BOOL
FASTCALL
IntEngGradientFillRect(
IN SURFOBJ *psoDest,
IN CLIPOBJ *pco,
IN XLATEOBJ *pxlo,
IN TRIVERTEX *pVertex,
IN ULONG nVertex,
IN PGRADIENT_RECT gRect,
IN RECTL *prclExtents,
IN POINTL *pptlDitherOrg,
IN BOOL Horizontal)
{
SURFOBJ *psoOutput;
TRIVERTEX *v1, *v2;
RECTL rcGradient, rcSG;
RECT_ENUM RectEnum;
BOOL EnumMore;
ULONG i;
POINTL Translate;
INTENG_ENTER_LEAVE EnterLeave;
LONG y, dy, c[3], dc[3], ec[3], ic[3];
v1 = (pVertex + gRect->UpperLeft);
v2 = (pVertex + gRect->LowerRight);
rcGradient.left = min(v1->x, v2->x);
rcGradient.right = max(v1->x, v2->x);
rcGradient.top = min(v1->y, v2->y);
rcGradient.bottom = max(v1->y, v2->y);
rcSG = rcGradient;
RECTL_vOffsetRect(&rcSG, pptlDitherOrg->x, pptlDitherOrg->y);
if(Horizontal)
{
dy = abs(rcGradient.right - rcGradient.left);
}
else
{
dy = abs(rcGradient.bottom - rcGradient.top);
}
if(!IntEngEnter(&EnterLeave, psoDest, &rcSG, FALSE, &Translate, &psoOutput))
{
return FALSE;
}
if((v1->Red != v2->Red || v1->Green != v2->Green || v1->Blue != v2->Blue) && dy > 1)
{
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
do
{
RECTL FillRect;
ULONG Color;
if (Horizontal)
{
EnumMore = CLIPOBJ_bEnum(pco, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= rcSG.bottom; i++)
{
if (RECTL_bIntersectRect(&FillRect, &RectEnum.arcl[i], &rcSG))
{
HVINITCOL(Red, 0);
HVINITCOL(Green, 1);
HVINITCOL(Blue, 2);
for (y = rcSG.left; y < FillRect.right; y++)
{
if (y >= FillRect.left)
{
Color = XLATEOBJ_iXlate(pxlo, RGB(c[0], c[1], c[2]));
DibFunctionsForBitmapFormat[psoOutput->iBitmapFormat].DIB_VLine(
psoOutput, y + Translate.x, FillRect.top + Translate.y, FillRect.bottom + Translate.y, Color);
}
HVSTEPCOL(0);
HVSTEPCOL(1);
HVSTEPCOL(2);
}
}
}
continue;
}
/* vertical */
EnumMore = CLIPOBJ_bEnum(pco, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= rcSG.bottom; i++)
{
if (RECTL_bIntersectRect(&FillRect, &RectEnum.arcl[i], &rcSG))
{
HVINITCOL(Red, 0);
HVINITCOL(Green, 1);
HVINITCOL(Blue, 2);
for (y = rcSG.top; y < FillRect.bottom; y++)
{
if (y >= FillRect.top)
{
Color = XLATEOBJ_iXlate(pxlo, RGB(c[0], c[1], c[2]));
DibFunctionsForBitmapFormat[psoOutput->iBitmapFormat].DIB_HLine(psoOutput,
FillRect.left + Translate.x,
FillRect.right + Translate.x,
y + Translate.y,
Color);
}
HVSTEPCOL(0);
HVSTEPCOL(1);
HVSTEPCOL(2);
}
}
}
}
while (EnumMore);
return IntEngLeave(&EnterLeave);
}
/* rectangle has only one color, no calculation required */
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
do
{
RECTL FillRect;
ULONG Color = XLATEOBJ_iXlate(pxlo, RGB(v1->Red, v1->Green, v1->Blue));
EnumMore = CLIPOBJ_bEnum(pco, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= rcSG.bottom; i++)
{
if (RECTL_bIntersectRect(&FillRect, &RectEnum.arcl[i], &rcSG))
{
for (; FillRect.top < FillRect.bottom; FillRect.top++)
{
DibFunctionsForBitmapFormat[psoOutput->iBitmapFormat].DIB_HLine(psoOutput,
FillRect.left + Translate.x,
FillRect.right + Translate.x,
FillRect.top + Translate.y,
Color);
}
}
}
}
while (EnumMore);
return IntEngLeave(&EnterLeave);
}
BOOL FASTCALL UITOOLS95_DrawFrameScroll(HDC dc, LPRECT r, UINT uFlags)
{
LOGFONTW lf;
HFONT hFont, hOldFont;
COLORREF clrsave;
RECT myr;
INT bkmode;
WCHAR Symbol;
switch(uFlags & 0xff)
{
case DFCS_SCROLLCOMBOBOX:
case DFCS_SCROLLDOWN:
Symbol = '6';
break;
case DFCS_SCROLLUP:
Symbol = '5';
break;
case DFCS_SCROLLLEFT:
Symbol = '3';
break;
case DFCS_SCROLLRIGHT:
Symbol = '4';
break;
case DFCS_SCROLLSIZEGRIP:
case DFCS_SCROLLSIZEGRIPRIGHT:
RtlZeroMemory(&lf, sizeof(LOGFONTW));
UITOOLS_MakeSquareRect(r, &myr);
lf.lfHeight = myr.bottom - myr.top;
lf.lfWidth = 0;
lf.lfWeight = FW_NORMAL;
lf.lfCharSet = DEFAULT_CHARSET;
RtlCopyMemory(lf.lfFaceName, L"Marlett", sizeof(L"Marlett"));
hFont = GreCreateFontIndirectW(&lf);
/* save font and text color */
hOldFont = NtGdiSelectFont(dc, hFont);
clrsave = GreGetTextColor(dc);
bkmode = GreGetBkMode(dc);
/* set color and drawing mode */
IntGdiSetBkMode(dc, TRANSPARENT);
if (!(uFlags & (DFCS_MONO | DFCS_FLAT)))
{
IntGdiSetTextColor(dc, IntGetSysColor(COLOR_BTNHIGHLIGHT));
/* draw selected symbol */
Symbol = ((uFlags & 0xff) == DFCS_SCROLLSIZEGRIP) ? 'o' : 'x';
GreTextOutW(dc, myr.left, myr.top, &Symbol, 1);
IntGdiSetTextColor(dc, IntGetSysColor(COLOR_BTNSHADOW));
} else
IntGdiSetTextColor(dc, IntGetSysColor(COLOR_WINDOWFRAME));
/* draw selected symbol */
Symbol = ((uFlags & 0xff) == DFCS_SCROLLSIZEGRIP) ? 'p' : 'y';
GreTextOutW(dc, myr.left, myr.top, &Symbol, 1);
/* restore previous settings */
IntGdiSetTextColor(dc, clrsave);
NtGdiSelectFont(dc, hOldFont);
IntGdiSetBkMode(dc, bkmode);
GreDeleteObject(hFont);
return TRUE;
default:
return FALSE;
}
IntDrawRectEdge(dc, r, (uFlags & DFCS_PUSHED) ? EDGE_SUNKEN : EDGE_RAISED, (uFlags&DFCS_FLAT) | BF_MIDDLE | BF_RECT);
RtlZeroMemory(&lf, sizeof(LOGFONTW));
UITOOLS_MakeSquareRect(r, &myr);
myr.left += 1;
myr.top += 1;
myr.right -= 1;
myr.bottom -= 1;
if(uFlags & DFCS_PUSHED)
RECTL_vOffsetRect(&myr,1,1);
lf.lfHeight = myr.bottom - myr.top;
lf.lfWidth = 0;
lf.lfWeight = FW_NORMAL;
lf.lfCharSet = DEFAULT_CHARSET;
RtlCopyMemory(lf.lfFaceName, L"Marlett", sizeof(L"Marlett"));
hFont = GreCreateFontIndirectW(&lf);
/* save font and text color */
hOldFont = NtGdiSelectFont(dc, hFont);
clrsave = GreGetTextColor(dc);
bkmode = GreGetBkMode(dc);
/* set color and drawing mode */
IntGdiSetBkMode(dc, TRANSPARENT);
if(uFlags & DFCS_INACTIVE)
{
/* draw shadow */
IntGdiSetTextColor(dc, IntGetSysColor(COLOR_BTNHIGHLIGHT));
GreTextOutW(dc, myr.left + 1, myr.top + 1, &Symbol, 1);
}
IntGdiSetTextColor(dc, IntGetSysColor((uFlags & DFCS_INACTIVE) ? COLOR_BTNSHADOW : COLOR_BTNTEXT));
/* draw selected symbol */
GreTextOutW(dc, myr.left, myr.top, &Symbol, 1);
/* restore previous settings */
IntGdiSetTextColor(dc, clrsave);
NtGdiSelectFont(dc, hOldFont);
IntGdiSetBkMode(dc, bkmode);
GreDeleteObject(hFont);
return TRUE;
}
/* Mostly inspired from wine code.
* We use low level functions because:
* - at this point, the icon bitmap could have a different bit depth than the DC,
* making it thus impossible to use NtCreateCompatibleDC and selecting the bitmap.
* This happens after a mode setting change.
* - it avoids massive GDI objects locking when only the destination surface needs it.
* - It makes (small) performance gains.
*/
BOOL
UserDrawIconEx(
HDC hDc,
INT xLeft,
INT yTop,
PCURICON_OBJECT pIcon,
INT cxWidth,
INT cyHeight,
UINT istepIfAniCur,
HBRUSH hbrFlickerFreeDraw,
UINT diFlags)
{
PSURFACE psurfDest, psurfMask, psurfColor; //, psurfOffScreen = NULL;
PDC pdc = NULL;
BOOL Ret = FALSE;
HBITMAP hbmMask, hbmColor, hbmAlpha;
BOOL bOffScreen;
RECTL rcDest, rcSrc;
CLIPOBJ* pdcClipObj = NULL;
EXLATEOBJ exlo;
/* Stupid case */
if((diFlags & DI_NORMAL) == 0)
{
ERR("DrawIconEx called without mask or color bitmap to draw.\n");
return FALSE;
}
if (pIcon->CURSORF_flags & CURSORF_ACON)
{
ACON* pAcon = (ACON*)pIcon;
if(istepIfAniCur >= pAcon->cicur)
{
ERR("NtUserDrawIconEx: istepIfAniCur too big!\n");
return FALSE;
}
pIcon = pAcon->aspcur[pAcon->aicur[istepIfAniCur]];
}
hbmMask = pIcon->hbmMask;
hbmColor = pIcon->hbmColor;
hbmAlpha = pIcon->hbmAlpha;
/*
* Get our objects.
* Shared locks are enough, we are only reading those bitmaps
*/
psurfMask = SURFACE_ShareLockSurface(hbmMask);
if(psurfMask == NULL)
{
ERR("Unable to lock the mask surface.\n");
return FALSE;
}
/* Color bitmap is not mandatory */
if(hbmColor == NULL)
{
/* But then the mask bitmap must have the information in it's bottom half */
ASSERT(psurfMask->SurfObj.sizlBitmap.cy == 2*pIcon->cy);
psurfColor = NULL;
}
else if ((psurfColor = SURFACE_ShareLockSurface(hbmColor)) == NULL)
{
ERR("Unable to lock the color bitmap.\n");
SURFACE_ShareUnlockSurface(psurfMask);
return FALSE;
}
pdc = DC_LockDc(hDc);
if(!pdc)
{
ERR("Could not lock the destination DC.\n");
SURFACE_ShareUnlockSurface(psurfMask);
if(psurfColor) SURFACE_ShareUnlockSurface(psurfColor);
return FALSE;
}
/* Calculate destination rectangle */
RECTL_vSetRect(&rcDest, xLeft, yTop, xLeft + cxWidth, yTop + cyHeight);
IntLPtoDP(pdc, (LPPOINT)&rcDest, 2);
RECTL_vOffsetRect(&rcDest, pdc->ptlDCOrig.x, pdc->ptlDCOrig.y);
/* Prepare the underlying surface */
DC_vPrepareDCsForBlit(pdc, rcDest, NULL, rcDest);
/* We now have our destination surface and rectangle */
psurfDest = pdc->dclevel.pSurface;
if(psurfDest == NULL)
{
/* Empty DC */
DC_vFinishBlit(pdc, NULL);
DC_UnlockDc(pdc);
SURFACE_ShareUnlockSurface(psurfMask);
if(psurfColor) SURFACE_ShareUnlockSurface(psurfColor);
return FALSE;
}
/* Set source rect */
RECTL_vSetRect(&rcSrc, 0, 0, pIcon->cx, pIcon->cy);
/* Fix width parameter, if needed */
if (!cxWidth)
{
if(diFlags & DI_DEFAULTSIZE)
cxWidth = is_icon(pIcon) ?
UserGetSystemMetrics(SM_CXICON) : UserGetSystemMetrics(SM_CXCURSOR);
else
cxWidth = pIcon->cx;
}
/* Fix height parameter, if needed */
if (!cyHeight)
{
if(diFlags & DI_DEFAULTSIZE)
cyHeight = is_icon(pIcon) ?
UserGetSystemMetrics(SM_CYICON) : UserGetSystemMetrics(SM_CYCURSOR);
else
cyHeight = pIcon->cy;
}
/* Should we render off-screen? */
bOffScreen = hbrFlickerFreeDraw &&
(GDI_HANDLE_GET_TYPE(hbrFlickerFreeDraw) == GDI_OBJECT_TYPE_BRUSH);
if (bOffScreen)
{
/* Yes: Allocate and paint the offscreen surface */
EBRUSHOBJ eboFill;
PBRUSH pbrush = BRUSH_ShareLockBrush(hbrFlickerFreeDraw);
TRACE("Performing off-screen rendering.\n");
if(!pbrush)
{
ERR("Failed to get brush object.\n");
goto Cleanup;
}
#if 0 //We lock the hdc surface during the whole function it makes no sense to use an offscreen surface for "flicker free" drawing
psurfOffScreen = SURFACE_AllocSurface(STYPE_BITMAP,
cxWidth, cyHeight, psurfDest->SurfObj.iBitmapFormat,
0, 0, NULL);
if(!psurfOffScreen)
{
ERR("Failed to allocate the off-screen surface.\n");
BRUSH_ShareUnlockBrush(pbrush);
goto Cleanup;
}
/* Paint the brush */
EBRUSHOBJ_vInit(&eboFill, pbrush, psurfOffScreen, 0x00FFFFFF, 0, NULL);
RECTL_vSetRect(&rcDest, 0, 0, cxWidth, cyHeight);
Ret = IntEngBitBlt(&psurfOffScreen->SurfObj,
NULL,
NULL,
NULL,
NULL,
&rcDest,
NULL,
NULL,
&eboFill.BrushObject,
&pbrush->ptOrigin,
ROP4_PATCOPY);
/* Clean up everything */
EBRUSHOBJ_vCleanup(&eboFill);
BRUSH_ShareUnlockBrush(pbrush);
if(!Ret)
{
ERR("Failed to paint the off-screen surface.\n");
goto Cleanup;
}
/* We now have our destination surface */
psurfDest = psurfOffScreen;
#else
pdcClipObj = pdc->rosdc.CombinedClip;
/* Paint the brush */
EBRUSHOBJ_vInit(&eboFill, pbrush, psurfDest, 0x00FFFFFF, 0, NULL);
Ret = IntEngBitBlt(&psurfDest->SurfObj,
NULL,
NULL,
pdcClipObj,
NULL,
&rcDest,
NULL,
NULL,
&eboFill.BrushObject,
&pbrush->ptOrigin,
ROP4_PATCOPY);
/* Clean up everything */
EBRUSHOBJ_vCleanup(&eboFill);
BRUSH_ShareUnlockBrush(pbrush);
if(!Ret)
{
ERR("Failed to paint the off-screen surface.\n");
goto Cleanup;
}
#endif
}
else
{
/* We directly draw to the DC */
TRACE("Performing on screen rendering.\n");
pdcClipObj = pdc->rosdc.CombinedClip;
// psurfOffScreen = NULL;
}
/* Now do the rendering */
if(hbmAlpha && ((diFlags & DI_NORMAL) == DI_NORMAL))
{
BLENDOBJ blendobj = { {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA } };
PSURFACE psurf = NULL;
psurf = SURFACE_ShareLockSurface(hbmAlpha);
if(!psurf)
{
ERR("SURFACE_LockSurface failed!\n");
goto NoAlpha;
}
/* Initialize color translation object */
EXLATEOBJ_vInitialize(&exlo, psurf->ppal, psurfDest->ppal, 0xFFFFFFFF, 0xFFFFFFFF, 0);
/* Now do it */
Ret = IntEngAlphaBlend(&psurfDest->SurfObj,
&psurf->SurfObj,
pdcClipObj,
&exlo.xlo,
&rcDest,
&rcSrc,
&blendobj);
EXLATEOBJ_vCleanup(&exlo);
SURFACE_ShareUnlockSurface(psurf);
if(Ret) goto done;
ERR("NtGdiAlphaBlend failed!\n");
}
NoAlpha:
if (diFlags & DI_MASK)
{
DWORD rop4 = (diFlags & DI_IMAGE) ? ROP4_SRCAND : ROP4_SRCCOPY;
EXLATEOBJ_vInitSrcMonoXlate(&exlo, psurfDest->ppal, 0x00FFFFFF, 0);
Ret = IntEngStretchBlt(&psurfDest->SurfObj,
&psurfMask->SurfObj,
NULL,
pdcClipObj,
&exlo.xlo,
NULL,
&rcDest,
&rcSrc,
NULL,
NULL,
NULL,
rop4);
EXLATEOBJ_vCleanup(&exlo);
if(!Ret)
{
ERR("Failed to mask the bitmap data.\n");
goto Cleanup;
}
}
if(diFlags & DI_IMAGE)
{
if (psurfColor)
{
DWORD rop4 = (diFlags & DI_MASK) ? ROP4_SRCINVERT : ROP4_SRCCOPY ;
EXLATEOBJ_vInitialize(&exlo, psurfColor->ppal, psurfDest->ppal, 0x00FFFFFF, 0x00FFFFFF, 0);
Ret = IntEngStretchBlt(&psurfDest->SurfObj,
&psurfColor->SurfObj,
NULL,
pdcClipObj,
&exlo.xlo,
NULL,
&rcDest,
&rcSrc,
NULL,
NULL,
NULL,
rop4);
EXLATEOBJ_vCleanup(&exlo);
if(!Ret)
{
ERR("Failed to render the icon bitmap.\n");
goto Cleanup;
}
}
else
{
/* Mask bitmap holds the information in its bottom half */
DWORD rop4 = (diFlags & DI_MASK) ? ROP4_SRCINVERT : ROP4_SRCCOPY;
RECTL_vOffsetRect(&rcSrc, 0, pIcon->cy);
EXLATEOBJ_vInitSrcMonoXlate(&exlo, psurfDest->ppal, 0x00FFFFFF, 0);
Ret = IntEngStretchBlt(&psurfDest->SurfObj,
&psurfMask->SurfObj,
NULL,
pdcClipObj,
&exlo.xlo,
NULL,
&rcDest,
&rcSrc,
NULL,
NULL,
NULL,
rop4);
EXLATEOBJ_vCleanup(&exlo);
if(!Ret)
{
ERR("Failed to render the icon bitmap.\n");
goto Cleanup;
}
}
}
done:
#if 0
/* We're done. Was it a double buffered draw ? */
if(bOffScreen)
{
/* Yes. Draw it back to our DC */
POINTL ptSrc = {0, 0};
/* Calculate destination rectangle */
RECTL_vSetRect(&rcDest, xLeft, yTop, xLeft + cxWidth, yTop + cyHeight);
IntLPtoDP(pdc, (LPPOINT)&rcDest, 2);
RECTL_vOffsetRect(&rcDest, pdc->ptlDCOrig.x, pdc->ptlDCOrig.y);
/* Get the clip object */
pdcClipObj = pdc->rosdc.CombinedClip;
/* We now have our destination surface and rectangle */
psurfDest = pdc->dclevel.pSurface;
/* Color translation */
EXLATEOBJ_vInitialize(&exlo, psurfOffScreen->ppal, psurfDest->ppal, 0x00FFFFFF, 0x00FFFFFF, 0);
/* Blt it! */
Ret = IntEngBitBlt(&psurfDest->SurfObj,
&psurfOffScreen->SurfObj,
NULL,
pdcClipObj,
&exlo.xlo,
&rcDest,
&ptSrc,
NULL,
NULL,
NULL,
ROP4_SRCCOPY);
EXLATEOBJ_vCleanup(&exlo);
}
#endif
Cleanup:
if(pdc)
{
DC_vFinishBlit(pdc, NULL);
DC_UnlockDc(pdc);
}
#if 0
/* Delete off screen rendering surface */
if(psurfOffScreen)
GDIOBJ_vDeleteObject(&psurfOffScreen->BaseObject);
#endif
/* Unlock other surfaces */
SURFACE_ShareUnlockSurface(psurfMask);
if(psurfColor) SURFACE_ShareUnlockSurface(psurfColor);
return Ret;
}
BOOL FASTCALL UITOOLS95_DrawFrameCaption(HDC dc, LPRECT r, UINT uFlags)
{
LOGFONTW lf;
HFONT hFont, hOldFont;
COLORREF clrsave;
RECT myr;
INT bkmode;
WCHAR Symbol;
switch(uFlags & 0xff)
{
case DFCS_CAPTIONCLOSE:
Symbol = 'r';
break;
case DFCS_CAPTIONHELP:
Symbol = 's';
break;
case DFCS_CAPTIONMIN:
Symbol = '0';
break;
case DFCS_CAPTIONMAX:
Symbol = '1';
break;
case DFCS_CAPTIONRESTORE:
Symbol = '2';
break;
default:
return FALSE;
}
IntDrawRectEdge(dc,r,(uFlags&DFCS_PUSHED) ? EDGE_SUNKEN : EDGE_RAISED, BF_RECT | BF_MIDDLE | BF_SOFT);
RtlZeroMemory(&lf, sizeof(LOGFONTW));
UITOOLS_MakeSquareRect(r, &myr);
myr.left += 1;
myr.top += 1;
myr.right -= 1;
myr.bottom -= 1;
if(uFlags & DFCS_PUSHED)
RECTL_vOffsetRect(&myr,1,1);
lf.lfHeight = myr.bottom - myr.top;
lf.lfWidth = 0;
lf.lfWeight = FW_NORMAL;
lf.lfCharSet = DEFAULT_CHARSET;
lf.lfQuality = NONANTIALIASED_QUALITY;
RtlCopyMemory(lf.lfFaceName, L"Marlett", sizeof(L"Marlett"));
hFont = GreCreateFontIndirectW(&lf);
/* save font and text color */
hOldFont = NtGdiSelectFont(dc, hFont);
clrsave = GreGetTextColor(dc);
bkmode = GreGetBkMode(dc);
/* set color and drawing mode */
IntGdiSetBkMode(dc, TRANSPARENT);
if(uFlags & DFCS_INACTIVE)
{
/* draw shadow */
IntGdiSetTextColor(dc, IntGetSysColor(COLOR_BTNHIGHLIGHT));
GreTextOutW(dc, myr.left + 1, myr.top + 1, &Symbol, 1);
}
IntGdiSetTextColor(dc, IntGetSysColor((uFlags & DFCS_INACTIVE) ? COLOR_BTNSHADOW : COLOR_BTNTEXT));
/* draw selected symbol */
GreTextOutW(dc, myr.left, myr.top, &Symbol, 1);
/* restore previous settings */
IntGdiSetTextColor(dc, clrsave);
NtGdiSelectFont(dc, hOldFont);
IntGdiSetBkMode(dc, bkmode);
GreDeleteObject(hFont);
return TRUE;
}
BOOL FASTCALL
IntGetScrollBarRect (PWND Wnd, INT nBar, RECTL *lprect)
{
BOOL vertical;
*lprect = Wnd->rcClient;
RECTL_vOffsetRect( lprect, -Wnd->rcWindow.left, -Wnd->rcWindow.top );
if (Wnd->ExStyle & WS_EX_LAYOUTRTL)
mirror_rect( &Wnd->rcWindow, lprect );
switch (nBar)
{
case SB_HORZ:
lprect->top = lprect->bottom;
lprect->bottom += UserGetSystemMetrics (SM_CYHSCROLL);
if (Wnd->style & WS_BORDER)
{
lprect->left--;
lprect->right++;
}
else if (Wnd->style & WS_VSCROLL)
{
lprect->right++;
}
vertical = FALSE;
break;
case SB_VERT:
if(Wnd->ExStyle & WS_EX_LEFTSCROLLBAR)
{
lprect->right = lprect->left;
lprect->left -= UserGetSystemMetrics(SM_CXVSCROLL);
}
else
{
lprect->left = lprect->right;
lprect->right += UserGetSystemMetrics(SM_CXVSCROLL);
}
if (Wnd->style & WS_BORDER)
{
lprect->top--;
lprect->bottom++;
}
else if (Wnd->style & WS_HSCROLL)
{
lprect->bottom++;
}
vertical = TRUE;
break;
case SB_CTL:
IntGetClientRect (Wnd, lprect);
vertical = !!(Wnd->style & SBS_VERT);
break;
default:
return FALSE;
}
return vertical;
}
