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[NTUSER] Delete temporary workarounds in co_IntSetScrollInfo() (#4985)

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fixes JIRA issue: CORE-18050

improves the code by removing ancient hacks (the static variables)

reduces testbot failures
VBox: https://reactos.org/testman/compare.php?ids=85831,85832 LGTM (-2 failures in user32:scroll for both bots)
KVM: https://reactos.org/testman/compare.php?ids=85829,85833 LGTM (-2 failures in user32:scroll for both bots)

co-authored by Doug-Lyons
This commit is contained in:
Joachim Henze 2023-02-12 00:35:27 +01:00 committed by GitHub
parent a38d19ebce
commit 5ad5737370
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 54 deletions
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60
win32ss/user/ntuser/scrollbar.c
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@ -488,20 +488,15 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
UINT new_flags;
INT action = 0;
PSBDATA pSBData;
DWORD OldPos = 0, CurrentPos = 0;
DWORD OldPos = 0;
BOOL bChangeParams = FALSE; /* Don't show/hide scrollbar if params don't change */
UINT MaxPage;
int MaxPos;
/* [0] = SB_HORZ, [1] = SB_VERT, [2] = SB_CTL */
static PWND PrevHwnd[3] = { 0 };
static DWORD PrevPos[3] = { 0 };
static DWORD PrevMax[3] = { 0 };
static INT PrevAction[3] = { 0 };
BOOL bVisible;
ASSERT_REFS_CO(Window);
if(!SBID_IS_VALID(nBar)) /* Assures nBar is 0, 1, or 2 */
if(!SBID_IS_VALID(nBar))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
ERR("Trying to set scrollinfo for unknown scrollbar type %d\n", nBar);
@ -548,9 +543,9 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
/* Set the scroll pos */
if (lpsi->fMask & SIF_POS)
{
OldPos = Info->nPos;
if (Info->nPos != lpsi->nPos)
{
OldPos = Info->nPos;
Info->nPos = lpsi->nPos;
pSBData->pos = lpsi->nPos;
}
@ -645,16 +640,6 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
}
//done:
if ((Window != PrevHwnd[nBar]) || (action != PrevAction[nBar]))
{
if ((action == SA_SSI_SHOW) && (PrevAction[nBar] == SA_SSI_HIDE))
{
co_UserShowScrollBar(Window, nBar, TRUE, TRUE);
}
}
if ((action != PrevAction[nBar]) && action != 0)
PrevAction[nBar] = action;
if ( action & SA_SSI_HIDE )
{
co_UserShowScrollBar(Window, nBar, FALSE, FALSE);
@ -685,7 +670,6 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
{
if (!(Info->fMask & SIF_THEMED)) /* Not Using Themes */
{
TRACE("Not using themes.\n");
if (action & SA_SSI_REPAINT_ARROWS)
{
// Redraw the entire bar.
@ -702,50 +686,18 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
IntRefeshScrollInterior(Window, nBar, psbi);
}
}
else /* Using Themes */
else /* Using Themes */
{
RECTL UpdateRect = psbi->rcScrollBar;
TRACE("Using themes.\n");
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;
/* Just paint the interior and not the arrows. */
if (!(action & SA_SSI_REPAINT_ARROWS))
{
if (nBar == SB_HORZ)
{
UpdateRect.left += psbi->dxyLineButton;
UpdateRect.right -= psbi->dxyLineButton;
}
if (nBar == SB_VERT)
{
UpdateRect.top += psbi->dxyLineButton;
UpdateRect.bottom -= psbi->dxyLineButton;
}
}
CurrentPos = lpsi->fMask & SIF_PREVIOUSPOS ? OldPos : pSBData->pos;
/* Check for changes to Window or CurrentPos or lpsi->nMax */
if ((Window != PrevHwnd[nBar]) || (CurrentPos != PrevPos[nBar]) ||
(lpsi->nMax != PrevMax[nBar]))
{
if (bChangeParams || (OldPos != pSBData->pos))
co_UserRedrawWindow(Window, &UpdateRect, 0, RDW_INVALIDATE | RDW_FRAME);
PrevHwnd[nBar] = Window;
PrevPos[nBar] = CurrentPos;
PrevMax[nBar] = lpsi->nMax;
}
}
} // 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);
}
*/ }
}
if (bChangeParams && (nBar == SB_HORZ || nBar == SB_VERT) && (lpsi->fMask & SIF_DISABLENOSCROLL))
{