updateModifiers method
Implementation
void updateModifiers(KeyEvent event) {
final keyboard = HardwareKeyboard.instance;
isShiftPressed = keyboard.isShiftPressed;
if (!kIsWeb && (Platform.isMacOS || Platform.isIOS)) {
isMetaPressed = keyboard.isControlPressed;
isCtrlPressed = keyboard.isMetaPressed;
} else {
isMetaPressed = keyboard.isMetaPressed;
isCtrlPressed = keyboard.isControlPressed;
}
}