fix #40713.

src/vs/editor/contrib/find/findController.ts

@@ -473,6 +473,14 @@ export class FindController extends CommonFindController implements IFindControl
 		this._widget = this._register(new FindWidget(this._editor, this, this._state, this._contextViewService, this._keybindingService, this._contextKeyService, this._themeService, this._storageService, this._notificationService));
 		this._findOptionsWidget = this._register(new FindOptionsWidget(this._editor, this._state, this._keybindingService, this._themeService));
 	}
+
+	saveViewState(): any {
+		return this._widget?.getViewState();
+	}
+
+	restoreViewState(state: any): void {
+		this._widget?.setViewState(state);
+	}
 }
 
 export class StartFindAction extends MultiEditorAction {

src/vs/editor/contrib/find/findWidget.ts

@@ -582,7 +582,7 @@ export class FindWidget extends Widget implements IOverlayWidget, IVerticalSashL
 		}
 	}
 
-	private _layoutViewZone() {
+	private _layoutViewZone(targetScrollTop?: number) {
 		const addExtraSpaceOnTop = this._codeEditor.getOption(EditorOption.find).addExtraSpaceOnTop;
 
 		if (!addExtraSpaceOnTop) {
@@ -602,7 +602,7 @@ export class FindWidget extends Widget implements IOverlayWidget, IVerticalSashL
 			viewZone.heightInPx = this._getHeight();
 			this._viewZoneId = accessor.addZone(viewZone);
 			// scroll top adjust to make sure the editor doesn't scroll when adding viewzone at the beginning.
-			this._codeEditor.setScrollTop(this._codeEditor.getScrollTop() + viewZone.heightInPx);
+			this._codeEditor.setScrollTop(targetScrollTop || this._codeEditor.getScrollTop() + viewZone.heightInPx);
 		});
 	}
 
@@ -1266,6 +1266,29 @@ export class FindWidget extends Widget implements IOverlayWidget, IVerticalSashL
 		const value = this._codeEditor.getOption(EditorOption.accessibilitySupport);
 		this._findInput.setFocusInputOnOptionClick(value !== AccessibilitySupport.Enabled);
 	}
+
+	getViewState() {
+		let widgetViewZoneVisible = false;
+		if (this._viewZone && this._viewZoneId) {
+			widgetViewZoneVisible = this._viewZone.heightInPx > this._codeEditor.getScrollTop();
+		}
+
+		return {
+			widgetViewZoneVisible,
+			scrollTop: this._codeEditor.getScrollTop()
+		};
+	}
+
+	setViewState(state?: { widgetViewZoneVisible: boolean; scrollTop: number }) {
+		if (!state) {
+			return;
+		}
+
+		if (state.widgetViewZoneVisible) {
+			// we should add the view zone
+			this._layoutViewZone(state.scrollTop);
+		}
+	}
 }
 
 export interface ISimpleButtonOpts {