38be0d1383
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
555 lines
16 KiB
Plaintext
555 lines
16 KiB
Plaintext
Qt 4.1 introduces many new features as well as many improvements and
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bugfixes over the 4.0.x series. For more details, see the online
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documentation which is included in this distribution. The
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documentation is also available at http://qt.nokia.com/doc/
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The Qt version 4.1 series is binary compatible with the 4.0.x series.
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Applications compiled for 4.0 will continue to run with 4.1.
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****************************************************************************
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* General *
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****************************************************************************
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Qt library
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----------
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- Integrated support for rendering Scalable Vector Graphics (SVG)
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drawings and animations (QtSvg module).
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- A Portable Document Format (PDF) backend for Qt's printing system.
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- A unit testing framework for Qt applications and libraries.
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- Modules for extending Qt Designer and dynamic user interface
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building.
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- New proxy models to enable view-specific sorting and filtering of
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data displayed using item views.
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- Additional features for developers using OpenGL, such as support
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for pixel and sample buffers.
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- A flexible syntax highlighting class based on the Scribe rich text
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framework.
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- Support for network proxy servers using the SOCKS5 protocol.
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- Support for OLE verbs and MIME data handling in ActiveQt.
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Qt Designer
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-----------
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- Added support for editing menu bars and tool bars.
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- Added support for adding comments to string properties.
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- Added new static QtForm library with improved
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QForm::Loader API for loading designer forms at run-time.
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- Added support for namespaces in uic generated code.
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- Added support for dock widgets in main windows.
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- Added support for editing table, tree and list widgets.
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- Improved palette editing and resource support.
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QTestLib
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--------
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- Added QTestLib, the Qt Unit Testing Library. See the "QTestLib" chapter
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in the Qt documentation for more information.
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- Users of older versions of QtTestLib can use the updater utility in
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tools/qtestlib/updater to convert existing autotests to work with QTestLib.
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Boost
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-----
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Added boost compatible syntax for declaring signals and slots. If you
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define the macro QT_NO_KEYWORDS "Q_SIGNALS" and "Q_SLOTS" are
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recognized as keywords instead of the default "signals" and "slots".
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ActiveQt
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--------
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QAxServer now supports mime-type handling - a ActiveX control can be
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registered to handle a certain file extension and mime-type, in which case
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QAxBindable::load and QAxBindable::save can be reimplemented to serialize
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the object.
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Build system
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------------
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Added support for linking static plugins into the application.
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Qt 3 to 4 Porting Tool
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----------------------
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Q(V|H)BoxLayout and QGridLayout usage is now ported to use
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Q3(V|H)BoxLayout/Q3GridLayout, to retain the margin/spacing
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behavior as in Qt 3.
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Meta Object Compiler (moc)
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--------------------------
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- Added support for const signals.
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Qt Assistant
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------------
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- Added -docPath command line option for easy setting of the
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document root path.
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QMake
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-----
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- Added support for new FORMS3 profile variable to make it possible
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to have Qt Designer forms from Qt 3 and Qt 4 in the same project.
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- Added support for precompiled headers on win32-g++ (MinGW)
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Compilers
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---------
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Added support for Solaris 10 on AMD64 with the compiler provided by
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Sun.
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****************************************************************************
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* Library *
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****************************************************************************
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New classes
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-----------
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- QTreeWidgetItemIterator
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Added iterator to help iterating over items in a QTreeWidget.
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- QSortingProxyModel
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The QSortingProxyModel can contain another model and handles
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the sorting of it.
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- QFilteringProxyModel
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Allows you to provide a subset of a model to a view.
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- QStringFilterModel
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Allows you to provide a subset of a model to a view based on a
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regular expression.
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- QSyntaxHighlighter
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The QSyntaxHighlighter class allows you to define syntax
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highlighting rules.
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- QAbstractFileEngine
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A base class for implementing your own file and directory handling
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back-end for QFile, QFileInfo and QDir.
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- QAbstractFileEngineHandler
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For registering a QAbstractFileEngine subclass with Qt.
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- QFSFileEngine
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The default file engine for regular file and directory access in Qt.
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- Q3(H|V)BoxLayout and Q3GridLayout
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Layout classes provided for compatibility that behave the same
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as the Qt 4 classes but use a zero margin/spacing by default,
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just like in Qt 3.
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- Added qFromLittleEndian, qToLittleEndian, qFromBigEndian and
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qToBigEndian endian helper conversion functions (qendian.h)
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- Q_EXPORT_PLUGIN2 macro
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Obsoletes Q_EXPORT_PLUGIN and allows static linking of
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plugins.
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- Q3ComboBox
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For enhanced backwards compatibility with Qt 3.
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- QGLPbuffer
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For creating and managing OpenGL pixel buffers.
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- QNetworkProxy
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For setting up transparent (SOCKS5) networking proxying.
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- QDirectPainter (Qtopia Core only)
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Provides direct access to video framebuffer hardware.
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General improvements
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--------------------
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- QByteArray
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Added toLong() and toULong().
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- QFileDialog
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Fix shortcut and focus for "Alpha channel" spinbox.
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- QLinkedList
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Added conversion methods to convert from/to STL lists.
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- QMap/QHash
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Fixed operator>>() to read back multiple values associated
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to a same key correctly.
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Added constFind(), for finding an item without causing a detach.
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- QMap/QHash
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Const-correctness in const_iterator's operator--(int).
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- QMainWindow
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The saveState() and restoreState() functions no longer
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fallback to using the windowTitle property when the objectName
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property is not set on a QToolBar or QDockWidget; this
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behavior was undocumented and has been removed.
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- QToolBar
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Added Qt 3 compatibility signal visibilityChanged(bool).
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- QMetaType
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Class is now fully reentrant.
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Metatypes can be registered or queried from multiple threads.
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Added qMetaTypeId<T>(), which returns the meta type ID of T at compile time.
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- QMetaProperty
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Added isResettable().
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- QSql
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Oracle plugin adds support for authentication using external credentials.
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Added isValid() to QSqlError.
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- QThread
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Added setPriority() and priority(), for querying and setting
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the priority of a thread.
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- QTreeWidgetItem/QTreeWidget
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Added new constructors and addChildren(), insertChildren(),
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takeChildren(), insertTopLevelItems(), addTopLevelItems to
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speed up insertion of multiple items.
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- QTextDocument
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Added the class QTextBlockUserData and added the possibility
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of storing a state or custom user data in a QTextBlock
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Added useDesignMetrics property, to enable the use of design metrics for
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all fonts in a QTextDocument.
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- QTextFormat
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Added support for setting the font pixel size.
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Added UserObject to QTextFormat::ObjectTypes enum.
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- QMetaType
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The value of QMetaTypeId<T>::Defined indicates whether a given type T is
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supported by QMetaType.
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- QAbstractItemView
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Added setIndexWidget() and indexWidget() which makes it
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possible to set a widget at a given index.
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Added a QAbstractItemView::ContiguousSelection mode.
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Added scrollToTop() and scrollToBottom().
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- QAbstractItemModel
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Added a SizeHintRole that can be set for each item. The item
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delegate will now check for this value before computing the
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size hint based on other item data.
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Add QModelIndex::operator<() so we are able to use them in
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QMap and other containers.
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Added qHash function for QModelIndex.
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- QTableWidget
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Added cellWidget() and setCellWidget() which makes it possible
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to set a widget at a specified cell.
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Added setCurrentCell().
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Added QTableWidgetItem copy constructors.
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- QTreeWidget
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Added setItemWidget() and itemWidget() which makes it possible
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to set a widget on an item.
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- QListWidget
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Added setItemWidget() and itemWidget() which makes it possible
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to set a widget on an item.
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Added QListWidgetItem copy constructors.
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- QMutableMapIterator
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Added value() overloads to Java-style iterators that return
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non-const references.
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- QTextTable
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Added mergeCells() and splitCells() to be able to set the row
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or column span on a table cell.
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- QStyle
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Added standardIcon() which returns a default icon for standard
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operations.
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Added State_ReadOnly, which is enabled for read-only widgets.
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Renamed QStyleOption::init() to initFrom().
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- QGroupBox is now completely stylable (QStyleOptionGroupBox)
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- Indeterminate (busy) progress bars are now animated properly
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in all styles.
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Added PM_DockWidgetTitleMargin as pixel metric.
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- QHash
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Make it possible to use QHash with a type that has no default
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constructor.
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- QTableView
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Made QTableView::setShowGrid() a slot, like in Qt 3.
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Added setRowHeight() and setColumnWidth().
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- QTableWidgetSelectionRange
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Added rowCount() and columnCount() convenience functions.
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- QSettings
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Added support for custom formats in QSettings.
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- QTextStream
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Added status(), setStatus() and resetStatus() for improved error handling.
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Added read(qint64 maxlen), for reading parts of a text stream into a
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QString.
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- QTextCursor
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Added support for BlockUnderCursor selection type.
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- QHeaderView
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Added defaultSectionSize property which tells the default size
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of the header sections before resizing.
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- QScrollBar
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Added context menu to the scrollbar with default navigation
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options.
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- QScrollArea
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Added ensureVisible(), which can scroll the scrollarea to make sure a
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specific point is visible.
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- QDateTime
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Added addMSecs(), which adds a number of milliseconds to the QDateTime.
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- QDateTimeEdit
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Added support for more date/time formats.
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Now allows multiple sections of the same type.
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- QButtonGroup
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Added handling of buttons with IDs to the buttongroup like in
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Qt 3.
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- QIODevice
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Added peek() for peeking data from a device.
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- QTextEdit
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Added property tabStopWidth which sets the tab stop width in
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pixels.
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append(const QString &) is now a public slot.
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Added support for inserting Unicode control characters through the
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context menu.
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Added property acceptRichText, for whether or not the text edit
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accepts rich text insertions by the user.
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Added overwriteMode property.
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- QDataStream
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Added skipRawData().
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Added support for QRegExp.
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- QProgressBar
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Added support for vertical progress bars.
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- QImageIOHandler
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The name() function has been obsoleted; use format() instead.
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Added QImageIOHandler::Animation, for determining if the image format
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supports animation.
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Added QImageIOHandler::BackgroundColor, for setting the background
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color for the image loader.
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- QImageReader
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Added setBackgroundColor() and backgroundColor(), for setting the
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background color of an image before it is read.
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Added supportsAnimation(), for checking if the image format supports
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animation.
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- QImageWriter
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Added support for saving image text.
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- QLocale
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Added dateFormat()/timeFormat() to query the date/time format for the
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current locale.
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Added toString() overloads for localized QTime and QDate output.
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Added decimalPoint(), groupSeparator(), percent(), zeroDigit(),
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negativeSign() and exponential(), which provide a means to generate
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custom number formatting.
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- QHostInfo
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Added support for reverse name lookups.
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- QHostAddress
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Added a QString assignment operator
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Added convenience functions for initializing from a native sockaddr
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structure.
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Added support for the IPv6 scope-id.
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- QPrinter
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Added property "embedFonts" for embedding fonts into the target
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document.
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Added support for printing to PDF.
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Added support for custom print and paint engines
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- QPrintEngine
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Added PPK_SuppressSystemPrintStatus, for suppressing the printer
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progress dialog on Mac OS X.
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- QKeySequence
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Added fromString() and toString() for initializing a key sequence
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from, and exporting a key sequence to a QString.
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- QUrl
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Added the port(int) function, which provides a default value for the
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port if the URL does not define a port.
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Support for decoding Punycode encoded hostnames in URLs.
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Made the parser more tolerant for mistakes, and added a ParsingMode
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flag for selecting strict or tolerant parsing.
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Added support for the NAMEPREP standard in our i18n domain name support.
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- QDir
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Added the filter QDir::NoDotAndDotDot, for the
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special directories "." and "..".
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Added the filter QDir::AllEntries, for all entries
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in a directory, including symlinks.
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- QAbstractSocket
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Added slots connectToHostImplementation() and
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disconnectFromHostImplementation() to provide polymorphic behavior for
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connectToHost() and disconnectFromHost().
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- QMenuBar
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Added setActiveAction(), which makes the provided action
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active.
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- QProxyModel
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This class has been obsoleted (see QAbstractProxyModel)
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- QWidget
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Now supports three modes of modality: NonModal, WindowModal and
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ApplicationModal.
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Added Qt::WindowModality, obsoleted WA_ShowModal and WA_GroupLeader.
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Added Qt::WA_OpaquePaintEvent widget attribute, obsoleting Qt::WA_NoBackground.
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Added boolean autoFillBackground property.
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Child widgets now always inherit the contents of their parent.
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- QPalette
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Added QPalette::Window (obsoletes Background) and
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QPalette::WindowText (obsoletes Foreground).
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- QHttpResponseHeader
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Added two constructors and the function setStatusLine() for generating
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a response header.
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- QBitArray
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Added count(bool), for counting on and off-bits in a bit array.
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- QVariant
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Added support for QRegExp
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- QRegExpValidator
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Added the property "regExp".
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- QTabBar
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Added the property "iconSize", for setting the size of the icons on
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the tabs.
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- QLineEdit
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Added support for inserting Unicode control characters through the
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context menu.
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- QString
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Added toLong() and toULong().
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Support for std::string conversions with embedded \0 characters.
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- QRegion
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Added translate(), like QRect::translated().
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- QProcess
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Added systemEnvironment(), which returns the environment variables
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of the calling process.
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Added exitStatus(), and added a new finished() signal which takes the
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exit status as a parameter.
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- QComboBox
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Made setCurrentIndex() a slot.
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- QFontDataBase
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Added styleString(), for retrieving the style string from a QFontInfo.
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Added support for Myanmar fonts.
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- QFontMetrics
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Added xHeight(), which returns the 'X' height of the font.
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- QCoreApplication
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Added arguments(), which returns a list of command line arguments as a
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QStringList.
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- QTcpSocket
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Added support for SOCKS5 via setProxy().
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- QUdpSocket
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Added property "bindMode", for binding several sockets to the same
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address and port.
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- QPen
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Added support for custom dash pattern styles and miter limits.
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Added support for QDebug.
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- QDebug
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Added support for QVector and QPair output.
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- QStringListModel
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Added support for sorting.
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- QOpenGLPaintEngine
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Gradients in the OpenGL paint engine are now drawn using
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fragment programs, if the extension is available. Lots of
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fixes, speedups and tweaks.
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Platform-Specific changes
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-------------------------
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Windows:
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- Painting
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Added support for ClearType text rendering.
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- File Engine
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Added support for long filenames/paths.
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X11:
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- QWidget
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Added support for freedesktop.org startup notifications.
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Mac OS X:
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- Improved support for the VoiceOver accessibility tool in Mac OS 10.4
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and later
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3rd-party libraries
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-------------------
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- zlib
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Upgraded to zlib 1.2.3.
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- FreeType
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Upgraded to FreeType 2.1.10.
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- SQLite
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Upgraded to SQLite 3.2.7
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