Merge pull request #759 from zed-industries/breadcrumb-multibuffer-fix

Max Brunsfeld created

Update breadcrumbs when multibuffers' excerpts change

Change summary

crates/diagnostics/src/diagnostics.rs |   2 
crates/editor/src/multi_buffer.rs     |  22 ++++
crates/project/src/project.rs         | 139 +++++++++++++---------------
3 files changed, 86 insertions(+), 77 deletions(-)

Detailed changes

crates/diagnostics/src/diagnostics.rs 🔗

@@ -16,6 +16,7 @@ use language::{
     Bias, Buffer, Diagnostic, DiagnosticEntry, DiagnosticSeverity, Point, Selection, SelectionGoal,
 };
 use project::{DiagnosticSummary, Project, ProjectPath};
+use settings::Settings;
 use std::{
     any::{Any, TypeId},
     cmp::Ordering,
@@ -26,7 +27,6 @@ use std::{
 };
 use util::TryFutureExt;
 use workspace::{ItemHandle as _, ItemNavHistory, Workspace};
-use settings::Settings;
 
 action!(Deploy);
 

crates/editor/src/multi_buffer.rs 🔗

@@ -788,7 +788,7 @@ impl MultiBuffer {
             old: edit_start..edit_start,
             new: edit_start..edit_end,
         }]);
-
+        cx.emit(Event::Edited);
         cx.notify();
         ids
     }
@@ -802,10 +802,12 @@ impl MultiBuffer {
         snapshot.trailing_excerpt_update_count += 1;
         snapshot.is_dirty = false;
         snapshot.has_conflict = false;
+
         self.subscriptions.publish_mut([Edit {
             old: 0..prev_len,
             new: 0..0,
         }]);
+        cx.emit(Event::Edited);
         cx.notify();
     }
 
@@ -993,6 +995,7 @@ impl MultiBuffer {
         }
 
         self.subscriptions.publish_mut(edits);
+        cx.emit(Event::Edited);
         cx.notify();
     }
 
@@ -2928,7 +2931,7 @@ mod tests {
     use gpui::MutableAppContext;
     use language::{Buffer, Rope};
     use rand::prelude::*;
-    use std::env;
+    use std::{env, rc::Rc};
     use text::{Point, RandomCharIter};
     use util::test::sample_text;
 
@@ -2985,6 +2988,15 @@ mod tests {
         let buffer_2 = cx.add_model(|cx| Buffer::new(0, sample_text(6, 6, 'g'), cx));
         let multibuffer = cx.add_model(|_| MultiBuffer::new(0));
 
+        let events = Rc::new(RefCell::new(Vec::<Event>::new()));
+        multibuffer.update(cx, |_, cx| {
+            let events = events.clone();
+            cx.subscribe(&multibuffer, move |_, _, event, _| {
+                events.borrow_mut().push(event.clone())
+            })
+            .detach();
+        });
+
         let subscription = multibuffer.update(cx, |multibuffer, cx| {
             let subscription = multibuffer.subscribe();
             multibuffer.push_excerpts(buffer_1.clone(), [Point::new(1, 2)..Point::new(2, 5)], cx);
@@ -3009,6 +3021,12 @@ mod tests {
             subscription
         });
 
+        // Adding excerpts emits an edited event.
+        assert_eq!(
+            events.borrow().as_slice(),
+            &[Event::Edited, Event::Edited, Event::Edited]
+        );
+
         let snapshot = multibuffer.read(cx).snapshot(cx);
         assert_eq!(
             snapshot.text(),

crates/project/src/project.rs 🔗

@@ -1633,93 +1633,84 @@ impl Project {
                 return;
             }
         };
-
-        match progress.value {
-            lsp::ProgressParamsValue::WorkDone(progress) => match progress {
-                lsp::WorkDoneProgress::Begin(_) => {
-                    let language_server_status =
-                        if let Some(status) = self.language_server_statuses.get_mut(&server_id) {
-                            status
-                        } else {
-                            return;
-                        };
-
-                    if Some(token.as_str()) == disk_based_diagnostics_progress_token {
-                        language_server_status.pending_diagnostic_updates += 1;
-                        if language_server_status.pending_diagnostic_updates == 1 {
-                            self.disk_based_diagnostics_started(cx);
-                            self.broadcast_language_server_update(
-                                                            server_id,
-                                                            proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(
-                                                                proto::LspDiskBasedDiagnosticsUpdating {},
-                                                            ),
-                                                        );
-                        }
-                    } else {
-                        self.on_lsp_work_start(server_id, token.clone(), cx);
+        let progress = match progress.value {
+            lsp::ProgressParamsValue::WorkDone(value) => value,
+        };
+        let language_server_status =
+            if let Some(status) = self.language_server_statuses.get_mut(&server_id) {
+                status
+            } else {
+                return;
+            };
+        match progress {
+            lsp::WorkDoneProgress::Begin(_) => {
+                if Some(token.as_str()) == disk_based_diagnostics_progress_token {
+                    language_server_status.pending_diagnostic_updates += 1;
+                    if language_server_status.pending_diagnostic_updates == 1 {
+                        self.disk_based_diagnostics_started(cx);
                         self.broadcast_language_server_update(
                             server_id,
-                            proto::update_language_server::Variant::WorkStart(
-                                proto::LspWorkStart { token },
+                            proto::update_language_server::Variant::DiskBasedDiagnosticsUpdating(
+                                proto::LspDiskBasedDiagnosticsUpdating {},
                             ),
                         );
                     }
+                } else {
+                    self.on_lsp_work_start(server_id, token.clone(), cx);
+                    self.broadcast_language_server_update(
+                        server_id,
+                        proto::update_language_server::Variant::WorkStart(proto::LspWorkStart {
+                            token,
+                        }),
+                    );
                 }
-                lsp::WorkDoneProgress::Report(report) => {
-                    if Some(token.as_str()) != disk_based_diagnostics_progress_token {
-                        self.on_lsp_work_progress(
-                            server_id,
-                            token.clone(),
-                            LanguageServerProgress {
-                                message: report.message.clone(),
-                                percentage: report.percentage.map(|p| p as usize),
-                                last_update_at: Instant::now(),
+            }
+            lsp::WorkDoneProgress::Report(report) => {
+                if Some(token.as_str()) != disk_based_diagnostics_progress_token {
+                    self.on_lsp_work_progress(
+                        server_id,
+                        token.clone(),
+                        LanguageServerProgress {
+                            message: report.message.clone(),
+                            percentage: report.percentage.map(|p| p as usize),
+                            last_update_at: Instant::now(),
+                        },
+                        cx,
+                    );
+                    self.broadcast_language_server_update(
+                        server_id,
+                        proto::update_language_server::Variant::WorkProgress(
+                            proto::LspWorkProgress {
+                                token,
+                                message: report.message,
+                                percentage: report.percentage.map(|p| p as u32),
                             },
-                            cx,
-                        );
-                        self.broadcast_language_server_update(
-                            server_id,
-                            proto::update_language_server::Variant::WorkProgress(
-                                proto::LspWorkProgress {
-                                    token,
-                                    message: report.message,
-                                    percentage: report.percentage.map(|p| p as u32),
-                                },
-                            ),
-                        );
-                    }
+                        ),
+                    );
                 }
-                lsp::WorkDoneProgress::End(_) => {
-                    if Some(token.as_str()) == disk_based_diagnostics_progress_token {
-                        let language_server_status = if let Some(status) =
-                            self.language_server_statuses.get_mut(&server_id)
-                        {
-                            status
-                        } else {
-                            return;
-                        };
-
-                        language_server_status.pending_diagnostic_updates -= 1;
-                        if language_server_status.pending_diagnostic_updates == 0 {
-                            self.disk_based_diagnostics_finished(cx);
-                            self.broadcast_language_server_update(
-                                server_id,
-                                proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
-                                    proto::LspDiskBasedDiagnosticsUpdated {},
-                                ),
-                            );
-                        }
-                    } else {
-                        self.on_lsp_work_end(server_id, token.clone(), cx);
+            }
+            lsp::WorkDoneProgress::End(_) => {
+                if Some(token.as_str()) == disk_based_diagnostics_progress_token {
+                    language_server_status.pending_diagnostic_updates -= 1;
+                    if language_server_status.pending_diagnostic_updates == 0 {
+                        self.disk_based_diagnostics_finished(cx);
                         self.broadcast_language_server_update(
                             server_id,
-                            proto::update_language_server::Variant::WorkEnd(proto::LspWorkEnd {
-                                token,
-                            }),
+                            proto::update_language_server::Variant::DiskBasedDiagnosticsUpdated(
+                                proto::LspDiskBasedDiagnosticsUpdated {},
+                            ),
                         );
                     }
+                } else {
+                    self.on_lsp_work_end(server_id, token.clone(), cx);
+                    self.broadcast_language_server_update(
+                        server_id,
+                        proto::update_language_server::Variant::WorkEnd(proto::LspWorkEnd {
+                            token,
+                        }),
+                    );
                 }
-            },
+            }
         }
     }