HANDLE APIENTRY
NtUserRemoveProp(HWND hWnd, ATOM Atom)
{
PWND Window;
PPROPERTY Prop;
HANDLE Data;
DECLARE_RETURN(HANDLE);
TRACE("Enter NtUserRemoveProp\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( NULL);
}
Prop = IntGetProp(Window, Atom);
if (Prop == NULL)
{
RETURN(NULL);
}
Data = Prop->Data;
RemoveEntryList(&Prop->PropListEntry);
UserHeapFree(Prop);
Window->PropListItems--;
RETURN(Data);
CLEANUP:
TRACE("Leave NtUserRemoveProp, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
HANDLE
FASTCALL
UserGetProp(PWND pWnd, ATOM Atom)
{
PPROPERTY Prop;
Prop = IntGetProp(pWnd, Atom);
return Prop ? Prop->Data : NULL;
}
DWORD
APIENTRY
NtUserCallHwnd(
HWND hWnd,
DWORD Routine)
{
switch (Routine)
{
case HWND_ROUTINE_GETWNDCONTEXTHLPID:
{
PWND Window;
PPROPERTY HelpId;
USER_REFERENCE_ENTRY Ref;
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
UserLeave();
return 0;
}
UserRefObjectCo(Window, &Ref);
HelpId = IntGetProp(Window, gpsi->atomContextHelpIdProp);
UserDerefObjectCo(Window);
UserLeave();
return (DWORD)HelpId->Data;
}
case HWND_ROUTINE_REGISTERSHELLHOOKWINDOW:
if (IntIsWindow(hWnd))
return IntRegisterShellHookWindow(hWnd);
return FALSE;
break;
case HWND_ROUTINE_DEREGISTERSHELLHOOKWINDOW:
if (IntIsWindow(hWnd))
return IntDeRegisterShellHookWindow(hWnd);
return FALSE;
case HWND_ROUTINE_SETMSGBOX:
{
PWND Window;
UserEnterExclusive();
if ((Window = UserGetWindowObject(hWnd)))
{
Window->state |= WNDS_MSGBOX;
}
UserLeave();
return FALSE;
}
}
STUB;
return 0;
}
BOOL FASTCALL
IntRemoveProp(PWND Window, ATOM Atom)
{
PPROPERTY Prop;
Prop = IntGetProp(Window, Atom);
if (Prop == NULL)
{
return FALSE;
}
RemoveEntryList(&Prop->PropListEntry);
UserHeapFree(Prop);
Window->PropListItems--;
return TRUE;
}
/*
* Updates all WNDOBJs of the given WND and calls the change-procs.
*/
VOID
FASTCALL
IntEngWindowChanged(
PWND Window,
FLONG flChanged)
{
PPROPERTY pprop;
WNDGDI *Current;
HWND hWnd;
ASSERT_IRQL_LESS_OR_EQUAL(PASSIVE_LEVEL);
hWnd = Window->head.h;
pprop = IntGetProp(Window, AtomWndObj);
if (!pprop)
{
return;
}
Current = (WNDGDI *)pprop->Data;
if ( gcountPWO &&
Current &&
Current->Hwnd == hWnd &&
Current->WndObj.pvConsumer != NULL )
{
/* Update the WNDOBJ */
switch (flChanged)
{
case WOC_RGN_CLIENT:
/* Update the clipobj and client rect of the WNDOBJ */
IntEngWndUpdateClipObj(Current, Window);
break;
case WOC_DELETE:
/* FIXME: Should the WNDOBJs be deleted by win32k or by the driver? */
break;
}
/* Call the change proc */
IntEngWndCallChangeProc(&Current->WndObj, flChanged);
/* HACK: Send WOC_CHANGED after WOC_RGN_CLIENT */
if (flChanged == WOC_RGN_CLIENT)
{
IntEngWndCallChangeProc(&Current->WndObj, WOC_CHANGED);
}
}
}
/*
* @implemented
*/
HANDLE WINAPI
GetPropW(HWND hWnd, LPCWSTR lpString)
{
ATOM Atom;
HANDLE Data = NULL;
PPROPERTY Prop;
if (HIWORD(lpString))
{
Atom = GlobalFindAtomW(lpString);
}
else
{
Atom = LOWORD((DWORD_PTR)lpString);
}
Prop = IntGetProp(hWnd, Atom);
if (Prop != NULL) Data = Prop->Data;
return Data;
}
BOOL FASTCALL
IntSetProp(PWND pWnd, ATOM Atom, HANDLE Data)
{
PPROPERTY Prop;
Prop = IntGetProp(pWnd, Atom);
if (Prop == NULL)
{
Prop = UserHeapAlloc(sizeof(PROPERTY));
if (Prop == NULL)
{
return FALSE;
}
Prop->Atom = Atom;
InsertTailList(&pWnd->PropListHead, &Prop->PropListEntry);
pWnd->PropListItems++;
}
Prop->Data = Data;
return TRUE;
}
HWND FASTCALL
UserGethWnd( HDC hdc, PWNDOBJ *pwndo)
{
XCLIPOBJ* Clip;
PWND Wnd;
HWND hWnd;
PPROPERTY pprop;
hWnd = IntWindowFromDC(hdc);
if (hWnd && (Wnd = UserGetWindowObject(hWnd)))
{
pprop = IntGetProp(Wnd, AtomWndObj);
Clip = (XCLIPOBJ*)pprop->Data;
if ( Clip && Clip->Hwnd == hWnd )
{
if (pwndo) *pwndo = &Clip->WndObj;
}
}
return hWnd;
}