HWND FASTCALL
co_UserSetCapture(HWND hWnd)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
PWND pWnd, Window = NULL;
HWND hWndPrev;
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
if (ThreadQueue->QF_flags & QF_CAPTURELOCKED)
return NULL;
if (hWnd && (Window = UserGetWindowObject(hWnd)))
{
if (Window->head.pti->MessageQueue != ThreadQueue)
{
return NULL;
}
}
hWndPrev = MsqSetStateWindow(pti, MSQ_STATE_CAPTURE, hWnd);
if (hWndPrev)
{
pWnd = UserGetWindowObject(hWndPrev);
if (pWnd)
IntNotifyWinEvent(EVENT_SYSTEM_CAPTUREEND, pWnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
}
if (Window)
IntNotifyWinEvent(EVENT_SYSTEM_CAPTURESTART, Window, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
if (hWndPrev && hWndPrev != hWnd)
{
if (ThreadQueue->MenuOwner && Window) ThreadQueue->QF_flags |= QF_CAPTURELOCKED;
//co_IntPostOrSendMessage(hWndPrev, WM_CAPTURECHANGED, 0, (LPARAM)hWnd);
co_IntSendMessage(hWndPrev, WM_CAPTURECHANGED, 0, (LPARAM)hWnd);
ThreadQueue->QF_flags &= ~QF_CAPTURELOCKED;
}
ThreadQueue->spwndCapture = Window;
if (hWnd == NULL) // Release mode.
{
MOUSEINPUT mi;
/// These are HACKS!
/* Also remove other windows if not capturing anymore */
MsqSetStateWindow(pti, MSQ_STATE_MENUOWNER, NULL);
MsqSetStateWindow(pti, MSQ_STATE_MOVESIZE, NULL);
///
/* Somebody may have missed some mouse movements */
mi.dx = 0;
mi.dy = 0;
mi.mouseData = 0;
mi.dwFlags = MOUSEEVENTF_MOVE;
mi.time = 0;
mi.dwExtraInfo = 0;
UserSendMouseInput(&mi, FALSE);
}
return hWndPrev;
}
/*
* @implemented
*/
DWORD_PTR
APIENTRY
NtUserCallTwoParam(
DWORD_PTR Param1,
DWORD_PTR Param2,
DWORD Routine)
{
PWND Window;
DECLARE_RETURN(DWORD_PTR);
TRACE("Enter NtUserCallTwoParam\n");
UserEnterExclusive();
switch(Routine)
{
case TWOPARAM_ROUTINE_SETMENUBARHEIGHT:
{
DWORD_PTR Ret;
PMENU_OBJECT MenuObject = IntGetMenuObject((HMENU)Param1);
if(!MenuObject)
RETURN( 0);
if(Param2 > 0)
{
Ret = (MenuObject->MenuInfo.Height == (int)Param2);
MenuObject->MenuInfo.Height = (int)Param2;
}
else
Ret = (DWORD_PTR)MenuObject->MenuInfo.Height;
IntReleaseMenuObject(MenuObject);
RETURN( Ret);
}
case TWOPARAM_ROUTINE_SETGUITHRDHANDLE:
{
PUSER_MESSAGE_QUEUE MsgQueue = ((PTHREADINFO)PsGetCurrentThread()->Tcb.Win32Thread)->MessageQueue;
ASSERT(MsgQueue);
RETURN( (DWORD_PTR)MsqSetStateWindow(MsgQueue, (ULONG)Param1, (HWND)Param2));
}
case TWOPARAM_ROUTINE_ENABLEWINDOW:
RETURN( IntEnableWindow((HWND)Param1, (BOOL)Param2));
case TWOPARAM_ROUTINE_SHOWOWNEDPOPUPS:
{
Window = UserGetWindowObject((HWND)Param1);
if (!Window) RETURN(0);
RETURN( (DWORD_PTR)IntShowOwnedPopups(Window, (BOOL) Param2));
}
case TWOPARAM_ROUTINE_ROS_UPDATEUISTATE:
{
WPARAM wParam;
Window = UserGetWindowObject((HWND)Param1);
if (!Window) RETURN(0);
/* Unpack wParam */
wParam = MAKEWPARAM((Param2 >> 3) & 0x3,
Param2 & (UISF_HIDEFOCUS | UISF_HIDEACCEL | UISF_ACTIVE));
RETURN( UserUpdateUiState(Window, wParam) );
}
case TWOPARAM_ROUTINE_SWITCHTOTHISWINDOW:
STUB
RETURN( 0);
case TWOPARAM_ROUTINE_SETCARETPOS:
RETURN( (DWORD_PTR)co_IntSetCaretPos((int)Param1, (int)Param2));
case TWOPARAM_ROUTINE_REGISTERLOGONPROCESS:
RETURN( (DWORD_PTR)co_IntRegisterLogonProcess((HANDLE)Param1, (BOOL)Param2));
case TWOPARAM_ROUTINE_SETCURSORPOS:
RETURN( (DWORD_PTR)UserSetCursorPos((int)Param1, (int)Param2, 0, 0, FALSE));
case TWOPARAM_ROUTINE_UNHOOKWINDOWSHOOK:
RETURN( IntUnhookWindowsHook((int)Param1, (HOOKPROC)Param2));
}
ERR("Calling invalid routine number 0x%x in NtUserCallTwoParam(), Param1=0x%x Parm2=0x%x\n",
Routine, Param1, Param2);
EngSetLastError(ERROR_INVALID_PARAMETER);
RETURN( 0);
CLEANUP:
TRACE("Leave NtUserCallTwoParam, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}