From b26e0bcf39c1b8faaf770265391b5a387d1d9172 Mon Sep 17 00:00:00 2001
From: rebornix <penn.lv@gmail.com>
Date: Tue, 26 May 2020 08:07:51 -0700
Subject: [PATCH] send out missing selection change event when moving cells.

---
 src/vs/workbench/api/browser/mainThreadNotebook.ts        | 1 +
 .../contrib/notebook/browser/contrib/coreActions.ts       | 8 ++++----
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/vs/workbench/api/browser/mainThreadNotebook.ts b/src/vs/workbench/api/browser/mainThreadNotebook.ts
index e9f673616bf..54e67c584d3 100644
--- a/src/vs/workbench/api/browser/mainThreadNotebook.ts
+++ b/src/vs/workbench/api/browser/mainThreadNotebook.ts
@@ -35,6 +35,7 @@ export class MainThreadNotebookDocument extends Disposable {
 		this._textModel = new NotebookTextModel(handle, viewType, uri);
 		this._register(this._textModel.onDidModelChange(e => {
 			this._proxy.$acceptModelChanged(this.uri, e);
+			this._proxy.$acceptEditorPropertiesChanged(uri, { selections: { selections: this._textModel.selections }, metadata: null });
 		}));
 		this._register(this._textModel.onDidSelectionChange(e => {
 			const selectionsChange = e ? { selections: e } : null;
diff --git a/src/vs/workbench/contrib/notebook/browser/contrib/coreActions.ts b/src/vs/workbench/contrib/notebook/browser/contrib/coreActions.ts
index 69d0a1ad357..b997ba59d80 100644
--- a/src/vs/workbench/contrib/notebook/browser/contrib/coreActions.ts
+++ b/src/vs/workbench/contrib/notebook/browser/contrib/coreActions.ts
@@ -469,10 +469,10 @@ export async function changeCellToKind(kind: CellKind, context: INotebookCellAct
 }
 
 export interface INotebookCellActionContext {
-	cellTemplate?: BaseCellRenderTemplate;
-	cell: ICellViewModel;
-	notebookEditor: INotebookEditor;
-	ui?: boolean;
+	readonly cellTemplate?: BaseCellRenderTemplate;
+	readonly cell: ICellViewModel;
+	readonly notebookEditor: INotebookEditor;
+	readonly ui?: boolean;
 }
 
 abstract class InsertCellCommand extends NotebookAction {