1use std::{borrow::Cow, cmp};
2
3use editor::{
4 display_map::ToDisplayPoint, movement, scroll::autoscroll::Autoscroll, ClipboardSelection,
5 DisplayPoint,
6};
7use gpui::{Action, AppContext, ViewContext};
8use language::{Bias, SelectionGoal};
9use serde::Deserialize;
10use workspace::Workspace;
11
12use crate::{state::Mode, utils::copy_selections_content, Vim};
13
14#[derive(Action, Clone, Deserialize, PartialEq)]
15#[serde(rename_all = "camelCase")]
16struct Paste {
17 #[serde(default)]
18 before: bool,
19 #[serde(default)]
20 preserve_clipboard: bool,
21}
22
23pub(crate) fn init(cx: &mut AppContext) {
24 // todo!()
25 // cx.add_action(paste);
26}
27
28fn paste(_: &mut Workspace, action: &Paste, cx: &mut ViewContext<Workspace>) {
29 Vim::update(cx, |vim, cx| {
30 vim.record_current_action(cx);
31 vim.update_active_editor(cx, |editor, cx| {
32 let text_layout_details = editor.text_layout_details(cx);
33 editor.transact(cx, |editor, cx| {
34 editor.set_clip_at_line_ends(false, cx);
35
36 let Some(item) = cx.read_from_clipboard() else {
37 return;
38 };
39 let clipboard_text = Cow::Borrowed(item.text());
40 if clipboard_text.is_empty() {
41 return;
42 }
43
44 if !action.preserve_clipboard && vim.state().mode.is_visual() {
45 copy_selections_content(editor, vim.state().mode == Mode::VisualLine, cx);
46 }
47
48 // if we are copying from multi-cursor (of visual block mode), we want
49 // to
50 let clipboard_selections =
51 item.metadata::<Vec<ClipboardSelection>>()
52 .filter(|clipboard_selections| {
53 clipboard_selections.len() > 1 && vim.state().mode != Mode::VisualLine
54 });
55
56 let (display_map, current_selections) = editor.selections.all_adjusted_display(cx);
57
58 // unlike zed, if you have a multi-cursor selection from vim block mode,
59 // pasting it will paste it on subsequent lines, even if you don't yet
60 // have a cursor there.
61 let mut selections_to_process = Vec::new();
62 let mut i = 0;
63 while i < current_selections.len() {
64 selections_to_process
65 .push((current_selections[i].start..current_selections[i].end, true));
66 i += 1;
67 }
68 if let Some(clipboard_selections) = clipboard_selections.as_ref() {
69 let left = current_selections
70 .iter()
71 .map(|selection| cmp::min(selection.start.column(), selection.end.column()))
72 .min()
73 .unwrap();
74 let mut row = current_selections.last().unwrap().end.row() + 1;
75 while i < clipboard_selections.len() {
76 let cursor =
77 display_map.clip_point(DisplayPoint::new(row, left), Bias::Left);
78 selections_to_process.push((cursor..cursor, false));
79 i += 1;
80 row += 1;
81 }
82 }
83
84 let first_selection_indent_column =
85 clipboard_selections.as_ref().and_then(|zed_selections| {
86 zed_selections
87 .first()
88 .map(|selection| selection.first_line_indent)
89 });
90 let before = action.before || vim.state().mode == Mode::VisualLine;
91
92 let mut edits = Vec::new();
93 let mut new_selections = Vec::new();
94 let mut original_indent_columns = Vec::new();
95 let mut start_offset = 0;
96
97 for (ix, (selection, preserve)) in selections_to_process.iter().enumerate() {
98 let (mut to_insert, original_indent_column) =
99 if let Some(clipboard_selections) = &clipboard_selections {
100 if let Some(clipboard_selection) = clipboard_selections.get(ix) {
101 let end_offset = start_offset + clipboard_selection.len;
102 let text = clipboard_text[start_offset..end_offset].to_string();
103 start_offset = end_offset + 1;
104 (text, Some(clipboard_selection.first_line_indent))
105 } else {
106 ("".to_string(), first_selection_indent_column)
107 }
108 } else {
109 (clipboard_text.to_string(), first_selection_indent_column)
110 };
111 let line_mode = to_insert.ends_with("\n");
112 let is_multiline = to_insert.contains("\n");
113
114 if line_mode && !before {
115 if selection.is_empty() {
116 to_insert =
117 "\n".to_owned() + &to_insert[..to_insert.len() - "\n".len()];
118 } else {
119 to_insert = "\n".to_owned() + &to_insert;
120 }
121 } else if !line_mode && vim.state().mode == Mode::VisualLine {
122 to_insert = to_insert + "\n";
123 }
124
125 let display_range = if !selection.is_empty() {
126 selection.start..selection.end
127 } else if line_mode {
128 let point = if before {
129 movement::line_beginning(&display_map, selection.start, false)
130 } else {
131 movement::line_end(&display_map, selection.start, false)
132 };
133 point..point
134 } else {
135 let point = if before {
136 selection.start
137 } else {
138 movement::saturating_right(&display_map, selection.start)
139 };
140 point..point
141 };
142
143 let point_range = display_range.start.to_point(&display_map)
144 ..display_range.end.to_point(&display_map);
145 let anchor = if is_multiline || vim.state().mode == Mode::VisualLine {
146 display_map.buffer_snapshot.anchor_before(point_range.start)
147 } else {
148 display_map.buffer_snapshot.anchor_after(point_range.end)
149 };
150
151 if *preserve {
152 new_selections.push((anchor, line_mode, is_multiline));
153 }
154 edits.push((point_range, to_insert));
155 original_indent_columns.extend(original_indent_column);
156 }
157
158 editor.edit_with_block_indent(edits, original_indent_columns, cx);
159
160 // in line_mode vim will insert the new text on the next (or previous if before) line
161 // and put the cursor on the first non-blank character of the first inserted line (or at the end if the first line is blank).
162 // otherwise vim will insert the next text at (or before) the current cursor position,
163 // the cursor will go to the last (or first, if is_multiline) inserted character.
164 editor.change_selections(Some(Autoscroll::fit()), cx, |s| {
165 s.replace_cursors_with(|map| {
166 let mut cursors = Vec::new();
167 for (anchor, line_mode, is_multiline) in &new_selections {
168 let mut cursor = anchor.to_display_point(map);
169 if *line_mode {
170 if !before {
171 cursor = movement::down(
172 map,
173 cursor,
174 SelectionGoal::None,
175 false,
176 &text_layout_details,
177 )
178 .0;
179 }
180 cursor = movement::indented_line_beginning(map, cursor, true);
181 } else if !is_multiline {
182 cursor = movement::saturating_left(map, cursor)
183 }
184 cursors.push(cursor);
185 if vim.state().mode == Mode::VisualBlock {
186 break;
187 }
188 }
189
190 cursors
191 });
192 })
193 });
194 });
195 vim.switch_mode(Mode::Normal, true, cx);
196 });
197}
198
199// #[cfg(test)]
200// mod test {
201// use crate::{
202// state::Mode,
203// test::{NeovimBackedTestContext, VimTestContext},
204// };
205// use indoc::indoc;
206
207// #[gpui::test]
208// async fn test_paste(cx: &mut gpui::TestAppContext) {
209// let mut cx = NeovimBackedTestContext::new(cx).await;
210
211// // single line
212// cx.set_shared_state(indoc! {"
213// The quick brown
214// fox ˇjumps over
215// the lazy dog"})
216// .await;
217// cx.simulate_shared_keystrokes(["v", "w", "y"]).await;
218// cx.assert_shared_clipboard("jumps o").await;
219// cx.set_shared_state(indoc! {"
220// The quick brown
221// fox jumps oveˇr
222// the lazy dog"})
223// .await;
224// cx.simulate_shared_keystroke("p").await;
225// cx.assert_shared_state(indoc! {"
226// The quick brown
227// fox jumps overjumps ˇo
228// the lazy dog"})
229// .await;
230
231// cx.set_shared_state(indoc! {"
232// The quick brown
233// fox jumps oveˇr
234// the lazy dog"})
235// .await;
236// cx.simulate_shared_keystroke("shift-p").await;
237// cx.assert_shared_state(indoc! {"
238// The quick brown
239// fox jumps ovejumps ˇor
240// the lazy dog"})
241// .await;
242
243// // line mode
244// cx.set_shared_state(indoc! {"
245// The quick brown
246// fox juˇmps over
247// the lazy dog"})
248// .await;
249// cx.simulate_shared_keystrokes(["d", "d"]).await;
250// cx.assert_shared_clipboard("fox jumps over\n").await;
251// cx.assert_shared_state(indoc! {"
252// The quick brown
253// the laˇzy dog"})
254// .await;
255// cx.simulate_shared_keystroke("p").await;
256// cx.assert_shared_state(indoc! {"
257// The quick brown
258// the lazy dog
259// ˇfox jumps over"})
260// .await;
261// cx.simulate_shared_keystrokes(["k", "shift-p"]).await;
262// cx.assert_shared_state(indoc! {"
263// The quick brown
264// ˇfox jumps over
265// the lazy dog
266// fox jumps over"})
267// .await;
268
269// // multiline, cursor to first character of pasted text.
270// cx.set_shared_state(indoc! {"
271// The quick brown
272// fox jumps ˇover
273// the lazy dog"})
274// .await;
275// cx.simulate_shared_keystrokes(["v", "j", "y"]).await;
276// cx.assert_shared_clipboard("over\nthe lazy do").await;
277
278// cx.simulate_shared_keystroke("p").await;
279// cx.assert_shared_state(indoc! {"
280// The quick brown
281// fox jumps oˇover
282// the lazy dover
283// the lazy dog"})
284// .await;
285// cx.simulate_shared_keystrokes(["u", "shift-p"]).await;
286// cx.assert_shared_state(indoc! {"
287// The quick brown
288// fox jumps ˇover
289// the lazy doover
290// the lazy dog"})
291// .await;
292// }
293
294// #[gpui::test]
295// async fn test_paste_visual(cx: &mut gpui::TestAppContext) {
296// let mut cx = NeovimBackedTestContext::new(cx).await;
297
298// // copy in visual mode
299// cx.set_shared_state(indoc! {"
300// The quick brown
301// fox jˇumps over
302// the lazy dog"})
303// .await;
304// cx.simulate_shared_keystrokes(["v", "i", "w", "y"]).await;
305// cx.assert_shared_state(indoc! {"
306// The quick brown
307// fox ˇjumps over
308// the lazy dog"})
309// .await;
310// // paste in visual mode
311// cx.simulate_shared_keystrokes(["w", "v", "i", "w", "p"])
312// .await;
313// cx.assert_shared_state(indoc! {"
314// The quick brown
315// fox jumps jumpˇs
316// the lazy dog"})
317// .await;
318// cx.assert_shared_clipboard("over").await;
319// // paste in visual line mode
320// cx.simulate_shared_keystrokes(["up", "shift-v", "shift-p"])
321// .await;
322// cx.assert_shared_state(indoc! {"
323// ˇover
324// fox jumps jumps
325// the lazy dog"})
326// .await;
327// cx.assert_shared_clipboard("over").await;
328// // paste in visual block mode
329// cx.simulate_shared_keystrokes(["ctrl-v", "down", "down", "p"])
330// .await;
331// cx.assert_shared_state(indoc! {"
332// oveˇrver
333// overox jumps jumps
334// overhe lazy dog"})
335// .await;
336
337// // copy in visual line mode
338// cx.set_shared_state(indoc! {"
339// The quick brown
340// fox juˇmps over
341// the lazy dog"})
342// .await;
343// cx.simulate_shared_keystrokes(["shift-v", "d"]).await;
344// cx.assert_shared_state(indoc! {"
345// The quick brown
346// the laˇzy dog"})
347// .await;
348// // paste in visual mode
349// cx.simulate_shared_keystrokes(["v", "i", "w", "p"]).await;
350// cx.assert_shared_state(
351// &indoc! {"
352// The quick brown
353// the_
354// ˇfox jumps over
355// _dog"}
356// .replace("_", " "), // Hack for trailing whitespace
357// )
358// .await;
359// cx.assert_shared_clipboard("lazy").await;
360// cx.set_shared_state(indoc! {"
361// The quick brown
362// fox juˇmps over
363// the lazy dog"})
364// .await;
365// cx.simulate_shared_keystrokes(["shift-v", "d"]).await;
366// cx.assert_shared_state(indoc! {"
367// The quick brown
368// the laˇzy dog"})
369// .await;
370// // paste in visual line mode
371// cx.simulate_shared_keystrokes(["k", "shift-v", "p"]).await;
372// cx.assert_shared_state(indoc! {"
373// ˇfox jumps over
374// the lazy dog"})
375// .await;
376// cx.assert_shared_clipboard("The quick brown\n").await;
377// }
378
379// #[gpui::test]
380// async fn test_paste_visual_block(cx: &mut gpui::TestAppContext) {
381// let mut cx = NeovimBackedTestContext::new(cx).await;
382// // copy in visual block mode
383// cx.set_shared_state(indoc! {"
384// The ˇquick brown
385// fox jumps over
386// the lazy dog"})
387// .await;
388// cx.simulate_shared_keystrokes(["ctrl-v", "2", "j", "y"])
389// .await;
390// cx.assert_shared_clipboard("q\nj\nl").await;
391// cx.simulate_shared_keystrokes(["p"]).await;
392// cx.assert_shared_state(indoc! {"
393// The qˇquick brown
394// fox jjumps over
395// the llazy dog"})
396// .await;
397// cx.simulate_shared_keystrokes(["v", "i", "w", "shift-p"])
398// .await;
399// cx.assert_shared_state(indoc! {"
400// The ˇq brown
401// fox jjjumps over
402// the lllazy dog"})
403// .await;
404// cx.simulate_shared_keystrokes(["v", "i", "w", "shift-p"])
405// .await;
406
407// cx.set_shared_state(indoc! {"
408// The ˇquick brown
409// fox jumps over
410// the lazy dog"})
411// .await;
412// cx.simulate_shared_keystrokes(["ctrl-v", "j", "y"]).await;
413// cx.assert_shared_clipboard("q\nj").await;
414// cx.simulate_shared_keystrokes(["l", "ctrl-v", "2", "j", "shift-p"])
415// .await;
416// cx.assert_shared_state(indoc! {"
417// The qˇqick brown
418// fox jjmps over
419// the lzy dog"})
420// .await;
421
422// cx.simulate_shared_keystrokes(["shift-v", "p"]).await;
423// cx.assert_shared_state(indoc! {"
424// ˇq
425// j
426// fox jjmps over
427// the lzy dog"})
428// .await;
429// }
430
431// #[gpui::test]
432// async fn test_paste_indent(cx: &mut gpui::TestAppContext) {
433// let mut cx = VimTestContext::new_typescript(cx).await;
434
435// cx.set_state(
436// indoc! {"
437// class A {ˇ
438// }
439// "},
440// Mode::Normal,
441// );
442// cx.simulate_keystrokes(["o", "a", "(", ")", "{", "escape"]);
443// cx.assert_state(
444// indoc! {"
445// class A {
446// a()ˇ{}
447// }
448// "},
449// Mode::Normal,
450// );
451// // cursor goes to the first non-blank character in the line;
452// cx.simulate_keystrokes(["y", "y", "p"]);
453// cx.assert_state(
454// indoc! {"
455// class A {
456// a(){}
457// ˇa(){}
458// }
459// "},
460// Mode::Normal,
461// );
462// // indentation is preserved when pasting
463// cx.simulate_keystrokes(["u", "shift-v", "up", "y", "shift-p"]);
464// cx.assert_state(
465// indoc! {"
466// ˇclass A {
467// a(){}
468// class A {
469// a(){}
470// }
471// "},
472// Mode::Normal,
473// );
474// }
475// }