mirror of
https://github.com/reactos/reactos.git
synced 2024-11-04 13:52:30 +00:00
405 lines
11 KiB
C
405 lines
11 KiB
C
/*
|
|
* PROJECT: ReactOS Kernel
|
|
* LICENSE: GPL - See COPYING in the top level directory
|
|
* FILE: ntoskrnl/ex/locale.c
|
|
* PURPOSE: Locale (Language) Support for the Executive
|
|
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
|
|
* Eric Kohl
|
|
* Thomas Weidenmueller (w3seek@reactos.org
|
|
*/
|
|
|
|
/* INCLUDES ******************************************************************/
|
|
|
|
#include <ntoskrnl.h>
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* GLOBALS *******************************************************************/
|
|
|
|
/* System IDs: EN_US */
|
|
LCID PsDefaultSystemLocaleId = 0x00000409;
|
|
LANGID PsInstallUILanguageId = LANGIDFROMLCID(0x00000409);
|
|
|
|
/* UI/Thread IDs: Same as system */
|
|
LANGID PsDefaultUILanguageId = 0x00000409;
|
|
LCID PsDefaultThreadLocaleId = LANGIDFROMLCID(0x00000409);
|
|
|
|
/* PRIVATE FUNCTIONS *********************************************************/
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
ExpGetCurrentUserUILanguage(IN PWSTR MuiName,
|
|
OUT LANGID* LanguageId)
|
|
{
|
|
UCHAR ValueBuffer[256];
|
|
PKEY_VALUE_PARTIAL_INFORMATION ValueInfo;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
UNICODE_STRING KeyName =
|
|
RTL_CONSTANT_STRING(L"Control Panel\\International");
|
|
UNICODE_STRING ValueName;
|
|
UNICODE_STRING ValueString;
|
|
ULONG ValueLength;
|
|
ULONG Value;
|
|
HANDLE UserKey;
|
|
HANDLE KeyHandle;
|
|
NTSTATUS Status;
|
|
PAGED_CODE();
|
|
|
|
/* Setup the key name */
|
|
RtlInitUnicodeString(&ValueName, MuiName);
|
|
|
|
/* Open the use key */
|
|
Status = RtlOpenCurrentUser(KEY_READ, &UserKey);
|
|
if (!NT_SUCCESS(Status)) return Status;
|
|
|
|
/* Initialize the attributes and open the key */
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&KeyName,
|
|
OBJ_CASE_INSENSITIVE,
|
|
UserKey,
|
|
NULL);
|
|
Status = ZwOpenKey(&KeyHandle, KEY_QUERY_VALUE,&ObjectAttributes);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Set buffer and query the current value */
|
|
ValueInfo = (PKEY_VALUE_PARTIAL_INFORMATION)ValueBuffer;
|
|
Status = ZwQueryValueKey(KeyHandle,
|
|
&ValueName,
|
|
KeyValuePartialInformation,
|
|
ValueBuffer,
|
|
sizeof(ValueBuffer),
|
|
&ValueLength);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Success, is the value the right type? */
|
|
if (ValueInfo->Type == REG_SZ)
|
|
{
|
|
/* It is. Initialize the data and convert it */
|
|
RtlInitUnicodeString(&ValueString, (PWSTR)ValueInfo->Data);
|
|
Status = RtlUnicodeStringToInteger(&ValueString, 16, &Value);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Return the language */
|
|
*LanguageId = (USHORT)Value;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Fail */
|
|
Status = STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
/* Close the key */
|
|
ZwClose(KeyHandle);
|
|
}
|
|
}
|
|
|
|
/* Close the user key and return */
|
|
ZwClose(UserKey);
|
|
return Status;
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
ExpSetCurrentUserUILanguage(IN PWSTR MuiName,
|
|
IN LANGID LanguageId)
|
|
{
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"Control Panel\\Desktop");
|
|
UNICODE_STRING ValueName;
|
|
WCHAR ValueBuffer[8];
|
|
ULONG ValueLength;
|
|
HANDLE UserHandle;
|
|
HANDLE KeyHandle;
|
|
NTSTATUS Status;
|
|
PAGED_CODE();
|
|
|
|
/* Setup the key name */
|
|
RtlInitUnicodeString(&ValueName, MuiName);
|
|
|
|
/* Open the use key */
|
|
Status = RtlOpenCurrentUser(KEY_WRITE, &UserHandle);
|
|
if (!NT_SUCCESS(Status)) return Status;
|
|
|
|
/* Initialize the attributes */
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&KeyName,
|
|
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
|
|
UserHandle,
|
|
NULL);
|
|
|
|
/* Open the key */
|
|
Status = ZwOpenKey(&KeyHandle, KEY_SET_VALUE, &ObjectAttributes);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Setup the value name */
|
|
ValueLength = swprintf(ValueBuffer,
|
|
L"%04lX",
|
|
(ULONG)LanguageId);
|
|
|
|
/* Set the length for the call and set the value */
|
|
ValueLength = (ValueLength + 1) * sizeof(WCHAR);
|
|
Status = ZwSetValueKey(KeyHandle,
|
|
&ValueName,
|
|
0,
|
|
REG_SZ,
|
|
ValueBuffer,
|
|
ValueLength);
|
|
|
|
/* Close the handle for this key */
|
|
ZwClose(KeyHandle);
|
|
}
|
|
|
|
/* Close the user key and return status */
|
|
ZwClose(UserHandle);
|
|
return Status;
|
|
}
|
|
|
|
/* PUBLIC FUNCTIONS **********************************************************/
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
NtQueryDefaultLocale(IN BOOLEAN UserProfile,
|
|
OUT PLCID DefaultLocaleId)
|
|
{
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
PAGED_CODE();
|
|
|
|
/* Enter SEH for probing */
|
|
_SEH2_TRY
|
|
{
|
|
/* Check if we came from user mode */
|
|
if (KeGetPreviousMode() != KernelMode)
|
|
{
|
|
/* Probe the language ID */
|
|
ProbeForWriteLangid(DefaultLocaleId);
|
|
}
|
|
|
|
/* Check if we have a user profile */
|
|
if (UserProfile)
|
|
{
|
|
/* Return thread locale */
|
|
*DefaultLocaleId = PsDefaultThreadLocaleId;
|
|
}
|
|
else
|
|
{
|
|
/* Return system locale */
|
|
*DefaultLocaleId = PsDefaultSystemLocaleId;
|
|
}
|
|
}
|
|
_SEH2_EXCEPT(ExSystemExceptionFilter())
|
|
{
|
|
/* Get exception code */
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END;
|
|
|
|
/* Return status */
|
|
return Status;
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
NtSetDefaultLocale(IN BOOLEAN UserProfile,
|
|
IN LCID DefaultLocaleId)
|
|
{
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
UNICODE_STRING KeyName;
|
|
UNICODE_STRING ValueName;
|
|
HANDLE KeyHandle;
|
|
ULONG ValueLength;
|
|
WCHAR ValueBuffer[20];
|
|
HANDLE UserKey = NULL;
|
|
NTSTATUS Status;
|
|
PAGED_CODE();
|
|
|
|
/* Check if we have a profile */
|
|
if (UserProfile)
|
|
{
|
|
/* Open the user's key */
|
|
Status = RtlOpenCurrentUser(KEY_WRITE, &UserKey);
|
|
if (!NT_SUCCESS(Status)) return(Status);
|
|
|
|
/* Initialize the registry location */
|
|
RtlInitUnicodeString(&KeyName, L"Control Panel\\International");
|
|
RtlInitUnicodeString(&ValueName, L"Locale");
|
|
}
|
|
else
|
|
{
|
|
/* Initialize the system registry location */
|
|
RtlInitUnicodeString(&KeyName,
|
|
L"\\Registry\\Machine\\System\\CurrentControlSet"
|
|
L"\\Control\\Nls\\Language");
|
|
RtlInitUnicodeString(&ValueName, L"Default");
|
|
}
|
|
|
|
/* Initailize the object attributes */
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&KeyName,
|
|
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
|
|
UserKey,
|
|
NULL);
|
|
|
|
/* Check if we don' thave a default locale yet */
|
|
if (!DefaultLocaleId)
|
|
{
|
|
DPRINT1("TODO\n");
|
|
Status = STATUS_SUCCESS;
|
|
ASSERT(FALSE);
|
|
}
|
|
else
|
|
{
|
|
/* Otherwise, open the key */
|
|
Status = ZwOpenKey(&KeyHandle, KEY_SET_VALUE, &ObjectAttributes);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Check if we had a profile */
|
|
if (UserProfile)
|
|
{
|
|
/* Fill in the buffer */
|
|
ValueLength = swprintf(ValueBuffer,
|
|
L"%08lx",
|
|
(ULONG)DefaultLocaleId);
|
|
}
|
|
else
|
|
{
|
|
/* Fill in the buffer */
|
|
ValueLength = swprintf(ValueBuffer,
|
|
L"%04lx",
|
|
(ULONG)DefaultLocaleId & 0xFFFF);
|
|
}
|
|
|
|
/* Set the length for the registry call */
|
|
ValueLength = (ValueLength + 1) * sizeof(WCHAR);
|
|
|
|
/* Now write the actual value */
|
|
Status = ZwSetValueKey(KeyHandle,
|
|
&ValueName,
|
|
0,
|
|
REG_SZ,
|
|
ValueBuffer,
|
|
ValueLength);
|
|
|
|
/* And close the key */
|
|
ZwClose(KeyHandle);
|
|
}
|
|
}
|
|
|
|
/* Close the user key */
|
|
ZwClose(UserKey);
|
|
|
|
/* Check for success */
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Check if it was for a user */
|
|
if (UserProfile)
|
|
{
|
|
/* Set thread locale */
|
|
PsDefaultThreadLocaleId = DefaultLocaleId;
|
|
}
|
|
else
|
|
{
|
|
/* Set system locale */
|
|
PsDefaultSystemLocaleId = DefaultLocaleId;
|
|
}
|
|
}
|
|
|
|
/* Return status */
|
|
return Status;
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
NTSTATUS
|
|
NTAPI
|
|
NtQueryInstallUILanguage(OUT LANGID* LanguageId)
|
|
{
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
PAGED_CODE();
|
|
|
|
/* Enter SEH for probing */
|
|
_SEH2_TRY
|
|
{
|
|
/* Check if we came from user mode */
|
|
if (KeGetPreviousMode() != KernelMode)
|
|
{
|
|
/* Probe the Language ID */
|
|
ProbeForWriteLangid(LanguageId);
|
|
}
|
|
|
|
/* Return it */
|
|
*LanguageId = PsInstallUILanguageId;
|
|
}
|
|
_SEH2_EXCEPT(ExSystemExceptionFilter())
|
|
{
|
|
/* Get exception code */
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END;
|
|
|
|
/* Return status */
|
|
return Status;
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
NTSTATUS
|
|
NTAPI
|
|
NtQueryDefaultUILanguage(OUT LANGID* LanguageId)
|
|
{
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
PAGED_CODE();
|
|
|
|
/* Enter SEH for probing */
|
|
_SEH2_TRY
|
|
{
|
|
/* Check if we came from user mode */
|
|
if (KeGetPreviousMode() != KernelMode)
|
|
{
|
|
/* Probe the Language ID */
|
|
ProbeForWriteLangid(LanguageId);
|
|
}
|
|
|
|
/* Call the executive helper routine */
|
|
Status = ExpGetCurrentUserUILanguage(L"MultiUILanguageId", LanguageId);
|
|
if (NT_SUCCESS(Status))
|
|
{
|
|
/* Success, return the language */
|
|
*LanguageId = PsInstallUILanguageId;
|
|
}
|
|
}
|
|
_SEH2_EXCEPT(ExSystemExceptionFilter())
|
|
{
|
|
/* Get exception code */
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END;
|
|
|
|
/* Return status */
|
|
return Status;
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
NTSTATUS
|
|
NTAPI
|
|
NtSetDefaultUILanguage(IN LANGID LanguageId)
|
|
{
|
|
PAGED_CODE();
|
|
|
|
/* Check if we don't have a default yet */
|
|
if (!LanguageId)
|
|
{
|
|
/* FIXME */
|
|
DPRINT1("TODO\n");
|
|
ASSERT(FALSE);
|
|
}
|
|
|
|
/* Otherwise, call the internal routine */
|
|
return ExpSetCurrentUserUILanguage(L"MUILanguagePending", LanguageId);
|
|
}
|
|
|
|
/* EOF */
|