DWORD
APIENTRY
NtUserSetScrollInfo(
HWND hWnd,
int fnBar,
LPCSCROLLINFO lpsi,
BOOL bRedraw)
{
PWND Window = NULL;
NTSTATUS Status;
SCROLLINFO ScrollInfo;
DECLARE_RETURN(DWORD);
USER_REFERENCE_ENTRY Ref;
TRACE("Enter NtUserSetScrollInfo\n");
UserEnterExclusive();
if(!(Window = UserGetWindowObject(hWnd)) || // FIXME:
Window == UserGetDesktopWindow() || // pWnd->fnid == FNID_DESKTOP
Window == UserGetMessageWindow() ) // pWnd->fnid == FNID_MESSAGEWND
{
RETURN( 0);
}
UserRefObjectCo(Window, &Ref);
Status = MmCopyFromCaller(&ScrollInfo, lpsi, sizeof(SCROLLINFO) - sizeof(ScrollInfo.nTrackPos));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN( 0);
}
RETURN(co_IntSetScrollInfo(Window, fnBar, &ScrollInfo, bRedraw));
CLEANUP:
if (Window)
UserDerefObjectCo(Window);
TRACE("Leave NtUserSetScrollInfo, ret=%lu\n", _ret_);
UserLeave();
END_CLEANUP;
}
HWND FASTCALL
co_UserSetFocus(PWND Window)
{
HWND hWndPrev = 0;
PWND pwndTop;
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
if (Window)
ASSERT_REFS_CO(Window);
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
ASSERT(ThreadQueue != 0);
TRACE("Enter SetFocus hWnd 0x%p pti 0x%p\n",Window ? UserHMGetHandle(Window) : 0, pti );
hWndPrev = ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
if (Window != 0)
{
if (hWndPrev == UserHMGetHandle(Window))
{
return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0; /* Nothing to do */
}
if (Window->head.pti->MessageQueue != ThreadQueue)
{
ERR("SetFocus Must have the same Q!\n");
return 0;
}
/* Check if we can set the focus to this window */
pwndTop = Window;
for (;;)
{
if (pwndTop->style & (WS_MINIMIZED|WS_DISABLED)) return 0;
if (!pwndTop->spwndParent || pwndTop->spwndParent == UserGetDesktopWindow())
{
if ((pwndTop->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return 0;
break;
}
if (pwndTop->spwndParent == UserGetMessageWindow()) return 0;
pwndTop = pwndTop->spwndParent;
}
if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)Window->head.h, (LPARAM)hWndPrev))
{
ERR("SetFocus 1 WH_CBT Call Hook return!\n");
return 0;
}
/* Activate pwndTop if needed. */
if (pwndTop != ThreadQueue->spwndActive)
{
PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue(); // Keep it based on desktop.
if (ThreadQueue != ForegroundQueue) // HACK see rule 2 & 3.
{
if (!co_IntSetForegroundAndFocusWindow(pwndTop, FALSE))
{
ERR("SetFocus: Set Foreground and Focus Failed!\n");
return 0;
}
}
/* Set Active when it is needed. */
if (pwndTop != ThreadQueue->spwndActive)
{
if (!co_IntSetActiveWindow(pwndTop, NULL, FALSE, FALSE, FALSE))
{
ERR("SetFocus: Set Active Failed!\n");
return 0;
}
}
/* Abort if window destroyed */
if (Window->state2 & WNDS2_INDESTROY) return 0;
/* Do not change focus if the window is no longer active */
if (pwndTop != ThreadQueue->spwndActive)
{
ERR("SetFocus: Top window did not go active!\n");
return 0;
}
}
// Check again! SetActiveWindow could have set the focus via WM_ACTIVATE.
hWndPrev = ThreadQueue->spwndFocus ? UserHMGetHandle(ThreadQueue->spwndFocus) : 0;
IntSendFocusMessages( pti, Window);
TRACE("Focus: %d -> %d\n", hWndPrev, Window->head.h);
}
else /* NULL hwnd passed in */
{
// if (!hWndPrev) return 0; /* nothing to do */
if (co_HOOK_CallHooks( WH_CBT, HCBT_SETFOCUS, (WPARAM)0, (LPARAM)hWndPrev))
{
ERR("SetFocus: 2 WH_CBT Call Hook return!\n");
return 0;
}
/* set the current thread focus window null */
IntSendFocusMessages( pti, NULL);
}
return hWndPrev ? (IntIsWindow(hWndPrev) ? hWndPrev : 0) : 0;
}
BOOL
APIENTRY
NtUserEnableScrollBar(
HWND hWnd,
UINT wSBflags,
UINT wArrows)
{
UINT OrigArrows;
PWND Window = NULL;
PSCROLLBARINFO InfoV = NULL, InfoH = NULL;
BOOL Chg = FALSE;
DECLARE_RETURN(BOOL);
USER_REFERENCE_ENTRY Ref;
TRACE("Enter NtUserEnableScrollBar\n");
UserEnterExclusive();
if (!(Window = UserGetWindowObject(hWnd)) || // FIXME:
Window == UserGetDesktopWindow() || // pWnd->fnid == FNID_DESKTOP
Window == UserGetMessageWindow() ) // pWnd->fnid == FNID_MESSAGEWND
{
RETURN(FALSE);
}
UserRefObjectCo(Window, &Ref);
if (!co_IntCreateScrollBars(Window))
{
RETURN( FALSE);
}
OrigArrows = Window->pSBInfo->WSBflags;
Window->pSBInfo->WSBflags = wArrows;
if (wSBflags == SB_CTL)
{
if ((wArrows == ESB_DISABLE_BOTH || wArrows == ESB_ENABLE_BOTH))
IntEnableWindow(hWnd, (wArrows == ESB_ENABLE_BOTH));
RETURN(TRUE);
}
if(wSBflags != SB_BOTH && !SBID_IS_VALID(wSBflags))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to set scrollinfo for unknown scrollbar type %u", wSBflags);
RETURN(FALSE);
}
switch(wSBflags)
{
case SB_BOTH:
InfoV = IntGetScrollbarInfoFromWindow(Window, SB_VERT);
/* Fall through */
case SB_HORZ:
InfoH = IntGetScrollbarInfoFromWindow(Window, SB_HORZ);
break;
case SB_VERT:
InfoV = IntGetScrollbarInfoFromWindow(Window, SB_VERT);
break;
default:
RETURN(FALSE);
}
if(InfoV)
Chg = IntEnableScrollBar(FALSE, InfoV, wArrows);
if(InfoH)
Chg = (IntEnableScrollBar(TRUE, InfoH, wArrows) || Chg);
ERR("FIXME: EnableScrollBar wSBflags %u wArrows %u Chg %d\n", wSBflags, wArrows, Chg);
// Done in user32:
// SCROLL_RefreshScrollBar( hwnd, nBar, TRUE, TRUE );
RETURN( Chg);
if (OrigArrows == wArrows) RETURN( FALSE);
RETURN( TRUE);
CLEANUP:
if (Window)
UserDerefObjectCo(Window);
TRACE("Leave NtUserEnableScrollBar, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
