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Fixed bug 167.

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svn path=/trunk/; revision=8254
This commit is contained in:
Art Yerkes 2004-02-19 03:45:44 +00:00
parent 839f724098
commit aa83ce6cde
1 changed files with 94 additions and 88 deletions
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182
reactos/subsys/win32k/ntuser/keyboard.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: keyboard.c,v 1.21 2003/12/28 14:21:03 weiden Exp $
/* $Id: keyboard.c,v 1.22 2004/02/19 03:45:44 arty Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -40,6 +40,7 @@
#include <include/error.h>
#include <include/object.h>
#include <include/winsta.h>
#include <rosrtl/string.h>
#define NDEBUG
#include <debug.h>
@ -62,7 +63,6 @@
#define KNUMP 0x400
/* Lock the keyboard state to prevent unusual concurrent access */
/* This really should be a mutex. */
FAST_MUTEX QueueStateLock;
BYTE QueueKeyStateTable[256];
@ -78,6 +78,9 @@ NTSTATUS FASTCALL InitKeyboardImpl(VOID) {
/*** Statics used by TranslateMessage ***/
/*** Shift state code needs to be cleaned up here. Sorry, I let it get out
* of hand. */
static UINT DontDistinguishShifts( UINT ret ) {
if( ret == VK_LSHIFT || ret == VK_RSHIFT ) ret = VK_SHIFT;
if( ret == VK_LCONTROL || ret == VK_RCONTROL ) ret = VK_CONTROL;
@ -352,29 +355,29 @@ int STDCALL ToUnicode( UINT wVirtKey,
* Returns NTSTATUS.
*/
static NTSTATUS ReallyAppendUnicodeString(PUNICODE_STRING ResultFirst,
PUNICODE_STRING Second,
BOOL Deallocate) {
NTSTATUS Status;
PWSTR new_string =
ExAllocatePool(PagedPool,
(ResultFirst->Length + Second->Length + sizeof(WCHAR)));
if( !new_string ) {
return STATUS_NO_MEMORY;
}
memcpy( new_string, ResultFirst->Buffer,
ResultFirst->Length );
memcpy( new_string + ResultFirst->Length / sizeof(WCHAR),
Second->Buffer,
Second->Length );
if( Deallocate ) RtlFreeUnicodeString(ResultFirst);
ResultFirst->Length += Second->Length;
ResultFirst->MaximumLength = ResultFirst->Length;
new_string[ResultFirst->Length / sizeof(WCHAR)] = 0;
Status = RtlCreateUnicodeString(ResultFirst,new_string) ?
STATUS_SUCCESS : STATUS_NO_MEMORY;
ExFreePool(new_string);
return Status;
NTSTATUS NTAPI AppendUnicodeString(PUNICODE_STRING ResultFirst,
PUNICODE_STRING Second,
BOOL Deallocate) {
NTSTATUS Status;
PWSTR new_string =
ExAllocatePool(PagedPool,
(ResultFirst->Length + Second->Length + sizeof(WCHAR)));
if( !new_string ) {
return STATUS_NO_MEMORY;
}
memcpy( new_string, ResultFirst->Buffer,
ResultFirst->Length );
memcpy( new_string + ResultFirst->Length / sizeof(WCHAR),
Second->Buffer,
Second->Length );
if( Deallocate ) RtlFreeUnicodeString(ResultFirst);
ResultFirst->Length += Second->Length;
ResultFirst->MaximumLength = ResultFirst->Length;
new_string[ResultFirst->Length / sizeof(WCHAR)] = 0;
Status = RtlCreateUnicodeString(ResultFirst,new_string) ?
STATUS_SUCCESS : STATUS_NO_MEMORY;
ExFreePool(new_string);
return Status;
}
/*
@ -387,66 +390,66 @@ static NTSTATUS ReallyAppendUnicodeString(PUNICODE_STRING ResultFirst,
* Returns NTSTATUS
*/
static NTSTATUS ReadRegistryValue( PUNICODE_STRING KeyName,
PUNICODE_STRING ValueName,
PUNICODE_STRING ReturnedValue ) {
NTSTATUS Status;
HANDLE KeyHandle;
OBJECT_ATTRIBUTES KeyAttributes;
PKEY_VALUE_PARTIAL_INFORMATION KeyValuePartialInfo;
ULONG Length = 0;
ULONG ResLength = 0;
UNICODE_STRING Temp;
InitializeObjectAttributes(&KeyAttributes, KeyName, OBJ_CASE_INSENSITIVE,
NULL, NULL);
Status = ZwOpenKey(&KeyHandle, KEY_ALL_ACCESS, &KeyAttributes);
if( !NT_SUCCESS(Status) ) {
return Status;
}
Status = ZwQueryValueKey(KeyHandle, ValueName, KeyValuePartialInformation,
0,
0,
&ResLength);
if( Status != STATUS_BUFFER_TOO_SMALL ) {
NtClose(KeyHandle);
return Status;
}
ResLength += sizeof( *KeyValuePartialInfo );
KeyValuePartialInfo =
ExAllocatePool(PagedPool, ResLength);
Length = ResLength;
if( !KeyValuePartialInfo ) {
NtClose(KeyHandle);
return STATUS_NO_MEMORY;
}
Status = ZwQueryValueKey(KeyHandle, ValueName, KeyValuePartialInformation,
(PVOID)KeyValuePartialInfo,
Length,
&ResLength);
if( !NT_SUCCESS(Status) ) {
NtClose(KeyHandle);
static NTSTATUS NTAPI ReadRegistryValue( PUNICODE_STRING KeyName,
PUNICODE_STRING ValueName,
PUNICODE_STRING ReturnedValue ) {
NTSTATUS Status;
HANDLE KeyHandle;
OBJECT_ATTRIBUTES KeyAttributes;
PKEY_VALUE_PARTIAL_INFORMATION KeyValuePartialInfo;
ULONG Length = 0;
ULONG ResLength = 0;
UNICODE_STRING Temp;
InitializeObjectAttributes(&KeyAttributes, KeyName, OBJ_CASE_INSENSITIVE,
NULL, NULL);
Status = ZwOpenKey(&KeyHandle, KEY_ALL_ACCESS, &KeyAttributes);
if( !NT_SUCCESS(Status) ) {
return Status;
}
Status = ZwQueryValueKey(KeyHandle, ValueName, KeyValuePartialInformation,
0,
0,
&ResLength);
if( Status != STATUS_BUFFER_TOO_SMALL ) {
NtClose(KeyHandle);
return Status;
}
ResLength += sizeof( *KeyValuePartialInfo );
KeyValuePartialInfo =
ExAllocatePool(PagedPool, ResLength);
Length = ResLength;
if( !KeyValuePartialInfo ) {
NtClose(KeyHandle);
return STATUS_NO_MEMORY;
}
Status = ZwQueryValueKey(KeyHandle, ValueName, KeyValuePartialInformation,
(PVOID)KeyValuePartialInfo,
Length,
&ResLength);
if( !NT_SUCCESS(Status) ) {
NtClose(KeyHandle);
ExFreePool(KeyValuePartialInfo);
return Status;
}
Temp.Length = Temp.MaximumLength = KeyValuePartialInfo->DataLength;
Temp.Buffer = (PWCHAR)KeyValuePartialInfo->Data;
/* At this point, KeyValuePartialInfo->Data contains the key data */
RtlInitUnicodeString(ReturnedValue,L"");
AppendUnicodeString(ReturnedValue,&Temp,FALSE);
ExFreePool(KeyValuePartialInfo);
NtClose(KeyHandle);
return Status;
}
Temp.Length = Temp.MaximumLength = KeyValuePartialInfo->DataLength;
Temp.Buffer = (PWCHAR)KeyValuePartialInfo->Data;
/* At this point, KeyValuePartialInfo->Data contains the key data */
RtlInitUnicodeString(ReturnedValue,L"");
ReallyAppendUnicodeString(ReturnedValue,&Temp,FALSE);
ExFreePool(KeyValuePartialInfo);
NtClose(KeyHandle);
return Status;
}
typedef PVOID (*KbdLayerDescriptor)(VOID);
@ -491,7 +494,7 @@ void InitKbdLayout( PVOID *pkKeyboardLayout ) {
L"\\REGISTRY\\Machine\\SYSTEM\\CurrentControlSet"
L"\\Control\\KeyboardLayouts\\");
ReallyAppendUnicodeString(&LayoutKeyName,&DefaultLocale,FALSE);
AppendUnicodeString(&LayoutKeyName,&DefaultLocale,FALSE);
RtlFreeUnicodeString(&DefaultLocale);
RtlInitUnicodeString(&LayoutValueName,L"Layout File");
@ -508,7 +511,7 @@ void InitKbdLayout( PVOID *pkKeyboardLayout ) {
RtlFreeUnicodeString(&LayoutKeyName);
ReallyAppendUnicodeString(&FullLayoutPath,&LayoutFile,FALSE);
AppendUnicodeString(&FullLayoutPath,&LayoutFile,FALSE);
DPRINT("Loading Keyboard DLL %wZ\n", &FullLayoutPath);
@ -963,7 +966,9 @@ VOID FASTCALL W32kKeyProcessMessage(LPMSG Msg, PKBDTABLES KeyboardLayout) {
ModifierBits = ModBits(KeyboardLayout,QueueKeyStateTable);
/* Get the raw scan code, so we can look up whether the key is a numpad
* key */
* key
*
* Shift and the LP_EXT_BIT cancel. */
ScanCode = (Msg->lParam >> 16) & 0xff;
BaseMapping = Msg->wParam =
IntMapVirtualKeyEx( ScanCode, 1, KeyboardLayout );
@ -971,12 +976,13 @@ VOID FASTCALL W32kKeyProcessMessage(LPMSG Msg, PKBDTABLES KeyboardLayout) {
if ((ModifierBits & NUMLOCK_BIT) &&
!(ModifierBits & GetShiftBit(KeyboardLayout)) &&
(RawVk & KNUMP))
(RawVk & KNUMP) &&
!(Msg->lParam & LP_EXT_BIT))
{
/* The key in question is a numpad key. Search for a translation. */
for (i = 0; NumpadConversion[i][0]; i++)
{
if ((RawVk & 0xff) == NumpadConversion[i][0])
if ((BaseMapping & 0xff) == NumpadConversion[i][0]) /* RawVk? */
{
Msg->wParam = NumpadConversion[i][1];
break;