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[WIN32SS] Disable scrollbars when SIF_DISABLENOSCROLL is used

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CORE-13918
This commit is contained in:
Mark Jansen 2018-10-21 19:09:09 +02:00
parent 824e5dba51
commit 929a2c6637
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GPG key ID: B39240EE84BEAE8B
1 changed files with 18 additions and 0 deletions
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18
win32ss/user/ntuser/scrollbar.c
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@ -58,6 +58,10 @@ DBG_DEFAULT_CHANNEL(UserScrollbar);
/* FUNCTIONS *****************************************************************/
BOOL APIENTRY
IntEnableScrollBar(BOOL Horz, PSCROLLBARINFO Info, UINT wArrows);
/* Ported from WINE20020904 */
/* Compute the scroll bar rectangle, in drawing coordinates (i.e. client coords for SB_CTL, window coords for SB_VERT and
* SB_HORZ). 'arrowSize' returns the width or height of an arrow (depending on * the orientation of the scrollbar),
@ -203,6 +207,14 @@ IntCalculateThumb(PWND Wnd, LONG idObject, PSCROLLBARINFO psbi, PSBDATA pSBData)
psbi->xyThumbBottom = 0;
ThumbPos = Thumb;
}
else if (psbi->rgstate[SBRG_TOPRIGHTBTN] == STATE_SYSTEM_UNAVAILABLE &&
psbi->rgstate[SBRG_BOTTOMLEFTBTN] == STATE_SYSTEM_UNAVAILABLE &&
pSBData->posMin >= (int)(pSBData->posMax - max(pSBData->page - 1, 0)))
{
/* Nothing to scroll */
psbi->xyThumbTop = 0;
psbi->xyThumbBottom = 0;
}
else
{
ThumbBox = pSBData->page ? MINTRACKTHUMB : UserGetSystemMetrics(SM_CXHTHUMB);
@ -642,6 +654,12 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL bRedraw)
co_UserRedrawWindow(Window, &UpdateRect, 0, RDW_INVALIDATE | RDW_FRAME);
}
*/ }
if (bChangeParams && (nBar == SB_HORZ || nBar == SB_VERT) && (lpsi->fMask & SIF_DISABLENOSCROLL))
{
IntEnableScrollBar(nBar == SB_HORZ, psbi, Window->pSBInfo->WSBflags);
}
/* Return current position */
return lpsi->fMask & SIF_PREVIOUSPOS ? OldPos : pSBData->pos;
}