public static unsafe extern bool WriteConsoleOutput(
IntPtr hConsoleOutput,
CHAR_INFO *lpBuffer, //CHAR_INFO
SMALL_COORD dwBufferSize,
SMALL_COORD dwBufferCoord,
SMALL_RECT *lpWriteRegion
);
internal static unsafe extern bool WriteConsoleOutput(IntPtr hConsoleOutput, CHAR_INFO *buffer, COORD bufferSize, COORD bufferCoord, ref SMALL_RECT writeRegion);
public static extern int ReadConsoleOutputW([NativeTypeName("HANDLE")] IntPtr hConsoleOutput, [NativeTypeName("PCHAR_INFO")] CHAR_INFO *lpBuffer, COORD dwBufferSize, COORD dwBufferCoord, [NativeTypeName("PSMALL_RECT")] SMALL_RECT *lpReadRegion);
public static extern int WriteConsoleOutputA([NativeTypeName("HANDLE")] IntPtr hConsoleOutput, [NativeTypeName("const CHAR_INFO *")] CHAR_INFO *lpBuffer, COORD dwBufferSize, COORD dwBufferCoord, [NativeTypeName("PSMALL_RECT")] SMALL_RECT *lpWriteRegion);
public static extern int ScrollConsoleScreenBufferW([NativeTypeName("HANDLE")] IntPtr hConsoleOutput, [NativeTypeName("const SMALL_RECT *")] SMALL_RECT *lpScrollRectangle, [NativeTypeName("const SMALL_RECT *")] SMALL_RECT *lpClipRectangle, COORD dwDestinationOrigin, [NativeTypeName("const CHAR_INFO *")] CHAR_INFO *lpFill);
internal static extern unsafe bool ReadConsoleOutput(IntPtr hConsoleOutput, CHAR_INFO *pBuffer, COORD bufferSize, COORD bufferCoord, ref SMALL_RECT readRegion);
public void Refresh()
{
short w = BufferSize;
short h = BufferSize;
short x = 0;
short y = 0;
if (!_resizeFlag)
{
x = BufferSize - 1;
y = x;
short x2 = 0;
short y2 = 0;
for (short ix = 0; ix < BufferSize; ix++)
{
for (short iy = 0; iy < BufferSize; iy++)
{
var ofs = iy * BufferSize + ix;
var xor = (_buffer[ofs].Attributes ^ _buffer2[ofs].Attributes) |
(_buffer[ofs].Char ^ _buffer2[ofs].Char);
if (xor != 0)
{
x = Math.Min(x, ix);
y = Math.Min(y, iy);
x2 = Math.Max(x2, ix);
y2 = Math.Max(y2, iy);
}
}
}
if (x > x2)
{
x = (short)(x2 + 1);
}
if (y > y2)
{
y = (short)(y2 + 1);
}
w = (short)(x2 - x + 1);
h = (short)(y2 - y + 1);
}
var info = new CONSOLE_SCREEN_BUFFER_INFO();
GetConsoleScreenBufferInfo(_stdout, ref info);
var rect = new SMALL_RECT
{
Left = (short)(info.Window.Left + x),
Top = (short)(info.Window.Top + y),
Right = (short)(info.Window.Left + x + w - 1),
Bottom = (short)(info.Window.Top + y + h - 1)
};
Memset(new IntPtr(_buffer2), 0, BufferSize * BufferSize);
WriteConsoleOutputW(_stdout, new IntPtr(_buffer),
new COORD {
X = BufferSize, Y = BufferSize
},
new COORD {
X = x, Y = y
}, ref rect);
if (!_resizeFlag)
{
var tbuf = _buffer2;
_buffer2 = _buffer;
_buffer = tbuf;
}
_resizeFlag = false;
}
public WindowsNativeConsoleProvider()
{
_threadToken = new CancellationTokenSource();
_buffer = (CHAR_INFO *)Marshal.AllocHGlobal(BufferSize * BufferSize * CHAR_INFO.SizeOf).ToPointer();
_buffer2 = (CHAR_INFO *)Marshal.AllocHGlobal(BufferSize * BufferSize * CHAR_INFO.SizeOf).ToPointer();
_stdin = GetStdHandle(-10);
_stdout = GetStdHandle(-11);
{
var info = new CONSOLE_SCREEN_BUFFER_INFO();
GetConsoleScreenBufferInfo(_stdout, ref info);
WindowWidth = info.Window.Right - info.Window.Left + 1;
WindowHeight = info.Window.Bottom - info.Window.Top + 1;
_prevBuf = info.Size;
SetConsoleScreenBufferSize(_stdout, new COORD
{
X = (short)WindowWidth,
Y = (short)WindowHeight
});
}
new Thread(() => // window size monitor
{
while (!_threadToken.IsCancellationRequested)
{
Thread.Sleep(16);
var info = new CONSOLE_SCREEN_BUFFER_INFO();
GetConsoleScreenBufferInfo(_stdout, ref info);
int nw = info.Window.Right - info.Window.Left + 1,
nh = info.Window.Bottom - info.Window.Top + 1;
if (nw < 0)
{
nw = WindowWidth;
}
if (nh < 0)
{
nh = WindowHeight; // fukken winapi bugs
}
if (nw == WindowWidth && nh == WindowHeight)
{
continue;
}
var pw = WindowWidth;
var ph = WindowHeight;
_resizeFlag = true;
WindowWidth = nw;
WindowHeight = nh;
SetConsoleScreenBufferSize(_stdout, new COORD
{
X = (short)WindowWidth,
Y = (short)WindowHeight
});
try
{
SizeChanged?.Invoke(this, new SizeChangedEventArgs(new Size(pw, ph), new Size(nw, nh)));
}
catch
{
/* Do not care if subscriber f****d up */
}
//Refresh();
}
})
{
Priority = ThreadPriority.Lowest
}.Start();
_keyboardThread = new Thread(() => // keyboard monitor
{
INPUT_RECORD *charBuf = stackalloc INPUT_RECORD[1];
var ptr = new IntPtr(charBuf);
var sizeOf = Marshal.SizeOf(typeof(INPUT_RECORD));
while (!_threadToken.IsCancellationRequested)
{
try
{
uint nchars = 0;
Memset(ptr, 0, sizeOf);
ReadConsoleInputW(_stdin, ptr, 1, ref nchars);
if (charBuf->EventType == 1 && nchars == 1 && charBuf->KeyEvent.KeyDown)
{
KeyPressed?.Invoke(
this,
new KeyPressedEventArgs(new ConsoleKeyInfo(
charBuf->KeyEvent.Char,
(ConsoleKey)charBuf->KeyEvent.KeyCode,
(charBuf->KeyEvent.ControlKeyState & 0x10) > 0,
(charBuf->KeyEvent.ControlKeyState & 0x03) > 0,
(charBuf->KeyEvent.ControlKeyState & 0x0c) > 0
)));
}
}
catch { }
}
});
_keyboardThread.Start();
}
public static extern BOOL ReadConsoleOutputA(HANDLE hConsoleOutput, [NativeTypeName("PCHAR_INFO")] CHAR_INFO *lpBuffer, COORD dwBufferSize, COORD dwBufferCoord, [NativeTypeName("PSMALL_RECT")] SMALL_RECT *lpReadRegion);
public static extern BOOL WriteConsoleOutputW(HANDLE hConsoleOutput, [NativeTypeName("const CHAR_INFO *")] CHAR_INFO *lpBuffer, COORD dwBufferSize, COORD dwBufferCoord, [NativeTypeName("PSMALL_RECT")] SMALL_RECT *lpWriteRegion);