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Implemented NtUserRegisterWindowMessage

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svn path=/trunk/; revision=4634
This commit is contained in:
Gé van Geldorp 2003-05-02 07:52:33 +00:00
parent 8eaabc5146
commit 6644846375
3 changed files with 82 additions and 8 deletions
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2
reactos/include/win32k/ntuser.h
View file

@ -1116,7 +1116,7 @@ NtUserRegisterTasklist(
DWORD Unknown0);
UINT STDCALL
NtUserRegisterWindowMessage(LPCWSTR MessageName);
NtUserRegisterWindowMessage(PUNICODE_STRING MessageName);
DWORD
STDCALL

9
reactos/lib/user32/windows/message.c
View file

@ -1,4 +1,4 @@
/* $Id: message.c,v 1.12 2003/03/06 23:57:00 gvg Exp $
/* $Id: message.c,v 1.13 2003/05/02 07:52:33 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS user32.dll
@ -483,7 +483,7 @@ RegisterWindowMessageA(LPCSTR lpString)
{
return(0);
}
Atom = RegisterWindowMessageW(String.Buffer);
Atom = NtUserRegisterWindowMessage(&String);
RtlFreeUnicodeString(&String);
return(Atom);
}
@ -491,7 +491,10 @@ RegisterWindowMessageA(LPCSTR lpString)
UINT STDCALL
RegisterWindowMessageW(LPCWSTR lpString)
{
return(NtUserRegisterWindowMessage(lpString));
UNICODE_STRING String;
RtlInitUnicodeString(&String, lpString);
return(NtUserRegisterWindowMessage(&String));
}

79
reactos/subsys/win32k/ntuser/window.c
View file

@ -1,4 +1,4 @@
/* $Id: window.c,v 1.40 2003/03/28 18:59:18 rcampbell Exp $
/* $Id: window.c,v 1.41 2003/05/02 07:52:33 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -30,6 +30,17 @@
#define TAG_WNAM TAG('W', 'N', 'A', 'M')
typedef struct _REGISTERED_MESSAGE
{
LIST_ENTRY ListEntry;
WCHAR MessageName[1];
} REGISTERED_MESSAGE, *PREGISTERED_MESSAGE;
static LIST_ENTRY RegisteredMessageListHead;
#define REGISTERED_MESSAGE_MIN 0xc000
#define REGISTERED_MESSAGE_MAX 0xffff
/* FUNCTIONS *****************************************************************/
HWND STDCALL
@ -299,6 +310,8 @@ W32kGetWindowProc(HWND Wnd)
NTSTATUS
InitWindowImpl(VOID)
{
InitializeListHead(&RegisteredMessageListHead);
return(STATUS_SUCCESS);
}
@ -947,11 +960,69 @@ NtUserRedrawWindow(HWND hWnd, CONST RECT *lprcUpdate, HRGN hrgnUpdate, UINT flag
}
UINT STDCALL
NtUserRegisterWindowMessage(LPCWSTR MessageName)
NtUserRegisterWindowMessage(PUNICODE_STRING MessageNameUnsafe)
{
UNIMPLEMENTED
PLIST_ENTRY Current;
PREGISTERED_MESSAGE NewMsg, RegMsg;
UINT Msg = REGISTERED_MESSAGE_MIN;
UNICODE_STRING MessageName;
NTSTATUS Status;
return(0);
Status = MmCopyFromCaller(&MessageName, MessageNameUnsafe, sizeof(UNICODE_STRING));
if (! NT_SUCCESS(Status))
{
SetLastNtError(Status);
return 0;
}
NewMsg = ExAllocatePoolWithTag(PagedPool,
sizeof(REGISTERED_MESSAGE) +
MessageName.Length,
TAG_WNAM);
if (NULL == NewMsg)
{
SetLastNtError(STATUS_NO_MEMORY);
return 0;
}
Status = MmCopyFromCaller(NewMsg->MessageName, MessageName.Buffer, MessageName.Length);
if (! NT_SUCCESS(Status))
{
ExFreePool(NewMsg);
SetLastNtError(Status);
return 0;
}
NewMsg->MessageName[MessageName.Length / sizeof(WCHAR)] = L'\0';
if (wcslen(NewMsg->MessageName) != MessageName.Length / sizeof(WCHAR))
{
ExFreePool(NewMsg);
SetLastNtError(STATUS_INVALID_PARAMETER);
return 0;
}
Current = RegisteredMessageListHead.Flink;
while (Current != &RegisteredMessageListHead)
{
RegMsg = CONTAINING_RECORD(Current, REGISTERED_MESSAGE, ListEntry);
if (0 == wcscmp(NewMsg->MessageName, RegMsg->MessageName))
{
ExFreePool(NewMsg);
return Msg;
}
Msg++;
Current = Current->Flink;
}
if (REGISTERED_MESSAGE_MAX < Msg)
{
ExFreePool(NewMsg);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
return 0;
}
InsertTailList(&RegisteredMessageListHead, &(NewMsg->ListEntry));
return Msg;
}
DWORD STDCALL