path: root/dist/changes-4.6.3

Qt 4.6.3 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                                        *
****************************************************************************

New features
------------

 - SomeClass, SomeOtherClass
    * New classes for foo, bar and baz

Optimizations
-------------

 - Optimized foo in QSomeClass
    * See list of Important Behavior Changes below


****************************************************************************
*                          Library                                         *
****************************************************************************

QtCore
------

 - QStateMachine
    * [QTBUG-8842] Ensure history configuration is cleared when a state
      machine is restarted
 - QXmlStreamReader
    * [QTBUG-9196] fixed crash when parsing

QtGui
-----

 - QGraphicsEffect
    * [QTBUG-5358] Fixed warnings and crash when painting graphics effects outside scene.

 - QGraphicsItem
    * [QTBUG-9391] Avoid a useless repaint when setting the cache mode to
      DeviceCoordinateMode while already using that mode.
    * [QTBUG-8475] Fixed crash and loss of focus when deleting a child of a focus scope.

 - QGraphicsProxyWidget
    * [QTBUG-5349] Fixed tooltips not being shown for QGraphicsProxyWidget.
    * [QTBUG-2883] Fixed tooltips appearing at wrong location.
    * [QTBUG-7296] Fixed painting artifacts on a scaled proxy when the view is scrolled.

 - QGraphicsScene
    * [QTBUG-7863] Fixed incorrect blending when using QGraphicsItem:DeviceCoordinateCache
    and when the item is semi-transparent. If the item is transformed, the cache is now
    always fully repainted to avoid artifacts.

 - QGraphicsView
    * Item tooltips are not clipped by the view anymore.

 - QPainter
	* [QTBUG-10421] Fixed WebKit-specific justification bug for text containing
       more than one script.

 - QRegion
    * [QTBUG-7699] Prevented crash on large x-coordinates.

 - QTextEdit
	* [QTBUG-9599] Fixed crash when copying the current text cursor  as a result
      of deleting a character.

 - QTextEngine
    * [QTBUG-9374] Fixed possible crash in QTextEngine::boundingBox() when using
      multiscripted text.

 - QTextLayout
    * [QTBUG-9074] Fixed performance regression that was introduced in Qt 4.6.0.

 - QTransform
    * [QTBUG-8557] Fixed bug in QTransform::type() potentially occuring
      after using operator/ or operator* or their overloads.

 - Improved scrolling horizontally with a mouse wheel over sliders.
 - [QTBUG-7451] Gestures respect panels on QGraphicsView.

 - QCUPSSupport
    * [QTBUG-10512] Fixed a potential crash with misconfigured CUPS printers.
    * [QTBUG-6419] Make QCUPSSupport::printerHasPPD() release temporary file
      handles.

 - QPDFBaseEngine
    * [QTBUG-8451] Fixed line and point drawing in the PS and PDF generators.

 - QTextDocument
    * [QTBUG-10301] Fixed a leak in QTextDocument::print().

 - QFontEngine
    * [QTBUG-3976] Fixed a leak for QFont objects used in threads.

 - QPSPrintEngine
    * [QTBUG-10121] Fixed incorrect version setting for EPS files.
    * [QTBUG-10140] Fixed generation of the %%BoundingBox operator to output
      integer values instead of floating point values.

 - QWin32PrintEngine
    * [QTBUG-9938] Fixed a crash on Windows 7 systems with invalid PrinterPorts
      registry entries.

 - QTriangulatingStroker
    * [QTBUG-9548] Fixed possible data corruption when certain paths were triangulated.

 - QRasterPaintEngine
    * [QTBUG-9036] Fixed ClearType text rendering on translucent surfaces under Windows.

 - QPixmap
    * [QTBUG-8606] Fixed QPixmap::load() to not modify referenced copies.

 - QPainter
    * [QTBUG-8140] Speed up custom bitmap brushes under X11 without Xrender support.
    * [QTBUG-8032] Fixed drawing pixmaps onto bitmaps on X11 without Xrender support.

 - QImageReader
    * [QTBUG-7980] Fixed QImageReader::setAutoDetectImageFormat() to work with plugins.

 - QGifHandler
    * [QTBUG-7037] Fixed QGifHandler::loopCount().
    * [QTBUG-6696] Cache the sizes of images in an animated GIF.

 - qDrawPixmaps()
    * [QTBUG-8455] Fixed qDrawPixmaps() to draw on integer coordinates under Mac OS X.

 - QCommonStyle
    * [QTBUG-7137] Fixed a bug that led to missing text pixels in QTabBar when using
      small font sizes.


QtDBus
------

 - foo
    * bar

QtNetwork
---------

 - foo
    * bar

QtOpenGL
--------

 - QOpenGLPaintEngine
    * [QTBUG-10529] Fixed an issue where bound pixmaps were not released correctly
      in the GL 1 engine.

 - QGL2PaintEngineEx
    * [QTBUG-8681] Fixed an application exit crash that could occur in
      the GL2 engine under X11.

 - QGLWidget
    * [QTBUG-7545] Fixed QGLWidget::grabFrameBuffer() to honor the 'withAlpha' flag.
    * [QTBUG-8054] Fixed drawing QPixmaps onto QGLWidgets on different X11 screens.
    * [QTBUG-7865] Fixed bug where GL widgets were not fully updated on
      Windows Vista/7 with Aero disabled.
    * [QTBUG-8753] Worked around driver bug causing clipping errors on the N900.
    * [QTBUG-10510] Workaround ATI driver bug when using QGraphicsEffect with GL.

 - QGLContext
    * [QTBUG-5732] Fixed a GLX warning that occured with some Intel chipsets under X11.

 - QGLPixelBuffer
    * [QTBUG-8047] Fixed usage of QGLPixelBuffer with share widgets on other X11 screens.

QtScript
--------

 - [QTBUG-7066] Fixed regression introduced in 4.6.0 that made it not
   possible to change the prototype of the global object
 - [QTBUG-8366] Fixed regression introduced in 4.6.0 that caused the
   instanceof operator to throw an error when the right-hand-side is
   generated by QScriptEngine::newQMetaObject()
 - [QTBUG-8400] Fixed memory leak when lazily binding QScriptValue to an
   engine
 - [QTBUG-9775] Fixed regression introduced in 4.6.0 that caused the
   qsTr() function not to resolve the translation context correctly when
   invoked in the global scope
 - QScriptClass
   * [QTBUG-8364] Fixed regression introduced in 4.6.0 that could cause
     the Callable extension to crash
 - QScriptEngine
   * [QTBUG-6437] Fixed regression introduced in 4.6.0 that made
     installTranslatorFunctions() not work with custom global object

QtSql
-----

 - foo
    * bar

QtXml
-----

 - [QTBUG-8398] QDom: prevent infinite loop when cloning a DTD

QtXmlPatterns
-------------
- [QTBUG-8920] fixed crash with anonymous types in XsdSchemaChecker
- [QTBUG-8394] include/import/redefine schemas only once
- QXmlSchema: fix crash with referencing elements

Qt Plugins
----------

 - foo
    * bar

Third party components
----------------------

 - Updated foo to version 2.3.9.

 - Updated bar to the latest version from baz.org.


****************************************************************************
*                      Platform Specific Changes                           *
****************************************************************************

Qt for Unix (X11 and Mac OS X)
------------------------------

 -

Qt for Linux/X11
----------------

 - [MR 458] Improved handling of Shift-Tab with VNC on X11.
 - [QTBUG-7063] Changed key bindings (XF86XK_MyComputer, Qt::Key_Launch0,
   Key_Calculator) on X11 back to how it was in Qt 4.5 before MR 1742
   accidentally changed it.

Qt for Windows
--------------

 - [QTBUG-6007] On Windows we query if there is a touch screen and do not try
   to enable gestures otherwise.
 - QLocalSocket
    * [QTBUG-7815] Pipe handle leak fixed, when closing a QLocalSocket that still has
      unwritten data.
    * [QTBUG-9681] Fixed closing state for local sockets with unwritten data.
    * [QTBUG-8418] Detection of Windows mobile 6.5 fixed.


Qt for Mac OS X
---------------

 -

Qt for Embedded Linux
---------------------

 -

DirectFB
--------

 -

Qt for Windows CE
-----------------

- Core changes
   * [QTBUG-8754] Fixed menu handling on Windows mobile.
   * [QTBUG-7943] Fixed a crash when receiving a certain type of
     WM_SETTINGSCHANGE message.

- QWindowsMobileStyle
   * [QTBUG-8419] Huge performance penalty for QTabWidget fixed for
     Windows mobile 6.5.
   * [QTBUG-8757] QTabBar scroll button size has been fixed.


Qt for Symbian
--------------

 - [QT-567] Implementation of QtMultimedia QAudio* APIs
 - [QTBUG-8919] Modified Phonon MMF backend to support video playback on
   platforms which use graphics surfaces (i.e. platforms using the
   New Graphics Architecture a.k.a. ScreenPlay)

****************************************************************************
*                          Tools                                           *
****************************************************************************

 - Designer
   * foo

 - qdoc3
   * bar

 - Linguist
   * baz

****************************************************************************
* Important Behavior Changes *
****************************************************************************

 -