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reactos/subsystems/win32/win32k/ntuser/window.c
Timo Kreuzer 5f2d67cb35 Sync to trunk head (r47736) 
svn path=/branches/reactos-yarotows/; revision=47746
2010-06-10 20:57:03 +00:00

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: Windows
* FILE: subsystems/win32/win32k/ntuser/window.c
* PROGRAMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
* REVISION HISTORY:
* 06-06-2001 CSH Created
*/
/* INCLUDES ******************************************************************/
#include <win32k.h>
#define NDEBUG
#include <debug.h>
/* dialog resources appear to pass this in 16 bits, handle them properly */
#define CW_USEDEFAULT16 (0x8000)
#define POINT_IN_RECT(p, r) (((r.bottom >= p.y) && (r.top <= p.y))&&((r.left <= p.x )&&( r.right >= p.x )))
/* PRIVATE FUNCTIONS **********************************************************/
/*
* InitWindowImpl
*
* Initialize windowing implementation.
*/
NTSTATUS FASTCALL
InitWindowImpl(VOID)
{
return STATUS_SUCCESS;
}
/*
* CleanupWindowImpl
*
* Cleanup windowing implementation.
*/
NTSTATUS FASTCALL
CleanupWindowImpl(VOID)
{
return STATUS_SUCCESS;
}
/* HELPER FUNCTIONS ***********************************************************/
BOOL FASTCALL UserUpdateUiState(PWND Wnd, WPARAM wParam)
{
WORD Action = LOWORD(wParam);
WORD Flags = HIWORD(wParam);
if (Flags & ~(UISF_HIDEFOCUS | UISF_HIDEACCEL | UISF_ACTIVE))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return FALSE;
}
switch (Action)
{
case UIS_INITIALIZE:
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return FALSE;
case UIS_SET:
if (Flags & UISF_HIDEFOCUS)
Wnd->HideFocus = TRUE;
if (Flags & UISF_HIDEACCEL)
Wnd->HideAccel = TRUE;
break;
case UIS_CLEAR:
if (Flags & UISF_HIDEFOCUS)
Wnd->HideFocus = FALSE;
if (Flags & UISF_HIDEACCEL)
Wnd->HideAccel = FALSE;
break;
}
return TRUE;
}
PWINDOW_OBJECT FASTCALL IntGetWindowObject(HWND hWnd)
{
PWINDOW_OBJECT Window;
if (!hWnd) return NULL;
Window = UserGetWindowObject(hWnd);
if (Window)
{
ASSERT(Window->head.cLockObj >= 0);
Window->head.cLockObj++;
ASSERT(Window->Wnd);
}
return Window;
}
/* temp hack */
PWINDOW_OBJECT FASTCALL UserGetWindowObject(HWND hWnd)
{
PTHREADINFO ti;
PWINDOW_OBJECT Window;
if (PsGetCurrentProcess() != PsInitialSystemProcess)
{
ti = GetW32ThreadInfo();
if (ti == NULL)
{
SetLastWin32Error(ERROR_ACCESS_DENIED);
return NULL;
}
}
if (!hWnd)
{
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
return NULL;
}
Window = (PWINDOW_OBJECT)UserGetObject(gHandleTable, hWnd, otWindow);
if (!Window || 0 != (Window->state & WINDOWSTATUS_DESTROYED))
{
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
return NULL;
}
ASSERT(Window->head.cLockObj >= 0);
ASSERT(Window->Wnd);
return Window;
}
/*
* IntIsWindow
*
* The function determines whether the specified window handle identifies
* an existing window.
*
* Parameters
* hWnd
* Handle to the window to test.
*
* Return Value
* If the window handle identifies an existing window, the return value
* is TRUE. If the window handle does not identify an existing window,
* the return value is FALSE.
*/
BOOL FASTCALL
IntIsWindow(HWND hWnd)
{
PWINDOW_OBJECT Window;
if (!(Window = UserGetWindowObject(hWnd)))
return FALSE;
return TRUE;
}
PWINDOW_OBJECT FASTCALL
IntGetParent(PWINDOW_OBJECT Wnd)
{
if (Wnd->Wnd->style & WS_POPUP)
{
return Wnd->spwndOwner;
}
else if (Wnd->Wnd->style & WS_CHILD)
{
return Wnd->spwndParent;
}
return NULL;
}
/*
* IntWinListChildren
*
* Compile a list of all child window handles from given window.
*
* Remarks
* This function is similar to Wine WIN_ListChildren. The caller
* must free the returned list with ExFreePool.
*/
HWND* FASTCALL
IntWinListChildren(PWINDOW_OBJECT Window)
{
PWINDOW_OBJECT Child;
HWND *List;
UINT Index, NumChildren = 0;
if (!Window) return NULL;
for (Child = Window->spwndChild; Child; Child = Child->spwndNext)
++NumChildren;
List = ExAllocatePoolWithTag(PagedPool, (NumChildren + 1) * sizeof(HWND), TAG_WINLIST);
if(!List)
{
DPRINT1("Failed to allocate memory for children array\n");
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
return NULL;
}
for (Child = Window->spwndChild, Index = 0;
Child != NULL;
Child = Child->spwndNext, ++Index)
List[Index] = Child->hSelf;
List[Index] = NULL;
return List;
}
/***********************************************************************
* IntSendDestroyMsg
*/
static void IntSendDestroyMsg(HWND hWnd)
{
PWINDOW_OBJECT Window;
#if 0 /* FIXME */
GUITHREADINFO info;
if (GetGUIThreadInfo(GetCurrentThreadId(), &info))
{
if (hWnd == info.hwndCaret)
{
DestroyCaret();
}
}
#endif
Window = UserGetWindowObject(hWnd);
if (Window)
{
// USER_REFERENCE_ENTRY Ref;
// UserRefObjectCo(Window, &Ref);
if (!Window->spwndOwner && !IntGetParent(Window))
{
co_IntShellHookNotify(HSHELL_WINDOWDESTROYED, (LPARAM) hWnd);
}
// UserDerefObjectCo(Window);
}
/* The window could already be destroyed here */
/*
* Send the WM_DESTROY to the window.
*/
co_IntSendMessage(hWnd, WM_DESTROY, 0, 0);
/*
* This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
* make sure that the window still exists when we come back.
*/
#if 0 /* FIXME */
if (IsWindow(Wnd))
{
HWND* pWndArray;
int i;
if (!(pWndArray = WIN_ListChildren( hwnd )))
return;
/* start from the end (FIXME: is this needed?) */
for (i = 0; pWndArray[i]; i++)
;
while (--i >= 0)
{
if (IsWindow( pWndArray[i] ))
WIN_SendDestroyMsg( pWndArray[i] );
}
HeapFree(GetProcessHeap(), 0, pWndArray);
}
else
{
DPRINT("destroyed itself while in WM_DESTROY!\n");
}
#endif
}
static VOID
UserFreeWindowInfo(PTHREADINFO ti, PWINDOW_OBJECT WindowObject)
{
PCLIENTINFO ClientInfo = GetWin32ClientInfo();
PWND Wnd = WindowObject->Wnd;
if (!Wnd) return;
if (ClientInfo->CallbackWnd.pvWnd == DesktopHeapAddressToUser(WindowObject->Wnd))
{
ClientInfo->CallbackWnd.hWnd = NULL;
ClientInfo->CallbackWnd.pvWnd = NULL;
}
if (Wnd->strName.Buffer != NULL)
{
Wnd->strName.Length = 0;
Wnd->strName.MaximumLength = 0;
DesktopHeapFree(Wnd->head.rpdesk,
Wnd->strName.Buffer);
Wnd->strName.Buffer = NULL;
}
DesktopHeapFree(Wnd->head.rpdesk, Wnd);
WindowObject->Wnd = NULL;
}
/***********************************************************************
* IntDestroyWindow
*
* Destroy storage associated to a window. "Internals" p.358
*
* This is the "functional" DestroyWindows function ei. all stuff
* done in CreateWindow is undone here and not in DestroyWindow:-P
*/
static LRESULT co_UserFreeWindow(PWINDOW_OBJECT Window,
PPROCESSINFO ProcessData,
PTHREADINFO ThreadData,
BOOLEAN SendMessages)
{
HWND *Children;
HWND *ChildHandle;
PWINDOW_OBJECT Child;
PMENU_OBJECT Menu;
BOOLEAN BelongsToThreadData;
PWND Wnd;
ASSERT(Window);
Wnd = Window->Wnd;
if(Window->state & WINDOWSTATUS_DESTROYING)
{
DPRINT("Tried to call IntDestroyWindow() twice\n");
return 0;
}
Window->state |= WINDOWSTATUS_DESTROYING;
Wnd->style &= ~WS_VISIBLE;
IntNotifyWinEvent(EVENT_OBJECT_DESTROY, Wnd, OBJID_WINDOW, 0);
/* remove the window already at this point from the thread window list so we
don't get into trouble when destroying the thread windows while we're still
in IntDestroyWindow() */
RemoveEntryList(&Window->ThreadListEntry);
BelongsToThreadData = IntWndBelongsToThread(Window, ThreadData);
IntDeRegisterShellHookWindow(Window->hSelf);
if(SendMessages)
{
/* Send destroy messages */
IntSendDestroyMsg(Window->hSelf);
}
/* free child windows */
Children = IntWinListChildren(Window);
if (Children)
{
for (ChildHandle = Children; *ChildHandle; ++ChildHandle)
{
if ((Child = IntGetWindowObject(*ChildHandle)))
{
if(!IntWndBelongsToThread(Child, ThreadData))
{
/* send WM_DESTROY messages to windows not belonging to the same thread */
IntSendDestroyMsg(Child->hSelf);
}
else
co_UserFreeWindow(Child, ProcessData, ThreadData, SendMessages);
UserDereferenceObject(Child);
}
}
ExFreePool(Children);
}
if(SendMessages)
{
/*
* Clear the update region to make sure no WM_PAINT messages will be
* generated for this window while processing the WM_NCDESTROY.
*/
co_UserRedrawWindow(Window, NULL, 0,
RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE |
RDW_NOINTERNALPAINT | RDW_NOCHILDREN);
if(BelongsToThreadData)
co_IntSendMessage(Window->hSelf, WM_NCDESTROY, 0, 0);
}
DestroyTimersForWindow(ThreadData, Window);
HOOK_DestroyThreadHooks(ThreadData->pEThread); // This is needed here too!
/* flush the message queue */
MsqRemoveWindowMessagesFromQueue(Window);
/* from now on no messages can be sent to this window anymore */
Window->state |= WINDOWSTATUS_DESTROYED;
Wnd->state |= WNDS_DESTROYED;
Wnd->fnid |= FNID_FREED;
/* don't remove the WINDOWSTATUS_DESTROYING bit */
/* reset shell window handles */
if(ThreadData->rpdesk)
{
if (Window->hSelf == ThreadData->rpdesk->rpwinstaParent->ShellWindow)
ThreadData->rpdesk->rpwinstaParent->ShellWindow = NULL;
if (Window->hSelf == ThreadData->rpdesk->rpwinstaParent->ShellListView)
ThreadData->rpdesk->rpwinstaParent->ShellListView = NULL;
}
/* Unregister hot keys */
UnregisterWindowHotKeys (Window);
/* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
#if 0 /* FIXME */
WinPosCheckInternalPos(Window->hSelf);
if (Window->hSelf == GetCapture())
{
ReleaseCapture();
}
/* free resources associated with the window */
TIMER_RemoveWindowTimers(Window->hSelf);
#endif
if (!(Wnd->style & WS_CHILD) && Wnd->IDMenu
&& (Menu = UserGetMenuObject((HMENU)Wnd->IDMenu)))
{
IntDestroyMenuObject(Menu, TRUE, TRUE);
Wnd->IDMenu = 0;
}
if(Window->SystemMenu
&& (Menu = UserGetMenuObject(Window->SystemMenu)))
{
IntDestroyMenuObject(Menu, TRUE, TRUE);
Window->SystemMenu = (HMENU)0;
}
DceFreeWindowDCE(Window); /* Always do this to catch orphaned DCs */
#if 0 /* FIXME */
WINPROC_FreeProc(Window->winproc, WIN_PROC_WINDOW);
CLASS_RemoveWindow(Window->Class);
#endif
IntUnlinkWindow(Window);
UserReferenceObject(Window);
UserDeleteObject(Window->hSelf, otWindow);
IntDestroyScrollBars(Window);
/* dereference the class */
IntDereferenceClass(Wnd->pcls,
Window->pti->pDeskInfo,
Window->pti->ppi);
Wnd->pcls = NULL;
if(Window->hrgnClip)
{
GreDeleteObject(Window->hrgnClip);
}
ASSERT(Window->Wnd != NULL);
UserFreeWindowInfo(Window->pti, Window);
UserDereferenceObject(Window);
IntClipboardFreeWindow(Window);
return 0;
}
VOID FASTCALL
IntGetWindowBorderMeasures(PWINDOW_OBJECT Window, UINT *cx, UINT *cy)
{
PWND Wnd = Window->Wnd;
if(HAS_DLGFRAME(Wnd->style, Wnd->ExStyle) && !(Wnd->style & WS_MINIMIZE))
{
*cx = UserGetSystemMetrics(SM_CXDLGFRAME);
*cy = UserGetSystemMetrics(SM_CYDLGFRAME);
}
else
{
if(HAS_THICKFRAME(Wnd->style, Wnd->ExStyle)&& !(Wnd->style & WS_MINIMIZE))
{
*cx = UserGetSystemMetrics(SM_CXFRAME);
*cy = UserGetSystemMetrics(SM_CYFRAME);
}
else if(HAS_THINFRAME(Wnd->style, Wnd->ExStyle))
{
*cx = UserGetSystemMetrics(SM_CXBORDER);
*cy = UserGetSystemMetrics(SM_CYBORDER);
}
else
{
*cx = *cy = 0;
}
}
}
//
// Same as User32:IntGetWndProc.
//
WNDPROC FASTCALL
IntGetWindowProc(PWND pWnd,
BOOL Ansi)
{
INT i;
PCLS Class;
WNDPROC gcpd, Ret = 0;
ASSERT(UserIsEnteredExclusive() == TRUE);
Class = pWnd->pcls;
if (pWnd->state & WNDS_SERVERSIDEWINDOWPROC)
{
for ( i = FNID_FIRST; i <= FNID_SWITCH; i++)
{
if (GETPFNSERVER(i) == pWnd->lpfnWndProc)
{
if (Ansi)
Ret = GETPFNCLIENTA(i);
else
Ret = GETPFNCLIENTW(i);
}
}
return Ret;
}
if (Class->fnid == FNID_EDIT)
Ret = pWnd->lpfnWndProc;
else
{
Ret = pWnd->lpfnWndProc;
if (Class->fnid <= FNID_GHOST && Class->fnid >= FNID_BUTTON)
{
if (Ansi)
{
if (GETPFNCLIENTW(Class->fnid) == pWnd->lpfnWndProc)
Ret = GETPFNCLIENTA(Class->fnid);
}
else
{
if (GETPFNCLIENTA(Class->fnid) == pWnd->lpfnWndProc)
Ret = GETPFNCLIENTW(Class->fnid);
}
}
if ( Ret != pWnd->lpfnWndProc)
return Ret;
}
if ( Ansi == !!(pWnd->state & WNDS_ANSIWINDOWPROC) )
return Ret;
gcpd = (WNDPROC)UserGetCPD(
pWnd,
(Ansi ? UserGetCPDA2U : UserGetCPDU2A )|UserGetCPDWindow,
(ULONG_PTR)Ret);
return (gcpd ? gcpd : Ret);
}
static WNDPROC
IntSetWindowProc(PWND pWnd,
WNDPROC NewWndProc,
BOOL Ansi)
{
INT i;
PCALLPROCDATA CallProc;
PCLS Class;
WNDPROC Ret, chWndProc = NULL;
// Retrieve previous window proc.
Ret = IntGetWindowProc(pWnd, Ansi);
Class = pWnd->pcls;
if (IsCallProcHandle(NewWndProc))
{
CallProc = UserGetObject(gHandleTable, NewWndProc, otCallProc);
if (CallProc)
{ // Reset new WndProc.
NewWndProc = CallProc->pfnClientPrevious;
// Reset Ansi from CallProc handle. This is expected with wine "deftest".
Ansi = !!(CallProc->wType & UserGetCPDU2A);
}
}
// Switch from Client Side call to Server Side call if match. Ref: "deftest".
for ( i = FNID_FIRST; i <= FNID_SWITCH; i++)
{
if (GETPFNCLIENTW(i) == NewWndProc)
{
chWndProc = GETPFNSERVER(i);
break;
}
if (GETPFNCLIENTA(i) == NewWndProc)
{
chWndProc = GETPFNSERVER(i);
break;
}
}
// If match, set/reset to Server Side and clear ansi.
if (chWndProc)
{
pWnd->lpfnWndProc = chWndProc;
pWnd->Unicode = TRUE;
pWnd->state &= ~WNDS_ANSIWINDOWPROC;
pWnd->state |= WNDS_SERVERSIDEWINDOWPROC;
}
else
{
pWnd->Unicode = !Ansi;
// Handle the state change in here.
if (Ansi)
pWnd->state |= WNDS_ANSIWINDOWPROC;
else
pWnd->state &= ~WNDS_ANSIWINDOWPROC;
if (pWnd->state & WNDS_SERVERSIDEWINDOWPROC)
pWnd->state &= ~WNDS_SERVERSIDEWINDOWPROC;
if (!NewWndProc) NewWndProc = pWnd->lpfnWndProc;
if (Class->fnid <= FNID_GHOST && Class->fnid >= FNID_BUTTON)
{
if (Ansi)
{
if (GETPFNCLIENTW(Class->fnid) == NewWndProc)
chWndProc = GETPFNCLIENTA(Class->fnid);
}
else
{
if (GETPFNCLIENTA(Class->fnid) == NewWndProc)
chWndProc = GETPFNCLIENTW(Class->fnid);
}
}
// Now set the new window proc.
pWnd->lpfnWndProc = (chWndProc ? chWndProc : NewWndProc);
}
return Ret;
}
// Move this to user space!
BOOL FASTCALL
IntGetWindowInfo(PWINDOW_OBJECT Window, PWINDOWINFO pwi)
{
PWND Wnd = Window->Wnd;
pwi->cbSize = sizeof(WINDOWINFO);
pwi->rcWindow = Window->Wnd->rcWindow;
pwi->rcClient = Window->Wnd->rcClient;
pwi->dwStyle = Wnd->style;
pwi->dwExStyle = Wnd->ExStyle;
pwi->dwWindowStatus = (UserGetForegroundWindow() == Window->hSelf); /* WS_ACTIVECAPTION */
IntGetWindowBorderMeasures(Window, &pwi->cxWindowBorders, &pwi->cyWindowBorders);
pwi->atomWindowType = (Wnd->pcls ? Wnd->pcls->atomClassName : 0);
pwi->wCreatorVersion = 0x400; /* FIXME - return a real version number */
return TRUE;
}
static BOOL FASTCALL
IntSetMenu(
PWINDOW_OBJECT Window,
HMENU Menu,
BOOL *Changed)
{
PMENU_OBJECT OldMenu, NewMenu = NULL;
PWND Wnd = Window->Wnd;
if ((Wnd->style & (WS_CHILD | WS_POPUP)) == WS_CHILD)
{
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
return FALSE;
}
*Changed = (Wnd->IDMenu != (UINT) Menu);
if (! *Changed)
{
return TRUE;
}
if (Wnd->IDMenu)
{
OldMenu = IntGetMenuObject((HMENU) Wnd->IDMenu);
ASSERT(NULL == OldMenu || OldMenu->MenuInfo.Wnd == Window->hSelf);
}
else
{
OldMenu = NULL;
}
if (NULL != Menu)
{
NewMenu = IntGetMenuObject(Menu);
if (NULL == NewMenu)
{
if (NULL != OldMenu)
{
IntReleaseMenuObject(OldMenu);
}
SetLastWin32Error(ERROR_INVALID_MENU_HANDLE);
return FALSE;
}
if (NULL != NewMenu->MenuInfo.Wnd)
{
/* Can't use the same menu for two windows */
if (NULL != OldMenu)
{
IntReleaseMenuObject(OldMenu);
}
SetLastWin32Error(ERROR_INVALID_MENU_HANDLE);
return FALSE;
}
}
Wnd->IDMenu = (UINT) Menu;
if (NULL != NewMenu)
{
NewMenu->MenuInfo.Wnd = Window->hSelf;
IntReleaseMenuObject(NewMenu);
}
if (NULL != OldMenu)
{
OldMenu->MenuInfo.Wnd = NULL;
IntReleaseMenuObject(OldMenu);
}
return TRUE;
}
/* INTERNAL ******************************************************************/
VOID FASTCALL
co_DestroyThreadWindows(struct _ETHREAD *Thread)
{
PTHREADINFO WThread;
PLIST_ENTRY Current;
PWINDOW_OBJECT Wnd;
USER_REFERENCE_ENTRY Ref;
WThread = (PTHREADINFO)Thread->Tcb.Win32Thread;
while (!IsListEmpty(&WThread->WindowListHead))
{
Current = WThread->WindowListHead.Flink;
Wnd = CONTAINING_RECORD(Current, WINDOW_OBJECT, ThreadListEntry);
DPRINT("thread cleanup: while destroy wnds, wnd=0x%x\n",Wnd);
/* window removes itself from the list */
/*
fixme: it is critical that the window removes itself! if now, we will loop
here forever...
*/
//ASSERT(co_UserDestroyWindow(Wnd));
UserRefObjectCo(Wnd, &Ref);//faxme: temp hack??
if (!co_UserDestroyWindow(Wnd))
{
DPRINT1("Unable to destroy window 0x%x at thread cleanup... This is _VERY_ bad!\n", Wnd);
}
UserDerefObjectCo(Wnd);//faxme: temp hack??
}
}
/*!
* Internal function.
* Returns client window rectangle relative to the upper-left corner of client area.
*
* \note Does not check the validity of the parameters
*/
VOID FASTCALL
IntGetClientRect(PWINDOW_OBJECT Window, RECTL *Rect)
{
ASSERT( Window );
ASSERT( Rect );
Rect->left = Rect->top = 0;
Rect->right = Window->Wnd->rcClient.right - Window->Wnd->rcClient.left;
Rect->bottom = Window->Wnd->rcClient.bottom - Window->Wnd->rcClient.top;
}
#if 0
HWND FASTCALL
IntGetFocusWindow(VOID)
{
PUSER_MESSAGE_QUEUE Queue;
PDESKTOP pdo = IntGetActiveDesktop();
if( !pdo )
return NULL;
Queue = (PUSER_MESSAGE_QUEUE)pdo->ActiveMessageQueue;
if (Queue == NULL)
return(NULL);
else
return(Queue->FocusWindow);
}
#endif
PMENU_OBJECT FASTCALL
IntGetSystemMenu(PWINDOW_OBJECT Window, BOOL bRevert, BOOL RetMenu)
{
PMENU_OBJECT Menu, NewMenu = NULL, SysMenu = NULL, ret = NULL;
PTHREADINFO W32Thread;
HMENU hNewMenu, hSysMenu;
ROSMENUITEMINFO ItemInfo;
if(bRevert)
{
W32Thread = PsGetCurrentThreadWin32Thread();
if(!W32Thread->rpdesk)
return NULL;
if(Window->SystemMenu)
{
Menu = UserGetMenuObject(Window->SystemMenu);
if(Menu)
{
IntDestroyMenuObject(Menu, TRUE, TRUE);
Window->SystemMenu = (HMENU)0;
}
}
if(W32Thread->rpdesk->rpwinstaParent->SystemMenuTemplate)
{
/* clone system menu */
Menu = UserGetMenuObject(W32Thread->rpdesk->rpwinstaParent->SystemMenuTemplate);
if(!Menu)
return NULL;
NewMenu = IntCloneMenu(Menu);
if(NewMenu)
{
Window->SystemMenu = NewMenu->MenuInfo.Self;
NewMenu->MenuInfo.Flags |= MF_SYSMENU;
NewMenu->MenuInfo.Wnd = Window->hSelf;
ret = NewMenu;
//IntReleaseMenuObject(NewMenu);
}
}
else
{
hSysMenu = UserCreateMenu(FALSE);
if (NULL == hSysMenu)
{
return NULL;
}
SysMenu = IntGetMenuObject(hSysMenu);
if (NULL == SysMenu)
{
UserDestroyMenu(hSysMenu);
return NULL;
}
SysMenu->MenuInfo.Flags |= MF_SYSMENU;
SysMenu->MenuInfo.Wnd = Window->hSelf;
hNewMenu = co_IntLoadSysMenuTemplate();
if(!hNewMenu)
{
IntReleaseMenuObject(SysMenu);
UserDestroyMenu(hSysMenu);
return NULL;
}
Menu = IntGetMenuObject(hNewMenu);
if(!Menu)
{
IntReleaseMenuObject(SysMenu);
UserDestroyMenu(hSysMenu);
return NULL;
}
NewMenu = IntCloneMenu(Menu);
if(NewMenu)
{
NewMenu->MenuInfo.Flags |= MF_SYSMENU | MF_POPUP;
IntReleaseMenuObject(NewMenu);
UserSetMenuDefaultItem(NewMenu, SC_CLOSE, FALSE);
ItemInfo.cbSize = sizeof(MENUITEMINFOW);
ItemInfo.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_SUBMENU;
ItemInfo.fType = MF_POPUP;
ItemInfo.fState = MFS_ENABLED;
ItemInfo.dwTypeData = NULL;
ItemInfo.cch = 0;
ItemInfo.hSubMenu = NewMenu->MenuInfo.Self;
IntInsertMenuItem(SysMenu, (UINT) -1, TRUE, &ItemInfo);
Window->SystemMenu = SysMenu->MenuInfo.Self;
ret = SysMenu;
}
IntDestroyMenuObject(Menu, FALSE, TRUE);
}
if(RetMenu)
return ret;
else
return NULL;
}
else
{
if(Window->SystemMenu)
return IntGetMenuObject((HMENU)Window->SystemMenu);
else
return NULL;
}
}
BOOL FASTCALL
IntIsChildWindow(PWINDOW_OBJECT Parent, PWINDOW_OBJECT BaseWindow)
{
PWINDOW_OBJECT Window;
PWND Wnd;
Window = BaseWindow;
while (Window)
{
Wnd = Window->Wnd;
if (Window == Parent)
{
return(TRUE);
}
if(!(Wnd->style & WS_CHILD))
{
break;
}
Window = Window->spwndParent;
}
return(FALSE);
}
BOOL FASTCALL
IntIsWindowVisible(PWINDOW_OBJECT BaseWindow)
{
PWINDOW_OBJECT Window;
PWND Wnd;
Window = BaseWindow;
while(Window)
{
Wnd = Window->Wnd;
if(!(Wnd->style & WS_CHILD))
{
break;
}
if(!(Wnd->style & WS_VISIBLE))
{
return FALSE;
}
Window = Window->spwndParent;
}
if(Window && Wnd->style & WS_VISIBLE)
{
return TRUE;
}
return FALSE;
}
VOID FASTCALL
IntLinkWnd(
PWND Wnd,
PWND WndParent,
PWND WndPrevSibling) /* set to NULL if top sibling */
{
Wnd->spwndParent = WndParent;
if ((Wnd->spwndPrev = WndPrevSibling))
{
/* link after WndPrevSibling */
if ((Wnd->spwndNext = WndPrevSibling->spwndNext))
Wnd->spwndNext->spwndPrev = Wnd;
Wnd->spwndPrev->spwndNext = Wnd;
}
else
{
/* link at top */
if ((Wnd->spwndNext = WndParent->spwndChild))
Wnd->spwndNext->spwndPrev = Wnd;
WndParent->spwndChild = Wnd;
}
}
/* link the window into siblings and parent. children are kept in place. */
VOID FASTCALL
IntLinkWindow(
PWINDOW_OBJECT Wnd,
PWINDOW_OBJECT WndParent,
PWINDOW_OBJECT WndPrevSibling /* set to NULL if top sibling */
)
{
PWINDOW_OBJECT Parent;
IntLinkWnd(Wnd->Wnd,
WndParent->Wnd,
WndPrevSibling ? WndPrevSibling->Wnd : NULL);
Wnd->spwndParent = WndParent;
if ((Wnd->spwndPrev = WndPrevSibling))
{
/* link after WndPrevSibling */
if ((Wnd->spwndNext = WndPrevSibling->spwndNext))
Wnd->spwndNext->spwndPrev = Wnd;
Wnd->spwndPrev->spwndNext = Wnd;
}
else
{
/* link at top */
Parent = Wnd->spwndParent;
if ((Wnd->spwndNext = WndParent->spwndChild))
Wnd->spwndNext->spwndPrev = Wnd;
else if (Parent)
{
Parent->spwndChild = Wnd;
return;
}
if(Parent)
{
Parent->spwndChild = Wnd;
}
}
}
HWND FASTCALL
IntSetOwner(HWND hWnd, HWND hWndNewOwner)
{
PWINDOW_OBJECT Wnd, WndOldOwner, WndNewOwner;
HWND ret;
Wnd = IntGetWindowObject(hWnd);
if(!Wnd)
return NULL;
WndOldOwner = Wnd->spwndOwner;
ret = WndOldOwner ? WndOldOwner->hSelf : 0;
if((WndNewOwner = UserGetWindowObject(hWndNewOwner)))
{
Wnd->spwndOwner= WndNewOwner;
Wnd->Wnd->spwndOwner = WndNewOwner->Wnd;
}
else
{
Wnd->spwndOwner = NULL;
Wnd->Wnd->spwndOwner = NULL;
}
UserDereferenceObject(Wnd);
return ret;
}
PWINDOW_OBJECT FASTCALL
co_IntSetParent(PWINDOW_OBJECT Wnd, PWINDOW_OBJECT WndNewParent)
{
PWINDOW_OBJECT WndOldParent, Sibling, InsertAfter;
// HWND hWnd, hWndNewParent;
BOOL WasVisible;
ASSERT(Wnd);
ASSERT(WndNewParent);
ASSERT_REFS_CO(Wnd);
ASSERT_REFS_CO(WndNewParent);
// hWnd = Wnd->hSelf;
// hWndNewParent = WndNewParent->hSelf;
/* Some applications try to set a child as a parent */
if (IntIsChildWindow(Wnd, WndNewParent))
{
SetLastWin32Error( ERROR_INVALID_PARAMETER );
return NULL;
}
/*
* Windows hides the window first, then shows it again
* including the WM_SHOWWINDOW messages and all
*/
WasVisible = co_WinPosShowWindow(Wnd, SW_HIDE);
// /* Validate that window and parent still exist */
// if (!IntIsWindow(hWnd) || !IntIsWindow(hWndNewParent))
// return NULL;
/* Window must belong to current process */
if (Wnd->pti->pEThread->ThreadsProcess != PsGetCurrentProcess())
return NULL;
WndOldParent = Wnd->spwndParent;
if (WndOldParent) UserReferenceObject(WndOldParent); /* caller must deref */
if (WndNewParent != WndOldParent)
{
IntUnlinkWindow(Wnd);
InsertAfter = NULL;
if (0 == (Wnd->Wnd->ExStyle & WS_EX_TOPMOST))
{
/* Not a TOPMOST window, put after TOPMOSTs of new parent */
Sibling = WndNewParent->spwndChild;
while (NULL != Sibling && 0 != (Sibling->Wnd->ExStyle & WS_EX_TOPMOST))
{
InsertAfter = Sibling;
Sibling = Sibling->spwndNext;
}
}
if (NULL == InsertAfter)
{
IntLinkWindow(Wnd, WndNewParent, InsertAfter /*prev sibling*/);
}
else
{
// UserReferenceObject(InsertAfter);
IntLinkWindow(Wnd, WndNewParent, InsertAfter /*prev sibling*/);
// UserDereferenceObject(InsertAfter);
}
}
/*
* SetParent additionally needs to make hwnd the top window
* in the z-order and send the expected WM_WINDOWPOSCHANGING and
* WM_WINDOWPOSCHANGED notification messages.
*/
co_WinPosSetWindowPos(Wnd, (0 == (Wnd->Wnd->ExStyle & WS_EX_TOPMOST) ? HWND_TOP : HWND_TOPMOST),
0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE
| (WasVisible ? SWP_SHOWWINDOW : 0));
/*
* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
* for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE
*/
/*
* Validate that the old parent still exist, since it migth have been
* destroyed during the last callbacks to user-mode
*/
// if(WndOldParent)
// {
// if(!IntIsWindow(WndOldParent->hSelf))
// {
// UserDereferenceObject(WndOldParent);
// return NULL;
// }
/* don't dereference the window object here, it must be done by the caller
of IntSetParent() */
// return WndOldParent;
// }
return WndOldParent;//NULL;
}
BOOL FASTCALL
IntSetSystemMenu(PWINDOW_OBJECT Window, PMENU_OBJECT Menu)
{
PMENU_OBJECT OldMenu;
if(Window->SystemMenu)
{
OldMenu = IntGetMenuObject(Window->SystemMenu);
if(OldMenu)
{
OldMenu->MenuInfo.Flags &= ~ MF_SYSMENU;
IntReleaseMenuObject(OldMenu);
}
}
if(Menu)
{
/* FIXME check window style, propably return FALSE ? */
Window->SystemMenu = Menu->MenuInfo.Self;
Menu->MenuInfo.Flags |= MF_SYSMENU;
}
else
Window->SystemMenu = (HMENU)0;
return TRUE;
}
/* unlink the window from siblings and parent. children are kept in place. */
VOID FASTCALL
IntUnlinkWnd(PWND Wnd)
{
if (Wnd->spwndNext)
Wnd->spwndNext->spwndPrev = Wnd->spwndPrev;
if (Wnd->spwndPrev)
Wnd->spwndPrev->spwndNext = Wnd->spwndNext;
if (Wnd->spwndParent && Wnd->spwndParent->spwndChild == Wnd)
Wnd->spwndParent->spwndChild = Wnd->spwndNext;
Wnd->spwndPrev = Wnd->spwndNext = Wnd->spwndParent = NULL;
}
/* unlink the window from siblings and parent. children are kept in place. */
VOID FASTCALL
IntUnlinkWindow(PWINDOW_OBJECT Wnd)
{
PWINDOW_OBJECT WndParent = Wnd->spwndParent;
IntUnlinkWnd(Wnd->Wnd);
if (Wnd->spwndNext)
Wnd->spwndNext->spwndPrev = Wnd->spwndPrev;
if (Wnd->spwndPrev)
Wnd->spwndPrev->spwndNext = Wnd->spwndNext;
else if (WndParent && WndParent->spwndChild == Wnd)
WndParent->spwndChild = Wnd->spwndNext;
Wnd->spwndPrev = Wnd->spwndNext = Wnd->spwndParent = NULL;
}
BOOL FASTCALL
IntIsWindowInDestroy(PWINDOW_OBJECT Window)
{
return ((Window->state & WINDOWSTATUS_DESTROYING) == WINDOWSTATUS_DESTROYING);
}
BOOL
FASTCALL
IntGetWindowPlacement(PWINDOW_OBJECT Window, WINDOWPLACEMENT *lpwndpl)
{
PWND Wnd;
POINT Size;
Wnd = Window->Wnd;
if (!Wnd) return FALSE;
if(lpwndpl->length != sizeof(WINDOWPLACEMENT))
{
return FALSE;
}
lpwndpl->flags = 0;
if (0 == (Wnd->style & WS_VISIBLE))
{
lpwndpl->showCmd = SW_HIDE;
}
else if (0 != (Window->state & WINDOWOBJECT_RESTOREMAX) ||
0 != (Wnd->style & WS_MAXIMIZE))
{
lpwndpl->showCmd = SW_MAXIMIZE;
}
else if (0 != (Wnd->style & WS_MINIMIZE))
{
lpwndpl->showCmd = SW_MINIMIZE;
}
else if (0 != (Wnd->style & WS_VISIBLE))
{
lpwndpl->showCmd = SW_SHOWNORMAL;
}
Size.x = Wnd->rcWindow.left;
Size.y = Wnd->rcWindow.top;
WinPosInitInternalPos(Window, &Size,
&Wnd->rcWindow);
lpwndpl->rcNormalPosition = Wnd->InternalPos.NormalRect;
lpwndpl->ptMinPosition = Wnd->InternalPos.IconPos;
lpwndpl->ptMaxPosition = Wnd->InternalPos.MaxPos;
return TRUE;
}
/* FUNCTIONS *****************************************************************/
/*
* @unimplemented
*/
DWORD APIENTRY
NtUserAlterWindowStyle(DWORD Unknown0,
DWORD Unknown1,
DWORD Unknown2)
{
UNIMPLEMENTED
return(0);
}
/*
* As best as I can figure, this function is used by EnumWindows,
* EnumChildWindows, EnumDesktopWindows, & EnumThreadWindows.
*
* It's supposed to build a list of HWNDs to return to the caller.
* We can figure out what kind of list by what parameters are
* passed to us.
*/
/*
* @implemented
*/
NTSTATUS
APIENTRY
NtUserBuildHwndList(
HDESK hDesktop,
HWND hwndParent,
BOOLEAN bChildren,
ULONG dwThreadId,
ULONG lParam,
HWND* pWnd,
ULONG* pBufSize)
{
NTSTATUS Status;
ULONG dwCount = 0;
if (pBufSize == 0)
return ERROR_INVALID_PARAMETER;
if (hwndParent || !dwThreadId)
{
PDESKTOP Desktop;
PWINDOW_OBJECT Parent, Window;
if(!hwndParent)
{
if(hDesktop == NULL && !(Desktop = IntGetActiveDesktop()))
{
return ERROR_INVALID_HANDLE;
}
if(hDesktop)
{
Status = IntValidateDesktopHandle(hDesktop,
UserMode,
0,
&Desktop);
if(!NT_SUCCESS(Status))
{
return ERROR_INVALID_HANDLE;
}
}
hwndParent = Desktop->DesktopWindow;
}
else
{
hDesktop = 0;
}
if((Parent = UserGetWindowObject(hwndParent)) &&
(Window = Parent->spwndChild))
{
BOOL bGoDown = TRUE;
Status = STATUS_SUCCESS;
while(TRUE)
{
if (bGoDown)
{
if(dwCount++ < *pBufSize && pWnd)
{
_SEH2_TRY
{
ProbeForWrite(pWnd, sizeof(HWND), 1);
*pWnd = Window->hSelf;
pWnd++;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Status = _SEH2_GetExceptionCode();
}
_SEH2_END
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
break;
}
}
if (Window->spwndChild && bChildren)
{
Window = Window->spwndChild;
continue;
}
bGoDown = FALSE;
}
if (Window->spwndNext)
{
Window = Window->spwndNext;
bGoDown = TRUE;
continue;
}
Window = Window->spwndParent;
if (Window == Parent)
{
break;
}
}
}
if(hDesktop)
{
ObDereferenceObject(Desktop);
}
}
else
{
PETHREAD Thread;
PTHREADINFO W32Thread;
PLIST_ENTRY Current;
PWINDOW_OBJECT Window;
Status = PsLookupThreadByThreadId((HANDLE)dwThreadId, &Thread);
if(!NT_SUCCESS(Status))
{
return ERROR_INVALID_PARAMETER;
}
if(!(W32Thread = (PTHREADINFO)Thread->Tcb.Win32Thread))
{
ObDereferenceObject(Thread);
DPRINT("Thread is not a GUI Thread!\n");
return ERROR_INVALID_PARAMETER;
}
Current = W32Thread->WindowListHead.Flink;
while(Current != &(W32Thread->WindowListHead))
{
Window = CONTAINING_RECORD(Current, WINDOW_OBJECT, ThreadListEntry);
ASSERT(Window);
if(bChildren || Window->spwndOwner != NULL)
{
if(dwCount < *pBufSize && pWnd)
{
Status = MmCopyToCaller(pWnd++, &Window->hSelf, sizeof(HWND));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
break;
}
}
dwCount++;
}
Current = Current->Flink;
}
ObDereferenceObject(Thread);
}
*pBufSize = dwCount;
return STATUS_SUCCESS;
}
/*
* @implemented
*/
HWND APIENTRY
NtUserChildWindowFromPointEx(HWND hwndParent,
LONG x,
LONG y,
UINT uiFlags)
{
PWINDOW_OBJECT Parent;
POINTL Pt;
HWND Ret;
HWND *List, *phWnd;
if(!(Parent = UserGetWindowObject(hwndParent)))
{
return NULL;
}
Pt.x = x;
Pt.y = y;
if(Parent->hSelf != IntGetDesktopWindow())
{
Pt.x += Parent->Wnd->rcClient.left;
Pt.y += Parent->Wnd->rcClient.top;
}
if(!IntPtInWindow(Parent, Pt.x, Pt.y))
{
return NULL;
}
Ret = Parent->hSelf;
if((List = IntWinListChildren(Parent)))
{
for(phWnd = List; *phWnd; phWnd++)
{
PWINDOW_OBJECT Child;
PWND ChildWnd;
if((Child = UserGetWindowObject(*phWnd)))
{
ChildWnd = Child->Wnd;
if(!(ChildWnd->style & WS_VISIBLE) && (uiFlags & CWP_SKIPINVISIBLE))
{
continue;
}
if((ChildWnd->style & WS_DISABLED) && (uiFlags & CWP_SKIPDISABLED))
{
continue;
}
if((ChildWnd->ExStyle & WS_EX_TRANSPARENT) && (uiFlags & CWP_SKIPTRANSPARENT))
{
continue;
}
if(IntPtInWindow(Child, Pt.x, Pt.y))
{
Ret = Child->hSelf;
break;
}
}
}
ExFreePool(List);
}
return Ret;
}
void FASTCALL
IntFixWindowCoordinates(CREATESTRUCTW* Cs, PWINDOW_OBJECT ParentWindow, DWORD* dwShowMode)
{
#define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == (SHORT)0x8000)
/* default positioning for overlapped windows */
if(!(Cs->style & (WS_POPUP | WS_CHILD)))
{
RECTL rc, WorkArea;
PRTL_USER_PROCESS_PARAMETERS ProcessParams;
UserSystemParametersInfo(SPI_GETWORKAREA, 0, &WorkArea, 0);
rc = WorkArea;
ProcessParams = PsGetCurrentProcess()->Peb->ProcessParameters;
if (IS_DEFAULT(Cs->x))
{
if (!IS_DEFAULT(Cs->y)) *dwShowMode = Cs->y;
if(ProcessParams->WindowFlags & STARTF_USEPOSITION)
{
Cs->x = ProcessParams->StartingX;
Cs->y = ProcessParams->StartingY;
}
else
{
Cs->x = WorkArea.left;
Cs->y = WorkArea.top;
}
}
if (IS_DEFAULT(Cs->cx))
{
if (ProcessParams->WindowFlags & STARTF_USEPOSITION)
{
Cs->cx = ProcessParams->CountX;
Cs->cy = ProcessParams->CountY;
}
else
{
Cs->cx = (WorkArea.right - WorkArea.left) * 3 / 4 - Cs->x;
Cs->cy = (WorkArea.bottom - WorkArea.top) * 3 / 4 - Cs->y;
}
}
/* neither x nor cx are default. Check the y values .
* In the trace we see Outlook and Outlook Express using
* cy set to CW_USEDEFAULT when opening the address book.
*/
else if (IS_DEFAULT(Cs->cy))
{
DPRINT("Strange use of CW_USEDEFAULT in nHeight\n");
Cs->cy = (WorkArea.bottom - WorkArea.top) * 3 / 4 - Cs->y;
}
}
else
{
/* if CW_USEDEFAULT is set for non-overlapped windows, both values are set to zero */
if(IS_DEFAULT(Cs->x))
{
Cs->x = 0;
Cs->y = 0;
}
if(IS_DEFAULT(Cs->cx))
{
Cs->cx = 0;
Cs->cy = 0;
}
}
#undef IS_DEFAULT
}
/* Allocates and initializes a window*/
PWINDOW_OBJECT FASTCALL IntCreateWindow(CREATESTRUCTW* Cs,
PLARGE_STRING WindowName,
PCLS Class,
PWINDOW_OBJECT ParentWindow,
PWINDOW_OBJECT OwnerWindow)
{
PWND Wnd = NULL;
PWINDOW_OBJECT Window;
HWND hWnd;
PTHREADINFO pti = NULL;
PMENU_OBJECT SystemMenu;
BOOL MenuChanged;
BOOL bUnicodeWindow;
pti = PsGetCurrentThreadWin32Thread();
/* Automatically add WS_EX_WINDOWEDGE */
if ((Cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
((!(Cs->dwExStyle & WS_EX_STATICEDGE)) &&
(Cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
Cs->dwExStyle |= WS_EX_WINDOWEDGE;
else
Cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
/* Is it a unicode window? */
bUnicodeWindow =!(Cs->dwExStyle & WS_EX_SETANSICREATOR);
Cs->dwExStyle &= ~WS_EX_SETANSICREATOR;
/* Allocate the new window */
Window = (PWINDOW_OBJECT) UserCreateObject( gHandleTable,
pti->rpdesk,
(PHANDLE)&hWnd,
otWindow,
sizeof(WINDOW_OBJECT));
Wnd = DesktopHeapAlloc(pti->rpdesk, sizeof(WND) + Class->cbwndExtra);
if(!Window || !Wnd)
{
goto AllocError;
}
RtlZeroMemory(Wnd, sizeof(WND) + Class->cbwndExtra);
DPRINT("Created object with handle %X\n", hWnd);
if (NULL == pti->rpdesk->DesktopWindow)
{
/* If there is no desktop window yet, we must be creating it */
pti->rpdesk->DesktopWindow = hWnd;
pti->rpdesk->pDeskInfo->spwnd = Wnd;
}
/*
* Fill out the structure describing it.
*/
Window->Wnd = Wnd;
Window->pti = pti;
Window->hSelf = hWnd;
Window->spwndParent = ParentWindow;
Window->spwndOwner = OwnerWindow;
Wnd->head.h = hWnd;
Wnd->head.pti = pti;
Wnd->head.rpdesk = pti->rpdesk;
Wnd->fnid = 0;
Wnd->hWndLastActive = hWnd;
Wnd->state2 |= WNDS2_WIN40COMPAT;
Wnd->pcls = Class;
Wnd->hModule = Cs->hInstance;
Wnd->style = Cs->style & ~WS_VISIBLE;
Wnd->ExStyle = Cs->dwExStyle;
Wnd->cbwndExtra = Wnd->pcls->cbwndExtra;
Wnd->spwndOwner = OwnerWindow ? OwnerWindow->Wnd : NULL;
Wnd->spwndParent = ParentWindow ? ParentWindow->Wnd : NULL;
IntReferenceMessageQueue(Window->pti->MessageQueue);
if (Wnd->spwndParent != NULL && Cs->hwndParent != 0)
{
Wnd->HideFocus = Wnd->spwndParent->HideFocus;
Wnd->HideAccel = Wnd->spwndParent->HideAccel;
}
if (Wnd->pcls->CSF_flags & CSF_SERVERSIDEPROC)
Wnd->state |= WNDS_SERVERSIDEWINDOWPROC;
/* BugBoy Comments: Comment below say that System classes are always created
as UNICODE. In windows, creating a window with the ANSI version of CreateWindow
sets the window to ansi as verified by testing with IsUnicodeWindow API.
No where can I see in code or through testing does the window change back
to ANSI after being created as UNICODE in ROS. I didnt do more testing to
see what problems this would cause.*/
// Set WndProc from Class.
Wnd->lpfnWndProc = Wnd->pcls->lpfnWndProc;
// GetWindowProc, test for non server side default classes and set WndProc.
if ( Wnd->pcls->fnid <= FNID_GHOST && Wnd->pcls->fnid >= FNID_BUTTON )
{
if (bUnicodeWindow)
{
if (GETPFNCLIENTA(Wnd->pcls->fnid) == Wnd->lpfnWndProc)
Wnd->lpfnWndProc = GETPFNCLIENTW(Wnd->pcls->fnid);
}
else
{
if (GETPFNCLIENTW(Wnd->pcls->fnid) == Wnd->lpfnWndProc)
Wnd->lpfnWndProc = GETPFNCLIENTA(Wnd->pcls->fnid);
}
}
// If not an Unicode caller, set Ansi creator bit.
if (!bUnicodeWindow) Wnd->state |= WNDS_ANSICREATOR;
// Clone Class Ansi/Unicode proc type.
if (Wnd->pcls->CSF_flags & CSF_ANSIPROC)
{
Wnd->state |= WNDS_ANSIWINDOWPROC;
Wnd->Unicode = FALSE;
}
else
{ /*
It seems there can be both an Ansi creator and Unicode Class Window
WndProc, unless the following overriding conditions occur:
*/
if ( !bUnicodeWindow &&
( Class->atomClassName == gpsi->atomSysClass[ICLS_BUTTON] ||
Class->atomClassName == gpsi->atomSysClass[ICLS_COMBOBOX] ||
Class->atomClassName == gpsi->atomSysClass[ICLS_COMBOLBOX] ||
Class->atomClassName == gpsi->atomSysClass[ICLS_DIALOG] ||
Class->atomClassName == gpsi->atomSysClass[ICLS_EDIT] ||
Class->atomClassName == gpsi->atomSysClass[ICLS_IME] ||
Class->atomClassName == gpsi->atomSysClass[ICLS_LISTBOX] ||
Class->atomClassName == gpsi->atomSysClass[ICLS_MDICLIENT] ||
Class->atomClassName == gpsi->atomSysClass[ICLS_STATIC] ) )
{ // Override Class and set the window Ansi WndProc.
Wnd->state |= WNDS_ANSIWINDOWPROC;
Wnd->Unicode = FALSE;
}
else
{ // Set the window Unicode WndProc.
Wnd->state &= ~WNDS_ANSIWINDOWPROC;
Wnd->Unicode = TRUE;
}
}
/* BugBoy Comments: if the window being created is a edit control, ATOM 0xCxxx,
then my testing shows that windows (2k and XP) creates a CallProc for it immediately
Dont understand why it does this. */
if (Class->atomClassName == gpsi->atomSysClass[ICLS_EDIT])
{
PCALLPROCDATA CallProc;
//CallProc = CreateCallProc(NULL, Wnd->lpfnWndProc, bUnicodeWindow, Wnd->ti->ppi);
CallProc = CreateCallProc(NULL, Wnd->lpfnWndProc, Wnd->Unicode , Wnd->head.pti->ppi);
if (!CallProc)
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
DPRINT1("Warning: Unable to create CallProc for edit control. Control may not operate correctly! hwnd %x\n",hWnd);
}
else
{
UserAddCallProcToClass(Wnd->pcls, CallProc);
}
}
InitializeListHead(&Wnd->PropListHead);
if ( WindowName->Buffer != NULL && WindowName->Length > 0 )
{
Wnd->strName.Buffer = DesktopHeapAlloc(Wnd->head.rpdesk,
WindowName->Length + sizeof(UNICODE_NULL));
if (Wnd->strName.Buffer == NULL)
{
goto AllocError;
}
RtlCopyMemory(Wnd->strName.Buffer, WindowName->Buffer, WindowName->Length);
Wnd->strName.Buffer[WindowName->Length / sizeof(WCHAR)] = L'\0';
Wnd->strName.Length = WindowName->Length;
}
/* Correct the window style. */
if ((Wnd->style & (WS_CHILD | WS_POPUP)) != WS_CHILD)
{
Wnd->style |= WS_CLIPSIBLINGS;
if (!(Wnd->style & WS_POPUP))
{
Wnd->style |= WS_CAPTION;
Window->state |= WINDOWOBJECT_NEED_SIZE;
}
}
if ((Wnd->ExStyle & WS_EX_DLGMODALFRAME) ||
(Wnd->style & (WS_DLGFRAME | WS_THICKFRAME)))
Wnd->ExStyle |= WS_EX_WINDOWEDGE;
else
Wnd->ExStyle &= ~WS_EX_WINDOWEDGE;
/* create system menu */
if((Cs->style & WS_SYSMENU) )//&& (dwStyle & WS_CAPTION) == WS_CAPTION)
{
SystemMenu = IntGetSystemMenu(Window, TRUE, TRUE);
if(SystemMenu)
{
Window->SystemMenu = SystemMenu->MenuInfo.Self;
IntReleaseMenuObject(SystemMenu);
}
}
/* Set the window menu */
if ((Cs->style & (WS_CHILD | WS_POPUP)) != WS_CHILD)
{
if (Cs->hMenu)
IntSetMenu(Window, Cs->hMenu, &MenuChanged);
else if (Wnd->pcls->lpszMenuName) // Take it from the parent.
{
UNICODE_STRING MenuName;
HMENU hMenu;
if (IS_INTRESOURCE(Wnd->pcls->lpszMenuName))
{
MenuName.Length = 0;
MenuName.MaximumLength = 0;
MenuName.Buffer = Wnd->pcls->lpszMenuName;
}
else
{
RtlInitUnicodeString( &MenuName, Wnd->pcls->lpszMenuName);
}
hMenu = co_IntCallLoadMenu( Wnd->pcls->hModule, &MenuName);
if (hMenu) IntSetMenu(Window, hMenu, &MenuChanged);
}
}
else // Not a child
Wnd->IDMenu = (UINT) Cs->hMenu;
/* Insert the window into the thread's window list. */
InsertTailList (&pti->WindowListHead, &Window->ThreadListEntry);
/* Handle "CS_CLASSDC", it is tested first. */
if ( (Wnd->pcls->style & CS_CLASSDC) && !(Wnd->pcls->pdce) )
{ /* One DCE per class to have CLASS. */
Wnd->pcls->pdce = DceAllocDCE( Window, DCE_CLASS_DC );
}
else if ( Wnd->pcls->style & CS_OWNDC)
{ /* Allocate a DCE for this window. */
DceAllocDCE(Window, DCE_WINDOW_DC);
}
return Window;
AllocError:
if(Window)
UserDereferenceObject(Window);
if(Wnd)
DesktopHeapFree(Wnd->head.rpdesk, Wnd);
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
return NULL;
}
/*
* @implemented
*/
PWND FASTCALL
co_UserCreateWindowEx(CREATESTRUCTW* Cs,
PUNICODE_STRING ClassName,
PLARGE_STRING WindowName)
{
PWINDOW_OBJECT Window = NULL, ParentWindow = NULL, OwnerWindow;
HWND hWnd, hWndParent, hWndOwner;
DWORD dwStyle;
PWINSTATION_OBJECT WinSta;
PWND Wnd = NULL;
PCLS Class = NULL;
SIZE Size;
POINT MaxPos;
CBT_CREATEWNDW CbtCreate;
LRESULT Result;
USER_REFERENCE_ENTRY ParentRef, Ref;
PTHREADINFO pti;
DWORD dwShowMode = SW_SHOW;
DECLARE_RETURN(PWND);
/* Get the current window station and reference it */
pti = GetW32ThreadInfo();
if (pti == NULL || pti->rpdesk == NULL)
{
DPRINT1("Thread is not attached to a desktop! Cannot create window!\n");
return NULL; //There is nothing to cleanup
}
WinSta = pti->rpdesk->rpwinstaParent;
ObReferenceObjectByPointer(WinSta, KernelMode, ExWindowStationObjectType, 0);
/* Get the class and reference it*/
Class = IntGetAndReferenceClass(ClassName, Cs->hInstance);
if(!Class)
{
DPRINT1("Failed to find class %wZ\n", ClassName);
RETURN(NULL);
}
/* Now find the parent and the owner window */
hWndParent = IntGetDesktopWindow();
hWndOwner = NULL;
if (Cs->hwndParent == HWND_MESSAGE)
{
Cs->hwndParent = hWndParent = IntGetMessageWindow();
}
else if (Cs->hwndParent)
{
if ((Cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
hWndOwner = Cs->hwndParent;
else
hWndParent = Cs->hwndParent;
}
else if ((Cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
{
DPRINT1("Cannot create a child window without a parrent!\n");
SetLastWin32Error(ERROR_TLW_WITH_WSCHILD);
RETURN(NULL); /* WS_CHILD needs a parent, but WS_POPUP doesn't */
}
ParentWindow = hWndParent ? UserGetWindowObject(hWndParent): NULL;
OwnerWindow = hWndOwner ? UserGetWindowObject(hWndOwner): NULL;
/* FIXME: is this correct?*/
if(OwnerWindow)
OwnerWindow = UserGetAncestor(OwnerWindow, GA_ROOT);
/* Fix the position and the size of the window */
if (ParentWindow)
{
UserRefObjectCo(ParentWindow, &ParentRef);
IntFixWindowCoordinates(Cs, ParentWindow, &dwShowMode);
}
/* Allocate and initialize the new window */
Window = IntCreateWindow(Cs,
WindowName,
Class,
ParentWindow,
OwnerWindow);
if(!Window)
{
DPRINT1("IntCreateWindow failed!\n");
RETURN(0);
}
Wnd = Window->Wnd;
hWnd = Window->hSelf;
UserRefObjectCo(Window, &Ref);
ObDereferenceObject(WinSta);
/* Call the WH_CBT hook */
dwStyle = Cs->style;
Cs->style = Wnd->style; /* HCBT_CREATEWND needs the real window style */
CbtCreate.lpcs = Cs;
CbtCreate.hwndInsertAfter = HWND_TOP;
if (ISITHOOKED(WH_CBT))
{
if (co_HOOK_CallHooks(WH_CBT, HCBT_CREATEWND, (WPARAM) hWnd, (LPARAM) &CbtCreate))
{
DPRINT1("HCBT_CREATEWND hook failed!\n");
RETURN( (PWND) NULL);
}
}
Cs->style = dwStyle; /* NCCREATE and WM_NCCALCSIZE need the original values*/
/* Send the WM_GETMINMAXINFO message*/
Size.cx = Cs->cx;
Size.cy = Cs->cy;
if ((dwStyle & WS_THICKFRAME) || !(dwStyle & (WS_POPUP | WS_CHILD)))
{
POINT MaxSize, MaxPos, MinTrack, MaxTrack;
co_WinPosGetMinMaxInfo(Window, &MaxSize, &MaxPos, &MinTrack, &MaxTrack);
if (Size.cx > MaxTrack.x) Size.cx = MaxTrack.x;
if (Size.cy > MaxTrack.y) Size.cy = MaxTrack.y;
if (Size.cx < MinTrack.x) Size.cx = MinTrack.x;
if (Size.cy < MinTrack.y) Size.cy = MinTrack.y;
}
Wnd->rcWindow.left = Cs->x;
Wnd->rcWindow.top = Cs->y;
Wnd->rcWindow.right = Cs->x + Size.cx;
Wnd->rcWindow.bottom = Cs->y + Size.cy;
if (0 != (Wnd->style & WS_CHILD) && ParentWindow)
{
RECTL_vOffsetRect(&Wnd->rcWindow,
ParentWindow->Wnd->rcClient.left,
ParentWindow->Wnd->rcClient.top);
}
Wnd->rcClient = Wnd->rcWindow;
/* Link the window*/
if (NULL != ParentWindow)
{
/* link the window into the parent's child list */
if ((dwStyle & (WS_CHILD|WS_MAXIMIZE)) == WS_CHILD)
{
PWINDOW_OBJECT PrevSibling;
PrevSibling = ParentWindow->spwndChild;
if(PrevSibling)
{
while (PrevSibling->spwndNext)
PrevSibling = PrevSibling->spwndNext;
}
/* link window as bottom sibling */
IntLinkWindow(Window, ParentWindow, PrevSibling /*prev sibling*/);
}
else
{
/* link window as top sibling (but after topmost siblings) */
PWINDOW_OBJECT InsertAfter, Sibling;
if (!(Cs->dwExStyle & WS_EX_TOPMOST))
{
InsertAfter = NULL;
Sibling = ParentWindow->spwndChild;
while (Sibling && (Sibling->Wnd->ExStyle & WS_EX_TOPMOST))
{
InsertAfter = Sibling;
Sibling = Sibling->spwndNext;
}
}
else
{
InsertAfter = NULL;
}
IntLinkWindow(Window, ParentWindow, InsertAfter /* prev sibling */);
}
}
/* Send the NCCREATE message */
Result = co_IntSendMessage(Window->hSelf, WM_NCCREATE, 0, (LPARAM) Cs);
if (!Result)
{
DPRINT1("co_UserCreateWindowEx(): NCCREATE message failed\n");
RETURN((PWND)0);
}
/* Send the WM_NCCALCSIZE message */
MaxPos.x = Window->Wnd->rcWindow.left;
MaxPos.y = Window->Wnd->rcWindow.top;
Result = co_WinPosGetNonClientSize(Window, &Wnd->rcWindow, &Wnd->rcClient);
RECTL_vOffsetRect(&Wnd->rcWindow, MaxPos.x - Wnd->rcWindow.left,
MaxPos.y - Wnd->rcWindow.top);
/* Send the WM_CREATE message. */
Result = co_IntSendMessage(Window->hSelf, WM_CREATE, 0, (LPARAM) Cs);
if (Result == (LRESULT)-1)
{
DPRINT1("co_UserCreateWindowEx(): WM_CREATE message failed\n");
IntUnlinkWindow(Window);
RETURN((PWND)0);
}
/* Send the EVENT_OBJECT_CREATE event*/
IntNotifyWinEvent(EVENT_OBJECT_CREATE, Window->Wnd, OBJID_WINDOW, 0);
/* By setting the flag below it can be examined to determine if the window
was created successfully and a valid pwnd was passed back to caller since
from here the function has to succeed. */
Window->Wnd->state2 |= WNDS2_WMCREATEMSGPROCESSED;
/* Send the WM_SIZE and WM_MOVE messages. */
if (!(Window->state & WINDOWOBJECT_NEED_SIZE))
{
co_WinPosSendSizeMove(Window);
}
/* Show or maybe minimize or maximize the window. */
if (Wnd->style & (WS_MINIMIZE | WS_MAXIMIZE))
{
RECTL NewPos;
UINT16 SwFlag;
SwFlag = (Wnd->style & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE;
co_WinPosMinMaximize(Window, SwFlag, &NewPos);
SwFlag = ((Wnd->style & WS_CHILD) || UserGetActiveWindow()) ?
SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED :
SWP_NOZORDER | SWP_FRAMECHANGED;
co_WinPosSetWindowPos(Window, 0, NewPos.left, NewPos.top,
NewPos.right, NewPos.bottom, SwFlag);
}
/* Send the WM_PARENTNOTIFY message */
if ((Wnd->style & WS_CHILD) &&
(!(Wnd->ExStyle & WS_EX_NOPARENTNOTIFY)) && ParentWindow)
{
co_IntSendMessage(ParentWindow->hSelf,
WM_PARENTNOTIFY,
MAKEWPARAM(WM_CREATE, Wnd->IDMenu),
(LPARAM)Window->hSelf);
}
/* Notify the shell that a new window was created */
if ((!hWndParent) && (!hWndOwner))
{
co_IntShellHookNotify(HSHELL_WINDOWCREATED, (LPARAM)hWnd);
}
/* Initialize and show the window's scrollbars */
if (Wnd->style & WS_VSCROLL)
{
co_UserShowScrollBar(Window, SB_VERT, TRUE);
}
if (Wnd->style & WS_HSCROLL)
{
co_UserShowScrollBar(Window, SB_HORZ, TRUE);
}
/* Show the new window */
if (Cs->style & WS_VISIBLE)
{
if (Wnd->style & WS_MAXIMIZE)
dwShowMode = SW_SHOW;
else if (Wnd->style & WS_MINIMIZE)
dwShowMode = SW_SHOWMINIMIZED;
co_WinPosShowWindow(Window, dwShowMode);
if (Wnd->ExStyle & WS_EX_MDICHILD)
{
co_IntSendMessage(ParentWindow->hSelf, WM_MDIREFRESHMENU, 0, 0);
/* ShowWindow won't activate child windows */
co_WinPosSetWindowPos(Window, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE);
}
}
DPRINT("co_UserCreateWindowEx(): Created window %X\n", hWnd);
RETURN( Wnd);
CLEANUP:
if (!_ret_)
{
/* If the window was created, the class will be dereferenced by co_UserDestroyWindow */
if (Window)
co_UserDestroyWindow(Window);
else
IntDereferenceClass(Class, pti->pDeskInfo, pti->ppi);
}
if (Window)
{
UserDerefObjectCo(Window);
UserDereferenceObject(Window);
}
if (ParentWindow) UserDerefObjectCo(ParentWindow);
END_CLEANUP;
}
NTSTATUS
NTAPI
ProbeAndCaptureLargeString(
OUT PLARGE_STRING plstrSafe,
IN PLARGE_STRING plstrUnsafe)
{
LARGE_STRING lstrTemp;
PVOID pvBuffer = NULL;
_SEH2_TRY
{
/* Probe and copy the string */
ProbeForRead(plstrUnsafe, sizeof(LARGE_STRING), sizeof(ULONG));
lstrTemp = *plstrUnsafe;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Fail */
_SEH2_YIELD(return _SEH2_GetExceptionCode();)
}
_SEH2_END
if (lstrTemp.Length != 0)
{
/* Allocate a buffer from paged pool */
pvBuffer = ExAllocatePoolWithTag(PagedPool, lstrTemp.Length, TAG_STRING);
if (!pvBuffer)
{
return STATUS_NO_MEMORY;
}
_SEH2_TRY
{
/* Probe and copy the buffer */
ProbeForRead(lstrTemp.Buffer, lstrTemp.Length, sizeof(WCHAR));
RtlCopyMemory(pvBuffer, lstrTemp.Buffer, lstrTemp.Length);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Cleanup and fail */
ExFreePool(pvBuffer);
_SEH2_YIELD(return _SEH2_GetExceptionCode();)
}
_SEH2_END
}
/* Set the output string */
plstrSafe->Buffer = pvBuffer;
plstrSafe->Length = lstrTemp.Length;
plstrSafe->MaximumLength = lstrTemp.Length;
return STATUS_SUCCESS;
}
/**
* \todo Allow passing plstrClassName as ANSI.
*/
HWND
NTAPI
NtUserCreateWindowEx(
DWORD dwExStyle,
PLARGE_STRING plstrClassName,
PLARGE_STRING plstrClsVersion,
PLARGE_STRING plstrWindowName,
DWORD dwStyle,
int x,
int y,
int nWidth,
int nHeight,
HWND hWndParent,
HMENU hMenu,
HINSTANCE hInstance,
LPVOID lpParam,
DWORD dwFlags,
PVOID acbiBuffer)
{
NTSTATUS Status;
LARGE_STRING lstrWindowName;
LARGE_STRING lstrClassName;
UNICODE_STRING ustrClassName;
CREATESTRUCTW Cs;
HWND hwnd = NULL;
PWND pwnd;
lstrWindowName.Buffer = NULL;
lstrClassName.Buffer = NULL;
/* Check if we got a Window name */
if (plstrWindowName)
{
/* Copy the string to kernel mode */
Status = ProbeAndCaptureLargeString(&lstrWindowName, plstrWindowName);
if (!NT_SUCCESS(Status))
{
DPRINT1("NtUserCreateWindowEx: failed to capture plstrWindowName\n");
SetLastNtError(Status);
return NULL;
}
plstrWindowName = &lstrWindowName;
}
/* Check if the class is an atom */
if (IS_ATOM(plstrClassName))
{
/* It is, pass the atom in the UNICODE_STRING */
ustrClassName.Buffer = (PVOID)plstrClassName;
ustrClassName.Length = 0;
ustrClassName.MaximumLength = 0;
}
else
{
/* It's not, capture the class name */
Status = ProbeAndCaptureLargeString(&lstrClassName, plstrClassName);
if (!NT_SUCCESS(Status))
{
DPRINT1("NtUserCreateWindowEx: failed to capture plstrClassName\n");
/* Set last error, cleanup and return */
SetLastNtError(Status);
goto cleanup;
}
/* We pass it on as a UNICODE_STRING */
ustrClassName.Buffer = lstrClassName.Buffer;
ustrClassName.Length = lstrClassName.Length;
ustrClassName.MaximumLength = lstrClassName.MaximumLength;
}
/* Fill the CREATESTRUCTW */
/* we will keep here the original parameters */
Cs.style = dwStyle;
Cs.lpCreateParams = lpParam;
Cs.hInstance = hInstance;
Cs.hMenu = hMenu;
Cs.hwndParent = hWndParent;
Cs.cx = nWidth;
Cs.cy = nHeight;
Cs.x = x;
Cs.y = y;
// Cs.lpszName = (LPCWSTR) WindowName->Buffer;
// Cs.lpszClass = (LPCWSTR) ClassName->Buffer;
Cs.lpszName = (LPCWSTR) plstrWindowName;
Cs.lpszClass = (LPCWSTR) &ustrClassName;
Cs.dwExStyle = dwExStyle;
UserEnterExclusive();
/* Call the internal function */
pwnd = co_UserCreateWindowEx(&Cs, &ustrClassName, plstrWindowName);
if(!pwnd)
{
DPRINT1("co_UserCreateWindowEx failed!\n");
}
hwnd = pwnd ? UserHMGetHandle(pwnd) : NULL;
UserLeave();
cleanup:
if (lstrWindowName.Buffer)
{
ExFreePoolWithTag(lstrWindowName.Buffer, TAG_STRING);
}
if (lstrClassName.Buffer)
{
ExFreePoolWithTag(lstrClassName.Buffer, TAG_STRING);
}
return hwnd;
}
/*
* @unimplemented
*/
HDWP APIENTRY
NtUserDeferWindowPos(HDWP WinPosInfo,
HWND Wnd,
HWND WndInsertAfter,
int x,
int y,
int cx,
int cy,
UINT Flags)
{
UNIMPLEMENTED
return 0;
}
BOOLEAN FASTCALL co_UserDestroyWindow(PWINDOW_OBJECT Window)
{
BOOLEAN isChild;
PWND Wnd;
HWND hWnd;
PTHREADINFO ti;
MSG msg;
ASSERT_REFS_CO(Window); // FIXME: temp hack?
hWnd = Window->hSelf;
Wnd = Window->Wnd;
if (!Wnd) return TRUE; // FIXME: Need to finish object rewrite or lock the thread when killing the window!
DPRINT("co_UserDestroyWindow \n");
/* Check for owner thread */
if ( (Window->pti->pEThread != PsGetCurrentThread()) ||
Wnd->head.pti != PsGetCurrentThreadWin32Thread() )
{
SetLastWin32Error(ERROR_ACCESS_DENIED);
return FALSE;
}
/* If window was created successfully and it is hooked */
if ((Wnd->state2 & WNDS2_WMCREATEMSGPROCESSED) && (ISITHOOKED(WH_CBT)))
{
if (co_HOOK_CallHooks(WH_CBT, HCBT_DESTROYWND, (WPARAM) hWnd, 0)) return FALSE;
}
/* Look whether the focus is within the tree of windows we will
* be destroying.
*/
if (!co_WinPosShowWindow(Window, SW_HIDE))
{
if (UserGetActiveWindow() == Window->hSelf)
{
co_WinPosActivateOtherWindow(Window);
}
}
if (Window->pti->MessageQueue->ActiveWindow == Window->hSelf)
Window->pti->MessageQueue->ActiveWindow = NULL;
if (Window->pti->MessageQueue->FocusWindow == Window->hSelf)
Window->pti->MessageQueue->FocusWindow = NULL;
if (Window->pti->MessageQueue->CaptureWindow == Window->hSelf)
Window->pti->MessageQueue->CaptureWindow = NULL;
/*
* Check if this window is the Shell's Desktop Window. If so set hShellWindow to NULL
*/
ti = PsGetCurrentThreadWin32Thread();
if ((ti != NULL) & (ti->pDeskInfo != NULL))
{
if (ti->pDeskInfo->hShellWindow == hWnd)
{
DPRINT1("Destroying the ShellWindow!\n");
ti->pDeskInfo->hShellWindow = NULL;
}
}
IntDereferenceMessageQueue(Window->pti->MessageQueue);
IntEngWindowChanged(Window, WOC_DELETE);
isChild = (0 != (Wnd->style & WS_CHILD));
#if 0 /* FIXME */
if (isChild)
{
if (! USER_IsExitingThread(GetCurrentThreadId()))
{
send_parent_notify(hwnd, WM_DESTROY);
}
}
else if (NULL != GetWindow(Wnd, GW_OWNER))
{
co_HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
/* FIXME: clean up palette - see "Internals" p.352 */
}
#endif
if (!IntIsWindow(Window->hSelf))
{
return TRUE;
}
/* Recursively destroy owned windows */
if (! isChild)
{
for (;;)
{
BOOL GotOne = FALSE;
HWND *Children;
HWND *ChildHandle;
PWINDOW_OBJECT Child, Desktop;
Desktop = IntIsDesktopWindow(Window) ? Window :
UserGetWindowObject(IntGetDesktopWindow());
Children = IntWinListChildren(Desktop);
if (Children)
{
for (ChildHandle = Children; *ChildHandle; ++ChildHandle)
{
Child = UserGetWindowObject(*ChildHandle);
if (Child == NULL)
continue;
if (Child->spwndOwner != Window)
{
continue;
}
if (IntWndBelongsToThread(Child, PsGetCurrentThreadWin32Thread()))
{
USER_REFERENCE_ENTRY ChildRef;
UserRefObjectCo(Child, &ChildRef);//temp hack?
co_UserDestroyWindow(Child);
UserDerefObjectCo(Child);//temp hack?
GotOne = TRUE;
continue;
}
if (Child->spwndOwner != NULL)
{
Child->spwndOwner = NULL;
Child->Wnd->spwndOwner = NULL;
}
}
ExFreePool(Children);
}
if (! GotOne)
{
break;
}
}
}
/* Generate mouse move message for the next window */
msg.message = WM_MOUSEMOVE;
msg.wParam = IntGetSysCursorInfo()->ButtonsDown;
msg.lParam = MAKELPARAM(gpsi->ptCursor.x, gpsi->ptCursor.y);
msg.pt = gpsi->ptCursor;
MsqInsertSystemMessage(&msg);
if (!IntIsWindow(Window->hSelf))
{
return TRUE;
}
/* Destroy the window storage */
co_UserFreeWindow(Window, PsGetCurrentProcessWin32Process(), PsGetCurrentThreadWin32Thread(), TRUE);
return TRUE;
}
/*
* @implemented
*/
BOOLEAN APIENTRY
NtUserDestroyWindow(HWND Wnd)
{
PWINDOW_OBJECT Window;
DECLARE_RETURN(BOOLEAN);
BOOLEAN ret;
USER_REFERENCE_ENTRY Ref;
DPRINT("Enter NtUserDestroyWindow\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(Wnd)))
{
RETURN(FALSE);
}
UserRefObjectCo(Window, &Ref);//faxme: dunno if win should be reffed during destroy..
ret = co_UserDestroyWindow(Window);
UserDerefObjectCo(Window);//faxme: dunno if win should be reffed during destroy..
RETURN(ret);
CLEANUP:
DPRINT("Leave NtUserDestroyWindow, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @unimplemented
*/
DWORD
APIENTRY
NtUserDrawMenuBarTemp(
HWND hWnd,
HDC hDC,
PRECT hRect,
HMENU hMenu,
HFONT hFont)
{
/* we'll use this function just for caching the menu bar */
UNIMPLEMENTED
return 0;
}
/*
* @unimplemented
*/
DWORD APIENTRY
NtUserEndDeferWindowPosEx(DWORD Unknown0,
DWORD Unknown1)
{
UNIMPLEMENTED
return 0;
}
/*
* FillWindow: Called from User; Dialog, Edit and ListBox procs during a WM_ERASEBKGND.
*/
/*
* @unimplemented
*/
BOOL APIENTRY
NtUserFillWindow(HWND hWndPaint,
HWND hWndPaint1,
HDC hDC,
HBRUSH hBrush)
{
UNIMPLEMENTED
return 0;
}
static HWND FASTCALL
IntFindWindow(PWINDOW_OBJECT Parent,
PWINDOW_OBJECT ChildAfter,
RTL_ATOM ClassAtom,
PUNICODE_STRING WindowName)
{
BOOL CheckWindowName;
HWND *List, *phWnd;
HWND Ret = NULL;
UNICODE_STRING CurrentWindowName;
ASSERT(Parent);
CheckWindowName = WindowName->Length != 0;
if((List = IntWinListChildren(Parent)))
{
phWnd = List;
if(ChildAfter)
{
/* skip handles before and including ChildAfter */
while(*phWnd && (*(phWnd++) != ChildAfter->hSelf))
;
}
/* search children */
while(*phWnd)
{
PWINDOW_OBJECT Child;
if(!(Child = UserGetWindowObject(*(phWnd++))))
{
continue;
}
/* Do not send WM_GETTEXT messages in the kernel mode version!
The user mode version however calls GetWindowText() which will
send WM_GETTEXT messages to windows belonging to its processes */
if (!ClassAtom || Child->Wnd->pcls->atomClassName == ClassAtom)
{
// HACK: use UNICODE_STRING instead of LARGE_STRING
CurrentWindowName.Buffer = Child->Wnd->strName.Buffer;
CurrentWindowName.Length = Child->Wnd->strName.Length;
CurrentWindowName.MaximumLength = Child->Wnd->strName.MaximumLength;
if(!CheckWindowName ||
(Child->Wnd->strName.Length < 0xFFFF &&
!RtlCompareUnicodeString(WindowName, &CurrentWindowName, TRUE)))
{
Ret = Child->hSelf;
break;
}
}
}
ExFreePool(List);
}
return Ret;
}
/*
* FUNCTION:
* Searches a window's children for a window with the specified
* class and name
* ARGUMENTS:
* hwndParent = The window whose childs are to be searched.
* NULL = desktop
* HWND_MESSAGE = message-only windows
*
* hwndChildAfter = Search starts after this child window.
* NULL = start from beginning
*
* ucClassName = Class name to search for
* Reguired parameter.
*
* ucWindowName = Window name
* ->Buffer == NULL = don't care
*
* RETURNS:
* The HWND of the window if it was found, otherwise NULL
*/
/*
* @implemented
*/
HWND APIENTRY
NtUserFindWindowEx(HWND hwndParent,
HWND hwndChildAfter,
PUNICODE_STRING ucClassName,
PUNICODE_STRING ucWindowName,
DWORD dwUnknown)
{
PWINDOW_OBJECT Parent, ChildAfter;
UNICODE_STRING ClassName = {0}, WindowName = {0};
HWND Desktop, Ret = NULL;
RTL_ATOM ClassAtom = (RTL_ATOM)0;
DECLARE_RETURN(HWND);
DPRINT("Enter NtUserFindWindowEx\n");
UserEnterShared();
if (ucClassName != NULL || ucWindowName != NULL)
{
_SEH2_TRY
{
if (ucClassName != NULL)
{
ClassName = ProbeForReadUnicodeString(ucClassName);
if (ClassName.Length != 0)
{
ProbeForRead(ClassName.Buffer,
ClassName.Length,
sizeof(WCHAR));
}
else if (!IS_ATOM(ClassName.Buffer))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
_SEH2_LEAVE;
}
if (!IntGetAtomFromStringOrAtom(&ClassName,
&ClassAtom))
{
_SEH2_LEAVE;
}
}
if (ucWindowName != NULL)
{
WindowName = ProbeForReadUnicodeString(ucWindowName);
if (WindowName.Length != 0)
{
ProbeForRead(WindowName.Buffer,
WindowName.Length,
sizeof(WCHAR));
}
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
SetLastNtError(_SEH2_GetExceptionCode());
_SEH2_YIELD(RETURN(NULL));
}
_SEH2_END;
if (ucClassName != NULL)
{
if (ClassName.Length == 0 && ClassName.Buffer != NULL &&
!IS_ATOM(ClassName.Buffer))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
RETURN(NULL);
}
else if (ClassAtom == (RTL_ATOM)0)
{
/* LastError code was set by IntGetAtomFromStringOrAtom */
RETURN(NULL);
}
}
}
Desktop = IntGetCurrentThreadDesktopWindow();
if(hwndParent == NULL)
hwndParent = Desktop;
else if(hwndParent == HWND_MESSAGE)
{
hwndParent = IntGetMessageWindow();
}
if(!(Parent = UserGetWindowObject(hwndParent)))
{
RETURN( NULL);
}
ChildAfter = NULL;
if(hwndChildAfter && !(ChildAfter = UserGetWindowObject(hwndChildAfter)))
{
RETURN( NULL);
}
_SEH2_TRY
{
if(Parent->hSelf == Desktop)
{
HWND *List, *phWnd;
PWINDOW_OBJECT TopLevelWindow;
BOOLEAN CheckWindowName;
BOOLEAN WindowMatches;
BOOLEAN ClassMatches;
/* windows searches through all top-level windows if the parent is the desktop
window */
if((List = IntWinListChildren(Parent)))
{
phWnd = List;
if(ChildAfter)
{
/* skip handles before and including ChildAfter */
while(*phWnd && (*(phWnd++) != ChildAfter->hSelf))
;
}
CheckWindowName = WindowName.Length != 0;
/* search children */
while(*phWnd)
{
UNICODE_STRING ustr;
if(!(TopLevelWindow = UserGetWindowObject(*(phWnd++))))
{
continue;
}
/* Do not send WM_GETTEXT messages in the kernel mode version!
The user mode version however calls GetWindowText() which will
send WM_GETTEXT messages to windows belonging to its processes */
ustr.Buffer = TopLevelWindow->Wnd->strName.Buffer;
ustr.Length = TopLevelWindow->Wnd->strName.Length;
ustr.MaximumLength = TopLevelWindow->Wnd->strName.MaximumLength;
WindowMatches = !CheckWindowName ||
(TopLevelWindow->Wnd->strName.Length < 0xFFFF &&
!RtlCompareUnicodeString(&WindowName, &ustr, TRUE));
ClassMatches = (ClassAtom == (RTL_ATOM)0) ||
ClassAtom == TopLevelWindow->Wnd->pcls->atomClassName;
if (WindowMatches && ClassMatches)
{
Ret = TopLevelWindow->hSelf;
break;
}
if (IntFindWindow(TopLevelWindow, NULL, ClassAtom, &WindowName))
{
/* window returns the handle of the top-level window, in case it found
the child window */
Ret = TopLevelWindow->hSelf;
break;
}
}
ExFreePool(List);
}
}
else
Ret = IntFindWindow(Parent, ChildAfter, ClassAtom, &WindowName);
#if 0
if(Ret == NULL && hwndParent == NULL && hwndChildAfter == NULL)
{
/* FIXME - if both hwndParent and hwndChildAfter are NULL, we also should
search the message-only windows. Should this also be done if
Parent is the desktop window??? */
PWINDOW_OBJECT MsgWindows;
if((MsgWindows = UserGetWindowObject(IntGetMessageWindow())))
{
Ret = IntFindWindow(MsgWindows, ChildAfter, ClassAtom, &WindowName);
}
}
#endif
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
SetLastNtError(_SEH2_GetExceptionCode());
Ret = NULL;
}
_SEH2_END;
RETURN( Ret);
CLEANUP:
DPRINT("Leave NtUserFindWindowEx, ret %i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @unimplemented
*/
BOOL APIENTRY
NtUserFlashWindowEx(IN PFLASHWINFO pfwi)
{
UNIMPLEMENTED
return 0;
}
/*
* @implemented
*/
PWINDOW_OBJECT FASTCALL UserGetAncestor(PWINDOW_OBJECT Wnd, UINT Type)
{
PWINDOW_OBJECT WndAncestor, Parent;
if (Wnd->hSelf == IntGetDesktopWindow())
{
return NULL;
}
switch (Type)
{
case GA_PARENT:
{
WndAncestor = Wnd->spwndParent;
break;
}
case GA_ROOT:
{
WndAncestor = Wnd;
Parent = NULL;
for(;;)
{
if(!(Parent = WndAncestor->spwndParent))
{
break;
}
if(IntIsDesktopWindow(Parent))
{
break;
}
WndAncestor = Parent;
}
break;
}
case GA_ROOTOWNER:
{
WndAncestor = Wnd;
for (;;)
{
PWINDOW_OBJECT Parent, Old;
Old = WndAncestor;
Parent = IntGetParent(WndAncestor);
if (!Parent)
{
break;
}
WndAncestor = Parent;
}
break;
}
default:
{
return NULL;
}
}
return WndAncestor;
}
/*
* @implemented
*/
HWND APIENTRY
NtUserGetAncestor(HWND hWnd, UINT Type)
{
PWINDOW_OBJECT Window, Ancestor;
DECLARE_RETURN(HWND);
DPRINT("Enter NtUserGetAncestor\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN(NULL);
}
Ancestor = UserGetAncestor(Window, Type);
/* faxme: can UserGetAncestor ever return NULL for a valid window? */
RETURN(Ancestor ? Ancestor->hSelf : NULL);
CLEANUP:
DPRINT("Leave NtUserGetAncestor, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
BOOL
APIENTRY
NtUserGetComboBoxInfo(
HWND hWnd,
PCOMBOBOXINFO pcbi)
{
PWINDOW_OBJECT Wnd;
DECLARE_RETURN(BOOL);
DPRINT("Enter NtUserGetComboBoxInfo\n");
UserEnterShared();
if (!(Wnd = UserGetWindowObject(hWnd)))
{
RETURN( FALSE );
}
_SEH2_TRY
{
if(pcbi)
{
ProbeForWrite(pcbi,
sizeof(COMBOBOXINFO),
1);
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
SetLastNtError(_SEH2_GetExceptionCode());
_SEH2_YIELD(RETURN(FALSE));
}
_SEH2_END;
// Pass the user pointer, it was already probed.
RETURN( (BOOL) co_IntSendMessage( Wnd->hSelf, CB_GETCOMBOBOXINFO, 0, (LPARAM)pcbi));
CLEANUP:
DPRINT("Leave NtUserGetComboBoxInfo, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @implemented
*/
DWORD APIENTRY
NtUserGetInternalWindowPos( HWND hWnd,
LPRECT rectWnd,
LPPOINT ptIcon)
{
PWINDOW_OBJECT Window;
PWND Wnd;
DWORD Ret = 0;
BOOL Hit = FALSE;
WINDOWPLACEMENT wndpl;
UserEnterShared();
if (!(Window = UserGetWindowObject(hWnd)) || !Window->Wnd)
{
Hit = FALSE;
goto Exit;
}
Wnd = Window->Wnd;
_SEH2_TRY
{
if(rectWnd)
{
ProbeForWrite(rectWnd,
sizeof(RECT),
1);
}
if(ptIcon)
{
ProbeForWrite(ptIcon,
sizeof(POINT),
1);
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
SetLastNtError(_SEH2_GetExceptionCode());
Hit = TRUE;
}
_SEH2_END;
wndpl.length = sizeof(WINDOWPLACEMENT);
if (IntGetWindowPlacement(Window, &wndpl) && !Hit)
{
_SEH2_TRY
{
if (rectWnd)
{
RtlCopyMemory(rectWnd, &wndpl.rcNormalPosition , sizeof(RECT));
}
if (ptIcon)
{
RtlCopyMemory(ptIcon, &wndpl.ptMinPosition, sizeof(POINT));
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
SetLastNtError(_SEH2_GetExceptionCode());
Hit = TRUE;
}
_SEH2_END;
if (!Hit) Ret = wndpl.showCmd;
}
Exit:
UserLeave();
return Ret;
}
DWORD
APIENTRY
NtUserGetListBoxInfo(
HWND hWnd)
{
PWINDOW_OBJECT Wnd;
DECLARE_RETURN(DWORD);
DPRINT("Enter NtUserGetListBoxInfo\n");
UserEnterShared();
if (!(Wnd = UserGetWindowObject(hWnd)))
{
RETURN( 0 );
}
RETURN( (DWORD) co_IntSendMessage( Wnd->hSelf, LB_GETLISTBOXINFO, 0, 0 ));
CLEANUP:
DPRINT("Leave NtUserGetListBoxInfo, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
HWND FASTCALL
co_UserSetParent(HWND hWndChild, HWND hWndNewParent)
{
PWINDOW_OBJECT Wnd = NULL, WndParent = NULL, WndOldParent;
HWND hWndOldParent = NULL;
USER_REFERENCE_ENTRY Ref, ParentRef;
if (IntIsBroadcastHwnd(hWndChild) || IntIsBroadcastHwnd(hWndNewParent))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
return( NULL);
}
if (hWndChild == IntGetDesktopWindow())
{
SetLastWin32Error(ERROR_ACCESS_DENIED);
return( NULL);
}
if (hWndNewParent)
{
if (!(WndParent = UserGetWindowObject(hWndNewParent)))
{
return( NULL);
}
}
else
{
if (!(WndParent = UserGetWindowObject(IntGetDesktopWindow())))
{
return( NULL);
}
}
if (!(Wnd = UserGetWindowObject(hWndChild)))
{
return( NULL);
}
UserRefObjectCo(Wnd, &Ref);
UserRefObjectCo(WndParent, &ParentRef);
WndOldParent = co_IntSetParent(Wnd, WndParent);
UserDerefObjectCo(WndParent);
UserDerefObjectCo(Wnd);
if (WndOldParent)
{
hWndOldParent = WndOldParent->hSelf;
UserDereferenceObject(WndOldParent);
}
return( hWndOldParent);
}
/*
* NtUserSetParent
*
* The NtUserSetParent function changes the parent window of the specified
* child window.
*
* Remarks
* The new parent window and the child window must belong to the same
* application. If the window identified by the hWndChild parameter is
* visible, the system performs the appropriate redrawing and repainting.
* For compatibility reasons, NtUserSetParent does not modify the WS_CHILD
* or WS_POPUP window styles of the window whose parent is being changed.
*
* Status
* @implemented
*/
HWND APIENTRY
NtUserSetParent(HWND hWndChild, HWND hWndNewParent)
{
DECLARE_RETURN(HWND);
DPRINT("Enter NtUserSetParent\n");
UserEnterExclusive();
/*
Check Parent first from user space, set it here.
*/
if (!hWndNewParent)
{
hWndNewParent = IntGetDesktopWindow();
}
else if (hWndNewParent == HWND_MESSAGE)
{
hWndNewParent = IntGetMessageWindow();
}
RETURN( co_UserSetParent(hWndChild, hWndNewParent));
CLEANUP:
DPRINT("Leave NtUserSetParent, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* UserGetShellWindow
*
* Returns a handle to shell window that was set by NtUserSetShellWindowEx.
*
* Status
* @implemented
*/
HWND FASTCALL UserGetShellWindow(VOID)
{
PWINSTATION_OBJECT WinStaObject;
HWND Ret;
NTSTATUS Status = IntValidateWindowStationHandle(PsGetCurrentProcess()->Win32WindowStation,
KernelMode,
0,
&WinStaObject);
if (!NT_SUCCESS(Status))
{
SetLastNtError(Status);
return( (HWND)0);
}
Ret = (HWND)WinStaObject->ShellWindow;
ObDereferenceObject(WinStaObject);
return( Ret);
}
/*
* NtUserSetShellWindowEx
*
* This is undocumented function to set global shell window. The global
* shell window has special handling of window position.
*
* Status
* @implemented
*/
BOOL APIENTRY
NtUserSetShellWindowEx(HWND hwndShell, HWND hwndListView)
{
PWINSTATION_OBJECT WinStaObject;
PWINDOW_OBJECT WndShell, WndListView;
DECLARE_RETURN(BOOL);
USER_REFERENCE_ENTRY Ref;
NTSTATUS Status;
PTHREADINFO ti;
DPRINT("Enter NtUserSetShellWindowEx\n");
UserEnterExclusive();
if (!(WndShell = UserGetWindowObject(hwndShell)))
{
RETURN(FALSE);
}
if(!(WndListView = UserGetWindowObject(hwndListView)))
{
RETURN(FALSE);
}
Status = IntValidateWindowStationHandle(PsGetCurrentProcess()->Win32WindowStation,
KernelMode,
0,
&WinStaObject);
if (!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN( FALSE);
}
/*
* Test if we are permitted to change the shell window.
*/
if (WinStaObject->ShellWindow)
{
ObDereferenceObject(WinStaObject);
RETURN( FALSE);
}
/*
* Move shell window into background.
*/
if (hwndListView && hwndListView != hwndShell)
{
/*
* Disabled for now to get Explorer working.
* -- Filip, 01/nov/2003
*/
#if 0
co_WinPosSetWindowPos(hwndListView, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE);
#endif
if (WndListView->Wnd->ExStyle & WS_EX_TOPMOST)
{
ObDereferenceObject(WinStaObject);
RETURN( FALSE);
}
}
if (WndShell->Wnd->ExStyle & WS_EX_TOPMOST)
{
ObDereferenceObject(WinStaObject);
RETURN( FALSE);
}
UserRefObjectCo(WndShell, &Ref);
co_WinPosSetWindowPos(WndShell, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE);
WinStaObject->ShellWindow = hwndShell;
WinStaObject->ShellListView = hwndListView;
ti = GetW32ThreadInfo();
if (ti->pDeskInfo) ti->pDeskInfo->hShellWindow = hwndShell;
UserDerefObjectCo(WndShell);
ObDereferenceObject(WinStaObject);
RETURN( TRUE);
CLEANUP:
DPRINT("Leave NtUserSetShellWindowEx, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* NtUserGetSystemMenu
*
* The NtUserGetSystemMenu function allows the application to access the
* window menu (also known as the system menu or the control menu) for
* copying and modifying.
*
* Parameters
* hWnd
* Handle to the window that will own a copy of the window menu.
* bRevert
* Specifies the action to be taken. If this parameter is FALSE,
* NtUserGetSystemMenu returns a handle to the copy of the window menu
* currently in use. The copy is initially identical to the window menu
* but it can be modified.
* If this parameter is TRUE, GetSystemMenu resets the window menu back
* to the default state. The previous window menu, if any, is destroyed.
*
* Return Value
* If the bRevert parameter is FALSE, the return value is a handle to a
* copy of the window menu. If the bRevert parameter is TRUE, the return
* value is NULL.
*
* Status
* @implemented
*/
HMENU APIENTRY
NtUserGetSystemMenu(HWND hWnd, BOOL bRevert)
{
PWINDOW_OBJECT Window;
PMENU_OBJECT Menu;
DECLARE_RETURN(HMENU);
DPRINT("Enter NtUserGetSystemMenu\n");
UserEnterShared();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN(NULL);
}
if (!(Menu = IntGetSystemMenu(Window, bRevert, FALSE)))
{
RETURN(NULL);
}
RETURN(Menu->MenuInfo.Self);
CLEANUP:
DPRINT("Leave NtUserGetSystemMenu, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* NtUserSetSystemMenu
*
* Status
* @implemented
*/
BOOL APIENTRY
NtUserSetSystemMenu(HWND hWnd, HMENU hMenu)
{
BOOL Result = FALSE;
PWINDOW_OBJECT Window;
PMENU_OBJECT Menu;
DECLARE_RETURN(BOOL);
DPRINT("Enter NtUserSetSystemMenu\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( FALSE);
}
if (hMenu)
{
/*
* Assign new menu handle.
*/
if (!(Menu = UserGetMenuObject(hMenu)))
{
RETURN( FALSE);
}
Result = IntSetSystemMenu(Window, Menu);
}
RETURN( Result);
CLEANUP:
DPRINT("Leave NtUserSetSystemMenu, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
LONG FASTCALL
co_UserSetWindowLong(HWND hWnd, DWORD Index, LONG NewValue, BOOL Ansi)
{
PWINDOW_OBJECT Window, Parent;
PWND Wnd;
PWINSTATION_OBJECT WindowStation;
LONG OldValue;
STYLESTRUCT Style;
if (hWnd == IntGetDesktopWindow())
{
SetLastWin32Error(STATUS_ACCESS_DENIED);
return( 0);
}
if (!(Window = UserGetWindowObject(hWnd)))
{
return( 0);
}
Wnd = Window->Wnd;
if (!Wnd) return 0; // No go on zero.
if ((INT)Index >= 0)
{
if ((Index + sizeof(LONG)) > Wnd->cbwndExtra)
{
SetLastWin32Error(ERROR_INVALID_INDEX);
return( 0);
}
OldValue = *((LONG *)((PCHAR)(Wnd + 1) + Index));
/*
if ( Index == DWLP_DLGPROC && Wnd->state & WNDS_DIALOGWINDOW)
{
OldValue = (LONG)IntSetWindowProc( Wnd,
(WNDPROC)NewValue,
Ansi);
if (!OldValue) return 0;
}
*/
*((LONG *)((PCHAR)(Wnd + 1) + Index)) = NewValue;
}
else
{
switch (Index)
{
case GWL_EXSTYLE:
OldValue = (LONG) Wnd->ExStyle;
Style.styleOld = OldValue;
Style.styleNew = NewValue;
/*
* Remove extended window style bit WS_EX_TOPMOST for shell windows.
*/
WindowStation = Window->pti->rpdesk->rpwinstaParent;
if(WindowStation)
{
if (hWnd == WindowStation->ShellWindow || hWnd == WindowStation->ShellListView)
Style.styleNew &= ~WS_EX_TOPMOST;
}
co_IntSendMessage(hWnd, WM_STYLECHANGING, GWL_EXSTYLE, (LPARAM) &Style);
Wnd->ExStyle = (DWORD)Style.styleNew;
co_IntSendMessage(hWnd, WM_STYLECHANGED, GWL_EXSTYLE, (LPARAM) &Style);
break;
case GWL_STYLE:
OldValue = (LONG) Wnd->style;
Style.styleOld = OldValue;
Style.styleNew = NewValue;
co_IntSendMessage(hWnd, WM_STYLECHANGING, GWL_STYLE, (LPARAM) &Style);
Wnd->style = (DWORD)Style.styleNew;
co_IntSendMessage(hWnd, WM_STYLECHANGED, GWL_STYLE, (LPARAM) &Style);
break;
case GWL_WNDPROC:
{
if ( Wnd->head.pti->ppi != PsGetCurrentProcessWin32Process() ||
Wnd->fnid & FNID_FREED)
{
SetLastWin32Error(ERROR_ACCESS_DENIED);
return( 0);
}
OldValue = (LONG)IntSetWindowProc(Wnd,
(WNDPROC)NewValue,
Ansi);
break;
}
case GWL_HINSTANCE:
OldValue = (LONG) Wnd->hModule;
Wnd->hModule = (HINSTANCE) NewValue;
break;
case GWL_HWNDPARENT:
Parent = Window->spwndParent;
if (Parent && (Parent->hSelf == IntGetDesktopWindow()))
OldValue = (LONG) IntSetOwner(Window->hSelf, (HWND) NewValue);
else
OldValue = (LONG) co_UserSetParent(Window->hSelf, (HWND) NewValue);
break;
case GWL_ID:
OldValue = (LONG) Wnd->IDMenu;
Wnd->IDMenu = (UINT) NewValue;
break;
case GWL_USERDATA:
OldValue = Wnd->dwUserData;
Wnd->dwUserData = NewValue;
break;
default:
DPRINT1("NtUserSetWindowLong(): Unsupported index %d\n", Index);
SetLastWin32Error(ERROR_INVALID_INDEX);
OldValue = 0;
break;
}
}
return( OldValue);
}
/*
* NtUserSetWindowLong
*
* The NtUserSetWindowLong function changes an attribute of the specified
* window. The function also sets the 32-bit (long) value at the specified
* offset into the extra window memory.
*
* Status
* @implemented
*/
LONG APIENTRY
NtUserSetWindowLong(HWND hWnd, DWORD Index, LONG NewValue, BOOL Ansi)
{
DECLARE_RETURN(LONG);
DPRINT("Enter NtUserSetWindowLong\n");
UserEnterExclusive();
RETURN( co_UserSetWindowLong(hWnd, Index, NewValue, Ansi));
CLEANUP:
DPRINT("Leave NtUserSetWindowLong, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* NtUserSetWindowWord
*
* Legacy function similar to NtUserSetWindowLong.
*
* Status
* @implemented
*/
WORD APIENTRY
NtUserSetWindowWord(HWND hWnd, INT Index, WORD NewValue)
{
PWINDOW_OBJECT Window;
WORD OldValue;
DECLARE_RETURN(WORD);
DPRINT("Enter NtUserSetWindowWord\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( 0);
}
switch (Index)
{
case GWL_ID:
case GWL_HINSTANCE:
case GWL_HWNDPARENT:
RETURN( co_UserSetWindowLong(Window->hSelf, Index, (UINT)NewValue, TRUE));
default:
if (Index < 0)
{
SetLastWin32Error(ERROR_INVALID_INDEX);
RETURN( 0);
}
}
if (Index > Window->Wnd->cbwndExtra - sizeof(WORD))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
RETURN( 0);
}
OldValue = *((WORD *)((PCHAR)(Window->Wnd + 1) + Index));
*((WORD *)((PCHAR)(Window->Wnd + 1) + Index)) = NewValue;
RETURN( OldValue);
CLEANUP:
DPRINT("Leave NtUserSetWindowWord, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @implemented
*/
BOOL APIENTRY
NtUserGetWindowPlacement(HWND hWnd,
WINDOWPLACEMENT *lpwndpl)
{
PWINDOW_OBJECT Window;
PWND Wnd;
POINT Size;
WINDOWPLACEMENT Safepl;
NTSTATUS Status;
DECLARE_RETURN(BOOL);
DPRINT("Enter NtUserGetWindowPlacement\n");
UserEnterShared();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( FALSE);
}
Wnd = Window->Wnd;
Status = MmCopyFromCaller(&Safepl, lpwndpl, sizeof(WINDOWPLACEMENT));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN( FALSE);
}
if(Safepl.length != sizeof(WINDOWPLACEMENT))
{
RETURN( FALSE);
}
Safepl.flags = 0;
if (0 == (Wnd->style & WS_VISIBLE))
{
Safepl.showCmd = SW_HIDE;
}
else if ((0 != (Window->state & WINDOWOBJECT_RESTOREMAX) ||
0 != (Wnd->style & WS_MAXIMIZE)) &&
0 == (Wnd->style & WS_MINIMIZE))
{
Safepl.showCmd = SW_SHOWMAXIMIZED;
}
else if (0 != (Wnd->style & WS_MINIMIZE))
{
Safepl.showCmd = SW_SHOWMINIMIZED;
}
else if (0 != (Wnd->style & WS_VISIBLE))
{
Safepl.showCmd = SW_SHOWNORMAL;
}
Size.x = Wnd->rcWindow.left;
Size.y = Wnd->rcWindow.top;
WinPosInitInternalPos(Window, &Size,
&Wnd->rcWindow);
Safepl.rcNormalPosition = Wnd->InternalPos.NormalRect;
Safepl.ptMinPosition = Wnd->InternalPos.IconPos;
Safepl.ptMaxPosition = Wnd->InternalPos.MaxPos;
Status = MmCopyToCaller(lpwndpl, &Safepl, sizeof(WINDOWPLACEMENT));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN( FALSE);
}
RETURN( TRUE);
CLEANUP:
DPRINT("Leave NtUserGetWindowPlacement, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @unimplemented
*/
BOOL APIENTRY
NtUserLockWindowUpdate(HWND hWnd)
{
UNIMPLEMENTED
return 0;
}
/*
* @implemented
*/
BOOL APIENTRY
NtUserMoveWindow(
HWND hWnd,
int X,
int Y,
int nWidth,
int nHeight,
BOOL bRepaint)
{
return NtUserSetWindowPos(hWnd, 0, X, Y, nWidth, nHeight,
(bRepaint ? SWP_NOZORDER | SWP_NOACTIVATE :
SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW));
}
/*
QueryWindow based on KJK::Hyperion and James Tabor.
0 = QWUniqueProcessId
1 = QWUniqueThreadId
2 = QWActiveWindow
3 = QWFocusWindow
4 = QWIsHung Implements IsHungAppWindow found
by KJK::Hyperion.
9 = QWKillWindow When I called this with hWnd ==
DesktopWindow, it shutdown the system
and rebooted.
*/
/*
* @implemented
*/
DWORD APIENTRY
NtUserQueryWindow(HWND hWnd, DWORD Index)
{
PWINDOW_OBJECT Window;
PWND pWnd;
DWORD Result;
DECLARE_RETURN(UINT);
DPRINT("Enter NtUserQueryWindow\n");
UserEnterShared();
if (!(Window = UserGetWindowObject(hWnd)) || !Window->Wnd)
{
RETURN( 0);
}
pWnd = Window->Wnd;
switch(Index)
{
case QUERY_WINDOW_UNIQUE_PROCESS_ID:
Result = (DWORD)IntGetWndProcessId(Window);
break;
case QUERY_WINDOW_UNIQUE_THREAD_ID:
Result = (DWORD)IntGetWndThreadId(Window);
break;
case QUERY_WINDOW_ACTIVE:
Result = (DWORD)UserGetActiveWindow();
break;
case QUERY_WINDOW_FOCUS:
Result = (DWORD)IntGetFocusWindow();
break;
case QUERY_WINDOW_ISHUNG:
Result = (DWORD)MsqIsHung(Window->pti->MessageQueue);
break;
case QUERY_WINDOW_REAL_ID:
Result = (DWORD)pWnd->head.pti->pEThread->Cid.UniqueProcess;
default:
Result = (DWORD)NULL;
break;
}
RETURN( Result);
CLEANUP:
DPRINT("Leave NtUserQueryWindow, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @unimplemented
*/
DWORD APIENTRY
NtUserRealChildWindowFromPoint(DWORD Unknown0,
DWORD Unknown1,
DWORD Unknown2)
{
UNIMPLEMENTED
return 0;
}
/*
* @implemented
*/
UINT APIENTRY
NtUserRegisterWindowMessage(PUNICODE_STRING MessageNameUnsafe)
{
UNICODE_STRING SafeMessageName;
NTSTATUS Status;
UINT Ret;
DECLARE_RETURN(UINT);
DPRINT("Enter NtUserRegisterWindowMessage\n");
UserEnterExclusive();
if(MessageNameUnsafe == NULL)
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
RETURN( 0);
}
Status = IntSafeCopyUnicodeStringTerminateNULL(&SafeMessageName, MessageNameUnsafe);
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN( 0);
}
Ret = (UINT)IntAddAtom(SafeMessageName.Buffer);
if (SafeMessageName.Buffer)
ExFreePoolWithTag(SafeMessageName.Buffer, TAG_STRING);
RETURN( Ret);
CLEANUP:
DPRINT("Leave NtUserRegisterWindowMessage, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @unimplemented
*/
DWORD APIENTRY
NtUserSetImeOwnerWindow(DWORD Unknown0,
DWORD Unknown1)
{
UNIMPLEMENTED
return 0;
}
/*
* @unimplemented
*/
DWORD APIENTRY
NtUserSetInternalWindowPos(
HWND hwnd,
UINT showCmd,
LPRECT rect,
LPPOINT pt)
{
UNIMPLEMENTED
return 0;
}
/*
* @unimplemented
*/
BOOL APIENTRY
NtUserSetLayeredWindowAttributes(HWND hwnd,
COLORREF crKey,
BYTE bAlpha,
DWORD dwFlags)
{
UNIMPLEMENTED;
return FALSE;
}
/*
* @unimplemented
*/
BOOL APIENTRY
NtUserSetLogonNotifyWindow(HWND hWnd)
{
UNIMPLEMENTED
return 0;
}
/*
* @implemented
*/
BOOL APIENTRY
NtUserSetMenu(
HWND hWnd,
HMENU Menu,
BOOL Repaint)
{
PWINDOW_OBJECT Window;
BOOL Changed;
DECLARE_RETURN(BOOL);
DPRINT("Enter NtUserSetMenu\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( FALSE);
}
if (! IntSetMenu(Window, Menu, &Changed))
{
RETURN( FALSE);
}
if (Changed && Repaint)
{
USER_REFERENCE_ENTRY Ref;
UserRefObjectCo(Window, &Ref);
co_WinPosSetWindowPos(Window, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED);
UserDerefObjectCo(Window);
}
RETURN( TRUE);
CLEANUP:
DPRINT("Leave NtUserSetMenu, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @implemented
*/
BOOL APIENTRY
NtUserSetWindowFNID(HWND hWnd,
WORD fnID)
{
PWINDOW_OBJECT Window;
PWND Wnd;
DECLARE_RETURN(BOOL);
DPRINT("Enter NtUserSetWindowFNID\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( FALSE);
}
Wnd = Window->Wnd;
if (Wnd->pcls)
{ // From user land we only set these.
if ((fnID != FNID_DESTROY) || ((fnID < FNID_BUTTON) && (fnID > FNID_IME)) )
{
RETURN( FALSE);
}
else
Wnd->pcls->fnid |= fnID;
}
RETURN( TRUE);
CLEANUP:
DPRINT("Leave NtUserSetWindowFNID\n");
UserLeave();
END_CLEANUP;
}
/*
* @implemented
*/
BOOL APIENTRY
NtUserSetWindowPlacement(HWND hWnd,
WINDOWPLACEMENT *lpwndpl)
{
PWINDOW_OBJECT Window;
PWND Wnd;
WINDOWPLACEMENT Safepl;
NTSTATUS Status;
DECLARE_RETURN(BOOL);
USER_REFERENCE_ENTRY Ref;
DPRINT("Enter NtUserSetWindowPlacement\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( FALSE);
}
Wnd = Window->Wnd;
Status = MmCopyFromCaller(&Safepl, lpwndpl, sizeof(WINDOWPLACEMENT));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN( FALSE);
}
if(Safepl.length != sizeof(WINDOWPLACEMENT))
{
RETURN( FALSE);
}
UserRefObjectCo(Window, &Ref);
if ((Wnd->style & (WS_MAXIMIZE | WS_MINIMIZE)) == 0)
{
co_WinPosSetWindowPos(Window, NULL,
Safepl.rcNormalPosition.left, Safepl.rcNormalPosition.top,
Safepl.rcNormalPosition.right - Safepl.rcNormalPosition.left,
Safepl.rcNormalPosition.bottom - Safepl.rcNormalPosition.top,
SWP_NOZORDER | SWP_NOACTIVATE);
}
/* FIXME - change window status */
co_WinPosShowWindow(Window, Safepl.showCmd);
Wnd->InternalPosInitialized = TRUE;
Wnd->InternalPos.NormalRect = Safepl.rcNormalPosition;
Wnd->InternalPos.IconPos = Safepl.ptMinPosition;
Wnd->InternalPos.MaxPos = Safepl.ptMaxPosition;
UserDerefObjectCo(Window);
RETURN(TRUE);
CLEANUP:
DPRINT("Leave NtUserSetWindowPlacement, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @implemented
*/
BOOL APIENTRY
NtUserSetWindowPos(
HWND hWnd,
HWND hWndInsertAfter,
int X,
int Y,
int cx,
int cy,
UINT uFlags)
{
DECLARE_RETURN(BOOL);
PWINDOW_OBJECT Window;
BOOL ret;
USER_REFERENCE_ENTRY Ref;
DPRINT("Enter NtUserSetWindowPos\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN(FALSE);
}
/* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
if (!(uFlags & SWP_NOMOVE))
{
if (X < -32768) X = -32768;
else if (X > 32767) X = 32767;
if (Y < -32768) Y = -32768;
else if (Y > 32767) Y = 32767;
}
if (!(uFlags & SWP_NOSIZE))
{
if (cx < 0) cx = 0;
else if (cx > 32767) cx = 32767;
if (cy < 0) cy = 0;
else if (cy > 32767) cy = 32767;
}
UserRefObjectCo(Window, &Ref);
ret = co_WinPosSetWindowPos(Window, hWndInsertAfter, X, Y, cx, cy, uFlags);
UserDerefObjectCo(Window);
RETURN(ret);
CLEANUP:
DPRINT("Leave NtUserSetWindowPos, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
INT FASTCALL
IntGetWindowRgn(PWINDOW_OBJECT Window, HRGN hRgn)
{
INT Ret;
HRGN VisRgn;
ROSRGNDATA *pRgn;
PWND Wnd;
if(!Window)
{
return ERROR;
}
if(!hRgn)
{
return ERROR;
}
Wnd = Window->Wnd;
/* Create a new window region using the window rectangle */
VisRgn = IntSysCreateRectRgnIndirect(&Window->Wnd->rcWindow);
NtGdiOffsetRgn(VisRgn, -Window->Wnd->rcWindow.left, -Window->Wnd->rcWindow.top);
/* if there's a region assigned to the window, combine them both */
if(Window->hrgnClip && !(Wnd->style & WS_MINIMIZE))
NtGdiCombineRgn(VisRgn, VisRgn, Window->hrgnClip, RGN_AND);
/* Copy the region into hRgn */
NtGdiCombineRgn(hRgn, VisRgn, NULL, RGN_COPY);
if((pRgn = RGNOBJAPI_Lock(hRgn, NULL)))
{
Ret = pRgn->rdh.iType;
RGNOBJAPI_Unlock(pRgn);
}
else
Ret = ERROR;
REGION_FreeRgnByHandle(VisRgn);
return Ret;
}
INT FASTCALL
IntGetWindowRgnBox(PWINDOW_OBJECT Window, RECTL *Rect)
{
INT Ret;
HRGN VisRgn;
ROSRGNDATA *pRgn;
PWND Wnd;
if(!Window)
{
return ERROR;
}
if(!Rect)
{
return ERROR;
}
Wnd = Window->Wnd;
/* Create a new window region using the window rectangle */
VisRgn = IntSysCreateRectRgnIndirect(&Window->Wnd->rcWindow);
NtGdiOffsetRgn(VisRgn, -Window->Wnd->rcWindow.left, -Window->Wnd->rcWindow.top);
/* if there's a region assigned to the window, combine them both */
if(Window->hrgnClip && !(Wnd->style & WS_MINIMIZE))
NtGdiCombineRgn(VisRgn, VisRgn, Window->hrgnClip, RGN_AND);
if((pRgn = RGNOBJAPI_Lock(VisRgn, NULL)))
{
Ret = pRgn->rdh.iType;
*Rect = pRgn->rdh.rcBound;
RGNOBJAPI_Unlock(pRgn);
}
else
Ret = ERROR;
REGION_FreeRgnByHandle(VisRgn);
return Ret;
}
/*
* @implemented
*/
INT APIENTRY
NtUserSetWindowRgn(
HWND hWnd,
HRGN hRgn,
BOOL bRedraw)
{
HRGN hrgnCopy;
PWINDOW_OBJECT Window;
DECLARE_RETURN(INT);
DPRINT("Enter NtUserSetWindowRgn\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( 0);
}
if (hRgn) // The region will be deleted in user32.
{
if (GDIOBJ_ValidateHandle(hRgn, GDI_OBJECT_TYPE_REGION))
{
hrgnCopy = IntSysCreateRectRgn(0, 0, 0, 0);
NtGdiCombineRgn(hrgnCopy, hRgn, 0, RGN_COPY);
}
else
RETURN( 0);
}
else
hrgnCopy = (HRGN) 1;
if (Window->hrgnClip)
{
/* Delete no longer needed region handle */
GreDeleteObject(Window->hrgnClip);
}
Window->hrgnClip = hrgnCopy;
/* FIXME - send WM_WINDOWPOSCHANGING and WM_WINDOWPOSCHANGED messages to the window */
if(bRedraw)
{
USER_REFERENCE_ENTRY Ref;
UserRefObjectCo(Window, &Ref);
co_UserRedrawWindow(Window, NULL, NULL, RDW_INVALIDATE);
UserDerefObjectCo(Window);
}
RETURN( (INT)hRgn);
CLEANUP:
DPRINT("Leave NtUserSetWindowRgn, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @implemented
*/
BOOL APIENTRY
NtUserShowWindow(HWND hWnd, LONG nCmdShow)
{
PWINDOW_OBJECT Window;
BOOL ret;
DECLARE_RETURN(BOOL);
USER_REFERENCE_ENTRY Ref;
DPRINT("Enter NtUserShowWindow\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN(FALSE);
}
UserRefObjectCo(Window, &Ref);
ret = co_WinPosShowWindow(Window, nCmdShow);
UserDerefObjectCo(Window);
RETURN(ret);
CLEANUP:
DPRINT("Leave NtUserShowWindow, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* @unimplemented
*/
BOOL APIENTRY
NtUserShowWindowAsync(HWND hWnd, LONG nCmdShow)
{
#if 0
UNIMPLEMENTED
return 0;
#else
return NtUserShowWindow(hWnd, nCmdShow);
#endif
}
/*
* @unimplemented
*/
BOOL
APIENTRY
NtUserUpdateLayeredWindow(
HWND hwnd,
HDC hdcDst,
POINT *pptDst,
SIZE *psize,
HDC hdcSrc,
POINT *pptSrc,
COLORREF crKey,
BLENDFUNCTION *pblend,
DWORD dwFlags,
RECT *prcDirty)
{
UNIMPLEMENTED
return 0;
}
/*
* @unimplemented
*/
HWND APIENTRY
NtUserWindowFromPhysicalPoint(POINT Point)
{
UNIMPLEMENTED
return NULL;
}
/*
* @implemented
*/
HWND APIENTRY
NtUserWindowFromPoint(LONG X, LONG Y)
{
POINT pt;
HWND Ret;
PWINDOW_OBJECT DesktopWindow = NULL, Window = NULL;
DECLARE_RETURN(HWND);
USER_REFERENCE_ENTRY Ref;
DPRINT("Enter NtUserWindowFromPoint\n");
UserEnterExclusive();
if ((DesktopWindow = UserGetWindowObject(IntGetDesktopWindow())))
{
PTHREADINFO pti;
USHORT Hit;
pt.x = X;
pt.y = Y;
//hmm... threads live on desktops thus we have a reference on the desktop and indirectly the desktop window
//its possible this referencing is useless, thou it shouldnt hurt...
UserRefObjectCo(DesktopWindow, &Ref);
pti = PsGetCurrentThreadWin32Thread();
Hit = co_WinPosWindowFromPoint(DesktopWindow, pti->MessageQueue, &pt, &Window);
if(Window)
{
Ret = Window->hSelf;
RETURN( Ret);
}
}
RETURN( NULL);
CLEANUP:
if (Window) UserDereferenceObject(Window);
if (DesktopWindow) UserDerefObjectCo(DesktopWindow);
DPRINT("Leave NtUserWindowFromPoint, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* NtUserDefSetText
*
* Undocumented function that is called from DefWindowProc to set
* window text.
*
* Status
* @implemented
*/
BOOL APIENTRY
NtUserDefSetText(HWND hWnd, PLARGE_STRING WindowText)
{
PWINDOW_OBJECT Window;
PWND Wnd;
LARGE_STRING SafeText;
UNICODE_STRING UnicodeString;
BOOL Ret = TRUE;
DPRINT("Enter NtUserDefSetText\n");
if (WindowText != NULL)
{
_SEH2_TRY
{
SafeText = ProbeForReadLargeString(WindowText);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Ret = FALSE;
SetLastNtError(_SEH2_GetExceptionCode());
}
_SEH2_END;
if (!Ret)
return FALSE;
}
else
return TRUE;
UserEnterExclusive();
if(!(Window = UserGetWindowObject(hWnd)) || !Window->Wnd)
{
UserLeave();
return FALSE;
}
Wnd = Window->Wnd;
// ReactOS uses Unicode and not mixed. Up/Down converting will take time.
// Brought to you by: The Wine Project! Dysfunctional Thought Processes!
// Now we know what the bAnsi is for.
RtlInitUnicodeString(&UnicodeString, NULL);
if (SafeText.Buffer)
{
_SEH2_TRY
{
if (SafeText.bAnsi)
ProbeForRead(SafeText.Buffer, SafeText.Length, sizeof(CHAR));
else
ProbeForRead(SafeText.Buffer, SafeText.Length, sizeof(WCHAR));
Ret = RtlLargeStringToUnicodeString(&UnicodeString, &SafeText);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Ret = FALSE;
SetLastNtError(_SEH2_GetExceptionCode());
}
_SEH2_END;
if (!Ret) goto Exit;
}
if (UnicodeString.Length != 0)
{
if (Wnd->strName.MaximumLength > 0 &&
UnicodeString.Length <= Wnd->strName.MaximumLength - sizeof(UNICODE_NULL))
{
ASSERT(Wnd->strName.Buffer != NULL);
Wnd->strName.Length = UnicodeString.Length;
Wnd->strName.Buffer[UnicodeString.Length / sizeof(WCHAR)] = L'\0';
RtlCopyMemory(Wnd->strName.Buffer,
UnicodeString.Buffer,
UnicodeString.Length);
}
else
{
PWCHAR buf;
Wnd->strName.MaximumLength = Wnd->strName.Length = 0;
buf = Wnd->strName.Buffer;
Wnd->strName.Buffer = NULL;
if (buf != NULL)
{
DesktopHeapFree(Wnd->head.rpdesk, buf);
}
Wnd->strName.Buffer = DesktopHeapAlloc(Wnd->head.rpdesk,
UnicodeString.Length + sizeof(UNICODE_NULL));
if (Wnd->strName.Buffer != NULL)
{
Wnd->strName.Buffer[UnicodeString.Length / sizeof(WCHAR)] = L'\0';
RtlCopyMemory(Wnd->strName.Buffer,
UnicodeString.Buffer,
UnicodeString.Length);
Wnd->strName.MaximumLength = UnicodeString.Length + sizeof(UNICODE_NULL);
Wnd->strName.Length = UnicodeString.Length;
}
else
{
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
Ret = FALSE;
goto Exit;
}
}
}
else
{
Wnd->strName.Length = 0;
if (Wnd->strName.Buffer != NULL)
Wnd->strName.Buffer[0] = L'\0';
}
// HAX! FIXME! Windows does not do this in here!
// In User32, these are called after: NotifyWinEvent EVENT_OBJECT_NAMECHANGE than
// RepaintButton, StaticRepaint, NtUserCallHwndLock HWNDLOCK_ROUTINE_REDRAWFRAMEANDHOOK, etc.
/* Send shell notifications */
if (!Window->spwndOwner && !IntGetParent(Window))
{
co_IntShellHookNotify(HSHELL_REDRAW, (LPARAM) hWnd);
}
Ret = TRUE;
Exit:
if (UnicodeString.Buffer) RtlFreeUnicodeString(&UnicodeString);
DPRINT("Leave NtUserDefSetText, ret=%i\n", Ret);
UserLeave();
return Ret;
}
/*
* NtUserInternalGetWindowText
*
* Status
* @implemented
*/
INT APIENTRY
NtUserInternalGetWindowText(HWND hWnd, LPWSTR lpString, INT nMaxCount)
{
PWINDOW_OBJECT Window;
PWND Wnd;
NTSTATUS Status;
INT Result;
DECLARE_RETURN(INT);
DPRINT("Enter NtUserInternalGetWindowText\n");
UserEnterShared();
if(lpString && (nMaxCount <= 1))
{
SetLastWin32Error(ERROR_INVALID_PARAMETER);
RETURN( 0);
}
if(!(Window = UserGetWindowObject(hWnd)))
{
RETURN( 0);
}
Wnd = Window->Wnd;
Result = Wnd->strName.Length / sizeof(WCHAR);
if(lpString)
{
const WCHAR Terminator = L'\0';
INT Copy;
WCHAR *Buffer = (WCHAR*)lpString;
Copy = min(nMaxCount - 1, Result);
if(Copy > 0)
{
Status = MmCopyToCaller(Buffer, Wnd->strName.Buffer, Copy * sizeof(WCHAR));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN( 0);
}
Buffer += Copy;
}
Status = MmCopyToCaller(Buffer, &Terminator, sizeof(WCHAR));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN( 0);
}
Result = Copy;
}
RETURN( Result);
CLEANUP:
DPRINT("Leave NtUserInternalGetWindowText, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
BOOL
FASTCALL
IntShowOwnedPopups(PWINDOW_OBJECT OwnerWnd, BOOL fShow )
{
int count = 0;
PWINDOW_OBJECT pWnd;
HWND *win_array;
// ASSERT(OwnerWnd);
win_array = IntWinListChildren(UserGetWindowObject(IntGetDesktopWindow()));
if (!win_array)
return TRUE;
while (win_array[count])
count++;
while (--count >= 0)
{
if (!(pWnd = UserGetWindowObject( win_array[count] )))
continue;
if (pWnd->spwndOwner != OwnerWnd)
continue;
if (fShow)
{
if (pWnd->Wnd->state & WNDS_HIDDENPOPUP)
{
/* In Windows, ShowOwnedPopups(TRUE) generates
* WM_SHOWWINDOW messages with SW_PARENTOPENING,
* regardless of the state of the owner
*/
co_IntSendMessage(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
continue;
}
}
else
{
if (pWnd->Wnd->style & WS_VISIBLE)
{
/* In Windows, ShowOwnedPopups(FALSE) generates
* WM_SHOWWINDOW messages with SW_PARENTCLOSING,
* regardless of the state of the owner
*/
co_IntSendMessage(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
continue;
}
}
}
ExFreePool( win_array );
return TRUE;
}
/*
* NtUserValidateHandleSecure
*
* Status
* @implemented
*/
BOOL
APIENTRY
NtUserValidateHandleSecure(
HANDLE handle,
BOOL Restricted)
{
if(!Restricted)
{
UINT uType;
{
PUSER_HANDLE_ENTRY entry;
if (!(entry = handle_to_entry(gHandleTable, handle )))
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return FALSE;
}
uType = entry->type;
}
switch (uType)
{
case otWindow:
{
PWINDOW_OBJECT Window;
if ((Window = UserGetWindowObject((HWND) handle))) return TRUE;
return FALSE;
}
case otMenu:
{
PMENU_OBJECT Menu;
if ((Menu = UserGetMenuObject((HMENU) handle))) return TRUE;
return FALSE;
}
case otAccel:
{
PACCELERATOR_TABLE Accel;
if ((Accel = UserGetAccelObject((HACCEL) handle))) return TRUE;
return FALSE;
}
case otCursorIcon:
{
PCURICON_OBJECT Cursor;
if ((Cursor = UserGetCurIconObject((HCURSOR) handle))) return TRUE;
return FALSE;
}
case otHook:
{
PHOOK Hook;
if ((Hook = IntGetHookObject((HHOOK) handle))) return TRUE;
return FALSE;
}
case otMonitor:
{
PMONITOR Monitor;
if ((Monitor = UserGetMonitorObject((HMONITOR) handle))) return TRUE;
return FALSE;
}
case otCallProc:
{
WNDPROC_INFO Proc;
return UserGetCallProcInfo( handle, &Proc );
}
default:
SetLastWin32Error(ERROR_INVALID_HANDLE);
}
}
else
{ /* Is handle entry restricted? */
UNIMPLEMENTED
}
return FALSE;
}
/* EOF */
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