Qt 4.6.1 is a bug-fix release. It maintains both forward and backward+ −
compatibility (source and binary) with Qt 4.6.0. For more details,+ −
refer to the online documentation included in this distribution. The+ −
documentation is also available online:+ −
+ − http://qt.nokia.com/doc/4.6+ −
+ − The Qt version 4.6 series is binary compatible with the 4.5.x series.+ −
Applications compiled for 4.5 will continue to run with 4.6.+ −
+ − Some of the changes listed in this file include issue tracking numbers+ −
corresponding to tasks in the Qt Bug Tracker, the (now obsolete) Task+ −
Tracker, or the Merge Request queue of the public source repository.+ −
+ − Qt Bug Tracker: http://bugreports.qt.nokia.com+ −
Task Tracker: http://qt.nokia.com/developer/task-tracker+ −
Merge Request: http://qt.gitorious.org+ −
+ − ****************************************************************************+ −
* General *+ −
****************************************************************************+ −
+ − Optimizations+ −
-------------+ −
+ − - Optimized empty QUrl creation+ −
* [QTBUG-4030] Empty QUrls no longer allocate memory now+ −
+ − * See list of Important Behavior Changes below+ −
+ − + − ****************************************************************************+ −
* Library *+ −
****************************************************************************+ −
+ − QtCore+ −
------+ −
+ − - QFile+ −
* Improve performance of getting the canonical filename on Linux+ −
and Symbian by using realpath() system call.+ −
* Avoid stat() when opening a file.+ −
+ − - QLibrary and QPluginLoader+ −
* Do not look at the Qt patch-level version embedded in plugins'+ −
buildkeys when trying to determine if the plugin is compatible+ −
+ − - QProcessEnvironment+ −
* [QTBUG-6701] Ensure we don't crash in operator==+ −
+ − - QTextEncoder+ −
* [merge request 399] QTextEncoder::fromUnicode as QT3 support+ −
member+ −
+ − - QXmlStreamreader+ −
* [merge request 1926] Fix parsing of DTDs that contain empty markup+ −
declarations.+ −
+ − QtGui+ −
-----+ −
+ − - QApplication+ −
* [QTBUG-6654] Fix crashes when deleting QWidgets in touch event+ −
handlers.+ −
- QGraphicsEffect+ −
* [QTBUG-5918] Fixed redraw bugs when using graphics effects on+ −
items while animating them by transformations.+ −
- QGraphicsItem+ −
* [QTBUG-5917] Fixed memory leaks when removing a QGraphicsEffect from+ −
a QGraphicsItem or QWidget with setGraphicsEffect(0).+ −
* [QTBUG-5859] Fixes incorrect rounding of the exposed rectangle of the+ −
QGraphicsItem causing painting issues when scaling the QGraphicsView.+ −
* [QTBUG-5071] Fixes transformation problems when grouping/ungrouping+ −
the item with a QGraphicsItemGroup.+ −
- QGraphicsObject+ −
* 'id' property was removed. Use the 'objectName' property instead.+ −
- QGraphicsScene+ −
* [QTBUG-6654] Fix crashes when deleting QGraphicsItems in touch+ −
event handlers.+ −
- QGraphicsView+ −
* [QTBUG-6935] When using CacheBackground, the background is now+ −
correctly repainted after the QGraphicsView is shown after being+ −
hidden.+ −
* [QTBUG-6835] Mouse tracking is now automatically enabled when using+ −
AnchorUnderMouse for view transformation.+ −
* [QTBUG-6958] Fix speed regression in _q_polishItems()+ −
* [QTBUG-6544] Fix a crash on the focus chain when removing items from + −
the scene.+ −
* Fix a crash in KDE/Plasma with QGraphicsView with topLevels.+ −
- QGraphicsWidget+ −
* [QTBUG-6272] Only call updateFont if the font has changed.+ −
- QPainter+ −
* [QTBUG-5939] Fixed incorrect redirection matrix that was causing+ −
wrong transformation for QGraphicsProxyWidgets.+ −
* [QTBUG-6684] Added optimizations of 32-bit blend functions+ −
for ARM platforms with NEON support.+ −
- QPixmap+ −
* load() and loadFromData() can now support compressed GL textures+ −
in the DDS, ETC1, PVRTC2, and PVRTC4 formats if the OpenGL graphics+ −
system is active and the appropriate extensions are present in the+ −
GL implementation.+ −
* [QTBUG-6840] Fixed load() to not modify referenced copies.+ −
* [QTBUG-5840] Fixed a crash in fromImage() when passing in a null image.+ −
* [QTBUG-6116] Fixed memory leak where a global object was not destroyed+ −
at program exit.+ −
- QPixmapCache+ −
* Fixed a small leak when using the new QPixmapCache::Key based API.+ −
- QPrinter+ −
* [QTBUG-3412] QGraphicsProxyWidgets are now rendered correctly when+ −
printing a QGraphicsScene to PDF format.+ −
- QRasterPixmapData+ −
* [QTBUG-6985] Fixed metric() to return the correct height in mm.+ −
- QTextDocument+ −
* [QTBUG-5397] Fixed printing of QTextDocuments not including custom+ −
text objects.+ −
* [QTBUG-6051] Fixed an endless loop when printing a QTextDocument.+ −
+ − QtDBus+ −
------+ −
+ − - QDBusConnection+ −
* [QTBUG-5979] Fixed the signal-delivery mechanism to update+ −
correctly when the sender name changes/appears on the bus.+ −
* [QTBUG-7041] Fixed marshalling of booleans in release mode.+ −
* [QT-2307] Fixed calls with the QDBus::BlockWithGui mode.+ −
- QDBusInterface+ −
* Made it continue working even when the remote object+ −
introspection fails.+ −
- QDBusInterface and qdbuscpp2xml+ −
* [QTBUG-5563] Fixed an issue with generating annotations in+ −
signals.+ −
- QDBusPendingReply and QDBusReply+ −
* [QTBUG-6571] Fixed a crash that would happen if you tried to+ −
make a call with a disconnected QDBusConnection.+ −
+ − QtMultimedia+ −
------------+ −
+ − - QAudioOutput+ −
* [Merge request 418] Fixed compilation the example provided for+ −
QAudioOutput::start.+ −
+ − QtNetwork+ −
---------+ −
+ − - QNetworkAccessManager+ −
* HTTP: Send our locale with the HTTP request.+ −
* HTTP: Start Accept-language and Authorization header with capital letter.+ −
* HTTP: Fix caching algorithm, matching RFC 2612 and the documentation.+ −
* HTTP [QTBUG-7060]: Fix an issue with headers like "private, max-age=300".+ −
* file: Introduce special subclass for higher performance with file:// URLs.+ −
- QTcpSocket+ −
* [QTBUG-5799] Fix waitForConnected() on Windows.+ −
- QNetworkProxyFactory+ −
* Fixed systemProxyForQuery(), it could sometimes return invalid empty list+ −
on Windows.+ −
- QNetworkCookieJar+ −
* [QTBUG-5815] Do not check paths when accepting cookies.+ −
- QHostInfo+ −
* Use five parallel threads for host lookup instead of one.+ −
+ − QtOpenGL+ −
--------+ −
+ − - QGL2PaintEngineEx+ −
* Performance: Don't mark brush as dirty if it hasn't changed.+ −
* Performance: Use 3x3 PMV matrices rather than 4x4.+ −
* Performance: Move the 0.5 offset we add for aliased rendering to+ −
updateMatrix().+ −
* Performance: Remove superfluous enable/disable vertex attrib arrays.+ −
* Performance: Track the glVertexAttribPointer and only update it if it's+ −
changed.+ −
* [QTBUG-7094] Introduce new "snapToPixelGrid" flag for drawText.+ −
- QGLContext+ −
* bindTexture(QString) now supports DDS, ETC1, PVRTC2, and PVRTC4+ −
compressed textures if the appropriate extensions are present+ −
in the GL implementation.+ −
* bindTexture(QImage): Reduce double-copying of textures when flipping.+ −
* [QTBUG-6454] Better EGL extension checking to avoid prefix problems+ −
with EGL_foo matching EGL_foo_bar.+ −
* [QTBUG-6217] Work around problems with glColor4ub() on Intel Q45/Q43+ −
Express by consistently using glColor4f() everywhere.+ −
* bindTexture(QImage): Fix GL_BGRA formats under OpenGL/ES by using+ −
the same value for both internal and external texture formats.+ −
* [QTBUG-5041] Disable depth testing while in renderText().+ −
- QGLEngineSelector+ −
* [QTBUG-5638] Detect GL2 based on fragment shaders, not programs.+ −
Fragment programs are a GL1 feature.+ −
- QGLFramebufferObject+ −
* [QTBUG-6712] Update docs to better explain how QPainter changes+ −
the GL state when used on an FBO.+ −
- QGLGlyphCache+ −
* [QTBUG-6936] Fix memory leak of QGLGlyphCoord objects.+ −
- QGLPaintDevice+ −
* [QTBUG-6204] Rebind window surface FBO after native GL rendering.+ −
- QGLPixmapData+ −
* [QTBUG-6902] Align GL_RGB data on a 4-byte line boundary.+ −
- QGLWidget+ −
* [QTBUG-5002, QTBUG-6931] Fixed QGLWidget::renderText().+ −
* Fixed WA_TranslucentBackground for QGLWidgets on X11/EGL.+ −
* Fix EGL surface leaks when re-parenting on X11/EGL.+ −
- QTriangulatingStroker+ −
* [QTBUG-6045] Crash in dashed line handling in the GL stroker.+ −
+ − QtOpenVG+ −
--------+ −
+ − - [QT-2555] Automatically destroy VG pixmaps when the last window surface+ −
goes away to reduce memory consumption of backgrounded applications.+ −
- [QTBUG-6639] Recover from out-of-memory when creating VGImage's.+ −
- [QT-2554] Add a VGImage allocation pool to support reclaiming older+ −
images when the GPU runs out of memory.+ −
- [QTBUG-7051] Reset the OpenVG scissor after a native painting call-out.+ −
- [QTBUG-7015] Avoid deep copies of QImage in QImage::bits() calls.+ −
+ − QtWebKit+ −
--------+ −
+ − - Fixed user agent string on Symbian (webkit.org/b/31961).+ −
- QWebInspector: Don't disable when hiding (webkit.org/b/31851).+ −
- Fix JavaScript prompt behaviour for empty/null strings (webkit.org/b/30914).+ −
- Fixed lastIndexOf() on Symbian (webkit.org/b/31773).+ −
- Fixed crash with Flash on Windows with MinGW.+ −
- Fixed wrapping of QObjects with recurring identity (webkit.org/b/31681).+ −
- Fixed compilation with ICC.+ −
- Fixed assertion when dragging SVG images (webkit.org/b/32511).+ −
- Added the framecapture example to the default build (merge request 2235)+ −
- Fixed crash with ACID3 test on Symbian+ −
- Fixed security issue XSL stylesheets and security origins.+ −
+ − QtSql+ −
-----+ −
+ − - [QTBUG-5373] Fixed QSqlRelationalTableModel doesn't correctly work with+ −
relation in other database schema.+ −
- [QTBUG-5298] (OCI) Fixed QSqlDatabase.tables() does not work with system+ −
tables.+ −
- [QTBUG-6421] Fixed setForwardOnly() for both OCI and SQLite.+ −
- [QTBUG-6618] (ODBC) Fixed segfault when error string is larger than 256+ −
chars.+ −
- [QTBUG-4461] (OCI) Fixed problem with clobs being handled as binary.+ −
+ − QtSvg+ −
-----+ −
+ − - QSvgRenderer+ −
* [QTBUG-6867] Fixed regression in the parsing of paths with relative+ −
offsets.+ −
* [QTBUG-6899] Fixed crash when parsing invalid coordinate list.+ −
+ − Qt Plugins+ −
----------+ −
+ − - JPEG plugin+ −
* Remove obsolete parameter string handling.+ −
* [QT-2023] Re-implement ScaledSize, ClipRect, ScaledClipRect with+ −
libjpeg features for greater performance.+ −
- PBM plugin+ −
* [QTBUG-6937] Use Mono instead of MonoLSB when writing pbm files.+ −
- TIFF plugin+ −
* [QTBUG-6870] BitsPerSample should default to 1 in TIFF files.+ −
- PNG plugin+ −
* [QTBUG-7161] Avoid a deep copy of QImage::bits() in the png writer.+ −
+ − + − ****************************************************************************+ −
* Platform Specific Changes *+ −
****************************************************************************+ −
+ − Qt for Unix (X11 and Mac OS X)+ −
------------------------------+ −
+ − - [QTBUG-6755] Ensure we don't call select(2) with a negative timeout+ −
if the timer expires during timeout recalculation.+ −
- Added mkspecs for Sun CC that enable -library=stlport by default,+ −
to restore STL capability with that compiler.+ −
- [QTBUG-6576] Fixed compilation on HP-UX 11.11.+ −
- [QTBUG-6961] Fixed compilation on HURD.+ −
+ − Qt for Linux/X11+ −
----------------+ −
+ − - [QTBUG-5732] Fixed querying of GLX extensions under X11.+ −
- [QTBUG-5547] Fixed handling of the "..." button.+ −
- Added new mkspec for Maemo targets (linux-g++-maemo).+ −
- Added new mkspec for Scratchbox host compiler (unsupported/linux-host-g++).+ −
- QGuiEventDispatcherGlib (internal class)+ −
* Fix regression introduced in 4.6.0 that could cause X11 event+ −
processing to starve timer events.+ −
- QFileSystemWatcher+ −
* [QTBUG-4840] Fix memory leak in the dnotify implementation.+ −
- QIcon+ −
* [QTBUG-6121] Fixed a problem causing svg-based icon themes to look fuzzy.+ −
- QGtkStyle+ −
* [QTBUG-6484] Ensure that gtk-enable-mnemonics is respected.+ −
+ − Qt for Windows+ −
--------------+ −
+ − - [QTBUG-5145] Compile fixes for win32-icc.+ −
- QAtomicPointer+ −
* [QTBUG-6079] Fix compilation for 64-bit Windows targets.+ −
- QEventDispatchWin32 (internal class)+ −
* [QTBUG-6083] Fix a performance regression introduced in 4.6.0+ −
that would cause all Qt posted events to be sent at 15-16ms+ −
intervals (instead of as quickly as possible).+ −
- Vista/XP styles+ −
* [QTBUG-6271] Fixed a compatibility issue with MDI windows in + −
certain non-standard themes.+ −
+ − Qt for Mac OS X+ −
---------------+ −
+ − - QPixmap+ −
* [QTBUG-5070] Fixed a crash on Mac that could occur when loading+ −
pixmaps of different sizes into the same QPixmap object.+ −
- [QTBUG-6973] Fixed a memory leak when using QWidget::setWindowIcon() in+ −
Carbon.+ −
- [QTBUG-5186] Fixed a bug which caused drag and drop icons to show + −
incorrectly.+ −
- [QTBUG-6636] Fixed a crash due to stack overflow in QColorDialog on Cocoa.+ −
- [QTBUG-6378] Fix a text cursor rendering bug.+ −
- [QTBUG-6636] Fixed a crash when calling removeToolBar on Mac native toolbars+ −
using Cocoa.+ −
- [QTBUG-5613] Fixed a bug where the application refused to quit when showing+ −
a single modal dialog.+ −
- Gestures are now available for the Carbon port also when building Qt against+ −
SDK < 10.6+ −
+ − Qt for Symbian+ −
--------------+ −
+ − - QApplication+ −
* [QTBUG-6098] Added a flag to avoid construction of application panes.+ −
- Other:+ −
* [QTBUG-4990] Rewrote most of the regular pointer handling.+ −
+ − + − ****************************************************************************+ −
* Tools *+ −
****************************************************************************+ −
+ − - Designer+ −
* [QTBUG-6863] Fixed static linking on Mac.+ −
* [QTBUG-6760] Fixed display of action shortcut in action editor.+ −
* [QTBUG-6505] Fixed handling of QHeaderView properties.+ −
* [QTBUG-5335] Fixed handling of layout margins of custom containers.+ −
+ − - uic+ −
* [QTBUG-5824] Fixed code generation to generate a call to+ −
QMainWindow::setCentralWidget() for promoted widgets as well.+ −
+ − ****************************************************************************+ −
* Important Behavior Changes *+ −
****************************************************************************+ −
+ − - Phonon+ −
* Include headers have been changed. The only official method for+ −
including Phonon headers is <phonon/ClassName> or+ −
<phonon/classname.h>. This change was necessary because of+ −
frameworks on Mac.+ −
+ − Compatibility is provided for <Phonon/*> includes, but is not+ −
guaranteed to work. Including <phonon> and <Phonon> is not+ −
supported.+ −
+ −