This fixes two issues with QPropery:
1. QPropertyBindingPrivate::evaluateIfDirtyAndReturnTrueIfValueChanged
calls a user provided evaluaton function. That one might actually
destroy the binding and delete the QPropertyBindingPrivate instance.
We need however to keep it alive until the function returns.
2. There was an infinite loop between QPropertyObserverPointer::notify
and QPropertyBindingPrivate::markDirtyAndNotifyObservers. This can be
observed when running tst_palette in qqc2. By returning early in
markDirtyAndNotifyObservers if dirty is already set, the issue is
avoided.
Change-Id: I1f0df05a5a9fa98554183263a25e16747c4d2274
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Simon Hausmann <hausmann@gmail.com>
Comparing threadIds is faster, especially if invoked from a non qt thread,
where QThread::currentThread() needs to create a QAdoptedThread/QThreadData first.
Pick-to: 5.15
Change-Id: I44b3013283754f1a5ac9d62debcf4c82be77c554
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
QThreadPool is a QObject and must be deleted if the QCoreApplication
is being destroyed to release the underlying ThreadData.
A Q_GLOBAL_STATIC won't release any memory is not able to
manually release it.
Pick-to: 5.15
Task-number: QTBUG-84234
Change-Id: Ia82bcff2b564b753ed687f025ff86fa1bed1e64c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
And name the main class QList. That's also the one we document.
This gives less porting pain for our users, and a lot less churn
in our API, as we use QList in Qt 5 in 95% of our API.
In addition, it gives more consistent naming with QStringList and
QByteArrayList and disambiguates QList vs QVector(2|3|4)D.
Fixes: QTBUG-84468
Change-Id: I3cba9d1d3179969d8bf9320b31be2230d021d1a9
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
* Assume UTF-8 on all Unix like systems
* Export some functions to be able to compile QTextCodec once
moved to Qt5Compat.
Task-number: QTBUG-75665
Change-Id: I52ec47a848bc0ba72e9c7689668b1bcc5d736c29
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
There is no reason for keep using our macro now that we have C++17.
The macro itself is left in for the moment being, as well as its
detection logic, because it's needed for C code (not everything
supports C11 yet). A few more cleanups will arrive in the next few
patches.
Note that this is a mere search/replace; some places were using
double braces to work around the presence of commas in a macro, no
attempt has been done to fix those.
tst_qglobal had just some minor changes to keep testing the macro.
Change-Id: I1c1c397d9f3e63db3338842bf350c9069ea57639
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
This way we can take and return more datatypes than qreal,
just piggy-backing on the std:: functions (which take any
integral and any fp datatype).
This makes these functions pure ADL enablers (like qSwap).
A type (hi, QAngle!) that wants to have math related functions
simply needs those defined in its own namespace using the
"standard" names (sin, cos, etc.); and we'll find them
using the q-prefixed function.
qCeil and qFloor signatures however still return int
to avoid too much breakage.
The FP-related functions (qIsInf, etc.) have been left
alone. Those are "special"; a lot of care is in qnumeric
because some implementations define them as macros, which
blocks any possibility of user-defined overloads found via
ADL.
[ChangeLog][QtCore][QtMath] The math-related functions
(such as qSin, qCos, qPow and so on) can now take an
arbitrary parameter rather than just qreal. They will do
a ADL-enabled call to the respective free function, using
the functions in namespace std as a fallback. Moreover,
they will now return whatever datatype is returned by the
free function (e.g. long double if the call is placed on
a long double).
Change-Id: I111084eda52556663802e65a85e082187c2a6861
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Warn about using an invalid type id in all cases. So far, only some
constructors of QVariant would warn. Move the warning over to
the place where we map a typeid to a QMetaTypeInterface to catch all
cases.
Change-Id: I4cd48a2b5d6c597dbf2afbeae9b811cd0819b768
Reviewed-by: Karsten Heimrich <karsten.heimrich@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
And inline the copy constructor forwarding to another one.
Change-Id: I3c4f76f7b14edd84f512ef0687416b20940e333a
Reviewed-by: Karsten Heimrich <karsten.heimrich@qt.io>
This is required if we want to be able to get rid of the property
cache.
Also reserve a flag for var properties, in case it turns out that we
need to keep the distinction between var and QVariant properties in QML.
Change-Id: I55c2191adcc2d94bd8f148216e26423defaa900f
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Remove QMetaProperty index member. Instead, add a function to compute it
on demand from the QMetaObject.
Also remove the remains of the signature function.
Original-patch-by: Lars Knoll <lars.knoll@qt.io>
Change-Id: I5b16d444e7474216a535e3e93a118825cd0e6090
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
This changes the layout of the meta object data, so
also bump the meta object revision.
Original-patch-by: Lars Knoll <lars.knoll@qt.io>
Change-Id: I176fb16c207e8ebe59e358e69554be813406232f
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Property flags should be compile time booleans, not something to
be determined at runtime.
We've been using this to dynamically disable some properties in QWidget
based classes dependent on the state of a different property, but this
should better get implemented on top of our widgets.
Change-Id: I6296e8761303ecdf24d9e842142e8596304c015d
Reviewed-by: Simon Hausmann <hausmann@gmail.com>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Centralize the offset handling in one place and avoid lots of magic
numbers in various places. Expose the number of ints per method in
QMetaObjectPrivate as a constant, so that code in other places can
access it via private API.
Change-Id: I59790287a17ea47e6160ec65d9c8d0aaee748947
Reviewed-by: Simon Hausmann <hausmann@gmail.com>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
On Windows 7, it has been observed that the time zone registry key
is a string of size 256 padded with 0. Use QString::fromWCharArray(),
relying on 0-termination to cope with it.
Pick-to: 5.15
Fixes: QTBUG-84455
Change-Id: I5d242e2de73c1ea09344aee8de8eea941bc52bab
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Make QPair an alias for std::pair, and qMakePair just a forwarder
towards std::make_pair.
Why? Fundamentally to ditch a bunch of NIH code; gain for free
structured bindings, std::tuple and std::reference_wrapper
compatibility, and so on.
Breakages:
* Some that code manually forward declares QPair.
We don't care about it (<QContainerFwd> is the proper way).
* Some code that overloads on std::pair and QPair. Luckily
it's mostly centralized: debug, metatypes, testing macros.
Just remove the QPair overload.
* Usages of qMakePair forcing the template type parameters.
There are a handful of these in qtbase, but only one was actually
broken.
* std::pair is NOT (and will never likely be) trivially copiable.
This is agreed to be a mistake done by practically all implementations
in C++11, can can't be fixed without breaking ABI.
Some code using QPair assuming it's trivially copiable may break;
exactly one occurrence was in qtbase.
* QMetaType logic extracts the type names in two different ways,
one by looking at the source code string (e.g. extracted by moc)
and one via some ad-hoc reflection in C++. We need to make
"QPair" (as spelled in the source code) be the same as "std::pair"
(gathered via reflection, which will see through the alias)
when compared. The way it's already done e.g. for QList is
by actually replacing the moc-extracted name with the name
of the actual type used in C++; do the same here.
On libc++, std::pair is actually in an inline namespace --
i.e. std::__1::pair; the reflection will extract and store
"std::__1::pair" so we need an ad-hoc fix to QMetaType.
[ChangeLog][QtCore][QPair] QPair is now an alias to std::pair,
and does not exist as a class in Qt any more. This may break
code such as functions overloaded for both QPair and std::pair.
Usually, the overload taking a QPair can be safely discarded,
leaving only the one taking a std::pair. QPair API has not changed,
and qMakePair is still available for compatibility (although
new code is encouraged to use std::pair and std::make_pair
directly instead).
Change-Id: I7725c751bf23946cde577b1406e86a336c0a3dcf
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
The seemingly useless template parameters are needed to avoid a
(distinct) bug in MSVC 2019 < 16.6, and should be removed once we have a
newer version in the CI.
Task-number: QTBUG-82945
Fixes: QTBUG-83600
Change-Id: I5b22a2259aa16ae90eca7d4f3bd2e4fa1116a73b
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Macros and the await helper function from qfunctions_winrt(_p).h are
needed in other Qt modules which use UWP APIs on desktop windows.
Task-number: QTBUG-84434
Change-Id: Ice09c11436ad151c17bdccd2c7defadd08c13925
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
And not pure swap. As per policy, QVariant must leave the rhs empty.
Change-Id: I2d5e0f584c4d4fffd05a0a5bfae27ddcb72430e9
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Any integer modulo 1 can never be anything else but 0, so the statement
could never be true. The intention is to abort in case of an odd number
of bytes, as this would indicate malformed input that can't be decoded
into a QString.
Note that QTranslator will then silently continue to search for valid
translations, and not print any error message at runtime, or otherwise
inform the user or developer that an input message file contains
malformed content.
Change-Id: I957b337ee035f3aca013e0859f8ee70553d9a97b
Coverity-Id: 11014
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
The headers are now C++ clean and can be used outside of Objective-C
code. All includes of Objective-C frameworks have been moved to the
implementation files.
Header guards have been added in the few places they were missing.
All includes are now done via #include, instead of sometimes using
the #import variant.
Change-Id: Ibb0a9c0bcfefbda4347737212e40e300a3184982
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Override locale encoding to UTF-8 on supported platforms.
QNX has nl_langinfo, but the header is not using extern "C". Tests
show that it returns UTF-8 regardless of the locale, so let's assume
it's always UTF-8.
Change-Id: I0fe98f8441287df9f99c334e537a7b962df105f6
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The static observer can live in a union with the inline observers. We
only need to take care of calling the ctors and dtors manually then.
In order for any observers to be called in the presence of a static
observer, the static observer has to be called after the other
observers.
Change-Id: I2f56fa64f3fe6fcd7f06cc403929362da7d86f65
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Windows unexpectedly passes PM_NOYIELD flag in wParam parameter to the
hook procedure, if ::PeekMessage(..., PM_REMOVE | PM_NOYIELD) is called
from the event loop. So, to ignore undocumented flag, we should
interpret wParam as a bit field.
Thanks to Robin Lobel for research.
Pick-to: 5.15
Fixes: QTBUG-84562
Change-Id: Ib16d7d747aebc9a3628e4ee67478c4d3edeb96f1
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
The QTranslator owns its QResource and its sub-translators, so hold
them in unique_ptr to show what's going on.
Change-Id: I65dfa8c3b6dd774066a01de23ae6cff7449b363a
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Create a QMetaTypeInterface for void. This allows us differentiate
QMetaType::Unknown from QMetaType::Void. In addition, this will enable
the usage of QMetaMethod::metaReturnType in QMetaMethod::returnType,
and will facilitate using metaReturnType in declarative, which needs to
distinguish between Unknown and Void.
Change-Id: I83296b49587f3deb7ec73e25a33f0d8c98cf8da0
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
This does the analog of 46f407126e for the
methods we care about (signals, slots, Q_INVOKABLEs). In addition to the
actual QMetaType, we store an array with offsets so that we later can do
a mapping from methodIndex to metatype.
The newly added QMetaMethod::{return,parameter}MetaType methods can then
be used to retrieve the metatypes.
This does however require that all involved types are complete. This is
unfortunately not a feasible requirement. Thus, we only populate the
metatype array on a best effort basis. For any incomplete type, we store
QMetaType::Unknown. Then, when accessing the metatype, we fall back to
the old string based code base if it's Unknown.
Squashes "moc: support incomplete types" and "Fix compile failures
after QMetaMethod change"
Fixes: QTBUG-82932
Change-Id: I6b7a587cc364b7cad0c158d6de54e8a204289ad4
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Split long signature into multiple lines, and indent some existing
misaligned signatures.
Change-Id: Icaed7b703c3f0b20472400b186ac2a28f1ff1dd1
Pick-to: 5.15
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
A common pattern in Qt Quick will be QProperty members that are
connected to a callback that needs to perform something when the value
changes, for example emitting a compatibility signal or marking scene
graph node data dirty.
To make such a pattern more efficient, a new QNotifiedProperty type is
introduced that offers the same API as QProperty<T>, with two changes:
(1) The template instantiation not only takes the property type as
parameter but also a callback pointer-to-member.
(2) Since that member itself cannot be called without an instance
and to avoid storing an instance pointer permanently, the API for
setBinding and setValue are adjusted to also take the instance
pointer. For the former it gets stored in the binding, for the
latter it is used to invoke the callback after setting the new
value.
Change-Id: I85cc1d1d1c0472164c4ae87808cfdc0d0b1475e1
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Just opened some files with spell checker turned on,
and corrected what was underlined.
Also, see QTBUG-84427.
Change-Id: I702b5bf2cfe1f23c928a6a57f117a2f571ad86ea
Pick-to: 5.15
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
A property alias is the equivalent of the "alias" keyword in QML. It
provides the same API as QProperty, but redirects any access to the
QProperty it was initialized with. When the original property is
destroyed the binding becomes invalid and ignores any further acccess.
Task-number: QTBUG-84370
Change-Id: I0aef8d50e73a2aa9e7703d51194d4c5480573578
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Previously, only the first observer would get notified. Also, make sure
that the notifiers are always retained when switching between bindings
and values.
Change-Id: I9c25c0f2e288dac3a335b68e618f7ddeb44be25a
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Add an operator QVariant() to QRegExp to keep things at source compatible
as possible.
Add a hack to QVariant::load/save() to recognize the old typeid
for QRegExp and stream them correctly as long as the streaming operators
for QRegExp are registered.
Also move the datastream test for QRegExp to tst_qregexp, and adjust it to
the qvariant changes.
Change-Id: I120b38a7541b43ec07a21b17f7f35c55f071eb75
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
There's no real dependency to QTextCodec in those files anymore.
Change-Id: Ifaf19ab554fd108fa26095db4e2bd4a3e9ea427f
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
We already assumed that 8bit data is utf8 encoded in all cases
but for HTML. Handle HTML through QStringDecoder now. This
removes support for encodings other than UTF based one and Latin1.
This is ok, as HTML should nowadays always be encoded in utf8 as
well (anything else is strongly discouraged by the HTML spec). In
addition, utf-8 and latin1 together seem to cover ~98% of all HTML
data.
Change-Id: I7e7165edd38cfac395faf72681e5715b6d014c14
Reviewed-by: David Faure <david.faure@kdab.com>
As we want to move text codecs out of Qt Core, disentangle the
dependency, but moving the global codec data into qtextcodec.*.
Change-Id: Id7498423c7c4f9f42fd00c450947305d2af8c4be
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
Even though QString::fromRawData() may not be as expensive as it used
to be, it's still and out-of-line call _and_ more characters to type,
so replace with QStringView construction where applicable.
Change-Id: I70662da1bd45284f67e117e92b25d242afb8aaf8
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Also replace one case of QChar(0) with QChar::Null.
These were errors in my local tree, which means they're included in
bootstrap builds (incl. qmake).
Change-Id: I3dffa9383fd1a30aa43fe2491ad95bb2b1869b40
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Use it in QString and QCocoaMenuItem.
As a drive-by, s,OS X,\macos,g.
[ChangeLog][QtCore][QStringView] Added toNSString(), toCFString()
on macOS.
Change-Id: Ib05818015a4be11a0d72d4487fb82c580d27854e
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
As discussed in the mailing list and in the Qt Contributor Summit 2019.
Tested on Linux, macOS and FreeBSD, showing these fallbacks:
OS environment setlocale() call
FreeBSD empty "C.UTF-8"
FreeBSD LC_ALL=C "C.UTF-8"
Linux empty "C.UTF-8"
Linux LC_ALL=C "C.UTF-8"
Linux LANG=en_US "en_US.UTF-8"
Linux LANG=de_DE@euro "de_DE.UTF-8"
Linux LANG=en_GB.iso885915 "en_GB.UTF-8"
Linux LANG=hy_AM.armscii8 "hy_AM.UTF-8"
Linux LANG=ja_JP.sjis "ja_JP.UTF-8"
Linux LANG=ru_RU.koi8r "ru_RU.UTF-8"
macOS empty "UTF-8"
macOS LC_ALL=C "UTF-8"
Versions tested: FreeBSD 12.1, Linux w/ glibc 2.30, macOS 10.14.2.
See
* https://wiki.qt.io/Qt_Contributor_Summit_2019_-_QtCore
* https://lists.qt-project.org/pipermail/development/2019-October/037791.html
Change-Id: Ia2aa807ffa8a4c798425fffd15d97ddb4f35b0ae
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Use :/i18n/, because this is the place where translations are stored
by default if using qmake's CONFIG += lrelease embed_translations.
Also revert change of app.exec() done in 16da0b2cf8. First of all,
both QGuiApplication and QApplication feature overloads of exec(),
so using QCoreApplication::exec() might miss functionality.
Anyhow, while it's true that all of them are static member functions,
the vast majority of our examples and templates call them with
class member access syntax, so let's try to be consistent.
Finally, the example since a while uses QCoreApplication::translate,
not tr(), so let's not mention it in the description.
Change-Id: Ic6e5d91cf04d3f0d1a4296c5c09e790773e6fc62
Reviewed-by: Miłosz Kosobucki <milosz@kosobucki.pl>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
We must move the functor properly into the binding object, otherwise we
end up with stale pointers as pointed out by ASAN.
Change-Id: Icd84f4c113dd48e1e3e2d744abac0902cdf9339e
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
... by using the [[no_unique_address]] attribute, if available, instead
of the union.
Change-Id: Iab4db7039f1140a0005c7dd2fb6e08597ceec8f5
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
The API reduces the amount of manual plumbing required to offer a
conceptual property through the traditional setter/getter API as well as
through QProperty<T> API. Since the latter would require inlining the
type and thus making it impossible to add new properties without
breaking binary compatibility, this patch introduces a fake API that
behaves similar but does not contain the property by value.
Change-Id: Ib9bccd867f0e4e36a520e5583ba348e728284253
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Ensure they are handled as enumerations in QMetaType.
This is required for handling QFlag-type properties in Qt Designer
Fixes: QTBUG-83689
Change-Id: Ifbfb5c5b5cd34fce462e299505d063e22e725c2e
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
qsocketnotifier.h:113:69: error: cannot initialize return object of type
'Qt::HANDLE' (aka 'void *') with an lvalue of type 'const
QSocketDescriptor::DescriptorType' (aka 'const int')
qsortfilterproxymodel.cpp:2938: error: out-of-line definition of
'recursiveFilteringEnabledChanged' does not match any declaration in
'QSortFilterProxyModel'
qline.cpp:376: (qdoc) warning: Cannot find 'QLineF::IntersectionType'
specified with '\enum' in any header file
Fixes: QTBUG-83676
Change-Id: I57b51f4ad15fdc50db88100ad5b1cb85ed394b7a
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
We agreed to make the type internal but somehow it slipped my mind to
actually label them as such.
Task-number: QTBUG-70441
Change-Id: Id90521ecc09bfa1db29601b96ba70bcdcb64d458
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Instead of requiring the implementation to do the compare dance, let's
do this in the library. This reduces the amount of duplicated code
slightly and makes it easier to generate binding code from qml files.
Change-Id: Ia3b16cf9769e74d076b669efe4119ab84af3cdf0
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Passing the QExplicitlySharedDataPointer by reference may lead compilers
to wanting to have visibility to the destructor of the contained type
(QPropertyBindingPrivate), which is not public. Fortunately
QExplicitlySharedDataPointer is safe to use with raw pointers and those
can be safely forward declared.
Change-Id: I131ab6363eaee10b6dce196fb2c769e09a5c9557
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
There is no need in 'acquire' operation for the next reasons:
- wakeUps is simply used as an atomic boolean that does not require
ordering with other loads or stores;
- any of testAndSet...() always gets a latest version of wakeUps.
Change-Id: Ica38fc62bc181166995946dee9d6887c71d87cec
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The snippet didn't quote the QLibrary header correctly, and didn't
register the flags type, but only the enum type with the meta object
system.
Update example to use QItemSelectionModel instead as a more relevant
class for readers, and restructure the text a bit.
Change-Id: I572e2aaac4601087e7aa6d2ea7a8f8fd65d82539
Fixes: QTBUG-83474
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
The pre-existing overload passes an int, but this can mean the
descriptor gets truncated in compilations where the descriptor
is 64-bit.
The old overload with int is visible when querying the metaobject system
so string-based connects still work as before, and connecting to it will
produce a deprecation warning in the output.
At the same time the PMF-based connect will, on recompile, pick the
QSocketDescriptor overload. As an added improvement it also comes with
the notification type, removing the need for separate slots where the
code would be mostly shared anyway.
The QSocketDescriptor type can be implicitly converted to and from
qintptr to ensure existing code still compiles. It can also be
constructed from Qt::HANDLE on Windows.
In this same patch I also update the existing string-based connects in
this module, which then includes updating the parameters for some slots
as well.
[ChangeLog][QtCore][QSocketNotifier] Added
QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type).
This replaces the activated(int) signal which in 64-bit environments
could truncate the socket descriptor. If you use "activated" with the
string-based connect() then you need to update the parameter type of the
signal and slot if it had one. If you use it with the pointer to member
function based connect() then all you need to do is update your slot's
parameter type if it has one. If you need to compile your source code
with multiple versions of Qt then connect() to this function using
pointer to member function and update the slot's parameter type if
needed.
Task-number: QTBUG-70441
Change-Id: Ic43d6bc4c5bcb4040867b2ffad8d36fb01eed8af
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Use P0608's trick to detect convertibility without narrowing;
and now that we can depend on C++17, use its features.
First, this moves the burden of detecting a narrowing conversion on
the compiler, rather than us maintaining a complicated series
of checks. Of course, this exposes
* bugs in compilers (e.g. GCC < 9 thinks that float->bool is not
narrowing;
* behavior still not (widely) implemented (pointer to bool
conversions are narrowing, P1957);
* interesting compiler choices, e.g. GCC 9 thinks that unscoped
enumerations are non-narrowing convertible to a datatype big
enum to contain all the _enumerators_, even if the underlying
type of the enum (and/or its sizeof()) is wider than the target
datatype.
Second, it allows to detect conversions that have a narrowing
conversion as an intermediate step. Given a type like
struct Bad { operator double() const; };
then an object of type Bad is implictly convertible to a type
like int via a narrowing conversion. Therefore, a connection
is possible between a signal carrying a Bad and a slot accepting
an int. We can now detect and block this.
Tests regarding scoped enumerations have been dropped,
for the simple reason that a scoped enumeration is not
implictly convertible to an integral type, so we don't have
that detection (it would constantly fail). Scoped enumerations
do not take part in narrowing conversions anyhow, cf. [dcl.init.list].
[ChangeLog][QtCore][QObject] The detection of narrowing conversions
when calling QObject::connect() when
QT_NO_NARROWING_CONVERSIONS_IN_CONNECT now takes also
into account user-defined implicit conversions that undergo
through a narrowing conversion.
Change-Id: Ie09d59203fe6283378b36dfbc54de1d58098ef51
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Following up on header review.
Change-Id: I88553fdaa56364fe93e7eac5d2b062402c760be4
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
It doesn't make sense to lose precision, and that's a fatal warning
when used on a 32-bit platform:
implicit conversion loses integer precision: 'quint64' (aka 'unsigned long long')
to 'quint32' (aka 'unsigned int') [-Werror,-Wshorten-64-to-32]
Also fix coding style.
Amends 7ef3826497
Change-Id: I2c8f51883d74f0c6dc1b5faefe7b3ace1d9c15b9
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Change the hash function of QTypeRevision and QtFontFallbacksCacheKey
to use size_t and add a few casts.
Change-Id: I89a8fc617abbe8b0c67529ec41795691c99b0574
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Conflicts:
examples/opengl/doc/src/cube.qdoc
src/corelib/global/qlibraryinfo.cpp
src/corelib/text/qbytearray_p.h
src/corelib/text/qlocale_data_p.h
src/corelib/time/qhijricalendar_data_p.h
src/corelib/time/qjalalicalendar_data_p.h
src/corelib/time/qromancalendar_data_p.h
src/network/ssl/qsslcertificate.h
src/widgets/doc/src/graphicsview.qdoc
src/widgets/widgets/qcombobox.cpp
src/widgets/widgets/qcombobox.h
tests/auto/corelib/tools/qscopeguard/tst_qscopeguard.cpp
tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
tests/benchmarks/corelib/io/qdiriterator/qdiriterator.pro
tests/manual/diaglib/debugproxystyle.cpp
tests/manual/diaglib/qwidgetdump.cpp
tests/manual/diaglib/qwindowdump.cpp
tests/manual/diaglib/textdump.cpp
util/locale_database/cldr2qlocalexml.py
util/locale_database/qlocalexml.py
util/locale_database/qlocalexml2cpp.py
Resolution of util/locale_database/ are based on:
https://codereview.qt-project.org/c/qt/qtbase/+/294250
and src/corelib/{text,time}/*_data_p.h were then regenerated by
running those scripts.
Updated CMakeLists.txt in each of
tests/auto/corelib/serialization/qcborstreamreader/
tests/auto/corelib/serialization/qcborvalue/
tests/auto/gui/kernel/
and generated new ones in each of
tests/auto/gui/kernel/qaddpostroutine/
tests/auto/gui/kernel/qhighdpiscaling/
tests/libfuzzer/corelib/text/qregularexpression/optimize/
tests/libfuzzer/gui/painting/qcolorspace/fromiccprofile/
tests/libfuzzer/gui/text/qtextdocument/sethtml/
tests/libfuzzer/gui/text/qtextdocument/setmarkdown/
tests/libfuzzer/gui/text/qtextlayout/beginlayout/
by running util/cmake/pro2cmake.py on their changed .pro files.
Changed target name in
tests/auto/gui/kernel/qaction/qaction.pro
tests/auto/gui/kernel/qaction/qactiongroup.pro
tests/auto/gui/kernel/qshortcut/qshortcut.pro
to ensure unique target names for CMake
Changed tst_QComboBox::currentIndex to not test the
currentIndexChanged(QString), as that one does not exist in Qt 6
anymore.
Change-Id: I9a85705484855ae1dc874a81f49d27a50b0dcff7
When a class has multiple QProperty members to implement functionality,
it is common to have functions in the class that react to changes. For
example to emit a compatibility signal, in case of Qt Quick to mark the
scene graph as dirty, etc. etc.
To faciliate this use-case, this patch adds an internal
QPropertyMemberChangeHandler template that allows connecting a QProperty
field to a member function callback.
At the moment that callback is still 3 * sizeof(pointer). This could in
theory be reduced to 2 by eliminating the back-pointer (prev) as the
observer lives as long as the property. That however belongs into maybe
a future patch.
In order to get a pointer back to the surrounding object that holds the
QProperty as well as provides the callback function, the property system
was changed to pass through the address of the QProperty member at
run-time, and at compile time the delta from the QProperty member to the
beginning of the surrounding class is calculated. Through subtraction we
obtain the pointer to the owning object.
Change-Id: Ia2976357053f474ff44d0d6f60527c3b8e1f613a
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
To avoid livelocks, posted events should be delivered when all pending
messages have been processed, and the thread's message queue becomes
empty. Although the logic of the previous patch is correct, it turned
out that determining the moment when the message queue is really empty
is not so simple. It is worth noting that the GetQueueStatus function
sometimes reports unexpected results due to internal filtering and
processing. Indeed, Windows docs say that "the return value from
GetQueueStatus should be considered only a hint as to whether
GetMessage or PeekMessage should be called". Thus, we cannot rely on
GetQueueStatus in unambiguous logic inside the qt_GetMessageHook.
To solve the problem, this patch introduces a guard timer which
guarantees low priority processing for posted events in foreign loop.
The wakeUps flag reset logic has also been changed to provide clearer
synchronization of the Qt internal loop.
Fixes: QTBUG-82701
Fixes: QTBUG-83151
Change-Id: I33d5001a40d2a4879ef4eb878c09bc1c0616e289
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Additionally mark QMetaProperty::isEditable as deprecated.
Change-Id: I1abe4c6f2d30c2f96380f9e5942be431dbfed38f
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
This reverts commit cf000d080c.
Reason for revert: This API is not needed (anymore) by qtdeclarative.
Change-Id: I8af604c2babe3afc11f183ddb3ce3a9038a456ad
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
QtQml needs the private just for one detail which nobody else should
need it for: Tracking additional dependencies and marking the binding as
dirty. Exporting the private requires hiding some variables and
providing accessors, to compile with MSVC - including the removal of
QVarLengthArray usage. Upside: The binding structure shrinks by 8 bytes
and the encapsulation makes it a little easier to change things without
breaking declarative, ... in the unlikely event ;-)
Also remove setDirty() from the public API as it's not needed by QtQml
and using it is dangerous, because it means that there's a risk of
somebody keeping a reference (count) to the untyped binding from within
the binding closure, which introduces a memory leak.
Change-Id: I43bd56f4bdf218efb54fa23e2d627ad3acfafeb5
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
mappedObject() can do exactly the same thing, there's no need for a
mappedWidget() signal as well
This removes a reverse dependency between Qt Widgets and Qt Core where
QWidget pointers are being used inside Qt Core.
[ChangeLog][QtCore] Removed QSignalMapper::mappedWidget. Connect to
mappedObject instead, and use qobject_cast<QWidget *> to handle Widgets.
Change-Id: I60618a34dd94575e993bd6d8a2cead95cfd71d55
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Fabian Kosmale
Mike Achtelik
André Klitzing
Lars Knoll
Karsten Heimrich
Giuseppe D'Angelo
Friedemann Kleint
Oliver Wolff
Volker Hilsheimer
Tasuku Suzuki
Tor Arne Vestbø
Samuli Piippo
Ulf Hermann
Alex Trotsenko
Marc Mutz
Ivan Tkachenko
Simon Hausmann
Jani Hautakangas
Shawn Rutledge
Qt Forward Merge Bot
Thiago Macieira
Kai Koehne
Topi Reinio
Mårten Nordheim
Martin Koller
Nico Vertriest
Tor Arne Vestbø
Allan Sandfeld Jensen