Qt 3.0 Beta6 is not binary compatible with Beta5; any programs linked+ −
against Beta5 must be recompiled.+ −
+ − Below you will find a description of general changes in the Qt+ −
Library, Qt Designer and Qt Assistant. Followed by a detailed list of+ −
changes in the API.+ −
+ − + − The Qt Library+ −
========================================+ −
+ − QCom postponed+ −
--------------+ −
+ − Previous Qt 3.0 betas introduced a module called QCom that provides a+ −
COM-like component system. The feedback we received on this module+ −
during the 3.0 beta phase has been mixed. Many users think this module+ −
lacks the intuitiveness and compactness that they have learned to+ −
expect from a Qt API. Therefore, we have made the difficult decision+ −
to withdraw the QCom API from the Qt 3.0 release. We will continue to+ −
develop this API until it is evolved enough for our customers, and+ −
will include the improved version in a later release.+ −
+ − We apologize for any inconvenience the QCom API change has+ −
caused. This decision was made as part of our ongoing efforts to+ −
maintain the soundness and quality of Qt.+ −
+ − Please note that the new plugin functionality in 3.0 will still be+ −
provided. This includes using custom widgets in Qt Designer, as well+ −
as runtime addition of styles, codecs, SQL drivers, and image format+ −
handlers. This functionality is now available through a substantially+ −
simplified API.+ −
+ − Also also note that it will still be convenient to add custom plugin+ −
capabilities to Qt 3.0 applications, since the new QLibrary class will+ −
still be available. This class takes care of the low-level,+ −
platform-dependent issues regarding loading of DLLs and obtaining+ −
pointers to the functions exported by the DLLs.+ −
+ − + − Qt Designer+ −
========================================+ −
+ − - Improvements to the Designer reference manual.+ −
+ − - Improved the C++ code indenter in the editor for numbers and+ −
handling of parenthesis.+ −
+ − + − Qt Assistant+ −
========================================+ −
+ − - Added a context menu with common commands.+ −
+ − - Allow multiple windows to be opened and added the common shortcut+ −
that Shift+Click on a link opens the link in a new window.+ −
+ − + − Qt Functions+ −
========================================+ −
+ − QAccel+ −
------+ −
+ − - Try harder to ensure that accelerators continue to work when a top+ −
level widget is reparented into another window.+ −
+ − QColor+ −
-----+ −
+ − - X11 only: better heuristic to decide if you use black or white when a+ −
color could not be allocated.+ −
- win32 only: improve color allocation on 8bit displays, e.g. when+ −
using a terminal server.+ −
+ − QComboBox+ −
---------+ −
+ − - Added a new function to be able to set a custom line edit.+ −
+ − New function:+ −
virtual void setLineEdit( QLineEdit *edit );+ −
+ − QCString+ −
--------+ −
+ − - Implemented a dummy out-of-line destructor for QCString to help the+ −
compiler to optimize the number of conflicts as the location of a vtable+ −
is now known.+ −
+ − QCursor+ −
-------+ −
+ − - win32 only: Added a constructor that takes a platform specific handle.+ −
+ − New function:+ −
QCursor( HCURSOR ); (win32 only)+ −
+ − QDateTime and QDateTimeEdit+ −
---------------------------+ −
+ − - win32 only: better handling of localization settings.+ −
+ − QDockWindow+ −
-----------+ −
+ − - Remeber last size of an undocked window, so when it is docked and+ −
undocked again, use this size again.+ −
+ − QDom+ −
----+ −
+ − - Fixed an infinite loop in QDomDocument::toString().+ −
+ − QFileDialog+ −
-----------+ −
+ − - Improved handling of "~" to make it work as a directory.+ −
+ − QFileInfo+ −
---------+ −
+ − - win32 only: permissions respects the read-only attribute now.+ −
+ − QIconView+ −
---------+ −
+ − - Added a function to find out whether an item in a view is currently+ −
being renamed.+ −
- Fixed a crash.+ −
+ − New function:+ −
bool isRenaming() const;+ −
+ − QInputDialog+ −
------------+ −
+ − - Improved the handling of double input formats.+ −
+ − QListView+ −
---------+ −
+ − - Added a function to find out whether an item in a view is currently+ −
being renamed.+ −
- Fixed a possible infinite loop.+ −
- Improved spacing handling for columns that can show a sort indicator.+ −
+ − New function:+ −
bool isRenaming() const;+ −
+ − QMainWindow+ −
-----------+ −
+ − - Make menuAboutToShow() protected to allow customized dock menus.+ −
- Fixed spacing problem for menu bars.+ −
+ − QMap+ −
----+ −
+ − - Fixed infinite looping in count( const Key& k ).+ −
+ − QObject+ −
-------+ −
+ − - The slot deferredDelete() was renamed to deleteLater() to be more+ −
intuitive. Code that used deferredDelete() has to be adjusted for the+ −
new name.+ −
+ − New function:+ −
void deleteLater();+ −
+ − QPainter+ −
--------+ −
+ − - Fixed bounding rectangle when printing richtext.+ −
- Restore brush origin in QPainter::restore().+ −
+ − QPixmap+ −
-------+ −
+ − - X11 with render extension only: better support for alpha blending:+ −
- QPixmap::xForm() keeps now the alpha channel information+ −
- alpha channel information is kept when copying QPixamps+ −
- alpha blending works with QMovie+ −
- tiling pixmaps with alpha channel works now+ −
+ − QPrinter+ −
--------+ −
+ − - Unix only: fixed dashed line drawing when using high resolution+ −
printing.+ −
- Better printing detection on Irix.+ −
+ − QRadioButton+ −
------------+ −
+ − - Fixed focus problem for radio buttons in a button group.+ −
+ − QSqlCursor+ −
----------+ −
+ − - Fixed primeInsert() to work if the primary key of the edit buffer has+ −
changed.+ −
- Changing primary index keys now also works if the cursor's position+ −
moved in the meantime.+ −
+ − QStyle+ −
------+ −
+ − - Added a base value (CC_CustomBase) for custom defined primitives,+ −
controls, etc. -- this allows custom widgets to use the new style+ −
engine.+ −
- Fixed spacing problem for custom menu items.+ −
- Improved the look of the Motif plus and the SGI style.+ −
+ − QTable+ −
------+ −
+ − - Fixed a crash when drag source is the current table editor widget.+ −
- Fixed a bug that prevented having different colors in different cells.+ −
+ − QTabletEvent+ −
------------+ −
+ − - Improved Watcom tablet support to allow multiple devices to be used.+ −
+ − QTextEdit+ −
---------+ −
+ − - Better handling for font sizes in the font tag.+ −
- Parse the qt tag again.+ −
- Fixed text() for read-only documents.+ −
- Improved right mouse button menu handling.+ −
- New function to pass the position to the createPopupMenu() function for+ −
improved flexibility.+ −
+ − New function:+ −
virtual QPopupMenu *createPopupMenu( const QPoint& pos );+ −
+ − QThread+ −
-------+ −
+ − - Unix only: Make sure that the seconds and nano-seconds in the sleep+ −
functions are within the limits.+ −
+ − QUrlInfo+ −
--------+ −
+ − - Added the concept of invalid QUrlInfo objects. This is useful in+ −
conjunction with QUrlOperator::info().+ −
+ − New function:+ −
bool isValid() const;+ −
+ − QWizard+ −
-------+ −
+ − - Set the previous pages nextEnabled to TRUE if we add a page to the end+ −
of a wizard.+ −
+ − QWMatrix+ −
--------+ −
+ − - mapRect() returns always a valid QRect now.+ −
+ − QWorkspace+ −
----------+ −
+ − - Update the titlebar when toggling shaded/non-shaded.+ −
- Update the titlebar to be deactivated when the application's activation+ −
status changes.+ −
- Improve placement of document windows.+ −