fix updating items in the quick-pick menu

packages/core/src/browser/quick-input/quick-input-service.ts

@@ -206,6 +206,7 @@ export interface QuickInputService {
         Promise<(O extends { canPickMany: true } ? T[] : T) | undefined>;
     showQuickPick<T extends QuickPickItem>(items: Array<T>, options?: QuickPickOptions<T>): Promise<T>;
     hide(): void;
+    getCurrentInput(): QuickInput | undefined;
 }
 
 /**

packages/monaco/src/browser/monaco-quick-input-service.ts

@@ -16,8 +16,19 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 import {
-    InputBox, InputOptions, KeybindingRegistry, PickOptions,
-    QuickInputButton, QuickInputService, QuickPick, QuickPickItem, QuickPickItemButtonEvent, QuickPickItemHighlights, QuickPickOptions, QuickPickSeparator
+    InputBox,
+    InputOptions,
+    KeybindingRegistry,
+    PickOptions,
+    QuickInput,
+    QuickInputButton,
+    QuickInputService,
+    QuickPick,
+    QuickPickItem,
+    QuickPickItemButtonEvent,
+    QuickPickItemHighlights,
+    QuickPickOptions,
+    QuickPickSeparator
 } from '@theia/core/lib/browser';
 import { CancellationToken, Event } from '@theia/core/lib/common';
 import { injectable, inject } from '@theia/core/shared/inversify';
@@ -162,6 +173,7 @@ export class MonacoQuickInputImplementation implements monaco.quickInput.IQuickI
 export class MonacoQuickInputService implements QuickInputService {
     @inject(MonacoQuickInputImplementation)
     private monacoService: MonacoQuickInputImplementation;
+    private quickInput: QuickInput;
 
     @inject(KeybindingRegistry)
     protected readonly keybindingRegistry: KeybindingRegistry;
@@ -190,9 +202,10 @@ export class MonacoQuickInputService implements QuickInputService {
     }
 
     showQuickPick<T extends QuickPickItem>(items: T[], options?: QuickPickOptions<T>): Promise<T> {
+        const quickPick = this.monacoService.createQuickPick<MonacoQuickPickItem<T>>();
+        const wrapped = this.wrapQuickPick(quickPick);
+        this.quickInput = wrapped;
         return new Promise<T>((resolve, reject) => {
-            const quickPick = this.monacoService.createQuickPick<MonacoQuickPickItem<T>>();
-            const wrapped = this.wrapQuickPick(quickPick);
 
             if (options) {
                 wrapped.canSelectMany = !!options.canSelectMany;
@@ -272,6 +285,10 @@ export class MonacoQuickInputService implements QuickInputService {
     hide(): void {
         return this.monacoService.hide();
     }
+
+    getCurrentInput(): QuickInput | undefined {
+        return this.quickInput;
+    }
 }
 
 class MonacoQuickInput {

packages/plugin-ext/src/main/browser/quick-open-main.ts

@@ -336,6 +336,10 @@ export class QuickOpenMainImpl implements QuickOpenMain, Disposable {
             matchOnLabel: true,
             runIfSingle: false,
         });
+        const input = this.quickInputService.getCurrentInput();
+        if (input) {
+            this.sessions.set(sessionId, { input, handlesToItems: new Map() });
+        }
     }
 
     $hide(): void {

packages/plugin-ext/src/plugin/quick-open.ts

@@ -616,6 +616,7 @@ export class QuickPickExt<T extends theia.QuickPickItem> extends QuickInputExt i
             this._handlesToItems.set(i, item);
             this._itemsToHandles.set(item, i);
         });
+        items.forEach((item, i) => Object.assign(item, { handle: i }));
         this.update({
             items
         });