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Qt 6.4 中的新类和函数

本页包含 Qt 6.4 中引入的所有新类和函数的综合列表。

新类

A
QAbstractHttpServer
H
QHttpServer
QHttpServerRequest
QHttpServerResponder
QHttpServerResponse
QHttpServerRouter
QHttpServerRouterRule
P
QPdfLink
QPdfPageNavigator
S
QSslServer
W
QWebEngineFileSystemAccessRequest
QWebSocketHandshakeOptions

新成员函数

类QAbstractItemModelTester ：

(since 6.4) void setUseFetchMore(bool value)

类QByteArray ：

(since 6.4) QByteArray percentDecoded(char percent) const
(since 6.4) void resize(qsizetype newSize, char c)

类QColor ：

(since 6.4) QColor fromString(QAnyStringView name)
(since 6.4) bool isValidColorName(QAnyStringView name)

类QColorTransform ：

(since 6.4) bool isIdentity() const
(since 6.4) QRgbaFloat16 map(QRgbaFloat16 rgbafp16) const
(since 6.4) QRgbaFloat32 map(QRgbaFloat32 rgbafp32) const
(since 6.4) bool operator!=(const QColorTransform &ct1, const QColorTransform &ct2)
(since 6.4) bool operator==(const QColorTransform &ct1, const QColorTransform &ct2)

类QDate ：

(since 6.4) QDate addDuration(std::chrono::days ndays) const
(since 6.4) QDate fromStdSysDays(const std::chrono::sys_days &days)

班级QDateTime ：

(since 6.4) QDateTime addDuration(std::chrono::milliseconds msecs) const
(since 6.4) QDateTime fromStdLocalTime(const std::chrono::local_time<std::chrono::milliseconds> &time)
(since 6.4) QDateTime fromStdTimePoint(const std::chrono::local_time<std::chrono::milliseconds> &time)
(since 6.4) QDateTime fromStdTimePoint(const std::chrono::time_point<Clock, Duration> &time)
(since 6.4) QDateTime fromStdTimePoint(std::chrono::time_point<std::chrono::system_clock, std::chrono::milliseconds> time)
(since 6.4) QDateTime fromStdZonedTime(const int &time)
(since 6.4) QDateTime operator+(const QDateTime &dateTime, std::chrono::milliseconds duration)
(since 6.4) QDateTime operator+(std::chrono::milliseconds duration, const QDateTime &dateTime)
(since 6.4) QDateTime &operator+=(std::chrono::milliseconds duration)
(since 6.4) std::chrono::milliseconds operator-(const QDateTime &lhs, const QDateTime &rhs)
(since 6.4) QDateTime operator-(const QDateTime &dateTime, std::chrono::milliseconds duration)
(since 6.4) QDateTime &operator-=(std::chrono::milliseconds duration)
(since 6.4) std::chrono::sys_time<std::chrono::milliseconds> toStdSysMilliseconds() const
(since 6.4) std::chrono::sys_seconds toStdSysSeconds() const

班级QFileInfo ：

(since 6.4) bool isAlias() const

班级QFormLayout ：

(since 6.4) bool isRowVisible(int row) const
(since 6.4) bool isRowVisible(QLayout *layout) const
(since 6.4) bool isRowVisible(QWidget *widget) const
(since 6.4) void setRowVisible(int row, bool on)
(since 6.4) void setRowVisible(QLayout *layout, bool on)
(since 6.4) void setRowVisible(QWidget *widget, bool on)

班级QFuture ：

(since 6.4) QFuture<U> unwrap()

班级QHash ：

(since 6.4) auto asKeyValueRange() &&
(since 6.4) auto asKeyValueRange() &
(since 6.4) auto asKeyValueRange() const &&
(since 6.4) auto asKeyValueRange() const &

班级QImage ：

(since 6.4) QImage colorTransformed(const QColorTransform &transform) const &
(since 6.4) QImage colorTransformed(const QColorTransform &transform) &&

班级QJniEnvironment ：

(since 6.4) jfieldID findField(jclass clazz, const char *fieldName)
(since 6.4) jmethodID findMethod(jclass clazz, const char *methodName)
(since 6.4) jfieldID findStaticField(jclass clazz, const char *fieldName)
(since 6.4) jmethodID findStaticMethod(jclass clazz, const char *methodName)

班级QJniObject ：

(since 6.4) auto callMethod(const char *methodName, Args &&... args) const
(since 6.4) auto callMethod(const char *methodName, const char *signature, Args &&... args) const
(since 6.4) QJniObject callObjectMethod(const char *methodName, Args &&... args) const
(since 6.4) auto callStaticMethod(const char *className, const char *methodName, Args &&... args)
(since 6.4) auto callStaticMethod(jclass clazz, const char *methodName, Args &&... args)
(since 6.4) auto callStaticMethod(jclass clazz, jmethodID methodId, Args &&... args)
(since 6.4) auto callStaticMethod(const char *className, const char *methodName, const char *signature, Args &&... args)
(since 6.4) QJniObject callStaticObjectMethod(const char *className, const char *methodName, Args &&... args)
(since 6.4) QJniObject callStaticObjectMethod(jclass clazz, const char *methodName, Args &&... args)
(since 6.4) QJniObject construct(Args &&... args)

班级QLatin1StringView ：

(since 6.4) const char *constBegin() const
(since 6.4) const char *constData() const
(since 6.4) const char *constEnd() const
(since 6.4) qsizetype count(QChar ch, Qt::CaseSensitivity cs) const
(since 6.4) qsizetype count(QLatin1StringView l1, Qt::CaseSensitivity cs) const
(since 6.4) qsizetype count(QStringView str, Qt::CaseSensitivity cs) const
(since 6.4) bool empty() const
(since 6.4) QLatin1Char first() const
(since 6.4) QLatin1Char last() const
(since 6.4) qsizetype length() const
(since 6.4) double toDouble(bool *ok) const
(since 6.4) float toFloat(bool *ok) const
(since 6.4) int toInt(bool *ok, int base) const
(since 6.4) long toLong(bool *ok, int base) const
(since 6.4) qlonglong toLongLong(bool *ok, int base) const
(since 6.4) short toShort(bool *ok, int base) const
(since 6.4) uint toUInt(bool *ok, int base) const
(since 6.4) ulong toULong(bool *ok, int base) const
(since 6.4) qulonglong toULongLong(bool *ok, int base) const
(since 6.4) ushort toUShort(bool *ok, int base) const

班级QLine ：

(since 6.4) QLineF toLineF() const

班级QListWidgetItem ：

(since 6.4) void setTextAlignment(Qt::Alignment alignment)

班级QMap ：

(since 6.4) auto asKeyValueRange() &&
(since 6.4) auto asKeyValueRange() &
(since 6.4) auto asKeyValueRange() const &&
(since 6.4) auto asKeyValueRange() const &

班级QMargins ：

(since 6.4) QMarginsF toMarginsF() const

班级QMetaType ：

(since 6.4) size_t qHash(QMetaType key, size_t seed)

班级QMqttSubscriptionProperties ：

(since 6.4) bool noLocal() const
(since 6.4) void setNoLocal(bool noloc)

班级QMultiHash ：

(since 6.4) auto asKeyValueRange() &&
(since 6.4) auto asKeyValueRange() &
(since 6.4) auto asKeyValueRange() const &&
(since 6.4) auto asKeyValueRange() const &

班级QMultiMap ：

(since 6.4) auto asKeyValueRange() &&
(since 6.4) auto asKeyValueRange() &
(since 6.4) auto asKeyValueRange() const &&
(since 6.4) auto asKeyValueRange() const &

班级QMutexLocker ：

(since 6.4) bool isLocked() const
(since 6.4) QMutexLocker<Mutex> &operator=(QMutexLocker<Mutex> &&other)
(since 6.4) void swap(QMutexLocker<Mutex> &other)

班级QNetworkInformation ：

(since 6.4) bool loadBackendByFeatures(QNetworkInformation::Features features)
(since 6.4) bool loadBackendByName(QStringView backend)

类QObject ：

(since 6.4) bool isQuickItemType() const
(since 6.4) void setObjectName(QAnyStringViewname)

班级QPoint ：

(since 6.4) QPointF toPointF() const

班级QPolygon ：

(since 6.4) QPolygonF toPolygonF() const

班级QQmlApplicationEngine ：

(since 6.4) void objectCreationFailed(const QUrl &url)

班级QQuickRenderTarget ：

(since 6.4) QQuickRenderTarget fromD3D11Texture(void *texture, uint format, const QSize &pixelSize, int sampleCount)
(since 6.4) QQuickRenderTarget fromMetalTexture(MTLTexture *texture, uint format, const QSize &pixelSize, int sampleCount)
(since 6.4) QQuickRenderTarget fromOpenGLTexture(uint textureId, uint format, const QSize &pixelSize, int sampleCount)
(since 6.4) QQuickRenderTarget fromPaintDevice(QPaintDevice *device)
(since 6.4) QQuickRenderTarget fromVulkanImage(VkImage image, VkImageLayout layout, VkFormat format, const QSize &pixelSize, int sampleCount)
(since 6.4) bool mirrorVertically() const
(since 6.4) void setMirrorVertically(bool enable)

班级QRect ：

(since 6.4) QRectF toRectF() const

班级QSGMaterialShader ：

(since 6.4) int combinedImageSamplerCount(int binding) const

班级QSize ：

(since 6.4) QSizeF toSizeF() const

班级QStringView ：

(since 6.4) qsizetype count(QLatin1StringView l1, Qt::CaseSensitivity cs) const
(since 6.4) int localeAwareCompare(QStringView other) const

班级QTableWidgetItem ：

(since 6.4) void setTextAlignment(Qt::Alignment alignment)

班级QTcpServer ：

(since 6.4) void pendingConnectionAvailable()

班级QTemporaryDir ：

(since 6.4) QTemporaryDir &operator=(QTemporaryDir &&other)
(since 6.4) void swap(QTemporaryDir &other)

班级QTextCursor ：

(since 6.4) void insertMarkdown(const QString &markdown, QTextDocument::MarkdownFeatures features)

班级QTextDocumentFragment ：

(since 6.4) QTextDocumentFragment fromMarkdown(const QString &markdown, QTextDocument::MarkdownFeatures features)
(since 6.4) QString toMarkdown(QTextDocument::MarkdownFeatures features) const
(since 6.4) QString toRawText() const

班级QTextStream ：

(since 6.4) QTextStream &operator>>(char16_t &c)

班级QTextToSpeech ：

(since 6.4) bool setEngine(const QString &engine, const QVariantMap &params)

班级QTimeZone ：

(since 6.4) QTimeZone fromStdTimeZonePtr(const int *timeZone)

班级QTreeWidgetItem ：

(since 6.4) void setTextAlignment(int column, Qt::Alignment alignment)

班级QVarLengthArray ：

(since 6.4) void resize(qsizetype size, const T &v)

班级QVersionNumber ：

(since 6.4) QVersionNumber fromString(QAnyStringView string, qsizetype *suffixIndex)

班级QVoice ：

(since 6.4) QDataStream &operator<<(QDataStream &stream, const QVoice &voice)
(since 6.4) QDebug operator<<(QDebug debug, const QVoice &voice)
(since 6.4) QDataStream &operator>>(QDataStream &stream, QVoice &voice)
(since 6.4) void swap(QVoice &other)

班级QWebEnginePage ：

(since 6.4) void fileSystemAccessRequested(QWebEngineFileSystemAccessRequest request)

班级QWebSocket ：

(since 6.4) QWebSocketHandshakeOptions handshakeOptions() const
(since 6.4) void open(const QNetworkRequest &request, const QWebSocketHandshakeOptions &options)
(since 6.4) void open(const QUrl &url, const QWebSocketHandshakeOptions &options)
(since 6.4) QString subprotocol() const

类QWebSocketServer ：

(since 6.4) void setSupportedSubprotocols(const QStringList &protocols)
(since 6.4) QStringList supportedSubprotocols() const

命名空间中的新函数

(since 6.4) QLatin1StringView operator""_L1(const char *str, size_t size)
(since 6.4) QLatin1Char operator""_L1(char ch)
(since 6.4) QByteArray operator""_ba(const char *str, size_t size)
(since 6.4) QString operator""_s(const char16_t *str, size_t size)
(since 6.4) bool qIsPolishScheduled(const QQuickWindow *window)
(since 6.4) bool qWaitForPolish(const QQuickWindow *window, int timeout)
(since 6.4) bool qWaitForPolish(const QQuickItem *item, int timeout)

新宏

(since 6.4) QCOMPARE_EQ(computed, baseline)
(since 6.4) QCOMPARE_GE(computed, baseline)
(since 6.4) QCOMPARE_GT(computed, baseline)
(since 6.4) QCOMPARE_LE(computed, baseline)
(since 6.4) QCOMPARE_LT(computed, baseline)
(since 6.4) QCOMPARE_NE(computed, baseline)
(since 6.4) QTRY_COMPARE_EQ(computed, baseline)
(since 6.4) QTRY_COMPARE_EQ_WITH_TIMEOUT(computed, baseline, timeout)
(since 6.4) QTRY_COMPARE_GE(computed, baseline)
(since 6.4) QTRY_COMPARE_GE_WITH_TIMEOUT(computed, baseline, timeout)
(since 6.4) QTRY_COMPARE_GT(computed, baseline)
(since 6.4) QTRY_COMPARE_GT_WITH_TIMEOUT(computed, baseline, timeout)
(since 6.4) QTRY_COMPARE_LE(computed, baseline)
(since 6.4) QTRY_COMPARE_LE_WITH_TIMEOUT(computed, baseline, timeout)
(since 6.4) QTRY_COMPARE_LT(computed, baseline)
(since 6.4) QTRY_COMPARE_LT_WITH_TIMEOUT(computed, baseline, timeout)
(since 6.4) QTRY_COMPARE_NE(computed, baseline)
(since 6.4) QTRY_COMPARE_NE_WITH_TIMEOUT(computed, baseline, timeout)
(since 6.4) Q_CONSTINIT

新枚举类型

(since 6.4) enum PolygonMode { Fill, Line }

新枚举值

enum value Error::InvalidResponseError
enum value Error::MissingPermissionsError
enum value Error::MissingPermissionsError
enum value Error::MissingPermissionsError
enum value Error::MissingPermissionsError
enum value Error::MissingPermissionsError
enum value Resource::RedirectPaintDevice
enum value SocketError::MissingPermissionsError

新属性

新变量

(since 6.4) polygonMode
(since 6.4) MacOSVentura
(since 6.4) Windows11_21H2
(since 6.4) Windows11_22H2

新 QML 类型

B
BakedLightmap
BoxShape
C
CapsuleGeometry
CapsuleShape
CharacterController
CollisionShape
ColorDialog
ConvexMeshShape
D
DynamicRigidBody
F
FrameAnimation
H
HeightFieldGeometry
HeightFieldShape
I
InstanceModel
InstanceRepeater
L
Lightmapper
LineParticle3D
LookAtNode
P
PdfBookmarkModel
PdfPageImage
PhysicsBody
PhysicsMaterial
PhysicsNode
PhysicsWorld
PlaneShape
R
Repeller3D
S
ScaleAffector3D
SphereShape
StaticRigidBody
SystemInformation
T
TriangleMeshShape
TriggerBody

新 QML 属性

QML 类型Model ：

(since 6.4) castsReflections : bool

QML 类型ReflectionProbe ：

(since 6.4) debugView : bool

QML 类型SceneEnvironment ：

(since 6.4) skyBoxCubeMap : QtQuick3D::CubeMapTexture
(since 6.4) skyboxBlurAmount : real
(since 6.4) specularAAEnabled : bool

QML 类型SpriteParticle3D ：

(since 6.4) castsReflections : bool

QML 类型TableView ：

(since 6.4) animate : bool
(since 6.4) keyNavigationEnabled : bool
(since 6.4) pointerNavigationEnabled : bool
(since 6.4) selectionBehavior : enumeration

QML 类型View3D ：

(since 6.4) renderFormat : enumeration

QML 类型WaylandSurface ：

(since 6.4) isOpaque : bool

QML 类型WebSocket ：

(since 6.4) negotiatedSubprotocol : string
(since 6.4) requestedSubprotocols : list<string>

QML 类型WebSocketServer ：

(since 6.4) supportedSubprotocols : list<string>

新的 QML 方法

QML 类型TableView ：

(since 6.4) point cellAtIndex(QModelIndex modelIndex)
(since 6.4) int columnAtIndex(QModelIndex modelIndex)
(since 6.4) QModelIndex modelIndex(point cell)
(since 6.4) int rowAtIndex(QModelIndex modelIndex)

QML 类型TreeView ：

(since 6.4) collapseRecursively(row)
(since 6.4) expandRecursively(row, depth)
(since 6.4) expandToIndex(QModelIndex index)

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