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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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#include <qcombobox_p.h>
Inheritance diagram for QComboMenuDelegate: Collaboration diagram for QComboMenuDelegate:Public Member Functions | |
| QComboMenuDelegate (QObject *parent, QComboBox *cmb) | |
| Public Member Functions inherited from QAbstractItemDelegate | |
| QAbstractItemDelegate (QObject *parent=nullptr) | |
| Creates a new abstract item delegate with the given parent. | |
| virtual | ~QAbstractItemDelegate () |
| Destroys the abstract item delegate. | |
| virtual QWidget * | createEditor (QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const |
| Returns the editor to be used for editing the data item with the given index. | |
| virtual void | destroyEditor (QWidget *editor, const QModelIndex &index) const |
| Called when the editor is no longer needed for editing the data item with the given index and should be destroyed. | |
| virtual void | setEditorData (QWidget *editor, const QModelIndex &index) const |
| Sets the contents of the given editor to the data for the item at the given index. | |
| virtual void | setModelData (QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const |
| Sets the data for the item at the given index in the model to the contents of the given editor. | |
| virtual void | updateEditorGeometry (QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const |
| Updates the geometry of the editor for the item with the given index, according to the rectangle specified in the option. | |
| virtual bool | helpEvent (QHelpEvent *event, QAbstractItemView *view, const QStyleOptionViewItem &option, const QModelIndex &index) |
| virtual QList< int > | paintingRoles () const |
| 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. | |
Protected Member Functions | |
| void | paint (QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override |
| This pure abstract function must be reimplemented if you want to provide custom rendering. | |
| QSize | sizeHint (const QStyleOptionViewItem &option, const QModelIndex &index) const override |
| This pure abstract function must be reimplemented if you want to provide custom rendering. | |
| bool | editorEvent (QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index) override |
| When editing of an item starts, this function is called with the event that triggered the editing, the model, the index of the item, and the option used for rendering the item. | |
| Protected Member Functions inherited from QAbstractItemDelegate | |
| QAbstractItemDelegate (QObjectPrivate &, QObject *parent=nullptr) | |
| 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) | |
Additional Inherited Members | |
| Public Types inherited from QAbstractItemDelegate | |
| enum | EndEditHint { NoHint , EditNextItem , EditPreviousItem , SubmitModelCache , RevertModelCache } |
| This enum describes the different hints that the delegate can give to the model and view components to make editing data in a model a comfortable experience for the user. More... | |
| Public Slots inherited from QObject | |
| void | deleteLater () |
| \threadsafe | |
| Signals inherited from QAbstractItemDelegate | |
| void | commitData (QWidget *editor) |
| This signal must be emitted when the editor widget has completed editing the data, and wants to write it back into the model. | |
| void | closeEditor (QWidget *editor, QAbstractItemDelegate::EndEditHint hint=NoHint) |
| This signal is emitted when the user has finished editing an item using the specified editor. | |
| void | sizeHintChanged (const QModelIndex &) |
| 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) |
| Protected Attributes inherited from QObject | |
| QScopedPointer< QObjectData > | d_ptr |
| 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) | |
Definition at line 233 of file qcombobox_p.h.
Definition at line 237 of file qcombobox_p.h.
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overrideprotectedvirtual |
When editing of an item starts, this function is called with the event that triggered the editing, the model, the index of the item, and the option used for rendering the item.
Mouse events are sent to editorEvent() even if they don't start editing of the item. This can, for instance, be useful if you wish to open a context menu when the right mouse button is pressed on an item.
The base implementation returns false (indicating that it has not handled the event).
Reimplemented from QAbstractItemDelegate.
Definition at line 157 of file qcombobox.cpp.
References QSinglePointEvent::button(), Qt::Checked, checkState, Qt::CheckStateRole, QVariant::data(), QAbstractTableModel::flags(), QVariant::isValid(), Qt::ItemIsEnabled, Qt::ItemIsUserCheckable, QKeyEvent::key(), Qt::Key_Select, Qt::Key_Space, QEvent::KeyPress, Qt::LeftButton, model, QEvent::MouseButtonDblClick, QEvent::MouseButtonPress, QEvent::MouseButtonRelease, newState(), Q_ASSERT, QAbstractItemModel::setData(), QStyle::State_Enabled, QVariant::toInt(), and Qt::Unchecked.
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inlineoverrideprotectedvirtual |
This pure abstract function must be reimplemented if you want to provide custom rendering.
Use the painter and style option to render the item specified by the item index.
If you reimplement this you must also reimplement sizeHint().
Implements QAbstractItemDelegate.
Definition at line 242 of file qcombobox_p.h.
References QStyle::CE_MenuItem, QPainter::fillRect(), opt, painter, QStyleOption::palette, and QPalette::window().
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inlineoverrideprotectedvirtual |
This pure abstract function must be reimplemented if you want to provide custom rendering.
The options are specified by option and the model item by index.
If you reimplement this you must also reimplement paint().
Implements QAbstractItemDelegate.
Definition at line 249 of file qcombobox_p.h.
References QStyle::CT_MenuItem, opt, QStyleOption::rect, and QRect::size().
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1.10.0