bool KWidget::itemPanel() const
{
QGraphicsItem::GraphicsItemFlags vals = QGraphicsWidget::flags();
return vals.testFlag(QGraphicsItem::ItemIsPanel) && acceptHoverEvents();
}
void CodeAtlas::LodManager::computeChildLod(SymbolNode::Ptr& parent,
LodStatus parentStatus,
float parentProjD,
float parentClassD,
int depth)
{
for (SymbolNode::ChildIterator pChild = parent->childBegin();
pChild != parent->childEnd(); ++pChild)
{
const SymbolInfo& childInfo = pChild.key();
SymbolNode::Ptr& child = pChild.value();
if (childInfo.elementType() & SymbolInfo::Block)
continue;
// determine node lod status
NodeUIItem::Ptr uiItem = UIUtility::getUIItem(child);
LodStatus lodStatus = parentStatus;
float projD = parentProjD, classD = parentClassD;
if (uiItem.isNull())
{
lodStatus = parentStatus;
}
else if (!uiItem->mapRectToScene(uiItem->boundingRect()).intersects(m_viewRect))
{
lodStatus = parentStatus;
}
// hide all childs
else if (parentStatus & (LOD_INVISIBLE | LOD_FOLDED))
{
lodStatus = LOD_INVISIBLE;
uiItem->setLodStatus(LOD_INVISIBLE);
}
else
{
SymbolInfo::ElementType type = childInfo.elementType();
float viewDiam = uiItem->getEntityRadius() * m_lod * 2;
if (type & (SymbolInfo::Class | SymbolInfo::Enum | SymbolInfo::Namespace))
{
classD = viewDiam;
if (m_lod < 0.01 && parentProjD < 150)
lodStatus = LOD_INVISIBLE;
else if (m_lod > 0.1 || viewDiam > 200)
lodStatus = LOD_EXPANDED;
else
lodStatus = LOD_FOLDED;
}
else if (type & (SymbolInfo::FunctionSignalSlot | SymbolInfo::Variable | SymbolInfo::Enumerator | SymbolInfo::Macro))
{
if (m_lod > 0.4 || viewDiam > 10)
lodStatus = LOD_EXPANDED;
else if (m_lod < 0.1 && parentProjD < 150)
lodStatus = LOD_INVISIBLE;
else
lodStatus = LOD_FOLDED;
}
else if (type & (SymbolInfo::Project))
{
projD = viewDiam;
// if (m_lod < 0.01)
// lodStatus = LOD_INVISIBLE;
if (m_lod > 0.01 || viewDiam > 150)
lodStatus = LOD_EXPANDED;
else
lodStatus = LOD_FOLDED;
}
else
{
// always expanded
lodStatus = LOD_EXPANDED;
}
uiItem->setLodStatus(lodStatus);
}
if (uiItem)
{
bool newSelectableFlag = lodStatus != LOD_INVISIBLE;
QGraphicsItem::GraphicsItemFlags flags = uiItem->flags();
if (flags.testFlag(QGraphicsItem::ItemIsSelectable) != newSelectableFlag)
uiItem->setFlag(QGraphicsItem::ItemIsSelectable, lodStatus != LOD_INVISIBLE);
}
computeChildLod(child, lodStatus, projD, classD, depth + 1);
}
}
