Add interface for adding value selection in QuickPick for extension API

src/vs/platform/extensions/common/extensionsApiProposals.ts

@@ -394,6 +394,9 @@ const _allApiProposals = {
 	tunnels: {
 		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.tunnels.d.ts',
 	},
+	valueSelectionInQuickPick: {
+		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.valueSelectionInQuickPick.d.ts',
+	},
 	workspaceTrust: {
 		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.workspaceTrust.d.ts',
 	}

src/vs/workbench/api/common/extHostQuickOpen.ts

@@ -283,6 +283,7 @@ export function createExtHostQuickOpen(mainContext: IMainContext, workspace: IEx
 		private _busy = false;
 		private _ignoreFocusOut = true;
 		private _value = '';
+		private _valueSelection: readonly [number, number] | undefined = undefined;
 		private _placeholder: string | undefined;
 		private _buttons: QuickInputButton[] = [];
 		private _handlesToButtons = new Map<number, QuickInputButton>();
@@ -367,6 +368,15 @@ export function createExtHostQuickOpen(mainContext: IMainContext, workspace: IEx
 			this.update({ value });
 		}
 
+		get valueSelection() {
+			return this._valueSelection;
+		}
+
+		set valueSelection(valueSelection: readonly [number, number] | undefined) {
+			this._valueSelection = valueSelection;
+			this.update({ valueSelection });
+		}
+
 		get placeholder() {
 			return this._placeholder;
 		}
@@ -713,7 +723,6 @@ export function createExtHostQuickOpen(mainContext: IMainContext, workspace: IEx
 
 		private _password = false;
 		private _prompt: string | undefined;
-		private _valueSelection: readonly [number, number] | undefined;
 		private _validationMessage: string | InputBoxValidationMessage | undefined;
 
 		constructor(extension: IExtensionDescription, onDispose: () => void) {
@@ -739,15 +748,6 @@ export function createExtHostQuickOpen(mainContext: IMainContext, workspace: IEx
 			this.update({ prompt });
 		}
 
-		get valueSelection() {
-			return this._valueSelection;
-		}
-
-		set valueSelection(valueSelection: readonly [number, number] | undefined) {
-			this._valueSelection = valueSelection;
-			this.update({ valueSelection });
-		}
-
 		get validationMessage() {
 			return this._validationMessage;
 		}

src/vscode-dts/vscode.proposed.valueSelectionInQuickPick.d.ts

@@ -0,0 +1,21 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+declare module 'vscode' {
+	// @CrafterKolyan https://github.com/microsoft/vscode/issues/233274
+
+	export interface QuickPick<T> {
+		/**
+		 * Selection range in the input value. Defined as tuple of two number where the
+		 * first is the inclusive start index and the second the exclusive end index. When
+		 * `undefined` the whole pre-filled value will be selected, when empty (start equals end)
+		 * only the cursor will be set, otherwise the defined range will be selected.
+		 *
+		 * This property does not get updated when the user types or makes a selection,
+		 * but it can be updated by the extension.
+		 */
+		valueSelection: readonly [number, number] | undefined;
+	}
+}