#![allow(rustdoc::private_intra_doc_links)]//! This is the place where everything editor-related is stored (data-wise) and displayed (ui-wise).//! The main point of interest in this crate is [`Editor`] type, which is used in every other Zed part as a user input element.//! It comes in different flavors: single line, multiline and a fixed height one.//!//! Editor contains of multiple large submodules://! * [`element`] — the place where all rendering happens//! * [`display_map`] - chunks up text in the editor into the logical blocks, establishes coordinates and mapping between each of them.//!   Contains all metadata related to text transformations (folds, fake inlay text insertions, soft wraps, tab markup, etc.).//! * [`inlay_hint_cache`] - is a storage of inlay hints out of LSP requests, responsible for querying LSP and updating `display_map`'s state accordingly.//!//! All other submodules and structs are mostly concerned with holding editor data about the way it displays current buffer region(s).//!//! If you're looking to improve Vim mode, you should check out Vim crate that wraps Editor and overrides its behavior.pub mod actions;mod blame_entry_tooltip;mod blink_manager;mod clangd_ext;mod code_context_menus;pub mod display_map;mod editor_settings;mod editor_settings_controls;mod element;mod git;mod highlight_matching_bracket;mod hover_links;mod hover_popover;mod hunk_diff;mod indent_guides;mod inlay_hint_cache;pub mod items;mod linked_editing_ranges;mod lsp_ext;mod mouse_context_menu;pub mod movement;mod persistence;mod proposed_changes_editor;mod rust_analyzer_ext;pub mod scroll;mod selections_collection;pub mod tasks; #[cfg(test)]mod editor_tests;#[cfg(test)]mod inline_completion_tests;mod signature_help;#[cfg(any(test, feature = "test-support"))]pub mod test; use ::git::diff::DiffHunkStatus;pub(crate) use actions::*;pub use actions::{OpenExcerpts, OpenExcerptsSplit};use aho_corasick::AhoCorasick;use anyhow::{anyhow, Context as _, Result};use blink_manager::BlinkManager;use client::{Collaborator, ParticipantIndex};use clock::ReplicaId;use collections::{BTreeMap, Bound, HashMap, HashSet, VecDeque};use convert_case::{Case, Casing};use display_map::*;pub use display_map::{DisplayPoint, FoldPlaceholder};pub use editor_settings::{    CurrentLineHighlight, EditorSettings, ScrollBeyondLastLine, SearchSettings, ShowScrollbar,};pub use editor_settings_controls::*;use element::LineWithInvisibles;pub use element::{    CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,};use futures::{future, FutureExt};use fuzzy::StringMatchCandidate; use code_context_menus::{    AvailableCodeAction, CodeActionContents, CodeActionsItem, CodeActionsMenu, CodeContextMenu,    CompletionsMenu, ContextMenuOrigin,};use git::blame::GitBlame;use gpui::{    div, impl_actions, point, prelude::*, px, relative, size, Action, AnyElement, AppContext,    AsyncWindowContext, AvailableSpace, Bounds, ClipboardEntry, ClipboardItem, Context,    DispatchPhase, ElementId, EventEmitter, FocusHandle, FocusOutEvent, FocusableView, FontId,    FontWeight, Global, HighlightStyle, Hsla, InteractiveText, KeyContext, Model, ModelContext,    MouseButton, PaintQuad, ParentElement, Pixels, Render, SharedString, Size, Styled, StyledText,    Subscription, Task, TextStyle, TextStyleRefinement, UTF16Selection, UnderlineStyle,    UniformListScrollHandle, View, ViewContext, ViewInputHandler, VisualContext, WeakFocusHandle,    WeakView, WindowContext,};use highlight_matching_bracket::refresh_matching_bracket_highlights;use hover_popover::{hide_hover, HoverState};pub(crate) use hunk_diff::HoveredHunk;use hunk_diff::{diff_hunk_to_display, DiffMap, DiffMapSnapshot};use indent_guides::ActiveIndentGuidesState;use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};pub use inline_completion::Direction;use inline_completion::{InlineCompletionProvider, InlineCompletionProviderHandle};pub use items::MAX_TAB_TITLE_LEN;use itertools::Itertools;use language::{    language_settings::{self, all_language_settings, language_settings, InlayHintSettings},    markdown, point_from_lsp, AutoindentMode, BracketPair, Buffer, Capability, CharKind, CodeLabel,    CursorShape, Diagnostic, Documentation, IndentKind, IndentSize, Language, OffsetRangeExt,    Point, Selection, SelectionGoal, TransactionId,};use language::{point_to_lsp, BufferRow, CharClassifier, Runnable, RunnableRange};use linked_editing_ranges::refresh_linked_ranges;use mouse_context_menu::MouseContextMenu;pub use proposed_changes_editor::{    ProposedChangeLocation, ProposedChangesEditor, ProposedChangesEditorToolbar,};use similar::{ChangeTag, TextDiff};use std::iter::Peekable;use task::{ResolvedTask, TaskTemplate, TaskVariables}; use hover_links::{find_file, HoverLink, HoveredLinkState, InlayHighlight};pub use lsp::CompletionContext;use lsp::{    CompletionItemKind, CompletionTriggerKind, DiagnosticSeverity, InsertTextFormat,    LanguageServerId, LanguageServerName,}; use movement::TextLayoutDetails;pub use multi_buffer::{    Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, ToOffset,    ToPoint,};use multi_buffer::{    ExpandExcerptDirection, MultiBufferDiffHunk, MultiBufferPoint, MultiBufferRow, ToOffsetUtf16,};use parking_lot::RwLock;use project::{    lsp_store::{FormatTarget, FormatTrigger, OpenLspBufferHandle},    project_settings::{GitGutterSetting, ProjectSettings},    CodeAction, Completion, CompletionIntent, DocumentHighlight, InlayHint, Location, LocationLink,    LspStore, Project, ProjectItem, ProjectTransaction, TaskSourceKind,};use rand::prelude::*;use rpc::{proto::*, ErrorExt};use scroll::{Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide};use selections_collection::{    resolve_selections, MutableSelectionsCollection, SelectionsCollection,};use serde::{Deserialize, Serialize};use settings::{update_settings_file, Settings, SettingsLocation, SettingsStore};use smallvec::SmallVec;use snippet::Snippet;use std::{    any::TypeId,    borrow::Cow,    cell::RefCell,    cmp::{self, Ordering, Reverse},    mem,    num::NonZeroU32,    ops::{ControlFlow, Deref, DerefMut, Not as _, Range, RangeInclusive},    path::{Path, PathBuf},    rc::Rc,    sync::Arc,    time::{Duration, Instant},};pub use sum_tree::Bias;use sum_tree::TreeMap;use text::{BufferId, OffsetUtf16, Rope};use theme::{    observe_buffer_font_size_adjustment, ActiveTheme, PlayerColor, StatusColors, SyntaxTheme,    ThemeColors, ThemeSettings,};use ui::{    h_flex, prelude::*, ButtonSize, ButtonStyle, Disclosure, IconButton, IconName, IconSize,    PopoverMenuHandle, Tooltip,};use util::{defer, maybe, post_inc, RangeExt, ResultExt, TryFutureExt};use workspace::item::{ItemHandle, PreviewTabsSettings};use workspace::notifications::{DetachAndPromptErr, NotificationId, NotifyTaskExt};use workspace::{    searchable::SearchEvent, ItemNavHistory, SplitDirection, ViewId, Workspace, WorkspaceId,};use workspace::{Item as WorkspaceItem, OpenInTerminal, OpenTerminal, TabBarSettings, Toast}; use crate::hover_links::{find_url, find_url_from_range};use crate::signature_help::{SignatureHelpHiddenBy, SignatureHelpState}; pub const FILE_HEADER_HEIGHT: u32 = 2;pub const MULTI_BUFFER_EXCERPT_HEADER_HEIGHT: u32 = 1;pub const MULTI_BUFFER_EXCERPT_FOOTER_HEIGHT: u32 = 1;pub const DEFAULT_MULTIBUFFER_CONTEXT: u32 = 2;const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);const MAX_LINE_LEN: usize = 1024;const MIN_NAVIGATION_HISTORY_ROW_DELTA: i64 = 10;const MAX_SELECTION_HISTORY_LEN: usize = 1024;pub(crate) const CURSORS_VISIBLE_FOR: Duration = Duration::from_millis(2000);#[doc(hidden)]pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250); pub(crate) const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);pub(crate) const SCROLL_CENTER_TOP_BOTTOM_DEBOUNCE_TIMEOUT: Duration = Duration::from_secs(1); pub fn render_parsed_markdown(    element_id: impl Into<ElementId>,    parsed: &language::ParsedMarkdown,    editor_style: &EditorStyle,    workspace: Option<WeakView<Workspace>>,    cx: &mut WindowContext,) -> InteractiveText {    let code_span_background_color = cx        .theme()        .colors()        .editor_document_highlight_read_background;     let highlights = gpui::combine_highlights(        parsed.highlights.iter().filter_map(|(range, highlight)| {            let highlight = highlight.to_highlight_style(&editor_style.syntax)?;            Some((range.clone(), highlight))        }),        parsed            .regions            .iter()            .zip(&parsed.region_ranges)            .filter_map(|(region, range)| {                if region.code {                    Some((                        range.clone(),                        HighlightStyle {                            background_color: Some(code_span_background_color),                            ..Default::default()                        },                    ))                } else {                    None                }            }),    );     let mut links = Vec::new();    let mut link_ranges = Vec::new();    for (range, region) in parsed.region_ranges.iter().zip(&parsed.regions) {        if let Some(link) = region.link.clone() {            links.push(link);            link_ranges.push(range.clone());        }    }     InteractiveText::new(        element_id,        StyledText::new(parsed.text.clone()).with_highlights(&editor_style.text, highlights),    )    .on_click(link_ranges, move |clicked_range_ix, cx| {        match &links[clicked_range_ix] {            markdown::Link::Web { url } => cx.open_url(url),            markdown::Link::Path { path } => {                if let Some(workspace) = &workspace {                    _ = workspace.update(cx, |workspace, cx| {                        workspace.open_abs_path(path.clone(), false, cx).detach();                    });                }            }        }    })} #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]pub(crate) enum InlayId {    InlineCompletion(usize),    Hint(usize),} impl InlayId {    fn id(&self) -> usize {        match self {            Self::InlineCompletion(id) => *id,            Self::Hint(id) => *id,        }    }} enum DiffRowHighlight {}enum DocumentHighlightRead {}enum DocumentHighlightWrite {}enum InputComposition {} #[derive(Debug, Copy, Clone, PartialEq, Eq)]pub enum Navigated {    Yes,    No,} impl Navigated {    pub fn from_bool(yes: bool) -> Navigated {        if yes {            Navigated::Yes        } else {            Navigated::No        }    }} pub fn init_settings(cx: &mut AppContext) {    EditorSettings::register(cx);} pub fn init(cx: &mut AppContext) {    init_settings(cx);     workspace::register_project_item::<Editor>(cx);    workspace::FollowableViewRegistry::register::<Editor>(cx);    workspace::register_serializable_item::<Editor>(cx);     cx.observe_new_views(        |workspace: &mut Workspace, _cx: &mut ViewContext<Workspace>| {            workspace.register_action(Editor::new_file);            workspace.register_action(Editor::new_file_vertical);            workspace.register_action(Editor::new_file_horizontal);        },    )    .detach();     cx.on_action(move |_: &workspace::NewFile, cx| {        let app_state = workspace::AppState::global(cx);        if let Some(app_state) = app_state.upgrade() {            workspace::open_new(Default::default(), app_state, cx, |workspace, cx| {                Editor::new_file(workspace, &Default::default(), cx)            })            .detach();        }    });    cx.on_action(move |_: &workspace::NewWindow, cx| {        let app_state = workspace::AppState::global(cx);        if let Some(app_state) = app_state.upgrade() {            workspace::open_new(Default::default(), app_state, cx, |workspace, cx| {                Editor::new_file(workspace, &Default::default(), cx)            })            .detach();        }    });    git::project_diff::init(cx);} pub struct SearchWithinRange; trait InvalidationRegion {    fn ranges(&self) -> &[Range<Anchor>];} #[derive(Clone, Debug, PartialEq)]pub enum SelectPhase {    Begin {        position: DisplayPoint,        add: bool,        click_count: usize,    },    BeginColumnar {        position: DisplayPoint,        reset: bool,        goal_column: u32,    },    Extend {        position: DisplayPoint,        click_count: usize,    },    Update {        position: DisplayPoint,        goal_column: u32,        scroll_delta: gpui::Point<f32>,    },    End,} #[derive(Clone, Debug)]pub enum SelectMode {    Character,    Word(Range<Anchor>),    Line(Range<Anchor>),    All,} #[derive(Copy, Clone, PartialEq, Eq, Debug)]pub enum EditorMode {    SingleLine { auto_width: bool },    AutoHeight { max_lines: usize },    Full,} #[derive(Copy, Clone, Debug)]pub enum SoftWrap {    /// Prefer not to wrap at all.    ///    /// Note: this is currently internal, as actually limited by [`crate::MAX_LINE_LEN`] until it wraps.    /// The mode is used inside git diff hunks, where it's seems currently more useful to not wrap as much as possible.    GitDiff,    /// Prefer a single line generally, unless an overly long line is encountered.    None,    /// Soft wrap lines that exceed the editor width.    EditorWidth,    /// Soft wrap lines at the preferred line length.    Column(u32),    /// Soft wrap line at the preferred line length or the editor width (whichever is smaller).    Bounded(u32),} #[derive(Clone)]pub struct EditorStyle {    pub background: Hsla,    pub local_player: PlayerColor,    pub text: TextStyle,    pub scrollbar_width: Pixels,    pub syntax: Arc<SyntaxTheme>,    pub status: StatusColors,    pub inlay_hints_style: HighlightStyle,    pub inline_completion_styles: InlineCompletionStyles,    pub unnecessary_code_fade: f32,} impl Default for EditorStyle {    fn default() -> Self {        Self {            background: Hsla::default(),            local_player: PlayerColor::default(),            text: TextStyle::default(),            scrollbar_width: Pixels::default(),            syntax: Default::default(),            // HACK: Status colors don't have a real default.            // We should look into removing the status colors from the editor            // style and retrieve them directly from the theme.            status: StatusColors::dark(),            inlay_hints_style: HighlightStyle::default(),            inline_completion_styles: InlineCompletionStyles {                insertion: HighlightStyle::default(),                whitespace: HighlightStyle::default(),            },            unnecessary_code_fade: Default::default(),        }    }} pub fn make_inlay_hints_style(cx: &WindowContext) -> HighlightStyle {    let show_background = language_settings::language_settings(None, None, cx)        .inlay_hints        .show_background;     HighlightStyle {        color: Some(cx.theme().status().hint),        background_color: show_background.then(|| cx.theme().status().hint_background),        ..HighlightStyle::default()    }} pub fn make_suggestion_styles(cx: &WindowContext) -> InlineCompletionStyles {    InlineCompletionStyles {        insertion: HighlightStyle {            color: Some(cx.theme().status().predictive),            ..HighlightStyle::default()        },        whitespace: HighlightStyle {            background_color: Some(cx.theme().status().created_background),            ..HighlightStyle::default()        },    }} type CompletionId = usize; enum InlineCompletion {    Edit(Vec<(Range<Anchor>, String)>),    Move(Anchor),} struct InlineCompletionState {    inlay_ids: Vec<InlayId>,    completion: InlineCompletion,    invalidation_range: Range<Anchor>,} enum InlineCompletionHighlight {} #[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug, Default)]struct EditorActionId(usize); impl EditorActionId {    pub fn post_inc(&mut self) -> Self {        let answer = self.0;         *self = Self(answer + 1);         Self(answer)    }} // type GetFieldEditorTheme = dyn Fn(&theme::Theme) -> theme::FieldEditor;// type OverrideTextStyle = dyn Fn(&EditorStyle) -> Option<HighlightStyle>; type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Arc<[Range<Anchor>]>);type GutterHighlight = (fn(&AppContext) -> Hsla, Arc<[Range<Anchor>]>); #[derive(Default)]struct ScrollbarMarkerState {    scrollbar_size: Size<Pixels>,    dirty: bool,    markers: Arc<[PaintQuad]>,    pending_refresh: Option<Task<Result<()>>>,} 

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