Long live Qt 4.5!

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+Qt 3.0 Beta3 is not binary compatible with Beta2, this means that any
+programs linked with Beta2 must be recompiled.
+
+Below you'll find a description of general changes in the Qt Library
+and Qt Designer followed by a detailed list of changes in the
+programming API.
+
+
+The Qt Library
+========================================
+
+Documentation
+-------------
+
+Overall enhancements include fixed typos, corrected grammar and
+spelling, and the addition of several images and code examples. Most
+classes now have useful detailed descriptions. Documentation accuracy
+and usability has been generally improved.
+
+Styles
+------
+
+In Qt 3.0.0 Beta2, only the Windows and Motif styles were implemented with
+the new style API. Now the missing styles (MotifPlus, Platinum, SGI and
+CDE) are included.
+
+MNG
+---
+
+Updated the libmng that is shipped with Qt to version 1.0.2.
+
+Wacom Tablet Support
+--------------------
+
+Fixes for Windows to solve the problem of creating a context for every
+widget and the problem of opening the dialog and losing the ability to use
+the tablet afterwards.
+
+
+Qt Designer
+========================================
+
+ - Added the ability to sort the property editor either by category
+   (default and old behaviour) or alphabetically.
+
+ - Added the option "-nofwd" to uic which supresses the generation of
+   forward declarations for custom classes in the generated output.
+
+-  The way how custom slots and editing these slots directly in the Qt
+   Designer is handled has been changed. Originally the code for these
+   slots was saved into the .ui XML file together with the user
+   interface description and the uic did put this code into the
+   generated source files.
+   Now, if code of custom slots is edited directly in the Qt Designer,
+   additionally to the <filename>.ui of a form, a <filename>.ui.h file
+   is created. The code is written into this source file now instead
+   of the .ui file.
+   This way the code of custom slots can be also easily edited outside
+   the Qt Designer without subclassing, and it is possible to edit it
+   both, in the Qt Designer and outside the Qt Designer without
+   conflicts, as this is a plain text C++ file.
+   Uic now automatically includes this source file into the generated
+   sources (if it exists) and, in this case, does not create empty
+   stubs for the custom slots in the generated sources anymore. So
+   this code file has not to be added to the project Makefile. If the
+   source file does not exist, uic falls back to the old behavior and
+   creates the empty stubs in the generated source.
+   If a user does not want to subclass to implement the custom slots,
+   but also does not want to edit the code of the custom slots in the
+   Qt Designer, it is possible to always create the <formname>.ui.h
+   for a form (even if it was not edited in the Qt Designer) and edit
+   that file in a seperate editor. This feature can be configured in
+   the project settings dialog.
+   This way, the old approach of subclassing keeps working (and all
+   old .ui files keep working without any change). Also, for users of
+   the previous Qt 3.0 Beta versions, Qt Designer can still read the
+   .ui files which contain code. So also .ui files created with Qt 3.0
+   Beta versions of the Qt Designer keep working without any change.
+   Details about the possible concepts which can be used to add code
+   to a form created by the Qt Designer (subclassing and uic +
+   <filename>.ui.h) and related information about project management
+   can be found in the chapter about new features in Qt Designer 3.0
+   in the Qt Designer manual.
+
+
+Qt Functions
+========================================
+
+QApplication
+------------
+
+ - flush() no longer calls sendPostedEvents(), as this might be unsafe
+   under certain circumstances.
+
+QDataTable
+----------
+
+ - Now uses the new row selection mode of QTable.
+
+QDomDocument
+------------
+
+ - Fixed the toString() function to work properly with namespaces.
+ - In Qt 3.0.0 Beta2, there was a workaround for Microsoft's XML parser,
+   so that the toString() function did not output a doctype that consists
+   only of the name. This workaround is semantically wrong; it was
+   reverted.
+
+QDateEdit
+---------
+
+ - Fixed wrong default size policy and missing size hint.
+ - Improved focus and tab handling.
+
+QEffects
+--------
+
+ - Tooltips and popup menus scroll and fade again
+
+QTable
+------
+
+ - Fixed right mouse button handling.
+ - Implemented row selection modes. This implied adding the new enum values
+   SingleRow and MultiRow to the enum SelectionMode.
+ - Doubleclick clears selections completely now.
+ - Allow different focus styles, namely FollowStyle (draw it as the style
+   tells you) and SpreadSheet (draw it as it is done in common spreadsheet
+   programs).
+
+New functions:
+	virtual void setFocusStyle( FocusStyle fs );
+	FocusStyle focusStyle() const;
+	virtual QRect cellRect( int row, int col ) const;
+
+QTimeEdit
+---------
+
+ - Fixed wrong default size policy and missing size hint.
+ - Improved focus and tab handling.
+
+QTextEdit
+---------
+
+ - QTextCursor is an internal class, so the signal
+   cursorPositionChanged(QTextCursor*) is only of limited use. Added a
+   more useful signal in addition.
+
+ - Overrides accelerators for all shortcuts used to edit text.
+
+New signal:
+	void cursorPositionChanged( int para, int pos );
+
+QLineEdit
+---------
+
+ - Overrides accelerators for all shortcuts used to edit text.
+
+QLibrary
+--------
+
+ - Static overload for resolve as a convenience function.
+
+New function:
+	static void *resolve( const QString &filename, const char * );
+
+QListView
+---------
+
+ - A bug that was introduced in Qt 3.0.0 beta 2 made listviews with
+   lots of items very slow. This problem has been fixed.
+
+QProcess
+--------
+
+ - exitStatus() did not work for negative values on Unix. This is fixed
+   now.
+ - Fixed problems on Unixware.
+
+QRichtext
+---------
+
+ - Fixed searching backwards.
+ - Fixed some BIDI text-rendering problems.
+
+QSound
+------
+
+ - Simplified the API to allow easier extension.
+
+New functions:
+	bool isAvailable();
+	int loops() const;
+	int loopsRemaining() const;
+	void setLoops(int);
+	QString fileName() const;
+	bool isFinished() const;
+
+New slot:
+	void stop();
+
+Removed function:
+	bool available();
+
+QSpinBox
+--------
+
+ - Spin box arrows were not updated correctly when the widget was
+   disabled/enabled. This problem is fixed now.
+ - Improved handling of the case when a spinbox accepts a value: now it
+   also accepts it if the spinbox loses focus or is hidden.
+
+QSqlCursor
+----------
+
+ - Add functions to set the generated flag. This is used to avoid the
+   generation of malformed SQL statements.
+
+New functions:
+	void setGenerated( const QString& name, bool generated );
+	void setGenerated( int i, bool generated );
+
+QSqlDriver
+----------
+
+ - Add new function hasFeature( QSqlDriver::DriverFeature ) const which
+   allows you to query whether the driver supports features like SQL
+   transactions or Binary Large Object fields. The functions
+   hasQuerySizeSupport(), canEditBinaryFields() and hasTransactionSupport()
+   are therefore obsolete and have been removed.
+
+New function:
+	bool hasFeature( QSqlDriver::DriverFeature ) const;
+
+Removed functions:
+	bool hasQuerySizeSupport() const;
+	bool canEditBinaryFields() const;
+	bool hasTransactionSupport() const;
+
+QSqlField
+---------
+
+ - The bool argument of setNull() was removed since it does not make sense
+   to set a field to non null.
+
+QTabWidget
+----------
+
+ - Use the functions below to add tool tips to the individual tabs in a
+   QTabWidget.
+
+New functions:
+	void removeTabToolTip( QWidget * w );
+	void setTabToolTip( QWidget * w, const QString & tip );
+	QString tabToolTip( QWidget * w ) const;
+
+QTabBar
+-------
+
+ - Use the functions below to add tool tips to the individual tabs in a
+   QTabBar.
+
+New functions:
+	void removeToolTip( int id );
+	void setToolTip( int id, const QString & tip );
+	QString toolTip( int id ) const;
+
+QTextStream
+-----------
+
+ - The global functions setw(), setfill() and setprecison() were deleted
+   since they conflict with the std classes. If you need the functionality,
+   use qSetW(), qSetFill() and qSetPrecision() instead.
+
+Removed functions:
+	QTSManip setw( int w )
+	QTSManip setfill( int f )
+	QTSManip setprecision( int p )