The warning is useless, since the application is about to terminate
anyway. The user will be better informed by getting a proper backtrace
of the throw point, instead of the rethrow point inside QObject's
destructor.
The application WILL terminate because C++11 destructors are noexcept
and GCC 6 enforces it:
qobject.cpp:909:13: error: throw will always call terminate() [-
Werror=terminate]
qobject.cpp:909:13: note: in C++11 destructors default to noexcept
QT_RETHROW;
^
Change-Id: Ib056b47dde3341ef9a52ffff13ee8f01d874d224
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Since Connection can be copied, one copy could be used for
disconnecting, but the other's d_ptr wouldn't get updated and would
continue to report as still connected.
This patch fixes that by making it check the internal state. That is
only done after d_ptr is already known to be non-null. Unfortunately,
that is the common path:
if (connect(sender, &Sender::signal, [] {}))
will call an out-of-line function. I don't see a way out.
Task-number: QTBUG-46213
Change-Id: I66a35ce5f88941f29aa6ffff13dfb45dca68a350
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
By making the destructor (usually the first non-inline, non-pure,
virtual function, and therefore the trigger for most compilers to
emit the vtable and type_info structures for the class in that TU)
out-of-line, vtables and, more importantly, type_info structures for
the class are pinned to a single TU. This prevents false negative
dynamic_cast and catch evaluation.
In this first batch, we de-inline destructors of exported private
classes.
Since they are already exported, users of these classes are unaffected
by the change, and since it's private API, we don't need to avoid
adding code to the out-of-line destructor until Qt 6.
Change-Id: I450707877d2cb6a77f79ae1dd355facb98d6c517
Reported-by: Volker Krause <volker.krause@kdab.com>
Task-number: QTBUG-45582
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
To avoid source-incompatibilites, wrap in QT_DEPRECATED_SINCE(5, 5)
in public headers.
Change-Id: I6117e8a6b11200d2f1a0a94a0e87d5c27538218e
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Consequently, mark also QObject::isSignalsBlocked() and
QObject::blockSignals() as noexcept.
Change-Id: Iaf44674bbf54eeb2bb5f267eb7caa916eccbf7fb
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Use the name "OS X" instead of "Mac OS X", "Mac OS" and "OSX",
and mention iOS. Replace "Carbon Preferences API" by
"CFPreferences API" in the QSettings documentation.
Change-Id: Ia7f9fb874276c7c445a1649df521b96ff43daa0c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Venugopal Shivashankar <venugopal.shivashankar@digia.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
[ChangeLog][QtCore] Q_ENUMS and Q_FLAGS have been deprecated, and replaced
by Q_ENUM and Q_FLAG macros. These two new macros automatically register the
enum with the Qt metatype system, allowing automatic conversion to or from
string in QVariant, or to show the strings by QDebug operators. They also
enable the new QMetaEnum::fromType function.
Change-Id: I80cccd7ad3fc46b11aee2fe50681a8126debf972
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
The problem is that the operator<< was taking a non-const reference to the QDebug
object. This causes a problem as all other operator<< return a temporary.
Since every other roperator<< takes the QDebug by value, we should also take it by value
in this case.
Move the operator<< in qdebug.h because i don't want to #include qdebug.h from qobject.h
And move the qt_QMetaEnum_debugOperator to be in the corresponding .cpp
Task-number: QTBUG-44462
Change-Id: Ia01629224c58930c2997e767efc43de90d6309e2
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
[ChangeLog][QtCore] Classes with the Q_GADGET function can now have properties and
invokable methods. QMetaMethod and QMetaProperty have new overloads that can be used with
a pointer to a gadget. The QMetaType system also gained knowledge of types with the
Q_GADGET macro
Change-Id: I017475f3809181c64fdd66f899e461ad27f5ae47
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
Qt copyrights are now in The Qt Company, so we could update the source
code headers accordingly. In the same go we should also fix the links to
point to qt.io.
Outdated header.LGPL removed (use header.LGPL21 instead)
Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing
combination. New header.LGPL-COMM taken in the use file which were
using old header.LGPL3 (src/plugins/platforms/android/extract.cpp)
Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license
combination
Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe
Reviewed-by: Matti Paaso <matti.paaso@theqtcompany.com>
So if you stream enum type into qDebug, it will show the name
of the enum value instead of the int
Change-Id: Iec5e826623353560319890d3e7c4ab97d0645f4a
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
Only happens with active signal spy callbacks. The Connection object can
be deleted when returning from the slot here, so accessing it for the
method index for the signal end callback will access invalid memory.
Change-Id: I44643a171863c35a94e7a5ffa096fcaac5abd509
Reviewed-by: Milian Wolff <milian.wolff@kdab.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Commit 1259c5768e410361bcd8b5cf0c2057a2ebabda83 in qtdeclarative removed the
ability to create QWidgets in QML by giving them the correct parent, which
requires calling QWidget::setParent instead of QObject::setParent. This patch
introduces a hook that will allow QtQml to give widgets a proper parent.
Change-Id: I84c57ca5032582c43e405219343d55ac9cf2ffa0
Reviewed-by: Jørgen Lind <jorgen.lind@theqtcompany.com>
Also remove the ending space if the object is null
Change-Id: Ieb2bb903de35b4e339c812cd07555b5d108d118b
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
This was broken in f95181c7bb,
and has been broken in all released versions of Qt5.
Change-Id: Ia75ab602be4904cc6ab19471f909716538af8746
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Starting/stopping timers from another thread may result in errors that
may not appear until hours, days or weeks after if a release build of
Qt is used with the GLib/UNIX event dispatchers. Such errors may
manifest as warnings such as "QObject::killTimer(): Error: timer id 7
is not valid for object 0x2a51b488 (), timer has not been killed" and
application crashes (e.g. crashes in malloc, realloc and
malloc_consolidate).
Initial-patch-by: Eike Ziller <eike.ziller@digia.com>
Task-number: QTBUG-40636
Change-Id: I2de50d50eb1fc7467fcebb9c73b74d2f85137933
Reviewed-by: Jocelyn Turcotte <jocelyn.turcotte@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
For some reason it seems to be supported to call moveToThread(0).
That call will allocate a new QThreadData for the object. However,
if we then detect that we're calling moveToThread from a thread
which is not the one the QObject has affinity with,
we error out leaking that QThreadData object.
Change-Id: I0fe6625a2a9887535e457f3897b514d2a03d1480
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
When no objectName is set, this will give at least some information,
other than the memory address of the current instance.
Change-Id: Iae452c0e9fe38f0aab35094ddf0edc0fd6b28c20
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Manually included changes from
3a347a4e70
in src/opengl/qgl.cpp.
Conflicts:
src/opengl/qgl_qpa.cpp
src/plugins/platforms/android/androidjnimain.cpp
Change-Id: Ic26b58ee587d4884c9d0fba45c5a94b5a45ee929
Fix disconnection from pointer to member signal that belongs to the base
class, but whose type is a pointer to a member of the derived class.
Commit 9cc106d9d7 fixed connect, so apply
the same fix in disconnect
[ChangeLog][QtCore][QObject] Fixed disconnecting from pointer to member
signal that belongs in the base class but whose type is explicitly given
as a pointer to a member in the derived class
Task-number: QTBUG-40638
Change-Id: Ia546fc8f36e1ea0dd0645bdd820aea47f43677ac
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
QObjectPrivate::Connection::method should never be called when
the Connection was made with the function pointer syntax
This caused valgrind warning about using uninitialized value on such code:
QObject::connect(&o, &Object::aSignal, &o, &Object::aSlot);
o.disconnect(&o, SLOT(aSlot()));
Change-Id: Iaff9ecd3ddfe665db92726b420021493453c4cea
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
QMetaType::create can call user code and we should not keep mutex held as
this may cause dead lock.
Make sure the tst_qobjectrace actually emit some signal so the test check
there is no race if the receiver object is destroyed while
the mutex is unlocked.
Task-number: QTBUG-39990
Change-Id: I56ca1ae7a11cd7b33c1a68727370972862e11c2f
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Conflicts:
mkspecs/qnx-x86-qcc/qplatformdefs.h
src/corelib/global/qglobal.h
src/network/socket/qnativesocketengine_winrt.cpp
src/plugins/platforms/android/androidjniaccessibility.cpp
src/plugins/platforms/windows/qwindowswindow.cpp
Manually adjusted:
mkspecs/qnx-armle-v7-qcc/qplatformdefs.h
to include 9ce697f2d5
Thanks goes to Sergio for the qnx mkspecs adjustments.
Change-Id: I53b1fd6bc5bc884e5ee2c2b84975f58171a1cb8e
When a new-style connection is created (a SlotObject), we don't store
the method offset since there isn't one. So don't try to read it.
Qt::UniqueConnection only applies to old-style connections, since we
can't compare the slot objects for equality. In any case, an old-style
connection and a new style will never be considered equal.
Task-number: QTBUG-39927
Change-Id: I10a39a7bc97a2ec9509a0708038cc491bcc67329
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Elias Probst <mail@eliasprobst.eu>
QSignalBlocker resets to the previous state, which might have already
been a blocked signal state.
Task-number: QTBUG-39352
Change-Id: I918cc6ea346755b940e027cee5d6704824fbba32
Reviewed-by: David Faure <david.faure@kdab.com>
These hooks only worked reliably with LD_PRELOAD on Linux/GCC, on other
platforms they depended on what exactly the compiler optimizer is doing
as well as some nasty assembler rewriting to actually access them. The
new system uses a simple array of function pointers that can be set to
custom hooks by tools that need this (based on ideas from Andre Poenitz).
This also covers qt_startup_hook (similar problem), and the Qt version
number that Andre had asked for.
Change-Id: I2c3e7950fd49b1b1d04176be34c2fff3293981b0
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Correct links and fix typos, remove obsolete documentation,
fix some snippets, mark some classes as internal.
Change-Id: I9a3266605f060783413d32740057a57a820c8929
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
The slot object was deleted after the mutex was relocked, which caused
a deadlock in case the functor destructor locked the same mutex again.
Change-Id: I5b4fb22fdb4483f91c89915872bfd548c31b0eea
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
This fixes QtQuick key handling not propagating key events beyond the
specific onXPressed handlers, due to erroneously thinking those exist,
when signal spy callbacks are present.
Considering signal spies for isSignalConnected() goes back to 87239ef6 in
Qt4, and seems to be there just due to this code being based on activate(),
where this check obviously makes sense.
Change-Id: Iad41e42a8d3ee2a16a55be7d1a7cdc51484981ce
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
When building with debug, all SLOT or SIGNAL macros will
expand to a function call, and then function will call
QThreadData::current(), which will set
QCoreApplication::theMainThread if it has not already been
done. Since Qt Widgets has these macros in the static
initialization of the library, we would register the
Android main thread as the main thread of Qt, which would
mean that the actual application object was created on
a different thread than the main thread. This caused warnings
to appear, and also triggered a race condition which
caused widget applications to sometimes show a black screen
instead of content on startup when run with the OpenGL plugin.
Task-number: QTBUG-35048
Change-Id: Ie8979f5e7cd5662f8d7dd276de9f94f27cc120b5
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
QObject::senderSignalIndex is, combined with ::sender(), the current
hotspot in the QWebChannel which makes heavy use of it in its 1-to-many
QSignalSpy implementation.
This patch optimizes the senderSignalIndex by only iterating over the
linked senders list once, instead of twice. I.e. it first iterated over
it to find the signal index, then again to find the sender to convert
to a method-offset.
Change-Id: Ic86aed0dce891b87b953a6ec2364a81695bd4876
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
According to docs DynamicPropertyChange event should be sent from
setProperty function only when property is added, removed or
changed.
Change-Id: I080a27a4119a63580b03172f4b5b367338c6f440
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
When QSignalBlocker was reviewed, move semantics were asked for.
This patch add them.
This makes QSignalBlocker usable as a by-value argument (to transfer
control of signal blocking into a function) as well as as a return
value (to transfer control of signal blocking out of a function).
Change-Id: I714aa2a283bb33dba76e860649e88ed202e913c5
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Instead of enforcing the check, we'll simply trust developers to do the
right thing. For one, it's useful to mix libraries during testing
(regression testing, git bisects, etc.). For another, Qt developers are
faced day-to-day with binary incompatibility issues anyway, so this
check is mostly superfluous.
If there's one commit we could be sure that isn't breaking binary
compatibility, that's the "Bump Qt version" commit. And yet that's the
one that would cause the fatal to trip...
Change-Id: I8965f764a6ca1b2d125b42bce7ac6b27e3afc8ac
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Unfortunately the QObject destroyed callbacks for QtQml and QtDeclarative can't
be called in sequence, because if the QQmlData has the ownsMemory bit set, then
the destroyed callback will delete the QQmlData, and the sub-sequent call to
the destroyed callback of qml1 will try to dereference the QQmlData's first bit
(ownedByQml1), which is already destroyed.
This patch fixes that by simply sharing the assumption of the first bit
indicating module ownership (QtQml vs. QtDeclarative) also to qtbase and using
it to distinguish between which destroyed callback function to call.
Task-number: QTCREATORBUG-10273
Change-Id: I2773a31a3e9b3a1c22d1c1f33b2f29f3296cb3cf
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
And that connectNotify and disconnectNotify might be called from
another thread
Task-number: QTBUG-34829
Change-Id: Id118b97b92e9aa085a1d4368282294f90cfb1706
Reviewed-by: Alan Alpert <aalpert@blackberry.com>
As the last line in the QObject destructor, we call setParentHelper(0) to
remove ourselves from the parent. In the process of that we also initiate the
QML parentChanged callback. The first thing that parentChanged callback used to
do (but now does it too late, after 26350b5ceafa0ade1328037f6234a7d288eb8f48 in
qtdeclarative) is to check if the object was deleted and then return. We could
re-introduce the check there, but I think it's cleaner to not bother calling
the callback on a dead object in the first place.
Change-Id: Ia4d43b65a9b3744a451b4c312a2d6f9c0e3b67dc
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
For the conflicts in msvc_nmake.cpp the ifdefs are extended since we
need to support windows phone in the target branch while it is not there
in the current stable branch (as of Qt 5.2).
Conflicts:
configure
qmake/generators/win32/msvc_nmake.cpp
src/3rdparty/angle/src/libEGL/Surface.cpp
src/angle/src/common/common.pri
src/corelib/global/qglobal.h
src/corelib/io/qstandardpaths.cpp
src/plugins/platforms/qnx/qqnxintegration.cpp
src/plugins/platforms/qnx/qqnxscreeneventhandler.h
src/plugins/platforms/xcb/qglxintegration.h
src/widgets/kernel/win.pri
tests/auto/corelib/thread/qreadwritelock/tst_qreadwritelock.cpp
tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp
tests/auto/gui/text/qtextdocument/tst_qtextdocument.cpp
tools/configure/configureapp.cpp
Change-Id: I00b579eefebaf61d26ab9b00046d2b5bd5958812
The regression was introduced in 5885b8f775
QMetaObjectPrivate::disconnectHelper may unlock the sender mutex. And
while relocking it, we need to make sure to lock the sender and receiver
mutex in the right order. So don't lock the receiver mutex in advance, but
re-lock it for each connection.
Change-Id: I4f6d19791cdcce3693d7f45e7beb6b564fd69277
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
When we unlock the mutex, we need to take in account that the Connection
pointed by 'node' may be destroyed in another thread while it is unlocked
Doing 'node->prev = &node' will make sure that 'node' is actually
updated when it is destroyed.
Setting isSlotObject under the mutex is safer and ensure that no other
thread will attempt to deref the object.
The regression was introduced in 5885b8f775
tst_qobjectrace was updated to catch races arising when we are
connecting with function pointers.
Change-Id: Ia0d11ae8df563dad97eb86993a786b579b28cd03
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Qml has a bunch of hooks in QObject, that are callbacks as function pointers
when things happen in QObject. QtDeclarative (Qml1) only needs one callback,
for object destruction. In preparation for allowing both run-times to co-exist,
this patch forks the callback, keeping the "default" variant for QtQml and
having a *_qml1 variant for QtDeclarative. QtQml continues to set the callback
variable for the default and QtDeclarative will set the _qml1 variant.
It is however a limitation that a QObject instance can only be exposed to _one_
engine at a time, and it is not possible to make a transfer. Double exposure
will result in crashes.
This patch alone is not sufficient to fix the bug, the
QQmlData/QDeclarativeData structures in Qml1 and Qml2 need to be extended to
allow distinction at run-time.
Task-number: QTBUG-35006
Change-Id: I3bac023873b5656a8a4f117fe816bafcda77b67d
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
If the two QObjecs are connected and destroyed at the same time, it
is possible to hit a case where QObject::metaObject and QObject::disconnectNotify
is called on a destroyed object.
This patch moves the calls up before the removal of the connection. This
ensure the sender object will have to block on the receivers connection
mutex and can not finish destruction before disconnectNotify is called.
Task-number: QTBUG-34131
Change-Id: I398116fe7bc6a195991aff9961d89a8b0ac8d53c
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
I don't think I ever worked on a project of non-trivial
size that didn't at some point add a QSignalBlocker.
This commit adds code, tests and documentation. Later
commits will convert naked blockSignals() calls to use
QSignalBlocker.
The implementation is purely inline to avoid the heavy
overhead of cross-dll function calls for this miniscule
task. This should not be a problem because QSignalBlocker
only uses public API and a pattern that we anyway need
to keep working until Qt 6, at least, so even changing
the implementation later will be no problem as the old
implementation lurking in non-recompiled code will be
acceptable, too.
This implementation is an evolution from KDTools'
KDSignalBlocker, with the following changes:
- Implements unblock() and reblock()
- Uses the return value of blockSignals() instead of a
separate signalsBlocked() call.
Change-Id: I1933dfd72a0f5190324be377cfca3c54cf3d6828
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Default values should have mark-up to denote that they are code.
This commit changes:
-"property is true" to "property is \c true".
-"Returns true" to "Returns \c true".
-"property is false" to "property is \c false".
-"returns true" to "returns \c true".
-"returns false" to "returns \c false".
src/3rdparty and non-documentation instances were ignored.
Task-number: QTBUG-33360
Change-Id: Ie87eaa57af947caa1230602b61c5c46292a4cf4e
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
- Create a section dedicated to this concept, which is fundamental to
signal/event handling
- Move relevant content from the very broad "Thread Basics" page to the
QObject class ref
- Flesh out existing content, including distinguishing signals from
events
- Address the common misconception that "member" = "child"; this has
been encountered several times in the Qt Project forums
Change-Id: I5e7e6c848596e72c0bb623f8442c8389b81ad9ef
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
qFlagLocation() uses a global char* array to transport source location
information from the connect() side to the metaobject side. The size
of the array is 2 (two), which just about suffices for a single connect()
statement.
Obviously, if more than one thread makes a (_any_) connection at the same
time, the data is useless and, worse, there's a data race.
The non-reentrancy of qFlagLocations() cannot and need not be fixed,
but use a per-thread flagged_locations array in QThreadData so threads
don't disturb each other.
Task-number: QTBUG-3680
Change-Id: If1797c60751f551694def69afee6fbe295bbe2d2
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Up to now, it was only possible to connect to functors in a direct
way, without being capable of using Qt::ConnectionType. This patch
allows for specifying a receiver for Functors and function
pointers, hence making it possible to specify effectively the
connection type.
To do this properly, it was needed to add an enum in FunctionPointer
representing whether the considered function is a member function
or not, to reduce ambiguity upon overloaded calls.
Moreover, now senders are checked for the existence of a slot obj
as well. This way, should the context be freed, the slot obj and
the functor contained in it will be freed as well.
On a side note, connecting to a static slot
(like QCoreApplication::quit) specifying the receiver object is
now compiling.
Change-Id: I46474099413b1dc6ca4db9934191d469baeef070
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Added Q_DECL_UNUSED for the function used in Q_ASSERT; removed the
functions that really weren't used and added the #ifdef for the
function that was only used under #ifdef.
qmetaobjectbuilder.cpp(93): warning #177: function "priv" was declared but never referenced
qobject.cpp(2349): warning #177: function "check_and_warn_compat" was declared but never referenced
qpathsimplifier.cpp(141): error #177: function "<unnamed>::Rational::isValid" was declared but never referenced
qtextengine.cpp(2584): error #177: function "<unnamed>::QScriptItemComparator::operator()(const QScriptItem &, const QScriptItem &)" was declared but never referenced
Change-Id: I89a140d59211f10ecd88d751f0bcc0ea2fedff7f
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
This prevents deadlocks in case the destructor re-enters.
(Example: a functor containing a QSharedPointer of a QObject)
This also fixes a leaked slot object in disconnectHelper.
Change-Id: Ia939790e3b54e64067b99540974306b4808a77f2
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
In the qobject.html page, the description of the syntax of Q_PROPERTY
does not include the MEMBER keyword added in Qt 5.1.
But it was well documented in the documentation of the property system.
Merge the two code snipppets.
Task-number: QTBUG-32211
Change-Id: I7b57329c201b6f3bc812155f21dbfb2c6423494e
Reviewed-by: Martin Smith <martin.smith@digia.com>
In QML it is common to connect signals to slots that are implemented as
JavaScript functions. QML used to maintain separate data structures that
mirrored the QObject connection list and kept references to the JavaScript
objects necessary to perform the call on signal activation.
The recent addition of functor based QObject::connect makes it possible
to store this information in QSlotObjectBase sub-class instead, which
eliminates any extra bookkeeping.
This patch adds internal connect and disconnect overloads to QObjectPrivate
that allow for connecting QObject *sender, int signalIndex to a given
QSlotObjectBase and similar for disconnect.
Change-Id: I90f43d13eb95bd884d752484cf4faacc446f4d6a
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Fix connection to pointer to member signal that belongs to the base
class, but whose type is a pointer to a member of the derived class.
The current code only use the QMetaObject of the type coming from the
function type to look up the signal id. But if the signal was casted
to a pointer to member function of a derived type, then we also need to
look in the base classes
Change-Id: Ib98fc38f63942946acb34d9f83c100991d58e4e5
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Previously it was only mentioned in properties.qdoc
Task-number: QTBUG-18802
Change-Id: Iab23128c1567974154cdcce7412b2e1468bb846a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
... when the compiler do not support variadic template
Change-Id: Iec84cad8ece2fc28b0c224872fdd90d30ae60fc9
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Remove all trailing whitespace from the following list of files:
*.cpp *.h *.conf *.qdoc *.pro *.pri *.mm *.rc *.pl *.qps *.xpm *.txt *README
excluding 3rdparty, test-data and auto generated code.
Note A): the only non 3rdparty c++-files that still
have trailing whitespace after this change are:
* src/corelib/codecs/cp949codetbl_p.h
* src/corelib/codecs/qjpunicode.cpp
* src/corelib/codecs/qbig5codec.cpp
* src/corelib/xml/qxmlstream_p.h
* src/tools/qdoc/qmlparser/qqmljsgrammar.cpp
* src/tools/uic/ui4.cpp
* tests/auto/other/qtokenautomaton/tokenizers/*
* tests/benchmarks/corelib/tools/qstring/data.cpp
* util/lexgen/tokenizer.cpp
Note B): in about 30 files some overlapping 'leading tab' and
'TAB character in non-leading whitespace' issues have been fixed
to make the sanity bot happy. Plus some general ws-fixes here
and there as asked for during review.
Change-Id: Ia713113c34d82442d6ce4d93d8b1cf545075d11d
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
While adding a test case for the new behavior, two issues
with the connectSlotsByName implementation came up:
1. for auto-connected slots that don't exactly match a signal,
a 'compatible' one is searched. There might be more than
one of those. The implementation randomly picks any.
2. The "No matching signal for %s" warning gets printed even for
slots that can never be connected via connectSlotsMyName
anyway (e.g. "on_something"). This is inconsistent.
This fixed both: an explicit warning is printed if more than one
'compatible' signal is found and the "No matching signal for %s"
warning is only printed if the slot adheres to the full
"on_child_signal()" naming convention.
In the process I added comments and changed the code slightly to
make it more readable and explicitly hint at non-obvious behavior.
Change-Id: Icc8e3b9936188d2da8dfff9f0373c8e5c776eb14
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
QMetaObject::connectSlotsByName(QObject* o) creates a list of all
children to look for signals that match slots of o. This changeset
simply adds the object o itself to that list.
The motivation is to finally fix the long standing QtCreator bug
QTCREATORBUG-6494. Where executing 'Go to slot...' and choosing
'accepted()' for a simple QDialog named 'MyDialog' will add a
on_MyDialog_accepted() slot to MyDialog. That slot never gets
connected. More details may be found in the linked QTBUG-7595.
Task-number: QTBUG-7595
Task-number: QTCREATORBUG-6494
Change-Id: I35f52761791af697eabb569adb5faee6fae50638
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
The new QThread documentation now really discourage to reimplement
QThread. But in fact, there are many cases where it is perfectly fine.
And the example given is even a case where using worker object is wrong.
The examle even contains a leak since the thread will never stop and
will even leak.
This changes put back some sentences from before commit
d4ad9dbbf9.
The sample code has been re-writen. Notice how reimpementing run takes
less lines of code, less runtime overhead, no leaks, and also is more
complete than the previous example.
Change-Id: I6cb80826e917dd5ce442ccad2572ec692ccb25ab
Reviewed-by: Andre Somers <andre@familiesomers.nl>
Reviewed-by: Geir Vattekar <geir.vattekar@digia.com>
Reviewed-by: Debao Zhang <hello@debao.me>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
QRegExp and QRegularExpression are totally independent, therefore
using two different defines is the right thing to do.
Also, document the new define in qfeatures.{txt,h}.
Change-Id: Ice4826ea543f4b22f1cc27bf31ed6e043d0c43b0
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Thiago Macieira
Simon Hausmann
Liang Qi
Marc Mutz
Alexander Volkov
Olivier Goffart
Jani Heikkinen
Frederik Gladhorn
Volker Krause
Simon Hausmann
Nico Vertriest
Frederik Gladhorn
Gabriel de Dietrich
Daniel Teske
Matti Paaso
Jonathan Liu
Giuseppe D'Angelo
Erik Verbruggen
J-P Nurmi
Jani Heikkinen
Shawn Rutledge
Friedemann Kleint
Thomas McGuire
Eskil Abrahamsen Blomfeldt
Milian Wolff
Tomasz Olszak
Allan Sandfeld Jensen
Sérgio Martins
Sze Howe Koh
Jerome Pasion
Dario Freddi
Sergio Ahumada
Alan Alpert
David Faure
Axel Waggershauser