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Fixed the corrupted screen after a console switching with ALT+TAB.

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svn path=/trunk/; revision=3998
This commit is contained in:
Hartmut Birr 2003-01-15 00:36:10 +00:00
parent 97bb8934e2
commit 594558c6e2
1 changed files with 12 additions and 8 deletions
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20
reactos/subsys/csrss/api/conio.c
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@ -1,4 +1,4 @@
/* $Id: conio.c,v 1.38 2002/11/12 00:48:26 mdill Exp $
/* $Id: conio.c,v 1.39 2003/01/15 00:36:10 hbirr Exp $
*
* reactos/subsys/csrss/api/conio.c
*
@ -573,11 +573,16 @@ static VOID CsrpDrawRegion(
return;
}
/* wrap back around the end of the buffer */
if( ++y == ScreenBuffer->MaxY )
y = 0;
SrcOffset += SrcDelta;
/* wrap back around the end of the buffer */
if( ++y == ScreenBuffer->MaxY )
{
y = 0;
SrcOffset = Region.Left * 2;
}
else
{
SrcOffset += SrcDelta;
}
}
Mode.dwMode = ENABLE_PROCESSED_OUTPUT;
Status = NtDeviceIoControlFile( ConsoleDeviceHandle, NULL, NULL, NULL, &Iosb,
@ -634,7 +639,7 @@ NTSTATUS STDCALL CsrInitConsoleScreenBuffer( PCSRSS_SCREEN_BUFFER Console )
Console->Header.Type = CSRSS_SCREEN_BUFFER_MAGIC;
Console->Header.ReferenceCount = 0;
Console->MaxX = PhysicalConsoleSize.X;
Console->MaxY = PhysicalConsoleSize.Y * 2;
Console->MaxY = PhysicalConsoleSize.Y;
Console->ShowX = 0;
Console->ShowY = 0;
Console->CurrentX = 0;
@ -1247,7 +1252,6 @@ CSR_API(CsrFillOutputChar)
}
X = Request->Data.FillOutputRequest.Position.X + Buff->ShowX;
Y = Request->Data.FillOutputRequest.Position.Y + Buff->ShowY;
for( i = 0; i < 20000; i++ );
for( i = 0; i < Request->Data.FillOutputRequest.Length; i++ )
{
Buff->Buffer[ (Y * 2 * Buff->MaxX) + (X * 2) ] = Request->Data.FillOutputRequest.Char;