NTSTATUS NTAPI
ConDrvSetConsoleCursorPosition(IN PCONSOLE Console,
IN PTEXTMODE_SCREEN_BUFFER Buffer,
IN PCOORD Position)
{
SHORT OldCursorX, OldCursorY;
if (Console == NULL || Buffer == NULL || Position == NULL)
return STATUS_INVALID_PARAMETER;
/* Validity check */
ASSERT(Console == Buffer->Header.Console);
if ( Position->X < 0 || Position->X >= Buffer->ScreenBufferSize.X ||
Position->Y < 0 || Position->Y >= Buffer->ScreenBufferSize.Y )
{
return STATUS_INVALID_PARAMETER;
}
OldCursorX = Buffer->CursorPosition.X;
OldCursorY = Buffer->CursorPosition.Y;
Buffer->CursorPosition = *Position;
// Buffer->CursorPosition.X = Position->X;
// Buffer->CursorPosition.Y = Position->Y;
if ( ((PCONSOLE_SCREEN_BUFFER)Buffer == Console->ActiveBuffer) &&
(!ConioSetScreenInfo(Console, (PCONSOLE_SCREEN_BUFFER)Buffer, OldCursorX, OldCursorY)) )
{
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
}
static VOID
LineInputSetPos(PCSRSS_CONSOLE Console, UINT Pos)
{
if (Pos != Console->LinePos && Console->Mode & ENABLE_ECHO_INPUT)
{
PCSRSS_SCREEN_BUFFER Buffer = Console->ActiveBuffer;
UINT OldCursorX = Buffer->CurrentX;
UINT OldCursorY = Buffer->CurrentY;
INT XY = OldCursorY * Buffer->MaxX + OldCursorX;
XY += (Pos - Console->LinePos);
if (XY < 0)
XY = 0;
else if (XY >= Buffer->MaxY * Buffer->MaxX)
XY = Buffer->MaxY * Buffer->MaxX - 1;
Buffer->CurrentX = XY % Buffer->MaxX;
Buffer->CurrentY = XY / Buffer->MaxX;
ConioSetScreenInfo(Console, Buffer, OldCursorX, OldCursorY);
}
Console->LinePos = Pos;
}
static VOID
LineInputSetPos(PCONSOLE Console, UINT Pos)
{
if (Pos != Console->LinePos && Console->InputBuffer.Mode & ENABLE_ECHO_INPUT)
{
PCONSOLE_SCREEN_BUFFER Buffer = Console->ActiveBuffer;
SHORT OldCursorX = Buffer->CursorPosition.X;
SHORT OldCursorY = Buffer->CursorPosition.Y;
INT XY = OldCursorY * Buffer->ScreenBufferSize.X + OldCursorX;
XY += (Pos - Console->LinePos);
if (XY < 0)
XY = 0;
else if (XY >= Buffer->ScreenBufferSize.Y * Buffer->ScreenBufferSize.X)
XY = Buffer->ScreenBufferSize.Y * Buffer->ScreenBufferSize.X - 1;
Buffer->CursorPosition.X = XY % Buffer->ScreenBufferSize.X;
Buffer->CursorPosition.Y = XY / Buffer->ScreenBufferSize.X;
ConioSetScreenInfo(Console, Buffer, OldCursorX, OldCursorY);
}
Console->LinePos = Pos;
}
