1use crate::{Vim, VimEvent};
 2use editor::{EditorBlurred, EditorFocused, EditorReleased};
 3use gpui::AppContext;
 4
 5pub fn init(cx: &mut AppContext) {
 6    cx.subscribe_global(focused).detach();
 7    cx.subscribe_global(blurred).detach();
 8    cx.subscribe_global(released).detach();
 9}
10
11fn focused(EditorFocused(editor): &EditorFocused, cx: &mut AppContext) {
12    if let Some(previously_active_editor) = Vim::read(cx).active_editor.clone() {
13        previously_active_editor.window().update(cx, |cx| {
14            Vim::update(cx, |vim, cx| {
15                vim.update_active_editor(cx, |previously_active_editor, cx| {
16                    vim.unhook_vim_settings(previously_active_editor, cx)
17                });
18            });
19        });
20    }
21
22    editor.window().update(cx, |cx| {
23        Vim::update(cx, |vim, cx| {
24            vim.set_active_editor(editor.clone(), cx);
25            cx.emit_global(VimEvent::ModeChanged {
26                mode: vim.state().mode,
27            });
28        });
29    });
30}
31
32fn blurred(EditorBlurred(editor): &EditorBlurred, cx: &mut AppContext) {
33    editor.window().update(cx, |cx| {
34        Vim::update(cx, |vim, cx| {
35            if let Some(previous_editor) = vim.active_editor.clone() {
36                if previous_editor == editor.clone() {
37                    vim.active_editor = None;
38                }
39            }
40
41            editor.update(cx, |editor, cx| vim.unhook_vim_settings(editor, cx))
42        });
43    });
44}
45
46fn released(EditorReleased(editor): &EditorReleased, cx: &mut AppContext) {
47    editor.window().update(cx, |cx| {
48        cx.update_default_global(|vim: &mut Vim, _| {
49            if let Some(previous_editor) = vim.active_editor.clone() {
50                if previous_editor == editor.clone() {
51                    vim.active_editor = None;
52                }
53            }
54            vim.editor_states.remove(&editor.id())
55        });
56    });
57}