HelpViewer * addPage(const QUrl &url, qreal zoom=0)
void removePage(int index)
int columnCount(const QModelIndex &parent=QModelIndex()) const override
Returns the number of columns for the children of the given parent.
int rowCount(const QModelIndex &parent=QModelIndex()) const override
Returns the number of rows under the given parent.
QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const override
Returns the data stored under the given role for the item referred to by the index.
HelpViewer * pageAt(int index) const