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Fix - being a word character for selections (#17171)

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Co-Authored-By: Mikayla <mikayla@zed.dev>
Co-Authored-By: Nate <nate@zed.dev>

Closes #15606
Closes #13515

Release Notes:

- Fixes `-` being considered a word character for selections in some
languages

Co-authored-by: Mikayla <mikayla@zed.dev>
Co-authored-by: Nate <nate@zed.dev>
This commit is contained in:
Conrad Irwin 2024-08-30 12:34:23 -06:00 • committed by GitHub
parent c0731bfa28
commit ee6ec50b15
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GPG key ID: B5690EEEBB952194
12 changed files with 239 additions and 143 deletions
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36
crates/multi_buffer/src/multi_buffer.rs
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@ -9,12 +9,12 @@ use git::diff::DiffHunk;
use gpui::{AppContext, EntityId, EventEmitter, Model, ModelContext};
use itertools::Itertools;
use language::{
char_kind,
language_settings::{language_settings, LanguageSettings},
AutoindentMode, Buffer, BufferChunks, BufferRow, BufferSnapshot, Capability, CharKind, Chunk,
CursorShape, DiagnosticEntry, File, IndentGuide, IndentSize, Language, LanguageScope,
OffsetRangeExt, OffsetUtf16, Outline, OutlineItem, Point, PointUtf16, Selection, TextDimension,
ToOffset as _, ToOffsetUtf16 as _, ToPoint as _, ToPointUtf16 as _, TransactionId, Unclipped,
AutoindentMode, Buffer, BufferChunks, BufferRow, BufferSnapshot, Capability, CharClassifier,
CharKind, Chunk, CursorShape, DiagnosticEntry, File, IndentGuide, IndentSize, Language,
LanguageScope, OffsetRangeExt, OffsetUtf16, Outline, OutlineItem, Point, PointUtf16, Selection,
TextDimension, ToOffset as _, ToOffsetUtf16 as _, ToPoint as _, ToPointUtf16 as _,
TransactionId, Unclipped,
};
use smallvec::SmallVec;
use std::{
@ -2295,21 +2295,27 @@ impl MultiBufferSnapshot {
.eq(needle.bytes())
}
pub fn surrounding_word<T: ToOffset>(&self, start: T) -> (Range<usize>, Option<CharKind>) {
pub fn surrounding_word<T: ToOffset>(
&self,
start: T,
for_completion: bool,
) -> (Range<usize>, Option<CharKind>) {
let mut start = start.to_offset(self);
let mut end = start;
let mut next_chars = self.chars_at(start).peekable();
let mut prev_chars = self.reversed_chars_at(start).peekable();
let scope = self.language_scope_at(start);
let kind = |c| char_kind(&scope, c);
let classifier = self
.char_classifier_at(start)
.for_completion(for_completion);
let word_kind = cmp::max(
prev_chars.peek().copied().map(kind),
next_chars.peek().copied().map(kind),
prev_chars.peek().copied().map(|c| classifier.kind(c)),
next_chars.peek().copied().map(|c| classifier.kind(c)),
);
for ch in prev_chars {
if Some(kind(ch)) == word_kind && ch != '\n' {
if Some(classifier.kind(ch)) == word_kind && ch != '\n' {
start -= ch.len_utf8();
} else {
break;
@ -2317,7 +2323,7 @@ impl MultiBufferSnapshot {
}
for ch in next_chars {
if Some(kind(ch)) == word_kind && ch != '\n' {
if Some(classifier.kind(ch)) == word_kind && ch != '\n' {
end += ch.len_utf8();
} else {
break;
@ -3478,6 +3484,12 @@ impl MultiBufferSnapshot {
.and_then(|(buffer, offset)| buffer.language_scope_at(offset))
}
pub fn char_classifier_at<T: ToOffset>(&self, point: T) -> CharClassifier {
self.point_to_buffer_offset(point)
.map(|(buffer, offset)| buffer.char_classifier_at(offset))
.unwrap_or_default()
}
pub fn language_indent_size_at<T: ToOffset>(
&self,
position: T,