srvvdm.c File Reference

#include "precomp.h"

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Functions
ULONG	SrvVDMConsoleOperation (IN OUT PCSR_API_MSG m, IN OUT PCSR_REPLY_STATUS ReplyStatus)

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Function Documentation

ULONG SrvVDMConsoleOperation (  IN OUT PCSR_API_MSG  m, IN OUT PCSR_REPLY_STATUS  ReplyStatus )

Definition at line 24 of file srvvdm.c. References ApiPreamble(), ASSERT, _CONSOLE_VDM_MSG::Bool, BYTE, ClientToScreen(), CM_HIDE_WINDOW, CONSOLE_CLIENTPROCESSID, CONSOLE_FULLSCREEN_NOPAINT, CONSOLE_NO_WINDOW, CONSOLE_VDM_REGISTERED, _CONSOLE_VDM_MSG::ConsoleHandle, ConsoleHeapAlloc, ConsoleHeapFree, ConsoleHeapSize, DWORD, FALSE, _CONSOLE_INFORMATION::Flags, GetClientRect(), _CONSOLE_INFORMATION::hWnd, _CONSOLE_VDM_MSG::iFunction, IsIconic(), MAKE_TAG, NT_SUCCESS, NTSTATUS(), NULL, PBYTE, PCONSOLE_VDM_MSG, _CONSOLE_VDM_MSG::Point, PostMessage(), _CONSOLE_VDM_MSG::Rect, ScreenToClient(), _CONSOLE_INFORMATION::StateBuffer, _CONSOLE_INFORMATION::StateLength, Status, UnlockConsole(), and _CONSOLE_INFORMATION::VDMProcessId. { PCONSOLE_VDM_MSG a = (PCONSOLE_VDM_MSG)&m->u.ApiMessageData; NTSTATUS Status; PCONSOLE_INFORMATION Console; Status = ApiPreamble(a->ConsoleHandle, &Console ); if (!NT_SUCCESS(Status)) { return Status; } if (!(Console->Flags & CONSOLE_VDM_REGISTERED) || (Console->VDMProcessId != CONSOLE_CLIENTPROCESSID())) { Status = STATUS_INVALID_PARAMETER; } else { switch (a->iFunction) { case VDM_HIDE_WINDOW: PostMessage(Console->hWnd, CM_HIDE_WINDOW, 0, 0 ); break; case VDM_IS_ICONIC: a->Bool = IsIconic(Console->hWnd); break; case VDM_CLIENT_RECT: GetClientRect(Console->hWnd,&a->Rect); break; case VDM_CLIENT_TO_SCREEN: ClientToScreen(Console->hWnd,&a->Point); break; case VDM_SCREEN_TO_CLIENT: ScreenToClient(Console->hWnd,&a->Point); break; case VDM_IS_HIDDEN: a->Bool = ((Console->Flags & CONSOLE_NO_WINDOW) != 0); break; case VDM_FULLSCREEN_NOPAINT: if (a->Bool) { Console->Flags |= CONSOLE_FULLSCREEN_NOPAINT; } else { Console->Flags &= ~CONSOLE_FULLSCREEN_NOPAINT; } break; #if defined(FE_SB) case VDM_SET_VIDEO_MODE: Console->fVDMVideoMode = (a->Bool != 0); break; #if defined(i386) case VDM_SAVE_RESTORE_HW_STATE: if (ISNECPC98(gdwMachineId)) { // This function is used by MVDM to save/restore HW state // when it executes DOS-AP on Fullscreen again. // It is called from MVDM\SOFTPC\HOST\SRC\NT_FULSC.C. VIDEO_HARDWARE_STATE State; ULONG StateSize = sizeof(State); State.StateHeader = Console->StateBuffer; State.StateLength = Console->StateLength; Status = GdiFullscreenControl(a->Bool ? FullscreenControlRestoreHardwareState : FullscreenControlSaveHardwareState, &State, StateSize, &State, &StateSize); } break; case VDM_VIDEO_IOCTL: if (ISNECPC98(gdwMachineId)) { // This function is used by MVDM to access CG. // It is called from MVDM\SOFTPC\HOST\SRC\NT_CGW.C. PVOID InBuffer; if (!CsrValidateMessageBuffer(m, &a->VDMIoctlParam.lpvInBuffer, a->VDMIoctlParam.cbInBuffer, sizeof(BYTE)) || !CsrValidateMessageBuffer(m, &a->VDMIoctlParam.lpvOutBuffer, a->VDMIoctlParam.cbOutBuffer, sizeof(BYTE))) { UnlockConsole(Console); return STATUS_INVALID_PARAMETER; } InBuffer = ConsoleHeapAlloc( MAKE_TAG( TMP_DBCS_TAG ), a->VDMIoctlParam.cbInBuffer + sizeof(DWORD) ); if (InBuffer == NULL) { Status = STATUS_NO_MEMORY; break; } *((PDWORD)InBuffer) = a->VDMIoctlParam.dwIoControlCode; RtlCopyMemory((PBYTE)InBuffer + sizeof(DWORD), a->VDMIoctlParam.lpvInBuffer, a->VDMIoctlParam.cbInBuffer ); Status = GdiFullscreenControl( FullscreenControlSpecificVideoControl, InBuffer, ConsoleHeapSize(InBuffer), a->VDMIoctlParam.lpvOutBuffer, a->VDMIoctlParam.lpvOutBuffer ? &a->VDMIoctlParam.cbOutBuffer : 0 ); ConsoleHeapFree(InBuffer); } break; #endif #endif default: ASSERT(FALSE); } } UnlockConsole(Console); return Status; UNREFERENCED_PARAMETER(ReplyStatus); // get rid of unreferenced parameter warning message }

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