#![allow(unused)]
mod blink_manager;
pub mod display_map;
mod editor_settings;
mod element;
mod inlay_hint_cache;
mod git;
mod highlight_matching_bracket;
mod hover_popover;
pub mod items;
mod link_go_to_definition;
mod mouse_context_menu;
pub mod movement;
mod persistence;
pub mod scroll;
pub mod selections_collection;
#[cfg(test)]
mod editor_tests;
#[cfg(any(test, feature = "test-support"))]
pub mod test;
use ::git::diff::DiffHunk;
use aho_corasick::AhoCorasick;
use anyhow::{anyhow, Context as _, Result};
use blink_manager::BlinkManager;
use client::{Client, Collaborator, ParticipantIndex, TelemetrySettings};
use clock::ReplicaId;
use collections::{BTreeMap, Bound, HashMap, HashSet, VecDeque};
use convert_case::{Case, Casing};
use copilot::Copilot;
pub use display_map::DisplayPoint;
use display_map::*;
pub use editor_settings::EditorSettings;
pub use element::{
Cursor, EditorElement, HighlightedRange, HighlightedRangeLine, LineWithInvisibles,
};
use futures::FutureExt;
use fuzzy::{StringMatch, StringMatchCandidate};
use git::diff_hunk_to_display;
use gpui::{
actions, div, point, prelude::*, px, relative, rems, size, uniform_list, Action, AnyElement,
AppContext, AsyncWindowContext, BackgroundExecutor, Bounds, ClipboardItem, Component, Context,
EventEmitter, FocusHandle, FocusableView, FontFeatures, FontStyle, FontWeight, HighlightStyle,
Hsla, InputHandler, KeyContext, Model, MouseButton, ParentElement, Pixels, Render,
SharedString, Styled, Subscription, Task, TextStyle, UniformListScrollHandle, View,
ViewContext, VisualContext, WeakView, WindowContext,
};
use highlight_matching_bracket::refresh_matching_bracket_highlights;
use hover_popover::{hide_hover, HoverState};
use inlay_hint_cache::{InlayHintCache, InlaySplice, InvalidationStrategy};
pub use items::MAX_TAB_TITLE_LEN;
use itertools::Itertools;
pub use language::{char_kind, CharKind};
use language::{
language_settings::{self, all_language_settings, InlayHintSettings},
point_from_lsp, AutoindentMode, BracketPair, Buffer, CodeAction, Completion, CursorShape,
Diagnostic, IndentKind, IndentSize, Language, LanguageRegistry, LanguageServerName,
OffsetRangeExt, Point, Selection, SelectionGoal, TransactionId,
};
use lazy_static::lazy_static;
use link_go_to_definition::{GoToDefinitionLink, InlayHighlight, LinkGoToDefinitionState};
use lsp::{DiagnosticSeverity, Documentation, LanguageServerId};
use movement::TextLayoutDetails;
use multi_buffer::ToOffsetUtf16;
pub use multi_buffer::{
Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, ToOffset,
ToPoint,
};
use ordered_float::OrderedFloat;
use parking_lot::{Mutex, RwLock};
use project::{FormatTrigger, Location, Project, ProjectPath, ProjectTransaction};
use rand::prelude::*;
use rpc::proto::*;
use scroll::{
autoscroll::Autoscroll, OngoingScroll, ScrollAnchor, ScrollManager, ScrollbarAutoHide,
};
use selections_collection::{resolve_multiple, MutableSelectionsCollection, SelectionsCollection};
use serde::{Deserialize, Serialize};
use settings::{Settings, SettingsStore};
use smallvec::SmallVec;
use snippet::Snippet;
use std::{
any::TypeId,
borrow::Cow,
cmp::{self, Ordering, Reverse},
mem,
num::NonZeroU32,
ops::{ControlFlow, Deref, DerefMut, Range, RangeInclusive},
path::Path,
sync::Arc,
time::{Duration, Instant},
};
pub use sum_tree::Bias;
use sum_tree::TreeMap;
use text::{OffsetUtf16, Rope};
use theme::{
ActiveTheme, DiagnosticStyle, PlayerColor, SyntaxTheme, Theme, ThemeColors, ThemeSettings,
};
use ui::{v_stack, HighlightedLabel, IconButton, StyledExt, Tooltip};
use util::{post_inc, RangeExt, ResultExt, TryFutureExt};
use workspace::{
item::{ItemEvent, ItemHandle},
searchable::SearchEvent,
ItemNavHistory, SplitDirection, ViewId, Workspace,
};
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;
const COPILOT_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(75);
pub const CODE_ACTIONS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(250);
pub const DOCUMENT_HIGHLIGHTS_DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(75);
pub const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct SelectNext {
#[serde(default)]
pub replace_newest: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct SelectPrevious {
#[serde(default)]
pub replace_newest: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct SelectAllMatches {
#[serde(default)]
pub replace_newest: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct SelectToBeginningOfLine {
#[serde(default)]
stop_at_soft_wraps: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct MovePageUp {
#[serde(default)]
center_cursor: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct MovePageDown {
#[serde(default)]
center_cursor: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct SelectToEndOfLine {
#[serde(default)]
stop_at_soft_wraps: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct ToggleCodeActions {
#[serde(default)]
pub deployed_from_indicator: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct ConfirmCompletion {
#[serde(default)]
pub item_ix: Option<usize>,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct ConfirmCodeAction {
#[serde(default)]
pub item_ix: Option<usize>,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct ToggleComments {
#[serde(default)]
pub advance_downwards: bool,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct FoldAt {
pub buffer_row: u32,
}
#[derive(PartialEq, Clone, Deserialize, Default, Action)]
pub struct UnfoldAt {
pub buffer_row: u32,
}
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum InlayId {
Suggestion(usize),
Hint(usize),
}
impl InlayId {
fn id(&self) -> usize {
match self {
Self::Suggestion(id) => *id,
Self::Hint(id) => *id,
}
}
}
actions!(
AddSelectionAbove,
AddSelectionBelow,
Backspace,
Cancel,
ConfirmRename,
ContextMenuFirst,
ContextMenuLast,
ContextMenuNext,
ContextMenuPrev,
ConvertToKebabCase,
ConvertToLowerCamelCase,
ConvertToLowerCase,
ConvertToSnakeCase,
ConvertToTitleCase,
ConvertToUpperCamelCase,
ConvertToUpperCase,
Copy,
CopyHighlightJson,
CopyPath,
CopyRelativePath,
Cut,
CutToEndOfLine,
Delete,
DeleteLine,
DeleteToBeginningOfLine,
DeleteToEndOfLine,
DeleteToNextSubwordEnd,
DeleteToNextWordEnd,
DeleteToPreviousSubwordStart,
DeleteToPreviousWordStart,
DuplicateLine,
FindAllReferences,
Fold,
FoldSelectedRanges,
Format,
GoToDefinition,
GoToDefinitionSplit,
GoToDiagnostic,
GoToHunk,
GoToPrevDiagnostic,
GoToPrevHunk,
GoToTypeDefinition,
GoToTypeDefinitionSplit,
HalfPageDown,
HalfPageUp,
Hover,
Indent,
JoinLines,
LineDown,
LineUp,
MoveDown,
MoveLeft,
MoveLineDown,
MoveLineUp,
MoveRight,
MoveToBeginning,
MoveToBeginningOfLine,
MoveToEnclosingBracket,
MoveToEnd,
MoveToEndOfLine,
MoveToEndOfParagraph,
MoveToNextSubwordEnd,
MoveToNextWordEnd,
MoveToPreviousSubwordStart,
MoveToPreviousWordStart,
MoveToStartOfParagraph,
MoveUp,
Newline,
NewlineAbove,
NewlineBelow,
NextScreen,
OpenExcerpts,
Outdent,
PageDown,
PageUp,
Paste,
Redo,
RedoSelection,
Rename,
RestartLanguageServer,
RevealInFinder,
ReverseLines,
ScrollCursorBottom,
ScrollCursorCenter,
ScrollCursorTop,
SelectAll,
SelectDown,
SelectLargerSyntaxNode,
SelectLeft,
SelectLine,
SelectRight,
SelectSmallerSyntaxNode,
SelectToBeginning,
SelectToEnd,
SelectToEndOfParagraph,
SelectToNextSubwordEnd,
SelectToNextWordEnd,
SelectToPreviousSubwordStart,
SelectToPreviousWordStart,
SelectToStartOfParagraph,
SelectUp,
ShowCharacterPalette,
ShowCompletions,
ShuffleLines,
SortLinesCaseInsensitive,
SortLinesCaseSensitive,
SplitSelectionIntoLines,
Tab,
TabPrev,
ToggleInlayHints,
ToggleSoftWrap,
Transpose,
Undo,
UndoSelection,
UnfoldLines,
);
enum DocumentHighlightRead {}
enum DocumentHighlightWrite {}
enum InputComposition {}
#[derive(Copy, Clone, PartialEq, Eq)]
pub enum Direction {
Prev,
Next,
}
pub fn init_settings(cx: &mut AppContext) {
EditorSettings::register(cx);
}
pub fn init(cx: &mut AppContext) {
init_settings(cx);
hover_popover::init(cx);
workspace::register_project_item::<Editor>(cx);
workspace::register_followable_item::<Editor>(cx);
workspace::register_deserializable_item::<Editor>(cx);
}
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,
goal_column: u32,
},
Extend {
position: DisplayPoint,
click_count: usize,
},
Update {
position: DisplayPoint,
goal_column: u32,
scroll_position: 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,
AutoHeight { max_lines: usize },
Full,
}
#[derive(Clone, Debug)]
pub enum SoftWrap {
None,
EditorWidth,
Column(u32),
}
#[derive(Clone, Default)]
pub struct EditorStyle {
pub background: Hsla,
pub local_player: PlayerColor,
pub text: TextStyle,
pub scrollbar_width: Pixels,
pub syntax: Arc<SyntaxTheme>,
pub diagnostic_style: DiagnosticStyle,
}
type CompletionId = usize;
type BackgroundHighlight = (fn(&ThemeColors) -> Hsla, Vec<Range<Anchor>>);
type InlayBackgroundHighlight = (fn(&ThemeColors) -> Hsla, Vec<InlayHighlight>);
pub struct Editor {
handle: WeakView<Self>,
focus_handle: FocusHandle,
buffer: Model<MultiBuffer>,
display_map: Model<DisplayMap>,
pub selections: SelectionsCollection,
pub scroll_manager: ScrollManager,
columnar_selection_tail: Option<Anchor>,
add_selections_state: Option<AddSelectionsState>,
select_next_state: Option<SelectNextState>,
select_prev_state: Option<SelectNextState>,
selection_history: SelectionHistory,
autoclose_regions: Vec<AutocloseRegion>,
snippet_stack: InvalidationStack<SnippetState>,
select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
ime_transaction: Option<TransactionId>,
active_diagnostics: Option<ActiveDiagnosticGroup>,
soft_wrap_mode_override: Option<language_settings::SoftWrap>,
project: Option<Model<Project>>,
collaboration_hub: Option<Box<dyn CollaborationHub>>,
blink_manager: Model<BlinkManager>,
pub show_local_selections: bool,
mode: EditorMode,
show_gutter: bool,
show_wrap_guides: Option<bool>,
placeholder_text: Option<Arc<str>>,
highlighted_rows: Option<Range<u32>>,
background_highlights: BTreeMap<TypeId, BackgroundHighlight>,
inlay_background_highlights: TreeMap<Option<TypeId>, InlayBackgroundHighlight>,
nav_history: Option<ItemNavHistory>,
context_menu: RwLock<Option<ContextMenu>>,
completion_tasks: Vec<(CompletionId, Task<Option<()>>)>,
next_completion_id: CompletionId,
available_code_actions: Option<(Model<Buffer>, Arc<[CodeAction]>)>,
code_actions_task: Option<Task<()>>,
document_highlights_task: Option<Task<()>>,
pending_rename: Option<RenameState>,
searchable: bool,
cursor_shape: CursorShape,
collapse_matches: bool,
autoindent_mode: Option<AutoindentMode>,
workspace: Option<(WeakView<Workspace>, i64)>,
keymap_context_layers: BTreeMap<TypeId, KeyContext>,
input_enabled: bool,
read_only: bool,
leader_peer_id: Option<PeerId>,
remote_id: Option<ViewId>,
hover_state: HoverState,
gutter_hovered: bool,
link_go_to_definition_state: LinkGoToDefinitionState,
copilot_state: CopilotState,
inlay_hint_cache: InlayHintCache,
next_inlay_id: usize,
_subscriptions: Vec<Subscription>,
pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
gutter_width: Pixels,
style: Option<EditorStyle>,
}
pub struct EditorSnapshot {
pub mode: EditorMode,
pub show_gutter: bool,
pub display_snapshot: DisplaySnapshot,
pub placeholder_text: Option<Arc<str>>,
is_focused: bool,
scroll_anchor: ScrollAnchor,
ongoing_scroll: OngoingScroll,
}
pub struct RemoteSelection {
pub replica_id: ReplicaId,
pub selection: Selection<Anchor>,
pub cursor_shape: CursorShape,
pub peer_id: PeerId,
pub line_mode: bool,
pub participant_index: Option<ParticipantIndex>,
}
#[derive(Clone, Debug)]
struct SelectionHistoryEntry {
selections: Arc<[Selection<Anchor>]>,
select_next_state: Option<SelectNextState>,
select_prev_state: Option<SelectNextState>,
add_selections_state: Option<AddSelectionsState>,
}
enum SelectionHistoryMode {
Normal,
Undoing,
Redoing,
}
impl Default for SelectionHistoryMode {
fn default() -> Self {
Self::Normal
}
}
#[derive(Default)]
struct SelectionHistory {
#[allow(clippy::type_complexity)]
selections_by_transaction:
HashMap<TransactionId, (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)>,
mode: SelectionHistoryMode,
undo_stack: VecDeque<SelectionHistoryEntry>,
redo_stack: VecDeque<SelectionHistoryEntry>,
}
impl SelectionHistory {
fn insert_transaction(
&mut self,
transaction_id: TransactionId,
selections: Arc<[Selection<Anchor>]>,
) {
self.selections_by_transaction
.insert(transaction_id, (selections, None));
}
#[allow(clippy::type_complexity)]
fn transaction(
&self,
transaction_id: TransactionId,
) -> Option<&(Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
self.selections_by_transaction.get(&transaction_id)
}
#[allow(clippy::type_complexity)]
fn transaction_mut(
&mut self,
transaction_id: TransactionId,
) -> Option<&mut (Arc<[Selection<Anchor>]>, Option<Arc<[Selection<Anchor>]>>)> {
self.selections_by_transaction.get_mut(&transaction_id)
}
fn push(&mut self, entry: SelectionHistoryEntry) {
if !entry.selections.is_empty() {
match self.mode {
SelectionHistoryMode::Normal => {
self.push_undo(entry);
self.redo_stack.clear();
}
SelectionHistoryMode::Undoing => self.push_redo(entry),
SelectionHistoryMode::Redoing => self.push_undo(entry),
}
}
}
fn push_undo(&mut self, entry: SelectionHistoryEntry) {
if self
.undo_stack
.back()
.map_or(true, |e| e.selections != entry.selections)
{
self.undo_stack.push_back(entry);
if self.undo_stack.len() > MAX_SELECTION_HISTORY_LEN {
self.undo_stack.pop_front();
}
}
}
fn push_redo(&mut self, entry: SelectionHistoryEntry) {
if self
.redo_stack
.back()
.map_or(true, |e| e.selections != entry.selections)
{
self.redo_stack.push_back(entry);
if self.redo_stack.len() > MAX_SELECTION_HISTORY_LEN {
self.redo_stack.pop_front();
}
}
}
}
#[derive(Clone, Debug)]
struct AddSelectionsState {
above: bool,
stack: Vec<usize>,
}
#[derive(Clone)]
struct SelectNextState {
query: AhoCorasick,
wordwise: bool,
done: bool,
}
impl std::fmt::Debug for SelectNextState {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct(std::any::type_name::<Self>())
.field("wordwise", &self.wordwise)
.field("done", &self.done)
.finish()
}
}
#[derive(Debug)]
struct AutocloseRegion {
selection_id: usize,
range: Range<Anchor>,
pair: BracketPair,
}
#[derive(Debug)]
struct SnippetState {
ranges: Vec<Vec<Range<Anchor>>>,
active_index: usize,
}
pub struct RenameState {
pub range: Range<Anchor>,
pub old_name: Arc<str>,
pub editor: View<Editor>,
block_id: BlockId,
}
struct InvalidationStack<T>(Vec<T>);
enum ContextMenu {
Completions(CompletionsMenu),
CodeActions(CodeActionsMenu),
}
impl ContextMenu {
fn select_first(
&mut self,
project: Option<&Model<Project>>,
cx: &mut ViewContext<Editor>,
) -> bool {
if self.visible() {
match self {
ContextMenu::Completions(menu) => menu.select_first(project, cx),
ContextMenu::CodeActions(menu) => menu.select_first(cx),
}
true
} else {
false
}
}
fn select_prev(
&mut self,
project: Option<&Model<Project>>,
cx: &mut ViewContext<Editor>,
) -> bool {
if self.visible() {
match self {
ContextMenu::Completions(menu) => menu.select_prev(project, cx),
ContextMenu::CodeActions(menu) => menu.select_prev(cx),
}
true
} else {
false
}
}
fn select_next(
&mut self,
project: Option<&Model<Project>>,
cx: &mut ViewContext<Editor>,
) -> bool {
if self.visible() {
match self {
ContextMenu::Completions(menu) => menu.select_next(project, cx),
ContextMenu::CodeActions(menu) => menu.select_next(cx),
}
true
} else {
false
}
}
fn select_last(
&mut self,
project: Option<&Model<Project>>,
cx: &mut ViewContext<Editor>,
) -> bool {
if self.visible() {
match self {
ContextMenu::Completions(menu) => menu.select_last(project, cx),
ContextMenu::CodeActions(menu) => menu.select_last(cx),
}
true
} else {
false
}
}
fn visible(&self) -> bool {
match self {
ContextMenu::Completions(menu) => menu.visible(),
ContextMenu::CodeActions(menu) => menu.visible(),
}
}
fn render(
&self,
cursor_position: DisplayPoint,
style: &EditorStyle,
workspace: Option<WeakView<Workspace>>,
cx: &mut ViewContext<Editor>,
) -> (DisplayPoint, AnyElement) {
match self {
ContextMenu::Completions(menu) => (cursor_position, menu.render(style, workspace, cx)),
ContextMenu::CodeActions(menu) => menu.render(cursor_position, style, cx),
}
}
}
#[derive(Clone)]
struct CompletionsMenu {
id: CompletionId,
initial_position: Anchor,
buffer: Model<Buffer>,
completions: Arc<RwLock<Box<[Completion]>>>,
match_candidates: Arc<[StringMatchCandidate]>,
matches: Arc<[StringMatch]>,
selected_item: usize,
scroll_handle: UniformListScrollHandle,
}
impl CompletionsMenu {
fn select_first(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
self.selected_item = 0;
self.scroll_handle.scroll_to_item(self.selected_item);
self.attempt_resolve_selected_completion_documentation(project, cx);
cx.notify();
}
fn select_prev(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
if self.selected_item > 0 {
self.selected_item -= 1;
} else {
self.selected_item = self.matches.len() - 1;
}
self.scroll_handle.scroll_to_item(self.selected_item);
self.attempt_resolve_selected_completion_documentation(project, cx);
cx.notify();
}
fn select_next(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
if self.selected_item + 1 < self.matches.len() {
self.selected_item += 1;
} else {
self.selected_item = 0;
}
self.scroll_handle.scroll_to_item(self.selected_item);
self.attempt_resolve_selected_completion_documentation(project, cx);
cx.notify();
}
fn select_last(&mut self, project: Option<&Model<Project>>, cx: &mut ViewContext<Editor>) {
self.selected_item = self.matches.len() - 1;
self.scroll_handle.scroll_to_item(self.selected_item);
self.attempt_resolve_selected_completion_documentation(project, cx);
cx.notify();
}
fn pre_resolve_completion_documentation(
&self,
project: Option<Model<Project>>,
cx: &mut ViewContext<Editor>,
) {
}
fn attempt_resolve_selected_completion_documentation(
&mut self,
project: Option<&Model<Project>>,
cx: &mut ViewContext<Editor>,
) {
let settings = EditorSettings::get_global(cx);
if !settings.show_completion_documentation {
return;
}
let completion_index = self.matches[self.selected_item].candidate_id;
let Some(project) = project else {
return;
};
let language_registry = project.read(cx).languages().clone();
let completions = self.completions.clone();
let completions_guard = completions.read();
let completion = &completions_guard[completion_index];
let server_id = completion.server_id;
let completion = completion.lsp_completion.clone();
drop(completions_guard);
if project.read(cx).is_remote() {
let Some(project_id) = project.read(cx).remote_id() else {
log::error!("Remote project without remote_id");
return;
};
let client = project.read(cx).client();
cx.spawn(move |this, mut cx| async move {
Self::resolve_completion_documentation_remote(
project_id,
server_id,
completions.clone(),
completion_index,
completion,
client,
language_registry.clone(),
)
.await;
_ = this.update(&mut cx, |_, cx| cx.notify());
})
.detach();
} else {
let Some(server) = project.read(cx).language_server_for_id(server_id) else {
return;
};
cx.spawn(move |this, mut cx| async move {
Self::resolve_completion_documentation_local(
server,
completions,
completion_index,
completion,
language_registry,
)
.await;
_ = this.update(&mut cx, |_, cx| cx.notify());
})
.detach();
}
}
async fn resolve_completion_documentation_remote(
project_id: u64,
server_id: LanguageServerId,
completions: Arc<RwLock<Box<[Completion]>>>,
completion_index: usize,
completion: lsp::CompletionItem,
client: Arc<Client>,
language_registry: Arc<LanguageRegistry>,
) {
}
async fn resolve_completion_documentation_local(
server: Arc<lsp::LanguageServer>,
completions: Arc<RwLock<Box<[Completion]>>>,
completion_index: usize,
completion: lsp::CompletionItem,
language_registry: Arc<LanguageRegistry>,
) {
}
fn visible(&self) -> bool {
!self.matches.is_empty()
}
fn render(
&self,
style: &EditorStyle,
workspace: Option<WeakView<Workspace>>,
cx: &mut ViewContext<Editor>,
) -> AnyElement {
todo!("old implementation below")
}
pub async fn filter(&mut self, query: Option<&str>, executor: BackgroundExecutor) {
let mut matches = if let Some(query) = query {
fuzzy::match_strings(
&self.match_candidates,
query,
query.chars().any(|c| c.is_uppercase()),
100,
&Default::default(),
executor,
)
.await
} else {
self.match_candidates
.iter()
.enumerate()
.map(|(candidate_id, candidate)| StringMatch {
candidate_id,
score: Default::default(),
positions: Default::default(),
string: candidate.string.clone(),
})
.collect()
};
if let Some(query) = query {
if let Some(query_start) = query.chars().next() {
matches.retain(|string_match| {
split_words(&string_match.string).any(|word| {
word.chars()
.flat_map(|codepoint| codepoint.to_lowercase())
.zip(query_start.to_lowercase())
.all(|(word_cp, query_cp)| word_cp == query_cp)
})
});
}
}
let completions = self.completions.read();
matches.sort_unstable_by_key(|mat| {
let completion = &completions[mat.candidate_id];
(
completion.lsp_completion.sort_text.as_ref(),
Reverse(OrderedFloat(mat.score)),
completion.sort_key(),
)
});
drop(completions);
for mat in &mut matches {
let completions = self.completions.read();
let filter_start = completions[mat.candidate_id].label.filter_range.start;
for position in &mut mat.positions {
*position += filter_start;
}
}
self.matches = matches.into();
self.selected_item = 0;
}
}
#[derive(Clone)]
struct CodeActionsMenu {
actions: Arc<[CodeAction]>,
buffer: Model<Buffer>,
selected_item: usize,
scroll_handle: UniformListScrollHandle,
deployed_from_indicator: bool,
}
impl CodeActionsMenu {
fn select_first(&mut self, cx: &mut ViewContext<Editor>) {
self.selected_item = 0;
self.scroll_handle.scroll_to_item(self.selected_item);
cx.notify()
}
fn select_prev(&mut self, cx: &mut ViewContext<Editor>) {
if self.selected_item > 0 {
self.selected_item -= 1;
} else {
self.selected_item = self.actions.len() - 1;
}
self.scroll_handle.scroll_to_item(self.selected_item);
cx.notify();
}
fn select_next(&mut self, cx: &mut ViewContext<Editor>) {
if self.selected_item + 1 < self.actions.len() {
self.selected_item += 1;
} else {
self.selected_item = 0;
}
self.scroll_handle.scroll_to_item(self.selected_item);
cx.notify();
}
fn select_last(&mut self, cx: &mut ViewContext<Editor>) {
self.selected_item = self.actions.len() - 1;
self.scroll_handle.scroll_to_item(self.selected_item);
cx.notify()
}
fn visible(&self) -> bool {
!self.actions.is_empty()
}
fn render(
&self,
mut cursor_position: DisplayPoint,
style: &EditorStyle,
cx: &mut ViewContext<Editor>,
) -> (DisplayPoint, AnyElement) {
let actions = self.actions.clone();
let selected_item = self.selected_item;
let element = uniform_list(
cx.view().clone(),
"code_actions_menu",
self.actions.len(),
move |this, range, cx| {
actions[range.clone()]
.iter()
.enumerate()
.map(|(ix, action)| {
let item_ix = range.start + ix;
let selected = selected_item == item_ix;
let colors = cx.theme().colors();
div()
.px_2()
.text_ui()
.text_color(colors.text)
.when(selected, |style| {
style
.bg(colors.element_active)
.text_color(colors.text_accent)
})
.hover(|style| {
style
.bg(colors.element_hover)
.text_color(colors.text_accent)
})
.on_mouse_down(
MouseButton::Left,
cx.listener(move |editor, _, cx| {
cx.stop_propagation();
editor
.confirm_code_action(
&ConfirmCodeAction {
item_ix: Some(item_ix),
},
cx,
)
.map(|task| task.detach_and_log_err(cx));
}),
)
.child(SharedString::from(action.lsp_action.title.clone()))
})
.collect()
},
)
.elevation_1(cx)
.px_2()
.py_1()
.with_width_from_item(
self.actions
.iter()
.enumerate()
.max_by_key(|(_, action)| action.lsp_action.title.chars().count())
.map(|(ix, _)| ix),
)
.render_into_any();
if self.deployed_from_indicator {
*cursor_position.column_mut() = 0;
}
(cursor_position, element)
}
}
pub struct CopilotState {
excerpt_id: Option<ExcerptId>,
pending_refresh: Task<Option<()>>,
pending_cycling_refresh: Task<Option<()>>,
cycled: bool,
completions: Vec<copilot::Completion>,
active_completion_index: usize,
suggestion: Option<Inlay>,
}
impl Default for CopilotState {
fn default() -> Self {
Self {
excerpt_id: None,
pending_cycling_refresh: Task::ready(Some(())),
pending_refresh: Task::ready(Some(())),
completions: Default::default(),
active_completion_index: 0,
cycled: false,
suggestion: None,
}
}
}
impl CopilotState {
fn active_completion(&self) -> Option<&copilot::Completion> {
self.completions.get(self.active_completion_index)
}
fn text_for_active_completion(
&self,
cursor: Anchor,
buffer: &MultiBufferSnapshot,
) -> Option<&str> {
use language::ToOffset as _;
let completion = self.active_completion()?;
let excerpt_id = self.excerpt_id?;
let completion_buffer = buffer.buffer_for_excerpt(excerpt_id)?;
if excerpt_id != cursor.excerpt_id
|| !completion.range.start.is_valid(completion_buffer)
|| !completion.range.end.is_valid(completion_buffer)
{
return None;
}
let mut completion_range = completion.range.to_offset(&completion_buffer);
let prefix_len = Self::common_prefix(
completion_buffer.chars_for_range(completion_range.clone()),
completion.text.chars(),
);
completion_range.start += prefix_len;
let suffix_len = Self::common_prefix(
completion_buffer.reversed_chars_for_range(completion_range.clone()),
completion.text[prefix_len..].chars().rev(),
);
completion_range.end = completion_range.end.saturating_sub(suffix_len);
if completion_range.is_empty()
&& completion_range.start == cursor.text_anchor.to_offset(&completion_buffer)
{
Some(&completion.text[prefix_len..completion.text.len() - suffix_len])
} else {
None
}
}
fn cycle_completions(&mut self, direction: Direction) {
match direction {
Direction::Prev => {
self.active_completion_index = if self.active_completion_index == 0 {
self.completions.len().saturating_sub(1)
} else {
self.active_completion_index - 1
};
}
Direction::Next => {
if self.completions.len() == 0 {
self.active_completion_index = 0
} else {
self.active_completion_index =
(self.active_completion_index + 1) % self.completions.len();
}
}
}
}
fn push_completion(&mut self, new_completion: copilot::Completion) {
for completion in &self.completions {
if completion.text == new_completion.text && completion.range == new_completion.range {
return;
}
}
self.completions.push(new_completion);
}
fn common_prefix<T1: Iterator<Item = char>, T2: Iterator<Item = char>>(a: T1, b: T2) -> usize {
a.zip(b)
.take_while(|(a, b)| a == b)
.map(|(a, _)| a.len_utf8())
.sum()
}
}
#[derive(Debug)]
struct ActiveDiagnosticGroup {
primary_range: Range<Anchor>,
primary_message: String,
blocks: HashMap<BlockId, Diagnostic>,
is_valid: bool,
}
#[derive(Serialize, Deserialize)]
pub struct ClipboardSelection {
pub len: usize,
pub is_entire_line: bool,
pub first_line_indent: u32,
}
#[derive(Debug)]
pub struct NavigationData {
cursor_anchor: Anchor,
cursor_position: Point,
scroll_anchor: ScrollAnchor,
scroll_top_row: u32,
}
pub struct EditorCreated(pub View<Editor>);
enum GotoDefinitionKind {
Symbol,
Type,
}
#[derive(Debug, Clone)]
enum InlayHintRefreshReason {
Toggle(bool),
SettingsChange(InlayHintSettings),
NewLinesShown,
BufferEdited(HashSet<Arc<Language>>),
RefreshRequested,
ExcerptsRemoved(Vec<ExcerptId>),
}
impl InlayHintRefreshReason {
fn description(&self) -> &'static str {
match self {
Self::Toggle(_) => "toggle",
Self::SettingsChange(_) => "settings change",
Self::NewLinesShown => "new lines shown",
Self::BufferEdited(_) => "buffer edited",
Self::RefreshRequested => "refresh requested",
Self::ExcerptsRemoved(_) => "excerpts removed",
}
}
}
impl Editor {
pub fn single_line(cx: &mut ViewContext<Self>) -> Self {
let buffer = cx.build_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), String::new()));
let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
Self::new(EditorMode::SingleLine, buffer, None, cx)
}
pub fn for_buffer(
buffer: Model<Buffer>,
project: Option<Model<Project>>,
cx: &mut ViewContext<Self>,
) -> Self {
let buffer = cx.build_model(|cx| MultiBuffer::singleton(buffer, cx));
Self::new(EditorMode::Full, buffer, project, cx)
}
pub fn for_multibuffer(
buffer: Model<MultiBuffer>,
project: Option<Model<Project>>,
cx: &mut ViewContext<Self>,
) -> Self {
Self::new(EditorMode::Full, buffer, project, cx)
}
pub fn clone(&self, cx: &mut ViewContext<Self>) -> Self {
let mut clone = Self::new(
self.mode,
self.buffer.clone(),
self.project.clone(),
cx,
);
self.display_map.update(cx, |display_map, cx| {
let snapshot = display_map.snapshot(cx);
clone.display_map.update(cx, |display_map, cx| {
display_map.set_state(&snapshot, cx);
});
});
clone.selections.clone_state(&self.selections);
clone.scroll_manager.clone_state(&self.scroll_manager);
clone.searchable = self.searchable;
clone
}
fn new(
mode: EditorMode,
buffer: Model<MultiBuffer>,
project: Option<Model<Project>>,
cx: &mut ViewContext<Self>,
) -> Self {
let style = cx.text_style();
let font_size = style.font_size.to_pixels(cx.rem_size());
let display_map = cx.build_model(|cx| {
DisplayMap::new(buffer.clone(), style.font(), font_size, None, 2, 1, cx)
});
let selections = SelectionsCollection::new(display_map.clone(), buffer.clone());
let blink_manager = cx.build_model(|cx| BlinkManager::new(CURSOR_BLINK_INTERVAL, cx));
let soft_wrap_mode_override =
(mode == EditorMode::SingleLine).then(|| language_settings::SoftWrap::None);
let mut project_subscriptions = Vec::new();
if mode == EditorMode::Full {
if let Some(project) = project.as_ref() {
if buffer.read(cx).is_singleton() {
project_subscriptions.push(cx.observe(project, |_, _, cx| {
cx.emit(ItemEvent::UpdateTab);
cx.emit(ItemEvent::UpdateBreadcrumbs);
}));
}
project_subscriptions.push(cx.subscribe(project, |editor, _, event, cx| {
if let project::Event::RefreshInlayHints = event {
editor.refresh_inlay_hints(InlayHintRefreshReason::RefreshRequested, cx);
};
}));
}
}
let inlay_hint_settings = inlay_hint_settings(
selections.newest_anchor().head(),
&buffer.read(cx).snapshot(cx),
cx,
);
let focus_handle = cx.focus_handle();
cx.on_focus(&focus_handle, Self::handle_focus).detach();
cx.on_blur(&focus_handle, Self::handle_blur).detach();
let mut this = Self {
handle: cx.view().downgrade(),
focus_handle,
buffer: buffer.clone(),
display_map: display_map.clone(),
selections,
scroll_manager: ScrollManager::new(),
columnar_selection_tail: None,
add_selections_state: None,
select_next_state: None,
select_prev_state: None,
selection_history: Default::default(),
autoclose_regions: Default::default(),
snippet_stack: Default::default(),
select_larger_syntax_node_stack: Vec::new(),
ime_transaction: Default::default(),
active_diagnostics: None,
soft_wrap_mode_override,
collaboration_hub: project.clone().map(|project| Box::new(project) as _),
project,
blink_manager: blink_manager.clone(),
show_local_selections: true,
mode,
show_gutter: mode == EditorMode::Full,
show_wrap_guides: None,
placeholder_text: None,
highlighted_rows: None,
background_highlights: Default::default(),
inlay_background_highlights: Default::default(),
nav_history: None,
context_menu: RwLock::new(None),
completion_tasks: Default::default(),
next_completion_id: 0,
next_inlay_id: 0,
available_code_actions: Default::default(),
code_actions_task: Default::default(),
document_highlights_task: Default::default(),
pending_rename: Default::default(),
searchable: true,
cursor_shape: Default::default(),
autoindent_mode: Some(AutoindentMode::EachLine),
collapse_matches: false,
workspace: None,
keymap_context_layers: Default::default(),
input_enabled: true,
read_only: false,
leader_peer_id: None,
remote_id: None,
hover_state: Default::default(),
link_go_to_definition_state: Default::default(),
copilot_state: Default::default(),
inlay_hint_cache: InlayHintCache::new(inlay_hint_settings),
gutter_hovered: false,
pixel_position_of_newest_cursor: None,
gutter_width: Default::default(),
style: None,
_subscriptions: vec![
cx.observe(&buffer, Self::on_buffer_changed),
cx.subscribe(&buffer, Self::on_buffer_event),
cx.observe(&display_map, Self::on_display_map_changed),
cx.observe(&blink_manager, |_, _, cx| cx.notify()),
cx.observe_global::<SettingsStore>(Self::settings_changed),
cx.observe_window_activation(|editor, cx| {
let active = cx.is_window_active();
editor.blink_manager.update(cx, |blink_manager, cx| {
if active {
blink_manager.enable(cx);
} else {
blink_manager.show_cursor(cx);
blink_manager.disable(cx);
}
});
}),
],
};
this._subscriptions.extend(project_subscriptions);
this.end_selection(cx);
this.scroll_manager.show_scrollbar(cx);
if mode == EditorMode::Full {
let should_auto_hide_scrollbars = cx.should_auto_hide_scrollbars();
cx.set_global(ScrollbarAutoHide(should_auto_hide_scrollbars));
}
this.report_editor_event("open", None, cx);
this
}
fn dispatch_context(&self, cx: &AppContext) -> KeyContext {
let mut dispatch_context = KeyContext::default();
dispatch_context.add("Editor");
let mode = match self.mode {
EditorMode::SingleLine => "single_line",
EditorMode::AutoHeight { .. } => "auto_height",
EditorMode::Full => "full",
};
dispatch_context.set("mode", mode);
if self.pending_rename.is_some() {
dispatch_context.add("renaming");
}
if self.context_menu_visible() {
match self.context_menu.read().as_ref() {
Some(ContextMenu::Completions(_)) => {
dispatch_context.add("menu");
dispatch_context.add("showing_completions")
}
Some(ContextMenu::CodeActions(_)) => {
dispatch_context.add("menu");
dispatch_context.add("showing_code_actions")
}
None => {}
}
}
for layer in self.keymap_context_layers.values() {
dispatch_context.extend(layer);
}
if let Some(extension) = self
.buffer
.read(cx)
.as_singleton()
.and_then(|buffer| buffer.read(cx).file()?.path().extension()?.to_str())
{
dispatch_context.set("extension", extension.to_string());
}
dispatch_context
}
pub fn new_file(
workspace: &mut Workspace,
_: &workspace::NewFile,
cx: &mut ViewContext<Workspace>,
) {
let project = workspace.project().clone();
if project.read(cx).is_remote() {
cx.propagate();
} else if let Some(buffer) = project
.update(cx, |project, cx| project.create_buffer("", None, cx))
.log_err()
{
workspace.add_item(
Box::new(cx.build_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx))),
cx,
);
}
}
pub fn replica_id(&self, cx: &AppContext) -> ReplicaId {
self.buffer.read(cx).replica_id()
}
pub fn buffer(&self) -> &Model<MultiBuffer> {
&self.buffer
}
fn workspace(&self) -> Option<View<Workspace>> {
self.workspace.as_ref()?.0.upgrade()
}
pub fn title<'a>(&self, cx: &'a AppContext) -> Cow<'a, str> {
self.buffer().read(cx).title(cx)
}
pub fn snapshot(&mut self, cx: &mut WindowContext) -> EditorSnapshot {
EditorSnapshot {
mode: self.mode,
show_gutter: self.show_gutter,
display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
scroll_anchor: self.scroll_manager.anchor(),
ongoing_scroll: self.scroll_manager.ongoing_scroll(),
placeholder_text: self.placeholder_text.clone(),
is_focused: self.focus_handle.is_focused(cx),
}
}
pub fn mode(&self) -> EditorMode {
self.mode
}
pub fn collaboration_hub(&self) -> Option<&dyn CollaborationHub> {
self.collaboration_hub.as_deref()
}
pub fn set_collaboration_hub(&mut self, hub: Box<dyn CollaborationHub>) {
self.collaboration_hub = Some(hub);
}
pub fn set_placeholder_text(
&mut self,
placeholder_text: impl Into<Arc<str>>,
cx: &mut ViewContext<Self>,
) {
self.placeholder_text = Some(placeholder_text.into());
cx.notify();
}
pub fn range_for_match<T: std::marker::Copy>(&self, range: &Range<T>) -> Range<T> {
if self.collapse_matches {
return range.start..range.start;
}
range.clone()
}
fn selections_did_change(
&mut self,
local: bool,
old_cursor_position: &Anchor,
cx: &mut ViewContext<Self>,
) {
if self.focus_handle.is_focused(cx) && self.leader_peer_id.is_none() {
self.buffer.update(cx, |buffer, cx| {
buffer.set_active_selections(
&self.selections.disjoint_anchors(),
self.selections.line_mode,
self.cursor_shape,
cx,
)
});
}
let display_map = self
.display_map
.update(cx, |display_map, cx| display_map.snapshot(cx));
let buffer = &display_map.buffer_snapshot;
self.add_selections_state = None;
self.select_next_state = None;
self.select_prev_state = None;
self.select_larger_syntax_node_stack.clear();
self.invalidate_autoclose_regions(&self.selections.disjoint_anchors(), buffer);
self.snippet_stack
.invalidate(&self.selections.disjoint_anchors(), buffer);
self.take_rename(false, cx);
let new_cursor_position = self.selections.newest_anchor().head();
self.push_to_nav_history(
old_cursor_position.clone(),
Some(new_cursor_position.to_point(buffer)),
cx,
);
if local {
let new_cursor_position = self.selections.newest_anchor().head();
let mut context_menu = self.context_menu.write();
let completion_menu = match context_menu.as_ref() {
Some(ContextMenu::Completions(menu)) => Some(menu),
_ => {
*context_menu = None;
None
}
};
if let Some(completion_menu) = completion_menu {
let cursor_position = new_cursor_position.to_offset(buffer);
let (word_range, kind) =
buffer.surrounding_word(completion_menu.initial_position.clone());
if kind == Some(CharKind::Word)
&& word_range.to_inclusive().contains(&cursor_position)
{
let mut completion_menu = completion_menu.clone();
drop(context_menu);
let query = Self::completion_query(buffer, cursor_position);
cx.spawn(move |this, mut cx| async move {
completion_menu
.filter(query.as_deref(), cx.background_executor().clone())
.await;
this.update(&mut cx, |this, cx| {
let mut context_menu = this.context_menu.write();
let Some(ContextMenu::Completions(menu)) = context_menu.as_ref() else {
return;
};
if menu.id > completion_menu.id {
return;
}
*context_menu = Some(ContextMenu::Completions(completion_menu));
drop(context_menu);
cx.notify();
})
})
.detach();
self.show_completions(&ShowCompletions, cx);
} else {
drop(context_menu);
self.hide_context_menu(cx);
}
} else {
drop(context_menu);
}
hide_hover(self, cx);
if old_cursor_position.to_display_point(&display_map).row()
!= new_cursor_position.to_display_point(&display_map).row()
{
self.available_code_actions.take();
}
self.refresh_code_actions(cx);
self.refresh_document_highlights(cx);
refresh_matching_bracket_highlights(self, cx);
self.discard_copilot_suggestion(cx);
}
self.blink_manager.update(cx, BlinkManager::pause_blinking);
cx.emit(EditorEvent::SelectionsChanged { local });
cx.emit(SearchEvent::MatchesInvalidated);
if self.selections.disjoint_anchors().len() == 1 {
cx.emit(SearchEvent::ActiveMatchChanged)
}
if local {
cx.emit(ItemEvent::UpdateBreadcrumbs);
}
cx.notify();
}
pub fn change_selections<R>(
&mut self,
autoscroll: Option<Autoscroll>,
cx: &mut ViewContext<Self>,
change: impl FnOnce(&mut MutableSelectionsCollection<'_>) -> R,
) -> R {
let old_cursor_position = self.selections.newest_anchor().head();
self.push_to_selection_history();
let (changed, result) = self.selections.change_with(cx, change);
if changed {
if let Some(autoscroll) = autoscroll {
self.request_autoscroll(autoscroll, cx);
}
self.selections_did_change(true, &old_cursor_position, cx);
}
result
}
pub fn edit<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
where
I: IntoIterator<Item = (Range<S>, T)>,
S: ToOffset,
T: Into<Arc<str>>,
{
if self.read_only {
return;
}
self.buffer
.update(cx, |buffer, cx| buffer.edit(edits, None, cx));
}
pub fn edit_with_autoindent<I, S, T>(&mut self, edits: I, cx: &mut ViewContext<Self>)
where
I: IntoIterator<Item = (Range<S>, T)>,
S: ToOffset,
T: Into<Arc<str>>,
{
if self.read_only {
return;
}
self.buffer.update(cx, |buffer, cx| {
buffer.edit(edits, self.autoindent_mode.clone(), cx)
});
}
pub fn edit_with_block_indent<I, S, T>(
&mut self,
edits: I,
original_indent_columns: Vec<u32>,
cx: &mut ViewContext<Self>,
) where
I: IntoIterator<Item = (Range<S>, T)>,
S: ToOffset,
T: Into<Arc<str>>,
{
if self.read_only {
return;
}
self.buffer.update(cx, |buffer, cx| {
buffer.edit(
edits,
Some(AutoindentMode::Block {
original_indent_columns,
}),
cx,
)
});
}
fn select(&mut self, phase: SelectPhase, cx: &mut ViewContext<Self>) {
self.hide_context_menu(cx);
match phase {
SelectPhase::Begin {
position,
add,
click_count,
} => self.begin_selection(position, add, click_count, cx),
SelectPhase::BeginColumnar {
position,
goal_column,
} => self.begin_columnar_selection(position, goal_column, cx),
SelectPhase::Extend {
position,
click_count,
} => self.extend_selection(position, click_count, cx),
SelectPhase::Update {
position,
goal_column,
scroll_position,
} => self.update_selection(position, goal_column, scroll_position, cx),
SelectPhase::End => self.end_selection(cx),
}
}
fn extend_selection(
&mut self,
position: DisplayPoint,
click_count: usize,
cx: &mut ViewContext<Self>,
) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let tail = self.selections.newest::<usize>(cx).tail();
self.begin_selection(position, false, click_count, cx);
let position = position.to_offset(&display_map, Bias::Left);
let tail_anchor = display_map.buffer_snapshot.anchor_before(tail);
let mut pending_selection = self
.selections
.pending_anchor()
.expect("extend_selection not called with pending selection");
if position >= tail {
pending_selection.start = tail_anchor;
} else {
pending_selection.end = tail_anchor;
pending_selection.reversed = true;
}
let mut pending_mode = self.selections.pending_mode().unwrap();
match &mut pending_mode {
SelectMode::Word(range) | SelectMode::Line(range) => *range = tail_anchor..tail_anchor,
_ => {}
}
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.set_pending(pending_selection, pending_mode)
});
}
fn begin_selection(
&mut self,
position: DisplayPoint,
add: bool,
click_count: usize,
cx: &mut ViewContext<Self>,
) {
if !self.focus_handle.is_focused(cx) {
cx.focus(&self.focus_handle);
}
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = &display_map.buffer_snapshot;
let newest_selection = self.selections.newest_anchor().clone();
let position = display_map.clip_point(position, Bias::Left);
let start;
let end;
let mode;
let auto_scroll;
match click_count {
1 => {
start = buffer.anchor_before(position.to_point(&display_map));
end = start.clone();
mode = SelectMode::Character;
auto_scroll = true;
}
2 => {
let range = movement::surrounding_word(&display_map, position);
start = buffer.anchor_before(range.start.to_point(&display_map));
end = buffer.anchor_before(range.end.to_point(&display_map));
mode = SelectMode::Word(start.clone()..end.clone());
auto_scroll = true;
}
3 => {
let position = display_map
.clip_point(position, Bias::Left)
.to_point(&display_map);
let line_start = display_map.prev_line_boundary(position).0;
let next_line_start = buffer.clip_point(
display_map.next_line_boundary(position).0 + Point::new(1, 0),
Bias::Left,
);
start = buffer.anchor_before(line_start);
end = buffer.anchor_before(next_line_start);
mode = SelectMode::Line(start.clone()..end.clone());
auto_scroll = true;
}
_ => {
start = buffer.anchor_before(0);
end = buffer.anchor_before(buffer.len());
mode = SelectMode::All;
auto_scroll = false;
}
}
self.change_selections(auto_scroll.then(|| Autoscroll::newest()), cx, |s| {
if !add {
s.clear_disjoint();
} else if click_count > 1 {
s.delete(newest_selection.id)
}
s.set_pending_anchor_range(start..end, mode);
});
}
fn begin_columnar_selection(
&mut self,
position: DisplayPoint,
goal_column: u32,
cx: &mut ViewContext<Self>,
) {
if !self.focus_handle.is_focused(cx) {
cx.focus(&self.focus_handle);
}
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let tail = self.selections.newest::<Point>(cx).tail();
self.columnar_selection_tail = Some(display_map.buffer_snapshot.anchor_before(tail));
self.select_columns(
tail.to_display_point(&display_map),
position,
goal_column,
&display_map,
cx,
);
}
fn update_selection(
&mut self,
position: DisplayPoint,
goal_column: u32,
scroll_position: gpui::Point<f32>,
cx: &mut ViewContext<Self>,
) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
if let Some(tail) = self.columnar_selection_tail.as_ref() {
let tail = tail.to_display_point(&display_map);
self.select_columns(tail, position, goal_column, &display_map, cx);
} else if let Some(mut pending) = self.selections.pending_anchor() {
let buffer = self.buffer.read(cx).snapshot(cx);
let head;
let tail;
let mode = self.selections.pending_mode().unwrap();
match &mode {
SelectMode::Character => {
head = position.to_point(&display_map);
tail = pending.tail().to_point(&buffer);
}
SelectMode::Word(original_range) => {
let original_display_range = original_range.start.to_display_point(&display_map)
..original_range.end.to_display_point(&display_map);
let original_buffer_range = original_display_range.start.to_point(&display_map)
..original_display_range.end.to_point(&display_map);
if movement::is_inside_word(&display_map, position)
|| original_display_range.contains(&position)
{
let word_range = movement::surrounding_word(&display_map, position);
if word_range.start < original_display_range.start {
head = word_range.start.to_point(&display_map);
} else {
head = word_range.end.to_point(&display_map);
}
} else {
head = position.to_point(&display_map);
}
if head <= original_buffer_range.start {
tail = original_buffer_range.end;
} else {
tail = original_buffer_range.start;
}
}
SelectMode::Line(original_range) => {
let original_range = original_range.to_point(&display_map.buffer_snapshot);
let position = display_map
.clip_point(position, Bias::Left)
.to_point(&display_map);
let line_start = display_map.prev_line_boundary(position).0;
let next_line_start = buffer.clip_point(
display_map.next_line_boundary(position).0 + Point::new(1, 0),
Bias::Left,
);
if line_start < original_range.start {
head = line_start
} else {
head = next_line_start
}
if head <= original_range.start {
tail = original_range.end;
} else {
tail = original_range.start;
}
}
SelectMode::All => {
return;
}
};
if head < tail {
pending.start = buffer.anchor_before(head);
pending.end = buffer.anchor_before(tail);
pending.reversed = true;
} else {
pending.start = buffer.anchor_before(tail);
pending.end = buffer.anchor_before(head);
pending.reversed = false;
}
self.change_selections(None, cx, |s| {
s.set_pending(pending, mode);
});
} else {
log::error!("update_selection dispatched with no pending selection");
return;
}
self.set_scroll_position(scroll_position, cx);
cx.notify();
}
fn end_selection(&mut self, cx: &mut ViewContext<Self>) {
self.columnar_selection_tail.take();
if self.selections.pending_anchor().is_some() {
let selections = self.selections.all::<usize>(cx);
self.change_selections(None, cx, |s| {
s.select(selections);
s.clear_pending();
});
}
}
fn select_columns(
&mut self,
tail: DisplayPoint,
head: DisplayPoint,
goal_column: u32,
display_map: &DisplaySnapshot,
cx: &mut ViewContext<Self>,
) {
let start_row = cmp::min(tail.row(), head.row());
let end_row = cmp::max(tail.row(), head.row());
let start_column = cmp::min(tail.column(), goal_column);
let end_column = cmp::max(tail.column(), goal_column);
let reversed = start_column < tail.column();
let selection_ranges = (start_row..=end_row)
.filter_map(|row| {
if start_column <= display_map.line_len(row) && !display_map.is_block_line(row) {
let start = display_map
.clip_point(DisplayPoint::new(row, start_column), Bias::Left)
.to_point(display_map);
let end = display_map
.clip_point(DisplayPoint::new(row, end_column), Bias::Right)
.to_point(display_map);
if reversed {
Some(end..start)
} else {
Some(start..end)
}
} else {
None
}
})
.collect::<Vec<_>>();
self.change_selections(None, cx, |s| {
s.select_ranges(selection_ranges);
});
cx.notify();
}
pub fn has_pending_nonempty_selection(&self) -> bool {
let pending_nonempty_selection = match self.selections.pending_anchor() {
Some(Selection { start, end, .. }) => start != end,
None => false,
};
pending_nonempty_selection || self.columnar_selection_tail.is_some()
}
pub fn has_pending_selection(&self) -> bool {
self.selections.pending_anchor().is_some() || self.columnar_selection_tail.is_some()
}
pub fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
if self.take_rename(false, cx).is_some() {
return;
}
if hide_hover(self, cx) {
return;
}
if self.hide_context_menu(cx).is_some() {
return;
}
if self.discard_copilot_suggestion(cx) {
return;
}
if self.snippet_stack.pop().is_some() {
return;
}
if self.mode == EditorMode::Full {
if self.active_diagnostics.is_some() {
self.dismiss_diagnostics(cx);
return;
}
if self.change_selections(Some(Autoscroll::fit()), cx, |s| s.try_cancel()) {
return;
}
}
cx.propagate();
}
pub fn handle_input(&mut self, text: &str, cx: &mut ViewContext<Self>) {
let text: Arc<str> = text.into();
if self.read_only {
return;
}
let selections = self.selections.all_adjusted(cx);
let mut brace_inserted = false;
let mut edits = Vec::new();
let mut new_selections = Vec::with_capacity(selections.len());
let mut new_autoclose_regions = Vec::new();
let snapshot = self.buffer.read(cx).read(cx);
for (selection, autoclose_region) in
self.selections_with_autoclose_regions(selections, &snapshot)
{
if let Some(scope) = snapshot.language_scope_at(selection.head()) {
let mut bracket_pair = None;
let mut is_bracket_pair_start = false;
if !text.is_empty() {
for (pair, enabled) in scope.brackets() {
if enabled && pair.close && pair.start.ends_with(text.as_ref()) {
bracket_pair = Some(pair.clone());
is_bracket_pair_start = true;
break;
} else if pair.end.as_str() == text.as_ref() {
bracket_pair = Some(pair.clone());
break;
}
}
}
if let Some(bracket_pair) = bracket_pair {
if selection.is_empty() {
if is_bracket_pair_start {
let prefix_len = bracket_pair.start.len() - text.len();
let following_text_allows_autoclose = snapshot
.chars_at(selection.start)
.next()
.map_or(true, |c| scope.should_autoclose_before(c));
let preceding_text_matches_prefix = prefix_len == 0
|| (selection.start.column >= (prefix_len as u32)
&& snapshot.contains_str_at(
Point::new(
selection.start.row,
selection.start.column - (prefix_len as u32),
),
&bracket_pair.start[..prefix_len],
));
if following_text_allows_autoclose && preceding_text_matches_prefix {
let anchor = snapshot.anchor_before(selection.end);
new_selections.push((selection.map(|_| anchor), text.len()));
new_autoclose_regions.push((
anchor,
text.len(),
selection.id,
bracket_pair.clone(),
));
edits.push((
selection.range(),
format!("{}{}", text, bracket_pair.end).into(),
));
brace_inserted = true;
continue;
}
}
if let Some(region) = autoclose_region {
let should_skip = selection.end == region.range.end.to_point(&snapshot)
&& text.as_ref() == region.pair.end.as_str();
if should_skip {
let anchor = snapshot.anchor_after(selection.end);
new_selections
.push((selection.map(|_| anchor), region.pair.end.len()));
continue;
}
}
}
else if is_bracket_pair_start && bracket_pair.start.chars().count() == 1 {
edits.push((selection.start..selection.start, text.clone()));
edits.push((
selection.end..selection.end,
bracket_pair.end.as_str().into(),
));
brace_inserted = true;
new_selections.push((
Selection {
id: selection.id,
start: snapshot.anchor_after(selection.start),
end: snapshot.anchor_before(selection.end),
reversed: selection.reversed,
goal: selection.goal,
},
0,
));
continue;
}
}
}
let anchor = snapshot.anchor_after(selection.end);
new_selections.push((selection.map(|_| anchor), 0));
edits.push((selection.start..selection.end, text.clone()));
}
drop(snapshot);
self.transact(cx, |this, cx| {
this.buffer.update(cx, |buffer, cx| {
buffer.edit(edits, this.autoindent_mode.clone(), cx);
});
let new_anchor_selections = new_selections.iter().map(|e| &e.0);
let new_selection_deltas = new_selections.iter().map(|e| e.1);
let snapshot = this.buffer.read(cx).read(cx);
let new_selections = resolve_multiple::<usize, _>(new_anchor_selections, &snapshot)
.zip(new_selection_deltas)
.map(|(selection, delta)| Selection {
id: selection.id,
start: selection.start + delta,
end: selection.end + delta,
reversed: selection.reversed,
goal: SelectionGoal::None,
})
.collect::<Vec<_>>();
let mut i = 0;
for (position, delta, selection_id, pair) in new_autoclose_regions {
let position = position.to_offset(&snapshot) + delta;
let start = snapshot.anchor_before(position);
let end = snapshot.anchor_after(position);
while let Some(existing_state) = this.autoclose_regions.get(i) {
match existing_state.range.start.cmp(&start, &snapshot) {
Ordering::Less => i += 1,
Ordering::Greater => break,
Ordering::Equal => match end.cmp(&existing_state.range.end, &snapshot) {
Ordering::Less => i += 1,
Ordering::Equal => break,
Ordering::Greater => break,
},
}
}
this.autoclose_regions.insert(
i,
AutocloseRegion {
selection_id,
range: start..end,
pair,
},
);
}
drop(snapshot);
let had_active_copilot_suggestion = this.has_active_copilot_suggestion(cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
if !brace_inserted && EditorSettings::get_global(cx).use_on_type_format {
if let Some(on_type_format_task) =
this.trigger_on_type_formatting(text.to_string(), cx)
{
on_type_format_task.detach_and_log_err(cx);
}
}
if had_active_copilot_suggestion {
this.refresh_copilot_suggestions(true, cx);
if !this.has_active_copilot_suggestion(cx) {
this.trigger_completion_on_input(&text, cx);
}
} else {
this.trigger_completion_on_input(&text, cx);
this.refresh_copilot_suggestions(true, cx);
}
});
}
pub fn newline(&mut self, _: &Newline, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
let (edits, selection_fixup_info): (Vec<_>, Vec<_>) = {
let selections = this.selections.all::<usize>(cx);
let multi_buffer = this.buffer.read(cx);
let buffer = multi_buffer.snapshot(cx);
selections
.iter()
.map(|selection| {
let start_point = selection.start.to_point(&buffer);
let mut indent = buffer.indent_size_for_line(start_point.row);
indent.len = cmp::min(indent.len, start_point.column);
let start = selection.start;
let end = selection.end;
let is_cursor = start == end;
let language_scope = buffer.language_scope_at(start);
let (comment_delimiter, insert_extra_newline) = if let Some(language) =
&language_scope
{
let leading_whitespace_len = buffer
.reversed_chars_at(start)
.take_while(|c| c.is_whitespace() && *c != '\n')
.map(|c| c.len_utf8())
.sum::<usize>();
let trailing_whitespace_len = buffer
.chars_at(end)
.take_while(|c| c.is_whitespace() && *c != '\n')
.map(|c| c.len_utf8())
.sum::<usize>();
let insert_extra_newline =
language.brackets().any(|(pair, enabled)| {
let pair_start = pair.start.trim_end();
let pair_end = pair.end.trim_start();
enabled
&& pair.newline
&& buffer.contains_str_at(
end + trailing_whitespace_len,
pair_end,
)
&& buffer.contains_str_at(
(start - leading_whitespace_len)
.saturating_sub(pair_start.len()),
pair_start,
)
});
let comment_delimiter = language.line_comment_prefix().filter(|_| {
let is_comment_extension_enabled =
multi_buffer.settings_at(0, cx).extend_comment_on_newline;
is_cursor && is_comment_extension_enabled
});
let comment_delimiter = if let Some(delimiter) = comment_delimiter {
buffer
.buffer_line_for_row(start_point.row)
.is_some_and(|(snapshot, range)| {
let mut index_of_first_non_whitespace = 0;
let line_starts_with_comment = snapshot
.chars_for_range(range)
.skip_while(|c| {
let should_skip = c.is_whitespace();
if should_skip {
index_of_first_non_whitespace += 1;
}
should_skip
})
.take(delimiter.len())
.eq(delimiter.chars());
let cursor_is_placed_after_comment_marker =
index_of_first_non_whitespace + delimiter.len()
<= start_point.column as usize;
line_starts_with_comment
&& cursor_is_placed_after_comment_marker
})
.then(|| delimiter.clone())
} else {
None
};
(comment_delimiter, insert_extra_newline)
} else {
(None, false)
};
let capacity_for_delimiter = comment_delimiter
.as_deref()
.map(str::len)
.unwrap_or_default();
let mut new_text =
String::with_capacity(1 + capacity_for_delimiter + indent.len as usize);
new_text.push_str("\n");
new_text.extend(indent.chars());
if let Some(delimiter) = &comment_delimiter {
new_text.push_str(&delimiter);
}
if insert_extra_newline {
new_text = new_text.repeat(2);
}
let anchor = buffer.anchor_after(end);
let new_selection = selection.map(|_| anchor);
(
(start..end, new_text),
(insert_extra_newline, new_selection),
)
})
.unzip()
};
this.edit_with_autoindent(edits, cx);
let buffer = this.buffer.read(cx).snapshot(cx);
let new_selections = selection_fixup_info
.into_iter()
.map(|(extra_newline_inserted, new_selection)| {
let mut cursor = new_selection.end.to_point(&buffer);
if extra_newline_inserted {
cursor.row -= 1;
cursor.column = buffer.line_len(cursor.row);
}
new_selection.map(|_| cursor)
})
.collect();
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
this.refresh_copilot_suggestions(true, cx);
});
}
pub fn newline_above(&mut self, _: &NewlineAbove, cx: &mut ViewContext<Self>) {
let buffer = self.buffer.read(cx);
let snapshot = buffer.snapshot(cx);
let mut edits = Vec::new();
let mut rows = Vec::new();
let mut rows_inserted = 0;
for selection in self.selections.all_adjusted(cx) {
let cursor = selection.head();
let row = cursor.row;
let start_of_line = snapshot.clip_point(Point::new(row, 0), Bias::Left);
let newline = "\n".to_string();
edits.push((start_of_line..start_of_line, newline));
rows.push(row + rows_inserted);
rows_inserted += 1;
}
self.transact(cx, |editor, cx| {
editor.edit(edits, cx);
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
let mut index = 0;
s.move_cursors_with(|map, _, _| {
let row = rows[index];
index += 1;
let point = Point::new(row, 0);
let boundary = map.next_line_boundary(point).1;
let clipped = map.clip_point(boundary, Bias::Left);
(clipped, SelectionGoal::None)
});
});
let mut indent_edits = Vec::new();
let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
for row in rows {
let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
for (row, indent) in indents {
if indent.len == 0 {
continue;
}
let text = match indent.kind {
IndentKind::Space => " ".repeat(indent.len as usize),
IndentKind::Tab => "\t".repeat(indent.len as usize),
};
let point = Point::new(row, 0);
indent_edits.push((point..point, text));
}
}
editor.edit(indent_edits, cx);
});
}
pub fn newline_below(&mut self, _: &NewlineBelow, cx: &mut ViewContext<Self>) {
let buffer = self.buffer.read(cx);
let snapshot = buffer.snapshot(cx);
let mut edits = Vec::new();
let mut rows = Vec::new();
let mut rows_inserted = 0;
for selection in self.selections.all_adjusted(cx) {
let cursor = selection.head();
let row = cursor.row;
let point = Point::new(row + 1, 0);
let start_of_line = snapshot.clip_point(point, Bias::Left);
let newline = "\n".to_string();
edits.push((start_of_line..start_of_line, newline));
rows_inserted += 1;
rows.push(row + rows_inserted);
}
self.transact(cx, |editor, cx| {
editor.edit(edits, cx);
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
let mut index = 0;
s.move_cursors_with(|map, _, _| {
let row = rows[index];
index += 1;
let point = Point::new(row, 0);
let boundary = map.next_line_boundary(point).1;
let clipped = map.clip_point(boundary, Bias::Left);
(clipped, SelectionGoal::None)
});
});
let mut indent_edits = Vec::new();
let multibuffer_snapshot = editor.buffer.read(cx).snapshot(cx);
for row in rows {
let indents = multibuffer_snapshot.suggested_indents(row..row + 1, cx);
for (row, indent) in indents {
if indent.len == 0 {
continue;
}
let text = match indent.kind {
IndentKind::Space => " ".repeat(indent.len as usize),
IndentKind::Tab => "\t".repeat(indent.len as usize),
};
let point = Point::new(row, 0);
indent_edits.push((point..point, text));
}
}
editor.edit(indent_edits, cx);
});
}
pub fn insert(&mut self, text: &str, cx: &mut ViewContext<Self>) {
self.insert_with_autoindent_mode(
text,
Some(AutoindentMode::Block {
original_indent_columns: Vec::new(),
}),
cx,
);
}
fn insert_with_autoindent_mode(
&mut self,
text: &str,
autoindent_mode: Option<AutoindentMode>,
cx: &mut ViewContext<Self>,
) {
if self.read_only {
return;
}
let text: Arc<str> = text.into();
self.transact(cx, |this, cx| {
let old_selections = this.selections.all_adjusted(cx);
let selection_anchors = this.buffer.update(cx, |buffer, cx| {
let anchors = {
let snapshot = buffer.read(cx);
old_selections
.iter()
.map(|s| {
let anchor = snapshot.anchor_after(s.head());
s.map(|_| anchor)
})
.collect::<Vec<_>>()
};
buffer.edit(
old_selections
.iter()
.map(|s| (s.start..s.end, text.clone())),
autoindent_mode,
cx,
);
anchors
});
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_anchors(selection_anchors);
})
});
}
fn trigger_completion_on_input(&mut self, text: &str, cx: &mut ViewContext<Self>) {
if !EditorSettings::get_global(cx).show_completions_on_input {
return;
}
let selection = self.selections.newest_anchor();
if self
.buffer
.read(cx)
.is_completion_trigger(selection.head(), text, cx)
{
self.show_completions(&ShowCompletions, cx);
} else {
self.hide_context_menu(cx);
}
}
fn select_autoclose_pair(&mut self, cx: &mut ViewContext<Self>) {
let selections = self.selections.all::<usize>(cx);
let buffer = self.buffer.read(cx).read(cx);
let mut new_selections = Vec::new();
for (mut selection, region) in self.selections_with_autoclose_regions(selections, &buffer) {
if let (Some(region), true) = (region, selection.is_empty()) {
let mut range = region.range.to_offset(&buffer);
if selection.start == range.start {
if range.start >= region.pair.start.len() {
range.start -= region.pair.start.len();
if buffer.contains_str_at(range.start, ®ion.pair.start) {
if buffer.contains_str_at(range.end, ®ion.pair.end) {
range.end += region.pair.end.len();
selection.start = range.start;
selection.end = range.end;
}
}
}
}
}
new_selections.push(selection);
}
drop(buffer);
self.change_selections(None, cx, |selections| selections.select(new_selections));
}
fn selections_with_autoclose_regions<'a, D: ToOffset + Clone>(
&'a self,
selections: impl IntoIterator<Item = Selection<D>>,
buffer: &'a MultiBufferSnapshot,
) -> impl Iterator<Item = (Selection<D>, Option<&'a AutocloseRegion>)> {
let mut i = 0;
let mut regions = self.autoclose_regions.as_slice();
selections.into_iter().map(move |selection| {
let range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
let mut enclosing = None;
while let Some(pair_state) = regions.get(i) {
if pair_state.range.end.to_offset(buffer) < range.start {
regions = ®ions[i + 1..];
i = 0;
} else if pair_state.range.start.to_offset(buffer) > range.end {
break;
} else {
if pair_state.selection_id == selection.id {
enclosing = Some(pair_state);
}
i += 1;
}
}
(selection.clone(), enclosing)
})
}
fn invalidate_autoclose_regions(
&mut self,
mut selections: &[Selection<Anchor>],
buffer: &MultiBufferSnapshot,
) {
self.autoclose_regions.retain(|state| {
let mut i = 0;
while let Some(selection) = selections.get(i) {
if selection.end.cmp(&state.range.start, buffer).is_lt() {
selections = &selections[1..];
continue;
}
if selection.start.cmp(&state.range.end, buffer).is_gt() {
break;
}
if selection.id == state.selection_id {
return true;
} else {
i += 1;
}
}
false
});
}
fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
let offset = position.to_offset(buffer);
let (word_range, kind) = buffer.surrounding_word(offset);
if offset > word_range.start && kind == Some(CharKind::Word) {
Some(
buffer
.text_for_range(word_range.start..offset)
.collect::<String>(),
)
} else {
None
}
}
pub fn toggle_inlay_hints(&mut self, _: &ToggleInlayHints, cx: &mut ViewContext<Self>) {
self.refresh_inlay_hints(
InlayHintRefreshReason::Toggle(!self.inlay_hint_cache.enabled),
cx,
);
}
pub fn inlay_hints_enabled(&self) -> bool {
self.inlay_hint_cache.enabled
}
fn refresh_inlay_hints(&mut self, reason: InlayHintRefreshReason, cx: &mut ViewContext<Self>) {
if self.project.is_none() || self.mode != EditorMode::Full {
return;
}
let reason_description = reason.description();
let (invalidate_cache, required_languages) = match reason {
InlayHintRefreshReason::Toggle(enabled) => {
self.inlay_hint_cache.enabled = enabled;
if enabled {
(InvalidationStrategy::RefreshRequested, None)
} else {
self.inlay_hint_cache.clear();
self.splice_inlay_hints(
self.visible_inlay_hints(cx)
.iter()
.map(|inlay| inlay.id)
.collect(),
Vec::new(),
cx,
);
return;
}
}
InlayHintRefreshReason::SettingsChange(new_settings) => {
match self.inlay_hint_cache.update_settings(
&self.buffer,
new_settings,
self.visible_inlay_hints(cx),
cx,
) {
ControlFlow::Break(Some(InlaySplice {
to_remove,
to_insert,
})) => {
self.splice_inlay_hints(to_remove, to_insert, cx);
return;
}
ControlFlow::Break(None) => return,
ControlFlow::Continue(()) => (InvalidationStrategy::RefreshRequested, None),
}
}
InlayHintRefreshReason::ExcerptsRemoved(excerpts_removed) => {
if let Some(InlaySplice {
to_remove,
to_insert,
}) = self.inlay_hint_cache.remove_excerpts(excerpts_removed)
{
self.splice_inlay_hints(to_remove, to_insert, cx);
}
return;
}
InlayHintRefreshReason::NewLinesShown => (InvalidationStrategy::None, None),
InlayHintRefreshReason::BufferEdited(buffer_languages) => {
(InvalidationStrategy::BufferEdited, Some(buffer_languages))
}
InlayHintRefreshReason::RefreshRequested => {
(InvalidationStrategy::RefreshRequested, None)
}
};
if let Some(InlaySplice {
to_remove,
to_insert,
}) = self.inlay_hint_cache.spawn_hint_refresh(
reason_description,
self.excerpt_visible_offsets(required_languages.as_ref(), cx),
invalidate_cache,
cx,
) {
self.splice_inlay_hints(to_remove, to_insert, cx);
}
}
fn visible_inlay_hints(&self, cx: &ViewContext<'_, Editor>) -> Vec<Inlay> {
self.display_map
.read(cx)
.current_inlays()
.filter(move |inlay| {
Some(inlay.id) != self.copilot_state.suggestion.as_ref().map(|h| h.id)
})
.cloned()
.collect()
}
pub fn excerpt_visible_offsets(
&self,
restrict_to_languages: Option<&HashSet<Arc<Language>>>,
cx: &mut ViewContext<Editor>,
) -> HashMap<ExcerptId, (Model<Buffer>, clock::Global, Range<usize>)> {
let multi_buffer = self.buffer().read(cx);
let multi_buffer_snapshot = multi_buffer.snapshot(cx);
let multi_buffer_visible_start = self
.scroll_manager
.anchor()
.anchor
.to_point(&multi_buffer_snapshot);
let multi_buffer_visible_end = multi_buffer_snapshot.clip_point(
multi_buffer_visible_start
+ Point::new(self.visible_line_count().unwrap_or(0.).ceil() as u32, 0),
Bias::Left,
);
let multi_buffer_visible_range = multi_buffer_visible_start..multi_buffer_visible_end;
multi_buffer
.range_to_buffer_ranges(multi_buffer_visible_range, cx)
.into_iter()
.filter(|(_, excerpt_visible_range, _)| !excerpt_visible_range.is_empty())
.filter_map(|(buffer_handle, excerpt_visible_range, excerpt_id)| {
let buffer = buffer_handle.read(cx);
let language = buffer.language()?;
if let Some(restrict_to_languages) = restrict_to_languages {
if !restrict_to_languages.contains(language) {
return None;
}
}
Some((
excerpt_id,
(
buffer_handle,
buffer.version().clone(),
excerpt_visible_range,
),
))
})
.collect()
}
pub fn text_layout_details(&self, cx: &WindowContext) -> TextLayoutDetails {
TextLayoutDetails {
text_system: cx.text_system().clone(),
editor_style: self.style.clone().unwrap(),
rem_size: cx.rem_size(),
}
}
fn splice_inlay_hints(
&self,
to_remove: Vec<InlayId>,
to_insert: Vec<Inlay>,
cx: &mut ViewContext<Self>,
) {
self.display_map.update(cx, |display_map, cx| {
display_map.splice_inlays(to_remove, to_insert, cx);
});
cx.notify();
}
fn trigger_on_type_formatting(
&self,
input: String,
cx: &mut ViewContext<Self>,
) -> Option<Task<Result<()>>> {
if input.len() != 1 {
return None;
}
let project = self.project.as_ref()?;
let position = self.selections.newest_anchor().head();
let (buffer, buffer_position) = self
.buffer
.read(cx)
.text_anchor_for_position(position.clone(), cx)?;
let push_to_lsp_host_history = true;
let push_to_client_history = project.read(cx).is_remote();
let on_type_formatting = project.update(cx, |project, cx| {
project.on_type_format(
buffer.clone(),
buffer_position,
input,
push_to_lsp_host_history,
cx,
)
});
Some(cx.spawn(|editor, mut cx| async move {
if let Some(transaction) = on_type_formatting.await? {
if push_to_client_history {
buffer.update(&mut cx, |buffer, _| {
buffer.push_transaction(transaction, Instant::now());
});
}
editor.update(&mut cx, |editor, cx| {
editor.refresh_document_highlights(cx);
})?;
}
Ok(())
}))
}
fn show_completions(&mut self, _: &ShowCompletions, cx: &mut ViewContext<Self>) {
if self.pending_rename.is_some() {
return;
}
let project = if let Some(project) = self.project.clone() {
project
} else {
return;
};
let position = self.selections.newest_anchor().head();
let (buffer, buffer_position) = if let Some(output) = self
.buffer
.read(cx)
.text_anchor_for_position(position.clone(), cx)
{
output
} else {
return;
};
let query = Self::completion_query(&self.buffer.read(cx).read(cx), position.clone());
let completions = project.update(cx, |project, cx| {
project.completions(&buffer, buffer_position, cx)
});
let id = post_inc(&mut self.next_completion_id);
let task = cx.spawn(|this, mut cx| {
async move {
let menu = if let Some(completions) = completions.await.log_err() {
let mut menu = CompletionsMenu {
id,
initial_position: position,
match_candidates: completions
.iter()
.enumerate()
.map(|(id, completion)| {
StringMatchCandidate::new(
id,
completion.label.text[completion.label.filter_range.clone()]
.into(),
)
})
.collect(),
buffer,
completions: Arc::new(RwLock::new(completions.into())),
matches: Vec::new().into(),
selected_item: 0,
scroll_handle: UniformListScrollHandle::new(),
};
menu.filter(query.as_deref(), cx.background_executor().clone())
.await;
if menu.matches.is_empty() {
None
} else {
_ = this.update(&mut cx, |editor, cx| {
menu.pre_resolve_completion_documentation(editor.project.clone(), cx);
});
Some(menu)
}
} else {
None
};
this.update(&mut cx, |this, cx| {
this.completion_tasks.retain(|(task_id, _)| *task_id > id);
let mut context_menu = this.context_menu.write();
match context_menu.as_ref() {
None => {}
Some(ContextMenu::Completions(prev_menu)) => {
if prev_menu.id > id {
return;
}
}
_ => return,
}
if this.focus_handle.is_focused(cx) && menu.is_some() {
let menu = menu.unwrap();
*context_menu = Some(ContextMenu::Completions(menu));
drop(context_menu);
this.discard_copilot_suggestion(cx);
cx.notify();
} else if this.completion_tasks.is_empty() {
drop(context_menu);
if this.hide_context_menu(cx).is_none() {
this.update_visible_copilot_suggestion(cx);
}
}
})?;
Ok::<_, anyhow::Error>(())
}
.log_err()
});
self.completion_tasks.push((id, task));
}
pub fn toggle_code_actions(&mut self, action: &ToggleCodeActions, cx: &mut ViewContext<Self>) {
let mut context_menu = self.context_menu.write();
if matches!(context_menu.as_ref(), Some(ContextMenu::CodeActions(_))) {
*context_menu = None;
cx.notify();
return;
}
drop(context_menu);
let deployed_from_indicator = action.deployed_from_indicator;
let mut task = self.code_actions_task.take();
cx.spawn(|this, mut cx| async move {
while let Some(prev_task) = task {
prev_task.await;
task = this.update(&mut cx, |this, _| this.code_actions_task.take())?;
}
this.update(&mut cx, |this, cx| {
if this.focus_handle.is_focused(cx) {
if let Some((buffer, actions)) = this.available_code_actions.clone() {
this.completion_tasks.clear();
this.discard_copilot_suggestion(cx);
*this.context_menu.write() =
Some(ContextMenu::CodeActions(CodeActionsMenu {
buffer,
actions,
selected_item: Default::default(),
scroll_handle: UniformListScrollHandle::default(),
deployed_from_indicator,
}));
cx.notify();
}
}
})?;
Ok::<_, anyhow::Error>(())
})
.detach_and_log_err(cx);
}
pub fn confirm_code_action(
&mut self,
action: &ConfirmCodeAction,
cx: &mut ViewContext<Self>,
) -> Option<Task<Result<()>>> {
let actions_menu = if let ContextMenu::CodeActions(menu) = self.hide_context_menu(cx)? {
menu
} else {
return None;
};
let action_ix = action.item_ix.unwrap_or(actions_menu.selected_item);
let action = actions_menu.actions.get(action_ix)?.clone();
let title = action.lsp_action.title.clone();
let buffer = actions_menu.buffer;
let workspace = self.workspace()?;
let apply_code_actions = workspace
.read(cx)
.project()
.clone()
.update(cx, |project, cx| {
project.apply_code_action(buffer, action, true, cx)
});
let workspace = workspace.downgrade();
Some(cx.spawn(|editor, cx| async move {
let project_transaction = apply_code_actions.await?;
Self::open_project_transaction(&editor, workspace, project_transaction, title, cx).await
}))
}
async fn open_project_transaction(
this: &WeakView<Editor>,
workspace: WeakView<Workspace>,
transaction: ProjectTransaction,
title: String,
mut cx: AsyncWindowContext,
) -> Result<()> {
let replica_id = this.update(&mut cx, |this, cx| this.replica_id(cx))?;
let mut entries = transaction.0.into_iter().collect::<Vec<_>>();
cx.update(|_, cx| {
entries.sort_unstable_by_key(|(buffer, _)| {
buffer.read(cx).file().map(|f| f.path().clone())
});
})?;
if let Some((buffer, transaction)) = entries.first() {
if entries.len() == 1 {
let excerpt = this.update(&mut cx, |editor, cx| {
editor
.buffer()
.read(cx)
.excerpt_containing(editor.selections.newest_anchor().head(), cx)
})?;
if let Some((_, excerpted_buffer, excerpt_range)) = excerpt {
if excerpted_buffer == *buffer {
let all_edits_within_excerpt = buffer.read_with(&cx, |buffer, _| {
let excerpt_range = excerpt_range.to_offset(buffer);
buffer
.edited_ranges_for_transaction::<usize>(transaction)
.all(|range| {
excerpt_range.start <= range.start
&& excerpt_range.end >= range.end
})
})?;
if all_edits_within_excerpt {
return Ok(());
}
}
}
}
} else {
return Ok(());
}
let mut ranges_to_highlight = Vec::new();
let excerpt_buffer = cx.build_model(|cx| {
let mut multibuffer = MultiBuffer::new(replica_id).with_title(title);
for (buffer_handle, transaction) in &entries {
let buffer = buffer_handle.read(cx);
ranges_to_highlight.extend(
multibuffer.push_excerpts_with_context_lines(
buffer_handle.clone(),
buffer
.edited_ranges_for_transaction::<usize>(transaction)
.collect(),
1,
cx,
),
);
}
multibuffer.push_transaction(entries.iter().map(|(b, t)| (b, t)), cx);
multibuffer
})?;
workspace.update(&mut cx, |workspace, cx| {
let project = workspace.project().clone();
let editor =
cx.build_view(|cx| Editor::for_multibuffer(excerpt_buffer, Some(project), cx));
workspace.add_item(Box::new(editor.clone()), cx);
editor.update(cx, |editor, cx| {
editor.highlight_background::<Self>(
ranges_to_highlight,
|theme| theme.editor_highlighted_line_background,
cx,
);
});
})?;
Ok(())
}
fn refresh_code_actions(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
let project = self.project.clone()?;
let buffer = self.buffer.read(cx);
let newest_selection = self.selections.newest_anchor().clone();
let (start_buffer, start) = buffer.text_anchor_for_position(newest_selection.start, cx)?;
let (end_buffer, end) = buffer.text_anchor_for_position(newest_selection.end, cx)?;
if start_buffer != end_buffer {
return None;
}
self.code_actions_task = Some(cx.spawn(|this, mut cx| async move {
cx.background_executor()
.timer(CODE_ACTIONS_DEBOUNCE_TIMEOUT)
.await;
let actions = if let Ok(code_actions) = project.update(&mut cx, |project, cx| {
project.code_actions(&start_buffer, start..end, cx)
}) {
code_actions.await.log_err()
} else {
None
};
this.update(&mut cx, |this, cx| {
this.available_code_actions = actions.and_then(|actions| {
if actions.is_empty() {
None
} else {
Some((start_buffer, actions.into()))
}
});
cx.notify();
})
.log_err();
}));
None
}
fn refresh_document_highlights(&mut self, cx: &mut ViewContext<Self>) -> Option<()> {
if self.pending_rename.is_some() {
return None;
}
let project = self.project.clone()?;
let buffer = self.buffer.read(cx);
let newest_selection = self.selections.newest_anchor().clone();
let cursor_position = newest_selection.head();
let (cursor_buffer, cursor_buffer_position) =
buffer.text_anchor_for_position(cursor_position.clone(), cx)?;
let (tail_buffer, _) = buffer.text_anchor_for_position(newest_selection.tail(), cx)?;
if cursor_buffer != tail_buffer {
return None;
}
self.document_highlights_task = Some(cx.spawn(|this, mut cx| async move {
cx.background_executor()
.timer(DOCUMENT_HIGHLIGHTS_DEBOUNCE_TIMEOUT)
.await;
let highlights = if let Some(highlights) = project
.update(&mut cx, |project, cx| {
project.document_highlights(&cursor_buffer, cursor_buffer_position, cx)
})
.log_err()
{
highlights.await.log_err()
} else {
None
};
if let Some(highlights) = highlights {
this.update(&mut cx, |this, cx| {
if this.pending_rename.is_some() {
return;
}
let buffer_id = cursor_position.buffer_id;
let buffer = this.buffer.read(cx);
if !buffer
.text_anchor_for_position(cursor_position, cx)
.map_or(false, |(buffer, _)| buffer == cursor_buffer)
{
return;
}
let cursor_buffer_snapshot = cursor_buffer.read(cx);
let mut write_ranges = Vec::new();
let mut read_ranges = Vec::new();
for highlight in highlights {
for (excerpt_id, excerpt_range) in
buffer.excerpts_for_buffer(&cursor_buffer, cx)
{
let start = highlight
.range
.start
.max(&excerpt_range.context.start, cursor_buffer_snapshot);
let end = highlight
.range
.end
.min(&excerpt_range.context.end, cursor_buffer_snapshot);
if start.cmp(&end, cursor_buffer_snapshot).is_ge() {
continue;
}
let range = Anchor {
buffer_id,
excerpt_id: excerpt_id.clone(),
text_anchor: start,
}..Anchor {
buffer_id,
excerpt_id,
text_anchor: end,
};
if highlight.kind == lsp::DocumentHighlightKind::WRITE {
write_ranges.push(range);
} else {
read_ranges.push(range);
}
}
}
this.highlight_background::<DocumentHighlightRead>(
read_ranges,
|theme| theme.editor_document_highlight_read_background,
cx,
);
this.highlight_background::<DocumentHighlightWrite>(
write_ranges,
|theme| theme.editor_document_highlight_write_background,
cx,
);
cx.notify();
})
.log_err();
}
}));
None
}
fn refresh_copilot_suggestions(
&mut self,
debounce: bool,
cx: &mut ViewContext<Self>,
) -> Option<()> {
let copilot = Copilot::global(cx)?;
if self.mode != EditorMode::Full || !copilot.read(cx).status().is_authorized() {
self.clear_copilot_suggestions(cx);
return None;
}
self.update_visible_copilot_suggestion(cx);
let snapshot = self.buffer.read(cx).snapshot(cx);
let cursor = self.selections.newest_anchor().head();
if !self.is_copilot_enabled_at(cursor, &snapshot, cx) {
self.clear_copilot_suggestions(cx);
return None;
}
let (buffer, buffer_position) =
self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
self.copilot_state.pending_refresh = cx.spawn(|this, mut cx| async move {
if debounce {
cx.background_executor()
.timer(COPILOT_DEBOUNCE_TIMEOUT)
.await;
}
let completions = copilot
.update(&mut cx, |copilot, cx| {
copilot.completions(&buffer, buffer_position, cx)
})
.log_err()
.unwrap_or(Task::ready(Ok(Vec::new())))
.await
.log_err()
.into_iter()
.flatten()
.collect_vec();
this.update(&mut cx, |this, cx| {
if !completions.is_empty() {
this.copilot_state.cycled = false;
this.copilot_state.pending_cycling_refresh = Task::ready(None);
this.copilot_state.completions.clear();
this.copilot_state.active_completion_index = 0;
this.copilot_state.excerpt_id = Some(cursor.excerpt_id);
for completion in completions {
this.copilot_state.push_completion(completion);
}
this.update_visible_copilot_suggestion(cx);
}
})
.log_err()?;
Some(())
});
Some(())
}
fn cycle_copilot_suggestions(
&mut self,
direction: Direction,
cx: &mut ViewContext<Self>,
) -> Option<()> {
let copilot = Copilot::global(cx)?;
if self.mode != EditorMode::Full || !copilot.read(cx).status().is_authorized() {
return None;
}
if self.copilot_state.cycled {
self.copilot_state.cycle_completions(direction);
self.update_visible_copilot_suggestion(cx);
} else {
let cursor = self.selections.newest_anchor().head();
let (buffer, buffer_position) =
self.buffer.read(cx).text_anchor_for_position(cursor, cx)?;
self.copilot_state.pending_cycling_refresh = cx.spawn(|this, mut cx| async move {
let completions = copilot
.update(&mut cx, |copilot, cx| {
copilot.completions_cycling(&buffer, buffer_position, cx)
})
.log_err()?
.await;
this.update(&mut cx, |this, cx| {
this.copilot_state.cycled = true;
for completion in completions.log_err().into_iter().flatten() {
this.copilot_state.push_completion(completion);
}
this.copilot_state.cycle_completions(direction);
this.update_visible_copilot_suggestion(cx);
})
.log_err()?;
Some(())
});
}
Some(())
}
fn copilot_suggest(&mut self, _: &copilot::Suggest, cx: &mut ViewContext<Self>) {
if !self.has_active_copilot_suggestion(cx) {
self.refresh_copilot_suggestions(false, cx);
return;
}
self.update_visible_copilot_suggestion(cx);
}
fn next_copilot_suggestion(&mut self, _: &copilot::NextSuggestion, cx: &mut ViewContext<Self>) {
if self.has_active_copilot_suggestion(cx) {
self.cycle_copilot_suggestions(Direction::Next, cx);
} else {
let is_copilot_disabled = self.refresh_copilot_suggestions(false, cx).is_none();
if is_copilot_disabled {
cx.propagate();
}
}
}
fn previous_copilot_suggestion(
&mut self,
_: &copilot::PreviousSuggestion,
cx: &mut ViewContext<Self>,
) {
if self.has_active_copilot_suggestion(cx) {
self.cycle_copilot_suggestions(Direction::Prev, cx);
} else {
let is_copilot_disabled = self.refresh_copilot_suggestions(false, cx).is_none();
if is_copilot_disabled {
cx.propagate();
}
}
}
fn accept_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> bool {
if let Some(suggestion) = self.take_active_copilot_suggestion(cx) {
if let Some((copilot, completion)) =
Copilot::global(cx).zip(self.copilot_state.active_completion())
{
copilot
.update(cx, |copilot, cx| copilot.accept_completion(completion, cx))
.detach_and_log_err(cx);
self.report_copilot_event(Some(completion.uuid.clone()), true, cx)
}
cx.emit(EditorEvent::InputHandled {
utf16_range_to_replace: None,
text: suggestion.text.to_string().into(),
});
self.insert_with_autoindent_mode(&suggestion.text.to_string(), None, cx);
cx.notify();
true
} else {
false
}
}
fn discard_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> bool {
if let Some(suggestion) = self.take_active_copilot_suggestion(cx) {
if let Some(copilot) = Copilot::global(cx) {
copilot
.update(cx, |copilot, cx| {
copilot.discard_completions(&self.copilot_state.completions, cx)
})
.detach_and_log_err(cx);
self.report_copilot_event(None, false, cx)
}
self.display_map.update(cx, |map, cx| {
map.splice_inlays(vec![suggestion.id], Vec::new(), cx)
});
cx.notify();
true
} else {
false
}
}
fn is_copilot_enabled_at(
&self,
location: Anchor,
snapshot: &MultiBufferSnapshot,
cx: &mut ViewContext<Self>,
) -> bool {
let file = snapshot.file_at(location);
let language = snapshot.language_at(location);
let settings = all_language_settings(file, cx);
settings.copilot_enabled(language, file.map(|f| f.path().as_ref()))
}
fn has_active_copilot_suggestion(&self, cx: &AppContext) -> bool {
if let Some(suggestion) = self.copilot_state.suggestion.as_ref() {
let buffer = self.buffer.read(cx).read(cx);
suggestion.position.is_valid(&buffer)
} else {
false
}
}
fn take_active_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> Option<Inlay> {
let suggestion = self.copilot_state.suggestion.take()?;
self.display_map.update(cx, |map, cx| {
map.splice_inlays(vec![suggestion.id], Default::default(), cx);
});
let buffer = self.buffer.read(cx).read(cx);
if suggestion.position.is_valid(&buffer) {
Some(suggestion)
} else {
None
}
}
fn update_visible_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) {
let snapshot = self.buffer.read(cx).snapshot(cx);
let selection = self.selections.newest_anchor();
let cursor = selection.head();
if self.context_menu.read().is_some()
|| !self.completion_tasks.is_empty()
|| selection.start != selection.end
{
self.discard_copilot_suggestion(cx);
} else if let Some(text) = self
.copilot_state
.text_for_active_completion(cursor, &snapshot)
{
let text = Rope::from(text);
let mut to_remove = Vec::new();
if let Some(suggestion) = self.copilot_state.suggestion.take() {
to_remove.push(suggestion.id);
}
let suggestion_inlay =
Inlay::suggestion(post_inc(&mut self.next_inlay_id), cursor, text);
self.copilot_state.suggestion = Some(suggestion_inlay.clone());
self.display_map.update(cx, move |map, cx| {
map.splice_inlays(to_remove, vec![suggestion_inlay], cx)
});
cx.notify();
} else {
self.discard_copilot_suggestion(cx);
}
}
fn clear_copilot_suggestions(&mut self, cx: &mut ViewContext<Self>) {
self.copilot_state = Default::default();
self.discard_copilot_suggestion(cx);
}
pub fn render_code_actions_indicator(
&self,
style: &EditorStyle,
is_active: bool,
cx: &mut ViewContext<Self>,
) -> Option<IconButton> {
if self.available_code_actions.is_some() {
Some(
IconButton::new("code_actions_indicator", ui::Icon::Bolt).on_click(cx.listener(
|editor, e, cx| {
editor.toggle_code_actions(
&ToggleCodeActions {
deployed_from_indicator: true,
},
cx,
);
},
)),
)
} else {
None
}
}
pub fn render_fold_indicators(
&self,
fold_data: Vec<Option<(FoldStatus, u32, bool)>>,
style: &EditorStyle,
gutter_hovered: bool,
line_height: Pixels,
gutter_margin: Pixels,
cx: &mut ViewContext<Self>,
) -> Vec<Option<IconButton>> {
fold_data
.iter()
.enumerate()
.map(|(ix, fold_data)| {
fold_data
.map(|(fold_status, buffer_row, active)| {
(active || gutter_hovered || fold_status == FoldStatus::Folded).then(|| {
let icon = match fold_status {
FoldStatus::Folded => ui::Icon::ChevronRight,
FoldStatus::Foldable => ui::Icon::ChevronDown,
};
IconButton::new(ix as usize, icon)
.on_click(cx.listener(move |editor, e, cx| match fold_status {
FoldStatus::Folded => {
editor.unfold_at(&UnfoldAt { buffer_row }, cx);
}
FoldStatus::Foldable => {
editor.fold_at(&FoldAt { buffer_row }, cx);
}
}))
.color(ui::Color::Muted)
})
})
.flatten()
})
.collect()
}
pub fn context_menu_visible(&self) -> bool {
self.context_menu
.read()
.as_ref()
.map_or(false, |menu| menu.visible())
}
pub fn render_context_menu(
&self,
cursor_position: DisplayPoint,
style: &EditorStyle,
cx: &mut ViewContext<Editor>,
) -> Option<(DisplayPoint, AnyElement)> {
self.context_menu.read().as_ref().map(|menu| {
menu.render(
cursor_position,
style,
self.workspace.as_ref().map(|(w, _)| w.clone()),
cx,
)
})
}
fn hide_context_menu(&mut self, cx: &mut ViewContext<Self>) -> Option<ContextMenu> {
cx.notify();
self.completion_tasks.clear();
let context_menu = self.context_menu.write().take();
if context_menu.is_some() {
self.update_visible_copilot_suggestion(cx);
}
context_menu
}
pub fn insert_snippet(
&mut self,
insertion_ranges: &[Range<usize>],
snippet: Snippet,
cx: &mut ViewContext<Self>,
) -> Result<()> {
let tabstops = self.buffer.update(cx, |buffer, cx| {
let snippet_text: Arc<str> = snippet.text.clone().into();
buffer.edit(
insertion_ranges
.iter()
.cloned()
.map(|range| (range, snippet_text.clone())),
Some(AutoindentMode::EachLine),
cx,
);
let snapshot = &*buffer.read(cx);
let snippet = &snippet;
snippet
.tabstops
.iter()
.map(|tabstop| {
let mut tabstop_ranges = tabstop
.iter()
.flat_map(|tabstop_range| {
let mut delta = 0_isize;
insertion_ranges.iter().map(move |insertion_range| {
let insertion_start = insertion_range.start as isize + delta;
delta +=
snippet.text.len() as isize - insertion_range.len() as isize;
let start = snapshot.anchor_before(
(insertion_start + tabstop_range.start) as usize,
);
let end = snapshot
.anchor_after((insertion_start + tabstop_range.end) as usize);
start..end
})
})
.collect::<Vec<_>>();
tabstop_ranges.sort_unstable_by(|a, b| a.start.cmp(&b.start, snapshot));
tabstop_ranges
})
.collect::<Vec<_>>()
});
if let Some(tabstop) = tabstops.first() {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(tabstop.iter().cloned());
});
self.snippet_stack.push(SnippetState {
active_index: 0,
ranges: tabstops,
});
}
Ok(())
}
pub fn move_to_next_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
self.move_to_snippet_tabstop(Bias::Right, cx)
}
pub fn move_to_prev_snippet_tabstop(&mut self, cx: &mut ViewContext<Self>) -> bool {
self.move_to_snippet_tabstop(Bias::Left, cx)
}
pub fn move_to_snippet_tabstop(&mut self, bias: Bias, cx: &mut ViewContext<Self>) -> bool {
if let Some(mut snippet) = self.snippet_stack.pop() {
match bias {
Bias::Left => {
if snippet.active_index > 0 {
snippet.active_index -= 1;
} else {
self.snippet_stack.push(snippet);
return false;
}
}
Bias::Right => {
if snippet.active_index + 1 < snippet.ranges.len() {
snippet.active_index += 1;
} else {
self.snippet_stack.push(snippet);
return false;
}
}
}
if let Some(current_ranges) = snippet.ranges.get(snippet.active_index) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_anchor_ranges(current_ranges.iter().cloned())
});
if snippet.active_index + 1 < snippet.ranges.len() {
self.snippet_stack.push(snippet);
}
return true;
}
}
false
}
pub fn clear(&mut self, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.select_all(&SelectAll, cx);
this.insert("", cx);
});
}
pub fn backspace(&mut self, _: &Backspace, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.select_autoclose_pair(cx);
let mut selections = this.selections.all::<Point>(cx);
if !this.selections.line_mode {
let display_map = this.display_map.update(cx, |map, cx| map.snapshot(cx));
for selection in &mut selections {
if selection.is_empty() {
let old_head = selection.head();
let mut new_head =
movement::left(&display_map, old_head.to_display_point(&display_map))
.to_point(&display_map);
if let Some((buffer, line_buffer_range)) = display_map
.buffer_snapshot
.buffer_line_for_row(old_head.row)
{
let indent_size =
buffer.indent_size_for_line(line_buffer_range.start.row);
let indent_len = match indent_size.kind {
IndentKind::Space => {
buffer.settings_at(line_buffer_range.start, cx).tab_size
}
IndentKind::Tab => NonZeroU32::new(1).unwrap(),
};
if old_head.column <= indent_size.len && old_head.column > 0 {
let indent_len = indent_len.get();
new_head = cmp::min(
new_head,
Point::new(
old_head.row,
((old_head.column - 1) / indent_len) * indent_len,
),
);
}
}
selection.set_head(new_head, SelectionGoal::None);
}
}
}
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
this.insert("", cx);
this.refresh_copilot_suggestions(true, cx);
});
}
pub fn delete(&mut self, _: &Delete, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if selection.is_empty() && !line_mode {
let cursor = movement::right(map, selection.head());
selection.end = cursor;
selection.reversed = true;
selection.goal = SelectionGoal::None;
}
})
});
this.insert("", cx);
this.refresh_copilot_suggestions(true, cx);
});
}
pub fn tab_prev(&mut self, _: &TabPrev, cx: &mut ViewContext<Self>) {
if self.move_to_prev_snippet_tabstop(cx) {
return;
}
self.outdent(&Outdent, cx);
}
pub fn tab(&mut self, _: &Tab, cx: &mut ViewContext<Self>) {
if self.move_to_next_snippet_tabstop(cx) {
return;
}
let mut selections = self.selections.all_adjusted(cx);
let buffer = self.buffer.read(cx);
let snapshot = buffer.snapshot(cx);
let rows_iter = selections.iter().map(|s| s.head().row);
let suggested_indents = snapshot.suggested_indents(rows_iter, cx);
let mut edits = Vec::new();
let mut prev_edited_row = 0;
let mut row_delta = 0;
for selection in &mut selections {
if selection.start.row != prev_edited_row {
row_delta = 0;
}
prev_edited_row = selection.end.row;
if !selection.is_empty() {
row_delta =
Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
continue;
}
let cursor = selection.head();
let current_indent = snapshot.indent_size_for_line(cursor.row);
if let Some(suggested_indent) = suggested_indents.get(&cursor.row).copied() {
if cursor.column < suggested_indent.len
&& cursor.column <= current_indent.len
&& current_indent.len <= suggested_indent.len
{
selection.start = Point::new(cursor.row, suggested_indent.len);
selection.end = selection.start;
if row_delta == 0 {
edits.extend(Buffer::edit_for_indent_size_adjustment(
cursor.row,
current_indent,
suggested_indent,
));
row_delta = suggested_indent.len - current_indent.len;
}
continue;
}
}
if self.selections.count() == 1
&& cursor.column >= current_indent.len
&& self.has_active_copilot_suggestion(cx)
{
self.accept_copilot_suggestion(cx);
return;
}
let settings = buffer.settings_at(cursor, cx);
let tab_size = if settings.hard_tabs {
IndentSize::tab()
} else {
let tab_size = settings.tab_size.get();
let char_column = snapshot
.text_for_range(Point::new(cursor.row, 0)..cursor)
.flat_map(str::chars)
.count()
+ row_delta as usize;
let chars_to_next_tab_stop = tab_size - (char_column as u32 % tab_size);
IndentSize::spaces(chars_to_next_tab_stop)
};
selection.start = Point::new(cursor.row, cursor.column + row_delta + tab_size.len);
selection.end = selection.start;
edits.push((cursor..cursor, tab_size.chars().collect::<String>()));
row_delta += tab_size.len;
}
self.transact(cx, |this, cx| {
this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
this.refresh_copilot_suggestions(true, cx);
});
}
pub fn indent(&mut self, _: &Indent, cx: &mut ViewContext<Self>) {
let mut selections = self.selections.all::<Point>(cx);
let mut prev_edited_row = 0;
let mut row_delta = 0;
let mut edits = Vec::new();
let buffer = self.buffer.read(cx);
let snapshot = buffer.snapshot(cx);
for selection in &mut selections {
if selection.start.row != prev_edited_row {
row_delta = 0;
}
prev_edited_row = selection.end.row;
row_delta =
Self::indent_selection(buffer, &snapshot, selection, &mut edits, row_delta, cx);
}
self.transact(cx, |this, cx| {
this.buffer.update(cx, |b, cx| b.edit(edits, None, cx));
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
});
}
fn indent_selection(
buffer: &MultiBuffer,
snapshot: &MultiBufferSnapshot,
selection: &mut Selection<Point>,
edits: &mut Vec<(Range<Point>, String)>,
delta_for_start_row: u32,
cx: &AppContext,
) -> u32 {
let settings = buffer.settings_at(selection.start, cx);
let tab_size = settings.tab_size.get();
let indent_kind = if settings.hard_tabs {
IndentKind::Tab
} else {
IndentKind::Space
};
let mut start_row = selection.start.row;
let mut end_row = selection.end.row + 1;
if selection.end.column == 0 {
end_row -= 1;
}
if delta_for_start_row > 0 {
start_row += 1;
selection.start.column += delta_for_start_row;
if selection.end.row == selection.start.row {
selection.end.column += delta_for_start_row;
}
}
let mut delta_for_end_row = 0;
for row in start_row..end_row {
let current_indent = snapshot.indent_size_for_line(row);
let indent_delta = match (current_indent.kind, indent_kind) {
(IndentKind::Space, IndentKind::Space) => {
let columns_to_next_tab_stop = tab_size - (current_indent.len % tab_size);
IndentSize::spaces(columns_to_next_tab_stop)
}
(IndentKind::Tab, IndentKind::Space) => IndentSize::spaces(tab_size),
(_, IndentKind::Tab) => IndentSize::tab(),
};
let row_start = Point::new(row, 0);
edits.push((
row_start..row_start,
indent_delta.chars().collect::<String>(),
));
if row == selection.start.row {
selection.start.column += indent_delta.len;
}
if row == selection.end.row {
selection.end.column += indent_delta.len;
delta_for_end_row = indent_delta.len;
}
}
if selection.start.row == selection.end.row {
delta_for_start_row + delta_for_end_row
} else {
delta_for_end_row
}
}
pub fn outdent(&mut self, _: &Outdent, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let selections = self.selections.all::<Point>(cx);
let mut deletion_ranges = Vec::new();
let mut last_outdent = None;
{
let buffer = self.buffer.read(cx);
let snapshot = buffer.snapshot(cx);
for selection in &selections {
let settings = buffer.settings_at(selection.start, cx);
let tab_size = settings.tab_size.get();
let mut rows = selection.spanned_rows(false, &display_map);
if let Some(last_row) = last_outdent {
if last_row == rows.start {
rows.start += 1;
}
}
for row in rows {
let indent_size = snapshot.indent_size_for_line(row);
if indent_size.len > 0 {
let deletion_len = match indent_size.kind {
IndentKind::Space => {
let columns_to_prev_tab_stop = indent_size.len % tab_size;
if columns_to_prev_tab_stop == 0 {
tab_size
} else {
columns_to_prev_tab_stop
}
}
IndentKind::Tab => 1,
};
deletion_ranges.push(Point::new(row, 0)..Point::new(row, deletion_len));
last_outdent = Some(row);
}
}
}
}
self.transact(cx, |this, cx| {
this.buffer.update(cx, |buffer, cx| {
let empty_str: Arc<str> = "".into();
buffer.edit(
deletion_ranges
.into_iter()
.map(|range| (range, empty_str.clone())),
None,
cx,
);
});
let selections = this.selections.all::<usize>(cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
});
}
pub fn delete_line(&mut self, _: &DeleteLine, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let selections = self.selections.all::<Point>(cx);
let mut new_cursors = Vec::new();
let mut edit_ranges = Vec::new();
let mut selections = selections.iter().peekable();
while let Some(selection) = selections.next() {
let mut rows = selection.spanned_rows(false, &display_map);
let goal_display_column = selection.head().to_display_point(&display_map).column();
while let Some(next_selection) = selections.peek() {
let next_rows = next_selection.spanned_rows(false, &display_map);
if next_rows.start <= rows.end {
rows.end = next_rows.end;
selections.next().unwrap();
} else {
break;
}
}
let buffer = &display_map.buffer_snapshot;
let mut edit_start = Point::new(rows.start, 0).to_offset(buffer);
let edit_end;
let cursor_buffer_row;
if buffer.max_point().row >= rows.end {
edit_end = Point::new(rows.end, 0).to_offset(buffer);
cursor_buffer_row = rows.end;
} else {
edit_start = edit_start.saturating_sub(1);
edit_end = buffer.len();
cursor_buffer_row = rows.start.saturating_sub(1);
}
let mut cursor = Point::new(cursor_buffer_row, 0).to_display_point(&display_map);
*cursor.column_mut() =
cmp::min(goal_display_column, display_map.line_len(cursor.row()));
new_cursors.push((
selection.id,
buffer.anchor_after(cursor.to_point(&display_map)),
));
edit_ranges.push(edit_start..edit_end);
}
self.transact(cx, |this, cx| {
let buffer = this.buffer.update(cx, |buffer, cx| {
let empty_str: Arc<str> = "".into();
buffer.edit(
edit_ranges
.into_iter()
.map(|range| (range, empty_str.clone())),
None,
cx,
);
buffer.snapshot(cx)
});
let new_selections = new_cursors
.into_iter()
.map(|(id, cursor)| {
let cursor = cursor.to_point(&buffer);
Selection {
id,
start: cursor,
end: cursor,
reversed: false,
goal: SelectionGoal::None,
}
})
.collect();
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
});
});
}
pub fn join_lines(&mut self, _: &JoinLines, cx: &mut ViewContext<Self>) {
let mut row_ranges = Vec::<Range<u32>>::new();
for selection in self.selections.all::<Point>(cx) {
let start = selection.start.row;
let end = if selection.start.row == selection.end.row {
selection.start.row + 1
} else {
selection.end.row
};
if let Some(last_row_range) = row_ranges.last_mut() {
if start <= last_row_range.end {
last_row_range.end = end;
continue;
}
}
row_ranges.push(start..end);
}
let snapshot = self.buffer.read(cx).snapshot(cx);
let mut cursor_positions = Vec::new();
for row_range in &row_ranges {
let anchor = snapshot.anchor_before(Point::new(
row_range.end - 1,
snapshot.line_len(row_range.end - 1),
));
cursor_positions.push(anchor.clone()..anchor);
}
self.transact(cx, |this, cx| {
for row_range in row_ranges.into_iter().rev() {
for row in row_range.rev() {
let end_of_line = Point::new(row, snapshot.line_len(row));
let indent = snapshot.indent_size_for_line(row + 1);
let start_of_next_line = Point::new(row + 1, indent.len);
let replace = if snapshot.line_len(row + 1) > indent.len {
" "
} else {
""
};
this.buffer.update(cx, |buffer, cx| {
buffer.edit([(end_of_line..start_of_next_line, replace)], None, cx)
});
}
}
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_anchor_ranges(cursor_positions)
});
});
}
pub fn sort_lines_case_sensitive(
&mut self,
_: &SortLinesCaseSensitive,
cx: &mut ViewContext<Self>,
) {
self.manipulate_lines(cx, |lines| lines.sort())
}
pub fn sort_lines_case_insensitive(
&mut self,
_: &SortLinesCaseInsensitive,
cx: &mut ViewContext<Self>,
) {
self.manipulate_lines(cx, |lines| lines.sort_by_key(|line| line.to_lowercase()))
}
pub fn reverse_lines(&mut self, _: &ReverseLines, cx: &mut ViewContext<Self>) {
self.manipulate_lines(cx, |lines| lines.reverse())
}
pub fn shuffle_lines(&mut self, _: &ShuffleLines, cx: &mut ViewContext<Self>) {
self.manipulate_lines(cx, |lines| lines.shuffle(&mut thread_rng()))
}
fn manipulate_lines<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
where
Fn: FnMut(&mut [&str]),
{
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = self.buffer.read(cx).snapshot(cx);
let mut edits = Vec::new();
let selections = self.selections.all::<Point>(cx);
let mut selections = selections.iter().peekable();
let mut contiguous_row_selections = Vec::new();
let mut new_selections = Vec::new();
while let Some(selection) = selections.next() {
let (start_row, end_row) = consume_contiguous_rows(
&mut contiguous_row_selections,
selection,
&display_map,
&mut selections,
);
let start_point = Point::new(start_row, 0);
let end_point = Point::new(end_row - 1, buffer.line_len(end_row - 1));
let text = buffer
.text_for_range(start_point..end_point)
.collect::<String>();
let mut lines = text.split("\n").collect_vec();
let lines_len = lines.len();
callback(&mut lines);
debug_assert!(
lines.len() == lines_len,
"callback should not change the number of lines"
);
edits.push((start_point..end_point, lines.join("\n")));
let start_anchor = buffer.anchor_after(start_point);
let end_anchor = buffer.anchor_before(end_point);
new_selections.push(Selection {
id: selection.id,
start: start_anchor.to_offset(&buffer),
end: end_anchor.to_offset(&buffer),
goal: SelectionGoal::None,
reversed: selection.reversed,
});
}
self.transact(cx, |this, cx| {
this.buffer.update(cx, |buffer, cx| {
buffer.edit(edits, None, cx);
});
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
});
this.request_autoscroll(Autoscroll::fit(), cx);
});
}
pub fn convert_to_upper_case(&mut self, _: &ConvertToUpperCase, cx: &mut ViewContext<Self>) {
self.manipulate_text(cx, |text| text.to_uppercase())
}
pub fn convert_to_lower_case(&mut self, _: &ConvertToLowerCase, cx: &mut ViewContext<Self>) {
self.manipulate_text(cx, |text| text.to_lowercase())
}
pub fn convert_to_title_case(&mut self, _: &ConvertToTitleCase, cx: &mut ViewContext<Self>) {
self.manipulate_text(cx, |text| {
text.split("\n")
.map(|line| line.to_case(Case::Title))
.join("\n")
})
}
pub fn convert_to_snake_case(&mut self, _: &ConvertToSnakeCase, cx: &mut ViewContext<Self>) {
self.manipulate_text(cx, |text| text.to_case(Case::Snake))
}
pub fn convert_to_kebab_case(&mut self, _: &ConvertToKebabCase, cx: &mut ViewContext<Self>) {
self.manipulate_text(cx, |text| text.to_case(Case::Kebab))
}
pub fn convert_to_upper_camel_case(
&mut self,
_: &ConvertToUpperCamelCase,
cx: &mut ViewContext<Self>,
) {
self.manipulate_text(cx, |text| {
text.split("\n")
.map(|line| line.to_case(Case::UpperCamel))
.join("\n")
})
}
pub fn convert_to_lower_camel_case(
&mut self,
_: &ConvertToLowerCamelCase,
cx: &mut ViewContext<Self>,
) {
self.manipulate_text(cx, |text| text.to_case(Case::Camel))
}
fn manipulate_text<Fn>(&mut self, cx: &mut ViewContext<Self>, mut callback: Fn)
where
Fn: FnMut(&str) -> String,
{
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = self.buffer.read(cx).snapshot(cx);
let mut new_selections = Vec::new();
let mut edits = Vec::new();
let mut selection_adjustment = 0i32;
for selection in self.selections.all::<usize>(cx) {
let selection_is_empty = selection.is_empty();
let (start, end) = if selection_is_empty {
let word_range = movement::surrounding_word(
&display_map,
selection.start.to_display_point(&display_map),
);
let start = word_range.start.to_offset(&display_map, Bias::Left);
let end = word_range.end.to_offset(&display_map, Bias::Left);
(start, end)
} else {
(selection.start, selection.end)
};
let text = buffer.text_for_range(start..end).collect::<String>();
let old_length = text.len() as i32;
let text = callback(&text);
new_selections.push(Selection {
start: (start as i32 - selection_adjustment) as usize,
end: ((start + text.len()) as i32 - selection_adjustment) as usize,
goal: SelectionGoal::None,
..selection
});
selection_adjustment += old_length - text.len() as i32;
edits.push((start..end, text));
}
self.transact(cx, |this, cx| {
this.buffer.update(cx, |buffer, cx| {
buffer.edit(edits, None, cx);
});
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
});
this.request_autoscroll(Autoscroll::fit(), cx);
});
}
pub fn duplicate_line(&mut self, _: &DuplicateLine, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = &display_map.buffer_snapshot;
let selections = self.selections.all::<Point>(cx);
let mut edits = Vec::new();
let mut selections_iter = selections.iter().peekable();
while let Some(selection) = selections_iter.next() {
let mut rows = selection.spanned_rows(false, &display_map);
while let Some(next_selection) = selections_iter.peek() {
let next_rows = next_selection.spanned_rows(false, &display_map);
if next_rows.start < rows.end {
rows.end = next_rows.end;
selections_iter.next().unwrap();
} else {
break;
}
}
let start = Point::new(rows.start, 0);
let end = Point::new(rows.end - 1, buffer.line_len(rows.end - 1));
let text = buffer
.text_for_range(start..end)
.chain(Some("\n"))
.collect::<String>();
edits.push((start..start, text));
}
self.transact(cx, |this, cx| {
this.buffer.update(cx, |buffer, cx| {
buffer.edit(edits, None, cx);
});
this.request_autoscroll(Autoscroll::fit(), cx);
});
}
pub fn move_line_up(&mut self, _: &MoveLineUp, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = self.buffer.read(cx).snapshot(cx);
let mut edits = Vec::new();
let mut unfold_ranges = Vec::new();
let mut refold_ranges = Vec::new();
let selections = self.selections.all::<Point>(cx);
let mut selections = selections.iter().peekable();
let mut contiguous_row_selections = Vec::new();
let mut new_selections = Vec::new();
while let Some(selection) = selections.next() {
let (start_row, end_row) = consume_contiguous_rows(
&mut contiguous_row_selections,
selection,
&display_map,
&mut selections,
);
if start_row > 0 {
let range_to_move = Point::new(start_row - 1, buffer.line_len(start_row - 1))
..Point::new(end_row - 1, buffer.line_len(end_row - 1));
let insertion_point = display_map
.prev_line_boundary(Point::new(start_row - 1, 0))
.0;
if buffer
.excerpt_boundaries_in_range((
Bound::Excluded(insertion_point),
Bound::Included(range_to_move.end),
))
.next()
.is_none()
{
let text = buffer
.text_for_range(range_to_move.clone())
.flat_map(|s| s.chars())
.skip(1)
.chain(['\n'])
.collect::<String>();
edits.push((
buffer.anchor_after(range_to_move.start)
..buffer.anchor_before(range_to_move.end),
String::new(),
));
let insertion_anchor = buffer.anchor_after(insertion_point);
edits.push((insertion_anchor..insertion_anchor, text));
let row_delta = range_to_move.start.row - insertion_point.row + 1;
new_selections.extend(contiguous_row_selections.drain(..).map(
|mut selection| {
selection.start.row -= row_delta;
selection.end.row -= row_delta;
selection
},
));
unfold_ranges.push(range_to_move.clone());
for fold in display_map.folds_in_range(
buffer.anchor_before(range_to_move.start)
..buffer.anchor_after(range_to_move.end),
) {
let mut start = fold.range.start.to_point(&buffer);
let mut end = fold.range.end.to_point(&buffer);
start.row -= row_delta;
end.row -= row_delta;
refold_ranges.push(start..end);
}
}
}
new_selections.append(&mut contiguous_row_selections);
}
self.transact(cx, |this, cx| {
this.unfold_ranges(unfold_ranges, true, true, cx);
this.buffer.update(cx, |buffer, cx| {
for (range, text) in edits {
buffer.edit([(range, text)], None, cx);
}
});
this.fold_ranges(refold_ranges, true, cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
})
});
}
pub fn move_line_down(&mut self, _: &MoveLineDown, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = self.buffer.read(cx).snapshot(cx);
let mut edits = Vec::new();
let mut unfold_ranges = Vec::new();
let mut refold_ranges = Vec::new();
let selections = self.selections.all::<Point>(cx);
let mut selections = selections.iter().peekable();
let mut contiguous_row_selections = Vec::new();
let mut new_selections = Vec::new();
while let Some(selection) = selections.next() {
let (start_row, end_row) = consume_contiguous_rows(
&mut contiguous_row_selections,
selection,
&display_map,
&mut selections,
);
if end_row <= buffer.max_point().row {
let range_to_move = Point::new(start_row, 0)..Point::new(end_row, 0);
let insertion_point = display_map.next_line_boundary(Point::new(end_row, 0)).0;
if buffer
.excerpt_boundaries_in_range((
Bound::Excluded(range_to_move.start),
Bound::Included(insertion_point),
))
.next()
.is_none()
{
let mut text = String::from("\n");
text.extend(buffer.text_for_range(range_to_move.clone()));
text.pop(); edits.push((
buffer.anchor_after(range_to_move.start)
..buffer.anchor_before(range_to_move.end),
String::new(),
));
let insertion_anchor = buffer.anchor_after(insertion_point);
edits.push((insertion_anchor..insertion_anchor, text));
let row_delta = insertion_point.row - range_to_move.end.row + 1;
new_selections.extend(contiguous_row_selections.drain(..).map(
|mut selection| {
selection.start.row += row_delta;
selection.end.row += row_delta;
selection
},
));
unfold_ranges.push(range_to_move.clone());
for fold in display_map.folds_in_range(
buffer.anchor_before(range_to_move.start)
..buffer.anchor_after(range_to_move.end),
) {
let mut start = fold.range.start.to_point(&buffer);
let mut end = fold.range.end.to_point(&buffer);
start.row += row_delta;
end.row += row_delta;
refold_ranges.push(start..end);
}
}
}
new_selections.append(&mut contiguous_row_selections);
}
self.transact(cx, |this, cx| {
this.unfold_ranges(unfold_ranges, true, true, cx);
this.buffer.update(cx, |buffer, cx| {
for (range, text) in edits {
buffer.edit([(range, text)], None, cx);
}
});
this.fold_ranges(refold_ranges, true, cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(new_selections));
});
}
pub fn transpose(&mut self, _: &Transpose, cx: &mut ViewContext<Self>) {
let text_layout_details = &self.text_layout_details(cx);
self.transact(cx, |this, cx| {
let edits = this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let mut edits: Vec<(Range<usize>, String)> = Default::default();
let line_mode = s.line_mode;
s.move_with(|display_map, selection| {
if !selection.is_empty() || line_mode {
return;
}
let mut head = selection.head();
let mut transpose_offset = head.to_offset(display_map, Bias::Right);
if head.column() == display_map.line_len(head.row()) {
transpose_offset = display_map
.buffer_snapshot
.clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
}
if transpose_offset == 0 {
return;
}
*head.column_mut() += 1;
head = display_map.clip_point(head, Bias::Right);
let goal = SelectionGoal::HorizontalPosition(
display_map
.x_for_display_point(head, &text_layout_details)
.into(),
);
selection.collapse_to(head, goal);
let transpose_start = display_map
.buffer_snapshot
.clip_offset(transpose_offset.saturating_sub(1), Bias::Left);
if edits.last().map_or(true, |e| e.0.end <= transpose_start) {
let transpose_end = display_map
.buffer_snapshot
.clip_offset(transpose_offset + 1, Bias::Right);
if let Some(ch) =
display_map.buffer_snapshot.chars_at(transpose_start).next()
{
edits.push((transpose_start..transpose_offset, String::new()));
edits.push((transpose_end..transpose_end, ch.to_string()));
}
}
});
edits
});
this.buffer
.update(cx, |buffer, cx| buffer.edit(edits, None, cx));
let selections = this.selections.all::<usize>(cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections);
});
});
}
pub fn cut(&mut self, _: &Cut, cx: &mut ViewContext<Self>) {
let mut text = String::new();
let buffer = self.buffer.read(cx).snapshot(cx);
let mut selections = self.selections.all::<Point>(cx);
let mut clipboard_selections = Vec::with_capacity(selections.len());
{
let max_point = buffer.max_point();
let mut is_first = true;
for selection in &mut selections {
let is_entire_line = selection.is_empty() || self.selections.line_mode;
if is_entire_line {
selection.start = Point::new(selection.start.row, 0);
selection.end = cmp::min(max_point, Point::new(selection.end.row + 1, 0));
selection.goal = SelectionGoal::None;
}
if is_first {
is_first = false;
} else {
text += "\n";
}
let mut len = 0;
for chunk in buffer.text_for_range(selection.start..selection.end) {
text.push_str(chunk);
len += chunk.len();
}
clipboard_selections.push(ClipboardSelection {
len,
is_entire_line,
first_line_indent: buffer.indent_size_for_line(selection.start.row).len,
});
}
}
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections);
});
this.insert("", cx);
cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
});
}
pub fn copy(&mut self, _: &Copy, cx: &mut ViewContext<Self>) {
let selections = self.selections.all::<Point>(cx);
let buffer = self.buffer.read(cx).read(cx);
let mut text = String::new();
let mut clipboard_selections = Vec::with_capacity(selections.len());
{
let max_point = buffer.max_point();
let mut is_first = true;
for selection in selections.iter() {
let mut start = selection.start;
let mut end = selection.end;
let is_entire_line = selection.is_empty() || self.selections.line_mode;
if is_entire_line {
start = Point::new(start.row, 0);
end = cmp::min(max_point, Point::new(end.row + 1, 0));
}
if is_first {
is_first = false;
} else {
text += "\n";
}
let mut len = 0;
for chunk in buffer.text_for_range(start..end) {
text.push_str(chunk);
len += chunk.len();
}
clipboard_selections.push(ClipboardSelection {
len,
is_entire_line,
first_line_indent: buffer.indent_size_for_line(start.row).len,
});
}
}
cx.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
}
pub fn paste(&mut self, _: &Paste, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
if let Some(item) = cx.read_from_clipboard() {
let clipboard_text = Cow::Borrowed(item.text());
if let Some(mut clipboard_selections) = item.metadata::<Vec<ClipboardSelection>>() {
let old_selections = this.selections.all::<usize>(cx);
let all_selections_were_entire_line =
clipboard_selections.iter().all(|s| s.is_entire_line);
let first_selection_indent_column =
clipboard_selections.first().map(|s| s.first_line_indent);
if clipboard_selections.len() != old_selections.len() {
clipboard_selections.drain(..);
}
this.buffer.update(cx, |buffer, cx| {
let snapshot = buffer.read(cx);
let mut start_offset = 0;
let mut edits = Vec::new();
let mut original_indent_columns = Vec::new();
let line_mode = this.selections.line_mode;
for (ix, selection) in old_selections.iter().enumerate() {
let to_insert;
let entire_line;
let original_indent_column;
if let Some(clipboard_selection) = clipboard_selections.get(ix) {
let end_offset = start_offset + clipboard_selection.len;
to_insert = &clipboard_text[start_offset..end_offset];
entire_line = clipboard_selection.is_entire_line;
start_offset = end_offset + 1;
original_indent_column =
Some(clipboard_selection.first_line_indent);
} else {
to_insert = clipboard_text.as_str();
entire_line = all_selections_were_entire_line;
original_indent_column = first_selection_indent_column
}
let range = if selection.is_empty() && !line_mode && entire_line {
let column = selection.start.to_point(&snapshot).column as usize;
let line_start = selection.start - column;
line_start..line_start
} else {
selection.range()
};
edits.push((range, to_insert));
original_indent_columns.extend(original_indent_column);
}
drop(snapshot);
buffer.edit(
edits,
Some(AutoindentMode::Block {
original_indent_columns,
}),
cx,
);
});
let selections = this.selections.all::<usize>(cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
} else {
this.insert(&clipboard_text, cx);
}
}
});
}
pub fn undo(&mut self, _: &Undo, cx: &mut ViewContext<Self>) {
if let Some(tx_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
if let Some((selections, _)) = self.selection_history.transaction(tx_id).cloned() {
self.change_selections(None, cx, |s| {
s.select_anchors(selections.to_vec());
});
}
self.request_autoscroll(Autoscroll::fit(), cx);
self.unmark_text(cx);
self.refresh_copilot_suggestions(true, cx);
cx.emit(EditorEvent::Edited);
}
}
pub fn redo(&mut self, _: &Redo, cx: &mut ViewContext<Self>) {
if let Some(tx_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
if let Some((_, Some(selections))) = self.selection_history.transaction(tx_id).cloned()
{
self.change_selections(None, cx, |s| {
s.select_anchors(selections.to_vec());
});
}
self.request_autoscroll(Autoscroll::fit(), cx);
self.unmark_text(cx);
self.refresh_copilot_suggestions(true, cx);
cx.emit(EditorEvent::Edited);
}
}
pub fn finalize_last_transaction(&mut self, cx: &mut ViewContext<Self>) {
self.buffer
.update(cx, |buffer, cx| buffer.finalize_last_transaction(cx));
}
pub fn move_left(&mut self, _: &MoveLeft, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
let cursor = if selection.is_empty() && !line_mode {
movement::left(map, selection.start)
} else {
selection.start
};
selection.collapse_to(cursor, SelectionGoal::None);
});
})
}
pub fn select_left(&mut self, _: &SelectLeft, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| (movement::left(map, head), SelectionGoal::None));
})
}
pub fn move_right(&mut self, _: &MoveRight, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
let cursor = if selection.is_empty() && !line_mode {
movement::right(map, selection.end)
} else {
selection.end
};
selection.collapse_to(cursor, SelectionGoal::None)
});
})
}
pub fn select_right(&mut self, _: &SelectRight, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| (movement::right(map, head), SelectionGoal::None));
})
}
pub fn move_up(&mut self, _: &MoveUp, cx: &mut ViewContext<Self>) {
if self.take_rename(true, cx).is_some() {
return;
}
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
let text_layout_details = &self.text_layout_details(cx);
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if !selection.is_empty() && !line_mode {
selection.goal = SelectionGoal::None;
}
let (cursor, goal) = movement::up(
map,
selection.start,
selection.goal,
false,
&text_layout_details,
);
selection.collapse_to(cursor, goal);
});
})
}
pub fn move_page_up(&mut self, action: &MovePageUp, cx: &mut ViewContext<Self>) {
if self.take_rename(true, cx).is_some() {
return;
}
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
let row_count = if let Some(row_count) = self.visible_line_count() {
row_count as u32 - 1
} else {
return;
};
let autoscroll = if action.center_cursor {
Autoscroll::center()
} else {
Autoscroll::fit()
};
let text_layout_details = &self.text_layout_details(cx);
self.change_selections(Some(autoscroll), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if !selection.is_empty() && !line_mode {
selection.goal = SelectionGoal::None;
}
let (cursor, goal) = movement::up_by_rows(
map,
selection.end,
row_count,
selection.goal,
false,
&text_layout_details,
);
selection.collapse_to(cursor, goal);
});
});
}
pub fn select_up(&mut self, _: &SelectUp, cx: &mut ViewContext<Self>) {
let text_layout_details = &self.text_layout_details(cx);
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, goal| {
movement::up(map, head, goal, false, &text_layout_details)
})
})
}
pub fn move_down(&mut self, _: &MoveDown, cx: &mut ViewContext<Self>) {
self.take_rename(true, cx);
if self.mode == EditorMode::SingleLine {
cx.propagate();
return;
}
let text_layout_details = &self.text_layout_details(cx);
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if !selection.is_empty() && !line_mode {
selection.goal = SelectionGoal::None;
}
let (cursor, goal) = movement::down(
map,
selection.end,
selection.goal,
false,
&text_layout_details,
);
selection.collapse_to(cursor, goal);
});
});
}
pub fn move_page_down(&mut self, action: &MovePageDown, cx: &mut ViewContext<Self>) {
if self.take_rename(true, cx).is_some() {
return;
}
if self
.context_menu
.write()
.as_mut()
.map(|menu| menu.select_last(self.project.as_ref(), cx))
.unwrap_or(false)
{
return;
}
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
let row_count = if let Some(row_count) = self.visible_line_count() {
row_count as u32 - 1
} else {
return;
};
let autoscroll = if action.center_cursor {
Autoscroll::center()
} else {
Autoscroll::fit()
};
let text_layout_details = &self.text_layout_details(cx);
self.change_selections(Some(autoscroll), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if !selection.is_empty() && !line_mode {
selection.goal = SelectionGoal::None;
}
let (cursor, goal) = movement::down_by_rows(
map,
selection.end,
row_count,
selection.goal,
false,
&text_layout_details,
);
selection.collapse_to(cursor, goal);
});
});
}
pub fn select_down(&mut self, _: &SelectDown, cx: &mut ViewContext<Self>) {
let text_layout_details = &self.text_layout_details(cx);
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, goal| {
movement::down(map, head, goal, false, &text_layout_details)
})
});
}
pub fn context_menu_first(&mut self, _: &ContextMenuFirst, cx: &mut ViewContext<Self>) {
if let Some(context_menu) = self.context_menu.write().as_mut() {
context_menu.select_first(self.project.as_ref(), cx);
}
}
pub fn context_menu_prev(&mut self, _: &ContextMenuPrev, cx: &mut ViewContext<Self>) {
if let Some(context_menu) = self.context_menu.write().as_mut() {
context_menu.select_prev(self.project.as_ref(), cx);
}
}
pub fn context_menu_next(&mut self, _: &ContextMenuNext, cx: &mut ViewContext<Self>) {
if let Some(context_menu) = self.context_menu.write().as_mut() {
context_menu.select_next(self.project.as_ref(), cx);
}
}
pub fn context_menu_last(&mut self, _: &ContextMenuLast, cx: &mut ViewContext<Self>) {
if let Some(context_menu) = self.context_menu.write().as_mut() {
context_menu.select_last(self.project.as_ref(), cx);
}
}
pub fn move_to_previous_word_start(
&mut self,
_: &MoveToPreviousWordStart,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(
movement::previous_word_start(map, head),
SelectionGoal::None,
)
});
})
}
pub fn move_to_previous_subword_start(
&mut self,
_: &MoveToPreviousSubwordStart,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(
movement::previous_subword_start(map, head),
SelectionGoal::None,
)
});
})
}
pub fn select_to_previous_word_start(
&mut self,
_: &SelectToPreviousWordStart,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::previous_word_start(map, head),
SelectionGoal::None,
)
});
})
}
pub fn select_to_previous_subword_start(
&mut self,
_: &SelectToPreviousSubwordStart,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::previous_subword_start(map, head),
SelectionGoal::None,
)
});
})
}
pub fn delete_to_previous_word_start(
&mut self,
_: &DeleteToPreviousWordStart,
cx: &mut ViewContext<Self>,
) {
self.transact(cx, |this, cx| {
this.select_autoclose_pair(cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if selection.is_empty() && !line_mode {
let cursor = movement::previous_word_start(map, selection.head());
selection.set_head(cursor, SelectionGoal::None);
}
});
});
this.insert("", cx);
});
}
pub fn delete_to_previous_subword_start(
&mut self,
_: &DeleteToPreviousSubwordStart,
cx: &mut ViewContext<Self>,
) {
self.transact(cx, |this, cx| {
this.select_autoclose_pair(cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if selection.is_empty() && !line_mode {
let cursor = movement::previous_subword_start(map, selection.head());
selection.set_head(cursor, SelectionGoal::None);
}
});
});
this.insert("", cx);
});
}
pub fn move_to_next_word_end(&mut self, _: &MoveToNextWordEnd, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(movement::next_word_end(map, head), SelectionGoal::None)
});
})
}
pub fn move_to_next_subword_end(
&mut self,
_: &MoveToNextSubwordEnd,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(movement::next_subword_end(map, head), SelectionGoal::None)
});
})
}
pub fn select_to_next_word_end(&mut self, _: &SelectToNextWordEnd, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(movement::next_word_end(map, head), SelectionGoal::None)
});
})
}
pub fn select_to_next_subword_end(
&mut self,
_: &SelectToNextSubwordEnd,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(movement::next_subword_end(map, head), SelectionGoal::None)
});
})
}
pub fn delete_to_next_word_end(&mut self, _: &DeleteToNextWordEnd, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
let line_mode = s.line_mode;
s.move_with(|map, selection| {
if selection.is_empty() && !line_mode {
let cursor = movement::next_word_end(map, selection.head());
selection.set_head(cursor, SelectionGoal::None);
}
});
});
this.insert("", cx);
});
}
pub fn delete_to_next_subword_end(
&mut self,
_: &DeleteToNextSubwordEnd,
cx: &mut ViewContext<Self>,
) {
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
if selection.is_empty() {
let cursor = movement::next_subword_end(map, selection.head());
selection.set_head(cursor, SelectionGoal::None);
}
});
});
this.insert("", cx);
});
}
pub fn move_to_beginning_of_line(
&mut self,
_: &MoveToBeginningOfLine,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(
movement::indented_line_beginning(map, head, true),
SelectionGoal::None,
)
});
})
}
pub fn select_to_beginning_of_line(
&mut self,
action: &SelectToBeginningOfLine,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::indented_line_beginning(map, head, action.stop_at_soft_wraps),
SelectionGoal::None,
)
});
});
}
pub fn delete_to_beginning_of_line(
&mut self,
_: &DeleteToBeginningOfLine,
cx: &mut ViewContext<Self>,
) {
self.transact(cx, |this, cx| {
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|_, selection| {
selection.reversed = true;
});
});
this.select_to_beginning_of_line(
&SelectToBeginningOfLine {
stop_at_soft_wraps: false,
},
cx,
);
this.backspace(&Backspace, cx);
});
}
pub fn move_to_end_of_line(&mut self, _: &MoveToEndOfLine, cx: &mut ViewContext<Self>) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|map, head, _| {
(movement::line_end(map, head, true), SelectionGoal::None)
});
})
}
pub fn select_to_end_of_line(
&mut self,
action: &SelectToEndOfLine,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::line_end(map, head, action.stop_at_soft_wraps),
SelectionGoal::None,
)
});
})
}
pub fn delete_to_end_of_line(&mut self, _: &DeleteToEndOfLine, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.select_to_end_of_line(
&SelectToEndOfLine {
stop_at_soft_wraps: false,
},
cx,
);
this.delete(&Delete, cx);
});
}
pub fn cut_to_end_of_line(&mut self, _: &CutToEndOfLine, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.select_to_end_of_line(
&SelectToEndOfLine {
stop_at_soft_wraps: false,
},
cx,
);
this.cut(&Cut, cx);
});
}
pub fn move_to_start_of_paragraph(
&mut self,
_: &MoveToStartOfParagraph,
cx: &mut ViewContext<Self>,
) {
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
selection.collapse_to(
movement::start_of_paragraph(map, selection.head(), 1),
SelectionGoal::None,
)
});
})
}
pub fn move_to_end_of_paragraph(
&mut self,
_: &MoveToEndOfParagraph,
cx: &mut ViewContext<Self>,
) {
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_with(|map, selection| {
selection.collapse_to(
movement::end_of_paragraph(map, selection.head(), 1),
SelectionGoal::None,
)
});
})
}
pub fn select_to_start_of_paragraph(
&mut self,
_: &SelectToStartOfParagraph,
cx: &mut ViewContext<Self>,
) {
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::start_of_paragraph(map, head, 1),
SelectionGoal::None,
)
});
})
}
pub fn select_to_end_of_paragraph(
&mut self,
_: &SelectToEndOfParagraph,
cx: &mut ViewContext<Self>,
) {
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_heads_with(|map, head, _| {
(
movement::end_of_paragraph(map, head, 1),
SelectionGoal::None,
)
});
})
}
pub fn move_to_beginning(&mut self, _: &MoveToBeginning, cx: &mut ViewContext<Self>) {
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(vec![0..0]);
});
}
pub fn select_to_beginning(&mut self, _: &SelectToBeginning, cx: &mut ViewContext<Self>) {
let mut selection = self.selections.last::<Point>(cx);
selection.set_head(Point::zero(), SelectionGoal::None);
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(vec![selection]);
});
}
pub fn move_to_end(&mut self, _: &MoveToEnd, cx: &mut ViewContext<Self>) {
if matches!(self.mode, EditorMode::SingleLine) {
cx.propagate();
return;
}
let cursor = self.buffer.read(cx).read(cx).len();
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(vec![cursor..cursor])
});
}
pub fn set_nav_history(&mut self, nav_history: Option<ItemNavHistory>) {
self.nav_history = nav_history;
}
pub fn nav_history(&self) -> Option<&ItemNavHistory> {
self.nav_history.as_ref()
}
fn push_to_nav_history(
&mut self,
cursor_anchor: Anchor,
new_position: Option<Point>,
cx: &mut ViewContext<Self>,
) {
if let Some(nav_history) = self.nav_history.as_mut() {
let buffer = self.buffer.read(cx).read(cx);
let cursor_position = cursor_anchor.to_point(&buffer);
let scroll_state = self.scroll_manager.anchor();
let scroll_top_row = scroll_state.top_row(&buffer);
drop(buffer);
if let Some(new_position) = new_position {
let row_delta = (new_position.row as i64 - cursor_position.row as i64).abs();
if row_delta < MIN_NAVIGATION_HISTORY_ROW_DELTA {
return;
}
}
nav_history.push(
Some(NavigationData {
cursor_anchor,
cursor_position,
scroll_anchor: scroll_state,
scroll_top_row,
}),
cx,
);
}
}
pub fn select_to_end(&mut self, _: &SelectToEnd, cx: &mut ViewContext<Self>) {
let buffer = self.buffer.read(cx).snapshot(cx);
let mut selection = self.selections.first::<usize>(cx);
selection.set_head(buffer.len(), SelectionGoal::None);
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(vec![selection]);
});
}
pub fn select_all(&mut self, _: &SelectAll, cx: &mut ViewContext<Self>) {
let end = self.buffer.read(cx).read(cx).len();
self.change_selections(None, cx, |s| {
s.select_ranges(vec![0..end]);
});
}
pub fn select_line(&mut self, _: &SelectLine, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let mut selections = self.selections.all::<Point>(cx);
let max_point = display_map.buffer_snapshot.max_point();
for selection in &mut selections {
let rows = selection.spanned_rows(true, &display_map);
selection.start = Point::new(rows.start, 0);
selection.end = cmp::min(max_point, Point::new(rows.end, 0));
selection.reversed = false;
}
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections);
});
}
pub fn split_selection_into_lines(
&mut self,
_: &SplitSelectionIntoLines,
cx: &mut ViewContext<Self>,
) {
let mut to_unfold = Vec::new();
let mut new_selection_ranges = Vec::new();
{
let selections = self.selections.all::<Point>(cx);
let buffer = self.buffer.read(cx).read(cx);
for selection in selections {
for row in selection.start.row..selection.end.row {
let cursor = Point::new(row, buffer.line_len(row));
new_selection_ranges.push(cursor..cursor);
}
new_selection_ranges.push(selection.end..selection.end);
to_unfold.push(selection.start..selection.end);
}
}
self.unfold_ranges(to_unfold, true, true, cx);
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges(new_selection_ranges);
});
}
pub fn add_selection_above(&mut self, _: &AddSelectionAbove, cx: &mut ViewContext<Self>) {
self.add_selection(true, cx);
}
pub fn add_selection_below(&mut self, _: &AddSelectionBelow, cx: &mut ViewContext<Self>) {
self.add_selection(false, cx);
}
fn add_selection(&mut self, above: bool, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let mut selections = self.selections.all::<Point>(cx);
let text_layout_details = self.text_layout_details(cx);
let mut state = self.add_selections_state.take().unwrap_or_else(|| {
let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
let range = oldest_selection.display_range(&display_map).sorted();
let start_x = display_map.x_for_display_point(range.start, &text_layout_details);
let end_x = display_map.x_for_display_point(range.end, &text_layout_details);
let positions = start_x.min(end_x)..start_x.max(end_x);
selections.clear();
let mut stack = Vec::new();
for row in range.start.row()..=range.end.row() {
if let Some(selection) = self.selections.build_columnar_selection(
&display_map,
row,
&positions,
oldest_selection.reversed,
&text_layout_details,
) {
stack.push(selection.id);
selections.push(selection);
}
}
if above {
stack.reverse();
}
AddSelectionsState { above, stack }
});
let last_added_selection = *state.stack.last().unwrap();
let mut new_selections = Vec::new();
if above == state.above {
let end_row = if above {
0
} else {
display_map.max_point().row()
};
'outer: for selection in selections {
if selection.id == last_added_selection {
let range = selection.display_range(&display_map).sorted();
debug_assert_eq!(range.start.row(), range.end.row());
let mut row = range.start.row();
let positions =
if let SelectionGoal::HorizontalRange { start, end } = selection.goal {
px(start)..px(end)
} else {
let start_x =
display_map.x_for_display_point(range.start, &text_layout_details);
let end_x =
display_map.x_for_display_point(range.end, &text_layout_details);
start_x.min(end_x)..start_x.max(end_x)
};
while row != end_row {
if above {
row -= 1;
} else {
row += 1;
}
if let Some(new_selection) = self.selections.build_columnar_selection(
&display_map,
row,
&positions,
selection.reversed,
&text_layout_details,
) {
state.stack.push(new_selection.id);
if above {
new_selections.push(new_selection);
new_selections.push(selection);
} else {
new_selections.push(selection);
new_selections.push(new_selection);
}
continue 'outer;
}
}
}
new_selections.push(selection);
}
} else {
new_selections = selections;
new_selections.retain(|s| s.id != last_added_selection);
state.stack.pop();
}
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
});
if state.stack.len() > 1 {
self.add_selections_state = Some(state);
}
}
pub fn select_next_match_internal(
&mut self,
display_map: &DisplaySnapshot,
replace_newest: bool,
autoscroll: Option<Autoscroll>,
cx: &mut ViewContext<Self>,
) -> Result<()> {
fn select_next_match_ranges(
this: &mut Editor,
range: Range<usize>,
replace_newest: bool,
auto_scroll: Option<Autoscroll>,
cx: &mut ViewContext<Editor>,
) {
this.unfold_ranges([range.clone()], false, true, cx);
this.change_selections(auto_scroll, cx, |s| {
if replace_newest {
s.delete(s.newest_anchor().id);
}
s.insert_range(range.clone());
});
}
let buffer = &display_map.buffer_snapshot;
let mut selections = self.selections.all::<usize>(cx);
if let Some(mut select_next_state) = self.select_next_state.take() {
let query = &select_next_state.query;
if !select_next_state.done {
let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
let mut next_selected_range = None;
let bytes_after_last_selection =
buffer.bytes_in_range(last_selection.end..buffer.len());
let bytes_before_first_selection = buffer.bytes_in_range(0..first_selection.start);
let query_matches = query
.stream_find_iter(bytes_after_last_selection)
.map(|result| (last_selection.end, result))
.chain(
query
.stream_find_iter(bytes_before_first_selection)
.map(|result| (0, result)),
);
for (start_offset, query_match) in query_matches {
let query_match = query_match.unwrap(); let offset_range =
start_offset + query_match.start()..start_offset + query_match.end();
let display_range = offset_range.start.to_display_point(&display_map)
..offset_range.end.to_display_point(&display_map);
if !select_next_state.wordwise
|| (!movement::is_inside_word(&display_map, display_range.start)
&& !movement::is_inside_word(&display_map, display_range.end))
{
if selections
.iter()
.find(|selection| selection.range().overlaps(&offset_range))
.is_none()
{
next_selected_range = Some(offset_range);
break;
}
}
}
if let Some(next_selected_range) = next_selected_range {
select_next_match_ranges(
self,
next_selected_range,
replace_newest,
autoscroll,
cx,
);
} else {
select_next_state.done = true;
}
}
self.select_next_state = Some(select_next_state);
} else if selections.len() == 1 {
let selection = selections.last_mut().unwrap();
if selection.start == selection.end {
let word_range = movement::surrounding_word(
&display_map,
selection.start.to_display_point(&display_map),
);
selection.start = word_range.start.to_offset(&display_map, Bias::Left);
selection.end = word_range.end.to_offset(&display_map, Bias::Left);
selection.goal = SelectionGoal::None;
selection.reversed = false;
let query = buffer
.text_for_range(selection.start..selection.end)
.collect::<String>();
let is_empty = query.is_empty();
let select_state = SelectNextState {
query: AhoCorasick::new(&[query])?,
wordwise: true,
done: is_empty,
};
select_next_match_ranges(
self,
selection.start..selection.end,
replace_newest,
autoscroll,
cx,
);
self.select_next_state = Some(select_state);
} else {
let query = buffer
.text_for_range(selection.start..selection.end)
.collect::<String>();
self.select_next_state = Some(SelectNextState {
query: AhoCorasick::new(&[query])?,
wordwise: false,
done: false,
});
self.select_next_match_internal(display_map, replace_newest, autoscroll, cx)?;
}
}
Ok(())
}
pub fn select_all_matches(
&mut self,
action: &SelectAllMatches,
cx: &mut ViewContext<Self>,
) -> Result<()> {
self.push_to_selection_history();
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
loop {
self.select_next_match_internal(&display_map, action.replace_newest, None, cx)?;
if self
.select_next_state
.as_ref()
.map(|selection_state| selection_state.done)
.unwrap_or(true)
{
break;
}
}
Ok(())
}
pub fn select_next(&mut self, action: &SelectNext, cx: &mut ViewContext<Self>) -> Result<()> {
self.push_to_selection_history();
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
self.select_next_match_internal(
&display_map,
action.replace_newest,
Some(Autoscroll::newest()),
cx,
)?;
Ok(())
}
pub fn select_previous(
&mut self,
action: &SelectPrevious,
cx: &mut ViewContext<Self>,
) -> Result<()> {
self.push_to_selection_history();
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = &display_map.buffer_snapshot;
let mut selections = self.selections.all::<usize>(cx);
if let Some(mut select_prev_state) = self.select_prev_state.take() {
let query = &select_prev_state.query;
if !select_prev_state.done {
let first_selection = selections.iter().min_by_key(|s| s.id).unwrap();
let last_selection = selections.iter().max_by_key(|s| s.id).unwrap();
let mut next_selected_range = None;
let bytes_before_last_selection =
buffer.reversed_bytes_in_range(0..last_selection.start);
let bytes_after_first_selection =
buffer.reversed_bytes_in_range(first_selection.end..buffer.len());
let query_matches = query
.stream_find_iter(bytes_before_last_selection)
.map(|result| (last_selection.start, result))
.chain(
query
.stream_find_iter(bytes_after_first_selection)
.map(|result| (buffer.len(), result)),
);
for (end_offset, query_match) in query_matches {
let query_match = query_match.unwrap(); let offset_range =
end_offset - query_match.end()..end_offset - query_match.start();
let display_range = offset_range.start.to_display_point(&display_map)
..offset_range.end.to_display_point(&display_map);
if !select_prev_state.wordwise
|| (!movement::is_inside_word(&display_map, display_range.start)
&& !movement::is_inside_word(&display_map, display_range.end))
{
next_selected_range = Some(offset_range);
break;
}
}
if let Some(next_selected_range) = next_selected_range {
self.unfold_ranges([next_selected_range.clone()], false, true, cx);
self.change_selections(Some(Autoscroll::newest()), cx, |s| {
if action.replace_newest {
s.delete(s.newest_anchor().id);
}
s.insert_range(next_selected_range);
});
} else {
select_prev_state.done = true;
}
}
self.select_prev_state = Some(select_prev_state);
} else if selections.len() == 1 {
let selection = selections.last_mut().unwrap();
if selection.start == selection.end {
let word_range = movement::surrounding_word(
&display_map,
selection.start.to_display_point(&display_map),
);
selection.start = word_range.start.to_offset(&display_map, Bias::Left);
selection.end = word_range.end.to_offset(&display_map, Bias::Left);
selection.goal = SelectionGoal::None;
selection.reversed = false;
let query = buffer
.text_for_range(selection.start..selection.end)
.collect::<String>();
let query = query.chars().rev().collect::<String>();
let select_state = SelectNextState {
query: AhoCorasick::new(&[query])?,
wordwise: true,
done: false,
};
self.unfold_ranges([selection.start..selection.end], false, true, cx);
self.change_selections(Some(Autoscroll::newest()), cx, |s| {
s.select(selections);
});
self.select_prev_state = Some(select_state);
} else {
let query = buffer
.text_for_range(selection.start..selection.end)
.collect::<String>();
let query = query.chars().rev().collect::<String>();
self.select_prev_state = Some(SelectNextState {
query: AhoCorasick::new(&[query])?,
wordwise: false,
done: false,
});
self.select_previous(action, cx)?;
}
}
Ok(())
}
pub fn toggle_comments(&mut self, action: &ToggleComments, cx: &mut ViewContext<Self>) {
let text_layout_details = &self.text_layout_details(cx);
self.transact(cx, |this, cx| {
let mut selections = this.selections.all::<Point>(cx);
let mut edits = Vec::new();
let mut selection_edit_ranges = Vec::new();
let mut last_toggled_row = None;
let snapshot = this.buffer.read(cx).read(cx);
let empty_str: Arc<str> = "".into();
let mut suffixes_inserted = Vec::new();
fn comment_prefix_range(
snapshot: &MultiBufferSnapshot,
row: u32,
comment_prefix: &str,
comment_prefix_whitespace: &str,
) -> Range<Point> {
let start = Point::new(row, snapshot.indent_size_for_line(row).len);
let mut line_bytes = snapshot
.bytes_in_range(start..snapshot.max_point())
.flatten()
.copied();
if line_bytes
.by_ref()
.take(comment_prefix.len())
.eq(comment_prefix.bytes())
{
let matching_whitespace_len = line_bytes
.zip(comment_prefix_whitespace.bytes())
.take_while(|(a, b)| a == b)
.count() as u32;
let end = Point::new(
start.row,
start.column + comment_prefix.len() as u32 + matching_whitespace_len,
);
start..end
} else {
start..start
}
}
fn comment_suffix_range(
snapshot: &MultiBufferSnapshot,
row: u32,
comment_suffix: &str,
comment_suffix_has_leading_space: bool,
) -> Range<Point> {
let end = Point::new(row, snapshot.line_len(row));
let suffix_start_column = end.column.saturating_sub(comment_suffix.len() as u32);
let mut line_end_bytes = snapshot
.bytes_in_range(Point::new(end.row, suffix_start_column.saturating_sub(1))..end)
.flatten()
.copied();
let leading_space_len = if suffix_start_column > 0
&& line_end_bytes.next() == Some(b' ')
&& comment_suffix_has_leading_space
{
1
} else {
0
};
if line_end_bytes.by_ref().eq(comment_suffix.bytes()) {
let start = Point::new(end.row, suffix_start_column - leading_space_len);
start..end
} else {
end..end
}
}
for selection in &mut selections {
let start_column = snapshot.indent_size_for_line(selection.start.row).len;
let language = if let Some(language) =
snapshot.language_scope_at(Point::new(selection.start.row, start_column))
{
language
} else {
continue;
};
selection_edit_ranges.clear();
let mut start_row = selection.start.row;
if last_toggled_row == Some(start_row) {
start_row += 1;
}
let end_row =
if selection.end.row > selection.start.row && selection.end.column == 0 {
selection.end.row - 1
} else {
selection.end.row
};
last_toggled_row = Some(end_row);
if start_row > end_row {
continue;
}
if let Some(full_comment_prefix) = language.line_comment_prefix() {
let comment_prefix = full_comment_prefix.trim_end_matches(' ');
let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
let mut all_selection_lines_are_comments = true;
for row in start_row..=end_row {
if snapshot.is_line_blank(row) && start_row < end_row {
continue;
}
let prefix_range = comment_prefix_range(
snapshot.deref(),
row,
comment_prefix,
comment_prefix_whitespace,
);
if prefix_range.is_empty() {
all_selection_lines_are_comments = false;
}
selection_edit_ranges.push(prefix_range);
}
if all_selection_lines_are_comments {
edits.extend(
selection_edit_ranges
.iter()
.cloned()
.map(|range| (range, empty_str.clone())),
);
} else {
let min_column = selection_edit_ranges
.iter()
.map(|r| r.start.column)
.min()
.unwrap_or(0);
edits.extend(selection_edit_ranges.iter().map(|range| {
let position = Point::new(range.start.row, min_column);
(position..position, full_comment_prefix.clone())
}));
}
} else if let Some((full_comment_prefix, comment_suffix)) =
language.block_comment_delimiters()
{
let comment_prefix = full_comment_prefix.trim_end_matches(' ');
let comment_prefix_whitespace = &full_comment_prefix[comment_prefix.len()..];
let prefix_range = comment_prefix_range(
snapshot.deref(),
start_row,
comment_prefix,
comment_prefix_whitespace,
);
let suffix_range = comment_suffix_range(
snapshot.deref(),
end_row,
comment_suffix.trim_start_matches(' '),
comment_suffix.starts_with(' '),
);
if prefix_range.is_empty() || suffix_range.is_empty() {
edits.push((
prefix_range.start..prefix_range.start,
full_comment_prefix.clone(),
));
edits.push((suffix_range.end..suffix_range.end, comment_suffix.clone()));
suffixes_inserted.push((end_row, comment_suffix.len()));
} else {
edits.push((prefix_range, empty_str.clone()));
edits.push((suffix_range, empty_str.clone()));
}
} else {
continue;
}
}
drop(snapshot);
this.buffer.update(cx, |buffer, cx| {
buffer.edit(edits, None, cx);
});
let mut suffixes_inserted = suffixes_inserted.into_iter().peekable();
let mut selections = this.selections.all::<Point>(cx);
let snapshot = this.buffer.read(cx).read(cx);
for selection in &mut selections {
while let Some((row, suffix_len)) = suffixes_inserted.peek().copied() {
match row.cmp(&selection.end.row) {
Ordering::Less => {
suffixes_inserted.next();
continue;
}
Ordering::Greater => break,
Ordering::Equal => {
if selection.end.column == snapshot.line_len(row) {
if selection.is_empty() {
selection.start.column -= suffix_len as u32;
}
selection.end.column -= suffix_len as u32;
}
break;
}
}
}
}
drop(snapshot);
this.change_selections(Some(Autoscroll::fit()), cx, |s| s.select(selections));
let selections = this.selections.all::<Point>(cx);
let selections_on_single_row = selections.windows(2).all(|selections| {
selections[0].start.row == selections[1].start.row
&& selections[0].end.row == selections[1].end.row
&& selections[0].start.row == selections[0].end.row
});
let selections_selecting = selections
.iter()
.any(|selection| selection.start != selection.end);
let advance_downwards = action.advance_downwards
&& selections_on_single_row
&& !selections_selecting
&& this.mode != EditorMode::SingleLine;
if advance_downwards {
let snapshot = this.buffer.read(cx).snapshot(cx);
this.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_cursors_with(|display_snapshot, display_point, _| {
let mut point = display_point.to_point(display_snapshot);
point.row += 1;
point = snapshot.clip_point(point, Bias::Left);
let display_point = point.to_display_point(display_snapshot);
let goal = SelectionGoal::HorizontalPosition(
display_snapshot
.x_for_display_point(display_point, &text_layout_details)
.into(),
);
(display_point, goal)
})
});
}
});
}
pub fn select_larger_syntax_node(
&mut self,
_: &SelectLargerSyntaxNode,
cx: &mut ViewContext<Self>,
) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = self.buffer.read(cx).snapshot(cx);
let old_selections = self.selections.all::<usize>(cx).into_boxed_slice();
let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
let mut selected_larger_node = false;
let new_selections = old_selections
.iter()
.map(|selection| {
let old_range = selection.start..selection.end;
let mut new_range = old_range.clone();
while let Some(containing_range) =
buffer.range_for_syntax_ancestor(new_range.clone())
{
new_range = containing_range;
if !display_map.intersects_fold(new_range.start)
&& !display_map.intersects_fold(new_range.end)
{
break;
}
}
selected_larger_node |= new_range != old_range;
Selection {
id: selection.id,
start: new_range.start,
end: new_range.end,
goal: SelectionGoal::None,
reversed: selection.reversed,
}
})
.collect::<Vec<_>>();
if selected_larger_node {
stack.push(old_selections);
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(new_selections);
});
}
self.select_larger_syntax_node_stack = stack;
}
pub fn select_smaller_syntax_node(
&mut self,
_: &SelectSmallerSyntaxNode,
cx: &mut ViewContext<Self>,
) {
let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
if let Some(selections) = stack.pop() {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(selections.to_vec());
});
}
self.select_larger_syntax_node_stack = stack;
}
pub fn move_to_enclosing_bracket(
&mut self,
_: &MoveToEnclosingBracket,
cx: &mut ViewContext<Self>,
) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.move_offsets_with(|snapshot, selection| {
let Some(enclosing_bracket_ranges) =
snapshot.enclosing_bracket_ranges(selection.start..selection.end)
else {
return;
};
let mut best_length = usize::MAX;
let mut best_inside = false;
let mut best_in_bracket_range = false;
let mut best_destination = None;
for (open, close) in enclosing_bracket_ranges {
let close = close.to_inclusive();
let length = close.end() - open.start;
let inside = selection.start >= open.end && selection.end <= *close.start();
let in_bracket_range = open.to_inclusive().contains(&selection.head())
|| close.contains(&selection.head());
if !in_bracket_range && best_in_bracket_range {
continue;
}
if length > best_length && (best_inside || !inside) {
continue;
}
best_length = length;
best_inside = inside;
best_in_bracket_range = in_bracket_range;
best_destination = Some(
if close.contains(&selection.start) && close.contains(&selection.end) {
if inside {
open.end
} else {
open.start
}
} else {
if inside {
*close.start()
} else {
*close.end()
}
},
);
}
if let Some(destination) = best_destination {
selection.collapse_to(destination, SelectionGoal::None);
}
})
});
}
pub fn undo_selection(&mut self, _: &UndoSelection, cx: &mut ViewContext<Self>) {
self.end_selection(cx);
self.selection_history.mode = SelectionHistoryMode::Undoing;
if let Some(entry) = self.selection_history.undo_stack.pop_back() {
self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
self.select_next_state = entry.select_next_state;
self.select_prev_state = entry.select_prev_state;
self.add_selections_state = entry.add_selections_state;
self.request_autoscroll(Autoscroll::newest(), cx);
}
self.selection_history.mode = SelectionHistoryMode::Normal;
}
pub fn redo_selection(&mut self, _: &RedoSelection, cx: &mut ViewContext<Self>) {
self.end_selection(cx);
self.selection_history.mode = SelectionHistoryMode::Redoing;
if let Some(entry) = self.selection_history.redo_stack.pop_back() {
self.change_selections(None, cx, |s| s.select_anchors(entry.selections.to_vec()));
self.select_next_state = entry.select_next_state;
self.select_prev_state = entry.select_prev_state;
self.add_selections_state = entry.add_selections_state;
self.request_autoscroll(Autoscroll::newest(), cx);
}
self.selection_history.mode = SelectionHistoryMode::Normal;
}
fn go_to_diagnostic(&mut self, _: &GoToDiagnostic, cx: &mut ViewContext<Self>) {
self.go_to_diagnostic_impl(Direction::Next, cx)
}
fn go_to_prev_diagnostic(&mut self, _: &GoToPrevDiagnostic, cx: &mut ViewContext<Self>) {
self.go_to_diagnostic_impl(Direction::Prev, cx)
}
pub fn go_to_diagnostic_impl(&mut self, direction: Direction, cx: &mut ViewContext<Self>) {
let buffer = self.buffer.read(cx).snapshot(cx);
let selection = self.selections.newest::<usize>(cx);
if direction == Direction::Next {
if let Some(popover) = self.hover_state.diagnostic_popover.as_ref() {
let (group_id, jump_to) = popover.activation_info();
if self.activate_diagnostics(group_id, cx) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let mut new_selection = s.newest_anchor().clone();
new_selection.collapse_to(jump_to, SelectionGoal::None);
s.select_anchors(vec![new_selection.clone()]);
});
}
return;
}
}
let mut active_primary_range = self.active_diagnostics.as_ref().map(|active_diagnostics| {
active_diagnostics
.primary_range
.to_offset(&buffer)
.to_inclusive()
});
let mut search_start = if let Some(active_primary_range) = active_primary_range.as_ref() {
if active_primary_range.contains(&selection.head()) {
*active_primary_range.end()
} else {
selection.head()
}
} else {
selection.head()
};
loop {
let mut diagnostics = if direction == Direction::Prev {
buffer.diagnostics_in_range::<_, usize>(0..search_start, true)
} else {
buffer.diagnostics_in_range::<_, usize>(search_start..buffer.len(), false)
};
let group = diagnostics.find_map(|entry| {
if entry.diagnostic.is_primary
&& entry.diagnostic.severity <= DiagnosticSeverity::WARNING
&& !entry.range.is_empty()
&& Some(entry.range.end) != active_primary_range.as_ref().map(|r| *r.end())
&& !entry.range.contains(&search_start)
{
Some((entry.range, entry.diagnostic.group_id))
} else {
None
}
});
if let Some((primary_range, group_id)) = group {
if self.activate_diagnostics(group_id, cx) {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select(vec![Selection {
id: selection.id,
start: primary_range.start,
end: primary_range.start,
reversed: false,
goal: SelectionGoal::None,
}]);
});
}
break;
} else {
active_primary_range.take();
if direction == Direction::Prev {
if search_start == buffer.len() {
break;
} else {
search_start = buffer.len();
}
} else if search_start == 0 {
break;
} else {
search_start = 0;
}
}
}
}
fn go_to_hunk(&mut self, _: &GoToHunk, cx: &mut ViewContext<Self>) {
let snapshot = self
.display_map
.update(cx, |display_map, cx| display_map.snapshot(cx));
let selection = self.selections.newest::<Point>(cx);
if !self.seek_in_direction(
&snapshot,
selection.head(),
false,
snapshot
.buffer_snapshot
.git_diff_hunks_in_range((selection.head().row + 1)..u32::MAX),
cx,
) {
let wrapped_point = Point::zero();
self.seek_in_direction(
&snapshot,
wrapped_point,
true,
snapshot
.buffer_snapshot
.git_diff_hunks_in_range((wrapped_point.row + 1)..u32::MAX),
cx,
);
}
}
fn go_to_prev_hunk(&mut self, _: &GoToPrevHunk, cx: &mut ViewContext<Self>) {
let snapshot = self
.display_map
.update(cx, |display_map, cx| display_map.snapshot(cx));
let selection = self.selections.newest::<Point>(cx);
if !self.seek_in_direction(
&snapshot,
selection.head(),
false,
snapshot
.buffer_snapshot
.git_diff_hunks_in_range_rev(0..selection.head().row),
cx,
) {
let wrapped_point = snapshot.buffer_snapshot.max_point();
self.seek_in_direction(
&snapshot,
wrapped_point,
true,
snapshot
.buffer_snapshot
.git_diff_hunks_in_range_rev(0..wrapped_point.row),
cx,
);
}
}
fn seek_in_direction(
&mut self,
snapshot: &DisplaySnapshot,
initial_point: Point,
is_wrapped: bool,
hunks: impl Iterator<Item = DiffHunk<u32>>,
cx: &mut ViewContext<Editor>,
) -> bool {
let display_point = initial_point.to_display_point(snapshot);
let mut hunks = hunks
.map(|hunk| diff_hunk_to_display(hunk, &snapshot))
.filter(|hunk| {
if is_wrapped {
true
} else {
!hunk.contains_display_row(display_point.row())
}
})
.dedup();
if let Some(hunk) = hunks.next() {
self.change_selections(Some(Autoscroll::fit()), cx, |s| {
let row = hunk.start_display_row();
let point = DisplayPoint::new(row, 0);
s.select_display_ranges([point..point]);
});
true
} else {
false
}
}
pub fn go_to_definition(&mut self, _: &GoToDefinition, cx: &mut ViewContext<Self>) {
self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, false, cx);
}
pub fn go_to_type_definition(&mut self, _: &GoToTypeDefinition, cx: &mut ViewContext<Self>) {
self.go_to_definition_of_kind(GotoDefinitionKind::Type, false, cx);
}
pub fn go_to_definition_split(&mut self, _: &GoToDefinitionSplit, cx: &mut ViewContext<Self>) {
self.go_to_definition_of_kind(GotoDefinitionKind::Symbol, true, cx);
}
pub fn go_to_type_definition_split(
&mut self,
_: &GoToTypeDefinitionSplit,
cx: &mut ViewContext<Self>,
) {
self.go_to_definition_of_kind(GotoDefinitionKind::Type, true, cx);
}
fn go_to_definition_of_kind(
&mut self,
kind: GotoDefinitionKind,
split: bool,
cx: &mut ViewContext<Self>,
) {
let Some(workspace) = self.workspace() else {
return;
};
let buffer = self.buffer.read(cx);
let head = self.selections.newest::<usize>(cx).head();
let (buffer, head) = if let Some(text_anchor) = buffer.text_anchor_for_position(head, cx) {
text_anchor
} else {
return;
};
let project = workspace.read(cx).project().clone();
let definitions = project.update(cx, |project, cx| match kind {
GotoDefinitionKind::Symbol => project.definition(&buffer, head, cx),
GotoDefinitionKind::Type => project.type_definition(&buffer, head, cx),
});
cx.spawn(|editor, mut cx| async move {
let definitions = definitions.await?;
editor.update(&mut cx, |editor, cx| {
editor.navigate_to_definitions(
definitions
.into_iter()
.map(GoToDefinitionLink::Text)
.collect(),
split,
cx,
);
})?;
Ok::<(), anyhow::Error>(())
})
.detach_and_log_err(cx);
}
pub fn navigate_to_definitions(
&mut self,
mut definitions: Vec<GoToDefinitionLink>,
split: bool,
cx: &mut ViewContext<Editor>,
) {
let Some(workspace) = self.workspace() else {
return;
};
let pane = workspace.read(cx).active_pane().clone();
if definitions.len() == 1 {
let definition = definitions.pop().unwrap();
let target_task = match definition {
GoToDefinitionLink::Text(link) => Task::Ready(Some(Ok(Some(link.target)))),
GoToDefinitionLink::InlayHint(lsp_location, server_id) => {
self.compute_target_location(lsp_location, server_id, cx)
}
};
cx.spawn(|editor, mut cx| async move {
let target = target_task.await.context("target resolution task")?;
if let Some(target) = target {
editor.update(&mut cx, |editor, cx| {
let range = target.range.to_offset(target.buffer.read(cx));
let range = editor.range_for_match(&range);
if Some(&target.buffer) == editor.buffer.read(cx).as_singleton().as_ref() {
editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
s.select_ranges([range]);
});
} else {
cx.window_context().defer(move |cx| {
let target_editor: View<Self> =
workspace.update(cx, |workspace, cx| {
if split {
workspace.split_project_item(target.buffer.clone(), cx)
} else {
workspace.open_project_item(target.buffer.clone(), cx)
}
});
target_editor.update(cx, |target_editor, cx| {
pane.update(cx, |pane, _| pane.disable_history());
target_editor.change_selections(
Some(Autoscroll::fit()),
cx,
|s| {
s.select_ranges([range]);
},
);
pane.update(cx, |pane, _| pane.enable_history());
});
});
}
})
} else {
Ok(())
}
})
.detach_and_log_err(cx);
} else if !definitions.is_empty() {
let replica_id = self.replica_id(cx);
cx.spawn(|editor, mut cx| async move {
let (title, location_tasks) = editor
.update(&mut cx, |editor, cx| {
let title = definitions
.iter()
.find_map(|definition| match definition {
GoToDefinitionLink::Text(link) => {
link.origin.as_ref().map(|origin| {
let buffer = origin.buffer.read(cx);
format!(
"Definitions for {}",
buffer
.text_for_range(origin.range.clone())
.collect::<String>()
)
})
}
GoToDefinitionLink::InlayHint(_, _) => None,
})
.unwrap_or("Definitions".to_string());
let location_tasks = definitions
.into_iter()
.map(|definition| match definition {
GoToDefinitionLink::Text(link) => {
Task::Ready(Some(Ok(Some(link.target))))
}
GoToDefinitionLink::InlayHint(lsp_location, server_id) => {
editor.compute_target_location(lsp_location, server_id, cx)
}
})
.collect::<Vec<_>>();
(title, location_tasks)
})
.context("location tasks preparation")?;
let locations = futures::future::join_all(location_tasks)
.await
.into_iter()
.filter_map(|location| location.transpose())
.collect::<Result<_>>()
.context("location tasks")?;
workspace.update(&mut cx, |workspace, cx| {
Self::open_locations_in_multibuffer(
workspace, locations, replica_id, title, split, cx,
)
});
anyhow::Ok(())
})
.detach_and_log_err(cx);
}
}
fn compute_target_location(
&self,
lsp_location: lsp::Location,
server_id: LanguageServerId,
cx: &mut ViewContext<Editor>,
) -> Task<anyhow::Result<Option<Location>>> {
let Some(project) = self.project.clone() else {
return Task::Ready(Some(Ok(None)));
};
cx.spawn(move |editor, mut cx| async move {
let location_task = editor.update(&mut cx, |editor, cx| {
project.update(cx, |project, cx| {
let language_server_name =
editor.buffer.read(cx).as_singleton().and_then(|buffer| {
project
.language_server_for_buffer(buffer.read(cx), server_id, cx)
.map(|(_, lsp_adapter)| {
LanguageServerName(Arc::from(lsp_adapter.name()))
})
});
language_server_name.map(|language_server_name| {
project.open_local_buffer_via_lsp(
lsp_location.uri.clone(),
server_id,
language_server_name,
cx,
)
})
})
})?;
let location = match location_task {
Some(task) => Some({
let target_buffer_handle = task.await.context("open local buffer")?;
let range = target_buffer_handle.update(&mut cx, |target_buffer, _| {
let target_start = target_buffer
.clip_point_utf16(point_from_lsp(lsp_location.range.start), Bias::Left);
let target_end = target_buffer
.clip_point_utf16(point_from_lsp(lsp_location.range.end), Bias::Left);
target_buffer.anchor_after(target_start)
..target_buffer.anchor_before(target_end)
})?;
Location {
buffer: target_buffer_handle,
range,
}
}),
None => None,
};
Ok(location)
})
}
pub fn find_all_references(
&mut self,
_: &FindAllReferences,
cx: &mut ViewContext<Self>,
) -> Option<Task<Result<()>>> {
let buffer = self.buffer.read(cx);
let head = self.selections.newest::<usize>(cx).head();
let (buffer, head) = buffer.text_anchor_for_position(head, cx)?;
let replica_id = self.replica_id(cx);
let workspace = self.workspace()?;
let project = workspace.read(cx).project().clone();
let references = project.update(cx, |project, cx| project.references(&buffer, head, cx));
Some(cx.spawn(|_, mut cx| async move {
let locations = references.await?;
if locations.is_empty() {
return Ok(());
}
workspace.update(&mut cx, |workspace, cx| {
let title = locations
.first()
.as_ref()
.map(|location| {
let buffer = location.buffer.read(cx);
format!(
"References to `{}`",
buffer
.text_for_range(location.range.clone())
.collect::<String>()
)
})
.unwrap();
Self::open_locations_in_multibuffer(
workspace, locations, replica_id, title, false, cx,
);
})?;
Ok(())
}))
}
pub fn open_locations_in_multibuffer(
workspace: &mut Workspace,
mut locations: Vec<Location>,
replica_id: ReplicaId,
title: String,
split: bool,
cx: &mut ViewContext<Workspace>,
) {
locations.sort_by_key(|location| location.buffer.read(cx).remote_id());
let mut locations = locations.into_iter().peekable();
let mut ranges_to_highlight = Vec::new();
let excerpt_buffer = cx.build_model(|cx| {
let mut multibuffer = MultiBuffer::new(replica_id);
while let Some(location) = locations.next() {
let buffer = location.buffer.read(cx);
let mut ranges_for_buffer = Vec::new();
let range = location.range.to_offset(buffer);
ranges_for_buffer.push(range.clone());
while let Some(next_location) = locations.peek() {
if next_location.buffer == location.buffer {
ranges_for_buffer.push(next_location.range.to_offset(buffer));
locations.next();
} else {
break;
}
}
ranges_for_buffer.sort_by_key(|range| (range.start, Reverse(range.end)));
ranges_to_highlight.extend(multibuffer.push_excerpts_with_context_lines(
location.buffer.clone(),
ranges_for_buffer,
1,
cx,
))
}
multibuffer.with_title(title)
});
let editor = cx.build_view(|cx| {
Editor::for_multibuffer(excerpt_buffer, Some(workspace.project().clone()), cx)
});
editor.update(cx, |editor, cx| {
editor.highlight_background::<Self>(
ranges_to_highlight,
|theme| theme.editor_highlighted_line_background,
cx,
);
});
if split {
workspace.split_item(SplitDirection::Right, Box::new(editor), cx);
} else {
workspace.add_item(Box::new(editor), cx);
}
}
pub fn rename(&mut self, _: &Rename, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
use language::ToOffset as _;
let project = self.project.clone()?;
let selection = self.selections.newest_anchor().clone();
let (cursor_buffer, cursor_buffer_position) = self
.buffer
.read(cx)
.text_anchor_for_position(selection.head(), cx)?;
let (tail_buffer, _) = self
.buffer
.read(cx)
.text_anchor_for_position(selection.tail(), cx)?;
if tail_buffer != cursor_buffer {
return None;
}
let snapshot = cursor_buffer.read(cx).snapshot();
let cursor_buffer_offset = cursor_buffer_position.to_offset(&snapshot);
let prepare_rename = project.update(cx, |project, cx| {
project.prepare_rename(cursor_buffer, cursor_buffer_offset, cx)
});
Some(cx.spawn(|this, mut cx| async move {
let rename_range = if let Some(range) = prepare_rename.await? {
Some(range)
} else {
this.update(&mut cx, |this, cx| {
let buffer = this.buffer.read(cx).snapshot(cx);
let mut buffer_highlights = this
.document_highlights_for_position(selection.head(), &buffer)
.filter(|highlight| {
highlight.start.excerpt_id == selection.head().excerpt_id
&& highlight.end.excerpt_id == selection.head().excerpt_id
});
buffer_highlights
.next()
.map(|highlight| highlight.start.text_anchor..highlight.end.text_anchor)
})?
};
if let Some(rename_range) = rename_range {
let rename_buffer_range = rename_range.to_offset(&snapshot);
let cursor_offset_in_rename_range =
cursor_buffer_offset.saturating_sub(rename_buffer_range.start);
this.update(&mut cx, |this, cx| {
this.take_rename(false, cx);
let buffer = this.buffer.read(cx).read(cx);
let cursor_offset = selection.head().to_offset(&buffer);
let rename_start = cursor_offset.saturating_sub(cursor_offset_in_rename_range);
let rename_end = rename_start + rename_buffer_range.len();
let range = buffer.anchor_before(rename_start)..buffer.anchor_after(rename_end);
let mut old_highlight_id = None;
let old_name: Arc<str> = buffer
.chunks(rename_start..rename_end, true)
.map(|chunk| {
if old_highlight_id.is_none() {
old_highlight_id = chunk.syntax_highlight_id;
}
chunk.text
})
.collect::<String>()
.into();
drop(buffer);
this.show_local_selections = false;
let rename_editor = cx.build_view(|cx| {
let mut editor = Editor::single_line(cx);
editor.buffer.update(cx, |buffer, cx| {
buffer.edit([(0..0, old_name.clone())], None, cx)
});
editor.select_all(&SelectAll, cx);
editor
});
let ranges = this
.clear_background_highlights::<DocumentHighlightWrite>(cx)
.into_iter()
.flat_map(|(_, ranges)| ranges.into_iter())
.chain(
this.clear_background_highlights::<DocumentHighlightRead>(cx)
.into_iter()
.flat_map(|(_, ranges)| ranges.into_iter()),
)
.collect();
this.highlight_text::<Rename>(
ranges,
HighlightStyle {
fade_out: Some(0.6),
..Default::default()
},
cx,
);
let rename_focus_handle = rename_editor.focus_handle(cx);
cx.focus(&rename_focus_handle);
let block_id = this.insert_blocks(
[BlockProperties {
style: BlockStyle::Flex,
position: range.start.clone(),
height: 1,
render: Arc::new({
let rename_editor = rename_editor.clone();
move |cx: &mut BlockContext| {
let mut text_style = cx.editor_style.text.clone();
if let Some(highlight_style) = old_highlight_id
.and_then(|h| h.style(&cx.editor_style.syntax))
{
text_style = text_style.highlight(highlight_style);
}
div()
.pl(cx.anchor_x)
.child(EditorElement::new(
&rename_editor,
EditorStyle {
background: cx.theme().system().transparent,
local_player: cx.editor_style.local_player,
text: text_style,
scrollbar_width: cx.editor_style.scrollbar_width,
syntax: cx.editor_style.syntax.clone(),
diagnostic_style: cx
.editor_style
.diagnostic_style
.clone(),
},
))
.render_into_any()
}
}),
disposition: BlockDisposition::Below,
}],
Some(Autoscroll::fit()),
cx,
)[0];
this.pending_rename = Some(RenameState {
range,
old_name,
editor: rename_editor,
block_id,
});
})?;
}
Ok(())
}))
}
pub fn confirm_rename(
&mut self,
_: &ConfirmRename,
cx: &mut ViewContext<Self>,
) -> Option<Task<Result<()>>> {
let rename = self.take_rename(false, cx)?;
let workspace = self.workspace()?;
let (start_buffer, start) = self
.buffer
.read(cx)
.text_anchor_for_position(rename.range.start.clone(), cx)?;
let (end_buffer, end) = self
.buffer
.read(cx)
.text_anchor_for_position(rename.range.end.clone(), cx)?;
if start_buffer != end_buffer {
return None;
}
let buffer = start_buffer;
let range = start..end;
let old_name = rename.old_name;
let new_name = rename.editor.read(cx).text(cx);
let rename = workspace
.read(cx)
.project()
.clone()
.update(cx, |project, cx| {
project.perform_rename(buffer.clone(), range.start, new_name.clone(), true, cx)
});
let workspace = workspace.downgrade();
Some(cx.spawn(|editor, mut cx| async move {
let project_transaction = rename.await?;
Self::open_project_transaction(
&editor,
workspace,
project_transaction,
format!("Rename: {} → {}", old_name, new_name),
cx.clone(),
)
.await?;
editor.update(&mut cx, |editor, cx| {
editor.refresh_document_highlights(cx);
})?;
Ok(())
}))
}
fn take_rename(
&mut self,
moving_cursor: bool,
cx: &mut ViewContext<Self>,
) -> Option<RenameState> {
let rename = self.pending_rename.take()?;
if rename.editor.focus_handle(cx).is_focused(cx) {
cx.focus(&self.focus_handle);
}
self.remove_blocks(
[rename.block_id].into_iter().collect(),
Some(Autoscroll::fit()),
cx,
);
self.clear_highlights::<Rename>(cx);
self.show_local_selections = true;
if moving_cursor {
let rename_editor = rename.editor.read(cx);
let cursor_in_rename_editor = rename_editor.selections.newest::<usize>(cx).head();
let snapshot = self.buffer.read(cx).read(cx);
let rename_range = rename.range.to_offset(&snapshot);
let cursor_in_editor = snapshot
.clip_offset(rename_range.start + cursor_in_rename_editor, Bias::Left)
.min(rename_range.end);
drop(snapshot);
self.change_selections(None, cx, |s| {
s.select_ranges(vec![cursor_in_editor..cursor_in_editor])
});
} else {
self.refresh_document_highlights(cx);
}
Some(rename)
}
#[cfg(any(test, feature = "test-support"))]
pub fn pending_rename(&self) -> Option<&RenameState> {
self.pending_rename.as_ref()
}
fn format(&mut self, _: &Format, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
let project = match &self.project {
Some(project) => project.clone(),
None => return None,
};
Some(self.perform_format(project, FormatTrigger::Manual, cx))
}
fn perform_format(
&mut self,
project: Model<Project>,
trigger: FormatTrigger,
cx: &mut ViewContext<Self>,
) -> Task<Result<()>> {
let buffer = self.buffer().clone();
let buffers = buffer.read(cx).all_buffers();
let mut timeout = cx.background_executor().timer(FORMAT_TIMEOUT).fuse();
let format = project.update(cx, |project, cx| project.format(buffers, true, trigger, cx));
cx.spawn(|_, mut cx| async move {
let transaction = futures::select_biased! {
_ = timeout => {
log::warn!("timed out waiting for formatting");
None
}
transaction = format.log_err().fuse() => transaction,
};
buffer.update(&mut cx, |buffer, cx| {
if let Some(transaction) = transaction {
if !buffer.is_singleton() {
buffer.push_transaction(&transaction.0, cx);
}
}
cx.notify();
});
Ok(())
})
}
fn restart_language_server(&mut self, _: &RestartLanguageServer, cx: &mut ViewContext<Self>) {
if let Some(project) = self.project.clone() {
self.buffer.update(cx, |multi_buffer, cx| {
project.update(cx, |project, cx| {
project.restart_language_servers_for_buffers(multi_buffer.all_buffers(), cx);
});
})
}
}
fn show_character_palette(&mut self, _: &ShowCharacterPalette, cx: &mut ViewContext<Self>) {
cx.show_character_palette();
}
fn refresh_active_diagnostics(&mut self, cx: &mut ViewContext<Editor>) {
if let Some(active_diagnostics) = self.active_diagnostics.as_mut() {
let buffer = self.buffer.read(cx).snapshot(cx);
let primary_range_start = active_diagnostics.primary_range.start.to_offset(&buffer);
let is_valid = buffer
.diagnostics_in_range::<_, usize>(active_diagnostics.primary_range.clone(), false)
.any(|entry| {
entry.diagnostic.is_primary
&& !entry.range.is_empty()
&& entry.range.start == primary_range_start
&& entry.diagnostic.message == active_diagnostics.primary_message
});
if is_valid != active_diagnostics.is_valid {
active_diagnostics.is_valid = is_valid;
let mut new_styles = HashMap::default();
for (block_id, diagnostic) in &active_diagnostics.blocks {
new_styles.insert(
*block_id,
diagnostic_block_renderer(diagnostic.clone(), is_valid),
);
}
self.display_map
.update(cx, |display_map, _| display_map.replace_blocks(new_styles));
}
}
}
fn activate_diagnostics(&mut self, group_id: usize, cx: &mut ViewContext<Self>) -> bool {
self.dismiss_diagnostics(cx);
self.active_diagnostics = self.display_map.update(cx, |display_map, cx| {
let buffer = self.buffer.read(cx).snapshot(cx);
let mut primary_range = None;
let mut primary_message = None;
let mut group_end = Point::zero();
let diagnostic_group = buffer
.diagnostic_group::<Point>(group_id)
.map(|entry| {
if entry.range.end > group_end {
group_end = entry.range.end;
}
if entry.diagnostic.is_primary {
primary_range = Some(entry.range.clone());
primary_message = Some(entry.diagnostic.message.clone());
}
entry
})
.collect::<Vec<_>>();
let primary_range = primary_range?;
let primary_message = primary_message?;
let primary_range =
buffer.anchor_after(primary_range.start)..buffer.anchor_before(primary_range.end);
let blocks = display_map
.insert_blocks(
diagnostic_group.iter().map(|entry| {
let diagnostic = entry.diagnostic.clone();
let message_height = diagnostic.message.lines().count() as u8;
BlockProperties {
style: BlockStyle::Fixed,
position: buffer.anchor_after(entry.range.start),
height: message_height,
render: diagnostic_block_renderer(diagnostic, true),
disposition: BlockDisposition::Below,
}
}),
cx,
)
.into_iter()
.zip(diagnostic_group.into_iter().map(|entry| entry.diagnostic))
.collect();
Some(ActiveDiagnosticGroup {
primary_range,
primary_message,
blocks,
is_valid: true,
})
});
self.active_diagnostics.is_some()
}
fn dismiss_diagnostics(&mut self, cx: &mut ViewContext<Self>) {
if let Some(active_diagnostic_group) = self.active_diagnostics.take() {
self.display_map.update(cx, |display_map, cx| {
display_map.remove_blocks(active_diagnostic_group.blocks.into_keys().collect(), cx);
});
cx.notify();
}
}
pub fn set_selections_from_remote(
&mut self,
selections: Vec<Selection<Anchor>>,
pending_selection: Option<Selection<Anchor>>,
cx: &mut ViewContext<Self>,
) {
let old_cursor_position = self.selections.newest_anchor().head();
self.selections.change_with(cx, |s| {
s.select_anchors(selections);
if let Some(pending_selection) = pending_selection {
s.set_pending(pending_selection, SelectMode::Character);
} else {
s.clear_pending();
}
});
self.selections_did_change(false, &old_cursor_position, cx);
}
fn push_to_selection_history(&mut self) {
self.selection_history.push(SelectionHistoryEntry {
selections: self.selections.disjoint_anchors(),
select_next_state: self.select_next_state.clone(),
select_prev_state: self.select_prev_state.clone(),
add_selections_state: self.add_selections_state.clone(),
});
}
pub fn transact(
&mut self,
cx: &mut ViewContext<Self>,
update: impl FnOnce(&mut Self, &mut ViewContext<Self>),
) -> Option<TransactionId> {
self.start_transaction_at(Instant::now(), cx);
update(self, cx);
self.end_transaction_at(Instant::now(), cx)
}
fn start_transaction_at(&mut self, now: Instant, cx: &mut ViewContext<Self>) {
self.end_selection(cx);
if let Some(tx_id) = self
.buffer
.update(cx, |buffer, cx| buffer.start_transaction_at(now, cx))
{
self.selection_history
.insert_transaction(tx_id, self.selections.disjoint_anchors());
}
}
fn end_transaction_at(
&mut self,
now: Instant,
cx: &mut ViewContext<Self>,
) -> Option<TransactionId> {
if let Some(tx_id) = self
.buffer
.update(cx, |buffer, cx| buffer.end_transaction_at(now, cx))
{
if let Some((_, end_selections)) = self.selection_history.transaction_mut(tx_id) {
*end_selections = Some(self.selections.disjoint_anchors());
} else {
log::error!("unexpectedly ended a transaction that wasn't started by this editor");
}
cx.emit(EditorEvent::Edited);
Some(tx_id)
} else {
None
}
}
pub fn fold(&mut self, _: &Fold, cx: &mut ViewContext<Self>) {
let mut fold_ranges = Vec::new();
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let selections = self.selections.all_adjusted(cx);
for selection in selections {
let range = selection.range().sorted();
let buffer_start_row = range.start.row;
for row in (0..=range.end.row).rev() {
let fold_range = display_map.foldable_range(row);
if let Some(fold_range) = fold_range {
if fold_range.end.row >= buffer_start_row {
fold_ranges.push(fold_range);
if row <= range.start.row {
break;
}
}
}
}
}
self.fold_ranges(fold_ranges, true, cx);
}
pub fn fold_at(&mut self, fold_at: &FoldAt, cx: &mut ViewContext<Self>) {
let buffer_row = fold_at.buffer_row;
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
if let Some(fold_range) = display_map.foldable_range(buffer_row) {
let autoscroll = self
.selections
.all::<Point>(cx)
.iter()
.any(|selection| fold_range.overlaps(&selection.range()));
self.fold_ranges(std::iter::once(fold_range), autoscroll, cx);
}
}
pub fn unfold_lines(&mut self, _: &UnfoldLines, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let buffer = &display_map.buffer_snapshot;
let selections = self.selections.all::<Point>(cx);
let ranges = selections
.iter()
.map(|s| {
let range = s.display_range(&display_map).sorted();
let mut start = range.start.to_point(&display_map);
let mut end = range.end.to_point(&display_map);
start.column = 0;
end.column = buffer.line_len(end.row);
start..end
})
.collect::<Vec<_>>();
self.unfold_ranges(ranges, true, true, cx);
}
pub fn unfold_at(&mut self, unfold_at: &UnfoldAt, cx: &mut ViewContext<Self>) {
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let intersection_range = Point::new(unfold_at.buffer_row, 0)
..Point::new(
unfold_at.buffer_row,
display_map.buffer_snapshot.line_len(unfold_at.buffer_row),
);
let autoscroll = self
.selections
.all::<Point>(cx)
.iter()
.any(|selection| selection.range().overlaps(&intersection_range));
self.unfold_ranges(std::iter::once(intersection_range), true, autoscroll, cx)
}
pub fn fold_selected_ranges(&mut self, _: &FoldSelectedRanges, cx: &mut ViewContext<Self>) {
let selections = self.selections.all::<Point>(cx);
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
let line_mode = self.selections.line_mode;
let ranges = selections.into_iter().map(|s| {
if line_mode {
let start = Point::new(s.start.row, 0);
let end = Point::new(s.end.row, display_map.buffer_snapshot.line_len(s.end.row));
start..end
} else {
s.start..s.end
}
});
self.fold_ranges(ranges, true, cx);
}
pub fn fold_ranges<T: ToOffset + Clone>(
&mut self,
ranges: impl IntoIterator<Item = Range<T>>,
auto_scroll: bool,
cx: &mut ViewContext<Self>,
) {
let mut ranges = ranges.into_iter().peekable();
if ranges.peek().is_some() {
self.display_map.update(cx, |map, cx| map.fold(ranges, cx));
if auto_scroll {
self.request_autoscroll(Autoscroll::fit(), cx);
}
cx.notify();
}
}
pub fn unfold_ranges<T: ToOffset + Clone>(
&mut self,
ranges: impl IntoIterator<Item = Range<T>>,
inclusive: bool,
auto_scroll: bool,
cx: &mut ViewContext<Self>,
) {
let mut ranges = ranges.into_iter().peekable();
if ranges.peek().is_some() {
self.display_map
.update(cx, |map, cx| map.unfold(ranges, inclusive, cx));
if auto_scroll {
self.request_autoscroll(Autoscroll::fit(), cx);
}
cx.notify();
}
}
pub fn set_gutter_hovered(&mut self, hovered: bool, cx: &mut ViewContext<Self>) {
if hovered != self.gutter_hovered {
self.gutter_hovered = hovered;
cx.notify();
}
}
pub fn insert_blocks(
&mut self,
blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
autoscroll: Option<Autoscroll>,
cx: &mut ViewContext<Self>,
) -> Vec<BlockId> {
let blocks = self
.display_map
.update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
if let Some(autoscroll) = autoscroll {
self.request_autoscroll(autoscroll, cx);
}
blocks
}
pub fn replace_blocks(
&mut self,
blocks: HashMap<BlockId, RenderBlock>,
autoscroll: Option<Autoscroll>,
cx: &mut ViewContext<Self>,
) {
self.display_map
.update(cx, |display_map, _| display_map.replace_blocks(blocks));
if let Some(autoscroll) = autoscroll {
self.request_autoscroll(autoscroll, cx);
}
}
pub fn remove_blocks(
&mut self,
block_ids: HashSet<BlockId>,
autoscroll: Option<Autoscroll>,
cx: &mut ViewContext<Self>,
) {
self.display_map.update(cx, |display_map, cx| {
display_map.remove_blocks(block_ids, cx)
});
if let Some(autoscroll) = autoscroll {
self.request_autoscroll(autoscroll, cx);
}
}
pub fn longest_row(&self, cx: &mut AppContext) -> u32 {
self.display_map
.update(cx, |map, cx| map.snapshot(cx))
.longest_row()
}
pub fn max_point(&self, cx: &mut AppContext) -> DisplayPoint {
self.display_map
.update(cx, |map, cx| map.snapshot(cx))
.max_point()
}
pub fn text(&self, cx: &AppContext) -> String {
self.buffer.read(cx).read(cx).text()
}
pub fn set_text(&mut self, text: impl Into<Arc<str>>, cx: &mut ViewContext<Self>) {
self.transact(cx, |this, cx| {
this.buffer
.read(cx)
.as_singleton()
.expect("you can only call set_text on editors for singleton buffers")
.update(cx, |buffer, cx| buffer.set_text(text, cx));
});
}
pub fn display_text(&self, cx: &mut AppContext) -> String {
self.display_map
.update(cx, |map, cx| map.snapshot(cx))
.text()
}
pub fn wrap_guides(&self, cx: &AppContext) -> SmallVec<[(usize, bool); 2]> {
let mut wrap_guides = smallvec::smallvec![];
if self.show_wrap_guides == Some(false) {
return wrap_guides;
}
let settings = self.buffer.read(cx).settings_at(0, cx);
if settings.show_wrap_guides {
if let SoftWrap::Column(soft_wrap) = self.soft_wrap_mode(cx) {
wrap_guides.push((soft_wrap as usize, true));
}
wrap_guides.extend(settings.wrap_guides.iter().map(|guide| (*guide, false)))
}
wrap_guides
}
pub fn soft_wrap_mode(&self, cx: &AppContext) -> SoftWrap {
let settings = self.buffer.read(cx).settings_at(0, cx);
let mode = self
.soft_wrap_mode_override
.unwrap_or_else(|| settings.soft_wrap);
match mode {
language_settings::SoftWrap::None => SoftWrap::None,
language_settings::SoftWrap::EditorWidth => SoftWrap::EditorWidth,
language_settings::SoftWrap::PreferredLineLength => {
SoftWrap::Column(settings.preferred_line_length)
}
}
}
pub fn set_soft_wrap_mode(
&mut self,
mode: language_settings::SoftWrap,
cx: &mut ViewContext<Self>,
) {
self.soft_wrap_mode_override = Some(mode);
cx.notify();
}
pub fn set_wrap_width(&self, width: Option<Pixels>, cx: &mut AppContext) -> bool {
self.display_map
.update(cx, |map, cx| map.set_wrap_width(width, cx))
}
pub fn toggle_soft_wrap(&mut self, _: &ToggleSoftWrap, cx: &mut ViewContext<Self>) {
if self.soft_wrap_mode_override.is_some() {
self.soft_wrap_mode_override.take();
} else {
let soft_wrap = match self.soft_wrap_mode(cx) {
SoftWrap::None => language_settings::SoftWrap::EditorWidth,
SoftWrap::EditorWidth | SoftWrap::Column(_) => language_settings::SoftWrap::None,
};
self.soft_wrap_mode_override = Some(soft_wrap);
}
cx.notify();
}
pub fn set_show_gutter(&mut self, show_gutter: bool, cx: &mut ViewContext<Self>) {
self.show_gutter = show_gutter;
cx.notify();
}
pub fn set_show_wrap_guides(&mut self, show_gutter: bool, cx: &mut ViewContext<Self>) {
self.show_wrap_guides = Some(show_gutter);
cx.notify();
}
pub fn reveal_in_finder(&mut self, _: &RevealInFinder, cx: &mut ViewContext<Self>) {
if let Some(buffer) = self.buffer().read(cx).as_singleton() {
if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
cx.reveal_path(&file.abs_path(cx));
}
}
}
pub fn copy_path(&mut self, _: &CopyPath, cx: &mut ViewContext<Self>) {
if let Some(buffer) = self.buffer().read(cx).as_singleton() {
if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
if let Some(path) = file.abs_path(cx).to_str() {
cx.write_to_clipboard(ClipboardItem::new(path.to_string()));
}
}
}
}
pub fn copy_relative_path(&mut self, _: &CopyRelativePath, cx: &mut ViewContext<Self>) {
if let Some(buffer) = self.buffer().read(cx).as_singleton() {
if let Some(file) = buffer.read(cx).file().and_then(|f| f.as_local()) {
if let Some(path) = file.path().to_str() {
cx.write_to_clipboard(ClipboardItem::new(path.to_string()));
}
}
}
}
pub fn highlight_rows(&mut self, rows: Option<Range<u32>>) {
self.highlighted_rows = rows;
}
pub fn highlighted_rows(&self) -> Option<Range<u32>> {
self.highlighted_rows.clone()
}
pub fn highlight_background<T: 'static>(
&mut self,
ranges: Vec<Range<Anchor>>,
color_fetcher: fn(&ThemeColors) -> Hsla,
cx: &mut ViewContext<Self>,
) {
self.background_highlights
.insert(TypeId::of::<T>(), (color_fetcher, ranges));
cx.notify();
}
pub fn highlight_inlay_background<T: 'static>(
&mut self,
ranges: Vec<InlayHighlight>,
color_fetcher: fn(&ThemeColors) -> Hsla,
cx: &mut ViewContext<Self>,
) {
self.inlay_background_highlights
.insert(Some(TypeId::of::<T>()), (color_fetcher, ranges));
cx.notify();
}
pub fn clear_background_highlights<T: 'static>(
&mut self,
cx: &mut ViewContext<Self>,
) -> Option<BackgroundHighlight> {
let text_highlights = self.background_highlights.remove(&TypeId::of::<T>());
let inlay_highlights = self
.inlay_background_highlights
.remove(&Some(TypeId::of::<T>()));
if text_highlights.is_some() || inlay_highlights.is_some() {
cx.notify();
}
text_highlights
}
#[cfg(feature = "test-support")]
pub fn all_text_background_highlights(
&mut self,
cx: &mut ViewContext<Self>,
) -> Vec<(Range<DisplayPoint>, Hsla)> {
let snapshot = self.snapshot(cx);
let buffer = &snapshot.buffer_snapshot;
let start = buffer.anchor_before(0);
let end = buffer.anchor_after(buffer.len());
let theme = cx.theme().colors();
self.background_highlights_in_range(start..end, &snapshot, theme)
}
fn document_highlights_for_position<'a>(
&'a self,
position: Anchor,
buffer: &'a MultiBufferSnapshot,
) -> impl 'a + Iterator<Item = &Range<Anchor>> {
let read_highlights = self
.background_highlights
.get(&TypeId::of::<DocumentHighlightRead>())
.map(|h| &h.1);
let write_highlights = self
.background_highlights
.get(&TypeId::of::<DocumentHighlightWrite>())
.map(|h| &h.1);
let left_position = position.bias_left(buffer);
let right_position = position.bias_right(buffer);
read_highlights
.into_iter()
.chain(write_highlights)
.flat_map(move |ranges| {
let start_ix = match ranges.binary_search_by(|probe| {
let cmp = probe.end.cmp(&left_position, buffer);
if cmp.is_ge() {
Ordering::Greater
} else {
Ordering::Less
}
}) {
Ok(i) | Err(i) => i,
};
let right_position = right_position.clone();
ranges[start_ix..]
.iter()
.take_while(move |range| range.start.cmp(&right_position, buffer).is_le())
})
}
pub fn background_highlights_in_range(
&self,
search_range: Range<Anchor>,
display_snapshot: &DisplaySnapshot,
theme: &ThemeColors,
) -> Vec<(Range<DisplayPoint>, Hsla)> {
let mut results = Vec::new();
for (color_fetcher, ranges) in self.background_highlights.values() {
let color = color_fetcher(theme);
let start_ix = match ranges.binary_search_by(|probe| {
let cmp = probe
.end
.cmp(&search_range.start, &display_snapshot.buffer_snapshot);
if cmp.is_gt() {
Ordering::Greater
} else {
Ordering::Less
}
}) {
Ok(i) | Err(i) => i,
};
for range in &ranges[start_ix..] {
if range
.start
.cmp(&search_range.end, &display_snapshot.buffer_snapshot)
.is_ge()
{
break;
}
let start = range.start.to_display_point(&display_snapshot);
let end = range.end.to_display_point(&display_snapshot);
results.push((start..end, color))
}
}
results
}
pub fn background_highlight_row_ranges<T: 'static>(
&self,
search_range: Range<Anchor>,
display_snapshot: &DisplaySnapshot,
count: usize,
) -> Vec<RangeInclusive<DisplayPoint>> {
let mut results = Vec::new();
let Some((_, ranges)) = self.background_highlights.get(&TypeId::of::<T>()) else {
return vec![];
};
let start_ix = match ranges.binary_search_by(|probe| {
let cmp = probe
.end
.cmp(&search_range.start, &display_snapshot.buffer_snapshot);
if cmp.is_gt() {
Ordering::Greater
} else {
Ordering::Less
}
}) {
Ok(i) | Err(i) => i,
};
let mut push_region = |start: Option<Point>, end: Option<Point>| {
if let (Some(start_display), Some(end_display)) = (start, end) {
results.push(
start_display.to_display_point(display_snapshot)
..=end_display.to_display_point(display_snapshot),
);
}
};
let mut start_row: Option<Point> = None;
let mut end_row: Option<Point> = None;
if ranges.len() > count {
return Vec::new();
}
for range in &ranges[start_ix..] {
if range
.start
.cmp(&search_range.end, &display_snapshot.buffer_snapshot)
.is_ge()
{
break;
}
let end = range.end.to_point(&display_snapshot.buffer_snapshot);
if let Some(current_row) = &end_row {
if end.row == current_row.row {
continue;
}
}
let start = range.start.to_point(&display_snapshot.buffer_snapshot);
if start_row.is_none() {
assert_eq!(end_row, None);
start_row = Some(start);
end_row = Some(end);
continue;
}
if let Some(current_end) = end_row.as_mut() {
if start.row > current_end.row + 1 {
push_region(start_row, end_row);
start_row = Some(start);
end_row = Some(end);
} else {
*current_end = end;
}
} else {
unreachable!();
}
}
push_region(start_row, end_row);
results
}
pub fn highlight_text<T: 'static>(
&mut self,
ranges: Vec<Range<Anchor>>,
style: HighlightStyle,
cx: &mut ViewContext<Self>,
) {
self.display_map.update(cx, |map, _| {
map.highlight_text(TypeId::of::<T>(), ranges, style)
});
cx.notify();
}
pub fn highlight_inlays<T: 'static>(
&mut self,
highlights: Vec<InlayHighlight>,
style: HighlightStyle,
cx: &mut ViewContext<Self>,
) {
self.display_map.update(cx, |map, _| {
map.highlight_inlays(TypeId::of::<T>(), highlights, style)
});
cx.notify();
}
pub fn text_highlights<'a, T: 'static>(
&'a self,
cx: &'a AppContext,
) -> Option<(HighlightStyle, &'a [Range<Anchor>])> {
self.display_map.read(cx).text_highlights(TypeId::of::<T>())
}
pub fn clear_highlights<T: 'static>(&mut self, cx: &mut ViewContext<Self>) {
let cleared = self
.display_map
.update(cx, |map, _| map.clear_highlights(TypeId::of::<T>()));
if cleared {
cx.notify();
}
}
pub fn show_local_cursors(&self, cx: &WindowContext) -> bool {
self.blink_manager.read(cx).visible() && self.focus_handle.is_focused(cx)
}
fn on_buffer_changed(&mut self, _: Model<MultiBuffer>, cx: &mut ViewContext<Self>) {
cx.notify();
}
fn on_buffer_event(
&mut self,
multibuffer: Model<MultiBuffer>,
event: &multi_buffer::Event,
cx: &mut ViewContext<Self>,
) {
match event {
multi_buffer::Event::Edited {
sigleton_buffer_edited,
} => {
self.refresh_active_diagnostics(cx);
self.refresh_code_actions(cx);
if self.has_active_copilot_suggestion(cx) {
self.update_visible_copilot_suggestion(cx);
}
cx.emit(EditorEvent::BufferEdited);
cx.emit(ItemEvent::Edit);
cx.emit(ItemEvent::UpdateBreadcrumbs);
cx.emit(SearchEvent::MatchesInvalidated);
if *sigleton_buffer_edited {
if let Some(project) = &self.project {
let project = project.read(cx);
let languages_affected = multibuffer
.read(cx)
.all_buffers()
.into_iter()
.filter_map(|buffer| {
let buffer = buffer.read(cx);
let language = buffer.language()?;
if project.is_local()
&& project.language_servers_for_buffer(buffer, cx).count() == 0
{
None
} else {
Some(language)
}
})
.cloned()
.collect::<HashSet<_>>();
if !languages_affected.is_empty() {
self.refresh_inlay_hints(
InlayHintRefreshReason::BufferEdited(languages_affected),
cx,
);
}
}
}
}
multi_buffer::Event::ExcerptsAdded {
buffer,
predecessor,
excerpts,
} => {
cx.emit(EditorEvent::ExcerptsAdded {
buffer: buffer.clone(),
predecessor: *predecessor,
excerpts: excerpts.clone(),
});
self.refresh_inlay_hints(InlayHintRefreshReason::NewLinesShown, cx);
}
multi_buffer::Event::ExcerptsRemoved { ids } => {
self.refresh_inlay_hints(InlayHintRefreshReason::ExcerptsRemoved(ids.clone()), cx);
cx.emit(EditorEvent::ExcerptsRemoved { ids: ids.clone() })
}
multi_buffer::Event::Reparsed => {
cx.emit(ItemEvent::UpdateBreadcrumbs);
}
multi_buffer::Event::DirtyChanged => {
cx.emit(ItemEvent::UpdateTab);
}
multi_buffer::Event::Saved
| multi_buffer::Event::FileHandleChanged
| multi_buffer::Event::Reloaded => {
cx.emit(ItemEvent::UpdateTab);
cx.emit(ItemEvent::UpdateBreadcrumbs);
}
multi_buffer::Event::DiffBaseChanged => cx.emit(EditorEvent::DiffBaseChanged),
multi_buffer::Event::Closed => cx.emit(ItemEvent::CloseItem),
multi_buffer::Event::DiagnosticsUpdated => {
self.refresh_active_diagnostics(cx);
}
_ => {}
};
}
fn on_display_map_changed(&mut self, _: Model<DisplayMap>, cx: &mut ViewContext<Self>) {
cx.notify();
}
fn settings_changed(&mut self, cx: &mut ViewContext<Self>) {
self.refresh_copilot_suggestions(true, cx);
self.refresh_inlay_hints(
InlayHintRefreshReason::SettingsChange(inlay_hint_settings(
self.selections.newest_anchor().head(),
&self.buffer.read(cx).snapshot(cx),
cx,
)),
cx,
);
}
fn jump(
&mut self,
path: ProjectPath,
position: Point,
anchor: language::Anchor,
cx: &mut ViewContext<Self>,
) {
let workspace = self.workspace();
cx.spawn(|_, mut cx| async move {
let workspace = workspace.ok_or_else(|| anyhow!("cannot jump without workspace"))?;
let editor = workspace.update(&mut cx, |workspace, cx| {
workspace.open_path(path, None, true, cx)
})?;
let editor = editor
.await?
.downcast::<Editor>()
.ok_or_else(|| anyhow!("opened item was not an editor"))?
.downgrade();
editor.update(&mut cx, |editor, cx| {
let buffer = editor
.buffer()
.read(cx)
.as_singleton()
.ok_or_else(|| anyhow!("cannot jump in a multi-buffer"))?;
let buffer = buffer.read(cx);
let cursor = if buffer.can_resolve(&anchor) {
language::ToPoint::to_point(&anchor, buffer)
} else {
buffer.clip_point(position, Bias::Left)
};
let nav_history = editor.nav_history.take();
editor.change_selections(Some(Autoscroll::newest()), cx, |s| {
s.select_ranges([cursor..cursor]);
});
editor.nav_history = nav_history;
anyhow::Ok(())
})??;
anyhow::Ok(())
})
.detach_and_log_err(cx);
}
fn marked_text_ranges(&self, cx: &AppContext) -> Option<Vec<Range<OffsetUtf16>>> {
let snapshot = self.buffer.read(cx).read(cx);
let (_, ranges) = self.text_highlights::<InputComposition>(cx)?;
Some(
ranges
.iter()
.map(move |range| {
range.start.to_offset_utf16(&snapshot)..range.end.to_offset_utf16(&snapshot)
})
.collect(),
)
}
fn selection_replacement_ranges(
&self,
range: Range<OffsetUtf16>,
cx: &AppContext,
) -> Vec<Range<OffsetUtf16>> {
let selections = self.selections.all::<OffsetUtf16>(cx);
let newest_selection = selections
.iter()
.max_by_key(|selection| selection.id)
.unwrap();
let start_delta = range.start.0 as isize - newest_selection.start.0 as isize;
let end_delta = range.end.0 as isize - newest_selection.end.0 as isize;
let snapshot = self.buffer.read(cx).read(cx);
selections
.into_iter()
.map(|mut selection| {
selection.start.0 =
(selection.start.0 as isize).saturating_add(start_delta) as usize;
selection.end.0 = (selection.end.0 as isize).saturating_add(end_delta) as usize;
snapshot.clip_offset_utf16(selection.start, Bias::Left)
..snapshot.clip_offset_utf16(selection.end, Bias::Right)
})
.collect()
}
fn report_copilot_event(
&self,
suggestion_id: Option<String>,
suggestion_accepted: bool,
cx: &AppContext,
) {
let Some(project) = &self.project else { return };
let file_extension = self
.buffer
.read(cx)
.as_singleton()
.and_then(|b| b.read(cx).file())
.and_then(|file| Path::new(file.file_name(cx)).extension())
.and_then(|e| e.to_str())
.map(|a| a.to_string());
let telemetry = project.read(cx).client().telemetry().clone();
let telemetry_settings = *TelemetrySettings::get_global(cx);
telemetry.report_copilot_event(
telemetry_settings,
suggestion_id,
suggestion_accepted,
file_extension,
)
}
#[cfg(any(test, feature = "test-support"))]
fn report_editor_event(
&self,
_operation: &'static str,
_file_extension: Option<String>,
_cx: &AppContext,
) {
}
#[cfg(not(any(test, feature = "test-support")))]
fn report_editor_event(
&self,
operation: &'static str,
file_extension: Option<String>,
cx: &AppContext,
) {
let Some(project) = &self.project else { return };
let file = self
.buffer
.read(cx)
.as_singleton()
.and_then(|b| b.read(cx).file());
let file_extension = file_extension.or(file
.as_ref()
.and_then(|file| Path::new(file.file_name(cx)).extension())
.and_then(|e| e.to_str())
.map(|a| a.to_string()));
let vim_mode = cx
.global::<SettingsStore>()
.raw_user_settings()
.get("vim_mode")
== Some(&serde_json::Value::Bool(true));
let telemetry_settings = *TelemetrySettings::get_global(cx);
let copilot_enabled = all_language_settings(file, cx).copilot_enabled(None, None);
let copilot_enabled_for_language = self
.buffer
.read(cx)
.settings_at(0, cx)
.show_copilot_suggestions;
let telemetry = project.read(cx).client().telemetry().clone();
telemetry.report_editor_event(
telemetry_settings,
file_extension,
vim_mode,
operation,
copilot_enabled,
copilot_enabled_for_language,
)
}
fn copy_highlight_json(&mut self, _: &CopyHighlightJson, cx: &mut ViewContext<Self>) {
let Some(buffer) = self.buffer.read(cx).as_singleton() else {
return;
};
#[derive(Serialize)]
struct Chunk<'a> {
text: String,
highlight: Option<&'a str>,
}
let snapshot = buffer.read(cx).snapshot();
let range = self
.selected_text_range(cx)
.and_then(|selected_range| {
if selected_range.is_empty() {
None
} else {
Some(selected_range)
}
})
.unwrap_or_else(|| 0..snapshot.len());
let chunks = snapshot.chunks(range, true);
let mut lines = Vec::new();
let mut line: VecDeque<Chunk> = VecDeque::new();
let Some(style) = self.style.as_ref() else {
return;
};
for chunk in chunks {
let highlight = chunk
.syntax_highlight_id
.and_then(|id| id.name(&style.syntax));
let mut chunk_lines = chunk.text.split("\n").peekable();
while let Some(text) = chunk_lines.next() {
let mut merged_with_last_token = false;
if let Some(last_token) = line.back_mut() {
if last_token.highlight == highlight {
last_token.text.push_str(text);
merged_with_last_token = true;
}
}
if !merged_with_last_token {
line.push_back(Chunk {
text: text.into(),
highlight,
});
}
if chunk_lines.peek().is_some() {
if line.len() > 1 && line.front().unwrap().text.is_empty() {
line.pop_front();
}
if line.len() > 1 && line.back().unwrap().text.is_empty() {
line.pop_back();
}
lines.push(mem::take(&mut line));
}
}
}
let Some(lines) = serde_json::to_string_pretty(&lines).log_err() else {
return;
};
cx.write_to_clipboard(ClipboardItem::new(lines));
}
pub fn inlay_hint_cache(&self) -> &InlayHintCache {
&self.inlay_hint_cache
}
pub fn replay_insert_event(
&mut self,
text: &str,
relative_utf16_range: Option<Range<isize>>,
cx: &mut ViewContext<Self>,
) {
if !self.input_enabled {
cx.emit(EditorEvent::InputIgnored { text: text.into() });
return;
}
if let Some(relative_utf16_range) = relative_utf16_range {
let selections = self.selections.all::<OffsetUtf16>(cx);
self.change_selections(None, cx, |s| {
let new_ranges = selections.into_iter().map(|range| {
let start = OffsetUtf16(
range
.head()
.0
.saturating_add_signed(relative_utf16_range.start),
);
let end = OffsetUtf16(
range
.head()
.0
.saturating_add_signed(relative_utf16_range.end),
);
start..end
});
s.select_ranges(new_ranges);
});
}
self.handle_input(text, cx);
}
pub fn supports_inlay_hints(&self, cx: &AppContext) -> bool {
let Some(project) = self.project.as_ref() else {
return false;
};
let project = project.read(cx);
let mut supports = false;
self.buffer().read(cx).for_each_buffer(|buffer| {
if !supports {
supports = project
.language_servers_for_buffer(buffer.read(cx), cx)
.any(
|(_, server)| match server.capabilities().inlay_hint_provider {
Some(lsp::OneOf::Left(enabled)) => enabled,
Some(lsp::OneOf::Right(_)) => true,
None => false,
},
)
}
});
supports
}
pub fn focus(&self, cx: &mut WindowContext) {
cx.focus(&self.focus_handle)
}
pub fn is_focused(&self, cx: &WindowContext) -> bool {
self.focus_handle.is_focused(cx)
}
fn handle_focus(&mut self, cx: &mut ViewContext<Self>) {
cx.emit(EditorEvent::Focused);
if let Some(rename) = self.pending_rename.as_ref() {
let rename_editor_focus_handle = rename.editor.read(cx).focus_handle.clone();
cx.focus(&rename_editor_focus_handle);
} else {
self.blink_manager.update(cx, BlinkManager::enable);
self.buffer.update(cx, |buffer, cx| {
buffer.finalize_last_transaction(cx);
if self.leader_peer_id.is_none() {
buffer.set_active_selections(
&self.selections.disjoint_anchors(),
self.selections.line_mode,
self.cursor_shape,
cx,
);
}
});
}
}
fn handle_blur(&mut self, cx: &mut ViewContext<Self>) {
self.blink_manager.update(cx, BlinkManager::disable);
self.buffer
.update(cx, |buffer, cx| buffer.remove_active_selections(cx));
self.hide_context_menu(cx);
hide_hover(self, cx);
cx.emit(EditorEvent::Blurred);
cx.notify();
}
}
pub trait CollaborationHub {
fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator>;
fn user_participant_indices<'a>(
&self,
cx: &'a AppContext,
) -> &'a HashMap<u64, ParticipantIndex>;
}
impl CollaborationHub for Model<Project> {
fn collaborators<'a>(&self, cx: &'a AppContext) -> &'a HashMap<PeerId, Collaborator> {
self.read(cx).collaborators()
}
fn user_participant_indices<'a>(
&self,
cx: &'a AppContext,
) -> &'a HashMap<u64, ParticipantIndex> {
self.read(cx).user_store().read(cx).participant_indices()
}
}
fn inlay_hint_settings(
location: Anchor,
snapshot: &MultiBufferSnapshot,
cx: &mut ViewContext<'_, Editor>,
) -> InlayHintSettings {
let file = snapshot.file_at(location);
let language = snapshot.language_at(location);
let settings = all_language_settings(file, cx);
settings
.language(language.map(|l| l.name()).as_deref())
.inlay_hints
}
fn consume_contiguous_rows(
contiguous_row_selections: &mut Vec<Selection<Point>>,
selection: &Selection<Point>,
display_map: &DisplaySnapshot,
selections: &mut std::iter::Peekable<std::slice::Iter<Selection<Point>>>,
) -> (u32, u32) {
contiguous_row_selections.push(selection.clone());
let start_row = selection.start.row;
let mut end_row = ending_row(selection, display_map);
while let Some(next_selection) = selections.peek() {
if next_selection.start.row <= end_row {
end_row = ending_row(next_selection, display_map);
contiguous_row_selections.push(selections.next().unwrap().clone());
} else {
break;
}
}
(start_row, end_row)
}
fn ending_row(next_selection: &Selection<Point>, display_map: &DisplaySnapshot) -> u32 {
if next_selection.end.column > 0 || next_selection.is_empty() {
display_map.next_line_boundary(next_selection.end).0.row + 1
} else {
next_selection.end.row
}
}
impl EditorSnapshot {
pub fn remote_selections_in_range<'a>(
&'a self,
range: &'a Range<Anchor>,
collaboration_hub: &dyn CollaborationHub,
cx: &'a AppContext,
) -> impl 'a + Iterator<Item = RemoteSelection> {
let participant_indices = collaboration_hub.user_participant_indices(cx);
let collaborators_by_peer_id = collaboration_hub.collaborators(cx);
let collaborators_by_replica_id = collaborators_by_peer_id
.iter()
.map(|(_, collaborator)| (collaborator.replica_id, collaborator))
.collect::<HashMap<_, _>>();
self.buffer_snapshot
.remote_selections_in_range(range)
.filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
let collaborator = collaborators_by_replica_id.get(&replica_id)?;
let participant_index = participant_indices.get(&collaborator.user_id).copied();
Some(RemoteSelection {
replica_id,
selection,
cursor_shape,
line_mode,
participant_index,
peer_id: collaborator.peer_id,
})
})
}
pub fn language_at<T: ToOffset>(&self, position: T) -> Option<&Arc<Language>> {
self.display_snapshot.buffer_snapshot.language_at(position)
}
pub fn is_focused(&self) -> bool {
self.is_focused
}
pub fn placeholder_text(&self) -> Option<&Arc<str>> {
self.placeholder_text.as_ref()
}
pub fn scroll_position(&self) -> gpui::Point<f32> {
self.scroll_anchor.scroll_position(&self.display_snapshot)
}
}
impl Deref for EditorSnapshot {
type Target = DisplaySnapshot;
fn deref(&self) -> &Self::Target {
&self.display_snapshot
}
}
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum EditorEvent {
InputIgnored {
text: Arc<str>,
},
InputHandled {
utf16_range_to_replace: Option<Range<isize>>,
text: Arc<str>,
},
ExcerptsAdded {
buffer: Model<Buffer>,
predecessor: ExcerptId,
excerpts: Vec<(ExcerptId, ExcerptRange<language::Anchor>)>,
},
ExcerptsRemoved {
ids: Vec<ExcerptId>,
},
BufferEdited,
Edited,
Reparsed,
Focused,
Blurred,
DirtyChanged,
Saved,
TitleChanged,
DiffBaseChanged,
SelectionsChanged {
local: bool,
},
ScrollPositionChanged {
local: bool,
autoscroll: bool,
},
Closed,
}
pub struct EditorFocused(pub View<Editor>);
pub struct EditorBlurred(pub View<Editor>);
pub struct EditorReleased(pub WeakView<Editor>);
impl EventEmitter<EditorEvent> for Editor {}
impl FocusableView for Editor {
fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
self.focus_handle.clone()
}
}
impl Render for Editor {
type Element = EditorElement;
fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
let settings = ThemeSettings::get_global(cx);
let text_style = match self.mode {
EditorMode::SingleLine => TextStyle {
color: cx.theme().colors().text,
font_family: settings.ui_font.family.clone(),
font_features: settings.ui_font.features,
font_size: rems(0.875).into(),
font_weight: FontWeight::NORMAL,
font_style: FontStyle::Normal,
line_height: relative(1.).into(),
underline: None,
},
EditorMode::AutoHeight { max_lines } => todo!(),
EditorMode::Full => TextStyle {
color: cx.theme().colors().text,
font_family: settings.buffer_font.family.clone(),
font_features: settings.buffer_font.features,
font_size: settings.buffer_font_size.into(),
font_weight: FontWeight::NORMAL,
font_style: FontStyle::Normal,
line_height: relative(settings.buffer_line_height.value()),
underline: None,
},
};
let background = match self.mode {
EditorMode::SingleLine => cx.theme().system().transparent,
EditorMode::AutoHeight { max_lines } => cx.theme().system().transparent,
EditorMode::Full => cx.theme().colors().editor_background,
};
EditorElement::new(
cx.view(),
EditorStyle {
background,
local_player: cx.theme().players().local(),
text: text_style,
scrollbar_width: px(12.),
syntax: cx.theme().syntax().clone(),
diagnostic_style: cx.theme().diagnostic_style(),
},
)
}
}
impl InputHandler for Editor {
fn text_for_range(
&mut self,
range_utf16: Range<usize>,
cx: &mut ViewContext<Self>,
) -> Option<String> {
Some(
self.buffer
.read(cx)
.read(cx)
.text_for_range(OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end))
.collect(),
)
}
fn selected_text_range(&mut self, cx: &mut ViewContext<Self>) -> Option<Range<usize>> {
if !self.input_enabled {
return None;
}
let range = self.selections.newest::<OffsetUtf16>(cx).range();
Some(range.start.0..range.end.0)
}
fn marked_text_range(&self, cx: &mut ViewContext<Self>) -> Option<Range<usize>> {
let snapshot = self.buffer.read(cx).read(cx);
let range = self.text_highlights::<InputComposition>(cx)?.1.get(0)?;
Some(range.start.to_offset_utf16(&snapshot).0..range.end.to_offset_utf16(&snapshot).0)
}
fn unmark_text(&mut self, cx: &mut ViewContext<Self>) {
self.clear_highlights::<InputComposition>(cx);
self.ime_transaction.take();
}
fn replace_text_in_range(
&mut self,
range_utf16: Option<Range<usize>>,
text: &str,
cx: &mut ViewContext<Self>,
) {
if !self.input_enabled {
cx.emit(EditorEvent::InputIgnored { text: text.into() });
return;
}
self.transact(cx, |this, cx| {
let new_selected_ranges = if let Some(range_utf16) = range_utf16 {
let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
Some(this.selection_replacement_ranges(range_utf16, cx))
} else {
this.marked_text_ranges(cx)
};
let range_to_replace = new_selected_ranges.as_ref().and_then(|ranges_to_replace| {
let newest_selection_id = this.selections.newest_anchor().id;
this.selections
.all::<OffsetUtf16>(cx)
.iter()
.zip(ranges_to_replace.iter())
.find_map(|(selection, range)| {
if selection.id == newest_selection_id {
Some(
(range.start.0 as isize - selection.head().0 as isize)
..(range.end.0 as isize - selection.head().0 as isize),
)
} else {
None
}
})
});
cx.emit(EditorEvent::InputHandled {
utf16_range_to_replace: range_to_replace,
text: text.into(),
});
if let Some(new_selected_ranges) = new_selected_ranges {
this.change_selections(None, cx, |selections| {
selections.select_ranges(new_selected_ranges)
});
}
this.handle_input(text, cx);
});
if let Some(transaction) = self.ime_transaction {
self.buffer.update(cx, |buffer, cx| {
buffer.group_until_transaction(transaction, cx);
});
}
self.unmark_text(cx);
}
fn replace_and_mark_text_in_range(
&mut self,
range_utf16: Option<Range<usize>>,
text: &str,
new_selected_range_utf16: Option<Range<usize>>,
cx: &mut ViewContext<Self>,
) {
if !self.input_enabled {
cx.emit(EditorEvent::InputIgnored { text: text.into() });
return;
}
let transaction = self.transact(cx, |this, cx| {
let ranges_to_replace = if let Some(mut marked_ranges) = this.marked_text_ranges(cx) {
let snapshot = this.buffer.read(cx).read(cx);
if let Some(relative_range_utf16) = range_utf16.as_ref() {
for marked_range in &mut marked_ranges {
marked_range.end.0 = marked_range.start.0 + relative_range_utf16.end;
marked_range.start.0 += relative_range_utf16.start;
marked_range.start =
snapshot.clip_offset_utf16(marked_range.start, Bias::Left);
marked_range.end =
snapshot.clip_offset_utf16(marked_range.end, Bias::Right);
}
}
Some(marked_ranges)
} else if let Some(range_utf16) = range_utf16 {
let range_utf16 = OffsetUtf16(range_utf16.start)..OffsetUtf16(range_utf16.end);
Some(this.selection_replacement_ranges(range_utf16, cx))
} else {
None
};
let range_to_replace = ranges_to_replace.as_ref().and_then(|ranges_to_replace| {
let newest_selection_id = this.selections.newest_anchor().id;
this.selections
.all::<OffsetUtf16>(cx)
.iter()
.zip(ranges_to_replace.iter())
.find_map(|(selection, range)| {
if selection.id == newest_selection_id {
Some(
(range.start.0 as isize - selection.head().0 as isize)
..(range.end.0 as isize - selection.head().0 as isize),
)
} else {
None
}
})
});
cx.emit(EditorEvent::InputHandled {
utf16_range_to_replace: range_to_replace,
text: text.into(),
});
if let Some(ranges) = ranges_to_replace {
this.change_selections(None, cx, |s| s.select_ranges(ranges));
}
let marked_ranges = {
let snapshot = this.buffer.read(cx).read(cx);
this.selections
.disjoint_anchors()
.iter()
.map(|selection| {
selection.start.bias_left(&*snapshot)..selection.end.bias_right(&*snapshot)
})
.collect::<Vec<_>>()
};
if text.is_empty() {
this.unmark_text(cx);
} else {
this.highlight_text::<InputComposition>(
marked_ranges.clone(),
HighlightStyle::default(), cx,
);
}
this.handle_input(text, cx);
if let Some(new_selected_range) = new_selected_range_utf16 {
let snapshot = this.buffer.read(cx).read(cx);
let new_selected_ranges = marked_ranges
.into_iter()
.map(|marked_range| {
let insertion_start = marked_range.start.to_offset_utf16(&snapshot).0;
let new_start = OffsetUtf16(new_selected_range.start + insertion_start);
let new_end = OffsetUtf16(new_selected_range.end + insertion_start);
snapshot.clip_offset_utf16(new_start, Bias::Left)
..snapshot.clip_offset_utf16(new_end, Bias::Right)
})
.collect::<Vec<_>>();
drop(snapshot);
this.change_selections(None, cx, |selections| {
selections.select_ranges(new_selected_ranges)
});
}
});
self.ime_transaction = self.ime_transaction.or(transaction);
if let Some(transaction) = self.ime_transaction {
self.buffer.update(cx, |buffer, cx| {
buffer.group_until_transaction(transaction, cx);
});
}
if self.text_highlights::<InputComposition>(cx).is_none() {
self.ime_transaction.take();
}
}
fn bounds_for_range(
&mut self,
range_utf16: Range<usize>,
element_bounds: gpui::Bounds<Pixels>,
cx: &mut ViewContext<Self>,
) -> Option<gpui::Bounds<Pixels>> {
let text_layout_details = self.text_layout_details(cx);
let style = &text_layout_details.editor_style;
let font_id = cx.text_system().font_id(&style.text.font()).unwrap();
let font_size = style.text.font_size.to_pixels(cx.rem_size());
let line_height = style.text.line_height_in_pixels(cx.rem_size());
let em_width = cx
.text_system()
.typographic_bounds(font_id, font_size, 'm')
.unwrap()
.size
.width;
let snapshot = self.snapshot(cx);
let scroll_position = snapshot.scroll_position();
let scroll_left = scroll_position.x * em_width;
let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
+ self.gutter_width;
let y = line_height * (start.row() as f32 - scroll_position.y);
Some(Bounds {
origin: element_bounds.origin + point(x, y),
size: size(em_width, line_height),
})
}
}
trait SelectionExt {
fn offset_range(&self, buffer: &MultiBufferSnapshot) -> Range<usize>;
fn point_range(&self, buffer: &MultiBufferSnapshot) -> Range<Point>;
fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint>;
fn spanned_rows(&self, include_end_if_at_line_start: bool, map: &DisplaySnapshot)
-> Range<u32>;
}
impl<T: ToPoint + ToOffset> SelectionExt for Selection<T> {
fn point_range(&self, buffer: &MultiBufferSnapshot) -> Range<Point> {
let start = self.start.to_point(buffer);
let end = self.end.to_point(buffer);
if self.reversed {
end..start
} else {
start..end
}
}
fn offset_range(&self, buffer: &MultiBufferSnapshot) -> Range<usize> {
let start = self.start.to_offset(buffer);
let end = self.end.to_offset(buffer);
if self.reversed {
end..start
} else {
start..end
}
}
fn display_range(&self, map: &DisplaySnapshot) -> Range<DisplayPoint> {
let start = self
.start
.to_point(&map.buffer_snapshot)
.to_display_point(map);
let end = self
.end
.to_point(&map.buffer_snapshot)
.to_display_point(map);
if self.reversed {
end..start
} else {
start..end
}
}
fn spanned_rows(
&self,
include_end_if_at_line_start: bool,
map: &DisplaySnapshot,
) -> Range<u32> {
let start = self.start.to_point(&map.buffer_snapshot);
let mut end = self.end.to_point(&map.buffer_snapshot);
if !include_end_if_at_line_start && start.row != end.row && end.column == 0 {
end.row -= 1;
}
let buffer_start = map.prev_line_boundary(start).0;
let buffer_end = map.next_line_boundary(end).0;
buffer_start.row..buffer_end.row + 1
}
}
impl<T: InvalidationRegion> InvalidationStack<T> {
fn invalidate<S>(&mut self, selections: &[Selection<S>], buffer: &MultiBufferSnapshot)
where
S: Clone + ToOffset,
{
while let Some(region) = self.last() {
let all_selections_inside_invalidation_ranges =
if selections.len() == region.ranges().len() {
selections
.iter()
.zip(region.ranges().iter().map(|r| r.to_offset(buffer)))
.all(|(selection, invalidation_range)| {
let head = selection.head().to_offset(buffer);
invalidation_range.start <= head && invalidation_range.end >= head
})
} else {
false
};
if all_selections_inside_invalidation_ranges {
break;
} else {
self.pop();
}
}
}
}
impl<T> Default for InvalidationStack<T> {
fn default() -> Self {
Self(Default::default())
}
}
impl<T> Deref for InvalidationStack<T> {
type Target = Vec<T>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<T> DerefMut for InvalidationStack<T> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
impl InvalidationRegion for SnippetState {
fn ranges(&self) -> &[Range<Anchor>] {
&self.ranges[self.active_index]
}
}
pub fn diagnostic_block_renderer(diagnostic: Diagnostic, is_valid: bool) -> RenderBlock {
let mut highlighted_lines = Vec::new();
for (index, line) in diagnostic.message.lines().enumerate() {
let line = match &diagnostic.source {
Some(source) if index == 0 => {
let source_highlight = Vec::from_iter(0..source.len());
highlight_diagnostic_message(source_highlight, &format!("{source}: {line}"))
}
_ => highlight_diagnostic_message(Vec::new(), line),
};
highlighted_lines.push(line);
}
let message = diagnostic.message;
Arc::new(move |cx: &mut BlockContext| {
let message = message.clone();
v_stack()
.id(cx.block_id)
.size_full()
.bg(gpui::red())
.children(highlighted_lines.iter().map(|(line, highlights)| {
div()
.child(HighlightedLabel::new(line.clone(), highlights.clone()))
.ml(cx.anchor_x)
}))
.cursor_pointer()
.on_click(cx.listener(move |_, _, cx| {
cx.write_to_clipboard(ClipboardItem::new(message.clone()));
}))
.tooltip(|cx| Tooltip::text("Copy diagnostic message", cx))
.render_into_any()
})
}
pub fn highlight_diagnostic_message(
initial_highlights: Vec<usize>,
message: &str,
) -> (String, Vec<usize>) {
let mut message_without_backticks = String::new();
let mut prev_offset = 0;
let mut inside_block = false;
let mut highlights = initial_highlights;
for (match_ix, (offset, _)) in message
.match_indices('`')
.chain([(message.len(), "")])
.enumerate()
{
message_without_backticks.push_str(&message[prev_offset..offset]);
if inside_block {
highlights.extend(prev_offset - match_ix..offset - match_ix);
}
inside_block = !inside_block;
prev_offset = offset + 1;
}
(message_without_backticks, highlights)
}
pub fn diagnostic_style(
severity: DiagnosticSeverity,
valid: bool,
style: &DiagnosticStyle,
) -> Hsla {
match (severity, valid) {
(DiagnosticSeverity::ERROR, true) => style.error,
(DiagnosticSeverity::ERROR, false) => style.error,
(DiagnosticSeverity::WARNING, true) => style.warning,
(DiagnosticSeverity::WARNING, false) => style.warning,
(DiagnosticSeverity::INFORMATION, true) => style.info,
(DiagnosticSeverity::INFORMATION, false) => style.info,
(DiagnosticSeverity::HINT, true) => style.info,
(DiagnosticSeverity::HINT, false) => style.info,
_ => style.ignored,
}
}
pub fn combine_syntax_and_fuzzy_match_highlights(
text: &str,
default_style: HighlightStyle,
syntax_ranges: impl Iterator<Item = (Range<usize>, HighlightStyle)>,
match_indices: &[usize],
) -> Vec<(Range<usize>, HighlightStyle)> {
let mut result = Vec::new();
let mut match_indices = match_indices.iter().copied().peekable();
for (range, mut syntax_highlight) in syntax_ranges.chain([(usize::MAX..0, Default::default())])
{
syntax_highlight.font_weight = None;
while let Some(&match_index) = match_indices.peek() {
if match_index >= range.start {
break;
}
match_indices.next();
let end_index = char_ix_after(match_index, text);
let mut match_style = default_style;
match_style.font_weight = Some(FontWeight::BOLD);
result.push((match_index..end_index, match_style));
}
if range.start == usize::MAX {
break;
}
let mut offset = range.start;
while let Some(&match_index) = match_indices.peek() {
if match_index >= range.end {
break;
}
match_indices.next();
if match_index > offset {
result.push((offset..match_index, syntax_highlight));
}
let mut end_index = char_ix_after(match_index, text);
while let Some(&next_match_index) = match_indices.peek() {
if next_match_index == end_index && next_match_index < range.end {
end_index = char_ix_after(next_match_index, text);
match_indices.next();
} else {
break;
}
}
let mut match_style = syntax_highlight;
match_style.font_weight = Some(FontWeight::BOLD);
result.push((match_index..end_index, match_style));
offset = end_index;
}
if offset < range.end {
result.push((offset..range.end, syntax_highlight));
}
}
fn char_ix_after(ix: usize, text: &str) -> usize {
ix + text[ix..].chars().next().unwrap().len_utf8()
}
result
}
pub fn split_words<'a>(text: &'a str) -> impl std::iter::Iterator<Item = &'a str> + 'a {
let mut index = 0;
let mut codepoints = text.char_indices().peekable();
std::iter::from_fn(move || {
let start_index = index;
while let Some((new_index, codepoint)) = codepoints.next() {
index = new_index + codepoint.len_utf8();
let current_upper = codepoint.is_uppercase();
let next_upper = codepoints
.peek()
.map(|(_, c)| c.is_uppercase())
.unwrap_or(false);
if !current_upper && next_upper {
return Some(&text[start_index..index]);
}
}
index = text.len();
if start_index < text.len() {
return Some(&text[start_index..]);
}
None
})
.flat_map(|word| word.split_inclusive('_'))
.flat_map(|word| word.split_inclusive('-'))
}
trait RangeToAnchorExt {
fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor>;
}
impl<T: ToOffset> RangeToAnchorExt for Range<T> {
fn to_anchors(self, snapshot: &MultiBufferSnapshot) -> Range<Anchor> {
snapshot.anchor_after(self.start)..snapshot.anchor_before(self.end)
}
}