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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
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Long live Qt!
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+Qt 3.0 beta 5 is not binary compatible with beta 4; any programs
+linked against beta 4 must be recompiled.
+
+Below you will find a description of general changes in the Qt
+Library and Qt Designer followed by a detailed list of changes in the
+API.
+
+
+The Qt Library
+========================================
+
+Documentation
+-------------
+
+The extensive revision of Qt classes' documentation is complete. The
+front page of the Qt documentation (index.html) has been redesigned
+to provide better access to other documentation than class
+documentation.
+
+OpenGL Module
+-------------
+
+Qt beta 5 provides some fixes which will make rendering GL widgets to
+pixmaps work on a wider range of X servers.
+
+QDateTimeEdit
+-------------
+
+The QDateTimeEdit, QDateEdit and QTimeEdit widgets have been moved
+from the SQL module to the Qt core widget set. All users of Qt can
+now use these widgets.
+
+
+Qt Designer
+========================================
+
+ - Some bugs related to the .ui.h feature were fixed.
+
+ - The generation of code related to QSqlCursor has been fixed.
+
+ - When removing a slot implementation from the Qt Designer
+ interface, do not accidentally remove a preceding comment.
+
+ - Improved the C++ code indenter in the editor for some C++
+ constructs, including try-catch blocks.
+
+
+Qt Linguist
+========================================
+
+ - Fixed problem with loading phrase books containing non-ASCII
+ characters.
+
+
+Qt Classes
+========================================
+
+QApplication
+------------
+
+ - Fixed a clipboard bug related to drag-and-drop on X11.
+
+QColorDialog
+------------
+
+ - Fixed repaint problem.
+
+QComboBox
+---------
+
+ - Never inserts empty strings in the list.
+ - Use the drop-down listbox's size hint in the combobox if the
+ listbox has been set manually.
+
+QComponentInterface
+-------------------
+
+ - This class has been renamed QComponentInformationInterface.
+
+QComponentServerInterface
+-------------------------
+
+ - This class has been renamed QComponentRegistrationInterface.
+
+QDataBrowser
+------------
+
+ - The setCursor() function is obsolete and has been removed due to
+ problems with some compilers. Use setSqlCursor() instead.
+
+QDataTable
+----------
+
+ - Fixed a rare crash when the database is deleted while its popup is
+ still open.
+ - Made setColumnWidth() a public slot like in the base class.
+ - The setCursor() function is obsolete and has been removed due to
+ problems with some compilers. Use setSqlCursor() instead.
+
+QDateTimeEdit
+-------------
+
+ - Fixed the minimumSizeHint() for better behavior in a layout.
+
+QDom
+----
+
+ - Added a sanity check.
+
+QFileDialog
+-----------
+
+ - Fixed a crash in MotifPlus style.
+ - Use the existing file-icon provider rather than the default
+ Windows one if one is set.
+
+QFont
+-----
+
+ - Fixed background color for more than 8 bits per channel.
+ - Added the font's pixel size to the value returned by key().
+
+QFtp
+----
+
+ - Correcty sets the default password to "anonymous".
+
+QGL
+---
+
+ - Added robustness on X11 for invalid pixmap parameters.
+
+QImage
+------
+
+ - Fixed loading of BGR BMP files.
+ - Changed the signature of the constructor to accept "const char *
+ const *" objects without a cast.
+
+QLatin1Codec
+------------
+
+ - Provide the missing mimeName().
+
+QLibrary
+--------
+
+ - Construct Unix-specific filenames correctly.
+
+QLineEdit
+---------
+
+ - Fixed offset for right-aligned text.
+
+QListView
+---------
+
+ - Fixed a bug with in-place renaming.
+
+QMime
+-----
+
+ - Fixed infinite loop when searching for a mime-source.
+
+QMutex
+------
+
+ - Unlock the Qt library mutex when enter_loop() is called the first
+ time, rather than when exec() is called. A programmer might call
+ QDialog::exec() and never QApplication::exec(), and then she will
+ wait for the mutex.
+
+QPixmap
+-------
+
+ - Do transformations correctly on big-endian systems.
+
+QPrinter
+--------
+
+ - Respect the PRINTER environment variable on X11, as stated in the
+ documentation.
+ - Work around a display-context bug on Windows 95 and 98.
+
+QProcess
+--------
+
+New functions:
+ void clearArguments();
+ int communication() const;
+ void setCommunication( int c );
+
+QProgressBar
+------------
+
+ - Fixed bug in repainting when a background pixmap is set.
+
+QPtrList
+--------
+
+ - Reverted a semantics change introduced in beta 4 when deleting the
+ current item.
+
+QRegExp
+-------
+
+ - Fixed matchedLength() when used with exactMatch(). This bug
+ affected QRegExpValidator.
+
+QRichText
+---------
+
+ - Added support for "color" attribute in <hr> tag.
+ - Fixed selectedText().
+
+QSqlCursor
+----------
+
+ - Don't generate calculated fields.
+
+QStatusBar
+----------
+
+ - Made addWidget() and removeWidget() virtual.
+
+QSpinBox
+--------
+
+ - Fixed the minimumSizeHint() for better behavior in a layout.
+
+QStyle
+------
+
+ - Allow separator custom menu items to use a different size than
+ specified by the style.
+
+Qt
+--
+
+ - Renamed Qt::Top, Qt::Bottom, Qt::Left, Qt::Right to Qt::DockTop,
+ Qt::DockBottom, Qt::DockLeft, Qt::DockRight.
+
+QTable
+------
+
+ - Fixed currentChanged() and valueChanged() emits.
+
+QTextEdit
+---------
+
+ - Moved eventFilter() from the public slots section to the public
+ section of the class definition.
+ - Reformat after changing tab-stop size.
+ - Implemented undo for clear().
+
+New function:
+ void zoomTo( int size );
+
+QTextIStream
+------------
+
+ - Fixed QTextIStream with a QString.
+
+QToolBar
+--------
+
+ - Fall back to text property in extension popup if no pixmap label
+ has been set.
+ - Made mainWindow() const.
+
+QToolButton
+-----------
+
+ - Fixed the minimumSizeHint() for better behavior in a layout.
+
+QToolTip
+--------
+
+ - Fixed the transparent tooltip effect a la Windows 2000.
+
+QUrl
+----
+
+ - Fixed the return value of QUrl::dirPath() on Windows.
+ - Set ref to nothing when merging URLs.
+
+QUrlOperator
+------------
+
+ - Added a default parameter for single copy to specify the "to" file
+ name and not just the file path.
+
+New function:
+ QPtrList<QNetworkOperation> copy( const QString& from,
+ const QString& to, bool move, bool toPath );
+
+QValueList
+----------
+
+ - Added a return value to remove(), as stated in the documentation.
+
+QWidget
+-------
+
+ - Fixed a bug in QPainter on X11 that caused a crash when paint
+ events were dispatched from other paint events.
+ - Fixed showMaximized() and deferred map handling.
+ - When specifying WDestructiveClose as a widget flag,
+ QWidget::close() does not immediately delete the widget anymore, but
+ calles QObject::deferredDelete()
+
+
+QWorkspace
+----------
+
+ - Fixed cascade().