Fix #100328: search view: preserve last focused item

src/vs/workbench/contrib/search/browser/searchView.ts

@@ -110,6 +110,7 @@ export class SearchView extends ViewPane {
 	private folderMatchFocused: IContextKey<boolean>;
 	private matchFocused: IContextKey<boolean>;
 	private hasSearchResultsKey: IContextKey<boolean>;
+	private lastFocusState: 'input' | 'tree' = 'input';
 
 	private state: SearchUIState = SearchUIState.Idle;
 
@@ -376,6 +377,9 @@ export class SearchView extends ViewPane {
 				this.updateActions();
 				this.updatedActionsWhileHidden = false;
 			}
+		} else {
+			// Reset last focus to input to preserve opening the viewlet always focusing the query editor.
+			this.lastFocusState = 'input';
 		}
 
 		// Enable highlights if there are searchresults
@@ -476,6 +480,7 @@ export class SearchView extends ViewPane {
 
 	private trackInputBox(inputFocusTracker: dom.IFocusTracker, contextKey?: IContextKey<boolean>): void {
 		this._register(inputFocusTracker.onDidFocus(() => {
+			this.lastFocusState = 'input';
 			this.inputBoxFocused.set(true);
 			if (contextKey) {
 				contextKey.set(true);
@@ -751,6 +756,7 @@ export class SearchView extends ViewPane {
 				this.matchFocused.set(focus instanceof Match);
 				this.fileMatchOrFolderMatchFocus.set(focus instanceof FileMatch || focus instanceof FolderMatch);
 				this.fileMatchOrFolderMatchWithResourceFocus.set(focus instanceof FileMatch || focus instanceof FolderMatchWithResource);
+				this.lastFocusState = 'tree';
 			}
 		}));
 
@@ -874,8 +880,12 @@ export class SearchView extends ViewPane {
 
 	focus(): void {
 		super.focus();
-		const updatedText = this.searchConfig.seedOnFocus ? this.updateTextFromSelection({ allowSearchOnType: false }) : false;
-		this.searchWidget.focus(undefined, undefined, updatedText);
+		if (this.lastFocusState === 'input' || !this.hasSearchResults()) {
+			const updatedText = this.searchConfig.seedOnFocus ? this.updateTextFromSelection({ allowSearchOnType: false }) : false;
+			this.searchWidget.focus(undefined, undefined, updatedText);
+		} else {
+			this.tree.domFocus();
+		}
 	}
 
 	updateTextFromSelection({ allowUnselectedWord = true, allowSearchOnType = true }): boolean {