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Fix indentation by replacing tabs by spaces. No code change

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svn path=/trunk/; revision=22119
This commit is contained in:
Hervé Poussineau 2006-05-30 19:40:52 +00:00
parent e7b716926f
commit db04a303ee
1 changed files with 237 additions and 238 deletions
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475
reactos/subsystems/win32/win32k/objects/dc.c
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@ -53,14 +53,14 @@ static GDIDEVICE PrimarySurface;
func_type STDCALL func_name( HDC hdc ) \
{ \
func_type ft; \
PDC dc = DC_LockDc( hdc ); \
PDC dc = DC_LockDc( hdc ); \
if (!dc) \
{ \
SetLastWin32Error(ERROR_INVALID_HANDLE); \
return 0; \
} \
ft = dc->dc_field; \
DC_UnlockDc(dc); \
DC_UnlockDc(dc); \
return ft; \
}
@ -650,7 +650,7 @@ IntPrepareDriver()
/* Complete initialization of the physical device */
PrimarySurface.DriverFunctions.CompletePDEV(
PrimarySurface.PDev,
(HDEV)&PrimarySurface);
(HDEV)&PrimarySurface);
DPRINT("calling DRIVER_ReferenceDriver\n");
@ -733,7 +733,7 @@ IntCreatePrimarySurface()
RECTL SurfaceRect;
SURFOBJ *SurfObj;
BOOL calledFromUser;
if (! IntPrepareDriverIfNeeded())
{
return FALSE;
@ -793,8 +793,8 @@ IntCreatePrimarySurface()
VOID FASTCALL
IntDestroyPrimarySurface()
{
BOOL calledFromUser;
BOOL calledFromUser;
DRIVER_UnreferenceDriver(L"DISPLAY");
calledFromUser = UserIsEntered();
@ -838,7 +838,7 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
HRGN hVisRgn;
UNICODE_STRING StdDriver;
BOOL calledFromUser;
RtlInitUnicodeString(&StdDriver, L"DISPLAY");
if (NULL == Driver || 0 == RtlCompareUnicodeString(Driver, &StdDriver, TRUE))
@ -857,20 +857,20 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
if (!calledFromUser){
UserEnterExclusive();
}
if (! co_IntGraphicsCheck(TRUE))
{
if (!calledFromUser){
UserLeave();
}
}
DPRINT1("Unable to initialize graphics, returning NULL dc\n");
return NULL;
}
if (!calledFromUser){
UserLeave();
}
}
}
}
@ -904,7 +904,7 @@ IntGdiCreateDC(PUNICODE_STRING Driver,
NewDC->DevInfo = &PrimarySurface.DevInfo;
NewDC->GDIInfo = &PrimarySurface.GDIInfo;
memcpy(NewDC->FillPatternSurfaces, PrimarySurface.FillPatterns,
sizeof(NewDC->FillPatternSurfaces));
sizeof(NewDC->FillPatternSurfaces));
NewDC->PDev = PrimarySurface.PDev;
NewDC->GDIDevice = (HDEV)&PrimarySurface;
NewDC->DriverFunctions = PrimarySurface.DriverFunctions;
@ -1078,7 +1078,7 @@ NtGdiDeleteObjectApp(HANDLE DCHandle)
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
DCToDelete = DC_LockDc(DCHandle);
if (DCToDelete == NULL)
{
@ -1411,104 +1411,104 @@ NtGdiSetDCState ( HDC hDC, HDC hDCSave )
{
if ( dcs->w.flags & DC_SAVED )
{
dc->w.flags = dcs->w.flags & ~DC_SAVED;
dc->w.flags = dcs->w.flags & ~DC_SAVED;
dc->w.hFirstBitmap = dcs->w.hFirstBitmap;
dc->w.hFirstBitmap = dcs->w.hFirstBitmap;
#if 0
dc->w.hDevice = dcs->w.hDevice;
dc->w.hDevice = dcs->w.hDevice;
#endif
dc->w.totalExtent = dcs->w.totalExtent;
dc->w.ROPmode = dcs->w.ROPmode;
dc->w.polyFillMode = dcs->w.polyFillMode;
dc->w.stretchBltMode = dcs->w.stretchBltMode;
dc->w.relAbsMode = dcs->w.relAbsMode;
dc->w.backgroundMode = dcs->w.backgroundMode;
dc->w.backgroundColor = dcs->w.backgroundColor;
dc->w.textColor = dcs->w.textColor;
dc->w.brushOrgX = dcs->w.brushOrgX;
dc->w.brushOrgY = dcs->w.brushOrgY;
dc->w.textAlign = dcs->w.textAlign;
dc->w.charExtra = dcs->w.charExtra;
dc->w.breakTotalExtra = dcs->w.breakTotalExtra;
dc->w.breakCount = dcs->w.breakCount;
dc->w.breakExtra = dcs->w.breakExtra;
dc->w.breakRem = dcs->w.breakRem;
dc->w.MapMode = dcs->w.MapMode;
dc->w.GraphicsMode = dcs->w.GraphicsMode;
dc->w.totalExtent = dcs->w.totalExtent;
dc->w.ROPmode = dcs->w.ROPmode;
dc->w.polyFillMode = dcs->w.polyFillMode;
dc->w.stretchBltMode = dcs->w.stretchBltMode;
dc->w.relAbsMode = dcs->w.relAbsMode;
dc->w.backgroundMode = dcs->w.backgroundMode;
dc->w.backgroundColor = dcs->w.backgroundColor;
dc->w.textColor = dcs->w.textColor;
dc->w.brushOrgX = dcs->w.brushOrgX;
dc->w.brushOrgY = dcs->w.brushOrgY;
dc->w.textAlign = dcs->w.textAlign;
dc->w.charExtra = dcs->w.charExtra;
dc->w.breakTotalExtra = dcs->w.breakTotalExtra;
dc->w.breakCount = dcs->w.breakCount;
dc->w.breakExtra = dcs->w.breakExtra;
dc->w.breakRem = dcs->w.breakRem;
dc->w.MapMode = dcs->w.MapMode;
dc->w.GraphicsMode = dcs->w.GraphicsMode;
#if 0
/* Apparently, the DC origin is not changed by [GS]etDCState */
dc->w.DCOrgX = dcs->w.DCOrgX;
dc->w.DCOrgY = dcs->w.DCOrgY;
/* Apparently, the DC origin is not changed by [GS]etDCState */
dc->w.DCOrgX = dcs->w.DCOrgX;
dc->w.DCOrgY = dcs->w.DCOrgY;
#endif
dc->w.CursPosX = dcs->w.CursPosX;
dc->w.CursPosY = dcs->w.CursPosY;
dc->w.ArcDirection = dcs->w.ArcDirection;
dc->w.CursPosX = dcs->w.CursPosX;
dc->w.CursPosY = dcs->w.CursPosY;
dc->w.ArcDirection = dcs->w.ArcDirection;
dc->w.xformWorld2Wnd = dcs->w.xformWorld2Wnd;
dc->w.xformWorld2Vport = dcs->w.xformWorld2Vport;
dc->w.xformVport2World = dcs->w.xformVport2World;
dc->w.vport2WorldValid = dcs->w.vport2WorldValid;
dc->w.xformWorld2Wnd = dcs->w.xformWorld2Wnd;
dc->w.xformWorld2Vport = dcs->w.xformWorld2Vport;
dc->w.xformVport2World = dcs->w.xformVport2World;
dc->w.vport2WorldValid = dcs->w.vport2WorldValid;
dc->wndOrgX = dcs->wndOrgX;
dc->wndOrgY = dcs->wndOrgY;
dc->wndExtX = dcs->wndExtX;
dc->wndExtY = dcs->wndExtY;
dc->vportOrgX = dcs->vportOrgX;
dc->vportOrgY = dcs->vportOrgY;
dc->vportExtX = dcs->vportExtX;
dc->vportExtY = dcs->vportExtY;
dc->wndOrgX = dcs->wndOrgX;
dc->wndOrgY = dcs->wndOrgY;
dc->wndExtX = dcs->wndExtX;
dc->wndExtY = dcs->wndExtY;
dc->vportOrgX = dcs->vportOrgX;
dc->vportOrgY = dcs->vportOrgY;
dc->vportExtX = dcs->vportExtX;
dc->vportExtY = dcs->vportExtY;
dc->PalIndexed = dcs->PalIndexed;
if (!(dc->w.flags & DC_MEMORY))
{
dc->w.bitsPerPixel = dcs->w.bitsPerPixel;
}
if (!(dc->w.flags & DC_MEMORY))
{
dc->w.bitsPerPixel = dcs->w.bitsPerPixel;
}
#if 0
if (dcs->w.hClipRgn)
{
if (!dc->w.hClipRgn)
{
dc->w.hClipRgn = NtGdiCreateRectRgn( 0, 0, 0, 0 );
}
NtGdiCombineRgn( dc->w.hClipRgn, dcs->w.hClipRgn, 0, RGN_COPY );
}
else
{
if (dc->w.hClipRgn)
{
NtGdiDeleteObject( dc->w.hClipRgn );
}
if (dcs->w.hClipRgn)
{
if (!dc->w.hClipRgn)
{
dc->w.hClipRgn = NtGdiCreateRectRgn( 0, 0, 0, 0 );
}
NtGdiCombineRgn( dc->w.hClipRgn, dcs->w.hClipRgn, 0, RGN_COPY );
}
else
{
if (dc->w.hClipRgn)
{
NtGdiDeleteObject( dc->w.hClipRgn );
}
dc->w.hClipRgn = 0;
}
{
int res;
res = CLIPPING_UpdateGCRegion( dc );
ASSERT ( res != ERROR );
}
DC_UnlockDc ( dc );
dc->w.hClipRgn = 0;
}
{
int res;
res = CLIPPING_UpdateGCRegion( dc );
ASSERT ( res != ERROR );
}
DC_UnlockDc ( dc );
#else
DC_UnlockDc ( dc );
NtGdiSelectClipRgn(hDC, dcs->w.hClipRgn);
DC_UnlockDc ( dc );
NtGdiSelectClipRgn(hDC, dcs->w.hClipRgn);
#endif
NtGdiSelectObject( hDC, dcs->w.hBitmap );
NtGdiSelectObject( hDC, dcs->w.hBrush );
NtGdiSelectObject( hDC, dcs->w.hFont );
NtGdiSelectObject( hDC, dcs->w.hPen );
NtGdiSetBkColor( hDC, dcs->w.backgroundColor);
NtGdiSetTextColor( hDC, dcs->w.textColor);
NtGdiSelectObject( hDC, dcs->w.hBitmap );
NtGdiSelectObject( hDC, dcs->w.hBrush );
NtGdiSelectObject( hDC, dcs->w.hFont );
NtGdiSelectObject( hDC, dcs->w.hPen );
NtGdiSetBkColor( hDC, dcs->w.backgroundColor);
NtGdiSetTextColor( hDC, dcs->w.textColor);
NtGdiSelectPalette( hDC, dcs->w.hPalette, FALSE );
NtGdiSelectPalette( hDC, dcs->w.hPalette, FALSE );
#if 0
GDISelectPalette16( hDC, dcs->w.hPalette, FALSE );
GDISelectPalette16( hDC, dcs->w.hPalette, FALSE );
#endif
} else {
DC_UnlockDc(dc);
DC_UnlockDc(dc);
}
DC_UnlockDc ( dcs );
} else {
@ -1624,7 +1624,7 @@ IntGdiGetDeviceCaps(PDC dc, INT Index)
}
else
{
ret = 0;
ret = 0;
}
break;
@ -1635,7 +1635,7 @@ IntGdiGetDeviceCaps(PDC dc, INT Index)
}
else
{
ret = 0;
ret = 0;
}
break;
@ -1646,7 +1646,7 @@ IntGdiGetDeviceCaps(PDC dc, INT Index)
}
else
{
ret = 0;
ret = 0;
}
break;
@ -1657,7 +1657,7 @@ IntGdiGetDeviceCaps(PDC dc, INT Index)
}
else
{
ret = 0;
ret = 0;
}
break;
@ -1672,7 +1672,7 @@ IntGdiGetDeviceCaps(PDC dc, INT Index)
}
else
{
ret = 0;
ret = 0;
}
break;
@ -1683,7 +1683,7 @@ IntGdiGetDeviceCaps(PDC dc, INT Index)
}
else
{
ret = 0;
ret = 0;
}
break;
@ -1802,12 +1802,12 @@ NtGdiGetObject(HANDLE handle, INT count, LPVOID buffer)
/* From Wine: GetObject does not SetLastError() on a null object */
if (!handle) return 0;
if (count <= 0)
{
return 0;
}
_SEH_TRY
{
ProbeForWrite(buffer,
@ -1819,7 +1819,7 @@ NtGdiGetObject(HANDLE handle, INT count, LPVOID buffer)
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
@ -1985,7 +1985,7 @@ NtGdiRestoreDC(HDC hDC, INT SaveLevel)
DC_SetNextDC (dcs, DC_GetNextDC (dcs));
if (--dc->saveLevel < SaveLevel)
{
DC_UnlockDc( dc );
DC_UnlockDc( dc );
DC_UnlockDc( dcs );
NtGdiSetDCState(hDC, hdcs);
#if 0
@ -1996,11 +1996,11 @@ NtGdiRestoreDC(HDC hDC, INT SaveLevel)
success = FALSE;
}
#endif
dc = DC_LockDc(hDC);
if(!dc)
{
return FALSE;
}
dc = DC_LockDc(hDC);
if(!dc)
{
return FALSE;
}
}
else
{
@ -2077,17 +2077,17 @@ NtGdiSelectObject(HDC hDC, HGDIOBJ hGDIObj)
HRGN hVisRgn;
BOOLEAN Failed;
if (!hDC || !hGDIObj)
if (!hDC || !hGDIObj)
{
/* From Wine:
* SelectObject() with a NULL DC returns 0 and sets ERROR_INVALID_HANDLE.
* Note: Under XP at least invalid ptrs can also be passed, not just NULL;
* Don't test that here in case it crashes earlier win versions.
*/
if (!hDC) SetLastWin32Error(ERROR_INVALID_HANDLE);
if (!hDC) SetLastWin32Error(ERROR_INVALID_HANDLE);
return NULL;
}
dc = DC_LockDc(hDC);
if (NULL == dc)
{
@ -2162,11 +2162,11 @@ NtGdiSelectObject(HDC hDC, HGDIOBJ hGDIObj)
}
pb = BITMAPOBJ_LockBitmap(hGDIObj);
if (NULL == pb)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
DC_UnlockDc(dc);
return NULL;
}
return NULL;
}
objOrg = (HGDIOBJ)dc->w.hBitmap;
/* Release the old bitmap, lock the new one and convert it to a SURF */
@ -2758,7 +2758,7 @@ IntChangeDisplaySettings(
DPRINT1("flag CDS_TEST UNIMPLEMENT");
Ret = DISP_CHANGE_FAILED;
}
if ((dwflags & CDS_FULLSCREEN) == CDS_FULLSCREEN)
{
DEVMODE lpDevMode;
@ -2783,143 +2783,142 @@ IntChangeDisplaySettings(
if ((lpDevMode.dmBitsPerPel == DevMode->dmBitsPerPel) &&
(lpDevMode.dmPelsWidth == DevMode->dmPelsWidth) &&
(lpDevMode.dmPelsHeight == DevMode->dmPelsHeight))
Ret = DISP_CHANGE_SUCCESSFUL;
Ret = DISP_CHANGE_SUCCESSFUL;
}
if ((dwflags & CDS_VIDEOPARAMETERS) == CDS_VIDEOPARAMETERS)
{
{
dwflags &= ~CDS_VIDEOPARAMETERS;
if (lParam == NULL) Ret=DISP_CHANGE_BADPARAM;
else
{
DPRINT1("flag CDS_VIDEOPARAMETERS UNIMPLEMENT");
Ret = DISP_CHANGE_FAILED;
}
if (lParam == NULL)
Ret=DISP_CHANGE_BADPARAM;
else
{
DPRINT1("flag CDS_VIDEOPARAMETERS UNIMPLEMENT");
Ret = DISP_CHANGE_FAILED;
}
}
}
if ((dwflags & CDS_UPDATEREGISTRY) == CDS_UPDATEREGISTRY)
{
UNICODE_STRING ObjectName;
UNICODE_STRING KernelModeName;
WCHAR KernelModeNameBuffer[256];
UNICODE_STRING RegistryKey;
WCHAR RegistryKeyBuffer[512];
PDEVICE_OBJECT DeviceObject;
ULONG LastSlash;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE DevInstRegKey;
ULONG NewValue;
{
DPRINT1("set CDS_UPDATEREGISTRY \n");
dwflags &= ~CDS_UPDATEREGISTRY;
UNICODE_STRING ObjectName;
UNICODE_STRING KernelModeName;
WCHAR KernelModeNameBuffer[256];
UNICODE_STRING RegistryKey;
WCHAR RegistryKeyBuffer[512];
PDEVICE_OBJECT DeviceObject;
ULONG LastSlash;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE DevInstRegKey;
ULONG NewValue;
/* Get device name (pDeviceName is "\.\xxx") */
for (LastSlash = pDeviceName->Length / sizeof(WCHAR); LastSlash > 0; LastSlash--)
{
if (pDeviceName->Buffer[LastSlash - 1] == L'\\')
break;
}
if (LastSlash == 0) return DISP_CHANGE_RESTART;
ObjectName = *pDeviceName;
ObjectName.Length -= LastSlash * sizeof(WCHAR);
ObjectName.MaximumLength -= LastSlash * sizeof(WCHAR);
ObjectName.Buffer += LastSlash;
DPRINT1("set CDS_UPDATEREGISTRY \n");
KernelModeName.Length = 0;
KernelModeName.MaximumLength = sizeof(KernelModeNameBuffer);
KernelModeName.Buffer = KernelModeNameBuffer;
dwflags &= ~CDS_UPDATEREGISTRY;
/* Open \??\xxx (ex: "\??\DISPLAY1") */
Status = RtlAppendUnicodeToString(&KernelModeName, L"\\??\\");
if (!NT_SUCCESS(Status)) return DISP_CHANGE_FAILED;
Status = RtlAppendUnicodeStringToString(&KernelModeName, &ObjectName);
if (!NT_SUCCESS(Status)) return DISP_CHANGE_FAILED;
Status = ObReferenceObjectByName(
&KernelModeName,
OBJ_CASE_INSENSITIVE,
NULL,
0,
IoDeviceObjectType,
KernelMode,
NULL,
(PVOID*)&DeviceObject);
if (!NT_SUCCESS(Status)) return DISP_CHANGE_FAILED;
/* Get associated driver name (ex: "VBE") */
for (LastSlash = DeviceObject->DriverObject->DriverName.Length / sizeof(WCHAR); LastSlash > 0; LastSlash--)
{
if (DeviceObject->DriverObject->DriverName.Buffer[LastSlash - 1] == L'\\')
break;
}
if (LastSlash == 0) { ObDereferenceObject(DeviceObject); return DISP_CHANGE_FAILED; }
ObjectName = DeviceObject->DriverObject->DriverName;
ObjectName.Length -= LastSlash * sizeof(WCHAR);
ObjectName.MaximumLength -= LastSlash * sizeof(WCHAR);
ObjectName.Buffer += LastSlash;
RegistryKey.Length = 0;
RegistryKey.MaximumLength = sizeof(RegistryKeyBuffer);
RegistryKey.Buffer = RegistryKeyBuffer;
/* Open registry key */
Status = RtlAppendUnicodeToString(&RegistryKey,
L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Hardware Profiles\\Current\\System\\CurrentControlSet\\Services\\");
if (!NT_SUCCESS(Status)) { ObDereferenceObject(DeviceObject); return DISP_CHANGE_FAILED; }
Status = RtlAppendUnicodeStringToString(&RegistryKey, &ObjectName);
if (!NT_SUCCESS(Status)) { ObDereferenceObject(DeviceObject); return DISP_CHANGE_FAILED; }
Status = RtlAppendUnicodeToString(&RegistryKey,
L"\\Device0");
if (!NT_SUCCESS(Status)) { ObDereferenceObject(DeviceObject); return DISP_CHANGE_FAILED; }
InitializeObjectAttributes(&ObjectAttributes, &RegistryKey,
OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = ZwOpenKey(&DevInstRegKey, GENERIC_READ | GENERIC_WRITE, &ObjectAttributes);
ObDereferenceObject(DeviceObject);
if (!NT_SUCCESS(Status)) return DISP_CHANGE_FAILED;
/* Update needed fields */
if (NT_SUCCESS(Status) && DevMode->dmFields & DM_BITSPERPEL)
{
RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.BitsPerPel");
NewValue = DevMode->dmBitsPerPel;
Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
}
if (NT_SUCCESS(Status) && DevMode->dmFields & DM_PELSWIDTH)
{
RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.XResolution");
NewValue = DevMode->dmPelsWidth;
Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
}
if (NT_SUCCESS(Status) && DevMode->dmFields & DM_PELSHEIGHT)
{
RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.YResolution");
NewValue = DevMode->dmPelsHeight;
Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
}
ZwClose(DevInstRegKey);
if (NT_SUCCESS(Status))
Ret = DISP_CHANGE_RESTART;
else
/* return DISP_CHANGE_NOTUPDATED when we can save to reg only vaild for NT */
Ret = DISP_CHANGE_NOTUPDATED;
/* Get device name (pDeviceName is "\.\xxx") */
for (LastSlash = pDeviceName->Length / sizeof(WCHAR); LastSlash > 0; LastSlash--)
{
if (pDeviceName->Buffer[LastSlash - 1] == L'\\')
break;
}
if (dwflags != 0)
if (LastSlash == 0) return DISP_CHANGE_RESTART;
ObjectName = *pDeviceName;
ObjectName.Length -= LastSlash * sizeof(WCHAR);
ObjectName.MaximumLength -= LastSlash * sizeof(WCHAR);
ObjectName.Buffer += LastSlash;
KernelModeName.Length = 0;
KernelModeName.MaximumLength = sizeof(KernelModeNameBuffer);
KernelModeName.Buffer = KernelModeNameBuffer;
/* Open \??\xxx (ex: "\??\DISPLAY1") */
Status = RtlAppendUnicodeToString(&KernelModeName, L"\\??\\");
if (!NT_SUCCESS(Status)) return DISP_CHANGE_FAILED;
Status = RtlAppendUnicodeStringToString(&KernelModeName, &ObjectName);
if (!NT_SUCCESS(Status)) return DISP_CHANGE_FAILED;
Status = ObReferenceObjectByName(
&KernelModeName,
OBJ_CASE_INSENSITIVE,
NULL,
0,
IoDeviceObjectType,
KernelMode,
NULL,
(PVOID*)&DeviceObject);
if (!NT_SUCCESS(Status)) return DISP_CHANGE_FAILED;
/* Get associated driver name (ex: "VBE") */
for (LastSlash = DeviceObject->DriverObject->DriverName.Length / sizeof(WCHAR); LastSlash > 0; LastSlash--)
{
if (DeviceObject->DriverObject->DriverName.Buffer[LastSlash - 1] == L'\\')
break;
}
if (LastSlash == 0) { ObDereferenceObject(DeviceObject); return DISP_CHANGE_FAILED; }
ObjectName = DeviceObject->DriverObject->DriverName;
ObjectName.Length -= LastSlash * sizeof(WCHAR);
ObjectName.MaximumLength -= LastSlash * sizeof(WCHAR);
ObjectName.Buffer += LastSlash;
RegistryKey.Length = 0;
RegistryKey.MaximumLength = sizeof(RegistryKeyBuffer);
RegistryKey.Buffer = RegistryKeyBuffer;
/* Open registry key */
Status = RtlAppendUnicodeToString(&RegistryKey,
L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Hardware Profiles\\Current\\System\\CurrentControlSet\\Services\\");
if (!NT_SUCCESS(Status)) { ObDereferenceObject(DeviceObject); return DISP_CHANGE_FAILED; }
Status = RtlAppendUnicodeStringToString(&RegistryKey, &ObjectName);
if (!NT_SUCCESS(Status)) { ObDereferenceObject(DeviceObject); return DISP_CHANGE_FAILED; }
Status = RtlAppendUnicodeToString(&RegistryKey,
L"\\Device0");
if (!NT_SUCCESS(Status)) { ObDereferenceObject(DeviceObject); return DISP_CHANGE_FAILED; }
InitializeObjectAttributes(&ObjectAttributes, &RegistryKey,
OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = ZwOpenKey(&DevInstRegKey, GENERIC_READ | GENERIC_WRITE, &ObjectAttributes);
ObDereferenceObject(DeviceObject);
if (!NT_SUCCESS(Status)) return DISP_CHANGE_FAILED;
/* Update needed fields */
if (NT_SUCCESS(Status) && DevMode->dmFields & DM_BITSPERPEL)
{
RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.BitsPerPel");
NewValue = DevMode->dmBitsPerPel;
Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
}
if (NT_SUCCESS(Status) && DevMode->dmFields & DM_PELSWIDTH)
{
RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.XResolution");
NewValue = DevMode->dmPelsWidth;
Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
}
if (NT_SUCCESS(Status) && DevMode->dmFields & DM_PELSHEIGHT)
{
RtlInitUnicodeString(&RegistryKey, L"DefaultSettings.YResolution");
NewValue = DevMode->dmPelsHeight;
Status = ZwSetValueKey(DevInstRegKey, &RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
}
ZwClose(DevInstRegKey);
if (NT_SUCCESS(Status))
Ret = DISP_CHANGE_RESTART;
else
/* return DISP_CHANGE_NOTUPDATED when we can save to reg only valid for NT */
Ret = DISP_CHANGE_NOTUPDATED;
}
if (dwflags != 0)
Ret = DISP_CHANGE_BADFLAGS;
return Ret;