[SOLVED] QAbstractItem model and pointer to class as internalPointer.

[Anticross]

I've got Model based on QAbstractItem model. As internatPointers for indaxes i use my class which looks loike this:
@
class DeviceItem : public sxProperties {
QList<DeviceItem *> items; // item's children
DeviceItem * m_parent;
}
@
where sxProperties class is some QHash based class. but when I look in debug mode some of internal pointers of valid indaxes returns not what I expect but not NULL too. Where is the problem ? Here is some source code of my model:
@int NetworkTreeModel::rowCount(const QModelIndex & parent) const {

DeviceItem * parentItem;

if (parent.column() > 0)
return 0;

if (!parent.isValid())
parentItem = NULL;
else
parentItem = static_cast<DeviceItem *> (parent.internalPointer());

if (parentItem == NULL)
return m_devices.count();
else
return parentItem->childrenCount();
}@

@QModelIndex NetworkTreeModel::index(int row, int column, const QModelIndex & parent) const {

if (!hasIndex(row, column, parent))
return QModelIndex();

DeviceItem * parentItem = NULL;

if (parent.isValid() && parent.internalPointer() != NULL)
parentItem = static_cast<DeviceItem *> (parent.internalPointer());

DeviceItem * childItem = NULL;

if (parentItem)
childItem = parentItem->child(row);
else
childItem = m_devices.at(row);

if (childItem)
return createIndex(row, column, childItem);
else
return QModelIndex();
}@

@QModelIndex NetworkTreeModel::parent(const QModelIndex & child) const {

if(!child.isValid())
return QModelIndex();

if (child.internalPointer() == NULL)
return QModelIndex();

DeviceItem * childItem = static_cast<DeviceItem *> (child.internalPointer());

if (childItem == NULL)
return QModelIndex();

DeviceItem * parentItem = childItem->parent();

if (parentItem == NULL)
return QModelIndex();

if (parentItem->parent()) {

int row = parentItem->row();

if (row >= 0)
return createIndex(row, 0, parentItem);

} else {

int ndx = m_devices.indexOf(parentItem);

if(ndx >= 0)
return createIndex(ndx, 0, parentItem);
}

return QModelIndex();
}@

[Anticross]

I find the way it works right. I use sortfilterproxy model, and when i call functions of source model with model index taket from view( currentIndex()) the internalPointer() of sourse model contains garbage. When I disable filter model it works fine. Now what can I do to use both models ?

[Anticross]

The probleb is solved. Only thing I need to use mapToSorce for indexes of my filter model to use my source model indexes internal pointers.