keys.go
func (k Key) String() string {
	switch k {
	case Key0:
		return "0"
	case Key1:
		return "1"
	case Key2:
		return "2"
	case Key3:
		return "3"
	case Key4:
		return "4"
	case Key5:
		return "5"
	case Key6:
		return "6"
	case Key7:
		return "7"
	case Key8:
		return "8"
	case Key9:
		return "9"
	case KeyA:
		return "A"
	case KeyB:
		return "B"
	case KeyC:
		return "C"
	case KeyD:
		return "D"
	case KeyE:
		return "E"
	case KeyF:
		return "F"
	case KeyG:
		return "G"
	case KeyH:
		return "H"
	case KeyI:
		return "I"
	case KeyJ:
		return "J"
	case KeyK:
		return "K"
	case KeyL:
		return "L"
	case KeyM:
		return "M"
	case KeyN:
		return "N"
	case KeyO:
		return "O"
	case KeyP:
		return "P"
	case KeyQ:
		return "Q"
	case KeyR:
		return "R"
	case KeyS:
		return "S"
	case KeyT:
		return "T"
	case KeyU:
		return "U"
	case KeyV:
		return "V"
	case KeyW:
		return "W"
	case KeyX:
		return "X"
	case KeyY:
		return "Y"
	case KeyZ:
		return "Z"
	case KeyAlt:
		return "Alt"
	case KeyApostrophe:
		return "Apostrophe"
	case KeyBackslash:
		return "Backslash"
	case KeyBackspace:
		return "Backspace"
	case KeyCapsLock:
		return "CapsLock"
	case KeyComma:
		return "Comma"
	case KeyControl:
		return "Control"
	case KeyDelete:
		return "Delete"
	case KeyDown:
		return "Down"
	case KeyEnd:
		return "End"
	case KeyEnter:
		return "Enter"
	case KeyEqual:
		return "Equal"
	case KeyEscape:
		return "Escape"
	case KeyF1:
		return "F1"
	case KeyF2:
		return "F2"
	case KeyF3:
		return "F3"
	case KeyF4:
		return "F4"
	case KeyF5:
		return "F5"
	case KeyF6:
		return "F6"
	case KeyF7:
		return "F7"
	case KeyF8:
		return "F8"
	case KeyF9:
		return "F9"
	case KeyF10:
		return "F10"
	case KeyF11:
		return "F11"
	case KeyF12:
		return "F12"
	case KeyGraveAccent:
		return "GraveAccent"
	case KeyHome:
		return "Home"
	case KeyInsert:
		return "Insert"
	case KeyKP0:
		return "KP0"
	case KeyKP1:
		return "KP1"
	case KeyKP2:
		return "KP2"
	case KeyKP3:
		return "KP3"
	case KeyKP4:
		return "KP4"
	case KeyKP5:
		return "KP5"
	case KeyKP6:
		return "KP6"
	case KeyKP7:
		return "KP7"
	case KeyKP8:
		return "KP8"
	case KeyKP9:
		return "KP9"
	case KeyKPAdd:
		return "KPAdd"
	case KeyKPDecimal:
		return "KPDecimal"
	case KeyKPDivide:
		return "KPDivide"
	case KeyKPEnter:
		return "KPEnter"
	case KeyKPEqual:
		return "KPEqual"
	case KeyKPMultiply:
		return "KPMultiply"
	case KeyKPSubtract:
		return "KPSubtract"
	case KeyLeft:
		return "Left"
	case KeyLeftBracket:
		return "LeftBracket"
	case KeyMenu:
		return "Menu"
	case KeyMinus:
		return "Minus"
	case KeyNumLock:
		return "NumLock"
	case KeyPageDown:
		return "PageDown"
	case KeyPageUp:
		return "PageUp"
	case KeyPause:
		return "Pause"
	case KeyPeriod:
		return "Period"
	case KeyPrintScreen:
		return "PrintScreen"
	case KeyRight:
		return "Right"
	case KeyRightBracket:
		return "RightBracket"
	case KeyScrollLock:
		return "ScrollLock"
	case KeySemicolon:
		return "Semicolon"
	case KeyShift:
		return "Shift"
	case KeySlash:
		return "Slash"
	case KeySpace:
		return "Space"
	case KeyTab:
		return "Tab"
	case KeyUp:
		return "Up"
	}
	return ""
}
func (k Key) String() string {
	switch k {
	case Key0:
		return "0"
	case Key1:
		return "1"
	case Key2:
		return "2"
	case Key3:
		return "3"
	case Key4:
		return "4"
	case Key5:
		return "5"
	case Key6:
		return "6"
	case Key7:
		return "7"
	case Key8:
		return "8"
	case Key9:
		return "9"
	case KeyA:
		return "A"
	case KeyB:
		return "B"
	case KeyC:
		return "C"
	case KeyD:
		return "D"
	case KeyE:
		return "E"
	case KeyF:
		return "F"
	case KeyG:
		return "G"
	case KeyH:
		return "H"
	case KeyI:
		return "I"
	case KeyJ:
		return "J"
	case KeyK:
		return "K"
	case KeyL:
		return "L"
	case KeyM:
		return "M"
	case KeyN:
		return "N"
	case KeyO:
		return "O"
	case KeyP:
		return "P"
	case KeyQ:
		return "Q"
	case KeyR:
		return "R"
	case KeyS:
		return "S"
	case KeyT:
		return "T"
	case KeyU:
		return "U"
	case KeyV:
		return "V"
	case KeyW:
		return "W"
	case KeyX:
		return "X"
	case KeyY:
		return "Y"
	case KeyZ:
		return "Z"
	case KeyAlt:
		return "Alt"
	case KeyApostrophe:
		return "Apostrophe"
	case KeyBackslash:
		return "Backslash"
	case KeyBackspace:
		return "Backspace"
	case KeyCapsLock:
		return "CapsLock"
	case KeyComma:
		return "Comma"
	case KeyControl:
		return "Control"
	case KeyDelete:
		return "Delete"
	case KeyDown:
		return "Down"
	case KeyEnd:
		return "End"
	case KeyEnter:
		return "Enter"
	case KeyEqual:
		return "Equal"
	case KeyEscape:
		return "Escape"
	case KeyF1:
		return "F1"
	case KeyF2:
		return "F2"
	case KeyF3:
		return "F3"
	case KeyF4:
		return "F4"
	case KeyF5:
		return "F5"
	case KeyF6:
		return "F6"
	case KeyF7:
		return "F7"
	case KeyF8:
		return "F8"
	case KeyF9:
		return "F9"
	case KeyF10:
		return "F10"
	case KeyF11:
		return "F11"
	case KeyF12:
		return "F12"
	case KeyGraveAccent:
		return "GraveAccent"
	case KeyHome:
		return "Home"
	case KeyInsert:
		return "Insert"
	case KeyKP0:
		return "KP0"
	case KeyKP1:
		return "KP1"
	case KeyKP2:
		return "KP2"
	case KeyKP3:
		return "KP3"
	case KeyKP4:
		return "KP4"
	case KeyKP5:
		return "KP5"
	case KeyKP6:
		return "KP6"
	case KeyKP7:
		return "KP7"
	case KeyKP8:
		return "KP8"
	case KeyKP9:
		return "KP9"
	case KeyKPAdd:
		return "KPAdd"
	case KeyKPDecimal:
		return "KPDecimal"
	case KeyKPDivide:
		return "KPDivide"
	case KeyKPEnter:
		return "KPEnter"
	case KeyKPEqual:
		return "KPEqual"
	case KeyKPMultiply:
		return "KPMultiply"
	case KeyKPSubtract:
		return "KPSubtract"
	case KeyLeft:
		return "Left"
	case KeyLeftBracket:
		return "LeftBracket"
	case KeyMenu:
		return "Menu"
	case KeyMinus:
		return "Minus"
	case KeyNumLock:
		return "NumLock"
	case KeyPageDown:
		return "PageDown"
	case KeyPageUp:
		return "PageUp"
	case KeyPause:
		return "Pause"
	case KeyPeriod:
		return "Period"
	case KeyPrintScreen:
		return "PrintScreen"
	case KeyRight:
		return "Right"
	case KeyRightBracket:
		return "RightBracket"
	case KeyScrollLock:
		return "ScrollLock"
	case KeySemicolon:
		return "Semicolon"
	case KeyShift:
		return "Shift"
	case KeySlash:
		return "Slash"
	case KeySpace:
		return "Space"
	case KeyTab:
		return "Tab"
	case KeyUp:
		return "Up"
	}
	return ""
}
// String returns a string representing the key.
//
// If k is an undefined key, String returns an empty string.