NTSTATUS
InitMonitorImpl()
{
- DPRINT("Initializing monitor implementation...\n");
- ExInitializeFastMutex(&MonitorListLock);
+ DPRINT("Initializing monitor implementation...\n");
+ ExInitializeFastMutex(&MonitorListLock);
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
NTSTATUS
CleanupMonitorImpl()
{
- DPRINT("Cleaning up monitor implementation...\n");
- /* FIXME: Destroy monitor objects? */
+ DPRINT("Cleaning up monitor implementation...\n");
+ /* FIXME: Destroy monitor objects? */
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
/* PRIVATE FUNCTIONS **********************************************************/
PMONITOR_OBJECT
IntCreateMonitorObject()
{
- HANDLE Handle;
- PMONITOR_OBJECT Monitor;
+ HANDLE Handle;
+ PMONITOR_OBJECT Monitor;
- Monitor = ObmCreateObject(&gHandleTable, &Handle, otMonitor, sizeof (MONITOR_OBJECT));
- if (Monitor == NULL)
- {
+ Monitor = ObmCreateObject(&gHandleTable, &Handle, otMonitor, sizeof (MONITOR_OBJECT));
+ if (Monitor == NULL)
+ {
return NULL;
- }
+ }
- Monitor->Handle = Handle;
- ExInitializeFastMutex(&Monitor->Lock);
+ Monitor->Handle = Handle;
+ ExInitializeFastMutex(&Monitor->Lock);
- return Monitor;
+ return Monitor;
}
/* IntDestroyMonitorObject
void
IntDestroyMonitorObject(IN PMONITOR_OBJECT pMonitor)
{
- RtlFreeUnicodeString(&pMonitor->DeviceName);
- ObmDereferenceObject(pMonitor);
+ RtlFreeUnicodeString(&pMonitor->DeviceName);
+ ObmDereferenceObject(pMonitor);
}
/* IntGetMonitorObject
SetLastWin32Error(ERROR_INVALID_MONITOR_HANDLE);
return NULL;
}
-
+
ASSERT(USER_BODY_TO_HEADER(Monitor)->RefCount >= 0);
-
+
USER_BODY_TO_HEADER(Monitor)->RefCount++;
-
+
return Monitor;
}
* MONITOR_OBJECT to be released
*/
#define IntReleaseMonitorObject(MonitorObj) \
- ObmDereferenceObject(MonitorObj);
+ ObmDereferenceObject(MonitorObj);
/* IntAttachMonitor
*
IntAttachMonitor(IN GDIDEVICE *pGdiDevice,
IN ULONG DisplayNumber)
{
- PMONITOR_OBJECT Monitor;
- WCHAR Buffer[CCHDEVICENAME];
+ PMONITOR_OBJECT Monitor;
+ WCHAR Buffer[CCHDEVICENAME];
- DPRINT("Attaching monitor...\n");
+ DPRINT("Attaching monitor...\n");
- /* create new monitor object */
- Monitor = IntCreateMonitorObject();
- if (Monitor == NULL)
- {
+ /* create new monitor object */
+ Monitor = IntCreateMonitorObject();
+ if (Monitor == NULL)
+ {
DPRINT("Couldnt create monitor object\n");
return STATUS_INSUFFICIENT_RESOURCES;
- }
+ }
- _snwprintf(Buffer, CCHDEVICENAME, L"\\??\\DISPLAY%d", DisplayNumber + 1);
- if (!RtlCreateUnicodeString(&Monitor->DeviceName, Buffer))
- {
+ _snwprintf(Buffer, CCHDEVICENAME, L"\\??\\DISPLAY%d", DisplayNumber + 1);
+ if (!RtlCreateUnicodeString(&Monitor->DeviceName, Buffer))
+ {
DPRINT("Couldn't duplicate monitor name!\n");
return STATUS_INSUFFICIENT_RESOURCES;
- }
+ }
- Monitor->GdiDevice = pGdiDevice;
- ExAcquireFastMutex(&MonitorListLock);
- if (MonitorList == NULL)
- {
+ Monitor->GdiDevice = pGdiDevice;
+ ExAcquireFastMutex(&MonitorListLock);
+ if (MonitorList == NULL)
+ {
DPRINT("Primary monitor is beeing attached\n");
Monitor->IsPrimary = TRUE;
MonitorList = Monitor;
- }
- else
- {
+ }
+ else
+ {
PMONITOR_OBJECT p;
DPRINT("Additional monitor is beeing attached\n");
- for (p = MonitorList; p->Next != NULL; p = p->Next);
- {
- p->Next = Monitor;
- }
+ for (p = MonitorList; p->Next != NULL; p = p->Next)
+ ;
+ {
+ p->Next = Monitor;
+ }
Monitor->Prev = p;
- }
- ExReleaseFastMutex(&MonitorListLock);
+ }
+ ExReleaseFastMutex(&MonitorListLock);
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
/* IntDetachMonitor
NTSTATUS
IntDetachMonitor(IN GDIDEVICE *pGdiDevice)
{
- PMONITOR_OBJECT Monitor;
+ PMONITOR_OBJECT Monitor;
- ExAcquireFastMutex(&MonitorListLock);
- for (Monitor = MonitorList; Monitor != NULL; Monitor = Monitor->Next)
- {
+ ExAcquireFastMutex(&MonitorListLock);
+ for (Monitor = MonitorList; Monitor != NULL; Monitor = Monitor->Next)
+ {
if (Monitor->GdiDevice == pGdiDevice)
- break;
- }
+ break;
+ }
- if (Monitor == NULL)
- {
+ if (Monitor == NULL)
+ {
/* no monitor for given device found */
ExReleaseFastMutex(&MonitorListLock);
return STATUS_INVALID_PARAMETER;
- }
+ }
- if (Monitor->IsPrimary && (Monitor->Next != NULL || Monitor->Prev != NULL))
- {
+ if (Monitor->IsPrimary && (Monitor->Next != NULL || Monitor->Prev != NULL))
+ {
PMONITOR_OBJECT NewPrimaryMonitor = (Monitor->Prev != NULL) ? (Monitor->Prev) : (Monitor->Next);
ExAcquireFastMutex(&NewPrimaryMonitor->Lock);
NewPrimaryMonitor->IsPrimary = TRUE;
ExReleaseFastMutex(&NewPrimaryMonitor->Lock);
- }
+ }
- if (MonitorList == Monitor)
- {
+ if (MonitorList == Monitor)
+ {
MonitorList = Monitor->Next;
if (Monitor->Next != NULL)
- Monitor->Next->Prev = NULL;
- }
- else
- {
+ Monitor->Next->Prev = NULL;
+ }
+ else
+ {
Monitor->Prev->Next = Monitor->Next;
if (Monitor->Next != NULL)
- Monitor->Next->Prev = Monitor->Prev;
- }
- ExReleaseFastMutex(&MonitorListLock);
+ Monitor->Next->Prev = Monitor->Prev;
+ }
+ ExReleaseFastMutex(&MonitorListLock);
- IntDestroyMonitorObject(Monitor);
+ IntDestroyMonitorObject(Monitor);
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
/* IntGetPrimaryMonitor
PMONITOR_OBJECT
IntGetPrimaryMonitor()
{
- PMONITOR_OBJECT Monitor;
+ PMONITOR_OBJECT Monitor;
- ExAcquireFastMutex(&MonitorListLock);
- for (Monitor = MonitorList; Monitor != NULL; Monitor = Monitor->Next)
- {
+ ExAcquireFastMutex(&MonitorListLock);
+ for (Monitor = MonitorList; Monitor != NULL; Monitor = Monitor->Next)
+ {
/* FIXME: I guess locking the monitor is not neccessary to read 1 int */
if (Monitor->IsPrimary)
- break;
- }
- ExReleaseFastMutex(&MonitorListLock);
+ break;
+ }
+ ExReleaseFastMutex(&MonitorListLock);
- return Monitor;
+ return Monitor;
}
/* IntGetMonitorsFromRect
OPTIONAL IN DWORD listSize,
OPTIONAL IN DWORD flags)
{
- PMONITOR_OBJECT Monitor, NearestMonitor = NULL;
- UINT iCount = 0;
- LONG iNearestDistanceX = 0x7fffffff, iNearestDistanceY = 0x7fffffff;
-
- /* find monitors which intersect the rectangle */
- ExAcquireFastMutex(&MonitorListLock);
- for (Monitor = MonitorList; Monitor != NULL; Monitor = Monitor->Next)
- {
+ PMONITOR_OBJECT Monitor, NearestMonitor = NULL;
+ UINT iCount = 0;
+ LONG iNearestDistanceX = 0x7fffffff, iNearestDistanceY = 0x7fffffff;
+
+ /* find monitors which intersect the rectangle */
+ ExAcquireFastMutex(&MonitorListLock);
+ for (Monitor = MonitorList; Monitor != NULL; Monitor = Monitor->Next)
+ {
RECT MonitorRect, IntersectionRect;
ExAcquireFastMutex(&Monitor->Lock);
MonitorRect.left, MonitorRect.top, MonitorRect.right, MonitorRect.bottom);
if (pRect != NULL)
- {
- BOOL intersects = TRUE;
-
- /* check if the rect intersects the monitor */
- if ((pRect->right < MonitorRect.left) || (pRect->left > MonitorRect.right) ||
- (pRect->bottom < MonitorRect.top) || (pRect->top > MonitorRect.bottom))
- {
- intersects = FALSE;
- }
-
- if (flags == MONITOR_DEFAULTTONEAREST && !intersects)
- {
- INT distanceX, distanceY;
-
- distanceX = MIN(ABS(MonitorRect.left - pRect->right),
- ABS(pRect->left - MonitorRect.right));
- distanceY = MIN(ABS(MonitorRect.top - pRect->bottom),
- ABS(pRect->top - MonitorRect.bottom));
-
- if (((distanceX < iNearestDistanceX) && (distanceY <= iNearestDistanceY)) ||
+ {
+ BOOL intersects = TRUE;
+
+ /* check if the rect intersects the monitor */
+ if ((pRect->right < MonitorRect.left) || (pRect->left > MonitorRect.right) ||
+ (pRect->bottom < MonitorRect.top) || (pRect->top > MonitorRect.bottom))
+ {
+ intersects = FALSE;
+ }
+
+ if (flags == MONITOR_DEFAULTTONEAREST && !intersects)
+ {
+ INT distanceX, distanceY;
+
+ distanceX = MIN(ABS(MonitorRect.left - pRect->right),
+ ABS(pRect->left - MonitorRect.right));
+ distanceY = MIN(ABS(MonitorRect.top - pRect->bottom),
+ ABS(pRect->top - MonitorRect.bottom));
+
+ if (((distanceX < iNearestDistanceX) && (distanceY <= iNearestDistanceY)) ||
((distanceX <= iNearestDistanceX) && (distanceY < iNearestDistanceY)))
- {
- iNearestDistanceX = distanceX;
- iNearestDistanceY = distanceY;
- NearestMonitor = Monitor;
- }
+ {
+ iNearestDistanceX = distanceX;
+ iNearestDistanceY = distanceY;
+ NearestMonitor = Monitor;
}
+ }
- if (!intersects)
+ if (!intersects)
continue;
- /* calculate intersection */
- IntersectionRect.left = MAX(MonitorRect.left, pRect->left);
- IntersectionRect.top = MAX(MonitorRect.top, pRect->top);
- IntersectionRect.right = MIN(MonitorRect.right, pRect->right);
- IntersectionRect.bottom = MIN(MonitorRect.bottom, pRect->bottom);
- }
+ /* calculate intersection */
+ IntersectionRect.left = MAX(MonitorRect.left, pRect->left);
+ IntersectionRect.top = MAX(MonitorRect.top, pRect->top);
+ IntersectionRect.right = MIN(MonitorRect.right, pRect->right);
+ IntersectionRect.bottom = MIN(MonitorRect.bottom, pRect->bottom);
+ }
else
- {
- IntersectionRect = MonitorRect;
- }
+ {
+ IntersectionRect = MonitorRect;
+ }
if (iCount < listSize)
- {
- if (hMonitorList != NULL)
+ {
+ if (hMonitorList != NULL)
hMonitorList[iCount] = Monitor->Handle;
- if (monitorRectList != NULL)
+ if (monitorRectList != NULL)
monitorRectList[iCount] = IntersectionRect;
- }
+ }
iCount++;
- }
- ExReleaseFastMutex(&MonitorListLock);
+ }
+ ExReleaseFastMutex(&MonitorListLock);
- if (iCount == 0 && flags == MONITOR_DEFAULTTONEAREST)
- {
+ if (iCount == 0 && flags == MONITOR_DEFAULTTONEAREST)
+ {
if (iCount < listSize)
- {
- if (hMonitorList != NULL)
+ {
+ if (hMonitorList != NULL)
hMonitorList[iCount] = NearestMonitor->Handle;
- }
+ }
iCount++;
- }
+ }
- return iCount;
+ return iCount;
}
/* PUBLIC FUNCTIONS ***********************************************************/
INT
STDCALL
NtUserEnumDisplayMonitors(
- OPTIONAL IN HDC hDC,
- OPTIONAL IN LPCRECT pRect,
- OPTIONAL OUT HMONITOR *hMonitorList,
- OPTIONAL OUT LPRECT monitorRectList,
- OPTIONAL IN DWORD listSize)
+ OPTIONAL IN HDC hDC,
+ OPTIONAL IN LPCRECT pRect,
+ OPTIONAL OUT HMONITOR *hMonitorList,
+ OPTIONAL OUT LPRECT monitorRectList,
+ OPTIONAL IN DWORD listSize)
{
- INT numMonitors, i;
- HMONITOR *safeHMonitorList = NULL;
- LPRECT safeRectList = NULL;
- RECT rect, *myRect;
- RECT dcRect;
- NTSTATUS status;
-
- /* get rect */
- if (pRect != NULL)
- {
- status = MmCopyFromCaller(&rect, pRect, sizeof (RECT));
- if (!NT_SUCCESS(status))
- {
- DPRINT("MmCopyFromCaller() failed!\n");
- SetLastNtError(status);
- return -1;
- }
- }
-
- if (hDC != NULL)
- {
- PDC dc;
- HRGN dcVisRgn;
- INT regionType;
-
- /* get visible region bounding rect */
- dc = DC_LockDc(hDC);
- if (dc == NULL)
- {
- DPRINT("DC_LockDc() failed!\n");
- /* FIXME: setlasterror? */
- return -1;
- }
- dcVisRgn = dc->w.hVisRgn;
- DC_UnlockDc(dc);
-
- regionType = NtGdiGetRgnBox(dcVisRgn, &dcRect);
- if (regionType == 0)
- {
- DPRINT("NtGdiGetRgnBox() failed!\n");
- return -1;
- }
- if (regionType == NULLREGION)
- return 0;
- if (regionType == COMPLEXREGION)
- { /* TODO: warning */ }
-
- /* if hDC and pRect are given the area of interest is pRect with
- coordinate origin at the DC position */
- if (pRect != NULL)
- {
- rect.left += dcRect.left;
- rect.right += dcRect.left;
- rect.top += dcRect.top;
- rect.bottom += dcRect.top;
- }
- /* if hDC is given and pRect is not the area of interest is the
- bounding rect of hDC */
- else
- {
- rect = dcRect;
- }
- }
-
- if (hDC == NULL && pRect == NULL)
- myRect = NULL;
- else
- myRect = ▭
-
- /* find intersecting monitors */
- numMonitors = IntGetMonitorsFromRect(myRect, NULL, NULL, 0, 0);
- if (numMonitors == 0 || listSize == 0 ||
- (hMonitorList == NULL && monitorRectList == NULL))
- {
- DPRINT("numMonitors = %d\n", numMonitors);
- return numMonitors;
- }
-
- if (hMonitorList != NULL && listSize != 0)
- {
- safeHMonitorList = ExAllocatePool(PagedPool, sizeof (HMONITOR) * listSize);
- if (safeHMonitorList == NULL)
- {
- /* FIXME: SetLastWin32Error? */
- return -1;
- }
- }
- if (monitorRectList != NULL && listSize != 0)
- {
- safeRectList = ExAllocatePool(PagedPool, sizeof (RECT) * listSize);
- if (safeRectList == NULL)
- {
- ExFreePool(safeHMonitorList);
- /* FIXME: SetLastWin32Error? */
- return -1;
- }
- }
-
- /* get intersecting monitors */
- numMonitors = IntGetMonitorsFromRect(myRect, safeHMonitorList, safeRectList,
- listSize, 0 );
-
- if (hDC != NULL && pRect != NULL && safeRectList != NULL)
- for (i = 0; i < numMonitors; i++)
- {
- safeRectList[i].left -= dcRect.left;
- safeRectList[i].right -= dcRect.left;
- safeRectList[i].top -= dcRect.top;
- safeRectList[i].bottom -= dcRect.top;
- }
-
- /* output result */
- if (hMonitorList != NULL && listSize != 0)
- {
- status = MmCopyToCaller(hMonitorList, safeHMonitorList, sizeof (HMONITOR) * listSize);
- ExFreePool(safeHMonitorList);
- if (!NT_SUCCESS(status))
- {
- ExFreePool(safeRectList);
- SetLastNtError(status);
- return -1;
- }
- }
- if (monitorRectList != NULL && listSize != 0)
- {
- status = MmCopyToCaller(monitorRectList, safeRectList, sizeof (RECT) * listSize);
- ExFreePool(safeRectList);
- if (!NT_SUCCESS(status))
- {
- SetLastNtError(status);
- return -1;
- }
- }
-
- return numMonitors;
+ INT numMonitors, i;
+ HMONITOR *safeHMonitorList = NULL;
+ LPRECT safeRectList = NULL;
+ RECT rect, *myRect;
+ RECT dcRect;
+ NTSTATUS status;
+
+ /* get rect */
+ if (pRect != NULL)
+ {
+ status = MmCopyFromCaller(&rect, pRect, sizeof (RECT));
+ if (!NT_SUCCESS(status))
+ {
+ DPRINT("MmCopyFromCaller() failed!\n");
+ SetLastNtError(status);
+ return -1;
+ }
+ }
+
+ if (hDC != NULL)
+ {
+ PDC dc;
+ HRGN dcVisRgn;
+ INT regionType;
+
+ /* get visible region bounding rect */
+ dc = DC_LockDc(hDC);
+ if (dc == NULL)
+ {
+ DPRINT("DC_LockDc() failed!\n");
+ /* FIXME: setlasterror? */
+ return -1;
+ }
+ dcVisRgn = dc->w.hVisRgn;
+ DC_UnlockDc(dc);
+
+ regionType = NtGdiGetRgnBox(dcVisRgn, &dcRect);
+ if (regionType == 0)
+ {
+ DPRINT("NtGdiGetRgnBox() failed!\n");
+ return -1;
+ }
+ if (regionType == NULLREGION)
+ return 0;
+ if (regionType == COMPLEXREGION)
+ { /* TODO: warning */
+ }
+
+ /* if hDC and pRect are given the area of interest is pRect with
+ coordinate origin at the DC position */
+ if (pRect != NULL)
+ {
+ rect.left += dcRect.left;
+ rect.right += dcRect.left;
+ rect.top += dcRect.top;
+ rect.bottom += dcRect.top;
+ }
+ /* if hDC is given and pRect is not the area of interest is the
+ bounding rect of hDC */
+ else
+ {
+ rect = dcRect;
+ }
+ }
+
+ if (hDC == NULL && pRect == NULL)
+ myRect = NULL;
+ else
+ myRect = ▭
+
+ /* find intersecting monitors */
+ numMonitors = IntGetMonitorsFromRect(myRect, NULL, NULL, 0, 0);
+ if (numMonitors == 0 || listSize == 0 ||
+ (hMonitorList == NULL && monitorRectList == NULL))
+ {
+ DPRINT("numMonitors = %d\n", numMonitors);
+ return numMonitors;
+ }
+
+ if (hMonitorList != NULL && listSize != 0)
+ {
+ safeHMonitorList = ExAllocatePool(PagedPool, sizeof (HMONITOR) * listSize);
+ if (safeHMonitorList == NULL)
+ {
+ /* FIXME: SetLastWin32Error? */
+ return -1;
+ }
+ }
+ if (monitorRectList != NULL && listSize != 0)
+ {
+ safeRectList = ExAllocatePool(PagedPool, sizeof (RECT) * listSize);
+ if (safeRectList == NULL)
+ {
+ ExFreePool(safeHMonitorList);
+ /* FIXME: SetLastWin32Error? */
+ return -1;
+ }
+ }
+
+ /* get intersecting monitors */
+ numMonitors = IntGetMonitorsFromRect(myRect, safeHMonitorList, safeRectList,
+ listSize, 0 );
+
+ if (hDC != NULL && pRect != NULL && safeRectList != NULL)
+ for (i = 0; i < numMonitors; i++)
+ {
+ safeRectList[i].left -= dcRect.left;
+ safeRectList[i].right -= dcRect.left;
+ safeRectList[i].top -= dcRect.top;
+ safeRectList[i].bottom -= dcRect.top;
+ }
+
+ /* output result */
+ if (hMonitorList != NULL && listSize != 0)
+ {
+ status = MmCopyToCaller(hMonitorList, safeHMonitorList, sizeof (HMONITOR) * listSize);
+ ExFreePool(safeHMonitorList);
+ if (!NT_SUCCESS(status))
+ {
+ ExFreePool(safeRectList);
+ SetLastNtError(status);
+ return -1;
+ }
+ }
+ if (monitorRectList != NULL && listSize != 0)
+ {
+ status = MmCopyToCaller(monitorRectList, safeRectList, sizeof (RECT) * listSize);
+ ExFreePool(safeRectList);
+ if (!NT_SUCCESS(status))
+ {
+ SetLastNtError(status);
+ return -1;
+ }
+ }
+
+ return numMonitors;
}
/* NtUserGetMonitorInfo
BOOL
STDCALL
NtUserGetMonitorInfo(
- IN HMONITOR hMonitor,
- OUT LPMONITORINFO pMonitorInfo)
+ IN HMONITOR hMonitor,
+ OUT LPMONITORINFO pMonitorInfo)
{
- PMONITOR_OBJECT Monitor;
- MONITORINFOEXW MonitorInfo;
- NTSTATUS Status;
-
- /* get monitor object */
- if ((Monitor = IntGetMonitorObject(hMonitor)) == NULL)
- {
- DPRINT("Couldnt find monitor 0x%lx\n", hMonitor);
- SetLastNtError(STATUS_INVALID_HANDLE);
- return FALSE;
- }
-
- /* get size of pMonitorInfo */
- Status = MmCopyFromCaller(&MonitorInfo.cbSize, &pMonitorInfo->cbSize, sizeof (MonitorInfo.cbSize));
- if (!NT_SUCCESS(Status))
- {
- IntReleaseMonitorObject(Monitor);
- SetLastNtError(Status);
- return FALSE;
- }
- if ((MonitorInfo.cbSize != sizeof (MONITORINFO)) &&
- (MonitorInfo.cbSize != sizeof (MONITORINFOEXW)))
- {
- SetLastNtError(STATUS_INVALID_PARAMETER);
- return FALSE;
- }
-
- ExAcquireFastMutex(&Monitor->Lock);
- /* fill monitor info */
- MonitorInfo.rcMonitor.left = 0; /* FIXME: get origin */
- MonitorInfo.rcMonitor.top = 0; /* FIXME: get origin */
- MonitorInfo.rcMonitor.right = MonitorInfo.rcMonitor.left + Monitor->GdiDevice->GDIInfo.ulHorzRes;
- MonitorInfo.rcMonitor.bottom = MonitorInfo.rcMonitor.top + Monitor->GdiDevice->GDIInfo.ulVertRes;
- MonitorInfo.rcWork = MonitorInfo.rcMonitor; /* FIXME: use DEVMODE panning to calculate work area? */
- MonitorInfo.dwFlags = 0;
- if (Monitor->IsPrimary)
- MonitorInfo.dwFlags |= MONITORINFOF_PRIMARY;
-
- /* fill device name */
- if (MonitorInfo.cbSize == sizeof (MONITORINFOEXW))
- {
- WCHAR nul = L'\0';
- INT len = Monitor->DeviceName.Length;
- if (len >= CCHDEVICENAME * sizeof (WCHAR))
- len = (CCHDEVICENAME - 1) * sizeof (WCHAR);
-
- memcpy(MonitorInfo.szDevice, Monitor->DeviceName.Buffer, len);
- memcpy(MonitorInfo.szDevice + (len / sizeof (WCHAR)), &nul, sizeof (WCHAR));
- }
- ExReleaseFastMutex(&Monitor->Lock);
- IntReleaseMonitorObject(Monitor);
-
- /* output data */
- Status = MmCopyToCaller(pMonitorInfo, &MonitorInfo, MonitorInfo.cbSize);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("GetMonitorInfo: MmCopyToCaller failed\n");
- SetLastNtError(Status);
- return FALSE;
- }
-
- DPRINT("GetMonitorInfo: success\n");
-
- return TRUE;
+ PMONITOR_OBJECT Monitor;
+ MONITORINFOEXW MonitorInfo;
+ NTSTATUS Status;
+
+ /* get monitor object */
+ if ((Monitor = IntGetMonitorObject(hMonitor)) == NULL)
+ {
+ DPRINT("Couldnt find monitor 0x%lx\n", hMonitor);
+ SetLastNtError(STATUS_INVALID_HANDLE);
+ return FALSE;
+ }
+
+ /* get size of pMonitorInfo */
+ Status = MmCopyFromCaller(&MonitorInfo.cbSize, &pMonitorInfo->cbSize, sizeof (MonitorInfo.cbSize));
+ if (!NT_SUCCESS(Status))
+ {
+ IntReleaseMonitorObject(Monitor);
+ SetLastNtError(Status);
+ return FALSE;
+ }
+ if ((MonitorInfo.cbSize != sizeof (MONITORINFO)) &&
+ (MonitorInfo.cbSize != sizeof (MONITORINFOEXW)))
+ {
+ SetLastNtError(STATUS_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ ExAcquireFastMutex(&Monitor->Lock);
+ /* fill monitor info */
+ MonitorInfo.rcMonitor.left = 0; /* FIXME: get origin */
+ MonitorInfo.rcMonitor.top = 0; /* FIXME: get origin */
+ MonitorInfo.rcMonitor.right = MonitorInfo.rcMonitor.left + Monitor->GdiDevice->GDIInfo.ulHorzRes;
+ MonitorInfo.rcMonitor.bottom = MonitorInfo.rcMonitor.top + Monitor->GdiDevice->GDIInfo.ulVertRes;
+ MonitorInfo.rcWork = MonitorInfo.rcMonitor; /* FIXME: use DEVMODE panning to calculate work area? */
+ MonitorInfo.dwFlags = 0;
+ if (Monitor->IsPrimary)
+ MonitorInfo.dwFlags |= MONITORINFOF_PRIMARY;
+
+ /* fill device name */
+ if (MonitorInfo.cbSize == sizeof (MONITORINFOEXW))
+ {
+ WCHAR nul = L'\0';
+ INT len = Monitor->DeviceName.Length;
+ if (len >= CCHDEVICENAME * sizeof (WCHAR))
+ len = (CCHDEVICENAME - 1) * sizeof (WCHAR);
+
+ memcpy(MonitorInfo.szDevice, Monitor->DeviceName.Buffer, len);
+ memcpy(MonitorInfo.szDevice + (len / sizeof (WCHAR)), &nul, sizeof (WCHAR));
+ }
+ ExReleaseFastMutex(&Monitor->Lock);
+ IntReleaseMonitorObject(Monitor);
+
+ /* output data */
+ Status = MmCopyToCaller(pMonitorInfo, &MonitorInfo, MonitorInfo.cbSize);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("GetMonitorInfo: MmCopyToCaller failed\n");
+ SetLastNtError(Status);
+ return FALSE;
+ }
+
+ DPRINT("GetMonitorInfo: success\n");
+
+ return TRUE;
}
/* NtUserMonitorFromPoint
HMONITOR
STDCALL
NtUserMonitorFromPoint(
- IN POINT point,
- IN DWORD dwFlags)
+ IN POINT point,
+ IN DWORD dwFlags)
{
- INT NumMonitors;
- RECT InRect;
- HMONITOR hMonitor = NULL;
-
- /* fill inRect */
- InRect.left = InRect.right = point.x;
- InRect.top = InRect.bottom = point.y;
-
- /* find intersecting monitor */
- NumMonitors = IntGetMonitorsFromRect(&InRect, &hMonitor, NULL, 1, 0);
- if (NumMonitors < 0)
- {
- return (HMONITOR)NULL;
- }
-
- if (hMonitor == NULL)
- {
- if (dwFlags == MONITOR_DEFAULTTOPRIMARY)
- {
- PMONITOR_OBJECT MonitorObj = IntGetPrimaryMonitor();
- if (MonitorObj)
- hMonitor = MonitorObj->Handle;
- }
- else if (dwFlags == MONITOR_DEFAULTTONEAREST)
- {
- NumMonitors = IntGetMonitorsFromRect(&InRect, &hMonitor, NULL,
- 1, MONITOR_DEFAULTTONEAREST);
- /*ASSERT( (numMonitors > 0) && (hMonitor != NULL) );*/
- }
- /* else flag is DEFAULTTONULL */
- }
-
- return hMonitor;
+ INT NumMonitors;
+ RECT InRect;
+ HMONITOR hMonitor = NULL;
+
+ /* fill inRect */
+ InRect.left = InRect.right = point.x;
+ InRect.top = InRect.bottom = point.y;
+
+ /* find intersecting monitor */
+ NumMonitors = IntGetMonitorsFromRect(&InRect, &hMonitor, NULL, 1, 0);
+ if (NumMonitors < 0)
+ {
+ return (HMONITOR)NULL;
+ }
+
+ if (hMonitor == NULL)
+ {
+ if (dwFlags == MONITOR_DEFAULTTOPRIMARY)
+ {
+ PMONITOR_OBJECT MonitorObj = IntGetPrimaryMonitor();
+ if (MonitorObj)
+ hMonitor = MonitorObj->Handle;
+ }
+ else if (dwFlags == MONITOR_DEFAULTTONEAREST)
+ {
+ NumMonitors = IntGetMonitorsFromRect(&InRect, &hMonitor, NULL,
+ 1, MONITOR_DEFAULTTONEAREST);
+ /*ASSERT( (numMonitors > 0) && (hMonitor != NULL) );*/
+ }
+ /* else flag is DEFAULTTONULL */
+ }
+
+ return hMonitor;
}
/* NtUserMonitorFromRect
HMONITOR
STDCALL
NtUserMonitorFromRect(
- IN LPCRECT pRect,
- IN DWORD dwFlags)
+ IN LPCRECT pRect,
+ IN DWORD dwFlags)
{
- INT numMonitors, iLargestArea = -1, i;
- LPRECT rectList;
- HMONITOR *hMonitorList;
- HMONITOR hMonitor = NULL;
- RECT rect;
- NTSTATUS status;
-
- /* get rect */
- status = MmCopyFromCaller(&rect, pRect, sizeof (RECT));
- if (!NT_SUCCESS(status))
- {
- SetLastNtError(status);
- return (HMONITOR)NULL;
- }
-
- /* find intersecting monitors */
- numMonitors = IntGetMonitorsFromRect(&rect, NULL, NULL, 0, 0);
- if (numMonitors < 0)
- {
- return (HMONITOR)NULL;
- }
-
- if (numMonitors == 0)
- {
- if (dwFlags == MONITOR_DEFAULTTOPRIMARY)
- {
- PMONITOR_OBJECT monitorObj = IntGetPrimaryMonitor();
- if (monitorObj)
- return monitorObj->Handle;
- }
- else if (dwFlags == MONITOR_DEFAULTTONEAREST)
- {
- numMonitors = IntGetMonitorsFromRect(&rect, &hMonitor, NULL,
- 1, MONITOR_DEFAULTTONEAREST);
- if (numMonitors <= 0)
- {
- /* error? */
- return (HMONITOR)NULL;
- }
-
- if (numMonitors > 0)
- return hMonitor;
- }
- /* else flag is DEFAULTTONULL */
- return (HMONITOR)NULL;
- }
-
- hMonitorList = ExAllocatePool(PagedPool, sizeof (HMONITOR) * numMonitors);
- if (hMonitorList == NULL)
- {
- /* FIXME: SetLastWin32Error? */
- return (HMONITOR)NULL;
- }
- rectList = ExAllocatePool(PagedPool, sizeof (RECT) * numMonitors);
- if (rectList == NULL)
- {
- ExFreePool(hMonitorList);
- /* FIXME: SetLastWin32Error? */
- return (HMONITOR)NULL;
- }
-
- /* get intersecting monitors */
- numMonitors = IntGetMonitorsFromRect(&rect, hMonitorList, rectList,
- numMonitors, 0);
- if (numMonitors <= 0)
- {
- return (HMONITOR)NULL;
- }
-
- /* find largest intersection */
- for (i = 0; i < numMonitors; i++)
- {
- INT area = (rectList[i].right - rectList[i].left) *
- (rectList[i].bottom - rectList[i].top);
- if (area > iLargestArea)
- {
- hMonitor = hMonitorList[i];
- }
- }
-
- ExFreePool(hMonitorList);
- ExFreePool(rectList);
-
- return hMonitor;
+ INT numMonitors, iLargestArea = -1, i;
+ LPRECT rectList;
+ HMONITOR *hMonitorList;
+ HMONITOR hMonitor = NULL;
+ RECT rect;
+ NTSTATUS status;
+
+ /* get rect */
+ status = MmCopyFromCaller(&rect, pRect, sizeof (RECT));
+ if (!NT_SUCCESS(status))
+ {
+ SetLastNtError(status);
+ return (HMONITOR)NULL;
+ }
+
+ /* find intersecting monitors */
+ numMonitors = IntGetMonitorsFromRect(&rect, NULL, NULL, 0, 0);
+ if (numMonitors < 0)
+ {
+ return (HMONITOR)NULL;
+ }
+
+ if (numMonitors == 0)
+ {
+ if (dwFlags == MONITOR_DEFAULTTOPRIMARY)
+ {
+ PMONITOR_OBJECT monitorObj = IntGetPrimaryMonitor();
+ if (monitorObj)
+ return monitorObj->Handle;
+ }
+ else if (dwFlags == MONITOR_DEFAULTTONEAREST)
+ {
+ numMonitors = IntGetMonitorsFromRect(&rect, &hMonitor, NULL,
+ 1, MONITOR_DEFAULTTONEAREST);
+ if (numMonitors <= 0)
+ {
+ /* error? */
+ return (HMONITOR)NULL;
+ }
+
+ if (numMonitors > 0)
+ return hMonitor;
+ }
+ /* else flag is DEFAULTTONULL */
+ return (HMONITOR)NULL;
+ }
+
+ hMonitorList = ExAllocatePool(PagedPool, sizeof (HMONITOR) * numMonitors);
+ if (hMonitorList == NULL)
+ {
+ /* FIXME: SetLastWin32Error? */
+ return (HMONITOR)NULL;
+ }
+ rectList = ExAllocatePool(PagedPool, sizeof (RECT) * numMonitors);
+ if (rectList == NULL)
+ {
+ ExFreePool(hMonitorList);
+ /* FIXME: SetLastWin32Error? */
+ return (HMONITOR)NULL;
+ }
+
+ /* get intersecting monitors */
+ numMonitors = IntGetMonitorsFromRect(&rect, hMonitorList, rectList,
+ numMonitors, 0);
+ if (numMonitors <= 0)
+ {
+ return (HMONITOR)NULL;
+ }
+
+ /* find largest intersection */
+ for (i = 0; i < numMonitors; i++)
+ {
+ INT area = (rectList[i].right - rectList[i].left) *
+ (rectList[i].bottom - rectList[i].top);
+ if (area > iLargestArea)
+ {
+ hMonitor = hMonitorList[i];
+ }
+ }
+
+ ExFreePool(hMonitorList);
+ ExFreePool(rectList);
+
+ return hMonitor;
}
HMONITOR
STDCALL
NtUserMonitorFromWindow(
- IN HWND hWnd,
- IN DWORD dwFlags)
+ IN HWND hWnd,
+ IN DWORD dwFlags)
{
- PWINDOW_OBJECT Window;
- HMONITOR hMonitor = NULL;
- RECT Rect;
+ PWINDOW_OBJECT Window;
+ HMONITOR hMonitor = NULL;
+ RECT Rect;
- Window = IntGetWindowObject(hWnd);
- if (Window == NULL)
- {
- SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
- return (HMONITOR)NULL;
- }
+ Window = IntGetWindowObject(hWnd);
+ if (Window == NULL)
+ {
+ SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
+ return (HMONITOR)NULL;
+ }
- Rect.left = Rect.right = Window->WindowRect.left;
- Rect.top = Rect.bottom = Window->WindowRect.bottom;
+ Rect.left = Rect.right = Window->WindowRect.left;
+ Rect.top = Rect.bottom = Window->WindowRect.bottom;
- IntGetMonitorsFromRect(&Rect, &hMonitor, NULL, 1, dwFlags);
+ IntGetMonitorsFromRect(&Rect, &hMonitor, NULL, 1, dwFlags);
- IntReleaseWindowObject(Window);
+ IntReleaseWindowObject(Window);
- return hMonitor;
+ return hMonitor;
}
projects / reactos.git / blobdiff