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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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38
crates/editor/src/movement.rs
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@ -2,9 +2,7 @@
//! in editor given a given motion (e.g. it handles converting a "move left" command into coordinates in editor). It is exposed mostly for use by vim crate.
use super::{Bias, DisplayPoint, DisplaySnapshot, SelectionGoal, ToDisplayPoint};
use crate::{
char_kind, scroll::ScrollAnchor, CharKind, DisplayRow, EditorStyle, RowExt, ToOffset, ToPoint,
};
use crate::{scroll::ScrollAnchor, CharKind, DisplayRow, EditorStyle, RowExt, ToOffset, ToPoint};
use gpui::{px, Pixels, WindowTextSystem};
use language::Point;
use multi_buffer::{MultiBufferRow, MultiBufferSnapshot};
@ -264,10 +262,10 @@ pub fn line_end(
/// uppercase letter, lowercase letter, '_' character or language-specific word character (like '-' in CSS).
pub fn previous_word_start(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
let raw_point = point.to_point(map);
let scope = map.buffer_snapshot.language_scope_at(raw_point);
let classifier = map.buffer_snapshot.char_classifier_at(raw_point);
find_preceding_boundary_display_point(map, point, FindRange::MultiLine, |left, right| {
(char_kind(&scope, left) != char_kind(&scope, right) && !right.is_whitespace())
(classifier.kind(left) != classifier.kind(right) && !classifier.is_whitespace(right))
|| left == '\n'
})
}
@ -277,13 +275,14 @@ pub fn previous_word_start(map: &DisplaySnapshot, point: DisplayPoint) -> Displa
/// lowerspace characters and uppercase characters.
pub fn previous_subword_start(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
let raw_point = point.to_point(map);
let scope = map.buffer_snapshot.language_scope_at(raw_point);
let classifier = map.buffer_snapshot.char_classifier_at(raw_point);
find_preceding_boundary_display_point(map, point, FindRange::MultiLine, |left, right| {
let is_word_start =
char_kind(&scope, left) != char_kind(&scope, right) && !right.is_whitespace();
let is_subword_start =
left == '_' && right != '_' || left.is_lowercase() && right.is_uppercase();
classifier.kind(left) != classifier.kind(right) && !right.is_whitespace();
let is_subword_start = classifier.is_word('-') && left == '-' && right != '-'
|| left == '_' && right != '_'
|| left.is_lowercase() && right.is_uppercase();
is_word_start || is_subword_start || left == '\n'
})
}
@ -292,10 +291,10 @@ pub fn previous_subword_start(map: &DisplaySnapshot, point: DisplayPoint) -> Dis
/// uppercase letter, lowercase letter, '_' character or language-specific word character (like '-' in CSS).
pub fn next_word_end(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
let raw_point = point.to_point(map);
let scope = map.buffer_snapshot.language_scope_at(raw_point);
let classifier = map.buffer_snapshot.char_classifier_at(raw_point);
find_boundary(map, point, FindRange::MultiLine, |left, right| {
(char_kind(&scope, left) != char_kind(&scope, right) && !left.is_whitespace())
(classifier.kind(left) != classifier.kind(right) && !classifier.is_whitespace(left))
|| right == '\n'
})
}
@ -305,13 +304,14 @@ pub fn next_word_end(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint
/// lowerspace characters and uppercase characters.
pub fn next_subword_end(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
let raw_point = point.to_point(map);
let scope = map.buffer_snapshot.language_scope_at(raw_point);
let classifier = map.buffer_snapshot.char_classifier_at(raw_point);
find_boundary(map, point, FindRange::MultiLine, |left, right| {
let is_word_end =
(char_kind(&scope, left) != char_kind(&scope, right)) && !left.is_whitespace();
let is_subword_end =
left != '_' && right == '_' || left.is_lowercase() && right.is_uppercase();
(classifier.kind(left) != classifier.kind(right)) && !classifier.is_whitespace(left);
let is_subword_end = classifier.is_word('-') && left != '-' && right == '-'
|| left != '_' && right == '_'
|| left.is_lowercase() && right.is_uppercase();
is_word_end || is_subword_end || right == '\n'
})
}
@ -509,14 +509,14 @@ pub fn chars_before(
pub(crate) fn is_inside_word(map: &DisplaySnapshot, point: DisplayPoint) -> bool {
let raw_point = point.to_point(map);
let scope = map.buffer_snapshot.language_scope_at(raw_point);
let classifier = map.buffer_snapshot.char_classifier_at(raw_point);
let ix = map.clip_point(point, Bias::Left).to_offset(map, Bias::Left);
let text = &map.buffer_snapshot;
let next_char_kind = text.chars_at(ix).next().map(|c| char_kind(&scope, c));
let next_char_kind = text.chars_at(ix).next().map(|c| classifier.kind(c));
let prev_char_kind = text
.reversed_chars_at(ix)
.next()
.map(|c| char_kind(&scope, c));
.map(|c| classifier.kind(c));
prev_char_kind.zip(next_char_kind) == Some((CharKind::Word, CharKind::Word))
}
@ -527,7 +527,7 @@ pub(crate) fn surrounding_word(
let position = map
.clip_point(position, Bias::Left)
.to_offset(map, Bias::Left);
let (range, _) = map.buffer_snapshot.surrounding_word(position);
let (range, _) = map.buffer_snapshot.surrounding_word(position, false);
let start = range
.start
.to_point(&map.buffer_snapshot)