1use crate::{Vim, state::Mode};
2use editor::{Bias, Editor};
3use gpui::{Action, Context, Window, actions};
4use language::SelectionGoal;
5use settings::Settings;
6use text::Point;
7use vim_mode_setting::HelixModeSetting;
8use workspace::searchable::Direction;
9
10actions!(
11 vim,
12 [
13 /// Switches to normal mode with cursor positioned before the current character.
14 NormalBefore,
15 /// Temporarily switches to normal mode for one command.
16 TemporaryNormal,
17 /// Inserts the next character from the line above into the current line.
18 InsertFromAbove,
19 /// Inserts the next character from the line below into the current line.
20 InsertFromBelow
21 ]
22);
23
24pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
25 Vim::action(editor, cx, Vim::normal_before);
26 Vim::action(editor, cx, Vim::temporary_normal);
27 Vim::action(editor, cx, |vim, _: &InsertFromAbove, window, cx| {
28 vim.insert_around(Direction::Prev, window, cx)
29 });
30 Vim::action(editor, cx, |vim, _: &InsertFromBelow, window, cx| {
31 vim.insert_around(Direction::Next, window, cx)
32 })
33}
34
35impl Vim {
36 pub(crate) fn normal_before(
37 &mut self,
38 action: &NormalBefore,
39 window: &mut Window,
40 cx: &mut Context<Self>,
41 ) {
42 if self.active_operator().is_some() {
43 self.operator_stack.clear();
44 self.sync_vim_settings(window, cx);
45 return;
46 }
47 let count = Vim::take_count(cx).unwrap_or(1);
48 Vim::take_forced_motion(cx);
49 self.stop_recording_immediately(action.boxed_clone(), cx);
50 if count <= 1 || Vim::globals(cx).dot_replaying {
51 self.create_mark("^".into(), window, cx);
52
53 self.update_editor(cx, |_, editor, cx| {
54 editor.dismiss_menus_and_popups(false, window, cx);
55
56 if !HelixModeSetting::get_global(cx).0 {
57 editor.change_selections(Default::default(), window, cx, |s| {
58 s.move_cursors_with(|map, mut cursor, _| {
59 *cursor.column_mut() = cursor.column().saturating_sub(1);
60 (map.clip_point(cursor, Bias::Left), SelectionGoal::None)
61 });
62 });
63 }
64 });
65
66 self.switch_mode(Mode::Normal, false, window, cx);
67 return;
68 }
69
70 self.repeat(true, window, cx)
71 }
72
73 fn temporary_normal(
74 &mut self,
75 _: &TemporaryNormal,
76 window: &mut Window,
77 cx: &mut Context<Self>,
78 ) {
79 self.switch_mode(Mode::Normal, true, window, cx);
80 self.temp_mode = true;
81 }
82
83 fn insert_around(&mut self, direction: Direction, _: &mut Window, cx: &mut Context<Self>) {
84 self.update_editor(cx, |_, editor, cx| {
85 let snapshot = editor.buffer().read(cx).snapshot(cx);
86 let mut edits = Vec::new();
87 for selection in editor.selections.all::<Point>(cx) {
88 let point = selection.head();
89 let new_row = match direction {
90 Direction::Next => point.row + 1,
91 Direction::Prev if point.row > 0 => point.row - 1,
92 _ => continue,
93 };
94 let source = snapshot.clip_point(Point::new(new_row, point.column), Bias::Left);
95 if let Some(c) = snapshot.chars_at(source).next()
96 && c != '\n'
97 {
98 edits.push((point..point, c.to_string()))
99 }
100 }
101
102 editor.edit(edits, cx);
103 });
104 }
105}
106
107#[cfg(test)]
108mod test {
109 use crate::{
110 state::Mode,
111 test::{NeovimBackedTestContext, VimTestContext},
112 };
113
114 #[gpui::test]
115 async fn test_enter_and_exit_insert_mode(cx: &mut gpui::TestAppContext) {
116 let mut cx = VimTestContext::new(cx, true).await;
117 cx.simulate_keystrokes("i");
118 assert_eq!(cx.mode(), Mode::Insert);
119 cx.simulate_keystrokes("T e s t");
120 cx.assert_editor_state("Testˇ");
121 cx.simulate_keystrokes("escape");
122 assert_eq!(cx.mode(), Mode::Normal);
123 cx.assert_editor_state("Tesˇt");
124 }
125
126 #[gpui::test]
127 async fn test_insert_with_counts(cx: &mut gpui::TestAppContext) {
128 let mut cx = NeovimBackedTestContext::new(cx).await;
129
130 cx.set_shared_state("ˇhello\n").await;
131 cx.simulate_shared_keystrokes("5 i - escape").await;
132 cx.shared_state().await.assert_eq("----ˇ-hello\n");
133
134 cx.set_shared_state("ˇhello\n").await;
135 cx.simulate_shared_keystrokes("5 a - escape").await;
136 cx.shared_state().await.assert_eq("h----ˇ-ello\n");
137
138 cx.simulate_shared_keystrokes("4 shift-i - escape").await;
139 cx.shared_state().await.assert_eq("---ˇ-h-----ello\n");
140
141 cx.simulate_shared_keystrokes("3 shift-a - escape").await;
142 cx.shared_state().await.assert_eq("----h-----ello--ˇ-\n");
143
144 cx.set_shared_state("ˇhello\n").await;
145 cx.simulate_shared_keystrokes("3 o o i escape").await;
146 cx.shared_state().await.assert_eq("hello\noi\noi\noˇi\n");
147
148 cx.set_shared_state("ˇhello\n").await;
149 cx.simulate_shared_keystrokes("3 shift-o o i escape").await;
150 cx.shared_state().await.assert_eq("oi\noi\noˇi\nhello\n");
151 }
152
153 #[gpui::test]
154 async fn test_insert_with_repeat(cx: &mut gpui::TestAppContext) {
155 let mut cx = NeovimBackedTestContext::new(cx).await;
156
157 cx.set_shared_state("ˇhello\n").await;
158 cx.simulate_shared_keystrokes("3 i - escape").await;
159 cx.shared_state().await.assert_eq("--ˇ-hello\n");
160 cx.simulate_shared_keystrokes(".").await;
161 cx.shared_state().await.assert_eq("----ˇ--hello\n");
162 cx.simulate_shared_keystrokes("2 .").await;
163 cx.shared_state().await.assert_eq("-----ˇ---hello\n");
164
165 cx.set_shared_state("ˇhello\n").await;
166 cx.simulate_shared_keystrokes("2 o k k escape").await;
167 cx.shared_state().await.assert_eq("hello\nkk\nkˇk\n");
168 cx.simulate_shared_keystrokes(".").await;
169 cx.shared_state()
170 .await
171 .assert_eq("hello\nkk\nkk\nkk\nkˇk\n");
172 cx.simulate_shared_keystrokes("1 .").await;
173 cx.shared_state()
174 .await
175 .assert_eq("hello\nkk\nkk\nkk\nkk\nkˇk\n");
176 }
177
178 #[gpui::test]
179 async fn test_insert_ctrl_r(cx: &mut gpui::TestAppContext) {
180 let mut cx = NeovimBackedTestContext::new(cx).await;
181
182 cx.set_shared_state("heˇllo\n").await;
183 cx.simulate_shared_keystrokes("y y i ctrl-r \"").await;
184 cx.shared_state().await.assert_eq("hehello\nˇllo\n");
185
186 cx.simulate_shared_keystrokes("ctrl-r x ctrl-r escape")
187 .await;
188 cx.shared_state().await.assert_eq("hehello\nˇllo\n");
189 }
190
191 #[gpui::test]
192 async fn test_insert_ctrl_y(cx: &mut gpui::TestAppContext) {
193 let mut cx = NeovimBackedTestContext::new(cx).await;
194
195 cx.set_shared_state("hello\nˇ\nworld").await;
196 cx.simulate_shared_keystrokes("i ctrl-y ctrl-e").await;
197 cx.shared_state().await.assert_eq("hello\nhoˇ\nworld");
198 }
199}