ZIm/crates/vim2/src/editor_events.rs
2023-12-11 10:45:27 -07:00

105 lines
3.4 KiB
Rust

use crate::Vim;
use editor::{Editor, EditorEvent};
use gpui::{AppContext, Entity, EntityId, View, ViewContext, WindowContext};
pub fn init(cx: &mut AppContext) {
cx.observe_new_views(|_, cx: &mut ViewContext<Editor>| {
let editor = cx.view().clone();
cx.subscribe(&editor, |_, editor, event: &EditorEvent, cx| match event {
EditorEvent::Focused => cx.window_context().defer(|cx| focused(editor, cx)),
EditorEvent::Blurred => cx.window_context().defer(|cx| blurred(editor, cx)),
_ => {}
})
.detach();
let id = cx.view().entity_id();
cx.on_release(move |_, cx| released(id, cx)).detach();
})
.detach();
}
fn focused(editor: View<Editor>, cx: &mut WindowContext) {
if Vim::read(cx).active_editor.clone().is_some() {
Vim::update(cx, |vim, cx| {
vim.update_active_editor(cx, |previously_active_editor, cx| {
vim.unhook_vim_settings(previously_active_editor, cx)
});
});
}
Vim::update(cx, |vim, cx| {
vim.set_active_editor(editor.clone(), cx);
if vim.enabled {
// todo!()
// cx.emit_global(VimEvent::ModeChanged {
// mode: vim.state().mode,
// });
}
});
}
fn blurred(editor: View<Editor>, cx: &mut WindowContext) {
Vim::update(cx, |vim, cx| {
vim.workspace_state.recording = false;
vim.workspace_state.recorded_actions.clear();
if let Some(previous_editor) = vim.active_editor.clone() {
if previous_editor
.upgrade()
.is_some_and(|previous| previous == editor.clone())
{
vim.clear_operator(cx);
vim.active_editor = None;
vim.editor_subscription = None;
}
}
editor.update(cx, |editor, cx| vim.unhook_vim_settings(editor, cx))
});
}
fn released(entity_id: EntityId, cx: &mut WindowContext) {
Vim::update(cx, |vim, _| {
if vim
.active_editor
.as_ref()
.is_some_and(|previous| previous.entity_id() == entity_id)
{
vim.active_editor = None;
vim.editor_subscription = None;
}
vim.editor_states.remove(&entity_id)
});
}
// #[cfg(test)]
// mod test {
// use crate::{test::VimTestContext, Vim};
// use editor::Editor;
// use gpui::{Context, Entity};
// use language::Buffer;
// // regression test for blur called with a different active editor
// #[gpui::test]
// async fn test_blur_focus(cx: &mut gpui::TestAppContext) {
// let mut cx = VimTestContext::new(cx, true).await;
// let buffer = cx.build_model(|_| Buffer::new(0, 0, "a = 1\nb = 2\n"));
// let window2 = cx.add_window(|cx| Editor::for_buffer(buffer, None, cx));
// let editor2 = cx
// .update(|cx| window2.update(cx, |editor, cx| cx.view()))
// .unwrap();
// cx.update(|cx| {
// let vim = Vim::read(cx);
// assert_eq!(
// vim.active_editor.unwrap().entity_id().unwrap(),
// editor2.entity_id()
// )
// });
// // no panic when blurring an editor in a different window.
// cx.update_editor(|editor1, cx| {
// editor1.focus_out(cx.handle().into_any(), cx);
// });
// }
// }