/*
* @implemented
*/
BOOL
WINAPI
DECLSPEC_HOTPATCH
EnableScrollBar( HWND hwnd, UINT nBar, UINT flags )
{
BOOL Hook, Ret = FALSE;
LoadUserApiHook();
Hook = BeginIfHookedUserApiHook();
/* Bypass SEH and go direct. */
if (!Hook)
{
Ret = NtUserEnableScrollBar(hwnd, nBar, flags);
if (!Ret) return Ret;
SCROLL_RefreshScrollBar( hwnd, nBar, TRUE, TRUE );
return Ret;
}
_SEH2_TRY
{
Ret = guah.EnableScrollBar(hwnd, nBar, flags);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
}
_SEH2_END;
EndUserApiHook();
return Ret;
}
/*
* @implemented
*/
BOOL WINAPI EnableScrollBar( HWND hwnd, UINT nBar, UINT flags )
{
BOOL Hook, Ret = FALSE;
LoadUserApiHook();
Hook = BeginIfHookedUserApiHook();
/* Bypass SEH and go direct. */
if (!Hook) return NtUserEnableScrollBar(hwnd, nBar, flags);
_SEH2_TRY
{
Ret = guah.EnableScrollBar(hwnd, nBar, flags);
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
}
_SEH2_END;
EndUserApiHook();
return Ret;
}
/***********************************************************************
* ScrollBarWndProc
*/
LRESULT WINAPI
ScrollBarWndProc(WNDPROC DefWindowProc, HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
#ifdef __ODYSSEY__ // Do this now, remove after Server side is fixed.
PWND pWnd;
pWnd = ValidateHwnd(Wnd);
if (pWnd)
{
if (!pWnd->fnid)
{
NtUserSetWindowFNID(Wnd, FNID_SCROLLBAR);
}
}
#endif
if (! IsWindow(Wnd))
{
return 0;
}
switch (Msg)
{
case WM_CREATE:
IntScrollCreateScrollBar(Wnd, (LPCREATESTRUCTW) lParam);
break;
#ifdef __ODYSSEY__
case WM_DESTROY:
NtUserSetWindowFNID(Wnd, FNID_DESTROY);
return DefWindowProc(Wnd, Msg, wParam, lParam );
#endif
//#if 0 /* FIXME */
case WM_ENABLE:
{
// SCROLLBAR_INFO *infoPtr;
// if ((infoPtr = SCROLL_GetScrollBarInfo( hwnd, SB_CTL )))
// {
// infoPtr->flags = wParam ? ESB_ENABLE_BOTH : ESB_DISABLE_BOTH;
// SCROLL_RefreshScrollBar(hwnd, SB_CTL, TRUE, TRUE);
// }
HDC hdc;
DbgPrint("ScrollBarWndProc WM_ENABLE\n");
NtUserEnableScrollBar(Wnd,SB_CTL,(wParam ? ESB_ENABLE_BOTH : ESB_DISABLE_BOTH));
/* Refresh Scrollbars. */
hdc = GetDCEx( Wnd, 0, DCX_CACHE );
if (!hdc) return 1;
IntDrawScrollBar( Wnd, hdc, SB_CTL);
ReleaseDC( Wnd, hdc );
}
return 0;
//#endif
case WM_LBUTTONDBLCLK:
case WM_LBUTTONDOWN:
{
POINT Pt;
Pt.x = (short)LOWORD(lParam);
Pt.y = (short)HIWORD(lParam);
ScrollTrackScrollBar(Wnd, SB_CTL, Pt);
}
break;
case WM_LBUTTONUP:
case WM_MOUSEMOVE:
case WM_SYSTIMER:
{
POINT Pt;
Pt.x = (short)LOWORD(lParam);
Pt.y = (short)HIWORD(lParam);
IntScrollHandleScrollEvent(Wnd, SB_CTL, Msg, Pt);
}
break;
case WM_KEYDOWN:
IntScrollHandleKbdEvent(Wnd, wParam, lParam);
break;
case WM_KEYUP:
ShowCaret(Wnd);
break;
case WM_SETFOCUS:
{
/* Create a caret when a ScrollBar get focus */
RECT Rect;
int ArrowSize, ThumbSize, ThumbPos, Vertical;
Vertical = IntScrollGetScrollBarRect(Wnd, SB_CTL, &Rect,
&ArrowSize, &ThumbSize, &ThumbPos);
if (! Vertical)
{
CreateCaret(Wnd, (HBITMAP) 1, ThumbSize - 2, Rect.bottom - Rect.top - 2);
SetCaretPos(ThumbPos + 1, Rect.top + 1);
}
else
{
CreateCaret(Wnd, (HBITMAP) 1, Rect.right - Rect.left - 2, ThumbSize - 2);
SetCaretPos(Rect.top + 1, ThumbPos + 1);
}
ShowCaret(Wnd);
}
break;
case WM_KILLFOCUS:
{
RECT Rect;
int ArrowSize, ThumbSize, ThumbPos, Vertical;
Vertical = IntScrollGetScrollBarRect(Wnd, SB_CTL, &Rect,
&ArrowSize, &ThumbSize, &ThumbPos);
if (! Vertical)
{
Rect.left = ThumbPos + 1;
Rect.right = Rect.left + ThumbSize;
}
else
{
Rect.top = ThumbPos + 1;
Rect.bottom = Rect.top + ThumbSize;
}
HideCaret(Wnd);
InvalidateRect(Wnd, &Rect, FALSE);
DestroyCaret();
}
break;
case WM_ERASEBKGND:
return 1;
case WM_GETDLGCODE:
return DLGC_WANTARROWS; /* Windows returns this value */
case WM_PAINT:
{
PAINTSTRUCT Ps;
HDC Dc;
Dc = (0 != wParam ? (HDC) wParam : BeginPaint(Wnd, &Ps));
if (GetWindowLongPtrW(Wnd, GWL_STYLE) & SBS_SIZEGRIP)
{
IntScrollDrawSizeGrip(Wnd, Dc);
}
else if (0 != (GetWindowLongPtrW(Wnd, GWL_STYLE) & SBS_SIZEBOX))
{
RECT Rect;
GetClientRect(Wnd, &Rect);
FillRect(Dc, &Rect, GetSysColorBrush(COLOR_SCROLLBAR));
}
else
{
IntDrawScrollBar(Wnd, Dc, SB_CTL/*, TRUE, TRUE*/);
}
if (0 == wParam)
{
EndPaint(Wnd, &Ps);
}
}
break;
case SBM_SETPOS:
return SetScrollPos(Wnd, SB_CTL, wParam, (BOOL) lParam);
case SBM_GETPOS:
return IntScrollGetScrollPos(Wnd, SB_CTL);
case SBM_SETRANGEREDRAW:
case SBM_SETRANGE:
{
INT OldPos = IntScrollGetScrollPos(Wnd, SB_CTL);
SetScrollRange(Wnd, SB_CTL, wParam, lParam, FALSE);
if (Msg == SBM_SETRANGEREDRAW)
SCROLL_RefreshScrollBar( Wnd, SB_CTL, TRUE, TRUE );
if (OldPos != IntScrollGetScrollPos(Wnd, SB_CTL)) return OldPos;
}
return 0;
case SBM_GETRANGE:
return IntScrollGetScrollRange(Wnd, SB_CTL, (LPINT) wParam, (LPINT) lParam);
case SBM_ENABLE_ARROWS:
return EnableScrollBar(Wnd, SB_CTL, wParam);
case SBM_SETSCROLLINFO:
return NtUserSetScrollInfo(Wnd, SB_CTL, (SCROLLINFO *) lParam, wParam);
case SBM_GETSCROLLINFO:
return NtUserSBGetParms(Wnd, SB_CTL, NULL, (SCROLLINFO *) lParam);
case SBM_GETSCROLLBARINFO:
((PSCROLLBARINFO)lParam)->cbSize = sizeof(SCROLLBARINFO);
return NtUserGetScrollBarInfo(Wnd, OBJID_CLIENT, (PSCROLLBARINFO)lParam);
case 0x00e5:
case 0x00e7:
case 0x00e8:
case 0x00ec:
case 0x00ed:
case 0x00ee:
case 0x00ef:
WARN("unknown Win32 msg %04x wp=%08lx lp=%08lx\n",
Msg, wParam, lParam );
break;
default:
if (WM_USER <= Msg)
{
WARN("unknown msg %04x wp=%04lx lp=%08lx\n", Msg, wParam, lParam);
}
return DefWindowProc(Wnd, Msg, wParam, lParam );
}
return 0;
}
