private IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0)
{
var st = Marshal.PtrToStructure <KeyboardLowLevelHookStruct>(lParam);
OnKeyboardKeyPress?.Invoke(this, new KeyboardInputEventArgs(st.vkCode, (KeyboardHookHelper.KeyboardMessage)wParam));
}
return(KeyboardHookHelper.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
}
private void Udp_OnMessageReceived(object sender, string message)
{
//message format: [COMMAND_ID:DATA:TARGET_NAME]
//is message valid
if (!message.StartsWith("[") || !message.EndsWith("]"))//message isn't boxed properly, this probably wasn't even meant for us, likely just a beacon echo
{
//OnError?.Invoke(this, new IOException($"message wasn't boxed properly: {message}"));
return;
}
OnMouseSignalReceived?.Invoke(this, message);
var commandParts = message.Trim('[', ']').Split(':');
if (commandParts.Length != 3)//message had too many parts
{
OnError?.Invoke(this, new IOException($"message is not internally formatted correctly, should be 3 parts: {message}"));
return;
}
var commandId = 0;
if (!int.TryParse(commandParts[0], out commandId))
{
OnError?.Invoke(this, new IOException($"invalid commandId string, must be an integer value, received {commandParts[0]}"));
return;
}
//route message
switch (commandId)
{
case PhoneRemoteCommands.MOUSE_POSITION_MOVE:
{
//format of x,y
var dataParts = commandParts[1].Split(',');
var x = 0;
var y = 0;
if (dataParts.Length != 2 || !int.TryParse(dataParts[0], out x) || !int.TryParse(dataParts[1], out y))
{
OnError?.Invoke(this, new IOException($"move command data invalid: {commandParts[1]} in message {message}"));
}
if (x == 0 && y == 0) //not an error, just not useful
{
return;
}
OnMouseMove?.Invoke(this, new Point(x, y));
break;
}
case PhoneRemoteCommands.MOUSE_POSITION_SET:
{
var dataParts = commandParts[1].Split(',');
var x = 0;
var y = 0;
if (dataParts.Length != 2 || !int.TryParse(dataParts[0], out x) || !int.TryParse(dataParts[1], out y))
{
OnError?.Invoke(this, new IOException($"set command data invalid: {commandParts[1]} in message {message}"));
}
OnMouseSet?.Invoke(this, new Point(x, y));
break;
}
case PhoneRemoteCommands.MOUSE_LEFT_CLICK:
OnMouseLeftClick?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_LEFT_DOUBLE_CLICK:
OnMouseDoubleLeftClick?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_LEFT_PRESS:
OnMouseLeftPress?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_LEFT_RELEASE:
OnMouseLeftRelease?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_RIGHT_CLICK:
OnMouseRightClick?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_RIGHT_DOUBLE_CLICK:
OnMouseDoubleRightClick?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_RIGHT_PRESS:
OnMouseRightPress?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_RIGHT_RELEASE:
OnMouseRightRelease?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_SCROLLWHEEL_CLICK:
OnScrollwheelClick?.Invoke(this, EventArgs.Empty);
break;
case PhoneRemoteCommands.MOUSE_SCROLLWHEEL_SCROLL_MOVE:
{
var moveAmount = 0;
if (!int.TryParse(commandParts[1], out moveAmount))
{
OnError?.Invoke(this, new IOException($"mouse scroll data invalid: {commandParts[1]}, message: {message}"));
return;
}
OnScrollwheelMove?.Invoke(this, moveAmount);
break;
}
case PhoneRemoteCommands.KEYBOARD_KEY_CLICK:
{
if (string.IsNullOrWhiteSpace(commandParts[1]))
{
OnError?.Invoke(this, new IOException($"keyboard click data missing, message: {message}"));
return;
}
OnKeyboardKeyClick?.Invoke(this, commandParts[1]);
break;
}
case PhoneRemoteCommands.KEYBOARD_KEY_PRESS:
{
if (string.IsNullOrWhiteSpace(commandParts[1]))
{
OnError?.Invoke(this, new IOException($"keyboard press data missing, message: {message}"));
return;
}
OnKeyboardKeyPress?.Invoke(this, commandParts[1]);
break;
}
case PhoneRemoteCommands.KEYBOARD_KEY_RELEASE:
{
if (string.IsNullOrWhiteSpace(commandParts[1]))
{
OnError?.Invoke(this, new IOException($"keyboard release data missing, message: {message}"));
return;
}
OnKeyboardKeyRelease?.Invoke(this, commandParts[1]);
break;
}
case PhoneRemoteCommands.KEYBOARD_KEY_STRING:
{
if (string.IsNullOrWhiteSpace(commandParts[1]))
{
OnError?.Invoke(this, new IOException($"keyboard string data missing, message: {message}"));
return;
}
OnKeyboardKeyString?.Invoke(this, commandParts[1]);
break;
}
case PhoneRemoteCommands.INVALID_COMMAND:
default:
{
OnError?.Invoke(this, new IOException($"invalid commandId, no command associated with ID: {commandId}, message: {message}"));
return;
}
}
}