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v6.6.0
qt6windows7/dist/changes-4.5.0
kleuter 85d238dfda qt 6.5.1 original
2023-10-29 23:33:08 +01:00

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Qt 4.5 introduces many new features and improvements as well as bugfixes
over the 4.4.x series. For more details, refer to the online documentation
included in this distribution. The documentation is also available online:
http://qt.nokia.com/doc/4.5
The Qt version 4.5 series is binary compatible with the 4.4.x series.
Applications compiled for 4.4 will continue to run with 4.5.
Some of the changes listed in this file include issue tracking numbers
corresponding to tasks in the Task Tracker:
http://qt.nokia.com/developer/task-tracker
Each of these identifiers can be entered in the task tracker to obtain more
information about a particular change.
****************************************************************************
* General *
****************************************************************************
General Improvements
--------------------
New features
------------
- Disk Caching in QtNetwork
* Added support for http caching in QNetworkAccessManager.
* New classes: QAbstractNetworkCache, QNetworkDiskCache.
* QNetworkDiskCache is a simple disk-based cache.
- QDate
* [207690] Added QDate::getDate().
- QDateTimeEdit
* [196924] Improved QDateTimeEdit's usability. It now skips ahead to the
next field when input can't be valid for the current section.
- QDateTime
* [178738] Fixed QDateTime::secsTo() to return the correct value.
- QDBusPendingCall / QDBusPendingCallWatcher / QDBusPendingReply
* New classes to make calls whose replies can be received later.
- QDesktopServices
* Added the ability to determine the proper location to store cache files.
- QGraphicsItem
* Added the QGraphicsItem::itemTransform() function.
* [209357] Added the QGraphicsItem::opacity() function.
* [209978] Added the QGraphicsItem::ItemStacksBehindParent flag to allow
children to be stacked behind their parent item.
* Added QGraphicsItem::mapRect() functions.
- QGraphicsScene
* Added the QGraphicsScene::sortCacheEnabled property.
* Added the QGraphicsScene::stickyFocus property.
- QGraphicsTextItem
* [242331] Added the QGraphicsTextItem::tabChangesFocus() function.
- QGraphicsView
* [210121] Added action, shortcut and shortcut override support to
QGraphicsView and QGraphicsItem.
- QLineEdit
* Added the ability to set the text margin size.
- QMainWindow
* Added API to detect which dock widget is tabified together with another
dock widget.
- QMessageBox
* It is now possible to create categories in QErrorMessage to avoid error
messages from the same category popping up repeatedly.
- QMetaObject
* Added introspection of constructors, including the ability to invoke a
constructor.
- QMetaProperty
* [217531] Added the notifySignalIndex() function, which can be used to
introspect which signal (if any) is emitted when a property is changed.
- QNetworkCookie
* [206125] Added support for HTTP-only cookies.
- QNetworkProxyFactory
* Added support for a factory of QNetworkProxy whose result can
change depending on the connection being attempted.
* Added support for querying system proxy settings on Mac OS X and
Windows.
- QSharedPointer / QWeakPointer
* Added two new classes for sharing pointers with support for atomic
reference counting and custom destructors.
- QStringRef
* [191369] Added QStringRef::localeAwareCompare() functions.
- QTabBar
* Added the ability to place close buttons and widgets on tabs.
* Added the ability to choose the selection behavior after a tab is
removed.
* Added a document mode which, on Mac OS X, paints the widget like
Safari's tabs.
* Added the movable property so that the user can move tabs easily.
* Added mouse wheel support so that the mouse wheel can be used to change
tabs.
- QTabWidget
* Added a document mode that removes the tab widget border.
- QTcpSocket
* [183743] Added support for requesting connections via proxies by
hostname (no DNS resolution made on the client machine).
- QTextDocument / QTextDocumentWriter
* Added the QTextDocumentWriter class which allows exporting of
QTextDocument text and images to the OpenDocument format
(ISO/IEC 26300).
- QtScriptTools
* Added a new module to provide a debugger for Qt Script.
- Qt::WA_TranslucentBackground
* Added this new window attribute to be able to have per-pixel
translucency for top-level windows.
- Qt::WindowCloseButtonHint
* Added a new window hint to control the visibility of the window close
button.
- Qt::WindowStaysOnBottomHint
* Added a new window hint to allow the window to stay below all other
windows.
- Q_SIGNAL and Q_SLOT
* Added new keywords to allow a single function to be marked as a signal
or slot.
- QT4_IM_MODULE
* [227849] Added a new environment variable that specifies the input
method module to use and takes precedence over the QT_IM_MODULE
enviroment variable. This environment variable allows the user to
configure the environment to use different input methods for Qt 3 and
Qt 4-based applications.
- QXmlQuery
* Added a number of overloads to the bindVariable(), setFocus(), and
evaluateTo() functions.
* Added a property for controlling the network access manager.
* Partial support for XSL-T has been added. See the main documentation for
the QtXmlPatterns module for details.
Optimizations
-------------
- The backing store has been re-factored and optimized
* Significant improvement in overall performance of painting for widgets.
* Reduced the number of QRegion operations.
* Improved update handling.
* Improved the performance of clipping.
* Support for full static contents.
- QGraphicsView has been optimized in several areas
* Reduced the number of floating point operations.
* Improved update handling.
* Improved handling of deeply nested item trees.
* Improved the performance of clipping for ItemClipChildrenToShape.
* Improved sorting speed, so scenes with deeply nested item hierarchies do
not affect the performance as compared to Qt 4.4.
- Widget style sheets optimisations
* Improved the speed of style sheet initialization.
- QAbstractItemModel
* Optimized QPersistantModelIndex creation and deletion.
* Optimized adding and removing rows and columns.
- QFileSystemModel
* Ensured that the model is always sorted when required.
- QTreeView
* Optimized expanding and collapsing items.
* Optimized expanding animations with large views.
- QRect and QRectF
* Improves on functions like intersect(), contains(), etc.
- QTransform
* Reduced the number of multiplications used for simple matrix types.
- QRasterPaintEngine
* Reduced overhead of state changes; e.g., setPen() and setBrush().
* Introduced a cache scheme for Windows glyphs, thus improving text
drawing performance significantly.
* Reduced the cost of doing rectangular clipping.
* Improved pixmap drawing.
* Improved pixmap scaling.
* Optimized drawing of anti-aliased lines.
* Optimized drawing of anti-aliased dashed lines.
Third party components
----------------------
- Updated Qt's SQLite version to 3.5.9.
****************************************************************************
* Library *
****************************************************************************
- General Fixes
* [217988] Fixed a thread safety issue in QFontPrivate::engineForScript
which could lead to buggy text rendering when rendering text from
several threads.
* [233703] Fixed a crash that occured when the input method (for example
SCIM) was destroyed while the application is still running.
* [233634] When there are several input method plugins available, they are
now initialized only when the user switches to them.
* [231089] Fixed an issue which caused HTTP GET to fail for chunk
transfers.
* [193475] Consumer tablet devices (like Wacom Graphite and Bamboo) now
work on Windows and Mac OS X.
* [203864] Do not warn when deleting objects in their event handler except
for Qt Jambi.
- QAbstractItemModel
* [233058] Fixed the sorting algorithm used in rowsRemoved().
- QAbstractItemView
* [221955] Fixed a bug that allowed rows to be selected even if the
selection mode was NoSelection.
* [244716] Fixed a possible crash when an edited cell was moved.
* [239642] Ensured that a rubber band selection is clear if the selection
ends on the viewport.
* [239121] Ensured that the old selection is clear when starting a
selection on the viewport.
* [219380] Fixed an update issue when removing rows.
- QAbstractSpinBox
* [221221] Fixed a usability issue with QAbstractSpinBox subclasses in
itemviews.
- QBitmap
* [216648] Fixed a problem where QBitmaps were being converted to 32-bit
QPixmaps when QPixmap::resize() was called.
- QByteArray and QString
* [239351] Fixed a bug in QCharRef and QByteRef that would cause them to
fail to detach properly in some cases. Applications need to be
recompiled to use the fix.
* [212140] Added repeated() functions to these classes.
* [82509] Added QT_NO_CAST_FROM_BYTEARRAY to disable "operator const
char *" and "operator const void *" in QByteArray.
- QCalendarWidget
* [206017] Fixed minimumSize to be calculated correctly in the case where
the vertical header has a different text format set.
* [206282] Added support for browsing months using the mouse wheel.
* [238384] A click on the date cell will now be ignored if the year
spin box is opened.
- QCleanlooksStyle
* [195446] Skip disabled menu and menu bar items when using keyboard
navigation.
* Fixed a problem with wrapped text eliding on titlebars.
* [204269] Fixed a sizing problem with push buttons having mnemonics.
* [216172] Fixed a problem with check box on inverted color schemes.
- QColor
* [196704] Fixed a problem where the QColor::fromHsvF() function could
return incorrect values.
- QComboBox
* [167106] Fixed a problem where the combobox menu would incorrectly show
check boxes after a style change.
* [227080] Fixed handling of the style sheet background-color attribute on
Windows.
* [227080] Adjusted pop-up size when using style sheet border.
* [238559] Fixed the completer as it was not using the right column with
setModelColumn().
- QCommandLinkButton
* [220475] Added support for On/Off icon states.
- QCommonStyle
* [211489] Ensured that checkable group boxes with no title are drawn
correctly.
* [222561] Made more standard icons available.
- QCOMPARE(QtTest)
* [183525] Fixed issue that caused QCOMPARE to give incomplete
information when comparing two string lists.
* [193456] Ensured that nmake install for QTestLib copies the DLL into the
bin directory.
- QCoreApplication
* [224233] Ensured that QCoreApplication::arguments() skips the
-stylesheet argument.
- QDate
* [222937] QDate - fixed issue preventing a minimum date of 01-01-01
from being set.
- QDataStream
* [230777] Fixed a bug that would cause skipRawBytes() to go
backwards if the correct resulting position was larger than 2 GB.
- QDateTimeEdit
* [196924] Improved QDateTimeEdit's usability. It now skips ahead to the
next field when input can't be valid for the current section.
- QDBusConnection
* [211797] Added support for the GetAll call in the standard
org.freedesktop.DBus.Properties interface.
* [229318] Fixed race conditions caused by timers being deleted in
the wrong thread.
- QDesktopServices
* [237398] Ensured that, on Mac OS X, returned paths do not have a
trailing '/'.
- QDesktopWidget
* [244004] Fixed a coordinate issue on Mac OS X with multi-screen setups
where the screen sizes differ.
- QDialog
* [214987] Ensured that maximize buttons are not put on dialogs by default
on Mac OS X.
- QDialogButtonBox
* [224781] Dialog buttons without icons now get the same height as dialog
buttons with icons to maintain the alignment.
- QDockWidget
* [237438] Fixed a crash in setFloat() for parentless dock widgets.
* [204184] Subclasses are now allowed to handle mouse events.
* [173854] Ensured that the size of the dock widget is remembered when it
is hidden.
- QDomDocument
* [212446] Ensured that a new line inserted after an element that
indicates whitespace is preserved.
- QDomAttr
* [226681] Fixed issue that caused specified() to return false if the
attribute is specified in the XML.
- QEvent
* Added more debug operators for common event types.
- QFlags
* [221702] Fixed issue with testFlag() that gave a surprising result on
enums with many bits.
- QFormLayout
* [240759] Fixed crash in QFormLayout that could occur when a layout was
alone in a row.
- QFile
* [238027] Fixed a bug that would cause QFile not to be able to map a file
to memory if QFile::open() was called with extra flags, like
QIODevice::Unbuffered.
- QFileInfo
* [166546] Fixed QFileInfo operator== bug involving trailing directory
separators.
- QFileDialog
* [240823] Fixed issues with file paths over 270 characters in length on
Windows.
* [212102] Fixed ".." directory issue.
* [241213] Fixed some problems when renaming files.
* [232613] Fixed a usability issue with UNC path on Windows.
* [228844] Fixed a wrong insertion in the filesystemModel that caused
persistant model index to be broken.
* [190145] [203703] Fixed a bug in getExistingDirectory() that returned
/home/ instead of /home, or on Windows, returned c:/temp/ instead of
c:/temp. We now match the native behavior.
* [236402] Fixed warning in the QFileDialog caused by deleting a directory
we have previously visited.
* [235069] Fixed issue that prevented QFileDialog from being closed on
Escape when the list view had focus.
* [233037] Fixed issue that caused the "Open" button to be disabled even
if we want to enter a directory (in AcceptSave mode).
* [223831] Ensured that the "Recent Places" string is translatable.
* Fixed crash on Windows caused by typing \\\ (empty UNC Path).
* [226366] Fixed issue that prevented the completer of the line edit from
being shown when setting a directory with lower case letter.
* [228158] Fixed issue that could cause the dialog to be closed when
pressing Enter with a directory selected.
* [231094] Fixed a hang that could occur when pressing a key.
* [227304] Fixed a crash that could occur when the dialog had a completer
and a QSortFilterProxyModel set.
* [228566] Fixed the layout to avoid cyclically showing and hiding the
scroll bars.
* [206221] Ensured that the view is updated after editing a value with a
custom editor.
* [196561] Fixed the static API to return the path of the file instead of
the link (.lnk) on Windows.
* [239706] Fixed a crash that could occur when adding a name filter from
an editable combo box.
* [198193] Ensured that directory paths on Windows have a trailing
backslash.
- QFrame
* [215772] Style sheets: Ensured that the shape of the frame is respected
when not styling the border.
- QFont
* [223402] QFont's QDataStream operators will now save and restore the
letter/word spacing.
- QFontMetrics
* [225031] Fixed issue where QFontMetrics::averageCharWidth() could return
0 on Mac OS X.
- QFtp
* [227271] Added support for old FTP servers that do not recognize the
"SIZE" and "MDTM" commands.
- QFuture
* [214874] Fixed deadlock issue that could occur when cascading QFutures.
- QGLContext
* [231613] Fixed a crash that could occur when trying to create a
QGLContext without a valid paint device.
- QGLFramebufferObject
* [236979] Fixed a problem with drawing to multiple, non-shared,
QGLFramebufferObjects from the same thread using QPainter.
- QGraphicsEllipseItem
* [207826] Fixed boundingRect() for spanAngle() != 360.
- QGraphicsGridLayout
* [236367] Removed (0, 0) maximum size restriction of a QGraphicsItem by
an empty QGridLayout.
- QGraphicsItem
* [238655] Fixed slowdown in QGraphicsItem::collidesWithItem() that was
present in Qt 4.4.
* [198912] ItemClipsChildrenToShape now propagates to descendants.
* [200229] Ensured that context menu events respect the
ItemIgnoresTransformations flag.
* Enabling ItemCoordinateCache with no default size now automatically
resizes the item cache if the item's bounding rectangle changes.
* [230312] Mac OS X: Fixed a bug where update() issued two paint events.
- QGraphicsLayout
* [244402] Fixed issue that could cause a horizontal QGraphicsLinearLayout
to stretch line edits vertically.
- QGraphicsLayoutItem
* Fixed a crash that could occur with custom layouts which did not delete
children.
- QGraphicsScene
* [236127] Fixed BSP tree indexing error when setting the geometry of
a QGraphicsWidget.
- QGraphicsWidget
* [223403] Ensured that QGraphicsWidget(0, Qt::Popup) will close when you
click outside it.
* [236127] Fixed QGraphicsScene BSP tree indexing error.
* Improved rendering of window title bars.
* Fixed crash that could occur when a child that previously had the focus
died without having the focus anymore.
- QGraphicsProxyWidget
* [223616] Ensure that context menus triggered by ActionsContextMenu are
embedded.
* [227990] Widgets are not longer resized/moved when switching themes on
Windows.
* [219058] [237237] Fixed scroll artifacts in embedded widgets.
* [236545] Ensured that the drag and drop cursor pixmap is not embedded
into the scene on X11.
* [238224] Fixed a crash that could occur when a proxy widget item was
deleted.
* [242553] Fixed drag and drop propagation for embedded widgets.
- QGraphicsSvgItem
* [241475] Fixed update on geometry change.
- QGraphicsTextItem
* [240400] Fixed bugs in mouse press handling.
* [242331] Add tabChangesFocus() to let the user control whether the text
item should process Tab input as a character, or just switch Tab focus.
- QGraphicsView
* [236453] Improved Tab focus handling (propagate Tab and Backtab to items
and widgets).
* [239047] Improved stability of fitInView() with a very small viewport.
* [242178] Fixed rubber band debris left in Windows XP style (potentially
any style).
* Fixed a crash in QGraphicsView resulting from the non-deletion of
sub-proxy widgets.
* Fixed issue that caused items() to return an incorrect list with an
incorrect sort order when an item in the scene has the
IgnoresTransformations flag set to true.
* Ensured that the painter properly saves/restores its state after a call
to drawBackground().
* [197993] Allow any render hint to be set/cleared by the
QGraphicsView::renderHints property.
* [216741] Fixed handling of QGraphicsView::DontSavePainterState (broken
in Qt 4.3).
* [235101] [222323] [217819] [209977] Implemented proper font and palette
propagation in Graphics View.
* [238876] Fixed scroll artifacts in reverse mode.
* [153586] Ensured that the text cursor is drawn correctly in transformed
text controls in a QGraphicsView.
* [224242] Added support for embedding nested graphics views.
- QGroupBox
* [204823] Fixed a palette inconsistency when using certain styles.
- QHeaderView
* [239684] Fixed sorting that wouldn't happen when clicking unless the
sort indicator is shown.
* [236907] Fixed bug that could cause hidden columns to become visible.
* [215867] Resizing sections after moving sections could resize the wrong
columns.
* [211697] Fixed ResizeToContents to always show the full content of
cells.
- QImage
* [240047] Fixed a problem with drawing/transforming sub-images.
- QImageReader
* [138500] Added the QImageReader::autoDetectImageFormat() function.
- QKeySequence:
* Added QKeySequence::SaveAs which has values for both GNOME and Mac OS X.
* [154172] Improved toString(NativeText) to return more native glyphs on
Mac OS X.
- QLabel
* [226479] Fixed update if showing a QMovie that changes its size.
* [233538] Fixed behavior involving changing the color of a label with a
style sheet and pseudo-state.
- QLineEdit
* [179777] Ensured that PasswordEchoOnEdit shows asterisks correctly.
* [229938] Fixed issue that could cause textChanged() to be emitted when
there was a maximum length set, even though the text was not changed.
* [210502] Fixed case-insensitive inline completion.
- QLineF
* [241464] Fixed issue that could cause intersects() to be numerically
unstable in corner cases.
The function has been rewritten to be faster and more robust.
- QListView
* [217070] Fixed issue that could cause scroll bars to appear in adjusted
icon mode.
* [210733] Made improvements in the way the pagestep is computed.
* [197825] Ensured that hidden items are not selectable.
- QLocalServer
* Added new removeServer() static method to allow the socket file to be
deleted after an application has crashed.
- QMacStyle
* [232298] Draw the sort indicators in the correct direction for table
headers.
* [198372] Give context sub-menus the correct mask.
* [209103] [232218] QToolButton::DelayedPopup is now displayed correctly.
* [221967] Bold header text now uses the correct color.
* [234491] Also the menu's QFont when when drawing menu items.
* Ensure the proper pressed look for tabs on Leopard.
- QMainWindow
* [192392] Stop excessive updates with unified toolbars when changing the
enabled status of an action.
* [195259] Ensured that the toolbar button is shown when the unified
toolbar is created later.
- QMessageBox
* [224094] Fixed crash that could occur when specifying a default button
that was not one of the buttons listed.
* [223451] Fixed a memory leak on a static pointer when the application
exits.
- QMainWindow
* [224116] [228995] [228738] save/restoreState() would not always restore
the toolbars in the correct positions.
* [215430] Fixed issue that meant that the user could dock widgets and
they wouldn't be tabbed even if ForceTabbedDocks was set.
* [240184] Fixed an issue that caused QDockWidget to get smaller and
smaller by docking and undocking.
* [186562] Fixed layout when saving the state with an undocked dock widget
and then restoring it
* [228110] Re-adding a toobar now also re-docks it.
* [232431] Fixed a memory leak caused by setting centralWidget multiple
times.
- QMenu
* [220965] [222978] Style sheets: Made it possible to set border and
gradient on items.
- QMenuBar
* [228658] Fixed broken activated signal behavior.
* [233622] Fixed the repaint when a dialog is invoked
- QMdiArea
* [233264] Mac OS X: Improved performance when dragging sub-windows
around.
* [233267] [234002] [219646] Removed flickering behavior that could occur
when switching between maximized sub-windows.
- QNetworkReply:
* [235584] Fixed a bug that would cause sslConfiguration() to
return a null object if finished() had already been emitted.
- QOpenGLPaintEngine
* [244918] Fixed a problem with drawing text and polygons onto software
rendering GL contexts.
- QPainterPath
* [234220] Fixed crash due to a division by zero function in
addRoundedRect().
- QPicture
* [226315] Fixed an assert when trying to load picture files created with
Qt 3 into Qt 4.
- QPixmap
* [223800] Fixed a bug where grabWindow() on a QScrollArea did not work
the first time.
* [217815] Fixed a bug where grabWidget() did not work properly for
resized and hidden widgets.
* [229095] Mac OS X: Fixed issue that could cause grabWindow() to grab the
wrong parts of the window for child widgets.
- QPlastiqueStyle
* [195446] Ensured that the background is now painted on selected but
disabled menu items for improved keyboard navigation.
* [231660] Fixed support for custom icon size in tab bars.
* [211679] drawPartialFrame() now passes the widget pointer.
- QPainter
* QPainter::font(), brush(), pen(), background():
These functions will return default constructed objects when the
painter is inactive.
* [242780] Fixed segmentation fault that could occur when setting
parameters on an uninitialized QPainter.
* [89727] Added support for raster operations.
* [197104] More well-defined gradient lookup (linear gradients are now
perfectly symmetric if inverting the color stops).
* [239817] Fixed bug where overline/strike-out would be drawn with the
wrong line width compared to the underline.
* [243759] Fixed some off-by-one errors in the extended composition modes
in the raster paint engine.
* [234891, 229459, 232012] Fixed some corner case bugs in the raster paint
engine line/rectangle drawing.
* Fixed the "one pixel less" clipping bug caused by precision lost when
converting to int.
* Fixed the composition mode in QPainter raster which was not properly set.
* Fixed an assert when the painter is reused after a previous bad usage
(e.g., painting on a null pixmap).
- QPainterPath
* Added convenience operators: +, -, &, |, +=, -=, &= and |=.
- QPrinter
* [232415] Fixed a problem that caused a an invalid QPrinter
object to not update its validity after being passed into a
QPrintDialog.
* [215401] Fixed the size of the Executive paper format.
* [202113] Improved speed when printing to a highres PostScript printer.
* [195028] Trying to print to a non-existing file didn't update the validity
of the QPrinter object correctly.
* [134820] Support CUPS printer instances on Unix systems (Mac and X11).
* [201875] Fixed a bug that caused the fill opacity of a brush to be used
for the stroke in certain cases.
* [222056] Fixed absolute letter spacing when printing.
* [234135] Fixed a problem with custom margins for CUPS printers.
- QPrintDialog
* [232207] When printing to a Qt .pdf or .ps printer under Windows or
Mac OS X, pop up a file dialog instead of the native print dialog.
- QPrintPreviewDialog
* [236418] Fixed a problem that caused opening several QPrintPreviewDialogs
and printing to them at the same time crash.
- QProcess
* [230929] (Unix) Open redirection files in 64-bit mode wherever supported.
- QProgressDialog
* [215050] Properly stop internal timer that retriggered for no reason.
- QProgressBar
* [216911] stylesheet bug if minimum value != 0
* [222872] Use the orientation when determining if we should repaint.
- QRadioButton
* [235761] Fixed navigation with arrow keys when buttons are in different layout
- QRegion
* [200586] Make QRegion a lot smarter when converting from a QPolygon, to avoid
creating a lot of needless rectangles.
* For Mac OS X, add QRegion::toQDRgn(), QRegion::toHIMutableShape() and
corresponding ::fromQDRgn() and ::fromHIShape(). The ::handle() is still
available for 32-bit Mac OS X builds and is the equivalent of ::toQDRgn().
- QScrollArea
* [206497] Stylesheet: It's now possible to style the corner with ::corner
- QScrollBar
* [230253] Simple stylesheets doesn't break the scrollbar anymore.
- QSettings
* [191901] Added methods setIniCodec() and iniCodec() for changing the codec of .ini files.
- QSharedMemory
* Don't deadlock when locking an already-held lock.
- QSortFilterProxyModel
* [236755] Hidden columns in QTableView could become visible
* [234419] Fixed a data corruption when adding child and row is filtered out
- QSslSocket
* [189980] Ensure OpenSSL_add_all_algorithms() is called.
- QSslCertificate
* [186084] Fixed a bug that would cause timezones in certificate
times not to be parsed correctly, leading to valid certificates
not being accepted
- QSslConfiguration
* [237535] Fixed a bug that would cause QSslConfiguration objects
to leak memory and eventually corrupt data due to wrong
reference counting.
- QStandardItemModel
* [227426] Fixed drag and drop of hierarchy
* [242918] Added ability to change flags of the root item.
- QString
* [205837] Qt 4.4: format string warnings / small QString conversion
clean up.
- QSvgRenderer
* [226522] Fixed fill-opacity when fill is a gradient.
* [241357] Fixed gradients with two or more stop colors at the same offset.
* [180846] Fixed small font sizes.
* [192203] Add support for gzip-compressed SVG files.
* [172004] Respect the text-anchor attribute for embedded SVG-fonts.
* [199176] Ensure QSvgGenerator handles fractional font sizes
* [151078] Fix parsing of embedded fonts in files that have <metadata> tags
- QSystemTrayIcon
* [195943] QSystemTrayIcon now accepts right mouse clicks on Mac OS X.
* [241613] Hide the tooltip when open the menu on Mac OS X.
* [237911] Only emit QMenu::triggered once on Mac OS X.
* [196024] Make it possible to disable context menus on Mac OS X.
- QTabBar
* [213374] Fixed position of label in vertical bar with stylesheet
- QtScript
* [177665] Added QScriptEngine::checkSyntax(), which provides information
about the syntactical (in)correctness of a program.
QScriptEngine::canEvaluate() has been obsoleted.
* [192955] Added the ability to exclude the QObject::deleteLater() slot
from the dynamic QObject binding, so that scripts can't delete
application objects.
* [212277] Fixed issue where the wrong prototype object was set when a
polymorphic type was returned from a slot.
* [213853] Fixed issue that could cause events to be processed less
frequently than what's set with QScriptEngine::setProcessEventsInterval().
* [217781] Fixed bug that caused the typeof operator to return "function"
when applied to a QObject wrapper object.
* [219412] Fixed bug that could cause the in operator to produce wrong results
for properties of Array objects.
* [227063] Fixed issue where a break statement caused an infinite loop.
* [231741] Fixed bug that could cause the implementation of the delete
operator to assert.
* [232987] QtScript now calls QObject::connectNotify() and
QObject::disconnectNotify().
* [233346] Fixed issue where the garbage collector would not be triggered when
very long strings were created, causing excessive memory usage.
* [233624] Fixed bug that caused enums in namespaces to be handled incorrectly.
* [235675] Fixed issue where creating a QScriptEngine would interfere with
ActiveQt's QVariant handling.
* [236467] Fixed bug that caused QtScript to treat a virtual slot redeclared by
a subclass as an overload of the base class's slot.
* [240331] Fixed bug that caused QtScript to crash when one of the unary
operators ++ and -- was applied to an undefined variable.
* If a signal has overloads, an error will now be thrown if you try to connect
to the signal only by name; the full signature of a specific overload must
be used.
* Added support for multi-line string literals.
* Added QScriptEngine::setGlobalObject().
* Made it possible to use reserved identifiers as property names in
contexts where there is no ambiguity.
- QTcpSocket
* [235173] Fixed a bug that would cause QTcpSocket re-enter
select(2) with an uninitialized timer (when the first call got
interrupted by a signal).
- QTextCursor
* [244408] Fixed regression in QTextCursor::WordUnderCursor behavior.
- QTextCodec
* [227865] QTextCodec::codecForIndex(int) broken in Qt3Support
- QTextEdit
* [164503, 232857] Fixed issues where using NoWrap caused
selection/background colors to not cover full width of text control.
* [186044] Fixed whitespace handling when copying text from Microsoft Word
or Firefox.
* [228406] Fixed parenthesis characters with RTL layout direction on
Embedded Linux.
* [189989] Fixed QTextEdit update after layout direction change.
- QTextStream
* [210933] It is now possible to specify a locale which
QTextStream should use for text conversions.
- QToolBar
* [193511] Fixed stylesheet on undocked toolbar
* [226487] Fixed the layout when the QMainWindow as a central widget with
fixed size.
* [220177] Fixed the layout not taking the spacing into account
- QToolButton
* [222578] Fixed issues with checked and disabled tool buttons in some
styles.
* Tool button now allows independent hover styling on it's subcontrols.
* [167075] [220448] [216715] Polished stylesheet color, background, and
border.
* [229397] Fixed regression against Qt3 where setPopupDelay(0) did not
work as expected.
- QToolTip
* [228416] Fixed style sheet tooltips on windows.
- QTreeView
* [220494] scrollTo() didn't scroll horizontally if the vertical bar was
already at the correct position.
* [216717] Fixed update when children are added.
* [225029] Fixed bug that prevented focus from being shown for
non-selectable items when allColumnsShowFocus is set to true.
* [226160] Fixed hit detection when first column is moved.
* [225539] Fixed a crash when deleting the model.
* [241208] Fixed animation when using persistent editors.
* [202073] Fixed visualRect which would not take the indentation into
account when 1st column is moved.
* [230123] Item can no more be expanded with keyboard if
setItemsExpandable has been set to false.
- QTreeWidget
* [243165] selectAll didn't work before the widget was shown
* [238003] setCurrentItem would not expand the parent item
* [223130] Fixed drag&drop when sort is enabled that would only drop the
first column.
* [223950] Only allow to drag items when they have the
Qt::ItemIsDragEnabled flag set.
* [218661] Made sure our internal model can pass the "modeltest" test
suite.
* [217309] Fixed issue that caused data() for CheckStateRole to return
Checked even if some children were partially checked.
* [229807] Fix a redrawing problem when scrolling with a different palette
role set on Mac OS X.
* [236868] Prevent a crash when dragging an item hidden by a tooltip on
Mac OS X.
- QLocale
* Added support for narrow format for day and month names.
* Day and month names can now also be fetched as a standalone text.
- QDebug
* Values of type QBool are now properly outputted with QDebug.
- QUndoStack
* [227714] Don't crash when owner group is deleted.
- QUrl
* [204981] Made the QUrl tolerant parser more tolerant
* Fixed a bug in QUrl's tolerant parsing of stray % characters
(not part of %HH sequences), which would cause it to make the
URL even worse
* [227069] Fixed a bug that would cause QUrl to not parse URLs
whose hostnames start with an IP address (like
http://1.2.3.4.example.com)
* [230642] Fixed a bug that made QUrl not properly produce proper
URLs with relative paths
* Modified QUrl to not normalize %HH in URLs unless strictly
necessary. QUrl now keeps the original %-encoding of the input
unless some operation is executed in the QString
components. This also allows for %2f to exist in path components.
- QVariant
* [215610] prevented assertion when reading from an invalid QDataStream.
- QWidget
* [222323] [217819] [209977] Improve Qt's font and palette propagation.
* [218568] Revert and reopen task 176809 ("when using
Qt::PreventContextMenu policy, the context key menu is still not sent to
the widget").
* [220502] Ensure that setWindowFilePath() when called with an empty
string clears the proxy icon in Mac OS X.
* [240147] Enforce exclusivity between the Qt::WA_(Normal|Small|Mini)Size
* [168641] Ensure that tablet releases go to the correct widget on X11 and
Carbon (i.e., the widget that received the press).
* [192565] Fixed a problem with calling QWidget::render(), using a
QPrinter as a paint device.
* [236565] [168570] Fix regression on X11 where QWidget::restoreGeometry()
would restore incorrect geometry if the window was maximized when saved.
* [201655] Fix QWidget::scroll() acceleration issue with child widgets on
Mac OS X.
* [210734] [210734] Fixed a bug where changing the visibility of alien
widgets did not generate proper enter/leave events.
* [228764] Major improvement of scroll performance.
* [238258] [229067] [239678] Flickering with widgets larger than
4096x4096 pixels in size.
* [141091] Added full support for Qt::WA_StaticContents.
* [238709] Fixed a bug where calling clearMask() did not update the view
properly.
* [213512] Fixed clipping issue with Qt::WA_PaintOutsidePaintEvent widgets.
* [230175] Added support for calling render() recursively.
* [238115] Fixed painting issues after calling winId().
- QWindowsStyle
* [210069] Fixed a bug in the drawing of comboboxes.
- QWindowsVistaStyle
* [221668] Respect background color role for item views.
* [227360] Current item now gets focus for multiselection views.
* [224251] Fixed incorrect painting of inverted and reversed progress
bars.
* [207836] Fixed a problem with vertical toolbar separators.
* [202895] Fixed problem where indeterminate progress bars were not
animated when Vista animations were explicitly disabled.
* [200899] Message box buttons are now right aligned.
- QWindowsXPStyle
* [207242] Fixed a static memleak.
* [206418] Fixed missing focus rect on tool buttons.
* [188850] Fixed a problem with offsets for sliders.
* [110091] Tool buttons with arrows are not styled using black
windows arrows due to consistency issues with the native theme.
- QWizard
* [204643] Make sure the maximum size of QWizard is computed properly.
- QWorkspace
* [125281] fixed active child to be the same when minimizing and restoring
the main window.
- QtWebKit
* ACID3 score 100 out of 100.
* Added support for plugins using Netscape Plugin API (NPAPI) for Windows,
Mac OS X, and X11.
* [211228] Fixed invisible focus rectangle on push buttons.
* [211256] Fixed dragging an image from the web view.
* [211273] Fixed static build of Qt with QtWebKit.
* [213966] Fixed wrong placement of native widget plugins after scrolling.
* [214946] Ensured native plugin instances are deleted properly.
* [217574] Fixed cursor problem on text input field after focus change.
* [218957] Fixed rendering of form elements when using Windows style.
* [219344] Added a remark that some web actions have an effect only
when contentEditable is true.
* [220127] Fixed mouse right click still allowed for disabled view.
* [222544] Added an option to print background elements.
* [222558] Fixed input method does not work after changing the focus.
* [222710, 222713] Fixed issues with TinyMCE editor.
* [223447] Ensured that CSS with relative path works on Windows.
* [224539] Fixed linkClicked() emitted only once for local anchor URLs.
* [225062] Fixed links do not work for QWebView embedded in QGraphicsScene.
* [227053] Fixed problem with percent encoded URLs.
* [230175] Fixed video rendering when embedded in Graphics View.
* [235270] Showed module name when plugin loading fails.
* [238330] Prevented multiple instantiation of native widget plugin.
* [238391] Prevented crash when printing to file is cancelled.
* [238662] Fixed function keys are not mapped.
* [241050] Implemented proper painting of CSS gradient.
* [241144] Ensured proper actions for some web action types.
* [241239] Ensured plugins are not loaded when disabled.
* [231301] Fixed an issue on Windows mobile when switching between input
modes.
- Q3ButtonGroup
* [238902] Q3ButtonGroup now looks for children recursively rather than
just the direct children like it did in Qt 3.
* [200764] Fixed insertion of buttons with IDs in arbitrary order.
- Q3FileDialog
* [230979] Fixed a crash after a resize and drag on scroll bars.
- Q3MainWindow
* [240766] Crash while resizing the window while updating layouts.
- Q3ListView
* [225648] Fixes infinite update.
- Q3ProgressBar
* [132254] Fixed incorrect painting when totalSteps = 0.
* [231137] Fixes progress bar disappearing if you set a style sheet to the
application.
- StyleSheets
* [224095] Fixed white space inside palette().
* Fixed setting style on the application may change the appearance of some
widgets.
* [209123] Fixed Stylesheets causing unnecessary paint events on
enterEvent() and leaveEvent().
* [209123] Fixed setting gradient background to custom widget.
- QXmlQuery
* [223539] Summary: "node" and other typekind keywords are not allowed as
an element name when part of for loop.
- QXmlStreamReader
* [207024] Added the QXmlStreamAttribute::hasAttribute() function.
* [231516] Regression: QXmlStreamWriter produces garbage in "version"
attribute of XMLDeclaration.
****************************************************************************
* Examples and demos *
****************************************************************************
- Pad Navigator example
* [236416] Provide a minimum window size for this example.
* [208616] No longer builds in console mode on Windows.
- Diagram Scene example
* [244996] Fix crash when changing the font of a text item and then
select other items.
****************************************************************************
* Database Drivers *
****************************************************************************
- Interbase driver
- MySQL driver
****************************************************************************
* QTestLib *
****************************************************************************
- QTestLib now supports writing benchmarks.
- Fixed an issue where tests returned exit code 0, even though tests
failed in some rare cases.
****************************************************************************
* Platform Specific Changes *
****************************************************************************
Unix
* Made the iconv-based QTextCodec class (the "System" codec on
Unix systems that support it) stateful. So it's now possible to
feed incomplete multibyte sequences to the toUnicode function,
as well as the first character in a UTF-16 surrogate pair.
X11
* Added a QGtkStyle to integrate with GTK+ based desktop environments.
* If font config is used the default font-substitutions will no longer be
used instead we rely on fontconfig to determine font substitutions as
required.
* Improved support for KDE4 desktop settings.
* [214071] Improved support for custom freedesktop icon themes.
* [195256] Use FreeType's subpixel filtering if available, thus honoring
Font Config's LCD filter settings.
* Added supported for XFIXES X11 extension for proper clipboard
support when non-Qt application owns the clipboard.
* Icon support for top level windows (_NET_WM_ICON) was improved
to support several icons with different sizes.
* [211240] In some cases QFileSystemWatcher didn't notify about
files that were moved over another files.
* [238743] Added support for the _NET_SYSTEM_TRAY_VISUAL property
to use the same visual the system tray manager asks us to use.
* [229593] Fix font matching with old fontconfig versions.
* [167873] Proper event compression for mouse events when using tablets.
* [208181] Fix averageCharWidth to be consistent for y!=x ppem
* [229070] Fix QPrintDialog assertion
* [211678] Fixed a problem with drawing a QPixmaps on different X11
screens.
* [221362] Fixed a problem where pixmaps only appeared on the first page
in a print preview.
* [232666] Fixed a problem with custom page sizes for CUPS printers.
* [228770] Fixed a problem that caused the .ps and .pdf filename
extensions
to not update in the CUPS printer dialog when printing to file.
* [230372] Fixed a problem where the number of copies set on a QPrinter
object wasn't picked up and updated properly in a QPrintDialog.
Windows
* Cleartype rendering was previously supported onto QImages with
an ARGB32 channel. For performance reasons, cleartype is now
only supported on opaque images using the RGB32 or
ARGB32_Premultipled format. Widget and pixmap rendering is
unchanged
* [175075] Antialiased font rendering quality has been greatly improved
by taking gamma correction into account. We should now match the native
Windows font rendering better, and the fonts look better in general when
drawing fonts on different backgrounds.
* [221132] Fixed a problem with System Tray menu visibility.
* [221653] Fixed a problem incorrectly causing a Task Bar status change.
* [202890] Improved platform consistency with spacing in menus.
* [157323] QCombobox now slides to open on relevant platforms.
* [237067] Calling showMessage on QSystemTrayIcon with empty arguments
now hides the current message.
* [145612] Setting an object name for a QThread sets the name that
is visible in the debugger for more easy debugging
multi-threaded application.
* [216664] QLocale now follows the current system locale when the
user changes it in the Windows Control Panel.
* [223921] Fix writing system detection of TrueType fonts added
via a QByteArray in QFontDatabase::addApplicationFont on Windows.
* [205455] 'mailto:' links works properly with QDesktopServices::openUrl().
* [205516] standardPalette() now returns the system palette for XP and
Vista styles.
* [207506] Fixed an issue which switches the alignment for input widgets
on Vista.
* [223951] Added support for VARIANT with IDispatch in ActiveQt.
* [224910] Fixed a crash when using the Hierarchy ActiveQt example.
* [201223] 'dumpcpp' now prepends the 'classname_' to resolve conflicts.
* [198556] QAxServer registering now takes care of '.' before MIME
extension.
* [223973] Fixed a deadlock in QLocalSocket.
* [193077] Fixed activation of ActiveQt widgets in MFC MDI applications.
* [238273] Fixed a crash while editing QTableView using japanese IME.
* [238672] Fixed a crash when deleting a widget while dragging.
* [241901] ActiveQt now supports [out VARIANT*] parameters.
* Fix a GDI object leak on the qfileiconprovider.
* [200269] Application and systray icons on Windows that had an alpha
channel were not drawn correctly.
* [239558] Fix a possible crash when reading XPM data containing trigraphs
with the Microsoft compilers.
* [204440] Fixed a problem with software rendering contexts on Windows,
which might have caused rendering errors due to to unresolved extension
pointers.
* [232263] Fixed a problem with binding textures to a software context
under Windows.
* [238715] Fixed a problem with alpha-blended cursors under Windows.
* [227297] and [232666] Fixed some problems with custom paper
sizes under Windows.
* [217259] The default printer wasn't correcly detected with some versions
of Windows.
* [212886] Fixed a problem with network printers not being listed by
the QPrinterInfo::availablePrinters() function under Windows.
* [205985] Fixed a problem with reusing a QPrinter object to print several
jobs with the Microsoft XPS printer driver.
* [196281] Fixed QPrinter::setPrintRange() to work under Windows.
Windows CE
* Support for QLocalSocket and QLocalServer added.
* QtWebKit and Phonon are now supported.
* One can mark a widget with the attribute WA_ExpectsKeyboardInput
to automatically display / hide the standard input panel on focus
events.
* [223523] Reimplementations of standard library functions filled the
global namespace causing problems when linking statically to other third
party libraries using the same attempt.
* Support for using OpenSSL with Qt on Windows CE
Mac OS X
* Added the macdeployqt tool that simplifies application deployment.
* Improved support of widget stylesheet in Mac.
* [218980] - Stacking order of windows and dialogs is fixed, such that
dialogs always floats above normal windows, even when the dialog is told
to behave as a window.
* [219844] - A crash that occurred when using the search buttons on a
native file dialog is fixed.
* [225705] - FileDialog filters not displaying correctly is fixed.
* [239155] - Pop-ups will now close when clicking on a window other than
the modal window that opened the pop-up.
* [210912] - Show event not sent when reshowing a window from minimized
state is fixed.
* [228017] - QMenu will now close when expanding a system menu.
* Added support for Qt to use Cocoa as its backend instead of Carbon. This
is primarily for 64-bit applications, but is also available for 32-bit
frameworks as well. 32-bit is still Carbon by default. Passing a 64-bit
architecture or -cocoa on the command-line will build Qt against Cocoa.
Using Cocoa requires Mac OS X 10.5 (or higher) and cannot be used with
the -static nor -no-frameworks option. The define QT_MAC_USE_COCOA is
available when Qt is built against Cocoa.
* Fix a bug that would prevent a window that had been maximized via
setMaximized() to go back to normal size when clicking on the window's
maximize button.
* Added QMacCocoaViewContainer for embedding Cocoa (NSView) controls into
a Qt hierarchy. This feature works for either Carbon or Cocoa, but
requires Mac OS X 10.5 or greater.
* Added QMacNativeWidget for embedding Qt widgets into non-Qt windows
(Carbon or Cocoa).
* Added MacWindowToolBarButtonHint for controlling whether or not the
toolbar button is shown in Qt windows.
* QEvents posted via QEventLoop::postEvent() are now treated as a standard
event loop source, like timers and normal input events. This means that
is should no longer be necessary to run a busy loop to sendPostedEvents()
when QApplication is not the main event loop (e.g. when using Qt in a
plugin).
* [239646] Shortcuts for sub-menu are now disabled when the menu item is
disabled.
* [241434] Honor the LSBackgroundOnly attribute if it exists in the
application's Info.plist.
* [239908] More robustness when encountering different types in reading
LSUIElement value.
* [234742] Add support Qt::XButton1 and Qt::XButton2.
* [236203] Much better support for loading multiple Qt's with different
namespaces.
* Add Qt::AA_MacPluginApplication that allows bypassing some native menu
bar initialization that is usually not desired when running Qt in a
plugin.
* [205297] Applications Dialogs are now marked as application modal in
Carbon.
* Tooltip base is now set correctly in the application palette.
* [222912] [241603] Qt applications no longer reset their palette back to
the system palette on every application activate. Only if the values
from the system are different from the last time. This should result in
custom palette colors/brushes being kept across application activations.
* [211758] Fixed a clipping problem when printing multiple pages on a Mac
OS X printer.
* [212884] Fixed a crash when printing images on Mac OS X.
* [219877] Fixed a problem with a QPrinter object not being valid after
setting the output format to PDF or PostScript.
* [229406] Fixed crash when display mirroring gets enabled.
* [189588] Fixed a bug where QColorDialog::getColor(...) always returned a
valid color.
Qt for Embedded Linux
- Screen drivers
* The SVGAlib driver is no longer supported, due to architectural changes.
* [235785] Detect VGA16 video mode and warn that it is not supported.
- Mouse and keyboard drivers
* [243374] Fixed bug where PC mouse driver could not be loaded when
configured as loadable plugins.
* Added Linux Input Subsystem mouse and keypad drivers
- General fixes
* [242922] Run as server by default when compiled with the
QT_NO_QWS_MULTIPROCESS macro defined.
* Fixed bugs where wrong cursor would be shown in some cases.
* Respect min/max size on initial show also for windows without a layout.
* Fixed loading of font plugins when QT_NO_FREETYPE is defined.
* Autodetect PowerPC in configure.
* Add support for precompiled headers.
****************************************************************************
* Compiler Specific Changes *
****************************************************************************
****************************************************************************
* Tools *
****************************************************************************
- Build System
* [218795] add support for -nomake configure option on Windows to
exclude build parts like on other platforms
* The -tablet configure option on X11 was renamed to -xinput
* [136723] Have moc issue a warning if a Q_PROPERTY declaration does not
contain a READ accessor function.
* [188529] Fixed bug that caused moc to get stuck in an infinite loop if
two files included eachother and the include path had the prefix "./".
* [203379] Changed moc code generator so that lint no longer reports
problems with the generated code.
* [210879] moc no longer generates any implementation for pure virtual
signals.
* [234909] Fixed bug that caused moc to treat /*/ as a full C comment.
- Assistant
- Designer
* Added filter widgets in Widget Box and Property Editor.
* Added layout state display to Object Inspector.
* Enabled changing the layout type of laid-out containers.
* Added handling of spanning QFormLayout columns.
* Added convenience dialog to quickly populate QFormLayouts.
* Added support for embedded device design profiles.
* Changed the selection modifiers to comply to standards; enabled
rectangle selection using the middle mouse button; added
shift-click-modifier to cycle parents when selecting.
* Added "translatable" flag and disambiguation comment to string
properties.
* Added attribute editors to item-based widgets.
* Changed QUiLoader to use QXmlStreamReader instead of QDom.
* Ui files with unknown elements are now rejected.
* [123592] While dropping a dock widget a main window - make the dock
"docked".
* [126269] Added the ability to morph widgets into compatible widgets.
* [126997] Added support for QButtonGroup.
* [145813] Added a listing function to obtain the available layouts to
QUiLoader.
* [155837] Added support for QWizard.
* [164520] Added automatic detection of changes to the qrc resource files
from external sources.
* [166501] Added "translatable" checkbox to string properties making it
possible to exclude it from the translation.
* [171900] Indicate Qt 3 compatibility signals and slots using a different
color.
* [173873] Position pasted widgets at mouse position if possible.
* [183637] Introduced Widget Box "Icon view" mode to reduce scrolling,
available via context menu.
* [183671] Added automatic retranslation upon language change of UIs
loaded via QUiLoader.
* [185283] Added incremental search facility to Object Inspector.
* [191789] Added pkgconfig-Files for Qt Designer libraries.
* [198414] Enabled promotion of QMenu/QMenuBar by object inspector context
menu.
* [201505] Extended QDesignerIntegration::objectNameChanged() to pass on
old object name.
* [202256] Fixed action editor and object inspector not to resize header
when switching forms.
* [211422] Fixed QScrollArea support to handle custom QScrollArea widgets
with internal children.
* [211906] Enable promotion of unmanaged widgets by object inspector
context menu.
* [211962] Enabled widgets to span columns in a QFormLayout.
* [212378] Made the rich text editor dialog, the plain text editor dialog
and the style sheet editor dialog remember their geometry.
* [213481] Fixed a crash while form loading by preventing it from
adding layouts to unknown layout types.
* [219381] Fixed Action editor to reflect changing the shortcut in the
property editor.
* [219382] Added tooltip, checkable and shortcut properties to the action
editor dialog.
* [219405] Added support for the stretch and minimum size properties of
QBoxLayout and QGridLayout.
* [219492] Added an icon preview to the resource image file dialog on X11.
* [220148] Fixed handling of the QMainWindow::unifiedTitleAndToolBarOnMac
property.
* [223114] Fixed a crash on removing a dynamic QUrl property.
* [229568] Added Q3ComboBox.
* [230818] Fixed a bug which caused duplicate names to occur when
copying & pasting spacers.
* [233403] Fixed a painting bug which caused red line layout markers to
disappear depending on grid settings.
* [233711] Added a warning when saving a container-extension-type
container with unmanaged pages.
* [234222] Fixed a bug which caused the autoFillBackground property to be
reset during Drag and Drop operations.
* [234326] Fixed the QDesignerIntegration::objectNameChanged() signal to
work correctly.
* [236193] Fixed a crash caused by invalid QSizePolicy values resulting
from Qt 3 conversion.
* [238524] Ignore constructor-added items of custom widgets inheriting
QComboBox.
* [238707] Fixed pkgconfig file generation to honour -qt-libinfix.
* [238907] Disabled reordering of Spacers and Layouts causing uic to
warn "<name> isn't a valid widget".
* [232811] Correctly show empty string values in preview.
* [214637] Single click expands/collapses classes in property editor
* [241949] Update the object inspector properly in case of undoing a
reparent widget command.
- uic
* Ui files with unknown XML elements are now rejected.
* [220796] Added code for adding items to widgets of class Q3ComboBox.
- uic3
* [231911] Fixed the conversion of boolean font attributes.
* [233802] Fixed -extract option on Windows.
* [236193] Fixed the conversion of QSizePolicy's "Ignored" value.
- Linguist
- Linguist GUI
* Much improved form preview tool
* Removed translations column from message index for it being useless.
* Phrasebooks have language settings now
* [141788] Support translating into multiple languages simultaneously.
* [183210] Whitespace is now visualized
* [182866] Font resizing in translation textedits
* [187765] Support opening files via Drag & Drop
- Entire Linguist toolchain
- [201713] Add support for specifying the source language.
- file formats
* The .qm files now can be read back by the toolchain, not only Qt.
* Added support for GNU Gettext .po files.
- Qt's own .ts format
* New element <extracomment> to store purely informative comments
* New element <translatorcomment> to store comments from translators
* New element wildcard <extra:*> to support user extensions
* New elements <oldsource> and <oldcomment> to store values from
before the last heuristic merge by lupdate
- lupdate
* Parse //: and /*: */ comments as extra comments for translations.
* Added support for new QT_TR*() macros.
* Added support for QtScript.
* Better error reporting.
* More accurate processing of .pro files.
* Added options -disable-heuristic, -nosort, -target-language,
-source-language.
* [197391] Support for storing source code references with relative
line numbers or no references at all. Omit line numbers from .ui file
references at all. These reduce the size of patches and avoid merge
conflicts. Option -locations.
* [197818] Add support for UTF-16 encoded sources.
* [209778, 222637] Somewhat improved C++ parser, in particular with
respect to namespaces.
* [218671] Accept Q_DECLARE_TR_FUNCTIONS.
* [212465] Default context is now the empty string, not "@default".
This codifies what previously was an intermittent bug.
* [220459] Collect all source code references for each message.
- lconvert
* New tool for converting between file formats and filtering file contents.
- configure
- qtconfig
* Added option to set style and palette settings back to system defaults.
- qt3to4
* [218928] [219127] [219132] [219482] Misc. updates to the porting replacement rules.
****************************************************************************
* Plugins *
****************************************************************************
- QTiffPlugin
- QSvgIconEngine
****************************************************************************
* Important Behavior Changes *
****************************************************************************
- Event filters
- QFileDialog
On Mac, native dialogs are now used when calling show, open, or exec
on a QFileDialog, QColorDialog, QPrintDialog, or QFontDialog (i.e not
only when using the static functions)
QFileDialog/QFileSystemModel always return Qt separators ("/")
regardless of the platform. It can still handle native separators for
Windows. To convert the Qt separators to native separators use
QDir::toNativeSeparators().
- QGraphicsTextItem
Tab input is send to the document by default, inserting a <tab>
character. You can get the old behavior of switching Tab focus by
setting setTabChangesFocus(true) (QGraphicsTextItem's Tab handling now
behaves identically to QTextEdit and QTextBrowser).
- QGraphicsView
QGraphicsView now propagates Qt::Key_Tab and Qt::Key_Backtab to the
scene, which sends this to the items. Similar to how QWidget works,
this event is caught in QGraphicsItem::sceneEvent() and
QGraphicsWidget::event() to handle tab input. Tab input is also
proxied to embedded widgets. This allows and item or widget to handle
Tab keys (e.g., text input).
- QLocale
The locale database was updated to the Unicode CLDR database
version 1.6.1
When the system locale is changed, the LocaleChange event will
be sent to all widgets that don't have a locale explicitely
set.
- QWebPage
Starting with Qt 4.5, the base brush is used for the default
background color of the web page. Before, it was the background
brush.
- QWidget
Font and palette settings assigned to QWidget directly take
precedence over application fonts and palettes.
Focus policies that are set on a widget are now propagated to
a focus proxy widget if there is one.
Windows with fixed size (that are set with QWidget::setFixedSize()
function or Qt::MSWindowsFixedSizeDialogHint window hint) might
not have a maximize button on the titlebar.
The behaviour of the window hints was changed to follow the
documentation. When the Qt::CustomizeWindowHint is set, the
window will not have a titlebar, system menu and titlebar
buttons unless the corresponding window hints were explicitely
set.
Setting Qt::WA_PaintOnScreen no longer has any effect on
normal widgets. The flag can still be used in conjuction with
reimplementing paintEngine() to return 0 so that GDI or
DirectX can be used, as previously documented.
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