[greatlrd] 15484: ChangeDisplay

ChangeDisplay
1. Add debug msg
2. Corrent some return value for CDS_UPDATEREGISTRY
3. Remove #ifdef CDS_VIDEOPARAMETERS
Modified: trunk/reactos/subsys/win32k/objects/dc.c
  _____

Modified: trunk/reactos/subsys/win32k/objects/dc.c
--- trunk/reactos/subsys/win32k/objects/dc.c	2005-05-24 18:42:54 UTC
(rev 15483)
+++ trunk/reactos/subsys/win32k/objects/dc.c	2005-05-24 19:52:43 UTC
(rev 15484)
@@ -2509,6 +2509,8 @@

BOOLEAN SetPrimary = FALSE;
   LONG Ret;

+  DPRINT1("display flag : %x\n",dwflags);
+
   if ((dwflags & CDS_UPDATEREGISTRY) == CDS_UPDATEREGISTRY)
   {
     /* Check global, reset and noreset flags */
@@ -2530,13 +2532,17 @@
   switch (dwflags)
   {
   case 0: /* Dynamically change graphics mode */
+	DPRINT1("flag 0 UNIMPLEMENT \n");
+	
     Ret = DISP_CHANGE_FAILED;
     break;

case CDS_FULLSCREEN: /* Given mode is temporary */
+    DPRINT1("flag CDS_FULLSCREEN UNIMPLEMENT \n");
     Ret = DISP_CHANGE_FAILED;
     break;

+
   case CDS_UPDATEREGISTRY:
     {
      	UNICODE_STRING ObjectName;
@@ -2551,6 +2557,8 @@
    	HANDLE DevInstRegKey;
    	ULONG NewValue;

+		DPRINT1("set CDS_UPDATEREGISTRY \n");
+
    	/* Get device name (pDeviceName is ".\xxx") */
    	for (LastSlash = pDeviceName->Length / sizeof(WCHAR);
LastSlash > 0; LastSlash--)
    	{
@@ -2619,44 +2627,49 @@
    	{
    		RtlInitUnicodeString(&RegistryKey,
L"DefaultSettings.BitsPerPel");
    		NewValue = DevMode->dmBitsPerPel;
-			Status = ZwSetValueKey(DevInstRegKey,
&RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
+			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));
+			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));
+			Status = ZwSetValueKey(DevInstRegKey,
&RegistryKey, 0, REG_DWORD, &NewValue, sizeof(NewValue));
}

ZwClose(DevInstRegKey);
    	if (NT_SUCCESS(Status))
    		Ret = DISP_CHANGE_RESTART;
    	else
-			Ret = DISP_CHANGE_FAILED;
+			/* return DISP_CHANGE_NOTUPDATED when we can
save to reg only vaild for NT */ 
+			Ret = DISP_CHANGE_NOTUPDATED;
    	break;
     }

case CDS_TEST: /* Test if the mode could be set */
+	DPRINT1("flag CDS_TEST UNIMPLEMENT");
     Ret = DISP_CHANGE_FAILED;
     break;

-#ifdef CDS_VIDEOPARAMETERS
+
   case CDS_VIDEOPARAMETERS:
-    if (lParam == NULL)
-      return DISP_CHANGE_BADPARAM;
+
+    if (lParam == NULL) return DISP_CHANGE_BADPARAM;
+
+	DPRINT1("flag CDS_VIDEOPARAMETERS UNIMPLEMENT");
     Ret = DISP_CHANGE_FAILED;
     break;
-#endif

+
   default:
+	DPRINT1("flag DISP_CHANGE_BADFLAGS\n");
     Ret = DISP_CHANGE_BADFLAGS;
     break;
   }