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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /dist/changes-3.2.0-b1
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+
+Qt 3.2 introduces new features as well as many improvements over the
+3.1.x series. This file gives an overview of the main changes since
+version 3.1.2. For more details, see the online documentation which
+is included in this distribution. The documentation is also available
+at http://qt.nokia.com/doc/
+
+The Qt version 3.2 series is binary compatible with the 3.1.x series.
+Applications compiled for 3.1 will continue to run with 3.2.
+
+****************************************************************************
+* General *
+****************************************************************************
+
+
+Qt library
+----------
+
+New classes have been added to the Qt Library including a
+class to add splash screens to applications (QSplashScreen), a toolbox
+widget that provides a column of tabbed widgets (QToolBox), and a
+class to manage per-thread data storage (QThreadStorage).
+
+The SQL module received a fair bit of attention this time. The most
+notable improvements include a native IBM DB2 driver, complete support
+for stored procedures including the possibility to access
+out-parameters, and native support for 64 bit fields without having to
+convert to or from strings. We also added support for setting
+connection parameters. This way you can, for example, conveniently
+open an SSL connection to a MySQL or PostgreSQL database. If you need
+even more customization, e.g. for an Oracle database, you can set up
+the connection yourself and instantiate a Qt driver object on top of
+it. An extended SQL cursor class has been added that makes it more
+convenient to display result sets from general SQL queries
+(QSqlSelectCursor). In addition, you can add custom database drivers
+without compiling them as plugins (see
+QSqlDatabase::registerSqlDriver()).
+
+QLineEdit, the one-line text editor, now supports validation input
+masks. The feature complements the previous QValidator concept and
+allows e.g. restriction of input to the IP address format (mask
+"990.990.990.990;_"), or to ISO date format (mask "0000-90-90;0").
+
+Qt's unicode code support has been extended. Most notably, full
+support for Indic scripts has been added, covering writing systems
+such as Devanagari, Tamil and Bengali. The group of right to left
+writing systems has been extended with support for Syriac. Both
+improvements are available on both Windows with Uniscribe installed,
+and on Unix/X11 when using XFT with OpenType fonts.
+
+All tool classes that support STL-like iterators with begin() and
+end(), contain two extra functions constBegin() and constEnd(). The
+const versions always return const iterators, and thus can be a little
+bit faster with Qt's implicitly shared containers.
+
+QPainter's complex drawText() function has been highly
+optimized. Despite its support for complex unicode scripts, it now
+performs better than its less unicode-capable counterpart in Qt 2.3.
+
+QPixmap now supports pixmaps with alpha channel (semi transparency) on
+all Windows versions except Windows 95 and Windows NT.
+
+The print dialog now supports "selection" as a print range as well as
+the possibility to enable/disable all different printer options
+individually.
+
+Many classes were improved; see the detailed overview that follows.
+
+Qt Motif Extension
+------------------
+
+Dialog handling has matured and has been extended since the
+extension's introduction in Qt 3.1. The documentation and code
+examples have been improved, including a walkthrough that covers the
+complete migration of a real-world Motif example to Qt. The process
+contains four intermediate steps where the application utilizes both
+toolkits.
+
+ActiveQt Extension
+------------------
+
+Type handling has been extended on both the container and the server
+side. The new supported types are byte arrays and 64bit integers. The
+QAxServer module supports QObject subclasses as return and parameter
+types of slots, and allows error reporting through COM exceptions.
+The Designer integration has been extended to support property dialogs
+implemented by the control server.
+
+Qt Designer
+-----------
+
+The popup menu editor has been rewritten. The new editor provides the
+the ability to add, edit and remove menus and menu items directly in
+the menubar and in the popup menu. Navigation and editing can be done
+using either the mouse or the keyboard.
+
+The new QWidgetContainerPlugin class provides support for complex
+custom container widgets in Designer, such as the custom tab widget,
+etc.
+
+The property editor now allows editing of properties with or'd values
+(sets).
+
+Designer also supports the new QToolBox widget in a similar fashion to
+QTabWidget, etc.
+
+Qt Assistant
+------------
+
+Profiles have been introduced to allow applications to extend the use
+of Qt Assistant as a help system. Profiles describe the documentation
+to use so that only application specific documentation will be
+referenced in an end user installation. Profiles also allow some
+customization of the look in Qt Assistant. For detailed information,
+see the helpdemo example in $QTDIR/examples/helpdemo.
+
+Profiles replace the content files and categories system. The
+following command line options are removed since they no longer serve
+any purpose: addContentFile, removeContentFile, category, and
+disableFirstRun.
+
+Qt Assistant has multiple tabs for browsing, therefore enabling
+multiple pages to be browsed without opening a new window.
+
+It is possible to specify a default home page.
+
+It is possible to specify a PDF reader so that urls to PDF files can
+be opened from Qt Assistant.
+
+****************************************************************************
+* Library *
+****************************************************************************
+
+- QAction / QActionGroup
+ Simplified constructors so that it is no longer necessary to
+ specify texts for buttons and menu items separately.
+ For action groups, we fixed the enable/disable behavior. If
+ an action inside an action group is explicitly disabled, it is
+ no longer implicitly enabled together with the group.
+ This is identical to enabling/disabling widgets and their
+ children.
+
+- QApplication
+ Added the aboutQt() slot for convenience.
+
+- QAssistantClient
+ Added the new function, setArguments(), that invokes Qt
+ Assistant in different modes.
+
+- QAxBase
+ Added the new function, asVariant(), that passes a COM
+ object through dynamicCall().
+
+- QAxBindable
+ Added the new function, reportError(), that sends error
+ information to the ActiveX client.
+
+- QColor
+ Added the new static function, colorNames(), that retrieves a
+ list of all color names known to Qt.
+
+- QDeepCopy
+ Now also supports QDir, QFileInfo, and QStringList.
+
+- QDom
+ Now has long and ulong support for setAttribute() and
+ setAttributeNS().
+
+- QFont
+ Added the new properties: stretch and overline. Added the new
+ function, resolve(), that copies unspecified attributes from
+ one font to another.
+
+- QFontDataBase
+ Added a new overload for families() that restricts the
+ returned list to fonts supporting a specific QFont::Script,
+ e.g. QFont::Greek, QFont::Devanagari or QFont::Arabic.
+
+- QFontInfo / QFontMetrics
+ Added new constructors that force the info and metrics objects
+ to use a given QFont::Script.
+
+- QGLWidget
+ Added a new constructor that takes a QGLContext
+ parameter. Makes the undocumented setContext() obsolete.
+
+- QHeader
+ Added getters for the sort indicator (sortIndicatorSection()
+ and sortIndicatorOrder() ).
+
+- QImage
+ Added a new overload for save() that writes to a given
+ QIODevice*.
+
+- QListView
+ Added tristate support to check list items
+ (QCheckListItem::setTristate()). Added the new function,
+ setSelectionAnchor(), to set the list view's selection anchor
+ explicitly.
+
+- QLineEdit
+ Added input masks: setInputMask(), inputMask(), and
+ hasAcceptableInput().
+
+- QMessageBox
+ Added the new static function, question(), that complements
+ the existing information(), warning() and fatal() functions.
+
+- QMotifDialog [Qt Motif Extension]
+ Now has two distinct modes of operation: 1) it allows a Motif
+ dialog to have a Qt parent, and 2) it allows a Qt dialog to have
+ a Motif parent.
+
+- QPixmapCache
+ Added the new function, remove(), to explicitly remove a
+ pixmap from the cache.
+
+- QPrinter
+ Added the new functions: setPrintRange(), printRange(),
+ setOptionEnabled(), and optionEnabled(). For Windows only,
+ added the new function, setWinPageSize(), that allows setting
+ DEVMODE.dmPaperSize directly.
+
+- QPtrList
+ Added STL-like iterators with begin(), end(), and erase().
+
+- QScrollBar
+ Maintains a user defined size policy when the direction
+ changes.
+
+- QSplashScreen [new]
+ This new widget class provides a splash screen to be shown
+ during application startup.
+
+- QSplitter
+ Added the new properties: opaqueResize, childrenCollapsible,
+ and handleWidth.
+
+- QSqlError
+ Added a couple of convenience functions: text(), which returns
+ the concatenated database and driver texts. showMessage(),
+ which will pop up a QMessageBox with the text that text()
+ returns.
+
+- QSqlQuery
+ Added overloads for the bindValue() call which makes it
+ possible to specifiy what role a bound value should have: In,
+ Out or InOut.
+
+- QSqlSelectCursor [new]
+ This new QSqlCursor subclass provides browsing of general SQL
+ SELECT statements.
+
+- QString
+ Added 64 bit support. Added the new functions: multiArg(),
+ reserve(), capacity(), squeeze(). Added case insensitive
+ overloads for startsWith() and endsWidth().
+
+- QStringList
+ Added the new function gres().
+
+- QStyle
+ Added support for toolbox, header, MDI frame, table grid line
+ color, line edit password character, and message box question.
+
+- QSyntaxHighlighter
+ Added the new function, currentParagraph().
+
+- QTabWidget
+ Added support for custom widgets to be placed beside
+ the tab bar: setCornerWidget() and cornerWidget().
+
+- QTextEdit
+ In Log mode, added the new functions: setMaxLogLines() and
+ maxLogLines().
+
+- QThreadStorage [new]
+ This new tool class provides per-thread data storage, also
+ referred to as thread local storage or TLS.
+
+- QToolBox [new]
+ This new widget class provides a column of tabbed widgets, one
+ above the other, with the current page displayed below the
+ current tab.
+
+- QVariant
+ Added support for LongLong and ULongLong.
+
+- QWidget
+ Added a new widget flag, WNoAutoErase, that combines the now
+ obsolete WResizeNoErase and WRepaintNoErase flags.
+
+- QWidgetContainerPlugin [new]
+ This new plugin class complements QWidgetPlugin for custom
+ container widgets, i.e. widgets that can host child
+ widgets.