| Qt 4.8 introduces many new features and improvements as well as bugfixes |
| over the 4.7.x series. For more details, refer to the online documentation |
| included in this distribution. The documentation is also available online: |
| |
| http://qt.nokia.com/doc/4.8 |
| |
| The Qt version 4.8 series is binary compatible with the 4.7.x series. |
| Applications compiled for 4.7 will continue to run with 4.8. |
| |
| Some of the changes listed in this file include issue tracking numbers |
| corresponding to tasks in the Qt Bug Tracker: |
| |
| http://bugreports.qt.nokia.com/ |
| |
| Each of these identifiers can be entered in the bug tracker to obtain more |
| information about a particular change. |
| |
| **************************************************************************** |
| * General * |
| **************************************************************************** |
| |
| General Improvements |
| -------------------- |
| |
| - |
| |
| Third party components |
| ---------------------- |
| |
| - Updated libpng to version x.y.z |
| |
| |
| **************************************************************************** |
| * Library * |
| **************************************************************************** |
| |
| QtCore |
| ------ |
| - Removed support for QT_NO_THREAD define for QHostInfo. |
| - Optimized plugin loading on ELF platforms. |
| Print failure reason at runtime with QT_DEBUG_PLUGINS=1 in environment. |
| - QMutexLocker: improved performence of the non contended case by inlining some function |
| - QThreadStorage: Added possibility to store object by value instead of by pointer [QTBUG-15033] |
| - QThread: fixed few race conditions [QTBUG-17257, QTBUG-15030] |
| - QtConcurrent: added support for c++0x lambda in few functions |
| - QObject: Improved performence of the signal activation |
| - QObject: added ways to connect signals using QMetaMethod |
| - QObject: deprecated qFindChild and qFindChildren |
| - QObject: optimize constructions and destruction of objects |
| - QObject: Qt::BlockingQueuedConnection can handle the return value [QTBUG-10440] |
| - QList/QVector/QStringList: added C++0x initilizer lists constructors. |
| - QVarLenghtArray: added method for consistency with QVector |
| - QStringBuilder: added support for QByteArray |
| - qSwap now uses std::swap, specialized std::swap for our container to work better with stl algoritms |
| - QVariant: deprecated global function qVariantSetValue, qVariantValue, qVariantCanConvert, qVariantFromValue |
| - QUrl: add method for retrieving effective top level domain [QTBUG-13601] (MR-1205) |
| |
| QtGui |
| ----- |
| |
| - QTabBar: reduced minimumSizeHint if ElideMode is set. |
| - QComboBox: Fixed a color propagation issue with the lineedit. [QTBUG-5950] |
| - Deprecate qGenericMatrixFromMatrix4x4 and qGenericMatrixToMatrix4x4 |
| - QListView diverses optimisations [QTBUG-11438] |
| - QTreeWidget/QListWidget: use localeAwareCompare for string comparisons [QTBUG-10839] |
| - PNG image I/O: Much improved support for text annotations, including iTXt fields. |
| - QRawFont and QGlyphRun are introduced for low-level text rendering. [QTBUG-18252] |
| - QFont: hintingPreference() is introduced to control hinting in font rendering and |
| subpixel positioning of glyphs for Windows, Mac OS X and X11/raster. [QTBUG-10615] |
| - Subpixel positioned text layout is supported in raster and OpenGL paint engines. |
| - QFont: styleName() is added to allow selecting fonts with irregular style names |
| like UltraLight. [QTBUG-19366] |
| - Visual text cursor movement behavior is added to QTextEdit and QLineEdit controls, |
| which can be used as an optional mode for bi-directional text editing. [QTBUG-13859] |
| - Accessibility: Fix potential crash in QDockWidget. |
| - Accessibility: Fix crash when asking for relations of child accessibles. |
| - Accessibility: More consistency in reporting names (especially when widget is invisible). |
| - Accessibility: Make focus handling more consistent. |
| - Accessibility: Send updates when text changes. |
| - Accessibility: Add IAccessible2 events. |
| - Accessibility: Fix crash when accessing ItemViews during initialization. |
| - Accessibility: Make QTabWidget child hierarchy consistent. |
| - Accessibility: Report correct window title and application name. |
| - Accessibility: Return text attributes for QTextEdit. |
| |
| |
| QtNetwork |
| --------- |
| |
| - SSL: Switch default version to TLS 1.0 |
| - SSL: enable Server Name Indication (SNI) by default |
| - QSslCertificate: report fraudulent certificates as invalid ("Comodogate") [QTBUG-18338] |
| - QSslCertificate: display non-ASCII names from subject and issuerInfo (MR-922) |
| - QSslCertificate: loat root certificates on demand on Unix (excluding Mac) [QTBUG-14016] |
| - QNetworkCookie: retain quotes in value attribute [QTBUG-17746] |
| - QNetworkCookie: allow spaces in unquoted values [QTBUG-18876] |
| - HTTP API: add support for HTTP multipart messages [QTBUG-6222] |
| - HTTP cache: do not load resources from cache that must be revalidated [QTBUG-18983] |
| - HTTP cache: change file organization (MR-2505) |
| |
| |
| QtOpenGL |
| -------- |
| - Removed dependency of OpenGL Utility Library (GLU) |
| - Added QGLFunctions, which provides cross-platform access to the |
| OpenGL/ES 2.0 API. |
| - Including <QtOpenGL> will not work in combination with GLEW, as |
| QGLFunctions will undefine GLEW's defines. |
| |
| QtScript |
| -------- |
| - Deprecated qScriptValueFromQMetaObject, qScriptValueToValue, qScriptValueFromValue |
| |
| QtSql |
| ----- |
| |
| - Update sqlite to 3.7.7.1 |
| **************************************************************************** |
| * Database Drivers * |
| **************************************************************************** |
| |
| |
| **************************************************************************** |
| * Platform Specific Changes * |
| **************************************************************************** |
| |
| Qt for Linux/X11 |
| ---------------- |
| - Now takes font hinting settings from GConf by default if running in |
| GNOME desktop. |
| - Various fixes to FontConfig font matching code to make it consistent |
| with other X11 programs. [QTBUG-2148, QTBUG-19947, QTBUG-14269] |
| |
| Qt for Windows |
| -------------- |
| - DirectWrite experimental text shaping engine is added with subpixel |
| positioning support. [QTBUG-12678] |
| |
| Qt for Mac OS X |
| --------------- |
| - raster graphics system is now made as the default paint engine for |
| Mac OS X. [QTBUG-12615] |
| - HarfBuzz can now be used as an optional text layout engine on Mac OS X. |
| [QTBUG-17728] |
| |
| Qt for Embedded Linux |
| --------------------- |
| |
| |
| Qt for Windows CE |
| ----------------- |
| |
| |
| **************************************************************************** |
| * Compiler Specific Changes * |
| **************************************************************************** |
| |
| |
| **************************************************************************** |
| * Tools * |
| **************************************************************************** |
| |
| - Build System |
| |
| - Assistant |
| |
| - Designer |
| * [QTBUG-18631] Enabled the use of promoted QWidgets in the buddy editor. |
| * [QTBUG-18120] Fixed saving of the Z-order. |
| * [QTBUG-13683] Fixed saving of QGridLayout and QFormLayout |
| by QFormBuilder. |
| * [QTBUG-10890] Added a filter to the rich text editor dialog. |
| that simplifies the HTML markup generated. |
| * [QTBUG-7777] Added support for QIcon::fromTheme. |
| * [QTBUG-7169] Fixed QtUiTools to be built with the correct |
| lib-infix. |
| * [QTBUG-3120] Added support for alignment of box layout items. |
| |
| - Linguist |
| - Linguist GUI |
| |
| - lupdate |
| |
| - lrelease |
| |
| |
| - rcc |
| |
| |
| - moc |
| |
| |
| - uic |
| |
| |
| - uic3 |
| |
| |
| - qmake |
| |
| |
| - configure |
| |
| |
| - qtconfig |
| * removed Qt3support dependency |
| |
| |
| - qt3to4 |
| |
| |
| **************************************************************************** |
| * Plugins * |
| **************************************************************************** |
| |
| |
| **************************************************************************** |
| * Important Behavior Changes * |
| **************************************************************************** |
| |