void PullScreen()
{
try
{
do
{
ConsoleUtilities.CONSOLE_SCREEN_BUFFER_INFO bufferinfo;
if (ConsoleUtilities.GetConsoleScreenBufferInfo(consolestdout, out bufferinfo) == false)
{
Debug.WriteLine("GetConsoleScreenBufferInfo() failed");
Thread.Sleep(1000);
continue;
}
Push_Stdio_StdOut std = new Push_Stdio_StdOut();
std.WindowsY = (bufferinfo.srWindow.Bottom - bufferinfo.srWindow.Top) + 1;
std.WindowsX = (bufferinfo.srWindow.Right - bufferinfo.srWindow.Left) + 1;
ConsoleUtilities.SMALL_RECT r = bufferinfo.srWindow;
ConsoleUtilities.COORD csz = new ConsoleUtilities.COORD();
csz.X = (short)std.WindowsX;
csz.Y = (short)std.WindowsY;
ConsoleUtilities.COORD ccoord = new ConsoleUtilities.COORD();
ccoord.X = 0; ccoord.Y = 0;
ConsoleUtilities.CHAR_INFO2[] info = new ConsoleUtilities.CHAR_INFO2[csz.X * csz.Y];
if (ConsoleUtilities.ReadConsoleOutput(consolestdout, info, csz, ccoord, ref r) == false)
{
Debug.WriteLine("ReadConsoleOutput() failed");
Thread.Sleep(1000);
continue;
}
std.CursorX = bufferinfo.dwCursorPosition.X - bufferinfo.srWindow.Left;
std.CursorY = bufferinfo.dwCursorPosition.Y - bufferinfo.srWindow.Top;
std.SessionID = SessionID;
std.State = PushStdoutState.OK;
std.Data = info;
if (BufferChanged(std) == true)
{
consoleendSetResultStacked.SetResultStacked(std);
lastbuffer = std;
Thread.Sleep(10); //a trick to "skip" some pages, due some intense scrolling
}
else
{
Thread.Sleep(100); //polling principle :-(
}
} while (consoleproc.HasExited == false);
}
catch (Exception ee)
{
Debug.WriteLine(ee.ToString());
}
try
{
Push_Stdio_StdOut std = new Push_Stdio_StdOut();
std.State = PushStdoutState.End;
consoleendSetResultStacked.SetResultStacked(std);
}
catch
{
}
}
private static void ProcessConsoleData(Push_Stdio_StdOut std)
{
if (std.WindowsX != LastBuffer.WindowsX || std.WindowsY != LastBuffer.WindowsY)
{
ConsoleUtilities.CONSOLE_SCREEN_BUFFER_INFO_EX ex = new ConsoleUtilities.CONSOLE_SCREEN_BUFFER_INFO_EX();
ex.cbSize = 96;
res = ConsoleUtilities.GetConsoleScreenBufferInfoEx(StdOutHandle, ref ex);
ex.dwMaximumWindowSize.X = ex.dwSize.X = (short)std.WindowsX;
ex.dwMaximumWindowSize.Y = ex.dwSize.Y = (short)std.WindowsY;
ex.srWindow.Top = ex.srWindow.Left = 0;
ex.srWindow.Right = (short)std.WindowsX;
ex.srWindow.Bottom = (short)std.WindowsY;
res = ConsoleUtilities.SetConsoleScreenBufferInfoEx(StdOutHandle, ref ex);
}
if (std.CursorX != LastBuffer.CursorX || std.CursorY != LastBuffer.CursorY)
{
ConsoleUtilities.COORD c = new ConsoleUtilities.COORD();
c.X = (short)std.CursorX;
c.Y = (short)std.CursorY;
res = ConsoleUtilities.SetConsoleCursorPosition(StdOutHandle, c);
}
if (std.Data == null)
{
std.Data = new ConsoleUtilities.CHAR_INFO2[1];
}
if (LastBuffer.Data == null)
{
LastBuffer.Data = new ConsoleUtilities.CHAR_INFO2[1];
}
bool DataModified = false;
if (std.Data.Length != LastBuffer.Data.Length)
{
DataModified = true;
}
if (DataModified == false)
{
for (int i = 0; i < std.Data.Length; i++)
{
if (LastBuffer.Data[i].b[0] != std.Data[i].b[0] ||
LastBuffer.Data[i].b[1] != std.Data[i].b[1] ||
LastBuffer.Data[i].b[2] != std.Data[i].b[2] ||
LastBuffer.Data[i].b[3] != std.Data[i].b[3])
{
DataModified = true;
break;
}
}
}
if (DataModified == true)
{
ConsoleUtilities.COORD c = new ConsoleUtilities.COORD();
c.X = (short)std.WindowsX;
c.Y = (short)std.WindowsY;
ConsoleUtilities.COORD p = new ConsoleUtilities.COORD();
p.X = p.Y = 0;
ConsoleUtilities.SMALL_RECT r = new ConsoleUtilities.SMALL_RECT();
r.Left = r.Top = 0;
r.Right = (short)std.WindowsX;
r.Bottom = (short)std.WindowsY;
res = ConsoleUtilities.WriteConsoleOutput(StdOutHandle, std.Data, c, p, ref r);
}
LastBuffer = std;
}
