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comctl32: Add absolute version of iterator_frameditems.

This commit is contained in:
Owen Rudge 2009-11-02 10:57:41 -06:00 committed by Alexandre Julliard
parent 8d351a1141
commit 14991b78d8
1 changed files with 33 additions and 20 deletions
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53
dlls/comctl32/listview.c
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@ -1268,20 +1268,17 @@ static inline BOOL iterator_rangesitems(ITERATOR* i, RANGES ranges)
}
/***
* Creates an iterator over the items which intersect lprc.
* Creates an iterator over the items which intersect frame.
* Uses absolute coordinates rather than compensating for the current offset.
*/
static BOOL iterator_frameditems(ITERATOR* i, const LISTVIEW_INFO* infoPtr, const RECT *lprc)
static BOOL iterator_frameditems_absolute(ITERATOR* i, const LISTVIEW_INFO* infoPtr, const RECT *frame)
{
RECT frame = *lprc, rcItem, rcTemp;
POINT Origin;
RECT rcItem, rcTemp;
/* in case we fail, we want to return an empty iterator */
if (!iterator_empty(i)) return FALSE;
LISTVIEW_GetOrigin(infoPtr, &Origin);
TRACE("(lprc=%s)\n", wine_dbgstr_rect(lprc));
OffsetRect(&frame, -Origin.x, -Origin.y);
TRACE("(frame=%s)\n", wine_dbgstr_rect(frame));
if (infoPtr->uView == LV_VIEW_ICON || infoPtr->uView == LV_VIEW_SMALLICON)
{
@ -1290,7 +1287,7 @@ static BOOL iterator_frameditems(ITERATOR* i, const LISTVIEW_INFO* infoPtr, cons
if (infoPtr->uView == LV_VIEW_ICON && infoPtr->nFocusedItem != -1)
{
LISTVIEW_GetItemBox(infoPtr, infoPtr->nFocusedItem, &rcItem);
if (IntersectRect(&rcTemp, &rcItem, lprc))
if (IntersectRect(&rcTemp, &rcItem, frame))
i->nSpecial = infoPtr->nFocusedItem;
}
if (!(iterator_rangesitems(i, ranges_create(50)))) return FALSE;
@ -1302,7 +1299,7 @@ static BOOL iterator_frameditems(ITERATOR* i, const LISTVIEW_INFO* infoPtr, cons
rcItem.top = (LONG_PTR)DPA_GetPtr(infoPtr->hdpaPosY, nItem);
rcItem.right = rcItem.left + infoPtr->nItemWidth;
rcItem.bottom = rcItem.top + infoPtr->nItemHeight;
if (IntersectRect(&rcTemp, &rcItem, &frame))
if (IntersectRect(&rcTemp, &rcItem, frame))
ranges_additem(i->ranges, nItem);
}
return TRUE;
@ -1311,11 +1308,11 @@ static BOOL iterator_frameditems(ITERATOR* i, const LISTVIEW_INFO* infoPtr, cons
{
RANGE range;
if (frame.left >= infoPtr->nItemWidth) return TRUE;
if (frame.top >= infoPtr->nItemHeight * infoPtr->nItemCount) return TRUE;
if (frame->left >= infoPtr->nItemWidth) return TRUE;
if (frame->top >= infoPtr->nItemHeight * infoPtr->nItemCount) return TRUE;
range.lower = max(frame.top / infoPtr->nItemHeight, 0);
range.upper = min((frame.bottom - 1) / infoPtr->nItemHeight, infoPtr->nItemCount - 1) + 1;
range.lower = max(frame->top / infoPtr->nItemHeight, 0);
range.upper = min((frame->bottom - 1) / infoPtr->nItemHeight, infoPtr->nItemCount - 1) + 1;
if (range.upper <= range.lower) return TRUE;
if (!iterator_rangeitems(i, range)) return FALSE;
TRACE(" report=%s\n", debugrange(&i->range));
@ -1323,8 +1320,8 @@ static BOOL iterator_frameditems(ITERATOR* i, const LISTVIEW_INFO* infoPtr, cons
else
{
INT nPerCol = max((infoPtr->rcList.bottom - infoPtr->rcList.top) / infoPtr->nItemHeight, 1);
INT nFirstRow = max(frame.top / infoPtr->nItemHeight, 0);
INT nLastRow = min((frame.bottom - 1) / infoPtr->nItemHeight, nPerCol - 1);
INT nFirstRow = max(frame->top / infoPtr->nItemHeight, 0);
INT nLastRow = min((frame->bottom - 1) / infoPtr->nItemHeight, nPerCol - 1);
INT nFirstCol;
INT nLastCol;
INT lower;
@ -1333,13 +1330,13 @@ static BOOL iterator_frameditems(ITERATOR* i, const LISTVIEW_INFO* infoPtr, cons
if (infoPtr->nItemWidth)
{
nFirstCol = max(frame.left / infoPtr->nItemWidth, 0);
nLastCol = min((frame.right - 1) / infoPtr->nItemWidth, (infoPtr->nItemCount + nPerCol - 1) / nPerCol);
nFirstCol = max(frame->left / infoPtr->nItemWidth, 0);
nLastCol = min((frame->right - 1) / infoPtr->nItemWidth, (infoPtr->nItemCount + nPerCol - 1) / nPerCol);
}
else
{
nFirstCol = max(frame.left, 0);
nLastCol = min(frame.right - 1, (infoPtr->nItemCount + nPerCol - 1) / nPerCol);
nFirstCol = max(frame->left, 0);
nLastCol = min(frame->right - 1, (infoPtr->nItemCount + nPerCol - 1) / nPerCol);
}
lower = nFirstCol * nPerCol + nFirstRow;
@ -1364,6 +1361,22 @@ static BOOL iterator_frameditems(ITERATOR* i, const LISTVIEW_INFO* infoPtr, cons
return TRUE;
}
/***
* Creates an iterator over the items which intersect lprc.
*/
static BOOL iterator_frameditems(ITERATOR* i, const LISTVIEW_INFO* infoPtr, const RECT *lprc)
{
RECT frame = *lprc;
POINT Origin;
TRACE("(lprc=%s)\n", wine_dbgstr_rect(lprc));
LISTVIEW_GetOrigin(infoPtr, &Origin);
OffsetRect(&frame, -Origin.x, -Origin.y);
return iterator_frameditems_absolute(i, infoPtr, &frame);
}
/***
* Creates an iterator over the items which intersect the visible region of hdc.
*/