QModelIndex Class Reference

The QModelIndex class is used to locate data in a data model. More...

#include <qabstractitemmodel.h>

Public Functions
QModelIndex	child (int row, int column) const
	Returns the child of the model index that is stored in the given row and column. More...
int	column () const
	Returns the column this model index refers to. More...
QVariant	data (int role=Qt::DisplayRole) const
	Returns the data for the given role for the item referred to by the index. More...
Qt::ItemFlags	flags () const
	Returns the flags for the item referred to by the index. More...
qint64	internalId () const
	Returns a qint64 used by the model to associate the index with the internal data structure. More...
void *	internalPointer () const
	Returns a void * pointer used by the model to associate the index with the internal data structure. More...
bool	isValid () const
	Returns true if this model index is valid; otherwise returns false. More...
const QAbstractItemModel *	model () const
	Returns a pointer to the model containing the item that this index refers to. More...
bool	operator!= (const QModelIndex &other) const
	Returns true if this model index does not refer to the same location as the other model index; otherwise returns false. More...
bool	operator< (const QModelIndex &other) const
	Returns true if this model index is smaller than the other model index; otherwise returns false. More...
bool	operator== (const QModelIndex &other) const
	Returns true if this model index refers to the same location as the other model index; otherwise returns false. More...
QModelIndex	parent () const
	Returns the parent of the model index, or QModelIndex() if it has no parent. More...
	QModelIndex ()
	Creates a new empty model index. More...
	QModelIndex (const QModelIndex &other)
	Creates a new model index that is a copy of the other model index. More...
int	row () const
	Returns the row this model index refers to. More...
QModelIndex	sibling (int row, int column) const
	Returns the sibling at row and column. More...
	~QModelIndex ()
	Destroys the model index. More...

Private Functions
	QModelIndex (int row, int column, void *ptr, const QAbstractItemModel *model)

Properties
int	c
const QAbstractItemModel *	m
void *	p
int	r

Friends
class	QAbstractItemModel
class	QProxyModel

Related Functions
(Note that these are not member functions.)
	QModelIndexList
	Synonym for QList<QModelIndex>. More...

Detailed Description

The QModelIndex class is used to locate data in a data model.

This class is used as an index into item models derived from QAbstractItemModel. The index is used by item views, delegates, and selection models to locate an item in the model.

New QModelIndex objects are created by the model using the QAbstractItemModel::createIndex() function. An invalid model index can be constructed with the QModelIndex constructor. Invalid indexes are often used as parent indexes when referring to top-level items in a model.

Model indexes refer to items in models, and contain all the information required to specify their locations in those models. Each index is located in a given row and column, and may have a parent index; use row(), column(), and parent() to obtain this information. Each top-level item in a model is represented by a model index that does not have a parent index - in this case, parent() will return an invalid model index, equivalent to an index constructed with the zero argument form of the QModelIndex() constructor.

To obtain a model index that refers to an existing item in a model, call QAbstractItemModel::index() with the required row and column values, and the model index of the parent. When referring to top-level items in a model, supply QModelIndex() as the parent index.

The model() function returns the model that the index references as a QAbstractItemModel. The child() function is used to examine items held under the index in the model. The sibling() function allows you to traverse items in the model on the same level as the index.

Note

Model indexes should be used immediately and then discarded. You should not rely on indexes to remain valid after calling model functions that change the structure of the model or delete items. If you need to keep a model index over time use a QPersistentModelIndex.

See also

{Model/View Programming}, QPersistentModelIndex, QAbstractItemModel

Definition at line 58 of file qabstractitemmodel.h.

Constructors and Destructors

QModelIndex() [1/3]

QModelIndex::QModelIndex ( )

inline

Creates a new empty model index.

This type of model index is used to indicate that the position in the model is invalid.

See also

isValid() QAbstractItemModel

Definition at line 63 of file qabstractitemmodel.h.

Referenced by child(), parent(), and sibling().

: r(-1), c(-1), p(0), m(0) {}

QModelIndex() [2/3]

QModelIndex::QModelIndex ( const QModelIndex &  other )

inline

Creates a new model index that is a copy of the other model index.

Definition at line 64 of file qabstractitemmodel.h.

        : r(other.r), c(other.c), p(other.p), m(other.m) {}

~QModelIndex()

QModelIndex::~QModelIndex ( )

inline

Destroys the model index.

Definition at line 66 of file qabstractitemmodel.h.

{ p = 0; m = 0; }

QModelIndex() [3/3]

QModelIndex::QModelIndex ( int  row, int  column, void *  data, const QAbstractItemModel *  model  )

inlineprivate

Warning

This function is not part of the public interface.

Creates a new model index at the given row and column, pointing to some data.

Definition at line 388 of file qabstractitemmodel.h.

    : r(arow), c(acolumn), p(adata), m(amodel) {}

Functions

child()

QModelIndex QModelIndex::child ( int  row, int  column  ) const

inline

Returns the child of the model index that is stored in the given row and column.

Note

This function does not work for an invalid model index which is often used as the root index.

See also

parent(), sibling()

Definition at line 398 of file qabstractitemmodel.h.

Referenced by QPersistentModelIndex::child(), and ModelIndexIterator::ModelIndexIterator().

{ return m ? m->index(arow, acolumn, *this) : QModelIndex(); }

column()

int QModelIndex::column ( ) const

inline

Returns the column this model index refers to.

Definition at line 68 of file qabstractitemmodel.h.

Referenced by QItemSelectionModelPrivate::_q_columnsAboutToBeRemoved(), QAbstractItemViewPrivate::_q_columnsAboutToBeRemoved(), QListWidgetPrivate::_q_dataChanged(), QTableWidgetPrivate::_q_dataChanged(), QTreeWidgetPrivate::_q_dataChanged(), QTableWidgetPrivate::_q_emitCurrentItemChanged(), QTableWidgetPrivate::_q_emitItemActivated(), QTreeWidgetPrivate::_q_emitItemActivated(), QStandardItemModelPrivate::_q_emitItemChanged(), QTableWidgetPrivate::_q_emitItemChanged(), QTreeWidgetPrivate::_q_emitItemChanged(), QTableWidgetPrivate::_q_emitItemClicked(), QTreeWidgetPrivate::_q_emitItemClicked(), QTableWidgetPrivate::_q_emitItemDoubleClicked(), QTreeWidgetPrivate::_q_emitItemDoubleClicked(), QTableWidgetPrivate::_q_emitItemEntered(), QTreeWidgetPrivate::_q_emitItemEntered(), QTableWidgetPrivate::_q_emitItemPressed(), QTreeWidgetPrivate::_q_emitItemPressed(), QHeaderViewPrivate::_q_layoutChanged(), QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(), QSortFilterProxyModelPrivate::_q_sourceDataChanged(), QTableViewPrivate::accessibleTable2Index(), QTreeViewPrivate::accessibleTable2Index(), QTreeViewPrivate::adjustViewOptionsForIndex(), QAbstractItemModelPrivate::allowMove(), QSortFilterProxyModelPrivate::can_create_mapping(), QAccessibleTree::childAt(), QPersistentModelIndex::column(), QDirModel::columnCount(), QFileSystemModel::columnCount(), QAccessibleTable2Cell::columnHeaderCells(), QAccessibleTable2Cell::columnIndex(), QTreeViewPrivate::columnRanges(), QAbstractItemModelPrivate::columnsAboutToBeInserted(), QAbstractItemModelPrivate::columnsAboutToBeRemoved(), QAbstractItemModelPrivate::columnsInserted(), QAbstractItemModelPrivate::columnsRemoved(), QItemSelectionRange::contains(), QScriptDebuggerLocalsItemDelegate::createEditor(), QScriptBreakpointsItemDelegate::createEditor(), QPPDOptionsEditor::createEditor(), QHeaderView::currentChanged(), QTreeView::currentChanged(), QTableWidget::currentColumn(), QTreeWidget::currentColumn(), QUndoModel::data(), QSqlQueryModel::data(), QScriptDebuggerStackModel::data(), QSqlTableModel::data(), QScriptDebuggerLocalsModel::data(), QDirModel::data(), QSqlRelationalTableModel::data(), QScriptBreakpointsModel::data(), QFileSystemModel::data(), QTreeModel::data(), QPPDOptionsModel::data(), QCalendarModel::data(), QUrlModel::dataChanged(), QTreeView::dataChanged(), QHeaderView::dataChanged(), QIconModeViewBase::dataChanged(), QAbstractItemViewPrivate::delegateForIndex(), QTreeViewPrivate::draggablePaintPairs(), QTableWidget::dropEvent(), QSortFilterProxyModel::dropMimeData(), QTableModel::dropMimeData(), QAbstractTableModel::dropMimeData(), QAbstractItemViewPrivate::dropOn(), QListModeViewBase::dropOn(), QAbstractItemModel::endMoveColumns(), QAbstractItemModel::endMoveRows(), QListModel::ensureSorted(), QTreeModel::ensureSorted(), QSortFilterProxyModelPrivate::filter_changed(), QSqlTableModel::flags(), QScriptDebuggerLocalsModel::flags(), QDirModel::flags(), QScriptBreakpointsModel::flags(), QFileSystemModel::flags(), QPPDOptionsModel::flags(), QCalendarModel::flags(), QCalendarWidgetPrivate::getCurrentDate(), QCalendarView::handleMouseEvent(), QFileSystemModel::hasChildren(), QDirModel::hasChildren(), QSqlQueryModel::headerData(), QAbstractProxyModel::headerData(), QDirModel::index(), QFileSystemModel::index(), QTreeView::indexAt(), QSqlQueryModel::indexInQuery(), QSqlTableModel::indexInQuery(), QAccessibleTree::indexOfChild(), QAbstractItemModelPrivate::indexValid(), QTreeModel::insertColumns(), QTreeModel::insertRows(), QSqlTableModel::isDirty(), QTableView::isIndexHidden(), QListView::isIndexHidden(), QTreeView::isIndexHidden(), QAbstractItemViewPrivate::isIndexValid(), QTableModel::isValid(), QTableModel::item(), QTreeModel::itemData(), QStandardItemModelPrivate::itemFromIndex(), QStandardItemModel::itemFromIndex(), QAbstractItemModelPrivate::itemsAboutToBeMoved(), QTreeView::keyboardSearch(), QAbstractItemView::keyboardSearch(), QAccessibleTable2::logicalIndex(), QIdentityProxyModel::mapFromSource(), QCompletionModel::mapFromSource(), QIdentityProxyModel::mapToSource(), QCompletionModel::mapToSource(), QAbstractItemModel::match(), mergeIndexes(), QUrlModel::mimeData(), QTreeModel::mimeData(), QColumnView::moveCursor(), QTableView::moveCursor(), QTreeView::moveCursor(), QCalendarView::moveCursor(), QAbstractItemModelPrivate::movePersistentIndexes(), QItemSelectionRange::operator<(), operator<<(), QCalendarDelegate::paint(), QCompleter::pathFromIndex(), QSqlQueryModelPrivate::prefetch(), QSortFilterProxyModelPrivate::proxy_to_source(), qContainsIndex(), qHash(), QListViewPrivate::rectForIndex(), QAccessibleTable2Cell::rowColumnExtents(), QDirModel::rowCount(), QFileSystemModel::rowCount(), QAbstractItemView::rowsAboutToBeRemoved(), QAbstractItemModelPrivate::rowsInserted(), QTreeView::rowsInserted(), QAbstractItemModelPrivate::rowsRemoved(), QDirModelPrivate::savePersistentIndexes(), QTableView::scrollTo(), QListView::scrollTo(), QTreeView::scrollTo(), QItemSelection::select(), QTableViewPrivate::selectColumn(), QAccessibleTable2::selectedColumns(), QListView::selectedIndexes(), QTreeView::selectionChanged(), QComboBoxPrivate::setCurrentIndex(), QDataWidgetMapper::setCurrentModelIndex(), QSqlTableModel::setData(), QDirModel::setData(), QSqlRelationalTableModel::setData(), QScriptBreakpointsModel::setData(), QFileSystemModel::setData(), QTreeModel::setData(), QTableModel::setData(), QPPDOptionsEditor::setEditorData(), QAbstractProxyModel::setHeaderData(), QTableModel::setItemData(), QScriptDebuggerLocalsItemDelegate::setModelData(), QScriptBreakpointsItemDelegate::setModelData(), QListView::setPositionForIndex(), QTableView::setSelection(), QUndoModel::setStackCurrentIndex(), QFileDialogComboBox::showPopup(), QTableView::sizeHintForRow(), QFileSystemModel::sort(), QSortFilterProxyModelPrivate::source_to_proxy(), QSortFilterProxyModelPrivate::update_source_sort_column(), QSortFilterProxyModelPrivate::updateChildrenMapping(), QAbstractItemViewPrivate::updateEditorData(), QTableView::visualRect(), QTreeView::visualRect(), QTreeView::visualRegionForSelection(), and QCalendarView::wheelEvent().

{ return c; }

data()

QVariant QModelIndex::data ( int  role = Qt::DisplayRole ) const

inline

Returns the data for the given role for the item referred to by the index.

Definition at line 401 of file qabstractitemmodel.h.

Referenced by QFileDialogPrivate::_q_currentChanged(), QFileDialogPrivate::_q_deleteCurrent(), QFileDialogPrivate::_q_enterDirectory(), QFileDialogPrivate::_q_goToDirectory(), QFileDialogPrivate::_q_selectionChanged(), QUrlModel::addUrls(), QUrlModel::changed(), QStyledItemDelegate::createEditor(), QItemDelegate::createEditor(), QPersistentModelIndex::data(), QItemDelegate::drawBackground(), QStyledItemDelegate::editorEvent(), QItemDelegate::editorEvent(), QFileSystemModel::fileIcon(), QCompletionEngine::filterHistory(), QUrlModel::flags(), QComboMenuDelegate::getStyleOption(), QAbstractItemDelegate::helpEvent(), QSideBarDelegate::initStyleOption(), QStyledItemDelegate::initStyleOption(), QComboBoxDelegate::isSeparator(), QUrlModel::mimeData(), QItemDelegate::paint(), QFontFamilyDelegate::paint(), QScriptDebuggerLocalsItemDelegate::paint(), QFSCompleter::pathFromIndex(), QFileDialogPrivate::qt_mac_filedialog_event_proc(), QItemDelegate::rect(), QFileDialog::selectedFiles(), QFileDialog::selectFile(), QSidebar::selectUrl(), QFileSystemModel::setData(), QStyledItemDelegate::setEditorData(), QItemDelegate::setEditorData(), QFileDialogComboBox::setHistory(), QItemDelegate::setOptions(), QUrlModel::setUrl(), QFileDialogComboBox::showPopup(), QStyledItemDelegate::sizeHint(), QItemDelegate::sizeHint(), QFontFamilyDelegate::sizeHint(), and QItemDelegate::updateEditorGeometry().

{ return m ? m->data(*this, arole) : QVariant(); }

flags()

Qt::ItemFlags QModelIndex::flags ( ) const

inline

Returns the flags for the item referred to by the index.

Since

4.2

Definition at line 404 of file qabstractitemmodel.h.

Referenced by QCompleterPrivate::_q_complete(), QAbstractItemView::closeEditor(), QItemSelection::contains(), QComboBoxPrivateContainer::eventFilter(), QIconModeViewBase::filterDropEvent(), QPersistentModelIndex::flags(), QAccessibleTable2Cell::setText(), QAccessibleItemRow::state(), and QAccessibleTable2Cell::state().

{ return m ? m->flags(*this) : Qt::ItemFlags(0); }

internalId()

void * QModelIndex::internalId ( ) const

inline

Returns a qint64 used by the model to associate the index with the internal data structure.

See also

QAbstractItemModel::createIndex()

Definition at line 70 of file qabstractitemmodel.h.

Referenced by QScriptDebuggerScriptsModel::data(), QScriptDebuggerScriptsModel::index(), QPersistentModelIndex::internalId(), QScriptDebuggerScriptsModel::parent(), qHash(), QScriptDebuggerScriptsModel::rowCount(), QScriptDebuggerScriptsModel::scriptFunctionInfoFromIndex(), QScriptDebuggerScriptsModel::scriptIdFromIndex(), and QTreeViewPrivate::viewIndex().

{ return reinterpret_cast<qint64>(p); }

internalPointer()

void * QModelIndex::internalPointer ( ) const

inline

Returns a void * pointer used by the model to associate the index with the internal data structure.

See also

QAbstractItemModel::createIndex()

Definition at line 69 of file qabstractitemmodel.h.

Referenced by QPPDOptionsEditor::createEditor(), QPPDOptionsModel::data(), QAbstractItemModel::endMoveColumns(), QAbstractItemModel::endMoveRows(), QListModel::ensureSorted(), QTreeModel::ensureSorted(), QSqlTableModel::flags(), QPPDOptionsModel::flags(), QPPDOptionsModel::index(), QSortFilterProxyModelPrivate::index_to_iterator(), QSqlQueryModel::indexInQuery(), QSqlTableModel::indexInQuery(), QPersistentModelIndex::internalPointer(), QTreeModel::item(), QStandardItemModelPrivate::itemFromIndex(), QStandardItemModel::itemFromIndex(), QIdentityProxyModel::mapFromSource(), QIdentityProxyModel::mapToSource(), QDirModelPrivate::node(), QFileSystemModelPrivate::node(), QScriptDebuggerLocalsModelPrivate::nodeFromIndex(), operator<<(), QTreeModel::parent(), QPPDOptionsModel::parent(), QStandardItemModel::parent(), QPPDOptionsModel::rowCount(), QPPDOptionsEditor::setEditorData(), and QPPDOptionsEditor::setModelData().

{ return p; }

isValid()

bool QModelIndex::isValid ( ) const

inline

Returns true if this model index is valid; otherwise returns false.

A valid index belongs to a model, and has non-negative row and column numbers.

See also

model(), row(), column()

Definition at line 77 of file qabstractitemmodel.h.

Referenced by QColumnViewPrivate::_q_changeCurrentColumn(), QAbstractItemViewPrivate::_q_columnsAboutToBeRemoved(), QCompleterPrivate::_q_complete(), QFileDialogPrivate::_q_createDirectory(), QListWidgetPrivate::_q_dataChanged(), QTableWidgetPrivate::_q_dataChanged(), QTreeWidgetPrivate::_q_dataChanged(), QScriptBreakpointsWidgetPrivate::_q_deleteBreakpoint(), QFileDialogPrivate::_q_deleteCurrent(), QComboBoxPrivate::_q_emitHighlighted(), QFileDialogPrivate::_q_goToDirectory(), QHeaderViewPrivate::_q_layoutChanged(), QScriptDebuggerScriptsWidgetPrivate::_q_onCurrentChanged(), QScriptBreakpointsWidgetPrivate::_q_onCurrentChanged(), QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(), QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeInserted(), QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeMoved(), QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeRemoved(), QIdentityProxyModelPrivate::_q_sourceColumnsInserted(), QSortFilterProxyModelPrivate::_q_sourceColumnsInserted(), QIdentityProxyModelPrivate::_q_sourceColumnsMoved(), QIdentityProxyModelPrivate::_q_sourceColumnsRemoved(), QSortFilterProxyModelPrivate::_q_sourceColumnsRemoved(), QIdentityProxyModelPrivate::_q_sourceDataChanged(), QSortFilterProxyModelPrivate::_q_sourceDataChanged(), QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeInserted(), QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeMoved(), QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeRemoved(), QIdentityProxyModelPrivate::_q_sourceRowsInserted(), QIdentityProxyModelPrivate::_q_sourceRowsMoved(), QIdentityProxyModelPrivate::_q_sourceRowsRemoved(), QFileDialogPrivate::_q_updateOkButton(), QIconModeViewBase::addLeaf(), QAbstractItemModelPrivate::allowMove(), QAbstractItemModel::beginMoveColumns(), QAbstractItemModel::beginMoveRows(), QSortFilterProxyModelPrivate::can_create_mapping(), QScriptDebuggerLocalsModel::canFetchMore(), QSqlQueryModel::canFetchMore(), QAccessibleTable2::cell(), QAccessibleTable2::cellAt(), QAccessibleTree::cellAt(), QAbstractItemModel::changePersistentIndex(), QAbstractItemModel::changePersistentIndexList(), QAccessibleTable2::childAt(), QAccessibleTree::childAt(), QAccessibleItemView::childCount(), QAccessibleTable2::childFromLogical(), QItemSelectionModel::clear(), QColumnViewPrivate::closeColumns(), QAbstractItemView::closeEditor(), QIdentityProxyModel::columnCount(), QSqlQueryModel::columnCount(), QScriptDebuggerStackModel::columnCount(), QScriptBreakpointsModel::columnCount(), QTableModel::columnCount(), QSortFilterProxyModel::columnCount(), QAbstractListModel::columnCount(), QItemSelectionModel::columnIntersectsSelection(), QAbstractItemModelPrivate::columnsAboutToBeInserted(), QAbstractItemModelPrivate::columnsAboutToBeRemoved(), QAbstractItemModelPrivate::columnsInserted(), QAbstractItemModelPrivate::columnsRemoved(), QAbstractItemView::commitData(), QCompleter::complete(), QDeclarativeFolderListModel::componentComplete(), QPersistentModelIndexData::create(), QSortFilterProxyModelPrivate::create_mapping(), QStyledItemDelegate::createEditor(), QItemDelegate::createEditor(), QFontListView::currentChanged(), QColumnView::currentChanged(), QTableView::currentChanged(), QListView::currentChanged(), QHeaderView::currentChanged(), QTreeView::currentChanged(), QAbstractItemView::currentChanged(), QSqlQueryModel::data(), QScriptDebuggerStackModel::data(), QSqlTableModel::data(), QScriptDebuggerLocalsModel::data(), QDeclarativeFolderListModel::data(), QScriptDebuggerScriptsModel::data(), QScriptBreakpointsModel::data(), QFileSystemModel::data(), QListModel::data(), QTreeModel::data(), ControlList::data(), QSortFilterProxyModel::data(), QPPDOptionsModel::data(), QAbstractItemView::dataChanged(), QAccessibleItemRow::doAction(), QListModeViewBase::dragMoveEvent(), QAbstractItemView::dragMoveEvent(), QTableViewPrivate::drawAndClipSpans(), QTreeView::drawRow(), QTreeWidget::dropEvent(), QIdentityProxyModel::dropMimeData(), QDirModel::dropMimeData(), QFileSystemModel::dropMimeData(), QListModel::dropMimeData(), QTableModel::dropMimeData(), QAbstractTableModel::dropMimeData(), QAbstractListModel::dropMimeData(), QAbstractItemViewPrivate::dropOn(), QListModeViewBase::dropOn(), QAbstractItemViewPrivate::droppingOnItself(), QComboBoxPrivate::emitActivated(), QAbstractItemView::event(), QCompleter::eventFilter(), QComboBoxPrivateContainer::eventFilter(), QAbstractItemViewPrivate::extendedSelectionCommand(), QSqlQueryModel::fetchMore(), QFileSystemModelPrivate::filePath(), QSortFilterProxyModel::filterAcceptsRow(), QIconModeViewBase::filterDragMoveEvent(), QStringListModel::flags(), QScriptDebuggerLocalsModel::flags(), QUrlModel::flags(), QScriptBreakpointsModel::flags(), QFileSystemModel::flags(), QListModel::flags(), QTreeModel::flags(), QTableModel::flags(), QPPDOptionsModel::flags(), QAbstractItemView::focusInEvent(), QFileSystemModel::hasChildren(), QDirModel::hasChildren(), QTreeModel::hasChildren(), QSortFilterProxyModel::hasChildren(), QCompletionModel::hasChildren(), QAbstractTableModel::hasChildren(), QAbstractListModel::hasChildren(), QFileSystemModelPrivate::icon(), QUndoModel::index(), QIdentityProxyModel::index(), QScriptDebuggerScriptsModel::index(), QScriptBreakpointsModel::index(), QTreeModel::index(), QDirModel::index(), QPPDOptionsModel::index(), QCompletionModel::index(), QSortFilterProxyModelPrivate::index_to_iterator(), QListView::indexAt(), QTreeView::indexAt(), QAccessibleTree::indexFromLogical(), QAccessibleItemRow::indexOfChild(), QAccessibleItemView::indexOfChild(), QTreeView::indexRowSizeHint(), QIconModeViewBase::indexToListViewItem(), QListViewPrivate::indexToListViewItem(), QAbstractItemView::inputMethodQuery(), QSortFilterProxyModelPrivate::insert_source_items(), QIdentityProxyModel::insertColumns(), QSqlQueryModel::insertColumns(), QSortFilterProxyModel::insertColumns(), QStandardItemModel::insertColumns(), QIdentityProxyModel::insertRows(), QSqlTableModel::insertRows(), QListModel::insertRows(), QSortFilterProxyModel::insertRows(), QStandardItemModel::insertRows(), QListModeViewBase::intersectingSet(), QItemSelectionModel::isColumnSelected(), QFileSystemModel::isDir(), QSqlTableModel::isDirty(), QDeclarativeFolderListModel::isFolder(), QFileSystemModelPrivate::isHiddenByFilter(), QItemSelectionModel::isRowSelected(), QItemSelectionModel::isSelected(), QPersistentModelIndex::isValid(), QTableModel::isValid(), QAccessibleTable2Cell::isValid(), QTreeModel::item(), QTableModel::itemChanged(), QListModel::itemData(), QStandardItemModelPrivate::itemFromIndex(), QTreeViewPrivate::itemHeight(), QAbstractItemModelPrivate::itemsAboutToBeMoved(), QComboBoxPrivate::itemText(), QTreeView::keyboardSearch(), QAbstractItemView::keyboardSearch(), QScriptBreakpointsWidget::keyPressEvent(), QAbstractItemView::keyPressEvent(), QFileSystemModel::lastModified(), QTreeViewPrivate::layout(), QUrlModel::layoutChanged(), QAccessibleTable2::logicalIndex(), QIdentityProxyModel::mapFromSource(), QCompletionModel::mapFromSource(), QAbstractProxyModel::mapSelectionFromSource(), QAbstractProxyModel::mapSelectionToSource(), QIdentityProxyModel::mapToSource(), QCompletionModel::mapToSource(), QIdentityProxyModel::match(), QAbstractItemModel::match(), QFileSystemModel::mkdir(), ModelIndexIterator::ModelIndexIterator(), QAbstractItemView::mouseDoubleClickEvent(), QAbstractItemView::mousePressEvent(), QColumnView::moveCursor(), QTableView::moveCursor(), QListView::moveCursor(), QTreeView::moveCursor(), QAbstractItemModelPrivate::movePersistentIndexes(), QFileSystemModelPrivate::name(), QAccessibleItemRow::navigate(), QAccessibleTree::navigate(), QAccessibleItemView::navigate(), QFileSystemModelPrivate::node(), QScriptDebuggerLocalsModelPrivate::nodeFromIndex(), QPersistentModelIndex::operator!=(), QPersistentModelIndex::operator=(), QPersistentModelIndex::operator==(), QStyledItemDelegate::paint(), QItemDelegate::paint(), QScriptDebuggerLocalsItemDelegate::paint(), QTableView::paintEvent(), QListView::paintEvent(), QIdentityProxyModel::parent(), QScriptDebuggerLocalsModel::parent(), QScriptDebuggerScriptsModel::parent(), QTreeModel::parent(), QPPDOptionsModel::parent(), QCompleter::pathFromIndex(), QScriptDebuggerLocalsModelPrivate::populateIndex(), QSortFilterProxyModelPrivate::proxy_to_source(), QAccessibleTable2Cell::QAccessibleTable2Cell(), QPersistentModelIndex::QPersistentModelIndex(), QScriptDebuggerLocalsModelPrivate::reallyPopulateIndex(), QScriptDebuggerLocalsModelPrivate::reallySyncIndex(), QSortFilterProxyModelPrivate::remove_source_items(), QSqlQueryModel::removeColumns(), QIdentityProxyModel::removeColumns(), QSqlRelationalTableModel::removeColumns(), QSqlTableModel::removeColumns(), QSortFilterProxyModel::removeColumns(), QAbstractItemModelPrivate::removePersistentIndexData(), QIdentityProxyModel::removeRows(), QSqlTableModel::removeRows(), QListModel::removeRows(), QSortFilterProxyModel::removeRows(), QTreeViewPrivate::removeViewItems(), QDirModelPrivate::restorePersistentIndexes(), QStringListModel::rowCount(), QUndoModel::rowCount(), QSqlQueryModel::rowCount(), QIdentityProxyModel::rowCount(), QScriptDebuggerStackModel::rowCount(), QDirModel::rowCount(), QScriptDebuggerScriptsModel::rowCount(), QFileSystemModel::rowCount(), QScriptBreakpointsModel::rowCount(), QListModel::rowCount(), QTreeModel::rowCount(), QSqlTableModel::rowCount(), QTableModel::rowCount(), QSortFilterProxyModel::rowCount(), QPPDOptionsModel::rowCount(), QCompletionModel::rowCount(), QItemSelectionModel::rowIntersectsSelection(), QAbstractItemModelPrivate::rowsAboutToBeInserted(), QAbstractItemModelPrivate::rowsAboutToBeRemoved(), QAbstractItemView::rowsAboutToBeRemoved(), QAbstractItemModelPrivate::rowsInserted(), QTreeView::rowsInserted(), QAbstractItemModelPrivate::rowsRemoved(), QScriptDebuggerScriptsModel::scriptFunctionInfoFromIndex(), QScriptDebuggerScriptsModel::scriptIdFromIndex(), QColumnView::scrollTo(), QTreeView::scrollTo(), QTableWidget::scrollToItem(), QFileDialogPrivate::select(), QTreeViewPrivate::select(), QItemSelection::select(), QListViewPrivate::selectAll(), QAccessibleTable2::selectColumn(), QTreeView::selectedIndexes(), QFileDialog::selectFile(), QListViewPrivate::selection(), QListViewPrivate::selectionAllowed(), QTableView::selectionChanged(), QListView::selectionChanged(), QTreeView::selectionChanged(), QAccessibleTable2::selectRow(), QAccessibleTree::selectRow(), QCompleterPrivate::setCurrentIndex(), QAbstractItemView::setCurrentIndex(), QComboBoxPrivate::setCurrentIndex(), QDataWidgetMapper::setCurrentModelIndex(), QSqlTableModel::setData(), QScriptDebuggerLocalsModel::setData(), QScriptBreakpointsModel::setData(), QFileSystemModel::setData(), QListModel::setData(), QTreeModel::setData(), QTableModel::setData(), QSortFilterProxyModel::setData(), QStandardItemModel::setData(), QTreeView::setFirstColumnSpanned(), QDeclarativeFolderListModel::setFolder(), QTableModel::setItemData(), QComboBox::setItemData(), QComboBox::setItemIcon(), QComboBox::setItemText(), QProxyModel::setProxyModel(), QFileDialogPrivate::setRootIndex(), QAbstractItemView::setRootIndex(), QTreeView::setRowHidden(), QTableView::setSelection(), QListView::setSelection(), QTreeView::setSelection(), QAccessibleItemRow::setText(), QUrlModel::setUrl(), QAbstractItemViewPrivate::shouldEdit(), QComboBox::showPopup(), QFileDialogComboBox::showPopup(), QFileSystemModel::size(), QFileSystemModelPrivate::size(), QSortFilterProxyModelPrivate::source_to_proxy(), QSortFilterProxyModel::span(), QAccessibleItemRow::state(), QScriptDebuggerLocalsModelPrivate::syncIndex(), QAccessibleItemRow::text_helper(), QFileSystemModelPrivate::time(), QAbstractItemView::timerEvent(), QAccessibleItemRow::treeLevel(), QFileSystemModel::type(), QFileSystemModelPrivate::type(), QAccessibleTable2::unselectColumn(), QAccessibleTable2::unselectRow(), QAbstractItemView::update(), QCalendarWidget::updateCell(), QAbstractItemViewPrivate::updateEditorData(), QAbstractItemView::updateEditorGeometries(), QStyledItemDelegate::updateEditorGeometry(), QItemDelegate::updateEditorGeometry(), QTreeViewPrivate::viewIndex(), QTableWidget::visualItemRect(), QColumnView::visualRect(), QTreeView::visualRegionForSelection(), and QHeaderView::visualRegionForSelection().

{ return (r >= 0) && (c >= 0) && (m != 0); }

model()

const QAbstractItemModel * QModelIndex::model ( ) const

inline

Returns a pointer to the model containing the item that this index refers to.

A const pointer to the model is returned because calls to non-const functions of the model might invalidate the model index and possibly crash your application.

Definition at line 76 of file qabstractitemmodel.h.

Referenced by QFileDialogPrivate::_q_enterDirectory(), QScriptDebuggerLocalsWidgetPrivate::_q_expandIndex(), QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeInserted(), QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeMoved(), QIdentityProxyModelPrivate::_q_sourceColumnsAboutToBeRemoved(), QIdentityProxyModelPrivate::_q_sourceColumnsInserted(), QIdentityProxyModelPrivate::_q_sourceColumnsMoved(), QIdentityProxyModelPrivate::_q_sourceColumnsRemoved(), QIdentityProxyModelPrivate::_q_sourceDataChanged(), QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeInserted(), QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeMoved(), QIdentityProxyModelPrivate::_q_sourceRowsAboutToBeRemoved(), QIdentityProxyModelPrivate::_q_sourceRowsInserted(), QIdentityProxyModelPrivate::_q_sourceRowsMoved(), QIdentityProxyModelPrivate::_q_sourceRowsRemoved(), QTableViewPrivate::accessibleTable2Index(), QIdentityProxyModel::columnCount(), QItemSelectionModel::columnIntersectsSelection(), QPersistentModelIndexData::create(), QTreeView::currentChanged(), QFileSystemModel::data(), QUrlModel::dataChanged(), QIdentityProxyModel::dropMimeData(), QFileSystemModelPrivate::filePath(), QListModel::flags(), QComboMenuDelegate::getStyleOption(), QAbstractTableModel::hasChildren(), QIdentityProxyModel::index(), QSortFilterProxyModelPrivate::index_to_iterator(), QAbstractItemModelPrivate::indexValid(), QIdentityProxyModel::insertColumns(), QIdentityProxyModel::insertRows(), QItemSelectionModel::isColumnSelected(), QAbstractItemViewPrivate::isIndexValid(), QItemSelectionModel::isRowSelected(), QItemSelectionModel::isSelected(), QStandardItemModelPrivate::itemFromIndex(), QStandardItemModel::itemFromIndex(), QSortFilterProxyModel::lessThan(), QAccessibleTable2::logicalIndex(), QIdentityProxyModel::mapFromSource(), QIdentityProxyModel::mapToSource(), QIdentityProxyModel::match(), QPersistentModelIndex::model(), QCommonListViewBase::modelIndex(), QItemSelectionRange::operator<(), operator<<(), QColumnViewDelegate::paint(), QIdentityProxyModel::parent(), QSortFilterProxyModelPrivate::proxy_to_source(), QIdentityProxyModel::removeColumns(), QIdentityProxyModel::removeRows(), rowAt(), QIdentityProxyModel::rowCount(), QDirModel::rowCount(), QItemSelectionModel::rowIntersectsSelection(), QFileDialogPrivate::select(), QItemSelection::select(), QTreeView::selectionChanged(), QDataWidgetMapper::setCurrentModelIndex(), QFileDialogComboBox::setHistory(), QFileDialogPrivate::setRootIndex(), QAbstractItemView::setRootIndex(), QAccessibleItemRow::setText(), QFileDialogComboBox::showPopup(), QSortFilterProxyModelPrivate::source_to_proxy(), QAccessibleItemRow::state(), QAccessibleTable2Cell::state(), QAccessibleItemRow::text(), and QAccessibleItemRow::text_helper().

{ return m; }

operator!=()

bool QModelIndex::operator!= ( const QModelIndex &  other ) const

inline

Returns true if this model index does not refer to the same location as the other model index; otherwise returns false.

Definition at line 80 of file qabstractitemmodel.h.

        { return !(*this == other); }

operator<()

bool QModelIndex::operator< ( const QModelIndex &  other ) const

inline

Returns true if this model index is smaller than the other model index; otherwise returns false.

Since

4.1

Definition at line 82 of file qabstractitemmodel.h.

        {
          if (r < other.r) return true;
          if (r == other.r) {
              if (c < other.c) return true;
              if (c == other.c) {
                  if (p < other.p) return true;
                  if (p == other.p) return m < other.m;
              }
          }
          return false; }

operator==()

bool QModelIndex::operator== ( const QModelIndex &  other ) const

inline

Returns true if this model index refers to the same location as the other model index; otherwise returns false.

All values in the model index are used when comparing with another model index.

Definition at line 78 of file qabstractitemmodel.h.

        { return (other.r == r) && (other.p == p) && (other.c == c) && (other.m == m); }

parent()

QModelIndex QModelIndex::parent ( ) const

inline

Returns the parent of the model index, or QModelIndex() if it has no parent.

See also

child(), sibling(), model()

Definition at line 392 of file qabstractitemmodel.h.

Referenced by QColumnViewPrivate::_q_changeCurrentColumn(), QColumnViewPrivate::_q_clicked(), QItemSelectionModelPrivate::_q_columnsAboutToBeRemoved(), QAbstractItemViewPrivate::_q_columnsAboutToBeRemoved(), QDataWidgetMapperPrivate::_q_dataChanged(), QDeclarativeVisualDataModel::_q_dataChanged(), QTreeWidgetPrivate::_q_dataChanged(), QComboBoxPrivate::_q_dataChanged(), QFileDialogPrivate::_q_deleteCurrent(), QStandardItemModelPrivate::_q_emitItemChanged(), QScriptDebuggerScriptsWidgetPrivate::_q_onCurrentChanged(), QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(), QSortFilterProxyModelPrivate::_q_sourceDataChanged(), QAbstractItemModelPrivate::allowMove(), QAbstractItemModel::beginMoveColumns(), QAbstractItemModel::beginMoveRows(), QSortFilterProxyModelPrivate::can_create_mapping(), QColumnViewPrivate::closeColumns(), QAbstractItemModelPrivate::columnsAboutToBeInserted(), QAbstractItemModelPrivate::columnsAboutToBeRemoved(), QItemSelectionRange::contains(), QRowsRemoval::contains(), QSortFilterProxyModelPrivate::create_mapping(), QColumnView::currentChanged(), QHeaderView::currentChanged(), QUrlModel::dataChanged(), QTreeViewPrivate::draggablePaintPairs(), QListModeViewBase::dragMoveEvent(), QAbstractItemView::dragMoveEvent(), QTreeView::drawBranches(), QTreeView::drawRow(), QSortFilterProxyModel::dropMimeData(), QAbstractItemViewPrivate::dropOn(), QListModeViewBase::dropOn(), QAbstractItemViewPrivate::droppingOnItself(), QTreeModel::ensureSorted(), QFileSystemModelPrivate::filePath(), QScriptDebuggerLocalsModel::flags(), QDeclarativeFolderListModel::handleDataChanged(), QAccessibleTree::indexFromLogical(), QTreeView::indexRowSizeHint(), QTreeWidget::isFirstItemColumnSpanned(), QListView::isIndexHidden(), QTreeView::isIndexHidden(), QAccessibleTree::isRowSelected(), QTreeViewPrivate::itemDecorationRect(), QAbstractItemModelPrivate::itemsAboutToBeMoved(), QTreeView::keyboardSearch(), QAbstractItemView::keyboardSearch(), QCompletionModel::mapFromSource(), mergeIndexes(), QColumnView::moveCursor(), QTreeView::moveCursor(), QAccessibleItemRow::navigate(), ModelIndexIterator::next(), QItemSelectionRange::operator<(), QScriptDebuggerLocalsItemDelegate::paint(), QIdentityProxyModel::parent(), QItemSelectionRange::parent(), QPersistentModelIndex::parent(), QCompleter::pathFromIndex(), QListViewPrivate::rectForIndex(), QAccessibleTable2Cell::relationTo(), QTreeViewPrivate::removeViewItems(), rowAt(), QAbstractItemModelPrivate::rowsAboutToBeInserted(), QAbstractItemModelPrivate::rowsAboutToBeRemoved(), QAbstractItemView::rowsAboutToBeRemoved(), QColumnView::scrollTo(), QListView::scrollTo(), QTreeView::scrollTo(), QTreeViewPrivate::select(), QItemSelection::select(), QColumnView::selectAll(), QTreeView::selectAll(), QTableView::selectedIndexes(), QListView::selectedIndexes(), QTreeView::selectedIndexes(), QComboBoxPrivate::setCurrentIndex(), QDataWidgetMapper::setCurrentModelIndex(), QDirModel::setData(), QFileSystemModel::setData(), QTreeWidget::setFirstItemColumnSpanned(), QTreeWidget::setItemHidden(), QListView::setPositionForIndex(), QFileDialogComboBox::showPopup(), QSortFilterProxyModelPrivate::source_to_proxy(), QAccessibleItemRow::treeLevel(), QSortFilterProxyModelPrivate::update_persistent_indexes(), QAbstractItemViewPrivate::updateEditorData(), QTableView::visualRect(), and QListView::visualRegionForSelection().

{ return m ? m->parent(*this) : QModelIndex(); }

row()

int QModelIndex::row ( ) const

inline

Returns the row this model index refers to.

Definition at line 67 of file qabstractitemmodel.h.

Referenced by QItemSelectionModelPrivate::_q_columnsAboutToBeRemoved(), QAbstractItemViewPrivate::_q_columnsAboutToBeRemoved(), QCompleterPrivate::_q_complete(), QListWidgetPrivate::_q_dataChanged(), QDeclarativeVisualDataModel::_q_dataChanged(), QTableWidgetPrivate::_q_dataChanged(), QTreeWidgetPrivate::_q_dataChanged(), QComboBoxPrivate::_q_dataChanged(), QScriptBreakpointsWidgetPrivate::_q_deleteBreakpoint(), QFileDialogPrivate::_q_deleteCurrent(), QComboBoxPrivate::_q_emitCurrentIndexChanged(), QListWidgetPrivate::_q_emitCurrentItemChanged(), QTableWidgetPrivate::_q_emitCurrentItemChanged(), QComboBoxPrivate::_q_emitHighlighted(), QListWidgetPrivate::_q_emitItemActivated(), QTableWidgetPrivate::_q_emitItemActivated(), QListWidgetPrivate::_q_emitItemChanged(), QStandardItemModelPrivate::_q_emitItemChanged(), QTableWidgetPrivate::_q_emitItemChanged(), QListWidgetPrivate::_q_emitItemClicked(), QTableWidgetPrivate::_q_emitItemClicked(), QListWidgetPrivate::_q_emitItemDoubleClicked(), QTableWidgetPrivate::_q_emitItemDoubleClicked(), QListWidgetPrivate::_q_emitItemEntered(), QTableWidgetPrivate::_q_emitItemEntered(), QListWidgetPrivate::_q_emitItemPressed(), QTableWidgetPrivate::_q_emitItemPressed(), QHeaderViewPrivate::_q_layoutChanged(), QScriptDebuggerCodeWidgetPrivate::_q_onBreakpointsDataChanged(), QScriptDebuggerStackWidgetPrivate::_q_onCurrentChanged(), QFileDialogPrivate::_q_renameCurrent(), QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(), QSortFilterProxyModelPrivate::_q_sourceDataChanged(), QTableViewPrivate::accessibleTable2Index(), QAbstractItemModelPrivate::allowMove(), QAbstractItemModel::beginMoveColumns(), QAbstractItemModel::beginMoveRows(), QSortFilterProxyModelPrivate::can_create_mapping(), QSidebar::clicked(), QAbstractItemModelPrivate::columnsInserted(), QAbstractItemModelPrivate::columnsRemoved(), QItemSelectionRange::contains(), QRowsRemoval::contains(), QFontListView::currentChanged(), QHeaderView::currentChanged(), QAbstractItemView::currentChanged(), QFontListView::currentItem(), QTableWidget::currentRow(), QFontListView::currentText(), QStringListModel::data(), QUndoModel::data(), QSqlQueryModel::data(), QScriptDebuggerStackModel::data(), QSqlTableModel::data(), QSqlRelationalTableModel::data(), QDeclarativeFolderListModel::data(), QScriptBreakpointsModel::data(), QListModel::data(), ControlList::data(), QCalendarModel::data(), QUrlModel::dataChanged(), QTreeView::dataChanged(), QHeaderView::dataChanged(), QIconModeViewBase::dataChanged(), QAbstractItemViewPrivate::delegateForIndex(), QTreeViewPrivate::draggablePaintPairs(), QTreeView::drawBranches(), QTreeView::drawRow(), QTableWidget::dropEvent(), QListModel::dropMimeData(), QSortFilterProxyModel::dropMimeData(), QTableModel::dropMimeData(), QAbstractTableModel::dropMimeData(), QAbstractListModel::dropMimeData(), QAbstractItemViewPrivate::dropOn(), QListModeViewBase::dropOn(), QComboBoxPrivate::emitActivated(), QTreeModel::emitDataChanged(), QAbstractItemModel::endMoveColumns(), QAbstractItemModel::endMoveRows(), QListModel::ensureSorted(), QTreeModel::ensureSorted(), QCompleter::eventFilter(), QScriptDebuggerLocalsWidget::expand(), QSortFilterProxyModelPrivate::filter_changed(), QIconModeViewBase::filterDropEvent(), QComboBox::findData(), QListWidget::findItems(), QSqlTableModel::flags(), QListModel::flags(), QCalendarModel::flags(), QCalendarWidgetPrivate::getCurrentDate(), QComboMenuDelegate::getStyleOption(), QDeclarativeFolderListModel::handleDataChanged(), QCalendarView::handleMouseEvent(), QAbstractProxyModel::headerData(), QFileSystemModel::index(), QDirModel::index(), QTreeView::indexAt(), QAccessibleTree::indexFromLogical(), QSqlQueryModel::indexInQuery(), QSqlTableModel::indexInQuery(), QTreeView::indexRowSizeHint(), QListModeViewBase::indexToListViewItem(), QIconModeViewBase::indexToListViewItem(), QListViewPrivate::indexToListViewItem(), QAbstractItemModelPrivate::indexValid(), QSqlTableModel::isDirty(), QTreeWidget::isFirstItemColumnSpanned(), QTableView::isIndexHidden(), QListView::isIndexHidden(), QTreeView::isIndexHidden(), QAbstractItemViewPrivate::isIndexValid(), QAccessibleTree::isRowSelected(), QTableModel::isValid(), QTableModel::item(), QListModel::itemData(), QStandardItemModelPrivate::itemFromIndex(), QListWidget::itemFromIndex(), QStandardItemModel::itemFromIndex(), QAbstractItemModelPrivate::itemsAboutToBeMoved(), QAbstractItemView::keyboardSearch(), QComboBoxPrivate::keyboardSearchString(), QScriptBreakpointsWidget::keyPressEvent(), QTreeViewPrivate::layout(), QInputDialogPrivate::listViewText(), QAccessibleTable2::logicalIndex(), QIdentityProxyModel::mapFromSource(), QCompletionModel::mapFromSource(), QIdentityProxyModel::mapToSource(), QCompletionModel::mapToSource(), QAbstractItemModel::match(), mergeIndexes(), QListModel::mimeData(), QTreeViewPrivate::modelIndex(), QColumnView::moveCursor(), QTableView::moveCursor(), QTreeView::moveCursor(), QCalendarView::moveCursor(), QAbstractItemModelPrivate::movePersistentIndexes(), QAccessibleItemRow::navigate(), ModelIndexIterator::next(), operator<<(), QCalendarDelegate::paint(), QCompleter::pathFromIndex(), QSqlQueryModelPrivate::prefetch(), QSortFilterProxyModelPrivate::proxy_to_source(), qContainsIndex(), qHash(), QListViewPrivate::rectForIndex(), QPersistentModelIndex::row(), rowAt(), QAccessibleTable2Cell::rowColumnExtents(), QAccessibleTable2Cell::rowHeaderCells(), QAccessibleTable2Cell::rowIndex(), QAbstractItemModelPrivate::rowsAboutToBeInserted(), QAbstractItemModelPrivate::rowsAboutToBeRemoved(), QAbstractItemView::rowsAboutToBeRemoved(), QAbstractItemModelPrivate::rowsInserted(), QAbstractItemModelPrivate::rowsRemoved(), QTableView::scrollTo(), QTreeViewPrivate::select(), QItemSelection::select(), QTreeView::selectAll(), QAccessibleItemView::selectedColumns(), QListWidget::selectedItems(), QAccessibleTable2::selectedRows(), QAccessibleItemView::selectedRows(), QListViewPrivate::selection(), QTableViewPrivate::selectRow(), QComboBoxPrivate::setCurrentIndex(), QListWidget::setCurrentItem(), QDataWidgetMapper::setCurrentModelIndex(), QStringListModel::setData(), QSqlTableModel::setData(), QDirModel::setData(), QScriptBreakpointsModel::setData(), QListModel::setData(), QTableModel::setData(), QTreeWidget::setFirstItemColumnSpanned(), QAbstractProxyModel::setHeaderData(), QTableModel::setItemData(), QTreeWidget::setItemHidden(), QIconModeViewBase::setPositionForIndex(), QSqlQueryModel::setQuery(), QTableView::setSelection(), QTreeView::setSelection(), QUndoModel::setStackCurrentIndex(), QFileDialogComboBox::showPopup(), QTreeView::sizeHintForColumn(), QTableView::sizeHintForRow(), QStringListModel::sort(), QFileSystemModel::sort(), QSortFilterProxyModelPrivate::source_to_proxy(), QAccessibleItemRow::state(), QSortFilterProxyModelPrivate::updateChildrenMapping(), QAbstractItemViewPrivate::updateEditorData(), QTreeViewPrivate::viewIndex(), QTableView::visualIndex(), QListView::visualIndex(), QTreeWidget::visualItemRect(), QTableView::visualRect(), QListView::visualRegionForSelection(), QTreeView::visualRegionForSelection(), and QCalendarView::wheelEvent().

{ return r; }

sibling()

QModelIndex QModelIndex::sibling ( int  row, int  column  ) const

inline

Returns the sibling at row and column.

If there is no sibling at this position, an invalid QModelIndex is returned.

See also

parent(), child()

Definition at line 395 of file qabstractitemmodel.h.

Referenced by QCompleterPrivate::_q_complete(), QFileDialogPrivate::_q_deleteCurrent(), QFileDialogPrivate::_q_renameCurrent(), QSqlTableModel::data(), QFileSystemModel::index(), QDirModel::index(), QTreeView::indexAt(), QTreeViewPrivate::modelIndex(), QColumnView::moveCursor(), QTreeView::moveCursor(), QCompleter::pathFromIndex(), QScriptDebuggerLocalsModelPrivate::reallySyncIndex(), rowAt(), QTreeViewPrivate::select(), QItemSelection::select(), QTreeView::selectAll(), QDirModel::setData(), QTreeView::setSelection(), QPersistentModelIndex::sibling(), QTreeView::sizeHintForColumn(), QFileSystemModel::sort(), QTreeViewPrivate::viewIndex(), and QTreeWidget::visualItemRect().

{ return m ? (r == arow && c == acolumn) ? *this : m->index(arow, acolumn, m->parent(*this)) : QModelIndex(); }

Friends and Related Functions

QAbstractItemModel

friend class QAbstractItemModel

friend

Definition at line 60 of file qabstractitemmodel.h.

QModelIndexList()

QModelIndexList

related

Synonym for QList<QModelIndex>.

QProxyModel

friend class QProxyModel

friend

Definition at line 61 of file qabstractitemmodel.h.

Properties

c

int QModelIndex::c

private

Definition at line 95 of file qabstractitemmodel.h.

Referenced by operator<(), operator==(), and sibling().

m

const QAbstractItemModel* QModelIndex::m

private

Definition at line 97 of file qabstractitemmodel.h.

Referenced by child(), data(), flags(), operator<(), operator==(), parent(), QProxyModel::setProxyModel(), QProxyModel::setSourceModel(), and sibling().

p

void* QModelIndex::p

private

Definition at line 96 of file qabstractitemmodel.h.

Referenced by operator<(), and operator==().

r

int QModelIndex::r

private

Definition at line 95 of file qabstractitemmodel.h.

Referenced by operator<(), operator==(), and sibling().

---

The documentation for this class was generated from the following files:

• /src/corelib/kernel/qabstractitemmodel.h
• /src/corelib/kernel/qabstractitemmodel.cpp