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Qt
Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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Qt
Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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Inheritance diagram for MyItemModel: Collaboration diagram for MyItemModel:Public Member Functions | |
| MyItemModel (QWidget *parent=nullptr) | |
| Public Member Functions inherited from QStandardItemModel | |
| QStandardItemModel (QObject *parent=nullptr) | |
| Constructs a new item model with the given parent. | |
| QStandardItemModel (int rows, int columns, QObject *parent=nullptr) | |
| Constructs a new item model that initially has rows rows and columns columns, and that has the given parent. | |
| ~QStandardItemModel () | |
| Destructs the model. | |
| void | setItemRoleNames (const QHash< int, QByteArray > &roleNames) |
| Sets the item role names to roleNames. | |
| QHash< int, QByteArray > | roleNames () const override |
| reimp | |
| QModelIndex | index (int row, int column, const QModelIndex &parent=QModelIndex()) const override |
| \reimp | |
| QModelIndex | parent (const QModelIndex &child) const override |
| \reimp | |
| int | rowCount (const QModelIndex &parent=QModelIndex()) const override |
| \reimp | |
| int | columnCount (const QModelIndex &parent=QModelIndex()) const override |
| \reimp | |
| bool | hasChildren (const QModelIndex &parent=QModelIndex()) const override |
| \reimp | |
| QVariant | data (const QModelIndex &index, int role=Qt::DisplayRole) const override |
| \reimp | |
| void | multiData (const QModelIndex &index, QModelRoleDataSpan roleDataSpan) const override |
| \reimp | |
| bool | setData (const QModelIndex &index, const QVariant &value, int role=Qt::EditRole) override |
| \reimp | |
| bool | clearItemData (const QModelIndex &index) override |
| \reimp | |
| QVariant | headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override |
| \reimp | |
| bool | setHeaderData (int section, Qt::Orientation orientation, const QVariant &value, int role=Qt::EditRole) override |
| \reimp | |
| bool | insertRows (int row, int count, const QModelIndex &parent=QModelIndex()) override |
| \reimp | |
| bool | insertColumns (int column, int count, const QModelIndex &parent=QModelIndex()) override |
| \reimp | |
| bool | removeRows (int row, int count, const QModelIndex &parent=QModelIndex()) override |
| \reimp | |
| bool | removeColumns (int column, int count, const QModelIndex &parent=QModelIndex()) override |
| \reimp | |
| Qt::ItemFlags | flags (const QModelIndex &index) const override |
| \reimp | |
| Qt::DropActions | supportedDropActions () const override |
| \reimp | |
| QMap< int, QVariant > | itemData (const QModelIndex &index) const override |
| \reimp | |
| bool | setItemData (const QModelIndex &index, const QMap< int, QVariant > &roles) override |
| \reimp | |
| void | clear () |
| Removes all items (including header items) from the model and sets the number of rows and columns to zero. | |
| void | sort (int column, Qt::SortOrder order=Qt::AscendingOrder) override |
| \reimp | |
| QStandardItem * | itemFromIndex (const QModelIndex &index) const |
| QModelIndex | indexFromItem (const QStandardItem *item) const |
| QStandardItem * | item (int row, int column=0) const |
| void | setItem (int row, int column, QStandardItem *item) |
| void | setItem (int row, QStandardItem *item) |
| This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. | |
| QStandardItem * | invisibleRootItem () const |
| QStandardItem * | horizontalHeaderItem (int column) const |
| void | setHorizontalHeaderItem (int column, QStandardItem *item) |
| QStandardItem * | verticalHeaderItem (int row) const |
| void | setVerticalHeaderItem (int row, QStandardItem *item) |
| void | setHorizontalHeaderLabels (const QStringList &labels) |
| void | setVerticalHeaderLabels (const QStringList &labels) |
| void | setRowCount (int rows) |
| void | setColumnCount (int columns) |
| void | appendRow (const QList< QStandardItem * > &items) |
| void | appendColumn (const QList< QStandardItem * > &items) |
| void | appendRow (QStandardItem *item) |
| void | insertRow (int row, const QList< QStandardItem * > &items) |
| void | insertColumn (int column, const QList< QStandardItem * > &items) |
| void | insertRow (int row, QStandardItem *item) |
| bool | insertRow (int row, const QModelIndex &parent=QModelIndex()) |
| Inserts a single row before the given row in the child items of the parent specified. | |
| bool | insertColumn (int column, const QModelIndex &parent=QModelIndex()) |
| Inserts a single column before the given column in the child items of the parent specified. | |
| QStandardItem * | takeItem (int row, int column=0) |
| QList< QStandardItem * > | takeRow (int row) |
| QList< QStandardItem * > | takeColumn (int column) |
| QStandardItem * | takeHorizontalHeaderItem (int column) |
| QStandardItem * | takeVerticalHeaderItem (int row) |
| const QStandardItem * | itemPrototype () const |
| void | setItemPrototype (const QStandardItem *item) |
| QList< QStandardItem * > | findItems (const QString &text, Qt::MatchFlags flags=Qt::MatchExactly, int column=0) const |
| int | sortRole () const |
| void | setSortRole (int role) |
| QBindable< int > | bindableSortRole () |
| QStringList | mimeTypes () const override |
| \reimp | |
| QMimeData * | mimeData (const QModelIndexList &indexes) const override |
| \reimp | |
| bool | dropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override |
| \reimp | |
| QObject * | parent () const |
| Returns a pointer to the parent object. | |
| Public Member Functions inherited from QAbstractItemModel | |
| QAbstractItemModel (QObject *parent=nullptr) | |
| Constructs an abstract item model with the given parent. | |
| virtual | ~QAbstractItemModel () |
| Destroys the abstract item model. | |
| Q_INVOKABLE bool | hasIndex (int row, int column, const QModelIndex &parent=QModelIndex()) const |
Returns | |
| virtual Q_INVOKABLE QModelIndex | sibling (int row, int column, const QModelIndex &idx) const |
| Returns the sibling at row and column for the item at index, or an invalid QModelIndex if there is no sibling at that location. | |
| virtual bool | canDropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) const |
Returns | |
| virtual Qt::DropActions | supportedDragActions () const |
| Returns the actions supported by the data in this model. | |
| Q_INVOKABLE | Q_REVISION (6, 4) virtual bool insertRows(int row |
| Q_INVOKABLE | Q_REVISION (6, 4) virtual bool insertColumns(int column |
| Q_INVOKABLE | Q_REVISION (6, 4) virtual bool removeRows(int row |
| Q_INVOKABLE | Q_REVISION (6, 4) virtual bool removeColumns(int column |
| Q_INVOKABLE | Q_REVISION (6, 4) virtual bool moveRows(const QModelIndex &sourceParent |
| Q_INVOKABLE | Q_REVISION (6, 4) virtual bool moveColumns(const QModelIndex &sourceParent |
| Q_INVOKABLE | Q_REVISION (6, 4) inline bool insertRow(int row |
| Q_INVOKABLE | Q_REVISION (6, 4) inline bool insertColumn(int column |
| Q_INVOKABLE | Q_REVISION (6, 4) inline bool removeRow(int row |
| Q_INVOKABLE | Q_REVISION (6, 4) inline bool removeColumn(int column |
| Q_INVOKABLE | Q_REVISION (6, 4) inline bool moveRow(const QModelIndex &sourceParent |
| Q_INVOKABLE | Q_REVISION (6, 4) inline bool moveColumn(const QModelIndex &sourceParent |
| virtual Q_INVOKABLE void | fetchMore (const QModelIndex &parent) |
| Fetches any available data for the items with the parent specified by the parent index. | |
| virtual Q_INVOKABLE bool | canFetchMore (const QModelIndex &parent) const |
Returns | |
| Q_INVOKABLE | Q_REVISION (6, 4) virtual void sort(int column |
| virtual QModelIndex | buddy (const QModelIndex &index) const |
| Returns a model index for the buddy of the item represented by index. | |
| virtual Q_INVOKABLE QModelIndexList | match (const QModelIndex &start, int role, const QVariant &value, int hits=1, Qt::MatchFlags flags=Qt::MatchFlags(Qt::MatchStartsWith|Qt::MatchWrap)) const |
| Returns a list of indexes for the items in the column of the start index where data stored under the given role matches the specified value. | |
| virtual QSize | span (const QModelIndex &index) const |
| Returns the row and column span of the item represented by index. | |
| bool | checkIndex (const QModelIndex &index, CheckIndexOptions options=CheckIndexOption::NoOption) const |
| QObject * | parent () const |
| Returns a pointer to the parent object. | |
| Public Member Functions inherited from QObject | |
| Q_INVOKABLE | QObject (QObject *parent=nullptr) |
| Constructs an object with parent object parent. | |
| virtual | ~QObject () |
| Destroys the object, deleting all its child objects. | |
| virtual bool | event (QEvent *event) |
| This virtual function receives events to an object and should return true if the event e was recognized and processed. | |
| virtual bool | eventFilter (QObject *watched, QEvent *event) |
| Filters events if this object has been installed as an event filter for the watched object. | |
| QString | objectName () const |
| Q_WEAK_OVERLOAD void | setObjectName (const QString &name) |
| Sets the object's name to name. | |
| void | setObjectName (QAnyStringView name) |
| This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. | |
| QBindable< QString > | bindableObjectName () |
| bool | isWidgetType () const |
Returns true if the object is a widget; otherwise returns false. | |
| bool | isWindowType () const |
Returns true if the object is a window; otherwise returns false. | |
| bool | isQuickItemType () const |
Returns true if the object is a QQuickItem; otherwise returns false. | |
| bool | signalsBlocked () const noexcept |
Returns true if signals are blocked; otherwise returns false. | |
| bool | blockSignals (bool b) noexcept |
| If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). | |
| QThread * | thread () const |
| Returns the thread in which the object lives. | |
| bool | moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL) |
Changes the thread affinity for this object and its children and returns true on success. | |
| int | startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer) |
| This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds. | |
| int | startTimer (std::chrono::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer) |
| void | killTimer (int id) |
| Kills the timer with timer identifier, id. | |
| void | killTimer (Qt::TimerId id) |
| template<typename T > | |
| T | findChild (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const |
| Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object. | |
| template<typename T > | |
| QList< T > | findChildren (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const |
| Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. | |
| template<typename T > | |
| T | findChild (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const |
| This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. | |
| template<typename T > | |
| QList< T > | findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const |
| This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. | |
| const QObjectList & | children () const |
| Returns a list of child objects. | |
| void | setParent (QObject *parent) |
| Makes the object a child of parent. | |
| void | installEventFilter (QObject *filterObj) |
| Installs an event filter filterObj on this object. | |
| void | removeEventFilter (QObject *obj) |
| Removes an event filter object obj from this object. | |
| QMetaObject::Connection | connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const |
| bool | disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const |
| bool | disconnect (const QObject *receiver, const char *member=nullptr) const |
| void | dumpObjectTree () const |
| Dumps a tree of children to the debug output. | |
| void | dumpObjectInfo () const |
| Dumps information about signal connections, etc. | |
| bool | setProperty (const char *name, const QVariant &value) |
| Sets the value of the object's name property to value. | |
| bool | setProperty (const char *name, QVariant &&value) |
| QVariant | property (const char *name) const |
| Returns the value of the object's name property. | |
| QList< QByteArray > | dynamicPropertyNames () const |
| QBindingStorage * | bindingStorage () |
| const QBindingStorage * | bindingStorage () const |
| QObject * | parent () const |
| Returns a pointer to the parent object. | |
| bool | inherits (const char *classname) const |
Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. | |
Additional Inherited Members | |
| Public Types inherited from QAbstractItemModel | |
| enum | LayoutChangeHint { NoLayoutChangeHint , VerticalSortHint , HorizontalSortHint } |
| This enum describes the way the model changes layout. More... | |
| enum class | CheckIndexOption { NoOption = 0x0000 , IndexIsValid = 0x0001 , DoNotUseParent = 0x0002 , ParentIsInvalid = 0x0004 } |
| Public Slots inherited from QAbstractItemModel | |
| virtual bool | submit () |
| Lets the model know that it should submit cached information to permanent storage. | |
| virtual void | revert () |
| Lets the model know that it should discard cached information. | |
| Public Slots inherited from QObject | |
| void | deleteLater () |
| \threadsafe | |
| Signals inherited from QStandardItemModel | |
| void | itemChanged (QStandardItem *item) |
| Signals inherited from QAbstractItemModel | |
| void | dataChanged (const QModelIndex &topLeft, const QModelIndex &bottomRight, const QList< int > &roles=QList< int >()) |
| This signal is emitted whenever the data in an existing item changes. | |
| void | headerDataChanged (Qt::Orientation orientation, int first, int last) |
| This signal is emitted whenever a header is changed. | |
| void | layoutChanged (const QList< QPersistentModelIndex > &parents=QList< QPersistentModelIndex >(), QAbstractItemModel::LayoutChangeHint hint=QAbstractItemModel::NoLayoutChangeHint) |
| void | layoutAboutToBeChanged (const QList< QPersistentModelIndex > &parents=QList< QPersistentModelIndex >(), QAbstractItemModel::LayoutChangeHint hint=QAbstractItemModel::NoLayoutChangeHint) |
| void | rowsAboutToBeInserted (const QModelIndex &parent, int first, int last, QPrivateSignal) |
| This signal is emitted just before rows are inserted into the model. | |
| void | rowsInserted (const QModelIndex &parent, int first, int last, QPrivateSignal) |
| This signal is emitted after rows have been inserted into the model. | |
| void | rowsAboutToBeRemoved (const QModelIndex &parent, int first, int last, QPrivateSignal) |
| This signal is emitted just before rows are removed from the model. | |
| void | rowsRemoved (const QModelIndex &parent, int first, int last, QPrivateSignal) |
| This signal is emitted after rows have been removed from the model. | |
| void | columnsAboutToBeInserted (const QModelIndex &parent, int first, int last, QPrivateSignal) |
| This signal is emitted just before columns are inserted into the model. | |
| void | columnsInserted (const QModelIndex &parent, int first, int last, QPrivateSignal) |
| This signal is emitted after columns have been inserted into the model. | |
| void | columnsAboutToBeRemoved (const QModelIndex &parent, int first, int last, QPrivateSignal) |
| This signal is emitted just before columns are removed from the model. | |
| void | columnsRemoved (const QModelIndex &parent, int first, int last, QPrivateSignal) |
| This signal is emitted after columns have been removed from the model. | |
| void | modelAboutToBeReset (QPrivateSignal) |
| void | modelReset (QPrivateSignal) |
| void | rowsAboutToBeMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow, QPrivateSignal) |
| void | rowsMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow, QPrivateSignal) |
| void | columnsAboutToBeMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn, QPrivateSignal) |
| void | columnsMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn, QPrivateSignal) |
| Signals inherited from QObject | |
| void | destroyed (QObject *=nullptr) |
| This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked. | |
| void | objectNameChanged (const QString &objectName, QPrivateSignal) |
| This signal is emitted after the object's name has been changed. | |
| Static Public Member Functions inherited from QObject | |
| static QMetaObject::Connection | connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection) |
| \threadsafe | |
| static QMetaObject::Connection | connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection) |
| template<typename Func1 , typename Func2 > | |
| static QMetaObject::Connection | connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection) |
| template<typename Func1 , typename Func2 > | |
| static QMetaObject::Connection | connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot) |
| static bool | disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member) |
| \threadsafe | |
| static bool | disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member) |
| static bool | disconnect (const QMetaObject::Connection &) |
| Disconnect a connection. | |
| template<typename Func1 , typename Func2 > | |
| static bool | disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot) |
| template<typename Func1 > | |
| static bool | disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero) |
| Public Attributes inherited from QAbstractItemModel | |
| Q_INVOKABLE int | count |
| Q_INVOKABLE int const QModelIndex & | parent = QModelIndex()) |
| Returns the parent of the model item with the given index. | |
| Q_INVOKABLE int | sourceRow |
| Q_INVOKABLE int int | count |
| Q_INVOKABLE int int const QModelIndex & | destinationParent |
| Q_INVOKABLE int int const QModelIndex int | destinationChild |
| Q_INVOKABLE int | sourceColumn |
| Q_INVOKABLE const QModelIndex & | parent = QModelIndex()) |
| Q_INVOKABLE int const QModelIndex & | destinationParent |
| Q_INVOKABLE int const QModelIndex int | destinationChild |
| Q_INVOKABLE Qt::SortOrder | order = Qt::AscendingOrder) |
| Protected Slots inherited from QAbstractItemModel | |
| virtual void | resetInternalData () |
| Protected Member Functions inherited from QStandardItemModel | |
| QStandardItemModel (QStandardItemModelPrivate &dd, QObject *parent=nullptr) | |
| Protected Member Functions inherited from QAbstractItemModel | |
| QAbstractItemModel (QAbstractItemModelPrivate &dd, QObject *parent=nullptr) | |
| QModelIndex | createIndex (int row, int column, const void *data=nullptr) const |
| Creates a model index for the given row and column with the internal pointer ptr. | |
| QModelIndex | createIndex (int row, int column, quintptr id) const |
| Creates a model index for the given row and column with the internal identifier, id. | |
| void | encodeData (const QModelIndexList &indexes, QDataStream &stream) const |
| bool | decodeData (int row, int column, const QModelIndex &parent, QDataStream &stream) |
| void | beginInsertRows (const QModelIndex &parent, int first, int last) |
| Begins a row insertion operation. | |
| void | endInsertRows () |
| Ends a row insertion operation. | |
| void | beginRemoveRows (const QModelIndex &parent, int first, int last) |
| Begins a row removal operation. | |
| void | endRemoveRows () |
| Ends a row removal operation. | |
| bool | beginMoveRows (const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationRow) |
| void | endMoveRows () |
| Ends a row move operation. | |
| void | beginInsertColumns (const QModelIndex &parent, int first, int last) |
| Begins a column insertion operation. | |
| void | endInsertColumns () |
| Ends a column insertion operation. | |
| void | beginRemoveColumns (const QModelIndex &parent, int first, int last) |
| Begins a column removal operation. | |
| void | endRemoveColumns () |
| Ends a column removal operation. | |
| bool | beginMoveColumns (const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationColumn) |
| Begins a column move operation. | |
| void | endMoveColumns () |
| Ends a column move operation. | |
| void | beginResetModel () |
| Begins a model reset operation. | |
| void | endResetModel () |
| Completes a model reset operation. | |
| void | changePersistentIndex (const QModelIndex &from, const QModelIndex &to) |
| Changes the QPersistentModelIndex that is equal to the given from model index to the given to model index. | |
| void | changePersistentIndexList (const QModelIndexList &from, const QModelIndexList &to) |
| QModelIndexList | persistentIndexList () const |
| Protected Member Functions inherited from QObject | |
| QObject * | sender () const |
| Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr. | |
| int | senderSignalIndex () const |
| int | receivers (const char *signal) const |
| Returns the number of receivers connected to the signal. | |
| bool | isSignalConnected (const QMetaMethod &signal) const |
| virtual void | timerEvent (QTimerEvent *event) |
| This event handler can be reimplemented in a subclass to receive timer events for the object. | |
| virtual void | childEvent (QChildEvent *event) |
| This event handler can be reimplemented in a subclass to receive child events. | |
| virtual void | customEvent (QEvent *event) |
| This event handler can be reimplemented in a subclass to receive custom events. | |
| virtual void | connectNotify (const QMetaMethod &signal) |
| virtual void | disconnectNotify (const QMetaMethod &signal) |
| QObject (QObjectPrivate &dd, QObject *parent=nullptr) | |
| Protected Attributes inherited from QObject | |
| QScopedPointer< QObjectData > | d_ptr |
| Properties inherited from QStandardItemModel | |
| int | sortRole |
| the item role that is used to query the model's data when sorting items | |
| Properties inherited from QObject | |
| QString | objectName |
| the name of this object | |
| Related Symbols inherited from QObject | |
| template< class T > T | qobject_cast (const QObject *object) |
| Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr. | |
| template< typename T > T | qFindChildqFindChildren (const QObject *obj, const QString &name)() |
| template< typename T > QList< T > | qFindChildrenqFindChildren (const QObject *obj, const QString &name)() |
| QObjectList | |
| \macro Q_CLASSINFO(Name, Value) | |
1.10.0