public static void WritePointerEvent(Stream a_stream, VncEnum.PointerEventButtonMask a_buttonMask, UInt16 a_xpos, UInt16 a_ypos)
{
byte[] buffer = new byte[6];
buffer[0] = (byte)VncEnum.MessageTypeClientToServer.PointerEvent; // 5
buffer[1] = (byte)a_buttonMask;
Array.Copy(BigEndianBitConverter.GetBytes(a_xpos), 0, buffer, 2, 2);
Array.Copy(BigEndianBitConverter.GetBytes(a_ypos), 0, buffer, 4, 2);
a_stream.Write(buffer, 0, buffer.Length);
}
private void mouseEvent(object sender, MouseEventArgs e)
{
if (m_client != null && m_client.Connected)
{
// If the size is too small, Numerator will be 0.
// In this case, divide by 0, so do not do anything
if (m_xZoom.Numerator == 0 || m_yZoom.Numerator == 0)
{
return;
}
int xpos = (int)(e.X * m_xZoom.Denominator / m_xZoom.Numerator);
int ypos = (int)(e.Y * m_yZoom.Denominator / m_yZoom.Numerator);
VncEnum.PointerEventButtonMask mask = VncEnum.PointerEventButtonMask.None;
if (e.Button == MouseButtons.Left)
{
mask |= VncEnum.PointerEventButtonMask.MouseButtonLeft;
}
if (e.Button == MouseButtons.Middle)
{
mask |= VncEnum.PointerEventButtonMask.MouseButtonMiddle;
}
if (e.Button == MouseButtons.Right)
{
mask |= VncEnum.PointerEventButtonMask.MouseButtonRight;
}
if (e.Delta > 0)
{
mask |= VncEnum.PointerEventButtonMask.MouseWheelUp;
}
if (e.Delta < 0)
{
mask |= VncEnum.PointerEventButtonMask.MouseWheelDown;
}
// If FramebufferUpdate is not received, the screen is not updated and the mouse pointer event is not send.
// Because there is such a scene, if you do not send the mouse pointer event for a certain time, send it.
if ((DateTime.Now - m_lastPointerSendDt).TotalMilliseconds > 20)
{
m_client.WritePointerEvent(mask, (UInt16)xpos, (UInt16)ypos);
m_last.Enable = false;
}
else
{
// Since it is useless to send every time, only record it.
// Then, it transmits at the interval of OnPaint.
m_last.Enable = true;
m_last.Mask = mask;
m_last.X = xpos;
m_last.Y = ypos;
}
}
}
public void WritePointerEvent(VncEnum.PointerEventButtonMask a_buttonMask, UInt16 a_x, UInt16 a_y)
{
if (!ClientConfig.IsSendPointer)
{
return;
}
try
{
VncComm.WritePointerEvent(m_writeStream, a_buttonMask, a_x, a_y);
}
catch (Exception a_ex)
{
cleanupForDisconnect(a_ex);
onDisconnected(new VncCauseEventArgs(a_ex));
}
}
