prevent typelabel from scrolling list

src/vs/base/browser/dnd.ts

@@ -90,6 +90,19 @@ export interface IDragAndDropData {
 	getData(): any;
 }
 
+export class DragAndDropData<T> implements IDragAndDropData {
+
+	constructor(private data: T) { }
+
+	update(): void {
+		// noop
+	}
+
+	getData(): T {
+		return this.data;
+	}
+}
+
 export interface IStaticDND {
 	CurrentDragAndDropData: IDragAndDropData | undefined;
 }

src/vs/base/browser/ui/list/listView.ts

@@ -636,6 +636,11 @@ export class ListView<T> implements ISpliceable<T>, IDisposable {
 
 	private onDragOver(event: IListDragEvent<T>): boolean {
 		this.onDragLeaveTimeout.dispose();
+
+		if (StaticDND.CurrentDragAndDropData && StaticDND.CurrentDragAndDropData.getData() === 'vscode-ui') {
+			return false;
+		}
+
 		this.setupDragAndDropScrollTopAnimation(event.browserEvent);
 
 		if (!event.browserEvent.dataTransfer) {

src/vs/base/browser/ui/tree/abstractTree.ts

@@ -13,7 +13,7 @@ import { StandardKeyboardEvent, IKeyboardEvent } from 'vs/base/browser/keyboardE
 import { KeyCode } from 'vs/base/common/keyCodes';
 import { ITreeModel, ITreeNode, ITreeRenderer, ITreeEvent, ITreeMouseEvent, ITreeContextMenuEvent, ITreeFilter, ITreeNavigator, ICollapseStateChangeEvent, ITreeDragAndDrop, TreeDragOverBubble, TreeVisibility, TreeFilterResult } from 'vs/base/browser/ui/tree/tree';
 import { ISpliceable } from 'vs/base/common/sequence';
-import { IDragAndDropData } from 'vs/base/browser/dnd';
+import { IDragAndDropData, StaticDND, DragAndDropData } from 'vs/base/browser/dnd';
 import { range } from 'vs/base/common/arrays';
 import { ElementsDragAndDropData } from 'vs/base/browser/ui/list/listView';
 import { domEvent } from 'vs/base/browser/event';
@@ -456,6 +456,9 @@ class TypeFilterController<T, TFilterData> implements IDisposable {
 
 		domEvent(document, 'dragover')(onDragOver, null, disposables);
 		domEvent(this.domNode, 'dragend')(onDragEnd, null, disposables);
+
+		StaticDND.CurrentDragAndDropData = new DragAndDropData('vscode-ui');
+		disposables.push(toDisposable(() => StaticDND.CurrentDragAndDropData = undefined));
 	}
 
 	dispose() {