Fix memory leak in QQmlLocaleData

Call the correct destructor in QQmlLocaleData::destroy() to prevent memory
leak.

Change-Id: Id5b7657443521fbb46486bfbc5575d914c7c7b71
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
qv4: assign split edges to the correct loop group

edge splitting had a strange logic to assign the inserted statement to a loop,
which would go wrong for example for the statement just after the loop header.
I guess that was done to increase the likelihood that the goto removed from the
final instructions.
Given that we are talking about critical edges it is always possible to emit
them in a bad order, and I do not think that the old logic was really better
than simply always use the loop group of the target which is always correct.
It might be worthwhile to ensure that the block it is emitted just before the
target block, or improve the handling of empty gotos in the backend, but in this
patch we go for the simplest solution.
If one would notice worse code, either one of the provious improvements could be
done, or the old logic could be kept, changing just the if (container == 0) to
container = toBB->containingGroup();

Change-Id: I26a488e9e2cb2b692fa8187ee658fb4dd98bfa8b
Task-number: QTBUG-41766
Reviewed-by: Bernd Lamecker <bernd.lamecker@basyskom.com>
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Add a debug function to save contents of distance field cache

Just copy the one from QSGSharedDistanceFieldCache with some
compile fixes to the superclass so we store the default cache
as well.

Change-Id: I1fcc390601eea58f8b7729c9cead418e4c94714c
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
Mark cleanup function as unused if compiled with QT_QML_NO_DEBUGGER

The static cleanup function in qqmldebugserver.cpp is only used if the
debug server is actually created. If not we can mark it as unused to
avoid compile warnings. Enclosing it in #ifdef would be uglier.

Task-number: QTBUG-42394
Change-Id: Ieb7fa38ecb346e80ce815ced85eb3a168bad9d99
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Add attached Window::contentItem property

This is essential to the Qt Quick Controls for implementing floating
text selection handle popups.

Change-Id: Ibae65110a5db6d65dacd197fef3ad567d11342dc
Reviewed-by: Alan Alpert <aalpert@blackberry.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
qv4: assign split of edges to loop header to the correct group

(i.e assign split edges to the correct loop group, now for real)
The fix of 25b6fae1eb26645a30b3e7e254ce0b585757351c did try fix QTBUG-41766
and simplify the logic to assign the inserted statement to a loop group.
Unfortunately that was incorrect if the target basic block starts a group.
In that case if the source was already inside the group we should add it
to the target basic block, otherwise to the one containing the target
block (as before).
There was no visible regression caused by this.

Change-Id: Id50c42305fc5ac6aedaffa89d8f8dc3b5e976aa4
Task-number: QTBUG-41766
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Initialize member variable QSGAnimationDriver::m_lag.

Fixes purify warning:
[W] UMR: Uninitialized memory read in QSGAnimationDriver::advance(void) {1 occurrence}
QSGAnimationDriver::advance(void) [qtdeclarative\src\quick\scenegraph\qsgcontext.cpp:221]

Task-number: QTBUG-42213
Change-Id: Ide35830c60c5935644747da5cfbad1cdbd357232
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Stabilize tst_QQuickAccessible

There is no reason to wait for the window to activate

Task-number: QTBUG-42355
Change-Id: I5faaff5bddd367e6dd57a6a922011c87c847148e
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@digia.com>
Avoid stack overflow when destroying InternalClass

If there are deep object hierarchies connected to an InternalClass the
recursive nature of the destroy() method could lead to a stack
overflow. By changing the recursion into an iteration this is avoided.

Change-Id: I6667f268a366749c2dbc5f7147882388f192a9c5
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Inspector: Do not assert when trying to stream QModelIndex

Some QVariant's like QModelIndex cannot be streamed in a meaningful way:
QDataType::save() will return false for them. However, this leads to a
qWarning and Q_ASSERT in QVariant::operator<<().

To prevent this we're calling QDataType::save() manually beforehand. We
however throw away the result if it succeeds, and still call
QVariant::operator<<() to get the benefits of the QDataStream version
handling.

The alternatives would be to make QVariant::operator<<() not assert,
or blacklist all known types with problems manually. Both seem to
be difficult though ...

Change-Id: I4f5fe6d5a3a076c24fbc73371a4d12d720de53da
Task-number: QTBUG-42438
Reviewed-by: Ulf Hermann <ulf.hermann@theqtcompany.com>
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Debug: Make it possible to save distance field cache on Windows

This makes compilation possible of the saveTexture() function which is
used to store the distance field glyph cache on disk when debugging.
It also changes the warnings output from here to have no prefix, since
this is anyway always available as the context in Qt 5.

Change-Id: If3b64f0921a59c485b5321a5465369708e764afc
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
QQuickWindow autotest: verify that onClosing can block close()

Task-number: QTBUG-40093
Change-Id: I800259f45d95736172d500494e68042180178e93
Reviewed-by: Caroline Chao <caroline.chao@theqtcompany.com>
QQuickWindow: let 'clearFocusObject' clear all the way to the root

The previous code was wrong, as it cleared focus from the active
focus item directly. By doing so we would only clear focus inside
the focus scope that surrounded the item, but leave the scope itself
with active focus (which would then be the focus object). The intended
result is rather to end up with the root as focus object.

Change-Id: I455a8939f8bc6c48765119b995aa781aee6d1e70
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
qmlscene: Simplify context sharing logic.

We can use the new application attribute for this now.

Change-Id: Ia0a6d13d36316ec9becfb5d3251b8461ac73a2d0
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
Merge remote-tracking branch 'origin/5.4' into 5.4.0

Change-Id: I2c69deb3bc69da1a06485aaf72fb298b08756734
Merge "Merge remote-tracking branch 'origin/5.4' into 5.4.0" into refs/staging/5.4.0
Revert "Fix pixel bleed in BorderImage"

This reverts commit a9238292145e05d36be7c35bdd50829c6400a3de.

It also reverts follow-up commits:
  87755d0437413cfb875c50e3dfa53030601567c9
  c2c710e5a8d66fa696276aa69c2e3b00436eefe5
  cc8a76ce8ea76afe912902067e95ca2abf9e482f

The new implementation is much too slow because it will cause each
section of the border image to be uploaded to the atlas, and it will
not be shared between different border images nor between different
sizes of the border. The performance regression is so significant
that it's not worth it for the original bug fix.

We leave the tests around, so some of those might regress due to
this.

Change-Id: I3f56f4564255ebb77e6487881a6a11b19ad0234e
Task-number: QTBUG-42288
Task-number: QTBUG-35838
Reviewed-by: Michael Brasser <michael.brasser@live.com>