helix

diff --git a/helix-term/src/events.rs b/helix-term/src/events.rs
index 415213c2..15d81152 100644
--- a/helix-term/src/events.rs
+++ b/helix-term/src/events.rs

@@ -1,6 +1,8 @@

use helix_event::{events, register_event};

use helix_view::document::Mode;

-use helix_view::events::{DiagnosticsDidChange, DocumentDidChange, SelectionDidChange};

+use helix_view::events::{

+ DiagnosticsDidChange, DocumentDidChange, DocumentFocusLost, SelectionDidChange,

+};

use crate::commands;

use crate::keymap::MappableCommand;

@@ -16,6 +18,7 @@ pub fn register() {

register_event::<PostInsertChar>();

register_event::<PostCommand>();

register_event::<DocumentDidChange>();

+ register_event::<DocumentFocusLost>();

register_event::<SelectionDidChange>();

register_event::<DiagnosticsDidChange>();

}

diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 3b4e4a5c..0b07f6df 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs

@@ -4,6 +4,7 @@ use crate::{

document::{

DocumentOpenError, DocumentSavedEventFuture, DocumentSavedEventResult, Mode, SavePoint,

+ events::DocumentFocusLost,

graphics::{CursorKind, Rect},

handlers::Handlers,

info::Info,

@@ -14,6 +15,7 @@ use crate::{

Document, DocumentId, View, ViewId,

};

use dap::StackFrame;

+use helix_event::dispatch;

use helix_vcs::DiffProviderRegistry;

use futures_util::stream::select_all::SelectAll;

@@ -1590,7 +1592,7 @@ impl Editor {

self.enter_normal_mode();

}

- match action {

+ let focust_lost = match action {

Action::Replace => {

let (view, doc) = current_ref!(self);

// If the current view is an empty scratch buffer and is not displayed in any other views, delete it.

@@ -1640,6 +1642,10 @@ impl Editor {

self.replace_document_in_view(view_id, id);

+ dispatch(DocumentFocusLost {

+ editor: self,

+ doc: id,

+ });

return;

}

Action::Load => {

@@ -1650,6 +1656,7 @@ impl Editor {

return;

}

Action::HorizontalSplit | Action::VerticalSplit => {

+ let focus_lost = self.tree.try_get(self.tree.focus).map(|view| view.doc);

// copy the current view, unless there is no view yet

let view = self

.tree

@@ -1669,10 +1676,17 @@ impl Editor {

let doc = doc_mut!(self, &id);

doc.ensure_view_init(view_id);

doc.mark_as_focused();

+ focus_lost

}

- }

+ };

self._refresh();

+ if let Some(focus_lost) = focust_lost {

+ dispatch(DocumentFocusLost {

+ editor: self,

+ doc: focus_lost,

+ });

+ }

}

/// Generate an id for a new document and register it.

@@ -1903,11 +1917,15 @@ impl Editor {

let doc = doc_mut!(self, &view.doc);

view.sync_changes(doc);

}

+ let view = view!(self, view_id);

+ let doc = doc_mut!(self, &view.doc);

+ doc.mark_as_focused();

+ let focus_lost = self.tree.get(prev_id).doc;

+ dispatch(DocumentFocusLost {

+ editor: self,

+ doc: focus_lost,

+ });

}

- let view = view!(self, view_id);

- let doc = doc_mut!(self, &view.doc);

- doc.mark_as_focused();

}

pub fn focus_next(&mut self) {

diff --git a/helix-view/src/events.rs b/helix-view/src/events.rs
index 136d60c5..eb97268c 100644
--- a/helix-view/src/events.rs
+++ b/helix-view/src/events.rs

@@ -13,4 +13,6 @@ events! {

}

SelectionDidChange<'a> { doc: &'a mut Document, view: ViewId }

DiagnosticsDidChange<'a> { editor: &'a mut Editor, doc: DocumentId }

+ // called **after** a document loses focus (but not when its closed)

+ DocumentFocusLost<'a> { editor: &'a mut Editor, doc: DocumentId }

}