Project // Reduce the usage of [at]objc.

Source/3rdParty/OpenCCBridge/OpenCCBridge.swift

@@ -46,7 +46,7 @@ public class OpenCCBridge: NSObject {
 	///
 	/// - Parameter string: Text in Original Script.
 	/// - Returns: Text converted to Different Script.
-	@objc public static func crossConvert(_ string: String) -> String? {
+	public static func crossConvert(_ string: String) -> String? {
 		switch ctlInputMethod.currentKeyHandler.inputMode {
 			case InputMode.imeModeCHS:
 				return shared.traditionalize?.convert(string)

Source/Modules/AppDelegate.swift

@@ -76,7 +76,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, ctlNonModalAlertWindowDelega
 		}
 	}
 
-	@objc func showPreferences() {
+	func showPreferences() {
 		if ctlPrefWindowInstance == nil {
 			ctlPrefWindowInstance = ctlPrefWindow.init(windowNibName: "frmPrefWindow")
 		}
@@ -88,7 +88,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, ctlNonModalAlertWindowDelega
 	}
 
 	// New About Window
-	@objc func showAbout() {
+	func showAbout() {
 		if ctlAboutWindowInstance == nil {
 			ctlAboutWindowInstance = ctlAboutWindow.init(windowNibName: "frmAboutWindow")
 		}
@@ -98,12 +98,10 @@ class AppDelegate: NSObject, NSApplicationDelegate, ctlNonModalAlertWindowDelega
 		NSApp.setActivationPolicy(.accessory)
 	}
 
-	@objc(checkForUpdate)
 	func checkForUpdate() {
 		checkForUpdate(forced: false)
 	}
 
-	@objc(checkForUpdateForced:)
 	func checkForUpdate(forced: Bool) {
 		if checkTask != nil {
 			// busy

Source/Modules/ControllerModules/AppleKeyboardConverter.swift

@@ -39,12 +39,12 @@ class AppleKeyboardConverter: NSObject {
 		"org.unknown.keylayout.vChewingIBM",
 		"org.unknown.keylayout.vChewingMiTAC",
 	]
-	@objc class func isDynamicBasicKeyboardLayoutEnabled() -> Bool {
+	class func isDynamicBasicKeyboardLayoutEnabled() -> Bool {
 		AppleKeyboardConverter.arrDynamicBasicKeyLayout.contains(mgrPrefs.basicKeyboardLayout)
 	}
 
 	// 處理 Apple 注音鍵盤佈局類型。
-	@objc class func cnvApple2ABC(_ charCode: UniChar) -> UniChar {
+	class func cnvApple2ABC(_ charCode: UniChar) -> UniChar {
 		var charCode = charCode
 		// 在按鍵資訊被送往 OVMandarin 之前，先轉換為可以被 OVMandarin 正常處理的資訊。
 		if isDynamicBasicKeyboardLayoutEnabled() {
@@ -185,7 +185,7 @@ class AppleKeyboardConverter: NSObject {
 		return charCode
 	}
 
-	@objc class func cnvStringApple2ABC(_ strProcessed: String) -> String {
+	class func cnvStringApple2ABC(_ strProcessed: String) -> String {
 		var strProcessed = strProcessed
 		if isDynamicBasicKeyboardLayoutEnabled() {
 			// 針對不同的 Apple 動態鍵盤佈局糾正大寫英文輸入。

Source/Modules/ControllerModules/InputHandler.swift

@@ -29,7 +29,7 @@ import Cocoa
 // Use KeyCodes as much as possible since its recognition won't be affected by macOS Base Keyboard Layouts.
 // KeyCodes: https://eastmanreference.com/complete-list-of-applescript-key-codes
 // Also: HIToolbox.framework/Versions/A/Headers/Events.h
-@objc enum KeyCode: UInt16 {
+enum KeyCode: UInt16 {
 	case kNone = 0
 	case kCarriageReturn = 36  // Renamed from "kReturn" to avoid nomenclatural confusions.
 	case kTab = 48
@@ -91,11 +91,11 @@ enum CharCode: UInt /* 16 */ {
 }
 
 class InputHandler: NSObject {
-	@objc private(set) var useVerticalMode: Bool
+	private(set) var useVerticalMode: Bool
-	@objc private(set) var inputText: String?
+	private(set) var inputText: String?
-	@objc private(set) var inputTextIgnoringModifiers: String?
+	private(set) var inputTextIgnoringModifiers: String?
-	@objc private(set) var charCode: UInt16
+	private(set) var charCode: UInt16
-	@objc private(set) var keyCode: UInt16
+	private(set) var keyCode: UInt16
 	private var isFlagChanged: Bool
 	private var flags: NSEvent.ModifierFlags
 	private var cursorForwardKey: KeyCode
@@ -104,9 +104,9 @@ class InputHandler: NSObject {
 	private var extraChooseCandidateKeyReverse: KeyCode
 	private var absorbedArrowKey: KeyCode
 	private var verticalModeOnlyChooseCandidateKey: KeyCode
-	@objc private(set) var emacsKey: vChewingEmacsKey
+	private(set) var emacsKey: vChewingEmacsKey
 
-	@objc init(
+	init(
 		inputText: String?, keyCode: UInt16, charCode: UInt16, flags: NSEvent.ModifierFlags,
 		isVerticalMode: Bool, inputTextIgnoringModifiers: String? = nil
 	) {
@@ -133,7 +133,7 @@ class InputHandler: NSObject {
 		super.init()
 	}
 
-	@objc init(event: NSEvent, isVerticalMode: Bool) {
+	init(event: NSEvent, isVerticalMode: Bool) {
 		inputText = AppleKeyboardConverter.cnvStringApple2ABC(event.characters ?? "")
 		inputTextIgnoringModifiers = AppleKeyboardConverter.cnvStringApple2ABC(
 			event.charactersIgnoringModifiers ?? "")
@@ -172,143 +172,143 @@ class InputHandler: NSObject {
 			"<\(super.description) inputText:\(String(describing: inputText)), inputTextIgnoringModifiers:\(String(describing: inputTextIgnoringModifiers)) charCode:\(charCode), keyCode:\(keyCode), flags:\(flags), cursorForwardKey:\(cursorForwardKey), cursorBackwardKey:\(cursorBackwardKey), extraChooseCandidateKey:\(extraChooseCandidateKey), extraChooseCandidateKeyReverse:\(extraChooseCandidateKeyReverse), absorbedArrowKey:\(absorbedArrowKey),  verticalModeOnlyChooseCandidateKey:\(verticalModeOnlyChooseCandidateKey), emacsKey:\(emacsKey), useVerticalMode:\(useVerticalMode)>"
 	}
 
-	@objc var isShiftHold: Bool {
+	var isShiftHold: Bool {
 		flags.contains([.shift])
 	}
 
-	@objc var isCommandHold: Bool {
+	var isCommandHold: Bool {
 		flags.contains([.command])
 	}
 
-	@objc var isControlHold: Bool {
+	var isControlHold: Bool {
 		flags.contains([.control])
 	}
 
-	@objc var isControlHotKey: Bool {
+	var isControlHotKey: Bool {
 		flags.contains([.control]) && inputText?.first?.isLetter ?? false
 	}
 
-	@objc var isOptionHotKey: Bool {
+	var isOptionHotKey: Bool {
 		flags.contains([.option]) && inputText?.first?.isLetter ?? false
 	}
 
-	@objc var isOptionHold: Bool {
+	var isOptionHold: Bool {
 		flags.contains([.option])
 	}
 
-	@objc var isCapsLockOn: Bool {
+	var isCapsLockOn: Bool {
 		flags.contains([.capsLock])
 	}
 
-	@objc var isNumericPad: Bool {
+	var isNumericPad: Bool {
 		flags.contains([.numericPad])
 	}
 
-	@objc var isFunctionKeyHold: Bool {
+	var isFunctionKeyHold: Bool {
 		flags.contains([.function])
 	}
 
-	@objc var isReservedKey: Bool {
+	var isReservedKey: Bool {
 		guard let code = KeyCode(rawValue: keyCode) else {
 			return false
 		}
 		return code.rawValue != KeyCode.kNone.rawValue
 	}
 
-	@objc var isTab: Bool {
+	var isTab: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kTab
 	}
 
-	@objc var isEnter: Bool {
+	var isEnter: Bool {
 		(KeyCode(rawValue: keyCode) == KeyCode.kCarriageReturn)
 			|| (KeyCode(rawValue: keyCode) == KeyCode.kLineFeed)
 	}
 
-	@objc var isUp: Bool {
+	var isUp: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kUpArrow
 	}
 
-	@objc var isDown: Bool {
+	var isDown: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kDownArrow
 	}
 
-	@objc var isLeft: Bool {
+	var isLeft: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kLeftArrow
 	}
 
-	@objc var isRight: Bool {
+	var isRight: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kRightArrow
 	}
 
-	@objc var isPageUp: Bool {
+	var isPageUp: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kPageUp
 	}
 
-	@objc var isPageDown: Bool {
+	var isPageDown: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kPageDown
 	}
 
-	@objc var isSpace: Bool {
+	var isSpace: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kSpace
 	}
 
-	@objc var isBackSpace: Bool {
+	var isBackSpace: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kBackSpace
 	}
 
-	@objc var isESC: Bool {
+	var isESC: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kEscape
 	}
 
-	@objc var isHome: Bool {
+	var isHome: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kHome
 	}
 
-	@objc var isEnd: Bool {
+	var isEnd: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kEnd
 	}
 
-	@objc var isDelete: Bool {
+	var isDelete: Bool {
 		KeyCode(rawValue: keyCode) == KeyCode.kWindowDelete
 	}
 
-	@objc var isCursorBackward: Bool {
+	var isCursorBackward: Bool {
 		KeyCode(rawValue: keyCode) == cursorBackwardKey
 	}
 
-	@objc var isCursorForward: Bool {
+	var isCursorForward: Bool {
 		KeyCode(rawValue: keyCode) == cursorForwardKey
 	}
 
-	@objc var isAbsorbedArrowKey: Bool {
+	var isAbsorbedArrowKey: Bool {
 		KeyCode(rawValue: keyCode) == absorbedArrowKey
 	}
 
-	@objc var isExtraChooseCandidateKey: Bool {
+	var isExtraChooseCandidateKey: Bool {
 		KeyCode(rawValue: keyCode) == extraChooseCandidateKey
 	}
 
-	@objc var isExtraChooseCandidateKeyReverse: Bool {
+	var isExtraChooseCandidateKeyReverse: Bool {
 		KeyCode(rawValue: keyCode) == extraChooseCandidateKeyReverse
 	}
 
-	@objc var isVerticalModeOnlyChooseCandidateKey: Bool {
+	var isVerticalModeOnlyChooseCandidateKey: Bool {
 		KeyCode(rawValue: keyCode) == verticalModeOnlyChooseCandidateKey
 	}
 
-	@objc var isUpperCaseASCIILetterKey: Bool {
+	var isUpperCaseASCIILetterKey: Bool {
 		// 這裡必須加上「flags == .shift」，否則會出現某些情況下輸入法「誤判當前鍵入的非 Shift 字符為大寫」的問題。
 		charCode >= 65 && charCode <= 90 && flags == .shift
 	}
 
-	@objc var isSymbolMenuPhysicalKey: Bool {
+	var isSymbolMenuPhysicalKey: Bool {
 		// 這裡必須用 KeyCode，這樣才不會受隨 macOS 版本更動的 Apple 動態注音鍵盤排列內容的影響。
 		// 只是必須得與 ![input isShift] 搭配使用才可以（也就是僅判定 Shift 沒被摁下的情形）。
 		KeyCode(rawValue: keyCode) == KeyCode.kSymbolMenuPhysicalKey
 	}
 }
 
-@objc enum vChewingEmacsKey: UInt16 {
+enum vChewingEmacsKey: UInt16 {
 	case none = 0
 	case forward = 6  // F
 	case backward = 2  // B
@@ -319,7 +319,7 @@ class InputHandler: NSObject {
 }
 
 class EmacsKeyHelper: NSObject {
-	@objc static func detect(charCode: UniChar, flags: NSEvent.ModifierFlags) -> vChewingEmacsKey {
+	static func detect(charCode: UniChar, flags: NSEvent.ModifierFlags) -> vChewingEmacsKey {
 		let charCode = AppleKeyboardConverter.cnvApple2ABC(charCode)
 		if flags.contains(.control) {
 			return vChewingEmacsKey(rawValue: charCode) ?? .none

Source/Modules/ControllerModules/InputState.swift

@@ -59,7 +59,6 @@ import Cocoa
 ///   one among the candidates.
 class InputState: NSObject {
 	/// Represents that the input controller is deactivated.
-	@objc(InputStateDeactivated)
 	class Deactivated: InputState {
 		override var description: String {
 			"<InputState.Deactivated>"
@@ -69,9 +68,8 @@ class InputState: NSObject {
 	// MARK: -
 
 	/// Represents that the composing buffer is empty.
-	@objc(InputStateEmpty)
 	class Empty: InputState {
-		@objc var composingBuffer: String {
+		var composingBuffer: String {
 			""
 		}
 
@@ -83,9 +81,8 @@ class InputState: NSObject {
 	// MARK: -
 
 	/// Represents that the composing buffer is empty.
-	@objc(InputStateEmptyIgnoringPreviousState)
 	class EmptyIgnoringPreviousState: InputState {
-		@objc var composingBuffer: String {
+		var composingBuffer: String {
 			""
 		}
 
@@ -97,11 +94,10 @@ class InputState: NSObject {
 	// MARK: -
 
 	/// Represents that the input controller is committing text into client app.
-	@objc(InputStateCommitting)
 	class Committing: InputState {
-		@objc private(set) var poppedText: String = ""
+		private(set) var poppedText: String = ""
 
-		@objc convenience init(poppedText: String) {
+		convenience init(poppedText: String) {
 			self.init()
 			self.poppedText = poppedText
 		}
@@ -114,12 +110,11 @@ class InputState: NSObject {
 	// MARK: -
 
 	/// Represents that the composing buffer is not empty.
-	@objc(InputStateNotEmpty)
 	class NotEmpty: InputState {
-		@objc private(set) var composingBuffer: String
+		private(set) var composingBuffer: String
-		@objc private(set) var cursorIndex: UInt
+		private(set) var cursorIndex: UInt
 
-		@objc init(composingBuffer: String, cursorIndex: UInt) {
+		init(composingBuffer: String, cursorIndex: UInt) {
 			self.composingBuffer = composingBuffer
 			self.cursorIndex = cursorIndex
 		}
@@ -132,16 +127,15 @@ class InputState: NSObject {
 	// MARK: -
 
 	/// Represents that the user is inputting text.
-	@objc(InputStateInputting)
 	class Inputting: NotEmpty {
-		@objc var poppedText: String = ""
+		var poppedText: String = ""
-		@objc var tooltip: String = ""
+		var tooltip: String = ""
 
-		@objc override init(composingBuffer: String, cursorIndex: UInt) {
+		override init(composingBuffer: String, cursorIndex: UInt) {
 			super.init(composingBuffer: composingBuffer, cursorIndex: cursorIndex)
 		}
 
-		@objc var attributedString: NSAttributedString {
+		var attributedString: NSAttributedString {
 			let attributedSting = NSAttributedString(
 				string: composingBuffer,
 				attributes: [
@@ -163,12 +157,11 @@ class InputState: NSObject {
 	private let kMaxMarkRangeLength = mgrPrefs.maxCandidateLength
 
 	/// Represents that the user is marking a range in the composing buffer.
-	@objc(InputStateMarking)
 	class Marking: NotEmpty {
-		@objc private(set) var markerIndex: UInt
+		private(set) var markerIndex: UInt
-		@objc private(set) var markedRange: NSRange
+		private(set) var markedRange: NSRange
-		@objc private var deleteTargetExists = false
+		private var deleteTargetExists = false
-		@objc var tooltip: String {
+		var tooltip: String {
 			if composingBuffer.count != readings.count {
 				TooltipController.backgroundColor = NSColor(
 					red: 0.55, green: 0.00, blue: 0.00, alpha: 1.00
@@ -251,10 +244,10 @@ class InputState: NSObject {
 			)
 		}
 
-		@objc var tooltipForInputting: String = ""
+		var tooltipForInputting: String = ""
-		@objc private(set) var readings: [String]
+		private(set) var readings: [String]
 
-		@objc init(composingBuffer: String, cursorIndex: UInt, markerIndex: UInt, readings: [String]) {
+		init(composingBuffer: String, cursorIndex: UInt, markerIndex: UInt, readings: [String]) {
 			self.markerIndex = markerIndex
 			let begin = min(cursorIndex, markerIndex)
 			let end = max(cursorIndex, markerIndex)
@@ -263,7 +256,7 @@ class InputState: NSObject {
 			super.init(composingBuffer: composingBuffer, cursorIndex: cursorIndex)
 		}
 
-		@objc var attributedString: NSAttributedString {
+		var attributedString: NSAttributedString {
 			let attributedSting = NSMutableAttributedString(string: composingBuffer)
 			let end = markedRange.location + markedRange.length
 
@@ -296,13 +289,13 @@ class InputState: NSObject {
 			"<InputState.Marking, composingBuffer:\(composingBuffer), cursorIndex:\(cursorIndex), markedRange:\(markedRange)>"
 		}
 
-		@objc func convertToInputting() -> Inputting {
+		func convertToInputting() -> Inputting {
 			let state = Inputting(composingBuffer: composingBuffer, cursorIndex: cursorIndex)
 			state.tooltip = tooltipForInputting
 			return state
 		}
 
-		@objc var validToWrite: Bool {
+		var validToWrite: Bool {
 			/// vChewing allows users to input a string whose length differs
 			/// from the amount of Bopomofo readings. In this case, the range
 			/// in the composing buffer and the readings could not match, so
@@ -323,7 +316,7 @@ class InputState: NSObject {
 				&& markedRange.length <= kMaxMarkRangeLength
 		}
 
-		@objc var chkIfUserPhraseExists: Bool {
+		var chkIfUserPhraseExists: Bool {
 			let text = (composingBuffer as NSString).substring(with: markedRange)
 			let (exactBegin, _) = (composingBuffer as NSString).characterIndex(
 				from: markedRange.location)
@@ -337,7 +330,7 @@ class InputState: NSObject {
 				== true
 		}
 
-		@objc var userPhrase: String {
+		var userPhrase: String {
 			let text = (composingBuffer as NSString).substring(with: markedRange)
 			let (exactBegin, _) = (composingBuffer as NSString).characterIndex(
 				from: markedRange.location)
@@ -348,7 +341,7 @@ class InputState: NSObject {
 			return "\(text) \(joined)"
 		}
 
-		@objc var userPhraseConverted: String {
+		var userPhraseConverted: String {
 			let text =
 				OpenCCBridge.crossConvert(
 					(composingBuffer as NSString).substring(with: markedRange)) ?? ""
@@ -366,18 +359,17 @@ class InputState: NSObject {
 	// MARK: -
 
 	/// Represents that the user is choosing in a candidates list.
-	@objc(InputStateChoosingCandidate)
 	class ChoosingCandidate: NotEmpty {
-		@objc private(set) var candidates: [String]
+		private(set) var candidates: [String]
-		@objc private(set) var useVerticalMode: Bool
+		private(set) var useVerticalMode: Bool
 
-		@objc init(composingBuffer: String, cursorIndex: UInt, candidates: [String], useVerticalMode: Bool) {
+		init(composingBuffer: String, cursorIndex: UInt, candidates: [String], useVerticalMode: Bool) {
 			self.candidates = candidates
 			self.useVerticalMode = useVerticalMode
 			super.init(composingBuffer: composingBuffer, cursorIndex: cursorIndex)
 		}
 
-		@objc var attributedString: NSAttributedString {
+		var attributedString: NSAttributedString {
 			let attributedSting = NSAttributedString(
 				string: composingBuffer,
 				attributes: [
@@ -397,11 +389,10 @@ class InputState: NSObject {
 
 	/// Represents that the user is choosing in a candidates list
 	/// in the associated phrases mode.
-	@objc(InputStateAssociatedPhrases)
 	class AssociatedPhrases: InputState {
-		@objc private(set) var candidates: [String] = []
+		private(set) var candidates: [String] = []
-		@objc private(set) var useVerticalMode: Bool = false
+		private(set) var useVerticalMode: Bool = false
-		@objc init(candidates: [String], useVerticalMode: Bool) {
+		init(candidates: [String], useVerticalMode: Bool) {
 			self.candidates = candidates
 			self.useVerticalMode = useVerticalMode
 			super.init()
@@ -412,11 +403,10 @@ class InputState: NSObject {
 		}
 	}
 
-	@objc(InputStateSymbolTable)
 	class SymbolTable: ChoosingCandidate {
-		@objc var node: SymbolNode
+		var node: SymbolNode
 
-		@objc init(node: SymbolNode, useVerticalMode: Bool) {
+		init(node: SymbolNode, useVerticalMode: Bool) {
 			self.node = node
 			let candidates = node.children?.map(\.title) ?? [String]()
 			super.init(
@@ -432,53 +422,53 @@ class InputState: NSObject {
 }
 
 class SymbolNode: NSObject {
-	@objc var title: String
+	var title: String
-	@objc var children: [SymbolNode]?
+	var children: [SymbolNode]?
 
-	@objc init(_ title: String, _ children: [SymbolNode]? = nil) {
+	init(_ title: String, _ children: [SymbolNode]? = nil) {
 		self.title = title
 		self.children = children
 		super.init()
 	}
 
-	@objc init(_ title: String, symbols: String) {
+	init(_ title: String, symbols: String) {
 		self.title = title
 		children = Array(symbols).map { SymbolNode(String($0), nil) }
 		super.init()
 	}
 
-	@objc static let catCommonSymbols = String(
+	static let catCommonSymbols = String(
 		format: NSLocalizedString("catCommonSymbols", comment: ""))
-	@objc static let catHoriBrackets = String(
+	static let catHoriBrackets = String(
 		format: NSLocalizedString("catHoriBrackets", comment: ""))
-	@objc static let catVertBrackets = String(
+	static let catVertBrackets = String(
 		format: NSLocalizedString("catVertBrackets", comment: ""))
-	@objc static let catGreekLetters = String(
+	static let catGreekLetters = String(
 		format: NSLocalizedString("catGreekLetters", comment: ""))
-	@objc static let catMathSymbols = String(
+	static let catMathSymbols = String(
 		format: NSLocalizedString("catMathSymbols", comment: ""))
-	@objc static let catCurrencyUnits = String(
+	static let catCurrencyUnits = String(
 		format: NSLocalizedString("catCurrencyUnits", comment: ""))
-	@objc static let catSpecialSymbols = String(
+	static let catSpecialSymbols = String(
 		format: NSLocalizedString("catSpecialSymbols", comment: ""))
-	@objc static let catUnicodeSymbols = String(
+	static let catUnicodeSymbols = String(
 		format: NSLocalizedString("catUnicodeSymbols", comment: ""))
-	@objc static let catCircledKanjis = String(
+	static let catCircledKanjis = String(
 		format: NSLocalizedString("catCircledKanjis", comment: ""))
-	@objc static let catCircledKataKana = String(
+	static let catCircledKataKana = String(
 		format: NSLocalizedString("catCircledKataKana", comment: ""))
-	@objc static let catBracketKanjis = String(
+	static let catBracketKanjis = String(
 		format: NSLocalizedString("catBracketKanjis", comment: ""))
-	@objc static let catSingleTableLines = String(
+	static let catSingleTableLines = String(
 		format: NSLocalizedString("catSingleTableLines", comment: ""))
-	@objc static let catDoubleTableLines = String(
+	static let catDoubleTableLines = String(
 		format: NSLocalizedString("catDoubleTableLines", comment: ""))
-	@objc static let catFillingBlocks = String(
+	static let catFillingBlocks = String(
 		format: NSLocalizedString("catFillingBlocks", comment: ""))
-	@objc static let catLineSegments = String(
+	static let catLineSegments = String(
 		format: NSLocalizedString("catLineSegments", comment: ""))
 
-	@objc static let root: SymbolNode = .init(
+	static let root: SymbolNode = .init(
 		"/",
 		[
 			SymbolNode("｀"),

Source/Modules/ControllerModules/KeyHandler_Core.swift

@@ -84,7 +84,7 @@ class KeyHandler: NSObject {
 	}
 
 	// 這個函數得獨立出來給 ObjC 使用。
-	@objc func setInputMode(_ value: String) {
+	func setInputMode(_ value: String) {
 		// 下面這句的「isKindOfClass」是做類型檢查，
 		// 為了應對出現輸入法 plist 被改壞掉這樣的極端情況。
 		let isCHS: Bool = (value == InputMode.imeModeCHS.rawValue)

Source/Modules/ControllerModules/NSStringUtils.swift

@@ -47,7 +47,7 @@ extension NSString {
 		return (string.count, string)
 	}
 
-	@objc public func nextUtf16Position(for index: Int) -> Int {
+	public func nextUtf16Position(for index: Int) -> Int {
 		var (fixedIndex, string) = characterIndex(from: index)
 		if fixedIndex < string.count {
 			fixedIndex += 1
@@ -55,7 +55,7 @@ extension NSString {
 		return string[..<string.index(string.startIndex, offsetBy: fixedIndex)].utf16.count
 	}
 
-	@objc public func previousUtf16Position(for index: Int) -> Int {
+	public func previousUtf16Position(for index: Int) -> Int {
 		var (fixedIndex, string) = characterIndex(from: index)
 		if fixedIndex > 0 {
 			fixedIndex -= 1
@@ -63,11 +63,11 @@ extension NSString {
 		return string[..<string.index(string.startIndex, offsetBy: fixedIndex)].utf16.count
 	}
 
-	@objc public var count: Int {
+	public var count: Int {
 		(self as String).count
 	}
 
-	@objc public func split() -> [NSString] {
+	public func split() -> [NSString] {
 		Array(self as String).map {
 			NSString(string: String($0))
 		}

Source/Modules/ControllerModules/vChewingKanjiConverter.swift

@@ -31,7 +31,7 @@ extension String {
 }
 
 class vChewingKanjiConverter: NSObject {
-	@objc class func cnvTradToKangXi(_ strObj: String) -> String {
+	class func cnvTradToKangXi(_ strObj: String) -> String {
 		var strObj = strObj
 		strObj.selfReplace("偽", "僞")
 		strObj.selfReplace("啟", "啓")
@@ -217,7 +217,7 @@ class vChewingKanjiConverter: NSObject {
 		return strObj
 	}
 
-	@objc class func cnvTradToJIS(_ strObj: String) -> String {
+	class func cnvTradToJIS(_ strObj: String) -> String {
 		// 該轉換是由康熙繁體轉換至日語當用漢字的，所以需要先跑一遍康熙轉換。
 		var strObj = cnvTradToKangXi(strObj)
 		strObj.selfReplace("兩", "両")

Source/Modules/IMEModules/IME.swift

@@ -34,7 +34,7 @@ public class IME: NSObject {
 
 	// MARK: - 開關判定當前應用究竟是？
 
-	@objc static var areWeUsingOurOwnPhraseEditor: Bool = false
+	static var areWeUsingOurOwnPhraseEditor: Bool = false
 
 	// MARK: - 自 ctlInputMethod 讀取當前輸入法的簡繁體模式
 
@@ -49,7 +49,7 @@ public class IME: NSObject {
 
 	// MARK: - Print debug information to the console.
 
-	@objc static func prtDebugIntel(_ strPrint: String) {
+	static func prtDebugIntel(_ strPrint: String) {
 		if mgrPrefs.isDebugModeEnabled {
 			NSLog("vChewingErrorCallback: %@", strPrint)
 		}
@@ -57,13 +57,13 @@ public class IME: NSObject {
 
 	// MARK: - Tell whether this IME is running with Root privileges.
 
-	@objc static var isSudoMode: Bool {
+	static var isSudoMode: Bool {
 		NSUserName() == "root"
 	}
 
 	// MARK: - Initializing Language Models.
 
-	@objc static func initLangModels(userOnly: Bool) {
+	static func initLangModels(userOnly: Bool) {
 		if !userOnly {
 			mgrLangModel.loadDataModels()  // 這句還是不要砍了。
 		}
@@ -77,7 +77,7 @@ public class IME: NSObject {
 
 	// MARK: - System Dark Mode Status Detector.
 
-	@objc static func isDarkMode() -> Bool {
+	static func isDarkMode() -> Bool {
 		if #available(macOS 10.15, *) {
 			let appearanceDescription = NSApplication.shared.effectiveAppearance.debugDescription
 				.lowercased()

Source/Modules/IMEModules/InputSourceHelper.swift

@@ -37,7 +37,6 @@ public class InputSourceHelper: NSObject {
 		TISCreateInputSourceList(nil, true).takeRetainedValue() as! [TISInputSource]
 	}
 
-	@objc(inputSourceForProperty:stringValue:)
 	public static func inputSource(for propertyKey: CFString, stringValue: String)
 		-> TISInputSource?
 	{
@@ -57,12 +56,10 @@ public class InputSourceHelper: NSObject {
 		return nil
 	}
 
-	@objc(inputSourceForInputSourceID:)
 	public static func inputSource(for sourceID: String) -> TISInputSource? {
 		inputSource(for: kTISPropertyInputSourceID, stringValue: sourceID)
 	}
 
-	@objc(inputSourceEnabled:)
 	public static func inputSourceEnabled(for source: TISInputSource) -> Bool {
 		if let valuePts = TISGetInputSourceProperty(source, kTISPropertyInputSourceIsEnabled) {
 			let value = Unmanaged<CFBoolean>.fromOpaque(valuePts).takeUnretainedValue()
@@ -71,13 +68,11 @@ public class InputSourceHelper: NSObject {
 		return false
 	}
 
-	@objc(enableInputSource:)
 	public static func enable(inputSource: TISInputSource) -> Bool {
 		let status = TISEnableInputSource(inputSource)
 		return status == noErr
 	}
 
-	@objc(enableAllInputModesForInputSourceBundleID:)
 	public static func enableAllInputMode(for inputSourceBundleD: String) -> Bool {
 		var enabled = false
 		for source in allInstalledInputSources() {
@@ -99,7 +94,6 @@ public class InputSourceHelper: NSObject {
 		return enabled
 	}
 
-	@objc(enableInputMode:forInputSourceBundleID:)
 	public static func enable(inputMode modeID: String, for bundleID: String) -> Bool {
 		for source in allInstalledInputSources() {
 			guard let bundleIDPtr = TISGetInputSourceProperty(source, kTISPropertyBundleID),
@@ -122,13 +116,11 @@ public class InputSourceHelper: NSObject {
 		return false
 	}
 
-	@objc(disableInputSource:)
 	public static func disable(inputSource: TISInputSource) -> Bool {
 		let status = TISDisableInputSource(inputSource)
 		return status == noErr
 	}
 
-	@objc(registerInputSource:)
 	public static func registerTnputSource(at url: URL) -> Bool {
 		let status = TISRegisterInputSource(url as CFURL)
 		return status == noErr

Source/Modules/IMEModules/mgrPrefs.swift

@@ -80,7 +80,7 @@ private let kDefaultKeys = "123456789"
 
 // MARK: - UserDefaults extension.
 
-@objc extension UserDefaults {
+extension UserDefaults {
 	func setDefault(_ value: Any?, forKey defaultName: String) {
 		if object(forKey: defaultName) == nil {
 			set(value, forKey: defaultName)
@@ -236,7 +236,7 @@ public class mgrPrefs: NSObject {
 
 	// MARK: - 既然 Preferences Module 的預設屬性不自動寫入 plist，那這邊就先寫入了。
 
-	@objc public static func setMissingDefaults() {
+	public static func setMissingDefaults() {
 		UserDefaults.standard.setDefault(mgrPrefs.isDebugModeEnabled, forKey: UserDef.kIsDebugModeEnabled)
 		UserDefaults.standard.setDefault(mgrPrefs.mostRecentInputMode, forKey: UserDef.kMostRecentInputMode)
 		UserDefaults.standard.setDefault(mgrPrefs.checkUpdateAutomatically, forKey: UserDef.kCheckUpdateAutomatically)
@@ -278,90 +278,90 @@ public class mgrPrefs: NSObject {
 	}
 
 	@UserDefault(key: UserDef.kIsDebugModeEnabled, defaultValue: false)
-	@objc static var isDebugModeEnabled: Bool
+	static var isDebugModeEnabled: Bool
 
 	@UserDefault(key: UserDef.kMostRecentInputMode, defaultValue: "")
-	@objc static var mostRecentInputMode: String
+	static var mostRecentInputMode: String
 
 	@UserDefault(key: UserDef.kCheckUpdateAutomatically, defaultValue: false)
-	@objc static var checkUpdateAutomatically: Bool
+	static var checkUpdateAutomatically: Bool
 
 	@UserDefault(key: UserDef.kUserDataFolderSpecified, defaultValue: "")
-	@objc static var userDataFolderSpecified: String
+	static var userDataFolderSpecified: String
 
-	@objc static func ifSpecifiedUserDataPathExistsInPlist() -> Bool {
+	static func ifSpecifiedUserDataPathExistsInPlist() -> Bool {
 		UserDefaults.standard.object(forKey: UserDef.kUserDataFolderSpecified) != nil
 	}
 
-	@objc static func resetSpecifiedUserDataFolder() {
+	static func resetSpecifiedUserDataFolder() {
 		UserDefaults.standard.removeObject(forKey: "UserDataFolderSpecified")
 		IME.initLangModels(userOnly: true)
 	}
 
 	@UserDefault(key: UserDef.kAppleLanguages, defaultValue: [])
-	@objc static var appleLanguages: [String]
+	static var appleLanguages: [String]
 
 	@UserDefault(key: UserDef.kMandarinParser, defaultValue: 0)
 	@objc static var mandarinParser: Int
 
-	@objc static var mandarinParserName: String {
+	static var mandarinParserName: String {
 		(MandarinParser(rawValue: mandarinParser) ?? MandarinParser.ofStandard).name
 	}
 
 	@UserDefault(
 		key: UserDef.kBasicKeyboardLayout, defaultValue: "com.apple.keylayout.ZhuyinBopomofo"
 	)
-	@objc static var basicKeyboardLayout: String
+	static var basicKeyboardLayout: String
 
 	@UserDefault(key: UserDef.kShowPageButtonsInCandidateWindow, defaultValue: true)
-	@objc static var showPageButtonsInCandidateWindow: Bool
+	static var showPageButtonsInCandidateWindow: Bool
 
 	@CandidateListTextSize(key: UserDef.kCandidateListTextSize)
-	@objc static var candidateListTextSize: CGFloat
+	static var candidateListTextSize: CGFloat
 
 	@UserDefault(key: UserDef.kShouldAutoReloadUserDataFiles, defaultValue: true)
-	@objc static var shouldAutoReloadUserDataFiles: Bool
+	static var shouldAutoReloadUserDataFiles: Bool
 
 	@UserDefault(key: UserDef.kSetRearCursorMode, defaultValue: false)
-	@objc static var setRearCursorMode: Bool
+	static var setRearCursorMode: Bool
 
 	@UserDefault(key: UserDef.kMoveCursorAfterSelectingCandidate, defaultValue: true)
-	@objc static var moveCursorAfterSelectingCandidate: Bool
+	static var moveCursorAfterSelectingCandidate: Bool
 
 	@UserDefault(key: UserDef.kUseHorizontalCandidateList, defaultValue: true)
-	@objc static var useHorizontalCandidateList: Bool
+	static var useHorizontalCandidateList: Bool
 
 	@ComposingBufferSize(key: UserDef.kComposingBufferSize)
-	@objc static var composingBufferSize: Int
+	static var composingBufferSize: Int
 
 	@UserDefault(key: UserDef.kChooseCandidateUsingSpace, defaultValue: true)
-	@objc static var chooseCandidateUsingSpace: Bool
+	static var chooseCandidateUsingSpace: Bool
 
 	@UserDefault(key: UserDef.kUseSCPCTypingMode, defaultValue: false)
-	@objc static var useSCPCTypingMode: Bool
+	static var useSCPCTypingMode: Bool
 
-	@objc static func toggleSCPCTypingModeEnabled() -> Bool {
+	static func toggleSCPCTypingModeEnabled() -> Bool {
 		useSCPCTypingMode = !useSCPCTypingMode
 		UserDefaults.standard.set(useSCPCTypingMode, forKey: UserDef.kUseSCPCTypingMode)
 		return useSCPCTypingMode
 	}
 
 	@UserDefault(key: UserDef.kMaxCandidateLength, defaultValue: kDefaultComposingBufferSize * 2)
-	@objc static var maxCandidateLength: Int
+	static var maxCandidateLength: Int
 
 	@UserDefault(key: UserDef.kShouldNotFartInLieuOfBeep, defaultValue: true)
-	@objc static var shouldNotFartInLieuOfBeep: Bool
+	static var shouldNotFartInLieuOfBeep: Bool
 
-	@objc static func toggleShouldNotFartInLieuOfBeep() -> Bool {
+	static func toggleShouldNotFartInLieuOfBeep() -> Bool {
 		shouldNotFartInLieuOfBeep = !shouldNotFartInLieuOfBeep
 		UserDefaults.standard.set(shouldNotFartInLieuOfBeep, forKey: UserDef.kShouldNotFartInLieuOfBeep)
 		return shouldNotFartInLieuOfBeep
 	}
 
 	@UserDefault(key: UserDef.kCNS11643Enabled, defaultValue: false)
-	@objc static var cns11643Enabled: Bool
+	static var cns11643Enabled: Bool
 
-	@objc static func toggleCNS11643Enabled() -> Bool {
+	static func toggleCNS11643Enabled() -> Bool {
 		cns11643Enabled = !cns11643Enabled
 		mgrLangModel.setCNSEnabled(cns11643Enabled)  // 很重要
 		UserDefaults.standard.set(cns11643Enabled, forKey: UserDef.kCNS11643Enabled)
@@ -369,9 +369,9 @@ public class mgrPrefs: NSObject {
 	}
 
 	@UserDefault(key: UserDef.kSymbolInputEnabled, defaultValue: true)
-	@objc static var symbolInputEnabled: Bool
+	static var symbolInputEnabled: Bool
 
-	@objc static func toggleSymbolInputEnabled() -> Bool {
+	static func toggleSymbolInputEnabled() -> Bool {
 		symbolInputEnabled = !symbolInputEnabled
 		mgrLangModel.setSymbolEnabled(symbolInputEnabled)  // 很重要
 		UserDefaults.standard.set(symbolInputEnabled, forKey: UserDef.kSymbolInputEnabled)
@@ -379,9 +379,9 @@ public class mgrPrefs: NSObject {
 	}
 
 	@UserDefault(key: UserDef.kChineseConversionEnabled, defaultValue: false)
-	@objc static var chineseConversionEnabled: Bool
+	static var chineseConversionEnabled: Bool
 
-	@objc @discardableResult static func toggleChineseConversionEnabled() -> Bool {
+	@discardableResult static func toggleChineseConversionEnabled() -> Bool {
 		chineseConversionEnabled = !chineseConversionEnabled
 		// 康熙轉換與 JIS 轉換不能同時開啟，否則會出現某些奇奇怪怪的情況
 		if chineseConversionEnabled, shiftJISShinjitaiOutputEnabled {
@@ -395,9 +395,9 @@ public class mgrPrefs: NSObject {
 	}
 
 	@UserDefault(key: UserDef.kShiftJISShinjitaiOutputEnabled, defaultValue: false)
-	@objc static var shiftJISShinjitaiOutputEnabled: Bool
+	static var shiftJISShinjitaiOutputEnabled: Bool
 
-	@objc @discardableResult static func toggleShiftJISShinjitaiOutputEnabled() -> Bool {
+	@discardableResult static func toggleShiftJISShinjitaiOutputEnabled() -> Bool {
 		shiftJISShinjitaiOutputEnabled = !shiftJISShinjitaiOutputEnabled
 		// 康熙轉換與 JIS 轉換不能同時開啟，否則會出現某些奇奇怪怪的情況
 		if shiftJISShinjitaiOutputEnabled, chineseConversionEnabled {
@@ -410,42 +410,42 @@ public class mgrPrefs: NSObject {
 	}
 
 	@UserDefault(key: UserDef.kHalfWidthPunctuationEnabled, defaultValue: false)
-	@objc static var halfWidthPunctuationEnabled: Bool
+	static var halfWidthPunctuationEnabled: Bool
 
-	@objc static func toggleHalfWidthPunctuationEnabled() -> Bool {
+	static func toggleHalfWidthPunctuationEnabled() -> Bool {
 		halfWidthPunctuationEnabled = !halfWidthPunctuationEnabled
 		return halfWidthPunctuationEnabled
 	}
 
 	@UserDefault(key: UserDef.kEscToCleanInputBuffer, defaultValue: true)
-	@objc static var escToCleanInputBuffer: Bool
+	static var escToCleanInputBuffer: Bool
 
 	@UserDefault(key: UserDef.kSpecifyShiftTabKeyBehavior, defaultValue: false)
-	@objc static var specifyShiftTabKeyBehavior: Bool
+	static var specifyShiftTabKeyBehavior: Bool
 
 	@UserDefault(key: UserDef.kSpecifyShiftSpaceKeyBehavior, defaultValue: false)
-	@objc static var specifyShiftSpaceKeyBehavior: Bool
+	static var specifyShiftSpaceKeyBehavior: Bool
 
 	// MARK: - Optional settings
 
 	@UserDefault(key: UserDef.kCandidateTextFontName, defaultValue: nil)
-	@objc static var candidateTextFontName: String?
+	static var candidateTextFontName: String?
 
 	@UserDefault(key: UserDef.kCandidateKeyLabelFontName, defaultValue: nil)
-	@objc static var candidateKeyLabelFontName: String?
+	static var candidateKeyLabelFontName: String?
 
 	@UserDefault(key: UserDef.kCandidateKeys, defaultValue: kDefaultKeys)
-	@objc static var candidateKeys: String
+	static var candidateKeys: String
 
-	@objc static var defaultCandidateKeys: String {
+	static var defaultCandidateKeys: String {
 		kDefaultKeys
 	}
 
-	@objc static var suggestedCandidateKeys: [String] {
+	static var suggestedCandidateKeys: [String] {
 		[kDefaultKeys, "234567890", "QWERTYUIO", "QWERTASDF", "ASDFGHJKL", "ASDFZXCVB"]
 	}
 
-	@objc static func validate(candidateKeys: String) throws {
+	static func validate(candidateKeys: String) throws {
 		let trimmed = candidateKeys.trimmingCharacters(in: .whitespacesAndNewlines)
 		if trimmed.isEmpty {
 			throw CandidateKeyError.empty
@@ -500,9 +500,9 @@ public class mgrPrefs: NSObject {
 	}
 
 	@UserDefault(key: UserDef.kPhraseReplacementEnabled, defaultValue: false)
-	@objc static var phraseReplacementEnabled: Bool
+	static var phraseReplacementEnabled: Bool
 
-	@objc static func togglePhraseReplacementEnabled() -> Bool {
+	static func togglePhraseReplacementEnabled() -> Bool {
 		phraseReplacementEnabled = !phraseReplacementEnabled
 		mgrLangModel.setPhraseReplacementEnabled(phraseReplacementEnabled)
 		UserDefaults.standard.set(phraseReplacementEnabled, forKey: UserDef.kPhraseReplacementEnabled)
@@ -510,9 +510,9 @@ public class mgrPrefs: NSObject {
 	}
 
 	@UserDefault(key: UserDef.kAssociatedPhrasesEnabled, defaultValue: false)
-	@objc static var associatedPhrasesEnabled: Bool
+	static var associatedPhrasesEnabled: Bool
 
-	@objc static func toggleAssociatedPhrasesEnabled() -> Bool {
+	static func toggleAssociatedPhrasesEnabled() -> Bool {
 		associatedPhrasesEnabled = !associatedPhrasesEnabled
 		UserDefaults.standard.set(associatedPhrasesEnabled, forKey: UserDef.kAssociatedPhrasesEnabled)
 		return associatedPhrasesEnabled

Source/Modules/SFX/clsSFX.swift

@@ -59,11 +59,11 @@ public class clsSFX: NSObject, NSSoundDelegate {
 		currentBeep = beep
 	}
 
-	@objc public func sound(_: NSSound, didFinishPlaying _: Bool) {
+	public func sound(_: NSSound, didFinishPlaying _: Bool) {
 		currentBeep = nil
 	}
 
-	@objc static func beep() {
+	static func beep() {
 		shared.beep()
 	}
 }

Source/UI/CandidateUI/ctlCandidate.swift

@@ -26,10 +26,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 import Cocoa
 
-@objc(VTCandidateKeyLabel)
 public class CandidateKeyLabel: NSObject {
-	@objc public private(set) var key: String
+	public private(set) var key: String
-	@objc public private(set) var displayedText: String
+	public private(set) var displayedText: String
 
 	public init(key: String, displayedText: String) {
 		self.key = key
@@ -38,7 +37,6 @@ public class CandidateKeyLabel: NSObject {
 	}
 }
 
-@objc(ctlCandidateDelegate)
 public protocol ctlCandidateDelegate: AnyObject {
 	func candidateCountForController(_ controller: ctlCandidate) -> UInt
 	func ctlCandidate(_ controller: ctlCandidate, candidateAtIndex index: UInt)
@@ -48,16 +46,15 @@ public protocol ctlCandidateDelegate: AnyObject {
 	)
 }
 
-@objc(ctlCandidate)
 public class ctlCandidate: NSWindowController {
-	@objc public weak var delegate: ctlCandidateDelegate? {
+	public weak var delegate: ctlCandidateDelegate? {
 		didSet {
 			reloadData()
 		}
 	}
 
-	@objc public var selectedCandidateIndex: UInt = .max
+	public var selectedCandidateIndex: UInt = .max
-	@objc public var visible: Bool = false {
+	public var visible: Bool = false {
 		didSet {
 			NSObject.cancelPreviousPerformRequests(withTarget: self)
 			if visible {
@@ -68,7 +65,7 @@ public class ctlCandidate: NSWindowController {
 		}
 	}
 
-	@objc public var windowTopLeftPoint: NSPoint {
+	public var windowTopLeftPoint: NSPoint {
 		get {
 			guard let frameRect = window?.frame else {
 				return NSPoint.zero
@@ -82,36 +79,36 @@ public class ctlCandidate: NSWindowController {
 		}
 	}
 
-	@objc public var keyLabels: [CandidateKeyLabel] = ["1", "2", "3", "4", "5", "6", "7", "8", "9"]
+	public var keyLabels: [CandidateKeyLabel] = ["1", "2", "3", "4", "5", "6", "7", "8", "9"]
 		.map {
 			CandidateKeyLabel(key: $0, displayedText: $0)
 		}
 
-	@objc public var keyLabelFont: NSFont = NSFont.monospacedDigitSystemFont(
+	public var keyLabelFont: NSFont = NSFont.monospacedDigitSystemFont(
 		ofSize: 14, weight: .medium
 	)
-	@objc public var candidateFont: NSFont = NSFont.systemFont(ofSize: 18)
+	public var candidateFont: NSFont = NSFont.systemFont(ofSize: 18)
-	@objc public var tooltip: String = ""
+	public var tooltip: String = ""
 
-	@objc public func reloadData() {}
+	public func reloadData() {}
 
-	@objc public func showNextPage() -> Bool {
+	public func showNextPage() -> Bool {
 		false
 	}
 
-	@objc public func showPreviousPage() -> Bool {
+	public func showPreviousPage() -> Bool {
 		false
 	}
 
-	@objc public func highlightNextCandidate() -> Bool {
+	public func highlightNextCandidate() -> Bool {
 		false
 	}
 
-	@objc public func highlightPreviousCandidate() -> Bool {
+	public func highlightPreviousCandidate() -> Bool {
 		false
 	}
 
-	@objc public func candidateIndexAtKeyLabelIndex(_: UInt) -> UInt {
+	public func candidateIndexAtKeyLabelIndex(_: UInt) -> UInt {
 		UInt.max
 	}
 
@@ -125,7 +122,6 @@ public class ctlCandidate: NSWindowController {
 	///   - windowTopLeftPoint: The given location.
 	///   - height: The height that helps the window not to be out of the bottom
 	///     of a screen.
-	@objc(setWindowTopLeftPoint:bottomOutOfScreenAdjustmentHeight:)
 	public func set(windowTopLeftPoint: NSPoint, bottomOutOfScreenAdjustmentHeight height: CGFloat) {
 		DispatchQueue.main.asyncAfter(deadline: DispatchTime.now()) {
 			self.doSet(

Source/UI/NotifierUI/NotifierController.swift

@@ -87,7 +87,7 @@ public class NotifierController: NSWindowController, NotifierWindowDelegate {
 	private static var instanceCount = 0
 	private static var lastLocation = NSPoint.zero
 
-	@objc public static func notify(message: String, stay: Bool = false) {
+	public static func notify(message: String, stay: Bool = false) {
 		let controller = NotifierController()
 		controller.message = message
 		controller.shouldStay = stay

Source/UI/TooltipUI/TooltipController.swift

@@ -64,7 +64,6 @@ public class TooltipController: NSWindowController {
 		fatalError("init(coder:) has not been implemented")
 	}
 
-	@objc(showTooltip:atPoint:)
 	public func show(tooltip: String, at point: NSPoint) {
 		messageTextField.textColor = TooltipController.textColor
 		messageTextField.backgroundColor = TooltipController.backgroundColor

Source/WindowControllers/ctlAboutWindow.swift

@@ -26,7 +26,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 import Cocoa
 
-@objc(AboutWindow) class ctlAboutWindow: NSWindowController {
+class ctlAboutWindow: NSWindowController {
 	@IBOutlet var appVersionLabel: NSTextField!
 	@IBOutlet var appCopyrightLabel: NSTextField!
 	@IBOutlet var appEULAContent: NSTextView!

Source/WindowControllers/ctlNonModalAlertWindow.swift

@@ -26,13 +26,12 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 import Cocoa
 
-@objc protocol ctlNonModalAlertWindowDelegate: AnyObject {
+protocol ctlNonModalAlertWindowDelegate: AnyObject {
 	func ctlNonModalAlertWindowDidConfirm(_ controller: ctlNonModalAlertWindow)
 	func ctlNonModalAlertWindowDidCancel(_ controller: ctlNonModalAlertWindow)
 }
 
 class ctlNonModalAlertWindow: NSWindowController {
-	@objc(sharedInstance)
 	static let shared = ctlNonModalAlertWindow(windowNibName: "frmNonModalAlertWindow")
 
 	@IBOutlet var titleTextField: NSTextField!
@@ -41,7 +40,7 @@ class ctlNonModalAlertWindow: NSWindowController {
 	@IBOutlet var cancelButton: NSButton!
 	weak var delegate: ctlNonModalAlertWindowDelegate?
 
-	@objc func show(
+	func show(
 		title: String, content: String, confirmButtonTitle: String, cancelButtonTitle: String?,
 		cancelAsDefault: Bool, delegate: ctlNonModalAlertWindowDelegate?
 	) {

Source/WindowControllers/ctlPrefWindow.swift

@@ -30,7 +30,7 @@ import Cocoa
 // Please note that the class should be exposed using the same class name
 // in Objective-C in order to let IMK to see the same class name as
 // the "InputMethodServerPreferencesWindowControllerClass" in Info.plist.
-@objc(ctlPrefWindow) class ctlPrefWindow: NSWindowController {
+class ctlPrefWindow: NSWindowController {
 	@IBOutlet var fontSizePopUpButton: NSPopUpButton!
 	@IBOutlet var uiLanguageButton: NSPopUpButton!
 	@IBOutlet var basicKeyboardLayoutButton: NSPopUpButton!