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Qt 2.0 Beta2 is not binary compatible with Beta1, this means that any
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programs linked with Beta1 must be recompiled.
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The most important fixes since Beta 1:
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configure
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Fixed the libzlib typo.
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Added -lflags argument.
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Platforms
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Fixes for Borland C++, Solaris and AIX
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QFileDialog
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Several user interface improvements
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QPrinter
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Plain text printing works again.
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Multiple page printing fixed.
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QWidget
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New widget flag WStyle_Dialog
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Major changes since 1.4x:
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The Qt version 2.x series is not binary compatible with the 1.x
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series. This means programs compiled with Qt version 1.x must be
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recompiled to work with Qt 2.0.
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Qt 2.0 is mostly, but not completely, source compatible with Qt 1.x.
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See the document "Porting from Qt 1.x to Qt 2.0" in the Online
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Reference Documentation for information on how to port an existing
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Qt 1.x-based program to Qt 2.0.
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****************************************************************************
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* New classes *
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****************************************************************************
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* Support for generalized configrable styles:
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QStyle and subclasses
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* Support for international software development:
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QTranslator and the QObject::tr() function
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QTextCodec (and subclasses)
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QString - a Unicode string
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QChar - a Unicode character
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* Convenient and powerful new collection classes:
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QMap<Key,Type> - QDict with arbitrary keys
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QValueList<Type> - QList of types other than pointers
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QStringList - QValueList<QString> with helper functions
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* Dialogs
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QColorDialog - user picks a color
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QFontDialog - user picks a font
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QWizard - framework for leading users through steps
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* Layout
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QGrid/QHBox/QVBox - grid and boxes of widgets automatically assembled
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QHGroupBox/QVGroupBox - easy framed groups of widgets
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* PNG Support
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PNG support is always compiled into Qt
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* Rich Text
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QTextView - formatted text and images
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QTextBrowser - navigate formatted text and images
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QStyleSheet - define your own XML formatting tags
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QSimpleRichText - display rixh text anywhere
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* Session management
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QSessionManager - safe state when system shuts down
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****************************************************************************
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* Major changes in existing classes *
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****************************************************************************
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QString is now 16-bit Unicode.
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QPoint, QPointArray, QSize and QRect now have 32-bit coordinates. |