1use editor::{
2 Anchor, Bias, BufferOffset, DisplayPoint, Editor, MultiBufferOffset, RowExt, ToOffset, ToPoint,
3 display_map::{DisplayRow, DisplaySnapshot, FoldPoint, ToDisplayPoint},
4 movement::{
5 self, FindRange, TextLayoutDetails, find_boundary, find_preceding_boundary_display_point,
6 },
7};
8use gpui::{Action, Context, Window, actions, px};
9use language::{CharKind, Point, Selection, SelectionGoal};
10use multi_buffer::MultiBufferRow;
11use schemars::JsonSchema;
12use serde::Deserialize;
13use std::ops::Range;
14use workspace::searchable::Direction;
15
16use crate::{
17 Vim,
18 normal::mark,
19 state::{Mode, Operator},
20 surrounds::SurroundsType,
21};
22
23#[derive(Clone, Copy, Debug, PartialEq, Eq)]
24pub(crate) enum MotionKind {
25 Linewise,
26 Exclusive,
27 Inclusive,
28}
29
30impl MotionKind {
31 pub(crate) fn for_mode(mode: Mode) -> Self {
32 match mode {
33 Mode::VisualLine => MotionKind::Linewise,
34 _ => MotionKind::Exclusive,
35 }
36 }
37
38 pub(crate) fn linewise(&self) -> bool {
39 matches!(self, MotionKind::Linewise)
40 }
41}
42
43#[derive(Clone, Debug, PartialEq, Eq)]
44pub enum Motion {
45 Left,
46 WrappingLeft,
47 Down {
48 display_lines: bool,
49 },
50 Up {
51 display_lines: bool,
52 },
53 Right,
54 WrappingRight,
55 NextWordStart {
56 ignore_punctuation: bool,
57 },
58 NextWordEnd {
59 ignore_punctuation: bool,
60 },
61 PreviousWordStart {
62 ignore_punctuation: bool,
63 },
64 PreviousWordEnd {
65 ignore_punctuation: bool,
66 },
67 NextSubwordStart {
68 ignore_punctuation: bool,
69 },
70 NextSubwordEnd {
71 ignore_punctuation: bool,
72 },
73 PreviousSubwordStart {
74 ignore_punctuation: bool,
75 },
76 PreviousSubwordEnd {
77 ignore_punctuation: bool,
78 },
79 FirstNonWhitespace {
80 display_lines: bool,
81 },
82 CurrentLine,
83 StartOfLine {
84 display_lines: bool,
85 },
86 MiddleOfLine {
87 display_lines: bool,
88 },
89 EndOfLine {
90 display_lines: bool,
91 },
92 SentenceBackward,
93 SentenceForward,
94 StartOfParagraph,
95 EndOfParagraph,
96 StartOfDocument,
97 EndOfDocument,
98 Matching,
99 GoToPercentage,
100 UnmatchedForward {
101 char: char,
102 },
103 UnmatchedBackward {
104 char: char,
105 },
106 FindForward {
107 before: bool,
108 char: char,
109 mode: FindRange,
110 smartcase: bool,
111 },
112 FindBackward {
113 after: bool,
114 char: char,
115 mode: FindRange,
116 smartcase: bool,
117 },
118 Sneak {
119 first_char: char,
120 second_char: char,
121 smartcase: bool,
122 },
123 SneakBackward {
124 first_char: char,
125 second_char: char,
126 smartcase: bool,
127 },
128 RepeatFind {
129 last_find: Box<Motion>,
130 },
131 RepeatFindReversed {
132 last_find: Box<Motion>,
133 },
134 NextLineStart,
135 PreviousLineStart,
136 StartOfLineDownward,
137 EndOfLineDownward,
138 GoToColumn,
139 WindowTop,
140 WindowMiddle,
141 WindowBottom,
142 NextSectionStart,
143 NextSectionEnd,
144 PreviousSectionStart,
145 PreviousSectionEnd,
146 NextMethodStart,
147 NextMethodEnd,
148 PreviousMethodStart,
149 PreviousMethodEnd,
150 NextComment,
151 PreviousComment,
152 PreviousLesserIndent,
153 PreviousGreaterIndent,
154 PreviousSameIndent,
155 NextLesserIndent,
156 NextGreaterIndent,
157 NextSameIndent,
158
159 // we don't have a good way to run a search synchronously, so
160 // we handle search motions by running the search async and then
161 // calling back into motion with this
162 ZedSearchResult {
163 prior_selections: Vec<Range<Anchor>>,
164 new_selections: Vec<Range<Anchor>>,
165 },
166 Jump {
167 anchor: Anchor,
168 line: bool,
169 },
170}
171
172#[derive(Clone, Copy)]
173enum IndentType {
174 Lesser,
175 Greater,
176 Same,
177}
178
179/// Moves to the start of the next word.
180#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
181#[action(namespace = vim)]
182#[serde(deny_unknown_fields)]
183struct NextWordStart {
184 #[serde(default)]
185 ignore_punctuation: bool,
186}
187
188/// Moves to the end of the next word.
189#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
190#[action(namespace = vim)]
191#[serde(deny_unknown_fields)]
192struct NextWordEnd {
193 #[serde(default)]
194 ignore_punctuation: bool,
195}
196
197/// Moves to the start of the previous word.
198#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
199#[action(namespace = vim)]
200#[serde(deny_unknown_fields)]
201struct PreviousWordStart {
202 #[serde(default)]
203 ignore_punctuation: bool,
204}
205
206/// Moves to the end of the previous word.
207#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
208#[action(namespace = vim)]
209#[serde(deny_unknown_fields)]
210struct PreviousWordEnd {
211 #[serde(default)]
212 ignore_punctuation: bool,
213}
214
215/// Moves to the start of the next subword.
216#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
217#[action(namespace = vim)]
218#[serde(deny_unknown_fields)]
219pub(crate) struct NextSubwordStart {
220 #[serde(default)]
221 pub(crate) ignore_punctuation: bool,
222}
223
224/// Moves to the end of the next subword.
225#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
226#[action(namespace = vim)]
227#[serde(deny_unknown_fields)]
228pub(crate) struct NextSubwordEnd {
229 #[serde(default)]
230 pub(crate) ignore_punctuation: bool,
231}
232
233/// Moves to the start of the previous subword.
234#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
235#[action(namespace = vim)]
236#[serde(deny_unknown_fields)]
237pub(crate) struct PreviousSubwordStart {
238 #[serde(default)]
239 pub(crate) ignore_punctuation: bool,
240}
241
242/// Moves to the end of the previous subword.
243#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
244#[action(namespace = vim)]
245#[serde(deny_unknown_fields)]
246pub(crate) struct PreviousSubwordEnd {
247 #[serde(default)]
248 pub(crate) ignore_punctuation: bool,
249}
250
251/// Moves cursor up by the specified number of lines.
252#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
253#[action(namespace = vim)]
254#[serde(deny_unknown_fields)]
255pub(crate) struct Up {
256 #[serde(default)]
257 pub(crate) display_lines: bool,
258}
259
260/// Moves cursor down by the specified number of lines.
261#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
262#[action(namespace = vim)]
263#[serde(deny_unknown_fields)]
264pub(crate) struct Down {
265 #[serde(default)]
266 pub(crate) display_lines: bool,
267}
268
269/// Moves to the first non-whitespace character on the current line.
270#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
271#[action(namespace = vim)]
272#[serde(deny_unknown_fields)]
273struct FirstNonWhitespace {
274 #[serde(default)]
275 display_lines: bool,
276}
277
278/// Moves to the end of the current line.
279#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
280#[action(namespace = vim)]
281#[serde(deny_unknown_fields)]
282struct EndOfLine {
283 #[serde(default)]
284 display_lines: bool,
285}
286
287/// Moves to the start of the current line.
288#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
289#[action(namespace = vim)]
290#[serde(deny_unknown_fields)]
291pub struct StartOfLine {
292 #[serde(default)]
293 pub(crate) display_lines: bool,
294}
295
296/// Moves to the middle of the current line.
297#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
298#[action(namespace = vim)]
299#[serde(deny_unknown_fields)]
300struct MiddleOfLine {
301 #[serde(default)]
302 display_lines: bool,
303}
304
305/// Finds the next unmatched bracket or delimiter.
306#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
307#[action(namespace = vim)]
308#[serde(deny_unknown_fields)]
309struct UnmatchedForward {
310 #[serde(default)]
311 char: char,
312}
313
314/// Finds the previous unmatched bracket or delimiter.
315#[derive(Clone, Deserialize, JsonSchema, PartialEq, Action)]
316#[action(namespace = vim)]
317#[serde(deny_unknown_fields)]
318struct UnmatchedBackward {
319 #[serde(default)]
320 char: char,
321}
322
323actions!(
324 vim,
325 [
326 /// Moves cursor left one character.
327 Left,
328 /// Moves cursor left one character, wrapping to previous line.
329 #[action(deprecated_aliases = ["vim::Backspace"])]
330 WrappingLeft,
331 /// Moves cursor right one character.
332 Right,
333 /// Moves cursor right one character, wrapping to next line.
334 #[action(deprecated_aliases = ["vim::Space"])]
335 WrappingRight,
336 /// Selects the current line.
337 CurrentLine,
338 /// Moves to the start of the next sentence.
339 SentenceForward,
340 /// Moves to the start of the previous sentence.
341 SentenceBackward,
342 /// Moves to the start of the paragraph.
343 StartOfParagraph,
344 /// Moves to the end of the paragraph.
345 EndOfParagraph,
346 /// Moves to the start of the document.
347 StartOfDocument,
348 /// Moves to the end of the document.
349 EndOfDocument,
350 /// Moves to the matching bracket or delimiter.
351 Matching,
352 /// Goes to a percentage position in the file.
353 GoToPercentage,
354 /// Moves to the start of the next line.
355 NextLineStart,
356 /// Moves to the start of the previous line.
357 PreviousLineStart,
358 /// Moves to the start of a line downward.
359 StartOfLineDownward,
360 /// Moves to the end of a line downward.
361 EndOfLineDownward,
362 /// Goes to a specific column number.
363 GoToColumn,
364 /// Repeats the last character find.
365 RepeatFind,
366 /// Repeats the last character find in reverse.
367 RepeatFindReversed,
368 /// Moves to the top of the window.
369 WindowTop,
370 /// Moves to the middle of the window.
371 WindowMiddle,
372 /// Moves to the bottom of the window.
373 WindowBottom,
374 /// Moves to the start of the next section.
375 NextSectionStart,
376 /// Moves to the end of the next section.
377 NextSectionEnd,
378 /// Moves to the start of the previous section.
379 PreviousSectionStart,
380 /// Moves to the end of the previous section.
381 PreviousSectionEnd,
382 /// Moves to the start of the next method.
383 NextMethodStart,
384 /// Moves to the end of the next method.
385 NextMethodEnd,
386 /// Moves to the start of the previous method.
387 PreviousMethodStart,
388 /// Moves to the end of the previous method.
389 PreviousMethodEnd,
390 /// Moves to the next comment.
391 NextComment,
392 /// Moves to the previous comment.
393 PreviousComment,
394 /// Moves to the previous line with lesser indentation.
395 PreviousLesserIndent,
396 /// Moves to the previous line with greater indentation.
397 PreviousGreaterIndent,
398 /// Moves to the previous line with the same indentation.
399 PreviousSameIndent,
400 /// Moves to the next line with lesser indentation.
401 NextLesserIndent,
402 /// Moves to the next line with greater indentation.
403 NextGreaterIndent,
404 /// Moves to the next line with the same indentation.
405 NextSameIndent,
406 ]
407);
408
409pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
410 Vim::action(editor, cx, |vim, _: &Left, window, cx| {
411 vim.motion(Motion::Left, window, cx)
412 });
413 Vim::action(editor, cx, |vim, _: &WrappingLeft, window, cx| {
414 vim.motion(Motion::WrappingLeft, window, cx)
415 });
416 Vim::action(editor, cx, |vim, action: &Down, window, cx| {
417 vim.motion(
418 Motion::Down {
419 display_lines: action.display_lines,
420 },
421 window,
422 cx,
423 )
424 });
425 Vim::action(editor, cx, |vim, action: &Up, window, cx| {
426 vim.motion(
427 Motion::Up {
428 display_lines: action.display_lines,
429 },
430 window,
431 cx,
432 )
433 });
434 Vim::action(editor, cx, |vim, _: &Right, window, cx| {
435 vim.motion(Motion::Right, window, cx)
436 });
437 Vim::action(editor, cx, |vim, _: &WrappingRight, window, cx| {
438 vim.motion(Motion::WrappingRight, window, cx)
439 });
440 Vim::action(
441 editor,
442 cx,
443 |vim, action: &FirstNonWhitespace, window, cx| {
444 vim.motion(
445 Motion::FirstNonWhitespace {
446 display_lines: action.display_lines,
447 },
448 window,
449 cx,
450 )
451 },
452 );
453 Vim::action(editor, cx, |vim, action: &StartOfLine, window, cx| {
454 vim.motion(
455 Motion::StartOfLine {
456 display_lines: action.display_lines,
457 },
458 window,
459 cx,
460 )
461 });
462 Vim::action(editor, cx, |vim, action: &MiddleOfLine, window, cx| {
463 vim.motion(
464 Motion::MiddleOfLine {
465 display_lines: action.display_lines,
466 },
467 window,
468 cx,
469 )
470 });
471 Vim::action(editor, cx, |vim, action: &EndOfLine, window, cx| {
472 vim.motion(
473 Motion::EndOfLine {
474 display_lines: action.display_lines,
475 },
476 window,
477 cx,
478 )
479 });
480 Vim::action(editor, cx, |vim, _: &CurrentLine, window, cx| {
481 vim.motion(Motion::CurrentLine, window, cx)
482 });
483 Vim::action(editor, cx, |vim, _: &StartOfParagraph, window, cx| {
484 vim.motion(Motion::StartOfParagraph, window, cx)
485 });
486 Vim::action(editor, cx, |vim, _: &EndOfParagraph, window, cx| {
487 vim.motion(Motion::EndOfParagraph, window, cx)
488 });
489
490 Vim::action(editor, cx, |vim, _: &SentenceForward, window, cx| {
491 vim.motion(Motion::SentenceForward, window, cx)
492 });
493 Vim::action(editor, cx, |vim, _: &SentenceBackward, window, cx| {
494 vim.motion(Motion::SentenceBackward, window, cx)
495 });
496 Vim::action(editor, cx, |vim, _: &StartOfDocument, window, cx| {
497 vim.motion(Motion::StartOfDocument, window, cx)
498 });
499 Vim::action(editor, cx, |vim, _: &EndOfDocument, window, cx| {
500 vim.motion(Motion::EndOfDocument, window, cx)
501 });
502 Vim::action(editor, cx, |vim, _: &Matching, window, cx| {
503 vim.motion(Motion::Matching, window, cx)
504 });
505 Vim::action(editor, cx, |vim, _: &GoToPercentage, window, cx| {
506 vim.motion(Motion::GoToPercentage, window, cx)
507 });
508 Vim::action(
509 editor,
510 cx,
511 |vim, &UnmatchedForward { char }: &UnmatchedForward, window, cx| {
512 vim.motion(Motion::UnmatchedForward { char }, window, cx)
513 },
514 );
515 Vim::action(
516 editor,
517 cx,
518 |vim, &UnmatchedBackward { char }: &UnmatchedBackward, window, cx| {
519 vim.motion(Motion::UnmatchedBackward { char }, window, cx)
520 },
521 );
522 Vim::action(
523 editor,
524 cx,
525 |vim, &NextWordStart { ignore_punctuation }: &NextWordStart, window, cx| {
526 vim.motion(Motion::NextWordStart { ignore_punctuation }, window, cx)
527 },
528 );
529 Vim::action(
530 editor,
531 cx,
532 |vim, &NextWordEnd { ignore_punctuation }: &NextWordEnd, window, cx| {
533 vim.motion(Motion::NextWordEnd { ignore_punctuation }, window, cx)
534 },
535 );
536 Vim::action(
537 editor,
538 cx,
539 |vim, &PreviousWordStart { ignore_punctuation }: &PreviousWordStart, window, cx| {
540 vim.motion(Motion::PreviousWordStart { ignore_punctuation }, window, cx)
541 },
542 );
543 Vim::action(
544 editor,
545 cx,
546 |vim, &PreviousWordEnd { ignore_punctuation }, window, cx| {
547 vim.motion(Motion::PreviousWordEnd { ignore_punctuation }, window, cx)
548 },
549 );
550 Vim::action(
551 editor,
552 cx,
553 |vim, &NextSubwordStart { ignore_punctuation }: &NextSubwordStart, window, cx| {
554 vim.motion(Motion::NextSubwordStart { ignore_punctuation }, window, cx)
555 },
556 );
557 Vim::action(
558 editor,
559 cx,
560 |vim, &NextSubwordEnd { ignore_punctuation }: &NextSubwordEnd, window, cx| {
561 vim.motion(Motion::NextSubwordEnd { ignore_punctuation }, window, cx)
562 },
563 );
564 Vim::action(
565 editor,
566 cx,
567 |vim, &PreviousSubwordStart { ignore_punctuation }: &PreviousSubwordStart, window, cx| {
568 vim.motion(
569 Motion::PreviousSubwordStart { ignore_punctuation },
570 window,
571 cx,
572 )
573 },
574 );
575 Vim::action(
576 editor,
577 cx,
578 |vim, &PreviousSubwordEnd { ignore_punctuation }, window, cx| {
579 vim.motion(
580 Motion::PreviousSubwordEnd { ignore_punctuation },
581 window,
582 cx,
583 )
584 },
585 );
586 Vim::action(editor, cx, |vim, &NextLineStart, window, cx| {
587 vim.motion(Motion::NextLineStart, window, cx)
588 });
589 Vim::action(editor, cx, |vim, &PreviousLineStart, window, cx| {
590 vim.motion(Motion::PreviousLineStart, window, cx)
591 });
592 Vim::action(editor, cx, |vim, &StartOfLineDownward, window, cx| {
593 vim.motion(Motion::StartOfLineDownward, window, cx)
594 });
595 Vim::action(editor, cx, |vim, &EndOfLineDownward, window, cx| {
596 vim.motion(Motion::EndOfLineDownward, window, cx)
597 });
598 Vim::action(editor, cx, |vim, &GoToColumn, window, cx| {
599 vim.motion(Motion::GoToColumn, window, cx)
600 });
601
602 Vim::action(editor, cx, |vim, _: &RepeatFind, window, cx| {
603 if let Some(last_find) = Vim::globals(cx).last_find.clone().map(Box::new) {
604 vim.motion(Motion::RepeatFind { last_find }, window, cx);
605 }
606 });
607
608 Vim::action(editor, cx, |vim, _: &RepeatFindReversed, window, cx| {
609 if let Some(last_find) = Vim::globals(cx).last_find.clone().map(Box::new) {
610 vim.motion(Motion::RepeatFindReversed { last_find }, window, cx);
611 }
612 });
613 Vim::action(editor, cx, |vim, &WindowTop, window, cx| {
614 vim.motion(Motion::WindowTop, window, cx)
615 });
616 Vim::action(editor, cx, |vim, &WindowMiddle, window, cx| {
617 vim.motion(Motion::WindowMiddle, window, cx)
618 });
619 Vim::action(editor, cx, |vim, &WindowBottom, window, cx| {
620 vim.motion(Motion::WindowBottom, window, cx)
621 });
622
623 Vim::action(editor, cx, |vim, &PreviousSectionStart, window, cx| {
624 vim.motion(Motion::PreviousSectionStart, window, cx)
625 });
626 Vim::action(editor, cx, |vim, &NextSectionStart, window, cx| {
627 vim.motion(Motion::NextSectionStart, window, cx)
628 });
629 Vim::action(editor, cx, |vim, &PreviousSectionEnd, window, cx| {
630 vim.motion(Motion::PreviousSectionEnd, window, cx)
631 });
632 Vim::action(editor, cx, |vim, &NextSectionEnd, window, cx| {
633 vim.motion(Motion::NextSectionEnd, window, cx)
634 });
635 Vim::action(editor, cx, |vim, &PreviousMethodStart, window, cx| {
636 vim.motion(Motion::PreviousMethodStart, window, cx)
637 });
638 Vim::action(editor, cx, |vim, &NextMethodStart, window, cx| {
639 vim.motion(Motion::NextMethodStart, window, cx)
640 });
641 Vim::action(editor, cx, |vim, &PreviousMethodEnd, window, cx| {
642 vim.motion(Motion::PreviousMethodEnd, window, cx)
643 });
644 Vim::action(editor, cx, |vim, &NextMethodEnd, window, cx| {
645 vim.motion(Motion::NextMethodEnd, window, cx)
646 });
647 Vim::action(editor, cx, |vim, &NextComment, window, cx| {
648 vim.motion(Motion::NextComment, window, cx)
649 });
650 Vim::action(editor, cx, |vim, &PreviousComment, window, cx| {
651 vim.motion(Motion::PreviousComment, window, cx)
652 });
653 Vim::action(editor, cx, |vim, &PreviousLesserIndent, window, cx| {
654 vim.motion(Motion::PreviousLesserIndent, window, cx)
655 });
656 Vim::action(editor, cx, |vim, &PreviousGreaterIndent, window, cx| {
657 vim.motion(Motion::PreviousGreaterIndent, window, cx)
658 });
659 Vim::action(editor, cx, |vim, &PreviousSameIndent, window, cx| {
660 vim.motion(Motion::PreviousSameIndent, window, cx)
661 });
662 Vim::action(editor, cx, |vim, &NextLesserIndent, window, cx| {
663 vim.motion(Motion::NextLesserIndent, window, cx)
664 });
665 Vim::action(editor, cx, |vim, &NextGreaterIndent, window, cx| {
666 vim.motion(Motion::NextGreaterIndent, window, cx)
667 });
668 Vim::action(editor, cx, |vim, &NextSameIndent, window, cx| {
669 vim.motion(Motion::NextSameIndent, window, cx)
670 });
671}
672
673impl Vim {
674 pub(crate) fn search_motion(&mut self, m: Motion, window: &mut Window, cx: &mut Context<Self>) {
675 if let Motion::ZedSearchResult {
676 prior_selections, ..
677 } = &m
678 {
679 match self.mode {
680 Mode::Visual | Mode::VisualLine | Mode::VisualBlock => {
681 if !prior_selections.is_empty() {
682 self.update_editor(cx, |_, editor, cx| {
683 editor.change_selections(Default::default(), window, cx, |s| {
684 s.select_ranges(prior_selections.iter().cloned())
685 })
686 });
687 }
688 }
689 Mode::Normal | Mode::Replace | Mode::Insert => {
690 if self.active_operator().is_none() {
691 return;
692 }
693 }
694 Mode::HelixNormal | Mode::HelixSelect => {}
695 }
696 }
697
698 self.motion(m, window, cx)
699 }
700
701 pub(crate) fn motion(&mut self, motion: Motion, window: &mut Window, cx: &mut Context<Self>) {
702 if let Some(Operator::FindForward { .. })
703 | Some(Operator::Sneak { .. })
704 | Some(Operator::SneakBackward { .. })
705 | Some(Operator::FindBackward { .. }) = self.active_operator()
706 {
707 self.pop_operator(window, cx);
708 }
709
710 let count = Vim::take_count(cx);
711 let forced_motion = Vim::take_forced_motion(cx);
712 let active_operator = self.active_operator();
713 let mut waiting_operator: Option<Operator> = None;
714 match self.mode {
715 Mode::Normal | Mode::Replace | Mode::Insert => {
716 if active_operator == Some(Operator::AddSurrounds { target: None }) {
717 waiting_operator = Some(Operator::AddSurrounds {
718 target: Some(SurroundsType::Motion(motion)),
719 });
720 } else {
721 self.normal_motion(motion, active_operator, count, forced_motion, window, cx)
722 }
723 }
724 Mode::Visual | Mode::VisualLine | Mode::VisualBlock => {
725 self.visual_motion(motion, count, window, cx)
726 }
727
728 Mode::HelixNormal => self.helix_normal_motion(motion, count, window, cx),
729 Mode::HelixSelect => self.helix_select_motion(motion, count, window, cx),
730 }
731 self.clear_operator(window, cx);
732 if let Some(operator) = waiting_operator {
733 self.push_operator(operator, window, cx);
734 Vim::globals(cx).pre_count = count
735 }
736 }
737}
738
739// Motion handling is specified here:
740// https://github.com/vim/vim/blob/master/runtime/doc/motion.txt
741impl Motion {
742 fn default_kind(&self) -> MotionKind {
743 use Motion::*;
744 match self {
745 Down { .. }
746 | Up { .. }
747 | StartOfDocument
748 | EndOfDocument
749 | CurrentLine
750 | NextLineStart
751 | PreviousLineStart
752 | StartOfLineDownward
753 | WindowTop
754 | WindowMiddle
755 | WindowBottom
756 | NextSectionStart
757 | NextSectionEnd
758 | PreviousSectionStart
759 | PreviousSectionEnd
760 | NextMethodStart
761 | NextMethodEnd
762 | PreviousMethodStart
763 | PreviousMethodEnd
764 | NextComment
765 | PreviousComment
766 | PreviousLesserIndent
767 | PreviousGreaterIndent
768 | PreviousSameIndent
769 | NextLesserIndent
770 | NextGreaterIndent
771 | NextSameIndent
772 | GoToPercentage
773 | Jump { line: true, .. } => MotionKind::Linewise,
774 EndOfLine { .. }
775 | EndOfLineDownward
776 | Matching
777 | FindForward { .. }
778 | NextWordEnd { .. }
779 | PreviousWordEnd { .. }
780 | NextSubwordEnd { .. }
781 | PreviousSubwordEnd { .. } => MotionKind::Inclusive,
782 Left
783 | WrappingLeft
784 | Right
785 | WrappingRight
786 | StartOfLine { .. }
787 | StartOfParagraph
788 | EndOfParagraph
789 | SentenceBackward
790 | SentenceForward
791 | GoToColumn
792 | MiddleOfLine { .. }
793 | UnmatchedForward { .. }
794 | UnmatchedBackward { .. }
795 | NextWordStart { .. }
796 | PreviousWordStart { .. }
797 | NextSubwordStart { .. }
798 | PreviousSubwordStart { .. }
799 | FirstNonWhitespace { .. }
800 | FindBackward { .. }
801 | Sneak { .. }
802 | SneakBackward { .. }
803 | Jump { .. }
804 | ZedSearchResult { .. } => MotionKind::Exclusive,
805 RepeatFind { last_find: motion } | RepeatFindReversed { last_find: motion } => {
806 motion.default_kind()
807 }
808 }
809 }
810
811 fn skip_exclusive_special_case(&self) -> bool {
812 matches!(self, Motion::WrappingLeft | Motion::WrappingRight)
813 }
814
815 pub(crate) fn push_to_jump_list(&self) -> bool {
816 use Motion::*;
817 match self {
818 CurrentLine
819 | Down { .. }
820 | EndOfLine { .. }
821 | EndOfLineDownward
822 | FindBackward { .. }
823 | FindForward { .. }
824 | FirstNonWhitespace { .. }
825 | GoToColumn
826 | Left
827 | MiddleOfLine { .. }
828 | NextLineStart
829 | NextSubwordEnd { .. }
830 | NextSubwordStart { .. }
831 | NextWordEnd { .. }
832 | NextWordStart { .. }
833 | PreviousLineStart
834 | PreviousSubwordEnd { .. }
835 | PreviousSubwordStart { .. }
836 | PreviousWordEnd { .. }
837 | PreviousWordStart { .. }
838 | RepeatFind { .. }
839 | RepeatFindReversed { .. }
840 | Right
841 | StartOfLine { .. }
842 | StartOfLineDownward
843 | Up { .. }
844 | WrappingLeft
845 | WrappingRight => false,
846 EndOfDocument
847 | EndOfParagraph
848 | GoToPercentage
849 | Jump { .. }
850 | Matching
851 | NextComment
852 | NextGreaterIndent
853 | NextLesserIndent
854 | NextMethodEnd
855 | NextMethodStart
856 | NextSameIndent
857 | NextSectionEnd
858 | NextSectionStart
859 | PreviousComment
860 | PreviousGreaterIndent
861 | PreviousLesserIndent
862 | PreviousMethodEnd
863 | PreviousMethodStart
864 | PreviousSameIndent
865 | PreviousSectionEnd
866 | PreviousSectionStart
867 | SentenceBackward
868 | SentenceForward
869 | Sneak { .. }
870 | SneakBackward { .. }
871 | StartOfDocument
872 | StartOfParagraph
873 | UnmatchedBackward { .. }
874 | UnmatchedForward { .. }
875 | WindowBottom
876 | WindowMiddle
877 | WindowTop
878 | ZedSearchResult { .. } => true,
879 }
880 }
881
882 pub fn infallible(&self) -> bool {
883 use Motion::*;
884 match self {
885 StartOfDocument | EndOfDocument | CurrentLine => true,
886 Down { .. }
887 | Up { .. }
888 | EndOfLine { .. }
889 | MiddleOfLine { .. }
890 | Matching
891 | UnmatchedForward { .. }
892 | UnmatchedBackward { .. }
893 | FindForward { .. }
894 | RepeatFind { .. }
895 | Left
896 | WrappingLeft
897 | Right
898 | WrappingRight
899 | StartOfLine { .. }
900 | StartOfParagraph
901 | EndOfParagraph
902 | SentenceBackward
903 | SentenceForward
904 | StartOfLineDownward
905 | EndOfLineDownward
906 | GoToColumn
907 | GoToPercentage
908 | NextWordStart { .. }
909 | NextWordEnd { .. }
910 | PreviousWordStart { .. }
911 | PreviousWordEnd { .. }
912 | NextSubwordStart { .. }
913 | NextSubwordEnd { .. }
914 | PreviousSubwordStart { .. }
915 | PreviousSubwordEnd { .. }
916 | FirstNonWhitespace { .. }
917 | FindBackward { .. }
918 | Sneak { .. }
919 | SneakBackward { .. }
920 | RepeatFindReversed { .. }
921 | WindowTop
922 | WindowMiddle
923 | WindowBottom
924 | NextLineStart
925 | PreviousLineStart
926 | ZedSearchResult { .. }
927 | NextSectionStart
928 | NextSectionEnd
929 | PreviousSectionStart
930 | PreviousSectionEnd
931 | NextMethodStart
932 | NextMethodEnd
933 | PreviousMethodStart
934 | PreviousMethodEnd
935 | NextComment
936 | PreviousComment
937 | PreviousLesserIndent
938 | PreviousGreaterIndent
939 | PreviousSameIndent
940 | NextLesserIndent
941 | NextGreaterIndent
942 | NextSameIndent
943 | Jump { .. } => false,
944 }
945 }
946
947 pub fn move_point(
948 &self,
949 map: &DisplaySnapshot,
950 point: DisplayPoint,
951 goal: SelectionGoal,
952 maybe_times: Option<usize>,
953 text_layout_details: &TextLayoutDetails,
954 ) -> Option<(DisplayPoint, SelectionGoal)> {
955 let times = maybe_times.unwrap_or(1);
956 use Motion::*;
957 let infallible = self.infallible();
958 let (new_point, goal) = match self {
959 Left => (left(map, point, times), SelectionGoal::None),
960 WrappingLeft => (wrapping_left(map, point, times), SelectionGoal::None),
961 Down {
962 display_lines: false,
963 } => up_down_buffer_rows(map, point, goal, times as isize, text_layout_details),
964 Down {
965 display_lines: true,
966 } => down_display(map, point, goal, times, text_layout_details),
967 Up {
968 display_lines: false,
969 } => up_down_buffer_rows(map, point, goal, 0 - times as isize, text_layout_details),
970 Up {
971 display_lines: true,
972 } => up_display(map, point, goal, times, text_layout_details),
973 Right => (right(map, point, times), SelectionGoal::None),
974 WrappingRight => (wrapping_right(map, point, times), SelectionGoal::None),
975 NextWordStart { ignore_punctuation } => (
976 next_word_start(map, point, *ignore_punctuation, times),
977 SelectionGoal::None,
978 ),
979 NextWordEnd { ignore_punctuation } => (
980 next_word_end(map, point, *ignore_punctuation, times, true, true),
981 SelectionGoal::None,
982 ),
983 PreviousWordStart { ignore_punctuation } => (
984 previous_word_start(map, point, *ignore_punctuation, times),
985 SelectionGoal::None,
986 ),
987 PreviousWordEnd { ignore_punctuation } => (
988 previous_word_end(map, point, *ignore_punctuation, times),
989 SelectionGoal::None,
990 ),
991 NextSubwordStart { ignore_punctuation } => (
992 next_subword_start(map, point, *ignore_punctuation, times),
993 SelectionGoal::None,
994 ),
995 NextSubwordEnd { ignore_punctuation } => (
996 next_subword_end(map, point, *ignore_punctuation, times, true),
997 SelectionGoal::None,
998 ),
999 PreviousSubwordStart { ignore_punctuation } => (
1000 previous_subword_start(map, point, *ignore_punctuation, times),
1001 SelectionGoal::None,
1002 ),
1003 PreviousSubwordEnd { ignore_punctuation } => (
1004 previous_subword_end(map, point, *ignore_punctuation, times),
1005 SelectionGoal::None,
1006 ),
1007 FirstNonWhitespace { display_lines } => (
1008 first_non_whitespace(map, *display_lines, point),
1009 SelectionGoal::None,
1010 ),
1011 StartOfLine { display_lines } => (
1012 start_of_line(map, *display_lines, point),
1013 SelectionGoal::None,
1014 ),
1015 MiddleOfLine { display_lines } => (
1016 middle_of_line(map, *display_lines, point, maybe_times),
1017 SelectionGoal::None,
1018 ),
1019 EndOfLine { display_lines } => (
1020 end_of_line(map, *display_lines, point, times),
1021 SelectionGoal::None,
1022 ),
1023 SentenceBackward => (sentence_backwards(map, point, times), SelectionGoal::None),
1024 SentenceForward => (sentence_forwards(map, point, times), SelectionGoal::None),
1025 StartOfParagraph => (
1026 movement::start_of_paragraph(map, point, times),
1027 SelectionGoal::None,
1028 ),
1029 EndOfParagraph => (
1030 map.clip_at_line_end(movement::end_of_paragraph(map, point, times)),
1031 SelectionGoal::None,
1032 ),
1033 CurrentLine => (next_line_end(map, point, times), SelectionGoal::None),
1034 StartOfDocument => (
1035 start_of_document(map, point, maybe_times),
1036 SelectionGoal::None,
1037 ),
1038 EndOfDocument => (
1039 end_of_document(map, point, maybe_times),
1040 SelectionGoal::None,
1041 ),
1042 Matching => (matching(map, point), SelectionGoal::None),
1043 GoToPercentage => (go_to_percentage(map, point, times), SelectionGoal::None),
1044 UnmatchedForward { char } => (
1045 unmatched_forward(map, point, *char, times),
1046 SelectionGoal::None,
1047 ),
1048 UnmatchedBackward { char } => (
1049 unmatched_backward(map, point, *char, times),
1050 SelectionGoal::None,
1051 ),
1052 // t f
1053 FindForward {
1054 before,
1055 char,
1056 mode,
1057 smartcase,
1058 } => {
1059 return find_forward(map, point, *before, *char, times, *mode, *smartcase)
1060 .map(|new_point| (new_point, SelectionGoal::None));
1061 }
1062 // T F
1063 FindBackward {
1064 after,
1065 char,
1066 mode,
1067 smartcase,
1068 } => (
1069 find_backward(map, point, *after, *char, times, *mode, *smartcase),
1070 SelectionGoal::None,
1071 ),
1072 Sneak {
1073 first_char,
1074 second_char,
1075 smartcase,
1076 } => {
1077 return sneak(map, point, *first_char, *second_char, times, *smartcase)
1078 .map(|new_point| (new_point, SelectionGoal::None));
1079 }
1080 SneakBackward {
1081 first_char,
1082 second_char,
1083 smartcase,
1084 } => {
1085 return sneak_backward(map, point, *first_char, *second_char, times, *smartcase)
1086 .map(|new_point| (new_point, SelectionGoal::None));
1087 }
1088 // ; -- repeat the last find done with t, f, T, F
1089 RepeatFind { last_find } => match **last_find {
1090 Motion::FindForward {
1091 before,
1092 char,
1093 mode,
1094 smartcase,
1095 } => {
1096 let mut new_point =
1097 find_forward(map, point, before, char, times, mode, smartcase);
1098 if new_point == Some(point) {
1099 new_point =
1100 find_forward(map, point, before, char, times + 1, mode, smartcase);
1101 }
1102
1103 return new_point.map(|new_point| (new_point, SelectionGoal::None));
1104 }
1105
1106 Motion::FindBackward {
1107 after,
1108 char,
1109 mode,
1110 smartcase,
1111 } => {
1112 let mut new_point =
1113 find_backward(map, point, after, char, times, mode, smartcase);
1114 if new_point == point {
1115 new_point =
1116 find_backward(map, point, after, char, times + 1, mode, smartcase);
1117 }
1118
1119 (new_point, SelectionGoal::None)
1120 }
1121 Motion::Sneak {
1122 first_char,
1123 second_char,
1124 smartcase,
1125 } => {
1126 let mut new_point =
1127 sneak(map, point, first_char, second_char, times, smartcase);
1128 if new_point == Some(point) {
1129 new_point =
1130 sneak(map, point, first_char, second_char, times + 1, smartcase);
1131 }
1132
1133 return new_point.map(|new_point| (new_point, SelectionGoal::None));
1134 }
1135
1136 Motion::SneakBackward {
1137 first_char,
1138 second_char,
1139 smartcase,
1140 } => {
1141 let mut new_point =
1142 sneak_backward(map, point, first_char, second_char, times, smartcase);
1143 if new_point == Some(point) {
1144 new_point = sneak_backward(
1145 map,
1146 point,
1147 first_char,
1148 second_char,
1149 times + 1,
1150 smartcase,
1151 );
1152 }
1153
1154 return new_point.map(|new_point| (new_point, SelectionGoal::None));
1155 }
1156 _ => return None,
1157 },
1158 // , -- repeat the last find done with t, f, T, F, s, S, in opposite direction
1159 RepeatFindReversed { last_find } => match **last_find {
1160 Motion::FindForward {
1161 before,
1162 char,
1163 mode,
1164 smartcase,
1165 } => {
1166 let mut new_point =
1167 find_backward(map, point, before, char, times, mode, smartcase);
1168 if new_point == point {
1169 new_point =
1170 find_backward(map, point, before, char, times + 1, mode, smartcase);
1171 }
1172
1173 (new_point, SelectionGoal::None)
1174 }
1175
1176 Motion::FindBackward {
1177 after,
1178 char,
1179 mode,
1180 smartcase,
1181 } => {
1182 let mut new_point =
1183 find_forward(map, point, after, char, times, mode, smartcase);
1184 if new_point == Some(point) {
1185 new_point =
1186 find_forward(map, point, after, char, times + 1, mode, smartcase);
1187 }
1188
1189 return new_point.map(|new_point| (new_point, SelectionGoal::None));
1190 }
1191
1192 Motion::Sneak {
1193 first_char,
1194 second_char,
1195 smartcase,
1196 } => {
1197 let mut new_point =
1198 sneak_backward(map, point, first_char, second_char, times, smartcase);
1199 if new_point == Some(point) {
1200 new_point = sneak_backward(
1201 map,
1202 point,
1203 first_char,
1204 second_char,
1205 times + 1,
1206 smartcase,
1207 );
1208 }
1209
1210 return new_point.map(|new_point| (new_point, SelectionGoal::None));
1211 }
1212
1213 Motion::SneakBackward {
1214 first_char,
1215 second_char,
1216 smartcase,
1217 } => {
1218 let mut new_point =
1219 sneak(map, point, first_char, second_char, times, smartcase);
1220 if new_point == Some(point) {
1221 new_point =
1222 sneak(map, point, first_char, second_char, times + 1, smartcase);
1223 }
1224
1225 return new_point.map(|new_point| (new_point, SelectionGoal::None));
1226 }
1227 _ => return None,
1228 },
1229 NextLineStart => (next_line_start(map, point, times), SelectionGoal::None),
1230 PreviousLineStart => (previous_line_start(map, point, times), SelectionGoal::None),
1231 StartOfLineDownward => (next_line_start(map, point, times - 1), SelectionGoal::None),
1232 EndOfLineDownward => (last_non_whitespace(map, point, times), SelectionGoal::None),
1233 GoToColumn => (go_to_column(map, point, times), SelectionGoal::None),
1234 WindowTop => window_top(map, point, text_layout_details, times - 1),
1235 WindowMiddle => window_middle(map, point, text_layout_details),
1236 WindowBottom => window_bottom(map, point, text_layout_details, times - 1),
1237 Jump { line, anchor } => mark::jump_motion(map, *anchor, *line),
1238 ZedSearchResult { new_selections, .. } => {
1239 // There will be only one selection, as
1240 // Search::SelectNextMatch selects a single match.
1241 if let Some(new_selection) = new_selections.first() {
1242 (
1243 new_selection.start.to_display_point(map),
1244 SelectionGoal::None,
1245 )
1246 } else {
1247 return None;
1248 }
1249 }
1250 NextSectionStart => (
1251 section_motion(map, point, times, Direction::Next, true),
1252 SelectionGoal::None,
1253 ),
1254 NextSectionEnd => (
1255 section_motion(map, point, times, Direction::Next, false),
1256 SelectionGoal::None,
1257 ),
1258 PreviousSectionStart => (
1259 section_motion(map, point, times, Direction::Prev, true),
1260 SelectionGoal::None,
1261 ),
1262 PreviousSectionEnd => (
1263 section_motion(map, point, times, Direction::Prev, false),
1264 SelectionGoal::None,
1265 ),
1266
1267 NextMethodStart => (
1268 method_motion(map, point, times, Direction::Next, true),
1269 SelectionGoal::None,
1270 ),
1271 NextMethodEnd => (
1272 method_motion(map, point, times, Direction::Next, false),
1273 SelectionGoal::None,
1274 ),
1275 PreviousMethodStart => (
1276 method_motion(map, point, times, Direction::Prev, true),
1277 SelectionGoal::None,
1278 ),
1279 PreviousMethodEnd => (
1280 method_motion(map, point, times, Direction::Prev, false),
1281 SelectionGoal::None,
1282 ),
1283 NextComment => (
1284 comment_motion(map, point, times, Direction::Next),
1285 SelectionGoal::None,
1286 ),
1287 PreviousComment => (
1288 comment_motion(map, point, times, Direction::Prev),
1289 SelectionGoal::None,
1290 ),
1291 PreviousLesserIndent => (
1292 indent_motion(map, point, times, Direction::Prev, IndentType::Lesser),
1293 SelectionGoal::None,
1294 ),
1295 PreviousGreaterIndent => (
1296 indent_motion(map, point, times, Direction::Prev, IndentType::Greater),
1297 SelectionGoal::None,
1298 ),
1299 PreviousSameIndent => (
1300 indent_motion(map, point, times, Direction::Prev, IndentType::Same),
1301 SelectionGoal::None,
1302 ),
1303 NextLesserIndent => (
1304 indent_motion(map, point, times, Direction::Next, IndentType::Lesser),
1305 SelectionGoal::None,
1306 ),
1307 NextGreaterIndent => (
1308 indent_motion(map, point, times, Direction::Next, IndentType::Greater),
1309 SelectionGoal::None,
1310 ),
1311 NextSameIndent => (
1312 indent_motion(map, point, times, Direction::Next, IndentType::Same),
1313 SelectionGoal::None,
1314 ),
1315 };
1316 (new_point != point || infallible).then_some((new_point, goal))
1317 }
1318
1319 // Get the range value after self is applied to the specified selection.
1320 pub fn range(
1321 &self,
1322 map: &DisplaySnapshot,
1323 mut selection: Selection<DisplayPoint>,
1324 times: Option<usize>,
1325 text_layout_details: &TextLayoutDetails,
1326 forced_motion: bool,
1327 ) -> Option<(Range<DisplayPoint>, MotionKind)> {
1328 if let Motion::ZedSearchResult {
1329 prior_selections,
1330 new_selections,
1331 } = self
1332 {
1333 if let Some((prior_selection, new_selection)) =
1334 prior_selections.first().zip(new_selections.first())
1335 {
1336 let start = prior_selection
1337 .start
1338 .to_display_point(map)
1339 .min(new_selection.start.to_display_point(map));
1340 let end = new_selection
1341 .end
1342 .to_display_point(map)
1343 .max(prior_selection.end.to_display_point(map));
1344
1345 if start < end {
1346 return Some((start..end, MotionKind::Exclusive));
1347 } else {
1348 return Some((end..start, MotionKind::Exclusive));
1349 }
1350 } else {
1351 return None;
1352 }
1353 }
1354 let maybe_new_point = self.move_point(
1355 map,
1356 selection.head(),
1357 selection.goal,
1358 times,
1359 text_layout_details,
1360 );
1361
1362 let (new_head, goal) = match (maybe_new_point, forced_motion) {
1363 (Some((p, g)), _) => Some((p, g)),
1364 (None, false) => None,
1365 (None, true) => Some((selection.head(), selection.goal)),
1366 }?;
1367
1368 selection.set_head(new_head, goal);
1369
1370 let mut kind = match (self.default_kind(), forced_motion) {
1371 (MotionKind::Linewise, true) => MotionKind::Exclusive,
1372 (MotionKind::Exclusive, true) => MotionKind::Inclusive,
1373 (MotionKind::Inclusive, true) => MotionKind::Exclusive,
1374 (kind, false) => kind,
1375 };
1376
1377 if let Motion::NextWordStart {
1378 ignore_punctuation: _,
1379 } = self
1380 {
1381 // Another special case: When using the "w" motion in combination with an
1382 // operator and the last word moved over is at the end of a line, the end of
1383 // that word becomes the end of the operated text, not the first word in the
1384 // next line.
1385 let start = selection.start.to_point(map);
1386 let end = selection.end.to_point(map);
1387 let start_row = MultiBufferRow(selection.start.to_point(map).row);
1388 if end.row > start.row {
1389 selection.end = Point::new(start_row.0, map.buffer_snapshot().line_len(start_row))
1390 .to_display_point(map);
1391
1392 // a bit of a hack, we need `cw` on a blank line to not delete the newline,
1393 // but dw on a blank line should. The `Linewise` returned from this method
1394 // causes the `d` operator to include the trailing newline.
1395 if selection.start == selection.end {
1396 return Some((selection.start..selection.end, MotionKind::Linewise));
1397 }
1398 }
1399 } else if kind == MotionKind::Exclusive && !self.skip_exclusive_special_case() {
1400 let start_point = selection.start.to_point(map);
1401 let mut end_point = selection.end.to_point(map);
1402 let mut next_point = selection.end;
1403 *next_point.column_mut() += 1;
1404 next_point = map.clip_point(next_point, Bias::Right);
1405 if next_point.to_point(map) == end_point && forced_motion {
1406 selection.end = movement::saturating_left(map, selection.end);
1407 }
1408
1409 if end_point.row > start_point.row {
1410 let first_non_blank_of_start_row = map
1411 .line_indent_for_buffer_row(MultiBufferRow(start_point.row))
1412 .raw_len();
1413 // https://github.com/neovim/neovim/blob/ee143aaf65a0e662c42c636aa4a959682858b3e7/src/nvim/ops.c#L6178-L6203
1414 if end_point.column == 0 {
1415 // If the motion is exclusive and the end of the motion is in column 1, the
1416 // end of the motion is moved to the end of the previous line and the motion
1417 // becomes inclusive. Example: "}" moves to the first line after a paragraph,
1418 // but "d}" will not include that line.
1419 //
1420 // If the motion is exclusive, the end of the motion is in column 1 and the
1421 // start of the motion was at or before the first non-blank in the line, the
1422 // motion becomes linewise. Example: If a paragraph begins with some blanks
1423 // and you do "d}" while standing on the first non-blank, all the lines of
1424 // the paragraph are deleted, including the blanks.
1425 if start_point.column <= first_non_blank_of_start_row {
1426 kind = MotionKind::Linewise;
1427 } else {
1428 kind = MotionKind::Inclusive;
1429 }
1430 end_point.row -= 1;
1431 end_point.column = 0;
1432 selection.end = map.clip_point(map.next_line_boundary(end_point).1, Bias::Left);
1433 } else if let Motion::EndOfParagraph = self {
1434 // Special case: When using the "}" motion, it's possible
1435 // that there's no blank lines after the paragraph the
1436 // cursor is currently on.
1437 // In this situation the `end_point.column` value will be
1438 // greater than 0, so the selection doesn't actually end on
1439 // the first character of a blank line. In that case, we'll
1440 // want to move one column to the right, to actually include
1441 // all characters of the last non-blank line.
1442 selection.end = movement::saturating_right(map, selection.end)
1443 }
1444 }
1445 } else if kind == MotionKind::Inclusive {
1446 selection.end = movement::saturating_right(map, selection.end)
1447 }
1448
1449 if kind == MotionKind::Linewise {
1450 selection.start = map.prev_line_boundary(selection.start.to_point(map)).1;
1451 selection.end = map.next_line_boundary(selection.end.to_point(map)).1;
1452 }
1453 Some((selection.start..selection.end, kind))
1454 }
1455
1456 // Expands a selection using self for an operator
1457 pub fn expand_selection(
1458 &self,
1459 map: &DisplaySnapshot,
1460 selection: &mut Selection<DisplayPoint>,
1461 times: Option<usize>,
1462 text_layout_details: &TextLayoutDetails,
1463 forced_motion: bool,
1464 ) -> Option<MotionKind> {
1465 let (range, kind) = self.range(
1466 map,
1467 selection.clone(),
1468 times,
1469 text_layout_details,
1470 forced_motion,
1471 )?;
1472 selection.start = range.start;
1473 selection.end = range.end;
1474 Some(kind)
1475 }
1476}
1477
1478fn left(map: &DisplaySnapshot, mut point: DisplayPoint, times: usize) -> DisplayPoint {
1479 for _ in 0..times {
1480 point = movement::saturating_left(map, point);
1481 if point.column() == 0 {
1482 break;
1483 }
1484 }
1485 point
1486}
1487
1488pub(crate) fn wrapping_left(
1489 map: &DisplaySnapshot,
1490 mut point: DisplayPoint,
1491 times: usize,
1492) -> DisplayPoint {
1493 for _ in 0..times {
1494 point = movement::left(map, point);
1495 if point.is_zero() {
1496 break;
1497 }
1498 }
1499 point
1500}
1501
1502fn wrapping_right(map: &DisplaySnapshot, mut point: DisplayPoint, times: usize) -> DisplayPoint {
1503 for _ in 0..times {
1504 point = wrapping_right_single(map, point);
1505 if point == map.max_point() {
1506 break;
1507 }
1508 }
1509 point
1510}
1511
1512fn wrapping_right_single(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
1513 let mut next_point = point;
1514 *next_point.column_mut() += 1;
1515 next_point = map.clip_point(next_point, Bias::Right);
1516 if next_point == point {
1517 if next_point.row() == map.max_point().row() {
1518 next_point
1519 } else {
1520 DisplayPoint::new(next_point.row().next_row(), 0)
1521 }
1522 } else {
1523 next_point
1524 }
1525}
1526
1527fn up_down_buffer_rows(
1528 map: &DisplaySnapshot,
1529 mut point: DisplayPoint,
1530 mut goal: SelectionGoal,
1531 mut times: isize,
1532 text_layout_details: &TextLayoutDetails,
1533) -> (DisplayPoint, SelectionGoal) {
1534 let bias = if times < 0 { Bias::Left } else { Bias::Right };
1535
1536 while map.is_folded_buffer_header(point.row()) {
1537 if times < 0 {
1538 (point, _) = movement::up(map, point, goal, true, text_layout_details);
1539 times += 1;
1540 } else if times > 0 {
1541 (point, _) = movement::down(map, point, goal, true, text_layout_details);
1542 times -= 1;
1543 } else {
1544 break;
1545 }
1546 }
1547
1548 let start = map.display_point_to_fold_point(point, Bias::Left);
1549 let begin_folded_line = map.fold_point_to_display_point(
1550 map.fold_snapshot()
1551 .clip_point(FoldPoint::new(start.row(), 0), Bias::Left),
1552 );
1553 let select_nth_wrapped_row = point.row().0 - begin_folded_line.row().0;
1554
1555 let (goal_wrap, goal_x) = match goal {
1556 SelectionGoal::WrappedHorizontalPosition((row, x)) => (row, x),
1557 SelectionGoal::HorizontalRange { end, .. } => (select_nth_wrapped_row, end as f32),
1558 SelectionGoal::HorizontalPosition(x) => (select_nth_wrapped_row, x as f32),
1559 _ => {
1560 let x = map.x_for_display_point(point, text_layout_details);
1561 goal = SelectionGoal::WrappedHorizontalPosition((select_nth_wrapped_row, x.into()));
1562 (select_nth_wrapped_row, x.into())
1563 }
1564 };
1565
1566 let target = start.row() as isize + times;
1567 let new_row = (target.max(0) as u32).min(map.fold_snapshot().max_point().row());
1568
1569 let mut begin_folded_line = map.fold_point_to_display_point(
1570 map.fold_snapshot()
1571 .clip_point(FoldPoint::new(new_row, 0), bias),
1572 );
1573
1574 let mut i = 0;
1575 while i < goal_wrap && begin_folded_line.row() < map.max_point().row() {
1576 let next_folded_line = DisplayPoint::new(begin_folded_line.row().next_row(), 0);
1577 if map
1578 .display_point_to_fold_point(next_folded_line, bias)
1579 .row()
1580 == new_row
1581 {
1582 i += 1;
1583 begin_folded_line = next_folded_line;
1584 } else {
1585 break;
1586 }
1587 }
1588
1589 let new_col = if i == goal_wrap {
1590 map.display_column_for_x(begin_folded_line.row(), px(goal_x), text_layout_details)
1591 } else {
1592 map.line_len(begin_folded_line.row())
1593 };
1594
1595 let point = DisplayPoint::new(begin_folded_line.row(), new_col);
1596 let mut clipped_point = map.clip_point(point, bias);
1597
1598 // When navigating vertically in vim mode with inlay hints present,
1599 // we need to handle the case where clipping moves us to a different row.
1600 // This can happen when moving down (Bias::Right) and hitting an inlay hint.
1601 // Re-clip with opposite bias to stay on the intended line.
1602 //
1603 // See: https://github.com/zed-industries/zed/issues/29134
1604 if clipped_point.row() > point.row() {
1605 clipped_point = map.clip_point(point, Bias::Left);
1606 }
1607
1608 (clipped_point, goal)
1609}
1610
1611fn down_display(
1612 map: &DisplaySnapshot,
1613 mut point: DisplayPoint,
1614 mut goal: SelectionGoal,
1615 times: usize,
1616 text_layout_details: &TextLayoutDetails,
1617) -> (DisplayPoint, SelectionGoal) {
1618 for _ in 0..times {
1619 (point, goal) = movement::down(map, point, goal, true, text_layout_details);
1620 }
1621
1622 (point, goal)
1623}
1624
1625fn up_display(
1626 map: &DisplaySnapshot,
1627 mut point: DisplayPoint,
1628 mut goal: SelectionGoal,
1629 times: usize,
1630 text_layout_details: &TextLayoutDetails,
1631) -> (DisplayPoint, SelectionGoal) {
1632 for _ in 0..times {
1633 (point, goal) = movement::up(map, point, goal, true, text_layout_details);
1634 }
1635
1636 (point, goal)
1637}
1638
1639pub(crate) fn right(map: &DisplaySnapshot, mut point: DisplayPoint, times: usize) -> DisplayPoint {
1640 for _ in 0..times {
1641 let new_point = movement::saturating_right(map, point);
1642 if point == new_point {
1643 break;
1644 }
1645 point = new_point;
1646 }
1647 point
1648}
1649
1650pub(crate) fn next_char(
1651 map: &DisplaySnapshot,
1652 point: DisplayPoint,
1653 allow_cross_newline: bool,
1654) -> DisplayPoint {
1655 let mut new_point = point;
1656 let mut max_column = map.line_len(new_point.row());
1657 if !allow_cross_newline {
1658 max_column -= 1;
1659 }
1660 if new_point.column() < max_column {
1661 *new_point.column_mut() += 1;
1662 } else if new_point < map.max_point() && allow_cross_newline {
1663 *new_point.row_mut() += 1;
1664 *new_point.column_mut() = 0;
1665 }
1666 map.clip_ignoring_line_ends(new_point, Bias::Right)
1667}
1668
1669pub(crate) fn next_word_start(
1670 map: &DisplaySnapshot,
1671 mut point: DisplayPoint,
1672 ignore_punctuation: bool,
1673 times: usize,
1674) -> DisplayPoint {
1675 let classifier = map
1676 .buffer_snapshot()
1677 .char_classifier_at(point.to_point(map))
1678 .ignore_punctuation(ignore_punctuation);
1679 for _ in 0..times {
1680 let mut crossed_newline = false;
1681 let new_point = movement::find_boundary(map, point, FindRange::MultiLine, |left, right| {
1682 let left_kind = classifier.kind(left);
1683 let right_kind = classifier.kind(right);
1684 let at_newline = right == '\n';
1685
1686 let found = (left_kind != right_kind && right_kind != CharKind::Whitespace)
1687 || at_newline && crossed_newline
1688 || at_newline && left == '\n'; // Prevents skipping repeated empty lines
1689
1690 crossed_newline |= at_newline;
1691 found
1692 });
1693 if point == new_point {
1694 break;
1695 }
1696 point = new_point;
1697 }
1698 point
1699}
1700
1701pub(crate) fn next_word_end(
1702 map: &DisplaySnapshot,
1703 mut point: DisplayPoint,
1704 ignore_punctuation: bool,
1705 times: usize,
1706 allow_cross_newline: bool,
1707 always_advance: bool,
1708) -> DisplayPoint {
1709 let classifier = map
1710 .buffer_snapshot()
1711 .char_classifier_at(point.to_point(map))
1712 .ignore_punctuation(ignore_punctuation);
1713 for _ in 0..times {
1714 let mut need_next_char = false;
1715 let new_point = if always_advance {
1716 next_char(map, point, allow_cross_newline)
1717 } else {
1718 point
1719 };
1720 let new_point = movement::find_boundary_exclusive(
1721 map,
1722 new_point,
1723 FindRange::MultiLine,
1724 |left, right| {
1725 let left_kind = classifier.kind(left);
1726 let right_kind = classifier.kind(right);
1727 let at_newline = right == '\n';
1728
1729 if !allow_cross_newline && at_newline {
1730 need_next_char = true;
1731 return true;
1732 }
1733
1734 left_kind != right_kind && left_kind != CharKind::Whitespace
1735 },
1736 );
1737 let new_point = if need_next_char {
1738 next_char(map, new_point, true)
1739 } else {
1740 new_point
1741 };
1742 let new_point = map.clip_point(new_point, Bias::Left);
1743 if point == new_point {
1744 break;
1745 }
1746 point = new_point;
1747 }
1748 point
1749}
1750
1751fn previous_word_start(
1752 map: &DisplaySnapshot,
1753 mut point: DisplayPoint,
1754 ignore_punctuation: bool,
1755 times: usize,
1756) -> DisplayPoint {
1757 let classifier = map
1758 .buffer_snapshot()
1759 .char_classifier_at(point.to_point(map))
1760 .ignore_punctuation(ignore_punctuation);
1761 for _ in 0..times {
1762 // This works even though find_preceding_boundary is called for every character in the line containing
1763 // cursor because the newline is checked only once.
1764 let new_point = movement::find_preceding_boundary_display_point(
1765 map,
1766 point,
1767 FindRange::MultiLine,
1768 |left, right| {
1769 let left_kind = classifier.kind(left);
1770 let right_kind = classifier.kind(right);
1771
1772 (left_kind != right_kind && !right.is_whitespace()) || left == '\n'
1773 },
1774 );
1775 if point == new_point {
1776 break;
1777 }
1778 point = new_point;
1779 }
1780 point
1781}
1782
1783fn previous_word_end(
1784 map: &DisplaySnapshot,
1785 point: DisplayPoint,
1786 ignore_punctuation: bool,
1787 times: usize,
1788) -> DisplayPoint {
1789 let classifier = map
1790 .buffer_snapshot()
1791 .char_classifier_at(point.to_point(map))
1792 .ignore_punctuation(ignore_punctuation);
1793 let mut point = point.to_point(map);
1794
1795 if point.column < map.buffer_snapshot().line_len(MultiBufferRow(point.row))
1796 && let Some(ch) = map.buffer_snapshot().chars_at(point).next()
1797 {
1798 point.column += ch.len_utf8() as u32;
1799 }
1800 for _ in 0..times {
1801 let new_point = movement::find_preceding_boundary_point(
1802 &map.buffer_snapshot(),
1803 point,
1804 FindRange::MultiLine,
1805 |left, right| {
1806 let left_kind = classifier.kind(left);
1807 let right_kind = classifier.kind(right);
1808 match (left_kind, right_kind) {
1809 (CharKind::Punctuation, CharKind::Whitespace)
1810 | (CharKind::Punctuation, CharKind::Word)
1811 | (CharKind::Word, CharKind::Whitespace)
1812 | (CharKind::Word, CharKind::Punctuation) => true,
1813 (CharKind::Whitespace, CharKind::Whitespace) => left == '\n' && right == '\n',
1814 _ => false,
1815 }
1816 },
1817 );
1818 if new_point == point {
1819 break;
1820 }
1821 point = new_point;
1822 }
1823 movement::saturating_left(map, point.to_display_point(map))
1824}
1825
1826fn next_subword_start(
1827 map: &DisplaySnapshot,
1828 mut point: DisplayPoint,
1829 ignore_punctuation: bool,
1830 times: usize,
1831) -> DisplayPoint {
1832 let classifier = map
1833 .buffer_snapshot()
1834 .char_classifier_at(point.to_point(map))
1835 .ignore_punctuation(ignore_punctuation);
1836 for _ in 0..times {
1837 let mut crossed_newline = false;
1838 let new_point = movement::find_boundary(map, point, FindRange::MultiLine, |left, right| {
1839 let left_kind = classifier.kind(left);
1840 let right_kind = classifier.kind(right);
1841 let at_newline = right == '\n';
1842
1843 let is_word_start = (left_kind != right_kind) && !left.is_alphanumeric();
1844 let is_subword_start =
1845 left == '_' && right != '_' || left.is_lowercase() && right.is_uppercase();
1846
1847 let found = (!right.is_whitespace() && (is_word_start || is_subword_start))
1848 || at_newline && crossed_newline
1849 || at_newline && left == '\n'; // Prevents skipping repeated empty lines
1850
1851 crossed_newline |= at_newline;
1852 found
1853 });
1854 if point == new_point {
1855 break;
1856 }
1857 point = new_point;
1858 }
1859 point
1860}
1861
1862pub(crate) fn next_subword_end(
1863 map: &DisplaySnapshot,
1864 mut point: DisplayPoint,
1865 ignore_punctuation: bool,
1866 times: usize,
1867 allow_cross_newline: bool,
1868) -> DisplayPoint {
1869 let classifier = map
1870 .buffer_snapshot()
1871 .char_classifier_at(point.to_point(map))
1872 .ignore_punctuation(ignore_punctuation);
1873 for _ in 0..times {
1874 let new_point = next_char(map, point, allow_cross_newline);
1875
1876 let mut crossed_newline = false;
1877 let mut need_backtrack = false;
1878 let new_point =
1879 movement::find_boundary(map, new_point, FindRange::MultiLine, |left, right| {
1880 let left_kind = classifier.kind(left);
1881 let right_kind = classifier.kind(right);
1882 let at_newline = right == '\n';
1883
1884 if !allow_cross_newline && at_newline {
1885 return true;
1886 }
1887
1888 let is_word_end = (left_kind != right_kind) && !right.is_alphanumeric();
1889 let is_subword_end =
1890 left != '_' && right == '_' || left.is_lowercase() && right.is_uppercase();
1891
1892 let found = !left.is_whitespace() && !at_newline && (is_word_end || is_subword_end);
1893
1894 if found && (is_word_end || is_subword_end) {
1895 need_backtrack = true;
1896 }
1897
1898 crossed_newline |= at_newline;
1899 found
1900 });
1901 let mut new_point = map.clip_point(new_point, Bias::Left);
1902 if need_backtrack {
1903 *new_point.column_mut() -= 1;
1904 }
1905 let new_point = map.clip_point(new_point, Bias::Left);
1906 if point == new_point {
1907 break;
1908 }
1909 point = new_point;
1910 }
1911 point
1912}
1913
1914fn previous_subword_start(
1915 map: &DisplaySnapshot,
1916 mut point: DisplayPoint,
1917 ignore_punctuation: bool,
1918 times: usize,
1919) -> DisplayPoint {
1920 let classifier = map
1921 .buffer_snapshot()
1922 .char_classifier_at(point.to_point(map))
1923 .ignore_punctuation(ignore_punctuation);
1924 for _ in 0..times {
1925 let mut crossed_newline = false;
1926 // This works even though find_preceding_boundary is called for every character in the line containing
1927 // cursor because the newline is checked only once.
1928 let new_point = movement::find_preceding_boundary_display_point(
1929 map,
1930 point,
1931 FindRange::MultiLine,
1932 |left, right| {
1933 let left_kind = classifier.kind(left);
1934 let right_kind = classifier.kind(right);
1935 let at_newline = right == '\n';
1936
1937 let is_word_start = (left_kind != right_kind) && !left.is_alphanumeric();
1938 let is_subword_start =
1939 left == '_' && right != '_' || left.is_lowercase() && right.is_uppercase();
1940
1941 let found = (!right.is_whitespace() && (is_word_start || is_subword_start))
1942 || at_newline && crossed_newline
1943 || at_newline && left == '\n'; // Prevents skipping repeated empty lines
1944
1945 crossed_newline |= at_newline;
1946
1947 found
1948 },
1949 );
1950 if point == new_point {
1951 break;
1952 }
1953 point = new_point;
1954 }
1955 point
1956}
1957
1958fn previous_subword_end(
1959 map: &DisplaySnapshot,
1960 point: DisplayPoint,
1961 ignore_punctuation: bool,
1962 times: usize,
1963) -> DisplayPoint {
1964 let classifier = map
1965 .buffer_snapshot()
1966 .char_classifier_at(point.to_point(map))
1967 .ignore_punctuation(ignore_punctuation);
1968 let mut point = point.to_point(map);
1969
1970 if point.column < map.buffer_snapshot().line_len(MultiBufferRow(point.row))
1971 && let Some(ch) = map.buffer_snapshot().chars_at(point).next()
1972 {
1973 point.column += ch.len_utf8() as u32;
1974 }
1975 for _ in 0..times {
1976 let new_point = movement::find_preceding_boundary_point(
1977 &map.buffer_snapshot(),
1978 point,
1979 FindRange::MultiLine,
1980 |left, right| {
1981 let left_kind = classifier.kind(left);
1982 let right_kind = classifier.kind(right);
1983
1984 let is_subword_end =
1985 left != '_' && right == '_' || left.is_lowercase() && right.is_uppercase();
1986
1987 if is_subword_end {
1988 return true;
1989 }
1990
1991 match (left_kind, right_kind) {
1992 (CharKind::Word, CharKind::Whitespace)
1993 | (CharKind::Word, CharKind::Punctuation) => true,
1994 (CharKind::Whitespace, CharKind::Whitespace) => left == '\n' && right == '\n',
1995 _ => false,
1996 }
1997 },
1998 );
1999 if new_point == point {
2000 break;
2001 }
2002 point = new_point;
2003 }
2004 movement::saturating_left(map, point.to_display_point(map))
2005}
2006
2007pub(crate) fn first_non_whitespace(
2008 map: &DisplaySnapshot,
2009 display_lines: bool,
2010 from: DisplayPoint,
2011) -> DisplayPoint {
2012 let mut start_offset = start_of_line(map, display_lines, from).to_offset(map, Bias::Left);
2013 let classifier = map.buffer_snapshot().char_classifier_at(from.to_point(map));
2014 for (ch, offset) in map.buffer_chars_at(start_offset) {
2015 if ch == '\n' {
2016 return from;
2017 }
2018
2019 start_offset = offset;
2020
2021 if classifier.kind(ch) != CharKind::Whitespace {
2022 break;
2023 }
2024 }
2025
2026 start_offset.to_display_point(map)
2027}
2028
2029pub(crate) fn last_non_whitespace(
2030 map: &DisplaySnapshot,
2031 from: DisplayPoint,
2032 count: usize,
2033) -> DisplayPoint {
2034 let mut end_of_line = end_of_line(map, false, from, count).to_offset(map, Bias::Left);
2035 let classifier = map.buffer_snapshot().char_classifier_at(from.to_point(map));
2036
2037 // NOTE: depending on clip_at_line_end we may already be one char back from the end.
2038 if let Some((ch, _)) = map.buffer_chars_at(end_of_line).next()
2039 && classifier.kind(ch) != CharKind::Whitespace
2040 {
2041 return end_of_line.to_display_point(map);
2042 }
2043
2044 for (ch, offset) in map.reverse_buffer_chars_at(end_of_line) {
2045 if ch == '\n' {
2046 break;
2047 }
2048 end_of_line = offset;
2049 if classifier.kind(ch) != CharKind::Whitespace || ch == '\n' {
2050 break;
2051 }
2052 }
2053
2054 end_of_line.to_display_point(map)
2055}
2056
2057pub(crate) fn start_of_line(
2058 map: &DisplaySnapshot,
2059 display_lines: bool,
2060 point: DisplayPoint,
2061) -> DisplayPoint {
2062 if display_lines {
2063 map.clip_point(DisplayPoint::new(point.row(), 0), Bias::Right)
2064 } else {
2065 map.prev_line_boundary(point.to_point(map)).1
2066 }
2067}
2068
2069pub(crate) fn middle_of_line(
2070 map: &DisplaySnapshot,
2071 display_lines: bool,
2072 point: DisplayPoint,
2073 times: Option<usize>,
2074) -> DisplayPoint {
2075 let percent = if let Some(times) = times.filter(|&t| t <= 100) {
2076 times as f64 / 100.
2077 } else {
2078 0.5
2079 };
2080 if display_lines {
2081 map.clip_point(
2082 DisplayPoint::new(
2083 point.row(),
2084 (map.line_len(point.row()) as f64 * percent) as u32,
2085 ),
2086 Bias::Left,
2087 )
2088 } else {
2089 let mut buffer_point = point.to_point(map);
2090 buffer_point.column = (map
2091 .buffer_snapshot()
2092 .line_len(MultiBufferRow(buffer_point.row)) as f64
2093 * percent) as u32;
2094
2095 map.clip_point(buffer_point.to_display_point(map), Bias::Left)
2096 }
2097}
2098
2099pub(crate) fn end_of_line(
2100 map: &DisplaySnapshot,
2101 display_lines: bool,
2102 mut point: DisplayPoint,
2103 times: usize,
2104) -> DisplayPoint {
2105 if times > 1 {
2106 point = map.start_of_relative_buffer_row(point, times as isize - 1);
2107 }
2108 if display_lines {
2109 map.clip_point(
2110 DisplayPoint::new(point.row(), map.line_len(point.row())),
2111 Bias::Left,
2112 )
2113 } else {
2114 map.clip_point(map.next_line_boundary(point.to_point(map)).1, Bias::Left)
2115 }
2116}
2117
2118pub(crate) fn sentence_backwards(
2119 map: &DisplaySnapshot,
2120 point: DisplayPoint,
2121 mut times: usize,
2122) -> DisplayPoint {
2123 let mut start = point.to_point(map).to_offset(&map.buffer_snapshot());
2124 let mut chars = map.reverse_buffer_chars_at(start).peekable();
2125
2126 let mut was_newline = map
2127 .buffer_chars_at(start)
2128 .next()
2129 .is_some_and(|(c, _)| c == '\n');
2130
2131 while let Some((ch, offset)) = chars.next() {
2132 let start_of_next_sentence = if was_newline && ch == '\n' {
2133 Some(offset + ch.len_utf8())
2134 } else if ch == '\n' && chars.peek().is_some_and(|(c, _)| *c == '\n') {
2135 Some(next_non_blank(map, offset + ch.len_utf8()))
2136 } else if ch == '.' || ch == '?' || ch == '!' {
2137 start_of_next_sentence(map, offset + ch.len_utf8())
2138 } else {
2139 None
2140 };
2141
2142 if let Some(start_of_next_sentence) = start_of_next_sentence {
2143 if start_of_next_sentence < start {
2144 times = times.saturating_sub(1);
2145 }
2146 if times == 0 || offset.0 == 0 {
2147 return map.clip_point(
2148 start_of_next_sentence
2149 .to_offset(&map.buffer_snapshot())
2150 .to_display_point(map),
2151 Bias::Left,
2152 );
2153 }
2154 }
2155 if was_newline {
2156 start = offset;
2157 }
2158 was_newline = ch == '\n';
2159 }
2160
2161 DisplayPoint::zero()
2162}
2163
2164pub(crate) fn sentence_forwards(
2165 map: &DisplaySnapshot,
2166 point: DisplayPoint,
2167 mut times: usize,
2168) -> DisplayPoint {
2169 let start = point.to_point(map).to_offset(&map.buffer_snapshot());
2170 let mut chars = map.buffer_chars_at(start).peekable();
2171
2172 let mut was_newline = map
2173 .reverse_buffer_chars_at(start)
2174 .next()
2175 .is_some_and(|(c, _)| c == '\n')
2176 && chars.peek().is_some_and(|(c, _)| *c == '\n');
2177
2178 while let Some((ch, offset)) = chars.next() {
2179 if was_newline && ch == '\n' {
2180 continue;
2181 }
2182 let start_of_next_sentence = if was_newline {
2183 Some(next_non_blank(map, offset))
2184 } else if ch == '\n' && chars.peek().is_some_and(|(c, _)| *c == '\n') {
2185 Some(next_non_blank(map, offset + ch.len_utf8()))
2186 } else if ch == '.' || ch == '?' || ch == '!' {
2187 start_of_next_sentence(map, offset + ch.len_utf8())
2188 } else {
2189 None
2190 };
2191
2192 if let Some(start_of_next_sentence) = start_of_next_sentence {
2193 times = times.saturating_sub(1);
2194 if times == 0 {
2195 return map.clip_point(
2196 start_of_next_sentence
2197 .to_offset(&map.buffer_snapshot())
2198 .to_display_point(map),
2199 Bias::Right,
2200 );
2201 }
2202 }
2203
2204 was_newline = ch == '\n' && chars.peek().is_some_and(|(c, _)| *c == '\n');
2205 }
2206
2207 map.max_point()
2208}
2209
2210fn next_non_blank(map: &DisplaySnapshot, start: MultiBufferOffset) -> MultiBufferOffset {
2211 for (c, o) in map.buffer_chars_at(start) {
2212 if c == '\n' || !c.is_whitespace() {
2213 return o;
2214 }
2215 }
2216
2217 map.buffer_snapshot().len()
2218}
2219
2220// given the offset after a ., !, or ? find the start of the next sentence.
2221// if this is not a sentence boundary, returns None.
2222fn start_of_next_sentence(
2223 map: &DisplaySnapshot,
2224 end_of_sentence: MultiBufferOffset,
2225) -> Option<MultiBufferOffset> {
2226 let chars = map.buffer_chars_at(end_of_sentence);
2227 let mut seen_space = false;
2228
2229 for (char, offset) in chars {
2230 if !seen_space && (char == ')' || char == ']' || char == '"' || char == '\'') {
2231 continue;
2232 }
2233
2234 if char == '\n' && seen_space {
2235 return Some(offset);
2236 } else if char.is_whitespace() {
2237 seen_space = true;
2238 } else if seen_space {
2239 return Some(offset);
2240 } else {
2241 return None;
2242 }
2243 }
2244
2245 Some(map.buffer_snapshot().len())
2246}
2247
2248fn go_to_line(map: &DisplaySnapshot, display_point: DisplayPoint, line: usize) -> DisplayPoint {
2249 let point = map.display_point_to_point(display_point, Bias::Left);
2250 let Some(mut excerpt) = map.buffer_snapshot().excerpt_containing(point..point) else {
2251 return display_point;
2252 };
2253 let offset = excerpt.buffer().point_to_offset(
2254 excerpt
2255 .buffer()
2256 .clip_point(Point::new((line - 1) as u32, point.column), Bias::Left),
2257 );
2258 let buffer_range = excerpt.buffer_range();
2259 if offset >= buffer_range.start.0 && offset <= buffer_range.end.0 {
2260 let point = map
2261 .buffer_snapshot()
2262 .offset_to_point(excerpt.map_offset_from_buffer(BufferOffset(offset)));
2263 return map.clip_point(map.point_to_display_point(point, Bias::Left), Bias::Left);
2264 }
2265 let mut last_position = None;
2266 for (excerpt, buffer, range) in map.buffer_snapshot().excerpts() {
2267 let excerpt_range = language::ToOffset::to_offset(&range.context.start, buffer)
2268 ..language::ToOffset::to_offset(&range.context.end, buffer);
2269 if offset >= excerpt_range.start && offset <= excerpt_range.end {
2270 let text_anchor = buffer.anchor_after(offset);
2271 let anchor = Anchor::in_buffer(excerpt, text_anchor);
2272 return anchor.to_display_point(map);
2273 } else if offset <= excerpt_range.start {
2274 let anchor = Anchor::in_buffer(excerpt, range.context.start);
2275 return anchor.to_display_point(map);
2276 } else {
2277 last_position = Some(Anchor::in_buffer(excerpt, range.context.end));
2278 }
2279 }
2280
2281 let mut last_point = last_position.unwrap().to_point(&map.buffer_snapshot());
2282 last_point.column = point.column;
2283
2284 map.clip_point(
2285 map.point_to_display_point(
2286 map.buffer_snapshot().clip_point(point, Bias::Left),
2287 Bias::Left,
2288 ),
2289 Bias::Left,
2290 )
2291}
2292
2293fn start_of_document(
2294 map: &DisplaySnapshot,
2295 display_point: DisplayPoint,
2296 maybe_times: Option<usize>,
2297) -> DisplayPoint {
2298 if let Some(times) = maybe_times {
2299 return go_to_line(map, display_point, times);
2300 }
2301
2302 let point = map.display_point_to_point(display_point, Bias::Left);
2303 let mut first_point = Point::zero();
2304 first_point.column = point.column;
2305
2306 map.clip_point(
2307 map.point_to_display_point(
2308 map.buffer_snapshot().clip_point(first_point, Bias::Left),
2309 Bias::Left,
2310 ),
2311 Bias::Left,
2312 )
2313}
2314
2315fn end_of_document(
2316 map: &DisplaySnapshot,
2317 display_point: DisplayPoint,
2318 maybe_times: Option<usize>,
2319) -> DisplayPoint {
2320 if let Some(times) = maybe_times {
2321 return go_to_line(map, display_point, times);
2322 };
2323 let point = map.display_point_to_point(display_point, Bias::Left);
2324 let mut last_point = map.buffer_snapshot().max_point();
2325 last_point.column = point.column;
2326
2327 map.clip_point(
2328 map.point_to_display_point(
2329 map.buffer_snapshot().clip_point(last_point, Bias::Left),
2330 Bias::Left,
2331 ),
2332 Bias::Left,
2333 )
2334}
2335
2336fn matching_tag(map: &DisplaySnapshot, head: DisplayPoint) -> Option<DisplayPoint> {
2337 let inner = crate::object::surrounding_html_tag(map, head, head..head, false)?;
2338 let outer = crate::object::surrounding_html_tag(map, head, head..head, true)?;
2339
2340 if head > outer.start && head < inner.start {
2341 let mut offset = inner.end.to_offset(map, Bias::Left);
2342 for c in map.buffer_snapshot().chars_at(offset) {
2343 if c == '/' || c == '\n' || c == '>' {
2344 return Some(offset.to_display_point(map));
2345 }
2346 offset += c.len_utf8();
2347 }
2348 } else {
2349 let mut offset = outer.start.to_offset(map, Bias::Left);
2350 for c in map.buffer_snapshot().chars_at(offset) {
2351 offset += c.len_utf8();
2352 if c == '<' || c == '\n' {
2353 return Some(offset.to_display_point(map));
2354 }
2355 }
2356 }
2357
2358 None
2359}
2360
2361fn matching(map: &DisplaySnapshot, display_point: DisplayPoint) -> DisplayPoint {
2362 if !map.is_singleton() {
2363 return display_point;
2364 }
2365 // https://github.com/vim/vim/blob/1d87e11a1ef201b26ed87585fba70182ad0c468a/runtime/doc/motion.txt#L1200
2366 let display_point = map.clip_at_line_end(display_point);
2367 let point = display_point.to_point(map);
2368 let offset = point.to_offset(&map.buffer_snapshot());
2369 let snapshot = map.buffer_snapshot();
2370
2371 // Ensure the range is contained by the current line.
2372 let mut line_end = map.next_line_boundary(point).0;
2373 if line_end == point {
2374 line_end = map.max_point().to_point(map);
2375 }
2376
2377 // Attempt to find the smallest enclosing bracket range that also contains
2378 // the offset, which only happens if the cursor is currently in a bracket.
2379 let range_filter = |_buffer: &language::BufferSnapshot,
2380 opening_range: Range<BufferOffset>,
2381 closing_range: Range<BufferOffset>| {
2382 opening_range.contains(&BufferOffset(offset.0))
2383 || closing_range.contains(&BufferOffset(offset.0))
2384 };
2385
2386 let bracket_ranges = snapshot
2387 .innermost_enclosing_bracket_ranges(offset..offset, Some(&range_filter))
2388 .or_else(|| snapshot.innermost_enclosing_bracket_ranges(offset..offset, None));
2389
2390 if let Some((opening_range, closing_range)) = bracket_ranges {
2391 if opening_range.contains(&offset) {
2392 return closing_range.start.to_display_point(map);
2393 } else if closing_range.contains(&offset) {
2394 return opening_range.start.to_display_point(map);
2395 }
2396 }
2397
2398 let line_range = map.prev_line_boundary(point).0..line_end;
2399 let visible_line_range =
2400 line_range.start..Point::new(line_range.end.row, line_range.end.column.saturating_sub(1));
2401 let ranges = map.buffer_snapshot().bracket_ranges(visible_line_range);
2402 if let Some(ranges) = ranges {
2403 let line_range = line_range.start.to_offset(&map.buffer_snapshot())
2404 ..line_range.end.to_offset(&map.buffer_snapshot());
2405 let mut closest_pair_destination = None;
2406 let mut closest_distance = usize::MAX;
2407
2408 for (open_range, close_range) in ranges {
2409 if map.buffer_snapshot().chars_at(open_range.start).next() == Some('<') {
2410 if offset > open_range.start && offset < close_range.start {
2411 let mut chars = map.buffer_snapshot().chars_at(close_range.start);
2412 if (Some('/'), Some('>')) == (chars.next(), chars.next()) {
2413 return display_point;
2414 }
2415 if let Some(tag) = matching_tag(map, display_point) {
2416 return tag;
2417 }
2418 } else if close_range.contains(&offset) {
2419 return open_range.start.to_display_point(map);
2420 } else if open_range.contains(&offset) {
2421 return (close_range.end - 1).to_display_point(map);
2422 }
2423 }
2424
2425 if (open_range.contains(&offset) || open_range.start >= offset)
2426 && line_range.contains(&open_range.start)
2427 {
2428 let distance = open_range.start.saturating_sub(offset);
2429 if distance < closest_distance {
2430 closest_pair_destination = Some(close_range.start);
2431 closest_distance = distance;
2432 }
2433 }
2434
2435 if (close_range.contains(&offset) || close_range.start >= offset)
2436 && line_range.contains(&close_range.start)
2437 {
2438 let distance = close_range.start.saturating_sub(offset);
2439 if distance < closest_distance {
2440 closest_pair_destination = Some(open_range.start);
2441 closest_distance = distance;
2442 }
2443 }
2444
2445 continue;
2446 }
2447
2448 closest_pair_destination
2449 .map(|destination| destination.to_display_point(map))
2450 .unwrap_or(display_point)
2451 } else {
2452 display_point
2453 }
2454}
2455
2456// Go to {count} percentage in the file, on the first
2457// non-blank in the line linewise. To compute the new
2458// line number this formula is used:
2459// ({count} * number-of-lines + 99) / 100
2460//
2461// https://neovim.io/doc/user/motion.html#N%25
2462fn go_to_percentage(map: &DisplaySnapshot, point: DisplayPoint, count: usize) -> DisplayPoint {
2463 let total_lines = map.buffer_snapshot().max_point().row + 1;
2464 let target_line = (count * total_lines as usize).div_ceil(100);
2465 let target_point = DisplayPoint::new(
2466 DisplayRow(target_line.saturating_sub(1) as u32),
2467 point.column(),
2468 );
2469 map.clip_point(target_point, Bias::Left)
2470}
2471
2472fn unmatched_forward(
2473 map: &DisplaySnapshot,
2474 mut display_point: DisplayPoint,
2475 char: char,
2476 times: usize,
2477) -> DisplayPoint {
2478 for _ in 0..times {
2479 // https://github.com/vim/vim/blob/1d87e11a1ef201b26ed87585fba70182ad0c468a/runtime/doc/motion.txt#L1245
2480 let point = display_point.to_point(map);
2481 let offset = point.to_offset(&map.buffer_snapshot());
2482
2483 let ranges = map.buffer_snapshot().enclosing_bracket_ranges(point..point);
2484 let Some(ranges) = ranges else { break };
2485 let mut closest_closing_destination = None;
2486 let mut closest_distance = usize::MAX;
2487
2488 for (_, close_range) in ranges {
2489 if close_range.start > offset {
2490 let mut chars = map.buffer_snapshot().chars_at(close_range.start);
2491 if Some(char) == chars.next() {
2492 let distance = close_range.start - offset;
2493 if distance < closest_distance {
2494 closest_closing_destination = Some(close_range.start);
2495 closest_distance = distance;
2496 continue;
2497 }
2498 }
2499 }
2500 }
2501
2502 let new_point = closest_closing_destination
2503 .map(|destination| destination.to_display_point(map))
2504 .unwrap_or(display_point);
2505 if new_point == display_point {
2506 break;
2507 }
2508 display_point = new_point;
2509 }
2510 display_point
2511}
2512
2513fn unmatched_backward(
2514 map: &DisplaySnapshot,
2515 mut display_point: DisplayPoint,
2516 char: char,
2517 times: usize,
2518) -> DisplayPoint {
2519 for _ in 0..times {
2520 // https://github.com/vim/vim/blob/1d87e11a1ef201b26ed87585fba70182ad0c468a/runtime/doc/motion.txt#L1239
2521 let point = display_point.to_point(map);
2522 let offset = point.to_offset(&map.buffer_snapshot());
2523
2524 let ranges = map.buffer_snapshot().enclosing_bracket_ranges(point..point);
2525 let Some(ranges) = ranges else {
2526 break;
2527 };
2528
2529 let mut closest_starting_destination = None;
2530 let mut closest_distance = usize::MAX;
2531
2532 for (start_range, _) in ranges {
2533 if start_range.start < offset {
2534 let mut chars = map.buffer_snapshot().chars_at(start_range.start);
2535 if Some(char) == chars.next() {
2536 let distance = offset - start_range.start;
2537 if distance < closest_distance {
2538 closest_starting_destination = Some(start_range.start);
2539 closest_distance = distance;
2540 continue;
2541 }
2542 }
2543 }
2544 }
2545
2546 let new_point = closest_starting_destination
2547 .map(|destination| destination.to_display_point(map))
2548 .unwrap_or(display_point);
2549 if new_point == display_point {
2550 break;
2551 } else {
2552 display_point = new_point;
2553 }
2554 }
2555 display_point
2556}
2557
2558fn find_forward(
2559 map: &DisplaySnapshot,
2560 from: DisplayPoint,
2561 before: bool,
2562 target: char,
2563 times: usize,
2564 mode: FindRange,
2565 smartcase: bool,
2566) -> Option<DisplayPoint> {
2567 let mut to = from;
2568 let mut found = false;
2569
2570 for _ in 0..times {
2571 found = false;
2572 let new_to = find_boundary(map, to, mode, |_, right| {
2573 found = is_character_match(target, right, smartcase);
2574 found
2575 });
2576 if to == new_to {
2577 break;
2578 }
2579 to = new_to;
2580 }
2581
2582 if found {
2583 if before && to.column() > 0 {
2584 *to.column_mut() -= 1;
2585 Some(map.clip_point(to, Bias::Left))
2586 } else if before && to.row().0 > 0 {
2587 *to.row_mut() -= 1;
2588 *to.column_mut() = map.line(to.row()).len() as u32;
2589 Some(map.clip_point(to, Bias::Left))
2590 } else {
2591 Some(to)
2592 }
2593 } else {
2594 None
2595 }
2596}
2597
2598fn find_backward(
2599 map: &DisplaySnapshot,
2600 from: DisplayPoint,
2601 after: bool,
2602 target: char,
2603 times: usize,
2604 mode: FindRange,
2605 smartcase: bool,
2606) -> DisplayPoint {
2607 let mut to = from;
2608
2609 for _ in 0..times {
2610 let new_to = find_preceding_boundary_display_point(map, to, mode, |_, right| {
2611 is_character_match(target, right, smartcase)
2612 });
2613 if to == new_to {
2614 break;
2615 }
2616 to = new_to;
2617 }
2618
2619 let next = map.buffer_snapshot().chars_at(to.to_point(map)).next();
2620 if next.is_some() && is_character_match(target, next.unwrap(), smartcase) {
2621 if after {
2622 *to.column_mut() += 1;
2623 map.clip_point(to, Bias::Right)
2624 } else {
2625 to
2626 }
2627 } else {
2628 from
2629 }
2630}
2631
2632/// Returns true if one char is equal to the other or its uppercase variant (if smartcase is true).
2633pub fn is_character_match(target: char, other: char, smartcase: bool) -> bool {
2634 if smartcase {
2635 if target.is_uppercase() {
2636 target == other
2637 } else {
2638 target == other.to_ascii_lowercase()
2639 }
2640 } else {
2641 target == other
2642 }
2643}
2644
2645fn sneak(
2646 map: &DisplaySnapshot,
2647 from: DisplayPoint,
2648 first_target: char,
2649 second_target: char,
2650 times: usize,
2651 smartcase: bool,
2652) -> Option<DisplayPoint> {
2653 let mut to = from;
2654 let mut found = false;
2655
2656 for _ in 0..times {
2657 found = false;
2658 let new_to = find_boundary(
2659 map,
2660 movement::right(map, to),
2661 FindRange::MultiLine,
2662 |left, right| {
2663 found = is_character_match(first_target, left, smartcase)
2664 && is_character_match(second_target, right, smartcase);
2665 found
2666 },
2667 );
2668 if to == new_to {
2669 break;
2670 }
2671 to = new_to;
2672 }
2673
2674 if found {
2675 Some(movement::left(map, to))
2676 } else {
2677 None
2678 }
2679}
2680
2681fn sneak_backward(
2682 map: &DisplaySnapshot,
2683 from: DisplayPoint,
2684 first_target: char,
2685 second_target: char,
2686 times: usize,
2687 smartcase: bool,
2688) -> Option<DisplayPoint> {
2689 let mut to = from;
2690 let mut found = false;
2691
2692 for _ in 0..times {
2693 found = false;
2694 let new_to =
2695 find_preceding_boundary_display_point(map, to, FindRange::MultiLine, |left, right| {
2696 found = is_character_match(first_target, left, smartcase)
2697 && is_character_match(second_target, right, smartcase);
2698 found
2699 });
2700 if to == new_to {
2701 break;
2702 }
2703 to = new_to;
2704 }
2705
2706 if found {
2707 Some(movement::left(map, to))
2708 } else {
2709 None
2710 }
2711}
2712
2713fn next_line_start(map: &DisplaySnapshot, point: DisplayPoint, times: usize) -> DisplayPoint {
2714 let correct_line = map.start_of_relative_buffer_row(point, times as isize);
2715 first_non_whitespace(map, false, correct_line)
2716}
2717
2718fn previous_line_start(map: &DisplaySnapshot, point: DisplayPoint, times: usize) -> DisplayPoint {
2719 let correct_line = map.start_of_relative_buffer_row(point, -(times as isize));
2720 first_non_whitespace(map, false, correct_line)
2721}
2722
2723fn go_to_column(map: &DisplaySnapshot, point: DisplayPoint, times: usize) -> DisplayPoint {
2724 let correct_line = map.start_of_relative_buffer_row(point, 0);
2725 right(map, correct_line, times.saturating_sub(1))
2726}
2727
2728pub(crate) fn next_line_end(
2729 map: &DisplaySnapshot,
2730 mut point: DisplayPoint,
2731 times: usize,
2732) -> DisplayPoint {
2733 if times > 1 {
2734 point = map.start_of_relative_buffer_row(point, times as isize - 1);
2735 }
2736 end_of_line(map, false, point, 1)
2737}
2738
2739fn window_top(
2740 map: &DisplaySnapshot,
2741 point: DisplayPoint,
2742 text_layout_details: &TextLayoutDetails,
2743 mut times: usize,
2744) -> (DisplayPoint, SelectionGoal) {
2745 let first_visible_line = text_layout_details
2746 .scroll_anchor
2747 .anchor
2748 .to_display_point(map);
2749
2750 if first_visible_line.row() != DisplayRow(0)
2751 && text_layout_details.vertical_scroll_margin as usize > times
2752 {
2753 times = text_layout_details.vertical_scroll_margin.ceil() as usize;
2754 }
2755
2756 if let Some(visible_rows) = text_layout_details.visible_rows {
2757 let bottom_row = first_visible_line.row().0 + visible_rows as u32;
2758 let new_row = (first_visible_line.row().0 + (times as u32))
2759 .min(bottom_row)
2760 .min(map.max_point().row().0);
2761 let new_col = point.column().min(map.line_len(first_visible_line.row()));
2762
2763 let new_point = DisplayPoint::new(DisplayRow(new_row), new_col);
2764 (map.clip_point(new_point, Bias::Left), SelectionGoal::None)
2765 } else {
2766 let new_row =
2767 DisplayRow((first_visible_line.row().0 + (times as u32)).min(map.max_point().row().0));
2768 let new_col = point.column().min(map.line_len(first_visible_line.row()));
2769
2770 let new_point = DisplayPoint::new(new_row, new_col);
2771 (map.clip_point(new_point, Bias::Left), SelectionGoal::None)
2772 }
2773}
2774
2775fn window_middle(
2776 map: &DisplaySnapshot,
2777 point: DisplayPoint,
2778 text_layout_details: &TextLayoutDetails,
2779) -> (DisplayPoint, SelectionGoal) {
2780 if let Some(visible_rows) = text_layout_details.visible_rows {
2781 let first_visible_line = text_layout_details
2782 .scroll_anchor
2783 .anchor
2784 .to_display_point(map);
2785
2786 let max_visible_rows =
2787 (visible_rows as u32).min(map.max_point().row().0 - first_visible_line.row().0);
2788
2789 let new_row =
2790 (first_visible_line.row().0 + (max_visible_rows / 2)).min(map.max_point().row().0);
2791 let new_row = DisplayRow(new_row);
2792 let new_col = point.column().min(map.line_len(new_row));
2793 let new_point = DisplayPoint::new(new_row, new_col);
2794 (map.clip_point(new_point, Bias::Left), SelectionGoal::None)
2795 } else {
2796 (point, SelectionGoal::None)
2797 }
2798}
2799
2800fn window_bottom(
2801 map: &DisplaySnapshot,
2802 point: DisplayPoint,
2803 text_layout_details: &TextLayoutDetails,
2804 mut times: usize,
2805) -> (DisplayPoint, SelectionGoal) {
2806 if let Some(visible_rows) = text_layout_details.visible_rows {
2807 let first_visible_line = text_layout_details
2808 .scroll_anchor
2809 .anchor
2810 .to_display_point(map);
2811 let bottom_row = first_visible_line.row().0
2812 + (visible_rows + text_layout_details.scroll_anchor.offset.y - 1.).floor() as u32;
2813 if bottom_row < map.max_point().row().0
2814 && text_layout_details.vertical_scroll_margin as usize > times
2815 {
2816 times = text_layout_details.vertical_scroll_margin.ceil() as usize;
2817 }
2818 let bottom_row_capped = bottom_row.min(map.max_point().row().0);
2819 let new_row = if bottom_row_capped.saturating_sub(times as u32) < first_visible_line.row().0
2820 {
2821 first_visible_line.row()
2822 } else {
2823 DisplayRow(bottom_row_capped.saturating_sub(times as u32))
2824 };
2825 let new_col = point.column().min(map.line_len(new_row));
2826 let new_point = DisplayPoint::new(new_row, new_col);
2827 (map.clip_point(new_point, Bias::Left), SelectionGoal::None)
2828 } else {
2829 (point, SelectionGoal::None)
2830 }
2831}
2832
2833fn method_motion(
2834 map: &DisplaySnapshot,
2835 mut display_point: DisplayPoint,
2836 times: usize,
2837 direction: Direction,
2838 is_start: bool,
2839) -> DisplayPoint {
2840 let Some((_, _, buffer)) = map.buffer_snapshot().as_singleton() else {
2841 return display_point;
2842 };
2843
2844 for _ in 0..times {
2845 let point = map.display_point_to_point(display_point, Bias::Left);
2846 let offset = point.to_offset(&map.buffer_snapshot()).0;
2847 let range = if direction == Direction::Prev {
2848 0..offset
2849 } else {
2850 offset..buffer.len()
2851 };
2852
2853 let possibilities = buffer
2854 .text_object_ranges(range, language::TreeSitterOptions::max_start_depth(4))
2855 .filter_map(|(range, object)| {
2856 if !matches!(object, language::TextObject::AroundFunction) {
2857 return None;
2858 }
2859
2860 let relevant = if is_start { range.start } else { range.end };
2861 if direction == Direction::Prev && relevant < offset {
2862 Some(relevant)
2863 } else if direction == Direction::Next && relevant > offset + 1 {
2864 Some(relevant)
2865 } else {
2866 None
2867 }
2868 });
2869
2870 let dest = if direction == Direction::Prev {
2871 possibilities.max().unwrap_or(offset)
2872 } else {
2873 possibilities.min().unwrap_or(offset)
2874 };
2875 let new_point = map.clip_point(MultiBufferOffset(dest).to_display_point(map), Bias::Left);
2876 if new_point == display_point {
2877 break;
2878 }
2879 display_point = new_point;
2880 }
2881 display_point
2882}
2883
2884fn comment_motion(
2885 map: &DisplaySnapshot,
2886 mut display_point: DisplayPoint,
2887 times: usize,
2888 direction: Direction,
2889) -> DisplayPoint {
2890 let Some((_, _, buffer)) = map.buffer_snapshot().as_singleton() else {
2891 return display_point;
2892 };
2893
2894 for _ in 0..times {
2895 let point = map.display_point_to_point(display_point, Bias::Left);
2896 let offset = point.to_offset(&map.buffer_snapshot()).0;
2897 let range = if direction == Direction::Prev {
2898 0..offset
2899 } else {
2900 offset..buffer.len()
2901 };
2902
2903 let possibilities = buffer
2904 .text_object_ranges(range, language::TreeSitterOptions::max_start_depth(6))
2905 .filter_map(|(range, object)| {
2906 if !matches!(object, language::TextObject::AroundComment) {
2907 return None;
2908 }
2909
2910 let relevant = if direction == Direction::Prev {
2911 range.start
2912 } else {
2913 range.end
2914 };
2915 if direction == Direction::Prev && relevant < offset {
2916 Some(relevant)
2917 } else if direction == Direction::Next && relevant > offset + 1 {
2918 Some(relevant)
2919 } else {
2920 None
2921 }
2922 });
2923
2924 let dest = if direction == Direction::Prev {
2925 possibilities.max().unwrap_or(offset)
2926 } else {
2927 possibilities.min().unwrap_or(offset)
2928 };
2929 let new_point = map.clip_point(MultiBufferOffset(dest).to_display_point(map), Bias::Left);
2930 if new_point == display_point {
2931 break;
2932 }
2933 display_point = new_point;
2934 }
2935
2936 display_point
2937}
2938
2939fn section_motion(
2940 map: &DisplaySnapshot,
2941 mut display_point: DisplayPoint,
2942 times: usize,
2943 direction: Direction,
2944 is_start: bool,
2945) -> DisplayPoint {
2946 if map.buffer_snapshot().as_singleton().is_some() {
2947 for _ in 0..times {
2948 let offset = map
2949 .display_point_to_point(display_point, Bias::Left)
2950 .to_offset(&map.buffer_snapshot());
2951 let range = if direction == Direction::Prev {
2952 MultiBufferOffset(0)..offset
2953 } else {
2954 offset..map.buffer_snapshot().len()
2955 };
2956
2957 // we set a max start depth here because we want a section to only be "top level"
2958 // similar to vim's default of '{' in the first column.
2959 // (and without it, ]] at the start of editor.rs is -very- slow)
2960 let mut possibilities = map
2961 .buffer_snapshot()
2962 .text_object_ranges(range, language::TreeSitterOptions::max_start_depth(3))
2963 .filter(|(_, object)| {
2964 matches!(
2965 object,
2966 language::TextObject::AroundClass | language::TextObject::AroundFunction
2967 )
2968 })
2969 .collect::<Vec<_>>();
2970 possibilities.sort_by_key(|(range_a, _)| range_a.start);
2971 let mut prev_end = None;
2972 let possibilities = possibilities.into_iter().filter_map(|(range, t)| {
2973 if t == language::TextObject::AroundFunction
2974 && prev_end.is_some_and(|prev_end| prev_end > range.start)
2975 {
2976 return None;
2977 }
2978 prev_end = Some(range.end);
2979
2980 let relevant = if is_start { range.start } else { range.end };
2981 if direction == Direction::Prev && relevant < offset {
2982 Some(relevant)
2983 } else if direction == Direction::Next && relevant > offset + 1usize {
2984 Some(relevant)
2985 } else {
2986 None
2987 }
2988 });
2989
2990 let offset = if direction == Direction::Prev {
2991 possibilities.max().unwrap_or(MultiBufferOffset(0))
2992 } else {
2993 possibilities.min().unwrap_or(map.buffer_snapshot().len())
2994 };
2995
2996 let new_point = map.clip_point(offset.to_display_point(map), Bias::Left);
2997 if new_point == display_point {
2998 break;
2999 }
3000 display_point = new_point;
3001 }
3002 return display_point;
3003 };
3004
3005 for _ in 0..times {
3006 let next_point = if is_start {
3007 movement::start_of_excerpt(map, display_point, direction)
3008 } else {
3009 movement::end_of_excerpt(map, display_point, direction)
3010 };
3011 if next_point == display_point {
3012 break;
3013 }
3014 display_point = next_point;
3015 }
3016
3017 display_point
3018}
3019
3020fn matches_indent_type(
3021 target_indent: &text::LineIndent,
3022 current_indent: &text::LineIndent,
3023 indent_type: IndentType,
3024) -> bool {
3025 match indent_type {
3026 IndentType::Lesser => {
3027 target_indent.spaces < current_indent.spaces || target_indent.tabs < current_indent.tabs
3028 }
3029 IndentType::Greater => {
3030 target_indent.spaces > current_indent.spaces || target_indent.tabs > current_indent.tabs
3031 }
3032 IndentType::Same => {
3033 target_indent.spaces == current_indent.spaces
3034 && target_indent.tabs == current_indent.tabs
3035 }
3036 }
3037}
3038
3039fn indent_motion(
3040 map: &DisplaySnapshot,
3041 mut display_point: DisplayPoint,
3042 times: usize,
3043 direction: Direction,
3044 indent_type: IndentType,
3045) -> DisplayPoint {
3046 let buffer_point = map.display_point_to_point(display_point, Bias::Left);
3047 let current_row = MultiBufferRow(buffer_point.row);
3048 let current_indent = map.line_indent_for_buffer_row(current_row);
3049 if current_indent.is_line_empty() {
3050 return display_point;
3051 }
3052 let max_row = map.max_point().to_point(map).row;
3053
3054 for _ in 0..times {
3055 let current_buffer_row = map.display_point_to_point(display_point, Bias::Left).row;
3056
3057 let target_row = match direction {
3058 Direction::Next => (current_buffer_row + 1..=max_row).find(|&row| {
3059 let indent = map.line_indent_for_buffer_row(MultiBufferRow(row));
3060 !indent.is_line_empty()
3061 && matches_indent_type(&indent, ¤t_indent, indent_type)
3062 }),
3063 Direction::Prev => (0..current_buffer_row).rev().find(|&row| {
3064 let indent = map.line_indent_for_buffer_row(MultiBufferRow(row));
3065 !indent.is_line_empty()
3066 && matches_indent_type(&indent, ¤t_indent, indent_type)
3067 }),
3068 }
3069 .unwrap_or(current_buffer_row);
3070
3071 let new_point = map.point_to_display_point(Point::new(target_row, 0), Bias::Right);
3072 let new_point = first_non_whitespace(map, false, new_point);
3073 if new_point == display_point {
3074 break;
3075 }
3076 display_point = new_point;
3077 }
3078 display_point
3079}
3080
3081#[cfg(test)]
3082mod test {
3083
3084 use crate::{
3085 state::Mode,
3086 test::{NeovimBackedTestContext, VimTestContext},
3087 };
3088 use editor::Inlay;
3089 use indoc::indoc;
3090 use language::Point;
3091 use multi_buffer::MultiBufferRow;
3092
3093 #[gpui::test]
3094 async fn test_start_end_of_paragraph(cx: &mut gpui::TestAppContext) {
3095 let mut cx = NeovimBackedTestContext::new(cx).await;
3096
3097 let initial_state = indoc! {r"ˇabc
3098 def
3099
3100 paragraph
3101 the second
3102
3103
3104
3105 third and
3106 final"};
3107
3108 // goes down once
3109 cx.set_shared_state(initial_state).await;
3110 cx.simulate_shared_keystrokes("}").await;
3111 cx.shared_state().await.assert_eq(indoc! {r"abc
3112 def
3113 ˇ
3114 paragraph
3115 the second
3116
3117
3118
3119 third and
3120 final"});
3121
3122 // goes up once
3123 cx.simulate_shared_keystrokes("{").await;
3124 cx.shared_state().await.assert_eq(initial_state);
3125
3126 // goes down twice
3127 cx.simulate_shared_keystrokes("2 }").await;
3128 cx.shared_state().await.assert_eq(indoc! {r"abc
3129 def
3130
3131 paragraph
3132 the second
3133 ˇ
3134
3135
3136 third and
3137 final"});
3138
3139 // goes down over multiple blanks
3140 cx.simulate_shared_keystrokes("}").await;
3141 cx.shared_state().await.assert_eq(indoc! {r"abc
3142 def
3143
3144 paragraph
3145 the second
3146
3147
3148
3149 third and
3150 finaˇl"});
3151
3152 // goes up twice
3153 cx.simulate_shared_keystrokes("2 {").await;
3154 cx.shared_state().await.assert_eq(indoc! {r"abc
3155 def
3156 ˇ
3157 paragraph
3158 the second
3159
3160
3161
3162 third and
3163 final"});
3164 }
3165
3166 #[gpui::test]
3167 async fn test_matching(cx: &mut gpui::TestAppContext) {
3168 let mut cx = NeovimBackedTestContext::new(cx).await;
3169
3170 cx.set_shared_state(indoc! {r"func ˇ(a string) {
3171 do(something(with<Types>.and_arrays[0, 2]))
3172 }"})
3173 .await;
3174 cx.simulate_shared_keystrokes("%").await;
3175 cx.shared_state()
3176 .await
3177 .assert_eq(indoc! {r"func (a stringˇ) {
3178 do(something(with<Types>.and_arrays[0, 2]))
3179 }"});
3180
3181 // test it works on the last character of the line
3182 cx.set_shared_state(indoc! {r"func (a string) ˇ{
3183 do(something(with<Types>.and_arrays[0, 2]))
3184 }"})
3185 .await;
3186 cx.simulate_shared_keystrokes("%").await;
3187 cx.shared_state()
3188 .await
3189 .assert_eq(indoc! {r"func (a string) {
3190 do(something(with<Types>.and_arrays[0, 2]))
3191 ˇ}"});
3192
3193 // test it works on immediate nesting
3194 cx.set_shared_state("ˇ{()}").await;
3195 cx.simulate_shared_keystrokes("%").await;
3196 cx.shared_state().await.assert_eq("{()ˇ}");
3197 cx.simulate_shared_keystrokes("%").await;
3198 cx.shared_state().await.assert_eq("ˇ{()}");
3199
3200 // test it works on immediate nesting inside braces
3201 cx.set_shared_state("{\n ˇ{()}\n}").await;
3202 cx.simulate_shared_keystrokes("%").await;
3203 cx.shared_state().await.assert_eq("{\n {()ˇ}\n}");
3204
3205 // test it jumps to the next paren on a line
3206 cx.set_shared_state("func ˇboop() {\n}").await;
3207 cx.simulate_shared_keystrokes("%").await;
3208 cx.shared_state().await.assert_eq("func boop(ˇ) {\n}");
3209 }
3210
3211 #[gpui::test]
3212 async fn test_unmatched_forward(cx: &mut gpui::TestAppContext) {
3213 let mut cx = NeovimBackedTestContext::new(cx).await;
3214
3215 // test it works with curly braces
3216 cx.set_shared_state(indoc! {r"func (a string) {
3217 do(something(with<Types>.anˇd_arrays[0, 2]))
3218 }"})
3219 .await;
3220 cx.simulate_shared_keystrokes("] }").await;
3221 cx.shared_state()
3222 .await
3223 .assert_eq(indoc! {r"func (a string) {
3224 do(something(with<Types>.and_arrays[0, 2]))
3225 ˇ}"});
3226
3227 // test it works with brackets
3228 cx.set_shared_state(indoc! {r"func (a string) {
3229 do(somethiˇng(with<Types>.and_arrays[0, 2]))
3230 }"})
3231 .await;
3232 cx.simulate_shared_keystrokes("] )").await;
3233 cx.shared_state()
3234 .await
3235 .assert_eq(indoc! {r"func (a string) {
3236 do(something(with<Types>.and_arrays[0, 2])ˇ)
3237 }"});
3238
3239 cx.set_shared_state(indoc! {r"func (a string) { a((b, cˇ))}"})
3240 .await;
3241 cx.simulate_shared_keystrokes("] )").await;
3242 cx.shared_state()
3243 .await
3244 .assert_eq(indoc! {r"func (a string) { a((b, c)ˇ)}"});
3245
3246 // test it works on immediate nesting
3247 cx.set_shared_state("{ˇ {}{}}").await;
3248 cx.simulate_shared_keystrokes("] }").await;
3249 cx.shared_state().await.assert_eq("{ {}{}ˇ}");
3250 cx.set_shared_state("(ˇ ()())").await;
3251 cx.simulate_shared_keystrokes("] )").await;
3252 cx.shared_state().await.assert_eq("( ()()ˇ)");
3253
3254 // test it works on immediate nesting inside braces
3255 cx.set_shared_state("{\n ˇ {()}\n}").await;
3256 cx.simulate_shared_keystrokes("] }").await;
3257 cx.shared_state().await.assert_eq("{\n {()}\nˇ}");
3258 cx.set_shared_state("(\n ˇ {()}\n)").await;
3259 cx.simulate_shared_keystrokes("] )").await;
3260 cx.shared_state().await.assert_eq("(\n {()}\nˇ)");
3261 }
3262
3263 #[gpui::test]
3264 async fn test_unmatched_backward(cx: &mut gpui::TestAppContext) {
3265 let mut cx = NeovimBackedTestContext::new(cx).await;
3266
3267 // test it works with curly braces
3268 cx.set_shared_state(indoc! {r"func (a string) {
3269 do(something(with<Types>.anˇd_arrays[0, 2]))
3270 }"})
3271 .await;
3272 cx.simulate_shared_keystrokes("[ {").await;
3273 cx.shared_state()
3274 .await
3275 .assert_eq(indoc! {r"func (a string) ˇ{
3276 do(something(with<Types>.and_arrays[0, 2]))
3277 }"});
3278
3279 // test it works with brackets
3280 cx.set_shared_state(indoc! {r"func (a string) {
3281 do(somethiˇng(with<Types>.and_arrays[0, 2]))
3282 }"})
3283 .await;
3284 cx.simulate_shared_keystrokes("[ (").await;
3285 cx.shared_state()
3286 .await
3287 .assert_eq(indoc! {r"func (a string) {
3288 doˇ(something(with<Types>.and_arrays[0, 2]))
3289 }"});
3290
3291 // test it works on immediate nesting
3292 cx.set_shared_state("{{}{} ˇ }").await;
3293 cx.simulate_shared_keystrokes("[ {").await;
3294 cx.shared_state().await.assert_eq("ˇ{{}{} }");
3295 cx.set_shared_state("(()() ˇ )").await;
3296 cx.simulate_shared_keystrokes("[ (").await;
3297 cx.shared_state().await.assert_eq("ˇ(()() )");
3298
3299 // test it works on immediate nesting inside braces
3300 cx.set_shared_state("{\n {()} ˇ\n}").await;
3301 cx.simulate_shared_keystrokes("[ {").await;
3302 cx.shared_state().await.assert_eq("ˇ{\n {()} \n}");
3303 cx.set_shared_state("(\n {()} ˇ\n)").await;
3304 cx.simulate_shared_keystrokes("[ (").await;
3305 cx.shared_state().await.assert_eq("ˇ(\n {()} \n)");
3306 }
3307
3308 #[gpui::test]
3309 async fn test_unmatched_forward_markdown(cx: &mut gpui::TestAppContext) {
3310 let mut cx = NeovimBackedTestContext::new_markdown_with_rust(cx).await;
3311
3312 cx.neovim.exec("set filetype=markdown").await;
3313
3314 cx.set_shared_state(indoc! {r"
3315 ```rs
3316 impl Worktree {
3317 pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
3318 ˇ }
3319 }
3320 ```
3321 "})
3322 .await;
3323 cx.simulate_shared_keystrokes("] }").await;
3324 cx.shared_state().await.assert_eq(indoc! {r"
3325 ```rs
3326 impl Worktree {
3327 pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
3328 ˇ}
3329 }
3330 ```
3331 "});
3332
3333 cx.set_shared_state(indoc! {r"
3334 ```rs
3335 impl Worktree {
3336 pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
3337 } ˇ
3338 }
3339 ```
3340 "})
3341 .await;
3342 cx.simulate_shared_keystrokes("] }").await;
3343 cx.shared_state().await.assert_eq(indoc! {r"
3344 ```rs
3345 impl Worktree {
3346 pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
3347 } •
3348 ˇ}
3349 ```
3350 "});
3351 }
3352
3353 #[gpui::test]
3354 async fn test_unmatched_backward_markdown(cx: &mut gpui::TestAppContext) {
3355 let mut cx = NeovimBackedTestContext::new_markdown_with_rust(cx).await;
3356
3357 cx.neovim.exec("set filetype=markdown").await;
3358
3359 cx.set_shared_state(indoc! {r"
3360 ```rs
3361 impl Worktree {
3362 pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
3363 ˇ }
3364 }
3365 ```
3366 "})
3367 .await;
3368 cx.simulate_shared_keystrokes("[ {").await;
3369 cx.shared_state().await.assert_eq(indoc! {r"
3370 ```rs
3371 impl Worktree {
3372 pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> ˇ{
3373 }
3374 }
3375 ```
3376 "});
3377
3378 cx.set_shared_state(indoc! {r"
3379 ```rs
3380 impl Worktree {
3381 pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
3382 } ˇ
3383 }
3384 ```
3385 "})
3386 .await;
3387 cx.simulate_shared_keystrokes("[ {").await;
3388 cx.shared_state().await.assert_eq(indoc! {r"
3389 ```rs
3390 impl Worktree ˇ{
3391 pub async fn open_buffers(&self, path: &Path) -> impl Iterator<&Buffer> {
3392 } •
3393 }
3394 ```
3395 "});
3396 }
3397
3398 #[gpui::test]
3399 async fn test_matching_tags(cx: &mut gpui::TestAppContext) {
3400 let mut cx = NeovimBackedTestContext::new_html(cx).await;
3401
3402 cx.neovim.exec("set filetype=html").await;
3403
3404 cx.set_shared_state(indoc! {r"<bˇody></body>"}).await;
3405 cx.simulate_shared_keystrokes("%").await;
3406 cx.shared_state()
3407 .await
3408 .assert_eq(indoc! {r"<body><ˇ/body>"});
3409 cx.simulate_shared_keystrokes("%").await;
3410
3411 // test jumping backwards
3412 cx.shared_state()
3413 .await
3414 .assert_eq(indoc! {r"<ˇbody></body>"});
3415
3416 // test self-closing tags
3417 cx.set_shared_state(indoc! {r"<a><bˇr/></a>"}).await;
3418 cx.simulate_shared_keystrokes("%").await;
3419 cx.shared_state().await.assert_eq(indoc! {r"<a><bˇr/></a>"});
3420
3421 // test tag with attributes
3422 cx.set_shared_state(indoc! {r"<div class='test' ˇid='main'>
3423 </div>
3424 "})
3425 .await;
3426 cx.simulate_shared_keystrokes("%").await;
3427 cx.shared_state()
3428 .await
3429 .assert_eq(indoc! {r"<div class='test' id='main'>
3430 <ˇ/div>
3431 "});
3432
3433 // test multi-line self-closing tag
3434 cx.set_shared_state(indoc! {r#"<a>
3435 <br
3436 test = "test"
3437 /ˇ>
3438 </a>"#})
3439 .await;
3440 cx.simulate_shared_keystrokes("%").await;
3441 cx.shared_state().await.assert_eq(indoc! {r#"<a>
3442 ˇ<br
3443 test = "test"
3444 />
3445 </a>"#});
3446 }
3447
3448 #[gpui::test]
3449 async fn test_matching_braces_in_tag(cx: &mut gpui::TestAppContext) {
3450 let mut cx = NeovimBackedTestContext::new_typescript(cx).await;
3451
3452 // test brackets within tags
3453 cx.set_shared_state(indoc! {r"function f() {
3454 return (
3455 <div rules={ˇ[{ a: 1 }]}>
3456 <h1>test</h1>
3457 </div>
3458 );
3459 }"})
3460 .await;
3461 cx.simulate_shared_keystrokes("%").await;
3462 cx.shared_state().await.assert_eq(indoc! {r"function f() {
3463 return (
3464 <div rules={[{ a: 1 }ˇ]}>
3465 <h1>test</h1>
3466 </div>
3467 );
3468 }"});
3469 }
3470
3471 #[gpui::test]
3472 async fn test_matching_nested_brackets(cx: &mut gpui::TestAppContext) {
3473 let mut cx = NeovimBackedTestContext::new_tsx(cx).await;
3474
3475 cx.set_shared_state(indoc! {r"<Button onClick=ˇ{() => {}}></Button>"})
3476 .await;
3477 cx.simulate_shared_keystrokes("%").await;
3478 cx.shared_state()
3479 .await
3480 .assert_eq(indoc! {r"<Button onClick={() => {}ˇ}></Button>"});
3481 cx.simulate_shared_keystrokes("%").await;
3482 cx.shared_state()
3483 .await
3484 .assert_eq(indoc! {r"<Button onClick=ˇ{() => {}}></Button>"});
3485 }
3486
3487 #[gpui::test]
3488 async fn test_comma_semicolon(cx: &mut gpui::TestAppContext) {
3489 let mut cx = NeovimBackedTestContext::new(cx).await;
3490
3491 // f and F
3492 cx.set_shared_state("ˇone two three four").await;
3493 cx.simulate_shared_keystrokes("f o").await;
3494 cx.shared_state().await.assert_eq("one twˇo three four");
3495 cx.simulate_shared_keystrokes(",").await;
3496 cx.shared_state().await.assert_eq("ˇone two three four");
3497 cx.simulate_shared_keystrokes("2 ;").await;
3498 cx.shared_state().await.assert_eq("one two three fˇour");
3499 cx.simulate_shared_keystrokes("shift-f e").await;
3500 cx.shared_state().await.assert_eq("one two threˇe four");
3501 cx.simulate_shared_keystrokes("2 ;").await;
3502 cx.shared_state().await.assert_eq("onˇe two three four");
3503 cx.simulate_shared_keystrokes(",").await;
3504 cx.shared_state().await.assert_eq("one two thrˇee four");
3505
3506 // t and T
3507 cx.set_shared_state("ˇone two three four").await;
3508 cx.simulate_shared_keystrokes("t o").await;
3509 cx.shared_state().await.assert_eq("one tˇwo three four");
3510 cx.simulate_shared_keystrokes(",").await;
3511 cx.shared_state().await.assert_eq("oˇne two three four");
3512 cx.simulate_shared_keystrokes("2 ;").await;
3513 cx.shared_state().await.assert_eq("one two three ˇfour");
3514 cx.simulate_shared_keystrokes("shift-t e").await;
3515 cx.shared_state().await.assert_eq("one two threeˇ four");
3516 cx.simulate_shared_keystrokes("3 ;").await;
3517 cx.shared_state().await.assert_eq("oneˇ two three four");
3518 cx.simulate_shared_keystrokes(",").await;
3519 cx.shared_state().await.assert_eq("one two thˇree four");
3520 }
3521
3522 #[gpui::test]
3523 async fn test_next_word_end_newline_last_char(cx: &mut gpui::TestAppContext) {
3524 let mut cx = NeovimBackedTestContext::new(cx).await;
3525 let initial_state = indoc! {r"something(ˇfoo)"};
3526 cx.set_shared_state(initial_state).await;
3527 cx.simulate_shared_keystrokes("}").await;
3528 cx.shared_state().await.assert_eq("something(fooˇ)");
3529 }
3530
3531 #[gpui::test]
3532 async fn test_next_line_start(cx: &mut gpui::TestAppContext) {
3533 let mut cx = NeovimBackedTestContext::new(cx).await;
3534 cx.set_shared_state("ˇone\n two\nthree").await;
3535 cx.simulate_shared_keystrokes("enter").await;
3536 cx.shared_state().await.assert_eq("one\n ˇtwo\nthree");
3537 }
3538
3539 #[gpui::test]
3540 async fn test_end_of_line_downward(cx: &mut gpui::TestAppContext) {
3541 let mut cx = NeovimBackedTestContext::new(cx).await;
3542 cx.set_shared_state("ˇ one\n two \nthree").await;
3543 cx.simulate_shared_keystrokes("g _").await;
3544 cx.shared_state().await.assert_eq(" onˇe\n two \nthree");
3545
3546 cx.set_shared_state("ˇ one \n two \nthree").await;
3547 cx.simulate_shared_keystrokes("g _").await;
3548 cx.shared_state().await.assert_eq(" onˇe \n two \nthree");
3549 cx.simulate_shared_keystrokes("2 g _").await;
3550 cx.shared_state().await.assert_eq(" one \n twˇo \nthree");
3551 }
3552
3553 #[gpui::test]
3554 async fn test_window_top(cx: &mut gpui::TestAppContext) {
3555 let mut cx = NeovimBackedTestContext::new(cx).await;
3556 let initial_state = indoc! {r"abc
3557 def
3558 paragraph
3559 the second
3560 third ˇand
3561 final"};
3562
3563 cx.set_shared_state(initial_state).await;
3564 cx.simulate_shared_keystrokes("shift-h").await;
3565 cx.shared_state().await.assert_eq(indoc! {r"abˇc
3566 def
3567 paragraph
3568 the second
3569 third and
3570 final"});
3571
3572 // clip point
3573 cx.set_shared_state(indoc! {r"
3574 1 2 3
3575 4 5 6
3576 7 8 ˇ9
3577 "})
3578 .await;
3579 cx.simulate_shared_keystrokes("shift-h").await;
3580 cx.shared_state().await.assert_eq(indoc! {"
3581 1 2 ˇ3
3582 4 5 6
3583 7 8 9
3584 "});
3585
3586 cx.set_shared_state(indoc! {r"
3587 1 2 3
3588 4 5 6
3589 ˇ7 8 9
3590 "})
3591 .await;
3592 cx.simulate_shared_keystrokes("shift-h").await;
3593 cx.shared_state().await.assert_eq(indoc! {"
3594 ˇ1 2 3
3595 4 5 6
3596 7 8 9
3597 "});
3598
3599 cx.set_shared_state(indoc! {r"
3600 1 2 3
3601 4 5 ˇ6
3602 7 8 9"})
3603 .await;
3604 cx.simulate_shared_keystrokes("9 shift-h").await;
3605 cx.shared_state().await.assert_eq(indoc! {"
3606 1 2 3
3607 4 5 6
3608 7 8 ˇ9"});
3609 }
3610
3611 #[gpui::test]
3612 async fn test_window_middle(cx: &mut gpui::TestAppContext) {
3613 let mut cx = NeovimBackedTestContext::new(cx).await;
3614 let initial_state = indoc! {r"abˇc
3615 def
3616 paragraph
3617 the second
3618 third and
3619 final"};
3620
3621 cx.set_shared_state(initial_state).await;
3622 cx.simulate_shared_keystrokes("shift-m").await;
3623 cx.shared_state().await.assert_eq(indoc! {r"abc
3624 def
3625 paˇragraph
3626 the second
3627 third and
3628 final"});
3629
3630 cx.set_shared_state(indoc! {r"
3631 1 2 3
3632 4 5 6
3633 7 8 ˇ9
3634 "})
3635 .await;
3636 cx.simulate_shared_keystrokes("shift-m").await;
3637 cx.shared_state().await.assert_eq(indoc! {"
3638 1 2 3
3639 4 5 ˇ6
3640 7 8 9
3641 "});
3642 cx.set_shared_state(indoc! {r"
3643 1 2 3
3644 4 5 6
3645 ˇ7 8 9
3646 "})
3647 .await;
3648 cx.simulate_shared_keystrokes("shift-m").await;
3649 cx.shared_state().await.assert_eq(indoc! {"
3650 1 2 3
3651 ˇ4 5 6
3652 7 8 9
3653 "});
3654 cx.set_shared_state(indoc! {r"
3655 ˇ1 2 3
3656 4 5 6
3657 7 8 9
3658 "})
3659 .await;
3660 cx.simulate_shared_keystrokes("shift-m").await;
3661 cx.shared_state().await.assert_eq(indoc! {"
3662 1 2 3
3663 ˇ4 5 6
3664 7 8 9
3665 "});
3666 cx.set_shared_state(indoc! {r"
3667 1 2 3
3668 ˇ4 5 6
3669 7 8 9
3670 "})
3671 .await;
3672 cx.simulate_shared_keystrokes("shift-m").await;
3673 cx.shared_state().await.assert_eq(indoc! {"
3674 1 2 3
3675 ˇ4 5 6
3676 7 8 9
3677 "});
3678 cx.set_shared_state(indoc! {r"
3679 1 2 3
3680 4 5 ˇ6
3681 7 8 9
3682 "})
3683 .await;
3684 cx.simulate_shared_keystrokes("shift-m").await;
3685 cx.shared_state().await.assert_eq(indoc! {"
3686 1 2 3
3687 4 5 ˇ6
3688 7 8 9
3689 "});
3690 }
3691
3692 #[gpui::test]
3693 async fn test_window_bottom(cx: &mut gpui::TestAppContext) {
3694 let mut cx = NeovimBackedTestContext::new(cx).await;
3695 let initial_state = indoc! {r"abc
3696 deˇf
3697 paragraph
3698 the second
3699 third and
3700 final"};
3701
3702 cx.set_shared_state(initial_state).await;
3703 cx.simulate_shared_keystrokes("shift-l").await;
3704 cx.shared_state().await.assert_eq(indoc! {r"abc
3705 def
3706 paragraph
3707 the second
3708 third and
3709 fiˇnal"});
3710
3711 cx.set_shared_state(indoc! {r"
3712 1 2 3
3713 4 5 ˇ6
3714 7 8 9
3715 "})
3716 .await;
3717 cx.simulate_shared_keystrokes("shift-l").await;
3718 cx.shared_state().await.assert_eq(indoc! {"
3719 1 2 3
3720 4 5 6
3721 7 8 9
3722 ˇ"});
3723
3724 cx.set_shared_state(indoc! {r"
3725 1 2 3
3726 ˇ4 5 6
3727 7 8 9
3728 "})
3729 .await;
3730 cx.simulate_shared_keystrokes("shift-l").await;
3731 cx.shared_state().await.assert_eq(indoc! {"
3732 1 2 3
3733 4 5 6
3734 7 8 9
3735 ˇ"});
3736
3737 cx.set_shared_state(indoc! {r"
3738 1 2 ˇ3
3739 4 5 6
3740 7 8 9
3741 "})
3742 .await;
3743 cx.simulate_shared_keystrokes("shift-l").await;
3744 cx.shared_state().await.assert_eq(indoc! {"
3745 1 2 3
3746 4 5 6
3747 7 8 9
3748 ˇ"});
3749
3750 cx.set_shared_state(indoc! {r"
3751 ˇ1 2 3
3752 4 5 6
3753 7 8 9
3754 "})
3755 .await;
3756 cx.simulate_shared_keystrokes("shift-l").await;
3757 cx.shared_state().await.assert_eq(indoc! {"
3758 1 2 3
3759 4 5 6
3760 7 8 9
3761 ˇ"});
3762
3763 cx.set_shared_state(indoc! {r"
3764 1 2 3
3765 4 5 ˇ6
3766 7 8 9
3767 "})
3768 .await;
3769 cx.simulate_shared_keystrokes("9 shift-l").await;
3770 cx.shared_state().await.assert_eq(indoc! {"
3771 1 2 ˇ3
3772 4 5 6
3773 7 8 9
3774 "});
3775 }
3776
3777 #[gpui::test]
3778 async fn test_previous_word_end(cx: &mut gpui::TestAppContext) {
3779 let mut cx = NeovimBackedTestContext::new(cx).await;
3780 cx.set_shared_state(indoc! {r"
3781 456 5ˇ67 678
3782 "})
3783 .await;
3784 cx.simulate_shared_keystrokes("g e").await;
3785 cx.shared_state().await.assert_eq(indoc! {"
3786 45ˇ6 567 678
3787 "});
3788
3789 // Test times
3790 cx.set_shared_state(indoc! {r"
3791 123 234 345
3792 456 5ˇ67 678
3793 "})
3794 .await;
3795 cx.simulate_shared_keystrokes("4 g e").await;
3796 cx.shared_state().await.assert_eq(indoc! {"
3797 12ˇ3 234 345
3798 456 567 678
3799 "});
3800
3801 // With punctuation
3802 cx.set_shared_state(indoc! {r"
3803 123 234 345
3804 4;5.6 5ˇ67 678
3805 789 890 901
3806 "})
3807 .await;
3808 cx.simulate_shared_keystrokes("g e").await;
3809 cx.shared_state().await.assert_eq(indoc! {"
3810 123 234 345
3811 4;5.ˇ6 567 678
3812 789 890 901
3813 "});
3814
3815 // With punctuation and count
3816 cx.set_shared_state(indoc! {r"
3817 123 234 345
3818 4;5.6 5ˇ67 678
3819 789 890 901
3820 "})
3821 .await;
3822 cx.simulate_shared_keystrokes("5 g e").await;
3823 cx.shared_state().await.assert_eq(indoc! {"
3824 123 234 345
3825 ˇ4;5.6 567 678
3826 789 890 901
3827 "});
3828
3829 // newlines
3830 cx.set_shared_state(indoc! {r"
3831 123 234 345
3832
3833 78ˇ9 890 901
3834 "})
3835 .await;
3836 cx.simulate_shared_keystrokes("g e").await;
3837 cx.shared_state().await.assert_eq(indoc! {"
3838 123 234 345
3839 ˇ
3840 789 890 901
3841 "});
3842 cx.simulate_shared_keystrokes("g e").await;
3843 cx.shared_state().await.assert_eq(indoc! {"
3844 123 234 34ˇ5
3845
3846 789 890 901
3847 "});
3848
3849 // With punctuation
3850 cx.set_shared_state(indoc! {r"
3851 123 234 345
3852 4;5.ˇ6 567 678
3853 789 890 901
3854 "})
3855 .await;
3856 cx.simulate_shared_keystrokes("g shift-e").await;
3857 cx.shared_state().await.assert_eq(indoc! {"
3858 123 234 34ˇ5
3859 4;5.6 567 678
3860 789 890 901
3861 "});
3862
3863 // With multi byte char
3864 cx.set_shared_state(indoc! {r"
3865 bar ˇó
3866 "})
3867 .await;
3868 cx.simulate_shared_keystrokes("g e").await;
3869 cx.shared_state().await.assert_eq(indoc! {"
3870 baˇr ó
3871 "});
3872 }
3873
3874 #[gpui::test]
3875 async fn test_visual_match_eol(cx: &mut gpui::TestAppContext) {
3876 let mut cx = NeovimBackedTestContext::new(cx).await;
3877
3878 cx.set_shared_state(indoc! {"
3879 fn aˇ() {
3880 return
3881 }
3882 "})
3883 .await;
3884 cx.simulate_shared_keystrokes("v $ %").await;
3885 cx.shared_state().await.assert_eq(indoc! {"
3886 fn a«() {
3887 return
3888 }ˇ»
3889 "});
3890 }
3891
3892 #[gpui::test]
3893 async fn test_clipping_with_inlay_hints(cx: &mut gpui::TestAppContext) {
3894 let mut cx = VimTestContext::new(cx, true).await;
3895
3896 cx.set_state(
3897 indoc! {"
3898 struct Foo {
3899 ˇ
3900 }
3901 "},
3902 Mode::Normal,
3903 );
3904
3905 cx.update_editor(|editor, _window, cx| {
3906 let range = editor.selections.newest_anchor().range();
3907 let inlay_text = " field: int,\n field2: string\n field3: float";
3908 let inlay = Inlay::edit_prediction(1, range.start, inlay_text);
3909 editor.splice_inlays(&[], vec![inlay], cx);
3910 });
3911
3912 cx.simulate_keystrokes("j");
3913 cx.assert_state(
3914 indoc! {"
3915 struct Foo {
3916
3917 ˇ}
3918 "},
3919 Mode::Normal,
3920 );
3921 }
3922
3923 #[gpui::test]
3924 async fn test_clipping_with_inlay_hints_end_of_line(cx: &mut gpui::TestAppContext) {
3925 let mut cx = VimTestContext::new(cx, true).await;
3926
3927 cx.set_state(
3928 indoc! {"
3929 ˇstruct Foo {
3930
3931 }
3932 "},
3933 Mode::Normal,
3934 );
3935 cx.update_editor(|editor, _window, cx| {
3936 let snapshot = editor.buffer().read(cx).snapshot(cx);
3937 let end_of_line =
3938 snapshot.anchor_after(Point::new(0, snapshot.line_len(MultiBufferRow(0))));
3939 let inlay_text = " hint";
3940 let inlay = Inlay::edit_prediction(1, end_of_line, inlay_text);
3941 editor.splice_inlays(&[], vec![inlay], cx);
3942 });
3943 cx.simulate_keystrokes("$");
3944 cx.assert_state(
3945 indoc! {"
3946 struct Foo ˇ{
3947
3948 }
3949 "},
3950 Mode::Normal,
3951 );
3952 }
3953
3954 #[gpui::test]
3955 async fn test_visual_mode_with_inlay_hints_on_empty_line(cx: &mut gpui::TestAppContext) {
3956 let mut cx = VimTestContext::new(cx, true).await;
3957
3958 // Test the exact scenario from issue #29134
3959 cx.set_state(
3960 indoc! {"
3961 fn main() {
3962 let this_is_a_long_name = Vec::<u32>::new();
3963 let new_oneˇ = this_is_a_long_name
3964 .iter()
3965 .map(|i| i + 1)
3966 .map(|i| i * 2)
3967 .collect::<Vec<_>>();
3968 }
3969 "},
3970 Mode::Normal,
3971 );
3972
3973 // Add type hint inlay on the empty line (line 3, after "this_is_a_long_name")
3974 cx.update_editor(|editor, _window, cx| {
3975 let snapshot = editor.buffer().read(cx).snapshot(cx);
3976 // The empty line is at line 3 (0-indexed)
3977 let line_start = snapshot.anchor_after(Point::new(3, 0));
3978 let inlay_text = ": Vec<u32>";
3979 let inlay = Inlay::edit_prediction(1, line_start, inlay_text);
3980 editor.splice_inlays(&[], vec![inlay], cx);
3981 });
3982
3983 // Enter visual mode
3984 cx.simulate_keystrokes("v");
3985 cx.assert_state(
3986 indoc! {"
3987 fn main() {
3988 let this_is_a_long_name = Vec::<u32>::new();
3989 let new_one« ˇ»= this_is_a_long_name
3990 .iter()
3991 .map(|i| i + 1)
3992 .map(|i| i * 2)
3993 .collect::<Vec<_>>();
3994 }
3995 "},
3996 Mode::Visual,
3997 );
3998
3999 // Move down - should go to the beginning of line 4, not skip to line 5
4000 cx.simulate_keystrokes("j");
4001 cx.assert_state(
4002 indoc! {"
4003 fn main() {
4004 let this_is_a_long_name = Vec::<u32>::new();
4005 let new_one« = this_is_a_long_name
4006 ˇ» .iter()
4007 .map(|i| i + 1)
4008 .map(|i| i * 2)
4009 .collect::<Vec<_>>();
4010 }
4011 "},
4012 Mode::Visual,
4013 );
4014
4015 // Test with multiple movements
4016 cx.set_state("let aˇ = 1;\nlet b = 2;\n\nlet c = 3;", Mode::Normal);
4017
4018 // Add type hint on the empty line
4019 cx.update_editor(|editor, _window, cx| {
4020 let snapshot = editor.buffer().read(cx).snapshot(cx);
4021 let empty_line_start = snapshot.anchor_after(Point::new(2, 0));
4022 let inlay_text = ": i32";
4023 let inlay = Inlay::edit_prediction(2, empty_line_start, inlay_text);
4024 editor.splice_inlays(&[], vec![inlay], cx);
4025 });
4026
4027 // Enter visual mode and move down twice
4028 cx.simulate_keystrokes("v j j");
4029 cx.assert_state("let a« = 1;\nlet b = 2;\n\nˇ»let c = 3;", Mode::Visual);
4030 }
4031
4032 #[gpui::test]
4033 async fn test_go_to_percentage(cx: &mut gpui::TestAppContext) {
4034 let mut cx = NeovimBackedTestContext::new(cx).await;
4035 // Normal mode
4036 cx.set_shared_state(indoc! {"
4037 The ˇquick brown
4038 fox jumps over
4039 the lazy dog
4040 The quick brown
4041 fox jumps over
4042 the lazy dog
4043 The quick brown
4044 fox jumps over
4045 the lazy dog"})
4046 .await;
4047 cx.simulate_shared_keystrokes("2 0 %").await;
4048 cx.shared_state().await.assert_eq(indoc! {"
4049 The quick brown
4050 fox ˇjumps over
4051 the lazy dog
4052 The quick brown
4053 fox jumps over
4054 the lazy dog
4055 The quick brown
4056 fox jumps over
4057 the lazy dog"});
4058
4059 cx.simulate_shared_keystrokes("2 5 %").await;
4060 cx.shared_state().await.assert_eq(indoc! {"
4061 The quick brown
4062 fox jumps over
4063 the ˇlazy dog
4064 The quick brown
4065 fox jumps over
4066 the lazy dog
4067 The quick brown
4068 fox jumps over
4069 the lazy dog"});
4070
4071 cx.simulate_shared_keystrokes("7 5 %").await;
4072 cx.shared_state().await.assert_eq(indoc! {"
4073 The quick brown
4074 fox jumps over
4075 the lazy dog
4076 The quick brown
4077 fox jumps over
4078 the lazy dog
4079 The ˇquick brown
4080 fox jumps over
4081 the lazy dog"});
4082
4083 // Visual mode
4084 cx.set_shared_state(indoc! {"
4085 The ˇquick brown
4086 fox jumps over
4087 the lazy dog
4088 The quick brown
4089 fox jumps over
4090 the lazy dog
4091 The quick brown
4092 fox jumps over
4093 the lazy dog"})
4094 .await;
4095 cx.simulate_shared_keystrokes("v 5 0 %").await;
4096 cx.shared_state().await.assert_eq(indoc! {"
4097 The «quick brown
4098 fox jumps over
4099 the lazy dog
4100 The quick brown
4101 fox jˇ»umps over
4102 the lazy dog
4103 The quick brown
4104 fox jumps over
4105 the lazy dog"});
4106
4107 cx.set_shared_state(indoc! {"
4108 The ˇquick brown
4109 fox jumps over
4110 the lazy dog
4111 The quick brown
4112 fox jumps over
4113 the lazy dog
4114 The quick brown
4115 fox jumps over
4116 the lazy dog"})
4117 .await;
4118 cx.simulate_shared_keystrokes("v 1 0 0 %").await;
4119 cx.shared_state().await.assert_eq(indoc! {"
4120 The «quick brown
4121 fox jumps over
4122 the lazy dog
4123 The quick brown
4124 fox jumps over
4125 the lazy dog
4126 The quick brown
4127 fox jumps over
4128 the lˇ»azy dog"});
4129 }
4130
4131 #[gpui::test]
4132 async fn test_space_non_ascii(cx: &mut gpui::TestAppContext) {
4133 let mut cx = NeovimBackedTestContext::new(cx).await;
4134
4135 cx.set_shared_state("ˇπππππ").await;
4136 cx.simulate_shared_keystrokes("3 space").await;
4137 cx.shared_state().await.assert_eq("πππˇππ");
4138 }
4139
4140 #[gpui::test]
4141 async fn test_space_non_ascii_eol(cx: &mut gpui::TestAppContext) {
4142 let mut cx = NeovimBackedTestContext::new(cx).await;
4143
4144 cx.set_shared_state(indoc! {"
4145 ππππˇπ
4146 πanotherline"})
4147 .await;
4148 cx.simulate_shared_keystrokes("4 space").await;
4149 cx.shared_state().await.assert_eq(indoc! {"
4150 πππππ
4151 πanˇotherline"});
4152 }
4153
4154 #[gpui::test]
4155 async fn test_backspace_non_ascii_bol(cx: &mut gpui::TestAppContext) {
4156 let mut cx = NeovimBackedTestContext::new(cx).await;
4157
4158 cx.set_shared_state(indoc! {"
4159 ππππ
4160 πanˇotherline"})
4161 .await;
4162 cx.simulate_shared_keystrokes("4 backspace").await;
4163 cx.shared_state().await.assert_eq(indoc! {"
4164 πππˇπ
4165 πanotherline"});
4166 }
4167
4168 #[gpui::test]
4169 async fn test_go_to_indent(cx: &mut gpui::TestAppContext) {
4170 let mut cx = VimTestContext::new(cx, true).await;
4171 cx.set_state(
4172 indoc! {
4173 "func empty(a string) bool {
4174 ˇif a == \"\" {
4175 return true
4176 }
4177 return false
4178 }"
4179 },
4180 Mode::Normal,
4181 );
4182 cx.simulate_keystrokes("[ -");
4183 cx.assert_state(
4184 indoc! {
4185 "ˇfunc empty(a string) bool {
4186 if a == \"\" {
4187 return true
4188 }
4189 return false
4190 }"
4191 },
4192 Mode::Normal,
4193 );
4194 cx.simulate_keystrokes("] =");
4195 cx.assert_state(
4196 indoc! {
4197 "func empty(a string) bool {
4198 if a == \"\" {
4199 return true
4200 }
4201 return false
4202 ˇ}"
4203 },
4204 Mode::Normal,
4205 );
4206 cx.simulate_keystrokes("[ +");
4207 cx.assert_state(
4208 indoc! {
4209 "func empty(a string) bool {
4210 if a == \"\" {
4211 return true
4212 }
4213 ˇreturn false
4214 }"
4215 },
4216 Mode::Normal,
4217 );
4218 cx.simulate_keystrokes("2 [ =");
4219 cx.assert_state(
4220 indoc! {
4221 "func empty(a string) bool {
4222 ˇif a == \"\" {
4223 return true
4224 }
4225 return false
4226 }"
4227 },
4228 Mode::Normal,
4229 );
4230 cx.simulate_keystrokes("] +");
4231 cx.assert_state(
4232 indoc! {
4233 "func empty(a string) bool {
4234 if a == \"\" {
4235 ˇreturn true
4236 }
4237 return false
4238 }"
4239 },
4240 Mode::Normal,
4241 );
4242 cx.simulate_keystrokes("] -");
4243 cx.assert_state(
4244 indoc! {
4245 "func empty(a string) bool {
4246 if a == \"\" {
4247 return true
4248 ˇ}
4249 return false
4250 }"
4251 },
4252 Mode::Normal,
4253 );
4254 }
4255
4256 #[gpui::test]
4257 async fn test_delete_key_can_remove_last_character(cx: &mut gpui::TestAppContext) {
4258 let mut cx = NeovimBackedTestContext::new(cx).await;
4259 cx.set_shared_state("abˇc").await;
4260 cx.simulate_shared_keystrokes("delete").await;
4261 cx.shared_state().await.assert_eq("aˇb");
4262 }
4263
4264 #[gpui::test]
4265 async fn test_forced_motion_delete_to_start_of_line(cx: &mut gpui::TestAppContext) {
4266 let mut cx = NeovimBackedTestContext::new(cx).await;
4267
4268 cx.set_shared_state(indoc! {"
4269 ˇthe quick brown fox
4270 jumped over the lazy dog"})
4271 .await;
4272 cx.simulate_shared_keystrokes("d v 0").await;
4273 cx.shared_state().await.assert_eq(indoc! {"
4274 ˇhe quick brown fox
4275 jumped over the lazy dog"});
4276 assert!(!cx.cx.forced_motion());
4277
4278 cx.set_shared_state(indoc! {"
4279 the quick bˇrown fox
4280 jumped over the lazy dog"})
4281 .await;
4282 cx.simulate_shared_keystrokes("d v 0").await;
4283 cx.shared_state().await.assert_eq(indoc! {"
4284 ˇown fox
4285 jumped over the lazy dog"});
4286 assert!(!cx.cx.forced_motion());
4287
4288 cx.set_shared_state(indoc! {"
4289 the quick brown foˇx
4290 jumped over the lazy dog"})
4291 .await;
4292 cx.simulate_shared_keystrokes("d v 0").await;
4293 cx.shared_state().await.assert_eq(indoc! {"
4294 ˇ
4295 jumped over the lazy dog"});
4296 assert!(!cx.cx.forced_motion());
4297 }
4298
4299 #[gpui::test]
4300 async fn test_forced_motion_delete_to_middle_of_line(cx: &mut gpui::TestAppContext) {
4301 let mut cx = NeovimBackedTestContext::new(cx).await;
4302
4303 cx.set_shared_state(indoc! {"
4304 ˇthe quick brown fox
4305 jumped over the lazy dog"})
4306 .await;
4307 cx.simulate_shared_keystrokes("d v g shift-m").await;
4308 cx.shared_state().await.assert_eq(indoc! {"
4309 ˇbrown fox
4310 jumped over the lazy dog"});
4311 assert!(!cx.cx.forced_motion());
4312
4313 cx.set_shared_state(indoc! {"
4314 the quick bˇrown fox
4315 jumped over the lazy dog"})
4316 .await;
4317 cx.simulate_shared_keystrokes("d v g shift-m").await;
4318 cx.shared_state().await.assert_eq(indoc! {"
4319 the quickˇown fox
4320 jumped over the lazy dog"});
4321 assert!(!cx.cx.forced_motion());
4322
4323 cx.set_shared_state(indoc! {"
4324 the quick brown foˇx
4325 jumped over the lazy dog"})
4326 .await;
4327 cx.simulate_shared_keystrokes("d v g shift-m").await;
4328 cx.shared_state().await.assert_eq(indoc! {"
4329 the quicˇk
4330 jumped over the lazy dog"});
4331 assert!(!cx.cx.forced_motion());
4332
4333 cx.set_shared_state(indoc! {"
4334 ˇthe quick brown fox
4335 jumped over the lazy dog"})
4336 .await;
4337 cx.simulate_shared_keystrokes("d v 7 5 g shift-m").await;
4338 cx.shared_state().await.assert_eq(indoc! {"
4339 ˇ fox
4340 jumped over the lazy dog"});
4341 assert!(!cx.cx.forced_motion());
4342
4343 cx.set_shared_state(indoc! {"
4344 ˇthe quick brown fox
4345 jumped over the lazy dog"})
4346 .await;
4347 cx.simulate_shared_keystrokes("d v 2 3 g shift-m").await;
4348 cx.shared_state().await.assert_eq(indoc! {"
4349 ˇuick brown fox
4350 jumped over the lazy dog"});
4351 assert!(!cx.cx.forced_motion());
4352 }
4353
4354 #[gpui::test]
4355 async fn test_forced_motion_delete_to_end_of_line(cx: &mut gpui::TestAppContext) {
4356 let mut cx = NeovimBackedTestContext::new(cx).await;
4357
4358 cx.set_shared_state(indoc! {"
4359 the quick brown foˇx
4360 jumped over the lazy dog"})
4361 .await;
4362 cx.simulate_shared_keystrokes("d v $").await;
4363 cx.shared_state().await.assert_eq(indoc! {"
4364 the quick brown foˇx
4365 jumped over the lazy dog"});
4366 assert!(!cx.cx.forced_motion());
4367
4368 cx.set_shared_state(indoc! {"
4369 ˇthe quick brown fox
4370 jumped over the lazy dog"})
4371 .await;
4372 cx.simulate_shared_keystrokes("d v $").await;
4373 cx.shared_state().await.assert_eq(indoc! {"
4374 ˇx
4375 jumped over the lazy dog"});
4376 assert!(!cx.cx.forced_motion());
4377 }
4378
4379 #[gpui::test]
4380 async fn test_forced_motion_yank(cx: &mut gpui::TestAppContext) {
4381 let mut cx = NeovimBackedTestContext::new(cx).await;
4382
4383 cx.set_shared_state(indoc! {"
4384 ˇthe quick brown fox
4385 jumped over the lazy dog"})
4386 .await;
4387 cx.simulate_shared_keystrokes("y v j p").await;
4388 cx.shared_state().await.assert_eq(indoc! {"
4389 the quick brown fox
4390 ˇthe quick brown fox
4391 jumped over the lazy dog"});
4392 assert!(!cx.cx.forced_motion());
4393
4394 cx.set_shared_state(indoc! {"
4395 the quick bˇrown fox
4396 jumped over the lazy dog"})
4397 .await;
4398 cx.simulate_shared_keystrokes("y v j p").await;
4399 cx.shared_state().await.assert_eq(indoc! {"
4400 the quick brˇrown fox
4401 jumped overown fox
4402 jumped over the lazy dog"});
4403 assert!(!cx.cx.forced_motion());
4404
4405 cx.set_shared_state(indoc! {"
4406 the quick brown foˇx
4407 jumped over the lazy dog"})
4408 .await;
4409 cx.simulate_shared_keystrokes("y v j p").await;
4410 cx.shared_state().await.assert_eq(indoc! {"
4411 the quick brown foxˇx
4412 jumped over the la
4413 jumped over the lazy dog"});
4414 assert!(!cx.cx.forced_motion());
4415
4416 cx.set_shared_state(indoc! {"
4417 the quick brown fox
4418 jˇumped over the lazy dog"})
4419 .await;
4420 cx.simulate_shared_keystrokes("y v k p").await;
4421 cx.shared_state().await.assert_eq(indoc! {"
4422 thˇhe quick brown fox
4423 je quick brown fox
4424 jumped over the lazy dog"});
4425 assert!(!cx.cx.forced_motion());
4426 }
4427
4428 #[gpui::test]
4429 async fn test_inclusive_to_exclusive_delete(cx: &mut gpui::TestAppContext) {
4430 let mut cx = NeovimBackedTestContext::new(cx).await;
4431
4432 cx.set_shared_state(indoc! {"
4433 ˇthe quick brown fox
4434 jumped over the lazy dog"})
4435 .await;
4436 cx.simulate_shared_keystrokes("d v e").await;
4437 cx.shared_state().await.assert_eq(indoc! {"
4438 ˇe quick brown fox
4439 jumped over the lazy dog"});
4440 assert!(!cx.cx.forced_motion());
4441
4442 cx.set_shared_state(indoc! {"
4443 the quick bˇrown fox
4444 jumped over the lazy dog"})
4445 .await;
4446 cx.simulate_shared_keystrokes("d v e").await;
4447 cx.shared_state().await.assert_eq(indoc! {"
4448 the quick bˇn fox
4449 jumped over the lazy dog"});
4450 assert!(!cx.cx.forced_motion());
4451
4452 cx.set_shared_state(indoc! {"
4453 the quick brown foˇx
4454 jumped over the lazy dog"})
4455 .await;
4456 cx.simulate_shared_keystrokes("d v e").await;
4457 cx.shared_state().await.assert_eq(indoc! {"
4458 the quick brown foˇd over the lazy dog"});
4459 assert!(!cx.cx.forced_motion());
4460 }
4461}