ctlIME // Add CheatSheet window.

Source/Modules/AppDelegate.swift

@@ -29,6 +29,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, ctlNonModalAlertWindowDelega
   @IBOutlet var window: NSWindow?
   private var ctlPrefWindowInstance: ctlPrefWindow?
   private var ctlAboutWindowInstance: ctlAboutWindow?  // New About Window
+  private var WebWindowInstance: Any?
   private var checkTask: URLSessionTask?
   private var updateNextStepURL: URL?
   public var fsStreamHelper = FSEventStreamHelper(
@@ -97,6 +98,22 @@ class AppDelegate: NSObject, NSApplicationDelegate, ctlNonModalAlertWindowDelega
     NSApp.setActivationPolicy(.accessory)
   }
 
+  func showCheatSheet() {
+    if #available(macOS 10.13, *) {
+      WebWindowInstance = ctlWebWindow.init(windowNibName: "frmWebWindow")
+      guard let WebWindowInstance = WebWindowInstance as? ctlWebWindow else { return }
+      guard let theWindow = WebWindowInstance.window else { return }
+      theWindow.center()
+      theWindow.orderFrontRegardless()  // 逼著屬性視窗往最前方顯示
+      theWindow.level = .statusBar
+      theWindow.titlebarAppearsTransparent = true
+      theWindow.title = NSLocalizedString("CheatSheet", comment: "")
+      return
+    }
+    guard let url = Bundle.main.url(forResource: "shortcuts", withExtension: "html") else { return }
+    NSWorkspace.shared.openFile(url.path, withApplication: "Safari")
+  }
+
   // New About Window
   func showAbout() {
     if ctlAboutWindowInstance == nil {

Source/Modules/ControllerModules/ctlInputMethod_Menu.swift

@@ -169,6 +169,10 @@ extension ctlInputMethod {
       withTitle: NSLocalizedString("About vChewing…", comment: ""),
       action: #selector(showAbout(_:)), keyEquivalent: ""
     )
+    menu.addItem(
+      withTitle: NSLocalizedString("CheatSheet", comment: "") + "…",
+      action: #selector(showCheatSheet(_:)), keyEquivalent: ""
+    )
     if optionKeyPressed {
       menu.addItem(
         withTitle: NSLocalizedString("Uninstall vChewing…", comment: ""),
@@ -199,7 +203,12 @@ extension ctlInputMethod {
     NSApp.activate(ignoringOtherApps: true)
   }
 
-  @objc func toggleSCPCTypingMode(_: Any?) {
+  @objc func showCheatSheet(_: Any?) {
+    (NSApp.delegate as? AppDelegate)?.showCheatSheet()
+    NSApp.activate(ignoringOtherApps: true)
+  }
+
+  @objc func toggleSCPCTypingMode(_: Any? = nil) {
     resetKeyHandler()
     NotifierController.notify(
       message: String(

Source/Resources/Base.lproj/Localizable.strings

@@ -2,6 +2,7 @@
 "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability." = "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability.";
 "About vChewing…" = "About vChewing…";
 "vChewing Preferences…" = "vChewing Preferences…";
+"CheatSheet" = "CheatSheet";
 "Uninstallation" = "Uninstallation";
 "Uninstall vChewing…" = "Uninstall vChewing…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "This will remove vChewing Input Method from this user account, requiring your confirmation.";

Source/Resources/en.lproj/Localizable.strings

@@ -2,6 +2,7 @@
 "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability." = "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability.";
 "About vChewing…" = "About vChewing…";
 "vChewing Preferences…" = "vChewing Preferences…";
+"CheatSheet" = "CheatSheet";
 "Uninstallation" = "Uninstallation";
 "Uninstall vChewing…" = "Uninstall vChewing…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "This will remove vChewing Input Method from this user account, requiring your confirmation.";

Source/Resources/ja.lproj/Localizable.strings

@@ -3,6 +3,7 @@
 "About vChewing…" = "威注音について…";
 "vChewing Preferences…" = "入力機能設定…";
 "Uninstallation" = "入力アプリの卸除（おろしのぞき）";
+"CheatSheet" = "取扱説明";
 "Uninstall vChewing…" = "入力アプリを卸除く…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "これにて威注音入力アプリをこのアカウントから卸除しますが、宜しいですか。";
 "Check Later" = "後でやる";

Source/Resources/zh-Hans.lproj/Localizable.strings

@@ -2,6 +2,7 @@
 "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability." = "威注音输入法的使用者半衰记忆模组在观测时崩溃，相关半衰记忆资料档案内容已全部清空。";
 "About vChewing…" = "关于威注音…";
 "vChewing Preferences…" = "威注音偏好设定…";
+"CheatSheet" = "热键指南";
 "Uninstallation" = "卸除输入法";
 "Uninstall vChewing…" = "卸除威注音…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "此举会将威注音自当前系统使用者帐户卸除。请确认。";

Source/Resources/zh-Hant.lproj/Localizable.strings

@@ -2,6 +2,7 @@
 "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability." = "威注音輸入法的使用者半衰記憶模組在觀測時崩潰，相關半衰記憶資料檔案內容已全部清空。";
 "About vChewing…" = "關於威注音…";
 "vChewing Preferences…" = "威注音偏好設定…";
+"CheatSheet" = "熱鍵指南";
 "Uninstallation" = "卸除輸入法";
 "Uninstall vChewing…" = "卸除威注音…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "此舉會將威注音自當前系統使用者帳戶卸除。請確認。";

Source/WindowControllers/ctlWebWindow.swift

@@ -0,0 +1,21 @@
+// Copyright (c) 2021 and onwards The vChewing Project (MIT-NTL License).
+// ====================
+// This code is released under the MIT license (SPDX-License-Identifier: MIT)
+// ... with NTL restriction stating that:
+// No trademark license is granted to use the trade names, trademarks, service
+// marks, or product names of Contributor, except as required to fulfill notice
+// requirements defined in MIT License.
+
+import Cocoa
+import WebKit
+
+@available(macOS 10.13, *)
+class ctlWebWindow: NSWindowController, WKUIDelegate {
+  @IBOutlet var webView: WKWebView!
+
+  override func windowDidLoad() {
+    super.windowDidLoad()
+    guard let webPageURL = Bundle.main.url(forResource: "shortcuts", withExtension: "html") else { return }
+    webView.loadFileURL(webPageURL, allowingReadAccessTo: webPageURL)
+  }
+}

Source/WindowNIBs/Base.lproj/frmWebWindow.xib

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="21223" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment version="101300" identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="21223"/>
+        <plugIn identifier="com.apple.WebKit2IBPlugin" version="21223"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="_TtC8vChewing28_TtC8vChewing13frmWebWindow" customModule="vChewing" customModuleProvider="target">
+            <connections>
+                <outlet property="webView" destination="7DH-xo-f3c" id="qft-2P-MFO"/>
+                <outlet property="window" destination="F0z-JX-Cv5" id="gIp-Ho-8D9"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <window title="CheatSheet" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" titlebarAppearsTransparent="YES" id="F0z-JX-Cv5">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" fullSizeContentView="YES"/>
+            <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
+            <rect key="contentRect" x="196" y="240" width="960" height="600"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="1920" height="1055"/>
+            <view key="contentView" id="se5-gp-TjO" customClass="NSVisualEffectView" customModule="vChewing" customModuleProvider="target">
+                <rect key="frame" x="0.0" y="0.0" width="960" height="600"/>
+                <autoresizingMask key="autoresizingMask"/>
+                <subviews>
+                    <wkWebView wantsLayer="YES" translatesAutoresizingMaskIntoConstraints="NO" id="7DH-xo-f3c">
+                        <rect key="frame" x="20" y="20" width="920" height="544"/>
+                        <wkWebViewConfiguration key="configuration" allowsAirPlayForMediaPlayback="NO">
+                            <audiovisualMediaTypes key="mediaTypesRequiringUserActionForPlayback" none="YES"/>
+                            <wkPreferences key="preferences" javaScriptCanOpenWindowsAutomatically="NO" javaScriptEnabled="NO"/>
+                        </wkWebViewConfiguration>
+                    </wkWebView>
+                </subviews>
+                <constraints>
+                    <constraint firstItem="7DH-xo-f3c" firstAttribute="top" secondItem="se5-gp-TjO" secondAttribute="top" constant="36" id="AT9-7E-nxL"/>
+                    <constraint firstAttribute="bottom" secondItem="7DH-xo-f3c" secondAttribute="bottom" constant="20" symbolic="YES" id="IXb-dn-jPA"/>
+                    <constraint firstItem="7DH-xo-f3c" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="20" symbolic="YES" id="U3r-hM-64J"/>
+                    <constraint firstAttribute="trailing" secondItem="7DH-xo-f3c" secondAttribute="trailing" constant="20" symbolic="YES" id="h7o-7F-AlR"/>
+                </constraints>
+            </view>
+            <connections>
+                <outlet property="delegate" destination="-2" id="0bl-1N-AYu"/>
+            </connections>
+            <point key="canvasLocation" x="206" y="123"/>
+        </window>
+    </objects>
+</document>

vChewing.xcodeproj/project.pbxproj

@@ -27,6 +27,8 @@
 		5B3A87BC28597CDB0090E163 /* LMSymbolNode.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5B3A87BB28597CDB0090E163 /* LMSymbolNode.swift */; };
 		5B40730C281672610023DFFF /* lmAssociates.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5B407309281672610023DFFF /* lmAssociates.swift */; };
 		5B40730D281672610023DFFF /* lmReplacements.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5B40730A281672610023DFFF /* lmReplacements.swift */; };
+		5B46794728B790A600941452 /* frmWebWindow.xib in Resources */ = {isa = PBXBuildFile; fileRef = 5B46794528B790A600941452 /* frmWebWindow.xib */; };
+		5B46794928B790B900941452 /* ctlWebWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5B46794828B790B900941452 /* ctlWebWindow.swift */; };
 		5B54E743283A7D89001ECBDC /* lmCoreNS.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5B54E742283A7D89001ECBDC /* lmCoreNS.swift */; };
 		5B5948CE289CC04500C85824 /* LMInstantiator_DateTimeExtension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5B5948CD289CC04500C85824 /* LMInstantiator_DateTimeExtension.swift */; };
 		5B5E535227EF261400C6AA1E /* IME.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5B5E535127EF261400C6AA1E /* IME.swift */; };
@@ -238,6 +240,8 @@
 		5B3A87BB28597CDB0090E163 /* LMSymbolNode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LMSymbolNode.swift; sourceTree = "<group>"; };
 		5B407309281672610023DFFF /* lmAssociates.swift */ = {isa = PBXFileReference; explicitFileType = sourcecode.swift; fileEncoding = 4; lineEnding = 0; path = lmAssociates.swift; sourceTree = "<group>"; usesTabs = 0; };
 		5B40730A281672610023DFFF /* lmReplacements.swift */ = {isa = PBXFileReference; explicitFileType = sourcecode.swift; fileEncoding = 4; lineEnding = 0; path = lmReplacements.swift; sourceTree = "<group>"; usesTabs = 0; };
+		5B46794628B790A600941452 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/frmWebWindow.xib; sourceTree = "<group>"; };
+		5B46794828B790B900941452 /* ctlWebWindow.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ctlWebWindow.swift; sourceTree = "<group>"; };
 		5B54E742283A7D89001ECBDC /* lmCoreNS.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = lmCoreNS.swift; sourceTree = "<group>"; };
 		5B5948CD289CC04500C85824 /* LMInstantiator_DateTimeExtension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LMInstantiator_DateTimeExtension.swift; sourceTree = "<group>"; };
 		5B5E535127EF261400C6AA1E /* IME.swift */ = {isa = PBXFileReference; explicitFileType = sourcecode.swift; fileEncoding = 4; indentWidth = 2; lineEnding = 0; path = IME.swift; sourceTree = "<group>"; tabWidth = 2; usesTabs = 0; };
@@ -571,6 +575,7 @@
 				5B62A33C27AE7CC100A19448 /* ctlAboutWindow.swift */,
 				D47F7DCF278C0897002F9DD7 /* ctlNonModalAlertWindow.swift */,
 				D47F7DCD278BFB57002F9DD7 /* ctlPrefWindow.swift */,
+				5B46794828B790B900941452 /* ctlWebWindow.swift */,
 			);
 			path = WindowControllers;
 			sourceTree = "<group>";
@@ -581,6 +586,7 @@
 				5BBBB76927AED5DB0023B93A /* frmAboutWindow.xib */,
 				5BBBB76527AED5DB0023B93A /* frmNonModalAlertWindow.xib */,
 				5B7BC4AE27AFFBE800F66C24 /* frmPrefWindow.xib */,
+				5B46794528B790A600941452 /* frmWebWindow.xib */,
 				6A187E2816004C5900466B2E /* MainMenu.xib */,
 			);
 			path = WindowNIBs;
@@ -1045,6 +1051,7 @@
 				5BBBB77427AED70B0023B93A /* MenuIcon-SCVIM@2x.png in Resources */,
 				D4E33D8A27A838CF006DB1CF /* Localizable.strings in Resources */,
 				5BF9DA2828840E6200DBD48E /* template-exclusions.txt in Resources */,
+				5B46794728B790A600941452 /* frmWebWindow.xib in Resources */,
 				5BDCBB2E27B4E67A00D0CC59 /* vChewingPhraseEditor.app in Resources */,
 				5BBBB76027AED54C0023B93A /* Fart.m4a in Resources */,
 				6A2E40F6253A69DA00D1AE1D /* Images.xcassets in Resources */,
@@ -1205,6 +1212,7 @@
 				5B2170E1289FACAD00BE7304 /* 0_Megrez.swift in Sources */,
 				5BF9EC1628A2BFC600333639 /* lmPlainBopomofo.swift in Sources */,
 				5B3A87BC28597CDB0090E163 /* LMSymbolNode.swift in Sources */,
+				5B46794928B790B900941452 /* ctlWebWindow.swift in Sources */,
 				5BA9FD4327FEF3C8002DE248 /* Preferences.swift in Sources */,
 				5BA9FD4427FEF3C8002DE248 /* SegmentedControlStyleViewController.swift in Sources */,
 				5B78EE0D28A562B4009456C1 /* suiPrefPaneDevZone.swift in Sources */,
@@ -1299,6 +1307,14 @@
 			name = shortcuts.html;
 			sourceTree = "<group>";
 		};
+		5B46794528B790A600941452 /* frmWebWindow.xib */ = {
+			isa = PBXVariantGroup;
+			children = (
+				5B46794628B790A600941452 /* Base */,
+			);
+			name = frmWebWindow.xib;
+			sourceTree = "<group>";
+		};
 		5B73FB6027B2BE1300E9BF49 /* InfoPlist.strings */ = {
 			isa = PBXVariantGroup;
 			children = (