269ef14215
If an invalid range of rows is specified, it's likely to be a programming or user error. The old behavior of ignoring out of range rows seems dangerous and complicates the code. Also implement the documented behavior of returning false if changes are unsuccessful for OnFieldChange and OnRowChange. Previously the return value of submit() was ignored. Updated and improved documentation. Change-Id: Iaaf51c6d9a0c8c06fd5d186b4b88358fbeab9936 Reviewed-by: Yunqiao Yin <charles.yin@nokia.com>
461 lines
18 KiB
Plaintext
461 lines
18 KiB
Plaintext
Some of the changes listed in this file include issue tracking numbers
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corresponding to tasks in the Qt Bug Tracker:
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http://bugreports.qt.nokia.com/
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Each of these identifiers can be entered in the bug tracker to obtain more
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information about a particular change.
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****************************************************************************
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* Source incompatible changes *
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****************************************************************************
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- QSslCertificate::subjectInfo() and QSslCertificate::issuerInfo() now
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return a QStringList instead of a QString
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- QSslCertificate::isValid() has been deprecated. Originally it only checked
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the certificate dates, but later checking for blacklisting was added. Now
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there's a more specific QSslCertificate::isBlacklisted() method.
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- Unite clipping support has been removed from QPainter. The alternative is
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to unite QRegion's and using the result on QPainter.
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- QLibrary::resolve() now returns a function pointer instead of a void
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pointer.
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- QSslCertificate::alternateSubjectNames() is deprecated (but can be enabled
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via QT_DISABLE_DEPRECATED_BEFORE), use
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QSslCertificate::subjectAlternativeNames() instead.
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- QLibraryInfo::buildKey() has been removed. Likewise, the QT_BUILD_KEY
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preprocessor #define has also been removed. The build-key is obsolete
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and is no longer necessary.
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- QCoreApplication::translate() will no longer return the source text when
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the translation is empty. Use lrelease -removeidentical for optimization.
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- Qt::escape() is deprecated (but can be enabled via
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QT_DISABLE_DEPRECATED_BEFORE), use QString::toHtmlEscaped() instead.
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- QBool is gone. QString::contains, QByteArray::contains, and QList::contains
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used to return an internal QBool class so that the Qt3 code
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"if (a.contains() == 2)" wouldn't compile anymore. Such code cannot exist
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in Qt4, so these methods return a bool now. If your code used the undocumented
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QBool, simply replace it with bool.
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- QMetaType:
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* QMetaType::construct() has been renamed to QMetaType::create().
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* QMetaType::unregisterType() has been removed.
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- QTestLib:
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* The QTRY_VERIFY and QTRY_COMPARE macros have been moved into QTestLib.
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These macros formerly lived in tests/shared/util.h but are now provided
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by including the <QtTest/QtTest> header. In addition,
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QTRY_VERIFY_WITH_TIMEOUT and QTRY_COMPARE_WITH_TIMEOUT are provided,
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allowing for specifying custom timeout values.
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* The QTEST_NOOP_MAIN macro has been removed from the API. If a test is
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known at compile-time to be inapplicable for a particular build it should
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be omitted via .pro file logic, or the test should call QSKIP in the
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initTestCase() method to skip the entire test and report a meaningful
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explanation in the test log.
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* The DEPENDS_ON macro has been removed from the API. This macro did nothing
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and misled some users to believe that they could make test functions depend
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on each other or impose an execution order on test functions.
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* The QTest::qt_snprintf function has been removed from the API. This was an
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internal testlib function that was exposed in the public API due to its use
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in a public macro. Any calls to this function should be replaced by a call
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to qsnprintf(), which comes from the <QtCore/QByteArray> header.
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* The QTest::pixmapsAreEqual() function has been removed from the API.
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Comparison of QPixmap objects should be done using QCOMPARE, which provides
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more informative output in the event of a failure.
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* The QSKIP macro no longer has the "mode" parameter, which caused problems
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for calculating test metrics, as the SkipAll mode hid information about
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what test data was skipped. Calling QSKIP in a test function now behaves
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like SkipSingle -- skipping a non-data-driven test function or skipping
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only the current data row of a data-driven test function. Every skipped
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data row is now reported in the test log.
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- The QSsl::TlsV1 enum value was renamed to QSsl::TlsV1_0 .
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- QAccessible:
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* Internal QAccessible::State enum value HasInvokeExtension removed
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- QAccessibleInterface:
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* The "child" integer parameters have been removed. This moves the api
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to be closer to IAccessible2.
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This means several functions lose their integer parameter:
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text(Text t, int child) -> text(Text t), rect(int child) -> rect()
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setText(Text t, int child, const QString &text) -> setText(Text t, const QString &text)
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role(int child) -> role(), state(int child) -> state()
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relationTo(int child, const QAccessibleInterface *other, int otherChild) ->
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relationTo(const QAccessibleInterface *other)
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* Accessible-Action related functions have been removed. QAccessibleInterface
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subclasses are expected to implement the QAccessibleActionInterface instead.
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These functions have been removed:
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QAccessibleInterface::userActionCount, QAccessibleInterface::actionText,
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QAccessibleInterface::doAction
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- QAccessibleEvent also loses the child parameter.
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QAccessibleEvent(Type type, int child) -> QAccessibleEvent(Type type)
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QAccessibleEvent::child() removed.
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- QAccessibleActionInterface:
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* Refactored to be based on action names. All functions have been changed from using
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int parameters to strings.
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- QSound has been moved from QtGui to QtMultimedia
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- QTabletEvent::QTabletEvent does not take a hiResGlobalPos argument anymore,
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as all coordinates are floating point based now.
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- QTouchEvent:
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* The DeviceType enum and deviceType() have been deprecated due to
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the introduction of QTouchDevice.
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* The signature of the constructor has changed. It now takes a
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QTouchDevice pointer instead of just a DeviceType value.
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* TouchPointState no longer includes TouchPointStateMask and
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TouchPointPrimary. QTouchEvent::TouchPoint::isPrimary() has
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been removed.
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* QWidget *widget() has been removed and is replaced by QObject
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*target() in order to avoid QWidget dependencies.
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- QMetaType
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* It is no longer possible to use Q_DECLARE_METATYPE(Foo*) where Foo is only
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forward declared - it must be fully defined.
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- QItemEditorFactory
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* The signature of the createEditor and valuePropertyName methods
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have been changed to take arguments of type int instead of QVariant::Type.
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- QWindowSystemInterface:
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* The signature of all handleTouchEvent() variants have changed,
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taking a QTouchDevice* instead of just a DeviceType value.
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Platform or generic plug-ins have to create and register at least
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one QTouchDevice before sending the first touch event.
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* The event type parameter is removed from handleTouchEvent().
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- The previously exported function qt_translateRawTouchEvent() has been removed.
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Use QWindowSystemInterface::handleTouchEvent() instead.
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- QAbstractEventDispatcher
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* The signature for the pure-virtual registerTimer() has changed. Subclasses
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of QAbstractEventDispatcher will need to be updated to reimplement the new
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pure-virtual 'virtual void registerTimer(int timerId, int interval,
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Qt::TimerType timerType, QObject *object) = 0;'
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* QAbstractEventDispatcher::TimerInfo is no longer a QPair<int, int>. It is
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now a struct with 3 members: struct TimerInfo { int timerId; int interval;
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Qt::TimerType timerType; }; Reimplementations of
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QAbstractEventDispatcher::registeredTimers() will need to be updated to pass
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3 arguments to the TimerInfo constructor (instead of 2).
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- QUuid
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* Removed implicit conversion operator QUuid::operator QString(), instead
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QUuid::toString() function should be used.
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- The QHttp, QHttpHeader, QHttpResponseHeader and QHttpRequestHeader classes have
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been removed, QNetworkAccessManager should be used instead.
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- The QFtp class is no longer exported, QNetworkAccessManager should be used
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instead.
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- QProcess
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* On Windows, QProcess::ForwardedChannels will not forward the output of GUI
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applications anymore, if they do not create a console.
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- QAbstractSocket's connectToHost() and disconnectFromHost() are now virtual and
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connectToHostImplementation() and disconnectFromHostImplementation() don't exist.
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- QTcpServer::incomingConnection() now takes a qintptr instead of an int.
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- QNetworkConfiguration::bearerName() removed, and bearerTypeName() should be used.
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- QDir::convertSeparators() (deprecated since Qt 4.2) has been removed. Use
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QDir::toNativeSeparators() instead.
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- QIconEngineV2 was merged into QIconEngine
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You might need to adjust your code if it used a QIconEngine.
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- qmake
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* several functions and built-in variables were modified to return normalized paths.
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- QTextCodecPlugin has been removed since it is no longer used. All text codecs
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are now built into QtCore.
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- QDir::NoDotAndDotDot is QDir::NoDot|QDir::NoDotDot therefore there is no need
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to use or check both.
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- QLocale
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* toShort(), toUShort(), toInt(), toUInt(), toLongLong() and toULongLong() no
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longer take a parameter for base, they will only perform localised base 10
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conversions. For converting other bases use the QString methods instead.
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- QSystemLocale has been removed from the public API.
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****************************************************************************
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* General *
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****************************************************************************
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General Improvements
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--------------------
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- The directory structure of the qtbase unit-tests has been reworked to
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more closely match the directory structure of the code under test.
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Integration tests have been moved to tests/auto/integrationtests.
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Third party components
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----------------------
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-
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****************************************************************************
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* Library *
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****************************************************************************
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QtCore
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------
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* drop a bogus QChar::NoCategory enum value; the proper QChar::Other_NotAssigned
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value is returned for an unassigned codepoints now.
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* layoutAboutToBeChanged is no longer emitted by QAbstractItemModel::beginMoveRows.
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layoutChanged is no longer emitted by QAbstractItemModel::endMoveRows. Proxy models
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should now also connect to (and disconnect from) the rowsAboutToBeMoved and
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rowsMoved signals.
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* The default value of the property QSortFilterProxyModel::dynamicSortFilter was
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changed from false to true.
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* The signature of the virtual QAbstractItemView::dataChanged method has changed to
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include the roles which have changed. The signature is consistent with the dataChanged
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signal in the model.
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* QFileSystemWatcher is now able to return failure in case of errors whilst
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altering the watchlist in both the singular and QStringList overloads of
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addPath and removePath.
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* QString::mid, QString::midRef and QByteArray::mid, if the position passed
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is equal to the length (that is, right after the last character/byte),
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now return an empty QString, QStringRef or QByteArray respectively.
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in Qt 4 they returned a null QString or a null QStringRef.
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* QString methods toLongLong(), toULongLong(), toLong(), toULong(), toInt(),
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toUInt(), toShort(), toUShort(), toDouble(), and toFloat() no longer use the
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default or system locale, they will always use the C locale. This is to
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guarantee consistent default conversion of strings. For locale-aware conversions
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use the equivalent QLocale methods.
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* QDate, QTime, and QDateTime have undergone important behavioural changes:
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* QDate only implements the Gregorian calendar, the switch to the Julian
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calendar before 1582 has been removed. This means all QDate methods will
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return different results for dates prior to 15 October 1582, and there is
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no longer a gap between 4 October 1582 and 15 October 1582.
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* QDate::setYMD() is deprecated, use QDate::setDate() instead
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* Most methods now apply strict validity checks and will return appropriate
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and consistent values when invalid. For example, QDate::year() will return
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0 and QDate::shortMonthName() will return QString().
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* Adding days to a null QDate or seconds to a null QTime will no longer return
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a valid QDate/QTime.
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* QDate stores the Julian Day as a qint64 extending date support across a
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more interesting range, see the class documentation for details.
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* Conversion to YMD form dates is only accurate between to 4800 BCE to
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1.4 million CE
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* The QDate::addDays() and QDateTime::addDays() methods now take a qint64
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* The QDate::daysTo() and QDateTime::daysTo() methods now return a qint64
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* QIntValidator and QDoubleValidator no longer fall back to using the C locale if
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the requested locale fails to validate the input.
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QtGui
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-----
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* Accessibility has been refactored. The hierachy of accessible objects is implemented via
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proper parent/child functions instead of using navigate which has been deprecated for this purpose.
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Table and cell interfaces have been added to qaccessible2.h
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* Touch events and points have been extended to hold additional
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information like capability flags, point-specific flags, velocity,
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and raw positions.
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QtWidgets
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---------
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* QInputContext removed as well as related getters and setters on QWidget and QApplication.
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Input contexts are now platform specific.
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* QInputDialog::getInteger() has been obsoleted. Use QInputDialog::getInt() instead.
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* In Qt 4, many QStyleOption subclasses were introduced in order to keep
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binary compatibility -- QStyleOption was designed to be extended this way,
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in fact it embeds a version number. In Qt 5 the various QStyleOption*V{2,3,4}
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classes have been removed, and their members merged into the respective
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base classes. Those classes were left as typedefs to keep existing code
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working. Still, some minor adjustements could be necessary, especially in code
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that uses QStyleOption directly and does not initialize all the members using
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the proper Qt API: due to the version bump, QStyle will try to use the additional
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QStyleOption members, which are left default-initialized.
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QtNetwork
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---------
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* QHostAddress::isLoopback() API added. Returns true if the address is
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one of the IP loopback addresses.
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* QSslCertificate::serialNumber() now always returns the serial number in
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hexadecimal format.
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* The openssl network backend now reads the ssl configuration file allowing
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the use of openssl engines.
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QtOpenGL
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--------
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QtScript
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--------
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QTestLib
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--------
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* [QTBUG-20615] Autotests can now log test output to multiple destinations
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and log formats simultaneously.
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* removeRows() no longer emits extra beforeDelete signal for out of range row.
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* removeRows() now requires the whole range of targetted rows to be valid
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before doing anything. Previously, it would remove what it could and
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ignore the rest of the range.
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****************************************************************************
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* Database Drivers *
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****************************************************************************
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****************************************************************************
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* Platform Specific Changes *
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****************************************************************************
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Qt for Linux/X11
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----------------
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Qt for Windows
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--------------
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* Accessibility framework uses IAccessible2
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Qt for Mac OS X
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---------------
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Qt for Embedded Linux
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---------------------
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Qt for Windows CE
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-----------------
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****************************************************************************
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* Compiler Specific Changes *
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****************************************************************************
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****************************************************************************
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* Tools *
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****************************************************************************
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- Build System
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* Remove qttest_p4.prf file. From now on we should explicitly enable the
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things from it which we want. Autotest .pro files should stop using
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'load(qttest_p4)' and start using 'CONFIG+=testcase' instead.
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- Assistant
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- Designer
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* [QTBUG-8926] [QTBUG-20440] Properties of type QStringList now have
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translation attributes which apply to all items.
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They are by default translatable.
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- Linguist
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- rcc
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- moc
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* [QTBUG-20785] The moc now has a -b<file> option to #include an additional
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file at the beginning of the generated file.
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- uic
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- uic3
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- qmake
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* QMAKE_MOC_OPTIONS variable is now available for passing additional parameters
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to the moc.
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- configure
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- qtconfig
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****************************************************************************
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* Plugins *
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****************************************************************************
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- The text codecs that were previously plugins are now built into QtCore.
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****************************************************************************
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* Important Behavior Changes *
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****************************************************************************
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- QPointer
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* QPointer itself is now deprecated, and the implementation of QPointer
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has been changed to use QWeakPointer. The old guard mechanism has been
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removed. This causes two slight changes in behavior when using
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QPointer:
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* When using QPointer on a QWidget (or a subclass of QWidget), previously
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the QPointer would be cleared by the QWidget destructor. Now, the QPointer
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is cleared by the QObject destructor (since this is when QWeakPointers are
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cleared). Any QPointers tracking a widget will NOT be cleared before the
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QWidget destructor destroys the children for the widget being tracked.
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* When constructing a QSharedPointer to take ownership of an object after a
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QPointer is already tracking the object. Previously, the shared pointer
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construction would not be affected by the QPointer, but now that QPointer
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is implemented using QWeakPoiner, constructing the QSharedPointer will
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cause an abort().
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- QVariant
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* Definition of QVariant::UserType changed. Currently it is the same as
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QMetaType::User, which means that it points to the first registered custom
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type, instead of a nonexistent type.
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- QMessageBox
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* The static function QMessageBox::question has changed the default argument
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for buttons. Before the default was to have an Ok button. That is changed
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to having a yes and a no button.
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