Cargo.lock 🔗
@@ -1629,6 +1629,7 @@ dependencies = [
"postage",
"project",
"rand 0.8.3",
+ "rpc",
"serde",
"smallvec",
"smol",
Antonio Scandurra created
Introduce basic following experience
Cargo.lock | 1
crates/client/src/channel.rs | 2
crates/client/src/client.rs | 238 +++-
crates/diagnostics/src/diagnostics.rs | 4
crates/editor/Cargo.toml | 1
crates/editor/src/editor.rs | 178 +++
crates/editor/src/element.rs | 59
crates/editor/src/items.rs | 250 +++++
crates/editor/src/multi_buffer.rs | 8
crates/file_finder/src/file_finder.rs | 2
crates/go_to_line/src/go_to_line.rs | 2
crates/gpui/src/app.rs | 639 ++++++++++++-
crates/gpui/src/presenter.rs | 4
crates/language/src/buffer.rs | 25
crates/language/src/proto.rs | 39
crates/language/src/tests.rs | 12
crates/outline/src/outline.rs | 2
crates/project/src/project.rs | 126 ++
crates/project_symbols/src/project_symbols.rs | 2
crates/rpc/proto/zed.proto | 103 +
crates/rpc/src/proto.rs | 19
crates/rpc/src/rpc.rs | 2
crates/search/src/buffer_search.rs | 6
crates/search/src/project_search.rs | 6
crates/server/src/rpc.rs | 649 ++++++++++++++
crates/text/src/selection.rs | 6
crates/theme/src/theme.rs | 2
crates/theme_selector/src/theme_selector.rs | 2
crates/workspace/src/pane.rs | 146 ++-
crates/workspace/src/pane_group.rs | 78 +
crates/workspace/src/workspace.rs | 929 ++++++++++++++++++--
crates/zed/Cargo.toml | 1
crates/zed/assets/themes/_base.toml | 2
crates/zed/src/main.rs | 8
crates/zed/src/zed.rs | 2
35 files changed, 3,049 insertions(+), 506 deletions(-)
@@ -1629,6 +1629,7 @@ dependencies = [
"postage",
"project",
"rand 0.8.3",
+ "rpc",
"serde",
"smallvec",
"smol",
@@ -181,7 +181,7 @@ impl Entity for Channel {
impl Channel {
pub fn init(rpc: &Arc<Client>) {
- rpc.add_entity_message_handler(Self::handle_message_sent);
+ rpc.add_model_message_handler(Self::handle_message_sent);
}
pub fn new(
@@ -13,8 +13,8 @@ use async_tungstenite::tungstenite::{
};
use futures::{future::LocalBoxFuture, FutureExt, StreamExt};
use gpui::{
- action, AnyModelHandle, AnyWeakModelHandle, AsyncAppContext, Entity, ModelContext, ModelHandle,
- MutableAppContext, Task,
+ action, AnyModelHandle, AnyViewHandle, AnyWeakModelHandle, AnyWeakViewHandle, AsyncAppContext,
+ Entity, ModelContext, ModelHandle, MutableAppContext, Task, View, ViewContext, ViewHandle,
};
use http::HttpClient;
use lazy_static::lazy_static;
@@ -136,26 +136,37 @@ impl Status {
struct ClientState {
credentials: Option<Credentials>,
status: (watch::Sender<Status>, watch::Receiver<Status>),
- entity_id_extractors: HashMap<TypeId, Box<dyn Send + Sync + Fn(&dyn AnyTypedEnvelope) -> u64>>,
+ entity_id_extractors: HashMap<TypeId, fn(&dyn AnyTypedEnvelope) -> u64>,
_reconnect_task: Option<Task<()>>,
reconnect_interval: Duration,
- models_by_entity_type_and_remote_id: HashMap<(TypeId, u64), AnyWeakModelHandle>,
+ entities_by_type_and_remote_id: HashMap<(TypeId, u64), AnyWeakEntityHandle>,
models_by_message_type: HashMap<TypeId, AnyWeakModelHandle>,
- model_types_by_message_type: HashMap<TypeId, TypeId>,
+ entity_types_by_message_type: HashMap<TypeId, TypeId>,
message_handlers: HashMap<
TypeId,
Arc<
dyn Send
+ Sync
+ Fn(
- AnyModelHandle,
+ AnyEntityHandle,
Box<dyn AnyTypedEnvelope>,
+ &Arc<Client>,
AsyncAppContext,
) -> LocalBoxFuture<'static, Result<()>>,
>,
>,
}
+enum AnyWeakEntityHandle {
+ Model(AnyWeakModelHandle),
+ View(AnyWeakViewHandle),
+}
+
+enum AnyEntityHandle {
+ Model(AnyModelHandle),
+ View(AnyViewHandle),
+}
+
#[derive(Clone, Debug)]
pub struct Credentials {
pub user_id: u64,
@@ -171,8 +182,8 @@ impl Default for ClientState {
_reconnect_task: None,
reconnect_interval: Duration::from_secs(5),
models_by_message_type: Default::default(),
- models_by_entity_type_and_remote_id: Default::default(),
- model_types_by_message_type: Default::default(),
+ entities_by_type_and_remote_id: Default::default(),
+ entity_types_by_message_type: Default::default(),
message_handlers: Default::default(),
}
}
@@ -195,13 +206,13 @@ impl Drop for Subscription {
Subscription::Entity { client, id } => {
if let Some(client) = client.upgrade() {
let mut state = client.state.write();
- let _ = state.models_by_entity_type_and_remote_id.remove(id);
+ let _ = state.entities_by_type_and_remote_id.remove(id);
}
}
Subscription::Message { client, id } => {
if let Some(client) = client.upgrade() {
let mut state = client.state.write();
- let _ = state.model_types_by_message_type.remove(id);
+ let _ = state.entity_types_by_message_type.remove(id);
let _ = state.message_handlers.remove(id);
}
}
@@ -239,7 +250,7 @@ impl Client {
state._reconnect_task.take();
state.message_handlers.clear();
state.models_by_message_type.clear();
- state.models_by_entity_type_and_remote_id.clear();
+ state.entities_by_type_and_remote_id.clear();
state.entity_id_extractors.clear();
self.peer.reset();
}
@@ -313,17 +324,32 @@ impl Client {
}
}
+ pub fn add_view_for_remote_entity<T: View>(
+ self: &Arc<Self>,
+ remote_id: u64,
+ cx: &mut ViewContext<T>,
+ ) -> Subscription {
+ let id = (TypeId::of::<T>(), remote_id);
+ self.state
+ .write()
+ .entities_by_type_and_remote_id
+ .insert(id, AnyWeakEntityHandle::View(cx.weak_handle().into()));
+ Subscription::Entity {
+ client: Arc::downgrade(self),
+ id,
+ }
+ }
+
pub fn add_model_for_remote_entity<T: Entity>(
self: &Arc<Self>,
remote_id: u64,
cx: &mut ModelContext<T>,
) -> Subscription {
- let handle = AnyModelHandle::from(cx.handle());
- let mut state = self.state.write();
let id = (TypeId::of::<T>(), remote_id);
- state
- .models_by_entity_type_and_remote_id
- .insert(id, handle.downgrade());
+ self.state
+ .write()
+ .entities_by_type_and_remote_id
+ .insert(id, AnyWeakEntityHandle::Model(cx.weak_handle().into()));
Subscription::Entity {
client: Arc::downgrade(self),
id,
@@ -346,7 +372,6 @@ impl Client {
{
let message_type_id = TypeId::of::<M>();
- let client = Arc::downgrade(self);
let mut state = self.state.write();
state
.models_by_message_type
@@ -354,14 +379,15 @@ impl Client {
let prev_handler = state.message_handlers.insert(
message_type_id,
- Arc::new(move |handle, envelope, cx| {
+ Arc::new(move |handle, envelope, client, cx| {
+ let handle = if let AnyEntityHandle::Model(handle) = handle {
+ handle
+ } else {
+ unreachable!();
+ };
let model = handle.downcast::<E>().unwrap();
let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
- if let Some(client) = client.upgrade() {
- handler(model, *envelope, client.clone(), cx).boxed_local()
- } else {
- async move { Ok(()) }.boxed_local()
- }
+ handler(model, *envelope, client.clone(), cx).boxed_local()
}),
);
if prev_handler.is_some() {
@@ -374,7 +400,26 @@ impl Client {
}
}
- pub fn add_entity_message_handler<M, E, H, F>(self: &Arc<Self>, handler: H)
+ pub fn add_view_message_handler<M, E, H, F>(self: &Arc<Self>, handler: H)
+ where
+ M: EntityMessage,
+ E: View,
+ H: 'static
+ + Send
+ + Sync
+ + Fn(ViewHandle<E>, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
+ F: 'static + Future<Output = Result<()>>,
+ {
+ self.add_entity_message_handler::<M, E, _, _>(move |handle, message, client, cx| {
+ if let AnyEntityHandle::View(handle) = handle {
+ handler(handle.downcast::<E>().unwrap(), message, client, cx)
+ } else {
+ unreachable!();
+ }
+ })
+ }
+
+ pub fn add_model_message_handler<M, E, H, F>(self: &Arc<Self>, handler: H)
where
M: EntityMessage,
E: Entity,
@@ -383,38 +428,51 @@ impl Client {
+ Sync
+ Fn(ModelHandle<E>, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
F: 'static + Future<Output = Result<()>>,
+ {
+ self.add_entity_message_handler::<M, E, _, _>(move |handle, message, client, cx| {
+ if let AnyEntityHandle::Model(handle) = handle {
+ handler(handle.downcast::<E>().unwrap(), message, client, cx)
+ } else {
+ unreachable!();
+ }
+ })
+ }
+
+ fn add_entity_message_handler<M, E, H, F>(self: &Arc<Self>, handler: H)
+ where
+ M: EntityMessage,
+ E: Entity,
+ H: 'static
+ + Send
+ + Sync
+ + Fn(AnyEntityHandle, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
+ F: 'static + Future<Output = Result<()>>,
{
let model_type_id = TypeId::of::<E>();
let message_type_id = TypeId::of::<M>();
- let client = Arc::downgrade(self);
let mut state = self.state.write();
state
- .model_types_by_message_type
+ .entity_types_by_message_type
.insert(message_type_id, model_type_id);
state
.entity_id_extractors
.entry(message_type_id)
.or_insert_with(|| {
- Box::new(|envelope| {
- let envelope = envelope
+ |envelope| {
+ envelope
.as_any()
.downcast_ref::<TypedEnvelope<M>>()
- .unwrap();
- envelope.payload.remote_entity_id()
- })
+ .unwrap()
+ .payload
+ .remote_entity_id()
+ }
});
-
let prev_handler = state.message_handlers.insert(
message_type_id,
- Arc::new(move |handle, envelope, cx| {
- let model = handle.downcast::<E>().unwrap();
+ Arc::new(move |handle, envelope, client, cx| {
let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
- if let Some(client) = client.upgrade() {
- handler(model, *envelope, client.clone(), cx).boxed_local()
- } else {
- async move { Ok(()) }.boxed_local()
- }
+ handler(handle, *envelope, client.clone(), cx).boxed_local()
}),
);
if prev_handler.is_some() {
@@ -422,7 +480,7 @@ impl Client {
}
}
- pub fn add_entity_request_handler<M, E, H, F>(self: &Arc<Self>, handler: H)
+ pub fn add_model_request_handler<M, E, H, F>(self: &Arc<Self>, handler: H)
where
M: EntityMessage + RequestMessage,
E: Entity,
@@ -432,29 +490,56 @@ impl Client {
+ Fn(ModelHandle<E>, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
F: 'static + Future<Output = Result<M::Response>>,
{
- self.add_entity_message_handler(move |model, envelope, client, cx| {
- let receipt = envelope.receipt();
- let response = handler(model, envelope, client.clone(), cx);
- async move {
- match response.await {
- Ok(response) => {
- client.respond(receipt, response)?;
- Ok(())
- }
- Err(error) => {
- client.respond_with_error(
- receipt,
- proto::Error {
- message: error.to_string(),
- },
- )?;
- Err(error)
- }
- }
- }
+ self.add_model_message_handler(move |entity, envelope, client, cx| {
+ Self::respond_to_request::<M, _>(
+ envelope.receipt(),
+ handler(entity, envelope, client.clone(), cx),
+ client,
+ )
+ })
+ }
+
+ pub fn add_view_request_handler<M, E, H, F>(self: &Arc<Self>, handler: H)
+ where
+ M: EntityMessage + RequestMessage,
+ E: View,
+ H: 'static
+ + Send
+ + Sync
+ + Fn(ViewHandle<E>, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
+ F: 'static + Future<Output = Result<M::Response>>,
+ {
+ self.add_view_message_handler(move |entity, envelope, client, cx| {
+ Self::respond_to_request::<M, _>(
+ envelope.receipt(),
+ handler(entity, envelope, client.clone(), cx),
+ client,
+ )
})
}
+ async fn respond_to_request<T: RequestMessage, F: Future<Output = Result<T::Response>>>(
+ receipt: Receipt<T>,
+ response: F,
+ client: Arc<Self>,
+ ) -> Result<()> {
+ match response.await {
+ Ok(response) => {
+ client.respond(receipt, response)?;
+ Ok(())
+ }
+ Err(error) => {
+ client.respond_with_error(
+ receipt,
+ proto::Error {
+ message: error.to_string(),
+ },
+ )?;
+ Err(error)
+ }
+ }
+ }
+
pub fn has_keychain_credentials(&self, cx: &AsyncAppContext) -> bool {
read_credentials_from_keychain(cx).is_some()
}
@@ -561,24 +646,26 @@ impl Client {
.models_by_message_type
.get(&payload_type_id)
.and_then(|model| model.upgrade(&cx))
+ .map(AnyEntityHandle::Model)
.or_else(|| {
- let model_type_id =
- *state.model_types_by_message_type.get(&payload_type_id)?;
+ let entity_type_id =
+ *state.entity_types_by_message_type.get(&payload_type_id)?;
let entity_id = state
.entity_id_extractors
.get(&message.payload_type_id())
.map(|extract_entity_id| {
(extract_entity_id)(message.as_ref())
})?;
- let model = state
- .models_by_entity_type_and_remote_id
- .get(&(model_type_id, entity_id))?;
- if let Some(model) = model.upgrade(&cx) {
- Some(model)
+
+ let entity = state
+ .entities_by_type_and_remote_id
+ .get(&(entity_type_id, entity_id))?;
+ if let Some(entity) = entity.upgrade(&cx) {
+ Some(entity)
} else {
state
- .models_by_entity_type_and_remote_id
- .remove(&(model_type_id, entity_id));
+ .entities_by_type_and_remote_id
+ .remove(&(entity_type_id, entity_id));
None
}
});
@@ -593,7 +680,7 @@ impl Client {
if let Some(handler) = state.message_handlers.get(&payload_type_id).cloned()
{
drop(state); // Avoid deadlocks if the handler interacts with rpc::Client
- let future = handler(model, message, cx.clone());
+ let future = handler(model, message, &this, cx.clone());
let client_id = this.id;
log::debug!(
@@ -891,6 +978,15 @@ impl Client {
}
}
+impl AnyWeakEntityHandle {
+ fn upgrade(&self, cx: &AsyncAppContext) -> Option<AnyEntityHandle> {
+ match self {
+ AnyWeakEntityHandle::Model(handle) => handle.upgrade(cx).map(AnyEntityHandle::Model),
+ AnyWeakEntityHandle::View(handle) => handle.upgrade(cx).map(AnyEntityHandle::View),
+ }
+ }
+}
+
fn read_credentials_from_keychain(cx: &AsyncAppContext) -> Option<Credentials> {
if IMPERSONATE_LOGIN.is_some() {
return None;
@@ -994,7 +1090,7 @@ mod tests {
let (done_tx1, mut done_rx1) = smol::channel::unbounded();
let (done_tx2, mut done_rx2) = smol::channel::unbounded();
- client.add_entity_message_handler(
+ client.add_model_message_handler(
move |model: ModelHandle<Model>, _: TypedEnvelope<proto::UnshareProject>, _, cx| {
match model.read_with(&cx, |model, _| model.id) {
1 => done_tx1.try_send(()).unwrap(),
@@ -450,6 +450,10 @@ impl workspace::Item for ProjectDiagnosticsEditor {
None
}
+ fn project_entry_id(&self, _: &AppContext) -> Option<project::ProjectEntryId> {
+ None
+ }
+
fn navigate(&mut self, data: Box<dyn Any>, cx: &mut ViewContext<Self>) {
self.editor
.update(cx, |editor, cx| editor.navigate(data, cx));
@@ -27,6 +27,7 @@ gpui = { path = "../gpui" }
language = { path = "../language" }
lsp = { path = "../lsp" }
project = { path = "../project" }
+rpc = { path = "../rpc" }
snippet = { path = "../snippet" }
sum_tree = { path = "../sum_tree" }
theme = { path = "../theme" }
@@ -340,9 +340,8 @@ pub fn init(cx: &mut MutableAppContext) {
cx.add_async_action(Editor::confirm_rename);
cx.add_async_action(Editor::find_all_references);
- workspace::register_project_item(cx, |project, buffer, cx| {
- Editor::for_buffer(buffer, Some(project), cx)
- });
+ workspace::register_project_item::<Editor>(cx);
+ workspace::register_followable_item::<Editor>(cx);
}
trait InvalidationRegion {
@@ -431,8 +430,8 @@ pub struct Editor {
select_larger_syntax_node_stack: Vec<Box<[Selection<usize>]>>,
active_diagnostics: Option<ActiveDiagnosticGroup>,
scroll_position: Vector2F,
- scroll_top_anchor: Option<Anchor>,
- autoscroll_request: Option<Autoscroll>,
+ scroll_top_anchor: Anchor,
+ autoscroll_request: Option<(Autoscroll, bool)>,
soft_wrap_mode_override: Option<settings::SoftWrap>,
get_field_editor_theme: Option<GetFieldEditorTheme>,
override_text_style: Option<Box<OverrideTextStyle>>,
@@ -457,6 +456,7 @@ pub struct Editor {
pending_rename: Option<RenameState>,
searchable: bool,
cursor_shape: CursorShape,
+ leader_replica_id: Option<u16>,
}
pub struct EditorSnapshot {
@@ -465,7 +465,7 @@ pub struct EditorSnapshot {
pub placeholder_text: Option<Arc<str>>,
is_focused: bool,
scroll_position: Vector2F,
- scroll_top_anchor: Option<Anchor>,
+ scroll_top_anchor: Anchor,
}
#[derive(Clone)]
@@ -909,7 +909,7 @@ impl Editor {
get_field_editor_theme,
project,
scroll_position: Vector2F::zero(),
- scroll_top_anchor: None,
+ scroll_top_anchor: Anchor::min(),
autoscroll_request: None,
focused: false,
show_local_cursors: false,
@@ -932,6 +932,7 @@ impl Editor {
searchable: true,
override_text_style: None,
cursor_shape: Default::default(),
+ leader_replica_id: None,
};
this.end_selection(cx);
@@ -1014,10 +1015,19 @@ impl Editor {
}
pub fn set_scroll_position(&mut self, scroll_position: Vector2F, cx: &mut ViewContext<Self>) {
+ self.set_scroll_position_internal(scroll_position, true, cx);
+ }
+
+ fn set_scroll_position_internal(
+ &mut self,
+ scroll_position: Vector2F,
+ local: bool,
+ cx: &mut ViewContext<Self>,
+ ) {
let map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
if scroll_position.y() == 0. {
- self.scroll_top_anchor = None;
+ self.scroll_top_anchor = Anchor::min();
self.scroll_position = scroll_position;
} else {
let scroll_top_buffer_offset =
@@ -1029,9 +1039,22 @@ impl Editor {
scroll_position.x(),
scroll_position.y() - anchor.to_display_point(&map).row() as f32,
);
- self.scroll_top_anchor = Some(anchor);
+ self.scroll_top_anchor = anchor;
}
+ cx.emit(Event::ScrollPositionChanged { local });
+ cx.notify();
+ }
+
+ fn set_scroll_top_anchor(
+ &mut self,
+ anchor: Anchor,
+ position: Vector2F,
+ cx: &mut ViewContext<Self>,
+ ) {
+ self.scroll_top_anchor = anchor;
+ self.scroll_position = position;
+ cx.emit(Event::ScrollPositionChanged { local: false });
cx.notify();
}
@@ -1074,7 +1097,7 @@ impl Editor {
self.set_scroll_position(scroll_position, cx);
}
- let autoscroll = if let Some(autoscroll) = self.autoscroll_request.take() {
+ let (autoscroll, local) = if let Some(autoscroll) = self.autoscroll_request.take() {
autoscroll
} else {
return false;
@@ -1126,15 +1149,15 @@ impl Editor {
if target_top < start_row {
scroll_position.set_y(target_top);
- self.set_scroll_position(scroll_position, cx);
+ self.set_scroll_position_internal(scroll_position, local, cx);
} else if target_bottom >= end_row {
scroll_position.set_y(target_bottom - visible_lines);
- self.set_scroll_position(scroll_position, cx);
+ self.set_scroll_position_internal(scroll_position, local, cx);
}
}
Autoscroll::Center => {
scroll_position.set_y((first_cursor_top - margin).max(0.0));
- self.set_scroll_position(scroll_position, cx);
+ self.set_scroll_position_internal(scroll_position, local, cx);
}
}
@@ -1316,7 +1339,7 @@ impl Editor {
_ => {}
}
- self.set_selections(self.selections.clone(), Some(pending), cx);
+ self.set_selections(self.selections.clone(), Some(pending), true, cx);
}
fn begin_selection(
@@ -1396,7 +1419,12 @@ impl Editor {
} else {
selections = Arc::from([]);
}
- self.set_selections(selections, Some(PendingSelection { selection, mode }), cx);
+ self.set_selections(
+ selections,
+ Some(PendingSelection { selection, mode }),
+ true,
+ cx,
+ );
cx.notify();
}
@@ -1510,7 +1538,7 @@ impl Editor {
pending.selection.end = buffer.anchor_before(head);
pending.selection.reversed = false;
}
- self.set_selections(self.selections.clone(), Some(pending), cx);
+ self.set_selections(self.selections.clone(), Some(pending), true, cx);
} else {
log::error!("update_selection dispatched with no pending selection");
return;
@@ -1597,7 +1625,7 @@ impl Editor {
if selections.is_empty() {
selections = Arc::from([pending.selection]);
}
- self.set_selections(selections, None, cx);
+ self.set_selections(selections, None, true, cx);
self.request_autoscroll(Autoscroll::Fit, cx);
} else {
let mut oldest_selection = self.oldest_selection::<usize>(&cx);
@@ -1617,7 +1645,7 @@ impl Editor {
#[cfg(any(test, feature = "test-support"))]
pub fn selected_ranges<D: TextDimension + Ord + Sub<D, Output = D>>(
&self,
- cx: &mut MutableAppContext,
+ cx: &AppContext,
) -> Vec<Range<D>> {
self.local_selections::<D>(cx)
.iter()
@@ -1944,7 +1972,7 @@ impl Editor {
}
drop(snapshot);
- self.set_selections(selections.into(), None, cx);
+ self.set_selections(selections.into(), None, true, cx);
true
}
} else {
@@ -3334,7 +3362,7 @@ impl Editor {
pub fn undo(&mut self, _: &Undo, cx: &mut ViewContext<Self>) {
if let Some(tx_id) = self.buffer.update(cx, |buffer, cx| buffer.undo(cx)) {
if let Some((selections, _)) = self.selection_history.get(&tx_id).cloned() {
- self.set_selections(selections, None, cx);
+ self.set_selections(selections, None, true, cx);
}
self.request_autoscroll(Autoscroll::Fit, cx);
}
@@ -3343,7 +3371,7 @@ impl Editor {
pub fn redo(&mut self, _: &Redo, cx: &mut ViewContext<Self>) {
if let Some(tx_id) = self.buffer.update(cx, |buffer, cx| buffer.redo(cx)) {
if let Some((_, Some(selections))) = self.selection_history.get(&tx_id).cloned() {
- self.set_selections(selections, None, cx);
+ self.set_selections(selections, None, true, cx);
}
self.request_autoscroll(Autoscroll::Fit, cx);
}
@@ -4870,6 +4898,7 @@ impl Editor {
}
})),
None,
+ true,
cx,
);
}
@@ -4930,6 +4959,7 @@ impl Editor {
&mut self,
selections: Arc<[Selection<Anchor>]>,
pending_selection: Option<PendingSelection>,
+ local: bool,
cx: &mut ViewContext<Self>,
) {
assert!(
@@ -4941,7 +4971,7 @@ impl Editor {
self.selections = selections;
self.pending_selection = pending_selection;
- if self.focused {
+ if self.focused && self.leader_replica_id.is_none() {
self.buffer.update(cx, |buffer, cx| {
buffer.set_active_selections(&self.selections, cx)
});
@@ -4998,11 +5028,16 @@ impl Editor {
self.refresh_document_highlights(cx);
self.pause_cursor_blinking(cx);
- cx.emit(Event::SelectionsChanged);
+ cx.emit(Event::SelectionsChanged { local });
}
pub fn request_autoscroll(&mut self, autoscroll: Autoscroll, cx: &mut ViewContext<Self>) {
- self.autoscroll_request = Some(autoscroll);
+ self.autoscroll_request = Some((autoscroll, true));
+ cx.notify();
+ }
+
+ fn request_autoscroll_remotely(&mut self, autoscroll: Autoscroll, cx: &mut ViewContext<Self>) {
+ self.autoscroll_request = Some((autoscroll, false));
cx.notify();
}
@@ -5407,7 +5442,7 @@ impl Editor {
}
pub fn show_local_cursors(&self) -> bool {
- self.show_local_cursors
+ self.show_local_cursors && self.focused
}
fn on_buffer_changed(&mut self, _: ModelHandle<MultiBuffer>, cx: &mut ViewContext<Self>) {
@@ -5421,10 +5456,10 @@ impl Editor {
cx: &mut ViewContext<Self>,
) {
match event {
- language::Event::Edited => {
+ language::Event::Edited { local } => {
self.refresh_active_diagnostics(cx);
self.refresh_code_actions(cx);
- cx.emit(Event::Edited);
+ cx.emit(Event::Edited { local: *local });
}
language::Event::Dirtied => cx.emit(Event::Dirtied),
language::Event::Saved => cx.emit(Event::Saved),
@@ -5537,10 +5572,10 @@ impl Deref for EditorSnapshot {
fn compute_scroll_position(
snapshot: &DisplaySnapshot,
mut scroll_position: Vector2F,
- scroll_top_anchor: &Option<Anchor>,
+ scroll_top_anchor: &Anchor,
) -> Vector2F {
- if let Some(anchor) = scroll_top_anchor {
- let scroll_top = anchor.to_display_point(snapshot).row() as f32;
+ if *scroll_top_anchor != Anchor::min() {
+ let scroll_top = scroll_top_anchor.to_display_point(snapshot).row() as f32;
scroll_position.set_y(scroll_top + scroll_position.y());
} else {
scroll_position.set_y(0.);
@@ -5551,12 +5586,13 @@ fn compute_scroll_position(
#[derive(Copy, Clone)]
pub enum Event {
Activate,
- Edited,
+ Edited { local: bool },
Blurred,
Dirtied,
Saved,
TitleChanged,
- SelectionsChanged,
+ SelectionsChanged { local: bool },
+ ScrollPositionChanged { local: bool },
Closed,
}
@@ -5595,7 +5631,9 @@ impl View for Editor {
self.blink_cursors(self.blink_epoch, cx);
self.buffer.update(cx, |buffer, cx| {
buffer.finalize_last_transaction(cx);
- buffer.set_active_selections(&self.selections, cx)
+ if self.leader_replica_id.is_none() {
+ buffer.set_active_selections(&self.selections, cx);
+ }
});
}
}
@@ -6013,6 +6051,10 @@ mod tests {
use crate::test::marked_text_by;
use super::*;
+ use gpui::{
+ geometry::rect::RectF,
+ platform::{WindowBounds, WindowOptions},
+ };
use language::{LanguageConfig, LanguageServerConfig};
use lsp::FakeLanguageServer;
use project::FakeFs;
@@ -6021,6 +6063,7 @@ mod tests {
use text::Point;
use unindent::Unindent;
use util::test::sample_text;
+ use workspace::FollowableItem;
#[gpui::test]
fn test_undo_redo_with_selection_restoration(cx: &mut MutableAppContext) {
@@ -8921,6 +8964,75 @@ mod tests {
});
}
+ #[gpui::test]
+ fn test_following(cx: &mut gpui::MutableAppContext) {
+ let buffer = MultiBuffer::build_simple(&sample_text(16, 8, 'a'), cx);
+ populate_settings(cx);
+
+ let (_, leader) = cx.add_window(Default::default(), |cx| build_editor(buffer.clone(), cx));
+ let (_, follower) = cx.add_window(
+ WindowOptions {
+ bounds: WindowBounds::Fixed(RectF::from_points(vec2f(0., 0.), vec2f(10., 80.))),
+ ..Default::default()
+ },
+ |cx| build_editor(buffer.clone(), cx),
+ );
+
+ let pending_update = Rc::new(RefCell::new(None));
+ follower.update(cx, {
+ let update = pending_update.clone();
+ |_, cx| {
+ cx.subscribe(&leader, move |_, leader, event, cx| {
+ leader
+ .read(cx)
+ .add_event_to_update_proto(event, &mut *update.borrow_mut(), cx);
+ })
+ .detach();
+ }
+ });
+
+ // Update the selections only
+ leader.update(cx, |leader, cx| {
+ leader.select_ranges([1..1], None, cx);
+ });
+ follower.update(cx, |follower, cx| {
+ follower
+ .apply_update_proto(pending_update.borrow_mut().take().unwrap(), cx)
+ .unwrap();
+ });
+ assert_eq!(follower.read(cx).selected_ranges(cx), vec![1..1]);
+
+ // Update the scroll position only
+ leader.update(cx, |leader, cx| {
+ leader.set_scroll_position(vec2f(1.5, 3.5), cx);
+ });
+ follower.update(cx, |follower, cx| {
+ follower
+ .apply_update_proto(pending_update.borrow_mut().take().unwrap(), cx)
+ .unwrap();
+ });
+ assert_eq!(
+ follower.update(cx, |follower, cx| follower.scroll_position(cx)),
+ vec2f(1.5, 3.5)
+ );
+
+ // Update the selections and scroll position
+ leader.update(cx, |leader, cx| {
+ leader.select_ranges([0..0], None, cx);
+ leader.request_autoscroll(Autoscroll::Newest, cx);
+ leader.set_scroll_position(vec2f(1.5, 3.5), cx);
+ });
+ follower.update(cx, |follower, cx| {
+ let initial_scroll_position = follower.scroll_position(cx);
+ follower
+ .apply_update_proto(pending_update.borrow_mut().take().unwrap(), cx)
+ .unwrap();
+ assert_eq!(follower.scroll_position(cx), initial_scroll_position);
+ assert!(follower.autoscroll_request.is_some());
+ });
+ assert_eq!(follower.read(cx).selected_ranges(cx), vec![0..0]);
+ }
+
#[test]
fn test_combine_syntax_and_fuzzy_match_highlights() {
let string = "abcdefghijklmnop";
@@ -909,7 +909,7 @@ impl Element for EditorElement {
.anchor_before(DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right))
};
- let mut selections = HashMap::default();
+ let mut selections = Vec::new();
let mut active_rows = BTreeMap::new();
let mut highlighted_rows = None;
let mut highlighted_ranges = Vec::new();
@@ -922,11 +922,32 @@ impl Element for EditorElement {
&display_map,
);
+ let mut remote_selections = HashMap::default();
+ for (replica_id, selection) in display_map
+ .buffer_snapshot
+ .remote_selections_in_range(&(start_anchor.clone()..end_anchor.clone()))
+ {
+ // The local selections match the leader's selections.
+ if Some(replica_id) == view.leader_replica_id {
+ continue;
+ }
+
+ remote_selections
+ .entry(replica_id)
+ .or_insert(Vec::new())
+ .push(crate::Selection {
+ id: selection.id,
+ goal: selection.goal,
+ reversed: selection.reversed,
+ start: selection.start.to_display_point(&display_map),
+ end: selection.end.to_display_point(&display_map),
+ });
+ }
+ selections.extend(remote_selections);
+
if view.show_local_selections {
- let local_selections = view.local_selections_in_range(
- start_anchor.clone()..end_anchor.clone(),
- &display_map,
- );
+ let local_selections =
+ view.local_selections_in_range(start_anchor..end_anchor, &display_map);
for selection in &local_selections {
let is_empty = selection.start == selection.end;
let selection_start = snapshot.prev_line_boundary(selection.start).1;
@@ -939,8 +960,12 @@ impl Element for EditorElement {
*contains_non_empty_selection |= !is_empty;
}
}
- selections.insert(
- view.replica_id(cx),
+
+ // Render the local selections in the leader's color when following.
+ let local_replica_id = view.leader_replica_id.unwrap_or(view.replica_id(cx));
+
+ selections.push((
+ local_replica_id,
local_selections
.into_iter()
.map(|selection| crate::Selection {
@@ -951,23 +976,7 @@ impl Element for EditorElement {
end: selection.end.to_display_point(&display_map),
})
.collect(),
- );
- }
-
- for (replica_id, selection) in display_map
- .buffer_snapshot
- .remote_selections_in_range(&(start_anchor..end_anchor))
- {
- selections
- .entry(replica_id)
- .or_insert(Vec::new())
- .push(crate::Selection {
- id: selection.id,
- goal: selection.goal,
- reversed: selection.reversed,
- start: selection.start.to_display_point(&display_map),
- end: selection.end.to_display_point(&display_map),
- });
+ ));
}
});
@@ -1213,7 +1222,7 @@ pub struct LayoutState {
em_width: f32,
em_advance: f32,
highlighted_ranges: Vec<(Range<DisplayPoint>, Color)>,
- selections: HashMap<ReplicaId, Vec<text::Selection<DisplayPoint>>>,
+ selections: Vec<(ReplicaId, Vec<text::Selection<DisplayPoint>>)>,
context_menu: Option<(DisplayPoint, ElementBox)>,
code_actions_indicator: Option<(u32, ElementBox)>,
}
@@ -1,16 +1,244 @@
-use crate::{Autoscroll, Editor, Event, NavigationData, ToOffset, ToPoint as _};
-use anyhow::Result;
+use crate::{Anchor, Autoscroll, Editor, Event, ExcerptId, NavigationData, ToOffset, ToPoint as _};
+use anyhow::{anyhow, Result};
use gpui::{
- elements::*, AppContext, Entity, ModelHandle, RenderContext, Subscription, Task, View,
- ViewContext, ViewHandle,
+ elements::*, geometry::vector::vec2f, AppContext, Entity, ModelHandle, MutableAppContext,
+ RenderContext, Subscription, Task, View, ViewContext, ViewHandle,
};
-use language::{Bias, Buffer, Diagnostic, File as _};
-use project::{File, Project, ProjectPath};
-use std::fmt::Write;
-use std::path::PathBuf;
+use language::{Bias, Buffer, Diagnostic, File as _, SelectionGoal};
+use project::{File, Project, ProjectEntryId, ProjectPath};
+use rpc::proto::{self, update_view};
+use std::{fmt::Write, path::PathBuf};
use text::{Point, Selection};
use util::ResultExt;
-use workspace::{Item, ItemHandle, ItemNavHistory, ProjectItem, Settings, StatusItemView};
+use workspace::{
+ FollowableItem, Item, ItemHandle, ItemNavHistory, ProjectItem, Settings, StatusItemView,
+};
+
+impl FollowableItem for Editor {
+ fn from_state_proto(
+ pane: ViewHandle<workspace::Pane>,
+ project: ModelHandle<Project>,
+ state: &mut Option<proto::view::Variant>,
+ cx: &mut MutableAppContext,
+ ) -> Option<Task<Result<ViewHandle<Self>>>> {
+ let state = if matches!(state, Some(proto::view::Variant::Editor(_))) {
+ if let Some(proto::view::Variant::Editor(state)) = state.take() {
+ state
+ } else {
+ unreachable!()
+ }
+ } else {
+ return None;
+ };
+
+ let buffer = project.update(cx, |project, cx| {
+ project.open_buffer_by_id(state.buffer_id, cx)
+ });
+ Some(cx.spawn(|mut cx| async move {
+ let buffer = buffer.await?;
+ let editor = pane
+ .read_with(&cx, |pane, cx| {
+ pane.items_of_type::<Self>().find(|editor| {
+ editor.read(cx).buffer.read(cx).as_singleton().as_ref() == Some(&buffer)
+ })
+ })
+ .unwrap_or_else(|| {
+ cx.add_view(pane.window_id(), |cx| {
+ Editor::for_buffer(buffer, Some(project), cx)
+ })
+ });
+ editor.update(&mut cx, |editor, cx| {
+ let excerpt_id;
+ let buffer_id;
+ {
+ let buffer = editor.buffer.read(cx).read(cx);
+ let singleton = buffer.as_singleton().unwrap();
+ excerpt_id = singleton.0.clone();
+ buffer_id = singleton.1;
+ }
+ let selections = state
+ .selections
+ .into_iter()
+ .map(|selection| {
+ deserialize_selection(&excerpt_id, buffer_id, selection)
+ .ok_or_else(|| anyhow!("invalid selection"))
+ })
+ .collect::<Result<Vec<_>>>()?;
+ if !selections.is_empty() {
+ editor.set_selections(selections.into(), None, false, cx);
+ }
+
+ if let Some(anchor) = state.scroll_top_anchor {
+ editor.set_scroll_top_anchor(
+ Anchor {
+ buffer_id: Some(state.buffer_id as usize),
+ excerpt_id: excerpt_id.clone(),
+ text_anchor: language::proto::deserialize_anchor(anchor)
+ .ok_or_else(|| anyhow!("invalid scroll top"))?,
+ },
+ vec2f(state.scroll_x, state.scroll_y),
+ cx,
+ );
+ }
+
+ Ok::<_, anyhow::Error>(())
+ })?;
+ Ok(editor)
+ }))
+ }
+
+ fn set_leader_replica_id(
+ &mut self,
+ leader_replica_id: Option<u16>,
+ cx: &mut ViewContext<Self>,
+ ) {
+ self.leader_replica_id = leader_replica_id;
+ if self.leader_replica_id.is_some() {
+ self.buffer.update(cx, |buffer, cx| {
+ buffer.remove_active_selections(cx);
+ });
+ } else {
+ self.buffer.update(cx, |buffer, cx| {
+ if self.focused {
+ buffer.set_active_selections(&self.selections, cx);
+ }
+ });
+ }
+ cx.notify();
+ }
+
+ fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant> {
+ let buffer_id = self.buffer.read(cx).as_singleton()?.read(cx).remote_id();
+ Some(proto::view::Variant::Editor(proto::view::Editor {
+ buffer_id,
+ scroll_top_anchor: Some(language::proto::serialize_anchor(
+ &self.scroll_top_anchor.text_anchor,
+ )),
+ scroll_x: self.scroll_position.x(),
+ scroll_y: self.scroll_position.y(),
+ selections: self.selections.iter().map(serialize_selection).collect(),
+ }))
+ }
+
+ fn add_event_to_update_proto(
+ &self,
+ event: &Self::Event,
+ update: &mut Option<proto::update_view::Variant>,
+ _: &AppContext,
+ ) -> bool {
+ let update =
+ update.get_or_insert_with(|| proto::update_view::Variant::Editor(Default::default()));
+
+ match update {
+ proto::update_view::Variant::Editor(update) => match event {
+ Event::ScrollPositionChanged { .. } => {
+ update.scroll_top_anchor = Some(language::proto::serialize_anchor(
+ &self.scroll_top_anchor.text_anchor,
+ ));
+ update.scroll_x = self.scroll_position.x();
+ update.scroll_y = self.scroll_position.y();
+ true
+ }
+ Event::SelectionsChanged { .. } => {
+ update.selections = self
+ .selections
+ .iter()
+ .chain(self.pending_selection.as_ref().map(|p| &p.selection))
+ .map(serialize_selection)
+ .collect();
+ true
+ }
+ _ => false,
+ },
+ }
+ }
+
+ fn apply_update_proto(
+ &mut self,
+ message: update_view::Variant,
+ cx: &mut ViewContext<Self>,
+ ) -> Result<()> {
+ match message {
+ update_view::Variant::Editor(message) => {
+ let buffer = self.buffer.read(cx);
+ let buffer = buffer.read(cx);
+ let (excerpt_id, buffer_id, _) = buffer.as_singleton().unwrap();
+ let excerpt_id = excerpt_id.clone();
+ drop(buffer);
+
+ let selections = message
+ .selections
+ .into_iter()
+ .filter_map(|selection| {
+ deserialize_selection(&excerpt_id, buffer_id, selection)
+ })
+ .collect::<Vec<_>>();
+ if !selections.is_empty() {
+ self.set_selections(selections.into(), None, false, cx);
+ self.request_autoscroll_remotely(Autoscroll::Newest, cx);
+ } else {
+ if let Some(anchor) = message.scroll_top_anchor {
+ self.set_scroll_top_anchor(
+ Anchor {
+ buffer_id: Some(buffer_id),
+ excerpt_id: excerpt_id.clone(),
+ text_anchor: language::proto::deserialize_anchor(anchor)
+ .ok_or_else(|| anyhow!("invalid scroll top"))?,
+ },
+ vec2f(message.scroll_x, message.scroll_y),
+ cx,
+ );
+ }
+ }
+ }
+ }
+ Ok(())
+ }
+
+ fn should_unfollow_on_event(event: &Self::Event, _: &AppContext) -> bool {
+ match event {
+ Event::Edited { local } => *local,
+ Event::SelectionsChanged { local } => *local,
+ Event::ScrollPositionChanged { local } => *local,
+ _ => false,
+ }
+ }
+}
+
+fn serialize_selection(selection: &Selection<Anchor>) -> proto::Selection {
+ proto::Selection {
+ id: selection.id as u64,
+ start: Some(language::proto::serialize_anchor(
+ &selection.start.text_anchor,
+ )),
+ end: Some(language::proto::serialize_anchor(
+ &selection.end.text_anchor,
+ )),
+ reversed: selection.reversed,
+ }
+}
+
+fn deserialize_selection(
+ excerpt_id: &ExcerptId,
+ buffer_id: usize,
+ selection: proto::Selection,
+) -> Option<Selection<Anchor>> {
+ Some(Selection {
+ id: selection.id as usize,
+ start: Anchor {
+ buffer_id: Some(buffer_id),
+ excerpt_id: excerpt_id.clone(),
+ text_anchor: language::proto::deserialize_anchor(selection.start?)?,
+ },
+ end: Anchor {
+ buffer_id: Some(buffer_id),
+ excerpt_id: excerpt_id.clone(),
+ text_anchor: language::proto::deserialize_anchor(selection.end?)?,
+ },
+ reversed: selection.reversed,
+ goal: SelectionGoal::None,
+ })
+}
impl Item for Editor {
fn navigate(&mut self, data: Box<dyn std::any::Any>, cx: &mut ViewContext<Self>) {
@@ -41,6 +269,10 @@ impl Item for Editor {
})
}
+ fn project_entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId> {
+ File::from_dyn(self.buffer().read(cx).file(cx)).and_then(|file| file.project_entry_id(cx))
+ }
+
fn clone_on_split(&self, cx: &mut ViewContext<Self>) -> Option<Self>
where
Self: Sized,
@@ -821,6 +821,14 @@ impl MultiBuffer {
.map_or(Vec::new(), |state| state.excerpts.clone())
}
+ pub fn excerpt_ids(&self) -> Vec<ExcerptId> {
+ self.buffers
+ .borrow()
+ .values()
+ .flat_map(|state| state.excerpts.iter().cloned())
+ .collect()
+ }
+
pub fn excerpt_containing(
&self,
position: impl ToOffset,
@@ -291,7 +291,7 @@ impl FileFinder {
cx: &mut ViewContext<Self>,
) {
match event {
- editor::Event::Edited => {
+ editor::Event::Edited { .. } => {
let query = self.query_editor.update(cx, |buffer, cx| buffer.text(cx));
if query.is_empty() {
self.latest_search_id = post_inc(&mut self.search_count);
@@ -102,7 +102,7 @@ impl GoToLine {
) {
match event {
editor::Event::Blurred => cx.emit(Event::Dismissed),
- editor::Event::Edited => {
+ editor::Event::Edited { .. } => {
let line_editor = self.line_editor.read(cx).buffer().read(cx).read(cx).text();
let mut components = line_editor.trim().split(&[',', ':'][..]);
let row = components.next().and_then(|row| row.parse::<u32>().ok());
@@ -8,6 +8,7 @@ use crate::{
AssetCache, AssetSource, ClipboardItem, FontCache, PathPromptOptions, TextLayoutCache,
};
use anyhow::{anyhow, Result};
+use collections::btree_map;
use keymap::MatchResult;
use lazy_static::lazy_static;
use parking_lot::Mutex;
@@ -93,6 +94,8 @@ pub trait UpgradeModelHandle {
pub trait UpgradeViewHandle {
fn upgrade_view_handle<T: View>(&self, handle: &WeakViewHandle<T>) -> Option<ViewHandle<T>>;
+
+ fn upgrade_any_view_handle(&self, handle: &AnyWeakViewHandle) -> Option<AnyViewHandle>;
}
pub trait ReadView {
@@ -182,6 +185,12 @@ macro_rules! action {
Box::new(self.clone())
}
}
+
+ impl From<$arg> for $name {
+ fn from(arg: $arg) -> Self {
+ Self(arg)
+ }
+ }
};
($name:ident) => {
@@ -647,6 +656,10 @@ impl UpgradeViewHandle for AsyncAppContext {
fn upgrade_view_handle<T: View>(&self, handle: &WeakViewHandle<T>) -> Option<ViewHandle<T>> {
self.0.borrow_mut().upgrade_view_handle(handle)
}
+
+ fn upgrade_any_view_handle(&self, handle: &AnyWeakViewHandle) -> Option<AnyViewHandle> {
+ self.0.borrow_mut().upgrade_any_view_handle(handle)
+ }
}
impl ReadModelWith for AsyncAppContext {
@@ -1098,21 +1111,18 @@ impl MutableAppContext {
E: Any,
F: 'static + FnMut(&E, &mut Self),
{
- let id = post_inc(&mut self.next_subscription_id);
+ let subscription_id = post_inc(&mut self.next_subscription_id);
let type_id = TypeId::of::<E>();
- self.global_subscriptions
- .lock()
- .entry(type_id)
- .or_default()
- .insert(
- id,
- Some(Box::new(move |payload, cx| {
- let payload = payload.downcast_ref().expect("downcast is type safe");
- callback(payload, cx)
- })),
- );
+ self.pending_effects.push_back(Effect::GlobalSubscription {
+ type_id,
+ subscription_id,
+ callback: Box::new(move |payload, cx| {
+ let payload = payload.downcast_ref().expect("downcast is type safe");
+ callback(payload, cx)
+ }),
+ });
Subscription::GlobalSubscription {
- id,
+ id: subscription_id,
type_id,
subscriptions: Some(Arc::downgrade(&self.global_subscriptions)),
}
@@ -1138,25 +1148,22 @@ impl MutableAppContext {
H: Handle<E>,
F: 'static + FnMut(H, &E::Event, &mut Self) -> bool,
{
- let id = post_inc(&mut self.next_subscription_id);
+ let subscription_id = post_inc(&mut self.next_subscription_id);
let emitter = handle.downgrade();
- self.subscriptions
- .lock()
- .entry(handle.id())
- .or_default()
- .insert(
- id,
- Some(Box::new(move |payload, cx| {
- if let Some(emitter) = H::upgrade_from(&emitter, cx.as_ref()) {
- let payload = payload.downcast_ref().expect("downcast is type safe");
- callback(emitter, payload, cx)
- } else {
- false
- }
- })),
- );
+ self.pending_effects.push_back(Effect::Subscription {
+ entity_id: handle.id(),
+ subscription_id,
+ callback: Box::new(move |payload, cx| {
+ if let Some(emitter) = H::upgrade_from(&emitter, cx.as_ref()) {
+ let payload = payload.downcast_ref().expect("downcast is type safe");
+ callback(emitter, payload, cx)
+ } else {
+ false
+ }
+ }),
+ });
Subscription::Subscription {
- id,
+ id: subscription_id,
entity_id: handle.id(),
subscriptions: Some(Arc::downgrade(&self.subscriptions)),
}
@@ -1169,25 +1176,23 @@ impl MutableAppContext {
H: Handle<E>,
F: 'static + FnMut(H, &mut Self) -> bool,
{
- let id = post_inc(&mut self.next_subscription_id);
+ let subscription_id = post_inc(&mut self.next_subscription_id);
let observed = handle.downgrade();
- self.observations
- .lock()
- .entry(handle.id())
- .or_default()
- .insert(
- id,
- Some(Box::new(move |cx| {
- if let Some(observed) = H::upgrade_from(&observed, cx) {
- callback(observed, cx)
- } else {
- false
- }
- })),
- );
+ let entity_id = handle.id();
+ self.pending_effects.push_back(Effect::Observation {
+ entity_id,
+ subscription_id,
+ callback: Box::new(move |cx| {
+ if let Some(observed) = H::upgrade_from(&observed, cx) {
+ callback(observed, cx)
+ } else {
+ false
+ }
+ }),
+ });
Subscription::Observation {
- id,
- entity_id: handle.id(),
+ id: subscription_id,
+ entity_id,
observations: Some(Arc::downgrade(&self.observations)),
}
}
@@ -1219,7 +1224,17 @@ impl MutableAppContext {
}
fn defer(&mut self, callback: Box<dyn FnOnce(&mut MutableAppContext)>) {
- self.pending_effects.push_back(Effect::Deferred(callback))
+ self.pending_effects.push_back(Effect::Deferred {
+ callback,
+ after_window_update: false,
+ })
+ }
+
+ pub fn after_window_update(&mut self, callback: impl 'static + FnOnce(&mut MutableAppContext)) {
+ self.pending_effects.push_back(Effect::Deferred {
+ callback: Box::new(callback),
+ after_window_update: true,
+ })
}
pub(crate) fn notify_model(&mut self, model_id: usize) {
@@ -1635,6 +1650,7 @@ impl MutableAppContext {
fn flush_effects(&mut self) {
self.pending_flushes = self.pending_flushes.saturating_sub(1);
+ let mut after_window_update_callbacks = Vec::new();
if !self.flushing_effects && self.pending_flushes == 0 {
self.flushing_effects = true;
@@ -1643,15 +1659,43 @@ impl MutableAppContext {
loop {
if let Some(effect) = self.pending_effects.pop_front() {
match effect {
+ Effect::Subscription {
+ entity_id,
+ subscription_id,
+ callback,
+ } => self.handle_subscription_effect(entity_id, subscription_id, callback),
Effect::Event { entity_id, payload } => self.emit_event(entity_id, payload),
+ Effect::GlobalSubscription {
+ type_id,
+ subscription_id,
+ callback,
+ } => self.handle_global_subscription_effect(
+ type_id,
+ subscription_id,
+ callback,
+ ),
Effect::GlobalEvent { payload } => self.emit_global_event(payload),
+ Effect::Observation {
+ entity_id,
+ subscription_id,
+ callback,
+ } => self.handle_observation_effect(entity_id, subscription_id, callback),
Effect::ModelNotification { model_id } => {
self.notify_model_observers(model_id)
}
Effect::ViewNotification { window_id, view_id } => {
self.notify_view_observers(window_id, view_id)
}
- Effect::Deferred(callback) => callback(self),
+ Effect::Deferred {
+ callback,
+ after_window_update,
+ } => {
+ if after_window_update {
+ after_window_update_callbacks.push(callback);
+ } else {
+ callback(self)
+ }
+ }
Effect::ModelRelease { model_id, model } => {
self.notify_release_observers(model_id, model.as_any())
}
@@ -1683,12 +1727,18 @@ impl MutableAppContext {
}
if self.pending_effects.is_empty() {
- self.flushing_effects = false;
- self.pending_notifications.clear();
- break;
- } else {
- refreshing = false;
+ for callback in after_window_update_callbacks.drain(..) {
+ callback(self);
+ }
+
+ if self.pending_effects.is_empty() {
+ self.flushing_effects = false;
+ self.pending_notifications.clear();
+ break;
+ }
}
+
+ refreshing = false;
}
}
}
@@ -1759,6 +1809,30 @@ impl MutableAppContext {
}
}
+ fn handle_subscription_effect(
+ &mut self,
+ entity_id: usize,
+ subscription_id: usize,
+ callback: SubscriptionCallback,
+ ) {
+ match self
+ .subscriptions
+ .lock()
+ .entry(entity_id)
+ .or_default()
+ .entry(subscription_id)
+ {
+ btree_map::Entry::Vacant(entry) => {
+ entry.insert(Some(callback));
+ }
+ // Subscription was dropped before effect was processed
+ btree_map::Entry::Occupied(entry) => {
+ debug_assert!(entry.get().is_none());
+ entry.remove();
+ }
+ }
+ }
+
fn emit_event(&mut self, entity_id: usize, payload: Box<dyn Any>) {
let callbacks = self.subscriptions.lock().remove(&entity_id);
if let Some(callbacks) = callbacks {
@@ -1773,10 +1847,10 @@ impl MutableAppContext {
.or_default()
.entry(id)
{
- collections::btree_map::Entry::Vacant(entry) => {
+ btree_map::Entry::Vacant(entry) => {
entry.insert(Some(callback));
}
- collections::btree_map::Entry::Occupied(entry) => {
+ btree_map::Entry::Occupied(entry) => {
entry.remove();
}
}
@@ -1786,6 +1860,30 @@ impl MutableAppContext {
}
}
+ fn handle_global_subscription_effect(
+ &mut self,
+ type_id: TypeId,
+ subscription_id: usize,
+ callback: GlobalSubscriptionCallback,
+ ) {
+ match self
+ .global_subscriptions
+ .lock()
+ .entry(type_id)
+ .or_default()
+ .entry(subscription_id)
+ {
+ btree_map::Entry::Vacant(entry) => {
+ entry.insert(Some(callback));
+ }
+ // Subscription was dropped before effect was processed
+ btree_map::Entry::Occupied(entry) => {
+ debug_assert!(entry.get().is_none());
+ entry.remove();
+ }
+ }
+ }
+
fn emit_global_event(&mut self, payload: Box<dyn Any>) {
let type_id = (&*payload).type_id();
let callbacks = self.global_subscriptions.lock().remove(&type_id);
@@ -1800,10 +1898,10 @@ impl MutableAppContext {
.or_default()
.entry(id)
{
- collections::btree_map::Entry::Vacant(entry) => {
+ btree_map::Entry::Vacant(entry) => {
entry.insert(Some(callback));
}
- collections::btree_map::Entry::Occupied(entry) => {
+ btree_map::Entry::Occupied(entry) => {
entry.remove();
}
}
@@ -1812,6 +1910,30 @@ impl MutableAppContext {
}
}
+ fn handle_observation_effect(
+ &mut self,
+ entity_id: usize,
+ subscription_id: usize,
+ callback: ObservationCallback,
+ ) {
+ match self
+ .observations
+ .lock()
+ .entry(entity_id)
+ .or_default()
+ .entry(subscription_id)
+ {
+ btree_map::Entry::Vacant(entry) => {
+ entry.insert(Some(callback));
+ }
+ // Observation was dropped before effect was processed
+ btree_map::Entry::Occupied(entry) => {
+ debug_assert!(entry.get().is_none());
+ entry.remove();
+ }
+ }
+ }
+
fn notify_model_observers(&mut self, observed_id: usize) {
let callbacks = self.observations.lock().remove(&observed_id);
if let Some(callbacks) = callbacks {
@@ -1827,10 +1949,10 @@ impl MutableAppContext {
.or_default()
.entry(id)
{
- collections::btree_map::Entry::Vacant(entry) => {
+ btree_map::Entry::Vacant(entry) => {
entry.insert(Some(callback));
}
- collections::btree_map::Entry::Occupied(entry) => {
+ btree_map::Entry::Occupied(entry) => {
entry.remove();
}
}
@@ -1868,10 +1990,10 @@ impl MutableAppContext {
.or_default()
.entry(id)
{
- collections::btree_map::Entry::Vacant(entry) => {
+ btree_map::Entry::Vacant(entry) => {
entry.insert(Some(callback));
}
- collections::btree_map::Entry::Occupied(entry) => {
+ btree_map::Entry::Occupied(entry) => {
entry.remove();
}
}
@@ -2017,6 +2139,10 @@ impl UpgradeViewHandle for MutableAppContext {
fn upgrade_view_handle<T: View>(&self, handle: &WeakViewHandle<T>) -> Option<ViewHandle<T>> {
self.cx.upgrade_view_handle(handle)
}
+
+ fn upgrade_any_view_handle(&self, handle: &AnyWeakViewHandle) -> Option<AnyViewHandle> {
+ self.cx.upgrade_any_view_handle(handle)
+ }
}
impl ReadView for MutableAppContext {
@@ -2111,6 +2237,10 @@ impl AppContext {
&self.platform
}
+ pub fn has_global<T: 'static>(&self) -> bool {
+ self.globals.contains_key(&TypeId::of::<T>())
+ }
+
pub fn global<T: 'static>(&self) -> &T {
self.globals
.get(&TypeId::of::<T>())
@@ -2174,6 +2304,19 @@ impl UpgradeViewHandle for AppContext {
None
}
}
+
+ fn upgrade_any_view_handle(&self, handle: &AnyWeakViewHandle) -> Option<AnyViewHandle> {
+ if self.ref_counts.lock().is_entity_alive(handle.view_id) {
+ Some(AnyViewHandle::new(
+ handle.window_id,
+ handle.view_id,
+ handle.view_type,
+ self.ref_counts.clone(),
+ ))
+ } else {
+ None
+ }
+ }
}
impl ReadView for AppContext {
@@ -2201,13 +2344,28 @@ pub struct WindowInvalidation {
}
pub enum Effect {
+ Subscription {
+ entity_id: usize,
+ subscription_id: usize,
+ callback: SubscriptionCallback,
+ },
Event {
entity_id: usize,
payload: Box<dyn Any>,
},
+ GlobalSubscription {
+ type_id: TypeId,
+ subscription_id: usize,
+ callback: GlobalSubscriptionCallback,
+ },
GlobalEvent {
payload: Box<dyn Any>,
},
+ Observation {
+ entity_id: usize,
+ subscription_id: usize,
+ callback: ObservationCallback,
+ },
ModelNotification {
model_id: usize,
},
@@ -2215,7 +2373,10 @@ pub enum Effect {
window_id: usize,
view_id: usize,
},
- Deferred(Box<dyn FnOnce(&mut MutableAppContext)>),
+ Deferred {
+ callback: Box<dyn FnOnce(&mut MutableAppContext)>,
+ after_window_update: bool,
+ },
ModelRelease {
model_id: usize,
model: Box<dyn AnyModel>,
@@ -2237,14 +2398,41 @@ pub enum Effect {
impl Debug for Effect {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
+ Effect::Subscription {
+ entity_id,
+ subscription_id,
+ ..
+ } => f
+ .debug_struct("Effect::Subscribe")
+ .field("entity_id", entity_id)
+ .field("subscription_id", subscription_id)
+ .finish(),
Effect::Event { entity_id, .. } => f
.debug_struct("Effect::Event")
.field("entity_id", entity_id)
.finish(),
+ Effect::GlobalSubscription {
+ type_id,
+ subscription_id,
+ ..
+ } => f
+ .debug_struct("Effect::Subscribe")
+ .field("type_id", type_id)
+ .field("subscription_id", subscription_id)
+ .finish(),
Effect::GlobalEvent { payload, .. } => f
.debug_struct("Effect::GlobalEvent")
.field("type_id", &(&*payload).type_id())
.finish(),
+ Effect::Observation {
+ entity_id,
+ subscription_id,
+ ..
+ } => f
+ .debug_struct("Effect::Observation")
+ .field("entity_id", entity_id)
+ .field("subscription_id", subscription_id)
+ .finish(),
Effect::ModelNotification { model_id } => f
.debug_struct("Effect::ModelNotification")
.field("model_id", model_id)
@@ -2254,7 +2442,7 @@ impl Debug for Effect {
.field("window_id", window_id)
.field("view_id", view_id)
.finish(),
- Effect::Deferred(_) => f.debug_struct("Effect::Deferred").finish(),
+ Effect::Deferred { .. } => f.debug_struct("Effect::Deferred").finish(),
Effect::ModelRelease { model_id, .. } => f
.debug_struct("Effect::ModelRelease")
.field("model_id", model_id)
@@ -2786,6 +2974,18 @@ impl<'a, T: View> ViewContext<'a, T> {
}))
}
+ pub fn after_window_update(
+ &mut self,
+ callback: impl 'static + FnOnce(&mut T, &mut ViewContext<T>),
+ ) {
+ let handle = self.handle();
+ self.app.after_window_update(move |cx| {
+ handle.update(cx, |view, cx| {
+ callback(view, cx);
+ })
+ })
+ }
+
pub fn propagate_action(&mut self) {
self.app.halt_action_dispatch = false;
}
@@ -2931,6 +3131,10 @@ impl<V> UpgradeViewHandle for ViewContext<'_, V> {
fn upgrade_view_handle<T: View>(&self, handle: &WeakViewHandle<T>) -> Option<ViewHandle<T>> {
self.cx.upgrade_view_handle(handle)
}
+
+ fn upgrade_any_view_handle(&self, handle: &AnyWeakViewHandle) -> Option<AnyViewHandle> {
+ self.cx.upgrade_any_view_handle(handle)
+ }
}
impl<V: View> UpdateModel for ViewContext<'_, V> {
@@ -3505,6 +3709,13 @@ impl<T> PartialEq<ViewHandle<T>> for WeakViewHandle<T> {
impl<T> Eq for ViewHandle<T> {}
+impl<T> Hash for ViewHandle<T> {
+ fn hash<H: Hasher>(&self, state: &mut H) {
+ self.window_id.hash(state);
+ self.view_id.hash(state);
+ }
+}
+
impl<T> Debug for ViewHandle<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct(&format!("ViewHandle<{}>", type_name::<T>()))
@@ -3619,6 +3830,18 @@ impl AnyViewHandle {
None
}
}
+
+ pub fn downgrade(&self) -> AnyWeakViewHandle {
+ AnyWeakViewHandle {
+ window_id: self.window_id,
+ view_id: self.view_id,
+ view_type: self.view_type,
+ }
+ }
+
+ pub fn view_type(&self) -> TypeId {
+ self.view_type
+ }
}
impl Clone for AnyViewHandle {
@@ -3845,6 +4068,28 @@ impl<T> Hash for WeakViewHandle<T> {
}
}
+pub struct AnyWeakViewHandle {
+ window_id: usize,
+ view_id: usize,
+ view_type: TypeId,
+}
+
+impl AnyWeakViewHandle {
+ pub fn upgrade(&self, cx: &impl UpgradeViewHandle) -> Option<AnyViewHandle> {
+ cx.upgrade_any_view_handle(self)
+ }
+}
+
+impl<T: View> From<WeakViewHandle<T>> for AnyWeakViewHandle {
+ fn from(handle: WeakViewHandle<T>) -> Self {
+ AnyWeakViewHandle {
+ window_id: handle.window_id,
+ view_id: handle.view_id,
+ view_type: TypeId::of::<T>(),
+ }
+ }
+}
+
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub struct ElementStateId {
view_id: usize,
@@ -3975,10 +4220,10 @@ impl Drop for Subscription {
.or_default()
.entry(*id)
{
- collections::btree_map::Entry::Vacant(entry) => {
+ btree_map::Entry::Vacant(entry) => {
entry.insert(None);
}
- collections::btree_map::Entry::Occupied(entry) => {
+ btree_map::Entry::Occupied(entry) => {
entry.remove();
}
}
@@ -3991,10 +4236,10 @@ impl Drop for Subscription {
} => {
if let Some(subscriptions) = subscriptions.as_ref().and_then(Weak::upgrade) {
match subscriptions.lock().entry(*type_id).or_default().entry(*id) {
- collections::btree_map::Entry::Vacant(entry) => {
+ btree_map::Entry::Vacant(entry) => {
entry.insert(None);
}
- collections::btree_map::Entry::Occupied(entry) => {
+ btree_map::Entry::Occupied(entry) => {
entry.remove();
}
}
@@ -4012,10 +4257,10 @@ impl Drop for Subscription {
.or_default()
.entry(*id)
{
- collections::btree_map::Entry::Vacant(entry) => {
+ btree_map::Entry::Vacant(entry) => {
entry.insert(None);
}
- collections::btree_map::Entry::Occupied(entry) => {
+ btree_map::Entry::Occupied(entry) => {
entry.remove();
}
}
@@ -4220,7 +4465,7 @@ mod tests {
use smol::future::poll_once;
use std::{
cell::Cell,
- sync::atomic::{AtomicUsize, Ordering::SeqCst},
+ sync::atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
};
#[crate::test(self)]
@@ -4297,6 +4542,7 @@ mod tests {
let handle_1 = cx.add_model(|_| Model::default());
let handle_2 = cx.add_model(|_| Model::default());
+
handle_1.update(cx, |_, cx| {
cx.subscribe(&handle_2, move |model: &mut Model, emitter, event, cx| {
model.events.push(*event);
@@ -4316,6 +4562,37 @@ mod tests {
assert_eq!(handle_1.read(cx).events, vec![7, 5, 10]);
}
+ #[crate::test(self)]
+ fn test_model_emit_before_subscribe_in_same_update_cycle(cx: &mut MutableAppContext) {
+ #[derive(Default)]
+ struct Model;
+
+ impl Entity for Model {
+ type Event = ();
+ }
+
+ let events = Rc::new(RefCell::new(Vec::new()));
+ cx.add_model(|cx| {
+ drop(cx.subscribe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _, _| events.borrow_mut().push("dropped before flush")
+ }));
+ cx.subscribe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _, _| events.borrow_mut().push("before emit")
+ })
+ .detach();
+ cx.emit(());
+ cx.subscribe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _, _| events.borrow_mut().push("after emit")
+ })
+ .detach();
+ Model
+ });
+ assert_eq!(*events.borrow(), ["before emit"]);
+ }
+
#[crate::test(self)]
fn test_observe_and_notify_from_model(cx: &mut MutableAppContext) {
#[derive(Default)]
@@ -4355,6 +4632,89 @@ mod tests {
assert_eq!(handle_1.read(cx).events, vec![7, 5, 10])
}
+ #[crate::test(self)]
+ fn test_model_notify_before_observe_in_same_update_cycle(cx: &mut MutableAppContext) {
+ #[derive(Default)]
+ struct Model;
+
+ impl Entity for Model {
+ type Event = ();
+ }
+
+ let events = Rc::new(RefCell::new(Vec::new()));
+ cx.add_model(|cx| {
+ drop(cx.observe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _| events.borrow_mut().push("dropped before flush")
+ }));
+ cx.observe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _| events.borrow_mut().push("before notify")
+ })
+ .detach();
+ cx.notify();
+ cx.observe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _| events.borrow_mut().push("after notify")
+ })
+ .detach();
+ Model
+ });
+ assert_eq!(*events.borrow(), ["before notify"]);
+ }
+
+ #[crate::test(self)]
+ fn test_defer_and_after_window_update(cx: &mut MutableAppContext) {
+ struct View {
+ render_count: usize,
+ }
+
+ impl Entity for View {
+ type Event = usize;
+ }
+
+ impl super::View for View {
+ fn render(&mut self, _: &mut RenderContext<Self>) -> ElementBox {
+ post_inc(&mut self.render_count);
+ Empty::new().boxed()
+ }
+
+ fn ui_name() -> &'static str {
+ "View"
+ }
+ }
+
+ let (_, view) = cx.add_window(Default::default(), |_| View { render_count: 0 });
+ let called_defer = Rc::new(AtomicBool::new(false));
+ let called_after_window_update = Rc::new(AtomicBool::new(false));
+
+ view.update(cx, |this, cx| {
+ assert_eq!(this.render_count, 1);
+ cx.defer({
+ let called_defer = called_defer.clone();
+ move |this, _| {
+ assert_eq!(this.render_count, 1);
+ called_defer.store(true, SeqCst);
+ }
+ });
+ cx.after_window_update({
+ let called_after_window_update = called_after_window_update.clone();
+ move |this, cx| {
+ assert_eq!(this.render_count, 2);
+ called_after_window_update.store(true, SeqCst);
+ cx.notify();
+ }
+ });
+ assert!(!called_defer.load(SeqCst));
+ assert!(!called_after_window_update.load(SeqCst));
+ cx.notify();
+ });
+
+ assert!(called_defer.load(SeqCst));
+ assert!(called_after_window_update.load(SeqCst));
+ assert_eq!(view.read(cx).render_count, 3);
+ }
+
#[crate::test(self)]
fn test_view_handles(cx: &mut MutableAppContext) {
struct View {
@@ -4649,6 +5009,41 @@ mod tests {
);
}
+ #[crate::test(self)]
+ fn test_global_events_emitted_before_subscription_in_same_update_cycle(
+ cx: &mut MutableAppContext,
+ ) {
+ let events = Rc::new(RefCell::new(Vec::new()));
+ cx.update(|cx| {
+ {
+ let events = events.clone();
+ drop(cx.subscribe_global(move |_: &(), _| {
+ events.borrow_mut().push("dropped before emit");
+ }));
+ }
+
+ {
+ let events = events.clone();
+ cx.subscribe_global(move |_: &(), _| {
+ events.borrow_mut().push("before emit");
+ })
+ .detach();
+ }
+
+ cx.emit_global(());
+
+ {
+ let events = events.clone();
+ cx.subscribe_global(move |_: &(), _| {
+ events.borrow_mut().push("after emit");
+ })
+ .detach();
+ }
+ });
+
+ assert_eq!(*events.borrow(), ["before emit"]);
+ }
+
#[crate::test(self)]
fn test_global_nested_events(cx: &mut MutableAppContext) {
#[derive(Clone, Debug, Eq, PartialEq)]
@@ -4661,11 +5056,13 @@ mod tests {
cx.subscribe_global(move |e: &GlobalEvent, cx| {
events.borrow_mut().push(("Outer", e.clone()));
- let events = events.clone();
- cx.subscribe_global(move |e: &GlobalEvent, _| {
- events.borrow_mut().push(("Inner", e.clone()));
- })
- .detach();
+ if e.0 == 1 {
+ let events = events.clone();
+ cx.subscribe_global(move |e: &GlobalEvent, _| {
+ events.borrow_mut().push(("Inner", e.clone()));
+ })
+ .detach();
+ }
})
.detach();
}
@@ -4675,16 +5072,18 @@ mod tests {
cx.emit_global(GlobalEvent(2));
cx.emit_global(GlobalEvent(3));
});
+ cx.update(|cx| {
+ cx.emit_global(GlobalEvent(4));
+ });
assert_eq!(
&*events.borrow(),
&[
("Outer", GlobalEvent(1)),
("Outer", GlobalEvent(2)),
- ("Inner", GlobalEvent(2)),
("Outer", GlobalEvent(3)),
- ("Inner", GlobalEvent(3)),
- ("Inner", GlobalEvent(3)),
+ ("Outer", GlobalEvent(4)),
+ ("Inner", GlobalEvent(4)),
]
);
}
@@ -4736,6 +5135,47 @@ mod tests {
observed_model.update(cx, |_, cx| cx.emit(()));
}
+ #[crate::test(self)]
+ fn test_view_emit_before_subscribe_in_same_update_cycle(cx: &mut MutableAppContext) {
+ #[derive(Default)]
+ struct TestView;
+
+ impl Entity for TestView {
+ type Event = ();
+ }
+
+ impl View for TestView {
+ fn ui_name() -> &'static str {
+ "TestView"
+ }
+
+ fn render(&mut self, _: &mut RenderContext<Self>) -> ElementBox {
+ Empty::new().boxed()
+ }
+ }
+
+ let events = Rc::new(RefCell::new(Vec::new()));
+ cx.add_window(Default::default(), |cx| {
+ drop(cx.subscribe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _, _| events.borrow_mut().push("dropped before flush")
+ }));
+ cx.subscribe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _, _| events.borrow_mut().push("before emit")
+ })
+ .detach();
+ cx.emit(());
+ cx.subscribe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _, _| events.borrow_mut().push("after emit")
+ })
+ .detach();
+ TestView
+ });
+ assert_eq!(*events.borrow(), ["before emit"]);
+ }
+
#[crate::test(self)]
fn test_observe_and_notify_from_view(cx: &mut MutableAppContext) {
#[derive(Default)]
@@ -4783,6 +5223,47 @@ mod tests {
assert_eq!(view.read(cx).events, vec![11]);
}
+ #[crate::test(self)]
+ fn test_view_notify_before_observe_in_same_update_cycle(cx: &mut MutableAppContext) {
+ #[derive(Default)]
+ struct TestView;
+
+ impl Entity for TestView {
+ type Event = ();
+ }
+
+ impl View for TestView {
+ fn ui_name() -> &'static str {
+ "TestView"
+ }
+
+ fn render(&mut self, _: &mut RenderContext<Self>) -> ElementBox {
+ Empty::new().boxed()
+ }
+ }
+
+ let events = Rc::new(RefCell::new(Vec::new()));
+ cx.add_window(Default::default(), |cx| {
+ drop(cx.observe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _| events.borrow_mut().push("dropped before flush")
+ }));
+ cx.observe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _| events.borrow_mut().push("before notify")
+ })
+ .detach();
+ cx.notify();
+ cx.observe(&cx.handle(), {
+ let events = events.clone();
+ move |_, _, _| events.borrow_mut().push("after notify")
+ })
+ .detach();
+ TestView
+ });
+ assert_eq!(*events.borrow(), ["before notify"]);
+ }
+
#[crate::test(self)]
fn test_dropping_observers(cx: &mut MutableAppContext) {
struct View;
@@ -299,6 +299,10 @@ impl<'a> UpgradeViewHandle for LayoutContext<'a> {
fn upgrade_view_handle<T: View>(&self, handle: &WeakViewHandle<T>) -> Option<ViewHandle<T>> {
self.app.upgrade_view_handle(handle)
}
+
+ fn upgrade_any_view_handle(&self, handle: &crate::AnyWeakViewHandle) -> Option<AnyViewHandle> {
+ self.app.upgrade_any_view_handle(handle)
+ }
}
impl<'a> ElementStateContext for LayoutContext<'a> {
@@ -142,7 +142,7 @@ pub enum Operation {
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum Event {
Operation(Operation),
- Edited,
+ Edited { local: bool },
Dirtied,
Saved,
FileHandleChanged,
@@ -967,7 +967,7 @@ impl Buffer {
) -> Option<TransactionId> {
if let Some((transaction_id, start_version)) = self.text.end_transaction_at(now) {
let was_dirty = start_version != self.saved_version;
- self.did_edit(&start_version, was_dirty, cx);
+ self.did_edit(&start_version, was_dirty, true, cx);
Some(transaction_id)
} else {
None
@@ -1160,6 +1160,7 @@ impl Buffer {
&mut self,
old_version: &clock::Global,
was_dirty: bool,
+ local: bool,
cx: &mut ModelContext<Self>,
) {
if self.edits_since::<usize>(old_version).next().is_none() {
@@ -1168,7 +1169,7 @@ impl Buffer {
self.reparse(cx);
- cx.emit(Event::Edited);
+ cx.emit(Event::Edited { local });
if !was_dirty {
cx.emit(Event::Dirtied);
}
@@ -1205,7 +1206,7 @@ impl Buffer {
self.text.apply_ops(buffer_ops)?;
self.deferred_ops.insert(deferred_ops);
self.flush_deferred_ops(cx);
- self.did_edit(&old_version, was_dirty, cx);
+ self.did_edit(&old_version, was_dirty, false, cx);
// Notify independently of whether the buffer was edited as the operations could include a
// selection update.
cx.notify();
@@ -1320,7 +1321,7 @@ impl Buffer {
if let Some((transaction_id, operation)) = self.text.undo() {
self.send_operation(Operation::Buffer(operation), cx);
- self.did_edit(&old_version, was_dirty, cx);
+ self.did_edit(&old_version, was_dirty, true, cx);
Some(transaction_id)
} else {
None
@@ -1341,7 +1342,7 @@ impl Buffer {
self.send_operation(Operation::Buffer(operation), cx);
}
if undone {
- self.did_edit(&old_version, was_dirty, cx)
+ self.did_edit(&old_version, was_dirty, true, cx)
}
undone
}
@@ -1352,7 +1353,7 @@ impl Buffer {
if let Some((transaction_id, operation)) = self.text.redo() {
self.send_operation(Operation::Buffer(operation), cx);
- self.did_edit(&old_version, was_dirty, cx);
+ self.did_edit(&old_version, was_dirty, true, cx);
Some(transaction_id)
} else {
None
@@ -1373,7 +1374,7 @@ impl Buffer {
self.send_operation(Operation::Buffer(operation), cx);
}
if redone {
- self.did_edit(&old_version, was_dirty, cx)
+ self.did_edit(&old_version, was_dirty, true, cx)
}
redone
}
@@ -1439,7 +1440,7 @@ impl Buffer {
if !ops.is_empty() {
for op in ops {
self.send_operation(Operation::Buffer(op), cx);
- self.did_edit(&old_version, was_dirty, cx);
+ self.did_edit(&old_version, was_dirty, true, cx);
}
}
}
@@ -1800,12 +1801,6 @@ impl BufferSnapshot {
.min_by_key(|(open_range, close_range)| close_range.end - open_range.start)
}
- /*
- impl BufferSnapshot
- pub fn remote_selections_in_range(&self, Range<Anchor>) -> impl Iterator<Item = (ReplicaId, impl Iterator<Item = &Selection<Anchor>>)>
- pub fn remote_selections_in_range(&self, Range<Anchor>) -> impl Iterator<Item = (ReplicaId, i
- */
-
pub fn remote_selections_in_range<'a>(
&'a self,
range: Range<Anchor>,
@@ -100,15 +100,16 @@ pub fn serialize_undo_map_entry(
}
pub fn serialize_selections(selections: &Arc<[Selection<Anchor>]>) -> Vec<proto::Selection> {
- selections
- .iter()
- .map(|selection| proto::Selection {
- id: selection.id as u64,
- start: Some(serialize_anchor(&selection.start)),
- end: Some(serialize_anchor(&selection.end)),
- reversed: selection.reversed,
- })
- .collect()
+ selections.iter().map(serialize_selection).collect()
+}
+
+pub fn serialize_selection(selection: &Selection<Anchor>) -> proto::Selection {
+ proto::Selection {
+ id: selection.id as u64,
+ start: Some(serialize_anchor(&selection.start)),
+ end: Some(serialize_anchor(&selection.end)),
+ reversed: selection.reversed,
+ }
}
pub fn serialize_diagnostics<'a>(
@@ -274,19 +275,21 @@ pub fn deserialize_selections(selections: Vec<proto::Selection>) -> Arc<[Selecti
Arc::from(
selections
.into_iter()
- .filter_map(|selection| {
- Some(Selection {
- id: selection.id as usize,
- start: deserialize_anchor(selection.start?)?,
- end: deserialize_anchor(selection.end?)?,
- reversed: selection.reversed,
- goal: SelectionGoal::None,
- })
- })
+ .filter_map(deserialize_selection)
.collect::<Vec<_>>(),
)
}
+pub fn deserialize_selection(selection: proto::Selection) -> Option<Selection<Anchor>> {
+ Some(Selection {
+ id: selection.id as usize,
+ start: deserialize_anchor(selection.start?)?,
+ end: deserialize_anchor(selection.end?)?,
+ reversed: selection.reversed,
+ goal: SelectionGoal::None,
+ })
+}
+
pub fn deserialize_diagnostics(
diagnostics: Vec<proto::Diagnostic>,
) -> Arc<[DiagnosticEntry<Anchor>]> {
@@ -122,11 +122,19 @@ fn test_edit_events(cx: &mut gpui::MutableAppContext) {
let buffer_1_events = buffer_1_events.borrow();
assert_eq!(
*buffer_1_events,
- vec![Event::Edited, Event::Dirtied, Event::Edited, Event::Edited]
+ vec![
+ Event::Edited { local: true },
+ Event::Dirtied,
+ Event::Edited { local: true },
+ Event::Edited { local: true }
+ ]
);
let buffer_2_events = buffer_2_events.borrow();
- assert_eq!(*buffer_2_events, vec![Event::Edited, Event::Dirtied]);
+ assert_eq!(
+ *buffer_2_events,
+ vec![Event::Edited { local: false }, Event::Dirtied]
+ );
}
#[gpui::test]
@@ -224,7 +224,7 @@ impl OutlineView {
) {
match event {
editor::Event::Blurred => cx.emit(Event::Dismissed),
- editor::Event::Edited => self.update_matches(cx),
+ editor::Event::Edited { .. } => self.update_matches(cx),
_ => {}
}
}
@@ -124,6 +124,8 @@ pub enum Event {
DiskBasedDiagnosticsUpdated,
DiskBasedDiagnosticsFinished,
DiagnosticsUpdated(ProjectPath),
+ RemoteIdChanged(Option<u64>),
+ CollaboratorLeft(PeerId),
}
enum LanguageServerEvent {
@@ -253,34 +255,35 @@ impl ProjectEntryId {
impl Project {
pub fn init(client: &Arc<Client>) {
- client.add_entity_message_handler(Self::handle_add_collaborator);
- client.add_entity_message_handler(Self::handle_buffer_reloaded);
- client.add_entity_message_handler(Self::handle_buffer_saved);
- client.add_entity_message_handler(Self::handle_start_language_server);
- client.add_entity_message_handler(Self::handle_update_language_server);
- client.add_entity_message_handler(Self::handle_remove_collaborator);
- client.add_entity_message_handler(Self::handle_register_worktree);
- client.add_entity_message_handler(Self::handle_unregister_worktree);
- client.add_entity_message_handler(Self::handle_unshare_project);
- client.add_entity_message_handler(Self::handle_update_buffer_file);
- client.add_entity_message_handler(Self::handle_update_buffer);
- client.add_entity_message_handler(Self::handle_update_diagnostic_summary);
- client.add_entity_message_handler(Self::handle_update_worktree);
- client.add_entity_request_handler(Self::handle_apply_additional_edits_for_completion);
- client.add_entity_request_handler(Self::handle_apply_code_action);
- client.add_entity_request_handler(Self::handle_format_buffers);
- client.add_entity_request_handler(Self::handle_get_code_actions);
- client.add_entity_request_handler(Self::handle_get_completions);
- client.add_entity_request_handler(Self::handle_lsp_command::<GetDefinition>);
- client.add_entity_request_handler(Self::handle_lsp_command::<GetDocumentHighlights>);
- client.add_entity_request_handler(Self::handle_lsp_command::<GetReferences>);
- client.add_entity_request_handler(Self::handle_lsp_command::<PrepareRename>);
- client.add_entity_request_handler(Self::handle_lsp_command::<PerformRename>);
- client.add_entity_request_handler(Self::handle_search_project);
- client.add_entity_request_handler(Self::handle_get_project_symbols);
- client.add_entity_request_handler(Self::handle_open_buffer_for_symbol);
- client.add_entity_request_handler(Self::handle_open_buffer);
- client.add_entity_request_handler(Self::handle_save_buffer);
+ client.add_model_message_handler(Self::handle_add_collaborator);
+ client.add_model_message_handler(Self::handle_buffer_reloaded);
+ client.add_model_message_handler(Self::handle_buffer_saved);
+ client.add_model_message_handler(Self::handle_start_language_server);
+ client.add_model_message_handler(Self::handle_update_language_server);
+ client.add_model_message_handler(Self::handle_remove_collaborator);
+ client.add_model_message_handler(Self::handle_register_worktree);
+ client.add_model_message_handler(Self::handle_unregister_worktree);
+ client.add_model_message_handler(Self::handle_unshare_project);
+ client.add_model_message_handler(Self::handle_update_buffer_file);
+ client.add_model_message_handler(Self::handle_update_buffer);
+ client.add_model_message_handler(Self::handle_update_diagnostic_summary);
+ client.add_model_message_handler(Self::handle_update_worktree);
+ client.add_model_request_handler(Self::handle_apply_additional_edits_for_completion);
+ client.add_model_request_handler(Self::handle_apply_code_action);
+ client.add_model_request_handler(Self::handle_format_buffers);
+ client.add_model_request_handler(Self::handle_get_code_actions);
+ client.add_model_request_handler(Self::handle_get_completions);
+ client.add_model_request_handler(Self::handle_lsp_command::<GetDefinition>);
+ client.add_model_request_handler(Self::handle_lsp_command::<GetDocumentHighlights>);
+ client.add_model_request_handler(Self::handle_lsp_command::<GetReferences>);
+ client.add_model_request_handler(Self::handle_lsp_command::<PrepareRename>);
+ client.add_model_request_handler(Self::handle_lsp_command::<PerformRename>);
+ client.add_model_request_handler(Self::handle_search_project);
+ client.add_model_request_handler(Self::handle_get_project_symbols);
+ client.add_model_request_handler(Self::handle_open_buffer_for_symbol);
+ client.add_model_request_handler(Self::handle_open_buffer_by_id);
+ client.add_model_request_handler(Self::handle_open_buffer_by_path);
+ client.add_model_request_handler(Self::handle_save_buffer);
}
pub fn local(
@@ -487,7 +490,6 @@ impl Project {
cx.update(|cx| Project::local(client, user_store, languages, fs, cx))
}
- #[cfg(any(test, feature = "test-support"))]
pub fn buffer_for_id(&self, remote_id: u64, cx: &AppContext) -> Option<ModelHandle<Buffer>> {
self.opened_buffers
.get(&remote_id)
@@ -566,6 +568,7 @@ impl Project {
self.subscriptions
.push(self.client.add_model_for_remote_entity(remote_id, cx));
}
+ cx.emit(Event::RemoteIdChanged(remote_id))
}
pub fn remote_id(&self) -> Option<u64> {
@@ -930,7 +933,7 @@ impl Project {
let path_string = path.to_string_lossy().to_string();
cx.spawn(|this, mut cx| async move {
let response = rpc
- .request(proto::OpenBuffer {
+ .request(proto::OpenBufferByPath {
project_id,
worktree_id: remote_worktree_id.to_proto(),
path: path_string,
@@ -979,6 +982,32 @@ impl Project {
})
}
+ pub fn open_buffer_by_id(
+ &mut self,
+ id: u64,
+ cx: &mut ModelContext<Self>,
+ ) -> Task<Result<ModelHandle<Buffer>>> {
+ if let Some(buffer) = self.buffer_for_id(id, cx) {
+ Task::ready(Ok(buffer))
+ } else if self.is_local() {
+ Task::ready(Err(anyhow!("buffer {} does not exist", id)))
+ } else if let Some(project_id) = self.remote_id() {
+ let request = self
+ .client
+ .request(proto::OpenBufferById { project_id, id });
+ cx.spawn(|this, mut cx| async move {
+ let buffer = request
+ .await?
+ .buffer
+ .ok_or_else(|| anyhow!("invalid buffer"))?;
+ this.update(&mut cx, |this, cx| this.deserialize_buffer(buffer, cx))
+ .await
+ })
+ } else {
+ Task::ready(Err(anyhow!("cannot open buffer while disconnected")))
+ }
+ }
+
pub fn save_buffer_as(
&mut self,
buffer: ModelHandle<Buffer>,
@@ -1150,7 +1179,7 @@ impl Project {
});
cx.background().spawn(request).detach_and_log_err(cx);
}
- BufferEvent::Edited => {
+ BufferEvent::Edited { .. } => {
let language_server = self
.language_server_for_buffer(buffer.read(cx), cx)?
.clone();
@@ -3340,6 +3369,7 @@ impl Project {
buffer.update(cx, |buffer, cx| buffer.remove_peer(replica_id, cx));
}
}
+ cx.emit(Event::CollaboratorLeft(peer_id));
cx.notify();
Ok(())
})
@@ -3887,9 +3917,28 @@ impl Project {
hasher.finalize().as_slice().try_into().unwrap()
}
- async fn handle_open_buffer(
+ async fn handle_open_buffer_by_id(
+ this: ModelHandle<Self>,
+ envelope: TypedEnvelope<proto::OpenBufferById>,
+ _: Arc<Client>,
+ mut cx: AsyncAppContext,
+ ) -> Result<proto::OpenBufferResponse> {
+ let peer_id = envelope.original_sender_id()?;
+ let buffer = this
+ .update(&mut cx, |this, cx| {
+ this.open_buffer_by_id(envelope.payload.id, cx)
+ })
+ .await?;
+ this.update(&mut cx, |this, cx| {
+ Ok(proto::OpenBufferResponse {
+ buffer: Some(this.serialize_buffer_for_peer(&buffer, peer_id, cx)),
+ })
+ })
+ }
+
+ async fn handle_open_buffer_by_path(
this: ModelHandle<Self>,
- envelope: TypedEnvelope<proto::OpenBuffer>,
+ envelope: TypedEnvelope<proto::OpenBufferByPath>,
_: Arc<Client>,
mut cx: AsyncAppContext,
) -> Result<proto::OpenBufferResponse> {
@@ -6180,7 +6229,10 @@ mod tests {
assert!(buffer.is_dirty());
assert_eq!(
*events.borrow(),
- &[language::Event::Edited, language::Event::Dirtied]
+ &[
+ language::Event::Edited { local: true },
+ language::Event::Dirtied
+ ]
);
events.borrow_mut().clear();
buffer.did_save(buffer.version(), buffer.file().unwrap().mtime(), None, cx);
@@ -6203,9 +6255,9 @@ mod tests {
assert_eq!(
*events.borrow(),
&[
- language::Event::Edited,
+ language::Event::Edited { local: true },
language::Event::Dirtied,
- language::Event::Edited,
+ language::Event::Edited { local: true },
],
);
events.borrow_mut().clear();
@@ -6217,7 +6269,7 @@ mod tests {
assert!(buffer.is_dirty());
});
- assert_eq!(*events.borrow(), &[language::Event::Edited]);
+ assert_eq!(*events.borrow(), &[language::Event::Edited { local: true }]);
// When a file is deleted, the buffer is considered dirty.
let events = Rc::new(RefCell::new(Vec::new()));
@@ -328,7 +328,7 @@ impl ProjectSymbolsView {
) {
match event {
editor::Event::Blurred => cx.emit(Event::Dismissed),
- editor::Event::Edited => self.update_matches(cx),
+ editor::Event::Edited { .. } => self.update_matches(cx),
_ => {}
}
}
@@ -40,8 +40,9 @@ message Envelope {
StartLanguageServer start_language_server = 33;
UpdateLanguageServer update_language_server = 34;
- OpenBuffer open_buffer = 35;
- OpenBufferResponse open_buffer_response = 36;
+ OpenBufferById open_buffer_by_id = 35;
+ OpenBufferByPath open_buffer_by_path = 36;
+ OpenBufferResponse open_buffer_response = 37;
UpdateBuffer update_buffer = 38;
UpdateBufferFile update_buffer_file = 39;
SaveBuffer save_buffer = 40;
@@ -79,6 +80,11 @@ message Envelope {
GetUsers get_users = 70;
GetUsersResponse get_users_response = 71;
+
+ Follow follow = 72;
+ FollowResponse follow_response = 73;
+ UpdateFollowers update_followers = 74;
+ Unfollow unfollow = 75;
}
}
@@ -241,12 +247,17 @@ message OpenBufferForSymbolResponse {
Buffer buffer = 1;
}
-message OpenBuffer {
+message OpenBufferByPath {
uint64 project_id = 1;
uint64 worktree_id = 2;
string path = 3;
}
+message OpenBufferById {
+ uint64 project_id = 1;
+ uint64 id = 2;
+}
+
message OpenBufferResponse {
Buffer buffer = 1;
}
@@ -521,8 +532,77 @@ message UpdateContacts {
repeated Contact contacts = 1;
}
+message UpdateDiagnostics {
+ uint32 replica_id = 1;
+ uint32 lamport_timestamp = 2;
+ repeated Diagnostic diagnostics = 3;
+}
+
+message Follow {
+ uint64 project_id = 1;
+ uint32 leader_id = 2;
+}
+
+message FollowResponse {
+ optional uint64 active_view_id = 1;
+ repeated View views = 2;
+}
+
+message UpdateFollowers {
+ uint64 project_id = 1;
+ repeated uint32 follower_ids = 2;
+ oneof variant {
+ UpdateActiveView update_active_view = 3;
+ View create_view = 4;
+ UpdateView update_view = 5;
+ }
+}
+
+message Unfollow {
+ uint64 project_id = 1;
+ uint32 leader_id = 2;
+}
+
// Entities
+message UpdateActiveView {
+ optional uint64 id = 1;
+ optional uint32 leader_id = 2;
+}
+
+message UpdateView {
+ uint64 id = 1;
+ optional uint32 leader_id = 2;
+
+ oneof variant {
+ Editor editor = 3;
+ }
+
+ message Editor {
+ repeated Selection selections = 1;
+ Anchor scroll_top_anchor = 2;
+ float scroll_x = 3;
+ float scroll_y = 4;
+ }
+}
+
+message View {
+ uint64 id = 1;
+ optional uint32 leader_id = 2;
+
+ oneof variant {
+ Editor editor = 3;
+ }
+
+ message Editor {
+ uint64 buffer_id = 1;
+ repeated Selection selections = 2;
+ Anchor scroll_top_anchor = 3;
+ float scroll_x = 4;
+ float scroll_y = 5;
+ }
+}
+
message Collaborator {
uint32 peer_id = 1;
uint32 replica_id = 2;
@@ -578,17 +658,6 @@ message BufferState {
repeated string completion_triggers = 8;
}
-message BufferFragment {
- uint32 replica_id = 1;
- uint32 local_timestamp = 2;
- uint32 lamport_timestamp = 3;
- uint32 insertion_offset = 4;
- uint32 len = 5;
- bool visible = 6;
- repeated VectorClockEntry deletions = 7;
- repeated VectorClockEntry max_undos = 8;
-}
-
message SelectionSet {
uint32 replica_id = 1;
repeated Selection selections = 2;
@@ -614,12 +683,6 @@ enum Bias {
Right = 1;
}
-message UpdateDiagnostics {
- uint32 replica_id = 1;
- uint32 lamport_timestamp = 2;
- repeated Diagnostic diagnostics = 3;
-}
-
message Diagnostic {
Anchor start = 1;
Anchor end = 2;
@@ -147,6 +147,8 @@ messages!(
(BufferSaved, Foreground),
(ChannelMessageSent, Foreground),
(Error, Foreground),
+ (Follow, Foreground),
+ (FollowResponse, Foreground),
(FormatBuffers, Foreground),
(FormatBuffersResponse, Foreground),
(GetChannelMessages, Foreground),
@@ -175,7 +177,8 @@ messages!(
(UpdateLanguageServer, Foreground),
(LeaveChannel, Foreground),
(LeaveProject, Foreground),
- (OpenBuffer, Background),
+ (OpenBufferById, Background),
+ (OpenBufferByPath, Background),
(OpenBufferForSymbol, Background),
(OpenBufferForSymbolResponse, Background),
(OpenBufferResponse, Background),
@@ -195,13 +198,15 @@ messages!(
(SendChannelMessageResponse, Foreground),
(ShareProject, Foreground),
(Test, Foreground),
+ (Unfollow, Foreground),
(UnregisterProject, Foreground),
(UnregisterWorktree, Foreground),
(UnshareProject, Foreground),
- (UpdateBuffer, Background),
+ (UpdateBuffer, Foreground),
(UpdateBufferFile, Foreground),
(UpdateContacts, Foreground),
(UpdateDiagnosticSummary, Foreground),
+ (UpdateFollowers, Foreground),
(UpdateWorktree, Foreground),
);
@@ -211,6 +216,7 @@ request_messages!(
ApplyCompletionAdditionalEdits,
ApplyCompletionAdditionalEditsResponse
),
+ (Follow, FollowResponse),
(FormatBuffers, FormatBuffersResponse),
(GetChannelMessages, GetChannelMessagesResponse),
(GetChannels, GetChannelsResponse),
@@ -223,7 +229,8 @@ request_messages!(
(GetUsers, GetUsersResponse),
(JoinChannel, JoinChannelResponse),
(JoinProject, JoinProjectResponse),
- (OpenBuffer, OpenBufferResponse),
+ (OpenBufferById, OpenBufferResponse),
+ (OpenBufferByPath, OpenBufferResponse),
(OpenBufferForSymbol, OpenBufferForSymbolResponse),
(Ping, Ack),
(PerformRename, PerformRenameResponse),
@@ -246,6 +253,7 @@ entity_messages!(
ApplyCompletionAdditionalEdits,
BufferReloaded,
BufferSaved,
+ Follow,
FormatBuffers,
GetCodeActions,
GetCompletions,
@@ -255,7 +263,8 @@ entity_messages!(
GetProjectSymbols,
JoinProject,
LeaveProject,
- OpenBuffer,
+ OpenBufferById,
+ OpenBufferByPath,
OpenBufferForSymbol,
PerformRename,
PrepareRename,
@@ -263,11 +272,13 @@ entity_messages!(
SaveBuffer,
SearchProject,
StartLanguageServer,
+ Unfollow,
UnregisterWorktree,
UnshareProject,
UpdateBuffer,
UpdateBufferFile,
UpdateDiagnosticSummary,
+ UpdateFollowers,
UpdateLanguageServer,
RegisterWorktree,
UpdateWorktree,
@@ -5,4 +5,4 @@ pub mod proto;
pub use conn::Connection;
pub use peer::*;
-pub const PROTOCOL_VERSION: u32 = 11;
+pub const PROTOCOL_VERSION: u32 = 12;
@@ -360,7 +360,7 @@ impl SearchBar {
cx: &mut ViewContext<Self>,
) {
match event {
- editor::Event::Edited => {
+ editor::Event::Edited { .. } => {
self.query_contains_error = false;
self.clear_matches(cx);
self.update_matches(true, cx);
@@ -377,8 +377,8 @@ impl SearchBar {
cx: &mut ViewContext<Self>,
) {
match event {
- editor::Event::Edited => self.update_matches(false, cx),
- editor::Event::SelectionsChanged => self.update_match_index(cx),
+ editor::Event::Edited { .. } => self.update_matches(false, cx),
+ editor::Event::SelectionsChanged { .. } => self.update_match_index(cx),
_ => {}
}
}
@@ -250,6 +250,10 @@ impl Item for ProjectSearchView {
None
}
+ fn project_entry_id(&self, _: &AppContext) -> Option<project::ProjectEntryId> {
+ None
+ }
+
fn can_save(&self, _: &gpui::AppContext) -> bool {
true
}
@@ -346,7 +350,7 @@ impl ProjectSearchView {
cx.observe(&results_editor, |_, _, cx| cx.emit(ViewEvent::UpdateTab))
.detach();
cx.subscribe(&results_editor, |this, _, event, cx| {
- if matches!(event, editor::Event::SelectionsChanged) {
+ if matches!(event, editor::Event::SelectionsChanged { .. }) {
this.update_match_index(cx);
}
})
@@ -92,7 +92,8 @@ impl Server {
.add_request_handler(Server::forward_project_request::<proto::GetDocumentHighlights>)
.add_request_handler(Server::forward_project_request::<proto::GetProjectSymbols>)
.add_request_handler(Server::forward_project_request::<proto::OpenBufferForSymbol>)
- .add_request_handler(Server::forward_project_request::<proto::OpenBuffer>)
+ .add_request_handler(Server::forward_project_request::<proto::OpenBufferById>)
+ .add_request_handler(Server::forward_project_request::<proto::OpenBufferByPath>)
.add_request_handler(Server::forward_project_request::<proto::GetCompletions>)
.add_request_handler(
Server::forward_project_request::<proto::ApplyCompletionAdditionalEdits>,
@@ -112,6 +113,9 @@ impl Server {
.add_request_handler(Server::join_channel)
.add_message_handler(Server::leave_channel)
.add_request_handler(Server::send_channel_message)
+ .add_request_handler(Server::follow)
+ .add_message_handler(Server::unfollow)
+ .add_message_handler(Server::update_followers)
.add_request_handler(Server::get_channel_messages);
Arc::new(server)
@@ -669,6 +673,72 @@ impl Server {
Ok(())
}
+ async fn follow(
+ self: Arc<Self>,
+ request: TypedEnvelope<proto::Follow>,
+ ) -> tide::Result<proto::FollowResponse> {
+ let leader_id = ConnectionId(request.payload.leader_id);
+ let follower_id = request.sender_id;
+ if !self
+ .state()
+ .project_connection_ids(request.payload.project_id, follower_id)?
+ .contains(&leader_id)
+ {
+ Err(anyhow!("no such peer"))?;
+ }
+ let mut response = self
+ .peer
+ .forward_request(request.sender_id, leader_id, request.payload)
+ .await?;
+ response
+ .views
+ .retain(|view| view.leader_id != Some(follower_id.0));
+ Ok(response)
+ }
+
+ async fn unfollow(
+ self: Arc<Self>,
+ request: TypedEnvelope<proto::Unfollow>,
+ ) -> tide::Result<()> {
+ let leader_id = ConnectionId(request.payload.leader_id);
+ if !self
+ .state()
+ .project_connection_ids(request.payload.project_id, request.sender_id)?
+ .contains(&leader_id)
+ {
+ Err(anyhow!("no such peer"))?;
+ }
+ self.peer
+ .forward_send(request.sender_id, leader_id, request.payload)?;
+ Ok(())
+ }
+
+ async fn update_followers(
+ self: Arc<Self>,
+ request: TypedEnvelope<proto::UpdateFollowers>,
+ ) -> tide::Result<()> {
+ let connection_ids = self
+ .state()
+ .project_connection_ids(request.payload.project_id, request.sender_id)?;
+ let leader_id = request
+ .payload
+ .variant
+ .as_ref()
+ .and_then(|variant| match variant {
+ proto::update_followers::Variant::CreateView(payload) => payload.leader_id,
+ proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
+ proto::update_followers::Variant::UpdateActiveView(payload) => payload.leader_id,
+ });
+ for follower_id in &request.payload.follower_ids {
+ let follower_id = ConnectionId(*follower_id);
+ if connection_ids.contains(&follower_id) && Some(follower_id.0) != leader_id {
+ self.peer
+ .forward_send(request.sender_id, follower_id, request.payload.clone())?;
+ }
+ }
+ Ok(())
+ }
+
async fn get_channels(
self: Arc<Server>,
request: TypedEnvelope<proto::GetChannels>,
@@ -1016,7 +1086,7 @@ mod tests {
self, ConfirmCodeAction, ConfirmCompletion, ConfirmRename, Editor, Input, Redo, Rename,
ToOffset, ToggleCodeActions, Undo,
};
- use gpui::{executor, ModelHandle, TestAppContext};
+ use gpui::{executor, geometry::vector::vec2f, ModelHandle, TestAppContext, ViewHandle};
use language::{
tree_sitter_rust, Diagnostic, DiagnosticEntry, Language, LanguageConfig, LanguageRegistry,
LanguageServerConfig, OffsetRangeExt, Point, ToLspPosition,
@@ -1028,7 +1098,7 @@ mod tests {
fs::{FakeFs, Fs as _},
search::SearchQuery,
worktree::WorktreeHandle,
- DiagnosticSummary, Project, ProjectPath,
+ DiagnosticSummary, Project, ProjectPath, WorktreeId,
};
use rand::prelude::*;
use rpc::PeerId;
@@ -1046,7 +1116,7 @@ mod tests {
},
time::Duration,
};
- use workspace::{Settings, Workspace, WorkspaceParams};
+ use workspace::{Item, Settings, SplitDirection, Workspace, WorkspaceParams};
#[cfg(test)]
#[ctor::ctor]
@@ -3225,7 +3295,7 @@ mod tests {
let (_window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(¶ms, cx));
let editor_b = workspace_b
.update(cx_b, |workspace, cx| {
- workspace.open_path((worktree_id, "main.rs").into(), cx)
+ workspace.open_path((worktree_id, "main.rs"), cx)
})
.await
.unwrap()
@@ -3459,7 +3529,7 @@ mod tests {
let (_window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(¶ms, cx));
let editor_b = workspace_b
.update(cx_b, |workspace, cx| {
- workspace.open_path((worktree_id, "one.rs").into(), cx)
+ workspace.open_path((worktree_id, "one.rs"), cx)
})
.await
.unwrap()
@@ -4148,6 +4218,494 @@ mod tests {
}
}
+ #[gpui::test(iterations = 10)]
+ async fn test_following(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
+ cx_a.foreground().forbid_parking();
+ let fs = FakeFs::new(cx_a.background());
+
+ // 2 clients connect to a server.
+ let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
+ let mut client_a = server.create_client(cx_a, "user_a").await;
+ let mut client_b = server.create_client(cx_b, "user_b").await;
+ cx_a.update(editor::init);
+ cx_b.update(editor::init);
+
+ // Client A shares a project.
+ fs.insert_tree(
+ "/a",
+ json!({
+ ".zed.toml": r#"collaborators = ["user_b"]"#,
+ "1.txt": "one",
+ "2.txt": "two",
+ "3.txt": "three",
+ }),
+ )
+ .await;
+ let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
+ project_a
+ .update(cx_a, |project, cx| project.share(cx))
+ .await
+ .unwrap();
+
+ // Client B joins the project.
+ let project_b = client_b
+ .build_remote_project(
+ project_a
+ .read_with(cx_a, |project, _| project.remote_id())
+ .unwrap(),
+ cx_b,
+ )
+ .await;
+
+ // Client A opens some editors.
+ let workspace_a = client_a.build_workspace(&project_a, cx_a);
+ let pane_a = workspace_a.read_with(cx_a, |workspace, _| workspace.active_pane().clone());
+ let editor_a1 = workspace_a
+ .update(cx_a, |workspace, cx| {
+ workspace.open_path((worktree_id, "1.txt"), cx)
+ })
+ .await
+ .unwrap()
+ .downcast::<Editor>()
+ .unwrap();
+ let editor_a2 = workspace_a
+ .update(cx_a, |workspace, cx| {
+ workspace.open_path((worktree_id, "2.txt"), cx)
+ })
+ .await
+ .unwrap()
+ .downcast::<Editor>()
+ .unwrap();
+
+ // Client B opens an editor.
+ let workspace_b = client_b.build_workspace(&project_b, cx_b);
+ let editor_b1 = workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.open_path((worktree_id, "1.txt"), cx)
+ })
+ .await
+ .unwrap()
+ .downcast::<Editor>()
+ .unwrap();
+
+ let client_a_id = project_b.read_with(cx_b, |project, _| {
+ project.collaborators().values().next().unwrap().peer_id
+ });
+ let client_b_id = project_a.read_with(cx_a, |project, _| {
+ project.collaborators().values().next().unwrap().peer_id
+ });
+
+ // When client B starts following client A, all visible view states are replicated to client B.
+ editor_a1.update(cx_a, |editor, cx| editor.select_ranges([0..1], None, cx));
+ editor_a2.update(cx_a, |editor, cx| editor.select_ranges([2..3], None, cx));
+ workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.toggle_follow(&client_a_id.into(), cx).unwrap()
+ })
+ .await
+ .unwrap();
+ let editor_b2 = workspace_b.read_with(cx_b, |workspace, cx| {
+ workspace
+ .active_item(cx)
+ .unwrap()
+ .downcast::<Editor>()
+ .unwrap()
+ });
+ assert!(cx_b.read(|cx| editor_b2.is_focused(cx)));
+ assert_eq!(
+ editor_b2.read_with(cx_b, |editor, cx| editor.project_path(cx)),
+ Some((worktree_id, "2.txt").into())
+ );
+ assert_eq!(
+ editor_b2.read_with(cx_b, |editor, cx| editor.selected_ranges(cx)),
+ vec![2..3]
+ );
+ assert_eq!(
+ editor_b1.read_with(cx_b, |editor, cx| editor.selected_ranges(cx)),
+ vec![0..1]
+ );
+
+ // When client A activates a different editor, client B does so as well.
+ workspace_a.update(cx_a, |workspace, cx| {
+ workspace.activate_item(&editor_a1, cx)
+ });
+ workspace_b
+ .condition(cx_b, |workspace, cx| {
+ workspace.active_item(cx).unwrap().id() == editor_b1.id()
+ })
+ .await;
+
+ // Changes to client A's editor are reflected on client B.
+ editor_a1.update(cx_a, |editor, cx| {
+ editor.select_ranges([1..1, 2..2], None, cx);
+ });
+ editor_b1
+ .condition(cx_b, |editor, cx| {
+ editor.selected_ranges(cx) == vec![1..1, 2..2]
+ })
+ .await;
+
+ editor_a1.update(cx_a, |editor, cx| editor.set_text("TWO", cx));
+ editor_b1
+ .condition(cx_b, |editor, cx| editor.text(cx) == "TWO")
+ .await;
+
+ editor_a1.update(cx_a, |editor, cx| {
+ editor.select_ranges([3..3], None, cx);
+ editor.set_scroll_position(vec2f(0., 100.), cx);
+ });
+ editor_b1
+ .condition(cx_b, |editor, cx| editor.selected_ranges(cx) == vec![3..3])
+ .await;
+
+ // After unfollowing, client B stops receiving updates from client A.
+ workspace_b.update(cx_b, |workspace, cx| {
+ workspace.unfollow(&workspace.active_pane().clone(), cx)
+ });
+ workspace_a.update(cx_a, |workspace, cx| {
+ workspace.activate_item(&editor_a2, cx)
+ });
+ cx_a.foreground().run_until_parked();
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, cx| workspace
+ .active_item(cx)
+ .unwrap()
+ .id()),
+ editor_b1.id()
+ );
+
+ // Client A starts following client B.
+ workspace_a
+ .update(cx_a, |workspace, cx| {
+ workspace.toggle_follow(&client_b_id.into(), cx).unwrap()
+ })
+ .await
+ .unwrap();
+ assert_eq!(
+ workspace_a.read_with(cx_a, |workspace, _| workspace.leader_for_pane(&pane_a)),
+ Some(client_b_id)
+ );
+ assert_eq!(
+ workspace_a.read_with(cx_a, |workspace, cx| workspace
+ .active_item(cx)
+ .unwrap()
+ .id()),
+ editor_a1.id()
+ );
+
+ // Following interrupts when client B disconnects.
+ client_b.disconnect(&cx_b.to_async()).unwrap();
+ cx_a.foreground().run_until_parked();
+ assert_eq!(
+ workspace_a.read_with(cx_a, |workspace, _| workspace.leader_for_pane(&pane_a)),
+ None
+ );
+ }
+
+ #[gpui::test(iterations = 10)]
+ async fn test_peers_following_each_other(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
+ cx_a.foreground().forbid_parking();
+ let fs = FakeFs::new(cx_a.background());
+
+ // 2 clients connect to a server.
+ let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
+ let mut client_a = server.create_client(cx_a, "user_a").await;
+ let mut client_b = server.create_client(cx_b, "user_b").await;
+ cx_a.update(editor::init);
+ cx_b.update(editor::init);
+
+ // Client A shares a project.
+ fs.insert_tree(
+ "/a",
+ json!({
+ ".zed.toml": r#"collaborators = ["user_b"]"#,
+ "1.txt": "one",
+ "2.txt": "two",
+ "3.txt": "three",
+ "4.txt": "four",
+ }),
+ )
+ .await;
+ let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
+ project_a
+ .update(cx_a, |project, cx| project.share(cx))
+ .await
+ .unwrap();
+
+ // Client B joins the project.
+ let project_b = client_b
+ .build_remote_project(
+ project_a
+ .read_with(cx_a, |project, _| project.remote_id())
+ .unwrap(),
+ cx_b,
+ )
+ .await;
+
+ // Client A opens some editors.
+ let workspace_a = client_a.build_workspace(&project_a, cx_a);
+ let pane_a1 = workspace_a.read_with(cx_a, |workspace, _| workspace.active_pane().clone());
+ let _editor_a1 = workspace_a
+ .update(cx_a, |workspace, cx| {
+ workspace.open_path((worktree_id, "1.txt"), cx)
+ })
+ .await
+ .unwrap()
+ .downcast::<Editor>()
+ .unwrap();
+
+ // Client B opens an editor.
+ let workspace_b = client_b.build_workspace(&project_b, cx_b);
+ let pane_b1 = workspace_b.read_with(cx_b, |workspace, _| workspace.active_pane().clone());
+ let _editor_b1 = workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.open_path((worktree_id, "2.txt"), cx)
+ })
+ .await
+ .unwrap()
+ .downcast::<Editor>()
+ .unwrap();
+
+ // Clients A and B follow each other in split panes
+ workspace_a
+ .update(cx_a, |workspace, cx| {
+ workspace.split_pane(workspace.active_pane().clone(), SplitDirection::Right, cx);
+ assert_ne!(*workspace.active_pane(), pane_a1);
+ let leader_id = *project_a.read(cx).collaborators().keys().next().unwrap();
+ workspace
+ .toggle_follow(&workspace::ToggleFollow(leader_id), cx)
+ .unwrap()
+ })
+ .await
+ .unwrap();
+ workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.split_pane(workspace.active_pane().clone(), SplitDirection::Right, cx);
+ assert_ne!(*workspace.active_pane(), pane_b1);
+ let leader_id = *project_b.read(cx).collaborators().keys().next().unwrap();
+ workspace
+ .toggle_follow(&workspace::ToggleFollow(leader_id), cx)
+ .unwrap()
+ })
+ .await
+ .unwrap();
+
+ workspace_a
+ .update(cx_a, |workspace, cx| {
+ workspace.activate_next_pane(cx);
+ assert_eq!(*workspace.active_pane(), pane_a1);
+ workspace.open_path((worktree_id, "3.txt"), cx)
+ })
+ .await
+ .unwrap();
+ workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.activate_next_pane(cx);
+ assert_eq!(*workspace.active_pane(), pane_b1);
+ workspace.open_path((worktree_id, "4.txt"), cx)
+ })
+ .await
+ .unwrap();
+ cx_a.foreground().run_until_parked();
+
+ // Ensure leader updates don't change the active pane of followers
+ workspace_a.read_with(cx_a, |workspace, _| {
+ assert_eq!(*workspace.active_pane(), pane_a1);
+ });
+ workspace_b.read_with(cx_b, |workspace, _| {
+ assert_eq!(*workspace.active_pane(), pane_b1);
+ });
+
+ // Ensure peers following each other doesn't cause an infinite loop.
+ assert_eq!(
+ workspace_a.read_with(cx_a, |workspace, cx| workspace
+ .active_item(cx)
+ .unwrap()
+ .project_path(cx)),
+ Some((worktree_id, "3.txt").into())
+ );
+ workspace_a.update(cx_a, |workspace, cx| {
+ assert_eq!(
+ workspace.active_item(cx).unwrap().project_path(cx),
+ Some((worktree_id, "3.txt").into())
+ );
+ workspace.activate_next_pane(cx);
+ assert_eq!(
+ workspace.active_item(cx).unwrap().project_path(cx),
+ Some((worktree_id, "4.txt").into())
+ );
+ });
+ workspace_b.update(cx_b, |workspace, cx| {
+ assert_eq!(
+ workspace.active_item(cx).unwrap().project_path(cx),
+ Some((worktree_id, "4.txt").into())
+ );
+ workspace.activate_next_pane(cx);
+ assert_eq!(
+ workspace.active_item(cx).unwrap().project_path(cx),
+ Some((worktree_id, "3.txt").into())
+ );
+ });
+ }
+
+ #[gpui::test(iterations = 10)]
+ async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
+ cx_a.foreground().forbid_parking();
+ let fs = FakeFs::new(cx_a.background());
+
+ // 2 clients connect to a server.
+ let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
+ let mut client_a = server.create_client(cx_a, "user_a").await;
+ let mut client_b = server.create_client(cx_b, "user_b").await;
+ cx_a.update(editor::init);
+ cx_b.update(editor::init);
+
+ // Client A shares a project.
+ fs.insert_tree(
+ "/a",
+ json!({
+ ".zed.toml": r#"collaborators = ["user_b"]"#,
+ "1.txt": "one",
+ "2.txt": "two",
+ "3.txt": "three",
+ }),
+ )
+ .await;
+ let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
+ project_a
+ .update(cx_a, |project, cx| project.share(cx))
+ .await
+ .unwrap();
+
+ // Client B joins the project.
+ let project_b = client_b
+ .build_remote_project(
+ project_a
+ .read_with(cx_a, |project, _| project.remote_id())
+ .unwrap(),
+ cx_b,
+ )
+ .await;
+
+ // Client A opens some editors.
+ let workspace_a = client_a.build_workspace(&project_a, cx_a);
+ let _editor_a1 = workspace_a
+ .update(cx_a, |workspace, cx| {
+ workspace.open_path((worktree_id, "1.txt"), cx)
+ })
+ .await
+ .unwrap()
+ .downcast::<Editor>()
+ .unwrap();
+
+ // Client B starts following client A.
+ let workspace_b = client_b.build_workspace(&project_b, cx_b);
+ let pane_b = workspace_b.read_with(cx_b, |workspace, _| workspace.active_pane().clone());
+ let leader_id = project_b.read_with(cx_b, |project, _| {
+ project.collaborators().values().next().unwrap().peer_id
+ });
+ workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.toggle_follow(&leader_id.into(), cx).unwrap()
+ })
+ .await
+ .unwrap();
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ Some(leader_id)
+ );
+ let editor_b2 = workspace_b.read_with(cx_b, |workspace, cx| {
+ workspace
+ .active_item(cx)
+ .unwrap()
+ .downcast::<Editor>()
+ .unwrap()
+ });
+
+ // When client B moves, it automatically stops following client A.
+ editor_b2.update(cx_b, |editor, cx| editor.move_right(&editor::MoveRight, cx));
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ None
+ );
+
+ workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.toggle_follow(&leader_id.into(), cx).unwrap()
+ })
+ .await
+ .unwrap();
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ Some(leader_id)
+ );
+
+ // When client B edits, it automatically stops following client A.
+ editor_b2.update(cx_b, |editor, cx| editor.insert("X", cx));
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ None
+ );
+
+ workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.toggle_follow(&leader_id.into(), cx).unwrap()
+ })
+ .await
+ .unwrap();
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ Some(leader_id)
+ );
+
+ // When client B scrolls, it automatically stops following client A.
+ editor_b2.update(cx_b, |editor, cx| {
+ editor.set_scroll_position(vec2f(0., 3.), cx)
+ });
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ None
+ );
+
+ workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.toggle_follow(&leader_id.into(), cx).unwrap()
+ })
+ .await
+ .unwrap();
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ Some(leader_id)
+ );
+
+ // When client B activates a different pane, it continues following client A in the original pane.
+ workspace_b.update(cx_b, |workspace, cx| {
+ workspace.split_pane(pane_b.clone(), SplitDirection::Right, cx)
+ });
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ Some(leader_id)
+ );
+
+ workspace_b.update(cx_b, |workspace, cx| workspace.activate_next_pane(cx));
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ Some(leader_id)
+ );
+
+ // When client B activates a different item in the original pane, it automatically stops following client A.
+ workspace_b
+ .update(cx_b, |workspace, cx| {
+ workspace.open_path((worktree_id, "2.txt"), cx)
+ })
+ .await
+ .unwrap();
+ assert_eq!(
+ workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
+ None
+ );
+ }
+
#[gpui::test(iterations = 100)]
async fn test_random_collaboration(cx: &mut TestAppContext, rng: StdRng) {
cx.foreground().forbid_parking();
@@ -4469,6 +5027,9 @@ mod tests {
Channel::init(&client);
Project::init(&client);
+ cx.update(|cx| {
+ workspace::init(&client, cx);
+ });
let peer_id = PeerId(connection_id_rx.next().await.unwrap().0);
let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
@@ -4477,6 +5038,7 @@ mod tests {
client,
peer_id,
user_store,
+ language_registry: Arc::new(LanguageRegistry::test()),
project: Default::default(),
buffers: Default::default(),
};
@@ -4541,6 +5103,7 @@ mod tests {
client: Arc<Client>,
pub peer_id: PeerId,
pub user_store: ModelHandle<UserStore>,
+ language_registry: Arc<LanguageRegistry>,
project: Option<ModelHandle<Project>>,
buffers: HashSet<ModelHandle<language::Buffer>>,
}
@@ -4568,6 +5131,80 @@ mod tests {
while authed_user.next().await.unwrap().is_none() {}
}
+ async fn build_local_project(
+ &mut self,
+ fs: Arc<FakeFs>,
+ root_path: impl AsRef<Path>,
+ cx: &mut TestAppContext,
+ ) -> (ModelHandle<Project>, WorktreeId) {
+ let project = cx.update(|cx| {
+ Project::local(
+ self.client.clone(),
+ self.user_store.clone(),
+ self.language_registry.clone(),
+ fs,
+ cx,
+ )
+ });
+ self.project = Some(project.clone());
+ let (worktree, _) = project
+ .update(cx, |p, cx| {
+ p.find_or_create_local_worktree(root_path, true, cx)
+ })
+ .await
+ .unwrap();
+ worktree
+ .read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
+ .await;
+ project
+ .update(cx, |project, _| project.next_remote_id())
+ .await;
+ (project, worktree.read_with(cx, |tree, _| tree.id()))
+ }
+
+ async fn build_remote_project(
+ &mut self,
+ project_id: u64,
+ cx: &mut TestAppContext,
+ ) -> ModelHandle<Project> {
+ let project = Project::remote(
+ project_id,
+ self.client.clone(),
+ self.user_store.clone(),
+ self.language_registry.clone(),
+ FakeFs::new(cx.background()),
+ &mut cx.to_async(),
+ )
+ .await
+ .unwrap();
+ self.project = Some(project.clone());
+ project
+ }
+
+ fn build_workspace(
+ &self,
+ project: &ModelHandle<Project>,
+ cx: &mut TestAppContext,
+ ) -> ViewHandle<Workspace> {
+ let (window_id, _) = cx.add_window(|_| EmptyView);
+ cx.add_view(window_id, |cx| {
+ let fs = project.read(cx).fs().clone();
+ Workspace::new(
+ &WorkspaceParams {
+ fs,
+ project: project.clone(),
+ user_store: self.user_store.clone(),
+ languages: self.language_registry.clone(),
+ channel_list: cx.add_model(|cx| {
+ ChannelList::new(self.user_store.clone(), self.client.clone(), cx)
+ }),
+ client: self.client.clone(),
+ },
+ cx,
+ )
+ })
+ }
+
fn simulate_host(
mut self,
project: ModelHandle<Project>,
@@ -18,6 +18,12 @@ pub struct Selection<T> {
pub goal: SelectionGoal,
}
+impl Default for SelectionGoal {
+ fn default() -> Self {
+ Self::None
+ }
+}
+
impl<T: Clone> Selection<T> {
pub fn head(&self) -> T {
if self.reversed {
@@ -35,6 +35,8 @@ pub struct Workspace {
pub tab: Tab,
pub active_tab: Tab,
pub pane_divider: Border,
+ pub leader_border_opacity: f32,
+ pub leader_border_width: f32,
pub left_sidebar: Sidebar,
pub right_sidebar: Sidebar,
pub status_bar: StatusBar,
@@ -204,7 +204,7 @@ impl ThemeSelector {
cx: &mut ViewContext<Self>,
) {
match event {
- editor::Event::Edited => {
+ editor::Event::Edited { .. } => {
self.update_matches(cx);
self.select_if_matching(&cx.global::<Settings>().theme.name);
self.show_selected_theme(cx);
@@ -7,8 +7,8 @@ use gpui::{
geometry::{rect::RectF, vector::vec2f},
keymap::Binding,
platform::{CursorStyle, NavigationDirection},
- AnyViewHandle, Entity, MutableAppContext, Quad, RenderContext, Task, View, ViewContext,
- ViewHandle, WeakViewHandle,
+ AnyViewHandle, AppContext, Entity, MutableAppContext, Quad, RenderContext, Task, View,
+ ViewContext, ViewHandle, WeakViewHandle,
};
use project::{ProjectEntryId, ProjectPath};
use std::{
@@ -33,7 +33,7 @@ const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
pub fn init(cx: &mut MutableAppContext) {
cx.add_action(|pane: &mut Pane, action: &ActivateItem, cx| {
- pane.activate_item(action.0, cx);
+ pane.activate_item(action.0, true, cx);
});
cx.add_action(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
pane.activate_prev_item(cx);
@@ -92,12 +92,13 @@ pub fn init(cx: &mut MutableAppContext) {
pub enum Event {
Activate,
+ ActivateItem { local: bool },
Remove,
Split(SplitDirection),
}
pub struct Pane {
- items: Vec<(Option<ProjectEntryId>, Box<dyn ItemHandle>)>,
+ items: Vec<Box<dyn ItemHandle>>,
active_item_index: usize,
nav_history: Rc<RefCell<NavHistory>>,
toolbars: HashMap<TypeId, Box<dyn ToolbarHandle>>,
@@ -256,9 +257,19 @@ impl Pane {
let task = task.await;
if let Some(pane) = pane.upgrade(&cx) {
if let Some((project_entry_id, build_item)) = task.log_err() {
- pane.update(&mut cx, |pane, cx| {
+ pane.update(&mut cx, |pane, _| {
pane.nav_history.borrow_mut().set_mode(mode);
- let item = pane.open_item(project_entry_id, cx, build_item);
+ });
+ let item = workspace.update(&mut cx, |workspace, cx| {
+ Self::open_item(
+ workspace,
+ pane.clone(),
+ project_entry_id,
+ cx,
+ build_item,
+ )
+ });
+ pane.update(&mut cx, |pane, cx| {
pane.nav_history
.borrow_mut()
.set_mode(NavigationMode::Normal);
@@ -280,63 +291,91 @@ impl Pane {
}
}
- pub fn open_item(
- &mut self,
+ pub(crate) fn open_item(
+ workspace: &mut Workspace,
+ pane: ViewHandle<Pane>,
project_entry_id: ProjectEntryId,
- cx: &mut ViewContext<Self>,
+ cx: &mut ViewContext<Workspace>,
build_item: impl FnOnce(&mut MutableAppContext) -> Box<dyn ItemHandle>,
) -> Box<dyn ItemHandle> {
- for (ix, (existing_entry_id, item)) in self.items.iter().enumerate() {
- if *existing_entry_id == Some(project_entry_id) {
- let item = item.boxed_clone();
- self.activate_item(ix, cx);
- return item;
+ let existing_item = pane.update(cx, |pane, cx| {
+ for (ix, item) in pane.items.iter().enumerate() {
+ if item.project_entry_id(cx) == Some(project_entry_id) {
+ let item = item.boxed_clone();
+ pane.activate_item(ix, true, cx);
+ return Some(item);
+ }
}
+ None
+ });
+ if let Some(existing_item) = existing_item {
+ existing_item
+ } else {
+ let item = build_item(cx);
+ Self::add_item(workspace, pane, item.boxed_clone(), true, cx);
+ item
}
-
- let item = build_item(cx);
- self.add_item(Some(project_entry_id), item.boxed_clone(), cx);
- item
}
pub(crate) fn add_item(
- &mut self,
- project_entry_id: Option<ProjectEntryId>,
- mut item: Box<dyn ItemHandle>,
- cx: &mut ViewContext<Self>,
+ workspace: &mut Workspace,
+ pane: ViewHandle<Pane>,
+ item: Box<dyn ItemHandle>,
+ local: bool,
+ cx: &mut ViewContext<Workspace>,
) {
- item.set_nav_history(self.nav_history.clone(), cx);
- item.added_to_pane(cx);
- let item_idx = cmp::min(self.active_item_index + 1, self.items.len());
- self.items.insert(item_idx, (project_entry_id, item));
- self.activate_item(item_idx, cx);
- cx.notify();
+ // Prevent adding the same item to the pane more than once.
+ if let Some(item_ix) = pane.read(cx).items.iter().position(|i| i.id() == item.id()) {
+ pane.update(cx, |pane, cx| pane.activate_item(item_ix, local, cx));
+ return;
+ }
+
+ item.set_nav_history(pane.read(cx).nav_history.clone(), cx);
+ item.added_to_pane(workspace, pane.clone(), cx);
+ pane.update(cx, |pane, cx| {
+ let item_idx = cmp::min(pane.active_item_index + 1, pane.items.len());
+ pane.items.insert(item_idx, item);
+ pane.activate_item(item_idx, local, cx);
+ cx.notify();
+ });
}
pub fn items(&self) -> impl Iterator<Item = &Box<dyn ItemHandle>> {
- self.items.iter().map(|(_, view)| view)
+ self.items.iter()
}
- pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
+ pub fn items_of_type<'a, T: View>(&'a self) -> impl 'a + Iterator<Item = ViewHandle<T>> {
self.items
- .get(self.active_item_index)
- .map(|(_, view)| view.clone())
+ .iter()
+ .filter_map(|item| item.to_any().downcast())
}
- pub fn project_entry_id_for_item(&self, item: &dyn ItemHandle) -> Option<ProjectEntryId> {
- self.items.iter().find_map(|(entry_id, existing)| {
+ pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
+ self.items.get(self.active_item_index).cloned()
+ }
+
+ pub fn project_entry_id_for_item(
+ &self,
+ item: &dyn ItemHandle,
+ cx: &AppContext,
+ ) -> Option<ProjectEntryId> {
+ self.items.iter().find_map(|existing| {
if existing.id() == item.id() {
- *entry_id
+ existing.project_entry_id(cx)
} else {
None
}
})
}
- pub fn item_for_entry(&self, entry_id: ProjectEntryId) -> Option<Box<dyn ItemHandle>> {
- self.items.iter().find_map(|(id, view)| {
- if *id == Some(entry_id) {
- Some(view.boxed_clone())
+ pub fn item_for_entry(
+ &self,
+ entry_id: ProjectEntryId,
+ cx: &AppContext,
+ ) -> Option<Box<dyn ItemHandle>> {
+ self.items.iter().find_map(|item| {
+ if item.project_entry_id(cx) == Some(entry_id) {
+ Some(item.boxed_clone())
} else {
None
}
@@ -344,20 +383,23 @@ impl Pane {
}
pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
- self.items.iter().position(|(_, i)| i.id() == item.id())
+ self.items.iter().position(|i| i.id() == item.id())
}
- pub fn activate_item(&mut self, index: usize, cx: &mut ViewContext<Self>) {
+ pub fn activate_item(&mut self, index: usize, local: bool, cx: &mut ViewContext<Self>) {
if index < self.items.len() {
let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
if prev_active_item_ix != self.active_item_index
&& prev_active_item_ix < self.items.len()
{
- self.items[prev_active_item_ix].1.deactivated(cx);
+ self.items[prev_active_item_ix].deactivated(cx);
+ cx.emit(Event::ActivateItem { local });
}
self.update_active_toolbar(cx);
- self.focus_active_item(cx);
- self.activate(cx);
+ if local {
+ self.focus_active_item(cx);
+ self.activate(cx);
+ }
cx.notify();
}
}
@@ -369,7 +411,7 @@ impl Pane {
} else if self.items.len() > 0 {
index = self.items.len() - 1;
}
- self.activate_item(index, cx);
+ self.activate_item(index, true, cx);
}
pub fn activate_next_item(&mut self, cx: &mut ViewContext<Self>) {
@@ -379,18 +421,18 @@ impl Pane {
} else {
index = 0;
}
- self.activate_item(index, cx);
+ self.activate_item(index, true, cx);
}
pub fn close_active_item(&mut self, cx: &mut ViewContext<Self>) {
if !self.items.is_empty() {
- self.close_item(self.items[self.active_item_index].1.id(), cx)
+ self.close_item(self.items[self.active_item_index].id(), cx)
}
}
pub fn close_inactive_items(&mut self, cx: &mut ViewContext<Self>) {
if !self.items.is_empty() {
- let active_item_id = self.items[self.active_item_index].1.id();
+ let active_item_id = self.items[self.active_item_index].id();
self.close_items(cx, |id| id != active_item_id);
}
}
@@ -406,7 +448,7 @@ impl Pane {
) {
let mut item_ix = 0;
let mut new_active_item_index = self.active_item_index;
- self.items.retain(|(_, item)| {
+ self.items.retain(|item| {
if should_close(item.id()) {
if item_ix == self.active_item_index {
item.deactivated(cx);
@@ -443,7 +485,7 @@ impl Pane {
cx.notify();
}
- fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
+ pub fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
if let Some(active_item) = self.active_item() {
cx.focus(active_item);
}
@@ -505,7 +547,7 @@ impl Pane {
fn update_active_toolbar(&mut self, cx: &mut ViewContext<Self>) {
let active_item = self.items.get(self.active_item_index);
for (toolbar_type_id, toolbar) in &self.toolbars {
- let visible = toolbar.active_item_changed(active_item.map(|i| i.1.clone()), cx);
+ let visible = toolbar.active_item_changed(active_item.cloned(), cx);
if Some(*toolbar_type_id) == self.active_toolbar_type {
self.active_toolbar_visible = visible;
}
@@ -518,7 +560,7 @@ impl Pane {
enum Tabs {}
let tabs = MouseEventHandler::new::<Tabs, _, _>(0, cx, |mouse_state, cx| {
let mut row = Flex::row();
- for (ix, (_, item)) in self.items.iter().enumerate() {
+ for (ix, item) in self.items.iter().enumerate() {
let is_active = ix == self.active_item_index;
row.add_child({
@@ -1,9 +1,11 @@
+use crate::{FollowerStatesByLeader, Pane};
use anyhow::{anyhow, Result};
-use gpui::{elements::*, Axis, ViewHandle};
+use client::PeerId;
+use collections::HashMap;
+use gpui::{elements::*, Axis, Border, ViewHandle};
+use project::Collaborator;
use theme::Theme;
-use crate::Pane;
-
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct PaneGroup {
root: Member,
@@ -47,8 +49,19 @@ impl PaneGroup {
}
}
- pub fn render<'a>(&self, theme: &Theme) -> ElementBox {
- self.root.render(theme)
+ pub(crate) fn render<'a>(
+ &self,
+ theme: &Theme,
+ follower_states: &FollowerStatesByLeader,
+ collaborators: &HashMap<PeerId, Collaborator>,
+ ) -> ElementBox {
+ self.root.render(theme, follower_states, collaborators)
+ }
+
+ pub(crate) fn panes(&self) -> Vec<&ViewHandle<Pane>> {
+ let mut panes = Vec::new();
+ self.root.collect_panes(&mut panes);
+ panes
}
}
@@ -80,10 +93,50 @@ impl Member {
Member::Axis(PaneAxis { axis, members })
}
- pub fn render(&self, theme: &Theme) -> ElementBox {
+ pub fn render(
+ &self,
+ theme: &Theme,
+ follower_states: &FollowerStatesByLeader,
+ collaborators: &HashMap<PeerId, Collaborator>,
+ ) -> ElementBox {
match self {
- Member::Pane(pane) => ChildView::new(pane).boxed(),
- Member::Axis(axis) => axis.render(theme),
+ Member::Pane(pane) => {
+ let mut border = Border::default();
+ let leader = follower_states
+ .iter()
+ .find_map(|(leader_id, follower_states)| {
+ if follower_states.contains_key(pane) {
+ Some(leader_id)
+ } else {
+ None
+ }
+ })
+ .and_then(|leader_id| collaborators.get(leader_id));
+ if let Some(leader) = leader {
+ let leader_color = theme
+ .editor
+ .replica_selection_style(leader.replica_id)
+ .cursor;
+ border = Border::all(theme.workspace.leader_border_width, leader_color);
+ border
+ .color
+ .fade_out(1. - theme.workspace.leader_border_opacity);
+ border.overlay = true;
+ }
+ ChildView::new(pane).contained().with_border(border).boxed()
+ }
+ Member::Axis(axis) => axis.render(theme, follower_states, collaborators),
+ }
+ }
+
+ fn collect_panes<'a>(&'a self, panes: &mut Vec<&'a ViewHandle<Pane>>) {
+ match self {
+ Member::Axis(axis) => {
+ for member in &axis.members {
+ member.collect_panes(panes);
+ }
+ }
+ Member::Pane(pane) => panes.push(pane),
}
}
}
@@ -172,11 +225,16 @@ impl PaneAxis {
}
}
- fn render<'a>(&self, theme: &Theme) -> ElementBox {
+ fn render(
+ &self,
+ theme: &Theme,
+ follower_state: &FollowerStatesByLeader,
+ collaborators: &HashMap<PeerId, Collaborator>,
+ ) -> ElementBox {
let last_member_ix = self.members.len() - 1;
Flex::new(self.axis)
.with_children(self.members.iter().enumerate().map(|(ix, member)| {
- let mut member = member.render(theme);
+ let mut member = member.render(theme, follower_state, collaborators);
if ix < last_member_ix {
let mut border = theme.workspace.pane_divider;
border.left = false;
@@ -6,10 +6,12 @@ pub mod settings;
pub mod sidebar;
mod status_bar;
-use anyhow::{anyhow, Result};
-use client::{Authenticate, ChannelList, Client, User, UserStore};
+use anyhow::{anyhow, Context, Result};
+use client::{
+ proto, Authenticate, ChannelList, Client, PeerId, Subscription, TypedEnvelope, User, UserStore,
+};
use clock::ReplicaId;
-use collections::HashMap;
+use collections::{hash_map, HashMap, HashSet};
use gpui::{
action,
color::Color,
@@ -18,9 +20,9 @@ use gpui::{
json::{self, to_string_pretty, ToJson},
keymap::Binding,
platform::{CursorStyle, WindowOptions},
- AnyModelHandle, AnyViewHandle, AppContext, ClipboardItem, Entity, ImageData, ModelHandle,
- MutableAppContext, PathPromptOptions, PromptLevel, RenderContext, Task, View, ViewContext,
- ViewHandle, WeakViewHandle,
+ AnyModelHandle, AnyViewHandle, AppContext, AsyncAppContext, Border, ClipboardItem, Entity,
+ ImageData, ModelHandle, MutableAppContext, PathPromptOptions, PromptLevel, RenderContext, Task,
+ View, ViewContext, ViewHandle, WeakViewHandle,
};
use language::LanguageRegistry;
use log::error;
@@ -35,34 +37,51 @@ pub use status_bar::StatusItemView;
use std::{
any::{Any, TypeId},
cell::RefCell,
+ fmt,
future::Future,
path::{Path, PathBuf},
rc::Rc,
- sync::Arc,
+ sync::{
+ atomic::{AtomicBool, Ordering::SeqCst},
+ Arc,
+ },
};
use theme::{Theme, ThemeRegistry};
+use util::ResultExt;
-type ItemBuilders = HashMap<
+type ProjectItemBuilders = HashMap<
TypeId,
- Arc<
- dyn Fn(
- usize,
- ModelHandle<Project>,
- AnyModelHandle,
- &mut MutableAppContext,
- ) -> Box<dyn ItemHandle>,
- >,
+ fn(usize, ModelHandle<Project>, AnyModelHandle, &mut MutableAppContext) -> Box<dyn ItemHandle>,
+>;
+
+type FollowableItemBuilder = fn(
+ ViewHandle<Pane>,
+ ModelHandle<Project>,
+ &mut Option<proto::view::Variant>,
+ &mut MutableAppContext,
+) -> Option<Task<Result<Box<dyn FollowableItemHandle>>>>;
+type FollowableItemBuilders = HashMap<
+ TypeId,
+ (
+ FollowableItemBuilder,
+ fn(AnyViewHandle) -> Box<dyn FollowableItemHandle>,
+ ),
>;
action!(Open, Arc<AppState>);
action!(OpenNew, Arc<AppState>);
action!(OpenPaths, OpenParams);
action!(ToggleShare);
+action!(ToggleFollow, PeerId);
+action!(FollowNextCollaborator);
+action!(Unfollow);
action!(JoinProject, JoinProjectParams);
action!(Save);
action!(DebugElements);
+action!(ActivatePreviousPane);
+action!(ActivateNextPane);
-pub fn init(cx: &mut MutableAppContext) {
+pub fn init(client: &Arc<Client>, cx: &mut MutableAppContext) {
pane::init(cx);
menu::init(cx);
@@ -78,6 +97,14 @@ pub fn init(cx: &mut MutableAppContext) {
});
cx.add_action(Workspace::toggle_share);
+ cx.add_async_action(Workspace::toggle_follow);
+ cx.add_async_action(Workspace::follow_next_collaborator);
+ cx.add_action(
+ |workspace: &mut Workspace, _: &Unfollow, cx: &mut ViewContext<Workspace>| {
+ let pane = workspace.active_pane().clone();
+ workspace.unfollow(&pane, cx);
+ },
+ );
cx.add_action(
|workspace: &mut Workspace, _: &Save, cx: &mut ViewContext<Workspace>| {
workspace.save_active_item(cx).detach_and_log_err(cx);
@@ -86,9 +113,18 @@ pub fn init(cx: &mut MutableAppContext) {
cx.add_action(Workspace::debug_elements);
cx.add_action(Workspace::toggle_sidebar_item);
cx.add_action(Workspace::toggle_sidebar_item_focus);
+ cx.add_action(|workspace: &mut Workspace, _: &ActivatePreviousPane, cx| {
+ workspace.activate_previous_pane(cx)
+ });
+ cx.add_action(|workspace: &mut Workspace, _: &ActivateNextPane, cx| {
+ workspace.activate_next_pane(cx)
+ });
cx.add_bindings(vec![
+ Binding::new("ctrl-alt-cmd-f", FollowNextCollaborator, None),
Binding::new("cmd-s", Save, None),
Binding::new("cmd-alt-i", DebugElements, None),
+ Binding::new("cmd-k cmd-left", ActivatePreviousPane, None),
+ Binding::new("cmd-k cmd-right", ActivateNextPane, None),
Binding::new(
"cmd-shift-!",
ToggleSidebarItem(SidebarItemId {
@@ -106,20 +142,34 @@ pub fn init(cx: &mut MutableAppContext) {
None,
),
]);
+
+ client.add_view_request_handler(Workspace::handle_follow);
+ client.add_view_message_handler(Workspace::handle_unfollow);
+ client.add_view_message_handler(Workspace::handle_update_followers);
+}
+
+pub fn register_project_item<I: ProjectItem>(cx: &mut MutableAppContext) {
+ cx.update_default_global(|builders: &mut ProjectItemBuilders, _| {
+ builders.insert(TypeId::of::<I::Item>(), |window_id, project, model, cx| {
+ let item = model.downcast::<I::Item>().unwrap();
+ Box::new(cx.add_view(window_id, |cx| I::for_project_item(project, item, cx)))
+ });
+ });
}
-pub fn register_project_item<F, V>(cx: &mut MutableAppContext, build_item: F)
-where
- V: ProjectItem,
- F: 'static + Fn(ModelHandle<Project>, ModelHandle<V::Item>, &mut ViewContext<V>) -> V,
-{
- cx.update_default_global(|builders: &mut ItemBuilders, _| {
+pub fn register_followable_item<I: FollowableItem>(cx: &mut MutableAppContext) {
+ cx.update_default_global(|builders: &mut FollowableItemBuilders, _| {
builders.insert(
- TypeId::of::<V::Item>(),
- Arc::new(move |window_id, project, model, cx| {
- let model = model.downcast::<V::Item>().unwrap();
- Box::new(cx.add_view(window_id, |cx| build_item(project, model, cx)))
- }),
+ TypeId::of::<I>(),
+ (
+ |pane, project, state, cx| {
+ I::from_state_proto(pane, project, state, cx).map(|task| {
+ cx.foreground()
+ .spawn(async move { Ok(Box::new(task.await?) as Box<_>) })
+ })
+ },
+ |this| Box::new(this.downcast::<I>().unwrap()),
+ ),
);
});
}
@@ -156,6 +206,7 @@ pub trait Item: View {
fn navigate(&mut self, _: Box<dyn Any>, _: &mut ViewContext<Self>) {}
fn tab_content(&self, style: &theme::Tab, cx: &AppContext) -> ElementBox;
fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
+ fn project_entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId>;
fn set_nav_history(&mut self, _: ItemNavHistory, _: &mut ViewContext<Self>);
fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
where
@@ -215,13 +266,101 @@ pub trait ProjectItem: Item {
) -> Self;
}
-pub trait ItemHandle: 'static {
+pub trait FollowableItem: Item {
+ fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant>;
+ fn from_state_proto(
+ pane: ViewHandle<Pane>,
+ project: ModelHandle<Project>,
+ state: &mut Option<proto::view::Variant>,
+ cx: &mut MutableAppContext,
+ ) -> Option<Task<Result<ViewHandle<Self>>>>;
+ fn add_event_to_update_proto(
+ &self,
+ event: &Self::Event,
+ update: &mut Option<proto::update_view::Variant>,
+ cx: &AppContext,
+ ) -> bool;
+ fn apply_update_proto(
+ &mut self,
+ message: proto::update_view::Variant,
+ cx: &mut ViewContext<Self>,
+ ) -> Result<()>;
+
+ fn set_leader_replica_id(&mut self, leader_replica_id: Option<u16>, cx: &mut ViewContext<Self>);
+ fn should_unfollow_on_event(event: &Self::Event, cx: &AppContext) -> bool;
+}
+
+pub trait FollowableItemHandle: ItemHandle {
+ fn set_leader_replica_id(&self, leader_replica_id: Option<u16>, cx: &mut MutableAppContext);
+ fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant>;
+ fn add_event_to_update_proto(
+ &self,
+ event: &dyn Any,
+ update: &mut Option<proto::update_view::Variant>,
+ cx: &AppContext,
+ ) -> bool;
+ fn apply_update_proto(
+ &self,
+ message: proto::update_view::Variant,
+ cx: &mut MutableAppContext,
+ ) -> Result<()>;
+ fn should_unfollow_on_event(&self, event: &dyn Any, cx: &AppContext) -> bool;
+}
+
+impl<T: FollowableItem> FollowableItemHandle for ViewHandle<T> {
+ fn set_leader_replica_id(&self, leader_replica_id: Option<u16>, cx: &mut MutableAppContext) {
+ self.update(cx, |this, cx| {
+ this.set_leader_replica_id(leader_replica_id, cx)
+ })
+ }
+
+ fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant> {
+ self.read(cx).to_state_proto(cx)
+ }
+
+ fn add_event_to_update_proto(
+ &self,
+ event: &dyn Any,
+ update: &mut Option<proto::update_view::Variant>,
+ cx: &AppContext,
+ ) -> bool {
+ if let Some(event) = event.downcast_ref() {
+ self.read(cx).add_event_to_update_proto(event, update, cx)
+ } else {
+ false
+ }
+ }
+
+ fn apply_update_proto(
+ &self,
+ message: proto::update_view::Variant,
+ cx: &mut MutableAppContext,
+ ) -> Result<()> {
+ self.update(cx, |this, cx| this.apply_update_proto(message, cx))
+ }
+
+ fn should_unfollow_on_event(&self, event: &dyn Any, cx: &AppContext) -> bool {
+ if let Some(event) = event.downcast_ref() {
+ T::should_unfollow_on_event(event, cx)
+ } else {
+ false
+ }
+ }
+}
+
+pub trait ItemHandle: 'static + fmt::Debug {
fn tab_content(&self, style: &theme::Tab, cx: &AppContext) -> ElementBox;
fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
+ fn project_entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId>;
fn boxed_clone(&self) -> Box<dyn ItemHandle>;
fn set_nav_history(&self, nav_history: Rc<RefCell<NavHistory>>, cx: &mut MutableAppContext);
fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemHandle>>;
- fn added_to_pane(&mut self, cx: &mut ViewContext<Pane>);
+ fn added_to_pane(
+ &self,
+ workspace: &mut Workspace,
+ pane: ViewHandle<Pane>,
+ cx: &mut ViewContext<Workspace>,
+ );
fn deactivated(&self, cx: &mut MutableAppContext);
fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext);
fn id(&self) -> usize;
@@ -238,6 +377,7 @@ pub trait ItemHandle: 'static {
cx: &mut MutableAppContext,
) -> Task<Result<()>>;
fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle>;
+ fn to_followable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn FollowableItemHandle>>;
}
pub trait WeakItemHandle {
@@ -265,15 +405,15 @@ impl<T: Item> ItemHandle for ViewHandle<T> {
self.read(cx).project_path(cx)
}
+ fn project_entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId> {
+ self.read(cx).project_entry_id(cx)
+ }
+
fn boxed_clone(&self) -> Box<dyn ItemHandle> {
Box::new(self.clone())
}
- fn clone_on_split(
- &self,
- // nav_history: Rc<RefCell<NavHistory>>,
- cx: &mut MutableAppContext,
- ) -> Option<Box<dyn ItemHandle>> {
+ fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemHandle>> {
self.update(cx, |item, cx| {
cx.add_option_view(|cx| item.clone_on_split(cx))
})
@@ -286,20 +426,81 @@ impl<T: Item> ItemHandle for ViewHandle<T> {
})
}
- fn added_to_pane(&mut self, cx: &mut ViewContext<Pane>) {
- cx.subscribe(self, |pane, item, event, cx| {
+ fn added_to_pane(
+ &self,
+ workspace: &mut Workspace,
+ pane: ViewHandle<Pane>,
+ cx: &mut ViewContext<Workspace>,
+ ) {
+ if let Some(followed_item) = self.to_followable_item_handle(cx) {
+ if let Some(message) = followed_item.to_state_proto(cx) {
+ workspace.update_followers(
+ proto::update_followers::Variant::CreateView(proto::View {
+ id: followed_item.id() as u64,
+ variant: Some(message),
+ leader_id: workspace.leader_for_pane(&pane).map(|id| id.0),
+ }),
+ cx,
+ );
+ }
+ }
+
+ let pending_update = Rc::new(RefCell::new(None));
+ let pending_update_scheduled = Rc::new(AtomicBool::new(false));
+ let pane = pane.downgrade();
+ cx.subscribe(self, move |workspace, item, event, cx| {
+ let pane = if let Some(pane) = pane.upgrade(cx) {
+ pane
+ } else {
+ log::error!("unexpected item event after pane was dropped");
+ return;
+ };
+
+ if let Some(item) = item.to_followable_item_handle(cx) {
+ let leader_id = workspace.leader_for_pane(&pane);
+
+ if leader_id.is_some() && item.should_unfollow_on_event(event, cx) {
+ workspace.unfollow(&pane, cx);
+ }
+
+ if item.add_event_to_update_proto(event, &mut *pending_update.borrow_mut(), cx)
+ && !pending_update_scheduled.load(SeqCst)
+ {
+ pending_update_scheduled.store(true, SeqCst);
+ cx.after_window_update({
+ let pending_update = pending_update.clone();
+ let pending_update_scheduled = pending_update_scheduled.clone();
+ move |this, cx| {
+ pending_update_scheduled.store(false, SeqCst);
+ this.update_followers(
+ proto::update_followers::Variant::UpdateView(proto::UpdateView {
+ id: item.id() as u64,
+ variant: pending_update.borrow_mut().take(),
+ leader_id: leader_id.map(|id| id.0),
+ }),
+ cx,
+ );
+ }
+ });
+ }
+ }
+
if T::should_close_item_on_event(event) {
- pane.close_item(item.id(), cx);
+ pane.update(cx, |pane, cx| pane.close_item(item.id(), cx));
return;
}
+
if T::should_activate_item_on_event(event) {
- if let Some(ix) = pane.index_for_item(&item) {
- pane.activate_item(ix, cx);
- pane.activate(cx);
- }
+ pane.update(cx, |pane, cx| {
+ if let Some(ix) = pane.index_for_item(&item) {
+ pane.activate_item(ix, true, cx);
+ pane.activate(cx);
+ }
+ });
}
+
if T::should_update_tab_on_event(event) {
- cx.notify()
+ pane.update(cx, |_, cx| cx.notify());
}
})
.detach();
@@ -353,6 +554,16 @@ impl<T: Item> ItemHandle for ViewHandle<T> {
fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle> {
self.read(cx).act_as_type(type_id, self, cx)
}
+
+ fn to_followable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn FollowableItemHandle>> {
+ if cx.has_global::<FollowableItemBuilders>() {
+ let builders = cx.global::<FollowableItemBuilders>();
+ let item = self.to_any();
+ Some(builders.get(&item.view_type())?.1(item))
+ } else {
+ None
+ }
+ }
}
impl Into<AnyViewHandle> for Box<dyn ItemHandle> {
@@ -441,6 +652,7 @@ pub struct Workspace {
weak_self: WeakViewHandle<Self>,
client: Arc<Client>,
user_store: ModelHandle<client::UserStore>,
+ remote_entity_subscription: Option<Subscription>,
fs: Arc<dyn Fs>,
modal: Option<AnyViewHandle>,
center: PaneGroup,
@@ -450,9 +662,31 @@ pub struct Workspace {
active_pane: ViewHandle<Pane>,
status_bar: ViewHandle<StatusBar>,
project: ModelHandle<Project>,
+ leader_state: LeaderState,
+ follower_states_by_leader: FollowerStatesByLeader,
+ last_leaders_by_pane: HashMap<WeakViewHandle<Pane>, PeerId>,
_observe_current_user: Task<()>,
}
+#[derive(Default)]
+struct LeaderState {
+ followers: HashSet<PeerId>,
+}
+
+type FollowerStatesByLeader = HashMap<PeerId, HashMap<ViewHandle<Pane>, FollowerState>>;
+
+#[derive(Default)]
+struct FollowerState {
+ active_view_id: Option<u64>,
+ items_by_leader_view_id: HashMap<u64, FollowerItem>,
+}
+
+#[derive(Debug)]
+enum FollowerItem {
+ Loading(Vec<proto::update_view::Variant>),
+ Loaded(Box<dyn FollowableItemHandle>),
+}
+
impl Workspace {
pub fn new(params: &WorkspaceParams, cx: &mut ViewContext<Self>) -> Self {
cx.observe(¶ms.project, |_, project, cx| {
@@ -463,6 +697,23 @@ impl Workspace {
})
.detach();
+ cx.subscribe(¶ms.project, move |this, project, event, cx| {
+ match event {
+ project::Event::RemoteIdChanged(remote_id) => {
+ this.project_remote_id_changed(*remote_id, cx);
+ }
+ project::Event::CollaboratorLeft(peer_id) => {
+ this.collaborator_left(*peer_id, cx);
+ }
+ _ => {}
+ }
+ if project.read(cx).is_read_only() {
+ cx.blur();
+ }
+ cx.notify()
+ })
+ .detach();
+
let pane = cx.add_view(|_| Pane::new());
let pane_id = pane.id();
cx.observe(&pane, move |me, _, cx| {
@@ -499,7 +750,7 @@ impl Workspace {
cx.emit_global(WorkspaceCreated(weak_self.clone()));
- Workspace {
+ let mut this = Workspace {
modal: None,
weak_self,
center: PaneGroup::new(pane.clone()),
@@ -507,13 +758,19 @@ impl Workspace {
active_pane: pane.clone(),
status_bar,
client: params.client.clone(),
+ remote_entity_subscription: None,
user_store: params.user_store.clone(),
fs: params.fs.clone(),
left_sidebar: Sidebar::new(Side::Left),
right_sidebar: Sidebar::new(Side::Right),
project: params.project.clone(),
+ leader_state: Default::default(),
+ follower_states_by_leader: Default::default(),
+ last_leaders_by_pane: Default::default(),
_observe_current_user,
- }
+ };
+ this.project_remote_id_changed(this.project.read(cx).remote_id(), cx);
+ this
}
pub fn weak_handle(&self) -> WeakViewHandle<Self> {
@@ -666,6 +923,13 @@ impl Workspace {
}
}
+ pub fn items<'a>(
+ &'a self,
+ cx: &'a AppContext,
+ ) -> impl 'a + Iterator<Item = &Box<dyn ItemHandle>> {
+ self.panes.iter().flat_map(|pane| pane.read(cx).items())
+ }
+
pub fn item_of_type<T: Item>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
self.items_of_type(cx).max_by_key(|item| item.id())
}
@@ -674,11 +938,9 @@ impl Workspace {
&'a self,
cx: &'a AppContext,
) -> impl 'a + Iterator<Item = ViewHandle<T>> {
- self.panes.iter().flat_map(|pane| {
- pane.read(cx)
- .items()
- .filter_map(|item| item.to_any().downcast())
- })
+ self.panes
+ .iter()
+ .flat_map(|pane| pane.read(cx).items_of_type())
}
pub fn active_item(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
@@ -801,26 +1063,30 @@ impl Workspace {
}
pub fn add_item(&mut self, item: Box<dyn ItemHandle>, cx: &mut ViewContext<Self>) {
- self.active_pane()
- .update(cx, |pane, cx| pane.add_item(None, item, cx))
+ let pane = self.active_pane().clone();
+ Pane::add_item(self, pane, item, true, cx);
}
pub fn open_path(
&mut self,
- path: ProjectPath,
+ path: impl Into<ProjectPath>,
cx: &mut ViewContext<Self>,
) -> Task<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>> {
let pane = self.active_pane().downgrade();
- let task = self.load_path(path, cx);
+ let task = self.load_path(path.into(), cx);
cx.spawn(|this, mut cx| async move {
- let (project_entry_id, build_editor) = task.await?;
+ let (project_entry_id, build_item) = task.await?;
let pane = pane
.upgrade(&cx)
.ok_or_else(|| anyhow!("pane was closed"))?;
- this.update(&mut cx, |_, cx| {
- pane.update(cx, |pane, cx| {
- Ok(pane.open_item(project_entry_id, cx, build_editor))
- })
+ this.update(&mut cx, |this, cx| {
+ Ok(Pane::open_item(
+ this,
+ pane,
+ project_entry_id,
+ cx,
+ build_item,
+ ))
})
})
}
@@ -841,7 +1107,7 @@ impl Workspace {
cx.as_mut().spawn(|mut cx| async move {
let (project_entry_id, project_item) = project_item.await?;
let build_item = cx.update(|cx| {
- cx.default_global::<ItemBuilders>()
+ cx.default_global::<ProjectItemBuilders>()
.get(&project_item.model_type())
.ok_or_else(|| anyhow!("no item builder for project item"))
.cloned()
@@ -864,7 +1130,7 @@ impl Workspace {
let entry_id = project_item.read(cx).entry_id(cx);
if let Some(item) = entry_id
- .and_then(|entry_id| self.active_pane().read(cx).item_for_entry(dbg!(entry_id)))
+ .and_then(|entry_id| self.active_pane().read(cx).item_for_entry(entry_id, cx))
.and_then(|item| item.downcast())
{
self.activate_item(&item, cx);
@@ -872,9 +1138,7 @@ impl Workspace {
}
let item = cx.add_view(|cx| T::for_project_item(self.project().clone(), project_item, cx));
- self.active_pane().update(cx, |pane, cx| {
- pane.add_item(entry_id, Box::new(item.clone()), cx)
- });
+ self.add_item(Box::new(item.clone()), cx);
item
}
@@ -888,7 +1152,7 @@ impl Workspace {
});
if let Some((pane, ix)) = result {
self.activate_pane(pane.clone(), cx);
- pane.update(cx, |pane, cx| pane.activate_item(ix, cx));
+ pane.update(cx, |pane, cx| pane.activate_item(ix, true, cx));
true
} else {
false
@@ -896,24 +1160,48 @@ impl Workspace {
}
pub fn activate_next_pane(&mut self, cx: &mut ViewContext<Self>) {
- let ix = self
- .panes
- .iter()
- .position(|pane| pane == &self.active_pane)
- .unwrap();
- let next_ix = (ix + 1) % self.panes.len();
- self.activate_pane(self.panes[next_ix].clone(), cx);
+ let next_pane = {
+ let panes = self.center.panes();
+ let ix = panes
+ .iter()
+ .position(|pane| **pane == self.active_pane)
+ .unwrap();
+ let next_ix = (ix + 1) % panes.len();
+ panes[next_ix].clone()
+ };
+ self.activate_pane(next_pane, cx);
+ }
+
+ pub fn activate_previous_pane(&mut self, cx: &mut ViewContext<Self>) {
+ let prev_pane = {
+ let panes = self.center.panes();
+ let ix = panes
+ .iter()
+ .position(|pane| **pane == self.active_pane)
+ .unwrap();
+ let prev_ix = if ix == 0 { panes.len() - 1 } else { ix - 1 };
+ panes[prev_ix].clone()
+ };
+ self.activate_pane(prev_pane, cx);
}
fn activate_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
if self.active_pane != pane {
- self.active_pane = pane;
+ self.active_pane = pane.clone();
self.status_bar.update(cx, |status_bar, cx| {
status_bar.set_active_pane(&self.active_pane, cx);
});
cx.focus(&self.active_pane);
cx.notify();
}
+
+ self.update_followers(
+ proto::update_followers::Variant::UpdateActiveView(proto::UpdateActiveView {
+ id: self.active_item(cx).map(|item| item.id() as u64),
+ leader_id: self.leader_for_pane(&pane).map(|id| id.0),
+ }),
+ cx,
+ );
}
fn handle_pane_event(
@@ -933,6 +1221,11 @@ impl Workspace {
pane::Event::Activate => {
self.activate_pane(pane, cx);
}
+ pane::Event::ActivateItem { local } => {
+ if *local {
+ self.unfollow(&pane, cx);
+ }
+ }
}
} else {
error!("pane {} not found", pane_id);
@@ -948,11 +1241,8 @@ impl Workspace {
let new_pane = self.add_pane(cx);
self.activate_pane(new_pane.clone(), cx);
if let Some(item) = pane.read(cx).active_item() {
- let project_entry_id = pane.read(cx).project_entry_id_for_item(item.as_ref());
if let Some(clone) = item.clone_on_split(cx.as_mut()) {
- new_pane.update(cx, |new_pane, cx| {
- new_pane.add_item(project_entry_id, clone, cx);
- });
+ Pane::add_item(self, new_pane.clone(), clone, true, cx);
}
}
self.center.split(&pane, &new_pane, direction).unwrap();
@@ -964,6 +1254,8 @@ impl Workspace {
if self.center.remove(&pane).unwrap() {
self.panes.retain(|p| p != &pane);
self.activate_pane(self.panes.last().unwrap().clone(), cx);
+ self.unfollow(&pane, cx);
+ self.last_leaders_by_pane.remove(&pane.downgrade());
cx.notify();
}
}
@@ -992,6 +1284,139 @@ impl Workspace {
});
}
+ fn project_remote_id_changed(&mut self, remote_id: Option<u64>, cx: &mut ViewContext<Self>) {
+ if let Some(remote_id) = remote_id {
+ self.remote_entity_subscription =
+ Some(self.client.add_view_for_remote_entity(remote_id, cx));
+ } else {
+ self.remote_entity_subscription.take();
+ }
+ }
+
+ fn collaborator_left(&mut self, peer_id: PeerId, cx: &mut ViewContext<Self>) {
+ self.leader_state.followers.remove(&peer_id);
+ if let Some(states_by_pane) = self.follower_states_by_leader.remove(&peer_id) {
+ for state in states_by_pane.into_values() {
+ for item in state.items_by_leader_view_id.into_values() {
+ if let FollowerItem::Loaded(item) = item {
+ item.set_leader_replica_id(None, cx);
+ }
+ }
+ }
+ }
+ cx.notify();
+ }
+
+ pub fn toggle_follow(
+ &mut self,
+ ToggleFollow(leader_id): &ToggleFollow,
+ cx: &mut ViewContext<Self>,
+ ) -> Option<Task<Result<()>>> {
+ let leader_id = *leader_id;
+ let pane = self.active_pane().clone();
+
+ if let Some(prev_leader_id) = self.unfollow(&pane, cx) {
+ if leader_id == prev_leader_id {
+ return None;
+ }
+ }
+
+ self.last_leaders_by_pane
+ .insert(pane.downgrade(), leader_id);
+ self.follower_states_by_leader
+ .entry(leader_id)
+ .or_default()
+ .insert(pane.clone(), Default::default());
+ cx.notify();
+
+ let project_id = self.project.read(cx).remote_id()?;
+ let request = self.client.request(proto::Follow {
+ project_id,
+ leader_id: leader_id.0,
+ });
+ Some(cx.spawn_weak(|this, mut cx| async move {
+ let response = request.await?;
+ if let Some(this) = this.upgrade(&cx) {
+ this.update(&mut cx, |this, _| {
+ let state = this
+ .follower_states_by_leader
+ .get_mut(&leader_id)
+ .and_then(|states_by_pane| states_by_pane.get_mut(&pane))
+ .ok_or_else(|| anyhow!("following interrupted"))?;
+ state.active_view_id = response.active_view_id;
+ Ok::<_, anyhow::Error>(())
+ })?;
+ Self::add_views_from_leader(this, leader_id, vec![pane], response.views, &mut cx)
+ .await?;
+ }
+ Ok(())
+ }))
+ }
+
+ pub fn follow_next_collaborator(
+ &mut self,
+ _: &FollowNextCollaborator,
+ cx: &mut ViewContext<Self>,
+ ) -> Option<Task<Result<()>>> {
+ let collaborators = self.project.read(cx).collaborators();
+ let next_leader_id = if let Some(leader_id) = self.leader_for_pane(&self.active_pane) {
+ let mut collaborators = collaborators.keys().copied();
+ while let Some(peer_id) = collaborators.next() {
+ if peer_id == leader_id {
+ break;
+ }
+ }
+ collaborators.next()
+ } else if let Some(last_leader_id) =
+ self.last_leaders_by_pane.get(&self.active_pane.downgrade())
+ {
+ if collaborators.contains_key(last_leader_id) {
+ Some(*last_leader_id)
+ } else {
+ None
+ }
+ } else {
+ None
+ };
+
+ next_leader_id
+ .or_else(|| collaborators.keys().copied().next())
+ .and_then(|leader_id| self.toggle_follow(&ToggleFollow(leader_id), cx))
+ }
+
+ pub fn unfollow(
+ &mut self,
+ pane: &ViewHandle<Pane>,
+ cx: &mut ViewContext<Self>,
+ ) -> Option<PeerId> {
+ for (leader_id, states_by_pane) in &mut self.follower_states_by_leader {
+ let leader_id = *leader_id;
+ if let Some(state) = states_by_pane.remove(&pane) {
+ for (_, item) in state.items_by_leader_view_id {
+ if let FollowerItem::Loaded(item) = item {
+ item.set_leader_replica_id(None, cx);
+ }
+ }
+
+ if states_by_pane.is_empty() {
+ self.follower_states_by_leader.remove(&leader_id);
+ if let Some(project_id) = self.project.read(cx).remote_id() {
+ self.client
+ .send(proto::Unfollow {
+ project_id,
+ leader_id: leader_id.0,
+ })
+ .log_err();
+ }
+ }
+
+ cx.notify();
+ return Some(leader_id);
+ }
+ }
+ None
+ }
+
fn render_connection_status(&self, cx: &mut RenderContext<Self>) -> Option<ElementBox> {
let theme = &cx.global::<Settings>().theme;
match &*self.client.status().borrow() {
@@ -1081,7 +1506,9 @@ impl Workspace {
Some(self.render_avatar(
collaborator.user.avatar.clone()?,
collaborator.replica_id,
+ Some(collaborator.peer_id),
theme,
+ cx,
))
})
.collect()
@@ -1095,7 +1522,7 @@ impl Workspace {
cx: &mut RenderContext<Self>,
) -> ElementBox {
if let Some(avatar) = user.and_then(|user| user.avatar.clone()) {
- self.render_avatar(avatar, replica_id, theme)
+ self.render_avatar(avatar, replica_id, None, theme, cx)
} else {
MouseEventHandler::new::<Authenticate, _, _>(0, cx, |state, _| {
let style = if state.hovered {
@@ -1119,52 +1546,65 @@ impl Workspace {
&self,
avatar: Arc<ImageData>,
replica_id: ReplicaId,
+ peer_id: Option<PeerId>,
theme: &Theme,
+ cx: &mut RenderContext<Self>,
) -> ElementBox {
- ConstrainedBox::new(
- Stack::new()
- .with_child(
- ConstrainedBox::new(
- Image::new(avatar)
- .with_style(theme.workspace.titlebar.avatar)
- .boxed(),
- )
+ let replica_color = theme.editor.replica_selection_style(replica_id).cursor;
+ let is_followed = peer_id.map_or(false, |peer_id| {
+ self.follower_states_by_leader.contains_key(&peer_id)
+ });
+ let mut avatar_style = theme.workspace.titlebar.avatar;
+ if is_followed {
+ avatar_style.border = Border::all(1.0, replica_color);
+ }
+ let content = Stack::new()
+ .with_child(
+ Image::new(avatar)
+ .with_style(avatar_style)
+ .constrained()
.with_width(theme.workspace.titlebar.avatar_width)
.aligned()
.boxed(),
- )
- .with_child(
- AvatarRibbon::new(theme.editor.replica_selection_style(replica_id).cursor)
- .constrained()
- .with_width(theme.workspace.titlebar.avatar_ribbon.width)
- .with_height(theme.workspace.titlebar.avatar_ribbon.height)
- .aligned()
- .bottom()
- .boxed(),
- )
- .boxed(),
- )
- .with_width(theme.workspace.right_sidebar.width)
- .boxed()
+ )
+ .with_child(
+ AvatarRibbon::new(replica_color)
+ .constrained()
+ .with_width(theme.workspace.titlebar.avatar_ribbon.width)
+ .with_height(theme.workspace.titlebar.avatar_ribbon.height)
+ .aligned()
+ .bottom()
+ .boxed(),
+ )
+ .constrained()
+ .with_width(theme.workspace.right_sidebar.width)
+ .boxed();
+
+ if let Some(peer_id) = peer_id {
+ MouseEventHandler::new::<ToggleFollow, _, _>(replica_id.into(), cx, move |_, _| content)
+ .with_cursor_style(CursorStyle::PointingHand)
+ .on_click(move |cx| cx.dispatch_action(ToggleFollow(peer_id)))
+ .boxed()
+ } else {
+ content
+ }
}
fn render_share_icon(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> Option<ElementBox> {
if self.project().read(cx).is_local() && self.client.user_id().is_some() {
- enum Share {}
-
let color = if self.project().read(cx).is_shared() {
theme.workspace.titlebar.share_icon_active_color
} else {
theme.workspace.titlebar.share_icon_color
};
Some(
- MouseEventHandler::new::<Share, _, _>(0, cx, |_, _| {
+ MouseEventHandler::new::<ToggleShare, _, _>(0, cx, |_, _| {
Align::new(
- ConstrainedBox::new(
- Svg::new("icons/broadcast-24.svg").with_color(color).boxed(),
- )
- .with_width(24.)
- .boxed(),
+ Svg::new("icons/broadcast-24.svg")
+ .with_color(color)
+ .constrained()
+ .with_width(24.)
+ .boxed(),
)
.boxed()
})
@@ -1198,6 +1638,279 @@ impl Workspace {
None
}
}
+
+ // RPC handlers
+
+ async fn handle_follow(
+ this: ViewHandle<Self>,
+ envelope: TypedEnvelope<proto::Follow>,
+ _: Arc<Client>,
+ mut cx: AsyncAppContext,
+ ) -> Result<proto::FollowResponse> {
+ this.update(&mut cx, |this, cx| {
+ this.leader_state
+ .followers
+ .insert(envelope.original_sender_id()?);
+
+ let active_view_id = this
+ .active_item(cx)
+ .and_then(|i| i.to_followable_item_handle(cx))
+ .map(|i| i.id() as u64);
+ Ok(proto::FollowResponse {
+ active_view_id,
+ views: this
+ .panes()
+ .iter()
+ .flat_map(|pane| {
+ let leader_id = this.leader_for_pane(pane).map(|id| id.0);
+ pane.read(cx).items().filter_map({
+ let cx = &cx;
+ move |item| {
+ let id = item.id() as u64;
+ let item = item.to_followable_item_handle(cx)?;
+ let variant = item.to_state_proto(cx)?;
+ Some(proto::View {
+ id,
+ leader_id,
+ variant: Some(variant),
+ })
+ }
+ })
+ })
+ .collect(),
+ })
+ })
+ }
+
+ async fn handle_unfollow(
+ this: ViewHandle<Self>,
+ envelope: TypedEnvelope<proto::Unfollow>,
+ _: Arc<Client>,
+ mut cx: AsyncAppContext,
+ ) -> Result<()> {
+ this.update(&mut cx, |this, _| {
+ this.leader_state
+ .followers
+ .remove(&envelope.original_sender_id()?);
+ Ok(())
+ })
+ }
+
+ async fn handle_update_followers(
+ this: ViewHandle<Self>,
+ envelope: TypedEnvelope<proto::UpdateFollowers>,
+ _: Arc<Client>,
+ mut cx: AsyncAppContext,
+ ) -> Result<()> {
+ let leader_id = envelope.original_sender_id()?;
+ match envelope
+ .payload
+ .variant
+ .ok_or_else(|| anyhow!("invalid update"))?
+ {
+ proto::update_followers::Variant::UpdateActiveView(update_active_view) => {
+ this.update(&mut cx, |this, cx| {
+ this.update_leader_state(leader_id, cx, |state, _| {
+ state.active_view_id = update_active_view.id;
+ });
+ Ok::<_, anyhow::Error>(())
+ })
+ }
+ proto::update_followers::Variant::UpdateView(update_view) => {
+ this.update(&mut cx, |this, cx| {
+ let variant = update_view
+ .variant
+ .ok_or_else(|| anyhow!("missing update view variant"))?;
+ this.update_leader_state(leader_id, cx, |state, cx| {
+ let variant = variant.clone();
+ match state
+ .items_by_leader_view_id
+ .entry(update_view.id)
+ .or_insert(FollowerItem::Loading(Vec::new()))
+ {
+ FollowerItem::Loaded(item) => {
+ item.apply_update_proto(variant, cx).log_err();
+ }
+ FollowerItem::Loading(updates) => updates.push(variant),
+ }
+ });
+ Ok(())
+ })
+ }
+ proto::update_followers::Variant::CreateView(view) => {
+ let panes = this.read_with(&cx, |this, _| {
+ this.follower_states_by_leader
+ .get(&leader_id)
+ .into_iter()
+ .flat_map(|states_by_pane| states_by_pane.keys())
+ .cloned()
+ .collect()
+ });
+ Self::add_views_from_leader(this.clone(), leader_id, panes, vec![view], &mut cx)
+ .await?;
+ Ok(())
+ }
+ }
+ .log_err();
+
+ Ok(())
+ }
+
+ async fn add_views_from_leader(
+ this: ViewHandle<Self>,
+ leader_id: PeerId,
+ panes: Vec<ViewHandle<Pane>>,
+ views: Vec<proto::View>,
+ cx: &mut AsyncAppContext,
+ ) -> Result<()> {
+ let project = this.read_with(cx, |this, _| this.project.clone());
+ let replica_id = project
+ .read_with(cx, |project, _| {
+ project
+ .collaborators()
+ .get(&leader_id)
+ .map(|c| c.replica_id)
+ })
+ .ok_or_else(|| anyhow!("no such collaborator {}", leader_id))?;
+
+ let item_builders = cx.update(|cx| {
+ cx.default_global::<FollowableItemBuilders>()
+ .values()
+ .map(|b| b.0)
+ .collect::<Vec<_>>()
+ .clone()
+ });
+
+ let mut item_tasks_by_pane = HashMap::default();
+ for pane in panes {
+ let mut item_tasks = Vec::new();
+ let mut leader_view_ids = Vec::new();
+ for view in &views {
+ let mut variant = view.variant.clone();
+ if variant.is_none() {
+ Err(anyhow!("missing variant"))?;
+ }
+ for build_item in &item_builders {
+ let task =
+ cx.update(|cx| build_item(pane.clone(), project.clone(), &mut variant, cx));
+ if let Some(task) = task {
+ item_tasks.push(task);
+ leader_view_ids.push(view.id);
+ break;
+ } else {
+ assert!(variant.is_some());
+ }
+ }
+ }
+
+ item_tasks_by_pane.insert(pane, (item_tasks, leader_view_ids));
+ }
+
+ for (pane, (item_tasks, leader_view_ids)) in item_tasks_by_pane {
+ let items = futures::future::try_join_all(item_tasks).await?;
+ this.update(cx, |this, cx| {
+ let state = this
+ .follower_states_by_leader
+ .get_mut(&leader_id)?
+ .get_mut(&pane)?;
+
+ for (id, item) in leader_view_ids.into_iter().zip(items) {
+ item.set_leader_replica_id(Some(replica_id), cx);
+ match state.items_by_leader_view_id.entry(id) {
+ hash_map::Entry::Occupied(e) => {
+ let e = e.into_mut();
+ if let FollowerItem::Loading(updates) = e {
+ for update in updates.drain(..) {
+ item.apply_update_proto(update, cx)
+ .context("failed to apply view update")
+ .log_err();
+ }
+ }
+ *e = FollowerItem::Loaded(item);
+ }
+ hash_map::Entry::Vacant(e) => {
+ e.insert(FollowerItem::Loaded(item));
+ }
+ }
+ }
+
+ Some(())
+ });
+ }
+ this.update(cx, |this, cx| this.leader_updated(leader_id, cx));
+
+ Ok(())
+ }
+
+ fn update_followers(
+ &self,
+ update: proto::update_followers::Variant,
+ cx: &AppContext,
+ ) -> Option<()> {
+ let project_id = self.project.read(cx).remote_id()?;
+ if !self.leader_state.followers.is_empty() {
+ self.client
+ .send(proto::UpdateFollowers {
+ project_id,
+ follower_ids: self.leader_state.followers.iter().map(|f| f.0).collect(),
+ variant: Some(update),
+ })
+ .log_err();
+ }
+ None
+ }
+
+ pub fn leader_for_pane(&self, pane: &ViewHandle<Pane>) -> Option<PeerId> {
+ self.follower_states_by_leader
+ .iter()
+ .find_map(|(leader_id, state)| {
+ if state.contains_key(pane) {
+ Some(*leader_id)
+ } else {
+ None
+ }
+ })
+ }
+
+ fn update_leader_state(
+ &mut self,
+ leader_id: PeerId,
+ cx: &mut ViewContext<Self>,
+ mut update_fn: impl FnMut(&mut FollowerState, &mut ViewContext<Self>),
+ ) {
+ for (_, state) in self
+ .follower_states_by_leader
+ .get_mut(&leader_id)
+ .into_iter()
+ .flatten()
+ {
+ update_fn(state, cx);
+ }
+ self.leader_updated(leader_id, cx);
+ }
+
+ fn leader_updated(&mut self, leader_id: PeerId, cx: &mut ViewContext<Self>) -> Option<()> {
+ let mut items_to_add = Vec::new();
+ for (pane, state) in self.follower_states_by_leader.get(&leader_id)? {
+ if let Some(active_item) = state
+ .active_view_id
+ .and_then(|id| state.items_by_leader_view_id.get(&id))
+ {
+ if let FollowerItem::Loaded(item) = active_item {
+ items_to_add.push((pane.clone(), item.boxed_clone()));
+ }
+ }
+ }
+
+ for (pane, item) in items_to_add {
+ Pane::add_item(self, pane.clone(), item.boxed_clone(), false, cx);
+ if pane == self.active_pane {
+ pane.update(cx, |pane, cx| pane.focus_active_item(cx));
+ }
+ cx.notify();
+ }
+ None
+ }
}
impl Entity for Workspace {
@@ -64,6 +64,7 @@ crossbeam-channel = "0.5.0"
ctor = "0.1.20"
dirs = "3.0"
easy-parallel = "3.1.0"
+env_logger = "0.8"
futures = "0.3"
http-auth-basic = "0.1.3"
ignore = "0.4"
@@ -4,6 +4,8 @@ base = { family = "Zed Sans", size = 14 }
[workspace]
background = "$surface.0"
pane_divider = { width = 1, color = "$border.0" }
+leader_border_opacity = 0.7
+leader_border_width = 2.0
[workspace.titlebar]
height = 32
@@ -9,7 +9,6 @@ use gpui::{App, AssetSource, Task};
use log::LevelFilter;
use parking_lot::Mutex;
use project::Fs;
-use simplelog::SimpleLogger;
use smol::process::Command;
use std::{env, fs, path::PathBuf, sync::Arc};
use theme::{ThemeRegistry, DEFAULT_THEME_NAME};
@@ -69,7 +68,7 @@ fn main() {
project::Project::init(&client);
client::Channel::init(&client);
client::init(client.clone(), cx);
- workspace::init(cx);
+ workspace::init(&client, cx);
editor::init(cx);
go_to_line::init(cx);
file_finder::init(cx);
@@ -142,11 +141,10 @@ fn main() {
}
fn init_logger() {
- let level = LevelFilter::Info;
-
if stdout_is_a_pty() {
- SimpleLogger::init(level, Default::default()).expect("could not initialize logger");
+ env_logger::init();
} else {
+ let level = LevelFilter::Info;
let log_dir_path = dirs::home_dir()
.expect("could not locate home directory for logging")
.join("Library/Logs/");
@@ -252,7 +252,7 @@ mod tests {
async fn test_new_empty_workspace(cx: &mut TestAppContext) {
let app_state = cx.update(test_app_state);
cx.update(|cx| {
- workspace::init(cx);
+ workspace::init(&app_state.client, cx);
});
cx.dispatch_global_action(workspace::OpenNew(app_state.clone()));
let window_id = *cx.window_ids().first().unwrap();