Qt 4.2.3 is a bug-fix release. It maintains both forward and backward+ −
compatibility (source and binary) with Qt 4.2.0.+ −
+ − The Qt version 4.2 series is binary compatible with the 4.1.x and 4.0.x+ −
series. Applications compiled for 4.0 or 4.1 will continue to run with 4.2.+ −
+ − ****************************************************************************+ −
* General *+ −
****************************************************************************+ −
+ − General Improvements+ −
--------------------+ −
+ − - Configuration/Compilation+ −
* Fixed architecture detection on UltraSPARC-T1 systems.+ −
* Fixed compilation on embedded architectures when qreal is not double.+ −
* Compile on OpenBSD.+ −
+ − - Documentation+ −
* Completed documentation for "Implementing Atomic Operations",+ −
which is useful for people porting Qt to a new hardware architecture.+ −
+ − - Translations+ −
* Added a new unofficial Portuguese translation courtesy of Helder+ −
Correia.+ −
+ − - Qt Linguist+ −
* Made the columns in the phrasebook resizeable.+ −
+ − - lupdate+ −
* Fixed bug in the .pro parser of lupdate. It should accept backslashes.+ −
* Fixed a severe slowdown in lupdate. (~400x speedup.)+ −
* Fixed traversal of subdirectories.+ −
+ − - moc+ −
* Don't create trigraphs in the generated code for C++ casts.+ −
+ − - uic+ −
* Fixed a bug that generated excessive margins for Q3GroupBox.+ −
+ − Third party components+ −
----------------------+ −
+ − - libpng+ −
+ − * Security fix: Avoid null dereferences.+ −
+ − ****************************************************************************+ −
* Library *+ −
****************************************************************************+ −
+ − General improvements+ −
--------------------+ −
+ − - Graphics View+ −
+ − * Calling QGraphicsScene::update() without arguments now correctly+ −
updates the entire scene.+ −
* Changing the background brush in QGraphicsScene now correctly updates+ −
the entire scene+ −
* Fixed a crash in QGraphicsScene due to stale pointers in the BSP tree.+ −
* QGraphicsScene::createItemGroup() now allows you to create an empty+ −
group (previously caused an assert in debug mode).+ −
* Fixed rendering bugs with QGraphicsPixmapItem::offset().+ −
* Adding an item to a QGraphicsScene now always implicitly causes an+ −
update.+ −
* Fixed a crash caused by deleting a QGraphicsScene that is being viewed+ −
by a QGraphicsView.+ −
* Items with zero width or height (e.g., a horizontal or vertical line+ −
with a zero-width cosmetic pen) are now rendered correctly.+ −
* Fixed a crash in QGraphicsScene::destroyItemGroup(), and when removing+ −
items from a group.+ −
+ − - Item views+ −
* Fixed data loss in QTreeWidget, QTableWidget and QListWidget that+ −
occurred when performing a drag and drop copy operation on items+ −
containing data in custom roles.+ −
+ − * Fixed signal emission bugs in QSqlQueryModel and QSqlTableModel that+ −
caused the view to contain invalid items when used with a+ −
QSortFilterProxyModel.+ −
+ − * Fixed a bug in word-wrapped text that could cause all new-line+ −
characters, and the last line in string containing at least one+ −
newline character, to be removed.+ −
+ − * Fixed bug in QListView where the last item of a batch was not always+ −
displayed.+ −
+ − - QAction+ −
* Fixed a possible crash when using alternate shortcuts on a QAction.+ −
+ − - QByteArray+ −
* Fixed a crash in toUpper().+ −
+ − - QCleanlooksStyle+ −
* Indeterminate progress bars are now correctly animated.+ −
+ − - QComboBox+ −
* Fixed broken case sensitive completion.+ −
* Changing the font on a QComboBox now changes the font on the popup as+ −
well.+ −
+ − - Q3TextEdit+ −
* Fixed regression where some shortcuts didn't work on Mac OS X.+ −
+ − - Q3Canvas+ −
* Fixed potential memory overrun when determining a clipping chunk.+ −
+ − - Q3Socket+ −
* Fixed unexpected remote disconnection bugs (also QTcpSocket).+ −
+ − - QFile+ −
* Performance enhancements in QFile::copy().+ −
* Allow reading past the previous end of the file if the file grows.+ −
* Reliably allow QFile::readLine() and QFile::readAll() to be used to+ −
read from stdin on all platforms.+ −
+ − - QFileDialog+ −
* Fixed crash that could occur when the filter began with ';;'.+ −
* Fixed assertion caused by calling setFilters() with an empty list.+ −
* Fixed problem with file entries not being laid out correctly.+ −
+ − - QGridLayout+ −
* Fixed bug in handling of fixed size spacers spanning multiple+ −
rows/columns+ −
+ − - QLayout+ −
* Fixed bug caused by setting minimumSize() and SizePolicy::Fixed on a+ −
widget that implements minimumSizeHint() but not sizeHint().+ −
+ − - QLineEdit+ −
* Fixed crash caused by moving the cursor over a QChar::LineSeparator+ −
in the text.+ −
+ − - QPainter+ −
* Fixed bug in QPainter::drawPoints() when using the raster paint engine+ −
which caused some points to be missing.+ −
* Removed memory leak in raster paint engine when drawing complex+ −
polygons/paths.+ −
+ − - QProcess+ −
* Fixed a crash that could occur when calling QProcess::waitForFinished()+ −
from inside a slot connected to a signal emitted by QProcess.+ −
* Fixed a race condition on Windows where QProcess::bytesToWrite() would+ −
return a short byte count.+ −
+ − - QTextDocument+ −
* Fixed find() with backward searches.+ −
* Match CSS style selector case insensitively.+ −
* Fixed HTML import for tables with missing cells and rowspan/colspan+ −
attributes. + −
+ − - QSortFilterProxyModel+ −
* Fixed a crash caused by calling filterChanged().+ −
* Fixed a crash caused by removing items from the source model.+ −
* Fixed a bug that could cause a model to enter an invalid state when+ −
filtering items in a hierarchy, causing items in a QTreeView to+ −
erroneously be collapsed.+ −
* Fixed a bug that could cause invalid items to be added when inserting+ −
new items to the source model.+ −
+ − - QSyntaxHighlighter+ −
* Fixed failing assertion that could occur when installing a syntax+ −
highlighter before the document has created a layout.+ −
+ − - QPluginLoader+ −
* Fixed compilation of Q_EXPORT_PLUGIN when used with templates.+ −
+ − - QTcpSocket+ −
* Fixed a bug where QTcpSocket would time out when connecting to a+ −
closed service on Windows.+ −
* Fixed a race condition when calling waitFor...() functions with a very+ −
short timeout value.+ −
* Fixed unexpected remote disconnect problems on Windows.+ −
* Improved the reliability of the waitFor...() functions with SOCKS5+ −
proxy support.+ −
+ − - QTextLayout+ −
* Fixed rendering of surrogate pairs and cursor navigation with them.+ −
+ − - QTextEdit+ −
* Fixed crash in QTextEdit::setExtraSelection() that could occur when+ −
used with null cursors.+ −
* Fixed scrollbar bug which could cause the bottom of the text to be+ −
unreachable.+ −
+ − - QTextStream+ −
* Fixed QTextStream::readLine() so it can be used reliably with stdin on+ −
all platforms, and updated the documentation to reflect this.+ −
+ − - QMacStyle+ −
* Ensured that tab bars are drawn correctly regardless of the font used.+ −
+ − - QMenuBar+ −
* Properly marked the "text heuristic matching" strings for translation.+ −
+ − - QMenu+ −
* Fixed incorrect scrolling on large menus on Mac OS X.+ −
+ − - QPlastiqueStyle+ −
* Ensured that indeterminate progress bars are now always animated and+ −
fixed a rendering bug.+ −
+ − - QPrinter+ −
* Fixed a bug on X11 that caused the printer to generate too many+ −
copies.+ −
* Fixed a bug in the PostScript driver that could cause invalid+ −
PostScript to be generated.+ −
+ − - QSqlRelationalTableModel+ −
* Ensured that the internal cache is cleared after+ −
QSqlRelationalTableModel::submitAll() is called. + −
+ − - QSqlDriver+ −
* Ensured that QSqlDriver::formatValue() doesn't cut off characters from+ −
field names.+ −
+ − - QTextTable+ −
* Removed false assertion when deleting the first row or column in a+ −
table.+ −
* Fixed crash when splitting cells in the rightmost column of a table.+ −
* Fixed issue where QTextTable::splitCells() would shift cells further+ −
down in the table.+ −
* Fixed crash in QTextTable::mergeCells() caused by merging an already+ −
merged cell.+ −
+ −
- QToolTip+ −
* Fixed QToolTip sizes when used with HTML tags like <BR>.+ −
+ − - QUdpSocket+ −
* Fixed a busy-wait causing the event loop to spin when writing a+ −
datagram to an unbound port.+ −
* QUdpSocket now reliably emits readyRead() in connected mode.+ −
+ − - QUrl+ −
* Fixed a crash that would occur as a result of calling errorString() on+ −
an empty URL.+ −
+ − - SQL plugins+ −
* Prevent crashes in QSqlQuery after reopening a closed ODBC connection.+ −
* Prevent crash when retrieving binary data from ODBC.+ −
* The Interbase driver now returns a valid handle through+ −
QSqlDriver::handle().+ −
+ − - QMutex+ −
* Fixed race condition in QMutex::tryLock() that would prevent all+ −
other threads from acquiring the mutex+ −
+ − - QList+ −
* Fixed crash when modifying a QList that must be detached from a+ −
separate thread+ −
+ − - QWidget+ −
* Fixed case where a modal dialog could be stacked below its parent+ −
window when the dialog was shown first+ −
* Fixed an erroneous hideEvent() from being sent immediately after+ −
window creation+ −
* Fixed problem with missing text in QWidget::whatsThis().+ −
+ − - QWindowsStyle+ −
* Fixed a crash that could occur when deleting a QProgressBar after its+ −
style was changed.+ −
+ − - QVariant+ −
* Fixed assertion caused by streaming in a variant containing a float.+ −
+ − - QAbstractItemView+ −
* Fixed focus problem with cell widgets.+ −
+ − - QTableView+ −
* Fixed problem with context menus clearing the selections.+ −
+ − - QHeaderView+ −
* Fixed assertion that could occur when removing all sections when some+ −
sections had been moved.+ −
* Fixed a bug that could prevent the user from resizing the last + −
visible section if the "real" last section was invisible.+ −
+ − - QListView+ −
* Fixed crash when calling reset.+ −
+ − - QTableWidget+ −
* Fixed painting problem that could occur when rows were swapped.+ −
+ − - QTreeView+ −
* Fixed a crash that could appear when removing all the children of an+ −
item.+ −
+ − ****************************************************************************+ −
* Platform Specific Changes *+ −
****************************************************************************+ −
+ − X11+ −
---+ −
* Fixed detection of Type1 symbol fonts.+ −
* Fixed crash on exit in QSystemTrayIcon when QApplication is used+ −
as the parent.+ −
* Fixed animation GUI effects on tooltips, menus, and comboboxes.+ −
* Fixed crashes in threaded programs when Qt uses the Glib main+ −
loop.+ −
* Fixed bug where an empty LANG environment variable could prevent input+ −
of non-ASCII chars in Qt widgets.+ −
* Fixed leak of initial style created by QApplication after calling+ −
QApplication::setStyle().+ −
* Fixed erroneous event delivery to a widget that has been destroyed.+ −
* Prevent shortcuts for keypad arrow keys from being activated when+ −
Num Lock is on.+ −
* Fixed bug which caused incorrect drawing of subrectangles of bitmaps.+ −
* Fixed bug in rendering of the Bengali script.+ −
+ − Windows+ −
-------+ −
* Fixed compilation with -no-stl.+ −
* Fixed compilation with Windows SDK for Vista.+ −
* Fixed an issue that could cause missing text when Cleartype was used.+ −
* Fixed the hot-spot locations for OpenHandCursor and CloseHandCursor.+ −
* Fixed infinite warning loop about adopted threads in applications with+ −
many threads.+ −
* Fixed assertion caused by hiding a child widget whose window has not+ −
yet been created.+ −
* Fixed QWindowsXPStyle so that it is possible to draw a+ −
QStyle::CE_DockWidgetTitle without having an actual instance of+ −
QDockWidget.+ −
* Fixed crash when drawing text with large font sizes.+ −
* Fixed support for the Khmer language.+ −
* Fixed incorrect reporting of frameGeometry() after a window is closed.+ −
* Fixed crash when handling spurious WM_CHAR from Remote Desktop Client.+ −
* Fixed crash in JPEG plugin while loading.+ −
* Fixed crash in QFileDialog::getExistingDirectory() when specifying+ −
a parent that has not been shown yet.+ −
+ − Mac OS X+ −
--------+ −
* Fixed regression where dragging/copying Unicode text in Qt to another+ −
application would only export the non-Unicode version.+ −
* Fixed regression where releasing the mouse button would send two mouse+ −
releas events to a widget.+ −
* Fixed regression where the drop action would be reset after a native+ −
"DragLeave" event was received.+ −
* Wrapping a (non-Qt) window's content view and resizing before showing+ −
the window for the first time now works correctly.+ −
* Ensured that the content view is always created before we QWidgets are+ −
added to a window - this allows better integration with Cocoa apps.+ −
* Fixed regression where text/uri-list was inadvertently disabled for+ −
clipboards.+ −
* Fixed regression where setting the brushed metal style on a message+ −
box would show the label in a non-metallic style.+ −
* Fixed the open source binary package to have the correct definitions+ −
for development.+ −
+ − Qtopia Core+ −
-----------+ −
* Fixed a data corruption bug in QDataStream on ARM processors where+ −
reading and writing doubles/qreals would be incompatible with streams+ −
on other platforms.+ −
Note: corrupt data streams generated with previous versions of Qtopia+ −
Core on ARM platforms cannot be read with this version.+ −
* Fixed a possible buffer overflow in the VNC driver.+ −
* Fixed a memory leak in the windowing system.+ −
* Fixed painting errors occuring with use of QT::WA_PaintOnScreen on+ −
certain screen configurations.+ −
* Improved performance when using a 16-bit brush as the background on a + −
16-bit screen.+ −
* Improved performance of 16-bit semi-transparent solid fills.+ −
* Fixed crash that could occur when saving a 16-bit image in BMP or PPM+ −
formats.+ −
* Fixed bug where window icons would not be shown in Plastique style.+ −
* Fixed bug in QWSServer::setMaxWindowRect() on rotated displays.+ −
* Fixed crash with normalized Unicode characters and QPF fonts.+ −
* Ensured that QWidget::minimumSize() does not become larger than the+ −
screen size.+ −
+ −