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Fix more bugs in change display. when you press on aply in desk.cpl later on ok you did get change_display fail msg. fix the return code to reboot req. Remove switch statmenet for more that one flags can be send same time. example CDS_TEST + CDS_FULLSCREEN ..... and replace thuse with if statement instead.

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svn path=/trunk/; revision=15529
This commit is contained in:
Magnus Olsen 2005-05-26 20:07:10 +00:00
parent 2d7d796368
commit ec4b70a7b6
1 changed files with 50 additions and 36 deletions
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82
reactos/subsys/win32k/objects/dc.c
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@ -2494,7 +2494,6 @@ IntEnumDisplaySettings(
return TRUE;
}
LONG
FASTCALL
IntChangeDisplaySettings(
@ -2529,22 +2528,44 @@ IntChangeDisplaySettings(
if (Reset && NoReset)
return DISP_CHANGE_BADFLAGS;
switch (dwflags)
if (dwflags == 0)
{
case 0: /* Dynamically change graphics mode */
/* Dynamically change graphics mode */
DPRINT1("flag 0 UNIMPLEMENT \n");
return DISP_CHANGE_FAILED;
}
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:
if ((dwflags & CDS_TEST) == CDS_TEST)
{
/* Test reslution */
dwflags &= ~CDS_TEST;
DPRINT1("flag CDS_TEST UNIMPLEMENT");
Ret = DISP_CHANGE_FAILED;
}
if ((dwflags & CDS_FULLSCREEN) == CDS_FULLSCREEN)
{
/* Full Screen */
dwflags &= ~CDS_FULLSCREEN;
DPRINT1("flag CDS_FULLSCREEN UNIMPLEMENT");
Ret = DISP_CHANGE_FAILED;
}
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 ((dwflags & CDS_UPDATEREGISTRY) == CDS_UPDATEREGISTRY)
{
UNICODE_STRING ObjectName;
UNICODE_STRING KernelModeName;
WCHAR KernelModeNameBuffer[256];
@ -2557,15 +2578,19 @@ IntChangeDisplaySettings(
HANDLE DevInstRegKey;
ULONG NewValue;
DPRINT1("set CDS_UPDATEREGISTRY \n");
dwflags &= ~CDS_UPDATEREGISTRY;
/* 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_FAILED;
if (LastSlash == 0) return DISP_CHANGE_RESTART;
ObjectName = *pDeviceName;
ObjectName.Length -= LastSlash * sizeof(WCHAR);
ObjectName.MaximumLength -= LastSlash * sizeof(WCHAR);
@ -2577,8 +2602,10 @@ IntChangeDisplaySettings(
/* 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,
@ -2589,6 +2616,7 @@ IntChangeDisplaySettings(
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--)
@ -2596,6 +2624,7 @@ IntChangeDisplaySettings(
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);
@ -2609,11 +2638,14 @@ IntChangeDisplaySettings(
/* 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,
@ -2650,29 +2682,11 @@ IntChangeDisplaySettings(
else
/* 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;
case CDS_VIDEOPARAMETERS:
if (lParam == NULL) return DISP_CHANGE_BADPARAM;
DPRINT1("flag CDS_VIDEOPARAMETERS UNIMPLEMENT");
Ret = DISP_CHANGE_FAILED;
break;
default:
DPRINT1("flag DISP_CHANGE_BADFLAGS\n");
if (dwflags != 0)
Ret = DISP_CHANGE_BADFLAGS;
break;
}
return Ret;
}