Qt 5.2 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.2. 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
新特性
新 QML 类型
新 QML 特性
新 QML 信号
新 QML 方法

新名称空间

namespace	QBluetooth
namespace	QtMac

新类

A: Alternative ( QBluetoothServiceInfo ); QAndroidJniEnvironment; QAndroidJniObject; QAssociativeIterable

B: QBluetoothAddress; QBluetoothDeviceDiscoveryAgent; QBluetoothDeviceInfo; QBluetoothHostInfo; QBluetoothLocalDevice; QBluetoothServer; QBluetoothServiceDiscoveryAgent; QBluetoothServiceInfo; QBluetoothSocket; QBluetoothTransferManager; QBluetoothTransferReply; QBluetoothTransferRequest; QBluetoothUuid

C: const_iterator ( QSequentialIterable ); const_iterator ( QAssociativeIterable ); QCollator; QCollatorSortKey; QCommandLineOption; QCommandLineParser

F: QFileSelector

G: QGeoAddress; QGeoAreaMonitorInfo; QGeoAreaMonitorSource; QGeoCircle; QGeoCoordinate; QGeoLocation; QGeoPositionInfo; QGeoPositionInfoSource; QGeoPositionInfoSourceFactory; QGeoRectangle; QGeoSatelliteInfo; QGeoSatelliteInfoSource; QGeoShape

K: QKeySequenceEdit

L: QLoggingCategory

M: QMacPasteboardMime

N: QNativeGestureEvent; QNdefFilter; QNdefNfcTextRecord; QNdefNfcUriRecord; QNdefRecord; QNearFieldManager; QNearFieldTarget; QNmeaPositionInfoSource

O: QOpenGLTexture

Q: QQmlFileSelector; QQmlNdefRecord; QQuickFramebufferObject

R: Renderer ( QQuickFramebufferObject )

S: QSequentialIterable; QStaticPlugin; Sequence ( QBluetoothServiceInfo )

T: QTimeZone

W: QWinJumpList; QWinJumpListCategory; QWinJumpListItem; QWinTaskbarButton; QWinTaskbarProgress; QWinThumbnailToolBar; QWinThumbnailToolButton

新成员函数

类 QBitArray :

QBitArray &

operator= (QBitArray && other )

类 QByteArray :

QByteArray	fromBase64 (const QByteArray & base64 , QByteArray::Base64Options options )
QByteArray &	operator= (QByteArray && other )
QByteArray	toBase64 (QByteArray::Base64Options options ) const

类 QCommandLineOption :

QCommandLineOption &

operator= (QCommandLineOption && other )

类 QContiguousCache :

QContiguousCache<T> &

operator= (QContiguousCache<T> && other )

类 QDateTime :

QDateTime	fromMSecsSinceEpoch (qint64 msecs , Qt::TimeSpec spec , int offsetSeconds )
QDateTime	fromMSecsSinceEpoch (qint64 msecs , const QTimeZone & timeZone )
bool	isDaylightTime () const
int	offsetFromUtc () const
void	setOffsetFromUtc (int offsetSeconds )
void	setTimeZone (const QTimeZone & toZone )
QTimeZone	timeZone () const
QString	timeZoneAbbreviation () const
QDateTime	toOffsetFromUtc (int offsetSeconds ) const
QDateTime	toTimeZone (const QTimeZone & timeZone ) const

类 QDir :

QDir &

operator= (QDir && other )

类 QEasingCurve :

QEasingCurve &

operator= (QEasingCurve && other )

类 QExplicitlySharedDataPointer :

QExplicitlySharedDataPointer<T> &

operator= (QExplicitlySharedDataPointer<T> && other )

类 QFileInfo :

bool	exists (const QString & file )
QFileInfo &	operator= (QFileInfo && other )

类 QHash :

QHash<K, V> &

operator= (QHash<K, V> && other )

类 QJsonValue :

int	toInt (int defaultValue ) const

类 QLinkedList :

QLinkedList<T> &

operator= (QLinkedList<T> && other )

类 QList :

QList<T> &

operator= (QList<T> && other )

类 QMap :

T &	first ()
const T &	first () const
const Key &	firstKey () const
T &	last ()
const T &	last () const
const Key &	lastKey () const
QMap<Key, T> &	operator= (QMap<Key, T> && other )

类 QMetaType :

bool	compare (const void * lhs , const void * rhs , int typeId , int * result )
bool	convert (const void * from , int fromTypeId , void * to , int toTypeId )
bool	debugStream (QDebug & dbg , const void * rhs , int typeId )
bool	hasRegisteredComparators ()
bool	hasRegisteredComparators (int typeId )
bool	hasRegisteredConverterFunction (int fromTypeId , int toTypeId )
bool	hasRegisteredConverterFunction ()
bool	hasRegisteredDebugStreamOperator ()
bool	hasRegisteredDebugStreamOperator (int typeId )
bool	registerComparators ()
bool	registerConverter ()
bool	registerConverter (MemberFunction function )
bool	registerConverter (MemberFunctionOk function )
bool	registerConverter (UnaryFunction function )

类 QMimeType :

QMimeType &

operator= (QMimeType && other )

类 QObject :

QMetaObject::Connection

connect (const QObject * sender , PointerToMemberFunction signal , const QObject * context , Functor functor , Qt::ConnectionType type )

类 QPair :

QPair<T1, T2> &	operator= (const QPair<TT1, TT2> & p )
QPair<T1, T2> &	operator= (QPair<TT1, TT2> && p )

类 QPersistentModelIndex :

QPersistentModelIndex &

operator= (QPersistentModelIndex && other )

类 QProcess :

QProcess::InputChannelMode	inputChannelMode () const
QString	nullDevice ()
void	setInputChannelMode (QProcess::InputChannelMode mode )

类 QRegExp :

QRegExp &

operator= (QRegExp && other )

类 QSharedDataPointer :

QSharedDataPointer<T> &

operator= (QSharedDataPointer<T> && other )

类 QString :

QString	fromCFString (CFStringRef string )
QString	fromNSString (const NSString * string )
QString &	operator= (QString && other )
CFStringRef	toCFString () const
NSString *	toNSString () const

类 QStringRef :

QStringRef	left (int n ) const
QStringRef	mid (int position , int n ) const
QStringRef	right (int n ) const

类 QThread :

bool	isInterruptionRequested () const
void	requestInterruption ()

类 QThreadPool :

void	clear ()

类 QUrl :

QUrl	adjusted (QUrl::FormattingOptions options ) const
QString	fileName (QUrl::ComponentFormattingOptions options ) const
QUrl	fromCFURL (CFURLRef url )
QUrl	fromNSURL (const NSURL * url )
bool	匹配 (const QUrl & url , QUrl::FormattingOptions options ) const
QUrl &	operator= (QUrl && other )
CFURLRef	toCFURL () const
NSURL *	toNSURL () const

类 QUrlQuery :

QUrlQuery &

operator= (QUrlQuery && other )

类 QVariant :

QVariant &

operator= (QVariant && other )

类 QVector :

int	length () const
QVector<T> &	operator= (QVector<T> && other )
void	removeAt (int i )
T	takeAt (int i )

类 QAbstractTextDocumentLayout :

void	unregisterHandler (int objectType , QObject * component )

类 QBrush :

QBrush &

operator= (QBrush && other )

类 QColor :

QString

name (QColor::NameFormat format ) const

类 QCursor :

QCursor &

operator= (QCursor && other )

类 QFont :

QFont &

operator= (QFont && other )

类 QFontDatabase :

QFont

systemFont (QFontDatabase::SystemFont type )

类 QFontMetrics :

QFontMetrics &

operator= (QFontMetrics && other )

类 QGuiApplication :

Qt::ApplicationState	applicationState ()
void	applicationStateChanged (Qt::ApplicationState state )
void	sync ()

类 QIcon :

QIcon &

operator= (QIcon && other )

类 QImage :

QImage &

operator= (QImage && other )

类 QKeySequence :

QKeySequence &

operator= (QKeySequence && other )

类 QNativeGestureEvent :

Qt::NativeGestureType	gestureType () const
const QPoint	globalPos () const
const QPointF &	localPos () const
const QPoint	pos () const
const QPointF &	screenPos () const
qreal	value () const
const QPointF &	windowPos () const

类 QPainterPath :

QPainterPath &

operator= (QPainterPath && other )

类 QPalette :

QPalette &

operator= (QPalette && other )

类 QPen :

QPen &

operator= (QPen && other )

类 QPicture :

QPicture &

operator= (QPicture && other )

类 QPixmap :

QPixmap &

operator= (QPixmap && other )

类 QPlatformFontDatabase :

void	registerAliasToFontFamily (const QString & familyName , const QString & alias )

类 QPlatformIntegration :

virtual QPlatformSessionManager *	createPlatformSessionManager (const QString & id , const QString & key ) const
virtual void	sync ()

类 QPlatformTheme :

virtual QList<QKeySequence>

keyBindings (QKeySequence::StandardKey key ) const

类 QRegion :

QRegion &

operator= (QRegion && other )

类 QTouchDevice :

int	maximumTouchPoints () const

类 QVector2D :

float &	operator[] (int i )
float	operator[] (int i ) const

类 QVector4D :

float &	operator[] (int i )
float	operator[] (int i ) const

类 QVector3D :

float &	operator[] (int i )
float	operator[] (int i ) const

类 QWheelEvent :

Qt::ScrollPhase

phase () const

类 QNetworkAccessManager :

void	connectToHost (const QString & hostName , quint16 port )
void	connectToHostEncrypted (const QString & hostName , quint16 port , const QSslConfiguration & sslConfiguration )
QStringList	supportedSchemes () const
QStringList	supportedSchemesImplementation () const

类 QNetworkConfiguration :

QNetworkConfiguration::BearerType

bearerTypeFamily () const

类 QSslConfiguration :

QByteArray	sessionTicket () const
int	sessionTicketLifeTimeHint () const
void	setSessionTicket (const QByteArray & sessionTicket )

类 QQuickWindow :

void	resetOpenGLState ()

类 QPressureReading :

void	setTemperature (qreal temperature )

类 QSerialPort :

QSerialPort::Handle

handle () const

类 QAbstractItemView :

virtual QSize

viewportSizeHint () const override

类 QAbstractScrollArea :

virtual QSize

viewportSizeHint () const

类 QButtonGroup :

void	buttonToggled (QAbstractButton * button , bool checked )

类 QFileDialog :

void	currentUrlChanged (const QUrl & url )
QUrl	directoryUrl () const
void	directoryUrlEntered (const QUrl & directory )
QUrl	getExistingDirectoryUrl (QWidget * parent , const QString & caption , const QUrl & dir , QFileDialog::Options options , const QStringList & supportedSchemes )
QUrl	getOpenFileUrl (QWidget * parent , const QString & caption , const QUrl & dir , const QString & filter , QString * selectedFilter , QFileDialog::Options options , const QStringList & supportedSchemes )
QList<QUrl>	getOpenFileUrls (QWidget * parent , const QString & caption , const QUrl & dir , const QString & filter , QString * selectedFilter , QFileDialog::Options options , const QStringList & supportedSchemes )
QUrl	getSaveFileUrl (QWidget * parent , const QString & caption , const QUrl & dir , const QString & filter , QString * selectedFilter , QFileDialog::Options options , const QStringList & supportedSchemes )
QStringList	mimeTypeFilters () const
void	selectMimeTypeFilter (const QString & filter )
void	selectUrl (const QUrl & url )
QList<QUrl>	selectedUrls () const
void	setDirectoryUrl (const QUrl & directory )
void	setMimeTypeFilters (const QStringList & filters )
void	urlSelected (const QUrl & url )
void	urlsSelected (const QList<QUrl> & urls )

类 QFileIconProvider :

QFileIconProvider::Options	options () const
void	setOptions (QFileIconProvider::Options options )

类 QHeaderView :

int	resizeContentsPrecision () const
void	setResizeContentsPrecision (int precision )

类 QInputDialog :

QString

getMultiLineText (QWidget * parent , const QString & title , const QString & label , const QString & text , bool * ok , Qt::WindowFlags flags , Qt::InputMethodHints inputMethodHints )

类 QLayout :

QLayoutItem *

replaceWidget (QWidget * from , QWidget * to , Qt::FindChildOptions options )

类 QLineEdit :

void	addAction (QAction * action , QLineEdit::ActionPosition position )
QAction *	addAction (const QIcon & icon , QLineEdit::ActionPosition position )

类 QListView :

virtual QSize

viewportSizeHint () const override

类 QMainWindow :

QWidget *

takeCentralWidget ()

类 QMenu :

void	setAsDockMenu ()
NSMenu *	toNSMenu ()

类 QMenuBar :

NSMenu *

toNSMenu ()

类 QMessageBox :

QCheckBox *	checkBox () const
void	setCheckBox (QCheckBox * cb )

类 QSizePolicy :

bool	retainSizeWhenHidden () const
void	setRetainSizeWhenHidden (bool retainSize )

类 QSplashScreen :

QString

message () const

类 QTabBar :

void	tabBarClicked (int index )
void	tabBarDoubleClicked (int index )

类 QTabWidget :

void	tabBarClicked (int index )
void	tabBarDoubleClicked (int index )

类 QToolTip :

void	showText (const QPoint & pos , const QString & text , QWidget * w , const QRect & rect , int msecDisplayTime )

类 QTreeView :

void	setTreePosition (int index )
int	treePosition () const

类 QWidget :

void	windowIconChanged (const QIcon & icon )
void	windowTitleChanged (const QString & title )

类 QX11Info :

unsigned long	getTimestamp ()
bool	isPlatformX11 ()

名称空间中的新函数

void	setWindowFlip3DPolicy (QWidget * window , QtWin::WindowFlip3DPolicy policy )

新全局函数

quint64	qFloatDistance (double a , double b )
quint32	qFloatDistance (float a , float b )
quint64	qFloatDistance (double a , double b )
quint32	qFloatDistance (float a , float b )
uint	qPopulationCount (quint64 v )
uint	qPopulationCount (quint16 v )
uint	qPopulationCount (quint32 v )
uint	qPopulationCount (quint8 v )
uint	qPopulationCount (quint64 v )
uint	qPopulationCount (quint16 v )
uint	qPopulationCount (quint32 v )
uint	qPopulationCount (quint8 v )

新宏

	Q_DECLARE_LOGGING_CATEGORY ( name )
	Q_DECLARE_LOGGING_CATEGORY ( name )
	Q_FORWARD_DECLARE_CF_TYPE ( type )
	Q_FORWARD_DECLARE_CF_TYPE ( type )
	Q_FORWARD_DECLARE_MUTABLE_CF_TYPE ( type )
	Q_FORWARD_DECLARE_MUTABLE_CF_TYPE ( type )
	Q_FORWARD_DECLARE_OBJC_CLASS ( classname )
	Q_FORWARD_DECLARE_OBJC_CLASS ( classname )
	Q_LOGGING_CATEGORY ( name , string )
	Q_LOGGING_CATEGORY ( name , string )
	qCCritical ( category )
	qCCritical ( category )
	qCDebug ( category )
	qCDebug ( category )
	qCWarning ( category )
	qCWarning ( category )

新枚举类型

enum	SizeAdjustPolicy { AdjustIgnored, AdjustToContentsOnFirstShow, AdjustToContents }
enum	Base64Option { Base64Encoding, Base64UrlEncoding, KeepTrailingEquals, OmitTrailingEquals, IgnoreBase64DecodingErrors, AbortOnBase64DecodingErrors }
enum	Option { DontUseCustomDirectoryIcons }
enum	SystemFont { GeneralFont, FixedFont, TitleFont, SmallestReadableFont }
enum	ActionPosition { LeadingPosition, TrailingPosition }
enum	InputChannelMode { ManagedInputChannel, ForwardedInputChannel }
enum	NativeGestureType { BeginNativeGesture, EndNativeGesture, PanNativeGesture, ZoomNativeGesture, SmartZoomNativeGesture, …, SwipeNativeGesture }
enum	ScrollPhase { NoScrollPhase, ScrollBegin, ScrollUpdate, ScrollEnd, ScrollMomentum }
enum	HBitmapFormat { HBitmapNoAlpha, HBitmapPremultipliedAlpha, HBitmapAlpha }
enum	WindowFlip3DPolicy { FlipDefault, FlipExcludeBelow, FlipExcludeAbove }

新特性

sizeAdjustPolicy : const
currentData : const
filterMode : const
maximumSectionSize : const
clearButtonEnabled : const
unifiedTitleAndToolBarOnMac : const

temperature : const
nativeOrientation : const
displayIntegerBase : const
placeholderText : const
toolTipDuration : const

新 QML 类型

A: 地址; Animator

B: BluetoothDiscoveryModel; BluetoothService; BluetoothSocket; BusyIndicator; BusyIndicatorStyle

F: FontDialog

L: 定位

M: MessageDialog

N: NdefFilter; NdefMimeRecord; NdefTextRecord; NdefUriRecord; NearField

O: OpacityAnimator

P: Position; PositionSource

Q: QtPositioning

R: RotationAnimator

S: ScaleAnimator; SpinBoxStyle; StatusBarStyle; Switch; SwitchStyle

T: TextAreaStyle; ToolBarStyle

U: UniformAnimator

X: XAnimator

Y: YAnimator

新 QML 特性

	autoOrientation
	colorData
	dragType
	formats
	hasColor
	hasHtml
	hasText
	hasUrls
	hoveredLink
	hoveredLink
	html
	mimeData
	pixelDensity
	proposedAction
	showFiles
	showHidden
	text
	urls

新 QML 信号

	editingFinished ()
	linkHovered ()
	linkHovered ()

新 QML 方法

	acceptProposedAction ()
	append ()
	getDataAsString ()
	匹配 ()

其它 Qt 5 发行的补充

内容

其它 Qt 5 发行的补充