Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/src/vs/platform/keybinding/common/usLayoutResolvedKeybinding.ts

@@ -0,0 +1,114 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { KeyCode, KeyCodeUtils, Keybinding, SimpleKeybinding } from 'vs/base/common/keyCodes';
+import { OperatingSystem } from 'vs/base/common/platform';
+import { BaseResolvedKeybinding } from 'vs/platform/keybinding/common/baseResolvedKeybinding';
+
+/**
+ * Do not instantiate. Use KeybindingService to get a ResolvedKeybinding seeded with information about the current kb layout.
+ */
+export class USLayoutResolvedKeybinding extends BaseResolvedKeybinding<SimpleKeybinding> {
+
+	constructor(actual: Keybinding, os: OperatingSystem) {
+		super(os, actual.parts);
+	}
+
+	private _keyCodeToUILabel(keyCode: KeyCode): string {
+		if (this._os === OperatingSystem.Macintosh) {
+			switch (keyCode) {
+				case KeyCode.LeftArrow:
+					return '←';
+				case KeyCode.UpArrow:
+					return '↑';
+				case KeyCode.RightArrow:
+					return '→';
+				case KeyCode.DownArrow:
+					return '↓';
+			}
+		}
+		return KeyCodeUtils.toString(keyCode);
+	}
+
+	protected _getLabel(keybinding: SimpleKeybinding): string | null {
+		if (keybinding.isDuplicateModifierCase()) {
+			return '';
+		}
+		return this._keyCodeToUILabel(keybinding.keyCode);
+	}
+
+	protected _getAriaLabel(keybinding: SimpleKeybinding): string | null {
+		if (keybinding.isDuplicateModifierCase()) {
+			return '';
+		}
+		return KeyCodeUtils.toString(keybinding.keyCode);
+	}
+
+	private _keyCodeToElectronAccelerator(keyCode: KeyCode): string | null {
+		if (keyCode >= KeyCode.NUMPAD_0 && keyCode <= KeyCode.NUMPAD_DIVIDE) {
+			// Electron cannot handle numpad keys
+			return null;
+		}
+
+		switch (keyCode) {
+			case KeyCode.UpArrow:
+				return 'Up';
+			case KeyCode.DownArrow:
+				return 'Down';
+			case KeyCode.LeftArrow:
+				return 'Left';
+			case KeyCode.RightArrow:
+				return 'Right';
+		}
+
+		return KeyCodeUtils.toString(keyCode);
+	}
+
+	protected _getElectronAccelerator(keybinding: SimpleKeybinding): string | null {
+		if (keybinding.isDuplicateModifierCase()) {
+			return null;
+		}
+		return this._keyCodeToElectronAccelerator(keybinding.keyCode);
+	}
+
+	protected _getUserSettingsLabel(keybinding: SimpleKeybinding): string | null {
+		if (keybinding.isDuplicateModifierCase()) {
+			return '';
+		}
+		const result = KeyCodeUtils.toUserSettingsUS(keybinding.keyCode);
+		return (result ? result.toLowerCase() : result);
+	}
+
+	protected _isWYSIWYG(): boolean {
+		return true;
+	}
+
+	protected _getDispatchPart(keybinding: SimpleKeybinding): string | null {
+		return USLayoutResolvedKeybinding.getDispatchStr(keybinding);
+	}
+
+	public static getDispatchStr(keybinding: SimpleKeybinding): string | null {
+		if (keybinding.isModifierKey()) {
+			return null;
+		}
+		let result = '';
+
+		if (keybinding.ctrlKey) {
+			result += 'ctrl+';
+		}
+		if (keybinding.shiftKey) {
+			result += 'shift+';
+		}
+		if (keybinding.altKey) {
+			result += 'alt+';
+		}
+		if (keybinding.metaKey) {
+			result += 'meta+';
+		}
+		result += KeyCodeUtils.toString(keybinding.keyCode);
+
+		return result;
+	}
+}