内容

• 其它 Qt 5 发行的补充

Qt 5.4 中的新类和函数

此页面包含 Qt 5.4 引入的所有新类和函数的综合列表。在此页面底部可以找到之前 Qt 5 发行的新 API 链接。

• 新类
• 新成员函数
• 名称空间中的新函数
• 新全局函数
• 新宏
• 新枚举类型
• 新的 Typedef
• 新特性
• 新 QML 类型
• 新 QML 特性
• 新 QML 信号
• 新 QML 方法

新类

A

QAbstractPlanarVideoBuffer

B

QByteArrayList

C

QCocoaNativeContext

D

QDistanceFilter

QDistanceReading

QDistanceSensor

E

QEGLNativeContext

QEnableSharedFromThis

G

QGLXNativeContext

L

QLowEnergyCharacteristic

QLowEnergyController

QLowEnergyDescriptor

QLowEnergyService

O

QOpenGLWidget

QOpenGLWindow

P

QPaintDeviceWindow

QPixelFormat

Q

QQuickRenderControl

R

QRasterWindow

S

QSGAbstractRenderer

QSGEngine

QStorageInfo

W

QWGLNativeContext

QWebChannel

QWebChannelAbstractTransport

QWebEngineCertificateError

QWebEngineHistory

QWebEngineHistoryItem

QWebEnginePage

QWebEngineSettings

QWebEngineView

QWinMime

新成员函数

类 QSysInfo :

QString	buildAbi ()
QString	buildCpuArchitecture ()
QString	currentCpuArchitecture ()
QString	kernelType ()
QString	kernelVersion ()
QString	prettyProductName ()
QString	productType ()
QString	productVersion ()

类 QDebug :

QDebug &	maybeQuote (char c = '"')
QDebug &	noquote ()
QDebug &	quote ()
QDebug &	resetFormat ()

类 QUrl :

QUrl	fromUserInput (const QString & userInput , const QString & workingDirectory , UserInputResolutionOptions options = DefaultResolution)

类 QAbstractProxyModel :

virtual bool	canDropMimeData (const QMimeData * data , Qt::DropAction action , int row , int column , const QModelIndex & parent ) const
virtual bool	dropMimeData (const QMimeData * data , Qt::DropAction action , int row , int column , const QModelIndex & parent )

类 QTimer :

void	singleShot (int msec , const QObject * receiver , PointerToMemberFunction method )
void	singleShot (int msec , Qt::TimerType timerType , const QObject * receiver , PointerToMemberFunction method )
void	singleShot (int msec , Functor functor )
void	singleShot (int msec , Qt::TimerType timerType , Functor functor )
void	singleShot (int msec , const QObject * context , Functor functor )
void	singleShot (int msec , Qt::TimerType timerType , const QObject * context , Functor functor )

类 QAbstractTransition :

void	targetStateChanged ()
void	targetStatesChanged ()

类 QAbstractState :

void	activeChanged (bool active )

类 QHistoryState :

void	defaultStateChanged ()
void	historyTypeChanged ()

类 QSignalTransition :

void	senderObjectChanged ()
void	signalChanged ()

类 QState :

void	childModeChanged ()
void	errorStateChanged ()
void	initialStateChanged ()

类 QStateMachine :

void	runningChanged (bool running )

类 QByteArray :

QByteArray	fromStdString (const std::string & str )
std::string	toStdString () const

类 QCommandLineParser :

bool	addOptions (const QList<QCommandLineOption> & options )
void	showVersion ()

类 QRegularExpression :

void	optimize () const

类 QWeakPointer :

QSharedPointer<T>	lock () const
void	swap (QWeakPointer<T> & other )

类 QEnableSharedFromThis :

QSharedPointer<T>	sharedFromThis ()
QSharedPointer<const T>	sharedFromThis () const

类 QStringList :

QStringList &	operator<< (const QList<QString> & other )
QStringList &	operator= (const QList<QString> & other )
QStringList &	operator= (QList<QString> && other )

类 QString :

QVector<QStringRef>	splitRef (const QString & sep , SplitBehavior behavior = KeepEmptyParts, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
QVector<QStringRef>	splitRef (QChar sep , SplitBehavior behavior = KeepEmptyParts, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
QVector<QStringRef>	splitRef (const QRegExp & rx , SplitBehavior behavior = KeepEmptyParts) const
QVector<QStringRef>	splitRef (const QRegularExpression & re , SplitBehavior behavior = KeepEmptyParts) const

类 QStringRef :

const_iterator	begin () const
const_iterator	cbegin () const
const_iterator	cend () const
const_iterator	end () const
QVector<QStringRef>	split (const QString & sep , QString::SplitBehavior behavior = QString::KeepEmptyParts, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
QVector<QStringRef>	split (QChar sep , QString::SplitBehavior behavior = QString::KeepEmptyParts, Qt::CaseSensitivity cs = Qt::CaseSensitive) const

类 QVector :

int	removeAll (const T & t )
bool	removeOne (const T & t )

类 QImageReader :

QByteArray	subType () const
QList<QByteArray>	supportedSubTypes () const

类 QImageWriter :

void	setSubType (const QByteArray & type )
QByteArray	subType () const
QList<QByteArray>	supportedSubTypes () const

类 QGuiApplication :

void	paletteChanged (const QPalette & palette )
void	screenRemoved (QScreen * screen )

类 QOpenGLContext :

QVariant	nativeHandle () const
void	setNativeHandle (const QVariant & handle )

类 QPlatformDrag :

virtual bool

ownsDragObject () const

类 QPlatformWindow :

QPlatformScreen *

screenForGeometry (const QRect & newGeometry ) const

类 QSurfaceFormat :

QSurfaceFormat	defaultFormat ()
void	setDefaultFormat (const QSurfaceFormat & format )

类 QOpenGLTexture :

DepthStencilMode	depthStencilMode () const
void	setDepthStencilMode (DepthStencilMode mode )
Target	target () const

类 QSslCertificate :

bool	importPkcs12 (QIODevice * device , QSslKey * key , QSslCertificate * certificate , QList<QSslCertificate> * caCertificates = Q_NULLPTR, const QByteArray & passPhrase = QByteArray())
bool	isSelfSigned () const

类 QSslConfiguration :

QSsl::SslProtocol

sessionProtocol () const

类 QSslSocket :

QSsl::SslProtocol	sessionProtocol () const
long	sslLibraryBuildVersionNumber ()
QString	sslLibraryBuildVersionString ()

类 QPrinterInfo :

QPrinter::DuplexMode	defaultDuplexMode () const
QList<QPrinter::DuplexMode>	supportedDuplexModes () const

类 QGraphicsSceneMouseEvent :

Qt::MouseEventFlags	flags () const
Qt::MouseEventSource	source () const

类 QBluetoothDeviceInfo :

QBluetoothDeviceInfo::CoreConfigurations	coreConfigurations () const
void	setCoreConfigurations (QBluetoothDeviceInfo::CoreConfigurations coreConfigs )

类 QBluetoothTransferReply :

void	error (QBluetoothTransferReply::TransferError errorType )

类 QBluetoothUuid :

QString	characteristicToString (CharacteristicType uuid )
QString	descriptorToString (DescriptorType uuid )
QString	protocolToString (ProtocolUuid uuid )

类 QQuickWindow :

void	scheduleRenderJob (QRunnable * job , RenderStage stage )

类 QSGSimpleTextureNode :

bool	ownsTexture () const
void	setOwnsTexture (bool owns )

类 QAbstractVideoBuffer :

int	mapPlanes (MapMode mode , int * numBytes , int[4] bytesPerLine , uchar *[4] data )

类 QVideoFrame :

uchar *	bits (int plane )
const uchar *	bits (int plane ) const
int	bytesPerLine (int plane ) const
int	planeCount () const

类 QX11Info :

QByteArray	nextStartupId ()
void	setNextStartupId (const QByteArray & id )

类 QWinThumbnailToolBar :

void	iconicLivePreviewPixmapRequested ()
void	iconicThumbnailPixmapRequested ()

类 QXmlSchema :

QXmlSchema &

operator= (const QXmlSchema & other )

名称空间中的新函数

QFuture<T>

run (QThreadPool * pool , Function function , ... )

新全局函数

QString	qFormatLogMessage (QtMsgType type , const QMessageLogContext & context , const QString & str )
uint	qHash (const QSslError & key , uint seed = 0)
uint	qHash (const QSslCertificate & key , uint seed = 0)
uint	qHashBits (const void * p , size_t len , uint seed = 0)
quint64	qNextPowerOfTwo (qint64 value )
quint32	qNextPowerOfTwo (qint32 value )
quint64	qNextPowerOfTwo (quint64 value )
quint32	qNextPowerOfTwo (quint32 value )

新宏

	Q_LOGGING_CATEGORY ( name , string , msgType )
const char *	qUtf8Printable (const QString & str )

新枚举类型

enum	CoreConfiguration { UnknownCoreConfiguration, BaseRateCoreConfiguration, BaseRateAndLowEnergyCoreConfiguration, LowEnergyCoreConfiguration }
enum	CharacteristicType { AerobicHeartRateLowerLimit, AerobicHeartRateUpperLimit, AerobicThreshold, Age, ..., WindChill }
enum	DescriptorType { CharacteristicExtendedProperties, CharacteristicUserDescription, ClientCharacteristicConfiguration, ServerCharacteristicConfiguration, ..., UnknownDescriptorType }
enum	DepthStencilMode { DepthMode, StencilMode }
enum	RenderStage { BeforeSynchronizingStage, AfterSynchronizingStage, BeforeRenderingStage, AfterRenderingStage, AfterSwapStage, NoStage }
enum	UserInputResolutionOption { DefaultResolution, AssumeLocalFile }

新的 Typedef

typedef	QLowEnergyHandle
typedef	const_iterator

新特性

active : const bool minimumRenderSize : qreal running : bool autoHide : bool changeCurrentOnDrag : bool

tabBarAutoHide : bool iconicLivePreviewPixmap : QPixmap iconicPixmapNotificationsEnabled : bool iconicThumbnailPixmap : QPixmap

新 QML 类型

A

ApplicationWindowStyle

F

FinalState

FontMetrics

H

HistoryState

O

OpenGLInfo

Q

QAbstractState

QAbstractTransition

QSignalTransition

S

SignalTransition

State

StateMachine

T

TextMetrics

TimeoutTransition

W

WebChannel

新 QML 特性

	active
	activeFocusItem
	containsPress
	contentItem
	devicePixelRatio
	iconicLivePreviewSource
	iconicNotificationsEnabled
	iconicThumbnailSource
	ignored
	orientationUpdateMask
	passwordMaskDelay
	sidebarVisible
	visibility

新 QML 信号

	iconicLivePreviewRequested ()
	iconicThumbnailRequested ()

新 QML 方法

QtObject	findChild ( parent , objectName )
	ensureVisible (int position )

其它 Qt 5 发行的补充

• Qt 5.6 的新功能
• Qt 5.5 的新功能
• Qt 5.3 的新功能
• Qt 5.2 的新功能
• Qt 5.1 的新功能
• Qt 5.0 的新功能