func cocoaKeyCode()

in shiny/driver/gldriver/cocoa.go [415:666]
228 lines of code
112 McCabe index (conditional complexity)

func cocoaKeyCode(vkcode uint16) key.Code {
	switch vkcode {
	case C.kVK_ANSI_A:
		return key.CodeA
	case C.kVK_ANSI_B:
		return key.CodeB
	case C.kVK_ANSI_C:
		return key.CodeC
	case C.kVK_ANSI_D:
		return key.CodeD
	case C.kVK_ANSI_E:
		return key.CodeE
	case C.kVK_ANSI_F:
		return key.CodeF
	case C.kVK_ANSI_G:
		return key.CodeG
	case C.kVK_ANSI_H:
		return key.CodeH
	case C.kVK_ANSI_I:
		return key.CodeI
	case C.kVK_ANSI_J:
		return key.CodeJ
	case C.kVK_ANSI_K:
		return key.CodeK
	case C.kVK_ANSI_L:
		return key.CodeL
	case C.kVK_ANSI_M:
		return key.CodeM
	case C.kVK_ANSI_N:
		return key.CodeN
	case C.kVK_ANSI_O:
		return key.CodeO
	case C.kVK_ANSI_P:
		return key.CodeP
	case C.kVK_ANSI_Q:
		return key.CodeQ
	case C.kVK_ANSI_R:
		return key.CodeR
	case C.kVK_ANSI_S:
		return key.CodeS
	case C.kVK_ANSI_T:
		return key.CodeT
	case C.kVK_ANSI_U:
		return key.CodeU
	case C.kVK_ANSI_V:
		return key.CodeV
	case C.kVK_ANSI_W:
		return key.CodeW
	case C.kVK_ANSI_X:
		return key.CodeX
	case C.kVK_ANSI_Y:
		return key.CodeY
	case C.kVK_ANSI_Z:
		return key.CodeZ
	case C.kVK_ANSI_1:
		return key.Code1
	case C.kVK_ANSI_2:
		return key.Code2
	case C.kVK_ANSI_3:
		return key.Code3
	case C.kVK_ANSI_4:
		return key.Code4
	case C.kVK_ANSI_5:
		return key.Code5
	case C.kVK_ANSI_6:
		return key.Code6
	case C.kVK_ANSI_7:
		return key.Code7
	case C.kVK_ANSI_8:
		return key.Code8
	case C.kVK_ANSI_9:
		return key.Code9
	case C.kVK_ANSI_0:
		return key.Code0
	// TODO: move the rest of these codes to constants in key.go
	// if we are happy with them.
	case C.kVK_Return:
		return key.CodeReturnEnter
	case C.kVK_Escape:
		return key.CodeEscape
	case C.kVK_Delete:
		return key.CodeDeleteBackspace
	case C.kVK_Tab:
		return key.CodeTab
	case C.kVK_Space:
		return key.CodeSpacebar
	case C.kVK_ANSI_Minus:
		return key.CodeHyphenMinus
	case C.kVK_ANSI_Equal:
		return key.CodeEqualSign
	case C.kVK_ANSI_LeftBracket:
		return key.CodeLeftSquareBracket
	case C.kVK_ANSI_RightBracket:
		return key.CodeRightSquareBracket
	case C.kVK_ANSI_Backslash:
		return key.CodeBackslash
	// 50: Keyboard Non-US "#" and ~
	case C.kVK_ANSI_Semicolon:
		return key.CodeSemicolon
	case C.kVK_ANSI_Quote:
		return key.CodeApostrophe
	case C.kVK_ANSI_Grave:
		return key.CodeGraveAccent
	case C.kVK_ANSI_Comma:
		return key.CodeComma
	case C.kVK_ANSI_Period:
		return key.CodeFullStop
	case C.kVK_ANSI_Slash:
		return key.CodeSlash
	case C.kVK_CapsLock:
		return key.CodeCapsLock
	case C.kVK_F1:
		return key.CodeF1
	case C.kVK_F2:
		return key.CodeF2
	case C.kVK_F3:
		return key.CodeF3
	case C.kVK_F4:
		return key.CodeF4
	case C.kVK_F5:
		return key.CodeF5
	case C.kVK_F6:
		return key.CodeF6
	case C.kVK_F7:
		return key.CodeF7
	case C.kVK_F8:
		return key.CodeF8
	case C.kVK_F9:
		return key.CodeF9
	case C.kVK_F10:
		return key.CodeF10
	case C.kVK_F11:
		return key.CodeF11
	case C.kVK_F12:
		return key.CodeF12
	// 70: PrintScreen
	// 71: Scroll Lock
	// 72: Pause
	// 73: Insert
	case C.kVK_Home:
		return key.CodeHome
	case C.kVK_PageUp:
		return key.CodePageUp
	case C.kVK_ForwardDelete:
		return key.CodeDeleteForward
	case C.kVK_End:
		return key.CodeEnd
	case C.kVK_PageDown:
		return key.CodePageDown
	case C.kVK_RightArrow:
		return key.CodeRightArrow
	case C.kVK_LeftArrow:
		return key.CodeLeftArrow
	case C.kVK_DownArrow:
		return key.CodeDownArrow
	case C.kVK_UpArrow:
		return key.CodeUpArrow
	case C.kVK_ANSI_KeypadClear:
		return key.CodeKeypadNumLock
	case C.kVK_ANSI_KeypadDivide:
		return key.CodeKeypadSlash
	case C.kVK_ANSI_KeypadMultiply:
		return key.CodeKeypadAsterisk
	case C.kVK_ANSI_KeypadMinus:
		return key.CodeKeypadHyphenMinus
	case C.kVK_ANSI_KeypadPlus:
		return key.CodeKeypadPlusSign
	case C.kVK_ANSI_KeypadEnter:
		return key.CodeKeypadEnter
	case C.kVK_ANSI_Keypad1:
		return key.CodeKeypad1
	case C.kVK_ANSI_Keypad2:
		return key.CodeKeypad2
	case C.kVK_ANSI_Keypad3:
		return key.CodeKeypad3
	case C.kVK_ANSI_Keypad4:
		return key.CodeKeypad4
	case C.kVK_ANSI_Keypad5:
		return key.CodeKeypad5
	case C.kVK_ANSI_Keypad6:
		return key.CodeKeypad6
	case C.kVK_ANSI_Keypad7:
		return key.CodeKeypad7
	case C.kVK_ANSI_Keypad8:
		return key.CodeKeypad8
	case C.kVK_ANSI_Keypad9:
		return key.CodeKeypad9
	case C.kVK_ANSI_Keypad0:
		return key.CodeKeypad0
	case C.kVK_ANSI_KeypadDecimal:
		return key.CodeKeypadFullStop
	case C.kVK_ANSI_KeypadEquals:
		return key.CodeKeypadEqualSign
	case C.kVK_F13:
		return key.CodeF13
	case C.kVK_F14:
		return key.CodeF14
	case C.kVK_F15:
		return key.CodeF15
	case C.kVK_F16:
		return key.CodeF16
	case C.kVK_F17:
		return key.CodeF17
	case C.kVK_F18:
		return key.CodeF18
	case C.kVK_F19:
		return key.CodeF19
	case C.kVK_F20:
		return key.CodeF20
	// 116: Keyboard Execute
	case C.kVK_Help:
		return key.CodeHelp
	// 118: Keyboard Menu
	// 119: Keyboard Select
	// 120: Keyboard Stop
	// 121: Keyboard Again
	// 122: Keyboard Undo
	// 123: Keyboard Cut
	// 124: Keyboard Copy
	// 125: Keyboard Paste
	// 126: Keyboard Find
	case C.kVK_Mute:
		return key.CodeMute
	case C.kVK_VolumeUp:
		return key.CodeVolumeUp
	case C.kVK_VolumeDown:
		return key.CodeVolumeDown
	// 130: Keyboard Locking Caps Lock
	// 131: Keyboard Locking Num Lock
	// 132: Keyboard Locking Scroll Lock
	// 133: Keyboard Comma
	// 134: Keyboard Equal Sign
	// ...: Bunch of stuff
	case C.kVK_Control:
		return key.CodeLeftControl
	case C.kVK_Shift:
		return key.CodeLeftShift
	case C.kVK_Option:
		return key.CodeLeftAlt
	case C.kVK_Command:
		return key.CodeLeftGUI
	case C.kVK_RightControl:
		return key.CodeRightControl
	case C.kVK_RightShift:
		return key.CodeRightShift
	case C.kVK_RightOption:
		return key.CodeRightAlt
	// TODO key.CodeRightGUI
	default:
		return key.CodeUnknown
	}
}