FX_BOOL CFX_ListCtrl::IsItemVisible(int32_t nItemIndex) const
{
CPDF_Rect rcPlate = GetPlateRect();
CPDF_Rect rcItem = GetItemRect(nItemIndex);
return rcItem.bottom >= rcPlate.bottom && rcItem.top <= rcPlate.top;
}
CPDF_Point CFX_ListCtrl::OutToIn(const CPDF_Point & point) const
{
CPDF_Rect rcPlate = GetPlateRect();
return CPDF_Point(point.x + (m_ptScrollPos.x - rcPlate.left),
point.y + (m_ptScrollPos.y - rcPlate.top));
}
void CFX_ListCtrl::InvalidateItem(int32_t nItemIndex)
{
if (m_pNotify)
{
if (nItemIndex == -1)
{
if (!m_bNotifyFlag)
{
m_bNotifyFlag = TRUE;
CPDF_Rect rcRefresh = GetPlateRect();
m_pNotify->IOnInvalidateRect(&rcRefresh);
m_bNotifyFlag = FALSE;
}
}
else
{
if (!m_bNotifyFlag)
{
m_bNotifyFlag = TRUE;
CPDF_Rect rcRefresh = GetItemRect(nItemIndex);
rcRefresh.left -= 1.0f;
rcRefresh.right += 1.0f;
rcRefresh.bottom -= 1.0f;
rcRefresh.top += 1.0f;
m_pNotify->IOnInvalidateRect(&rcRefresh);
m_bNotifyFlag = FALSE;
}
}
}
}
void CFX_ListCtrl::SetTopItem(int32_t nIndex) {
if (IsValid(nIndex)) {
GetPlateRect();
CFX_FloatRect rcItem = GetItemRectInternal(nIndex);
SetScrollPosY(rcItem.top);
}
}
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;
}
}
}
}
void CFX_ListCtrl::SetTopItem(int32_t nIndex)
{
if (IsValid(nIndex))
{
GetPlateRect();
CPDF_Rect rcItem = CFX_List::GetItemRect(nIndex);
SetScrollPosY(rcItem.top);
}
}
CFX_FloatRect CFX_ListCtrl::GetItemRectInternal(int32_t nIndex) const {
if (CFX_ListItem* pListItem = m_aListItems.GetAt(nIndex)) {
CFX_FloatRect rcItem = pListItem->GetRect();
rcItem.left = 0.0f;
rcItem.right = GetPlateRect().Width();
return InnerToOuter(CLST_Rect(rcItem));
}
return CFX_FloatRect();
}
CPDF_Rect CFX_List::GetItemRect(int32_t nIndex) const
{
if (CFX_ListItem * pListItem = m_aListItems.GetAt(nIndex))
{
CPDF_Rect rcItem = pListItem->GetRect();
rcItem.left = 0.0f;
rcItem.right = GetPlateRect().Width();
return InnerToOuter(rcItem);
}
return CPDF_Rect();
}
void CFX_ListCtrl::SetScrollInfo() {
if (m_pNotify) {
CFX_FloatRect rcPlate = GetPlateRect();
CFX_FloatRect rcContent = GetContentRectInternal();
if (!m_bNotifyFlag) {
m_bNotifyFlag = true;
m_pNotify->IOnSetScrollInfoY(rcPlate.bottom, rcPlate.top,
rcContent.bottom, rcContent.top,
GetFirstHeight(), rcPlate.Height());
m_bNotifyFlag = false;
}
}
}
void CFX_ListCtrl::SetScrollInfo()
{
if (m_pNotify)
{
CPDF_Rect rcPlate = GetPlateRect();
CPDF_Rect rcContent = CFX_List::GetContentRect();
if (!m_bNotifyFlag)
{
m_bNotifyFlag = TRUE;
m_pNotify->IOnSetScrollInfoY(rcPlate.bottom, rcPlate.top,
rcContent.bottom, rcContent.top, GetFirstHeight(), rcPlate.Height());
m_bNotifyFlag = FALSE;
}
}
}
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);
}
}
}
void CFX_ListCtrl::SetScrollPosY(FX_FLOAT fy)
{
if (!FX_EDIT_IsFloatEqual(m_ptScrollPos.y,fy))
{
CPDF_Rect rcPlate = GetPlateRect();
CPDF_Rect rcContent = CFX_List::GetContentRect();
if (rcPlate.Height() > rcContent.Height())
{
fy = rcPlate.top;
}
else
{
if (FX_EDIT_IsFloatSmaller(fy - rcPlate.Height(), rcContent.bottom))
{
fy = rcContent.bottom + rcPlate.Height();
}
else if (FX_EDIT_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;
}
}
}
}
CFX_PointF CFX_ListCtrl::OutToIn(const CFX_PointF& point) const {
CFX_FloatRect rcPlate = GetPlateRect();
return CFX_PointF(point.x + (m_ptScrollPos.x - rcPlate.left),
point.y + (m_ptScrollPos.y - rcPlate.top));
}
