Qt 5.1 的新功能
Qt 5.1 introduces many changes for helping developers continue creating wonderful applications, easily and with less code. As well in this release, focus is placed on bug fixing and new features, while maintaining compatibility with Qt 5.0.
This page is a summary of new features. For specific API changes, the
API 变化列表
section contains links to new and obsolete classes.
新模块
New modules add more functionality for developers to use on various platforms.
-
Qt Quick Controls
- a set of reusable UI controls. Qt 5.1 targets desktop platforms, while future releases will include more features useful on touch devices.
-
Qt Quick Layouts
- provides layouts for
Qt Quick
-
Qt Quick Dialogs
- 包含用于采用系统对话框创建和交互的类型
-
Qt X11 Extras
- adds platform specific APIs for X11
-
Qt Sensors
- provides access to sensor hardware and motion gesture recognition both via QML and C++ interfaces. Supports
Android
, BlackBerry,
iOS
, and Mer platforms.
-
Qt Serial Port
- provides an interface for hardware and virtual serial ports
所有模块
page contains a list of all modules in Qt 5.1.
Qt 5.1 introduces support for following new platforms with technology preview status:
变化摘要
moc 变化
-
New keyword in
Q_PROPERTY
(),
MEMBER
, lets you bind a property to a class member without requiring to have a getter or a setter.
qmake 变化
-
On Windows: Added support for specifying application icon (via
RC_ICONS
).
Qt Core 变化
-
Added support for SHA3 to
QCryptographicHash
-
Added toInt(), toUInt(), and similar functions to
QStringRef
-
A new threadsafe initialization of global statics through refactored
Q_GLOBAL_STATIC
.
-
A new class,
QLockFile
, provides locking between processes using a file. This lock enables applications to check that there is only one instance of it running.
-
A new class,
QSaveFile
, provides transaction such as file writing.
Qt GUI 变化
-
Support for embedding and reparenting of windows created from other processes, via
QWindow::fromWinId
().
-
QWidget::createWindowContainer
() adds the capability to embed
QWindow
实例,譬如
QQuickView
或
QWindow
使用
QOpenGLContext
, into a
QWidget
hierarchy.
-
Support for kerning advances in
QRawFont::advancesForGlyphIndexes
.
-
QImageReader
and
QImageWriter
adds the ability to report supported MimeTypes.
-
New input method plugin, QComposeInputContext.
-
New GTK+ 2.x platformtheme plugin that provides native file, font, and color dialogs.
-
New class,
QOpenGLContext::versionFunctions
(), provides access to all OpenGL functions.
-
New
QOpenGLTimerQuery
and
QOpenGLTimeMonitor
类。
-
New
QOpenGLDebugLogger
class expose KHR_debug extension for easy debugging.
-
Added support for Geometry, Tessellation Control, Tessellation Evaluation, and Compute shaders to
QOpenGLShader
and
QOpenGLShaderProgram
.
-
New
QOpenGLVertexArrayObject
类。
Qt Network 变化
-
New encrypted() signal to
QNetworkAccessManager
and
QNetworkReply
so that applications can perform additional checks on the certificate chain.
-
Support for sending intermediate certificates when
QSslSocket
is used as a server and when using client certificates.
-
Support for SSL session reuse allowing much faster connections to servers.
Qt QML 变化
Qt Quick 变化
-
New threaded render loop for Mac, Linux, and Embedded.
-
New render loop for windows for smoother animations.
-
New
Qt Quick Dialogs
submodule with
FileDialog
and
ColorDialog
类型。
-
New
Window
properties: activeFocusItem, minimumWidth, minimumHeight, maximumWidth, maximumHeight, visibility, contentOrientation, and opacity.
-
New
Item
property: activeFocusOnTab.
-
New
Grid
properties: horizontalAlignment, verticalAlignment, and effectiveHorizontalAlignment.
-
New
TextEdit
properties: selectByKeyboard and textDocument
-
A
Window
declared inside another Window or
Item
will automatically be transient for (centered upon) the outer window.
Qt WebKit 变化
-
JavaScript JIT on Windows 64 bit.
-
Improved font rendering, kerning enabled by default.
-
Improved garbage collection.
-
支持 WOFF 字体。
-
Support for WebGL without accelerated compositing.
-
支持 GStreamer 1.0。
-
Improved perceived page load performance and support for Link prefetch.
-
Added property toolTipsVisible in
QMenu
.
Qt Creator 兼容性
Qt Creator
2.7 complements this Qt release with the most prominent new features:
其它新特征
API 变化列表
以下页面包含 Qt 5.1 中的 API 变化列表
其它 Qt 5 发行的补充