update nb diff editor options.

src/vs/workbench/contrib/notebook/browser/diff/cellComponents.ts

@@ -20,8 +20,7 @@ import { applyEdits } from 'vs/base/common/jsonEdit';
 import { NotebookCellMetadata } from 'vs/workbench/contrib/notebook/common/notebookCommon';
 import { hash } from 'vs/base/common/hash';
 
-
-const fixedDiffEditorOptions: IDiffEditorOptions = {
+const fixedEditorOptions: IEditorOptions = {
 	padding: {
 		top: 12,
 		bottom: 12
@@ -41,41 +40,22 @@ const fixedDiffEditorOptions: IDiffEditorOptions = {
 	wordWrap: 'off',
 	lineNumbers: 'off',
 	lineDecorationsWidth: 0,
-	glyphMargin: true,
+	glyphMargin: false,
 	fixedOverflowWidgets: true,
 	minimap: { enabled: false },
 	renderValidationDecorations: 'on',
+	renderLineHighlight: 'none',
+	readOnly: true
+};
+
+const fixedDiffEditorOptions: IDiffEditorOptions = {
+	...fixedEditorOptions,
+	glyphMargin: true,
 	enableSplitViewResizing: false,
 	renderIndicators: false,
-	renderLineHighlight: 'none'
 };
 
-const fixedEditorOptions: IEditorOptions = {
-	padding: {
-		top: 12,
-		bottom: 12
-	},
-	scrollBeyondLastLine: false,
-	scrollbar: {
-		verticalScrollbarSize: 14,
-		horizontal: 'auto',
-		useShadows: true,
-		verticalHasArrows: false,
-		horizontalHasArrows: false,
-		alwaysConsumeMouseWheel: false
-	},
-	renderLineHighlightOnlyWhenFocus: true,
-	overviewRulerLanes: 0,
-	selectOnLineNumbers: false,
-	wordWrap: 'off',
-	lineNumbers: 'off',
-	lineDecorationsWidth: 0,
-	glyphMargin: false,
-	fixedOverflowWidgets: true,
-	minimap: { enabled: false },
-	renderValidationDecorations: 'on',
-	renderLineHighlight: 'none'
-};
+
 
 class PropertyHeader extends Disposable {
 	protected _foldingIndicator!: HTMLElement;
@@ -111,6 +91,7 @@ class PropertyHeader extends Disposable {
 		if (metadataChanged) {
 			this._statusSpan.textContent = this.accessor.changedLabel;
 			this._statusSpan.style.fontWeight = 'bold';
+			DOM.addClass(this.metadataHeaderContainer, 'modified');
 		} else {
 			this._statusSpan.textContent = this.accessor.unChangedLabel;
 		}

src/vs/workbench/contrib/notebook/browser/diff/notebookTextDiffEditor.ts

@@ -390,6 +390,15 @@ registerThemingParticipant((theme, collector) => {
 		);
 	}
 
+	// const changed = theme.getColor(editorGutterModifiedBackground);
+
+	// if (changed) {
+	// 	collector.addRule(`
+	// 		.notebook-text-diff-editor .cell-diff-editor-container .metadata-header-container.modified {
+	// 			background-color: ${changed};
+	// 		}
+	// 	`);
+	// }
 
 	collector.addRule(`.notebook-text-diff-editor .cell-body { margin: ${DIFF_CELL_MARGIN}px; }`);
 });