Use std::chrono::ceil<milliseconds> to match what
QDeadlineTimer::remainingTime() did.
Drive-by change: make a method private instead of protected, nothing
inherits from this class anyway
Change-Id: I605b7c25ea7501ee92518ec9f0ff049ed810bfb4
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
So that it can be used in QTimer and soon-to-added QChronoTimer, this is
less code duplication.
Change-Id: Icc5f2028d776a34c06ba20fe41f571cd3821c64c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The bindable property tests were not using the QTestPrivate helpers, so
add a new test which uses them.
The new tests revealed a binding loop for the interval property.
Fix it in a usual way by explicitly removing the binding and using
{set}ValueBypassingBindings() in the setter.
Task-number: QTBUG-116346
Pick-to: 6.6 6.5
Change-Id: If94f57938da449a68e3527aead5ebd55ba410adb
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
It was introduced in 4368179c37
Use QBAV to trim operation and then make QBA
Change-Id: I578305e5b5254c66052d8a11815aaa7209e629bb
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
I thought it went without saying...
Fixes: QTBUG-116218
Pick-to: 6.6
Change-Id: I964c2b1e6b834feb9710fffd177c8338f8f1e618
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
This was missing for a while, and there is nothing fundamentally
missing for it to work.
With the more recent work around slot objects and invokeMethod in
general, it is a good time to add support for this.
In this patch, when connecting to a functor, it automatically deduces
the overload to call based on the arguments passed to invokeMethod.
Sharing code with QObject::connect could be done, but they have a
key difference that makes it harder:
With signal emissions we throw away trailing arguments that are not
used: i.e. `signal(int, int)` can be connected to `slot(int)` or
`slot()`. With invokeMethod that's not a thing. So we will need a way
to toggle that behavior during resolution.
[ChangeLog][QtCore][QMetaObject] Added support for passing parameters
to the overload of QMetaObject::invokeMethod that takes a functor. These
new overloads must have the return-value passed through qReturnArg().
Change-Id: If4fcbb75515b19e72fab80115c109efa37e6626e
Reviewed-by: Ievgenii Meshcheriakov <ievgenii.meshcheriakov@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The was introduced with the rewrite of QMetaObject::invokeMethod() in
commit 0f76e55bc4, because we have an
optimization for zero timers to avoid creating a temporary
QSingleShotTimer object. The old implementation did attempt to normalize
the target slot name, but did so because it looked metamethods up using
QMetaObject::indexOfMethod:
int idx = meta->indexOfMethod(sig.constData());
if (idx < 0) {
QByteArray norm =
QMetaObject::normalizedSignature(sig.constData());
idx = meta->indexOfMethod(norm.constData());
}
The new implementation does not use this method so it didn't need to
attempt to normalize.
I am fixing this only in QTimer and not in QMetaObject::invokeMethodImpl
(even though it is trivial to do so) because I don't believe spaces in a
pure string to invokeMethod were ever expected to work:
QMetaObject::invokeMethod(obj, "slotName ", Qt::QueuedConnection);
The Q_ARG and Q_RETURN_ARG (for code not recompiled) still does
normalization inside QMetaType::fromName().
Fixes: QTBUG-116060
Pick-to: 6.5 6.6
Change-Id: I964c2b1e6b834feb9710fffd177cac60c83ef413
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Drive-by change: use \code, better formatting especially for longer
lines of code.
Change-Id: I90dbde17a5bea276c86304bff64027dd9d248a21
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
It actually takes one parameter, because in this overload the connection
type can't be specified, for example:
QTimer timer;
timer.callOnTimeout([]() { qDebug() << "slot"; });
The call chain is:
QObject::connect(timer, &QTimer::timeout, functor);
connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Func1 signal, Func2 &&slot)
connect(sender, signal, sender, std::forward<Func2>(slot), Qt::DirectConnection);
the connection type is always DirectConnection.
Spotted by Giuseppe in code review.
Pick-to: 6.6 6.5 5.15
Change-Id: Ia8bbd91e98a357244cbfae4e3ed63d4c73038fa2
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Amends recent changes that added std::chrono support by making
the duration type of QTimer::singleShot a template parameter.
Change-Id: If3b5f0ad99304cb292412bb8467ba6852e47654f
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Implicit capture of *this by [=] is deprecated in C++20, and the
replacement [=,this] is not available in C++17. We also can't use [&],
because of QueuedConnection, so need to bite the bullet and list all
captured variables separately.
Amends 87535e4e43.
Change-Id: I5b3a713bf9220746d10d594d1a248028157ad170
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Amend 4d90c4e74a by clarifying why
moving the QSingleShotObject to the receiver's thread is a good
idea. Move that logic into a separate function and use that also
for the string-based connection.
Optimize the implementation by delaying the timer creation until
after we have moved the QSingleShotTimer object to the target
thread, using a queued metacall if needed to create the timer.
This avoids the creation of the timer in the wrong thread and
then the recreation of the timer in the new thread when QObject
handles QEvent::ThreadChange.
To avoid that the timer is created when it has already expired in
real time, use a deadline timer and fire timeout immediately when
it has expired by the time we get the metacall.
Since the timerId might now not be initialized in the constructor,
initialize it to -1.
Augment the crossThreadSingleShotToFunctor test function by
deliberately not starting the thread until the deadline expired.
[ChangeLog][Core][QTimer] Single-shot timers with a string-based
connection are now started in the receiver's thread, not in the
thread that creates the timer.
Task-number: QTBUG-112162
Change-Id: I3fc94c34c21d9f644da41a2e4c2da479980b8580
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
For single-shot timers, at least. QSingleShotTimer had either an
optimization or the only way to make new-style slot invocations by
storing the QSlotObject pointer and calling it directly. Instead of
doing that, let's just actually connect and let QObject handle the
actual delivery.
[ChangeLog][QtCore][QTimer] Fixed a bug that caused slots connected to
single-slot timers using the new-style connection mechanism to be
delivered in the wrong thread.
Fixes: QTBUG-112162
Pick-to: 5.15 6.2 6.5
Change-Id: Idd5e1bb52be047d7b4fffffd174eadb227ab65ee
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
I.e. use chrono first, this means the API isn't limited by the size of
int, but by the size of whatever chrono::milliseconds uses (typically
int64_t), and chrono units are much more readable as well.
Task-number: QTBUG-110059
Change-Id: Ie7f2d90864782361a89866693011803be6f8545e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
It demonstrates timerEvent() and some QFontMetrics
There are other examples that demonstrates this
Pick-to: 6.5
Change-Id: I4ad6f30c8ef93c995f980545ed88ab13b9aa9c7d
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.
Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
Keeping the event loop busy with a zero-timer like
that is bound to cause trouble and highly erratic behavior of the UI.
Fixes: QTBUG-96869
Pick-to: 6.1 6.0 5.15
Change-Id: Idf02a7a7e0689c59e1223610a6525262ead56d8d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Too much of the existing code in Qt requires eager evaluation without
large scale modifications. Combined with the fact that supporting both
eager and lazy evaluation has a high maintenance burden, keeping lazy
evaluation, at least in its current state, is not worth it.
This does not diminish other benefits of the new property system, which
include
- a C++ API to setup and modify bindings and
- faster execution compared to QML's existing bindings and the ability
to use them without having a QML engine.
We do no longer benefit from doing less work thanks to laziness. A later
commit will introduce grouping support to recapture some of this
benefit.
[ChangeLog][Import Behavior Change][QProperty] QProperty uses always
eager evaluation now when a dependency in a binding changes.
Change-Id: I34694fd5c7bcb1d31a0052d2e3da8b68d016671b
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
After 2ffb91ac59 we manually call notify()
for QObjectCompatProperties. Currently we always call it when setting
values to compat properties, even if the value hasn't actually changed.
Fixed to call notify() only if the value is being changed.
Task-number: QTBUG-85520
Change-Id: I385db84c4009c45406e204b96e0e37ce5fa8882b
Reviewed-by: Andreas Buhr <andreas.buhr@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
For QObjectCompatProperty, which allows to do basically anything in its
setter, it is actually easier to manually specify when the change should
become visible. This is in line with manually writing emit calls in the
old property system, and allows the preservation of class invariants.
Change-Id: I585bd3f25d722ca3fd721ead85fe73dbee26c5f6
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
A recent change ( a7ca8b1a28 )
led to failure of binding removal in setInterval().
This was fixed by introducing setterScope.
This patch add unit tests for this regression.
Change-Id: Ic8da1f2d82ad6c8ccd81c9b1eff72d42cf75f28a
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
There are two methods which set the interval and do things
afterwards. Setting the interval might trigger other code. This
patch uses setValueBypassingBindings and marks the interval dirty
later, just to be safe.
Change-Id: I2cae3e4a9f040007dfd246c424250034e8df10a0
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
We shouldn't expose it inline in the header file.
Change-Id: I400d805fd0769f788f257bbf78311fe1fb56df79
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
This ties our hands on what we can do in our implementations. I don't
care if you've depended on this in your code. It was wrong.
Fixes: QTBUG-80600
Change-Id: I568dea4813b448fe9ba6fffd15de8865a27f0a35
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Move away from using 0 as pointer literal.
Done using clang-tidy. This is not complete as
run-clang-tidy can't handle all of qtbase in one go.
Change-Id: I1076a21f32aac0dab078af6f175f7508145eece0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Mark QCalendarBackend as internal since it is in a private header
and fix some issues in the QCalendar related classes.
src/corelib/time/qcalendar.cpp:201: (qdoc) warning: clang found diagnostics parsing \fn int QCalendarBackend::daysInMonth(int month, int year) const
error: incomplete type 'QCalendarBackend' named in nested name specifier
(repeats)
src/corelib/time/qdatetime.cpp:1426: (qdoc) warning: Unknown command '\override' (repeats)
src/corelib/time/qcalendar.cpp:642: (qdoc) warning: Undocumented enum item 'Last' in QCalendar::System
src/corelib/time/qcalendar.cpp:642: (qdoc) warning: Undocumented enum item 'User' in QCalendar::System
src/corelib/time/qcalendar.cpp:744: (qdoc) warning: Undocumented parameter 'year' in QCalendar::isLeapYear()
src/corelib/time/qcalendar.cpp:923: (qdoc) warning: Can't link to 'dateTimeString()' (repeats)
src/corelib/time/qcalendar.cpp:893: (qdoc) warning: No such parameter 'year' in QCalendar::partsFromDate()
src/corelib/time/qcalendar.cpp:893: (qdoc) warning: No such parameter 'month' in QCalendar::partsFromDate()
src/corelib/time/qcalendar.cpp:893: (qdoc) warning: No such parameter 'day' in QCalendar::partsFromDate()
src/corelib/time/qdatetime.cpp:1425: (qdoc) warning: Undocumented parameter 'nmonths' in QDate::addMonths()
src/corelib/time/qdatetime.cpp:1467: (qdoc) warning: Undocumented parameter 'nyears' in QDate::addYears()
src/corelib/statemachine/qstatemachine.cpp:2522: (qdoc) warning: Undocumented enum item 'StateMachineChildModeSetToParallelError' in QStateMachine::Error
src/corelib/kernel/qtimer.cpp:602: (qdoc) warning: Undocumented parameter 'connectionType' in QTimer::callOnTimeout()
src/corelib/time/qcalendar.cpp:159: (qdoc) warning: Undocumented parameter 'name' in QCalendarBackend::QCalendarBackend()
src/corelib/time/qcalendar.cpp:159: (qdoc) warning: Undocumented parameter 'id' in QCalendarBackend::QCalendarBackend()
src/corelib/time/qcalendar.cpp:529: (qdoc) warning: Can't link to 'registerCalendar()'
src/corelib/time/qcalendar.cpp:529: (qdoc) warning: Can't link to 'fromName()'
src/corelib/time/qcalendar.cpp:178: (qdoc) warning: Can't link to 'QCalendar::fromEnum()'
src/corelib/time/qcalendar.cpp:405: (qdoc) warning: Undocumented parameter 'jd' in QCalendarBackend::dayOfWeek()
src/corelib/time/qcalendar.cpp:405: (qdoc) warning: Can't link to 'weekDayName()'
src/corelib/time/qcalendar.cpp:405: (qdoc) warning: Can't link to 'standaloneWeekDayName()'
src/corelib/time/qcalendar.cpp:268: (qdoc) warning: Can't link to 'daysInMonth()'
src/corelib/time/qcalendar.cpp:268: (qdoc) warning: Can't link to 'isLeapYear()'
src/corelib/time/qcalendar.cpp:295: (qdoc) warning: Can't link to 'daysInMonth()'
src/corelib/time/qcalendar.cpp:313: (qdoc) warning: Can't link to 'isLuniSolar()'
src/corelib/time/qcalendar.cpp:313: (qdoc) warning: Can't link to 'isSolar()'
src/corelib/time/qcalendar.cpp:313: (qdoc) warning: Can't link to 'isLunar()'
src/corelib/time/qcalendar.cpp:340: (qdoc) warning: Can't link to 'daysInMonth()'
src/corelib/time/qcalendar.cpp:357: (qdoc) warning: Can't link to 'daysInMonth()'
src/corelib/time/qcalendar.cpp:544: (qdoc) warning: Can't link to 'fromName()'
Change-Id: Ia2fabefb917f8e4cfa361044d9b754717276f4aa
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
These declarations are provided for qdoc, but clang says they are the same:
template <typename Functor>
QMetaObject::Connection callOnTimeout(const QObject *context, Functor slot, Qt::ConnectionType connectionType = Qt::AutoConnection);
template <typename PointerToMemberFunction>
QMetaObject::Connection callOnTimeout(const QObject *receiver, PointerToMemberFunction slot, Qt::ConnectionType connectionType = Qt::AutoConnection);
clang accepts this one, but is it ok for the documentation?
template <typename MemberFunction>
QMetaObject::Connection callOnTimeout(const QObject *receiver, MemberFunction *slot, Qt::ConnectionType connectionType = Qt::AutoConnection);
Change-Id: I9d63b1bccfa8d73dbc17ab70c4415eb7891fbbe2
Reviewed-by: Martin Smith <martin.smith@qt.io>
QTimer::singleShot is optimized for zero timeouts when using the API
taking a string method name. This optimization was not used for the API
taking a PMF or functor. This patch adds it, making the various API
calls behave similarly from a performance point of view.
The approach taken here requires a QObject context object. If none is
available, e.g. a nullptr was passed explicitly, or the
QTimer::singleShot(O, Functor) API was used, the optimization could
not easily be applied. This is not only bad from a performance POV,
but also poses as a potential source for heisenbugs: Using the
different API versions of QTimer::singleShot would use different code
paths internally, which then would not ensure the expected slot call
order. This problem actually existed already when mixing the
string-based slot syntax with PMF/functors in the QTimer::singleShot
API.
This patch overcomes this hurdle and fixes all of the above: When we
encounter a 0ms single shot timer, and no QObject context object is
available, we fall back to the main thread, or create a temporary
QObject for any other thread. The updated and extended benchmark
shows that this is still a significant performance improvement
over using a timer:
********* Start testing of qtimer_vs_qmetaobject *********
Config: Using QtTest library 5.14.0, Qt 5.14.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 8.2.1 20181127)
PASS : qtimer_vs_qmetaobject::initTestCase()
PASS : qtimer_vs_qmetaobject::bench(singleShot_slot)
RESULT : qtimer_vs_qmetaobject::bench():"singleShot_slot":
7.48 msecs per iteration (total: 748, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(singleShot_pmf)
RESULT : qtimer_vs_qmetaobject::bench():"singleShot_pmf":
7.20 msecs per iteration (total: 720, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(singleShot_functor)
RESULT : qtimer_vs_qmetaobject::bench():"singleShot_functor":
6.79 msecs per iteration (total: 679, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(singleShot_functor_noctx)
RESULT : qtimer_vs_qmetaobject::bench():"singleShot_functor_noctx":
6.92 msecs per iteration (total: 693, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(invokeMethod_string)
RESULT : qtimer_vs_qmetaobject::bench():"invokeMethod_string":
7.34 msecs per iteration (total: 735, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(invokeMethod_pmf)
RESULT : qtimer_vs_qmetaobject::bench():"invokeMethod_pmf":
6.90 msecs per iteration (total: 690, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(invokeMethod_functor)
RESULT : qtimer_vs_qmetaobject::bench():"invokeMethod_functor":
6.62 msecs per iteration (total: 662, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(singleShot_slot)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"singleShot_slot":
7.45 msecs per iteration (total: 745, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(singleShot_pmf)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"singleShot_pmf":
7.46 msecs per iteration (total: 747, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(singleShot_functor)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"singleShot_functor":
6.70 msecs per iteration (total: 671, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(singleShot_functor_noctx)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"singleShot_functor_noctx":
13.75 msecs per iteration (total: 1,376, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(invokeMethod_string)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"invokeMethod_string":
7.05 msecs per iteration (total: 706, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(invokeMethod_pmf)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"invokeMethod_pmf":
6.70 msecs per iteration (total: 670, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(invokeMethod_functor)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"invokeMethod_functor":
6.58 msecs per iteration (total: 658, iterations: 100)
PASS : qtimer_vs_qmetaobject::cleanupTestCase()
Totals: 16 passed, 0 failed, 0 skipped, 0 blacklisted, 20977ms
********* Finished testing of qtimer_vs_qmetaobject *********
Without the change to qtimer.cpp, the results are:
********* Start testing of qtimer_vs_qmetaobject *********
Config: Using QtTest library 5.14.0, Qt 5.14.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 8.2.1 20181127)
PASS : qtimer_vs_qmetaobject::initTestCase()
PASS : qtimer_vs_qmetaobject::bench(singleShot_slot)
RESULT : qtimer_vs_qmetaobject::bench():"singleShot_slot":
7.45 msecs per iteration (total: 745, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(singleShot_pmf)
RESULT : qtimer_vs_qmetaobject::bench():"singleShot_pmf":
112.84 msecs per iteration (total: 11,285, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(singleShot_functor)
RESULT : qtimer_vs_qmetaobject::bench():"singleShot_functor":
115.62 msecs per iteration (total: 11,563, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(singleShot_functor_noctx)
RESULT : qtimer_vs_qmetaobject::bench():"singleShot_functor_noctx":
110.81 msecs per iteration (total: 11,082, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(invokeMethod_string)
RESULT : qtimer_vs_qmetaobject::bench():"invokeMethod_string":
7.04 msecs per iteration (total: 704, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(invokeMethod_pmf)
RESULT : qtimer_vs_qmetaobject::bench():"invokeMethod_pmf":
6.62 msecs per iteration (total: 662, iterations: 100)
PASS : qtimer_vs_qmetaobject::bench(invokeMethod_functor)
RESULT : qtimer_vs_qmetaobject::bench():"invokeMethod_functor":
6.62 msecs per iteration (total: 662, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(singleShot_slot)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"singleShot_slot":
7.45 msecs per iteration (total: 746, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(singleShot_pmf)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"singleShot_pmf":
118.42 msecs per iteration (total: 11,842, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(singleShot_functor)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"singleShot_functor":
119.35 msecs per iteration (total: 11,936, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(singleShot_functor_noctx)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"singleShot_functor_noctx":
130.96 msecs per iteration (total: 13,096, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(invokeMethod_string)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"invokeMethod_string":
8.08 msecs per iteration (total: 808, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(invokeMethod_pmf)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"invokeMethod_pmf":
6.79 msecs per iteration (total: 680, iterations: 100)
PASS : qtimer_vs_qmetaobject::benchBackgroundThread(invokeMethod_functor)
RESULT : qtimer_vs_qmetaobject::benchBackgroundThread():"invokeMethod_functor":
7.49 msecs per iteration (total: 749, iterations: 100)
PASS : qtimer_vs_qmetaobject::cleanupTestCase()
Totals: 16 passed, 0 failed, 0 skipped, 0 blacklisted, 153995ms
********* Finished testing of qtimer_vs_qmetaobject *********
Additionally, this patch adds a unit test to verify that the slot call
order for 0ms single shot timers is followed while mixing the various
API versions. It fails without this patch but passes now.
Finally, another test is added to verify that using QTimer::singleShot
before a QCoreApplication was constructed is still working properly.
Change-Id: I0d6211554b6198cb3e527be9ec3adc572b1b54ee
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
These include typos, marking functions as \internal, documenting
trivial things, and fixing the function signatures passed to the
\fn command.
Task-number: QTBUG-71502
Change-Id: I24a9e1f7e1cdb39e5c31b99202bdd593c6b789ff
Reviewed-by: Martin Smith <martin.smith@qt.io>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Some people suggested the later, so let's have a second look at it
before it's too late.
Although I was in favor of the former I'm now having second thoughts.
connectTo() is meant to only be used in classes which have a clear dominant signal,
but there are rare classes that have two (example: QAbstractButton::toggled, QAbstractButton::clicked).
QAbstractButton::connectTo() would be ambiguous if we ever wanted to add these shorthand connects
to QtWidgets
Change-Id: I198ad3326d31dcf89b9c47a299124572ee7b11b3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
There are a couple of Qt classes where you almost always use the
same signal, for example QTimer::timeout, QPushButton::clicked,
and QAction::triggered.
Simply doing timer.connectTo([]{}) is much more convenient, less
tedious and even fun.
Not overloading connect() as it would be confusing to see the
receiver as first argument.
And not naming it onTimeout, as that's a popular way of doing it in
other frameworks. People would assume you could use on* with any signal.
If we ever have on* it should be all or nothing.
[ChangeLog][QtCore] Added QTimer::connectTo(), a shorthand way of
connecting to the timeout() signal.
Change-Id: Ida57e5442b13d50972ed585c3ea7be07e3d8e8d2
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
clang required adding template clauses to a several \fn commands.
There was also a case where Q_QDOC was changed to Q_CLANG_QDOC
in qtimer.h
Change-Id: I1184e507a3fa719fe5049ade80e5da24f52ac851
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
Remaining uses of Q_DECL_OVERRIDE are in:
src/corelib/global/qcompilerdetection.h
src/corelib/global/qglobal.cpp
doc/global/qt-cpp-defines.qdocconf
(definition and documentation of Q_DECL_OVERRIDE)
tests/manual/qcursor/qcursorhighdpi/main.cpp
(a test executable compilable both under Qt4 and Qt5)
Change-Id: Ib9b05d829add69e98a86238274b6a1fcb19b49ba
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Compilation and link times in CPU seconds with GCC 7, using precompiled
headers (not including moc, rcc, uic, etc. steps or headersclean):
Before After
Debug -O0 198,1 180,3
Debug -Og 240,7 229,2
Release -O3 267,1 249,2
Release LTO 239,4 229,8
QtCore required a little manual adjusting because some files are
bootstrapped into moc itself and into qmake.
Change-Id: I84e363d735b443cb9beefffd14b8b57c10e7da36
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
These are in public classes, so we can't remove them until we get to
Qt 6.
qtimer.h:231:20: warning: private field 'del' is not used [-Wunused-private-field]
Change-Id: I84e363d735b443cb9beefffd14b8b5fb720c9e41
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
By templating on the <chrono> types and unconditionally using
duration_cast to coerce the duration into a milliseconds, we
violate a principal design rule of <chrono>, namely that non-
narrowing conversions are implicit, but narrowing conversions
need duration_cast. By accepting any duration, we allow non-
sensical code such as
QTimer::singleShot(10us, ...)
to compile, which is misleading, since it's actually a zero-
timeout timer.
Overloading a non-template with a template also has adverse
effects: it breaks qOverload().
Fix by replacing the function templates with functions that
just take std::chrono::milliseconds. This way, benign code
such as
QTimer::singleShot(10s, ...)
QTimer::singleShot(10min, ...)
QTimer::singleShot(1h, ...)
work as expected, but attempts to use sub-millisecond
resolution fails to compile / needs an explicit user-
provided duration_cast.
To allow future extension to more precise timers, forcibly
inline the functions, so they don't partake in the ABI of the
class and we can later support sub-millisecond resolution by
simply taking micro- or nano- instead of milliseconds.
Change-Id: I12c9a98bdabefcd8ec18a9eb09f87ad908d889de
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Ahmad Samir
Ivan Solovev
Anton Kudryavtsev
Thiago Macieira
Mårten Nordheim
Tor Arne Vestbø
Volker Hilsheimer
Marc Mutz
Jan Arve Sæther
Konrad Kujawa
Lucie Gérard
Edward Welbourne
Fan RuiJie
Lars Knoll
Sona Kurazyan
Fabian Kosmale
Andreas Buhr
Qt Forward Merge Bot
Allan Sandfeld Jensen
Friedemann Kleint
Liang Qi
Martin Smith
Milian Wolff
Topi Reinio
Sergio Martins
Joerg Bornemann
Jarek Kobus
Kevin Funk
Marc Mutz
Kai Koehne