1use editor::{
2 Anchor, Bias, BufferOffset, DisplayPoint, Editor, MultiBufferOffset, RowExt, ToOffset,
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 for (excerpt, buffer, range) in map.buffer_snapshot().excerpts() {
2266 let excerpt_range = language::ToOffset::to_offset(&range.context.start, buffer)
2267 ..language::ToOffset::to_offset(&range.context.end, buffer);
2268 if offset >= excerpt_range.start && offset <= excerpt_range.end {
2269 let text_anchor = buffer.anchor_after(offset);
2270 let anchor = Anchor::in_buffer(excerpt, text_anchor);
2271 return anchor.to_display_point(map);
2272 } else if offset <= excerpt_range.start {
2273 let anchor = Anchor::in_buffer(excerpt, range.context.start);
2274 return anchor.to_display_point(map);
2275 }
2276 }
2277
2278 map.clip_point(
2279 map.point_to_display_point(
2280 map.buffer_snapshot().clip_point(point, Bias::Left),
2281 Bias::Left,
2282 ),
2283 Bias::Left,
2284 )
2285}
2286
2287fn start_of_document(
2288 map: &DisplaySnapshot,
2289 display_point: DisplayPoint,
2290 maybe_times: Option<usize>,
2291) -> DisplayPoint {
2292 if let Some(times) = maybe_times {
2293 return go_to_line(map, display_point, times);
2294 }
2295
2296 let point = map.display_point_to_point(display_point, Bias::Left);
2297 let mut first_point = Point::zero();
2298 first_point.column = point.column;
2299
2300 map.clip_point(
2301 map.point_to_display_point(
2302 map.buffer_snapshot().clip_point(first_point, Bias::Left),
2303 Bias::Left,
2304 ),
2305 Bias::Left,
2306 )
2307}
2308
2309fn end_of_document(
2310 map: &DisplaySnapshot,
2311 display_point: DisplayPoint,
2312 maybe_times: Option<usize>,
2313) -> DisplayPoint {
2314 if let Some(times) = maybe_times {
2315 return go_to_line(map, display_point, times);
2316 };
2317 let point = map.display_point_to_point(display_point, Bias::Left);
2318 let mut last_point = map.buffer_snapshot().max_point();
2319 last_point.column = point.column;
2320
2321 map.clip_point(
2322 map.point_to_display_point(
2323 map.buffer_snapshot().clip_point(last_point, Bias::Left),
2324 Bias::Left,
2325 ),
2326 Bias::Left,
2327 )
2328}
2329
2330fn matching_tag(map: &DisplaySnapshot, head: DisplayPoint) -> Option<DisplayPoint> {
2331 let inner = crate::object::surrounding_html_tag(map, head, head..head, false)?;
2332 let outer = crate::object::surrounding_html_tag(map, head, head..head, true)?;
2333
2334 if head > outer.start && head < inner.start {
2335 let mut offset = inner.end.to_offset(map, Bias::Left);
2336 for c in map.buffer_snapshot().chars_at(offset) {
2337 if c == '/' || c == '\n' || c == '>' {
2338 return Some(offset.to_display_point(map));
2339 }
2340 offset += c.len_utf8();
2341 }
2342 } else {
2343 let mut offset = outer.start.to_offset(map, Bias::Left);
2344 for c in map.buffer_snapshot().chars_at(offset) {
2345 offset += c.len_utf8();
2346 if c == '<' || c == '\n' {
2347 return Some(offset.to_display_point(map));
2348 }
2349 }
2350 }
2351
2352 None
2353}
2354
2355fn matching(map: &DisplaySnapshot, display_point: DisplayPoint) -> DisplayPoint {
2356 if !map.is_singleton() {
2357 return display_point;
2358 }
2359 // https://github.com/vim/vim/blob/1d87e11a1ef201b26ed87585fba70182ad0c468a/runtime/doc/motion.txt#L1200
2360 let display_point = map.clip_at_line_end(display_point);
2361 let point = display_point.to_point(map);
2362 let offset = point.to_offset(&map.buffer_snapshot());
2363 let snapshot = map.buffer_snapshot();
2364
2365 // Ensure the range is contained by the current line.
2366 let mut line_end = map.next_line_boundary(point).0;
2367 if line_end == point {
2368 line_end = map.max_point().to_point(map);
2369 }
2370
2371 // Attempt to find the smallest enclosing bracket range that also contains
2372 // the offset, which only happens if the cursor is currently in a bracket.
2373 let range_filter = |_buffer: &language::BufferSnapshot,
2374 opening_range: Range<BufferOffset>,
2375 closing_range: Range<BufferOffset>| {
2376 opening_range.contains(&BufferOffset(offset.0))
2377 || closing_range.contains(&BufferOffset(offset.0))
2378 };
2379
2380 let bracket_ranges = snapshot
2381 .innermost_enclosing_bracket_ranges(offset..offset, Some(&range_filter))
2382 .or_else(|| snapshot.innermost_enclosing_bracket_ranges(offset..offset, None));
2383
2384 if let Some((opening_range, closing_range)) = bracket_ranges {
2385 let mut chars = map.buffer_snapshot().chars_at(offset);
2386 match chars.next() {
2387 Some('/') => {}
2388 _ => {
2389 if opening_range.contains(&offset) {
2390 return closing_range.start.to_display_point(map);
2391 } else if closing_range.contains(&offset) {
2392 return opening_range.start.to_display_point(map);
2393 }
2394 }
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 // test nested closing tag
3448 cx.set_shared_state(indoc! {r#"<html>
3449 <bˇody>
3450 </body>
3451 </html>"#})
3452 .await;
3453 cx.simulate_shared_keystrokes("%").await;
3454 cx.shared_state().await.assert_eq(indoc! {r#"<html>
3455 <body>
3456 <ˇ/body>
3457 </html>"#});
3458 cx.simulate_shared_keystrokes("%").await;
3459 cx.shared_state().await.assert_eq(indoc! {r#"<html>
3460 <ˇbody>
3461 </body>
3462 </html>"#});
3463 }
3464
3465 #[gpui::test]
3466 async fn test_matching_braces_in_tag(cx: &mut gpui::TestAppContext) {
3467 let mut cx = NeovimBackedTestContext::new_typescript(cx).await;
3468
3469 // test brackets within tags
3470 cx.set_shared_state(indoc! {r"function f() {
3471 return (
3472 <div rules={ˇ[{ a: 1 }]}>
3473 <h1>test</h1>
3474 </div>
3475 );
3476 }"})
3477 .await;
3478 cx.simulate_shared_keystrokes("%").await;
3479 cx.shared_state().await.assert_eq(indoc! {r"function f() {
3480 return (
3481 <div rules={[{ a: 1 }ˇ]}>
3482 <h1>test</h1>
3483 </div>
3484 );
3485 }"});
3486 }
3487
3488 #[gpui::test]
3489 async fn test_matching_nested_brackets(cx: &mut gpui::TestAppContext) {
3490 let mut cx = NeovimBackedTestContext::new_tsx(cx).await;
3491
3492 cx.set_shared_state(indoc! {r"<Button onClick=ˇ{() => {}}></Button>"})
3493 .await;
3494 cx.simulate_shared_keystrokes("%").await;
3495 cx.shared_state()
3496 .await
3497 .assert_eq(indoc! {r"<Button onClick={() => {}ˇ}></Button>"});
3498 cx.simulate_shared_keystrokes("%").await;
3499 cx.shared_state()
3500 .await
3501 .assert_eq(indoc! {r"<Button onClick=ˇ{() => {}}></Button>"});
3502 }
3503
3504 #[gpui::test]
3505 async fn test_comma_semicolon(cx: &mut gpui::TestAppContext) {
3506 let mut cx = NeovimBackedTestContext::new(cx).await;
3507
3508 // f and F
3509 cx.set_shared_state("ˇone two three four").await;
3510 cx.simulate_shared_keystrokes("f o").await;
3511 cx.shared_state().await.assert_eq("one twˇo three four");
3512 cx.simulate_shared_keystrokes(",").await;
3513 cx.shared_state().await.assert_eq("ˇone two three four");
3514 cx.simulate_shared_keystrokes("2 ;").await;
3515 cx.shared_state().await.assert_eq("one two three fˇour");
3516 cx.simulate_shared_keystrokes("shift-f e").await;
3517 cx.shared_state().await.assert_eq("one two threˇe four");
3518 cx.simulate_shared_keystrokes("2 ;").await;
3519 cx.shared_state().await.assert_eq("onˇe two three four");
3520 cx.simulate_shared_keystrokes(",").await;
3521 cx.shared_state().await.assert_eq("one two thrˇee four");
3522
3523 // t and T
3524 cx.set_shared_state("ˇone two three four").await;
3525 cx.simulate_shared_keystrokes("t o").await;
3526 cx.shared_state().await.assert_eq("one tˇwo three four");
3527 cx.simulate_shared_keystrokes(",").await;
3528 cx.shared_state().await.assert_eq("oˇne two three four");
3529 cx.simulate_shared_keystrokes("2 ;").await;
3530 cx.shared_state().await.assert_eq("one two three ˇfour");
3531 cx.simulate_shared_keystrokes("shift-t e").await;
3532 cx.shared_state().await.assert_eq("one two threeˇ four");
3533 cx.simulate_shared_keystrokes("3 ;").await;
3534 cx.shared_state().await.assert_eq("oneˇ two three four");
3535 cx.simulate_shared_keystrokes(",").await;
3536 cx.shared_state().await.assert_eq("one two thˇree four");
3537 }
3538
3539 #[gpui::test]
3540 async fn test_next_word_end_newline_last_char(cx: &mut gpui::TestAppContext) {
3541 let mut cx = NeovimBackedTestContext::new(cx).await;
3542 let initial_state = indoc! {r"something(ˇfoo)"};
3543 cx.set_shared_state(initial_state).await;
3544 cx.simulate_shared_keystrokes("}").await;
3545 cx.shared_state().await.assert_eq("something(fooˇ)");
3546 }
3547
3548 #[gpui::test]
3549 async fn test_next_line_start(cx: &mut gpui::TestAppContext) {
3550 let mut cx = NeovimBackedTestContext::new(cx).await;
3551 cx.set_shared_state("ˇone\n two\nthree").await;
3552 cx.simulate_shared_keystrokes("enter").await;
3553 cx.shared_state().await.assert_eq("one\n ˇtwo\nthree");
3554 }
3555
3556 #[gpui::test]
3557 async fn test_end_of_line_downward(cx: &mut gpui::TestAppContext) {
3558 let mut cx = NeovimBackedTestContext::new(cx).await;
3559 cx.set_shared_state("ˇ one\n two \nthree").await;
3560 cx.simulate_shared_keystrokes("g _").await;
3561 cx.shared_state().await.assert_eq(" onˇe\n two \nthree");
3562
3563 cx.set_shared_state("ˇ one \n two \nthree").await;
3564 cx.simulate_shared_keystrokes("g _").await;
3565 cx.shared_state().await.assert_eq(" onˇe \n two \nthree");
3566 cx.simulate_shared_keystrokes("2 g _").await;
3567 cx.shared_state().await.assert_eq(" one \n twˇo \nthree");
3568 }
3569
3570 #[gpui::test]
3571 async fn test_window_top(cx: &mut gpui::TestAppContext) {
3572 let mut cx = NeovimBackedTestContext::new(cx).await;
3573 let initial_state = indoc! {r"abc
3574 def
3575 paragraph
3576 the second
3577 third ˇand
3578 final"};
3579
3580 cx.set_shared_state(initial_state).await;
3581 cx.simulate_shared_keystrokes("shift-h").await;
3582 cx.shared_state().await.assert_eq(indoc! {r"abˇc
3583 def
3584 paragraph
3585 the second
3586 third and
3587 final"});
3588
3589 // clip point
3590 cx.set_shared_state(indoc! {r"
3591 1 2 3
3592 4 5 6
3593 7 8 ˇ9
3594 "})
3595 .await;
3596 cx.simulate_shared_keystrokes("shift-h").await;
3597 cx.shared_state().await.assert_eq(indoc! {"
3598 1 2 ˇ3
3599 4 5 6
3600 7 8 9
3601 "});
3602
3603 cx.set_shared_state(indoc! {r"
3604 1 2 3
3605 4 5 6
3606 ˇ7 8 9
3607 "})
3608 .await;
3609 cx.simulate_shared_keystrokes("shift-h").await;
3610 cx.shared_state().await.assert_eq(indoc! {"
3611 ˇ1 2 3
3612 4 5 6
3613 7 8 9
3614 "});
3615
3616 cx.set_shared_state(indoc! {r"
3617 1 2 3
3618 4 5 ˇ6
3619 7 8 9"})
3620 .await;
3621 cx.simulate_shared_keystrokes("9 shift-h").await;
3622 cx.shared_state().await.assert_eq(indoc! {"
3623 1 2 3
3624 4 5 6
3625 7 8 ˇ9"});
3626 }
3627
3628 #[gpui::test]
3629 async fn test_window_middle(cx: &mut gpui::TestAppContext) {
3630 let mut cx = NeovimBackedTestContext::new(cx).await;
3631 let initial_state = indoc! {r"abˇc
3632 def
3633 paragraph
3634 the second
3635 third and
3636 final"};
3637
3638 cx.set_shared_state(initial_state).await;
3639 cx.simulate_shared_keystrokes("shift-m").await;
3640 cx.shared_state().await.assert_eq(indoc! {r"abc
3641 def
3642 paˇragraph
3643 the second
3644 third and
3645 final"});
3646
3647 cx.set_shared_state(indoc! {r"
3648 1 2 3
3649 4 5 6
3650 7 8 ˇ9
3651 "})
3652 .await;
3653 cx.simulate_shared_keystrokes("shift-m").await;
3654 cx.shared_state().await.assert_eq(indoc! {"
3655 1 2 3
3656 4 5 ˇ6
3657 7 8 9
3658 "});
3659 cx.set_shared_state(indoc! {r"
3660 1 2 3
3661 4 5 6
3662 ˇ7 8 9
3663 "})
3664 .await;
3665 cx.simulate_shared_keystrokes("shift-m").await;
3666 cx.shared_state().await.assert_eq(indoc! {"
3667 1 2 3
3668 ˇ4 5 6
3669 7 8 9
3670 "});
3671 cx.set_shared_state(indoc! {r"
3672 ˇ1 2 3
3673 4 5 6
3674 7 8 9
3675 "})
3676 .await;
3677 cx.simulate_shared_keystrokes("shift-m").await;
3678 cx.shared_state().await.assert_eq(indoc! {"
3679 1 2 3
3680 ˇ4 5 6
3681 7 8 9
3682 "});
3683 cx.set_shared_state(indoc! {r"
3684 1 2 3
3685 ˇ4 5 6
3686 7 8 9
3687 "})
3688 .await;
3689 cx.simulate_shared_keystrokes("shift-m").await;
3690 cx.shared_state().await.assert_eq(indoc! {"
3691 1 2 3
3692 ˇ4 5 6
3693 7 8 9
3694 "});
3695 cx.set_shared_state(indoc! {r"
3696 1 2 3
3697 4 5 ˇ6
3698 7 8 9
3699 "})
3700 .await;
3701 cx.simulate_shared_keystrokes("shift-m").await;
3702 cx.shared_state().await.assert_eq(indoc! {"
3703 1 2 3
3704 4 5 ˇ6
3705 7 8 9
3706 "});
3707 }
3708
3709 #[gpui::test]
3710 async fn test_window_bottom(cx: &mut gpui::TestAppContext) {
3711 let mut cx = NeovimBackedTestContext::new(cx).await;
3712 let initial_state = indoc! {r"abc
3713 deˇf
3714 paragraph
3715 the second
3716 third and
3717 final"};
3718
3719 cx.set_shared_state(initial_state).await;
3720 cx.simulate_shared_keystrokes("shift-l").await;
3721 cx.shared_state().await.assert_eq(indoc! {r"abc
3722 def
3723 paragraph
3724 the second
3725 third and
3726 fiˇnal"});
3727
3728 cx.set_shared_state(indoc! {r"
3729 1 2 3
3730 4 5 ˇ6
3731 7 8 9
3732 "})
3733 .await;
3734 cx.simulate_shared_keystrokes("shift-l").await;
3735 cx.shared_state().await.assert_eq(indoc! {"
3736 1 2 3
3737 4 5 6
3738 7 8 9
3739 ˇ"});
3740
3741 cx.set_shared_state(indoc! {r"
3742 1 2 3
3743 ˇ4 5 6
3744 7 8 9
3745 "})
3746 .await;
3747 cx.simulate_shared_keystrokes("shift-l").await;
3748 cx.shared_state().await.assert_eq(indoc! {"
3749 1 2 3
3750 4 5 6
3751 7 8 9
3752 ˇ"});
3753
3754 cx.set_shared_state(indoc! {r"
3755 1 2 ˇ3
3756 4 5 6
3757 7 8 9
3758 "})
3759 .await;
3760 cx.simulate_shared_keystrokes("shift-l").await;
3761 cx.shared_state().await.assert_eq(indoc! {"
3762 1 2 3
3763 4 5 6
3764 7 8 9
3765 ˇ"});
3766
3767 cx.set_shared_state(indoc! {r"
3768 ˇ1 2 3
3769 4 5 6
3770 7 8 9
3771 "})
3772 .await;
3773 cx.simulate_shared_keystrokes("shift-l").await;
3774 cx.shared_state().await.assert_eq(indoc! {"
3775 1 2 3
3776 4 5 6
3777 7 8 9
3778 ˇ"});
3779
3780 cx.set_shared_state(indoc! {r"
3781 1 2 3
3782 4 5 ˇ6
3783 7 8 9
3784 "})
3785 .await;
3786 cx.simulate_shared_keystrokes("9 shift-l").await;
3787 cx.shared_state().await.assert_eq(indoc! {"
3788 1 2 ˇ3
3789 4 5 6
3790 7 8 9
3791 "});
3792 }
3793
3794 #[gpui::test]
3795 async fn test_previous_word_end(cx: &mut gpui::TestAppContext) {
3796 let mut cx = NeovimBackedTestContext::new(cx).await;
3797 cx.set_shared_state(indoc! {r"
3798 456 5ˇ67 678
3799 "})
3800 .await;
3801 cx.simulate_shared_keystrokes("g e").await;
3802 cx.shared_state().await.assert_eq(indoc! {"
3803 45ˇ6 567 678
3804 "});
3805
3806 // Test times
3807 cx.set_shared_state(indoc! {r"
3808 123 234 345
3809 456 5ˇ67 678
3810 "})
3811 .await;
3812 cx.simulate_shared_keystrokes("4 g e").await;
3813 cx.shared_state().await.assert_eq(indoc! {"
3814 12ˇ3 234 345
3815 456 567 678
3816 "});
3817
3818 // With punctuation
3819 cx.set_shared_state(indoc! {r"
3820 123 234 345
3821 4;5.6 5ˇ67 678
3822 789 890 901
3823 "})
3824 .await;
3825 cx.simulate_shared_keystrokes("g e").await;
3826 cx.shared_state().await.assert_eq(indoc! {"
3827 123 234 345
3828 4;5.ˇ6 567 678
3829 789 890 901
3830 "});
3831
3832 // With punctuation and count
3833 cx.set_shared_state(indoc! {r"
3834 123 234 345
3835 4;5.6 5ˇ67 678
3836 789 890 901
3837 "})
3838 .await;
3839 cx.simulate_shared_keystrokes("5 g e").await;
3840 cx.shared_state().await.assert_eq(indoc! {"
3841 123 234 345
3842 ˇ4;5.6 567 678
3843 789 890 901
3844 "});
3845
3846 // newlines
3847 cx.set_shared_state(indoc! {r"
3848 123 234 345
3849
3850 78ˇ9 890 901
3851 "})
3852 .await;
3853 cx.simulate_shared_keystrokes("g e").await;
3854 cx.shared_state().await.assert_eq(indoc! {"
3855 123 234 345
3856 ˇ
3857 789 890 901
3858 "});
3859 cx.simulate_shared_keystrokes("g e").await;
3860 cx.shared_state().await.assert_eq(indoc! {"
3861 123 234 34ˇ5
3862
3863 789 890 901
3864 "});
3865
3866 // With punctuation
3867 cx.set_shared_state(indoc! {r"
3868 123 234 345
3869 4;5.ˇ6 567 678
3870 789 890 901
3871 "})
3872 .await;
3873 cx.simulate_shared_keystrokes("g shift-e").await;
3874 cx.shared_state().await.assert_eq(indoc! {"
3875 123 234 34ˇ5
3876 4;5.6 567 678
3877 789 890 901
3878 "});
3879
3880 // With multi byte char
3881 cx.set_shared_state(indoc! {r"
3882 bar ˇó
3883 "})
3884 .await;
3885 cx.simulate_shared_keystrokes("g e").await;
3886 cx.shared_state().await.assert_eq(indoc! {"
3887 baˇr ó
3888 "});
3889 }
3890
3891 #[gpui::test]
3892 async fn test_visual_match_eol(cx: &mut gpui::TestAppContext) {
3893 let mut cx = NeovimBackedTestContext::new(cx).await;
3894
3895 cx.set_shared_state(indoc! {"
3896 fn aˇ() {
3897 return
3898 }
3899 "})
3900 .await;
3901 cx.simulate_shared_keystrokes("v $ %").await;
3902 cx.shared_state().await.assert_eq(indoc! {"
3903 fn a«() {
3904 return
3905 }ˇ»
3906 "});
3907 }
3908
3909 #[gpui::test]
3910 async fn test_clipping_with_inlay_hints(cx: &mut gpui::TestAppContext) {
3911 let mut cx = VimTestContext::new(cx, true).await;
3912
3913 cx.set_state(
3914 indoc! {"
3915 struct Foo {
3916 ˇ
3917 }
3918 "},
3919 Mode::Normal,
3920 );
3921
3922 cx.update_editor(|editor, _window, cx| {
3923 let range = editor.selections.newest_anchor().range();
3924 let inlay_text = " field: int,\n field2: string\n field3: float";
3925 let inlay = Inlay::edit_prediction(1, range.start, inlay_text);
3926 editor.splice_inlays(&[], vec![inlay], cx);
3927 });
3928
3929 cx.simulate_keystrokes("j");
3930 cx.assert_state(
3931 indoc! {"
3932 struct Foo {
3933
3934 ˇ}
3935 "},
3936 Mode::Normal,
3937 );
3938 }
3939
3940 #[gpui::test]
3941 async fn test_clipping_with_inlay_hints_end_of_line(cx: &mut gpui::TestAppContext) {
3942 let mut cx = VimTestContext::new(cx, true).await;
3943
3944 cx.set_state(
3945 indoc! {"
3946 ˇstruct Foo {
3947
3948 }
3949 "},
3950 Mode::Normal,
3951 );
3952 cx.update_editor(|editor, _window, cx| {
3953 let snapshot = editor.buffer().read(cx).snapshot(cx);
3954 let end_of_line =
3955 snapshot.anchor_after(Point::new(0, snapshot.line_len(MultiBufferRow(0))));
3956 let inlay_text = " hint";
3957 let inlay = Inlay::edit_prediction(1, end_of_line, inlay_text);
3958 editor.splice_inlays(&[], vec![inlay], cx);
3959 });
3960 cx.simulate_keystrokes("$");
3961 cx.assert_state(
3962 indoc! {"
3963 struct Foo ˇ{
3964
3965 }
3966 "},
3967 Mode::Normal,
3968 );
3969 }
3970
3971 #[gpui::test]
3972 async fn test_visual_mode_with_inlay_hints_on_empty_line(cx: &mut gpui::TestAppContext) {
3973 let mut cx = VimTestContext::new(cx, true).await;
3974
3975 // Test the exact scenario from issue #29134
3976 cx.set_state(
3977 indoc! {"
3978 fn main() {
3979 let this_is_a_long_name = Vec::<u32>::new();
3980 let new_oneˇ = this_is_a_long_name
3981 .iter()
3982 .map(|i| i + 1)
3983 .map(|i| i * 2)
3984 .collect::<Vec<_>>();
3985 }
3986 "},
3987 Mode::Normal,
3988 );
3989
3990 // Add type hint inlay on the empty line (line 3, after "this_is_a_long_name")
3991 cx.update_editor(|editor, _window, cx| {
3992 let snapshot = editor.buffer().read(cx).snapshot(cx);
3993 // The empty line is at line 3 (0-indexed)
3994 let line_start = snapshot.anchor_after(Point::new(3, 0));
3995 let inlay_text = ": Vec<u32>";
3996 let inlay = Inlay::edit_prediction(1, line_start, inlay_text);
3997 editor.splice_inlays(&[], vec![inlay], cx);
3998 });
3999
4000 // Enter visual mode
4001 cx.simulate_keystrokes("v");
4002 cx.assert_state(
4003 indoc! {"
4004 fn main() {
4005 let this_is_a_long_name = Vec::<u32>::new();
4006 let new_one« ˇ»= this_is_a_long_name
4007 .iter()
4008 .map(|i| i + 1)
4009 .map(|i| i * 2)
4010 .collect::<Vec<_>>();
4011 }
4012 "},
4013 Mode::Visual,
4014 );
4015
4016 // Move down - should go to the beginning of line 4, not skip to line 5
4017 cx.simulate_keystrokes("j");
4018 cx.assert_state(
4019 indoc! {"
4020 fn main() {
4021 let this_is_a_long_name = Vec::<u32>::new();
4022 let new_one« = this_is_a_long_name
4023 ˇ» .iter()
4024 .map(|i| i + 1)
4025 .map(|i| i * 2)
4026 .collect::<Vec<_>>();
4027 }
4028 "},
4029 Mode::Visual,
4030 );
4031
4032 // Test with multiple movements
4033 cx.set_state("let aˇ = 1;\nlet b = 2;\n\nlet c = 3;", Mode::Normal);
4034
4035 // Add type hint on the empty line
4036 cx.update_editor(|editor, _window, cx| {
4037 let snapshot = editor.buffer().read(cx).snapshot(cx);
4038 let empty_line_start = snapshot.anchor_after(Point::new(2, 0));
4039 let inlay_text = ": i32";
4040 let inlay = Inlay::edit_prediction(2, empty_line_start, inlay_text);
4041 editor.splice_inlays(&[], vec![inlay], cx);
4042 });
4043
4044 // Enter visual mode and move down twice
4045 cx.simulate_keystrokes("v j j");
4046 cx.assert_state("let a« = 1;\nlet b = 2;\n\nˇ»let c = 3;", Mode::Visual);
4047 }
4048
4049 #[gpui::test]
4050 async fn test_go_to_percentage(cx: &mut gpui::TestAppContext) {
4051 let mut cx = NeovimBackedTestContext::new(cx).await;
4052 // Normal mode
4053 cx.set_shared_state(indoc! {"
4054 The ˇquick brown
4055 fox jumps over
4056 the lazy dog
4057 The quick brown
4058 fox jumps over
4059 the lazy dog
4060 The quick brown
4061 fox jumps over
4062 the lazy dog"})
4063 .await;
4064 cx.simulate_shared_keystrokes("2 0 %").await;
4065 cx.shared_state().await.assert_eq(indoc! {"
4066 The quick brown
4067 fox ˇjumps over
4068 the lazy dog
4069 The quick brown
4070 fox jumps over
4071 the lazy dog
4072 The quick brown
4073 fox jumps over
4074 the lazy dog"});
4075
4076 cx.simulate_shared_keystrokes("2 5 %").await;
4077 cx.shared_state().await.assert_eq(indoc! {"
4078 The quick brown
4079 fox jumps over
4080 the ˇlazy dog
4081 The quick brown
4082 fox jumps over
4083 the lazy dog
4084 The quick brown
4085 fox jumps over
4086 the lazy dog"});
4087
4088 cx.simulate_shared_keystrokes("7 5 %").await;
4089 cx.shared_state().await.assert_eq(indoc! {"
4090 The quick brown
4091 fox jumps over
4092 the lazy dog
4093 The quick brown
4094 fox jumps over
4095 the lazy dog
4096 The ˇquick brown
4097 fox jumps over
4098 the lazy dog"});
4099
4100 // Visual mode
4101 cx.set_shared_state(indoc! {"
4102 The ˇquick brown
4103 fox jumps over
4104 the lazy dog
4105 The quick brown
4106 fox jumps over
4107 the lazy dog
4108 The quick brown
4109 fox jumps over
4110 the lazy dog"})
4111 .await;
4112 cx.simulate_shared_keystrokes("v 5 0 %").await;
4113 cx.shared_state().await.assert_eq(indoc! {"
4114 The «quick brown
4115 fox jumps over
4116 the lazy dog
4117 The quick brown
4118 fox jˇ»umps over
4119 the lazy dog
4120 The quick brown
4121 fox jumps over
4122 the lazy dog"});
4123
4124 cx.set_shared_state(indoc! {"
4125 The ˇquick brown
4126 fox jumps over
4127 the lazy dog
4128 The quick brown
4129 fox jumps over
4130 the lazy dog
4131 The quick brown
4132 fox jumps over
4133 the lazy dog"})
4134 .await;
4135 cx.simulate_shared_keystrokes("v 1 0 0 %").await;
4136 cx.shared_state().await.assert_eq(indoc! {"
4137 The «quick brown
4138 fox jumps over
4139 the lazy dog
4140 The quick brown
4141 fox jumps over
4142 the lazy dog
4143 The quick brown
4144 fox jumps over
4145 the lˇ»azy dog"});
4146 }
4147
4148 #[gpui::test]
4149 async fn test_space_non_ascii(cx: &mut gpui::TestAppContext) {
4150 let mut cx = NeovimBackedTestContext::new(cx).await;
4151
4152 cx.set_shared_state("ˇπππππ").await;
4153 cx.simulate_shared_keystrokes("3 space").await;
4154 cx.shared_state().await.assert_eq("πππˇππ");
4155 }
4156
4157 #[gpui::test]
4158 async fn test_space_non_ascii_eol(cx: &mut gpui::TestAppContext) {
4159 let mut cx = NeovimBackedTestContext::new(cx).await;
4160
4161 cx.set_shared_state(indoc! {"
4162 ππππˇπ
4163 πanotherline"})
4164 .await;
4165 cx.simulate_shared_keystrokes("4 space").await;
4166 cx.shared_state().await.assert_eq(indoc! {"
4167 πππππ
4168 πanˇotherline"});
4169 }
4170
4171 #[gpui::test]
4172 async fn test_backspace_non_ascii_bol(cx: &mut gpui::TestAppContext) {
4173 let mut cx = NeovimBackedTestContext::new(cx).await;
4174
4175 cx.set_shared_state(indoc! {"
4176 ππππ
4177 πanˇotherline"})
4178 .await;
4179 cx.simulate_shared_keystrokes("4 backspace").await;
4180 cx.shared_state().await.assert_eq(indoc! {"
4181 πππˇπ
4182 πanotherline"});
4183 }
4184
4185 #[gpui::test]
4186 async fn test_go_to_indent(cx: &mut gpui::TestAppContext) {
4187 let mut cx = VimTestContext::new(cx, true).await;
4188 cx.set_state(
4189 indoc! {
4190 "func empty(a string) bool {
4191 ˇif a == \"\" {
4192 return true
4193 }
4194 return false
4195 }"
4196 },
4197 Mode::Normal,
4198 );
4199 cx.simulate_keystrokes("[ -");
4200 cx.assert_state(
4201 indoc! {
4202 "ˇfunc empty(a string) bool {
4203 if a == \"\" {
4204 return true
4205 }
4206 return false
4207 }"
4208 },
4209 Mode::Normal,
4210 );
4211 cx.simulate_keystrokes("] =");
4212 cx.assert_state(
4213 indoc! {
4214 "func empty(a string) bool {
4215 if a == \"\" {
4216 return true
4217 }
4218 return false
4219 ˇ}"
4220 },
4221 Mode::Normal,
4222 );
4223 cx.simulate_keystrokes("[ +");
4224 cx.assert_state(
4225 indoc! {
4226 "func empty(a string) bool {
4227 if a == \"\" {
4228 return true
4229 }
4230 ˇreturn false
4231 }"
4232 },
4233 Mode::Normal,
4234 );
4235 cx.simulate_keystrokes("2 [ =");
4236 cx.assert_state(
4237 indoc! {
4238 "func empty(a string) bool {
4239 ˇif a == \"\" {
4240 return true
4241 }
4242 return false
4243 }"
4244 },
4245 Mode::Normal,
4246 );
4247 cx.simulate_keystrokes("] +");
4248 cx.assert_state(
4249 indoc! {
4250 "func empty(a string) bool {
4251 if a == \"\" {
4252 ˇreturn true
4253 }
4254 return false
4255 }"
4256 },
4257 Mode::Normal,
4258 );
4259 cx.simulate_keystrokes("] -");
4260 cx.assert_state(
4261 indoc! {
4262 "func empty(a string) bool {
4263 if a == \"\" {
4264 return true
4265 ˇ}
4266 return false
4267 }"
4268 },
4269 Mode::Normal,
4270 );
4271 }
4272
4273 #[gpui::test]
4274 async fn test_delete_key_can_remove_last_character(cx: &mut gpui::TestAppContext) {
4275 let mut cx = NeovimBackedTestContext::new(cx).await;
4276 cx.set_shared_state("abˇc").await;
4277 cx.simulate_shared_keystrokes("delete").await;
4278 cx.shared_state().await.assert_eq("aˇb");
4279 }
4280
4281 #[gpui::test]
4282 async fn test_forced_motion_delete_to_start_of_line(cx: &mut gpui::TestAppContext) {
4283 let mut cx = NeovimBackedTestContext::new(cx).await;
4284
4285 cx.set_shared_state(indoc! {"
4286 ˇthe quick brown fox
4287 jumped over the lazy dog"})
4288 .await;
4289 cx.simulate_shared_keystrokes("d v 0").await;
4290 cx.shared_state().await.assert_eq(indoc! {"
4291 ˇhe quick brown fox
4292 jumped over the lazy dog"});
4293 assert!(!cx.cx.forced_motion());
4294
4295 cx.set_shared_state(indoc! {"
4296 the quick bˇrown fox
4297 jumped over the lazy dog"})
4298 .await;
4299 cx.simulate_shared_keystrokes("d v 0").await;
4300 cx.shared_state().await.assert_eq(indoc! {"
4301 ˇown fox
4302 jumped over the lazy dog"});
4303 assert!(!cx.cx.forced_motion());
4304
4305 cx.set_shared_state(indoc! {"
4306 the quick brown foˇx
4307 jumped over the lazy dog"})
4308 .await;
4309 cx.simulate_shared_keystrokes("d v 0").await;
4310 cx.shared_state().await.assert_eq(indoc! {"
4311 ˇ
4312 jumped over the lazy dog"});
4313 assert!(!cx.cx.forced_motion());
4314 }
4315
4316 #[gpui::test]
4317 async fn test_forced_motion_delete_to_middle_of_line(cx: &mut gpui::TestAppContext) {
4318 let mut cx = NeovimBackedTestContext::new(cx).await;
4319
4320 cx.set_shared_state(indoc! {"
4321 ˇthe quick brown fox
4322 jumped over the lazy dog"})
4323 .await;
4324 cx.simulate_shared_keystrokes("d v g shift-m").await;
4325 cx.shared_state().await.assert_eq(indoc! {"
4326 ˇbrown fox
4327 jumped over the lazy dog"});
4328 assert!(!cx.cx.forced_motion());
4329
4330 cx.set_shared_state(indoc! {"
4331 the quick bˇrown fox
4332 jumped over the lazy dog"})
4333 .await;
4334 cx.simulate_shared_keystrokes("d v g shift-m").await;
4335 cx.shared_state().await.assert_eq(indoc! {"
4336 the quickˇown fox
4337 jumped over the lazy dog"});
4338 assert!(!cx.cx.forced_motion());
4339
4340 cx.set_shared_state(indoc! {"
4341 the quick brown foˇx
4342 jumped over the lazy dog"})
4343 .await;
4344 cx.simulate_shared_keystrokes("d v g shift-m").await;
4345 cx.shared_state().await.assert_eq(indoc! {"
4346 the quicˇk
4347 jumped over the lazy dog"});
4348 assert!(!cx.cx.forced_motion());
4349
4350 cx.set_shared_state(indoc! {"
4351 ˇthe quick brown fox
4352 jumped over the lazy dog"})
4353 .await;
4354 cx.simulate_shared_keystrokes("d v 7 5 g shift-m").await;
4355 cx.shared_state().await.assert_eq(indoc! {"
4356 ˇ fox
4357 jumped over the lazy dog"});
4358 assert!(!cx.cx.forced_motion());
4359
4360 cx.set_shared_state(indoc! {"
4361 ˇthe quick brown fox
4362 jumped over the lazy dog"})
4363 .await;
4364 cx.simulate_shared_keystrokes("d v 2 3 g shift-m").await;
4365 cx.shared_state().await.assert_eq(indoc! {"
4366 ˇuick brown fox
4367 jumped over the lazy dog"});
4368 assert!(!cx.cx.forced_motion());
4369 }
4370
4371 #[gpui::test]
4372 async fn test_forced_motion_delete_to_end_of_line(cx: &mut gpui::TestAppContext) {
4373 let mut cx = NeovimBackedTestContext::new(cx).await;
4374
4375 cx.set_shared_state(indoc! {"
4376 the quick brown foˇx
4377 jumped over the lazy dog"})
4378 .await;
4379 cx.simulate_shared_keystrokes("d v $").await;
4380 cx.shared_state().await.assert_eq(indoc! {"
4381 the quick brown foˇx
4382 jumped over the lazy dog"});
4383 assert!(!cx.cx.forced_motion());
4384
4385 cx.set_shared_state(indoc! {"
4386 ˇthe quick brown fox
4387 jumped over the lazy dog"})
4388 .await;
4389 cx.simulate_shared_keystrokes("d v $").await;
4390 cx.shared_state().await.assert_eq(indoc! {"
4391 ˇx
4392 jumped over the lazy dog"});
4393 assert!(!cx.cx.forced_motion());
4394 }
4395
4396 #[gpui::test]
4397 async fn test_forced_motion_yank(cx: &mut gpui::TestAppContext) {
4398 let mut cx = NeovimBackedTestContext::new(cx).await;
4399
4400 cx.set_shared_state(indoc! {"
4401 ˇthe quick brown fox
4402 jumped over the lazy dog"})
4403 .await;
4404 cx.simulate_shared_keystrokes("y v j p").await;
4405 cx.shared_state().await.assert_eq(indoc! {"
4406 the quick brown fox
4407 ˇthe quick brown fox
4408 jumped over the lazy dog"});
4409 assert!(!cx.cx.forced_motion());
4410
4411 cx.set_shared_state(indoc! {"
4412 the quick bˇrown fox
4413 jumped over the lazy dog"})
4414 .await;
4415 cx.simulate_shared_keystrokes("y v j p").await;
4416 cx.shared_state().await.assert_eq(indoc! {"
4417 the quick brˇrown fox
4418 jumped overown fox
4419 jumped over the lazy dog"});
4420 assert!(!cx.cx.forced_motion());
4421
4422 cx.set_shared_state(indoc! {"
4423 the quick brown foˇx
4424 jumped over the lazy dog"})
4425 .await;
4426 cx.simulate_shared_keystrokes("y v j p").await;
4427 cx.shared_state().await.assert_eq(indoc! {"
4428 the quick brown foxˇx
4429 jumped over the la
4430 jumped over the lazy dog"});
4431 assert!(!cx.cx.forced_motion());
4432
4433 cx.set_shared_state(indoc! {"
4434 the quick brown fox
4435 jˇumped over the lazy dog"})
4436 .await;
4437 cx.simulate_shared_keystrokes("y v k p").await;
4438 cx.shared_state().await.assert_eq(indoc! {"
4439 thˇhe quick brown fox
4440 je quick brown fox
4441 jumped over the lazy dog"});
4442 assert!(!cx.cx.forced_motion());
4443 }
4444
4445 #[gpui::test]
4446 async fn test_inclusive_to_exclusive_delete(cx: &mut gpui::TestAppContext) {
4447 let mut cx = NeovimBackedTestContext::new(cx).await;
4448
4449 cx.set_shared_state(indoc! {"
4450 ˇthe quick brown fox
4451 jumped over the lazy dog"})
4452 .await;
4453 cx.simulate_shared_keystrokes("d v e").await;
4454 cx.shared_state().await.assert_eq(indoc! {"
4455 ˇe quick brown fox
4456 jumped over the lazy dog"});
4457 assert!(!cx.cx.forced_motion());
4458
4459 cx.set_shared_state(indoc! {"
4460 the quick bˇrown fox
4461 jumped over the lazy dog"})
4462 .await;
4463 cx.simulate_shared_keystrokes("d v e").await;
4464 cx.shared_state().await.assert_eq(indoc! {"
4465 the quick bˇn fox
4466 jumped over the lazy dog"});
4467 assert!(!cx.cx.forced_motion());
4468
4469 cx.set_shared_state(indoc! {"
4470 the quick brown foˇx
4471 jumped over the lazy dog"})
4472 .await;
4473 cx.simulate_shared_keystrokes("d v e").await;
4474 cx.shared_state().await.assert_eq(indoc! {"
4475 the quick brown foˇd over the lazy dog"});
4476 assert!(!cx.cx.forced_motion());
4477 }
4478}