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[LISTVIEW] Add basic support for LVS_EX_SNAPTOGRID

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This commit is contained in:
Charles Ambrye 2020-04-19 19:41:54 -07:00 committed by Giannis Adamopoulos
parent fbee8fa99e
commit 733a32dade
1 changed files with 15 additions and 0 deletions
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15
dll/win32/comctl32/listview.c
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@ -8749,6 +8749,13 @@ static DWORD LISTVIEW_SetExtendedListViewStyle(LISTVIEW_INFO *infoPtr, DWORD mas
LISTVIEW_UpdateScroll(infoPtr);
}
#ifdef __REACTOS__
if ((infoPtr->dwLvExStyle & LVS_EX_SNAPTOGRID) > (old_ex_style & LVS_EX_SNAPTOGRID))
{
LISTVIEW_Arrange(infoPtr, LVA_SNAPTOGRID);
}
#endif
LISTVIEW_InvalidateList(infoPtr);
return old_ex_style;
}
@ -9082,6 +9089,14 @@ static BOOL LISTVIEW_SetItemPosition(LISTVIEW_INFO *infoPtr, INT nItem, const PO
Pt.x -= Origin.x;
Pt.y -= Origin.y;
#ifdef __REACTOS__
if (infoPtr->dwLvExStyle & LVS_EX_SNAPTOGRID)
{
Pt.x = max(0, Pt.x + (infoPtr->nItemWidth >> 1) - (Pt.x + (infoPtr->nItemWidth >> 1)) % infoPtr->nItemWidth);
Pt.y = max(0, Pt.y + (infoPtr->nItemHeight >> 1) - (Pt.y + (infoPtr->nItemHeight >> 1)) % infoPtr->nItemHeight);
}
#endif
return LISTVIEW_MoveIconTo(infoPtr, nItem, &Pt, FALSE);
}