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    1 Qt 4.5.2-tower
    2 ---------------
    3 
    4 The Qt for S60 "Tower" release is the fifth pre-release from the Qt for
    5 S60 porting project. "Tower" is based on the Qt 4.5 codebase (mostly Qt 4.5.2).
    6 
    7 This list of changes lists S60 specific fixes only,
    8 for general 4.5.x changes go to:
    9 
   10   http://qt.nokia.com/developer/changes/changes-4.5.0
   11   http://qt.nokia.com/developer/changes/changes-4.5.1
   12   http://qt.nokia.com/developer/changes/changes-4.5.2 (partially in Tower)
   13 
   14 Some of the changes listed in this file include issue tracking numbers
   15 corresponding to tasks in the Task Tracker:
   16 
   17   http://qt.nokia.com/developer/task-tracker
   18 
   19 Each of these identifiers can be entered in the task tracker to obtain
   20 more information about a particular change. Sometimes the task is internal
   21 and cannot be viewed by the public, a lot of them are non-public for Qt for
   22 S60 at the moment.
   23 
   24 ****************************************************************************
   25 *                          New features                                    *
   26 ****************************************************************************
   27 
   28 New modules
   29 -----------
   30 
   31 - Input methods
   32     * Added events to support opening and closing the virtual keyboard, called
   33       software input panel in Qt.
   34     * Added an option to QApplication to choose between single or double click
   35       input panel activation.
   36     * Added input method hints API to Qt. These can be used to instruct input methods
   37       to only allow certain characters or tailor their appearance.
   38     * Added Qt::ImAnchorPosition to support querying for selections through input
   39       methods.
   40     * Added QInputMethodEvent::Selection to support setting the selection through
   41       input methods.
   42 
   43 - Phonon
   44     * The Phonon library is now part of Qt, but it comes without a backend.
   45       This means that applications can build and run against the Phonon
   46       library, but there is currently no S60 backend plugin providing actual
   47       multimedia playback. Possible alternatives such as Helix and MMF are
   48       being investigated.
   49 
   50 - QtSql
   51     * Implemented QtSql module with sqlite3 backend. For now backend is
   52       provided only in binary format.
   53 
   54 - QtWebkit
   55     * Experimental webkit build for S60. Can be enabled by passing -webkit
   56       to configure.
   57 
   58 New classes
   59 ------------
   60 
   61 - QScopedPointer
   62     * Smart pointer, which deletes pointer when destroyed.
   63 
   64 Ported classes
   65 --------------
   66 
   67 - QColormap
   68     * Added basic implementation of QColormap for Symbian.
   69 
   70 - QLocalSocket and QLocalServer
   71     * Added support for QLocalSocket and QLocalServer on Symbian.
   72 
   73 - QSound
   74     * Implemented CMdaAudioPlayerUtility based Symbian backend for QSound.
   75 
   76 Features
   77 --------
   78 
   79 - QApplication
   80     * Implemented QApplication::beep() for Symbian.
   81 
   82 - QPixmap
   83     * Added supported for converting to/from CFbsBitmap
   84 
   85 - QSslSocket
   86     * Added support for -openssl option i.e. runtime resolving of OpenSSL
   87       symbols.
   88 
   89 - QWidget
   90     * Basic widgets are now navigatable and usable via keypad on SDK 3
   91       FP 1 and FP 2.
   92     * Widgets can now be made semi-transparent on systems that support it
   93       using Qt::WA_TranslucentBackground.
   94 
   95 - Exception safety
   96     * Improving the exception safety of Qt, not yet complete.
   97     * Added support for translating between Symbian leaves and standard C++
   98       exceptions.
   99 
  100 Optimizations
  101 -------------
  102 
  103 - qdrawhelper
  104     * Optimized drawing operations for RVCT builds, particulary for ARMV6.
  105 
  106 - QFont
  107     * Use cached DPI for metrics.
  108 
  109 - qwidget_s60.cpp
  110     * Avoid unnecessary calls to FocusChanged in Symbian.
  111 
  112 - qwindowsurface_s60.cpp
  113     * Avoid updating raster buffer pointer on window hide
  114     
  115 Documentation
  116 -------------
  117 
  118 - exceptionsafety.qdoc
  119     * A guide to exception safety in Qt.
  120     
  121 - symbian-exceptionsafety.qdoc
  122     * A guide to integrating exception safety in Qt with Symbian.
  123 
  124 ****************************************************************************
  125 *                          Code clean-up                                   *
  126 ****************************************************************************
  127 
  128 - Cleanup qeventdispatcher_unix.cpp
  129     * 247268: All qeventdispatcher_unix.cpp changes were reverted since
  130     this file is not anymore used in Symbian OS branch.
  131 
  132 - Cleanup QtNetwork workarounds implemented earlier due to Open C bugs.
  133     * 247287: Removed getaddrinfo workaround.
  134     * 247288: Removed waitForConnected workaround.
  135     * 247289: Removed qt_socket_accept workaround.
  136     * 247290: Removed qt_socket_connect workaround.
  137     * 247290: Removed E32IONREAD workaround.
  138     * 247293: Removed nativeHasPendingDatagrams workaround.
  139     * 247295: Removed QNativeSocketEnginePrivate::nativeRead EPIPE
  140       workaround.
  141 
  142 - Other code clean-ups
  143     * 247278: Removed unnecessary includes from qbackingstore.cpp.
  144     * Fixed Q_OS_SYMBIAN ifdef usage in qfiledialog_p.h.
  145     * 247272: Removed qtestnetworkservers.h dependency, used
  146       network-settings.h.
  147     * Revert "Work around compiler bug on Nokia Metrowerks compiler."
  148     * Remove UI highlights being inverted colors based on highlight text 
  149       colors.
  150 
  151 ****************************************************************************
  152 *                          Build issues                                    *
  153 ****************************************************************************
  154 
  155 - Macros
  156     * QT_NO_DEBUG now properly defined in release mode.
  157 
  158 - QTest
  159     * Fixed testlib export macros for RVCT builds.
  160 
  161 - Namespaces
  162     * Now builds when -qtnamespace option is defined.
  163 
  164 ****************************************************************************
  165 *                          Changes to existing classes                     *
  166 ****************************************************************************
  167 
  168 - QApplication
  169     * 252798: Fixed layout when orientation changed via
  170       AknAppUi::SetOrientationL.
  171     * Generating MouseEvents has gone through several changes.
  172     * qt_init() has been changed: auto flush is always enabled for
  173       window server sessions on 3.1 SDK for both UDEB and UREL.
  174     * Added support for '-graphics-system' command line option
  175 
  176 - QCoeFepInputContext (non-public)
  177     * Fixes FEP crash when changing the focused Qt widget to NULL.
  178     * Fixed a bug where the virtual keyboard could not be opened if there
  179       was only one input widget.
  180     * Fixed a crash in FEP when exiting application.
  181 
  182 - QDebug
  183     * Fixed debug printing (incl. qWarning, qFatal) for strings longer
  184       than 256 characters.
  185     * introduce a breakpoint to get the emulator to stop in the debugger 
  186       when qFatal is called
  187 
  188 - QDesktopServices
  189     * Fixed forwardslash/backslash usage as an path separator.
  190     * Switched QDesktopServices mail-to URL handling to RSendAs in Symbian,
  191       due to the fact that CSendUi requires extensive capabilities to work
  192       correctly. Currently e-mail sending with qdesktopservices::openUrl
  193       works in Symbian only if e-mail account already exists.
  194 
  195 - QDesktopWidget
  196     * 253930: Implement proper resize behavior and emit necessary signals.
  197 
  198 - QEventDispatcherSymbian (non-public)
  199     * Lowered the timeout for reprioritizing the process to 100ms.
  200     * Fixed ASSERT panic in Symbian event dispatcher.
  201     * 246600: Fix problem in eventdispatcher destructor / AO canceling.
  202     * Fixed active scheduler removal when calling QThread::terminate.
  203     * Fix to Open C bug: select sometimes returns -1 and errno is
  204       ECONNREFUSED.
  205     * Fix a crash when using QEventLoop::ExcludeSocketNotifiers flag.
  206     * Changed to round robin scheduling for Qt's active objects. Other
  207       active objects will still be scheduled like before.
  208     * Fixed crash if events are posted before QApplication construction
  209 
  210 - QFontDataBase
  211     * Now, also fonts from the user's /resources/fonts directories are
  212       available.
  213 
  214 - QFontEngine
  215     * Fix the vertical advance of glyph metrics.
  216 
  217 - QFontMetrics
  218     * Fixed the boundingRect calculation for text.
  219 
  220 - QGraphicsView
  221     * Added support for virtual keyboard to the the viewport.
  222 
  223 - QGraphicsTextItem
  224     * Added support for virtual keyboard.
  225 
  226 - QHostInfo
  227     * Added support for host lookups with multiple ipv4 addresses.
  228 
  229 - QInputContext
  230     * Added QInputContext::s60FilterEvent().
  231 
  232 - QIoDevice
  233     * Fixed compilation error when QIODEVICE_DEBUG is defined.
  234 
  235 - QKeyMapper (non-public)
  236     * Fixed a broken keymapping where Enter key would be mapped to Tab.
  237 
  238 - QLocale
  239     * Removed workaround for missing tzname symbol, fixes QLocal timeZone
  240       implementation for Symbian.
  241 
  242 - QLocalSocket
  243     * Connecting to QLocalServer is always done in blocking mode.
  244 
  245 - QMenuBar
  246     * Native menus are handled properly even when application has multiple
  247       QMainWindows.
  248     * Fixed a bug causing both native and qt menu to be created.
  249     * Fix for disappearing options menu after coming back from dialog.
  250 
  251 - QNativeSocketEnginePrivate (non-public)
  252     * Socket connect and listen failure is indicated in exception set.
  253       (Workaround to Open C bug)
  254 
  255 - QNetworkInterface
  256     * Fixed R-handle leak in Symbian version of qnetworkinterface_unix.cpp.
  257     * Introduced a new qnetworkinterface_symbian.cpp, because there wasn't
  258       really anything common to UNIX equivalent.
  259 
  260 - QPixmap
  261     * Added fromSymbianCFbsBitmap() and toSymbianCFbsBitmap().
  262 
  263 - QPlainTextEdit
  264     * Added support for virtual keyboard.
  265 
  266 - QPluginLoader
  267     * QPluginLoader will look for plugin stubs from the same folder on other
  268       drives if it can't find them from the indicated drive.
  269 
  270 - QS60Style
  271     * Added subElementRect implementation for SE_ItemViewItemCheckIndicator.
  272     * Added support for E90 layouts.
  273     * Added support for QScrollArea, QTextEditor, QGroupBox, QTreeView, 
  274       QToolBar and QDial styling.
  275     * Better support for theme and layout changes.
  276     * Better support for themed palettes and themed text colors.
  277     * Better support for multiselection in item views.
  278     * Better theming for QTable and QPanel.
  279     * Better support of highlight graphics and texts for QLists, QTreeViews, 
  280       QCalendarWidgets and QComboBoxes.
  281     * Support polishing fonts. Fonts are no longer changed within the drawing 
  282       code.
  283     * Draw spinbox arrowbuttons side-by-side, instead one on top of the other.
  284     * Harmonize widget drawing so that widgets are of similar height.
  285     * Support check states for QLists and QPushButtons.
  286     * Support flat QPushButtons.
  287     * Support busy indicator.
  288     * Support QScrollBar pressed state.
  289     * Support QPushButton disabled theme graphics.
  290     * Separate theme background for QDialogs.
  291     * Clarify QToolButton pressed state.
  292     * Removed linedrawing of panels and groupboxes.
  293     * Fix palette-polution for a style that is activated from an application 
  294       after S60Style has been in use.
  295     * Fix for frame masks with color depth other than EGrey2.
  296     * Fix for squeezed QTabBars.
  297     * Fix memory leak when color skinning graphics.
  298     * Show focus/Editfocus visualization for KeyPad navigation on
  299       SDK 3 FP 1 and FP 2.
  300     * Fix for overwriting user specified palettes.
  301 
  302 - QSelectThread (non-public)
  303     * We force monitoring sockets exception status as well, and not
  304       just read/write.
  305     * Notification related to the particular socket signaled via exception
  306       fd_set will be mapped to the appropriate read/write notification.
  307 
  308 - QTemporaryFile
  309     * Fixed temporary file rename in Symbian OS.
  310 
  311 - QTest
  312     * Disable keypad navigation for autotests by default
  313 
  314 - QTextEdit
  315     * Added support for virtual keyboard.
  316 
  317 - QThread
  318     * Fixed thread termination in Symbian OS.
  319 
  320 - QUdpSocket
  321     * Updated BindFlag documentation to reflect behaviour on Symbian OS.
  322     * Wrote hack for QUdpSocket::writeDatagram return value in Symbian OS.
  323 
  324 - QWidget
  325     * Added API for setting softkeys.
  326     * Fixed background painting. Background can now be overwritten from
  327       setting the respective palette role.
  328     * Add support for Qt::WA_TranslucentBackground.
  329 
  330 - Many classes
  331     * Improved exception safety.
  332 
  333 ****************************************************************************
  334 *                          Examples and demos                              *
  335 ****************************************************************************
  336 
  337 - Anomaly browser 
  338     * Added to demonstrate QtWebkit usage.
  339 
  340 - Deform, Pathstroke, and Wiggly
  341     * Removed Symbian specific animation timer fixes since more generic
  342       fix was made to event dispatcher.
  343 
  344 - DesktopServices
  345     * Implemented content filters for desktopservices example.
  346     * Added error handling to qdesktopservices example when openUrl fails.
  347 
  348 - Drilldown
  349     * Added to demonstrate QtSql usage in Symbian OS.
  350 
  351 - Fluidlauncher
  352     * Removed ugly workaround to make emulator deployment work correctly,
  353       since the issue has been fixed in qmake.
  354     * Included drilldown to demonstrate QtSql usage.
  355     * Updated screenshots to S60 style.
  356     * Added softkeys example.
  357     * Added Anomaly browser to fluidlauncher.
  358 
  359 - Ftp
  360     * Enabled default IAP setting for FTP example.
  361     * IAP dialog will show after FTP UI is on screen.
  362     * If active IAP exist that one will be used.
  363 
  364 - SecureSocketClient
  365     * Fixed build issue caused by lack of cursor.
  366 
  367 - Softkeys
  368     * New example showing how to use softkeys API in QWidget.
  369 
  370 ****************************************************************************
  371 *                          Tools                                           *
  372 ****************************************************************************
  373 
  374 - configure
  375     * -cetest is no longer a supported switch for configure.
  376     * -stl option is enabled by default for Symbian OS
  377     * -openssl option is enabled by default for Symbian OS.
  378     * -fpu option enables vfpu type selection for ARM targets.
  379 
  380 - qmake
  381     * Support for generating Symbian "test" targets: CONFIG += symbian_test.
  382     * Support for Symbian Build System, version 2 (aka Raptor) via
  383       symbian-sbsv2 mkspec.
  384     * PAGED keyword is added to all MMP files by default, except in S60 3.1
  385       builds.
  386     * Read-only flag is no longer preserved when deploying files into
  387       emulator environment.
  388     * Changed the timestamp to ISO format in all files generated
  389       by qmake for symbian-* mkspecs.
  390     * Qt's VERSION variable will now generate VERSION keyword in mmp files.
  391     * Made Open C include paths handling bit more robust.
  392     * Support both Symbian Foundation header structure in /epoc32/include,
  393       as well as old Symbian/S60 structure
  394 
  395 - Release package creation
  396     * Removed the obsolete script to create release package.
  397 
  398 - Createpackage script
  399     * Now creates packages with .sis suffix.
  400 
  401 - Patch_capabilities script
  402     * Will now patch also vendor id in binaries and the UID in the pkg file.   
  403 
  404 
  405 ****************************************************************************
  406 *                          Documentation                                   *
  407 ****************************************************************************
  408 
  409 - qmake-manual
  410     * 250370: Added documentation for ICON keyword.
  411 
  412 ****************************************************************************
  413 *                          Plugins                                         *
  414 ****************************************************************************
  415 
  416 - S60 version specific plugins
  417     * Isolated S60 version dependent functionality to S60 version specific
  418       plugins (qts60plugin_x_y.dll) to make it possible for single build to
  419       run on any supported device, even if with reduced functionality on
  420       some.
  421 
  422 ****************************************************************************
  423 *                   Important Behavior Changes                             *
  424 ****************************************************************************
  425 
  426 - Qt libs
  427     * Qt libs are now built with "All -Tcb" capabilities always. It is now
  428       always necessary to run patch_capabilities.pl script if self-signing
  429       of Qt libs is desired.
  430     * QtCore and QtSql made UNPAGED when installed via SIS file as a 
  431       workaround for an obscure crash when they are paged.
  432     * qt_libs.pro updated to reflect Open C dependencies, as Qt requires
  433       1.5.0 and newer release.
  434     * Qt libs are now build with the "STDCPP" mmp flag. On platforms from 
  435       TB9.2, Qt code will throw std::bad_alloc exceptions on allocation
  436       failure.