mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 10:04:49 +00:00
Implemented IOCTL to draw screen buffer
Changed screen buffer from array of bytes to array of CHAR_INFO svn path=/trunk/; revision=1145
This commit is contained in:
Eric Kohl
parent
34010a1fcb
commit
a3160d79cd
6 changed files with 163 additions and 84 deletions
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@ -1,4 +1,4 @@
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/* $Id: blue.c,v 1.21 2000/04/23 17:42:57 phreak Exp $
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/* $Id: blue.c,v 1.22 2000/05/08 23:25:36 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -64,6 +64,13 @@ typedef struct _DEVICE_EXTENSION
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WORD Columns; /* Number of columns */
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} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
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#pragma pack(push,1)
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typedef struct _CHAR_CELL
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{
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UCHAR Character;
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UCHAR Attribute;
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} CHAR_CELL, *PCHAR_CELL;
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#pragma pack(pop)
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/* FUNCTIONS **************************************************************/
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@ -277,6 +284,47 @@ ScrWrite (PDEVICE_OBJECT DeviceObject, PIRP Irp)
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}
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static
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NTSTATUS
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BlueDraw (
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PDEVICE_EXTENSION DeviceExtension,
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PIRP Irp,
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PIO_STACK_LOCATION Stack
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)
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{
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PCONSOLE_DRAW DrawInfo;
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PCHAR_INFO CharBuffer;
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PCHAR_CELL VideoMemory;
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ULONG ScreenIndex;
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ULONG BufferIndex;
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ULONG x;
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ULONG y;
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DrawInfo = (PCONSOLE_DRAW)Irp->AssociatedIrp.SystemBuffer;
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CharBuffer = (PCHAR_INFO)MmGetSystemAddressForMdl(Irp->MdlAddress);
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VideoMemory = (PCHAR_CELL)DeviceExtension->VideoMemory;
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for (y = 0; y < DeviceExtension->Rows; y++)
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{
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for (x = 0; x < DeviceExtension->Columns; x++)
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{
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ScreenIndex = y *DeviceExtension->Columns + x;
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BufferIndex = (DrawInfo->Y + y) * DrawInfo->SizeX
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+ DrawInfo->X + x;
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VideoMemory[ScreenIndex].Character =
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(CHAR)CharBuffer[BufferIndex].Char.UnicodeChar;
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VideoMemory[ScreenIndex].Attribute =
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(CHAR)CharBuffer[BufferIndex].Attributes;
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}
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}
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Irp->IoStatus.Information = 0;
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return STATUS_SUCCESS;
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}
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NTSTATUS
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ScrIoControl (PDEVICE_OBJECT DeviceObject, PIRP Irp)
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{
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@ -563,6 +611,10 @@ ScrIoControl (PDEVICE_OBJECT DeviceObject, PIRP Irp)
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break;
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case IOCTL_CONSOLE_DRAW:
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Status = BlueDraw (DeviceExtension, Irp, stk);
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break;
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default:
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Status = STATUS_NOT_IMPLEMENTED;
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}
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@ -1,4 +1,4 @@
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# $Id: makefile,v 1.10 1999/12/18 10:17:41 ea Exp $
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# $Id: makefile,v 1.11 2000/05/08 23:25:36 ekohl Exp $
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#
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#
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TARGET = blue
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@ -47,7 +47,8 @@ $(TARGET).sys: $(OBJECTS)
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-Wl,--defsym,_end=end \
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-Wl,--defsym,_edata=__data_end__ \
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-Wl,--defsym,_etext=etext \
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-Wl,--base-file,base.tmp $(OBJECTS)
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-Wl,--base-file,base.tmp \
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$(OBJECTS)
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- $(RM) junk.tmp
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$(DLLTOOL) \
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--dllname $(TARGET).sys \
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@ -21,6 +21,8 @@
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#define IOCTL_CONSOLE_WRITE_OUTPUT_CHARACTER CTL_CODE(FILE_DEVICE_SCREEN, 0x822, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
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#define IOCTL_CONSOLE_DRAW CTL_CODE(FILE_DEVICE_SCREEN, 0x830, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
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/* TYPEDEFS **************************************************************/
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@ -49,5 +51,13 @@ typedef struct _OUTPUT_CHARACTER
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} OUTPUT_CHARACTER, *POUTPUT_CHARACTER;
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typedef struct _CONSOLE_DRAW
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{
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SHORT X; // Origin
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SHORT Y;
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SHORT SizeX; // Size of the screen buffer
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SHORT SizeY;
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} CONSOLE_DRAW, *PCONSOLE_DRAW;
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#endif /* _NTDDBLUE_H_INCLUDED_ */
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@ -120,31 +120,34 @@ WINBOOL STDCALL WriteConsoleA(HANDLE hConsoleOutput,
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{
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return(FALSE);
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}
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Request->Type = CSRSS_WRITE_CONSOLE;
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Request->Data.WriteConsoleRequest.ConsoleHandle = hConsoleOutput;
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Request->Data.WriteConsoleRequest.NrCharactersToWrite =
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nNumberOfCharsToWrite;
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// DbgPrint("nNumberOfCharsToWrite %d\n", nNumberOfCharsToWrite);
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// DbgPrint("Buffer %s\n", Request->Data.WriteConsoleRequest.Buffer);
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memcpy(Request->Data.WriteConsoleRequest.Buffer,
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lpBuffer,
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nNumberOfCharsToWrite);
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Status = CsrClientCallServer(Request,
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Status = CsrClientCallServer(Request,
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&Reply,
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sizeof(CSRSS_API_REQUEST) +
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nNumberOfCharsToWrite,
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sizeof(CSRSS_API_REPLY));
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HeapFree(GetProcessHeap(),
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0,
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Request);
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if (!NT_SUCCESS(Status))
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{
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return(FALSE);
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}
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HeapFree(GetProcessHeap(),
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0,
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Request);
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if (lpNumberOfCharsWritten != NULL)
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{
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*lpNumberOfCharsWritten =
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@ -1292,8 +1295,53 @@ WriteConsoleW(
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LPVOID lpReserved
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)
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{
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/* --- TO DO --- */
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return FALSE;
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#if 0
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PCSRSS_API_REQUEST Request;
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CSRSS_API_REPLY Reply;
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NTSTATUS Status;
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Request = HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(CSRSS_API_REQUEST) + nNumberOfCharsToWrite * sizeof(WCHAR));
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if (Request == NULL)
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{
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return(FALSE);
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}
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Request->Type = CSRSS_WRITE_CONSOLE;
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Request->Data.WriteConsoleRequest.ConsoleHandle = hConsoleOutput;
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Request->Data.WriteConsoleRequest.NrCharactersToWrite =
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nNumberOfCharsToWrite;
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// DbgPrint("nNumberOfCharsToWrite %d\n", nNumberOfCharsToWrite);
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// DbgPrint("Buffer %s\n", Request->Data.WriteConsoleRequest.Buffer);
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memcpy(Request->Data.WriteConsoleRequest.Buffer,
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lpBuffer,
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nNumberOfCharsToWrite * sizeof(WCHAR));
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Status = CsrClientCallServer(Request,
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&Reply,
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sizeof(CSRSS_API_REQUEST) +
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nNumberOfCharsToWrite,
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sizeof(CSRSS_API_REPLY));
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HeapFree(GetProcessHeap(),
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0,
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Request);
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if (!NT_SUCCESS(Status))
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{
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return(FALSE);
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}
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if (lpNumberOfCharsWritten != NULL)
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{
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*lpNumberOfCharsWritten =
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Reply.Data.WriteConsoleReply.NrCharactersWritten;
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}
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return(TRUE);
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#endif
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return FALSE;
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}
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@ -28,12 +28,12 @@ typedef struct CSRSS_CONSOLE_t
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CRITICAL_SECTION Lock;
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struct CSRSS_CONSOLE_t *Prev, *Next; /* Next and Prev consoles in console wheel */
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HANDLE ActiveEvent;
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BYTE *Buffer;
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PCHAR_INFO Buffer;
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USHORT MaxX, MaxY; /* size of the entire scrollback buffer */
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USHORT ShowX, ShowY; /* beginning offset for the actual display area */
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ULONG CurrentX;
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ULONG CurrentY;
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BYTE DefaultAttrib; /* default char attribute */
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WORD DefaultAttrib; /* default char attribute */
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LIST_ENTRY InputEvents; /* List head for input event queue */
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} CSRSS_CONSOLE, *PCSRSS_CONSOLE;
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@ -1,4 +1,4 @@
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/* $Id: conio.c,v 1.5 2000/04/23 17:44:53 phreak Exp $
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/* $Id: conio.c,v 1.6 2000/05/08 23:27:03 ekohl Exp $
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*
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* reactos/subsys/csrss/api/conio.c
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*
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@ -147,11 +147,9 @@ NTSTATUS CsrWriteConsole(PCSRSS_PROCESS_DATA ProcessData,
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PCSRSS_API_REQUEST Message,
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PCSRSS_API_REPLY LpcReply)
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{
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IO_STATUS_BLOCK Iosb;
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NTSTATUS Status;
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int i;
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BYTE *Buffer = Message->Data.WriteConsoleRequest.Buffer;
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PCSRSS_CONSOLE Console;
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int i;
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LpcReply->Header.MessageSize = sizeof(CSRSS_API_REPLY);
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LpcReply->Header.DataSize = sizeof(CSRSS_API_REPLY) -
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@ -163,7 +161,7 @@ NTSTATUS CsrWriteConsole(PCSRSS_PROCESS_DATA ProcessData,
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{
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switch( Buffer[ i ] )
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{
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case '\n': {
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case L'\n': {
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int c;
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Console->CurrentX = 0;
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/* slide the viewable screen */
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@ -176,26 +174,28 @@ NTSTATUS CsrWriteConsole(PCSRSS_PROCESS_DATA ProcessData,
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for( c = 0; c < Console->MaxX; c++ )
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{
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/* clear new line */
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Console->Buffer[ c * 2 ] = ' ';
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Console->Buffer[ (c * 2) + 1 ] = Console->DefaultAttrib;
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Console->Buffer[ c ].Char.UnicodeChar = L' ';
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Console->Buffer[ c ].Attributes = Console->DefaultAttrib;
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}
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}
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else for( c = 0; c < Console->MaxX; c++ )
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{
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/* clear new line */
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Console->Buffer[ 2 * ((Console->CurrentY * Console->MaxX) + c) ] = ' ';
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Console->Buffer[ (2 * ((Console->CurrentY * Console->MaxX) + c)) + 1 ] = Console->DefaultAttrib;
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + c ].Char.UnicodeChar = L' ';
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + c ].Attributes = Console->DefaultAttrib;
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}
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break;
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}
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case '\b': {
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case L'\b': {
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if( Console->CurrentX == 0 )
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{
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/* slide viewable screen up */
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if( Console->ShowY == Console->CurrentY )
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{
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if( Console->ShowY == 0 )
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Console->ShowY = Console->MaxY;
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else Console->ShowY--;
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}
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/* slide virtual position up */
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Console->CurrentX = Console->MaxX;
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if( Console->CurrentY == 0 )
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@ -203,14 +203,14 @@ NTSTATUS CsrWriteConsole(PCSRSS_PROCESS_DATA ProcessData,
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else Console->CurrentY--;
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}
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else Console->CurrentX--;
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Console->Buffer[ 2 * ((Console->CurrentY * Console->MaxX) + Console->CurrentX) ] = ' ';
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Console->Buffer[ (2 * ((Console->CurrentY * Console->MaxX) + Console->CurrentX)) + 1 ] = Console->DefaultAttrib;
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + Console->CurrentX ].Char.UnicodeChar = L' ';
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + Console->CurrentX ].Attributes = Console->DefaultAttrib;
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break;
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}
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default: {
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int c;
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Console->Buffer[ 2 * (((Console->CurrentY * Console->MaxX)) + Console->CurrentX) ] = Buffer[ i ];
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Console->Buffer[ (2 * ((Console->CurrentY * Console->MaxX) + Console->CurrentX)) + 1 ] = Console->DefaultAttrib;
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + Console->CurrentX ].Char.UnicodeChar = (WCHAR)Buffer[ i ];
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + Console->CurrentX ].Attributes = Console->DefaultAttrib;
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Console->CurrentX++;
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if( Console->CurrentX == Console->MaxX )
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{
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@ -223,16 +223,16 @@ NTSTATUS CsrWriteConsole(PCSRSS_PROCESS_DATA ProcessData,
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/* clear new line */
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for( c = 0; c < Console->MaxX; c++ )
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{
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Console->Buffer[ 2 * ((Console->CurrentY * Console->MaxX) + c) ] = ' ';
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Console->Buffer[ (2 * ((Console->CurrentY * Console->MaxX) + c)) + 1 ] = Console->DefaultAttrib;
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + c ].Char.UnicodeChar = L' ';
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + c ].Attributes = Console->DefaultAttrib;
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}
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}
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else {
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/* clear new line */
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for( c = 0; c < Console->MaxX; c += 2 )
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{
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Console->Buffer[ 2 * ((Console->CurrentY * Console->MaxX) + c) ] = ' ';
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Console->Buffer[ (2 * ((Console->CurrentY * Console->MaxX) + c)) + 1 ] = Console->DefaultAttrib;
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + c ].Char.UnicodeChar = L' ';
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Console->Buffer[ (Console->CurrentY * Console->MaxX) + c ].Attributes = Console->DefaultAttrib;
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}
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}
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/* slide the viewable screen */
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@ -246,19 +246,9 @@ NTSTATUS CsrWriteConsole(PCSRSS_PROCESS_DATA ProcessData,
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CsrUnlockObject( (Object_t *)Console );
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RtlEnterCriticalSection( &ActiveConsoleLock );
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if( Console == ActiveConsole )
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{ /* only write to screen if Console is Active, and not scrolled up */
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Status = NtWriteFile(ConsoleDeviceHandle,
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NULL,
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NULL,
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NULL,
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&Iosb,
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Message->Data.WriteConsoleRequest.Buffer,
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Message->Data.WriteConsoleRequest.NrCharactersToWrite,
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NULL,
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0);
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if (!NT_SUCCESS(Status))
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DbgPrint("CSR: Write failed\n");
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}
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{ /* only write to screen if Console is Active, and not scrolled up */
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CsrDrawConsole ( Console );
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}
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RtlLeaveCriticalSection( &ActiveConsoleLock );
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LpcReply->Data.WriteConsoleReply.NrCharactersWritten = i;
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LpcReply->Status = STATUS_SUCCESS;
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@ -279,7 +269,7 @@ NTSTATUS CsrInitConsole(PCSRSS_PROCESS_DATA ProcessData,
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Console->ReferenceCount = 0;
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Console->Type = CSRSS_CONSOLE_MAGIC;
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RtlInitializeCriticalSection( &Console->Lock );
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Console->Buffer = RtlAllocateHeap( CsrssApiHeap, 0, Console->MaxX * Console->MaxY * 2 );
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Console->Buffer = RtlAllocateHeap( CsrssApiHeap, 0, Console->MaxX * Console->MaxY * sizeof(CHAR_INFO) );
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if( Console->Buffer == 0 )
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return STATUS_INSUFFICIENT_RESOURCES;
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Console->InputEvents.Flink = Console->InputEvents.Blink = &Console->InputEvents;
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@ -295,8 +285,8 @@ NTSTATUS CsrInitConsole(PCSRSS_PROCESS_DATA ProcessData,
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{
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for( ; Console->CurrentX < Console->MaxX; Console->CurrentX++ )
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{
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Console->Buffer[ (Console->CurrentX * 2) + (Console->CurrentY * Console->MaxX * 2) ] = ' ';
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Console->Buffer[ (Console->CurrentX * 2) + (Console->CurrentY * Console->MaxX * 2)+ 1 ] = Console->DefaultAttrib;
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Console->Buffer[ Console->CurrentX + (Console->CurrentY * Console->MaxX) ].Char.UnicodeChar = L' ';
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Console->Buffer[ Console->CurrentX + (Console->CurrentY * Console->MaxX) ].Attributes = Console->DefaultAttrib;
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}
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Console->CurrentX = 0;
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}
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@ -328,51 +318,29 @@ NTSTATUS CsrInitConsole(PCSRSS_PROCESS_DATA ProcessData,
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**************************************************************/
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VOID CsrDrawConsole( PCSRSS_CONSOLE Console )
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{
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IO_STATUS_BLOCK Iosb;
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NTSTATUS Status;
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IO_STATUS_BLOCK Iosb;
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CONSOLE_DRAW DrawInfo;
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ULONG BufferSize;
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CONSOLE_SCREEN_BUFFER_INFO ScrInfo;
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CONSOLE_MODE Mode;
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int i, y;
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/* first set position to 0,0 */
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ScrInfo.dwCursorPosition.X = 0;
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ScrInfo.dwCursorPosition.Y = 0;
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ScrInfo.wAttributes = Console->DefaultAttrib;
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Status = NtDeviceIoControlFile( ConsoleDeviceHandle, NULL, NULL, NULL, &Iosb, IOCTL_CONSOLE_SET_SCREEN_BUFFER_INFO, &ScrInfo, sizeof( ScrInfo ), 0, 0 );
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DrawInfo.X = Console->ShowX;
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DrawInfo.Y = Console->ShowY;
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DrawInfo.SizeX = Console->MaxX;
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DrawInfo.SizeY = Console->MaxY;
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BufferSize = Console->MaxX * Console->MaxY * sizeof(CHAR_INFO);
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Status = NtDeviceIoControlFile( ConsoleDeviceHandle, NULL, NULL, NULL, &Iosb, IOCTL_CONSOLE_DRAW, &DrawInfo, sizeof( CONSOLE_DRAW ), Console->Buffer, BufferSize);
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if( !NT_SUCCESS( Status ) )
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{
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DbgPrint( "CSR: Failed to set console info\n" );
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return;
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}
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Mode.dwMode = 0; /* clear ENABLE_PROCESSED_OUTPUT mode */
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Status = NtDeviceIoControlFile( ConsoleDeviceHandle, NULL, NULL, NULL, &Iosb, IOCTL_CONSOLE_SET_MODE, &Mode, sizeof( Mode ), 0, 0 );
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if( !NT_SUCCESS( Status ) )
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{
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DbgPrint( "CSR: Failed to set console mode\n" );
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return;
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}
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/* blast out buffer */
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for( i = 0, y = Console->ShowY; i < PhysicalConsoleSize.Y; i++ )
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{
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Status = NtWriteFile( ConsoleDeviceHandle, NULL, NULL, NULL, &Iosb, &Console->Buffer[ (Console->ShowX * 2) + (y * Console->MaxX * 2) ], PhysicalConsoleSize.X * 2, 0, 0 );
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if( !NT_SUCCESS( Status ) )
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{
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DbgPrint( "CSR: Write to console failed\n" );
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return;
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}
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/* wrap back around the end of the buffer */
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if( ++y == Console->MaxY )
|
||||
y = 0;
|
||||
}
|
||||
Mode.dwMode = ENABLE_PROCESSED_OUTPUT;
|
||||
Status = NtDeviceIoControlFile( ConsoleDeviceHandle, NULL, NULL, NULL, &Iosb, IOCTL_CONSOLE_SET_MODE, &Mode, sizeof( Mode ), 0, 0 );
|
||||
if( !NT_SUCCESS( Status ) )
|
||||
{
|
||||
DbgPrint( "CSR: Failed to set console mode\n" );
|
||||
return;
|
||||
}
|
||||
|
||||
ScrInfo.dwCursorPosition.X = Console->CurrentX - Console->ShowX;
|
||||
ScrInfo.dwCursorPosition.Y = ((Console->CurrentY + Console->MaxY) - Console->ShowY) % Console->MaxY;
|
||||
ScrInfo.wAttributes = Console->DefaultAttrib;
|
||||
Status = NtDeviceIoControlFile( ConsoleDeviceHandle, NULL, NULL, NULL, &Iosb, IOCTL_CONSOLE_SET_SCREEN_BUFFER_INFO, &ScrInfo, sizeof( ScrInfo ), 0, 0 );
|
||||
if( !NT_SUCCESS( Status ) )
|
||||
{
|
||||
|
|
@ -381,7 +349,7 @@ VOID CsrDrawConsole( PCSRSS_CONSOLE Console )
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
VOID CsrDeleteConsole( PCSRSS_PROCESS_DATA ProcessData, PCSRSS_CONSOLE Console )
|
||||
{
|
||||
ConsoleInput *Event;
|
||||
|
|
|
|||
Loading…
Reference in a new issue