BOOL FASTCALL
co_IntGetScrollBarInfo(PWND Window, LONG idObject, PSCROLLBARINFO psbi)
{
INT Bar;
PSCROLLBARINFO sbi;
PSBDATA pSBData;
ASSERT_REFS_CO(Window);
Bar = SBOBJ_TO_SBID(idObject);
if(!SBID_IS_VALID(Bar))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to get scrollinfo for unknown scrollbar type %d\n", Bar);
return FALSE;
}
if(!co_IntCreateScrollBars(Window))
{
ERR("Failed to create scrollbars for window.\n");
return FALSE;
}
sbi = IntGetScrollbarInfoFromWindow(Window, Bar);
pSBData = IntGetSBData(Window, Bar);
IntGetScrollBarRect(Window, Bar, &(sbi->rcScrollBar));
IntCalculateThumb(Window, Bar, sbi, pSBData);
RtlCopyMemory(psbi, sbi, sizeof(SCROLLBARINFO));
return TRUE;
}
BOOL FASTCALL
co_IntSetScrollBarInfo(PWND Window, LONG idObject, PSETSCROLLBARINFO psbi)
{
INT Bar;
PSCROLLBARINFO sbi;
LPSCROLLINFO psi;
ASSERT_REFS_CO(Window);
Bar = SBOBJ_TO_SBID(idObject);
if(!SBID_IS_VALID(Bar))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to get scrollinfo for unknown scrollbar type %d\n", Bar);
return FALSE;
}
if(!co_IntCreateScrollBars(Window))
{
ERR("Failed to create scrollbars for window.\n");
return FALSE;
}
sbi = IntGetScrollbarInfoFromWindow(Window, Bar);
psi = IntGetScrollInfoFromWindow(Window, Bar);
psi->nTrackPos = psbi->nTrackPos;
sbi->reserved = psbi->reserved;
RtlCopyMemory(&sbi->rgstate, &psbi->rgstate, sizeof(psbi->rgstate));
return TRUE;
}
static BOOL FASTCALL
co_IntGetScrollInfo(PWND Window, INT nBar, LPSCROLLINFO lpsi)
{
UINT Mask;
LPSCROLLINFO psi;
ASSERT_REFS_CO(Window);
if(!SBID_IS_VALID(nBar))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to get scrollinfo for unknown scrollbar type %d\n", nBar);
return FALSE;
}
if(!co_IntCreateScrollBars(Window))
{
return FALSE;
}
psi = IntGetScrollInfoFromWindow(Window, nBar);
if (lpsi->fMask == SIF_ALL)
{
Mask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_TRACKPOS;
}
else
{
Mask = lpsi->fMask;
}
if (0 != (Mask & SIF_PAGE))
{
lpsi->nPage = psi->nPage;
}
if (0 != (Mask & SIF_POS))
{
lpsi->nPos = psi->nPos;
}
if (0 != (Mask & SIF_RANGE))
{
lpsi->nMin = psi->nMin;
lpsi->nMax = psi->nMax;
}
if (0 != (Mask & SIF_TRACKPOS))
{
lpsi->nTrackPos = psi->nTrackPos;
}
return TRUE;
}
static DWORD FASTCALL
co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
{
/*
* Update the scrollbar state and set action flags according to
* what has to be done graphics wise.
*/
LPSCROLLINFO Info;
PSCROLLBARINFO psbi;
UINT new_flags;
INT action = 0;
PSBDATA pSBData;
DWORD OldPos = 0;
BOOL bChangeParams = FALSE; /* Don't show/hide scrollbar if params don't change */
UINT MaxPage;
int MaxPos;
ASSERT_REFS_CO(Window);
if(!SBID_IS_VALID(nBar))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to set scrollinfo for unknown scrollbar type %d", nBar);
return FALSE;
}
if(!co_IntCreateScrollBars(Window))
{
return FALSE;
}
if (lpsi->cbSize != sizeof(SCROLLINFO) &&
lpsi->cbSize != (sizeof(SCROLLINFO) - sizeof(lpsi->nTrackPos)))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (lpsi->fMask & ~(SIF_ALL | SIF_DISABLENOSCROLL | SIF_PREVIOUSPOS))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
psbi = IntGetScrollbarInfoFromWindow(Window, nBar);
Info = IntGetScrollInfoFromWindow(Window, nBar);
pSBData = IntGetSBData(Window, nBar);
/* Set the page size */
if (lpsi->fMask & SIF_PAGE)
{
if (Info->nPage != lpsi->nPage)
{
Info->nPage = lpsi->nPage;
pSBData->page = lpsi->nPage;
bChangeParams = TRUE;
}
}
/* Set the scroll pos */
if (lpsi->fMask & SIF_POS)
{
if (Info->nPos != lpsi->nPos)
{
OldPos = Info->nPos;
Info->nPos = lpsi->nPos;
pSBData->pos = lpsi->nPos;
bChangeParams = TRUE;
}
}
/* Set the scroll range */
if (lpsi->fMask & SIF_RANGE)
{
if (lpsi->nMin > lpsi->nMax)
{
Info->nMin = lpsi->nMin;
Info->nMax = lpsi->nMin;
pSBData->posMin = lpsi->nMin;
pSBData->posMax = lpsi->nMin;
bChangeParams = TRUE;
}
else if (Info->nMin != lpsi->nMin || Info->nMax != lpsi->nMax)
{
Info->nMin = lpsi->nMin;
Info->nMax = lpsi->nMax;
pSBData->posMin = lpsi->nMin;
pSBData->posMax = lpsi->nMax;
bChangeParams = TRUE;
}
}
/* Make sure the page size is valid */
MaxPage = abs(Info->nMax - Info->nMin) + 1;
if (Info->nPage > MaxPage)
{
pSBData->page = Info->nPage = MaxPage;
}
/* Make sure the pos is inside the range */
MaxPos = Info->nMax + 1 - (int)max(Info->nPage, 1);
ASSERT(MaxPos >= Info->nMin);
if (Info->nPos < Info->nMin)
{
pSBData->pos = Info->nPos = Info->nMin;
}
else if (Info->nPos > MaxPos)
{
pSBData->pos = Info->nPos = MaxPos;
}
/*
* Don't change the scrollbar state if SetScrollInfo is just called
* with SIF_DISABLENOSCROLL
*/
if (!(lpsi->fMask & SIF_ALL))
{
//goto done;
return lpsi->fMask & SIF_PREVIOUSPOS ? OldPos : pSBData->pos;
}
/* Check if the scrollbar should be hidden or disabled */
if (lpsi->fMask & (SIF_RANGE | SIF_PAGE | SIF_DISABLENOSCROLL))
{
new_flags = Window->pSBInfo->WSBflags;
if (Info->nMin >= (int)(Info->nMax - max(Info->nPage - 1, 0)))
{
/* Hide or disable scroll-bar */
if (lpsi->fMask & SIF_DISABLENOSCROLL)
{
new_flags = ESB_DISABLE_BOTH;
bChangeParams = TRUE;
}
else if ((nBar != SB_CTL) && bChangeParams)
{
action = SA_SSI_HIDE;
}
}
else /* Show and enable scroll-bar only if no page only changed. */
if (lpsi->fMask != SIF_PAGE)
{
new_flags = ESB_ENABLE_BOTH;
if ((nBar != SB_CTL) && bChangeParams)
{
action |= SA_SSI_SHOW;
}
}
if (Window->pSBInfo->WSBflags != new_flags) /* Check arrow flags */
{
Window->pSBInfo->WSBflags = new_flags;
action |= SA_SSI_REPAINT_ARROWS;
}
}
//done:
if ( action & SA_SSI_HIDE )
{
co_UserShowScrollBar(Window, nBar, FALSE, FALSE);
}
else
{
if ( action & SA_SSI_SHOW )
if ( co_UserShowScrollBar(Window, nBar, TRUE, TRUE) )
return lpsi->fMask & SIF_PREVIOUSPOS ? OldPos : pSBData->pos; /* SetWindowPos() already did the painting */
if (bRedraw)
{ // FIXME: Arrows and interior.
RECTL UpdateRect = psbi->rcScrollBar;
UpdateRect.left -= Window->rcClient.left - Window->rcWindow.left;
UpdateRect.right -= Window->rcClient.left - Window->rcWindow.left;
UpdateRect.top -= Window->rcClient.top - Window->rcWindow.top;
UpdateRect.bottom -= Window->rcClient.top - Window->rcWindow.top;
co_UserRedrawWindow(Window, &UpdateRect, 0, RDW_INVALIDATE | RDW_FRAME);
} // FIXME: Arrows
/* else if( action & SA_SSI_REPAINT_ARROWS )
{
RECTL UpdateRect = psbi->rcScrollBar;
UpdateRect.left -= Window->rcClient.left - Window->rcWindow.left;
UpdateRect.right -= Window->rcClient.left - Window->rcWindow.left;
UpdateRect.top -= Window->rcClient.top - Window->rcWindow.top;
UpdateRect.bottom -= Window->rcClient.top - Window->rcWindow.top;
co_UserRedrawWindow(Window, &UpdateRect, 0, RDW_INVALIDATE | RDW_FRAME);
}
*/ }
/* Return current position */
return lpsi->fMask & SIF_PREVIOUSPOS ? OldPos : pSBData->pos;
}
BOOL
APIENTRY
NtUserSetScrollBarInfo(
HWND hWnd,
LONG idObject,
SETSCROLLBARINFO *info)
{
PWND Window = NULL;
SETSCROLLBARINFO Safeinfo;
PSCROLLBARINFO sbi;
LPSCROLLINFO psi;
NTSTATUS Status;
LONG Obj;
DECLARE_RETURN(BOOL);
USER_REFERENCE_ENTRY Ref;
TRACE("Enter NtUserSetScrollBarInfo\n");
UserEnterExclusive();
if(!(Window = UserGetWindowObject(hWnd)))
{
RETURN( FALSE);
}
UserRefObjectCo(Window, &Ref);
Obj = SBOBJ_TO_SBID(idObject);
if(!SBID_IS_VALID(Obj))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to set scrollinfo for unknown scrollbar type %d\n", Obj);
RETURN( FALSE);
}
if(!co_IntCreateScrollBars(Window))
{
RETURN(FALSE);
}
Status = MmCopyFromCaller(&Safeinfo, info, sizeof(SETSCROLLBARINFO));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN(FALSE);
}
sbi = IntGetScrollbarInfoFromWindow(Window, Obj);
psi = IntGetScrollInfoFromWindow(Window, Obj);
psi->nTrackPos = Safeinfo.nTrackPos;
sbi->reserved = Safeinfo.reserved;
RtlCopyMemory(&sbi->rgstate, &Safeinfo.rgstate, sizeof(Safeinfo.rgstate));
RETURN(TRUE);
CLEANUP:
if (Window)
UserDerefObjectCo(Window);
TRACE("Leave NtUserSetScrollBarInfo, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
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;
}
/* Ported from WINE20020904 (SCROLL_ShowScrollBar) */
DWORD FASTCALL
co_UserShowScrollBar(PWND Wnd, int wBar, DWORD bShow)
{
DWORD Style, OldStyle;
ASSERT_REFS_CO(Wnd);
switch(wBar)
{
case SB_HORZ:
Style = WS_HSCROLL;
break;
case SB_VERT:
Style = WS_VSCROLL;
break;
case SB_BOTH:
Style = WS_HSCROLL | WS_VSCROLL;
break;
case SB_CTL:
Style = 0;
break;
default:
EngSetLastError(ERROR_INVALID_PARAMETER);
return( FALSE);
}
if(!co_IntCreateScrollBars(Wnd))
{
return( FALSE);
}
if (wBar == SB_CTL)
{
IntUpdateSBInfo(Wnd, SB_CTL);
co_WinPosShowWindow(Wnd, bShow ? SW_SHOW : SW_HIDE);
return( TRUE);
}
OldStyle = Wnd->style;
if(bShow)
Wnd->style |= Style;
else
Wnd->style &= ~Style;
if(Wnd->style != OldStyle)
{
if(Wnd->style & WS_HSCROLL)
IntUpdateSBInfo(Wnd, SB_HORZ);
if(Wnd->style & WS_VSCROLL)
IntUpdateSBInfo(Wnd, SB_VERT);
if(Wnd->style & WS_VISIBLE)
{
/* Frame has been changed, let the window redraw itself */
co_WinPosSetWindowPos(Wnd, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED | SWP_NOSENDCHANGING);
}
}
return( TRUE);
}
BOOL
APIENTRY
NtUserEnableScrollBar(
HWND hWnd,
UINT wSBflags,
UINT wArrows)
{
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)))
{
RETURN(FALSE);
}
UserRefObjectCo(Window, &Ref);
if(wSBflags == SB_CTL)
{
/* FIXME Enable or Disable SB Ctrl*/
ERR("Enable Scrollbar SB_CTL\n");
InfoV = IntGetScrollbarInfoFromWindow(Window, SB_CTL);
Chg = IntEnableScrollBar(FALSE, InfoV ,wArrows);
/* Chg? Scrollbar is Refresh in user32/controls/scrollbar.c. */
RETURN(TRUE);
}
if(wSBflags != SB_BOTH && !SBID_IS_VALID(wSBflags))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to set scrollinfo for unknown scrollbar type %d", wSBflags);
RETURN(FALSE);
}
if(!co_IntCreateScrollBars(Window))
{
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);
//if(Chg && (Window->style & WS_VISIBLE))
/* FIXME - repaint scrollbars */
RETURN( TRUE);
CLEANUP:
if (Window)
UserDerefObjectCo(Window);
TRACE("Leave NtUserEnableScrollBar, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
static DWORD FASTCALL
co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
{
/*
* Update the scrollbar state and set action flags according to
* what has to be done graphics wise.
*/
LPSCROLLINFO Info;
PSCROLLBARINFO psbi;
/* UINT new_flags;*/
BOOL bChangeParams = FALSE; /* don't show/hide scrollbar if params don't change */
ASSERT_REFS_CO(Window);
if(!SBID_IS_VALID(nBar))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to set scrollinfo for unknown scrollbar type %d", nBar);
return FALSE;
}
if(!co_IntCreateScrollBars(Window))
{
return FALSE;
}
if (lpsi->cbSize != sizeof(SCROLLINFO) &&
lpsi->cbSize != (sizeof(SCROLLINFO) - sizeof(lpsi->nTrackPos)))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (lpsi->fMask & ~(SIF_ALL | SIF_DISABLENOSCROLL))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
psbi = IntGetScrollbarInfoFromWindow(Window, nBar);
Info = IntGetScrollInfoFromWindow(Window, nBar);
/* Set the page size */
if (0 != (lpsi->fMask & SIF_PAGE))
{
if (Info->nPage != lpsi->nPage)
{
Info->nPage = lpsi->nPage;
bChangeParams = TRUE;
}
}
/* Set the scroll pos */
if (0 != (lpsi->fMask & SIF_POS))
{
if (Info->nPos != lpsi->nPos)
{
Info->nPos = lpsi->nPos;
}
}
/* Set the scroll range */
if (0 != (lpsi->fMask & SIF_RANGE))
{
/* Invalid range -> range is set to (0,0) */
if (lpsi->nMin > lpsi->nMax ||
0x80000000 <= (UINT)(lpsi->nMax - lpsi->nMin))
{
Info->nMin = 0;
Info->nMax = 0;
bChangeParams = TRUE;
}
else if (Info->nMin != lpsi->nMin || Info->nMax != lpsi->nMax)
{
Info->nMin = lpsi->nMin;
Info->nMax = lpsi->nMax;
bChangeParams = TRUE;
}
}
/* Make sure the page size is valid */
if (Info->nMax - Info->nMin + 1 < Info->nPage)
{
Info->nPage = Info->nMax - Info->nMin + 1;
}
/* Make sure the pos is inside the range */
if (Info->nPos < Info->nMin)
{
Info->nPos = Info->nMin;
}
else if (Info->nPos > Info->nMax - max(Info->nPage - 1, 0))
{
Info->nPos = Info->nMax - max(Info->nPage - 1, 0);
}
/*
* Don't change the scrollbar state if SetScrollInfo is just called
* with SIF_DISABLENOSCROLL
*/
if (0 == (lpsi->fMask & SIF_ALL))
{
return Info->nPos;
}
/* Check if the scrollbar should be hidden or disabled */
if (0 != (lpsi->fMask & (SIF_RANGE | SIF_PAGE | SIF_DISABLENOSCROLL)))
{
if (Info->nMin >= (int)(Info->nMax - max(Info->nPage - 1, 0)))
{
/* Hide or disable scroll-bar */
if (0 != (lpsi->fMask & SIF_DISABLENOSCROLL))
{
/* new_flags = ESB_DISABLE_BOTH;*/
}
else if ((nBar != SB_CTL) && bChangeParams)
{
co_UserShowScrollBar(Window, nBar, FALSE);
return Info->nPos;
}
}
else /* Show and enable scroll-bar */
{
/* new_flags = 0;*/
if ((nBar != SB_CTL) && bChangeParams)
{
co_UserShowScrollBar(Window, nBar, TRUE);
}
}
#if 0
if (infoPtr->flags != new_flags) /* check arrow flags */
{
infoPtr->flags = new_flags;
*Action |= SA_SSI_REPAINT_ARROWS;
}
#endif
}
if (bRedraw)
{
RECTL UpdateRect = psbi->rcScrollBar;
UpdateRect.left -= Window->rcClient.left - Window->rcWindow.left;
UpdateRect.right -= Window->rcClient.left - Window->rcWindow.left;
UpdateRect.top -= Window->rcClient.top - Window->rcWindow.top;
UpdateRect.bottom -= Window->rcClient.top - Window->rcWindow.top;
co_UserRedrawWindow(Window, &UpdateRect, 0, RDW_INVALIDATE | RDW_FRAME);
}
/* Return current position */
return Info->nPos;
}
