Qt 6.0 中的新类和函数

本节提供了 Qt 6.0 中引入的所有新类和函数的完整列表。

新命名空间

(since 6.0) namespace QNativeInterface
(since 6.0) namespace QQuickOpenGLUtils

新类

新成员职能

QAbstractItemModel 类:

(since 6.0) virtual bool clearItemData(const QModelIndex &index)
(since 6.0) virtual void multiData(const QModelIndex &index, QModelRoleDataSpan roleDataSpan) const

QAbstractItemView 类:

(since 6.0) virtual void initViewItemOption(QStyleOptionViewItem *option) const
(since 6.0) virtual QAbstractItemDelegate *itemDelegateForIndex(const QModelIndex &index) const

QAbstractProxyModel 类:

(since 6.0) virtual bool clearItemData(const QModelIndex &index) override

QAction 类:

(since 6.0) QList<QObject *> associatedObjects() const

QBitArray 类:

(since 6.0) quint32 toUInt32(QSysInfo::Endian endianness, bool *ok = nullptr) const

QBitmap 类:

(since 6.0) QBitmap fromPixmap(const QPixmap &pixmap)

QBluetoothDeviceInfo 类:

(since 6.0) QList<QBluetoothUuid> serviceUuids() const

QByteArray 类:

(since 6.0) int compare(QByteArrayView bv, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
(since 6.0) bool contains(QByteArrayView bv) const
(since 6.0) qsizetype count(QByteArrayView bv) const
(since 6.0) bool endsWith(QByteArrayView bv) const
(since 6.0) QByteArray first(qsizetype n) &&
(since 6.0) QByteArray first(qsizetype n) const &
(since 6.0) qsizetype indexOf(QByteArrayView bv, qsizetype from = 0) const
(since 6.0) QByteArray &insert(qsizetype i, QByteArrayView data)
(since 6.0) QByteArray last(qsizetype n) &&
(since 6.0) QByteArray last(qsizetype n) const &
(since 6.0) qsizetype lastIndexOf(QByteArrayView bv, qsizetype from) const
(since 6.0) void push_back(QByteArrayView str)
(since 6.0) void push_front(QByteArrayView str)
(since 6.0) QByteArray &replace(QByteArrayView before, QByteArrayView after)
(since 6.0) QByteArray sliced(qsizetype pos, qsizetype n) &&
(since 6.0) QByteArray sliced(qsizetype pos, qsizetype n) const &
(since 6.0) QByteArray sliced(qsizetype pos) &&
(since 6.0) QByteArray sliced(qsizetype pos) const &
(since 6.0) bool startsWith(QByteArrayView bv) const

QCanBusDeviceInfo 类:

(since 6.0) QString alias() const

QChar 类:

(since 6.0) QChar fromUcs2(char16_t c)
(since 6.0) auto fromUcs4(char32_t c)

QDataStream 类:

(since 6.0) QDataStream &operator<<(QDataStream &out, const std::pair<T1, T2> &pair)
(since 6.0) QDataStream &operator<<(char16_t c)
(since 6.0) QDataStream &operator<<(char32_t c)
(since 6.0) QDataStream &operator>>(QDataStream &in, std::pair<T1, T2> &pair)
(since 6.0) QDataStream &operator>>(char16_t &c)
(since 6.0) QDataStream &operator>>(char32_t &c)

QDate 类:

(since 6.0) QDate fromString(QStringView string, Qt::DateFormat format = Qt::TextDate)
(since 6.0) QDate fromString(QStringView string, QStringView format, QCalendar cal)
(since 6.0) QDate fromString(const QString &string, QStringView format, QCalendar cal)
(since 6.0) QDate fromString(const QString &string, QStringView format, int baseYear, QCalendar cal)

QDateTime 类:

(since 6.0) QDateTime fromString(QStringView string, Qt::DateFormat format = Qt::TextDate)
(since 6.0) QDateTime fromString(QStringView string, QStringView format, QCalendar cal)
(since 6.0) QDateTime fromString(const QString &string, QStringView format, QCalendar cal)
(since 6.0) QDateTime fromString(const QString &string, QStringView format, int baseYear, QCalendar cal)

QDebug 类:

(since 6.0) QDebug &operator<<(QByteArrayView t)
(since 6.0) QDebug &operator<<(QUtf8StringView s)
(since 6.0) QDebug &operator<<(const char16_t *t)
(since 6.0) QString toString(const T &object)

QDir 类:

(since 6.0) void addSearchPath(const QString &prefix, const std::filesystem::path &path)
(since 6.0) std::filesystem::path filesystemAbsolutePath() const
(since 6.0) std::filesystem::path filesystemCanonicalPath() const
(since 6.0) std::filesystem::path filesystemPath() const
(since 6.0) void setPath(const std::filesystem::path &path)

QDropEvent 类:

(since 6.0) Qt::MouseButtons buttons() const
(since 6.0) Qt::KeyboardModifiers modifiers() const
(since 6.0) QPointF position() const

QEvent 类:

(since 6.0) virtual QEvent *clone() const
(since 6.0) bool isInputEvent() const
(since 6.0) bool isPointerEvent() const
(since 6.0) bool isSinglePointEvent() const

QExplicitlySharedDataPointer 类:

(since 6.0) T *get() const
(since 6.0) void reset(T *ptr = nullptr)

QFile 类:

(since 6.0) bool copy(const std::filesystem::path &newName)
(since 6.0) std::filesystem::path filesystemFileName() const
(since 6.0) bool link(const std::filesystem::path &newName)
(since 6.0) QFileDevice::Permissions permissions(const std::filesystem::path &filename)
(since 6.0) bool rename(const std::filesystem::path &newName)
(since 6.0) void setFileName(const std::filesystem::path &name)
(since 6.0) bool setPermissions(const std::filesystem::path &filename, QFileDevice::Permissions permissionSpec)

QFileInfo 类:

(since 6.0) std::filesystem::path filesystemAbsoluteFilePath() const
(since 6.0) std::filesystem::path filesystemAbsolutePath() const
(since 6.0) std::filesystem::path filesystemCanonicalFilePath() const
(since 6.0) std::filesystem::path filesystemCanonicalPath() const
(since 6.0) std::filesystem::path filesystemFilePath() const
(since 6.0) std::filesystem::path filesystemPath() const
(since 6.0) std::filesystem::path filesystemSymLinkTarget() const
(since 6.0) void setFile(const std::filesystem::path &path)
(since 6.0) void stat()

QFuture 类:

(since 6.0) bool isSuspended() const
(since 6.0) bool isSuspending() const
(since 6.0) bool isValid() const
(since 6.0) QFuture<T> onCanceled(Function &&handler)
(since 6.0) QFuture<T> onFailed(Function &&handler)
(since 6.0) void setSuspended(bool suspend)
(since 6.0) void suspend()
(since 6.0) T takeResult()
(since 6.0) QFuture<QFuture<T>::ResultType<Function>> then(Function &&function)
(since 6.0) QFuture<QFuture<T>::ResultType<Function>> then(QThreadPool *pool, Function &&function)
(since 6.0) QFuture<QFuture<T>::ResultType<Function>> then(QtFuture::Launch policy, Function &&function)
(since 6.0) void toggleSuspended()

QFutureWatcher 类:

(since 6.0) bool isSuspended() const
(since 6.0) bool isSuspending() const
(since 6.0) void setSuspended(bool suspend)
(since 6.0) void suspend()
(since 6.0) void suspended()
(since 6.0) void suspending()
(since 6.0) void toggleSuspended()

QGraphicsLayoutItem 类:

(since 6.0) virtual bool isEmpty() const

类QHash :

(since 6.0) size_t qHash(QByteArrayViewkey, size_tseed= 0)
(since 6.0) size_t qHash(QPointkey, size_tseed= 0)
(since 6.0) size_t qHash(char16_tkey, size_tseed= 0)
(since 6.0) size_t qHash(char32_tkey, size_tseed= 0)
(since 6.0) size_t qHash(char8_t密钥, size_t初始值= 0)
(since 6.0) size_t qHash(const QTypeRevision&key, size_tseed= 0)
(since 6.0) size_t qHash(std::nullptr_tkey, size_tseed= 0)
(since 6.0) size_t qHash(wchar_tkey, size_tseed= 0)
(since 6.0) size_t qHashMulti(size_t种子, const T &...参数)
(since 6.0) size_t qHashMultiCommutative(size_tseed, const T &...args)

类QHeaderView :

(since 6.0) virtual void initStyleOptionForIndex(QStyleOptionHeader *option, int logicalIndex) const

QIODevice 类:

(since 6.0) virtual qint64 skipData(qint64 maxSize)

QIcon 类:

(since 6.0) QPixmap pixmap(const QSize &size, qreal devicePixelRatio, QIcon::Mode mode = Normal, QIcon::State state = Off) const

类QImage :

(since 6.0) QImage convertedTo(QImage::Format format, Qt::ImageConversionFlags flags = Qt::AutoColor) &&
(since 6.0) QImage convertedTo(QImage::Format format, Qt::ImageConversionFlags flags = Qt::AutoColor) const &
(since 6.0) QImage fromHBITMAP(HBITMAP hbitmap)
(since 6.0) QImage fromHICON(HICON icon)
(since 6.0) void mirror(bool horizontal = false, bool vertical = true)
(since 6.0) void rgbSwap()
(since 6.0) HBITMAP toHBITMAP() const
(since 6.0) HICON toHICON(const QImage &mask = {}) const

类QImageIOHandler :

(since 6.0) bool allocateImage(QSize size, QImage::Format format, QImage *image)

QImageReader 类:

(since 6.0) int allocationLimit()
(since 6.0) void setAllocationLimit(int mbLimit)

QInputEvent 类:

(since 6.0) const QInputDevice *device() const

QJsonValue 类:

(since 6.0) qint64 toInteger(qint64 defaultValue = 0) const

QKeyEvent 类:

(since 6.0) QKeyCombination keyCombination() const

QLabel 类:

(since 6.0) QPicture picture() const

QLatin1StringView 类:

(since 6.0) QLatin1StringView first(qsizetype n) const
(since 6.0) QLatin1StringView last(qsizetype n) const
(since 6.0) QLatin1StringView sliced(qsizetype pos) const
(since 6.0) QLatin1StringView sliced(qsizetype pos, qsizetype n) const
(since 6.0) QString toString() const
(since 6.0) auto tokenize(Needle &&sep, Flags... flags) const

QLibraryInfo 类:

(since 6.0) QString path(QLibraryInfo::LibraryPath p)

QList 类:

(since 6.0) void append(QList<T> &&value)
(since 6.0) QList<T> first(qsizetype n) const
(since 6.0) QList<T> last(qsizetype n) const
(since 6.0) QList<T> &operator+=(QList<T> &&other)
(since 6.0) QList<T> &operator<<(QList<T> &&other)
(since 6.0) void resize(qsizetype size)
(since 6.0) void resize(qsizetype size, QList<T>::parameter_type c)
(since 6.0) QList<T> sliced(qsizetype pos, qsizetype n) const
(since 6.0) QList<T> sliced(qsizetype pos) const

QLocale 类:

(since 6.0) QString quoteString(QStringView str, QLocale::QuotationStyle style = StandardQuotation) const

QMap 类:

(since 6.0) QMap<Key, T>::iterator erase(QMap<Key, T>::const_iterator first, QMap<Key, T>::const_iterator last)
(since 6.0) std::map<Key, T> toStdMap() &&

QMargins 类:

(since 6.0) QMargins operator|(const QMargins &m1, const QMargins &m2)

QMarginsF 类:

(since 6.0) QMarginsF operator|(const QMarginsF &m1, const QMarginsF &m2)

QMetaAssociation 类:

(since 6.0) QMetaAssociation fromContainer()

QMetaMethod 类:

(since 6.0) QMetaType parameterMetaType(int index) const
(since 6.0) QByteArray parameterTypeName(int index) const
(since 6.0) int relativeMethodIndex() const
(since 6.0) QMetaType returnMetaType() const

QMetaProperty 类:

(since 6.0) QUntypedBindable bindable(QObject *object) const
(since 6.0) bool isBindable() const
(since 6.0) QMetaType metaType() const
(since 6.0) int typeId() const

QMetaSequence 类:

(since 6.0) QMetaSequence fromContainer()
(since 6.0) bool operator!=(const QMetaSequence &lhs, const QMetaSequence &rhs)
(since 6.0) bool operator==(const QMetaSequence &lhs, const QMetaSequence &rhs)

QMetaType 类:

(since 6.0) qsizetype alignOf() const
(since 6.0) QPartialOrdering compare(const void *lhs, const void *rhs) const
(since 6.0) bool equals(const void *lhs, const void *rhs) const
(since 6.0) bool hasRegisteredDebugStreamOperator() const
(since 6.0) bool hasRegisteredMutableViewFunction()
(since 6.0) bool registerMutableView(To (From::*function)())
(since 6.0) bool registerMutableView(UnaryFunction function)
(since 6.0) bool view(QMetaType fromType, void *from, QMetaType toType, void *to)

QModbusReply 类:

(since 6.0) QList<QModbusDevice::IntermediateError> intermediateErrors() const

QModelIndex 类:

(since 6.0) void multiData(QModelRoleDataSpan roleDataSpan) const

QMultiHash 类:

(since 6.0) QMultiHash<Key, T> &unite(const QHash<Key, T> &other)

QMultiMap 类:

(since 6.0) QMultiMap<Key, T>::iterator erase(QMultiMap<Key, T>::const_iterator first, QMultiMap<Key, T>::const_iterator last)

QSGD3D11Texture 类:

(since 6.0) QSGTexture *fromNative(void *texture, QQuickWindow *window, const QSize &size, QQuickWindow::CreateTextureOptions options = {})

QSGMetalTexture 类:

(since 6.0) QSGTexture *fromNative(int texture, QQuickWindow *window, const QSize &size, QQuickWindow::CreateTextureOptions options = {})

QSGOpenGLTexture 类:

(since 6.0) QSGTexture *fromNative(GLuint textureId, QQuickWindow *window, const QSize &size, QQuickWindow::CreateTextureOptions options = {})

QSGVulkanTexture 类:

(since 6.0) QSGTexture *fromNative(VkImage image, VkImageLayout layout, QQuickWindow *window, const QSize &size, QQuickWindow::CreateTextureOptions options = {})

QPagedPaintDevice 类:

(since 6.0) QPageRanges pageRanges() const
(since 6.0) virtual void setPageRanges(const QPageRanges &ranges)

QPersistentModelIndex 类:

(since 6.0) void multiData(QModelRoleDataSpan roleDataSpan) const

QPointer 类:

(since 6.0) T *get() const

QProcess 类:

(since 6.0) std::function<void ()> childProcessModifier() const
(since 6.0) void setChildProcessModifier(const std::function<void ()> &modifier)
(since 6.0) void startCommand(const QString &command, QIODeviceBase::OpenMode mode = ReadWrite)

QProperty 类:

(since 6.0) QPropertyBinding<T> setBinding(Functor f)
(since 6.0) QPropertyChangeHandler<Functor> subscribe(Functor f)

QQmlApplicationEngine 类:

(since 6.0) void setExtraFileSelectors(const QStringList &extraFileSelectors)

QQmlExtensionPlugin 类:

(since 6.0) virtual void unregisterTypes()

QQuickItem 类:

(since 6.0) virtual void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry)

类QQuickRenderControl :

(since 6.0) void beginFrame()
(since 6.0) void endFrame()
(since 6.0) bool initialize()
(since 6.0) int samples() const
(since 6.0) void setSamples(intsampleCount)
(since 6.0) QQuickWindow *window() const

类QQuickWindow :

(since 6.0) void afterFrameEnd()
(since 6.0) void beforeFrameBegin()
(since 6.0) QSGRendererInterface::GraphicsApi graphicsApi()
(since 6.0) QQuickGraphicsConfiguration graphicsConfiguration() const
(since 6.0) QQuickGraphicsDevice graphicsDevice() const
(since 6.0) QQuickRenderTarget renderTarget() const
(since 6.0) void setGraphicsApi(QSGRendererInterface::GraphicsApi api)
(since 6.0) void setGraphicsConfiguration(const QQuickGraphicsConfiguration &config)
(since 6.0) void setGraphicsDevice(const QQuickGraphicsDevice &device)
(since 6.0) void setRenderTarget(const QQuickRenderTarget &target)

类QRect :

(since 6.0) QRect span(const QPoint &p1, const QPoint &p2)

QRegion 类:

(since 6.0) QRegion fromHRGN(HRGN hrgn)
(since 6.0) HRGN toHRGN() const

类QRegularExpression :

(since 6.0) QRegularExpression fromWildcard(QStringView pattern, Qt::CaseSensitivity cs = Qt::CaseInsensitive, QRegularExpression::WildcardConversionOptions options = DefaultWildcardConversion)

类QSGRenderNode :

(since 6.0) virtual void prepare()

QSGTexture 类:

(since 6.0) virtual void commitTextureOperations(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates)
(since 6.0) virtual QRhiTexture *rhiTexture() const

QSharedDataPointer 类:

(since 6.0) T *get()
(since 6.0) const T *get() const
(since 6.0) void reset(T *ptr = nullptr)
(since 6.0) T *take()

QShortcut 类:

(since 6.0) QList<QKeySequence> keys() const
(since 6.0) void setKeys(QKeySequence::StandardKey key)
(since 6.0) void setKeys(const QList<QKeySequence> &keys)

QSortFilterProxyModel 类:

(since 6.0) void autoAcceptChildRowsChanged(bool autoAcceptChildRows)
(since 6.0) void invalidateColumnsFilter()
(since 6.0) void invalidateRowsFilter()

QSqlDriver 类:

(since 6.0) virtual int maximumIdentifierLength(QSqlDriver::IdentifierType type) const

QSqlQuery 类:

(since 6.0) QVariantList boundValues() const

QSslConfiguration 类:

(since 6.0) bool handshakeMustInterruptOnError() const
(since 6.0) bool missingCertificateIsFatal() const
(since 6.0) void setCiphers(const QString &ciphers)
(since 6.0) void setHandshakeMustInterruptOnError(bool interrupt)
(since 6.0) void setMissingCertificateIsFatal(bool cannotRecover)

QSslSocket 类:

(since 6.0) void continueInterruptedHandshake()

QStandardItem 类:

(since 6.0) virtual void multiData(QModelRoleDataSpan roleDataSpan) const

QString 类:

(since 6.0) QString &append(QStringView v)
(since 6.0) qsizetype count(QStringView str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
(since 6.0) QString first(qsizetype n) &&
(since 6.0) QString first(qsizetype n) const &
(since 6.0) QString fromLatin1(QByteArrayView str)
(since 6.0) QString fromLocal8Bit(QByteArrayView str)
(since 6.0) QString fromUtf8(QByteArrayView str)
(since 6.0) QString fromUtf8(const char8_t *str, qsizetype size)
(since 6.0) QString &insert(qsizetype position, QStringView str)
(since 6.0) QString last(qsizetype n) &&
(since 6.0) QString last(qsizetype n) const &
(since 6.0) int localeAwareCompare(QStringView other) const
(since 6.0) int localeAwareCompare(QStringView s1, QStringView s2)
(since 6.0) QString &operator+=(QStringView str)
(since 6.0) QString &prepend(QStringView str)
(since 6.0) QString sliced(qsizetype pos, qsizetype n) &&
(since 6.0) QString sliced(qsizetype pos, qsizetype n) const &
(since 6.0) QString sliced(qsizetype pos) &&
(since 6.0) QString sliced(qsizetype pos) const &
(since 6.0) auto tokenize(Needle &&sep, Flags... flags) &&
(since 6.0) auto tokenize(Needle &&sep, Flags... flags) const &&
(since 6.0) auto tokenize(Needle &&sep, Flags... flags) const &

QStringListModel 类:

(since 6.0) virtual bool clearItemData(const QModelIndex &index) override

QStringTokenizer 类:

(since 6.0) auto qTokenize(Haystack &&haystack, Needle &&needle, Flags... flags)

QStringView 类:

(since 6.0) QStringView::const_pointer constData() const
(since 6.0) qsizetype count(QChar ch, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
(since 6.0) qsizetype count(QStringView str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
(since 6.0) QStringView first(qsizetype n) const
(since 6.0) QStringView last(qsizetype n) const
(since 6.0) QStringView sliced(qsizetype pos, qsizetype n) const
(since 6.0) QStringView sliced(qsizetype pos) const
(since 6.0) QList<QStringView> split(QChar sep, Qt::SplitBehavior behavior = Qt::KeepEmptyParts, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
(since 6.0) QList<QStringView> split(QStringView sep, Qt::SplitBehavior behavior = Qt::KeepEmptyParts, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
(since 6.0) QList<QStringView> split(const QRegularExpression &re, Qt::SplitBehavior behavior = Qt::KeepEmptyParts) const
(since 6.0) CFStringRef toCFString() const
(since 6.0) double toDouble(bool *ok = nullptr) const
(since 6.0) float toFloat(bool *ok = nullptr) const
(since 6.0) int toInt(bool *ok = nullptr, int base = 10) const
(since 6.0) long toLong(bool *ok = nullptr, int base = 10) const
(since 6.0) qlonglong toLongLong(bool *ok = nullptr, int base = 10) const
(since 6.0) NSString *toNSString() const
(since 6.0) short toShort(bool *ok = nullptr, int base = 10) const
(since 6.0) uint toUInt(bool *ok = nullptr, int base = 10) const
(since 6.0) ulong toULong(bool *ok = nullptr, int base = 10) const
(since 6.0) qulonglong toULongLong(bool *ok = nullptr, int base = 10) const
(since 6.0) ushort toUShort(bool *ok = nullptr, int base = 10) const
(since 6.0) auto tokenize(Needle &&sep, Flags... flags) const

QSurfaceFormat 类:

(since 6.0) void setColorSpace(const QColorSpace &colorSpace)

QTextCharFormat 类:

(since 6.0) qreal baselineOffset() const
(since 6.0) void setBaselineOffset(qreal baseline)
(since 6.0) void setSubScriptBaseline(qreal baseline)
(since 6.0) void setSuperScriptBaseline(qreal baseline)
(since 6.0) qreal subScriptBaseline() const
(since 6.0) qreal superScriptBaseline() const

QTextDocument 类:

(since 6.0) qreal baselineOffset() const
(since 6.0) void setBaselineOffset(qreal baseline)
(since 6.0) void setSubScriptBaseline(qreal baseline)
(since 6.0) void setSuperScriptBaseline(qreal baseline)
(since 6.0) qreal subScriptBaseline() const
(since 6.0) qreal superScriptBaseline() const

QTextStream 类:

(since 6.0) void setEncoding(QStringConverter::Encoding encoding)

QThreadPool 类:

(since 6.0) bool contains(const QThread*thread) const

类QTime :

(since 6.0) QTime fromString(QStringView string, QStringView format)
(since 6.0) QTime fromString(QStringView string, Qt::DateFormat format = Qt::TextDate)
(since 6.0) QTime fromString(const QString &string, QStringView format)

QTypeRevision 类:

(since 6.0) QDataStream &operator<<(QDataStream &out, const QTypeRevision &revision)
(since 6.0) QDataStream &operator>>(QDataStream &in, QTypeRevision &revision)

QUnhandledException 类:

(since 6.0) std::__exception_ptr::exception_ptr exception() const
(since 6.0) void swap(QUnhandledException &other)

QVarLengthArray 类:

(since 6.0) QVarLengthArray<T, Prealloc> &operator=(QVarLengthArray<T, Prealloc> &&other)

QVariant 类:

(since 6.0) bool canConvert(QMetaType type) const
(since 6.0) QPartialOrdering compare(const QVariant &lhs, const QVariant &rhs)
(since 6.0) bool convert(QMetaType targetType)
(since 6.0) QMetaType metaType() const

QWidget 类:

(since 6.0) QPointF mapFrom(const QWidget *parent, const QPointF &pos) const
(since 6.0) QPointF mapFromGlobal(const QPointF &pos) const
(since 6.0) QPointF mapFromParent(const QPointF &pos) const
(since 6.0) QPointF mapTo(const QWidget *parent, const QPointF &pos) const
(since 6.0) QPointF mapToGlobal(const QPointF &pos) const
(since 6.0) QPointF mapToParent(const QPointF &pos) const

QWindow 类:

(since 6.0) QPointF mapFromGlobal(const QPointF &pos) const
(since 6.0) QPointF mapToGlobal(const QPointF &pos) const
(since 6.0) virtual void paintEvent(QPaintEvent *ev)

命名空间中的新函数

(since 6.0) void resetOpenGLState()
(since 6.0) QtConcurrent::QTaskBuilder<Task> task(Task &&task)

新的全局函数

(since 6.0) long double qDegreesToRadians(long double degrees)
(since 6.0) long double qRadiansToDegrees(long double radians)

新宏

(since 6.0) QT_IMPLICIT_QFILEINFO_CONSTRUCTION
(since 6.0) QT_NO_FOREACH
(since 6.0) Q_MOC_INCLUDE
(since 6.0) Q_OBJECT_BINDABLE_PROPERTY(containingClass, type, name, signal)
(since 6.0) Q_OBJECT_BINDABLE_PROPERTY_WITH_ARGS(containingClass, type, name, initialvalue, signal)
(since 6.0) Q_OBJECT_COMPUTED_PROPERTY(containingClass, type, name, callback)

新的枚举类型

(since 6.0) enum IntermediateError { ResponseCrcError, ResponseRequestMismatch }
(since 6.0) enum WildcardConversionOption { DefaultWildcardConversion, UnanchoredWildcardConversion, NonPathWildcardConversion }
(since 6.0) enum class AlertLevel { Warning, Fatal, Unknown }
(since 6.0) enum class AlertType { CloseNotify, UnexpectedMessage, BadRecordMac, RecordOverflow, DecompressionFailure, …, UnknownAlertMessage }
(since 6.0) enum class Launch { Sync, Async, Inherit }

新的枚举值

新的类型别名

(since 6.0) iterator
(since 6.0) QPair
(since 6.0) iterator

新属性

新变量

(since 6.0) const QOperatingSystemVersion MacOSBigSur

新的 QML 类型

新的 QML 属性

QML 类型FontLoader :

(since 6.0) font : font

QML 类型GeometryRenderer :

(since 6.0) sortIndex : real

QML 类型Item :

(since 6.0) palette : Palette

QML 类型SceneEnvironment :

(since 6.0) tonemapMode : enumeration

QML 类型Text :

(since 6.0) renderTypeQuality : int

QML 类型WaylandCompositor :

(since 6.0) additionalShmFormats : list<enum>

QML 类型Window :

(since 6.0) palette : Palette

© 2026 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.