void CFX_ListCtrl::SetScrollPosY(FX_FLOAT fy) {
if (!IsFloatEqual(m_ptScrollPos.y, fy)) {
CFX_FloatRect rcPlate = GetPlateRect();
CFX_FloatRect rcContent = GetContentRectInternal();
if (rcPlate.Height() > rcContent.Height()) {
fy = rcPlate.top;
} else {
if (IsFloatSmaller(fy - rcPlate.Height(), rcContent.bottom)) {
fy = rcContent.bottom + rcPlate.Height();
} else if (IsFloatBigger(fy, rcContent.top)) {
fy = rcContent.top;
}
}
m_ptScrollPos.y = fy;
InvalidateItem(-1);
if (m_pNotify) {
if (!m_bNotifyFlag) {
m_bNotifyFlag = true;
m_pNotify->IOnSetScrollPosY(fy);
m_bNotifyFlag = false;
}
}
}
}
int32_t CFX_ListCtrl::GetItemIndex(const CFX_PointF& point) const {
CFX_PointF pt = OuterToInner(OutToIn(point));
bool bFirst = true;
bool bLast = true;
for (int32_t i = 0, sz = m_aListItems.GetSize(); i < sz; i++) {
if (CFX_ListItem* pListItem = m_aListItems.GetAt(i)) {
CLST_Rect rcListItem = pListItem->GetRect();
if (IsFloatBigger(pt.y, rcListItem.top)) {
bFirst = false;
}
if (IsFloatSmaller(pt.y, rcListItem.bottom)) {
bLast = false;
}
if (pt.y >= rcListItem.top && pt.y < rcListItem.bottom) {
return i;
}
}
}
if (bFirst)
return 0;
if (bLast)
return m_aListItems.GetSize() - 1;
return -1;
}
CPVT_WordPlace CSection::SearchWordPlace(const CFX_FloatPoint& point) const {
ASSERT(m_pVT);
CPVT_WordPlace place = GetBeginWordPlace();
bool bUp = true;
bool bDown = true;
int32_t nLeft = 0;
int32_t nRight = m_LineArray.GetSize() - 1;
int32_t nMid = m_LineArray.GetSize() / 2;
FX_FLOAT fTop = 0;
FX_FLOAT fBottom = 0;
while (nLeft <= nRight) {
if (CLine* pLine = m_LineArray.GetAt(nMid)) {
fTop = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineAscent -
m_pVT->GetLineLeading(m_SecInfo);
fBottom = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineDescent;
if (IsFloatBigger(point.y, fTop)) {
bUp = false;
}
if (IsFloatSmaller(point.y, fBottom)) {
bDown = false;
}
if (IsFloatSmaller(point.y, fTop)) {
nRight = nMid - 1;
nMid = (nLeft + nRight) / 2;
continue;
} else if (IsFloatBigger(point.y, fBottom)) {
nLeft = nMid + 1;
nMid = (nLeft + nRight) / 2;
continue;
} else {
place = SearchWordPlace(
point.x,
CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()),
pLine->GetEndWordPlace()));
place.nLineIndex = nMid;
return place;
}
}
}
if (bUp) {
place = GetBeginWordPlace();
}
if (bDown) {
place = GetEndWordPlace();
}
return place;
}
void CFX_ListCtrl::ScrollToListItem(int32_t nItemIndex) {
if (!IsValid(nItemIndex))
return;
CFX_FloatRect rcPlate = GetPlateRect();
CFX_FloatRect rcItem = GetItemRectInternal(nItemIndex);
CFX_FloatRect rcItemCtrl = GetItemRect(nItemIndex);
if (IsFloatSmaller(rcItemCtrl.bottom, rcPlate.bottom)) {
if (IsFloatSmaller(rcItemCtrl.top, rcPlate.top)) {
SetScrollPosY(rcItem.bottom + rcPlate.Height());
}
} else if (IsFloatBigger(rcItemCtrl.top, rcPlate.top)) {
if (IsFloatBigger(rcItemCtrl.bottom, rcPlate.bottom)) {
SetScrollPosY(rcItem.top);
}
}
}
CPVT_WordPlace CPDF_VariableText::SearchWordPlace(
const CFX_FloatPoint& point) const {
CFX_FloatPoint pt = OutToIn(point);
CPVT_WordPlace place = GetBeginWordPlace();
int32_t nLeft = 0;
int32_t nRight = m_SectionArray.GetSize() - 1;
int32_t nMid = m_SectionArray.GetSize() / 2;
FX_BOOL bUp = TRUE;
FX_BOOL bDown = TRUE;
while (nLeft <= nRight) {
if (CSection* pSection = m_SectionArray.GetAt(nMid)) {
if (IsFloatBigger(pt.y, pSection->m_SecInfo.rcSection.top)) {
bUp = FALSE;
}
if (IsFloatBigger(pSection->m_SecInfo.rcSection.bottom, pt.y)) {
bDown = FALSE;
}
if (IsFloatSmaller(pt.y, pSection->m_SecInfo.rcSection.top)) {
nRight = nMid - 1;
nMid = (nLeft + nRight) / 2;
continue;
} else if (IsFloatBigger(pt.y, pSection->m_SecInfo.rcSection.bottom)) {
nLeft = nMid + 1;
nMid = (nLeft + nRight) / 2;
continue;
} else {
place = pSection->SearchWordPlace(
CFX_FloatPoint(pt.x - pSection->m_SecInfo.rcSection.left,
pt.y - pSection->m_SecInfo.rcSection.top));
place.nSecIndex = nMid;
return place;
}
} else {
break;
}
}
if (bUp)
place = GetBeginWordPlace();
if (bDown)
place = GetEndWordPlace();
return place;
}
