Enumerate all available ASCII Carbon Keyboard Layouts.

listCarbonKeyboardLayouts.swift

// Copyright (c) 2011 and onwards The OpenVanilla Project (MIT License).
// All possible vChewing-specific modifications are of:
// (c) 2021 and onwards The vChewing Project (MIT-NTL License).
/*
Permission is hereby granted, free of charge, to any person obtaining a copy of
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subject to the following conditions:

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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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#!/usr/bin/swift

import Carbon
import Cocoa

enum IME {
// MARK: - 準備枚舉系統內所有的 ASCII 鍵盤佈局
	struct CarbonKeyboardLayout {
		var strName: String = ""
		var strValue: String = ""
	}
	static var arrEnumerateSystemKeyboardLayouts: [IME.CarbonKeyboardLayout] {
		// 提前塞入 macOS 內建的兩款動態鍵盤佈局
		var arrKeyLayouts: [IME.CarbonKeyboardLayout] = []
		arrKeyLayouts += [
			IME.CarbonKeyboardLayout.init(
				strName: NSLocalizedString("Apple Chewing - Dachen", comment: ""),
				strValue: "com.apple.keylayout.ZhuyinBopomofo"),
			IME.CarbonKeyboardLayout.init(
				strName: NSLocalizedString("Apple Chewing - Eten Traditional", comment: ""),
				strValue: "com.apple.keylayout.ZhuyinEten"),
		]

		// 準備枚舉系統內所有的 ASCII 鍵盤佈局
		var arrKeyLayoutsASCII: [IME.CarbonKeyboardLayout] = []
		let list = TISCreateInputSourceList(nil, true).takeRetainedValue() as! [TISInputSource]
		for source in list {
			if let ptrCategory = TISGetInputSourceProperty(source, kTISPropertyInputSourceCategory) {
				let category = Unmanaged<CFString>.fromOpaque(ptrCategory).takeUnretainedValue()
				if category != kTISCategoryKeyboardInputSource {
					continue
				}
			} else {
				continue
			}

			if let ptrASCIICapable = TISGetInputSourceProperty(
				source, kTISPropertyInputSourceIsASCIICapable)
			{
				let asciiCapable = Unmanaged<CFBoolean>.fromOpaque(ptrASCIICapable)
					.takeUnretainedValue()
				if asciiCapable != kCFBooleanTrue {
					continue
				}
			} else {
				continue
			}

			if let ptrSourceType = TISGetInputSourceProperty(source, kTISPropertyInputSourceType) {
				let sourceType = Unmanaged<CFString>.fromOpaque(ptrSourceType).takeUnretainedValue()
				if sourceType != kTISTypeKeyboardLayout {
					continue
				}
			} else {
				continue
			}

			guard let ptrSourceID = TISGetInputSourceProperty(source, kTISPropertyInputSourceID),
				let localizedNamePtr = TISGetInputSourceProperty(source, kTISPropertyLocalizedName)
			else {
				continue
			}

			let sourceID = String(Unmanaged<CFString>.fromOpaque(ptrSourceID).takeUnretainedValue())
			let localizedName = String(
				Unmanaged<CFString>.fromOpaque(localizedNamePtr).takeUnretainedValue())

			arrKeyLayoutsASCII += [
				IME.CarbonKeyboardLayout.init(strName: localizedName, strValue: sourceID)
			]
		}
		arrKeyLayouts += arrKeyLayoutsASCII.sorted { $0.strValue < $1.strValue }
		return arrKeyLayouts
	}

}

print(IME.arrEnumerateSystemKeyboardLayouts)