601d685849
If we request a substring starting at the very end of the string,
QString::mid should return an empty string, not a null string.
For instance, QString("abc").mid(3, 0) used to return a null
one, while this patch makes it return an empty one. The
same thing applies to QString::midRef() and QByteArray::mid().
Change-Id: Ie9efd7a0622d429efd0fb682c19856c19e9469af
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
386 lines
15 KiB
Plaintext
386 lines
15 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::construct() has been renamed to QMetaType::create().
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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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- 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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- 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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- 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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****************************************************************************
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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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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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* QWidget::setInputContext() and QApplication::setInputContext() are removed.
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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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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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****************************************************************************
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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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- 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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