@@ -5657,7 +5657,7 @@ fn compute_scroll_position(
scroll_position
}
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum Event {
Activate,
BufferEdited,
@@ -6140,6 +6140,114 @@ mod tests {
use util::test::sample_text;
use workspace::FollowableItem;
+ #[gpui::test]
+ fn test_edit_events(cx: &mut MutableAppContext) {
+ populate_settings(cx);
+ let buffer = cx.add_model(|cx| language::Buffer::new(0, "123456", cx));
+
+ let events = Rc::new(RefCell::new(Vec::new()));
+ let (_, editor1) = cx.add_window(Default::default(), {
+ let events = events.clone();
+ |cx| {
+ cx.subscribe(&cx.handle(), move |_, _, event, _| {
+ if matches!(event, Event::Edited | Event::BufferEdited | Event::Dirtied) {
+ events.borrow_mut().push(("editor1", *event));
+ }
+ })
+ .detach();
+ Editor::for_buffer(buffer.clone(), None, cx)
+ }
+ });
+ let (_, editor2) = cx.add_window(Default::default(), {
+ let events = events.clone();
+ |cx| {
+ cx.subscribe(&cx.handle(), move |_, _, event, _| {
+ if matches!(event, Event::Edited | Event::BufferEdited | Event::Dirtied) {
+ events.borrow_mut().push(("editor2", *event));
+ }
+ })
+ .detach();
+ Editor::for_buffer(buffer.clone(), None, cx)
+ }
+ });
+ assert_eq!(mem::take(&mut *events.borrow_mut()), []);
+
+ // Mutating editor 1 will emit an `Edited` event only for that editor.
+ editor1.update(cx, |editor, cx| editor.insert("X", cx));
+ assert_eq!(
+ mem::take(&mut *events.borrow_mut()),
+ [
+ ("editor1", Event::Edited),
+ ("editor1", Event::BufferEdited),
+ ("editor2", Event::BufferEdited),
+ ("editor1", Event::Dirtied),
+ ("editor2", Event::Dirtied)
+ ]
+ );
+
+ // Mutating editor 2 will emit an `Edited` event only for that editor.
+ editor2.update(cx, |editor, cx| editor.delete(&Delete, cx));
+ assert_eq!(
+ mem::take(&mut *events.borrow_mut()),
+ [
+ ("editor2", Event::Edited),
+ ("editor1", Event::BufferEdited),
+ ("editor2", Event::BufferEdited),
+ ]
+ );
+
+ // Undoing on editor 1 will emit an `Edited` event only for that editor.
+ editor1.update(cx, |editor, cx| editor.undo(&Undo, cx));
+ assert_eq!(
+ mem::take(&mut *events.borrow_mut()),
+ [
+ ("editor1", Event::Edited),
+ ("editor1", Event::BufferEdited),
+ ("editor2", Event::BufferEdited),
+ ]
+ );
+
+ // Redoing on editor 1 will emit an `Edited` event only for that editor.
+ editor1.update(cx, |editor, cx| editor.redo(&Redo, cx));
+ assert_eq!(
+ mem::take(&mut *events.borrow_mut()),
+ [
+ ("editor1", Event::Edited),
+ ("editor1", Event::BufferEdited),
+ ("editor2", Event::BufferEdited),
+ ]
+ );
+
+ // Undoing on editor 2 will emit an `Edited` event only for that editor.
+ editor2.update(cx, |editor, cx| editor.undo(&Undo, cx));
+ assert_eq!(
+ mem::take(&mut *events.borrow_mut()),
+ [
+ ("editor2", Event::Edited),
+ ("editor1", Event::BufferEdited),
+ ("editor2", Event::BufferEdited),
+ ]
+ );
+
+ // Redoing on editor 2 will emit an `Edited` event only for that editor.
+ editor2.update(cx, |editor, cx| editor.redo(&Redo, cx));
+ assert_eq!(
+ mem::take(&mut *events.borrow_mut()),
+ [
+ ("editor2", Event::Edited),
+ ("editor1", Event::BufferEdited),
+ ("editor2", Event::BufferEdited),
+ ]
+ );
+
+ // No event is emitted when the mutation is a no-op.
+ editor2.update(cx, |editor, cx| {
+ editor.select_ranges([0..0], None, cx);
+ editor.backspace(&Backspace, cx);
+ });
+ assert_eq!(mem::take(&mut *events.borrow_mut()), []);
+ }
+
#[gpui::test]
fn test_undo_redo_with_selection_restoration(cx: &mut MutableAppContext) {
populate_settings(cx);