invokeKey method

@override Future<bool> invokeKey(Map<String, dynamic> keyCode)

Implementation

@override
Future<bool> invokeKey(Map<String, dynamic> keyCode) async {
  final List<Map<String, dynamic>> platformKeyMappings =
      key_mappings.keyMapping;

  dynamic platformKeyCode;

  bool leftShiftPressed = false;
  bool rightShiftPressed = false;
  bool leftAltPressed = false;
  bool rightAltPressed = false;
  bool leftControlPressed = false;
  bool rightControlPressed = false;
  bool leftMetaPressed = false;
  bool rightMetaPressed = false;

  // iterate through the list of key mappings and replace the keyCode with the actual key value for the specific platform
  if (Platform.isWindows) {
    for (var platformKey in platformKeyMappings) {
      if (keyCode['keyCode'] == platformKey['logicalKeyId']) {
        platformKeyCode = platformKey['windowsValue'];
      }
    }
  } else if (Platform.isMacOS) {
    for (var platformKey in platformKeyMappings) {
      if (keyCode['keyCode'] == platformKey['logicalKeyId']) {
        platformKeyCode = platformKey['macOSValue'];
      }
    }
  } else if (Platform.isLinux) {
    for (var platformKey in platformKeyMappings) {
      if (keyCode['keyCode'] == platformKey['logicalKeyId']) {
        platformKeyCode = platformKey['linuxValue'];
      }
    }
  }
  // iterate through the list of modifiers and set the modifier variables to true if the modifier is pressed
  if (keyCode["modifiers"]["shiftLeft"] == true) {
    leftShiftPressed = true;
  }
  if (keyCode["modifiers"]["shiftRight"] == true) {
    rightShiftPressed = true;
  }
  if (keyCode["modifiers"]["altLeft"] == true) {
    leftAltPressed = true;
  }
  if (keyCode["modifiers"]["altRight"] == true) {
    rightAltPressed = true;
  }
  if (keyCode["modifiers"]["controlLeft"] == true) {
    leftControlPressed = true;
  }
  if (keyCode["modifiers"]["controlRight"] == true) {
    rightControlPressed = true;
  }
  if (keyCode["modifiers"]["metaLeft"] == true) {
    leftMetaPressed = true;
  }
  if (keyCode["modifiers"]["metaRight"] == true) {
    rightMetaPressed = true;
  }

  final response = await methodChannel.invokeMethod<bool>(
    'invokeKey',
    {
      "platformKeyCode": platformKeyCode,
      "leftShiftPressed": leftShiftPressed,
      "rightShiftPressed": rightShiftPressed,
      "leftAltPressed": leftAltPressed,
      "rightAltPressed": rightAltPressed,
      "leftControlPressed": leftControlPressed,
      "rightControlPressed": rightControlPressed,
      "leftMetaPressed": leftMetaPressed,
      "rightMetaPressed": rightMetaPressed
    },
  );
  if (response != null && response == true) {
    return true;
  } else {
    return false;
  }
}