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[WIN32SS] Prevent disabled scrollbars being clickable CORE-15557

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Thanks to JIRA user 'I_Kill_Bugs.

VBox: https://reactos.org/testman/compare.php?ids=69671,69747
KVM: https://reactos.org/testman/compare.php?ids=69672,69748
This commit is contained in:
Joachim Henze 2019-11-09 15:50:10 +01:00
parent a743e33bd8
commit 19fbdda95c
1 changed files with 16 additions and 9 deletions
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25
win32ss/user/user32/controls/scrollbar.c
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@ -831,9 +831,13 @@ IntScrollHandleScrollEvent(HWND Wnd, INT SBType, UINT Msg, POINT Pt)
PrevPt = Pt;
if (SBType == SB_CTL && (GetWindowLongPtrW(Wnd, GWL_STYLE) & WS_TABSTOP)) SetFocus(Wnd);
SetCapture(Wnd);
ScrollBarInfo.rgstate[ScrollTrackHitTest] |= STATE_SYSTEM_PRESSED;
NewInfo.rgstate[ScrollTrackHitTest] = ScrollBarInfo.rgstate[ScrollTrackHitTest];
NtUserSetScrollBarInfo(Wnd, IntScrollGetObjectId(SBType), &NewInfo);
/* Don't update scrollbar if disabled. */
if (ScrollBarInfo.rgstate[ScrollTrackHitTest] != STATE_SYSTEM_UNAVAILABLE)
{
ScrollBarInfo.rgstate[ScrollTrackHitTest] |= STATE_SYSTEM_PRESSED;
NewInfo.rgstate[ScrollTrackHitTest] = ScrollBarInfo.rgstate[ScrollTrackHitTest];
NtUserSetScrollBarInfo(Wnd, IntScrollGetObjectId(SBType), &NewInfo);
}
break;
case WM_MOUSEMOVE:
@ -846,13 +850,16 @@ IntScrollHandleScrollEvent(HWND Wnd, INT SBType, UINT Msg, POINT Pt)
ReleaseCapture();
/* if scrollbar has focus, show back caret */
if (Wnd == GetFocus()) ShowCaret(Wnd);
ScrollBarInfo.rgstate[ScrollTrackHitTest] &= ~STATE_SYSTEM_PRESSED;
NewInfo.rgstate[ScrollTrackHitTest] = ScrollBarInfo.rgstate[ScrollTrackHitTest];
NtUserSetScrollBarInfo(Wnd, IntScrollGetObjectId(SBType), &NewInfo);
IntDrawScrollInterior(Wnd,Dc,SBType,Vertical,&ScrollBarInfo);
IntDrawScrollArrows(Dc, &ScrollBarInfo, Vertical);
/* Don't update scrollbar if disabled. */
if (ScrollBarInfo.rgstate[ScrollTrackHitTest] != STATE_SYSTEM_UNAVAILABLE)
{
ScrollBarInfo.rgstate[ScrollTrackHitTest] &= ~STATE_SYSTEM_PRESSED;
NewInfo.rgstate[ScrollTrackHitTest] = ScrollBarInfo.rgstate[ScrollTrackHitTest];
NtUserSetScrollBarInfo(Wnd, IntScrollGetObjectId(SBType), &NewInfo);
IntDrawScrollInterior(Wnd,Dc,SBType,Vertical,&ScrollBarInfo);
IntDrawScrollArrows(Dc, &ScrollBarInfo, Vertical);
}
break;
case WM_SYSTIMER: