut self, _: &Dismiss, cx: &mut ViewContext<Self>) {
 683        self.dismissed = true;
 684        for searchable_item in self.searchable_items_with_matches.keys() {
 685            if let Some(searchable_item) =
 686                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 687            {
 688                searchable_item.clear_matches(cx);
 689            }
 690        }
 691        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 692            let handle = active_editor.focus_handle(cx);
 693            cx.focus(&handle);
 694        }
 695        cx.emit(Event::UpdateLocation);
 696        cx.emit(ToolbarItemEvent::ChangeLocation(
 697            ToolbarItemLocation::Hidden,
 698        ));
 699        cx.notify();
 700    }
 701
 702    pub fn deploy(&mut self, deploy: &Deploy, cx: &mut ViewContext<Self>) -> bool {
 703        if self.show(cx) {
 704            self.search_suggested(cx);
 705            if deploy.focus {
 706                self.select_query(cx);
 707                let handle = self.query_editor.focus_handle(cx);
 708                cx.focus(&handle);
 709            }
 710            return true;
 711        }
 712
 713        false
 714    }
 715
 716    pub fn toggle(&mut self, action: &Deploy, cx: &mut ViewContext<Self>) {
 717        if self.is_dismissed() {
 718            self.deploy(action, cx);
 719        } else {
 720            self.dismiss(&Dismiss, cx);
 721        }
 722    }
 723
 724    pub fn show(&mut self, cx: &mut ViewContext<Self>) -> bool {
 725        if self.active_searchable_item.is_none() {
 726            return false;
 727        }
 728        self.dismissed = false;
 729        cx.notify();
 730        cx.emit(Event::UpdateLocation);
 731        cx.emit(ToolbarItemEvent::ChangeLocation(
 732            ToolbarItemLocation::Secondary,
 733        ));
 734        true
 735    }
 736
 737    fn supported_options(&self) -> workspace::searchable::SearchOptions {
 738        self.active_searchable_item
 739            .as_deref()
 740            .map(SearchableItemHandle::supported_options)
 741            .unwrap_or_default()
 742    }
 743    pub fn search_suggested(&mut self, cx: &mut ViewContext<Self>) {
 744        let search = self
 745            .query_suggestion(cx)
 746            .map(|suggestion| self.search(&suggestion, Some(self.default_options), cx));
 747
 748        if let Some(search) = search {
 749            cx.spawn(|this, mut cx| async move {
 750                search.await?;
 751                this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 752            })
 753            .detach_and_log_err(cx);
 754        }
 755    }
 756
 757    pub fn activate_current_match(&mut self, cx: &mut ViewContext<Self>) {
 758        if let Some(match_ix) = self.active_match_index {
 759            if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 760                if let Some(matches) = self
 761                    .searchable_items_with_matches
 762                    .get(&active_searchable_item.downgrade())
 763                {
 764                    active_searchable_item.activate_match(match_ix, matches, cx)
 765                }
 766            }
 767        }
 768    }
 769
 770    pub fn select_query(&mut self, cx: &mut ViewContext<Self>) {
 771        self.query_editor.update(cx, |query_editor, cx| {
 772            query_editor.select_all(&Default::default(), cx);
 773        });
 774    }
 775
 776    pub fn query(&self, cx: &WindowContext) -> String {
 777        self.query_editor.read(cx).text(cx)
 778    }
 779    pub fn replacement(&self, cx: &WindowContext) -> String {
 780        self.replacement_editor.read(cx).text(cx)
 781    }
 782    pub fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> Option<String> {
 783        self.active_searchable_item
 784            .as_ref()
 785            .map(|searchable_item| searchable_item.query_suggestion(cx))
 786            .filter(|suggestion| !suggestion.is_empty())
 787    }
 788
 789    pub fn set_replacement(&mut self, replacement: Option<&str>, cx: &mut ViewContext<Self>) {
 790        if replacement.is_none() {
 791            self.replace_enabled = false;
 792            return;
 793        }
 794        self.replace_enabled = true;
 795        self.replacement_editor
 796            .update(cx, |replacement_editor, cx| {
 797                replacement_editor
 798                    .buffer()
 799                    .update(cx, |replacement_buffer, cx| {
 800                        let len = replacement_buffer.len(cx);
 801                        replacement_buffer.edit([(0..len, replacement.unwrap())], None, cx);
 802                    });
 803            });
 804    }
 805
 806    pub fn search(
 807        &mut self,
 808        query: &str,
 809        options: Option<SearchOptions>,
 810        cx: &mut ViewContext<Self>,
 811    ) -> oneshot::Receiver<()> {
 812        let options = options.unwrap_or(self.default_options);
 813        if query != self.query(cx) || self.search_options != options {
 814            self.query_editor.update(cx, |query_editor, cx| {
 815                query_editor.buffer().update(cx, |query_buffer, cx| {
 816                    let len = query_buffer.len(cx);
 817                    query_buffer.edit([(0..len, query)], None, cx);
 818                });
 819            });
 820            self.search_options = options;
 821            self.query_contains_error = false;
 822            self.clear_matches(cx);
 823            cx.notify();
 824        }
 825        self.update_matches(cx)
 826    }
 827
 828    fn render_search_option_button(
 829        &self,
 830        option: SearchOptions,
 831        action: impl Fn(&ClickEvent, &mut WindowContext) + 'static,
 832    ) -> impl IntoElement {
 833        let is_active = self.search_options.contains(option);
 834        option.as_button(is_active, action)
 835    }
 836    pub fn activate_search_mode(&mut self, mode: SearchMode, cx: &mut ViewContext<Self>) {
 837        assert_ne!(
 838            mode,
 839            SearchMode::Semantic,
 840            "Semantic search is not supported in buffer search"
 841        );
 842        if mode == self.current_mode {
 843            return;
 844        }
 845        self.current_mode = mode;
 846        let _ = self.update_matches(cx);
 847        cx.notify();
 848    }
 849
 850    pub fn focus_editor(&mut self, _: &FocusEditor, cx: &mut ViewContext<Self>) {
 851        if let Some(active_editor) = self.active_searchable_item.as_ref() {
 852            let handle = active_editor.focus_handle(cx);
 853            cx.focus(&handle);
 854        }
 855    }
 856
 857    fn toggle_search_option(&mut self, search_option: SearchOptions, cx: &mut ViewContext<Self>) {
 858        self.search_options.toggle(search_option);
 859        self.default_options = self.search_options;
 860        let _ = self.update_matches(cx);
 861        cx.notify();
 862    }
 863
 864    pub fn set_search_options(
 865        &mut self,
 866        search_options: SearchOptions,
 867        cx: &mut ViewContext<Self>,
 868    ) {
 869        self.search_options = search_options;
 870        cx.notify();
 871    }
 872
 873    fn select_next_match(&mut self, _: &SelectNextMatch, cx: &mut ViewContext<Self>) {
 874        self.select_match(Direction::Next, 1, cx);
 875    }
 876
 877    fn select_prev_match(&mut self, _: &SelectPrevMatch, cx: &mut ViewContext<Self>) {
 878        self.select_match(Direction::Prev, 1, cx);
 879    }
 880
 881    fn select_all_matches(&mut self, _: &SelectAllMatches, cx: &mut ViewContext<Self>) {
 882        if !self.dismissed && self.active_match_index.is_some() {
 883            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 884                if let Some(matches) = self
 885                    .searchable_items_with_matches
 886                    .get(&searchable_item.downgrade())
 887                {
 888                    searchable_item.select_matches(matches, cx);
 889                    self.focus_editor(&FocusEditor, cx);
 890                }
 891            }
 892        }
 893    }
 894
 895    pub fn select_match(&mut self, direction: Direction, count: usize, cx: &mut ViewContext<Self>) {
 896        if let Some(index) = self.active_match_index {
 897            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 898                if let Some(matches) = self
 899                    .searchable_items_with_matches
 900                    .get(&searchable_item.downgrade())
 901                {
 902                    let new_match_index = searchable_item
 903                        .match_index_for_direction(matches, index, direction, count, cx);
 904
 905                    searchable_item.update_matches(matches, cx);
 906                    searchable_item.activate_match(new_match_index, matches, cx);
 907                }
 908            }
 909        }
 910    }
 911
 912    pub fn select_last_match(&mut self, cx: &mut ViewContext<Self>) {
 913        if let Some(searchable_item) = self.active_searchable_item.as_ref() {
 914            if let Some(matches) = self
 915                .searchable_items_with_matches
 916                .get(&searchable_item.downgrade())
 917            {
 918                if matches.len() == 0 {
 919                    return;
 920                }
 921                let new_match_index = matches.len() - 1;
 922                searchable_item.update_matches(matches, cx);
 923                searchable_item.activate_match(new_match_index, matches, cx);
 924            }
 925        }
 926    }
 927
 928    fn on_query_editor_event(
 929        &mut self,
 930        _: View<Editor>,
 931        event: &editor::EditorEvent,
 932        cx: &mut ViewContext<Self>,
 933    ) {
 934        if let editor::EditorEvent::Edited { .. } = event {
 935            self.query_contains_error = false;
 936            self.clear_matches(cx);
 937            let search = self.update_matches(cx);
 938            cx.spawn(|this, mut cx| async move {
 939                search.await?;
 940                this.update(&mut cx, |this, cx| this.activate_current_match(cx))
 941            })
 942            .detach_and_log_err(cx);
 943        }
 944    }
 945
 946    fn on_active_searchable_item_event(&mut self, event: &SearchEvent, cx: &mut ViewContext<Self>) {
 947        match event {
 948            SearchEvent::MatchesInvalidated => {
 949                let _ = self.update_matches(cx);
 950            }
 951            SearchEvent::ActiveMatchChanged => self.update_match_index(cx),
 952        }
 953    }
 954
 955    fn toggle_case_sensitive(&mut self, _: &ToggleCaseSensitive, cx: &mut ViewContext<Self>) {
 956        self.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx)
 957    }
 958    fn toggle_whole_word(&mut self, _: &ToggleWholeWord, cx: &mut ViewContext<Self>) {
 959        self.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
 960    }
 961    fn clear_matches(&mut self, cx: &mut ViewContext<Self>) {
 962        let mut active_item_matches = None;
 963        for (searchable_item, matches) in self.searchable_items_with_matches.drain() {
 964            if let Some(searchable_item) =
 965                WeakSearchableItemHandle::upgrade(searchable_item.as_ref(), cx)
 966            {
 967                if Some(&searchable_item) == self.active_searchable_item.as_ref() {
 968                    active_item_matches = Some((searchable_item.downgrade(), matches));
 969                } else {
 970                    searchable_item.clear_matches(cx);
 971                }
 972            }
 973        }
 974
 975        self.searchable_items_with_matches
 976            .extend(active_item_matches);
 977    }
 978
 979    fn update_matches(&mut self, cx: &mut ViewContext<Self>) -> oneshot::Receiver<()> {
 980        let (done_tx, done_rx) = oneshot::channel();
 981        let query = self.query(cx);
 982        self.pending_search.take();
 983
 984        if let Some(active_searchable_item) = self.active_searchable_item.as_ref() {
 985            if query.is_empty() {
 986                self.active_match_index.take();
 987                active_searchable_item.clear_matches(cx);
 988                let _ = done_tx.send(());
 989                cx.notify();
 990            } else {
 991                let query: Arc<_> = if self.current_mode == SearchMode::Regex {
 992                    match SearchQuery::regex(
 993                        query,
 994                        self.search_options.contains(SearchOptions::WHOLE_WORD),
 995                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
 996                        false,
 997                        Vec::new(),
 998                        Vec::new(),
 999                    ) {
1000                        Ok(query) => query.with_replacement(self.replacement(cx)),
1001                        Err(_) => {
1002                            self.query_contains_error = true;
1003                            self.active_match_index = None;
1004                            cx.notify();
1005                            return done_rx;
1006                        }
1007                    }
1008                } else {
1009                    match SearchQuery::text(
1010                        query,
1011                        self.search_options.contains(SearchOptions::WHOLE_WORD),
1012                        self.search_options.contains(SearchOptions::CASE_SENSITIVE),
1013                        false,
1014                        Vec::new(),
1015                        Vec::new(),
1016                    ) {
1017                        Ok(query) => query.with_replacement(self.replacement(cx)),
1018                        Err(_) => {
1019                            self.query_contains_error = true;
1020                            self.active_match_index = None;
1021                            cx.notify();
1022                            return done_rx;
1023                        }
1024                    }
1025                }
1026                .into();
1027                self.active_search = Some(query.clone());
1028                let query_text = query.as_str().to_string();
1029
1030                let matches = active_searchable_item.find_matches(query, cx);
1031
1032                let active_searchable_item = active_searchable_item.downgrade();
1033                self.pending_search = Some(cx.spawn(|this, mut cx| async move {
1034                    let matches = matches.await;
1035
1036                    this.update(&mut cx, |this, cx| {
1037                        if let Some(active_searchable_item) =
1038                            WeakSearchableItemHandle::upgrade(active_searchable_item.as_ref(), cx)
1039                        {
1040                            this.searchable_items_with_matches
1041                                .insert(active_searchable_item.downgrade(), matches);
1042
1043                            this.update_match_index(cx);
1044                            this.search_history.add(query_text);
1045                            if !this.dismissed {
1046                                let matches = this
1047                                    .searchable_items_with_matches
1048                                    .get(&active_searchable_item.downgrade())
1049                                    .unwrap();
1050                                active_searchable_item.update_matches(matches, cx);
1051                                let _ = done_tx.send(());
1052                            }
1053                            cx.notify();
1054                        }
1055                    })
1056                    .log_err();
1057                }));
1058            }
1059        }
1060        done_rx
1061    }
1062
1063    fn update_match_index(&mut self, cx: &mut ViewContext<Self>) {
1064        let new_index = self
1065            .active_searchable_item
1066            .as_ref()
1067            .and_then(|searchable_item| {
1068                let matches = self
1069                    .searchable_items_with_matches
1070                    .get(&searchable_item.downgrade())?;
1071                searchable_item.active_match_index(matches, cx)
1072            });
1073        if new_index != self.active_match_index {
1074            self.active_match_index = new_index;
1075            cx.notify();
1076        }
1077    }
1078
1079    fn tab(&mut self, _: &Tab, cx: &mut ViewContext<Self>) {
1080        if let Some(item) = self.active_searchable_item.as_ref() {
1081            let focus_handle = item.focus_handle(cx);
1082            cx.focus(&focus_handle);
1083            cx.stop_propagation();
1084        }
1085    }
1086
1087    fn next_history_query(&mut self, _: &NextHistoryQuery, cx: &mut ViewContext<Self>) {
1088        if let Some(new_query) = self.search_history.next().map(str::to_string) {
1089            let _ = self.search(&new_query, Some(self.search_options), cx);
1090        } else {
1091            self.search_history.reset_selection();
1092            let _ = self.search("", Some(self.search_options), cx);
1093        }
1094    }
1095
1096    fn previous_history_query(&mut self, _: &PreviousHistoryQuery, cx: &mut ViewContext<Self>) {
1097        if self.query(cx).is_empty() {
1098            if let Some(new_query) = self.search_history.current().map(str::to_string) {
1099                let _ = self.search(&new_query, Some(self.search_options), cx);
1100                return;
1101            }
1102        }
1103
1104        if let Some(new_query) = self.search_history.previous().map(str::to_string) {
1105            let _ = self.search(&new_query, Some(self.search_options), cx);
1106        }
1107    }
1108    fn cycle_mode(&mut self, _: &CycleMode, cx: &mut ViewContext<Self>) {
1109        self.activate_search_mode(next_mode(&self.current_mode, false), cx);
1110    }
1111    fn toggle_replace(&mut self, _: &ToggleReplace, cx: &mut ViewContext<Self>) {
1112        if let Some(_) = &self.active_searchable_item {
1113            self.replace_enabled = !self.replace_enabled;
1114            if !self.replace_enabled {
1115                let handle = self.query_editor.focus_handle(cx);
1116                cx.focus(&handle);
1117            }
1118            cx.notify();
1119        }
1120    }
1121    fn replace_next(&mut self, _: &ReplaceNext, cx: &mut ViewContext<Self>) {
1122        let mut should_propagate = true;
1123        if !self.dismissed && self.active_search.is_some() {
1124            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
1125                if let Some(query) = self.active_search.as_ref() {
1126                    if let Some(matches) = self
1127                        .searchable_items_with_matches
1128                        .get(&searchable_item.downgrade())
1129                    {
1130                        if let Some(active_index) = self.active_match_index {
1131                            let query = query
1132                                .as_ref()
1133                                .clone()
1134                                .with_replacement(self.replacement(cx));
1135                            searchable_item.replace(&matches[active_index], &query, cx);
1136                            self.select_next_match(&SelectNextMatch, cx);
1137                        }
1138                        should_propagate = false;
1139                        self.focus_editor(&FocusEditor, cx);
1140                    }
1141                }
1142            }
1143        }
1144        if !should_propagate {
1145            cx.stop_propagation();
1146        }
1147    }
1148    pub fn replace_all(&mut self, _: &ReplaceAll, cx: &mut ViewContext<Self>) {
1149        if !self.dismissed && self.active_search.is_some() {
1150            if let Some(searchable_item) = self.active_searchable_item.as_ref() {
1151                if let Some(query) = self.active_search.as_ref() {
1152                    if let Some(matches) = self
1153                        .searchable_items_with_matches
1154                        .get(&searchable_item.downgrade())
1155                    {
1156                        let query = query
1157                            .as_ref()
1158                            .clone()
1159                            .with_replacement(self.replacement(cx));
1160                        for m in matches {
1161                            searchable_item.replace(m, &query, cx);
1162                        }
1163                    }
1164                }
1165            }
1166        }
1167    }
1168}
1169
1170#[cfg(test)]
1171mod tests {
1172    use std::ops::Range;
1173
1174    use super::*;
1175    use editor::{DisplayPoint, Editor};
1176    use gpui::{Context, Hsla, TestAppContext, VisualTestContext};
1177    use language::Buffer;
1178    use smol::stream::StreamExt as _;
1179    use unindent::Unindent as _;
1180
1181    fn init_globals(cx: &mut TestAppContext) {
1182        cx.update(|cx| {
1183            let store = settings::SettingsStore::test(cx);
1184            cx.set_global(store);
1185            editor::init(cx);
1186
1187            language::init(cx);
1188            theme::init(theme::LoadThemes::JustBase, cx);
1189        });
1190    }
1191
1192    fn init_test(
1193        cx: &mut TestAppContext,
1194    ) -> (View<Editor>, View<BufferSearchBar>, &mut VisualTestContext) {
1195        init_globals(cx);
1196        let buffer = cx.new_model(|cx| {
1197            Buffer::new(
1198                0,
1199                cx.entity_id().as_u64(),
1200                r#"
1201                A regular expression (shortened as regex or regexp;[1] also referred to as
1202                rational expression[2][3]) is a sequence of characters that specifies a search
1203                pattern in text. Usually such patterns are used by string-searching algorithms
1204                for "find" or "find and replace" operations on strings, or for input validation.
1205                "#
1206                .unindent(),
1207            )
1208        });
1209        let cx = cx.add_empty_window();
1210        let editor = cx.new_view(|cx| Editor::for_buffer(buffer.clone(), None, cx));
1211
1212        let search_bar = cx.new_view(|cx| {
1213            let mut search_bar = BufferSearchBar::new(cx);
1214            search_bar.set_active_pane_item(Some(&editor), cx);
1215            search_bar.show(cx);
1216            search_bar
1217        });
1218
1219        (editor, search_bar, cx)
1220    }
1221
1222    #[gpui::test]
1223    async fn test_search_simple(cx: &mut TestAppContext) {
1224        let (editor, search_bar, cx) = init_test(cx);
1225        let display_points_of = |background_highlights: Vec<(Range<DisplayPoint>, Hsla)>| {
1226            background_highlights
1227                .into_iter()
1228                .map(|(range, _)| range)
1229                .collect::<Vec<_>>()
1230        };
1231        // Search for a string that appears with different casing.
1232        // By default, search is case-insensitive.
1233        search_bar
1234            .update(cx, |search_bar, cx| search_bar.search("us", None, cx))
1235            .await
1236            .unwrap();
1237        editor.update(cx, |editor, cx| {
1238            assert_eq!(
1239                display_points_of(editor.all_text_background_highlights(cx)),
1240                &[
1241                    DisplayPoint::new(2, 17)..DisplayPoint::new(2, 19),
1242                    DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),
1243                ]
1244            );
1245        });
1246
1247        // Switch to a case sensitive search.
1248        search_bar.update(cx, |search_bar, cx| {
1249            search_bar.toggle_search_option(SearchOptions::CASE_SENSITIVE, cx);
1250        });
1251        let mut editor_notifications = cx.notifications(&editor);
1252        editor_notifications.next().await;
1253        editor.update(cx, |editor, cx| {
1254            assert_eq!(
1255                display_points_of(editor.all_text_background_highlights(cx)),
1256                &[DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),]
1257            );
1258        });
1259
1260        // Search for a string that appears both as a whole word and
1261        // within other words. By default, all results are found.
1262        search_bar
1263            .update(cx, |search_bar, cx| search_bar.search("or", None, cx))
1264            .await
1265            .unwrap();
1266        editor.update(cx, |editor, cx| {
1267            assert_eq!(
1268                display_points_of(editor.all_text_background_highlights(cx)),
1269                &[
1270                    DisplayPoint::new(0, 24)..DisplayPoint::new(0, 26),
1271                    DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1272                    DisplayPoint::new(2, 71)..DisplayPoint::new(2, 73),
1273                    DisplayPoint::new(3, 1)..DisplayPoint::new(3, 3),
1274                    DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1275                    DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1276                    DisplayPoint::new(3, 60)..DisplayPoint::new(3, 62),
1277                ]
1278            );
1279        });
1280
1281        // Switch to a whole word search.
1282        search_bar.update(cx, |search_bar, cx| {
1283            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx);
1284        });
1285        let mut editor_notifications = cx.notifications(&editor);
1286        editor_notifications.next().await;
1287        editor.update(cx, |editor, cx| {
1288            assert_eq!(
1289                display_points_of(editor.all_text_background_highlights(cx)),
1290                &[
1291                    DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43),
1292                    DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13),
1293                    DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58),
1294                ]
1295            );
1296        });
1297
1298        editor.update(cx, |editor, cx| {
1299            editor.change_selections(None, cx, |s| {
1300                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1301            });
1302        });
1303        search_bar.update(cx, |search_bar, cx| {
1304            assert_eq!(search_bar.active_match_index, Some(0));
1305            search_bar.select_next_match(&SelectNextMatch, cx);
1306            assert_eq!(
1307                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1308                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1309            );
1310        });
1311        search_bar.update(cx, |search_bar, _| {
1312            assert_eq!(search_bar.active_match_index, Some(0));
1313        });
1314
1315        search_bar.update(cx, |search_bar, cx| {
1316            search_bar.select_next_match(&SelectNextMatch, cx);
1317            assert_eq!(
1318                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1319                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1320            );
1321        });
1322        search_bar.update(cx, |search_bar, _| {
1323            assert_eq!(search_bar.active_match_index, Some(1));
1324        });
1325
1326        search_bar.update(cx, |search_bar, cx| {
1327            search_bar.select_next_match(&SelectNextMatch, cx);
1328            assert_eq!(
1329                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1330                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1331            );
1332        });
1333        search_bar.update(cx, |search_bar, _| {
1334            assert_eq!(search_bar.active_match_index, Some(2));
1335        });
1336
1337        search_bar.update(cx, |search_bar, cx| {
1338            search_bar.select_next_match(&SelectNextMatch, cx);
1339            assert_eq!(
1340                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1341                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1342            );
1343        });
1344        search_bar.update(cx, |search_bar, _| {
1345            assert_eq!(search_bar.active_match_index, Some(0));
1346        });
1347
1348        search_bar.update(cx, |search_bar, cx| {
1349            search_bar.select_prev_match(&SelectPrevMatch, cx);
1350            assert_eq!(
1351                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1352                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1353            );
1354        });
1355        search_bar.update(cx, |search_bar, _| {
1356            assert_eq!(search_bar.active_match_index, Some(2));
1357        });
1358
1359        search_bar.update(cx, |search_bar, cx| {
1360            search_bar.select_prev_match(&SelectPrevMatch, cx);
1361            assert_eq!(
1362                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1363                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1364            );
1365        });
1366        search_bar.update(cx, |search_bar, _| {
1367            assert_eq!(search_bar.active_match_index, Some(1));
1368        });
1369
1370        search_bar.update(cx, |search_bar, cx| {
1371            search_bar.select_prev_match(&SelectPrevMatch, cx);
1372            assert_eq!(
1373                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1374                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1375            );
1376        });
1377        search_bar.update(cx, |search_bar, _| {
1378            assert_eq!(search_bar.active_match_index, Some(0));
1379        });
1380
1381        // Park the cursor in between matches and ensure that going to the previous match selects
1382        // the closest match to the left.
1383        editor.update(cx, |editor, cx| {
1384            editor.change_selections(None, cx, |s| {
1385                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1386            });
1387        });
1388        search_bar.update(cx, |search_bar, cx| {
1389            assert_eq!(search_bar.active_match_index, Some(1));
1390            search_bar.select_prev_match(&SelectPrevMatch, cx);
1391            assert_eq!(
1392                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1393                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1394            );
1395        });
1396        search_bar.update(cx, |search_bar, _| {
1397            assert_eq!(search_bar.active_match_index, Some(0));
1398        });
1399
1400        // Park the cursor in between matches and ensure that going to the next match selects the
1401        // closest match to the right.
1402        editor.update(cx, |editor, cx| {
1403            editor.change_selections(None, cx, |s| {
1404                s.select_display_ranges([DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)])
1405            });
1406        });
1407        search_bar.update(cx, |search_bar, cx| {
1408            assert_eq!(search_bar.active_match_index, Some(1));
1409            search_bar.select_next_match(&SelectNextMatch, cx);
1410            assert_eq!(
1411                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1412                [DisplayPoint::new(3, 11)..DisplayPoint::new(3, 13)]
1413            );
1414        });
1415        search_bar.update(cx, |search_bar, _| {
1416            assert_eq!(search_bar.active_match_index, Some(1));
1417        });
1418
1419        // Park the cursor after the last match and ensure that going to the previous match selects
1420        // the last match.
1421        editor.update(cx, |editor, cx| {
1422            editor.change_selections(None, cx, |s| {
1423                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1424            });
1425        });
1426        search_bar.update(cx, |search_bar, cx| {
1427            assert_eq!(search_bar.active_match_index, Some(2));
1428            search_bar.select_prev_match(&SelectPrevMatch, cx);
1429            assert_eq!(
1430                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1431                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1432            );
1433        });
1434        search_bar.update(cx, |search_bar, _| {
1435            assert_eq!(search_bar.active_match_index, Some(2));
1436        });
1437
1438        // Park the cursor after the last match and ensure that going to the next match selects the
1439        // first match.
1440        editor.update(cx, |editor, cx| {
1441            editor.change_selections(None, cx, |s| {
1442                s.select_display_ranges([DisplayPoint::new(3, 60)..DisplayPoint::new(3, 60)])
1443            });
1444        });
1445        search_bar.update(cx, |search_bar, cx| {
1446            assert_eq!(search_bar.active_match_index, Some(2));
1447            search_bar.select_next_match(&SelectNextMatch, cx);
1448            assert_eq!(
1449                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1450                [DisplayPoint::new(0, 41)..DisplayPoint::new(0, 43)]
1451            );
1452        });
1453        search_bar.update(cx, |search_bar, _| {
1454            assert_eq!(search_bar.active_match_index, Some(0));
1455        });
1456
1457        // Park the cursor before the first match and ensure that going to the previous match
1458        // selects the last match.
1459        editor.update(cx, |editor, cx| {
1460            editor.change_selections(None, cx, |s| {
1461                s.select_display_ranges([DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)])
1462            });
1463        });
1464        search_bar.update(cx, |search_bar, cx| {
1465            assert_eq!(search_bar.active_match_index, Some(0));
1466            search_bar.select_prev_match(&SelectPrevMatch, cx);
1467            assert_eq!(
1468                editor.update(cx, |editor, cx| editor.selections.display_ranges(cx)),
1469                [DisplayPoint::new(3, 56)..DisplayPoint::new(3, 58)]
1470            );
1471        });
1472        search_bar.update(cx, |search_bar, _| {
1473            assert_eq!(search_bar.active_match_index, Some(2));
1474        });
1475    }
1476
1477    #[gpui::test]
1478    async fn test_search_option_handling(cx: &mut TestAppContext) {
1479        let (editor, search_bar, cx) = init_test(cx);
1480
1481        // show with options should make current search case sensitive
1482        search_bar
1483            .update(cx, |search_bar, cx| {
1484                search_bar.show(cx);
1485                search_bar.search("us", Some(SearchOptions::CASE_SENSITIVE), cx)
1486            })
1487            .await
1488            .unwrap();
1489        let display_points_of = |background_highlights: Vec<(Range<DisplayPoint>, Hsla)>| {
1490            background_highlights
1491                .into_iter()
1492                .map(|(range, _)| range)
1493                .collect::<Vec<_>>()
1494        };
1495        editor.update(cx, |editor, cx| {
1496            assert_eq!(
1497                display_points_of(editor.all_text_background_highlights(cx)),
1498                &[DisplayPoint::new(2, 43)..DisplayPoint::new(2, 45),]
1499            );
1500        });
1501
1502        // search_suggested should restore default options
1503        search_bar.update(cx, |search_bar, cx| {
1504            search_bar.search_suggested(cx);
1505            assert_eq!(search_bar.search_options, SearchOptions::NONE)
1506        });
1507
1508        // toggling a search option should update the defaults
1509        search_bar
1510            .update(cx, |search_bar, cx| {
1511                search_bar.search("regex", Some(SearchOptions::CASE_SENSITIVE), cx)
1512            })
1513            .await
1514            .unwrap();
1515        search_bar.update(cx, |search_bar, cx| {
1516            search_bar.toggle_search_option(SearchOptions::WHOLE_WORD, cx)
1517        });
1518        let mut editor_notifications = cx.notifications(&editor);
1519        editor_notifications.next().await;
1520        editor.update(cx, |editor, cx| {
1521            assert_eq!(
1522                display_points_of(editor.all_text_background_highlights(cx)),
1523                &[DisplayPoint::new(0, 35)..DisplayPoint::new(0, 40),]
1524            );
1525        });
1526
1527        // defaults should still include whole word
1528        search_bar.update(cx, |search_bar, cx| {
1529            search_bar.search_suggested(cx);
1530            assert_eq!(
1531                search_bar.search_options,
1532                SearchOptions::CASE_SENSITIVE | SearchOptions::WHOLE_WORD
1533            )
1534        });
1535    }
1536
1537    #[gpui::test]
1538    async fn test_search_select_all_matches(cx: &mut TestAppContext) {
1539        init_globals(cx);
1540        let buffer_text = r#"
1541        A regular expression (shortened as regex or regexp;[1] also referred to as
1542        rational expression[2][3]) is a sequence of characters that specifies a search
1543        pattern in text. Usually such patterns are used by string-searching algorithms
1544        for "find" or "find and replace" operations on strings, or for input validation.
1545        "#
1546        .unindent();
1547        let expected_query_matches_count = buffer_text
1548            .chars()
1549            .filter(|c| c.to_ascii_lowercase() == 'a')
1550            .count();
1551        assert!(
1552            expected_query_matches_count > 1,
1553            "Should pick a query with multiple results"
1554        );
1555        let buffer = cx.new_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), buffer_text));
1556        let window = cx.add_window(|_| ());
1557
1558        let editor = window.build_view(cx, |cx| Editor::for_buffer(buffer.clone(), None, cx));
1559
1560        let search_bar = window.build_view(cx, |cx| {
1561            let mut search_bar = BufferSearchBar::new(cx);
1562            search_bar.set_active_pane_item(Some(&editor), cx);
1563            search_bar.show(cx);
1564            search_bar
1565        });
1566
1567        window
1568            .update(cx, |_, cx| {
1569                search_bar.update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1570            })
1571            .unwrap()
1572            .await
1573            .unwrap();
1574        let initial_selections = window
1575            .update(cx, |_, cx| {
1576                search_bar.update(cx, |search_bar, cx| {
1577                    let handle = search_bar.query_editor.focus_handle(cx);
1578                    cx.focus(&handle);
1579                    search_bar.activate_current_match(cx);
1580                });
1581                assert!(
1582                    !editor.read(cx).is_focused(cx),
1583                    "Initially, the editor should not be focused"
1584                );
1585                let initial_selections = editor.update(cx, |editor, cx| {
1586                    let initial_selections = editor.selections.display_ranges(cx);
1587                    assert_eq!(
1588                        initial_selections.len(), 1,
1589                        "Expected to have only one selection before adding carets to all matches, but got: {initial_selections:?}",
1590                    );
1591                    initial_selections
1592                });
1593                search_bar.update(cx, |search_bar, cx| {
1594                    assert_eq!(search_bar.active_match_index, Some(0));
1595                    let handle = search_bar.query_editor.focus_handle(cx);
1596                    cx.focus(&handle);
1597                    search_bar.select_all_matches(&SelectAllMatches, cx);
1598                });
1599                assert!(
1600                    editor.read(cx).is_focused(cx),
1601                    "Should focus editor after successful SelectAllMatches"
1602                );
1603                search_bar.update(cx, |search_bar, cx| {
1604                    let all_selections =
1605                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1606                    assert_eq!(
1607                        all_selections.len(),
1608                        expected_query_matches_count,
1609                        "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1610                    );
1611                    assert_eq!(
1612                        search_bar.active_match_index,
1613                        Some(0),
1614                        "Match index should not change after selecting all matches"
1615                    );
1616                });
1617
1618                search_bar.update(cx, |this, cx| this.select_next_match(&SelectNextMatch, cx));
1619                initial_selections
1620            }).unwrap();
1621
1622        window
1623            .update(cx, |_, cx| {
1624                assert!(
1625                    editor.read(cx).is_focused(cx),
1626                    "Should still have editor focused after SelectNextMatch"
1627                );
1628                search_bar.update(cx, |search_bar, cx| {
1629                    let all_selections =
1630                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1631                    assert_eq!(
1632                        all_selections.len(),
1633                        1,
1634                        "On next match, should deselect items and select the next match"
1635                    );
1636                    assert_ne!(
1637                        all_selections, initial_selections,
1638                        "Next match should be different from the first selection"
1639                    );
1640                    assert_eq!(
1641                        search_bar.active_match_index,
1642                        Some(1),
1643                        "Match index should be updated to the next one"
1644                    );
1645                    let handle = search_bar.query_editor.focus_handle(cx);
1646                    cx.focus(&handle);
1647                    search_bar.select_all_matches(&SelectAllMatches, cx);
1648                });
1649            })
1650            .unwrap();
1651        window
1652            .update(cx, |_, cx| {
1653                assert!(
1654                    editor.read(cx).is_focused(cx),
1655                    "Should focus editor after successful SelectAllMatches"
1656                );
1657                search_bar.update(cx, |search_bar, cx| {
1658                    let all_selections =
1659                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1660                    assert_eq!(
1661                    all_selections.len(),
1662                    expected_query_matches_count,
1663                    "Should select all `a` characters in the buffer, but got: {all_selections:?}"
1664                );
1665                    assert_eq!(
1666                        search_bar.active_match_index,
1667                        Some(1),
1668                        "Match index should not change after selecting all matches"
1669                    );
1670                });
1671                search_bar.update(cx, |search_bar, cx| {
1672                    search_bar.select_prev_match(&SelectPrevMatch, cx);
1673                });
1674            })
1675            .unwrap();
1676        let last_match_selections = window
1677            .update(cx, |_, cx| {
1678                assert!(
1679                    editor.read(cx).is_focused(&cx),
1680                    "Should still have editor focused after SelectPrevMatch"
1681                );
1682
1683                search_bar.update(cx, |search_bar, cx| {
1684                    let all_selections =
1685                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1686                    assert_eq!(
1687                        all_selections.len(),
1688                        1,
1689                        "On previous match, should deselect items and select the previous item"
1690                    );
1691                    assert_eq!(
1692                        all_selections, initial_selections,
1693                        "Previous match should be the same as the first selection"
1694                    );
1695                    assert_eq!(
1696                        search_bar.active_match_index,
1697                        Some(0),
1698                        "Match index should be updated to the previous one"
1699                    );
1700                    all_selections
1701                })
1702            })
1703            .unwrap();
1704
1705        window
1706            .update(cx, |_, cx| {
1707                search_bar.update(cx, |search_bar, cx| {
1708                    let handle = search_bar.query_editor.focus_handle(cx);
1709                    cx.focus(&handle);
1710                    search_bar.search("abas_nonexistent_match", None, cx)
1711                })
1712            })
1713            .unwrap()
1714            .await
1715            .unwrap();
1716        window
1717            .update(cx, |_, cx| {
1718                search_bar.update(cx, |search_bar, cx| {
1719                    search_bar.select_all_matches(&SelectAllMatches, cx);
1720                });
1721                assert!(
1722                    editor.update(cx, |this, cx| !this.is_focused(cx.window_context())),
1723                    "Should not switch focus to editor if SelectAllMatches does not find any matches"
1724                );
1725                search_bar.update(cx, |search_bar, cx| {
1726                    let all_selections =
1727                        editor.update(cx, |editor, cx| editor.selections.display_ranges(cx));
1728                    assert_eq!(
1729                        all_selections, last_match_selections,
1730                        "Should not select anything new if there are no matches"
1731                    );
1732                    assert!(
1733                        search_bar.active_match_index.is_none(),
1734                        "For no matches, there should be no active match index"
1735                    );
1736                });
1737            })
1738            .unwrap();
1739    }
1740
1741    #[gpui::test]
1742    async fn test_search_query_history(cx: &mut TestAppContext) {
1743        init_globals(cx);
1744        let buffer_text = r#"
1745        A regular expression (shortened as regex or regexp;[1] also referred to as
1746        rational expression[2][3]) is a sequence of characters that specifies a search
1747        pattern in text. Usually such patterns are used by string-searching algorithms
1748        for "find" or "find and replace" operations on strings, or for input validation.
1749        "#
1750        .unindent();
1751        let buffer = cx.new_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), buffer_text));
1752        let cx = cx.add_empty_window();
1753
1754        let editor = cx.new_view(|cx| Editor::for_buffer(buffer.clone(), None, cx));
1755
1756        let search_bar = cx.new_view(|cx| {
1757            let mut search_bar = BufferSearchBar::new(cx);
1758            search_bar.set_active_pane_item(Some(&editor), cx);
1759            search_bar.show(cx);
1760            search_bar
1761        });
1762
1763        // Add 3 search items into the history.
1764        search_bar
1765            .update(cx, |search_bar, cx| search_bar.search("a", None, cx))
1766            .await
1767            .unwrap();
1768        search_bar
1769            .update(cx, |search_bar, cx| search_bar.search("b", None, cx))
1770            .await
1771            .unwrap();
1772        search_bar
1773            .update(cx, |search_bar, cx| {
1774                search_bar.search("c", Some(SearchOptions::CASE_SENSITIVE), cx)
1775            })
1776            .await
1777            .unwrap();
1778        // Ensure that the latest search is active.
1779        search_bar.update(cx, |search_bar, cx| {
1780            assert_eq!(search_bar.query(cx), "c");
1781            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1782        });
1783
1784        // Next history query after the latest should set the query to the empty string.
1785        search_bar.update(cx, |search_bar, cx| {
1786            search_bar.next_history_query(&NextHistoryQuery, cx);
1787        });
1788        search_bar.update(cx, |search_bar, cx| {
1789            assert_eq!(search_bar.query(cx), "");
1790            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1791        });
1792        search_bar.update(cx, |search_bar, cx| {
1793            search_bar.next_history_query(&NextHistoryQuery, cx);
1794        });
1795        search_bar.update(cx, |search_bar, cx| {
1796            assert_eq!(search_bar.query(cx), "");
1797            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1798        });
1799
1800        // First previous query for empty current query should set the query to the latest.
1801        search_bar.update(cx, |search_bar, cx| {
1802            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1803        });
1804        search_bar.update(cx, |search_bar, cx| {
1805            assert_eq!(search_bar.query(cx), "c");
1806            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1807        });
1808
1809        // Further previous items should go over the history in reverse order.
1810        search_bar.update(cx, |search_bar, cx| {
1811            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1812        });
1813        search_bar.update(cx, |search_bar, cx| {
1814            assert_eq!(search_bar.query(cx), "b");
1815            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1816        });
1817
1818        // Previous items should never go behind the first history item.
1819        search_bar.update(cx, |search_bar, cx| {
1820            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1821        });
1822        search_bar.update(cx, |search_bar, cx| {
1823            assert_eq!(search_bar.query(cx), "a");
1824            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1825        });
1826        search_bar.update(cx, |search_bar, cx| {
1827            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1828        });
1829        search_bar.update(cx, |search_bar, cx| {
1830            assert_eq!(search_bar.query(cx), "a");
1831            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1832        });
1833
1834        // Next items should go over the history in the original order.
1835        search_bar.update(cx, |search_bar, cx| {
1836            search_bar.next_history_query(&NextHistoryQuery, cx);
1837        });
1838        search_bar.update(cx, |search_bar, cx| {
1839            assert_eq!(search_bar.query(cx), "b");
1840            assert_eq!(search_bar.search_options, SearchOptions::CASE_SENSITIVE);
1841        });
1842
1843        search_bar
1844            .update(cx, |search_bar, cx| search_bar.search("ba", None, cx))
1845            .await
1846            .unwrap();
1847        search_bar.update(cx, |search_bar, cx| {
1848            assert_eq!(search_bar.query(cx), "ba");
1849            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1850        });
1851
1852        // New search input should add another entry to history and move the selection to the end of the history.
1853        search_bar.update(cx, |search_bar, cx| {
1854            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1855        });
1856        search_bar.update(cx, |search_bar, cx| {
1857            assert_eq!(search_bar.query(cx), "c");
1858            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1859        });
1860        search_bar.update(cx, |search_bar, cx| {
1861            search_bar.previous_history_query(&PreviousHistoryQuery, cx);
1862        });
1863        search_bar.update(cx, |search_bar, cx| {
1864            assert_eq!(search_bar.query(cx), "b");
1865            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1866        });
1867        search_bar.update(cx, |search_bar, cx| {
1868            search_bar.next_history_query(&NextHistoryQuery, cx);
1869        });
1870        search_bar.update(cx, |search_bar, cx| {
1871            assert_eq!(search_bar.query(cx), "c");
1872            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1873        });
1874        search_bar.update(cx, |search_bar, cx| {
1875            search_bar.next_history_query(&NextHistoryQuery, cx);
1876        });
1877        search_bar.update(cx, |search_bar, cx| {
1878            assert_eq!(search_bar.query(cx), "ba");
1879            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1880        });
1881        search_bar.update(cx, |search_bar, cx| {
1882            search_bar.next_history_query(&NextHistoryQuery, cx);
1883        });
1884        search_bar.update(cx, |search_bar, cx| {
1885            assert_eq!(search_bar.query(cx), "");
1886            assert_eq!(search_bar.search_options, SearchOptions::NONE);
1887        });
1888    }
1889
1890    #[gpui::test]
1891    async fn test_replace_simple(cx: &mut TestAppContext) {
1892        let (editor, search_bar, cx) = init_test(cx);
1893
1894        search_bar
1895            .update(cx, |search_bar, cx| {
1896                search_bar.search("expression", None, cx)
1897            })
1898            .await
1899            .unwrap();
1900
1901        search_bar.update(cx, |search_bar, cx| {
1902            search_bar.replacement_editor.update(cx, |editor, cx| {
1903                // We use $1 here as initially we should be in Text mode, where `$1` should be treated literally.
1904                editor.set_text("expr$1", cx);
1905            });
1906            search_bar.replace_all(&ReplaceAll, cx)
1907        });
1908        assert_eq!(
1909            editor.update(cx, |this, cx| { this.text(cx) }),
1910            r#"
1911        A regular expr$1 (shortened as regex or regexp;[1] also referred to as
1912        rational expr$1[2][3]) is a sequence of characters that specifies a search
1913        pattern in text. Usually such patterns are used by string-searching algorithms
1914        for "find" or "find and replace" operations on strings, or for input validation.
1915        "#
1916            .unindent()
1917        );
1918
1919        // Search for word boundaries and replace just a single one.
1920        search_bar
1921            .update(cx, |search_bar, cx| {
1922                search_bar.search("or", Some(SearchOptions::WHOLE_WORD), cx)
1923            })
1924            .await
1925            .unwrap();
1926
1927        search_bar.update(cx, |search_bar, cx| {
1928            search_bar.replacement_editor.update(cx, |editor, cx| {
1929                editor.set_text("banana", cx);
1930            });
1931            search_bar.replace_next(&ReplaceNext, cx)
1932        });
1933        // Notice how the first or in the text (shORtened) is not replaced. Neither are the remaining hits of `or` in the text.
1934        assert_eq!(
1935            editor.update(cx, |this, cx| { this.text(cx) }),
1936            r#"
1937        A regular expr$1 (shortened as regex banana regexp;[1] also referred to as
1938        rational expr$1[2][3]) is a sequence of characters that specifies a search
1939        pattern in text. Usually such patterns are used by string-searching algorithms
1940        for "find" or "find and replace" operations on strings, or for input validation.
1941        "#
1942            .unindent()
1943        );
1944        // Let's turn on regex mode.
1945        search_bar
1946            .update(cx, |search_bar, cx| {
1947                search_bar.activate_search_mode(SearchMode::Regex, cx);
1948                search_bar.search("\\[([^\\]]+)\\]", None, cx)
1949            })
1950            .await
1951            .unwrap();
1952        search_bar.update(cx, |search_bar, cx| {
1953            search_bar.replacement_editor.update(cx, |editor, cx| {
1954                editor.set_text("${1}number", cx);
1955            });
1956            search_bar.replace_all(&ReplaceAll, cx)
1957        });
1958        assert_eq!(
1959            editor.update(cx, |this, cx| { this.text(cx) }),
1960            r#"
1961        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1962        rational expr$12number3number) is a sequence of characters that specifies a search
1963        pattern in text. Usually such patterns are used by string-searching algorithms
1964        for "find" or "find and replace" operations on strings, or for input validation.
1965        "#
1966            .unindent()
1967        );
1968        // Now with a whole-word twist.
1969        search_bar
1970            .update(cx, |search_bar, cx| {
1971                search_bar.activate_search_mode(SearchMode::Regex, cx);
1972                search_bar.search("a\\w+s", Some(SearchOptions::WHOLE_WORD), cx)
1973            })
1974            .await
1975            .unwrap();
1976        search_bar.update(cx, |search_bar, cx| {
1977            search_bar.replacement_editor.update(cx, |editor, cx| {
1978                editor.set_text("things", cx);
1979            });
1980            search_bar.replace_all(&ReplaceAll, cx)
1981        });
1982        // The only word affected by this edit should be `algorithms`, even though there's a bunch
1983        // of words in this text that would match this regex if not for WHOLE_WORD.
1984        assert_eq!(
1985            editor.update(cx, |this, cx| { this.text(cx) }),
1986            r#"
1987        A regular expr$1 (shortened as regex banana regexp;1number also referred to as
1988        rational expr$12number3number) is a sequence of characters that specifies a search
1989        pattern in text. Usually such patterns are used by string-searching things
1990        for "find" or "find and replace" operations on strings, or for input validation.
1991        "#
1992            .unindent()
1993        );
1994    }
1995}