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reactos/win32ss/user/ntuser/window.c
Timo Kreuzer fb9571ee3c [WIN32K] Use UserRefObjectCo in co_UserFreeWindow
2024-10-20 09:35:14 +03:00

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Win32k subsystem
* PURPOSE: Windows
* FILE: win32ss/user/ntuser/window.c
* PROGRAMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
* Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
*/
#include <win32k.h>
#include <immdev.h>
#include <unaligned.h>
DBG_DEFAULT_CHANNEL(UserWnd);
INT gNestedWindowLimit = 50;
PWINDOWLIST gpwlList = NULL;
PWINDOWLIST gpwlCache = NULL;
/* HELPER FUNCTIONS ***********************************************************/
PVOID FASTCALL
IntReAllocatePoolWithTag(
POOL_TYPE PoolType,
PVOID pOld,
SIZE_T cbOld,
SIZE_T cbNew,
ULONG Tag)
{
PVOID pNew = ExAllocatePoolWithTag(PoolType, cbNew, Tag);
if (!pNew)
return NULL;
RtlCopyMemory(pNew, pOld, min(cbOld, cbNew));
ExFreePoolWithTag(pOld, Tag);
return pNew;
}
BOOL FASTCALL UserUpdateUiState(PWND Wnd, WPARAM wParam)
{
WORD Action = LOWORD(wParam);
WORD Flags = HIWORD(wParam);
if (Flags & ~(UISF_HIDEFOCUS | UISF_HIDEACCEL | UISF_ACTIVE))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
switch (Action)
{
case UIS_INITIALIZE:
EngSetLastError(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;
}
PWND FASTCALL IntGetWindowObject(HWND hWnd)
{
PWND Window;
if (!hWnd) return NULL;
Window = UserGetWindowObject(hWnd);
if (Window)
Window->head.cLockObj++;
return Window;
}
PWND FASTCALL VerifyWnd(PWND pWnd)
{
ULONG Error;
if (!pWnd ||
(pWnd->state & WNDS_DESTROYED) ||
(pWnd->state2 & WNDS2_INDESTROY))
{
return NULL;
}
Error = EngGetLastError();
if (UserObjectInDestroy(UserHMGetHandle(pWnd)))
pWnd = NULL;
EngSetLastError(Error);
return pWnd;
}
PWND FASTCALL ValidateHwndNoErr(HWND hWnd)
{
PWND Window;
if (!hWnd)
return NULL;
Window = (PWND)UserGetObjectNoErr(gHandleTable, hWnd, TYPE_WINDOW);
if (!Window || (Window->state & WNDS_DESTROYED))
return NULL;
return Window;
}
/* Temp HACK */
// Win: ValidateHwnd
PWND FASTCALL UserGetWindowObject(HWND hWnd)
{
PWND Window;
if (!hWnd)
{
EngSetLastError(ERROR_INVALID_WINDOW_HANDLE);
return NULL;
}
Window = (PWND)UserGetObject(gHandleTable, hWnd, TYPE_WINDOW);
if (!Window || 0 != (Window->state & WNDS_DESTROYED))
{
EngSetLastError(ERROR_INVALID_WINDOW_HANDLE);
return NULL;
}
return Window;
}
ULONG FASTCALL
IntSetStyle( PWND pwnd, ULONG set_bits, ULONG clear_bits )
{
ULONG styleOld, styleNew;
styleOld = pwnd->style;
styleNew = (pwnd->style | set_bits) & ~clear_bits;
if (styleNew == styleOld) return styleNew;
pwnd->style = styleNew;
if ((styleOld ^ styleNew) & WS_VISIBLE) // State Change.
{
if (styleOld & WS_VISIBLE) pwnd->head.pti->cVisWindows--;
if (styleNew & WS_VISIBLE) pwnd->head.pti->cVisWindows++;
DceResetActiveDCEs( pwnd );
}
return styleOld;
}
/*
* 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)
{
PWND Window;
if (!(Window = UserGetWindowObject(hWnd)))
{
return FALSE;
}
return TRUE;
}
BOOL FASTCALL
IntIsWindowVisible(PWND Wnd)
{
PWND Temp = Wnd;
for (;;)
{
if (!Temp) return TRUE;
if (!(Temp->style & WS_VISIBLE)) break;
if (Temp->style & WS_MINIMIZE && Temp != Wnd) break;
if (Temp->fnid == FNID_DESKTOP) return TRUE;
Temp = Temp->spwndParent;
}
return FALSE;
}
PWND FASTCALL
IntGetParent(PWND Wnd)
{
if (Wnd->style & WS_POPUP)
{
return Wnd->spwndOwner;
}
else if (Wnd->style & WS_CHILD)
{
return Wnd->spwndParent;
}
return NULL;
}
BOOL
FASTCALL
IntEnableWindow( HWND hWnd, BOOL bEnable )
{
BOOL Update;
PWND pWnd;
UINT bIsDisabled;
if(!(pWnd = UserGetWindowObject(hWnd)))
{
return FALSE;
}
/* check if updating is needed */
bIsDisabled = !!(pWnd->style & WS_DISABLED);
Update = bIsDisabled;
if (bEnable)
{
IntSetStyle( pWnd, 0, WS_DISABLED );
}
else
{
Update = !bIsDisabled;
co_IntSendMessage( hWnd, WM_CANCELMODE, 0, 0);
/* Remove keyboard focus from that window if it had focus */
if (hWnd == IntGetThreadFocusWindow())
{
TRACE("IntEnableWindow SF NULL\n");
co_UserSetFocus(NULL);
}
IntSetStyle( pWnd, WS_DISABLED, 0 );
}
if (Update)
{
IntNotifyWinEvent(EVENT_OBJECT_STATECHANGE, pWnd, OBJID_WINDOW, CHILDID_SELF, 0);
co_IntSendMessage(hWnd, WM_ENABLE, (LPARAM)bEnable, 0);
}
// Return nonzero if it was disabled, or zero if it wasn't:
return bIsDisabled;
}
/*
* 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(PWND Window)
{
PWND 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), USERTAG_WINDOWLIST);
if(!List)
{
ERR("Failed to allocate memory for children array\n");
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
return NULL;
}
Index = 0;
for (Child = Window->spwndChild; Child; Child = Child->spwndNext)
{
List[Index++] = UserHMGetHandle(Child);
}
List[Index] = NULL;
return List;
}
static BOOL
IntWndIsDefaultIme(_In_ PWND Window)
{
PTHREADINFO pti = Window->head.pti;
return (IS_IMM_MODE() && !(pti->TIF_flags & TIF_INCLEANUP) &&
Window == pti->spwndDefaultIme);
}
HWND* FASTCALL
IntWinListOwnedPopups(PWND Window)
{
PWND Child, Desktop;
HWND *List;
UINT Index, NumOwned = 0;
Desktop = co_GetDesktopWindow(Window);
if (!Desktop)
return NULL;
for (Child = Desktop->spwndChild; Child; Child = Child->spwndNext)
{
if (Child->spwndOwner == Window && !IntWndIsDefaultIme(Child))
++NumOwned;
}
List = ExAllocatePoolWithTag(PagedPool, (NumOwned + 1) * sizeof(HWND), USERTAG_WINDOWLIST);
if (!List)
{
ERR("Failed to allocate memory for children array\n");
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
return NULL;
}
Index = 0;
for (Child = Desktop->spwndChild; Child; Child = Child->spwndNext)
{
if (Child->spwndOwner == Window && !IntWndIsDefaultIme(Child))
List[Index++] = UserHMGetHandle(Child);
}
List[Index] = NULL;
return List;
}
PWND FASTCALL
IntGetNonChildAncestor(PWND pWnd)
{
while(pWnd && (pWnd->style & (WS_CHILD | WS_POPUP)) == WS_CHILD)
pWnd = pWnd->spwndParent;
return pWnd;
}
BOOL FASTCALL
IntIsTopLevelWindow(PWND pWnd)
{
if ( pWnd->spwndParent &&
pWnd->spwndParent == co_GetDesktopWindow(pWnd) ) return TRUE;
return FALSE;
}
BOOL FASTCALL
IntValidateOwnerDepth(PWND Wnd, PWND Owner)
{
INT Depth = 1;
for (;;)
{
if ( !Owner ) return gNestedWindowLimit >= Depth;
if (Owner == Wnd) break;
Owner = Owner->spwndOwner;
Depth++;
}
return FALSE;
}
HWND FASTCALL
IntGetWindow(HWND hWnd,
UINT uCmd)
{
PWND Wnd, FoundWnd;
HWND Ret = NULL;
Wnd = ValidateHwndNoErr(hWnd);
if (!Wnd)
return NULL;
FoundWnd = NULL;
switch (uCmd)
{
case GW_OWNER:
if (Wnd->spwndOwner != NULL)
FoundWnd = Wnd->spwndOwner;
break;
case GW_HWNDFIRST:
if(Wnd->spwndParent != NULL)
{
FoundWnd = Wnd->spwndParent;
if (FoundWnd->spwndChild != NULL)
FoundWnd = FoundWnd->spwndChild;
}
break;
case GW_HWNDNEXT:
if (Wnd->spwndNext != NULL)
FoundWnd = Wnd->spwndNext;
break;
case GW_HWNDPREV:
if (Wnd->spwndPrev != NULL)
FoundWnd = Wnd->spwndPrev;
break;
case GW_CHILD:
if (Wnd->spwndChild != NULL)
FoundWnd = Wnd->spwndChild;
break;
case GW_HWNDLAST:
FoundWnd = Wnd;
while ( FoundWnd->spwndNext != NULL)
FoundWnd = FoundWnd->spwndNext;
break;
default:
Wnd = NULL;
break;
}
if (FoundWnd != NULL)
Ret = UserHMGetHandle(FoundWnd);
return Ret;
}
DWORD FASTCALL IntGetWindowContextHelpId( PWND pWnd )
{
DWORD HelpId;
do
{
HelpId = HandleToUlong(UserGetProp(pWnd, gpsi->atomContextHelpIdProp, TRUE));
if (!HelpId) break;
pWnd = IntGetParent(pWnd);
}
while (pWnd && pWnd->fnid != FNID_DESKTOP);
return HelpId;
}
VOID
FASTCALL
IntRemoveTrackMouseEvent(
PDESKTOP pDesk);
/***********************************************************************
* IntSendDestroyMsg
*/
static void IntSendDestroyMsg(HWND hWnd)
{
PTHREADINFO ti;
PWND Window;
ti = PsGetCurrentThreadWin32Thread();
Window = UserGetWindowObject(hWnd);
if (Window)
{
/*
* Look whether the focus is within the tree of windows
* we will be destroying.
*/
// Rule #1
if ( ti->MessageQueue->spwndActive == Window || // Fixes CORE-106 RegSvr32 exit and return focus to CMD.
(ti->MessageQueue->spwndActive == NULL && ti->MessageQueue == IntGetFocusMessageQueue()) )
{
co_WinPosActivateOtherWindow(Window);
}
/* Fixes CMD properties closing and returning focus to CMD */
if (ti->MessageQueue->spwndFocus == Window)
{
if ((Window->style & (WS_CHILD | WS_POPUP)) == WS_CHILD)
{
co_UserSetFocus(Window->spwndParent);
}
else
{
co_UserSetFocus(NULL);
}
}
if (ti->MessageQueue->CaretInfo.hWnd == UserHMGetHandle(Window))
{
co_IntDestroyCaret(ti);
}
/* If the window being destroyed is currently tracked... */
if (ti->rpdesk && ti->rpdesk->spwndTrack == Window)
{
IntRemoveTrackMouseEvent(ti->rpdesk);
}
}
/* If the window being destroyed is the current clipboard owner... */
if (ti->ppi->prpwinsta != NULL && Window == ti->ppi->prpwinsta->spwndClipOwner)
{
/* ... make it release the clipboard */
UserClipboardRelease(Window);
}
/* 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 (IntIsWindow(hWnd))
{
HWND* pWndArray;
int i;
if (!(pWndArray = IntWinListChildren( Window ))) return;
for (i = 0; pWndArray[i]; i++)
{
if (IntIsWindow( pWndArray[i] )) IntSendDestroyMsg( pWndArray[i] );
}
ExFreePoolWithTag(pWndArray, USERTAG_WINDOWLIST);
}
else
{
TRACE("destroyed itself while in WM_DESTROY!\n");
}
}
static VOID
UserFreeWindowInfo(PTHREADINFO ti, PWND Wnd)
{
PCLIENTINFO ClientInfo = GetWin32ClientInfo();
if (!Wnd) return;
if (ClientInfo->CallbackWnd.pWnd == DesktopHeapAddressToUser(Wnd))
{
ClientInfo->CallbackWnd.hWnd = NULL;
ClientInfo->CallbackWnd.pWnd = 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->hWnd = NULL;
}
/***********************************************************************
* co_UserFreeWindow
*
* Destroy storage associated to a window. "Internals" p.358
*
* This is the "functional" DestroyWindows function i.e. all stuff
* done in CreateWindow is undone here and not in DestroyWindow :-P
*/
LRESULT co_UserFreeWindow(PWND Window,
PPROCESSINFO ProcessData,
PTHREADINFO ThreadData,
BOOLEAN SendMessages)
{
HWND *Children;
HWND *ChildHandle;
PWND Child;
PMENU Menu;
BOOLEAN BelongsToThreadData;
USER_REFERENCE_ENTRY Ref;
ASSERT(Window);
if(Window->state2 & WNDS2_INDESTROY)
{
TRACE("Tried to call co_UserFreeWindow() twice\n");
return 0;
}
Window->state2 |= WNDS2_INDESTROY;
Window->style &= ~WS_VISIBLE;
Window->head.pti->cVisWindows--;
/* 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 co_UserFreeWindow() */
if (!IsListEmpty(&Window->ThreadListEntry))
RemoveEntryList(&Window->ThreadListEntry);
BelongsToThreadData = IntWndBelongsToThread(Window, ThreadData);
IntDeRegisterShellHookWindow(UserHMGetHandle(Window));
/* 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 */
co_IntSendMessage( UserHMGetHandle(Child), WM_ASYNC_DESTROYWINDOW, 0, 0 );
}
else
co_UserFreeWindow(Child, ProcessData, ThreadData, SendMessages);
UserDereferenceObject(Child);
}
}
ExFreePoolWithTag(Children, USERTAG_WINDOWLIST);
}
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(UserHMGetHandle(Window), WM_NCDESTROY, 0, 0);
}
UserClipboardFreeWindow(Window);
DestroyTimersForWindow(ThreadData, Window);
/* Unregister hot keys */
UnregisterWindowHotKeys(Window);
/* flush the message queue */
MsqRemoveWindowMessagesFromQueue(Window);
/* from now on no messages can be sent to this window anymore */
Window->state |= WNDS_DESTROYED;
Window->fnid |= FNID_FREED;
/* don't remove the WINDOWSTATUS_DESTROYING bit */
/* reset shell window handles */
if (ThreadData->rpdesk)
{
if (UserHMGetHandle(Window) == ThreadData->rpdesk->rpwinstaParent->ShellWindow)
ThreadData->rpdesk->rpwinstaParent->ShellWindow = NULL;
if (UserHMGetHandle(Window) == ThreadData->rpdesk->rpwinstaParent->ShellListView)
ThreadData->rpdesk->rpwinstaParent->ShellListView = NULL;
}
if (ThreadData->spwndDefaultIme &&
ThreadData->spwndDefaultIme->spwndOwner == Window)
{
WndSetOwner(ThreadData->spwndDefaultIme, NULL);
}
if (IS_IMM_MODE() && Window == ThreadData->spwndDefaultIme)
{
UserAssignmentUnlock((PVOID*)&(ThreadData->spwndDefaultIme));
}
/* Fixes dialog test_focus breakage due to r66237. */
if (ThreadData->MessageQueue->spwndFocus == Window)
ThreadData->MessageQueue->spwndFocus = NULL;
if (ThreadData->MessageQueue->spwndActive == Window)
ThreadData->MessageQueue->spwndActive = NULL;
if (ThreadData->MessageQueue->spwndCapture == Window)
{
IntReleaseCapture();
}
//// Now kill those remaining "PAINTING BUG: Thread marked as containing dirty windows" spam!!!
if ( Window->hrgnUpdate != NULL || Window->state & WNDS_INTERNALPAINT )
{
MsqDecPaintCountQueue(Window->head.pti);
if (Window->hrgnUpdate > HRGN_WINDOW && GreIsHandleValid(Window->hrgnUpdate))
{
IntGdiSetRegionOwner(Window->hrgnUpdate, GDI_OBJ_HMGR_POWNED);
GreDeleteObject(Window->hrgnUpdate);
}
Window->hrgnUpdate = NULL;
Window->state &= ~WNDS_INTERNALPAINT;
}
if (Window->state & (WNDS_SENDERASEBACKGROUND|WNDS_SENDNCPAINT))
{
Window->state &= ~(WNDS_SENDERASEBACKGROUND|WNDS_SENDNCPAINT);
}
if ( ((Window->style & (WS_CHILD|WS_POPUP)) != WS_CHILD) &&
Window->IDMenu &&
(Menu = UserGetMenuObject((HMENU)Window->IDMenu)))
{
TRACE("UFW: IDMenu %p\n",Window->IDMenu);
IntDestroyMenuObject(Menu, TRUE);
Window->IDMenu = 0;
}
if (Window->SystemMenu
&& (Menu = UserGetMenuObject(Window->SystemMenu)))
{
IntDestroyMenuObject(Menu, TRUE);
Window->SystemMenu = (HMENU)0;
}
DceFreeWindowDCE(Window); /* Always do this to catch orphaned DCs */
IntUnlinkWindow(Window);
if (Window->PropListItems)
{
UserRemoveWindowProps(Window);
TRACE("Window->PropListItems %lu\n",Window->PropListItems);
ASSERT(Window->PropListItems==0);
}
/* Kill any reference to linked windows. Prev & Next are taken care of in IntUnlinkWindow */
WndSetOwner(Window, NULL);
WndSetParent(Window, NULL);
WndSetChild(Window, NULL);
WndSetLastActive(Window, NULL);
UserRefObjectCo(Window, &Ref);
UserMarkObjectDestroy(Window);
IntDestroyScrollBars(Window);
if (Window->pcls->atomClassName == gaGuiConsoleWndClass)
{
/* Count only console windows manually */
co_IntUserManualGuiCheck(FALSE);
}
/* dereference the class */
NT_ASSERT(Window->head.pti != NULL);
IntDereferenceClass(Window->pcls,
Window->head.pti->pDeskInfo,
Window->head.pti->ppi);
Window->pcls = NULL;
if (Window->hrgnClip)
{
IntGdiSetRegionOwner(Window->hrgnClip, GDI_OBJ_HMGR_POWNED);
GreDeleteObject(Window->hrgnClip);
Window->hrgnClip = NULL;
}
Window->head.pti->cWindows--;
// ASSERT(Window != NULL);
UserFreeWindowInfo(Window->head.pti, Window);
UserDerefObjectCo(Window);
UserDeleteObject(UserHMGetHandle(Window), TYPE_WINDOW);
return 0;
}
//
// Same as User32:IntGetWndProc.
//
WNDPROC FASTCALL
IntGetWindowProc(PWND pWnd,
BOOL Ansi)
{
INT i;
PCLS Class;
WNDPROC gcpd, Ret = 0;
ASSERT(UserIsEnteredExclusive());
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, TYPE_CALLPROC);
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;
}
/* INTERNAL ******************************************************************/
////
// This fixes a check for children messages that need paint while searching the parents messages!
// Fixes wine msg:test_paint_messages:WmParentErasePaint ..
////
BOOL FASTCALL
IntIsChildWindow(PWND Parent, PWND BaseWindow)
{
PWND Window = BaseWindow;
do
{
if ( Window == NULL || (Window->style & (WS_POPUP|WS_CHILD)) != WS_CHILD )
return FALSE;
Window = Window->spwndParent;
}
while(Parent != Window);
return TRUE;
}
////
/* Link the window into siblings list. Children and parent are kept in place. */
VOID FASTCALL
IntLinkWindow(
PWND Wnd,
PWND WndInsertAfter /* Set to NULL if top sibling */
)
{
if (Wnd == WndInsertAfter)
{
ERR("Trying to link window 0x%p to itself\n", Wnd);
ASSERT(WndInsertAfter != Wnd);
return;
}
WndSetPrev(Wnd, WndInsertAfter);
if (Wnd->spwndPrev)
{
/* Link after WndInsertAfter */
ASSERT(Wnd != WndInsertAfter->spwndNext);
WndSetNext(Wnd, WndInsertAfter->spwndNext);
if (Wnd->spwndNext)
WndSetPrev(Wnd->spwndNext, Wnd);
ASSERT(Wnd != Wnd->spwndPrev);
WndSetNext(Wnd->spwndPrev, Wnd);
}
else
{
/* Link at the top */
ASSERT(Wnd != Wnd->spwndParent->spwndChild);
WndSetNext(Wnd, Wnd->spwndParent->spwndChild);
if (Wnd->spwndNext)
WndSetPrev(Wnd->spwndNext, Wnd);
WndSetChild(Wnd->spwndParent, Wnd);
}
}
/*
Note: Wnd->spwndParent can be null if it is the desktop.
*/
VOID FASTCALL IntLinkHwnd(PWND Wnd, HWND hWndPrev)
{
if (hWndPrev == HWND_NOTOPMOST)
{
if (!(Wnd->ExStyle & WS_EX_TOPMOST) && (Wnd->ExStyle2 & WS_EX2_LINKED))
return; /* nothing to do */
Wnd->ExStyle &= ~WS_EX_TOPMOST;
hWndPrev = HWND_TOP; /* fallback to the HWND_TOP case */
}
IntUnlinkWindow(Wnd); /* unlink it from the previous location */
if (hWndPrev == HWND_BOTTOM)
{
/* Link in the bottom of the list */
PWND WndInsertAfter;
WndInsertAfter = Wnd->spwndParent->spwndChild;
while (WndInsertAfter && WndInsertAfter->spwndNext)
{
WndInsertAfter = WndInsertAfter->spwndNext;
}
IntLinkWindow(Wnd, WndInsertAfter);
Wnd->ExStyle &= ~WS_EX_TOPMOST;
}
else if (hWndPrev == HWND_TOPMOST)
{
/* Link in the top of the list */
IntLinkWindow(Wnd, NULL);
Wnd->ExStyle |= WS_EX_TOPMOST;
}
else if (hWndPrev == HWND_TOP)
{
/* Link it after the last topmost window */
PWND WndInsertBefore;
WndInsertBefore = Wnd->spwndParent->spwndChild;
if (!(Wnd->ExStyle & WS_EX_TOPMOST)) /* put it above the first non-topmost window */
{
while (WndInsertBefore != NULL && WndInsertBefore->spwndNext != NULL)
{
if (!(WndInsertBefore->ExStyle & WS_EX_TOPMOST))
break;
if (WndInsertBefore == Wnd->spwndOwner) /* keep it above owner */
{
Wnd->ExStyle |= WS_EX_TOPMOST;
break;
}
WndInsertBefore = WndInsertBefore->spwndNext;
}
}
IntLinkWindow(Wnd, WndInsertBefore ? WndInsertBefore->spwndPrev : NULL);
}
else
{
/* Link it after hWndPrev */
PWND WndInsertAfter;
WndInsertAfter = UserGetWindowObject(hWndPrev);
/* Are we called with an erroneous handle */
if (WndInsertAfter == NULL)
{
/* Link in a default position */
IntLinkHwnd(Wnd, HWND_TOP);
return;
}
if (Wnd == WndInsertAfter)
{
ERR("Trying to link window 0x%p to itself\n", Wnd);
ASSERT(WndInsertAfter != Wnd);
// FIXME: IntUnlinkWindow(Wnd) was already called. Continuing as is seems wrong!
}
else
{
IntLinkWindow(Wnd, WndInsertAfter);
}
/* Fix the WS_EX_TOPMOST flag */
if (!(WndInsertAfter->ExStyle & WS_EX_TOPMOST))
{
Wnd->ExStyle &= ~WS_EX_TOPMOST;
}
else
{
if (WndInsertAfter->spwndNext &&
(WndInsertAfter->spwndNext->ExStyle & WS_EX_TOPMOST))
{
Wnd->ExStyle |= WS_EX_TOPMOST;
}
}
}
Wnd->ExStyle2 |= WS_EX2_LINKED;
}
VOID FASTCALL
IntProcessOwnerSwap(PWND Wnd, PWND WndNewOwner, PWND WndOldOwner)
{
if (WndOldOwner)
{
if (Wnd->head.pti != WndOldOwner->head.pti)
{
if (!WndNewOwner ||
Wnd->head.pti == WndNewOwner->head.pti ||
WndOldOwner->head.pti != WndNewOwner->head.pti )
{
//ERR("ProcessOwnerSwap Old out.\n");
UserAttachThreadInput(Wnd->head.pti, WndOldOwner->head.pti, FALSE);
}
}
}
if (WndNewOwner)
{
if (Wnd->head.pti != WndNewOwner->head.pti)
{
if (!WndOldOwner ||
WndOldOwner->head.pti != WndNewOwner->head.pti )
{
//ERR("ProcessOwnerSwap New in.\n");
UserAttachThreadInput(Wnd->head.pti, WndNewOwner->head.pti, TRUE);
}
}
}
// FIXME: System Tray checks.
}
static
HWND FASTCALL
IntSetOwner(HWND hWnd, HWND hWndNewOwner)
{
PWND Wnd, WndOldOwner, WndNewOwner;
HWND ret;
Wnd = IntGetWindowObject(hWnd);
if(!Wnd)
return NULL;
WndOldOwner = Wnd->spwndOwner;
ret = WndOldOwner ? UserHMGetHandle(WndOldOwner) : 0;
WndNewOwner = UserGetWindowObject(hWndNewOwner);
if (!WndNewOwner && hWndNewOwner)
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ret = NULL;
goto Error;
}
/* if parent belongs to a different thread and the window isn't */
/* top-level, attach the two threads */
IntProcessOwnerSwap(Wnd, WndNewOwner, WndOldOwner);
if (IntValidateOwnerDepth(Wnd, WndNewOwner))
{
WndSetOwner(Wnd, WndNewOwner);
}
else
{
IntProcessOwnerSwap(Wnd, WndOldOwner, WndNewOwner);
EngSetLastError(ERROR_INVALID_PARAMETER);
ret = NULL;
}
Error:
UserDereferenceObject(Wnd);
return ret;
}
PWND FASTCALL
co_IntSetParent(PWND Wnd, PWND WndNewParent)
{
PWND WndOldParent, pWndExam;
BOOL WasVisible;
POINT pt;
int swFlags = SWP_NOSIZE|SWP_NOZORDER;
ASSERT(Wnd);
ASSERT(WndNewParent);
ASSERT_REFS_CO(Wnd);
ASSERT_REFS_CO(WndNewParent);
if (Wnd == Wnd->head.rpdesk->spwndMessage)
{
EngSetLastError(ERROR_ACCESS_DENIED);
return NULL;
}
/* Some applications try to set a child as a parent */
if (IntIsChildWindow(Wnd, WndNewParent))
{
TRACE("IntSetParent try to set a child as a parent.\n");
EngSetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
pWndExam = WndNewParent; // Load parent Window to examine.
// Now test for set parent to parent hit.
while (pWndExam)
{
if (Wnd == pWndExam)
{
TRACE("IntSetParent Failed Test for set parent to parent!\n");
EngSetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
pWndExam = pWndExam->spwndParent;
}
/*
* Windows hides the window first, then shows it again
* including the WM_SHOWWINDOW messages and all
*/
WasVisible = co_WinPosShowWindow(Wnd, SW_HIDE);
/* Window must belong to current process */
if (Wnd->head.pti->ppi != PsGetCurrentProcessWin32Process())
{
ERR("IntSetParent Window must belong to current process!\n");
return NULL;
}
WndOldParent = Wnd->spwndParent;
if ( WndOldParent &&
WndOldParent->ExStyle & WS_EX_LAYOUTRTL)
pt.x = Wnd->rcWindow.right;
else
pt.x = Wnd->rcWindow.left;
pt.y = Wnd->rcWindow.top;
IntScreenToClient(WndOldParent, &pt);
if (WndOldParent) UserReferenceObject(WndOldParent); /* Caller must deref */
/* Even if WndNewParent == WndOldParent continue because the
* child window (Wnd) should be moved to the top of the z-order */
/* Unlink the window from the siblings list */
IntUnlinkWindow(Wnd);
Wnd->ExStyle2 &= ~WS_EX2_LINKED;
/* Set the new parent */
WndSetParent(Wnd, WndNewParent);
if (Wnd->style & WS_CHILD &&
Wnd->spwndOwner &&
Wnd->spwndOwner->ExStyle & WS_EX_TOPMOST)
{
ERR("SetParent Top Most from Pop up\n");
Wnd->ExStyle |= WS_EX_TOPMOST;
}
/* Link the window with its new siblings */
IntLinkHwnd(Wnd,
((0 == (Wnd->ExStyle & WS_EX_TOPMOST) &&
UserIsDesktopWindow(WndNewParent)) ? HWND_TOP : HWND_TOPMOST));
if ( WndNewParent == co_GetDesktopWindow(Wnd) &&
!(Wnd->style & WS_CLIPSIBLINGS) )
{
Wnd->style |= WS_CLIPSIBLINGS;
DceResetActiveDCEs(Wnd);
}
/* if parent belongs to a different thread and the window isn't */
/* top-level, attach the two threads */
if ((Wnd->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
{
if ( Wnd->spwndParent != co_GetDesktopWindow(Wnd))
{
if (WndOldParent && (Wnd->head.pti != WndOldParent->head.pti))
{
//ERR("SetParent Old out.\n");
UserAttachThreadInput(Wnd->head.pti, WndOldParent->head.pti, FALSE);
}
}
if ( WndNewParent != co_GetDesktopWindow(Wnd))
{
if (Wnd->head.pti != WndNewParent->head.pti)
{
//ERR("SetParent New in.\n");
UserAttachThreadInput(Wnd->head.pti, WndNewParent->head.pti, TRUE);
}
}
}
if (UserIsMessageWindow(WndOldParent) || UserIsMessageWindow(WndNewParent))
swFlags |= SWP_NOACTIVATE;
IntNotifyWinEvent(EVENT_OBJECT_PARENTCHANGE, Wnd ,OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
/*
* SetParent additionally needs to make hwnd the top window
* in the z-order and send the expected WM_WINDOWPOSCHANGING and
* WM_WINDOWPOSCHANGED notification messages.
*/
//ERR("IntSetParent SetWindowPos 1\n");
co_WinPosSetWindowPos( Wnd,
(0 == (Wnd->ExStyle & WS_EX_TOPMOST) ? HWND_TOP : HWND_TOPMOST),
pt.x, pt.y, 0, 0, swFlags);
//ERR("IntSetParent SetWindowPos 2 X %d Y %d\n",pt.x, pt.y);
if (WasVisible) co_WinPosShowWindow(Wnd, SW_SHOWNORMAL);
return WndOldParent;
}
// Win: xxxSetParent
HWND FASTCALL
co_UserSetParent(HWND hWndChild, HWND hWndNewParent)
{
PWND Wnd = NULL, WndParent = NULL, WndOldParent;
HWND hWndOldParent = NULL;
USER_REFERENCE_ENTRY Ref, ParentRef;
if (IntIsBroadcastHwnd(hWndChild) || IntIsBroadcastHwnd(hWndNewParent))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
if (hWndChild == IntGetDesktopWindow())
{
ERR("UserSetParent Access Denied!\n");
EngSetLastError(ERROR_ACCESS_DENIED);
return NULL;
}
if (hWndNewParent)
{
if (!(WndParent = UserGetWindowObject(hWndNewParent)))
{
ERR("UserSetParent Bad New Parent!\n");
return NULL;
}
}
else
{
if (!(WndParent = UserGetWindowObject(IntGetDesktopWindow())))
{
return NULL;
}
}
if (!(Wnd = UserGetWindowObject(hWndChild)))
{
ERR("UserSetParent Bad Child!\n");
return NULL;
}
UserRefObjectCo(Wnd, &Ref);
UserRefObjectCo(WndParent, &ParentRef);
//ERR("Enter co_IntSetParent\n");
WndOldParent = co_IntSetParent(Wnd, WndParent);
//ERR("Leave co_IntSetParent\n");
UserDerefObjectCo(WndParent);
UserDerefObjectCo(Wnd);
if (WndOldParent)
{
hWndOldParent = UserHMGetHandle(WndOldParent);
UserDereferenceObject(WndOldParent);
}
return hWndOldParent;
}
/* Unlink the window from siblings. Children and parent are kept in place. */
VOID FASTCALL
IntUnlinkWindow(PWND Wnd)
{
ASSERT(Wnd != Wnd->spwndNext);
ASSERT(Wnd != Wnd->spwndPrev);
if (Wnd->spwndNext)
WndSetPrev(Wnd->spwndNext, Wnd->spwndPrev);
if (Wnd->spwndPrev)
WndSetNext(Wnd->spwndPrev, Wnd->spwndNext);
if (Wnd->spwndParent && Wnd->spwndParent->spwndChild == Wnd)
WndSetChild(Wnd->spwndParent, Wnd->spwndNext);
WndSetPrev(Wnd, NULL);
WndSetNext(Wnd, NULL);
}
// Win: ExpandWindowList
BOOL FASTCALL IntGrowHwndList(PWINDOWLIST *ppwl)
{
PWINDOWLIST pwlOld, pwlNew;
SIZE_T ibOld, ibNew;
#define GROW_COUNT 8
pwlOld = *ppwl;
ibOld = (LPBYTE)pwlOld->phwndLast - (LPBYTE)pwlOld;
ibNew = ibOld + GROW_COUNT * sizeof(HWND);
#undef GROW_COUNT
pwlNew = IntReAllocatePoolWithTag(PagedPool, pwlOld, ibOld, ibNew, USERTAG_WINDOWLIST);
if (!pwlNew)
return FALSE;
pwlNew->phwndLast = (HWND *)((LPBYTE)pwlNew + ibOld);
pwlNew->phwndEnd = (HWND *)((LPBYTE)pwlNew + ibNew);
*ppwl = pwlNew;
return TRUE;
}
// Win: InternalBuildHwndList
PWINDOWLIST FASTCALL IntPopulateHwndList(PWINDOWLIST pwl, PWND pwnd, DWORD dwFlags)
{
ASSERT(!WL_IS_BAD(pwl));
for (; pwnd; pwnd = pwnd->spwndNext)
{
if (!pwl->pti || pwl->pti == pwnd->head.pti)
{
*(pwl->phwndLast) = UserHMGetHandle(pwnd);
++(pwl->phwndLast);
if (pwl->phwndLast == pwl->phwndEnd && !IntGrowHwndList(&pwl))
break;
}
if ((dwFlags & IACE_CHILDREN) && pwnd->spwndChild)
{
pwl = IntPopulateHwndList(pwl, pwnd->spwndChild, IACE_CHILDREN | IACE_LIST);
if (WL_IS_BAD(pwl))
break;
}
if (!(dwFlags & IACE_LIST))
break;
}
return pwl;
}
// Win: BuildHwndList
PWINDOWLIST FASTCALL IntBuildHwndList(PWND pwnd, DWORD dwFlags, PTHREADINFO pti)
{
PWINDOWLIST pwl;
DWORD cbWL;
if (gpwlCache)
{
pwl = gpwlCache;
gpwlCache = NULL;
}
else
{
#define INITIAL_COUNT 32
cbWL = sizeof(WINDOWLIST) + (INITIAL_COUNT - 1) * sizeof(HWND);
pwl = ExAllocatePoolWithTag(PagedPool, cbWL, USERTAG_WINDOWLIST);
if (!pwl)
return NULL;
pwl->phwndEnd = &pwl->ahwnd[INITIAL_COUNT];
#undef INITIAL_COUNT
}
pwl->pti = pti;
pwl->phwndLast = pwl->ahwnd;
pwl = IntPopulateHwndList(pwl, pwnd, dwFlags);
if (WL_IS_BAD(pwl))
{
ExFreePoolWithTag(pwl, USERTAG_WINDOWLIST);
return NULL;
}
*(pwl->phwndLast) = HWND_TERMINATOR;
if (dwFlags & 0x8)
{
// TODO:
}
pwl->pti = GetW32ThreadInfo();
pwl->pNextList = gpwlList;
gpwlList = pwl;
return pwl;
}
// Win: FreeHwndList
VOID FASTCALL IntFreeHwndList(PWINDOWLIST pwlTarget)
{
PWINDOWLIST pwl, *ppwl;
for (ppwl = &gpwlList; *ppwl; ppwl = &(*ppwl)->pNextList)
{
if (*ppwl != pwlTarget)
continue;
*ppwl = pwlTarget->pNextList;
if (gpwlCache)
{
if (WL_CAPACITY(pwlTarget) > WL_CAPACITY(gpwlCache))
{
pwl = gpwlCache;
gpwlCache = pwlTarget;
ExFreePoolWithTag(pwl, USERTAG_WINDOWLIST);
}
else
{
ExFreePoolWithTag(pwlTarget, USERTAG_WINDOWLIST);
}
}
else
{
gpwlCache = pwlTarget;
}
break;
}
}
/* FUNCTIONS *****************************************************************/
/*
* 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
NTAPI
NtUserBuildHwndList(
HDESK hDesktop,
HWND hwndParent,
BOOLEAN bChildren,
ULONG dwThreadId,
ULONG cHwnd,
HWND* phwndList,
ULONG* pcHwndNeeded)
{
NTSTATUS Status;
ULONG dwCount = 0;
if (pcHwndNeeded == NULL)
return STATUS_INVALID_PARAMETER;
UserEnterExclusive();
if (hwndParent || !dwThreadId)
{
PDESKTOP Desktop;
PWND Parent, Window;
if(!hwndParent)
{
if(hDesktop == NULL && !(Desktop = IntGetActiveDesktop()))
{
Status = STATUS_INVALID_HANDLE;
goto Quit;
}
if(hDesktop)
{
Status = IntValidateDesktopHandle(hDesktop,
UserMode,
0,
&Desktop);
if(!NT_SUCCESS(Status))
{
Status = STATUS_INVALID_HANDLE;
goto Quit;
}
}
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++ < cHwnd && phwndList)
{
_SEH2_TRY
{
ProbeForWrite(phwndList, sizeof(HWND), 1);
*phwndList = UserHMGetHandle(Window);
phwndList++;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Status = _SEH2_GetExceptionCode();
}
_SEH2_END
if(!NT_SUCCESS(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 // Build EnumThreadWindows list!
{
PETHREAD Thread;
PTHREADINFO W32Thread;
PWND Window;
HWND *List = NULL;
Status = PsLookupThreadByThreadId(UlongToHandle(dwThreadId), &Thread);
if (!NT_SUCCESS(Status))
{
ERR("Thread Id is not valid!\n");
Status = STATUS_INVALID_PARAMETER;
goto Quit;
}
if (!(W32Thread = (PTHREADINFO)Thread->Tcb.Win32Thread))
{
ObDereferenceObject(Thread);
TRACE("Tried to enumerate windows of a non gui thread\n");
Status = STATUS_INVALID_PARAMETER;
goto Quit;
}
// Do not use Thread link list due to co_UserFreeWindow!!!
// Current = W32Thread->WindowListHead.Flink;
// Fixes Api:CreateWindowEx tests!!!
List = IntWinListChildren(UserGetDesktopWindow());
if (List)
{
int i;
for (i = 0; List[i]; i++)
{
Window = ValidateHwndNoErr(List[i]);
if (Window && Window->head.pti == W32Thread)
{
if (dwCount < cHwnd && phwndList)
{
_SEH2_TRY
{
ProbeForWrite(phwndList, sizeof(HWND), 1);
*phwndList = UserHMGetHandle(Window);
phwndList++;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Status = _SEH2_GetExceptionCode();
}
_SEH2_END
if (!NT_SUCCESS(Status))
{
ERR("Failure to build window list!\n");
break;
}
}
dwCount++;
}
}
ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
}
ObDereferenceObject(Thread);
}
*pcHwndNeeded = dwCount;
Status = STATUS_SUCCESS;
Quit:
SetLastNtError(Status);
UserLeave();
return Status;
}
static void IntSendParentNotify( PWND pWindow, UINT msg )
{
if ( (pWindow->style & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
!(pWindow->ExStyle & WS_EX_NOPARENTNOTIFY))
{
if (VerifyWnd(pWindow->spwndParent) && !UserIsDesktopWindow(pWindow->spwndParent))
{
USER_REFERENCE_ENTRY Ref;
UserRefObjectCo(pWindow->spwndParent, &Ref);
co_IntSendMessage( UserHMGetHandle(pWindow->spwndParent),
WM_PARENTNOTIFY,
MAKEWPARAM( msg, pWindow->IDMenu),
(LPARAM)UserHMGetHandle(pWindow) );
UserDerefObjectCo(pWindow->spwndParent);
}
}
}
void FASTCALL
IntFixWindowCoordinates(CREATESTRUCTW* Cs, PWND 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)))
{
PMONITOR pMonitor;
PRTL_USER_PROCESS_PARAMETERS ProcessParams;
pMonitor = UserGetPrimaryMonitor();
/* Check if we don't have a monitor attached yet */
if(pMonitor == NULL)
{
Cs->x = Cs->y = 0;
Cs->cx = 800;
Cs->cy = 600;
return;
}
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 = pMonitor->cWndStack * (UserGetSystemMetrics(SM_CXSIZE) + UserGetSystemMetrics(SM_CXFRAME));
Cs->y = pMonitor->cWndStack * (UserGetSystemMetrics(SM_CYSIZE) + UserGetSystemMetrics(SM_CYFRAME));
if (Cs->x > ((pMonitor->rcWork.right - pMonitor->rcWork.left) / 4) ||
Cs->y > ((pMonitor->rcWork.bottom - pMonitor->rcWork.top) / 4))
{
/* reset counter and position */
Cs->x = 0;
Cs->y = 0;
pMonitor->cWndStack = 0;
}
pMonitor->cWndStack++;
}
}
if (IS_DEFAULT(Cs->cx))
{
if (ProcessParams->WindowFlags & STARTF_USEPOSITION)
{
Cs->cx = ProcessParams->CountX;
Cs->cy = ProcessParams->CountY;
}
else
{
Cs->cx = (pMonitor->rcWork.right - pMonitor->rcWork.left) * 3 / 4;
Cs->cy = (pMonitor->rcWork.bottom - pMonitor->rcWork.top) * 3 / 4;
}
}
/* 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))
{
TRACE("Strange use of CW_USEDEFAULT in nHeight\n");
Cs->cy = (pMonitor->rcWork.bottom - pMonitor->rcWork.top) * 3 / 4;
}
}
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 */
PWND FASTCALL IntCreateWindow(CREATESTRUCTW* Cs,
PLARGE_STRING WindowName,
PCLS Class,
PWND ParentWindow,
PWND OwnerWindow,
PVOID acbiBuffer,
PDESKTOP pdeskCreated,
DWORD dwVer )
{
PWND pWnd = NULL;
HWND hWnd;
PTHREADINFO pti;
BOOL MenuChanged;
BOOL bUnicodeWindow;
PCALLPROCDATA pcpd;
pti = pdeskCreated ? gptiDesktopThread : GetW32ThreadInfo();
if (!(Cs->dwExStyle & WS_EX_LAYOUTRTL))
{ // Need both here for wine win.c test_CreateWindow.
//if (Cs->hwndParent && ParentWindow)
if (ParentWindow) // It breaks more tests..... WIP.
{
if ( (Cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD &&
ParentWindow->ExStyle & WS_EX_LAYOUTRTL &&
!(ParentWindow->ExStyle & WS_EX_NOINHERITLAYOUT) )
Cs->dwExStyle |= WS_EX_LAYOUTRTL;
}
else
{ /*
* Note from MSDN <http://msdn.microsoft.com/en-us/library/aa913269.aspx>:
*
* Dialog boxes and message boxes do not inherit layout, so you must
* set the layout explicitly.
*/
if ( Class->fnid != FNID_DIALOG )
{
if (pti->ppi->dwLayout & LAYOUT_RTL)
{
Cs->dwExStyle |= WS_EX_LAYOUTRTL;
}
}
}
}
/* 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 */
pWnd = (PWND) UserCreateObject( gHandleTable,
pdeskCreated ? pdeskCreated : pti->rpdesk,
pti,
(PHANDLE)&hWnd,
TYPE_WINDOW,
sizeof(WND) + Class->cbwndExtra);
if (!pWnd)
{
goto AllocError;
}
TRACE("Created window object with handle %p\n", hWnd);
if (pdeskCreated && pdeskCreated->DesktopWindow == NULL )
{ /* HACK: Helper for win32csr/desktopbg.c */
/* If there is no desktop window yet, we must be creating it */
TRACE("CreateWindow setting desktop.\n");
pdeskCreated->DesktopWindow = hWnd;
pdeskCreated->pDeskInfo->spwnd = pWnd;
}
/*
* Fill out the structure describing it.
*/
/* Remember, pWnd->head is setup in object.c ... */
WndSetParent(pWnd, ParentWindow);
WndSetOwner(pWnd, OwnerWindow);
pWnd->fnid = 0;
WndSetLastActive(pWnd, pWnd);
// Ramp up compatible version sets.
if ( dwVer >= WINVER_WIN31 )
{
pWnd->state2 |= WNDS2_WIN31COMPAT;
if ( dwVer >= WINVER_WINNT4 )
{
pWnd->state2 |= WNDS2_WIN40COMPAT;
if ( dwVer >= WINVER_WIN2K )
{
pWnd->state2 |= WNDS2_WIN50COMPAT;
}
}
}
pWnd->pcls = Class;
pWnd->hModule = Cs->hInstance;
pWnd->style = Cs->style & ~WS_VISIBLE;
pWnd->ExStyle = Cs->dwExStyle;
pWnd->cbwndExtra = pWnd->pcls->cbwndExtra;
pWnd->pActCtx = acbiBuffer;
if (pti->spDefaultImc && Class->atomClassName != gpsi->atomSysClass[ICLS_BUTTON])
pWnd->hImc = UserHMGetHandle(pti->spDefaultImc);
pWnd->InternalPos.MaxPos.x = pWnd->InternalPos.MaxPos.y = -1;
pWnd->InternalPos.IconPos.x = pWnd->InternalPos.IconPos.y = -1;
if (pWnd->spwndParent != NULL && Cs->hwndParent != 0)
{
pWnd->HideFocus = pWnd->spwndParent->HideFocus;
pWnd->HideAccel = pWnd->spwndParent->HideAccel;
}
InitializeListHead(&pWnd->ThreadListEntry);
pWnd->head.pti->cWindows++;
if (Class->spicn && !Class->spicnSm)
{
HICON IconSmHandle = NULL;
if((Class->spicn->CURSORF_flags & (CURSORF_LRSHARED | CURSORF_FROMRESOURCE))
== (CURSORF_LRSHARED | CURSORF_FROMRESOURCE))
{
IconSmHandle = co_IntCopyImage(
UserHMGetHandle(Class->spicn),
IMAGE_ICON,
UserGetSystemMetrics( SM_CXSMICON ),
UserGetSystemMetrics( SM_CYSMICON ),
LR_COPYFROMRESOURCE);
}
if (!IconSmHandle)
{
/* Retry without copying from resource */
IconSmHandle = co_IntCopyImage(
UserHMGetHandle(Class->spicn),
IMAGE_ICON,
UserGetSystemMetrics( SM_CXSMICON ),
UserGetSystemMetrics( SM_CYSMICON ),
0);
}
if (IconSmHandle)
{
Class->spicnSm = UserGetCurIconObject(IconSmHandle);
Class->CSF_flags |= CSF_CACHEDSMICON;
}
}
if (pWnd->pcls->CSF_flags & CSF_SERVERSIDEPROC)
pWnd->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.
if (IsCallProcHandle(pWnd->pcls->lpfnWndProc))
{
pcpd = UserGetObject(gHandleTable, pWnd->pcls->lpfnWndProc, TYPE_CALLPROC);
if (pcpd)
pWnd->lpfnWndProc = pcpd->pfnClientPrevious;
}
else
{
pWnd->lpfnWndProc = pWnd->pcls->lpfnWndProc;
}
// GetWindowProc, test for non server side default classes and set WndProc.
if ( pWnd->pcls->fnid <= FNID_GHOST && pWnd->pcls->fnid >= FNID_BUTTON )
{
if (bUnicodeWindow)
{
if (GETPFNCLIENTA(pWnd->pcls->fnid) == pWnd->lpfnWndProc)
pWnd->lpfnWndProc = GETPFNCLIENTW(pWnd->pcls->fnid);
}
else
{
if (GETPFNCLIENTW(pWnd->pcls->fnid) == pWnd->lpfnWndProc)
pWnd->lpfnWndProc = GETPFNCLIENTA(pWnd->pcls->fnid);
}
}
// If not an Unicode caller, set Ansi creator bit.
if (!bUnicodeWindow) pWnd->state |= WNDS_ANSICREATOR;
// Clone Class Ansi/Unicode proc type.
if (pWnd->pcls->CSF_flags & CSF_ANSIPROC)
{
pWnd->state |= WNDS_ANSIWINDOWPROC;
pWnd->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.
pWnd->state |= WNDS_ANSIWINDOWPROC;
pWnd->Unicode = FALSE;
}
else
{ // Set the window Unicode WndProc.
pWnd->state &= ~WNDS_ANSIWINDOWPROC;
pWnd->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(pWnd->head.rpdesk, pWnd->lpfnWndProc, pWnd->Unicode , pWnd->head.pti->ppi);
if (!CallProc)
{
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
ERR("Warning: Unable to create CallProc for edit control. Control may not operate correctly! hwnd %p\n", hWnd);
}
else
{
UserAddCallProcToClass(pWnd->pcls, CallProc);
}
}
InitializeListHead(&pWnd->PropListHead);
pWnd->PropListItems = 0;
if ( WindowName->Buffer != NULL && WindowName->Length > 0 )
{
pWnd->strName.Buffer = DesktopHeapAlloc(pWnd->head.rpdesk,
WindowName->Length + sizeof(UNICODE_NULL));
if (pWnd->strName.Buffer == NULL)
{
goto AllocError;
}
RtlCopyMemory(pWnd->strName.Buffer, WindowName->Buffer, WindowName->Length);
pWnd->strName.Buffer[WindowName->Length / sizeof(WCHAR)] = L'\0';
pWnd->strName.Length = WindowName->Length;
pWnd->strName.MaximumLength = WindowName->Length + sizeof(UNICODE_NULL);
}
/* Correct the window style. */
if ((pWnd->style & (WS_CHILD | WS_POPUP)) != WS_CHILD)
{
pWnd->style |= WS_CLIPSIBLINGS;
if (!(pWnd->style & WS_POPUP))
{
pWnd->style |= WS_CAPTION;
}
}
/* WS_EX_WINDOWEDGE depends on some other styles */
if (pWnd->ExStyle & WS_EX_DLGMODALFRAME)
pWnd->ExStyle |= WS_EX_WINDOWEDGE;
else if (pWnd->style & (WS_DLGFRAME | WS_THICKFRAME))
{
if (!((pWnd->ExStyle & WS_EX_STATICEDGE) &&
(pWnd->style & (WS_CHILD | WS_POPUP))))
pWnd->ExStyle |= WS_EX_WINDOWEDGE;
}
else
pWnd->ExStyle &= ~WS_EX_WINDOWEDGE;
if (!(pWnd->style & (WS_CHILD | WS_POPUP)))
pWnd->state |= WNDS_SENDSIZEMOVEMSGS;
/* Set the window menu */
if ((Cs->style & (WS_CHILD | WS_POPUP)) != WS_CHILD)
{
if (Cs->hMenu)
{
IntSetMenu(pWnd, Cs->hMenu, &MenuChanged);
}
else if (pWnd->pcls->lpszMenuName) // Take it from the parent.
{
UNICODE_STRING MenuName;
HMENU hMenu;
if (IS_INTRESOURCE(pWnd->pcls->lpszMenuName))
{
MenuName.Length = 0;
MenuName.MaximumLength = 0;
MenuName.Buffer = pWnd->pcls->lpszMenuName;
}
else
{
RtlInitUnicodeString( &MenuName, pWnd->pcls->lpszMenuName);
}
hMenu = co_IntCallLoadMenu( pWnd->pcls->hModule, &MenuName);
if (hMenu) IntSetMenu(pWnd, hMenu, &MenuChanged);
}
}
else // Not a child
pWnd->IDMenu = (UINT_PTR)Cs->hMenu;
if ( ParentWindow &&
ParentWindow != ParentWindow->head.rpdesk->spwndMessage &&
ParentWindow != ParentWindow->head.rpdesk->pDeskInfo->spwnd )
{
PWND Owner = IntGetNonChildAncestor(ParentWindow);
if (!IntValidateOwnerDepth(pWnd, Owner))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
goto Error;
}
if ( pWnd->spwndOwner &&
pWnd->spwndOwner->ExStyle & WS_EX_TOPMOST )
{
pWnd->ExStyle |= WS_EX_TOPMOST;
}
if ( pWnd->spwndOwner &&
Class->atomClassName != gpsi->atomSysClass[ICLS_IME] &&
pti != pWnd->spwndOwner->head.pti)
{
//ERR("CreateWindow Owner in.\n");
UserAttachThreadInput(pti, pWnd->spwndOwner->head.pti, TRUE);
}
}
/* Insert the window into the thread's window list. */
InsertTailList (&pti->WindowListHead, &pWnd->ThreadListEntry);
/* Handle "CS_CLASSDC", it is tested first. */
if ( (pWnd->pcls->style & CS_CLASSDC) && !(pWnd->pcls->pdce) )
{ /* One DCE per class to have CLASS. */
pWnd->pcls->pdce = DceAllocDCE( pWnd, DCE_CLASS_DC );
}
else if ( pWnd->pcls->style & CS_OWNDC)
{ /* Allocate a DCE for this window. */
DceAllocDCE(pWnd, DCE_WINDOW_DC);
}
return pWnd;
AllocError:
ERR("IntCreateWindow Allocation Error.\n");
SetLastNtError(STATUS_INSUFFICIENT_RESOURCES);
Error:
if(pWnd)
UserDereferenceObject(pWnd);
return NULL;
}
/*
* @implemented
*/
PWND FASTCALL
co_UserCreateWindowEx(CREATESTRUCTW* Cs,
PUNICODE_STRING ClassName,
PLARGE_STRING WindowName,
PVOID acbiBuffer,
DWORD dwVer )
{
ULONG style;
PWND Window = NULL, ParentWindow = NULL, OwnerWindow;
HWND hWnd, hWndParent, hWndOwner, hwndInsertAfter;
PWINSTATION_OBJECT WinSta;
PCLS Class = NULL;
SIZE Size;
POINT MaxSize, MaxPos, MinTrack, MaxTrack;
CBT_CREATEWNDW * pCbtCreate;
LRESULT Result;
USER_REFERENCE_ENTRY ParentRef, Ref;
PTHREADINFO pti;
DWORD dwShowMode = SW_SHOW;
CREATESTRUCTW *pCsw = NULL;
PVOID pszClass = NULL, pszName = NULL;
PWND ret = NULL;
/* Get the current window station and reference it */
pti = GetW32ThreadInfo();
if (pti == NULL || pti->rpdesk == NULL)
{
ERR("Thread is not attached to a desktop! Cannot create window (%wZ)\n", ClassName);
return NULL; // There is nothing to cleanup.
}
WinSta = pti->rpdesk->rpwinstaParent;
ObReferenceObjectByPointer(WinSta, KernelMode, ExWindowStationObjectType, 0);
pCsw = NULL;
pCbtCreate = NULL;
/* Get the class and reference it */
Class = IntGetAndReferenceClass(ClassName, Cs->hInstance, FALSE);
if(!Class)
{
EngSetLastError(ERROR_CANNOT_FIND_WND_CLASS);
ERR("Failed to find class %wZ\n", ClassName);
goto cleanup;
}
/* Now find the parent and the owner window */
hWndParent = UserHMGetHandle(pti->rpdesk->pDeskInfo->spwnd);
hWndOwner = NULL;
if (Cs->hwndParent == HWND_MESSAGE)
{
Cs->hwndParent = hWndParent = UserHMGetHandle(pti->rpdesk->spwndMessage);
}
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)
{
ERR("Cannot create a child window (%wZ) without a parent\n", ClassName);
EngSetLastError(ERROR_TLW_WITH_WSCHILD);
goto cleanup; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
}
else if (Cs->lpszClass != (LPCWSTR)MAKEINTATOM(gpsi->atomSysClass[ICLS_DESKTOP]) &&
(IS_INTRESOURCE(Cs->lpszClass) ||
Cs->lpszClass != (LPCWSTR)MAKEINTATOM(gpsi->atomSysClass[ICLS_HWNDMESSAGE]) ||
_wcsicmp(Cs->lpszClass, L"Message") != 0))
{
if (pti->ppi->dwLayout & LAYOUT_RTL)
{
Cs->dwExStyle |= WS_EX_LAYOUTRTL;
}
}
ParentWindow = hWndParent ? UserGetWindowObject(hWndParent): NULL;
OwnerWindow = hWndOwner ? UserGetWindowObject(hWndOwner): NULL;
if (hWndParent && !ParentWindow)
{
ERR("Got invalid parent window handle for %wZ\n", ClassName);
goto cleanup;
}
else if (hWndOwner && !OwnerWindow)
{
ERR("Got invalid owner window handle for %wZ\n", ClassName);
ParentWindow = NULL;
goto cleanup;
}
if(OwnerWindow)
{
if (IntIsDesktopWindow(OwnerWindow)) OwnerWindow = NULL;
else if (ParentWindow && !IntIsDesktopWindow(ParentWindow))
{
ERR("an owned window must be created as top-level\n");
EngSetLastError( STATUS_ACCESS_DENIED );
goto cleanup;
}
else /* owner must be a top-level window */
{
while ((OwnerWindow->style & (WS_POPUP|WS_CHILD)) == WS_CHILD && !IntIsDesktopWindow(OwnerWindow->spwndParent))
OwnerWindow = OwnerWindow->spwndParent;
}
}
/* 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,
acbiBuffer,
NULL,
dwVer );
if(!Window)
{
ERR("IntCreateWindow(%wZ) failed\n", ClassName);
goto cleanup;
}
hWnd = UserHMGetHandle(Window);
hwndInsertAfter = HWND_TOP;
UserRefObjectCo(Window, &Ref);
UserDereferenceObject(Window);
ObDereferenceObject(WinSta);
/* NCCREATE, WM_NCCALCSIZE and Hooks need the original values */
Cs->lpszName = (LPCWSTR) WindowName;
Cs->lpszClass = (LPCWSTR) ClassName;
//// Check for a hook to eliminate overhead. ////
if ( ISITHOOKED(WH_CBT) || (pti->rpdesk->pDeskInfo->fsHooks & HOOKID_TO_FLAG(WH_CBT)) )
{
// Allocate the calling structures Justin Case this goes Global.
pCsw = ExAllocatePoolWithTag(NonPagedPool, sizeof(CREATESTRUCTW), TAG_HOOK);
pCbtCreate = ExAllocatePoolWithTag(NonPagedPool, sizeof(CBT_CREATEWNDW), TAG_HOOK);
if (!pCsw || !pCbtCreate)
{
ERR("UserHeapAlloc() failed!\n");
goto cleanup;
}
if (!IntMsgCreateStructW( Window, pCsw, Cs, &pszClass, &pszName ) )
{
ERR("IntMsgCreateStructW() failed!\n");
goto cleanup;
}
pCbtCreate->lpcs = pCsw;
pCbtCreate->hwndInsertAfter = hwndInsertAfter;
//// Call the WH_CBT hook ////
Result = co_HOOK_CallHooks(WH_CBT, HCBT_CREATEWND, (WPARAM) hWnd, (LPARAM) pCbtCreate);
if (Result != 0)
{
ERR("WH_CBT HCBT_CREATEWND hook failed! 0x%x\n", Result);
goto cleanup;
}
// Write back changes.
Cs->cx = pCsw->cx;
Cs->cy = pCsw->cy;
Cs->x = pCsw->x;
Cs->y = pCsw->y;
hwndInsertAfter = pCbtCreate->hwndInsertAfter;
}
if ((Cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
{
if (ParentWindow != co_GetDesktopWindow(Window))
{
Cs->x += ParentWindow->rcClient.left;
Cs->y += ParentWindow->rcClient.top;
}
}
/* Send the WM_GETMINMAXINFO message */
Size.cx = Cs->cx;
Size.cy = Cs->cy;
if ((Cs->style & WS_THICKFRAME) || !(Cs->style & (WS_POPUP | WS_CHILD)))
{
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;
}
Window->rcWindow.left = Cs->x;
Window->rcWindow.top = Cs->y;
Window->rcWindow.right = Cs->x + Size.cx;
Window->rcWindow.bottom = Cs->y + Size.cy;
/*
if (0 != (Window->style & WS_CHILD) && ParentWindow)
{
ERR("co_UserCreateWindowEx(): Offset rcWindow\n");
RECTL_vOffsetRect(&Window->rcWindow,
ParentWindow->rcClient.left,
ParentWindow->rcClient.top);
}
*/
/* correct child window coordinates if mirroring on parent is enabled */
if (ParentWindow != NULL)
{
if ( ((Cs->style & WS_CHILD) == WS_CHILD) &&
((ParentWindow->ExStyle & WS_EX_LAYOUTRTL) == WS_EX_LAYOUTRTL))
{
Window->rcWindow.right = ParentWindow->rcClient.right - (Window->rcWindow.left - ParentWindow->rcClient.left);
Window->rcWindow.left = Window->rcWindow.right - Size.cx;
}
}
Window->rcClient = Window->rcWindow;
if (Window->spwndNext || Window->spwndPrev)
{
ERR("Window 0x%p has been linked too early!\n", Window);
}
if (!(Window->state2 & WNDS2_WIN31COMPAT))
{
if (Class->style & CS_PARENTDC && !(ParentWindow->style & WS_CLIPCHILDREN))
Window->style &= ~(WS_CLIPSIBLINGS | WS_CLIPCHILDREN);
}
if ((Window->style & (WS_CHILD | WS_POPUP)) == WS_CHILD)
{
if ( !IntIsTopLevelWindow(Window) )
{
if (pti != ParentWindow->head.pti)
{
//ERR("CreateWindow Parent in.\n");
UserAttachThreadInput(pti, ParentWindow->head.pti, TRUE);
}
}
}
/* Send the NCCREATE message */
Result = co_IntSendMessage(UserHMGetHandle(Window), WM_NCCREATE, 0, (LPARAM) Cs);
if (!Result)
{
ERR("co_UserCreateWindowEx(%wZ): NCCREATE message failed\n", ClassName);
goto cleanup;
}
/* Link the window */
if (ParentWindow != NULL)
{
/* Link the window into the siblings list */
if ((Cs->style & (WS_CHILD | WS_MAXIMIZE)) == WS_CHILD)
IntLinkHwnd(Window, HWND_BOTTOM);
else
IntLinkHwnd(Window, hwndInsertAfter);
}
/* Create the IME window for pWnd */
if (IS_IMM_MODE() && !pti->spwndDefaultIme && IntWantImeWindow(Window))
{
PWND pwndDefaultIme = co_IntCreateDefaultImeWindow(Window, Window->hModule);
UserAssignmentLock((PVOID*)&pti->spwndDefaultIme, pwndDefaultIme);
if (pwndDefaultIme)
{
HWND hImeWnd;
USER_REFERENCE_ENTRY Ref;
UserRefObjectCo(pwndDefaultIme, &Ref);
hImeWnd = UserHMGetHandle(pwndDefaultIme);
co_IntSendMessage(hImeWnd, WM_IME_SYSTEM, IMS_LOADTHREADLAYOUT, 0);
if (pti->pClientInfo->CI_flags & CI_IMMACTIVATE)
{
HKL hKL = pti->KeyboardLayout->hkl;
co_IntSendMessage(hImeWnd, WM_IME_SYSTEM, IMS_ACTIVATELAYOUT, (LPARAM)hKL);
pti->pClientInfo->CI_flags &= ~CI_IMMACTIVATE;
}
UserDerefObjectCo(pwndDefaultIme);
}
}
/* Send the WM_NCCALCSIZE message */
{
// RECT rc;
MaxPos.x = Window->rcWindow.left;
MaxPos.y = Window->rcWindow.top;
Result = co_WinPosGetNonClientSize(Window, &Window->rcWindow, &Window->rcClient);
//rc = Window->rcWindow;
//Result = co_IntSendMessageNoWait(UserHMGetHandle(Window), WM_NCCALCSIZE, FALSE, (LPARAM)&rc);
//Window->rcClient = rc;
RECTL_vOffsetRect(&Window->rcWindow, MaxPos.x - Window->rcWindow.left,
MaxPos.y - Window->rcWindow.top);
}
/* Send the WM_CREATE message. */
Result = co_IntSendMessage(UserHMGetHandle(Window), WM_CREATE, 0, (LPARAM) Cs);
if (Result == (LRESULT)-1)
{
ERR("co_UserCreateWindowEx(%wZ): WM_CREATE message failed\n", ClassName);
goto cleanup;
}
/* Send the EVENT_OBJECT_CREATE event */
IntNotifyWinEvent(EVENT_OBJECT_CREATE, Window, OBJID_WINDOW, CHILDID_SELF, 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->state2 |= WNDS2_WMCREATEMSGPROCESSED;
/* Send the WM_SIZE and WM_MOVE messages. */
if (!(Window->state & WNDS_SENDSIZEMOVEMSGS))
{
co_WinPosSendSizeMove(Window);
}
/* Show or maybe minimize or maximize the window. */
style = IntSetStyle( Window, 0, WS_MAXIMIZE | WS_MINIMIZE );
if (style & (WS_MINIMIZE | WS_MAXIMIZE))
{
RECTL NewPos;
UINT SwFlag = (style & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE;
SwFlag = co_WinPosMinMaximize(Window, SwFlag, &NewPos);
SwFlag |= SWP_NOZORDER|SWP_FRAMECHANGED; /* Frame always gets changed */
if (!(style & WS_VISIBLE) || (style & WS_CHILD) || UserGetActiveWindow() ||
(Window->ExStyle & WS_EX_NOACTIVATE))
{
SwFlag |= SWP_NOACTIVATE;
}
co_WinPosSetWindowPos(Window, 0, NewPos.left, NewPos.top,
NewPos.right, NewPos.bottom, SwFlag);
}
/* Send the WM_PARENTNOTIFY message */
IntSendParentNotify(Window, WM_CREATE);
/* Notify the shell that a new window was created */
if (Window->spwndOwner == NULL ||
!(Window->spwndOwner->style & WS_VISIBLE) ||
(Window->spwndOwner->ExStyle & WS_EX_TOOLWINDOW))
{
if (UserIsDesktopWindow(Window->spwndParent) &&
(Window->style & WS_VISIBLE) &&
(!(Window->ExStyle & WS_EX_TOOLWINDOW) ||
(Window->ExStyle & WS_EX_APPWINDOW)))
{
co_IntShellHookNotify(HSHELL_WINDOWCREATED, (WPARAM)hWnd, 0);
}
}
/* Initialize and show the window's scrollbars */
if (Window->style & WS_VSCROLL)
{
co_UserShowScrollBar(Window, SB_VERT, FALSE, TRUE);
}
if (Window->style & WS_HSCROLL)
{
co_UserShowScrollBar(Window, SB_HORZ, TRUE, FALSE);
}
/* Show the new window */
if (Cs->style & WS_VISIBLE)
{
if (Window->style & WS_MAXIMIZE)
dwShowMode = SW_SHOW;
else if (Window->style & WS_MINIMIZE)
dwShowMode = SW_SHOWMINIMIZED;
co_WinPosShowWindow(Window, dwShowMode);
if (Window->ExStyle & WS_EX_MDICHILD)
{
ASSERT(ParentWindow);
if(!ParentWindow)
goto cleanup;
co_IntSendMessage(UserHMGetHandle(ParentWindow), 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);
}
}
if (Class->atomClassName == gaGuiConsoleWndClass)
{
/* Count only console windows manually */
co_IntUserManualGuiCheck(TRUE);
}
TRACE("co_UserCreateWindowEx(%wZ): Created window %p\n", ClassName, hWnd);
ret = Window;
cleanup:
if (!ret)
{
TRACE("co_UserCreateWindowEx(): Error Created window!\n");
/* If the window was created, the class will be dereferenced by co_UserDestroyWindow */
if (Window)
co_UserDestroyWindow(Window);
else if (Class)
IntDereferenceClass(Class, pti->pDeskInfo, pti->ppi);
}
if (pCsw) ExFreePoolWithTag(pCsw, TAG_HOOK);
if (pCbtCreate) ExFreePoolWithTag(pCbtCreate, TAG_HOOK);
if (pszName) UserHeapFree(pszName);
if (pszClass) UserHeapFree(pszClass);
if (Window)
{
UserDerefObjectCo(Window);
}
if (ParentWindow) UserDerefObjectCo(ParentWindow);
// See CORE-13717, not setting error on success.
if (ret)
EngSetLastError(ERROR_SUCCESS);
return ret;
}
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 */
ExFreePoolWithTag(pvBuffer, TAG_STRING);
_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;
LARGE_STRING lstrClsVersion;
UNICODE_STRING ustrClassName;
UNICODE_STRING ustrClsVersion;
CREATESTRUCTW Cs;
HWND hwnd = NULL;
PWND pwnd;
lstrWindowName.Buffer = NULL;
lstrClassName.Buffer = NULL;
lstrClsVersion.Buffer = NULL;
if ( (dwStyle & (WS_POPUP|WS_CHILD)) != WS_CHILD)
{
/* check hMenu is valid handle */
if (hMenu && !UserGetMenuObject(hMenu))
{
ERR("NtUserCreateWindowEx: Got an invalid menu handle!\n");
EngSetLastError(ERROR_INVALID_MENU_HANDLE);
return NULL;
}
}
/* Copy the window name to kernel mode */
Status = ProbeAndCaptureLargeString(&lstrWindowName, plstrWindowName);
if (!NT_SUCCESS(Status))
{
ERR("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))
{
ERR("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 = (USHORT)min(lstrClassName.Length, MAXUSHORT); // FIXME: LARGE_STRING truncated
ustrClassName.MaximumLength = (USHORT)min(lstrClassName.MaximumLength, MAXUSHORT);
}
/* Check if the class version is an atom */
if (IS_ATOM(plstrClsVersion))
{
/* It is, pass the atom in the UNICODE_STRING */
ustrClsVersion.Buffer = (PVOID)plstrClsVersion;
ustrClsVersion.Length = 0;
ustrClsVersion.MaximumLength = 0;
}
else
{
/* It's not, capture the class name */
Status = ProbeAndCaptureLargeString(&lstrClsVersion, plstrClsVersion);
if (!NT_SUCCESS(Status))
{
ERR("NtUserCreateWindowEx: failed to capture plstrClsVersion\n");
/* Set last error, cleanup and return */
SetLastNtError(Status);
goto cleanup;
}
/* We pass it on as a UNICODE_STRING */
ustrClsVersion.Buffer = lstrClsVersion.Buffer;
ustrClsVersion.Length = (USHORT)min(lstrClsVersion.Length, MAXUSHORT); // FIXME: LARGE_STRING truncated
ustrClsVersion.MaximumLength = (USHORT)min(lstrClsVersion.MaximumLength, MAXUSHORT);
}
/* 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) plstrWindowName->Buffer;
Cs.lpszClass = ustrClassName.Buffer;
Cs.dwExStyle = dwExStyle;
UserEnterExclusive();
/* Call the internal function */
pwnd = co_UserCreateWindowEx(&Cs, &ustrClsVersion, plstrWindowName, acbiBuffer, dwFlags);
if(!pwnd)
{
ERR("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);
}
if (lstrClsVersion.Buffer)
{
ExFreePoolWithTag(lstrClsVersion.Buffer, TAG_STRING);
}
return hwnd;
}
// Win: xxxDW_DestroyOwnedWindows
VOID FASTCALL IntDestroyOwnedWindows(PWND Window)
{
HWND* List;
HWND* phWnd;
PWND pWnd;
USER_REFERENCE_ENTRY Ref;
List = IntWinListOwnedPopups(Window);
if (!List)
return;
for (phWnd = List; *phWnd; ++phWnd)
{
pWnd = ValidateHwndNoErr(*phWnd);
if (pWnd == NULL)
continue;
ASSERT(pWnd->spwndOwner == Window);
ASSERT(pWnd != Window);
WndSetOwner(pWnd, NULL);
if (IntWndBelongsToThread(pWnd, PsGetCurrentThreadWin32Thread()))
{
UserRefObjectCo(pWnd, &Ref); // Temp HACK?
co_UserDestroyWindow(pWnd);
UserDerefObjectCo(pWnd); // Temp HACK?
}
else
{
ERR("IntWndBelongsToThread(0x%p) is FALSE, ignoring.\n", pWnd);
}
}
ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
}
// Win: xxxDestroyWindow
BOOLEAN co_UserDestroyWindow(PVOID Object)
{
HWND hWnd;
PWND pwndTemp;
PTHREADINFO ti;
MSG msg;
PWND Window = Object;
ASSERT_REFS_CO(Window); // FIXME: Temp HACK?
/* NtUserDestroyWindow does check if the window has already been destroyed
but co_UserDestroyWindow can be called from more paths which means
that it can also be called for a window that has already been destroyed. */
if (!IntIsWindow(UserHMGetHandle(Window)))
{
TRACE("Tried to destroy a window twice\n");
return TRUE;
}
hWnd = UserHMGetHandle(Window);
ti = PsGetCurrentThreadWin32Thread();
TRACE("co_UserDestroyWindow(Window = 0x%p, hWnd = 0x%p)\n", Window, hWnd);
/* Check for owner thread */
if (Window->head.pti != ti)
{
/* Check if we are destroying the desktop window */
if (! ((Window->head.rpdesk->dwDTFlags & DF_DESTROYED) && Window == Window->head.rpdesk->pDeskInfo->spwnd))
{
EngSetLastError(ERROR_ACCESS_DENIED);
return FALSE;
}
}
/* If window was created successfully and it is hooked */
if ((Window->state2 & WNDS2_WMCREATEMSGPROCESSED))
{
if (co_HOOK_CallHooks(WH_CBT, HCBT_DESTROYWND, (WPARAM) hWnd, 0))
{
ERR("Destroy Window WH_CBT Call Hook return!\n");
return FALSE;
}
}
if (Window->pcls->atomClassName != gpsi->atomSysClass[ICLS_IME])
{
if ((Window->style & (WS_POPUP|WS_CHILD)) != WS_CHILD)
{
if (Window->spwndOwner)
{
//ERR("DestroyWindow Owner out.\n");
UserAttachThreadInput(Window->head.pti, Window->spwndOwner->head.pti, FALSE);
}
}
}
/* Inform the parent */
if (Window->style & WS_CHILD)
{
IntSendParentNotify(Window, WM_DESTROY);
}
if (!Window->spwndOwner && !IntGetParent(Window))
{
co_IntShellHookNotify(HSHELL_WINDOWDESTROYED, (WPARAM) hWnd, 0);
}
/* Hide the window */
if (Window->style & WS_VISIBLE)
{
if (Window->style & WS_CHILD)
{
/* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
co_WinPosShowWindow(Window, SW_HIDE);
}
else
{
co_WinPosSetWindowPos(Window, 0, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_HIDEWINDOW );
}
}
/* Adjust last active */
if ((pwndTemp = Window->spwndOwner))
{
while (pwndTemp->spwndOwner)
pwndTemp = pwndTemp->spwndOwner;
if (pwndTemp->spwndLastActive == Window)
WndSetLastActive(pwndTemp, Window->spwndOwner);
}
if (Window->spwndParent && IntIsWindow(UserHMGetHandle(Window)))
{
if ((Window->style & (WS_POPUP | WS_CHILD)) == WS_CHILD)
{
if (!IntIsTopLevelWindow(Window))
{
//ERR("DestroyWindow Parent out.\n");
UserAttachThreadInput(Window->head.pti, Window->spwndParent->head.pti, FALSE);
}
}
}
if (Window->head.pti->MessageQueue->spwndActive == Window)
Window->head.pti->MessageQueue->spwndActive = NULL;
if (Window->head.pti->MessageQueue->spwndFocus == Window)
Window->head.pti->MessageQueue->spwndFocus = NULL;
if (Window->head.pti->MessageQueue->spwndActivePrev == Window)
Window->head.pti->MessageQueue->spwndActivePrev = NULL;
if (Window->head.pti->MessageQueue->spwndCapture == Window)
Window->head.pti->MessageQueue->spwndCapture = NULL;
/*
* Check if this window is the Shell's Desktop Window. If so set hShellWindow to NULL
*/
if (ti->pDeskInfo != NULL)
{
if (ti->pDeskInfo->hShellWindow == hWnd)
{
ERR("Destroying the ShellWindow!\n");
ti->pDeskInfo->hShellWindow = NULL;
}
}
IntEngWindowChanged(Window, WOC_DELETE);
if (!IntIsWindow(UserHMGetHandle(Window)))
{
return TRUE;
}
/* Recursively destroy owned windows */
if (!(Window->style & WS_CHILD))
{
IntDestroyOwnedWindows(Window);
}
/* Generate mouse move message for the next window */
msg.message = WM_MOUSEMOVE;
msg.wParam = UserGetMouseButtonsState();
msg.lParam = MAKELPARAM(gpsi->ptCursor.x, gpsi->ptCursor.y);
msg.pt = gpsi->ptCursor;
co_MsqInsertMouseMessage(&msg, 0, 0, TRUE);
IntNotifyWinEvent(EVENT_OBJECT_DESTROY, Window, OBJID_WINDOW, CHILDID_SELF, 0);
/* Send destroy messages */
IntSendDestroyMsg(UserHMGetHandle(Window));
/* Destroy the default IME window if necessary */
if (IS_IMM_MODE() && !(ti->TIF_flags & TIF_INCLEANUP) &&
ti->spwndDefaultIme && (ti->spwndDefaultIme != Window) &&
!(Window->state & WNDS_DESTROYED) && !IS_WND_IMELIKE(Window))
{
if (IS_WND_CHILD(Window))
{
if (IntImeCanDestroyDefIMEforChild(ti->spwndDefaultIme, Window))
co_UserDestroyWindow(ti->spwndDefaultIme);
}
else
{
if (IntImeCanDestroyDefIME(ti->spwndDefaultIme, Window))
co_UserDestroyWindow(ti->spwndDefaultIme);
}
}
if (!IntIsWindow(UserHMGetHandle(Window)))
{
return TRUE;
}
/* Destroy the window storage */
co_UserFreeWindow(Window, PsGetCurrentProcessWin32Process(), PsGetCurrentThreadWin32Thread(), TRUE);
return TRUE;
}
/*
* @implemented
*/
BOOLEAN APIENTRY
NtUserDestroyWindow(HWND Wnd)
{
PWND Window;
BOOLEAN ret = FALSE;
USER_REFERENCE_ENTRY Ref;
TRACE("Enter NtUserDestroyWindow\n");
UserEnterExclusive();
Window = UserGetWindowObject(Wnd);
if (Window)
{
UserRefObjectCo(Window, &Ref); // FIXME: Dunno if win should be reffed during destroy...
ret = co_UserDestroyWindow(Window);
UserDerefObjectCo(Window); // FIXME: Dunno if win should be reffed during destroy...
}
TRACE("Leave NtUserDestroyWindow, ret=%u\n", ret);
UserLeave();
return ret;
}
HWND FASTCALL
IntFindWindow(PWND Parent,
PWND ChildAfter,
RTL_ATOM ClassAtom,
PUNICODE_STRING WindowName)
{
BOOL CheckWindowName;
HWND *List, *phWnd;
HWND Ret = NULL;
UNICODE_STRING CurrentWindowName;
ASSERT(Parent);
CheckWindowName = WindowName->Buffer != 0;
if((List = IntWinListChildren(Parent)))
{
phWnd = List;
if(ChildAfter)
{
/* skip handles before and including ChildAfter */
while(*phWnd && (*(phWnd++) != UserHMGetHandle(ChildAfter)))
;
}
/* search children */
while(*phWnd)
{
PWND 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->pcls->atomNVClassName == ClassAtom)
{
// FIXME: LARGE_STRING truncated
CurrentWindowName.Buffer = Child->strName.Buffer;
CurrentWindowName.Length = (USHORT)min(Child->strName.Length, MAXUSHORT);
CurrentWindowName.MaximumLength = (USHORT)min(Child->strName.MaximumLength, MAXUSHORT);
if(!CheckWindowName ||
(Child->strName.Length < 0xFFFF &&
!RtlCompareUnicodeString(WindowName, &CurrentWindowName, TRUE)))
{
Ret = UserHMGetHandle(Child);
break;
}
}
}
ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
}
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)
{
PWND Parent, ChildAfter;
UNICODE_STRING ClassName = {0}, WindowName = {0};
HWND Desktop, Ret = NULL;
BOOL DoMessageWnd = FALSE;
RTL_ATOM ClassAtom = (RTL_ATOM)0;
TRACE("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))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
_SEH2_LEAVE;
}
if (!IntGetAtomFromStringOrAtom(&ClassName,
&ClassAtom))
{
EngSetLastError(ERROR_CANNOT_FIND_WND_CLASS);
_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(goto Exit); // Return NULL
}
_SEH2_END;
if (ucClassName != NULL)
{
if (ClassName.Length == 0 && ClassName.Buffer != NULL &&
!IS_ATOM(ClassName.Buffer))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
goto Exit; // Return NULL
}
else if (ClassAtom == (RTL_ATOM)0)
{
/* LastError code was set by IntGetAtomFromStringOrAtom */
goto Exit; // Return NULL
}
}
}
Desktop = IntGetCurrentThreadDesktopWindow();
if(hwndParent == NULL)
{
hwndParent = Desktop;
DoMessageWnd = TRUE;
}
else if(hwndParent == HWND_MESSAGE)
{
hwndParent = IntGetMessageWindow();
}
if(!(Parent = UserGetWindowObject(hwndParent)))
{
goto Exit; // Return NULL
}
ChildAfter = NULL;
if(hwndChildAfter && !(ChildAfter = UserGetWindowObject(hwndChildAfter)))
{
goto Exit; // Return NULL
}
_SEH2_TRY
{
if(UserHMGetHandle(Parent) == Desktop)
{
HWND *List, *phWnd;
PWND 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++) != UserHMGetHandle(ChildAfter)))
;
}
CheckWindowName = WindowName.Buffer != 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->strName.Buffer;
ustr.Length = (USHORT)min(TopLevelWindow->strName.Length, MAXUSHORT); // FIXME:LARGE_STRING truncated
ustr.MaximumLength = (USHORT)min(TopLevelWindow->strName.MaximumLength, MAXUSHORT);
WindowMatches = !CheckWindowName ||
(TopLevelWindow->strName.Length < 0xFFFF &&
!RtlCompareUnicodeString(&WindowName, &ustr, TRUE));
ClassMatches = (ClassAtom == (RTL_ATOM)0) ||
ClassAtom == TopLevelWindow->pcls->atomNVClassName;
if (WindowMatches && ClassMatches)
{
Ret = UserHMGetHandle(TopLevelWindow);
break;
}
if (IntFindWindow(TopLevelWindow, NULL, ClassAtom, &WindowName))
{
/* window returns the handle of the top-level window, in case it found
the child window */
Ret = UserHMGetHandle(TopLevelWindow);
break;
}
}
ExFreePoolWithTag(List, USERTAG_WINDOWLIST);
}
}
else
{
TRACE("FindWindowEx: Not Desktop Parent!\n");
Ret = IntFindWindow(Parent, ChildAfter, ClassAtom, &WindowName);
}
if (Ret == NULL && DoMessageWnd)
{
PWND MsgWindows;
if((MsgWindows = UserGetWindowObject(IntGetMessageWindow())))
{
Ret = IntFindWindow(MsgWindows, ChildAfter, ClassAtom, &WindowName);
}
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
SetLastNtError(_SEH2_GetExceptionCode());
Ret = NULL;
}
_SEH2_END;
Exit:
TRACE("Leave NtUserFindWindowEx, ret %p\n", Ret);
UserLeave();
return Ret;
}
/*
* @implemented
*/
PWND FASTCALL UserGetAncestor(PWND Wnd, UINT Type)
{
PWND WndAncestor, Parent;
if (UserHMGetHandle(Wnd) == 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 (;;)
{
Parent = IntGetParent(WndAncestor);
if (!Parent)
{
break;
}
WndAncestor = Parent;
}
break;
}
default:
{
return NULL;
}
}
return WndAncestor;
}
/*
* @implemented
*/
HWND APIENTRY
NtUserGetAncestor(HWND hWnd, UINT Type)
{
PWND Window, Ancestor;
HWND Ret = NULL;
TRACE("Enter NtUserGetAncestor\n");
UserEnterExclusive();
Window = UserGetWindowObject(hWnd);
if (Window)
{
Ancestor = UserGetAncestor(Window, Type);
/* fixme: can UserGetAncestor ever return NULL for a valid window? */
Ret = (Ancestor ? UserHMGetHandle(Ancestor) : NULL);
}
TRACE("Leave NtUserGetAncestor, ret=%p\n", Ret);
UserLeave();
return Ret;
}
////
//// ReactOS work around! Keep it the sames as in Combo.c and Controls.h
////
/* combo state struct */
typedef struct
{
HWND self;
HWND owner;
UINT dwStyle;
HWND hWndEdit;
HWND hWndLBox;
UINT wState;
HFONT hFont;
RECT textRect;
RECT buttonRect;
RECT droppedRect;
INT droppedIndex;
INT fixedOwnerDrawHeight;
INT droppedWidth; /* last two are not used unless set */
INT editHeight; /* explicitly */
LONG UIState;
} HEADCOMBO,*LPHEADCOMBO;
// Window Extra data container.
typedef struct _WND2CBOX
{
WND;
LPHEADCOMBO pCBox;
} WND2CBOX, *PWND2CBOX;
#define CBF_BUTTONDOWN 0x0002
////
////
////
BOOL
APIENTRY
NtUserGetComboBoxInfo(
HWND hWnd,
PCOMBOBOXINFO pcbi)
{
PWND Wnd;
PPROCESSINFO ppi;
BOOL NotSameppi = FALSE;
BOOL Ret = TRUE;
TRACE("Enter NtUserGetComboBoxInfo\n");
UserEnterShared();
if (!(Wnd = UserGetWindowObject(hWnd)))
{
Ret = FALSE;
goto Exit;
}
_SEH2_TRY
{
ProbeForWrite(pcbi, sizeof(COMBOBOXINFO), 1);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
SetLastNtError(_SEH2_GetExceptionCode());
Ret = FALSE;
_SEH2_YIELD(goto Exit);
}
_SEH2_END;
if (pcbi->cbSize < sizeof(COMBOBOXINFO))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
Ret = FALSE;
goto Exit;
}
// Pass the user pointer, it was already probed.
if ((Wnd->pcls->atomClassName != gpsi->atomSysClass[ICLS_COMBOBOX]) && Wnd->fnid != FNID_COMBOBOX)
{
Ret = (BOOL)co_IntSendMessage(UserHMGetHandle(Wnd), CB_GETCOMBOBOXINFO, 0, (LPARAM)pcbi);
goto Exit;
}
ppi = PsGetCurrentProcessWin32Process();
NotSameppi = ppi != Wnd->head.pti->ppi;
if (NotSameppi)
{
KeAttachProcess(&Wnd->head.pti->ppi->peProcess->Pcb);
}
_SEH2_TRY
{
LPHEADCOMBO lphc = ((PWND2CBOX)Wnd)->pCBox;
pcbi->rcItem = lphc->textRect;
pcbi->rcButton = lphc->buttonRect;
pcbi->stateButton = 0;
if (lphc->wState & CBF_BUTTONDOWN)
pcbi->stateButton |= STATE_SYSTEM_PRESSED;
if (RECTL_bIsEmptyRect(&lphc->buttonRect))
pcbi->stateButton |= STATE_SYSTEM_INVISIBLE;
pcbi->hwndCombo = lphc->self;
pcbi->hwndItem = lphc->hWndEdit;
pcbi->hwndList = lphc->hWndLBox;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Ret = FALSE;
SetLastNtError(_SEH2_GetExceptionCode());
}
_SEH2_END;
Exit:
if (NotSameppi) KeDetachProcess();
TRACE("Leave NtUserGetComboBoxInfo, ret=%i\n", Ret);
UserLeave();
return Ret;
}
////
//// ReactOS work around! Keep it the sames as in Listbox.c
////
/* Listbox structure */
typedef struct
{
HWND self; /* Our own window handle */
HWND owner; /* Owner window to send notifications to */
UINT style; /* Window style */
INT width; /* Window width */
INT height; /* Window height */
VOID *items; /* Array of items */
INT nb_items; /* Number of items */
INT top_item; /* Top visible item */
INT selected_item; /* Selected item */
INT focus_item; /* Item that has the focus */
INT anchor_item; /* Anchor item for extended selection */
INT item_height; /* Default item height */
INT page_size; /* Items per listbox page */
INT column_width; /* Column width for multi-column listboxes */
} LB_DESCR;
// Window Extra data container.
typedef struct _WND2LB
{
WND;
LB_DESCR * pLBiv;
} WND2LB, *PWND2LB;
////
////
////
DWORD
APIENTRY
NtUserGetListBoxInfo(
HWND hWnd)
{
PWND Wnd;
PPROCESSINFO ppi;
BOOL NotSameppi = FALSE;
DWORD Ret = 0;
TRACE("Enter NtUserGetListBoxInfo\n");
UserEnterShared();
if (!(Wnd = UserGetWindowObject(hWnd)))
{
goto Exit; // Return 0
}
if ((Wnd->pcls->atomClassName != gpsi->atomSysClass[ICLS_LISTBOX]) && Wnd->fnid != FNID_LISTBOX)
{
Ret = (DWORD)co_IntSendMessage(UserHMGetHandle(Wnd), LB_GETLISTBOXINFO, 0, 0);
goto Exit;
}
// wine lisbox:test_GetListBoxInfo lb_getlistboxinfo = 0, should not send a message!
ppi = PsGetCurrentProcessWin32Process();
NotSameppi = ppi != Wnd->head.pti->ppi;
if (NotSameppi)
{
KeAttachProcess(&Wnd->head.pti->ppi->peProcess->Pcb);
}
_SEH2_TRY
{
LB_DESCR *descr = ((PWND2LB)Wnd)->pLBiv;
// See Controls ListBox.c:LB_GETLISTBOXINFO must match...
Ret = descr->page_size;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Ret = 0;
SetLastNtError(_SEH2_GetExceptionCode());
}
_SEH2_END;
Exit:
if (NotSameppi) KeDetachProcess();
TRACE("Leave NtUserGetListBoxInfo, ret=%lu\n", Ret);
UserLeave();
return Ret;
}
/*
* 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)
{
HWND Ret;
TRACE("Enter NtUserSetParent\n");
UserEnterExclusive();
/*
Check Parent first from user space, set it here.
*/
if (!hWndNewParent)
{
hWndNewParent = IntGetDesktopWindow();
}
else if (hWndNewParent == HWND_MESSAGE)
{
hWndNewParent = IntGetMessageWindow();
}
Ret = co_UserSetParent(hWndChild, hWndNewParent);
TRACE("Leave NtUserSetParent, ret=%p\n", Ret);
UserLeave();
return Ret;
}
/*
* 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,
UserMode,
0,
&WinStaObject,
0);
if (!NT_SUCCESS(Status))
{
SetLastNtError(Status);
return NULL;
}
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;
PWND WndShell, WndListView;
BOOL Ret = FALSE;
USER_REFERENCE_ENTRY Ref;
NTSTATUS Status;
PTHREADINFO ti;
TRACE("Enter NtUserSetShellWindowEx\n");
UserEnterExclusive();
if (!(WndShell = UserGetWindowObject(hwndShell)))
{
goto Exit; // Return FALSE
}
if (!(WndListView = UserGetWindowObject(hwndListView)))
{
goto Exit; // Return FALSE
}
Status = IntValidateWindowStationHandle(PsGetCurrentProcess()->Win32WindowStation,
UserMode,
0,
&WinStaObject,
0);
if (!NT_SUCCESS(Status))
{
SetLastNtError(Status);
goto Exit; // Return FALSE
}
/*
* Test if we are permitted to change the shell window.
*/
if (WinStaObject->ShellWindow)
{
ObDereferenceObject(WinStaObject);
goto Exit; // 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(WndListView, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE);
#endif
if (WndListView->ExStyle & WS_EX_TOPMOST)
{
ObDereferenceObject(WinStaObject);
goto Exit; // Return FALSE
}
}
if (WndShell->ExStyle & WS_EX_TOPMOST)
{
ObDereferenceObject(WinStaObject);
goto Exit; // Return FALSE
}
UserRefObjectCo(WndShell, &Ref);
WndShell->state2 |= WNDS2_BOTTOMMOST;
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;
ti->pDeskInfo->spwndShell = WndShell;
ti->pDeskInfo->spwndBkGnd = WndListView;
ti->pDeskInfo->ppiShellProcess = ti->ppi;
}
UserRegisterHotKey(WndShell, SC_TASKLIST, MOD_CONTROL, VK_ESCAPE);
UserDerefObjectCo(WndShell);
ObDereferenceObject(WinStaObject);
Ret = TRUE;
Exit:
TRACE("Leave NtUserSetShellWindowEx, ret=%i\n", Ret);
UserLeave();
return Ret;
}
// Fixes wine Win test_window_styles and todo tests...
static BOOL FASTCALL
IntCheckFrameEdge(ULONG Style, ULONG ExStyle)
{
if (ExStyle & WS_EX_DLGMODALFRAME)
return TRUE;
else if (!(ExStyle & WS_EX_STATICEDGE) && (Style & (WS_DLGFRAME | WS_THICKFRAME)))
return TRUE;
else
return FALSE;
}
static LONG_PTR
co_IntSetWindowLongPtr(HWND hWnd, DWORD Index, LONG_PTR NewValue, BOOL Ansi, ULONG Size, BOOL bAlter)
{
PWND Window, Parent;
PWINSTATION_OBJECT WindowStation;
LONG_PTR OldValue;
STYLESTRUCT Style;
if (!(Window = UserGetWindowObject(hWnd)))
{
return 0;
}
if ((INT)Index >= 0)
{
if ((Index + Size) > Window->cbwndExtra)
{
EngSetLastError(ERROR_INVALID_INDEX);
return 0;
}
PVOID Address = (PUCHAR)(&Window[1]) + Index;
#ifdef _WIN64
if (Size == sizeof(LONG))
{
OldValue = ReadUnalignedU32(Address);
WriteUnalignedU32(Address, NewValue);
}
else
#endif
{
OldValue = ReadUnalignedUlongPtr(Address);
/*
if ( Index == DWLP_DLGPROC && Wnd->state & WNDS_DIALOGWINDOW)
{
OldValue = (LONG_PTR)IntSetWindowProc( Wnd, (WNDPROC)NewValue, Ansi);
if (!OldValue) return 0;
}
*/
WriteUnalignedUlongPtr(Address, NewValue);
}
}
else
{
#ifdef _WIN64
if (Size == sizeof(LONG))
{
if ((Index != GWL_STYLE) &&
(Index != GWL_EXSTYLE) &&
(Index != GWL_ID) &&
(Index != GWL_USERDATA))
{
ERR("NtUserSetWindowLong(): Index requires pointer size: %lu\n", Index);
EngSetLastError(ERROR_INVALID_INDEX);
return 0;
}
}
#endif
switch (Index)
{
case GWL_EXSTYLE: // LONG
OldValue = (LONG) Window->ExStyle;
Style.styleOld = OldValue;
Style.styleNew = NewValue;
co_IntSendMessage(hWnd, WM_STYLECHANGING, GWL_EXSTYLE, (LPARAM) &Style);
/*
* Remove extended window style bit WS_EX_TOPMOST for shell windows.
*/
WindowStation = Window->head.pti->rpdesk->rpwinstaParent;
if(WindowStation)
{
if (hWnd == WindowStation->ShellWindow || hWnd == WindowStation->ShellListView)
Style.styleNew &= ~WS_EX_TOPMOST;
}
/* WS_EX_WINDOWEDGE depends on some other styles */
if (IntCheckFrameEdge(Window->style, NewValue))
Style.styleNew |= WS_EX_WINDOWEDGE;
else
Style.styleNew &= ~WS_EX_WINDOWEDGE;
if (!(Window->ExStyle & WS_EX_LAYERED))
{
SetLayeredStatus(Window, 0);
}
Window->ExStyle = (DWORD)Style.styleNew;
co_IntSendMessage(hWnd, WM_STYLECHANGED, GWL_EXSTYLE, (LPARAM) &Style);
break;
case GWL_STYLE: // LONG
OldValue = (LONG) Window->style;
Style.styleOld = OldValue;
Style.styleNew = NewValue;
if (!bAlter)
co_IntSendMessage(hWnd, WM_STYLECHANGING, GWL_STYLE, (LPARAM) &Style);
/* WS_CLIPSIBLINGS can't be reset on top-level windows */
if (UserIsDesktopWindow(Window->spwndParent)) Style.styleNew |= WS_CLIPSIBLINGS;
/* WS_MINIMIZE can't be reset */
if (OldValue & WS_MINIMIZE) Style.styleNew |= WS_MINIMIZE;
/* Fixes wine FIXME: changing WS_DLGFRAME | WS_THICKFRAME is supposed to change WS_EX_WINDOWEDGE too */
if (IntCheckFrameEdge(NewValue, Window->ExStyle))
Window->ExStyle |= WS_EX_WINDOWEDGE;
else
Window->ExStyle &= ~WS_EX_WINDOWEDGE;
if ((OldValue & (WS_CHILD | WS_POPUP)) == WS_CHILD)
{
if ((NewValue & (WS_CHILD | WS_POPUP)) != WS_CHILD)
{
//// From child to non-child it should be null already.
ERR("IDMenu going null! %d\n",Window->IDMenu);
Window->IDMenu = 0; // Window->spmenu = 0;
}
}
else
{
if ((NewValue & (WS_CHILD | WS_POPUP)) == WS_CHILD)
{
PMENU pMenu = UserGetMenuObject(UlongToHandle(Window->IDMenu));
Window->state &= ~WNDS_HASMENU;
if (pMenu)
{
ERR("IDMenu released 0x%p\n",pMenu);
// ROS may not hold a lock after setting menu to window. But it should!
//IntReleaseMenuObject(pMenu);
}
}
}
if ((Style.styleOld ^ Style.styleNew) & WS_VISIBLE)
{
if (Style.styleOld & WS_VISIBLE) Window->head.pti->cVisWindows--;
if (Style.styleNew & WS_VISIBLE) Window->head.pti->cVisWindows++;
DceResetActiveDCEs( Window );
}
Window->style = (DWORD)Style.styleNew;
if (!bAlter)
co_IntSendMessage(hWnd, WM_STYLECHANGED, GWL_STYLE, (LPARAM) &Style);
break;
case GWLP_WNDPROC: // LONG_PTR
{
if ( Window->head.pti->ppi != PsGetCurrentProcessWin32Process() ||
Window->fnid & FNID_FREED)
{
EngSetLastError(ERROR_ACCESS_DENIED);
return 0;
}
OldValue = (LONG_PTR)IntSetWindowProc(Window,
(WNDPROC)NewValue,
Ansi);
break;
}
case GWLP_HINSTANCE: // LONG_PTR
OldValue = (LONG_PTR) Window->hModule;
Window->hModule = (HINSTANCE) NewValue;
break;
case GWLP_HWNDPARENT: // LONG_PTR
Parent = Window->spwndParent;
if (Parent && (UserHMGetHandle(Parent) == IntGetDesktopWindow()))
OldValue = (LONG_PTR)IntSetOwner(UserHMGetHandle(Window), (HWND)NewValue);
else
OldValue = (LONG_PTR)co_UserSetParent(UserHMGetHandle(Window), (HWND)NewValue);
break;
case GWLP_ID: // LONG
OldValue = (LONG) Window->IDMenu;
Window->IDMenu = (UINT) NewValue;
break;
case GWLP_USERDATA: // LONG or LONG_PTR
OldValue = Window->dwUserData;
Window->dwUserData = NewValue;
break;
default:
ERR("NtUserSetWindowLong(): Unsupported index %lu\n", Index);
EngSetLastError(ERROR_INVALID_INDEX);
OldValue = 0;
break;
}
}
return OldValue;
}
LONG FASTCALL
co_UserSetWindowLong(HWND hWnd, DWORD Index, LONG NewValue, BOOL Ansi)
{
return (LONG)co_IntSetWindowLongPtr(hWnd, Index, NewValue, Ansi, sizeof(LONG), FALSE);
}
LONG_PTR FASTCALL
co_UserSetWindowLongPtr(HWND hWnd, DWORD Index, LONG_PTR NewValue, BOOL Ansi)
{
return co_IntSetWindowLongPtr(hWnd, Index, NewValue, Ansi, sizeof(LONG_PTR), FALSE);
}
/*
* 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)
{
LONG ret;
UserEnterExclusive();
if (hWnd == IntGetDesktopWindow())
{
EngSetLastError(STATUS_ACCESS_DENIED);
UserLeave();
return 0;
}
ret = (LONG)co_IntSetWindowLongPtr(hWnd, Index, NewValue, Ansi, sizeof(LONG), FALSE);
UserLeave();
return ret;
}
#ifdef _WIN64
LONG_PTR APIENTRY
NtUserSetWindowLongPtr(HWND hWnd, DWORD Index, LONG_PTR NewValue, BOOL Ansi)
{
LONG_PTR ret;
UserEnterExclusive();
if (hWnd == IntGetDesktopWindow())
{
EngSetLastError(STATUS_ACCESS_DENIED);
UserLeave();
return 0;
}
ret = co_IntSetWindowLongPtr(hWnd, Index, NewValue, Ansi, sizeof(LONG_PTR), FALSE);
UserLeave();
return ret;
}
#endif // _WIN64
DWORD APIENTRY
NtUserAlterWindowStyle(HWND hWnd, DWORD Index, LONG NewValue)
{
LONG ret;
UserEnterExclusive();
if (hWnd == IntGetDesktopWindow())
{
EngSetLastError(STATUS_ACCESS_DENIED);
UserLeave();
return 0;
}
ret = co_IntSetWindowLongPtr(hWnd, Index, NewValue, FALSE, sizeof(LONG), TRUE);
UserLeave();
return ret;
}
/*
* NtUserSetWindowWord
*
* Legacy function similar to NtUserSetWindowLong.
*
* Status
* @implemented
*/
WORD APIENTRY
NtUserSetWindowWord(HWND hWnd, INT Index, WORD NewValue)
{
PWND Window;
WORD OldValue;
WORD Ret = 0;
TRACE("Enter NtUserSetWindowWord\n");
UserEnterExclusive();
if (hWnd == IntGetDesktopWindow())
{
EngSetLastError(STATUS_ACCESS_DENIED);
goto Exit; // Return 0
}
if (!(Window = UserGetWindowObject(hWnd)))
{
goto Exit; // Return 0
}
switch (Index)
{
case GWL_ID:
case GWL_HINSTANCE:
case GWL_HWNDPARENT:
Ret = (WORD)co_UserSetWindowLong(UserHMGetHandle(Window), Index, (UINT)NewValue, TRUE);
goto Exit;
default:
if (Index < 0)
{
EngSetLastError(ERROR_INVALID_INDEX);
goto Exit; // Return 0
}
}
if ((ULONG)Index > (Window->cbwndExtra - sizeof(WORD)))
{
EngSetLastError(ERROR_INVALID_INDEX);
goto Exit; // Return 0
}
OldValue = *((WORD *)((PCHAR)(Window + 1) + Index));
*((WORD *)((PCHAR)(Window + 1) + Index)) = NewValue;
Ret = OldValue;
Exit:
TRACE("Leave NtUserSetWindowWord, ret=%u\n", Ret);
UserLeave();
return Ret;
}
/*
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_PTR APIENTRY
NtUserQueryWindow(HWND hWnd, DWORD Index)
{
/* Console Leader Process CID Window offsets */
#define GWLP_CONSOLE_LEADER_PID 0
#define GWLP_CONSOLE_LEADER_TID 4
DWORD_PTR Result = 0;
PWND pWnd, pwndActive;
PTHREADINFO pti, ptiActive;
TRACE("Enter NtUserQueryWindow\n");
UserEnterShared();
if (!(pWnd = UserGetWindowObject(hWnd)))
{
goto Exit; // Return 0
}
switch(Index)
{
case QUERY_WINDOW_UNIQUE_PROCESS_ID:
{
if ( (pWnd->head.pti->TIF_flags & TIF_CSRSSTHREAD) &&
(pWnd->pcls->atomClassName == gaGuiConsoleWndClass) )
{
// IntGetWindowLong(offset == GWLP_CONSOLE_LEADER_PID)
Result = (DWORD_PTR)(*((LONG_PTR*)((PCHAR)(pWnd + 1) + GWLP_CONSOLE_LEADER_PID)));
}
else
{
Result = (DWORD_PTR)IntGetWndProcessId(pWnd);
}
break;
}
case QUERY_WINDOW_UNIQUE_THREAD_ID:
{
if ( (pWnd->head.pti->TIF_flags & TIF_CSRSSTHREAD) &&
(pWnd->pcls->atomClassName == gaGuiConsoleWndClass) )
{
// IntGetWindowLong(offset == GWLP_CONSOLE_LEADER_TID)
Result = (DWORD_PTR)(*((LONG_PTR*)((PCHAR)(pWnd + 1) + GWLP_CONSOLE_LEADER_TID)));
}
else
{
Result = (DWORD_PTR)IntGetWndThreadId(pWnd);
}
break;
}
case QUERY_WINDOW_ACTIVE:
Result = (DWORD_PTR)(pWnd->head.pti->MessageQueue->spwndActive ? UserHMGetHandle(pWnd->head.pti->MessageQueue->spwndActive) : 0);
break;
case QUERY_WINDOW_FOCUS:
Result = (DWORD_PTR)(pWnd->head.pti->MessageQueue->spwndFocus ? UserHMGetHandle(pWnd->head.pti->MessageQueue->spwndFocus) : 0);
break;
case QUERY_WINDOW_ISHUNG:
Result = (pWnd->fnid == FNID_GHOST) || MsqIsHung(pWnd->head.pti, MSQ_HUNG);
break;
case QUERY_WINDOW_REAL_ID:
Result = (DWORD_PTR)pWnd->head.pti->pEThread->Cid.UniqueProcess;
break;
case QUERY_WINDOW_FOREGROUND:
Result = (pWnd->head.pti->MessageQueue == gpqForeground);
break;
case QUERY_WINDOW_DEFAULT_IME: /* default IME window */
if (pWnd->head.pti->spwndDefaultIme)
Result = (DWORD_PTR)UserHMGetHandle(pWnd->head.pti->spwndDefaultIme);
break;
case QUERY_WINDOW_DEFAULT_ICONTEXT: /* default input context handle */
if (pWnd->head.pti->spDefaultImc)
Result = (DWORD_PTR)UserHMGetHandle(pWnd->head.pti->spDefaultImc);
break;
case QUERY_WINDOW_ACTIVE_IME:
if (gpqForeground && gpqForeground->spwndActive)
{
pwndActive = gpqForeground->spwndActive;
pti = PsGetCurrentThreadWin32Thread();
if (pti->rpdesk == pwndActive->head.rpdesk)
{
ptiActive = pwndActive->head.pti;
if (ptiActive->spwndDefaultIme)
Result = (DWORD_PTR)UserHMGetHandle(ptiActive->spwndDefaultIme);
}
}
break;
}
Exit:
TRACE("Leave NtUserQueryWindow, ret=%u\n", Result);
UserLeave();
return Result;
}
/*
* @implemented
*/
UINT APIENTRY
NtUserRegisterWindowMessage(PUNICODE_STRING MessageNameUnsafe)
{
UNICODE_STRING SafeMessageName;
NTSTATUS Status;
UINT Ret = 0;
TRACE("Enter NtUserRegisterWindowMessage\n");
UserEnterExclusive();
if(MessageNameUnsafe == NULL)
{
EngSetLastError(ERROR_INVALID_PARAMETER);
goto Exit; // Return 0
}
Status = IntSafeCopyUnicodeStringTerminateNULL(&SafeMessageName, MessageNameUnsafe);
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
goto Exit; // Return 0
}
Ret = (UINT)IntAddAtom(SafeMessageName.Buffer);
if (SafeMessageName.Buffer)
ExFreePoolWithTag(SafeMessageName.Buffer, TAG_STRING);
Exit:
TRACE("Leave NtUserRegisterWindowMessage, ret=%u\n", Ret);
UserLeave();
return Ret;
}
/*
* @implemented
*/
BOOL APIENTRY
NtUserSetWindowFNID(HWND hWnd,
WORD fnID)
{
PWND Wnd;
BOOL Ret = FALSE;
TRACE("Enter NtUserSetWindowFNID\n");
UserEnterExclusive();
if (!(Wnd = UserGetWindowObject(hWnd)))
{
goto Exit; // Return FALSE
}
if (Wnd->head.pti->ppi != PsGetCurrentProcessWin32Process())
{
EngSetLastError(ERROR_ACCESS_DENIED);
goto Exit; // Return FALSE
}
// From user land we only set these.
if (fnID != FNID_DESTROY)
{
/* HACK: The minimum should be FNID_BUTTON, but menu code relies on this */
if (fnID < FNID_FIRST || fnID > FNID_GHOST ||
Wnd->fnid != 0)
{
EngSetLastError(ERROR_INVALID_PARAMETER);
goto Exit; // Return FALSE
}
}
Wnd->fnid |= fnID;
Ret = TRUE;
Exit:
TRACE("Leave NtUserSetWindowFNID\n");
UserLeave();
return Ret;
}
BOOL APIENTRY
DefSetText(PWND Wnd, PCWSTR WindowText)
{
UNICODE_STRING UnicodeString;
BOOL Ret = FALSE;
RtlInitUnicodeString(&UnicodeString, WindowText);
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
{
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
goto Exit;
}
}
}
else
{
Wnd->strName.Length = 0;
if (Wnd->strName.Buffer != NULL)
Wnd->strName.Buffer[0] = L'\0';
}
// FIXME: HAX! 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 (!Wnd->spwndOwner && !IntGetParent(Wnd))
{
co_IntShellHookNotify(HSHELL_REDRAW, (WPARAM) UserHMGetHandle(Wnd), FALSE); // FIXME Flashing?
}
Ret = TRUE;
Exit:
if (UnicodeString.Buffer) RtlFreeUnicodeString(&UnicodeString);
return Ret;
}
/*
* NtUserDefSetText
*
* Undocumented function that is called from DefWindowProc to set
* window text.
*
* Status
* @implemented
*/
BOOL APIENTRY
NtUserDefSetText(HWND hWnd, PLARGE_STRING WindowText)
{
PWND Wnd;
LARGE_STRING SafeText;
UNICODE_STRING UnicodeString;
BOOL Ret = TRUE;
TRACE("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(!(Wnd = UserGetWindowObject(hWnd)))
{
UserLeave();
return FALSE;
}
// 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
{
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
Ret = FALSE;
goto Exit;
}
}
}
else
{
Wnd->strName.Length = 0;
if (Wnd->strName.Buffer != NULL)
Wnd->strName.Buffer[0] = L'\0';
}
// FIXME: HAX! 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 (!Wnd->spwndOwner && !IntGetParent(Wnd))
{
co_IntShellHookNotify(HSHELL_REDRAW, (WPARAM) hWnd, FALSE); // FIXME Flashing?
}
Ret = TRUE;
Exit:
if (UnicodeString.Buffer) RtlFreeUnicodeString(&UnicodeString);
TRACE("Leave NtUserDefSetText, ret=%i\n", Ret);
UserLeave();
return Ret;
}
/*
* NtUserInternalGetWindowText
*
* Status
* @implemented
*/
INT APIENTRY
NtUserInternalGetWindowText(HWND hWnd, LPWSTR lpString, INT nMaxCount)
{
PWND Wnd;
NTSTATUS Status;
INT Result = 0;
TRACE("Enter NtUserInternalGetWindowText\n");
UserEnterShared();
if(lpString && (nMaxCount <= 1))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
goto Exit; // Return 0
}
if(!(Wnd = UserGetWindowObject(hWnd)))
{
goto Exit; // Return 0
}
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);
Result = 0;
goto Exit;
}
Buffer += Copy;
}
Status = MmCopyToCaller(Buffer, &Terminator, sizeof(WCHAR));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
Result = 0;
goto Exit;
}
Result = Copy;
}
Exit:
TRACE("Leave NtUserInternalGetWindowText, ret=%i\n", Result);
UserLeave();
return Result;
}
/*
API Call
*/
BOOL
FASTCALL
IntShowOwnedPopups(PWND OwnerWnd, BOOL fShow )
{
int count = 0;
PWND pWnd;
HWND *win_array;
// ASSERT(OwnerWnd);
TRACE("Enter ShowOwnedPopups Show: %s\n", (fShow ? "TRUE" : "FALSE"));
/* NOTE: Popups are not children */
win_array = IntWinListOwnedPopups(OwnerWnd);
if (!win_array)
return TRUE;
while (win_array[count])
count++;
while (--count >= 0)
{
if (!(pWnd = ValidateHwndNoErr( win_array[count] )))
continue;
ASSERT(pWnd->spwndOwner == OwnerWnd);
if (fShow)
{
if (pWnd->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);
pWnd->state &= ~WNDS_HIDDENPOPUP;
continue;
}
}
else
{
if (pWnd->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);
pWnd->state |= WNDS_HIDDENPOPUP;
continue;
}
}
}
ExFreePoolWithTag(win_array, USERTAG_WINDOWLIST);
TRACE("Leave ShowOwnedPopups\n");
return TRUE;
}
/* EOF */
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