2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS Win32k subsystem
4 * PURPOSE: Miscellaneous User functions
5 * FILE: win32ss/user/ntuser/misc.c
6 * PROGRAMER: Ge van Geldorp (ge@gse.nl)
10 DBG_DEFAULT_CHANNEL(UserMisc
);
13 * Test the Thread to verify and validate it. Hard to the core tests are required.
22 Status
= PsLookupThreadByThreadId(id
, &Thread
);
23 if (!NT_SUCCESS(Status
))
27 if (PsIsThreadTerminating(Thread
))
29 ObDereferenceObject(Thread
);
32 pti
= PsGetThreadWin32Thread(Thread
);
35 ObDereferenceObject(Thread
);
38 // Validate and verify!
41 if (pti
->TIF_flags
& TIF_INCLEANUP
) pti
= NULL
;
42 if (pti
&& !(pti
->TIF_flags
& TIF_GUITHREADINITIALIZED
)) pti
= NULL
;
43 if (PsGetThreadId(Thread
) != id
) pti
= NULL
;
45 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
50 ObDereferenceObject(Thread
);
56 UserGetLanguageToggle(VOID
)
61 Status
= RegReadUserSetting(L
"Keyboard Layout\\Toggle", L
"Layout Hotkey", REG_SZ
, &dwValue
, sizeof(dwValue
));
62 if (NT_SUCCESS(Status
))
64 dwValue
= atoi((char *)&dwValue
);
65 TRACE("Layout Hotkey %d\n",dwValue
);
72 UserGetLanguageID(VOID
)
75 OBJECT_ATTRIBUTES ObAttr
;
76 // http://support.microsoft.com/kb/324097
77 ULONG Ret
= MAKELANGID(LANG_ENGLISH
, SUBLANG_DEFAULT
);
78 PKEY_VALUE_PARTIAL_INFORMATION pKeyInfo
;
79 ULONG Size
= sizeof(KEY_VALUE_PARTIAL_INFORMATION
) + MAX_PATH
*sizeof(WCHAR
);
80 UNICODE_STRING Language
;
82 RtlInitUnicodeString( &Language
,
83 L
"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Nls\\Language");
85 InitializeObjectAttributes( &ObAttr
,
87 OBJ_CASE_INSENSITIVE
| OBJ_KERNEL_HANDLE
,
91 if ( NT_SUCCESS(ZwOpenKey(&KeyHandle
, KEY_READ
, &ObAttr
)))
93 pKeyInfo
= ExAllocatePoolWithTag(PagedPool
, Size
, TAG_STRING
);
96 RtlInitUnicodeString(&Language
, L
"Default");
98 if ( NT_SUCCESS(ZwQueryValueKey( KeyHandle
,
100 KeyValuePartialInformation
,
105 RtlInitUnicodeString(&Language
, (PWSTR
)pKeyInfo
->Data
);
106 if (!NT_SUCCESS(RtlUnicodeStringToInteger(&Language
, 16, &Ret
)))
108 Ret
= MAKELANGID(LANG_ENGLISH
, SUBLANG_DEFAULT
);
111 ExFreePoolWithTag(pKeyInfo
, TAG_STRING
);
115 TRACE("Language ID = %x\n",Ret
);
129 if (!pwndParent
) pwndParent
= pwnd
;
131 if ( pwndParent
->head
.pti
->ppi
!= PsGetCurrentProcessWin32Process())
133 return (HBRUSH
)IntDefWindowProc( pwndParent
, CtlMsg
, (WPARAM
)hdc
, (LPARAM
)UserHMGetHandle(pwnd
), FALSE
);
136 hBrush
= (HBRUSH
)co_IntSendMessage( UserHMGetHandle(pwndParent
), CtlMsg
, (WPARAM
)hdc
, (LPARAM
)UserHMGetHandle(pwnd
));
138 if (!hBrush
|| !GreIsHandleValid(hBrush
))
140 hBrush
= (HBRUSH
)IntDefWindowProc( pwndParent
, CtlMsg
, (WPARAM
)hdc
, (LPARAM
)UserHMGetHandle(pwnd
), FALSE
);
152 PWND pwndParent
= IntGetParent(pwnd
);
153 return GetControlColor( pwndParent
, pwnd
, hdc
, ctlType
);
158 NtUserGetControlBrush(
164 HBRUSH hBrush
= NULL
;
166 UserEnterExclusive();
167 if ( (pwnd
= UserGetWindowObject(hwnd
)) &&
168 ((ctlType
- WM_CTLCOLORMSGBOX
) < CTLCOLOR_MAX
) &&
171 hBrush
= GetControlBrush(pwnd
, hdc
, ctlType
);
178 * Called from PaintRect, works almost like wine PaintRect16 but returns hBrush.
182 NtUserGetControlColor(
186 UINT CtlMsg
) // Wine PaintRect: WM_CTLCOLORMSGBOX + hbrush
188 PWND pwnd
, pwndParent
= NULL
;
189 HBRUSH hBrush
= NULL
;
191 UserEnterExclusive();
192 if ( (pwnd
= UserGetWindowObject(hwnd
)) &&
193 ((CtlMsg
- WM_CTLCOLORMSGBOX
) < CTLCOLOR_MAX
) &&
196 if (hwndParent
) pwndParent
= UserGetWindowObject(hwndParent
);
197 hBrush
= GetControlColor( pwndParent
, pwnd
, hdc
, CtlMsg
);
207 NtUserGetThreadState(
212 TRACE("Enter NtUserGetThreadState\n");
213 if (Routine
!= THREADSTATE_GETTHREADINFO
)
219 UserEnterExclusive();
224 case THREADSTATE_GETTHREADINFO
:
227 case THREADSTATE_FOCUSWINDOW
:
228 ret
= (DWORD_PTR
)IntGetThreadFocusWindow();
230 case THREADSTATE_CAPTUREWINDOW
:
231 /* FIXME: Should use UserEnterShared */
232 ret
= (DWORD_PTR
)IntGetCapture();
234 case THREADSTATE_PROGMANWINDOW
:
235 ret
= (DWORD_PTR
)GetW32ThreadInfo()->pDeskInfo
->hProgmanWindow
;
237 case THREADSTATE_TASKMANWINDOW
:
238 ret
= (DWORD_PTR
)GetW32ThreadInfo()->pDeskInfo
->hTaskManWindow
;
240 case THREADSTATE_ACTIVEWINDOW
:
241 ret
= (DWORD_PTR
)UserGetActiveWindow();
243 case THREADSTATE_INSENDMESSAGE
:
245 PUSER_SENT_MESSAGE Message
=
246 ((PTHREADINFO
)PsGetCurrentThreadWin32Thread())->pusmCurrent
;
247 TRACE("THREADSTATE_INSENDMESSAGE\n");
252 if (Message
->ptiSender
)
256 if (Message
->CompletionCallback
)
257 ret
= ISMEX_CALLBACK
;
261 /* If ReplyMessage */
262 if (Message
->QS_Flags
& QS_SMRESULT
) ret
|= ISMEX_REPLIED
;
267 case THREADSTATE_GETMESSAGETIME
:
268 ret
= ((PTHREADINFO
)PsGetCurrentThreadWin32Thread())->timeLast
;
271 case THREADSTATE_UPTIMELASTREAD
:
274 LARGE_INTEGER LargeTickCount
;
275 pti
= PsGetCurrentThreadWin32Thread();
276 KeQueryTickCount(&LargeTickCount
);
277 pti
->timeLast
= LargeTickCount
.u
.LowPart
;
278 pti
->pcti
->tickLastMsgChecked
= LargeTickCount
.u
.LowPart
;
282 case THREADSTATE_GETINPUTSTATE
:
283 ret
= LOWORD(IntGetQueueStatus(QS_POSTMESSAGE
|QS_TIMER
|QS_PAINT
|QS_SENDMESSAGE
|QS_INPUT
)) & (QS_KEY
| QS_MOUSEBUTTON
);
286 case THREADSTATE_FOREGROUNDTHREAD
:
287 ret
= (gpqForeground
== GetW32ThreadInfo()->MessageQueue
);
289 case THREADSTATE_GETCURSOR
:
290 ret
= (DWORD_PTR
) (GetW32ThreadInfo()->MessageQueue
->CursorObject
?
291 UserHMGetHandle(GetW32ThreadInfo()->MessageQueue
->CursorObject
) : 0);
293 case THREADSTATE_GETMESSAGEEXTRAINFO
:
294 ret
= (DWORD_PTR
)MsqGetMessageExtraInfo();
298 TRACE("Leave NtUserGetThreadState, ret=%lu\n", ret
);
306 NtUserSetThreadState(
312 // Test the only flags user can change.
313 if (Set
& ~(QF_FF10STATUS
|QF_DIALOGACTIVE
|QF_TABSWITCHING
|QF_FMENUSTATUS
|QF_FMENUSTATUSBREAK
)) return 0;
314 if (Flags
& ~(QF_FF10STATUS
|QF_DIALOGACTIVE
|QF_TABSWITCHING
|QF_FMENUSTATUS
|QF_FMENUSTATUSBREAK
)) return 0;
315 UserEnterExclusive();
316 pti
= PsGetCurrentThreadWin32Thread();
317 if (pti
->MessageQueue
)
319 Ret
= pti
->MessageQueue
->QF_flags
; // Get the queue flags.
321 pti
->MessageQueue
->QF_flags
|= (Set
&Flags
); // Set the queue flags.
324 if (Flags
) pti
->MessageQueue
->QF_flags
&= ~Flags
; // Clr the queue flags.
333 NtUserGetDoubleClickTime(VOID
)
337 TRACE("Enter NtUserGetDoubleClickTime\n");
340 // FIXME: Check if this works on non-interactive winsta
341 Result
= gspv
.iDblClickTime
;
343 TRACE("Leave NtUserGetDoubleClickTime, ret=%u\n", Result
);
350 NtUserGetGUIThreadInfo(
351 DWORD idThread
, /* If NULL use foreground thread */
352 LPGUITHREADINFO lpgui
)
355 PTHRDCARETINFO CaretInfo
;
356 GUITHREADINFO SafeGui
;
358 PUSER_MESSAGE_QUEUE MsgQueue
;
359 PTHREADINFO W32Thread
;
360 PETHREAD Thread
= NULL
;
362 DECLARE_RETURN(BOOLEAN
);
364 TRACE("Enter NtUserGetGUIThreadInfo\n");
367 Status
= MmCopyFromCaller(&SafeGui
, lpgui
, sizeof(DWORD
));
368 if(!NT_SUCCESS(Status
))
370 SetLastNtError(Status
);
374 if(SafeGui
.cbSize
!= sizeof(GUITHREADINFO
))
376 EngSetLastError(ERROR_INVALID_PARAMETER
);
382 Status
= PsLookupThreadByThreadId((HANDLE
)(DWORD_PTR
)idThread
, &Thread
);
383 if(!NT_SUCCESS(Status
))
385 EngSetLastError(ERROR_ACCESS_DENIED
);
388 W32Thread
= (PTHREADINFO
)Thread
->Tcb
.Win32Thread
;
389 Desktop
= W32Thread
->rpdesk
;
391 if (!Thread
|| !Desktop
)
394 ObDereferenceObject(Thread
);
395 EngSetLastError(ERROR_ACCESS_DENIED
);
399 if ( W32Thread
->MessageQueue
)
400 MsgQueue
= W32Thread
->MessageQueue
;
403 if ( Desktop
) MsgQueue
= Desktop
->ActiveMessageQueue
;
407 { /* Get the foreground thread */
408 /* FIXME: Handle NULL queue properly? */
409 MsgQueue
= IntGetFocusMessageQueue();
412 EngSetLastError(ERROR_ACCESS_DENIED
);
417 CaretInfo
= &MsgQueue
->CaretInfo
;
419 SafeGui
.flags
= (CaretInfo
->Visible
? GUI_CARETBLINKING
: 0);
421 if (W32Thread->pMenuState->pGlobalPopupMenu)
423 SafeGui.flags |= GUI_INMENUMODE;
425 if (W32Thread->pMenuState->pGlobalPopupMenu->spwndNotify)
426 SafeGui.hwndMenuOwner = UserHMGetHandle(W32Thread->pMenuState->pGlobalPopupMenu->spwndNotify);
428 if (W32Thread->pMenuState->pGlobalPopupMenu->fHasMenuBar)
430 if (W32Thread->pMenuState->pGlobalPopupMenu->fIsSysMenu)
432 SafeGui.flags |= GUI_SYSTEMMENUMODE;
437 SafeGui.flags |= GUI_POPUPMENUMODE;
441 SafeGui
.hwndMenuOwner
= MsgQueue
->MenuOwner
;
443 if (MsgQueue
->MenuOwner
)
444 SafeGui
.flags
|= GUI_INMENUMODE
| MsgQueue
->MenuState
;
446 if (MsgQueue
->MoveSize
)
447 SafeGui
.flags
|= GUI_INMOVESIZE
;
449 /* FIXME: Add flag GUI_16BITTASK */
451 SafeGui
.hwndActive
= MsgQueue
->spwndActive
? UserHMGetHandle(MsgQueue
->spwndActive
) : 0;
452 SafeGui
.hwndFocus
= MsgQueue
->spwndFocus
? UserHMGetHandle(MsgQueue
->spwndFocus
) : 0;
453 SafeGui
.hwndCapture
= MsgQueue
->spwndCapture
? UserHMGetHandle(MsgQueue
->spwndCapture
) : 0;
454 SafeGui
.hwndMoveSize
= MsgQueue
->MoveSize
;
455 SafeGui
.hwndCaret
= CaretInfo
->hWnd
;
457 SafeGui
.rcCaret
.left
= CaretInfo
->Pos
.x
;
458 SafeGui
.rcCaret
.top
= CaretInfo
->Pos
.y
;
459 SafeGui
.rcCaret
.right
= SafeGui
.rcCaret
.left
+ CaretInfo
->Size
.cx
;
460 SafeGui
.rcCaret
.bottom
= SafeGui
.rcCaret
.top
+ CaretInfo
->Size
.cy
;
463 ObDereferenceObject(Thread
);
465 Status
= MmCopyToCaller(lpgui
, &SafeGui
, sizeof(GUITHREADINFO
));
466 if(!NT_SUCCESS(Status
))
468 SetLastNtError(Status
);
475 TRACE("Leave NtUserGetGUIThreadInfo, ret=%u\n",_ret_
);
483 NtUserGetGuiResources(
488 PPROCESSINFO W32Process
;
491 DECLARE_RETURN(DWORD
);
493 TRACE("Enter NtUserGetGuiResources\n");
496 Status
= ObReferenceObjectByHandle(hProcess
,
497 PROCESS_QUERY_INFORMATION
,
503 if(!NT_SUCCESS(Status
))
505 SetLastNtError(Status
);
509 W32Process
= (PPROCESSINFO
)Process
->Win32Process
;
512 ObDereferenceObject(Process
);
513 EngSetLastError(ERROR_INVALID_PARAMETER
);
521 Ret
= (DWORD
)W32Process
->GDIHandleCount
;
526 Ret
= (DWORD
)W32Process
->UserHandleCount
;
531 EngSetLastError(ERROR_INVALID_PARAMETER
);
536 ObDereferenceObject(Process
);
541 TRACE("Leave NtUserGetGuiResources, ret=%lu\n",_ret_
);
547 IntSetWindowState(PWND pWnd
, UINT Flag
)
550 if (gptiCurrent
->ppi
!= pWnd
->head
.pti
->ppi
) return;
551 bit
= 1 << LOWORD(Flag
);
552 TRACE("SWS %x\n",bit
);
562 pWnd
->ExStyle2
|= bit
;
568 IntClearWindowState(PWND pWnd
, UINT Flag
)
571 if (gptiCurrent
->ppi
!= pWnd
->head
.pti
->ppi
) return;
572 bit
= 1 << LOWORD(Flag
);
573 TRACE("CWS %x\n",bit
);
580 pWnd
->state2
&= ~bit
;
583 pWnd
->ExStyle2
&= ~bit
;
589 IntSafeCopyUnicodeString(PUNICODE_STRING Dest
,
590 PUNICODE_STRING Source
)
595 Status
= MmCopyFromCaller(Dest
, Source
, sizeof(UNICODE_STRING
));
596 if(!NT_SUCCESS(Status
))
601 if(Dest
->Length
> 0x4000)
603 return STATUS_UNSUCCESSFUL
;
608 Dest
->MaximumLength
= Dest
->Length
;
610 if(Dest
->Length
> 0 && Src
)
612 Dest
->Buffer
= ExAllocatePoolWithTag(PagedPool
, Dest
->MaximumLength
, TAG_STRING
);
615 return STATUS_NO_MEMORY
;
618 Status
= MmCopyFromCaller(Dest
->Buffer
, Src
, Dest
->Length
);
619 if(!NT_SUCCESS(Status
))
621 ExFreePoolWithTag(Dest
->Buffer
, TAG_STRING
);
627 return STATUS_SUCCESS
;
630 /* String is empty */
631 return STATUS_SUCCESS
;
635 IntSafeCopyUnicodeStringTerminateNULL(PUNICODE_STRING Dest
,
636 PUNICODE_STRING Source
)
641 Status
= MmCopyFromCaller(Dest
, Source
, sizeof(UNICODE_STRING
));
642 if(!NT_SUCCESS(Status
))
647 if(Dest
->Length
> 0x4000)
649 return STATUS_UNSUCCESSFUL
;
654 Dest
->MaximumLength
= 0;
656 if(Dest
->Length
> 0 && Src
)
658 Dest
->MaximumLength
= Dest
->Length
+ sizeof(WCHAR
);
659 Dest
->Buffer
= ExAllocatePoolWithTag(PagedPool
, Dest
->MaximumLength
, TAG_STRING
);
662 return STATUS_NO_MEMORY
;
665 Status
= MmCopyFromCaller(Dest
->Buffer
, Src
, Dest
->Length
);
666 if(!NT_SUCCESS(Status
))
668 ExFreePoolWithTag(Dest
->Buffer
, TAG_STRING
);
673 /* Make sure the string is null-terminated */
674 Src
= (PWSTR
)((PBYTE
)Dest
->Buffer
+ Dest
->Length
);
677 return STATUS_SUCCESS
;
680 /* String is empty */
681 return STATUS_SUCCESS
;
684 void UserDbgAssertThreadInfo(BOOL showCaller
)
691 ppi
= PsGetCurrentProcessWin32Process();
692 pti
= PsGetCurrentThreadWin32Thread();
693 Teb
= NtCurrentTeb();
694 pci
= GetWin32ClientInfo();
698 ASSERT(pti
->ppi
== ppi
);
699 ASSERT(pti
->pClientInfo
== pci
);
700 ASSERT(Teb
->Win32ThreadInfo
== pti
);
701 ASSERT(pci
->ppi
== ppi
);
702 ASSERT(pci
->fsHooks
== pti
->fsHooks
);
703 ASSERT(pci
->ulClientDelta
== DesktopHeapGetUserDelta());
704 if (pti
->pcti
&& pci
->pDeskInfo
)
705 ASSERT(pci
->pClientThreadInfo
== (PVOID
)((ULONG_PTR
)pti
->pcti
- pci
->ulClientDelta
));
706 if (pti
->pcti
&& IsListEmpty(&pti
->SentMessagesListHead
))
707 ASSERT((pti
->pcti
->fsChangeBits
& QS_SENDMESSAGE
) == 0);
708 if (pti
->KeyboardLayout
)
709 ASSERT(pci
->hKL
== pti
->KeyboardLayout
->hkl
);
710 if(pti
->rpdesk
!= NULL
)
711 ASSERT(pti
->pDeskInfo
== pti
->rpdesk
->pDeskInfo
);
713 /*too bad we still get this assertion*/
715 // Why? Not all flags are passed to the user and doing so could crash the system........
717 /* ASSERT(pci->dwTIFlags == pti->TIF_flags); */
718 /* if(pci->dwTIFlags != pti->TIF_flags)
720 ERR("pci->dwTIFlags(0x%x) doesn't match pti->TIF_flags(0x%x)\n", pci->dwTIFlags, pti->TIF_flags);
723 DbgPrint("Caller:\n");
724 KeRosDumpStackFrames(NULL, 10);
726 pci->dwTIFlags = pti->TIF_flags;
733 UserDbgPreServiceHook(ULONG ulSyscallId
, PULONG_PTR pulArguments
)
735 UserDbgAssertThreadInfo(FALSE
);
740 UserDbgPostServiceHook(ULONG ulSyscallId
, ULONG_PTR ulResult
)
742 /* Make sure that the first syscall is NtUserInitialize */
743 /* too bad this fails */
744 // ASSERT(gpepCSRSS);
746 UserDbgAssertThreadInfo(TRUE
);
753 GetW32ProcessInfo(VOID
)
755 return (PPROCESSINFO
)PsGetCurrentProcessWin32Process();
759 GetW32ThreadInfo(VOID
)
761 UserDbgAssertThreadInfo(TRUE
);
762 return (PTHREADINFO
)PsGetCurrentThreadWin32Thread();
768 IN PETHREAD Thread OPTIONAL
,
769 IN PEPROCESS Process OPTIONAL
,
773 PACCESS_TOKEN Token
= NULL
;
774 SECURITY_IMPERSONATION_LEVEL ImpersonationLevel
;
775 BOOLEAN CopyOnOpen
, EffectiveOnly
;
777 if (Thread
&& Process
)
778 return STATUS_INVALID_PARAMETER
;
780 /* If nothing has been specified, use the current thread */
781 if (!Thread
&& !Process
)
782 Thread
= PsGetCurrentThread();
786 /* Use a thread token */
788 Token
= PsReferenceImpersonationToken(Thread
,
791 &ImpersonationLevel
);
793 /* If we don't have a thread token, use a process token */
795 Process
= PsGetThreadProcess(Thread
);
797 if (!Token
&& Process
)
799 /* Use a process token */
800 Token
= PsReferencePrimaryToken(Process
);
802 /* If we don't have a token, fail */
804 return STATUS_NO_TOKEN
;
809 Status
= SeQueryAuthenticationIdToken(Token
, Luid
);
811 /* Get rid of the token and return */
812 ObDereferenceObject(Token
);