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Implement word-wise mouse selection

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2021-11-23 18:50:17 +01:00
parent 3269b9925f
commit bcf38e6bb5
6 changed files with 77 additions and 51 deletions
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8
crates/editor/src/movement.rs
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@ -181,6 +181,14 @@ pub fn next_word_boundary(map: &DisplayMapSnapshot, mut point: DisplayPoint) ->
point
}
pub fn is_inside_word(map: &DisplayMapSnapshot, point: DisplayPoint) -> bool {
let ix = map.clip_point(point, Bias::Left).to_offset(map, Bias::Left);
let text = map.buffer_snapshot.text();
let next_char_kind = text.chars_at(ix).next().map(char_kind);
let prev_char_kind = text.reversed_chars_at(ix).next().map(char_kind);
prev_char_kind.zip(next_char_kind) == Some((CharKind::Word, CharKind::Word))
}
pub fn surrounding_word(map: &DisplayMapSnapshot, point: DisplayPoint) -> Range<DisplayPoint> {
let mut start = map.clip_point(point, Bias::Left).to_offset(map, Bias::Left);
let mut end = start;