Qt 5.3 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.3. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

新名称空间
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
新类型别名
新特性
新 QML 类型
新 QML 特性
新 QML 信号
新 QML 方法

新名称空间

namespace	QWebSocketProtocol
namespace	QtAndroid

新类

A: QAndroidActivityResultReceiver; QAtomicInteger

C: QCameraInfo; QCameraInfoControl

M: QMacToolBar; QMacToolBarItem; QMarginsF; QMaskGenerator; QMediaServiceCameraInfoInterface; QMediaServiceDefaultDeviceInterface

N: QNearFieldShareManager; QNearFieldShareTarget

P: QPageLayout; QPageSize

Q: QQuickWidget

S: QSignalBlocker

W: QWebSocket; QWebSocketCorsAuthenticator; QWebSocketServer

新成员函数

类 QBluetoothLocalDevice :

QList<QBluetoothAddress>	connectedDevices () const
void	deviceConnected (const QBluetoothAddress & address )
void	deviceDisconnected (const QBluetoothAddress & address )

类 QAtomicInteger :

T	fetchAndAndAcquire (T valueToAnd )
T	fetchAndAndOrdered (T valueToAnd )
T	fetchAndAndRelaxed (T valueToAnd )
T	fetchAndAndRelease (T valueToAnd )
T	fetchAndOrAcquire (T valueToOr )
T	fetchAndOrOrdered (T valueToOr )
T	fetchAndOrRelaxed (T valueToOr )
T	fetchAndOrRelease (T valueToOr )
T	fetchAndSubAcquire (T valueToSub )
T	fetchAndSubOrdered (T valueToSub )
T	fetchAndSubRelaxed (T valueToSub )
T	fetchAndSubRelease (T valueToSub )
T	fetchAndXorAcquire (T valueToXor )
T	fetchAndXorOrdered (T valueToXor )
T	fetchAndXorRelaxed (T valueToXor )
T	fetchAndXorRelease (T valueToXor )
T	operator T () const
T	operator&= (T value )
T	operator++ ()
T	operator++ ( int )
T	operator+= (T value )
T	operator-- ()
T	operator-- ( int )
T	operator-= (T value )
QAtomicInteger<T> &	operator= ( T )
T	operator^= (T value )
T	operator\|= (T value )

类 QByteArray :

QByteArray	fromCFData (CFDataRef data )
QByteArray	fromNSData (const NSData * data )
QByteArray	fromRawCFData (CFDataRef data )
QByteArray	fromRawNSData (const NSData * data )
QMargins	operator+ (const QMargins & lhs , int rhs )
QMargins	operator+ (int lhs , const QMargins & rhs )
QMargins	operator+ (const QMargins & margins )
QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
CFDataRef	toCFData () const
NSData *	toNSData () const
CFDataRef	toRawCFData () const
NSData *	toRawNSData () const

类 FromBase64Result :

uint	qHash (float key , uint seed )
uint	qHash (double key , uint seed )
uint	qHash (long double key , uint seed )

类 QChar :

QChar::JoiningType	joiningType () const
QChar::JoiningType	joiningType (uint ucs4 )

类 QCoreApplication :

bool	isSetuidAllowed ()
void	qRemovePostRoutine (QtCleanUpFunction ptr )
void	setSetuidAllowed (bool allow )

类 QDeadlineTimer :

QMargins	operator+ (const QMargins & lhs , int rhs )
QMargins	operator+ (int lhs , const QMargins & rhs )
QMargins	operator+ (const QMargins & margins )
QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QMargins	operator- (const QMargins & lhs , int rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )

类 QFlag :

uint	operator uint () const

类 QJsonArray :

QJsonArray	operator+ (const QJsonValue & value ) const
QJsonArray &	operator+= (const QJsonValue & value )
QJsonArray &	operator<< (const QJsonValue & value )

类 QMargins :

QMargins	operator+ (const QMargins & lhs , int rhs )
QMargins	operator+ (int lhs , const QMargins & rhs )
QMargins	operator+ (const QMargins & margins )
QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QMargins	operator- (const QMargins & lhs , int rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )

类 QMarginsF :

QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )

类 QMessageLogger :

void	critical (const QLoggingCategory & cat , const char * msg , ... ) const
void	critical (QMessageLogger::CategoryFunction catFunc , const char * msg , ... ) const
QDebug	critical (const QLoggingCategory & cat ) const
QDebug	critical (QMessageLogger::CategoryFunction catFunc ) const
void	debug (const QLoggingCategory & cat , const char * msg , ... ) const
void	debug (QMessageLogger::CategoryFunction catFunc , const char * msg , ... ) const
QDebug	debug (const QLoggingCategory & cat ) const
QDebug	debug (QMessageLogger::CategoryFunction catFunc ) const
void	warning (const QLoggingCategory & cat , const char * msg , ... ) const
void	warning (QMessageLogger::CategoryFunction catFunc , const char * msg , ... ) const
QDebug	warning (QMessageLogger::CategoryFunction catFunc ) const

类 QPoint :

QMargins	operator+ (const QMargins & lhs , int rhs )
QMargins	operator+ (int lhs , const QMargins & rhs )
QMargins	operator+ (const QMargins & margins )
QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QMargins	operator- (const QMargins & lhs , int rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )

类 QPointF :

QMargins	operator+ (const QMargins & lhs , int rhs )
QMargins	operator+ (int lhs , const QMargins & rhs )
QMargins	operator+ (const QMargins & margins )
QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QMargins	operator- (const QMargins & lhs , int rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )

类 QProcess :

qint64

processId () const

类 QRectF :

QRectF	marginsAdded (const QMarginsF & margins ) const
QRectF	marginsRemoved (const QMarginsF & margins ) const
QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QRectF &	operator+= (const QMarginsF & margins )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )
QRectF &	operator-= (const QMarginsF & margins )

类 QRect :

QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )

类 QSharedPointer :

void	swap (QSharedPointer<T> & other )

类 QSize :

QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )

类 QSizeF :

QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )

类 QString :

bool	contains (QLatin1String str , Qt::CaseSensitivity cs ) const
QString	fromUcs4 (const char32_t * str , int size )
QString	fromUtf16 (const char16_t * str , int size )
QMargins	operator+ (const QMargins & lhs , int rhs )
QMargins	operator+ (int lhs , const QMargins & rhs )
QMargins	operator+ (const QMargins & margins )
QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )

类 QVarLengthArray :

bool	contains (const T & value ) const
int	indexOf (const T & value , int from ) const
int	lastIndexOf (const T & value , int from ) const

类 QDBusServer :

bool	isAnonymousAuthenticationAllowed () const
void	setAnonymousAuthenticationAllowed (bool value )

类 QColor :

QRgb	qPremultiply (QRgb rgb )
QRgb	qUnpremultiply (QRgb rgb )

类 QFont :

uint	qHash (const QFont & font , uint seed )

类 QMouseEvent :

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

类 QOpenGLContext :

bool	isOpenGLES () const
void *	openGLModuleHandle ()
QOpenGLContext::OpenGLModuleType	openGLModuleType ()

类 QOpenGLFramebufferObject :

GLuint

takeTexture ()

类 QOpenGLFunctions :

void	glBindTexture (GLenum target , GLuint texture )
void	glBlendFunc (GLenum sfactor , GLenum dfactor )
void	glClear (GLbitfield mask )
void	glClearColor (GLclampf red , GLclampf green , GLclampf blue , GLclampf alpha )
void	glClearStencil (GLint s )
void	glColorMask (GLboolean red , GLboolean green , GLboolean blue , GLboolean alpha )
void	glCopyTexImage2D (GLenum target , GLint level , GLenum internalformat , GLint x , GLint y , GLsizei width , GLsizei height , GLint border )
void	glCopyTexSubImage2D (GLenum target , GLint level , GLint xoffset , GLint yoffset , GLint x , GLint y , GLsizei width , GLsizei height )
void	glCullFace (GLenum mode )
void	glDeleteTextures (GLsizei n , const GLuint * textures )
void	glDepthFunc (GLenum func )
void	glDepthMask (GLboolean flag )
void	glDisable (GLenum cap )
void	glDrawArrays (GLenum mode , GLint first , GLsizei count )
void	glDrawElements (GLenum mode , GLsizei count , GLenum type , const GLvoid * indices )
void	glEnable (GLenum cap )
void	glFinish ()
void	glFlush ()
void	glFrontFace (GLenum mode )
void	glGenTextures (GLsizei n , GLuint * textures )
void	glGetBooleanv (GLenum pname , GLboolean * params )
GLenum	glGetError ()
void	glGetFloatv (GLenum pname , GLfloat * params )
void	glGetIntegerv (GLenum pname , GLint * params )
const GLubyte *	glGetString (GLenum name )
void	glGetTexParameterfv (GLenum target , GLenum pname , GLfloat * params )
void	glGetTexParameteriv (GLenum target , GLenum pname , GLint * params )
void	glHint (GLenum target , GLenum mode )
GLboolean	glIsEnabled (GLenum cap )
GLboolean	glIsTexture (GLuint texture )
void	glLineWidth (GLfloat width )
void	glPixelStorei (GLenum pname , GLint param )
void	glPolygonOffset (GLfloat factor , GLfloat units )
void	glReadPixels (GLint x , GLint y , GLsizei width , GLsizei height , GLenum format , GLenum type , GLvoid * pixels )
void	glScissor (GLint x , GLint y , GLsizei width , GLsizei height )
void	glStencilFunc (GLenum func , GLint ref , GLuint mask )
void	glStencilMask (GLuint mask )
void	glStencilOp (GLenum fail , GLenum zfail , GLenum zpass )
void	glTexImage2D (GLenum target , GLint level , GLint internalformat , GLsizei width , GLsizei height , GLint border , GLenum format , GLenum type , const GLvoid * pixels )
void	glTexParameterf (GLenum target , GLenum pname , GLfloat param )
void	glTexParameterfv (GLenum target , GLenum pname , const GLfloat * params )
void	glTexParameteri (GLenum target , GLenum pname , GLint param )
void	glTexParameteriv (GLenum target , GLenum pname , const GLint * params )
void	glTexSubImage2D (GLenum target , GLint level , GLint xoffset , GLint yoffset , GLsizei width , GLsizei height , GLenum format , GLenum type , const GLvoid * pixels )
void	glViewport (GLint x , GLint y , GLsizei width , GLsizei height )

类 QOpenGLShaderProgram :

bool	create ()

类 QOpenGLTexture :

void	setCompressedData (int mipLevel , int layer , QOpenGLTexture::CubeMapFace cubeFace , int dataSize , const void * data , const QOpenGLPixelTransferOptions const options* )
void	setData (int mipLevel , int layer , QOpenGLTexture::CubeMapFace cubeFace , QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )
void	setData (int mipLevel , int layer , QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )
void	setData (int mipLevel , QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )
void	setData (QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )

类 QPagedPaintDevice :

QPageLayout	pageLayout () const
bool	setPageLayout (const QPageLayout & newPageLayout )
bool	setPageMargins (const QMarginsF & margins )
bool	setPageMargins (const QMarginsF & margins , QPageLayout::Unit units )
bool	setPageOrientation (QPageLayout::Orientation orientation )
bool	setPageSize (const QPageSize & pageSize )

类 QPdfWriter :

QPageLayout	pageLayout () const
int	resolution () const
bool	setPageLayout (const QPageLayout & newPageLayout )
bool	setPageMargins (const QMarginsF & margins )
bool	setPageMargins (const QMarginsF & margins , QPageLayout::Unit units )
bool	setPageOrientation (QPageLayout::Orientation orientation )
bool	setPageSize (const QPageSize & pageSize )
void	setResolution (int resolution )

类 QPixmap :

QPixmap

fromImage (QImage && image , Qt::ImageConversionFlags flags )

类 QPlatformIntegration :

virtual QOpenGLContext::OpenGLModuleType

openGLModuleType ()

类 QPlatformSystemTrayIcon :

virtual QPlatformMenu *

createMenu () const

类 QPlatformTheme :

virtual QString

standardButtonText (int button ) const

类 QPlatformWindow :

virtual QRect

normalGeometry () const

类 QPointingDeviceUniqueId :

uint	qHash (const QFont & font , uint seed )

类 QRhiVertexInputBinding :

uint	qHash (const QFont & font , uint seed )

类 QShaderKey :

uint	qHash (const QFont & font , uint seed )

类 QSurface :

bool	supportsOpenGL () const

类 QSurfaceFormat :

QSurfaceFormat::FormatOptions	options () const
void	setOption (QSurfaceFormat::FormatOption option , bool on )
void	setOptions (QSurfaceFormat::FormatOptions options )
void	setSwapInterval (int interval )
int	swapInterval () const
bool	testOption (QSurfaceFormat::FormatOption option ) const

类 QTextBlock :

QVector<QTextLayout::FormatRange>

textFormats () const

类 QTextCharFormat :

void	setFont (const QFont & font , QTextCharFormat::FontPropertiesInheritanceBehavior behavior )

类 QTextFormat :

bool	isEmpty () const

类 QMediaServiceProviderHint :

QCamera::Position

cameraPosition () const

类 QSslConfiguration :

QList<QByteArray>	allowedNextProtocols () const
QByteArray	nextNegotiatedProtocol () const
QSslConfiguration::NextProtocolNegotiationStatus	nextProtocolNegotiationStatus () const
void	setAllowedNextProtocols (QList<QByteArray> protocols )

类 QNmeaPositionInfoSource :

void	setUserEquivalentRangeError (double uere )
double	userEquivalentRangeError () const

类 QPrinterInfo :

QStringList	availablePrinterNames ()
QPageSize	defaultPageSize () const
QString	defaultPrinterName ()
bool	isRemote () const
QPageSize	maximumPhysicalPageSize () const
QPageSize	minimumPhysicalPageSize () const
QPrinter::PrinterState	state () const
QList<QPageSize>	supportedPageSizes () const
QList<int>	supportedResolutions () const
bool	supportsCustomPageSizes () const

类 QPrinter :

QPageLayout	pageLayout () const
bool	setPageLayout (const QPageLayout & newLayout )
bool	setPageMargins (const QMarginsF & margins , QPageLayout::Unit units )
bool	setPageOrientation (QPageLayout::Orientation orientation )
bool	setPageSize (const QPageSize & pageSize )

类 QQuickWindow :

void	afterAnimating ()
void	afterSynchronizing ()
void	openglContextCreated (QOpenGLContext * context )
void	sceneGraphAboutToStop ()
void	sceneGraphError (QQuickWindow::SceneGraphError error , const QString & message )

类 QSerialPortInfo :

QString

serialNumber () const

类 QPlainTextEdit :

bool	find (const QRegExp & exp , QTextDocument::FindFlags options )

类 QTextEdit :

bool	find (const QRegExp & exp , QTextDocument::FindFlags options )

名称空间中的新函数

QAndroidJniObject	androidActivity ()
int	androidSdkVersion ()
void	ignoreMessage (QtMsgType type , const QRegularExpression & messagePattern )
void	startActivity (const QAndroidJniObject & intent , int receiverRequestCode , QAndroidActivityResultReceiver * resultReceiver )
void	startIntentSender (const QAndroidJniObject & intentSender , int receiverRequestCode , QAndroidActivityResultReceiver * resultReceiver )

新全局函数

QRectF	operator+ (const QMarginsF & lhs , const QRectF & rhs )
QRectF	operator+ (const QRectF & lhs , const QMarginsF & rhs )
QMargins	operator+ (const QMargins & margins )
QMargins	operator+ (int lhs , const QMargins & rhs )
QMargins	operator+ (const QMargins & lhs , int rhs )
QRectF	operator- (const QRectF & lhs , const QMarginsF & rhs )
QRect	operator- (const QRect & lhs , const QMargins & rhs )
QMargins	operator- (const QMargins & lhs , int rhs )
uint	qHash (const QFont & font , uint seed )
uint	qHash (long double key , uint seed )
uint	qHash (double key , uint seed )
uint	qHash (float key , uint seed )
QRgb	qPremultiply (QRgb rgb )
void	qRemovePostRoutine (QtCleanUpFunction ptr )
QRgb	qUnpremultiply (QRgb rgb )

新宏

	QVERIFY_EXCEPTION_THROWN ( 表达式 , exceptiontype )
	QVERIFY_EXCEPTION_THROWN ( 表达式 , exceptiontype )
	qCCritical ( category , const char * message , ... )
	qCCritical ( category , const char * message , ... )
	qCDebug ( category , const char * message , ... )
	qCDebug ( category , const char * message , ... )
	qCWarning ( category , const char * message , ... )
	qCWarning ( category , const char * message , ... )

新枚举类型

enum	Position { UnspecifiedPosition, BackFace, FrontFace }
enum	OpenGLModuleType { LibGL, LibGLES }
enum	SceneGraphError { ContextNotAvailable }
enum	FontPropertiesInheritanceBehavior { FontPropertiesSpecifiedOnly, FontPropertiesAll }
enum	MouseEventFlag { MouseEventCreatedDoubleClick, MouseEventFlagMask }
enum	MouseEventSource { MouseEventNotSynthesized, MouseEventSynthesizedBySystem, MouseEventSynthesizedByQt, MouseEventSynthesizedByApplication }