Repo // Add HangarRash_SwiftyCapsLockToggler.

Packages/HangarRash_SwiftyCapsLockToggler/Framework/include/CapsLockToggler.c

@@ -0,0 +1 @@
+

Packages/HangarRash_SwiftyCapsLockToggler/Framework/include/CapsLockToggler.h

@@ -0,0 +1,4 @@
+// Ref: https://stackoverflow.com/a/75870807/4162914
+
+#import <IOKit/IOKitLib.h>
+#import <IOKit/hid/IOHIDBase.h>

Packages/HangarRash_SwiftyCapsLockToggler/Package.swift

@@ -0,0 +1,33 @@
+// swift-tools-version:5.3
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+  name: "SwiftyCapsLockToggler",
+  platforms: [
+    .macOS(.v11),
+  ],
+  products: [
+    // Products define the executables and libraries a package produces, making them visible to other packages.
+    .library(
+      name: "SwiftyCapsLockToggler",
+      targets: ["SwiftyCapsLockToggler"]
+    ),
+  ],
+  targets: [
+    // Targets are the basic building blocks of a package, defining a module or a test suite.
+    // Targets can depend on other targets in this package and products from dependencies.
+    .target(
+      name: "CapsLockToggler",
+      path: "Framework",
+      cSettings: [
+        .headerSearchPath("include"),
+      ]
+    ),
+    .target(
+      name: "SwiftyCapsLockToggler",
+      dependencies: ["CapsLockToggler"]
+    ),
+  ]
+)

Packages/HangarRash_SwiftyCapsLockToggler/Sources/SwiftyCapsLockToggler/SwiftyCapsLockToggler.swift

@@ -0,0 +1,39 @@
+// Ref: https://stackoverflow.com/a/75870807/4162914
+
+// #import <IOKit/IOKitLib.h>
+// #import <IOKit/hid/IOHIDBase.h>
+
+import CapsLockToggler
+
+public enum CapsLockToggler {
+  public static func toggle() {
+    let thePort: mach_port_t = {
+      if #available(macOS 12.0, *) {
+        return kIOMainPortDefault
+      }
+      return kIOMasterPortDefault
+    }()
+    let ioService: io_service_t = IOServiceGetMatchingService(thePort, IOServiceMatching(kIOHIDSystemClass))
+    var ioConnect: io_connect_t = 0
+    IOServiceOpen(ioService, mach_task_self_, UInt32(kIOHIDParamConnectType), &ioConnect)
+    var state = false
+    IOHIDGetModifierLockState(ioConnect, Int32(kIOHIDCapsLockState), &state)
+    state.toggle()
+    IOHIDSetModifierLockState(ioConnect, Int32(kIOHIDCapsLockState), state)
+    IOServiceClose(ioConnect)
+  }
+
+  public static func turnOff() {
+    let thePort: mach_port_t = {
+      if #available(macOS 12.0, *) {
+        return kIOMainPortDefault
+      }
+      return kIOMasterPortDefault
+    }()
+    let ioService: io_service_t = IOServiceGetMatchingService(thePort, IOServiceMatching(kIOHIDSystemClass))
+    var ioConnect: io_connect_t = 0
+    IOServiceOpen(ioService, mach_task_self_, UInt32(kIOHIDParamConnectType), &ioConnect)
+    IOHIDSetModifierLockState(ioConnect, Int32(kIOHIDCapsLockState), false)
+    IOServiceClose(ioConnect)
+  }
+}

Packages/vChewing_MainAssembly/Package.swift

@@ -14,6 +14,7 @@ let package = Package(
   ],
   dependencies: [
     .package(path: "../DanielGalasko_FolderMonitor"),
+    .package(path: "../HangarRash_SwiftyCapsLockToggler"),
     .package(path: "../Jad_BookmarkManager"),
     .package(path: "../Qwertyyb_ShiftKeyUpChecker"),
     .package(path: "../vChewing_CandidateWindow"),
@@ -50,6 +51,7 @@ let package = Package(
         .product(name: "Shared", package: "vChewing_Shared"),
         .product(name: "ShiftKeyUpChecker", package: "Qwertyyb_ShiftKeyUpChecker"),
         .product(name: "SwiftExtension", package: "vChewing_SwiftExtension"),
+        .product(name: "SwiftyCapsLockToggler", package: "HangarRash_SwiftyCapsLockToggler"),
         .product(name: "Tekkon", package: "vChewing_Tekkon"),
         .product(name: "TooltipUI", package: "vChewing_TooltipUI"),
         .product(name: "Uninstaller", package: "vChewing_Uninstaller"),

vChewing.xcodeproj/project.pbxproj

@@ -185,6 +185,7 @@
 		5B963CA128D5C22D00DCEE88 /* vChewing_SwiftExtension */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = vChewing_SwiftExtension; path = Packages/vChewing_SwiftExtension; sourceTree = "<group>"; };
 		5B98114628D6198000CBC605 /* vChewing_PinyinPhonaConverter */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = vChewing_PinyinPhonaConverter; path = Packages/vChewing_PinyinPhonaConverter; sourceTree = "<group>"; };
 		5BA8C30128DEFE4F004C5CC4 /* vChewing_CandidateWindow */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = vChewing_CandidateWindow; path = Packages/vChewing_CandidateWindow; sourceTree = "<group>"; };
+		5BAD67E12ADAB62D005A4842 /* HangarRash_SwiftyCapsLockToggler */ = {isa = PBXFileReference; lastKnownFileType = wrapper; name = HangarRash_SwiftyCapsLockToggler; path = Packages/HangarRash_SwiftyCapsLockToggler; sourceTree = "<group>"; };
 		5BB802D927FABA8300CF1C19 /* SessionCtl_Menu.swift */ = {isa = PBXFileReference; explicitFileType = sourcecode.swift; fileEncoding = 4; indentWidth = 2; lineEnding = 0; path = SessionCtl_Menu.swift; sourceTree = "<group>"; tabWidth = 2; usesTabs = 0; };
 		5BBBB75D27AED54C0023B93A /* Beep.m4a */ = {isa = PBXFileReference; lastKnownFileType = file; path = Beep.m4a; sourceTree = "<group>"; };
 		5BBBB75E27AED54C0023B93A /* Fart.m4a */ = {isa = PBXFileReference; lastKnownFileType = file; path = Fart.m4a; sourceTree = "<group>"; };
@@ -443,6 +444,7 @@
 			children = (
 				5BDB7A3128D47587001AC277 /* DanielGalasko_FolderMonitor */,
 				5BFC63C428D487AE004A77B7 /* Fuziki_NSAttributedTextView */,
+				5BAD67E12ADAB62D005A4842 /* HangarRash_SwiftyCapsLockToggler */,
 				5BDB7A3028D47587001AC277 /* Jad_BookmarkManager */,
 				5BDB7A3428D47587001AC277 /* Qwertyyb_ShiftKeyUpChecker */,
 				5BDB7A3528D47587001AC277 /* RMJay_LineReader */,