/*++

Copyright (c) 1990  Microsoft Corporation

Module Name:

    getset.c

Abstract:

        This file implements the NT console server console state API

Author:

    Therese Stowell (thereses) 5-Dec-1990

Revision History:

--*/

#include "precomp.h"
#pragma hdrstop

#ifdef i386
VOID
ReverseMousePointer(
    IN PSCREEN_INFORMATION ScreenInfo,
    IN PSMALL_RECT Region
    );
#endif

ULONG
SrvGetConsoleMode(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_MODE_MSG a = (PCONSOLE_MODE_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->Handle,
                                 (ULONG)CONSOLE_ANY_HANDLE,
                                 GENERIC_READ,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {

        //
        // check handle type and access
        //

        if (HandleData->HandleType & CONSOLE_INPUT_HANDLE) {
            a->Mode = HandleData->Buffer.InputBuffer->InputMode;
            if (Console->Flags & CONSOLE_USE_PRIVATE_FLAGS) {
                a->Mode |= ENABLE_PRIVATE_FLAGS;
                if (Console->InsertMode) {
                    a->Mode |= ENABLE_INSERT_MODE;
                }
                if (Console->Flags & CONSOLE_QUICK_EDIT_MODE) {
                    a->Mode |= ENABLE_QUICK_EDIT_MODE;
                }
            }
        } else {
            a->Mode = HandleData->Buffer.ScreenBuffer->OutputMode;
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleNumberOfFonts(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETNUMBEROFFONTS_MSG a = (PCONSOLE_GETNUMBEROFFONTS_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    if (Console->FullScreenFlags & CONSOLE_FULLSCREEN) {
        Status = STATUS_FULLSCREEN_MODE;
    } else {
        Status = GetNumFonts(&a->NumberOfFonts);
    }
    UnlockConsole(Console);
    return Status;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleNumberOfInputEvents(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETNUMBEROFINPUTEVENTS_MSG a = (PCONSOLE_GETNUMBEROFINPUTEVENTS_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->InputHandle,
                                 CONSOLE_INPUT_HANDLE,
                                 GENERIC_READ,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        Status = GetNumberOfReadyEvents(HandleData->Buffer.InputBuffer,
                                      &a->ReadyEvents
                                     );
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleScreenBufferInfo(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETSCREENBUFFERINFO_MSG a = (PCONSOLE_GETSCREENBUFFERINFO_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_READ,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        Status = GetScreenBufferInformation(HandleData->Buffer.ScreenBuffer,
                                          &a->Size,
                                          &a->CursorPosition,
                                          &a->ScrollPosition,
                                          &a->Attributes,
                                          &a->CurrentWindowSize,
                                          &a->MaximumWindowSize
                                         );
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleCursorInfo(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETCURSORINFO_MSG a = (PCONSOLE_GETCURSORINFO_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_READ,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        a->CursorSize = HandleData->Buffer.ScreenBuffer->BufferInfo.TextInfo.CursorSize;
        a->Visible = (BOOLEAN) HandleData->Buffer.ScreenBuffer->BufferInfo.TextInfo.CursorVisible;
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleMouseInfo(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETMOUSEINFO_MSG a = (PCONSOLE_GETMOUSEINFO_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = GetMouseButtons(&a->NumButtons);
    UnlockConsole(Console);
    return Status;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleFontInfo(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETFONTINFO_MSG a = (PCONSOLE_GETFONTINFO_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_READ,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        if (HandleData->Buffer.ScreenBuffer->Console->FullScreenFlags & CONSOLE_FULLSCREEN) {
            Status = STATUS_FULLSCREEN_MODE;
        } else {
            Status = GetAvailableFonts(HandleData->Buffer.ScreenBuffer,
                                     a->MaximumWindow,
                                     a->BufPtr,
                                     &a->NumFonts
                                    );
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleFontSize(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETFONTSIZE_MSG a = (PCONSOLE_GETFONTSIZE_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_READ,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        if (HandleData->Buffer.ScreenBuffer->Console->FullScreenFlags & CONSOLE_FULLSCREEN) {
            Status = STATUS_FULLSCREEN_MODE;
        } else {
            Status = GetFontSize(a->FontIndex,
                               &a->FontSize
                              );
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleCurrentFont(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETCURRENTFONT_MSG a = (PCONSOLE_GETCURRENTFONT_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_READ,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        if (HandleData->Buffer.ScreenBuffer->Console->FullScreenFlags & CONSOLE_FULLSCREEN) {
            Status = STATUS_FULLSCREEN_MODE;
        } else {
            Status = GetCurrentFont(HandleData->Buffer.ScreenBuffer,
                                  a->MaximumWindow,
                                  &a->FontIndex,
                                  &a->FontSize
                                 );
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvSetConsoleMode(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_MODE_MSG a = (PCONSOLE_MODE_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    try {
        Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                     a->Handle,
                                     (ULONG)CONSOLE_ANY_HANDLE,
                                     GENERIC_WRITE,
                                     &HandleData
                                    );
        if (!NT_SUCCESS(Status)) {
            leave;
        }

        if (HandleData->HandleType & CONSOLE_INPUT_HANDLE) {
            if (a->Mode & ~(INPUT_MODES | PRIVATE_MODES)) {
                Status = STATUS_INVALID_PARAMETER;
                leave;
            }
            if ((a->Mode & (ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT)) == ENABLE_ECHO_INPUT) {
                Status = STATUS_INVALID_PARAMETER;
                leave;
            }
            if (a->Mode & PRIVATE_MODES) {
                Console->Flags |= CONSOLE_USE_PRIVATE_FLAGS;
                if (a->Mode & ENABLE_QUICK_EDIT_MODE) {
                    Console->Flags |= CONSOLE_QUICK_EDIT_MODE;
                } else {
                    Console->Flags &= ~CONSOLE_QUICK_EDIT_MODE;
                }
                if (a->Mode & ENABLE_INSERT_MODE) {
                    Console->InsertMode = TRUE;
                } else {
                    Console->InsertMode = FALSE;
                }
            } else {
                Console->Flags &= ~CONSOLE_USE_PRIVATE_FLAGS;
            }

#ifdef i386
            if (Console->FullScreenFlags & CONSOLE_FULLSCREEN_HARDWARE &&
                Console->CurrentScreenBuffer->Flags & CONSOLE_TEXTMODE_BUFFER &&
                (a->Mode & ENABLE_MOUSE_INPUT) != (HandleData->Buffer.InputBuffer->InputMode & ENABLE_MOUSE_INPUT)) {
                if (a->Mode & ENABLE_MOUSE_INPUT) {
                    HandleData->Buffer.InputBuffer->InputMode |= ENABLE_MOUSE_INPUT;
                }
                ReverseMousePointer(Console->CurrentScreenBuffer,
                                    &Console->CurrentScreenBuffer->Window);
            }
#endif
            HandleData->Buffer.InputBuffer->InputMode = a->Mode & ~PRIVATE_MODES;
        }
        else {
            if (a->Mode & ~OUTPUT_MODES) {
                Status = STATUS_INVALID_PARAMETER;
                leave;
            }
            HandleData->Buffer.ScreenBuffer->OutputMode = a->Mode;
        }
    } finally {
        UnlockConsole(Console);
    }
    return Status;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGenerateConsoleCtrlEvent(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_CTRLEVENT_MSG a = (PCONSOLE_CTRLEVENT_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    try {
        Console->LimitingProcessId = a->ProcessGroupId;

        HandleCtrlEvent(Console, a->CtrlEvent);

    } finally {
        UnlockConsole(Console);
    }
    return STATUS_SUCCESS;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvSetConsoleActiveScreenBuffer(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETACTIVESCREENBUFFER_MSG a = (PCONSOLE_SETACTIVESCREENBUFFER_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_GRAPHICS_OUTPUT_HANDLE | CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        Status = SetActiveScreenBuffer(HandleData->Buffer.ScreenBuffer);
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}


ULONG
SrvFlushConsoleInputBuffer(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_FLUSHINPUTBUFFER_MSG a = (PCONSOLE_FLUSHINPUTBUFFER_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->InputHandle,
                                 CONSOLE_INPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        Status = FlushInputBuffer(HandleData->Buffer.InputBuffer);
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetLargestConsoleWindowSize(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETLARGESTWINDOWSIZE_MSG a = (PCONSOLE_GETLARGESTWINDOWSIZE_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;
    PSCREEN_INFORMATION ScreenInfo;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        COORD FontSize;

        ScreenInfo = HandleData->Buffer.ScreenBuffer;
        if (ScreenInfo->Console->FullScreenFlags & CONSOLE_FULLSCREEN_HARDWARE) {
            a->Size.X = 80;
            a->Size.Y = 50;
        } else {
            if (ScreenInfo->Flags & CONSOLE_TEXTMODE_BUFFER) {
                FontSize = ScreenInfo->BufferInfo.TextInfo.FontSize;
            } else {
                FontSize.X = 1;
                FontSize.Y = 1;
            }

            a->Size.X = (SHORT)(ConsoleFullScreenX / FontSize.X);
            a->Size.Y = (SHORT)(ConsoleFullScreenY / FontSize.Y);
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvSetConsoleScreenBufferSize(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETSCREENBUFFERSIZE_MSG a = (PCONSOLE_SETSCREENBUFFERSIZE_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;
    PSCREEN_INFORMATION ScreenInfo;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {

        ScreenInfo = HandleData->Buffer.ScreenBuffer;

        //
        // make sure requested screen buffer size isn't smaller than the window
        //

        if (a->Size.X < CONSOLE_WINDOW_SIZE_X(ScreenInfo) ||
            a->Size.Y < CONSOLE_WINDOW_SIZE_Y(ScreenInfo) ||
            a->Size.Y < 1 ||
            a->Size.X < ScreenInfo->MinX) {
            Status = STATUS_INVALID_PARAMETER;
        }
        else if (a->Size.X == ScreenInfo->ScreenBufferSize.X &&
                 a->Size.Y == ScreenInfo->ScreenBufferSize.Y) {
            Status = STATUS_SUCCESS;
        } else {
            Status = ResizeScreenBuffer(ScreenInfo,
                                  a->Size,
                                  TRUE);
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvSetConsoleCursorPosition(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETCURSORPOSITION_MSG a = (PCONSOLE_SETCURSORPOSITION_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;
    COORD WindowOrigin;
    PSCREEN_INFORMATION ScreenInfo;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {

        ScreenInfo = HandleData->Buffer.ScreenBuffer;

        if (a->CursorPosition.X >= ScreenInfo->ScreenBufferSize.X ||
            a->CursorPosition.Y >= ScreenInfo->ScreenBufferSize.Y ||
            a->CursorPosition.X < 0 ||
            a->CursorPosition.Y < 0) {
            Status = STATUS_INVALID_PARAMETER;
        } else {
            Status = SetCursorPosition(ScreenInfo,
                                       a->CursorPosition,
                                       TRUE
                                      );
        }
        if (NT_SUCCESS(Status)) {
            WindowOrigin.X = 0;
            WindowOrigin.Y = 0;
            if (ScreenInfo->Window.Left > a->CursorPosition.X) {
                WindowOrigin.X = a->CursorPosition.X - ScreenInfo->Window.Left;
            }
            else if (ScreenInfo->Window.Right < a->CursorPosition.X) {
                WindowOrigin.X = a->CursorPosition.X - ScreenInfo->Window.Right;
            }
            if (ScreenInfo->Window.Top > a->CursorPosition.Y) {
                WindowOrigin.Y = a->CursorPosition.Y - ScreenInfo->Window.Top;
            }
            else if (ScreenInfo->Window.Bottom < a->CursorPosition.Y) {
                WindowOrigin.Y = a->CursorPosition.Y - ScreenInfo->Window.Bottom;
            }
            Status = SetWindowOrigin(ScreenInfo,
                                     FALSE,
                                     WindowOrigin
                                    );
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvSetConsoleCursorInfo(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETCURSORINFO_MSG a = (PCONSOLE_SETCURSORINFO_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        if (a->CursorSize > 100 || a->CursorSize == 0) {
            Status = STATUS_INVALID_PARAMETER;
        } else {
            Status = SetCursorInformation(HandleData->Buffer.ScreenBuffer,a->CursorSize,a->Visible);
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvSetConsoleWindowInfo(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETWINDOWINFO_MSG a = (PCONSOLE_SETWINDOWINFO_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;
    PSCREEN_INFORMATION ScreenInfo;
    COORD NewWindowSize;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {
        ScreenInfo = HandleData->Buffer.ScreenBuffer;
        if (!a->Absolute) {
            a->Window.Left += ScreenInfo->Window.Left;
            a->Window.Right += ScreenInfo->Window.Right;
            a->Window.Top += ScreenInfo->Window.Top;
            a->Window.Bottom += ScreenInfo->Window.Bottom;
        }
        if (a->Window.Right < a->Window.Left ||
            a->Window.Bottom < a->Window.Top) {
            Status = STATUS_INVALID_PARAMETER;
        } else {
            NewWindowSize.X = (SHORT)(WINDOW_SIZE_X(&a->Window));
            NewWindowSize.Y = (SHORT)(WINDOW_SIZE_Y(&a->Window));
            if ((NewWindowSize.X > ScreenInfo->MaximumWindowSize.X ||
                 NewWindowSize.Y > ScreenInfo->MaximumWindowSize.Y) &&
                 !(ScreenInfo->Console->FullScreenFlags & CONSOLE_FULLSCREEN)) {
                Status = STATUS_INVALID_PARAMETER;
            } else {
#ifdef i386
                if (ScreenInfo->Console->FullScreenFlags & CONSOLE_FULLSCREEN) {
                    COORD NewOrigin;

                    if (NewWindowSize.X != (SHORT)(WINDOW_SIZE_X(&ScreenInfo->Window)) ||
                        NewWindowSize.Y != (SHORT)(WINDOW_SIZE_Y(&ScreenInfo->Window))) {
                        COORD WindowSize;
                        ULONG ModeIndex;

                        ModeIndex = MatchWindowSize(NewWindowSize,&WindowSize);
                        if (NewWindowSize.X != WindowSize.X ||
                            NewWindowSize.Y != WindowSize.Y ||
                            WindowSize.X > ScreenInfo->ScreenBufferSize.X ||
                            WindowSize.Y > ScreenInfo->ScreenBufferSize.Y) {
                            UnlockConsole(Console);
                            return (ULONG) STATUS_FULLSCREEN_MODE;
                        }
                        ScreenInfo->BufferInfo.TextInfo.ModeIndex = ModeIndex;
                        ResizeWindow(ScreenInfo,
                                     &a->Window,
                                     FALSE
                                    );
                        ScreenInfo->BufferInfo.TextInfo.WindowedWindowSize.X =
                                CONSOLE_WINDOW_SIZE_X(ScreenInfo);
                        ScreenInfo->BufferInfo.TextInfo.WindowedWindowSize.Y =
                                CONSOLE_WINDOW_SIZE_Y(ScreenInfo);
                        if (ScreenInfo->Console->FullScreenFlags & CONSOLE_FULLSCREEN_HARDWARE &&
                            (!(ScreenInfo->Console->Flags & CONSOLE_VDM_REGISTERED)) ) {
                            SetVideoMode(ScreenInfo);
                            WriteToScreen(ScreenInfo,&ScreenInfo->Window);
                        }
                    } else {
                        NewOrigin.X = a->Window.Left;
                        NewOrigin.Y = a->Window.Top;
                        SetWindowOrigin(ScreenInfo,
                                        TRUE,
                                        NewOrigin
                                       );
                    }
                } else
#endif
                {
                    Status = ResizeWindow(ScreenInfo,
                                          &a->Window,
                                          TRUE
                                         );
                    if (ACTIVE_SCREEN_BUFFER(ScreenInfo)) {
                        SetWindowSize(ScreenInfo);
                        WriteToScreen(ScreenInfo,&ScreenInfo->Window);
                    }
                }
            }
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvScrollConsoleScreenBuffer(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SCROLLSCREENBUFFER_MSG a = (PCONSOLE_SCROLLSCREENBUFFER_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;
    PSMALL_RECT ClipRect;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {

        if (a->Clip) {
            ClipRect = &a->ClipRectangle;
        }
        else {
            ClipRect = NULL;
        }
        if (!a->Unicode) {
            a->Fill.Char.UnicodeChar = CharToWchar(
                    Console->OutputCP, a->Fill.Char.AsciiChar);
        } else if ((Console->CurrentScreenBuffer->Flags & CONSOLE_OEMFONT_DISPLAY) &&
                !(Console->FullScreenFlags & CONSOLE_FULLSCREEN)) {
            RealUnicodeToFalseUnicode(&a->Fill.Char.UnicodeChar,
                                    1,
                                    Console->OutputCP
                                    );
        }
        Status = ScrollRegion(HandleData->Buffer.ScreenBuffer,
                            &a->ScrollRectangle,
                            ClipRect,
                            a->DestinationOrigin,
                            &a->Fill
                           );
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

VOID
UpdatePopups(
    IN PCONSOLE_INFORMATION Console,
    IN WORD NewAttributes,
    IN WORD NewPopupAttributes,
    IN WORD OldAttributes,
    IN WORD OldPopupAttributes
    )

/*

    this routine is called when the user changes the screen/popup
    colors.  it goes through the popup structures and changes
    the saved contents to reflect the new screen/popup colors.

*/

{
    PLIST_ENTRY HistoryListHead, HistoryListNext;
    PLIST_ENTRY PopupListHead, PopupListNext;
    PCOMMAND_HISTORY History;
    PCLE_POPUP Popup;
    SHORT i,j;
    PCHAR_INFO OldContents;
    WORD InvertedOldPopupAttributes,InvertedNewPopupAttributes;

    InvertedOldPopupAttributes = (WORD)(((OldPopupAttributes << 4) & 0xf0) |
                                ((OldPopupAttributes >> 4) & 0x0f));
    InvertedNewPopupAttributes = (WORD)(((NewPopupAttributes << 4) & 0xf0) |
                                ((NewPopupAttributes >> 4) & 0x0f));
    HistoryListHead = &Console->CommandHistoryList;
    HistoryListNext = HistoryListHead->Blink;
    while (HistoryListNext != HistoryListHead) {
        History = CONTAINING_RECORD( HistoryListNext, COMMAND_HISTORY, ListLink );
        HistoryListNext = HistoryListNext->Blink;
        if (History->Flags & CLE_ALLOCATED && !CLE_NO_POPUPS(History)) {
            PopupListHead = &History->PopupList;
            PopupListNext = PopupListHead->Blink;
            while (PopupListNext != PopupListHead) {
                Popup = CONTAINING_RECORD( PopupListNext, CLE_POPUP, ListLink );
                PopupListNext = PopupListNext->Blink;
                OldContents = Popup->OldContents;
                for (i=Popup->Region.Left;i<=Popup->Region.Right;i++) {
                    for (j=Popup->Region.Top;j<=Popup->Region.Bottom;j++) {
                        if (OldContents->Attributes == OldAttributes) {
                            OldContents->Attributes = NewAttributes;
                        } else if (OldContents->Attributes == OldPopupAttributes) {
                            OldContents->Attributes = NewPopupAttributes;
                        } else if (OldContents->Attributes == InvertedOldPopupAttributes) {
                            OldContents->Attributes = InvertedNewPopupAttributes;
                        }
                        OldContents++;
                    }
                }
            }
        }
    }
}


NTSTATUS
SetScreenColors(
    IN PSCREEN_INFORMATION ScreenInfo,
    IN WORD Attributes,
    IN WORD PopupAttributes,
    IN BOOL UpdateWholeScreen
    )
{
    HBRUSH hNewBackground;
    SHORT i,j;
    PROW Row;
    WORD DefaultAttributes,DefaultPopupAttributes;
    PCONSOLE_INFORMATION Console;
    COLORREF rgbBk;
    COLORREF rgbText;

    Console = ScreenInfo->Console;
    rgbBk = ConvertAttrToRGB(Console, LOBYTE(Attributes >> 4));
    rgbBk = GetNearestColor(Console->hDC, rgbBk);
    rgbText = ConvertAttrToRGB(Console, LOBYTE(Attributes));
    rgbText = GetNearestColor(Console->hDC, rgbText);
    hNewBackground = CreateSolidBrush(rgbBk);
    if (hNewBackground) {
        if (ACTIVE_SCREEN_BUFFER(ScreenInfo)) {
            SelectObject(Console->hDC, hNewBackground);
            SetTextColor(Console->hDC, rgbText);
            SetBkColor(Console->hDC, rgbBk);
            Console->LastAttributes = Attributes;

        }

        SetConsoleBkColor(Console->hWnd, rgbBk);
        DeleteObject(ScreenInfo->hBackground);
        ScreenInfo->hBackground = hNewBackground;
        DefaultAttributes = ScreenInfo->Attributes;
        DefaultPopupAttributes = ScreenInfo->PopupAttributes;
        ScreenInfo->Attributes = Attributes;
        ScreenInfo->PopupAttributes = PopupAttributes;

        if (UpdateWholeScreen && ScreenInfo->Flags & CONSOLE_TEXTMODE_BUFFER) {
            WORD InvertedOldPopupAttributes,InvertedNewPopupAttributes;

            InvertedOldPopupAttributes = (WORD)(((DefaultPopupAttributes << 4) & 0xf0) |
                                        ((DefaultPopupAttributes >> 4) & 0x0f));
            InvertedNewPopupAttributes = (WORD)(((PopupAttributes << 4) & 0xf0) |
                                        ((PopupAttributes >> 4) & 0x0f));
            //
            // change all chars with default color
            //

            for (i=0;i<ScreenInfo->ScreenBufferSize.Y;i++) {
                Row = &ScreenInfo->BufferInfo.TextInfo.Rows[i];
                for (j=0;j<Row->AttrRow.Length;j++) {
                    if (Row->AttrRow.Attrs[j].Attr == DefaultAttributes) {
                        Row->AttrRow.Attrs[j].Attr = Attributes;
                    } else if (Row->AttrRow.Attrs[j].Attr == DefaultPopupAttributes) {
                        Row->AttrRow.Attrs[j].Attr = PopupAttributes;
                    } else if (Row->AttrRow.Attrs[j].Attr == InvertedOldPopupAttributes) {
                        Row->AttrRow.Attrs[j].Attr = InvertedNewPopupAttributes;
                    }
                }
            }

            if (Console->PopupCount)
                UpdatePopups(Console,
                             Attributes,
                             PopupAttributes,
                             DefaultAttributes,
                             DefaultPopupAttributes
                             );
            // force repaint of entire line
            ScreenInfo->BufferInfo.TextInfo.Flags &= ~TEXT_VALID_HINT;
            WriteToScreen(ScreenInfo,&ScreenInfo->Window);
            ScreenInfo->BufferInfo.TextInfo.Flags |= TEXT_VALID_HINT;
        }

        return STATUS_SUCCESS;
    } else {
        return STATUS_UNSUCCESSFUL;
    }
}

ULONG
SrvSetConsoleTextAttribute(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETTEXTATTRIBUTE_MSG a = (PCONSOLE_SETTEXTATTRIBUTE_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                 a->OutputHandle,
                                 CONSOLE_OUTPUT_HANDLE,
                                 GENERIC_WRITE,
                                 &HandleData
                                );
    if (NT_SUCCESS(Status)) {

        if (a->Attributes & ~VALID_TEXT_ATTRIBUTES) {
            Status = STATUS_INVALID_PARAMETER;
        } else {
            Status = SetScreenColors(HandleData->Buffer.ScreenBuffer,
                                     a->Attributes,
                                     HandleData->Buffer.ScreenBuffer->PopupAttributes,
                                     FALSE
                                    );
        }
    }
    UnlockConsole(Console);
    return((ULONG) Status);
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvSetConsoleFont(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETFONT_MSG a = (PCONSOLE_SETFONT_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    PHANDLE_DATA HandleData;
    PSCREEN_INFORMATION ScreenInfo;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    try {
        Status = DereferenceIoHandle(CONSOLE_PERPROCESSDATA(),
                                     a->OutputHandle,
                                     CONSOLE_OUTPUT_HANDLE,
                                     GENERIC_WRITE,
                                     &HandleData
                                    );
        if (!NT_SUCCESS(Status)) {
            leave;
        }

        ScreenInfo = HandleData->Buffer.ScreenBuffer;
        if (ScreenInfo->Console->FullScreenFlags & CONSOLE_FULLSCREEN) {
            Status = STATUS_FULLSCREEN_MODE;
        } else {
            Status = SetScreenBufferFont(ScreenInfo,a->FontIndex);
        }
    } finally {
        UnlockConsole(Console);
    }
    return Status;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvSetConsoleIcon(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETICON_MSG a = (PCONSOLE_SETICON_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;
    HANDLE hIcon;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }

    if (a->hIcon == NULL) {
        hIcon = ghDefaultIcon;
    } else {
        hIcon = CopyIcon(a->hIcon);
    }

    if (hIcon == NULL) {
        Status = STATUS_INVALID_PARAMETER;
    } else if (hIcon != Console->hIcon) {
        PostMessage(Console->hWnd, WM_SETICON, ICON_BIG, (LONG)hIcon);
        if (Console->hIcon != ghDefaultIcon) {
            DestroyIcon(Console->hIcon);
        }
        Console->hIcon = hIcon;
    }
    UnlockConsole(Console);

    return Status;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}


ULONG
SrvSetConsoleCP(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_SETCP_MSG a = (PCONSOLE_SETCP_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    if (!IsValidCodePage(a->wCodePageID)) {
        UnlockConsole(Console);
        return (ULONG)STATUS_INVALID_PARAMETER;
    }
    if (a->Output) {
        Console->OutputCP = a->wCodePageID;
        // load special ROM font, if necessary

#ifdef i386

        if (Console->FullScreenFlags & CONSOLE_FULLSCREEN_HARDWARE) {
            SetROMFontCodePage(Console->OutputCP,
                               Console->CurrentScreenBuffer->BufferInfo.TextInfo.ModeIndex);
            WriteRegionToScreenHW(Console->CurrentScreenBuffer,
                    &Console->CurrentScreenBuffer->Window);
        }
#endif

    } else {
        Console->CP = a->wCodePageID;
    }
    UnlockConsole(Console);
    return STATUS_SUCCESS;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleCP(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETCP_MSG a = (PCONSOLE_GETCP_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    if (a->Output) {
        a->wCodePageID = Console->OutputCP;
    } else {
        a->wCodePageID = Console->CP;
    }
    UnlockConsole(Console);
    return STATUS_SUCCESS;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}

ULONG
SrvGetConsoleKeyboardLayoutName(
    IN OUT PCSR_API_MSG m,
    IN OUT PCSR_REPLY_STATUS ReplyStatus
    )
{
    PCONSOLE_GETKEYBOARDLAYOUTNAME_MSG a = (PCONSOLE_GETKEYBOARDLAYOUTNAME_MSG)&m->u.ApiMessageData;
    NTSTATUS Status;
    PCONSOLE_INFORMATION Console;

    Status = ApiPreamble(a->ConsoleHandle,
                         &Console
                        );
    if (!NT_SUCCESS(Status)) {
        return Status;
    }
    ActivateKeyboardLayout(Console->hklActive, 0);
    if (a->bAnsi) {
        GetKeyboardLayoutNameA(a->achLayout);
    } else {
        GetKeyboardLayoutNameW(a->awchLayout);
    }
    UnlockConsole(Console);
    return STATUS_SUCCESS;
    UNREFERENCED_PARAMETER(ReplyStatus);    // get rid of unreferenced parameter warning message
}