QPointer< T > Class Template Reference

#include <qpointer.h>

Collaboration diagram for QPointer< T >:

Public Member Functions
Q_NODISCARD_CTOR	QPointer () noexcept=default
Q_NODISCARD_CTOR constexpr	QPointer (std::nullptr_t) noexcept
Q_WEAK_OVERLOAD Q_NODISCARD_CTOR	QPointer (T *p)
template<typename X , if_convertible< X > = true>
Q_NODISCARD_CTOR	QPointer (QPointer< X > &&other) noexcept
template<typename X , if_convertible< X > = true>
Q_NODISCARD_CTOR	QPointer (const QPointer< X > &other) noexcept
template<typename X , if_convertible< X > = true>
QPointer &	operator= (const QPointer< X > &other) noexcept
template<typename X , if_convertible< X > = true>
QPointer &	operator= (QPointer< X > &&other) noexcept
void	swap (QPointer &other) noexcept
QPointer< T > &	operator= (T *p)
T *	data () const noexcept
T *	get () const noexcept
T *	operator-> () const noexcept
T &	operator* () const noexcept
	operator T* () const noexcept
bool	isNull () const noexcept
void	clear () noexcept

Friends
template<typename X >
class	QPointer
void	swap (QPointer &lhs, QPointer &rhs) noexcept

Detailed Description

template<class T>
class QPointer< T >

Definition at line 17 of file qpointer.h.

Constructor & Destructor Documentation

QPointer() [1/5]

template<class T >

Q_NODISCARD_CTOR QPointer< T >::QPointer ( )

defaultnoexcept

QPointer() [2/5]

template<class T >

Q_NODISCARD_CTOR constexpr QPointer< T >::QPointer ( std::nullptr_t )

inlineconstexprnoexcept

Definition at line 33 of file qpointer.h.

QPointer() [3/5]

template<class T >

Q_WEAK_OVERLOAD Q_NODISCARD_CTOR QPointer< T >::QPointer ( T * p )

inline

Definition at line 36 of file qpointer.h.

QPointer() [4/5]

template<class T >

template<typename X , if_convertible< X > = true>

Q_NODISCARD_CTOR QPointer< T >::QPointer ( QPointer< X > && other )

inlinenoexcept

Definition at line 42 of file qpointer.h.

QPointer() [5/5]

template<class T >

template<typename X , if_convertible< X > = true>

Q_NODISCARD_CTOR QPointer< T >::QPointer ( const QPointer< X > & other )

inlinenoexcept

Definition at line 46 of file qpointer.h.

Member Function Documentation

clear()

template<class T >

void QPointer< T >::clear ( )

inlinenoexcept

Definition at line 87 of file qpointer.h.

Referenced by QDeclarativeGeoMap::~QDeclarativeGeoMap(), QDragManager::drag(), QXcbDrag::endDrag(), QMenuPrivate::exec(), QQuickColorDialogImplPrivate::eyeDropperLeave(), QCocoaMenuBar::handleReparent(), QMenuPrivate::popup(), QPcscSlot::processStateChange(), QMdiSubWindowPrivate::restoreFocus(), QtWaylandClient::QWaylandInputContext::setFocusObject(), QtWaylandClient::QWaylandInputMethodContext::setFocusObject(), QtWaylandClient::QWaylandInputContext::update(), and QtWaylandClient::QWaylandInputMethodContext::update().

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data()

template<class T >

T * QPointer< T >::data ( ) const

inlinenoexcept

Definition at line 73 of file qpointer.h.

Referenced by QtWayland::WlShellIntegration::WlShellIntegration(), QDeclarativeGeoMap::~QDeclarativeGeoMap(), QMenuPrivate::~QMenuPrivate(), QDeclarativeGeoMapQuickItem::afterChildrenChanged(), QCocoaMenuBar::cocoaWindow(), QQuick3DRepeater::componentComplete(), QWindowsInputContext::composition(), QDeclarativeGeoMapCopyrightNotice::connectMap(), QQuickStyleItem::control(), QGeoTileFetcherNokia::copyrightsFetched(), QQmlPreviewFileEngineHandler::create(), QWindowsSystemTrayIcon::createMenu(), QQuick3DParticleModelParticle::delegate(), QQuick3DObjectPrivate::derefSceneManager(), QDragManager::drag(), QAbstractItemViewPrivate::editor(), QQuickWidgetPrivate::ensureEngine(), QQuickItemGrabResultPrivate::ensureImageInCache(), QXcbDrag::eventFilter(), QQuickViewPrivate::execute(), QQuickWidgetPrivate::execute(), QQuickViewPrivate::execute(), QGraphicsProxyWidgetPrivate::findFocusChild(), QWindowsSystemTrayIcon::formatDebug(), QPointer< T >::get(), QGrabWindowSurfaceCapture::Grabber::grabFrame(), QXcbDrag::handleDrop(), QWidgetWindow::handleEnterLeaveEvent(), QXcbDrag::handleLeave(), QQuickOverlayPrivate::handleMouseEvent(), QTableViewPrivate::heightHintForIndex(), QQuickViewPrivate::init(), QQuickWidgetPrivate::init(), QDeclarativeGeoMap::initialize(), QPlaceManagerEngineNokiaV2::initializeCategories(), QQuickStyleItem::initStyleOptionBase(), QWindowsWindow::menuBar(), QQmlDelegateModelPrivate::object(), QPointer< const QObject >::operator const QObject *(), QPointer< T >::operator*(), QPointer< T >::operator->(), QNetworkRequest::originatingObject(), QLibraryPrivate::pluginInstance(), QGuiApplicationPrivate::processCloseEvent(), QGuiApplicationPrivate::processContextMenuEvent(), QGuiApplicationPrivate::processEnterEvent(), QGuiApplicationPrivate::processExposeEvent(), QGuiApplicationPrivate::processFocusWindowEvent(), QGuiApplicationPrivate::processGeometryChangeEvent(), QGuiApplicationPrivate::processKeyEvent(), QGuiApplicationPrivate::processLeaveEvent(), QGuiApplicationPrivate::processMouseEvent(), QGuiApplicationPrivate::processPlatformPanelEvent(), QGuiApplicationPrivate::processScreenGeometryChange(), QGuiApplicationPrivate::processScreenLogicalDotsPerInchChange(), QGuiApplicationPrivate::processScreenOrientationChange(), QGuiApplicationPrivate::processScreenRefreshRateChange(), QGuiApplicationPrivate::processTabletEvent(), QGuiApplicationPrivate::processWheelEvent(), QWindowsOleDropSource::QueryContinueDrag(), QCalendarPopup::setCalendarWidget(), QQuick3DRepeater::setDelegate(), QtWaylandClient::QWaylandInputContext::setFocusObject(), QtWaylandClient::QWaylandInputMethodContext::setFocusObject(), QQuick3DRepeater::setModel(), QQuickMenuPrivate::setParentMenu(), QDeclarativeGeoMapQuickItem::setSourceItem(), QXcbDrag::startDrag(), QLibraryPrivate::unload(), QQuickTreeViewDelegatePrivate::updateIndicatorPointerHandlers(), QDeclarativeGeoMapQuickItem::updatePolish(), QGeoTileFetcherNokia::versionFetched(), QTableViewPrivate::widthHintForIndex(), QTreeViewPrivate::widthHintForIndex(), QWindowsMouseHandler::windowUnderMouse(), and QWindowsPointerHandler::windowUnderMouse().

get()

template<class T >

T * QPointer< T >::get ( ) const

inlinenoexcept

Definition at line 75 of file qpointer.h.

References QPointer< T >::data().

Referenced by QPdfPageSelectorSpinBox::document(), QQnxMediaPlayer::setAudioOutput(), and QPdfPageSelectorSpinBox::setDocument().

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isNull()

template<class T >

bool QPointer< T >::isNull ( ) const

inlinenoexcept

Definition at line 84 of file qpointer.h.

Referenced by QCocoaMenuBar::~QCocoaMenuBar(), QMenuPrivate::~QMenuPrivate(), QGraphicsProxyWidgetPrivate::_q_removeWidgetSlot(), QHeaderDataProxyModel::columnCount(), QWindowsInputContext::composition(), QWindowsSystemTrayIcon::createMenu(), QHeaderDataProxyModel::data(), QDragManager::drag(), QWindowsInputContext::endComposition(), QQuickWidgetPrivate::ensureEngine(), QGeoTiledMapNokia::evaluateCopyrights(), QQuickColorDialogImplPrivate::eyeDropperEnter(), QCocoaMenuBar::handleReparent(), QPcscSlot::hasCard(), QQuickViewPrivate::init(), QQuickWidgetPrivate::init(), QNetworkReplyImplPrivate::metaDataChanged(), QGuiApplicationPrivate::processCloseEvent(), QDBusConnectionPrivate::processFinishedCall(), QGuiApplicationPrivate::processGeometryChangeEvent(), QGuiApplicationPrivate::processGestureEvent(), QGuiApplicationPrivate::processMouseEvent(), QPcscSlot::processStateChange(), QWindowsOleDropSource::QueryContinueDrag(), QPdfIOHandler::read(), QQuick3DObjectPrivate::refSceneManager(), QGeoTileRequestManagerPrivate::requestTiles(), QWindowsInputContext::reset(), QMdiSubWindowPrivate::restoreFocus(), RetryFuture::retry(), QHeaderDataProxyModel::rowCount(), QDeclarativeGeoMap::setCopyrightsVisible(), QWindowsMouseHandler::translateMouseEvent(), and QWindowsPointerHandler::translateMouseEvent().

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operator T*()

template<class T >

QPointer< T >::operator T* ( ) const

inlinenoexcept

Definition at line 81 of file qpointer.h.

operator*()

template<class T >

T & QPointer< T >::operator* ( ) const

inlinenoexcept

Definition at line 79 of file qpointer.h.

References QPointer< T >::data().

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operator->()

template<class T >

T * QPointer< T >::operator-> ( ) const

inlinenoexcept

Definition at line 77 of file qpointer.h.

References QPointer< T >::data().

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operator=() [1/3]

template<class T >

template<typename X , if_convertible< X > = true>

QPointer & QPointer< T >::operator= ( const QPointer< X > & other )

inlinenoexcept

Definition at line 50 of file qpointer.h.

References QPointer< T >::QPointer, and other().

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operator=() [2/3]

template<class T >

template<typename X , if_convertible< X > = true>

QPointer & QPointer< T >::operator= ( QPointer< X > && other )

inlinenoexcept

Definition at line 57 of file qpointer.h.

References QPointer< T >::QPointer, and other().

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operator=() [3/3]

template<class T >

QPointer< T > & QPointer< T >::operator= ( T * p )

inline

Definition at line 70 of file qpointer.h.

swap()

template<class T >

void QPointer< T >::swap ( QPointer< T > & other )

inlinenoexcept

Definition at line 68 of file qpointer.h.

References other().

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Friends And Related Symbol Documentation

QPointer

template<class T >

template<typename X >

friend class QPointer

friend

Definition at line 24 of file qpointer.h.

Referenced by QPointer< T >::operator=(), and QPointer< T >::operator=().

swap

template<class T >

void swap ( QPointer< T > & lhs, QPointer< T > & rhs )

friend

Definition at line 90 of file qpointer.h.

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

• qtbase/src/corelib/kernel/qpointer.h (1219dbcd123a8001785a1e58452d9abfdfc43471)